CN114320361B - Lining belt mould grouting system - Google Patents
Lining belt mould grouting system Download PDFInfo
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- CN114320361B CN114320361B CN202111546857.XA CN202111546857A CN114320361B CN 114320361 B CN114320361 B CN 114320361B CN 202111546857 A CN202111546857 A CN 202111546857A CN 114320361 B CN114320361 B CN 114320361B
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Abstract
The utility model relates to a lining belt mould grouting system, which has the technical scheme that the lining belt mould grouting system comprises a lining trolley and a grouting device, wherein the lining trolley comprises a trolley template and a support frame, a plurality of grouting pipes are arranged at the top of the trolley template along the axial direction of the trolley template, a bottom plate which is horizontally arranged is fixed at the lower part of the support frame, a walking rail is fixed on the bottom plate, and the grouting device comprises a frame, a grouting pipe and a vehicle body lifting component; the bottom of the frame is provided with travelling wheels which are in rolling contact with the travelling rails, and the frame is also provided with a servo motor for driving the travelling wheels to rotate; the grouting pipe comprises an upper pipe body and a lower pipe body; the lower pipe body is communicated with the upper pipe body, and a top lifting assembly is arranged at the grouting pipe; the lower end of the lower grouting pipe is provided with a grouting plug which is used for being spliced with the grouting plug; when grouting is carried out on the tunnel lining, manual operation on pipe connection is not needed, the automation degree is high, and the grouting efficiency is high.
Description
Technical Field
The utility model relates to the technical field of tunnel engineering, in particular to a lining belt mould grouting system.
Background
The lining is a structure for covering surrounding rocks around a tunnel in order to control and prevent deformation or slumping of the surrounding rocks, to ensure stability of the surrounding rocks, to treat water burst and water leakage, or to make the interior of the tunnel neat or beautiful in the tunnel. Conventional filling grouting is performed separately after the completion of the secondary lining. Firstly, the frame needs to be built again, personnel work aloft, vehicles and pedestrians are easy to collide, and safety risks are high. Secondly, extra manpower and material resource cost is consumed, and unnecessary expenditure is high; thirdly, the civilization construction is poor, so that secondary pollution in the tunnel is easily caused; fourth, the construction effect is bad, the pre-reserved grouting pipe is often extruded by concrete or blocked, the pipe is difficult to process, the leakage and the few injection occur, and the combination of the post-grouting mortar and the periphery is bad; finally, the hidden quality trouble is large, and new diseases are easy to form, such as easy falling off of the plugging material in the grouting hole. With the innovation and development of tunnel engineering technology, lining belt mould grouting is widely applied gradually, a lining trolley is reformed, a certain number of grouting holes are formed in the center line position of a vault of the lining trolley along the longitudinal direction of the trolley, grouting fixing flanges are installed, an active powder concrete (RPC) grouting pipe is pre-buried before concrete is poured, and grouting is performed from the pre-buried grouting pipe in time before initial setting after concrete pouring is finished.
The prior lining grouting system with a mould can refer to Chinese patent document with an authorized bulletin number of CN213392194U, and discloses a grouting system with a mould for a tunnel lining vault, which comprises a trolley steel mould and an end mould arranged at the end part of the trolley steel mould, wherein the trolley steel mould is provided with at least one row of grouting holes and a pouring opening, a threaded pipe fixer is arranged in each grouting hole, each threaded pipe fixer comprises a threaded sleeve and a bidirectional fixing flange, the threaded sleeve is matched in each grouting hole, and the bidirectional fixing flange is arranged in each threaded sleeve; the end template comprises an upper end mould, a lower end mould and a fixed connecting rod, wherein the lower end mould is arranged on the end face of the trolley steel mould, the upper end mould is connected with the fixed connecting rod, the lower end mould is fixed on the fixed connecting rod, and a buried water stop is arranged between the upper end mould and the lower end mould.
The existing lining belt mould grouting system is characterized in that a grouting device sequentially grouting each grouting pipe arranged on a trolley template, a hose is generally adopted by the grouting device, a flange is arranged at the end of the hose, and the grouting device is connected with the grouting pipe through the flange so as to facilitate movement of the grouting device on the lining trolley. When the grouting device is used for replacing different grouting pipes to perform grouting, workers are required to manually detach and replace the connecting pipelines, and grouting efficiency is low.
Disclosure of Invention
The utility model aims to provide a lining belt mould grouting system which does not need manual operation on pipe connection during grouting of tunnel lining, and has high automation degree and high grouting efficiency.
The technical aim of the utility model is realized by the following technical scheme: the lining belt mould grouting system comprises a lining trolley and a grouting device, wherein the lining trolley comprises a trolley template and a support frame for supporting the trolley template, a plurality of grouting pipes are arranged at the top of the trolley template along the axial direction of the trolley template, a bottom plate which is horizontally arranged is fixed at the lower part of the support frame, a walking track which is longitudinally arranged along the axial direction of the trolley template is fixed at the upper part of the bottom plate, and the grouting device comprises a frame, a grouting pipe arranged on the frame and a vehicle body lifting assembly for driving the grouting pipe to lift in the vertical direction; the bottom of the frame is provided with travelling wheels which are in rolling contact with the travelling rails, and the frame is also provided with a servo motor for driving the travelling wheels to rotate;
the grouting pipe comprises an upper pipe body fixedly connected with the trolley template and a lower pipe body slidingly connected with the upper pipe body along the vertical direction; the lower pipe body is communicated with the upper pipe body, and a top lifting assembly for driving the lower pipe body to lift in the vertical direction is arranged at the grouting pipe;
the lower end of the lower grouting pipe is provided with a grouting plug, and the upper end of the grouting pipe is provided with a grouting plug for being spliced with the grouting plug.
Through the technical scheme, the travelling wheels are driven by the servo motor to rotate, so that the grouting device is controlled to travel along the length direction of the travelling rail; when the grouting pipe is moved to the position corresponding to the grouting pipe, the top lifting component drives the lower pipe body to move downwards, the vehicle body lifting component drives the grouting pipe to move upwards, and then the grouting plug is inserted into the grouting plug at the current position, so that lining grouting operation is performed; after the grouting operation at the current position is completed, the vehicle body lifting assembly drives the grouting pipe to move downwards, the grouting pipe is reset to the initial position, the top lifting assembly drives the lower pipe body to move upwards, the grouting pipe is reset to the initial position, and then the grouting device continues to move forwards to perform grouting on the next grouting pipe; the scheme is when grouting tunnel lining, does not need the manual operation of manual work to the pipeline connection, and degree of automation is high, and grouting efficiency is high.
Preferably, a one-way valve for controlling grouting fluid to pass through from bottom to top in one way is arranged in the grouting plug; when the grouting pressure is larger than the set pressure, the one-way valve is opened, and when the grouting pressure is smaller than the set pressure, the one-way valve is closed.
According to the technical scheme, the ball valve is arranged at the traditional grouting pipe, and the on-off control of the grouting pipe is finished by operating the ball valve; by arranging the one-way valve in the grouting plug, when the grouting plug is inserted into the grouting plug for grouting, the one-way valve is opened under the pressure of concrete slurry; after the grouting operation is completed, the pressure of the concrete slurry injected by the grouting pipe disappears, and then the one-way valve cuts off the passage of the grouting pipe; according to the scheme, the pressure of injected concrete slurry is used as a control threshold value, the one-way valve is used for controlling the on-off of the grouting pipe, and compared with the traditional ball valve control, the grouting pipe is more convenient and efficient.
Preferably, the one-way valve comprises a positioning pore plate, an elastic hydraulic cylinder, a conical plug and a sealing plate; the positioning pore plate and the sealing plate are fixedly connected with the inner wall of the grouting plug respectively; the elastic hydraulic cylinder comprises a cylinder body and a cylinder rod which is in sliding connection with the cylinder body along the axial direction of the cylinder body, hydraulic oil is stored in the cylinder body in a sealing manner, a return spring is arranged in the cylinder body, and two ends of the return spring are respectively abutted with the end part of the cylinder body and the end part of the cylinder rod; the taper plug is fixed at the end part of the cylinder rod, and the sealing plate is provided with a taper hole matched with the taper plug.
According to the technical scheme, when grouting operation is carried out, the reset spring in the cylinder body of the elastic hydraulic cylinder is compressed, so that the cylinder rod drives the taper plug to be separated from the taper hole, concrete slurry enters from a gap between the taper plug and the taper hole, and then enters into the grouting pipe through the positioning hole plate; after the grouting operation is finished, the conical plug is inserted into the conical hole under the action force of the reset spring, and the grouting plug is sealed; the return spring is sealed in the cylinder body, is not corroded by concrete mud during working, and limits the stroke of the cylinder rod of the elastic liquid cylinder by arranging hydraulic oil in the cylinder body, so that the return spring is protected, and the return spring is not easy to damage.
Preferably, the end part of the grouting plug is provided with an inserting conical surface, a sealing conical surface matched with the inserting conical surface is arranged inside the grouting plug, and a sealing rubber layer is fixed on the sealing conical surface.
Through above-mentioned technical scheme, through setting up grafting conical surface and sealing conical surface, when the slip casting plug inserts in the slip casting spigot, sealing rubber layer on the sealing conical surface receives the oppression, and inseparable laminating is in the grafting conical surface to can be good carry out the connection seal to slip casting plug and slip casting spigot.
Preferably, the grouting plug is further provided with a transition conical surface inside, the transition conical surface is located at the upper part of the sealing conical surface, and the taper direction is opposite to that of the sealing conical surface.
Through above-mentioned technical scheme, through setting up the transition conical surface opposite with sealing conical surface tapering orientation on sealing conical surface upper portion, and then can make the concrete slurry pump in the slip casting plug go into in the slip casting spigot of convenient efficient.
Preferably, an upper sealing disc is fixed on the peripheral surface of the grouting plug, a lower sealing disc is fixed on the peripheral surface of the grouting plug, and an annular concave-convex sealing structure is arranged between the upper sealing disc and the lower sealing disc.
Through above-mentioned technical scheme, through the comprehensive setting of upper portion sealing disk and lower part sealing disk, when the slip casting plug inserts in the slip casting spigot, upper portion sealing disk and lower part sealing disk butt are through setting up the unsmooth seal structure of annular between upper portion sealing disk and the lower part sealing disk to when carrying out the slip casting operation, prevent that concrete slurry from leaking from the hookup location of slip casting plug and slip casting spigot.
Preferably, the vehicle body lifting component comprises a positioning ring which is axially and vertically arranged and a vehicle body electric push rod which is used for driving the slurry pumping pipe to lift in the vertical direction, and the slurry pumping pipe passes through the positioning ring.
Through above-mentioned technical scheme, fix a position the pumping pipe through the holding ring, make pumping pipe keep vertical state, and then drive pumping pipe through automobile body electric push rod, make pumping pipe at vertical direction motion, convenient operation.
Preferably, the lower pipe body is sleeved with the upper pipe body, and the top lifting assembly comprises a connecting block fixedly connected with the lower pipe body and a top electric push rod for driving the connecting block to lift in the vertical direction.
Through above-mentioned technical scheme, lower part body cup joints with upper portion body, and then through top electric putter drive connecting block, and then drive lower part body and go up and down in vertical direction, high-efficient swift.
Preferably, the walking rail is provided with a plurality of groups of positioning components for positioning the grouting device along the length direction of the walking rail; the positioning assembly comprises a positioning block and a positioning cylinder for driving the positioning block to be close to or far away from the walking track.
Through above-mentioned technical scheme, through setting up a plurality of groups of locating component along walking track length direction, and then when the slip casting device walks on the track, further carry out mechanical positioning through locating component to reinforcing slip casting device parks the reliability of location.
Preferably, a belt transmission line with a transmission direction along the axis direction of the trolley template is arranged on the support frame at the lower part of the bottom plate; the bottom plate is provided with a plurality of material openings, and sealing cover plates for sealing the material openings are arranged at the material openings.
According to the technical scheme, when the supporting distance of the lining trolley is longer, the material is very inconvenient to supplement through the transportation means to enter and exit the tunnel; through setting up the belt transmission line in the below of bottom plate, and then utilize the belt transmission line to carry out material transmission to the tunnel inside, and do not influence the staff and advance at the normal work in tunnel, use and convenient operation.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.
Fig. 1 is a schematic structural view of a lining belt mold grouting system.
Fig. 2 is a schematic diagram showing the position distribution of the grouting pipe in the tunnel body.
Fig. 3 is a schematic structural view of the grouting device.
Fig. 4 is a partial enlarged view of a in fig. 1.
Fig. 5 is a partial enlarged view of B in fig. 2.
Fig. 6 is a partial enlarged view of C in fig. 2.
Fig. 7 is a schematic diagram showing the structure of a grouting plug and a grouting plug.
Fig. 8 is a schematic diagram showing the structure of an elastic hydraulic cylinder.
1, lining a trolley; 11. a trolley template; 12. a support frame; 2. a grouting device; 21. a frame; 22. a slurry pumping pipe; 221. inserting a conical surface; 222. a lower sealing plate; 223. an annular sealing protrusion; 23. a storage bin; 24. a walking wheel; 25. a servo motor; 26. a positioning ring; 27. electric push rod of car body; 3. grouting pipe; 31. an upper tube body; 32. a lower pipe body; 33. sealing the conical surface; 34. a sealing rubber layer; 35. a transitional conical surface; 36. an upper sealing plate; 361. an annular seal groove; 4. a bottom plate; 41. a walking rail; 42. a material port; 43. sealing the cover plate; 5. a belt transmission line; 6. a positioning assembly; 61. positioning a cylinder; 62. a positioning block; 63. a photoelectric detection switch; 7. a one-way valve; 71. a positioning hole plate; 72. an elastic hydraulic cylinder; 721. a cylinder; 722. a cylinder rod; 723. a return spring; 724. hydraulic oil; 73. a conical plug; 74. a sealing plate; 75. taper holes; 8. a top lift assembly; 81. a top electric push rod; 82. and (5) connecting a block.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings. Wherein like parts are designated by like reference numerals. It should be noted that the words "front", "back", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "bottom" and "top", "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
Examples:
a lining belt mould grouting system, referring to fig. 1 and 2, comprises a lining trolley 1 and a grouting device 2. The lining trolley 1 includes a trolley form 11 and a support frame 12 for supporting the trolley form 11. The trolley template 11 is arched matched with the cross section shape of the tunnel, a plurality of grouting pipes 3 are arranged at the top of the trolley template 11 along the axial direction of the trolley template, and the grouting pipes 3 penetrate through the trolley template 11. The bottom of the support frame 12 is provided with a bottom plate 4 which is horizontally arranged, and the bottom plate 4 is fixedly connected with the support frame 12. The traveling rail 41 axially arranged along the trolley template 11 in the length direction is fixed on the upper portion of the bottom plate 4, and the traveling rail 41 is used for the grouting device 2 to travel on the bottom plate 4, so that grouting construction is performed on the lining belt through each grouting pipe 3 in sequence.
Referring to fig. 3 and 4, the grouting device 2 includes a frame 21, a grouting pipe 22 provided on the frame 21, and a vehicle body lifting assembly driving the grouting pipe 22 to lift in a vertical direction. The frame 21 is provided with a storage box 23 and a slurry pump, the storage box 23 is used for storing concrete slurry, the slurry pump is used for pumping the concrete slurry in the storage box 23 into a slurry pumping pipe 22, and the slurry pumping pipe 22 is connected with the slurry pump through a hose.
Referring to fig. 3 and 4, the bottom of the frame 21 is provided with traveling wheels 24 for rolling contact with the traveling rails 41, two ends of the bottom of the frame 21 are respectively provided with axles rotatably connected with the frame 21, the traveling wheels 24 are fixed at two ends of the axles, and the two axles are connected through a belt transmission assembly. The frame 21 is provided with a servo motor 25, a machine body of the servo motor 25 is fixedly connected with the frame 21, and an output shaft of the servo motor 25 is connected with one of the axles through a reversing coupler. The axle is driven to rotate by the servo motor 25, and the travelling wheel 24 is driven to roll on the travelling rail 41, so that the grouting device 2 can be efficiently driven to travel. The servo motor 25 is controlled by a PLC for grouting control, and the coordinate system of the lining trolley 1 is stored through the PLC, so that the accurate positioning of the grouting device 2 can be realized by controlling the servo motor 25.
Referring to fig. 3 and 4, the vehicle body lifting assembly includes a positioning ring 26 disposed vertically in the axial direction and a vehicle body electric push rod 27 for driving the pulp pumping pipe 22 to lift in the vertical direction, the pulp pumping pipe 22 passing through the positioning ring 26. The end of the grouting pipe 22 is provided with a grouting plug for being connected with the grouting plug in a plugging manner. The positioning ring 26 is axially provided with a plurality of support rods, and the positioning ring 26 is supported by the support rods, so that the positioning ring 26 is kept above the frame 21. The rod body of the electric push rod 27 of the vehicle body is fixedly connected with the vehicle frame 21, the piston rod of the electric push rod 27 of the vehicle body is fixedly connected with the grouting pipe 22, the piston rod of the electric push rod 27 of the vehicle body stretches and contracts, and the grouting pipe 22 is positioned through the positioning ring 26, so that the grouting pipe 22 is driven to move in the vertical direction.
Referring to fig. 3 and 4, the traveling rail 41 is provided with several sets of positioning assemblies 6 for positioning the grouting device 2 along its length direction. The positioning assembly 6 includes a positioning block 62 and a positioning cylinder 61 that drives the positioning block 62 toward or away from the travel rail 41. The positioning cylinder 61 is located outside the travel rail 41, and a piston rod of the positioning cylinder 61 faces the travel rail 41, and the positioning block 62 is fixed to a piston rod end of the positioning cylinder 61. The cylinder 721 of the positioning cylinder 61 is fixed to the base plate 4. When the grouting device 2 advances to be close to the corresponding grouting pipe 3, the piston rod of the positioning cylinder 61 stretches, the positioning block 62 moves to the position of the walking track 41, and the positioning block 62 is used for limiting the grouting device 2, so that the positioning of the grouting device 2 is more reliable. After the grouting device 2 finishes grouting operation on the current grouting pipe 3, the piston rod of the positioning cylinder 61 is contracted, so that the positioning block 62 is far away from the walking track 41, and the grouting device 2 can continue to move forward. The walking track 41 one side still is provided with a plurality of groups of photoelectric detection switches 63 that are used for detecting grouting device 2, after photoelectric detection switch 63 detects grouting device 2, sends detection information to PLC, and then PLC control servo motor 25 brake to trigger the piston rod extension of positioning cylinder 61, utilize locating piece 62 to carry out spacing to grouting device 2, thereby form closed-loop control, make the entire system have better stability.
Referring to fig. 2 and 5, a belt transmission line 5 having a transmission direction along the axis direction of the trolley form 11 is provided on a support frame 12 at the lower portion of the base plate 4; the bottom plate 4 is provided with a plurality of material openings 41, and sealing cover plates 42 for sealing the material openings 41 are arranged at the material openings 41. The belt transmission line 5 is used for transmitting materials, and then the sealing cover plate 42 is opened to take out the transmission objects from the material port 41 at the corresponding position, so that the operation is convenient and efficient when workers work in the lining trolley 1.
Referring to fig. 2 and 6, the grouting pipe 3 includes an upper pipe body 31 and a lower pipe body 32. The upper pipe body 31 is vertically fixed on the trolley form 11, the lower pipe body 32 is sleeved with the upper pipe body 31, and the lower pipe body 32 is slidably connected with the upper pipe body 31 along the axial direction of the upper pipe body 31. The grouting pipe 3 is provided with a top lifting assembly for driving the lower pipe body 32 to move up and down in the vertical direction. The top lift assembly 8 includes a connection block 82 fixedly connected with the lower pipe body 32, and a top electric push rod 81 driving the connection block 82 to lift in a vertical direction. The piston rod of top electric putter 81 is vertical down, and top electric putter's body of rod and platform truck template 11 fixed connection, top electric putter 81's piston rod and connecting block 82 fixed connection, and the piston rod through top electric putter 81 stretches out and draws back, and then drives lower body of pipe 32 and slide along upper portion body of pipe 31 to adjust the overall length of slip casting pipe 3.
When the grouting device 2 moves to a position corresponding to the grouting pipe 3, the top electric push rod 81 drives the lower pipe body 32 to move downwards, and the grouting pipe 3 is further used for extending. The electric pushing rod 27 of the vehicle body drives the grouting pipe 22 to move upwards, so that a grouting plug of the grouting pipe 22 is inserted into the grouting plug, and concrete slurry is pumped into the grouting pipe 3. After the grouting operation of the current grouting pipe 3 is completed, the lower pipe body 32 is lifted to the initial position, the grouting pipe 22 is lowered to the initial position, the grouting device 2 further moves forward along the traveling rail 41, and the grouting operation is continued until the position of the next grouting pipe 3.
Referring to fig. 7, an insertion taper surface 221 is provided at an end of the grouting plug, a sealing taper surface 33 is provided inside the grouting plug to be matched with the insertion taper surface 221, and a sealing rubber layer 34 is fixed on the sealing taper surface 33. The grouting plug is also internally provided with a transitional conical surface 35, the transitional conical surface 35 is positioned on the upper part of the sealing conical surface 33, and the taper direction is opposite to that of the sealing conical surface 33. When the grouting plug is inserted into the grouting plug, the sealing rubber layer 34 on the sealing conical surface 33 is tightly attached to the inserting conical surface 221, so that the grouting plug and the grouting plug can be tightly connected, and concrete slurry is not easy to leak from the joint of the grouting plug and the grouting plug.
Referring to fig. 7, an upper sealing plate 36 is fixed to the circumferential surface of the grouting plug, a lower sealing plate 222 is fixed to the circumferential surface of the grouting plug, and an annular concave-convex sealing structure is provided between the upper sealing plate 36 and the lower sealing plate 222. The annular concave-convex sealing structure includes an annular sealing groove 361 provided on the lower surface of the upper sealing disk 36 and an annular sealing projection 223 provided on the upper surface of the lower sealing disk 222. When the grouting plug is inserted into the grouting plug nozzle, the lower sealing disc 222 abuts against the upper sealing disc 36, and the annular sealing protrusion 223 is inserted into the annular sealing groove 361. The sealing of the connection between the grouting plug and the grouting spigot is further enhanced by the cooperation of the upper sealing disk 36 and the lower sealing disk 222.
Referring to fig. 7 and 8, a check valve 7 for controlling the unidirectional passage of grouting fluid is provided inside the grouting plug. The check valve 7 includes a positioning orifice plate 71, an elastic hydraulic cylinder 72, a conical plug 73, and a sealing plate 74. The positioning hole plate 71 and the sealing plate 74 are fixedly connected with the inner wall of the grouting plug respectively. The elastic hydraulic cylinder 72 includes a cylinder body 721 and a cylinder rod 722 slidably connected to the cylinder body 721 in the axial direction of the cylinder body 721, a hydraulic oil 724 is sealingly stored in the cylinder body 721, a return spring 723 is provided in the cylinder body 721, and both ends of the return spring 723 are respectively abutted against the end of the cylinder body 721 and the end of the cylinder rod 722; the tapered plug 73 is fixed to the end of the cylinder rod 722, and the sealing plate 74 is provided with a tapered hole 75 for cooperation with the tapered plug 73. When grouting is not performed, the cylinder rod 722 of the elastic hydraulic cylinder 72 is in an extended state under the action of the return spring 723, and the tapered plug 73 seals the tapered hole 75 in the sealing plate 74, so that external fluid cannot enter the grouting pipe 3 through the tapered hole 75. When the grouting plug is inserted into the grouting nozzle for grouting operation, the reset spring 723 is compressed under the pressure of concrete slurry, the cylinder rod 722 is in a contracted state, and the taper plug 73 is separated from the taper hole 75, so that the concrete slurry enters the grouting pipe 3 from the gap between the taper hole 75 and the taper plug 73. The conventional grouting pipe 3 is generally controlled by a ball valve, and when grouting operation is performed, the ball valve is opened, and after grouting operation is completed, the ball valve is closed. In this scheme, control the break-make of slip casting pipe 3 through check valve 7, the pressure of the concrete mud makes check valve 7 open by oneself during the slip casting, convenient operation. The return spring 723 of the check valve 7 is sealed in the cylinder 721 and is not easily damaged by corrosion of the concrete slurry during use. And by providing the hydraulic oil 724 in the cylinder 721, the stroke of the piston rod is limited by the hydraulic oil 724, thereby avoiding the return spring 723 from being damaged by excessive compression.
While certain specific embodiments of the utility model have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.
Claims (6)
1. The utility model provides a lining belt mould grouting system, includes lining platform truck (1) and grouting device (2), lining platform truck (1) include platform truck template (11) and are used for carrying out support frame (12) that support to platform truck template (11), the top of platform truck template (11) is provided with a plurality of slip casting pipe (3) along its axial, its characterized in that: the lower part of the supporting frame (12) is fixedly provided with a bottom plate (4) which is horizontally arranged, the upper part of the bottom plate (4) is fixedly provided with a traveling rail (41) which is axially arranged along the trolley template (11) along the length direction, and the grouting device (2) comprises a frame (21), a grouting pipe (22) arranged on the frame (21) and a vehicle body lifting assembly which drives the grouting pipe (22) to lift in the vertical direction; the bottom of the frame (21) is provided with a travelling wheel (24) which is in rolling contact with a travelling rail (41), and the frame (21) is also provided with a servo motor (25) which is used for driving the travelling wheel (24) to rotate;
the grouting pipe (3) comprises an upper pipe body (31) fixedly connected with the trolley template (11) and a lower pipe body (32) slidingly connected with the upper pipe body (31) along the vertical direction; the lower pipe body (32) is communicated with the upper pipe body (31), and a top lifting assembly (8) for driving the lower pipe body (32) to lift in the vertical direction is arranged at the grouting pipe (3);
the lower end of the lower grouting pipe (3) is provided with a grouting plug which is used for being spliced with the grouting plug;
a one-way valve (7) for controlling grouting fluid to pass through in a one-way from bottom to top is arranged in the grouting plug; when the grouting pressure is higher than the set pressure, the one-way valve (7) is opened, and when the grouting pressure is lower than the set pressure, the one-way valve (7) is closed; the one-way valve (7) comprises a positioning hole plate (71), an elastic hydraulic cylinder (72), a conical plug (73) and a sealing plate (74); the positioning hole plate (71) and the sealing plate (74) are fixedly connected with the inner wall of the grouting plug respectively; the elastic hydraulic cylinder (72) comprises a cylinder body (721) and a cylinder rod (722) which is connected with the cylinder body (721) in a sliding manner along the axial direction of the cylinder body (721), hydraulic oil (724) is stored in the cylinder body (721) in a sealing manner, a return spring (723) is arranged in the cylinder body (721), and two ends of the return spring (723) are respectively abutted with the end part of the cylinder body (721) and the end part of the cylinder rod (722);
the conical plug (73) is fixed at the end part of the cylinder rod (722), and the sealing plate (74) is provided with a conical hole (75) matched with the conical plug (73);
the end part of the grouting plug is provided with an inserting conical surface (221), a sealing conical surface (33) matched with the inserting conical surface (221) is arranged in the grouting plug, and a sealing rubber layer (34) is fixed on the sealing conical surface (33); the grouting plug is internally provided with a transition conical surface (35), the transition conical surface (35) is positioned on the upper part of the sealing conical surface (33), and the taper direction is opposite to that of the sealing conical surface (33).
2. A lining strip mould grouting system as claimed in claim 1, wherein: an upper sealing disc (36) is fixed on the peripheral surface of the grouting plug, a lower sealing disc (222) is fixed on the peripheral surface of the grouting plug, and an annular concave-convex sealing structure is arranged between the upper sealing disc (36) and the lower sealing disc (222).
3. A lining strip mould grouting system as claimed in claim 1, wherein: the vehicle body lifting assembly comprises a positioning ring (26) which is axially and vertically arranged, and a vehicle body electric push rod (27) which is used for driving the grouting pipe (22) to lift in the vertical direction, wherein the grouting pipe (22) passes through the positioning ring (26).
4. A lining strip mould grouting system as claimed in claim 1, wherein: the lower pipe body (32) is sleeved with the upper pipe body (31), and the top lifting assembly (8) comprises a connecting block (82) fixedly connected with the lower pipe body (32) and a top electric push rod (81) for driving the connecting block (82) to lift in the vertical direction.
5. A lining strip mould grouting system as claimed in claim 1, wherein: the walking rail (41) is provided with a plurality of groups of positioning assemblies (6) for positioning the grouting device (2) along the length direction; the positioning assembly (6) comprises a positioning block (62) and a positioning cylinder (61) for driving the positioning block (62) to be close to or far away from the walking track (41).
6. A lining strip mould grouting system as claimed in any one of claims 1 to 5 wherein: a belt transmission line (5) with a transmission direction along the axis direction of the trolley template (11) is arranged on a support frame (12) at the lower part of the bottom plate (4); a plurality of material openings (42) are formed in the bottom plate (4), and sealing cover plates (43) used for sealing the material openings (42) are arranged at the material openings (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111546857.XA CN114320361B (en) | 2021-12-16 | 2021-12-16 | Lining belt mould grouting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111546857.XA CN114320361B (en) | 2021-12-16 | 2021-12-16 | Lining belt mould grouting system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114320361A CN114320361A (en) | 2022-04-12 |
| CN114320361B true CN114320361B (en) | 2023-10-20 |
Family
ID=81053302
Family Applications (1)
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