Suspended monorail train opening and closing maintenance platform

Abstract

The present invention belongs to the technical field of train maintenance, and discloses a suspended monorail train opening and closing maintenance platform, which includes at least one maintenance track. The maintenance track includes a plurality of support beam frames, a second-layer operation platform and a third-layer operation platform which are arranged on the plurality of support beam frames and have different installation heights. The plurality of support beam frames are spaced apart along the running direction of the train. Both the second-layer operation platform and the third-layer operation platform extend horizontally along the running direction of the train. The train to be maintained drives into the maintenance track along the running track beam, and the running wheels of its bogie roll and run along the third-layer operation platform and stop after reaching the designated maintenance position. The operators can maintain the running wheels and related parts on the third-layer operation platform, and maintain the connection position between the bogie and the roof and the roof equipment on the second-layer operation platform. By setting the second-layer operation platform and the third-layer operation platform with different heights, the maintenance platform can comprehensively maintain the entire roof position of the train, improve the maintenance efficiency and have a high safety factor.

Description

Technical Field

[0001] The present invention relates to the technical field of train maintenance, and particularly to an opening and closing maintenance platform for a suspended monorail train. Background Art

[0002] The track of a suspended monorail train is above the train, and the train runs suspended on the track beam. The suspended monorail train develops upwards into the upper space, occupies a relatively small area, and can solve the problem of urban road congestion.

[0003] The bogies and important equipment of the suspended monorail train are arranged at the roof position. Daily maintenance and replacement of equipment such as bogies are all carried out at the roof position. In the prior art, the maintenance platforms of suspended monorail trains are all single-layer platforms, which are arranged beside the track beam of the suspended monorail train. Operators climb onto the maintenance platform to maintain the bogies and roof equipment at the roof position. However, the height from the roof to the uppermost end of the bogie is relatively large, and it is difficult for operators on the single-layer maintenance platform to comprehensively maintain the entire roof position, resulting in maintenance obstacles and low maintenance efficiency. Summary of the Invention

[0004] The purpose of the present invention is to provide an opening and closing maintenance platform for a suspended monorail train, through which the entire roof position of the train can be comprehensively maintained, and the maintenance efficiency can be improved.

[0005] To achieve this purpose, the present invention adopts the following technical solutions:

[0006] Provide an opening and closing maintenance platform for a suspended monorail train, including at least one maintenance track, and the maintenance track includes:

[0007] A plurality of support beam frames, the plurality of support beam frames are spaced apart along the traveling direction of the train to be maintained. The support beam frame includes a first installation beam at a first height and a second installation beam at a second height, and the first height is lower than the second height;

[0008] A second-layer operation platform, which is arranged above the foundation platform at intervals and extends horizontally along the traveling direction of the train to be maintained. The second-layer operation platform is fixedly installed on the first installation beam;

[0009] A third-layer operation platform, which extends horizontally along the traveling direction of the train to be maintained. The third-layer operation platform is installed on the second installation beam and is docked with the traveling track beam of the train to be maintained. The bogie of the train to be maintained passes through the third-layer operation platform and is provided with walking wheels, and the walking wheels can roll and walk on the platform surface of the third-layer operation platform.

[0010] As a preferred embodiment of the opening and closing maintenance platform for the suspended monorail train provided by the present invention, the second-layer operation platforms are arranged on both opposite sides of the three-layer operation platform in the width direction;

[0011] A plurality of maintenance tracks are arranged side by side, and the second-layer operation platforms of two adjacent maintenance tracks are fixedly connected.

[0012] As a preferred embodiment of the opening and closing maintenance platform for the suspended monorail train provided by the present invention, the maintenance track further includes a transition track beam and a fixed beam frame. The transition track beam is arranged between the three-layer operation platform and the running track beam. One end of the transition track beam is connected to the support beam frame, and the other end is connected to the fixed beam frame and docked with the running track beam. The train to be maintained on the running track beam enters the three-layer operation platform through the transition track beam.

[0013] As a preferred embodiment of the opening and closing maintenance platform for the suspended monorail train provided by the present invention, the three-layer operation platform includes a plurality of track beam segments arranged along the running direction of the train to be maintained. The track beam segments are arranged between two adjacent support beam frames. Each track beam segment includes a first track beam and a second track beam. The first track beam and the second track beam are both movably arranged on the second installation beam along their width directions, so that the first track beam and the second track beam can be switched between an open state and a closed state;

[0014] In the closed state, the running wheels of the bogie of the train to be maintained are suspended on the first track beam and the second track beam in a rollable manner;

[0015] In the open state, the bogie of the train to be maintained can be transported out through the gap between the first track beam and the second track beam under the drive of a lifting device.

[0016] As a preferred embodiment of the opening and closing maintenance platform for the suspended monorail train provided by the present invention, the maintenance track further includes a driving device for driving the first track beam and the second track beam to move relative to the second installation beam. The driving device includes:

[0017] A rotary driving member arranged on the support beam frame;

[0018] A synchronous belt mechanism, including a driving pulley, a driven pulley and a synchronous belt. The driving pulley is coaxially connected to the output end of the rotary driving member. The driven pulley is rotatably arranged on the support beam frame. The synchronous belt is sleeved on the driving pulley and the driven pulley and connected to the first track beam or the second track beam.

[0019] As a preferred solution of the opening and closing maintenance platform for the suspended monorail train provided by the present invention, the maintenance track further includes a locking unit. The first track beam and the second track beam are locked to the support beam frame through the locking unit in the closed state. The locking unit includes:

[0020] A linear driving member disposed on the support beam frame;

[0021] A plug pin disposed at the output end of the linear driving member;

[0022] A guide sleeve disposed on the support beam frame, and the plug pin is axially movably inserted into the guide sleeve;

[0023] A positioning sleeve. The positioning sleeve is provided on both the first track beam and the second track beam, and the positioning sleeve is disposed directly below the guide sleeve, and the plug pin is detachably inserted into the positioning sleeve.

[0024] As a preferred solution of the opening and closing maintenance platform for the suspended monorail train provided by the present invention, a first safety fence is provided on the outer side of the second-layer operation platform, and second safety fences are provided on the sides of the first track beam and the second track beam facing away from each other.

[0025] As a preferred solution of the opening and closing maintenance platform for the suspended monorail train provided by the present invention, a plurality of bogie accommodating areas are arranged at intervals along the length direction on the third-layer operation platform. The plurality of bogie accommodating areas correspond one-to-one to the plurality of bogies on the train to be maintained. Each bogie accommodating area is located in the area between two adjacent support beam frames. When the plurality of bogies on the train to be maintained are correspondingly located in the plurality of bogie accommodating areas one-to-one, the train to be maintained travels to the designated maintenance position.

[0026] As a preferred solution of the opening and closing maintenance platform for the suspended monorail train provided by the present invention, the support beam frame further includes a gantry frame, and the gantry frame is located above the third-layer operation platform to avoid the bogies of the train to be maintained.

[0027] As a preferred solution of the opening and closing maintenance platform for the suspended monorail train provided by the present invention, the maintenance track further includes a first ladder and a second ladder. The first ladder extends from the foundation platform to the second-layer operation platform, and the second ladder extends from the second-layer operation platform to the third-layer operation platform.

[0028] Advantages of the present invention:

[0029] The present invention provides a suspended monorail train opening and closing maintenance platform for major maintenance operations of suspended monorail trains. The train to be maintained enters the maintenance track in the maintenance platform along the running track beam. Specifically, the running wheels of the bogie of the train to be maintained roll and move along the three-layer operation platform and stop after reaching the designated maintenance position, that is, the train to be maintained is movably suspended on the three-layer operation platform. The running wheels of the bogie and the associated parts are located above the three-layer operation platform, and the operators can climb onto the three-layer operation platform for maintenance. The train to be maintained is located below the three-layer operation platform, and the height of the connection position between the bogie and the train roof is between the second-layer operation platform and the three-layer operation platform. Therefore, the operators can climb onto the second-layer operation platform to maintain the connection position between the bogie and the roof and the roof equipment. The maintenance platform provided by the present invention can comprehensively maintain the entire roof position of the train by setting the second-layer operation platform and the three-layer operation platform with different heights, improving the maintenance efficiency and having a high safety factor. Description of the Drawings

[0030] Figure 1 is a top view of the suspended monorail train opening and closing maintenance platform provided by the specific embodiment of the present invention;

[0031] Figure 2 is an axonometric view of the suspended monorail train opening and closing maintenance platform provided by the specific embodiment of the present invention;

[0032] Figure 3 is a side view of the suspended monorail train opening and closing maintenance platform provided by the specific embodiment of the present invention;

[0033] Figure 4 is Figure 3 the sectional view in the A-A direction in

[0034] Figure 5 is Figure 4 the partial enlarged view at B in

[0035] Figure 6 is a partial view of the suspended monorail train opening and closing maintenance platform provided by the specific embodiment of the present invention;

[0036] Figure 7 is Figure 6 the partial enlarged view at C in

[0037] Figure 8 is Figure 6 the partial enlarged view at D in

[0038] Figure 9 is a schematic diagram when the suspended monorail train is parked at the maintenance platform.

[0039] In the figure:

[0040] 1. Support beam frame; 2. Second - floor operation platform; 3. Third - floor operation platform; 4. Transition track beam; 5. Fixed beam frame; 6. Driving device; 7. Locking unit; 8. First ladder; 9. Second ladder;

[0041] 11. First installation beam; 12. Second installation beam; 13. Gantry frame;

[0042] 21. First safety fence;

[0043] 31. Track beam section; 32. Second safety fence;

[0044] 311. First track beam; 312. Second track beam; 313. Bogie accommodation area;

[0045] 61. Rotary drive member; 62. Synchronous belt mechanism; 621. Driving pulley; 622. Synchronous conveyor belt;

[0046] 71. Linear drive member; 72. Bolt; 73. Guide sleeve; 74. Positioning sleeve;

[0047] 100. Traveling track beam; 200. Train to be overhauled; 201. Bogie; 2011. Running wheel. Detailed implementation manners

[0048] The present invention will be further described in detail below with reference to the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present invention, rather than limiting the present invention. Additionally, it should be noted that for the convenience of description, only parts related to the present invention rather than all structures are shown in the drawings.

[0049] In the description of the present invention, unless otherwise clearly defined and limited, the terms "connected", "connected to", and "fixed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal connection of two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0050] In the present invention, unless otherwise clearly specified and defined, the first feature being "on" or "under" the second feature may include direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through additional features therebetween. Moreover, the first feature being "above", "over" and "on top of" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely means that the horizontal height of the first feature is higher than that of the second feature. The first feature being "under", "beneath" and "underneath" the second feature includes that the first feature is directly below and obliquely below the second feature, or merely means that the horizontal height of the first feature is lower than that of the second feature.

[0051] In the description of this embodiment, the orientation or positional relationships such as "upper", "lower", "left" and "right" are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of description and simplifying the operation, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as a limitation to the present invention. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0052] As Figure 1 、 Figure 2 and Figure 3 shown, this embodiment provides an opening and closing maintenance platform for a suspended monorail train, which is used for the major overhaul operation of the suspended monorail train. The opening and closing maintenance platform for the suspended monorail train includes at least one maintenance track, and the maintenance track includes a support beam frame 1, a second-layer operation platform 2 and a third-layer operation platform 3.

[0053] Refer to Figure 1 、 Figure 2 and Figure 3 , a plurality of support beam frames 1 are provided, and the plurality of support beam frames 1 are spaced apart along the traveling direction of the train 200 to be maintained. Refer to Figure 4 , the support beam frame 1 includes a first installation beam 11 at a first height and a second installation beam 12 at a second height, and the first height is lower than the second height. The second-layer operation platform 2 is spaced above the foundation platform and horizontally extends along the traveling direction of the train 200 to be maintained, and the second-layer operation platform 2 is fixedly installed on the first installation beam 11. The third-layer operation platform 3 horizontally extends along the traveling direction of the train 200 to be maintained, the third-layer operation platform 3 is installed on the second installation beam 12 and is docked with the traveling track beam 100 of the train 200 to be maintained, the bogie 201 of the train 200 to be maintained passes through the third-layer operation platform 3, and is provided with traveling wheels 2011, and the traveling wheels 2011 can roll and travel on the tabletop of the third-layer operation platform 3.

[0054] Refer to Figure 4 and Figure 5, the lower part of the bogie 201 is a relatively wide installation part, which is connected to the roof of the train 200 to be overhauled. The middle part of the bogie 201 is a relatively narrow part. There is a suspension gap along the traveling direction of the train 200 to be overhauled on the upper edge of the three-layer operation platform 3. The relatively narrow part in the middle of the bogie 201 passes through this suspension gap (this gap cannot allow the relatively wide installation part to pass through), and is connected to the upper traveling wheels 2011. When the traveling wheels 2011 roll on the tabletop of the three-layer operation platform 3, the entire train 200 to be overhauled is driven forward.

[0055] When the suspended monorail train undergoes major overhaul, the train 200 to be overhauled drives into the overhaul track in this overhaul platform along the driving track beam 100. Specifically, the traveling wheels 2011 of the bogie 201 of the train 200 to be overhauled roll on the three-layer operation platform 3 and stop after reaching the designated overhaul position. That is, the train 200 to be overhauled is movably suspended on the three-layer operation platform 3. The traveling wheels 2011 of the bogie 201 and the associated parts are located above the three-layer operation platform 3, and the operators can climb onto the three-layer operation platform 3 for overhaul and maintenance. The train 200 to be overhauled is located below the three-layer operation platform 3, and the height of the connection position between the bogie 201 and the roof of the train 200 to be overhauled is between the second-layer operation platform 2 and the three-layer operation platform 3. Therefore, the operators can climb onto the second-layer operation platform 2 to overhaul and maintain the connection position between the bogie 201 and the roof, as well as the roof equipment.

[0056] The overhaul platform provided in this embodiment can comprehensively overhaul the entire roof position of the train 200 to be overhauled by setting the second-layer operation platform 2 and the three-layer operation platform 3 with different heights, improving the overhaul efficiency and having a high safety factor.

[0057] In this embodiment, refer to Figure 4 , both the first installation beam 11 and the second installation beam 12 are horizontally arranged to ensure the horizontal extension of the second-layer operation platform 2 and the three-layer operation platform 3. The second-layer operation platform 2 is arranged on both opposite sides of the three-layer operation platform 3 in the width direction, so that multiple operators can simultaneously overhaul and maintain the roof position of the train 200 to be overhauled on the left and right sides of the train 200 to be overhauled, effectively improving the overhaul efficiency.

[0058] Furthermore, refer to Figure 1 and Figure 2 , in this embodiment, there are two overhaul tracks arranged side by side. Each overhaul track includes two operation platforms on the left and right sides, and the second-layer operation platforms 2 close to each other in the two overhaul tracks are fixedly connected to improve the stability of the entire overhaul platform. Both of the two overhaul tracks are used for the overhaul operation of the suspended monorail train, and the two overhaul tracks do not affect each other.

[0059] In other embodiments, the specific number of maintenance tracks can be set according to requirements. The adjacent second - layer working platforms 2 in two adjacent maintenance tracks are fixedly connected to ensure the stability of the entire maintenance platform.

[0060] In this embodiment, as Figure 1 , Figure 2 and Figure 3 shown, the maintenance track further includes a first ladder 8 and a second ladder 9. The first ladder 8 extends from the foundation platform to the second - layer working platform 2, and the second ladder 9 extends from the second - layer working platform 2 to the third - layer working platform 3, facilitating the operators to climb from the foundation platform to the second - layer working platform 2 and from the second - layer working platform 2 to the third - layer working platform 3. Further, second ladders 9 are arranged on both the left and right sides of the third - layer working platform 3, extending to the two second - layer working platforms 2 on the left and right sides respectively, facilitating the operators to shuttle. At the position of the second - layer working platform 2 where two maintenance tracks are connected, there is one first ladder 8, and at the positions of the unconnected second - layer working platforms 2, there is one first ladder 8 extending to the foundation platform respectively, so that the operators can climb to any second - layer working platform 2 through the corresponding first ladder 8.

[0061] Refer to Figure 1 , Figure 2 and Figure 3 , the maintenance track further includes a transition track beam 4 and a fixed beam frame 5. The transition track beam 4 is arranged between the third - layer working platform 3 and the running track beam 100. One end of the transition track beam 4 is connected to the support beam frame 1, and the other end is connected to the fixed beam frame 5 and is docked with the running track beam 100. The train 200 to be maintained on the running track beam 100 enters the third - layer working platform 3 through the transition track beam 4. The setting of the transition track beam 4 realizes the docking between the third - layer working platform 3 and the running track beam 100, enabling the train 200 to be maintained to smoothly enter the maintenance track. The setting of the fixed beam frame 5 provides an installation foundation for the transition track beam 4, ensuring that the transition track beam 4 can extend horizontally and is stable and reliable.

[0062] Refer to Figure 4 and Figure 6 , the support beam frame 1 further includes a gantry frame 13. The gantry frame 13 is located above the third - layer working platform 3 to avoid the bogie 201 of the train 200 to be maintained. The gantry frame 13 is connected above the second installation beam 12, and its internal space can allow the bogie 201 to pass through, enabling the train 200 to be maintained to smoothly travel to the designated maintenance position. In addition, the setting of the gantry frame 13 can improve the strength and load - bearing capacity of the entire support beam frame 1, avoiding the over - load deformation of the support beam frame 1.

[0063] Refer to Figure 2 and Figure 6, the three - layer operation platform 3 includes a plurality of track beam segments 31 arranged along the traveling direction of the train 200 to be overhauled. The track beam segments 31 are arranged between two adjacent support beam frames 1. Each track beam segment 31 includes a first track beam 311 and a second track beam 312. Both the first track beam 311 and the second track beam 312 are movably arranged on the second installation beam 12 along their width directions, so that the first track beam 311 and the second track beam 312 can be switched between an open state and a closed state. That is, the first track beam 311 and the second track beam 312 can approach and move away from each other along the width direction. In the closed state, the running wheels 2011 of the bogie 201 of the train 200 to be overhauled are suspended on the first track beam 311 and the second track beam 312 for rolling movement; in the open state, the bogie 201 of the train 200 to be overhauled can be transported out through the gap between the first track beam 311 and the second track beam 312 under the drive of the lifting equipment.

[0064] The first track beam 311 and the second track beam 312 are initially in the closed state. When the train 200 to be overhauled needs to perform major overhaul operations, it enters the inspection track along the running track beam 100. The bogie 201 of the train 200 to be overhauled is suspended on the first track beam 311 and the second track beam 312 in the closed state and travels along the first track beam 311 and the second track beam 312 to the designated inspection position and then stops. Specifically, see Figure 5 , the left running wheels 2011 and the right running wheels 2011 of the bogie 201 respectively roll on the first track beam 311 and the second track beam 312 until reaching the designated inspection position. After stopping, the AGV cart carries the vehicle body support frame tooling and moves along the designated direction, enters under the train 200 to be overhauled and adjusts its position and posture. After accurately aligning with the vehicle body lifting point of the train 200 to be overhauled, it lifts upward to slightly lift the whole vehicle. Subsequently, the operator disassembles the connection between the bogie 201 and the vehicle body on the second - layer operation platform 2, and the lifting equipment hoists the bogie 201 to release the load exerted by the bogie 201 on the first track beam 311 and the second track beam 312. Then, the first track beam 311 and the second track beam 312 move away from each other to switch to the open state. The lifting equipment lifts the bogie 201, moves it out of the inspection platform through the gap between the first track beam 311 and the second track beam 312, and then hoists a new fault - free bogie 201 to the upper part of the train 200 to be overhauled. Subsequently, the operator installs the new bogie 201 on the roof of the train 200 to be overhauled on the second - layer operation platform 2. After installing the bogie 201, the first track beam 311 and the second track beam 312 are closed.

[0065] It should be noted that there is still a gap between the first track beam 311 and the second track beam 312 in the closed state to allow the narrow part in the middle of the bogie 201 to pass through. After the connection between the lower part of the bogie 201 and the roof of the train 200 to be overhauled is removed, the first track beam 311 and the second track beam 312 are opened to widen the gap, allowing the wider lower part of the bogie 201 to pass through the gap and be removed from the maintenance platform under the hoisting of the hoisting equipment.

[0066] See Figure 6 and Figure 7 , the maintenance track also includes a driving device 6 for driving the first track beam 311 and the second track beam 312 to move relative to the second mounting beam 12. The driving device 6 includes a rotary driving member 61 and a synchronous belt mechanism 62. Among them, the rotary driving member 61 is arranged on the support beam frame 1; the synchronous belt mechanism 62 includes a driving pulley 621, a driven pulley and a synchronous belt 622 (parallel to the second mounting beam 12). The driving pulley 621 is coaxially connected to the output end of the rotary driving member 61, the driven pulley is rotatably arranged on the support beam frame 1, the synchronous belt 622 is sleeved on the driving pulley 621 and the driven pulley, and is connected to the first track beam 311 or the second track beam 312. When the pressure on the first track beam 311 and the second track beam 312 is unloaded (the AGV cart supports the body of the train 200 to be overhauled, the hoisting equipment hoists the bogie 201, and the train 200 to be overhauled is no longer suspended on the first track beam 311 and the second track beam 312), the rotary driving member 61 is started, which drives the driving pulley 621 to rotate. Then, the driving pulley 621 drives the driven pulley to rotate through the synchronous belt 622. The extending direction of the synchronous belt 622 is the same as the width direction of the first track beam 311 and the second track beam 312. During its transmission, it can drive the first track beam 311 and the second track beam 312 to move relative to the second mounting beam 12, realizing the opening and closing of the first track beam 311 and the second track beam 312.

[0067] In this embodiment, the rotary driving members 61 and the synchronous belt mechanisms 62 are arranged at both ends of the first track beam 311 and the second track beam 312 along the length direction to provide sufficient power for the opening and closing movement of the first track beam 311 and the second track beam 312.

[0068] In other embodiments, the driving device 6 can also use a chain drive mechanism, a rack and pinion mechanism, etc. for transmission, and is not limited to the synchronous belt mechanism 62 in this embodiment, as long as it can drive the first track beam 311 and the second track beam 312 to move relative to the second mounting beam 12 to realize opening and closing.

[0069] Further, a position sensor is also provided on the support beam frame 1 for detecting whether the first track beam 311 and the second track beam 312 are in place. After they are in place, the position sensor emits a signal, and the electronic control unit issues an instruction for the next step.

[0070] In this embodiment, after the first track beam 311 and the second track beam 312 are re-closed, they need to be locked so that the train can safely drive out of the maintenance platform. Refer to Figure 6 and Figure 8 , the opening and closing track device further includes a locking unit 7. The first track beam 311 and the second track beam 312 are locked to the support beam frame 1 through the locking unit 7 in the closed state. The locking unit 7 includes a linear drive 71 and a bolt 72. The linear drive 71 is fixedly arranged on the gantry 13 of the support beam frame 1, and its output end is connected to the bolt 72 to drive the bolt 72 to move up and down, so as to detachably insert into the first track beam 311 or the second track beam 312 to lock or release the first track beam 311 and the second track beam 312.

[0071] Further, the locking unit 7 further includes a guide sleeve 73 and a positioning sleeve 74. The guide sleeve 73 is arranged on the support beam frame 1, and positioning sleeves 74 are arranged on both the first track beam 311 and the second track beam 312. The positioning sleeves 74 are disposed directly below the corresponding guide sleeves 73. The bolt 72 is axially movably inserted into the guide sleeve 73 and detachably inserted into the corresponding positioning sleeve 74. The axial direction of the guide sleeve 73 is consistent with the driving direction of the linear drive 71 and the axial direction of the bolt 72, which can provide accurate guiding for the up and down movement of the bolt 72. When the first track beam 311 and the second track beam 312 move to the closed state, the positioning sleeve 74 and the guide sleeve 73 are vertically aligned, and the bolt 72 moves down and inserts into the positioning sleeve 74.

[0072] Refer to Figure 6 , locking units 7 are arranged at both ends of the first track beam 311 and the second track beam 312 along the length direction to firmly lock them.

[0073] Refer to Figure 3 and Figure 4 , a first safety fence 21 is arranged on the outside of the second-layer operation platform 2, and second safety fences 32 are arranged on the sides of the first track beam 311 and the second track beam 312 facing away from each other. When the first track beam 311 and the second track beam 312 move to open and close, the second safety fences 32 move accordingly. The arrangements of the first safety fence 21 and the second safety fences 32 can ensure the safety of the operating personnel and prevent the operating personnel from accidentally falling.

[0074] Refer to Figure 1 and Figure 6, a plurality of bogie accommodation areas 313 are arranged at intervals along the length direction of the three-layer operation platform 3. The plurality of bogie accommodation areas 313 correspond one-to-one to the plurality of bogies 201 on the train 200 to be overhauled. Each bogie accommodation area 313 is located in the area between two adjacent support beam frames 1. When the plurality of bogies 201 on the train 200 to be overhauled are correspondingly located in the plurality of bogie accommodation areas 313 one by one, the train 200 to be overhauled travels to the designated overhaul position. The setting of the bogie accommodation area 313 can indicate the docking position of the train 200 to be overhauled on the overhaul platform. Further, since each bogie accommodation area 313 is located in the area between two adjacent support beam frames 1, when using a hoisting device to lift and remove the disassembled bogie 201, the bogie 201 can be directly lifted vertically without horizontal movement and then hoisted. That is to say, after the train 200 to be overhauled docks at the designated overhaul position, there will be no interference between the bogie 201 and the gantry 13 of the support beam frame 1 in the vertical direction, and the gantry 13 will not block the vertical hoisting of the bogie 201, as Figure 9 the shown state.

[0075] Considering the arrangement mode of the bogies 201 on the train, in this embodiment, the plurality of support beam frames 1 in the overhaul track are distributed in a form of unequal-span and unequal-distance, which can realize the vertical lifting out and installation operations of all the roof equipment and the bogies 201.

[0076] Obviously, the above embodiments of the present invention are only examples for clearly explaining the present invention, and are not intended to limit the implementation manners of the present invention. For those of ordinary skill in the art, various obvious changes, re-adjustments and substitutions can be made without departing from the protection scope of the present invention. It is not necessary and impossible to enumerate all the implementation manners here. Any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. Suspended monorail train opening and closing maintenance platform, characterized in that, Comprising at least one maintenance track, the maintenance track comprising: A plurality of support beam frames (1), the plurality of support beam frames (1) being spaced apart along the traveling direction of the train (200) to be maintained, the support beam frame (1) comprising a first mounting beam (11) at a first height and a second mounting beam (12) at a second height, the first height being lower than the second height; A second-level working platform (2), arranged above the foundation platform at intervals and extending horizontally along the traveling direction of the train (200) to be maintained, the second-level working platform (2) being fixedly mounted on the first mounting beam (11); A third-level working platform (3), extending horizontally along the traveling direction of the train (200) to be maintained, the third-level working platform (3) being mounted on the second mounting beam (12) and being docked with the traveling track beam (100) of the train (200) to be maintained, the bogie (201) of the train (200) to be maintained passing through the third-level working platform (3) and being provided with traveling wheels (2011), the traveling wheels (2011) being capable of rolling and traveling on the surface of the third-level working platform (3); The second-level working platforms (2) are arranged on both sides of the third-level working platform (3) opposite to each other in the width direction; a plurality of the maintenance tracks are arranged side by side, and the second-level working platforms (2) of two adjacent maintenance tracks are fixedly connected; The third-level working platform (3) comprises a plurality of track beam segments (31) arranged along the traveling direction of the train (200) to be maintained, the track beam segments (31) being arranged between two adjacent support beam frames (1), each track beam segment (31) comprising a first track beam (311) and a second track beam (312), the first track beam (311) and the second track beam (312) both being movably arranged on the second mounting beam (12) along their width directions so that the first track beam (311) and the second track beam (312) can be switched between an open state and a closed state; In the closed state, the traveling wheels (2011) of the bogie (201) of the train (200) to be maintained are suspended on the first track beam (311) and the second track beam (312) in a rollable manner; In the open state, the bogie (201) of the train (200) to be maintained can be transferred out through the gap between the first track beam (311) and the second track beam (312) under the drive of a hoisting device.

2. The opening and closing maintenance platform of the suspended monorail train according to claim 1, wherein The maintenance track further comprises a transition track beam (4) and a fixed beam frame (5), the transition track beam (4) being arranged between the third-level working platform (3) and the traveling track beam (100), one end of the transition track beam (4) being connected to the support beam frame (1), the other end being connected to the fixed beam frame (5) and being docked with the traveling track beam (100), and the train (200) to be maintained on the traveling track beam (100) driving into the third-level working platform (3) through the transition track beam (4).

3. The opening and closing maintenance platform of the suspended monorail train according to claim 1, characterized in that, The inspection track further includes a driving device (6) for driving the first track beam (311) and the second track beam (312) to move relative to the second mounting beam (12), and the driving device (6) includes: A rotary driving member (61) disposed on the support beam frame (1); A synchronous belt mechanism (62) including a driving pulley (621), a driven pulley, and a synchronous belt (622). The driving pulley (621) is coaxially connected to the output end of the rotary driving member (61), the driven pulley is rotatably disposed on the support beam frame (1), and the synchronous belt (622) is sleeved on the driving pulley (621) and the driven pulley and is connected to the first track beam (311) or the second track beam (312).

4. The opening and closing maintenance platform of the suspended monorail train according to claim 1, characterized in that, The inspection track further includes a locking unit (7). The first track beam (311) and the second track beam (312) are locked to the support beam frame (1) through the locking unit (7) in the closed state, and the locking unit (7) includes: A linear driving member (71) disposed on the support beam frame (1); A bolt (72) disposed at the output end of the linear driving member (71); A guide sleeve (73) disposed on the support beam frame (1), and the bolt (72) is axially movably inserted into the guide sleeve (73); A positioning sleeve (74). The positioning sleeve (74) is provided on both the first track beam (311) and the second track beam (312). The positioning sleeve (74) is disposed directly below the guide sleeve (73), and the bolt (72) is detachably inserted into the positioning sleeve (74).

5. The opening and closing maintenance platform of the suspended monorail train according to claim 1, wherein, A first safety fence (21) is disposed outside the second-layer working platform (2), and second safety fences (32) are disposed on the sides of the first track beam (311) and the second track beam (312) facing away from each other.

6. The opening and closing maintenance platform of the suspended monorail train according to any one of claims 1-5, characterized in that A plurality of bogie accommodation areas (313) are spaced along the length direction on the third-layer working platform (3). The plurality of bogie accommodation areas (313) correspond one by one to a plurality of bogies (201) on the train to be inspected (200). Each bogie accommodation area (313) is located in the area between two adjacent support beam frames (1). When the plurality of bogies (201) on the train to be inspected (200) are correspondingly located in the plurality of bogie accommodation areas (313), the train to be inspected (200) travels to the designated inspection position.

7. The opening and closing maintenance platform of the suspended monorail train according to any one of claims 1-5, characterized in that The support beam frame (1) further includes a gantry (13) located above the third-layer working platform (3) to avoid the bogies (201) of the train to be inspected (200).

8. The opening and closing maintenance platform of the suspended monorail train according to any one of claims 1-5, characterized in that The inspection track further includes a first ladder (8) and a second ladder (9). The first ladder (8) extends from the foundation platform to the second-layer working platform (2), and the second ladder (9) extends from the second-layer working platform (2) to the third-layer working platform (3).

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