CN113575005A

CN113575005A - Conditioner injection equipment and conditioner injection method for frozen soil in winter

Info

Publication number: CN113575005A
Application number: CN202110993703.9A
Authority: CN
Inventors: 苗雨农
Original assignee: China Construction Eighth Engineering Division Co Ltd
Current assignee: China Construction Eighth Engineering Division Co Ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2021-11-02
Anticipated expiration: 2041-08-27
Also published as: CN113575005B

Abstract

The invention discloses a modifier injection device for frozen soil in winter, wherein a drill bit is driven by a motor to be injected into the frozen soil and pierce the frozen soil to extend into a soil body below the frozen soil, then the modifier is injected into an unfrozen soil body below the frozen soil through a flow guide hole of the drill bit through a liquid conveying pipe, and in the process of injecting and piercing the frozen soil, due to plugging of an insertion rod, the soil is blocked outside the lower end of the flow guide hole of the drill bit, so that the frozen soil shaft is ensured to be pierced by the drill bit, the modifier can be smoothly injected into the soil body below the frozen soil through the lower end of the flow guide hole, and the injection efficiency of the modifier is improved. The invention solves the problem that the soil conditioner can not be injected into underground soil through the surface frozen soil layer after the surface soil is frozen in winter.

Description

Conditioner injection equipment and conditioner injection method for frozen soil in winter

Technical Field

The invention relates to the technical field of soil improvement, in particular to a modifier injection device for frozen soil in winter.

Background

The land management comprises the main content of the land physique improvement, and the engineering content is an important measure for improving the grain yield in rural areas and improving the life of people in the villages and towns and is also an important means for supporting the construction of the villages and the towns in China. The land constitution reconstruction project is based on the construction content of farmlands and is inevitably influenced by seasons, water and soil resources. The land constitution reconstruction work in the northeast of China is required to be carried out in advance of the sowing period, so the land constitution reconstruction project is mostly carried out in winter, and water and soil on the ground surface are mostly in a frozen state. When the frozen soil in the frozen state is used for soil improvement, it is difficult to permeate additives (soil improvement agents and the like) into the underground soil through the surface frozen soil layer, and further, the permeation of the aqueous solution is not possible in winter.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides a conditioner injection device for frozen soil in winter, which aims to solve the problem that the soil conditioner cannot be injected into underground soil through a ground surface frozen soil layer after the ground surface soil is frozen in winter.

To achieve the above objects, there is provided an improver injection apparatus for frozen soil in winter, including:

the movable base is provided with a liquid storage tank and a guide rod vertically arranged;

the drilling and injecting assembly comprises a threaded sleeve, a threaded pipe and a drill bit, wherein the threaded sleeve is rotatably and vertically arranged on the movable base, the threaded pipe is screwed in the threaded sleeve, the drill bit is coaxially connected to the lower end of the threaded pipe, a vertically through flow guide pore passage is formed in the drill bit, the upper end of the flow guide pore passage is communicated with an inner cavity of the threaded pipe, the inner diameter of the flow guide pore passage is gradually reduced from top to bottom, and a motor for driving the threaded sleeve is arranged on the liquid storage tank;

the bottom and the top of the turnover box are respectively provided with connecting holes in opposite positions, the connecting holes in the bottom of the turnover box are connected to the upper ends of the threaded pipes, the liquid storage box is connected to the turnover box through liquid conveying pipes, the exterior of the turnover box is connected with a connecting piece, a vertical guide hole is formed in one side, away from the turnover box, of the connecting piece, and the guide rod is movably arranged in the vertical guide hole in a penetrating mode; and

the anti-blocking structure comprises an inserted rod, a guide sleeve connected with a connecting hole at the top of the turnover box and a jacking piece, the middle part of the inserted bar is arranged in the inner cavity and the flow guide pore canal in a penetrating way, gaps are formed among the middle part of the inserted bar, the inner wall of the cavity and the inner wall of the flow guide pore canal, the lower end of the inserted rod is detachably embedded in the lower end of the diversion pore canal to plug the lower end of the diversion pore canal, the upper end of the inserted link movably penetrates through the connecting hole and the guide sleeve and extends to the outside of the guide sleeve, the guide sleeve is detachably provided with a locking piece for locking the upper end of the inserted rod, the jacking piece is arranged between the upper end of the inserted rod and the outer side wall of the turnover box, and the jacking piece jacks up the inserted rod after the locking piece is removed, so that the lower end of the inserted rod retracts into the guide pore channel to open the lower end of the flow guide pore channel.

Further, the drill bit is conical, and a spiral blade is formed on the outer portion of the drill bit.

Furthermore, the movable base is provided with a through hole opposite to the liquid storage tank, and the threaded sleeve is installed in the through hole through a bearing.

Further, the quantity of through-hole is a plurality of, and is a plurality of the through-hole is followed the length direction interval of liquid reserve tank sets up, the telescopic upper end of screw thread extends the outside of bearing, the telescopic upper end coaxial coupling of screw thread has driven gear, and is a plurality of the telescopic driven gear of screw thread in the through-hole meshes in proper order together, the first pivot of vertical setting is rotationally installed to portable base, the upper end coaxial coupling of first pivot has the driving gear, the output shaft coaxial coupling of motor in first pivot, the driving gear meshing in one driven gear.

Further, a roller is rotatably arranged in the liquid storage tank, the circumferential surface of the roller is connected with a plurality of stirring rods, and the motor is in transmission connection with the roller.

Further, the one end of roller bearing extends the outside of liquid reserve tank, the second pivot of vertical setting is rotationally installed to portable base, first pivot through synchronous belt connect in the second pivot, the second pivot pass through the gear assembly transmission connect in the one end of roller bearing.

Furthermore, the upper end of inserted bar is connected with the connecting plate, vertical through hole has been seted up to one side of connecting plate that keeps away from the inserted bar, the top of turnover case is erect and is equipped with the pole setting, the pole setting movably wears to locate in the vertical through hole, the jacking piece install in the connecting plate with between the top of turnover case.

Further, the jacking piece is coil spring, coil spring's hole movably cover is located the pole setting, coil spring's both ends connect respectively in the connecting plate with the top of turnover case.

Further, a delivery pump is installed in the liquid storage tank, a liquid inlet is formed in the top of the turnover box, the delivery pump is connected to one end of the liquid conveying pipe, and the other end of the liquid conveying pipe is connected to the liquid inlet.

The invention provides a modifier injection method, which comprises the following steps:

providing a conditioner injection device for winter frozen soil, moving the conditioner injection device to the upper part of the winter frozen soil, and injecting a conditioner into a liquid storage tank so that a drill is aligned with the frozen soil to be modified;

starting a motor to enable a drill bit to drill downwards and be injected into the frozen soil and extend into a soil body below the frozen soil;

closing the motor and detaching the locking piece, and enabling the jacking piece to jack the inserted rod upwards so that the lower end of the inserted rod retracts into the guide pore channel to open the lower end of the flow guide pore channel;

the liquid conveying pipe conveys the modifying agent in the liquid storage box into a turnover box and fills the modifying agent into a gap between an inner cavity of the threaded pipe and a flow guide hole of the drill bit and the inserted rod, so that the modifying agent is injected into a soil body below the frozen soil through the lower end of the flow guide hole.

The invention has the beneficial effects that after the soil is frozen, the drilling bit is driven by the motor to drill and inject the frozen soil into the soil below the frozen soil and pierce the frozen soil to extend into the soil below the frozen soil, then the modifying agent is injected into the unfrozen soil below the frozen soil through the flow guide channel of the drilling bit through the liquid conveying pipe, and in the process of drilling and piercing the frozen soil, due to the plugging of the inserted rod, the soil is blocked outside the lower end of the flow guide channel of the drilling bit, the piercing of the frozen soil shaft by the drilling bit is also ensured, the modifying agent can be smoothly injected into the soil below the frozen soil through the lower end of the flow guide channel, and the injection efficiency of the modifying agent is improved.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

fig. 1 is a schematic structural view of a conditioner injection apparatus for winter frozen soil according to an embodiment of the present invention.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a partially enlarged view of B in fig. 1.

Fig. 4 is a left side view of a conditioner injection apparatus for winter frozen soil according to an embodiment of the present invention.

Fig. 5 is a schematic view of an internal structure of a liquid storage tank according to an embodiment of the present invention.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1 to 5, the present invention provides an improver injection apparatus for frozen soil in winter, including: portable base 1, bore annotate subassembly 2, turnover case 3 and prevent stifled structure 4.

Specifically, a liquid storage tank 11 and a guide rod 12 are mounted on the upper portion of the movable base 1. The guide bar 12 is vertically disposed. The guide rod is arranged opposite to the liquid storage tank. The liquid storage tank is used for storing soil conditioners. A plurality of casters 13 are mounted to the lower portion of the mobile base 1. In this embodiment, the movable base is rectangular, and a plurality of casters are installed at four corners of the movable base respectively.

The drilling and grouting assembly 2 comprises a threaded sleeve 21, a threaded tube 22 and a drill bit 23. The threaded sleeve 21 is rotatably mounted vertically to the mobile base 1. The threaded sleeve is rotatable about its axis. The threaded pipe 22 is screwed into the threaded sleeve 21. The threaded sleeve is provided with an internal thread, the threaded pipe is provided with an external thread matched with the internal thread of the threaded sleeve, and the threaded pipe is screwed in the threaded sleeve. A drill bit 23 is coaxially connected to the lower end of the threaded pipe 22. A vertically through-going flow guide hole is formed in the drill 23. The upper end of the diversion pore canal is communicated with the inner cavity of the threaded pipe 22. The inner diameter of the flow guide pore passage is gradually reduced from top to bottom. The liquid storage tank 11 is provided with a motor 14.

The bottom and the top of the turnover box 3 are respectively provided with connecting holes with opposite positions. The connecting hole at the bottom of the turnover box 3 is connected with the upper end of a threaded pipe 22, and the inner cavity of the threaded pipe is communicated with the inside of the turnover box. The liquid storage tank 11 is connected to the transfer container 3 through a transfer tube 32. The liquid conveying pipe is used for conveying the modifying agent in the liquid storage box to the turnover box, and the modifying agent in the turnover box is filled in the threaded pipe. The connecting member 31 is connected to the outside of the container 3. The side of the connecting piece 31 far away from the turnover box 3 starts to be provided with a vertical guide hole. The guide rod 12 is movably arranged in the guide vertical hole in a penetrating way. The motor 14 is used to drive the threaded sleeve 21 to rotate about its own axis so as to raise and lower the threaded pipe.

The anti-clogging structure 4 comprises a plunger 41, a guide sleeve 42 and a jack 43. Specifically, the guide sleeve 42 is connected to a connecting hole at the top of the turnover box 3. In this embodiment, the guide sleeve is arranged coaxially with the threaded pipe and the drill bit. The middle part of the inserted rod 41 is inserted into the inner cavity of the threaded pipe and the flow guide pore canal of the drill, and the outer diameter of the inserted rod is respectively smaller than the inner diameters of the inner cavity and the flow guide pore canal, so that a gap 220 is formed between the middle part of the inserted rod 41 and the inner walls of the cavity and the flow guide pore canal. In this embodiment, the inner diameter of the inner cavity is adapted to the inner diameter of the upper end of the flow guide channel. The outer diameter of the upper end of the drill bit is adapted to the outer diameter of the threaded pipe. The diversion pore canal is in an inverted frustum shape. The lower end of the inserted rod 41 is detachably embedded in the lower end of the diversion tunnel to plug the lower end of the diversion tunnel. The upper end of the inserted rod 41 is movably inserted into the connecting holes at the bottom and the top of the turnover box and the guide sleeve 42, and the upper end of the inserted rod extends to the outside of the guide sleeve 42. A locking member 46 is removably mounted to the guide sleeve 42. The locking member is used to lock the upper end of the plunger 41. The lifters 43 are mounted between the upper ends of the insert rods 41 and the outer side walls of the turnover box 3. The jacking piece is used for jacking up the inserted bar. The lifting member 43 lifts the plunger 41 upward after the locking member 46 is removed, so that the lower end of the plunger 41 is retracted into the pilot hole to open the lower end of the pilot hole of the drill.

The working principle of the conditioner injection equipment for the frozen soil in winter provided by the invention is as follows:

a large amount of modifier is injected into the storage tank. And moving the modifying agent injecting device injected with the modifying agent to the upper part of the frozen soil to be modified. Starting the motor, the motor drives the threaded sleeve to rotate around the axis of the threaded sleeve, so that the threaded pipe moves downwards, and the drill bit is further pricked into the frozen soil layer and pierces the frozen coating to extend into the soil body below the frozen soil layer. In the process of puncturing the frozen soil layer by the drill bit, the inserted rod is embedded at the lower end of the flow guide pore channel of the drill bit, so that soil cannot enter the flow guide pore channel, and the flow guide pore channel cannot be blocked. After the motor is turned off, the locking piece is removed, the jacking piece jacks up the inserted rod, so that the inserted rod returns to the diversion pore channel, and the lower end of the diversion pore channel is opened to be communicated with the external soil body. The liquid storage box conveys the modifying agent to the turnover box through the liquid conveying pipe, the modifying agent in the turnover box is injected into the inner cavity of the threaded pipe and the flow guide through hole of the drill bit, and finally the modifying agent is injected into the soil body below the frozen soil layer through the lower end of the flow guide hole to modify the soil.

According to the conditioner injection device for the frozen soil in winter, after the soil is frozen, the drill bit is driven by the motor to be drilled and injected into the frozen soil and pierce the frozen soil to extend into the soil body below the frozen soil, then the conditioner is injected into the unfrozen soil body below the frozen soil through the flow guide hole of the drill bit through the liquid conveying pipe, and in the process of drilling and piercing the frozen soil, due to plugging of the insertion rod, the soil is blocked outside the lower end of the flow guide hole of the drill bit, the fact that the drill bit pierces the frozen soil shaft is also guaranteed, the conditioner can be smoothly injected into the soil body below the frozen soil through the lower end of the flow guide hole, and the injection efficiency of the conditioner is improved.

In this embodiment, the drill bit 23 is a high strength steel drill bit. The drilling and grouting component is provided with a plurality of sets, the drilling and grouting components are arranged on one side of the movable base, and the liquid storage tank is arranged on the other side of the movable base. The multiple sets of drilling and injecting components are arranged along the length direction of the liquid storage tank. Specifically, a plurality of through-holes have been seted up to one side of portable base 1, and a plurality of through-holes set up along the length direction of liquid reserve tank, and each through-hole is vertical to be set up. The through hole is arranged opposite to the liquid storage tank 11. The threaded sleeve 21 is mounted in the through hole by a bearing 212.

In the present embodiment, the plurality of through holes are provided at intervals in the longitudinal direction of the reservoir tank 11. The upper end of the threaded sleeve 21 extends to the upper part of the bearing 212. A driven gear 211 is coaxially connected to the upper end of the threaded sleeve 21. The driven gears 211 of the threaded sleeves 21 in the plurality of through holes are sequentially meshed together. The mobile base 1 is rotatably mounted with a vertically arranged first rotating shaft 15. Specifically, the first rotating shaft is mounted on the movable base through a bearing. The first rotating shaft is vertically arranged, and the middle of the first rotating shaft extends to the upper part of the movable base. The upper end of the first rotating shaft 15 is coaxially connected with a driving gear. The output shaft of the motor 14 is coaxially connected to the upper end of the first rotating shaft 15. The driving gear is meshed with the driven gear 211 at the upper end of the first threaded sleeve. The motor drives the threaded sleeves to rotate simultaneously, so that the threaded pipes ascend or descend simultaneously; the threaded pipe is lowered by the reverse rotation of the motor.

In a preferred embodiment, the tank is used to store a large amount of the modifying agent, and the roller 111 is rotatably mounted in the tank 11 for uniform mixing of the modifying agent. A plurality of stirring rods 112 are connected to the circumferential surface of the roller 111. The motor 14 is drivingly connected to the roller 111 so that the agitator bar is constantly agitating the agent.

In a preferred embodiment, one end of the roller 111 extends to the outside of the tank 11. The second rotating shaft 16 of vertical setting is rotationally installed to portable base 1, and first pivot 15 passes through synchronous belt 153 and connects in second pivot 16, second pivot 16 pass through the gear assembly transmission connect in the one end of roller 111.

In this embodiment, the mobile base is rotatably mounted with a second shaft 16 via a bearing. The installation mode of the second rotating shaft and the first rotating shaft is the same as that of the threaded sleeve, so the details are not repeated herein. The middle part coaxial arrangement of first pivot has first belt pulley, and the upper end of second pivot is installed in the second belt pulley, and first belt pulley passes through synchronous belt 153 to be connected in the second belt pulley in order to drive the rotation of second pivot. The second rotation is in transmission connection with the roller through a gear assembly. Specifically, the end of the upper end of the second rotating shaft is coaxially connected with a first helical gear 154, one end of the roller extends to the outer side of the liquid storage tank and is coaxially connected with a second helical gear 155, and the second helical gear is meshed with the first helical gear to drive the roller to rotate.

In a preferred embodiment, the liquid storage tank is provided with a liquid injection port. The liquid storage tank 11 is provided with a feed pump 113. A liquid inlet is arranged at the top of the turnover box 3. The delivery pump 113 is connected to one end of the infusion tube 32, and the other end of the infusion tube 32 is connected to a liquid inlet of the circulation box.

In this embodiment, the infusion tube is a flexible tube. The other end of the transfusion tube is connected with a liquid inlet of the turnover box through a plurality of branch tubes.

In a preferred embodiment, as shown in fig. 2 and 4, a connecting plate 45 is connected to the upper end of the plunger 41. One side of the connecting plate 45, which is far away from the insertion rod 41, is provided with a vertical through hole. The top of the turnover box 3 is vertically provided with a vertical rod 44. The vertical rod 44 is movably inserted into the vertical through hole. The jack 43 is mounted between the connecting plate 45 and the top of the turnaround 3.

The jack 43 is a coil spring. The inner hole of the spiral spring is movably sleeved on the vertical rod. Both ends of the coil spring are connected to the connecting plate 45 and the top of the turnover box 3, respectively.

In this embodiment, the side wall of the guide sleeve is provided with a first locking hole, and the upper end of the inserted link is provided with a second locking hole. The locking piece is a bolt. The bolt is detachably inserted into the first lock hole and the second lock hole to lock the upper end of the inserted rod. After the bolt is pulled out, the spiral spring upwards jacks the connecting plate, so that the upper end of the inserted rod connected to the connecting plate is upwards lifted, and the lower end of the inserted rod is separated from the lower end of the flow guide hole channel to open the lower end of the flow guide hole channel.

The connecting pieces connected to the outer sides of the turnover boxes are strip-shaped plates, and the two opposite sides of each strip-shaped plate are respectively connected to the two adjacent turnover boxes. The vertical guide hole is arranged at one end of the strip-shaped plate, which is far away from the turnover box.

s1: the above-described improver injection apparatus for winter frozen soil is provided, the improver injection apparatus is moved to the upper portion of the winter frozen soil, and the improver is injected into the reservoir 11 such that the drill 23 is aligned with the frozen soil to be improved.

S2: the motor 14 is activated and the motor is rotated in a forward direction to cause the drill bit 23 to drill down into the frozen soil and pierce the frozen soil to extend into the soil below the frozen soil.

S3: the motor 14 is turned off and the locking member 46 is removed, and the lifting member 43 pushes up the plunger 41 so that the lower end of the plunger 41 is retracted into the pilot hole to open the lower end of the pilot hole.

S4: the liquid conveying pipe 32 conveys the modifying agent in the liquid storage tank 11 into the turnover box 3 and fills the inner cavity of the threaded pipe 22 and the gap 220 between the diversion tunnel of the drilling head 23 and the inserted rod, so that the modifying agent is injected into the soil body below the frozen soil through the lower end of the diversion tunnel.

After the modifier is injected into the soil body, the motor is started, the motor is enabled to rotate reversely, so that the threaded pipe rises, and the drill bit exits from the soil body below the movable base.

In the process of injecting the modifying agent, the motor drives the roller in the liquid storage box to rotate through the synchronous belt and the gear assembly, so that the stirring rod continuously stirs a large amount of modifying agent in the liquid storage box, the uniform mixing of each component of the modifying agent is ensured, and the utility of the modifying agent is provided.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. An amendment injection apparatus for use in winter frozen soil, comprising:

2. An improver injecting apparatus for frozen soil in winter as set forth in claim 1, wherein said drill is tapered, and a spiral blade is formed at an outer portion of said drill.

3. A conditioner injection apparatus for winter frozen soil according to claim 1, wherein the movable base is formed with a through hole disposed opposite to the reservoir, and the screw sleeve is installed in the through hole through a bearing.

4. A conditioner injection apparatus for frozen soil in winter as claimed in claim 3, wherein the number of said through holes is plural, plural said through holes are provided at intervals along the length direction of said reservoir, the upper end of said screw sleeve extends to the outside of said bearing, the upper end of said screw sleeve is coaxially connected with a driven gear, plural said driven gears of the screw sleeve in the through holes are engaged together in turn, said movable base is rotatably mounted with a vertically arranged first rotating shaft, the upper end of said first rotating shaft is coaxially connected with a driving gear, the output shaft of said motor is coaxially connected to said first rotating shaft, said driving gear is engaged with one said driven gear.

5. A conditioner injection apparatus for winter frozen soil according to claim 4, wherein a roller is rotatably installed in the tank, a plurality of stirring rods are connected to a circumferential surface of the roller, and the motor is drivingly connected to the roller.

6. A conditioner injection apparatus for winter frozen soil according to claim 5, wherein one end of the roller extends to the outside of the reservoir, the movable base is rotatably mounted with a vertically disposed second shaft, the first shaft is connected to the second shaft through a timing belt, and the second shaft is drivingly connected to one end of the roller through a gear assembly.

7. A conditioner injection apparatus for winter frozen soil according to claim 1, wherein the upper end of the insertion rod is connected with a connecting plate, one side of the connecting plate, which is far away from the insertion rod, is provided with a vertical through hole, the top of the turnover box is vertically provided with an upright rod, the upright rod is movably inserted into the vertical through hole, and the jacking member is installed between the connecting plate and the top of the turnover box.

8. A conditioner injection apparatus for winter frozen soil according to claim 7, wherein said lifting member is a coil spring, an inner hole of said coil spring is movably sleeved on said vertical rod, and both ends of said coil spring are respectively connected to said connecting plate and the top of said turnover box.

9. The conditioner injection apparatus for winter frozen soil according to claim 1, wherein a transfer pump is installed in the liquid storage tank, a liquid inlet is opened at the top of the turnover box, the transfer pump is connected to one end of the liquid transfer tube, and the other end of the liquid transfer tube is connected to the liquid inlet.

10. A modifier injection method is characterized by comprising the following steps:

providing an amendment injection apparatus for winter frozen soil according to any one of claims 1 to 9, moving the amendment injection apparatus to an upper portion of the winter frozen soil, and injecting amendment into the reservoir such that the drill is aligned with the frozen soil to be amended;