1. The utility model provides a measuring device of pipe butt joint installation axis contained angle which characterized in that, measuring device's body is a dull and stereotyped structure, and dull and stereotyped side is the measuring basis, and the middle part of dull and stereotyped side has the groove of dodging, and one side of dodging the groove is first measuring basis limit, and the opposite side of dodging the groove and operating is second measuring basis limit, and the contained angle on first measuring basis limit and second measuring basis limit is the measuring basis of pipe butt joint installation.

2. The device for measuring the included angle between the butt joint installation axes of the guide pipes according to claim 1, wherein the upper and lower sides of the flat plate are both measurement references, the middle parts of the upper and lower sides of the flat plate are respectively provided with a hiding groove, the upper and lower sides of the flat plate on both sides of the hiding groove are respectively parallel, the included angle between the first measurement reference edge and the second measurement reference edge on both sides of the hiding groove on the upper side of the flat plate is greater than 180 degrees, and the included angle between the first measurement reference edge and the second measurement reference edge on both sides of the hiding groove on the lower side of the flat plate is less than 180 degrees.

3. A method for measuring the included angle of the butt joint installation axis of a guide pipe is characterized by comprising the following steps: 1) a device for measuring the included angle of the butt installation axis of the conduit according to claim 1; 2) the installation joint positions of the two butted conduits on the two sides are placed in an avoiding groove of a measuring device, a first measuring reference edge of the measuring device is attached to the surface of the conduit on one side, and whether the included angle of the axis of the conduit butt joint accords with the measuring reference of the conduit butt joint installation is judged according to the attaching state of the surface of the conduit on the other side and a second measuring reference edge.

4. The method for measuring the included angle of the butt joint installation axes of the guide pipes according to claim 3, wherein in the step 2), whether the included angle of the butt joint axes of the guide pipes accords with the measurement reference of the butt joint installation of the guide pipes is judged according to the joint state of the surface of the guide pipe on the other side and the second measurement reference side, when the included angle between the adopted first measurement reference side and the second measurement reference side is larger than 180 degrees, if the maximum gap between the guide pipe on the other side and the second measurement reference side is far away from the avoiding groove position, the butt joint axes of the guide pipes on the two sides accord with the installation measurement reference, and if the maximum gap between the guide pipe on the other side and the second measurement reference side is close to the avoiding groove position, the butt joint axes of the guide pipes on the two sides do not accord with the installation measurement reference; when the included angle between the adopted first measurement reference edge and the adopted second measurement reference edge is less than 180 degrees, if the maximum gap between the conduit on the other side and the second measurement reference edge is far away from the avoidance groove position, the butt joint axes of the conduits on the two sides are judged not to accord with the installed measurement reference, and if the maximum gap between the conduit on the other side and the second measurement reference edge is close to the avoidance groove position, the butt joint axes of the conduits on the two sides are judged to accord with the installed measurement reference.

Background

When the aircraft guide pipes are installed in a butt joint mode, the requirement that the included angle between the axial lines of the two guide pipes is smaller than one angle is guaranteed before the guide pipes are connected through butt joints is usually provided in product design. The pipe axis is a virtual space position, the requirement that the included angle of the two pipe space axes is smaller than a certain angle is met, and a proper measuring device and a proper measuring method are lacked before the pipe butt joint is installed.

At present, only an indirect measurement method is adopted, namely whether the included angle of the axis of the conduit is qualified or not is indirectly reflected by measuring the maximum value and the minimum value of the end-to-end gap of the butt joint pipe orifice of the conduit and calculating the difference value of the maximum value and the minimum value. In order to measure the maximum value and the minimum value, a plurality of position gaps within a range of 360 degrees need to be measured at the pipe joint of the guide pipe, so that the operation is complicated and the consumed time is long; meanwhile, part of the guide pipe is positioned in a narrow space on the airplane, and the measurement position cannot be reached, so that the maximum value or the minimum value of the clearance cannot be measured, and whether the included angle of the axis is qualified or not cannot be judged.

Disclosure of Invention

In order to overcome the problem that the included angle of the axis of the butt joint conduit cannot be conveniently measured in the prior art, the application aims to provide a device and a method for measuring the included angle of the axis of the butt joint installation of the conduit.

The utility model provides a measuring device of pipe butt joint installation axis contained angle which characterized in that, measuring device's body is a dull and stereotyped structure, and dull and stereotyped side is the measuring basis, and the middle part of dull and stereotyped side has the groove of dodging, and one side of dodging the groove is first measuring basis limit, and the opposite side of dodging the groove and operating is second measuring basis limit, and the contained angle on first measuring basis limit and second measuring basis limit is the measuring basis of pipe butt joint installation.

Preferably, the upper side and the lower side of the flat plate are both measurement references, the middle parts of the upper side and the lower side of the flat plate are respectively provided with a hiding groove, the upper side and the lower side of the flat plate on the two sides of the hiding groove are respectively parallel, the included angle between the first measurement reference edge and the second measurement reference edge on the two sides of the hiding groove on the upper side of the flat plate is larger than 180 degrees, and the included angle between the first measurement reference edge and the second measurement reference edge on the two sides of the hiding groove on the lower side of the flat plate is smaller than 180 degrees.

The application also provides a method for measuring the included angle of the butt joint installation axis of the guide pipe, which is characterized by comprising the following steps: 1) the guide pipe is used for butt joint and installation of the measuring device of the included angle of the axial line; 2) the installation joint positions of the two butted conduits on the two sides are placed in an avoiding groove of a measuring device, a first measuring reference edge of the measuring device is attached to the surface of the conduit on one side, and whether the included angle of the axis of the conduit butt joint accords with the measuring reference of the conduit butt joint installation is judged according to the attaching state of the surface of the conduit on the other side and a second measuring reference edge.

In the step 2), whether the included angle of the axis of the pipe butt joint accords with the measuring reference of the pipe butt joint installation is judged according to the joint state of the surface of the pipe on the other side and the second measuring reference side, when the included angle of the adopted first measuring reference side and the second measuring reference side is larger than 180 degrees, if the maximum gap between the pipe on the other side and the second measuring reference side is far away from the avoiding groove position, the pipe butt joint axes on the two sides accord with the measuring reference of the installation, and if the maximum gap between the pipe on the other side and the second measuring reference side is close to the avoiding groove position, the pipe butt joint axes on the two sides do not accord with the measuring reference of the installation; when the included angle between the adopted first measurement reference edge and the adopted second measurement reference edge is less than 180 degrees, if the maximum gap between the conduit on the other side and the second measurement reference edge is far away from the avoidance groove position, the butt joint axes of the conduits on the two sides are judged not to accord with the installed measurement reference, and if the maximum gap between the conduit on the other side and the second measurement reference edge is close to the avoidance groove position, the butt joint axes of the conduits on the two sides are judged to accord with the installed measurement reference.

The beneficial effect of this application lies in: 1) simple structure, light in weight can one-hand operation, and the operation workman of being convenient for carries and uses. Especially when a large amount of pipes are butted and installed at the included angle of the axial lines in a narrow space, the effects of portability and reduction of the labor intensity of workers can be achieved. 2) The conformity of the included angle of the butt joint installation axis of the guide pipe can be quickly judged by directly observing the position of the gap, the time for measuring the included angle of the butt joint installation axis of one guide pipe is about 10 seconds, and the measuring speed is high. 3) The two side measuring reference edges can cover a plurality of states of the included angles of the butt joint axes of the guide pipes, and under the condition of being influenced by the space position, the position can be reached by measuring the guide pipes to achieve the purpose of measurement. 4) The device can be popularized and applied to the measurement of the clip angle of the installation shaft in the butt joint of all guide pipes.

The present application is described in further detail below with reference to the accompanying drawings of embodiments.

Drawings

FIG. 1 is a schematic view of the axial angle of a catheter during butt-joint installation of the catheter.

Fig. 2 is a schematic structural diagram of a device for measuring an included angle of a butt joint installation axis of a guide pipe.

Fig. 3 and 4 are schematic diagrams respectively illustrating a method for measuring an included angle of the axes of the guide pipes before the guide pipes are installed in a butt joint mode.

The numbering in the figures illustrates: the device comprises a guide pipe 1, a guide pipe axis 2, a joint 3, a measuring device 4, an avoiding groove 5, a first measuring reference edge 6, a second measuring reference edge 7 and a maximum gap 8.

Detailed Description

Referring to the drawings, before the catheter butt joint is installed, as shown in fig. 1 below, it is required that the angle between the catheter axes 2 of two butt-installed catheters 1 must be within a threshold range, otherwise the installation of the catheters is regarded as defective. In actual production, the duct axis 2 is a virtual space position, and the requirement that the included angle of the space axes of two butt-joint ducts is smaller than a certain angle is met.

The utility model provides a measuring device 4's body is a flat plate structure, and dull and stereotyped side is the measuring basis, and there is the groove of dodging 5 at the middle part of dull and stereotyped side, and the one side of dodging the groove 5 is first measuring basis limit 6, and the opposite side of dodging the groove and operating is second measuring basis limit 7, and the contained angle of first measuring basis limit 6 and second measuring basis limit 7 equals the maximum threshold value of the pipe axis contained angle of both sides pipe, as the measuring basis of pipe butt joint installation.

In the embodiment, the upper side and the lower side of the flat plate are both used as the measuring reference, the middle parts of the upper side and the lower side of the flat plate are respectively provided with a hiding groove 5, the upper side and the lower side of the flat plate at the two sides of the hiding groove 5 are respectively parallel, the included angle between the first measuring reference edge 6 and the second measuring reference edge 7 at the two sides of the hiding groove at the upper side of the flat plate is more than 180 degrees, and the included angle between the first measuring reference edge 6 and the second measuring reference edge 7 at the two sides of the hiding groove at the lower side of the flat plate is less than 180 degrees.

During measurement, the installation joints 3 of the two butted conduits 1 are placed in the avoidance groove 5 of the measuring device, so that the first measuring reference edge 6 of the measuring device 4 is attached to the surface of the conduit 1 on one side, and whether the included angle of the axis of the conduit butt joint accords with the measuring reference of conduit butt joint installation is judged according to the attaching state of the surface of the conduit on the other side and the second measuring reference edge 7.

When one side of the measuring device 4, in which the included angle between the first measuring reference edge 6 and the second measuring reference edge 7 is larger than 180 degrees, is used as a measuring reference, as shown in fig. 3, the surface of the left side conduit is attached to the first measuring reference edge 6, meanwhile, the butt joints 3 of the conduits on the two sides are all placed in the avoiding groove 5, the attachment state of the surface of the right side conduit 1 and the second measuring reference edge 7 is observed, and if the second measuring reference edge 7 and the maximum gap 8 between the surfaces of the conduits on the two sides 1 are far away from the avoiding groove 5, the butt joint axes of the conduits 1 on the two sides are judged to accord with the mounted measuring reference. If the maximum gap 8 between the right-side duct 1 and the second measurement reference edge 7 is close to the position of the avoidance groove 5, as shown in fig. 4, it is determined that the abutting axes of the ducts 1 on both sides do not conform to the measurement reference for installation.

On the contrary, when the included angle between the first measurement reference edge 6 and the second measurement reference edge 7 of the measurement device 4 is smaller than 180 degrees, if the maximum gap 8 between the right side conduit and the second measurement reference edge 7 is far away from the position of the avoiding groove 5, the abutting axes of the conduits on the two sides are judged not to accord with the installation measurement reference, and if the maximum gap 8 between the right side conduit and the second measurement reference edge 7 is close to the position of the avoiding groove 5, the abutting axes of the conduits on the two sides are judged to accord with the installation measurement reference.

The device and the method for measuring the included angle of the butt joint installation axis of the guide pipe are realized, the previous complicated measuring method is distinguished, and the problems that the butt joint installation efficiency of the guide pipe is low, the included angle of the butt joint installation axis of part of the guide pipe cannot be measured and the like are solved. The invention has great popularity and can be used for judging the qualification of the included angle of the butt joint installation axis of each type of conduit.