CN212832426U

CN212832426U - Crane boom for construction site

Info

Publication number: CN212832426U
Application number: CN202021325749.0U
Authority: CN
Inventors: 严刚; 孙树安
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2021-03-30
Anticipated expiration: 2030-07-08

Abstract

The utility model relates to the technical field of cranes, and discloses a crane jib for construction sites, which comprises a cross beam, wherein support columns are bolted on two sides of the bottom of the cross beam, a fixed block is arranged at the top of the cross beam, connecting rods are bolted on two sides of the fixed block, the other end of each connecting rod is bolted with the cross beam, a support rod is bolted on the bottom of the fixed block, the bottom of the support rod is bolted with the cross beam, and a limit rod is bolted on the bottom of the cross beam; the utility model discloses a setting of crossbeam, support column, fixed block, connecting rod, bracing piece, gag lever post, spacing bearing, dwang, fixing bearing and first belt pulley has solved current small-size bridge crane cantilever crane simple structure for construction, the relatively poor problem of stable nature, and the device possesses good stability, and when hoisting heavier object, has avoided appearing cracked danger to the practicality of the device has been improved.

Description

Crane boom for construction site

Technical Field

The utility model relates to a hoist technical field specifically is a crane jib for building site.

Background

The bridge crane is a hoisting device which is transversely arranged above workshops, warehouses and stockyards to hoist materials. Since its two ends are seated on a tall concrete column or a metal bracket, it is shaped like a bridge. The bridge frame of the bridge crane runs longitudinally along the rails laid on the elevated frames at two sides, so that the space below the bridge frame can be fully utilized to hoist materials without being hindered by ground equipment. The lifting machine has the widest application range and the largest quantity. However, the existing small-sized bridge crane boom for construction is simple in structure and poor in stability, when a heavy object is hoisted, the danger of breakage is easy to occur, and in order to solve the problems, the crane boom for the construction site is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a crane jib for building site possesses the good advantage of stability, has solved current construction with small-size bridge crane jib simple structure, the relatively poor problem of stable nature.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a crane boom for building site, includes the crossbeam, the equal bolt in both sides of crossbeam bottom has the support column, the top of crossbeam is provided with the fixed block, the equal bolt in both sides of fixed block has the connecting rod, the other end and the crossbeam bolt of connecting rod, the bottom bolt of fixed block has the bracing piece, the bottom and the crossbeam bolt of bracing piece, the bottom bolt of crossbeam has the gag lever post, the bottom bolt of gag lever post has spacing bearing, the dwang has been cup jointed to the inside of spacing bearing, fixing bearing has all been cup jointed at the both ends of dwang, fixing bearing's surface and support column bolt, first belt pulley has been cup jointed to the one end of dwang.

Preferably, the surface of the rotating rod is sleeved with two winding wheels, the surface of each winding wheel is wound with a steel wire rope, and one end of each steel wire rope is bolted with a limiting hook.

Preferably, the bottom of the support column is bolted with a bottom plate, the front and the back of the support column are both bolted with reinforcing rods, and the other end of each reinforcing rod is bolted with the bottom plate.

Preferably, both sides of the bottom plate are bolted with universal wheels, and the universal wheels are provided with locking devices.

Preferably, the top of bottom plate bolt has the motor, the output of motor has cup jointed the second belt pulley, the surface cover of second belt pulley is equipped with the belt, the surface of second belt pulley passes through the belt and is connected with first belt pulley rotation.

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

the utility model discloses a setting of crossbeam, support column, fixed block, connecting rod, bracing piece, gag lever post, spacing bearing, dwang, fixing bearing and first belt pulley has solved current small-size bridge crane cantilever crane simple structure for construction, the relatively poor problem of stable nature, and the device possesses good stability, and when hoisting heavier object, has avoided appearing cracked danger to the practicality of the device has been improved.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a side view of the present invention;

fig. 3 is a partially enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a cross beam; 2. a support pillar; 3. a fixed block; 4. a connecting rod; 5. a support bar; 6. a limiting rod; 7. a limit bearing; 8. rotating the rod; 9. fixing the bearing; 10. a winding wheel; 11. a wire rope; 12. a limiting hook; 13. a base plate; 14. a reinforcing rod; 15. a universal wheel; 16. a first pulley; 17. a motor; 18. a second pulley; 19. a belt.

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.

Please refer to fig. 1-3, a crane boom for construction site comprises a beam 1, support columns 2 are bolted on two sides of the bottom of the beam 1, a fixed block 3 is arranged on the top of the beam 1, connecting rods 4 are bolted on two sides of the fixed block 3, the other end of each connecting rod 4 is bolted with the beam 1, a support rod 5 is bolted on the bottom of the fixed block 3, the bottom of the support rod 5 is bolted with the beam 1, a limit rod 6 is bolted on the bottom of the beam 1, a limit bearing 7 is bolted on the bottom of the limit rod 6, a rotating rod 8 is sleeved inside the limit bearing 7, fixed bearings 9 are sleeved on two ends of the rotating rod 8, the surfaces of the fixed bearings 9 are bolted with the support columns 2, and a first belt pulley 16 is sleeved on one end of the rotating rod 8.

Further, two winding wheels 10 are sleeved on the surface of the rotating rod 8, a steel wire rope 11 is wound on the surface of each winding wheel 10, one end of each steel wire rope 11 is bolted with a limiting hook 12, and the steel wire ropes can be effectively connected with objects by arranging the limiting hooks 12.

Furthermore, the bottom of the support column 2 is bolted with a bottom plate 13, the front and the back of the support column 2 are all bolted with reinforcing rods 14, the other ends of the reinforcing rods 14 are bolted with the bottom plate 13, and the stability of the support column 2 can be effectively enhanced by arranging the reinforcing rods 14.

Further, the universal wheels 15 are bolted to the two sides of the bottom plate 13, the locking devices are mounted on the universal wheels 15, and the device can be moved by a user conveniently by arranging the universal wheels 15.

Further, motor 17 has been bolted on the top of bottom plate 13, and second belt pulley 18 has been cup jointed to the output of motor 17, and the surface cover of second belt pulley 18 is equipped with belt 19, and belt 19 is passed through to the surface of second belt pulley 18 and first belt pulley 16 rotates and is connected, through setting up motor 17, can effectively drive wind-up wheel 10 and rotate.

The working principle is as follows: the user can articulate object and spacing hook 12, and starter motor 17 drives second belt pulley 18 afterwards and rotates, and second belt pulley 18 drives first belt pulley 16 through belt 19's cooperation afterwards and rotates, makes first belt pulley 16 drive dwang 8 through the cooperation of fixing bearing 9 and spacing bearing 7 and rotates, and later dwang 8 drives wind-up pulley 10 and carries out the rolling to wire rope 11 to can hang up the object.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 crane boom for building site, includes crossbeam (1), its characterized in that: support columns (2) are bolted on two sides of the bottom of the cross beam (1), a fixed block (3) is arranged at the top of the cross beam (1), the two sides of the fixed block (3) are bolted with connecting rods (4), the other ends of the connecting rods (4) are bolted with the cross beam (1), the bottom of the fixed block (3) is bolted with a support rod (5), the bottom of the support rod (5) is bolted with the cross beam (1), the bottom of the cross beam (1) is bolted with a limiting rod (6), the bottom of the limiting rod (6) is bolted with a limiting bearing (7), a rotating rod (8) is sleeved in the limiting bearing (7), fixed bearings (9) are sleeved at both ends of the rotating rod (8), the surface of the fixed bearing (9) is bolted with the support column (2), and one end of the rotating rod (8) is sleeved with a first belt pulley (16).

2. The crane boom for construction sites according to claim 1, wherein: two winding wheels (10) are sleeved on the surface of the rotating rod (8), a steel wire rope (11) is wound on the surface of each winding wheel (10), and one end of each steel wire rope (11) is bolted with a limiting hook (12).

3. The crane boom for construction sites according to claim 1, wherein: the bottom of the support column (2) is bolted with a bottom plate (13), the front and the back of the support column (2) are both bolted with reinforcing rods (14), and the other end of each reinforcing rod (14) is bolted with the bottom plate (13).

4. The crane boom for construction sites according to claim 3, wherein: and universal wheels (15) are bolted to two sides of the bottom plate (13), and locking devices are installed on the universal wheels (15).

5. The crane boom for construction sites according to claim 3, wherein: the top bolt of bottom plate (13) has connect motor (17), second belt pulley (18) have been cup jointed to the output of motor (17), the surface cover of second belt pulley (18) is equipped with belt (19), the surface of second belt pulley (18) is passed through belt (19) and is connected with first belt pulley (16) rotation.