CN210347315U - Testing device for tensile load test and torsion test of wire plug - Google Patents
Testing device for tensile load test and torsion test of wire plug Download PDFInfo
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- CN210347315U CN210347315U CN201920783939.8U CN201920783939U CN210347315U CN 210347315 U CN210347315 U CN 210347315U CN 201920783939 U CN201920783939 U CN 201920783939U CN 210347315 U CN210347315 U CN 210347315U
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Abstract
The utility model provides a test device for electric wire plug tensile load test and torsion test, including quick-witted case, lift portion, twist reverse anchor clamps portion and tensile anchor clamps portion, lift portion is used for providing the load to the electric wire plug, twists reverse anchor clamps portion and tensile anchor clamps portion mainly to be used for fixing the electric wire plug. The test device of the utility model integrates the tensile load test and the torsion test of the wire plug on the same test bed for carrying out, the operation is simple and reliable, and the test cost is effectively reduced; the electric push rod replaces the action of manual weight loading, so that the loading is stable and accurate, and the accuracy of the test result is improved.
Description
Technical Field
The utility model relates to a plug detects technical field, especially relates to a test device that is used for tensile load test of electric wire plug and twists reverse test.
Background
The detection of the wire plug is important for the safety of the electric appliance, wherein the tensile load test and the torsion test of the wire plug are basic detection of the physical properties of the wire plug. At present, specific test devices are not specified and described in relevant standards, corresponding test devices are often used when a tensile load test and a torsion test are performed on an electric wire plug, test cost is increased, and meanwhile, operation is inconvenient, so that a test device capable of rapidly and accurately completing the tensile load test and the torsion test is required to be researched.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the electric wire plug that exists among the prior art need use corresponding test device, test cost height respectively in tensile load test and torsion experiment, and the test device who is used for electric wire plug tensile load test and torsion experiment that proposes, and this test device goes on the tensile load test of electric wire plug and torsion experiment set to same test bench, and easy operation is reliable.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a test device for a tensile load test and a torsion test of an electric wire plug comprises a case, a lifting part, a torsion clamp part and a tensile clamp part, wherein the case comprises a control part and a driving part, the control part is electrically connected with the driving part, and the driving part comprises an electric push rod arranged in the case; the lifting part is arranged right above the electric push rod on the case and comprises a bottom plate, a middle plate, a first connecting column for connecting the bottom plate and the middle plate, a lifting plate capable of sliding up and down along the first connecting column, a weight tray arranged on the lifting plate and weights placed in the weight tray, wherein the bottom plate is provided with a first through hole, and the first through hole, the weight tray, the weights and the electric push rod are coaxially arranged; the torsion clamp part is arranged on the middle plate and comprises a torsion fixing component, a torsion action component and a torsion force application component, the torsion fixing component comprises a left compression screw, a first nut block, a stop block, a second nut block and a right compression screw, the left compression screw penetrates through the first nut block and then is connected with the stop block, the right compression screw penetrates through the second nut block and then is contacted with the stop block, the torsion action component comprises a rotating shaft and a bearing seat, the bearing seat is arranged on the middle plate, the rotating shaft is rotatably fixed on the bearing seat, a groove is arranged on the outer circumferential surface of the rotating shaft, the first nut block and the second nut block are fixed on two positions of the rotating shaft which are symmetrical about a central axis plane, the rotating shaft, the bearing seat and a weight tray are coaxially arranged, the torsion force application component comprises a fixing piece and a guide wheel, one end of the fixing piece is fixed on the middle, the guide wheel is fixed at one suspended end of the fixing piece, a top plate is arranged above the torsion clamp part, and the middle plate and the top plate are connected through a second connecting column; the stretching clamp part is arranged on the top plate, a second through hole is arranged on the top plate and is coaxially arranged with the rotating shaft, the stretching clamp part comprises a stretching support component and a stretching fixing component, the stretching support component comprises a left support piece and a right support piece, the left support piece comprises a left support bottom plate and a left support plate, the left support bottom plate is fixed on the top plate, the left support plate is fixed on the left support bottom plate, the right support piece comprises a right support plate and a right support bottom plate, the right support bottom plate is fixed on the top plate, the right support plate is fixed on the right support bottom plate, the stretching fixing component comprises a left fixing piece and a right fixing piece, the left fixing piece comprises two left rotating screws, a left clamping block I and a left clamping block II, the two left rotating screws penetrate through the left support plate inwards and are connected with the left clamping block I and the left clamping block II respectively, the right fixing piece comprises two right rotating screws, the right clamping block I and the right clamping block II, the two rotating screws penetrate through the right support plate inwards and, the left clamping block I is matched with the right clamping block I, and the left clamping block II is matched with the right clamping block II.
Preferably, the first connecting column is a cylindrical structure, and the lifting plate is provided with a linear bearing sleeved on the first connecting column.
Preferably, the head of the right compression screw is provided with a flange.
Preferably, a transition plate is arranged between the stretching support assembly and the top plate, a third through hole is formed in the transition plate, and the third through hole and the second through hole are coaxially arranged.
Preferably, a positioning sleeve is arranged between the first connecting column and the middle plate, and a positioning sleeve is arranged between the second connecting column and the middle plate.
Preferably, the central position of the lower end surface of the lifting plate is provided with an annular bulge.
Preferably, the left supporting member and the right supporting member are symmetrically arranged about a central axis of the second through hole.
Preferably, the middle parts of the front ends of the left clamping block I, the left clamping block II, the right clamping block I and the right clamping block II are respectively provided with an arc-shaped groove. Furthermore, semi-circular grooves are formed in the middle of the front ends of the left clamping block I, the left clamping block II, the right clamping block I and the right clamping block II.
Preferably, the top plate is detachably connected with the second connecting column.
Compared with the prior art, the beneficial effects of the utility model are that: the tensile load test and the torsion test of the wire plug are integrated on the same test bed for carrying out, the operation is simple and reliable, and the test cost is effectively reduced; the electric push rod replaces the action of manual weight loading, so that the loading is stable and accurate, and the accuracy of the test result is improved.
Drawings
Fig. 1 is a schematic structural diagram of a testing apparatus for a tensile load test and a torsion test of a wire plug according to an embodiment of the present invention;
FIG. 2 is a schematic view of the lifting portion of FIG. 1;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1;
fig. 4 is an enlarged schematic view of a portion B in fig. 1.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.
Referring to fig. 1 to 4, the testing apparatus for tensile load test and torsion test of an electric wire plug of the present invention includes a case 1, a lifting unit 2, a torsion clamp unit 3, and a tensile clamp unit 4.
Referring to fig. 1, a chassis 1 includes a control portion 11 and a driving portion, the control portion 11 is electrically connected to the driving portion, the driving portion includes an electric push rod 12 disposed inside the chassis, and an output end of the control portion 11 is electrically connected to an input end of the electric push rod 12. The control part 11 may include a touch screen and a signal control unit, the touch screen may be used for a user to set time and times required for a test, and transmit instructions to the driving part through the signal control unit, for example, to control the electric push rod 12 to perform a lifting motion. The case 1 is provided with a power switch 13 and a power indicator lamp 14, and the bottom surface of the case 1 is provided with a machine foot 15.
Referring to fig. 1 and 2, the lifting unit 2 is installed on the chassis 1 directly above the electric push rod 12, and the lifting unit 2 includes a bottom plate 21, a middle plate 22, a first connecting column 23 connecting the bottom plate 21 and the middle plate 22, a lifting plate 24 capable of sliding up and down along the first connecting column 23, a weight tray 25 disposed on the lifting plate 24, and weights 26 disposed in the weight tray 25. The bottom plate 21 is provided with a first through hole 211, and the first through hole 211, the weight tray 25, the weight 26 and the electric push rod 12 are coaxially arranged so as to enable the lifting plate 24 to be uniformly stressed; the first connecting column 23 is of a cylindrical structure, and the lifting plate 24 is provided with a linear bearing 27 sleeved on the first connecting column 23 so as to reduce the friction force of the lifting plate 24 in moving up and down, ensure the lifting plate 24 to do stable linear motion and improve the sensitivity and precision of the test; the central position of the lower end surface of the lifting plate 24 is provided with an annular protrusion 241 so as to better support the electric push rod 12 coaxially on the lifting plate 24.
Referring to fig. 1 and 3, the torsion clamp portion 3 is mounted on the middle plate 22, the torsion clamp portion 3 includes a torsion fixing component 31, a torsion actuating component 32 and a torsion force applying component 33, the torsion fixing component 31 includes a left compression screw 311, a first nut block 312, a stop 313, a second nut block 314 and a right compression screw 315, the left compression screw 311 passes through the first nut block 312 and is connected to the stop 313, the right compression screw 315 passes through the second nut block 314 and contacts with the stop 313, the torsion actuating component 32 includes a rotation shaft 321 and a bearing seat 322, the bearing seat 322 is mounted on the middle plate 22, the rotation shaft 321 is rotatably fixed on the bearing seat 322, a groove is provided on the outer circumferential surface of the rotation shaft 321, the first nut block 312 and the second nut block 314 are fixed on two positions of the rotation shaft 321 symmetrical to the middle axial plane, the rotation shaft 321, the bearing seat 322 and the weight tray 25 are coaxially arranged, and the center of the rotating shaft 321 and the center of the bearing seat 322 are communicated with the lifting part 2, the torsion force application assembly 33 comprises a fixing piece 331 and a guide wheel 332, one end of the fixing piece 331 is fixed on the middle plate 22, the other end of the fixing piece 331 extends out of the middle plate 22 to be suspended, the guide wheel 332 is fixed at one suspended end of the fixing piece 331, a top plate 5 is arranged above the torsion clamp part 3, and the middle plate 22 and the top plate 5 are connected through a second connecting column 6. In a preferred embodiment, the head of the right compression screw 315 is provided with a flange, so that the contact area between the right compression screw 315 and the stopper 313 is increased, and the electric wire can be better fixed by matching with the stopper 313 in a compression manner; the top plate 5 is detachably connected with the second connecting column 6, so that the torsion test can be conveniently carried out.
Referring to fig. 1 and 4, the stretching clamp portion 4 is mounted on the top plate 5, and a second through hole (not visible in the drawings) is formed in the top plate 5 and is coaxial with the rotating shaft 321; the stretching clamp part 4 comprises a stretching support component 41 and a stretching fixing component 42, the stretching support component 41 comprises a left support piece 411 and a right support piece 412, the left support piece 411 and the right support piece 412 are symmetrically arranged about the central axis of the second through hole so that the electric wire passes through the central axis of the second through hole to enable the electric wire plug to be stressed smoothly, the left support piece 411 comprises a left support bottom plate 413 and a left support plate 414, the left support bottom plate 413 is fixed on the top plate 5, the left support plate 414 is fixed on the left support bottom plate 413, the right support piece 412 comprises a right support plate 415 and a right support bottom plate 416, the right support bottom plate 416 is fixed on the top plate 5, the right support plate 415 is fixed on the right support bottom plate 416, the stretching fixing component 42 comprises a left fixing piece 421 and a right fixing piece 422, the left fixing piece 421 comprises two left rotation screws 423, a left clamping block one 424 and a left clamping block two 425, the two left rotation screws 423 penetrate through the left support plate 414 inwards and are connected with, the right fixing member 422 comprises two right rotating screws 426, a first right clamping block 427 and a second right clamping block 428, the two right rotating screws 426 penetrate through the right bracket plate 415 inwards and are connected with the first right clamping block 427 and the second right clamping block 428 respectively, the first left clamping block 424 is matched with the first right clamping block 427, and the second left clamping block 425 is matched with the second right clamping block 428. The middle parts of the front ends of the first left clamping block 424, the second left clamping block 425, the first right clamping block 427 and the second right clamping block 428 are provided with arc-shaped grooves, so that the first left clamping block 424 is matched with the first right clamping block 427, and the second left clamping block 425 is matched with the second right clamping block 428 to clamp and fix the electric wire more firmly, and therefore the test result is more accurate. Preferably, the middle parts of the front ends of the left clamping block I424, the left clamping block II 425, the right clamping block I427 and the right clamping block II 428 are provided with semicircular grooves, wherein the radius of the grooves of the left clamping block I424 and the right clamping block I427 is equal, and the radius of the grooves of the left clamping block II 425 and the right clamping block II 428 is equal.
A transition plate 8 is arranged between the stretching support assembly 41 and the top plate 5 to increase the contact area of the stretching clamp part 4 and the top plate 5 and reduce the pressure on the top plate 5, a third through hole 81 is arranged on the transition plate 8, and the third through hole 81 and the second through hole are coaxially arranged.
Be equipped with position sleeve 7 between first spliced pole 23 and the intermediate lamella 22, be equipped with position sleeve 7 between second spliced pole 6 and the intermediate lamella 22 to make this test device be difficult for rocking, increase stability.
The working process is as follows:
tensile load test: before the test, whether the electrical part of the device is normal is checked, whether the electric push rod 12 moves smoothly is checked, the electric push rod 12 is adjusted to enable the lifting plate 24 to be located at the highest position, the time and the times required by the test are set by the adjusting control part 11, after the setting is finished, the plug part of the test sample faces upwards, the cable part of the test sample sequentially penetrates through the center position of the stretching clamp part 4 and the center position of the twisting clamp part 3 to enter the lifting part 2, the tail end of the cable part is connected and fixed with the weight 26 (the cable part is as vertical to the center of the weight 26 as much as possible), the left rotating screw 423 and the right rotating screw 426 are adjusted to enable the left clamping block one 424 to be matched with the right clamping block one 427, and the left clamping block two 425 and the right clamping block two 428 to; then the power switch 13 is pressed, the control part 11 controls the electric push rod 12 to contract, the lifting plate 24 moves downwards until the weight 26 is completely separated from the lifting plate 24, the control system 11 controls the electric push rod 12 to extend after the test time reaches the set time, the lifting plate 24 moves upwards to support the weight 26, and at this time, the primary tensile load test is finished. After the set number of times of tensile load tests are completed, the test specimen is disconnected from the weight 26, and the left-hand screw 423 and the right-hand screw 426 are adjusted to take out the test specimen for examination and recording.
Torsion test: before the test, the plug part of the test sample is upward, the left compression screw 311 and the right compression screw 315 are adjusted to fix the plug part of the test sample at the central position, then the cable part of the test sample is wound at the groove (at least one circle) of the rotating shaft 321, the cable part is vertically downward through the guide wheel 332, the tail end of the cable part is connected with the weight 26 (the weight 26 needs to be suspended), and at the moment, the rotating shaft 321 is rotated to wind the cable part at the groove and record the winding times and time. After the test is completed, the test specimen is disconnected from the weight 26, and the left compression screw 311 and the right compression screw 315 are adjusted to take out the test specimen for inspection and recording. To facilitate the torsion test operation, the top plate 5 is removed before the test.
From the above, the test device for the tensile load test and the torsion test of the wire plug of the utility model integrates the tensile load test and the torsion test of the wire plug on the same test bed for carrying out, the operation is simple and reliable, and the test cost is effectively reduced; the electric push rod replaces the action of manual weight loading, so that the loading is stable and accurate, and the accuracy of the test result is improved.
The present invention has been described in relation to the above embodiments, which are only examples for implementing the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, all changes and modifications which do not depart from the spirit and scope of the present invention are deemed to fall within the scope of the present invention.
Claims (10)
1. A test device for a wire plug tensile load test and a torsion test, comprising:
the computer case comprises a control part and a driving part, wherein the control part is electrically connected with the driving part, and the driving part comprises an electric push rod arranged in the computer case;
the lifting part is arranged on the case right above the electric push rod and comprises a bottom plate, a middle plate, a first connecting column for connecting the bottom plate and the middle plate, a lifting plate capable of sliding up and down along the first connecting column, a weight tray arranged on the lifting plate and weights placed in the weight tray, a first through hole is formed in the bottom plate, and the first through hole, the weight tray, the weights and the electric push rod are coaxially arranged;
the torsion clamp part is arranged on the middle plate and comprises a torsion fixing component, a torsion action component and a torsion force application component, the torsion fixing component comprises a left compression screw, a first nut block, a stop block, a second nut block and a right compression screw, the left compression screw penetrates through the first nut block and is connected with the stop block, the right compression screw penetrates through the second nut block and is contacted with the stop block, the torsion action component comprises a rotating shaft and a bearing seat, the bearing seat is arranged on the middle plate, the rotating shaft is rotatably fixed on the bearing seat, a groove is arranged on the outer peripheral surface of the rotating shaft, the first nut block and the second nut block are fixed on two positions of the rotating shaft which are symmetrical relative to a middle axial plane, and the rotating shaft, the bearing seat and a weight tray are coaxially arranged, the torsion force application assembly comprises a fixing piece and a guide wheel, one end of the fixing piece is fixed on the middle plate, the other end of the fixing piece extends out of the middle plate and is suspended, the guide wheel is fixed at one suspended end of the fixing piece, a top plate is arranged above the torsion clamp part, and the middle plate is connected with the top plate through a second connecting column;
the stretching clamp part is installed on the top plate, a second through hole is formed in the top plate, the second through hole and the rotating shaft are coaxially arranged, the stretching clamp part comprises a stretching supporting assembly and a stretching fixing assembly, the stretching supporting assembly comprises a left supporting piece and a right supporting piece, the left supporting piece comprises a left supporting bottom plate and a left supporting plate, the left supporting bottom plate is fixed on the top plate, the left supporting plate is fixed on the left supporting bottom plate, the right supporting piece comprises a right supporting plate and a right supporting bottom plate, the right supporting bottom plate is fixed on the top plate, the right supporting plate is fixed on the right supporting bottom plate, the stretching fixing assembly comprises a left fixing piece and a right fixing piece, the left fixing piece comprises two left rotating screws, a left clamping block I and a left clamping block II, the two left rotating screws penetrate through the left supporting plate inwards and are connected with the left clamping block I and the left clamping block II respectively, the right fixing piece comprises two right rotating screws, a right clamping block I and a right clamping block II, the two right rotating screws penetrate through the right support plate inwards and are connected with the right clamping block I and the right clamping block II respectively, the left clamping block I is matched with the right clamping block I, and the left clamping block II is matched with the right clamping block II.
2. The testing device for the tensile load test and the torsion test of the wire plug according to claim 1, wherein the first connecting column is of a cylindrical structure, and the lifting plate is provided with a linear bearing sleeved on the first connecting column.
3. The test device for the tensile load test and the torsion test of the electric wire plug according to claim 1, wherein the head of the right compression screw is provided with a flange.
4. The device for testing the tensile load test and the torsion test of the wire plug as claimed in claim 1, wherein a transition plate is arranged between the tensile support assembly and the top plate, a third through hole is arranged on the transition plate, and the third through hole and the second through hole are coaxially arranged.
5. The testing device for the tensile load test and the torsion test of the wire plug as claimed in claim 1, wherein a positioning sleeve is arranged between the first connecting column and the middle plate, and a positioning sleeve is arranged between the second connecting column and the middle plate.
6. The test device for the tensile load test and the torsion test of the electric wire plug as claimed in claim 1, wherein a ring-shaped protrusion is provided at a central position of the lower end surface of the lifting plate.
7. The testing apparatus for a tensile load test and a torsion test of an electric wire plug according to claim 1, wherein the left and right supporting pieces are arranged plane-symmetrically with respect to a central axis of the second through hole.
8. The test device for the tensile load test and the torsion test of the wire plug as claimed in claim 1, wherein the middle parts of the front ends of the left clamping block I, the left clamping block II, the right clamping block I and the right clamping block II are respectively provided with an arc-shaped groove.
9. The test device for the tensile load test and the torsion test of the wire plug as claimed in claim 8, wherein the middle parts of the front ends of the left clamping block I, the left clamping block II, the right clamping block I and the right clamping block II are respectively provided with a semicircular groove.
10. The test apparatus for tensile load testing and torsion testing of a wire plug according to claim 1, wherein said top plate is detachably connected to said second connecting column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920783939.8U CN210347315U (en) | 2019-05-28 | 2019-05-28 | Testing device for tensile load test and torsion test of wire plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920783939.8U CN210347315U (en) | 2019-05-28 | 2019-05-28 | Testing device for tensile load test and torsion test of wire plug |
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| Publication Number | Publication Date |
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| CN210347315U true CN210347315U (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920783939.8U Active CN210347315U (en) | 2019-05-28 | 2019-05-28 | Testing device for tensile load test and torsion test of wire plug |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112557177A (en) * | 2020-12-28 | 2021-03-26 | 上海天祥质量技术服务有限公司 | Plug side-pulling test method |
| CN112630014A (en) * | 2021-03-09 | 2021-04-09 | 潍坊柯汇新材料科技有限公司 | Fiber mechanical property testing device and method |
| CN113252449A (en) * | 2021-04-14 | 2021-08-13 | 杭州电子科技大学 | Wire-welding type DB connector soldering tin joint failure testing method and device |
| CN117213979A (en) * | 2023-10-09 | 2023-12-12 | 保定京阳立津线缆制造有限公司 | Wire and cable tensile strength detection device |
-
2019
- 2019-05-28 CN CN201920783939.8U patent/CN210347315U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112557177A (en) * | 2020-12-28 | 2021-03-26 | 上海天祥质量技术服务有限公司 | Plug side-pulling test method |
| CN112630014A (en) * | 2021-03-09 | 2021-04-09 | 潍坊柯汇新材料科技有限公司 | Fiber mechanical property testing device and method |
| CN113252449A (en) * | 2021-04-14 | 2021-08-13 | 杭州电子科技大学 | Wire-welding type DB connector soldering tin joint failure testing method and device |
| CN117213979A (en) * | 2023-10-09 | 2023-12-12 | 保定京阳立津线缆制造有限公司 | Wire and cable tensile strength detection device |
| CN117213979B (en) * | 2023-10-09 | 2024-03-08 | 保定京阳立津线缆制造有限公司 | Wire and cable tensile strength detection device |
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