CN203594467U - Top coal caving hydraulic support and linkage control combination valve special for top coal caving hydraulic support - Google Patents
Top coal caving hydraulic support and linkage control combination valve special for top coal caving hydraulic support Download PDFInfo
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- CN203594467U CN203594467U CN201320782630.XU CN201320782630U CN203594467U CN 203594467 U CN203594467 U CN 203594467U CN 201320782630 U CN201320782630 U CN 201320782630U CN 203594467 U CN203594467 U CN 203594467U
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- way valve
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Abstract
The utility model discloses a top coal caving hydraulic support and a linkage control combination valve special for the top coal caving hydraulic support. The top coal caving hydraulic support comprises a first check valve, a second check valve, a third check valve and an alternating valve, wherein the first check valve, the second check valve, the third check valve and the alternating valve are integrated in one valve body. The linkage control combination valve is connected with a right tail beam jack, a left tail beam jack, an insertion plate jack and a spray control opening. The multiple functional valves are integrated on one valve body, rubber pipes connected between all valves in an existing scheme are omitted, the linkage control combination valve does not need to be directly connected with the jacks and can be installed in any position of the support, once a problem occurs, the top coal caving hydraulic support is quite easy to replace and repair, cost is reduced, and safety of underground workers is ensured.
Description
Technical field
The utility model relates to a kind of caving roof coal hydraulic support valve, relates in particular to a kind of caving roof coal hydraulic support and special interlock control combination valve thereof.
Background technology
Caving roof coal hydraulic support is the critical equipment of top coal caving method, and its technological innovation has great significance to caving Mining Technology.Sublevel caving hydrau lic support at coal-face is realized and is put coal mining by the tail boom jack of support and the independent and linkage work of plate jack.
Sublevel caving hydrau lic support of the prior art, in the time putting coal, by action and the spraying of two tail boom jack one-way locks and a plate jack one-way lock control jack, is realized interlock and the spraying of tail boom jack and plate jack by an alternate valve.
At least there is following shortcoming in above-mentioned prior art:
Valve and sebific duct that current this method is used are too many, have improved greatly cost;
Because valve need to directly be connected with jack, be therefore all arranged on support after, be all difficult for changing once any one goes wrong, and security incident easily occur while changing;
The sebific duct quantity of connection valve is many, has increased the risk that hydraulic system is revealed, and the safety in production in colliery is caused to great hidden danger;
Because rack space is limited, current this method all unavoidably goes wrong on the installation site of arranging pipeline and arrangement valve.
Utility model content
The purpose of this utility model is to provide a kind of caving roof coal hydraulic support and special interlock control combination valve thereof.
The purpose of this utility model is achieved through the following technical solutions:
The special interlock control combination of caving roof coal hydraulic support of the present utility model valve, comprise the first one way valve, the second one way valve, the 3rd one way valve, the alternate valve that are integrated in a valve body, described valve body is provided with PAB mouth, A1 mouth, B1 mouth, K1 mouth, K2 mouth, K3 mouth, C mouth, PC mouth, KC mouth, KW mouth;
Described PAB mouth communicates respectively with the forward import of described the first one way valve forward import and the second one way valve;
Described K1 mouth, K2 mouth and K3 mouth are interconnected, and communicate respectively with control mouth and the second one way valve control mouth of described the first one way valve, and communicate with a port of described alternate valve;
Described A1 mouth and B1 mouth communicate with the forward outlet of described the first one way valve and the forward outlet of the second one way valve respectively;
Described KW mouth communicates with the middle port of described alternate valve and communicates with the forward import of described the 3rd one way valve;
Described PC mouth communicates with another port of described alternate valve;
Described C mouth communicates with the forward outlet of described the 3rd one way valve;
Described KC mouth communicates with the control mouth of described the 3rd one way valve.
Caving roof coal hydraulic support of the present utility model, this caving roof coal hydraulic support is provided with the special interlock control combination of above-mentioned caving roof coal hydraulic support valve.
The technical scheme being provided by above-mentioned the utility model can be found out; the caving roof coal hydraulic support that the utility model embodiment provides and special interlock control combination valve thereof; owing to multiple duty valves being integrated on a valve; save the sebific duct connecting between each valve in original scheme; and this valve does not need to be directly connected with jack, can be arranged on the optional position of support, repair once go wrong to be very easy to change; reduce costs, and protection underground labour safety.
Accompanying drawing explanation
The functional schematic symbol diagram of the special interlock control combination of the caving roof coal hydraulic support valve that Fig. 1 provides for the utility model embodiment;
The connection diagram of the special interlock control combination of the caving roof coal hydraulic support valve that Fig. 2 provides for the utility model embodiment in support;
Fig. 3 a, 3c are respectively the contour structures schematic diagram of the special interlock control combination of the caving roof coal hydraulic support valve that the utility model embodiment provides;
Fig. 3 b is that the A-A of Fig. 3 c is to sectional structure schematic diagram;
Fig. 3 d is that the B-B of Fig. 3 c is to sectional structure schematic diagram.
In figure: 1, right tail boom jack, 2, left tail boom jack, 3, plate jack, 4, the first one way valve, 5, the second one way valve, 6, the 3rd one way valve, 7, alternate valve.
The specific embodiment
To be described in further detail the utility model embodiment below.
The special interlock control combination of caving roof coal hydraulic support of the present utility model valve, its preferably the specific embodiment be:
Comprise the first one way valve, the second one way valve, the 3rd one way valve, the alternate valve that are integrated in a valve body, described valve body is provided with PAB mouth, A1 mouth, B1 mouth, K1 mouth, K2 mouth, K3 mouth, C mouth, PC mouth, KC mouth, KW mouth;
Described PAB mouth communicates respectively with the forward import of described the first one way valve forward import and the second one way valve;
Described K1 mouth, K2 mouth and K3 mouth are interconnected, and communicate respectively with control mouth and the second one way valve control mouth of described the first one way valve, and communicate with a port of described alternate valve;
Described A1 mouth and B1 mouth communicate with the forward outlet of described the first one way valve and the forward outlet of the second one way valve respectively;
Described KW mouth communicates with the middle port of described alternate valve and communicates with the forward import of described the 3rd one way valve;
Described PC mouth communicates with another port of described alternate valve;
Described C mouth communicates with the forward outlet of described the 3rd one way valve;
Described KC mouth communicates with the control mouth of described the 3rd one way valve.
On described valve body, be also provided with A2 mouth, B2 mouth, described A2 mouth and B2 mouth communicate with the forward outlet of described the first one way valve and the forward outlet of the second one way valve respectively.
Caving roof coal hydraulic support of the present utility model, its preferably the specific embodiment be:
This caving roof coal hydraulic support is provided with the special interlock control combination of above-mentioned caving roof coal hydraulic support valve.
Comprise right tail boom jack, left tail boom jack and plate jack;
Described A1 mouth is connected with the cavity of resorption of described right tail boom jack and the cavity of resorption of described left tail boom jack respectively with B1 mouth;
Described C mouth is connected with epicoele and the cavity of resorption of described plate jack respectively with KC mouth;
Any two mouths in described K1 mouth, K2 mouth and K3 mouth are connected with the epicoele of described right tail boom jack and the epicoele of described left tail boom jack respectively, and another mouthful is connected with control valve;
Described PAB mouth, KC mouth, PC mouth divide with control valve and are connected;
Described KW mouth is controlled mouth with spraying and is connected.
Described A2 mouth and B2 mouth are connected with respectively overflow valve.
The special interlock control combination of caving roof coal hydraulic support of the present utility model valve; all functions are integrated on a valve; save the sebific duct connecting between each valve in original scheme; and this valve does not need to be directly connected with jack; can be arranged on the optional position of support; be very easy to once go wrong change repair, reduce costs, and protection underground labour safety.
Specific embodiment:
Being depicted as shown in Figure 1 the functional symbol of this valve, being illustrated in figure 2 the pipeline connecting mode of this valve in support, is the structural representation of this valve as shown in Figure 3 a, 3b, 3c, 3d shown in.
While use in down-hole, control valve comes after two nonreturn valve cores that the PAB mouth of liquid from Fig. 3 c enter Fig. 3 b left side and Fig. 3 d the right to lead to two tail boom jack control jack from A1 and B1 mouth and stretches out;
Fig. 3 a is connected with a fabrication hole by a through hole with K3 mouth with K1, K2 in 3c, and control valve carrys out liquid and can enter from any one interface wherein, and two other interface connects tail boom jack epicoele, controls the withdrawal of two tail boom jack.
Control valve comes to enter after the nonreturn valve core on Fig. 3 d left side after liquid enters Fig. 3 b the right alternate valve by the PC mouth in Fig. 3 a again, enters plate jack epicoele from C mouth, controls the withdrawal auto spraying simultaneously of plate jack, the stretching out of KC mouth control plate jack.
In the time that needs link, when carrying out liquid enter tail boom jack from A1, B1 mouth respectively from K1, K2 or K3 mouth enter this combination valve, also enter plate jack and KW mouth from the alternately spool on Fig. 3 b the right, realize the interlock of tail boom jack and plate jack and auto spraying.
The beneficial effect that technical solutions of the utility model are brought:
The creationary control valve that sublevel caving hydrau lic support is put to coal measures system of this valve integrates, and has reduced a large amount of high-pressure rubber pipe between connection valve element in original system, greatly reduces cost, and has reduced fault origination point.
This valve can be placed on the optional position of support, protects underground labour's safety and is convenient to installation, maintenance, line arrangement.
This valve adopts plug-in spool, is convenient to down-hole and safeguards, changes.
The above; it is only the preferably specific embodiment of the utility model; but protection domain of the present utility model is not limited to this; any be familiar with those skilled in the art the utility model disclose technical scope in; the variation that can expect easily or replacement, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (5)
1. the special interlock control combination of a caving roof coal hydraulic support valve, it is characterized in that, comprise the first one way valve, the second one way valve, the 3rd one way valve, the alternate valve that are integrated in a valve body, described valve body is provided with PAB mouth, A1 mouth, B1 mouth, K1 mouth, K2 mouth, K3 mouth, C mouth, PC mouth, KC mouth, KW mouth;
Described PAB mouth communicates respectively with the forward import of described the first one way valve forward import and the second one way valve;
Described K1 mouth, K2 mouth and K3 mouth are interconnected, and communicate respectively with control mouth and the second one way valve control mouth of described the first one way valve, and communicate with a port of described alternate valve;
Described A1 mouth and B1 mouth communicate with the forward outlet of described the first one way valve and the forward outlet of the second one way valve respectively;
Described KW mouth communicates with the middle port of described alternate valve and communicates with the forward import of described the 3rd one way valve;
Described PC mouth communicates with another port of described alternate valve;
Described C mouth communicates with the forward outlet of described the 3rd one way valve;
Described KC mouth communicates with the control mouth of described the 3rd one way valve.
2. the special interlock control combination of caving roof coal hydraulic support according to claim 1 valve, it is characterized in that, on described valve body, be also provided with A2 mouth, B2 mouth, described A2 mouth and B2 mouth communicate with the forward outlet of described the first one way valve and the forward outlet of the second one way valve respectively.
3. a caving roof coal hydraulic support, is characterized in that, this caving roof coal hydraulic support is provided with the special interlock control combination of the caving roof coal hydraulic support valve described in claim 1 or 2.
4. caving roof coal hydraulic support according to claim 3, is characterized in that, comprises right tail boom jack, left tail boom jack and plate jack;
Described A1 mouth is connected with the cavity of resorption of described right tail boom jack and the cavity of resorption of described left tail boom jack respectively with B1 mouth;
Described C mouth is connected with epicoele and the cavity of resorption of described plate jack respectively with KC mouth;
Any two mouths in described K1 mouth, K2 mouth and K3 mouth are connected with the epicoele of described right tail boom jack and the epicoele of described left tail boom jack respectively, and another mouthful is connected with control valve;
Described PAB mouth, KC mouth, PC mouth divide with control valve and are connected;
Described KW mouth is controlled mouth with spraying and is connected.
5. caving roof coal hydraulic support according to claim 4, is characterized in that, described A2 mouth and B2 mouth are connected with respectively overflow valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320782630.XU CN203594467U (en) | 2013-12-02 | 2013-12-02 | Top coal caving hydraulic support and linkage control combination valve special for top coal caving hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320782630.XU CN203594467U (en) | 2013-12-02 | 2013-12-02 | Top coal caving hydraulic support and linkage control combination valve special for top coal caving hydraulic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203594467U true CN203594467U (en) | 2014-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320782630.XU Expired - Fee Related CN203594467U (en) | 2013-12-02 | 2013-12-02 | Top coal caving hydraulic support and linkage control combination valve special for top coal caving hydraulic support |
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|---|---|
| CN (1) | CN203594467U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615275A (en) * | 2013-12-02 | 2014-03-05 | 中煤北京煤矿机械有限责任公司 | Top coal caving hydraulic support and special linkage control combination valve for same |
| CN107218075A (en) * | 2017-07-24 | 2017-09-29 | 江苏大学 | A kind of fully mechanized mining coal discharge outlet high-pressure water gas jet current fine water mist dust removal control gas device |
-
2013
- 2013-12-02 CN CN201320782630.XU patent/CN203594467U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615275A (en) * | 2013-12-02 | 2014-03-05 | 中煤北京煤矿机械有限责任公司 | Top coal caving hydraulic support and special linkage control combination valve for same |
| CN107218075A (en) * | 2017-07-24 | 2017-09-29 | 江苏大学 | A kind of fully mechanized mining coal discharge outlet high-pressure water gas jet current fine water mist dust removal control gas device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140514 Termination date: 20161202 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |