CN204823604U - High -efficient damping device at bottom of elevator sedan -chair with double shock absorption effect - Google Patents

Abstract

<b>A high-efficiency shock-absorbing device for an elevator car floor with double shock-absorbing effects, characterized in that it includes a hydraulic cylinder (1), the bottom of the hydraulic cylinder (1) is connected to the lower backing plate (2), and the inside of the hydraulic cylinder (1) A piston (3) is provided; a push-pull rod (4) is connected to the piston (3), a spring (5) is covered on the push-pull rod (4), and a rubber sleeve (6) is covered on the spring (5); the spring (5) It is connected with the upper backing plate (8) through the baffle plate (7). The utility model is installed on the elevator car bottom, and a hydraulic cylinder is arranged between the upper and lower pads. When the elevator starts, the push-pull rod drives the piston to move up and down quickly in the hydraulic cylinder, quickly consuming the kinetic energy of the elevator and making the elevator start smoothly. In addition, the utility model is also provided with a spring on the push-pull rod, and a rubber sleeve is provided on the spring to prevent the surface of the spring from rusting and prolong the practical life. When the elevator falls, because the hydraulic cylinder and the spring form a double shock absorption, the shock absorption effect and the safety of the elevator are greatly improved. </b>

Description

A high-efficiency shock-absorbing device for elevator car floor with double shock-absorbing effects

technical field

The utility model relates to a shock absorbing device, in particular to a shock absorbing device installed on the bottom of an elevator car.

Background technique

In recent years, with the rapid development of the elevator industry, people have higher and higher requirements for the shock absorption effect of elevators. Therefore, it is necessary to install a damping device at the bottom of the elevator car to damp the elevator. Existing elevators generally adopt rubber shock absorbers or spring shock absorbers. The elevator adopting the rubber damping device, because the rubber is easy to tear under the impact of heavy load, and the rubber is easy to age and crack, so the damping effect is not ideal and the service life is short. For elevators with spring damping devices, the elevator does not start smoothly, and the surface of the springs is prone to rust, and the service life is short. In addition, when the elevator accidentally falls, the rubber or spring vibrates up and down to consume the kinetic energy of the elevator slowly, and the safety performance is not ideal. Therefore, the existing elevator damping device has the problems of unsatisfactory damping effect, unstable start, short service life, slow consumption of elevator kinetic energy and unsatisfactory safety performance.

Utility model content

The purpose of the utility model is to provide a high-efficiency shock-absorbing device for an elevator car bottom with double shock-absorbing effects. The utility model improves the shock absorbing device, and has the advantages of good shock absorbing effect, stable start, long service life, fast consumption of elevator kinetic energy and high safety.

The technical scheme of the utility model: a high-efficiency damping device for an elevator car floor with double damping effects, including a hydraulic cylinder, the bottom of which is connected to the lower backing plate, and a piston is arranged inside the hydraulic cylinder; a push-pull rod is connected to the piston. A spring is sheathed on the pull rod, and a rubber sleeve is sheathed on the spring; the spring is connected with the upper backing plate through the baffle plate.

In the aforementioned high-efficiency damping device for the elevator car floor with double damping effects, one end of the spring is fixed on the baffle plate, and the other end is fixed on the upper surface of the hydraulic cylinder.

In the aforementioned high-efficiency shock absorbing device for the elevator car floor with double shock absorbing effects, the baffle is connected to the top of the push-pull rod and connected to the upper backing plate.

Compared with the prior art, the utility model is installed on the bottom of the elevator car through the upper backing plate 8, and a hydraulic cylinder is set between the upper and lower backing plates. When the elevator starts, the push-pull rod drives the piston to move up and down quickly in the hydraulic cylinder, quickly consuming the kinetic energy of the elevator and making the elevator start smoothly. In addition, the utility model is also provided with a spring on the push-pull rod, and a rubber sleeve is provided on the spring to prevent the surface of the spring from rusting and prolong the service life. When the elevator falls, because the hydraulic cylinder and the spring form a double shock absorption, the shock absorption effect and the safety of the elevator are greatly improved. Therefore, the utility model has the advantages of good damping effect, stable start, long service life, fast consumption of elevator kinetic energy and high safety.

Description of drawings

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

The marks in the accompanying drawings are: 1-hydraulic cylinder, 2-backing plate, 3-piston, 4-push-pull rod, 5-spring, 6-rubber sleeve, 7-baffle plate, 8-upper backing plate.

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings and embodiments, but it is not used as a basis for limiting the utility model.

Example. A high-efficiency shock-absorbing device for an elevator car floor with double shock-absorbing effects, as shown in Figure 1, includes a hydraulic cylinder 1, the bottom of the hydraulic cylinder 1 is connected to a lower backing plate 2, and a piston 3 is arranged in the hydraulic cylinder 1; Connected with a push-pull rod 4, the push-pull rod 4 is covered with a spring 5, and the spring 5 is covered with a rubber sleeve 6; the spring 5 is connected with the upper backing plate 8 through the baffle plate 7. It is connected with the bottom of the elevator car through the upper backing plate 8.

One end of the spring 5 is fixed on the baffle 7 , and the other end is fixed on the upper surface of the hydraulic cylinder 1 . The baffle plate 7 is connected to the top of the push-pull rod 4 and connected to the upper backing plate 8 .

The utility model is installed on the bottom of the elevator car by the upper backing plate 8. When the elevator starts or falls, the upper backing plate 8 moves downward relative to the lower backing plate 2, and drives the baffle plate 7 to move downward. Since the spring 5 is fixed between the baffle 7 and the hydraulic cylinder 1, when the baffle 7 moves downward, the spring 5 starts to compress, consuming the kinetic energy of the elevator. Simultaneously, the push-pull rod 4 is pushed downward along with the movement of the baffle plate 7, so that the piston 3 moves downward, compresses the liquid in the hydraulic cylinder 1, and consumes the kinetic energy of the elevator. Thereby realizing the double shock absorption of the elevator.

Claims (3)

1. A high-efficiency shock-absorbing device for an elevator car floor with double shock-absorbing effects, characterized in that it includes a hydraulic cylinder (1), the bottom of the hydraulic cylinder (1) is connected to the lower backing plate (2), and the hydraulic cylinder (1) is equipped with a There is a piston (3); the piston (3) is connected with a push-pull rod (4), the push-pull rod (4) is covered with a spring (5), and the spring (5) is covered with a rubber sleeve (6); the spring (5) passes through The baffle plate (7) is connected with the upper backing plate (8). 2. The high-efficiency damping device for elevator car bottom with double damping effect according to claim 1, characterized in that: one end of the spring (5) is fixed on the baffle (7), and the other end is fixed on the hydraulic cylinder (1) Upper surface. 3. The high-efficiency shock-absorbing device for elevator car bottom with double shock-absorbing effect according to claim 1 or 2, characterized in that: the baffle (7) is connected to the top of the push-pull rod (4), and is connected to the upper backing plate (8) connected.