CN115538414B - Deep hole double-liquid grouting device for dynamic water curtain - Google Patents

Deep hole double-liquid grouting device for dynamic water curtain Download PDF

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Publication number
CN115538414B
CN115538414B CN202211369293.1A CN202211369293A CN115538414B CN 115538414 B CN115538414 B CN 115538414B CN 202211369293 A CN202211369293 A CN 202211369293A CN 115538414 B CN115538414 B CN 115538414B
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grouting
plate
hole
slurry
guide pipe
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CN115538414A (en
Inventor
韩贵雷
袁胜超
刘大金
蒋鹏飞
薛晓峰
王志奇
张晶
章爱卫
赵晓明
王云
王洪亮
史建松
李维欣
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North China Engineering Investigation Institute Co ltd
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North China Engineering Investigation Institute Co ltd
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/12Consolidating by placing solidifying or pore-filling substances in the soil
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/12Consolidating by placing solidifying or pore-filling substances in the soil
    • E02D3/126Consolidating by placing solidifying or pore-filling substances in the soil and mixing by rotating blades
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Agronomy & Crop Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Soil Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)

Abstract

The invention provides a deep hole double-liquid grouting device for a movable water curtain, wherein a slurry supply mechanism is connected with a first conduit, a water glass supply mechanism is connected with a second conduit, and a control mechanism is respectively connected with a cement slurry supply mechanism and a water glass supply mechanism; the slurry stopping mechanism is arranged in the slurry injecting hole, the slurry stopping mechanism is detachably arranged at the tail end of the second conduit, an elastic sleeve is arranged on the slurry stopping mechanism, a flow stopping component is arranged at the bottom of the slurry stopping mechanism, the first conduit penetrates through and stretches into the lower part of the slurry stopping mechanism, and the mixing mechanism is connected to the tail end of the first conduit. According to the invention, the elastic sleeve and the flow stopping assembly are arranged on the slurry stopping mechanism, so that the grouting holes can be plugged due to the fact that water glass is injected into the slurry stopping mechanism, the elastic sleeve is outwards protruded, when the pressure in the slurry stopping mechanism reaches a preset value, the flow stopping assembly is opened due to the pressure of the slurry stopping mechanism, the water glass in the slurry stopping mechanism is recovered after the grouting is finished, the plugging can be removed, and the convenience of using the deep hole double-liquid grouting device of the dynamic water curtain is improved.

Description

Deep hole double-liquid grouting device for dynamic water curtain
Technical Field
The invention belongs to the technical field of grouting equipment, and particularly relates to a deep hole double-liquid grouting device for a dynamic water curtain.
Background
The double-liquid grouting is characterized in that water glass and cement paste are alternately injected into soil, and the two solutions react rapidly to generate silica gel and calcium silicate gel, so that the functions of cementing and filling pores are achieved, and the strength and bearing capacity of the soil are improved. It is commonly used for foundation reinforcement of silt, sand and filled earth.
In practical operation, a double-liquid grouting device is often needed for double-liquid grouting, cement slurry and water glass are poured by a single pipe, however, resistance is increased after the cement slurry is coagulated to form a gel state substance, and the cement slurry is difficult to push into a lower karst fracture by means of the pressure of a grouting pump. In order to push the gel state slurry calculus body into a deep karst structure, a high-pressure grouting pump is needed, but the strength of a shallow stratum is low, and ground slurry overflow accidents caused by cleavage of the shallow stratum often occur during high-pressure grouting, so that the grouting process is interrupted. And because grouting pressure is high and accidents are easy to occur, the disposable grouting amount of the slurry is limited, the diffusion and the retention of the slurry in a karst structure under a water movement condition are difficult to ensure, and the grouting effect is poor, so that the double-pipe grouting device is more and more popular with people.
However, when the double-pipe grouting is utilized, grouting holes are often required to be plugged, so that the grouting liquid is poured into the position to be reinforced, the plugging mechanism of the existing filling device is often complex in operation, the grouting holes are difficult to plug, the recovery steps are complex after grouting is finished, and the convenience in use of the double-pipe grouting device is reduced.
Disclosure of Invention
The invention aims to provide a deep hole double-liquid grouting device for a dynamic water curtain, which solves the problem that the conventional grouting device is inconvenient to use.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a move two liquid grouting devices of water curtain deep hole, including grout supply mechanism, sodium silicate supply mechanism, control mechanism, end thick liquid mechanism and mixed mechanism, wherein, the thick liquid supply mechanism is connected with first pipe, first pipe stretches into in the slip casting hole; the water glass supply mechanism is connected with a second guide pipe which extends into the grouting hole; the control mechanism is respectively connected with the cement paste supply mechanism and the water glass supply mechanism; the grouting device comprises a grouting hole, a grouting mechanism, an elastic sleeve, a grouting hole, a grouting sleeve and a grouting sleeve, wherein the grouting mechanism is arranged in the grouting hole, the grouting mechanism is detachably arranged at the tail end of the second guide pipe, the elastic sleeve is arranged on the grouting mechanism, the bottom of the grouting mechanism is provided with a flow stopping assembly, and the elastic sleeve is outwards protruded due to injection of water glass into the grouting mechanism and can plug the grouting hole, when the pressure in the slurry stopping mechanism reaches a preset value, the flow stopping assembly is started due to the pressure of the slurry stopping mechanism, water glass in the slurry stopping mechanism can enter the grouting holes below through the flow stopping assembly, and the first guide pipe penetrates through and stretches into the lower side of the slurry stopping mechanism; the mixing mechanism is connected to the tail end of the first conduit, and the mixing mechanism can uniformly mix the water glass and the cement paste in the grouting holes.
In one possible implementation manner, the slurry stopping mechanism includes a top plate, a bottom plate, an elastic sleeve and a fixing assembly, wherein the fixing assembly is arranged on the top plate, and the elastic sleeve is connected between the top plate and the bottom plate, so that the top plate, the bottom plate and the elastic sleeve are enclosed to form a column shape.
In a possible implementation manner, the top plate is provided with a jack, the outer diameter of the second guide pipe is the same as that of the jack, a plurality of first mounting grooves are formed in the position, close to the tail end, of the second guide pipe, a first clamping plate is slidably arranged in each first mounting groove, a first spring is arranged between the first clamping plate and the side wall of the first mounting groove, when the first spring is in a natural state, one end of each first clamping plate is arranged in the second guide pipe, and the other end of each first clamping plate does not extend out of the first mounting groove; the first clamping plate can slide outwards under the action of external force, so that part of the first clamping plate extends out of the first mounting groove, and the second guide pipe cannot be pulled out of the jack due to mutual clamping between the first clamping plate and the top plate.
In a possible implementation manner, the part of the first clamping plate extending into the second guide pipe encloses a first via hole, the diameter of the first via hole can be increased or reduced due to sliding of the first clamping plate, an adjusting ball is arranged in the second guide pipe, the diameter of the adjusting ball is larger than that of the first via hole, a plurality of first liquid outlet holes are formed in the first clamping plate, and when water glass is injected into the slurry stopping mechanism through the second guide pipe, under the impact of the water glass, the adjusting ball moves downwards and locally extends into the first via hole, so that the first clamping plate slides outwards.
In one possible implementation manner, a second mounting groove is formed in a position, close to the tail end, of the second guide pipe, a clamping block is arranged on the first clamping plate, the clamping block is arranged in the second mounting groove, the first spring is connected to the clamping block and the side wall of the second mounting groove, and when the clamping block is in butt joint with the side wall of the second mounting groove, the diameter of the first through hole is smaller than that of the adjusting ball.
In one possible implementation manner, the fixing assembly includes a plurality of fixing legs surrounding the top plate, each fixing leg is slidably disposed on the top plate along a radial direction of the top plate, the fixing legs include a connecting plate and a fixing plate, the connecting plate is horizontally disposed, the fixing plate is connected to an outer side of the connecting plate, the fixing plate is obliquely disposed upwards, and the fixing plate can be in or out of abutting connection with a side wall of the grouting hole due to sliding.
In one possible implementation manner, the top plate is provided with an extending groove, a sliding block is arranged in the extending groove in a sliding manner, a second spring is arranged between the sliding block and the side wall of the extending groove, the connecting plate is fixedly arranged on the sliding block, and when the second spring is in a natural state, the fixing plate and the side wall of the grouting hole are arranged at intervals.
In a possible implementation manner, the slider is provided with an adjusting plate, when the second spring is in a natural state, a part of the adjusting plate extends into the second guide pipe, each adjusting plate encloses a second through hole, the tail end of the second guide pipe is provided with a reducing section, the diameter of the reducing section is set from small to large from bottom to top, the diameter of the lower end of the reducing section is smaller than that of the second through hole, and the adjusting plate slides outwards and is accommodated in the extending groove along with the insertion of the second guide pipe into the second through hole, so that the slider slides outwards, and at the moment, the fixing pin is abutted to the side wall of the grouting hole.
In one possible implementation manner, the mixing mechanism comprises an end plate and stirring rods, the end plate is pivoted at the tail end of the first guide pipe, the stirring rods are arranged on the end plate and are inserted into the first guide pipe, the stirring rods are arranged on the end plate, the stirring rods are sleeved on the outer side of the first guide pipe, first auger blades are arranged on the stirring rods, second auger blades are arranged on the stirring rods, and a plurality of second liquid outlet holes are formed in the end plate.
In one possible implementation manner, the bottom of the bottom plate is provided with a liquid outlet pipe, the flow stopping assembly comprises a flow stopping plate and a torsion spring, the torsion spring is arranged on the side wall of the liquid outlet pipe, the flow stopping plate is obliquely arranged, the flow stopping plate is connected with the torsion spring, and when the torsion spring is in a natural state, the flow stopping plate seals the liquid outlet pipe.
The deep hole double-liquid grouting device for the movable water curtain has the beneficial effects that: compared with the prior art, the grouting device has the advantages that grouting of cement slurry and water glass can be conveniently performed by arranging the cement slurry supply mechanism and the water glass supply mechanism, the grouting mechanism is provided with the elastic sleeve and the flow stopping assembly, the elastic sleeve is outwards protruded due to injection of the water glass into the grouting mechanism, the grouting hole can be plugged, when the pressure in the grouting mechanism reaches a preset value, the flow stopping assembly is opened due to the pressure of the grouting mechanism, the water glass in the grouting mechanism can enter the grouting hole below through the flow stopping assembly, external force is not needed to intervene, plugging of the grouting hole can be completed only by starting grouting, the water glass in the grouting mechanism can be recovered after grouting is completed, and the use convenience of the double-liquid grouting device for the deep hole of the movable water curtain is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a deep hole double-liquid grouting device for a dynamic water curtain, which is provided by the embodiment of the invention;
fig. 2 is a schematic structural diagram of a slurry stopping mechanism according to an embodiment of the present invention;
FIG. 3 is a top view of a slurry stop mechanism according to an embodiment of the present invention;
FIG. 4 is a schematic view of a second embodiment of a slurry stop mechanism in a second catheterized state;
fig. 5 is an enlarged view of a portion a of fig. 4;
FIG. 6 is a schematic structural diagram of a first card according to an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a slurry stopping mechanism in a molten glass filling state according to an embodiment of the present invention;
fig. 8 is an enlarged view of a portion B of fig. 7;
fig. 9 is a schematic structural diagram of a mixing mechanism according to an embodiment of the present invention.
Wherein, each reference sign is as follows in the figure:
1. a cement paste supply mechanism; 2. a water glass supply mechanism; 3. a control mechanism; 4. a slurry stopping mechanism; 5. a mixing mechanism; 6. grouting holes;
101. a first conduit;
201. a second conduit; 202. a first clamping plate; 203. a clamping block; 204. a first spring; 205. a reducing section; 206. a first liquid outlet hole; 207. an adjusting ball; 208. a second mounting groove; 209. a first via;
401. a top plate; 402. an elastic sleeve; 403. a liquid outlet pipe; 404. a bottom plate; 405. a slide block; 406. extending out of the groove; 407. a connecting plate; 408. a fixing plate; 409. a second clamping plate; 410. a flow stop plate; 411. a second via; 412. a second spring;
501. an end plate; 502. a stirring rod; 503. a first auger blade; 504. a second auger blade; 505. a second liquid outlet hole; 506. a stirring cylinder.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
It should be further noted that the drawings and embodiments of the present invention mainly describe the concept of the present invention, and on the basis of the concept, some specific forms and arrangements of connection relationship, position relationship, power mechanism, power supply system, hydraulic system, control system, etc. may not be completely described, but those skilled in the art can implement the specific forms and arrangements described above in a well-known manner on the premise of understanding the concept of the present invention.
When an element is referred to as being "fixed" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
The terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the same sense as the orientation or positional relationship shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" means two or more, and the meaning of "a number" means one or more, unless specifically defined otherwise.
The deep hole double-liquid grouting device for the movable water curtain provided by the invention is described.
Referring to fig. 1 and 2, the deep hole dual-liquid grouting device for a moving water curtain includes a cement slurry supply mechanism 1, a water glass supply mechanism 2, a control mechanism 3, a slurry stopping mechanism 4 and a mixing mechanism 5, wherein the slurry supply mechanism is connected with a first conduit 101, and the first conduit 101 extends into a grouting hole 6; the water glass supply mechanism 2 is connected with a second conduit 201 which extends into the grouting hole 6; the control mechanism 3 is respectively connected with the cement paste supply mechanism 1 and the water glass supply mechanism 2; the grouting mechanism 4 is arranged in the grouting hole 6, the grouting mechanism 4 is detachably arranged at the tail end of the second conduit 201, the grouting mechanism 4 is provided with an elastic sleeve 402, the bottom of the grouting mechanism 4 is provided with a flow stopping component, the elastic sleeve 402 protrudes outwards due to the injection of water glass into the grouting mechanism 4, the grouting hole 6 can be plugged, when the pressure in the slurry stopping mechanism 4 reaches a preset value, the flow stopping assembly is started due to the pressure of the slurry stopping mechanism 4, water glass in the slurry stopping mechanism 4 can enter the lower grouting holes 6 through the flow stopping assembly, and the first guide pipe 101 penetrates through and stretches into the lower part of the slurry stopping mechanism 4; the mixing mechanism 5 is connected to the end of the first conduit 101, and the mixing mechanism 5 can uniformly mix the water glass and the cement slurry in the grouting holes 6.
The beneficial effect of the deep hole double-liquid grouting device of the movable water curtain provided by the embodiment is that: compared with the prior art, the dynamic water curtain deep hole double-liquid grouting device provided by the embodiment can be convenient for grouting cement paste and water glass by arranging the cement paste supply mechanism 1 and the water glass supply mechanism 2, by arranging the grouting stopping mechanism 4, the grouting stopping mechanism 4 is provided with the elastic sleeve 402 and the grouting stopping assembly, the grouting holes 6 can be plugged due to the fact that the water glass is injected into the grouting stopping mechanism 4, when the pressure in the grouting stopping mechanism 4 reaches a preset value, the grouting stopping assembly is opened due to the pressure of the grouting stopping mechanism 4, the water glass in the grouting stopping mechanism 4 can enter the grouting holes 6 below through the grouting stopping assembly, the plugging of the grouting holes 6 can be completed only by starting grouting, the water glass in the grouting stopping mechanism 4 can be recovered after grouting is completed, and the convenience in use of the dynamic water curtain deep hole double-liquid grouting device is improved.
In this embodiment, the cement supply mechanism includes a high-speed vortex pulping machine, a low-speed stirring cylinder 506 and a first high-pressure pump which are sequentially connected, the high-speed vortex pulping machine is connected with a feeding device to feed cement and water to the high-speed vortex pulping machine, the first conduit 101 is connected with the first high-pressure pump, and a first flowmeter is provided on the first conduit 101. The high-speed vortex pulper, the low-speed stirring cylinder 506, the first high-pressure pump, the first flowmeter and the feeding device are all connected with the control mechanism 3, so that the control mechanism 3 can control the cement supply mechanism to prepare cement slurry and fill the grouting holes 6.
The glass water supply mechanism comprises a glass water storage barrel and a high-pressure pump which are connected with each other, the second high-pressure pump is connected with the second conduit 201, a second flowmeter is arranged on the second conduit 201 outside the glass water storage barrel, and the second flowmeter and the second high-pressure pump are both connected with the control mechanism 3, so that the control mechanism can control the glass water supply mechanism to perform glass water filling on the grouting holes 6.
After the cement slurry proportion, the two slurry proportions and the grouting pressure are preset in the control mechanism 3, automatic grouting can be realized, and the grouting process pressure and flow can be recorded and adjusted in real time.
As shown in fig. 2, the slurry stopping mechanism 4 includes a top plate 401, a bottom plate 404, an elastic sleeve 402 and a fixing assembly, the fixing assembly is disposed on the top plate 401, and the elastic sleeve 402 is connected between the top plate 401 and the bottom plate 404, so that the top plate 401, the bottom plate 404 and the elastic sleeve 402 are enclosed to form a column shape. After the glass water is injected into the grouting mechanism 4, the elastic sleeve 402 is outwards protruded and tightly abutted on the side wall of the grouting hole 6, so that the grouting hole 6 is plugged.
In order to facilitate the installation and the disassembly of the second conduit 201 on the slurry stopping mechanism 4, the top plate 401 is provided with a jack, the outer diameter of the second conduit 201 is the same as that of the jack, so that when the second conduit 201 is inserted into the jack, the second conduit 201 is tightly attached to the side wall of the jack, and glass water is prevented from being sprayed out of the jack.
As shown in fig. 4 and 5, a plurality of first mounting grooves are formed in the second conduit 201 near the end, first clamping plates 202 are slidably disposed in each first mounting groove, first springs 204 are disposed between the first clamping plates 202 and the side walls of the first mounting grooves, when the first springs 204 are in a natural state, one end of each first clamping plate 202 is disposed in the second conduit 201, and the other end of each first clamping plate 202 does not extend out of the first mounting groove.
As shown in fig. 7 and 8, the first clamping plate 202 can slide outwards under the action of external force, so that part of the first clamping plate 202 extends out of the first mounting groove, and the second conduit 201 cannot be pulled out of the jack due to the mutual clamping between the first clamping plate 202 and the top plate 401.
As shown in fig. 6, the portion of the first card 202 extending into the second conduit 201 encloses the first via hole 209, and the diameter of the first via hole 209 can be increased or decreased by sliding the first card 202. As shown in fig. 5, an adjusting ball 207 is disposed in the second conduit 201, the diameter of the adjusting ball 207 is larger than that of the first through hole 209, and a plurality of first liquid outlet holes 206 are disposed on the first clamping plate 202. As shown in fig. 7 and 8, when the second conduit 201 injects the water glass into the slurry stopping mechanism 4, the adjusting ball 207 moves down and partially stretches into the first through hole 209 under the impact of the water glass, so that the first clamping plate 202 slides outwards, and the water glass enters the slurry stopping mechanism 4 through the first liquid outlet 206.
As shown in fig. 5, a second mounting groove 208 is formed at a position of the second conduit 201 near the end, a clamping block 203 is formed on the first clamping plate 202, the clamping block 203 is disposed in the second mounting groove 208, the first spring 204 is connected to the clamping block 203 and a side wall of the second mounting groove 208, and when the clamping block 203 abuts against the side wall of the second mounting groove 208, a diameter of the first through hole 209 is smaller than a diameter of the adjusting ball 207. The presence of the latch 203 serves to limit the movement of the first card 202 and prevent the adjustment ball 207 from falling out of the first via 209.
Further, it is to be noted that, in order to keep the adjustment ball 207 directly above the first via hole 209, the top surface of the first card 202 is arranged obliquely in such a direction as to be from low to high from one end close to the axis of the second duct 201 to one end away from the axis of the second duct 201.
As shown in fig. 2, the fixing assembly includes a plurality of fixing legs arranged around the top plate 401, each fixing leg is slidably arranged on the top plate 401 along a radial direction of the top plate 401, each fixing leg includes a connecting plate 407 and a fixing plate 408, the connecting plate 407 is horizontally arranged, the fixing plates 408 are connected to an outer side of the connecting plate 407, the fixing plates 408 are obliquely arranged upwards, the fixing plates 408 can be abutted or released from being abutted with a side wall of the grouting hole 6 due to sliding, and when the fixing plates 408 are abutted with the side wall of the grouting hole 6, an auxiliary fixing effect can be achieved on the grouting mechanism 4 to prevent the grouting mechanism 4 from being pushed upwards by excessive pressure below.
In this embodiment, an extending groove 406 is formed on the top plate 401, a sliding block 405 is slidably disposed in the extending groove 406, a second spring 412 is disposed between the sliding block 405 and a side wall of the extending groove 406, the connecting plate 407 is fixedly disposed on the sliding block 405, and when the second spring 412 is in a natural state, the fixing plate 408 and the side wall of the grouting hole 6 are disposed at intervals.
The slider 405 is provided with an adjustment plate 409. As shown in fig. 3, when the second spring 412 is in a natural state, a part of the adjusting plates 409 extend into the second conduit 201, and each adjusting plate 409 encloses the second through hole 411. The end of the second conduit 201 is provided with a reducing section 205, the diameter of the reducing section 205 is from bottom to top from small to large, the diameter of the lower end of the reducing section 205 is smaller than the diameter of the second through hole 411, along with the insertion of the second conduit 201 into the second through hole 411, the adjusting plate 409 slides outwards and is accommodated in the extending groove 406, so that the sliding block 405 slides outwards, and at the moment, the fixing foot abuts against the side wall of the grouting hole 6, and the fixing of the grouting stopping mechanism 4 is completed.
As also shown in fig. 3, the first conduit 101 is disposed through the slurry stopping mechanism 4, and the position of the first conduit 101 passing through the top plate 401 avoids the protruding groove 406, and the first conduit 101 is zigzag in the slurry stopping mechanism 4, so that the position of the first conduit 101 protruding to the outer side of the slurry stopping mechanism 4 is the center of the grouting hole 6.
As shown in fig. 9, the mixing mechanism 5 includes an end plate 501, a stirring rod 502 and a stirring cylinder 506, the end plate 501 is pivotally disposed at the end of the first conduit 101, the stirring rod 502 is disposed on the end plate 501 and is inserted into the first conduit 101, the stirring cylinder 506 is disposed on the end plate 501, the stirring cylinder 506 is sleeved outside the first conduit 101, the stirring rod 502 is provided with a first auger blade 503, the stirring cylinder 506 is provided with a second auger blade 504, and the end plate 501 is provided with a plurality of second liquid outlets 505. The cement paste is discharged from the second liquid outlet to the lower part of the slurry stopping mechanism 4, and meanwhile, due to the existence of the first auger blade 503, when the cement paste flows in the first conduit 101, the stirring rod 502 is driven to rotate, and meanwhile, the band-pass stirring cylinder 506 rotates, so that the stirring function is realized. In addition, the water glass falls on the second dragon blade preferentially and is intended to be small water drops, so that the water glass is more easily mixed with cement paste uniformly.
Finally, the bottom of the bottom plate 404 is provided with a liquid outlet pipe 403, the flow stopping assembly comprises a flow stopping plate 410 and a torsion spring, the torsion spring is arranged on the side wall of the liquid outlet pipe 403, the flow stopping plate 410 is obliquely arranged, the flow stopping plate 410 is connected with the torsion spring, and when the torsion spring is in a natural state, the flow stopping plate 410 seals the liquid outlet pipe 403. Here, the pressure required by the elastomeric sleeve 402 to plug the grouting holes 6 outwardly is less than the pressure required to open the flow stop assembly. In this way, the second conduit 201 firstly injects the water glass into the slurry stopping mechanism 4, the pressure in the slurry stopping mechanism 4 preferentially reaches the pressure for sealing the slurry injecting hole 6, and then the pressure continues to rise until the flow stopping assembly is opened, and the water glass enters the lower part of the slurry stopping mechanism 4. The discharge of water glass in the grout stop mechanism 4 does not affect the plugging of the grout holes 6 because once the pressure of the grout stop mechanism 4 drops, it is limited to the opening pressure of the grout stop assembly, which is closed.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims (6)

1. A dynamic water curtain deep hole double-liquid grouting device for grouting a grouting hole (6), which is characterized by comprising:
a cement slurry supply mechanism (1) connected with a first conduit (101), wherein the first conduit (101) extends into the grouting hole (6);
a water glass supply mechanism (2) connected with a second conduit (201) which extends into the grouting hole (6);
a control mechanism (3) which is respectively connected with the cement paste supply mechanism (1) and the water glass supply mechanism (2);
the grouting device comprises a grouting hole (6), a grouting mechanism (4), an elastic sleeve (402) and a grouting assembly, wherein the grouting mechanism (4) is arranged in the grouting hole (6), the grouting mechanism (4) is detachably arranged at the tail end of the second guide pipe (201), the grouting mechanism (4) is provided with the elastic sleeve (402), the bottom of the grouting mechanism (4) is provided with the grouting assembly, the elastic sleeve (402) protrudes outwards due to injection of water glass into the grouting mechanism (4), the grouting hole (6) can be plugged, when the pressure in the grouting mechanism (4) reaches a preset value, the grouting assembly is opened due to the pressure of the grouting mechanism (4), the water glass in the grouting mechanism (4) can enter the grouting hole (6) below through the grouting assembly, and the first guide pipe (101) penetrates and stretches into the lower part of the grouting mechanism (4).
The mixing mechanism (5) is connected to the tail end of the first guide pipe (101), and the mixing mechanism (5) can uniformly mix the water glass and cement paste in the grouting holes (6);
the slurry stopping mechanism (4) comprises a top plate (401), a bottom plate (404), an elastic sleeve (402) and a fixing assembly, wherein the fixing assembly is arranged on the top plate (401), and the elastic sleeve (402) is connected between the top plate (401) and the bottom plate (404) so that the top plate (401), the bottom plate (404) and the elastic sleeve (402) are enclosed to be columnar;
the top plate (401) is provided with an inserting hole, the outer diameter of the second guide pipe (201) is the same as that of the inserting hole, a plurality of first mounting grooves are formed in the position, close to the tail end, of the second guide pipe (201), first clamping plates (202) are slidably arranged in the first mounting grooves, first springs (204) are arranged between the first clamping plates (202) and the side walls of the first mounting grooves, when the first springs (204) are in a natural state, one end of each first clamping plate (202) is arranged in the second guide pipe (201), and the other end of each first clamping plate (202) does not extend out of the first mounting groove; the first clamping plate (202) can slide outwards under the action of external force, so that part of the first clamping plate (202) extends out of the first mounting groove, and the second guide pipe (201) cannot be pulled out of the jack due to mutual clamping between the first clamping plate (202) and the top plate (401);
the part of the first clamping plate (202) extending into the second guide pipe (201) is surrounded with a first through hole (209), the diameter of the first through hole (209) can be increased or reduced due to sliding of the first clamping plate (202), an adjusting ball (207) is arranged in the second guide pipe (201), the diameter of the adjusting ball (207) is larger than that of the first through hole (209), a plurality of first liquid outlet holes (206) are formed in the first clamping plate (202), and when water glass is injected into the slurry stopping mechanism (4) through the second guide pipe (201), the adjusting ball (207) moves downwards and partially extends into the first through hole (209) under the impact of the water glass, so that the first clamping plate (202) slides outwards;
the bottom of bottom plate (404) is equipped with drain pipe (403), flow stopping subassembly includes flow stopping plate (410) and torsional spring, the torsional spring is located on the lateral wall of drain pipe (403), flow stopping plate (410) slope arrangement, just flow stopping plate (410) with the torsional spring is connected, when the torsional spring is in natural state, flow stopping plate (410) will drain pipe (403) shutoff.
2. The moving water curtain deep hole double-liquid grouting device as claimed in claim 1, wherein: the position department that is close to the end of second pipe (201) is equipped with second mounting groove (208), be equipped with fixture block (203) on first cardboard (202), fixture block (203) are located in second mounting groove (208), first spring (204) connect in fixture block (203) with on the lateral wall of second mounting groove (208), fixture block (203) with during the lateral wall butt of second mounting groove (208), the diameter of first via hole (209) is less than the diameter of adjusting ball (207).
3. The moving water curtain deep hole double-liquid grouting device as claimed in claim 1, wherein: the fixing assembly comprises a plurality of fixing feet which are arranged on the top plate (401), each fixing foot is arranged on the top plate (401) in a sliding manner along the radial direction of the top plate (401), each fixing foot comprises a connecting plate (407) and a fixing plate (408), the connecting plates (407) are horizontally arranged, the fixing plates (408) are connected to the outer sides of the connecting plates (407), the fixing plates (408) are obliquely arranged upwards, and the fixing plates (408) can be in butt joint or release butt joint with the side walls of the grouting holes (6) due to sliding.
4. The moving water curtain deep hole double-liquid grouting device as claimed in claim 3, wherein: the top plate (401) is provided with an extending groove (406), a sliding block (405) is arranged in the extending groove (406), a second spring (412) is arranged between the sliding block (405) and the side wall of the extending groove (406), the connecting plate (407) is fixedly arranged on the sliding block (405), and when the second spring (412) is in a natural state, the fixing plate (408) and the side wall of the grouting hole (6) are arranged at intervals.
5. The moving water curtain deep hole double-liquid grouting device according to claim 4, wherein: be equipped with regulating plate (409) on slider (405), when second spring (412) are in nature state, the part of regulating plate (409) stretches into in second pipe (201), and each regulating plate (409) enclose out second via hole (411), the end of second pipe (201) is equipped with reducing section (205), the diameter of reducing section (205) is from down upwards from little to big setting, just the diameter of the lower extreme of reducing section (205) is less than the diameter of second via hole (411), along with second pipe (201) in the insertible in second via hole (411), regulating plate (409) outwards slide and accomodate in stretch out groove (406), make slider (405) outwards slide, at this moment the fixed foot butt is in on the lateral wall of slip casting hole (6).
6. The moving water curtain deep hole double-liquid grouting device as claimed in claim 1, wherein: the mixing mechanism (5) comprises an end plate (501) and stirring rods (502), wherein each stirring cylinder (506) is pivoted on the end of the first guide pipe (101), the stirring rods (502) are arranged on the end plate (501) and are inserted into the first guide pipe (101), the stirring cylinders (506) are arranged on the end plate (501), the stirring cylinders (506) are sleeved on the outer sides of the first guide pipes (101), first auger blades (503) are arranged on the stirring rods (502), second auger blades (504) are arranged on the stirring cylinders (506), and a plurality of second liquid outlet holes (505) are formed in the end plate (501).
CN202211369293.1A 2022-11-03 2022-11-03 Deep hole double-liquid grouting device for dynamic water curtain Active CN115538414B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203603155U (en) * 2013-12-05 2014-05-21 安徽理工大学 Novel double-size grouting end mixing device
CN105909257A (en) * 2016-05-31 2016-08-31 山东大学 Separated grouting device in drilled hole and sectional grouting operation process
CN106639973A (en) * 2016-12-19 2017-05-10 中铁建大桥工程局集团第二工程有限公司 Grouting structure and grouting method for ground surface ultra-deep hole double liquid slurry grouting
CN211692396U (en) * 2020-03-09 2020-10-16 华北有色工程勘察院有限公司 Recoverable double-liquid mixed grouting hole sealing device for deep hole
JP2021095803A (en) * 2019-12-19 2021-06-24 有限会社シモダ技術研究所 Grout monitor for proportional injection, and proportional injection method for cured grout using the same
CN114135321A (en) * 2021-12-24 2022-03-04 中铁隧道勘察设计研究院有限公司 Step-by-step sectional type tunnel curtain grouting construction pipe set, device and construction method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203603155U (en) * 2013-12-05 2014-05-21 安徽理工大学 Novel double-size grouting end mixing device
CN105909257A (en) * 2016-05-31 2016-08-31 山东大学 Separated grouting device in drilled hole and sectional grouting operation process
CN106639973A (en) * 2016-12-19 2017-05-10 中铁建大桥工程局集团第二工程有限公司 Grouting structure and grouting method for ground surface ultra-deep hole double liquid slurry grouting
JP2021095803A (en) * 2019-12-19 2021-06-24 有限会社シモダ技術研究所 Grout monitor for proportional injection, and proportional injection method for cured grout using the same
CN211692396U (en) * 2020-03-09 2020-10-16 华北有色工程勘察院有限公司 Recoverable double-liquid mixed grouting hole sealing device for deep hole
CN114135321A (en) * 2021-12-24 2022-03-04 中铁隧道勘察设计研究院有限公司 Step-by-step sectional type tunnel curtain grouting construction pipe set, device and construction method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
水泥-水玻璃双液浆抗动水冲刷性能及灌注工艺研究;高学通;;采矿技术;第20卷(第02期);第99-101页 *

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