CN215326594U

CN215326594U - Dead-lock structure is prevented in tower crane installation

Info

Publication number: CN215326594U
Application number: CN202120594762.4U
Authority: CN
Inventors: 牛春光; 颜峰; 王科; 高卓; 王俊
Original assignee: China Construction Second Engineering Bureau Co Ltd
Current assignee: China Construction Second Engineering Bureau Co Ltd
Priority date: 2021-03-24
Filing date: 2021-03-24
Publication date: 2021-12-28
Anticipated expiration: 2031-03-24

Abstract

The utility model discloses an anti-locking structure for tower crane installation, which comprises a support frame, an electric telescopic rod and a motor, wherein the lower end of the support frame is fixedly connected with a fixed plate, the right end of a base is connected to a building body in a clamping manner, the middle part and the upper end of the left side of the building body are both connected with the support frame through a balance rod in a bolt manner, the outer surface of the lower end of the support frame is fixed with the fixed plate through a stabilizing rib in a bolt manner, the upper end of a rotary platform is rotatably connected with a machine room, the right side of a worm wheel is connected with a worm, the middle part of the worm wheel is fixedly connected with a rotating shaft, the gear is rotatably connected with the lower end in the rotary platform, and the output end of the electric telescopic rod is fixedly connected with a limiting block. This dead lock structure is prevented in tower crane installation when using the tower crane, avoids appearing the dead lock phenomenon, influences the use to and the convenience carries out stable support installation to the tower crane, also conveniently installs fixedly the base of tower crane simultaneously.

Description

Dead-lock structure is prevented in tower crane installation

Technical Field

The utility model relates to the technical field of tower cranes, in particular to an anti-lock structure for tower crane installation.

Background

The existing large-span high-altitude construction operation platform is more intense in the prior art for quickly erecting, being economical and reasonable and meeting the requirement of inserting construction below, the ground is often adopted for erecting a full-space frame body for construction in the domestic existing large-span daylighting roof construction, and the reference of the Chinese utility model with the authorization bulletin number of CN206971691U discloses a tower crane installation structure which is provided with a tower crane installation embedded part at the maximum structural strength of a beam column node, and is connected with a beam plate main rib of a main body structure by arranging a reinforcing connecting part, and a shear key is further arranged to strengthen the tower crane installation embedded part so as to meet the required strength of beam plate main rib installation; so that a tower crane installation structure with stable structure and high strength for tower crane installation is formed.

However, when current tower crane installation uses, the easy dead lock phenomenon that appears influences the use to and inconvenient carry out stable support installation to the tower crane, also inconvenient the base to the tower crane is installed fixedly simultaneously, for this we have proposed a tower crane installation anti-lock dead structure, is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an anti-locking structure for tower crane installation, which aims to solve the problems that the existing tower crane provided by the background art is easy to be locked, the use is influenced, the stable supporting and installation of the tower crane is inconvenient, and the base of the tower crane is inconvenient to be installed and fixed.

In order to achieve the purpose, the utility model provides the following technical scheme: an anti-lock structure for tower crane installation comprises a support frame, an electric telescopic rod and a motor, wherein the lower end of the support frame is fixedly connected with a fixed plate, the fixed plate is fixedly connected to the upper surface of a base through bolts, the right end of the base is clamped and connected to a building body, the middle part and the upper end of the left side of the building body are both connected with the support frame through balance rods, the outer surface of the lower end of the support frame is fixed with the fixed plate through bolts through stabilizing ribs, the upper end of the support frame is fixedly connected with a rotary platform, the upper end of the rotary platform is rotatably connected with a machine room, a worm wheel is fixedly connected to the inner part of the lower end of the machine room, the right side of the worm wheel is connected with a worm, the front end of the worm is fixedly connected with the motor through bolts, the middle part of the worm wheel is fixedly connected with a rotating shaft, the lower end of the rotating shaft is fixedly connected with a gear, the gear is rotatably connected to the lower end in the inner part of the rotary platform, and the left and right sides of the gear are all connected with electric telescopic handle, electric telescopic handle's output end fixedly connected with stopper, and the outside of stopper all through connection has the gag lever post, the surface cover of gag lever post is equipped with the spring, the upper end erection joint of machine room has the top of the tower, and the equal fixedly connected with jib loading boom of the lower extreme left and right sides at the top of the tower, the left end fixedly connected with balancing weight of jib loading boom, and the lower extreme sliding connection of jib loading boom has the hook that falls, the equal fixedly connected with pull rod of the upper end left and right sides at the top of the tower, and the lower extreme fixed connection of pull rod is on the upper surface of jib loading boom.

Preferably, the cross section of the base is of a concave structure, the base and the building body form a detachable structure through bolts, and the size of the upper surface of the base is larger than the size of the cross section area of the fixing plate.

Preferably, the stabilizing ribs are obliquely arranged on the outer surface of the support frame, and the machine room forms a rotating structure at the upper end of the support frame through the rotating platform.

Preferably, the pull rod and the tower top form a triangular structure, and a welding integrated structure is formed between the tower top and the machine room.

Preferably, the gear forms a rotating structure inside the rotary platform through a worm wheel and a worm, and the worm wheel and the worm are connected in a meshing manner.

Preferably, the limiting block is of a T-shaped structure, the limiting block forms a telescopic structure in the rotary platform through the limiting rod, and the limiting block and the gear are connected in a meshed mode.

Compared with the prior art, the utility model has the beneficial effects that: the tower crane is provided with the anti-locking structure, so that when the tower crane is used, the locking phenomenon is avoided, the use is influenced, the tower crane is conveniently and stably supported and installed, and meanwhile, the base of the tower crane is also conveniently and fixedly installed;

1. the building body is fixedly connected with the supporting frame through the balancing rod, so that the supporting frame is convenient to stabilize and is prevented from being askew and swayed;

2. the crane boom is provided with the worm wheel and the worm, and the worm wheel are meshed and connected, so that the worm wheel can be conveniently adjusted to rotate on the rotary platform, the rotation angle of a machine room can be conveniently adjusted, the crane boom can be conveniently stably rotated, and the crane boom is convenient to use;

3. be equipped with stopper and electric telescopic handle, the stopper passes through electric telescopic handle and constitutes extending structure on the gag lever post to be convenient for carry out spacing block to the gear, control the rotation of machine room, the automatic flexible regulation of stopper avoids appearing the dead phenomenon of lock simultaneously, avoids influencing the use.

Drawings

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

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic top sectional view of the rotary platform and gear connection of the present invention;

FIG. 4 is a schematic view of a sectional top view of the housing and the shaft of the present invention;

fig. 5 is a schematic view of the overall structure of the base of the present invention.

In the figure: 1. a support frame; 2. a base; 3. stabilizing the ribs; 4. a balancing pole; 5. a building body; 6. the tower top; 7. a cargo boom; 8. lifting off the hook; 9. a pull rod; 10. a balancing weight; 11. a rotating platform; 12. a machine room; 13. a worm gear; 14. a worm; 15. a gear; 16. an electric telescopic rod; 17. a rotating shaft; 18. a spring; 19. a limiting rod; 20. a limiting block; 21. a motor; 22. and (7) fixing the plate.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: an anti-lock structure for tower crane installation comprises a support frame 1, a base 2, a stabilizing rib 3, a balancing rod 4, a building body 5, a tower top 6, a crane boom 7, a hook 8, a pull rod 9, a balancing weight 10, a rotary platform 11, a machine room 12, a worm wheel 13, a worm 14, a gear 15, an electric telescopic rod 16, a rotating shaft 17, a spring 18, a limiting rod 19, a limiting block 20, a motor 21 and a fixing plate 22, wherein the lower end of the support frame 1 is fixedly connected with the fixing plate 22, the fixing plate 22 is fixedly connected to the upper surface of the base 2 through a bolt, the right end of the base 2 is clamped and connected to the building body 5, the middle part and the upper end of the left side of the building body 5 are both connected with the support frame 1 through the balancing rod 4, the outer surface of the lower end of the support frame 1 is fixed with the fixing plate 22 through the stabilizing rib 3, the upper end of the support frame 1 is fixedly connected with the rotary platform 11, the upper end of the rotary platform 11 is rotatably connected with the machine room 12, a worm wheel 13 is fixedly connected inside the lower end of the machine room 12, a worm 14 is connected on the right side of the worm wheel 13, the front end of the worm 14 is fixedly connected with a motor 21 through a bolt, a rotating shaft 17 is fixedly connected in the middle of the worm wheel 13, a gear 15 is fixedly connected at the lower end of the rotating shaft 17, the gear 15 is rotatably connected at the lower end inside the rotary platform 11, electric telescopic rods 16 are connected on the left side and the right side of the gear 15, a limiting block 20 is fixedly connected at the output end of the electric telescopic rod 16, a limiting rod 19 is connected on the outer side of the limiting block 20 in a penetrating manner, a spring 18 is sleeved on the outer surface of the limiting rod 19, a tower top 6 is installed and connected at the upper end of the machine room 12, a cargo boom 7 is fixedly connected on the left side and the right side of the lower end of the tower top 6, a counterweight 10 is fixedly connected at the left end of the cargo boom 7, a hook 8 is slidably connected at the lower end of the cargo boom 7, pull rods 9 are fixedly connected at the left side and the upper end of the tower top 6, and the lower end of the pull rod 9 is fixedly connected to the upper surface of the crane arm 7.

Like base 2's transversal "concave" style of calligraphy structure of personally submitting in fig. 1 and fig. 5, and constitute through the bolt between base 2 and the building body 5 and dismantle the structure, and base 2's upper surface size is greater than the cross sectional area size of fixed plate 22, conveniently support and consolidate support frame 1, it is fixed easy to assemble, convenient to use, it sets up to stabilize muscle 3 in the outside surface of support frame 1 and be the slope like in fig. 1, and machine room 12 constitutes revolution mechanic through rotary platform 11 in the upper end of support frame 1, be convenient for carry out the outrigger to support frame 1, it is crooked to avoid appearing, easy to assemble stably, convenient to use.

For example, the pull rod 9 and the tower top 6 in fig. 1 form a triangular structure, and the tower top 6 and the machine room 12 form a welding integrated structure therebetween, so as to facilitate stable support of the boom 7, facilitate maintenance of the boom 7 in a horizontal state, and facilitate use, for example, in fig. 1, fig. 2, fig. 3, and fig. 4, the gear 15 forms a rotating structure inside the rotary platform 11 through the worm wheel 13 and the worm 14, and the connection mode of the worm wheel 13 and the worm 14 is a meshed connection, so as to facilitate driving the worm wheel 13 to rotate stably, thereby facilitating driving the machine room 12 to rotate, and facilitating use.

Stopper 20 is "T" style of calligraphy structure as in fig. 1, fig. 2 and fig. 3, and stopper 20 constitutes extending structure through gag lever post 19 in the inside of rotary platform 11 to for the meshing is connected between stopper 20 and the gear 15, be convenient for carry out the locking to the rotation of gear 15, also be convenient for automatic flexible regulation stopper 20's position simultaneously, avoid appearing the dead phenomenon of lock, avoid influencing the use.

The working principle is as follows: when the tower crane is used for installing an anti-lock structure, firstly, as shown in a combined drawing 1 and a combined drawing 5, a base 2 is fixedly connected on a building body 5 through bolts, a support frame 1 is fixedly connected on the base 2 through a fixing plate 22, a stabilizing rib 3 is also fixedly connected on the upper end of the base 2 through bolts, so that the support frame 1 is convenient to support and fix, a balancing rod 4 is fixedly connected between the support frame 1 and the building body 5 through bolts, so that the support frame 1 is convenient to reinforce, is convenient to install and fix, and is convenient to use, as shown in a combined drawing 1, a drawing 2, a drawing 3 and a drawing 4, a switch of a motor 21 is turned on, the motor 21 drives a worm 14 to rotate, the worm 14 is meshed with a worm wheel 13, so that the worm wheel 13 is convenient to drive the worm wheel 13 to rotate through a rotating shaft 17 to drive a gear 15 to rotate, so that a machine room 12 can rotate on the upper end of a rotary platform 11, be convenient for the jib loading boom 7 carries out rotation regulation in the upper end of support frame 1, facilitate the use, when adjusting required position, close the switch of motor 21, open electric telescopic handle 16's switch, electric telescopic handle 16 drives stopper 20 and slides to one side that is close to gear 15 on gag lever post 19, thereby be convenient for mesh the connection to gear 15, it is spacing to gear 15, it is convenient fixed, avoid continuing to rotate, facilitate the use, this is exactly the whole process that the dead structure of tower crane installation anti-lock used.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a tower crane installation anti-lock structure, includes support frame (1), electric telescopic handle (16) and motor (21), its characterized in that: the lower end of the support frame (1) is fixedly connected with a fixing plate (22), the fixing plate (22) is fixedly connected to the upper surface of the base (2) through bolts, the right end of the base (2) is clamped and connected to the building body (5), the middle portion and the upper end of the left side of the building body (5) are both connected with the support frame (1) through balance rods (4) in a bolt mode, the outer surface of the lower end of the support frame (1) is fixed with the fixing plate (22) through stabilizing ribs (3) in a bolt mode, the upper end of the support frame (1) is fixedly connected with a rotary platform (11), the upper end of the rotary platform (11) is rotatably connected with a machine room (12), a worm wheel (13) is fixedly connected to the inner portion of the lower end of the machine room (12), the right side of the worm wheel (13) is connected with a worm (14), the front end of the worm (14) is fixedly connected with a motor (21) through bolts, a rotary shaft (17) is fixedly connected to the middle of the worm wheel (13), the lower end of the rotating shaft (17) is fixedly connected with a gear (15), the gear (15) is rotatably connected with the lower end of the interior of the rotary platform (11), the left side and the right side of the gear (15) are connected with electric telescopic rods (16), the output end of each electric telescopic rod (16) is fixedly connected with a limiting block (20), the outer sides of the limiting blocks (20) are respectively connected with a limiting rod (19) in a penetrating manner, the outer surface of each limiting rod (19) is sleeved with a spring (18), the upper end of the machine room (12) is connected with the tower top (6) in an installing manner, the left side and the right side of the lower end of the tower top (6) are respectively and fixedly connected with a crane boom (7), the left end of the crane boom (7) is fixedly connected with a counterweight (10), the lower end of the crane boom (7) is connected with a hook (8) in a sliding manner, and the left side and the right side of the upper end of the tower top (6) are respectively and fixedly connected with a pull rod (9), and the lower end of the pull rod (9) is fixedly connected to the upper surface of the crane arm (7).

2. The tower crane installation anti-lock structure of claim 1, wherein: the cross section of the base (2) is of a concave structure, a dismounting structure is formed between the base (2) and the building body (5) through bolts, and the size of the upper surface of the base (2) is larger than the size of the cross section area of the fixing plate (22).

3. The tower crane installation anti-lock structure of claim 1, wherein: the stabilizing ribs (3) are obliquely arranged on the outer surface of the support frame (1), and the machine room (12) forms a rotating structure on the upper end of the support frame (1) through the rotary platform (11).

4. The tower crane installation anti-lock structure of claim 1, wherein: the pull rod (9) and the tower top (6) form a triangular structure, and a welding integrated structure is formed between the tower top (6) and the machine room (12).

5. The tower crane installation anti-lock structure of claim 1, wherein: the gear (15) forms a rotating structure in the rotary platform (11) through a worm wheel (13) and a worm (14), and the worm wheel (13) and the worm (14) are connected in a meshing manner.

6. The tower crane installation anti-lock structure of claim 1, wherein: the limiting block (20) is of a T-shaped structure, the limiting block (20) forms a telescopic structure in the rotary platform (11) through a limiting rod (19), and the limiting block (20) is connected with the gear (15) in a meshed mode.