CN114105036B - A supplementary dismouting platform for transformer overhauls - Google Patents
A supplementary dismouting platform for transformer overhauls Download PDFInfo
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- CN114105036B CN114105036B CN202111347447.2A CN202111347447A CN114105036B CN 114105036 B CN114105036 B CN 114105036B CN 202111347447 A CN202111347447 A CN 202111347447A CN 114105036 B CN114105036 B CN 114105036B
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- lifting
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- platform
- lift
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/08—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement hydraulically or pneumatically operated
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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
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
- B66C1/125—Chain-type slings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/0625—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement with wheels for moving around the floor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
- B66F7/16—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
Abstract
The invention discloses an auxiliary dismounting platform for overhauling a transformer, which comprises a moving vehicle and a lifting mechanism arranged at the upper part of the moving vehicle, wherein moving wheels are arranged at the lower part of the moving vehicle, a supporting table surface is arranged at the upper part of the moving vehicle, the lifting mechanism comprises two groups of first lifting oil cylinders and two groups of second lifting oil cylinders, the two groups of first lifting oil cylinders are arranged at two ends of the supporting table surface, the two groups of second lifting oil cylinders are arranged between the two groups of first lifting oil cylinders, U-shaped brackets are arranged at the upper parts of piston rods of the first lifting oil cylinders and the second lifting oil cylinders, a hanging rail is clamped in the U-shaped brackets, a connecting plate is arranged in the middle of the hanging rail, hanging chains are arranged at two sides of the lower part of the connecting plate, hanging rings are arranged at the lower parts of the hanging chains, and the hanging rings are connected with two ends of the transformer. According to the invention, the lifting mechanism is arranged on the supporting table surface of the moving vehicle, and the two first lifting oil cylinders and the two second lifting oil cylinders on the lifting mechanism are matched with each other, so that the lifting mechanism crosses the cross beam in the process of dismounting the transformer, and long-distance transportation before and after dismounting the transformer is realized.
Description
Technical Field
The invention belongs to the technical field of transformer overhaul auxiliary tools, and particularly relates to an auxiliary dismounting platform for transformer overhaul.
Background
The transformer is the device that utilizes electromagnetic induction's principle to change alternating voltage, as shown in fig. 1, the transformer generally adopts the mode of post-mounted to install in the eminence, specifically, set up crossbeam 2 on two stand 1 upper portions, hoist transformer 3 to crossbeam 2 and fix, traditional transformer hoist and mount generally adopt hoist or crane, when some narrow outdoor places or indoor dismouting transformer, hoist or crane are inconvenient to get into, have brought great inconvenience for the dismouting of transformer.
Through retrieval, chinese utility model patent with publication number CN208054736U discloses a middle and small transformer installation in-place device, and specifically discloses the following characteristics: the lifting mechanism is hung on the lifting lugs, the support frame comprises an upper support, a lower support and a second electric telescopic mechanism, the upper support is connected with the lower support through the second electric telescopic mechanism, the two upper supports are respectively connected with the first bearing beam and the third bearing beam, and the walking mechanism is arranged on the lower support. Although the hoisting and dismounting operation of the transformer in a room can be realized, the transformer needs to be moved to the position near the upright post before hoisting, and the positioning device needs to span the cross beam in the figure 1 in advance; during disassembly, the transformer can only be placed near the stand column and then transferred, and certain limitation exists.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide an auxiliary disassembling and assembling platform for overhauling a transformer so as to overcome the defect that a positioning device cannot cross a beam when the transformer is disassembled and assembled.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides an auxiliary assembly and disassembly platform for transformer overhauls, includes the locomotive and sets up the lifting mechanism on locomotive upper portion, the locomotive lower part is equipped with the removal wheel for the removal of assembly and disassembly platform, locomotive upper portion is equipped with the support mesa, lifting mechanism includes two sets of first lift hydro-cylinders and two sets of second lift hydro-cylinders, and two sets of first lift hydro-cylinders set up at the both ends of supporting the mesa, and two sets of second lift hydro-cylinders set up between two sets of first lift hydro-cylinders, the piston rod upper portion of first lift hydro-cylinder and second lift hydro-cylinder all is equipped with U type bracket, and the centre gripping has the hanger rail in the U type bracket, the hanger rail middle part is equipped with the connecting plate, and connecting plate lower part both sides are equipped with the hanger chain, and the hanger chain lower part is equipped with rings, and rings are connected with the both ends of transformer.
As a further preferred option of the technical scheme, a fork frame is arranged on the lower portion of the supporting table top, a lifting cylinder is arranged on one side of the fork frame, a cylinder seat of the lifting cylinder is hinged to the bottom of a frame of the mobile vehicle, and a piston rod of the lifting cylinder is hinged to the fork frame, so that the mobile vehicle forms a hydraulic lifting vehicle, the first lifting cylinder and the second lifting cylinder can conveniently and integrally and rapidly lift, the lifting heights of the first lifting cylinder and the second lifting cylinder are increased, and the lifting cylinder is suitable for dismounting and mounting transformers of different specifications.
As a further optimization of the technical scheme, the hanger rail is made of I-shaped steel, the two sides of the upper portion of the connecting plate are connected with the connecting arms, the upper ends of the connecting arms are provided with pulleys, the pulleys are slidably mounted on the hanger rail, the pulleys are convenient for adjusting the position of the hanging chain, the oblique pulling phenomenon generated when the hanging chain is lifted is avoided, and the stability and the safety of transformer lifting are guaranteed.
As a further preferred option of the technical solution, guide grooves are formed in two sides of the upper portion of the supporting table, a sliding block (not shown in the figure) in sliding fit with the guide grooves is arranged on the lower portion of the second lifting oil cylinder, and the sliding block is installed inside the guide grooves with a clearance, so that the position of the second lifting oil cylinder is adjustable, the bearing position of the second lifting oil cylinder is adjusted, and the stability of the dismounting platform is convenient to adjust according to the lifting position of the transformer.
As a further preferred option of the technical scheme, a plurality of positioning holes are uniformly arranged on two sides of the lower portion of the hanger rail, positioning columns are arranged in the U-shaped bracket and are inserted into the positioning holes at intervals, the positioning columns and the positioning holes ensure the stability of the U-shaped bracket and the hanger rail support, and the transformer falling caused by the hanger rail sliding on the U-shaped bracket when the dismounting platform moves is avoided.
As a further optimization of the technical scheme, oblique angles are formed in the upper opening of the U-shaped bracket and the upper portion of the positioning column, so that the U-shaped bracket and the lifting rail can be conveniently and accurately butted.
As a further preference of the technical scheme, a bearing mechanism is arranged in the middle of the supporting table top and comprises a third lifting oil cylinder, and a bearing plate is connected to the upper end of a piston rod of the third lifting oil cylinder; when the transformer is disassembled, the third lifting oil cylinder is used for repeatedly lifting to enable the transformer to shake, so that the situation that fastening screws of the transformer are difficult to disassemble after being placed for a long time and rusted is avoided; when the transformer is installed, the third lifting oil cylinder is used for supporting the bottom of the transformer to slowly descend onto the cross beam, and the phenomenon that the cross beam is deformed or even damaged due to impact on the cross beam when the transformer descends is avoided.
As a further preference of the technical scheme, a base is arranged at the lower part of the third lifting oil cylinder, the lower part of the base is rotatably installed on a supporting table board through a rotating shaft, a connecting column is arranged on one side of the supporting table board, a fine-tuning oil cylinder is hinged to one side of the connecting column, and a piston rod of the fine-tuning oil cylinder is hinged to the upper surface of the base; the fine setting hydro-cylinder is used for the fine setting of transformer installation time position, the counterpoint of the bolt hole of being convenient for.
As a further optimization of the technical scheme, the two sides of the upper part of the bearing plate are provided with the clamping blocks, the lower part of the transformer is clamped between the two clamping blocks, and the clamping blocks prevent the bearing plate from slipping with the bottom of the transformer when the position of the transformer is finely adjusted.
As a further preference of the technical scheme, two sides of the upper part of the supporting plate are provided with kidney-shaped grooves, the lower parts of the clamping blocks are connected with adjusting screws, the lower parts of the adjusting screws penetrate through the kidney-shaped grooves and are connected with adjusting nuts, and the kidney-shaped grooves are convenient for adjusting the distance between the clamping blocks at two sides, so that the transformer supporting plate is suitable for transformers with different specifications.
The invention has the beneficial effects that:
1) According to the invention, the lifting mechanism is arranged on the supporting table surface of the moving vehicle, and the two first lifting oil cylinders and the two second lifting oil cylinders on the lifting mechanism are matched with each other, so that the lifting mechanism crosses the cross beam in the process of dismounting the transformer, and long-distance transportation before and after dismounting the transformer is realized.
2) The lower portion of the supporting platform is provided with the scissor rack, one side of the scissor rack is provided with the lifting oil cylinder, a cylinder seat of the lifting oil cylinder is hinged to the bottom of a frame of the moving vehicle, and a piston rod of the lifting oil cylinder is hinged to the scissor rack, so that the moving vehicle forms a hydraulic lifting vehicle, the first lifting oil cylinder and the second lifting oil cylinder can conveniently and integrally and quickly lift, the lifting heights of the first lifting oil cylinder and the second lifting oil cylinder are increased, and the lifting device is suitable for being used for dismounting transformers of different specifications.
3) The hanger rail is I-shaped steel, the two sides of the upper part of the connecting plate are connected with connecting arms, the upper ends of the connecting arms are provided with pulleys, the pulleys are slidably mounted on the hanger rail, the pulleys are convenient for adjusting the position of the hanging chain, the phenomenon of diagonal tension generated when the hanging chain is lifted is avoided, and the stability and the safety of transformer lifting are ensured.
4) Guide grooves are formed in two sides of the upper portion of the supporting table board, sliding blocks in sliding fit with the guide grooves are arranged on the lower portion of the second lifting oil cylinder, and the sliding blocks are installed inside the guide grooves in a clearance mode, so that the position of the second lifting oil cylinder is adjustable, the bearing position of the second lifting oil cylinder is adjusted, and the stability of the dismounting platform is convenient to adjust according to the lifting position of the transformer.
5) The two sides of the lower portion of the hanger rail are provided with a plurality of positioning holes which are evenly distributed, positioning columns are arranged in the U-shaped bracket, the positioning columns are inserted into the positioning holes in a clearance mode, the positioning columns and the positioning holes guarantee the stability of the U-shaped bracket and the hanger rail bearing, and the transformer falling caused by the fact that the hanger rail slides on the U-shaped bracket when the dismounting platform moves is avoided.
6) The upper opening of the U-shaped bracket and the upper part of the positioning column are both chamfered with oblique angles, so that the U-shaped bracket and the hanger rail can be conveniently and accurately butted.
7) The middle part of the supporting table surface is provided with a bearing mechanism, the bearing mechanism comprises a third lifting oil cylinder, and the upper end of a piston rod of the third lifting oil cylinder is connected with a bearing plate; when the transformer is disassembled, the third lifting oil cylinder is used for repeatedly lifting to enable the transformer to shake, so that the situation that fastening screws of the transformer are difficult to disassemble after being placed for a long time and rusted is avoided; when the transformer is installed, the third lifting oil cylinder is used for supporting the bottom of the transformer to slowly descend to the cross beam, and the phenomenon that the cross beam is deformed or even damaged due to impact on the cross beam when the transformer descends is avoided.
8) A base is arranged at the lower part of the third lifting oil cylinder, the lower part of the base is rotatably arranged on a supporting table board through a rotating shaft, a connecting column is arranged on one side of the supporting table board, a fine-tuning oil cylinder is hinged to one side of the connecting column, and a piston rod of the fine-tuning oil cylinder is hinged to the upper surface of the base; the fine setting hydro-cylinder is used for the fine setting of transformer installation time position, the counterpoint of the bolt hole of being convenient for.
9) The two sides of the upper part of the bearing plate are provided with clamping blocks, the lower part of the transformer is clamped between the two clamping blocks, and the clamping blocks prevent the bearing plate from slipping with the bottom of the transformer when the position of the transformer is finely adjusted.
10 Kidney-shaped grooves are arranged on two sides of the upper part of the supporting plate, the lower parts of the clamping blocks are connected with adjusting screws, the lower parts of the adjusting screws penetrate through the kidney-shaped grooves and are connected with adjusting nuts, and the kidney-shaped grooves are convenient for adjusting the distance between the clamping blocks on two sides, so that the supporting plate is suitable for transformers of different specifications.
Drawings
Fig. 1 is a schematic view of a transformer in an installed state.
FIG. 2 is a using state diagram of an auxiliary dismounting platform for transformer maintenance according to the present invention.
FIG. 3 is a schematic structural view of an auxiliary dismounting platform for transformer maintenance according to the present invention.
Fig. 4 is an exploded view of a hanger rail and a U-shaped bracket in an auxiliary dismounting platform for transformer maintenance according to the present invention.
FIG. 5 is a schematic diagram of a chain sling structure in an auxiliary dismounting platform for transformer maintenance according to the present invention.
FIG. 6 is a schematic structural view of a supporting mechanism in an auxiliary dismounting platform for transformer maintenance.
FIG. 7 is a schematic structural diagram of a supporting plate in an auxiliary dismounting and mounting platform for transformer maintenance.
In the figure: 1. a column; 2. a cross beam; 3. a transformer; 4. a mobile vehicle; 401. a moving wheel; 402. supporting the table top; 403. a fork shearing frame; 404. a lift cylinder; 5. a lifting mechanism; 501. a first lift cylinder; 502. a second lift cylinder; 503. a U-shaped bracket; 504. a guide groove; 505. a positioning column; 6. hoisting a rail; 601. positioning holes; 602. a hoist chain; 603. a hoisting ring; 604. a connecting plate; 605. a pulley; 606. a connecting arm; 7. a support mechanism; 701. a base; 702. a rotating shaft; 703. a third lifting cylinder; 704. a support plate; 705. a kidney-shaped groove; 706. a clamping block; 707. adjusting the screw rod; 708. adjusting the nut; 709. finely adjusting the oil cylinder; 710. connecting columns.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 7, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used for convenience of description only, and do not indicate or imply that the devices or elements referred to must have a specific orientation, a specific orientation configuration and operation, and thus, are not to be construed as limiting the present invention.
As shown in fig. 2-3, an auxiliary dismounting platform for transformer maintenance comprises a moving vehicle 4 and a lifting mechanism 5 arranged on the upper portion of the moving vehicle 4, wherein moving wheels 401 are arranged on the lower portion of the moving vehicle 4 for moving the dismounting platform, a supporting table 402 is arranged on the upper portion of the moving vehicle 4, the lifting mechanism 5 comprises two sets of first lifting cylinders 501 and two sets of second lifting cylinders 502, the two sets of first lifting cylinders 501 are arranged at two ends of the supporting table 402, the two sets of second lifting cylinders 502 are arranged between the two sets of first lifting cylinders 501, the upper portions of piston rods of the first lifting cylinders 501 and the second lifting cylinders 502 are respectively provided with a U-shaped bracket 503, a hanging rail 6 is clamped in the U-shaped bracket 503, the middle portion of the hanging rail 6 is provided with a connecting plate 604, two sides of the lower portion of the connecting plate 604 are provided with hanging chains 602, the lower portion of the hanging chains 602 is provided with hanging rings 603, and the hanging rings 603 are connected with two ends of a transformer 3.
As shown in fig. 2-3, in this embodiment, a fork shearing frame 403 is disposed at a lower portion of the supporting platform 402, a lift cylinder 404 is disposed at one side of the fork shearing frame 403, a cylinder base of the lift cylinder 404 is hinged to a bottom of a frame of the mobile cart 4, and a piston rod of the lift cylinder 404 is hinged to the fork shearing frame 403, so that the mobile cart 4 forms a hydraulic lift truck, which facilitates rapid lifting of the first lift cylinder 501 and the second lift cylinder 502 as a whole, and enlarges lifting heights of the first lift cylinder 501 and the second lift cylinder 502, thereby being suitable for dismounting and mounting transformers 3 of different specifications.
As shown in fig. 4-5, in this embodiment, the hanger rail 6 is an i-steel, the connecting arms 606 are connected to two sides of the upper portion of the connecting plate 604, the upper end of the connecting arm 606 is provided with a pulley 605, the pulley 605 is slidably mounted on the hanger rail 6, the pulley 605 facilitates adjusting the position of the hanger chain 602, avoids a diagonal pulling phenomenon when the hanger chain 602 is lifted, and ensures the stability and safety of lifting the transformer 3.
As shown in fig. 3, in this embodiment, two sides of the upper portion of the supporting platform 402 are provided with guide grooves 504, the lower portion of the second lifting cylinder 502 is provided with a sliding block (not shown) slidably fitted with the guide grooves 504, and the sliding block is installed inside the guide grooves 504 with a gap, so that the position of the second lifting cylinder 502 is adjustable, the bearing position of the second lifting cylinder 502 is adjusted, and the stability of the dismounting platform is convenient to adjust according to the lifting position of the transformer 3.
As shown in fig. 4, in the present embodiment, a plurality of positioning holes 601 are uniformly arranged on two sides of the lower portion of the hanging rail 6, a positioning column 505 is arranged in the U-shaped bracket 503, the positioning column 505 is inserted into the positioning hole 601 with a clearance, and the positioning column 505 and the positioning hole 601 ensure the stability of the U-shaped bracket 503 and the hanging rail 6, so as to prevent the hanging rail 6 from sliding on the U-shaped bracket 503 to cause the transformer 3 to fall when the dismounting platform moves.
As shown in fig. 4, in the present embodiment, the upper opening of the U-shaped bracket 503 and the upper portion of the positioning pillar 505 are both chamfered, so that the U-shaped bracket 503 can be quickly and accurately butted against the hanging rail 6.
As shown in fig. 2-3 and fig. 6, in this embodiment, a supporting mechanism 7 is disposed in the middle of the supporting platform 402, the supporting mechanism 7 includes a third lift cylinder 703, and a supporting plate 704 is connected to an upper end of a piston rod of the third lift cylinder 703; when the transformer 3 is disassembled, the third lifting oil cylinder 703 is used for repeatedly lifting to enable the transformer 3 to shake, so that the situation that fastening screws of the transformer 3 are difficult to disassemble after being placed for a long time and rusted is avoided; when the transformer 3 is installed, the third lifting oil cylinder 703 is used for supporting the bottom of the transformer 3 to slowly fall onto the beam 2, so that the beam 2 is prevented from being deformed or even damaged due to impact on the beam 2 when the transformer 3 falls.
As shown in fig. 6, in this embodiment, a base 701 is disposed at a lower portion of the third lifting cylinder 703, the lower portion of the base 701 is rotatably mounted on the supporting table 402 through a rotating shaft 702, a connecting column 710 is disposed at one side of the supporting table 402, a fine tuning cylinder 709 is hinged at one side of the connecting column 710, and a piston rod of the fine tuning cylinder 709 is hinged with an upper surface of the base 701; the fine tuning oil cylinder 709 is used for fine tuning of the position of the transformer 3 during installation, and alignment of the bolt holes is facilitated.
As shown in fig. 6-7, in the present embodiment, two sides of the upper portion of the supporting plate 704 are provided with a fixture block 706, the lower portion of the transformer 3 is clamped between the two fixture blocks 706, and the fixture blocks 706 prevent the supporting plate 704 and the bottom of the transformer 3 from slipping when the position of the transformer 3 is fine-tuned.
As shown in fig. 7, in the present embodiment, two sides of the upper portion of the supporting plate 704 are provided with a kidney-shaped groove 705, the lower portion of the fastening block 706 is connected with an adjusting screw 707, the lower portion of the adjusting screw 707 penetrates through the kidney-shaped groove 705 and is connected with an adjusting nut 708, and the kidney-shaped groove 705 facilitates adjusting the distance between the fastening blocks 706 at two sides, so as to adapt to transformers 3 with different specifications.
When the transformer 3 is installed, firstly, the transformer 3 is placed on a supporting table 402 of the moving vehicle 4, the transformer 3 is hoisted by using a hoisting chain 602, the moving vehicle 4 is moved to one side of the upright post 1, then piston rods of the first lifting oil cylinder 501 and the second lifting oil cylinder 502 are extended, the bottom of the transformer 3 is higher than the cross beam 2, then the piston rod of the first lifting oil cylinder 501 on the right side is dropped, at the moment, the hoisting rail 6 is supported by the first lifting oil cylinder 501 and the two second lifting oil cylinders 502 on the left side, after the moving vehicle 4 is moved to a position penetrating through the first lifting oil cylinder 501 on the right side, the piston rod of the first lifting oil cylinder 501 on the right side is extended, so that the U-shaped bracket 503 on the upper end of the piston rod supports the hoisting rail 6, at the second lifting oil cylinder 502 on the right side is contracted, at the moment, the hoisting rail 6 is supported by the two first lifting oil cylinders 501 and the second lifting oil cylinder 502 on the left side, and after the moving vehicle 4 is moved to a position penetrating through the second lifting oil cylinder 502 on the right side, the second lifting oil cylinder 502, the piston rod 502 on the right side is extended, at the same time, and the two first lifting oil cylinders 501 and the two lifting oil cylinders 502 are used for supporting the hoisting oil cylinders 502; and continuously moving the moving vehicle 4 to move the transformer 3 to the upper part of the cross beam 2, approximately aligning the bolt hole of the transformer 3 with the bolt hole of the cross beam 2, extending the third lifting oil cylinder 703 to enable the bearing plate 704 to support the bottom of the transformer 3, enabling the clamping blocks 706 on two sides of the bearing plate 704 to be clamped on two sides of the transformer 3, and controlling the fine tuning oil cylinder 709 to stretch and retract to enable the bearing plate 704 to rotate in the process of slowly descending the transformer 3, so that the bolt hole of the transformer 3 is accurately aligned with the bolt hole of the cross beam 2, and the installation of the transformer 3 is completed.
When the transformer 3 is disassembled, the movable trolley 4 is firstly moved to the lower part of the cross beam 2 according to the sequence, the connecting bolt of the transformer 3 and the cross beam 2 is disassembled after the lifting chain 602 is connected with the transformer 3, in the process, in order to facilitate the disassembly of the connecting bolt, the transformer 3 can be repeatedly lifted by the third lifting oil cylinder 703 to generate micro motion, after the transformer 3 is disassembled, the transformer 3 is lifted by the lifting mechanism 5, the movable trolley 4 moves leftwards, the second lifting oil cylinder 502 and the first lifting oil cylinder 501 on the right side are successively retracted to enable the piston rod of the second lifting oil cylinder to cross the cross beam 2, in the process, three supporting points are always arranged on the lower part of the hanger rail 6 to ensure the stability of the lifting of the transformer 3. After the transformer 3 is disassembled, the transformer 3 is transported to a designated position by using the moving vehicle 4.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the present invention as defined in the accompanying claims.
Claims (10)
1. The utility model provides an auxiliary assembly and disassembly platform for transformer overhauls, includes the locomotive and sets up the lifting mechanism on locomotive upper portion, the locomotive lower part is equipped with the removal wheel, and locomotive upper portion is equipped with the support mesa, its characterized in that, lifting mechanism includes two sets of first lift hydro-cylinders and two sets of second lift hydro-cylinders, and two sets of first lift hydro-cylinders set up at the both ends that support the mesa, and two sets of second lift hydro-cylinders set up between two sets of first lift hydro-cylinders, the piston rod upper portion of first lift hydro-cylinder and second lift hydro-cylinder all is equipped with U type bracket, and the clamp has the hanger rail in the U type bracket, the hanger rail middle part is equipped with the connecting plate, and connecting plate lower part both sides are equipped with the hanger chain, and the hanger chain lower part is equipped with rings, and rings are connected with the both ends of transformer.
2. The auxiliary dismounting platform for transformer overhaul according to claim 1, wherein a fork frame is arranged at the lower part of the supporting platform, a lift cylinder is arranged at one side of the fork frame, a cylinder base of the lift cylinder is hinged with the bottom of the frame of the mobile vehicle, and a piston rod of the lift cylinder is hinged with the fork frame.
3. The auxiliary dismounting platform for overhauling the transformer as claimed in claim 1, wherein the hanger rail is an I-steel, connecting arms are connected to two sides of the upper part of the connecting plate, pulleys are arranged at the upper ends of the connecting arms, and the pulleys are slidably mounted on the hanger rail.
4. The auxiliary dismounting platform for overhauling the transformer according to claim 3, wherein two sides of the upper part of the supporting platform are provided with guide grooves, the lower part of the second lifting oil cylinder is provided with a sliding block in sliding fit with the guide grooves, and the sliding block is installed inside the guide grooves in a clearance manner.
5. The auxiliary dismounting and mounting platform for overhauling the transformer as claimed in claim 4, wherein a plurality of positioning holes are uniformly arranged at two sides of the lower part of the hanger rail, positioning posts are arranged in the U-shaped bracket, and the positioning posts are inserted into the positioning holes with gaps.
6. The auxiliary dismounting and mounting platform for transformer overhaul as claimed in claim 5, wherein the upper opening of the U-shaped bracket and the upper part of the positioning column are chamfered.
7. The auxiliary dismounting platform for overhauling transformers according to any one of claims 1 to 6, wherein a supporting mechanism is arranged in the middle of the supporting table top, the supporting mechanism comprises a third lifting cylinder, and a supporting plate is connected to the upper end of a piston rod of the third lifting cylinder.
8. The auxiliary dismounting platform for overhauling the transformer according to claim 7, wherein a base is arranged at the lower part of the third lifting oil cylinder, the lower part of the base is rotatably arranged on a supporting table top through a rotating shaft, a connecting column is arranged at one side of the supporting table top, a fine adjustment oil cylinder is hinged to one side of the connecting column, and a piston rod of the fine adjustment oil cylinder is hinged to the upper surface of the base.
9. The auxiliary dismounting platform for overhauling of the transformer as claimed in claim 8, wherein the two sides of the upper part of the supporting plate are provided with clamping blocks, and the lower part of the transformer is clamped between the two clamping blocks.
10. The auxiliary dismounting and mounting platform for overhauling the transformer as claimed in claim 9, wherein two sides of the upper part of the supporting plate are provided with a kidney-shaped groove, the lower part of the clamping block is connected with an adjusting screw, and the lower part of the adjusting screw penetrates through the kidney-shaped groove and is connected with an adjusting nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111347447.2A CN114105036B (en) | 2021-11-15 | 2021-11-15 | A supplementary dismouting platform for transformer overhauls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111347447.2A CN114105036B (en) | 2021-11-15 | 2021-11-15 | A supplementary dismouting platform for transformer overhauls |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114105036A CN114105036A (en) | 2022-03-01 |
| CN114105036B true CN114105036B (en) | 2023-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111347447.2A Active CN114105036B (en) | 2021-11-15 | 2021-11-15 | A supplementary dismouting platform for transformer overhauls |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| DE10247827A1 (en) * | 2001-10-13 | 2003-05-15 | Betonbau Gmbh | Transformer station has base plate and walls carried by base plate monolithically made of concrete as transformer stand with transformer rails associated with upper edges of trough |
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| CN204125118U (en) * | 2014-08-28 | 2015-01-28 | 重庆利国电气设备制造有限公司 | Oil-immersed type non-crystal alloy transformer assembly support |
| CN204661163U (en) * | 2015-06-02 | 2015-09-23 | 国家电网公司 | A kind of Multifunction transformer sleeve pipe lifting support |
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| CN210926835U (en) * | 2019-12-31 | 2020-07-03 | 河北凯强建筑安装工程有限公司 | Auxiliary mounting bracket for electric power engineering |
| CN211404229U (en) * | 2020-04-01 | 2020-09-01 | 东莞理工学院 | Power supply equipment capable of reducing line loss and voltage conversion loss |
| CN113284703A (en) * | 2021-04-21 | 2021-08-20 | 国网山东省电力公司东明县供电公司 | Transformer rack erection equipment |
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2021
- 2021-11-15 CN CN202111347447.2A patent/CN114105036B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10139385A (en) * | 1996-11-11 | 1998-05-26 | Hiroshi Matoba | Hoisting swiveling device |
| DE10247827A1 (en) * | 2001-10-13 | 2003-05-15 | Betonbau Gmbh | Transformer station has base plate and walls carried by base plate monolithically made of concrete as transformer stand with transformer rails associated with upper edges of trough |
| CN101643187A (en) * | 2008-04-15 | 2010-02-10 | 孙蒙 | Multipurpose loading and lifting work platform or/and combined bridge structure |
| CN204125118U (en) * | 2014-08-28 | 2015-01-28 | 重庆利国电气设备制造有限公司 | Oil-immersed type non-crystal alloy transformer assembly support |
| CN204661163U (en) * | 2015-06-02 | 2015-09-23 | 国家电网公司 | A kind of Multifunction transformer sleeve pipe lifting support |
| CN111038940A (en) * | 2019-12-02 | 2020-04-21 | 上海市政工程设计研究总院（集团）有限公司 | Rail mounted is used for hoist and mount traction system of transportation |
| CN210926835U (en) * | 2019-12-31 | 2020-07-03 | 河北凯强建筑安装工程有限公司 | Auxiliary mounting bracket for electric power engineering |
| CN211404229U (en) * | 2020-04-01 | 2020-09-01 | 东莞理工学院 | Power supply equipment capable of reducing line loss and voltage conversion loss |
| CN113284703A (en) * | 2021-04-21 | 2021-08-20 | 国网山东省电力公司东明县供电公司 | Transformer rack erection equipment |
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| Publication number | Publication date |
|---|---|
| CN114105036A (en) | 2022-03-01 |
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