CN112983486A - Grouting structure for rock-soil tunnel construction - Google Patents

Grouting structure for rock-soil tunnel construction Download PDF

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Publication number
CN112983486A
CN112983486A CN202110424006.1A CN202110424006A CN112983486A CN 112983486 A CN112983486 A CN 112983486A CN 202110424006 A CN202110424006 A CN 202110424006A CN 112983486 A CN112983486 A CN 112983486A
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CN
China
Prior art keywords
fixedly connected
block
sliding
driving
tunnel construction
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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Withdrawn
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CN202110424006.1A
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Chinese (zh)
Inventor
曾开华
戴红涛
徐斌
陶希
赵江倩
陈梓柯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangxi Academy Of Transportation Sciences Co ltd
Nanchang Institute of Technology
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Jiangxi Academy Of Transportation Sciences Co ltd
Nanchang Institute of Technology
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Application filed by Jiangxi Academy Of Transportation Sciences Co ltd, Nanchang Institute of Technology filed Critical Jiangxi Academy Of Transportation Sciences Co ltd
Priority to CN202110424006.1A priority Critical patent/CN112983486A/en
Publication of CN112983486A publication Critical patent/CN112983486A/en
Withdrawn legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/04Lining with building materials
    • E21D11/10Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/04Lining with building materials
    • E21D11/10Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
    • E21D11/105Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Lining And Supports For Tunnels (AREA)

Abstract

The invention discloses a grouting structure for rock-soil tunnel construction, which comprises a square base, wherein a storage frame is fixedly connected to the outer side of the upper end of the base, fixed blocks are fixedly connected to the positions, close to the upper end, of four inner corners of the storage frame, first sliding rods are fixedly connected between the lower ends of the four fixed blocks and the upper end of the base together, an installation plate block is sleeved on the four first sliding rods in a sliding mode, a movable groove is formed in the position, at the upper end of the base, below the installation plate block, the lower end of the installation plate block is fixedly connected with a driving frame, the position of the driving frame corresponds to the position of the movable groove, and two-way threaded rods are rotatably connected to the central positions of the. Has the advantages that: the driving motor drives the stirring shaft to stir, and simultaneously, the driving device and the push-pull block can be utilized to control the installation plate to lift so as to perform grouting work of grouting pipes with different heights, and the device has the characteristics of convenience in storage, movement and high practicability.

Description

Grouting structure for rock-soil tunnel construction
Technical Field
The invention relates to the technical field of tunnel construction, in particular to a grouting structure for rock-soil tunnel construction.
Background
When the rock-soil tunnel is constructed, the tunnel body is located in a groundwater development section, a large amount of emission possibly influences the local ecological environment, and the grouting work of the rock-soil tunnel is carried out by adopting a water prevention and drainage principle of 'mainly blocking and discharging in limited quantity'. The main purpose of grouting is to reduce the permeability of surrounding rocks, improve the impermeability of the surrounding rocks, reduce the seepage of underground water, dredge water flow, improve engineering construction, improve the mechanical properties of tunnel surrounding rocks, improve the integrity of the tunnel surrounding rocks, fill karst caves, karst troughs and cracks of the surrounding rocks around the tunnel, prevent collapse, and improve the physical and mechanical conditions of the surrounding rocks.
In order to solve the problems, a grouting structure for rock-soil tunnel construction is provided.
Disclosure of Invention
The invention aims to solve the problems in the background art and provides a grouting structure for rock-soil tunnel construction.
In order to achieve the purpose, the invention adopts the following technical scheme: a grouting structure for rock-soil tunnel construction comprises a square base, wherein a storage frame is fixedly connected to the outer side of the upper end of the base, fixed blocks are fixedly connected to the outer sides of the four inner corners of the storage frame and are close to the upper end of the storage frame, first slide bars are fixedly connected between the lower ends of the four fixed blocks and the upper end of the base, an installation plate block is sleeved on the four first slide bars in a sliding mode, a movable groove is formed in the upper end of the base and is located below the installation plate block, a driving frame is fixedly connected to the lower end of the installation plate block and corresponds to the movable groove, two-way threaded rods are rotatably connected to the central positions of the inner walls of the left side and the right side of the driving frame, two movable blocks which are symmetrically arranged in the left-right mode are sleeved on the two-way threaded rods in a threaded mode, two rotating shaft rods are rotatably connected to the front inner wall, the mounting plate block comprises two supporting plates, wherein the upper end of the rotating shaft rod is fixedly connected with the supporting plates, the front end and the rear end of one end, far away from the rotating shaft rod, of each supporting plate are fixedly connected with supporting rods, the supporting rods, located at the front position and the rear position, are respectively connected with the front side and the rear side of a moving block corresponding to the upper portion in a rotating mode, a mud box is fixedly connected to the right side of the upper end of the mounting plate block, a conveying device is arranged at the upper end of the mounting plate block and on the left side of the mud box, a conveying pipe is arranged at the upper end of the conveying device, a stirring shaft is jointly and rotatably connected to.
In foretell grouting structure of ground tunnel construction, common fixedly connected with two parallel and horizontal second slide bars that set up on the inner wall of drive frame left and right sides, two the second slide bar sets up about two-way threaded rod symmetry, two the second slide bar all slides and runs through two movable blocks settings.
In foretell grouting structure of ground tunnel construction, a plurality of stirring vane of fixedly connected with on the (mixing) shaft, mud case upper end fixed mounting has driving motor, driving motor's output and (mixing) shaft upper end fixed connection.
In the grouting structure for rock-soil tunnel construction, the driving mechanism comprises a first bevel gear fixedly connected to the lower end of the stirring shaft, the lower end of the stirring shaft extends into the driving cavity, the central position of the inner wall at the left side of the driving cavity is rotationally connected with a rotary inserted bar which is transversely arranged, a second bevel gear is fixedly sleeved on the rotary inserted link and vertically meshed with the first bevel gear, four limiting sliding strips are evenly and fixedly connected to the rotating inserted bar in the circumferential direction at the right side, a movable loop bar is sleeved at the right end of the rotating inserted bar, the four limiting sliding strips are connected with the inner peripheral wall of the movable loop bar in a sliding manner, a through hole is arranged at the right side of the bottom wall in the driving cavity, the lower end of a first gear extending out of the through hole and meshed with a second gear is fixedly sleeved on the movable sleeve rod at the position of the through hole, the right end of the bidirectional threaded rod rotates to penetrate through the inner wall of the right side of the driving frame and is fixedly connected with the axle center of the left side of the second gear.
In the grouting structure for rock-soil tunnel construction, the vertical axis positions of the left end and the right end of the storage frame are respectively provided with a sliding opening, the middle position of the right end of the installation plate block is fixedly connected with an extension block, the right end of the extension block penetrates through the sliding opening, the extension block and the installation plate block are integrally formed, the right end of the extension block is provided with a slot, a push-pull block is inserted into the slot, the right end of the movable sleeve rod is rotatably connected with the left end of the push-pull block, the upper end of the push-pull block is provided with a lifting groove, the inner walls of the left side and the right side of the lifting groove are respectively and vertically provided with a limiting groove, two lifting plates are jointly and slidably connected onto the limiting grooves, a spring is jointly and fixedly connected between the lifting plates and the inner wall of the lifting groove, the left side position of the upper end of each lifting plate, the limiting insertion block is inserted into the limiting insertion groove on the left side, the right side of the upper end of the lifting plate is fixedly connected with a pressing block, and the pressing block is located on the right side of the extending block.
In the grouting structure for rock-soil tunnel construction, the lower end of the base is fixedly connected with four universal wheels which are distributed in a rectangular shape.
Compared with the prior art, this geotechnical tunnel construction's slip casting structure's advantage lies in:
1. when the slip casting pipe to higher position that needs carries out the slip casting work, only need to push down the briquetting and promote to the left side through pressing, make originally insert the spacing inserted block of establishing in the spacing slot in right side and insert and establish in being located left spacing slot, then can make first gear from opening right side position removal to left side position, make it and second gear engagement, then driving motor rotates when carrying out stirring work at the drive (mixing) shaft, can be under drive arrangement's effect, drive the rotation of two-way threaded rod, two movable block relative movement on it can be established to two-way threaded rod rotations can drive the threaded sleeve, then utilize the backup pad and the support of rotating the axostylus axostyle to control the removal that the installation plate carries out upper and lower position, then adjust the slip casting height of conveyer pipe, with the slip casting pipe of adaptation co-altitude, the practicality of slip casting structure that has improved.
2. When the grouting machine is not used for grouting, the mounting plate block can be moved to the lowest position, and the conveying device and the mud box are stored in the storage frame, so that the grouting machine does not occupy a large space and is convenient to move.
Drawings
FIG. 1 is a structural perspective view of a front side of a grouting structure for geotechnical tunnel construction according to the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is an enlarged view of the structure at B in FIG. 2;
fig. 4 is a schematic structural view of the left side of a movable casing in a grouting structure for rock-soil tunnel construction, which is provided by the invention.
In the figure: the device comprises a base 1, a storage frame 2, a fixed block 3, a first slide bar 4, a mounting plate 5, a movable groove 6, a driving frame 7, a bidirectional threaded rod 8, a moving block 9, a rotating shaft rod 10, a supporting plate 11, a supporting rod 12, a second slide bar 13, a mud box 14, a conveying device 15, a conveying pipe 16, a stirring shaft 17, a stirring blade 18, a driving motor 19, a driving cavity 20, a first bevel gear 21, a rotating inserted link 22, a second bevel gear 23, a limiting slide bar 24, a moving sleeve 25, a push-pull block 26, a first gear 27, a second gear 28, a lifting groove 29, a limiting groove 30, a lifting plate 31, a spring 32, a limiting inserted block 33, a limiting slot 34, a pressing block 35 and a universal wheel 36.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Examples
Referring to fig. 1-4, a grouting structure for rock tunnel construction, comprising a square base 1, a storage frame 2 fixedly connected to the outer side of the upper end of the base 1, for storing the grouting structure when the structure is not in use, fixed blocks 3 fixedly connected to the four inner corners of the storage frame 2 and near the upper end, first slide bars 4 fixedly connected between the lower ends of the fixed blocks 3 and the upper end of the base 1, mounting plates 5 slidably sleeved on the four first slide bars 4, the four first slide bars 4 having a limiting function and capable of keeping the mounting plates 5 stably moving up and down, a movable groove 6 formed at the upper end of the base 1 and below the mounting plates 5, a driving frame 7 corresponding to the movable groove 6 and fixedly connected to the lower end of the mounting plates 5, and a bidirectional threaded rod 8 rotatably connected to the central positions of the inner walls at the left and right sides of the driving frame 7, two moving blocks 9 which are symmetrically arranged left and right are sleeved on the bidirectional threaded rod 8 through threads, the thread turning directions of the left side and the right side of the bidirectional threaded rod 8 are opposite, when the bidirectional threaded rod is rotated, the two moving blocks 9 can move on the bidirectional threaded rod 8 relatively, two second sliding rods 13 which are parallel and transversely arranged are fixedly connected on the inner walls of the left side and the right side of the driving frame 7 together, the two second sliding rods 13 are symmetrically arranged about the bidirectional threaded rod 8, the two second sliding rods 13 are arranged to penetrate through the two moving blocks 9 in a sliding manner, the second sliding rods 13 have a limiting function and can keep the two moving blocks 9 to move stably left and right, two rotating shaft levers 10 are rotatably connected on the front inner wall and the rear inner wall of the movable groove 6 together, the two rotating shaft levers 10 are symmetrically arranged about the center of the movable groove 6 and are respectively close, the front and back positions of one end, far away from the rotating shaft rod 10, of the two supporting plates 11 are fixedly connected with supporting rods 12, the supporting rods 12 located in the front and back positions are respectively connected with the front side and the back side of the corresponding moving block 9, and when the two moving blocks 9 move relatively, the mounting plate block 5 can be controlled to move up and down under the supporting effect of the two supporting plates 11 and the rotating shaft rod 10.
A mud box 14 is fixedly connected to the right side of the upper end of the mounting plate 5, a conveying device 15 is arranged at the upper end of the mounting plate 5 and on the left side of the mud box 14, a conveying pipe 16 is arranged at the upper end of the conveying device 15, a stirring shaft 17 is jointly and rotatably connected to the central positions of the upper inner wall and the lower inner wall of the mud box 14, a plurality of stirring blades 18 are fixedly connected to the stirring shaft 17, a driving motor 19 is fixedly mounted at the upper end of the mud box 14, the output end of the driving motor 19 is fixedly connected to the upper end of the stirring shaft 17, the mud in the mud box 14 can be stirred, a good grouting state is kept, a driving cavity 20 is formed in the mounting plate 5 and below the central axis of the mud box 14, a driving mechanism is arranged in the driving cavity 20, the driving mechanism comprises a first bevel gear 21 fixedly connected to the lower end of the stirring shaft 17, the lower end of the stirring shaft, a second bevel gear 23 is fixedly sleeved on the rotary inserted rod 22, the second bevel gear 23 is vertically meshed with the first bevel gear 21, the rotary inserted rod 22 is driven to rotate by the stirring shaft 17 through the first bevel gear 21 and the second bevel gear 23, four limit slips 24 are uniformly and fixedly connected to the rotary inserted rod 22 in the circumferential direction at the right side, a movable sleeve rod 25 is sleeved at the right end of the rotary inserted rod 22, the four limit slips 24 are slidably connected with the inner peripheral wall of the movable sleeve rod 25, the rotary inserted rod 22 drives the movable sleeve rod 25 to coaxially rotate through torque transmitted by the four limit slips 24, the movable sleeve rod 25 can transversely move along the rotary inserted rod 22, an opening is formed in the right side position of the bottom wall in the driving cavity 20, an opening is fixedly sleeved on the movable sleeve rod 25 at the opening, the lower end of the first gear 27 extends out and is meshed with a second gear 28, the right end of the bidirectional threaded rod 8 rotatably penetrates through the right inner wall of the driving frame 7 and is fixedly connected, when the movable sleeve rod 25 rotates, the first gear 27 and the second gear 28 are in meshed transmission, and the bidirectional threaded rod 8 is driven to rotate.
The vertical axial positions of the left end and the right end of the storage frame 2 are both provided with sliding openings, which is convenient for the movement of the conveying pipe 16, the middle position of the right end of the installation plate block 5 is fixedly connected with an extension block, the right end of the extension block is arranged through the sliding openings, the extension block and the installation plate block 5 are integrally formed, the right end of the extension block is provided with a slot, a push-pull block 26 is inserted in the slot, the push-pull block 26 can move left and right in the slot, the right end of the movable loop bar 25 is rotatably connected with the left end of the push-pull block 26, the upper end of the push-pull block 26 is provided with a lifting groove 29, the inner walls of the left side and the right side of the lifting groove 29 are both vertically provided with limiting grooves 30, the two limiting grooves 30 are jointly and slidably connected with a lifting plate 31, a spring 32 is jointly and fixedly connected between the lifting plate, spacing inserted block 33 is inserted and is established and be located left spacing slot 34, and lifter plate 31 upper end right side fixedly connected with presses according to piece 35, presses according to piece 35 and is located extension piece right side position, presses and presses according to piece 35 and pulling or promote, then whether steerable first gear 27 and second gear 28 mesh, then whether control installation plate 5 goes up and down.
The lower end of the base 1 is fixedly connected with four universal wheels 36 which are distributed in a rectangular shape, so that the invention is convenient to move.
The concrete slurry for grouting may be continuously transported into the slurry tank 14 by a concrete truck to satisfy the continuous use of the concrete slurry.
The working principle of the invention is as follows:
before the grouting work of carrying out the geotechnical tunnel construction, through pressing down the pressing block 35, drive lifter plate 31 and move down under two spacing groove 30 limiting displacement, compression spring 32, then will insert the spacing slot 34 of the spacing inserted block 33 who is located left spacing slot 34, then right pulling push-and-pull piece 26, make spacing inserted block 33 insert the spacing slot 34 that is located the right side, push-and-pull piece 26 can drive simultaneously and move loop bar 25 and move to the right, make first gear 27 move to second gear 28 right side, do not mesh with second gear 28.
When grouting work of rock tunnel construction is carried out, the four universal wheels 36 are utilized to push the grouting device to move to a position needing grouting, concrete grout is filled in the grout box 14, the driving motor 19 drives the stirring shaft 17 and the stirring blades 18 to rotate continuously, and the concrete grout in the grout box 14 is stirred continuously, so that the concrete grout is prevented from caking, and the good using state is kept. The concrete slurry in the slurry tank 14 is pumped into a grouting pipe provided in advance through a delivery pipe 16 by a delivery device 15, and then grouting work is performed (the delivery device 15 is a prior art, is not related to the problem solved by the present invention, and will not be described here). When grouting is needed to be performed on a higher grouting pipe, the pressing block 35 is pressed downwards, the pushing and pulling block 26 is pushed leftwards, the limiting insertion block 33 originally inserted into the limiting insertion groove 34 on the right side is inserted into the limiting insertion groove 34 on the left side, the movable sleeve rod 25 drives the first gear 27 to move leftwards, the first gear 27 is meshed with the second gear 28, the driving motor 19 drives the stirring shaft 17 to rotate, the rotary insertion rod 22 is driven to rotate by meshing transmission of the first bevel gear 21 and the second bevel gear 23, the rotary insertion rod 22 transmits torque to the movable sleeve rod 25 under the limiting action of the four limiting sliding strips 24, the first gear 27 is meshed with the second gear 28 to drive the bidirectional threaded rod 8 to rotate forwards or reversely, then the two movable blocks 9 on the bidirectional threaded rod 8 move relatively, and when the two movable blocks 9 move towards opposite directions, under the effect of two rotating shaft pole 10 and backup pad 11, installation plate 5 is by jack-up upwards, then can lift conveyor 15 and mud box 14 and move up, then can carry out the slip casting work to the slip casting pipe of higher position, when two movable blocks 9 want to be close to when removing, installation plate 5 can the adjusting position downwards, can make mud box 14 and conveyor 15 receive simultaneously and deposit in receiving and depositing frame 2, do not occupy great space, conveniently remove.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (6)

1. A grouting structure for rock-soil tunnel construction comprises a square base (1) and is characterized in that a storage frame (2) is fixedly connected to the outer side of the upper end of the base (1), fixed blocks (3) are fixedly connected to the four inner corners of the storage frame (2) and close to the upper end of the storage frame, a first sliding rod (4) is fixedly connected between the lower end of each fixed block (3) and the upper end of the base (1), an installation plate block (5) is sleeved on the four first sliding rods (4) in a sliding mode, a movable groove (6) is formed in the upper end of the base (1) and below the installation plate block (5), a driving frame (7) with the position corresponding to the movable groove (6) is fixedly connected to the lower end of the installation plate block (5), a bidirectional threaded rod (8) is connected to the center positions of the inner walls of the left side and the right side of the driving frame (7) in a rotating mode, two movable blocks (9) which are symmetrically arranged in a threaded, the front inner wall and the rear inner wall of the movable groove (6) are jointly and rotatably connected with two rotating shaft levers (10), the two rotating shaft levers (10) are arranged in central symmetry relative to the movable groove (6) and are respectively close to the inner walls of the left side and the right side of the movable groove (6), the upper ends of the two rotating shaft levers (10) are respectively and fixedly connected with a supporting plate (11), the front position and the rear position of one end, far away from the rotating shaft levers (10), of the two supporting plates (11) are respectively and fixedly connected with supporting rods (12), the supporting rods (12) positioned at the front position and the rear position are respectively and rotatably connected with the front side and the rear side of a moving block (9) corresponding to the upper part, the right side of the upper end of the mounting plate block (5) is fixedly connected with a slurry box (14), the upper end of the mounting plate block (5) and the left side of the slurry box (14) are provided with a conveying, a driving cavity (20) is formed in the mounting plate (5) and below the central axis of the mud box (14), and a driving mechanism is arranged in the driving cavity (20).
2. The grouting structure for rock tunnel construction according to claim 1, wherein two second sliding rods (13) which are parallel and transversely arranged are fixedly connected to the inner walls of the left side and the right side of the driving frame (7) together, the two second sliding rods (13) are symmetrically arranged relative to the bidirectional threaded rod (8), and the two second sliding rods (13) are arranged to penetrate through the two moving blocks (9) in a sliding manner.
3. The grouting structure for geotechnical tunnel construction according to claim 1, wherein a plurality of stirring blades (18) are fixedly connected to the stirring shaft (17), a driving motor (19) is fixedly mounted at the upper end of the mud box (14), and the output end of the driving motor (19) is fixedly connected to the upper end of the stirring shaft (17).
4. The grouting structure for geotechnical tunnel construction according to claim 1, wherein the driving mechanism comprises a first bevel gear (21) fixedly connected to a lower end of the stirring shaft (17), the lower end of the stirring shaft (17) extends into the driving cavity (20), a transversely-arranged rotating inserted bar (22) is rotatably connected to a central position of a left inner wall of the driving cavity (20), a second bevel gear (23) is fixedly connected to the rotating inserted bar (22) in a sleeved manner, the second bevel gear (23) is vertically meshed with the first bevel gear (21), four limiting sliding strips (24) are uniformly and fixedly connected to the rotating inserted bar (22) in a circumferential direction at a right side position, a moving sleeve rod (25) is sleeved at a right end of the rotating inserted bar (22), the four limiting sliding strips (24) are slidably connected to an inner circumferential wall of the moving sleeve rod (25), a through hole is formed at a right side position of a bottom wall in the driving cavity (20), remove on loop bar (25) and fixed the cup jointing at opening position have first gear (27) lower extreme to extend the opening and have meshing second gear (28), two-way threaded rod (8) right-hand member rotates and runs through drive frame (7) right side inner wall and with second gear (28) left side axle center fixed connection.
5. The grouting structure for rock-soil tunnel construction according to claim 4, wherein sliding openings are formed in the vertical axis positions of the left end and the right end of the storage frame (2), an extension block is fixedly connected to the middle position of the right end of the installation plate block (5), the right end of the extension block penetrates through the sliding openings, the extension block and the installation plate block (5) are integrally formed, a slot is formed in the right end of the extension block, a push-pull block (26) is inserted into the slot, the right end of the movable sleeve rod (25) is rotatably connected with the left end of the push-pull block (26), a lifting groove (29) is formed in the upper end of the push-pull block (26), limiting grooves (30) are vertically formed in the inner walls of the left side and the right side of the lifting groove (29), lifting plates (31) are connected to the two limiting grooves (30) in a sliding mode, and springs (32) are fixedly connected between the lifting plates (31) and the inner bottom wall of, the utility model discloses a lifter plate, including lifter plate (31), spacing plug-in block (33) of lifter plate upper end left side position fixedly connected with, set up spacing slot (34) that the interval set up about two on the roof in the slot, spacing plug-in block (33) are inserted and are established and are located left spacing slot (34), lifter plate (31) upper end right side fixedly connected with presses piece (35), press piece (35) to be located extension piece right side position.
6. The grouting structure for geotechnical tunnel construction according to claim 1, wherein four universal wheels (36) are fixedly connected to the lower end of the base (1) and are distributed in a rectangular shape.
CN202110424006.1A 2021-04-20 2021-04-20 Grouting structure for rock-soil tunnel construction Withdrawn CN112983486A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110424006.1A CN112983486A (en) 2021-04-20 2021-04-20 Grouting structure for rock-soil tunnel construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110424006.1A CN112983486A (en) 2021-04-20 2021-04-20 Grouting structure for rock-soil tunnel construction

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Publication Number Publication Date
CN112983486A true CN112983486A (en) 2021-06-18

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CN202110424006.1A Withdrawn CN112983486A (en) 2021-04-20 2021-04-20 Grouting structure for rock-soil tunnel construction

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113605937A (en) * 2021-09-09 2021-11-05 中国建筑第四工程局有限公司 Continuous constant-pressure synchronous grouting device for shield tunnel construction

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113605937A (en) * 2021-09-09 2021-11-05 中国建筑第四工程局有限公司 Continuous constant-pressure synchronous grouting device for shield tunnel construction

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Application publication date: 20210618

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