CN219737542U - Spatial three-degree-of-freedom anti-collision positioning mechanism capable of automatically returning - Google Patents
Spatial three-degree-of-freedom anti-collision positioning mechanism capable of automatically returning Download PDFInfo
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- CN219737542U CN219737542U CN202320565120.0U CN202320565120U CN219737542U CN 219737542 U CN219737542 U CN 219737542U CN 202320565120 U CN202320565120 U CN 202320565120U CN 219737542 U CN219737542 U CN 219737542U
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- fixing seat
- direction sliding
- sliding
- bearing
- spring
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- 230000000670 limiting effect Effects 0.000 claims description 15
- 239000000872 buffer Substances 0.000 abstract description 10
- 230000003139 buffering effect Effects 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 4
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
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Abstract
The utility model discloses an automatic return space three-degree-of-freedom anti-collision positioning mechanism, which comprises a fixed seat, an X-direction sliding fixed seat, a Y-direction sliding fixed seat, an XY sliding bearing fixed seat, and an XYZ-trend spring and three-way sliding bearing, wherein the fixed seat is fixed in a nested manner, the XY sliding bearing fixed seat is used for keeping a relatively stable position through the sliding bearing and the fixed seat, the stable manner can not limit the displacement of the three directions in space, dynamic balance is achieved between stability and flexibility, the stability of the integral structure of the mechanism is facilitated, but the buffering capacity required by the mechanism is not influenced, and the defect that the prior art only has the Z-direction degree of freedom to buffer auxiliary positioning is overcome.
Description
Technical Field
The utility model belongs to the field of automobile performance detection, and relates to an automatic return space three-degree-of-freedom anti-collision positioning mechanism.
Technical Field
When the automobile motor quality tests, motor performance detection is usually carried out by means of a detection tool, the detection tool is applied to small-sized device detection equipment in the market at present, the tool is usually subjected to buffer auxiliary positioning by adopting a Z-direction degree of freedom in the aspect of positioning, so that the risk of collision damage is reduced, but according to the existing detection buffer equipment, single-direction buffer auxiliary is insufficient to cope with various scenes of device detection, and the damage of the tool and a probe can be directly caused by such defects, so that the detection efficiency and accuracy are influenced.
In view of the problems that the prior art only has the buffer of Z-direction freedom degree and has no buffer when positioning is not carried out in other directions, the utility model discloses an automatic return space three-freedom-degree anti-collision positioning mechanism, which is provided with the buffer in all directions of space and consists of a space XYZ-direction automatic return part, and the three directions have a certain amount of mobility and can deviate in three directions when colliding in the descending process of a mechanism tool. The defects in the prior art can be well overcome.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides an automatic return space three-degree-of-freedom anti-collision positioning mechanism.
In order to achieve the technical aim, the specific technical scheme provided by the utility model is as follows:
an automatic return spatial three-degree-of-freedom anti-collision positioning mechanism, comprising: the device comprises an upper fixing seat, an X-direction sliding fixing seat, a Y-direction sliding fixing seat and an XY sliding bearing fixing seat; the upper fixing seat is provided with a positioning pin, a Z-direction sliding shaft is inserted in the positioning pin, one end of the Z-direction sliding shaft is fixed on the Y-direction sliding fixing seat, and the other end of the Z-direction sliding shaft is provided with a limiting end cover; the X-direction sliding fixing seat and the Y-direction sliding fixing seat are buckled on the XY sliding bearing fixing seat.
Preferably, the number of the positioning pins is at least 4, the positioning pins are evenly distributed in two rows, and at least two top thread holes are formed in the middle of the positioning pins.
Preferably, the Z-direction sliding shaft is provided with a Z-direction return spring and a limiting gasket, the Z-direction return spring is arranged between the upper fixing seat and the Y-direction sliding fixing seat, and the limiting gasket is arranged between the upper fixing seat and the limiting end cover.
By adopting the technical scheme, the parts are tightly connected, and the whole mechanism is stable.
Preferably, at least two bearing grooves are respectively arranged on the Y-direction sliding fixing seat and the X-direction sliding fixing seat, and screw holes are formed at the edges of the bearing grooves; the Y-direction sliding bearing is embedded with the Y-direction sliding fixing seat through the bearing groove, and the X-direction sliding fixing seat is embedded with the X-direction sliding fixing seat through the bearing groove; the Y-direction sliding bearing and the X-direction sliding bearing are both provided with spring through holes.
Preferably, one end of the XY sliding bearing fixing seat, which is close to the Y-direction sliding fixing seat, is fixed with the Y-direction sliding bearing through a Y-direction return spring, and the Y-direction return spring is inserted into a spring through hole of the Y-direction sliding bearing; one end of the XY sliding bearing fixing seat, which is close to the X-direction sliding fixing seat, is fixed with the X-direction sliding bearing through an X-direction return spring, and the X-direction return spring is inserted into a spring through hole of the X-direction sliding bearing.
By adopting the technical scheme, the XY sliding bearing fixing seat keeps a relatively stable position through the sliding bearing and the fixing seat, but the stability can not limit the displacement space between the XY sliding bearing fixing seat and the fixing seat, and a balance is achieved between the XY sliding bearing fixing seat and the fixing seat, so that the stability of the whole structure of the mechanism is facilitated, and the buffering capacity required by the XY sliding bearing fixing seat can not be influenced.
Preferably, two ends of the Y-direction sliding fixing seat along the trend of the Y-direction return spring are provided with Y-direction spring pressing plates; and the X-direction spring pressing plates are arranged and installed at the two ends of the X-direction sliding fixing seat along the trend of the X-direction return spring.
Preferably, the Y-direction spring pressing plate and the X-direction spring pressing plate are provided with mounting holes, and the mounting holes are correspondingly connected with the screw holes.
By adopting the technical scheme, the spring pressing plate protects the sliding bearing and the return spring inside the sliding fixing seat, and further buffers impact and possible damage to the mechanism caused by external force.
Preferably, the two ends of the X-direction sliding fixing seat along the Y-direction return spring are provided with tool mounting grooves.
By adopting the technical scheme, the whole mechanism is favorably fixed with the measuring tool, and the anti-collision and automatic return positioning functions are achieved by means of the buffer capacity of the mechanism.
The utility model has the beneficial effects that: 1) Multi-angle, all-round collision buffering; 2) The installation is convenient, and the structure is simple; 3) The mechanism is compact and maintains a high degree of self-return performance.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a mechanism;
FIG. 2 is an exploded view of the overall structure of the mechanism;
FIG. 3 is an isometric view of the Y-direction;
fig. 4 is an axial side view of the X-direction.
Reference numerals: 1. an upper fixing seat; 2. a limiting end cover; 3. a Z-direction sliding shaft; 4. y-direction sliding fixing seat; 5. a Y-direction spring pressing plate; 6. the X-direction sliding fixing seat; 7. an X-direction spring pressing plate; 8. a Z-direction return spring; 9. y-direction sliding bearings; 10. a Y-direction return spring; 11. XY sliding bearing fixing seat; 12. an X-direction sliding bearing; 13. an X-direction return spring; 14. a bearing groove; 15. a limiting gasket; 16. a mounting hole; 17. a screw hole; 18. and a tool mounting groove.
The specific embodiment is as follows:
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.
As shown in fig. 1 and 2, a spatial three-degree-of-freedom anti-collision positioning mechanism capable of automatically returning comprises: an upper fixing seat 1, an X-direction sliding fixing seat 6, a Y-direction sliding fixing seat 4 and an XY sliding bearing fixing seat 11; a positioning pin is arranged on the upper fixed seat 1, a Z-direction sliding shaft 3 is inserted in the positioning pin, one end of the Z-direction sliding shaft 3 is fixed on a Y-direction sliding fixed seat 4, and the other end of the Z-direction sliding shaft is provided with a limiting end cover 2; the X-direction sliding fixing seat 6 and the Y-direction sliding fixing seat 4 are buckled on the XY sliding bearing fixing seat 11.
The Z-direction sliding shaft 3 is provided with a Z-direction return spring 8 and a limit gasket 15, the Z-direction return spring 8 is arranged between the upper fixing seat 1 and the Y-direction sliding fixing seat 4, the limit gasket is arranged between the upper fixing seat 1 and the limit end cover 2, the limit gasket 15 can effectively protect the impact force of the upper fixing seat 1 caused by the deformation of the spring of the limit end cover 2, and prevent the limit end cover 2 from wearing after long-time use and not having displacement limiting effect on the upper fixing seat 1.
At least two bearing grooves 14 are respectively arranged on the Y-direction sliding fixed seat 4 and the X-direction sliding fixed seat 6, and screw holes 17 are arranged at the edges of the bearing grooves 14; the Y-direction sliding bearing 9 is embedded with the Y-direction sliding fixed seat 4 through the bearing groove 14, and the X-direction sliding fixed seat 6 is embedded with the X-direction sliding fixed seat 6 through the bearing groove 14; the Y-direction sliding bearing 9 and the X-direction sliding bearing 12 are both provided with spring through holes. The mode is favorable for protecting the internal structure of the mechanism, and the embedded mode enables the sliding fixing seat to be connected up and down more tightly, and the whole buffering capacity is not influenced by tightness in the second period.
One end of the XY sliding bearing fixing seat 11, which is close to the Y-direction sliding fixing seat 4, is fixed with the Y-direction sliding bearing 9 through a Y-direction return spring 10, and the Y-direction return spring 10 is inserted into a spring through hole of the Y-direction sliding bearing 9; one end of the XY sliding bearing fixing seat 11, which is close to the X-direction sliding fixing seat 6, is fixed with the X-direction sliding bearing 12 through an X-direction return spring 13, and the X-direction return spring 13 is inserted into a spring through hole of the X-direction sliding bearing 12.
Two ends of the Y-direction sliding fixing seat 4 along the Y-direction return spring 10 are provided with Y-direction spring pressing plates 5; the X-direction spring pressing plates 7 are arranged at two ends of the X-direction sliding fixing seat 6 along the trend of the X-direction return springs 13.
The Y-direction spring pressing plate 5 and the X-direction spring pressing plate 7 are provided with mounting holes 16, and the mounting holes 16 are correspondingly connected with screw holes 17. The mode is convenient for protect the spring inside from being directly impacted by external force, and the impact force is averaged to the plane of the whole plate, so that the damage to the mechanism is slowed down, and the service life is prolonged.
The two ends of the X-direction sliding fixing seat 6 along the Y-direction return spring 10 are provided with tool mounting grooves 18, and the mode is beneficial to fixing the whole mechanism with a measuring tool.
The working process of the utility model comprises the following steps:
the assembly mode of the mechanism is that from top to bottom:
1) The upper fixing seat 1 is dynamically fixed with an up-down moving mechanism, the limiting end cover 2 is fixed with the Z-direction sliding shaft 3, a limiting gasket 15 is arranged between the limiting end cover 2 and the upper fixing seat 1, four Z-direction return springs 8,Z are sleeved between the upper fixing seat 1 and the Y-direction sliding fixing seat 4 and are inserted into 4 positioning pin holes on the Y-direction sliding fixing seat 4, and the parts form a Z-direction return buffer part;
2) The Y-direction sliding bearings 9 are embedded into the Y-direction sliding fixed seat 4 and then locked by jackscrew holes on the Y-direction sliding fixed seat 4, the XY-direction sliding bearing fixed seat 11 is inserted into two sides of the two Y-direction sliding bearings 9, two Y-direction return springs 10 are plugged again, the mounting holes 16 of the Y-direction spring pressing plates 5 are in one-to-one correspondence with screw holes 17 on the Y-direction sliding fixed seat 4, and the Y-direction spring pressing plates 5 on two sides are pressed by screws, so that the Y-direction return floating can be completed;
3) The two X-direction sliding bearings 12 are inserted into the XY sliding bearing fixing seat 11, the X-direction sliding fixing seat 6 is sleeved on the X-direction sliding bearing 12 to be jacked, the two X-direction return springs 13 are inserted, and finally the two X-direction spring pressing plates 7 are fixed through the mounting holes 16 of the X-direction spring pressing plates 7 and the screw holes 17 on the X-direction sliding fixing seat 6 in a one-to-one correspondence manner;
4) The X-direction sliding fixing seat 6 is fixed with the tool through the tool mounting groove 18, when the tool collides with an object, the tool can be correspondingly offset and adapted in the XYZ direction according to tool guiding, and the automatic return space three-degree-of-freedom anti-collision positioning mechanism can be automatically reset when the tool leaves the object.
Claims (7)
1. An automatic return spatial three-degree-of-freedom anti-collision positioning mechanism, which is characterized by comprising: the device comprises an upper fixing seat (1), an X-direction sliding fixing seat (6), a Y-direction sliding fixing seat (4) and an XY sliding bearing fixing seat (11); a positioning pin is arranged on the upper fixed seat (1), a Z-direction sliding shaft (3) is inserted in the positioning pin, one end of the Z-direction sliding shaft (3) is fixed on the Y-direction sliding fixed seat (4), and the other end of the Z-direction sliding shaft is provided with a limiting end cover (2); the X-direction sliding fixing seat (6) and the Y-direction sliding fixing seat (4) are buckled on the XY sliding bearing fixing seat (11).
2. The self-return spatial three-degree-of-freedom anti-collision positioning mechanism according to claim 1, wherein a Z-direction return spring (8) and a limiting gasket (15) are arranged on the Z-direction sliding shaft (3), the Z-direction return spring (8) is arranged between the upper fixing seat (1) and the Y-direction sliding fixing seat (4), and the limiting gasket is arranged between the upper fixing seat (1) and the limiting end cover (2).
3. The self-return spatial three-degree-of-freedom anti-collision positioning mechanism according to claim 2, wherein at least two bearing grooves (14) are respectively arranged on the Y-direction sliding fixed seat (4) and the X-direction sliding fixed seat (6), and screw holes (17) are arranged at the edges of the bearing grooves (14); the Y-direction sliding bearing (9) is embedded with the Y-direction sliding fixed seat (4) through the bearing groove (14), and the X-direction sliding fixed seat (6) is embedded with the X-direction sliding fixed seat (6) through the bearing groove (14); the Y-direction sliding bearing (9) and the X-direction sliding bearing (12) are both provided with spring through holes.
4. A self-return spatial three-degree-of-freedom anti-collision positioning mechanism according to claim 3, characterized in that one end of an XY sliding bearing fixing seat (11) close to the Y sliding fixing seat (4) is fixed with a Y sliding bearing (9) through a Y return spring (10), and the Y return spring (10) is inserted into a spring through hole of the Y sliding bearing (9); one end of the XY sliding bearing fixing seat (11) close to the X-direction sliding fixing seat (6) is fixed with the X-direction sliding bearing (12) through an X-direction return spring (13), and the X-direction return spring (13) is inserted into a spring through hole of the X-direction sliding bearing (12).
5. The self-return spatial three-degree-of-freedom anti-collision positioning mechanism according to claim 4, wherein the two ends of the Y-direction sliding fixing seat (4) along the trend of the Y-direction return spring (10) are provided with Y-direction spring pressing plates (5); the X-direction spring pressing plates (7) are arranged at two ends of the X-direction sliding fixing seat (6) along the trend of the X-direction return springs (13).
6. The self-return spatial three-degree-of-freedom anti-collision positioning mechanism according to claim 5, wherein the Y-direction spring pressing plate (5) and the X-direction spring pressing plate (7) are provided with mounting holes (16), and the mounting holes (16) are correspondingly connected with screw holes (17).
7. The self-return spatial three-degree-of-freedom anti-collision positioning mechanism according to claim 5, wherein the two ends of the X-direction sliding fixing seat (6) along the Y-direction return spring (10) are provided with tool mounting grooves (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320565120.0U CN219737542U (en) | 2023-03-21 | 2023-03-21 | Spatial three-degree-of-freedom anti-collision positioning mechanism capable of automatically returning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320565120.0U CN219737542U (en) | 2023-03-21 | 2023-03-21 | Spatial three-degree-of-freedom anti-collision positioning mechanism capable of automatically returning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219737542U true CN219737542U (en) | 2023-09-22 |
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ID=88057401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320565120.0U Active CN219737542U (en) | 2023-03-21 | 2023-03-21 | Spatial three-degree-of-freedom anti-collision positioning mechanism capable of automatically returning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219737542U (en) |
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2023
- 2023-03-21 CN CN202320565120.0U patent/CN219737542U/en active Active
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