CN203476356U - Portable single hydraulic prop type liquid supply device - Google Patents
Portable single hydraulic prop type liquid supply device Download PDFInfo
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- CN203476356U CN203476356U CN201320423600.XU CN201320423600U CN203476356U CN 203476356 U CN203476356 U CN 203476356U CN 201320423600 U CN201320423600 U CN 201320423600U CN 203476356 U CN203476356 U CN 203476356U
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Abstract
The utility model discloses a portable single hydraulic prop type liquid supply device which comprises a single hydraulic prop, an operating valve, a pressure cylinder and a liquid tank, wherein the operating valve is provided with a water inlet pipe and a water outlet pipe; the pressure cylinder comprises a large hydraulic cylinder and a small hydraulic cylinder which are communicated with each other; a first piston in the large hydraulic rod is connected with a second piston in the small hydraulic cylinder through a connecting rod; the first piston and the second piston are used for dividing the pressure cylinder into a left cavity, a middle cavity and a right cavity; the left cavity and the middle cavity are respectively connected with the operating valve through a first pipeline and a second pipeline; the right cavity is connected with the liquid tank through a third pipeline; a hydraulic control one-way valve is arranged on the third pipeline; a fourth pipeline is arranged between the right cavity and the hydraulic control one-way valve and is connected with a lower cavity of the single hydraulic prop. The liquid supply device is small in size, light in weight, convenient to carry and move, easy to operate, energy-saving, material-saving, high in economic benefit and suitable for roadways with poorer geological conditions, large pressure or local temporary support.
Description
Technical field
The utility model relates to coal mine machinery field, is specially a kind of portable hydraulic prop liquid feed device.
Background technology
The old mine high for ore deposit age, mining depth is dark, and mining depth reaches-1000 m, arrives and belongs to " three is soft " coal seam, and geological conditions is poor.The tunnel of digging is subject to the impact that press on top, end distension and two is helped extruding, and deflection is larger, to safety in production, has brought very large threat.For guaranteeing the safety in production of mine, need carry out advance support to the tunnel of new digging, strained old working road is re-started to maintenance.
The required highly pressurised liquid of hydraulic prop that supporting is used is generally to be supplied with by emulsion power pack.Owing to needing, the roadway deformation amount of supporting is large, shorter, and emulsion power pack volume is larger, is transported to supporting point difficulty very large, for emulsion power pack provides power supply, also needs to drop into certain equipment, also will consume a large amount of electric energy simultaneously.If adopt high-pressure rubber pipe that highly pressurised liquid is delivered to supporting point, need the pipeline grown very much, expense is higher.
Utility model content
The technical problem that the utility model solves is to provide a kind of portable hydraulic prop liquid feed device, to solve the problem proposing in above-mentioned background technology.
The technical problem that the utility model solves realizes by the following technical solutions:
Portable hydraulic prop liquid feed device, comprise hydraulic prop, operating valve, pressurized cylinder and liquid case, described operating valve is provided with water inlet pipe and gutter, described pressurized cylinder is comprised of the large hydraulic cylinder and the small cylinder that are communicated with, first piston in large hydraulic cylinder is connected with the second piston in small cylinder by connecting rod, above-mentioned first piston, the second piston is divided into left chamber by pressurized cylinder, lumen and right chamber, described left chamber, lumen is respectively by the first pipeline, second pipe is connected with operating valve, described right chamber is connected with liquid case by the 3rd pipeline, described the 3rd pipeline is provided with hydraulic control one-way valve, between right chamber and hydraulic control one-way valve, being provided with the 4th pipeline is connected with hydraulic prop cavity of resorption, described the 4th pipeline is provided with two high pressure one way valves, between high pressure one way valve, be provided with pressure meter, described pressure meter is connected with second pipe by the 5th pipeline, described the 5th pipeline is provided with low pressure check valve.
As a kind of optimization of above technical scheme, above-mentioned pressurized cylinder, high pressure one way valve, low pressure check valve, hydraulic control one-way valve are all arranged in liquid case.
As a kind of optimization of above technical scheme, described operating valve is three-position four-way valve.
As a kind of optimization of above technical scheme, described hydraulic control one-way valve is connected with the entrance point of low pressure check valve.
Beneficial effect
The utility model volume is little, lightweight, carrying conveniently moving, simple to operate and energy-saving material-saving, improved economic benefit, is applicable to that geological conditions is poor, pressure is large or the tunnel of local temporary lining.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
The specific embodiment
In order to make of the present utility modelly to realize technological means, creation characteristic, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
As shown in Figure 1, portable hydraulic prop liquid feed device, comprise hydraulic prop 1, operating valve 3, pressurized cylinder 2 and liquid case 4, described operating valve 3 is provided with water inlet pipe 32 and gutter 31, described pressurized cylinder 2 is comprised of the large hydraulic cylinder and the small cylinder that are communicated with, first piston 25 in large hydraulic cylinder is connected with the second piston 24 in small cylinder by connecting rod 26, above-mentioned first piston 25, the second piston 24 is divided into left chamber 21 by pressurized cylinder 2, lumen 22 and right chamber 23, described left chamber 21, lumen 22 is respectively by the first pipeline 9, second pipe 10 is connected with operating valve 3, described right chamber 23 is connected with liquid case 4 by the 3rd pipeline 11, described the 3rd pipeline 11 is provided with hydraulic control one-way valve 6, between right chamber 23 and hydraulic control one-way valve 6, being provided with the 4th pipeline 12 is connected with hydraulic prop 1 cavity of resorption, described the 4th pipeline 12 is provided with two high pressure one way valves 8, between high pressure one way valve 8, be provided with pressure meter 5, described pressure meter 5 is connected with second pipe 10 by the 5th pipeline 13, described the 5th pipeline 13 is provided with low pressure check valve 7.Described hydraulic control one-way valve 6 is connected with the entrance point of low pressure check valve 7.Above-mentioned pressurized cylinder 3, high pressure one way valve 8, low pressure check valve 7 and hydraulic control one-way valve 6 are all arranged in liquid case 8.Described operating valve 3 is three-position four-way valve.
Operating principle of the present utility model is as follows:
First by 3 dozens of operating valves to the left, lumen 22 enters dust-proof water, piston moves to left, open hydraulic control one-way valve 6 simultaneously, emulsion is drawn in right chamber 23 from liquid case 4, now low pressure check valve 7 is opened, and the 4th pipeline 12, to hydraulic prop 1 cavity of resorption feed flow, makes hydraulic prop 1 contact with top board or capplce.When manometric reading reaches 3～5MPa and no longer rises, by 3 dozens of operating valves to the right, now dust-proof water enters left chamber 21 and promotes pistons and move to right, by the dust-proof water in lumen 22 by the gutter 31 on operating valve 3 discharged to outside, emulsion in right chamber 23 feeds to hydraulic prop 1 cavity of resorption by high pressure one way valve 8, note observing manometric reading, if more than not reaching 9MPa, can repeatedly according to above operation sequence, operate, until more than manometric reading reaches 9MPa, finally operating valve 3 is got to interposition.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and manual, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.Claimed scope of the present utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. portable hydraulic prop liquid feed device, comprise hydraulic prop, operating valve, pressurized cylinder and liquid case, it is characterized in that: described operating valve is provided with water inlet pipe and gutter, described pressurized cylinder is comprised of the large hydraulic cylinder and the small cylinder that are communicated with, first piston in large hydraulic cylinder is connected with the second piston in small cylinder by connecting rod, above-mentioned first piston, the second piston is divided into left chamber by pressurized cylinder, lumen and right chamber, described left chamber, lumen is respectively by the first pipeline, second pipe is connected with operating valve, described right chamber is connected with liquid case by the 3rd pipeline, described the 3rd pipeline is provided with hydraulic control one-way valve, between right chamber and hydraulic control one-way valve, being provided with the 4th pipeline is connected with hydraulic prop cavity of resorption, described the 4th pipeline is provided with two high pressure one way valves, between high pressure one way valve, be provided with pressure meter, described pressure meter is connected with second pipe by the 5th pipeline, described the 5th pipeline is provided with low pressure check valve.
2. portable hydraulic prop liquid feed device according to claim 1, is characterized in that: above-mentioned pressurized cylinder, high pressure one way valve, low pressure check valve, hydraulic control one-way valve are all arranged in liquid case.
3. portable hydraulic prop liquid feed device according to claim 1, is characterized in that: described operating valve is three-position four-way valve.
4. portable hydraulic prop liquid feed device according to claim 1, is characterized in that: described hydraulic control one-way valve is connected with the entrance point of low pressure check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320423600.XU CN203476356U (en) | 2013-07-17 | 2013-07-17 | Portable single hydraulic prop type liquid supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320423600.XU CN203476356U (en) | 2013-07-17 | 2013-07-17 | Portable single hydraulic prop type liquid supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203476356U true CN203476356U (en) | 2014-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320423600.XU Expired - Fee Related CN203476356U (en) | 2013-07-17 | 2013-07-17 | Portable single hydraulic prop type liquid supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203476356U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883338A (en) * | 2014-03-26 | 2014-06-25 | 安徽理工大学 | Hydraulic support stand column self-service pressurizing system comprising hydraulic pressurizer |
| CN105457848A (en) * | 2015-11-20 | 2016-04-06 | 侯如升 | Double-head pressurizer of double-component rubber dispensing machine |
-
2013
- 2013-07-17 CN CN201320423600.XU patent/CN203476356U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883338A (en) * | 2014-03-26 | 2014-06-25 | 安徽理工大学 | Hydraulic support stand column self-service pressurizing system comprising hydraulic pressurizer |
| CN103883338B (en) * | 2014-03-26 | 2016-02-10 | 安徽理工大学 | A kind of hydraulic support column self-boosting system containing hydraulic intensifier |
| CN105457848A (en) * | 2015-11-20 | 2016-04-06 | 侯如升 | Double-head pressurizer of double-component rubber dispensing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20140717 |
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| EXPY | Termination of patent right or utility model |