CN216199484U

CN216199484U - Explosion-proof hydraulic cylinder

Info

Publication number: CN216199484U
Application number: CN202122555601.7U
Authority: CN
Inventors: 江文伟
Original assignee: Quanzhou Weihang Machinery Co ltd
Current assignee: Quanzhou Weihang Machinery Co ltd
Priority date: 2021-10-23
Filing date: 2021-10-23
Publication date: 2022-04-05
Anticipated expiration: 2031-10-23

Abstract

The utility model relates to an explosion-proof hydraulic oil cylinder which structurally comprises a cylinder body, a base, a flange door, a piston rod, an installation head, a first explosion-proof device, a second explosion-proof device, a piston assembly, a first explosion-proof gasket, a second explosion-proof gasket, a plurality of fixing screws and an inflating valve, the cylinder body comprises an upper chamber and a lower chamber, the first explosion-proof device comprises a cylinder body explosion-proof block, a piston rod explosion-proof column, a plurality of mounting blocks and a plurality of screw holes, the piston assembly comprises a piston body, a sealing ring and a plurality of oil way holes, the bottom of the cylinder body is welded with the middle part of the top surface of the base, the flange door is arranged at the top end of the cylinder body, one end of the piston rod penetrates through the top end of the cylinder body, the other end of the piston rod is arranged in the cavity of the cylinder body, through newly-increased explosion-proof equipment, effectually provide the protection for hydraulic cylinder, increase hydraulic cylinder's life.

Description

Explosion-proof hydraulic cylinder

Technical Field

The utility model discloses an explosion-proof hydraulic oil cylinder, and belongs to the field of hydraulic oil cylinder equipment.

Background

The hydraulic cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion). It has simple structure and reliable operation. When it is used to implement reciprocating motion, it can omit speed-reducing device, and has no transmission gap, and its motion is stable, so that it can be extensively used in various mechanical hydraulic systems. The output force of the hydraulic cylinder is in direct proportion to the effective area of the piston and the pressure difference between the two sides of the effective area; the hydraulic cylinder basically comprises a cylinder barrel, a cylinder cover, a piston rod, a sealing device, a buffering device and an exhaust device, but the prior art is single in function, and the hydraulic cylinder is not provided with an explosion-proof device when in use, and is often damaged due to external factors when in use, so that the service life is short.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide an anti-explosion hydraulic oil cylinder to solve the existing problems.

In order to achieve the purpose, the utility model is realized by the following technical scheme: an anti-explosion hydraulic oil cylinder structurally comprises a cylinder body, a base, a flange door, a piston rod, an installing head, a first anti-explosion device, a second anti-explosion device, a piston assembly, a first anti-explosion gasket, a second anti-explosion gasket, a plurality of fixing screws and an inflating valve, wherein the cylinder body comprises an upper cavity and a lower cavity, the first anti-explosion device comprises a cylinder body anti-explosion block, a piston rod anti-explosion column, a plurality of installing blocks and a plurality of screw holes, the piston assembly comprises a piston body, a sealing ring and a plurality of oil way holes, the bottom of the cylinder body and the middle of the top surface of the base are welded with each other, the flange door is installed at the top end of the cylinder body, one end of the piston rod penetrates through the top end of the cylinder body, the other end of the piston rod is installed in the cavity of the cylinder body, the installing head is installed at the top of one end of the piston rod, the first anti-explosion device is installed at the left side surface of the cylinder body, the second anti-explosion device is installed at the right side surface of the cylinder body, the first explosion-proof newspaper pad and the second explosion-proof newspaper pad are sequentially arranged on the inner side surfaces of the first explosion-proof device and the second explosion-proof device, the piston assembly is arranged at the tail part of the other end of the piston rod, the plurality of fixing screws are sequentially in threaded connection with the first explosion-proof device and the second explosion-proof device, and the valve tube penetrates through the cylinder body and is arranged at the lower end of the outer side surface of the cylinder body.

Further, according to the explosion-proof hydraulic oil cylinder, the upper cavity is arranged at the inner upper end of the cylinder body cavity, and the lower cavity is arranged at the inner lower end of the cylinder body cavity.

Further, according to the explosion-proof hydraulic oil cylinder, the explosion-proof columns of the piston rod are arranged at the front end and the rear end of the top surface of the explosion-proof block of the cylinder body, the plurality of mounting blocks are sequentially arranged on the side surfaces of the front end and the rear end of the explosion-proof block of the cylinder body, and the plurality of screw holes are sequentially arranged on the plurality of mounting blocks.

Further, according to the explosion-proof hydraulic oil cylinder, the sealing ring is arranged in the middle of the outer side face of the piston body, and the plurality of oil way holes are formed in the piston body.

Further, the first explosion-proof device and the second explosion-proof device of the explosion-proof hydraulic oil cylinder are identical in structure.

The utility model has the beneficial effects that: the bottom of the cylinder body and the middle of the top surface of the base are welded with each other, the flange door is installed at the top end of the cylinder body, one end of the piston rod penetrates through the top end of the cylinder body, the other end of the piston rod is installed in a cavity of the cylinder body, the installing head is installed at the top of one end of the piston rod, the piston assembly is installed at the tail of the other end of the piston rod, the valve pipe penetrates through the cylinder body and is installed at the lower end of the outer side surface of the cylinder body, a hydraulic oil cylinder is formed, and hydraulic energy is converted into mechanical energy through the back and forth movement of the piston rod. The hydraulic cylinder protection device is characterized in that the first explosion-proof device is arranged on the left side face of the cylinder body, the second explosion-proof device is arranged on the right side face of the cylinder body, the first explosion-proof gasket and the second explosion-proof gasket are sequentially arranged on the inner side faces of the first explosion-proof device and the second explosion-proof device, and a plurality of fixing screws are sequentially in threaded connection with the first explosion-proof device and the second explosion-proof device to form a set of explosion-proof device, so that the hydraulic cylinder is protected from being damaged externally. The front end and the rear end of the top surface of the cylinder body explosion-proof block are arranged through the piston rod explosion-proof columns, the side surfaces of the front end and the rear end of the cylinder body explosion-proof block are sequentially arranged on a plurality of mounting blocks, and a plurality of screw holes are sequentially arranged on the plurality of mounting blocks to form an explosion-proof device. Through newly-increased explosion-proof equipment, effectually provide the protection for hydraulic cylinder, increase hydraulic cylinder's life.

Drawings

FIG. 1 is a schematic structural diagram of an explosion-proof hydraulic oil cylinder of the present invention;

FIG. 2 is a schematic structural diagram of an explosion-proof device according to the present invention;

fig. 3 is a schematic view of the internal structure of the piston assembly of the present invention.

In the figure: the anti-explosion piston comprises a cylinder body 1, a base 2, a flange door 3, a piston rod 4, an installation head 5, a first anti-explosion device 6, a second anti-explosion device 7, a piston assembly 8, a first anti-explosion gasket 9, a second anti-explosion gasket 10, a plurality of fixing screws 11, a valve cock 12, an upper chamber 101, a lower chamber 102, a cylinder anti-explosion block 601, a piston rod anti-explosion column 602, a plurality of installation blocks 603, a plurality of screw holes 604, a piston body 801, a sealing ring 802 and a plurality of oil way holes 803.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

Referring to fig. 1-3, the present invention provides a technical solution of an explosion-proof hydraulic cylinder, which comprises: the structure of the explosion-proof valve comprises a cylinder body 1, a base 2, a flange door 3, a piston rod 4, a mounting head 5, a first explosion-proof device 6, a second explosion-proof device 7, a piston assembly 8, a first explosion-proof gasket 9, a second explosion-proof gasket 10, a plurality of fixing screws 11 and a valve cock 12, wherein the cylinder body 1 comprises an upper chamber 101 and a lower chamber 102, the first explosion-proof device 6 comprises a cylinder body explosion-proof block 601, a piston rod explosion-proof column 602, a plurality of mounting blocks 603 and a plurality of screw holes 604, the piston assembly 8 comprises a piston body 801, a sealing ring 802 and a plurality of oil way holes 803, the bottom of the cylinder body 1 and the middle part of the top surface of the base 2 are welded with each other, the flange door 3 is mounted at the top end of the cylinder body 1, one end of the piston rod 4 penetrates through the top end of the cylinder body 1, the other end of the piston rod 4 is mounted in the cavity of the cylinder body 1, the mounting head 5 is mounted at the top end of the piston rod 4, the first explosion-proof device 6 is arranged on the left side surface of the cylinder body 1, the second explosion-proof device 7 is arranged on the right side surface of the cylinder body 1, the first explosion-proof gasket 9 and the second explosion-proof gasket 10 are sequentially arranged on the inner side surfaces of the first explosion-proof device 6 and the second explosion-proof device 7, the piston assembly 8 is arranged at the tail part of the other end of the piston rod 4, a plurality of fixing screws 11 are sequentially in threaded connection with the first explosion-proof device 6 and the second explosion-proof device 7, the valve 12 penetrates through the cylinder body 1 and is arranged at the lower end of the outer side surface of the cylinder body 1, the upper chamber 101 is arranged at the upper end in the cavity of the cylinder body 1, the lower chamber 102 is arranged at the lower end in the cavity of the cylinder body 1, the piston rod explosion-proof columns 602 are arranged at the front and rear ends of the top surface of the cylinder body explosion-proof block 601, a plurality of mounting blocks 603 are sequentially arranged on the front and rear end side surfaces of the cylinder body explosion-proof block 601, and a plurality of screw holes 604 are sequentially arranged on a plurality of mounting blocks 603, the seal ring 802 is installed in the middle of the outer side surface of the piston body 801, the oil passage holes 803 are formed in the piston body 801, and the first explosion-proof device 6 and the second explosion-proof device 7 have the same structure.

The working principle is as follows: through 1 bottom of cylinder body and 2 top surface middle parts of base mutual welding, flange door 3 is installed on 1 top of cylinder body, 1 top of cylinder body is worn to 4 end pipe on the piston rod, 4 other ends of piston rod are installed in 1 cavity of cylinder body, installation head 5 is installed in 4 one end tops of piston rod, piston assembly 8 is installed in 4 other end afterbody of piston rod, inflating valve 12 pipe is worn cylinder body 1 and is installed in 1 lateral surface lower extreme of cylinder body, constitute a hydraulic cylinder, through 4 back and forth movements of piston rod, make hydraulic energy change into mechanical energy. Install in 1 left surface of cylinder body through first explosion-proof equipment 6, second explosion-proof equipment 7 is installed in 1 right flank of cylinder body, and first explosion-proof newspaper gasket 9 and second explosion-proof newspaper gasket 10 all install in first explosion-proof equipment 6 and second explosion-proof equipment 7 medial surface in proper order, and a plurality of set screw 11 all in proper order with first explosion-proof equipment 6 and second explosion-proof equipment 7 threaded connection, constitute one set of explosion-proof equipment to the protection hydraulic cylinder is not destroyed by the outside. The explosion-proof columns 602 of the piston rod are arranged at the front end and the rear end of the top surface of the explosion-proof block 601 of the cylinder body, the plurality of mounting blocks 603 are sequentially arranged on the side surfaces of the front end and the rear end of the explosion-proof block 601 of the cylinder body, and the plurality of screw holes 604 are sequentially arranged on the plurality of mounting blocks 603 to form the explosion-proof device.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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

1. An explosion-proof hydraulic cylinder which is characterized in that: the structure of the anti-explosion valve comprises a cylinder body (1), a base (2), a flange door (3), a piston rod (4), a mounting head (5), a first anti-explosion device (6), a second anti-explosion device (7), a piston assembly (8), a first anti-explosion gasket (9), a second anti-explosion gasket (10), a plurality of fixing screws (11) and a valve cock (12), wherein the cylinder body (1) comprises an upper chamber (101) and a lower chamber (102), the first anti-explosion device (6) comprises a cylinder body anti-explosion block (601), a piston rod anti-explosion column (602), a plurality of mounting blocks (603) and a plurality of screw holes (604), the piston assembly (8) comprises a piston body (801), a sealing ring (802) and a plurality of oil way holes (803), the bottom of the cylinder body (1) and the middle part of the top surface of the base (2) are welded with each other, the flange door (3) is mounted at the top end of the cylinder body (1), one end of the piston rod (4) penetrates through the top end of the cylinder body (1), the other end of the piston rod (4) is arranged in the cavity of the cylinder body (1), the mounting head (5) is mounted at the top of one end of the piston rod (4), the first explosion-proof device (6) is mounted on the left side surface of the cylinder body (1), the second explosion-proof device (7) is arranged on the right side surface of the cylinder body (1), the first explosion-proof gasket (9) and the second explosion-proof gasket (10) are sequentially arranged on the inner side surfaces of the first explosion-proof device (6) and the second explosion-proof device (7), the piston component (8) is arranged at the tail part of the other end of the piston rod (4), the plurality of fixing screws (11) are sequentially in threaded connection with the first explosion-proof device (6) and the second explosion-proof device (7), the inflating valve (12) pipe penetrates through the cylinder body (1) and is arranged at the lower end of the outer side surface of the cylinder body (1).

2. An explosion-proof hydraulic ram according to claim 1, characterized in that: the upper cavity (101) is arranged at the upper end in the cavity of the cylinder body (1), and the lower cavity (102) is arranged at the lower end in the cavity of the cylinder body (1).

3. An explosion-proof hydraulic ram according to claim 1, characterized in that: the explosion-proof post of piston rod (602) is located cylinder body explosion-proof piece (601) top surface front and back both ends, both ends side around cylinder body explosion-proof piece (601) is all located in proper order to a plurality of installation pieces (603), a plurality of screw holes (604) are all located in proper order on a plurality of installation pieces (603).

4. An explosion-proof hydraulic ram according to claim 1, characterized in that: the sealing ring (802) is arranged in the middle of the outer side surface of the piston body (801), and the oil way holes (803) are arranged on the piston body (801).

5. An explosion-proof hydraulic ram according to claim 1, characterized in that: the first explosion-proof device (6) and the second explosion-proof device (7) have the same structure.