Lifting type platform door

Abstract

A lifting type platform door comprises a platform base body, a vertical protection plate, a stand column, a position control block, a fixed top plate, a cover, a worm and a blocking plate, the stand column is connected with the platform base body, a fixed bottom plate is arranged on the lower portion of the stand column and connected with the vertical protection plate, the exterior of the vertical protection plate is connected with the platform base body, the platform base body is provided with an embedded groove, and the embedded groove is matched with the vertical protection plate. The upper portion of the stand column is connected with a fixed top plate, the upper portion of the fixed top plate is provided with a supporting plate, the supporting plate is connected with a cover, the outer side of the cover is provided with heat dissipation holes, the inner side of the cover is provided with a pressing block, the pressing block is attached to a worm wheel, and the worm wheel is provided with a supporting rod groove. The pressing block is provided with a center supporting rod which is matched with the supporting rod groove and connected with the supporting rod groove.

Description

Technical Field

[0001] The utility model relates to the field of platform doors, in particular to a lifting platform door. Background Art

[0002] An existing patent (publication number: CN111762204A) proposes a lifting and folding platform protection device, comprising a lifting and folding platform door, columns, and end doors. The longitudinal platform door is provided with transverse end doors at each end. The ends of the shielding folding plate slide up and down on the columns on both sides. However, this device places the folding plate above the platform door, posing a safety hazard of falling and injuring passengers. Furthermore, due to the inherent limitations of the folding structure, the platform surface must always maintain a fixed mounting and transmission structure. The maximum opening of the platform door is always affected by these structures, which presents drawbacks. Summary of the Invention

[0003] In response to the above-mentioned deficiencies in the prior art, the utility model provides a lifting platform door which physically isolates the driving space from the passenger waiting space, thereby preventing passengers from entering the train operation area, reducing the accident rate, and improving the safety of passengers boarding and alighting. At the same time, it can assist in guiding passengers to quickly understand the train information and the location of the carriages, thereby improving the efficiency of boarding the train. Compared with the folding and rising mechanism, the utility model has higher safety, does not require the erection of a higher mounting structure, has a better platform space openness, and has a lower construction cost.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] A lifting platform door includes a platform base, a vertical guard plate, a column, a control block, a fixed top plate, a cover, a worm, and a barrier plate. The column is connected to the platform base, the lower part of the column has a fixed bottom plate, the fixed bottom plate is connected to the vertical guard plate, the outside of the vertical guard plate is connected to the platform base, the platform base has a pre-buried groove, the pre-buried groove is adapted to the vertical guard plate, the pre-buried groove is connected to the vertical guard plate, the interior of the vertical guard plate has a storage groove, the storage groove is adapted to the barrier plate, the barrier plate is connected to the storage groove, the upper part of the column is connected to the fixed top plate, the upper part of the fixed top plate has a support plate, the support plate is connected to the cover, the outer side of the cover has a heat dissipation hole, the inner side of the cover has a pressure block, the pressure block fits the worm gear, the worm gear has a support rod groove, the pressure block has a center support rod, the center support rod is adapted to the support rod groove, and the center support rod is connected to the support rod groove.

[0006] The utility model provides a pad at the bottom of the worm, which fits the fixed top plate. The pad is provided with a control rod at the bottom of the pad, which is connected to the inside of the bearing and the outside of the bearing is connected to the fixed top plate. The control rod is connected to the control block and the fixed bottom plate in sequence. The control rod is connected to the control block through a thread, and the control block is connected to the blocking plate. The blocking plate has connecting plates on both sides, and the control block has connecting ears on both sides. The connecting ears are connected to the connecting plates through screws. The screws pass through the connecting ears and the connecting plates in sequence, and the two ends of the screws are connected to nuts through threads.

[0007] The control block of the utility model is fitted with the column on the outside, and track grooves are provided on both sides of the column, the track grooves are adapted to the track bars, the track bars are connected to the track grooves, the inner side of the track bars is fitted with the control block, and sliders are provided on both sides of the control block, the track bars have slides, the sliders are adapted to the slides, the sliders are connected to the slides, the sliders slide in the slides, the slides have slide grooves, the slide grooves are adapted to the rollers, the rollers are connected to the slide grooves, the rollers slide in the slide grooves, the rollers are connected to the sliders through movable shafts, and the movable shafts are connected to the sliders and the rollers in turn.

[0008] The worm wheel described in the utility model is adapted to the worm, the worm wheel is connected to the worm, the worm fits the inner side of the support plate, the outer side of the support plate fits the baffle, the baffle has a support shaft, the support shaft passes through the support plate, the support shaft is connected to one end of the worm, the other end of the worm is connected to the driving shaft, the driving shaft passes through the support plate, the driving shaft is connected to the motor, and the motor is connected to the support plate. Beneficial effects

[0009] The utility model is arranged at the edge of the platform to isolate the passenger waiting area from the train running area and corresponds to the train door. When the train arrives and departs, the barrier plate is raised and lowered to physically isolate the driving space from the passenger waiting space, creating a safe and comfortable waiting environment for passengers. The barrier plate can be a transparent or red acrylic plate, or a warning sign can be affixed to it, so as to assist in guiding passengers and prevent them from entering the train running area, thereby reducing the accident rate and improving the safety of passengers boarding and alighting.

[0010] The positions of the worm and the worm wheel of the utility model correspond to and are connected, so that when the motor drives the worm to rotate through the driving shaft, the worm wheel and the control rod are linked accordingly, and the control rod is positioned and connected with the control block through a thread, so that when the control rod rotates, the control block performs longitudinal linear displacement accordingly, and drives the barrier plate to rise and fall synchronously, so as to meet the safety protection requirements when the train enters and exits the station. When the train enters the station, the barrier plate is driven to fall into the storage groove, so that an open space is formed between the platform and the door, which is convenient for passengers to get on and off the train. When the passengers have finished getting on and off the train, the barrier plate is driven to rise, forming a safety barrier between the platform and the train track. By isolating the passenger waiting area from the train running area, passengers are prevented from entering the train running area, thereby improving the safety of passengers getting on and off.

[0011] The cover of the utility model not only covers and protects the driving component, but also increases the limiting fulcrum of the worm gear, so that the worm gear can rotate axially while maintaining its longitudinal height unchanged, thereby preventing the worm gear from moving and affecting the linkage effect between the components, improving the structural stability, and dissipating the heat generated by the motor when it is working through the heat dissipation holes provided on the side, thereby preventing the temperature inside the cover from being too high and affecting the operation of the motor.

[0012] The utility model provides a vertical guard plate and the lower part of the column are pre-buried and fixed in the platform base, wherein the vertical guard plate provides a storage space for the lowering of the barrier plate, so that after the barrier plate falls, the platform base floor remains flat. Compared with the folding and rising mechanism, it is safer and does not require the erection of a higher mounting structure. The platform space is more open and the construction cost is lower. The outside of the column can be equipped with an electronic display screen or the train number and car number information can be pasted to assist and guide passengers to quickly understand the train information and car location, thereby improving the efficiency of boarding the train.

[0013] The utility model physically isolates the driving space from the passenger waiting space, prevents passengers from entering the train operation area, reduces the accident rate, and improves the safety of passengers boarding and alighting. At the same time, it can assist and guide passengers to quickly understand the train information and the location of the carriages, thereby improving the efficiency of boarding the train. Compared with the folding and rising mechanism, the utility model is safer and does not require the erection of a higher installation structure. The platform space is more open and the construction cost is lower. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of a lifting platform door described in the utility model.

[0015] Figure 2 This is an exploded view of the structure of the columns, track bars, control blocks, and fixed top plate described in the present invention.

[0016] Figure 3 This is an exploded view of the position control block driving structure described in the present utility model.

[0017] Figure 4 This is a cross-sectional view of the lift-type platform door structure described in the utility model.

[0018] Figure 5 This is a cross-sectional view of the lift-type platform door structure described in the utility model.

[0019] Figure 6 This is a cross-sectional view of the worm and worm wheel connection structure described in the present utility model.

[0020] Figure 7 The utility model Figure 4 A magnified view of the local structure. DETAILED DESCRIPTION

[0021] The present invention will be described in further detail below with reference to the accompanying drawings and embodiments:

[0022] Example 1:

[0023] A lifting platform door includes a platform base 01, a vertical guard plate 02, a column 04, a control block 06, a fixed top plate 15, a cover 18, a worm 21, and a blocking plate 31. The column 04 is connected to the platform base 01, and the lower part of the column 04 has a fixed bottom plate 14, which is connected to the vertical guard plate 02. The vertical guard plate 02 is externally connected to the platform base 01. The platform base 01 has a pre-buried groove 26, which is adapted to the vertical guard plate 02. The pre-buried groove 26 is connected to the vertical guard plate 02. 02 has a storage groove 03 inside, which is adapted to the baffle plate 31. The baffle plate 31 is connected to the storage groove 03. The lower part of the vertical guard plate 02 and the column 04 are pre-buried and fixed in the platform base 01. The vertical guard plate 02 provides a storage space for the baffle plate 31 to fall, so that after the baffle plate 31 falls, the platform base 01 ground remains flat. Compared with the folding and rising mechanism, it is safer and does not require a higher installation structure. The platform space is more open and the construction cost is lower. The exterior of the column 04 By adding an electronic display screen or pasting train number, car number information, etc., it can assist and guide passengers to quickly understand the train number information and car location, thereby improving the train boarding efficiency. The upper part of the column 04 is connected to the fixed top plate 15, and the upper part of the fixed top plate 15 has a support plate 17. The support plate 17 is connected to the cover 18. The cover 18 has a heat dissipation hole 19 on the outside and a pressure block 23 on the inside of the cover 18. The pressure block 23 fits the worm gear 20. The worm gear 20 has a support rod groove 25. The pressure block 23 has a central support rod 24. The central support rod 24 is adapted to the support rod groove 25, and the central support rod 24 is connected to the support rod groove 25. The cover 18 covers and protects the drive component and increases the limiting fulcrum for the worm gear 20, so that it can maintain its longitudinal height unchanged while performing axial rotation to prevent it from moving and affecting the linkage effect between the components, thereby improving the structural stability. The heat generated by the motor 27 during operation is discharged through the heat dissipation holes 19 provided on the side to prevent the temperature inside the cover 18 from being too high and affecting the operation of the motor 27.

[0024] Example 2:

[0025] The utility model provides a pad 22 at the bottom of the worm 21, which fits the fixed top plate 15. The pad 22 has a control rod 05 at the bottom, which is connected to the inside of the bearing 16, and the outside of the bearing 16 is connected to the fixed top plate 15. The control rod 05 is sequentially connected to the control block 06 and the fixed bottom plate 14. The control rod 05 is connected to the control block 06 through a thread, and the control block 06 is connected to the blocking plate 31. The blocking plate 31 has connecting plates 33 on both sides, and the control block 06 has connecting ears 32 on both sides. The connecting ears 32 are connected to the connecting plates 33 through screws 34, and the screws 34 pass through the connecting plates in sequence. Ear 32, connecting plate 33, and screw rod 34 are connected to nut 35 at both ends through threaded connection. This device is set at the edge of the platform to isolate the passenger waiting area from the train running area and corresponds to the train door. When the train arrives and departs, the barrier plate 31 is raised and lowered to physically isolate the driving space from the passenger waiting space, creating a safe and comfortable waiting environment for passengers. The barrier plate 31 can be a transparent or red acrylic plate, or a warning sign can be affixed to it to assist in guiding passengers and prevent them from entering the train running area, thereby reducing the accident rate and improving the safety of passengers boarding and alighting.

[0026] Example 3:

[0027] The control block 06 of the utility model is externally fitted with the column 04, and the column 04 has track grooves 08 on both sides, the track groove 08 is adapted to the track bar 07, the track bar 07 is connected to the track groove 08, the inner side of the track bar 07 is fitted with the control block 06, the control block 06 has sliders 10 on both sides, the track bar 07 has a slide 09, the slider 10 is adapted to the slide 09, the slider 10 is connected to the slide 09, the slider 10 slides in the slide 09, the slide 09 has a slide groove 11, the slide groove 11 is adapted to the roller 12, the roller 12 is connected to the slide groove 11, the roller 12 Sliding in the slide groove 11, the roller 12 is connected to the slider 10 through the movable shaft 13, and the movable shaft 13 is sequentially connected to the slider 10 and the roller 12. This device physically isolates the driving space from the passenger waiting space to prevent passengers from entering the train operation area, thereby reducing the accident rate and improving the safety of passengers getting on and off. At the same time, it can assist and guide passengers to quickly understand the train information and car location, thereby improving the efficiency of boarding the train. Compared with the folding and rising mechanism, it is safer and does not require the erection of a higher installation structure. The platform space is more open and the construction cost is lower.

[0028] Example 4:

[0029] The worm wheel 20 of the present invention is adapted to the worm 21. The worm wheel 20 is connected to the worm 21. The worm 21 fits the inner side of the support plate 17. The outer side of the support plate 17 fits the baffle 28. The baffle 28 has a support shaft 30. The support shaft 30 passes through the support plate 17. The support shaft 30 is connected to one end of the worm 21. The other end of the worm 21 is connected to the drive shaft 29. The drive shaft 29 passes through the support plate 17. The drive shaft 29 is connected to the motor 27. The motor 27 is connected to the support plate 17. The positions of the worm 21 and the worm wheel 20 correspond and are connected. When the motor 27 drives the worm 21 to rotate through the drive shaft 29, the worm wheel 20 and the control rod 05 rotate accordingly. The control rod 05 is positioned and connected with the control block 06 through a thread, so that when the control rod 05 rotates, the control block 06 also performs longitudinal linear displacement, and drives the blocking plate 31 to rise and fall synchronously, so as to meet the safety protection requirements when the train enters and exits the station. When the train enters the station, the blocking plate 31 is driven to fall into the storage groove 03, so that an open space is formed between the platform and the door, which is convenient for passengers to get on and off the train. When the passengers are boarding and getting off the train, the blocking plate 31 is driven to rise, forming a safety barrier between the platform and the train track. By isolating the passenger waiting area from the train running area, passengers are prevented from entering the train running area, thereby improving the safety of passengers getting on and off.

[0030] Example 5:

[0031] Installation steps: First, assemble the column 04 structure, first place the track bar 07 on both sides of the control block 06, and the slider 10 and the roller 12 are respectively embedded in the slide 09 and the slide groove 11, then place the track bar 07 in the track groove 08, and fixedly connected with the column 04, and the outer surface of the control block 06 is in contact with the column 04, then place the worm gear 20 on the upper part of the fixed top plate 15, and the lower surface of the pad 22 is in contact with the upper surface of the fixed top plate 15, and the control rod 05 is embedded in the bearing 16, then place the worm 21 and the baffle 28 on the inner and outer sides of the support plate 17 respectively, and the support shaft 30 passes through the support plate 17 and is fixedly connected to the worm 21, the worm 21 corresponds to the worm wheel 20 and is connected, then the drive shaft 29 passes through the support plate 17 and is fixedly connected to the worm 21, and then the motor 27 is installed and fixed to the outside of the support plate 17 and drives the motor with the drive shaft 29 After the support plate 17 is connected, the cover 18 is placed on the outside of the support plate 17 and fixedly connected to the fixed top plate 15. The heat dissipation hole 19 and the motor 27 are located on the same side. The lower surface of the pressure block 23 fits the upper surface of the worm gear 20. The center support rod 24 is embedded in the support rod groove 25. Finally, the fixed top plate 15 is placed on the upper part of the column 04 and fixedly connected to it. The control rod 05 is connected to the control block 06 and the fixed bottom plate 14 in sequence. The control rod 05 is positioned and connected to the control block 06 through a thread. After the assembly of the column 04 structure is completed, the barrier plate 31 is placed on the outside of the column 04, and the connecting plate 33 is fixedly connected to the connecting ear 32 through a screw 34 and a nut 35. Then the vertical guard plate 02 is fixedly connected to the fixed bottom plate 14, and the lower end of the column 04 is buried in the platform base 01 and fixed. The vertical guard plate 02 is embedded in the embedded groove 26, and the storage groove 03 corresponds to the position of the barrier plate 31 to complete the installation.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and modifications without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A lifting platform door, characterized by : It includes a platform base (01), a vertical guard plate (02), a column (04), a control block (06), a fixed top plate (15), a cover (18), a worm (21), and a barrier plate (31). The column (04) is connected to the platform base (01). The lower part of the column (04) has a fixed bottom plate (14). The fixed bottom plate (14) is connected to the vertical guard plate (02). The vertical guard plate (02) is externally connected to the platform base (01). The platform base (01) has a pre-buried groove (26). The pre-buried groove (26) is adapted to the vertical guard plate (02). The pre-buried groove (26) is connected to the vertical guard plate (02). The vertical guard plate (02) has a storage groove (03) inside. The receiving groove (03) is adapted to the blocking plate (31), the blocking plate (31) is connected to the receiving groove (03), the upper portion of the column (04) is connected to the fixed top plate (15), the upper portion of the fixed top plate (15) is provided with a support plate (17), the support plate (17) is connected to the cover (18), the outer side of the cover (18) is provided with a heat dissipation hole (19), the inner side of the cover (18) is provided with a pressing block (23), the pressing block (23) is fitted to the worm gear (20), the worm gear (20) has a support rod groove (25), the pressing block (23) has a central support rod (24), the central support rod (24) is adapted to the support rod groove (25), and the central support rod (24) is connected to the support rod groove (25).

2. A lifting platform door according to claim 1, characterized in that The worm (21) has a pad (22) at the bottom, the pad (22) fits the fixed top plate (15), the pad (22) has a control rod (05) at the bottom, the control rod (05) is connected to the inside of the bearing (16), the outside of the bearing (16) is connected to the fixed top plate (15), the control rod (05) is connected to the control block (06) and the fixed bottom plate (14) in sequence, the control rod (05) is connected to the control block (06) through a thread, the control block (06) is connected to the baffle plate (31), the baffle plate (31) has connecting plates (33) on both sides, the control block (06) has connecting ears (32) on both sides, the connecting ears (32) are connected to the connecting plate (33) through a screw (34), the screw (34) passes through the connecting ear (32) and the connecting plate (33) in sequence, and the two ends of the screw (34) are connected to nuts (35) through threads.

3. A lifting platform door according to claim 2, characterized in that The control block (06) is externally fitted with the column (04), the column (04) has track grooves (08) on both sides, the track grooves (08) are adapted to the track bar (07), the track bar (07) is connected to the track grooves (08), the track bar (07) is internally fitted with the control block (06), the control block (06) has sliders (10) on both sides, the track bar (07) has a slideway (09), the slider (10) is adapted to the slideway (09), and the slide The block (10) is connected to the slideway (09), the slider (10) slides in the slideway (09), the slideway (09) has a slide groove (11), the slide groove (11) is adapted to the roller (12), the roller (12) is connected to the slide groove (11), the roller (12) slides in the slide groove (11), the roller (12) is connected to the slider (10) through a movable shaft (13), and the movable shaft (13) is sequentially connected to the slider (10) and the roller (12).

4. A lifting platform door according to claim 1, characterized in that The worm wheel (20) is adapted to the worm (21), the worm wheel (20) is connected to the worm (21), the worm (21) is fitted on the inner side of the support plate (17), the outer side of the support plate (17) is fitted on the baffle (28), the baffle (28) has a support shaft (30), the support shaft (30) passes through the support plate (17), the support shaft (30) is connected to one end of the worm (21), the other end of the worm (21) is connected to a drive shaft (29), the drive shaft (29) passes through the support plate (17), the drive shaft (29) is connected to the motor (27), and the motor (27) is connected to the support plate (17).

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