CN216051166U

CN216051166U - Device for bending and twisting test of insulating pull rod

Info

Publication number: CN216051166U
Application number: CN202121460027.0U
Authority: CN
Inventors: 韩晔; 方建洪
Original assignee: Xi'an Xd Electrical Material Co ltd; China XD Electric Co Ltd
Current assignee: Xi'an Xd Electrical Material Co ltd; China XD Electric Co Ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2022-03-15
Anticipated expiration: 2031-06-29

Abstract

The utility model discloses a device for an insulating pull rod bending and twisting test, which comprises a clamping seat, wherein the clamping seat comprises a sleeve and a positioning cylinder sleeved in the sleeve, one end of the positioning cylinder is provided with a first meshing hole, the first meshing hole is used for connecting a first meshing part arranged at one end of an insulating pull rod, and the other end of the insulating pull rod is connected with an extension part or a torsion arm; according to the utility model, the insulating pull rod can be fixed through the reasonable structural design of the clamping seat, and then the clamping seat is fixed on the tensile testing machine, so that the problem of fixing the insulating pull rod by an experimental device is solved, the insulating pull rod can be effectively and reasonably connected with the electronic universal tensile testing machine, the bending and twisting tests of the insulating pull rod can be carried out under the control of a microcomputer, the operation is simple and convenient, and the application scene is wide.

Description

Device for bending and twisting test of insulating pull rod

Technical Field

The utility model belongs to the technical field of detection devices of electrical insulation products, and particularly relates to a device for an insulation pull rod bending and twisting test.

Background

The insulating pull rod is a product widely applied to the electrical equipment manufacturing industry, the bending and twisting tests of the product are routine tests, at present, an electronic universal tensile testing machine is a common device in the bending and twisting tests of the insulating pull rod, but in the actual test process, a proper test device is not used for fixing the insulating pull rod, so that the insulating pull rod can be effectively and conveniently connected with the electronic universal tensile testing machine reasonably, and the bending and twisting tests of the insulating pull rod are carried out under the control of a microcomputer.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model aims to provide a device for an insulating pull rod bending and twisting test, which can fix an insulating pull rod through a reasonable structural design, ensure that the insulating pull rod has good stability in the bending or twisting test process, and effectively improve the operability of test operation.

In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a device for insulating pull rod bending and twisting test, includes the grip slipper, the grip slipper includes that sleeve and cover establish a location section of thick bamboo in the sleeve, the one end of a location section of thick bamboo is provided with first meshing hole, first meshing hole is used for connecting the first meshing portion that insulating pull rod one end set up, the insulating pull rod other end is connected with extension or twists reverse the arm.

Furthermore, the other end of the insulating pull rod is provided with a second engaging part, and the second engaging part is connected with a second engaging hole of the extending part or a second engaging hole of the torsion arm.

The bolt penetrates through the positioning piece and is screwed into the first meshing part to realize axial locking of the first meshing hole and the first meshing part, or the bolt penetrates through the positioning piece and is screwed into the second meshing part to realize axial locking of the second meshing hole and the second meshing part.

The clamping device is characterized by further comprising a base, wherein the base is provided with a slide way, the bottom of the clamping base is provided with a slide block matched with the slide way, and the slide block is arranged in the slide way and can slide along the slide way;

further, a supporting device and a joint for supporting the base are connected below the base, wherein the joint is used for being connected with a lower chuck of the tensile testing machine; the tail end of the supporting device is supported on the ground.

Furthermore, the position between a positioning barrel and the sleeve is locked, a second jack is arranged on the positioning barrel, a first jack corresponding to the second jack is arranged on the sleeve, and the position between the positioning barrel and the sleeve is locked by the aid of the bolt which penetrates through the first jack and the second jack once.

Furthermore, the torsion arm is provided with an adjusting block, and the top of the adjusting block is provided with a guide groove.

Furthermore, a plurality of locking holes have been seted up on the torsion arm, the height in locking hole is the same with the locking groove, the regulating block cover is established on the torsion arm, and the regulating block can follow the torsion arm and remove, the locking groove has been seted up on the regulating block, locking screw is used for passing the locking groove and realizes the locking to relative position between regulating block and the torsion arm.

Further, the base includes first base and second base, be provided with first slide on the first base, be provided with the second slide on the second base, the link setting of second base is on first slide, and the link bottom be provided with first slide complex slider, the link of second base passes through to be connected between slider and the first slide, and the link of second base can slide along first slide at first base.

Further, the slide is an inverted T-shaped slide.

Compared with the prior art, the insulation pull rod bending or twisting test device has the advantages that the insulation pull rod can be fixed through reasonable structural design of the clamping seat, then the clamping seat is fixed on the tensile testing machine, the insulation pull rod and the tensile testing machine are matched to carry out bending or twisting test on the insulation pull rod, and the operation is simple and convenient.

Furthermore, the top of the adjusting block is provided with the guide groove, so that the adjusting block can be stably and efficiently pressed into the guide groove in the pressing process of the pressure head, the stability of the force application process is ensured, the truth and the effectiveness of the test result are ensured, and the accuracy of the test can be effectively ensured.

Furthermore, the slide way arranged on the base is the inverted T-shaped slide way, so that the sliding device can be well limited on the basis of realizing the sliding function, and the inspection accuracy can be effectively ensured.

Furthermore, the utility model can ensure the adjusting precision by arranging the scale, so as to be suitable for more application scenes.

Furthermore, the supporting device structure for supporting the base is reasonably designed, so that the application scenes of the testing device are wider.

In the actual use process, the test tool can be used for being reasonably connected with a 100kN microcomputer control electronic universal tensile testing machine, carrying out microcomputer control to carry out bending and twisting tests on the insulating pull rod and providing test data of the bending and twisting of the insulating pull rod; the utility model has reasonable structural design, simple operation and high flexibility.

Furthermore, the structure provided by the utility model has a good test effect in a bending and twisting test of the insulating pull rod with the length not greater than 450mm and the bending and twisting force not greater than 20 kN.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of another embodiment of the present invention.

FIG. 3 is a schematic diagram of a torsion test according to the present invention.

Fig. 4 is a schematic structural diagram of the clamping seat of the present invention.

FIG. 5 is a schematic view of the fitting structure of the positioning cylinder of the present invention.

Fig. 6 is a schematic view of an insulating pull rod structure.

Fig. 7 is a schematic view of an assembly structure of the insulating pull rod and the extension part.

Fig. 8 is a schematic view of an arrangement of an insulating pull rod and a torsion arm.

Fig. 9 is a schematic view of a structure of the third supporting device and the insulating pull rod.

Fig. 10 is a schematic view of a torsion arm structure.

Fig. 11 is a schematic view of the structure of the adjusting block.

In the drawing, 1, a clamping seat, 101, a positioning cylinder, 1011, a first engaging hole, 102, a second inserting hole, 103, a first inserting hole, 104, a positioning sheet, 105, a bolt, 2, a base, 21, a first base, 211, a first slideway, 212, a joint, 22, a second base, 221, a second slideway, 31, a first supporting device, 32, a second supporting device, 33, a third supporting device, 4, a pressure head, 5, a torsion arm, 51, an adjusting block, 52, a locking screw, 53, a locking hole, 54, a guide groove, 55, a second engaging hole, 56, a locking groove, 6, an insulating pull rod, 61, a first engaging part, 62, a second engaging part, 63 and an extending part.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

The device for the bending and twisting test of the insulating pull rod comprises a clamping seat 1, as shown in fig. 4, the clamping seat 1 comprises a sleeve and a positioning cylinder 101 sleeved in the sleeve, one end of the positioning cylinder 101 is provided with a first meshing hole 1011, the first meshing hole 1011 is used for connecting a first meshing part 61 arranged at one end of an insulating pull rod 6, and the other end of the insulating pull rod 6 is connected with an extending part 63 or a torsion arm 5; fix on tensile testing machine through the grip slipper and can realize the stable fixed to insulating pull rod, conveniently carry out follow-up test step and develop, in addition, still include in this device with tensile testing machine on the pressure head 4 that the chuck is connected, pressure head 4 is used for providing insulating pull rod 6 and carries out the effort of bending or distortion. In a preferred embodiment, the positioning cylinder 101 and the sleeve are locked in position, the positioning cylinder 101 is provided with a second insertion hole 102, the sleeve is provided with a first insertion hole 103 corresponding to the second insertion hole 102, and the positioning cylinder 101 and the sleeve are locked in position by the aid of the bolt passing through the first insertion hole 103 and the second insertion hole 102 once.

As shown in fig. 6, the other end of the insulated pull rod 6 is provided with a second engaging portion 62, as shown in fig. 7 and 8, the second engaging portion 62 is connected with the second engaging hole 55 of the extension portion 63 or with the second engaging hole 55 of the torsion arm 5; the structural joint shown in fig. 7 is used for bending test of the insulated rod 6, in which the ram 4 is pressed down on the extension 63 to provide bending force to the insulated rod 6, and the structural joint shown in fig. 8 is used for twisting test of the insulated rod 6, in which the ram 4 is pressed down on the torsion arm 5, and the torsion arm 5 is rotated about the axis of the second engagement portion 62 to provide twisting test force to the insulated rod 6.

In an embodiment of the present invention, as shown in fig. 9, the present invention further includes a third supporting device 33, a top of the third supporting device 33 is an arc surface, the arc surface is supported at one end of the insulating pull rod 6 connected to the torsion arm 5, a bottom of the third support is supported on a body of the tensile testing machine, and the third supporting device 33, in cooperation with the ram 4, can realize that the torsion arm 5 can provide a stable torsion force to the insulating pull rod 6.

In a certain preferred embodiment of the present invention, as shown in fig. 5, the present invention further includes a positioning plate 104 and a bolt 105, as shown in fig. 5 and 6, the bolt 105 passes through the positioning plate 104 and is screwed into the first engaging portion 61 to achieve axial locking of the first engaging hole 1011 and the first engaging portion 61, and the diameter of the positioning plate 104 is larger than the diameter of the first engaging hole 1011, so as to press the positioning cylinder 101 and the insulating pull rod 6. As shown in fig. 7 and 8, the bolt 105 is screwed into the second engagement portion 62 through the positioning piece 104 to axially lock the second engagement hole 55 and the second engagement portion 62.

In the specific embodiment of the utility model, the clamping device further comprises a base 2, the base 2 is provided with a slide way, the bottom of the clamping seat 1 is provided with a slide block matched with the slide way, and the slide block is arranged in the slide way and can slide along the slide way; through the structural cooperation between base 2 and grip slipper 1, realized the position adjustment of grip slipper 1, what can be more nimble carries out relevant experimental operation.

In addition, in a preferred embodiment, as shown in fig. 1, a supporting device for supporting the base and a joint 212 are connected below the base 2, wherein the joint 212 is used for connecting with a lower chuck of the tensile testing machine; the tail end of the supporting device is supported on the ground, and the reasonable structural design of the supporting device ensures that the applicable scenes of the testing device are wider.

On a device for performing a torsion test, as shown in fig. 3 and 5, an adjusting block 51 is mounted on a torsion arm 5 of the torsion arm, a guide groove 54 is formed in the top of the adjusting block 51, and the adjusting block can be stably and efficiently pressed into the guide groove by introducing the guide groove 54 in the process of pressing down a press head 4, so that the stability of a force process is ensured; in addition, a plurality of locking holes 53 are formed in the torsion arm 5, the height of each locking hole 53 is the same as that of the corresponding locking groove 56, the adjusting block 51 is sleeved on the torsion arm 5, the adjusting block 51 can move along the torsion arm 5, the adjusting block 51 is provided with the corresponding locking groove 56, and the locking screw 52 is used for penetrating through the corresponding locking groove 56 to lock the relative position between the adjusting block 51 and the torsion arm 5.

As shown in fig. 3, the base 2 includes a first base 21 and a second base 22, a first slide 211 is disposed on the first base 21, a second slide 221 is disposed on the base of the second base 22, a connection end of the second base 22 is disposed on the first slide 211, a sliding block matched with the first slide 211 is disposed at the bottom of the connection end, the connection end of the second base 22 is connected to the first slide 211 through the sliding block, and the connection end of the second base 22 can slide along the first slide 211 on the first base 21; the cooperation of two bases is used and can be realized carrying out the removal and the regulation of grip slipper 1 in two-dimensional plane, makes things convenient for the development of experimental operation. In some preferred embodiments, the slide way formed on the base 2 is an inverted T-shaped slide way, and the sliding device can be better limited on the basis of realizing the sliding function.

In addition, in the preferred embodiment of the present invention, the second base 22 is provided with the scale 222, and the scale 222 is disposed on the side surface of the second base 22, so that the adjustment accuracy can be ensured.

As shown in fig. 1, 2 and 3, the supporting device includes a first supporting device 31 for supporting the first base 21 and a second supporting device 32 for supporting the second base 22, one end of the supporting device is connected with the base, the other end is supported on the ground, and the ends of the supporting devices supported on the ground are provided with retractable adjusting feet, in a specific embodiment, the adjusting feet include a supporting foot pad and a threaded rod connected to the supporting foot pad, and the supporting foot pad is connected with the supporting device through the threaded rod.

Claims

1. The utility model provides a device for insulating pull rod bending and twisting test, its characterized in that includes grip slipper (1), grip slipper (1) include that sleeve and cover establish a location section of thick bamboo (101) in the sleeve, the one end of a location section of thick bamboo (101) is provided with first meshing hole (1011), first meshing hole (1011) are used for connecting first meshing portion (61) that insulating pull rod (6) one end set up, insulating pull rod (6) other end is connected with extension (63) or twists reverse arm (5).

2. The device for the bending and twisting test of the insulated pull rod according to claim 1, wherein the other end of the insulated pull rod (6) is provided with a second engaging portion (62), and the second engaging portion (62) is connected with the second engaging hole (55) of the extension portion (63) or the second engaging hole (55) of the torsion arm (5).

3. The device for the bending and twisting test of the insulated pull rod according to claim 1, further comprising a positioning piece (104) and a bolt (105), wherein the bolt (105) penetrates through the positioning piece (104) and is screwed into the first engagement part (61) to realize the axial locking of the first engagement hole (1011) and the first engagement part (61), or the bolt (105) penetrates through the positioning piece (104) and is screwed into the second engagement part (62) to realize the axial locking of the second engagement hole (55) and the second engagement part (62).

4. The device for the bending and twisting test of the insulating pull rod according to claim 1, further comprising a base (2), wherein the base (2) is provided with a slide way, a slide block matched with the slide way is arranged at the bottom of the clamping seat (1), and the slide block is arranged in the slide way and can slide along the slide way.

5. The device for the bending and twisting test of the insulating pull rod is characterized in that a supporting device for supporting the base and a joint (212) are connected below the base (2), wherein the joint (212) is used for being connected with a lower chuck of a tensile testing machine; the tail end of the supporting device is supported on the ground.

6. The device for the bending and twisting test of the insulating pull rod according to claim 1, wherein the positioning cylinder (101) and the sleeve are locked in position, the positioning cylinder (101) is provided with a second jack (102), the sleeve is provided with a first jack (103) corresponding to the second jack (102), and the positioning cylinder (101) and the sleeve are locked in position by the aid of the bolt which passes through the first jack (103) and the second jack (102) at one time.

7. The device for the bending and twisting test of the insulating pull rod according to claim 1, wherein an adjusting block (51) is mounted on the torsion arm (5), and a guide groove (54) is formed in the top of the adjusting block (51).

8. The device for the bending and twisting test of the insulating pull rod according to claim 7, wherein a plurality of locking holes (53) are formed in the torsion arm (5), the height of each locking hole (53) is the same as that of each locking groove (56), the adjusting block (51) is sleeved on the torsion arm (5) and can move along the torsion arm (5), each adjusting block (51) is provided with each locking groove (56), and each locking screw (52) is used for penetrating through each locking groove (56) to lock the relative position between each adjusting block (51) and the corresponding torsion arm (5).

9. The device for the bending and twisting test of the insulation pull rod according to claim 4, wherein the base comprises a first base (21) and a second base (22), a first slide way (211) is arranged on the first base (21), a second slide way (221) is arranged on the base of the second base (22), the connecting end of the second base (22) is arranged on the first slide way (211), a sliding block matched with the first slide way (211) is arranged at the bottom of the connecting end, the connecting end of the second base (22) is connected with the first slide way (211) through the sliding block, and the connecting end of the second base (22) can slide along the first slide way (211) on the first base (21).

10. The device for the bending and twisting test of the insulating pull rod according to claim 4, wherein the slideway is an inverted T-shaped slideway.