CN210239668U - Shield constructs quick-witted synchronous slip casting single double fluid thick liquid free switching system - Google Patents
Shield constructs quick-witted synchronous slip casting single double fluid thick liquid free switching system Download PDFInfo
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- CN210239668U CN210239668U CN201921271027.9U CN201921271027U CN210239668U CN 210239668 U CN210239668 U CN 210239668U CN 201921271027 U CN201921271027 U CN 201921271027U CN 210239668 U CN210239668 U CN 210239668U
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- grouting
- grouting pipe
- shield
- pipe
- slip casting
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Abstract
The utility model provides a shield constructs single double fluid thick liquid free switching system of synchronous slip casting of machine has solved the problem of stratum displacement when the shield constructs the construction. The utility model comprises a grouting mixing system which is embedded in the shield outer wall of the shield machine; the grouting mixing system comprises an outer grouting pipe embedded in the outer wall of the shield body, an inner grouting pipe is arranged in the outer grouting pipe, and the outer diameter of the inner grouting pipe is smaller than the inner diameter of the outer grouting pipe; the outlet of the inner grouting pipe is positioned inside the outer grouting pipe, and a multi-port gate is arranged at the outlet of the inner grouting pipe; the outlet of the outer grouting pipe is bent towards the outer part of the shield body outer wall to form a grouting opening. Aiming at construction strata with different geologies, mixed grout with a specific ratio is obtained by controlling the opening number of pre-grouting channels of a multi-port gate, controlling the flow rate of the grout in an inner grouting pipe according to the mixed grout ratio required by design; and then make the section of jurisdiction deviate from the shield tail and can form an organic whole with the soil body on every side immediately, avoided producing section of jurisdiction deformation and tunnel displacement.
Description
Technical Field
The utility model relates to a tunnel construction engineering equipment field especially indicates a shield constructs single double fluid thick liquid free switching system of quick-witted synchronous slip casting.
Background
Different slurries are adopted for different stratum constructions, the commonly used slurries have single slurry and double slurry, but in the construction process, the stratum distribution is different, different slurry measures are adopted for grouting in time, and when a small radius curve is constructed, if the segment is separated from the tail of the shield, the segment cannot be immediately integrated with the surrounding soil body, the shield cannot sufficiently obtain counter force by propelling, so that the danger of great segment deformation and tunnel displacement is caused, timely conversion is needed, and the use is very inconvenient.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem of stratum displacement when the shield that exists constructs the construction among the background art, the utility model provides a shield constructs quick-witted synchronous slip casting list double fluid thick liquid free switching system.
The technical scheme of the utility model is that: a single-double fluid slurry free conversion system for synchronous grouting of a shield machine comprises a grouting mixing system, wherein the grouting mixing system is embedded in the outer wall of a shield body of the shield machine; the grouting mixing system comprises an outer grouting pipe embedded in the outer wall of the shield body, an inner grouting pipe is arranged in the outer grouting pipe, and the outer diameter of the inner grouting pipe is smaller than the inner diameter of the outer grouting pipe; the outlet of the inner grouting pipe is positioned inside the outer grouting pipe, and a multi-port gate for controlling the flow rate is arranged at the outlet of the inner grouting pipe; the outlet of the outer grouting pipe is bent towards the outer part of the shield body outer wall to form a grouting opening.
The grouting mixing system is connected with a slurry pumping system, and the slurry pumping system is arranged in the shield machine; the slurry pumping system comprises a grouting pump, a pressure gauge and a valve; the inner grouting pipe and the outer grouting pipe are respectively connected with a grouting pump, and the inner grouting pipe and the outer grouting pipe are respectively provided with a pressure gauge and a valve.
And a mixer is arranged on the outer grouting pipe and is positioned between the grouting port and the multi-port gate.
The multi-port gate comprises a shell, wherein the rear part of the shell is provided with a raised port connected with an inner grouting pipe, the front shell of the shell is provided with at least two penetrating grouting front channels, each grouting front channel is matched with one gate, the gates are fixedly connected with the piston of the cylinder, and the cylinder is fixedly arranged on the shell.
An annular plate is arranged in the shell, and a grouting rear channel is formed between the annular plate and the rear shell of the shell; the annular periphery and the casing sealing connection of ring type board, the outer loop region of ring type board is equipped with the opening of two at least equal bores along circumference, and the periphery of opening is equipped with the baffle, baffle and casing sealing connection, and the baffle on the same opening encloses and closes the passageway before forming a slip casting, and the cylinder is established on ring type board, gate and ring type board and baffle sliding contact.
The two sides of the gate are arranged on the sliding rails in a sliding mode, and the sliding rails are fixedly arranged on the annular plate.
The outside of shield body outer wall is equipped with the shield tail brush that is used for floating the thick liquid, and the shield tail brush is located the rear portion of slip casting mouth.
A spiral feeding device matched with the grouting opening is arranged at the outlet of the outer grouting pipe; spiral material feeding unit includes the motor, and the motor is fixed to be established in the shield body outer wall, is equipped with the extension axostylus axostyle in the slip casting mouth, and the output shaft fixed connection of outer slip casting pipe and motor is passed to the upper end of extension axostylus axostyle, is used for the helical blade 20 of pay-off on the extension axostylus axostyle.
The utility model has the advantages that: (1) aiming at construction strata with different geologies, mixed grout with a specific ratio is obtained by controlling the opening number of pre-grouting channels of a multi-port gate, controlling the flow rate of the grout in an inner grouting pipe according to the mixed grout ratio required by design; so that the duct piece can be separated from the shield tail and immediately integrated with the surrounding soil body, thereby avoiding the danger of duct piece deformation and tunnel displacement; (2) the inner grouting pipe is arranged in the outer grouting pipe, so that the space required by the laying of a grouting pipeline is saved; saving materials and improving economic and social benefits.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a grouting mixing system of the present invention;
FIG. 2 is a system diagram of a pumping system of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 1;
FIG. 4 is an enlarged view of the structure of the multi-port gate of FIG. 1;
fig. 5 is an internal structure view of the left side view of fig. 4.
In the figure, 1, an inner grouting pipe, 2, an outer grouting pipe, 3, a pressure gauge, 4, a valve, 5, a grouting pump, 6, a soil body, 7, a pipe piece, 8, a shield tail brush, 9, a shield outer wall, 10, a mixer, 11, a multi-port gate, 1101, a protruding port, 12, a ring-shaped plate, 13, a post-grouting channel, 14, a pre-grouting channel, 15, a partition plate, 16, a cylinder, 17, a gate, 18, a sliding rail, 19, a motor, 20 and a helical blade.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
Example 1: a shield constructs quick-witted synchronous slip casting single double fluid thick liquid free switching system, as shown in figure 1, including the slip casting hybrid system, the slip casting hybrid system is connected with the pumping system, the pumping system is set up in the shield constructs the machine; the grouting mixing system is embedded in the shield outer wall 9 of the shield machine; the grouting mixing system comprises an outer grouting pipe 2 embedded in the outer wall 9 of the shield body, an inner grouting pipe 1 is arranged in the outer grouting pipe 2, and the outer diameter of the inner grouting pipe 1 is smaller than the inner diameter of the outer grouting pipe 2; the outlet of the inner grouting pipe 1 is located inside the outer grouting pipe 2. As shown in fig. 2, the slurry pumping system comprises a slurry injection pump 5, a pressure gauge 3 and a valve 4; the inner grouting pipe 1 and the outer grouting pipe 2 are respectively connected with a grouting pump 5, and the inner grouting pipe 1 and the outer grouting pipe 2 are respectively provided with a pressure gauge 3 and a valve 4.
As shown in fig. 4 and 5, the outlet of the inner slurry pipe 1 is provided with a multi-port gate 11 for controlling the flow rate; the multi-port gate 11 comprises a shell, wherein the rear part of the shell is provided with a raised port 1101 connected with an inner grouting pipe 1, an annular plate 12 is arranged in the shell, and a grouting rear channel 13 is formed between the annular plate 12 and a rear shell of the shell; the annular periphery and the casing sealing connection of ring type board 12, the outer ring region of ring type board 12 is equipped with the opening of two at least equal bores along circumference, and the opening of this embodiment arranges that quantity is six, and the periphery of opening is equipped with baffle 15, baffle 15 and casing sealing connection, and baffle 15 on the same opening encloses to close and forms a slip casting front channel 14, and cylinder 16 establishes on ring type board 12, gate 17 and ring type board 12 and baffle 15 sliding contact. The two sides of the gate 17 are arranged on the slide rails 18 in a sliding manner, and the slide rails 18 are fixedly arranged on the annular plate 12.
The outlet of the outer grouting pipe 2 is bent towards the outside of the shield outer wall 9 to form a grouting opening 201. The outer grouting pipe 2 is provided with a mixer 10, and the mixer 10 is positioned between the grouting port 201 and the multi-port gate 11. The outside of shield body outer wall 9 is equipped with the shield tail brush 8 that is used for floating the thick liquid, and shield tail brush 8 is located the rear portion of slip casting mouth 201, shield tail brush 8 and section of jurisdiction 7 sliding contact.
A spiral feeding device matched with the grouting opening 201 is arranged at the outlet of the outer grouting pipe 2, so that the grouting opening 201 is prevented from being blocked due to the fact that grout is adhered to the pipe wall during grouting; spiral material feeding unit includes motor 19, and motor 19 is fixed to be established in shield body outer wall 9, is equipped with the extension axostylus axostyle in the slip casting mouth 201, and the output shaft fixed connection of outer slip casting pipe 2 and motor 19 is passed to the upper end of extension axostylus axostyle, is used for the helical blade 20 of pay-off on the extension axostylus axostyle.
Example 2: a shield constructs quick-witted synchronous slip casting single double fluid thick liquid free switching system, as shown in figure 1, including the slip casting hybrid system, the slip casting hybrid system is connected with the pumping system, the pumping system is set up in the shield constructs the machine; the grouting mixing system is embedded in the shield outer wall 9 of the shield machine; the grouting mixing system comprises an outer grouting pipe 2 embedded in the outer wall 9 of the shield body, an inner grouting pipe 1 is arranged in the outer grouting pipe 2, and the outer diameter of the inner grouting pipe 1 is smaller than the inner diameter of the outer grouting pipe 2; the outlet of the inner grouting pipe 1 is located inside the outer grouting pipe 2. As shown in fig. 2, the slurry pumping system comprises a slurry injection pump 5, a pressure gauge 3 and a valve 4; the inner grouting pipe 1 and the outer grouting pipe 2 are respectively connected with a grouting pump 5, and the inner grouting pipe 1 and the outer grouting pipe 2 are respectively provided with a pressure gauge 3 and a valve 4. A multi-port gate 11 for controlling the flow rate is arranged at the outlet of the inner grouting pipe 1; the multi-port gate 11 comprises a shell, wherein a raised port 1101 connected with an inner grouting pipe 1 is arranged at the rear part of the shell, five through grouting front passages 14 are arranged on a front shell of the shell, each grouting front passage 14 is matched with one gate 17, the gates 17 are fixedly connected with a piston of a cylinder 16, and the cylinder 16 is fixedly arranged on the shell. The other structure is the same as embodiment 1.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. The utility model provides a shield constructs single double fluid thick liquid free switching system of quick-witted synchronous slip casting which characterized in that: the grouting mixing system is embedded in the shield outer wall (9) of the shield machine; the grouting mixing system comprises an outer grouting pipe (2) embedded in the outer wall (9) of the shield body, an inner grouting pipe (1) is arranged in the outer grouting pipe (2), and the outer diameter of the inner grouting pipe (1) is smaller than the inner diameter of the outer grouting pipe (2); the outlet of the inner grouting pipe (1) is positioned inside the outer grouting pipe (2), and the outlet of the inner grouting pipe (1) is provided with a multi-port gate (11) for controlling the flow rate; the outlet of the outer grouting pipe (2) is bent towards the outer part of the shield outer wall (9) to form a grouting opening (201).
2. The shield tunneling machine synchronous grouting single-double-slurry free conversion system of claim 1, wherein: the grouting mixing system is connected with the slurry pumping system, and the slurry pumping system is arranged in the shield machine; the slurry pumping system comprises a grouting pump (5), a pressure gauge (3) and a valve (4); the inner grouting pipe (1) and the outer grouting pipe (2) are respectively connected with a grouting pump (5), and the inner grouting pipe (1) and the outer grouting pipe (2) are respectively provided with a pressure gauge (3) and a valve (4).
3. The shield tunneling machine synchronous grouting single-double-slurry free conversion system of claim 2, wherein: a mixer (10) is arranged on the outer grouting pipe (2), and the mixer (10) is positioned between the grouting opening (201) and the multi-opening gate (11).
4. The shield tunneling machine synchronous grouting single-double-slurry free conversion system of claim 3, wherein: many mouthfuls gate (11) are including the casing, and the rear portion of casing is equipped with protruding port (1101) of being connected with interior slip casting pipe (1), is equipped with two at least penetrating slip casting front channel (14) on the preceding shell of casing, and every slip casting front channel (14) cooperates with a gate (17), and gate (17) and cylinder (16)'s piston fixed connection, and cylinder (16) are fixed to be established on the casing.
5. The shield tunneling machine synchronous grouting single-double-slurry free conversion system of claim 4, wherein: an annular plate (12) is arranged in the shell, and a grouting rear channel (13) is formed between the annular plate (12) and the rear shell of the shell; the annular periphery and the casing sealing connection of ring type board (12), the outer loop region of ring type board (12) is equipped with the opening of two at least equal bores along circumference, the periphery of opening is equipped with baffle (15), baffle (15) and casing sealing connection, baffle (15) on the same opening enclose to close and form passageway (14) before a slip casting, cylinder (16) are established on ring type board (12), gate (17) and ring type board (12) and baffle (15) sliding contact.
6. The shield tunneling machine synchronous grouting single-double-slurry free conversion system of claim 5, wherein: the two sides of the gate (17) are arranged on the slide rails (18) in a sliding manner, and the slide rails (18) are fixedly arranged on the annular plate (12).
7. The shield tunneling machine synchronous grouting single-double fluid slurry free conversion system of claim 6, wherein: the outer part of the shield body outer wall (9) is provided with a shield tail brush (8) for smoothing slurry, and the shield tail brush (8) is positioned at the rear part of the grouting opening (201).
8. The shield tunneling machine synchronous grouting single-double fluid slurry free conversion system of claim 7, wherein: a spiral feeding device matched with the grouting opening (201) is arranged at the outlet of the outer grouting pipe (2); spiral material feeding unit includes motor (19), and motor (19) are fixed to be established in shield body outer wall (9), are equipped with the extension axostylus axostyle in slip casting mouth (201), and the output shaft fixed connection of outer slip casting pipe (2) and motor (19) is passed to the upper end of extension axostylus axostyle, is used for helical blade (20) of pay-off on the extension axostylus axostyle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921271027.9U CN210239668U (en) | 2019-08-07 | 2019-08-07 | Shield constructs quick-witted synchronous slip casting single double fluid thick liquid free switching system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921271027.9U CN210239668U (en) | 2019-08-07 | 2019-08-07 | Shield constructs quick-witted synchronous slip casting single double fluid thick liquid free switching system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210239668U true CN210239668U (en) | 2020-04-03 |
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ID=69963389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921271027.9U Expired - Fee Related CN210239668U (en) | 2019-08-07 | 2019-08-07 | Shield constructs quick-witted synchronous slip casting single double fluid thick liquid free switching system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210239668U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112065453A (en) * | 2020-09-16 | 2020-12-11 | 北京市市政工程研究院 | Rotatable directional grouting pipe for cavity at back of shield segment |
| CN114853435A (en) * | 2022-04-25 | 2022-08-05 | 辽宁盛莱新型建材厂 | Single-liquid and double-liquid switchable slurry for synchronous grouting of shield tunnel |
-
2019
- 2019-08-07 CN CN201921271027.9U patent/CN210239668U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112065453A (en) * | 2020-09-16 | 2020-12-11 | 北京市市政工程研究院 | Rotatable directional grouting pipe for cavity at back of shield segment |
| CN112065453B (en) * | 2020-09-16 | 2022-08-16 | 北京市市政工程研究院 | Rotatable directional grouting pipe for cavity at back of shield segment |
| CN114853435A (en) * | 2022-04-25 | 2022-08-05 | 辽宁盛莱新型建材厂 | Single-liquid and double-liquid switchable slurry for synchronous grouting of shield tunnel |
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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: 20200403 |
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| CF01 | Termination of patent right due to non-payment of annual fee |