CN113955679B

CN113955679B - Transformer hoist device for electric power construction

Info

Publication number: CN113955679B
Application number: CN202111248365.2A
Authority: CN
Inventors: 李同; 张磊; 王月清; 谭西章; 颜磊; 李涛; 张登建; 姜姝涵; 张翀
Original assignee: State Grid Corp of China SGCC; Jinan Power Supply Co of State Grid Shandong Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; Jinan Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2023-02-28
Anticipated expiration: 2041-10-26
Also published as: CN113955679A

Abstract

The invention discloses a transformer hoisting device for power construction, which comprises a base, wherein an upright rod is installed on the base, a lifting mechanism is installed on the upright rod, a position adjusting mechanism is installed on the lifting mechanism, and a clamping mechanism is installed on the position adjusting mechanism. The device can be operated in a narrow space, can replace manual hoisting, reduces the labor intensity of workers, improves the working efficiency, and ensures the safety in the process of hoisting the transformer by clamping and fixing the transformer through the clamping mechanism.

Description

Transformer hoist device for electric power construction

Technical Field

The invention belongs to the technical field of transformer installation, and particularly relates to a transformer hoisting device for power construction.

Background

The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and the main components are a primary coil, a secondary coil and an iron core (magnetic core), and the main functions of the transformer are voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer) and the like. Because the transformer is heavier in weight, the transformer is hoisted by a crane in the current installation process, however, when the space is narrow, the crane cannot enter the transformer and can only be hoisted manually, so that the labor intensity of workers is high, the working efficiency is low, the transformer is not firmly fixed in the hoisting process, and the transformer falls off, so that high safety risk exists.

Disclosure of Invention

The transformer hoisting device for power construction can be operated in a narrow space, can replace manual hoisting, reduces the labor intensity of workers, improves the working efficiency, and ensures the safety of the transformer in the hoisting process by clamping and fixing the transformer through the clamping mechanism.

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides a transformer hoist device for electric power construction, includes the base, install the pole setting on the base, install elevating system in the pole setting, elevating system includes L template, T type frame, hoist engine, first motor, L template quantity is two and the symmetry is installed in the pole setting, and the axis symmetry installation stand about the pole setting between two L templates, T type frame is installed between two stands, the both sides at both ends are rotated through the connecting axle about the T type frame and are installed first gyro wheel, T type frame top is rotated through the connecting axle and is installed the second gyro wheel, first gyro wheel one side and stand butt, opposite side and pole setting butt, second gyro wheel and stand butt, the top in the pole setting is installed to the hoist engine, one side at the hoist engine is installed to first motor is used for driving the hoist engine work, wire rope on the hoist engine passes one of them L template and is connected with T type frame.

Install position control mechanism on the elevating system, position control mechanism includes backup pad, bracing piece, second motor, worm wheel, support frame, box, third motor, lead screw, the backup pad is installed on T type frame, the bracing piece is installed in the backup pad and is kept away from one side of T type frame, two L type poles are installed to bracing piece one side, the worm rotates and installs between two L type poles, the second motor is installed on one of them L type pole, and the output shaft and the worm one end of second motor are connected, the worm wheel sets up in one side of worm and is connected with the worm meshing, the tip of bracing piece is rotated and is installed the pivot, worm wheel fixed mounting is in the pivot, the bottom at the below of worm wheel, pivot is installed to the support frame, the box is installed in support frame bottom one side, the lead screw rotates the inside of installing at the box, the slider is installed to the screw thread on the lead screw, logical groove has been seted up to box one side, the tip of slider extends to the outside that leads to the groove, third motor installation box one side and the output shaft are connected with lead screw one end.

The clamping mechanism is installed on the position adjusting mechanism and comprises a vertical plate, a fourth motor, a first gear and a second gear, the vertical plate is installed on a sliding block, the fourth motor is installed on one side of the top of the vertical plate, an output shaft of the fourth motor penetrates through the vertical plate and extends to the other side of the vertical plate, the first gear and the second gear are installed on an output shaft of the fourth motor, a supporting shaft is installed below the first gear and the second gear and on the vertical plate, the supporting shaft and the output shaft of the fourth motor are on the same straight line, a first shaft sleeve and a second shaft sleeve are sleeved on the periphery of the supporting shaft, a first half gear ring is meshed above the first gear and connected with the second shaft sleeve through a connecting rod, a second half gear ring is meshed below the second gear and connected with the first shaft sleeve through a connecting rod, a second arc-shaped rod is installed on the first shaft sleeve, a first arc-shaped rod is installed on the second shaft sleeve, the first arc-shaped rod and the second arc-shaped rod are symmetrical, and clamping blocks are installed at the end portions of the first arc-shaped rod and the second arc-shaped rod.

The base bottom both sides are seted up the recess, recess internally mounted has fixed establishment, fixed establishment includes loading board, fixed plate, the loading board is installed on the recess inside wall, first support is installed to loading board top one side, install the second support on one side of first support, the loading board, seted up the through-hole on the loading board of second support one side, it has first telescopic link to articulate on the first support, it has the second telescopic link to articulate on the second support, the tip at the expansion end of second telescopic link is installed to the fixed plate, the expansion end of first telescopic link is articulated with the fixed end of second telescopic link.

Preferably, a U-shaped frame is installed on one side above the through hole, two baffles are hinged to the inner side of the through hole, and the baffles are hinged to the U-shaped frame through a third telescopic rod.

Preferably, walking wheels are installed on two sides of the bottom of the base, and an armrest frame is installed on one side of the base.

The invention has the beneficial effects that:

1) This device can replace artifical hoist and mount at the narrow and small place operation in space, has reduced workman intensity of labour, has improved work efficiency, presss from both sides tight fixedly to the transformer through clamping mechanism, has guaranteed the security at transformer hoist and mount in-process.

2) The angle can be adjusted and the position can be adjusted through the position adjusting mechanism, so that the transformers at different positions can be hoisted, the position of the transformers does not need to be adjusted, and the working efficiency is improved.

3) The second arc-shaped rod is driven by the first shaft sleeve, the first arc-shaped rod is driven by the second shaft sleeve to move in the opposite direction to rotate around the supporting shaft, so that the two clamping blocks are away from each other, when the distance between the two clamping blocks is larger than the width of the transformer, the fourth motor moves in the opposite direction to clamp the transformer, the transformer is hoisted under the action of the lifting mechanism, and the safety in the hoisting process of the transformer is guaranteed.

4) Drive the second telescopic link through first telescopic link work extension and rotate 90 along the second support, make second telescopic link and ground perpendicular, second telescopic link work extension drives fixed plate and ground contact, fixes whole device, prevents the phenomenon of moving about to appear in the course of the work, has guaranteed the stability of during operation.

5) The baffle is driven to rotate along the side wall of the through hole through the extension of the third telescopic rod, the through hole is opened, the whole device is fixed through the fixing plate, the cleanness inside the through hole is guaranteed through the baffle, and the normal work of the fixing mechanism is facilitated.

6) The walking wheels are convenient for moving the whole device, and the armrest frame is convenient for holding the device and moving the pushing device.

Drawings

FIG. 1 is a schematic structural view of a transformer hoisting device for power construction.

FIG. 2 is a schematic diagram of the bottom structure of a transformer hoisting device for power construction.

FIG. 3 is a schematic structural diagram of a lifting mechanism in the transformer hoisting device for power construction.

FIG. 4 is a schematic structural diagram of a T-shaped frame in the transformer hoisting device for power construction.

FIG. 5 is a schematic structural diagram of a position adjusting mechanism in the transformer hoisting device for power construction.

FIG. 6 is a schematic structural diagram of a clamping mechanism in the transformer hoisting device for power construction.

FIG. 7 is a schematic structural diagram of a fixing mechanism in the transformer hoisting device for power construction.

In the figure: 1. a base; 2. erecting a rod; 3. a lifting mechanism; 301. an L-shaped plate; 302. a column; 303. a T-shaped frame; 304. a first roller; 305. a second roller; 306. a winch; 307. a first motor; 4. a position adjustment mechanism; 401. a support plate; 402. a support bar; 403. an L-shaped rod; 404. a rotating shaft; 405. a second motor; 406. a worm; 407. a worm gear; 408. a support frame; 409. a box body; 410. a third motor; 411. a lead screw; 412. a slider; 5. a clamping mechanism; 501. a vertical plate; 502. a fourth motor; 503. a first gear; 504. a second gear; 505. a first half ring gear; 506. a second half ring gear; 507. a support shaft; 508. a first bushing; 509. a second shaft sleeve; 510. a first arcuate bar; 511. a second arc-shaped rod; 512. a clamping block; 6. a fixing mechanism; 601. a carrier plate; 602. a U-shaped frame; 603. a first support; 604. a second support; 605. a first telescopic rod; 606. a second telescopic rod; 607. a fixing plate; 608. a third telescopic rod; 609. a baffle plate; 7. a traveling wheel; 8. an armrest frame.

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, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

A transformer hoisting device for power construction comprises a base 1, wherein an upright rod 2 is installed on the base 1, a lifting mechanism 3 is installed on the upright rod 2, the lifting mechanism 3 comprises L-shaped plates 301, T-shaped frames 303, a winch 306 and a first motor 307, the L-shaped plates 301 are symmetrically installed on the upright rod 2, the upright rods 302 are symmetrically installed between the two L-shaped plates 301 about the axis of the upright rod 2, the T-shaped frames 303 are installed between the two upright rods 302, first rollers 304 are rotatably installed on two sides of the upper end and the lower end of each T-shaped frame 303 through a connecting shaft, a second roller 305 is rotatably installed on the top of each T-shaped frame 303 through the connecting shaft, one side of each first roller 304 is abutted against the upright rod 302, the other side of each first roller is abutted against the upright rod 2, the second rollers 305 are abutted against the upright rods 302, the winch 306 is installed on the top of the upright rod 2, the first motor 307 is installed on one side of the winch 306 and used for driving the winch 306 to work, a steel wire rope on the winch 306 penetrates through one of the L-shaped frame 301 and is connected with the T-shaped frames 303, the first motor 307 or the winch 306 is driven to adjust the position of the T-shaped rollers 304 to lift the transformer hoisting along the upright rods 302 up and down.

The lifting mechanism 3 is provided with a position adjusting mechanism 4, the position adjusting mechanism 4 comprises a support plate 401, a support rod 402, a second motor 405, a worm 406, a worm wheel 407, a support frame 408, a box 409, a third motor 410 and a lead screw 411, the support plate 401 is arranged on the T-shaped frame 303, the support rod 402 is arranged on one side of the support plate 401 far away from the T-shaped frame 303, two L-shaped rods 403 are arranged on one side of the support rod 402, the worm 406 is rotatably arranged between the two L-shaped rods 403, the second motor 405 is arranged on one L-shaped rod 403, an output shaft of the second motor 405 is connected with one end of the worm 406, the worm wheel 407 is arranged on one side of the worm 406 and is meshed with the worm 406, a rotating shaft 404 is rotatably arranged at the end part of the support rod 402, and the worm wheel 407 is fixedly arranged on the rotating shaft 404, the bottom at worm wheel 407's below, pivot 404 is installed to support frame 408, box 409 is installed in support frame 408 bottom one side, lead screw 411 rotates the inside of installing at box 409, slider 412 is installed to the last screw thread of lead screw 411, logical groove has been seted up to box 409 one side, the tip of slider 412 extends to the outside that leads to the groove, third motor 410 installs box 409 one side and output shaft and lead screw 411 one end is connected, and second motor 405 work drives worm 406 and rotates along L type pole 403, and worm 406 is connected with worm wheel 407 meshing and drives pivot 404 and rotate along bracing piece 402, and support frame 408 rotates along with pivot 404, carries out the regulation of angle, and third motor 410 work drives lead screw 411 and rotates inside box 409, thereby slider 412 and lead screw 411 threaded connection realize carrying out position control along lead screw 411 to the transformer of different positions hoists. The position of the transformer is adjusted through the position adjusting mechanism 4, so that the transformer is convenient to mount, and the working efficiency is improved.

The position adjusting mechanism 4 is provided with a clamping mechanism 5, the clamping mechanism 5 comprises an upright plate 501, a fourth motor 502, a first gear 503 and a second gear 504, the upright plate 501 is mounted on a sliding block 412, the fourth motor 502 is mounted on one side of the top of the upright plate 501, an output shaft of the fourth motor 502 penetrates through the upright plate 501 and extends to the other side of the upright plate 501, the first gear 503 and the second gear 504 are mounted on an output shaft of the fourth motor 502, a support shaft 507 is mounted below the first gear 503 and the second gear 504 and on the upright plate 501, the support shaft 507 and the output shaft of the fourth motor 502 are on the same straight line, a first shaft sleeve 508 and a second shaft sleeve 509 are sleeved on the periphery of the support shaft 507, a first half gear ring 505 is engaged with the upper part of the first gear 503, and the first half gear ring 509 is connected with the second shaft sleeve by a connecting rod, a second half gear ring 506 is externally engaged below the second gear 504, the second half gear ring 506 is connected with a first shaft sleeve 508 through a connecting rod, a second arc-shaped rod 511 is installed on the first shaft sleeve 508, a first arc-shaped rod 510 is installed on a second shaft sleeve 509, the first arc-shaped rod 510 and the second arc-shaped rod 511 are symmetrical about a support shaft 507, clamping blocks 512 are installed at the end parts of the first arc-shaped rod 510 and the second arc-shaped rod 511, the transformer is clamped and fixed through the clamping blocks 512, the first gear 503 and the second gear 504 are driven to rotate simultaneously through the work of a fourth motor 502, the first gear 503 is internally engaged with the first half gear ring 505, the second gear 504 is externally engaged with the second half gear ring 506, so that the first half gear ring 505 and the second half gear ring 506 move in opposite directions, the second arc-shaped rod 511 is driven by the first shaft sleeve 508, the second shaft sleeve 509 drives the first arc-shaped rod 510 to move in opposite directions to rotate around the support shaft 507, and the two clamping blocks 512 are far away from each other, when the distance between the two clamping blocks 512 is greater than the width of the transformer, the fourth motor 502 moves in the opposite direction to clamp the transformer, the transformer is hoisted under the action of the lifting mechanism 3, the safety of the transformer in the hoisting process is ensured, and the transformer is clamped and fixed through the clamping mechanism 5, so that the safety of the transformer in the hoisting process is ensured.

The base is characterized in that grooves are formed in two sides of the bottom of the base 1, a fixing mechanism 6 is arranged in each groove, each fixing mechanism 6 comprises a bearing plate 601 and a fixing plate 607, each bearing plate 601 is arranged on the inner side wall of each groove, a first support 603 is arranged on one side of the top of each bearing plate 601, a second support 604 is arranged on one side of each first support 603 and each bearing plate 601, a through hole is formed in each bearing plate 601 on one side of each second support 604, a first telescopic rod 605 is hinged to each first support 603, a second telescopic rod 606 is hinged to each second support 604, each fixing plate 607 is arranged at the end of the movable end of each second telescopic rod 606, the movable end of each first telescopic rod 605 is hinged to the fixed end of each second telescopic rod 606, the second telescopic rods 606 are driven to rotate for 90 degrees along the second supports 604 through the working extension of the first telescopic rods 605, make second telescopic link 606 and ground perpendicular, second telescopic link 606 work extension drives fixed plate 607 and ground contact, fixes whole device, prevents the activity phenomenon that appears in the course of the work, has guaranteed the stability of during operation, U type frame 602 is installed to through-hole top one side, the through-hole inboard articulates there are two baffles 609, baffle 609 is articulated through third telescopic link 608 with U type frame 602, when the device is out of work, third telescopic link 608 drives baffle 609 and moves and seals the through-hole, prevents that outside debris from getting into inside the through-hole, and when the device is worked, third telescopic link 608 extension drives baffle 609 and rotates along the through-hole lateral wall, opens the through-hole, fixes whole device through fixed plate 607, has guaranteed the inside cleanness of through-hole through baffle 609, is favorable to fixed establishment 6's normal work.

Walking wheels 7 are installed on two sides of the bottom of the base 1, so that the whole device can be conveniently moved, a handrail frame 8 is installed on one side of the base 1, and the device can be conveniently held and the pushing device can be conveniently moved.

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

1. A transformer hoisting device for electric power construction comprises a base and is characterized in that a vertical rod is mounted on the base, a lifting mechanism is mounted on the vertical rod, a position adjusting mechanism is mounted on the lifting mechanism, a clamping mechanism is mounted on the position adjusting mechanism and comprises a vertical plate, a fourth motor, a first gear and a second gear, the vertical plate is mounted on a sliding block, the fourth motor is mounted on one side of the top of the vertical plate, an output shaft of the fourth motor penetrates through the vertical plate and extends to the other side of the vertical plate, the first gear and the second gear are mounted on an output shaft of the fourth motor, supporting shafts are mounted below the first gear and the second gear and on the vertical plate, the supporting shafts and the output shaft of the fourth motor are on the same straight line, a first shaft sleeve and a second shaft sleeve are sleeved on the periphery of the supporting shafts, a first half gear ring is meshed with the first gear above the first gear, the first half gear ring is connected with the second shaft sleeve through a connecting rod, a second half gear ring is meshed with the second gear outside the lower portion of the second gear, the second half gear ring is connected with the first shaft sleeve through a connecting rod, a second arc rod is mounted on the first shaft sleeve, the second shaft sleeve, the first arc rod and the end portion of the second half gear is symmetrically mounted on the end portion of the clamping block;

the recess is seted up to base bottom both sides, recess internally mounted has fixed establishment, fixed establishment includes loading board, fixed plate, the loading board is installed on the recess inside wall, first support is installed to loading board top one side, install the second support on one side of first support, the loading board, seted up the through-hole on the loading board of second support one side, it has first telescopic link to articulate on the first support, it has the second telescopic link to articulate on the second support, the tip at the expansion end of second telescopic link is installed to the fixed plate, the expansion end of first telescopic link is articulated with the fixed end of second telescopic link.

2. The transformer hoisting device for power construction as claimed in claim 1, wherein the lifting mechanism comprises two L-shaped plates, a T-shaped frame, a hoist and a first motor, the two L-shaped plates are symmetrically installed on the vertical rod, the vertical columns are symmetrically installed between the two L-shaped plates about the axis of the vertical rod, the T-shaped frame is installed between the two vertical columns, the first rollers are rotatably installed on two sides of the upper end and the lower end of the T-shaped frame through connecting shafts, the second rollers are rotatably installed on the top of the T-shaped frame through connecting shafts, one side of each first roller is abutted to the corresponding vertical column, the other side of each first roller is abutted to the corresponding vertical rod, the hoist is installed on the top of the vertical rod, the first motor is installed on one side of the hoist and used for driving the hoist to work, and a steel wire rope on the hoist passes through one of the L-shaped plates and is connected with the T-shaped frame.

3. The transformer hoisting device for power construction as claimed in claim 1, wherein the position adjustment mechanism comprises a support plate, a support rod, a second motor, a worm wheel, a support frame, a box body, a third motor and a lead screw, the support plate is mounted on the T-shaped frame, the support rod is mounted on one side of the support plate away from the T-shaped frame, two L-shaped rods are mounted on one side of the support rod, the worm is rotatably mounted between the two L-shaped rods, the second motor is mounted on one of the L-shaped rods, an output shaft of the second motor is connected with one end of the worm, the worm wheel is arranged on one side of the worm and is meshed with the worm, a rotating shaft is mounted at the end of the support rod in a rotating manner, the support frame is mounted below the worm wheel and at the bottom end of the rotating shaft, the box body is mounted on one side of the bottom of the support frame, the lead screw is rotatably mounted in the box body, a sliding block is mounted on the lead screw in a threaded manner, a through groove is formed in one side of the box body, the end of the sliding block extends to the outside of the through groove, and an output shaft is connected with one end of the lead screw.

4. The transformer hoisting device for power construction as claimed in claim 1, wherein a U-shaped frame is installed on one side above the through hole, two baffles are hinged to the inner side of the through hole, and the baffles are hinged to the U-shaped frame through a third telescopic rod.

5. The transformer hoisting device for power construction as claimed in claim 1, wherein the travelling wheels are mounted on two sides of the bottom of the base.

6. The transformer hoisting device for power construction as claimed in claim 1, wherein a handrail frame is installed at one side of the base.