CN114094498A

CN114094498A - Cable jacking tool

Info

Publication number: CN114094498A
Application number: CN202210076311.0A
Authority: CN
Inventors: 黄耀; 李帅; 王朝松; 任建超; 尉文
Original assignee: State Grid Ruijia Tianjin Intelligent Robot Co ltd
Current assignee: State Grid Ruijia Tianjin Intelligent Robot Co ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-02-25
Anticipated expiration: 2042-01-24
Also published as: CN114094498B

Abstract

The invention provides a cable jacking tool, which relates to the technical field of power equipment and comprises a fixed seat assembly, an insulating connecting piece, a cable bracket and a lifting mechanism, wherein the fixed seat assembly comprises a fixed seat and a lifting mechanism; wherein: the fixing seat assembly comprises a fixing base and a locking device arranged on the fixing base, and the locking device is configured to be capable of locking the fixing base to the cross arm under a first working condition and releasing the fixing base to the cross arm under a second working condition; the lifting mechanism is connected to the fixed base, the insulating connecting piece is connected to the lifting mechanism, and the cable bracket is connected to the insulating connecting piece; the lifting mechanism is configured to drive the insulating connecting piece to lift relative to the fixed base so as to drive the cable bracket to lift; the cable support is provided with a cable supporting part. The invention solves the technical problems that the cable bus is easy to deform and break and the replacement work is easily influenced by complicated replacement operation field conditions in the existing support insulator replacement mode, so that the replacement efficiency is low.

Description

Cable jacking tool

Technical Field

The invention relates to the technical field of power equipment, in particular to a cable jacking tool.

Background

In transmission line, will set up the insulator and come to carry out insulation treatment between cable and the cross arm between cable and cross arm, many insulators need often to maintain and change because of reasons such as ageing and flashover to have reliable insulation between assurance cable and the cross arm.

When the insulator is replaced, the cable above the insulator needs to be detached and then replaced, and the cable is heavy, so that the detached cable needs to be fixed after being lifted.

Disclosure of Invention

The invention aims to provide a cable jacking tool to solve the technical problems that a cable bus is easy to deform and break and replacement work is easily influenced by complicated replacement operation site conditions in the existing support insulator replacement mode, so that the replacement efficiency is low.

In order to achieve the above purpose, the embodiment of the invention adopts the following technical scheme:

the embodiment of the invention provides a cable jacking tool, which comprises a fixed seat assembly, an insulating connecting piece, a cable bracket and a lifting mechanism, wherein the fixed seat assembly comprises a fixed seat and a fixed seat; wherein: the fixing seat assembly comprises a fixing base and a locking device arranged on the fixing base, and the locking device is configured to be capable of locking the fixing base to the cross arm under a first working condition and releasing the fixing base to the cross arm under a second working condition; the lifting mechanism is connected to the fixed base, the insulating connecting piece is connected to the lifting mechanism, and the cable bracket is connected to the insulating connecting piece; the lifting mechanism is configured to drive the insulating connecting piece to lift relative to the fixed base so as to drive the cable bracket to lift; the cable support is provided with a cable supporting part.

The cable jacking tool provided by the embodiment of the invention is mainly applied to the work of replacing insulators through man-machine cooperative work, and is cooperatively operated with a robot electric pole, when the insulators are replaced through man-machine cooperative work, the cable jacking tool is used for lifting the cable away from the insulators, the insulators are convenient to replace, and the cable is lowered and placed back to the insulators after the insulators are replaced.

The cable jacking tool is reliable in structure, can be quickly, stably and reliably fixed and quickly detached on a cross arm, and can be used for quickly jacking a cable in a labor-saving manner under a first working condition under the action of the lifting mechanism and the fixing seat assembly, so that an insulator can be conveniently and cooperatively replaced by a man-machine, and quickly lowering the jacked cable into the insulator under a second working condition, so that the cable lowering and returning function is realized; and when jacking up and descending the cable, the cable generating line is difficult for the deformation fracture, and man-machine cooperation operation receives the influence of complex environment factor less, and convenient, swift when the operation personnel change the insulator is favorable to improving the operating efficiency.

More specific configurations of embodiments of the present invention and modes for their use are described in detail in the detailed description section of this specification.

In an optional implementation manner of this embodiment, the locking device includes a hinge base, a pressing base, a threaded pressing piece, and a pressing base rotation stopping structure;

the hinge seat is fixed on the fixed base, the pressing seat is rotatably connected to the hinge seat, and the threaded pressing piece penetrates through and is in threaded connection with the inside of a threaded hole formed in the pressing seat; the thread pressing piece can rotate relative to the pressing seat to press the cross arm between the pressing seat and the fixed base;

the rotation stopping structure of the pressing seat is configured to be capable of tightly propping one end of the pressing seat under the first working condition so that the pressing seat cannot rotate relative to the hinge seat, and the pressing seat is released under the second working condition.

Further optionally, the rotation stopping structure of the pressing seat comprises a pin seat, a pin shaft handle and an elastic energy storage assembly;

the bolt seat is fixed on the fixed base, the bolt shaft is slidably mounted in a bolt sliding groove formed in the bolt seat, a handle of the bolt shaft is fixed on the circumferential surface of the bolt shaft and extends out of the bolt sliding groove, the elastic energy storage assembly is mounted between the fixed base and the bolt shaft, and the elastic energy storage assembly is configured to enable the bolt shaft to extend forwards all the time and to tightly press the movement trend of one end of the pressing seat;

the bolt shaft handle is configured to be capable of pulling the bolt shaft to slide along the bolt sliding groove in a direction away from the end of the pressing seat under the second working condition, so that the bolt shaft retracts backwards against the elastic force of the elastic energy storage assembly, and the pressing seat is released.

Further optionally, the elastic energy storage component comprises a latch spring, the latch spring is arranged in the latch sliding groove, and the latch spring is sleeved outside the latch shaft and located on the front side of the handle of the latch shaft.

Still further optionally, the elastic energy storage component further comprises a steel ball spring and a steel ball, a blind hole is formed in the portion, located on the rear side of the bolt shaft handle, of the bolt seat, the steel ball and the steel ball spring are mounted in the blind hole, the steel ball is arranged on the front side of the steel ball spring, and the steel ball abuts against a steel ball groove formed in the rear side of the circumferential surface of the bolt shaft handle.

In an optional implementation manner of this embodiment, the lifting mechanism includes a top beam, a middle cross beam, a lead screw with a lead screw nut, and a ratchet handle;

the lower end of the lead screw penetrates through the fixed base and is connected with the fixed base through a first bearing, the upper end of the lead screw is connected with the top beam through a second bearing, the ratchet handle is connected with the lower end of the lead screw through a coupler, the lead screw nut is positioned between the top beam and the fixed base, the middle cross beam is fixed on the lead screw nut, and the insulating connecting piece is connected with the middle cross beam;

the ratchet wheel handle is configured to control the screw rod to rotate forwards or reversely, so that the screw rod nut can lift relative to the screw rod, and the cable support connected to the insulating connecting piece on the middle cross beam is driven to lift.

Further optionally, the lifting mechanism further comprises at least one guide shaft, the lower end of the guide shaft is fixed to the fixed base, and the upper end of the guide shaft is fixed to the top beam; the middle cross beam is also fixedly connected with a linear bearing, and the guide shaft is arranged in the linear bearing.

Optionally, the insulating connector is threadably connected to the middle cross member by a cam handle.

Optionally, the lifting mechanism further comprises at least one supporting diagonal rod, the upper end of the supporting diagonal rod is fixedly connected to the top beam, and the lower end of the supporting diagonal rod is fixedly connected to the fixed base.

In an optional implementation manner of this embodiment, the cable supporting portion includes a supporting groove and a bracket cover, the supporting groove is disposed at the top of the cable bracket, and the bracket cover is rotatably connected to the cable bracket to open and close the supporting groove.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic overall structure diagram of a cable jacking tool according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a partial cross-sectional structural view of the cable jacking tool holder assembly shown in FIG. 1 at the locking device;

fig. 4 is a partial structural cross-sectional view at the cable jacking tool lifting mechanism shown in fig. 1.

Icon: 1-fixing a base; 2-a locking device; 21-a hinge mount; 211-hinge axis; 22-a compression seat; 23-a threaded compression member; 24-a pressing seat rotation stopping structure; 241-a pin seat; 2411-bolt seat rear cover; 242-latch shaft; 243-bolt shaft handle; 244-a latch spring; 245-a steel ball spring; 246-steel balls; 3-an insulating connector; 4-a cable support; 41-support groove; 42-a bracket cover; 51-a top beam; 52-middle cross beam; 53-lead screw nut; 54-a lead screw; 55-a coupler; 56-ratchet handle; 561-a reversing button; 562-a ratchet assembly; 5621-ratchet teeth; 563-ratchet cover plate; 564-an operating handle; 5701-first bearing; 5702-second bearing; 571-bearing end covers; 58-a guide shaft; 581-a guide shaft support; 59-linear bearings; 61-large cam handle; 62-small cam handle; 7-supporting the diagonal rods.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention 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 present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally laid out when products of the present invention are used, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

The present embodiment provides a cable jacking tool, which includes a shoe assembly, an insulating connector 3, a cable bracket 4, and a lifting mechanism, referring to fig. 1 to 4.

Specifically, as shown in fig. 1, wherein: the fixing seat assembly comprises a fixing base 1 and a locking device 2 arranged on the fixing base 1, wherein the locking device 2 is configured to lock the fixing base 1 to the cross arm under a first working condition and release the fixing base 1 to the cross arm under a second working condition; the lifting mechanism is connected to the fixed base 1, the insulating connecting piece 3 is connected to the lifting mechanism, and the cable bracket 4 is connected to the insulating connecting piece 3; the lifting mechanism is configured to drive the insulating connecting piece 3 to lift relative to the fixed base 1 so as to drive the cable bracket 4 to lift; the cable holder 4 is provided with a cable support portion.

The cable jacking instrument that this embodiment provided is mainly applied to man-machine cooperation operation and changes the work of insulator, with the cooperation of electrified machine people pole, when man-machine cooperation changes the insulator, utilizes this cable jacking instrument to promote the cable and leaves the insulator, makes things convenient for the insulator to change to after the insulator is changed and is accomplished, put back the insulator with the cable decline. The specific use of this example is as follows:

referring to fig. 1, in use, under a first working condition that a cable needs to be lifted off an insulator, a cable supporting part on a cable bracket 4 is aligned to the cable with the cable supporting part located right below the cable as an optimal alignment position, and a locking device 2 is operated in cooperation with a human machine to lock a fixing base 1 on a cross arm, so that the cable lifting tool can be fixed quickly, simply and reliably; then, operating the lifting mechanism to drive the insulating connecting piece 3 to ascend relative to the fixed base 1 so as to drive the cable bracket 4 to ascend, and stopping the action of the lifting mechanism when the cable is bent and falls into the supporting position of the cable supporting part to detach the cable from the insulator; after the cable is removed, the lifting mechanism is continuously operated to drive the insulating connecting piece 3 to ascend relative to the fixing base 1 so as to drive the cable support 4 to ascend, so that the cable is easily jacked up, after the cable is jacked to a specified height, the lifting mechanism stops acting, man-machine cooperative work is started to replace the insulator, and the cable is jacked up by the cable jacking tool;

after a new insulator is replaced, the cable is required to descend and be placed back to the insulator under a second working condition, the lifting mechanism is controlled, the insulating connecting piece 3 is driven to descend relative to the fixing base 1 to drive the cable support 4 to descend, the cable moves downwards under the action of gravity and the cable support 4 at the moment, when the cable is bent and falls into the mounting groove of the new insulator, the lifting mechanism is suspended, the cable is fixed on the new insulator, the lifting mechanism is continuously operated after the cable is fixed, the insulating connecting piece 3 is driven to descend relative to the fixing base 1 until the cable support 4 descends to a wrapping range where the cable is separated from the cable support 4, and descending and resetting of the cable jacking tool are achieved;

finally, man-machine interoperation locking device 2 releases unable adjustment base 1 in the cross arm, and at this moment, directly can take off this cable jacking instrument from the cross arm, can realize cable jacking instrument's quick dismantlement.

The cable jacking tool provided by the embodiment is reliable in structure, can be quickly, stably and reliably fixed and quickly detached on the cross arm, can jack up a cable in a labor-saving and quick mode under the action of the lifting mechanism and the fixing seat assembly under a first working condition, facilitates man-machine cooperative replacement of insulators, and can quickly lower the jacked cable into the insulators under a second working condition to achieve the cable descending and returning function; and when jacking up and descending the cable, the cable generating line is difficult for the deformation fracture, and man-machine cooperation operation receives the influence of complex environment factor less, and convenient, swift when the operation personnel change the insulator is favorable to improving the operating efficiency.

The main usage of the present embodiment is generally described above, and the following describes more specific structure of the present embodiment in detail:

the present embodiment has a plurality of more specific optional embodiments, wherein, typically but not limited to:

first, in the present embodiment, the cable supporting portion provided on the cable holder 4 has various structures, for example, but not limited to, as shown in fig. 1, the cable holder 4 includes a supporting groove 41 and a holder cover 42, wherein the supporting groove 41 is provided at the top of the cable holder 4, the holder cover 42 is rotatably connected to the cable holder 4 to open and close the supporting groove 41, a locking structure may be provided between one end of the holder cover 42 and the cable holder 4 to limit the cable after closing the supporting groove 41, and the arrangement of the structure of the holder cover 42 can effectively prevent the cable from separating from the supporting groove 41 when the cable is lowered and put back, so as to accurately align the cable, of course, in other optional embodiments of the present embodiment, the holder cover 42 may not be provided, but a buckle or other supporting structure with a fixing structure may be used as the cable supporting portion of the cable holder 4.

Secondly, in the present embodiment, the locking device 2 provided on the fixing base 1 also has various optional structures, wherein, preferably, but not limited to, as shown in fig. 1 to 3, the locking device 2 includes a hinge seat 21, a pressing seat 22, a threaded pressing piece 23 and a pressing seat rotation stopping structure 24. The screw pressing piece 23 is a structural piece with a threaded rod body, such as a bolt, a screw or a threaded rod, the hinge base 21 is fixedly connected to the fixed base 1 through the bolt, the screw or an integral connection or in other manners, the pressing base 22 is rotatably connected to the hinge base 21 through the hinge shaft 211 or other rotating structures, and the screw pressing piece 23 penetrates through and is in threaded connection with the inside of a threaded hole formed in the pressing base 22; the threaded pressing piece 23 can rotate relative to the pressing seat 22 to press the cross arm between the pressing seat 22 and the fixed base 1; the pressing base rotation stopping structure 24 is configured to be able to push against one end of the pressing base 22 under the aforementioned first operating condition, so that the pressing base 22 cannot rotate relative to the hinge base 21, and to release the pressing base 22 under the aforementioned second operating condition. More specifically, compress tightly seat 22 and prefer L shape or other structures that have the hem at the lower extreme, compress tightly seat 22 and be located one side of unable adjustment base 1, and its hem is located unable adjustment base 1's below, and screw thread pressing member 23 passes and threaded connection is in setting up the threaded hole on compressing tightly seat 22 lower extreme hem, and through using intelligent socket spanner of robot or ordinary spanner to twist screw thread pressing member 23, can compress tightly the cross arm between compressing tightly seat 22 and unable adjustment base 1.

Further, the specific structural form of the compressing seat rotation-stopping structure 24 may be, but is not limited to, as shown in fig. 1 to fig. 3, and includes a latch seat 241, a latch shaft 242, a latch shaft handle 243, and an elastic energy-storing assembly. Wherein: the latch base 241 is fixedly connected to the fixed base 1 by bolts or screws or integrally connected or in other ways, the latch shaft 242 is slidably mounted in a latch sliding groove provided on the latch base 241, the latch sliding groove may, but is not limited to, penetrate through the latch base 241 and perform rear end sealing by a latch base rear cover 2411 as shown in fig. 1; the latch shaft handle 243 is fixedly connected to the peripheral surface of the latch shaft 242 by a screw or a connecting pin or integrally manufactured or otherwise and extends out of the latch chute, and the elastic energy storage component is installed between the fixed base 1 and the latch shaft 242 and is configured to make the latch shaft 242 always extend forward and press against the movement tendency of one end of the pressing base 22. The latch shaft handle 243 is configured to pull the latch shaft 242 to slide along the latch runner in a direction away from the end of the pressing base 22 under the second operating condition, so that the latch shaft 242 retracts backward against the elastic force of the elastic energy storage assembly to release the pressing base 22, and the forward and backward directions are shown in fig. 3.

In this alternative embodiment, specifically, the elastic energy storage component may include, but is not limited to, a latch spring 244, the latch spring 244 is disposed in the latch sliding groove, and the latch spring 244 is sleeved outside the latch shaft 242 and is located at the front side of the latch shaft handle 243. Under the first working condition, the latch spring 244 is in a free state, and under the action of the elastic force of the latch spring, the latch shaft 242 extends forwards and tightly pushes one end of the pressing seat 22, so that the pressing seat 22 cannot rotate relative to the hinge seat 21, and the stability of the locking device 2 for locking the fixed base 1 on the cross arm is further improved; in the second operating condition, when the latch shaft handle 243 is pulled backwards, the latch shaft 242 can be pulled to slide along the latch chute in the direction away from the end of the pressing base 22, so that the latch shaft 242 retracts backwards against the elastic force of the elastic energy storage component, and the pressing base 22 is released, so that the cable jacking tool can be detached from the cross arm.

Furthermore, as shown in fig. 3, the elastic energy storage assembly further includes a steel ball spring 245 and a steel ball 246, a blind hole is formed in a portion of the latch seat 241 located on the rear side of the latch shaft handle 243, the steel ball 246 and the steel ball spring 245 are both installed in the blind hole, the steel ball 246 is located on the front side of the steel ball spring 245, the steel ball 246 abuts against a steel ball groove formed in the rear side of the peripheral surface of the latch shaft handle 243, and by arranging the steel ball 246 and the steel ball spring 245, the motion stability of the latch shaft handle 243 can be further improved on the basis of the latch shaft spring 244, and the latch shaft handle 243 is prevented from moving in a dislocation manner.

In addition, in the present embodiment, there are various specific alternative structures for the lifting mechanism, such as but not limited to: as shown in fig. 1, 2 and 4, the lifting mechanism includes a top beam 51, a middle cross beam 52, a lead screw 54 with a lead screw nut 53, and a ratchet handle 56. Wherein, ratchet handle 56 adopts the ratchet handle structure commonly used in current machinery field, and its component parts mainly include reversing button 561 as shown in fig. 1, fig. 2 and fig. 4, ratchet assembly 562 including ratchet tooth 5621, ratchet apron 563 and operating handle 564, and it is generally through the shaft coupling connection in the dwang, under the cooperation of ratchet assembly 562, reciprocal rotation operating handle 564, can realize controlling dwang unidirectional rotation, through reversing button 561 switchable operation dwang unidirectional rotation forward rotation or reverse rotation, promptly: during specific use, firstly, the reversing button 561 is adjusted to determine a direction in which the rotating rod needs to rotate, then the operating handle 564 is rotated in a reciprocating mode to control the rotating rod to rotate in one direction, then the reversing button 561 is adjusted to switch the direction, then the operating handle 564 is rotated in a reciprocating mode to control the rotating rod to rotate in another direction, and the more specific structure is a conventional technical means in the prior art, can be obtained by referring to a prior mechanical engineering manual, and is not described again.

In this optional embodiment, the lower end of the lead screw 54 passes through and is connected to the bearing mounting hole on the fixed base 1 through the first bearing 5701, the fixed base 1 is fixedly connected with the bearing end cover 571 through a bolt or a screw or other connecting member to compress the first bearing 5701 on the fixed base 1, and the upper end of the lead screw 54 is connected to the bearing mounting hole on the top beam 51 through the second bearing 5702; the ratchet assembly 562 of the ratchet handle 56 is fixed at the lower end of the coupling 55 through a bolt or a screw or other connecting piece, the upper end of the coupling 55 is connected at the lower end of the lead screw 54 through a bolt or a screw or other connecting piece, the lead screw nut 53 which is preferably connected to the lead screw 54 through trapezoidal threads is positioned between the top beam 51 and the fixed base 1, the lead screw nut 53 is fixedly connected to the middle cross beam 52 through a bolt or a screw or other connecting piece, and the insulating connecting piece 3 is fixedly connected to the middle cross beam 52 through a bolt or a screw or other connecting piece. The ratchet handle 56 is configured to control the screw 54 to rotate in a forward or reverse direction, so that the screw nut 53 is lifted relative to the screw 54, and the cable support 4 connected to the insulating connector 3 on the middle cross member 52 is lifted.

With continuing reference to fig. 1, 2 and 4, in a further alternative, in this embodiment, the lifting mechanism further includes at least one guide shaft 58, which is illustrated as two separate parts on two sides of the lead screw 54, but is not limited to two separate parts, and the lower end of the guide shaft 58 is fixed to the fixed base 1 by, but not limited to, fixedly connecting the guide shaft support 581 to the fixed base 1 by a bolt or a screw or other connection member, and the lower end of the guide shaft 58 extends into the shaft support hole at the top of the guide shaft support 581 and is fixed by a connection member such as a bolt or a screw or a pin; the upper end of the guide shaft 58 is fixed to the top beam 51 by a connecting member such as a bolt, a screw, or a pin; a linear bearing 59 is also fixedly connected to the middle cross member 52 by a connecting member such as a bolt, a screw, or a pin, and the guide shaft 58 is mounted inside the linear bearing 59.

In addition, in this alternative embodiment, there are various specific connection manners for connecting the insulating connecting member 3 to the middle cross member 52, for example, but not limited to, as shown in fig. 1 to 4, the insulating connecting member 3 is connected to the middle cross member 52 by a cam handle, the cam handle may include a large cam handle 61 and a small cam handle 62 respectively disposed on the top surface and the bottom surface of the insulating connecting member 3 as shown in the figure, and the specific structure of the cam handle may be obtained according to a mechanical engineering manual, and will not be described herein again.

In addition, in order to increase the stability of the lifting mechanism, as shown in fig. 1, in the present alternative embodiment, the lifting mechanism further includes at least one supporting diagonal rod 7, an upper end of the supporting diagonal rod 7 is fixedly connected to the top beam 51 through a bolt or a screw or other connecting member, and a lower end of the supporting diagonal rod 7 is fixedly connected to the fixed base 1 through a bolt or a screw or other connecting member.

Finally, it should be noted that: the embodiments in the present description are all described in a progressive manner, each embodiment focuses on the differences from the other embodiments, and the same and similar parts among the embodiments can be referred to each other; the above embodiments in the present specification are only used for illustrating the technical solutions of the present invention, and not for limiting the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A cable jacking tool is used for cooperating with a man-machine to cooperatively replace an insulator and is characterized by comprising a fixed seat assembly, an insulating connecting piece (3), a cable bracket (4) and a lifting mechanism; wherein:

the fixing base assembly comprises a fixing base (1) and a locking device (2) arranged on the fixing base (1), wherein the locking device (2) is configured to lock the fixing base (1) to a cross arm under a first working condition and release the fixing base (1) to the cross arm under a second working condition; the lifting mechanism is connected to the fixed base (1), the insulating connecting piece (3) is connected to the lifting mechanism, and the cable bracket (4) is connected to the insulating connecting piece (3); the lifting mechanism is configured to drive the insulating connecting piece (3) to lift relative to the fixed base (1) so as to drive the cable bracket (4) to lift; the cable support (4) is provided with a cable supporting part;

the locking device (2) comprises a hinge seat (21), a pressing seat (22), a thread pressing piece (23) and a pressing seat rotation stopping structure (24); the hinge seat (21) is fixed on the fixed base (1), the pressing seat (22) is rotatably connected to the hinge seat (21), and the threaded pressing piece (23) penetrates through and is in threaded connection with the inside of a threaded hole formed in the pressing seat (22); the threaded pressing piece (23) can rotate relative to the pressing seat (22) to press the cross arm between the pressing seat (22) and the fixed base (1); the compression seat rotation stopping structure (24) is configured to be capable of tightly pressing one end of the compression seat (22) under the first working condition so that the compression seat (22) cannot rotate relative to the hinge seat (21), and releasing the compression seat (22) under the second working condition;

the compression seat rotation stopping structure (24) comprises a bolt seat (241), a bolt shaft (242), a bolt shaft handle (243) and an elastic energy storage assembly;

the bolt seat (241) is fixed on the fixed base (1), the bolt shaft (242) is slidably mounted in a bolt sliding groove formed in the bolt seat (241), a bolt shaft handle (243) is fixed on the circumferential surface of the bolt shaft (242) and extends out of the bolt sliding groove, the elastic energy storage assembly is mounted between the fixed base (1) and the bolt shaft (242), and the elastic energy storage assembly is configured to enable the bolt shaft (242) to extend forwards all the time and to prop against the movement trend of one end of the pressing seat (22);

the latch shaft handle (243) is configured to be capable of pulling the latch shaft (242) to slide along the latch sliding groove towards the direction away from the end of the pressing seat (22) under the second working condition, so that the latch shaft (242) retracts backwards to overcome the elastic force of the elastic energy storage component, and the pressing seat (22) is released.

2. The cable jacking tool of claim 1, wherein the resilient energy storing assembly comprises a latch spring (244), the latch spring (244) is disposed within the latch runner, and the latch spring (244) is sleeved outside the latch shaft (242) and is located at a front side of the latch shaft handle (243).

3. The cable jacking tool as claimed in claim 2, wherein the elastic energy storage assembly further comprises a steel ball spring (245) and a steel ball (246), a blind hole is formed in a position, located on the rear side of the latch shaft handle (243), of the latch seat (241), the steel ball (246) and the steel ball spring (245) are mounted in the blind hole, the steel ball (246) is arranged on the front side of the steel ball spring (245), and the steel ball (246) abuts against a steel ball groove formed in the rear side of the circumferential surface of the latch shaft handle (243).

4. Cable jacking tool according to claim 1, wherein the lifting mechanism comprises a top beam (51), a middle cross beam (52), a lead screw (54) with a lead screw nut (53), and a ratchet handle (56);

the lower end of the lead screw (54) penetrates through and is connected to the fixed base (1) through a first bearing (5701), the upper end of the lead screw (54) is connected to the top beam (51) through a second bearing (5702), the ratchet handle (56) is connected to the lower end of the lead screw (54) through a coupler (55), the lead screw nut (53) is located between the top beam (51) and the fixed base (1), the middle cross beam (52) is fixed to the lead screw nut (53), and the insulating connecting piece (3) is connected to the middle cross beam (52);

the ratchet wheel handle (56) is configured to control the lead screw (54) to rotate forwards or reversely, so that the lead screw nut (53) can lift relative to the lead screw (54), and the cable support (4) connected to the insulating connecting piece (3) on the middle cross beam (52) is driven to lift.

5. The cable jacking tool according to claim 4, wherein the lifting mechanism further comprises at least one guide shaft (58), a lower end of the guide shaft (58) being fixed to the stationary base (1), an upper end of the guide shaft (58) being fixed to the top beam (51); the middle cross beam (52) is also fixedly connected with a linear bearing (59), and the guide shaft (58) is arranged in the linear bearing (59).

6. Cable jacking tool according to claim 4, wherein the insulating connector (3) is screwed to the middle cross-member (52) by means of a cam handle.

7. Cable jacking tool according to claim 4, wherein said lifting mechanism further comprises at least one support diagonal (7), an upper end of said support diagonal (7) being fixedly connected to said top beam (51), a lower end of said support diagonal (7) being fixedly connected to said stationary base (1).

8. The cable jacking tool according to claim 1, wherein the cable supporting part includes a supporting groove (41) and a bracket cover (42), the supporting groove (41) being provided at a top of the cable bracket (4), the bracket cover (42) being rotatably connected to the cable bracket (4) to open and close the supporting groove (41).