CN211338416U - An improved buffer device for elevator braking - Google Patents

Abstract

The utility model discloses an improved buffer device for elevator braking, which belongs to the field of antenna installation. A speedometer is installed on the top of the car. During normal braking, the hydraulic cylinder pushes the brake pads to contact the guide wheel, thereby slowing down the speed of the guide wheel and acting as a brake. When an accident occurs, the speedometer monitors the speed of the road. And transmit the monitoring results to the controller. When the speed value is greater than the preset threshold, the controller will turn on the power to the electromagnet, so that the electromagnet will generate magnetism. Move, and then make the fixed rod push the brakes to move to both sides and resist the inner wall of the hoistway. Quick stop to prevent fall accidents.

Description

An improved buffer device for elevator braking

technical field

The utility model relates to the technical field of antenna installation, in particular to an improved buffer device for elevator braking.

Background technique

A communication tower is a type of signal transmission tower, also called a signal transmission tower or a signal tower. It is composed of steel components such as tower body, platform, lightning rod, ladder, antenna support, etc., and is treated with hot-dip galvanized anti-corrosion. It is mainly used for the transmission and emission of microwave, ultra-short wave, wireless network signals, etc. Generally, the communication antenna is placed at the highest point to increase the service radius to achieve the ideal communication effect, and the communication antenna must have a communication tower to increase the height, so the communication tower plays an important role in the communication network system.

The existing elevator has a single structure, and the current elevator may have an accidental fall accident, which will cause life danger to passengers. At the same time, the bottom of the existing elevator is equipped with a buffer structure, but after a long time of use, the elasticity of the spring weakens, which affects the buffering. effect, but the buffer structure is fixed with the car, which is not easy to replace.

Utility model content

The purpose of the present utility model is to provide an improved buffer device for elevator braking, so as to solve the problems of poor protection effect and easy damage to the buffer structure and inconvenient replacement proposed in the above-mentioned background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an improved buffer device for elevator braking, comprising a car, guide wheels are installed on the upper sides of the car through connecting columns, and two tops of the car are provided with guide wheels. A hydraulic cylinder is installed on the side, the output end of the hydraulic cylinder is connected with a brake pad, a speedometer is installed on the top of the car, and a control room and an installation cavity are respectively set inside the car. A battery is provided, a controller is installed on the inner side of the control room, a chute is provided above and below the interior of the installation cavity, and a connecting plate is connected to the inside of the chute through a pulley, and the connecting plate is A fixed rod is fixed on one side of the car, and one end of the fixed rod extends to one side of the car and is fixed with a mounting plate, one side of the mounting disk is provided with a brake, and the outer surface of the fixed rod is sleeved There is a second spring, an electromagnet is fixed on the other side of the connecting plate, the bottom sides of the car are respectively connected with a bottom plate through a first telescopic rod and a rubber air bag, and the bottom of the car and the top of the bottom plate are respectively A second mounting plate and a first mounting plate are connected, and the top of the first mounting plate and the bottom of the second mounting plate are connected by a telescopic sleeve, and a second telescopic rod is arranged inside the telescopic sleeve. The outer surface of the telescopic rod is sleeved with a first spring, the outer surface of the car and the outer surface of the bottom plate are both penetrated with a rotating shaft, and one end of the rotating shaft is fixed with a clip.

Preferably, a pull cord is fixed on the outer surfaces of the first mounting plate and the second mounting plate.

Preferably, the electromagnets are provided in two groups, and the two groups of electromagnets are arranged in mirror images with the longitudinal axis of the car as the center.

Preferably, there are multiple first springs, and the multiple first springs are all made of manganese steel.

Preferably, the first mounting plate and the second mounting plate are detachable from the car and the bottom plate.

Preferably, both sides of the first mounting plate and the second mounting plate are connected with rollers.

Preferably, there are two groups of the braking elements, and one side of the two groups of the braking elements is serrated.

Compared with the prior art, the beneficial effects of the present utility model are:

1. The improved buffer device for elevator braking is provided with a speedometer, a controller, a battery, an electromagnet, a fixed rod and a brake. During normal braking, the hydraulic cylinder pushes the brake pads to contact the guide wheel, thereby slowing down the guide wheel. The speed of the wheel acts as a brake. When an accident occurs, the speedometer monitors the speed of the off-road and transmits the monitoring results to the controller. When the speed value is greater than the preset threshold, the controller connects the electromagnet. The power is turned on, so that the electromagnet generates magnetism. Due to the principle of homosexual repulsion, it will push the connecting plate to move to both sides, so that the fixed rod pushes the brake to move to both sides and interferes with the inner wall of the hoistway. The brake and the braking of the brake parts have a braking effect on the car together, so that the car can stop quickly and prevent the occurrence of falling accidents;

2. The improved buffer device for elevator braking is provided with a first spring and a rubber air bag, which can absorb the impact force generated when the car bottoms out and improve the protection effect on the car, and is also provided with a rotating shaft, a clamp, a pull The rope, the first installation plate and the second installation plate, when the elastic force of the first spring is insufficient, the staff can turn the shaft to make the clamp change its position not to contact the first installation plate and the second installation plate, and then pull the rope to remove the The first mounting plate and the second mounting plate are pulled out, so as to achieve the purpose of disassembly, thereby facilitating the replacement of the buffer structure and ensuring the buffer effect.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the top view structure schematic diagram of the card slot of the present invention;

Fig. 3 is the side view structure schematic diagram of the vertical plate of the utility model;

FIG. 4 is a partial enlarged structural schematic diagram of the utility model A. FIG.

In the picture: 1. Car; 2. Hydraulic cylinder; 3. Brake pad; 4. Connecting column; 5. Guide wheel; 6. Speedometer; 7. Control room; 8. Battery; 9. Controller; 10. Fixed Rod; 11. Mounting plate; 12. Brake; 13. Mounting cavity; 14. Chute; 15. Connecting plate; 16. Pulley; 17. Electromagnet; 18. Bottom plate; 19. First telescopic rod; 20. Rubber air bag; 21, first installation plate; 22, second installation plate; 23, telescopic sleeve; 24, pull rope; 25, second telescopic rod; 26, first spring; 27, shaft; 28, clip; 29 , the second spring.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the present utility model, unless otherwise expressly specified and limited, the terms "arrangement", "installation", "connection", "connection", "fixation", "socket connection", etc. should be understood in a broad sense, for example, It can be a fixed connection, a detachable connection, or an integral body; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two components or two. For the interaction relationship between the elements, those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

1-4, the present utility model provides a technical solution: an improved buffer device for elevator braking, comprising a car 1, a hydraulic cylinder 2, a brake pad 3, a connecting column 4, a guide wheel 5, and a speedometer 6 , control room 7, battery 8, controller 9, fixed rod 10, mounting plate 11, brake 12, mounting cavity 13, chute 14, connecting plate 15, pulley 16, electromagnet 17, bottom plate 18, first telescopic Rod 19, rubber air bag 20, first mounting plate 21, second mounting plate 22, telescopic sleeve 23, pull cord 24, second telescopic rod 25, first spring 26, rotating shaft 27, clip 28 and second spring 29, A guide wheel 5 is installed on the top of the car 1 through the connecting column 4, a hydraulic cylinder 2 is installed on both sides of the top of the car 1, the output end of the hydraulic cylinder 2 is connected with a brake pad 3, and a speed measuring device is installed on the top of the car 1. Instrument 6, the interior of the car 1 is respectively provided with a control room 7 and an installation cavity 13, the interior of the control room 7 is provided with a battery 8, the inner side of the control room 7 is equipped with a controller 9, and the upper and inner parts of the installation cavity 13 There are chutes 14 at the bottom. The inside of the chutes 14 is connected with a connecting plate 15 through a pulley 16. One side of the connecting plate 15 is fixed with a fixing rod 10, and one end of the fixing rod 10 extends to one side of the car 1 and is fixed. There is a mounting plate 11, one side of the mounting plate 11 is provided with a braking member 12, the outer surface of the fixing rod 10 is sleeved with a second spring 29, the other side of the connecting plate 15 is fixed with an electromagnet 17, and the bottom of the car 1 The bottom plate 18 is connected to the two sides through the first telescopic rod 19 and the rubber air bag 20 respectively. The bottom of the car 1 and the top of the bottom plate 18 are respectively connected with a second mounting plate 22 and a first mounting plate 21. The top of the first mounting plate 21 It is connected with the bottom of the second mounting plate 22 through a telescopic sleeve 23, which can seal and protect the first spring 26 to prevent the first spring 26 from rusting. The telescopic sleeve 23 is provided with a second telescopic sleeve 23 inside. The rod 25, the outer surface of the second telescopic rod 25 is sleeved with a first spring 26, which plays the role of shock absorption and buffering. A clip 28 is fixed, which is convenient for limiting and fixing the first mounting plate 21 and the second mounting plate 22 .

Please refer to FIGS. 1 , 2 , and 4 , preferably, the outer surfaces of the first mounting plate 21 and the second mounting plate 22 are both fixed with pull cords 24 to facilitate pulling the first mounting plate 21 and the second mounting plate 22 , the electromagnet Two sets of electromagnets 17 are provided, and the two sets of electromagnets 17 are mirror-imaged with the longitudinal axis of the car 1 as the center, so that the electromagnets 17 repel each other and push the braking member 12 .

Please refer to FIGS. 1-4 , there are multiple first springs 26 , and the multiple first springs 26 are all made of manganese steel, which improves the service life and compression resistance of the first springs 26 . 21 and the second mounting plate 22 are disassembled from the car 1 and the bottom plate 18 to facilitate the replacement of the buffer structure.

Please refer to FIGS. 1 , 2 and 4 , both sides of the first mounting plate 21 and the second mounting plate 22 are connected with rollers, which reduces friction and saves effort. One side of the 12 is serrated, which increases friction and makes braking better.

Working principle: First of all, the staff first checks whether the parts are in good condition, and if they are damaged, replace them in time. During normal braking, the hydraulic cylinder 2 pushes the brake pads 3 to contact the guide wheel, thereby slowing down the speed of the guide wheel 5 and acting as a brake. , when an accident occurs, the speedometer 6 monitors the speed of the drop road, and transmits the monitoring result to the controller 9. When the speed value is greater than the preset threshold, the controller 9 turns on the power to the electromagnet 17, thereby The electromagnet 17 is made to generate magnetism, and due to the principle of homosexual repulsion, it will push the connecting plate 15 to move to both sides, so that the fixed rod 10 pushes the brake member 12 to move to both sides and interferes with the inner wall of the hoistway, through the guide wheel 5 The braking effect of the car 1 and the braking of the brake member 12 together have a braking effect on the car 1, so that the car 1 can stop quickly. When the elastic force of the first spring 26 is insufficient, the staff can rotate the rotating shaft 27, so that the clip 28 is not in contact with the first installation plate 21 and the second installation plate 22 by changing the position, and then the first installation plate 21 and the second installation plate 22 can be pulled out through the pull rope 24, so as to achieve the purpose of disassembly.

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

Claims (7)

1. The utility model provides a buffer for modified elevator brake, includes car (1), its characterized in that: guide pulley (5) are installed through spliced pole (4) to the both sides top of car (1), pneumatic cylinder (2) are installed to the top both sides of car (1), the output of pneumatic cylinder (2) is connected with brake block (3), tachymeter (6) are installed at the top of car (1), the inside of car (1) is provided with control room (7) and installation cavity (13) respectively, the inside of control room (7) is provided with battery (8), controller (9) are installed to inside one side of control room (7), spout (14) have all been seted up to the inside top and the inside below of installation cavity (13), the inside of spout (14) is connected with connecting plate (15) through pulley (16), one side of connecting plate (15) is fixed with dead lever (10), just the one end of dead lever (10) extends to one side of car (1) and is fixed with mounting disc (11), one side of the mounting disc (11) is provided with a braking part (12), a second spring (29) is sleeved on the outer surface of the fixing rod (10), an electromagnet (17) is fixed on the other side of the connecting plate (15), two sides of the bottom of the car (1) are connected with a bottom plate (18) through a first telescopic rod (19) and a rubber air bag (20) respectively, the bottom of the car (1) and the top of the bottom plate (18) are connected with a second mounting plate (22) and a first mounting plate (21) respectively, the top of the first mounting plate (21) and the bottom of the second mounting plate (22) are connected through a telescopic sleeve (23), a second telescopic rod (25) is arranged inside the telescopic sleeve (23), a first spring (26) is sleeved on the outer surface of the second telescopic rod (25), a rotating shaft (27) penetrates through the outer surface of the car (1) and the outer surface of the bottom plate (18), and a clamping piece (28) is fixed at one end of the rotating shaft (27).

2. The improved buffer device for the brake of the elevator as claimed in claim 1, wherein: and pull ropes (24) are fixed on the outer surfaces of the first mounting plate (21) and the second mounting plate (22).

3. The improved buffer device for the brake of the elevator as claimed in claim 1, wherein: the electromagnets (17) are arranged in two groups, and the electromagnets (17) are arranged in a mirror image mode by taking the longitudinal axis of the car (1) as the center.

4. The improved buffer device for the brake of the elevator as claimed in claim 1, wherein: the first springs (26) are arranged in a plurality of numbers, and the first springs (26) are all made of manganese steel materials.

5. The improved buffer device for the brake of the elevator as claimed in claim 1, wherein: the first mounting plate (21) and the second mounting plate (22) are detachably arranged with the car (1) and the bottom plate (18).

6. The improved buffer device for the brake of the elevator as claimed in claim 1, wherein: the two sides of the first mounting plate (21) and the second mounting plate (22) are both connected with rollers.

7. The improved buffer device for the brake of the elevator as claimed in claim 1, wherein: two groups of braking parts (12) are arranged, and one sides of the two groups of braking parts (12) are both in a sawtooth shape.

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