CN216770854U - Linear driver torque testing device - Google Patents
Linear driver torque testing device Download PDFInfo
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- CN216770854U CN216770854U CN202123042663.4U CN202123042663U CN216770854U CN 216770854 U CN216770854 U CN 216770854U CN 202123042663 U CN202123042663 U CN 202123042663U CN 216770854 U CN216770854 U CN 216770854U
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- spline
- torque testing
- testing device
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Abstract
The utility model discloses a torque testing device of a linear driver, which comprises: a support part for supporting the moving part of the linear actuator, the support part including a support plate; the positioning part is used for positioning a fixing part of the linear driver and comprises a positioning seat and two positioning plates arranged on two sides of the positioning seat respectively, the positioning seat is provided with a containing groove, the two positioning plates are fixed on the supporting plate, and each positioning plate is provided with a containing notch; the test section, the test section is including servo motor, torque sensor and the spline spanner that links gradually, and the spline pole of spline spanner is used for cooperateing with the rotating part of linear drive ware. According to the spline wrench, the linear smooth movement of the moving part is ensured through the supporting part and the guide assembly, the fixing part of the linear driver can be stabilized through the arrangement of the positioning part, the shaking is avoided, the spline rod and the limiting hole of the spline wrench can be stably matched with the rotating part of the linear driver, multiple guarantees are achieved, and the accuracy and the precision of the tested torque value are improved.
Description
Technical Field
The utility model relates to the technical field of linear drivers, in particular to a torque testing device of a linear driver.
Background
A linear drive is a transmission that is capable of linear movement. The magnitude of the torque of a linear drive is related to its performance. If the torque of the product is too large, the client motor can be still, and the linear driver cannot work normally; if the torque is too low, it may be that the interior of the product is not locked in place, which also affects the operating efficiency and life of the linear actuator. Therefore, the torque value of the linear drive needs to be tested before the linear drive is shipped. However, manual testing is generally adopted in the prior art, so that the testing efficiency is low, and the testing result is inaccurate.
SUMMERY OF THE UTILITY MODEL
In view of the deficiencies of the prior art, the present invention provides a torque testing device for a linear actuator.
In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:
a linear drive torque testing apparatus comprising:
a support part for supporting the moving part of the linear actuator, the support part including a support plate;
the positioning part is used for positioning the fixing part of the linear driver and comprises a positioning seat and two positioning plates respectively arranged at two sides of the positioning seat, the positioning seat is provided with an accommodating groove, the two positioning plates are both fixed on the supporting plate, and each positioning plate is provided with an accommodating notch;
the test portion, the test portion is including servo motor, torque sensor and the spline spanner that connects gradually, the spline pole of spline spanner be used for with the rotating part of linear actuator cooperatees.
As a further improvement of the utility model, the support plate is arranged obliquely.
As a further improvement of the utility model, a guide component is arranged on the supporting plate.
As a further improvement of the utility model, the guide assembly comprises two slide rails, a slide block assembly arranged on the two slide rails, and a limit assembly arranged on the slide block assembly, wherein the limit assembly comprises a base plate, an accommodating seat fixed on the base plate, and two limit cylinders arranged on the accommodating seat, and the accommodating seat is provided with an accommodating cavity.
As a further improvement of the utility model, the free end of the piston rod of the limiting cylinder is conical.
As a further improvement of the present invention, the accommodating groove includes a first accommodating groove and a second accommodating groove disposed on a bottom wall of the first accommodating groove.
As a further improvement of the utility model, each positioning plate is also provided with an L-shaped notch.
As a further improvement of the utility model, the spline rod is provided with a limit hole, and the limit hole extends along the axial direction.
As a further improvement of the present invention, the support portion further includes a stand, and an upper portion of the stand is fixed to an upper portion of the support plate.
As a further improvement of the utility model, a reinforcing frame is connected between the lower part of the stand and the lower part of the supporting plate.
The utility model has the beneficial effects that:
the utility model realizes the support of the moving part of the linear driver through the supporting part, and simultaneously, the spline wrench is matched with the guide assembly for limiting, so that the linear and smooth movement of the moving part is ensured, the arrangement of the positioning part can stabilize the fixing part of the linear driver, the shaking is avoided, the spline rod and the limiting hole of the spline wrench can be matched with the rotating part of the linear driver for stabilization, multiple guarantees are provided, the accuracy and the precision of the tested torque value are improved, the repeated adjustment and rework in the testing process are avoided, the testing qualification rate is improved, the automatic detection is realized, the detection efficiency is high, and the cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a perspective view of a preferred embodiment of the present invention;
FIG. 2 is an enlarged view of A in FIG. 1;
FIG. 3 is a left side view of the preferred embodiment of the present invention;
FIG. 4 is a right side view of the preferred embodiment of the present invention;
FIG. 5 is a rear view of the preferred embodiment of the present invention;
FIG. 6 is a top view of a preferred embodiment of the present invention;
FIG. 7 is a partial sectional view taken along line B-B of FIG. 6;
FIG. 8 is a schematic diagram of a linear driver under test according to a preferred embodiment of the present invention disposed on a testing apparatus;
in the figure: 10. linear drive, 101, the mobile portion, 102, the fixed part, 103, the rotating part, 20, the supporting part, 201, the supporting plate, 202, the slide rail, 203, the base plate, 204, the seat of holding, 205, spacing cylinder, 206, the chamber of holding, 207, the piston rod, 208, the slider, 209 grudging post, 210, the reinforcing frame, 30, the location portion, 301, the positioning seat, 302, the locating plate, 303, the holding tank, 304, the holding breach, 305, the first holding tank, 306, the second holding tank, 307, L shape breach, 40, the test portion, 401, servo motor, 402, torque sensor, 403, spline wrench, 404, spline rod, 405, spacing hole, 406, motor frame, 407, first shaft coupling, 408, second shaft coupling, 50, workstation, 60, switch board, 601, torque display.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all 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 8, the present invention provides a torque testing apparatus for a linear actuator 10, including a supporting portion 20, a positioning portion 30 and a testing portion 40, wherein the supporting portion 20 is used for supporting a moving portion 101 of the linear actuator 10, and the supporting portion 20 includes a supporting plate 201; the positioning part 30 is used for positioning the fixing part 102 of the linear driver 10, the positioning part 30 includes a positioning seat 301 and two positioning plates 302 respectively disposed at two sides of the positioning seat 301, the positioning seat 301 is provided with an accommodating groove 303, both the two positioning plates 302 are fixed to the supporting plate 201, and each positioning plate 302 is provided with an accommodating notch 304; the test section 40 includes a servo motor 401, a torque sensor 402, and a spline wrench 403 connected in sequence, and a spline shaft 404 of the spline wrench 403 is used for engaging with the rotating portion 103 of the linear actuator 10.
Referring to fig. 3 and 4, in order to improve the stability of the movement of the moving part 101 on the supporting plate 201, the supporting plate 201 is preferably disposed to be inclined.
In the present embodiment, a guide assembly is disposed on the supporting plate 201, and the linear movement of the moving part 101 is limited by the guide assembly, so that the accuracy of the test is improved.
Specifically, the direction subassembly includes two slide rails 202, locate the slider assembly on two slide rails 202, locate the spacing subassembly on the slider assembly, spacing subassembly includes base plate 203, fix and hold seat 204 and set up two spacing cylinders 205 on holding seat 204 on base plate 203, it is provided with and holds chamber 206 to hold seat 204, it cooperatees with removal portion 101 to hold chamber 206, the free end of piston rod 207 of spacing cylinder 205 can stretch into and hold in the chamber 206 simultaneously, can support removal portion 101, dual injecture makes removal portion 101 stabilize and holds seat 204 department. Of course, in other embodiments, the substrate 203 and the receiving seat 204 may be integrally formed.
More specifically, the slider assembly includes four sliders 208, and the four sliders 208 are fixed around the bottom end of the base plate 203.
More specifically, referring to fig. 7 and 8, the free end of the piston rod 207 of the limiting cylinder 205 is tapered and can be matched with a tapered groove (not shown) formed on the moving portion 101, so that the piston rod 207 abuts against the moving portion 101 more stably.
In order to further improve the stability of the support portion 20, it is preferable that the support portion 20 further includes a stand 209, and an upper portion of the stand 209 is fixed to an upper portion of the support plate 201.
Further, a reinforcing frame 210 is connected between the lower portion of the stand 208 and the lower portion of the support plate 201, so that the support portion 20 is more stable.
To facilitate the accommodation of the fixing portion 102, the accommodating groove 303 preferably includes a first accommodating groove 305 and a second accommodating groove 306 disposed on a bottom wall of the first accommodating groove 305.
Referring to fig. 6, it is preferable that each positioning plate 302 further has an L-shaped notch 307, two sides of the supporting plate 201 are respectively placed into the two L-shaped notches 307, and the positioning plate 302 and the supporting plate 201 can be locked by screws, so as to realize the stable connection between the supporting plate 201 and the positioning plate 302.
In this embodiment, please refer to fig. 2 and 8, the spline rod 404 is provided with a limiting hole 405, and the limiting hole 405 extends along the axial direction, so that a protruding portion in the rotating portion 103 is conveniently placed in the limiting hole 405, and the stability of the spline rod 404 in matching with the rotating portion 103 is improved.
A table 50 is further provided, and the support part 20, the positioning part 30, and the test part 40 are all provided on the table 50. A motor mount 406 is fixed to the table 50, and the servo motor 401 is mounted on the motor mount 406. In order to improve the connection stability between the servo motor 401, the torque sensor 402 and the spline wrench 403, it is preferable that a first coupling 407 is connected between the output shaft of the servo motor 401 and one end of the torque sensor 402, and a second coupling 408 is connected between the other end of the torque sensor 402 and the spline wrench 403.
A control cabinet 60 is further provided, a torque display 601 is provided on the control cabinet 60, and the torque value detected by the torque sensor 402 is displayed through the torque display 601.
When the linear driver is used, the fixing part 102 of the linear driver 10 to be tested is placed at the accommodating groove 303 and the two accommodating gaps 304, the moving part 101 is placed in the accommodating cavity 206, the piston rod 207 of the limiting cylinder 205 abuts against the moving part 101, and the spline rod 404 of the spline wrench 403 extends into the rotating part 103 to be in key fit with the rotating part 103. According to the torque value required by the linear driver 10, the rotation angle of the servo motor 401 is set in the control cabinet 60, the servo motor 401 is started, the torque sensor 402 is driven to rotate by the first coupler 407, the torque sensor 402 drives the spline wrench 403 to rotate by the second coupler 408, the spline wrench 403 drives the rotating part 103 to rotate by the spline rod 404, the moving part 101 is linearly moved by the gear and lead screw structure of the linear driver 10, and when the servo motor 401 stops working, the torque sensor 402 transmits the torque value of the linear driver 10 to the control cabinet 60 and displays the torque value by the torque display 601. If the torque value is within the required range, the tested linear drive 10 is qualified; if too large or too small a torque value indicates that the tested linear drive 10 is defective, the tested linear drive 10 is removed from the structure in which the linear drive 10 is readjusted and tested.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A linear drive torque testing apparatus, comprising:
a support part for supporting the moving part of the linear actuator, the support part including a support plate;
the positioning part is used for positioning the fixing part of the linear driver and comprises a positioning seat and two positioning plates respectively arranged at two sides of the positioning seat, the positioning seat is provided with an accommodating groove, the two positioning plates are both fixed on the supporting plate, and each positioning plate is provided with an accommodating notch;
the test portion, the test portion is including servo motor, torque sensor and the spline spanner that connects gradually, the spline pole of spline spanner be used for with the rotating part of linear actuator cooperatees.
2. The linear drive torque testing device of claim 1, wherein the support plate is disposed at an incline.
3. The linear drive torque testing device of claim 2, wherein a guide assembly is disposed on the support plate.
4. The linear driver torque testing device according to claim 3, wherein the guiding assembly comprises two slide rails, a slider assembly arranged on the two slide rails, and a limiting assembly arranged on the slider assembly, the limiting assembly comprises a base plate, an accommodating seat fixed on the base plate, and two limiting cylinders arranged on the accommodating seat, and the accommodating seat is provided with an accommodating cavity.
5. The linear actuator torque testing device of claim 4, wherein the free end of the piston rod of the spacing cylinder is tapered.
6. The linear drive torque testing apparatus of claim 1, wherein the receiving slot includes a first receiving slot, a second receiving slot disposed at a bottom wall of the first receiving slot.
7. The linear drive torque testing device of claim 1, wherein each of said positioning plates is further provided with an L-shaped notch.
8. The linear driver torque testing device of claim 1, wherein the splined rod is provided with a limit hole extending axially.
9. The linear drive torque testing device of claim 1, wherein the support portion further includes a stand, an upper portion of the stand being secured with an upper portion of the support plate.
10. The linear drive torque testing apparatus of claim 9, wherein a reinforcing frame is connected between a lower portion of the stand and a lower portion of the support plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123042663.4U CN216770854U (en) | 2021-12-06 | 2021-12-06 | Linear driver torque testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123042663.4U CN216770854U (en) | 2021-12-06 | 2021-12-06 | Linear driver torque testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216770854U true CN216770854U (en) | 2022-06-17 |
Family
ID=81964405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123042663.4U Active CN216770854U (en) | 2021-12-06 | 2021-12-06 | Linear driver torque testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216770854U (en) |
-
2021
- 2021-12-06 CN CN202123042663.4U patent/CN216770854U/en active Active
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