CN112390173A - Special GCB (general packet bus) overhauling device and method for GIS (geographic information System) equipment - Google Patents

Special GCB (general packet bus) overhauling device and method for GIS (geographic information System) equipment Download PDF

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Publication number
CN112390173A
CN112390173A CN202011321509.8A CN202011321509A CN112390173A CN 112390173 A CN112390173 A CN 112390173A CN 202011321509 A CN202011321509 A CN 202011321509A CN 112390173 A CN112390173 A CN 112390173A
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CN
China
Prior art keywords
arm
gcb
lifting
chassis
control system
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Pending
Application number
CN202011321509.8A
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Chinese (zh)
Inventor
曾广栋
马明
谢湘军
孔祥力
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China Yangtze Power Co Ltd
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China Yangtze Power Co Ltd
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Publication date
Application filed by China Yangtze Power Co Ltd filed Critical China Yangtze Power Co Ltd
Priority to CN202011321509.8A priority Critical patent/CN112390173A/en
Publication of CN112390173A publication Critical patent/CN112390173A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
    • B66C23/42—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes with jibs of adjustable configuration, e.g. foldable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/64—Jibs
    • B66C23/68—Jibs foldable or otherwise adjustable in configuration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/72—Counterweights or supports for balancing lifting couples
    • B66C23/74—Counterweights or supports for balancing lifting couples separate from jib
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/72—Counterweights or supports for balancing lifting couples
    • B66C23/78—Supports, e.g. outriggers, for mobile cranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62—Constructional features or details
    • B66C23/84—Slewing gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/88—Safety gear

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)

Abstract

A longitudinal supporting mechanism and a transverse supporting mechanism are arranged on a chassis of a wheel type travelling mechanism, an anti-tilting protection mechanism is positioned on one side of the chassis, a lifting mechanism is vertical to the chassis and connected with the chassis, a cargo boom is connected with the lifting mechanism, a rolling and lifting mechanism is in rolling fit with a revolving arm of the cargo boom, the wheel type travelling mechanism, the lifting mechanism, the cargo boom and the rolling and lifting mechanism are controlled by a control system to be matched with each other to lift the GCB to realize loading, unloading and maintenance, and when an anti-tilting alarm gives an alarm in the lifting or travelling process, the anti-tilting protection mechanism or a balancing weight is added to avoid the wheel type travelling mechanism from tilting. The invention overcomes the problems of large weight, small maintenance space, inconvenient transportation due to the adoption of erected scaffolds for disassembly and maintenance, low efficiency and potential safety hazard of the prior GIS equipment GCB, and has the characteristics of simple structure, realization of operation in a narrow space, no need of high-altitude operation of an operator, safety, reliability, high efficiency, and simple and convenient operation.

Description

Special GCB (general packet bus) overhauling device and method for GIS (geographic information System) equipment
Technical Field
The invention belongs to the technical field of power transmission and distribution, and relates to a special GCB maintenance device and method for GIS equipment.
Background
The totally-enclosed Gas Insulated Switchgear is also called GIS equipment, is an abbreviation of English Gas Insulated Switchgear, and mainly combines a bus, a circuit breaker, a current transformer, a voltage transformer, an isolating switch, a lightning arrester and the like into a whole, and sulfur hexafluoride Gas is used for insulation, namely a switch station. The circuit breaker is called GCB for short, is used for disconnecting or closing the electric connection between the generator and the bus and plays a vital role. GIS equipment of different voltage classes, its GCB's structure or size are all inequality, and from the GCB of 126 kilovolts to 1100 kilovolts grades, its weight is about from 1 ton ~5 tons, and not only weight is great, and equipment site space is limited moreover, and the hoisting point is highly big, adopts to set up the scaffold frame at present to maintain, has potential safety hazards such as edge operation, high altitude construction, and can't transport lifting assembly, and the maintenance time is long, and is inefficient.
Disclosure of Invention
The invention aims to solve the technical problem of providing a special GCB overhauling device and a special GCB overhauling method for GIS equipment, which have simple structure, wherein a longitudinal supporting mechanism and a transverse supporting mechanism are arranged on a chassis of a wheel type walking mechanism, an anti-tilting protection mechanism is positioned on one side of the chassis, a lifting mechanism is vertical to the chassis and connected with the chassis, a cargo boom is connected with the lifting mechanism, a rolling and hoisting mechanism is in rolling fit with a revolving arm of the cargo boom, a control system controls the wheel type walking mechanism, the lifting mechanism, the cargo boom and the rolling and hoisting mechanism to be matched with each other to hoist the GCB to realize the loading, unloading and overhauling, and when an anti-tilting alarm gives an alarm in the hoisting or walking process, the anti-tilting protection mechanism or a balancing weight is added to prevent the wheel type walking mechanism from tilting, so that the operation in a narrow space is realized.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a GCB overhaul special device of GIS equipment comprises a wheel type traveling mechanism, a lifting mechanism, a crane boom, a rolling and hoisting mechanism, a longitudinal supporting mechanism, a transverse supporting mechanism, an anti-tilt protection mechanism and a control system; the lifting mechanism comprises a lifting mechanism, a wheel type travelling mechanism, a lifting column, a folding arm, a longitudinal supporting mechanism, a transverse supporting mechanism and an anti-inclination protection mechanism, wherein a fixed seat and a control system of the lifting mechanism are positioned on the upper part of a chassis of the wheel type travelling mechanism and connected with the upper part of the chassis of the wheel type travelling mechanism; the lifting mechanism drives the cargo boom to lift, the rotary arm rotates around the lifting mechanism, and the folding arm rotates around one end of the rotary arm.
The lifting mechanism comprises a lifting column in sliding fit with the fixed seat and lifting oil cylinders positioned on two sides of the fixed seat and connected with the lifting column.
The crane boom comprises a first rotary motor and a second rotary motor which are respectively connected with two ends of the rotary arm, and a folding arm connected with the second rotary motor.
The rolling and hanging mechanism comprises a rolling motor connected with the roller group and a hoist crane positioned at the lower part of the roller group and connected with the roller group, and the roller group is matched with the folding arm in a rolling way.
The longitudinal supporting mechanism comprises a longitudinal telescopic arm in sliding fit with the longitudinal arm, and a longitudinal supporting leg vertically penetrating through one end of the longitudinal telescopic arm and in threaded fit with the longitudinal telescopic arm, and the longitudinal arm is fixed to the lower portion of the chassis.
The transverse supporting mechanism comprises a transverse telescopic arm in sliding fit with the transverse arm, a transverse supporting leg vertically penetrating through one end of the transverse telescopic arm and in threaded fit with the transverse telescopic arm, and the transverse arm is fixed on the upper portion or one side of the chassis.
The anti-tilting protection mechanism comprises a rotating arm matched with the base body and an anti-tilting column matched with the rotating arm, and the base body is connected with the transverse arm or the chassis.
The control system comprises a PLC, a pump station and an overturn-preventing alarm are connected with the PLC, and the overturn-preventing alarm is located on one side, close to the wheels, of the lower portion of the chassis of the wheel type travelling mechanism.
And a tool box is arranged on the upper part of the chassis.
The overhauling method of the GCB overhauling special device of the GIS equipment comprises the following steps:
s1, approaching the GIS equipment, and controlling the control system to drive the wheel type travelling mechanism to approach the GIS equipment; respectively drawing out the longitudinal arm of the longitudinal supporting mechanism and the transverse arm of the transverse supporting mechanism without being separated from the longitudinal arm and the transverse arm; rotating the longitudinal support leg and the transverse support leg to enable the longitudinal support leg and the transverse support leg to be in contact with the ground; at the moment, the GCB is disconnected with the generator and the bus;
s2, hooking the GCB, driving the lifting oil cylinder to drive the lifting column to ascend by the control system, and driving the lifting arm to ascend to the top of the GIS equipment by the lifting column;
s2-1, operating the control system to enable the second rotary motor to drive the folding arm to rotate around the swiveling arm to unfold;
s2-2, operating the control system to enable the first rotary motor to drive the rotary arm to rotate around the lifting column, and enabling the folding arm to face the upper part of the GCB;
s2-3, precisely controlling, and driving a roller group of the hoist crane to roll to the position right above the GCB along the folding arm by the control system;
s2-4, driving a hook on the hoist crane to descend by the control system, stopping descending the hook when the hook descends to a hanging ring of the GCB, and hooking the hook with the hanging ring by a maintainer; then the hoist crane is driven to enable the GCB to ascend to the upper part of the GIS equipment and then stop;
s3, rotating the sequence, controlling the control system to drive the wheel type travelling mechanism to be away from the GIS equipment, and hoisting the GCB to a designated maintenance point for maintenance;
s4, the anti-tilt mechanism is anti-tilt, when any wheel at the lower part of the chassis leaves the ground in the process of lifting the GCB or the process of walking the wheel-type walking mechanism after lifting the GCB, the anti-tilt alarm positioned near the wheel gives an alarm, at the moment, the control system automatically controls the wheel-type walking mechanism to stop, and the position of the wheel leaving the ground is displayed on the display screen of the PLC;
s5, correcting the inclination, placing a balancing weight on a chassis at the upper part of the wheel above the ground, and increasing the weight of the side to keep the whole device balanced; or the control system is controlled to enable the first rotary motor to drive the rotary arm to rotate around the lifting column to be close to the side of the wheel away from the ground to increase the weight of the side; or in the hoisting process, when the wheels on the ground are positioned on the corresponding side of the base body, the locking mechanism on the rotating arm is released, the anti-tilt column is locked after falling to be in contact with the ground, and the wheels on the corresponding side are limited to leave the ground.
A GCB overhaul special device of GIS equipment comprises a wheel type traveling mechanism, a lifting mechanism, a crane boom, a rolling and hoisting mechanism, a longitudinal supporting mechanism, a transverse supporting mechanism, an anti-tilt protection mechanism and a control system; the fixed seat and the control system of the lifting mechanism are positioned on the upper part of a chassis of the wheeled walking mechanism and connected with the chassis, a first rotating motor at one end of a rotating arm of the crane boom is connected with a lifting column of the lifting mechanism, a second rotating motor at the other end of the rotating arm is connected with a folding arm, a rolling and lifting mechanism is in rolling fit with the folding arm, a longitudinal supporting mechanism and a transverse supporting mechanism are respectively connected with the chassis longitudinally and transversely, and an anti-tilting protection mechanism is positioned on one side of the chassis; the lifting mechanism drives the cargo boom to lift, the rotary arm rotates around the lifting mechanism, and the folding arm rotates around one end of the rotary arm. The anti-tilting protection mechanism is arranged on the chassis of the wheel type travelling mechanism, the anti-tilting protection mechanism is positioned on one side of the chassis, the lifting mechanism is vertical to the chassis and connected with the chassis, the cargo boom is connected with the lifting mechanism, the rolling and hoisting mechanism is in rolling fit with the rotary arm of the cargo boom, the control system controls the wheel type travelling mechanism, the lifting mechanism, the cargo boom and the rolling and hoisting mechanism to be matched to hoist the GCB to realize loading, unloading and maintenance, and when the anti-tilting alarm gives an alarm in the hoisting or travelling process, the anti-tilting protection mechanism or the additional balancing weight is used for avoiding the wheel type travelling mechanism from tilting, so that the operation in a narrow space is realized.
In a preferred scheme, the lifting mechanism comprises a lifting column and lifting oil cylinders, wherein the lifting column is in sliding fit with the fixed seat, and the lifting oil cylinders are located on two sides of the fixed seat and connected with the lifting column. The lifting device is simple in structure, and when the lifting device is used, the control system controls the lifting oil cylinder to lift, and the lifting oil cylinder lifts and drives the lifting column to stretch.
In a preferred scheme, the crane boom comprises a first rotating motor and a second rotating motor which are respectively connected with two ends of the rotating arm, and a folding arm connected with the second rotating motor. Simple structure, during the use, first rotation motor drive gyration arm is rotatory around the lift post, and the folding arm of second rotation motor drive is rotatory around the one end of gyration arm.
In a preferred scheme, the rolling and hanging mechanism comprises a rolling motor connected with a roller group and a hoist crane positioned at the lower part of the roller group and connected with the roller group, and the roller group is in rolling fit with the folding arm. Simple structure, during the use, the roll motor drive roller train rolls along folding arm, drives the calabash and hangs synchronous motion, and the promotion motor drive capstan winch that is located the calabash and hangs is rotatory, and the rotatory release chain of capstan winch, the couple of being connected with the chain links with the rings on the GCB hook.
Preferably, folding arm one side sets up the slide rail, has a plurality of ply-yarn drill with slide rail sliding fit, and the wire on the roll mechanism hangs the ply-yarn drill block, and the pulling ply-yarn drill slides along the slide rail and drives the wire and remove when the roller train rolls, avoids the wire to break and splits impaired.
In a preferred scheme, the longitudinal supporting mechanism comprises a longitudinal telescopic arm in sliding fit with the longitudinal arm, and a longitudinal supporting leg vertically penetrating through one end of the longitudinal telescopic arm and in threaded fit with the longitudinal telescopic arm, and the longitudinal arm is fixed on the lower portion of the chassis. Simple structure, during the use, according to GCB's voltage class, the flexible length of adjustment longitudinal extension arm, GCB's voltage class is higher, and weight is heavier, and longitudinal extension arm stretches out the length of longitudinal arm longer, and stability is better, and the back is stretched out to longitudinal extension arm, and the rotation is indulged the landing leg and is made it and ground contact.
In a preferred scheme, the transverse supporting mechanism comprises a transverse telescopic arm in sliding fit with the transverse arm, and a transverse supporting leg vertically penetrating through one end of the transverse telescopic arm and in threaded fit with the transverse telescopic arm, and the transverse arm is fixed on the upper portion or one side of the chassis. Simple structure, during the use, after taking out horizontal flexible arm in the horizontal arm, rotatory horizontal landing leg and ground contact support wheeled running gear jointly with vertical supporting mechanism, stability when further improving the operation.
In a preferred scheme, the anti-tilt protection mechanism comprises a rotating arm matched with a seat body, and an anti-tilt column matched with the rotating arm, wherein the seat body is connected with the transverse arm or the chassis. When the anti-tilting mechanism is used, the wheel type travelling mechanism tilts towards one side of the anti-tilting protection mechanism, the rotating arm is rotated towards one side, the anti-tilting column is positioned outside the chassis of the wheel type travelling mechanism, the locking mechanism on the rotating arm is loosened, the lower end of the anti-tilting column is contacted with the ground, and then the locking mechanism on the rotating arm is rotated to lock, so that the wheel type travelling mechanism is prevented from tilting.
In a preferred scheme, the control system comprises a PLC (programmable logic controller), a pump station and an overturn-preventing alarm are connected with the PLC, and the overturn-preventing alarm is positioned on one side, close to wheels, of the lower portion of a chassis of the wheel type travelling mechanism. Simple structure, during the use, when wheeled running gear to one side slope, the wheel that corresponds the side can leave ground, and the alarm that prevents toppling sends the chimes of doom to with this wheel liftoff information transmission to PLC controller, with this information display on the display screen after the PLC controller is handled, the operator of being convenient for is directly perceived and is observed.
In a preferred scheme, a tool box is arranged on the upper part of the chassis. Simple structure, during the use, used relevant operation tool stores in the toolbox during the operation, is convenient for take.
In a preferred embodiment, the method for repairing the GCB special repairing apparatus of the GIS device includes the following steps:
s1, approaching the GIS equipment, and controlling the control system to drive the wheel type travelling mechanism to approach the GIS equipment; respectively drawing out the longitudinal arm of the longitudinal supporting mechanism and the transverse arm of the transverse supporting mechanism without being separated from the longitudinal arm and the transverse arm; rotating the longitudinal support leg and the transverse support leg to enable the longitudinal support leg and the transverse support leg to be in contact with the ground; at the moment, the GCB is disconnected with the generator and the bus;
s2, hooking the GCB, driving the lifting oil cylinder to drive the lifting column to ascend by the control system, and driving the lifting arm to ascend to the top of the GIS equipment by the lifting column;
s2-1, operating the control system to enable the second rotary motor to drive the folding arm to rotate around the swiveling arm to unfold;
s2-2, operating the control system to enable the first rotary motor to drive the rotary arm to rotate around the lifting column, and enabling the folding arm to face the upper part of the GCB;
s2-3, precisely controlling, and driving a roller group of the hoist crane to roll to the position right above the GCB along the folding arm by the control system;
s2-4, driving a hook on the hoist crane to descend by the control system, stopping descending the hook when the hook descends to a hanging ring of the GCB, and hooking the hook with the hanging ring by a maintainer; then the hoist crane is driven to enable the GCB to ascend to the upper part of the GIS equipment and then stop;
s3, rotating the sequence, controlling the control system to drive the wheel type travelling mechanism to be away from the GIS equipment, and hoisting the GCB to a designated maintenance point for maintenance;
s4, the anti-tilt mechanism is anti-tilt, when any wheel at the lower part of the chassis leaves the ground in the process of lifting the GCB or the process of walking the wheel-type walking mechanism after lifting the GCB, the anti-tilt alarm positioned near the wheel gives an alarm, at the moment, the control system automatically controls the wheel-type walking mechanism to stop, and the position of the wheel leaving the ground is displayed on the display screen of the PLC;
s5, correcting the inclination, placing a balancing weight on a chassis at the upper part of the wheel above the ground, and increasing the weight of the side to keep the whole device balanced; or the control system is controlled to enable the first rotary motor to drive the rotary arm to rotate around the lifting column to be close to the side of the wheel away from the ground to increase the weight of the side; or in the hoisting process, when the wheels on the ground are positioned on the corresponding side of the base body, the locking mechanism on the rotating arm is released, the anti-tilt column is locked after falling to be in contact with the ground, and the wheels on the corresponding side are limited to leave the ground. The method is simple and convenient to operate, safe and reliable, and convenient to transport, and edge-facing operation and high-altitude operation are not required.
A GCB overhauling special device and method of GIS equipment comprises a wheel type traveling mechanism, a lifting mechanism, a crane boom, a rolling and hanging mechanism, a longitudinal supporting mechanism, a transverse supporting mechanism, an anti-tilting protection mechanism and a control system. The invention overcomes the problems of large weight, small maintenance space, inconvenient transportation due to the adoption of erected scaffolds for disassembly and maintenance, low efficiency and potential safety hazard of the prior GIS equipment GCB, and has the characteristics of simple structure, realization of operation in a narrow space, no need of high-altitude operation of an operator, safety, reliability, high efficiency, and simple and convenient operation.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of fig. 1.
Fig. 3 is a schematic top view of fig. 2.
Fig. 4 is a side view of fig. 2.
Fig. 5 is a schematic structural view of the connection between the folding arm and the rolling and hanging mechanism of the present invention.
In the figure: the device comprises a wheel type travelling mechanism 1, a chassis 11, wheels 12, a tool box 13, a lifting mechanism 2, a fixed seat 21, a lifting column 22, a lifting oil cylinder 23, a lifting arm 3, a revolving arm 31, a first revolving motor 32, a second revolving motor 33, a folding arm 34, a rolling mechanism 4, a roller group 41, a rolling motor 42, a hoist crane 43, a longitudinal supporting mechanism 5, a longitudinal arm 51, a longitudinal telescopic arm 52, a longitudinal supporting leg 53, a transverse supporting mechanism 6, a transverse arm 61, a transverse telescopic arm 62, a transverse supporting leg 63, an anti-tilt protection mechanism 7, a seat body 71, a revolving arm 72, an anti-tilt column 73, a control system 8 and an anti-tilt alarm 81.
Detailed Description
As shown in fig. 1 to 5, a GCB overhaul special device for GIS equipment comprises a wheel type traveling mechanism 1, a lifting mechanism 2, a crane boom 3, a rolling and lifting mechanism 4, a longitudinal supporting mechanism 5, a transverse supporting mechanism 6, an anti-tilt protection mechanism 7 and a control system 8; the fixed seat 21 and the control system 8 of the lifting mechanism 2 are positioned on the upper part of the chassis 11 of the wheeled walking mechanism 1 and connected with the chassis 11, the first rotary motor 32 at one end of the rotary arm 31 of the crane boom 3 is connected with the lifting column 22 of the lifting mechanism 2, the second rotary motor 33 at the other end of the rotary arm 31 is connected with the folding arm 34, the rolling and hoisting mechanism 4 is in rolling fit with the folding arm 34, the longitudinal support mechanism 5 and the transverse support mechanism 6 are respectively connected with the chassis 11 longitudinally and transversely, and the anti-tilt protection mechanism 7 is positioned on one side of the chassis 11; the lift mechanism 2 drives the boom 3 to move up and down, the swing arm 31 rotates around the lift mechanism 2, and the folding arm 34 rotates around one end of the swivel arm 31. The anti-tilting protection mechanism 7 is positioned on one side of the chassis 11, the lifting mechanism 2 is vertical to the chassis 11 and is connected with the chassis, the cargo boom 3 is connected with the lifting mechanism 2, the rolling and lifting mechanism 4 is in rolling fit with the rotary arm 31 of the cargo boom 3, the control system 8 controls the wheel type travelling mechanism 1, the lifting mechanism 2, the cargo boom 3 and the rolling and lifting mechanism 4 to be matched to lift the GCB to realize loading and unloading maintenance, and when the lifting or travelling process is carried out, the anti-tilting protection mechanism 7 or the additional balancing weight is used for avoiding the wheel type travelling mechanism 1 from tilting when the anti-tilting alarm 81 gives an alarm, so that the operation in a narrow space is realized, the high-altitude operation of an operator is not needed, and the anti-tilting protection mechanism is safe, reliable, high in efficiency and simple and convenient to operate.
Preferably, the wheel type traveling mechanism 1 includes wheels 12 connected to the chassis 11, and a traveling driving device connected to the wheels 12, the traveling driving device being connected to the control system 8, and the control system 8 controlling the traveling of the wheel type traveling mechanism 1.
In a preferred scheme, the lifting mechanism 2 includes a lifting column 22 slidably engaged with the fixing base 21, and a lifting cylinder 23 located on both sides of the fixing base 21 and connected to the lifting column 22. The structure is simple, when the lifting device is used, the control system 8 controls the lifting oil cylinder 23 to lift, and the lifting oil cylinder 23 lifts to drive the lifting column 22 to stretch.
Preferably, the oil pump connected to the lift cylinder 23 is located in the control box of the control system 8, the opening or pressure of the oil pump being controlled by the control system 8.
In a preferred embodiment, the crane arm 3 includes a first rotating motor 32 and a second rotating motor 33 respectively connected to both ends of the rotating arm 31, and a folding arm 34 connected to the second rotating motor 33. The structure is simple, when in use, the first rotary motor 32 drives the rotary arm 31 to rotate around the lifting column 22, and the second rotary motor 33 drives the folding arm 34 to rotate around one end of the rotary arm 31.
Preferably, the output ends of the first rotary motor 32 and the second rotary motor 33 are connected with driving gears, driven gears are engaged with the driving gears and are matched with a rotating base, the rotating base of the first rotary motor 32 is connected with the lifting column 22, and the rotating base of the second rotary motor 33 is connected with the rotary arm 31.
In a preferred embodiment, the rolling and hanging mechanism 4 includes a rolling motor 42 connected to the roller set 41, and a hoist hanger 43 connected to the lower portion of the roller set 41, wherein the roller set 41 is in rolling fit with the folding arm 34. Simple structure, during the use, roll motor 42 drive roller group 41 rolls along folding arm 34, drives the synchronous motion of calabash hoist 43, and the promotion motor drive capstan winch that is located calabash hoist 43 is rotatory, and the capstan winch is rotatory to release the chain, and the couple that is connected with the chain links with the rings on the GCB hook.
Preferably, a slide rail is arranged on one side of the folding arm 34, a plurality of line cards are arranged in sliding fit with the slide rail, the wires on the rolling and hoisting mechanism 4 are clamped with the line cards, and when the roller set 41 rolls, the line cards are pulled to slide along the slide rail to drive the wires to move, so that the wires are prevented from being broken and damaged.
In a preferred embodiment, the longitudinal support mechanism 5 includes a longitudinal telescopic arm 52 slidably engaged with the longitudinal arm 51, and a longitudinal leg 53 vertically passing through one end of the longitudinal telescopic arm 52 and threadedly engaged therewith, wherein the longitudinal arm 51 is fixed to the lower portion of the chassis 11. The structure is simple, when the device is used, the telescopic length of the longitudinal telescopic arm 52 is adjusted according to the voltage grade of the GCB, the higher the voltage grade of the GCB is, the heavier the weight is, the longer the longitudinal telescopic arm 52 extends out of the longitudinal arm 51 is, the better the stability is, and after the longitudinal telescopic arm 52 extends out, the longitudinal support leg 53 is rotated to be in contact with the ground.
In a preferred embodiment, the lateral support mechanism 6 includes a lateral telescopic arm 62 slidably engaged with the lateral arm 61, and a lateral support leg 63 vertically passing through one end of the lateral telescopic arm 62 and threadedly engaged therewith, wherein the lateral arm 61 is fixed to the upper portion or one side of the chassis 11. The structure is simple, when in use, after the transverse telescopic arm 62 is drawn out from the transverse arm 61, the rotary transverse supporting leg 63 is contacted with the ground, and supports the wheel type travelling mechanism 1 together with the longitudinal supporting mechanism 5, thereby further improving the stability during operation.
In a preferred embodiment, the anti-tilt protection mechanism 7 includes a rotating arm 72 engaged with the seat body 71, and an anti-tilt column 73 engaged with the rotating arm 72, wherein the seat body 71 is connected with the transverse arm 61 or the chassis 11. The structure is simple, when in use, in the hoisting process, when the wheel type travelling mechanism 1 inclines to one side of the anti-inclination protection mechanism 7, the rotating arm 72 is rotated to one side, the anti-inclination column 73 is positioned at the outer side of the chassis 11 of the wheel type travelling mechanism 1, the locking mechanism on the rotating arm 72 is released, the lower end of the anti-inclination column 73 is contacted with the ground, and then the locking mechanism on the rotating arm 72 is rotated to lock, so that the wheel type travelling mechanism 1 is prevented from inclining.
Preferably, when one side of the wheel type travelling mechanism 1 leaves the ground, a balancing weight is added on the side to increase the weight so as to improve the stability.
In a preferred scheme, the control system 8 comprises a PLC controller, a pump station and an anti-overturn alarm 81 are connected with the PLC controller, and the anti-overturn alarm 81 is located on one side of the lower portion of the chassis 11 of the wheeled travelling mechanism 1, which is close to the wheels 12. Simple structure, during the use, when wheeled running gear 1 was to one side slope, the wheel 12 of corresponding side can leave ground, and anti-toppling siren 81 sends the chimes of doom to with this wheel liftoff information transmission to PLC controller, with this information display on the display screen after the PLC controller handles, the operator of being convenient for is directly perceived and is observed.
Preferably, a height sensor is arranged at the front end of the overturn-preventing alarm 81, when the height of the chassis 11 from the ground changes, the overturn-preventing alarm 81 instantly gives an alarm, and the control system 8 automatically controls the wheel type traveling mechanism 1 to stop, and other mechanisms connected with the control system 8 also stop.
In a preferred scheme, a tool box 13 is arranged on the upper part of the chassis 11. Simple structure, during the use, the used relevant operation tool stores in toolbox 13 during the operation, is convenient for take.
In a preferred embodiment, the method for repairing the GCB special repair device of the GIS equipment includes the following steps:
s1, approaching the GIS equipment, and driving the wheel type travelling mechanism 1 to drive the wheel type travelling mechanism to approach the GIS equipment by the control system 8; the longitudinal arm 51 of the longitudinal support mechanism 5 and the transverse arm 61 of the transverse support mechanism 6 are respectively extracted without being separated therefrom; rotating the longitudinal leg 53 and the transverse leg 63 to make contact with the ground; at the moment, the GCB is disconnected with the generator and the bus;
s2, hooking the GCB, driving the lifting oil cylinder 23 to drive the lifting column 22 to ascend by the control system 8, and driving the lifting arm 3 to ascend to the top of the GIS equipment by the lifting column 22;
s2-1, operating the control system 8 to make the second rotary motor 33 drive the folding arm 34 to rotate and unfold around the swiveling arm 31;
s2-2, operating the control system 8 to enable the first rotating motor 32 to drive the rotating arm 31 to rotate around the lifting column 22, and enabling the folding arm 34 to face the upper part of the GCB;
s2-3, precisely controlling, and driving the roller group 41 of the hoist crane 43 to roll to the position right above the GCB along the folding arm 34 by the control system 8;
s2-4, the control system 8 drives the hook on the hoist crane 43 to descend, when the hook descends to the lifting ring of the GCB, the hook stops descending, and the maintainer hooks the hook with the lifting ring; then the hoist crane 43 is driven to enable the GCB to ascend to the upper part of the GIS equipment and then stop;
s3, rotating the sequence, and controlling the control system 8 to drive the wheel type travelling mechanism 1 to be away from GIS equipment, and hoisting the GCB to a designated maintenance point for maintenance;
s4, the anti-tilt mechanism is anti-tilt, when any wheel 12 at the lower part of the chassis 11 leaves the ground at the moment in the process of lifting the GCB or the process of walking the wheel-type walking mechanism 1 after lifting the GCB, the anti-tilt alarm 81 near the wheel 12 gives an alarm, at the moment, the control system 8 automatically controls the wheel-type walking mechanism 1 to stop, and the position of the wheel 12 leaving the ground is displayed on the display screen of the PLC;
s5, correcting the inclination, placing a balancing weight on the chassis 11 at the upper part of the wheel 12 above the ground, and increasing the weight of the side to keep the whole device balanced; alternatively, the control system 8 is controlled to make the first rotating motor 32 drive the rotating arm 31 to rotate around the lifting column 22 to approach the side of the ground-engaging wheel 12 to increase the weight of the side; or, in the hoisting process, when the wheel 12 on the ground is positioned at the corresponding side of the base body 71, the locking mechanism on the rotating arm 72 is released, the anti-tilting column 73 is locked after being lowered to be in contact with the ground, and the wheel 12 on the corresponding side is limited to be separated from the ground. The method is simple and convenient to operate, safe and reliable, and convenient to transport, and edge-facing operation and high-altitude operation are not required.
When the special device and the method for GCB maintenance of GIS equipment are installed and used, the longitudinal supporting mechanism 5 and the transverse supporting mechanism 6 are arranged on the chassis 11 of the wheel type travelling mechanism 1, the anti-tilting protection mechanism 7 is positioned on one side of the chassis 11, the lifting mechanism 2 is vertically arranged on the chassis 11 and connected with the chassis, the cargo boom 3 is connected with the lifting mechanism 2, the rolling and hanging mechanism 4 is in rolling fit with the rotary arm 31 of the cargo boom 3, the control system 8 controls the wheel type travelling mechanism 1, the lifting mechanism 2, the cargo boom 3 and the rolling and hanging mechanism 4 to be matched with the lifting and hanging GCB to realize loading, unloading and maintenance, when the anti-tilting alarm 81 gives an alarm in the lifting or travelling process, the anti-tilting protection mechanism 7 or the counterweight block is added to avoid the wheel type travelling mechanism 1 from tilting, so as to realize operation in a narrow space, no high-altitude operation of an operator is needed, safety, reliability.
When the lifting device is used, the control system 8 controls the lifting oil cylinder 23 to lift, and the lifting oil cylinder 23 lifts to drive the lifting column 22 to stretch.
In use, the first rotary motor 32 drives the rotary arm 31 to rotate about the lifting column 22, and the second rotary motor 33 drives the folding arm 34 to rotate about one end of the rotary arm 31.
When the lifting mechanism is used, the rolling motor 42 drives the roller group 41 to roll along the folding arm 34 to drive the hoist crane 43 to move synchronously, the lifting motor on the hoist crane 43 drives the winch to rotate, the winch rotates to release the chain, and the hook connected with the chain is hooked with the lifting ring on the GCB.
When the device is used, the telescopic length of the longitudinal telescopic arm 52 is adjusted according to the voltage grade of the GCB, the higher the voltage grade of the GCB is, the heavier the weight is, the longer the longitudinal telescopic arm 52 extends out of the longitudinal arm 51 is, the better the stability is, and after the longitudinal telescopic arm 52 extends out, the longitudinal support leg 53 is rotated to be in contact with the ground.
When in use, after the transverse telescopic arm 62 is drawn out from the transverse arm 61, the rotary transverse support leg 63 is in contact with the ground, and supports the wheel-type traveling mechanism 1 together with the longitudinal support mechanism 5, thereby further improving the stability during operation.
When the wheel type traveling mechanism 1 is inclined to the anti-inclination protection mechanism 7 side in a hoisting process, the rotating arm 72 is rotated to one side, the anti-inclination column 73 is positioned on the outer side of the chassis 11 of the wheel type traveling mechanism 1, the locking mechanism on the rotating arm 72 is released, the lower end of the anti-inclination column 73 is contacted with the ground, and then the locking mechanism on the rotating arm 72 is rotated to be locked, so that the wheel type traveling mechanism 1 is prevented from inclining.
When the wheel type travelling mechanism 1 inclines to one side, the wheels 12 on the corresponding side can leave the ground, the overturn prevention alarm 81 gives an alarm sound and sends the wheel off-ground information to the PLC, and the information is displayed on the display screen after being processed by the PLC, so that an operator can observe the information visually.
In use, the relevant operating tools used in operation are stored in the tool box 13 for easy access.
The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and features in the embodiments and examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention is defined by the claims, and includes equivalents of technical features of the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.

Claims (10)

1. The utility model provides a GCB of GIS equipment overhauls isolated plant which characterized by: the device comprises a wheel type travelling mechanism (1), a lifting mechanism (2), a crane boom (3), a rolling and hoisting mechanism (4), a longitudinal supporting mechanism (5), a transverse supporting mechanism (6), an anti-tilting protection mechanism (7) and a control system (8); the fixed seat (21) and the control system (8) of the lifting mechanism (2) are positioned on the upper part of a chassis (11) of the wheel type travelling mechanism (1) and connected with the upper part of the chassis, a first rotary motor (32) at one end of a rotary arm (31) of a crane boom (3) is connected with a lifting column (22) of the lifting mechanism (2), a second rotary motor (33) at the other end of the rotary arm (31) is connected with a folding arm (34), a rolling and lifting mechanism (4) is in rolling fit with the folding arm (34), a longitudinal supporting mechanism (5) and a transverse supporting mechanism (6) are respectively connected with the chassis (11) longitudinally and transversely, and an anti-tilting protection mechanism (7) is positioned on one side of the chassis (11); the lifting mechanism (2) drives the cargo boom (3) to lift, the rotary arm (31) rotates around the lifting mechanism (2), and the folding arm (34) rotates around one end of the rotary arm (31).
2. The GCB service special device of the GIS device according to claim 1, wherein: the lifting mechanism (2) comprises a fixed seat (21) and a lifting column (22) in sliding fit, and lifting oil cylinders (23) which are positioned on two sides of the fixed seat (21) and connected with the lifting column (22).
3. The GCB service special device of the GIS device according to claim 1, wherein: the crane arm (3) comprises a first rotary motor (32) and a second rotary motor (33) which are respectively connected with two ends of a rotary arm (31), and a folding arm (34) connected with the second rotary motor (33).
4. The GCB service special device of the GIS device according to claim 1, wherein: the rolling and hanging mechanism (4) comprises a rolling motor (42) connected with the roller group (41) and a hoist crane (43) positioned at the lower part of the roller group (41) and connected with the roller group, and the roller group (41) is matched with the folding arm (34) in a rolling way.
5. The GCB service special device of the GIS device according to claim 1, wherein: the longitudinal supporting mechanism (5) comprises a longitudinal telescopic arm (52) in sliding fit with the longitudinal arm (51) and a longitudinal supporting leg (53) vertically penetrating through one end of the longitudinal telescopic arm (52) and in threaded fit with the longitudinal telescopic arm, and the longitudinal arm (51) is fixed to the lower portion of the chassis (11).
6. The GCB service special device of the GIS device according to claim 1, wherein: the transverse supporting mechanism (6) comprises a transverse telescopic arm (62) in sliding fit with the transverse arm (61), a transverse supporting leg (63) vertically penetrates through one end of the transverse telescopic arm (62) and is in threaded fit with the transverse telescopic arm, and the transverse arm (61) is fixed on the upper portion or one side of the chassis (11).
7. The GCB service special device of the GIS device according to claim 1, wherein: the anti-tilt protection mechanism (7) comprises a rotating arm (72) matched with the base body (71) and an anti-tilt column (73) matched with the rotating arm (72), and the base body (71) is connected with the transverse arm (61) or the chassis (11).
8. The GCB service special device of the GIS device according to claim 1, wherein: the control system (8) comprises a PLC, a pump station and an overturn-preventing alarm (81) are connected with the PLC, and the overturn-preventing alarm (81) is located on one side, close to the wheels (12), of the lower portion of the chassis (11) of the wheel type travelling mechanism (1).
9. The GCB service special device of the GIS device according to claim 1, wherein: and a tool box (13) is arranged at the upper part of the chassis (11).
10. The overhauling method of the special GCB overhauling device for the GIS equipment according to any one of claims 1 to 9, which is characterized by comprising the following steps:
s1, approaching the GIS equipment, and driving the wheel type travelling mechanism (1) to drive the wheel type travelling mechanism (1) to approach the GIS equipment by the control system (8); respectively drawing out the longitudinal arm (51) of the longitudinal supporting mechanism (5) and the transverse arm (61) of the transverse supporting mechanism (6) without disengaging from the longitudinal arm and the transverse arm; rotating the longitudinal support leg (53) and the transverse support leg (63) to make them contact with the ground; at the moment, the GCB is disconnected with the generator and the bus;
s2, hooking a GCB, driving a lifting oil cylinder (23) to drive a lifting column (22) to ascend by an operation control system (8), and driving a lifting arm (3) to ascend to the top of GIS equipment by the lifting column (22);
s2-1, operating the control system (8) to enable the second rotary motor (33) to drive the folding arm (34) to rotate and unfold around the swiveling arm (31);
s2-2, operating the control system (8) to enable the first rotary motor (32) to drive the rotary arm (31) to rotate around the lifting column (22) and enable the folding arm (34) to face the upper portion of the GCB;
s2-3, accurately controlling, and driving a roller group (41) of a hoist crane (43) to roll to the position right above the GCB along a folding arm (34) by a control system (8);
s2-4, driving a hook on a hoist crane (43) to descend by the control system (8), stopping descending the hook when the hook descends to a hanging ring of the GCB, and hooking the hook and the hanging ring by a maintainer; then a hoist crane (43) is driven to enable the GCB to ascend to the upper part of the GIS equipment and then stop;
s3, switching, controlling the control system (8) to drive the wheel type travelling mechanism (1) to be away from GIS equipment, and hoisting the GCB to a designated maintenance point for maintenance;
s4, the anti-tilt mechanism is anti-tilt, when any wheel (12) at the lower part of the chassis (11) leaves the ground in the process of lifting the GCB or the process of walking the wheel-type walking mechanism (1) after lifting the GCB, the anti-tilt alarm (81) near the wheel (12) gives an alarm, at the moment, the control system (8) automatically controls the wheel-type walking mechanism (1) to stop, and the position of the wheel (12) which leaves the ground is displayed on the display screen of the PLC;
s5, correcting the inclination, placing a balancing weight on a chassis (11) at the upper part of the wheel (12) above the ground, increasing the weight of the side and keeping the whole device balanced; or the control system (8) is controlled to enable the first rotary motor (32) to drive the rotary arm (31) to rotate around the lifting column (22) to approach the side of the ground-off wheel (12) to increase the weight of the side; or in the hoisting process, when the wheels (12) to be lifted off the ground are positioned at the corresponding side of the base body (71), the locking mechanism on the rotating arm (72) is released, the anti-tilting column (73) is locked after being lowered to be in contact with the ground, and the wheels (12) at the corresponding side are limited to be lifted off the ground.
CN202011321509.8A 2020-11-23 2020-11-23 Special GCB (general packet bus) overhauling device and method for GIS (geographic information System) equipment Pending CN112390173A (en)

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CN202011321509.8A CN112390173A (en) 2020-11-23 2020-11-23 Special GCB (general packet bus) overhauling device and method for GIS (geographic information System) equipment

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CN202011321509.8A CN112390173A (en) 2020-11-23 2020-11-23 Special GCB (general packet bus) overhauling device and method for GIS (geographic information System) equipment

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