CN203188219U - High-pressure grouting cooling water accessible rotary type orifice sealer - Google Patents
High-pressure grouting cooling water accessible rotary type orifice sealer Download PDFInfo
- Publication number
- CN203188219U CN203188219U CN 201320145857 CN201320145857U CN203188219U CN 203188219 U CN203188219 U CN 203188219U CN 201320145857 CN201320145857 CN 201320145857 CN 201320145857 U CN201320145857 U CN 201320145857U CN 203188219 U CN203188219 U CN 203188219U
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- Prior art keywords
- rubber ring
- cooling water
- base
- pedestal
- drilling rod
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- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The utility model provides a high-pressure grouting cooling water accessible rotary type orifice sealer. The orifice sealer comprises a base, a press cover and a rubber ring, wherein the rubber ring is arranged on a boss in the middle of an inner wall of the base, the upper portion of the base is provided with a cooling water connector, the lower portion of the base is provided with a grout return pipe connector, the press cover is screwed at the top of the base in a threaded connection mode and tightly presses the annular rubber ring, and the rubber ring is cooled by water supplied through the cooling water connector at the upper portion of the base. The high-pressure grouting cooling water accessible rotary type orifice sealer can prevent the rubber ring from being heated and deforming when a drill rod rotates for a long period of time and ensure tight holding of the rubber ring and the drill rod, and grout leakage does not occur when the drill rod rotates for a long period of time.
Description
Technical field
The utility model relates to a kind of high-pressure slip-casting can lead to the rotary aperture of cooling water sealer.
Background technology
At present, aperture closure grouting technology is all adopted in the antiseepage of Hydraulic and Hydro-Power Engineering building rock foundation.The aperture closing process belongs to a kind of in the grouting construction worker method from top to bottom, is domestic job practices commonly used at present, and its advantage is need not be lowered to packer, easy construction in the hole; After every section grouting finishes, need not wait to coagulate, can begin the boring of next section, accelerate progress; The upper hole section can repeatedly be repeated perfusion, and is favourable to improving grouting quality; Be conducive to strengthen grouting pressure.When the major defect of aperture closure grouting technology was longer in the perfusion underflow time, grout pipe (drilling rod) was clogged by cement in the hole easily.For this reason must the good aperture sealer of functional performance, so as in filling process frequent movable grout pipe (drilling rod), prevent that it from being clogged by cement paste.
Existing aperture sealer utilizes the elasticity of rubber ring and toughness to expand under the effect of gland pressure and holds drilling rod tightly, slurries form circulation in the hole in the blind hole, and grout pipe is rotated and lifting flexibly at sealer center, aperture, make drilling rod disturb the slurries that flow in the hole as stirring rod, change the slurries fluidised form, alleviate the slurries rate of set, reach the purpose that overcomes solid pipe.Because the active force that rubber ring transmits is inhomogeneous, can not form self-lubrication after cement grout enters between drilling rod and the rubber and increase friction factor, the rubber ring heating produced distortion when drilling rod rotated for a long time, it is not tight to cause rubber ring and drilling rod to be held tightly, spillage occurs.
The utility model content
The technical problems to be solved in the utility model is to overcome the prior art deficiency, provide a kind of good leak tightness, processing easy, install easily, prevent rubber ring heating distortion, and can guarantee to be in the milk the time drilling rod long-time continuous rotate the not aperture sealer of spillage.
For this reason, the utility model provides a kind of high-pressure slip-casting can lead to the rotary aperture of cooling water sealer, comprise cylindrical base, rubber ring and gland, rubber ring is arranged on the base internal wall middle part, the bottom of pedestal is provided with the return pipe joint, gland is tightened in the pedestal top and compresses rubber ring by thread connecting mode, and the top of pedestal is provided with the warter connection that rubber ring is cooled off for water flowing.
The base internal wall middle part can be provided with boss, and rubber ring is arranged on the described boss.
Pedestal can be provided with for the screw connection structure that connects orifice tube.In filling process, when the grouting slurries when inlet pipe is at the bottom of the hole, slurry infiltration enters the crack in slush pump high pressure effect lower part, part slurries are full of that cavity refluxes at a high speed between whole hole wall and the drilling rod, in order to prevent that slurries from condensing between drilling rod and hole wall, need constantly to rotate drilling rod, make additional fresh slurries rapidly and virgin pulp liquid stirs evenly and changes the slurries fluidised form simultaneously, reach the purpose that prevents from embracing brill, bury drills, ensured the continuity of filling process simultaneously.And cooling water assembly of the present utility model has the function to rubber ring cooling, the rubber ring distortion of not generating heat in the time of can drilling rod rotates for a long time in filling process, and assurance rubber ring and drilling rod are held tightly tight, spillage do not occur.
The rotary aperture of the cooling water sealer that leads to of the present utility model can carry out the part combination in advance, inside is lubricated, after treating that drilling rod is at the bottom of the hole, the pedestal that rubber ring is housed is installed as a whole, link to each other with orifice tube, treat that drilling rod is mentioned 20～50cm after, tighten the steel headkerchief at the pedestal top, connect cooling water and advance the overfall pipeline, the operation of can being in the milk.
Compared with prior art, advantage of the present utility model is:
1, the rotary aperture of the cooling water sealer that leads to of the present utility model is installed facility, is saved time, and processing is simple.It is of the present utility model that to lead to the rotary aperture of cooling water sealer all be by being threaded, only need pipe wrench can finish installation, than traditional cassette aperture sealer, the utility model has reduced by 4 place's bolts and has connected, and has avoided bolt connection stripped thread or has immersed the inconvenience that cement grout causes installation.
2, the rotary aperture of the cooling water sealer good seal performance of leading to of the present utility model.Existing aperture sealer is because the active force that rubber ring transmits is inhomogeneous, can not form self-lubrication after cement grout enters between drilling rod and the rubber and increase friction factor, rubber ring heating when drilling rod rotates for a long time, produce distortion, it is not tight to cause rubber ring and drilling rod to be held tightly, spillage appears, and the cooling water assembly that the utility model installs additional, rubber ring heating distortion when preventing that drilling rod rotates for a long time in filling process, assurance rubber ring and drilling rod are held tightly tightly, spillage do not occur, effectively overcome above-mentioned defective.
Therefore the cooling water assembly that the utility model installs additional cools off rubber ring when drilling rod rotates for a long time in filling process, prevents rubber ring heating distortion, has guaranteed that rubber ring and drilling rod hold tightly tightly, spillage do not occur; Processing of the present utility model simultaneously and installation procedure are simplified, and are conducive to improve work efficiency.
Description of drawings
Fig. 1 is the structure chart that leads to the rotary aperture of cooling water sealer of the present utility model.
Illustrate:
The 1-gland, 2-rubber ring, 3-pedestal, 4-drilling rod, 5-orifice tube, 6-warter connection, 7-return pipe joint.
The specific embodiment
The rotary aperture of led to cooling water as shown in Figure 1 sealer, comprise cylindrical base 3, rubber ring 2 and gland 1, rubber ring 2 is arranged on the boss at pedestal 3 inwalls middle part, the top of pedestal 3 is provided with warter connection 6, the bottom of pedestal 3 is provided with return pipe joint 7, gland 1 is tightened in pedestal 3 tops and compresses rubber ring 2 by thread connecting mode, and by warter connection 6 water flowings on pedestal 3 tops rubber ring 2 is cooled off.
As shown in Figure 1, at first will drilling rod 4(before the grouting utilize drilling rod as Grout-jetting pipe in the grouting) at the bottom of the hole, and then adopt pipe wrench that pedestal 3 is threaded with orifice tube 5, again rubber ring 2 is passed drilling rod 4, the boss portion that pedestal 3 inwalls of packing into are established, steel headkerchief 1 is installed again and is tightened, make rubber ring 2 produce extruding and hold drilling rod 4 tightly, reach the effect that sealing ends slurry.
After the installation, drilling rod is mentioned 20～50cm guarantee that slurries are unimpeded at the bottom of the hole.As shown in Figure 1, at the bottom of cement grout enters the hole by drilling rod 4 in filling process, and by being back to return pipe joint 7 places of pedestal 3 between drilling rod 4 and the hole wall, at last to the agitator that is in the milk.Because the gap is less between drilling rod 4 and hole wall, (4～6MPa) easily solidify cement grout, and hole wall and drilling rod are linked together, and cause drilling accidents such as embracing brill, for fear of drilling accident, need the continuously active drilling rod at high pressure.
Existing aperture sealer is because the active force that rubber ring transmits is inhomogeneous, can not form self-lubrication after cement grout enters between drilling rod and the rubber and increase friction factor, the rubber ring heating produced distortion when drilling rod rotated for a long time, it is not tight to cause rubber ring and drilling rod to be held tightly, spillage occurs.And the cooling water assembly that the utility model installs additional, rubber ring heating distortion in the time of can preventing that drilling rod rotates for a long time in filling process guarantees that rubber ring and drilling rod hold tightly tightly, spillage do not occur.Therefore but long-time continuous is rotated drilling rod in filling process, has obtained better technical effect.
Claims (3)
1. a high-pressure slip-casting can lead to the rotary aperture of cooling water sealer, it is characterized in that, comprise cylindrical base (3), rubber ring (2) and gland (1), rubber ring (2) is arranged on pedestal (3) inwall middle part, the bottom of pedestal (3) is provided with return pipe joint (7), gland (1) is tightened in pedestal (3) top and compresses rubber ring (2) by thread connecting mode, and the top of pedestal (3) is provided with the warter connection (6) that rubber ring (2) is cooled off for water flowing.
2. high-pressure slip-casting according to claim 1 can lead to the rotary aperture of cooling water sealer, it is characterized in that, pedestal (3) inwall middle part is provided with boss, and rubber ring (2) is arranged on the described boss.
3. high-pressure slip-casting according to claim 1 can lead to the rotary aperture of cooling water sealer, it is characterized in that, pedestal (3) is provided with for the screw connection structure that connects orifice tube (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320145857 CN203188219U (en) | 2013-03-27 | 2013-03-27 | High-pressure grouting cooling water accessible rotary type orifice sealer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320145857 CN203188219U (en) | 2013-03-27 | 2013-03-27 | High-pressure grouting cooling water accessible rotary type orifice sealer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203188219U true CN203188219U (en) | 2013-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320145857 Expired - Fee Related CN203188219U (en) | 2013-03-27 | 2013-03-27 | High-pressure grouting cooling water accessible rotary type orifice sealer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203188219U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108930523A (en) * | 2018-09-06 | 2018-12-04 | 中南勘察基础工程有限公司 | A kind of high-pressure slip-casting aperture abnormity locking device |
| CN109236227A (en) * | 2018-08-02 | 2019-01-18 | 中国水利水电第十六工程局有限公司 | Rotatable orifice closure |
-
2013
- 2013-03-27 CN CN 201320145857 patent/CN203188219U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236227A (en) * | 2018-08-02 | 2019-01-18 | 中国水利水电第十六工程局有限公司 | Rotatable orifice closure |
| CN108930523A (en) * | 2018-09-06 | 2018-12-04 | 中南勘察基础工程有限公司 | A kind of high-pressure slip-casting aperture abnormity locking 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: 20130911 Termination date: 20210327 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |