WO2022027883A1

WO2022027883A1 - Cantilever crane

Info

Publication number: WO2022027883A1
Application number: PCT/CN2020/133374
Authority: WO
Inventors: 陈金品
Original assignee: 广东港重绿建科技有限公司
Priority date: 2020-08-04
Filing date: 2020-12-02
Publication date: 2022-02-10
Also published as: CN111847267A

Abstract

A cantilever crane, comprising a hoisting beam (1) that is installed at a top end of a building inner wall (10), a hoisting point module (2), a main beam (3) that is located on a lower side of the hoisting beam (1) and that is slidably connected to the hoisting beam (1), a main beam walking driving module (4) for driving the main beam (3) to slide, a lifting module (5) that is slidably connected to the main beam (3), and a hoisted object (6) that is hoisted at a lower end of the lifting module (5). The main beam (3) comprises an upper sliding rail (31) and a lower sliding rail (32), and a sliding groove is provided on an inner side of the upper sliding rail (31). The cantilever crane may be installed in an inner wall of a building, may hoist a device into the building, has a simple structure, and may bear a relatively large weight.

Description

A cantilever crane

technical field

The invention relates to the technical field of cranes, in particular to a cantilever crane.

Background technique

Cranes are often used in the field of construction. Large-scale building structures require a lot of high-end large-scale equipment (fire equipment, alarm equipment, heating equipment, refrigeration equipment, etc.). Some high-tech equipment cannot be installed during construction and must be completed in the building. after installation. However, using conventional cranes, these large-scale equipment cannot be transferred into the building after the construction is completed, which brings great trouble to the installation of construction workers.

SUMMARY OF THE INVENTION

In view of the above problems, the present invention provides a cantilever crane, which can be installed in the inner wall of a building, can hoist the equipment into the building, has a simple structure, and can bear a large weight.

To achieve the above object, the present invention is solved by the following technical solutions:

A cantilever crane includes a hanging beam installed at the top of an inner wall of a building, a hanging point module, a main beam located on the lower side of the hanging beam and slidably connected to the hanging beam, and a main beam for driving the main beam to slide. a main beam walking drive module, a hoisting module slidably connected to the main beam, and an object to be hoisted at the lower end of the hoisting module;

The main beam includes an upper slide rail and a lower slide rail, and the inner side of the upper slide rail is provided with a chute;

The hanging point module includes a horizontal wheel support, a rear horizontal wheel support, a front hanging point wheel connected to the lower end of the horizontal wheel support, a front horizontal wheel, and a rear hanging point connected to the lower end of the rear horizontal wheel support wheel and rear horizontal wheel, the front hanging point wheel and the rear hanging point wheel are all rotatably connected with the lower end of the upper slide rail, and the front horizontal wheel and the rear horizontal wheel are all movable inside the chute.

Specifically, the section of the hanging beam is an I-shaped structure.

Specifically, an end of the main beam away from the suspension point module is further provided with an anti-skid jacking module, and the anti-slip jacking module includes a bearing plate, an adjustment device fixed on the bearing plate, and an adjustment device located on the upper side of the adjustment device. The lifting block and the counter-pressure wheel connected to the upper end of the lifting block, the upper end of the counter-pressure wheel is in conflict with the lower end of the main beam.

Specifically, the main beam walking drive module includes a counterweight fixedly connected to the main beam, a wheel set fixing plate connected to the upper end of the counterweight, a main beam driving motor fixed on the wheel set fixing plate, A driving wheel connected to the output shaft of the main beam driving motor, the driving wheel is located inside the hanging beam and is rotatably connected with the hanging beam.

Specifically, one end of the counterweight is also connected with an electric box bracket, and the first electric box is fixed on the electric box bracket.

Specifically, a sliding wire frame is also provided between the upper sliding rail and the lower sliding rail, a plurality of lifting sliding wire frames are slidably connected to the sliding wire frame, and a first sliding wire frame is slidably connected to the lifting sliding wire frame. A C-shaped track pulley set, the wires of the first electrical box are laid on the first C-shaped track pulley set.

Specifically, the hoisting module includes a hoisting motor, a hoisting rope connected to the output shaft of the hoisting motor, and a hoisting hook connected to the bottom of the hoisting rope, and the object to be hoisted is mounted on the hoisting hook superior.

Specifically, one side of the hanging beam is further provided with a main beam sliding frame, a second C-shaped track pulley block is slidably connected to the main beam sliding frame, and one end of the hoisting motor is also connected with a second electrical box, The wires of the second electrical box are laid on the second C-shaped track pulley group.

Specifically, the suspended object is a loading vehicle.

The beneficial effects of the present invention are:

The cantilever crane of the present invention can be installed in the inner wall of the building. When in use, the main beam walking drive module is used to extend the suspending beam, which can hoist high-end equipment under 10 tons into the building, and can bear a large weight. The lifting point module is added. The lifting point module is equipped with front lifting point wheels for supporting the upper slide rail, rear lifting point wheels, and front level wheels and rear level wheels for maintaining the level of the upper slide rail, so that the lifting process is stable and does not shake , and an anti-skid top tightening module is added, which can prevent the slipping phenomenon when the hanging beam shrinks.

Description of drawings

FIG. 1 is a first structural schematic diagram of a cantilever crane according to the present invention.

FIG. 2 is a second structural schematic diagram of a cantilever crane according to the present invention.

FIG. 3 is a third structural schematic diagram of a cantilever crane according to the present invention.

FIG. 4 is a schematic structural diagram of a main beam traveling drive module in the present invention.

FIG. 5 is a cross-sectional view of the plane A-A in FIG. 4 .

FIG. 6 is a schematic structural diagram of a hanging point module in the present invention.

FIG. 7 is a cross-sectional view of the plane B-B in FIG. 6 .

FIG. 8 is a first structural schematic diagram of the anti-skid pressing module in the present invention.

FIG. 9 is a second structural schematic diagram of the anti-skid pressing module in the present invention.

FIG. 10 is a schematic structural diagram of a hoisting module in the present invention.

FIG. 11 is a schematic structural diagram of the hoisting carriage and the main beam carriage in the present invention.

Reference signs are: hanging beam 1, hanging point module 2, horizontal wheel support 21, rear horizontal wheel support 22, front hanging point wheel 23, front horizontal wheel 25, rear hanging point wheel 26, rear horizontal wheel 28, main Beam 3, upper slide rail 31, lower rail 32, sliding wire frame 33, main beam travel drive module 4, counterweight 41, wheel set fixing plate 42, main beam drive motor 43, drive wheel 44, electric box bracket 45, An electrical box 46, a lifting module 5, a lifting motor 51, a hanging rope 52, a hook 53, an object to be lifted 6, an anti-skid jacking module 7, a bearing plate 71, an adjusting device 72, a lifting block 73, and a counter-pressure wheel 74 , Lifting wire frame 8, first C-shaped track pulley set 81, main beam slide frame 9, second C-shaped track pulley set 91, second electrical box 94, building interior wall 10.

detailed description

The present invention will be described in further detail below with reference to the embodiments and accompanying drawings, but the embodiments of the present invention are not limited thereto.

As shown in Figure 1-11:

A cantilever crane, comprising a hanging beam 1 installed at the top of an inner wall 10 of a building, a hanging point module 2, a main beam 3 located on the lower side of the hanging beam 1 and slidably connected to the hanging beam 1, and used to drive the main beam 3 to slide The main beam walking drive module 4, the lifting module 5 slidingly connected with the main beam 3, the suspended object 6 hanging at the lower end of the lifting module 5, the hanging beam 1 is fixed on the top of the building inner wall 10 through double-ended long studs , when the crane is not in use, the main beam 3 is driven to shrink by the main beam walking drive module 4, so that the main beam 3 shrinks into the building, when the crane is in use, the main beam walking drive module 4 drives the main beam 3 to extend out of the building , and then start the lifting module 5, drop the suspended object 6 to the ground, then place the high-end equipment to be installed on the suspended object 6, use the lifting module 5 to lift, and finally drive the main beam through the main beam walking drive module 4. The beam 3 shrinks, and then the lifting module 5 is used to drop the suspended object 6 to unload the high-end equipment;

The main beam 3 includes an upper slide rail 31 and a lower slide rail 32, and the inner side of the upper slide rail 31 has a chute;

The lifting point module 2 includes a horizontal wheel support 21 , a rear horizontal wheel support 22 , a front lifting point wheel 23 connected to the lower end of the horizontal wheel support 21 , a front horizontal wheel 25 , and a rear suspension connected to the lower end of the rear horizontal wheel support 22 . The point wheel 26 , the rear horizontal wheel 28 , the front hanging point wheel 23 and the rear hanging point wheel 26 are all rotatably connected with the lower end of the upper slide rail 31 , and a hanging point wheel 23 , The rear suspension wheel 26, on the one hand, converts the sliding friction when the upper slide rail 31 moves into rolling friction, so that the moving process of the upper slide rail 31 is smoother, and on the other hand, it ensures that one end of the upper slide rail 31 has sufficient supporting force The front horizontal wheel 25 and the rear horizontal wheel 28 are all active on the inside of the chute, and the front horizontal wheel 25 and the rear horizontal wheel 28 are added, so that the upper slide rail 31 is always kept horizontal, and the main beam 3 is guaranteed to be stable and not shake during the moving process.

Preferably, the main beam walking driving module 4 includes a counterweight 41 fixedly connected to the main beam 3 , a wheel set fixing plate 42 connected to the upper end of the counterweight 41 , a main beam driving motor 43 fixed on the wheel set fixing plate 42 , and the connecting The drive wheel 44 on the output shaft of the main beam drive motor 43 is located inside the suspension beam 1 and is rotatably connected with the suspension beam 1 .

Preferably, the end of the main beam 3 away from the hanging point module 2 is further provided with an anti-skid jacking module 7 , and the anti-slip jacking module 7 includes a bearing plate 71 , an adjustment device 72 fixed on the bearing plate 71 , and a lifting and lowering device located on the upper side of the adjustment device 72 . Block 73, the back pressure wheel 74 connected to the upper end of the lifting block 73, the upper end of the back pressure wheel 74 is in conflict with the lower end of the hanging beam 1, the height of the back pressure wheel 74 can be adjusted by the adjusting device 72, so that the back pressure wheel 74 is opposite to the hanging beam 1 The lower end always has an upward thrust, the cross section of the hanging beam 1 is an I-shaped structure, the driving wheel 44 and the counter-pressure wheel 74 are respectively located on the lower side and the inner side of the hanging beam 1, and the counter-pressure wheel 74 always pushes the lifting beam 1 upward, In addition, in order to enable the adjusting device 72 to automatically control the length of extension or contraction, a pressure sensor can be installed on the lifting block 73, and the pressure sensor can be used to monitor the back pressure wheel 74 in real time. The height of the back pressure wheel 74 can be precisely controlled, which ensures that the pressure on the back pressure wheel 74 is controlled within a certain range.

Preferably, one end of the counterweight 41 is further connected with an electric box bracket 45 , and the first electric box 46 is fixed on the electric box bracket 45 .

Preferably, a sliding wire frame 33 is further arranged between the upper sliding rail 31 and the lower sliding rail 32 , a plurality of lifting sliding wire frames 8 are slidably connected to the sliding wire frame 33 , and a first sliding wire frame 8 is slidingly connected to the lifting sliding wire frame 8 C-shaped track pulley set 81, the wires of the first electrical box 46 are laid on the first C-shaped track pulley set 81, and the tidying effect of the lifting carriage 8 on the wires of the first electrical box 46 can be used to prevent disordered wires.

Preferably, the hoisting module 5 includes a hoisting motor 51 , a hoisting rope 52 connected to the output shaft of the hoisting motor 51 , and a hoisting hook 53 connected to the bottom of the hoisting rope 52 , and the hanging object 6 is hung on the hoisting hook 53 .

Preferably, one side of the hanging beam 1 is further provided with a main beam sliding wire frame 9, a second C-shaped track pulley group 91 is slidably connected to the main beam sliding wire frame 9, and one end of the hoisting motor 51 is also connected with a second electrical box 94, The wires of the second electrical box 94 are laid on the second C-shaped track pulley group 91 .

Preferably, the suspended object 6 is a loading vehicle.

The above embodiment only expresses one embodiment of the present invention, and its description is relatively specific and detailed, but it should not be construed as a limitation on the patent scope of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can also be made, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention should be subject to the appended claims.

Claims

A cantilever crane, characterized in that it comprises a hoisting beam (1) installed at the top of an inner wall (10) of a building, a hoisting point module (2), a hoisting beam (1) located on the lower side of the hoisting beam (1) and connected to the hoisting beam (1). A main beam (3) slidingly connected to the beam (1), a main beam traveling drive module (4) for driving the main beam (3) to slide, and a hoisting module (5) slidingly connected to the main beam (3) ), hanging object (6) at the lower end of the hoisting module (5);

The main beam (3) comprises an upper slide rail (31) and a lower slide rail (32), and the inner side of the upper slide rail (31) is provided with a chute;

The lifting point module (2) comprises a front horizontal wheel support (21), a rear horizontal wheel support (22), a front lifting point wheel (23) connected to the lower end of the front horizontal wheel support (21), a front A horizontal wheel (25), a rear lifting point wheel (26) connected to the lower end of the rear horizontal wheel support (22), a rear horizontal wheel (28), the front lifting point wheel (23), the rear lifting point wheel ( 26) are both rotatably connected to the lower end of the upper slide rail (31), and the front horizontal wheel (25) and the rear horizontal wheel (28) are both movable inside the chute.
A cantilever crane according to claim 1, characterized in that the cross section of the hanging beam (1) is an I-shaped structure.
The cantilever crane according to claim 1, characterized in that, an anti-skid top tightening module (7) is further provided at one end of the main beam (3) away from the lifting point module (2), and the anti-skid top The tightening module (7) comprises a carrying plate (71), an adjusting device (72) fixed on the carrying plate (71), a lifting block (73) located on the upper side of the adjusting device (72), and a lifting block (73) connected to the adjusting device (72). A counter-pressure wheel (74) at the upper end of the lifting block (73), the upper end of the counter-pressure wheel (74) is in conflict with the lower end of the hanging beam (1).
The cantilever crane according to claim 1, characterized in that the main beam traveling drive module (4) comprises a counterweight (41) fixedly connected to the main beam (3), and is connected to the main beam (3). A wheel set fixing plate (42) at the upper end of the counterweight (41), a main beam drive motor (43) fixed on the wheel set fixing plate (42), and connected to the output shaft of the main beam drive motor (43) The driving wheel (44) is located inside the hanging beam (1) and is rotatably connected with the hanging beam (1).
The cantilever crane according to claim 4, characterized in that, one end of the counterweight (41) is further connected with an electric box bracket (45), and the electric box bracket (45) is fixed with the first electric box bracket (45). Box (46).
The cantilever crane according to claim 5, characterized in that a wire slide frame (33) is further provided between the upper slide rail (31) and the lower slide rail (32), and the wire slide frame ( 33) A plurality of hoisting carriages (8) are slidably connected to the top, and a first C-shaped track pulley group (81) is slidably connected to the hoisting carriages (8), and the first electrical box (46) The lead wire is laid on the first C-shaped track pulley group (81).
The cantilever crane according to claim 1, characterized in that the hoisting module (5) comprises a hoisting motor (51) and a hoisting rope connected to the output shaft of the hoisting motor (51). (52) A hook (53) connected to the bottom of the hanging rope (52), and the object (6) to be hung is hung on the hook (53).
The cantilever crane according to claim 7, characterized in that a main beam sliding wire frame (9) is further provided on one side of the hanging beam (1), and the main beam sliding wire frame (9) is arranged on the main beam sliding wire frame (9). A second C-shaped track pulley block (91) is slidably connected, one end of the hoisting motor (51) is also connected with a second electrical box (94), and the wires of the second electrical box (94) are laid on the second electrical box (94). on the C-type track pulley block (91).
A cantilever crane according to claim 1, characterized in that, the object to be lifted (6) is a loading vehicle.