CN203441508U - Special device for grouting deep hole in crushing section of surrounding rock - Google Patents
Special device for grouting deep hole in crushing section of surrounding rock Download PDFInfo
- Publication number
- CN203441508U CN203441508U CN201320577374.0U CN201320577374U CN203441508U CN 203441508 U CN203441508 U CN 203441508U CN 201320577374 U CN201320577374 U CN 201320577374U CN 203441508 U CN203441508 U CN 203441508U
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- pipe
- grouting
- grouting pipe
- hole
- shutoff
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Abstract
The utility model provides a special device for grouting a deep hole in a crushing section of a surrounding rock. The special device comprises a grouting pipe (1) and a blocking pipe (2) which is sleeved on the grouting pipe (1) and has a certain gap with the grouting pipe (1), wherein the roots of the grouting pipe (1) and the blocking pipe (2) are welded on a first flange disc (7), the front end of the blocking pipe (2) is welded on the outer wall of the grouting pipe (1) in an inward bending manner, an auxiliary grouting pipe (5) with the inner end is communicated with the gap between the grouting pipe (1) and the blocking pipe (2) is connected to the wall pipe of the blocking pipe (2), and a plurality of strip-type penetration holes (3) are formed in the pipe wall of the blocking pipe (2). Through the auxiliary grouting pipe which is filled in the grouting pipe and the gap between the blocking pipe and a grouting hole as well as a crack on a grouting hole wall, the slurry loop after filling the crack is still in a closed state, and a main grouting pipe during grouting does not eject the cured slurry in the crack, thus, an orifice pipe is prevented from falling and the surrounding rock is prevented from collapsing.
Description
Technical field
The utility model relates to a kind of special purpose device of mine rock crusher section slip casting.
Background technology
Due to unstable rock, the reason such as hydrostatic hydraulic pressure is large, water yield is large, when rock crusher section is carried out deep hole grouting, in crack on slip casting hole wall, can gush out with water and the slurry of elevated pressures, the water that these are gushed out and slurry direction outside hole promotes Grouting Pipe, causes the situation that in slip casting process, orifice tube comes off to happen occasionally.The means that address this problem are at present mainly: the first, beat in addition auxiliary injected hole, and first shutoff crack recycles orifice tube slip casting after maintenance.The major defect of this mode is: long construction period, and slurry curing in crack can be ejected at later stage orifice tube slip casting process mesohigh slurry, cause country rock to cave in.The second, the prefabricated concrete wall with injected hole, the injected hole slip casting on these concrete wall, to utilize the plugging action of concrete wall.The shortcoming of this mode is, needs dismantling concrete wall after mortar depositing construction, long construction period not only, and also engineering cost is too high.
Utility model content
Technical problem to be solved in the utility model is, a kind of rock crusher section deep hole grouting special purpose device is provided, and has simple structure and lower manufacturing cost, can effectively prevent that orifice tube from coming off, and have higher operating efficiency in slip casting process.
It is as follows that the utility model solves the problems of the technologies described above adopted technical scheme:
Rock crusher section deep hole grouting special purpose device, is characterized in that: comprise Grouting Pipe and be enclosed within outside Grouting Pipe and have the shutoff pipe of certain interval with Grouting Pipe; Also comprise flange, Grouting Pipe and shutoff pipe root are all welded on flange; Be welded on the outer wall of Grouting Pipe to the inside bending of front end of shutoff pipe; And on the tube wall of shutoff pipe, be connected with that gap between inner and Grouting Pipe and shutoff pipe communicates, outer end is with the auxiliary Grouting Pipe of the first valve; On the tube wall of shutoff pipe, offer several bar shapeds and thoroughly starch hole.
On the tube wall of shutoff pipe, be also provided with several ，Gai Chanma districts, little solder joint Chan Ma district and be positioned at and assist Grouting Pipe root and bar shaped thoroughly to starch between region, hole.
Can also comprise Grouting Pipe outside hole, outside hole, one end band of Grouting Pipe is useful on second flange in mating connection with described the first flange, and the other end is connected with high pressure sluice valve, and outside hole, the tube wall of Grouting Pipe is also connected with the main Grouting Pipe with the second valve.
Good effect of the present utility model is:
First by auxiliary Grouting Pipe, fill in the gap between Grouting Pipe and shutoff pipe and injected hole, and the crack on slip casting hole wall, after fracture filling, slurry circuits is wherein all the time in closed state, when main Grouting Pipe is carried out slip casting, slurry curing in crack can not ejected, therefore avoid orifice tube to come off and caved in country rock.Be specially adapted to the slip casting of the poor country rock of fastness.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of Grouting Pipe outside the utility model hole.
Fig. 3 is for the utility model being embedded to the structural representation of the aid in injected hole.
The specific embodiment
Below in conjunction with drawings and Examples, further illustrate the utility model.
As shown in Figure 1, the utility model comprises the Grouting Pipe 1 of seamless steel pipe form and is enclosed within outside Grouting Pipe 1 and has the shutoff pipe 2 of the seamless steel pipe form of certain interval with Grouting Pipe 1.During making, adopt two kinds of different seamless steel pipe welding processing of external diameter to form, shutoff pipe 2 external diameters are generally little 3～5 millimeters than injected hole diameter.Shutoff pipe 2 length depend on grouting pressure, and general 3～5 meters can meet the demands.Grouting Pipe 1 external diameter is slightly smaller than the interior diameter of shutoff pipe 2, but length must be longer than shutoff pipe 2, generally long 0.5～2 meter.The wall thickness of Grouting Pipe 1 and 2 two kinds of seamless steel pipes of shutoff pipe is selected according to grouting pressure, and general 6～10 millimeters can meet the demands.Add man-hour, Grouting Pipe 1 and shutoff pipe 2 roots are all welded on the first flange 7, guarantee leakproof; Be welded on the outer wall of Grouting Pipe 1 to the inside bending of front end of shutoff pipe 2.And on the tube wall of shutoff pipe 2, be connected with that gap between inner and Grouting Pipe 1 and shutoff pipe 2 communicates, outer end is with the auxiliary Grouting Pipe 5 of the first valve 6.
On shutoff pipe 2 from its front end backward 2.0m left and right scope internal cutting process several bar shapeds and thoroughly starch hole 3, make can thoroughly to starch hole 3 by bar shaped from the slurries of assisting Grouting Pipe 5 to enter and be filled in the gap between Grouting Pipe 1 and shutoff pipe 2 and injected hole, and in the crack on slip casting hole wall.
The tube wall of shutoff pipe 2 is provided with several little solder joint 4 ，Gai Chanma districts, Chan Ma district and is positioned between auxiliary Grouting Pipe 5 roots and bar shaped Tou Jiangkong 3rd district.The object that arranges of little solder joint is the frictional force that increases the Chan Ma district rope made of hemp and tube wall.
The utility model also comprises Grouting Pipe 8 outside hole as shown in Figure 2 further, outside hole, one end band of Grouting Pipe 8 is useful on second flange 9 in mating connection with described the first flange 7, the other end is connected with high pressure sluice valve 12, and outside hole, the tube wall of Grouting Pipe 8 is also connected with the main Grouting Pipe 10 with the second valve 11.The first flange 7 and the second flange 9 same models, Grouting Pipe 8 and shutoff pipe 2 same models outside hole.
Aid shown in Fig. 3 comprises the tapping pipe 13 that offers spilled water hole 15 on tube wall, and one end of this tapping pipe 13 is with the blind plate 14 of this tapping pipe 13 of shutoff, and the other end is with adpting flange 16.Adpting flange 16 and the first flange 7 same models, tapping pipe 13 and shutoff pipe 2 same models.
Operating principle:
First the first flange 7 is connected to ，Chan Ma district with adpting flange 16 use high-strength bolts and is wrapped with after appropriate fiber crops, front end is placed in injected hole, then with round log, clash into blind plate 14, until first flange 7 the place ahead parts are headed in hole.At this process mesopore inner high voltage water, by Grouting Pipe 1 and tapping pipe 13, through spilled water hole 15, flow out pressure release, this greatly reduces the resistance that heads into injected hole.The fiber crops in Chan Ma district play resistance effect.
After fixation, the first valve 6 be connected with slurry filling machine and open the first valve 6, with high-pressure grout injector, carrying out grouting and reinforcing.Then maintenance is about 24 hours.
Lay down aid, docking that the second flange 9 of Grouting Pipe outside hole 8 is matched with the first flange 7, opens high pressure sluice valve 12 in docking operation, forms drainage gallery pressure release, is beneficial to smooth connection.
After connection, close high pressure sluice valve 12, the second valve 11 is connected to slurry filling machine and opens the second valve 11, utilize main Grouting Pipe 10 to carry out slip casting, until grouting for water blocking is complete.
Claims (3)
1. rock crusher section deep hole grouting special purpose device, is characterized in that: comprise Grouting Pipe (1) and be enclosed within outside Grouting Pipe (1) and have the shutoff pipe (2) of certain interval with Grouting Pipe (1); Also comprise the first flange (7), Grouting Pipe (1) and shutoff pipe (2) root are all welded on the first flange (7); Be welded on the outer wall of Grouting Pipe (1) to the inside bending of front end of shutoff pipe (2); And on the tube wall of shutoff pipe (2), be connected with that gap between inner and Grouting Pipe (1) and shutoff pipe (2) communicates, outer end is with the auxiliary Grouting Pipe (5) of the first valve (6); On the tube wall of shutoff pipe (2), offer several bar shapeds and thoroughly starch hole (3).
2. rock crusher section deep hole grouting special purpose device according to claim 1, it is characterized in that: on the tube wall of shutoff pipe (2), be also provided with ，Gai Chanma district, several little solder joints (4) Chan Ma district and be positioned at auxiliary Grouting Pipe (5) root and bar shaped is starched between region, hole (3) thoroughly.
3. rock crusher section deep hole grouting special purpose device according to claim 1 and 2, it is characterized in that: also comprise Grouting Pipe outside hole (8), one end band of Grouting Pipe outside hole (8) is useful on second flange (9) in mating connection with described the first flange (7), the other end is connected with high pressure sluice valve (12), and the tube wall of Grouting Pipe outside hole (8) is also connected with the main Grouting Pipe (10) with the second valve (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320577374.0U CN203441508U (en) | 2013-09-18 | 2013-09-18 | Special device for grouting deep hole in crushing section of surrounding rock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320577374.0U CN203441508U (en) | 2013-09-18 | 2013-09-18 | Special device for grouting deep hole in crushing section of surrounding rock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203441508U true CN203441508U (en) | 2014-02-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320577374.0U Expired - Fee Related CN203441508U (en) | 2013-09-18 | 2013-09-18 | Special device for grouting deep hole in crushing section of surrounding rock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203441508U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103437787A (en) * | 2013-09-18 | 2013-12-11 | 山东黄金矿业(莱州)有限公司焦家金矿 | Special device for deep hole grouting at surrounding rock breaking section and grouting method |
| CN107646223A (en) * | 2017-09-28 | 2018-02-02 | 新疆农业科学院土壤肥料与农业节水研究所(新疆维吾尔自治区新型肥料研究中心) | A kind of original soil modification method and its device suitable for heavy salinized ground |
-
2013
- 2013-09-18 CN CN201320577374.0U patent/CN203441508U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103437787A (en) * | 2013-09-18 | 2013-12-11 | 山东黄金矿业(莱州)有限公司焦家金矿 | Special device for deep hole grouting at surrounding rock breaking section and grouting method |
| CN107646223A (en) * | 2017-09-28 | 2018-02-02 | 新疆农业科学院土壤肥料与农业节水研究所(新疆维吾尔自治区新型肥料研究中心) | A kind of original soil modification method and its device suitable for heavy salinized ground |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140219 Termination date: 20180918 |