Subway station ventilation pavilion opening closed water retaining equipment

Abstract

The invention relates to the technical field of metro station ventilation pavilion opening water retaining, in particular to metro station ventilation pavilion opening closed water retaining equipment. A metro station ventilation pavilion opening sealing water retaining device is arranged at a ventilation pavilion opening and is characterized in that a blocking door plate stacking area capable of storing blocking door plates is arranged on one side of the ventilation pavilion opening, and the metro station ventilation pavilion opening sealing water retaining device comprises a guide rail system and a carrying system; the subway station flood control and waterlogging prevention system has the remarkable advantages of being efficient and rapid in response, high in waterproof performance, optimized in structure, capable of saving space, stable and safe in long-term use, easy to operate and maintain and the like, a brand new solution is provided for flood control and waterlogging prevention of a subway station, and the safety and emergency response capacity of a subway system are effectively improved; the method has important practical value and social significance.

Description

Technical Field

[0001] The invention relates to the technical field of water retaining at the entrance of a subway station wind pavilion, and in particular to a closed water retaining device at the entrance of a subway station wind pavilion. Background Art

[0002] In the urban rail transit system, the wind shelter of the subway station is an important part of the ventilation system. As the ventilation facility of the station, the subway wind shelter becomes a high-risk point for rainwater backflow in extreme weather.

[0003] The existing flood and waterlogging prevention measures at the entrances of subway wind shelters are insufficient and cannot effectively cope with extreme weather conditions such as heavy rainstorms. This can easily lead to rainwater entering stations or tunnels, causing damage to facilities and operation interruptions, and may even cause serious passenger casualties, highlighting the importance and urgency of flood and waterlogging prevention design at the entrances of wind shelters.

[0004] The existing flood control designs for wind pavilion entrances often have problems such as slow response, insufficient waterproofing pressure, and insufficient structural strength, and are unable to meet flood control needs under extreme weather conditions.

[0005] Currently, there is a lack of efficient and reliable flood control and waterlogging prevention equipment specifically for the entrances of subway station wind shelters to solve the problem of rainwater backflow in extreme weather. Summary of the invention

[0006] The purpose of the invention is to solve the problems existing in the prior art and provide a closed water retaining device for the entrance of a subway station wind shelter.

[0007] In order to solve the problems existing in the prior art, the present invention adopts the following technical solutions:

[0008] A closed water retaining device for the entrance of a subway station wind pavilion, which is arranged at the entrance of the wind pavilion, and a blocking door panel stacking area for storing blocking door panels is arranged on one side of the entrance of the wind pavilion. The closed water retaining device for the entrance of the subway station wind pavilion includes a guide rail system and a transport system;

[0009] The guide rail system includes guide rails respectively laid on two opposite outer sides of the wind pavilion opening, and the guide rails extend from the wind pavilion opening to the blocking door panel stacking area;

[0010] The transport system includes a transport device, and the transport device drives the blocking door panel to move along the guide rail; the transport device includes a lifting mechanism, a walking mechanism and a control unit, the lifting mechanism is arranged on the walking mechanism, the control unit is used to control the lifting mechanism to adjust the horizontal height of the blocking door panel, and the control unit is used to control the walking mechanism to adjust the moving position of the blocking door panel;

[0011] When not in operation, the blocking door panel is placed in the blocking door panel stacking area;

[0012] During operation, the control unit controls the lifting mechanism to make the height of the blocking door panel consistent with the height of the manhole frame at the wind pavilion mouth, and the control unit controls the walking mechanism to move the blocking door panel from the blocking door panel stacking area to a designated position to block the wind manhole mouth.

[0013] As an improvement of the technical solution of the closed water retaining device at the entrance of the wind pavilion of a subway station of the present invention, the blocking door panel includes a door panel body, the door panel body is a steel beam plate structure, an annular embedded pressure plate is arranged around the inner panel, and rubber pads are arranged at the four corners of the inner side of the door panel body; the blocking door panel includes a starting door panel, at least one middle door panel and an end door panel, and a center seam rubber strip groove is also arranged on one end of the starting door panel and the middle door panel close to the blocking door panel stacking area;

[0014] Each of the blocking door panels is associated with the control unit, and the control unit controls the walking path of each of the blocking door panels.

[0015] As an improvement of the technical solution of the closed water retaining device at the entrance of the wind pavilion of a subway station of the present invention, a supporting steel plate is arranged on the well frame, the supporting steel plate is arranged along the circumference of the well frame, and a rubber strip groove is arranged on the supporting steel plate;

[0016] Angle steel is provided at the corner of the supporting steel plate; a first positioning component and a first fixing component are provided on the supporting steel plate; when the blocking door panel reaches the specified position, the first positioning component is adaptively connected with the second positioning component on the blocking door panel, and the first fixing component and the second fixing component provided on the blocking door panel can lock the blocking door panel on the well frame.

[0017] As an improvement of the technical solution of the closed water retaining device at the entrance of the subway station wind pavilion of the present invention, the walking mechanism includes a carrying trolley, and wheels are arranged at the bottom of the carrying trolley, and the wheels move on the guide rails;

[0018] The transport trolley includes a frame, which includes transport brackets respectively arranged on two tracks and a crossbeam connected to the upper parts of the two transport brackets; each of the transport brackets is provided with a first driving mechanism, the first driving mechanism is connected to the wheels, and the wheels are driven to move through the first driving mechanism; the crossbeam is provided with a second driving mechanism, and the second driving mechanism drives the start and stop of the lifting mechanism.

[0019] As an improvement of the technical solution of the closed water retaining device at the entrance of the subway station wind shelter of the present invention, each of the wheels is equipped with a guide roller, and each of the guide rollers is connected to the control unit to run along a predetermined track.

[0020] As an improvement of the technical solution of the closed water retaining device at the entrance of the subway station wind pavilion of the present invention, each of the first driving mechanisms includes a servo motor, the transmission shaft of the servo motor is connected to the driving gear of the transition gear set through a coupling, and the driven gear of the transition gear set drives the driving gear to rotate;

[0021] The guide rail is provided with a guide rail rack, and the guide rail rack is meshed with the driving gear;

[0022] The first driving mechanism also includes a gear mounting seat, the transition gear set and the driving gear are both arranged on the gear mounting seat, and a hinge is arranged on the gear mounting seat, and the hinge can make the gear mounting seat rotate flexibly to adapt to the smooth running of the transport trolley on the guide rail.

[0023] As an improvement on the technical solution of the closed water retaining device at the entrance of the subway station wind shelter of the present invention, a compression spring for compressing the drive gear to provide pre-tightening force is arranged on the gear mounting seat to ensure the tight engagement between the drive gear and the guide rail rack.

[0024] As an improvement of the technical solution of the closed water retaining device at the entrance of the subway station wind pavilion of the present invention, the lifting mechanism includes a second driving mechanism and a lifting unit;

[0025] The second driving mechanism includes a power source, the power source is arranged on the crossbeam, and the power source is respectively connected to the second driving mechanism;

[0026] The two lifting units are respectively arranged on one of the carrying brackets, and each of the carrying brackets is provided with a pulley track arranged along the setting direction of the carrying bracket;

[0027] Each of the lifting units comprises a lifting pulley, a lifting bracket, a lifting chain, a hydraulic cylinder, a lifting pulley, a chain connecting seat and a chain fixing seat;

[0028] The chain connecting seat and the lifting bracket are respectively arranged on the lifting pulley; the hydraulic cylinder includes a cylinder body and a piston rod that is telescopic in the cylinder body, and the piston rod performs telescopic movement relative to the cylinder body in a vertical direction, and the end of the piston rod is provided with the lifting pulley, and the lifting pulley includes a lifting pulley groove;

[0029] The chain fixing seat is arranged at the lower part of the cylinder body, one end of the lifting chain is fixed on the chain fixing seat, and the other end is arranged on the chain connecting seat, and the middle section of the lifting chain is arranged around the pulley groove;

[0030] When the piston rod extends upward, it pushes the lifting pulley to extend upward, and the lifting chain drives the chain connecting seat, the lifting pulley and the lifting bracket to rise.

[0031] As an improvement of the technical solution of the closed water retaining device at the entrance of the subway station wind pavilion of the present invention, the closed water retaining device at the entrance of the subway station wind pavilion is also equipped with a human operating device for carrying and operating the carrying system;

[0032] The manual operation device comprises an oil tank, and the oil tank and the oil pump form an oil circuit circulation through an oil inlet pipe and an oil return pipe. The oil pump is also externally connected to a pedal, and the pedal is connected to the oil pump through a return spring.

[0033] Beneficial effects of the present invention:

[0034] The present invention provides a new solution for flood control and waterlogging prevention of subway stations with its remarkable advantages such as high efficiency and rapid response, high strength waterproof performance, optimized structure and space saving, long-term stability and safety, and easy operation and maintenance, and effectively improves the safety and emergency response capabilities of the subway system. It has important practical value and social significance. In detail:

[0035] 1. The carrying system of the present invention enables the blocking door panel to be quickly started and installed in place in an emergency. The time from starting to being fully installed does not exceed 5 minutes, which greatly shortens the response time and effectively reduces the risk of flood backflow.

[0036] 2. A tight waterproof sealing strip is installed between the door frame and the blocking door panel. The water pressure is designed to be no less than 40KPa, which is far higher than the water pressure level that can be reached by general rainstorms. Even under extreme flood conditions, the structural integrity and waterproof performance can be maintained to ensure that the interior of the station is not invaded by floods.

[0037] 3. The blocking door panels adopt a modular design and can be assembled into a whole for installation. They are usually stacked horizontally on the side of the opening, which not only saves stacking space, but also ensures the safety and stability of stacking, avoiding the problem of traditional flood control facilities occupying a large amount of space.

[0038] 4. The door structure is a steel beam and plate structure, which can maintain good stability and durability even under long-term high water pressure, reducing maintenance costs and frequency and extending service life.

[0039] 5. The present invention is convenient for practical operation, simplifies the operation steps, and reduces the technical requirements for operators. At the same time, the modular design is also convenient for daily maintenance and replacement, thereby improving the reliability and usability of the overall equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Figure 1 It is a structural schematic diagram of the present invention;

[0041] Figure 2 It is a structural schematic diagram of the blocking state of the present invention;

[0042] Figure 3 It is a structural schematic diagram of the normal state of the present invention;

[0043] Figure 4 It is a schematic diagram of the structure of the present invention before transportation;

[0044] Figure 5 It is a schematic diagram of the structure of the present invention when transporting the middle blocking door panel;

[0045] Figure 6 This is a schematic diagram of the structure of the present invention after the door panel is blocked during transportation;

[0046] Figure 7 It is a schematic diagram of the structure of the blocking door panel in the present invention, wherein Figure 7 a is a schematic diagram of the structure of the initial blocking door panel. Figure 7 b is a schematic diagram of the structure of the middle blocking door panel. Figure 7 c is a schematic diagram of the structure of the final blocking door panel;

[0047] Figure 8 It is a structural schematic diagram of the well frame in the present invention;

[0048] Fig. 9 This is a schematic diagram of the structure of the blocking door panel after assembly in the present invention;

[0049] Fig.10 It is a structural schematic diagram of the connection between the blocking door plate and the well frame in the present invention;

[0050] Fig.11 It is a structural schematic diagram of the connection between two adjacent blocking door panels in the present invention;

[0051] Fig.12 It is a schematic diagram of the structure of the carrier system in the present invention;

[0052] Fig.13 It is a structural schematic diagram of the lifting mechanism in the present invention;

[0053] Fig.14 It is a schematic diagram of the structure of the human-powered operating device in the present invention.

[0054] Explanation of reference numerals: 1-blocking door panel; 2-blocking door panel stacking area; 3-wind pavilion opening; 4-covering shed; 5-storage rack; 6-carrying trolley; 7-well frame; 8-lifting bracket; 9-first fixing component; 10-second fixing component; 11-first positioning component; 12-second positioning component; 13-rubber pad; 14-stopper; 15-guide rail; 16-guide rail rack; 17-guide roller; 18-anti-collision rubber block; 19-frame; 20-rubber strip groove; 21-micro hydraulic station; 22-control box; 23-operation control box; 24-wheel; 25-angle steel; 26-servo motor; 27-reducer; 28-drive shaft; 29-coupling; 30- Compression spring; 31-gear mounting seat; 32-hinge; 33-transition gear set; 34-driving gear; 35-supporting steel plate; 36-annular embedded pressure plate; 37-beginning door panel; 38-middle door panel; 39-end door panel; 40-sealing strip; 41-hydraulic cylinder; 42-lifting chain; 43-lifting pulley; 44-pulley track; 45-crossbeam; 46-door panel support; 47-lifting pulley; 48-chain connecting seat; 49-chain fixing seat; 50-manual operating device; 51-oil inlet pipe; 52-oil return pipe; 53-foot pedal; 54-oil tank; 55-oil pump; 56-reset spring; 57-carrying system; 58-guide rail system; 59-handrail. DETAILED DESCRIPTION

[0055] In order to make the purpose, technical scheme and beneficial effects of the present invention clearer, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0056] like Figures 1 to 14 As shown, a closed water retaining device at the entrance 3 of a subway station wind pavilion is arranged at the entrance 3 of the wind pavilion, and a blocking door panel stacking area 2 for storing blocking door panels 1 is arranged on one side of the wind pavilion entrance 3. The closed water retaining device at the entrance 3 of the subway station wind pavilion includes a guide rail system 58 and a carrier system 57;

[0057] The guide rail system 58 includes guide rails 15 respectively laid on two opposite outer sides of the wind pavilion opening 3, and the guide rails 15 extend from the wind pavilion opening 3 to the blocking door panel stacking area 2;

[0058] The transport system 57 includes a transport device, which drives the blocking door panel 1 to move along the guide rail 15; the transport device includes a lifting mechanism, a traveling mechanism and a control unit, the lifting mechanism is arranged on the traveling mechanism, the control unit is used to control the lifting mechanism to adjust the horizontal height of the blocking door panel 1, and the control unit is used to control the traveling mechanism to adjust the moving position of the blocking door panel 1;

[0059] When not in operation, the blocking door panel 1 is placed in the blocking door panel stacking area 2;

[0060] During operation, the control unit controls the lifting mechanism to make the height of the blocking door panel 1 consistent with the height of the manhole frame 7 of the wind pavilion opening 3, and the control unit controls the walking mechanism to move the blocking door panel 1 from the blocking door panel stacking area 2 to the designated position to block the air well opening.

[0061] In the present invention, the blocking door panel 1 is placed in the blocking door panel stacking area 2 in advance, and the blocking door panel 1 is lifted to the same height as the well frame 7 of the wind pavilion opening 3 by the lifting mechanism in the carrying system 57, and then the blocking door panel 1 is transported to the wind pavilion opening 3 through the guide rail system 58 by the walking mechanism in the carrying system 57, and then the blocking door panel 1 is placed in the wind pavilion opening 3 by the lifting mechanism, so as to achieve the effect of sealing the wind pavilion opening 3 by the blocking door panel 1.

[0062] In addition, the present invention also includes a control unit, which includes a control box 22, an operation control box and a PLC, wherein the PLC is arranged in the control box 22, a control program is preset in the PLC, and the start and stop and running path of the lifting mechanism and the walking mechanism are controlled by the control program. The operator can control the control unit by operating the control box.

[0063] In some embodiments of the present invention, the blocking door panel stacking area 2 includes a storage rack 5, and the storage rack 5 is equipped with a cover 4. The cover 4 and the storage rack 5 extend the service life of the present invention and ensure its stability during use.

[0064] In detail, the present invention has a sealing and / or water-blocking function, and the transportation of multiple blocking door panels 1 is achieved by corresponding lifting mechanisms and walking mechanisms to achieve smooth and fast transportation.

[0065] Among them, the state in which the air booth opening 3 does not need to be sealed is the normal state, that is, when not in operation, in the normal state, the blocking door panels 1 are stacked in the blocking door panel stacking area 2 and are protected by the storage rack 5 and the cover shed 4.

[0066] At the same time, the well frame 7 is pre-buried and fixed at the wind pavilion opening 3, and a sealing strip and a fixing component and / or a positioning component adapted to the blocking door panel 1 are provided on the well frame 7 for subsequent installation and sealing of the blocking door panel 1. A door panel bracket 46 is also provided on the blocking door panel 1, and when the blocking door panel 1 is placed on the well frame 7, the blocking door panel 1 is arranged on the well frame 7 through the door panel bracket 46.

[0067] The blocking door panel stacking area 2 is arranged adjacent to the wind pavilion opening 3 to facilitate the storage and transportation of the blocking door panels 1 .

[0068] The carrying system 57 drives the blocking door panel 1 on the guide rail 15. The moving speed curve and the starting and ending positions of each blocking door panel 1 are all controlled by the control unit, ensuring that the entire sealed blocking conversion process is convenient, accurate and efficient, greatly improving the automation and operational reliability of the present invention. As a specific embodiment of the present invention, the time from starting to complete blocking does not exceed 5 minutes, ensuring rapid response in emergency situations.

[0069] In some embodiments of the present invention, the blocking door panel 1 includes a blocking door panel 1 body, the blocking door panel 1 body is a steel beam plate structure, an annular embedded pressure plate 36 is arranged around the inner panel, and a rubber pad 13 is arranged inside the blocking door panel 1;

[0070] The blocking door panel 1 includes an initial blocking door panel 1, at least one intermediate blocking door panel 1 and a final blocking door panel 1. A center seam rubber strip groove 20 is also provided on one end of the initial blocking door panel 1 and the intermediate blocking door panel 1 close to the blocking door panel stacking area 2.

[0071] Each blocking door panel 1 is associated with a control unit, and the control unit controls the walking path of each blocking door panel 1 .

[0072] In detail, in the present invention, when the blocking door panels 1 are stacked in the blocking door panel stacking area 2, the blocking door panel 1 placed at the bottom is the final blocking door panel 1, the blocking door panel 1 placed at the top is the initial blocking door panel 1, and the blocking door panel 1 placed between the initial blocking door panel 1 and the final blocking door panel 1 is the middle blocking door panel 1. When the blocking door panels 1 are placed on the well frame 7 to seal the wind pavilion opening 3, the blocking door panel 1 farthest from the blocking door panel stacking area 2 is the initial blocking door panel 1, and the blocking door panel 1 closest to the blocking door panel stacking area 2 is the final blocking door panel 1.

[0073] The sealing strips between each blocking door panel 1 and the well frame 7, as well as the sealing strips in the middle seams between adjacent blocking door panels 1, work together to achieve the effect of squeezing the sealing strips to enhance airtightness.

[0074] A center seam rubber strip groove 20 is provided to seal the middle gap between the door panels 1. The sealing rubber strip and the embedded plate structure effectively prevent gas and moisture leakage, provide good buffering and sealing protection, improve the sealing performance of the air shaft, and enhance its stability and durability under various environmental conditions.

[0075] Preferably, the blocking door panel 1 is a steel beam plate structure, using a 5mm thick high-strength panel to ensure its stability and durability when bearing heavy loads. The frame of the blocking door panel 1 is welded from high-quality channel steel and I-beams, which not only provides excellent load-bearing capacity, but also enhances the rigidity of the overall structure. The blocking door panel 1 has sufficient strength and rigidity to cope with various extreme working conditions.

[0076] Furthermore, a supporting steel plate 35 is provided on the well frame 7, and the supporting steel plate 35 is provided along the circumference of the well frame 7, and a rubber strip groove 20 is provided on the supporting steel plate 35;

[0077] An angle steel 25 is provided at the corner of the supporting steel plate 35; a first positioning component 11 and a first fixing component 9 are provided on the supporting steel plate 35; when the blocking door panel 1 reaches the specified position, the first positioning component 11 is adapted to be connected with the second positioning component 12 on the blocking door panel 1, and the first fixing component 9 and the second fixing component 10 provided on the blocking door panel 1 lock the blocking door panel 1 on the well frame 7.

[0078] As a specific example of the present embodiment, the first positioning component 11 and the second positioning component 12 are respectively a positioning column and a positioning groove matched with the positioning column, and the first fixing component 9 and the second fixing component 10 are respectively a lock and a lock seat.

[0079] In detail, an efficient positioning mechanism is adopted in the precise matching process between the blocking door panel 1 and the well frame 7. Matching positioning posts and positioning grooves are respectively provided on the blocking door panel 1 and the well frame 7. Each blocking door panel 1 is equipped with positioning posts at four corners, which can be accurately inserted into the positioning grooves of the well frame 7 during installation, ensuring that the blocking door panel 1 is accurately installed in place, avoiding the accumulation of installation deviations that affect the overall sealing effect of the air well, and realizing the rapid alignment and locking of the blocking door panel 1, while maintaining structural stability and reliability.

[0080] The four corners of the blocking door panel 1 are provided with precision-machined lock seats, which perfectly match the lock. After the installation is completed, the operator inserts the lock into the lock seat, and the blocking door panel 1 and the well frame 7 can be quickly and tightly locked, which simplifies the installation process, improves work efficiency, ensures the tight fit between the blocking door and the well frame 7 and the blocking door panel 1, and greatly improves the airtight performance of the wind pavilion opening 3.

[0081] As a specific embodiment of the present invention, the sealing of the blocking door panel 1 and the well frame 7 adopts a sealing strip and an embedded plate structure to ensure high air tightness and water tightness. The sealing strip is made of high-quality elastic material, such as ethylene propylene diene monomer (EPDM) with excellent weather resistance, heat resistance, and chemical resistance, and its aging resistance and sealing performance meet high standards. The embedded plate design allows the blocking door panel 1 to fit tightly with the well frame 7, thereby enhancing the sealing effect.

[0082] In some embodiments of the present invention, the traveling mechanism includes a transport trolley 6, and wheels 24 are provided at the bottom of the transport trolley 6, and the wheels 24 move on the guide rails 15;

[0083] The transport trolley 6 includes a frame 19, which includes transport brackets respectively arranged on two tracks and a crossbeam 45 connected to the upper parts of the two transport brackets; each transport bracket is provided with a first driving mechanism, the first driving mechanism is connected to the wheel 24, and the wheel 24 is driven by the first driving mechanism; a second driving mechanism is provided on the crossbeam 45, and the second driving mechanism drives the start and stop of the lifting mechanism.

[0084] In this embodiment, each wheel 24 is equipped with a guide roller 17, and each guide roller 17 is connected to a control unit to run along a predetermined track.

[0085] In this embodiment, each first driving mechanism includes a servo motor 26, a transmission shaft 28 of the servo motor 26 is connected to the driving gear of the transition gear set 33 through a coupling 29, and the driven gear of the transition gear set 33 drives the driving gear 34 to rotate; a guide rail rack 16 is provided on the guide rail 15, and the guide rail rack 16 is meshed with the driving gear 34. That is, in the present invention, the driving gear 34 is driven to rotate by the servo motor 26, and the driving gear 34 is meshed with the guide rail rack 16 on the guide rail 15, so as to achieve the effect of moving the transport trolley 6 on the guide rail 15.

[0086] The first driving mechanism also includes a gear mounting seat 31, on which a transition gear set 33 and a driving gear 34 are both arranged. A hinge 32 is arranged on the gear mounting seat 31, and the hinge 32 allows the gear mounting seat 31 to rotate flexibly to adapt to the smooth running of the carrying trolley 6 on the guide rail 15.

[0087] Furthermore, a compression spring 30 for compressing and providing a pre-tightening force for the driving gear 34 is provided on the gear mounting seat 31 to ensure tight engagement between the driving gear 34 and the guide rail rack 16 .

[0088] In this embodiment, the lifting mechanism includes a second driving mechanism and a lifting unit;

[0089] The second driving mechanism includes a power source, which is arranged on the crossbeam 45 and is respectively connected to the second driving mechanism;

[0090] The two lifting units are respectively arranged on a carrier support, and each carrier support is provided with a pulley track 44 arranged along the direction in which the carrier support is arranged;

[0091] Each lifting unit includes a lifting pulley 43, a lifting bracket 8, a lifting chain 42, a hydraulic cylinder 41, a lifting pulley 47, a chain connecting seat 48 and a chain fixing seat 49;

[0092] The chain connecting seat 48 and the lifting bracket 8 are respectively arranged on the lifting pulley 43; the hydraulic cylinder 41 includes a cylinder body and a piston rod that is telescopic in the cylinder body, and the piston rod performs telescopic movement relative to the cylinder body in the vertical direction, and a lifting pulley 47 is arranged at the end of the piston rod, and the lifting pulley 47 includes a lifting pulley 47 groove;

[0093] The chain fixing seat 49 is arranged at the lower part of the cylinder body, one end of the lifting chain 42 is fixed on the chain fixing seat 49, and the other end is arranged on the chain connecting seat 48, and the middle section of the lifting chain 42 is arranged around the pulley groove;

[0094] When the piston rod extends upward, it pushes the lifting pulley 47 to extend upward, and the lifting chain 42 drives the chain connecting seat 48, the lifting pulley 43 and the lifting bracket 8 to rise.

[0095] In detail, in the present invention, when the piston rod extends upward relative to the cylinder body, the piston rod pushes the lifting pulley 47 to rise. At this time, since the lifting chain 42 is set in the pulley groove of the lifting pulley 47, the lifting pulley 47 pushes the lifting chain 42 to drive the chain connecting seat 48 and the lifting bracket 8 to rise, and pushes the lifting pulley 43 to rise in the pulley track 44, so as to achieve the effect of driving the blocking door panel 1 to rise. When the piston rod of the hydraulic cylinder 41 performs telescopic movement, it drives the lifting chain 42 to move. Since the lifting chain 42 is connected to the lifting pulley 43, the movement of the lifting chain 42 enables the lifting pulley 43 to achieve the lifting function.

[0096] Among them, in the present invention, the lifting chain 42 and the lifting pulley 43 are arranged to realize the linkage with the pulley. The middle part of the chain is placed in the pulley groove at the top of the oil cylinder.

[0097] The lifting pulley 47 is arranged in such a way that it acts like a movable pulley, and by means of the unique mechanical transmission principle of the lifting pulley 47, the speed at which the lifting chain 42 moves can reach twice the extension and retraction speed of the hydraulic cylinder 41. This speed-increasing mechanism effectively speeds up the lifting speed of the lifting pulley 43, thereby significantly improving the working efficiency of the entire lifting system.

[0098] Secondly, in order to improve the adaptability of the system in flood prevention environments, the servo motor 26 and other electrical components are set at a height of at least 1 meter above the ground, which effectively prevents direct invasion of floods on electrical equipment and further enhances the overall stability and reliability of the system.

[0099] Third, the frame 19 of the transport trolley 6 is made of high-strength square tubes and other high-quality profiles by welding, and its structural design is optimized according to the size of the blocking door panel 1 to ensure that the size of the frame 19 is perfectly matched with the blocking door panel 1, providing a stable and reliable bearing platform for the blocking door panel 1.

[0100] Fourth, a stopper 14 is provided at the end of the guide rail 15 to prevent the transport trolley 6 from leaving the guide rail 15. Correspondingly, an anti-collision rubber block 18 is also provided at the front of the transport trolley 6, which can hit the stopper 14 to buffer the power of the transport trolley 6.

[0101] Furthermore, the coupling 29 in the first driving mechanism is a telescopic universal coupling 29, which can effectively compensate for the relative displacement caused by vibration, impact, etc., so that the meshing of the gear and the guide rack 16 always maintains an appropriate buffer margin when the trolley is moving, further improving the reliability and durability of the operation. A reducer 27 is also connected between the coupling 29 and the servo motor 26.

[0102] Furthermore, a compression spring 30 for compressing and providing a pre-tightening force for the driving gear 34 is provided on the gear mounting seat 31 to ensure tight engagement between the driving gear 34 and the guide rail rack 16 .

[0103] In detail, as a specific embodiment of the present invention, the transport trolley 6 adopts a four-wheel structure, that is, it includes four rollers, which can make the transport trolley 6 move horizontally smoothly along the guide rail 15, and in order to prevent the transport trolley 6 from derailing, a guide roller 17 is arranged on each roller, and each guide roller 17 can be connected to the control unit, and the control unit makes it run safely and smoothly along the predetermined track. On the frames 19 on both sides of the transport trolley 6, first drive mechanisms are respectively arranged, and the synchronous drive of the transport trolley 6 is realized by two first drive mechanisms to ensure its stability and accuracy during the movement. In addition, the walking path of the transport trolley 6 is controlled by the PLC in the control unit, and a specific path program is corresponding to different blocking door panels 1, so as to realize automatic operation.

[0104] In addition, in the first driving mechanism, the mounting seat can be flexibly rotated within a certain range through the hinge 32, which can effectively adapt to the slight deformation and unevenness of the guide rail 15.

[0105] In detail, in the lifting mechanism of the present invention, the micro hydraulic station 21 is used as a power source, and the micro hydraulic station 2121 is used to realize the synchronous operation of the second driving mechanisms arranged on both sides of the transport trolley 6.

[0106] Among them, in the present invention, since the lifting mechanism includes a pulley drive, with the help of the pulley, the pulley drives the lifting chain 42 to move, and the moving speed of the lifting chain 42 can reach twice the extension and retraction speed of the hydraulic cylinder 41, effectively improving the lifting efficiency.

[0107] The lifting trolleys 43 on both sides of the transport trolley 6 are driven by a set of power units to achieve synchronous operation. The micro hydraulic station 21, as a power source, has high efficiency and stable performance characteristics. Its compact structural design enables it to be easily placed on the top of the transport trolley 6, which is easy to maintain and does not affect the overall layout of the transport trolley 6. Key components such as oil cylinders, chains, pulleys, etc. are built into the lifting trolley 43, forming a simple and efficient transmission system.

[0108] The hydraulic oil flow and pressure of the lifting pulleys 43 on both sides are accurately controlled by the hydraulic synchronous diverter valve, which realizes fast and smooth synchronous lifting movement, ensures the horizontality and stability of the blocking door panel 1 during the lifting process, and effectively avoids problems such as jamming or damage of the blocking door panel 1 caused by asynchronous lifting, thus providing a strong guarantee for the smooth progress of the sealing operation of the wind pavilion mouth 3.

[0109] In some embodiments of the present invention, the closed water device at the entrance 3 of the subway station wind pavilion is also equipped with a human operating device 50 for carrying and operating the carrying system 57;

[0110] The manual operation device 50 includes an oil tank 54, and the oil tank 54 and the oil pump 55 form an oil circuit through the oil inlet pipe 51 and the oil return pipe 52. The oil pump 55 is also externally connected to a pedal 53, and the pedal 53 is connected to the oil pump 55 through a return spring 56. Preferably, an armrest 59 is also provided on the oil tank 54 so that the operator can keep balance when stepping on the pedal 53 alternately.

[0111] In detail, when facing power outage or electric equipment failure, the human emergency operation mode can be immediately activated. The operator manually steps on the foot pedal 53 type hydraulic oil pump 55 to replace the electric drive unit, thereby realizing the lifting and opening and closing action of the blocking door panel 1.

[0112] Furthermore, the foot-operated 53 type hydraulic oil pump 55 adopts a double-plunger hydraulic oil pump 55 design and is equipped with a return spring 56. When working, the person's legs stand on the two pedals of the foot-operated 53 mechanism respectively, hold the handrail 59 with both hands, and use the person's own weight to alternately step on the pedals with both feet to press the two oil pumps 55, and the two oil pumps 55 alternately and continuously supply oil out.

[0113] During operation, the two oil pumps 55 supply oil alternately, effectively ensuring the continuity and stability of the oil supply. A hydraulic check valve is provided at the outlet of each plunger oil pump 55 to ensure that the two oil pumps 55 do not interfere with each other when working alternately, to prevent the hydraulic oil from flowing back, thereby maintaining the stability of the system pressure, so that the lifting and lowering operation of the door panel can be carried out smoothly and reliably.

[0114] When in use, the oil inlet and outlet pipes of the oil pump 55 are connected to the oil inlet and outlet pipes of the transport trolley 6, and the hydraulic oil pump 55 is driven to drive the lifting pulley 43 to lift the blocking door panel 1, so that the blocking door panel 1 is separated from the well frame 7. Then the transport trolley 6 is pushed to walk back to the blocking door panel stacking area 2, and the blocking door panel 1 is ready to be placed back in the blocking door panel stacking area 2. The hydraulic oil pump 55 is then driven to drive the lifting pulley 43 to slowly drop the blocking door panel 1 to the blocking door panel stacking area 2, and the recovery of all the blocking door panels 1 is completed.

[0115] As a specific embodiment of the present invention, the state in which the air booth opening 3 does not need to be sealed is the normal state. In the normal state, the well frame 7 is pre-buried and fixed at the air booth opening 3. The well frame 7 is provided with key structures such as the installation groove of the sealing strip 40 and the installation positioning groove of the blocking door panel, which are used for the subsequent installation and sealing operation of the blocking door panel. The guide rails 15 of the transport trolley 6 are laid on both sides of the air shaft, connecting the air shaft and the blocking door panel stacking area 2. The stacking area is arranged close to the air shaft opening to facilitate the storage and transportation of the blocking door panels. The blocking door panels 1 are stacked horizontally on the special stacking shelves in the stacking area, and the transport trolley 6 is parked in the stacking area.

[0116] When the wind pavilion opening 3 needs to be sealed, the operator's operation includes at least the following steps:

[0117] 1. First, start the power of the transport trolley 6 and press the "Auto Close" button on the control panel. At this time, the transport trolley 6 will automatically correct the origin position to ensure the accuracy and consistency of subsequent operations.

[0118] 2. After the calibration is completed, the transport trolley 6 moves to the stacking position of the blocking door panels. The lifting pulleys 43 on the left and right sides of the trolley are started to steadily lift the first blocking door panel off the stacking rack and raise it to a specific transportation height to prepare for the transportation of the blocking door panels.

[0119] 3. The traveling mechanism of the transport trolley 6 runs accurately along the guide rail 15 to the installation position of the initial blocking door panel 37 according to a pre-set program, ensuring that the initial blocking door panel 37 can be accurately positioned.

[0120] 4. After arriving at the installation position, the lifting mechanism of the transport trolley 6 slowly lowers the blocking door panel to the corresponding installation position of the well frame 7, and separates the blocking door panel from the blocking door panel bracket 46, thereby completing the installation of the initial blocking door panel 37.

[0121] 5. After the initial blocking door panel 37 is installed, the transport trolley 6 automatically moves back to the blocking door panel stacking position to prepare for the transport of the next blocking door panel.

[0122] 6. The transportation method of the middle blocking door panel 38 and the final blocking door panel 39 is similar to steps 2 to 4 of the initial blocking door panel 37. Repeat the above steps 2 to 5.

[0123] 7. After all the blocking door panels have been transported and installed, the transport trolley 6 will automatically run back to the covered shed 4 for parking.

[0124] 8. After all the blocking door panels are installed in place, the operator inserts the movable lock into the blocking door panel lock seat and tightly locks the blocking door panel and the well frame 7 to ensure the sealing effect.

[0125] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present invention.

Claims

1. A closed water retaining device for the entrance of a subway station wind pavilion, arranged at the entrance of the wind pavilion, characterized in that: A blocking door panel stacking area for storing blocking door panels is provided at one side of the wind pavilion opening, and the closed water retaining device at the subway station wind pavilion opening includes a guide rail system and a transport system; The guide rail system includes guide rails respectively laid on two opposite outer sides of the wind pavilion opening, and the guide rails extend from the wind pavilion opening to the blocking door panel stacking area; The transport system includes a transport device, and the transport device drives the blocking door panel to move along the guide rail; the transport device includes a lifting mechanism, a walking mechanism and a control unit, the lifting mechanism is arranged on the walking mechanism, the control unit is used to control the lifting mechanism to adjust the horizontal height of the blocking door panel, and the control unit is used to control the walking mechanism to adjust the moving position of the blocking door panel; When not in operation, the blocking door panel is placed in the blocking door panel stacking area; During operation, the control unit controls the lifting mechanism to make the height of the blocking door panel consistent with the height of the manhole frame at the wind pavilion mouth, and the control unit controls the walking mechanism to move the blocking door panel from the blocking door panel stacking area to a designated position to block the wind manhole mouth.

2. The closed water retaining device for the subway station wind shelter opening according to claim 1 is characterized in that: The blocking door panel comprises a door panel body, the door panel body is a steel beam plate structure, an annular embedded pressure plate is arranged around the inner panel, and rubber pads are arranged at the four inner corners of the door panel body; The blocking door panel includes a starting door panel, at least one middle door panel and a final door panel, and a center seam rubber strip groove is further provided on one end of the starting door panel and the middle door panel close to the blocking door panel stacking area; Each of the blocking door panels is associated with the control unit, and the control unit controls the walking path of each of the blocking door panels.

3. The closed water retaining device for the entrance of a subway station wind shelter according to claim 1, characterized in that: A supporting steel plate is provided on the well frame, the supporting steel plate is arranged along the circumference of the well frame, and a rubber strip groove is provided on the supporting steel plate; Angle steel is provided at the corner of the supporting steel plate; a first positioning component and a first fixing component are provided on the supporting steel plate; when the blocking door panel reaches the specified position, the first positioning component is adaptively connected with the second positioning component on the blocking door panel, and the first fixing component and the second fixing component provided on the blocking door panel can lock the blocking door panel on the well frame.

4. The closed water retaining device for the entrance of a subway station wind shelter according to claim 1, characterized in that: The walking mechanism includes a transport trolley, the bottom of which is provided with wheels, and the wheels move on the guide rails; The transport trolley includes a frame, which includes transport brackets respectively arranged on two tracks and a crossbeam connected to the upper parts of the two transport brackets; each of the transport brackets is provided with a first driving mechanism, the first driving mechanism is connected to the wheels, and the wheels are driven to move through the first driving mechanism; the crossbeam is provided with a second driving mechanism, and the second driving mechanism drives the start and stop of the lifting mechanism.

5. The closed water retaining device for the entrance of a subway station wind shelter according to claim 4, characterized in that: Each of the wheels is equipped with a guide roller, and each of the guide rollers is connected to the control unit to run along a predetermined track.

6. The closed water retaining device for the entrance of a subway station wind shelter according to claim 4, characterized in that: Each of the first driving mechanisms comprises a servo motor, the transmission shaft of the servo motor is connected to the driving gear of the transition gear set through a coupling, and the driven gear of the transition gear set drives the driving gear to rotate; The guide rail is provided with a guide rail rack, and the guide rail rack is meshed with the driving gear; The first driving mechanism also includes a gear mounting seat, the transition gear set and the driving gear are both arranged on the gear mounting seat, and a hinge is arranged on the gear mounting seat, and the hinge can make the gear mounting seat rotate flexibly to adapt to the smooth running of the transport trolley on the guide rail.

7. The closed water retaining device for the entrance of a subway station wind shelter according to claim 6, characterized in that: The gear mounting seat is provided with a compression spring for compressing and providing pre-tightening force for the driving gear to ensure tight meshing of the driving gear with the guide rail rack.

8. The closed water retaining device for the entrance of a subway station wind shelter according to claim 4, characterized in that: The lifting mechanism includes a second driving mechanism and a lifting unit; The second driving mechanism includes a power source, the power source is arranged on the crossbeam, and the power source is respectively connected to the second driving mechanism; The two lifting units are respectively arranged on one of the carrying brackets, and each of the carrying brackets is provided with a pulley track arranged along the setting direction of the carrying bracket; Each of the lifting units comprises a lifting pulley, a lifting bracket, a lifting chain, a hydraulic cylinder, a lifting pulley, a chain connecting seat and a chain fixing seat; The chain connecting seat and the lifting bracket are respectively arranged on the lifting pulley; the hydraulic cylinder includes a cylinder body and a piston rod that is telescopic in the cylinder body, and the piston rod performs telescopic movement relative to the cylinder body in a vertical direction, and the end of the piston rod is provided with the lifting pulley, and the lifting pulley includes a lifting pulley groove; The chain fixing seat is arranged at the lower part of the cylinder body, one end of the lifting chain is fixed on the chain fixing seat, and the other end is arranged on the chain connecting seat, and the middle section of the lifting chain is arranged around the pulley groove; When the piston rod extends upward, it pushes the lifting pulley to extend upward, and the lifting chain drives the chain connecting seat, the lifting pulley and the lifting bracket to rise.

9. The closed water retaining device for the entrance of a subway station wind shelter according to claim 1, characterized in that: The subway station wind shelter entrance sealed water device is also equipped with a human operating device for carrying and operating the carrying system; The manual operation device comprises an oil tank, and the oil tank and the oil pump form an oil circuit circulation through an oil inlet pipe and an oil return pipe. The oil pump is also externally connected to a pedal, and the pedal is connected to the oil pump through a return spring.

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