CN217437453U

CN217437453U - Elevator control emergency braking mechanism

Info

Publication number: CN217437453U
Application number: CN202220183312.0U
Authority: CN
Inventors: 潘红英
Original assignee: East China Jiaotong University
Current assignee: East China Jiaotong University
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-09-16
Anticipated expiration: 2032-01-24

Abstract

The utility model relates to an elevator control emergency braking mechanism, including elevator lift storehouse, elevator lift storehouse's inside fixed mounting has emergency braking device, emergency braking device's bottom fixed mounting has the bottom plate, two the equal fixed mounting in relative one side of bottom plate has a frame plate, two the equal fixed mounting in relative one side of frame plate has a first slide rail, the left side fixed mounting of frame plate has the pulley, pulley movable mounting has the haulage rope, the bottom fixedly connected with elevator of haulage rope. This elevator control emergency braking mechanism, through setting up the bottom plate, when blocking the elevator that the stick blocked decline rapidly, be fixed with the spring on bottom plate bottom fixed connection's the mount and play the bradyseism effect, the effort is too big when can not making the elevator descend with the bottom plate rupture or lead to the bottom plate to drop, has improved the reliability of elevator, can play emergency braking effect under the special circumstances such as elevator power failure or controller failure, further guarantees the safety of elevator.

Description

Elevator control emergency braking mechanism

Technical Field

The utility model relates to an elevator emergency braking mechanism technical field specifically is an elevator control emergency braking mechanism.

Background

As a vertical transportation vehicle, an elevator plays an irreplaceable role in daily life and work, and as a product of electromechanical integration, the elevator has a very complex structure, and the safety factor is far greater than that of other electrical products, however, even so, elevator equipment still has many safety problems, and the existing elevator generally has a standby emergency braking system, but the emergency braking system of the existing elevator is generally electrically controlled, and in an extreme case: if the elevator is powered off, the standby power supply fails, and the controller is damaged, the normal work of the emergency braking system cannot be guaranteed, and certain potential safety hazards still exist.

The common elevator emergency braking device can not play an emergency braking role in the process of accelerating the falling of the elevator in the stalling process, thereby reducing the reliability of the elevator, and can not play an emergency braking role in the special situations of elevator power failure or controller failure and the like, further ensuring the safety of the elevator, and therefore, the elevator control emergency braking mechanism is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides an elevator control emergency braking mechanism possesses elevator security performance advantage such as higher, has solved ordinary elevator emergency braking device and can not play emergency braking effect at elevator stall decline in-process with higher speed, has reduced the reliability of elevator, can not play emergency braking effect's problem under the special circumstances such as elevator has a power failure or controller inefficacy.

In order to achieve the above purpose, the utility model provides a following technical scheme: an emergency braking mechanism for elevator control comprises an elevator lifting bin, wherein an emergency braking device is fixedly mounted inside the elevator lifting bin, bottom plates are fixedly mounted at the bottom of the emergency braking device, framework plates are fixedly mounted on opposite sides of the two bottom plates, first sliding rails are fixedly mounted on opposite sides of the two framework plates, pulleys are fixedly mounted on the left sides of the framework plates, traction ropes are movably mounted on the pulleys, and an elevator is fixedly connected to the bottoms of the traction ropes;

the emergency braking device comprises a first fixing block and two blocking rods fixedly connected to one side of the first fixing block, the other side of the first fixing block is fixedly connected with the blocking rods, a second sliding rail is fixedly mounted at the top of the first fixing block, a sliding block is fixedly mounted at the top of the second sliding rail, a second fixing block is fixedly mounted at the bottom of the elevator, a supporting frame is fixedly mounted at the bottom of the second fixing block, a friction plate is fixedly mounted at the bottom of the supporting frame, two friction plates are fixedly connected to a first electric push rod on one side relative to the first electric push rod, fixing rods are fixedly connected to the tops of the friction plates, supporting blocks are fixedly connected to the left side and the right side of the elevator, and second electric push rods are fixedly mounted inside the supporting blocks.

Further, the spring has been cup jointed to second electric putter's surface, and two second electric putter's the equal fixed mounting in one side of carrying on the back of the body has the support column.

Furthermore, the first electric push rod friction plate, the support frame, the second fixing block and the fixing rod are installed in an up-down symmetrical mode of the elevator.

Further, the top of the blocking rod is fixedly connected with an iron ball, the bottom of the blocking rod is connected with one side of the two first fixing blocks, which is back to back, through a screw, the middle of the blocking rod is connected with a connecting clamp through a screw, and the connecting clamp is fixed on one side of the two sliding blocks, which is back to back, through the screw.

Further, the method comprises the following steps: two the equal fixed mounting in the bottom left and right sides of bottom plate has the supporting seat, and the top fixed mounting of supporting seat has the bumping post.

Furthermore, two the equal fixed mounting of the back of the body side of friction plate has the rubber friction pad, and the dead lever is folding rod.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

the elevator control emergency braking mechanism is characterized in that a first sliding rail is arranged, an elevator moves along the first sliding rail in the lifting process, when an accident happens, a friction plate generates a reaction force on the first sliding rail to reduce the descending speed of the elevator, a first electric push rod is started to increase the distance between the two friction plates and further increase the friction force between the two friction plates and the first sliding rail, a support block is arranged, the second electric push rod pushes out a support plate sleeved in the support block when the elevator descends rapidly, the support plate drives a sliding block to move up and down on the second sliding rail to enable a blocking rod fixedly connected to move right to block the support block when descending, the elevator stops descending, a traction rope drives the elevator to ascend and descend through the pulley to reduce the descending speed of the elevator, after the elevator is blocked, a worker pulls the traction rope upwards to lift the elevator, and when the blocking rod blocks the elevator descending rapidly, the spring is fixed on the fixing frame fixedly connected with the bottom of the bottom plate to play a role in cushioning, so that the bottom plate is broken or falls off due to overlarge acting force when the elevator descends, an emergency braking effect is improved, the reliability of the elevator is improved, the emergency braking effect can be realized under special conditions such as power failure of the elevator or failure of the controller, and the safety of the elevator is further ensured.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the emergency braking device of the present invention;

fig. 3 is a front view of the present invention.

In the figure: 1 elevator lifting bin, 2 emergency braking device, 201 first fixed block, 202 blocking rod, 203 second slide rail, 204 second fixed block, 205 supporting block, 206 second electric push rod, 207 supporting frame, 208 friction plate, 209 first electric push rod, 210 fixed rod, 211 sliding block, 3 frame plate, 4 pulleys, 5 traction rope, 6 elevator, 7 bottom plate, 8 first slide rail.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-3, in the embodiment, an elevator control emergency braking mechanism includes an elevator hoistway 1, an emergency braking device 2 is fixedly installed inside the elevator hoistway 1, bottom plates 7 are fixedly installed at the bottom of the emergency braking device 2, framework plates 3 are fixedly installed at opposite sides of the two bottom plates 7, first slide rails 8 are fixedly installed at opposite sides of the two framework plates 3, pulleys 4 are fixedly installed at the left sides of the framework plates 3, a traction rope 5 is movably installed on the pulleys 4, and an elevator 6 is fixedly connected to the bottom of the traction rope 5;

emergency braking device 2 includes first fixed block 201, the equal fixedly connected with of the back of the body one side of two first fixed blocks 201 hinders stick 202, the top fixed mounting of first fixed block 201 has second slide rail 203, the top fixed mounting of second slide rail 203 has slider 211, the bottom fixed mounting of elevator 6 has second fixed block 204, the bottom fixed mounting of second fixed block 204 has support frame 207, the bottom fixed mounting of support frame 207 has friction plate 208, the first electric putter 209 of the relative one side fixedly connected with of two friction plates 208, the top fixedly connected with dead lever 210 of friction plate 208, the left and right sides fixedly connected with supporting shoe 205 of elevator 6, the inside fixed mounting of supporting shoe 205 has second electric putter 206.

When in implementation, the method comprises the following steps:

1) firstly, the elevator 6 moves along the first sliding rail 8 in the lifting process, and when an accident occurs, the friction plate 208 generates a reaction force on the first sliding rail 8 to reduce the descending speed of the elevator 8;

2) then, the first electric push rod 209 is started to increase the distance between the two friction plates 208, and further increase the friction force between the first slide rail 8 and the second slide rail;

3) when the elevator 6 descends rapidly, the second electric push rod 206 pushes out the support plate sleeved in the support block 205, and when the support plate descends, the slide block 211 is driven to move up and down on the second slide rail 203 to enable the fixedly connected blocking rod 202 to move rightwards to clamp the support block 205, so that the elevator 6 stops descending;

4) and finally, the traction rope 5 drives the elevator 6 to ascend and descend through the pulley 4, the descending speed of the elevator 6 is reduced, and after the elevator 6 is clamped, a worker pulls the traction rope 5 upwards to pull the elevator 6 upwards.

In conclusion, in the emergency braking mechanism for controlling the elevator, the first slide rail 8 is arranged, the elevator 6 moves along the first slide rail 8 in the lifting process, the friction plates 208 generate reaction force on the first slide rail 8 to reduce the descending speed of the elevator 8 when an accident occurs, the first electric push rod 209 is started to increase the distance between the two friction plates 208, the friction force between the two friction plates 208 and the first slide rail 8 is further increased, the elevator 6 descends rapidly by arranging the supporting block 205, the second electric push rod 206 pushes out the supporting plate sleeved in the supporting block 205 at the same time, the sliding block 211 is driven to move up and down on the second slide rail 203 when the supporting plate descends to enable the fixedly connected blocking rod 202 to move rightwards to block the supporting block 205, the elevator 6 stops descending, the traction rope 5 drives the elevator 6 to ascend and descend by arranging the pulley 4 to reduce the descending speed of the elevator 6, a worker pulls the traction rope 5 upwards to pull the elevator 6 upwards after the elevator 6 is blocked, through setting up bottom plate 7, blocking stick 202 and blocking elevator 6 that descends rapidly, be fixed with the spring on bottom plate 7 bottom fixed connection's the mount and play the bradyseism effect, effort is too big when can not making elevator 6 descend breaks bottom plate 7 or leads to bottom plate 7 to drop, has improved and has played emergency braking effect, has improved the reliability of elevator, can play emergency braking effect under the special circumstances such as elevator power failure or controller failure, further guarantees the safety of elevator.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An elevator control emergency braking mechanism, includes elevator lift storehouse (1), its characterized in that: an emergency braking device (2) is fixedly mounted inside the elevator lifting bin (1), bottom plates (7) are fixedly mounted at the bottom of the emergency braking device (2), frame plates (3) are fixedly mounted on opposite sides of the two bottom plates (7), first sliding rails (8) are fixedly mounted on opposite sides of the two frame plates (3), pulleys (4) are fixedly mounted on the left sides of the frame plates (3), traction ropes (5) are movably mounted on the pulleys (4), and an elevator (6) is fixedly connected to the bottoms of the traction ropes (5);

the emergency braking device (2) comprises first fixed blocks (201), blocking rods (202) are fixedly connected to the opposite sides of the first fixed blocks (201), a second sliding rail (203) is fixedly arranged at the top of the first fixed block (201), a sliding block (211) is fixedly arranged at the top of the second sliding rail (203), a second fixed block (204) is fixedly arranged at the bottom of the elevator (6), a support frame (207) is fixedly arranged at the bottom of the second fixed block (204), the bottom of the supporting frame (207) is fixedly provided with friction plates (208), one side of each of the two friction plates (208) which is opposite to the other side is fixedly connected with a first electric push rod (209), the top of the friction plate (208) is fixedly connected with a fixed rod (210), the left side and the right side of the elevator (6) are fixedly connected with supporting blocks (205), and a second electric push rod (206) is fixedly arranged in the supporting block (205).

2. The elevator control emergency brake mechanism of claim 1, wherein: the outer surface of the second electric push rod (206) is sleeved with a spring, and supporting columns are fixedly mounted on the opposite sides of the two second electric push rods (206).

3. The elevator control emergency brake mechanism of claim 1, wherein: the first electric push rod (209), the friction plate (208), the support frame (207), the second fixing block (204) and the fixing rod (210) are arranged in an up-down symmetrical mode on the elevator (6).

4. The elevator control emergency brake mechanism of claim 1, wherein: the top of the blocking rod (202) is fixedly connected with an iron ball, the bottom of the blocking rod (202) is connected to the back side of the two first fixing blocks (201) through a screw, and the middle of the blocking rod (202) is connected with a connecting clamp through a thread and is fixed to the back side of the two sliding blocks (211) through a thread.

5. The elevator control emergency brake mechanism of claim 1, wherein: two the equal fixed mounting in bottom left and right sides of bottom plate (7) has the supporting seat, and the top fixed mounting of supporting seat has the bumping post.

6. The elevator control emergency brake mechanism of claim 1, wherein: rubber friction pads are fixedly arranged on the opposite sides of the two friction plates (208), and the fixing rod (210) is a folding rod.