CN114775576B - Low-disturbance rotary spraying solidification method and device for frozen soil active layer of Qinghai-Tibet plateau - Google Patents
Low-disturbance rotary spraying solidification method and device for frozen soil active layer of Qinghai-Tibet plateau Download PDFInfo
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- CN114775576B CN114775576B CN202210481450.1A CN202210481450A CN114775576B CN 114775576 B CN114775576 B CN 114775576B CN 202210481450 A CN202210481450 A CN 202210481450A CN 114775576 B CN114775576 B CN 114775576B
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- 239000002689 soil Substances 0.000 title claims abstract description 33
- 238000005507 spraying Methods 0.000 title claims abstract description 21
- 238000007711 solidification Methods 0.000 title claims abstract description 15
- 230000008023 solidification Effects 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000004080 punching Methods 0.000 claims abstract description 59
- 238000002347 injection Methods 0.000 claims abstract description 36
- 239000007924 injection Substances 0.000 claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 26
- 239000012530 fluid Substances 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 description 17
- 238000010168 coupling process Methods 0.000 description 17
- 238000005859 coupling reaction Methods 0.000 description 17
- 238000010276 construction Methods 0.000 description 4
- 238000001723 curing Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
Classifications
-
- 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
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention discloses a low-disturbance rotary spraying solidification method and a device for a Qinghai-Tibet plateau frozen soil active layer, wherein the method comprises the following steps: step one: punching vertical holes on the ground of a region to be solidified in a frozen soil environment; step two: spraying high-pressure fluid to the side wall of the vertical hole; step three: injecting mortar into the vertical holes; the device comprises: the device comprises a frame, a punching part, an air injection part and a negative pressure storage part; the punching part is arranged on the frame and comprises a first lifting motor, the first lifting motor is in transmission connection with a first fixing frame, and a punching mechanism is fixedly arranged on the first fixing frame; the air injection part is arranged on the frame and comprises a second lifting motor, the second lifting motor is in transmission connection with a second fixing frame, and an air injection mechanism is fixedly arranged on the second fixing frame; negative pressure storage part is arranged on the frame, and the negative pressure storage part is respectively communicated with the punching mechanism and the air injection mechanism.
Description
Technical Field
The invention relates to the technical field of frozen soil active layer solidification, in particular to a low-disturbance rotary spraying solidification method and device for a frozen soil active layer of a Qinghai-Tibet plateau.
Background
The frozen soil active layer refers to a soil layer which is covered on permafrost and is melted in summer and frozen in winter. It has the characteristics of unidirectional melting in summer and bidirectional freezing in winter.
The frozen soil active layer is thawed and submerged in summer and frost heaved in winter, and has great harm to the arrangement of roads, railways, oil pipelines and the like in the area, so the invention provides a low-disturbance rotary spraying solidification method and device for the frozen soil active layer in Qinghai-Tibet plateau.
Disclosure of Invention
The invention aims to provide a low-disturbance rotary spraying solidification method and device for a frozen soil active layer of Tibet plateau, so as to solve the problems in the prior art.
In order to achieve the above object, the present invention provides the following solutions:
a low-disturbance rotary spraying solidification method for a frozen soil active layer of Tibet plateau comprises the following steps:
step one: punching vertical holes on the ground of a region to be solidified in a frozen soil environment;
step two: spraying high-pressure fluid to the side wall of the vertical hole;
step three: mortar is injected into the vertical holes.
Preferably, in the second step, a jet pipe is penetrated into the vertical hole, a plurality of outlet holes are circumferentially and equally spaced on the side wall of the jet pipe, the outlet holes are equally spaced from top to bottom, high-pressure fluid is jetted on the side wall of the vertical hole through the outlet holes to form a transverse hole, and residual soil in the vertical hole is taken out.
Preferably, in the third step, after mortar is injected into the vertical hole, the mortar is vibrated by the vibrating rod, and meanwhile, the vibrating rod is prevented from contacting with the side wall of the vertical hole.
The low-disturbance rotary spraying and curing device for the Qinghai-Tibet plateau frozen soil active layer is used for implementing the low-disturbance rotary spraying and curing method for the Qinghai-Tibet plateau frozen soil active layer, and comprises the following steps:
a frame;
the punching part is arranged on the frame and comprises a first lifting motor, the first lifting motor is in transmission connection with a first fixing frame, and a punching mechanism is fixedly arranged on the first fixing frame;
the air injection part is arranged on the frame and comprises a second lifting motor, the second lifting motor is in transmission connection with a second fixing frame, and an air injection mechanism is fixedly arranged on the second fixing frame;
negative pressure storage part is arranged on the frame, and the negative pressure storage part is respectively communicated with the punching mechanism and the air injection mechanism.
Preferably, a step through groove is formed in the top surface of the frame, a bearing plate is connected in the step through groove in a sliding mode, a second through hole is formed in the bearing plate, and the punching part, the air injection part and the negative pressure storage part are fixedly installed in the second through hole.
Preferably, the punching part further comprises a first vertical plate fixedly connected to the side wall of the second through hole, the first vertical plate is perpendicular to the moving direction of the bearing plate, a first sliding groove which is vertically arranged is formed in the side wall of the first vertical plate, a first threaded rod is rotationally connected to the first sliding groove, the top end of the first threaded rod extends out of the first sliding groove and is fixedly provided with a first bevel gear, the first bevel gear is meshed with a second bevel gear, the second bevel gear is fixedly arranged on an output shaft of the first lifting motor, the first lifting motor is fixedly arranged on a first transverse plate, the first transverse plate is fixedly connected to the top end of the first vertical plate, a first sliding block is connected to the first threaded rod in a sliding mode, and one end of the first sliding groove extends out of the first sliding block and is fixedly connected with the first fixing frame.
Preferably, the punching mechanism comprises a punching motor fixedly connected to the first fixing frame, a first gear is fixedly connected to an output shaft of the punching motor, a second gear is meshed with the first gear, the second gear is fixedly connected to the outer side wall of the punching pipe, the punching pipe is rotatably connected to the bottom wall of the first fixing frame through a bearing, the top end of the punching pipe penetrates out of the bottom wall of the first fixing frame and is communicated with the negative pressure storage part, and a punching assembly is fixedly arranged at the bottom end of the punching pipe.
Preferably, the punching part comprises a second vertical plate fixedly connected to the side wall opposite to the first vertical plate in the second through hole, a second sliding groove is formed in the side wall of the second vertical plate, a second threaded rod is connected in the second sliding groove in a rotating mode, the top end of the second threaded rod extends out of the second sliding groove and is fixedly provided with a third bevel gear, the third bevel gear is meshed with a fourth bevel gear, the fourth bevel gear is fixedly arranged on an output shaft of the second lifting motor, the second lifting motor is fixedly arranged on a second transverse plate, the second transverse plate is fixedly connected to the top end of the second vertical plate, a second threaded rod is connected with a second sliding block in a sliding mode, and the second sliding block extends out of one end of the second sliding groove and is fixedly connected with the second fixing frame.
Preferably, the air injection mechanism comprises an injection pipe fixedly installed on the second fixing frame, a second pipe body is arranged in the injection pipe in a penetrating manner, a containing cavity is formed between the injection pipe and the second pipe body, the top end and the bottom end of the containing cavity are sealed, a plurality of outlet holes are formed in the side wall of the injection pipe and communicated with the containing cavity, a connecting pipe is fixedly connected and communicated with the side wall of the injection pipe, a pressurizing injector is communicated with the connecting pipe, the pressurizing injector is fixedly connected on the second fixing frame, and the top end of the second pipe body is communicated with the negative pressure storage part.
Preferably, the negative pressure storage part comprises a negative pressure collecting box, the bottom end of the negative pressure collecting box is fixedly connected and communicated with two telescopic pipes, any one telescopic pipe is communicated with the punching pipe through a sealing bearing, the other telescopic pipe is fixedly connected and communicated with the top end of the second pipe body, and an electromagnetic valve is arranged between the telescopic pipe and the negative pressure collecting box.
The invention discloses the following technical effects:
according to the invention, a frame is fixed at a position needing to be perforated, a first lifting motor is started, the first lifting motor drives a perforating mechanism to move, a vertical hole is drilled on the ground, at the moment, the first lifting motor is controlled to drive the perforating mechanism to ascend and separate from the vertical hole, then a second lifting motor is controlled to extend an air injection part into the vertical hole, a gap is reserved between the air injection part and the bottom wall of the vertical hole, the diameter of the air injection part is smaller than that of the vertical hole, the air injection part sprays high-pressure fluid on the side wall of the vertical hole, a plurality of transverse holes are drilled on the side wall of the vertical hole, soil in the vertical hole is removed by utilizing a negative pressure storage part, the second lifting motor is controlled to lift the air injection part and separate from the vertical hole, the frame is moved to a position where the next hole is drilled, a worker fills mortar into the completed vertical hole, and meanwhile, a vibrating rod is used for vibrating the mortar, so that on one hand, the air in the mortar is enabled to be more compact, and on the other hand, the mortar is enabled to be filled into the transverse holes more smoothly by the mortar through the vibrating mortar;
in winter construction, the frozen soil active layer is in a solidification state, so that the construction is convenient, meanwhile, the construction process does not influence the non-constructed places, and the disturbance to the frozen soil active layer in the construction process is reduced; the vertical holes are formed in the frozen soil layer, the transverse holes are formed in the side walls of the vertical holes, after the mortar is condensed in the vertical holes, the building facilities on the ground surface can be supported, the mortar is condensed in the transverse holes, and the transverse mortar columns are matched with the vertical mortar columns, so that the thawing degree of the frozen soil movable layer is reduced, and the building facilities on the ground surface are effectively protected.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of a low-disturbance rotary spraying solidification device for a frozen soil active layer of Tibet plateau;
FIG. 2 is a top view of a low disturbance rotary jetting solidification device for a frozen soil active layer of Tibet plateau;
FIG. 3 is an enlarged view of a portion of FIG. 1 at A;
FIG. 4 is a top view of the punch assembly of the present invention;
FIG. 5 is a front view of the punch assembly of the present invention;
wherein, 1, the frame; 2. a first lifting motor; 3. a first fixing frame; 4. a second lifting motor; 5. the second fixing frame; 6. a carrying plate; 7. a first vertical plate; 8. a first threaded rod; 9. a first bevel gear; 10. a second bevel gear; 11. a first cross plate; 12. a first slider; 13. a punching motor; 14. a first gear; 15. a second gear; 16. punching a hole pipe; 17. a second vertical plate; 18. a second threaded rod; 19. a third bevel gear; 20. a fourth bevel gear; 21. a second cross plate; 22. a second slider; 23. a jet pipe; 24. a second tube body; 25. a pressurized jet; 26. a negative pressure collecting box; 27. a telescopic tube; 28. an electromagnetic valve; 29. a nut; 30. a third threaded rod; 31. a blade.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
The invention provides a low-disturbance rotary spraying solidification method for a Qinghai-Tibet plateau frozen soil active layer, which comprises the following steps of:
step one: punching vertical holes on the ground of a region to be solidified, wherein the time is selected as winter;
step two: spraying high-pressure fluid to the side wall of the vertical hole;
step three: mortar is injected into the vertical holes.
In the second step, the injection pipe 23 is inserted into the vertical hole, a plurality of outlet holes are circumferentially and equally spaced on the side wall of the injection pipe 23, the plurality of outlet holes are equally spaced from top to bottom, high-pressure fluid is injected on the side wall of the vertical hole through the outlet holes to form a transverse hole, and residual soil in the vertical hole is taken out.
In the third step, after mortar is injected into the vertical hole, the mortar is vibrated by the vibrating rod, and meanwhile the contact between the vibrating rod and the side wall of the vertical hole is avoided.
A low-disturbance rotary spraying and curing device for a Qinghai-Tibet plateau frozen soil active layer is used for implementing a low-disturbance rotary spraying and curing method for the Qinghai-Tibet plateau frozen soil active layer, and comprises the following steps:
a frame 1;
the punching part is arranged on the frame 1 and comprises a first lifting motor 2, the first lifting motor 2 is in transmission connection with a first fixing frame 3, and a punching mechanism is fixedly arranged on the first fixing frame 3;
the air injection part is arranged on the frame and comprises a second lifting motor 4, the second lifting motor 4 is in transmission connection with a second fixing frame 5, and an air injection mechanism is fixedly arranged on the second fixing frame 5;
and the negative pressure storage part is arranged on the frame 1 and is respectively communicated with the punching mechanism and the air injection mechanism.
Firstly, fix frame 1 in the position that needs to punch, start first elevator motor 2, first elevator motor 2 drives the mechanism motion of punching, punch the vertical hole subaerial, control first elevator motor 2 at this moment and drive the mechanism of punching rise and break away from the vertical hole, then control second elevator motor 4 stretch into the vertical hole with the jet part in, leave the clearance between the diapire of jet part and the vertical hole, the diameter of jet part is less than the diameter of vertical hole, jet part sprays high-pressure fluid on the lateral wall of vertical hole, open a plurality of transverse holes on the lateral wall of vertical hole, utilize negative pressure storage part to clear away the earth in the vertical hole, control second elevator motor 4 promotes jet part and breaks away from the vertical hole, move the frame to the place that next place was punched, the workman pours into the mortar into to the vertical hole of finishing, utilize the vibro stick to vibrate the mortar simultaneously, on the one hand, make the gas in the mortar condense compacter, on the other hand, increase the mobility of mortar through vibrating the mortar, make the mortar fill in the transverse hole more smoothly.
Further optimizing scheme has offered the step on the top surface of frame 1 and has led to the groove, and the step leads to the inslot sliding connection has loading board 6, has offered the second through-hole on the loading board 6, and portion of punching, jet-propelled portion, negative pressure storage part are all fixed mounting in the second through-hole.
Further optimizing scheme, the bottom surface rigid coupling of loading board 6 has nut 29, the rigid coupling has another nut 29 on the bottom surface of frame 1, two nut 29 threaded connection have third threaded rod 30, the one end of third threaded rod 30 stretches out nut 29 and fixed mounting has the handle, can adjust the position of loading board 6 through rotating the handle, and then adjust the position of punching part and jet-propelled portion for this device does not need to remove frame 1 when carrying out the work, only need adjust loading board 6 and can normally work, avoided this device to need adjust the position of frame 1 repeatedly in the course of the work.
Further optimizing scheme, the portion of punching still includes first riser 7, first riser 7 rigid coupling is on the lateral wall of second through-hole, the direction of motion of first riser 7 perpendicular to loading board 6 has been seted up on the lateral wall of first riser 7 vertical setting's first spout, first spout internal rotation is connected with first threaded rod 8, first spout and fixed mounting have first bevel gear 9 are stretched out on the top of first threaded rod 8, first bevel gear 9 meshing has second bevel gear 10, second bevel gear 10 fixed mounting is on the output shaft of first elevator motor 2, first elevator motor 2 fixed mounting is on first diaphragm 11, first diaphragm 11 rigid coupling is on the top of first riser 7, first threaded rod 8 threaded connection has first slider 12, first slider 12 sliding connection is in first spout, the one end that first slider 12 stretched out first spout and first mount 3 rigid coupling. So set up, first elevating motor 2 drives first slider 12 motion through first bevel gear 9 and second bevel gear 10, and first mount 3 moves along with first slider 12, and then realizes driving punching mechanism and reciprocates, makes the vertical hole subaerial.
Further optimizing scheme, punching mechanism includes the rigid coupling motor 13 that punches on first mount 3, and the rigid coupling has first gear 14 on the output shaft of motor 13 that punches, and first gear 14 meshing has second gear 15, and second gear 15 rigid coupling is on the lateral wall of punching pipe 16, and punching pipe 16 passes through the bearing rotation to be connected on the diapire of first mount 3, and the diapire of first mount 3 is worn out on the top of punching pipe 16 and is communicated with negative pressure storage part, and the bottom fixed mounting of punching pipe 16 has the subassembly that punches. So set up, the motor 13 that punches drives the hole punching pipe 16 through intermeshing's first gear 14 and second gear 15 and rotates, and the hole punching pipe 16 is through punching the subassembly and is punched the vertical hole subaerial.
Further optimizing scheme, the subassembly that punches includes the ring of rigid coupling in the pipe 16 bottom that punches, and the inboard circumference equidistant rigid coupling of ring has a plurality of blades 31, and blade 31 sets up for the horizontal plane slope, and the bottom of ring is stretched out to blade 31's bottom, is convenient for better to punch the vertical hole.
Further optimizing scheme, the portion of punching includes second riser 17, second riser 17 rigid coupling is on the lateral wall opposite with first riser 7 in the second through-hole, the second spout has been seted up on the lateral wall of second riser 17, the rotation is connected with second threaded rod 18 in the second spout, the top of second threaded rod 18 stretches out the second spout and fixed mounting has third bevel gear 19, third bevel gear 19 meshing has fourth bevel gear 20, fourth bevel gear 20 fixed mounting is on the output shaft of second elevator motor 4, second elevator motor 4 fixed mounting is on second diaphragm 21, second diaphragm 21 rigid coupling is on the top of second riser 17, second threaded rod 18 threaded connection has second slider 22, second slider 22 sliding connection is in the second spout, the one end that second slider 22 stretches out the second spout and second mount 5 rigid coupling. The second lifting motor 4 drives the second threaded rod 18 to rotate in the second sliding groove through the third bevel gear 19 and the fourth bevel gear 20, so that the second sliding block 22 moves up and down in the second sliding groove, and the air injection part is driven to move up and down through the second fixing frame 5.
Further optimizing scheme, jet mechanism includes fixed mounting jet pipe 23 on second mount 5, wears to be equipped with second body 24 in the jet pipe 23, forms between jet pipe 23 and the second body 24 and holds the chamber, holds the top and the bottom closure setting in chamber, has seted up a plurality of apopores on the lateral wall of jet pipe 23, apopore and hold the chamber intercommunication, rigid coupling and intercommunication have the connecting pipe on the lateral wall of jet pipe 23, the connecting pipe intercommunication has pressurization sprayer 25, pressurization sprayer 25 rigid coupling is on second mount 5, the top and the negative pressure storage part intercommunication of second body 24. The pressurized jet 25 is preferably a high pressure steam engine, as is known in the art, and the high pressure fluid is preferably high temperature and high pressure steam; the diameter of the jet pipe 23 is smaller than that of the vertical hole, so that on one hand, high-pressure fluid is conveniently jetted to form a transverse hole on the side wall of the vertical hole, and on the other hand, molten sludge in the transverse hole is conveniently discharged; the pressurized sprayer 25 introduces high-pressure fluid into the accommodating cavity and sprays the high-pressure fluid onto the side wall of the vertical hole through the outlet hole to form a transverse hole, the negative pressure storage part is communicated with the second pipe body 24, a gap is reserved between the spraying pipe 23 and the bottom wall of the vertical hole, and sludge flowing out of the transverse hole conveniently flows to the bottom end of the vertical hole and flows into the negative pressure storage part through the second pipe body 24 under the action of the negative pressure storage part.
Further optimizing scheme, negative pressure storage portion includes negative pressure collecting box 26, and the bottom rigid coupling of negative pressure collecting box 26 has two flexible pipes 27 in communication, and arbitrary flexible pipe 27 and punching tube 16 pass through sealed bearing intercommunication, and another flexible pipe 27 and the top rigid coupling of second body 24 are in communication, are provided with solenoid valve 28 between flexible pipe 27 and the negative pressure collecting box 26.
When the perforated pipe 16 works, the electromagnetic valve 28 communicated with the perforated pipe 16 is opened, the negative pressure collecting box 26 sucks soil in the perforated pipe 16 into the negative pressure collecting box 26, and when the injection pipe 23 works, the electromagnetic valve 28 communicated with the second pipe body 24 is opened, and the other electromagnetic valve 28 is closed.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (2)
1. The low-disturbance rotary spraying solidification method for the frozen soil active layer of the Qinghai-Tibet plateau is characterized by comprising the following steps of:
step one: punching vertical holes on the ground of a region to be solidified in a frozen soil environment;
step two: spraying high-pressure fluid to the side wall of the vertical hole;
step three: injecting mortar into the vertical holes;
in the second step, penetrating a jet pipe (23) into the vertical hole, circumferentially and equally spacing a plurality of outlet holes on the side wall of the jet pipe (23), uniformly distributing a plurality of outlet holes from top to bottom, jetting high-pressure fluid on the side wall of the vertical hole through the outlet holes to form a transverse hole, and taking out residual soil in the vertical hole;
the device for implementing the low-disturbance rotary spraying solidification method of the Qinghai-Tibet plateau frozen soil active layer comprises the following components:
a frame (1);
the punching part is arranged on the frame (1) and comprises a first lifting motor (2), the first lifting motor (2) is in transmission connection with a first fixing frame (3), and a punching mechanism is fixedly arranged on the first fixing frame (3);
the air injection part is arranged on the frame and comprises a second lifting motor (4), the second lifting motor (4) is in transmission connection with a second fixing frame (5), and an air injection mechanism is fixedly arranged on the second fixing frame (5);
the negative pressure storage part is arranged on the frame (1) and is respectively communicated with the punching mechanism and the air injection mechanism;
a step through groove is formed in the top surface of the frame (1), a bearing plate (6) is connected in a sliding manner in the step through groove, a second through hole is formed in the bearing plate (6), and the punching part, the air injection part and the negative pressure storage part are fixedly arranged in the second through hole;
the punching part further comprises a first vertical plate (7), the first vertical plate (7) is fixedly connected to the side wall of the second through hole, the first vertical plate (7) is perpendicular to the movement direction of the bearing plate (6), a first sliding groove which is vertically arranged is formed in the side wall of the first vertical plate (7), a first threaded rod (8) is rotationally connected to the first sliding groove in a rotating mode, the top end of the first threaded rod (8) extends out of the first sliding groove and is fixedly provided with a first bevel gear (9), the first bevel gear (9) is meshed with a second bevel gear (10), the second bevel gear (10) is fixedly arranged on an output shaft of the first lifting motor (2), the first lifting motor (2) is fixedly arranged on a first transverse plate (11), the first transverse plate (11) is fixedly connected to the top end of the first vertical plate (7), the first threaded rod (8) is connected with a first sliding block (12) in a sliding mode, and the first sliding block (12) is connected to the first sliding groove (12) in a sliding mode, and the first sliding block (12) extends out of the first sliding groove (3) and is fixedly connected to the first sliding groove (3);
the punching mechanism comprises a punching motor (13) fixedly connected to the first fixing frame (3), a first gear (14) is fixedly connected to an output shaft of the punching motor (13), a second gear (15) is meshed with the first gear (14), the second gear (15) is fixedly connected to the outer side wall of a punching pipe (16), the punching pipe (16) is rotatably connected to the bottom wall of the first fixing frame (3) through a bearing, the top end of the punching pipe (16) penetrates out of the bottom wall of the first fixing frame (3) and is communicated with the negative pressure storage part, and a punching assembly is fixedly arranged at the bottom end of the punching pipe (16);
the punching part comprises a second vertical plate (17), the second vertical plate (17) is fixedly connected to the side wall, opposite to the first vertical plate (7), of the second through hole, a second sliding groove is formed in the side wall of the second vertical plate (17), a second threaded rod (18) is connected in the second sliding groove in a rotating mode, the top end of the second threaded rod (18) extends out of the second sliding groove and is fixedly provided with a third bevel gear (19), the third bevel gear (19) is meshed with a fourth bevel gear (20), the fourth bevel gear (20) is fixedly arranged on an output shaft of the second lifting motor (4), the second lifting motor (4) is fixedly arranged on a second transverse plate (21), the second transverse plate (21) is fixedly connected to the top end of the second vertical plate (17), the second threaded rod (18) is in threaded connection with a second sliding block (22), the second sliding block (22) is in the second sliding groove, and the second sliding block (22) extends out of the second sliding block (22) and is fixedly connected with the second fixing frame (5).
The air injection mechanism comprises an injection pipe (23) fixedly arranged on the second fixing frame (5), a second pipe body (24) is arranged in the injection pipe (23) in a penetrating manner, a containing cavity is formed between the injection pipe (23) and the second pipe body (24), the top end and the bottom end of the containing cavity are arranged in a sealing manner, a plurality of outlet holes are formed in the side wall of the injection pipe (23), the outlet holes are communicated with the containing cavity, a connecting pipe is fixedly connected and communicated with the side wall of the injection pipe (23), a pressurizing injector (25) is communicated with the connecting pipe, the pressurizing injector (25) is fixedly connected with the second fixing frame (5), and the top end of the second pipe body (24) is communicated with the negative pressure storage part;
the negative pressure storage part comprises a negative pressure collection box (26), two telescopic pipes (27) are fixedly connected and communicated at the bottom end of the negative pressure collection box (26), any one telescopic pipe (27) is communicated with the punching pipe (16) through a sealing bearing, the other telescopic pipe (27) is fixedly connected and communicated with the top end of the second pipe body (24), and an electromagnetic valve (28) is arranged between the telescopic pipe (27) and the negative pressure collection box (26).
2. The low-disturbance rotary spraying solidification method for the Qinghai-Tibet plateau frozen soil active layer according to claim 1, which is characterized by comprising the following steps: in the third step, after mortar is injected into the vertical hole, the mortar is vibrated by the vibrating rod, and meanwhile, the contact between the vibrating rod and the side wall of the vertical hole is avoided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210481450.1A CN114775576B (en) | 2022-05-05 | 2022-05-05 | Low-disturbance rotary spraying solidification method and device for frozen soil active layer of Qinghai-Tibet plateau |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210481450.1A CN114775576B (en) | 2022-05-05 | 2022-05-05 | Low-disturbance rotary spraying solidification method and device for frozen soil active layer of Qinghai-Tibet plateau |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114775576A CN114775576A (en) | 2022-07-22 |
| CN114775576B true CN114775576B (en) | 2024-02-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210481450.1A Active CN114775576B (en) | 2022-05-05 | 2022-05-05 | Low-disturbance rotary spraying solidification method and device for frozen soil active layer of Qinghai-Tibet plateau |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992021825A1 (en) * | 1991-05-31 | 1992-12-10 | Chichibu Cement Kabushiki Kaisha | Construction method of improving or strengthening ground |
| CN103924584A (en) * | 2014-03-14 | 2014-07-16 | 浙江新邦建设有限公司 | Cast-in-situ bored pile construction method |
| CN208604601U (en) * | 2018-07-20 | 2019-03-15 | 浙江八达隧道工程股份有限公司 | A kind of circular cross section synchronization rotary jet grouting device |
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2022
- 2022-05-05 CN CN202210481450.1A patent/CN114775576B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992021825A1 (en) * | 1991-05-31 | 1992-12-10 | Chichibu Cement Kabushiki Kaisha | Construction method of improving or strengthening ground |
| CN103924584A (en) * | 2014-03-14 | 2014-07-16 | 浙江新邦建设有限公司 | Cast-in-situ bored pile construction method |
| CN208604601U (en) * | 2018-07-20 | 2019-03-15 | 浙江八达隧道工程股份有限公司 | A kind of circular cross section synchronization rotary jet grouting device |
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| CN114775576A (en) | 2022-07-22 |
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