Multifunctional catenary integrated operation vehicle for subway

Abstract

The utility model belongs to the technical field of subway contact network operation maintenance equipment, disclose subway multifunctional contact network comprehensive operation vehicle, including operation vehicle main part, operation vehicle main part is equipped with fixed operation platform, cab and lift bin, fixed operation platform is installed with fixed guardrail, the inner wall connection of lift bin has the lifting platform, the lifting platform is connected with the lifting plate, and the lifting plate is connected with the flap mechanism, the flap mechanism includes the flap, and the flap is rotatably connected with the lifting plate, and the lifting plate is connected with second hinged seat, and the flap rotatably connected has the folding guardrail, the folding guardrail includes second storage groove, and the side wall rotatable connection of second storage groove has a plurality of second uprights, and a plurality of second uprights rotatably connected have the handrail, and the handrail is connected with fixed structure, the fixed structure includes spring, and the second upright is connected with fixed block, and the fixed block is provided with second jack, and the handrail is connected with spring, and the spring is connected with the bolt.

Description

Technical Field

[0001] This utility model relates to the technical field of subway catenary operation and maintenance equipment, and in particular to a multi-functional subway catenary integrated operation vehicle. Background Technology

[0002] The multi-functional overhead contact line maintenance vehicle is a special rail vehicle designed for the inspection, repair, and tunnel maintenance of subway overhead contact lines. It aims to solve the maintenance challenges caused by limited space and complex overhead contact lines in subway tunnels.

[0003] A search revealed that CN217996731U discloses a comprehensive subway overhead contact line operation platform with an audible and visual alarm device. The platform includes: a track flatcar, a fixed operation platform, a flip-up mechanism, an alarm device, a PLC control device, and a lifting platform. The track flatcar has a driver's cab at one end and a fixed operation platform at the other. Each fixed operation platform has an upward-opening receiving pool, inside which the lifting platform is located. A flip-up mechanism for covering the receiving pool is located at its opening. The fixed operation platform also includes an alarm device and a PLC control device. This design, by integrating the flip-up mechanism and the fixed operation platform into a single platform, increases the working area and reduces the number of vehicle movements under the same maintenance mileage conditions, thus improving work efficiency. The audible and visual alarms provided during the lifting of the lifting platform and the opening and closing of the flip-up mechanism reduce safety hazards.

[0004] However, through exploration, the inventors have discovered that this technical solution still has at least the following defects:

[0005] In practice, when using a lifting platform to perform maintenance work on the tunnel roof, workers must first manually remove the detachable guardrails from the flaps. After the lifting platform reaches the designated height and completes the work, the guardrails must be reinstalled at height. This process is not only cumbersome and increases the complexity of the work process, but also poses a safety hazard due to workers operating without guardrail protection when removing and installing guardrails at height, thus failing to meet the safety requirements for high-altitude operations. Utility Model Content

[0006] The present invention aims to provide a multi-functional overhead contact line maintenance vehicle for subways to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] The subway multi-functional overhead contact line maintenance vehicle includes a main body, which is equipped with a fixed working platform, a driver's cab, and a lifting cabin. The fixed working platform is equipped with fixed guardrails, and the inner wall of the lifting cabin is connected to a lifting platform. The lifting platform is connected to a lifting plate, and the lifting plate is connected to a flipping mechanism.

[0009] The flip-plate mechanism includes a flip-plate, which is rotatably connected to a lifting plate. There are two flip-plates. The lifting plate is connected to a second hinge seat, and the flip-plate is connected to a first hinge seat. The second hinge seat and the first hinge seat are rotatably connected to a hydraulic rod. The flip-plate is rotatably connected to a folding guardrail.

[0010] The folding guardrail includes a second storage slot, and a plurality of second columns are rotatably connected to the side wall of the second storage slot. The plurality of second columns are rotatably connected to a handrail, and the handrail is connected to a fixed structure.

[0011] The fixing structure includes a spring, the second column is connected to a fixing block, the fixing block has a second insertion hole, the handrail is connected to the spring, the spring is connected to a pin, and the size of the pin matches the second insertion hole.

[0012] Preferably, the spring and the pin are connected together to the handle.

[0013] Preferably, the handrail is connected to a reinforcing block, the reinforcing block has a first insertion hole, and the pin is slidably connected to the inner wall of the first insertion hole.

[0014] Preferably, the flap is provided with a first storage slot, the side wall of the first storage slot is rotatably connected to a first column, and two second columns are connected together to a longitudinal protective cable, the longitudinal protective cable passing through the first column and slidably connected to the first column.

[0015] Preferably, the second column has a cable hole, and a transverse protective cable is slidably connected to the inner wall of the cable hole, with cable caps connected to both ends of the transverse protective cable.

[0016] Preferably, the fixed guardrail and the second post are rotatably connected to a telescopic rod.

[0017] The beneficial effects of this technical solution compared to existing technologies are as follows:

[0018] (1) By installing a rotatable folding guardrail on the flip-up mechanism, the operator can fold and store the guardrail before the lifting platform is raised, completing the lifting operation without removing the guardrail; after the platform is raised to the designated height, the guardrail is unfolded and fixed. This design avoids the cumbersome process of manually disassembling and assembling guardrails at high altitudes in existing technologies, significantly reducing the risk of high-altitude operations. The second column, handrail, and fixing structure of the folding guardrail form a linkage protection, providing reliable protection during operation, simplifying the operation steps, and improving the safety and efficiency of the operation.

[0019] (2) The design of the spring and the pin being connected by the handle allows the operator to easily control the insertion and removal of the pin through the handle, thereby achieving quick fixing and release of the folding guardrail. The handle design optimizes the operating feel, avoids the jamming or slippage problems that may occur when operating the pin by hand, further improves the convenience of the guardrail folding and unfolding process, shortens the operation preparation time, and ensures the reliability of the guardrail when it is fixed.

[0020] (3) The reinforcing block connecting the handrail has a first insertion hole, which slides with the pin to form a double fixing structure. This design allows the pin to be fixed by inserting it into the second insertion hole, while simultaneously limiting the pin through the first insertion hole to prevent it from loosening due to vibration or external force, thus enhancing the overall structural stability of the folding handrail. The reinforcing block also disperses the impact force on the handrail, preventing damage to the handrail connection due to long-term stress and extending the service life of the equipment.

[0021] (4) The first storage slot of the flap can rotate to store the first upright. The longitudinal protective cable passes through the first upright and connects to the second upright, forming a longitudinal protection system. When the flap is unfolded, the first upright rotates out of the storage slot, the longitudinal protective cable is tightened, and together with the folding guardrail, it forms a three-dimensional protective net, expanding the protection range of the work platform. This structure improves the protection strength without increasing the additional space occupation, and the sliding design of the longitudinal protective cable can adapt to the positional changes when the flap rotates, ensuring the continuity of protection.

[0022] (5) The cable holes of the second column are slidably connected to the transverse protective cable, and the cable caps at both ends prevent the cable from falling off, forming a transverse protective structure. The transverse protective cable works in conjunction with the longitudinal protective cable to form a grid-like protection at the edge of the work platform, effectively preventing personnel or tools from falling. The sliding design of the cable holes allows the tension of the transverse protective cable to be adjusted according to the work requirements, while the cable caps ensure the reliability of the cable connection. Compared with the detachable guardrails in the existing technology, this structure can achieve the protective function without disassembly, taking into account both safety and convenience.

[0023] (6) The fixed guardrail and the second post are rotatably connected by a telescopic rod. When the flap is unfolded or folded, the telescopic rod can automatically adjust its length according to the position of the second post, maintaining the connection stability between the fixed guardrail and the folding guardrail. The design of the telescopic rod ensures the integrity of the entire work platform protection system, avoids protection loopholes caused by flap operation, and the rotatable connection does not affect the normal opening and closing of the flap, realizing the compatibility between protection function and equipment operation, and further improving the safety factor of operation. Attached Figure Description

[0024] Figure 1 A three-dimensional structural diagram of the folding guardrail provided by this utility model;

[0025] Figure 2 The main view of the work vehicle provided by this utility model;

[0026] Figure 3 Top view of the main body of the work vehicle provided by this utility model;

[0027] Figure 4 Longitudinal sectional view of the flap mechanism provided by this utility model;

[0028] Figure 5 A three-dimensional structural diagram of the fixing structure provided by this utility model;

[0029] Reference numerals: 1. Main body of the work vehicle; 2. Flip-over plate; 3. Flip-over plate mechanism; 4. Fixed guardrail; 5. Folding guardrail; 6. Telescopic bar; 7. Lifting platform; 8. Longitudinal protective cable; 9. First column; 10. First storage slot; 11. Second column; 12. Handrail; 13. Cable hole; 14. Lateral protective cable; 15. Lifting plate; 16. Fixed structure; 17. Second storage slot; 18. Cable cap; 19. First hinge seat; 20. Hydraulic rod; 21. Second hinge seat; 22. Lifting chamber; 23. Spring; 24. Handle; 25. Pin; 26. Reinforcing block; 27. First insertion hole; 28. Fixing block; 29. ​​Second insertion hole; Detailed Implementation

[0030] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments:

[0031] like Figures 1 to 5 The subway multi-functional overhead contact line maintenance vehicle shown includes the main body 1 of the maintenance vehicle, such as... Figure 2 As shown, a fixed working platform is provided on the top of the main body 1 of the work vehicle, a driver's cab is located on the left side of the main body 1 of the work vehicle, and an elevator compartment 22 is located on the right side of the main body 1 of the work vehicle. Figure 2 and Figure 3 As shown, the fixed work platform is equipped with fixed guardrail 4. Figure 2As shown, the inner wall of the lifting chamber 22 is connected to a lifting platform 7, the top of the lifting platform 7 is connected to a lifting plate 15, and the lifting plate 15 is connected to a flipping mechanism 3.

[0032] The lifting platform 15 can move up and down within the lifting chamber 22 via hydraulic or mechanical drive, which in turn drives the tilting mechanism 3 to rise and fall synchronously to adapt to different work height requirements.

[0033] like Figure 4 As shown, the flip-up mechanism 3 includes a flip-up plate 2. The outer side of the flip-up plate 2 is movably connected to the lifting plate 15, and the inner side of the flip-up plate 2 is rotatably connected to the lifting plate 15. The lifting plate 15 is connected to a second hinge seat 21. The bottom of the flip-up plate 2 is connected to a first hinge seat 19. The second hinge seat 21 and the first hinge seat 19 are rotatably connected to a hydraulic rod 20. The top of the flip-up plate 2 is rotatably connected to a folding guardrail 5 on its outer side. When the hydraulic rod 20 extends or retracts, the flip-up plate 2 can be driven to open and close around the rotatable connection with the lifting plate 15 through the linkage of the first hinge seat 19 and the second hinge seat 21, thereby realizing the unfolding and retraction of the flip-up mechanism 3, which facilitates the lifting of the lifting platform 7 or the expansion of the working platform area.

[0034] like Figure 1 As shown, the folding guardrail 5 includes a second storage slot 17. Several second posts 11 are rotatably connected to the side wall of the second storage slot 17. A handrail 12 is rotatably connected to the top of the several second posts 11 on the same side. The handrail 12 is connected to a fixing structure 16. The fixing structure 16 includes a spring 23. A fixing block 28 is connected to the upper end of the second post 11. The fixing block 28 has a second insertion hole 29. The bottom of the handrail 12 is connected to the spring 23. The spring 23 is connected to a pin 25, the size of which matches the second insertion hole 29. During operation, the second posts 11 can be rotated out of the second storage slot 17. The handrail 12 drives the pin 25 to be inserted into the second insertion hole 29 of the fixing block 28. The spring force of the spring 23 fixes the pin 25, allowing the folding guardrail 5 to unfold and form a protective structure. When not in use, the pin 25 can be pulled out to fold the second posts 11 back into the second storage slot 17. The operation is convenient and safe.

[0035] like Figure 5 As shown, spring 23 and pin 25 are connected to handle 24, which allows for easier control of inserting and removing pin 25, improving operational convenience. Figure 5 As shown, the handrail 12 is connected to a reinforcing block 26. The reinforcing block 26 has a first insertion hole 27. The pin 25 is slidably connected to the inner wall of the first insertion hole 27. The setting of the reinforcing block 26 and the first insertion hole 27 can enhance the stability of the pin 25 when it is fixed and prevent it from loosening and falling off.

[0036] like Figure 1As shown, a first storage slot 10 is provided on the right side of the flip panel 2. A first column 9 is rotatably connected to the side wall of the first storage slot 10. The second columns 11 on both sides are connected to a longitudinal protective cable 8. The longitudinal protective cable 8 passes through the first column 9 and is slidably connected to the first column 9. When the flip panel 2 is unfolded and the folding guardrail 5 is erected, the first column 9 rotates out of the first storage slot 10, and the longitudinal protective cable 8 is tightened, forming a three-dimensional protection with the folding guardrail 5, thereby increasing the safety protection range of the work platform.

[0037] like Figure 1 As shown, the second column 11 has cable holes 13, and a transverse protective cable 14 is slidably connected to the inner wall of the cable hole 13. Cable caps 18 are connected to both ends of the transverse protective cable 14. The transverse protective cable 14 can be slidably adjusted between the second columns 11 through the cable holes 13. The cable caps 18 are used to fix the two ends of the transverse protective cable 14 to prevent it from falling off. The transverse protective cable 14 and the longitudinal protective cable 8 work together to form a grid-like protection, further enhancing the safety protection effect.

[0038] like Figure 2 As shown, the fixed guardrail 4 and the second post 11 are rotatably connected to the telescopic rod 6. When the flap 2 is unfolded or folded, the telescopic rod 6 can automatically adjust its length according to the position change of the second post 11, maintaining the connection stability between the fixed guardrail 4 and the folding guardrail 5, ensuring the integrity of the entire protection system, and avoiding any security loopholes.

[0039] The specific implementation process is as follows:

[0040] When maintenance personnel need to maintain the overhead contact line of the subway tunnel, they first drive the main body 1 of the work vehicle to the work area and bring it to a stop. Then, they extend the hydraulic rod 20 to push the two flaps 2 outward to expand the work area. Next, the maintenance personnel manually rotate the second post 11 of the folding guardrail 5 from the second storage slot 17 to a vertical position and flip the handrail 12 upward. By pulling the handle 24 outward to overcome the tension of the spring 23, they pull the pin 25 out of the first insertion hole 27 of the reinforcing block 26 and insert it into the second insertion hole 29 of the fixing block 28 on the second post 11. After releasing the handle 24, the spring 23 rebounds to lock the pin 25, thus quickly fixing the folding guardrail 5. At the same time, the first post 9 is rotated out of the first storage slot 10 on the flap 2, the longitudinal protective cable 8 passing through it is tightened, and the transverse protective cable 14 is pulled out from the cable hole 13 of the second post 11 to a tensioned state. The cable cap 18 is used to limit the tension, forming a complete protective grid. At this point, the telescopic pole 6 automatically adjusts its length to connect and fix the guardrail 4 and the folding guardrail 5. After confirming that the protection is in place, the maintenance personnel operate the lifting platform 7 to raise the lifting plate 15 and the unfolded flip-up mechanism 3 to the required height at the top of the tunnel. Maintenance work can then be carried out on the extended and fully protected safety platform with guardrails and safety cables. After the work is completed, the lifting platform 7 is lowered, and the folding guardrail 5 and safety cables are retracted in the reverse order (pull the handle 24 to pull out the pin 25, fold and store the guardrail and safety cables). Then, the hydraulic rod 20 is operated to retract and close the flip-up 2. Finally, the main body of the work vehicle 1 is driven away. The entire process does not require disassembling or installing any guardrail components at high altitude, which significantly improves efficiency and safety.

[0041] The above descriptions are merely embodiments of this utility model. Commonly known technical solutions and / or characteristics are not described in detail here. It should be noted that those skilled in the art can make various modifications and improvements without departing from the technical solution of this utility model. These modifications and improvements should also be considered within the scope of protection of this utility model, and will not affect the effectiveness of the implementation of this utility model or the practicality of the patent. The scope of protection claimed in this application should be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.

Claims

1. A metro multifunctional catenary integrated working vehicle, characterized in that: The vehicle includes a main body (1), which is equipped with a fixed working platform, a driver's cab and an elevator (22). The fixed working platform is equipped with a fixed guardrail (4). The inner wall of the elevator (22) is connected to a lifting platform (7). The lifting platform (7) is connected to a lifting plate (15). The lifting plate (15) is connected to a flipping mechanism (3). The flip-plate mechanism (3) includes a flip-plate (2), which is rotatably connected to a lifting plate (15). There are two flip-plates (2). The lifting plate (15) is connected to a second hinge seat (21). The flip-plate (2) is connected to a first hinge seat (19). The second hinge seat (21) and the first hinge seat (19) are rotatably connected to a hydraulic rod (20). The flip-plate (2) is rotatably connected to a folding guardrail (5). The folding guardrail (5) includes a second storage slot (17), and a number of second columns (11) are rotatably connected to the side wall of the second storage slot (17). The number of second columns (11) are rotatably connected to a handrail (12), and the handrail (12) is connected to a fixed structure (16). The fixing structure (16) includes a spring (23), the second column (11) is connected to a fixing block (28), the fixing block (28) has a second insertion hole (29), the handrail (12) is connected to the spring (23), the spring (23) is connected to a pin (25), and the size of the pin (25) matches the second insertion hole (29).

2. The metro multi-functional catenary integrated service vehicle according to claim 1, characterized in that: The spring (23) and the pin (25) are connected together to the handle (24).

3. The metro multi-functional catenary integrated service vehicle according to claim 1, characterized in that: The handrail (12) is connected to a reinforcing block (26), the reinforcing block (26) has a first insertion hole (27), and the pin (25) is slidably connected to the inner wall of the first insertion hole (27).

4. The metro multi-functional catenary integrated service vehicle of claim 1, wherein: The flip plate (2) is provided with a first storage groove (10), and a first column (9) is rotatably connected to the side wall of the first storage groove (10). Two second columns (11) are connected together with a longitudinal protective cable (8). The longitudinal protective cable (8) passes through the first column (9) and is slidably connected to the first column (9).

5. The metro multi-functional catenary integrated service vehicle of claim 1, wherein: The second column (11) has a cable hole (13), and a transverse protective cable (14) is slidably connected to the inner wall of the cable hole (13). Cable caps (18) are connected to both ends of the transverse protective cable (14).

6. The metro multi-functional catenary integrated service vehicle of claim 1, wherein: The fixed guardrail (4) and the second post (11) are rotatably connected to a telescopic rod (6).

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