CN214734281U

CN214734281U - Lifting device with anti-falling structure based on power transmission line iron tower

Info

Publication number: CN214734281U
Application number: CN202120923003.8U
Authority: CN
Inventors: 刘洋
Original assignee: Jinzhou Power Line Equipment Co ltd
Current assignee: Jinzhou Power Line Equipment Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-11-16
Anticipated expiration: 2031-04-30

Abstract

The utility model relates to the technical field of transmission line operation, in particular to a lifting device with a drop-proof structure based on a transmission line iron tower, which comprises a base and a bearing frame, wherein the top end surface of the base is fixedly connected with a vertical box, the inner side of the top end surface of the base is fixedly connected with a motor, the end of a main shaft of the motor is fixedly connected with a first threaded rod, the first threaded rod is rotationally connected with the vertical box, the outer side of the bottom end of the first threaded rod is fixedly connected with a ratchet wheel, the inner side of the left end surface of the vertical box is fixedly connected with a mounting plate, the top end surface of the mounting plate is fixedly connected with a first pin and a second pin from left to right in sequence, the outer side of the first pin is fixedly connected with a tension spring, the other end of the tension spring is fixedly connected with a pawl, the utility model has a reverse rotation-proof mechanism, improves the use safety of the device, and can realize the height adjustment of a railing, is suitable for the protection of workers with different heights, and has better anti-falling effect.

Description

Lifting device with anti-falling structure based on power transmission line iron tower

Technical Field

The utility model relates to a transmission line operation technical field specifically is a elevating gear based on transmission line iron tower has dropproof structure.

Background

The transmission line iron tower is a tower-shaped building for power transmission, and the structure characteristics of the tower-shaped building are that various tower types belong to a space truss structure, a rod piece mainly comprises a single equilateral angle steel or a combined angle steel, the materials generally comprise two types of Q235 (A3F) and Q345 (16 Mn), a rough bolt is adopted for connecting the rod pieces, the whole tower is connected by a shearing force of the bolt, the angle steel, a connecting steel plate and the bolt form the whole tower, individual parts such as tower feet and the like are welded into an assembly by a plurality of steel plates, along with the continuous development of economy in China, the construction number of the transmission line iron tower in China is continuously increased, the iron tower is generally required to be climbed when maintenance is carried out, and the requirement of iron tower maintenance equipment is driven, therefore, the requirement for a lifting device based on the transmission line iron tower and provided with an anti-falling structure is increased day by day.

The existing lifting device for maintaining the iron tower only has a lifting function and does not have a reverse-proof mechanism, so that the safety of the device in the using process is low, corresponding safety protection measures are not provided, and although part of lifting platforms are provided with railings, the railings are short, and the falling accident is still easy to happen when a user uses the lifting device, so that the lifting device based on the iron tower of the power transmission line and provided with the falling-proof structure is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lifting device based on transmission line iron tower has dropproof structure to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a lifting device with a drop-proof structure based on a power transmission line iron tower comprises a base and a bearing frame, wherein a vertical box is fixedly connected to the top end face of the base, a motor is fixedly connected to the inner side of the top end face of the base, a first threaded rod is fixedly connected to the tail end of a main shaft of the motor and is rotatably connected with the vertical box, a ratchet wheel is fixedly connected to the outer side of the bottom end of the first threaded rod, a mounting plate is fixedly connected to the inner side of the left end face of the vertical box, a first pin and a second pin are fixedly connected to the top end face of the mounting plate from left to right in sequence, a tension spring is fixedly connected to the outer side of the first pin, a pawl is fixedly connected to the other end of the tension spring and is rotatably connected with the second pin, a second threaded rod is connected to the inner side of the left end face of the vertical box through threads, and the right end face of the second threaded rod is slidably connected with the pawl, the outer side of the first threaded rod is in threaded connection with a sliding plate, the right end face of the sliding plate is fixedly connected with a bearing frame, a first fixing rod is fixedly connected to the inner side of the bottom end face of the bearing frame, a second fixing rod is slidably connected to the outer side of the first fixing rod, a spring is fixedly connected to the inner side of the first fixing rod, a limiting block is fixedly connected to the other end of the spring, a push rod is fixedly connected to the inner side of the limiting block, the push rod is slidably connected with the second fixing rod, a handrail is fixedly connected between the second fixing rods, and the top end face of the base is fixedly connected with a controller.

Preferably, the bottom end face of the base is fixedly connected with a universal wheel, and a self-locking mechanism is arranged on the universal wheel.

Preferably, the right side of the top end face of the base is fixedly connected with a buffer plate, and the buffer plate is made of rubber.

Preferably, the top end face of the base is fixedly connected with a guide rod, the outer side of the guide rod is connected with a sliding block in a sliding mode, and the sliding block is connected with the vertical box in a sliding mode.

Preferably, a plurality of adjusting grooves are formed in the second fixing rod.

Preferably, the right end face of the second threaded rod is fixedly connected with a handle, and anti-skidding lines are arranged on the outer side of the handle.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through motor, first threaded rod, ratchet, pawl, extension spring, the second threaded rod that sets up, the pawl of setting to with the ratchet block, can prevent effectively that first threaded rod from taking place the reversal, improve the safety in utilization of device, after work is accomplished, make the second threaded rod remove right and promote the pawl and rotate in the second pin outside, make pawl and ratchet break away from, remove the locking to the ratchet, the motor reversal can drop the carriage.

2. The utility model discloses in, through the first dead lever, second dead lever, spring, push rod, stopper, adjustment tank that set up, make the push rod drive the stopper and compress the spring, make push rod and second dead lever break away from, the second dead lever that slides downwards or upwards, when adjusting suitable position, the push rod outwards pops out under the elastic action of spring and fixes the second dead lever, realizes the altitude mixture control to the railing, is adapted to the staff's of different heights protection, and the dropproof effect is better.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 3 is a schematic diagram of the anti-reverse overlooking structure of the present invention.

In the figure: 1-base, 2-universal wheel, 3-vertical box, 4-motor, 5-first threaded rod, 6-ratchet wheel, 7-mounting plate, 8-first pin, 9-second pin, 10-pawl, 11-tension spring, 12-second threaded rod, 13-guide rod, 14-sliding plate, 15-sliding block, 16-buffer plate, 17-bearing frame, 18-first fixed rod, 19-second fixed rod, 20-spring, 21-push rod, 22-limiting block, 23-regulating groove, 24-controller and 25-railing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

a lifting device with a drop-proof structure based on a power transmission line iron tower comprises a base 1 and a bearing frame 17, wherein the top end face of the base 1 is fixedly connected with a vertical box 3, the inner side of the top end face of the base 1 is fixedly connected with a motor 4, the tail end of a main shaft of the motor 4 is fixedly connected with a first threaded rod 5, the first threaded rod 5 is rotatably connected with the vertical box 3, the outer side of the bottom end of the first threaded rod 5 is fixedly connected with a ratchet 6, the inner side of the left end face of the vertical box 3 is fixedly connected with a mounting plate 7, the top end face of the mounting plate 7 is fixedly connected with a first pin 8 and a second pin 9 from left to right in sequence, the outer side of the first pin 8 is fixedly connected with a tension spring 11, the other end of the tension spring 11 is fixedly connected with a pawl 10, the pawl 10 is rotatably connected with the second pin 9, the inner side of the left end face of the vertical box 3 is in threaded connection with a second threaded rod 12, and the right end face of the second threaded rod 12 is slidably connected with the pawl 10, the outside threaded connection of first threaded rod 5 has sliding plate 14, the right-hand member face fixedly connected with carriage 17 of sliding plate 14, the inboard fixedly connected with first dead lever 18 of bottom end face of carriage 17, the outside sliding connection of first dead lever 18 has second dead lever 19, the inboard fixedly connected with spring 20 of first dead lever 18, the other end fixedly connected with stopper 22 of spring 20, the inboard fixedly connected with push rod 21 of stopper 22, and push rod 21 and second dead lever 19 sliding connection, fixedly connected with railing 25 between the adjacent second dead lever 19, the top end face fixedly connected with controller 24 of base 1.

The bottom end surface of the base 1 is fixedly connected with a universal wheel 2, the universal wheel 2 is provided with a self-locking mechanism which is convenient for moving and fixing the device, the right side of the top end surface of the base 1 is fixedly connected with a buffer plate 16, the buffer plate 16 is made of rubber, when the bearing frame 17 falls down, a certain buffer effect is achieved, the top end face of the base 1 is fixedly connected with the guide rod 13, the outer side of the guide rod 13 is connected with the sliding block 15 in a sliding way, and the sliding block 15 is connected with the vertical box 3 in a sliding way, used for fixing the bearing frame 17 and improving the stability of the bearing frame 17 in the lifting process, the second fixing rod 19 is provided with a plurality of adjusting grooves 23, used for adjusting the second fixed rod 19 and is suitable for protecting different heights, the right end surface of the second threaded rod 12 is fixedly connected with a handle, and the outside of handle is equipped with anti-skidding line, increases frictional force, is convenient for rotate second threaded rod 12.

The working process is as follows: the utility model needs to supply power to the device by an external power supply before use, adjusts the height of the second fixed rod 19 according to the height of a worker, pushes the push rod 21 to drive the limit block 22 to compress the spring 20 by pushing the push rod 21, so that the push rod 21 is separated from the second fixed rod 19, then slides the second fixed rod 19 downwards or upwards, when the proper position is adjusted, the push rod 21 corresponds to the corresponding adjusting groove 23, the second fixed rod 19 is fixed by popping out outwards under the elastic action of the spring 20, the use safety of the bearing frame 17 is improved, then the motor 4 is started, the motor 4 drives the first threaded rod 5 to rotate, the first threaded rod 5 drives the sliding plate 14 to move upwards, the bearing frame 17 moves upwards, the arranged sliding block 15 and the guide rod 13 limit the direction of the bearing frame 17 in the moving process, the stability of the device is improved, when the required height is increased, the motor 4 is stopped to operate, the pawl 10 that sets up is to block with ratchet 6, can prevent effectively that first threaded rod 5 from taking place the reversal, improves the safety in utilization of device, and after work is accomplished, through rotating second threaded rod 12, makes second threaded rod 12 remove to the right, promotes pawl 10 and rotates in second pin 9 outside, makes extension spring 11 extend, and pawl 10 breaks away from with ratchet 6, removes the locking to ratchet 6, then can descend carriage 17 through making motor 4 reversal.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a elevating gear based on transmission line iron tower has dropproof structure, includes base (1) and bearing frame (17), its characterized in that: the top end face of the base (1) is fixedly connected with a vertical box (3), the inner side of the top end face of the base (1) is fixedly connected with a motor (4), the tail end of a main shaft of the motor (4) is fixedly connected with a first threaded rod (5), the first threaded rod (5) is rotatably connected with the vertical box (3), the outer side of the bottom end of the first threaded rod (5) is fixedly connected with a ratchet wheel (6), the inner side of the left end face of the vertical box (3) is fixedly connected with a mounting plate (7), the top end face of the mounting plate (7) is fixedly connected with a first pin (8) and a second pin (9) from left to right in sequence, the outer side of the first pin (8) is fixedly connected with a tension spring (11), the other end of the tension spring (11) is fixedly connected with a pawl (10), the pawl (10) is rotatably connected with the second pin (9), and the inner side of the left end face of the vertical box (3) is in threaded connection with a second threaded rod (12), the right end surface of the second threaded rod (12) is connected with the pawl (10) in a sliding way, the outer side of the first threaded rod (5) is connected with a sliding plate (14) in a threaded way, the right end face of the sliding plate (14) is fixedly connected with a bearing frame (17), the inner side of the bottom end face of the bearing frame (17) is fixedly connected with a first fixed rod (18), the outer side of the first fixed rod (18) is connected with a second fixed rod (19) in a sliding way, a spring (20) is fixedly connected to the inner side of the first fixing rod (18), a limiting block (22) is fixedly connected to the other end of the spring (20), a push rod (21) is fixedly connected to the inner side of the limiting block (22), and the push rod (21) is connected with the second fixing rods (19) in a sliding manner, a railing (25) is fixedly connected between the adjacent second fixing rods (19), and the top end face of the base (1) is fixedly connected with a controller (24).

2. The lifting device with the anti-falling structure based on the power transmission line iron tower is characterized in that: the bottom end face of the base (1) is fixedly connected with a universal wheel (2), and a self-locking mechanism is arranged on the universal wheel (2).

3. The lifting device with the anti-falling structure based on the power transmission line iron tower is characterized in that: the right side of the top end face of the base (1) is fixedly connected with a buffer plate (16), and the buffer plate (16) is made of rubber.

4. The lifting device with the anti-falling structure based on the power transmission line iron tower is characterized in that: the top end face of the base (1) is fixedly connected with a guide rod (13), the outer side of the guide rod (13) is connected with a sliding block (15) in a sliding mode, and the sliding block (15) is connected with the vertical box (3) in a sliding mode.

5. The lifting device with the anti-falling structure based on the power transmission line iron tower is characterized in that: a plurality of adjusting grooves (23) are arranged on the second fixing rod (19).

6. The lifting device with the anti-falling structure based on the power transmission line iron tower is characterized in that: the right end face of the second threaded rod (12) is fixedly connected with a handle, and anti-skidding lines are arranged on the outer side of the handle.