Rail vehicle assembly retractable mobile profiling work platform

Abstract

The utility model discloses a rail vehicle assembly telescopic movable profiling operation platform, including the support column of multiple vertical settings, is provided with the drive arrangement at the top of support column, is provided with transmission in the support column, transmission be connected with operation platform through the connecting frame, under the drive of drive arrangement and transmission, can realize the lift of operation platform, be provided with telescopic drive arrangement on the connecting frame, and telescopic drive arrangement drives operation platform relative connecting frame and carries out telescopic before and after, is provided with end movable platform at the both ends of operation platform, end movable platform can move along the length direction of operation platform, and end movable platform can fold relative operation platform.

Description

Technical Field

[0001] This utility model relates to the field of rail vehicle assembly, specifically to a retractable and mobile contour-following work platform for rail vehicle assembly. Background Technology

[0002] When assembling rail vehicles, existing electric lifting platforms can only move up and down on both sides of a fixed area for construction. This results in a significant gap between the lifting platform and the vehicle, causing inconvenience and a risk of personnel falling. Furthermore, construction is impossible in the end areas, requiring the use of other mobile equipment. Secondly, while electric lifting platforms are suitable for construction on both sides of high-speed trains, their applicability to urban rail vehicles is limited due to the narrower width and the large gap between the lifting platform and the car body, posing a risk of personnel falling.

[0003] The original design of the lifting platform could adopt an integral structure, requiring 2-3 people to push and walk to the rail vehicle construction work area for operation. The original platform structure was complex, required multiple steps of operation, and was difficult to maintain and repair later. The original platform was also single-purpose, only suitable for the arc structure of the head of a certain type of EMU, and could not meet the construction needs of head cars of different widths, which had significant drawbacks. Utility Model Content

[0004] In order to solve the technical problems existing in the prior art, this utility model discloses a retractable and mobile contour-following operation platform for assembling rail vehicles.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: This utility model discloses a telescopic and mobile contour-following work platform for assembling rail vehicles, comprising multiple vertically arranged support columns. A drive device is installed at the top of each support column, and a transmission device is installed inside the support column. The transmission device is connected to the work platform via a connecting frame. Driven by the drive device and the transmission device, the work platform can be raised and lowered. A telescopic drive device is installed on the connecting frame, which drives the work platform to extend and retract relative to the connecting frame. End movable platforms are installed at both ends of the work platform. The end movable platforms can move along the length of the work platform and can be folded relative to the work platform. As a further technical solution, a sliding rod is provided on the working platform, and two mounting seats are fitted on the sliding rod. One end of the end movable platform is connected to the mounting seat through a hinge, so that the end movable platform can be folded relative to the mounting seat; a safety guardrail is provided on the end movable platform.

[0006] As a further technical solution, the safety guardrail is hinged to the end movable platform, so that the guardrail itself can be laid down or erected. As a further technical solution, the installed guardrail itself is a nested railing, and the railing itself can be contracted and stretched in the height direction.

[0007] As a further technical solution, the end-moving platform is tilted down or erected by a cylinder and a gas spring, so that it can be tilted down or erected.

[0008] As a further technical solution, the sliding of the mounting base on the slide bar is driven manually or by an automatic drive device; wherein the automatic drive device includes a cylinder, a hydraulic cylinder, or a lead screw drive device.

[0009] As a further technical solution, the aforementioned operating platform includes multiple platforms, which are independently controlled.

[0010] As a further technical solution, the telescopic drive device includes a speed reducer, and the speed reducer drives a lead screw drive device through a transmission belt, which in turn drives the working platform.

[0011] As a further technical solution, baffles are also provided at the front and rear ends of the telescopic drive device.

[0012] The beneficial effects of this utility model are as follows: This utility model makes full use of existing electric lifting frames. On the basis of the electric lifting frame platform that moves up and down, a telescopic drive device is added. The telescopic drive device enables the lifting frame platform to move within a distance of 1250~1700mm from the center line of the railway track. The lifting frame platform can move flexibly between itself and the train body. Each lifting platform is controlled by an individual telescopic drive device, which solves the problem of excessive gaps between the lifting frame and the train bodies of different models, making it convenient for construction personnel to carry out construction.

[0013] A movable variable working platform is installed at the end of the electric lifting frame (different shapes of platforms can be used for the head and end of different train models). The variable working platform moves back and forth via a sliding rod to meet the end construction needs of different train models (each model has different dimensions). This solves the problems of construction difficulties caused by a certain distance between the fixed electric lifting frame and the train, and the inability to carry out end construction, which greatly improves construction efficiency and reduces safety risks. Attached Figure Description

[0014] Figure 1 A schematic diagram of the overall structure of this utility model; Figure 2 A schematic diagram of the overall structure of this utility model; Figure 3 A schematic diagram of the overall structure of this utility model; Figure 4 A schematic diagram of the overall structure of this utility model; Figure 5 A schematic diagram of the end-mounted mobile platform of this utility model; Figure 6 Schematic diagram of the telescopic drive device of this utility model Figure 1 ; Figure 7 Schematic diagram of the telescopic drive device of this utility model Figure 2 ; Figure 8 Schematic diagram of the telescopic drive device of this utility model Figure 3 ; Figure 9 Schematic diagram of the telescopic drive device of this utility model Figure 4 ; In the diagram: 1. Drive motor; 2. Support column; 3. End movable platform; 4. Control device; 5. Telescopic drive device; 6. Safety railing; 7. Working platform; 8. Safety railing. 3-1. Slide bar; 3-2. Mounting base; 3-3. Safety railing; 3-4. Cylinder; 5-1. Welded pipe for housing; 5-2. First sleeve; 5-3. Second sleeve; 5-4. Lead screw; 5-5. Lead nut; 5-6. Front baffle; 5-7. Support plate; 5-8. Rear baffle; 5-9. Bearing; 5-10. Bearing retaining ring; 5-11. Synchronous pulley; 5-12. Pressure cap; 5-15. Reducer; 5-16. Synchronous pulley; 5-17. Synchronous belt; Detailed Implementation It should be noted that the following detailed description is illustrative and intended to provide further explanation of the present invention. Unless otherwise specified, all technical and scientific terms used in this invention have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains.

[0015] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to the present invention. As used herein, unless otherwise expressly indicated by the present invention, the singular form is also intended to include the plural form. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof. For ease of description, the words "up," "down," "left," and "right" appearing in this utility model only indicate that they are consistent with the up, down, left, and right directions of the accompanying drawings. They do not limit the structure and are merely for the purpose of facilitating the description of this utility model and simplifying the description. They do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0016] Terminology Explanation: The terms "installation," "connection," "linking," and "fixing" in this utility model should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction relationship between two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0017] As described in the background section, there are shortcomings in the existing technology. In order to solve the above-mentioned technical problems, this utility model proposes a retractable and mobile contour-following operation platform for assembling rail vehicles.

[0018] In a typical embodiment of this utility model, such as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 As shown in the figure, this embodiment discloses a telescopic and mobile contour-following work platform for assembling rail vehicles, including multiple vertically arranged support columns 2. A drive device (corresponding to the drive motor 1 in the figure) is provided on the top of the support column 2, and a transmission device is provided inside the support column. The transmission device is connected to the work platform 7 through a connecting frame. Under the drive of the drive device and the transmission device, the work platform 7 can be raised and lowered. Safety railings 6 and 8 are provided on the work platform 7. A telescopic drive device 5 is provided on the connecting frame, which can drive the working platform 7 to extend and retract relative to the connecting frame; end movable platforms 3 are provided at both ends of the working platform 7; the end movable platforms 3 can move along the length direction (left and right direction) of the working platform 7; and the end movable platforms can be folded relative to the working platform. Furthermore, multiple work platforms 7 can be set in this embodiment, and multiple work platforms 7 can be set and controlled independently; in this embodiment, two work platforms are shown, which are set adjacent to each other. An end movable platform 3 is set on the left side of the first work platform and an end movable platform 3 is set on the right side of the second work platform. Both work platforms are driven by their respective drive motors 1 and telescopic drive devices 5.

[0019] Specifically, the connection and positional relationship between the end-mounted mobile platform and the work platform are as follows: Figure 5 As shown; a sliding rod 3-1 is provided on the working platform, and two mounting seats 3-2 are fitted on the sliding rod 3-1. One end of the end movable platform is connected to the mounting seat 3-2 by a hinge, so that the end movable platform can be folded relative to the mounting seat 3-2; a safety railing 3-3 is provided on the end movable platform, and the safety railing 3-3 is hinged to the end movable platform, so that the railing itself can be laid down or erected; at the same time, the installation railing itself is a nested railing, and the railing itself can be retracted and stretched in the height direction. Furthermore, the sliding drive of the end-moving platform can be a hydraulic cylinder drive, a pneumatic cylinder drive, a lead screw drive, or a manual drive. The hydraulic cylinder drives the mounting base to slide along the slide rod, thereby realizing the adjustment of the position of the end-moving platform.

[0020] Furthermore, the end-moving platform can be lowered or erected by cylinders 3-4 and gas springs.

[0021] Furthermore, the electric telescopic drive device includes a reducer, which is mounted on a connecting frame. The reducer drives the lead screw to rotate via a belt transmission device. The lead screw and lead screw nut cooperate, and the lead screw nut drives the work platform to move. A work platform can be equipped with multiple electric telescopic drive devices, and the multiple electric telescopic drive devices together drive the work platform to extend and retract.

[0022] Furthermore, in this embodiment, a movable platform is added to the end of the electric lifting frame, and the platform can be deformed (straight or curved) depending on the different structural components. Furthermore, the end movable platform 3 can be moved back and forth via a sliding rod, facilitating the movement of different vehicle types and rail vehicles of varying lengths; Furthermore, the end movable platform 3 can be folded relative to the working platform 7, and can be fixed to the end of the electric lifting platform when not in use, without affecting the use of the electric lifting frame; Furthermore, the end mobile platform 3 is equipped with a retractable safety railing that can be locked after being extended or retracted to ensure the safety of construction personnel. Furthermore, the end-mounted movable platform 3 uses gas spring technology to control the pedals, making it easy and convenient to use; Furthermore, the electric lifting platform can move up and down according to different vehicle models or components of varying heights; Furthermore, the electric lifting platform is equipped with an electric telescopic drive device, which can move the electric lifting platform forward or retract, adjust the distance with the rail vehicle, and is suitable for construction of rail vehicles (urban rail vehicles) of different widths; specifically, such as Figure 6 , Figure 7 , Figure 8 , Figure 9 As shown, the electric telescopic drive device 5 includes a housing welded pipe 5-1, a first sleeve 5-2, a second sleeve 5-3, a lead screw 5-4, a lead screw nut 5-5, a front baffle 5-6, a support plate 5-7, a rear baffle 5-8, a bearing 5-9, a bearing retaining ring 5-10, a synchronous pulley 5-11, a pressure cover 5-12, a reducer 5-15, a synchronous pulley 5-16, and a synchronous belt 5-17. The reducer 5-15 drives the lead screw 5-4 to rotate via the synchronous pulley 5-16, synchronous belt 5-17, and synchronous pulley 5-11. The lead screw 5-4 engages with the lead screw nut 5-5. The lead screw 5-4 is supported by the bearing 5-9. The rotational motion of the lead screw 5-4 is converted into the linear motion of the lead screw nut 5-5 through the helical engagement between the lead screw nut 5-5 and the lead screw 5-4. The lead screw nut 5-5 is fixed to the innermost end of the three-layer telescopic tube, driving the innermost telescopic tube to make linear displacement, thereby realizing the forward movement or retraction of the electric lifting platform.

[0023] Among them, the aforementioned synchronous belt 5-17 is located between the main synchronous pulley and the driven synchronous pulley, and is keyed to the output shaft of the reducer, receiving motor power and rotating; the synchronous pulley 5-16 is connected to the output shaft of the reducer, receiving motor power and rotating; the reducer 5-15: the reducer is located on one side of the telescopic device, mainly providing the original power as the power source of the entire system; the screw nut 5-5 is keyed to the output shaft of the motor, meshes with the screw, receives motor power and rotates; the screw 5-4 is a trapezoidal screw, located at the center of the telescopic device, and outputs rotational motion; the synchronous pulley 5-11 is connected to the input shaft at the end of the screw, and is connected to the synchronous pulley 5-16 through the synchronous belt 5-17, transmitting power to drive the screw 5-4 to move; Furthermore, the synchronous pulley cover 5-12 is located outside the synchronous belt, serving to protect the synchronous belt; the bearing retaining ring 5-10 is located between the reducer mounting plate and the deep groove ball bearing 5-9, protecting the deep groove ball bearing 5-9 and preventing it from falling off; the deep groove ball bearing 5-9 is located between the bearing retaining ring 5-10 and the screw nut 5-5, serving to protect the screw nut. The platform rear baffle 5-8 is located at the rear end of the telescopic device, and the platform front baffle 5-6 is located at the front end of the telescopic device, preventing collisions between the electric lifting frame and the rail vehicle. The platform support plate 5-7 is located at the bottom of the telescopic device, serving to support the telescopic device.

[0024] The first sleeve 5-2 is located outside the lead screw, and its top end is fixed together with the lead screw nut 5-5. The lead screw nut 5-5 moves linearly, causing the first sleeve 5-2 to move linearly. The second sleeve 5-3 is located outside the first sleeve 5-2 and serves to strengthen protection.

[0025] The welded pipe 5-1 of the box body connects the telescopic device and the electric lifting frame's up-and-down drive device, serving as a fixed connection.

[0026] Furthermore, the electric lifting frame is equipped with an electric telescopic drive device, and the end movable platform can be selected to use part of the platform for construction operations on rail vehicles according to different needs.

[0027] Furthermore, the telescopic mobile contouring work platform can move up and down, forward and backward, and left and right according to the different vehicle models and different parts of the construction work.

[0028] Furthermore, each lifting platform is controlled by an individual electric telescopic mechanism, and the electric lifting platform can be deformed for use depending on different vehicle models or components (e.g., one platform can extend while the other platform can retract during use).

[0029] Furthermore, the telescopic mobile contour-following work platform in this embodiment is designed with functions such as maximum lifting height, minimum limit, operation control, explosion-proof performance, warning lights, and alarm functions.

[0030] Furthermore, the telescopic mobile contouring work platform features an electric lifting frame and a telescopic drive device that move the platform left and right, as well as the end-mounted mobile platform that moves forward and backward. Each device has its own function and does not affect the others, and can be used individually or in combination.

[0031] Finally, it should be noted that relational terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations.

[0032] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A retractable and mobile contour-following work platform for assembling rail vehicles, characterized in that, The system includes multiple vertically arranged support columns, with a drive device at the top of each support column and a transmission device inside the support column. The transmission device is connected to a connecting frame, and a telescopic drive device is installed on the connecting frame. The telescopic drive device drives the work platform to extend and retract relative to the connecting frame. End-moving platforms are located at both ends of the work platform. These end-moving platforms can move along the length of the work platform and can be folded relative to the work platform.

2. The retractable mobile contour-following work platform for assembling rail vehicles as described in claim 1, characterized in that, A slide bar is provided on the working platform, and two sliding mounting seats are fitted on the slide bar. One end of the end movable platform is connected to the mounting seats through a hinge, so that the end movable platform can be folded relative to the mounting seats.

3. The retractable and mobile contour-following work platform for assembling rail vehicles as described in claim 2, characterized in that, Safety railings are provided on the aforementioned end-mobile platform.

4. The retractable mobile contour-following work platform for assembling rail vehicles as described in claim 3, characterized in that, The safety railing is hinged to the end movable platform.

5. The retractable mobile contour-following work platform for assembling rail vehicles as described in claim 3, characterized in that, The safety railing itself is a nested railing, and the railing itself can be extended or retracted in the height direction.

6. The retractable and mobile contour-following work platform for assembling rail vehicles as described in claim 2, characterized in that, The sliding of the mounting base on the slide bar is driven manually or by an automatic drive device.

7. The retractable and mobile contour-following work platform for assembling rail vehicles as described in claim 1, characterized in that, The lowering or erection of the end-moving platform is driven by a cylinder and a gas spring.

8. The retractable mobile contour-following work platform for assembling rail vehicles as described in claim 1, characterized in that, The aforementioned operating platform includes multiple platforms, each of which is independently controlled.

9. The retractable and mobile contour-following work platform for assembling rail vehicles as described in claim 1, characterized in that, The telescopic drive device includes a speed reducer, which drives a lead screw drive device via a transmission belt, and the lead screw drive device drives the working platform.

10. The retractable and mobile contour-following work platform for assembling rail vehicles as described in claim 9, characterized in that, The telescopic drive device is also equipped with baffles at its front and rear ends.

Images