CN2204001Y - Liquid withdrawing gun for external injection type single hydraulic prop - Google Patents
Liquid withdrawing gun for external injection type single hydraulic prop Download PDFInfo
- Publication number
- CN2204001Y CN2204001Y CN 94240395 CN94240395U CN2204001Y CN 2204001 Y CN2204001 Y CN 2204001Y CN 94240395 CN94240395 CN 94240395 CN 94240395 U CN94240395 U CN 94240395U CN 2204001 Y CN2204001 Y CN 2204001Y
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- CN
- China
- Prior art keywords
- liquid
- valve
- pillar
- gun
- emulsion
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a liquid withdrawing gun for an external injection type single hydraulic prop, which is composed of a gun body, a liquid withdrawing interface connected with a left valve cylinder of a triple valve, a liquid withdrawing pipeline, a clamp unit for clamping the triple valve, a liquid withdrawing operating handle and a charge valve which is connected with or contracts the liquid withdrawing operating handle to push up the triple valve or a post rod for uninstalling the valve. The utility model is exclusively used in the coalface of a soft-rock base plate which can be expanded in meeting water. By reclaiming the emulsion of a single hydraulic prop, the utility model prevents the emulsion from flowing onto the base plate, causing the base plate to be expanded in meeting the water to make trouble for the propping of the coalface; the utility model saves the emulsion by recycling the emulsion.
Description
The utility model relates to mine coal-cutting face timbering apparatus, further is that a kind of down-hole coal excavation work plane outside injection type hydraulic pillar that supplies reclaims the liquid-returner tool that emulsion is used.
In prior art, when the coal-face prop drawing of outside injection type hydraulic pillar supporting was used in the down-hole, the emulsion in the pillar did not add recovery, but is bled off, flowed into by the feather valve of pillar triple-use valve in the base plate of coal-face.In the ordinary course of things, do so simple and easy to do.But, for the soft rock base plate of water-swellable,, just cause base plate to expand as mud stone, argillaceous rocks etc., bring difficulty for the supporting of coal-face.
Purpose of design of the present utility model is to overcome weak point of the prior art, and a kind of liquid withdrawing gun water-swellable soft rock base plate coal-face, that supply outside injection type hydraulic pillar recovery emulsion to use that is exclusively used in is provided, or claims liquid-returner.
Purpose of design of the present utility model can reach by following measure:
Time liquid interface that this outside injection type hydraulic pillar liquid withdrawing gun has when reclaiming emulsion the left valve cylinder 1 with the pillar triple-use valve join at an end of rifle body, returning liquid interface is connected with the liquid back pipe road, have and make liquid withdrawing gun be stuck in fastener on the pillar triple-use valve, liquid operator handle is arranged back, and with return the liquid operator connect or contact connection, the liquid-filling valve of pillar triple-use valve or the push rod that feather valve is used are backed down in confession.
Purpose of design of the present utility model can also reach by following measure:
Its time liquid interface is that an end that is positioned at rifle body 19, the liquid that returns that is connected with the left valve cylinder 1 of pillar triple-use valve when reclaiming emulsion chew 16, its fastener is to be enclosed within back liquid to chew 16 outer lock sleeves 17, its time liquid operator is for being positioned at the handgrip 20 of rifle body 19 other ends, and the crank throw end of handgrip 20 links with rifle body 19 and connects with the back end in contact of the push rod 18 of the liquid-filling valve that backs down the pillar triple-use valve.
Its time liquid interface be positioned at gun rack 25 1 ends, when reclaiming emulsion and the termination of the left valve cylinder 1 of pillar triple-use valve joins is subjected to liquid mouth 23, its time liquid operator is being the handle 26 that is positioned at gun rack 25 other ends, the crank throw portion of handle 26 and gun rack 25 hinge joints also are fixed with wedge-like spindle nose 27, wedge-like spindle nose 27 is its fastener, is used to back down the push rod of the feather valve of pillar triple-use valve when also being back liquid.
Its liquid back pipe is provided with hand stop valve 21.
Compared with the prior art the utility model has following advantage:
1. by recovery, can prevent that emulsion from flowing on the coal-face base plate, making the base plate water-swellable, causes difficulty for the supporting of coal-face to the hydraulic prop emulsion.
2. by multiplexing, can save emulsion to the recovery of emulsion.
The drawing of accompanying drawing is described as follows:
Fig. 1: the structural representation of existing outside injection type hydraulic pillar triple-use valve
Fig. 2: the utility model embodiment 1 structural representation front view
Fig. 3: the utility model embodiment 2 structural representation front views
Fig. 4: the utility model embodiment 2 structural representation vertical views
Fig. 5: the utility model embodiment 2 structural representation A are to view
The utility model is described in further detail below in conjunction with accompanying drawing or embodiment:
For ease of enforcement of the present utility model is described, the structure to the outside injection type hydraulic pillar triple-use valve briefly explains earlier.Its structure as shown in Figure 1.Among Fig. 1: 1-left side valve cylinder, 2-fluid injection valve body, 3-steel ball, 4-unloading valve pad, 5-feather valve spring, 6-connect valve rod, 7-valve pocket, 8-safety needle, 9-safety valve pad, 10-fairlead, 11-safety valve spring, 12-voltage regulation screw, the right valve cylinder of 13-, 14-safety valve body.
During fluid injection, back down steel ball 3 in the fluid injection valve body 2, can in pillar, inject high-pressure emulsion with fluid injection gun.In like manner, if back down steel ball 3 in the fluid injection valve body 2, also can allow emulsion by in the hydraulic prop, flow out through the liquid-filling valve of triple-use valve.
During unloading, the wedge-like spindle nose is inserted in the hole of right valve cylinder 13 and rotation, feather valve spring 5 will be compressed, make unloading valve pad 4 places to open, and make emulsion by in the hydraulic prop, flow out through the feather valve of triple-use valve.
The utility model utilizes above two kinds of operating principles to realize just.
Embodiment 1:
Fig. 2 shows the structure of the utility model liquid withdrawing gun embodiment one.
Left end at rifle body 19 has back liquid to chew 16, returns liquid interface with pillar triple-use valve left side valve cylinder 1 joins when reclaiming emulsion, and time liquid is chewed 16 and is connected with liquid back pipe, and hand stop valve 21 is arranged on the liquid back pipe.Return liquid and chew 16 and outer lock sleeve 17 arranged, it is to make liquid withdrawing gun be stuck in fastener on the pillar triple-use valve.The right-hand member of rifle body 19 has handgrip 20, promptly returns liquid operator handle, and handgrip 20 is a crank throw handgrip, and the crank throw end of handgrip 20 connects with 19 hinge joints of rifle body and with the back end in contact of push rod 18.Pull handgrip 20 downwards, the crank throw portion of handgrip 20 can promote push rod 18 and move to left.
Return liquid and chew 16 front end, promptly the left end inner chamber is embedded with sealing ring 15, seals.Return that liquid chews that there is a centre bore 16 rear end and around the uniform hole for back flow of centre bore.Push rod 18 is installed in the centre bore.Return liquid chew 16 and push rod 18 between spring 21 is arranged, play push rod 18 and reset.
Flow when adding large back liquid can consider to transform the pillar triple-use valve, adopts bigger fluid injection valve body and the bigger steel ball of diameter of liquid injection hole diameter.Like this, fluid injection gun also should be done corresponding transformation.
Using method: when outside injection type hydraulic pillar need be fallen post, earlier hand stop valve 22 is opened, to return liquid again chews in the left valve cylinder 1 of 16 insertion pillar triple-use valves, with lock sleeve 17 liquid withdrawing gun and pillar triple-use valve are linked together, pull handgrip 20 downwards, making it promote push rod 18 moves to left, steel ball 3 in the fluid injection valve body 2 of pillar triple-use valve is backed down, then the emulsion in the pillar is promptly through the liquid injection hole of fluid injection valve body 2, liquid withdrawing gun return that liquid chews 16, hole for back flow, stop valve 22 and the ad hoc liquid back pipe road of rifle body 19 are flowed back in emulsion power pack or the emulsion returnable.
Embodiment 2:
Fig. 3,4 shows the structure of the utility model liquid withdrawing gun embodiment two.
End at gun rack 25 is that front end is subjected to liquid mouth 23, and time liquid interface that during as the recovery emulsion and valve cylinder 1 termination, a pillar triple-use valve left side joins is connected with liquid back pipe by liquid mouth 23, and hand stop valve 22 is arranged on the liquid back pipe.Being subjected to has sealing ring 24 in the liquid mouth 23, be subjected to the outside at liquid mouth 23 rear portions promptly away from a side of gun rack 25 gap to be arranged, as shown in Figure 5, so that card pillar triple-use valve is used.Handle 26 as returning liquid operator handle is positioned at gun rack 25 rear ends.Handle 26 is a crank throw handle, and its crank throw portion and gun rack 25 hinge joints also are fixed with wedge-like spindle nose 27, and wedge-like spindle nose 27 backs down the push rod of pillar triple-use valve feather valve both as fastener when also being back liquid.All the other are identical with embodiment 1.
Using method: when outside injection type hydraulic pillar need be fallen post, earlier hand stop valve 22 is opened, to be subjected to liquid mouth 23 to be fastened on the left end of the left valve cylinder 1 of pillar triple-use valve again, handle inserts in the unloading cross-drilled hole of right valve cylinder 13 right-hand members of pillar triple-use valves with the wedge-like spindle nose 27 that handle 26 is fixed together simultaneously, pull handle 26 downwards, then wedge-like spindle nose 27 is stirred the valve pocket 7 of pillar triple-use valve, make it and be connected valve rod 6, fluid injection valve body 2 and unloading valve pad 4 move to left together, and the emulsion in the pillar is promptly through unloading the gap of 1 of valve pad 4 and left valve cylinder, liquid withdrawing gun be subjected to liquid mouth 23, stop valve 22 and ad hoc liquid back pipe road are flowed back in emulsion power pack or the emulsion returnable.
In above embodiment,, also can consider to set up a small pump or oil pump at liquid back pipe road system outlet in order to reduce back the liquid resistance.
Claims (4)
1, a kind of down-hole coal excavation work plane that supplies reclaims the outside injection type hydraulic pillar liquid withdrawing gun that emulsion is used, time liquid interface that an end has when reclaiming emulsion and the left valve cylinder (1) of pillar triple-use valve joins that it is characterized in that the rifle body, returning liquid interface is connected with the liquid back pipe road, have and make liquid withdrawing gun be stuck in fastener on the pillar triple-use valve, liquid operator handle is arranged back, and with return the liquid operator connect or contact connection, the liquid-filling valve of pillar triple-use valve or the push rod that feather valve is used are backed down in confession.
2, outside injection type hydraulic pillar liquid withdrawing gun according to claim 1, it is characterized in that said time liquid interface is that an end that is positioned at rifle body (19), the liquid that returns that is connected with the left valve cylinder (1) of pillar triple-use valve when reclaiming emulsion are chewed (16), its fastener is chewed (16) outer lock sleeve (17) for being enclosed within back liquid, its time liquid operator is for being positioned at the handgrip (20) of rifle body (19) other end, and the crank throw end of handgrip (20) links with rifle body (19) and connects with the back end in contact of the push rod (18) of the liquid-filling valve that backs down the pillar triple-use valve.
3, outside injection type hydraulic pillar liquid withdrawing gun according to claim 1, it is characterized in that said time liquid interface for be positioned at gun rack (25) one ends, when reclaiming emulsion and left valve cylinder (1) termination of pillar triple-use valve joins is subjected to liquid mouth (23), its time liquid operator is being the handle (26) that is positioned at gun rack (25) other end, the crank throw portion of handle (26) and gun rack (25) hinge joint also are fixed with wedge-like spindle nose (27), wedge-like spindle nose (27) is its fastener, is used to back down the push rod of the feather valve of pillar triple-use valve when also being back liquid.
4,, it is characterized in that said liquid back pipe is provided with hand stop valve (22) according to claim 1 or 2 or 3 described outside injection type hydraulic pillar liquid withdrawing guns.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 94240395 CN2204001Y (en) | 1994-05-06 | 1994-05-06 | Liquid withdrawing gun for external injection type single hydraulic prop |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 94240395 CN2204001Y (en) | 1994-05-06 | 1994-05-06 | Liquid withdrawing gun for external injection type single hydraulic prop |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2204001Y true CN2204001Y (en) | 1995-07-26 |
Family
ID=33847396
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 94240395 Expired - Fee Related CN2204001Y (en) | 1994-05-06 | 1994-05-06 | Liquid withdrawing gun for external injection type single hydraulic prop |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2204001Y (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101403395B (en) * | 2008-11-17 | 2011-01-12 | 浙江大农实业有限公司 | Pressure-regulating device of high-pressure water pump |
-
1994
- 1994-05-06 CN CN 94240395 patent/CN2204001Y/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101403395B (en) * | 2008-11-17 | 2011-01-12 | 浙江大农实业有限公司 | Pressure-regulating device of high-pressure water pump |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |