CN210087341U - Secondary grouting device based on shield construction - Google Patents
Secondary grouting device based on shield construction Download PDFInfo
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- CN210087341U CN210087341U CN201920602929.XU CN201920602929U CN210087341U CN 210087341 U CN210087341 U CN 210087341U CN 201920602929 U CN201920602929 U CN 201920602929U CN 210087341 U CN210087341 U CN 210087341U
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- grouting
- pipe
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- drill
- drill bit
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Abstract
The utility model provides a secondary grouting device based on shield construction, which belongs to the technical field of shield construction, and comprises a water gun drill, an extension pipe, a one-way valve and a grouting mechanism, wherein the water gun drill is used for drilling a grouting hole of a segment, and comprises a drill gun and a water drill bit connected with the output end of the drill gun; one end of the lengthening pipe is connected with the water drill bit, and the other end of the lengthening pipe is movably connected with the output end of the drill gun; the check valve is arranged at the joint of the water drill bit and the extension pipe and is used for preventing grout from flowing backwards; the grouting mechanism is movably connected with the lengthening pipe and is used for grouting slurry. The utility model provides a secondary slip casting device based on shield constructs construction installs the check valve between water bores drill bit and extension pipe, and when the water bores the gun drill grouting hole or the hole for hoist on the section of jurisdiction, the check valve can prevent that the thick liquid in the clearance between section of jurisdiction external diameter and the excavation diameter from leaking to the check valve can not influence and fills water in the water bores the drill bit.
Description
Technical Field
The utility model belongs to the technical field of the shield constructs the construction, more specifically say, relate to a secondary grouting device based on shield constructs construction.
Background
In the shield construction, synchronous slip casting is used for filling the building clearance between the excavation diameter and the section of jurisdiction external diameter, because the structural design characteristics of slip casting pipeline, reasons such as mortar solidification shrink, the mortar of synchronous slip casting can form the clearance in the excavation space after solidifying, in addition, the bottom receives the disturbance when the shield tunnelling, before the shield passes through, in passing through, can subside through back bottom, especially serious in rich water gravel bottom, the ground subsides too greatly can seriously endanger the ground pipeline, the safety of important building, in order to effectively control ground subside, guarantee shield construction safety, often need carry out secondary slip casting to the shield construction.
The traditional secondary grouting process is characterized in that a grouting hole or a hoisting hole of a pipe piece is drilled by an electric drill, then a grouting tool is installed for grouting, when deep hole grouting is carried out at the shield tail position, grouting hole guniting is easily caused in the process of drilling by the electric drill, equipment pollution is caused, grout for synchronous grouting is leaked, a plurality of adverse consequences such as surface settlement, pipe piece floating and the like are caused, and the plugging of the grout is very difficult.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a secondary grouting device based on shield constructs construction to solve the technical problem that secondary slip casting in-process thick liquid that exists leaks among the prior art.
In order to achieve the above object, the utility model adopts the following technical scheme: secondary grouting device based on shield constructs construction includes:
the water gun drill is used for drilling a grouting hole of the duct piece and comprises a drill gun and a water drill bit connected with the output end of the drill gun;
one end of the lengthening pipe is connected with the water drill bit, and the other end of the lengthening pipe is movably connected with the output end of the drill gun;
the one-way valve is arranged at the joint of the water drill bit and the extension pipe and used for preventing grout from flowing backwards;
and the grouting mechanism is movably connected with the lengthening pipe and is used for grouting slurry.
Further, the grouting mechanism comprises a grouting machine, a grouting pipe and a grouting head; the grouting pipe comprises a first grouting pipe and a second grouting pipe, the inlet of the first grouting pipe and the inlet of the second grouting pipe are respectively communicated with the grouting machine, the outlet of the first grouting pipe and the outlet of the second grouting pipe are respectively communicated with the inlet of the grouting head, and the outlet of the grouting head is movably connected with the lengthening pipe.
Further, a ball valve is arranged at an inlet of the grouting head.
Furthermore, a transparent pipe is arranged at the inlet of the grouting head, one end of the transparent pipe is connected with the ball valve, and the other end of the transparent pipe is connected with the first grouting pipe and the second grouting pipe through a three-way joint respectively.
Further, the length of the transparent tube is set to 100mm to 150 mm.
Further, the grouting head is in threaded connection with the lengthening pipe.
The utility model provides a secondary slip casting device based on shield structure construction's beneficial effect lies in: compared with the prior art, the utility model discloses secondary slip casting device based on shield structure construction when carrying out deep hole slip casting, adds extension pipe 3, plays the effect of extension water drill bit, installs the check valve between water drill bit and extension pipe, can prevent that the thick liquid in the clearance between section of jurisdiction external diameter and the excavation diameter from leaking to the check valve can not influence and fill water in the water drill bit. Bore rifle and extension pipe for swing joint, after the drilling is accomplished, will bore the rifle and lift off from the extension pipe, will slip casting mechanism connects on the extension pipe, fills the thick liquid to between section of jurisdiction external diameter and the excavation diameter, and the thick liquid fills the completion back, lifts off slip casting mechanism from the tip of extension pipe, stays water drill bit, check valve and extension pipe in the section of thick bamboo, has effectively avoided secondary slip casting in-process thick liquid to leak.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a water gun drill of a secondary grouting device based on shield construction according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a grouting mechanism of a secondary grouting device based on shield construction provided by the embodiment of the invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
wherein, in the figures, the respective reference numerals:
1. a water drill bit; 2. drilling a gun; 3. lengthening a pipe; 4. a one-way valve; 5. grouting machine; 6. a first grouting pipe; 7. a second grouting pipe; 8. a grouting head; 9. a ball valve; 10. a transparent tube; 11. a reducer union; 12. bending the pipe; 13. a three-way joint; 14. a tube sheet.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to fig. 3, a secondary grouting apparatus based on shield construction according to the present invention will now be described. Secondary grouting device based on shield structure construction, including the water gun bores, extension pipe 3, check valve 4 and slip casting mechanism, the water gun bores including boring rifle 2 and the water drill bit 1 of setting at the output of boring rifle 2, water drill bit 1 can be dismantled for boring rifle 2, to the drilling demand in different apertures, change unidimensional water drill bit 1, the secondary slip casting that the shield constructs the construction is mostly deep hole slip casting, so water drill bit 1 need go deep into the lateral wall of excavation structure, this length that just needs extension water drill bit 1, an extension pipe 3 is installed to the output at boring rifle 2, install the tip at extension pipe 3 with water drill bit 1, and guarantee that extension pipe 3 is coaxial with water drill bit 1, extension pipe 3 is connected for dismantling with being connected of boring rifle 2, can peg graft, also can connect through attach fitting. Install a check valve 4 between water bores drill bit 1 and extension pipe 3, check valve 4 passes through threaded connection with water bores drill bit 1 and extension pipe 3 respectively, convenient dismantlement, the one-way direction towards water bores drill bit 1 of check valve 4 is opened, water bores the grouting hole or the hoist and mount hole drill on drill bit 1 with section of jurisdiction 14, because there is the thick liquid that synchronous slip casting does not solidify in the clearance between section of jurisdiction 14 and the excavation diameter, after the check valve 4 is installed, can prevent that the thick liquid from extending pipe 3 blowout, check valve 4 can not influence the moisturizing of drilling in-process to water bores drill bit 1 simultaneously. After the drilling is finished, the drilling gun 2 and the extension pipe 3 are disassembled, the extension pipe 3, the water drilling drill bit 1 and the check valve 4 are left in the duct piece 14 and used as a pipeline for secondary grouting, then the grouting mechanism is in butt joint with the extension pipe 3 to conduct secondary grouting, and in the secondary grouting process, the check valve 4 plays a role in preventing slurry from flowing backwards and being sprayed out. Because extension pipe 3, water drill bit 1 and check valve 4 low price, after the secondary slip casting is accomplished, lift grouting mechanism off from extension pipe 3, directly leave extension pipe 3, water drill bit 1 and check valve 4 on section of jurisdiction 14 can.
The utility model provides a secondary grouting device based on shield constructs construction, compared with the prior art, when carrying out the deep hole slip casting, add extension pipe 3, play extension water and bore the effect of drill bit 1, install check valve 4 between water and bore drill bit 1 and extension pipe 3, can prevent that the thick liquid in the clearance between 14 external diameters of section of jurisdiction and the excavation diameter from leaking to check valve 4 can not influence and fill water in to water bores drill bit 1. Bore rifle 2 and extension pipe 3 and be swing joint, after the drilling is accomplished, will bore rifle 2 and lift off from extension pipe 3, connect grouting mechanism on extension pipe 3, pour the thick liquid to between section of jurisdiction 14 external diameter and the excavation diameter, the thick liquid is poured the completion back, lifts grouting mechanism off from the tip of extension pipe 3, stays the water drill bit 1, check valve 4 and extension pipe 3 in section of jurisdiction 14, has effectively avoided secondary slip casting in-process thick liquid to leak.
Please refer to fig. 2 and fig. 3 together, as a specific implementation of the secondary grouting device based on shield construction provided by the present invention, the grouting mechanism includes a grouting machine 5, two grouting pipes and a grouting head 8, the two grouting pipes are a first grouting pipe 6 and a second grouting pipe 7 respectively, the secondary grouting is performed by mixing cement slurry and water glass, the grouting machine 5 is internally provided with a cement slurry container filled with cement slurry and a water glass container filled with water glass respectively, an inlet of the first grouting pipe 6 is communicated with the cement slurry container, an inlet of the second grouting pipe 7 is communicated with the water glass container, an outlet of the first grouting pipe 6 and an outlet of the second grouting pipe 7 are communicated with the grouting head 8, i.e. the first grouting pipe 6 and the second grouting pipe 7 are connected in parallel, the cement slurry and the water glass are mixed at the grouting head 8 via the first grouting pipe 6 and the second grouting pipe 7 respectively, the mixed liquor then flows through the extension tube 3, the one-way valve 4 and the rhinestone drill bit 1 to be injected into the gap between the pipe piece 14 and the excavation diameter. The grouting head 8 is detachably connected with the extension pipe 3, and the grouting head 8 is detached from the extension pipe 3 after grouting is completed.
Referring to fig. 3, as a specific implementation manner of the secondary grouting device based on shield construction provided by the present invention, a ball valve 9 is installed at the entrance of the grouting head 8, and the ball valve 9 is used for controlling the injection amount of the mixed liquid.
Please refer to fig. 3, as the utility model provides a secondary grouting device based on shield construction's a specific implementation way, the back is accomplished in the slip casting, need wash first slip casting pipe 6 and second slip casting pipe 7, for the convenience of observing the washing condition, install one section hyaline tube 10 at slip casting head 8's entrance, hyaline tube 10 is the transparent plastic pipe, when wasing first slip casting pipe 6 and second slip casting pipe 7, communicate the pond respectively with the import of first slip casting pipe 6 and second slip casting pipe 7, utilize the water in the pond to wash first slip casting pipe 6 and second slip casting pipe 7, in the cleaning process, judge the washing condition through the muddy degree of the water of observing the water of flowing through hyaline tube 10, when the water of flowing through hyaline tube 10 becomes transparent, first slip casting pipe 6 and second slip casting pipe 7 wash the completion. The outlet end of the first grouting pipe 6 and the outlet end of the second grouting pipe 7 are both provided with elbows 12, the two elbows 12 are communicated with the transparent pipe 10 through a three-way joint 13, and the three-way joint 13 is connected with the transparent pipe 10 through a reducing joint 11 when the pipe diameters of the three-way joint 13 and the transparent pipe 10 are different.
As a specific implementation mode of the secondary grouting device based on shield construction, the length of the transparent tube 10 is not too long, and the turbidity degree of the liquid flowing through the inside can be clearly observed by setting the length to be 100 mm.
As the utility model provides a secondary grouting device based on shield constructs construction's a concrete implementation mode, slip casting head 8 and extension pipe 3 pass through threaded connection, and the tip of extension pipe 3 is equipped with the internal thread promptly, and the inner wall of slip casting head 8 is equipped with the external screw thread assorted internal thread with extension pipe 3, during installation slip casting mechanism, screws slip casting head 8 and extension pipe 3 through the screw thread, when lifting slip casting mechanism off, with slip casting head 8 with the screw thread of extension pipe 3 unscrew can.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. Secondary grouting device based on shield constructs construction, its characterized in that includes:
the water gun drill is used for drilling a grouting hole of the duct piece and comprises a drill gun and a water drill bit connected with the output end of the drill gun;
one end of the lengthening pipe is connected with the water drill bit, and the other end of the lengthening pipe is movably connected with the output end of the drill gun;
the one-way valve is arranged at the joint of the water drill bit and the extension pipe and used for preventing grout from flowing backwards;
and the grouting mechanism is movably connected with the lengthening pipe and is used for grouting slurry.
2. The secondary grouting device based on shield construction of claim 1, wherein: the grouting mechanism comprises a grouting machine, a grouting pipe and a grouting head; the grouting pipe comprises a first grouting pipe and a second grouting pipe, the inlet of the first grouting pipe and the inlet of the second grouting pipe are respectively communicated with the grouting machine, the outlet of the first grouting pipe and the outlet of the second grouting pipe are respectively communicated with the inlet of the grouting head, and the outlet of the grouting head is movably connected with the lengthening pipe.
3. The secondary grouting device based on shield construction of claim 2, wherein: and a ball valve is arranged at the inlet of the grouting head.
4. The secondary grouting device based on shield construction of claim 3, wherein: and a transparent pipe is arranged at the inlet of the grouting head, one end of the transparent pipe is connected with the ball valve, and the other end of the transparent pipe is respectively connected with the first grouting pipe and the second grouting pipe through a three-way joint.
5. The secondary grouting device based on shield construction of claim 4, wherein: the length of the transparent tube is set to be 100 mm-150 mm.
6. The secondary grouting device based on shield construction according to any one of claims 2 to 5, wherein: the grouting head is in threaded connection with the lengthening pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920602929.XU CN210087341U (en) | 2019-04-28 | 2019-04-28 | Secondary grouting device based on shield construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920602929.XU CN210087341U (en) | 2019-04-28 | 2019-04-28 | Secondary grouting device based on shield construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210087341U true CN210087341U (en) | 2020-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920602929.XU Expired - Fee Related CN210087341U (en) | 2019-04-28 | 2019-04-28 | Secondary grouting device based on shield construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210087341U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112809940A (en) * | 2020-12-08 | 2021-05-18 | 尹建军 | Dustless no mud water drilling machine |
-
2019
- 2019-04-28 CN CN201920602929.XU patent/CN210087341U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112809940A (en) * | 2020-12-08 | 2021-05-18 | 尹建军 | Dustless no mud water drilling machine |
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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: 20200218 Termination date: 20200428 |
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| CF01 | Termination of patent right due to non-payment of annual fee |