CN110668332A

CN110668332A - High stability cantilever crane for building

Info

Publication number: CN110668332A
Application number: CN201810706712.3A
Authority: CN
Inventors: 不公告发明人
Original assignee: Hefei Hengqian Information Technology Co Ltd
Current assignee: Hefei Hengqian Information Technology Co Ltd
Priority date: 2018-07-02
Filing date: 2018-07-02
Publication date: 2020-01-10

Abstract

The invention relates to the technical field of construction machinery, in particular to a high-stability cantilever crane for buildings, which comprises a base, wherein an upright post is fixedly arranged on the base, a first cross beam is movably sleeved at the top end of the upright post towards one side, a support frame is fixedly welded at the bottom of the first cross beam close to one side of the upright post, a circle of first track is laid on the side wall of the upright post corresponding to the bottom of the support frame, a first pulley is connected onto the first track in a sliding manner, the other end of the first pulley is fixedly connected with one side of the bottom of the support frame close to the first track, a motor for driving the support frame to rotate around the first track is fixedly arranged at the bottom of the support frame, and a slide rail is. This equipment has the second crossbeam of balancing weight and sets up the safety catch in first crossbeam one end through reverse setting, has improved stability, prevents that the heavy object from leading to turning on one's side or the cantilever fracture when overweight, takes place the potential safety hazard.

Description

High stability cantilever crane for building

Technical Field

The invention relates to the technical field of construction machinery, in particular to a high-stability cantilever crane for buildings.

Background

In recent years, with the rapid development of the building industry, the development of cranes as important transportation machines is faster and faster, and the types of cranes are more and more, wherein the cantilever crane is a small and medium-sized hoisting device, has the characteristics of unique structure, safety, reliability, high efficiency, energy conservation, time and labor conservation, flexibility and the like, and particularly has superiority compared with other conventional transportation equipment in short-distance and intensive transportation occasions, so that the cantilever crane is widely applied.

When the existing cantilever crane works, because the borne weight is almost on the cantilever beam, when the lifted heavy object is heavy, the stability is low, rollover or cantilever fracture is easy to occur, and potential safety hazards are caused.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provide a high-stability cantilever crane for buildings, which is low in stability.

In order to achieve the purpose, the invention adopts the following technical scheme:

the design is a high-stability cantilever crane for buildings, which comprises a base, wherein an upright post is fixedly installed on the base, a first cross beam is movably sleeved at the top end of the upright post towards one side, a support frame is fixedly welded at the bottom of the first cross beam close to one side of the upright post, a circle of first track is laid on the side wall of the upright post corresponding to the bottom of the support frame, a first pulley is connected onto the first track in a sliding manner, the other end of the first pulley is fixedly connected with one side of the bottom of the support frame close to the first track, a motor for driving the support frame to rotate around the first track is fixedly installed at the bottom of the support frame, a slide rail is laid at the bottom of the first cross beam, a winch is connected onto the slide rail in a sliding manner, a lifting hook is installed at the bottom of a lifting rope of the winch, a second cross beam is fixedly welded at the top end of the joint of the first cross, the welding of the one end that first crossbeam is close to the stand has the safety to detain, the other end sliding connection of safety detaining is on the lateral wall of stand.

Preferably, a circle of second track is laid at a position corresponding to the bottom of the safety buckle on the side wall of the stand column, a second pulley is connected to the second track in a sliding mode, a female ring is fixedly connected to the other end of the second pulley, a secondary ring is fixedly connected to the bottom of the safety buckle, and the secondary ring is fixedly connected with the female ring.

Preferably, the base bottom evenly installs the truckle, the base bottom is located evenly to have seted up four recesses around the truckle, four equal fixed mounting has hydraulic column in the recess.

Preferably, the safety buckle and the second cross beam are arranged in the same direction, and the two ends of the sliding rail of the first cross beam are provided with limiting blocks.

Preferably, the sliding rails on two sides of the winch are provided with sliding blocks, the bottom end of each sliding block is fixedly provided with a fixed pulley, a rope is arranged in each fixed pulley in a winding mode, the other end of each rope is fixedly connected with the bottom end of a lifting rope of the winch, and the fixed pulleys are internally provided with pre-tightening devices.

Preferably, auxiliary supporting rods are installed on two sides of the bottom of the stand column, and the other ends of the auxiliary supporting rods are fixedly connected with the bases on two sides of the stand column respectively.

The high-stability cantilever crane for the building, provided by the invention, has the beneficial effects that:

1. this equipment has the second crossbeam of balancing weight and sets up the safety catch in first crossbeam one end through reverse setting, has improved stability, prevents that the heavy object from leading to turning on one's side or the cantilever fracture when overweight, takes place the potential safety hazard.

2. The equipment is provided with the fixed pulleys with the pre-tightening devices in a sliding mode on two sides of the winch, one ends of the ropes on the fixed pulleys are fixed with the lifting ropes, and when the lifting ropes are broken due to overweight of heavy objects, the ropes are clamped tightly to prevent the heavy objects from falling.

Drawings

FIG. 1 is a schematic structural view of a high-stability cantilever crane for construction according to the present invention;

FIG. 2 is an enlarged view of the structure of the area A in FIG. 1;

fig. 3 is an enlarged schematic view of the structure of the region B in fig. 1.

In the figure: the device comprises a base 1, a vertical column 2, a first beam 3, casters 4, a hydraulic column 5, an auxiliary support rod 6, a support frame 7, a first track 8, a motor 9, a slide rail 10, a winch 11, a lifting hook 12, a limiting block 13, a second beam 14, a counterweight 15, a safety buckle 16, a first pulley 17, a second track 18, a second pulley 19, a female ring 20, a male ring 21, a sliding block 22, a fixed pulley 23 and a rope 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, a high-stability cantilever crane for construction comprises a base 1, an upright post 2 is fixedly installed on the base 1, a first beam 3 is movably sleeved on the top end of the upright post 2 towards one side, a support frame 7 is fixedly welded on the bottom of the first beam 3 close to one side of the upright post 2 for supporting the first beam 3 and preventing the cantilever from inclining when the transported articles are too heavy, a circle of first track 8 is laid on the side wall of the upright post 2 corresponding to the bottom of the support frame 7, a first pulley 17 is slidably connected on the first track 8, the other end of the first pulley 17 is fixedly connected with the bottom of the support frame 7 close to one side of the first track 8, a motor 9 for driving the support frame 7 to rotate around the first track 8 is fixedly installed at the bottom end of the support frame 7, the motor 9 is meshed through a gear ring to drive the bottom of the support frame 7 to rotate around, sliding connection has hoist engine 11 on slide rail 10, lifting hook 12 is installed to hoist engine 11's lifting rope bottom, hoist engine 11 control lifting hook 12 up-and-down motion promotes the heavy object, the top of first crossbeam 3 and stand 2 junction has second crossbeam 14 to first crossbeam 3 reverse fixed welding, the bottom fixedly connected with balancing weight 15 of first crossbeam 3 one end is kept away from to second crossbeam 14, the power of receiving when being used for balanced first crossbeam 3 to bear the weight of the heavy object, prevent that the heavy object from overweight and leading to turning on one's side, first crossbeam 3 is close to the one end welding of stand 2 has safety buckle 16, the other end sliding connection of safety buckle 16 is on the lateral wall of stand 2, safety buckle 16 further prevents to bear the heavy object overweight on the first crossbeam 3, lead to first crossbeam 3 fracture, the potential safety hazard takes place.

Furthermore, a circle of second rail 18 is laid on the side wall of the upright post 2 at a position corresponding to the bottom of the safety buckle 16, the second rail 18 is connected with a second pulley 19 in a sliding manner, the other end of the second pulley 19 is fixedly connected with a female ring 20, the bottom of the safety buckle 16 is fixedly connected with a secondary ring 21, and the secondary ring 21 is fixedly connected with the female ring 20.

Furtherly, truckle 4 is evenly installed to base 1 bottom, is convenient for remove, and four recesses have evenly been seted up around base 1 bottom lies in truckle 4, and equal fixed mounting has hydraulic column 5 in four recesses, and during the jack-up, hydraulic column 5 extension supports whole equipment, makes truckle 4 unsettled, prevents that truckle 4 from being leaded to damaging by the heavy load.

Further, the safety buckle 16 and the second beam 14 are arranged in the same direction, and the two ends of the slide rail 10 of the first beam 3 are both provided with the limiting blocks 13.

Further, the sliding rails 10 on two sides of the winch 11 are both provided with the sliding blocks 22, the bottom end of each sliding block 22 is fixedly provided with the fixed pulley 23, the fixed pulley 23 is internally provided with the rope 24 in a winding manner, the other end of the rope 24 is fixedly connected with the bottom end of the lifting rope of the winch 11, the fixed pulley 23 is internally provided with the pre-tightening device (not shown in the figure), the pre-tightening device is the prior art, and when the lifting rope breaks suddenly due to the overweight of the lifted heavy object, the rope 24 is tightly clamped by the pre-tightening device in the fixed pulley 23, so that the heavy object is prevented.

Further, auxiliary support rods 6 are installed on two sides of the bottom of the upright post 2, and the other ends of the auxiliary support rods 6 are fixedly connected with the bases 1 on two sides of the upright post 2 respectively.

The working principle is as follows: this equipment during operation, at first remove the hoist to required operating position through

truckle

4, 5 extensions of hydraulic pressure post support jack-up with the hoist, crush truckle 4 when preventing to lift by crane the heavy object, 7 bottoms of motor 9 drive support frame are rotatory to required position around first track 8, hoist engine 11 slides to the heavy object top on slide rail 10, alright begin the jack-up work, 3 tops of first crossbeam are reverse to set up second crossbeam 14, and second crossbeam 14 bottom connection balancing weight 15, the power of receiving when being used for balanced first crossbeam 3 to bear the weight, prevent that the heavy object from leading to turning on one's side excessively, 3 one end of first crossbeam sets up safety catch 16, further prevent that the heavy object from leading to first crossbeam 3 fracture on the basis of support frame 7, whole structural stability strengthens greatly. Fixed pulleys 23 with pre-tightening devices are arranged on two sides of the winch 1 in a sliding mode, one ends of ropes on the fixed pulleys 23 are fixed with the lifting ropes, and when the lifting ropes are broken due to overweight of heavy objects, the ropes 24 are tightly clamped to prevent the heavy objects from falling.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The high-stability cantilever crane for the building comprises a base (1), wherein a stand column (2) is fixedly mounted on the base (1), a first cross beam (3) is movably sleeved on the top end of the stand column (2) to one side, the high-stability cantilever crane is characterized in that a support frame (7) is fixedly welded on one side, close to the stand column (2), of the bottom of the first cross beam (3), a circle of first track (8) is laid on the side wall of the stand column (2) at a position corresponding to the bottom of the support frame (7), a first pulley (17) is connected onto the first track (8) in a sliding mode, the other end of the first pulley (17) is fixedly connected with one side, close to the first track (8), of the bottom of the support frame (7), a motor (9) for driving the support frame (7) to rotate around the first track (8) is fixedly mounted at the bottom of the support frame (7), a sliding, sliding connection has hoist engine (11) on slide rail (10), lifting hook (12) are installed to the lifting rope bottom of hoist engine (11), the top of first crossbeam (3) and stand (2) junction has second crossbeam (14) to first crossbeam (3) fixed welding in the opposite direction, the bottom fixedly connected with balancing weight (15) of first crossbeam (3) one end are kept away from in second crossbeam (14), the one end welding that first crossbeam (3) are close to stand (2) has safety buckle (16), the other end sliding connection of safety buckle (16) is on the lateral wall of stand (2).

2. The high-stability cantilever crane for the building according to claim 1, wherein a circle of second rail (18) is laid on the side wall of the upright column (2) at a position corresponding to the bottom of the safety buckle (16), the second rail (18) is slidably connected with a second pulley (19), the other end of the second pulley (19) is fixedly connected with a female ring (20), the bottom of the safety buckle (16) is fixedly connected with a secondary ring (21), and the secondary ring (21) is fixedly connected with the female ring (20).

3. The high-stability cantilever crane for the building according to claim 1, wherein the casters (4) are uniformly installed at the bottom of the base (1), four grooves are uniformly formed at the bottom of the base (1) around the casters (4), and the hydraulic columns (5) are fixedly installed in the four grooves.

4. The high-stability cantilever crane for the building according to claim 1, wherein the safety buckle (16) and the second beam (14) are arranged in the same direction, and the two ends of the sliding rail (10) of the first beam (3) are provided with the limiting blocks (13).

5. The cantilever crane with high stability for buildings according to claim 1, wherein the sliding rails (10) at both sides of the hoist (11) are respectively provided with a sliding block (22), the bottom end of the sliding block (22) is fixedly provided with a fixed pulley (23), the fixed pulley (23) is internally provided with a rope (24) in a rolling manner, the other end of the rope (24) is fixedly connected with the bottom end of the lifting rope of the hoist (11), and the fixed pulley (23) is internally provided with a pre-tightening device.

6. The high-stability cantilever crane for the building according to claim 1, wherein the auxiliary support rods (6) are installed on both sides of the bottom of the upright column (2), and the other ends of the auxiliary support rods (6) are respectively and fixedly connected with the bases (1) on both sides of the upright column (2).