CN209569369U - A kind of one-way water stop grouting device for vertical shaft section of jurisdiction - Google Patents

A kind of one-way water stop grouting device for vertical shaft section of jurisdiction Download PDF

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Publication number
CN209569369U
CN209569369U CN201822042061.0U CN201822042061U CN209569369U CN 209569369 U CN209569369 U CN 209569369U CN 201822042061 U CN201822042061 U CN 201822042061U CN 209569369 U CN209569369 U CN 209569369U
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CN
China
Prior art keywords
valve body
valve
jurisdiction
spool
groove
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201822042061.0U
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Chinese (zh)
Inventor
高随芹
郑立宁
苗军克
荆伟
简海峰
朱文汇
赵红红
胡熠
史永胜
胡怀仁
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CITIC Heavy Industries Co Ltd
China Construction Underground Space Co Ltd
Original Assignee
CITIC Heavy Industries Co Ltd
China Construction Underground Space Co Ltd
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Priority to CN201822042061.0U priority Critical patent/CN209569369U/en
Application granted granted Critical
Publication of CN209569369U publication Critical patent/CN209569369U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model belongs to open caisson control technology field, more particularly to a kind of one-way water stop grouting device for vertical shaft section of jurisdiction, including unidirectional grout valve member, unidirectional grout valve member is fixed in open caisson inner wall mounting groove, the unidirectional grout valve member includes valve body, valve deck, spool, high pressure connecting hose, spring, grout outlet, grouting port, valve body, valve deck is cuboid and is located on same central axis, along central axis in the bottom of valve body, the opposite cylinder shape groove of the opening that the top of valve deck is equipped with, the groove of valve body and valve deck surrounds a cylindrical cavity jointly, spool, spring is arranged in the cavity, spool can be by grout outlet under external force, grouting port conducting, external force disappears, spool cuts off grout outlet, connection between grouting port, injection slurry can only be after unidirectional injection wall in lubricant groove, grouting behind shaft or drift lining liquid It cannot flow back into open caisson, stablize frictional resistance after wall, open caisson is controllable, and section of jurisdiction decentralization is easy, and is not easy stuck, safety and stability.

Description

A kind of one-way water stop grouting device for vertical shaft section of jurisdiction
Technical field
The utility model belongs to open caisson control technology field, and in particular to a kind of one-way water stop slip casting for vertical shaft section of jurisdiction Device.
Background technique
In recent years, as the land resource in city is in short supply and Planning Principles upgrade, urban underground space field is developed very Rapidly, in urban underground space engineering, horizontal direction Development of Underground Engineering is more mature, such as subway, tunnel, vertical deep-well For engineering because the advantages that its occupied area is small, space utilization rate is high project gradually increases, this kind of engineering uses prefabricated pipe section pin-connected panel Drop shaft sinking is optimal, and still, for caisson structure often due to frictional resistance is excessive and can not sink after wall, common method is to infuse after wall Enter lubricant help it is heavy, i.e., caisson cutting edge structure outer wall be arranged step, formed lubricant groove, then into slot inject lubricant slurry Liquid;When using interior tube method slip casting, injected hole is arranged across caisson wall, in the process for injecting lubricant into lubricant groove In, as lubricant liquid level constantly rises, slip casting exit Fluid pressure constantly increases, and slurries easily flow back along injected hole, causes Slurry stream is lost in lubricant groove, helps heavy decreased effectiveness, serious also to will cause Tu Bi collapsing, reduces construction efficiency, increases peace Full hidden danger.
Summary of the invention
In order to solve the above-mentioned technical problem, the utility model discloses a kind of one-way water stop slip casting dress for vertical shaft section of jurisdiction It sets, unidirectional grout valve member is set at injected hole, slurries can not flow back along injected hole, realize unidirectional grout and slip casting is controllable, sink Well is high-efficient.
In order to realize above-mentioned purpose of utility model, the utility model is adopted the following technical solutions:
A kind of one-way water stop grouting device for vertical shaft section of jurisdiction, including section of jurisdiction are equipped with the note through section of jurisdiction on section of jurisdiction Hole to be starched, further includes unidirectional grout valve member, the inner wall in section of jurisdiction is equipped with the mounting groove of recess, and installation trench bottom is connected to injected hole, Unidirectional grout valve member is fixed in mounting groove, the unidirectional grout valve member include valve body, valve deck, spool, high pressure connecting hose and Spring, valve body, valve deck are cuboid and are located on same vertical center axis, and the lower section of valve body is arranged in valve deck, along central axis The groove of the opposite cylinder shape groove of the opening being equipped on the bottom of valve body, the top of valve deck, valve body and valve deck surrounds jointly One cylindrical cavity, spool, spring are arranged in the cavity and are located on the central axis of cavity, the upper end of spring It is embedded in the bottom of spool, the lower end of spring is contacted with the bottom of valve deck top groove, and spool is cylindrical body, upper and lower part Radius is identical as cavity radius, and its central radius is less than cavity radius, is correspondingly provided in the left and right side of valve body through valve body Grout outlet, the grouting port of left and right side walls are set in the head clearance of valve body there are two vertical perforation, the lower mouth of a perforation with The groove of valve body is connected to, and the lower mouth of another perforation is connected to grouting port, and high pressure is equipped between the top opening that two are perforated and is connected Hose.
A kind of one-way water stop grouting device for vertical shaft section of jurisdiction, in two vertical perforation that the top of valve body is arranged Respectively perforate A, perforation B, and the center at the top of valve body is arranged in perforation A and lower mouth is connected to the groove of valve body, perforation B setting The top center of valve body right side and lower mouth be connected to grouting port, the A that perforates, the B that perforates top opening between be equipped with high pressure and connect Hose.
A kind of one-way water stop grouting device for vertical shaft section of jurisdiction, grouting port and grout outlet are located at same level center On axis.
A kind of one-way water stop grouting device for vertical shaft section of jurisdiction, valve deck are bolted the lower section of valve body, In Gasket is equipped between valve body and the joint face of valve deck.
A kind of one-way water stop grouting device for vertical shaft section of jurisdiction is connect in the top opening of the A that perforates, the B that perforates with high pressure Sealing ring is equipped between the contact surface of hose.
A kind of one-way water stop grouting device for vertical shaft section of jurisdiction, unidirectional grout valve member are bolted on installation The bottom of slot, grouting port are connect in mounting groove and through pipeline with grouting equipment, and grout outlet is extend into injected hole, unidirectional Lip ring is equipped between slip casting valve member and the contact surface for installing trench bottom.
A kind of one-way water stop grouting device for vertical shaft section of jurisdiction, the outer diameter of grout outlet are less than the internal diameter of injected hole.
A kind of one-way water stop grouting device for vertical shaft section of jurisdiction, the radius and valve body and valve deck of spool upper and lower part Groove radius it is identical, radius in the middle part of spool is less than the radius of the groove of valve body or valve deck.
A kind of one-way water stop grouting device for vertical shaft section of jurisdiction, the injection slurry that described device uses by bentonite or Mud is deployed.
Due to the adoption of the above technical scheme, the utility model have it is following the utility model has the advantages that
1, use the utility model, it can be achieved that one-way water stop slip casting, injection slurry can only moisten after injection wall in open caisson slip casting It in lubrication prescription groove, cannot flow back into open caisson, stablize frictional resistance after wall, open caisson is controllable, and section of jurisdiction decentralization is easy, and is not easy card Extremely, safety and stability;
2, pass through high pressure connecting hose between two top openings vertically perforated at the top of unidirectional grout valve member in the utility model Connection, valve body easy processing.
Detailed description of the invention
Fig. 1 is the scheme of installation of the utility model;
Fig. 2 is the vertical section structure schematic diagram of the utility model;
Fig. 3 is unidirectional grout hole valve member diagrammatic cross-section in the utility model;
Fig. 4 is unidirectional grout hole valve member top view in the utility model;
In figure: 1, section of jurisdiction;2, injected hole;3, unidirectional grout valve member;3.1, valve body;3.2, spool;3.3, perforate A;3.4, High pressure connecting hose;3.5, perforate B;3.6, grouting port;3.7, gasket;3.8, valve deck;3.9, spring;3.10, grout outlet;4, Injection slurry;5, the borehole wall;6, mounting groove;7, lip ring.
Specific embodiment
By the following examples can detailed explanation the utility model, open the purpose of this utility model is intended to protect All technological improvements in the scope of the utility model.
A kind of one-way water stop grouting device for vertical shaft section of jurisdiction described in the combination attached drawing 1-4 in conjunction with described in attached drawing 1-4, Including section of jurisdiction 1, it is equipped with the injected hole 2 through section of jurisdiction 1 on section of jurisdiction 1, further includes unidirectional grout valve member 3, the inner wall in section of jurisdiction 1 is set There is the mounting groove 6 of recess, 6 bottom of mounting groove is connected to injected hole 2, and unidirectional grout valve member 3 is fixed in mounting groove 6, the list It include valve body 3.1, valve deck 3.8, spool 3.2, high pressure connecting hose 3.4 and spring 3.9, valve body 3.1, valve deck to slip casting valve member 3 3.8 are cuboid and are located on same vertical center axis, and the lower section of valve body 3.1 is arranged in valve deck 3.8, exists along vertical center axis The opposite cylinder shape groove of the opening that the bottom of valve body 3.1, the top of valve deck 3.8 are equipped with, two grooves surround one jointly Cylindrical cavity, spool 3.2, spring 3.9 are arranged in the cavity and are located on the central axis of cavity, spring 3.9 Upper end be embedded in the bottom of spool 3.2, the lower end of spring 3.9 is contacted with the bottom of 3.8 top groove of valve deck, and spool 3.2 is The radius of cylindrical body, upper and lower part is identical as cavity radius, and its central radius is less than cavity radius, 3.2 middle part outer circle of spool There is gap between face and cavity inner wall, is correspondingly provided with the grout outlet through 3.1 left and right side walls of valve body in the left and right side of valve body 3.1 3.10, grouting port 3.6 are set in the head clearance of valve body 3.1 there are two vertical perforation, a lower mouth and valve body 3.1 perforated Groove connection, another perforation lower mouth be connected to grouting port 3.6, two perforate top opening between equipped with high pressure connection it is soft Pipe 3.4.
A kind of one-way water stop grouting device for vertical shaft section of jurisdiction, two be arranged at the top of valve body 3.1 are vertical Perforate respectively perforation A3.3, perforation B3.5, the center and lower mouth and valve body 3.1 that A3.3 is arranged at the top of valve body 3.1 of perforating The right side of 3.1 top center of valve body is arranged in and lower mouth is connected to grouting port 3.6 in groove connection, perforation B3.5, the A3.3 that perforates, High pressure connecting hose 3.4 is equipped between the top opening of B3.5 of perforating.
A kind of one-way water stop grouting device for vertical shaft section of jurisdiction, grouting port 3.6 and grout outlet 3.10 are located at same On horizontal middle spindle.
A kind of one-way water stop grouting device for vertical shaft section of jurisdiction, valve deck 3.8 are bolted under valve body 3.1 Side is equipped with gasket 3.7 between valve body 3.1 and the joint face of valve deck 3.8, prevents slurries from leaking.
A kind of one-way water stop grouting device for vertical shaft section of jurisdiction, in the A3.3 that perforates, the top opening for the B3.5 that perforates and height It is equipped with sealing ring between the contact surface of pressure connection hose 3.4, prevents slurries from leaking.
A kind of one-way water stop grouting device for vertical shaft section of jurisdiction, unidirectional grout valve member 3 are bolted on peace The bottom of tankage 6, grouting port 3.6 are connect in mounting groove 6 and through pipeline with grouting equipment, after the completion of construction, can use coagulation Mounting groove 6 is filled up and is flushed with section of jurisdiction inner wall by soil, and grout outlet 3.10 is extend into injected hole 2, in unidirectional grout valve member 3 and installation It is equipped with lip ring 7 between the contact surface of 6 bottom of slot, prevents the contact surface due to unidirectional grout valve member 3 and 6 bottom of mounting groove Between seal it is bad lead to slurry reflux or leak, grout outlet 3.10 and injected hole 2 are located on same level central axis, pulp The outer diameter of mouth 3.10 is less than the internal diameter of injected hole 2.
A kind of one-way water stop grouting device for vertical shaft section of jurisdiction, the radius and valve body 3.1 of 3.2 upper and lower part of spool Identical with the radius of the groove of valve deck 3.8, the radius at 3.2 middle part of spool is less than the radius of the groove of valve body 3.1 and valve deck 3.8, 3.2 lower part of spool is not connected to, spool between grout outlet 3.10 and grouting port 3.6 between grout outlet 3.10 and grouting port 3.6 3.2 middle parts are connected between grout outlet 3.10 and grouting port 3.6 between grout outlet 3.10 and grouting port 3.6.
A kind of one-way water stop grouting device for vertical shaft section of jurisdiction, the injection slurry 4 that described device uses is by bentonite Or mud is deployed.
Utility model works principle is as follows:
Spool 3.2, spring 3.9 are arranged in cavity, under the action of no external force, the top of spool 3.2 and valve body 3.1 The lower end of the slot bottom face contact of the cylinder shape groove of bottom, spring 3.9 is contacted with the bottom of 3.8 top groove of valve deck, spool 3.2 Lower part is not connected between grout outlet 3.10 and grouting port 3.6 between grout outlet 3.10 and grouting port 3.6;After starting slip casting, Injection slurry 4 enters in perforation B3.5 along grouting port 3.6, and enters in perforation A3.3 along high pressure connecting hose 3.4, due to perforation Mouth is connected to the cylinder shape groove of 3.1 bottom of valve body under A3.3, and injection slurry 4 applies pressure to spool 3.2, and spool 3.2 is to moving down Dynamic, spring 3.9 shrinks accumulation potential energy, is moved to the position between grout outlet 3.10 and grouting port 3.6 in the middle part of spool 3.2, due to The radius at the middle part of spool 3.2 is less than the radius of groove, there are gap between the periphery and groove walls at 3.2 middle part of spool, this Gap becomes the channel between connection grout outlet 3.10 and grouting port 3.6, is connected between grouting port 3.6 and grout outlet 3.10, real Existing unidirectional grout, slip casting terminate, and no external force applies pressure to spool 3.2, the potential energy release that spring 3.9 accumulates when shrinking, spring 3.9 restore to the original state and apply upward thrust to spool 3.2, and spool 3.2 moves up, and 3.2 lower part of spool is moved to grout outlet Position and the connection between grout outlet 3.10 and grouting port 3.6 is cut off between 3.10 and grouting port 3.6.
Utility model works process is as follows:
Step is arranged in outer wall in open caisson section of jurisdiction 1, and lubricant groove is collectively formed in outer wall, step surface, the borehole wall 5 of section of jurisdiction 1, Setting runs through the injected hole 2 of section of jurisdiction 1 on section of jurisdiction 1 more than step surface, and corresponding with 2 position of injected hole on 1 inner wall of section of jurisdiction The mounting groove 6 of setting recess unidirectional grout valve member 3 is finally passed through into pre-embedded bolt and in the bottom pre-embedded bolt of mounting groove 6 It is fixed on the bottom of mounting groove 6, grouting port 3.6 is connect in mounting groove 6 and through pipeline with grouting equipment, and grout outlet 3.10 is stretched Enter into injected hole 2, when starting slip casting, opens grouting equipment, injection slurry 4 enters grouting port 3.6, and by under perforation B3.5 Mouth enters in perforation B3.5, and followed by the perforation top opening of B3.5, high pressure connecting hose 3.4, the A3.3 that perforates top opening, wear Inside the A3.3 of hole, perforation A3.3 lower mouth, finally to the top of spool 3.2 apply pressure, push spool 3.2 move down and press Contracting spring 3.9, grouting port 3.6 are connected to grout outlet 3.10, and after grouting port 3.6 is connected to grout outlet 3.10, injection slurry 4 enters note Slurry is injected into the lubricant groove between 1 outer wall of section of jurisdiction and the borehole wall 5 behind hole 2, lubricates the borehole wall, is reduced frictional resistance, is held that section of jurisdiction more Easily decentralization;When stopping slip casting, 3.2 top of spool no longer stress, the spring 3.9 of compression discharges potential energy and restores to the original state, and spool 3.2 exists It is moved up under the action of spring 3.9,3.2 lower part of spool is moved to position between grout outlet 3.10 and grouting port 3.6, spool 3.2 cut off the connection between grouting ports 3.6 and grout outlet 3.10, and injection slurry 4 can not flow back in open caisson in lubricant groove.
The non-detailed portion of the utility model is the prior art.
The embodiment selected herein to disclose the purpose of utility model of the utility model, is presently considered to be suitable , however, it should be understood that, the utility model is intended to include the embodiment that all belong within the scope of this design and utility model All changes and improvement.

Claims (8)

1. a kind of one-way water stop grouting device for vertical shaft section of jurisdiction, including section of jurisdiction are equipped with the slip casting through section of jurisdiction on section of jurisdiction Hole, it is characterised in that: further include unidirectional grout valve member, the inner wall in section of jurisdiction is equipped with the mounting groove of recess, installation trench bottom and note Hole connection is starched, unidirectional grout valve member is fixed in mounting groove, and the unidirectional grout valve member includes valve body, valve deck, spool, high pressure company Hose and spring are connect, valve body, valve deck are cuboid and are located on same vertical center axis, and the lower section of valve body is arranged in valve deck, The opposite cylinder shape groove of being open is equipped on the bottom of valve body, the top of valve deck along central axis, and the groove of valve body and valve deck is total With a cylindrical cavity is surrounded, spool, spring are arranged in the cavity and are located on the central axis of cavity, spring Upper end be embedded in the bottom of spool, the lower end of spring is contacted with the bottom of valve deck top groove, and spool is cylindrical body, thereon, The radius of lower part is identical as cavity radius, and its central radius is less than cavity radius, is correspondingly provided with and runs through in the left and right side of valve body Grout outlet, the grouting port of valve body left and right side walls are set in the head clearance of valve body there are two vertical perforation, under a perforation Mouth is connected to the groove of valve body, and lower mouth of another perforation is connected to grouting port, and high pressure is equipped between the top opening that two are perforated Connect hose.
2. a kind of one-way water stop grouting device for vertical shaft section of jurisdiction according to claim 1, it is characterised in that: in valve body Two vertical perforation of top setting are respectively perforate A, perforation B, and center and lower mouth and the valve of body top is arranged in perforation A The groove of body is connected to, and the right side at body top center is arranged in by perforation B and lower mouth is connected to grouting port, in perforation A, perforates B's High pressure connecting hose is equipped between top opening.
3. a kind of one-way water stop grouting device for vertical shaft section of jurisdiction according to claim 1, it is characterised in that: grouting port and Grout outlet is located on same level central axis.
4. a kind of one-way water stop grouting device for vertical shaft section of jurisdiction according to claim 1, it is characterised in that: valve deck passes through The lower section of bolt fixed valve body is equipped with gasket between valve body and the joint face of valve deck.
5. a kind of one-way water stop grouting device for vertical shaft section of jurisdiction according to claim 1, it is characterised in that: perforation A, It perforates and is equipped with sealing ring between the top opening of B and the contact surface of high pressure connecting hose.
6. a kind of one-way water stop grouting device for vertical shaft section of jurisdiction according to claim 1, it is characterised in that: unidirectional grout Valve member is bolted on the bottom of mounting groove, and grouting port is connect in mounting groove and through pipeline with grouting equipment, pulp Mouth is extend into injected hole, is equipped with lip ring between unidirectional grout valve member and the contact surface of installation trench bottom.
7. a kind of one-way water stop grouting device for vertical shaft section of jurisdiction according to claim 1 or 6, it is characterised in that: pulp The outer diameter of mouth is less than the internal diameter of injected hole.
8. a kind of one-way water stop grouting device for vertical shaft section of jurisdiction according to claim 1, it is characterised in that: on spool, The radius of lower part is identical as the radius of valve body and the groove of valve deck, and the radius in the middle part of spool is less than the half of the groove of valve body or valve deck Diameter.
CN201822042061.0U 2018-12-06 2018-12-06 A kind of one-way water stop grouting device for vertical shaft section of jurisdiction Withdrawn - After Issue CN209569369U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822042061.0U CN209569369U (en) 2018-12-06 2018-12-06 A kind of one-way water stop grouting device for vertical shaft section of jurisdiction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822042061.0U CN209569369U (en) 2018-12-06 2018-12-06 A kind of one-way water stop grouting device for vertical shaft section of jurisdiction

Publications (1)

Publication Number Publication Date
CN209569369U true CN209569369U (en) 2019-11-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822042061.0U Withdrawn - After Issue CN209569369U (en) 2018-12-06 2018-12-06 A kind of one-way water stop grouting device for vertical shaft section of jurisdiction

Country Status (1)

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CN (1) CN209569369U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109538793A (en) * 2018-12-06 2019-03-29 中信重工机械股份有限公司 A kind of one-way water stop grouting device for vertical shaft section of jurisdiction

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109538793A (en) * 2018-12-06 2019-03-29 中信重工机械股份有限公司 A kind of one-way water stop grouting device for vertical shaft section of jurisdiction
CN109538793B (en) * 2018-12-06 2024-05-14 中信重工机械股份有限公司 Unidirectional water-stop grouting device for vertical shaft duct piece

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Granted publication date: 20191101

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Granted publication date: 20191101

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