CN217051221U

CN217051221U - Hydraulic buffer device for vertical shaft hoister cradle

Info

Publication number: CN217051221U
Application number: CN202220509187.8U
Authority: CN
Inventors: 张克军
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-09
Filing date: 2022-03-09
Publication date: 2022-07-26
Anticipated expiration: 2032-03-09

Abstract

The utility model discloses a vertical shaft lifting machine cage chair hydraulic buffer relates to colliery pit shaft and equips technical field. The utility model discloses an install the bed plate in cradle below, be the matrix on the bed plate and dismantle and install a plurality of hydraulic cushion cylinder. The utility model discloses an extend the buffer solution pressure that the cylinder body increases the master cylinder body, make the hydraulic pressure who is used for the buffering have great hydraulic pressure force in small-size cushion cylinder hydraulic pressure relatively, it has shorter height to compare in great cushion cylinder, the high distance that the cage chair below that so has in can solving the practical problem is used for the cushion of cushion cylinder is limited, the high too high unable use of buffer cylinder of a lot of high pressure, can't provide enough big hydraulic pressure's a difficult problem again when nevertheless exchanging the cushion cylinder of low pressure, tear open the master cylinder body and be connected through detachable installation with bed plate and buffer board simultaneously, make wherein can change the solution rapidly when a certain buffer cylinder damages.

Description

Hydraulic buffer device for vertical shaft hoister cradle

Technical Field

The utility model relates to a colliery pit shaft equips technical field, concretely relates to vertical elevator cage chair hydraulic buffer.

Background

The lifting machine that colliery vertical shaft used lifts up and transfers the number of times frequently when daily work, and the rigidity impact force is great when in use transfers cage and cage overlap joint, and connecting device and mounting are strikeed the number of times and are not hard up easily when many, can't guarantee the effect of cage and steady jar of cage is held in the palm to the cage. Therefore, in order to avoid such a situation, a hydraulic cushion device needs to be used, and the main structure of the currently used cushion device mainly includes a cushion hydraulic cylinder, but many practical situations need to be considered when installing the cushion hydraulic cylinder, and the specific situations include: the high distance that the cage chair below was used for the buffering of cushion hydraulic cylinder is limited, and the high too high unable use of cushion hydraulic cylinder of a lot of high pressure nevertheless can't provide enough big hydraulic pressure again when exchanging the cushion hydraulic cylinder of low pressure, and a lot of buffer's pneumatic cylinder is difficult for changing when damaging simultaneously, has brought very big inconvenience for follow-up maintenance.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an: the high distance that is used for the buffering pneumatic cylinder buffering for solving the cage chair below is limited, and the buffering pneumatic cylinder of a lot of big pressure is highly too high unable use, can't provide enough big hydraulic pressure again and a lot of buffer when the buffering pneumatic cylinder of little pressure is nevertheless traded and the problem that the buffering pneumatic cylinder of buffer is difficult for changing when damaging, the utility model provides a vertical shaft lifting machine cage chair hydraulic buffer.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

vertical shaft elevator cage chair hydraulic buffer, including installing the bed plate in the cage chair below, its characterized in that, it dismantles and installs a plurality of hydraulic cushion cylinder to be the matrix on the bed plate, hydraulic cushion cylinder include vertical to setting up and with the bed plate dismantles the master cylinder body of formula installation and with master cylinder body intercommunication and level are to the extension cylinder body that sets up, extend the cylinder body and be used for increasing hydraulic pressure force for the master cylinder body, still install including the dismantlement formula the buffer board of master cylinder body top.

Further, the master cylinder body is in including the main cylinder jar that is used for splendid attire hydraulic oil and the slip setting main piston in the main cylinder jar, main piston is located the inside one side fixedly connected with first spring of main cylinder jar, first spring is kept away from the tip of main piston is contradicted the interior bottom side of main cylinder jar, still including fixing main piston is kept away from the piston rod of first spring one side, the end of piston rod with the buffer board dismantlement formula is connected.

Furthermore, the extension cylinder body comprises an auxiliary cylinder tank and an auxiliary piston, the end part of the auxiliary cylinder tank is fixedly connected with the outer wall of the main cylinder tank, the auxiliary piston is arranged in the auxiliary cylinder tank in a sliding mode, a second spring is fixedly connected to one side, located inside the auxiliary cylinder tank, of the auxiliary piston, the auxiliary cylinder tank is fixed to the outer side of the top, in the height direction, of the main cylinder tank, one end, far away from the main cylinder tank, of the auxiliary cylinder tank is communicated with an oil pressure pipe, and the other end of the oil pressure pipe is communicated with the bottom, in the height direction, of the main cylinder tank.

Furtherly, be the matrix on the bed plate and seted up a plurality of rectangle recesses, the main jar is kept away from the one end welded fastening of piston rod is inlayed and is established the rectangular plate in the rectangle recess, the rectangular plate is provided with two fastenings along its thickness to the hexagon socket head cap screw of rectangle recess diapire department.

Furthermore, a threaded hole is formed in the tail end of the piston rod, a screw in threaded connection with the threaded hole is arranged in the thickness direction of the buffer plate, and a rubber pad is attached to the surface of one side, far away from the piston rod, of the buffer plate.

Furthermore, tiger's mouth parts are all constructed at four corners of the base plate, and bolt through holes are formed in the tiger's mouth parts.

The utility model has the advantages as follows:

the utility model discloses an extend the buffer solution pressure that the cylinder body increases the master cylinder body, make the hydraulic pressure who is used for the buffering have great hydraulic pressure force in small-size cushion cylinder hydraulic pressure relatively, compare in great buffering pneumatic cylinder have shorter height, the high distance that the cage chair below that so have two kinds of performances can solve among the actual problem is used for the buffering of cushion cylinder is limited, the high too high unable use of buffer solution jar of a lot of big pressure, can't provide enough big hydraulic pressure's a difficult problem again when nevertheless exchanging the cushion cylinder of low pressure, tear open master cylinder body and bed plate and buffer plate simultaneously and be connected through detachable installation, make wherein can change the solution rapidly when a certain buffer solution jar damages.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2 in accordance with the present invention;

reference numerals are as follows: 1. a base plate; 101. a rectangular groove; 102. a rectangular plate; 103. a hexagon socket head cap screw; 104. the mouth of the tiger; 105. passing through a hole by a bolt; 2. a hydraulic cushion cylinder; 3. a main cylinder body; 301. a main tank; 302. a primary piston; 303. a first spring; 304. a piston rod; 305. a threaded hole; 4. an extension cylinder; 401. a sub-tank; 402. a secondary piston; 403. a second spring; 404. an oil pressure pipe; 5. a buffer plate; 6. a rubber cushion.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention will be combined below to clearly and completely describe the technical solution in the embodiments of the present invention.

As shown in fig. 1 and 3, the hydraulic buffer device for the vertical shaft elevator cradle comprises a base plate 1 installed below the cradle, a plurality of hydraulic buffer cylinders 2 are installed on the base plate 1 in a matrix-type disassembling mode, the hydraulic buffer cylinders 2 comprise a main cylinder body 3 which is vertically arranged and installed in a disassembling mode with the base plate 1 and an extension cylinder body 4 which is communicated with the main cylinder body 3 and horizontally arranged, the extension cylinder body 4 is used for increasing hydraulic pressure for the main cylinder body 3, and the hydraulic buffer device further comprises a buffer plate 5 which is detachably installed above the main cylinder body 3, and in some embodiments: increase the buffer hydraulic pressure force of main cylinder body 3 through extending cylinder body 4, make the hydraulic pressure who is used for the buffering have great hydraulic pressure force in small-size cushion cylinder hydraulic pressure relatively, it has shorter height to compare in great cushion cylinder, the high distance that the cage chair below that so has two kinds of performances and can solve among the practical problem is used for the cushion of cushion cylinder is limited, the high too high unable use of buffer cylinder of a lot of high pressure, but can't provide enough big hydraulic pressure's a difficult problem again when exchanging the cushion cylinder of low pressure, dismantle main cylinder body 3 and bed plate 1 and buffer plate 5 simultaneously and be connected through detachable installation, make wherein can change the solution rapidly when a certain buffer cylinder damages.

As shown in fig. 1, fig. 2, and fig. 3, specifically, the main cylinder 3 includes a main cylinder tank 301 for containing hydraulic oil, a main piston 302 slidably disposed in the main cylinder tank 301, a first spring 303 fixedly connected to one side of the main piston 302 located inside the main cylinder tank 301, an end of the first spring 303 far away from the main piston 302 abutting against an inner bottom side of the main cylinder tank 301, a piston rod 304 fixed to one side of the main piston 302 far away from the first spring 303, and a distal end of the piston rod 304 detachably connected to the buffer plate 5.

As shown in fig. 1, 2 and 3, in detail, the extension cylinder 4 includes a sub-cylinder 401 having an end fixedly connected to an outer wall of the main cylinder 301, and a sub-piston 402 slidably disposed in the sub-cylinder 401, the sub-piston 402 is fixedly connected to one side of the sub-cylinder 401, the sub-cylinder 401 is fixed to an outer side of a top of the main cylinder 301 in a height direction, and one end of the sub-cylinder 401 away from the main cylinder 301 is connected to an oil pressure pipe 404, and the other end of the oil pressure pipe 404 is connected to a bottom of the main cylinder 301, when the hydraulic cushion cylinder 2 operates, the specific operation principle is as follows, as shown in fig. 3, when the cushion plate 5 transmits pressure to the piston rod 304, the piston rod 304 drives the main piston 302 to move in a direction of compressing the first spring 303, and at this time, hydraulic oil in the main cylinder 301 reaches the sub-cylinder 401 along the oil pressure pipe 404, and pushes the sub-piston 402 in the sub-cylinder 401 to move in a direction of compressing the second spring 403, by the design, when the main piston 302 moves, the elastic force of the first spring 303 and the elastic force of the second spring 403 need to be overcome, meanwhile, when hydraulic oil enters the auxiliary cylinder tank 401 from the main cylinder tank 301, the flow cross section is reduced when the hydraulic oil passes through the oil pressure pipe 404, and the pressure of the hydraulic oil needs to be overcome, so that the buffer hydraulic pressure of the main cylinder 3 is increased, and meanwhile, as the auxiliary cylinder tank 401 is horizontally arranged, specifically referring to fig. 3, the height of the main cylinder tank 301 cannot be increased, and the limited buffer height below the shaking table is further adapted.

As shown in fig. 1, in some embodiments, a plurality of rectangular grooves 101 are formed in the base plate 1 in a matrix form, a rectangular plate 102 embedded in the rectangular grooves 101 is fixedly welded to one end of the master cylinder tank 301 away from the piston rod 304, two hexagon socket head bolts 103 fastened to the bottom wall of the rectangular grooves 101 are arranged on the rectangular plate 102 along the thickness direction of the rectangular plate, the rectangular plate 102 is welded to the bottom of the master cylinder tank 301 and can be used for being embedded into the rectangular grooves 101 during replacement, the hexagon socket head bolts 103 penetrate through the rectangular plate 102 after being embedded into the rectangular grooves 101, then the threads of the hexagon socket head bolts 103 are screwed into the bottom wall of the rectangular grooves 101, and during replacement, the disassembly can be completed only by screwing down the hexagon socket head bolts 103 and then pulling out the rectangular plate 102 from the rectangular grooves 101, which is very simple and convenient.

As shown in fig. 3, in some embodiments, the end of the piston rod 304 is configured with a threaded hole 305, the thickness of the buffer plate 5 is set to be the screw threaded in the threaded hole 305, and a rubber pad 6 is attached to the surface of the buffer plate 5 on the side away from the piston rod 304, it should be explained first that the screw is installed in a countersunk manner during the fixing installation, so as to prevent the cup head from protruding out of the upper surface of the buffer plate 5, which results in the rubber pad 6 not being attached, and meanwhile, the rubber pad 6 can avoid the direct rigid contact, which results in the reduction of the service life of the buffer plate 5.

As shown in fig. 1, in some embodiments, the four corners of the base plate 1 are configured with the tiger's mouth portions 104, the tiger's mouth portions 104 are opened with bolt through holes 105, and when the base plate 1 is installed below the cradle, bolts can be passed through the bolt through holes 105 to fasten the base plate 1 on the ground below the cradle.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. Vertical shaft elevator cage chair hydraulic buffer, including installing bed plate (1) in the cage chair below, its characterized in that, be the matrix on bed plate (1) and dismantle and install a plurality of hydraulic cushion jar (2), hydraulic cushion jar (2) including vertical to the setting and with bed plate (1) dismantles main cylinder body (3) of formula installation and with main cylinder body (3) intercommunication and level are to extension cylinder body (4) that set up, extend cylinder body (4) and be used for increasing hydraulic pressure power for main cylinder body (3), still install including the dismantlement formula buffer board (5) of main cylinder body (3) top.

2. The hydraulic buffer device for the vertical shaft lifter cradle according to claim 1, characterized in that the main cylinder body (3) comprises a main cylinder tank (301) for containing hydraulic oil and a main piston (302) slidably arranged in the main cylinder tank (301), the main piston (302) is positioned at one side of the inside of the main cylinder tank (301) and fixedly connected with a first spring (303), the end part of the first spring (303) far away from the main piston (302) abuts against the inner bottom side of the main cylinder tank (301), the hydraulic buffer device further comprises a piston rod (304) fixed at one side of the main piston (302) far away from the first spring (303), and the tail end of the piston rod (304) is detachably connected with the buffer plate (5).

3. The hydraulic buffer device of the vertical shaft elevator cradle according to claim 2, characterized in that the extension cylinder (4) comprises an auxiliary cylinder (401) and an auxiliary piston (402), the end part of the auxiliary cylinder is fixedly connected with the outer wall of the main cylinder (301), the auxiliary piston (402) is slidably arranged in the auxiliary cylinder (401), one side of the auxiliary piston (402) inside the auxiliary cylinder (401) is fixedly connected with a second spring (403), the auxiliary cylinder (401) is fixed on the outer side of the top of the main cylinder (301) in the height direction and one end far away from the main cylinder (301) is communicated with an oil pressure pipe (404), and the other end of the oil pressure pipe (404) is communicated with the bottom of the main cylinder (301) in the height direction.

4. The hydraulic buffer device for the vertical shaft elevator cradle according to claim 2, wherein a plurality of rectangular grooves (101) are formed in the base plate (1) in a matrix manner, a rectangular plate (102) embedded in the rectangular grooves (101) is fixed to one end, away from the piston rod (304), of the main cylinder tank (301) in a welding manner, and two hexagon socket head bolts (103) fastened to the bottom wall of the rectangular grooves (101) are arranged on the rectangular plate (102) along the thickness direction of the rectangular plate.

5. A vertical shaft elevator cage chair hydraulic buffer device according to claim 2, characterized in that the end of the piston rod (304) is configured with a threaded hole (305), the thickness of the buffer plate (5) is provided with a screw threaded in the threaded hole (305), and a rubber pad (6) is attached to the side surface of the buffer plate (5) away from the piston rod (304).

6. The hydraulic buffer device for the vertical shaft elevator cage chair as claimed in claim 1, characterized in that the four corners of the base plate (1) are each configured with a tiger mouth (104), and the tiger mouth (104) is provided with a bolt through hole (105).