CN213569270U

CN213569270U - Self-unloading device for balance arm of tower crane

Info

Publication number: CN213569270U
Application number: CN202022083212.4U
Authority: CN
Inventors: 欧渝; 李勇
Original assignee: Guangdong Liangjian Engineering Equipment Service Co ltd
Current assignee: Guangdong Liangjian Engineering Equipment Service Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-06-29
Anticipated expiration: 2030-09-22

Abstract

A self-unloading device for a balance arm of a tower crane comprises a rack, a disassembling component and a clamping component; the frame comprises a box body, a lifting piece and a base; the lifting piece is arranged on the base; the box body is arranged on the lifting piece; the disassembling component and the clamping component are arranged on the box body. The utility model discloses a set up the dismantlement subassembly, utilize the driving piece to drive the axis of rotation and rotate, because first threaded rod and second threaded rod counter-rotate, so multiunit sliding sleeve uses the second gear as the symmetry axis counter-slide to drive centre gripping subassembly counter-motion, realize the dismantlement function to the standard pole, simple structure, the simple operation uses manpower sparingly, improves the work efficiency when the tower crane balance arm is dismantled; the standard rod is clamped and fixed by arranging the clamping assembly and adjusting the position of the clamping plate by using the adjusting rod, so that the balance arm is disassembled by matching with the disassembling assembly; through setting up the thermovent, the heat that produces the driving piece during operation diffuses, prevents that the box internal temperature is too high, influences the normal work of driving piece.

Description

Self-unloading device for balance arm of tower crane

Technical Field

The utility model relates to a tower crane equipment technical field especially relates to a tower crane balance arm self-discharging device.

Background

The tower crane is a common hoisting device on construction sites, and comprises a plurality of standard rods for hoisting raw materials such as reinforcing steel bars, wood ridges, concrete, steel pipes and the like for construction.

The dismantling of the standard rod of the balance arm of the tower crane is usually carried out after a large amount of safety precaution work is needed, the dismantling speed is slow, the danger coefficient is high, and the manpower and material resources are consumed greatly; because the suspension position of the existing self-unloading device is fixed, the lengths of the balance arms of various tower cranes are different, and the disassembly efficiency is low.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

In order to solve the technical problems existing in the background art, the utility model provides a self-discharging device of a tower crane balance arm, through setting up a disassembling component, utilize a driving piece to drive a rotating shaft to rotate, through the meshing connection of a first gear and a second gear, drive a first threaded rod and a second threaded rod to rotate, because the first threaded rod and the second threaded rod rotate reversely, a plurality of sets of sliding sleeves slide reversely by taking the second gear as a symmetrical shaft, thereby driving a clamping component to move reversely, realizing the disassembling function of a standard rod, having simple structure, convenient operation and labor saving, and improving the working efficiency when the tower crane balance arm is disassembled; the clamping assembly is arranged, the position of the clamping plate is adjusted by the adjusting rod, the position of the clamping block on the standard rod is fixed by the fixing rod, and the standard rod is clamped and fixed, so that the disassembly assembly is matched to finish the disassembly of the balance arm; through setting up the thermovent, the heat that produces the driving piece during operation diffuses, prevents that the box internal temperature is too high, causes the damage to spare part, influences the normal work of driving piece.

(II) technical scheme

The utility model provides a self-unloading device of a tower crane balance arm, which comprises a frame, a disassembling component and a clamping component; the frame comprises a box body, a lifting piece and a base; the lifting piece is arranged on the base; the box body is arranged on the lifting piece; the disassembling component and the clamping component are arranged on the box body; the disassembling component comprises a driving piece, a rotating shaft, a first gear and a second gear; the first threaded rod, the second threaded rod and the sliding sleeve; the first gear is connected with a rotating shaft key driven by the driving piece; the second gear is meshed with the first gear; the first threaded rod and the second threaded rod are respectively and rotatably arranged on the box body, the first threaded rod and the second threaded rod are respectively in key connection with the second gear, and threads of the first threaded rod and the second threaded rod are reversely arranged; the sliding sleeves are arranged in multiple groups, and the multiple groups of sliding sleeves are respectively in threaded connection with the first threaded rod and the second threaded rod; the clamping assembly comprises a clamping block, a fixed rod, a clamping plate and an adjusting rod; the clamping block is arranged on the sliding sleeve and is in threaded connection with the box body, and a clamping groove is formed in the clamping block; the adjusting rod is rotatably arranged on the clamping block, is in threaded connection with the clamping block and penetrates through the clamping groove; the clamping plate is arranged at one end of the adjusting rod; the fixed rod is arranged on the clamping block; the adjusting rod penetrates through the fixing rod and is connected with the fixing rod in a sliding mode.

Preferably, the disassembling component further comprises a rotating frame; the rotating frame is arranged on the box body; the rotating shaft is rotatably arranged on the rotating frame.

Preferably, the box body is provided with a heat dissipation port; the heat dissipation opening is close to the driving piece.

Preferably, the drive member is provided as a motor; the motor is arranged on the box body.

Preferably, the sliding sleeves are symmetrically arranged on the first threaded rod and the second threaded rod by taking the second gear as a symmetry axis.

Preferably, the clamping assembly further comprises a knob; the knob is arranged on the adjusting rod and is rotationally connected with the clamping block.

Preferably, the lifting member is provided as a cylinder.

Preferably, the fixing rod is perpendicular to the adjusting rod.

Compared with the prior art, the above technical scheme of the utility model following profitable technological effect has:

the disassembling component is arranged, the driving part is used for driving the rotating shaft to rotate, the first gear and the second gear are meshed and connected to drive the first threaded rod and the second threaded rod to rotate, and the first threaded rod and the second threaded rod rotate reversely, so that the multiple groups of sliding sleeves slide reversely by taking the second gear as a symmetrical shaft, and the clamping component is driven to move reversely, the disassembling function of the standard rod is realized, the structure is simple, the operation is convenient, the labor is saved, the disassembling component is suitable for tower crane balancing rods with different lengths, and meanwhile, the working efficiency of disassembling the tower crane balancing arm is also improved;

secondly, through the arrangement of the clamping assembly, the position of the clamping plate is adjusted by utilizing the adjusting rod, the position of the clamping block on the standard rod is fixed by the fixing rod, and the standard rod is clamped and fixed, so that the disassembly assembly is matched to finish the disassembly of the balance arm;

thirdly, through setting up the thermovent, the heat that produces the driving piece during operation diffuses, prevents that the box internal temperature is too high, causes the damage to spare part, influences the normal work of driving piece.

Drawings

Fig. 1 is the utility model provides a tower crane balance arm self-discharging device's structural schematic.

Fig. 2 is the utility model provides a tower crane balance arm self-discharging device's cross-sectional view.

Fig. 3 is the utility model provides a left side view of tower crane balance arm self-discharging device.

Fig. 4 is a partially enlarged view of a portion a in fig. 3.

Reference numerals: 1. a frame; 2. disassembling the assembly; 3. a clamping assembly; 4. a box body; 5. a lifting member; 6. a base; 7. a first standard bar; 8. a second standard bar; 9. a connecting pin; 10. a drive member; 11. a rotating shaft; 12. a first gear; 13. a rotating frame; 14. a second gear; 15. a first threaded rod; 16. a second threaded rod; 17. a heat dissipation port; 18. a sliding sleeve; 19. a clamping block; 20. fixing the rod; 21. a clamping plate; 22. adjusting a rod; 23. a knob; 25. a clamping groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-4, the self-unloading device for the balance arm of the tower crane provided by the present invention comprises a frame 1, a disassembling component 2 and a clamping component 3; the frame 1 comprises a box body 4, a lifting piece 5 and a base 6; the lifting piece 5 is arranged on the base 6; the box body 4 is arranged on the lifting piece 5; the disassembling component 2 and the clamping component 3 are arranged on the box body 4; the disassembling component 2 comprises a driving piece 10, a rotating shaft 11, a first gear 12 and a second gear 14; a first threaded rod 15, a second threaded rod 16 and a sliding sleeve 18; the first gear 12 is keyed with a rotation shaft 11 driven by the driver 10; the second gear 14 is meshed with the first gear 12; the first threaded rod 15 and the second threaded rod 16 are respectively and rotatably arranged on the box body 4, the first threaded rod 15 and the second threaded rod 16 are respectively in key connection with the second gear 14, and the threads of the first threaded rod 15 and the second threaded rod 16 are reversely arranged; the sliding sleeves 18 are arranged in multiple groups, and the multiple groups of sliding sleeves 18 are respectively in threaded connection with the first threaded rod 15 and the second threaded rod 16; the clamping assembly 3 comprises a clamping block 19, a fixed rod 20, a clamping plate 21 and an adjusting rod 22; the clamping block 19 is arranged on the sliding sleeve 18 and is in threaded connection with the box body 4, and a clamping groove 25 is formed in the clamping block 19; the adjusting rod 22 is rotatably arranged on the clamping block 19, is in threaded connection with the clamping block 19 and penetrates through the clamping groove 25; the clamping plate 21 is arranged at one end of the adjusting rod 22; the fixing rod 20 is arranged on the clamping block 19; the adjusting rod 22 penetrates the fixing rod 20 and is slidably connected with the fixing rod 20.

In an alternative embodiment, the disassembling assembly 2 also comprises a rotating turret 13; the rotating frame 13 is arranged on the box body 4; the rotating shaft 11 is rotatably provided on the rotating frame 13.

In an alternative embodiment, the box 4 is provided with a heat dissipating port 17; the heat dissipation opening 17 is close to the driver 10.

In an alternative embodiment, the drive 10 is provided as an electric motor; the motor is arranged on the box body 4.

In an alternative embodiment, the sets of sliding sleeves 18 are symmetrically arranged on the first threaded rod 15 and the second threaded rod 16 with the second gear 14 as a symmetry axis.

In an alternative embodiment, the clamping assembly 3 further comprises a knob 23; the knob 23 is arranged on the adjusting rod 22 and is rotatably connected with the clamping block 19.

In an alternative embodiment, the lifting member 5 is provided as a cylinder.

In an alternative embodiment, the fixing bar 20 is arranged perpendicular to the adjustment bar 22.

The utility model discloses a theory of use as follows: adjusting the lifting piece 5, arranging the clamping blocks 19 on the first standard rod 7 and the second standard rod 8 respectively, and manually disconnecting the connecting pins 9; arranging the first standard rod 7 and the second standard rod 8 in the clamping groove 25, adjusting the knob 23 to enable the adjusting rod 22 to penetrate through the clamping groove 25 and the fixing rod 20 and penetrate through the first standard rod 7 and the second standard rod 8; the clamping block 19 is fixed relative to the first standard rod 7 and the second standard rod 8 respectively; starting the driving part 10, wherein the driving part 10 drives the first threaded rod 15 and the second threaded rod 16 to rotate through the meshing connection of the first gear 12 and the second gear 14, and the sliding sleeves 18 oppositely or reversely slide due to the reverse arrangement of the threads of the first threaded rod 15 and the second threaded rod 16; when the sliding sleeve 18 slides reversely, the clamping block 19 is driven to move reversely, and the first standard rod 7 and the second standard rod 8 are separated and disassembled.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A self-unloading device for a balance arm of a tower crane is characterized by comprising a frame (1), a disassembling component (2) and a clamping component (3); the frame (1) comprises a box body (4), a lifting piece (5) and a base (6); the lifting piece (5) is arranged on the base (6); the box body (4) is arranged on the lifting piece (5); the disassembling component (2) and the clamping component (3) are arranged on the box body (4);

the disassembling component (2) comprises a driving piece (10), a rotating shaft (11), a first gear (12) and a second gear (14); a first threaded rod (15), a second threaded rod (16) and a sliding sleeve (18); the first gear (12) is connected with a rotary shaft (11) driven by the driving piece (10) in a key way; the second gear (14) is meshed with the first gear (12); the first threaded rod (15) and the second threaded rod (16) are respectively and rotatably arranged on the box body (4), the first threaded rod (15) and the second threaded rod (16) are respectively in key connection with the second gear (14), and the threads of the first threaded rod (15) and the second threaded rod (16) are reversely arranged; the sliding sleeves (18) are arranged in multiple groups, and the sliding sleeves (18) are respectively in threaded connection with the first threaded rod (15) and the second threaded rod (16);

the clamping assembly (3) comprises a clamping block (19), a fixed rod (20), a clamping plate (21) and an adjusting rod (22); the clamping block (19) is arranged on the sliding sleeve (18) and is in threaded connection with the box body (4), and a clamping groove (25) is formed in the clamping block (19); the adjusting rod (22) is rotatably arranged on the clamping block (19), is in threaded connection with the clamping block (19) and penetrates through the clamping groove (25); the clamping plate (21) is arranged at one end of the adjusting rod (22); the fixing rod (20) is arranged on the clamping block (19); the adjusting rod (22) penetrates through the fixing rod (20) and is connected with the fixing rod (20) in a sliding mode.

2. The tower crane balance arm self-unloading device according to claim 1, wherein the disassembling assembly (2) further comprises a rotating frame (13); the rotating frame (13) is arranged on the box body (4); the rotating shaft (11) is rotatably arranged on the rotating frame (13).

3. The self-unloading device of the balance arm of the tower crane according to claim 1, wherein the box body (4) is provided with a heat dissipation port (17); the heat dissipation opening (17) is close to the driving member (10).

4. The self-discharging device of the balance arm of the tower crane according to claim 1, wherein the driving member (10) is provided as a motor; the motor is arranged on the box body (4).

5. The self-unloading device of the balance arm of the tower crane according to claim 1, wherein the sliding sleeves (18) are symmetrically arranged on the first threaded rod (15) and the second threaded rod (16) by taking the second gear (14) as a symmetry axis.

6. The tower crane balance arm self-dumping device of claim 1, wherein the clamping assembly (3) further comprises a knob (23); the knob (23) is arranged on the adjusting rod (22) and is rotationally connected with the clamping block (19).

7. The self-unloading device of the balance arm of the tower crane according to claim 1, wherein the lifting piece (5) is provided as a cylinder.

8. The self-discharging device of the balance arm of the tower crane according to claim 1, wherein the fixing rod (20) is arranged perpendicular to the adjusting rod (22).