Multifunctional ladder trolley for steel structure frame construction

Abstract

The utility model belongs to the technical field of building construction equipment, and particularly relates to a multifunctional ladder truck for steel structure frame construction. The whole bottom frame is a rectangular frame, a rotatable front longitudinal frame is arranged at the front end of the rectangular frame, and a rotatable rear longitudinal frame is arranged at the rear end of the rectangular frame. The front longitudinal frame and the rear longitudinal frame are symmetrically arranged in parallel; a turnover panel is arranged at the top end between the rear longitudinal frames; a front transverse support A, a front transverse support B and a front transverse support C which are horizontally welded are sequentially arranged between the front longitudinal frames from top to bottom; a rear transverse support A and a rear transverse support B are sequentially arranged between the rear longitudinal frames from top to bottom. Four positioning blocks and positioning plates which are evenly distributed are welded to the four corners of the inner side of the bottom frame. The multifunctional tool can be changed into various forms so as to be suitable for construction states of different scenes, the purpose that one tool has multiple purposes can be achieved, the operation process can be completed by one person, operation is easy and convenient, and working efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of building construction equipment, in particular to a multifunctional ladder vehicle for steel structure frame construction. Background Art

[0002] In the construction of steel structure frames, the working surface of the steel structure frames is often at a high height. During construction work, the use of ladders is indispensable. Sometimes a straight ladder is needed for high-altitude work, and sometimes construction workers need to stand on the pedals of a stepladder to work. In addition, continuous work is required at different locations and heights in the same area. Constantly moving ladders and carrying various tools add unnecessary trouble to workers. The folding ladders currently on the market have no other use functions after being folded. The functions are too single and affect the construction efficiency.

[0003] In the application number 201821440401.9, a simple multifunctional ladder car suitable for subway construction is disclosed, including a ladder car frame, the top of the ladder car frame is fixedly connected with a storage platform, both sides of the top of the ladder car frame are fixedly connected with columns, and a cross pipe is fixedly connected between the opposite sides of the two column surfaces, a ladder is welded between one side of the top of the ladder car frame and the surface of the cross pipe, and a working platform is hinged between the opposite sides of the two column surfaces through a heavy hinge, and the surface of the column is fixedly connected with a cross bar through bolts. However, the multifunctional ladder car is large in size, cumbersome in use, and at least one dedicated construction worker is required to move the ladder car, which increases the operating cost, is inconvenient to move, and cannot make it convenient and efficient for construction workers to use. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a multifunctional ladder truck for steel structure frame construction, which solves the problems that the existing ladder trucks have too single functions, are cumbersome to use, have low construction efficiency, and are not conducive to steel structure construction.

[0005] In order to achieve the above-mentioned purpose of the new use, the utility model adopts the following technical solutions:

[0006] A multifunctional ladder vehicle for steel structure frame construction comprises a base frame; the base frame is a rectangular frame as a whole, a rotatable front longitudinal frame is arranged at the front end of the rectangular frame, and a rotatable rear longitudinal frame is arranged at the rear end; the front longitudinal frame and the rear longitudinal frame are arranged in parallel and symmetrically; a flippable panel is arranged at the top end between the rear longitudinal frames; horizontally welded front cross braces A, front cross braces B and front cross braces C are arranged in sequence from top to bottom between the front longitudinal frames; rear cross braces A and rear cross braces B are arranged in sequence from top to bottom between the rear longitudinal frames; four evenly distributed positioning blocks and positioning plates are welded at the four corners of the inner side of the base frame; guide wheels with locking function are connected to both sides of the front end of the base frame, and supporting feet are fixedly connected to both sides of the rear end of the base frame.

[0007] The bottom ends of the front longitudinal frame and the rear longitudinal frame are both arranged between the positioning block and the bottom frame, and are rotatably connected via a rotating shaft arranged on the positioning block.

[0008] The front longitudinal frame and the rear longitudinal frame are both retractable frames, and the frame bodies thereof are provided with mounting holes and positioning bolts corresponding to each other.

[0009] The connecting end of the panel is rotatably connected to the rear longitudinal frame via a rotating shaft.

[0010] The bottom surface of the panel is welded with positioning strips uniformly distributed laterally; the positions of the positioning strips correspond to the front cross brace A, and the positioning strips and the front cross brace A are fixed in position by positioning screws arranged on the front cross brace A.

[0011] The top surface of the flipping end of the panel corresponds to the position of the front cross brace C, and can be clamped at the lower part of the front cross brace C to limit the flipping of the panel.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) By setting the front longitudinal frame and the rear longitudinal frame as retractable frames, the ladder truck can be transformed into a ladder form, and the height can be adjusted as a whole to be suitable for construction conditions of different heights in steel structure construction;

[0014] (2) By setting the front and rear longitudinal frames as flip frames, the ladder truck can be folded into a flat state, which is convenient for storage and transportation;

[0015] (3) By setting up a reversible panel, the ladder truck can be transformed into a trolley to facilitate the transportation of construction tools, achieving the purpose of multiple uses and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model.

[0017] Figure 2 It is the use state of the utility model Figure 1 .

[0018] Figure 3 It is the use state of the utility model Figure 2 .

[0019] In the figure: 1, base frame, 2, front longitudinal frame, 3, rear longitudinal frame, 4, panel, 5, positioning block, 6, positioning plate, 7, guide wheel, 8, support foot, 9, mounting hole, 10, positioning bolt, 11, positioning bar, 12, positioning screw, 21, front cross brace A, 22, front cross brace B, 23, front cross brace C, 31, rear cross brace A, 32, rear cross brace B. DETAILED DESCRIPTION

[0020] The utility model is described below in conjunction with the accompanying drawings.

[0021] like Figure 1-Figure 3 The multifunctional ladder vehicle for steel structure frame construction shown in the figure comprises a chassis 1; the chassis 1 is a rectangular frame as a whole, a rotatable front longitudinal frame 2 is arranged at the front end of the rectangular frame, and a rotatable rear longitudinal frame 3 is arranged at the rear end; the front longitudinal frame 2 and the rear longitudinal frame 3 are arranged parallel and symmetrically; the front longitudinal frame 2 and the rear longitudinal frame 3 can be flipped and retracted for easy use; a flip panel 4 is arranged at the top between the rear longitudinal frames 3; the front longitudinal frames 2 are horizontally welded with a front cross brace A21, a front cross brace B22 and a front cross brace C23 from top to bottom; the rear cross brace A31 and the rear cross brace B32 are arranged from top to bottom between the rear longitudinal frames 3; four uniformly distributed positioning blocks 5 and positioning plates 6 are welded at the four corners of the inner side of the chassis 1; the bottom ends of the front longitudinal frame 2 and the rear longitudinal frame 3 are arranged between the positioning block 5 and the chassis 1, and are rotatably connected by a rotating shaft arranged on the positioning block 5; here, the role of the positioning block 5 is to allow the front longitudinal frame 2 to be placed on the fixed The positioning block 5 and the base frame 1, as well as the positioning plate 6, are used for the front longitudinal frame 2 to be placed downward after recovery, and its end can be placed on the positioning plate 6 and parallel to the base frame 1 for easy storage, so that the ladder car can be recovered as a flat plate for easy transportation; the front end of the base frame 1 is connected to the guide wheels 7 with locking function on both sides, and the rear end of the base frame 1 is fixedly connected to the legs 8 on both sides; the guide wheels 7 adopt a locking function to fix the ladder car in the ladder state, so that it is not easy to move and improve the safety performance; the legs 8 are used to support the frame when the ladder car is in the ladder state, and are used for the handle of the trolley when the ladder car is in the trolley state; the front longitudinal frame 2 and the rear longitudinal frame 3 are both retractable frames, and the frame bodies are provided with mounting holes 9 and positioning bolts 10 that correspond to each other. Here, by setting the front longitudinal frame 2 and the rear longitudinal frame 3 as retractable frames, the frame body can be extended when constructing on a higher working surface, and fixed by the positioning bolts 10, so that the entire ladder car is suitable for different scenes, which is convenient and efficient.

[0022] The connecting end of the panel 4 is rotatably connected to the rear longitudinal frame 3 through a rotating shaft; the bottom surface of the panel 4 is welded with a positioning strip 11 uniformly distributed laterally; the position of the positioning strip 11 corresponds to the front cross brace A21, and the positioning strip 11 and the front cross brace A21 are fixedly positioned by a positioning screw 12 arranged on the front cross brace A21; the top surface of the flip end of the panel 4 corresponds to the position of the front cross brace C23, and can be clamped at the lower part of the front cross brace C23 to limit the flipping of the panel; here the panel 4 can be flipped between the rear longitudinal frames 3, and when the ladder car as a whole needs to be used as a ladder The front side of the panel 4 faces upward, and the positioning strip 11 under the panel surface can be clamped on the inner side surface of the front cross brace A21, and the positioning screws 12 arranged thereon can be used to fix the panel 4 and the front cross brace A21 to ensure the safety of high-altitude operations; when the ladder truck as a whole needs to be transformed into a trolley, the panel 4 can be flipped over so that the front side of the panel 4 forms an acute angle with the front and rear longitudinal frames, and the top surface of the flipped end of the panel 4 can be clamped on the lower part of the front cross brace C23 to limit the flipping of the panel, so that the ladder truck as a whole can be transformed into a trolley state for pushing construction tools, thereby achieving the purpose of multiple uses and improving construction efficiency.

[0023] When the utility model is in use, firstly, when in the ladder state, the front longitudinal frame 2 and the rear longitudinal frame 3 can be rotated and opened, and after being pulled out to a suitable length, the positioning bolts 10 are tightened to fix them, and then the panel 4 is facing upward, so that the positioning strip 11 under the panel surface can be clamped on the inner side of the front cross brace A21 and the positioning screws 12 are tightened to fix the panel 4 and the front cross brace A21 firmly, and finally the guide wheels are locked, and the ladder state can be used for high-altitude operations at the steel structure; when it is necessary to transport construction tools and use the cart state, the front longitudinal frame 2 and the rear longitudinal frame 3 can be recovered, and the front longitudinal frame 2 can be rotated and lowered to the bottom frame 1, and then The rear longitudinal frame 3 is rotated and lowered to the base frame 1 and pressed on the front longitudinal frame 2, and the panel 4 is flipped over so that the front side of the panel 4 forms an acute angle with the front and rear longitudinal frames, and the top surface of the flipped end of the panel 4 can be clamped at the lower part of the front cross brace C23 to limit the flipping of the panel. The ladder car can be moved by pushing the support legs 8, so that the ladder car as a whole is transformed into a small cart state for pushing construction tools; when the construction is completed, the panel 4 is flipped over so that the back side of the panel 4 faces upward, and the ladder car as a whole can be recovered into a flat plate state for convenient transportation; the utility model multifunctional ladder car can achieve the purpose of one tool for multiple uses, and the operation process can be completed by one person, and the operation is simple and convenient, thereby improving work efficiency.

[0024] The preferred implementation modes of the utility model are described in detail above, but the present invention is not limited to the above implementation modes. Various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of the present invention.

Claims

1. A multifunctional ladder vehicle for steel structure frame construction, comprising a base frame (1); wherein: The chassis (1) is a rectangular frame as a whole, wherein a rotatable front longitudinal frame (2) is arranged at the front end of the rectangular frame, and a rotatable rear longitudinal frame (3) is arranged at the rear end; the front longitudinal frame (2) and the rear longitudinal frame (3) are arranged in parallel and symmetrically; a flippable panel (4) is arranged at the top end between the rear longitudinal frames (3); a horizontally welded front cross brace A (21), a front cross brace B (22) and a front cross brace C (23) are arranged in sequence from top to bottom between the front longitudinal frames (2); a rear cross brace A (31) and a rear cross brace B (32) are arranged in sequence from top to bottom between the rear longitudinal frames (3); four uniformly distributed positioning blocks (5) and positioning plates (6) are welded at the four corners of the inner side of the chassis (1); guide wheels (7) with a locking function are connected to both sides of the front end of the chassis (1), and legs (8) are fixedly connected to both sides of the rear end of the chassis (1).

2. The multifunctional ladder vehicle for steel structure frame construction according to claim 1 is characterized in that: The bottom ends of the front longitudinal frame (2) and the rear longitudinal frame (3) are both arranged between the positioning block (5) and the bottom frame (1), and are rotatably connected via a rotating shaft arranged on the positioning block (5).

3. The multifunctional ladder vehicle for steel structure frame construction according to claim 1 is characterized in that: The front longitudinal frame (2) and the rear longitudinal frame (3) are both retractable frames, and are provided with mounting holes (9) and positioning bolts (10) corresponding to each other on their frame bodies.

4. The multifunctional ladder vehicle for steel structure frame construction according to claim 1 is characterized in that: The connection end of the panel (4) is rotatably connected to the rear longitudinal frame (3) via a rotating shaft.

5. The multifunctional ladder vehicle for steel structure frame construction according to claim 3 is characterized in that: The bottom surface of the panel (4) is welded with a positioning strip (11) uniformly distributed laterally; the position of the positioning strip (11) corresponds to the front cross brace A (21), and the positioning strip (11) and the front cross brace A (21) are fixed in position by a positioning screw (12) arranged on the front cross brace A (21).

6. The multifunctional ladder vehicle for steel structure frame construction according to claim 1 is characterized in that: The top surface of the flipping end of the panel (4) corresponds to the position of the front cross brace C (23) and can be clamped at the bottom of the front cross brace C (23) to limit the flipping of the panel (4).

Images