CN117166722A - Spliced lifting platform for narrow space and construction method - Google Patents

Abstract

The invention belongs to the field of construction auxiliary equipment, and specifically relates to a spliced lifting platform and a construction method for use in a small space. The device includes: a column bracket, a horizontal brace, a lifting device and a lifting platform. The column bracket and the horizontal brace are both It is assembled by splicing units. The splicing units are shaped steels that can be fixedly connected to each other end to end. Several of the column brackets are fixedly connected to each other through the transverse braces. Several of the column brackets and transverse braces form a frame structure. The lifting device is fixedly connected to the top of the column bracket. The lifting platform is connected to the lifting device and is placed horizontally in the middle of the frame structure. The lifting platform can be driven by the lifting device at any location. Free up and down movement is achieved in the above-mentioned frame structure; this device can assist operators to install the comprehensive bracket accurately and conveniently, and can adapt to the characteristics of small spaces for adaptive installation and splicing.

Description

A spliced lifting platform for small spaces and construction method

Technical field

The invention relates to the field of construction auxiliary equipment, and in particular to a spliced lifting platform for use in small spaces and a construction method.

Background technique

As the design of various pipelines becomes more and more complex, more and more systems need to be hoisted in small spaces. Pre-stage BIM is used to comprehensively arrange the pipe gallery parts. During the construction process of the comprehensive brackets of each pipe gallery, At present, angle steel is used to connect the comprehensive bracket. The length of the angle steel and the connection of each component need to be cut and welded on site according to the actual situation. During the installation process, workers need to lift the angle steel to a certain installation height, which will lead to installation accuracy. It is poor and has certain safety risks. At the same time, some installation sites with relatively complex environments have small spaces. The platforms used for installation by lifting operators are too large and inconvenient to enter the site, and the space size and distribution between different installation sites are different. , the standard finished bracket is extremely inconvenient to use.

In view of the above existing problems, a spliced lifting platform and construction method for small spaces are specifically designed.

Contents of the invention

The present invention is aimed at the above-mentioned problems and specifically designs a spliced lifting platform and construction method for use in small spaces, so that it can assist operators to install comprehensive brackets accurately and conveniently, and can adapt to small spaces. Features for adaptive installation and splicing.

In order to achieve the above object, the present invention provides an assembled lifting platform for a small space, a column bracket, a horizontal brace, a lifting device and a lifting platform. The column bracket and the horizontal brace are assembled by splicing units, and the The splicing unit is a steel section that can be fixedly connected to each other head to tail. Several of the column brackets are fixedly connected to each other through the transverse braces. Several of the column brackets and transverse braces form a frame structure. The lifting device is fixedly connected to the column. On the top of the bracket, the lifting platform is connected to the lifting device and placed horizontally in the middle of the frame structure. The lifting platform can move freely up and down in the frame structure driven by the lifting device. Through the above method, assembly can be carried out at the construction site according to the size and layout of the site space, and the workers can install the comprehensive bracket as the lifting platform rises to the working height.

Further, it also includes a fixed bracket, one end of the fixed bracket is fixedly connected to the column bracket, and the other end of the fixed bracket is supported and arranged on the ground. The diagonal support of the fixed bracket is arranged between the column bracket and the ground, which has the effect of stabilizing the overall structure.

Further, it also includes a supporting device, which is arranged on the top of the column bracket, and the top of the supporting device can be supported on the top of the work space.

Further, the supporting device includes: a threaded rod, a top plate and a threaded block. One end of the threaded rod is provided with a top plate, the other end of the threaded rod is connected to the top of the column bracket, and the threaded rod is also provided with a top plate. The thread block is provided. After the frame structure of the main body is installed, there is still a certain distance between the column bracket and the top of the construction site. In order to maintain the stability of the frame structure during operation, a lifting device is installed on the top of the column bracket to provide support. function to make the structure more stable.

Further, a fixed block is provided at the top of the column bracket, and an end of the fixed block away from the column bracket is connected to a lifting ring, and the lifting device is installed on the lifting ring.

Further, lifting lugs are provided on the frame of the lifting platform, and the lifting lugs are connected to the lifting device.

Further, a reinforcing plate is provided at the connection between the column bracket and the cross brace.

Further, the bottom of the column bracket is provided with a universal wheel. It facilitates the movement of this structure at the construction site.

The invention also proposes a construction method for an assembled lifting platform used in a small space, which includes the following steps:

Step 1: Select an appropriate number of splicing units according to the construction environment, and transport all components to the construction site via trolley;

Step 2: Perform on-site splicing and assembly of the splicing unit, install a supporting device on the top of the column bracket, weld a fixed block on the top of the column bracket, and hang the lifting device on the fixed block through a lifting ring to complete the splicing. The rear horizontal braces are fixedly connected between the column brackets, and the column brackets and the horizontal braces are spliced into a frame structure with an unimpeded frame structure that runs vertically through the middle;

Step 3: The lifting device uses lifting lugs to horizontally hang the lifting platform in the frame structure formed by the column bracket and the cross brace. Install a universal wheel at the bottom of the column bracket and rotate the threaded block to align the top plate with the construction space. The top is connected against each other, and the lifting device and the electric control box are connected through wires;

Step 4: Fixedly connect one end of the fixed bracket to the column bracket, and keep the other end of the fixed bracket able to contact the ground;

Step 5: The operator carries the comprehensive bracket to be installed and stands on the lifting platform. Controlled by the electric control box, the lifting device lifts the lifting platform to the working height. Then the operator installs the comprehensive bracket.

Further, in step four, one end of the fixed bracket in contact with the ground is located outside the frame structure formed by the column bracket and the cross brace.

To sum up, the construction method of an assembled lifting platform for use in a small space according to the present invention has the following advantages and beneficial technical effects:

1. The construction method of the assembled lifting platform used in a small space of the present invention can assist workers in installing the comprehensive bracket, improve the installation efficiency and accuracy of the comprehensive bracket, and at the same time ensure the safety of the workers during construction. ;

2. The construction method of the present invention for an assembled lifting platform used in a small space can be assembled into various sizes and specifications through splicing and assembly, and can adapt to the construction requirements in different spaces;

3. The construction method of the assembled lifting platform used in a small space of the present invention can transport various components into a small space for assembly, overcoming the shortcoming that large structures cannot be entered due to space problems;

4. The construction method of the assembled lifting platform used in a small space according to the present invention is to set a supporting device on the top of the column bracket, and realize a liftable and adjustable support mode through threads, which saves costs and has a good fixing effect.

Description of drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

Figure 1 is a schematic structural diagram of a construction method of an assembled lifting platform used in a small space according to the present invention;

Figure 2 is an enlarged view of A in Figure 1 of the present invention.

The reference numbers in the drawings are:

1-column bracket; 11-fixed block; 12-lifting ring; 2-cross brace; 3-fixed bracket; 4-splicing unit; 5-lifting device; 6-lifting platform; 61-lifting lugs; 7-top support device; 71-threaded rod; 72-top plate; 73-threaded block; 8-reinforcement plate; 9-universal wheel.

Detailed ways

In order to make the objectives, technical solutions and advantages of the implementation of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the drawings in the embodiments of the present invention. In the drawings, the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions; the described embodiments are part of the embodiments of the present invention, rather than all embodiments; below, by referring to the accompanying drawings The described embodiments and directional words are illustrative and are intended to explain the present invention and cannot be understood as limiting the present invention. Based on the embodiments of the present invention, those of ordinary skill in the art will not make any creative efforts. All other embodiments obtained under the premise belong to the scope of protection of the present invention. The embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings:

[Example 1]

As shown in Figures 1 and 2, an assembled lifting platform for small spaces includes: a column bracket 1, a cross brace 2, a lifting device 5 and a lifting platform 6. The column bracket 1 and the cross brace 2 are both composed of splicing units. 4 are spliced and assembled. The splicing unit 4 is a steel section that can be fixedly connected to each other end to end. The upright bracket 1 and the cross brace 2 are assembled by riveting or bolting between the end and the end of the splicing unit 4. The cross brace 2 is welded to the upright bracket. 1, four column brackets 1 and several cross braces 2 form a frame structure. The edge of the frame structure is the column bracket 1. The cross braces 2 are located on the sides of the frame structure. The middle part of the frame structure is a structure that runs up and down. The device 5 is fixedly connected to the top of the column bracket 1. The lifting platform 6 is connected to the lifting device 5 and placed horizontally in the middle of the frame structure. The lifting platform 6 can move freely up and down in the frame structure driven by the lifting device 5.

Preferably, the lifting device 5 is an electric hoist.

As shown in Figure 1, preferably, one end of the fixed bracket 3 is welded to the column bracket 1, and the other end of the fixed bracket 3 is supported on the ground.

As shown in FIG. 2 , the supporting device 7 is installed on the top of the column bracket 1 through a threaded connection, and the top of the supporting device 7 can be supported on the top of the work space.

The top plate 72 is welded to one end of the threaded rod 71, and the other end of the threaded rod 71 is connected to the top of the column bracket 1. A threaded block 73 is also installed on the threaded rod 71.

As shown in Figure 2, a fixed block 11 is welded to the top of the column bracket 1. The end of the fixed block 11 away from the column bracket 1 is connected to a lifting ring 12 through a pin, and the lifting device 5 is installed on the lifting ring 12.

As shown in Figure 2, lifting lugs 61 are provided on the frame of the lifting platform 6, and the lifting lugs 61 are connected to the wire rope hooks of the lifting device 5.

As shown in Figure 1, preferably, a reinforcing plate 8 is welded to the connection between the column bracket 1 and the cross brace 2.

As shown in Figure 1, the bottom of the column bracket 1 is provided with a universal wheel 9. The universal wheel 9 can be configured to be driven by a motor through an electric control box, thereby improving the efficiency of moving the structure.

[Example 2]

The invention also discloses a construction method for an assembled lifting platform used in a small space. The specific steps are as follows:

Step 1: Select an appropriate number of splicing units 4 according to the construction environment, and transport all components to the construction site via trolley;

Step 2: Splice and assemble the splicing unit 4 on site, install the supporting device 7 on the top of the column bracket 1, weld the fixed block 11 on the top of the column bracket 1, and hang the lifting device 5 on the fixed block 11 through the lifting ring 12 , fixedly connect the spliced horizontal braces 2 between the column brackets 1, and splice the column brackets 1 and the horizontal braces 2 into a frame structure with an unimpeded frame structure that runs vertically through the middle;

Step 3: The lifting device 5 uses the lifting lugs 61 to horizontally hang the lifting platform 6 in the frame structure formed by the column bracket 1 and the cross brace 2. Install the universal wheel 9 at the bottom of the column bracket 1 and rotate the threaded block 73 to lift the top plate. 72 is connected against the top of the construction space, and the lifting device 5 and the electric control box are connected through wires;

Step 4: Fixedly connect one end of the fixed bracket 3 to the column bracket 1, and keep the other end of the fixed bracket 3 in contact with the ground; the end of the fixed bracket 3 in contact with the ground is located in the frame structure formed by the column bracket 1 and the horizontal brace 2 external.

Step 5: The operator carries the comprehensive bracket to be installed and stands on the lifting platform 6. Controlled by the electric control box, the lifting device 5 lifts the lifting platform 6 to the working height. Then the operator installs the comprehensive bracket.

After the comprehensive support of this section is installed, the operator twists the threaded block 73 and retracts the threaded rod 71 downward. The operator transfers from the lifting platform 6 to the ground, and then moves to the next construction section through the universal wheel 9 for the next step. stage work.

Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent substitutions for some of the technical features; and these Modifications or substitutions do not deviate from the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of each embodiment of the present invention.

Claims (10)

1. A pin-connected panel lift platform for narrow and small space, its characterized in that includes: upright post support (1), stull (2), hoisting device (5) and lift platform (6), upright post support (1) and stull (2) are assembled by concatenation unit (4) concatenation and are formed, concatenation unit (4) are can be each other fixed connection's shaped steel between head and the tail, a plurality of pass through between upright post support (1) stull (2) fixed connection, a plurality of upright post support (1) and stull (2) form cavity three-dimensional frame structure, hoisting device (5) fixed connection is in the top of upright post support (1), lift platform (6) with hoisting device (5) are connected and the level is arranged in the middle part of frame structure, lift platform (6) can be in under the drive of hoisting device (5) realize free up-and-down motion in the frame structure.

2. The split lifting platform for a small space according to claim 1, further comprising a fixing bracket (3), wherein one end of the fixing bracket (3) is fixedly connected with the upright post bracket (1), and the other end of the fixing bracket (3) is supported and arranged on the ground.

3. The split lifting platform for a small space according to claim 1, further comprising a jacking device (7), wherein the jacking device (7) is arranged at the top end of the upright support (1), and the top of the jacking device (7) is supportably arranged at the top of the working space.

4. A modular lifting platform for small spaces according to claim 3, characterized in that said jacking means (7) comprise: threaded rod (71), roof (72) and screw thread piece (73), the one end of threaded rod (71) is provided with roof (72), the other end of threaded rod (71) with the top of stand support (1) is connected, still be provided with on threaded rod (71) screw thread piece (73).

5. The split lifting platform for a small space according to claim 1, wherein a fixed block (11) is arranged at the top end of the upright support (1), one end, away from the upright support (1), of the fixed block (11) is connected with a lifting ring (12), and the lifting device (5) is mounted on the lifting ring (12).

6. The split lifting platform for a small space according to claim 1, wherein lifting lugs (61) are arranged on the frame of the lifting platform (6), and the lifting lugs (61) are connected with the lifting device (5).

7. The split lifting platform for a small space according to claim 1, wherein a reinforcing plate (8) is arranged at the joint of the upright post support (1) and the cross brace (2).

8. The split lifting platform for a small space according to claim 1, wherein universal wheels (9) are arranged at the bottom of the upright post support (1).

9. The construction method for the assembled lifting platform in the narrow space is characterized by comprising the following steps of:

step one: selecting a proper number of splicing units (4) according to the construction environment, and conveying all the components to a construction site through a trolley;

step two: the splicing units (4) are spliced and assembled on site, a top support device (7) is arranged at the top end of the upright post support (1), a fixed block (11) is welded at the top end of the upright post support (1), a lifting device (5) is hung on the fixed block (11) through a hanging ring (12), a spliced transverse support (2) is fixedly connected between the upright post supports (1), and the upright post support (1) and the transverse support (2) are spliced to form a frame structure with a vertically-penetrating middle part and no obstruction;

step three: the lifting device (5) horizontally hangs a lifting platform (6) in a frame structure formed by the upright post support (1) and the cross brace (2) through lifting lugs (61), universal wheels (9) are arranged at the bottom of the upright post support (1), a threaded block (73) is rotated to enable a top plate (72) to be in abutting connection with the top of a construction space, and the lifting device (5) is connected with an electric cabinet through electric wires;

step four: one end of a fixed support (3) is fixedly connected with the upright post support (1), and the other end of the fixed support (3) is kept to be capable of being in abutting connection with the ground;

step five: the operator carries the comprehensive support that waits to install and stands on lift platform (6), through electric cabinet control, hoisting device (5) will lift platform (6) are high to the operation, and the operator carries out the installation operation to comprehensive support afterwards.

10. The construction method of the split type lifting platform for the small space according to claim 9, wherein in the fourth step, one end of the fixed bracket (3) which is contacted with the ground is positioned outside a frame structure formed by the upright bracket (1) and the cross brace (2).