Lifting device for train maintenance

Abstract

The utility model belongs to the technical field of train maintenance, and particularly relates to a lifting device for train maintenance, which comprises a fixed base and a fixed sheet, the fixed sheet is fixedly arranged on the upper surface of the fixed base, a lifting mechanism is arranged on the upper surface of the fixed base, and the lifting mechanism comprises a limiting unit and a variable wheelbase unit. The limiting unit comprises a telescopic column, a compression spring, a lifting mechanical body, a mechanical supporting framework, a connecting block, a limiting column and a limiting plate. According to the lifting device for train maintenance, by arranging the variable wheelbase unit, bogies of various types of trains can be lifted, the intelligent degree, the automation degree and the efficiency are high, an oil cylinder can be conveniently adjusted to push a sliding block to move and adjust through the variable wheelbase, use is convenient, and by arranging the lifting device, the strength is high, the safety is good, and installation and maintenance are convenient; the lifting device moves up and down on the outer surface of the limiting column through the connecting block to conduct lifting limiting so that the moving path can not deviate.

Description

Technical Field

[0001] The utility model relates to the technical field of train maintenance, in particular to a lifting device used for train maintenance. Background Art

[0002] Railway trains can be divided into freight cars and passenger cars according to their loads. There are also passenger and freight cars that carry both. During the use of trains, parts will gradually wear, corrode and be damaged. In order to keep the trains in good condition, ensure driving safety and extend the service life of the trains, various inspections and repairs must be carried out on the railway trains.

[0003] The bogie lifting device in the currently used maintenance equipment has a fixed wheelbase requirement when lifting the bogie, and cannot meet the different wheelbase requirements brought by various vehicle models.

[0004] Therefore, we propose a lifting device for train maintenance to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a lifting device for train maintenance to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: a lifting device for train maintenance, comprising a fixed base and a fixed plate, the fixed plate is fixedly mounted on the upper surface of the fixed base, and a lifting mechanism is arranged on the upper surface of the fixed base;

[0007] The lifting mechanism includes a limit unit and a variable wheelbase unit, the limit unit includes a telescopic column, a compression spring, a lifting machine body, a mechanical support frame, a connecting block, a limit column and a limit plate, the telescopic column is fixedly installed on the upper surface of the fixing plate, the compression spring is fixedly installed on the upper surface of the fixing plate, the lifting machine body is fixedly installed on the upper surface of the compression spring, the mechanical support frame is fixedly installed on the upper surface of the lifting machine body, the connecting block is fixedly installed on the side of the mechanical support frame, the limit column is fixedly installed on the upper surface of the fixed base, and the limit plate is fixedly installed on the upper surface of the limit column.

[0008] Preferably, the variable wheelbase unit includes a cover plate, an adjusting cylinder and a sliding block, the cover plate is fixedly mounted on the upper surface of the mechanical support frame, a groove is provided on the upper surface of the mechanical support frame, the adjusting cylinder is fixedly mounted on the inner wall of the groove, and the sliding block is fixedly mounted on the output end of the adjusting cylinder.

[0009] Preferably, a moving mechanism is provided on the upper surface of the fixed base, and the moving mechanism includes a connecting unit and a moving unit, and the connecting unit includes a fixed column, a square plate, a guide column, and a guide beam, the fixed column is fixedly installed in the middle position of the upper surface of the fixed base, the square plate is installed on the inner wall of the fixed column, the guide column is fixedly installed on the upper surface of the square plate, and the guide beam is fixedly installed on the upper surface of the guide column.

[0010] Preferably, the movable unit includes a baffle, an oil cylinder, a pushing column, a dovetail groove, a threaded column and an electric cylinder, the baffle is fixedly installed on the side of the fixed column, the oil cylinder is fixedly installed on the side of the baffle, the pushing column is installed on the output end of the oil cylinder, the dovetail groove is opened on the side of the fixed column, the threaded column is installed on the bottom surface of the guide beam, and the electric cylinder is fixedly installed on the upper surface of the threaded column.

[0011] Preferably, the connecting blocks are symmetrically distributed on the side surfaces of both ends of the mechanical support frame, the upper surface of the connecting blocks is penetrated by holes, the inner walls of the holes penetrated by the upper surface of the connecting blocks are in contact with the outer surface of the limiting column, and the diameter of the limiting plate is larger than the diameter of the limiting column.

[0012] Preferably, the fixing plates are symmetrically distributed on the upper and lower surfaces of the telescopic column, the upper end of the compression spring is fixedly connected to the bottom surface of the fixing plate fixedly installed on the upper surface of the telescopic column, and the bottom surface of the lifting machine body is fixedly connected to the upper surface of the fixing plate.

[0013] Preferably, grooves are sequentially opened at equal intervals on the upper surface of the mechanical support frame, and the adjusting oil cylinders are fixedly installed at equal intervals on the inner walls of the grooves, and the adjusting oil cylinders are symmetrically distributed on both sides of the upper surface of the mechanical support frame.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The lifting device for train maintenance can lift bogies of various models by setting a variable wheelbase unit. It is intelligent, highly automated and efficient. The variable wheelbase can facilitate the adjustment of the oil cylinder to push the sliding block for movement and adjustment for easy use.

[0016] 2. The lifting device used for train maintenance has high strength, good safety, and is easy to install and maintain by setting the lifting device. The lifting device moves up and down on the outer surface of the limit column through the connecting block to perform lifting limit and keep the moving path without deviation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the lifting mechanism structure of the utility model;

[0019] Figure 3 for Figure 2 A schematic diagram of the local enlarged structure at point A in the middle;

[0020] Figure 4 It is a schematic diagram of the structure of the mobile mechanism of the utility model.

[0021] In the figure: 1, fixed base; 2, fixed column; 201, baffle; 202, oil cylinder one ; 203, push column; 204, square plate; 205, guide column; 206, dovetail groove; 207, guide beam; 208, threaded column; 209, electric cylinder; 3, fixing plate; 301, telescopic column; 302, compression spring; 303, lifting machine body; 304, mechanical support frame; 305, connecting block; 306, limit column; 307, limit plate; 308, cover plate; 309, adjusting cylinder; 310, sliding block. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-Figure 4 , the utility model provides a technical solution:

[0024] Embodiment 1: A lifting device for train maintenance, comprising a fixed base 1 and a fixed plate 3, wherein the fixed plate 3 is fixedly mounted on the upper surface of the fixed base 1, and a lifting mechanism is arranged on the upper surface of the fixed base 1;

[0025] The lifting mechanism includes a limiting unit and a variable wheelbase unit. The limiting unit includes a telescopic column 301, a compression spring 302, a lifting machine body 303, a mechanical support frame 304, a connecting block 305, a limiting column 306 and a limiting plate 307. The telescopic column 301 is fixedly installed on the upper surface of the fixing plate 3, the compression spring 302 is fixedly installed on the upper surface of the fixing plate 3, the lifting machine body 303 is fixedly installed on the upper surface of the compression spring 302, the mechanical support frame 304 is fixedly installed on the upper surface of the lifting machine body 303, the connecting block 305 is fixedly installed on the side of the mechanical support frame 304, and the limiting column 306 is fixedly installed on the upper surface of the mechanical support frame 304. 06 is fixedly installed on the upper surface of the fixed base 1, the limit plate 307 is fixedly installed on the upper surface of the limit column 306, the connecting blocks 305 are symmetrically distributed on the sides of both ends of the mechanical support frame 304, and the upper surface of the connecting block 305 is penetrated with holes. The inner wall of the hole penetrated on the upper surface of the connecting block 305 is in contact with the outer surface of the limit column 306. The diameter of the limit plate 307 is larger than the diameter of the limit column 306. By setting a lifting device, the strength is high, the safety is good, and it is easy to install and maintain. The lifting device moves up and down on the outer surface of the limit column 306 through the connecting block 305 to lift and limit the movement path without deviation.

[0026] The variable wheelbase unit includes a cover plate 308, an adjustment cylinder 309 and a sliding block 310. The cover plate 308 is fixedly mounted on the upper surface of the mechanical support frame 304. The upper surface of the mechanical support frame 304 is provided with a groove. The adjustment cylinder 309 is fixedly mounted on the inner wall of the groove. The sliding block 310 is fixedly mounted on the output end of the adjustment cylinder 309. The fixed plates 3 are symmetrically distributed on the upper and lower surfaces of the telescopic column 301. The upper end of the compression spring 302 is fixedly connected to the bottom surface of the fixed plate 3 fixedly mounted on the upper surface of the telescopic column 301. The bottom surface of the mechanical body 303 is fixedly connected to the upper surface of the fixing plate 3, and grooves are arranged in sequence at equal intervals on the upper surface of the mechanical support frame 304. The adjusting cylinders 309 are fixedly installed on the inner walls of the grooves at equal intervals. The adjusting cylinders 309 are symmetrically distributed on both sides of the upper surface of the mechanical support frame 304. By setting a variable wheelbase unit, the bogies of various types can be lifted, which is intelligent, highly automated and efficient. The variable wheelbase can facilitate the adjustment of the cylinder 309 to push the sliding block 310 to move and adjust for easy use.

[0027] The electric cylinder 209 drives the threaded column 208 to rotate so that the threaded column 208 drives the mechanical support frame 304 to lift on the upper surface of the lifting machine body 303. When the mechanical support frame 304 moves, the connecting block 305 moves on the outer surface of the limit column 306 to limit the rising path without deviation. After lifting and descending, the bottom surface of the lifting machine body 303 contacts the fixed plate 3 to squeeze the telescopic column 301 and the compression spring 302, so that the compression spring 302 generates a reset force to maintain a smooth descent. After lifting, the oil cylinder 309 is adjusted to push the sliding block 310 to move on the inner wall of the groove opened on the upper surface of the mechanical support frame 304 to change the wheelbase for use.

[0028] Embodiment 2: Based on embodiment 1, a moving mechanism is provided on the upper surface of the fixed base 1, and the moving mechanism includes a connecting unit and a moving unit, and the connecting unit includes a fixed column 2, a square plate 204, a guide column 205, and a guide beam 207. The fixed column 2 is fixedly installed in the middle position of the upper surface of the fixed base 1, the square plate 204 is installed on the inner wall of the fixed column 2, the guide column 205 is fixedly installed on the upper surface of the square plate 204, and the guide beam 207 is fixedly installed on the upper surface of the guide column 205.

[0029] The mobile unit includes a baffle 201, a cylinder 202, a push column 203, a dovetail groove 206, a threaded column 208 and an electric cylinder 209. The baffle 201 is fixedly installed on the side of the fixed column 2, the cylinder 202 is fixedly installed on the side of the baffle 201, the push column 203 is installed at the output end of the cylinder 202, the dovetail groove 206 is opened on the side of the fixed column 2, the threaded column 208 is installed on the bottom surface of the guide beam 207, and the electric cylinder 209 is fixedly installed on the upper surface of the threaded column 208.

[0030] The oil cylinder 202 is installed on the side of the baffle 201. When the oil cylinder 202 works, it pushes the push column 203 to move, driving the square plate 204 to move on the inner wall of the dovetail groove 206, thereby moving and adjusting the position of the guide beam 207. At the same time, the electric cylinder 209 fixedly installed on the inner wall of the guide beam 207 works to drive the threaded column 208 to rotate to realize the synchronous lifting of the guide beam 207 and the mechanical support frame 304.

[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A lifting device for train maintenance, comprising a fixed base (1) and a fixed plate (3), wherein the fixed plate (3) is fixedly mounted on the upper surface of the fixed base (1), characterized in that: The upper surface of the fixed base (1) is provided with a lifting mechanism; The lifting mechanism comprises a limiting unit and a variable wheelbase unit, wherein the limiting unit comprises a telescopic column (301), a compression spring (302), a lifting machine body (303), a mechanical support frame (304), a connecting block (305), a limiting column (306) and a limiting plate (307), wherein the telescopic column (301) is fixedly mounted on the upper surface of a fixing plate (3), the compression spring (302) is fixedly mounted on the upper surface of a fixing plate (3), the lifting machine body (303) is fixedly mounted on the upper surface of the compression spring (302), the mechanical support frame (304) is fixedly mounted on the upper surface of the lifting machine body (303), the connecting block (305) is fixedly mounted on a side of the mechanical support frame (304), the limiting column (306) is fixedly mounted on the upper surface of a fixed base (1), and the limiting plate (307) is fixedly mounted on the upper surface of the limiting column (306).

2. A lifting device for train maintenance according to claim 1, characterized in that: The variable wheelbase unit comprises a cover plate (308), an adjusting oil cylinder (309) and a sliding block (310); the cover plate (308) is fixedly mounted on the upper surface of a mechanical support frame (304); a groove is provided on the upper surface of the mechanical support frame (304); the adjusting oil cylinder (309) is fixedly mounted on the inner wall of the groove; and the sliding block (310) is fixedly mounted on the output end of the adjusting oil cylinder (309).

3. A lifting device for train maintenance according to claim 1, characterized in that: The upper surface of the fixed base (1) is provided with a moving mechanism, the moving mechanism comprising a connecting unit and a moving unit, the connecting unit comprising a fixed column (2), a square plate (204), a guide column (205), and a guide beam (207), the fixed column (2) being fixedly mounted at a middle position of the upper surface of the fixed base (1), the square plate (204) being mounted on an inner wall of the fixed column (2), the guide column (205) being fixedly mounted on the upper surface of the square plate (204), and the guide beam (207) being fixedly mounted on the upper surface of the guide column (205).

4. A lifting device for train maintenance according to claim 3, characterized in that: The mobile unit comprises a baffle (201), a cylinder (202), a push column (203), a dovetail groove (206), a threaded column (208) and an electric cylinder (209); the baffle (201) is fixedly mounted on the side of the fixed column (2); the cylinder (202) is fixedly mounted on the side of the baffle (201); the push column (203) is mounted on the output end of the cylinder (202); the dovetail groove (206) is opened on the side of the fixed column (2); the threaded column (208) is mounted on the bottom surface of the guide beam (207); and the electric cylinder (209) is fixedly mounted on the upper surface of the threaded column (208).

5. A lifting device for train maintenance according to claim 1, characterized in that: The connection blocks (305) are symmetrically distributed on the side surfaces of both ends of the mechanical support frame (304); holes are penetrated through the upper surface of the connection blocks (305); the inner wall of the hole penetrated through the upper surface of the connection blocks (305) is in contact with the outer surface of the limiting column (306); and the diameter of the limiting plate (307) is greater than the diameter of the limiting column (306).

6. A lifting device for train maintenance according to claim 1, characterized in that: The fixing plate (3) is symmetrically distributed on the upper and lower surfaces of the telescopic column (301); the upper end of the compression spring (302) is fixedly connected to the bottom surface of the fixing plate (3) fixedly mounted on the upper surface of the telescopic column (301); and the bottom surface of the lifting machine body (303) is fixedly connected to the upper surface of the fixing plate (3).

7. A lifting device for train maintenance according to claim 2, characterized in that: The upper surface of the mechanical support frame (304) is provided with grooves in sequence at equal intervals, and the adjusting oil cylinders (309) are fixedly installed on the inner walls of the grooves at equal intervals. The adjusting oil cylinders (309) are symmetrically distributed on both sides of the upper surface of the mechanical support frame (304).

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