CN113622428B - Grouting filling device for goaf of expressway and construction method thereof - Google Patents

Grouting filling device for goaf of expressway and construction method thereof Download PDF

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Publication number
CN113622428B
CN113622428B CN202110734842.XA CN202110734842A CN113622428B CN 113622428 B CN113622428 B CN 113622428B CN 202110734842 A CN202110734842 A CN 202110734842A CN 113622428 B CN113622428 B CN 113622428B
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China
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wall
grouting
welded
fixing
goaf
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CN202110734842.XA
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CN113622428A (en
Inventor
王能永
徐建
沈杰
宋思汗
熊兴旺
朱婷
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China Coal Hubei Geological Survey Foundation Engineering Co ltd
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China Coal Hubei Geological Survey Foundation Engineering Co ltd
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D15/00—Handling building or like materials for hydraulic engineering or foundations
    • E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C3/00—Foundations for pavings
    • E01C3/04—Foundations produced by soil stabilisation
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D19/00—Keeping dry foundation sites or other areas in the ground
    • E02D19/06—Restraining of underground water
    • E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
    • E02D19/16—Restraining of underground water by damming or interrupting the passage of underground water by placing or applying sealing substances
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2250/00—Production methods
    • E02D2250/003—Injection of material

Abstract

The invention discloses a grouting filling device for a goaf of a highway, which relates to the field of grouting filling and aims at solving the problems of easy ground collapse and low safety in the background art. The device can increase the drilling depth quickly, can support the whole device, prevents the device from inclining, improves the stability, has lighter whole weight, improves the safety, can prevent pipelines from shaking during grouting, avoids slurry waste, can be rolled neatly, can conveniently roll cables, and improves the rolling efficiency and the practicability.

Description

Grouting filling device for goaf of expressway and construction method thereof
Technical Field
The invention relates to the technical field of grouting filling, in particular to a grouting filling device for a goaf of a highway and a construction method thereof.
Background
The goaf is a 'cavity' generated under the ground surface by artificial excavation or natural geological motion, the safety production of mines faces a great safety problem due to the existence of the goaf, personnel and mechanical equipment can fall into the goaf to be damaged, the goaf is managed by a caving method, a filling method and a sealing treatment, the ground surface of the goaf with an open-air stope or buildings is absolutely not allowed to collapse in a large area, so the goaf cannot be treated by the caving method, the goaf is reinforced by an anchor rope or an anchor rod, only a temporary measure is taken, the potential safety hazard caused by the goaf is thoroughly eliminated, and a feasible method is 'filling', the method is to use barren rocks stripped from the ground surface, underground mining barren rocks or ore dressing tailings as main filling aggregates, and fill the filling materials to the underground goaf by gravity flow (or pressurization) through holes, raise wells or filling pipelines of the goaf, supporting the surrounding rock with the filler material may slow or stop the deformation of the surrounding rock to keep it relatively stable.
In the construction process of the highway, a goaf exists underground, and the ground above the goaf is the highway, so that the goaf needs to be filled by a grouting filling method, and accidents in the later period are avoided.
When carrying out the slip casting to the collecting space area and filling, because the existence in collecting space area leads to collecting space area top can't arrange a large amount of heavy machinery and carry out the slip casting and handle, simultaneously, when a plurality of operating personnel carried out the operation in the ground top in collecting space area, need notice to take precautions against the ground and sink, the security is low, and the practicality is low.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a grouting filling device for a goaf of a highway and a construction method thereof.
The invention provides a grouting filling device for a goaf of a highway, which comprises a base, wherein a drilling mechanism is arranged above the base, the drilling mechanism comprises four support rods welded on the outer walls of the four corners of the top of the base respectively, a top plate welded on the outer walls of the top ends of the four support rods respectively at the four corners of the bottom, hydraulic cylinders connected to the outer walls of the top plate through bolts, fixed plates sleeved on the outer walls of the four support rods respectively at the four corners of the top, mounting plates arranged on the outer walls of the four support rods in a sliding manner at the four corners of the top, connecting frames welded on the outer walls of the top of the mounting plates, a first motor connected to the outer walls of the top of the mounting plates through bolts and a connecting assembly, the connecting assembly comprises a connecting pipe, a fixed column welded on the outer wall of the top of the connecting pipe and provided with a regular hexagon fixed slot, a fixed column welded on the outer wall of the top of the connecting pipe, a drilling mechanism is arranged on the connecting assembly, and a drilling mechanism is arranged on the outer wall of the connecting assembly, The automatic drilling machine is characterized in that the automatic drilling machine comprises a conveying pipe, a fixing ring, a sleeve, a connecting column and a packing auger, wherein the conveying pipe is screwed on the outer wall of the center of the top of the base, the fixing ring is sleeved on the outer wall of the upper portion of the conveying pipe, the drill pipe is sleeved in the conveying pipe, the connecting column is welded on the outer wall of the top of the drill pipe, and the packing auger is welded on the outer wall of the drill pipe Connect in the rotation axis on the outer wall of fixing base one side, cup joint driving gear and two on the rotation axis outer wall respectively the spiro union in the extrusion piece on two-way screw rod both ends outer walls through the bearing, overlap joint has the bottom plate on the outer wall of base top one end, all open the fixed mouthful of symmetric distribution on base and the outer wall of bottom plate top, and all overlap in two fixed mouthful and be equipped with the bolt, the welding has the installation piece on the outer wall of bottom plate bottom one end, and the welding has two fixed blocks, two on the outer wall of one side of installation piece bottom all the spiro union has the lead screw on the outer wall of fixed block top, the welding has two connecting blocks on the one end outer wall of installation piece is kept away from to the bottom plate bottom, and all opened the socket on the one end outer wall at two connecting block tops, the bottom plate top is equipped with winding mechanism, winding mechanism includes two first mount pads welded respectively on the outer wall of bottom plate top, Connect reciprocal lead screw, spiro union on reciprocal lead screw outer wall on one side outer wall of first mount pad through the bearing, weld the slider of "T" shape structure on slide bottom outer wall, weld the threading piece on slide top outer wall, weld the second mount pad on the one end outer wall of keeping away from first mount pad at the bottom plate top, connect wind-up roll and two spacing rings of cup jointing respectively on the wind-up roll outer wall on the outer wall of second mount pad one side through the bearing, there is the second motor through bolted connection on the outer wall of bottom plate top one end.
Preferably, equal fixedly connected with area on the four corners outer wall of base bottom is stopped the universal wheel, and the welding has the handle on the outer wall of base one side, has cup jointed the rubber circle on the handle outer wall.
Preferably, the four corners outer wall at fixed plate top all opens the through-hole, and four bracing pieces cup joint respectively in four through-holes, it has the installing port to open on the center department outer wall at fixed plate top, and hydraulic cylinder cup joints in the installing port, all open the passageway on the four corners outer wall at installing plate top, and open on the center department outer wall at installing plate top has the mounting hole, first motor output shaft passes through the bearing and connects in the mounting hole, hydraulic cylinder piston rod bottom passes through bolted connection on the center department outer wall at link top.
Preferably, a clamping groove with a regular hexagon structure is formed in the outer wall of the bottom end of the first motor output shaft, the fixing column is inserted into the clamping groove, the connecting column is inserted into the fixing groove, bolts are screwed on the outer walls of the lower portions of the first motor output shaft and the connecting tube, and the two bolts are respectively in fastening fit with the fixing column and the connecting column.
Preferably, the telescopic link includes that sleeve pipe and slip cap locate the connecting rod in the sleeve pipe, and the spiro union has fastening bolt on the sleeve pipe outer wall, and fastening bolt and connecting rod form the fastening cooperation, fixedly connected with slipmat on the outer wall of supporting seat bottom, and be equipped with the non-slip raised that the equidistance distributes on the slipmat bottom outer wall.
Preferably, two-way screw rod one end is connected on one side outer wall of fixing base through the bearing respectively, the driving gear forms transmission fit with two driven gear intermeshing respectively, and the welding has the handle on the outer wall of driving gear one side, two all open the recess of semicircular structure on the outer wall of the relative one side of extrusion piece, and equal fixedly connected with rubber layer on one side inner wall of two recesses.
Preferably, two all the welding has the carousel on the lead screw top outer wall, and all the welding has anti-skidding handle, two on two carousel top outer walls all the welding has the dead lever on the outer wall of connecting block bottom, and is connected with the universal wheel through the bearing on two dead lever bottom outer walls.
Preferably, the spout that has "T" shape structure is opened on the outer wall of bottom plate top, and slider slidable mounting is in the spout, reciprocal lead screw one end is passed through the bearing and is connected on first mount pad outer wall on one side, and wind-up roll one end is passed through the bearing and is connected on second mount pad outer wall on one side, all cup jointed driven pulley on reciprocal lead screw and the wind-up roll one end outer wall, and second motor output shaft one end has cup jointed the belt pulley, and the belt pulley passes through the belt and forms the transmission cooperation with the driven pulley of wind-up roll one end, and two driven pulley pass through the belt and form the transmission cooperation.
A construction method for grouting and filling in a goaf of a highway comprises the following steps:
s1: drilling a grouting hole and a curtain hole on the ground surface, and drilling with clean water when the grouting hole and the curtain hole are drilled to a crack zone or an caving zone;
s2: after drilling, pouring a grouting pipe into the grouting hole and the curtain hole, flushing the grouting pipe with clear water at a flushing pressure of 0.8-1MPa for 8-10min, and stopping flushing when the water leakage is more than 100L/min;
s3: injecting the slurry into the grouting pipe by using a grouting pump and an intermittent grouting method, flushing the grouting pipe by using clear water before intermittent grouting, wherein the flushing pressure is 0.8-1MPa, the flushing time is 10-25min, and the grouting can be finished when the pump capacity is less than 70L/min and the orifice pressure is 1.0-1.5 MPa.
The beneficial effects of the invention are as follows:
1. the drilling device is provided with the drilling mechanism and the connecting assembly, when the ground is drilled, the conveying pipe is rotated anticlockwise, the bottom end of the conveying pipe is in contact with the ground, the drill rod is connected with an output shaft of the first motor through the connecting pipe, the first motor is started, drilling can be carried out, the connecting rod is added again, the drilling depth can be increased rapidly, convenience is improved, the four supporting mechanisms are arranged, the whole device can be supported during drilling, the device is prevented from being inclined, stability is improved, the whole weight of the device is light, and safety is improved;
2. the fixing mechanism is arranged, after drilling is completed, the connecting pipe and the drill rod are taken down, the bottom end of the pipeline of the grouting pump is placed in the conveying pipe, the driving gear is rotated anticlockwise, the driving gear drives the two driven gears to rotate, and further drives the two bidirectional screws to rotate, the two bidirectional screws drive the two extrusion blocks to move in opposite directions, and further the pipeline of the grouting pump is fixed, so that the pipeline can be prevented from shaking during grouting, and slurry waste is avoided;
3. be provided with winding mechanism, take off the bottom plate and break away from the base, put the bottom plate in being close to power department, pass two connecting blocks and insert in soil with two bolts, two lead screws of anticlockwise rotation simultaneously, make the lead screw bottom creep into underground, and then fix winding mechanism, stimulate the bottom plate this moment, can be convenient expand the cable, start the second motor, second motor output shaft rotates and drives the wind-up roll and rotate, and then carry out the rolling to the cable, and simultaneously, under reciprocating screw's effect, the slide carries out reciprocating motion, make the cable when carrying out the rolling, can the rolling neatly more, can be convenient carry out the rolling to the cable, rolling efficiency and practicality have been improved.
Drawings
FIG. 1 is a schematic view of a front perspective structure of a grouting filling device for a goaf of an expressway and a construction method thereof, which are provided by the invention;
FIG. 2 is a schematic side-view three-dimensional structure diagram of a grouting filling device for a goaf of a highway and a construction method thereof, which are provided by the invention;
FIG. 3 is a schematic perspective view of a fixing mechanism of the grouting filling device for the goaf of the highway and the construction method thereof according to the present invention;
FIG. 4 is a schematic perspective structural view of a connecting pipe of the grouting filling device for the goaf of the highway and the construction method thereof provided by the invention;
FIG. 5 is a schematic view of a drill rod section three-dimensional structure of the grouting filling device for the goaf of the highway and the construction method thereof provided by the invention;
FIG. 6 is a schematic front perspective view of a rolling mechanism of the grouting filling device for the goaf of the highway and the construction method thereof;
FIG. 7 is a schematic bottom perspective view of a winding mechanism of the grouting filling device for the goaf of the highway and the construction method thereof provided by the invention;
FIG. 8 is an enlarged schematic view of the structure at A in FIG. 6 according to the present invention;
fig. 9 is a schematic perspective view of a supporting mechanism of the grouting and filling device for the goaf of the highway and the construction method thereof when the supporting mechanism is opened;
fig. 10 is a schematic perspective view of a winding mechanism of the grouting filling device for the goaf of the expressway and the construction method thereof when the winding mechanism is fixed.
In the figure: the device comprises a base 1, a supporting rod 2, a top plate 3, a hydraulic oil cylinder 4, a fixing plate 5, a mounting plate 6, a connecting frame 7, a first motor 8, a connecting pipe 9, a fixing column 10, a material conveying pipe 11, a fixing ring 12, a drill rod 13, a connecting column 14, a packing auger 15, a sleeve plate 16, a connecting plate 17, an expansion rod 18, a supporting seat 19, a fixing seat 20, a bidirectional screw 21, a driven gear 22, a rotating shaft 23, a driving gear 24, an extrusion block 25, a bottom plate 26, a plug pin 27, a mounting block 28, a fixing block 29, a lead screw 30, a connecting block 31, a first mounting seat 32, a reciprocating lead screw 33, a sliding plate 34, a sliding block 35, a threading block 36, a second mounting seat 37, a winding roller 38, a limiting ring 39 and a second motor 40.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Embodiment 1, referring to fig. 1 to 10, a grouting filling device for a goaf of a highway comprises a base 1, universal wheels with brakes are fixedly connected to the outer walls of four corners of the bottom of the base 1, a handle is welded to the outer wall of one side of the base 1, a rubber ring is sleeved on the outer wall of the handle, a drilling mechanism is arranged above the base 1 and comprises four support rods 2, a top plate 3, a hydraulic cylinder 4, a fixed plate 5, a mounting plate 6, a connecting frame 7, a first motor 8 and a connecting assembly, the four support rods 2 are respectively welded to the outer walls of the four corners of the top of the base 1, the four corners of the bottom of the top plate 3 are respectively welded to the outer walls of the top ends of the four support rods 2, the hydraulic cylinder 4 is connected to the outer wall of the top plate 3 through bolts, the outer walls of the four corners of the top of the fixed plate 5 are respectively provided with through holes, and the four support rods 2 are respectively sleeved in the four through holes, the outer wall of the center of the top of the fixed plate 5 is provided with a mounting opening, the hydraulic oil cylinder 4 is sleeved in the mounting opening, the outer walls of four corners of the top of the mounting plate 6 are provided with channels, four support rods 2 are respectively arranged in the four channels in a sliding manner, the connecting frame 7 is welded on the outer wall of the top of the mounting plate 6, the bottom end of a piston rod of the hydraulic oil cylinder 4 is connected on the outer wall of the center of the top of the connecting frame 7 through bolts, the first motor 8 is connected on the outer wall of the top of the mounting plate 6 through bolts, the connecting assembly comprises a connecting pipe 9, a fixed column 10 with a regular hexagonal structure, a material conveying pipe 11, a fixed ring 12, a drill rod 13, a connecting column 14 and an auger 15, the outer wall of the bottom end of the connecting pipe 9 is provided with a fixed groove with a regular hexagonal structure, the fixed column 10 is welded on the outer wall of the top of the connecting pipe 9, and the material conveying pipe 11 is screwed on the outer wall of the center of the top of the base 1, the fixing ring 12 is sleeved on the outer wall of the upper portion of the conveying pipe 11, the drill pipe 13 is sleeved in the conveying pipe 11, the connecting column 14 is welded on the outer wall of the top portion of the drill pipe 13, a clamping groove with a regular hexagonal structure is formed in the outer wall of the bottom end of the output shaft of the first motor 8, the fixing column 10 is inserted in the clamping groove, the connecting column 14 is inserted in the fixing groove, bolts are screwed on the outer walls of the lower portions of the output shaft of the first motor 8 and the connecting pipe 9, two bolts are respectively in fastening fit with the fixing column 10 and the connecting column 14, the packing auger 15 is welded on the outer wall of the drill pipe 13, sleeve plates 16 are welded on the outer walls of two ends of the top portion of the fixing plate 5, two outer walls of two sleeve plates 16 are respectively provided with a slide way, and supporting mechanisms are arranged in the four slide ways, each supporting mechanism comprises a connecting plate 17, a telescopic rod 18 and a supporting seat 19, and the connecting plate 17 is slidably mounted in the slide way, the telescopic rod 18 is welded on the outer wall of one side of the bottom of the connecting plate 17, the telescopic rod 18 comprises a sleeve and a connecting rod sleeved in the sleeve, the outer wall of the sleeve is screwed with a fastening bolt, the fastening bolt and the connecting rod form fastening fit, the supporting seat 19 is welded on the outer wall of the bottom end of the telescopic rod 18, the outer wall of the bottom end of the supporting seat 19 is fixedly connected with an anti-slip pad, the outer wall of the bottom end of the anti-slip pad is provided with anti-slip bulges distributed at equal intervals, a fixing mechanism is arranged above the base 1 and comprises two fixing seats 20 welded on the outer wall of the top of the base 1 respectively, two-way screw rods 21 connected on the outer wall of one side of the fixing seats 20 through bearings respectively, two driven gears 22 sleeved on the outer wall of one end of the two-way screw rods 21 respectively, a rotating shaft 23 connected on the outer wall of one side of the fixing seat 20 through bearings, The outer wall of the top end of the base 1 is lapped with a bottom plate 26, symmetrically distributed fixing ports are respectively arranged on the outer walls of the tops of the base 1 and the bottom plate 26, a bolt 27 is sleeved in each of the two fixing ports, an installation block 28 is welded on the outer wall of the bottom end of the bottom plate 26, and two fixing blocks 29 are welded on the outer wall of one side of the bottom of the installation block 28, two equal spiro union has lead screw 30, two on the outer wall of fixed block 29 top all the welding has the carousel on the outer wall of lead screw 30 top, and all the welding has anti-skidding handle, two on the outer wall of two carousel tops all the welding has the dead lever on the outer wall of connecting block 31 bottom, and is connected with the universal wheel through the bearing on two dead lever bottom outer walls, the welding has two connecting blocks 31 on the one end outer wall that installation piece 28 was kept away from to bottom plate 26 bottom, and all opens on the one end outer wall at two connecting blocks 31 tops, bottom plate 26 top is equipped with the winding mechanism, the winding mechanism includes that two weld respectively in first mount pad 32 on the outer wall of bottom plate 26 top, connect in reciprocal lead screw 33 on the outer wall of first mount pad 32 one side through the bearing, spiro union is in slide 34 on reciprocal lead screw 33 outer wall, weld in slide 35 of "T" shape structure on slide 34 bottom outer wall, The threading block 36 welded on the outer wall of the top of the sliding plate 34, the second mounting seat 37 welded on the outer wall of one end of the top of the bottom plate 26 far away from the first mounting seat 32, the wind-up roller 38 connected on the outer wall of one side of the second mounting seat 37 through a bearing and two limit rings 39 respectively sleeved on the outer wall of the wind-up roller 38, a chute with a T-shaped structure is opened on the outer wall of the top of the bottom plate 26, a slide block 35 is slidably mounted in the chute, one end of the reciprocating screw 33 is connected on the outer wall of one side of the first mounting seat 32 through a bearing, one end of the wind-up roller 38 is connected on the outer wall of one side of the second mounting seat 37 through a bearing, the outer wall of one end of the top of the bottom plate 26 is connected with a second motor 40 through a bolt, driven pulleys are sleeved on the outer walls of one ends of the reciprocating screw 33 and the wind-up roller 38, a pulley is sleeved on one end of an output shaft of the second motor 40, and the pulley forms a transmission fit with the driven pulley at one end of the wind-up roller 38 through a belt, and the two driven pulleys form transmission fit through a belt.
A construction method for grouting and filling in a goaf of a highway comprises the following steps:
s1: drilling a grouting hole and a curtain hole on the ground surface, and drilling with clean water when the grouting hole and the curtain hole are drilled to a crack zone or an caving zone;
s2: after drilling, pouring a grouting pipe into the grouting hole and the curtain hole, flushing the grouting pipe with clear water at a flushing pressure of 0.8-1MPa for 8-10min, and stopping flushing when the water leakage is more than 100L/min;
s3: injecting the slurry into the grouting pipe by using a grouting pump and adopting an intermittent grouting method, flushing the grouting pipe by using clear water before intermittent grouting, wherein the flushing pressure is 0.8-1MPa, the flushing time is 10-25min, and the grouting can be finished when the pump capacity is less than 70L/min and the orifice pressure is 1.0-1.5 MPa.
The bottom plate 26 is taken down and separated from the base 1, the bottom plate 26 is placed close to a power supply, two bolts 27 penetrate through two connecting blocks 31 and are inserted into soil, two screw rods 30 are rotated anticlockwise simultaneously, the bottom ends of the screw rods 30 are drilled into the ground, then the winding mechanism is fixed, when the ground is drilled, the conveying pipe 11 is rotated anticlockwise, the bottom end of the conveying pipe 11 is contacted with the ground, the drill rod 13 is connected with an output shaft of the first motor 8 through the connecting pipe 9, the first motor 8 is started to drill, the connecting rod 9 is added again, the drilling depth can be increased, the four connecting plates 17 and the telescopic rods 18 are pulled, the bottom ends of the four supporting seats 19 are contacted with the ground, after the drilling is completed, the connecting pipe 9 and the drill rod 13 are taken down, the pipeline bottom end of the grouting pump is placed in the conveying pipe 11, the driving gear 24 is rotated anticlockwise, the driving gear 24 drives the two driven gears 22 to rotate, and then drive two-way screw rods 21 and rotate, two-way screw rods 21 drive two extrusion blocks 25 and move in opposite directions, and then fix the pipeline of the grouting pump.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims (9)

1. The utility model provides a highway collecting space area slip casting filling device, includes base (1), a serial communication port, base (1) top is equipped with drilling mechanism, drilling mechanism includes that four weld respectively bracing piece (2) on the four corners outer wall at base (1) top, the four corners of bottom weld respectively roof (3) on four bracing piece (2) top outer walls, through hydraulic cylinder (4) of bolted connection on roof (3) top outer wall, the four corners of top cup joint respectively fixed plate (5) on four bracing piece (2) outer walls, the four corners of top is mounting panel (6) of slidable mounting respectively on four bracing piece (2) outer walls, weld link (7) on mounting panel (6) top outer wall, through first motor (8) and coupling assembling of bolted connection on mounting panel (6) top outer wall, coupling assembling has connecting pipe (9) of the fixed slot of regular hexagon structure including opening on the bottom outer wall, The device comprises a fixed column (10) of a regular hexagon structure welded on the outer wall of the top of a connecting pipe (9), a conveying pipe (11) screwed on the outer wall of the center of the top of a base (1), a fixed ring (12) sleeved on the outer wall of the upper part of the conveying pipe (11), a drill rod (13) sleeved in the conveying pipe (11), a connecting column (14) welded on the outer wall of the top of the drill rod (13) and a packing auger (15) welded on the outer wall of the drill rod (13), sleeve plates (16) are welded on the outer walls of two ends of the top of a fixed plate (5), slideways are arranged on the outer walls of two sides of the two sleeve plates (16), supporting mechanisms are arranged in the four slideways, each supporting mechanism comprises a connecting plate (17) arranged in the slideway in the sliding way in a sliding manner, a telescopic rod (18) welded on the outer wall of one side of the bottom of the connecting plate (17) and a supporting seat (19) welded on the outer wall of the bottom end of the telescopic rod (18), a fixing mechanism is arranged above the base (1), the fixing mechanism comprises two fixing seats (20) welded on the outer wall of the top of the base (1) respectively, two-way screw rods (21) connected to the outer wall of one side of one fixing seat (20) through bearings respectively, two driven gears (22) sleeved on the outer walls of one ends of the two-way screw rods (21) respectively, a rotating shaft (23) connected to the outer wall of one side of the fixing seat (20) through bearings, a driving gear (24) sleeved on the outer wall of the rotating shaft (23) and two extrusion blocks (25) respectively screwed on the outer walls of two ends of the two-way screw rods (21), a bottom plate (26) is lapped on the outer wall of one end of the top of the base (1), fixing ports which are symmetrically distributed are formed in the outer walls of the tops of the base (1) and the bottom plate (26), and inserting pins (27) are sleeved in the two fixing ports, the welding has installation piece (28) on the outer wall of bottom plate (26) bottom one end, and the welding has two fixed block (29) on the outer wall of one side of installation piece (28) bottom, two equal spiro union has lead screw (30) on fixed block (29) top outer wall, the welding has two connecting block (31) on the outer wall of one end of keeping away from installation piece (28) bottom, and has all opened the socket on the one end outer wall at two connecting block (31) tops, bottom plate (26) top is equipped with winding mechanism, winding mechanism includes two first mount pad (32) of welding respectively on bottom plate (26) top outer wall, connects reciprocal lead screw (33) on the outer wall of first mount pad (32) one side, slide (34) of spiro union on reciprocal lead screw (33) outer wall, weld slider (35) of "T" shape structure on slide (34) bottom outer wall, The wire threading device comprises a threading block (36) welded on the outer wall of the top of a sliding plate (34), a second mounting seat (37) welded on the outer wall of one end, far away from the first mounting seat (32), of the top of a base plate (26), a winding roller (38) connected to the outer wall of one side of the second mounting seat (37) through a bearing and two limiting rings (39) sleeved on the outer wall of the winding roller (38) respectively, wherein a second motor (40) is connected to the outer wall of one end of the top of the base plate (26) through a bolt.
2. The grouting and filling device for the goaf of the expressway according to claim 1, wherein universal wheels with brakes are fixedly connected to the outer walls of four corners of the bottom of the base (1), a handle is welded to the outer wall of one side of the base (1), and a rubber ring is sleeved on the outer wall of the handle.
3. The grouting and filling device for the goaf of the expressway according to claim 1, wherein through holes are formed in outer walls of four corners of the top of the fixing plate (5), four supporting rods (2) are respectively sleeved in the four through holes, a mounting port is formed in the outer wall of the center of the top of the fixing plate (5), a hydraulic oil cylinder (4) is sleeved in the mounting port, channels are formed in the outer walls of the four corners of the top of the mounting plate (6), a mounting hole is formed in the outer wall of the center of the top of the mounting plate (6), an output shaft of the first motor (8) is connected into the mounting hole through a bearing, and the bottom end of a piston rod of the hydraulic oil cylinder (4) is connected to the outer wall of the center of the top of the connecting frame (7) through a bolt.
4. The grouting and filling device for the goaf of the expressway according to claim 1, wherein a clamping groove with a regular hexagon structure is formed in the outer wall of the bottom end of the output shaft of the first motor (8), a fixing column (10) is inserted into the clamping groove, the connecting column (14) is inserted into a fixing groove, bolts are screwed on the outer walls of the lower portions of the output shaft of the first motor (8) and the connecting tube (9), and the two bolts respectively form a fastening fit with the fixing column (10) and the connecting column (14).
5. The grouting and filling device for the goaf of the expressway according to claim 1, wherein the telescopic rod (18) comprises a sleeve and a connecting rod slidably sleeved in the sleeve, a fastening bolt is screwed on the outer wall of the sleeve and forms a fastening fit with the connecting rod, a non-slip mat is fixedly connected to the outer wall of the bottom end of the supporting seat (19), and non-slip bulges are distributed on the outer wall of the bottom end of the non-slip mat at equal intervals.
6. The grouting and filling device for the goaf of the expressway according to claim 1, wherein one ends of two bidirectional screws (21) are respectively connected to the outer wall of one side of the fixed seat (20) through bearings, the driving gear (24) is respectively meshed with two driven gears (22) to form transmission fit, a handle is welded on the outer wall of one side of the driving gear (24), grooves with semicircular structures are formed in the outer walls of the two opposite sides of the extrusion blocks (25), and a rubber layer is fixedly connected to the inner wall of one side of each of the two grooves.
7. The grouting and filling device for the goaf of the expressway as claimed in claim 1, wherein two turntables are welded on the outer walls of the top ends of the two lead screws (30), anti-skidding handles are welded on the outer walls of the top parts of the two turntables, fixing rods are welded on the outer walls of the bottom parts of the two connecting blocks (31), and universal wheels are connected on the outer walls of the bottom ends of the two fixing rods through bearings.
8. The grouting and filling device for the goaf of the expressway according to claim 1, wherein a chute with a T-shaped structure is formed in the outer wall of the top of the bottom plate (26), the sliding block (35) is slidably mounted in the chute, one end of the reciprocating screw (33) is connected to the outer wall of one side of the first mounting seat (32) through a bearing, one end of the take-up roller (38) is connected to the outer wall of one side of the second mounting seat (37) through a bearing, driven pulleys are sleeved on the outer walls of one ends of the reciprocating screw (33) and the take-up roller (38), a pulley is sleeved at one end of an output shaft of the second motor (40), the pulley is in transmission fit with the driven pulley at one end of the take-up roller (38) through a belt, and the two driven pulleys are in transmission fit through the belt.
9. The construction method of the grouting and filling device for the goaf of the expressway according to claim 1, comprising the following steps of:
s1: drilling a grouting hole and a curtain hole on the ground surface, and drilling with clean water when the grouting hole and the curtain hole are drilled to a crack zone or an caving zone;
s2: after drilling, pouring a grouting pipe into the grouting hole and the curtain hole, flushing the grouting pipe with clear water at a flushing pressure of 0.8-1MPa for 8-10min, and stopping flushing when the water leakage is more than 100L/min;
s3: injecting the slurry into the grouting pipe by using a grouting pump and adopting an intermittent grouting method, flushing the grouting pipe by using clear water before intermittent grouting, wherein the flushing pressure is 0.8-1MPa, the flushing time is 10-25min, and the grouting can be finished when the pump capacity is less than 70L/min and the orifice pressure is 1.0-1.5 MPa.
CN202110734842.XA 2021-06-30 2021-06-30 Grouting filling device for goaf of expressway and construction method thereof Active CN113622428B (en)

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CN116658113B (en) * 2023-07-17 2023-11-03 巴斯夫浩珂矿业化学（中国）有限公司 Mining grouting hole packer

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Publication number Priority date Publication date Assignee Title
CN206328744U (en) * 2016-11-16 2017-07-14 周朋飞 A kind of geology bracing means
CN111365069A (en) * 2020-03-12 2020-07-03 山东省地矿工程集团有限公司地质环境工程分公司 Coal mine goaf filling and grouting equipment
CN212077899U (en) * 2020-04-22 2020-12-04 连正显 Compacting and grouting device for municipal road and bridge construction
CN112610271A (en) * 2020-12-07 2021-04-06 高淑林 Drilling tank slurry backfilling device and method for coal mining subsidence area treatment
CN112830334A (en) * 2020-12-23 2021-05-25 林亿凯 Municipal works cable interlude device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206328744U (en) * 2016-11-16 2017-07-14 周朋飞 A kind of geology bracing means
CN111365069A (en) * 2020-03-12 2020-07-03 山东省地矿工程集团有限公司地质环境工程分公司 Coal mine goaf filling and grouting equipment
CN212077899U (en) * 2020-04-22 2020-12-04 连正显 Compacting and grouting device for municipal road and bridge construction
CN112610271A (en) * 2020-12-07 2021-04-06 高淑林 Drilling tank slurry backfilling device and method for coal mining subsidence area treatment
CN112830334A (en) * 2020-12-23 2021-05-25 林亿凯 Municipal works cable interlude device

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