CN115020048A

CN115020048A - Assembling and disassembling device for ceramic composite insulator of overhead transmission line

Info

Publication number: CN115020048A
Application number: CN202210819532.2A
Authority: CN
Inventors: 赵建文; 杨志刚; 路博文; 安建光; 闫方贞; 王勇; 高猛; 张文轩; 陈永超; 丛恒
Original assignee: State Grid Shandong Electric Power Co Construction Co; State Grid Corp of China SGCC; Shandong Liancheng Engineering Construction Supervision Co Ltd
Current assignee: State Grid Shandong Electric Power Co Construction Co; State Grid Corp of China SGCC; Shandong Liancheng Engineering Construction Supervision Co Ltd
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2022-09-06

Abstract

The invention discloses an assembling and disassembling device for a porcelain composite insulator of an overhead transmission line, which comprises a hook body, wherein the hook body comprises a front side and a rear side, the front side of the hook body is provided with a limiting mechanism, the limiting mechanism extends and retracts in the hook body to control a locking pin to be separated from the limit of the hook body, the rear side of the hook body is provided with a puller mechanism, the puller mechanism rotates to control the limiting mechanism to extend and retract in the hook body, one side of the puller mechanism is provided with a control mechanism, and the control mechanism controls the rotating angle of the puller mechanism. The invention can effectively prevent hands from being damaged without extending the hands between the adjacent insulators, and the locking pin is hooked by the hook body, so that the locking pin can be quickly pulled out without being limited by the space between the adjacent insulators, and the locking pin is knocked into the locking pin hole by the handle, thereby facilitating the operation and improving the assembly efficiency.

Description

Assembling and disassembling device for porcelain composite insulator of overhead transmission line

Technical Field

The invention relates to the technical field of power transmission and transformation engineering construction, in particular to an assembling and disassembling device for a porcelain composite insulator of an overhead power transmission line.

Background

Before the AC disc type porcelain composite insulator is applied to an overhead transmission line, multiple or multiple sections of insulators in a string need to be connected into a string, and therefore installation is needed. Receive the restriction in space between two adjacent insulators in the installation, adopt spanner, pliers etc. to strike and just can reinsert the fitting pin, adopt spanner, pliers etc. to cause the staff to be injured or cause the insulator impaired easily.

After porcelain composite insulator connects into the cluster, sometimes according to site topography and construction requirement, need become the multistage with the split of cluster insulator, the insulator of the multistage of splitting into simultaneously is also convenient for transport, at the in-process of dismantling, because the space range between two adjacent insulators is limited, adopt pliers, instrument cooperation such as screwdriver or spanner is dismantled, because pliers, the length of screwdriver or spanner is limited, consequently, need the staff to stretch into between two adjacent insulators, it is extremely inconvenient to operate, perhaps exert oneself inequality slightly, the spanner, screwdriver or pliers can touch the insulator, cause the insulator impaired.

Disclosure of Invention

The invention provides an assembling and disassembling device for a porcelain composite insulator of an overhead transmission line, which aims to solve the technical problem that the porcelain composite insulator is easily clamped by hands or damaged by disassembling and assembling the porcelain composite insulator by using tools such as a spanner, a pliers and the like.

The invention is realized by the following measures:

the utility model provides an equipment and dismounting device for overhead transmission line porcelain composite insulator, includes and colludes the body, collude the body and include front side and rear side, the front side of colluding the body is provided with stop gear, stop gear is colluding internal retractile and control the fitting pin and break away from the restriction of colluding the body, it is provided with a tight mechanism in top to collude body rear side, the tight mechanism in top is rotatory to be used for control stop gear is in collude internal flexible, tight mechanism one side in top is provided with control mechanism, control mechanism control the tight mechanism in top rotatory angle.

Furthermore, the inner side of the bottom of the hook body is provided with a recess, and the locking pin is arranged in the recess.

Furthermore, the rear side of the hook body is provided with a hook handle, the tail end of the hook handle is provided with a handle, the jacking mechanism is arranged on the hook handle and arranged at the upper end of the handle, and an insulating cover is arranged on the outer side of the jacking mechanism.

Furthermore, the front side of the hook body is provided with a mounting hole, a through hole is arranged above the mounting hole, the diameter of the through hole is smaller than that of the mounting hole, the through hole is communicated with the mounting hole, and the limiting mechanism is arranged in the through hole and the mounting hole.

Furthermore, stop gear includes the stopper, the stopper is square, the stopper bottom is the inclined plane, the inclined plane of stopper includes left end portion and right-hand member portion, the left end portion of stopper is highly greater than with ground relatively the right-hand member portion of stopper is highly relative with ground, the left end portion of stopper is close to collude the front side of body, the stopper sets up in the mounting hole, the up end of stopper is provided with the pull rod, the pull rod runs through perforation its upper end sets up collude the outside of body, set up collude the external side the pull rod is provided with the handle, be provided with the spring on the pull rod, the spring setting is in between the stopper upper end portion and the lower terminal surface of mounting hole.

Furthermore, the jacking mechanism comprises a gear transmission assembly and a push rod, and the gear transmission assembly rotates to drive the push rod to rotate.

Further, the gear drive subassembly includes driving gear, transmission gear and driven gear, collude and be provided with the plane on the handle, be provided with the shaft hole on the plane, be provided with the pivot in the shaft hole, the pivot runs through collude the handle, one end is provided with the knob, and the other end sets up the driving gear, the shaft hole upper end is provided with pin A and pin B, set up on the pin A transmission gear, the transmission gear with driving gear engagement, set up on the pin B driven gear, driven gear with transmission gear engagement.

Further, the ejector pin includes ring portion and pole portion, the ring portion cover is established spacing post B is last, the ring portion side with driven gear's side fixed connection, ring portion sets up driven gear's back.

Furthermore, the insulating boot sets up the tight mechanism outside in top, the insulating boot upper end is provided with the windowing, be provided with on the insulating boot with the through-hole that the shaft hole corresponds, the pivot runs through the through-hole, the knob sets up the outside of insulating boot.

Furthermore, control mechanism includes rack and blocks the piece, the insulating boot be provided with the track on the lateral wall of windowing, set up in the track the rack, the tooth of rack with the tooth meshing of driving gear, orbital upper end sets up block the piece.

The invention has the beneficial effects that:

1. the invention can effectively prevent the hand from being damaged by clamping without extending the hand between the adjacent insulators, and the locking pin is hooked by the hook body, so that the locking pin can be quickly pulled out without being limited by the space between the adjacent insulators, and the locking pin is knocked into the locking pin hole by the handle, thereby facilitating the operation and improving the assembly efficiency.

2. The mounting hole and the through hole provide mounting positions for the limiting mechanism, the limiting block has a blocking effect, and the position of the limiting block, which is close to the locking pin, is a plane, so that the locking pin can be prevented from being separated from the hook body.

3. The limiting block stretches in the mounting hole, the pull rod and the limiting block are integrated, the pull rod is pulled to drive the limiting block to move up and down in the mounting hole, the limiting block is completely tensioned in the mounting hole, and the rear ejector rod can be guaranteed to rotate smoothly.

4. The tight mechanism in top is rotatory to be used for controlling stop gear and colludes internal the stretching, colludes the handle and is used for installing tight mechanism in top, and the handle is convenient for the gripping and when assembling, in knocking into the fitting pin hole with the fitting pin, the effect of insulating boot is used for installing control mechanism and plays the effect of protection tight mechanism in top.

5. The gear transmission assembly is matched with a rear control mechanism, a rack in the control mechanism is driven by the rotation of a gear, and the rotating angle of the ejector rod is judged by the rack.

6. The control mechanism controls the rotating angle of the jacking mechanism. The effect of windowing prevents to cause the interference to the rotation of ejector pin, also is for the installation rack, and the knob setting is in the insulating boot outside, the rotatory knob of being convenient for. The rotating position of the ejector rod is judged by the movement of the rack in the control mechanism.

Drawings

FIG. 1 is a schematic view of the structure of one aspect of the present invention.

Fig. 2 is a schematic structural view of another aspect of the present invention.

Fig. 3 is a partially enlarged view of a portion a of fig. 2.

Fig. 4 is a schematic structural view of the hook body.

Fig. 5 is a schematic structural diagram of the ejector rod in the invention.

Fig. 6 is a schematic structural diagram of a control mechanism in the invention.

Wherein the reference numerals are: 1. a hook body; 11. recessing; 12. mounting holes; 13. perforating; 2. a limiting mechanism; 21. a limiting block; 22. a pull rod; 23. a handle; 24. a spring; 3. a jacking mechanism; 31. a gear drive assembly; 311. a driving gear; 312. a transfer gear; 313. a driven gear; 314. a rotating shaft; 315. a knob; 32. a top rod; 321. a ring portion; 322. a rod portion; 4. a control mechanism; 41. a rack; 42. a blocking block; 5. hooking a handle; 6. a handle; 7. an insulating cover; 71. windowing; 711. a track.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

No matter the insulator is installed or disassembled, the distance between two adjacent insulators is limited, and because the size of a wrench, a screwdriver or a pliers is short, a hand of a user needs to extend into the space between the two insulators in the process of disassembling or assembling the insulators, and the hand of the user can be injured or the insulators can be damaged due to carelessness.

Referring to fig. 1 and 4, in order to solve the above problems, the present invention provides an assembling and disassembling device for a porcelain composite insulator of an overhead transmission line, wherein a locking pin generally applied to the porcelain composite insulator is a split pin, and therefore, the present invention includes a hook body 1, specifically, the hook body 1 includes a front side and a rear side, a recess 11 is disposed on an inner side of a bottom of the hook body 1, and the locking pin is disposed in the recess 11. The purpose of the recess 11 is to use the hook 1 to hook the locking pin, in order to prevent the locking pin from separating from the limitation of the recess and separating from the front side of the hook, therefore, the front side of the hook 1 is provided with the limiting mechanism 2, and the limiting mechanism 2 extends and retracts in the hook 1 to control the locking pin to separate from the limitation of the hook.

Referring to fig. 4, specifically, a mounting hole 12 is formed in the front side of the hook body 1, a through hole 13 is formed above the mounting hole 12, the diameter of the through hole 13 is smaller than that of the mounting hole 12, the through hole 13 is communicated with the mounting hole 12, and a limiting mechanism 2 is arranged in the through hole 13 and the mounting hole 12.

Referring to fig. 2 and 3, the mounting hole and the through hole provide a mounting position for the limiting mechanism, specifically, the limiting mechanism 2 includes a limiting block 21, the limiting block has a blocking effect, preferably, the limiting block 21 is square, the bottom of the limiting block 21 is an inclined plane, the inclined plane of the limiting block includes a left end portion and a right end portion, the height of the left end portion of the limiting block relative to the ground is greater than the height of the right end portion of the limiting block relative to the ground, the position of the limiting block close to the locking pin is a plane, which can prevent the locking pin from separating from the hook body, the limiting pin is obliquely arranged from the upper portion of the left end portion to the lower portion of the right end portion, when the hook body needs to hook the locking pin, the locking pin presses the inclined plane of the limiting block to enter the recess, the left end portion of the limiting block is close to the front side of the hook body 1, the limiting block 21 is arranged in the mounting hole 12, the limiting block is telescopic in the mounting hole, the upper end surface of the limiting block 21 is provided with a pull rod 22, the upper end of the pull rod 22 penetrates through the through hole 13 and is arranged on the outer side of the hook body 1, the pull rod and the limiting block are integrated, the limiting block is driven to move up and down in the mounting hole by pulling the pull rod, the pull rod 22 arranged on the outer side of the hook body 1 is provided with the pull handle 23, the pull handle is convenient for upwards pulling the limiting block, the limiting block is completely tensioned in the mounting hole, the rear ejector rod can be guaranteed to rotate smoothly, the pull rod 22 is provided with the spring 24, the spring has the elastic deformation effect, and the spring 24 is arranged between the upper end of the limiting block and the lower end face of the mounting hole 12.

The working principle of the limiting mechanism of the invention is as follows: the handle is upwards moved, the pull rod is driven to ascend in the through hole, because the pull rod and the limiting block are connected into a whole, therefore, the limiting block ascends in the mounting hole, until the limiting block is completely pulled into the mounting hole, the ejector rod is rotated at the moment, the ejector rod is enabled to rotate to the lower part of the front side of the hook body, the handle is loosened at the moment, under the action of the spring, the inclined surface of the limiting pin pops out of the mounting hole, at the moment, the hook body hooks the locking pin, the locking pin presses the inclined surface of the limiting block until entering the groove of the hook body, after the groove is reached, the handle is upwards provided, the limiting block is enabled to be completely pulled into the mounting hole, the ejector rod rotates reversely, the ejector rod returns to the initial position, the handle is sent out, the inclined surface of the limiting block stretches out of the mounting hole, the ejector rod rotates reversely again, until the ejector rod pushes against the side surface of the limiting block, and the limiting block can be effectively prevented from retracting into the mounting hole again.

Referring to fig. 2, collude body 1 rear side and be provided with top tight mechanism 3, top tight mechanism 3 is rotatory to be used for controlling stop gear 2 and colluding body 1 internal flexible, specifically, collude the rear side of body 1 and be provided with and collude handle 5, collude the handle and be used for installing top tight mechanism, collude 5 ends of handle and be provided with handle 6, the handle is convenient for the gripping and when assembling, in knocking into the fitting pin hole with the fitting pin, top tight mechanism 3 sets up on colluding handle 5, and sets up the upper end at handle 6, the top tight mechanism 3 outside is provided with insulating boot 7. The insulating cover is used for installing the control mechanism and plays a role in protecting the jacking mechanism.

Referring to fig. 2, preferably, the tightening mechanism 3 includes a gear assembly 31 and a push rod 32, and the gear assembly 31 rotates to drive the push rod 32 to rotate.

The gear transmission assembly is matched with a rear control mechanism, a rack in the control mechanism is driven by the rotation of a gear, and the rotating angle of the ejector rod is judged by the rack.

Gear drive assembly 31 includes driving gear 311, transfer gear 312 and driven gear 313, be provided with the plane on colluding the handle 5, be provided with the shaft hole on the plane, be provided with pivot 314 in the shaft hole, pivot 314 runs through colluding handle 5, one end is provided with knob 315, the other end sets up driving gear 311, the shaft hole upper end is provided with pin A and pin B, set up transfer gear 312 on the pin A, transfer gear 312 and driving gear 311 meshing, set up driven gear 313 on the pin B, driven gear 313 and transfer gear 312 meshing.

The working principle of the gear transmission assembly is as follows: the knob is rotated, the knob rotates to drive the rotating shaft to rotate, the rotating shaft rotates to drive the driving gear to rotate, the driving gear is meshed with the transmission gear, and therefore the transmission gear rotates, and the transmission gear is meshed with the driven gear, so that the driven gear rotates.

Referring to fig. 5, the top rod 32 includes a ring portion 321 and a rod portion 322, the ring portion 321 is sleeved on the limiting column B, a side surface of the ring portion 321 is fixedly connected with a side surface of the driven gear 313, and the ring portion 321 is disposed at a back portion of the driven gear 313. The ring part is fixedly connected with the side surface of the driven gear, so that the push rod and the driven gear form a whole, and when the driven gear rotates, the push rod also rotates along with the rotation of the driven gear.

Referring to fig. 6, a control mechanism 4 is arranged on one side of the tightening mechanism 3, and the control mechanism 4 controls the rotation angle of the tightening mechanism 3.

Referring to fig. 6, the insulation cover 7 is disposed outside the tightening mechanism 3, a window 71 is disposed at an upper end of the insulation cover 7, the window prevents interference with rotation of the ejector rod, a through hole corresponding to the shaft hole is disposed on the insulation cover 7 for mounting the rack, the rotating shaft 314 penetrates through the through hole, and the knob 315 is disposed outside the insulation cover 7. The knob sets up in the insulating boot outside, is convenient for rotate the knob.

The control mechanism 4 comprises a rack 41 and a stop block 42, a track 711 is arranged on the side wall of the opening 71 of the insulating cover 7, the rack 41 is arranged in the track 711, teeth of the rack 41 are meshed with teeth of the driving gear 311, and the stop block 42 is arranged at the upper end of the track 711.

The working principle of the control mechanism is as follows: the driving gear rotates to drive the rack to move upwards or downwards in the track, when the side face of the rack reaches the position of the blocking block, the ejector rod is indicated to rotate to a reasonable position, and the rotating position of the ejector rod is judged through the movement of the rack in the control mechanism.

The working process of the invention comprises the following steps:

the method comprises the following steps: one hand lifts the handle upwards to drive the pull rod to rise in the through hole, and the limit block rises in the mounting hole until the limit block is completely pulled into the mounting hole because the pull rod and the limit block are connected into a whole;

step two: the knob is rotated by the other hand, when the rack touches the blocking block, the knob is stopped to be rotated, and the handle is loosened;

step three: aligning the front side of the hook body with the locking pin, and continuously moving the hook body, wherein the locking pin presses the inclined plane of the limiting block until the recess of the hook body is aligned with the locking pin, and the locking pin enters the recess of the hook body;

step four: the handle is lifted up and down again to ensure that the limiting block is completely locked in the mounting hole, the knob is rotated reversely, when the other end of the rack touches the side wall of the window, the knob stops rotating, then the handle is loosened, and the limiting block extends out of the mounting hole;

step five: the knob is rotated reversely again to ensure that the ejector rod is forcibly propped against the limiting block;

step six: pulling the handle to detach the locking pin from the steel cap of the porcelain composite insulator to finish the detachment of the insulator;

when insulators in strings of multiple sections are required to be installed together, after the steel feet of the first insulator of the second string are inserted into the steel caps of the last insulator of the first string, the locking pin is inserted, the hook body is held by a hand, and the locking pin is knocked into the locking pin hole by the lower end face of the handle, so that the assembly of the insulators is completed.

The technical features of the present invention which are not described in the above embodiments may be implemented by or using the prior art, and are not described herein again, of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and variations, modifications, additions or substitutions which may be made by those skilled in the art within the spirit and scope of the present invention should also fall within the protection scope of the present invention.

Claims

1. The utility model provides an equipment and dismounting device for overhead transmission line porcelain composite insulator, includes colludes body (1), its characterized in that, collude body (1) including front side and rear side, the front side of colluding body (1) is provided with stop gear (2), stop gear (2) are colluding the restriction that body (1) internal telescope and control the fitting pin break away from the body of colluding, it is provided with tight mechanism (3) in top to collude body (1) rear side, tight mechanism (3) in top is rotatory to be used for control stop gear (2) are in collude body (1) internal flexible, tight mechanism (3) one side in top is provided with control mechanism (4), control mechanism (4) control the angle of tight mechanism (3) rotation in top.

2. The assembling and disassembling device for the porcelain composite insulator for the overhead transmission line according to claim 1, wherein a recess (11) is formed in the inner side of the bottom of the hook body (1), and the locking pin is arranged in the recess (11).

3. The assembling and disassembling device for the porcelain composite insulator of the overhead transmission line according to claim 1, characterized in that a hook handle (5) is arranged at the rear side of the hook body (1), a handle (6) is arranged at the tail end of the hook handle (5), the tightening mechanism (3) is arranged on the hook handle (5) and is arranged at the upper end of the handle (6), and an insulating cover (7) is arranged on the outer side of the tightening mechanism (3).

4. The assembling and disassembling device for the porcelain composite insulator of the overhead transmission line according to claim 1, characterized in that a mounting hole (12) is formed in the front side of the hook body (1), a through hole (13) is formed above the mounting hole (12), the diameter of the through hole (13) is smaller than that of the mounting hole (12), the through hole (13) is communicated with the mounting hole (12), and the limiting mechanism (2) is arranged in the through hole (13) and the mounting hole (12).

5. The assembling and disassembling device for the porcelain composite insulator of the overhead transmission line according to claim 4, wherein the limiting mechanism (2) comprises a limiting block (21), the limiting block (21) is square, the bottom of the limiting block (21) is an inclined plane, the inclined plane of the limiting block comprises a left end part and a right end part, the height of the left end part of the limiting block relative to the ground is greater than the height of the right end part of the limiting block relative to the ground, the left end part of the limiting block is close to the front side of the hook body (1), the limiting block (21) is arranged in the mounting hole (12), a pull rod (22) is arranged on the upper end surface of the limiting block (21), the pull rod (22) penetrates through the through hole (13) and is arranged at the outer side of the hook body (1), a pull handle (23) is arranged on the pull rod (22) arranged at the outer side of the hook body (1), a spring (24) is arranged on the pull rod (22), and the spring (24) is arranged between the upper end part of the limiting block and the lower end face of the mounting hole (12).

6. The assembling and disassembling device for the porcelain composite insulator of the overhead transmission line according to claim 3, wherein the jacking mechanism (3) comprises a gear transmission assembly (31) and an ejector rod (32), and the gear transmission assembly (31) rotates to drive the ejector rod (32) to rotate.

7. The assembling and disassembling device for the porcelain composite insulator of the overhead transmission line according to claim 6, characterized in that the gear transmission assembly (31) comprises a driving gear (311), a transmission gear (312) and a driven gear (313), a plane is arranged on the hook handle (5), a shaft hole is arranged on the plane, a rotating shaft (314) is arranged in the shaft hole, the rotating shaft (314) penetrates through the hook handle (5), one end of the rotating shaft is provided with a knob (315), the other end of the rotating shaft is provided with the driving gear (311), the upper end of the shaft hole is provided with a pin A and a pin B, the pin A is provided with the transmission gear (312), the transmission gear (312) is meshed with the driving gear (311), the pin B is provided with the driven gear (313), and the driven gear (313) is meshed with the transmission gear (312).

8. The assembling and disassembling device for the porcelain composite insulator of the overhead transmission line according to claim 7, wherein the ejector rod (32) comprises a ring portion (321) and a rod portion (322), the ring portion (321) is sleeved on the limiting column B, the side surface of the ring portion (321) is fixedly connected with the side surface of the driven gear (313), and the ring portion (321) is arranged at the back of the driven gear (313).

9. The assembling and disassembling device for the porcelain composite insulator of the overhead transmission line according to claim 7, wherein the insulating cover (7) is arranged on the outer side of the jacking mechanism (3), a window (71) is arranged at the upper end of the insulating cover (7), a through hole corresponding to the shaft hole is formed in the insulating cover (7), the rotating shaft (314) penetrates through the through hole, and the knob (315) is arranged on the outer side of the insulating cover (7).

10. The assembling and disassembling device for the porcelain composite insulator for the overhead transmission line according to claim 9, wherein the control mechanism (4) comprises a rack (41) and a blocking block (42), a track (711) is arranged on a side wall of the open window (71) of the insulation cover (7), the rack (41) is arranged in the track (711), teeth of the rack (41) are meshed with teeth of the driving gear (311), and the blocking block (42) is arranged at the upper end of the track (711).