CN208396722U - A kind of grouting device of rectangular top pipe mud - Google Patents

A kind of grouting device of rectangular top pipe mud Download PDF

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Publication number
CN208396722U
CN208396722U CN201820632547.7U CN201820632547U CN208396722U CN 208396722 U CN208396722 U CN 208396722U CN 201820632547 U CN201820632547 U CN 201820632547U CN 208396722 U CN208396722 U CN 208396722U
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CN
China
Prior art keywords
grouting
slip casting
pump
tube coupling
casting portion
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.)
Expired - Fee Related
Application number
CN201820632547.7U
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Chinese (zh)
Inventor
郭静
曾聪
马保松
马龙飞
赵阳森
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China University of Geosciences
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China University of Geosciences
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China University of Geosciences filed Critical China University of Geosciences
Priority to CN201820632547.7U priority Critical patent/CN208396722U/en
Application granted granted Critical
Publication of CN208396722U publication Critical patent/CN208396722U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of grouting device of rectangular top pipe mud, grouting device includes grouting pump, loading hopper, pressure gauge, contains bucket vehicle, grouting pipeline, slip casting pipe fitting, check valve, tube coupling slip casting portion connector;The both ends of tube coupling slip casting portion connector are separately connected the one end in slip casting portion and check valve in rectangle pipe jacking tube coupling, and the both ends of slip casting pipe fitting are separately connected one end of grouting pipeline and the other end of check valve, the other end connection of grouting pump and grouting pipeline;Loading hopper is set on grouting pump, the mud in loading hopper is fed through to the slip casting portion in rectangle pipe jacking tube coupling by grouting pump;Pressure gauge is set on grouting pipeline, passes through the pressure during pressure gauge real-time monitoring slip casting;Bucket parking stall is contained in the side of grouting pump, to facilitate the mud contained to be transferred in loading hopper.The utility model overcomes the deficiency in ground setting grouting pump, using the moveable grouting pump of position setting for needing slip casting inside tube coupling.

Description

A kind of grouting device of rectangular top pipe mud
Technical field
The utility model relates to a kind of slip casting of trenchless engineering technical field more particularly to rectangular top pipe mud dresses It sets.
Background technique
Rectangular top pipe as a kind of important trenchless technology be widely used in Urban Underground Passage, subway entrance, The underground engineering constructions such as pipe gallery field, since it is small to ground excavation area, overall cost is low, construction efficiency is high, rectangle The advantages such as scetion utilization height have vast potential for future development in urban underground engineering construction field.
Rectangular top pipe generally commonly uses thixotropic slurry in jacking construction to reduce jacking resistance.And it is often adopted in constructing at present Mud since the bentonite ratio of addition is lower, in general mud prescription bentonite account for water amount be 4%~10%, mud Good flowing properties, frequently with ground be arranged the grouting pumps such as reciprocating pump or screw pump.It needs that interminable slip casting is arranged in this way General pipeline not only increases by ground, active well and the tube coupling connection slip casting portion headed into and grouting pump, the so long Grouting Pipe of setting Engineering cost is added, and because path length, the pressure loss are more, and has caused slip casting pump pressure and grouting pipeline higher, has increased and apply Safety problem caused by the pressure duct of work scene.
But for high proportion bentonite slurry, the pump-conveying property of mud is poor, reciprocating pump or spiral shell cannot be arranged using on ground The method slip casting of the pump-conveying properties differences such as bar pump, so needing the better grouting equipment of pump-conveying property and grouting device to be infused Slurry.
Utility model content
To solve the deficiencies in the prior art, the utility model provides a kind of grouting device of rectangular top pipe mud, gram The deficiency in ground setting grouting pump is taken, using the moveable grouting pump of position setting for needing slip casting inside tube coupling.
In order to achieve the above object, the utility model adopts the following technical solution: a kind of slip casting of rectangular top pipe mud Device, the grouting device of the rectangular top pipe mud include grouting pump, loading hopper, pressure gauge, contain bucket vehicle, grouting pipeline, Slip casting pipe fitting, check valve, tube coupling slip casting portion connector;The both ends of tube coupling slip casting portion connector are separately connected rectangle pipe jacking tube coupling The one end in interior slip casting portion and check valve, the both ends of the slip casting pipe fitting are separately connected one end of the grouting pipeline and unidirectional The other end of the other end of valve, the grouting pump and grouting pipeline connects;The loading hopper is set on the grouting pump, is passed through Mud in the loading hopper is fed through the slip casting portion of slip casting portion in rectangle pipe jacking tube coupling by the grouting pump;In the Grouting Pipe The pressure gauge is arranged in road, passes through the pressure during the pressure gauge real-time monitoring slip casting;The Sheng bucket parking stall is in institute The side for stating grouting pump, the mud of splendid attire is transferred in the loading hopper.
Further, the grouting pump, grouting pipeline, slip casting pipe fitting, check valve, tube coupling slip casting portion's connector and slip casting portion Successively it is flexibly connected.
Further, the grouting pump, grouting pipeline, slip casting pipe fitting, check valve, tube coupling slip casting portion's connector and slip casting portion It is all made of threaded connection.
Further, the slip casting portion is tapped round tube, and the both ends of the grouting pipeline are internal screw thread, described The both ends of slip casting pipe fitting are external screw thread, and the both ends of the check valve are internal screw thread, and the two of tube coupling slip casting portion connector End is external screw thread.
Further, the bottom of the grouting pump is additionally provided with idler wheel.
Further, the grouting pump is fine stone concrete pump.
Further, the length of the grouting pipeline is 5~20m.
The technical solution that the embodiments of the present invention provide has the benefit that (1) at the position for needing slip casting Short distance slip casting is carried out, overcomes tradition the shortcomings that ground uses the path length of grouting pump slip casting, save the cost;It (2) can be quickly High proportion mud is injected to slip casting position, the hair of surface subsidence is prevented when reducing frictional resistance and the filling gap at the slip casting position It is raw, greatly improve the safety of rectangular top pipe construction;(3) check valve is arranged at slip casting portion prevents the mud reflux of injection.
Detailed description of the invention
Fig. 1 is the slip casting environment map of the grouting device of the rectangular top pipe mud of the utility model;
Fig. 2 is the structural schematic diagram of the grouting device of the rectangular top pipe mud of the utility model;
Fig. 3 is the structure connection figure of the grouting device of the rectangular top pipe mud of the utility model.
In figure, 1- slip casting portion, 2- fine stone concrete pump, 3- loading hopper, 4- pressure gauge, 5- Sheng bucket vehicle, 6- grouting pipeline, 7- slip casting pipe fitting, 8- check valve, 9- tube coupling slip casting portion connector, 10- tube coupling, 11- annular gap, the big stratum of the 12- amount of backbreaking Gap, the stratum 13-, 14- idler wheel.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer Type embodiment is further described.
Slip casting environment map as shown in Figure 1, has formed rectangular top pipe tunnel in stratum 13, in the tube coupling 10 of rectangular top pipe Several slip casting portions 1 are equipped with, have annular gap 11 and the big formation void 12 of the amount of backbreaking, the ring around the tube coupling 10 Shape gap 11 and the big formation void 12 of the amount of backbreaking are the position for needing slip casting.The slip casting portion 1 of rectangular top pipe upper and lower surfaces Quantity can be more than there are two face, for example, 3~6 slip casting portions 1 can be respectively set in upper and lower surfaces, two faces in left and right are settable The arrangement in 1~4 slip casting portion 1, the slip casting portion 1 is arranged symmetrically relative to vertical guide, the horizontal plane of push pipe jacking central axes.
As Figure 2-3, the utility model provides a kind of grouting device of rectangular top pipe mud, the high proportion mud Slurry grouting device includes grouting pump 2, loading hopper 3, pressure gauge 4, contains bucket vehicle 5, grouting pipeline 6, slip casting pipe fitting 7, check valve 8, tube coupling slip casting portion connector 9.The high proportion mud grouting device, which is placed in the tube coupling 10, executes grouting operation, the tube coupling It is equipped with several slip casting portions 1 in 10, is and the tube coupling 10 is prefabricated together forms.Distinguish at the both ends of tube coupling slip casting portion connector 9 It is flexibly connected the one end in the slip casting portion 1 and check valve 8, the switch shape of the grouting pipeline 6 is controlled by the check valve 8 State, and prevent the mud reflux on injection stratum.The both ends of the slip casting pipe fitting 7 are movably connected with the grouting pipeline 6 The other end of one end and check valve 8.The grouting pump 2 is flexibly connected with the other end of grouting pipeline 6, therefore, passes through the note The successively flexible connection for starching pipeline 6, slip casting pipe fitting 7, check valve 8, tube coupling slip casting portion connector 9, realize the grouting pump 2 with The flexible connection in slip casting portion 1.Preferably, the grouting pump 2, grouting pipeline 6, slip casting pipe fitting 7, check valve 8, tube coupling slip casting portion Connector 9 is all made of with slip casting portion 1 and is threadedly coupled.It is furthermore preferred that the slip casting portion 1 is tapped round tube (such as Φ 50mm), the both ends of the grouting pipeline 6 are internal screw thread, and the both ends of the slip casting pipe fitting 7 are external screw thread, described unidirectional The both ends of valve 8 are internal screw thread, and the both ends of tube coupling slip casting portion connector 9 are external screw thread.It is furthermore preferred that the tube coupling slip casting Portion's connector 9 is connect using the external screw thread of M50 with the screw-internal thread fit in the slip casting portion 1.
The bottom of the grouting pump 2 is additionally provided with idler wheel 14, to facilitate the grouting pump 2 can be in the tube coupling 10 with the need The variation of slip casting position moves back and forth.Preferably, the grouting pump 2 is fine stone concrete pump.The length of the grouting pipeline 6 can It is configured according to actual needs, such as is set as 5~20m.
The loading hopper 3 is set on the grouting pump 2, is sent the mud in the loading hopper 3 by the grouting pump 2 Enter to the slip casting portion 1.The pressure gauge 4 is set in the grouting pipeline 6 at the grouting pump 2, passes through the pressure Pressure during 4 real-time monitoring slip casting of table.The side contained bucket vehicle 5 and be located at the grouting pump 2, is contained with facilitating The mud of dress is transferred in the loading hopper 3.
Slip casting is carried out using the grouting device of the utility model, is specifically comprised the following steps:
Step 101: configured mud being fitted into the Sheng bucket vehicle 5, the Sheng bucket vehicle 5 is hung in into push pipe work In well, then horizontal drag enters in established rectangular top pipe tunnel, is transported to the position for needing to inject the mud;
Step 102: the grouting pipeline 6, slip casting pipe fitting 7, check valve 8, tube coupling slip casting portion connector 9 are successively connected It connects, then one end of the grouting pipeline is connected into the grouting pump 2, tube coupling slip casting portion connector 9 is connected into the slip casting portion 1, prepare slip casting;
Step 103: the mud in the Sheng bucket vehicle 5 being added in the loading hopper 3, the check valve is opened 8, and the grouting pump 2 is opened, start slip casting;
Step 104: during slip casting, observing the numerical value of the pressure gauge 4, continue slip casting when it slowly rises;When When it jumps, the grouting pump 2 and check valve 8 are closed, dismantles the grouting pipeline 6, slip casting pipe fitting 7, check valve 8, tube coupling Slip casting portion connector 9 stops slip casting.
It directlys adopt fine stone concrete pump and carries out short distance slip casting at the position for needing slip casting, tradition is overcome to use on ground The shortcomings that path length of grouting pump slip casting, quickly can inject high proportion mud to the position, reduce the frictional resistance at the position and fill The generation that surface subsidence is prevented when calking greatly improves the safety of rectangular top pipe construction.
The key point of the utility model:
(1) high proportion mud grouting device is by loading hopper, grouting pump, pressure gauge, grouting pipeline, slip casting pipe fitting, unidirectional Internal screw thread is arranged in valve, tube coupling slip casting portion's connector and slip casting portion composition, slip casting portion, and the both ends of tube coupling slip casting portion connector process outer spiral shell Line, the both ends of check valve are set as internal screw thread, and the both ends of slip casting pipe fitting are processed as external screw thread;Wherein grouting pump is microlith coagulation Soil pump.
(2) grouting equipment fine stone concrete pump is arranged in tube coupling, and fine stone concrete pump is transported to the tube coupling for needing slip casting Place, with Grouting Pipe connection fine stone concrete pump and slip casting portion;Wherein grouting pump is connect with slip casting portion using single grouting pipeline, no Other valves and pipeline are set, the length of grouting pipeline is only 5~20m, and traditional grouting process need be more than 100m slip casting Pipeline, longer pipeline needed for which substantially reduces traditional ground setting grouting pump.
(3) slip casting portion 1 is tapped 50 round tube of Φ and tube coupling 10 is prefabricated together forms, rectangular top pipe upper and lower surfaces Slip casting portion quantity will be more than there are two face, upper and lower two amounts can respectively be arranged 3~6, settable 1~4 of two faces in left and right, note The arrangement in slurry portion is arranged symmetrically relative to vertical guide, the horizontal plane of push pipe jacking central axes.
(4) pressure gauge is set on grouting pipeline and is used to refer to grouting pressure variation, setting check valve prevents at slip casting portion The mud of injection flows back.
The technical solution that the embodiments of the present invention provide has the benefit that (1) at the position for needing slip casting Short distance slip casting is carried out, overcomes tradition the shortcomings that ground uses the path length of grouting pump slip casting, save the cost;It (2) can be quickly High proportion mud is injected to slip casting position, the hair of surface subsidence is prevented when reducing frictional resistance and the filling gap at the slip casting position It is raw, greatly improve the safety of rectangular top pipe construction;(3) check valve is arranged at slip casting portion prevents the mud reflux of injection.
Herein, the nouns of locality such as related front, rear, top, and bottom are to be located in figure with components in attached drawing and zero Part mutual position defines, only for the purpose of expressing the technical solution clearly and conveniently.It should be appreciated that the noun of locality Use should not limit the claimed range of the application.
In the absence of conflict, the feature in embodiment and embodiment herein-above set forth can be combined with each other.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model Within the scope of shield.

Claims (7)

1. a kind of grouting device of rectangular top pipe mud, it is characterised in that: the grouting device packet of the rectangular top pipe mud It includes grouting pump, loading hopper, pressure gauge, contain bucket vehicle, grouting pipeline, slip casting pipe fitting, check valve, tube coupling slip casting portion connector;Institute The both ends for stating tube coupling slip casting portion connector are separately connected the one end in slip casting portion and check valve in rectangle pipe jacking tube coupling, the Grouting Pipe The both ends of connector are separately connected one end of the grouting pipeline and the other end of check valve, the grouting pump and grouting pipeline it is another One end connection;The loading hopper is set on the grouting pump, is sent into the mud in the loading hopper by the grouting pump Slip casting portion of slip casting portion in rectangle pipe jacking tube coupling;The pressure gauge is set on the grouting pipeline, passes through the pressure gauge Pressure during real-time monitoring slip casting;In the side of the grouting pump, the mud that will be contained is shifted for the Sheng bucket parking stall To in the loading hopper.
2. grouting device according to claim 1, it is characterised in that: the grouting pump, grouting pipeline, slip casting pipe fitting, Check valve, tube coupling slip casting portion's connector are successively flexibly connected with slip casting portion.
3. grouting device according to claim 2, it is characterised in that: the grouting pump, grouting pipeline, slip casting pipe fitting, Check valve, tube coupling slip casting portion's connector are all made of with slip casting portion and are threadedly coupled.
4. grouting device according to claim 3, it is characterised in that: the slip casting portion is tapped round tube, described The both ends of grouting pipeline are internal screw thread, and the both ends of the slip casting pipe fitting are external screw thread, and the both ends of the check valve are The both ends of internal screw thread, tube coupling slip casting portion connector are external screw thread.
5. grouting device according to claim 1, it is characterised in that: the bottom of the grouting pump is additionally provided with idler wheel.
6. grouting device according to claim 1, it is characterised in that: the grouting pump is fine stone concrete pump.
7. grouting device according to claim 1, it is characterised in that: the length of the grouting pipeline is 5~20m.
CN201820632547.7U 2018-04-28 2018-04-28 A kind of grouting device of rectangular top pipe mud Expired - Fee Related CN208396722U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820632547.7U CN208396722U (en) 2018-04-28 2018-04-28 A kind of grouting device of rectangular top pipe mud

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820632547.7U CN208396722U (en) 2018-04-28 2018-04-28 A kind of grouting device of rectangular top pipe mud

Publications (1)

Publication Number Publication Date
CN208396722U true CN208396722U (en) 2019-01-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111173527A (en) * 2019-12-24 2020-05-19 上海隧道工程有限公司 Control method for large-section quasi-rectangular shield corner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111173527A (en) * 2019-12-24 2020-05-19 上海隧道工程有限公司 Control method for large-section quasi-rectangular shield corner

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190118

Termination date: 20200428

CF01 Termination of patent right due to non-payment of annual fee