CN213688186U - Centering frock and motor test system's centering frock - Google Patents
Centering frock and motor test system's centering frock Download PDFInfo
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- CN213688186U CN213688186U CN202021636742.0U CN202021636742U CN213688186U CN 213688186 U CN213688186 U CN 213688186U CN 202021636742 U CN202021636742 U CN 202021636742U CN 213688186 U CN213688186 U CN 213688186U
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Abstract
The utility model provides a centering tool and a centering tool of a motor test system, which comprises a base, a first translation device, a second translation device, a third translation device and a part mounting base; the first translation device and the second translation device enable the part mounting base to displace in a horizontal plane, translation directions of the first translation device and the second translation device are mutually vertical, and the third translation device enables the part mounting base to displace in a vertical plane; the first translation device comprises a first translation seat and a first adjusting block; the first adjusting block is fixedly connected with the base, two ends of a first adjusting piece are respectively connected with the first adjusting block and the first translation seat, and the first adjusting piece acts on the first translation seat to change the relative distance between the first adjusting block and the first translation seat; by applying the technical scheme, a plurality of degrees of freedom can be accurately adjusted at the same time.
Description
Technical Field
The utility model relates to the field of machinary, specifically indicate a centering frock of centering frock and motor test system.
Background
In the installation and debugging process of the mechanical part of the motor testing system, the torque sensor is respectively connected with the dynamometer and the tested motor through the coupler, and the output rotating speed and the torque of the tested motor are read. However, because each tool has a manufacturing error, an assembly error exists between a tested motor and a torque sensor coupler and between a dynamometer and the torque sensor coupler in the motor testing system, and the centering quality of the system is affected. In the existing method, the alignment is carried out by adjusting the coaxiality and the straightness between the dynamometer and the torque sensor back and forth, so that the efficiency is low and the alignment accuracy is not high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a centering frock and motor test system's centering frock realizes a plurality of degrees of freedom of accurate adjustment simultaneously.
In order to solve the technical problem, the utility model provides a centering tool, which comprises a base, a first translation device, a second translation device, a third translation device and a part mounting base; the first translation device and the second translation device enable the part mounting base to displace in a horizontal plane, translation directions of the first translation device and the second translation device are mutually vertical, and the third translation device enables the part mounting base to displace in a vertical plane;
the first translation device comprises a first translation seat and a first adjusting block; the first adjusting block is fixedly connected with the base, two ends of a first adjusting piece are respectively connected with the first adjusting block and the first translation seat, and the first adjusting piece acts on the first translation seat to change the relative distance between the first adjusting block and the first translation seat;
the second translation device comprises a second translation seat and a second adjusting block; the second adjusting block is fixedly connected with the first translation seat, two ends of the second adjusting piece are respectively connected with the second translation seat and the second adjusting block, and the second adjusting piece acts on the second translation seat to change the relative distance between the second adjusting block and the second translation seat;
the third translation device comprises a third adjusting block, a fourth adjusting block and a third adjusting piece; the third adjusting block and the fourth adjusting block are both connected with the third adjusting piece; inclined guide blocks are respectively arranged above the third adjusting block and the fourth adjusting block; the two inclined guide blocks are arranged in an axial symmetry mode in the inclined direction; two guide matching grooves are axially symmetrically arranged on the surface, facing the third translation device, of the part mounting seat surface, and the two guide matching grooves are respectively in sliding connection and matching with the two inclined guide blocks; and rotating the third adjusting piece to enable the third adjusting block and the fourth adjusting block to move in opposite directions or in the opposite directions, so that the part mounting seat moves up and down.
In a preferred embodiment, a rotating groove is arranged on the bottom surface of the base; the base is jacked up by extending a rotating shaft into the rotating groove, and the base is rotated to rotate by taking the rotating shaft as a center.
In a preferred embodiment, the third adjusting member is embodied as a first adjusting screw, and the transmission screw threads at two ends of the first adjusting screw are opposite in direction; two ends of the first adjusting screw respectively form a thread transmission pair with the third adjusting block and the fourth adjusting block; and the relative movement of the third adjusting block and the fourth adjusting block is realized by rotating the first adjusting screw rod.
In a preferred embodiment, the device further comprises a guide seat; the guide seat is provided with an accommodating cavity; the third adjusting block is sleeved on the guide seat in a sliding manner and is provided with a first connecting block extending to the accommodating cavity; the fourth adjusting block is sleeved on the guide seat in a sliding mode and provided with a second connecting block extending to the accommodating cavity; the first adjusting screw penetrates through the accommodating cavity, the first connecting block and the second connecting block.
In a preferred embodiment, a first through screw hole is formed in an end portion of the guide seat and used for allowing the first adjusting screw to pass through, and a circle of first scales is arranged on the periphery of the first through screw hole. In a preferred embodiment, the first adjusting member and the second adjusting member are a second adjusting screw and a third adjusting screw, respectively; the first adjusting block is connected with the first translation seat through the second adjusting screw rod; the second adjusting block is connected with the second translation seat through a third adjusting screw rod;
rotating the second adjusting screw to adjust the distance between the first adjusting block and the first translation seat; and rotating the third adjusting screw to adjust the distance between the second adjusting block and the second translation seat.
In a preferred embodiment, the first adjusting block and the second adjusting block are respectively provided with a second through screw hole and a third through screw hole for the second adjusting screw rod and the third adjusting screw rod to pass through; the periphery that the second runs through the screw is provided with round evenly distributed's second scale, the periphery that the third runs through the screw is provided with round evenly distributed's third scale.
In a preferred embodiment, a rotation limiting mechanism is arranged on one side or two sides of the base and used for limiting the maximum rotation angle of the base.
In a preferred embodiment, a first guide rail is arranged on the base, and a first guide rail groove for matching with the first guide rail is arranged on one surface of the first translation seat facing the base; moving the moving direction of the first translation base along the setting direction of the first guide rail;
a second guide rail is arranged on the first translation seat, and a second guide rail groove used for matching with the second guide rail is arranged on one surface, facing the first translation seat, of the second translation seat; so that the moving direction of the second translation base moves along the setting direction of the second guide rail.
The utility model also provides a centering tool of the motor test system, which adopts the centering tool; the part mounting base is used for mounting the torque sensor.
Compared with the prior art, the technical scheme of the utility model possess following beneficial effect:
the utility model provides a centering frock and motor test system's centering frock, can realize adjusting 4 degrees of freedom simultaneously through the relative movement between base, first translation device, second translation device, the third translation device, be respectively around the translation of three mutually perpendicular directions and around the rotation of vertical direction; and then only need the frock of adjustment part mount pad can realize fast that torque sensor and dynamometer machine high accuracy centering are connected.
Drawings
Fig. 1 is a schematic view of the overall structure of a centering tool in a preferred embodiment of the present invention;
fig. 2 is an exploded view of the centering tool according to the preferred embodiment of the present invention;
fig. 3 is a schematic view of a connection relationship between a first translation seat and a base of the centering tool according to the preferred embodiment of the present invention;
fig. 4 is a schematic view of a connection relationship between a first translation seat and a second translation seat of the centering tool according to the preferred embodiment of the present invention;
fig. 5 is a schematic view of a connection relationship between a second translation seat, a third adjusting block and a fourth adjusting block of the centering tool according to the preferred embodiment of the present invention;
fig. 6 is a schematic view of a position relationship between a part connecting seat and a third adjusting block and a fourth adjusting block of the centering tool according to the preferred embodiment of the present invention;
fig. 7 is a schematic sectional view of the overall structure of the centering tool in the preferred embodiment of the present invention.
Detailed Description
The invention is further described with reference to the drawings and the detailed description.
A centering tool of a motor test system is disclosed, and referring to FIGS. 1 to 7, a centering tool is adopted; the centering tool comprises a base 1, a first translation device, a second translation device, a third translation device and a part mounting base 7; the first translation device and the second translation device enable the part mounting base 7 to displace in the horizontal plane, the translation directions of the first translation device and the second translation device are mutually vertical, and the third translation device enables the part mounting base 7 to displace in the vertical plane; the part mounting base 7 is used for mounting a torque sensor.
The first translation device comprises a first translation seat 2 and a first adjusting block 21; the first adjusting block 21 is fixedly connected with the base 1 or integrally formed with the base 1, two ends of a first adjusting piece are respectively connected with the first adjusting block 21 and the first translation seat 2, and the first adjusting piece acts on the first translation seat 2 to change the relative distance between the first adjusting block 21 and the first translation seat 2; the first adjusting block 21 and the first adjusting member may be provided in one set or two symmetrically provided sets.
The second translation device comprises a second translation seat 3 and a second adjusting block 31; the second adjusting block 31 is fixedly connected with the first translation base 2 or integrally formed with the first translation base 2, two ends of a second adjusting piece are respectively connected with the second translation base 3 and the second adjusting block 31, and the second adjusting piece acts on the second translation base 3 to change the relative distance between the second adjusting block 31 and the second translation base 3; the second adjusting block 31 and the second adjusting member may be one set or two symmetrical sets.
Specifically, the first adjusting piece and the second adjusting piece are a second adjusting screw and a third adjusting screw respectively; the first adjusting block 21 and the first translation base 2 and the second adjusting block 31 and the second translation base 3 are respectively connected through the second adjusting screw and the third adjusting screw; the second adjusting screw is rotated to adjust the distance between the first adjusting block 21 and the first translation seat 2; the third adjusting screw is rotated to adjust the distance between the second adjusting block 31 and the second translation base 3. Specifically, the first adjusting block 21 and the base 1 are connected through the first adjusting block 21 and the base 1, which are respectively provided with a first connecting screw hole 213 and a connecting matching screw hole 13, and then the first adjusting block 21 and the base 1 are fixedly connected through screw fixation. Similarly, the second adjusting block 31 and the first translational seat 2 are fixedly connected through the matching of the screw holes and the screws. Due to the fixed connection between the first adjusting block 21 and the base 1 and the fixed connection between the second adjusting block 31 and the first translation base 2, the relative movement between the first adjusting block 21 and the first translation base 2 is the relative movement between the base 1 and the first translation base 2, and the relative movement between the second adjusting block 31 and the second translation base 3 is the relative movement between the first translation base 2 and the second translation base 3; therefore, the distance between the first adjusting block 21 and the first translation base 2 can be changed along with the rotation of the second adjusting screw by rotating the second adjusting screw, and the position of the thread, which is in fit connection with the second adjusting screw, in the first adjusting block 21 and the first translation base 2 on the second adjusting screw is changed, so that the change of the distance between the first adjusting block 21 and the first translation base 2 is realized; similarly, the change of the distance between the second adjusting block 31 and the second translation stage 3 can be achieved by turning the third adjusting screw.
In order to quantify the displacement of the first translation base 2 and the second translation base 3, the displacement of the first translation base 2 and the second translation base 3 is precisely controlled; the first adjusting block 21 and the second adjusting block 31 are respectively provided with a second through screw hole 211 and a third through screw hole for the second adjusting screw rod and the third adjusting screw rod to pass through; a circle of second scales 212 which are uniformly distributed is arranged on the periphery of the second through screw hole 211, and a circle of third scales which are uniformly distributed is arranged on the periphery of the third through screw hole. Therefore, the rotation angles and the rotation numbers of the second adjusting screw and the third adjusting screw can be accurately controlled, and the displacement of the first translation seat 2 and the second translation seat 3 can be controlled. The more the second mark 212 and the third mark are provided, the more precisely the first translation stage 2 and the second translation stage 3 are controlled.
Specifically, in order to make the moving directions of the first and second translation stages 2 and 3 straight and perpendicular to each other; a first guide rail 11 is arranged on the base 1, and a first guide rail groove 22 used for matching with the first guide rail 11 is arranged on one surface of the first translation seat 2 facing the base 1; so that the moving direction of the first translation stage 2 moves along the setting direction of the first guide rail 11; a second guide rail 23 is arranged on the first translation base 2, and a second guide rail groove 32 used for matching with the second guide rail 23 is arranged on one surface of the second translation base 3 facing the first translation base 2; so that the moving direction of the second carriage 3 moves in the direction in which the second guide rail 23 is disposed. The arrangement directions of the first guide rail 11 and the second guide rail 23 are mutually perpendicular and are on the horizontal plane.
In addition to two mutually perpendicular displacement directions in the horizontal direction, the solution also comprises a third displacement device which is displaced in the vertical direction; the third translation device comprises a third adjusting block 4, a fourth adjusting block 5 and a third adjusting piece; the third adjusting block 4 and the fourth adjusting block 5 are both connected with the third adjusting piece; inclined guide blocks 41 are respectively arranged above the third adjusting block 4 and the fourth adjusting block 5; the two inclined guide blocks 41 are arranged in an axisymmetrical manner in the inclined direction; two guide matching grooves 71 are axially symmetrically arranged on one surface of the part mounting base 7 facing the third translation device, and the two guide matching grooves 71 are respectively matched with the two inclined guide blocks 41 in a sliding connection manner; and rotating the third adjusting piece to enable the third adjusting block 4 and the fourth adjusting block 5 to move towards or away from each other, so that the part mounting base 7 moves up and down. Specifically, the third adjusting part is specifically a first adjusting screw 8, and the transmission thread directions of two ends of the first adjusting screw 8 are opposite; two ends of the first adjusting screw 8 respectively form a thread transmission pair with the third adjusting block 4 and the fourth adjusting block 5; the relative movement of the third adjusting block 4 and the fourth adjusting block 5 is realized by rotating the first adjusting screw 8.
Also comprises a guide seat 6; the guide seat 6 has a receiving cavity 61; the third adjusting block 4 is slidably sleeved on the guide seat 6, and the third adjusting block 4 has a first connecting block extending to the accommodating cavity. The fourth adjusting block 5 is slidably sleeved on the guide seat 6, and the fourth adjusting block 5 is provided with a second connecting block extending to the accommodating cavity. The first connecting block and the second connecting block are provided with opposite transmission threads which are respectively matched with the transmission threads at two ends of the first adjusting screw rod 8, and the first adjusting screw rod 8 penetrates through the guide seat 6, the first connecting block and the second connecting block. The middle part of the first adjusting screw 8 is provided with a circle of rotating part 81; the middle part of the accommodating cavity 61 is provided with a groove 64 for placing and limiting the displacement of the rotating part 81; the first connecting block and the second connecting block are respectively arranged at two sides of the groove 64; the first connecting block and the second connecting block are respectively connected with the first adjusting screw rod 8 through transmission screw holes, and the first connecting block and the second connecting block respectively do reciprocating movement on two sides of the groove 64 through the forward rotation or the reverse rotation of the first adjusting screw rod 8, so that the inclined guide blocks 41 on the third adjusting block 4 and the fourth adjusting block 5 move close to or away from each other; when the two inclined guide blocks 41 move close to each other, the parts mount 7 descends in the vertical direction; when the two inclined guide blocks 41 move away from each other, the parts mount 7 rises in the vertical direction; thereby achieving a displacement in the vertical direction.
Specifically, the second translation base 3 is provided with a second connection screw hole 33 connected with the third adjusting block 4 and the fourth adjusting block 5, and the third adjusting block 4 and the fourth adjusting block 5 are respectively provided with a horizontal sliding long groove 42; the screw penetrates through the horizontal sliding long groove 42 to be fixedly connected with the second connecting screw hole 33; so that the third adjusting block 4 and the fourth adjusting block 5 and the second translation seat 3 are mutually limited in the horizontal direction. The third adjusting block 4 and the fourth adjusting block 5 are further provided with third connecting screw holes 43 respectively, the component mounting base 7 is provided with an inclined sliding long groove 72 parallel to the guide matching groove 71, and the inclined sliding long groove 72 is fixedly connected with the third connecting screw holes 43 through a screw.
In order to control the variation of the displacement in the vertical direction conveniently, a first through screw hole 62 is formed in the end portion of the guide seat 6 and used for allowing the first adjusting screw 8 to pass through, and a circle of first scales 63 are arranged on the periphery of the first through screw hole 62; the ascending or descending displacement of the part mounting seat 7 is measured through the rotating angle and the number of turns of the first adjusting screw 8, and the displacement is accurately controlled.
In order to realize the rotation taking the vertical direction as a central axis, the bottom surface of the base 1 is provided with a rotating groove 14; a rotating shaft (not shown) is fixed on the test bench (not shown), the rotating shaft extends into the rotating groove 14 to jack up the base 1, and the base 1 is rotated to enable the base 1 to rotate around the rotating shaft. One side or two sides of the base 1 are provided with a rotation limiting mechanism for limiting the maximum rotation angle of the base 1. In this embodiment, the rotation limiting mechanism comprises an arc-shaped slot 12 and a limit screw (not shown) which passes through the limit slot and is fixed to the test stand. The arc wall can also evenly be provided with a plurality of scales along its radian direction, rotates base 1 corresponds the scale display on the arc mark through stop screw base 1 pivoted angle to the accurate base 1 pivoted angle of learning.
The utility model provides a centering frock and motor test system's centering frock, can realize adjusting 4 degrees of freedom simultaneously through the relative movement between base 1, first translation device, second translation device, the third translation device, be respectively around the translation of three mutually perpendicular directions and around the rotation of vertical direction; and then only need the frock of adjustment part mount pad 7 can realize fast that torque sensor and dynamometer machine high accuracy centering are connected.
The above, only be the preferred embodiment of the present invention, but the design concept of the present invention is not limited to this, and any skilled person familiar with the technical field is in the technical scope disclosed in the present invention, and it is right to utilize this concept to perform insubstantial changes to the present invention, all belong to the act of infringing the protection scope of the present invention.
Claims (10)
1. A centering tool is characterized by comprising a base, a first translation device, a second translation device, a third translation device and a part mounting base; the first translation device and the second translation device enable the part mounting base to displace in a horizontal plane, translation directions of the first translation device and the second translation device are mutually vertical, and the third translation device enables the part mounting base to displace in a vertical plane;
the first translation device comprises a first translation seat and a first adjusting block; the first adjusting block is fixedly connected with the base, two ends of a first adjusting piece are respectively connected with the first adjusting block and the first translation seat, and the first adjusting piece acts on the first translation seat to change the relative distance between the first adjusting block and the first translation seat;
the second translation device comprises a second translation seat and a second adjusting block; the second adjusting block is fixedly connected with the first translation seat, two ends of the second adjusting piece are respectively connected with the second translation seat and the second adjusting block, and the second adjusting piece acts on the second translation seat to change the relative distance between the second adjusting block and the second translation seat;
the third translation device comprises a third adjusting block, a fourth adjusting block and a third adjusting piece; the third adjusting block and the fourth adjusting block are both connected with the third adjusting piece; inclined guide blocks are respectively arranged above the third adjusting block and the fourth adjusting block; the two inclined guide blocks are arranged in an axial symmetry mode in the inclined direction; two guide matching grooves are axially symmetrically arranged on the surface, facing the third translation device, of the part mounting seat surface, and the two guide matching grooves are respectively in sliding connection and matching with the two inclined guide blocks; and rotating the third adjusting piece to enable the third adjusting block and the fourth adjusting block to move in opposite directions or in the opposite directions, so that the part mounting seat moves up and down.
2. The centering tool as claimed in claim 1, wherein a rotating groove is formed in the bottom surface of the base; the base is jacked up by extending a rotating shaft into the rotating groove, and the base is rotated to rotate by taking the rotating shaft as a center.
3. The centering tool according to claim 2, wherein the third adjusting member is a first adjusting screw, and the directions of the transmission threads at two ends of the first adjusting screw are opposite; two ends of the first adjusting screw respectively form a thread transmission pair with the third adjusting block and the fourth adjusting block; and the relative movement of the third adjusting block and the fourth adjusting block is realized by rotating the first adjusting screw rod.
4. The centering tool as claimed in claim 3, further comprising a guide seat; the guide seat is provided with an accommodating cavity; the third adjusting block is sleeved on the guide seat in a sliding manner and is provided with a first connecting block extending to the accommodating cavity; the fourth adjusting block is sleeved on the guide seat in a sliding mode and provided with a second connecting block extending to the accommodating cavity; the first adjusting screw penetrates through the accommodating cavity, the first connecting block and the second connecting block.
5. The centering tool according to claim 4, wherein a first through screw hole is formed in an end portion of the guide seat and used for allowing the first adjusting screw to pass through, and a circle of first scales is arranged on the periphery of the first through screw hole.
6. The centering tool according to claim 1, wherein the first adjusting member and the second adjusting member are specifically a second adjusting screw and a third adjusting screw, respectively; the first adjusting block is connected with the first translation seat through the second adjusting screw rod; the second adjusting block is connected with the second translation seat through a third adjusting screw rod;
rotating the second adjusting screw to adjust the distance between the first adjusting block and the first translation seat; and rotating the third adjusting screw to adjust the distance between the second adjusting block and the second translation seat.
7. The centering tool according to claim 6, wherein the first adjusting block and the second adjusting block are respectively provided with a second through screw hole and a third through screw hole for the second adjusting screw rod and the third adjusting screw rod to pass through; the periphery that the second runs through the screw is provided with round evenly distributed's second scale, the periphery that the third runs through the screw is provided with round evenly distributed's third scale.
8. The centering tool as claimed in claim 2, wherein one or both sides of the base are provided with a rotation limiting mechanism for limiting the maximum rotation angle of the base.
9. The centering tool according to claim 1, wherein a first guide rail is arranged on the base, and a first guide rail groove for matching with the first guide rail is arranged on one surface of the first translation seat facing the base; moving the moving direction of the first translation base along the setting direction of the first guide rail;
a second guide rail is arranged on the first translation seat, and a second guide rail groove used for matching with the second guide rail is arranged on one surface, facing the first translation seat, of the second translation seat; so that the moving direction of the second translation base moves along the setting direction of the second guide rail.
10. A centering tool of a motor test system, which is characterized by adopting the centering tool of any one of the claims 1 to 9; the part mounting base is used for mounting the torque sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021636742.0U CN213688186U (en) | 2020-08-07 | 2020-08-07 | Centering frock and motor test system's centering frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021636742.0U CN213688186U (en) | 2020-08-07 | 2020-08-07 | Centering frock and motor test system's centering frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213688186U true CN213688186U (en) | 2021-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021636742.0U Active CN213688186U (en) | 2020-08-07 | 2020-08-07 | Centering frock and motor test system's centering frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213688186U (en) |
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2020
- 2020-08-07 CN CN202021636742.0U patent/CN213688186U/en active Active
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