CN218644569U

CN218644569U - Special oil cylinder for coal mine drilling machine

Info

Publication number: CN218644569U
Application number: CN202222646135.8U
Authority: CN
Inventors: 胡慧敏; 刘聪
Original assignee: Yangzhou Source Hydraulic Equipment Co ltd
Current assignee: Yangzhou Source Hydraulic Equipment Co ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-03-17
Anticipated expiration: 2032-10-08

Abstract

The utility model discloses a special hydro-cylinder of rig for coal mine relates to hydro-cylinder technical field, including external device, the inside movable mounting of external device has hydro-cylinder main part device, external device's outside movable mounting has heat abstractor. The utility model discloses an oil cylinder main body device has been installed, piston assembly and buffer assembly through setting up, make can be at piston assembly normal during operation, protect the piston board through buffer assembly, prevent that piston board range of motion is too big and to the harm, and simple structure, the simple operation, a heat abstractor has been installed, fin assembly and easy dismantlement subassembly through setting up, be provided with the mounting panel, the fin main part, first fixed plate, flexible post, the lug, the second fixed plate, a groove, extrusion spring and movable block, make can pass through the fin with its release with the heat of the inside production of hydro-cylinder, and two sets of fin assemblies can be demolishd through quick detachable component, reach the purpose of being convenient for install and dismantling, and is easy operation.

Description

Special oil cylinder for coal mine drilling machine

Technical Field

The utility model relates to a hydro-cylinder technical field, concretely relates to special hydro-cylinder of rig for coal mine.

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 is basically composed of a cylinder barrel and a cylinder cover, a piston and a piston rod, a sealing device, a buffering device and an exhaust device. The buffer device and the exhaust device are determined according to specific application occasions, other devices are indispensable, and in a coal mine drilling machine, energy needs to be provided through an oil cylinder, so that the oil cylinder special for the coal mine drilling machine is provided.

In the prior art, a chinese utility model patent document with publication number CN216447237U and publication date 2022, 5, month and 6 is proposed to solve the above existing technical problems, and the technical scheme disclosed in the patent document is as follows: a special five-stage oil cylinder for a drilling machine relates to the technical field of oil cylinders and comprises an oil cylinder body, wherein the bottom of the oil cylinder body is connected with a fixed seat, the bottom of the oil cylinder extends into the fixed seat, threaded holes are formed in the bottom of the oil cylinder and the periphery of the fixed seat, and the bottom of the oil cylinder is fastened with the fixed seat through bolts; the fixed seat extends into the buffer seat, a supporting plate is arranged in the buffer seat, the supporting plate is tightly attached to the inner wall of the buffer seat, and the fixed seat is placed on the supporting plate and is fixedly connected with the supporting plate; a sliding rod and a sliding block are arranged in the buffer seat, springs are sleeved at two ends of the sliding rod, the sliding block is arranged on the sliding rod in a penetrating mode, the sliding rod abuts against the sliding block, and a supporting column is arranged in the middle of the sliding rod; a connecting rod is arranged below the fixed seat and is respectively hinged with the bottom of the fixed seat and the top of the sliding block through a hinged support.

In order to solve the problem that the oil cylinder cannot dissipate heat after being used, the prior art adopts intermittent use to process the oil cylinder in a heat dissipation mode, but the situation that heat dissipation is not timely occurs, and further the problem that internal parts are damaged is caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides a special hydro-cylinder of rig for coal mine to solve the problem that provides among the above-mentioned background art.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

the oil cylinder special for the drilling machine for the coal mine comprises an external device, wherein an oil cylinder main body device is movably mounted in the external device, and a heat dissipation device is movably mounted outside the external device.

The oil cylinder main body device comprises a piston assembly, the piston assembly is arranged in an external device, and a buffering assembly is fixedly mounted at the bottom of the piston assembly.

The heat dissipation device comprises a heat dissipation sheet assembly, the heat dissipation sheet assembly is arranged on the outer wall of the external device, and the front side and the rear side of the heat dissipation sheet assembly are fixedly provided with quick-detachable assemblies.

The utility model discloses technical scheme's further improvement lies in: the external device comprises a base, wherein the top of the base is fixedly connected with an oil cylinder shell, and the top of the oil cylinder shell is fixedly connected with a top plate.

The utility model discloses technical scheme's further improvement lies in: the piston assembly comprises a piston plate, the outer wall of the piston plate is movably connected to the inner wall of the oil cylinder shell, and a piston rod is fixedly connected to the middle position of the top of the piston plate.

The utility model discloses technical scheme's further improvement lies in: the buffering assembly comprises a first buffering spring, the first buffering spring is fixedly connected to the bottom side of the oil cylinder shell, and second buffering springs are fixedly connected to the upper portion of the first buffering spring and the periphery of the bottom side, located on the top plate, of the first buffering spring.

The utility model discloses technical scheme's further improvement lies in: the cooling fin assembly comprises a mounting plate, the mounting plate is arranged on the outer wall of the oil cylinder shell, and the outer wall of the mounting plate is fixedly connected with a cooling fin main body.

The utility model discloses technical scheme's further improvement lies in: quick detachable subassembly includes first fixed plate, first fixed plate fixed connection is in mounting panel one side, the equal fixedly connected with flexible post in right side of first fixed plate, the equal fixedly connected with lug in right side of flexible post.

The utility model discloses technical scheme's further improvement lies in: quick detachable subassembly includes the second fixed plate, second fixed plate fixed connection is at the mounting panel opposite side, the left side of second fixed plate is all seted up flutedly, the equal fixedly connected with extrusion spring in both sides around the inner wall of recess, extrusion spring lean on the equal fixedly connected with movable block of interior one end, and the bottom side of movable block and the top sliding connection of recess.

Owing to adopted above-mentioned technical scheme, the utility model discloses relative prior art, the technological progress who gains is:

1. the utility model provides a special hydro-cylinder of rig for coal mine has installed a hydro-cylinder main part device on the device, through piston assembly and the buffering subassembly that sets up for can protect the piston board through the buffering subassembly at piston assembly normal during operation, prevent that piston board range of motion is too big and to the harm, and simple structure, simple operation.

2. The utility model provides a special hydro-cylinder of rig for coal mine has installed a heat abstractor on the device, through the fin subassembly and the easy dismantlement subassembly that set up for can pass through the fin with the heat of the inside production of hydro-cylinder and release it, and two sets of fin subassemblies can demolish through the quick dismantlement subassembly, reach the purpose of being convenient for install and dismantle easy operation.

Drawings

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

fig. 2 is a half-sectional view of the present invention shown in fig. 1;

fig. 3 is a schematic structural view of the quick-release assembly shown in fig. 1;

fig. 4 is a schematic structural diagram of the heat sink assembly of fig. 1 according to the present invention.

In the figure: 1. an external device; 2. a cylinder body device; 3. a heat sink; 11. a base; 12. a cylinder housing; 13. a top plate; 21. a piston assembly; 22. a buffer assembly; a1, a piston plate; a2, a piston rod; b1, a first buffer spring; b2, a second buffer spring; 31. a heat sink assembly; 32. the assembly is easy to disassemble; c1, mounting a plate; c2, a heat sink main body; d1, a first fixing plate; d2, a telescopic column; d3, a bump; e1, a second fixing plate; e2, a groove; e3, extruding the spring; e4, moving block.

Detailed Description

Referring to fig. 1-4, the present invention provides a technical solution: the oil cylinder special for the drilling machine for the coal mine comprises an external device 1, an oil cylinder main body device 2 is movably mounted inside the external device 1, and a heat dissipation device 3 is movably mounted outside the external device 1.

In this embodiment, the external device 1 includes a base 11, a cylinder housing 12 fixedly connected to a top of the base 11, and a top plate 13 fixedly connected to a top of the cylinder housing 12.

Preferably, the cylinder main body device 2 includes a piston assembly 21, the piston assembly 21 is disposed inside the external device 1, a buffer assembly 22 is fixedly mounted at the bottom of the piston assembly 21, the piston assembly 21 includes a piston plate a1, an outer wall of the piston plate a1 is movably connected to an inner wall of the cylinder housing 12, a piston rod a2 is fixedly connected to a top middle position of the piston plate a1, the buffer assembly 22 includes a first buffer spring b1, the first buffer spring b1 is fixedly connected to a bottom side of the cylinder housing 12, a second buffer spring b2 is fixedly connected to a top of the first buffer spring b1 and located around the bottom side of the top plate 13, the cylinder main body device 2 is mounted on the device, and by the piston assembly 21 and the buffer assembly 22, the piston plate a1 can be protected by the buffer assembly 22 when the piston assembly 21 normally works, the piston plate a1 is prevented from being damaged due to an excessively large movement amplitude, and the structure is simple and convenient to operate.

Further optional, heat abstractor 3 includes fin subassembly 31, fin subassembly 31 sets up on the outer wall of external device 1, the equal fixed mounting in front and back side of fin subassembly 31 has quick detachable assembly 32, fin subassembly 31 includes mounting panel c1, mounting panel c1 sets up on the outer wall of hydro-cylinder shell 12, the equal fixedly connected with fin main part c2 of outer wall of mounting panel c1, quick detachable assembly 32 includes first fixed plate d1, first fixed plate d1 fixed connection is in mounting panel c1 one side, the equal fixedly connected with flexible post d2 in right side of first fixed plate d1, the equal fixedly connected with lug d3 in right side of flexible post d2, quick detachable assembly 32 includes second fixed plate e1, second fixed plate e1 fixed connection is at mounting panel c1 opposite side, recess e2 has all been seted up in the left side of second fixed plate e1, both sides are equal fixedly connected with extrusion spring e3 around the inner wall of recess e2, the equal fixedly connected with movable block e4 in one end of extrusion spring e3, and the bottom side of movable block e4 and recess e 2's top sliding connection, the installation of heat abstractor assembly 31 that sets up through a heat abstractor assembly 31, it can be dismantled through the simple easy detachable assembly of heat sink subassembly and the easy detachable assembly 31 of dismantling the radiator assembly to pass through the quick detachable assembly 31, and dismantle the hydro-disassembly of the hydro-cylinder component and the simple operation purpose of the hydro-cylinder.

The working principle of the oil cylinder special for the coal mine drilling machine is described in detail below.

As shown in fig. 1-4, when the heat sink assemblies 31 need to be disassembled and assembled, first, the telescopic column d2 is started, the protrusion d3 is moved from right to left, so that the movable block e4 presses the pressing spring e3, and the protrusion d3 is taken out from the inside, so that the two sets of heat sink assemblies 31 are disassembled; when the piston plate a1 moves in the oil cylinder, the first buffer spring b1 at the bottom and the second buffer spring b2 at the top are protected.

The present invention has been described in detail with reference to the above general description, but it will be apparent to one of ordinary skill in the art that modifications and improvements can be made to the invention. Therefore, modifications or improvements without departing from the spirit of the invention are within the scope of the invention.

Claims

1. The special oil cylinder for the coal mine drilling machine comprises an external device (1), and is characterized in that: an oil cylinder main body device (2) is movably mounted inside the external device (1), and a heat dissipation device (3) is movably mounted outside the external device (1);

the oil cylinder main body device (2) comprises a piston assembly (21), the piston assembly (21) is arranged in the external device (1), and a buffer assembly (22) is fixedly installed at the bottom of the piston assembly (21);

the heat dissipation device (3) comprises a heat dissipation fin component (31), the heat dissipation fin component (31) is arranged on the outer wall of the external device (1), and the front side and the rear side of the heat dissipation fin component (31) are fixedly provided with quick-detachable components (32).

2. The special oil cylinder for the coal mine drilling machine according to claim 1, characterized in that: the external device (1) comprises a base (11), wherein the top of the base (11) is fixedly connected with an oil cylinder shell (12), and the top of the oil cylinder shell (12) is fixedly connected with a top plate (13).

3. The special oil cylinder for the coal mine drilling machine according to claim 1, characterized in that: piston assembly (21) include piston board (a 1), the outer wall swing joint of piston board (a 1) is on the inner wall of hydro-cylinder shell (12), the top intermediate position fixedly connected with piston rod (a 2) of piston board (a 1).

4. The special oil cylinder for the coal mine drilling machine according to claim 1, characterized in that: the buffering assembly (22) comprises a first buffering spring (b 1), the first buffering spring (b 1) is fixedly connected to the bottom side of the oil cylinder shell (12), and a second buffering spring (b 2) is fixedly connected to the periphery of the bottom side, above the first buffering spring (b 1), of the top plate (13).

5. The special oil cylinder for the coal mine drilling machine according to claim 1, characterized in that: the radiating fin component (31) comprises a mounting plate (c 1), the mounting plate (c 1) is arranged on the outer wall of the oil cylinder shell (12), and the outer wall of the mounting plate (c 1) is fixedly connected with a radiating fin main body (c 2).

6. The special oil cylinder for the coal mine drilling machine according to claim 1, characterized in that: quick detachable subassembly (32) include first fixed plate (d 1), first fixed plate (d 1) fixed connection is in mounting panel (c 1) one side, the equal fixedly connected with on right side of first fixed plate (d 1) is flexible post (d 2), the equal fixedly connected with lug (d 3) on right side of flexible post (d 2).

7. The special oil cylinder for the coal mine drilling machine according to claim 1, characterized in that: quick detachable subassembly (32) include second fixed plate (e 1), second fixed plate (e 1) fixed connection is at mounting panel (c 1) opposite side, recess (e 2) are all seted up in the left side of second fixed plate (e 1), the equal fixedly connected with extrusion spring (e 3) in both sides around the inner wall of recess (e 2), extrusion spring (e 3) lean on interior equal fixedly connected with movable block (e 4) of one end, and the bottom side of movable block (e 4) and the top sliding connection of recess (e 2).