CN214031481U

CN214031481U - Attachment point support of tower crane with prefabricated concrete structure

Info

Publication number: CN214031481U
Application number: CN202021783997.XU
Authority: CN
Inventors: 南志军
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-08-24
Anticipated expiration: 2030-08-24

Abstract

The utility model provides an assembled concrete structure tower crane attachment point support belongs to the construction field, belongs to assembled concrete structure tower crane attachment point support and concrete structure connecting device, the utility model aims at solving the novel attachment point anchor that assembled concrete structure tower crane attachment point support bearing capacity is not enough and adopt, and the problem of solution is that assembled structure outer wall bearing capacity can't satisfy anchor hoisting machinery requirement, the utility model discloses the device can ensure that tower crane attachment point support anchor power reaches tower crane specification requirement, the utility model discloses a square steel stand, square steel bracing, connecting steel plate, high strength bolt, connecting base through the prefabricated processing of mill, the equipment of on-the-spot concatenation forms.

Description

Attachment point support of tower crane with prefabricated concrete structure

Technical Field

The patent of the utility model belongs to the construction field belongs to prefabricated concrete structure tower crane attachment point support and concrete structure connection structure.

Background

The tower crane is one of the main machines of modern industrial areas and civil buildings, is spread over construction sites, plays a role in lifting, and directly restricts the progress control and safety management of projects.

When the working height of the tower crane exceeds the independent height of the tower crane, the tower crane needs to be attached, and the bearing capacity of a building attachment point (a connection base fixing position) needs to meet the bearing capacity of a tower crane specification.

The cast-in-place reinforced concrete structure outer wall of traditional building can satisfy hoist basically and adhere to the bearing capacity requirement, but novel prefabricated building belongs to the prefabricated structure of assembling, and outer wall is by mill's prefabricated shaping after, with component fortune to job site, adopts the concatenation mode to connect the component as an organic whole, and the tie point reserves steel sleeve for in the component, assembles the mode that adopts grout after the shaping and links prefabricated component as whole, and the bearing capacity can't satisfy anchor hoisting machinery requirement.

Disclosure of Invention

The utility model aims at: the novel attachment point anchoring device is adopted to solve the problem that the bearing capacity of the attachment point support of the tower crane with the prefabricated concrete structure is insufficient.

The problem to be solved is that: the bearing capacity of the outer wall of the assembled structure can not meet the requirement of anchoring hoisting machinery, the utility model discloses the device can ensure that the anchoring capacity of the attachment point support of the tower crane reaches the specification requirement of the tower crane.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model discloses a solve the not enough and novel attachment point anchor that adopts of prefabricated concrete structure tower crane attachment point support bearing capacity, including square steel stand, square steel bracing, the steel sheet of connection, high strength bolt, connection base, through the prefabricated processing of mill, the on-the-spot concatenation equipment forms.

The floor is drilled according to the bolt hole positions of the connecting steel plates by adopting a hole drilling drill, the thickness of each connecting steel plate is 8mm, 8 screw holes are formed in each steel plate, four steel plates are arranged, two upper-layer floors of the attachment point supports are arranged, two lower-layer floors of the attachment point supports are arranged, and the connecting steel plates are fixed with the floor by adopting high-strength bolts after drilling.

And installing steel pipe upright columns, wherein the steel pipe upright columns are fixedly connected with the upper connecting steel plate, the lower connecting steel plate and the two connecting steel plates of the floor in a welding mode.

And installing a steel pipe inclined strut, wherein the steel pipe inclined strut is fixedly connected with the lower floor connecting steel plate in a welding mode.

Compared with the prior art the utility model has the following characteristics and beneficial effect:

the attachment point support passes through floor drilling, installation connection steel sheet, welding stand and bracing, welded connection base, and this attachment point support simple installation, the expense is low.

The attachment point support solves the problem that the outer wall of the assembled structure can not meet the requirements of anchoring hoisting machinery, and plays a vital role in the safety of the tower crane.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 is a schematic plan view of the attachment point support of the present invention.

Fig. 2 is a schematic cross-sectional view of the attachment point support of the present invention at 1-1.

Fig. 3 is a detailed view of the attachment point support of the present invention in section 1-1.

Fig. 4 is a schematic 2-2 cross-sectional view of the attachment point support of the present invention.

Fig. 5 is a detailed schematic view of the connecting steel plate of the attachment point support of the present invention.

Fig. 6 is a detailed structural diagram of the attachment point support of the present invention.

Fig. 7 is a detailed view of the connection between the steel plate of the attachment point support and the concrete structure top plate according to the present invention.

The reference signs are 1-square steel upright post, 2.1-left side square steel diagonal brace, 2.2-right side square steel diagonal brace, 2.3-rear side square steel diagonal brace, 3.1-top plate upper side connecting steel plate, 3.2-top plate lower side connecting steel plate, 4.1-high-strength bolt, 4.2-high-strength bolt cap, 5-bolt hole, 6.1-attachment point support layer structure concrete floor, 6.2-attachment point support layer upper layer structure concrete floor, 7-assembly type prefabricated outer wall, 8-assembly type prefabricated inner wall, 9-connecting plate, 10-adjusting screw rod, 11-support rod, 12-frame beam and 13-tower body.

Detailed Description

As shown in fig. 1-7, the utility model is used for prefabricated concrete structure tower crane attachment point support specifically includes: 1-square steel upright post, 2.1-left side square steel diagonal brace, 2.2-right side square steel diagonal brace, 2.3-rear side square steel diagonal brace, 3.1-top plate upper side connecting steel plate, 3.2-top plate lower side connecting steel plate, 4.1-high-strength bolt, 4.2-high-strength bolt cap, 5-bolt hole and 9-connecting plate.

The square steel upright (1) is positioned between the floor slabs (6.1) and (6.2), the length is determined according to the interlayer spacing, the section size of the square steel is determined according to the model of the tower crane, the lower part of the upright is welded with the floor slab (3.1), the upper part of the upright is welded with the floor slab (3.2), and the floor slabs (3.1) and the floor slab (3.2) are connected into a whole by adopting the joint structures of (4.1) and (4.2).

The stand adopts the bearing diagonal to strengthen the steadiness, and the stand left side sets up one (2.1), and the right side sets up one (2.2), (2.3) rear side sets up one, sets up three altogether, and the bracing is 45 with the stand, bracing upper end and stand welding, tip and (3.1) welding under the bracing, stand bracing installation completion back welded connection board (9), and the integral erection is accomplished, and concrete step is as follows:

the method comprises the following steps: and (5) determining the position of the attachment point support of the tower crane according to the position of the tower crane and the angle of the support rod, measuring and positioning the position according to the step (6.1), and drilling by adopting drilling equipment.

Step two: placing (3.1) and (3.2), penetrating (4.1), screwing (4.2) and connecting with the top plate firmly and tightly.

Step three: the square steel upright posts (1) and (3.2) are welded, the square steel upright posts (1) and (3.1) are welded, and the inclined struts are welded with the square steel upright posts (2.1), (2.2) and (2.3).

Step four: the square steel upright post (1) is welded with the connecting plate (9) to form the attachment point support of the tower crane.

The utility model discloses the application that changes and come all should fall the utility model discloses a protection scope.

Claims

1. An attachment point support of a tower crane with a prefabricated concrete structure is characterized in that: comprises a square steel column (1), a left side square steel diagonal brace (2.1), a right side square steel diagonal brace (2.2), a rear side square steel diagonal brace (2.3), a top plate upper side connecting steel plate (3.1), a top plate lower side connecting steel plate (3.2), a high-strength bolt (4.1), a high-strength bolt cap (4.2), a bolt hole (5) and a connecting plate (9), wherein the square steel column (1) is positioned between two layers of a concrete floor slab with an attachment point support layer structure (6.1) and a concrete floor slab with an attachment point support layer upper layer structure (6.2), the lower part of the square steel column (1) is welded with the top plate upper side connecting steel plate (3.1), the upper part of the square steel column (1) is welded with the top plate lower side connecting steel plate (3.2), the top plate upper side connecting steel plate (3.1) and the top plate lower side connecting steel plate (3.2) adopt the high-strength bolt (4.1) and the high-strength bolt cap (4.2) to be connected with the floor slab into a whole, the square steel column (1) adopts the left side diagonal brace (2.1), the stability is enhanced by the rear side square steel diagonal brace (2.3) of the right side square steel diagonal brace (2.2), the left side of the square steel upright post (1) is provided with a left side square steel diagonal brace (2.1), the right side is provided with a right side square steel diagonal brace (2.2), the rear side is provided with a rear side square steel diagonal brace (2.3), three ways are arranged, the square steel upright post (1) and the left side square steel diagonal brace (2.1) are 45 degrees, the square steel upright post (1) and the right side square steel diagonal brace (2.2) are 45 degrees, the upper end part of the left side square steel diagonal brace (2.1) is welded with the square steel upright post (1), the upper end part of the right side square steel diagonal brace (2.2) is welded with the square steel upright post (1), the upper end part of the rear side square steel diagonal brace (2.3) is welded with the square steel upright post (1), the upper end part of the left side square steel diagonal brace (2.1) is connected with the upper side of the top plate (3.1), the lower end part of the right side diagonal brace is welded with the upper side steel plate (2.1) and the upper end part of the top plate (2.3) is welded with the upper end part of the upper side steel upright post (2.3) is welded with the lower end part of the top plate (2.3) which is welded with the steel upright post, the lower end part of the rear side steel inclined strut (2.3) is welded with a connecting steel plate (3.1) on the upper side of the top plate, and the square steel upright post (1) is integrally installed with the rear welding connecting plate (9) which is installed on the left side square steel inclined strut (2.1), the right side square steel inclined strut (2.2) and the rear side steel inclined strut (2.3).