1. A detection device for detecting the size of a longitudinal beam, wherein the longitudinal beam comprises a web and wing plates respectively connected with two opposite sides of the web, and the detection device is characterized by comprising:

the supporting rollers are configured to support the longitudinal beam and can drive the longitudinal beam to move along the longitudinal extension direction of the longitudinal beam;

the first detection assembly is used for detecting the size of the web plate and is arranged opposite to the web plate;

a second sensing assembly for sensing the size of the wing, the second sensing assembly being disposed opposite the wing and configured to be movable toward and away from the wing.

2. The sensing device of claim 1, wherein the support roller supports the web, the first sensing assembly includes a first sensor group located on a side of the web facing away from the support roller, and the second sensing assembly includes a second sensor group and a third sensor group located on sides of the two wings facing away from the support roller, respectively.

3. The sensing device of claim 2, wherein the stringer includes an axis of symmetry between two of the strakes, the two strakes being symmetrically disposed about the axis of symmetry, the first sensor set including first and second web sensors on opposite sides of the axis of symmetry, respectively.

4. The sensing device of claim 3, wherein the second and third sensor sets each comprise first and second sail sensors arranged linearly along a lengthwise extension of the sail.

5. The sensing device of claim 4, wherein the second sensor set and the third sensor set each further comprise a signal sensor disposed opposite the first sail sensor and/or the second sail sensor with respect to the sail.

6. The detecting device according to claim 5, further comprising two first moving frames, wherein the two first moving frames are respectively located at two sides of the symmetry axis, the first web sensor and the second web sensor are respectively disposed on the two first moving frames, and the first wing sensor is disposed on the first moving frames, and the two first moving frames are configured to be relatively close to or relatively far away from each other.

7. The detecting device for detecting the rotation of a motor rotor according to claim 6, further comprising first driving devices respectively connected with the two first moving frames for driving the first moving frames to move.

8. The detection device according to claim 6, further comprising two second movable frames, two of the second movable frames being respectively located at both sides of the symmetry axis, the second plate sensor and the signal sensor being disposed on the second movable frames, and the two second movable frames being configured to be relatively close to or relatively far from each other in synchronization with the first movable frame.

9. The detection apparatus of claim 8, wherein both of the second moving brackets are further configured to be movable in a direction toward or away from the web.

10. The detecting device for detecting the rotation of the motor rotor according to the claim 8, further comprising second driving devices respectively connected with the two second moving frames for driving the second moving frames to move.

Background

The frame of the automobile is used as a backbone element of an automobile chassis for supporting and mounting an automobile engine and other parts, and the longitudinal beam is an important constituent part of the automobile frame, is a foundation for assembling key bearing parts and other parts of the automobile and is also an important factor for restricting the quality and the capacity of a frame assembly.

Because the formed frame longitudinal beam has the defects of folds, warps, arches, rebounds and the like, and the straightness and the flatness of the ventral surface and the airfoil surface of the longitudinal beam are affected, the formed longitudinal beam needs to be detected, and according to the detection result, a subsequent leveling procedure is added to the longitudinal beam which does not meet the requirements of the straightness and the flatness, so that the quality of the longitudinal beam meets the requirements. The conventional frame longitudinal beam detection device can realize the detection of the relevant size of a U-shaped longitudinal beam in the length direction, such as the straightness in the length direction, the planeness of the ventral surface of the longitudinal beam and the like, and has significance for guiding the promotion of a field detection means, but the device cannot realize the automatic detection of the key size of the cross section part of the longitudinal beam, such as the groove width, the airfoil height, the airfoil angle and the ventral surface straightness.

Disclosure of Invention

Therefore, it is necessary to provide a detection device for solving the problem that the prior art cannot realize automatic detection of key dimensions such as groove width, airfoil height, airfoil angle, web straightness and the like of a cross section part of a longitudinal beam.

The embodiment of the application provides a detection device for detect the size of longeron, the longeron includes the web and the pterygoid lamina of being connected with the relative both sides of web respectively, includes: the supporting roller is configured to be capable of supporting the longitudinal beam and driving the longitudinal beam to move along the longitudinal extension direction of the longitudinal beam; the first detection assembly is used for detecting the size of the web plate and is arranged opposite to the web plate; and a second detection component for detecting the size of the wing plate, wherein the second detection component is arranged opposite to the wing plate and can move towards or away from the wing plate.

In one embodiment, the support roll supports a web, the first sensing assembly comprises a first sensor group located on a side of the web facing away from the support roll, and the second sensing assembly comprises a second sensor group and a third sensor group located on sides of the two wings facing away from the support roll.

In one embodiment, the stringer comprises an axis of symmetry between two strakes, the two strakes being symmetrically arranged about the axis of symmetry, the first sensor set comprising a first web sensor and a second web sensor located on either side of the axis of symmetry, respectively.

In one embodiment, the second and third sensor sets each include first and second flap sensors arranged linearly along a lengthwise extension of the flap.

In one embodiment, the second sensor set and the third sensor set each further comprise a signal sensor disposed opposite the first sail sensor and/or the second sail sensor with respect to the sail.

In one embodiment, the device further comprises two first moving frames, the two first moving frames are respectively located at two sides of the symmetry axis, the first web sensor and the second web sensor are respectively arranged on the two first moving frames, the first wing plate sensor is arranged on the first moving frames, and the two first moving frames are configured to be relatively close to or relatively far away from each other.

In one embodiment, the device further comprises a first driving device, and the first driving device is respectively connected with the two first movable frames to drive the first movable frames to move.

In one embodiment, the device further comprises two second moving frames, the two second moving frames are respectively located at two sides of the symmetry axis, the second wing sensor and the signal sensor are both arranged on the second moving frames, and the two second moving frames are configured to be relatively close to or relatively far away with the first moving frame synchronously.

In one embodiment, the two second moving brackets are further configured to be movable in a direction toward or away from the web.

In one embodiment, the device further comprises second driving devices, and the second driving devices are respectively connected with the two second moving frames to drive the second moving frames to move.

The utility model provides a detection device, including the backing roll, first detection device and second detection device, the backing roll is configured to can support the longeron, when the size of needs detection longeron, place the longeron on the backing roll, the longeron moves along its lengthwise extending direction under its drive, first detection component sets up with the web of longeron relatively, the ventral surface straightness accuracy of the web of longeron can be detected to first detection component, the pterygoid lamina of second detection component and longeron sets up relatively, the second detection component can detect the groove width of the pterygoid lamina of longeron, wing height, the relevant size of wing angle, the second detection component is configured to can move to the direction of being close to or keeping away from the pterygoid lamina simultaneously, make the detection device of this application not take place the interference with the longeron in the testing process to this can's the realization in the prior art partially groove width of cross section, wing height, can's not realize in the prior art, The problem of automatic detection of key dimensions such as airfoil angle, ventral surface straightness accuracy.

Drawings

Fig. 1 is a schematic structural diagram of a detection apparatus provided in an embodiment of the present application.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

The conventional vehicle frame longitudinal beam detection device can realize the detection of the relevant size of a U-shaped longitudinal beam in the length direction, such as the straightness in the length direction and the planeness of the ventral surface of the longitudinal beam, and has significance for guiding the promotion of a field detection means, but the device cannot realize the automatic detection of the key size of the cross section part of the longitudinal beam.

Fig. 1 is a schematic structural diagram of a detection apparatus provided in an embodiment of the present application.

As shown in fig. 1, an embodiment of the present application provides a detection apparatus for detecting a size of a longitudinal beam, where the longitudinal beam 800 includes a web 810 and wing plates 820 respectively connected to two opposite sides of the web 810, and includes a supporting roller 100, a first detection assembly 200, and a second detection assembly 300, where the supporting roller 100 is capable of supporting the longitudinal beam 800, when the size of the longitudinal beam 800 needs to be detected, the longitudinal beam 800 is placed on the supporting roller 100, a roller table is disposed on the supporting roller 100, the roller table is a transportation device for transporting the longitudinal beam by using a cylindrical roller to rotate, and mainly includes a plurality of rollers, a motor, and the like, when the longitudinal beam 800 is placed on the supporting roller 100, the rollers are driven by the motor to rotate, so as to drive the longitudinal beam 800 to move along a longitudinal extension direction thereof, the first detection assembly 200 is disposed opposite to the web 810 of the longitudinal beam 800, the first detection assembly 200 is capable of, the second detection assembly 300 is arranged opposite to the wing plate 820 of the longitudinal beam 800, the second detection assembly 300 can detect the relevant dimensions of the groove width, the wing surface height and the wing surface angle of the wing plate 820 of the longitudinal beam 800, and meanwhile, the second detection assembly 300 can move towards the direction close to or far away from the wing plate 820 of the longitudinal beam 800, so that the detection device in the embodiment of the application does not interfere with the longitudinal beam 800 in the detection process, and the problem that the automatic detection of key dimensions such as the groove width, the wing surface height, the wing surface angle and the belly surface straightness of the cross section part of the longitudinal beam 800 cannot be realized in the prior art is solved.

The supporting roller 100 supports a web 810 of the longitudinal beam 800, the first detection assembly 200 comprises a first sensor group 210 located on the side, away from the supporting roller 100, of the web 810 of the longitudinal beam 800, the first detection assembly 200 can detect the straightness of the ventral surface of the longitudinal beam 800, the second detection assembly 300 comprises a second sensor group 220 and a third sensor group 230 located on the sides, away from the supporting roller 100, of wing plates 820 of two longitudinal beams 800 respectively, the second sensor group 220 can measure the groove width dimension of the bending part of the wing plate 820 of the longitudinal beam 800, the third sensor group 230 can measure the groove width dimension of the end part of the wing plate 820 of the longitudinal beam 800, and further, the wing height and the wing angle related dimension are obtained through calculation according to data collected by the second sensor group 220 and the third sensor group 230.

In this embodiment, the longitudinal beam 800 includes a symmetry axis between two wing plates 820, the two wing plates 820 are symmetrically disposed about the symmetry axis, the first sensor group 210 includes a first web sensor 211 and a second web sensor 212 respectively disposed at two sides of the symmetry axis, and meanwhile, in order to improve the measurement accuracy of the straightness of the ventral surface of the longitudinal beam 800, in this embodiment, a third web sensor 213 is further disposed, the third web sensor 213 is disposed between the first web sensor 211 and the second web sensor 212, the first web sensor 211, the second web sensor 212, and the third web sensor 213 are all laser distance measuring sensors, the laser distance measuring sensors utilize a laser technology to measure sensors, which are composed of a laser, a laser detector, and a measuring circuit, the laser sensor is a novel measuring instrument, and has the advantages of being capable of realizing contactless remote measurement, fast in speed, and capable of measuring the distance of a long distance, High precision, wide range, strong anti-light and electric interference ability, etc. In other embodiments, in order to further improve the measurement accuracy of the straightness of the ventral surface of the longitudinal beam 800, the number of the first sensor groups 210 may be multiple.

The second sensor group 220 and the third sensor group 230 each include a first wing sensor 221 and a second wing sensor 222 linearly arranged along a lengthwise extending direction of the wing 820 of the longitudinal beam 800, specifically, the second sensor group 220 and the third sensor group 230 are symmetrically arranged with respect to a cross section perpendicular to a cross section of the web 810 of the longitudinal beam 800, the first wing sensor 221 can measure a slot width dimension of a bending portion of the wing 820 of the longitudinal beam 800, the second wing sensor 222 can measure a slot width dimension of an end portion of the wing 820 of the longitudinal beam 800, and meanwhile, a wing height and a wing angle related dimension are calculated according to data collected by the first wing sensor 221 and the second wing sensor 222, in this embodiment, the first wing sensor 221 and the second wing sensor 222 are also laser distance measuring sensors.

In order to prevent the detection device in the embodiment of the present application from interfering with the longitudinal beam 800 during the detection process, the second sensor group 220 and the third sensor group 230 each further include a signal sensor 223 disposed opposite to the first wing sensor 221 and the second wing sensor 222 with respect to the wing 820 of the longitudinal beam 800, and the signal sensor 223 is configured to detect an end signal of the wing 820 of the longitudinal beam 800, so that the detection device in the embodiment of the present application can adjust the position of the second wing sensor 222 according to the end signal of the wing 820 of the longitudinal beam 800, and the second wing sensor 222 does not interfere with the longitudinal beam 800 during the measurement process.

In this embodiment, there are two first movable frames 400, two first movable frames 400 are respectively located at two sides of the symmetry axis between the two wing plates 820 of the longitudinal beam 800, the first web sensor 211 and the second web sensor 212 are respectively located on the two first movable frames 400, the first web sensor 211 and the second web sensor 212 are disposed in the horizontal direction of the two first moving frames 400, the web 810 of the longitudinal beam 800 is located below the first web sensor 211 and the second web sensor 212, so that the straightness of the ventral surface of the longitudinal beam 800 can be detected, wherein, a fixed frame 410 is further arranged between the two first moving frames 400, the third web sensor 213 is arranged on the fixed frame 410, the third web sensor 213 is arranged between the first web sensor 211 and the second web sensor 212, and the third web sensor 213 is on the same horizontal line as the first web sensor 211 and the second web sensor 212. The first wing plate sensor 221 is also disposed on the first movable frame 400, and the first wing plate sensor 221 is disposed in the vertical direction of the first movable frame 400, so that the first wing plate sensor 221 is arranged along the lengthwise extending direction of the wing plates 820 of the longitudinal beam 800, and the groove width dimension of the bending portion of the wing plates 820 of the longitudinal beam 800 can be measured. Meanwhile, in order to prevent the detection device in the embodiment of the present application from interfering with the longitudinal beam 800 during the detection process, the two first movable frames 400 can be relatively close to or relatively far away from each other, when the width of the gap between the two first movable frames 400 is smaller than the width L1 of the longitudinal beam 800, the two first movable frames 400 are relatively far away from each other, so that the width of the gap between the two first movable frames 400 is widened, thereby accommodating the longitudinal beam 800, and when the width of the gap between the two first movable frames 400 is larger than the width L1 of the longitudinal beam 800 to affect the measurement, the two first movable frames 400 are relatively close to each other, so that the width of the gap between the two first movable frames is narrowed, thereby achieving the purpose of normal measurement.

This application embodiment still is equipped with the second and removes frame 500, the second removes frame 500 has two, two second remove frame 500 are located the symmetry axis both sides between two pterygoid laminas 820 of longeron 800 respectively, second pterygoid lamina sensor 222 and signal sensor 223 all set up on the second removes frame 500, second pterygoid lamina sensor 222 sets up in the vertical direction that the second removed frame 500, arrange second pterygoid lamina sensor 222 along the lengthwise extending direction of pterygoid lamina 820 of longeron 800 with this, and then can measure the groove width size of pterygoid lamina 820 tip of longeron 800. The signal sensor 223 is disposed in the horizontal direction of the second movable frame 500, and the signal sensor 223 and the second wing sensor 222 are on the same horizontal line, the signal sensor 223 is used for detecting the end signal of the wing 820 of the longitudinal beam 800, and meanwhile, in order to keep the first detection assembly 200 and the second detection assembly 300 in synchronous measurement, the two second movable frames 500 can be synchronously relatively close to or relatively far away from each other along with the first movable frame 400.

In order to prevent the second movable bracket 500 from interfering with the longitudinal beam 800 and to enable the second wing sensor 222 to normally detect the slot width dimension of the end of the wing 820 of the longitudinal beam 800, the two second movable brackets 500 can move in the direction approaching to or separating from the web 810 of the longitudinal beam 800, specifically, the signal sensor 223 can detect the end signal of the wing 820 of the longitudinal beam 800, so that the position of the second movable bracket 500 can be adjusted according to the end signal of the wing 820 of the longitudinal beam 800, the second movable bracket 500 does not interfere with the longitudinal beam 800 during the measurement, and the second wing sensor 222 normally detects the slot width dimension of the end of the wing 820 of the longitudinal beam 800, specifically, when the height H1 of the longitudinal beam 800 is increased, the end of the wing 820 of the longitudinal beam 800 is positioned below the signal sensor 223, the signal sensor 223 cannot detect the end of the wing 820 of the longitudinal beam 800, and at this time, the second movable bracket 500 moves downward, the signal sensor 223 moves downward along with it, and when the signal sensor 223 can detect the end signal of the wing 820 of the side member 800, the second moving frame 500 stops moving, so that the second wing sensor 222 normally detects the slot width dimension of the end of the wing 820 of the side member 800, whereas when the height H1 of the side member 800 is reduced, the end of the wing 820 of the side member 800 is above the signal sensor 223, and the signal sensor 223 similarly cannot detect the end of the wing 820 of the side member 800, at this time, the second moving frame 500 moves upward, and the signal sensor 223 moves upward along with it, and when the signal sensor 223 can detect the end signal of the wing 820 of the side member 800, the second moving frame 500 stops moving, so that the second wing sensor 222 normally detects the slot width dimension of the end of the wing 820 of the side member 800.

The first moving frame 400 is connected to a first driving device 600, and the first driving device 600 drives the two first moving frames 400 to be relatively close to or relatively far away from each other. The first driving device 600 includes a first lead screw 610 and a first motor 620, the first lead screw 610 is fixed on the bottom frame 900, the first lead screw 610 is connected to the first movable frame 400, the first motor 620 is connected to the first lead screw 610, the first motor 620 drives the first lead screw 610 to rotate, so that the first lead screw 610 moves back and forth, and further the two first movable frames 400 are controlled to be relatively close to or relatively far away from each other, wherein the bottom frame 900 is fixed on the ground through bolts, so that when the first motor 620 drives the first movable frame 400 to move, the first detection assembly 200 and the second detection assembly 300 are stable and reliable, and the detection result is stable. Specifically, a lead screw connecting block is arranged on the bottom frame 900, the first lead screw 610 is fixed on the bottom frame 900, the lead screw connecting block is connected with the first lead screw 610 and the first movable frame 400, meanwhile, a synchronous connecting structure is arranged on the first movable frame 400 and the second movable frame 500 in the horizontal direction, the first motor 620 drives the first lead screw 610 to rotate, so that the first lead screw 610 moves back and forth, and the first movable frame 400 is connected with the first lead screw 610 through the lead screw connecting block, so that the first movable frame 400 also moves back and forth along with the first lead screw 610, the first movable frame 400 and the second movable frame 500 are provided with the synchronous connecting structure in the horizontal direction, and further the second movable frame 500 can be synchronously and relatively close to or relatively far away from along with the first movable frame 400.

The second moving frame 500 is connected to a second driving device 700, and the second driving device 700 drives two second moving frames 500 to be close to or far from the end of the longitudinal beam 800. The second driving device 700 includes a second lead screw 710 and a second motor 720, the second lead screw 710 is fixed on the base frame 900, the second lead screw 710 is connected to the second moving frame 500, the second motor 620 is connected to the second lead screw 710, the second motor 720 drives the second lead screw 710 to rotate, so that the second lead screw 710 moves up and down, and further controls the two second moving frames 500 to be close to or far from the end of the longitudinal beam 800, when the height H1 of the longitudinal beam 800 is increased, the two second moving frames 500 move to the end far from the longitudinal beam 800, and when the height H1 of the longitudinal beam 800 is decreased, the two second moving frames 500 move to the end close to the longitudinal beam 800. Specifically, a lead screw connecting block is arranged on the bottom frame 900, the second lead screw 710 is fixed on the bottom frame 900, the lead screw connecting block is connected with the second lead screw 710 and the second moving frame 500, the second motor 720 drives the second lead screw 710 to rotate, so that the second lead screw 710 moves up and down, and the second moving frame 500 is connected with the second lead screw 710 through the lead screw connecting block, so that the second moving frame 500 also moves up and down along with the second lead screw 710, so that the second moving frame 500 does not interfere with the longitudinal beam 800 in the measurement process, and the second wing plate sensor 222 normally detects the groove width dimension of the end part of the wing plate 820 of the longitudinal beam 800.

The detection device in the embodiment of the application is used for detecting the size of a longitudinal beam, and comprises a supporting roller 100, a first detection assembly 200 and a second detection assembly 300, wherein the supporting roller 100 can support the longitudinal beam 800, the first detection assembly 200 can detect the ventral surface straightness of a web 810 of the longitudinal beam 800, and the second detection assembly 300 can detect the relevant sizes of the groove width, the airfoil height and the airfoil angle of a wing plate 820 of the longitudinal beam 800, so that the problem that the automatic detection of key sizes such as the groove width, the airfoil height, the airfoil angle and the ventral surface straightness of the cross section part of the longitudinal beam 800 cannot be realized in the prior art is solved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.