CN219977318U - Automobile connecting shaft rod aperture detection equipment - Google Patents
Automobile connecting shaft rod aperture detection equipment Download PDFInfo
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- CN219977318U CN219977318U CN202320895355.6U CN202320895355U CN219977318U CN 219977318 U CN219977318 U CN 219977318U CN 202320895355 U CN202320895355 U CN 202320895355U CN 219977318 U CN219977318 U CN 219977318U
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- connecting shaft
- frame
- telescopic
- contact
- contact block
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- 238000001514 detection method Methods 0.000 title claims abstract description 64
- 239000002184 metal Substances 0.000 claims abstract description 23
- 238000006073 displacement reaction Methods 0.000 claims description 14
- 230000000875 corresponding effect Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses an aperture detection device for an automobile connecting shaft lever, and relates to the technical field of automobile metal part detection. Comprising the following steps: the frame, conveyor installs on the frame for carry the connection axostylus axostyle, the telescoping member of No. one install on the frame, detection device, fixed mounting is in on the flexible end of telescoping member of No. one. According to the utility model, through the arrangement of the detection device, the telescopic end of the first telescopic piece moves, when the aperture of the connecting shaft rod is detected, the surface of the contact block is extruded by the inside of the shaft rod, the contact block moves, the contact piece and the metal strain gauge deform, the movement distance of the corresponding contact block is judged through controlling the current change detected by the terminal from the current detection assembly, whether the aperture size is qualified is judged through the movement distances of the contact blocks, the interference degree to detection caused by the error between the coaxiality of the outer wall of the shaft rod and the shaft hole is reduced, and the feasibility of the detection equipment is ensured.
Description
Technical Field
The utility model relates to the technical field of automobile metal spare and accessory part detection, in particular to automobile connecting shaft rod aperture detection equipment.
Background
The gearboxes, transmission systems and chassis of vehicles have a plurality of axles in the form of castings for connection, one or both ends of the axles having axle bores for connection to other components, the dimensions of which are critical, and therefore the aperture needs to be checked for eligibility.
During detection, the outside of the shaft rod can be fixed, the inner diameter of the hole is detected, and due to the fact that an error exists between the coaxiality of the outer wall of the shaft rod and the shaft hole in the production process of the shaft rod, when the shaft hole is detected, attention is paid to the error, and in order to reduce the influence of the error on the shaft hole detection, the hole diameter detection equipment of the automobile connecting shaft rod is provided.
Disclosure of Invention
The utility model aims to provide an automobile connecting shaft rod aperture detection device for solving the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an automotive connection shaft aperture detection apparatus comprising:
a frame;
the conveying device is arranged on the frame and is used for conveying the connecting shaft rod;
the first telescopic piece is arranged on the frame;
the detection device is fixedly arranged on the telescopic end of the first telescopic piece and is used for detecting the aperture of the connecting shaft rod;
the displacement detection assembly is arranged on the first telescopic piece and used for detecting the moving distance of the telescopic end of the first telescopic piece;
the detection device includes:
the step rod is fixedly arranged on the telescopic end of the first telescopic piece;
the outer wall of the contact block is in sliding connection with the inner wall of the step rod;
the spring is fixedly arranged in the step rod, and one end of the spring is fixed with the contact block;
and the electric connection device is fixedly arranged between the contact block and the step rod and used for detecting the moving distance of the contact block.
Preferably, the electrical connection device includes:
the contact piece is fixedly arranged on the contact block;
the metal strain gauge is fixedly arranged in the step rod, and one side of the metal strain gauge is contacted with one end of the contact piece;
the current detection assembly is fixedly arranged in the step rod, and the metal strain gauge is electrically connected and used for passing through the current value of the metal strain gauge.
Preferably, the conveying device includes:
the conveyor is fixedly arranged on the frame;
the moving plate is fixedly arranged on the conveying end of the conveyor;
and the fixing device is arranged on the movable plate and is used for fixing the connecting shaft rod on the movable plate.
Preferably, the displacement detection assembly comprises an electronic vernier caliper, the electronic vernier caliper comprises an electronic mark frame and a movable ruler, the electronic mark frame is fixed with the first telescopic piece, one end of the movable ruler is fixed with the telescopic end of the first telescopic piece, and the inner wall of the electronic mark frame is in sliding connection with the outer wall of the movable ruler.
Preferably, the outer wall of the step rod is provided with a hole, and the outer wall of the contact block is in sliding connection with the step rod through the inner wall of the hole.
Preferably, the top end fixedly connected with control terminal of frame, control terminal respectively with conveyor, displacement detection subassembly, first extensible member and detection device electric connection.
Compared with the prior art, the utility model has the beneficial effects that:
this axostylus axostyle aperture check out test set is connected to car, through detection device's setting, the flexible end of expansion piece is removed, when detecting connecting axostylus axostyle aperture, the contact piece surface receives the inside extrusion of axostylus axostyle, the contact piece removes, contact piece and metal foil gage produce deformation, the electric current through control terminal follow the detection of electric current detection subassembly changes, thereby judge the travel distance of corresponding contact piece, travel distance through a plurality of contact pieces, thereby judge whether aperture size is qualified, reduced the interference degree to the detection because of there is the error between axiality between axostylus axostyle outer wall and the shaft hole, the feasibility of this check out test set has been guaranteed.
Simultaneously, through displacement detection assembly's setting, when the flexible end of a flexible spare removes, displacement detection assembly real-time detection flexible end travel distance of a flexible spare, when the flexible end of a flexible spare does not move to the settlement distance, just the condition that flexible end can't remove, the one end that illustrates step pole and connection axostylus axostyle offsets, then the inside and outside axiality of this connection axostylus axostyle probably has the problem, needs to be to the further detection of this connection axostylus axostyle, has improved the practicality of the device.
Drawings
FIG. 1 is an isometric view of the present utility model;
FIG. 2 is a partial isometric view of the present utility model;
FIG. 3 is a cross-sectional view of the detection device of the present utility model.
In the figure: 1. a frame; 2. a conveying device; 3. a first telescopic piece; 4. a detection device; 401. a step bar; 402. a contact block; 403. a spring; 404. a contact; 405. a metal strain gauge; 406. a current detection assembly; 5. a displacement detection assembly; 6. and controlling the terminal.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The detection device mainly detects whether the aperture of an automobile connecting shaft rod is qualified or not, the first expansion piece 3 can adopt hydraulic and pneumatic push rods, the specific structure of the first expansion piece 3 is not described, the metal strain gauge 405 is subjected to the force of the contact piece 404 and deforms, the deformation enables the internal resistance of the metal strain gauge 405 to change, the larger the stress is, the larger the change value of the resistance value is, the larger the current change generated by the current detection component 406 is detected to be, the relation between the current change and the moving distance of the contact piece 402 is actually recorded on the control terminal, the moving distance of the contact piece 402 can be obtained through the current value of the current detection component 406, the connecting shaft rod can be fixed on the moving plate by using bolts by the fixing device, and the structure of the fixing device is not unique, so that the specific structure of the fixing device is not described.
As shown in fig. 1-3, the present utility model provides a technical solution: an automotive connection shaft aperture detection apparatus comprising:
a frame 1;
a conveying device 2 mounted on the frame 1 for conveying the connecting shaft rod;
a first telescopic member 3 mounted on the frame 1;
the detection device 4 is fixedly arranged on the telescopic end of the first telescopic piece 3 and is used for detecting the aperture of the connecting shaft rod;
the displacement detection assembly 5 is arranged on the first telescopic piece 3 and is used for detecting the moving distance of the telescopic end of the first telescopic piece 3;
the detection device 4 includes:
the step bar 401 is fixedly arranged on the telescopic end of the first telescopic piece 3;
a contact block 402, the outer wall of which is slidably connected with the inner wall of the step bar 401;
a spring 403 fixedly installed inside the step bar 401, one end of which is fixed to the contact block 402;
and the electric connection device is fixedly arranged between the contact block 402 and the step bar 401 and is used for detecting the moving distance of the contact block 402.
The electric connection device comprises:
a contact 404 fixedly mounted on the contact block 402;
a metal strain gauge 405 fixedly installed inside the step bar 401, one side of which is in contact with one end of the contact 404;
the current detecting component 406 is fixedly installed inside the step bar 401, and the metal strain gauge 405 is electrically connected to the current detecting component for passing through the current value of the metal strain gauge 405.
The conveying device 2 includes:
the conveyor is fixedly arranged on the frame 1;
the moving plate is fixedly arranged on the conveying end of the conveyor;
and the fixing device is arranged on the movable plate and used for fixing the connecting shaft lever on the movable plate.
The displacement detection assembly 5 comprises an electronic vernier caliper, the electronic vernier caliper comprises an electronic mark frame and a movable ruler, the electronic mark frame is fixed with the first telescopic piece 3, one end of the movable ruler is fixed with the telescopic end of the first telescopic piece 3, and the inner wall of the electronic mark frame is in sliding connection with the outer wall of the movable ruler.
The outer wall of the step bar 401 is provided with a hole, and the outer wall of the contact block 402 is slidably connected with the step bar 401 through the inner wall of the hole.
The top fixedly connected with control terminal 6 of frame 1, control terminal 6 respectively with conveyor 2, displacement detection subassembly 5, first extensible member 3 and detection device 4 electric connection.
The conveyor starts, moves the connecting shaft lever to the setting position, the telescopic end of the first telescopic part 3 moves, the position between the electronic mark frame and the moving ruler changes, the record reading of the electronic mark frame changes, and the detection device 4 moves.
When the contact block 402 is in contact with the connecting shaft hole, the contact block 402 moves, the spring 403 contracts, the contact block 402 can be always in contact with the connecting shaft hole by using the spring 403, the contact piece 404 moves, but due to the limitation of the metal strain gauge 405, the contact piece 404 can generate force on the metal strain gauge 405, the force magnitude and the moving distance of the contact block 402 are positively correlated, the current detection component 406 detects the magnitude of a current value passing through the metal strain gauge 405 and transmits the data to the control terminal 6, a plurality of corresponding contact blocks 402, the contact piece 404 and the metal strain gauge 405 are arranged on the stepped rod 401 and are in a symmetrical structure, therefore, whether the connecting shaft hole diameter is qualified or not can be judged by recording the magnitude of the current value of the plurality of metal strain gauges 405 and the relationship data between the current change originally stored in the control terminal 6 and the moving distance of the contact block 402, and the use of the displacement detection component 5 can establish a graph with the moving distance as an abscissa and the connecting shaft hole diameter magnitude as an ordinate, so that a person can observe whether the connecting shaft hole diameter is qualified or not conveniently.
The contact 404 should be made of a conductive material having toughness so as to avoid excessive compression between the contact 404 and the contact piece, which may result in the contact 404 not returning to its original state.
Through the setting of detection device 4, the flexible end of telescoping member 3 is removed, when detecting the connecting shaft pole aperture, contact 402 surface receives the inside extrusion of axostylus axostyle, contact 402 removes, contact 404 and metal foil gauge 405 produce deformation, through the current variation that control terminal 6 follow current detection subassembly 406 detected, thereby judge the travel distance of corresponding contact 402, through the travel distance of a plurality of contact 402, thereby judge whether the aperture size is qualified, the interference degree to the detection because of there is the error between the axiality between axostylus axostyle outer wall and the shaft hole has been reduced, the feasibility of this check out test set is guaranteed, through the setting of displacement detection subassembly 5, when the flexible end of telescoping member 3 removes of telescoping member 3 of No. 1, when the flexible end of telescoping member 3 does not move to the settlement distance, the condition that the flexible end can't remove appears, the ladder 401 offsets with the one end of connecting the axostylus axostyle, then the inside and outside axiality of this connecting the axostylus axostyle probably has the problem, the practicality of this connecting shaft has improved the device.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made hereto without departing from the spirit and scope of the utility model as defined by the appended embodiments and equivalents thereof.
Claims (6)
1. An automobile connecting shaft aperture detection device, comprising:
a frame (1);
a conveying device (2) which is arranged on the frame (1) and is used for conveying the connecting shaft rod;
a first telescopic piece (3) which is arranged on the frame (1);
the detection device (4) is fixedly arranged at the telescopic end of the first telescopic piece (3) and is used for detecting the aperture of the connecting shaft rod;
the displacement detection assembly (5) is arranged on the first telescopic piece (3) and is used for detecting the moving distance of the telescopic end of the first telescopic piece (3);
the detection device (4) comprises:
the step rod (401) is fixedly arranged on the telescopic end of the first telescopic piece (3);
a contact block (402), the outer wall of which is in sliding connection with the inner wall of the step bar (401);
a spring (403) fixedly installed inside the step bar (401), one end of which is fixed to the contact block (402);
and the electric connection device is fixedly arranged between the contact block (402) and the step bar (401) and is used for detecting the moving distance of the contact block (402).
2. An automobile connecting shaft aperture detection apparatus as defined in claim 1, wherein: the electrical connection device comprises:
a contact (404) fixedly mounted on the contact block (402);
a metal strain gauge (405) fixedly installed inside the step bar (401), one side of which is in contact with one end of the contact member (404);
the current detection assembly (406) is fixedly arranged inside the step bar (401), and the metal strain gauge (405) is electrically connected and used for passing through the current value of the metal strain gauge (405).
3. An automobile connecting shaft aperture detection apparatus as defined in claim 1, wherein: the conveying device (2) comprises:
the conveyor is fixedly arranged on the frame (1);
the moving plate is fixedly arranged on the conveying end of the conveyor;
and the fixing device is arranged on the movable plate and is used for fixing the connecting shaft rod on the movable plate.
4. An automobile connecting shaft aperture detection apparatus as defined in claim 1, wherein: the displacement detection assembly (5) comprises an electronic vernier caliper, the electronic vernier caliper comprises an electronic mark frame and a moving ruler, the electronic mark frame is fixed with the first telescopic part (3), one end of the moving ruler is fixed with the telescopic end of the first telescopic part (3), and the inner wall of the electronic mark frame is in sliding connection with the outer wall of the moving ruler.
5. An automobile connecting shaft aperture detection apparatus as defined in claim 1, wherein: the outer wall of the step bar (401) is provided with a hole, and the outer wall of the contact block (402) is in sliding connection with the step bar (401) through the inner wall of the hole.
6. An automobile connecting shaft aperture detection apparatus as defined in claim 1, wherein: the top end of the frame (1) is fixedly connected with a control terminal (6), and the control terminal (6) is electrically connected with the conveying device (2), the displacement detection assembly (5), the first expansion piece (3) and the detection device (4) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320895355.6U CN219977318U (en) | 2023-04-20 | 2023-04-20 | Automobile connecting shaft rod aperture detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320895355.6U CN219977318U (en) | 2023-04-20 | 2023-04-20 | Automobile connecting shaft rod aperture detection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219977318U true CN219977318U (en) | 2023-11-07 |
Family
ID=88581219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320895355.6U Active CN219977318U (en) | 2023-04-20 | 2023-04-20 | Automobile connecting shaft rod aperture detection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219977318U (en) |
-
2023
- 2023-04-20 CN CN202320895355.6U patent/CN219977318U/en active Active
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