CN220170734U - Flexible shaft coating strength testing device - Google Patents
Flexible shaft coating strength testing device Download PDFInfo
- Publication number
- CN220170734U CN220170734U CN202320850077.2U CN202320850077U CN220170734U CN 220170734 U CN220170734 U CN 220170734U CN 202320850077 U CN202320850077 U CN 202320850077U CN 220170734 U CN220170734 U CN 220170734U
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- Prior art keywords
- wheel
- flexible shaft
- main frame
- rubber wheel
- testing device
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- 238000012360 testing method Methods 0.000 title claims abstract description 56
- 239000011248 coating agent Substances 0.000 title claims abstract description 38
- 238000000576 coating method Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 description 7
- 230000033001 locomotion Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
Abstract
The utility model relates to the field of flexible shafts, in particular to a flexible shaft coating strength testing device, which comprises a main frame, wherein a clamping assembly is fixedly arranged on the main frame, a first rubber wheel and a second rubber wheel are further arranged on the main frame, a testing wheel is rotatably arranged below the first rubber wheel, the testing wheel can move up and down, a driven wheel is arranged below the second rubber wheel, and the driven wheel can move up and down. According to the utility model, through the arrangement of the test wheel, the first rubber wheel and the clamping assembly, the ultimate stress of the flexible shaft coating can be tested through the force application of the test wheel, so that the strength of the flexible shaft coating can be accurately measured; according to the utility model, the positioning seat is arranged, so that the strength of the flexible shaft coating can be tested in two axial directions, and then the average is carried out, thereby improving the accuracy of data.
Description
Technical Field
The utility model relates to the field of flexible shafts, in particular to a flexible shaft coating strength testing device.
Background
The flexible shaft is a shaft with small rigidity and elasticity and free bending transmission. For coupling two shafts, different axes and not in the same direction or with relative motion, to transmit rotational motion and torque. Rotational movement and torque can be flexibly transmitted to any position. The existing flexible shaft often comprises a coating arranged on the central steel wire and used for protecting the central steel wire, reducing abrasion and prolonging service life of the central steel wire.
The coating of the flexible shaft can generate more frequent friction when in use, and when the friction direction is perpendicular to the trend of the flexible shaft, the coating of the flexible shaft is easy to tear, so that the strength test of the coating of the flexible shaft is very necessary. Therefore, it is necessary to design a structure for testing to overcome the above-mentioned drawbacks.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a flexible shaft coating strength testing device, which is realized by the following technical scheme:
the utility model provides a flexible axle coating strength testing arrangement, includes the main frame, fixedly is provided with the clamping assembly on the main frame, still be provided with first rubber wheel and second rubber wheel on the main frame, first rubber wheel below is provided with the test wheel, just the test wheel can reciprocate, second rubber wheel below is provided with from the driving wheel, from the driving wheel can reciprocate.
The technical scheme is as follows: the main frame is used for supporting and arranging other parts; the clamping component is used for fixing the position of one end of the flexible shaft to be tested; the first rubber wheel and the second rubber wheel are respectively matched with the test wheel and the driven wheel so as to realize friction and pulling of the coating; the test wheel rotates, and the first rubber wheel does not rotate, so that the flexible shaft clamped between the test wheel and the first rubber wheel is pulled, and the test is realized; the test wheel and the driven wheel can move up and down, so that the flexible shaft to be tested can be placed at the test position more conveniently.
The utility model is further provided with: the clamping assembly comprises a base and a clamping block, wherein the clamping block is fixedly connected with the main frame and can move up and down.
The technical scheme is as follows: the clamping block and the base are used for fixing one end part of the flexible shaft to be tested; the clamping block can move up and down, so that the distance between the clamping block and the base is changed, and clamping is realized.
The utility model is further provided with: the base is provided with a positioning groove, and one side of the clamping block, which is close to the base, is provided with a rubber block.
The technical scheme is as follows: the positioning groove is used for positioning the flexible shaft and reducing radial shaking of the flexible shaft; the bottom of grip block is provided with the rubber block, and the rubber block deformation when the centre gripping for the centre gripping is more reliable.
The utility model is further provided with: and the main frame is also provided with a positioning seat, and the positioning seat is arranged on one side of the second rubber wheel away from the clamping assembly.
The technical scheme is as follows: the positioning seat is used for supporting and fixing the other side of the flexible shaft to be tested, so that the strength of the flexible shaft in two directions can be tested through forward rotation and reverse rotation of the test wheel.
The utility model is further provided with: one side of the clamping assembly, which is far away from the positioning seat, is provided with a guide block, and the guide block is provided with a guide hole.
The technical scheme is as follows: the guide block is used for determining the trend of the flexible shaft when the flexible shaft to be tested is arranged.
The utility model is further provided with: the guide hole, the positioning groove and the positioning seat are positioned on the same horizontal line.
The technical scheme is as follows: the guide hole, the positioning groove and the positioning seat are positioned on the same horizontal line, so that the flexible shaft can not bend after being placed, and the performance of the coating can be conveniently tested.
The utility model is further provided with: the first rubber wheel is flush with the bottom of the second rubber wheel and is positioned on the same horizontal plane as the positioning seat.
The technical scheme is as follows: the bottoms of the first rubber wheel and the second rubber wheel are flush, so that the flexible shaft is kept horizontal when in contact with the first rubber wheel and the second rubber wheel.
The utility model is further provided with: the testing wheel is arranged on the first sliding block in a rotating mode, and the driven wheel is arranged on the second sliding block in a rotating mode.
The technical scheme is as follows: the first sliding block is used for realizing up-and-down movement of the test wheel; the second sliding block is used for realizing the up-and-down movement of the driven wheel.
The utility model discloses a flexible shaft coating strength testing device, which is compared with the prior art:
1. according to the utility model, through the arrangement of the test wheel, the first rubber wheel and the clamping assembly, the ultimate stress of the flexible shaft coating can be tested through the force application of the test wheel, so that the strength of the flexible shaft coating can be accurately measured;
2. according to the utility model, the positioning seat is arranged, so that the strength of the flexible shaft coating can be tested in two axial directions, and then the average is carried out, thereby improving the accuracy of data.
Drawings
FIG. 1 is a schematic illustration of the present utility model;
FIG. 2 is a perspective view of a clamping assembly of the present utility model;
fig. 3 is a side view of the guide block of the present utility model.
Corresponding part names are indicated by numerals and letters in the drawings: 10-a main frame; 101-a first slider; 102-a second slider; 20-a clamping assembly; 201-a base; 201 a-positioning grooves; 202-clamping blocks; 202 a-a rubber block; 30-a first rubber wheel; 40-a second rubber wheel; 50-test wheel; 60-driven wheel; 70-positioning seats; 80-a guide block; 801-guide holes.
Detailed Description
The following describes in detail the examples of the present utility model, which are implemented on the premise of the technical solution of the present utility model, and detailed embodiments and specific operation procedures are given, but the scope of protection of the present utility model is not limited to the following examples.
As shown in fig. 1-3, the device for testing the strength of the flexible shaft coating provided by the utility model comprises a main frame 10, wherein a clamping assembly 20 is fixedly arranged on the main frame 10, a first rubber wheel 30 and a second rubber wheel 40 are further arranged on the main frame 10, a testing wheel 50 is rotatably arranged below the first rubber wheel 30, the testing wheel 50 can move up and down, a driven wheel 60 is arranged below the second rubber wheel 40, and the driven wheel 60 can move up and down. Wherein the diameters of the first rubber wheel 30 and the second rubber wheel 40 are consistent; the test wheel 50 and the driven wheel 60 are of uniform diameter.
As shown in fig. 1-3, the clamping assembly 20 of the flexible shaft coating strength testing device provided by the utility model comprises a base 201 and a clamping block 202, wherein the clamping block 202 is fixedly connected with the main frame 10, and the clamping block 202 can move up and down. Wherein, the clamping block 202 is fixedly arranged on the output end of a first driving cylinder which is vertically arranged.
As shown in fig. 1-3, in the device for testing the strength of a flexible shaft coating provided by the utility model, a positioning groove 201a is formed in a base 201, and a rubber block 202a is arranged on one side, close to the base 201, of a clamping block 202. Wherein, the cross section of the positioning groove 201a is arc; preferably, the central angle of the circular arc pair is 180 degrees; preferably, the rubber block 202a is also provided with a groove, and the central angle of the groove is smaller than 180 degrees.
As shown in fig. 1-3, in the device for testing the strength of a flexible shaft coating according to the present utility model, a positioning seat 70 is further provided on the main frame 10, and the positioning seat 70 is disposed on a side of the second rubber wheel 40 away from the clamping assembly 20. Wherein, the positioning seat 70 is provided with a positioning hole, the trend of the positioning hole is horizontal, and the positioning hole and the positioning groove 201a are located on the same horizontal plane.
As shown in fig. 1-3, in the device for testing strength of a flexible shaft coating according to the present utility model, a guide block 80 is disposed on a side of the clamping assembly 20 away from the positioning seat 70, and a guide hole 801 is disposed on the guide block 80. Wherein the clamping assembly 20, the first rubber wheel 30 and the second rubber wheel 40 are all disposed between the guide block 80 and the positioning seat 70.
As shown in fig. 1-3, in the device for testing the strength of the flexible shaft coating provided by the utility model, the guide hole 801, the positioning groove 201a and the positioning seat 70 are positioned on the same horizontal line.
As shown in fig. 1-3, in the device for testing the strength of the flexible shaft coating according to the present utility model, the first rubber wheel 30 is flush with the bottom of the second rubber wheel 40, and is located on the same horizontal plane as the positioning seat 70.
As shown in fig. 1-3, in the device for testing the strength of a flexible shaft coating according to the present utility model, a first sliding block 101 and a second sliding block 102 are slidably disposed on the main frame 10, the test wheel 50 is rotatably disposed on the first sliding block 101, and the driven wheel 60 is rotatably disposed on the second sliding block 102. Wherein, a driving motor is arranged on the main frame 10, and the output end of the driving motor is connected with the test wheel 50 through a belt; the main frame 10 is provided with a second driving motor and a third driving motor, the first sliding block 101 is fixedly connected to the output end of the second driving motor, and the second sliding block 102 is fixedly connected to the output end of the third driving motor.
The working principle of the utility model is as follows:
a) One end of a flexible shaft to be tested passes through the guide hole and the guide groove until the end reaches the positioning seat;
b) The clamping block descends, the rubber block on the clamping block contacts with the flexible shaft, and the contact area is increased after deformation, so that the clamping block is firmly fixed; c) The first sliding block slides to enable the test wheel to be in contact with the flexible shaft and enable the flexible shaft to be in contact with the first rubber wheel;
d) The second sliding block slides to enable the driven wheel to be in contact with the flexible shaft and enable the flexible shaft to be in contact with the second rubber wheel;
e) The testing wheel rotates positively, the torsion is gradually increased until the coating of the flexible shaft is disconnected, and the tested torsion value is recorded;
f) The clamping mechanism is loosened, then the flexible shaft is taken out, and the flexible shaft is replaced and fixed after the orientation is changed;
g) Reversing the test theory, gradually increasing the torsion until the coating of the flexible shaft is disconnected, and recording the tested torsion value;
h) And (5) combining the torsion values of the two tests, and calculating the tensile ultimate strength of the coating.
The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Claims (8)
1. The utility model provides a flexible axle coating strength testing arrangement which characterized in that: including main frame (10), the fixed clamping assembly (20) that is provided with on main frame (10), still be provided with first rubber wheel (30) and second rubber wheel (40) on main frame (10), first rubber wheel (30) below rotates and is provided with test wheel (50), just test wheel (50) can reciprocate, second rubber wheel (40) below is provided with from driving wheel (60), from driving wheel (60) can reciprocate.
2. The flexible shaft coating strength testing device according to claim 1, wherein: the clamping assembly (20) comprises a base (201) and a clamping block (202), wherein the clamping block (202) is fixedly connected with the main frame (10), and the clamping block (202) can move up and down.
3. The flexible shaft coating strength testing device according to claim 2, wherein: the base (201) is provided with a positioning groove (201 a), and one side, close to the base (201), of the clamping block (202) is provided with a rubber block (202 a).
4. A flexible shaft coating strength testing device according to claim 3, wherein: the main frame (10) is also provided with a positioning seat (70), and the positioning seat (70) is arranged on one side, far away from the clamping assembly (20), of the second rubber wheel (40).
5. The flexible shaft coating strength testing device according to claim 4, wherein: one side of the clamping assembly (20) far away from the positioning seat (70) is provided with a guide block (80), and the guide block (80) is provided with a guide hole (801).
6. The flexible shaft coating strength testing device according to claim 5, wherein: the guide hole (801), the positioning groove (201 a) and the positioning seat (70) are positioned on the same horizontal line.
7. The flexible shaft coating strength testing device according to claim 6, wherein: the first rubber wheel (30) is flush with the bottom of the second rubber wheel (40) and is positioned on the same horizontal plane as the positioning seat (70).
8. The flexible shaft coating strength testing device according to claim 7, wherein: the testing device is characterized in that a first sliding block (101) and a second sliding block (102) are arranged on the main frame (10) in a sliding mode, the testing wheel (50) is rotatably arranged on the first sliding block (101), and the driven wheel (60) is rotatably arranged on the second sliding block (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320850077.2U CN220170734U (en) | 2023-04-17 | 2023-04-17 | Flexible shaft coating strength testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320850077.2U CN220170734U (en) | 2023-04-17 | 2023-04-17 | Flexible shaft coating strength testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220170734U true CN220170734U (en) | 2023-12-12 |
Family
ID=89066344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320850077.2U Active CN220170734U (en) | 2023-04-17 | 2023-04-17 | Flexible shaft coating strength testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220170734U (en) |
-
2023
- 2023-04-17 CN CN202320850077.2U patent/CN220170734U/en active Active
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