Hoisting device for locomotive chassis welding
By designing a hoisting device that includes a hydraulic cylinder and an electric push rod, the problem of the non-adjustable welding angle of the locomotive underframe was solved, achieving flexibility in angle adjustment and clamping, and improving welding efficiency.
Patent Information
- Application Number
- CN202423105963.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-17
AI Technical Summary
The existing equipment cannot change the welding angle of the locomotive underframe, resulting in reduced welding flexibility and affecting the processing flow.
A hoisting device was designed, comprising components such as a fixed plate, a hydraulic cylinder, a connecting rod, a connecting plate, and an electric push rod. The hydraulic cylinder drives the connecting rod and the connecting plate to rotate, changing the angle of the fixed plate, and the electric push rod clamps the locomotive underframe, thus achieving angle adjustment and clamping fixation.
It enables flexible adjustment and stable clamping of the welding angle of the locomotive underframe, improving the flexibility and efficiency of welding.
Smart Images

Figure CN223575964U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to hoisting technical field, concretely is a kind of hoisting device for locomotive underframe welding. BACKGROUND
[0002] As the key basic component of locomotive, the welding quality and efficiency of locomotive underframe directly affect the overall performance and production cycle of locomotive. With the expansion of locomotive manufacturing scale, it is urgent to need an efficient and accurate welding hoisting device to meet the large-scale production demand of locomotive underframe welding.
[0003] Prior art: the lifting mechanism uses electric hoist or hydraulic jack, and is matched with drum and steel wire rope (or chain) to realize the lifting of underframe; the walking mechanism contains track and wheel and driving motor to accurately move and automatically run in workshop; the bearing structure, such as bridge and gantry, provides installation basis for lifting and walking mechanism, and ensures stable operation of the whole device, so that the underframe can be lifted to each welding station.
[0004] However, the welding angle of the locomotive underframe cannot be changed during the operation of the traditional equipment, which leads to the decrease of the welding flexibility of the locomotive underframe, and prolongs the processing flow of the locomotive underframe. Therefore, we propose a hoisting device for locomotive underframe welding. UTILITY MODEL CONTENTS
[0005] One of the technical problems to be solved by the present application is that the welding angle of the locomotive underframe cannot be changed during the operation of the equipment.
[0006] To solve the above technical problems, the present application provides a hoisting device for locomotive underframe welding, which comprises a hoisting device for locomotive underframe welding, comprising a fixed plate one, the upper part of the fixed plate one is provided with a main unit for lifting and lowering the height of the fixed plate one, the right lower part of the fixed plate one is rotatably connected with a fixed plate two, the lower part of the fixed plate one is provided with an adjusting piece for changing the angle of the fixed plate two, and the lower edge of the fixed plate two is provided with a plurality of evenly distributed clamping pieces for clamping the locomotive underframe.
[0007] Preferably, the adjusting piece comprises a hydraulic cylinder arranged on the lower left side of the fixed plate one, the right end of the hydraulic cylinder is provided with a connecting rod, the front and rear ends of the connecting rod are rotatably connected with connecting plates, the ends of the two connecting plates away from the connecting rod are rotatably connected at the right upper edge of the fixed plate two, and the lower middle part of the fixed plate one is provided with a guide piece two for assisting the movement of the connecting rod.
[0008] Preferably, the guide piece two comprises two limiting blocks two, and the lower front and rear sides of the fixed plate one are provided with limiting grooves three, and the two limiting blocks two are respectively slid in the two limiting grooves three.
[0009] As preferred, the main unit comprises a frame arranged above the fixed plate one, the lower part of the frame is provided with an electric hoist, the upper edge of the fixed plate one is provided with a steel cable, the lower end of the electric hoist is hooked in the ring of the upper part of the steel cable.
[0010] As preferred, the clamping piece comprises an electric push rod arranged at the lower edge of the fixed plate two, one end of the electric push rod is provided with a push block, the left and right ends of the push block are respectively slidably connected with clamps, the side close to the push block of the clamp is provided with a limiting groove one, the left and right ends of the push block are respectively slidably arranged in the limiting groove one, the lower part of the fixed plate two is provided with a guide one for assisting the movement of the clamp.
[0011] As preferred, the guide one comprises a limiting block one, one limiting block one is arranged at the upper part of one clamp, the lower edge of the fixed plate two is provided with a plurality of limiting grooves two which are evenly distributed, and every two limiting block ones are slidably arranged in the limiting groove two.
[0012] As preferred, the bottom of the fixed plate one is provided with a limiting plate on both sides, the limiting plate is located at the right end edge of the limiting groove three, the right side of the lower part of the fixed plate one is provided with a damping rod at the position opposite to the hydraulic cylinder, and the left end of the damping rod is arranged at the right middle part of the connecting rod.
[0013] The utility model at least has the following beneficial effects:
[0014] 1, the hydraulic cylinder can push the one end of the connecting rod and two connecting plates to move, the other end of the two connecting plates can push the right side of the fixed plate two to rotate around the rotating shaft between the fixed plate two and the fixed plate one, so that the function of the welding angle adjustment of the locomotive chassis can be realized.
[0015] 2, the cooperation between the plurality of electric push rods can make the plurality of electric push rods push the plurality of clamps to move close to each other at the same time, and the plurality of clamps can clamp the locomotive chassis together, so that the clamping function of the locomotive chassis can be realized. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the whole structure schematic view of the utility model;
[0017] Figure 2 It is the limiting block two structure schematic view of the utility model;
[0018] Figure 3 It is the electric push rod structure schematic view of the utility model;
[0019] Figure 4 It is the clamp and push block structure schematic view of the utility model;
[0020] Figure 5 It is the structure schematic diagram of the utility model push block;
[0021] Figure 6 It is the structure schematic diagram of the utility model embodiment 2.
[0022] In the figure: 1, fixed plate one;2, fixed plate two;3, main unit;31, frame;32, electric hoist;33, steel cable;4, adjusting part;41, hydraulic cylinder;42, connecting rod;43, connecting plate;5, clamping part;51, electric push rod;52, push block;53, clamp;54, limit groove one;6, guide one;61, limit block one;62, limit groove two;7, guide two;71, limit block two;72, limit groove three;73, damping rod;74, limit plate. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0024] Embodiment 1: please refer to Figures 1-5 The utility model provides a kind of technical scheme: a hoisting device for locomotive underframe welding, including fixed plate one 1, the upper portion of fixed plate one 1 is provided with main unit 3, for lifting and lowering the height of fixed plate one 1, the right lower portion of fixed plate one 1 is rotatably connected with fixed plate two 2, the lower portion of fixed plate one 1 is provided with adjusting part 4, for changing the angle of fixed plate two 2, the lower edge of fixed plate two 2 is provided with multiple evenly distributed clamping parts 5, for clamping fixed locomotive underframe;
[0025] Fixed plate one 1 can fix the rotary fulcrum of one side of fixed plate two 2, the angle between fixed plate one 1 and fixed plate two 2 can be changed under the cooperation of adjusting part 4, main unit 3 can provide power to change the height of fixed plate one 1, fixed plate two 2 can cooperate with multiple clamping parts 5 to clamp locomotive underframe.
[0026] Further, adjusting part 4 includes hydraulic cylinder 41 arranged at the lower left side of fixed plate one 1, the right end of hydraulic cylinder 41 is provided with connecting rod 42, connecting rod 42 is rotatably connected with connecting plate 43 at both ends, the end of two connecting plates 43 away from connecting rod 42 is rotatably connected at the right upper edge of fixed plate two 2 respectively, the lower middle part of fixed plate one 1 is provided with guide two 7, for assisting the movement of connecting rod 42;
[0027] The hydraulic cylinder 41 provides power to push the connecting rod 42 to move, the connecting rod 42 is used to push the connecting plate 43 to move, the connecting plate 43 pushes the right end of the fixed plate two 2 to move downward.
[0028] Further, the guide piece two 7 includes two limiting blocks two 71, the lower front and back sides of the fixed plate one 1 are provided with limiting grooves three 72, and the two limiting blocks two 71 are respectively slid in the interiors of the two limiting grooves three 72.
[0029] The limiting blocks two 71 slide in the limiting grooves three 72, and the limiting blocks two 71 can bear the load of the equipment clamping the locomotive chassis.
[0030] Further, the main body unit 3 includes a frame 31 arranged above the fixed plate one 1, the lower part of the frame 31 is provided with an electric hoist 32, the upper edge of the fixed plate one 1 is provided with a steel cable 33, and the lower end of the electric hoist 32 is hooked in the ring on the upper part of the steel cable 33.
[0031] The frame 31 provides the basic height of the equipment operation, and the electric hoist 32 can cooperate with the steel cable 33 to make the height of the fixed plate one 1 rise and fall.
[0032] Further, the clamping piece 5 includes an electric push rod 51 arranged at the lower edge of the fixed plate two 2, one end of the electric push rod 51 is provided with a push block 52, the left and right ends of the push block 52 are respectively slidably connected with clamps 53, the side close to the push block 52 of the clamp 53 is provided with a limiting groove one 54, and the left and right ends of the push block 52 are respectively slid in the interiors of one limiting groove one 54, and the lower part of the fixed plate two 2 is provided with a guide piece one 6 for assisting the movement of the clamp 53.
[0033] Starting the electric push rod 51 can push the push block 52 to move, and the push block 52 moves to push the two clamps 53 to approach and move away from each other, and the cooperation between the plurality of clamps 53 can realize clamping the locomotive chassis.
[0034] Further, the guide piece one 6 includes limiting blocks one 61, one limiting block one 61 is arranged at the upper part of one clamp 53, and the lower edge of the fixed plate two 2 is provided with a plurality of limiting grooves two 62 which are uniformly distributed, and every two limiting blocks one 61 are slid in the interior of one limiting groove two 62.
[0035] The limiting blocks one 61 can cooperate with the limiting grooves two 62 to guide the sliding of the clamps 53, and the limiting blocks one 61 can bear the load of the equipment clamping the locomotive chassis.
[0036] The starting electric hoist 32 releases the steel cable 33 and the fixed plate one 1 downward at the same time, places the locomotive chassis between the plurality of clamps 53, and simultaneously starts the plurality of electric push rods 51 to move the plurality of clamps 53 to close to each other, the plurality of clamps 53 clamps the locomotive chassis, the electric push rod 51 is closed and the electric hoist 32 is started, the electric hoist 32 pulls the fixed plate one 1, the fixed plate two 2 and the locomotive chassis at the same time through the steel cable 33, the height of the locomotive chassis is raised to the appropriate position, the electric hoist 32 is closed to fix the height of the equipment, the hydraulic cylinder 41 is started when the angle of the locomotive chassis needs to be changed, the hydraulic cylinder 41 pushes the connecting rod 42 and one end of the two connecting plates 43 to move, the other end of the two connecting plates 43 pushes the right side of the fixed plate two 2 and rotates with the pivot of the fixed plate two 2 and the fixed plate one 1, so that the welding angle of the locomotive chassis can be changed.
[0037] Embodiment 2: please refer to Figure 6 On the basis of embodiment 1, another technical scheme is provided: the two sides of the bottom of the fixed plate one 1 are provided with limiting plates 74, the limiting plates 74 are located at the right end edge of the limiting groove three 72, the right side of the lower part of the fixed plate one 1 is provided with a damping rod 73 opposite to the hydraulic cylinder 41, and the left end of the damping rod 73 is arranged at the right side of the middle part of the connecting rod 42.
[0038] When the connecting rod 42 starts to slide from left to right, the initial impact force is large, in order to reduce the damage of the impact force to the connecting rod 42, the damping rod 73 can buffer the impact force caused by the movement of the connecting rod 42, and the two limiting plates 74 limit the sliding distance of the limiting block two 71 and the rotating angle of the two connecting plates 43, so that the rotating angle of the fixed plate two 2 can be prevented from being too large, and the collision between the locomotive chassis and the equipment can be prevented.
[0039] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0040] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application.
Claims
1. A hoisting device for welding locomotive underframes, comprising a fixing plate (1), characterized in that: The upper part of the fixing plate 1 (1) is provided with a main body unit (3) for raising and lowering the height of the fixing plate 1 (1). The lower right side of the fixing plate 1 (1) is rotatably connected to the fixing plate 2 (2). The lower part of the fixing plate 1 (1) is provided with an adjusting member (4) for changing the angle of the fixing plate 2 (2). The lower edge of the fixing plate 2 (2) is provided with multiple evenly distributed clamping members (5) for clamping and fixing the locomotive underframe.
2. The hoisting device for welding locomotive underframes according to claim 1, characterized in that: The adjusting component (4) includes a hydraulic cylinder (41) disposed on the lower left side of the fixed plate (1). A connecting rod (42) is disposed on the right end of the hydraulic cylinder (41). Both ends of the connecting rod (42) are rotatably connected to connecting plates (43). The ends of the two connecting plates (43) away from the connecting rod (42) are respectively rotatably connected to the upper right edge of the fixed plate (2). A guide component (7) is disposed in the lower middle part of the fixed plate (1) to assist the movement of the connecting rod (42).
3. The hoisting device for welding locomotive underframes according to claim 2, characterized in that: The guide component 2 (7) includes two limiting blocks 2 (71). The lower front and rear sides of the fixing plate 1 (1) are provided with limiting grooves 3 (72). The two limiting blocks 2 (71) slide inside the two limiting grooves 3 (72) respectively.
4. The hoisting device for welding locomotive underframes according to claim 1, characterized in that: The main unit (3) includes a frame (31) disposed above the fixed plate (1), an electric hoist (32) is disposed at the lower part of the frame (31), a steel cable (33) is disposed at the upper edge of the fixed plate (1), and the lower end of the electric hoist (32) is hooked inside the loop at the upper part of the steel cable (33).
5. The hoisting device for welding locomotive underframes according to claim 2, characterized in that: The clamping member (5) includes an electric push rod (51) disposed at the lower edge of the fixed plate (2). One end of the electric push rod (51) is provided with a push block (52). The left and right ends of the push block (52) are respectively slidably connected to clamps (53). The clamps (53) have a limiting groove (54) on the side near the push block (52). The left and right ends of the push block (52) are respectively slid inside the limiting groove (54). The lower part of the fixed plate (2) is provided with a guide member (6) to assist the movement of the clamps (53).
6. The hoisting device for welding locomotive underframes according to claim 5, characterized in that: The guide component (6) includes a limiting block (61), one of the limiting blocks (61) is disposed on the upper part of the clamp (53), and a plurality of evenly distributed limiting grooves (62) are provided at the lower edge of the fixing plate (2), and every two limiting blocks (61) slide inside one limiting groove (62).
7. The hoisting device for welding locomotive underframes according to claim 3, characterized in that: Limiting plates (74) are provided on both the front and rear sides of the bottom of the fixing plate (1). The limiting plates (74) are located at the right edge of the limiting groove (72). A damping rod (73) is provided on the lower right side of the fixing plate (1) opposite to the hydraulic cylinder (41). The left end of the damping rod (73) is located in the middle of the right side of the connecting rod (42).