CN219833560U - Insulator changer - Google Patents

Abstract

The utility model relates to the technical field of insulator replacement, in particular to an insulator replacement device, and aims to solve the problems of high insulator replacement difficulty, low efficiency and insufficient safety. The insulator changer provided by the utility model comprises a cantilever hoop assembly, a connecting assembly and a fixing assembly; the cantilever hoop assembly comprises a first hoop and a second hoop and is used for locking the cantilever; the first anchor ear comprises a screw rod which is in threaded connection with the connecting component; one end of the connecting component, which is far away from the cantilever hoop component, is connected with the fixing component; the fixed component is used for being connected with the cantilever base. According to the utility model, the cantilever hoop assembly and the fixing assembly are used for realizing connection with the cantilever and the cantilever base, so that the connecting assembly temporarily replaces an insulator, the insulator is convenient to detach, and the stability of the double-cantilever insulator is kept, thereby improving the safety; the equipment such as a lever block, a steel wire sleeve and the like is not needed, the operation is simplified, the structure stability is better kept, the operation difficulty is reduced, and the replacement efficiency is improved.

Description

Insulator changer

Technical Field

The utility model relates to the technical field of insulator replacement, in particular to an insulator replacement device.

Background

When the double-cantilever insulator of the contact net is replaced, the mode that the cable is mainly adopted to add the steel wire sleeve by the lever block or the cable and the supporting device are unloaded in the form of a car ladder is adopted, the operation is complex, horizontal and longitudinal pulling force exists due to the fact that stress points are not in the same vertical plane in the replacement process, the stress is uneven, the cantilever base is easily pulled out, the net collapse and the hurt of people are caused in severe cases, and the problems of high replacement difficulty, low efficiency and insufficient safety exist.

Disclosure of Invention

The utility model aims to provide an insulator changer, which solves the problems of high insulator changing difficulty, low efficiency and insufficient safety.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows:

an insulator changer comprises a cantilever hoop assembly, a connecting assembly and a fixing assembly; the wrist arm hoop assembly comprises a first hoop and a second hoop, and the first hoop is hinged with the second hoop and is used for locking the wrist arm; the first anchor ear comprises a screw rod which is in threaded connection with the connecting component; one end of the connecting component, which is far away from the cantilever hoop component, is connected with the fixing component; the fixed component is used for being connected with the cantilever base.

Further, the first anchor ear further comprises a connecting plate and an anchor ear plate, one end of the connecting plate is connected with the screw rod, and the other end of the connecting plate is connected with the anchor ear plate; the hoop plate is hinged with the second hoop and can form an annular shape with the second hoop.

Further, the cantilever anchor ear assembly further comprises a swing bolt, one end of the swing bolt is hinged with the anchor ear plate, and the other end of the swing bolt is connected with the second anchor ear.

Further, the cantilever anchor ear assembly further comprises a swinging shaft, and the swinging shaft is inserted into the swinging bolt and the anchor ear plate; the swing bolt can rotate around the axis of the swing shaft.

Further, the cantilever hoop assembly further comprises a connecting nut, wherein the connecting nut is sleeved on the swing bolt and is in threaded connection with the swing bolt; the clamping groove is formed in the second hoop, the swing bolt can swing into the clamping groove, and the connecting nut is arranged on one side, deviating from the hoop plate, of the second hoop and is abutted to the second hoop.

Further, the connecting assembly comprises a connecting rod and a spanner, the screw is inserted into the connecting rod, and one end of the connecting rod, which is far away from the wrist arm hoop assembly, is connected with the fixing assembly; the spanner comprises a screw sleeve, the screw sleeve is sleeved on the screw rod and is in threaded connection with the screw rod, and the screw sleeve is in rotary connection with one end of the connecting rod, which is far away from the fixing component.

Further, the wrench also comprises a force-applying rod, and the force-applying rod is connected with the screw sleeve.

Further, the fixed subassembly includes first cardboard and second cardboard, and first cardboard and second cardboard set up in wrist arm base both sides for press from both sides tight wrist arm base.

Further, the fixing assembly further comprises a connecting bolt, and the connecting bolt is inserted into the first clamping plate and the second clamping plate.

Further, the fixing assembly further comprises a first connecting piece, one end of the first connecting piece is hinged to the connecting assembly, and the other end of the first connecting piece is hinged to the first clamping plate.

In summary, the technical effects achieved by the utility model are as follows:

the insulator changer provided by the utility model comprises a cantilever hoop assembly, a connecting assembly and a fixing assembly; the wrist arm hoop assembly comprises a first hoop and a second hoop, and the first hoop is hinged with the second hoop and is used for locking the wrist arm; the first anchor ear comprises a screw rod which is in threaded connection with the connecting component; one end of the connecting component, which is far away from the cantilever hoop component, is connected with the fixing component; the fixed component is used for being connected with the cantilever base.

According to the insulator changer, the cantilever hoop assembly and the fixing assembly are connected with the cantilever and the cantilever base, so that the connecting assembly can temporarily replace an insulator, the insulator can be conveniently detached, the stability of the double-cantilever insulator is kept, net collapse is avoided, and safety is improved. And only need be connected with the cantilever with cantilever staple bolt subassembly when changing the insulator, fixed subassembly and cantilever base be connected can, need not equipment such as lever block, wire sleeve, simplified the operation and more do benefit to and keep stable in structure, reduced the operation degree of difficulty, promoted change efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of an insulator changer according to an embodiment of the present utility model;

FIG. 2 is a schematic structural view of a wrist-arm hoop assembly;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

fig. 4 is a schematic structural view of the first anchor ear;

fig. 5 is a schematic structural view of a second anchor ear;

FIG. 6 is a schematic view of a construction of a swing bolt;

FIG. 7 is a schematic structural view of a connection assembly;

FIG. 8 is a schematic structural view of a fixing assembly;

FIG. 9 is a schematic view of a first connector;

fig. 10 is a schematic diagram of a structure of a double cantilever insulator.

Icon: 100-a cantilever hoop assembly; 200-a connection assembly; 300-fixing the assembly; 110-a first hoop; 120-a second hoop; 130-swinging bolts; 140-swinging shaft; 150-connecting nuts; 210-connecting rods; 220-spanner; 310-a first clamping plate; 320-a second card; 330-connecting bolts; 340-first connector; 111-screw; 112-connecting plates; 113-anchor ear plates; 121-a clamping groove; 221-a screw sleeve; 222-a force bar; 10-cantilever; 20-cantilever base; 30-insulator.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Some embodiments of the present utility model are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.

When the double-cantilever insulator is replaced, a mode of unloading the rope and the supporting device by using a lever block and a steel wire sleeve or in a car ladder mode is mainly adopted, the operation of the process is complex, stable and reliable support is lacked, the stress is uneven, the cantilever base 20 is extremely easy to pull out, net collapse and hurt people are caused in serious cases, and the problems of high replacement difficulty, low efficiency and insufficient safety exist.

In view of the above, the present utility model provides an insulator changer, comprising a wrist-arm hoop assembly 100, a connecting assembly 200 and a fixing assembly 300; the cantilever hoop assembly 100 comprises a first hoop 110 and a second hoop 120, wherein the first hoop 110 and the second hoop 120 are hinged and used for locking the cantilever 10; the first anchor ear 110 comprises a screw 111, and the screw 111 is in threaded connection with the connecting component 200; one end of the connecting component 200, which is far away from the cantilever hoop component 100, is connected with the fixing component 300; the securing assembly 300 is adapted to be coupled to the wrist mount 20.

According to the insulator changer, the cantilever hoop assembly 100 and the fixing assembly 300 are connected with the cantilever 10 and the cantilever base 20, so that the connecting assembly 200 can temporarily replace the insulator 30, the insulator 30 is convenient to detach, the stability of the double-cantilever insulator is kept, net collapse is avoided, and safety is improved. And when the insulator 30 is replaced, only the cantilever hoop assembly 100 is connected with the cantilever 10, and the fixing assembly 300 is connected with the cantilever base 20, so that equipment such as a lever block and a steel wire sleeve is not needed, the operation is simplified, the structure stability is better kept, the operation difficulty is reduced, and the replacement efficiency is improved.

The structure and shape of the insulator changer according to the present embodiment are described in detail below with reference to fig. 1 to 10:

with respect to the structure of the dual-cantilever insulator, as shown in fig. 10, two triangular structures are included, including a horizontal cantilever, an inclined cantilever, and the corresponding insulator 30 and cantilever base 20. Specifically, the double-cantilever insulator is applied to the center column, the switching column and the switch column of the anchor section joint, and four insulators 30 are provided in total.

In an alternative aspect of this embodiment, the cantilever anchor assembly 100 includes a first anchor 110, a second anchor 120, a swing bolt 130, a swing shaft 140, and a connection nut 150, as shown in fig. 1, 2, and 3.

The first anchor ear 110 includes a screw 111, a connection plate 112, and an anchor ear plate 113. As shown in fig. 4, one end of the connecting plate 112 is connected with the screw 111, and the other end is connected with the anchor ear plate 113; the hoop plate 113 is hinged with the second hoop 120 and can form a ring shape with the second hoop 120.

Specifically, two connecting plates 112 are arranged in parallel, and two ends of each connecting plate 112 are respectively welded with the screw 111 and the hoop plate 113. The hoop plate 113 includes a first hinge portion, a first main body portion, and a first mounting portion, as shown in fig. 3 and 4, where the first hinge portion is welded to the connecting plate 112, one end of the first main body portion is connected to the first hinge portion, the other end is connected to the first mounting portion, and the first mounting portion is hinged to the swing bolt 130.

As shown in fig. 5, the second anchor ear 120 includes a second hinge portion, a second main body portion, and a second mounting portion, where the second hinge portion is coaxially disposed with the first hinge portion, and the second hinge portion and the first hinge portion are rotatably connected by a connecting shaft. The second main body part and the first main body part are both provided with arc plates, and the second main body part and the first main body part can form an annular shape for fixing the wrist arm 10. The second installation part is provided with a clamping groove 121, and the swing bolt 130 can swing into the clamping groove 121; the connecting nut 150 is sleeved on the swing bolt 130 and is in threaded connection with the swing bolt 130; the connecting nut 150 is disposed on a side of the second anchor ear 120 away from the anchor ear plate 113 and abuts against the second anchor ear 120 so that the second anchor ear 120 and the anchor ear plate 113 clamp the wrist arm 10.

As shown in fig. 3 and 6, the swing shaft 140 is inserted into the swing bolt 130 and the anchor plate 113 to achieve the hinge connection therebetween.

In an alternative scheme of this embodiment, the connecting assembly 200 includes a connecting rod 210 and a wrench 220, as shown in fig. 1 and 7, one end of the connecting rod 210 far away from the cantilever hoop assembly 100 is connected with the fixing assembly 300, the other end is provided with a blind hole, and the screw 111 is inserted into the blind hole. The wrench 220 comprises a screw sleeve 221 and a force-applying rod 222, the screw sleeve 221 is sleeved on the screw 111 and is in threaded connection with the screw 111, and the screw sleeve 221 is in rotary connection with one end of the connecting rod 210 far away from the fixed assembly 300; the force bar 222 is connected to the outside of the screw 221, and the axis of the force bar 222 is perpendicular to the axis of the screw 221.

In order to realize the rotational connection between the threaded sleeve 221 and the connecting rod 210, a stop collar can be used to be inserted into the threaded sleeve 221 and the connecting rod 210 at the same time, and the threaded rod 111 is inserted into the stop collar. Specifically, one end of the stop collar is inserted into the connecting rod 210 and fixedly connected with the connecting rod 210, and the other end of the stop collar is provided with a stop table, and the stop table is abutted to one end of the screw collar 221 away from the connecting rod 210 so as to limit the movement of the screw collar 221 along the axial direction.

In an alternative of the present embodiment, the fixing assembly 300 includes a first clamping plate 310, a second clamping plate 320, a first connecting member 340, and a connecting bolt 330. As shown in fig. 8, the first clamping plate 310 and the second clamping plate 320 are arranged on two sides of the cantilever base 20 in parallel, the connecting bolt 330 is inserted into the first clamping plate 310 and the second clamping plate 320, a nut is arranged on one side of the second clamping plate 320, which is away from the first clamping plate 310, the nut is sleeved on the connecting bolt 330 and is abutted with the connecting bolt 330, and meanwhile, the nut is abutted with the second clamping plate 320 so that the first clamping plate 310 and the second clamping plate 320 clamp the cantilever base 20. As shown in fig. 9, the first connector 340 is hinged to the connector assembly 200 at one end and is hinged to the first clamping plate 310 at the other end.

Obviously, at least two connecting bolts 330 are provided to ensure stable connection, and the two connecting bolts 330 are provided on both sides of the cantilever base 20.

In this embodiment, two hinge holes are provided on the first connecting member 340, and the axes of the two hinge holes are perpendicular to each other, so that the connecting rod 210 and the insulator 30 can be realized not to be parallel to each other when in use, the requirement on the connection precision is reduced, and the replacement speed can be improved. Namely, only the cantilever hoop assembly 100 and the fixing assembly 300 are required to be connected with the cantilever 10 and the cantilever base 20 respectively, the extending length of the screw 111 is not required to be accurately adjusted, and stable support can be ensured no matter whether the connecting rod 210 is parallel to the insulator 30 or not.

The working process of the insulator changer provided in this embodiment is as follows:

and (3) installing and fixing an assembly: one connecting bolt 330 is loosened, the second clamping plate 320 can rotate around the other connecting bolt 330, the first clamping plate 310 and the second clamping plate 320 are placed on two sides of the cantilever base 20, then the connecting bolt 330 is reloaded and locked by nuts, and the first clamping plate 310 and the second clamping plate 320 clamp the cantilever base 20 to complete the installation of the fixing assembly 300.

Installing a cantilever hoop assembly: pushing the swing bolt 130 to disengage the swing bolt 130 from the clamping groove 121, then rotating the second hoop 120 to separate the second hoop 120 from the hoop plate 113, so that the cantilever 10 can be installed in the annular space formed by the hoop plate 113 and the second hoop 120, then swinging the swing bolt 130 into the clamping groove 121 and tightening the connecting nut 150, so that the connecting nut 150 abuts against the second hoop 120, and then the second hoop 120 and the hoop plate 113 clamp the cantilever 10, thereby completing the installation of the cantilever hoop assembly 100.

Fastening bolts: the individual bolts are tightened to prevent a weak connection.

Insulator unloading: the stressing rod 222 is pushed to rotate the threaded sleeve 221, so that the threaded rod 111 moves along the direction away from the fixed assembly 300, namely, the distance between the cantilever hoop assembly 100 and the fixed assembly 300 along the length direction of the insulator 30 is increased, the insulator 30 is unloaded, and then the pins and the pressing plates on the insulator 30 can be removed to replace the new insulator 30.

Disassembling the replacer: after the insulator 30 is replaced, the cotter pin and the bolt are checked to be complete, so that the insulator replacement device is removed after the insulator 30 is reliably installed, and the operation is finished.

It should be noted that, when the fixing assembly 300 is used, only the nut is loosened and one connecting bolt 330 is detached, so that the next use is facilitated, and the workload is reduced. It is apparent that only one connecting bolt 330 may be provided in the fixing assembly 300, and the other connecting bolt 330 may be replaced with a connecting shaft. In addition, in order to avoid the connecting bolt 330 from losing and scattering, the connecting bolt 330 can adopt a connecting mode of the swing bolt 130 in the cantilever anchor ear assembly 100, and a corresponding clamping groove 121 is formed in the second clamping plate 320, so that the nut is only required to be loosened, the nut is not required to be completely detached from the connecting bolt 330, the workload is reduced, and the nut is prevented from losing and scattering.

The insulator changer provided in this embodiment may also be applied to a single-arm insulator 30, and the fixing assembly 300 is modified, so that the fixing assembly 300 is adapted to the corresponding cantilever base 20.

The insulator replacement device provided by the embodiment can temporarily replace the insulator 30, and realizes stable support through reliable connection of the two ends of the insulator replacement device with the cantilever 10 and the cantilever base 20, so that the structural stability of the double-cantilever insulator is ensured, and net collapse is avoided. And the old insulator 30 is unloaded by adjusting the screw 111 to replace the new insulator 30.

It should be noted that, to ensure safety, the two-cantilever insulators need to be replaced one by one or two insulators 30 at opposite angles are replaced by two insulator replacing devices at the same time when the two-cantilever insulators are replaced, so that the occurrence of net collapse and other conditions is avoided.

The insulator changer provided by the embodiment can ensure stable stress, stress points of the whole process of changing the insulator 30 are all in the same vertical plane, longitudinal tension is not existed, safety is ensured, operation steps and difficulty are simplified through structural arrangement, and the time for changing the double-cantilever insulator is greatly shortened. In addition, compared with chain type soft connection of the lever block, the rigid connection of the insulator changer is more stable and higher in safety.

Especially for the section that skylight time is shorter, the time of changing insulator 30 is urgent, is difficult to accomplish the change task in the stipulated time, through the insulator change ware that this embodiment provided, when changing one set of two cantilever insulators that have flat cantilever and oblique cantilever, shorten to 15 minutes from 40 minutes, eliminated the hidden danger that insulating pollution flashover in local department.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (10)

1. The insulator changer is characterized by comprising a cantilever hoop assembly (100), a connecting assembly (200) and a fixing assembly (300);

the cantilever hoop assembly (100) comprises a first hoop (110) and a second hoop (120), wherein the first hoop (110) and the second hoop (120) are hinged and used for locking the cantilever (10);

the first anchor ear (110) comprises a screw rod (111), and the screw rod (111) is in threaded connection with the connecting component (200);

one end of the connecting component (200) far away from the cantilever hoop component (100) is connected with the fixing component (300);

the fixing component (300) is used for being connected with the cantilever base (20).

2. The insulator changer according to claim 1, wherein the first anchor ear (110) further comprises a connecting plate (112) and an anchor ear plate (113), wherein one end of the connecting plate (112) is connected to the screw (111) and the other end is connected to the anchor ear plate (113);

the hoop plate (113) is hinged with the second hoop (120) and can form an annular shape with the second hoop (120).

3. The insulator changer according to claim 2, wherein the cantilever anchor ear assembly (100) further comprises a swing bolt (130), one end of the swing bolt (130) is hinged to the anchor ear plate (113), and the other end is connected to the second anchor ear (120).

4. The insulator changer according to claim 3, wherein the wrist-arm hoop assembly (100) further comprises a swing shaft (140), the swing shaft (140) being inserted into the swing bolt (130) and the hoop plate (113);

the swing bolt (130) can rotate around the axis of the swing shaft (140).

5. The insulator changer according to claim 4, wherein the wrist-arm hoop assembly (100) further comprises a connection nut (150), the connection nut (150) being sleeved on the swing bolt (130) and being screwed with the swing bolt (130);

the clamping groove (121) is formed in the second hoop (120), the swing bolt (130) can swing into the clamping groove (121), and the connecting nut (150) is arranged on one side, deviating from the hoop plate (113), of the second hoop (120) and is abutted to the second hoop (120).

6. The insulator changer according to claim 1, wherein the connecting assembly (200) comprises a connecting rod (210) and a wrench (220), the screw (111) is inserted into the connecting rod (210), and an end of the connecting rod (210) away from the cantilever anchor ear assembly (100) is connected with the fixing assembly (300);

the wrench (220) comprises a screw sleeve (221), the screw sleeve (221) is sleeved on the screw rod (111) and is in threaded connection with the screw rod (111), and the screw sleeve (221) is in rotary connection with one end, far away from the fixing assembly (300), of the connecting rod (210).

7. The insulator changer according to claim 6, wherein the wrench (220) further comprises a force lever (222), the force lever (222) being connected with the screw sleeve (221).

8. The insulator changer according to claim 1, wherein the fixing assembly (300) comprises a first clamping plate (310) and a second clamping plate (320), the first clamping plate (310) and the second clamping plate (320) being arranged at both sides of the cantilever base (20) for clamping the cantilever base (20).

9. The insulator changer according to claim 8, wherein the fixing assembly (300) further comprises a connecting bolt (330), the connecting bolt (330) being inserted into the first clamping plate (310) and the second clamping plate (320).

10. The insulator changer according to claim 9, wherein the fixing assembly (300) further comprises a first connection member (340), the first connection member (340) being hinged at one end to the connection assembly (200) and at the other end to the first clamping plate (310).