CN112901211B - Secondary grouting device - Google Patents
Secondary grouting device Download PDFInfo
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- CN112901211B CN112901211B CN202110063395.XA CN202110063395A CN112901211B CN 112901211 B CN112901211 B CN 112901211B CN 202110063395 A CN202110063395 A CN 202110063395A CN 112901211 B CN112901211 B CN 112901211B
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- pipe
- fixedly connected
- fixed roller
- secondary grouting
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining 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
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining 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
- E21D11/105—Transport 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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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/04—Air ducts
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/02—Suspension devices for tubes or the like, e.g. for ventilating ducts
Abstract
The invention relates to an improved secondary grouting device, which comprises a duct piece and a wrong-turning platform, and is characterized in that the wrong-turning platform is arranged in the duct piece, two material conveying trolleys are symmetrically arranged on the upper surface of the wrong-turning platform, a conveying rack is fixedly connected on the inner wall of the left side of the duct piece, a secondary grouting component is additionally arranged on the wrong-turning platform, and the secondary grouting component and grouting equipment enable the secondary grouting component to synchronously carry out tunnel excavation and secondary grouting after the secondary grouting component is butted with a grouting pipe reserved at the top of the duct piece, a second fixed roller is arranged on the upper surface of a cross beam, two ends of the second fixed roller are lapped on a roller supporting seat provided with a sliding block and a lifting spring, so that the second fixed roller has certain elastic expansion capacity in the vertical direction, and can roll under an air supply pipe during the tunneling process of the equipment, and the bearing height of the second fixed roller can be correspondingly changed along with different tunneling depths.
Description
Technical Field
The invention relates to the technical field of tunneling, in particular to an improved secondary grouting device.
Background
In the construction process of TBM equipment, duct piece wall post-grouting is a major influence factor of construction quality, and in the construction and operation processes, the continuity and quality control of equipment grouting always are very concerned by large manufacturers. The method not only influences the safety of tunnel engineering and the safety of a structure, but also can improve the tunneling efficiency of TBM equipment.
However, in the existing duct piece wall post-grouting technology, the following problems still exist: the invention is explained by taking a water diversion project of a banyangjiang gate as an example, through field investigation of equipment, secondary grouting of TBM equipment in the tunneling process cannot be carried out, the construction can be carried out only after the equipment is stopped, and the tunneling construction efficiency is seriously impressed.
The verification shows that the CREC7712 of medium-speed railway equipment belongs to a wrong-car platform from 26# -33#, no other pipelines except for high-voltage cables, equipment water supply and equipment water drainage exist, and a set of device is reasonably added at the position. Because of the restriction of construction process, need install continuous belt feeder in tunnelling direction left side, the upper portion of right side needs the interior blast pipe of installation hole (phi 1.3 m), need often to park on the platform of changing cars and carry out the material and carry, follow-up discovery after technical management team research discussion has 190mm spaces to use from the section of jurisdiction in tunnelling direction right side, through set up secondary cementer at this position, can satisfy synchronous construction requirement.
In order to solve the problem that secondary grouting cannot be performed in the tunneling process, the invention provides an improved secondary grouting device.
Disclosure of Invention
(1) Technical problem to be solved
In the initial stage of equipment operation, because a secondary grouting work area (mainly a vehicle-changing platform area) is influenced by a space area (on the right side of a tunneling direction) of a continuous belt conveyor and a material transport vehicle in a tunnel, the work construction can be carried out only in a state of stopping the equipment operation, the time consumed for secondary grouting when the equipment is stopped is 30-50 minutes each time, so that the tunneling of the equipment is frequently stopped and waited for, the continuous construction cannot be carried out in the secondary grouting area of the equipment, quality defects such as faults, honeycombs and the like can be generated, the tunneling construction quality and efficiency are influenced, subsequently after the secondary grouting platform is invented, personnel can carry out secondary grouting construction simultaneously during the tunneling period, the continuous construction condition is provided, the construction quality is improved, and after the invention is invented and put into use, the construction from the previous construction only in the 30-33 # trolley area to the construction from the 26-33 # trolley area can be carried out Construction, the construction area is wider, and in the process of equipment tunneling, the construction efficiency is greatly improved. And then, through statistics, the effective tunneling efficiency of the equipment is improved by more than 30%, so that the equipment can be continuously produced.
(2) Technical scheme
In order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows: an improved secondary grouting device comprises a duct piece and a vehicle-staggering platform, and is characterized in that the vehicle-staggering platform is arranged in the duct piece, two material conveying trolleys are symmetrically arranged on the upper surface of the vehicle-staggering platform, a conveying rack is fixedly connected to the inner wall of the left side of the duct piece, a continuous belt conveyor is fixedly mounted on the conveying rack, a grouting pipe is fixedly inserted into the top of the duct piece, and a secondary grouting assembly is arranged on the lower side of the grouting pipe;
the secondary grouting assembly comprises a cross beam and a bent piece, the lower end of the bent piece is fixedly connected with a fixed connecting block, the fixed connecting block is fixedly connected with the wrong-turning platform through a bolt, the right end of the cross beam is fixedly connected with the upper end of the bent piece, a supporting steel pipe is arranged at the joint of the cross beam and the bent piece, and two ends of the supporting steel pipe are respectively fixedly connected with the cross beam and the bent piece through bolts;
the upper surface of the cross beam is symmetrically connected with two roller supporting seats, a fixed roller II is arranged between the two roller supporting seats, an air supply pipe is arranged in a duct piece at the upper side of the fixed roller II, the two roller supporting seats are connected with sliding blocks in a sliding clamping manner, two ends of the fixed roller II are respectively placed on the two sliding blocks, the lower surface of each sliding block is fixedly connected with a lifting spring, the other end of the lifting spring is fixedly connected with the roller supporting seats, the right side of the fixed roller II is provided with the fixed roller I, the fixed roller I is rotatably connected with the cross beam through a bearing, the left side of the fixed roller II is provided with a movable roller, one end of the movable roller is hinged with the cross beam, the other end of the movable roller is rotatably connected with a bearing sleeve through a bearing, the upper surface of the left end of the cross beam is fixedly connected with a material receiving hopper, and the right side surface of the material receiving hopper is fixedly connected with a tension spring, the other end of the extension spring is fixedly connected with the bearing sleeve;
the inside fixed mounting that connects the hopper has a mounting bracket, the upper end fixed mounting of mounting bracket has the cylinder, the output fixedly connected with butt joint of cylinder, the intercommunication has the conveying pipe on one side outer wall of butt joint.
Further, the bent piece is matched with the radian of the pipe piece.
Further, a pressure gauge is arranged on the grouting pipe.
Furthermore, sponge sleeves are sleeved outside the movable roller, the first fixed roller and the second fixed roller.
Furthermore, trapezoidal notches are formed in the outer walls of the front side and the rear side of the material receiving hopper.
Further, the installing support includes fixed plate and four supporting leg pole, four the one end and the fixed plate fixed connection of supporting leg pole, four the other end of supporting leg pole and the inner wall fixed connection who connects the hopper, four fixedly connected with stainless steel net between the supporting leg pole.
Furthermore, connect the bottom back taper structure of hopper, the fixed grafting of bottom intermediate position department of connecing the hopper has row material pipe.
(3) Has the advantages that:
1. according to the construction grouting device, the secondary grouting assembly is additionally arranged on the staggered platform, and the secondary grouting assembly and the grouting equipment enable the secondary grouting assembly to be capable of achieving synchronous tunneling and secondary grouting after the secondary grouting assembly is in butt joint with the grouting pipe reserved at the top of the segment.
2. According to the invention, the fixed roller II is arranged on the upper surface of the cross beam, and two ends of the fixed roller II are overlapped on the roller supporting seat provided with the sliding block and the lifting spring, so that the fixed roller II has certain elastic telescopic capacity in the vertical direction, and can roll on the lower side of the blast pipe in the tunneling process of equipment, and the bearing height of the fixed roller II can be correspondingly changed along with different tunneling depths.
3. According to the invention, the rotatable first fixed roller is arranged on the right side of the second fixed roller, the movable roller is arranged on the left side of the second fixed roller, one end of the movable roller is hinged with the cross beam, the other end of the movable roller is rotatably connected with the bearing sleeve through the bearing, the bearing sleeve is elastically connected with the receiving hopper through the extension spring, and the movable roller can deflect to a certain angle around a hinge point with the cross beam through the extension elasticity of the extension spring, so that the distance between the movable roller and the first fixed roller can be correspondingly changed along with different tunneling bending degrees while the movable roller can roll on one side of the blast pipe in the tunneling process of equipment.
4. According to the invention, the mounting bracket is obtained by fixedly mounting the air cylinder in the receiving hopper, the air cylinder is mounted at the upper end of the mounting bracket, the output end of the air cylinder is fixedly connected with the butt joint, the outer wall of one side of the butt joint is communicated with the feeding pipe and is connected with the grouting equipment through the feeding pipe, when the butt joint moves to the position of the grouting pipe, the butt joint is driven to move upwards by taking the air cylinder as a power source so as to be in butt joint with the grouting pipe above, the feeding pipe is communicated with the grouting pipe, and concrete slurry is poured into the secondary grouting cavity along the feeding pipe and the grouting pipe through the grouting equipment.
5. In the invention, the sponge sleeves are sleeved outside the movable roller, the first fixed roller and the second fixed roller, so that the movable roller, the first fixed roller and the second fixed roller have certain flexibility, and the air supply pipe is prevented from being scratched or broken due to different tunneling directions and tunneling depths in the tunneling process, so that the air supply pipe is effectively protected, and the influence on secondary grouting is prevented.
According to the invention, the stainless steel mesh is arranged on the mounting bracket, the inverted cone structure is arranged at the bottom of the receiving hopper, the discharging pipe is fixedly inserted at the middle position of the bottom of the receiving hopper, and due to the fact that the stainless steel mesh has certain permeability, grouting materials falling off in the grouting process and when the joint is separated from the grouting pipe can be gathered downwards through the stainless steel mesh and gathered to the discharging pipe along the conical surface at the bottom of the receiving hopper, and then the grouting materials are discharged by the discharging pipe for recycling.
Drawings
FIG. 1 is a schematic view of the assembly position of the secondary grout assembly of the present invention;
FIG. 2 is a schematic structural view of a secondary grouting assembly according to the present invention;
FIG. 3 is an enlarged view of the cross-sectional structure at A in FIG. 2 according to the present invention;
FIG. 4 is a left side view of the roller support base according to the present invention.
The reference numbers are as follows:
the device comprises a secondary grouting assembly 1, a duct piece 2, an air supply pipe 3, a grouting pipe 4, a pressure gauge 5, a transportation rack 6, a continuous belt conveyor 7, a wrong-turn platform 8, a material conveying trolley 9, a material receiving hopper 10, a movable roller 11, a first fixed roller 12, a cross beam 13, a supporting steel pipe 14, a bent piece 15, a fixed connecting block 16, a roller supporting seat 17, a second fixed roller 18, a material conveying pipe 19, a butt joint 20, a cylinder 21, a material discharging pipe 22, a stainless steel net 23, a supporting leg rod 24, a fixed plate 25, a bearing sleeve 26, an extension spring 27, a trapezoid notch 28, a sliding block 29 and a lifting spring 30.
Detailed Description
The invention will be further illustrated with reference to the following figures 1-4 and examples: an improved secondary grouting device comprises a duct piece 2 and a wrong-turning platform 8, wherein the wrong-turning platform 8 is arranged in the duct piece 2, the wrong-turning platform 8 synchronously advances along with the tunneling progress of the duct piece 2, two material conveying trolleys 9 are symmetrically arranged on the upper surface of the staggering platform 8, the two material conveying trolleys 9 have opposite movement directions and are responsible for conveying out stones, soil and other materials in the tunneling process in turn, a conveying frame 6 is fixedly connected to the inner wall of the left side of the duct piece 2, a continuous belt conveyor 7 is fixedly arranged on the conveying frame 6, the stones, soil and other materials are conveyed to the left material conveying trolley 9 through the continuous belt conveyor 7, the top of the duct piece 2 is fixedly inserted with a grouting pipe 4, the lower side of the grouting pipe 4 is provided with a secondary grouting component 1, which is not shown in the connection diagram of the secondary grouting component 1 and grouting equipment, and after the grouting pipe 4 reserved at the top of the duct piece 2 is butted, the synchronous tunneling and secondary grouting is realized.
Two roller supporting seats 17 are symmetrically connected to the upper surface of the beam 13, a fixed roller II 18 is arranged between the two roller supporting seats 17, an air supply pipe 3 is arranged in a duct piece 2 on the upper side of the fixed roller II 18, sliding blocks 29 are connected to the two roller supporting seats 17 in a sliding and clamping mode, two ends of the fixed roller II 18 are respectively placed on the two sliding blocks 29, a lifting spring 30 is fixedly connected to the lower surface of each sliding block 29, the other end of the lifting spring 30 is fixedly connected with the roller supporting seats 17, so that the fixed roller II 18 has certain elastic telescopic capacity in the vertical direction, the fixed roller II 18 can roll on the lower side of the air supply pipe 3 in the tunneling process of equipment, the bearing height of the fixed roller II 18 can be correspondingly changed along with different tunneling depths, a fixed roller I12 is arranged on the right side of the fixed roller II 18, and the fixed roller I12 is rotatably connected with the beam 13 through a bearing, the left side of the second fixed roller 18 is provided with a movable roller 11, one end of the movable roller 11 is hinged to the cross beam 13, the other end of the movable roller 11 is rotatably connected with the bearing sleeve 26 through a bearing, the upper surface of the left end of the cross beam 13 is fixedly connected with the receiving hopper 10, the right side surface of the receiving hopper 10 is fixedly connected with an extension spring 27, the other end of the extension spring 27 is fixedly connected with the bearing sleeve 26, and through the extension elasticity of the extension spring 27, the movable roller 11 can deflect to a certain angle around a hinge point with the cross beam 13, so that the equipment is in a tunneling process, the movable roller 11 can roll on one side of the blast pipe 3 and can change the distance between the movable roller 11 and the first fixed roller 12 along with different tunneling bending degrees.
Connect the inside fixed mounting of hopper 10 to have a installing support, the upper end fixed mounting of installing support has cylinder 21, the output fixedly connected with of cylinder 21 connects 20, the intercommunication has conveying pipe 19 on the outer wall of one side of connecting 20, conveying pipe 19 is connected with grouting equipment (not drawn in the figure), support the cylinder 21 through the installing support and fix in connecting hopper 10, when connecting 20 moves to grouting pipe 4 place, as the power supply through cylinder 21, drive connecting 20 upward movement, thereby realize the butt joint with the grouting pipe 4 of top, make conveying pipe 19 and grouting pipe 4 keep the intercommunication, pour into concrete thick liquid to the secondary grout cavity along conveying pipe 19 and grouting pipe 4 through grouting equipment.
In the embodiment, the radian of the bent piece 15 is matched with that of the segment 2, so that the space of about 190mm distance from the segment 2 on the right side of the tunneling direction of the tunneling device is fully utilized, the secondary grouting component 1 can meet the synchronous construction requirement of tunneling and secondary grouting, and meanwhile, the shape adaptability of the bent piece 15 and the segment 2 is good, so that the secondary grouting component 1 cannot scratch the inner wall of the segment 2 in the moving process, and the smoothness of secondary grouting is further ensured.
In this embodiment, be provided with manometer 5 on the slip casting pipe 4, learn the inside pressure of infusing of slip casting pipe 4 in real time through 5 readings of manometer, judge secondary grout cavity and pour the saturation to avoid causing the material to pour the condition not enough with the excessive.
In this embodiment, the outer portions of the movable roller 11, the first fixed roller 12 and the second fixed roller 18 are all sleeved with sponge sleeves, so that the movable roller, the first fixed roller 12 and the second fixed roller 18 have certain flexibility, and the air supply pipe 3 is prevented from being scratched or broken due to the difference of the tunneling direction and the tunneling depth in the tunneling process, so that the air supply pipe 3 is effectively protected, and influence on secondary grouting is prevented.
In this embodiment, connect and seted up trapezoidal notch 28 on the both sides outer wall around hopper 10, the position of trapezoidal notch 28 and slip casting pipe 4 of both sides is aligned around to at the in-process of secondary grout subassembly 1 motion, make slip casting pipe 4 can enter into through the trapezoidal notch 28 of one side and connect the hopper 10, after the slip casting, go out through the trapezoidal notch 28 of opposite side.
In this embodiment, the mounting bracket includes fixed plate 25 and four supporting leg rods 24, the one end and the fixed plate 25 fixed connection of four supporting leg rods 24, the other end of four supporting leg rods 24 and the inner wall fixed connection who connects hopper 10, fixedly connected with stainless steel net 23 between four supporting leg rods 24, supporting role through four supporting leg rods 24 makes cylinder 21 fix in connecing hopper 10, and because stainless steel net 23 has certain permeability, make the grout material that drops can permeate through stainless steel net 23 and assemble downwards when grout in-process and break away from to joint 20 and slip casting pipe 4.
In this embodiment, connect the fixed grafting in bottom intermediate position department of hopper 10 of the back taper structure in bottom of hopper 10 to have row material pipe 22 for the grout material that drips assembles to row material pipe 22 along the conical surface that connects the hopper 10 bottom, and then discharges reuse by row material pipe 22.
In the implementation process of the invention, the adopted welding process flow is firstly evaluated by the welding process, and a test piece sample is prepared, after being qualified, the welding can be carried out, and nondestructive detection is required after the welding is finished; and constructing all the bolt connection parts by using a torque wrench, dividing each bolt into initial screwing construction and final screwing construction, and marking by using a marking pen.
The invention has the beneficial effects that:
1. according to the invention, the secondary grouting assembly 1 is additionally arranged on the staggered platform 8, and the secondary grouting assembly 1 and the grouting equipment ensure that the tunnel excavation and the secondary grouting can be synchronously carried out after the secondary grouting assembly 1 is butted with the grouting pipe 4 reserved at the top of the duct piece 2.
2. According to the invention, the fixed roller II 18 is arranged on the upper surface of the cross beam 13, and two ends of the fixed roller II 18 are overlapped on the roller supporting seat 17 provided with the slide block 29 and the lifting spring 30, so that the fixed roller II 18 has certain elastic telescopic capacity in the vertical direction, and in the tunneling process of equipment, the fixed roller II 18 can roll on the lower side of the blast pipe 3, and the supporting height of the fixed roller II 18 can be correspondingly changed along with different tunneling depths.
3. According to the invention, the rotatable fixed roller I12 is arranged on the right side of the fixed roller II 18, the movable roller 11 is arranged on the left side of the fixed roller II 18, one end of the movable roller 11 is hinged with the cross beam 13, the other end of the movable roller 11 is rotatably connected with the bearing sleeve 26 through a bearing, the bearing sleeve 26 is elastically connected with the receiving hopper 10 through the extension spring 27, the movable roller 11 can deflect to a certain angle around a hinged point with the cross beam 13 through the extension elasticity of the extension spring 27, and the distance between the movable roller 11 and the fixed roller I12 can be correspondingly changed along with different tunneling bending degrees while the movable roller 11 can roll on one side of the air supply pipe 3 in the tunneling process of the equipment.
4. According to the invention, an air cylinder 21 is fixedly arranged in a receiving hopper 10 to obtain an installation support, the air cylinder 21 is arranged at the upper end of the installation support, the output end of the air cylinder 21 is fixedly connected with a butt joint 20, the outer wall of one side of the butt joint 20 is communicated with a feeding pipe 19 and is connected with grouting equipment through the feeding pipe 19, when the butt joint 20 moves to the position of the grouting pipe 4, the air cylinder 21 serves as a power source to drive the butt joint 20 to move upwards so as to be in butt joint with the grouting pipe 4 above, the feeding pipe 19 is communicated with the grouting pipe 4, and concrete slurry is poured into a secondary grouting cavity along the feeding pipe 19 and the grouting pipe 4 through the grouting equipment.
5. In the invention, sponge sleeves are sleeved outside the movable roller 11, the first fixed roller 12 and the second fixed roller 18, so that the movable roller has certain flexibility, the air supply pipe 3 is prevented from being scratched or broken due to different tunneling directions and tunneling depths in the tunneling process, the air supply pipe 3 is effectively protected, and the secondary grouting is prevented from being influenced.
6. According to the invention, the stainless steel mesh 23 is arranged on the mounting bracket, the bottom of the receiving hopper 10 is of an inverted cone structure, the discharging pipe 22 is fixedly inserted in the middle position of the bottom of the receiving hopper 10, and due to the fact that the stainless steel mesh 23 has certain permeability, grouting materials falling off during grouting and when the joint 20 is separated from the grouting pipe 4 can be gathered downwards through the stainless steel mesh 23 and gathered to the discharging pipe 22 along the conical surface at the bottom of the receiving hopper 10, and then the grouting materials are discharged by the discharging pipe 22 for recycling.
The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.
Claims (7)
1. A secondary grouting device comprises a duct piece and a vehicle-staggering platform, and is characterized in that the vehicle-staggering platform is arranged in the duct piece, two material conveying trolleys are symmetrically arranged on the upper surface of the vehicle-staggering platform, a conveying rack is fixedly connected to the inner wall of the left side of the duct piece, a continuous belt conveyor is fixedly mounted on the conveying rack, a grouting pipe is fixedly inserted into the top of the duct piece, and a secondary grouting assembly is arranged on the lower side of the grouting pipe;
the secondary grouting assembly comprises a cross beam and a bent piece, the lower end of the bent piece is fixedly connected with a fixed connecting block, the fixed connecting block is fixedly connected with the wrong-turning platform through a bolt, the right end of the cross beam is fixedly connected with the upper end of the bent piece, a supporting steel pipe is arranged at the joint of the cross beam and the bent piece, and two ends of the supporting steel pipe are respectively fixedly connected with the cross beam and the bent piece through bolts;
the upper surface of the beam is symmetrically connected with two roller supporting seats, a fixed roller II is arranged between the two roller supporting seats, an air supply pipe is arranged in a duct piece on the upper side of the fixed roller II, the two roller supporting seats are connected with sliding blocks in a sliding clamping manner, two ends of the fixed roller II are respectively placed on the two sliding blocks, the lower surface of each sliding block is fixedly connected with a lifting spring, the other end of each lifting spring is fixedly connected with the roller supporting seat, so that the fixed roller II has certain elastic expansion capability in the vertical direction, the fixed roller II can roll on the lower side of the air supply pipe in the tunneling process of equipment and can correspondingly change the bearing height of the fixed roller II along with different tunneling depths, a fixed roller I is arranged on the right side of the fixed roller II, the fixed roller I is rotatably connected with the beam through a bearing, and a movable roller is arranged on the left side of the fixed roller II, one end of the movable roller is hinged with the cross beam, the other end of the movable roller is rotatably connected with the bearing sleeve through a bearing, the upper surface of the left end of the cross beam is fixedly connected with a receiving hopper, the right side surface of the receiving hopper is fixedly connected with an extension spring, the other end of the extension spring is fixedly connected with the bearing sleeve, and the movable roller can deflect to a certain angle around a hinged point with the cross beam through the extension elasticity of the extension spring, so that the distance between the movable roller and the first fixed roller can be correspondingly changed along with different tunneling bending degrees while the movable roller can roll on one side of the air supply pipe in the tunneling process of equipment;
connect the inside fixed mounting of hopper to have a mounting bracket, the upper end fixed mounting of mounting bracket has the cylinder, the output fixedly connected with butt joint of cylinder, the intercommunication has the conveying pipe on one side outer wall of butt joint, the conveying pipe is connected with slip casting equipment, support the cylinder through the mounting bracket and fix in connecing the hopper, when the butt joint moves to slip casting pipe position, as the power supply through the cylinder, drive butt joint upward movement, thereby realize the butt joint with the slip casting pipe of top, make conveying pipe and slip casting pipe keep the intercommunication, pour concrete thick liquid into secondary grout cavity along conveying pipe and slip casting pipe through slip casting equipment.
2. The secondary grouting device of claim 1, wherein the bent piece is matched with the radian of the pipe piece.
3. The secondary grouting device of claim 1, wherein a pressure gauge is arranged on the grouting pipe.
4. The secondary grouting device of claim 1, wherein sponge sleeves are sleeved outside the movable roller, the first fixed roller and the second fixed roller.
5. The secondary grouting device of claim 1, wherein outer walls of the front side and the rear side of the receiving hopper are provided with trapezoidal notches.
6. The secondary grouting device of claim 1, wherein the mounting bracket comprises a fixing plate and four supporting leg rods, one end of each of the four supporting leg rods is fixedly connected with the fixing plate, the other end of each of the four supporting leg rods is fixedly connected with the inner wall of the receiving hopper, and a stainless steel net is fixedly connected between the four supporting leg rods.
7. The secondary grouting device of claim 1, wherein the bottom of the receiving hopper is in an inverted cone structure, and a discharge pipe is fixedly inserted in the middle position of the bottom of the receiving hopper.
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| CN202110063395.XA CN112901211B (en) | 2021-01-18 | 2021-01-18 | Secondary grouting device |
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| CN112901211B true CN112901211B (en) | 2021-12-14 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202001023U (en) * | 2011-04-07 | 2011-10-05 | 中铁十一局集团城市轨道工程有限公司 | Improved shield machine grouting pipeline system |
| CN105863656A (en) * | 2016-04-07 | 2016-08-17 | 国家电网公司 | Shield tunneling method |
| CN206129300U (en) * | 2016-09-06 | 2017-04-26 | 中铁六局集团有限公司 | Shield constructs to start uses section of jurisdiction conveyer |
| CN207712043U (en) * | 2018-01-02 | 2018-08-10 | 中国水利水电第八工程局有限公司 | A kind of platform of giving another the right of way that can be crossed |
| CN109469488A (en) * | 2018-07-17 | 2019-03-15 | 国网江苏省电力公司经济技术研究院 | A kind of major diameter slurry shield machine transportation resources for high box culvert synchronous construction |
| CN110566233A (en) * | 2019-09-20 | 2019-12-13 | 成龙建设集团有限公司 | method for duct piece wall post-grouting in shield tunnel construction of full-section hard rock stratum |
| KR102089648B1 (en) * | 2019-08-29 | 2020-03-16 | 주식회사 서하 | Slab construction device |
| CN111173445A (en) * | 2020-01-07 | 2020-05-19 | 中铁十八局集团有限公司 | Drilling is with moving platform truck based on construction of TBM method tunnel |
-
2021
- 2021-01-18 CN CN202110063395.XA patent/CN112901211B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202001023U (en) * | 2011-04-07 | 2011-10-05 | 中铁十一局集团城市轨道工程有限公司 | Improved shield machine grouting pipeline system |
| CN105863656A (en) * | 2016-04-07 | 2016-08-17 | 国家电网公司 | Shield tunneling method |
| CN206129300U (en) * | 2016-09-06 | 2017-04-26 | 中铁六局集团有限公司 | Shield constructs to start uses section of jurisdiction conveyer |
| CN207712043U (en) * | 2018-01-02 | 2018-08-10 | 中国水利水电第八工程局有限公司 | A kind of platform of giving another the right of way that can be crossed |
| CN109469488A (en) * | 2018-07-17 | 2019-03-15 | 国网江苏省电力公司经济技术研究院 | A kind of major diameter slurry shield machine transportation resources for high box culvert synchronous construction |
| KR102089648B1 (en) * | 2019-08-29 | 2020-03-16 | 주식회사 서하 | Slab construction device |
| CN110566233A (en) * | 2019-09-20 | 2019-12-13 | 成龙建设集团有限公司 | method for duct piece wall post-grouting in shield tunnel construction of full-section hard rock stratum |
| CN111173445A (en) * | 2020-01-07 | 2020-05-19 | 中铁十八局集团有限公司 | Drilling is with moving platform truck based on construction of TBM method tunnel |
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