CN209942840U - Tunnel wall back grouting device - Google Patents
Tunnel wall back grouting device Download PDFInfo
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- CN209942840U CN209942840U CN201920735467.9U CN201920735467U CN209942840U CN 209942840 U CN209942840 U CN 209942840U CN 201920735467 U CN201920735467 U CN 201920735467U CN 209942840 U CN209942840 U CN 209942840U
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- grouting
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Abstract
The utility model discloses a tunnel wall back slip casting device. The tunnel wall post-grouting device comprises a grouting machine, a supporting assembly, a grouting assembly and a first elastic piece; the supporting component comprises a first supporting piece and a second supporting piece, and the first supporting piece is movably supported at the inner side of the second supporting piece through a first elastic piece so that the outer side of the second supporting piece is tightly propped against the tunnel wall; the grouting machine is rotatably connected to the first supporting piece and injects slurry between the tunnel wall and the soil body through the grouting assembly. The utility model provides a tunnel wall post-grouting device, through setting up first support piece and second support piece, and support the first support piece in the inboard of second support piece movably through first elastic component, can make the outside of second support piece support tightly on the tunnel wall all the time; slurry is injected between the tunnel wall and the soil body through the grouting machine, so that accurate grouting operation between the tunnel wall and the soil body can be facilitated.
Description
Technical Field
The utility model relates to a field especially relates to a tunnel wall post grouting device.
Background
The shield method is a fully mechanical construction method in the construction of the subsurface excavation method, which is a mechanical construction method for pushing a shield machine in the ground, preventing collapse into a tunnel by using a shield shell and duct pieces to support surrounding rocks around, excavating a soil body in front of an excavation surface by using a cutting device, transporting out of the tunnel by using an unearthing machine, pressing and jacking at the rear part by using a jack, and assembling precast concrete duct pieces to form a tunnel structure.
In the shield construction process, after the segments of the shield tunnel are assembled, a certain gap can exist between the outer wall of each segment and the soil body, and the gap can be filled by a grouting method generally. The existing in-process to slip casting between section of jurisdiction outer wall and the soil body can not produce even extrusion to the section of jurisdiction, makes the section of jurisdiction take place not hard up when carrying out the slip casting and drops easily, and the slip casting in-process is difficult to guarantee accurate slip casting simultaneously, has influenced the slip casting effect.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims at providing a tunnel wall post grouting device is in order to solve the unsatisfactory problem of slip casting effect in prior art.
(II) technical scheme
In order to solve the technical problem, the utility model provides a tunnel wall post grouting device. The tunnel wall post-grouting device comprises a grouting machine, a supporting assembly, a grouting assembly and a first elastic piece; the supporting assembly comprises a first supporting piece and a second supporting piece, and the first supporting piece is movably supported on the inner side of the second supporting piece through the first elastic piece so that the outer side of the second supporting piece is abutted against the tunnel wall; the grouting machine is rotatably connected to the first supporting piece and injects slurry between the tunnel wall and the soil body through the grouting assembly.
Further, the first supporting part comprises a plurality of first sleeves, first sleeves are arranged in the first sleeves, and the first elastic pieces are sleeved on the first sleeves.
Furthermore, a sliding groove is formed in the second supporting piece, a sliding block is arranged at one end of the first sleeve, the sliding block is clamped in the sliding groove, and two ends of the first elastic piece are respectively abutted to the sliding block and the first sleeve.
Further, the second supporting piece comprises a plurality of second sleeves, two adjacent second sleeves are internally provided with second sleeves, and second elastic pieces are sleeved on the second sleeves.
Further, the tunnel wall post-grouting device further comprises a first roller device, and the first roller device is fixedly connected to the outer side face of the second sleeve.
Furthermore, a positioning part is further arranged on the first supporting part, and the positioning part is matched with the grouting machine to limit the relative position of the grouting machine and the first supporting part.
Further, the slip casting subassembly includes slip casting head, first slip casting pipe and second slip casting pipe, first slip casting pipe with the slip casting machine intercommunication, a pot head of second slip casting pipe is established in first slip casting pipe, the other end of second slip casting pipe is provided with the slip casting head.
Furthermore, a third elastic piece is further sleeved on the second grouting pipe, and two ends of the third elastic piece are respectively abutted to the grouting head and the first grouting pipe.
Further, the grouting assembly further comprises a second roller device, and the second roller device is connected between the grouting head and the first grouting pipe.
Further, the grouting head is a universal head.
(III) advantageous effects
The utility model provides a tunnel wall post-grouting device, through setting up first support piece and second support piece, and support first support piece in second support piece's inboard through first elastic component movably, can make second support piece's the outside support tightly on the tunnel wall all the time, so just guaranteed the in-process of carrying out the slip casting, pressfitting degree between tunnel wall and the soil body, thereby improved the durable degree of tunnel wall, prevent coming off of section of jurisdiction in the tunnel wall. After the second supporting piece tightly supports the tunnel wall, slurry is injected between the tunnel wall and the soil body through the grouting machine, and accurate grouting operation between the tunnel wall and the soil body can be facilitated. In addition, when the tunnel wall post-grouting device is used for grouting, the device is more labor-saving, reasonable in design, convenient to operate, capable of meeting social requirements and worthy of popularization.
Drawings
Fig. 1 is a schematic structural diagram of a tunnel wall post-grouting device provided by an embodiment of the invention;
fig. 2 is a schematic structural diagram of the connection between the first grouting pipe and the material containing barrel provided by the embodiment of the present invention.
The reference numbers illustrate:
1. grouting machine; 2. a first elastic member; 3. a first sleeve; 4. a first sleeve; 5. a chute; 6. a slider; 7. a second sleeve; 8. a second sleeve; 9. a second elastic member; 10. a first roller device; 11. a grouting head; 12. a first grouting pipe; 13. a second grouting pipe; 14. a third elastic member; 15. a second roller device; 16. a material containing barrel; 17. a collar; 18. a handle; 19. a connecting plate; 20. a rotating shaft; 21. and (7) connecting rings.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
With combined reference to fig. 1 and 2, the tunnel wall post-grouting apparatus in the present embodiment includes a grouting machine 1, a support assembly, a grouting assembly, and a first elastic member 2; the supporting component comprises a first supporting piece and a second supporting piece, wherein the first supporting piece is movably supported at the inner side of the second supporting piece through a first elastic piece 2 so that the outer side of the second supporting piece is tightly propped against the tunnel wall; the grouting machine 1 is rotatably connected to the first support member, and the grouting machine 1 injects slurry between the tunnel wall and the soil body through the grouting assembly.
The utility model provides a tunnel wall post-grouting device, through setting up first support piece and second support piece, and support first support piece in second support piece's inboard through 2 mobilizable ground of first elastic component, can make second support piece's the outside support tightly on the tunnel wall all the time, so just guarantee carrying out the in-process of slip casting, pressfitting degree between tunnel wall and the soil body, thereby improved the durable degree of tunnel wall, prevent coming off of section of jurisdiction in the tunnel wall. After the second supporting piece tightly supports the tunnel wall, slurry is injected between the tunnel wall and the soil body through the grouting machine 1, and accurate grouting operation between the tunnel wall and the soil body can be facilitated. In addition, when the tunnel wall post-grouting device is used for grouting, the device is more labor-saving, reasonable in design, convenient to operate, capable of meeting social requirements and worthy of popularization.
Specifically, the supporting assembly in this embodiment includes a first supporting member and a second supporting member, wherein the first supporting member is located inside the second supporting member for jacking up the second supporting member, and specifically, the first supporting member is jacked up by the elastic force of the first elastic member 2 sleeved thereon. In addition, set first support piece and second support piece to movably connected mode, specifically be the pivoted mode, can guarantee that first support piece from the angle of difference with second support piece to the outside jack-up, just so can guarantee well that second support piece is by the tight medial surface in tunnel wall in top, guaranteed that can be compressed tightly the compaction between the section of jurisdiction in the tunnel wall and the soil body, and then guaranteed tunnel structure's stability.
The grouting machine 1 is rotatably connected to a first support member, for example, a bucket 16 is connected to the first support member, the grouting machine 1 is connected to the bucket 16 through a pipeline, a rotating shaft 20 is further provided on the first support member, and the grouting machine 1 is provided on the rotating shaft 20. In this way, by rotating the shaft 20, the goal of arranging the slip casting machine 1 to rotate relative to the first support is achieved. Slip is injected between the tunnel wall and the soil body through the slip casting component to slip casting machine 1, on the basis of the above condition, because the segment in the tunnel wall is already tightly propped on the soil body by the second support piece, therefore, when slip casting is carried out between the tunnel wall and the soil body, accurate slip casting operation can be facilitated between the tunnel wall and the soil body, and the slip casting effect is ensured.
Furthermore, the grouting machine 1 can be switched on to a portable battery.
In this embodiment, the first supporting member is cross-shaped, and its specific structure is:
as shown in fig. 1, the first supporting member includes a plurality of first sleeves 3, a first sleeve 4 is disposed in the first sleeve 3, and the first elastic member 2 is sleeved on the first sleeve 4.
Wherein, a plurality of first sleeves 3 can be connected on a lantern ring 17 at intervals equally to form a cross-shaped structure, a first sleeve 4 is arranged in each first sleeve 3, and the first elastic element 2 is sleeved on the first sleeve 4. In other words, the first sleeve 4 is movable relative to the first sleeve 3 in a direction along the axial direction of the first sleeve 3. Can set up a protruding structure on first sleeve 4, with the both ends of first elastic component 2 butt respectively in this protruding structure and first sleeve 3, so, first elastic component 2 just can be with first sleeve 4 jack-up to the realization is with the purpose of second support piece jack-up.
Further, a positioning member is disposed on the first support member, and the positioning member cooperates with the grouting machine 1 to define the relative position of the grouting machine 1 and the first support member.
The relative position of the grouting machine 1 and the first support member can be defined by providing the positioning member, wherein the positioning manner is not particularly limited as long as the positioning function can be achieved. For example, as mentioned above, the grouting machine 1 is connected to the rotating shaft 20, a plurality of positioning holes may be formed in the collar 17 along the circumferential direction thereof, and correspondingly, one positioning hole may be formed in the grouting machine 1, and the positioning members such as positioning pins may be sequentially inserted through the positioning holes in the collar 17 and the positioning holes in the grouting machine 1 to position the two. Of course, other methods may be used to realize the positioning of the two, which are not described herein.
In this embodiment, the second supporting member is substantially a closed ring-shaped structure, and the specific structure thereof is as follows:
the second supporting piece comprises a plurality of second sleeves 7, second sleeves 8 are arranged in two adjacent second sleeves 7, and second elastic pieces 9 are sleeved on the second sleeves 8.
As shown in fig. 1, the plurality of second sleeves 7 are arc-shaped, and a second sleeve 8 is sleeved in two adjacent second sleeves 7, so that the plurality of second sleeves 7 and the second sleeve 8 are connected in sequence to form a closed annular structure. It should be noted that the second sleeve 7 and the second sleeve 8 are detachably connected, and the purpose of this arrangement is to facilitate an operator to flexibly select the second sleeve 7 and the second sleeve 8 with different specifications according to different tunnel diameters.
The second elastic part 9 sleeved on the second sleeve 8 is used for expanding two adjacent second sleeves 7, so that a closed annular structure formed by the second supporting part can be expanded to the maximum size, and the second supporting part can be further ensured to be tightly pressed on a duct piece of a tunnel wall.
In a preferred embodiment, in order to ensure that the first support member and the second support member can rotate relatively more flexibly, a sliding groove 5 is further arranged on the second support member, a sliding block 6 is arranged at one end of the first sleeve 4, the sliding block 6 is clamped in the sliding groove 5, and two ends of the first elastic member 2 abut against the sliding block 6 and the first sleeve 3 respectively.
Referring to fig. 1, the chute 5 is arranged on the inner side surface of the second sleeve 7, correspondingly, the first sleeve 4 is provided with a sliding block 6 which can be clamped in the chute 5 towards one end of the second sleeve 7, and at the moment, the two ends of the first elastic part 2 are abutted against the inner side surface of the sliding block 6 and the first sleeve 3. Thus, the relative rotation of the first support and the second support is ensured to be more flexible.
Further, a handle 18 can be arranged on the first supporting member, and the first supporting member can be driven to rotate by shaking the handle 18, or the grouting machine 1 can be driven to rotate so as to perform grouting between the duct piece and the soil body at different positions.
Still further, in order to facilitate the movement of the tunnel wall grouting device along the tunnel, the tunnel wall grouting device in this embodiment further includes a first roller device 10, and the first roller device 10 is fixedly connected to the outer side surface of the second sleeve 7.
Referring to fig. 1, the first roller means 10 is fixedly attached to the outer side of the second sleeve 7, so that when it is desired to move the tunnel backfill apparatus, it can be pushed along the tunnel with a small force, thereby completing the grouting operation at different positions.
The utility model provides a slip casting subassembly includes slip casting head 11, first slip casting pipe 12 and second slip casting pipe 13. As shown in fig. 1, the first grouting pipe 12 is communicated with the grouting machine 1 to guide out the grout sprayed from the grouting machine 1, one end of the second grouting pipe 13 is sleeved in the first grouting pipe 12, the other end is connected with the grouting head 11, and the second grouting pipe 13 is used for realizing the adjustability of the grouting pipeline. Of course, the first grouting pipe 12 may be directly provided in a structure of a telescopic form. Through setting the slip casting pipeline to adjustable form, can guarantee to carry out the operation of slip casting between the section of jurisdiction of different positions and the soil body, can also solve because the first support piece rotates the not enough problem of stroke that brings of not in place.
In the present embodiment, the grouting machine 1 is connected to the bucket 16 through a rotating shaft 20, and specifically, referring to fig. 2, a connecting ring 21 is fixedly mounted on the middle surface of the rotating shaft 20, and a first grouting pipe 12 is fixedly mounted on the surface of the connecting ring 21. Wherein, the connection ring 21 is a hollow structure and is respectively communicated with the rotation shaft 20 and the first grouting pipe 12.
In a preferred embodiment, a third elastic member 14 is further sleeved on the second grouting pipe 13, and two ends of the third elastic member 14 abut against the grouting head 11 and the first grouting pipe 12 respectively.
Through setting up third elastic component 14, can guarantee that slip casting head 11 can be pushed up tightly to the border position of the soil body all the time, and then guaranteed that slip casting head 11 can carry out the slip casting towards the gap between section of jurisdiction and the soil body all the time, just so guaranteed good slip casting effect.
Further, the grouting assembly further comprises a second roller device 15, and the second roller device 15 is connected between the grouting head 11 and the first grouting pipe 12. As shown in fig. 1, the second roller device 15 can make the grouting assembly (i.e. the first grouting pipe 12, the second grouting pipe 13 and the grouting head 11) rotate and slide along the surface of the tunnel wall back grouting device, so that the movement flexibility of the grouting assembly is improved.
Still further, slip casting head 11 is the universal head, can further improve this slip casting head 11's flexibility like this, has satisfied the user demand to different directions, different angles slip casting.
In addition, as shown in fig. 1, a connecting plate 19 may be further disposed between the second grouting pipe 13 and the grouting head 11 to achieve stable connection therebetween.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The tunnel wall post-grouting device comprises a grouting machine (1) and is characterized by further comprising a supporting assembly, a grouting assembly and a first elastic piece (2);
the supporting assembly comprises a first supporting piece and a second supporting piece, and the first supporting piece is movably supported at the inner side of the second supporting piece through the first elastic piece (2) so that the outer side of the second supporting piece is abutted against the tunnel wall;
the grouting machine (1) is rotatably connected to the first supporting piece, and slurry is injected between the tunnel wall and the soil body through the grouting assembly by the grouting machine (1).
2. The tunnel wall post-grouting arrangement according to claim 1, characterised in that the first support comprises a plurality of first sleeves (3), a first sleeve (4) being arranged inside the first sleeves (3), the first resilient member (2) being fitted over the first sleeve (4).
3. The tunnel wall post-grouting device according to claim 2, characterized in that a sliding groove (5) is arranged on the second supporting member, a sliding block (6) is arranged at one end of the first sleeve (4), the sliding block (6) is clamped in the sliding groove (5), and two ends of the first elastic member (2) are respectively abutted against the sliding block (6) and the first sleeve (3).
4. The tunnel wall post-grouting arrangement according to claim 1, characterised in that said second support comprises a plurality of second sleeves (7), a second sleeve (8) being provided in two adjacent second sleeves (7), said second sleeves (8) being sleeved with a second resilient member (9).
5. The tunnel backfill apparatus according to claim 4, characterized in that it further comprises a first roller means (10), said first roller means (10) being fixedly connected on the outer side of said second sleeve (7).
6. The tunnel wall post-grouting arrangement according to claim 1, characterised in that a positioning element is also arranged on the first support element, which cooperates with the grouting machine (1) to define the relative position of the grouting machine (1) and the first support element.
7. The tunnel wall post-grouting device according to claim 1, characterized in that the grouting assembly comprises a grouting head (11), a first grouting pipe (12) and a second grouting pipe (13), the first grouting pipe (12) is communicated with the grouting machine (1), one end of the second grouting pipe (13) is sleeved in the first grouting pipe (12), and the other end of the second grouting pipe (13) is provided with the grouting head (11).
8. The tunnel wall post-grouting device according to claim 7, characterized in that a third elastic member (14) is further sleeved on the second grouting pipe (13), and two ends of the third elastic member (14) are respectively abutted on the grouting head (11) and the first grouting pipe (12).
9. The tunnel backfill apparatus according to claim 7, wherein the grouting assembly further comprises a second roller arrangement (15), the second roller arrangement (15) being connected between the grouting head (11) and the first grouting pipe (12).
10. A tunnel wall grouting arrangement according to any one of claims 7-9, characterised in that the grouting head (11) is a universal head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920735467.9U CN209942840U (en) | 2019-05-21 | 2019-05-21 | Tunnel wall back grouting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920735467.9U CN209942840U (en) | 2019-05-21 | 2019-05-21 | Tunnel wall back grouting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209942840U true CN209942840U (en) | 2020-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920735467.9U Active CN209942840U (en) | 2019-05-21 | 2019-05-21 | Tunnel wall back grouting device |
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| Country | Link |
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| CN (1) | CN209942840U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113279783A (en) * | 2021-05-28 | 2021-08-20 | 苏州中车建设工程有限公司 | Tunnel construction shield constructs with slip casting equipment after wall |
| CN116446911A (en) * | 2023-04-28 | 2023-07-18 | 天津新亚太工程建设监理有限公司 | Tunnel compaction grouting equipment |
-
2019
- 2019-05-21 CN CN201920735467.9U patent/CN209942840U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113279783A (en) * | 2021-05-28 | 2021-08-20 | 苏州中车建设工程有限公司 | Tunnel construction shield constructs with slip casting equipment after wall |
| CN116446911A (en) * | 2023-04-28 | 2023-07-18 | 天津新亚太工程建设监理有限公司 | Tunnel compaction grouting equipment |
| CN116446911B (en) * | 2023-04-28 | 2023-10-31 | 天津新亚太工程建设监理有限公司 | Tunnel compaction grouting equipment |
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