CN218665252U

CN218665252U - Be applied to 3WL circuit breaker loading and unloading operation car

Info

Publication number: CN218665252U
Application number: CN202223156580.2U
Authority: CN
Inventors: 张爱东; 苏小雪; 杨坤
Original assignee: China Yangtze Power Co Ltd
Current assignee: China Yangtze Power Co Ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-03-21
Anticipated expiration: 2032-11-28

Abstract

The utility model discloses a be applied to 3WL circuit breaker loading and unloading operation car, including the travelling car, the travelling car includes the mounting panel and locates the universal wheel on the four corners of mounting panel bottom respectively, the mounting panel top is equipped with the bearing platform parallel with the mounting panel, be equipped with hoisting mechanism between bearing platform and the mounting panel, upper surface one side of bearing platform is equipped with the guide rail and docks the part, and is relative with the guide rail and docks one side be equipped with electric cabinet and handrail on the mounting panel, be equipped with controller and power in the electric cabinet, hoisting mechanism and power respectively with controller electric connection, conveniently remove and dismantle the 3WL circuit breaker, improve stability and security in the transfer process.

Description

Be applied to 3WL circuit breaker loading and unloading operation car

Technical Field

The utility model relates to a water and electricity overhauls technical field, specifically indicates a be applied to 3WL circuit breaker loading and unloading operation car.

Background

The 0.4kV station power system of the three gorges power station has a huge number of Siemens 3WL circuit breakers, and the weight of a single circuit breaker can reach about 70 kg. When the existing circuit breaker breaks down and needs to be overhauled and disassembled, the circuit breaker is often lifted out of an installation guide rail by high-strength manpower, personnel and equipment are easily damaged, and potential safety hazards exist.

Therefore, a device convenient to move is needed for the maintenance of the circuit breaker, and the circuit breaker is prevented from being lifted out of the mounting rail for maintenance through a large amount of high-strength manpower.

Disclosure of Invention

An object of the utility model is to overcome the aforesaid not enough, provide a be applied to 3WL circuit breaker loading and unloading operation car, assist maintainer to dismantle, remove the 3WL circuit breaker, both improved work efficiency, avoid the potential safety hazard in the operation process again, improved the factor of safety of operation personnel and maintenance equipment.

The utility model discloses a solve above-mentioned technical problem, the technical scheme who adopts is: the utility model provides a be applied to 3WL circuit breaker loading and unloading operation car, includes the travelling car, the travelling car includes the mounting panel and locates the universal wheel on the four corners of mounting panel bottom respectively, the mounting panel top is equipped with the bearing platform parallel with the mounting panel, be equipped with hoisting mechanism between bearing platform and the mounting panel, upper surface one side of bearing platform is equipped with the guide rail butt joint part, the one side relative with the guide rail butt joint part be equipped with electric cabinet and handrail on the mounting panel, be equipped with controller and power in the electric cabinet, hoisting mechanism and power respectively with controller electric connection.

Preferably, the upper side of the mounting plate and the lower side of the bearing platform are respectively provided with a mounting groove, the positions of the two mounting grooves correspond to each other, the top and the bottom of the hoisting mechanism are respectively located in the corresponding mounting grooves, the hoisting mechanism comprises a fork shearing frame and a hoisting oil cylinder, and two ends of the hoisting oil cylinder are movably arranged between the fork shearing frames.

Preferably, the mounting grooves are internally provided with slide rails, the top end and the bottom end of the fork arm frame on the same side are hinged to the inner wall of the corresponding mounting groove through pins, the top end and the bottom end of the fork arm frame on the same side are rotatably provided with rotating rods through bearings, the two ends of each rotating rod are fixedly connected with pulleys, and the pulleys are rotatably arranged on the slide rails in the corresponding mounting grooves.

More preferably, the top of one side of the fork frame and the bottom of the side opposite to the top of the fork frame are respectively provided with a fixed plate, a first hinge joint is arranged in the middle of the fixed plate at the top, a second hinge joint is arranged in the middle of the fixed plate at the bottom, the lifting oil cylinder is obliquely arranged between the first hinge joint and the second hinge joint, the output end of the lifting oil cylinder is hinged with the top fixed plate through the first hinge joint, and the fixed end of the lifting oil cylinder is hinged with the bottom fixed plate through the second hinge joint.

Furthermore, the fork shearing frame comprises a plurality of groups of fork shearing arms arranged in the vertical direction, the fork shearing arms in each group are arranged in an X-shaped crossed manner, the fork shearing arms are hinged through pins, and the two adjacent groups of fork shearing arms are hinged through hinge rods.

Preferably, a control switch is arranged on the electric cabinet and electrically connected with the controller.

Preferably, the rail interfacing member aligns and mates with a mounting rail on the mounting platform when the load bearing platform is flush with the mounting platform.

Preferably, a braking mechanism is arranged on the universal wheel on one side of the handrail.

The utility model has the advantages that:

this device carries out the displacement through the travelling car, before removing it to circuit breaker installation guide rail, thereby utilizes hoisting mechanism to lift up the bearing platform and make guide rail butt joint part align with the installation guide rail, conveniently slides the 3WL circuit breaker to the bearing platform along guide rail butt joint part to convenient to detach need not the manpower and lifts up, also makes things convenient for the removal and the change of circuit breaker, improves circuit breaker maintenance efficiency.

Drawings

Fig. 1 is a schematic view of the structure of the utility model when it is lifted;

fig. 2 is a schematic diagram of the right-view structure of the utility model when it is lifted;

FIG. 3 is a schematic view of the structure of the utility model when descending;

FIG. 4 is an enlarged schematic view of point A of the present invention;

in the figure: 1. moving the trolley; 101. mounting a plate; 102. a universal wheel; 2. a hoisting mechanism; 201. a fork shearing frame; 2011. a scissor arm; 2012. a pin; 2013. a hinged lever; 202. a lifting oil cylinder; 203. a first hinge member; 204. a second hinge member; 205. a fixing plate; 206. rotating the rod; 207. a pulley; 3. an electric cabinet; 301. a control switch; 4. a load-bearing platform; 5. a rail interfacing component; 6. a handrail; 7. mounting grooves; 8. a slide rail.

Detailed Description

The present invention will be described in further detail with reference to the drawings and specific embodiments.

As shown in fig. 1, 2 and 3, as a preferred embodiment 1, a loading and unloading vehicle applied to a 3WL circuit breaker includes a moving trolley 1, where the moving trolley 1 includes a mounting plate 101 and universal wheels 102 respectively disposed at four corners of the bottom of the mounting plate 101, a bearing platform 4 parallel to the mounting plate 101 is disposed above the mounting plate 101, a lifting mechanism 2 is disposed between the bearing platform 4 and the mounting plate 101, a rail butting component 5 is disposed on one side of an upper surface of the bearing platform 4, an electric cabinet 3 and a handrail 6 are disposed on the mounting plate 101 on a side opposite to the rail butting component 5, a controller and a power supply are disposed in the electric cabinet 3, and the lifting mechanism 2 and the power supply are respectively electrically connected to the controller.

In the above embodiment, the bearing platform 4 is moved to a proper position by the movable trolley 1, the lifting mechanism 2 is controlled to ascend through the electric cabinet 3, so that the bearing platform 4 is lifted until the guide rail butt joint part 5 is aligned with the installation guide rail, the 3WL circuit breaker is detached from the installation guide rail and slides onto the guide rail butt joint part 5, so that the 3WL circuit breaker is transferred to the bearing platform 4, the lifting mechanism 2 is controlled to descend through the electric cabinet 3, the movable trolley 1 is pushed to complete the transfer, the overhaul and the replacement are convenient, the occurrence accident caused by the fact that a breaker overweight worker lifts the circuit breaker is prevented, the safety overhaul is realized, and the disassembly and the installation are convenient.

As shown in fig. 1 and 4, as a safe embodiment 2, the upper side of the mounting plate 101 and the lower side of the load-bearing platform 4 are respectively provided with a mounting groove 7, two mounting grooves 7 correspond to each other, the top and the bottom of the hoisting mechanism 2 are respectively located in the corresponding mounting grooves 7, the hoisting mechanism 2 comprises a fork frame 201 and a hoisting cylinder 202, and two ends of the hoisting cylinder 202 are movably arranged between the fork frame 201. The device utilizes the lifting oil cylinder 202 as a driving force to drive the fork shearing frame 201 to stretch and retract so as to lift or lift the bearing platform 4. Preferably, the controller can be a PLC controller of Mitsubishi FX1N-40 MR-001.

As shown in fig. 1 and 4, as a more preferred embodiment 3, the mounting grooves 7 are all provided with slide rails 8 therein, the top end and the bottom end of the fork 201 on the same side of one side thereof are respectively hinged to the inner wall of the corresponding mounting groove 7 through pins 2012, the top end and the bottom end of the fork 201 on the same side of the other side thereof are respectively rotatably provided with a rotating rod 206 through bearings, two ends of the rotating rod 206 are respectively fixedly connected with pulleys 207, and the pulleys 207 are rotatably provided on the slide rails 8 in the corresponding mounting grooves 7. The fork carriage 201 is convenient to stretch and retract, when the fork carriage 201 stretches and retracts, the shape of the fork carriage 201 can be changed, when the fork carriage 201 lifts under the output action of the lifting oil cylinder 202, the top end and the bottom end of one side of the fork carriage 201 rotate upwards around the pin 2012, the top end and the bottom end of the other side of the fork carriage 201 approach to the hinged side of the pin 2012 when being stretched through the sliding fit of the pulley 207 and the slide rail 8, when the fork carriage 201 descends under the contraction action of the lifting oil cylinder 202, one side of the fork carriage 201 is equal in length, the bottom end of the fork carriage 201 rotates downwards around the pin 2012, and the top end and the bottom end of the other side of the fork carriage 201 slide towards the hinged side far away from the pin 2012 to realize lifting and descending.

As shown in fig. 1 and fig. 2, as a more preferred embodiment 4, a fixed plate 205 is respectively disposed at a top portion and an opposite bottom portion of one side of the fork 201, a first hinge 203 is disposed at a middle position of the fixed plate 205 at the top portion, a second hinge 204 is disposed at a middle position of the fixed plate 205 at the bottom portion, the lifting cylinder 202 is obliquely disposed between the first hinge 203 and the second hinge 204, an output end of the lifting cylinder 202 is hinged to the top fixed plate 205 through the first hinge 203, a fixed end of the lifting cylinder 202 is hinged to the bottom fixed plate 205 through the second hinge 204 to form a limit, so as to ensure that the lifting cylinder 202 can successfully provide a driving force for lifting and lowering, when the lifting cylinder 202 outputs, an output end of the lifting cylinder ascends to drive the fork 201 to extend, when the lifting cylinder 202 contracts, an output end of the lifting cylinder descends to drive the fork 201 to contract, and lifting of the load-bearing platform 4 is completed.

More preferably, the hoisting mechanism 2 further comprises a motor, a one-way valve, a one-way throttle valve, a hydraulic oil tank, a hydraulic pipeline and other parts, which are common accessories of the hoisting oil cylinder 202. An oil pump motor drives an oil pump to rotate, pressure oil is output and distributed through a one-way valve, and the pressure oil is input into a lifting oil cylinder 202, so that the fork 201 and the bearing platform 4 are lifted; when the fork carriage descends, the button drives the electromagnetic valve to open the oil return oil circuit, hydraulic oil in the oil cylinder returns to the oil cylinder under the action of gravity, and the descending of the fork carriage and the platform is realized. A one-way throttle valve is arranged in a loop at the lower part of the lifting oil cylinder, and the speed of the goods during descending can be adjusted.

As shown in fig. 1 and fig. 2, as a more preferred embodiment 5, the fork carriage 201 includes a plurality of sets of fork arms 2011 arranged in a vertical direction, the fork arms 2011 in each set are arranged in an X-shape in a crossing manner, the fork arms 2011 are hinged through pins 2012, and the fork arms 2011 in two adjacent sets are hinged through hinge rods 2013, so as to form a basic fork arm 2011 structure, thereby ensuring smooth operation of the lifting process.

As shown in fig. 1 and fig. 3, as a preferred embodiment 6, a control switch 301 is disposed on the electric cabinet 3, and the control switch 301 is electrically connected to the controller, so as to facilitate operation and control and improve convenience of use.

As a preferred embodiment 7, when the bearing platform 4 is flush with the mounting platform, the rail butting part 5 is aligned and matched with the mounting rail on the mounting platform, so that the circuit breaker can be conveniently slid from the mounting rail to the rail butting part 5, the dismounting process is simplified, and operations such as lifting are not required in the process. Preferably, the load bearing platform 4 has a deck width of 750mm and a deck length of 905mm, and when fully raised, the deck is 1300mm from the ground.

As shown in fig. 1 and fig. 3, as a preferred embodiment 8, a braking mechanism is provided on the universal wheel 102 on one side of the armrest 6, so as to facilitate movement and braking of the mobile trolley 1, maintain a fixed position during the process of detaching the transfer circuit breaker, and ensure stability and safety of the process.

The utility model discloses a theory of operation:

when needing to install and dismantle the 3WL circuit breaker, utilize travelling car 1 to remove bearing platform 4 to suitable position, open the braking of universal wheel 102, it rises to control hoisting mechanism 2 through electric cabinet 3, thereby lift up bearing platform 4 and align with the installation guide rail until guide rail interfacing part 5, dismantle 3WL circuit breaker from the installation guide rail and slide to on the guide rail interfacing part 5, thereby shift it to bearing platform 4, control hoisting mechanism 2 through electric cabinet 3 and descend, remove the braking of universal wheel 102, promote travelling car 1 and can accomplish the transfer, convenient maintenance and change, prevent because the circuit breaker overweight staff lifts the emergence accident, safety inspection, convenient dismantlement and installation.

Claims

1. A loading and unloading operation vehicle applied to a 3WL circuit breaker comprises a movable trolley (1), wherein the movable trolley (1) comprises a mounting plate (101) and universal wheels (102) respectively arranged on four corners of the bottom of the mounting plate (101),

mounting panel (101) top is equipped with bearing platform (4) parallel with mounting panel (101), be equipped with hoisting mechanism (2) between bearing platform (4) and mounting panel (101), upper surface one side of bearing platform (4) is equipped with guide rail butt joint part (5), and one side relative with guide rail butt joint part (5) be equipped with electric cabinet (3) and handrail (6) on mounting panel (101), be equipped with controller and power in electric cabinet (3), hoisting mechanism (2) and power respectively with controller electric connection.

2. A 3WL circuit breaker handling vehicle as claimed in claim 1, wherein the upper side of the mounting plate (101) and the lower side of the load bearing platform (4) are respectively provided with a mounting groove (7), two mounting grooves (7) are corresponding in position, the top and bottom of the lifting mechanism (2) are respectively located in the corresponding mounting grooves (7), the lifting mechanism (2) comprises a scissor bracket (201) and a lifting cylinder (202), and two ends of the lifting cylinder (202) are movably arranged between the scissor bracket (201).

3. The 3WL breaker loading and unloading operation vehicle as claimed in claim 2, wherein the installation grooves (7) are all provided with slide rails (8), the top end and the bottom end on the same side of one side of the fork shearing frame (201) are respectively hinged with the inner wall of the corresponding installation groove (7) through pins (2012), the top end and the bottom end on the same side of the other side of the fork shearing frame (201) are respectively rotatably provided with a rotating rod (206) through bearings, two ends of the rotating rod (206) are respectively and fixedly connected with pulleys (207), and the pulleys (207) are rotatably arranged on the slide rails (8) in the corresponding installation grooves (7).

4. A 3WL circuit breaker handling work vehicle as claimed in claim 2, wherein the scissor bracket (201) is provided with a fixed plate (205) at the top and at the opposite side thereof, a first hinge (203) is provided at the middle position of the fixed plate (205) at the top, a second hinge (204) is provided at the middle position of the fixed plate (205) at the bottom, the lifting cylinder (202) is obliquely arranged between the first hinge (203) and the second hinge (204), the output end of the lifting cylinder (202) is hinged with the top fixed plate (205) through the first hinge (203), and the fixed end of the lifting cylinder (202) is hinged with the bottom fixed plate (205) through the second hinge (204).

5. A3 WL breaker handling vehicle as claimed in any of claims 2, 3 or 4, wherein the fork carriage (201) comprises several sets of fork arms (2011) arranged in a vertical direction, the fork arms (2011) in each set are arranged in an X-shaped cross, the fork arms (2011) are hinged through pins (2012), and the fork arms (2011) in two adjacent sets are hinged through hinge rods (2013).

6. The loading and unloading vehicle for the 3WL circuit breaker as claimed in claim 1, wherein a control switch (301) is arranged on the electric control box (3), and the control switch (301) is electrically connected with the controller.

7. A 3WL circuit breaker handling vehicle according to claim 1, wherein the rail abutment member (5) is aligned and mated with a mounting rail on the mounting platform when the load bearing platform (4) is flush with the mounting platform.

8. A 3WL breaker handling vehicle according to claim 1, wherein the braking mechanism is provided on the caster wheel (102) on the side of the handrail (6).