CN219978032U - Bending resistance testing machine for electric safety tool - Google Patents
Bending resistance testing machine for electric safety tool Download PDFInfo
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- CN219978032U CN219978032U CN202321694954.8U CN202321694954U CN219978032U CN 219978032 U CN219978032 U CN 219978032U CN 202321694954 U CN202321694954 U CN 202321694954U CN 219978032 U CN219978032 U CN 219978032U
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- arm
- bending resistance
- safety tool
- support arm
- testing machine
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- 238000012360 testing method Methods 0.000 title claims abstract description 86
- 238000005452 bending Methods 0.000 title claims abstract description 32
- 230000003068 static effect Effects 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Abstract
The utility model relates to a bending resistance testing machine for an electric power safety tool, belongs to the technical field of electric power safety tools, and solves the problem that the existing test on an electric power installation tool is inconvenient. The utility model provides a bending resistance performance testing machine for electric power safety tool, includes support arm, pressure arm, pinch roller and supporting part, the pressure arm is installed on the support arm and can follow the support arm reciprocates, the pinch roller is installed the lower surface of pressure arm, the supporting part is equipped with two, two the supporting part sets up respectively the both sides of support arm, two the distance between the supporting part can be adjusted. The bending resistance testing machine for the electric safety tool is provided with the supporting part for placing the test piece, the pressing wheel is arranged on the pressing arm and can press the test piece, the testing machine can perform bending resistance static load test and bending resistance dynamic load test on the insulating operation rod, and the horizontal strength test is performed on the insulating hard ladder, so that the testing is simple and convenient to implement.
Description
Technical Field
The utility model relates to the technical field of electric safety tools, in particular to a bending resistance testing machine for an electric safety tool.
Background
According to the requirements in the electric power industry standard DL/T976 of the people's republic of China, namely, the preventive test procedure of live working tools, devices and equipment, a bending static load test and a bending dynamic load test are required to be carried out on an insulating operation rod, a horizontal strength test is required to be carried out on an insulating hard ladder, no special test equipment capable of completing the test requirements is available at present, a method of manually building a plurality of equipment combinations to meet the test requirement is generally adopted, the test is very inconvenient, and the accuracy of test results is difficult to ensure.
Disclosure of Invention
In view of the above analysis, the present utility model aims to provide a bending resistance testing machine for an electric power safety tool, so as to solve the problem of inconvenient testing of the existing electric power installation tool.
The aim of the utility model is mainly realized by the following technical scheme:
the utility model provides a bending resistance performance testing machine for electric power safety tool, includes support arm, pressure arm, pinch roller and supporting part, the pressure arm is installed on the support arm and can follow the support arm reciprocates, the pinch roller is installed the lower surface of pressure arm, the supporting part is equipped with two, two the supporting part sets up respectively the both sides of support arm, two the distance between the supporting part can be adjusted.
Further, the support arm is a hollow cuboid with one side open, a screw rod is arranged in the support arm along the height direction, the pressing arm is of a plate-shaped structure, a threaded hole is formed in the pressing arm, the screw rod and the threaded hole form a screw rod nut pair, the pressing arm extends out of the opening of the support arm, and the pressing wheel is arranged below the extending end of the pressing arm.
Further, guide grooves are formed in the two side plates of the support arm along the height direction, guide pieces are arranged on the pressing arm, one ends of the guide pieces are fixedly connected with the pressing arm, and the other ends of the guide pieces extend into the guide grooves.
Further, the test bench is further comprised, the support arm is mounted on the test bench (on the test bench, two parallel linear guide rails are arranged on the test bench, and the support part is bridged with the two linear guide rails and can move along the linear guide rails.
Further, the supporting portion comprises a bottom plate and sliding blocks, the two sliding blocks are respectively arranged at the front end and the rear end of the bottom plate, and the sliding blocks can slide along the linear guide rail.
Further, the support portion further comprises two supports, the two supports are symmetrically arranged at the front end and the rear end of the bottom plate, and semicircular grooves with the upper ends open are formed in the upper portions of the supports.
Further, the supporting part further comprises an insulating hard ladder supporting beam, the insulating hard ladder supporting beam is a round tube and can be clamped in the semicircular groove of the support, two limiting plates are respectively arranged on two sides of the insulating hard ladder supporting beam, and the two limiting plates are respectively located on the outer sides of the two supports.
Further, an insulating rod supporting wheel is further arranged in the middle of the bottom plate, the height of the insulating rod supporting wheel is smaller than that of the support, and a groove is formed in the middle of the insulating rod supporting wheel.
Further, the supporting part further comprises a locking mechanism, a threaded hole is formed in the sliding block, the locking mechanism is a bolt, the bolt is installed in the threaded hole, and the head of the bolt can clamp the sliding block and the linear guide rail.
Further, scale marks are arranged on the linear guide rail, a pointer is arranged on the side face of the support, and the head of the pointer points to the scale marks.
The utility model can at least realize one of the following beneficial effects:
(1) The bending resistance testing machine for the electric safety tool is provided with the supporting part for placing the test piece, the pressing wheel is arranged on the pressing arm and can press the test piece, the testing machine can perform bending resistance static load test and bending resistance dynamic load test on the insulating operation rod, and the horizontal strength test is performed on the insulating hard ladder, so that the testing is simple and convenient to implement.
(2) The electric insulation hard ladder supporting beam is arranged on the bracket, the upper part of the bracket is provided with the semicircular groove with the opening at the upper end, the insulation hard ladder supporting beam is a circular tube and can be clamped in the semicircular groove of the bracket, and the semicircular groove with the opening at the upper end of the bracket is designed, so that the insulation hard ladder supporting beam can be conveniently taken down when not in use.
In the utility model, the technical schemes can be mutually combined to realize more preferable combination schemes. Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the utility model, like reference numerals being used to refer to like parts throughout the several views.
FIG. 1 is a schematic view of a bending resistance tester for an electric safety tool according to an embodiment of the present utility model;
FIG. 2 is an enlarged partial view of portion A of FIG. 1;
fig. 3 is a partial enlarged view of a portion B of fig. 1.
Reference numerals:
1-support arm, 11-lead screw, 12-guide way, 2-pressure arm, 21-guide piece, 3-pressure sensor, 4-pinch roller, 5-supporting part, 51-insulating hard ladder supporting beam, 52-insulating rod supporting wheel, 53-bracket, 54-bottom plate, 55-slider, 56-locking mechanism, 57-pointer, 6-linear guide rail, 7-test bench.
Detailed Description
The following detailed description of preferred embodiments of the utility model is made in connection with the accompanying drawings, which form a part hereof, and together with the description of the embodiments of the utility model, are used to explain the principles of the utility model and are not intended to limit the scope of the utility model.
In one embodiment of the present utility model, as shown in fig. 1, a bending resistance tester for an electric safety tool is disclosed, which comprises a support arm 1, a pressing arm 2, a pressing wheel 4 and a supporting part 5, wherein the pressing arm 2 is installed on the support arm 1 and can move up and down along the support arm 1, the pressing wheel 4 is installed on the lower surface of the pressing arm 2, two supporting parts 5 are provided, the two supporting parts 5 are respectively arranged at two sides of the support arm 1, and the distance between the two supporting parts 5 can be adjusted.
In this embodiment, the supporting parts 5 are used for placing test pieces (insulating hard ladders or insulating operation levers), during testing, the distance between the two supporting parts 5 is adjusted according to the test requirements, the test pieces are placed on the supporting parts 5 after the adjustment is completed, the pressing arm 2 moves down along the support arm 1 until the pressing wheel 4 contacts the test pieces and the pressure of the pressing wheel 4 on the test pieces reaches a set value, and after the set time is maintained, the pressing arm 2 moves up along the support arm 1, so as to complete the bending static load test or the horizontal strength test; or the pressing arm 2 moves downwards after ascending, a set pressure value is applied to the test piece, and the dynamic load test is completed repeatedly. The tester of the embodiment can perform bending static load test and bending dynamic load test on the insulating operation rod, and perform horizontal strength test on the insulating hard ladder, and is simple in test and convenient to implement.
Specifically, as shown in fig. 2, the support arm 1 is a hollow cuboid with an opening on one side, the support arm 1 is internally provided with a screw rod 11 along the height direction, the pressing arm 2 is of a plate-shaped structure, the pressing arm 2 is provided with a threaded hole, the screw rod 11 penetrates through the threaded hole of the pressing arm 2 to form a screw-nut pair, the pressing arm 2 extends out of the opening of the support arm 1, and the pressing wheel 4 is arranged below the extending end of the pressing arm 2.
Further, in order to ensure the accuracy of the movement of the pressing arm 2, guide grooves 12 are formed in the two side plates of the support arm 1 along the height direction, guide pieces 21 are arranged on the pressing arm 2, one ends of the guide pieces 21 are fixedly connected with the pressing arm 2, and the other ends of the guide pieces extend into the guide grooves 12, so that the accuracy of the movement direction of the pressing arm 2 is ensured.
Further, the testing machine of this embodiment further includes a testing stand 7, the support arm 1 is mounted on the testing stand 7, two parallel linear guide rails 6 are provided on the testing stand 7, and the support portion 5 spans the two linear guide rails 6 and can move along the linear guide rails 6.
Specifically, as shown in fig. 3, the supporting portion 5 includes a bottom plate 54, brackets 53, insulating hard ladder supporting beams 51 and insulating rod supporting wheels 52, the front and rear ends of the bottom plate 54 are provided with sliding blocks 55, the two sliding blocks 55 can slide along the two linear guide rails 6, respectively, the brackets 53 are provided with two, and the two brackets 53 are symmetrically provided at the front and rear ends of the bottom plate 54. The upper portion of support 53 is equipped with upper end open-ended semicircle groove, and insulating hard ladder supporting beam 51 is the pipe and can block in the semicircle groove of support 53, and the both sides of insulating hard ladder supporting beam 51 are equipped with the limiting plate respectively, and insulating hard ladder supporting beam 51 installs in the semicircle inslot afterwards, and two limiting plates are located the outside of two supports 53 respectively to restrict insulating hard ladder supporting beam 51 and at the removal of test machine fore-and-aft direction, and the design of the upper end open-ended semicircle groove of support 53, make insulating hard ladder supporting beam 51 can convenient take off when not using.
Further, an insulating rod supporting wheel 52 is further arranged in the middle of the bottom plate 54, the height of the insulating rod supporting wheel 52 is smaller than that of the support 53, and a groove is formed in the middle of the insulating rod supporting wheel 52, so that an insulating operation rod can be clamped on the insulating rod supporting wheel 52.
Further, a locking mechanism 56 is further arranged on the supporting portion 5, and after the supporting portion 5 is adjusted in place, the locking mechanism 56 is locked, so that the supporting portion 5 is prevented from being displaced.
Specifically, a threaded hole is formed in the slider 55, the locking mechanism 56 is a bolt, the bolt is mounted in the threaded hole, and when the supporting portion 5 is required to be locked, the bolt is screwed down, so that the head of the bolt is clamped between the slider 55 and the linear guide 6, and the supporting portion 5 is locked.
Further, in order to facilitate adjustment of the distance between the two support portions 5, the linear guide 6 is provided with scale marks, the side surface of the support 53 is provided with a pointer 57, and the head of the pointer 57 points to the scale marks, so that the distance between the two support portions 5 can be obtained conveniently.
Further, the testing machine of this embodiment is further provided with a pressure sensor 3, and the pressure sensor 3 is disposed below the press arm 2 and between the press arm 2 and the press wheel 4, so that the pressure applied to the test piece by the press wheel 4 can be measured.
Further, the pinch roller 4 is connected with the pressure sensor 3 through threads, so that the direction of the pinch roller 4 can be adjusted according to test requirements.
Further, the testing machine of the embodiment further comprises a servo electrode, wherein the servo electrode is installed on the support arm 1 and can drive the screw rod 11 to rotate.
When the testing machine of the embodiment performs an insulating operation rod bending-resistant static load test, firstly, the insulating hard ladder supporting beam 51 is taken down, then the distance between the two supporting parts 5 is adjusted according to the test requirement and locked, an insulating operation rod test piece is placed on the two insulating rod supporting wheels 52, the servo motor is started to drive the screw rod 11 to drive the press arm 2 to move downwards until the press wheel 4 presses the test piece and applies standard specified load to the test piece, the force-keeping time is started, and after the force-keeping time is ended, the press arm 2 rises to return to the original position, so that the test is completed. When the bending load test of the insulating operation rod is carried out, after the load is applied according to the test requirement, the pressure arm 2 is lifted to the pressure value of 0, and the test is repeated again according to the operation times required by the test until the specified test times are completed. When the horizontal strength test of the insulating hard ladder is carried out, the distance between the two supporting parts 5 is adjusted according to the test requirement, the insulating hard ladder test piece is placed on the two insulating hard ladder supporting beams 51, the servo motor is started to drive the screw rod 11 to drive the press arm 2 to move downwards until the press wheel 4 presses onto the test piece and applies standard specified load to the test piece, the force retention time starts to enter, and after the force retention time is finished, the press arm 2 rises to return to the original position, so that the test is completed.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model.
Claims (10)
1. The utility model provides a bending resistance performance testing machine for electric power safety tool, its characterized in that includes support arm (1), presses arm (2), pinch roller (4) and supporting part (5), press arm (2) to install on support arm (1) and can follow support arm (1) reciprocates, pinch roller (4) are installed press the lower surface of arm (2), supporting part (5) are equipped with two, two supporting part (5) set up respectively the both sides of support arm (1), two distance between supporting part (5) can be adjusted.
2. The bending resistance testing machine for an electric safety tool according to claim 1, wherein the support arm (1) is a hollow cuboid with an opening on one side, a screw rod (11) is arranged in the support arm (1) along the height direction, the press arm (2) is of a plate-shaped structure, a threaded hole is formed in the press arm (2), the screw rod (11) and the threaded hole form a screw-nut pair, the press arm (2) extends out of the opening of the support arm (1), and the press wheel (4) is arranged below the extending end of the press arm (2).
3. The bending resistance testing machine for the electric safety tool according to claim 2, wherein guide grooves (12) are formed in the two side plates of the support arm (1) along the height direction, guide pieces (21) are arranged on the pressing arm (2), one ends of the guide pieces (21) are fixedly connected with the pressing arm (2), and the other ends of the guide pieces extend into the guide grooves (12).
4. A bending resistance tester for an electric safety tool according to any one of claims 1-3, further comprising a test bed (7), said arm (1) being mounted on said test bed (7), said test bed (7) being provided with two mutually parallel linear guides (6), said support (5) bridging said two linear guides (6) and being movable along said linear guides (6).
5. The bending resistance tester for an electric safety tool according to claim 4, wherein the supporting portion (5) includes a bottom plate (54) and a slider (55), the two sliders (55) are respectively provided at front and rear ends of a bottom portion of the bottom plate (54), and the sliders (55) are slidable along the linear guide (6).
6. The bending resistance tester for an electric safety tool according to claim 5, wherein the supporting portion (5) further comprises two brackets (53), the two brackets (53) are symmetrically arranged at the front end and the rear end of the bottom plate (54), and a semicircular groove with an opening at the upper end is arranged at the upper portion of the bracket (53).
7. The bending resistance testing machine for an electric safety tool according to claim 6, wherein the supporting portion (5) further comprises an insulating hard ladder supporting beam (51), the insulating hard ladder supporting beam (51) is a circular tube and can be clamped in a semicircular groove of the support (53), two sides of the insulating hard ladder supporting beam (51) are respectively provided with a limiting plate, and two limiting plates are respectively located on the outer sides of the two supports (53).
8. The bending resistance tester for an electric safety tool according to claim 6 or 7, wherein an insulating rod supporting wheel (52) is further provided in the middle of the bottom plate (54), the insulating rod supporting wheel (52) is smaller than the bracket (53), and a groove is provided in the middle of the insulating rod supporting wheel (52).
9. The bending resistance tester for an electric safety tool according to claim 8, wherein the supporting portion (5) further comprises a locking mechanism (56), a threaded hole is formed in the slider (55), the locking mechanism (56) is a bolt, the bolt is mounted in the threaded hole, and the head of the bolt can clamp the slider (55) and the linear guide rail (6).
10. The bending resistance tester for the electric safety tool according to claim 9, wherein the linear guide rail (6) is provided with graduation marks, the side surface of the bracket (53) is provided with a pointer (57), and the head of the pointer (57) points to the graduation marks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321694954.8U CN219978032U (en) | 2023-06-30 | 2023-06-30 | Bending resistance testing machine for electric safety tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321694954.8U CN219978032U (en) | 2023-06-30 | 2023-06-30 | Bending resistance testing machine for electric safety tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219978032U true CN219978032U (en) | 2023-11-07 |
Family
ID=88597912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321694954.8U Active CN219978032U (en) | 2023-06-30 | 2023-06-30 | Bending resistance testing machine for electric safety tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219978032U (en) |
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2023
- 2023-06-30 CN CN202321694954.8U patent/CN219978032U/en active Active
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