RGV (Rail Guided Vehicle) crane trolley for assembling railway wagon body
The RGV crane's guidance technology and automated control system solves the problem of low production efficiency caused by manual operation in the assembly of railway freight car bodies, shortens assembly production time and optimizes resource allocation.
Patent Information
- Application Number
- CN202423161043.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-10-28
- Estimated Expiration
- 2034-12-20
AI Technical Summary
During the assembly of railway freight car bodies, manual operations lead to mismatched production cycle times, affecting production efficiency and wasting resources.
The RGV crane trolley is used, combined with guidance technology and automated control systems to achieve precise movement and storage of large assembly parts, and control operations are carried out through a combination of manual and wireless methods.
It improves production efficiency, reduces waste of human resources, shortens assembly production time and improves safety.
Smart Images

Figure CN223480637U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of railway freight car assembly and production, and specifically to an RGV crane car for assembling railway freight car bodies. Background Technology
[0002] As the core process in freight car body assembly, the production quality and efficiency of railway freight car assembly play a crucial role in the overall production of freight cars. Previously, the side wall hoisting process in freight car body assembly relied on existing production line layouts and processes, using overhead cranes for manual loading and transport. Adjusting the side wall installation direction was also done manually by swinging and rotating, resulting in long production times, mismatched production cycle times, reduced efficiency, and wasted resources.
[0003] Therefore, it is necessary to develop an RGV crane for assembling railway freight car bodies to solve the above problems. Utility Model Content
[0004] The purpose of this utility model is to provide an RGV crane for assembling railway freight car bodies, so as to reduce the intensity of manual labor, improve work efficiency, and improve safety during assembly work.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] An RGV crane for assembling railway freight car bodies includes a double-girder bridge trolley, an RGV crane, a hydraulic control system, an electrical guidance control cabinet, a tower-type multi-section telescopic lifting device, a rotating beam lifting assembly, a material storage rack on the side wall of the car body, and a material storage rack on the end wall of the car body.
[0007] The double-beam bridge trolley includes a main beam, side beams, rack and pinion rails, and a drive mechanism with an encoder;
[0008] The RGV lifting vehicle includes a wheel assembly, a vehicle body assembly, a speed encoder, a servo drive mechanism, and a guide wheel assembly;
[0009] The hydraulic control system includes a hydraulic station, hydraulic control valves, and hydraulic pipelines; the electrical guidance control cabinet includes a combination of guidance control units for various supporting equipment and a control cabinet.
[0010] The tower-type multi-section telescopic lifting device includes a hydraulic drive assembly, a fixed telescopic section, a first telescopic section, a second telescopic section, a third telescopic section, a fourth telescopic section, a servo driver, a slewing bearing, a rotary control encoder, a plate-type lifting chain, and a wire distance measuring encoder.
[0011] The rotating beam lifting device assembly includes a hook drive assembly, a rotating beam assembly, a slewing bearing connecting flange, a lifting device positioning and adjustment base plate, a hook assembly, and a position positioning sensor;
[0012] The storage rack on the side wall of the vehicle body includes a base, a vertical plate assembly, a lower guide plate assembly, and an upper guide plate assembly;
[0013] The storage rack on the end wall of the vehicle body includes a base, an upright plate assembly, and a guide plate assembly.
[0014] Specifically, the double-beam bridge trolley is installed inside the bridge structure production workshop, with the wheels of its two end side beams resting on the steel rails of the bridge support; the RGV crane is a transport device that moves laterally on the double-beam bridge trolley track, which is supplemented by rack and pinion tracks and driven by servo drive gears for positioning and operation.
[0015] Specifically, the hydraulic control system controls the hydraulic cylinders to drive the lifting and lowering of the tower-type multi-stage telescopic joint lifting device; the electrical guidance control cabinet is the integrated and protective device of the entire supporting equipment's electrical guidance control system; the tower-type multi-stage telescopic lifting device is fixedly connected to the lifting equipment under the RGV crane, and each telescopic joint connected by the plate lifting chain is driven by the hydraulic cylinder to perform reciprocating telescopic motion; the rotating beam lifting assembly is rotatably connected to the lifting equipment under the tower-type multi-stage telescopic lifting device, and when the lifting device catches the product and lifts it to a position where the crane can operate, the product can be rotated and adjusted to the orientation required for vehicle body assembly; the vehicle body side wall storage rack is an auxiliary device for positioning and storing the vehicle body side wall after it is off the production line, and is installed in the production workshop and in a location that is convenient for storage and transportation according to process requirements; the vehicle body end wall storage rack is an auxiliary device for positioning and storing the vehicle body end wall after it is off the production line, and is installed in the production workshop and in a location that is convenient for storage and transportation according to process requirements.
[0016] The beneficial effects of the present invention are:
[0017] This application utilizes an RGV crane, applies guidance technology to improve the control system, and optimizes process and program design to precisely complete the movement and storage of components at different locations. The operation combines manual and wireless methods, making control more convenient and flexible. By automating the hoisting of large assemblies, assembly time can be significantly shortened, human resources saved, and production efficiency effectively improved.
[0018] The above description is only an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings. Attached Figure Description
[0019] Figure 1This utility model embodiment shows a structural schematic diagram of an RGV crane car for assembling railway freight car bodies;
[0020] Figure 2 This utility model embodiment shows a structural schematic diagram of an RGV crane car for assembling railway freight car bodies;
[0021] Figure 3 A schematic diagram of the structure of the double-beam bridge crane shown in this embodiment of the utility model;
[0022] Figure 4 A schematic diagram of the RGV hoisting vehicle shown in this embodiment of the present invention;
[0023] Figure 5 A schematic diagram of the structure of the tower-type multi-section telescopic lifting device shown in this embodiment of the utility model;
[0024] Figure 6 A cross-sectional view of the tower-type multi-section telescopic lifting device shown in this embodiment of the utility model;
[0025] Figure 7 A schematic diagram of the rotating beam lifting device assembly shown in this embodiment of the utility model;
[0026] Figure 8 A schematic diagram of the material storage rack on the side wall of the vehicle body shown in this embodiment of the utility model;
[0027] Figure 9 The structural schematic diagram of the material storage rack on the end wall of the vehicle body shown in this embodiment of the utility model.
[0028] Explanation of reference numerals in the attached drawings: 1. Double-girder bridge crane; 101. Main beam; 102. Side beam; 103. Rack and pinion track; 104. Drive mechanism with encoder; 2. RGV crane; 201. Wheel assembly; 202. Car body assembly; 203. Speed encoder; 204. Servo drive mechanism; 205. Guide wheel assembly; 3. Hydraulic control system; 4. Electrical guidance control cabinet; 5. Tower-type multi-section telescopic lifting device; 501. Hydraulic drive assembly; 502. Fixed telescopic joint; 503. First telescopic joint; 504. Second telescopic joint; 505. Third telescopic joint; 506. Fourth telescopic joint; 507. Servo drive... 508. Slewing bearing; 509. Rotary control encoder; 510. Plate lifting chain; 511. Wire distance encoder; 6. Rotating beam lifting device assembly; 601. Hook drive assembly; 602. Rotating beam assembly; 603. Slewing bearing connecting flange; 604. Lifting device positioning and adjustment seat plate; 605. Hook assembly; 606. Positioning sensor; 7. Car body side wall storage rack; 701. Base; 702. Vertical plate assembly; 703. Lower guide plate assembly; 704. Upper guide plate assembly; 8. Car body end wall storage rack; 801. Base; 802. Vertical plate assembly; 803. Guide plate assembly. Detailed Implementation
[0029] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0030] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0031] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; 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; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0032] Furthermore, the technical features involved in the different embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.
[0033] Please see Figure 1 and Figure 2 This utility model provides an RGV crane trolley for assembling railway freight car bodies. The RGV crane trolley includes a double-girder bridge trolley 1, an RGV crane 2, a hydraulic control system 3, an electrical guidance control cabinet 4, a tower-type multi-section telescopic lifting device 5, a rotating crossbeam lifting assembly 6, a material storage rack on the side wall of the car body 7, and a material storage rack on the end wall of the car body 8.
[0034] Please see Figure 3 The double-girder bridge trolley 1 includes a main beam 101, a side beam 102, a rack and pinion track 103, and a drive mechanism 104 with an encoder.
[0035] Please see Figure 4 The RGV crane includes a wheel assembly 201, a body assembly 202, a speed encoder 203, a servo drive mechanism 204, and a guide wheel assembly 205.
[0036] Specifically, the hydraulic control system 3 includes a hydraulic station, hydraulic control valves, and hydraulic pipelines; the electrical guidance control cabinet 4 includes a combination of guidance control units for various supporting equipment and a control cabinet, and the guidance control includes manual control and wireless remote control.
[0037] Please see Figure 5 and Figure 6 The tower-type multi-section telescopic lifting device 5 includes a hydraulic drive assembly 501, a fixed telescopic section 502, a first telescopic section 503, a second telescopic section 504, a third telescopic section 505, a fourth telescopic section 506, a servo driver 507, a slewing bearing 508, a rotary control encoder 509, a plate lifting chain 510, and a wire distance measuring encoder 511.
[0038] Please see Figure 7 The rotating beam lifting device assembly 6 includes a hook drive assembly 601, a rotating beam assembly 602, a slewing bearing connecting flange 603, a lifting device positioning and adjustment seat plate 604, a hook assembly 605, and a position positioning sensor 606.
[0039] Please see Figure 8 The side wall storage rack 7 of the vehicle body includes a base 701, a vertical plate assembly 702, a lower guide plate assembly 703, and an upper guide plate assembly 704.
[0040] Please see Figure 9 The storage rack 8 on the end wall of the vehicle body includes a base 801, an upright plate assembly 802, and a guide plate assembly 803.
[0041] Specifically, the double-girder bridge crane 1 is installed inside the bridge structure production plant and is a heavy-duty transport equipment for longitudinal movement of the workshop production line. The wheels of its two end side beams sit on the steel rails of the bridge support. The RGV crane 2 is a transport equipment that moves laterally on the track of the double-girder bridge crane 1. The track of the double-girder bridge crane 1 is assisted by a rack and pinion track 103, which is driven by the gear of the servo drive 204 for positioning and operation.
[0042] Specifically, the hydraulic control system 3 controls the hydraulic cylinders to drive the tower-type multi-stage telescopic lifting device 5 to lift and lower; the electrical guidance control cabinet 4 is the integrated and protective device of the entire supporting equipment's electrical control system; the tower-type multi-stage telescopic lifting device 5 is a lifting device connected to the lower part of the RGV crane 2, which is driven by hydraulic cylinders to make reciprocating telescopic movements of each telescopic joint connected by the plate lifting chain 510; the rotating beam lifting assembly 6 is a lifting device connected to the lower part of the tower-type multi-stage telescopic lifting device 5, which can rotate and adjust the product to the orientation required for vehicle assembly when the lifting device catches the product and lifts it to the position where the crane can run; the vehicle side wall storage rack 7 is an auxiliary device for positioning and storing the vehicle side wall after it is off the production line, and is installed in the production workshop and in a location that is convenient for storage and transportation according to process requirements; the vehicle end wall storage rack 8 is an auxiliary device for positioning and storing the vehicle end wall after it is off the production line, and is installed in the production workshop and in a location that is convenient for storage and transportation according to process requirements.
[0043] In summary, this application utilizes an RGV crane, applies guidance technology to improve the control system, and optimizes process and program design to precisely complete the movement and storage of components at different locations. The operation combines manual and wireless methods, making control more convenient and flexible. By automating the hoisting of large assemblies, assembly production time can be significantly shortened, human resources saved, and production efficiency effectively improved.
[0044] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0045] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.
Claims
1. An RGV crane for assembling railway freight car bodies, characterized in that, The RGV crane includes a double-girder bridge crane, an RGV crane, a hydraulic control system, an electrical guidance control cabinet, a tower-type multi-section telescopic lifting device, a rotating beam lifting assembly, a material storage rack on the side wall of the vehicle body, and a material storage rack on the end wall of the vehicle body. The double-beam bridge trolley includes a main beam, side beams, rack and pinion rails, and a drive mechanism with an encoder; The RGV lifting vehicle includes a wheel assembly, a vehicle body assembly, a speed encoder, a servo drive mechanism, and a guide wheel assembly; The hydraulic control system includes a hydraulic station, hydraulic control valves, and hydraulic pipelines; the electrical guidance control cabinet includes a combination of guidance control units for various supporting equipment and a control cabinet. The tower-type multi-section telescopic lifting device includes a hydraulic drive assembly, a fixed telescopic section, a first telescopic section, a second telescopic section, a third telescopic section, a fourth telescopic section, a servo driver, a slewing bearing, a rotary control encoder, a plate-type lifting chain, and a wire distance measuring encoder. The rotating beam lifting device assembly includes a hook drive assembly, a rotating beam assembly, a slewing bearing connecting flange, a lifting device positioning and adjustment base plate, a hook assembly, and a position positioning sensor; The storage rack on the side wall of the vehicle body includes a base, a vertical plate assembly, a lower guide plate assembly, and an upper guide plate assembly; The storage rack on the end wall of the vehicle body includes a base, an upright plate assembly, and a guide plate assembly.
2. The RGV crane for assembling railway freight cars as described in claim 1, characterized in that, The double-beam bridge trolley is installed inside the bridge structure production workshop, with the wheels of its two end side beams resting on the steel rails of the bridge support columns; the RGV crane is a transport device that moves laterally on the double-beam bridge trolley track, which is supplemented by rack and pinion tracks and driven by servo drive gears for positioning and operation.
3. The RGV crane for assembling railway freight car bodies as described in claim 1, characterized in that, The hydraulic control system controls the hydraulic cylinders to drive the lifting and lowering of the tower-type multi-stage telescopic joint lifting device; the electrical guidance control cabinet is the integrated and protective device of the entire supporting equipment's electrical control system; the tower-type multi-stage telescopic lifting device is fixedly connected to the lifting equipment under the RGV crane, and each telescopic joint connected by the plate lifting chain is driven by the hydraulic cylinder to perform reciprocating telescopic motion; the rotating beam lifting assembly is rotatably connected to the lifting equipment under the tower-type multi-stage telescopic lifting device, and when the lifting device catches the product and lifts it to a position where the crane can run, the product can be rotated and adjusted to the orientation required for vehicle assembly; the vehicle body side wall storage rack is an auxiliary device for positioning and storing the vehicle body side wall after it is off the production line, and is installed in the production workshop and in a location that is convenient for storage and transportation according to process requirements; the vehicle body end wall storage rack is an auxiliary device for positioning and storing the vehicle body end wall after it is off the production line, and is installed in the production workshop and in a location that is convenient for storage and transportation according to process requirements.