CN220791468U - Test fixture for oil pump - Google Patents
Test fixture for oil pump Download PDFInfo
- Publication number
- CN220791468U CN220791468U CN202322192226.3U CN202322192226U CN220791468U CN 220791468 U CN220791468 U CN 220791468U CN 202322192226 U CN202322192226 U CN 202322192226U CN 220791468 U CN220791468 U CN 220791468U
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- oil pump
- movable
- pressing rod
- upper pressing
- test fixture
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- 238000012360 testing method Methods 0.000 title claims abstract description 26
- 239000003921 oil Substances 0.000 description 22
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000003381 stabilizer Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010705 motor oil Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of oil pumps, in particular to a test fixture for an oil pump, which comprises a movable table, an upper pressing rod for fixing a workpiece and a central revolving table, wherein an electric revolving table is symmetrically arranged on the movable table, the electric revolving table is positioned at four corners of the movable table, a supporting table is arranged on the electric revolving table, a support is arranged on the supporting table, the upper pressing rod is hinged with the support, one end of the upper pressing rod extends to the outer side of the supporting table, a driving part is arranged at the other end of the upper pressing rod, the upper pressing rod swings around a hinging point of the upper pressing rod and the support through the driving part, the central revolving table is arranged on the movable table, the upper supporting part is arranged on the central revolving table, the workpiece is fixed through the upper supporting part and the upper pressing rod, the workpiece is further clamped through the cooperation of the upper pressing rod and the upper pressing rod, and a movable clamping block, and multidirectional clamping and reliable clamping of the oil pump are realized through the upper pressing rod and the movable clamping block.
Description
Technical Field
The utility model relates to the technical field of oil pumps, in particular to a testing tool for an oil pump.
Background
The oil pump test is an important checking method, and is mainly used for detecting whether performance indexes such as efficiency, flow, lift and the like of the oil pump meet requirements. Through the test, the working state of the engine oil pump can be known, the problems can be found and solved in time, and the engine oil pump can be ensured to stably and efficiently run in the use process. In addition, the oil pump test can also detect parameters such as noise, vibration and temperature rise of the oil pump, so that the oil pump is ensured not to cause adverse effect on the environment in the use process, and the oil pump is clamped and fixed by a tool before the test is carried out in order to facilitate the smooth test.
The utility model discloses a test fixture of oil pump, including the stabilizer plate, two stable recesses have been seted up on the top of stabilizer plate, the first motor of one end fixedly connected with of stabilizer plate, the output fixedly connected with bi-directional screw of first motor, the one end of bi-directional screw extends to the inside of stable recess and rotates in the inside one end of stable recess and be connected, two thread bush are screwed on the outer wall of bi-directional screw, the equal fixedly connected with fixture in top of two thread bush, fixture includes the ring plate, the bottom of ring plate and the top fixed connection of thread bush, and under the circular telegram start through the second motor in test process, the output of second motor drives stable gear and rotates, stable gear drives the grip bar through the meshing of stable rack and overturns, and then accomplish the upset to the oil pump.
The existing test fixture clamps and fixes the oil pump through the plate moving leftwards and rightwards and the plate moving upwards and downwards, and the clamping force is not firm enough for the irregular oil pump because the plate moving leftwards and rightwards or the plate moving upwards and downwards is synchronous, and the clamping structure is not arranged in the circumferential direction of the oil pump.
Disclosure of Invention
Aiming at the defects, the utility model aims to provide a test fixture for an oil pump.
The utility model provides the following technical scheme:
a test fixture for oil pump, including the movable table, be used for fixed work piece go up depression bar and center revolving platform, the symmetry is installed electronic revolving platform on the movable table, electronic revolving platform is located the four corners of movable table, install the brace table on the electronic revolving platform, install the support on the brace table, it is articulated with the support to go up the depression bar, go up depression bar one end and extend to the brace table outside, the drive division is installed to the other end, makes upward the depression bar swing around its and support pin joint through the drive division, center revolving platform is installed on the movable table, install the support division on the center revolving platform, fix the work piece through last support division and upward depression bar.
Preferably, the upper supporting part comprises a fixed platform and an upper ejector rod, the central rotary table is arranged on the fixed platform, the central rotary table, the fixed platform and the movable table are coaxial, an inner cavity is arranged in the fixed platform, a plurality of jacking cylinders are arranged in the inner cavity, a movable circular plate is fixedly connected to the jacking cylinders, and the circumference of the upper ejector rod is arranged on the movable circular plate.
Preferably, the movable table is provided with a groove, the groove is positioned below the central rotary table, a rotary rod is rotationally connected to the groove, one end of the rotary rod is connected with a motor arranged on the movable table, extension blocks which are oppositely arranged are connected to the rotary rod, and movable clamping blocks are arranged on the extension blocks and are used for fixing a workpiece.
Preferably, the extending blocks which are oppositely arranged are internally provided with threads, and the threads of the extending blocks are opposite in rotation direction.
Preferably, a rotary groove is reserved on the movable clamping block, a first pressing wheel is connected in the rotary groove in a rotary mode, the diameter of the first pressing wheel is larger than that of the rotary groove, and a rubber round belt is adhered to the outer wheel surface of the first pressing wheel.
Preferably, the drive part comprises a hydraulic cylinder and a sliding push block, the electric rotary table is fixedly connected with a supporting table, the hydraulic cylinder is arranged on the supporting table, the sliding push block is connected with the hydraulic cylinder, one side of the sliding push block is a step surface, the step surface is contacted with one end of an upper pressing rod, and the swing of the upper pressing rod is realized through the movement of the sliding push block, so that the other end of the upper pressing rod is propped against a workpiece.
Preferably, the supporting table is also provided with a sliding rail, and the sliding pushing block is connected to the sliding rail in a sliding way.
Preferably, a second pressing wheel is arranged at one end, which is contacted with the workpiece, of the upper pressing rod.
Preferably, the movable table is mounted on the base, a plurality of guide posts are mounted on the base, the top ends of the guide posts penetrate through the movable table and are rotationally connected with the electric rotary table, and a telescopic cylinder is mounted between the base and the movable table.
Preferably, a rubber round belt is adhered to the outer wheel surface of the pressing wheel.
The beneficial effects of the utility model are as follows:
the movable table is used as a test workbench of the oil pump, two movable clamping blocks which are oppositely arranged are arranged on the movable table, unidirectional clamping of the oil pump is realized, an upper pressing rod is also arranged on the movable table, the movement track of the upper pressing rod is an arc, and the circumferential direction of the oil pump is clamped;
besides rotating the workpiece clamping, the driving part is further arranged on the supporting table, the swing of the upper pressing rod is realized through the driving part, the workpiece is pressed downwards by more than one end of the upper pressing rod, the center rotary table is arranged on the fixed platform for downward pressing of the workpiece by matching with the upper pressing rod, the upper ejector rod for pressing the workpiece from bottom to top is arranged on the fixed platform, the workpiece is further clamped by matching of the upper ejector rod and the upper pressing rod, and the multidirectional clamping of the oil pump is realized through the upper pressing rod, the upper ejector rod and the movable clamping block, so that the clamping is reliable.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic top view of the apparatus of the present utility model;
FIG. 2 is a schematic top view of another embodiment of the apparatus of the present utility model;
FIG. 3 is a schematic left-hand view of the apparatus of the present utility model;
FIG. 4 is a schematic diagram of the left-hand construction of the motorized turret of the apparatus of the present utility model;
FIG. 5 is a schematic diagram of the internal structure of a fixed base station of the apparatus of the present utility model;
FIG. 6 is a schematic diagram of a left-hand construction of a movable clamp block of the apparatus of the present utility model;
marked in the figure as: 1. an electric rotary table; 2. a groove; 3. a motor; 4. a movable table; 5. a center turntable; 6. a rotary rod; 7. moving the clamping block; 8. a guide post; 9. a base; 10. a telescopic cylinder; 11. a hydraulic cylinder; 12. a sliding pushing block; 13. a pressing rod is arranged; 14. a bracket; 15. a second pinch roller; 16. a support table; 17. a slide rail; 18. a rotary groove; 19. a first pinch roller; 20. extending the block; 21. an upper ejector rod; 22. an inner cavity; 23. jacking the air cylinder; 24. moving the circular plate; 25. and fixing the platform.
Detailed Description
The conception, specific structure, and technical effects produced by the present utility model will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, aspects, and effects of the present utility model. It should be noted that, the embodiments and features in the embodiments in the present application may be combined with each other without conflict. It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly or indirectly fixed or connected to the other feature. Further, the descriptions of the upper, lower, left, right, etc. used in the present utility model are merely with respect to the mutual positional relationship of the constituent elements of the present utility model in the drawings.
Example 1
The application provides a test fixture for oil pump, please see the fig. 1 and show, including the movable table 4, be used for fixed work piece go up depression bar 13 and central revolving platform 5, electronic revolving platform 1 is installed to the symmetry on the movable table 4, electronic revolving platform 1 is located the four corners of movable table 4, install brace table 16 on electronic revolving platform 1, go up depression bar 13 and install on brace table 16, and rotate along with brace table 16, specifically, brace table 16 rotates along with electronic revolving platform 1, make the last depression bar 13 of installing on brace table 16 rotate, combine the movement track of going up depression bar 13 to be the circular arc as shown in fig. 1 and fig. 2, can carry out spacingly to the side of oil pump of multiple model, go up depression bar 13 one end and extend to the brace table 16 outside, thereby enlarge the scope of the centre gripping work piece that a plurality of last depression bars 13 mutually support each other forms, center revolving platform 5 is installed on movable table 4, the work piece is placed on center revolving platform 5 and is finely tuned, rotate along with brace table 16, make the position to the work piece rotate along with the center revolving platform 5, so as to further adjust best clamping position.
The workpiece is clamped by rotating the upper pressing rod 13, next, referring to fig. 1, a groove 2 is formed in the movable table 4, the groove 2 is located below the central rotary table 5, a rotary rod 6 is rotationally connected to the groove 2, one end of the rotary rod 6 is connected with a motor 3 installed on the movable table 4, extension blocks 20 which are oppositely arranged are connected to the rotary rod 6, threads are arranged in the oppositely arranged extension blocks 20, the threads of the two extension blocks are opposite in rotation direction, a movable clamping block 7 is installed on the extension blocks 20, referring to fig. 6, the workpiece is fixed by the movable clamping block 7, the rotary rod 6 is driven by the motor 3 to rotate, the extension blocks 20 in threaded connection with the rotary rod 6 move oppositely or back to back, and the workpiece is fixed when the two movable blocks 7 move oppositely, otherwise, the workpiece is released when the two movable blocks move back to back.
Referring to fig. 1 and 6, in order to further improve the stability of the workpiece fixed by the moving block 7, a rotary groove 18 is reserved on the moving clamp block 7, a first pressing wheel 19 is rotationally connected in the rotary groove 18, the diameter of the first pressing wheel 19 is larger than that of the rotary groove 18, a rubber circular belt is adhered to the outer wheel surface of the first pressing wheel 19, the workpiece is fixed by the two first pressing wheels 19, and meanwhile, the rubber circular belt adhered to the first pressing wheel 19 can play a role of anti-skidding and stably clamp the workpiece.
Example two
On the basis of the first embodiment, as shown in fig. 4, a support 14 is installed on the supporting table 16, the upper pressing rod 13 is hinged to the support 14, a driving part is installed at the other end, the upper pressing rod 13 swings around the hinge point of the upper pressing rod 13 and the support 14 through the driving part, further the upper pressing rod 13 presses a workpiece from top to bottom, wherein the driving part comprises a hydraulic cylinder 11 and a sliding pushing block 12, the supporting table 16 is fixedly connected to the electric rotating table 1, the hydraulic cylinder 11 is installed on the supporting table 16, the sliding pushing block 12 is connected with the hydraulic cylinder 11, one side of the sliding pushing block 12 is a step surface, one end of the step surface is contacted with one end of the upper pressing rod 13, the upper pressing rod 13 swings through the movement of the sliding pushing block 12, specifically, the hydraulic cylinder 11 pushes the sliding pushing block 12 to enable the step surface on the sliding pushing block 12 to be contacted with the upper pressing rod 13 from top to bottom, when the upper pressing rod 13 contacts along the step surface, and conversely, when the upper pressing rod 13 contacts from bottom to top along the step surface, the other end of the upper pressing rod 13 swings, and the other end of the upper pressing rod 13 presses the workpiece.
The supporting table 16 is also provided with a sliding rail 17, and the sliding pushing block 12 is slidably connected to the sliding rail 17, so that the sliding pushing block 12 can move smoothly.
The pinch roller two 15 is installed to the one end that goes up depression bar 13 and work piece contact, has the rubber circle area on the outer round surface of pinch roller two 15, and the rubber circle area of bonding on the pinch roller two 15 can play anti-skidding effect, and stable butt presses the work piece.
In order to cooperate with the upper pressing rod 13 to press down a workpiece, as shown in fig. 1 and 5, an upper supporting part is mounted on the central rotary table 5, the workpiece is fixed by cooperation of the upper supporting part and the upper pressing rod 13, the upper supporting part comprises a fixed platform 25 and an upper ejector rod 21, the central rotary table 5 is mounted on the fixed platform 25, the central rotary table 5, the fixed platform 25 and the movable platform 4 are coaxial, an inner cavity 22 is arranged in the fixed platform 25, a plurality of lifting cylinders 23 are mounted in the inner cavity 22, the lifting cylinders 23 are fixedly connected with a movable circular plate 24, the upper ejector rod 21 is circumferentially arranged on the movable circular plate 24, and when in operation, the lifting cylinders 23 push the movable circular plate 24 upwards, the upper ejector rod 21 moves upwards to press the workpiece from bottom to top and the upper pressing rod 13 presses the workpiece from top to bottom.
Other components and principles in this embodiment are the same as in the first embodiment.
Example III
On the basis of the second embodiment, as shown in fig. 3, the movable table 4 is mounted on the base 9, a plurality of guide posts 8 are mounted on the base 9, the top ends of the guide posts 8 penetrate through the movable table 4 and are rotationally connected with the electric turntable 1, a telescopic cylinder 10 is mounted between the base 9 and the movable table 4, lifting and lowering of the movable table 4 are realized through the telescopic cylinder 10, and the movable table 4 is lifted and lowered along the axial direction of the guide posts 8, so that the distance between the movable table 4 and the supporting table 16 is adjusted, and the range of the thickness of the workpiece which can be clamped is further widened.
Other components and principles in this embodiment are the same as in the embodiment.
The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. A test fixture for oil pump, its characterized in that includes the movable table, is used for fixed work piece go up depression bar and central revolving platform, the symmetry is installed electronic revolving platform on the movable table, electronic revolving platform is located the four corners of movable table, install the brace table on the electronic revolving platform, install the support on the brace table, it is articulated with the support to go up the depression bar, goes up depression bar one end and extends to the brace table outside, and drive division is installed to the other end, makes upward the depression bar swing around its and support hinge point through drive division, the central revolving platform is installed on the movable table, install the upper supporting part on the central revolving platform, fix the work piece through last supporting part and upward the depression bar.
2. The test fixture for an oil pump according to claim 1, wherein the upper supporting portion comprises a fixed base and an upper ejector rod, the central rotary table is installed on the fixed base, the central rotary table, the fixed base and the movable table are coaxial, an inner cavity is formed in the fixed base, a plurality of jacking cylinders are installed in the inner cavity, the jacking cylinders are fixedly connected with a movable circular plate, and the circumference of the upper ejector rod is arranged on the movable circular plate.
3. The test fixture for the oil pump according to claim 2, wherein the movable table is provided with a groove, the groove is positioned below the central rotary table, a rotary rod is rotationally connected to the groove, one end of the rotary rod is connected with a motor arranged on the movable table, extension blocks which are oppositely arranged are connected to the rotary rod, and movable clamping blocks are arranged on the extension blocks and are used for fixing a workpiece.
4. The tool for testing the oil pump according to claim 3, wherein threads are arranged in the extension blocks which are oppositely arranged, and the threads are opposite in rotation direction.
5. The test fixture for the oil pump according to claim 4, wherein a rotary groove is reserved on the movable clamping block, a first pressing wheel is rotationally connected in the rotary groove, the diameter of the first pressing wheel is larger than that of the rotary groove, and a rubber round belt is adhered to the outer wheel surface of the first pressing wheel.
6. The test fixture for the oil pump according to claim 1, wherein the driving part comprises a hydraulic cylinder and a sliding push block, the electric turntable is fixedly connected with a supporting table, the hydraulic cylinder is arranged on the supporting table, the sliding push block is connected with the hydraulic cylinder, one side of the sliding push block is a step surface, the step surface is contacted with one end of an upper pressing rod, the upper pressing rod swings through movement of the sliding push block, and the other end of the upper pressing rod is pressed against a workpiece.
7. The test fixture for an oil pump of claim 6, wherein the support table is further provided with a sliding rail, and the sliding pushing block is slidably connected to the sliding rail.
8. The test fixture for an oil pump according to claim 6, wherein a second pressing wheel is mounted at one end, which is contacted with the workpiece, of the upper pressing rod.
9. The test fixture for an oil pump according to claim 1, wherein the movable table is mounted on a base, a plurality of guide posts are mounted on the base, the top ends of the guide posts penetrate through the movable table and are rotatably connected with the electric rotary table, and a telescopic cylinder is mounted between the base and the movable table.
10. The test fixture for the oil pump of claim 8, wherein a rubber round belt is adhered to the outer wheel surface of the pressing wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322192226.3U CN220791468U (en) | 2023-08-15 | 2023-08-15 | Test fixture for oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322192226.3U CN220791468U (en) | 2023-08-15 | 2023-08-15 | Test fixture for oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220791468U true CN220791468U (en) | 2024-04-16 |
Family
ID=90664776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322192226.3U Active CN220791468U (en) | 2023-08-15 | 2023-08-15 | Test fixture for oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220791468U (en) |
-
2023
- 2023-08-15 CN CN202322192226.3U patent/CN220791468U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
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