Fixing structure for aluminum pipe and steel drag chain of overhead working truck
By using thick steel plates or welded parts to clamp the thin steel plates to the ends of the aluminum tubes, the welding problem of aluminum tubes and steel drag chains in aerial work platforms is solved, achieving stable fixation and cost reduction.
Patent Information
- Application Number
- CN202422991534.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-04
AI Technical Summary
The existing method of fixing aluminum tubes and steel drag chains in aerial work platforms requires welding, which results in high cost, difficulty and waste of materials, and aluminum tubes are prone to deformation.
The aluminum tube end is connected by clamping thick steel plates or welded parts with thin steel plates, and the aluminum tube, steel drag chain and boom are fixed by bolts, avoiding welding and simplifying the assembly process.
This method achieves stable fixing of aluminum tubes and steel cable chains, reduces costs and labor intensity, simplifies the assembly process, and prevents deformation of aluminum tubes.
Smart Images
Figure CN223722749U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to engineering machinery technical field, especially a kind of aluminium pipe and steel tow chain fixing structure of aerial work vehicle. BACKGROUND
[0002] Aerial work platform is an advanced aerial work machinery, can greatly improve the work efficiency of aerial construction personnel, high safety, good comfort, and can reduce the labor intensity of laborer, is widely used in developed countries. The demand of aerial vehicle in China is also growing rapidly, and the application range of aerial vehicle is also expanding.
[0003] The fixing of wire harness and hydraulic oil pipe from the telescopic arm side edge through the arm frame to the working platform of aerial vehicle generally adopts the combination mode of tow chain+aluminum pipe. The form of aluminum pipe, for the general direct punching on aluminum pipe, directly assembling plastic tow chain on aluminum pipe, simple and economical. But for some aerial work platforms with large telescopic length (tow chain overhead length is larger), generally adopt the form of steel tow chain+aluminum square tube. At this time, due to the large weight of steel tow chain, the tow chain is directly assembled on the 3mm thick aluminum square tube, which is easy to cause the deformation of aluminum pipe, generally welding reinforcing plate 50 at the end of aluminum pipe to strengthen the head. For aerial work platforms with large telescopic length, the telescopic length is large, the required aluminum pipe length is longer, and the place where aluminum pipe and arm frame are fixed (the other end where aluminum pipe and tow chain are fixed) also needs to be strengthened, generally also adopts the form of welding plate, and its connection mode is shown in Figure 3 、 Figure 4
[0004] The existing form of aluminum pipe and steel tow chain fixing needs to be welded and reinforced at both ends of aluminum pipe. As known, the welding of aluminum pipe is difficult, needs special welding equipment, complex structure and high cost. Although the form of welding reinforcing plate at the end of aluminum pipe can solve the rigidity problem of aluminum pipe connection, it wastes materials, increases the labor intensity of workers, needs to purchase special equipment, has high cost, needs to set up special welding position, and wastes a lot of space and manpower. INVENTION CONTENTS
[0005] The utility model aims at providing a kind of aluminium pipe and steel tow chain fixing structure of aerial work vehicle, connect with the end of aluminum pipe by the way of thick steel plate or welding piece and thin steel plate clamping, to further strengthen the fixing of aluminum pipe end and tow chain, the fixing of aluminum pipe end and arm frame, simple and convenient assembly, solve the problem of high cost, high strength, difficult of existing welding connection.
[0006] The above technical purpose of the utility model is realized by the following technical scheme:
[0007] The utility model provides a kind of high-altitude working truck aluminum pipe and steel tow chain fixing structure, including jib, aluminum pipe and steel tow chain, one end of the aluminum pipe is connected with steel tow chain by first clamping assembly, the other end of the aluminum pipe is connected with jib by second clamping assembly.
[0008] As the preferred of the utility model, the first clamping assembly includes transition steel plate and first thin steel plate, one end of the transition steel plate and the first thin steel plate are clamped at one end of the aluminum pipe, and both are connected by a plurality of first bolts, and the transition steel plate and the first thin steel plate are attached to the outer wall of the aluminum pipe.
[0009] The transition steel plate can also be a welded part.
[0010] The first bolt passes through the aluminum pipe.
[0011] The other end of the transition steel plate is connected with the steel tow chain by a plurality of second bolts.
[0012] As the preferred of the utility model, the thickness of the transition steel plate or the welded part is greater than 10 mm, which has sufficient rigidity.
[0013] As the preferred of the utility model, the second clamping assembly includes a bracket and a second thin steel plate, the bracket and the second thin steel plate are clamped at the other end of the aluminum pipe, and both are connected by a plurality of third bolts.
[0014] The third bolt passes through the aluminum pipe.
[0015] As the preferred of the utility model, the bracket is in the shape of an L-shaped plate, one end of the bracket is attached to the outer wall of the aluminum pipe, and the other end of the bracket is fixed to the jib by a plurality of fourth bolts.
[0016] The utility model has the following advantages:
[0017] Compared with the prior art, the end of the aluminum pipe is connected with the aluminum pipe by clamping the thick steel plate or the welded part and the thin steel plate, thereby strengthening the fixation of the aluminum pipe end and the tow chain, and the fixation of the aluminum pipe end and the jib, which is simple and convenient to assemble, and solves the problems of high cost, high strength and difficulty in welding connection in the prior art. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 The connection structure between the aluminum pipe and the steel tow chain of the utility model;
[0019] Figure 2 The connection structure between the aluminum pipe and the jib of the utility model;
[0020] Figure 3 The existing aluminum pipe and steel tow chain fixing form of the aerial work platform;
[0021] Figure 4 The existing aluminum pipe and jib fixing form of the aerial work platform.
[0022] 20, aluminum pipe; 30, steel drag chain; 40, first clamping assembly; 50, second clamping assembly; 60, aluminum pipe end welding reinforcement plate;
[0023] 401, transition steel plate; 402, first thin steel plate; 403, first bolt; 404, second bolt;
[0024] 501, bracket; 502, second thin steel plate; 503, third bolt; 504, fourth bolt. DETAILED DESCRIPTION
[0025] The specific embodiments of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.
[0026] The following references are made to Figures 1 to 2 The embodiments of the utility model are explained as follows:
[0027] A high-altitude operation vehicle aluminum pipe and steel drag chain fixing structure, including jib, aluminum pipe 20 and steel drag chain 30, one end of the aluminum pipe 20 is connected with the steel drag chain 30 through the first clamping assembly 40, the other end of the aluminum pipe 20 is connected with the jib through the second clamping assembly 50.
[0028] The first clamping assembly 40 includes transition steel plate 401 and first thin steel plate 402, one end of the transition steel plate 401 and the first thin steel plate 402 are clamped on one end of the aluminum pipe 20 and are connected through a plurality of first bolts 403; the thickness of the transition steel plate 401 is greater than 10 ㎜, which has sufficient rigidity, and the transition steel plate can be replaced by a welding piece.
[0029] The first bolt 403 passes through the aluminum pipe 20.
[0030] As shown in Figure 1 , Figure 2 The mounting holes of the first bolt 403 and the third bolt 503 are located in the corner area of the aluminum pipe 20, and this area has higher structural strength.
[0031] The space layout inside the aluminum pipe 20 allows the first bolt 403 and the third bolt 503 to pass through the corner of the pipe wall, thereby leaving concentrated arrangement space for the wire harness and hydraulic oil pipe, avoiding mutual interference.
[0032] The other end of the transition steel plate 401 is connected with the steel drag chain 30 through a plurality of second bolts 404.
[0033] The transition steel plate and the aluminum pipe are assembled at one end, on one hand, the contact surface is increased, and the aluminum pipe is adhered to the upper side of the aluminum pipe; on the other hand, a first thin steel plate is added at the bottom of the aluminum pipe, the stress area is increased, the upper transition steel plate and the bottom first thin steel plate are tightly clamped on the aluminum pipe through the first bolts, the transition steel plate connected with the steel drag chain and the aluminum pipe form an integral whole, the stress of the end of the aluminum pipe is improved, and the same effect as welding a reinforcing plate at the end of the aluminum pipe is achieved.
[0034] The second clamping assembly 50 comprises a bracket 501 and a second thin steel plate 502, the bracket 501 and the second thin steel plate 502 are clamped at the other end of the aluminum pipe 20, and the two are connected through a plurality of third bolts 503.
[0035] The third bolts 503 pass through the aluminum pipe 20.
[0036] The bracket 501 is in the shape of an L-shaped plate, one end of the bracket 501 is adhered to the outer wall of the aluminum pipe 20, and the other end of the bracket 501 is fixed with the arm support through a plurality of fourth bolts 504.
[0037] Fixing of the aluminum pipe and the arm support: for the aerial work platform with a large telescopic length, the required length of the aluminum pipe is longer, and the self weight is larger. The upper and lower clamping through the steel plate is adopted to improve the stress of the end of the aluminum pipe. On one hand, a second thin steel plate is added at the upper end of the aluminum pipe to increase the stress area, a bracket is added below the aluminum pipe, and the aluminum pipe and the bracket are tightly clamped together through the third bolts to form an integral whole, and the same effect as welding a reinforcing plate on the aluminum pipe is achieved.
[0038] The above is only the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and modifications can be made, and the above-mentioned improvements and modifications are also regarded as the protection scope of the present application.
Claims
1. An aerial work platform aluminum tube and steel drag chain fixing structure, comprising an arm support, an aluminum tube (20) and a steel drag chain (30), characterized in that: The aluminum pipe (20) is connected with the steel drag chain (30) through the first clamping assembly (40) at one end, and is connected with the arm support through the second clamping assembly (50) at the other end.
2. The aerial work platform aluminum pipe and steel drag chain fixing structure according to claim 1, characterized in that: The first clamping assembly (40) comprises a transition steel plate (401) and a first thin steel plate (402), one end of the transition steel plate (401) and the first thin steel plate (402) are clamped on one end of the aluminum pipe (20), and the two are connected through a plurality of first bolts (403); The first bolt (403) penetrates the aluminum pipe (20); The other end of the transition steel plate (401) is connected with the steel drag chain (30) through a plurality of second bolts (404).
3. The aerial work platform aluminum pipe and steel drag chain fixing structure according to claim 2, characterized in that: The transition steel plate (401) can also be a welded part.
4. The aerial work platform aluminum pipe and steel drag chain fixing structure according to claim 2 or 3, characterized in that: The thickness of the transition steel plate (401) is greater than 10 mm.
5. The aerial work platform aluminum pipe and steel drag chain fixing structure according to claim 1, characterized in that: The second clamping assembly (50) comprises a bracket (501) and a second thin steel plate (502), the bracket (501) and the second thin steel plate (502) are clamped on the other end of the aluminum pipe (20), and the two are connected through a plurality of third bolts (503); The third bolt (503) penetrates the aluminum pipe (20).
6. The aerial work platform aluminum pipe and steel drag chain fixing structure according to claim 5, characterized in that: The bracket (501) is in the shape of an L-shaped plate, one end of the bracket (501) is attached to the outer wall of the aluminum pipe (20), and the other end of the bracket (501) is fixed with the arm support through a plurality of fourth bolts (504).