CN214456015U

CN214456015U - Transmission line iron tower elevating gear

Info

Publication number: CN214456015U
Application number: CN202120600316.XU
Authority: CN
Inventors: 刘伟峰; 罗仁武; 赵建伟
Original assignee: Henan Dingli Power Technology Co ltd
Current assignee: Henan Dingli Power Technology Co ltd
Priority date: 2021-03-25
Filing date: 2021-03-25
Publication date: 2021-10-22
Anticipated expiration: 2031-03-25

Abstract

The utility model relates to the technical field of iron tower operation, and discloses a lifting device for an iron tower of a power transmission line, which comprises a cross beam, wherein two main supporting columns are fixedly connected to two sides of the lower surface of the cross beam, two wheel grooves are respectively arranged on the opposite sides of the main supporting columns, side supporting columns are fixedly connected to the outer sides of the main supporting columns, a motor and a bobbin are arranged above the cross beam, the driving end of the motor is fixedly connected to the rotating center of the bobbin, a steel cable is wound on the surface of the bobbin, a lifting chamber is arranged at the lower end of the steel cable, a rotating shaft is arranged at the front end of the lower bottom of the lifting chamber, the outer surface of the rotating shaft is rotatably connected with a chamber door, a guardrail is fixedly connected to the right side of the chamber door, a reinforcing mechanism is arranged at the bottom of the main supporting columns, a protection mechanism is arranged above the lifting chamber, and the stability of the whole device is ensured by arranging the reinforcing mechanism, through having set up protection mechanism, guaranteed constructor's safety.

Description

Transmission line iron tower elevating gear

Technical Field

The utility model relates to an iron tower operation technical field specifically is a transmission line iron tower elevating gear.

Background

The ultra-high voltage transmission line iron tower is widely applied to a power grid. Installation and maintenance of extra-high voltage transmission line equipment often requires constructors to climb iron towers. The construction personnel and equipment are generally transported to the upper part of the iron tower by adopting equipment such as a manned shaft elevator, a construction elevator, an iron tower climbing machine and the like.

However, the existing lifting equipment needs to be assembled on site when in use, the small safety of the fixing frame at the bottom is limited, the inside manned object carrying lifting bin often has a section distance from an iron tower when being lifted to a specified position, and after the traditional chamber door can only be opened, the traditional chamber door is inconvenient for constructors to go to the tower for maintenance. Therefore, a person skilled in the art provides a lifting device for a power transmission line iron tower to solve the problems in the background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a transmission line iron tower elevating gear 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:

the utility model provides a transmission line iron tower elevating gear, includes the crossbeam, the equal rigid coupling in lower surface both sides of crossbeam has the main tributary dagger, two wheel grooves have all been seted up to the opposite side of main tributary dagger, the outside rigid coupling of main tributary dagger has the collateral branch dagger, motor and bobbin are installed to the top of crossbeam, just the drive end rigid coupling of motor is in the rotation center department of bobbin, the surface of bobbin is around there being the cable wire, the lift room is installed to the lower extreme of cable wire, the pivot is installed to the lower bottom front end of lift room, the surface of pivot rotates and is connected with the room door, the gyro wheel is installed to the both sides equidistance of lift room, the right side rigid coupling of room door has the guardrail, reinforcing mechanism is installed to the bottom of main tributary dagger, protection machanism is installed to the top of lift room.

As a further aspect of the present invention: the roller is connected inside the wheel groove in a rolling mode.

As a further aspect of the present invention: the reinforcing mechanism includes extension rod, standing groove, base and screw, the main tributary dagger with the bottom rigid coupling of collateral branch dagger has reinforcing mechanism, reinforcing mechanism's side has been seted up the standing groove, the inside sliding connection of standing groove has the extension rod, the front end of extension rod has been seted up the screw.

As a further aspect of the present invention: the extension rod the standing groove with the quantity of screw is four.

As a further aspect of the present invention: protection machanism includes second pulley, first pulley, spring, spacing groove, T shape stopper and haulage rope, install in proper order from a left side to the right side in the top of lift room the second pulley with first pulley, the upper cover plate of lift room is inside to have seted up the spacing groove, the inside rigid coupling of spacing groove has the spring, the terminal rigid coupling of spring has T shape stopper, the second pulley with the surface of first pulley is around having the haulage rope, just the left end of haulage rope passes the upper cover plate and the rigid coupling of lift room are in the upper surface of T shape stopper, the right-hand member of haulage rope runs through the upper cover plate of lift room extends to the inside of lift room.

As a further aspect of the present invention: the T-shaped limiting block is connected inside the limiting groove in a sliding mode.

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

1. through having set up strengthening mechanism, through the use of extension rod and bolt, wholly consolidate equipment simultaneously in four directions, guarantee the holistic stability of equipment.

2. Through having set up protection mechanism, guarantee that the room door can not bounce by oneself and open the room door after there is the guardrail, room door itself can be again as the climbing frame use, makes things convenient for constructor to climb up the iron tower.

Drawings

Fig. 1 is a schematic structural diagram of a power transmission line iron tower lifting device;

fig. 2 is a schematic structural diagram of a reinforcing mechanism in a power transmission line iron tower lifting device;

fig. 3 is a schematic structural diagram of a protection mechanism in a power transmission line iron tower lifting device.

In the figure: 1. a cross beam; 2. a main support column; 3. a wheel groove; 4. a roller; 5. side support columns; 6. a reinforcement mechanism; 7. a chamber door; 8. a lifting chamber; 9. a steel cord; 10. a motor; 11. a bobbin; 12. an extension rod; 13. a placement groove; 14. a base; 15. a screw hole; 16. a second pulley; 17. a first pulley; 18. a spring; 19. a limiting groove; 20. a T-shaped limiting block; 21. a hauling rope; 22. a protection mechanism; 23. a guardrail; 24. a rotating shaft.

Detailed Description

Please refer to fig. 1 to 3, in an embodiment of the present invention, an electric transmission line tower lifting device, includes a beam 1, a main supporting column 2 is fixedly connected to both sides of a lower surface of the beam 1, two wheel slots 3 are respectively disposed on opposite sides of the two main supporting columns 2, a side supporting column 5 is fixedly connected to an outer side of the main supporting column 2, a motor 10 and a bobbin 11 are mounted above the beam 1, a driving end of the motor 10 is fixedly connected to a rotation center of the bobbin 11, a steel cable 9 is wound on a surface of the bobbin 11, a lifting chamber 8 is mounted at a lower end of the steel cable 9, a rotating shaft 24 is mounted at a front end of a lower bottom of the lifting chamber 8, a door 7 is rotatably connected to an outer surface of the rotating shaft 24, rollers 4 are equidistantly mounted on two sides of the lifting chamber 8, the rollers 4 are rotatably connected to an inner portion of the wheel slots 3, a guardrail 23 is fixedly connected to a right side of the door 7, a reinforcing mechanism 6 is mounted at a bottom of the main supporting column 2, the reinforcing mechanism 6 includes an extension rod 12, Standing groove 13, base 14 and screw 15, the bottom rigid coupling of main tributary strut 2 and side strut 5 has reinforcing mechanism 6, standing groove 13 has been seted up to reinforcing mechanism 6's side, standing groove 13's inside sliding connection has extension rod 12, screw 15 has been seted up to extension rod 12's front end, extension rod 12, standing groove 13 and the quantity of screw 15 are four, base 14 has been placed on the next door that is close to the iron tower, take whole extension rod 12 inside standing groove 13 out, then select suitable position, construction bolt fixes the underground in screw 15, thereby fix the holistic bottom of equipment, then other positions at erection equipment, during the dismouting, need demolish the bolt in screw 15 earlier, place inside 13 screw of standing groove with screw 15 impels again.

In fig. 3: a protection mechanism 22 is arranged above the lifting chamber 8, the protection mechanism 22 comprises a second pulley 16, a first pulley 17, a spring 18, a limit groove 19, a T-shaped limit block 20 and a traction rope 21, the second pulley 16 and the first pulley 17 are sequentially arranged above the lifting chamber 8 from left to right, the limit groove 19 is formed in the upper cover plate of the lifting chamber 8, the spring 18 is fixedly connected to the inside of the limit groove 19, the T-shaped limit block 20 is fixedly connected to the tail end of the spring 18, the traction rope 21 is wound on the surfaces of the second pulley 16 and the first pulley 17, the left end of the traction rope 21 penetrates through the upper cover plate of the lifting chamber 8 and is fixedly connected to the upper surface of the T-shaped limit block 20, the right end of the traction rope 21 penetrates through the upper cover plate of the lifting chamber 8 and extends into the lifting chamber 8, the T-shaped limit block 20 is slidably connected to the inside of the limit groove 19, when the lifting chamber 8 rises to a proper position, the right end of the traction rope 21 is pulled, the left end pulling T shape stopper 20 rebound of haulage rope 21, spring 18 is compressed and outwards promotes the upper portion of room door 7, then the lower extreme of room door 7 will rotate round pivot 24, the upper end of room door 7 will support and lean on the iron tower, then constructor just can climb to the iron tower through room door 7 and maintain the operation, after the maintenance finishes, inside constructor got back to the lift chamber 8 again through room door 7, mention guardrail 23 and reset room door 7, support the right surface of T shape stopper 20 again and lean on the left surface that supports at room door 7 can.

The utility model discloses a theory of operation is: the base 14 is placed beside the iron tower, the extension rods 12 inside the placing groove 13 are completely drawn out, then a proper position is selected, the bolt is installed in the screw hole 15 and fixed to the ground, so that the bottom of the whole equipment is fixed, then in other positions of the installation equipment, the bolt in the screw hole 15 needs to be firstly removed during disassembly and assembly, the screw hole 15 is pushed into the placing groove 13 again for placing, when the lifting chamber 8 is lifted to the proper position, the right end of the traction rope 21 is pulled, the left end of the traction rope 21 pulls the T-shaped limiting block 20 to move upwards, the spring 18 is compressed to push the upper part of the chamber door 7 outwards, the lower end of the chamber door 7 rotates around the rotating shaft 24, the upper end of the chamber door 7 abuts against the iron tower, then a constructor can climb onto the iron tower through the chamber door 7 for maintenance operation, after maintenance is finished, the constructor returns to the inside the lifting chamber 8 through the chamber door 7 again, lifting the guardrail 23 to reset the chamber door 7, and abutting the right surface of the T-shaped limiting block 20 against the left surface of the chamber door 7 again.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a transmission line iron tower elevating gear, includes crossbeam (1), the equal rigid coupling in lower surface both sides of crossbeam (1) has main tributary strut (2), two the opposite side of main tributary strut (2) has all been seted up two pulley slots (3), the outside rigid coupling of main tributary strut (2) has collateral branch strut (5), motor (10) and bobbin (11) are installed to the top of crossbeam (1), just the drive end rigid coupling of motor (10) is in the center of rotation department of bobbin (11), the surface of bobbin (11) is around there being cable wire (9), lift room (8) are installed to the lower extreme of cable wire (9), pivot (24) are installed to the lower bottom front end of lift room (8), the surface of pivot (24) rotates and is connected with room door (7), gyro wheel (4) are installed to the both sides equidistance of lift room (8), the right side rigid coupling of room door (7) has guardrail (23), its characterized in that, reinforcing mechanism (6) are installed to the bottom of main tributary dagger (2), protection mechanism (22) are installed to the top of lift room (8).

2. The lifting device for the iron tower of the power transmission line according to the claim 1 is characterized in that the roller (4) is connected inside the wheel groove (3) in a rolling way.

3. The power transmission line iron tower lifting device according to claim 1, wherein the reinforcing mechanism (6) comprises an extension rod (12), a placing groove (13), a base (14) and a screw hole (15), the reinforcing mechanism (6) is fixedly connected to the bottoms of the main supporting column (2) and the side supporting columns (5), the placing groove (13) is formed in the side face of the reinforcing mechanism (6), the extension rod (12) is connected to the inside of the placing groove (13) in a sliding mode, and the screw hole (15) is formed in the front end of the extension rod (12).

4. The lifting device for the power transmission line iron tower as claimed in claim 3, wherein the number of the extension rod (12), the placing groove (13) and the screw hole (15) is four.

5. The lifting device of the power transmission line iron tower as claimed in claim 1, wherein the protection mechanism (22) comprises a second pulley (16), a first pulley (17), a spring (18), a limiting groove (19), a T-shaped limiting block (20) and a traction rope (21), the second pulley (16) and the first pulley (17) are sequentially installed above the lifting chamber (8) from left to right, the limiting groove (19) is formed in an upper cover plate of the lifting chamber (8), the spring (18) is fixedly connected to the inside of the limiting groove (19), the T-shaped limiting block (20) is fixedly connected to the tail end of the spring (18), the traction rope (21) is wound on the surfaces of the second pulley (16) and the first pulley (17), and the left end of the traction rope (21) penetrates through the upper cover plate of the lifting chamber (8) and is fixedly connected to the upper surface of the T-shaped limiting block (20), the right end of the traction rope (21) penetrates through the upper cover plate of the lifting chamber (8) and extends into the lifting chamber (8).

6. The lifting device for the power transmission line iron tower as claimed in claim 5, wherein the T-shaped limiting block (20) is slidably connected inside the limiting groove (19).