CN104967051B - The built on stilts bus conductor spacer installation system of ultra-high voltage transformer station - Google Patents

Abstract

The invention provides an installation system for overhead busbar spacers in UHV substations, including traction equipment, steering tackle, traction cables, load cables, chain hoists for adjusting the sag of load cables, and support tackle for supporting traction cables during traction , Installed on the UHV substation frame and used to install the connecting tool for supporting the pulley and connecting the load-bearing cable, and can tow the electric manned flying car. The invention not only can solve the problem of insufficient climbing ability of conventional electric flying cars, but also has higher efficiency than conventional electric flying cars. The construction personnel took the towable electric manned flying car to the designated place to install the spacer rods, which can well ensure the construction quality and economically solve the problem of spacer rod installation when the overhead busbar of the 1000kV UHV substation is an expanded wire.

Description

UHV Substation Overhead Bus Bar Spacer Installation System

【Technical field】

The invention relates to the technical field of ultra-high voltage power transformation, in particular to a spacer bar installation system for overhead busbars in ultra-high voltage substations.

【Background technique】

Since the height of the overhead busbars in 1000kV UHV substations is about 47m~50m, and the use of expanded wires for overhead busbars is popular, there are three commonly used methods for installing overhead busbar spacers in UHV substations in the past: using aerial work platforms for installation; crane arm end installation The hanging basket is installed with people; the construction personnel directly step on the wire to install, and there are the following problems: the use of an aerial work platform for construction needs to be equipped with an ultra-high-altitude work platform, which is expensive to purchase and poor in economy; use the crane arm to install the hanging basket to carry people For the installation of accessories, not only the cost of the crane shift is high, but also the construction method violates the "Safety Operation Regulations for Hoisting Machinery"; the ability of the expanded wire to resist external force deformation is far inferior to that of ordinary wires, and the traditional manual stepping on the wire may cause the deformation of the wire and affect the project. quality.

In the past, the manned flying car used in the installation and construction of the sub-conductor spacer of the transmission line was a non-powered flying car. The efficiency is not high; although the manned flying cars used in the maintenance of transmission line conductors are driven purely by battery power, the power and rated load cannot meet the installation requirements for the spacer bars of the substation frame overhead bus bar, because the substation frame overhead bus bar The sag span is larger than the sag span of the conductor or ground wire in the transmission line, that is, the slope is larger, and the climbing ability of the manned flying car driven purely by battery power is limited.

Therefore, it is very necessary to design a UHV substation overhead busbar spacer installation system that can overcome the above-mentioned shortcomings.

【Content of invention】

In view of this, in order to overcome the deficiencies of the prior art, the present invention provides a UHV substation overhead busbar spacer installation system, which can effectively solve the spacer installation problem when the 1000kV UHV substation overhead busbar is an expanded wire.

In order to achieve the above object, the UHV substation overhead bus bar spacer installation system provided by the present invention is characterized in that it includes traction equipment, a steering block, a traction cable, a load cable, a chain hoist for adjusting the sag of the load cable, and a Supporting pulley to support the traction cable, a connecting tool installed on the UHV substation frame and used to install the supporting pulley and connect the load-bearing cable, and tow the electric manned flying car;

One end of the traction cable is wound on the reel of the traction equipment after passing through the steering block, and the other end of the traction cable is connected to the traction hole of the towable electric passenger flying vehicle; the traction equipment pulls the towable electric passenger flying vehicle through the traction cable ;

The two ends of the load-bearing cable are respectively connected to the connecting tools on the left and right sides through a chain hoist;

The supporting block is installed on the lower part of the connecting tool;

The driving wheel and the driven wheel of the towable electric manned flying car are attached to the bearing cables, and the traction holes at both ends of the towable electric manned flying car are respectively connected with two towing cables.

As a preferred solution, the towable electric manned flying car includes a wheel frame assembly, a strut assembly, a bracket assembly, a support assembly, a controller assembly, a foot lever, a connecting rod, and a Hall for controlling the forward and backward movement of the flying car. Hall turn handle, and a rotating shaft for connecting the support assembly and the pedal rod; the controller assembly is composed of a battery and a control board that controls the forward and reverse rotation of the motor according to the signal transmitted by the Hall turn handle;

The wheel frame assembly includes a wheel frame A and a wheel frame B, the upper part of the wheel frame A and the wheel frame B are connected by a strut assembly, and the lower part is connected by a connecting rod; the wheel frame A is provided with a driving wheel and a motor, and the wheel frame B is provided with a There are driven wheels and brake pads; the driving wheel and driven wheel are attached to the load cable;

The strut assembly is composed of a suspension ring and a strut connected to the wheel frame A and the wheel frame B at both ends;

There are also two lock assemblies connected to the wheel frame A and the wheel frame B respectively; the lock assembly includes a buckle, a first fixed pin, a second fixed pin, a buckle plate and a connecting plate; the buckle includes a buckle The main body at the groove of the wheel frame A and the two connection ends connected with the pinch plate; the pinch plate and the chain puller are combined and hinged through the first fixed pin, and the two connection ends of the buckle are respectively passed through the second fixed pin and the pinch plate The two sides of the connecting plate are connected; the connecting plate is provided with a connecting hole for winding with the wheel frame assembly and the bracket assembly;

The bracket assembly includes two "T"-shaped four-way pipes, cross-bracing connecting rods and two elbow pipes, each "T"-shaped four-way pipe is composed of a short pipe and a long pipe vertically connected, each "T"-shaped The four-way pipe is equipped with a first opening A, a second opening B, a third opening C and a fourth opening D for connecting with the Hall handle; the first opening A and the second opening B are located at both ends of the short pipe , the third opening C is located at one end of the long pipe, and the fourth opening D is located on the side wall of the long pipe; the cross brace connecting rods are inserted into the two short pipes in sequence and the two "T" shaped four-way pipes are connected together by rivets, The two bent pipes are respectively inserted into the two long pipes and connected with the "T" shaped four-way pipe through rivets; the Hall handle is installed on the bracket assembly;

The support assembly includes a seat cushion, a backrest, a vertical pipe with joints, a four-way pipe, a horizontal pipe and a support pipe; the joint is connected to the rotating shaft, the horizontal pipe and the vertical pipe are connected through a four-way pipe, and the support pipe and the horizontal pipe connected, the seat cushion is installed on the vertical pipe, and the backrest is installed on the leaning pipe;

Two traction steel blocks with traction holes are also provided, and the two traction steel blocks are respectively fixed on the wheel frame A and the wheel frame B by screws, and the traction holes are connected with the traction cables on both sides of the wheel frame assembly.

The advantage of the present invention is that: the present invention builds an installation system for overhead bus bar spacers in UHV substations by installing portable cableways on both sides of the overhead busbar, and can tow the electric passenger-carrying vehicle attached to the carrying cables of the portable cableway, and utilize the power of the towable electric passenger-carrying vehicle itself Or external traction equipment traction, in the downhill or gentler part of the overhead bus, it is driven by the battery of the towable electric manned flying car, and the climbing part relies on the traction equipment at both ends of the system to pull the towable electric manned flying car, which can not only solve the conventional The electric flying car has the characteristics of insufficient climbing ability, and its efficiency is higher than that of the conventional electric flying car. The construction personnel took the towable electric manned flying car to the designated place to install the spacer rods, which can well ensure the construction quality and economically solve the problem of spacer rod installation when the overhead busbar of the 1000kV UHV substation is an expanded wire.

【Description of drawings】

Fig. 1 is a schematic diagram of the on-site layout of the installation system for overhead bus bar spacers in UHV substations according to the present invention.

Fig. 2 is a front view structural schematic diagram of the towable electric manned flying vehicle of the present invention.

Fig. 3 is a side view structural schematic diagram of the towable electric passenger flying vehicle of the present invention.

Fig. 4 is a schematic structural diagram of the locking assembly of the present invention.

Fig. 5 is a schematic diagram of the connection between the locking assembly of the present invention and other components of the flying car.

Fig. 6 is a schematic structural view of the bracket assembly of the present invention.

Fig. 7 is a schematic diagram of connection between the bracket assembly of the present invention and other components of the flying car.

In the figure: traction equipment 1, steering block 2, traction cable 3, load cable 4, chain hoist 5, support block 6, connection tool 7, towable electric passenger car 8, wire 9, porcelain bottle string 10;

Wheel frame assembly 81, strut assembly 82, lock assembly 83, bracket assembly 84, support assembly, controller assembly 86, pedal rod 87, connecting rod 88, Hall handle 89, rotating shaft 810, traction steel block 811 ;

Buckle 83.1, main body 83.11, connecting end 83.12, first fixing pin 83.2, second fixing pin 83.3, buckle plate 83.4, connecting plate 83.5, connecting hole 83.51, wheel 83.6;

"T" shaped four-way pipe 84.1, short pipe 84.11, long pipe 84.12, cross brace connecting rod 84.2, elbow pipe 84.3, first opening A, second opening B, third opening C, fourth opening D;

a. Wheel frame A, b. Wheel frame B.

【detailed description】

In order to better understand the present invention, the present invention will be described in detail below in conjunction with the accompanying drawings and specific examples.

As shown in Figure 1, a schematic diagram of the on-site layout of the installation system for overhead bus bar spacers in UHV substations. UHV substation overhead busbar spacer installation system, including traction equipment 1, steering block 2, traction cable 3, load cable 4, chain hoist for adjusting the sag of load cable 4, and bearing for supporting traction cable 3 during traction The support block 6, the connection tool 7 installed on the UHV substation frame and used to install the support block 6 and connect the load-carrying cable 4, can tow the electric manned flying car 8;

One end of the traction rope 3 is wound on the reel of the traction device 1 after passing through the steering block 2, and the other end of the traction rope 3 is connected with the traction hole of the towable electric passenger-carrying vehicle 8; The flying car 8 is towed;

The two ends of the load-bearing cable 4 are respectively connected with the connecting tools 7 on the left and right sides through the chain hoist 5;

Support block 6 is installed on the bottom of connection tool 7;

The driving wheel and the driven wheel of the towable electric manned flying car 8 are attached to the load-bearing cable 4, and the traction holes at both ends of the towable electric manned flying car 8 are respectively connected with two traction cables 3.

The working principle of the UHV substation overhead busbar spacer installation system is as follows: 1) When the slope is downhill or the slope is relatively gentle, the lithium battery is used to supply power to the controller components, and the construction personnel sit on the cushion and control the switch on the Hall handle to operate The flying car moves forward or backward; 2) When the slope is relatively large and difficult to climb, the traction hole on the flying car can be used to pull and climb the slope through the traction equipment at both ends.

The above-mentioned towable electric manned flying car 8 includes a wheel frame assembly 81, a strut assembly 82, a bracket assembly 84, a support assembly, a controller assembly 86, a foot lever 87, and a connecting rod 88, which are used to control the forward and backward movement of the flying car. The Hall turn handle 89, and the shaft 810 used to connect the support assembly and the pedal rod 87; the controller assembly 86 is composed of a battery and a control board that controls the forward and reverse rotation of the motor according to the signal transmitted by the Hall turn handle 89 composition.

Wheel frame assembly 81 comprises wheel frame A and wheel frame B, wheel frame A and wheel frame B top are connected by strut assembly 82, and bottom is connected by connecting rod 88; Wheel frame A is provided with drive wheel and motor, wheel frame B is provided with A driven wheel and a brake pad are provided; the driving wheel and the driven wheel are attached to the bearing cable 4; the strut assembly 82 is composed of a suspension ring and a strut connected to the wheel frame A and the wheel frame B at both ends.

There are also two lock assemblies 83 respectively connected to the wheel frame A and the wheel frame B; the lock assembly 83 includes a buckle ring 83.1, a first fixed pin 83.2, a second fixed pin 83.3, a buckle plate 83.4 and a connecting plate 83.5 The clasp 83.1 includes a main body 83.11 buckled in the groove of the wheel frame and two connection ends 83.12 connected with the pinch plate 83.4; the pinch plate 83.4 is buckled with the connecting plate 83.5 and hinged through the first fixed pin 83.2, and the two pins of the clasp 83.1 The two connecting ends 83.12 are respectively connected to the two side surfaces of the buckle plate 83.4 through the second fixing pin 83.3;

The bracket assembly 84 includes two "T" shaped four-way pipes 84.1, cross brace connecting rods 84.2 and two bent pipes 84.3, each "T" shaped four-way pipe 84.1 is composed of a short pipe 84.11 and a long pipe 84.12 vertically connected, each Each "T" shaped four-way pipe 84.1 is provided with a first opening A, a second opening B, a third opening C and a fourth opening D for connecting with the Hall handle 89; the first opening A and the second opening B is located at both ends of the short tube 84.11, the third opening C is located at one end of the long tube 84.12, and the fourth opening D is located on the side wall of the long tube 84.12; the cross brace connecting rod 84.2 is inserted into the two short tubes 84.11 in turn and connected by rivets. Two "T"-shaped four-way pipes 4.1 are connected together, and two elbow pipes 84.3 are respectively inserted into two long pipes 84.12 and connected with "T"-shaped four-way pipes 84.1 by rivets; Hall turn handle 89 is installed on the bracket assembly 84 on.

The support assembly includes a seat cushion, a backrest, a vertical pipe with joints, a cross pipe, a horizontal pipe and a leaning pipe; the joint is connected to the rotating shaft, the horizontal pipe and the vertical pipe are connected through a cross pipe, the leaning pipe is connected to the horizontal pipe, and the seat cushion is installed On the standpipe, the backrest is installed on the pipe; there are also two traction steel blocks 811 with traction holes, and the two traction steel blocks 811 are respectively fixed on the wheel frame A and the wheel frame B by screws. The traction cables 3 on both sides of the wheel carrier assembly 81 are connected.

The working principle of the UHV substation overhead bus bar spacer installation system of the present invention is as follows:

(1) The UHV substation overhead busbar spacer installation system is mainly composed of traction equipment, steering block, traction cable, load cable, chain hoist, connecting tools, supporting block, towable electric manned flying car, etc.

(2) The traction equipment provides power for the whole system. When the slope is relatively large and difficult to climb, the traction equipment is used to tow the towable electric manned flying vehicle. When the flying car climbs the left slope shown in Figure 1, use the left traction device for traction; when the flying car climbs the right slope shown in Figure 1, the right two traction devices.

(3) The steering block plays a steering role and turns the traction force to facilitate the site layout of the traction equipment on site.

(4) The traction rope is a steel wire rope that pulls the towable electric manned flying vehicle and the construction personnel to run on the load-bearing cable. Connected, the towing device pulls the towable electric passenger flying car through the tow rope.

(5) The load-bearing cable is a wire rope that bears the gravity of the towable electric manned flying car and the construction personnel. One end is connected to the connecting tool on the left side of Fig. 1 through a chain hoist, and the other end is connected to the connecting tool on the right side of Fig. 1 .

(6) The function of the chain hoist is to adjust the sag of the load-bearing cable so that the sag of the load-bearing cable meets the design requirements.

(7) The connecting tool is installed on the frame of the UHV substation, and its main function is to install the supporting pulley and connect the bearing cable.

(8) The supporting block is installed at the lower part of the connecting tool, and its main function is to support the traction cable during traction.

(9) The towable electric manned flying car is the key equipment in the system, relying on the driving wheel and the driven wheel to attach to the load-bearing cable, and the traction holes at both ends are respectively connected with two traction cables. The construction personnel take the towable electric manned flying car, relying on the driving force of the flying car and the traction of the traction equipment, they can reach the relevant places for the installation and construction of spacers.

Claims (1)

1. A UHV substation overhead bus bar spacer installation system is characterized in that: it comprises a traction device (1), a steering tackle (2), a traction cable (3), a load-bearing cable (4), and is used to adjust the load-bearing cable (4) ) sagging chain hoist (5), the supporting block (6) used to support the traction cable (3) during traction, installed on the UHV substation frame and used to install the supporting block (6) and connect the load-carrying cable ( 4) connecting tool (7), towable electric manned flying vehicle (8); One end of the traction rope (3) is wound on the reel of the traction device (1) after passing through the steering block (2), and the other end of the traction rope (3) is connected with the traction hole of the towable electric manned flying car (8); The towing device (1) pulls the towable electric passenger-carrying vehicle (8) through the towing cable (3); The two ends of the load-bearing cable (4) are respectively connected to the connecting tools (7) on the left and right sides through the chain hoist (5); the supporting block (6) is installed on the lower part of the connecting tool (7); The driving wheel and the driven wheel of the towable electric manned flying car (8) are attached to the carrying cables (4), and the traction holes at both ends of the towable electric peopled flying car (8) are respectively connected with two towing cables (3) ; The towable electric manned flying car (8) includes a wheel frame assembly (81), a strut assembly (82), a bracket assembly (84), a support assembly (85), a controller assembly (86), a foot lever (87), connecting rod (88), Hall handle (89) in order to control the advance and retreat of flying car, and the rotating shaft (810) that is used to connect support assembly (85) and pedal bar (87); The controller assembly (86) is composed of a battery and a control board that controls the forward and reverse rotation of the motor according to the signal transmitted by the Hall handle (89); The wheel frame assembly (81) includes a wheel frame A and a wheel frame B, the upper part of the wheel frame A and the wheel frame B is connected by a strut assembly (82), and the lower part is connected by a connecting rod (88); Wheel and motor, wheel frame B is provided with driven wheel and brake disc; Described driving wheel and driven wheel are attached on the bearing cable (4); The strut assembly (82) is composed of a suspension ring and a strut connected to the wheel frame A and the wheel frame B at both ends; There are also two lock assemblies (83) connected to the wheel frame A and the wheel frame B respectively; the lock assembly (83) includes a buckle ring (83.1), a first fixing pin (83.2), a second fixing pin Pin (83.3), buckle plate (83.4) and connecting plate (83.5); buckle ring (83.1) includes the main body (83.11) buckled at the wheel frame A groove and two connecting ends ( 83.12); the buckle plate (83.4) is buckled with the connecting puller (83.5) and hinged through the first fixed pin (83.2), and the two connecting ends (83.12) of the buckle ring (83.1) are respectively passed through the second fixed pin (83.3) and the buckle The two sides of the plate (83.4) are connected; the connecting plate (83.5) is provided with a connection hole (83.51) for connecting with the wheel frame assembly and the bracket assembly (84); The bracket assembly (84) includes two "T" shaped four-way pipes (84.1), cross brace connecting rods (84.2) and two elbows (84.3), and each "T" shaped four-way pipe (84.1) consists of The short pipe (84.11) and the long pipe (84.12) are vertically connected, and each "T"-shaped four-way pipe (84.1) is provided with a first opening A, a second opening B, a third opening C and used to connect with Hall The fourth opening D connected by the handle (89); the first opening A and the second opening B are located at both ends of the short pipe (84.11), the third opening C is located at one end of the long pipe (84.12), and the fourth opening D is located at the long On the side wall of the tube (84.12); the cross brace connecting rod (84.2) is inserted into the two short tubes (84.11) in sequence and the two "T" shaped four-way tubes (4.1) are connected together by rivets, and the two bent tubes (84.3) are respectively inserted into the two long pipes (84.12) and connected with the "T" shaped four-way pipe (84.1) through rivets; the Hall handle (89) is installed on the bracket assembly (84); The support assembly (85) includes a seat cushion, a backrest, a vertical pipe provided with joints, a four-way pipe, a horizontal pipe and a support pipe; It is connected with the horizontal pipe, the seat cushion is installed on the vertical pipe, and the backrest is installed on the leaning pipe; Also be provided with two traction steel blocks (811) that are provided with traction holes, and the two traction steel blocks (811) are respectively fixed on the wheel frame A and the wheel frame B by screws, and the described traction holes are connected with the wheel frame assembly ( 81) the traction cables (3) on both sides are connected.