CN105883521B - Support the elevator and its method of work, the mounting structure of elevator saved oneself in sedan-chair - Google Patents

Abstract

The invention discloses an elevator supporting self-rescue in the car, its working method, and the installation structure of the elevator, including a self-rescue counterweight, a fixed pulley assembly for connecting the self-rescue counterweight and the car, and a fixed pulley assembly arranged in the car and connected to each other The connected self-rescue switch and transmission mechanism, the opening and closing device and the first fastening piece connected to the transmission mechanism, and the weight relief device and the second fastening piece all arranged on the elevator guide rail, the first fastening piece The position of the piece corresponds to the position of the second fastening piece. The self-rescue counterweight is provided with a weight release switch, and the weight release device is connected to the opening and closing device and the weight release switch. When the above-mentioned elevator supporting self-rescue in the car encounters a dangerous situation, it can make the elevator car reach the leveling floor smoothly, launch rescue operations to relieve the trapped danger, and ensure the personal safety and property safety of the trapped people. Simple and low manufacturing cost.

Description

Elevator supporting self-rescue in the car, its working method, and installation structure of the elevator

technical field

The invention relates to the technical field of elevators, in particular to an elevator supporting self-rescue in a car, a working method thereof, and an elevator installation structure.

Background technique

With the continuous popularization of elevators, especially the promotion of more private elevators, it has brought great convenience to people's lives. However, in many cases, the safety of the elevator is particularly prominent due to the manufacturing quality of the elevator, poor inspection and maintenance after long-term use, or the influence of the working environment. Elevator personnel are trapped in the elevator car, which will greatly endanger the safety and health of the elevator personnel. At present, there are also self-rescue elevators on the market, but this kind of elevators have more or less problems such as complicated operation of self-rescue devices, complicated working principles, and low reliability, which need to be solved urgently.

Contents of the invention

Based on this, the present invention provides an elevator supporting self-rescue in the car, its working method, and the installation structure of the elevator, aiming at overcoming the defects of the prior art and achieving the goals of simple self-rescue operation, high working reliability and low manufacturing cost.

The purpose of the present invention is achieved like this:

An elevator supporting self-rescue in the car, including a self-rescue counterweight, a fixed pulley assembly for connecting the self-rescue counterweight and the car, a self-rescue switch and a transmission mechanism arranged in the car and connected to each other, all connected with the transmission The opening and closing device and the first fastening piece connected by the mechanism, and the weight relief device and the second fastening piece both arranged on the elevator guide rail, the position of the first fastening piece corresponds to the position of the second fastening piece, The self-rescue counterweight is provided with a weight release switch, and the weight release device is connected to both the opening and closing device and the weight release switch.

Further, the first fastening part is rotatably fixed on the car, and the first fastening part includes a first hooking part, the second fastening part includes a second hooking part, the The first hooking part cooperates with the second hooking part.

Further, the weight relief device includes a connecting piece connected with the opening and closing device, a first support piece and a second support piece fixed to the elevator guide rail, and a guide assembly rotatably fixed on the second support piece , the connecting piece is sleeved on the guide assembly, and one end of the connecting piece is connected to the first support piece, and the other end of the connecting piece is connected to the weight drain switch.

Further, the opening and closing device includes a driving mechanism and a buckling part connected to the driving mechanism, the buckling part is provided with a buckling part, and the connecting part is slidably connected to the buckling part.

Further, it also includes a first limiter and a second limiter fixed in the elevator shaft, the first limiter and the second limiter are respectively located above and below the self-rescue counterweight.

Further, a guard is also included, and the guard is fixed to the first limiter and located between the first limiter and the self-rescue counterweight.

Further, the self-rescue counterweight is also provided with a self-sealing device, and the self-sealing device includes a closure member rotatably fixed on the self-rescue counterweight, and a support rod fixed on the second stopper , the position of the support rod corresponds to the position of the closure.

Further, it also includes a recovery device fixed on the wall of the elevator shaft, the recovery device is arranged opposite to the weight release switch.

The present invention also provides an elevator installation structure, which includes the elevator supporting self-rescue in the car, a driving device, a car counterweight and a connecting rope, the connecting rope is connected to the driving device, and the connecting rope One end of the rope is connected with the counterweight of the car, and the other end of the connecting rope is connected with the elevator supporting self-rescue in the car.

The present invention also provides a working method of an elevator supporting self-rescue in the car as described in the above claims, which includes the following steps:

The self-rescue switch rotates to drive the opening and closing device;

The opening and closing device drives the weight release device to move, drives the self-rescue counterweight to release the weight, the car gradually moves down, the self-rescue counterweight gradually moves away from the second limiter, the self-sealing device works, and the self-rescue counterweight stops leakage;

The self-rescue switch drives the first fastening member to rotate, so that the first hook part and the second hook part are arranged oppositely;

The first fastening piece is fastened with the second fastening piece, and the car stops moving at the leveling position to complete self-rescue.

The beneficial effects of the present invention are:

When the above-mentioned elevator that supports self-rescue in the car encounters an emergency and the elevator stops running, the people in the car only need to turn the self-rescue switch to drive the opening and closing device and the first fastener to work. At this time, the opening and closing device drives the weight release device to work, and the weight release switch is turned on to release the self-rescue counterweight, and the elevator can go down slowly. At the same time, the first fastener is unfolded and fixed on the The second buckle on the guide rail of the elevator cooperates with the buckle so that the elevator stops moving and remains stable. At this time, when the elevator car reaches the leveling floor, it can self-rescue to relieve the trapped danger, ensuring the personal safety and security of the trapped people. Property security. The working principle of the elevator supporting self-rescue in the car is simple and reliable, the operation method is simple, and the manufacturing cost is low.

The installation structure of the above-mentioned elevator is equipped with the elevator that supports self-rescue in the car. When the elevator stops running in an emergency, the personnel in the car only need to turn the self-rescue switch to drive the opening and closing device and the first buckle. pieces of work. At this time, the opening and closing device drives the weight release device to work, and the weight release switch is turned on to release the self-rescue counterweight, and the elevator can go down slowly. At the same time, the first fastener is unfolded and fixed on the The second buckle on the guide rail of the elevator cooperates with the buckle so that the elevator stops moving and remains stable. At this time, when the elevator car reaches the leveling floor, it can self-rescue to relieve the trapped danger, ensuring the personal safety and security of the trapped people. Property security. The installation structure of the elevator is simple and reliable, the operation method is convenient, and the manufacturing cost is low.

The above-mentioned working method of the elevator supporting self-rescue in the car can ensure that the elevator can reach the leveling floor stably, quickly and reliably enable the people in the car to carry out self-rescue actions to relieve the trapped danger, and ensure the personal safety and property safety of the trapped people, and the work The principle of the method is simple and the operation is reliable.

Description of drawings

Fig. 1 is a structural schematic diagram of an elevator supporting self-rescue in a car according to an embodiment of the present invention;

Fig. 2 is the structural representation of the elevator installation structure described in the embodiment of the present invention;

Fig. 3 shows the working method of the elevator supporting self-rescue in the car according to the embodiment of the present invention.

Explanation of reference signs:

100, self-rescue counterweight, 120, weight release switch, 140, self-sealing device, 142, closure, 144, support rod, 200, fixed pulley assembly, 300, self-rescue switch, 320, self-rescue switch protective part, 400, opening and closing Device, 420, crimping part, 422, crimping part, 500, first fastening part, 520, first hooking part, 600, weight relief device, 620, connecting part, 640, first supporting part, 660, second Support member, 680, guide assembly, 700, second fastening member, 720, second hook part, 800a, first limiting member, 800b, second limiting member, 900a, protective member, 900b, recovery device, 1000a, driving device, 1000b, connecting rope, 1000c, car counterweight.

detailed description

Embodiments of the present invention are described in detail below:

As shown in Figure 1, an elevator supporting self-rescue in the car includes a self-rescue counterweight 100, a fixed pulley assembly 200 for connecting the self-rescue counterweight 100 and the car, and a self-rescue switch arranged in the car and connected to each other 300 and the transmission mechanism (not shown in the figure), the opening and closing device 400 and the first fastening piece 500 connected to the transmission mechanism, and the weight relief device 600 and the second fastening piece all arranged on the elevator guide rail 700, the position of the first fastening piece 500 corresponds to the position of the second fastening piece 700, the self-rescue counterweight 100 is provided with a weight release switch 120, the weight relief device 600 is connected to the opening and closing device 400, The weight drain switches 120 are all connected.

When the elevator suddenly stops running in an emergency, the people in the car only need to turn the self-rescue switch 300 to drive the opening and closing device 400 and the first buckle 500 to work. At this time, the opening and closing device 400 drives the weight release device 600 to work, and turns on the weight release switch 120 to release the weight of the self-rescue counterweight 100, and the elevator can slowly descend, while the first fastening member 500 is unfolded and fixed on the elevator guide rail The second fastening piece 700 on the top is fastened together so that the elevator stops moving and remains stable. At this time, when the elevator car reaches the leveling floor, it can self-rescue to relieve the trapped danger and ensure the personal safety and property safety of the trapped people. . The working principle of the elevator supporting self-rescue in the car is simple and reliable, the operation method is simple, and the manufacturing cost is low.

In this embodiment, the self-rescue switch 300 is preferably a rotating rod, which is convenient for people to operate conveniently and labor-savingly, and the self-rescue counterweight 100 and the car are balancedly connected through the fixed pulley assembly 200, and the fixed pulley assembly includes The fixed pulley fixed in the elevator shaft and positioned above the car, and the connecting rope wrapped around the fixed pulley, the two ends of the connecting rope are respectively connected to the self-rescue counterweight 100 and the car. Furthermore, in order to prevent accidents caused by accidental collisions by passengers, or to protect the safety and cleanliness of the rotating rod, a self-rescue switch protection part 900a is also provided in the car, and the self-rescue switch protection part 900a is arranged on the self-rescue switch 300 superior. The self-rescue switch protection part 900a is preferably made of plexiglass, which not only has high strength and low manufacturing cost, but also has a beautiful appearance. In addition, when self-rescue is required in an emergency, the protective cover can be directly destroyed by hand to start self-rescue, which greatly saves rescue time.

In addition, the self-rescue counterweight 100 is also provided with a self-sealing device 140, the self-sealing device 140 includes a closure 142 rotatably fixed on the self-rescue counterweight 100, and a closure member 142 fixed to the second stopper. The support rod 144 on 800b corresponds to the position of the closure member 142 . When the self-rescue counterweight 100 is in the initial state, the closure member 142 is pushed up by the support rod 144 to be in an open state, and the counterweight inside the self-rescue counterweight 100 is activated by the weight release switch 120 Closed to prevent leakage. When self-rescue is required, the weight release switch 120 is pulled to open, and the counterweight continuously leaks to reduce the weight of the self-rescue counterweight 100. Gradually separate, so that the sealing member 142 gradually presses and fits with the inner wall of the self-rescue counterweight 100, so as to realize the sealing and anti-leakage effect, and make the rescue process more safe and controllable.

The first fastening part 500 is rotatably fixed on the car, and the first fastening part 500 includes a first hook part 520, and the second fastening part 700 includes a second hook part 720, The first hooking portion 520 is engaged with the second hooking portion 720 . Both the first fastening member 500 and the second fastening member 700 are hooks made of high-strength, high-toughness steel and other materials to ensure sufficient connection strength and service life. In a normal state, the first fastening member 500 is in a folded state attached to the car body. When performing self-rescue, the deployment can be realized through the driving action of the transmission mechanism, and the deployment state is preferably perpendicular to the car, and the first hooking part 520 is hooked to the second hooking part of the second fastening part 700 The parts 720 are arranged opposite to each other so that the first hooking part 520 and the second hooking part 720 can be smoothly matched and articulated when the car moves down, so as to prevent the car from continuing to move and ensure that the car stops smoothly at Leveling, so that the people in the car can escape by themselves.

When the self-rescue lever is rotated, when the opening and closing device 400 and the first fastening part 500 are driven by the transmission mechanism, the opening and closing device 400 and the first fastening part 500 can act successively, or They act simultaneously, preferably simultaneously. In addition, the above-mentioned self-rescue counterweight 100 adopts a shell, and the inside of the shell is filled with counterweights. The bottom of the housing is provided with an opening, and the opening is in sealing connection with the weight release switch 120 , and the weight release switch 120 is rotatably fixed on the housing through a pin shaft. When it is necessary to release the weight, pull the weight release switch 120, the weight release switch 120 will be separated from the opening, and the weight release will be released by itself. When the self-rescue counterweight 100 moves away from the second limiter 800b, The sealing device 140 makes the self-rescue counterweight 100 seal the leakage automatically, and the above-mentioned counterweight can be solid steel grains, iron grains, etc., or can be liquids with high specific gravity.

The weight relief device 600 includes a connection piece 620 connected with the opening and closing device 400, a first support piece 640 and a second support piece 660 fixed on the elevator guide rail, and a rotatably fixed piece on the second support piece. 660 on the guide assembly 680, the connector 620 is sleeved on the guide assembly 680, and one end of the connector 620 is connected to the first support 640, and the other end of the connector 620 is connected to the drain Heavy switch 120 is connected.

The connector 620 is a steel rope or the like, one end of the steel rope is connected and fixed to the first support 640 fixed on the elevator guide rail, and the other end is connected to the weight release switch 120. At the same time, in order to facilitate the movement of the steel rope, it is preferable to install the guide assembly 680 on the second support member 660, and the guide assembly 680 may be a pulley, or a guide member provided with an arc-shaped groove, or the like. When the opening and closing device 400 pulls the steel rope to move, the steel rope will slowly pull away the weight release switch 120, so that the counterweight in the self-rescue counterweight 100 flows out, and at this time the self-rescue counterweight As the weight of 100 is continuously reduced, the car can gradually move downwards, so that the first fastening part 500 and the second fastening part 700 are slowly approached until they are fastened together to stop the movement of the car.

Further, the opening and closing device 400 includes a driving mechanism (not shown in the figure), and a crimping part 420 connected with the driving mechanism, the crimping part 420 is provided with a crimping part 422, and the connecting part 620 is slidably connected on the crimping portion 422 . Wherein, the driving mechanism is connected with the transmission mechanism to realize power transmission, the crimping part 422 is preferably a plate with a through hole, and the steel rope is passed through the through hole, and the crimping part 420 is in the initial state It is arranged parallel to the steel rope. During self-rescue, the buckling part 420 is driven to rotate by the driving mechanism, and the side wall of the buckling part 422 can press the steel rope to bend the steel rope, thereby driving the steel rope to move and open the weight release switch 120, the connection method is compact, and the working principle is simple and reliable.

In addition, the above-mentioned elevator supporting self-rescue in the car also includes a first limiting member 800a and a second limiting member 800b fixed in the elevator shaft, and the first limiting member 800a and the second limiting member 800b are respectively located at The top and bottom of the self-rescue counterweight 100. The first limiting member 800a and the second limiting member 800b are baffles fixed in the elevator shaft, the positions of the baffles can be calculated and set in advance, and the distance between the baffles and the self-rescue counterweight 100 is to ensure When implementing self-rescue, the elevator car can reach the leveling position smoothly, and the car can avoid unrestricted movement, ensuring timely and reliable rescue.

Further, the above-mentioned elevator that supports self-rescue in the car also includes a protective member 900a, the protective member 900a is fixed to the first limiting member 800a, and is located between the first limiting member 800a and the self-rescue counterweight 100 . The protection part 900a is a spring or a hydraulic buffer device with good elasticity, which can be used as a buffer protection when preventing the car from moving unrestrictedly and stopping the elevator, so as to prevent the self-rescue counterweight 100 from colliding with the first limiting plate. To hard direct collision, cause damage, affect the safety of self-rescue counterweight 100.

In this embodiment, it is preferable that the above-mentioned elevator supporting self-rescue in the car further includes a recovery device 900b fixed on the wall of the elevator shaft, and the recovery device 900b is arranged opposite to the weight release switch 120 . The recovery device 900b includes a support platform fixed on the wall of the elevator shaft and a storage object placed on the support platform. The storage object can be a container such as a cylinder, a bucket, etc., and has a certain capacity to ensure that the continuously leaking counterweight can be recovered. objects to avoid environmental pollution, and the recovered counterweights can be recycled, thereby reducing costs and saving resources.

As shown in Figure 2, the present invention also provides an elevator installation structure, which includes the elevator supporting self-rescue in the car, a driving device 1000a, a car counterweight 1000c and a connecting rope 1000b, and the connecting rope 1000b is connected to the The driving device 1000a is connected, and one end of the connecting rope 1000b is connected with the car counterweight 1000c, and the other end of the connecting rope 1000b is connected with the elevator supporting self-rescue in the car.

The installation structure of the above-mentioned elevator is equipped with the elevator that supports self-rescue in the car. When the elevator stops running in an emergency, the personnel in the car only need to turn the self-rescue switch 300 to drive the opening and closing device 400 and the first Fastener 500 works. At this time, the opening and closing device 400 drives the weight relief device 600 to work, and the weight relief switch 120 is turned on to release the weight of the self-rescue counterweight 100, and the elevator can slowly descend, and at the same time, the first fastening member 500 Expand and fasten with the second buckle 700 fixed on the guide rail of the elevator so that the elevator stops moving and remains stable. The personal safety and property safety of trapped persons. The installation structure of the elevator is simple and reliable, the operation method is convenient, and the manufacturing cost is low.

Preferably, the self-rescue counterweight 100 can be equipped with the balance weight required when the car is doubled, so as to ensure that the self-rescue counterweight 100 will not move during normal operation, and the self-rescue counterweight 100 After a leak occurs, the required balance weight of the empty car that is slightly lower than that can still be retained to control the moving speed and safety of the car.

As shown in Figure 3, the present invention also provides a working method of an elevator supporting self-rescue in the car as described in the above claims, which includes the following steps:

The self-rescue switch 300 rotates to drive the opening and closing device 400 to act;

The opening and closing device 400 drives the weight release device 600 to act, drives the self-rescue counterweight 100 to release the weight, the car gradually moves down, the self-rescue counterweight 100 gradually moves away from the second limiter 800b, the self-sealing device 140 works, and the self-rescue counterweight 100 stops leaking ;

The self-rescue switch 300 drives the first fastening member 500 to rotate, so that the first hooking part 520 is arranged opposite to the second hooking part 720;

The first fastening part 500 is fastened with the second fastening part 700, and the car stops moving at the leveling position to complete self-rescue.

The working method of the above-mentioned elevator supporting self-rescue in the car can ensure that the elevator can reach the leveling floor stably, quickly and reliably enable the people in the car to carry out self-rescue actions to relieve the trapped danger, and ensure the personal safety and property safety of the trapped people. Moreover, the principle of the working method is simple and the work is reliable.

The various technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the various technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, should be considered as within the scope of this specification.

The above-mentioned embodiments only express several implementation modes of the present invention, and the descriptions thereof are relatively specific and detailed, but should not be construed as limiting the patent scope of the invention. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.

Claims (10)

1. a kind of elevator for supporting to save oneself in sedan-chair, it is characterised in that including counterweight of saving oneself, for connecting save oneself counterweight and the sedan-chair The fixed pulley assembly in railway carriage or compartment, save oneself switch and the transmission mechanism for being arranged in car and being connected with each other, connect with the transmission mechanism The headstock gear and the first fastener that connect and may be contained within cage guide let out refitting put with the second fastener, described first Fastener is corresponding with the second fastener position, and the counterweight of saving oneself, which is provided with, lets out master switch, it is described let out refitting put with it is described Headstock gear, the master switch of letting out are all connected with.

2. the elevator according to claim 1 for supporting to save oneself in sedan-chair, it is characterised in that first fastener is rotationally It is fixed on car, and first fastener includes the first hook portion, second fastener includes the second hook portion, described First hook portion coordinates snapping with second hook portion.

3. according to claim 1 support the elevator saved oneself in sedan-chair, it is characterised in that it is described let out refitting put including with it is described Connector, the first support member for being fixed on cage guide and the second support member of headstock gear connection and it is rotatably fixed Guidance set on second support member, the connector are set in the guidance set, and one end of the connector It is connected with first support member, the other end of the connector is connected with the master switch of letting out.

4. the elevator according to claim 3 for supporting to save oneself in sedan-chair, it is characterised in that the headstock gear includes driving machine Structure and the buckling piece being connected with the drive mechanism, the buckling piece are provided with attaching part, and the connector is slidably connected to described Attaching part.

5. the elevator according to claim 1 for supporting to save oneself in sedan-chair, it is characterised in that also include being fixed in elevator hoistways The first locating part and the second locating part, first locating part and second locating part are respectively positioned at the counterweight of saving oneself Top, lower section.

6. the elevator according to claim 5 for supporting to save oneself in sedan-chair, it is characterised in that also including protector, the protection Part is fixed on first locating part and between first locating part and the counterweight of saving oneself.

7. the elevator according to claim 5 for supporting to save oneself in sedan-chair, it is characterised in that be additionally provided with the counterweight of saving oneself certainly Closing device, the self-sealing device include rotatably being fixed on described save oneself and the closure member on counterweight and are fixed on described the Support bar on two locating parts, the support bar are corresponding with the position of the closure member.

8. the elevator according to claim 1 for supporting to save oneself in sedan-chair, it is characterised in that also include being fixed on elevator shaft wall On retracting device, the retracting device is oppositely arranged with the master switch of letting out.

9. a kind of mounting structure of elevator, it is included just like the electricity saved oneself in the support sedan-chair described in any one of claim 1 to 8 Ladder, drive device, car counterweight and connection rope, the connection rope is connected with the drive device, and the connection rope One end be connected with the car counterweight, the other end of the connection rope supports that the elevator saved oneself is connected in car with described.

10. a kind of method of work for the elevator saved oneself in support sedan-chair as described in any one of claim 1 to 8, it includes as follows Step：

Switch of saving oneself rotates, driving headstock gear action；

Weight device action is let out in headstock gear driving, and drive counterweight of saving oneself lets out weight, and car gradually moves down, and counterweight of saving oneself is gradually distance from the Two locating parts, self-sealing device work, counterweight of saving oneself stop leakage；

The fastener of switch drive of saving oneself first rotates, and makes the first hook portion and the second hook portion positioned opposite；

First fastener and the second fastener snapping, car stop moving, complete to save oneself in level position.