CN212726262U

CN212726262U - Adjustable monitoring type replacing device for light large-tonnage porcelain insulator

Info

Publication number: CN212726262U
Application number: CN202020426322.3U
Authority: CN
Inventors: 高嵩; 刘洋; 陶风波; 张量; 陈久林; 王永强; 高超; 陈杰; 张迺龙; 黄耀阳
Original assignee: State Grid Corp of China SGCC; State Grid Jiangsu Electric Power Co Ltd; Electric Power Research Institute of State Grid Jiangsu Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; State Grid Jiangsu Electric Power Co Ltd; Electric Power Research Institute of State Grid Jiangsu Electric Power Co Ltd
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2021-03-16
Anticipated expiration: 2030-03-30

Abstract

The utility model discloses an adjustable monitoring type replacing device for light large-tonnage porcelain insulators, which comprises a fixture, a hydraulic screw rod and a pressure sensing device, wherein the fixture comprises a front clamping plate and a rear clamping plate, and the front clamping plate and the rear clamping plate are connected and then enclosed into a circular cavity for fixing an insulator end cap; the hydraulic screw rod comprises a tightening screw rod and a tension screw rod, a gearbox is arranged at the joint of the tightening screw rod and the tension screw rod, a gear transmission assembly is arranged in the gearbox, the tightening screw rod is arranged on the gear transmission assembly, a rotating handle is arranged on a rotating shaft of the gear transmission assembly, and the rotating handle drives the tightening screw rod to rotate through the rotation of the gear transmission assembly so as to adjust the length of the hydraulic screw rod; the pressure sensing device monitors and displays a pressure value and transmits the pressure value to the ground end; the upper and lower clamps, the left and right hydraulic screws enclose a rectangular space for accommodating the insulator to be replaced. The utility model discloses can the remote monitoring pressure value, avoid appearing pulling the problem, and the quality is lighter, the multiplexer utensil load of operation personnel operation when having solved high altitude construction is to the weight restriction of changing the device.

Description

Adjustable monitoring type replacing device for light large-tonnage porcelain insulator

Technical Field

The utility model relates to a transmission line electric power facility overhauls technique, concretely relates to device is changed to adjustable control formula of light-duty large-tonnage porcelain insulator.

Background

The transmission line insulator has the functions of insulating and suspending a wire. The insulator is exposed to the natural environment for a long time, performance is reduced under the influence of various external forces and severe environments, flashover accidents can happen even under normal operating voltage, the service life of the whole power transmission line is influenced, the safe and stable operation of a power system is seriously threatened, and therefore the line insulator needs to be replaced regularly.

With the high-speed development of electric power industry in China, alternating-current voltage is developed from extra-high voltage 500kV to extra-high voltage 1000kV, and direct-current voltage is developed from +/-500 kV to +/-1100 kV. As the voltage increases, the transfer capacity increases, and the load on the suspension insulator string and the strain insulator string increases. The ultra-high voltage transmission line has the characteristics of long insulator string, large tonnage and the like, has high requirements on electrical and mechanical properties of an ultra-high voltage large-tonnage porcelain or glass insulator for replacing a fixture, has limitation on the weight of the device due to the load of an operable tool of an operator during overhead operation, and is easy to over-pull when the fixture is used for force transfer operation in the process of replacing the insulator.

SUMMERY OF THE UTILITY MODEL

The purpose of the invention is as follows: an object of the utility model is to provide a can avoid pulling problem, real time monitoring pressure value, and the adjustable control formula of light-duty large-tonnage porcelain insulator of laborsaving operation change device.

The technical scheme is as follows: the utility model discloses a fixture and hydraulic pressure lead screw, the fixture includes front cardboard and back cardboard, and two sides that front cardboard, back cardboard are opposite to each other all are equipped with the arc terminal surface, and front cardboard one end articulates in the one end of back cardboard arc terminal surface, and the front cardboard other end is connected with the other end of back cardboard arc terminal surface through the mounting, and two arc terminal surfaces enclose the circular cavity that becomes fixed insulator end cap after front cardboard and back cardboard are connected; the hydraulic screw rod comprises a tightening screw rod and a tension screw rod, the tightening screw rod is coaxially connected with the tension screw rod, a gearbox is arranged at the joint of the tightening screw rod and the tension screw rod, a gear transmission assembly is arranged in the gearbox, the tightening screw rod is installed on the gear transmission assembly, a rotating shaft of the gear transmission assembly extends out of the gearbox, a rotating handle is installed on the rotating shaft outside the gearbox, and when the rotating handle rotates, the tightening screw rod is driven to rotate through the rotation of the gear transmission assembly, so that the length of the hydraulic screw rod is adjusted; the end part of the tension screw rod is provided with a pressure sensing device, and the pressure sensing device monitors and displays a pressure value and transmits the monitored pressure value to the ground end; the fixture comprises an upper fixture and a lower fixture, the hydraulic screw rod comprises a left hydraulic screw rod and a right hydraulic screw rod, and the upper fixture, the lower fixture, the left hydraulic screw rod and the right hydraulic screw rod enclose a rectangular space for accommodating the insulator to be replaced.

The gear transmission assembly comprises a nut transmission gear, a gear pair gear matching wheel, a quick pinion and nut transmission gear pair teeth, the nut transmission gear is meshed with the gear pair gear matching wheel, the nut transmission gear is nested at the end part of the tightening screw rod, and the nut transmission gear rotates to drive the tightening screw rod to rotate; the gear auxiliary gear is coaxially connected with the nut transmission gear auxiliary gear, the diameter of the gear auxiliary gear is smaller than that of the nut transmission gear auxiliary gear, the nut transmission gear auxiliary gear is meshed with the quick pinion, and the rotating handle is arranged on a rotating shaft of the quick pinion; the tightening screw rod is driven to rotate through the gear transmission assembly, so that time and labor are saved.

The pressure sensing device comprises a pressure sensor, a display screen and a user handheld terminal, wherein the pressure sensor monitors a pressure value during force transfer operation and displays the pressure value on the display screen, and the user handheld terminal transmits the monitored pressure value to the ground end in a wireless transmission mode; a charging jack is arranged on the side surface of the pressure sensing device; realize remote monitoring pressure value, avoid appearing the traction problem.

Preceding cardboard one end is passed through the pintle and is connected with the back cardboard is articulated, and the preceding cardboard other end closely fixes with the back cardboard through pintle and nut, only needs the mounting of cardboard one end before the dismouting during the change insulator, can firmly fix the insulator end cap in the cylindrical cavity of fixture, can also effectively avoid part to lose in the operation process, has also improved work efficiency simultaneously.

An aluminum chuck connecting sleeve is arranged at the joint of the gearbox and the tension screw rod, and one end of the aluminum chuck connecting sleeve is connected with the tension screw rod through a jackscrew; the other end of the aluminum chuck connecting sleeve is connected with a tightening screw rod through a tightening screw rod nut.

The gearbox is connected with the tension screw rod through a countersunk screw, and a gasket is arranged between the tension screw rod and the tightening screw nut, so that the tension screw rod is more matched with the tightening screw nut.

The two ends of the hydraulic screw rod are respectively provided with a U-shaped clamping head, the two tail ends of each U-shaped clamping head are respectively provided with a threaded hole, a bolt penetrates through the threaded holes, and the tail end of the bolt is sleeved with a hexagon nut; through holes are formed in the two ends of the rear clamping plate, the clamping device is sleeved on the bolt on the inner side of the U-shaped clamping head through the through holes, the upper clamping device and the lower clamping device are movably connected with the left hydraulic screw rod and the right hydraulic screw rod through the bolts, and position adjustment is conveniently carried out when the insulator is replaced.

A gearbox shell is arranged on the side face, close to the tightening screw rod, of the gearbox and is fixedly connected with the gearbox through screws; the handle sleeve is sleeved at the joint of the tightening screw rod and the gearbox, the gearbox shell plays a role in protecting the gearbox, and the handle sleeve is sleeved on the gearbox shell to facilitate holding.

A push ball bearing is sleeved on a rotating shaft of the nut transmission gear, and when the nut transmission gear rotates, the push ball bearing drives the tightening screw rod to rotate; ball bearing is established to the cover in the pivot of pinion, drives nut drive gear pinion through ball bearing and rotates when pinion rotates, and then drives nut drive gear through gear pinion gear and rotates, has reduced gear revolve's resistance, realizes nimble rotation.

The front clamping plate and the rear clamping plate are made of titanium alloy materials, so that the weight of the device is reduced.

Has the advantages that: compared with the prior art, the utility model, its beneficial effect lies in: (1) the pressure value can be remotely monitored, and the over-traction problem during the force transfer operation by using the clamp is avoided; (2) the titanium alloy (TC4) material is adopted, so that the weight of the device is reduced, the problem of limitation of the load of the operable tools and tools of the operating personnel on the weight of the device during overhead operation is solved, the labor is saved, and the working efficiency is improved; (3) an operator rotates a gear in the gearbox by rotating the handle, so that the tightening screw rod nut is driven to rotate, the hydraulic screw rod is extended and shortened, and manpower is saved; (4) the pressure value can be observed in real time through the display screen to operating personnel.

Drawings

Fig. 1 is a schematic three-dimensional structure of the present invention;

fig. 2 is a schematic structural diagram of the present invention;

FIG. 3 is a schematic structural view of the middle clamp of the present invention;

fig. 4 is a schematic structural view of a hydraulic screw rod of the present invention;

fig. 5 is a cross-sectional view of the hydraulic screw rod of the present invention;

fig. 6 is a sectional view of the transmission case of the present invention;

fig. 7 is a schematic structural diagram of the middle pressure sensor of the present invention.

Detailed Description

The invention is described in further detail below with reference to specific embodiments and the accompanying drawings.

As shown in fig. 1 to 3, the utility model discloses a fixture 1 and hydraulic screw 2, fixture 1 includes fixture 11 and lower fixture 12, and hydraulic screw 2 includes left hydraulic screw and right hydraulic screw, goes up fixture 11, lower fixture 12, left hydraulic screw, pass through bolted connection between the right hydraulic screw, and enclose after connecting and enclose into the rectangle space that can hold and treat the change insulator, wherein, the installation opposite direction of left hydraulic screw and right hydraulic screw, goes up fixture 11, the installation same of lower fixture 12. The upper fixture 11 and the lower fixture 1 have the same structure and respectively comprise a front clamping plate 13 and a rear clamping plate 14, two opposite side surfaces of the front clamping plate 13 and the rear clamping plate 14 are respectively provided with an arc-shaped end surface, one end of the front clamping plate 13 is hinged to one end of the arc-shaped end surface of the rear clamping plate 14 through a bolt 16, the other end of the front clamping plate 13 is connected with the other end of the arc-shaped end surface of the rear clamping plate 14 through the bolt 16 and a nut 17, and the two arc-shaped end surfaces after the front clamping plate 13 is connected with the rear clamping plate 14 enclose a circular; the latch is spacing preceding cardboard 13, back cardboard 14, and preceding cardboard 13 and back cardboard 14 openly are equipped with corresponding screw, and the nut inserts closely fixed preceding cardboard 13, back cardboard 14 in the screw. In this embodiment, the front clamping plate 13 and the rear clamping plate 14 are made of titanium alloy TC4, so that the weight is reduced, the problem of limitation of the load of the tool and the instrument, which is operated by an operator during high-altitude operation, on the weight of the device is solved, the labor is saved, and the working efficiency is improved.

As shown in fig. 4 and 5, the hydraulic screw 2 includes a tightening screw 21 and a tension screw 22, the tightening screw 21 is coaxially connected with the tension screw 22, a gearbox 3 is arranged at a joint of the tightening screw 21 and the tension screw 22, a gear transmission assembly 31 is arranged in the gearbox 3, the tightening screw 21 is mounted on the gear transmission assembly 31, a rotating shaft of the gear transmission assembly 31 extends out of the gearbox 3, a rotating handle 32 is mounted on the rotating shaft outside the gearbox 3, and when the rotating handle 32 rotates, the gear transmission assembly 31 rotates to drive the tightening screw 21 to rotate, so as to adjust the length of the hydraulic screw 2; a gearbox shell is arranged on the side surface of the gearbox 3 close to the tightening screw rod 21 and is fixedly connected with the gearbox 3 through a screw; a handle sleeve 26 is sleeved at the joint of the tightening screw rod 21 and the gear box 3. An aluminum chuck connecting sleeve 23 is arranged at the joint of the gearbox 3 and the tension screw rod 22, and one end of the aluminum chuck connecting sleeve 23 is connected with the tension screw rod 22 through a jackscrew 24; the other end of the aluminum chuck connecting sleeve 23 is connected with a tightening screw rod 21 through a tightening screw rod nut 25, wherein the tightening screw rod 21 is in threaded connection with the tightening screw rod nut 25. The gearbox 3 is connected with the tension screw rod 22 through a countersunk screw 33, and a gasket 34 is arranged between the tension screw rod 22 and the tightening screw nut 25 to play a role in buffering, so that the connection is more laminated.

As shown in fig. 2 to 4, the two ends of the hydraulic screw rod 2 are both provided with a U-shaped chuck 27, the two ends of the U-shaped chuck 27 are both provided with threaded holes, a bolt 28 passes through the threaded holes, and the end of the bolt 28 is sleeved with a hexagon nut 29 to prevent the bolt from falling off from the threaded hole 28; through holes are formed in two ends of the rear clamping plate 14, the clamping device 1 is sleeved on a bolt on the inner side of the U-shaped clamping head 27 through the through holes, the clamping device 1 is movably connected with the hydraulic screw rod 2, and the position of the clamping device is convenient to adjust in the process of replacing the insulator.

As shown in fig. 4 to 6, the gear transmission assembly 31 includes a nut transmission gear 311, a gear pair gear wheel 312, a fast pinion 313 and a nut transmission gear pair gear 314, the nut transmission gear 311 is engaged with the gear pair gear wheel 312, the nut transmission gear 311 is nested at the end of the tightening screw 21, the tightening screw nut 25 is installed on the nut transmission gear 311, and the nut transmission gear 311 rotates to drive the tightening screw 21 to rotate; the gear pair gear wheel 312 is coaxially connected with the nut transmission gear pair tooth 314, the diameter of the gear pair gear wheel 312 is smaller than that of the nut transmission gear pair tooth 314, the nut transmission gear pair tooth 314 is meshed with the quick pinion 313, and the rotating handle 32 is installed on the rotating shaft of the quick pinion 313. The ball bearing 316 is sleeved on the rotating shaft of the pinion gear 313, when the pinion gear 313 rotates, the nut transmission gear pinion 314 is driven to rotate through the ball bearing 316, and then the nut transmission gear 311 is driven to rotate through the gear pinion gear 312. The push ball bearing 315 is sleeved on the rotating shaft of the nut driving gear 311, and when the nut driving gear 311 rotates, the push ball bearing 315 drives the tightening screw 21 to rotate. An operator rotates the rotating handle 32 to rotate the gear in the gearbox 3, so as to drive the tightening screw rod nut 25 to rotate, thereby realizing the extension and the shortening of the hydraulic screw rod 2 and saving manpower.

As shown in fig. 4 and 7, a pressure sensing device 4 is arranged at an end of the tension screw rod 22, the tension screw rod 22 is in threaded connection with the pressure sensing device 4, the pressure sensing device 4 comprises a pressure sensor 41, a display screen 42, a user handheld terminal 43 and a charging jack 44, the output end of the pressure sensor 41 is connected with the display screen 42, the pressure sensor 41 monitors a pressure value during force transfer operation and displays the pressure value on the display screen 42, the user handheld terminal 43 and the charging jack 44 are arranged on a side surface of the pressure sensing device 4, the user handheld terminal 43 is arranged to transmit the monitored pressure value to the ground end in a wireless transmission mode, remote monitoring of the pressure value is achieved, and the over-traction problem is avoided.

The utility model discloses a go up fixture 11, lower fixture 12, left hydraulic pressure lead screw, right hydraulic pressure lead screw and fix and treat the change insulator, change 32 gear revolve in making gearbox 3 through rotating, realize hydraulic pressure lead screw 2's extension and shorten to the effectual change that has realized the insulator.

As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.

The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents of the embodiments of the invention may be made without departing from the spirit and scope of the invention, which should be construed as falling within the scope of the claims of the invention.

Claims

1. The utility model provides a device is changed to adjustable control formula of light-duty large-tonnage porcelain insulator which characterized in that: the insulator end cap fixing device comprises a fixture (1) and a hydraulic lead screw (2), wherein the fixture (1) comprises a front clamping plate (13) and a rear clamping plate (14), two opposite side surfaces of the front clamping plate (13) and the rear clamping plate (14) are respectively provided with an arc-shaped end surface, one end of the front clamping plate (13) is hinged to one end of the arc-shaped end surface of the rear clamping plate (14), the other end of the front clamping plate (13) is connected with the other end of the arc-shaped end surface of the rear clamping plate (14) through a fixing part, and after the front clamping plate (13) is connected with the rear clamping plate (14), the; the hydraulic screw rod (2) comprises a tightening screw rod (21) and a tension screw rod (22), the tightening screw rod (21) is coaxially connected with the tension screw rod (22), a gearbox (3) is arranged at the joint of the tightening screw rod (21) and the tension screw rod (22), a gear transmission assembly (31) is arranged in the gearbox (3), the tightening screw rod (21) is installed on the gear transmission assembly (31), a rotating shaft of the gear transmission assembly (31) extends out of the gearbox (3), a rotating handle (32) is installed on the rotating shaft outside the gearbox (3), and when the rotating handle (32) rotates, the gear transmission assembly (31) rotates to drive the tightening screw rod (21) to rotate, so that the length of the hydraulic screw rod (2) is adjusted; the end part of the tension screw rod (22) is provided with a pressure sensing device (4), and the pressure sensing device (4) monitors and displays a pressure value and transmits the monitored pressure value to the ground end; the fixture (1) comprises an upper fixture (11) and a lower fixture (12), the hydraulic screw rod (2) comprises a left hydraulic screw rod and a right hydraulic screw rod, and a rectangular space for accommodating the insulator to be replaced is defined by the upper fixture (11), the lower fixture (12), the left hydraulic screw rod and the right hydraulic screw rod.

2. The adjustable monitoring type replacing device for the light large-tonnage porcelain insulator, according to claim 1, is characterized in that: the gear transmission assembly (31) comprises a nut transmission gear (311), a gear pair gear (312), a quick pinion (313) and nut transmission gear pair teeth (314), the nut transmission gear (311) is meshed with the gear pair gear (312), the nut transmission gear (311) is nested at the end part of the tightening screw rod (21), and the nut transmission gear (311) rotates to drive the tightening screw rod (21) to rotate; the gear pair gear (312) is coaxially connected with the nut transmission gear pair tooth (314), the diameter of the gear pair gear (312) is smaller than that of the nut transmission gear pair tooth (314), the nut transmission gear pair tooth (314) is meshed with the quick pinion (313), and the rotating handle (32) is installed on a rotating shaft of the quick pinion (313).

3. The adjustable monitoring type replacing device for the light large-tonnage porcelain insulator, according to claim 1, is characterized in that: the pressure sensing device (4) comprises a pressure sensor (41), a display screen (42) and a user handheld terminal (43), wherein the pressure sensor (41) monitors a pressure value during force transfer operation and displays the pressure value on the display screen (42), and the user handheld terminal (43) transmits the monitored pressure value to the ground end in a wireless transmission mode; the side surface of the pressure sensing device (4) is provided with a charging jack (44).

4. The adjustable monitoring type replacing device for the light large-tonnage porcelain insulator, according to claim 1, is characterized in that: one end of the front clamping plate (13) is hinged with the rear clamping plate (14) through a bolt pin (16), and the other end of the front clamping plate (13) is tightly fixed with the rear clamping plate (14) through the bolt pin (16) and a nut (17).

5. The adjustable monitoring type replacing device for the light large-tonnage porcelain insulator, according to claim 1, is characterized in that: an aluminum chuck connecting sleeve (23) is arranged at the joint of the gearbox (3) and the tension screw rod (22), and one end of the aluminum chuck connecting sleeve (23) is connected with the tension screw rod (22) through a jackscrew (24); the other end of the aluminum chuck connecting sleeve (23) is connected with a tightening screw rod (21) through a tightening screw rod nut (25).

6. The adjustable monitoring type replacing device for the light large-tonnage porcelain insulator, according to claim 5, is characterized in that: the gearbox (3) is connected with a tension screw rod (22) through a countersunk screw (33), and a gasket (34) is arranged between the tension screw rod (22) and a tightening screw rod nut (25).

7. The adjustable monitoring type replacing device for the light large-tonnage porcelain insulator, according to claim 1, is characterized in that: two ends of the hydraulic screw rod (2) are respectively provided with a U-shaped clamping head (27), two tail ends of the U-shaped clamping heads (27) are respectively provided with a threaded hole, a bolt (28) penetrates through the threaded holes, and the tail end of the bolt (28) is sleeved with a hexagon nut (29); through holes (15) are formed in the two ends of the rear clamping plate (14), and the clamping device (1) is sleeved on a bolt on the inner side of the U-shaped clamping head (27) through the through holes (15).

8. The adjustable monitoring type replacing device for the light large-tonnage porcelain insulator, according to claim 1, is characterized in that: a gearbox shell is arranged on the side face, close to the tightening screw rod (21), of the gearbox (3), and the gearbox shell is fixedly connected with the gearbox (3) through screws; a handle sleeve (26) is sleeved at the joint of the tightening screw rod (21) and the gear box (3).

9. The adjustable monitoring type replacing device for the light large-tonnage porcelain insulator, as recited in claim 2, is characterized in that: a push ball bearing (315) is sleeved on a rotating shaft of the nut transmission gear (311), and when the nut transmission gear (311) rotates, the push ball bearing (315) drives the tightening screw rod (21) to rotate; the rotating shaft of the quick pinion (313) is sleeved with a ball bearing (316), when the quick pinion (313) rotates, the auxiliary gear (314) of the nut transmission gear is driven to rotate through the ball bearing (316), and then the auxiliary gear (312) of the gear drives the nut transmission gear (311) to rotate.

10. The adjustable monitoring type replacing device for the light large-tonnage porcelain insulator, according to claim 1, is characterized in that: the front clamping plate (13) and the rear clamping plate (14) are made of titanium alloy (TC 4).