CN219363192U - Electric power overhauls lifting device - Google Patents

Abstract

The utility model provides an electric power overhaul lifting device, which comprises a base, a primary transmission piece, a secondary transmission piece and an overhaul box, wherein a screw rod, a motor and two guide brackets are arranged on the base; the outside of one-level driving medium is installed and is driven nut with lead screw matched with, one-level driving medium slidable mounting is between two direction brackets, and both ends are rotated respectively from the driving wheel about the one-level driving medium, and the cover has driven belt between the driving wheel, and driven belt both sides are respectively with connecting rod and second grade driving medium fixed connection, second grade driving medium and one-level driving medium sliding connection, maintenance bottom of the case fixed mounting is on second grade driving medium. The double lifting stroke can be completed by using one motor, and the double lifting stroke device has the advantages of simple structure and low installation cost.

Description

Electric power overhauls lifting device

Technical Field

The utility model relates to the technical field of electric auxiliary tools, in particular to an electric overhaul lifting device.

Background

When high-level power equipment such as a transformer substation is maintained, maintenance personnel need to ascend, and due to heavy maintenance tools, the tools need to be transported to the ascending positions of the maintenance personnel by adopting lifting devices.

Traditional lifting device adopts the mode of installing the telescopic link in the storage tank below, through rotating the outside crank of telescopic link, the telescopic link is inside to stretch out and draw back under the cooperation of gear and rack to drive the storage tank and reciprocate, because the length of stretching out and drawing back of telescopic link depends on the length of the inside rack of telescopic link, therefore its height that lifts is limited, and the service environment of device also receives the restriction.

Patent No. 202123266961.1 discloses a tower heavy object lifting device, through at telescopic link internally mounted a plurality of electric cylinders, realizes the multistage flexible of telescopic link, and then improves its lift height, however this kind of lifting device's control unit circuit is complicated, need set up the lift order of a plurality of cylinders to a plurality of cylinders installation cost is high.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model provides the electric overhaul lifting device which can effectively improve the lifting height and has the advantages of simple structure and low installation cost.

The technical scheme of the utility model is as follows: the utility model provides an electric power overhauls lifting device, includes base, one-level driving medium, two-level driving medium and overhauls the case, be equipped with lead screw, motor and two guide brackets on the base, the guide bracket is installed on the base in opposite directions, and upper end one side of guide bracket is connected through the connecting rod, and the both ends of lead screw are rotated with connecting rod and base through the bearing respectively, the motor fixed mounting is on the base, and the output and the lead screw transmission of motor are connected; the driving nut matched with the screw rod is arranged on the outer side of the primary transmission piece, the primary transmission piece is arranged between the two guide brackets and is in sliding connection with the guide brackets, the upper end and the lower end of the primary transmission piece are respectively connected with driven wheels in a rotating mode, driven belts are sleeved between the driven wheels, one sides of the driven belts are fixedly connected with the connecting rods, secondary transmission pieces are fixed on the other sides of the driven belts, the secondary transmission pieces are in sliding connection with the primary transmission pieces, and the bottom of the overhaul box is fixedly arranged on the secondary transmission pieces. The motor drives the screw rod to drive the first transmission piece to rise, and the first transmission piece drives the second transmission piece to rise through the driven belt, so that one power is realized to drive the two transmission pieces to move in a superposition mode, a complex circuit structure is not needed, the installation cost is low, the lifting speed of the motor is improved at the same rotating speed, the lifting height of the motor is doubled at the same length, and the maintenance box is guaranteed to have enough lifting height.

The primary transmission piece is of a hollow structure, a sliding rail is arranged on the inner wall of the primary transmission piece, the secondary transmission piece penetrates into the primary transmission piece, and the secondary transmission piece is in sliding connection with the sliding rail of the primary transmission piece through a sliding groove. The structure can enable the structure of the two transmission parts to be tighter, and the lifting process is more stable.

The outer wall of the primary transmission member is provided with a pulley mounting hole, the driven wheel is rotationally connected with two sides of the opening of the pulley mounting hole, and the driven belt passes through the hollow structure of the primary transmission member through the driven wheel in the pulley mounting hole and is fixedly connected with the lower end of the secondary transmission member inside.

Driven wheels at the upper end and the lower end of the primary transmission piece are two groups, the two groups of driven wheels are symmetrically distributed at two sides of the central axis of the screw rod, and driven belts are sleeved between each group of driven wheels. The symmetrical arrangement of the two groups of driven wheels can enable the operation of the secondary transmission part to be more stable, and avoid the phenomenon of blocking caused by the inclination of stress.

The output end of the motor is provided with a driving wheel, the lower end part of the screw rod is provided with a linkage wheel, and the driving wheel is connected with the linkage wheel through a driving belt, so that the transmission between the output end of the motor and the screw rod is realized.

The beneficial effects of the utility model are as follows:

according to the scheme, the screw rod is driven by the motor to drive the first transmission member to rise, the first transmission member drives the second transmission member to rise through the driven belt, so that one power is realized to drive the two transmission members to move in a superposition mode, a complex circuit structure is not needed, the installation cost is low, the lifting speed of the transmission member is increased at the same rotating speed, the lifting height of the transmission member is doubled at the same length, and the maintenance box is guaranteed to have enough lifting height.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the utility model after lifting;

FIG. 3 is a cross-sectional view of the present utility model;

FIG. 4 is an enlarged view of a portion of FIG. 1A;

fig. 5 is a partial enlarged view of B in fig. 3.

Reference numerals: 1. a base; 11. a brake wheel; 2. a guide bracket; 21. a connecting rod; 3. a primary transmission member; 31. a slide rail; 32. pulley mounting holes; 33. a drive nut; 4. a secondary transmission member; 41. a chute; 5. an overhaul box; 6. a screw rod; 61. a linkage wheel 7, a motor; 71. a driving wheel; 8. driven wheel; 9. a driven belt; 10. the belt is driven.

Detailed Description

In order to make the technical solution of the present utility model better understood by those skilled in the art, the following description is made in detail with reference to the accompanying drawings, and other embodiments obtained by those skilled in the art without making any inventive effort are all within the scope of the present utility model.

As shown in fig. 1 to 5, the utility model provides an electric overhaul lifting device, which comprises a base 1, a primary transmission part 3, a secondary transmission part 4 and an overhaul box 5, wherein a screw rod 6, a motor 7 and two guide brackets 2 are arranged on the base 1, the guide brackets 2 are oppositely arranged on the base 1, one side of the upper end of each guide bracket 2 is connected with the connecting rod 21 through a connecting rod 21, two ends of the screw rod 6 are respectively and rotatably connected with the connecting rod 21 and the base 1 through bearings, the motor 7 is fixedly arranged on the base 1, a driving wheel 71 is arranged at the output end of the motor 7, a linkage wheel 61 is arranged at the lower end of the screw rod 6, and the driving wheel 71 is connected with the linkage wheel 61 through a driving belt 10 so as to realize transmission between the output end of the motor 7 and the screw rod 6; the outside of one-level driving medium 3 install with lead screw 6 matched with drive nut 33, one-level driving medium 3 installs between two direction brackets 2 to with direction bracket 2 sliding connection, both ends are rotated respectively about one-level driving medium 3 and are connected with from driving wheel 8, overlap between the driving wheel 8 and have driven belt 9, driven belt 9 one side and connecting rod 21 fixed connection, driven belt 9 opposite side are fixed with second grade driving medium 4, sliding connection between second grade driving medium 4 and one-level driving medium 3, maintenance case 5 bottom fixed mounting is on second grade driving medium 4. The screw rod 6 is driven by the motor 7 to drive the first transmission part 3 to rise, and the first transmission part 3 drives the second transmission part 4 to rise through the driven belt 10, so that the two transmission parts can be driven to move in a superposition manner by only one motor, the installation cost is low, the lifting speed of the device is improved at the same rotating speed, the lifting height of the device is doubled under the same length, and the maintenance box 5 is ensured to have enough lifting height.

The primary transmission member 3 is of a hollow structure, a sliding rail 31 is arranged on the inner wall of the primary transmission member 3, the secondary transmission member 4 penetrates into the primary transmission member 3, and is in sliding connection with the sliding rail 31 of the primary transmission member 3 through a sliding groove 41; the outer wall of the primary transmission member 3 is provided with a pulley mounting hole 32, the driven pulley 8 is rotatably connected with two sides of the opening of the pulley mounting hole 32, and the driven belt 9 passes through the hollow structure of the primary transmission member 3 through the driven pulley 8 in the pulley mounting hole 32 and is fixedly connected with the lower end of the secondary transmission member 4 inside. The structure can enable the structure of the two transmission parts to be tighter, and the lifting process is more stable.

Driven wheels 8 at the upper end and the lower end of the primary transmission piece 3 are two groups, the two groups of driven wheels 8 are symmetrically distributed at two sides of the central axis of the screw rod 6, and driven belts 9 are sleeved between each group of driven wheels 8. The symmetrical arrangement of the two groups of driven wheels 8 can make the operation of the secondary transmission part 4 smoother and avoid the phenomenon of blocking caused by the inclination of stress.

When the technical scheme is implemented, in order to facilitate the mobility of the device, the brake wheel 11 is arranged at the bottom of the base 1, the device is pushed to the lower part of a transformer substation to be maintained, a maintenance tool required by a maintenance person is placed in the maintenance box 5, the motor 7 is started, the motor 7 drives the first transmission piece 3 to ascend along the guide bracket 2, the second transmission piece 4 ascends along the sliding rail 31 inside the first transmission piece 3 under the driving of the driven belt 9, the lifting of double stroke is realized, and counterweights such as sand bags and the like can be placed on the base 1 to further ensure the stability of the device.

Claims (5)

1. The electric power overhaul lifting device is characterized by comprising a base, a primary transmission piece, a secondary transmission piece and an overhaul box, wherein a screw rod, a motor and two guide brackets are arranged on the base, the guide brackets are oppositely arranged on the base, one side of the upper end of each guide bracket is connected with the connecting rod through the connecting rod, two ends of the screw rod are respectively connected with the connecting rod and the base in a rotating way through bearings, the motor is fixedly arranged on the base, and the output end of the motor is in transmission connection with the screw rod; the driving nut matched with the screw rod is arranged on the outer side of the primary transmission piece, the primary transmission piece is arranged between the two guide brackets and is in sliding connection with the guide brackets, the upper end and the lower end of the primary transmission piece are respectively connected with driven wheels in a rotating mode, driven belts are sleeved between the driven wheels, one sides of the driven belts are fixedly connected with the connecting rods, secondary transmission pieces are fixed on the other sides of the driven belts, the secondary transmission pieces are in sliding connection with the primary transmission pieces, and the bottom of the overhaul box is fixedly arranged on the secondary transmission pieces.

2. The electric overhaul lifting device according to claim 1, wherein the primary transmission member is of a hollow structure, a sliding rail is arranged on the inner wall of the primary transmission member, the secondary transmission member penetrates into the primary transmission member, and the secondary transmission member is in sliding connection with the sliding rail of the primary transmission member through the sliding groove.

3. The electric overhaul lifting device according to claim 2, wherein the outer wall of the primary transmission member is provided with a pulley mounting hole, the driven wheel is rotatably connected with two sides of the opening of the pulley mounting hole, and the driven belt passes through the hollow structure of the primary transmission member through the driven wheel in the pulley mounting hole and is fixedly connected with the lower end of the secondary transmission member inside.

4. The electric overhaul lifting device according to claim 1, wherein the driven wheels at the upper end and the lower end of the primary transmission piece are two groups, the two groups of driven wheels are symmetrically distributed at the two sides of the central axis of the screw rod, and driven belts are sleeved between each group of driven wheels.

5. The electric overhaul lifting device according to claim 1, wherein the output end of the motor is provided with a driving wheel, the lower end of the screw rod is provided with a linkage wheel, and the driving wheel is connected with the linkage wheel through a driving belt, so that transmission between the output end of the motor and the screw rod is realized.