CN218708829U - Detachable support bed-jig hoisting device of steel construction roof - Google Patents

Abstract

A steel structure roof detachable supporting jig frame lifting device is characterized in that a base is fixed on a concrete foundation through a screw hole by adopting a high-strength bolt; the bottom of the hydraulic synchronous lifting assembly is fixedly connected with the base to form a whole, the wedge is arranged on the hydraulic synchronous lifting assembly and embedded into the square lug plate fixed by the assembling jig frame to transfer force, so that the lifting of the steel structure roof supporting jig frame can be realized, and the problem of strong dependence of the jig frame lifting on hoisting auxiliary equipment is solved, so that the construction time is saved, the mounting risk of the jig frame is reduced, and the mounting safety of the jig frame is improved; the top plate jig frame assembly is connected with the assembling jig frame through an external tooth combination swing mechanism, and the external tooth combination swing mechanism enables the jig frame to support the truss roof at different angles; make roof bed-jig subassembly and the inseparable interlock of irregular steel structure truss through the truss fixer, prevent that steel construction roof main truss structure from rocking, the safety of construction operation personnel has been guaranteed to the installation rail guard all around of work platform.

Description

Lifting device for detachable support frame of steel structure roof

technical field

The utility model relates to the technical field of building construction, in particular to a lifting device for a detachable supporting tire frame of a steel structure roof.

Background technique

Steel structures are widely used in airports, gymnasiums, railway stations and other building structures. Due to their huge space and complex structure, large-span asymmetrical steel structures bring new challenges to the installation and design of tire frames supporting steel structures. In the installation and construction of the tire frame, there are problems such as high installation accuracy requirements of the main truss support tire frame, strong dependence of the tire frame lifting on the hoisting auxiliary equipment, etc., the special tire frame installation position is affected by the space in a narrow space, and the tire frame cannot be installed by hoisting machinery and equipment. , so that the construction period is prolonged and the operation risk is increased. Therefore, the traditional tire frame lifting device has been difficult to meet the development needs of tire frame lifting.

Utility model content

In order to solve the technical problems described in the background technology, the purpose of this utility model is to propose a steel structure roof detachable support tire frame lifting device, which can realize the precise support of the main truss of the steel structure roof, reduce the operation risk, and ensure the tire frame Safety and stability improved.

In order to achieve the above-mentioned technical purpose, the utility model adopts the following technical solutions.

A steel structure roof detachable supporting tire frame lifting device, including: a base, a hydraulic synchronous lifting assembly, a top plate tire frame assembly and some components arranged on the assembled tire frame, the base and the assembled tire frame adopt high The strength bolts are fixed on the concrete foundation, and the hydraulic synchronous lifting assembly is fixedly connected with the base to form a whole. The hydraulic synchronous lifting assembly is inserted into the assembled tire frame to fix the square ear plate to transmit force through the inclined wedge welded by the rotating disc, and the top plate tire The frame assembly is connected with the assembled tire frame through an external toothing slewing mechanism.

The base includes a connecting plate and a sliding beam. The connecting plate and the concrete foundation are connected by high-strength bolts through screw holes. The sliding beam is connected to two adjacent hydraulic synchronous lifting components. The sliding beam is adjusted, and multiple sets of pulleys are arranged inside the sliding beam.

There are 4 groups of hydraulic synchronous lifting components. The hydraulic synchronous lifting components are composed of 3 sections of hydraulic telescopic arms and a rotating disc. The hydraulic telescopic arm includes an arm tail, a basic arm, an arm head and a rotating disc. The components are connected to the base by welding.

The roof tire frame assembly includes an external toothing slewing mechanism, a working platform, several hydraulic jacks, a truss fixer and a safety fence, the external toothing slewing mechanism connects the assembled tire frame and the working platform, and the safety fence is welded on Around the working platform, it is used to protect the safety of construction workers.

Preferably, the arm tail and the base are reinforced with stiffening ribs, and the rotating discs are respectively arranged on the basic arm of the first hydraulic telescopic arm, the arm head of the second hydraulic telescopic arm, and the arm head of the third hydraulic telescopic arm. , the rotating disk and the wedge are connected by welding, and the stiffening plate reinforces the rotating disk and the wedge.

Preferably, the hydraulic jack can realize the fine-tuning control of tire frame height, the truss fixer stabilizes the steel structure roof truss, and the hydraulic jack and the truss fixer are connected by welding.

Preferably, the assembled tire frame is equipped with a square lug plate, the square lug plate and the assembled tire frame are fixed by welding, the wedge is wedged into the square lug plate to fix, and the wedge is inserted into the square lug plate through the hydraulic synchronous lifting assembly to realize the assembly The overall tire frame is improved.

Preferably, the power source of the hydraulic synchronous lifting assembly is a hydraulic pump.

Preferably, the supporting tire frame lifting device is detachable, and the detachable supporting tire frame lifting device can be used for lifting other tire frames after the lifting of one assembled tire frame is completed.

Preferably, there are a plurality of assembled tire frames for the roof, and the multiple assembled tire frames are sequentially combined and spliced along the length direction of the roof truss, and the detachable supporting tire frame of the steel structure roof is lifted The device can lift a plurality of assembled tire frames as a whole.

Compared with the prior art, the utility model has the beneficial effects as follows.

The steel structure roof detachable supporting tire frame lifting device provided by the utility model, by setting up a hydraulic synchronous lifting device outside the tire frame, the wedge on the arm head of the hydraulic telescopic arm is embedded into the square ear plate of the assembled tire frame, Lift the assembled tire frame from bottom to top, and increase the tire frame by adding standard joints at the bottom, which solves the problem that the installation of the tire frame is limited by the working space, and there is no mechanical equipment such as cranes and tower cranes, and the installation of tall tire frames cannot be completed. And the problem of strong dependence on auxiliary equipment such as hoisting. At the same time, when the tire frame is installed in a windy working environment, the supporting tire frame lifting device is used as a lifting auxiliary device for mechanical equipment such as tower cranes to prevent the tire frame from swinging in the air and reduce the tire frame installation. construction risk.

In the utility model, the roof truss assembly is arranged above the assembled tire frame, and the external toothing and rotating mechanism is arranged under the working platform, so that the tire frame can cope with the support of the roof truss at different angles, and solves the problem of fixing the support points of the working platform and the truss roof. In addition, according to the direction of the roof truss, by setting a number of hydraulic jacks on the working platform to adjust the height of the tire frame, the problem of accurate installation of the tire frame and the main truss support of the large-span asymmetrical steel structure roof is solved.

Description of drawings

The technical solutions in the utility model will be described in detail through the following drawings. It should be noted that the drawings in the following description are only some embodiments of the utility model, and do not limit the utility model.

Fig. 1 is a schematic diagram of the overall structure of a detachable supporting frame lifting device for a steel structure roof provided by a specific embodiment of the present invention.

Fig. 2 is a schematic diagram of the structure of the base of the utility model.

Fig. 3 is a structural schematic diagram of the hydraulic synchronous lifting assembly of the present invention.

Fig. 4 is a structural schematic diagram of the roof frame assembly at the top of the utility model.

In the figure: 1-base; 2-hydraulic synchronous lifting assembly; 3-roof tire frame assembly; 4-assembled tire frame; 11-connecting plate; 12-sliding beam; 13-screw hole; 14-pulley; One section of hydraulic telescopic boom; 22-Second hydraulic telescopic boom; 23-Third hydraulic telescopic boom; 24-Rotary disc; 25-Wedge; 26-Stiffening plate; 212-basic arm, 213-arm head; 31-external gear slewing mechanism; 32-working platform; 33-hydraulic jack; 34-truss fixer; 35-safety fence; 41-square ear plate.

Detailed ways

In order to clearly describe an embodiment of a steel structure roof detachable support tire frame lifting device, in the following, the specific implementation and technical solutions of the utility model will be further described in detail in conjunction with the drawings and examples. Obviously, This embodiment only illustrates some implementations of the utility model, and should not be construed as all embodiments of the utility model. On the premise that those skilled in the art do not make an inventive step to the embodiment, obvious modifications and replacements to the implementation of this embodiment are within the protection scope of the present utility model.

As shown in Figure 1, a steel structure roof detachable supporting tire frame lifting device provided in this embodiment can realize the segmental lifting of the steel structure roof supporting tire frame. The tire frame lifting device includes a base 1, a hydraulic pressure Synchronous lifting assembly 2, roof tire frame assembly 3 and assembled tire frame 4 partial assemblies.

As shown in FIG. 2 , in this example, the base 1 is fixed on a concrete foundation, and the base 1 includes a connecting plate 11 , sliding beams 12 , screw holes 13 and multiple sets of pulleys 14 . The base 1 is fixed on the concrete foundation with high-strength bolts through the screw holes 13 provided on the connecting plate 11, and the sliding beam 12 is arranged in the middle of the adjacent connecting plate 11, and multiple sets of pulleys 14 are arranged inside the sliding beam 12, so that adjacent connections Plate 11 expands front and rear, left and right, increases the contact area between the base and the ground, expands the scope of use of the tire frame lifting device, and can realize the common lifting of multiple groups of assembled tire frames.

As shown in Fig. 3, in this example, there are 4 groups of hydraulic synchronous lifting assemblies 2, which are composed of the first section hydraulic telescopic arm 21, the second section hydraulic telescopic arm 22 and the third section hydraulic telescopic arm 23, wherein the third section Section hydraulic telescopic boom 23 is in the unraised state. Before construction, the third section hydraulic telescopic boom 23 and the second section hydraulic telescopic boom 22 are shrunk in the first section hydraulic telescopic boom. During construction, the third section hydraulic telescopic boom 23 shrinks in the second joint hydraulic telescopic arm 22 and rises simultaneously. Wherein, the three-section hydraulic telescopic arm comprises arm tail 211, basic arm 212 and arm head 213. In addition, a rotating disk 24 is arranged at the basic arm 212 of the first section hydraulic telescopic boom 21, and the rotating disk 24 is installed at the basic arm 212 using sliding contact. , the arm tail 211 of the second section hydraulic telescopic arm 22 is provided with a rotating disk 24, the arm tail 213 is installed with a rotating disk 24 for sliding contact, and the arm head 213 of the third section hydraulic telescopic arm 23 is provided with a rotating disk 24, The rotating disk 24 installed at the arm head 213 is fixed by welding. Further, the oblique wedge 25 is welded on the rotating disk 24, and the reinforcing plate 26 is used for reinforcement, so that the tire frame can be lifted and removed quickly.

As shown in FIG. 4 , in this example, the roof frame assembly 3 includes an external toothing slewing mechanism 31 , a working platform 32 , several hydraulic jacks 33 , a truss fixer 34 and a safety fence 35 . Among them, according to the external toothing slewing mechanism 31, the relative external position of the assembled tire frame 4 and the working platform 32 is adjusted to meet the support of different coordinate positions towards the roof truss. In addition, a plurality of hydraulic jacks 33 are set on the working platform 32. The upper end of the jack 33 is set as a truss fixer 34, which is processed into a semi-arc shape and connected with the hydraulic jack 33 by welding. The truss structure is fixed on the semi-arc-shaped truss fixer 34 to avoid the truss shaking. Further, a safety fence 35 is welded around the working platform 32, and its two ends along the truss direction are lower than its height in the vertical direction, so as to protect the safety of construction workers.

Optionally, the supporting tire frame can be combined with multiple sets of assembled tire frames 4 for overall lifting. In this embodiment, a single assembled tire frame embodiment is selected for description.

The construction method of a detachable supporting tire frame lifting device for a steel structure roof described in the utility model includes the following steps.

Step 1: Set up the tire frame lifting device, first assemble the base 1 and the hydraulic synchronous lifting component 2, adjust the length of the four sets of sliding beams 12 of the base according to the size of the assembled tire frame, and fix the adjusted tire frame lifting device to the concrete foundation or Finished floor face.

Step 2, check the operation of the hydraulic lifting device, check the working status of the hydraulic telescopic arm by starting the first hydraulic telescopic arm 21, the second hydraulic telescopic arm 22 and the third hydraulic telescopic arm 23, and further, check the rotating disk 24 Whether the operation is normal or not, the inspection is completed before the tire frame can be lifted.

Step 3, assemble the top lifting component 3, determine the height of the tire frame, adjust the height of the hydraulic jack 33 in advance, pre-install the three-section one-section truss, and install the assembled top lifting component on the top first-section one-section truss after the setting is completed, and further, Check the operation of the external toothing slewing mechanism 33 to ensure the safe operation of the lifting device.

Step 4, open the rotating disk 24 of the four sets of hydraulic telescopic arms 21, close the rotating disk 24 so that the wedge 25 is embedded in the square ear plate 41 installed on the assembled tire frame 4, start the hydraulic hydraulic lifting device, and the four sets of hydraulic lifting components 2 first The first section of the telescopic boom starts to lift, and the lifting height is the height of one section of the truss. Further, a section of the truss is added at the bottom of the third section of the truss, which is the fourth section of the truss, and the third section of the telescopic arm rotating disc 24 Move to the fourth section of the truss for closing and fixing, open the second section of the telescopic arm rotating disk 25 to move to the third section of the truss for closing and fixing, open the first section of the telescopic arm rotating disk 24 to move to the second section The section truss is closed and fixed, and the first telescopic arm of the four sets of hydraulic lifting components 2 starts to rise again, and the lifting height is the height of one section of the truss. According to the designed tire frame height, repeat the above steps to complete the overall assembled tire frame lifting.

Step 5, adjust the angle of the external toothing slewing mechanism 31 according to the position of the roof truss, so that the roof tire frame assembly 3 and the roof truss maintain the same angle, and further adjust several groups of hydraulic jacks 33 arranged on the upper part of the working platform 32, so that the truss is fixed Device 33 is connected and fixed with the roof truss to prevent the truss structure from moving.

Step 6, remove the supporting tire frame lifting device, and use it for lifting another assembled tire frame.

It is worth noting that the above description is only the implementation mode and technical solution of the new preferred embodiment of this application, but this embodiment is not limited to the above embodiment, any obvious modifications, replacements and improvements, etc. Within the protection scope of the present utility model.

Claims (6)

1. A steel structure roof detachable support tire frame lifting device, characterized in that it includes: a base (1), a hydraulic synchronous lifting assembly (2), a top plate tire frame assembly (3) and an assembled tire frame ( 4), the base (1) and the assembled tire frame (4) are fixed on the concrete foundation with high-strength bolts through screw holes (13), and the hydraulic synchronous lifting assembly (2) is fixed to the base (1) Connected to form a whole, the hydraulic synchronous lifting assembly (2) is embedded in the assembled tire frame (4) to fix the square ear plate (41) to transmit force through the wedge (25) welded by the rotating disc (24), and the top plate tire frame assembly (3) be connected with the assembled tire frame (4) by the external toothing slewing mechanism (31); The base (1) includes a connecting plate (11) and a sliding beam (12), the connecting plate (11) and the concrete foundation are connected by high-strength bolts through screw holes (13), and the sliding beam (12) Connecting two adjacent hydraulic synchronous lifting components (2), the front, rear, left, and right telescopic expansion of the base passes through the sliding beam (12), and multiple sets of pulleys (14) are arranged inside the sliding beam (12); There are 4 groups of hydraulic synchronous lifting components (2), and the hydraulic synchronous lifting components (2) are composed of the first hydraulic telescopic boom (21), the second hydraulic telescopic boom (22) and the third hydraulic telescopic boom ( 23), rotary disc (24), the first hydraulic telescopic boom (21), the second hydraulic telescopic boom (22) and the third hydraulic telescopic boom (23) include arm tail (211), basic boom (212), arm head (213), the hydraulic synchronous lifting assembly (2) is connected to the base (1) by welding; The roof tire frame assembly (3) includes an external toothing slewing mechanism (31), a working platform (32), several hydraulic jacks (33), a truss fixer (34) and a safety fence (35). The slewing mechanism (31) connects the assembled tire frame (4) and the work platform (32), and the safety guardrail (35) is welded around the work platform (32) to protect the safety of construction workers. 2. A detachable support tire frame lifting device for a steel structure roof according to claim 1, characterized in that, the arm tail (211) and the base (1) are reinforced with stiffeners (27), so The rotating disc (24) is respectively arranged on the basic arm (212) of the first section hydraulic telescopic arm (21), the arm head (213) of the second section hydraulic telescopic arm (22), the third section hydraulic telescopic arm (23) The arm head (213), the rotating disk (24) and the wedge (25) are connected by welding, and the stiffening plate (26) reinforces the rotating disk (24) and the wedge (25). 3. A detachable supporting tire frame lifting device for a steel structure roof according to claim 1, characterized in that the hydraulic jack (33) can realize fine-tuning control of the tire frame height, and the truss fixer (34 ) to stabilize the steel structure roof truss, the hydraulic jack (33) and the truss fixer (34) are connected by welding. 4. A detachable supporting frame lifting device for a steel structure roof according to claim 1, characterized in that, the assembled tire frame (4) is equipped with square lugs (41), square lugs (41 ) and the assembled tire frame (4) are fixed by welding, and the oblique wedge (25) is wedged into the square ear plate (41) for fixing, and the oblique wedge (25) of the hydraulic synchronous lifting component (2) is embedded into the square ear plate (41), Realize the overall lifting of the assembled tire frame (4), the roof assembled tire frame (4) is provided with a plurality of assembled tire frames (4) sequentially combined and spliced along the length direction of the roof truss, the A steel structure roof detachable supporting tire frame lifting device can lift a plurality of assembled tire frames (4) as a whole. 5. A detachable support tire frame lifting device for a steel structure roof according to claim 1, characterized in that the power source of the hydraulic synchronous lifting assembly (2) is a hydraulic pump. 6. A detachable support frame lifting device for a steel structure roof according to claim 1 or 5, characterized in that, the support frame lifting device is detachable, and the detachable support frame The lifting device completes the lifting after completing one of the assembled tire frames, and can be used for other tire frames to promote after being removed.

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