CN216382074U - Tight hydro-cylinder in colliery with top convenient to dismantle - Google Patents
Tight hydro-cylinder in colliery with top convenient to dismantle Download PDFInfo
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- CN216382074U CN216382074U CN202123276891.8U CN202123276891U CN216382074U CN 216382074 U CN216382074 U CN 216382074U CN 202123276891 U CN202123276891 U CN 202123276891U CN 216382074 U CN216382074 U CN 216382074U
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Abstract
The utility model discloses a conveniently-detachable jacking oil cylinder for a coal mine, which relates to the technical field of jacking oil cylinders and comprises a jacking oil cylinder main body, wherein the jacking oil cylinder main body comprises a cylinder body, a sealing piece is fixedly arranged on the inner wall of the cylinder body, the jacking oil cylinder main body comprises a single-side oil inlet and outlet moving mechanism and a detachable fixing mechanism, and the single-side oil inlet and outlet moving mechanism comprises a rod head and an outer oil delivery pipe connecting piece. According to the utility model, by adopting the matching between the internal structures of the single-side oil inlet and outlet moving mechanisms, hydraulic oil in the oil pipe is output to one side of the piston through the oil outlet thin tube, the piston and the piston rod are pushed to move to one side, hydraulic oil is added into the oil pipe from the second oil port, the hydraulic oil is discharged from the first oil port after moving in the cylinder body, the external oil conveying pipe connecting piece, the oil pipe, the piston and the piston rod form a moving assembly, and the first oil port and the second oil port are arranged on the same side of the cylinder body, so that the oil cylinder is convenient to disassemble and maintain.
Description
Technical Field
The utility model relates to a conveniently-detachable jacking oil cylinder for a coal mine, relates to the technical field of jacking oil cylinders, and particularly relates to a conveniently-detachable jacking oil cylinder for a coal mine.
Background
The jacking oil cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and does linear reciprocating motion, and has simple structure and reliable work. When the reciprocating motion is realized by using the hydraulic jack, a speed reducer can be omitted, no transmission gap exists, and the reciprocating motion is stable, so that the hydraulic jack is widely applied to hydraulic systems of various machines, and the jacking oil cylinder also plays an important role in coal mines.
The following problems exist in the prior art:
1. when the existing jacking oil cylinder for the coal mine is designed and used, two oil ports are respectively distributed at two ends of an oil cylinder rod body, so that the moving assembly and the fixed assembly of the oil cylinder are inconvenient to integrally separate, and the oil cylinder is inconvenient to disassemble and maintain;
2. when the existing jacking oil cylinder for the coal mine is designed and used, the connection strength between the rear part of the oil cylinder and the fixed assembly is low, and along with long-term use of equipment, the inside of the device is abraded, so that the connection strength is gradually reduced, and the maintenance is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model provides a coal mine jacking oil cylinder convenient to disassemble, which aims to provide the capacity of conveniently separating a moving assembly and a fixed assembly of the oil cylinder integrally by arranging two oil ports of the oil cylinder at one side of a cylinder body, and solve the problem that the existing oil cylinder is inconvenient to disassemble and maintain; wherein another kind of purpose is in order to solve the lower problem of joint strength between the rear portion of hydro-cylinder and the fixed subassembly to reach the fastness and the reliability that increase between hydro-cylinder body overcoat shell and the fixed subassembly, improve factor of safety's effect.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
the utility model provides a tight hydro-cylinder in top for coal mine convenient to dismantle, includes the tight hydro-cylinder main part in top, the tight hydro-cylinder main part in top is including the cylinder body, fixed mounting has the sealing member on the inner wall of cylinder body, the tight hydro-cylinder main part in top is including unilateral business turn over oil moving mechanism and dismantlement formula fixed establishment.
The single-side oil inlet and outlet moving mechanism comprises a rod head and an outer oil delivery pipe connecting piece, wherein an oil pipe is fixedly arranged inside the outer oil delivery pipe connecting piece.
The detachable fixing mechanism comprises an oil cylinder base and a bolt, and a butt joint threaded hole is formed in the oil cylinder base.
The technical scheme of the utility model is further improved as follows: the inside of cylinder body is provided with the piston, one side fixedly connected with piston rod of piston, the one end of oil pipe extend to the outside of piston and with the inner wall fixed connection of piston, the one end fixed mounting of oil pipe has out the oil tubule.
The technical scheme of the utility model is further improved as follows: one side of the external oil delivery pipe connecting piece is fixedly connected with one end of the piston rod, a second oil port is formed in the top of the external oil delivery pipe connecting piece, and a first oil port is formed in the bottom of the external oil delivery pipe connecting piece.
The technical scheme of the utility model is further improved as follows: the single-side oil inlet and outlet moving mechanism comprises a rod head, one side of the rod head is fixedly connected with one side of the outer oil conveying pipe connecting piece, and a connecting hole is formed in the rod head.
The technical scheme of the utility model is further improved as follows: one end of the oil cylinder base extends to the inside of the cylinder body, a threaded through hole is formed in the cylinder body, and threads matched with the outer surface of the bolt are arranged on the inner wall of the threaded through hole.
The technical scheme of the utility model is further improved as follows: the detachable fixing mechanism comprises a nut, the bottom of the nut is fixedly connected with the top of the bolt, the bottom of the bolt extends into the butt joint threaded hole, and threads matched with the outer surface of the bolt are arranged on the inner wall of the butt joint threaded hole.
Due to the adoption of the technical scheme, compared with the prior art, the utility model has the technical progress that:
1. the utility model provides a coal mine jacking oil cylinder convenient to disassemble, which is characterized in that hydraulic oil in an oil pipe is output to one side of a piston through an oil outlet thin tube by adopting the matching of internal structures of a single-side oil inlet and outlet moving mechanism, the piston and a piston rod are pushed to move to one side, the hydraulic oil is added into the oil pipe from a second oil port, the hydraulic oil is discharged from a first oil port after moving in a cylinder body, an external oil conveying pipe connecting piece, the oil pipe, the piston and the piston rod form a moving assembly, and the first oil port and the second oil port are arranged on the same side of the cylinder body, so that the oil cylinder is convenient to disassemble and maintain.
2. The utility model provides a conveniently-detachable jacking oil cylinder for a coal mine, which is characterized in that a bolt penetrates through a threaded through hole formed in a cylinder body and extends to a butt-joint threaded hole formed in an oil cylinder base by adopting the matching between internal structures of a detachable fixing mechanism, the cylinder body and the oil cylinder base are connected into a whole, the firmness and reliability between the cylinder body and the oil cylinder base are improved, and the safety coefficient is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the structure of the present invention;
FIG. 3 is an enlarged schematic view of the present invention at configuration A;
fig. 4 is an enlarged schematic view of the structure B of the present invention.
In the figure: 1. tightly supporting the oil cylinder main body; 2. a cylinder body; 21. a seal member; 3. a piston; 31. a piston rod; 4. a single-side oil-in-out moving mechanism; 41. a club head; 42. connecting holes; 43. an external oil delivery pipe connecting piece; 44. a first oil port; 45. a second oil port; 46. an oil pipe; 461. an oil outlet thin tube; 5. a detachable fixing mechanism; 51. an oil cylinder base; 52. a threaded through hole; 53. a bolt; 54. a nut; 55. and butting the threaded holes.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
example 1
As shown in fig. 1-4, the utility model provides a conveniently-detachable tightening cylinder for a coal mine, which comprises a tightening cylinder main body 1, wherein the tightening cylinder main body 1 comprises a cylinder body 2, a sealing member 21 is fixedly installed on the inner wall of the cylinder body 2, the tightening cylinder main body 1 comprises a single-side oil inlet and outlet moving mechanism 4 and a detachable fixing mechanism 5, the single-side oil inlet and outlet moving mechanism 4 comprises a rod head 41 and an outer oil delivery pipe connecting piece 43, an oil pipe 46 is fixedly installed inside the outer oil delivery pipe connecting piece 43, the detachable fixing mechanism 5 comprises a cylinder base 51 and a bolt 53, a butt-joint threaded hole 55 is formed inside the cylinder base 51, a piston 3 is arranged inside the cylinder body 2, a piston rod 31 is fixedly connected to one side of the piston 3, one end of the oil pipe 46 extends to the outside of the piston 3 and is fixedly connected to the inner wall of the piston 3, and an oil outlet tubule 461 is fixedly installed at one end of the oil pipe 46.
In this embodiment, when the jacking cylinder body 1 is used, the hydraulic oil in the oil pipe 46 is output to one side of the piston 3 through the thin oil outlet pipe 461, the piston 3 and the piston rod 31 are pushed to move to one side, the flow direction of the hydraulic oil is changed by the change valve, and then the piston 3 is pushed back to the original position, so as to form a cycle.
Example 2
As shown in fig. 1 to 4, on the basis of embodiment 1, the present invention provides a technical solution: preferably, one side of the outer oil delivery pipe connecting piece 43 is fixedly connected with one end of the piston rod 31, the top of the outer oil delivery pipe connecting piece 43 is provided with a second oil port 45, the bottom of the outer oil delivery pipe connecting piece 43 is provided with a first oil port 44, the one-side oil inlet and outlet moving mechanism 4 comprises a rod head 41, one side of the rod head 41 is fixedly connected with one side of the outer oil delivery pipe connecting piece 43, and the inside of the rod head 41 is provided with a connecting hole 42.
In this embodiment, hydraulic oil is added from the second oil port 45 to the inside of the oil pipe 46, the hydraulic oil is discharged from the first oil port 44 after moving inside the cylinder body 2, the external oil delivery pipe connecting piece 43, the oil pipe 46, the piston 3 and the piston rod 31 form a moving assembly, and the first oil port 44 and the second oil port 45 are arranged on the same side of the cylinder body 2, so as to facilitate the disassembly and maintenance of the oil cylinder.
Example 3
As shown in fig. 1 to 4, on the basis of embodiment 1, the present invention provides a technical solution: preferably, one end of the cylinder base 51 extends to the inside of the cylinder body 2, a threaded through hole 52 is formed in the cylinder body 2, threads matched with the outer surface of the bolt 53 are arranged on the inner wall of the threaded through hole 52, the detachable fixing mechanism 5 comprises a nut 54, the bottom of the nut 54 is fixedly connected with the top of the bolt 53, the bottom of the bolt 53 extends to the inside of the butt joint threaded hole 55, and threads matched with the outer surface of the bolt 53 are arranged on the inner wall of the butt joint threaded hole 55.
In this embodiment, the bolt 53 passes through the threaded through hole 52 formed in the cylinder body 2 and extends to the butt-joint threaded hole 55 formed in the cylinder base 51, so as to connect the cylinder body 2 and the cylinder base 51 into a whole, thereby increasing the firmness and reliability between the cylinder body 2 and the cylinder base 51 and improving the safety factor.
The working principle of the easy-to-detach jacking oil cylinder for the coal mine is described in detail below.
As shown in fig. 1-4, when the jacking cylinder body 1 is in use, hydraulic oil in the oil pipe 46 is output to one side of the piston 3 through the thin oil outlet pipe 461, the piston 3 and the piston rod 31 are pushed to move to one side, the piston 3 is pushed back to the original position after the flow direction of the hydraulic oil is changed by the change valve, a circulation is formed, hydraulic oil is added into the oil pipe 46 from the second oil port 45, the hydraulic oil is discharged from the first oil port 44 after moving in the cylinder body 2, the external oil pipe connecting piece 43, the oil pipe 46, the piston 3 and the piston rod 31 form a moving assembly, the first oil port 44 and the second oil port 45 are arranged on the same side of the cylinder body 2, the disassembly of the cylinder is convenient, two oil ports of the cylinder are arranged on one side of the cylinder body, the capability of integrally separating the moving assembly from the fixed assembly of the cylinder is convenient, the bolt 53 passes through the threaded through hole 52 formed in the cylinder body 2, and extend to the butt joint screw hole 55 of seting up inside the hydro-cylinder base 51, link into an entirety with cylinder body 2 and hydro-cylinder base 51, increase the fastness and the reliability between cylinder body 2 and the hydro-cylinder base 51, improve factor of safety, increase the joint strength between the rear portion of hydro-cylinder and the fixed subassembly.
The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, modifications or improvements are within the scope of the utility model without departing from the spirit of the inventive concept.
Claims (6)
1. The utility model provides a tight hydro-cylinder in top for coal mine convenient to dismantle, includes tight hydro-cylinder main part in top (1), tight hydro-cylinder main part in top (1) is including cylinder body (2), fixed mounting has sealing member (21), its characterized in that on the inner wall of cylinder body (2): the jacking oil cylinder main body (1) comprises a single-side oil inlet and outlet moving mechanism (4) and a detachable fixing mechanism (5);
the single-side oil inlet and outlet moving mechanism (4) comprises a rod head (41) and an outer oil delivery pipe connecting piece (43), and an oil pipe (46) is fixedly arranged in the outer oil delivery pipe connecting piece (43);
the detachable fixing mechanism (5) comprises an oil cylinder base (51) and a bolt (53), and a butt joint threaded hole (55) is formed in the oil cylinder base (51).
2. The jacking oil cylinder convenient to disassemble for the coal mine according to claim 1, characterized in that: the inside of cylinder body (2) is provided with piston (3), one side fixedly connected with piston rod (31) of piston (3), the one end of oil pipe (46) extend to the outside of piston (3) and with the inner wall fixed connection of piston (3), the one end fixed mounting of oil pipe (46) has out oil tubule (461).
3. The jacking oil cylinder convenient to disassemble for the coal mine according to claim 1, characterized in that: one side of the outer oil delivery pipe connecting piece (43) is fixedly connected with one end of the piston rod (31), a second oil port (45) is formed in the top of the outer oil delivery pipe connecting piece (43), and a first oil port (44) is formed in the bottom of the outer oil delivery pipe connecting piece (43).
4. The jacking oil cylinder convenient to disassemble for the coal mine according to claim 1, characterized in that: the single-side oil inlet and outlet moving mechanism (4) comprises a rod head (41), one side of the rod head (41) is fixedly connected with one side of an outer oil conveying pipe connecting piece (43), and a connecting hole (42) is formed in the rod head (41).
5. The jacking oil cylinder convenient to disassemble for the coal mine according to claim 1, characterized in that: the one end of hydro-cylinder base (51) extends to the inside of cylinder body (2), screw thread through-hole (52) have been seted up to the inside of cylinder body (2), be provided with the screw thread with the surface looks adaptation of bolt (53) on the inner wall of screw thread through-hole (52).
6. The jacking oil cylinder convenient to disassemble for the coal mine according to claim 1, characterized in that: the detachable fixing mechanism (5) comprises a nut (54), the bottom of the nut (54) is fixedly connected with the top of a bolt (53), the bottom of the bolt (53) extends to the inside of a butt joint threaded hole (55), and threads matched with the outer surface of the bolt (53) are arranged on the inner wall of the butt joint threaded hole (55).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123276891.8U CN216382074U (en) | 2021-12-23 | 2021-12-23 | Tight hydro-cylinder in colliery with top convenient to dismantle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123276891.8U CN216382074U (en) | 2021-12-23 | 2021-12-23 | Tight hydro-cylinder in colliery with top convenient to dismantle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216382074U true CN216382074U (en) | 2022-04-26 |
Family
ID=81238097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123276891.8U Active CN216382074U (en) | 2021-12-23 | 2021-12-23 | Tight hydro-cylinder in colliery with top convenient to dismantle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216382074U (en) |
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2021
- 2021-12-23 CN CN202123276891.8U patent/CN216382074U/en active Active
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