Diagonal elevator landing door turnover platform

Abstract

The patent discloses a diagonal elevator layer door turnover platform, which comprises a driving unit, a fixing unit, a rotating unit and a control unit; the driving unit comprises a cylinder body, a piston and a hinge; the piston is slidingly installed in the cylinder body, and the hinge is arranged at the end of the piston; the fixing unit comprises a fixing frame, a bearing seat and a fixed platform; the cylinder body is rotatably installed on the fixing frame; the rotating unit comprises a rotating frame, a turnover shaft and a rotating platform; a counterweight is arranged below the rotating frame; the counterweight can partially or completely offset the weight of the layer door, thereby reducing the requirement for the output force of the driving unit; a limiting cam is arranged at the side of the turnover shaft, and a cam limiting switch is arranged on the limiting cam; the limiting cam rotates with the turnover shaft, and the angle feedback is not deviated or delayed, so that the processing and manufacturing are facilitated; the limiting cam and the cam limiting switch are small in size, small in occupied space and located on the outside, so that the replacement and maintenance are facilitated.

Description

Technical Field

[0001] This patent relates to the field of inclined elevator technology, specifically an inclined elevator floor door flipping platform. Background Technology

[0002] Inclined elevators are generally used in places such as inside the columns of large bridges and on the surface of mountains. Their running direction is at a certain angle to the direction of gravity.

[0003] When the inclined elevator is level, the landing door and the car door must remain vertical to ensure that passengers can travel together. However, when the elevator is moving up or down, the trajectory of the car door and the vertical landing door will interfere with each other, and the landing door must be tilted at a certain angle to avoid interference.

[0004] In view of the above-mentioned problems, the present invention provides a tilting elevator landing door tilting platform to realize the automatic tilting of the landing door. Utility Model Content

[0005] The purpose of this patent is to provide a tilting elevator landing door tilting platform to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this patent provides the following technical solution: a tilting platform for a inclined elevator landing door, comprising a drive unit, a fixing unit, a rotating unit, and a control unit; the drive unit includes a cylinder, a piston, and a hinge; the piston is slidably mounted in the cylinder, and the hinge is disposed at the end of the piston; the fixing unit includes a fixing frame, a bearing seat, and a fixing platform; the cylinder is rotatably mounted on the fixing frame; the rotating unit includes a rotating frame, a tilting shaft, and a rotating platform; the rotating platform is fixedly connected to the rotating frame; the rotating frame includes a crossbeam and a column; a pivot hole is provided at the lower end of the column; the tilting shaft passes through the pivot hole, and two bearing seats are respectively sleeved on both ends of the tilting shaft; the column, tilting shaft, and bearing seats are symmetrically arranged on both sides of the drive unit; multiple crossbeams are fixedly connected to two columns at both ends; a hinge seat is provided on one of the crossbeams; the hinge is rotatably connected to the hinge seat; the control unit includes a controller; the controller is electrically connected to the cylinder.

[0007] Preferably, the rotating unit further includes a counterweight; the counterweight includes a counterweight frame and counterweight blocks; the counterweight frame is disposed at the lower end of the rotating frame; and a plurality of the counterweight blocks are placed inside the counterweight frame.

[0008] Preferably, the counterweight further includes a limiting plate; the counterweight frame is a sheet metal part with a C-shaped cross section, and a reinforcing rib is provided in the middle of the counterweight frame; multiple counterweight blocks are vertically clamped in the counterweight frame; and four limiting plates are respectively installed on the inner sides of both ends of the counterweight frame.

[0009] Preferably, the fixed frame includes a ground connecting frame, uprights, diagonal braces, and bearing seat pillars; a cylinder connecting plate is provided on the ground connecting frame; the cylinder is fixedly connected to the cylinder connecting plate; the lower ends of the uprights, diagonal braces, and bearing seat pillars are fixedly connected to the ground connecting frame, and the upper ends of the uprights and diagonal braces are connected to the fixed platform; the four bearing seats are respectively fixedly connected to two bearing seat pillars.

[0010] Preferably, the fixing frame further includes a fixing limit block; the rotating unit further includes a limiting cam; the control unit further includes a cam limit switch; the fixing limit block is installed on the side of the bearing seat support; the two limiting cams are respectively concentrically fixedly installed on the outer ends of the two flip shafts; the two cam limit switches are respectively installed on the outer end faces of the two outer bearing seats; the flip shaft is keyed to the rotating shaft hole; the cam limit switch is electrically connected to the controller.

[0011] Preferably, the fixing frame further includes a limiting groove; the rotating frame further includes a limiting shaft; the control unit further includes a shaft limiting switch; two sets of the limiting grooves, mirror-symmetrically arranged, are installed on the side of the bearing seat support; the two limiting shafts are respectively fixed to the lower ends of the two columns, and the limiting shafts are slidably installed in the limiting grooves; the two shaft limiting switches are installed on the side of one of the limiting grooves; the shaft limiting switches are electrically connected to the controller.

[0012] Preferably, the rotating platform has a positive chamfer at its edge; the fixed platform has a negative chamfer at its edge.

[0013] Preferably, the surface of the rotating platform is covered with a rotating platform anti-slip plate; the surface of the fixed platform is covered with a fixed platform anti-slip plate.

[0014] Preferably, a dustproof cloth is connected between the rotating platform and the fixed platform.

[0015] Preferably, the rotating frame further includes a vertical limiting block and an tilting limiting block; the two vertical limiting blocks are fixedly connected to the lowest crossbeam; the two tilting limiting blocks are respectively fixedly connected to the lower ends of the two columns.

[0016] Compared with existing technologies, the beneficial effects of this patent are:

[0017] 1. The present invention provides a counterweight below the rotating frame, which can partially or completely offset the weight of the door, thereby reducing the requirements for the output force of the drive unit.

[0018] 2. The present invention provides a limiting cam and a cam limit switch on the side of the flip shaft, which can control the reversing angle of the landing door. The limiting cam rotates with the flip shaft, and the angle feedback has no deviation or delay, which is convenient for processing and manufacturing. The limiting cam and the cam limit switch are small in size, occupy little space, and are located on the outside, which is convenient for replacement and maintenance.

[0019] 3. The present invention does not have fixed requirements for the position of the drive unit, and it can be set below the sill plane or above the door opening height according to the actual situation. Attached Figure Description

[0020] Figure 1 This is a vertical schematic diagram of the floor door of the present invention.

[0021] Figure 2 This is a schematic diagram of the tilting of the floor door according to the present invention.

[0022] Figure 3 This is a schematic diagram of the driving unit of the present invention.

[0023] Figure 4 This is a schematic diagram of the fixing unit of the present invention.

[0024] Figure 5 This is a schematic diagram of the rotating unit of the present invention.

[0025] Figure 6 This is an inclined side view of the door of the present invention.

[0026] Figure 7 This is a vertical side view of the door of the present invention.

[0027] Figure 8 This is a detailed view of the tilting of the floor door according to the present invention.

[0028] Figure 9 This is a top-side view of the driver of the present invention.

[0029] Figure 10 This is a diagram showing the driving mechanism of the present invention.

[0030] In the diagram: Drive unit 1, cylinder 11, piston 12, hinge 13, fixing unit 2, fixing frame 21, ground connection frame 211, cylinder connecting plate 2111, vertical support 212, diagonal support 213, bearing seat support column 214, fixing limit block 215, limit groove 216, bearing seat 22, fixing platform 23, chamfer 231, fixing platform anti-slip plate 232, rotating unit 3, rotating frame 31, crossbeam 311, hinge seat 3111, Column 312, Rotary shaft hole 3121, Limiting shaft 313, Vertical limiting block 314, Inclined limiting block 315, Flipping shaft 32, Rotating platform 33, External chamfer 331, Rotating platform anti-slip plate 332, Dustproof cloth 333, Counterweight 34, Counterweight frame 341, Counterweight block 342, Limiting plate 343, Limiting cam 35, Control unit 4, Controller 41, Cam limit switch 42, Shaft limit switch 43. Detailed Implementation

[0031] The technical solutions of this patent embodiment will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this patent, and not all of them. Based on the embodiments of this patent, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this patent.

[0032] Example 1: This example is applicable to situations where there is sufficient space below the landing door.

[0033] Reference Figure 1-7This invention discloses a tilting platform for a inclined elevator landing door, comprising a drive unit 1, a fixing unit 2, a rotating unit 3, and a control unit 4. The drive unit 1 includes a cylinder 11, a piston 12, and a hinge 13. The piston 12 is slidably mounted in the cylinder 11, and the hinge 13 is disposed at the end of the piston 12. The fixing unit 2 includes a fixing frame 21, a bearing seat 22, and a fixing platform 23. The cylinder 11 is rotatably mounted on the fixing frame 21. The rotating unit 3 includes a rotating frame 31, a tilting shaft 32, and a rotating platform 33. The rotating platform 33 is fixedly connected to the rotating frame 31. The rotating frame 31 includes a crossbeam 311 and a column 312. A pivot hole 31 is provided at the lower end of the column 312. 21; The tilting shaft 32 passes through the rotating shaft hole 3121, and the two bearing seats 22 are respectively sleeved on both ends of the tilting shaft 32. The column 312, the tilting shaft 32, and the bearing seats 22 are symmetrically arranged on both sides of the drive unit 1; the two ends of the multiple crossbeams 311 are respectively fixedly connected to the two columns 312; a hinge seat 3111 is provided on one of the crossbeams 311; the hinge 13 is rotatably connected to the hinge seat 3111; the control unit 4 includes a controller 41; the controller 41 is electrically connected to the cylinder 11; the rotating unit 3 also includes a counterweight 34; the counterweight 34 includes a counterweight frame 341 and a counterweight block 342; the counterweight frame 341 is arranged at the lower end of the rotating frame 31; multiple counterweight blocks 342... 42 is placed inside the counterweight frame 341; the counterweight 34 also includes a limiting plate 343; the counterweight frame 341 is a sheet metal part with a C-shaped cross section, and a reinforcing rib 3411 is provided in the middle of the counterweight frame 341; multiple counterweight blocks 342 are vertically clamped inside the counterweight frame 341; four limiting plates 343 are respectively installed on the inner sides of both ends of the counterweight frame 341; the fixing frame 21 includes a ground connecting frame 211, a vertical support 212, a diagonal support 213 and a bearing seat support column 214; a cylinder connecting plate 2111 is provided on the ground connecting frame 211; the cylinder 11 is fixedly connected to the cylinder connecting plate 2111; the lower ends of the vertical support 212, the diagonal support 213 and the bearing seat support column 214 are fixedly connected to the ground connecting frame 211. The upper ends of the upright support 212 and the diagonal support 213 are connected to the fixed platform 23; the four bearing seats 22 are respectively fixedly connected to the two bearing seat pillars 214; the fixed frame 21 also includes a fixed limiting block 215; the rotating unit 3 also includes a limiting cam 35; the control unit 4 also includes a cam limiting switch 42; the fixed limiting block 215 is installed on the side of the bearing seat pillar 214; the two limiting cams 35 are respectively concentrically fixedly installed on the outer ends of the two flip shafts 32; the two cam limiting switches 42 are respectively installed on the outer end faces of the two outer bearing seats 22; the flip shaft 32 is keyed to the rotating shaft hole 3121; the cam limiting switch 42 is electrically connected to the controller 41;

[0034] The ground connection frame 211 is fixed to the ground with expansion bolts. The cylinder 11 is rotatably mounted on the cylinder connection plate 2111. The upright support 212 and the diagonal support 213 are distributed on both sides of the drive unit 1. The lower end is fixedly connected to the ground connection frame 211 with bolts, and the upper end supports the fixed platform 23, so that the fixed platform 23 is stably erected above the drive unit 1. The surface of the fixed platform 23 is the ground sill plane, which is also the passenger standing surface.

[0035] The elevator landing door is mounted on the rotating frame 31. Both the crossbeam 311 and the column 312 are made of aluminum profiles. The aluminum profiles are lightweight, which reduces the torque at the upper end of the tilting shaft 32 and reduces the torque requirement on the drive unit 1, thereby reducing the size of the drive unit 1 and saving space. At the same time, the grooves on the surface of the aluminum profiles facilitate the vertical adjustment of the landing door height. The lower surface of the rotating platform 33 is provided with a bent profile to ensure strength. The profile has connecting holes, through which the rotating platform 33 is connected to the left and right columns 312. The rotating platform 33 is also connected to the counterweight frame 341 by a bracket to enhance stability.

[0036] When the elevator is in a level position, the piston 12 retracts, pulling the counterweight frame 341 through the hinge 13, making the rotating frame 31 vertical. At this time, the rotating platform 33 is horizontal, and the rotating platform 33 and the fixed platform 23 are on the same horizontal plane and maintain a certain gap. The gap width is 5mm. When passengers enter and exit the car, there is no height difference when stepping on the rotating platform 33 and the fixed platform 23. The small gap does not pose a safety hazard to passengers.

[0037] At this time, the limit cam 35 passes through a cam limit switch 42 and transmits an electrical signal to the controller 41. After processing the information, the controller 41 controls the drive unit 1 to stop retracting and keep the door vertical. At the same time, there is a theoretical gap of 5mm between the counterweight frame 341 and the bearing seat support 214. With a certain amount of buffer, the excessive rotation of the rotating frame 31 can be limited from a mechanical perspective, providing safety redundancy in case of electrical system failure.

[0038] When the car is ready to run, the landing door closes, and the controller 41 operates the drive unit 1, causing the piston 12 to extend. The cylinder 11 rotates around its fixed point, while the hinge 13 rotates, pushing the counterweight frame 341, causing the rotating frame 31 to rotate around the tilting shaft 32. The tilting shaft 32 is connected to the rotating shaft hole 3121 by a key, and the limiting cam 35 is fixed to the outer end face of the tilting shaft 32 by two screws, ensuring that the rotation angles of the rotating frame 31, the tilting shaft 32, and the limiting cam 35 are consistent. The rotating platform 33 rotates with the rotating frame 31, and due to the gap, there is no interference between it and the fixed platform 23.

[0039] When the rotating unit 3 rotates to the predetermined angle, the limit cam 35 at the other end hits another cam limit switch 42, transmitting an electrical signal to the controller 41. The controller 41 controls the drive unit 1, the piston 12 stops extending, and the rotating frame 31 drives the landing door to stop rotating. At the same time, a 5mm gap is left between the column 312 and the fixed limit block 215 to mechanically limit the excessive rotation of the rotating frame 31 and provide safety redundancy in case of electrical system failure. The fixed limit block 215 is connected to the bearing seat support column 214 through a strip hole, and the installation height can be finely adjusted up and down to ensure that the gap between it and the column 312 is appropriate when it is rotated to the correct position.

[0040] Reference Figure 8 The rotation limit can also be achieved through the limit groove 216 and the limit shaft 313. When the rotating frame 31 rotates, the limit shaft 216 rotates with the column 312 around the flip shaft 32 and slides in the limit groove 313. The opening of the limit groove 313 is slightly larger than the sliding range of the limit shaft 216, leaving a certain margin when the limit shaft 216 slides to the end point. At the same time, it can limit the limit shaft 216 from sliding out and limit the excessive rotation of the rotating frame 31. The two ends of the limit shaft 216 have flat surfaces to facilitate triggering the shaft limit switch 43. When the shaft limit switch 43 is triggered, it transmits an electrical signal to the controller 41 to control the drive unit 1 to stop its operation.

[0041] Reference Figure 8 The rotating platform 33 has a chamfered edge 331, and the fixed platform 23 has a chamfered edge 231. By staggering the chamfers, the gap between the rotating platform 33 and the fixed platform 23 can be further reduced to 1mm, improving safety and aesthetics. The rotating platform 33 and the fixed platform 23 are covered with anti-slip plates 332, which can further ensure passenger safety in outdoor environments. The gap between the rotating platform 33 and the fixed platform 23 can reach about 150mm when the landing door is tilted. At this time, dust, rainwater, garbage and other debris can easily slide into the working space of the drive unit 1 through the gap, causing the drive unit 1 to jam or short-circuit. Therefore, a dustproof cloth 333 is also connected between the rotating platform 33 and the fixed platform 23, which can effectively protect the drive unit 1.

[0042] Example 2: This example is applicable to situations where there is sufficient space above the door.

[0043] Reference Figure 9-10The fixed frame 21 is connected to the ceiling by screws, suspending the drive unit 1 above the door opening height; a crossbeam 311 is set at the installation height of the landing door motor, on which a hinge seat 3111 is set. The hinge 13 rotates in the hinge seat 3111. When the piston 12 extends or retracts, it pushes and pulls the crossbeam 311, causing the rotating frame 31 to pitch and rotate; since the distance between the hinge seat 3111 and the flip shaft 32 is large, the drive unit 1 can output sufficient torque by applying a small force. Correspondingly, the piston stroke of this scheme is much greater than that of the scheme with the drive unit positioned below.

[0044] The design still requires a space of approximately 150mm below the sill plane to accommodate structures such as the bearing seat 22. The bearing seat 22 is fixed to the ground with expansion bolts. The rotating frame 31 also includes a vertical limiting block 314 and an angle limiting block 315. The two vertical limiting blocks 314 are fixedly connected to the lowest crossbeam 311, and the two angle limiting blocks 315 are fixedly connected to the lower ends of the two columns 312 respectively. Both the vertical limiting block 314 and the angle limiting block 315 are installed with strip-shaped holes, allowing for slight height adjustments. When the rotating frame 31 is vertical, there is a theoretical gap of 5mm between the bottom surface of the vertical limiting block 314 and the ground. When the rotating frame 31 is rotated to a predetermined angle, there is a theoretical gap of 5mm between the bottom surface of the angle limiting block 315 and the ground.

[0045] This flipping platform enables automatic tilt adjustment of the landing doors, allowing them to avoid the car doors during operation and to remain vertical when level, enabling passengers to enter and exit smoothly and ride the inclined elevator.

[0046] It should be noted that the device structure and accompanying drawings of this patent mainly describe the principle of this patent. In terms of the technical aspects of this design principle, the setting of the device's power mechanism, power supply system and control system is not fully described. However, those skilled in the art who understand the principle of the above patent can clearly understand the specifics of its power mechanism, power supply system and control system.

[0047] In the description of this patent, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "other end," "upper," "side," "top," "inner," "front," "center," and "both ends," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this patent and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. At the same time, unless otherwise expressly specified and limited, the terms "set," "install," "connect," and "fixed installation," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two elements or the interaction relationship between two elements. Unless otherwise expressly limited, those skilled in the art can understand the specific meaning of the above terms in this patent according to the specific circumstances.

[0048] Although embodiments of this patent have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of this patent, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A tilting platform for the landing doors of a slanted elevator, characterized in that: The system includes a drive unit (1), a fixing unit (2), a rotating unit (3), and a control unit (4). The drive unit (1) includes a cylinder (11), a piston (12), and a hinge (13). The piston (12) is slidably mounted in the cylinder (11), and the hinge (13) is located at the end of the piston (12). The fixing unit (2) includes a fixing frame (21), a bearing seat (22), and a fixing platform (23). The cylinder (11) is rotatably mounted on the fixing frame (21). The rotating unit (3) includes a rotating frame (31), a tilting shaft (32), and a rotating platform (33). The rotating platform (33) is fixedly connected to the rotating frame (31). The rotating frame (31) includes a crossbeam ( 311) and column (312); the lower end of the column (312) is provided with a rotating shaft hole (3121); the rotating shaft (32) passes through the rotating shaft hole (3121), and two bearing seats (22) are respectively sleeved on both ends of the rotating shaft (32). The column (312), rotating shaft (32) and bearing seats (22) are symmetrically arranged on both sides of the drive unit (1); the two ends of multiple crossbeams (311) are respectively fixedly connected to two columns (312); a hinge seat (3111) is provided on one of the crossbeams (311); the hinge (13) is rotatably connected to the hinge seat (3111); the control unit (4) includes a controller (41); the controller (41) is electrically connected to the cylinder (11).

2. The inclined elevator landing door tilting platform according to claim 1, characterized in that: The rotating unit (3) also includes a counterweight (34); the counterweight (34) includes a counterweight frame (341) and counterweight blocks (342); the counterweight frame (341) is located at the lower end of the rotating frame (31); and a plurality of counterweight blocks (342) are placed inside the counterweight frame (341).

3. The inclined elevator landing door tilting platform according to claim 2, characterized in that: The counterweight (34) also includes a limiting plate (343); the counterweight frame (341) is a sheet metal part with a C-shaped cross section, and a reinforcing rib (3411) is provided in the middle of the counterweight frame (341); multiple counterweight blocks (342) are vertically clamped in the counterweight frame (341); and four limiting plates (343) are respectively installed on the inner sides of both ends of the counterweight frame (341).

4. The inclined elevator landing door tilting platform according to claim 1, characterized in that: The fixed frame (21) includes a ground connecting frame (211), a vertical support (212), a diagonal support (213), and a bearing seat support column (214); a cylinder connecting plate (2111) is provided on the ground connecting frame (211); the cylinder (11) is fixedly connected to the cylinder connecting plate (2111); the lower ends of the vertical support (212), the diagonal support (213), and the bearing seat support column (214) are fixedly connected to the ground connecting frame (211), and the upper ends of the vertical support (212) and the diagonal support (213) are connected to the fixed platform (23); the four bearing seats (22) are fixedly connected to the two bearing seat support columns (214) respectively.

5. The inclined elevator landing door tilting platform according to claim 4, characterized in that: The fixed frame (21) also includes a fixed limiting block (215); the rotating unit (3) also includes a limiting cam (35); the control unit (4) also includes a cam limiting switch (42); the fixed limiting block (215) is installed on the side of the bearing seat support (214); the two limiting cams (35) are respectively concentrically fixedly installed on the outer ends of the two flip shafts (32); the two cam limiting switches (42) are respectively installed on the outer end faces of the two outer bearing seats (22); the flip shaft (32) is keyed to the rotating shaft hole (3121); the cam limiting switch (42) is electrically connected to the controller (41).

6. The inclined elevator landing door tilting platform according to claim 4, characterized in that: The fixed frame (21) also includes a limiting groove (216); the rotating frame (31) also includes a limiting shaft (313); the control unit (4) also includes a shaft limiting switch (43); two sets of the limiting grooves (216) are mirror-symmetrically installed on the side of the bearing seat support (214); the two limiting shafts (313) are respectively fixed at the lower ends of the two columns (312), and the limiting shafts (313) are slidably installed in the limiting grooves (216); the two shaft limiting switches (43) are installed on the side of one of the limiting grooves (216); the shaft limiting switch (43) is electrically connected to the controller (41).

7. The inclined elevator landing door tilting platform according to claim 1, characterized in that: The rotating platform (33) has a positive chamfer (331) on its edge; the fixed platform (23) has a negative chamfer (231) on its edge.

8. A tilting elevator landing door reversing platform according to claim 7, characterized in that: The surface of the rotating platform (33) is covered with a rotating platform anti-slip plate (332); the surface of the fixed platform (23) is covered with a fixed platform anti-slip plate (232).

9. A tilting elevator landing door reversing platform according to claim 8, characterized in that: A dustproof cloth (333) is connected between the rotating platform (33) and the fixed platform (23).

10. A tilting elevator landing door reversing platform according to claim 1, characterized in that: The rotating frame (31) also includes a vertical limiting block (314) and an tilting limiting block (315); the two vertical limiting blocks (314) are fixedly connected to the lowest crossbeam (311); the two tilting limiting blocks (315) are fixedly connected to the lower ends of the two columns (312) respectively.

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