CN212079784U - Pneumatic pressure cylinder - Google Patents
Pneumatic pressure cylinder Download PDFInfo
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- CN212079784U CN212079784U CN202020482178.5U CN202020482178U CN212079784U CN 212079784 U CN212079784 U CN 212079784U CN 202020482178 U CN202020482178 U CN 202020482178U CN 212079784 U CN212079784 U CN 212079784U
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Abstract
A pneumatic pressure cylinder belongs to pressure cylinders. The pressure cylinder of the pneumatic pressure cylinder consists of a working cylinder and a driving cylinder, the output end of the working cylinder is connected with an output device, the input end of the working cylinder is connected with a proportioning device, and the output end of a main reversing valve is connected to two sides of a piston of the driving cylinder; a stroke output rod is arranged in the driving cylinder, a push-pull connecting rod is connected to the outer side end of the stroke output rod, and the output end of the push-pull connecting rod is connected with the driving end of the pilot reversing valve; the air source is directly connected with the air inlets of the pilot reversing valve and the main reversing valve, two working ports of the pilot reversing valve are respectively connected with two air control ports of the main reversing valve, two working ports of the main reversing valve are respectively connected with two air inlets of the driving cylinder, and exhaust ports of the pilot reversing valve and the main reversing valve are respectively connected with a silencer. The advantages are that: the water pressure can be used at both high and low levels; a pipeline-free water source can also be used; the volume is small, and the movement is convenient; emulsified oil is reliably proportioned, and the proportioning concentration can be selected in two grades; no waste water is left on the ground; is convenient to use.
Description
Technical Field
The utility model relates to a pressure cylinder, especially a pneumatic pressure cylinder.
Background
In the underground coal mine, single pillars are often used for temporary support during roadway maintenance, tunneling, hole cutting, corner coal mining, emergency rescue and disaster relief. At present, a single prop adopted by temporary support is a hydraulic prop lifter or an emulsion pump station, and compared with the emulsion pump station, the hydraulic prop lifter has the advantages of small volume, light weight, low noise and obvious advantages, and is popular. However, hydraulic lifters are not applicable in several situations: 1. The water pressure is low. The hydraulic column lifting device has requirements on the pressure of a water source, and when the water pressure on site is too low, the hydraulic column lifting device cannot be used when the water pressure is lower than a certain pressure; 2. no pipeline water source. The pipeline without water source on site can not be used for providing a pressure water source necessary for the operation of the hydraulic column lifter; 3. field management does not allow for a surface-flooded environment. Some units do not allow ground water flow in field management, and particularly cannot be used in standardized construction and assessment.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a pneumatic pressure cylinder solves current water conservancy post lifting ware and does not have the water source pipeline and do not have the place of pressure water source or though there is the pressure water source but on-the-spot ground does not allow trickling to abandon water and the problem of unable work at the job site.
The purpose of the utility model is realized like this: the pneumatic pressure cylinder includes: the device comprises a pressure cylinder, a stroke output rod, a pilot reversing valve, a main reversing valve, a silencer, an output device and a proportioning device;
the booster cylinder is composed of a working cylinder and a driving cylinder, the output end of the working cylinder is connected with an output device, the input end of the working cylinder is connected with a proportioning device, and two working ports of the main reversing valve are respectively connected to two sides of a piston of the driving cylinder to drive the piston to move; a stroke output rod is arranged in the driving cylinder, a push-pull connecting rod is connected to the outer side end of the stroke output rod, the output end of the push-pull connecting rod is connected with the driving end of the pilot reversing valve, and the push-pull pilot reversing valve performs reversing action;
the air source is directly connected with the air inlets of the pilot reversing valve and the main reversing valve, two working ports of the pilot reversing valve are respectively connected with two air control ports of the main reversing valve, two working ports of the main reversing valve are respectively connected with two air inlets of the driving cylinder, and exhaust ports of the pilot reversing valve and the main reversing valve are respectively connected with a silencer.
A driving piston is arranged in the driving cylinder, a working piston is arranged in the working cylinder, the working piston divides the working cylinder into a high-pressure output cavity and an emulsified oil input cavity, an output end is arranged on the high-pressure output cavity, and an input end is arranged on the emulsified oil input cavity; the piston rod of the driving piston and the piston rod of the working piston are connected into a whole, and the piston rod of the driving piston drives the working piston to realize linkage together when the driving piston moves.
The output device comprises: the check valve, the first check valve and the second check valve; the inlet of the one-way valve, the inlet of the second one-way valve and the inlet of the third one-way valve are connected with a water source pipeline, and the inlet of the first one-way valve is connected with the outlet of the second one-way valve and the output end of the working cylinder;
the outlet of the second proportioning one-way valve and the outlet of the third proportioning one-way valve are connected with the inlet of the second one-way valve and the inlet of the third one-way valve;
the outlet of the one-way valve is connected with the outlet of the first one-way valve and the outlet of the fourth one-way valve and is the output end of the pneumatic pressure cylinder.
The output device comprises: the slurry tank comprises a first one-way valve, a second one-way valve, a third one-way valve, a fourth one-way valve and a slurry tank; the inlet of the first one-way valve is connected with the outlet of the second one-way valve and the output end of the working cylinder, and the inlet of the second one-way valve is communicated with the slurry tank through a pipeline.
The proportioning device comprises: the device comprises a first proportioning one-way valve, a second proportioning one-way valve, a third proportioning one-way valve, a fourth proportioning one-way valve and an emulsified oil pool;
the inlet of the first proportioning one-way valve is communicated with the emulsified oil pool through a pipeline, the outlet of the first proportioning one-way valve is connected with the inlet of the second proportioning one-way valve, and the connecting point is connected with the input end of the working cylinder.
And the cavity C and the cavity D of the working cylinder are directly connected with the lubricant/cleaning agent pool.
The automatic reversing mechanism has the beneficial effects that compressed air enters the driving cavity for driving, when the stroke is about to finish, the driving piston pushes the stroke output rod, the stroke output rod pushes and pulls the pilot reversing valve to reverse through the connecting rod mechanism, then the main reversing valve reverses to complete the air inlet and exhaust change of the driving cavity, the automatic reversing of the pressure cylinder is realized, and finally the automatic alternate output of the cavity A of the high-pressure output cavity and the cavity B of the high-pressure output cavity is realized. When the water pressure is high, the one-way valve is opened, and water directly enters the single prop to accelerate the prop lifting speed; when the water pressure is low, the one-way valve is automatically closed, even in places without pipeline water sources, water in the temporary water container can be put into use, and exhausted gas is discharged into the atmosphere after noise reduction. The problem of current water conservancy post lifting ware in the local unable work at job site pipeline water source pressure not enough and not having the pipeline water source is solved, the exhaust gets into the atmosphere, and ground does not have abandons water, has reached the utility model discloses a purpose.
The pneumatic pressure cylinder has the advantages that: 1. the water pressure can be used at both high and low levels; 2. a pipeline-free water source can also be used; 3. the volume is small, the weight is light, and the movement is convenient; 4. emulsified oil is reliably proportioned, and the proportioning concentration can be selected in two grades; 5. No waste water is left on the ground; 6. has no operation and convenient use.
Description of the drawings:
fig. 1 is a structural diagram of embodiment 1 of the present invention.
Fig. 2 is a structural diagram of embodiment 2 of the present invention.
In the figure: 1. a one-way valve; 2. a booster cylinder; 3. a stroke output rod; 4. a main directional control valve; 5. a muffler; 6. a pilot operated directional control valve.
1-1, a first one-way valve; 1-2, a second one-way valve; 1-3, a third one-way valve; 1-4, a fourth one-way valve; 1-5, and a slurry tank.
2-1, a first proportioning one-way valve; 2-2, a second proportioning one-way valve; 2-3, a third proportioning one-way valve; 2-4, a fourth proportioning one-way valve; 2-5, an emulsified oil pool; 2-6, lubricant/cleaner pool.
Detailed Description
Example 1: the pneumatic pressure cylinder includes: the device comprises a pressure cylinder 2, a stroke output rod 3, a pilot reversing valve 6, a main reversing valve 4, a silencer 5, an output device and a proportioning device;
the booster cylinder is composed of a working cylinder and a driving cylinder, the output end of the working cylinder is connected with an output device, the input end of the working cylinder is connected with a proportioning device, and two working ports of the main reversing valve 4 are respectively connected to two sides of a piston of the driving cylinder to drive the piston to move; a stroke output rod 3 is arranged in the driving cylinder, a push-pull connecting rod is connected to the outer side end of the stroke output rod 3, the output end of the push-pull connecting rod is connected with the driving end of a pilot reversing valve 6, and the push-pull pilot reversing valve 6 performs reversing action;
the air source is directly connected with the air inlets of the pilot reversing valve 6 and the main reversing valve 4, two working ports of the pilot reversing valve 6 are respectively connected with two air control ports of the main reversing valve 4, two working ports of the main reversing valve 4 are respectively connected with two air inlets of the driving cylinder, and exhaust ports of the pilot reversing valve 6 and the main reversing valve 4 are respectively connected with the silencer 5.
The booster cylinder is internally provided with a driving piston, the working cylinder is internally provided with a working piston, the working piston divides the working cylinder into a high-pressure output cavity and an emulsified oil input cavity, the high-pressure output cavity is provided with an output end, and the emulsified oil input cavity is provided with an input end; the piston rod of the driving piston and the piston rod of the working piston are connected into a whole, and the piston rod of the driving piston drives the working piston to realize linkage together when the driving piston moves.
Two ends of a driving cylinder of the pressure cylinder are connected with working cylinders; the driving piston in the driving cylinder divides the driving cylinder into a driving cylinder E cavity and a driving cylinder F cavity; the working cylinder connected to the two ends of the driving cylinder is divided into a high-pressure output cavity A, a high-pressure output cavity B, an emulsified oil input cavity C and an emulsified oil input cavity D by working pistons of the working cylinder.
The output device have two sets, the structure is the same, include: the check valve comprises a check valve 1, a first check valve 1-1, a second check valve 1-2, a third check valve 1-3 and a fourth check valve 1-4; the water source pipeline is connected with an inlet of the one-way valve 1 and inlets of the second one-way valve 1-2 and the third one-way valve 1-3, and an inlet of the first one-way valve 1-1 is connected with an outlet of the second one-way valve 1-2 and a cavity A of a high-pressure output cavity of the working cylinder; the outlet of the third one-way valve 1-3 is connected with the inlet of the fourth one-way valve 1-4 and the cavity B of the high-pressure output cavity of the working cylinder.
The outlet of the second proportioning one-way valve 2-2 and the outlet of the third proportioning one-way valve 2-3 are connected with the inlet of the second one-way valve 1-2 and the inlet of the third one-way valve 1-3.
The outlet of the one-way valve 1, the outlet of the first one-way valve 1-1 and the outlet of the fourth one-way valve 1-4 are connected and are output ends of the pneumatic booster cylinder.
The proportioning device have two sets ofly, the structure is the same, includes: the device comprises a first proportioning one-way valve 2-1, a second proportioning one-way valve 2-2, a third proportioning one-way valve 2-3, a fourth proportioning one-way valve 2-4 and an emulsified oil pool 2-5.
Inlets of the first proportioning one-way valve 2-1 and the fourth proportioning one-way valve 2-4 are communicated with an emulsified oil pool 2-5 through a pipeline, an outlet of the first proportioning one-way valve 2-1 is connected with an inlet of the second proportioning one-way valve 2-2, and the connecting point is connected with a cavity C of an emulsified oil input cavity of the working cylinder. The outlet of the fourth proportioning one-way valve 2-4 is connected with the inlet of the third proportioning one-way valve 2-3, and the connecting point is connected with the emulsified oil input cavity D of the working cylinder.
The cylinder diameter E cavity and the cylinder diameter F cavity of the booster cylinder driving cylinder are larger than the high-pressure output cavity A cavity and the high-pressure output cavity B cavity of the working cylinder and the emulsifier input cavity C cavity and the emulsifier input cavity D cavity of the working cylinder. Compressed air is introduced into the cavity E and the cavity F of the driving cylinder to drive the driving piston, the cavity A and the cavity B of the high-pressure output cavity alternately output pressurized high-pressure emulsion, and the cavity C and the cavity D of the emulsified oil input cavity are used for proportioning emulsified oil.
When the input water pressure is high, the one-way valve 1 is opened, and the high-pressure water directly enters the single prop to accelerate the prop lifting speed; when the input water pressure is low, the check valve 1 is automatically closed. When the emulsion is output from the cavity A of the high-pressure output cavity, the cavity B of the high-pressure output cavity sucks water and the emulsion discharged from the cavity D; when the emulsion is output from the cavity B of the high-pressure output cavity, the water and the emulsified oil discharged from the cavity C are sucked into the cavity A of the high-pressure output cavity. Therefore, the water in the temporary water container can be put into use in places without pipeline water sources.
The stroke output rod 3 extends into the cylinder body, when the stroke is about to end, the piston pushes the stroke output rod, the stroke output rod pushes and pulls the pilot reversing valve 6 to reverse through the connecting rod mechanism, then the main reversing valve 4 reverses, the air inlet or exhaust direction of the E cavity and the F cavity of the driving cylinder is changed, the automatic reversing of the pressure cylinder is realized, and the automatic alternate output of the A cavity and the B cavity of the high-pressure output cavity is finally realized.
When the emulsified oil input cavity C and the cavity D are both connected, the emulsion output by the output end of the pneumatic booster cylinder is high-concentration emulsion; when only one of the cavity C and the cavity D of the emulsified oil input cavity is connected, the emulsion output by the output end of the pneumatic booster cylinder is low-concentration emulsion; when the emulsified oil input cavity C and the cavity D are not connected, only high-pressure water is output by the output end of the pneumatic booster cylinder, and the pneumatic booster sprayer or the pneumatic booster cleaning machine becomes a pneumatic booster sprayer or a pneumatic booster cleaning machine and can be used for spraying or washing other places.
The silencer is used for reducing noise of the discharged gas and then discharging the gas into the atmosphere. The driving chamber is exhausted with air instead of water, and the ground is free of waste water.
Example 2: the output device have two sets, the structure is the same, include: a first one-way valve 1-1, a second one-way valve 1-2, a third one-way valve 1-3, a fourth one-way valve 1-4 and a slurry tank 1-5; an inlet of the first one-way valve 1-1 is connected with an outlet of the second one-way valve 1-2 and an output end cavity A of the working cylinder, and an inlet of the second one-way valve 1-2 is communicated with the slurry tank 1-5 through a pipeline; the outlet of the third one-way valve 1-3 is connected with the inlet of the fourth one-way valve 1-4 and the output end B of the working cylinder, and the inlet of the third one-way valve 1-3 is communicated with the slurry tank 1-5 through a pipeline.
The lubricating/cleaning device has two groups with the same structure, the working cylinder C cavity and the working cylinder D cavity are directly connected with the lubricating/cleaning agent pool 2-6, and the lubricating/cleaning agent is pumped and discharged to lubricate/clean the working cylinder barrel.
When the pneumatic pressurization grouting machine works, when the cavity A of the high-pressure output cavity sucks slurry, the cavity B of the high-pressure output cavity outputs the slurry, and the pneumatic pressurization grouting machine is used as the pneumatic pressurization grouting machine; the cavity A of the high-pressure output cavity sucks in the coating, and the cavity B of the high-pressure output cavity outputs the coating and is used as a pneumatic pressurizing spraying machine.
Otherwise, the procedure was as in example 1.
Claims (6)
1. A pneumatic pressure cylinder is characterized in that: the pneumatic pressure cylinder includes: the device comprises a pressure cylinder, a stroke output rod, a pilot reversing valve, a main reversing valve, a silencer, an output device and a proportioning device;
the booster cylinder is composed of a working cylinder and a driving cylinder, the output end of the working cylinder is connected with an output device, the input end of the working cylinder is connected with a proportioning device, and two working ports of the main reversing valve are respectively connected to two sides of a piston of the driving cylinder to drive the piston to move; a stroke output rod is arranged in the driving cylinder, a push-pull connecting rod is connected to the outer side end of the stroke output rod, the output end of the push-pull connecting rod is connected with the driving end of the pilot reversing valve, and the push-pull pilot reversing valve performs reversing action;
the air source is directly connected with the air inlets of the pilot reversing valve and the main reversing valve, two working ports of the pilot reversing valve are respectively connected with two air control ports of the main reversing valve, two working ports of the main reversing valve are respectively connected with two air inlets of the driving cylinder, and exhaust ports of the pilot reversing valve and the main reversing valve are respectively connected with a silencer.
2. The pneumatic booster cylinder of claim 1, wherein: the booster cylinder is internally provided with a driving piston, the working cylinder is internally provided with a working piston, the working piston divides the working cylinder into a high-pressure output cavity and an emulsified oil input cavity, the high-pressure output cavity is provided with an output end, and the emulsified oil input cavity is provided with an input end; the piston rod of the driving piston and the piston rod of the working piston are connected into a whole, and the piston rod of the driving piston drives the working piston to realize linkage together when the driving piston moves.
3. The pneumatic booster cylinder of claim 1, wherein: the output device comprises: the check valve, the first check valve and the second check valve; the inlet of the one-way valve, the inlet of the second one-way valve and the inlet of the third one-way valve are connected with a water source pipeline, and the inlet of the first one-way valve is connected with the outlet of the second one-way valve and the output end of the working cylinder;
the outlet of the second proportioning one-way valve and the outlet of the third proportioning one-way valve are connected with the inlet of the second one-way valve and the inlet of the third one-way valve;
the outlet of the one-way valve is connected with the outlet of the first one-way valve and the outlet of the fourth one-way valve and is the output end of the pneumatic pressure cylinder.
4. The pneumatic booster cylinder of claim 1, wherein: the output device comprises: the slurry tank comprises a first one-way valve, a second one-way valve, a third one-way valve, a fourth one-way valve and a slurry tank; the inlet of the first one-way valve is connected with the outlet of the second one-way valve and the output end of the working cylinder, and the inlet of the second one-way valve is communicated with the slurry tank through a pipeline.
5. The pneumatic booster cylinder of claim 1, wherein: the proportioning device comprises: the device comprises a first proportioning one-way valve, a second proportioning one-way valve, a third proportioning one-way valve, a fourth proportioning one-way valve and an emulsified oil pool;
the inlet of the first proportioning one-way valve is communicated with the emulsified oil pool through a pipeline, the outlet of the first proportioning one-way valve is connected with the inlet of the second proportioning one-way valve, and the connecting point is connected with the input end of the working cylinder.
6. The pneumatic booster cylinder of claim 1, wherein: and the cavity C and the cavity D of the working cylinder are directly connected with the lubricant/cleaning agent pool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020482178.5U CN212079784U (en) | 2020-04-06 | 2020-04-06 | Pneumatic pressure cylinder |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020482178.5U CN212079784U (en) | 2020-04-06 | 2020-04-06 | Pneumatic pressure cylinder |
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| CN212079784U true CN212079784U (en) | 2020-12-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339337A (en) * | 2021-05-18 | 2021-09-03 | 固特威尔科技发展(天津)有限公司 | Automatic supercharging device without emission |
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2020
- 2020-04-06 CN CN202020482178.5U patent/CN212079784U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339337A (en) * | 2021-05-18 | 2021-09-03 | 固特威尔科技发展(天津)有限公司 | Automatic supercharging device without emission |
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