CN212050281U

CN212050281U - High stability cantilever crane for building

Info

Publication number: CN212050281U
Application number: CN202020599658.XU
Authority: CN
Inventors: 朱文达; 李巍; 耿正涛
Original assignee: Yichang First Road Information Technology Co ltd
Current assignee: Yichang First Road Information Technology Co ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2020-12-01
Anticipated expiration: 2030-04-21

Abstract

The utility model discloses a high stability cantilever crane for building, including base, support piece, reinforcement and electric block, the both sides of base all are fixed with support piece, support piece includes hand wheel, lead screw and even board, the both sides of base all are constructed with the slot with even board adaptation, the four corners department of the bottom of base all is fixed with the brake roller, the top of base is fixed with reinforcement and pillar, the bottom of pillar runs through the reinforcement and is connected with the base, the top of pillar is fixed with the cantilever, the pillar is fixed with another group's reinforcement with the junction of cantilever, be fixed with the connecting piece on the pillar, the one end of cantilever is fixed with the box that is used for holding the balancing weight, the bottom mounting of cantilever has the slide rail, electric block's pulley and slide rail sliding connection. This high stability cantilever crane for building has improved holistic stability, has guaranteed the safety of lifting by crane in-process.

Description

High stability cantilever crane for building

Technical Field

The utility model belongs to the technical field of construction machinery, concretely relates to high stability cantilever crane for building.

Background

In recent years, with the rapid development of the construction industry, the development of cranes as important transportation machines is also faster and more, and the types of cranes are also more and more, wherein the cantilever crane is small and medium-sized hoisting equipment. When the existing cantilever crane works, the load is almost completely borne on the cantilever beam, and when the lifted heavy object is heavy, the crane has low stability and is easy to roll over.

Therefore, in order to meet the current situation, the design and production of a high-stability cantilever crane for construction are urgently needed to meet the requirement of practical use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high stability cantilever crane for building to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-stability cantilever crane for buildings comprises a base, supporting pieces, reinforcing pieces and an electric hoist, wherein the supporting pieces are fixed on two sides of the base, brake rollers are fixed at four corners of the bottom end of the base, the reinforcing pieces and a pillar are fixed at the top end of the base, and the bottom end of the pillar penetrates through the reinforcing pieces and is connected with the base;

a cantilever is fixed at the top end of the pillar, another group of reinforcing members are fixed at the joint of the pillar and the cantilever, and a connecting piece is fixed on the pillar;

the one end of cantilever is fixed with the box that is used for holding the balancing weight, the bottom mounting of cantilever has the slide rail, electric block's pulley and slide rail sliding connection.

Preferably, support piece includes hand wheel, lead screw and even board, the both sides of base all construct with the slot of even board adaptation, the four corners department on the top of base all set up with the screw of screw rod adaptation, two sets of the slot of a plurality of groups and screw rod adaptation is all seted up on the top of even board, four groups the top of screw rod all is fixed with the horizontal pole, and is two sets of the tip that the base was kept away from to even board all sets up two sets of screws with the lead screw adaptation, four groups the top of lead screw all is fixed with the hand wheel, four groups the bottom of lead screw all is fixed with the backing plate, and is two sets of the top and the bottom of even board all are fixed with two sets of screw sleeve with the lead screw.

Preferably, the reinforcing member comprises trapezoidal plates, a bottom plate and a sleeve, four groups of trapezoidal plates are fixed at the bottom end of the sleeve, the bottom ends of the four groups of trapezoidal plates are respectively fixed with the bottom plate, and through holes are formed in four corners of the four groups of bottom plates.

Preferably, the connecting piece includes fixture block, connecting rod and connecting block, be constructed in the connecting block with the logical groove of pillar adaptation, one side of connecting block is fixed with square pipe, the one end of connecting rod inserts in the square pipe, two sets of screws with the fastening bolt adaptation are seted up on the top of square pipe, the spacing groove of a plurality of groups and fastening bolt adaptation is seted up on the top of connecting rod, the one end that square pipe was kept away from to the connecting rod is fixed with the fixture block of U type, the screw with the locking bolt adaptation is all seted up to the both sides of fixture block and connecting block.

Preferably, the side wall of the pillar is provided with a plurality of groups of adjusting grooves matched with the locking bolts, and the pillar is welded with the base.

The utility model discloses a technological effect and advantage: according to the high-stability cantilever crane for the building, the two groups of connecting plates are pulled out, the bottom ends of the screw rods are screwed into the slots at the top ends of the connecting plates, the hand wheels are shaken to drive the screw rods to rotate, the screw rods push the base plates to move downwards, so that the base plates are in contact with the ground, and the stability of the base can be improved; the reinforcing members are fixed at the joints of the pillar, the cantilever and the base, so that the stability of the pillar and the cantilever can be improved; the high-stability cantilever crane for the building has the advantages that the overall stability is improved, and the safety in the hoisting process is ensured.

Drawings

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

fig. 2 is an enlarged view of the structure a in fig. 1 according to the present invention;

fig. 3 is a schematic structural diagram of the connecting member of the present invention.

In the figure: the device comprises a base 1, a support 2, a reinforcing member 3, a connecting plate 4, a trapezoidal plate 5, a bottom plate 6, a screw 7, a sleeve 8, a pillar 9, a connecting piece 10, a box body 11, a cantilever 12, a slide rail 13, an electric hoist 14, a clamping block 15, a locking bolt 16, a connecting rod 17, a square pipe 18, a fastening bolt 19, a hand wheel 20, a screw rod 21, a threaded sleeve 22 and a connecting block 23.

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.

Unless defined otherwise, all references to up, down, left, right, front, back, inner and outer directions herein are to be interpreted as referring to up, down, left, right, front, back, inner and outer directions in the drawings to which the invention is applied, and all references are hereby incorporated herein by reference.

The utility model provides a high stability cantilever crane for building as shown in fig. 1-3, including base 1, support piece 2, reinforcement 3 and electric block 14, support piece 2 is all fixed on the both sides of base 1, the four corners department of the bottom of base 1 all is fixed with the brake gyro wheel through the bolt, the top of base 1 is fixed with reinforcement 3 and pillar 9, the bottom of pillar 9 runs through reinforcement 3 and is connected with base 1;

a cantilever 12 is welded at the top end of the pillar 9, another group of reinforcing members 3 are fixed at the joint of the pillar 9 and the cantilever 12 through bolts, and a connecting piece 10 is fixed on the pillar 9;

the welding of the one end of cantilever 12 has the box 11 that is used for holding the balancing weight, the welding of the bottom of cantilever 12 has slide rail 13, electric block 14's pulley and slide rail 13 sliding connection, electric block 14 adopts the last electric block commonly used of hoisting machinery.

Specifically, the support member 2 comprises a hand wheel 20, a screw rod 21 and a connecting plate 4, slots matched with the connecting plate 4 are constructed on two sides of the base 1, screw holes matched with the screw rods 7 are formed in four corners of the top end of the base 1, a plurality of groups of slots matched with the screw rods 7 are formed in the top ends of the connecting plates 4, cross rods are welded on the top ends of the screw rods 7, two groups of screw holes matched with the screw rods 21 are formed in the end portions, far away from the base 1, of the connecting plates 4, hand wheels 20 are welded on the top ends of the screw rods 21, backing plates are welded on the bottom ends of the screw rods 21, the two groups of connecting plates 4 are taken out, the bottom ends of the screw rods 7 are screwed into the slots in the top ends of the connecting plates 4, the hand wheels 20 are shaken, the hand wheels 20 drive the screw rods 21 to rotate, the screw rods 21 push the backing plates, two sets of threaded sleeve 22 with the adaptation of lead screw 21 is all welded to the top and the bottom of even board 4, can improve the stability of lead screw 21.

Specifically, reinforcement 3 includes trapezoidal plate 5, bottom plate 6 and sleeve pipe 8, the bottom welding of sleeve pipe 8 has four groups trapezoidal plate 5, four groups bottom of trapezoidal plate 5 all has welded bottom plate 6, four groups the through-hole has all been seted up to the four corners department of bottom plate 6, and pillar 9 is fixed with reinforcement 3 with cantilever 12 and base 1's junction, can improve pillar 9 and cantilever 12's stability.

Specifically, the connecting piece 10 includes a clamping block 15, a connecting rod 17 and a connecting block 23, a through groove adapted to the pillar 9 is constructed in the connecting block 23, a square pipe 18 is welded on one side of the connecting block 23, one end of the connecting rod 17 is inserted into the square pipe 18, two groups of screw holes adapted to the fastening bolts 19 are formed in the top end of the square pipe 18, a plurality of groups of limiting grooves adapted to the fastening bolts 19 are formed in the top end of the connecting rod 17, a U-shaped clamping block 15 is welded on one end of the connecting rod 17 far away from the square pipe 18, screw holes adapted to the locking bolts 16 are formed in both sides of the clamping block 15 and the connecting block 23, the connecting block 23 is slid and the locking bolts 16 on both sides of the connecting block 23 are screwed, so that the connecting block 23 can be fixed, the connecting rod 17 is pulled and the clamping block 15 is clamped to mechanical equipment or building structures, the drawknot can be formed between the support 9 and mechanical equipment or between the support 9 and a building structure, and the probability of the whole dumping of the crane is greatly reduced.

Specifically, a plurality of groups of adjusting grooves matched with the locking bolts 16 are formed in the side wall of the support column 9, and the support column 9 is welded with the base 1.

The high-stability cantilever crane for the building has the working principle that after the base 1 is moved to an area where a heavy object needs to be lifted, the brake roller is locked, the two groups of connecting plates 4 are pulled out, the bottom ends of the screw rods 7 are screwed into the inserting grooves in the top ends of the connecting plates 4, the hand wheel 20 is shaken to drive the screw rods 21 to rotate, the screw rods 21 push the base plates to move downwards, so that the base plates are in contact with the ground, the stability of the base 1 can be improved, the connecting rods 17 are pulled and the clamping blocks 15 are clamped on mechanical equipment or a building structure, the locking bolts 16 on two sides of the clamping blocks 15 and the fastening bolts 19 on the top ends of the square pipes 18 are screwed, so that a tie can be formed between the support columns 9 and the mechanical equipment or between the support columns 9 and the building structure.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a high stability cantilever crane for building, includes base (1), support piece (2), reinforcement (3) and electric block (14), its characterized in that: the brake device is characterized in that supporting pieces (2) are fixed on two sides of the base (1), brake rollers are fixed at four corners of the bottom end of the base (1), a reinforcing piece (3) and a strut (9) are fixed at the top end of the base (1), and the bottom end of the strut (9) penetrates through the reinforcing piece (3) and is connected with the base (1);

a cantilever (12) is fixed at the top end of the strut (9), another group of reinforcing members (3) are fixed at the joint of the strut (9) and the cantilever (12), and a connecting member (10) is fixed on the strut (9);

the one end of cantilever (12) is fixed with box (11) that are used for holding the balancing weight, the bottom mounting of cantilever (12) has slide rail (13), the pulley and slide rail (13) sliding connection of electric block (14).

2. The high-stability cantilever crane for construction according to claim 1, wherein: support piece (2) include hand wheel (20), lead screw (21) and link board (4), the both sides of base (1) all are constructed with and link the slot of board (4) adaptation, the four corners department on the top of base (1) all sets up the screw with screw rod (7) adaptation, and are two sets of link the top of board (4) all sets up the slot of a plurality of groups and screw rod (7) adaptation, four groups the top of screw rod (7) all is fixed with the horizontal pole, and is two sets of link the tip of board (4) keeping away from base (1) all sets up the screw of two sets of and lead screw (21) adaptation, four groups the top of lead screw (21) all is fixed with hand wheel (20), four groups the bottom of lead screw (21) all is fixed with the backing plate, and two sets of link the top and the bottom of board (4) all be fixed with two sets of threaded sleeve (22) with lead screw (21) adaptation.

3. The high-stability cantilever crane for construction according to claim 1, wherein: reinforcing member (3) include trapezoidal plate (5), bottom plate (6) and sleeve pipe (8), the bottom mounting of sleeve pipe (8) has four groups trapezoidal plate (5), four groups the bottom of trapezoidal plate (5) all is fixed with bottom plate (6), four groups the through-hole has all been seted up to the four corners department of bottom plate (6).

4. The high-stability cantilever crane for construction according to claim 1, wherein: connecting piece (10) include fixture block (15), connecting rod (17) and connecting block (23), the structure has the logical groove with pillar (9) adaptation in connecting block (23), one side of connecting block (23) is fixed with square pipe (18), the one end of connecting rod (17) is inserted in square pipe (18), two sets of screw with fastening bolt (19) adaptation are seted up on the top of square pipe (18), the spacing groove of a plurality of groups and fastening bolt (19) adaptation is seted up on the top of connecting rod (17), the one end that square pipe (18) were kept away from in connecting rod (17) is fixed with fixture block (15) of U type, the screw with locking bolt (16) adaptation is all seted up to the both sides of fixture block (15) and connecting block (23).

5. The high-stability cantilever crane for construction according to claim 1, wherein: the side wall of the pillar (9) is provided with a plurality of groups of adjusting grooves matched with the locking bolts (16), and the pillar (9) is welded with the base (1).