CN212377010U

CN212377010U - Stand wear and tear hoist pneumatic cylinder

Info

Publication number: CN212377010U
Application number: CN201922089502.7U
Authority: CN
Inventors: 杨宇
Original assignee: Xuzhou Guolian Cnc Equipment Technology Co ltd
Current assignee: Xuzhou Guolian Cnc Equipment Technology Co ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2021-01-19
Anticipated expiration: 2029-11-28

Abstract

The utility model discloses a stand wear and tear hoist pneumatic cylinder in pneumatic cylinder technical field, cylinder cap on the pneumatic cylinder, the cylinder cap outside sets up the protection lasso on the pneumatic cylinder, cylinder cap bottom sets up the pneumatic cylinder shell on the pneumatic cylinder, the inside pneumatic cylinder body that sets up of pneumatic cylinder shell, all set up first bumping piece and second bumping piece between pneumatic cylinder shell and the pneumatic cylinder body, first bumping piece that subtracts sets up in pneumatic cylinder body left side, the second subtracts and dashes the piece and sets up in pneumatic cylinder body right side, the inside piston rod that sets up of pneumatic cylinder body, pneumatic cylinder shell bottom sets up cylinder cover under the pneumatic cylinder. The impact reducing block effectively reduces the collision between the hydraulic cylinder and other hydraulic elements, fundamentally reduces the friction source, reduces the abrasion of the hydraulic cylinder and prolongs the service life.

Description

Stand wear and tear hoist pneumatic cylinder

Technical Field

The utility model relates to a pneumatic cylinder technical field specifically is a stand wear and tear hoist pneumatic cylinder.

Background

The hydraulic cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and does linear reciprocating motion (or swinging motion), when the hydraulic actuating element is used for realizing reciprocating motion, a speed reducer can be omitted, a transmission gap does not exist, the hydraulic actuating element moves stably, the hydraulic actuating element is widely applied to hydraulic systems of various machines, a piston type hydraulic cylinder is widely applied to hoisting machinery, the hydraulic cylinder used in the current market has a single structure, the function is simple, only simple reciprocating motion can be performed, the hydraulic cylinder needs to bear larger pressure and friction force between a mounting frame when working, the shell of the hydraulic cylinder is extremely easy to damage after long-time use, and the service life of the hydraulic cylinder is shortened. To this end, we propose a wear resistant crane hydraulic cylinder.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hoist pneumatic cylinder that stands wear and tear to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a wear-resistant crane hydraulic cylinder comprises a hydraulic cylinder upper cylinder cover, wherein a protective ring is arranged outside the hydraulic cylinder upper cylinder cover, a sealing ring is arranged inside the hydraulic cylinder upper cylinder cover, a buffer ring is arranged at the bottom of the sealing ring, a pressure sensor is arranged at the bottom of the buffer ring, a fixing bolt is arranged at the upper part of the hydraulic cylinder upper cylinder cover, a mounting seat is arranged at the left side of the hydraulic cylinder upper cylinder cover, a control panel is arranged at the upper part of the mounting seat, an air outlet is arranged at the right side of the hydraulic cylinder upper cylinder cover, an oil return opening is arranged at the bottom of the air outlet, a hydraulic cylinder shell is arranged at the bottom of the hydraulic cylinder upper cylinder cover, a hydraulic cylinder body is arranged inside the hydraulic cylinder shell, a first shock reducing block and a second shock reducing block are arranged between the hydraulic cylinder shell and the hydraulic cylinder, the hydraulic cylinder is characterized in that a piston rod is arranged inside the hydraulic cylinder body, a guide copper sleeve is arranged at the bottom of the piston rod, a piston is arranged between the piston rod and the guide copper sleeve, a lower hydraulic cylinder cover is arranged at the bottom of the hydraulic cylinder shell, and a pressure oil inlet is formed in the right side of the lower hydraulic cylinder cover.

Preferably, the first impact reducing block is provided with a first telescopic rod, a first pressure spring is arranged on the first telescopic rod, a first limiting plate is arranged on the right side of the first pressure spring, a first limiting block is arranged on the right side of the first limiting plate, a second telescopic rod is arranged on the second impact reducing block, a second pressure spring is arranged on the second telescopic rod, a second limiting plate is arranged on the left side of the second pressure spring, and a second limiting block is arranged on the left side of the second limiting plate.

Preferably, the first impact reducing block and the second impact reducing block are both provided with two groups, the left end of the first telescopic rod is fixedly connected with the inner wall of the left end of the hydraulic cylinder shell, and the right end of the second telescopic rod is fixedly connected with the inner wall of the right end of the hydraulic cylinder shell.

Preferably, the protective ring is provided with a steel-pressed plastic layer, a synthetic fiber layer is arranged inside the steel-pressed plastic layer, and a silica gel layer is arranged between the steel-pressed plastic layer and the synthetic fiber layer.

Preferably, the protection rings are provided with two groups, and the two groups of protection rings are respectively arranged outside the upper cylinder cover of the hydraulic cylinder and the lower cylinder cover of the hydraulic cylinder.

Compared with the prior art, the beneficial effects of the utility model are that: when the hydraulic cylinder body does reciprocating motion through the piston rod, the hydraulic cylinder shell can be subjected to impact force, the first and second impact reducing blocks are respectively stressed to drive the first and second pressure springs to stretch, so that the first and second telescopic rods stretch and respectively push the first limiting plate to move towards the right side, the second limiting plate moves towards the left side, when the first limiting plate is in contact with the first limiting block and the second limiting plate is in contact with the second limiting block, the first and second telescopic rods stop stretching, and the impact between the hydraulic cylinder and other hydraulic elements is effectively reduced through the impact reducing blocks, so that the friction source is fundamentally reduced, the abrasion of the hydraulic cylinder is reduced, the service life is prolonged, the practicability is enhanced, and the manufacturing cost is reduced; the protection lasso that outside set up effectively slows down the wearing and tearing of cylinder cap, strengthens the wearability of cylinder cap, improves the pneumatic cylinder and increases holistic life.

Drawings

FIG. 1 is a schematic view of the hydraulic cylinder structure of the crane of the present invention;

FIG. 2 is an enlarged schematic view of the impact-reducing block of the present invention;

fig. 3 is a schematic view of the structure of the protection ring of the present invention.

In the figure: 1 protective ring, 111 steel-plastic layer, 112 silica gel layer, 113 synthetic fiber layer, 2 gas outlets, 3 oil return ports, 4 hydraulic cylinder bodies, 5 piston rods, 6 direction copper sheathing, 7 pressure oil inlets, 8 hydraulic cylinder lower cylinder covers, 9 pistons, 10 hydraulic cylinder shells, 11 mounting seats, 12 control panels, 13 pressure sensors, 14 hydraulic cylinder upper cylinder covers, 15 fixing bolts, 16 sealing rings, 17 buffer rings, 18 first reducing impact blocks, 181 first pressure springs, 182 first telescopic rods, 183 first limiting plates, 184 first limiting blocks, 19 second reducing impact blocks, 191 second pressure springs, 192 second telescopic rods, 193 second limiting plates, 194 second limiting blocks.

Detailed Description

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

Referring to fig. 1-3, the present invention provides a technical solution: a wear-resistant hydraulic cylinder of a crane comprises an upper cylinder cover 14 of the hydraulic cylinder, a protective ring 1 is arranged outside the upper cylinder cover 14 of the hydraulic cylinder, a sealing ring 16 is arranged inside the upper cylinder cover 14 of the hydraulic cylinder, the sealing ring 16 effectively prevents external pollution and internal oil leakage, a buffer ring 17 is arranged at the bottom of the sealing ring 16, the buffer ring 17 plays a role in buffering, a pressure sensor 13 is arranged at the bottom of the buffer ring 17, a fixing bolt 15 is arranged at the upper part of the upper cylinder cover 14 of the hydraulic cylinder, the fixing bolt 15 is arranged outside the upper end of the upper cylinder cover 14 of the hydraulic cylinder, a mounting seat 11 is arranged at the left side of the upper cylinder cover 14 of the hydraulic cylinder, the mounting seat 11 is arranged outside the upper cylinder cover 14 of the hydraulic cylinder, a control panel 12 is arranged at the upper part of the mounting seat 11, the bottom of the air outlet 2 is provided with an oil return port 3, the bottom of an upper cylinder cover 14 of the hydraulic cylinder is provided with a hydraulic cylinder shell 10, a hydraulic cylinder body 4 is arranged inside the hydraulic cylinder shell 10, a first impact reducing block 18 and a second impact reducing block 19 are respectively arranged between the hydraulic cylinder shell 10 and the hydraulic cylinder body 4, the first impact reducing block 18 is arranged on the left side of the hydraulic cylinder body 4, the second impact reducing block 19 is arranged on the right side of the hydraulic cylinder body 4, a piston rod 5 is arranged inside the hydraulic cylinder body 4, the bottom of the piston rod 5 is provided with a guide copper sleeve 6, the guide copper sleeve 6 plays a role in protecting the piston rod 5, a piston 9 is arranged between the piston rod 5 and the guide copper sleeve 6, a lower cylinder cover 8 of the hydraulic cylinder is arranged at the bottom of the hydraulic cylinder shell 10, a pressure oil inlet 7 is arranged on the right side of the lower cylinder cover, the pneumatic cylinder shell 10 can receive the impact, first subtract and dash piece 18 and second subtract and dash 19 atress respectively, make first telescopic link 182 and second telescopic link 192 flexible, effectively slow down the collision between pneumatic cylinder and other hydraulic component through this subtract and dash the piece, fundamentally slows down the friction source, reduce the wearing and tearing of pneumatic cylinder, improve life, the reinforcing practicality reduces manufacturing cost, pressure oil pours into from pressure oil inlet 7, piston rod 5 moves about the top and bottom and drives pressure oil and discharge from oil return opening 3, make a round trip to do reciprocating motion.

The first impact reducing block 18 is provided with a first telescopic rod 182, the first telescopic rod 182 is provided with a first pressure spring 181, the right side of the first pressure spring 181 is provided with a first limiting plate 183, the right side of the first limiting plate 183 is provided with a first limiting block 184, the first limiting block 184 is arranged on the left side and the right side of the right end of the first telescopic rod 182, the first impact reducing block 18 is stressed to drive the first pressure spring 181 to extend and retract, so that the first telescopic rod 182 extends and retracts, the first limiting plate 183 is pushed to move towards the right side, when the first limiting plate 183 is in contact with the first limiting block 184, the first telescopic rod 182 stops extending and retracting, a friction source can be fundamentally reduced, and the abrasion of a hydraulic cylinder;

the second impact reducing block 19 is provided with a second telescopic rod 192, a second pressure spring 191 is arranged on the second telescopic rod 192, a second limiting plate 193 is arranged on the left side of the second pressure spring 191, a second limiting block 194 is arranged on the left side of the second limiting plate 193, the second limiting block 194 is arranged on the left side and the right side of the left end of the second telescopic rod 192, the second impact reducing block 19 is stressed to drive the second pressure spring 191 to extend and retract, so that the second telescopic rod 192 extends and retracts, the second limiting plate 193 is pushed to move towards the left side, and when the second limiting plate 193 is in contact with the second limiting block 194, the second telescopic rod 192 stops extending and retracting, so that the friction source can be fundamentally reduced, and the abrasion of;

the first impact reducing block 18 and the second impact reducing block 19 are respectively provided with two groups, the left end of the first telescopic rod 182 is fixedly connected with the inner wall of the left end of the hydraulic cylinder shell 10, the right end of the second telescopic rod 192 is fixedly connected with the inner wall of the right end of the hydraulic cylinder shell 10, and the hydraulic cylinder shell 10 can be impacted, so that the first impact reducing block 18 and the second impact reducing block 19 are stressed to extend and retract respectively;

the protective ferrule 1 is provided with a steel-pressed plastic layer 111, a synthetic fiber layer 113 is arranged inside the steel-pressed plastic layer 111, and a silica gel layer 112 is arranged between the steel-pressed plastic layer 111 and the synthetic fiber layer 113, so that the protective ferrule 1 effectively slows down the abrasion of the cylinder cover, enhances the abrasion resistance of the cylinder cover, and prolongs the service life of the whole hydraulic cylinder;

the protection lasso 1 is equipped with two sets ofly, and two sets of protection lassos 1 are installed respectively in cylinder head 14 on the pneumatic cylinder and the 8 outsides of cylinder head under the pneumatic cylinder, and the wearing and tearing of cylinder head are effectively slowed down to the protection lasso 1 of outside setting.

The working principle is as follows: when the hydraulic cylinder is installed in a hydraulic system, during operation, the piston rod 5 drives the piston 9 to move up and down, when the cylinder body 4 of the hydraulic cylinder makes reciprocating motion through the piston rod 5, the hydraulic cylinder shell 10 is subjected to impact force, the first impact reducing block 18 and the second impact reducing block 19 are respectively stressed to drive the first pressure spring 181 and the second pressure spring 191 to expand and contract, so that the first telescopic rod 182 and the second telescopic rod 192 expand and contract to respectively push the first limiting plate 183 to move towards the right side and the second limiting plate 193 to move towards the left side, when the first limiting plate 183 is in contact with the first limiting block 184 and the second limiting plate 193 is in contact with the second limiting block 194, the first telescopic rod 182 and the second telescopic rod 192 stop expanding and contracting, thereby fundamentally reducing the friction source, reducing the abrasion of the hydraulic cylinder, injecting pressure oil from the pressure oil inlet 7, and driving the pressure oil to be discharged from the oil return port 3 by the up and down movement, the protection ring 1 arranged outside effectively slows down the abrasion of the cylinder cover.

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

Claims

1. The utility model provides a stand wear and tear hoist pneumatic cylinder, includes cylinder head (14) on the pneumatic cylinder, its characterized in that: the protective ring (1) is arranged outside the upper cylinder cover (14) of the hydraulic cylinder, the sealing ring (16) is arranged inside the upper cylinder cover (14) of the hydraulic cylinder, the buffering ring (17) is arranged at the bottom of the sealing ring (16), the pressure sensor (13) is arranged at the bottom of the buffering ring (17), the fixing bolt (15) is arranged on the upper part of the upper cylinder cover (14) of the hydraulic cylinder, the mounting seat (11) is arranged on the left side of the upper cylinder cover (14) of the hydraulic cylinder, the control panel (12) is arranged on the upper part of the mounting seat (11), the gas outlet (2) is arranged on the right side of the upper cylinder cover (14) of the hydraulic cylinder, the oil return port (3) is arranged at the bottom of the gas outlet (2), the hydraulic cylinder shell (10) is arranged at the bottom of the upper cylinder cover (14) of the hydraulic cylinder, the hydraulic cylinder body (4) is arranged inside the hydraulic, the hydraulic cylinder is characterized in that the first damping block (18) is arranged on the left side of the hydraulic cylinder body (4), the second damping block (19) is arranged on the right side of the hydraulic cylinder body (4), a piston rod (5) is arranged inside the hydraulic cylinder body (4), a guide copper sleeve (6) is arranged at the bottom of the piston rod (5), a piston (9) is arranged between the piston rod (5) and the guide copper sleeve (6), a hydraulic cylinder lower cylinder cover (8) is arranged at the bottom of a hydraulic cylinder shell (10), and a pressure oil inlet (7) is arranged on the right side of the hydraulic cylinder lower cylinder cover (8).

2. A wear resistant crane cylinder as claimed in claim 1 wherein: the first reducing impact block (18) is provided with a first telescopic rod (182), a first pressure spring (181) is arranged on the first telescopic rod (182), a first limiting plate (183) is arranged on the right side of the first pressure spring (181), a first limiting block (184) is arranged on the right side of the first limiting plate (183), the second reducing impact block (19) is provided with a second telescopic rod (192), a second pressure spring (191) is arranged on the second telescopic rod (192), a second limiting plate (193) is arranged on the left side of the second pressure spring (191), and a second limiting block (194) is arranged on the left side of the second limiting plate (193).

3. A wear resistant crane cylinder as claimed in claim 2 wherein: the hydraulic cylinder is characterized in that the first impact reducing block (18) and the second impact reducing block (19) are arranged in two groups, the left end of the first telescopic rod (182) is fixedly connected with the inner wall of the left end of the hydraulic cylinder shell (10), and the right end of the second telescopic rod (192) is fixedly connected with the inner wall of the right end of the hydraulic cylinder shell (10).

4. A wear resistant crane cylinder as claimed in claim 1 wherein: the protective collar (1) is provided with a steel-pressed plastic layer (111), a synthetic fiber layer (113) is arranged inside the steel-pressed plastic layer (111), and a silica gel layer (112) is arranged between the steel-pressed plastic layer (111) and the synthetic fiber layer (113).

5. A wear resistant crane cylinder as claimed in claim 1 wherein: the protective rings (1) are arranged in two groups, and the two groups of protective rings (1) are respectively arranged outside the upper cylinder cover (14) and the lower cylinder cover (8) of the hydraulic cylinder.