CN211470486U - Landing door and elevator - Google Patents

Abstract

The utility model belongs to the technical field of jacking equipment, a landing door is disclosed, include: the supporting frame is arranged on a floor; the two groups of door frames are arranged on the support frame at intervals in parallel; the two ends of the door leaf stop beam are respectively connected with the two groups of door frames; the rotating shaft of the door leaf is rotationally connected to the door leaf stop beam; the interlocking mechanism comprises a limiting block, a limiting collision rod and a rotating shaft, wherein the limiting block is connected to the door frames, two ends of the rotating shaft are respectively connected to the two groups of door frames in a rotating mode, one end of the limiting collision rod is connected to the rotating shaft, the other end of the limiting collision rod is configured to be capable of touching the car, and the limiting collision rod is configured to be capable of abutting against the limiting block; and a door lintel connected to the rotation shaft, the door lintel being configured to be able to abut against the door leaf. The landing door can be kept closed when the car is not parked in place, the safety of the landing door is improved, the car of the elevator can be stopped at a position needing to be parked accurately, and the occurrence of a break between the car and a floor is avoided.

Description

Landing door and elevator

Technical Field

The utility model relates to a jacking equipment technical field especially relates to a landing door and lift.

Background

Industrial elevators are elevators designed specifically for use in industrial environments and primarily serve to transport personnel, equipment and materials. The rack and pinion type industrial elevator has strong adaptability to severe industrial environment, can be customized for customers, and can meet special requirements of various occasions. The industrial elevator is widely applied to the fields of bridges, tunnels, mining, steel, buildings and the like.

The industrial elevator mainly comprises a bottom fence, a car, a guide rail frame, a landing door, a driving unit, an electrical control system, a cable guide system and the like, is usually matched with a tower crane for use, and generally has the load capacity of 300kg-3600kg and the running speed of 1m/min-96 m/min.

Among them, the landing door is an indispensable important component of the industrial elevator which plays a role of safety. At present, the landing door is not linked with the car, the landing door can be opened without stopping the car in place, and danger is easy to occur if people construct nearby the landing door. Moreover, the existing industrial elevator is usually controlled by manual operation to stop the car at a floor to be stopped, so that the stopping position is very easy to be inaccurate when the elevator ascends, the car and the floor to be stopped are disconnected, the unloading is difficult, and people are easy to trip over when entering and exiting the car to cause danger.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a landing door, this landing door not only can not stop when target in place at the car and keep closing, improves the security of this landing door, still helps making the car accuracy of lift stop at the position that needs to stop, avoids appearing the discrepancy between car and the floor.

To achieve the purpose, the utility model adopts the following technical proposal:

a landing door, comprising:

the supporting frame is arranged on a floor;

the door frame comprises a first door frame and a second door frame, and the first door frame and the second door frame are parallelly installed on the supporting frame at intervals;

the two ends of the door leaf stop beam are respectively connected with the first door frame and the second door frame;

the rotating shaft of the door leaf is rotatably connected to the door leaf stop beam;

the interlocking mechanism comprises a limiting block, a limiting collision rod and a rotating shaft, wherein the limiting block is connected to the first door frame, two ends of the rotating shaft are respectively and rotatably connected to the first door frame and the second door frame, one end of the limiting collision rod is connected to the rotating shaft, the other end of the limiting collision rod is configured to be capable of contacting with a car, and the limiting collision rod is configured to be capable of abutting against the limiting block;

a door lintel connected to the rotation shaft, the door lintel being configured to be able to abut against the door leaf.

Preferably, the safety protection device further comprises a power-off mechanism, one end of the power-off mechanism is connected to the limit latch rod, and the other end of the power-off mechanism is used for connecting or disconnecting an external circuit switch.

Preferably, the power-off mechanism comprises a rocker and a rotating shaft, one end of the rocker is connected with the input end of the rotating shaft, the other end of the rocker is connected with the limiting touch rod, and the output end of the rotating shaft is connected with the external circuit switch.

Preferably, the power-off mechanism further comprises a sliding groove plate and a swing shaft, the sliding groove plate is connected to the limit collision rod, one end of the swing shaft is connected to the rocker, and the other end of the swing shaft is connected to the sliding groove plate in a sliding mode.

Preferably, the power-off mechanism further comprises a roller, the roller is mounted at one end of the swing shaft connected with the sliding groove plate, and the swing shaft is connected in the sliding groove plate in a sliding mode through the roller.

Preferably, the power-off mechanism further comprises a reinforcing frame, and the reinforcing frame is connected to the limit latch rod, the rotating shaft and the chute plate and is used for reinforcing the connection strength of the power-off mechanism and the interlocking mechanism.

Preferably, the elevator further comprises a floor call box, wherein the floor call box is installed on the door frame and used for calling the car of the elevator to stop.

Preferably, the floor support further comprises a skirting board, and the skirting board is mounted on the support frame and used for protecting the floor wall surface.

Another object of the utility model is to provide a lift, this lift can guarantee that only the landing door can be opened when the car of lift stops to predetermineeing the position, can improve the safety in utilization of this lift.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an elevator comprising the landing door described in the above-described aspect.

Preferably, still include the car and bump the iron, the car bumps the iron and installs on the car of lift, the car bumps the iron and is used for colliding spacing bumping pole makes spacing bumping pole disconnection with the butt of stopper.

The utility model has the advantages that:

the utility model provides a landing door, be equipped with interlocking device on this landing door's door leaf fender beam, interlocking device's stopper is connected on the door frame, interlocking device's spacing rod of colliding one end is passed through the axis of rotation and is rotated and be connected on the door frame, the other end is configured to and can be touched the car, spacing rod of colliding can support in the stopper, the lintel of landing door is connected in the axis of rotation, when spacing rod of colliding supports on the stopper, the lintel can block the opening of the door leaf of connecting on the door frame, make this landing door keep the closed condition, prevent to take place danger because of landing door opens; when the car moves to the stop position of the landing door, the car collides with the limit collision rod, the limit collision rod is separated from the limit contact, so that the lintel loses the blocking effect on the door leaf, an operator can push the door leaf to open and get in and out of the car of the elevator, and the car and the limit collision rod are also beneficial to the car to stop to a specified position, thereby being beneficial to avoiding the fault between the edge of the car and the floor to be stopped, and facilitating the people to get in and out of the car. The utility model also provides a lift, this lift owing to adopted above-mentioned technical scheme's landing door, has guaranteed only that the landing door can open when the car stops to target in place, has improved the security of this lift.

Drawings

Fig. 1 is a schematic perspective view of a landing door according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a landing door and a car colliding with each other according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of an interlocking mechanism of a landing door according to an embodiment of the present invention;

fig. 4 is a schematic perspective view of an elevator according to an embodiment of the present invention.

In the figure:

1. a support frame; 2. a door frame; 21. a first door frame; 22. a second door frame; 3. a door leaf stop beam; 4. a door leaf; 41. a first door leaf; 42. a second door leaf; 5. an interlock mechanism; 51. a limiting block; 52. a limit collision rod; 53. a rotating shaft; 6. a door lintel; 7. a power-off mechanism; 71. an external circuit switch; 72. a rocker; 73. a rotating shaft; 74. a chute plate; 75. a pendulum shaft; 76. a roller; 77. a reinforcing frame; 8. a floor call box; 9. skirting boards; 100. a car; 101. a landing door; 102. the car bumps the iron.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the following will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention will be described below by way of specific embodiments with reference to the accompanying drawings.

The utility model provides a landing door, this landing door is as elevator landing door, as shown in fig. 1, this landing door includes support frame 1, door frame 2, door leaf fender beam 3, door leaf 4 and lintel 6, support frame 1 installs on the floor, door frame 2 includes first door frame 21 and second door frame 22, the parallel interval of first door frame 21 and second door frame 22 is installed on support frame 1, the both ends that door leaf fender beam 3 connects respectively on first door frame 21 and second door frame 22, the pivot of door leaf 4 is rotated and is connected on door leaf fender beam 3, lintel 6 rotates and connects on first door frame 21 and second door frame 22, and can butt in door leaf 4. Preferably, both ends of the door stop beam 3 are respectively connected to the first door frame 21 and the second door frame 22 through bolts, so that the door stop beam 3 and the door frame 2 are convenient to assemble and disassemble. More preferably, the door leaf 4 includes a first door leaf 41 and a second door leaf 42, the first door leaf 41 is rotatably connected to the first door frame 21, the second door leaf 42 is rotatably connected to the second door frame 22, and the first door leaf 41 and the second door leaf 42 can completely close the space between the first door frame 21 and the second door frame 22.

As shown in fig. 2, the landing door preferably further includes an interlock mechanism 5, and the interlock mechanism 5 can keep the lintel 6 in a normally closed state, keep pressing contact with the door 4, prevent the door 4 from being pushed open, keep the landing door in a closed state, and prevent danger from occurring due to the landing door being opened. As shown in fig. 3, in the present embodiment, the interlocking mechanism 5 includes a limit block 51 and a limit latch 52, the limit block 51 is fixedly connected to the first door frame 21, one end of the limit latch 52 is rotatably connected to the first door frame 21 and the second door frame 22, the other end is configured to be able to touch the car 100, and the limit stop lever 52 is configured to be capable of abutting against the limit stop 51, the door lintel 6 is connected to the limit stop lever 52 and is rotatably connected to one end of the first door frame 21 and the second door frame 22, when the limit stop lever 52 abuts against the limit stop 51, the lintel 6 is pressed against the door 4 by the limit stop lever 52, the door 4 can be prevented from being opened, when the car 100 is not stopped at a preset position (namely the limit stop rod 52 is not collided and is not in contact with the limit block 51), the door leaf 4 can be kept in a closed state all the time, so that the landing door is kept in a closed state, and the danger caused by the opening of the landing door is prevented; meanwhile, the collision between the car 100 and the limit collision rod 52 also helps to force the car 100 to stop at a specified position, so that the occurrence of a break between the bottom layer of the car 100 and a floor to be stopped can be avoided, and people can conveniently get in and out of the car 100.

Preferably, the interlock mechanism 5 further includes a rotation shaft 53, both ends of the rotation shaft 53 are rotatably connected to the first door frame 21 and the second door frame 22, respectively, and the limit collision bar 52 is connected to the rotation shaft 53 and rotatably connected to the first door frame 21 and the second door frame 22 through the rotation shaft 53, such that one end of the limit collision bar 52 can smoothly rotate with respect to the door frame 2. More preferably, the limit latch 52 is connected to the rotating shaft 53 by welding, and the welding can secure the connection between the limit latch 52 and the rotating shaft 53, and prevent disconnection, thereby prolonging the service life of the interlock mechanism 5.

In this embodiment, the landing door further includes a power cutoff mechanism 7, and one end of the power cutoff mechanism 7 is connected to the limit latch 52 and the other end is connected to an external circuit switch 71 for connecting or disconnecting the external circuit switch 71. When the car 100 reaches the preset position and collides with the limit collision rod 52, the limit collision rod 52 drives the power-off mechanism 7 to act to disconnect the external circuit switch 71, so that the elevator is disconnected from the external circuit, the elevator cannot run, and the safety of personnel entering and exiting the car 100 can be ensured. Preferably, the power cut-off mechanism 7 includes a rocker 72 and a rotating shaft 73, one end of the rocker 72 is connected to the input end of the rotating shaft 73, the other end of the rocker 72 is connected to the limit touch rod 52, and the output end of the rotating shaft 73 is connected to the external circuit switch 71, so that the power cut-off mechanism 7 can be driven by the limit touch rod 52 to connect or disconnect the external circuit switch 71. More preferably, the power cut-off mechanism 7 further includes a sliding groove plate 74 and a swing shaft 75, the sliding groove plate 74 is connected to the limit touch rod 52, one end of the swing shaft 75 is connected to the rocker 72, and the other end is slidably connected to the sliding groove plate 74, so that the limit touch rod 52 can smoothly drive the rocker 72 to swing.

Further, the power cut-off mechanism 7 further includes a roller 76, the roller 76 is mounted at one end of the swing shaft 75 connected to the chute plate 74, and the swing shaft 75 is slidably connected to the chute plate 74 through the roller 76. Specifically, the chute plate 74 is provided with a chute, and the roller 76 is connected in the chute, so that the roller 76 can slide along the chute, and the chute plate 74 can smoothly force the roller 76 to act, thereby reducing the resistance to the relative movement of the two. In this embodiment, the power cutoff mechanism 7 further includes a reinforcing frame 77, and the reinforcing frame 77 is connected to the limit latch 52, the rotating shaft 53, and the chute plate 74, so that the connection strength between the power cutoff mechanism 7 and the interlock mechanism 5 can be enhanced. Preferably, the reinforcing frame 77 is connected to the limit latch 52, the rotating shaft 53 and the chute plate 74 by welding, so that the reinforcing frame 77 is firmly connected to the limit latch 52, the rotating shaft 53 and the chute plate 74, and the service life of the power-off mechanism 7 is long.

Preferably, the landing door further comprises a floor call box 8, the floor call box 8 being mounted on the first door frame 21 for calling the car 100 of the elevator to stop to the floor on which the floor call box 8 is located. In this embodiment, the installation height of the floor call box 8 is set to be 1.1m-1.3m, preferably, the installation height of the floor call box 8 is 1.2m, which is convenient for the operator to use the floor call box 8, and it can be understood that the installation height of the floor call box 8 can be selected by those skilled in the art according to actual situations. Preferably, this landing door still includes skirting board 9, and skirting board 9 is installed on support frame 1 for the protection floor wall prevents that personnel from causing the clashing at to the floor wall when passing in and out car 100.

As shown in fig. 4, the utility model provides a lift, this lift includes the landing door 101 among the above-mentioned technical scheme, can guarantee that only can the landing door 101 open when the car 100 of lift stops to preset position, has improved the safety in utilization of this lift. Preferably, the elevator further includes a car latch 102, and the car latch 102 is attached to an outer wall of the car 100 of the elevator and is provided to be capable of colliding with the limit latch 52 and causing the limit latch 52 to be separated from the stopper 51.

The following describes the operation of the landing door and the elevator according to the embodiments of the present invention.

Firstly, a person on the floor calls the elevator through the floor calling box 8, when a car 100 of the elevator runs to a landing door 101 of the floor, a car touching iron 102 on the outer wall of the car 100 collides with the limit touching rod 52, so that the car 100 is helped to stop at a position required to stop on one hand, the bottom of the car 100 is flush with the ground of the floor required to stop to prevent the occurrence of a fault, on the other hand, the limit touching rod 52 is separated from abutting with the limit block 51 to enable the lintel 6 to lose the blocking effect on the door leaf 4, a worker in the car 100 opens the car 100 door to disconnect an internal circuit switch of the car 100, the worker pushes the door leaf 4 to enable the door leaf 4 to push the door leaf 6 to rotate so as to open the landing door 101, meanwhile, the power-off mechanism 7 cuts off the external circuit switch 71 due to the rotation of the lintel 6, the elevator is disconnected from an external power supply, and the elevator cannot, the personnel on the floor enter the car 100, then the staff closes the door leaf 4, and the lintel 6 rotates because of self gravity and makes the outage mechanism 7 communicate the external circuit switch 71, and the staff closes the car 100 door and then switches on the car 100 internal circuit switch, sends the personnel of taking to other floors.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A landing door, comprising:

the support frame (1), the said support frame (1) is installed on floor;

the door frame (2), the door frame (2) includes a first door frame (21) and a second door frame (22), the first door frame (21) and the second door frame (22) are installed on the support frame (1) in parallel at intervals;

the two ends of the door leaf stop beam (3) are respectively connected to the first door frame (21) and the second door frame (22);

the rotating shaft of the door leaf (4) is rotatably connected to the door leaf stop beam (3);

an interlocking mechanism (5) comprising a limit block (51), a limit latch lever (52) and a rotating shaft (53), wherein the limit block (51) is connected to the first door frame (21), two ends of the rotating shaft (53) are respectively and rotatably connected to the first door frame (21) and the second door frame (22), one end of the limit latch lever (52) is connected to the rotating shaft (53), the other end of the limit latch lever (52) is configured to be capable of touching a car (100), and the limit latch lever (52) is configured to be capable of touching the limit block (51);

a door lintel (6), the door lintel (6) being connected to the rotation axis (53), the door lintel (6) being configured to be able to abut against the door leaf (4).

2. Landing door according to claim 1, characterized in that it further comprises a power-off mechanism (7), one end of the power-off mechanism (7) being connected to the limit striker (52), the other end of the power-off mechanism (7) being used to connect or disconnect an external circuit switch (71).

3. Landing door according to claim 2, characterized in that the power-off mechanism (7) comprises a rocker (72) and a shaft (73), one end of the rocker (72) is connected to an input of the shaft (73), the other end of the rocker (72) is connected to the limit stop lever (52), and an output of the shaft (73) is connected to the external circuit switch (71).

4. Landing door according to claim 3, characterized in that the power-off mechanism (7) further comprises a chute plate (74) and a rocker shaft (75), the chute plate (74) being connected to the limit latch bar (52), one end of the rocker shaft (75) being connected to the rocker (72), the other end of the rocker shaft (75) being slidably connected to the chute plate (74).

5. Landing door according to claim 4, characterized in that the power-off mechanism (7) further comprises a roller (76), the roller (76) being mounted at the end of the rocker shaft (75) connected to the chute plate (74), the rocker shaft (75) being slidably connected within the chute plate (74) by the roller (76).

6. Landing door according to claim 5, characterized in that the power-off mechanism (7) further comprises a reinforcing frame (77), which reinforcing frame (77) is connected to the limit catch lever (52), the rotation shaft (53) and the chute plate (74) for reinforcing the strength of the connection of the power-off mechanism (7) and the interlocking mechanism (5).

7. Landing door according to claim 1, characterized in that it further comprises a floor call box (8), which floor call box (8) is mounted on the door frame (2) for calling the car (100) of the elevator to stop.

8. Landing door according to claim 1, further comprising a skirting board (9), the skirting board (9) being mounted on the support frame (1) for protecting the floor wall.

9. An elevator, characterized by comprising a landing door (101) according to any of claims 1-8.

10. The elevator of claim 9, further comprising a car latch (102), the car latch (102) being mounted to a car (100) of the elevator, the car latch (102) being configured to collide with the limit latch lever (52) to disengage the limit latch lever (52) from abutment with the limit block (51).

Images