Suspender device for replacing insulator chain of power transmission line

Abstract

The invention discloses a suspender device for replacing an insulator string of a power transmission line. The suspender device comprises a suspension rod; the gear lead screw assembly is used for adjusting the length of the suspender device when the suspender device bears a load, the gear lead screw assembly is arranged at one end of the suspension rod, and the gear lead screw assembly at least comprises a gear lead screw box and a lead screw arranged on the gear lead screw box; the tension sensing assembly is used for measuring the stress state of the suspender device and is connected to one end of the gear screw rod assembly; the telescopic rod assembly is used for adjusting the length of the suspender device when the suspender device does not bear the load, and the telescopic rod assembly is connected to one end of the tension sensing assembly; and the insulator chain hook is used for hooking an insulator chain of the power transmission line, and the insulator chain hook is connected to one end of the telescopic rod assembly. According to the suspender device for replacing the insulator chain of the power transmission line, treading of an insulator can be avoided, replacement of the insulator chain is efficiently completed, and the working efficiency is improved; the structure is reasonable, and adaptability and reliability are high.

Description

Technical Field

[0001] The invention relates to the technical field of power transmission line maintenance, and in particular to a suspension rod device for replacing an insulator string of a power transmission line. Background Art

[0002] With the long-term operation of the power grid, some straight tower composite insulator strings are affected by the combined electromechanical effects and environmental factors, and their electrical and mechanical properties are reduced and cannot meet the operating requirements. Composite insulators are also prone to damage, all of which pose a serious threat to the safe operation of the line.

[0003] However, the working environment of replacing insulator strings is poor, the tools are old, the workers have high workload, and the safety factor is low. Some jobs even lack suitable tools. The existing tools for replacing composite insulators of lines cannot meet the requirements of replacement operations, so there is an urgent need to improve them. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a suspension rod device for replacing insulator strings of transmission lines, which can efficiently complete the replacement of insulator strings without stepping on insulators, thereby improving work efficiency; the device has a reasonable structure and high adaptability and reliability.

[0005] In order to solve the above technical problems, the present invention provides a suspension rod device for replacing an insulator string of a power transmission line, comprising: a suspension rod; a gear screw assembly for adjusting the length of the suspension rod device when the suspension rod device is under load, the gear screw assembly being installed at one end of the suspension rod, the gear screw assembly at least comprising: a gear screw box and a screw installed on the gear screw box; a tension sensor assembly for measuring the stress state of the suspension rod device, the tension sensor assembly being connected to one end of the gear screw assembly; and the length of the suspension rod device when the suspension rod device is not under load. A telescopic rod assembly is connected to one end of the tension sensor assembly; and an insulator string hook is used to hook the insulator string of the transmission line, and the insulator string hook is connected to one end of the telescopic rod assembly, wherein: the suspension rod device is connected to the insulator string fixing seat through a hanging rod, the screw rod of the gear screw rod assembly is fully extended, and the insulator string hook is hooked to the insulator string of the transmission line by adjusting the telescopic rod assembly; the length of the suspension rod device is adjusted by the gear screw rod box linkage screw rod, and the position of the insulator string of the transmission line on the insulator string hook is lifted and replaced.

[0006] Among them, a power input connection port is provided on the side of the gear screw box, and a gear group and a ball slider are provided in the gear screw box, and the screw is provided with two sections, upper and lower; the power input connection port is connected to the gear group, and the gear group, the ball slider and the upper and lower sections of the screw are connected in a one-to-one corresponding linkage, wherein: the gear group links the ball slider to make the upper and lower sections of the screw move up and down.

[0007] The utility model also includes: a manual wrench or an electric wrench adapted to the power input connection port.

[0008] The tension sensor assembly includes: a first mounting buckle, a tension sensor body and a second mounting buckle, and the first mounting buckle, the tension sensor body and the second mounting buckle are connected in sequence.

[0009] Wherein, the gear screw assembly also includes: a screw connecting piece connected to the screw, and the first mounting buckle is connected to the screw connecting piece.

[0010] The telescopic rod assembly comprises an outer rod, an inner telescopic rod telescopically sleeved in the outer rod, and an outer rod connector connected to one end of the outer rod, wherein the outer rod connector is connected to the second mounting buckle.

[0011] One end of the inner telescopic rod is connected to the insulator string hook.

[0012] Among them, through holes are arranged at multiple locations on the outer rod and the inner telescopic rod, and the climbing footrest passes through the through holes at different positions on the outer rod and the inner telescopic rod in sequence to adjust the length of the telescopic rod assembly.

[0013] Among them, a detachable spare pedal rod is provided on the gear screw box.

[0014] The implementation of the present invention for replacing the insulator string of a transmission line has the following beneficial effects: the suspension rod device for replacing the insulator string of a transmission line comprises: a suspension rod; a gear screw assembly for adjusting the length of the suspension rod device when the suspension rod device is under load, the gear screw assembly being mounted on one end of the suspension rod, the gear screw assembly comprising at least: a gear screw box and a screw mounted on the gear screw box; a tension sensor assembly for measuring the stress state of the suspension rod device, the tension sensor assembly being connected to one end of the gear screw assembly; a telescopic rod assembly for adjusting the length of the suspension rod device when the suspension rod device is not under load, the telescopic rod assembly being connected to the The utility model relates to a device for making an insulator string of a transmission line connected to one end of the tension sensor component; and an insulator string hook for hooking the insulator string of the transmission line, wherein the insulator string hook is connected to one end of the telescopic rod component, wherein: the suspension rod device is connected to the insulator string fixing seat through the hanging rod, the screw rod of the gear screw rod component is fully extended, and the insulator string hook is hooked on the insulator string of the transmission line by adjusting the telescopic rod component; the length of the suspension rod device is adjusted by the gear screw rod box linkage screw rod, the position of the insulator string of the transmission line is lifted and replaced, and the insulator string can be replaced efficiently without stepping on the insulator, thereby improving the work efficiency; the structure is reasonable, and the adaptability and reliability are high. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 The present invention is a schematic structural diagram of a suspension rod device for replacing an insulator string of a power transmission line according to an embodiment of the present invention. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] like Figure 1 As shown, embodiment 1 of the suspension rod device for replacing an insulator string of a power transmission line according to the present invention is shown.

[0019] The suspension rod device for replacing an insulator string of a power transmission line in the present embodiment comprises: a suspension rod 1; a gear screw assembly 2 for adjusting the length of the suspension rod device when the suspension rod device is under load, the gear screw assembly 2 being mounted at one end of the suspension rod 1, the gear screw assembly 2 comprising at least: a gear screw box 21 and a screw 22 mounted on the gear screw box 21; a tension sensor assembly 3 for measuring the stress state of the suspension rod device, the tension sensor assembly 3 being connected to one end of the gear screw assembly 2; a telescopic rod assembly 4 for adjusting the length of the suspension rod device when the suspension rod device is not under load, the telescopic rod assembly 4 being connected to one end of the tension sensor assembly 3; and an insulator string hook 5 for hooking the insulator string of the power transmission line, the insulator string hook 5 being connected to one end of the telescopic rod assembly 4.

[0020] Wherein: the suspension rod device is connected to the insulator string fixing seat through the suspension rod 1, the screw rod 22 of the gear screw assembly 2 is fully extended, and the insulator string hook 5 is hooked on the insulator string of the transmission line by adjusting the telescopic rod assembly 4; the length of the suspension rod device is adjusted by the gear screw box 2 linking the screw rod 22, and the position of the insulator string of the transmission line on the insulator string hook 5 is lifted and replaced.

[0021] In specific implementation, the suspension rod device for replacing the insulator string of the transmission line in this embodiment can solve the traditional solution of replacing the insulator string by climbing a ladder. The suspension rod device for replacing the insulator string of the transmission line can be conveniently installed on the insulator string fixing seat, and can lift the horizontally or vertically arranged composite insulator string with relatively little effort; the lifting power can use a manual wrench or an electric wrench as the lifting power.

[0022] The hanging rod 1 is in the shape of a rod, and its function is to be adapted and clamped on the insulator string fixing seat. The insulator string fixing seat is usually provided with hanging holes, and the hanging rod can be fastened to the hanging holes, or hanging can be achieved by using a wire rope sleeve.

[0023] Furthermore, the gear screw assembly 2 is installed at one end of the suspension rod 1, and includes: a gear screw box 21, a screw 22 installed on the gear screw box 21, a power input connection port 211 is provided on the side of the gear screw box 21, a gear group and a ball slider are provided in the gear screw box 21, and the screw 22 is provided in two sections (located at the opposite ends of the gear screw box 21 respectively); the power input connection port 211 is connected to the gear group, and the gear group, the ball slider and the upper and lower sections of the screw are connected in a one-to-one corresponding manner, wherein: the gear group links the ball slider to make the upper and lower sections of the screw 22 move up and down.

[0024] During implementation, the gear set can be set as a pair of bevel gears, which are connected to the power input connection port 211, and the power input connection port 211 is connected to the upper and lower screw rods 22 in a one-to-one correspondence through the upper and lower ball sliders.

[0025] Furthermore, a manual wrench or an electric wrench compatible with the power input connection port 211 can be used to drive the gear screw box 21, and the movement of the upper and lower screw rods 22 can be linked by the gear set and ball slider structure inside the gear screw box 21.

[0026] When using a manual wrench, the movement plane of the manual wrench needs to be parallel to the lifting direction of the insulator string. The lifting device can adjust the length to meet the replacement requirements of 110kVˉ220kV voltage level insulator strings.

[0027] Preferably, the gear screw box 21 is provided with a detachable spare pedal rod 6. The function of the spare pedal rod 6 is: after the device is fixed, the spare pedal rod 6 is assembled in the appropriate position of the adjustment telescopic rod assembly 4 for personnel to climb.

[0028] Furthermore, the tension sensor assembly 3 is connected to one end of the gear screw assembly 2. The function of the tension sensor assembly 3 is to visually check the stress state of the tension sensor assembly 3 and to promptly remind the operator to prohibit the upper and lower devices when the stress of the boom device is close to the design limit.

[0029] During implementation, the tension sensor assembly 3 includes: a first mounting buckle 31, a tension sensor body 32 and a second mounting buckle 33, and the first mounting buckle 31, the tension sensor body 32 and the second mounting buckle 33 are connected in sequence.

[0030] Preferably, the gear screw assembly 2 further includes: a screw connector 23 connected to the screw, and the first mounting buckle 31 is connected to the screw connector 23 .

[0031] Furthermore, the telescopic rod assembly 4 is used to adjust the length of the suspension rod device when the suspension rod device of the insulator string is not connected to a load. It includes an outer rod 41, an inner telescopic rod 42 telescopically sleeved in the outer rod 41, and an outer rod connector 43 connected to one end of the outer rod 41, wherein the outer rod connector 43 is connected to the second mounting buckle 33, and one end of the inner telescopic rod 42 is connected to the insulator string hook 5.

[0032] During implementation, multiple through holes are provided on the outer rod 41 and the inner telescopic rod 42 , and the climbing footrest 7 passes through the through holes at different positions on the outer rod 41 and the inner telescopic rod 42 in sequence to adjust the length of the telescopic rod assembly 4 .

[0033] In the specific implementation of the suspension rod device for replacing the insulator string of the power transmission line in this embodiment, the screw rod 22 of the gear screw assembly 2 is fully extended. The length of the inner telescopic rod 42 of the telescopic rod assembly 4 is adjusted according to the operation requirements, and it is fixed after being adjusted to a suitable position. At the same time, a climbing footrest 7 is inserted between the outer rod 4 and the inner telescopic rod 42 to realize the climbing function, and the suspension rod device is connected to the insulator string fixing seat through the hanging rod 1, and the insulator string hook 5 hooks the insulator string of the power transmission line.

[0034] Next, use a manual wrench or electric wrench compatible with the power input connection port 211 to drive the gear screw box 21, and the upper and lower sections of the screw rod 22 are retracted through the gear set and the ball slider structure inside the gear screw box 21, and the length of the suspension device is adjusted through the gear screw box 2 linkage screw rod 22. At the same time, the insulator string hook 5 hooks the insulator string of the transmission line, so that the insulator string and the buckle are loosened, so that the insulator string can be replaced. After the replacement is completed, the power is input in the reverse direction through the power input connection port 211, and the two sections of the screw rod 22 are extended from the gear screw box 21, so that the insulator string slowly falls back into its buckle, and the replacement of the insulator string is completed.

[0035] The implementation of the present invention is a kind of suspension rod device for replacing the insulator string of the transmission line, which has the following beneficial effects: the suspension rod device for replacing the insulator string of the transmission line comprises: a suspension rod; a gear screw assembly for adjusting the length of the suspension rod device when the suspension rod device is under load, the gear screw assembly is installed at one end of the suspension rod, and the gear screw assembly at least comprises: a gear screw box and a screw installed on the gear screw box; a tension sensor assembly for measuring the stress state of the suspension rod device, the tension sensor assembly is connected to one end of the gear screw assembly; a telescopic rod assembly for adjusting the length of the suspension rod device when the suspension rod device is not under load, and the telescopic rod assembly The utility model relates to an insulator string hook connected to one end of the tension sensor component; and an insulator string hook for hooking the insulator string of the transmission line, wherein the insulator string hook is connected to one end of the telescopic rod component, wherein: the suspension rod device is connected to the insulator string fixing seat through the hanging rod, the screw rod of the gear screw rod component is fully extended, and the insulator string hook is hooked on the insulator string of the transmission line by adjusting the telescopic rod component; the length of the suspension rod device is adjusted by the gear screw rod box linkage screw rod, the position of the insulator string of the transmission line is lifted and replaced, and the insulator string can be replaced efficiently without stepping on the insulator, thereby improving the work efficiency; the structure is reasonable, and the adaptability and reliability are high.

Claims

1. A suspension rod device for replacing an insulator string of a transmission line, characterized in that: include: Suspension rod; A gear screw assembly for adjusting the length of the suspension rod device when the suspension rod device bears a load, wherein the gear screw assembly is installed at one end of the suspension rod, and the gear screw assembly at least comprises: a gear screw box and a screw installed on the gear screw box; A tension sensor assembly for measuring the stress state of the suspension rod device, wherein the tension sensor assembly is connected to one end of the gear screw assembly; A telescopic rod assembly for adjusting the length of the suspension rod device when the suspension rod device is not under load, wherein the telescopic rod assembly is connected to one end of the tension sensor assembly; and An insulator string hook for hooking an insulator string of a power transmission line, wherein the insulator string hook is connected to one end of the telescopic rod assembly, wherein: Connect the suspension rod device to the insulator string fixing seat through the suspension rod, fully extend the screw rod of the gear screw rod assembly, and make the insulator string hook hook the insulator string of the transmission line by adjusting the telescopic rod assembly; The gear screw box is linked to the screw rod to adjust the length of the suspension rod device, so as to lift the position of the insulator string of the transmission line on the insulator string hook and replace it.

2. The suspension rod device for replacing an insulator string of a power transmission line according to claim 1, characterized in that: A power input connection port is provided on the side of the gear screw box, a gear set and a ball slider are provided in the gear screw box, and the screw is provided in two sections, an upper section and an lower section; The power input connection port is connected to the gear set, and the gear set, the ball slider and the upper and lower screw rods are linked and connected in a one-to-one correspondence, wherein: the gear set links the ball slider to make the upper and lower screw rods move up and down.

3. The suspension rod device for replacing an insulator string of a power transmission line according to claim 2, characterized in that: Also includes: A manual wrench or electric wrench adapted to the power input connection port.

4. The suspension rod device for replacing an insulator string of a power transmission line according to claim 1, characterized in that: The tension sensor assembly includes: a first mounting buckle, a tension sensor body and a second mounting buckle, and the first mounting buckle, the tension sensor body and the second mounting buckle are connected in sequence.

5. The suspension rod device for replacing an insulator string of a power transmission line according to claim 4, characterized in that: The gear screw assembly also includes: a screw connector connected to the screw, and the first mounting buckle is connected to the screw connector.

6. The suspension rod device for replacing an insulator string of a power transmission line according to claim 4, characterized in that: The telescopic rod assembly comprises an outer rod, an inner telescopic rod telescopically sleeved in the outer rod, and an outer rod connector connected to one end of the outer rod, wherein the outer rod connector is connected to the second mounting buckle.

7. The suspension rod device for replacing an insulator string of a power transmission line according to claim 6, characterized in that: One end of the inner telescopic rod is connected to the insulator string hook.

8. The suspension rod device for replacing an insulator string of a power transmission line according to claim 6, characterized in that: The outer rod and the inner telescopic rod are provided with through holes at multiple locations, and the climbing footrest passes through the through holes at different locations on the outer rod and the inner telescopic rod in sequence to adjust the length of the telescopic rod assembly.

9. The suspension rod device for replacing an insulator string of a power transmission line according to claim 1, characterized in that: The gear screw box is provided with a detachable spare pedal rod.

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