1. A welding groove measuring instrument is characterized by comprising a ruler body, and a vertical vernier caliper and a horizontal vernier caliper which are perpendicular to each other in extension direction, wherein the ruler body is provided with a first capacitive grating sensing component and a second capacitive grating sensing component;

the first capacitive grating sensing assembly and the second capacitive grating sensing assembly are both provided with a display screen and a setting key for setting, the first capacitive grating sensing assembly or the second capacitive grating sensing assembly is provided with a slope calculating unit, the slope calculating unit is electrically connected with the display screen, the lower end of the vertical vernier caliper is provided with a temperature sensor, and the temperature sensor is electrically connected with the display screen of the first capacitive grating sensing assembly;

the lower surface of the ruler body is provided with a first protruding part, the lower surface of the horizontal vernier caliper is provided with a second protruding part corresponding to the first protruding part, and when the first protruding part is in contact with the second protruding part, the reading of the horizontal vernier caliper returns to zero;

the first capacitive grating sensing assembly is connected with the ruler body and can slide in the horizontal direction, and the second capacitive grating sensing assembly is fixedly connected with the ruler body.

2. The welding groove measuring instrument according to claim 1, wherein the first capacitive-gate sensing assembly is further provided with a first knob, and the first knob is used for locking the vertical vernier caliper with the caliper body.

3. The welding groove measuring instrument according to claim 1, wherein the second capacitive-gate sensing assembly is further provided with a second knob, and the second knob is used for locking the vertical vernier caliper with the caliper body.

4. The welding groove measuring instrument according to claim 1, wherein the ruler body is provided with a first mounting groove and a second mounting groove extending in a horizontal direction, the first grid sensing assembly is slidably mounted in the first mounting groove, the vertical vernier caliper is inserted into the first grid sensing assembly, the second grid sensing assembly is mounted in the ruler body and located on the second mounting groove, and the horizontal vernier caliper is slidably mounted in the second mounting groove.

5. A welding groove measuring method based on the welding groove measuring instrument according to any one of claims 1 to 4, characterized in that the measuring method includes a method of measuring the width, depth, temperature and gradient of the welding groove.

6. Use according to claim 5, wherein the method for measuring the width of the welding groove comprises the following steps:

firstly, placing the ruler body above a welding groove, connecting the first lug boss with the second lug boss, and zeroing a numerical value of a display screen through a set key;

attaching one side of the first protruding part, which is far away from the second protruding part, to one side of the welding groove, and sliding the horizontal vernier caliper to attach one side of the second protruding part, which is far away from the first protruding part, to the other side of the welding groove;

and reading the sliding distance of the horizontal vernier caliper measured by the second capacitive grating sensing component on the display screen, wherein the value is the width value of the welding groove.

7. Use according to claim 5, wherein the method for measuring the depth and internal temperature of the welding groove comprises the following steps:

firstly, placing the ruler body above a welding groove, and enabling the numerical values of the vertical vernier caliper and the display screen to return to zero;

secondly, inserting a vertical vernier caliper into the welding groove to be connected with the welding bead, and measuring the temperature inside the welding groove through a temperature sensor;

reading the sliding distance of the vertical vernier caliper measured by the first capacitive grating sensing assembly on the display screen, wherein the value is the value of the depth of the welding groove, and reading the temperature inside the welding groove measured by the temperature sensor through the display screen.

8. Use according to claim 5, wherein the method of welding the slope of the groove and the outside temperature comprises the steps of:

firstly, placing the ruler body above a welding groove, and arranging a first position and a second position which are used as measuring reference points outside the welding groove;

measuring the difference between the first position and the second horizontal distance by the horizontal vernier caliper;

sliding the vertical vernier caliper to a first position through the sliding block, measuring the depth of the first position by the vertical vernier caliper, measuring the temperature of the first position by the temperature sensor, and reading the temperature of the outer side of the welding groove through a display screen;

sliding the vertical vernier caliper to a second position, measuring the depth of the second position by the vertical vernier caliper, measuring the temperature of the second position by the temperature sensor, and reading the temperature of the outer side of the welding groove through a display screen;

and fifthly, obtaining the bevel angle according to geometric operation through the slope calculation unit and displaying the angle through the display screen.

Background

The welding process is one of indispensable manufacturing links of major engineering equipment, and in order to skillfully utilize welding deformation to obtain a welding joint with a regular shape and small welding residual deformation, multilayer and multi-pass surfacing welding is generally adopted to weld a target object. In order to realize the optimal setting of the technological parameters in the welding process, the accurate measurement of the characteristic sizes of the welding groove and the welding seam is very important, and certain difficulty is caused to the subsequent welding when the size and the temperature of the welding groove do not meet the requirements. The prior art can not simultaneously meet the requirement of measuring multiple parameters such as groove width, weld depth, weld temperature and the like, so that the condition of weld beads is difficult to measure in time during welding, and certain difficulty is increased for welding of multilayer and multi-channel surfacing.

Disclosure of Invention

Based on the above, the invention provides a welding groove measuring instrument capable of measuring the width of a welding groove, the depth of the welding groove and the temperature of the welding groove.

The technical scheme of the invention is as follows: a welding groove measuring instrument comprises a ruler body, and a vertical vernier caliper and a horizontal vernier caliper which are perpendicular to each other in extension direction, wherein the ruler body is provided with a first capacitive grating sensing assembly and a second capacitive grating sensing assembly;

the first capacitive grating sensing assembly and the second capacitive grating sensing assembly are both provided with a display screen and a setting key for setting, the first capacitive grating sensing assembly or the second capacitive grating sensing assembly is provided with a slope calculating unit, the slope calculating unit is electrically connected with the display screen, the lower end of the vertical vernier caliper is provided with a temperature sensor, and the temperature sensor is electrically connected with the display screen of the first capacitive grating sensing assembly;

the lower surface of the ruler body is provided with a first protruding part, the lower surface of the horizontal vernier caliper is provided with a second protruding part corresponding to the first protruding part, and when the first protruding part is in contact with the second protruding part, the reading of the horizontal vernier caliper returns to zero;

the first capacitive grating sensing assembly is connected with the ruler body and can slide in the horizontal direction, and the second capacitive grating sensing assembly is fixedly connected with the ruler body.

Optionally, the first capacitive grating sensing assembly is further provided with a first knob, and the first knob is used for locking the vertical vernier caliper with the caliper body.

Optionally, the second capacitive-gate sensing assembly is further provided with a second knob, and the second knob is used for locking the vertical vernier caliper with the caliper body.

Optionally, the ruler body is provided with a first mounting groove and a second mounting groove extending in the horizontal direction, the first grid sensing assembly is slidably mounted in the first mounting groove, the vertical vernier caliper is inserted in the first grid sensing assembly, the second grid sensing assembly is mounted in the ruler body and located on the second mounting groove, and the horizontal vernier caliper is slidably mounted in the second mounting groove.

The welding groove measuring method of the welding groove measuring instrument is characterized by comprising the step of measuring the width, the depth, the temperature and the gradient of the welding groove.

Optionally, the method for measuring the width of the welding groove includes the following steps:

firstly, placing the ruler body above a welding groove, connecting the first lug boss with the second lug boss, and zeroing a numerical value of a display screen through a set key;

attaching one side of the first protruding part, which is far away from the second protruding part, to one side of the welding groove, and sliding the horizontal vernier caliper to attach one side of the second protruding part, which is far away from the first protruding part, to the other side of the welding groove;

and reading the sliding distance of the horizontal vernier caliper measured by the second capacitive grating sensing component on the display screen, wherein the value is the width value of the welding groove.

Optionally, the method for measuring the depth and the internal temperature of the welding groove includes the following steps:

firstly, placing the ruler body above a welding groove, and enabling the numerical values of the vertical vernier caliper and the display screen to return to zero;

secondly, inserting a vertical vernier caliper into the welding groove to be connected with the welding bead, and measuring the temperature inside the welding groove through a temperature sensor;

reading the sliding distance of the vertical vernier caliper measured by the first capacitive grating sensing assembly on the display screen, wherein the value is the value of the depth of the welding groove, and reading the temperature inside the welding groove measured by the temperature sensor through the display screen.

Optionally, the method for welding the slope and the outside temperature of the groove comprises the following steps:

firstly, placing the ruler body above a welding groove, and arranging a first position and a second position which are used as measuring reference points outside the welding groove;

measuring the difference between the first position and the second horizontal distance by the horizontal vernier caliper;

sliding the vertical vernier caliper to a first position through the sliding block, measuring the depth of the first position by the vertical vernier caliper, measuring the temperature of the first position by the temperature sensor, and reading the temperature of the outer side of the welding groove through a display screen;

sliding the vertical vernier caliper to a second position, measuring the depth of the second position by the vertical vernier caliper, measuring the temperature of the second position by the temperature sensor, and reading the temperature of the outer side of the welding groove through a display screen;

and fifthly, obtaining the bevel angle according to geometric operation through the slope calculation unit and displaying the angle through the display screen.

Compared with the prior art, the embodiment of the invention has the following beneficial effects:

when the welding groove measuring instrument is used, the vertical vernier caliper is inserted into a welding groove, the depth of the welding groove can be read out through the vertical vernier caliper, and after the temperature sensor measures the temperature data of the welding groove, the temperature value of the welding groove can be displayed through the display screen of the first capacitive grating sensing assembly; after the first bulge part is connected with one side edge of the welding groove, the second bulge part is connected with the other side edge of the welding groove by sliding a horizontal vernier caliper, and the width of the welding groove can be read by the horizontal vernier caliper; the gradient of the welding groove can be calculated according to the detected data through the gradient calculating unit.

Drawings

Fig. 1 is a schematic structural diagram of a welding groove measuring instrument according to an embodiment of the present invention.

Fig. 2 is a bottom view of the welding groove measuring instrument according to the embodiment of the present invention.

FIG. 3 is a front view of a first capacitive-gate sensing assembly and vertical vernier caliper combination according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a welding groove measuring instrument according to an embodiment of the present invention for measuring a width.

Fig. 5 is a schematic structural diagram of a depth measurement of the welding groove measuring instrument according to the embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a welding groove measuring instrument for measuring a slope according to an embodiment of the present invention.

Description of reference numerals:

100. a welding groove measuring instrument comprises a measuring instrument body, 11, a first capacitive grating sensor, 111, a display screen, 112, a setting key, 113, a gradient calculating unit, 114, a first knob, 115, a sliding block, 12, a second capacitive grating sensing assembly, 121, a second knob, 13, a first bulge, 14, a first installation groove, 15, a second installation groove, 2, a vertical vernier caliper, 21, a temperature sensor, 3, a horizontal vernier caliper, 31, a second bulge, L1, the width of a welding groove, L2, the difference of the horizontal distance between a first position and a second position, A, the first position, B, the second position, H1, the depth of the welding groove, H2 and the vertical vernier caliper.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In addition, the terms "first", "second", and the like are employed in the present invention to describe various information, but the information should not be limited to these terms, which are used only to distinguish the same type of information from each other. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.

Referring to fig. 1, 2 and 3, the embodiment provides a welding groove measuring instrument 100, which includes a ruler body 1, a vertical vernier caliper 2 and a horizontal vernier caliper 3, wherein the vertical vernier caliper 2 and the horizontal vernier caliper 3 are perpendicular to each other in the extending direction, the ruler body 1 is provided with a first capacitive grating sensing component 11 and a second capacitive grating sensing component 12, the vertical vernier caliper 2 is slidably disposed on the ruler body 1 along the vertical direction and corresponds to the first capacitive grating sensing component 11, and the horizontal vernier caliper 3 is slidably disposed on the ruler body 1 along the horizontal direction and corresponds to the second capacitive grating sensing component 12. The first capacitive grid sensing assembly 11 and the second capacitive grid sensing assembly 12 are both provided with a display screen 111 and a setting key 112 for setting, the first capacitive grid sensing assembly 11 is provided with a slope calculating unit 113, the slope calculating unit 113 is electrically connected with the display screen 111, the lower end of the vertical vernier caliper 2 is provided with a temperature sensor 2121, and the temperature sensor 21 is electrically connected with the display screen of the first capacitive grid sensing assembly 11. The lower surface of the ruler body 1 is provided with a first protruding portion 13, the lower surface of the horizontal vernier caliper 3 is provided with a second protruding portion 31 corresponding to the first protruding portion 13, and when the first protruding portion 13 contacts with the second protruding portion 31, the reading of the horizontal vernier caliper 3 returns to zero. The first capacitive grating sensing assembly 11 is connected with the ruler body 1 and can slide in the horizontal direction, and the second capacitive grating sensing assembly 12 is fixedly connected with the ruler body 1. In other embodiments, the slope calculating unit 113 may also be disposed on the second capacitive sensing element 12. When the temperature sensor is used, the vertical vernier caliper 2 is inserted into a welding groove, the depth of the welding groove can be read out through the vertical vernier caliper 2, and after the temperature sensor 21 measures the temperature of the welding groove, the temperature of the welding groove can be read out through the display screen of the first capacitive grating sensing assembly 11. After the first protruding portion 12 is connected to one side of the welding groove, the second protruding portion 31 is connected to the other side of the welding groove by sliding the horizontal vernier caliper 3, and the width of the welding groove can be read by the horizontal vernier caliper 3. The gradient of the welding groove can be calculated by the gradient calculating unit according to the detected data.

Preferably, as shown in fig. 3, in this embodiment, the first capacitive-gate sensing assembly 11 is further provided with a first knob 114, and the first knob 114 is used for locking the vertical vernier caliper 2 and the caliper body 1, so that it can be avoided that in the reading process, the welding groove measuring instrument shakes to cause inaccuracy of data displayed on the display screen 111, and repeated measurement is required to increase the working difficulty.

Preferably, as shown in fig. 1, in this embodiment, the second capacitive-gate sensing assembly 12 is further provided with a second knob 121, and the second knob 121 is used for locking the vertical vernier caliper 2 and the caliper body 1, so that it can be avoided that in the reading process, the welding groove measuring instrument shakes to cause inaccuracy of data displayed on the display screen 111, and repeated measurement is required to increase the working difficulty.

Preferably, as shown in fig. 1, in the present embodiment, the ruler body 1 is provided with a first mounting groove 14 and a second mounting groove 15 extending along the horizontal direction, the first grid sensing element 11 is slidably mounted in the first mounting groove 14, the vertical vernier caliper 2 is inserted in the first grid sensing element 11, the second grid sensing element 12 is mounted in the ruler body 1 and located in the second mounting groove 15, and the horizontal vernier caliper 3 is slidably mounted in the second mounting groove 15. Separately set up two regions at chi body 1 with vertical slide caliper 2 and horizontal slide caliper 3, take place to hinder each other when can avoiding using and cause the influence availability factor.

The invention also discloses a welding groove measuring method based on the welding groove measuring instrument, and the measuring method comprises a method for measuring the width, the depth, the temperature and the gradient of the welding groove.

Preferably, as shown in fig. 4, in this embodiment, the method for measuring the width of the welding groove includes the following steps:

firstly, the ruler body 1 is placed above the welding groove, the first protruding part 13 is connected with the second protruding part 31, and the numerical value of the ruler body and the numerical value of the display screen 111 are reset to zero through the setting key 112.

And secondly, attaching one side of the first protruding part 13, which is far away from the second protruding part 31, to one side of the welding groove, and sliding the horizontal vernier caliper 3 to attach one side of the second protruding part 31, which is far away from the first protruding part 13, to the other side of the welding groove.

And thirdly, reading out the sliding distance L1 of the horizontal vernier caliper 3 measured by the second capacitive gate sensing component 12 on the display screen 111, wherein the value is the width value of the welding groove.

Preferably, as shown in fig. 5, in this embodiment, the method for measuring the depth and the internal temperature of the welding groove includes the steps of:

firstly, the ruler body 1 is placed above the welding groove, and the numerical values of the vertical vernier caliper 2 and the display screen 111 return to zero.

Secondly, inserting the vertical vernier caliper 2 into the welding groove to be connected with the welding bead, and measuring the temperature inside the welding groove through the temperature sensor 21.

Thirdly, reading the sliding distance H1 of the vertical vernier caliper 2 measured by the first capacitive grating sensing component 11 on the display screen 111, wherein the value is the depth value of the welding groove, and reading the temperature inside the welding groove measured by the temperature sensor 21 through the display screen 111.

Preferably, as shown in fig. 6, in this embodiment, the method for welding the slope and the outside temperature of the groove includes the following steps:

firstly, the ruler body 1 is placed above a welding groove, and a first position A and a second position B which are used as measuring reference points are arranged on the outer side of the welding groove.

Secondly, measuring the horizontal distance difference L2 between the first position A and the second position B by the horizontal vernier caliper 3.

Thirdly, the vertical vernier caliper 2 slides to the first position through the sliding block, the depth H2 of the first position is measured by the vertical vernier caliper 2, the temperature of the first position A is measured by the temperature sensor 21, and the temperature of the outer side of the welding groove is read out through the display screen 111.

Sliding the vertical vernier caliper 2 to a second position B, measuring the depth H3 of the second position by the vertical vernier caliper 2, measuring the temperature of the second position B by the temperature sensor 21, and reading the temperature of the outer side of the welding groove through the display screen 111.

Fifth, the slope calculating unit 113 substitutes the data obtained above into a predetermined formula to determine a groove angle α ═ 2tan ^ (-1) ((H3-H2)/L2). And displays the angle through the display screen 111

The welding groove measuring instrument of the embodiment has the following beneficial effects:

when the temperature sensor is used, a vertical vernier caliper is inserted into a welding groove, the depth of the welding groove can be read out through the vertical vernier caliper, and after the temperature sensor measures temperature data of the welding groove, a temperature value of the welding groove can be displayed through a display screen of the first capacitive grating sensing assembly; after the first bulge part is connected with one side edge of the welding groove, the second bulge part is connected with the other side edge of the welding groove by sliding a horizontal vernier caliper, and the width of the welding groove can be read by the horizontal vernier caliper; the gradient of the welding groove can be calculated according to the detected data through the gradient calculating unit.

And secondly, the vertical vernier caliper and the horizontal vernier caliper are locked through the first knob and the second knob respectively, so that data jumping during reading is avoided.

And thirdly, the vertical vernier caliper and the horizontal vernier caliper are separately arranged in two areas of the ruler body, so that the influence on the use efficiency caused by mutual obstruction can be avoided during use.

The foregoing is directed to the preferred embodiment of the present invention, and it is understood that various changes and modifications may be made by one skilled in the art without departing from the spirit of the invention, and it is intended that such changes and modifications be considered as within the scope of the invention.