CN210064821U

CN210064821U - Elevator safety buffer device

Info

Publication number: CN210064821U
Application number: CN201920641715.3U
Authority: CN
Inventors: 彭成淡; 雷勇利; 李怀珠; 林邓添; 张洪升
Original assignee: GUANGDONG INSTITUTE OF SPECIAL EQUIPMENT INSPECTION AND RESEARCH ZHONGSHAN BRANCH
Current assignee: GUANGDONG INSTITUTE OF SPECIAL EQUIPMENT INSPECTION AND RESEARCH ZHONGSHAN BRANCH
Priority date: 2019-05-05
Filing date: 2019-05-05
Publication date: 2020-02-14
Anticipated expiration: 2029-05-05

Abstract

The utility model provides an elevator safety buffer, including pit, buffer board, first guide post, guide cylinder and first buffer spring, the guide cylinder sets up the bottom surface at the pit, and first guide post slides and sets up in the guide cylinder, and the one end fixed mounting of first guide post is in the bottom surface of buffer board, and first buffering spring housing is established in the outside of first guide post, and the bottom surface of holding in the bottom surface of buffer board and pit is supported respectively at first buffer spring's both ends, the utility model discloses a car that descends is born to the buffer board to the impact force that falls with the car turns into buffer spring's internal energy, reaches the effect of buffering, simple structure, and convenient to use has good security performance.

Description

Elevator safety buffer device

Technical Field

The utility model relates to an elevator safety technical field especially relates to an elevator safety buffer.

Background

The elevator is used as a vertical lifting device, is provided with an elevator car and a driving device, is used for carrying people or goods in a multi-storey building, and has wide application in daily life.

However, with the widespread use of elevators, elevator accidents also gradually occur in the field of vision, and particularly, the elevator down stalling causes the car to bottom out and causes casualties to occur frequently, so the national standard provides that the elevator must be provided with a car down safety gear and a buffer device.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a buffering effect is better, simple structure's elevator safety buffer.

The technical scheme of the utility model is realized like this: the utility model provides an elevator safety buffer, including pit, buffer board, first guide post, guide cylinder and first buffer spring, the guide cylinder sets up in the bottom surface of pit, and first guide post slides and sets up in the guide cylinder, and the one end fixed mounting of first guide post is in the bottom surface of buffer board, and first buffer spring overlaps and establishes in the outside of first guide post, and the bottom surface of holding at the lower terminal surface of buffer board and pit is supported respectively at first buffer spring's both ends.

On the basis of the technical scheme, the hydraulic guide device further comprises a buffer oil cylinder, and the buffer oil cylinder is fixedly installed at the bottom of the inner side of the guide cylinder.

On the basis of above technical scheme, preferred, still include buffering connecting rod, guide way and second buffer spring, guide way fixed mounting is in the bottom surface of pit, and the one end of buffering connecting rod is connected with the tip hinge of buffer board, and other end slidable mounting is in the guide way, and the one end that the buffering connecting rod is close to the guide way passes through the lateral wall elastic connection of second buffer spring and pit.

On the basis of the technical scheme, preferably, the number of the buffer connecting rods, the number of the guide grooves and the number of the second buffer springs are not less than two, and the buffer connecting rods, the number of the guide grooves and the number of the second buffer springs are respectively arranged around the buffer plate in a circumferential array mode.

Further preferably, the buffer connecting rod further comprises a second guide post and a guide hole, the guide hole is formed in the side wall of the pit, one end, close to the guide groove, of the buffer connecting rod is fixedly connected with one end of the second guide post, the other end of the second guide post is nested in the guide hole to reciprocate, and the second buffer spring is nested on the outer side of the second guide post.

The utility model discloses an elevator safety buffer has following beneficial effect for prior art:

(1) the utility model adopts the cooperation of the first buffer spring, the first guide post and the guide cylinder to support the buffer board, when the buffer board receives the external force, the acting force can be released through the first buffer spring, thereby achieving the buffering purpose of the first step;

(2) the utility model discloses still at the inside buffering hydro-cylinder that sets up of guide cylinder to realize the buffering purpose of sectional type, increased buffering effect, avoid buffering untimely and the problem that does not arrive the position, can improve passenger's in the car personal safety, secondly, buffering connecting rod and second buffer spring can offset the initial atress of buffer board, further improve buffering effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a sectional view of the elevator safety buffer device of the present invention;

fig. 2 is a cross-sectional view of one embodiment of the elevator safety buffer of the present invention;

fig. 3 is a sectional view of a guide cylinder of the elevator safety buffer device of the present invention;

fig. 4 is a cross-sectional view of an embodiment of a guide cylinder of the elevator safety buffer of the present invention.

In the figure: 1-pit, 2-buffer plate, 3-first guide post, 4-guide cylinder, 5-first buffer spring, 6-buffer oil cylinder, 7-buffer connecting rod, 8-guide groove, 9-second buffer spring, 10-second guide post and 11-guide hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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 work all belong to the protection scope of the present invention.

As shown in fig. 1, combine fig. 3, the utility model discloses an elevator safety buffer, it includes pit 1, buffer board 2, first guide post 3, guide cylinder 4 and first buffer spring 5, guide cylinder 4 sets up the bottom surface at pit 1, first guide post 3 slides and sets up in guide cylinder 4, the one end fixed mounting of first guide post 3 is in the bottom surface of buffer board 2, first buffer spring 5 cover is established in the outside of first guide post 3, the both ends of first buffer spring 5 are supported respectively and are held the bottom surface at the lower terminal surface of buffer board 2 and pit 1.

In the above embodiment, the buffer plate 2 is a plane in contact with the car, the lower end surface of the buffer plate is connected to one end of the first guide post 3, the guide cylinder 4 is fixedly mounted on the bottom surface of the pit 1, the first guide post 3 performs piston movement in the guide cylinder 4, the first buffer spring 5 can buffer the external force from the buffer plate 2, and the first guide post 3 and the guide cylinder 4 can perform a guiding function.

As shown in fig. 4, in the specific embodiment, the hydraulic buffer device further comprises a buffer cylinder 6, and the buffer cylinder 6 is fixedly installed at the bottom of the inner side of the guide cylinder 4.

In the above embodiment, the cushioning effect and the buffering effect of first buffer spring 5 are limited, buffer cylinder 6 sets up in the bottom of guide cylinder 4, when first guide post 3 descends and contacts with buffer cylinder 6 because of exogenic action, buffer cylinder 6 can further cushion external force, when only first buffer spring 5 atress buffering, elevator car descending speed reduces slowly, when contacting buffer cylinder 6, first buffer spring 5 and buffer cylinder 6 all atress, elevator car's descending speed reduction is more, the buffering that buffering effect is good and form the gradual change formula, it is little to the human injury.

As shown in fig. 2, in the specific embodiment, the damping device further includes a damping link 7, a guide groove 8 and a second damping spring 9, the guide groove 8 is fixedly installed on the bottom surface of the pit 1, one end of the damping link 7 is hinged to the end of the damping plate 2, the other end of the damping link 7 is slidably installed in the guide groove 8, and one end of the damping link 7 close to the guide groove 8 is elastically connected to the side wall of the pit 1 through the second damping spring.

In the above embodiment, it cushions buffer board 2 to still increase buffering connecting rod 7, when buffer board 2 receives decurrent stress, partial stress transmits to second buffer spring 9 through buffering connecting rod 7, utilize the reaction force of second buffer spring 9 to reach the effect of buffering, because buffering connecting rod 7 changes at the in-process angle of motion, consequently buffering connecting rod 7 can be more and more littleer to buffer board 2 at the effort of vertical direction, when buffer board 2 is in the unstressed state, buffering connecting rod 7 is the biggest at the reaction force of vertical direction, buffering connecting rod 7 and second buffer spring 9 can be when buffer board 2 initial atress, provide more support as far as possible and resist the impact force that the car produced when descending.

In the above embodiment, the guide groove 8 may function to guide the cushion link 7.

In a specific embodiment, the number of the buffer connecting rods 7, the guide grooves 8 and the second buffer springs 9 is not less than two, and the buffer connecting rods, the guide grooves 8 and the second buffer springs are respectively arranged around the buffer plate 2 in a circumferential array.

In the above embodiment, the two or more buffer connecting rods 7 can make the stress of the buffer plate 2 in the circumferential direction more uniform, and prevent the horizontal deviation of the buffer plate 2 caused by the circumferential acting force II from affecting the working effect.

In a specific implementation mode, the pit further comprises a second guide post 10 and a guide hole 11, the guide hole 11 is formed in the side wall of the pit 1, one end, close to the guide groove 8, of the buffer connecting rod 7 is fixedly connected with one end of the second guide post 10, the other end of the second guide post 10 is nested in the guide hole 11 to reciprocate, and the second buffer spring 9 is nested on the outer side of the second guide post 10.

In the above embodiment, in order to ensure the stability of the connection relationship between the buffer link 7 and the second buffer spring 9, the second guide post 10 is provided to connect the buffer link 7 and the side wall of the pit 1, and the second buffer spring 9 is sleeved on the outer side of the second guide post 10 to prevent the second buffer spring 9 from deviating in the compression process.

Furthermore, a guide hole 11 is arranged, one end of a second guide post 10 is connected with the buffer connecting rod 7, the other end of the second guide post is nested in the guide hole 11, and the second guide post 10 reciprocates in the guide hole 11.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an elevator safety buffer, including pit (1), a serial communication port, still include buffer board (2), first guide post (3), guide cylinder (4) and first buffer spring (5), guide cylinder (4) set up the bottom surface in pit (1), first guide post (3) slide to set up in guide cylinder (4), the one end fixed mounting of first guide post (3) is in the bottom surface of buffer board (2), first buffer spring (5) cover is established in the outside of first guide post (3), the both ends of first buffer spring (5) are supported respectively and are held the lower terminal surface in buffer board (2) and the bottom surface of pit (1).

2. The elevator safety buffer device according to claim 1, further comprising a buffer cylinder (6), wherein the buffer cylinder (6) is fixedly installed at the bottom of the inner side of the guide cylinder (4).

3. The elevator safety buffer device according to claim 1, further comprising a buffer connecting rod (7), a guide groove (8) and a second buffer spring (9), wherein the guide groove (8) is fixedly installed on the bottom surface of the pit (1), one end of the buffer connecting rod (7) is hinged with the end of the buffer plate (2), the other end of the buffer connecting rod is slidably installed in the guide groove (8), and one end of the buffer connecting rod (7) close to the guide groove (8) is elastically connected with the side wall of the pit (1) through the second buffer spring.

4. The elevator safety buffering device according to claim 3, wherein the number of the buffering link (7), the guide groove (8) and the second buffering spring (9) is not less than two, and the two buffering links, the guide groove and the second buffering spring are respectively arranged around the buffering plate (2) in a circumferential array.

5. The elevator safety buffer device according to claim 3, characterized by further comprising a second guide post (10) and a guide hole (11), wherein the guide hole (11) is formed in the side wall of the pit (1), one end of the buffer connecting rod (7) close to the guide groove (8) is fixedly connected with one end of the second guide post (10), the other end of the second guide post (10) is nested in the guide hole (11) to reciprocate, and the second buffer spring (9) is nested outside the second guide post (10).