CN216410662U - Three-pin shaft detection device - Google Patents
Three-pin shaft detection device Download PDFInfo
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- CN216410662U CN216410662U CN202122629862.9U CN202122629862U CN216410662U CN 216410662 U CN216410662 U CN 216410662U CN 202122629862 U CN202122629862 U CN 202122629862U CN 216410662 U CN216410662 U CN 216410662U
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- 238000001514 detection method Methods 0.000 title claims abstract description 60
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 238000012360 testing method Methods 0.000 claims abstract description 8
- 230000000694 effects Effects 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
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 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
- 238000012372 quality testing Methods 0.000 description 1
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Abstract
The utility model discloses a three-pin shaft detection device which comprises a bottom plate, a driving block, needle roller bearing bodies and a three-pin shaft main body, wherein a detection workbench is fixedly installed at the top of the bottom plate, a pin shaft fixing column is assembled at the top of the detection workbench, and three groups of needle roller bearing bodies are uniformly arranged on the outer wall of the three-pin shaft main body. Through the setting of test table and fixture, can carry out the centre gripping respectively to three group needle roller bearing of three round pin axle outer walls on the surface of test table and fix, through the setting of clamping jaw surface rubber pad, can not lead to its surperficial damage or mar to appear because of carrying out the centre gripping to needle roller bearing moreover to detect three group needle roller bearing's kingpins simultaneously through three detection mechanism of group, need not to detect each group needle roller bearing respectively alone, improved the efficiency that three round pin axle quality detected greatly.
Description
Technical Field
The utility model relates to the technical field of mechanical parts, in particular to a three-pin detection device.
Background
The three-pin shaft is an important part in an automobile transmission system and is generally used as a moving end part of a constant-speed driving shaft, the three-pin shaft generally comprises a cylindrical shell and three pin shafts uniformly arranged on the side wall of the cylindrical shell, the pin shafts are used for installing needle roller bearings, and the contact stress and the working performance between the pin shafts and the needle roller bearings directly influence the working reliability of the whole automobile;
the three-pin shaft is required to detect the roller pins of the roller bearings after production, but most of the existing detection equipment can only detect the roller pins singly, and then the next group of three-pin shaft can be detected after the detection of three groups of roller bearings is completed in sequence, so that the quality detection efficiency of the three-pin shaft is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a three-pin shaft detection device, which is used for simultaneously detecting three groups of needle roller bearing bodies on the surface of a three-pin shaft main body through the arrangement of a detection mechanism and a clamping mechanism so as to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the three-pin shaft detection device comprises a bottom plate, a driving block, needle bearing bodies and a three-pin shaft main body, wherein a detection workbench is fixedly installed at the top of the bottom plate, a pin shaft fixing column is assembled at the top of the detection workbench, three groups of needle bearing bodies are uniformly arranged on the outer wall of the three-pin shaft main body, the three-pin shaft main body is sleeved on the outer wall of the pin shaft fixing column, a detection mechanism is arranged on the surface of the bottom plate, and a clamping mechanism is arranged on the surface of the detection workbench;
the fixture includes clamping jaw, link and traction block, the clamping jaw is installed at the top of traction block, there is the link side wall of detection achievement platform through screw fixed mounting, the clamping jaw sets up between two sets of links with the traction block, be provided with elastic component between traction block and the link.
Preferably, the detection mechanisms comprise detection needles and supports, the supports are fixedly mounted on the surface of the base plate, the detection needles are mounted on the side faces of the supports, three groups of detection mechanisms are arranged, and the three groups of detection mechanisms correspond to the surface of the base plate according to the distribution of the needle bearing bodies.
Preferably, elastic component includes spring, cavity and gag lever post, the cavity has been seted up to the inside of traction block, the internally mounted of cavity has the spring, just the one end of spring extends to the external world, the surface mounting of link has the gag lever post, the gag lever post is pegged graft in the inside of cavity, just the spring cup joints in the outer wall of gag lever post.
Preferably, the surface of the bottom plate is provided with a groove, the driving block is arranged in the groove, the top of the driving block is of a conical structure, and the bottom of the traction block is an inclined plane matched with the top of the driving block.
Preferably, the surface integrated into one piece of traction block has the locator card limit, the outer wall of testing workbench is seted up with locator card limit assorted locator card groove, locator card limit block in locator card groove's inside.
Preferably, the outer wall of the clamping jaw is an inclined plane, the three groups of clamping mechanisms are arranged, and the three groups of clamping mechanisms are in a central symmetry structure relative to the middle point of the detection workbench.
Compared with the prior art, the utility model has the beneficial effects that:
through the setting of test table and fixture, can carry out the centre gripping respectively to three group bearing body of three round pin axle main part outer walls on the surface of test table and fix, and through the setting of clamping jaw surface rubber pad, can not lead to its surperficial damage or mar to appear because of carrying out the centre gripping to the bearing body, and detect the kingpin of three group bearing bodies simultaneously through three detection mechanism of group, need not to detect each group bearing body respectively alone, the efficiency of three round pin axle main part quality testing has been improved greatly.
Drawings
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is an enlarged view of region A of FIG. 1;
FIG. 3 is a schematic view of the connection structure of the traction block and the driving block according to the present invention;
FIG. 4 is a schematic view of a main structure of the inspection station of the present invention.
In the figure: 1. a base plate; 2. a detection pin; 3. a detection workbench; 4. a clamping jaw; 5. a drive block; 6. a connecting frame; 7. a needle bearing body; 8. a pin shaft fixing column; 9. a three-pin shaft main body; 10. a support; 11. a traction block; 12. a spring; 13. a cavity; 14. a limiting rod; 15. positioning and clamping edges; 16. a groove; 17. and a positioning clamping groove.
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.
Referring to fig. 1 to 4, the present invention provides a technical solution: the three-pin detection device comprises a bottom plate 1, a driving block 5, a needle bearing body 7 and a three-pin main body 9;
the detection workbench 3 is fixedly installed at the top of the bottom plate 1, the pin shaft fixing columns 8 are assembled at the top of the detection workbench 3, three groups of needle roller bearing bodies 7 are uniformly arranged on the outer wall of the three-pin shaft main body 9, the three-pin shaft main body is sleeved on the outer wall of the pin shaft fixing columns 8, the detection mechanism is arranged on the surface of the bottom plate 1, and the clamping mechanism is arranged on the surface of the detection workbench 3;
the clamping mechanisms comprise clamping jaws 4, connecting frames 6 and traction blocks 11, the clamping jaws 4 are mounted at the tops of the traction blocks 11, the connecting frames 6 are fixedly mounted on the side walls of the detection workbench 3 through screws, the clamping jaws 4 and the traction blocks 11 are arranged between the two groups of connecting frames 6, elastic components are arranged between the traction blocks 11 and the connecting frames 6, the outer walls of the clamping jaws 4 are arranged to be inclined planes, the clamping mechanisms are provided with three groups, the three groups of clamping mechanisms are in a central symmetry structure relative to the middle point of the detection workbench 3, the three groups of needle bearing bodies 7 can be simultaneously fixed through the arrangement of the three groups of clamping mechanisms, so that the detection is simultaneously carried out by matching the arrangement of the three groups of detection mechanisms, and the detection efficiency is greatly improved;
the detection mechanism comprises detection needles 2 and a support 10, the support 10 is fixedly mounted on the surface of the base plate 1, the detection needles 2 are mounted on the side face of the support 10, three groups of detection mechanisms are arranged, the three groups of detection mechanisms correspond to the surface of the base plate 1 according to the distribution of the needle bearing bodies 7, gaps of the needle bearing bodies 7 are detected through the arrangement of the detection needles 2, if the needle bearing bodies 7 are missing, the gaps occur, and the detection needles 2 can extend into the gaps, so that the condition that the needle bearing bodies 7 are unqualified is indicated;
the elastic assembly comprises a spring 12, a cavity 13 and a limiting rod 14, the cavity 13 is formed in the traction block 11, the spring 12 is installed in the cavity 13, one end of the spring 12 extends to the outside, the limiting rod 14 is installed on the surface of the connecting frame 6, the limiting rod 14 is inserted in the cavity 13, the spring 12 is sleeved on the outer wall of the limiting rod 14, and the clamping jaw 4 can fix the needle bearing body 7 through the elasticity of the spring 12 through the arrangement of the elastic assembly, so that the structure is simple, and the operation is convenient;
the surface of the bottom plate 1 is provided with a groove 16, the driving block 5 is arranged in the groove 16, the top of the driving block 5 is in a conical structure, the bottom of the traction block 11 is provided with an inclined plane matched with the top of the driving block 5, and the distance between the two groups of traction blocks 11 can be changed through the arrangement of the driving block 5, so that the control of the clamping jaw 4 is realized;
The working principle is as follows: install drive block 5 at the output of minicylinder, then start minicylinder, drive block 5 this moment can rise in the inside of recess 16, drive block 5 can drive two sets of traction block 11 through the toper structure at top and the inclined plane of traction block 11 bottom and keep away from each other, and distance between traction block 11 and the link 6 can reduce, thereby compress spring 12, cup joint three round pin axle main part 9 at the outer wall of round pin axle fixed column 8 this moment, then reset through minicylinder control drive block 5, can drive two sets of traction block 11 and be close to each other under spring 12's effect this moment, thereby can drive clamping jaw 4 synchronous movement when traction block 11 removes and carry out the centre gripping to bearing body 7, then can detect bearing body 7's kingpin through detecting needle 2.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Three round pin axle detection device, including bottom plate (1), drive block (5), bearing body (7) and three round pin axle main parts (9), its characterized in that: a detection workbench (3) is fixedly installed at the top of the bottom plate (1), pin shaft fixing columns (8) are assembled at the top of the detection workbench (3), three groups of needle roller bearing bodies (7) are uniformly arranged on the outer wall of the three-pin shaft main body (9), the three-pin shaft main body is sleeved on the outer wall of the pin shaft fixing columns (8), a detection mechanism is arranged on the surface of the bottom plate (1), and a clamping mechanism is arranged on the surface of the detection workbench (3);
fixture includes clamping jaw (4), link (6) and pulls block (11), clamping jaw (4) are installed at the top of pulling block (11), there is link (6) lateral wall of test table (3) through screw fixed mounting, clamping jaw (4) set up between two sets of link (6) with pulling block (11), it is provided with elastic component to pull between block (11) and link (6).
2. The three-pin detection device according to claim 1, characterized in that: the detection mechanism comprises detection needles (2) and a support (10), the support (10) is fixedly mounted on the surface of the base plate (1), the detection needles (2) are mounted on the side face of the support (10), three groups of detection mechanisms are arranged, and the three groups of detection mechanisms correspond to the surface of the base plate (1) according to the distribution of the needle bearing bodies (7).
3. The three-pin detection device according to claim 1, characterized in that: elastic component includes spring (12), cavity (13) and gag lever post (14), cavity (13) have been seted up to the inside of traction block (11), the internally mounted of cavity (13) has spring (12), just the one end of spring (12) extends to the external world, the surface mounting of link (6) has gag lever post (14), gag lever post (14) are pegged graft in the inside of cavity (13), just spring (12) cup joint in the outer wall of gag lever post (14).
4. The three-pin detection device according to claim 1, characterized in that: the surface of the bottom plate (1) is provided with a groove (16), the driving block (5) is arranged in the groove (16), the top of the driving block (5) is of a conical structure, and the bottom of the traction block (11) is arranged to be an inclined plane matched with the top of the driving block (5).
5. The three-pin detection device according to claim 1, characterized in that: the surface integrated into one piece of traction block (11) has locator card limit (15), the outer wall of testing workbench (3) is seted up with locator card limit (15) assorted locator card groove (17), locator card limit (15) block is in locator card groove (17) inside.
6. The three-pin detection device according to claim 1, characterized in that: the outer wall of the clamping jaw (4) is an inclined plane, the three groups of clamping mechanisms are arranged, and the three groups of clamping mechanisms are in a central symmetry structure relative to the middle point of the detection workbench (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122629862.9U CN216410662U (en) | 2021-10-30 | 2021-10-30 | Three-pin shaft detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122629862.9U CN216410662U (en) | 2021-10-30 | 2021-10-30 | Three-pin shaft detection device |
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| Publication Number | Publication Date |
|---|---|
| CN216410662U true CN216410662U (en) | 2022-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122629862.9U Active CN216410662U (en) | 2021-10-30 | 2021-10-30 | Three-pin shaft detection device |
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| CN (1) | CN216410662U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115157323A (en) * | 2022-09-05 | 2022-10-11 | 阳信瑞鑫集团有限公司 | Portable vibration measuring device for mechanical arm |
-
2021
- 2021-10-30 CN CN202122629862.9U patent/CN216410662U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115157323A (en) * | 2022-09-05 | 2022-10-11 | 阳信瑞鑫集团有限公司 | Portable vibration measuring device for mechanical arm |
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