CN103774683B - Filter pressing type orifice sealer - Google Patents
Filter pressing type orifice sealer Download PDFInfo
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- CN103774683B CN103774683B CN201410064671.4A CN201410064671A CN103774683B CN 103774683 B CN103774683 B CN 103774683B CN 201410064671 A CN201410064671 A CN 201410064671A CN 103774683 B CN103774683 B CN 103774683B
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- filter
- silica gel
- type orifice
- gel plate
- press type
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Abstract
The invention discloses a filter pressing type orifice sealer which can be applied to grouting of loose strata. The filter pressing type orifice sealer is mainly composed of a press cover, a press seat body, a wear resisting rubber plug and a base seat, wherein the press cover is arranged above the press seat body, the wear resisting rubber plug is arranged in the press seat body, the base seat is connected below the press seat body, a press seat cavity and a base seat cavity which are used for a grout pipe to penetrate through are respectively arranged in the press seat body and the base seat, a pressure buffer chamber is arranged on a position on the upper portion of the base seat cavity, which is close to the press seat body, the volume of the pressure buffer chamber gradually enlarges, and the pressure buffer chamber is communicated with the outside world. The filter pressing type orifice sealer is simple in structure, convenient to manufacture, low in cost, and good in hole sealing and grout stopping effect, facilitates grouting pressure rise during the grouting process, and prevents the problems of low pressure repetition splitting, ground grout oozing, ground uplift and the like from occurring.
Description
Technical field
The invention belongs to geotechnical engineering based process grouting field, relate in particular to a kind of aperture provision for sealing that can be applicable to scall grouting.
Background technology
The scall that earth's surface is widely distributed, carries out engineering construction in these regions, need to implement a large amount of impervious leakage-stoppings, and the general mode of grouting that adopts is processed.Existing hole-sealing technology is broadly divided into two classes: stop grouting plug method and aperture sealing method.Stop grouting plug method is had relatively high expectations to stratum, and complex process, and work efficiency is low.And aperture closure grouting technique is current domestic conventional construction technology, its advantage is: after every section of grouting finishes, do not need to wait to coagulate, can start the slim hole drilling of next section, accelerated construction speed; Repeatedly repeat perfusion, be conducive to guarantee grouting quality.But no matter be traditional orifice closure, or the rotatable high pressure grouting orifice closure after improving, when being in the milk for scall, adopt mode from top to bottom more, this causes work efficiency lower, energy consumption is large, be difficult to press, and existed shallow-layer or local plane of weakness easily to produce the problems such as low pressure repetition splitting, ground grout and ground lift, stratum applicability is poor.
Therefore, how to design and transform a kind of more advanced plugging equipment, make both guaranteeing grout compartment slurries pressure, avoid its shallow-layer or local plane of weakness to produce under the prerequisite of the problems such as low pressure repetition splitting, ground grout and ground lift, realize stability slurries+plugging equipment+packer grouting from bottom to top, thereby reach the object that improves work efficiency, reduces energy consumption, this just becomes those skilled in the art's problem demanding prompt solution.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, provide a kind of simple in structure, easy to make, product cost is low, sealing of hole grouting is effective, be conducive to guarantee be in the milk pressure, be conducive to prevent the filter-press type orifice closure of the phenomenons such as low pressure repetition splitting, ground grout, ground lift.
For solving the problems of the technologies described above, the technical scheme that the present invention proposes is a kind of filter-press type orifice closure that can be applicable to scall grouting, described filter-press type orifice closure is mainly by gland, wedge body, abrasive rubber plug and pedestal form, gland is located at wedge body top, in wedge body, be provided with abrasive rubber plug, wedge body below is connected with pedestal, in described wedge body and pedestal, be respectively equipped with the wedge cavity volume and the pedestal cavity volume that for grout pipe, wear, described pedestal cavity volume top includes the pressure buffer chamber of the progressive expansion of a volume near the position of wedge body, described pressure buffer chamber is in communication with the outside.
In above-mentioned filter-press type orifice closure, preferably, between the bottom of described wedge body and the top of pedestal, be connected with penetrating of cascading water, wedge body is connected with pedestal by penetrating of cascading water, the middle part that cascading water is penetrating offers the through hole wearing for grout pipe, and described pressure buffer chamber is directly in communication with the outside by penetrating of this cascading water.
In above-mentioned filter-press type orifice closure, preferably, penetrating of described cascading water is multilayer sandwiched structure, comprise the upper bracket that is positioned at top layer and the lower carriage that is positioned at the bottom, upper bracket below is provided with upper strata sealing silica gel plate pad, lower carriage top is provided with lower floor's sealing silica gel plate pad, in the middle of upper strata sealing silica gel plate Dian He lower floor sealing silica gel plate pad, be provided with filter cloth (preferably high strength industrial filter cloth), described filter cloth is mainly by can filter solid particle in slurries, the material of water and air infiltration is made in tolerable reperfusion serosity simultaneously.
In above-mentioned filter-press type orifice closure, preferred, described upper bracket and lower carriage are ring support, and described ring support is mainly comprised of concentric interior ring and outer shroud, between interior ring and outer shroud, is provided with connection strap.
In above-mentioned filter-press type orifice closure, preferably, described upper strata is sealed silica gel plate Dian He lower floor sealing silica gel plate pad and is annular, and the shape of upper strata sealing silica gel plate Dian He lower floor sealing silica gel plate pad is corresponding consistent with shape and the area of ring support with area, the thickness of upper strata sealing silica gel plate Dian He lower floor sealing silica gel plate pad is 3mm～8mm.
In above-mentioned filter-press type orifice closure, preferably, described filter cloth is annular, and the shape of filter cloth is corresponding consistent with the outline that upper strata sealing silica gel plate Dian He lower floor seals silica gel plate pad with area, the order number of described filter cloth is 1000～2000, and thickness is 3mm～6mm.
In above-mentioned filter-press type orifice closure, preferred, the top that described cascading water is penetrating is also equiped with the cascading water face adjuster of penetrating area of passage of an adjustable cascading water.
In above-mentioned filter-press type orifice closure, preferred, described cascading water face adjuster is mainly comprised of a hollow cross, and hollow cross drives rotation to regulate the area of passage of penetrating of cascading water by external driver device.
In above-mentioned filter-press type orifice closure, preferably, the end face outline of described pressure buffer chamber overlaps with the outline of penetrating of described cascading water, and the inwall of pressure buffer chamber is an inverted cone surface, and the slope of inverted cone surface Up Highway UHW is 1, the wall thickness of pressure buffer chamber is 10mm～16mm.
In above-mentioned filter-press type orifice closure, preferred, described pedestal cavity volume is communicated with a return pipe, and the interface of described return pipe is arranged on the below of described pressure buffer chamber.
Compared with prior art, the invention has the advantages that:
(1) the pedestal top of filter-press type orifice closure provided by the present invention is provided with a pressure buffer chamber being in communication with the outside and cascading water face adjuster, water and air in grouting agent etc. can be discharged with given pace whereby, aperture pressure is reduced rapidly, because pressure buffer chamber is preferably the cavity volume with given shape, therefore aperture section barometric gradient sharply declines, and has greatly weakened the generation that shallow-layer or local plane of weakness generation low pressure repeat splitting and ground grout, the phenomenon such as lift;
(2) in filter-press type orifice closure provided by the present invention, be provided with penetrating of cascading water, and penetrating of cascading water preferably consists of specific materials (such as high strength industrial filter cloth etc.), this makes the solid particle in grouting agent cannot be by penetrating of cascading water, grouting agent, in the local press filtration effect that produces of aperture section, significantly strengthens sealing of hole grouting effect; Can guarantee the pressure of being in the milk, obtain better grouting effect simultaneously;
(3) filter-press type orifice closure provided by the present invention, when scall is implemented packer grouting from bottom to top, does not need to wait to coagulate, and can pour into by continuance lifting, significantly improves work efficiency;
(4) the stratum applicability of filter-press type orifice closure provided by the present invention is strong, for the poor stratum of concrete castability, uses separately; And for the good scall of concrete castability, only need first pour into a certain amount of paste sealing of hole slurry, and treat solidifying a period of time, by filter-press type orifice closure and paste sealing of hole slurry associating sealing of hole.
Generally speaking, filter-press type orifice closure of the present invention is not only simple in structure, easy to make, and raw material are easy to get, product cost is low, use filter-press type orifice closure of the present invention not only can significantly strengthen sealing of hole grouting effect, and be conducive to guarantee be in the milk pressure, prevent the phenomenons such as low pressure repetition splitting, ground grout, ground lift, can pour into by continuance lifting, improve grouting construction efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of the filter-press type orifice closure in the embodiment of the present invention.
Fig. 2 is that filter-press type orifice closure in the embodiment of the present invention is along the main sectional view of axis direction.
Fig. 3 is that filter-press type orifice closure shown in Fig. 1 is along the sectional drawing at A-A place.
Fig. 4 is the partial enlarged drawing at B place in Fig. 2.
Marginal data:
1, gland; 2, wedge body; 21, wedge cavity volume; 3, abrasive rubber plug; 4, pedestal; 41 pedestal cavity volumes; 5, pressure buffer chamber; 6, cascading water is penetrating; 61, upper bracket; 62, lower carriage; 63, upper strata sealing silica gel plate pad; 64, lower floor's sealing silica gel plate pad; 65, filter cloth; 66, through hole; 67, interior ring; 68, outer shroud; 69, connection strap; 7, cascading water face adjuster; 71, hollow cross; 8, return pipe; 9, ears suspension ring; 10, outer silk.
The specific embodiment
For the ease of understanding the present invention, below in connection with Figure of description and preferred embodiment, the present invention is done more comprehensively, described meticulously, but protection scope of the present invention is not limited to following specific embodiment.
It should be noted that, when a certain element is described on " be fixed on, be fixed in or be connected in " another element, it can be directly to fix or be connected on another element, can be also indirectly fixed or be connected on another element by other intermediate connectors.
Unless otherwise defined, all technical terms of hereinafter using are identical with the implication that those skilled in the art understand conventionally.Technical term used herein, just in order to describe the object of specific embodiment, is not to be intended to limit the scope of the invention.
Apart from special instruction, various reagent, the raw material of using in the present invention is the commodity that can buy from the market or the product that can make by known method.
Embodiment:
A kind of filter-press type orifice closure that can be applicable to scall grouting of the present invention as shown in FIG. 1 to 3, this filter-press type orifice closure is mainly by gland 1, wedge body 2, abrasive rubber plug 3 and pedestal 4 form, gland 1 is located at wedge body 2 tops, in wedge body 2, being provided with abrasive rubber plug 3(the present embodiment, to select internal diameter be the abrasive rubber plug of 61mm, wedge body 2 belows are connected with pedestal 4, in wedge body 2 and pedestal 4, be respectively equipped with the wedge cavity volume 21 and the pedestal cavity volume 41 that for grout pipe, wear, pedestal cavity volume 41 tops include the pressure buffer chamber 5 of the progressive expansion of a volume near the position of wedge body 2, pressure buffer chamber 5 is in communication with the outside.
In the filter-press type orifice closure of the present embodiment, between the top of the bottom of wedge body 2 and pedestal 4, be connected with penetrating 6 of a cascading water, wedge body 2 is connected with pedestal 4 by penetrating 6 of cascading water, the middle part that cascading water is penetrating 6 offers the through hole 66 wearing for grout pipe, and pressure buffer chamber 5 is directly in communication with the outside by penetrating 6 of this cascading water.
As shown in Figure 4, in the filter-press type orifice closure of the present embodiment, penetrating 6 of cascading water is five layers of sandwiched structure, comprise the upper bracket 61 that is positioned at top layer and the lower carriage 62 that is positioned at the bottom, upper bracket 61 belows are provided with upper strata sealing silica gel plate pad 63, lower carriage 62 tops are provided with lower floor's sealing silica gel plate pad 64, in the middle of upper strata sealing silica gel plate Dian63He lower floor sealing silica gel plate pad 64, be provided with filter cloth 65(the present embodiment and select high strength industrial filter cloth), the material of the main water and air infiltration in can crossing filter solid sandstone, while tolerable reperfusion serosity of filter cloth 65 is made.In the filter-press type orifice closure of the present embodiment, upper bracket 61 and lower carriage 62 are ring support, and this ring support is mainly comprised of concentric interior ring 67 and outer shroud 68, between interior ring 67 and outer shroud 68, are provided with connection strap 69.In the present embodiment, the width of interior ring 67 is 12mm, and its dimension of inner and outer diameters is designed to respectively 62mm and 74mm; The width of outer shroud 68 is 30mm, and its inside and outside size is designed to respectively 120mm and 150mm; The quantity of the connection strap 69 in the present embodiment is four, the cross layout being centrosymmetric, and the width of connection strap 69 is 12mm, thick 8mm.Whole ring support can be irony or steel, can offer the screw (10mm) that connects fastening use on outer shroud 68.In addition, upper strata sealing silica gel plate Dian63He lower floor sealing silica gel plate pad 64 is similar annular, and the shape of upper strata sealing silica gel plate Dian63He lower floor sealing silica gel plate pad 64 is corresponding consistent with shape and the area of aforementioned ring support with area, the thickness of upper strata sealing silica gel plate Dian63He lower floor sealing silica gel plate pad 64 is 6mm.In the filter-press type orifice closure of the present embodiment, filter cloth 65 is similarly annular, and the shape of filter cloth 65 is corresponding consistent with the outline that upper strata sealing silica gel plate Dian63He lower floor seals silica gel plate pad 64 with area, the order number of filter cloth 65 is 2000, thickness is 4mm, in the present embodiment, the inside and outside footpath of filter cloth 65 is designed to respectively 61mm and 150mm, can offer equally screw (12mm) on filter cloth 65.
As shown in Figure 3, in the filter-press type orifice closure of the present embodiment, the top that cascading water is penetrating 6 is also equiped with the cascading water face adjuster 7 of penetrating 6 area of passages of an adjustable cascading water.Area of passage herein refers to the section area that penetrating of cascading water can be passed through for empty G&W when being in the milk sealing of hole, by the seepage discharge that can effectively control empty G&W that arranges of cascading water face adjuster 7.The cascading water face adjuster 7 of the present embodiment is mainly comprised of a hollow cross 71, and hollow cross 71 drives rotation or displacement to regulate the area of passage of penetrating 6 of cascading water by external driver device.
In the filter-press type orifice closure of the present embodiment, the outline that the end face outline of pressure buffer chamber 5 and cascading water are penetrating 6 overlaps, and the inwall of pressure buffer chamber 5 is an inverted cone surface, and the slope of inverted cone surface Up Highway UHW is 1, the angle of slope that is inverted cone surface is 45 °, and the wall thickness of pressure buffer chamber 5 is 10mm.
In the filter-press type orifice closure of the present embodiment, pedestal cavity volume 41 is also communicated with a return pipe 8, and the interface of return pipe 8 is arranged on the below of pressure buffer chamber 5.
Concrete installation and the method for operating of the filter-press type orifice closure that the present embodiment provides comprise: first use conventional boring method pore-forming, and lower orifice tube, lower floor is sealed on the lower carriage 62 that silica gel plate pad 64 is placed in pedestal 4 top pressure surge chamber 5 tops, on lower floor's sealing silica gel plate pad 64, place filter cloth 65 successively again, upper strata sealing silica gel plate pad 63 and the wedge body 2 that is provided with upper bracket 61, and the screw that aligns, again by bolt by upper bracket 61 with lower carriage 62 is fastening and clamp the core in the middle of being positioned at, form penetrating 6 of cascading water, and make wedge body 2 be connected in aggregates by penetrating 6 of cascading water with pedestal 4, then the pedestal of below 4 is alignd with orifice tube, and connect by outer silk 10, close return pipe 8, lower bigbore grout pipe makes its filter-press type orifice closure that passes the present embodiment to certain distance at the bottom of hole again, ears suspension ring 9 by wedge body 2 arranged outside screw gland 1, make the locking of abrasive rubber plug be located in the grout pipe in wedge cavity volume 21, according to the strata condition of reality perfusion, by cascading water face adjuster 7, regulate after the conveyance capacity of penetrating 6 of cascading water, can start grouting, after reaching grouting ending standard, by ears suspension ring 9, unclamp gland 1, promote grout pipe to design attitude, screw again gland 1, can carry out the perfusion of second segment, so repeatedly until aperture.
Claims (9)
1. one kind can be applicable to the filter-press type orifice closure that scall is in the milk, described filter-press type orifice closure is mainly by gland, wedge body, abrasive rubber plug and pedestal form, gland is located at wedge body top, in wedge body, be provided with abrasive rubber plug, wedge body below is connected with pedestal, in described wedge body and pedestal, be respectively equipped with the wedge cavity volume and the pedestal cavity volume that for grout pipe, wear, it is characterized in that: described pedestal cavity volume top includes the pressure buffer chamber of the progressive expansion of a volume near the position of wedge body, described pressure buffer chamber is in communication with the outside,
Between the bottom of described wedge body and the top of pedestal, be connected with penetrating of cascading water, wedge body is connected with pedestal by penetrating of cascading water, the middle part that cascading water is penetrating offers the through hole wearing for grout pipe, and described pressure buffer chamber is directly in communication with the outside by penetrating of this cascading water.
2. filter-press type orifice closure according to claim 1, it is characterized in that: penetrating of described cascading water is multilayer sandwiched structure, comprise the upper bracket that is positioned at top layer and the lower carriage that is positioned at the bottom, upper bracket below is provided with upper strata sealing silica gel plate pad, lower carriage top is provided with lower floor's sealing silica gel plate pad, in the middle of upper strata sealing silica gel plate Dian He lower floor sealing silica gel plate pad, be provided with filter cloth, described filter cloth is mainly by can filter solid particle in slurries, the material of water and air infiltration is made in tolerable reperfusion serosity simultaneously.
3. filter-press type orifice closure according to claim 2, is characterized in that: described upper bracket and lower carriage are ring support, and described ring support is mainly comprised of concentric interior ring and outer shroud, between interior ring and outer shroud, is provided with connection strap.
4. filter-press type orifice closure according to claim 2, it is characterized in that: described upper strata is sealed silica gel plate Dian He lower floor sealing silica gel plate pad and is annular, and the shape of upper strata sealing silica gel plate Dian He lower floor sealing silica gel plate pad is corresponding consistent with shape and the area of ring support with area, the thickness of upper strata sealing silica gel plate Dian He lower floor sealing silica gel plate pad is 3mm～8mm.
5. filter-press type orifice closure according to claim 3, it is characterized in that: described filter cloth is annular, and the shape of filter cloth is corresponding consistent with the outline that upper strata sealing silica gel plate Dian He lower floor seals silica gel plate pad with area, and the order number of described filter cloth is 1000～2000, and thickness is 3mm～6mm.
6. according to the filter-press type orifice closure described in any one in claim 1～5, it is characterized in that: the top that described cascading water is penetrating is also equiped with the cascading water face adjuster of penetrating area of passage of an adjustable cascading water.
7. filter-press type orifice closure according to claim 6, is characterized in that, described cascading water face adjuster is mainly comprised of a hollow cross, and hollow cross drives rotation to regulate the area of passage of penetrating of cascading water by external driver device.
8. according to the filter-press type orifice closure described in any one in claim 1～5, it is characterized in that: the end face outline of described pressure buffer chamber overlaps with the outline of penetrating of described cascading water, the inwall of pressure buffer chamber is an inverted cone surface, and the slope of inverted cone surface Up Highway UHW is 1, the wall thickness of pressure buffer chamber is 10mm～16mm.
9. according to the filter-press type orifice closure described in any one in claim 1～5, it is characterized in that: described pedestal cavity volume is communicated with a return pipe, the interface of described return pipe is arranged on the below of described pressure buffer chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410064671.4A CN103774683B (en) | 2014-02-25 | 2014-02-25 | Filter pressing type orifice sealer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410064671.4A CN103774683B (en) | 2014-02-25 | 2014-02-25 | Filter pressing type orifice sealer |
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| Publication Number | Publication Date |
|---|---|
| CN103774683A CN103774683A (en) | 2014-05-07 |
| CN103774683B true CN103774683B (en) | 2014-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410064671.4A Expired - Fee Related CN103774683B (en) | 2014-02-25 | 2014-02-25 | Filter pressing type orifice sealer |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107090833B (en) * | 2017-05-16 | 2018-03-09 | 长沙理工大学 | A kind of filter-press type provisions for grouting and its grouting method for broken ground |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4385663A (en) * | 1981-08-03 | 1983-05-31 | Chevron Research Company | Packerless well completion assembly |
| KR100645071B1 (en) * | 2006-05-26 | 2006-11-15 | (주) 신풍컨설턴트 | A grouting unit of a high powerness steel pipe |
| CN201095769Y (en) * | 2007-09-01 | 2008-08-06 | 蒋宗馗 | Rotary aperture sealer for high-pressure grouting |
| CN102877861A (en) * | 2012-10-17 | 2013-01-16 | 中国水利水电第六工程局有限公司 | Orifice closing device applied to advance slurry grouting at water gushing section of underground grotto |
| CN103031847A (en) * | 2012-12-20 | 2013-04-10 | 长江勘测规划设计研究有限责任公司 | Reducing overlap joint combined type orifice pipe grouting method |
-
2014
- 2014-02-25 CN CN201410064671.4A patent/CN103774683B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4385663A (en) * | 1981-08-03 | 1983-05-31 | Chevron Research Company | Packerless well completion assembly |
| KR100645071B1 (en) * | 2006-05-26 | 2006-11-15 | (주) 신풍컨설턴트 | A grouting unit of a high powerness steel pipe |
| CN201095769Y (en) * | 2007-09-01 | 2008-08-06 | 蒋宗馗 | Rotary aperture sealer for high-pressure grouting |
| CN102877861A (en) * | 2012-10-17 | 2013-01-16 | 中国水利水电第六工程局有限公司 | Orifice closing device applied to advance slurry grouting at water gushing section of underground grotto |
| CN103031847A (en) * | 2012-12-20 | 2013-04-10 | 长江勘测规划设计研究有限责任公司 | Reducing overlap joint combined type orifice pipe grouting method |
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| CN103774683A (en) | 2014-05-07 |
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