CN217102590U - Elevator car safety buffer - Google Patents

Abstract

The utility model discloses an elevator car safety buffer, including the safety buffering support, air cushion type buffering protection mechanism, many gradients buffering damper, one side of safety buffering support is located to air cushion type buffering protection mechanism, air cushion type buffering protection mechanism is including buffering the support column, one side that the buffering support column is located the safety buffering support outside is connected with the buffer board, one side that the buffering support column was kept away from to the buffer board is connected with the shock attenuation protection pad, be equipped with a plurality of evenly distributed's buffer piston rod between buffer board and the safety buffering support, buffer piston rod and buffer board fixed connection. The utility model discloses a set up many gradients buffering damper, can carry out many gradients buffering protection to elevator car, improved the effect of carrying out safety buffering to elevator car, reduced the potential safety hazard of elevator car operation in-process, improved elevator car safety buffer and carried out safety protection's stability to elevator car and personnel.

Description

Elevator car safety buffer

Technical Field

The utility model belongs to the technical field of elevator car, concretely relates to elevator car safety buffer.

Background

The elevator car is the important component of elevator, be the box space that the elevator is used for bearing and transporting personnel's goods and materials, generally by the car frame, the car body and several parts of in-box device constitute, elevator car cushion chamber is a safety device who is used for carrying out buffering protection to elevator car, generally install in the well pit of elevator, be located the car under, when the elevator in the operation condition that wire rope fracture appears, tow frictional force, band-type brake braking force is not enough or control system is malfunctioning, play the cushioning effect to elevator car through elevator car buffer, protect the safety of passenger and equipment.

Current elevator car buffer single structure, it is relatively poor to carry out the effect of safe buffering to elevator car, when elevator car derails, can not play the effect of effective protection to elevator car, has reduced the stability of carrying out the protection to elevator car and personnel for the potential safety hazard in the elevator car operation process is great.

Therefore, in view of the above technical problems, it is necessary to provide an elevator car safety buffer.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an elevator car safety buffer to solve the poor problem of above-mentioned elevator car buffer buffering effect.

In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:

an elevator car safety buffer comprising: the safety buffer support, the air cushion type buffer protection mechanism and the multi-gradient buffer damping mechanism are arranged on the base;

the air cushion type buffer protection mechanism is arranged on one side of the safety buffer support and comprises a buffer support column, one side, located outside the safety buffer support, of the buffer support column is connected with a buffer plate, one side, far away from the buffer support column, of the buffer plate is connected with a shock absorption protection pad, a plurality of buffer piston rods which are uniformly distributed are arranged between the buffer plate and the safety buffer support, the buffer piston rods are fixedly connected with the buffer plate, buffer springs are sleeved on the outer sides of the buffer piston rods, and buffer air cylinders are arranged on one sides, far away from the buffer plate, of the buffer piston rods;

many gradients buffering damper locates between buffering support column and the safe buffering support, many gradients buffering damper includes buffer hydraulic cylinder, be equipped with hydraulic piston rod in the buffer hydraulic cylinder, be formed with the buffer control chamber between hydraulic piston rod and the buffer hydraulic cylinder, the buffer control intracavity is filled with hydraulic buffer oil.

Further, a plurality of evenly distributed's air cushion receiver is connected in the buffering support column, and the air cushion receiver plays to accomodate spacing effect to the buffering air cushion, air cushion receiver in-connection has the buffering air cushion, and the inflation of accessible buffering air cushion plays the effect that the buffering supported to the buffer board, reduces the circumstances that the buffering support column bumps with the safety buffer support in the removal process.

Furthermore, one side of the buffer air cushion is connected with an air conveying pipe, the air conveying pipe plays a role in communicating the buffer air cushion with an air guiding pipe, one side of the air conveying pipe, which is far away from the buffer air cushion, is connected with the air guiding pipe, the air guiding pipe is communicated with the buffer air cylinder, and the air guiding pipe plays a role in communicating the buffer air cylinder with the air conveying pipe, so that the air in the buffer air cylinder is conveyed into the buffer air cushion under the action of the air conveying pipe and the air guiding pipe, and the expansion buffer state of the buffer air cushion is controlled.

Further, one side of buffering pneumatic cylinder is connected with a plurality of evenly distributed's catheter, and is a plurality of the catheter is linked together with the buffer control chamber, and the catheter plays the effect of intercommunication buffer pneumatic cylinder and supplementary spacing inflator, is convenient for make the hydraulic buffer oil in the buffer control chamber carry to supplementary spacing inflator under the effect of catheter in, and is a plurality of the one end that buffer pneumatic cylinder was kept away from to the catheter all is connected with supplementary spacing inflator, and supplementary spacing inflator plays the spacing effect of support to reset spring.

Further, it is a plurality of all be connected with a plurality of evenly distributed's reset spring in the supplementary spacing inflator, reset spring plays the effect of connecting pneumatic support piece and supplementary spacing inflator, and accessible reset spring's shrink and the effect that resets and play the buffering support to pneumatic support piece, one side that supplementary spacing inflator was kept away from to reset spring is connected with pneumatic support piece, and the removal of accessible pneumatic support piece supports spacingly to the buffering support column, has improved and has cushioned spacing stability to the buffering support column, the outside of supplementary spacing inflator is connected with spacing seat, and spacing seat plays to support fixed effect to supplementary spacing inflator.

Furthermore, both sides of the limiting seat are provided with limiting chutes, so that the movable sliding block can be moved and limited through the limiting chutes, a sliding rod is arranged in the limiting chutes, the sliding rod can limit the movable sliding block to move, the moving stability of the movable sliding block is improved, the outer side of the sliding rod is sleeved with a damping spring, the movable sliding block can be buffered and damped through compression and reset of the damping spring, one side of the damping spring is connected with the movable sliding block, the movable sliding block can support and limit the supporting rod, one side of the movable sliding block, far away from the limiting seat, is hinged with a supporting rod, the supporting rod can play a role in connecting the movable sliding block and a buffering connecting seat, the buffering connecting seat can be supported and limited through the supporting rod, one side of the supporting rod, far away from the movable sliding block, is connected with a buffering connecting seat, and the buffering connecting seat is connected with a buffering supporting column, the buffering connecting seat plays the effect of connecting buffering support column and bracing piece, and the accessible bracing piece supports spacingly to the buffering support column to the mode that the buffering connecting seat supported.

Compared with the prior art, the utility model has the advantages of it is following:

the utility model discloses a set up many gradients buffering damper, can carry out many gradients buffering protection to elevator car, improved the effect of carrying out safety buffering to elevator car, reduced the potential safety hazard of elevator car operation in-process, improved elevator car safety buffer and carried out safety protection's stability to elevator car and personnel.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a first front cross-sectional view of an elevator car safety buffer in an embodiment of the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

fig. 3 is a second front cross-sectional view of an elevator car safety buffer in an embodiment of the present invention;

FIG. 4 is a schematic view of the structure of FIG. 3 at B;

FIG. 5 is a schematic view of the structure of FIG. 3 at C;

fig. 6 is a perspective view of an elevator car safety buffer according to an embodiment of the present invention.

In the figure: 1. the safety buffer device comprises a safety buffer support, 2. an air cushion type buffer protection mechanism, 201. a buffer support column, 202. a buffer plate, 203. a shock absorption protection pad, 204. a buffer piston rod, 205. a buffer spring, 206. a buffer air cylinder, 207. an air cushion storage box, 208. a buffer air cushion, 209. an air conveying pipe, 210. a guide air pipe, 3. a multi-gradient buffer shock absorption mechanism, 301. a buffer hydraulic cylinder, 302. a hydraulic piston rod, 303. a liquid guide pipe, 304. an auxiliary limit air cylinder, 305. a reset spring, 306. a pneumatic support piece, 307. a limit seat, 308. a slide rod, 309. a shock absorption spring, 310. a movable slide block, 311. a support rod, 312. a buffer connection seat.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. However, the present invention is not limited to the embodiments, and the structural, method, or functional changes made by those skilled in the art according to the embodiments are all included in the scope of the present invention.

The utility model discloses an elevator car safety buffer, refer to fig. 1-6 and show, including safety buffer support 1, air cushion type buffering protection mechanism 2, many gradients buffering damper 3.

Referring to fig. 1-2, the air cushion type buffer protection mechanism 2 is disposed at one side of the safety buffer support 1, and the air cushion type buffer protection mechanism 2 can play a role in safety buffering of the elevator car, so that the use safety of the elevator car is improved.

Referring to fig. 1-2, the air cushion type buffer protection mechanism 2 includes a buffer support column 201, and the buffer support column 201 supports and limits the buffer plate 202, so as to buffer and protect the buffer plate 202 by supporting and buffering the buffer support column 201.

Referring to fig. 1-2, one side of the buffering support column 201, which is located outside the safety buffering support 1, is connected with a buffer plate 202, the buffer plate 202 plays a role in buffering and protecting the elevator car, the area for supporting the bottom of the elevator car is increased by arranging the buffer plate 202, and the stability for buffering and protecting the elevator car is improved.

Referring to fig. 1-2, one side of the buffer plate 202, which is far away from the buffer support column 201, is connected with a shock absorption protection pad 203, so that the shock absorption protection pad 203 can play a shock absorption and buffering role on the elevator car, and the situation that the buffer plate 202 is damaged by external force in the using process is reduced.

Referring to fig. 3-4, a plurality of buffer piston rods 204 are uniformly distributed between the buffer plate 202 and the safety buffer support 1, the buffer piston rods 204 are fixedly connected to the buffer plate 202, and the buffer piston rods 204 support and limit the buffer plate 202.

Referring to fig. 3-4, a buffer spring 205 is sleeved outside the buffer piston rod 204, and the buffer piston rod 204 can be damped and buffered by contraction and return of the buffer spring 205.

Referring to fig. 3-4, a buffer air cylinder 206 is disposed on a side of the buffer piston rod 204 away from the buffer plate 202, and the buffer air cylinder 206 performs movement limiting and pneumatic buffering functions on the buffer piston rod 204.

Referring to fig. 1-2, a plurality of air cushion storage boxes 207 are connected in the buffer support column 201, and the air cushion storage boxes 207 serve as storage limits for the buffer air cushions 208.

Referring to fig. 1-2, the cushion storage box 207 is connected with the cushion pad 208, so that the cushion plate 202 can be supported by the expansion of the cushion pad 208, and the occurrence of collision between the cushion support 201 and the safety cushion support 1 during the moving process is reduced.

Referring to fig. 1-2, a gas delivery pipe 209 is connected to one side of the buffer gas cushion 208, and the gas delivery pipe 209 functions to communicate the buffer gas cushion 208 with the gas guide pipe 210.

Referring to fig. 1-4, a guide air pipe 210 is connected to a side of the air delivery pipe 209 away from the buffer air cushion 208, the guide air pipe 210 is communicated with the buffer air cylinder 206, and the guide air pipe 210 functions to communicate the buffer air cylinder 206 with the air delivery pipe 209, so that air in the buffer air cylinder 206 is delivered into the buffer air cushion 208 under the action of the air delivery pipe 209 and the guide air pipe 210, thereby controlling the expansion buffer state of the buffer air cushion 208.

Referring to fig. 1-2, the multi-gradient buffering and damping mechanism 3 is disposed between the buffering support column 201 and the safety buffering support 1, and the multi-gradient buffering and damping mechanism 3 can play a role in multi-gradient buffering protection on the buffering support column 201.

Referring to fig. 1-2, the multi-gradient buffer damping mechanism 3 includes a buffer hydraulic cylinder 301, and the buffer hydraulic cylinder 301 stores hydraulic buffer oil, and simultaneously can limit the movement of a hydraulic piston rod 302 through the buffer hydraulic cylinder 301.

Referring to fig. 1-2, a hydraulic piston rod 302 is disposed in the buffer hydraulic cylinder 301, and the hydraulic piston rod 302 plays a role of buffering and supporting the buffer support column 201.

Wherein, be formed with the buffering control chamber between hydraulic piston pole 302 and the buffering hydraulic cylinder 301, the buffering control intracavity is filled with hydraulic buffer oil, and accessible buffering control chamber plays the effect that the buffering was supported to hydraulic piston pole 302 with mutually supporting of hydraulic buffer oil.

Referring to fig. 3-5, a plurality of liquid guide tubes 303 are connected to one side of the buffer hydraulic cylinder 301, the liquid guide tubes 303 are communicated with the buffer control chamber, and the liquid guide tubes 303 serve to communicate the buffer hydraulic cylinder 301 with the auxiliary limit air cylinder 304, so that the hydraulic buffer oil in the buffer control chamber is conveyed to the auxiliary limit air cylinder 304 by the liquid guide tubes 303.

Referring to fig. 3-5, an auxiliary limiting air cylinder 304 is connected to one end of each of the plurality of liquid guide tubes 303 far from the cushion hydraulic cylinder 301, and the auxiliary limiting air cylinder 304 serves as a support limiting function for the return spring 305.

Referring to fig. 3 to 5, a plurality of return springs 305 are uniformly connected to the plurality of auxiliary limit cylinders 304, the return springs 305 serve to connect the pneumatic support 306 and the auxiliary limit cylinders 304, and the pneumatic support 306 can be supported in a buffering manner by contraction and return of the return springs 305.

Referring to fig. 3-5, a pneumatic support 306 is connected to a side of the return spring 305 away from the auxiliary limit cylinder 304, and the cushion support column 201 can be supported and limited by the movement of the pneumatic support 306, so that the stability of cushion and limit of the cushion support column 201 is improved.

Referring to fig. 3 to 5, a stopper seat 307 is connected to an outer side of the auxiliary stopper cylinder 304, and the stopper seat 307 supports and fixes the auxiliary stopper cylinder 304.

In addition, both sides of the limiting seat 307 are provided with limiting sliding grooves, so that the movable sliding block 310 can be limited in movement through the limiting sliding grooves.

Referring to fig. 3 to 5, a sliding rod 308 is disposed in the limiting sliding groove, and the sliding rod 308 acts as a movement limiting function for the moving slider 310, so that the movement stability of the moving slider 310 is improved.

Referring to fig. 3-5, a damping spring 309 is sleeved on the outer side of the sliding rod 308, and the damping spring 309 is compressed and reset to perform a damping function on the movable slider 310.

Referring to fig. 3-5, a movable slider 310 is connected to one side of the damping spring 309, and the movable slider 310 supports and limits the supporting rod 311.

Referring to fig. 3 to 5, a support rod 311 is hinged to a side of the movable slider 310 away from the limiting seat 307, and the support rod 311 plays a role of connecting the movable slider 310 and the buffer connecting seat 312, so that the buffer connecting seat 312 can be supported and limited by the support rod 311.

Referring to fig. 3 to 5, a buffer connecting seat 312 is connected to a side of the supporting rod 311 away from the movable slider 310, the buffer connecting seat 312 is connected to the buffer supporting rod 201, the buffer connecting seat 312 serves to connect the buffer supporting rod 201 and the supporting rod 311, and the buffer supporting rod 201 can be supported and limited by the supporting rod 311 in a manner of supporting the buffer connecting seat 312.

When the elevator car derailing prevention device is used specifically, the buffering support column 201 can be supported and limited through the safety buffering support seat 1, when the elevator car is derailed, the elevator car can be buffered and supported through the mutual matching of the buffering support column 201 and the buffering plate 202, the bottom of the elevator car and the buffering plate 202 are protected in a shock absorption mode through the shock absorption protection pad 203, meanwhile, the buffering plate 202 drives the buffering piston rod 204 to move in the buffering air cylinder 206 under the action of the gravity of the elevator car, and the buffering plate 202 is buffered in a shock absorption mode through the contraction of the buffering spring 205;

when the buffer piston rod 204 moves in the buffer air cylinder 206, the air in the buffer air cylinder 206 is conveyed into the buffer air cushion 208 under the action of the conveying air pipe 209 and the guide air pipe 210, the buffer plate 202 is subjected to auxiliary buffering through expansion of the buffer air cushion 208, meanwhile, the buffer supporting column 201 can be supported and limited through mutual matching of the buffer hydraulic cylinder 301 and the hydraulic piston rod 302, and the buffer supporting column 201 is subjected to buffering protection through mutual matching of the hydraulic buffer oil in the buffer hydraulic cylinder 301 and the hydraulic piston rod 302;

hydraulic oil in the buffer hydraulic cylinder 301 is conveyed into the auxiliary limiting air cylinder 304 through the liquid guide pipe 303 under the action of the hydraulic piston rod 302, the pneumatic support 306 moves under the action of hydraulic pressure in the auxiliary limiting air cylinder 304, and the buffer support column 201 is further buffered and damped through the mutual matching of the pneumatic support 306 and the return spring 305;

in addition, buffering support column 201 drives buffering connecting seat 312 and removes at the removal in-process, removes slider 310 and removes under the effect of bracing piece 311, plays the effect of shock attenuation buffering to removing slider 310 through removing the mutually supporting of slider 310 with damping spring 309, has improved the effect of buffering the protection to buffering support column 201.

According to the technical scheme provided by the utility model, the utility model discloses following beneficial effect has:

the utility model discloses a set up many gradients buffering damper, can carry out many gradients buffering protection to elevator car, improved the effect of carrying out safety buffering to elevator car, reduced the potential safety hazard of elevator car operation in-process, improved elevator car safety buffer and carried out safety protection's stability to elevator car and personnel.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. An elevator car safety buffer, comprising:

a safety buffer support (1);

the air cushion type buffer protection mechanism (2) is arranged on one side of the safety buffer support (1), the air cushion type buffer protection mechanism (2) comprises a buffer support column (201), one side, located outside the safety buffer support (1), of the buffer support column (201) is connected with a buffer plate (202), one side, away from the buffer support column (201), of the buffer plate (202) is connected with a shock absorption protection pad (203), a plurality of uniformly distributed buffer piston rods (204) are arranged between the buffer plate (202) and the safety buffer support (1), the buffer piston rods (204) are fixedly connected with the buffer plate (202), the outer side of each buffer piston rod (204) is sleeved with a buffer spring (205), and one side, away from the buffer plate (202), of each buffer piston rod (204) is provided with a buffer air cylinder (206);

many gradients buffering damper (3), locate between buffering support column (201) and safe buffering support (1), many gradients buffering damper (3) are including buffering pneumatic cylinder (301), be equipped with hydraulic piston rod (302) in buffering pneumatic cylinder (301), be formed with the buffering control chamber between hydraulic piston rod (302) and buffering pneumatic cylinder (301), the buffering control intracavity is filled with hydraulic buffer oil.

2. An elevator car safety buffer as claimed in claim 1, wherein a plurality of evenly distributed air cushion storage boxes (207) are connected in the buffer support column (201), and buffer air cushions (208) are connected in the air cushion storage boxes (207).

3. An elevator car safety buffer as claimed in claim 2, characterized in that a gas supply pipe (209) is connected to one side of the buffer air cushion (208), a gas guide pipe (210) is connected to the side of the gas supply pipe (209) remote from the buffer air cushion (208), and the gas guide pipe (210) is connected to the buffer gas cylinder (206).

4. An elevator car safety buffer as claimed in claim 1, characterized in that a plurality of evenly distributed liquid guide tubes (303) are connected to one side of the buffer hydraulic cylinder (301), a plurality of liquid guide tubes (303) are communicated with the buffer control chamber, and auxiliary limiting air cylinders (304) are connected to one ends of the liquid guide tubes (303) far away from the buffer hydraulic cylinder (301).

5. An elevator car safety buffer as claimed in claim 4, characterized in that a plurality of evenly distributed return springs (305) are connected in a plurality of said auxiliary limit cylinders (304), a pneumatic support (306) is connected to the side of said return springs (305) away from the auxiliary limit cylinders (304), and a limit seat (307) is connected to the outside of said auxiliary limit cylinders (304).

6. The elevator car safety buffer of claim 5, wherein a limiting sliding groove is formed in each of two sides of the limiting seat (307), a sliding rod (308) is arranged in the limiting sliding groove, a damping spring (309) is sleeved on the outer side of the sliding rod (308), a movable sliding block (310) is connected to one side of the damping spring (309), a supporting rod (311) is hinged to one side, away from the limiting seat (307), of the movable sliding block (310), a buffering connecting seat (312) is connected to one side, away from the movable sliding block (310), of the supporting rod (311), and the buffering connecting seat (312) is connected with the buffering supporting column (201).

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