阅读说明：本技术 一种环保型防渗施工用水泥高压旋喷装置及其防渗方法 (Environment-friendly cement high-pressure rotary spraying device for seepage-proofing construction and seepage-proofing method thereof ) 是由 王方 赵广新 孟凡军 高长国 王久桥 于 2021-10-18 设计创作，主要内容包括：本发明涉及钻进领域,具体涉及一种环保型防渗施工用水泥高压旋喷装置及其防渗方法。旋喷机构配置成在向上移动时接收输送高压水泥,并在外接驱动装置带动下转动。转动壳体周壁上均有喷料孔,以将水泥沿转动壳体的沿径向方向向外喷出。每个钻探环上的第一铰接点相邻的两个钻探连杆中的其中一个钻探连杆的下端向下延伸出钻探板。调节组件设置在转动壳体内,转动壳体通过调节组件带动钻探环组转动,调节组件用于在钻探环组内侧的钻探环钻探受阻时,带动钻探环组上的第一铰接点向内移动,在钻探环组外侧的钻探环钻探受阻时,带动钻探环环上的第一铰接点向外移动,使得钻探装置自适应能力提高,解决了钻探装置在钻探时容易卡死的现象。(The invention relates to the field of drilling, in particular to an environment-friendly cement high-pressure rotary spraying device for seepage-proofing construction and a seepage-proofing method thereof. The rotary spraying mechanism is configured to receive and convey high-pressure cement when moving upwards and rotate under the driving of an external driving device. The peripheral wall of the rotating shell is provided with material spraying holes so as to spray cement outwards along the radial direction of the rotating shell. The lower end of one of the two drilling connecting rods adjacent to the first hinge point on each drilling collar extends downward out of the drilling plate. The adjusting part sets up in rotating the casing, rotates the casing and passes through adjusting part drive probing ring group and rotate, and adjusting part is used for when probing ring probing of probing ring group inboard is obstructed, drives the first pin joint rebound on the probing ring group, and when probing ring probing outside the probing ring group is obstructed, drives the first pin joint rebound on the probing ring, makes drilling rig self-adaptation ability improve, has solved the easy dead phenomenon of card of drilling rig when the probing.)

1. The utility model provides an environment-friendly prevention of seepage construction is with cement high pressure jet grouting device which characterized in that: the method comprises the following steps:

the rotary spraying mechanism is rotatably arranged and is configured to receive and convey high-pressure cement when moving upwards and rotate under the driving of the external driving device;

the rotating shell is in a barrel shape with a downward opening; the rotary shell is arranged on the rotary spraying mechanism; the peripheral wall of the rotating shell is provided with material spraying holes which are communicated with a cement outlet of the rotary spraying mechanism so as to spray cement from the rotary spraying mechanism outwards along the radial direction of the rotating shell;

the drilling shaft is vertically arranged at the axis of the rotating shell, can slide up and down along the axis of the rotating shell and is driven by the rotary spraying mechanism to rotate;

the drilling ring group is composed of a plurality of coaxial drilling rings which are positioned on the same level, the drilling ring group is sleeved on the drilling shaft, each drilling ring is composed of drilling connecting rods hinged end to end, the hinge points on the drilling rings are respectively a first hinge point and a second hinge point which are arranged at intervals, and the distance between the first hinge point and the drilling shaft is smaller than the distance between the second hinge point and the drilling shaft; the extended line of the connecting line of the first hinge points on two adjacent drilling rings passes through the axis of the drilling shaft; the lower end of one of the two drilling connecting rods adjacent to the first hinge point on each drilling ring extends downwards to form a drilling plate, and the drilling plate is used for pushing soil outwards when the drilling assembly drills downwards;

the adjusting part, the adjusting part sets up in rotating the casing, rotates the casing and passes through adjusting part drive probing ring group and rotate, and the adjusting part is used for when the probing ring of probing ring group inboard is obstructed, drives the first pin joint on the probing ring group and moves inwards, when the probing ring outside the probing ring group is obstructed, drives the first pin joint on the probing ring and moves outwards.

2. The environment-friendly seepage-proofing construction cement high-pressure rotary spraying device as claimed in claim 1, wherein:

the adjusting assembly comprises an inner mounting table, an outer mounting table, a plurality of adjusting rings and a plurality of synchronizing rods; the inner mounting platform is disc-shaped and is fixedly sleeved on the drilling shaft, and a plurality of inner sliding chutes extending along the radial direction are uniformly distributed on the inner mounting platform in the circumferential direction; the outer mounting table is in an annular disc shape, can be sleeved on the inner mounting table in a vertically sliding mode, is fixedly connected with the rotating shell at the outer edge, is uniformly distributed with a plurality of outer sliding grooves extending along the radial direction in the circumferential direction, and is communicated with one inner sliding groove; each synchronous rod is arranged in one corresponding inner chute and one corresponding outer chute; the synchronous rod is a telescopic rod, a sliding groove extending along the length direction is formed in the synchronous rod, the inner end of the synchronous rod is hinged to the drilling shaft, and the outer end of the synchronous rod is hinged to the rotating shell; a plurality of first hinge points on the extension line in the same radial direction are slidably arranged in the sliding groove of one synchronizing rod; the adjusting rings are fixedly sleeved on the drilling shaft from top to bottom in sequence, and each adjusting ring is hinged with the first hinge points of one drilling ring through the hinge connecting rods.

3. The environment-friendly seepage-proofing construction cement high-pressure rotary spraying device as claimed in claim 2, characterized in that:

the adjusting assembly further comprises a plurality of tensioning rods; an inner sliding frame is arranged below the inner sliding chute and extends along the direction of the chute body of the inner sliding chute; each first hinge point extends upwards to form a sliding sleeve rod; an outer sliding frame is arranged below the outer sliding chute and extends along the direction of the chute body of the outer sliding chute; the outer end of the inner sliding frame is contacted with the inner end of the outer sliding frame, and the inner sliding frame is communicated with the outer sliding frame and is positioned on the same horizontal plane; the sliding sleeve rod is slidably arranged and inserted in the inner sliding frame and the outer sliding frame; each tensioning rod is vertically arranged and can be slidably arranged in a sliding groove of one synchronizing rod; the upper end of each tension rod is hinged to a hinged connecting rod, the lower end of each tension rod is inserted into a sliding sleeve rod in a vertically sliding mode, and a tension spring is fixedly connected between each tension rod and the corresponding sliding sleeve rod and used for enabling the drilling connecting rod to be in a state of being in contact with the inner sliding frame and the outer sliding frame all the time.

4. The environment-friendly seepage-proofing construction cement high-pressure rotary spraying device as claimed in claim 1, wherein:

the rotary spraying mechanism comprises a high-pressure cylinder; the high-pressure cylinder is vertically arranged, extends downwards from the upper part of the rotating shell and can be inserted on the rotating shell in a vertically sliding manner; the lower end of the high-pressure cylinder extends downwards to form an outer conical surface, and the lower end of the outer conical surface is contacted with the inner wall of the rotating shell; an inner conical surface is arranged below the outer conical surface; the inner conical surface and the outer conical surface are coaxially arranged, a gap is reserved between the inner conical surface and the outer conical surface, the upper end of the inner conical surface is fixedly connected with the high-pressure cylinder through a fixing frame, the lower end of the inner conical surface is contacted with the inner wall of the rotating shell, and the lower end outlet of the gap between the inner conical surface and the outer conical surface corresponds to the material spraying hole.

5. The environment-friendly seepage-proofing construction cement high-pressure rotary spraying device as claimed in claim 4, wherein:

the drilling shaft is positioned at the lower end of the inner conical surface, and the upper end of the drilling shaft is fixedly connected with the upper end of the inner conical surface.

6. The environment-friendly seepage-proofing construction cement high-pressure rotary spraying device as claimed in claim 5, wherein:

the lower end of the drilling shaft extends vertically downward out of the drill bit.

7. The environment-friendly seepage-proofing construction cement high-pressure rotary spraying device as claimed in claim 1, wherein:

the outer wall of the drilling shaft positioned outside the rotating shell is provided with a packing auger blade; a spiral feeding plate is arranged on the outer wall of the rotating shell; the broken clods are conveyed upwards by the auger blades and the spiral feeding plate.

8. The environment-friendly seepage-proofing construction cement high-pressure rotary spraying device as claimed in claim 4, wherein:

the fixing frame comprises a fixing column and a guide surface; the guide surface is fixedly connected with the inner conical surface and protrudes upwards to form a semi-spherical structure; the lower end of the fixing column is fixedly connected with the axis of the guide surface, and the upper end of the fixing column extends out of the fixing rod along the horizontal direction and is fixedly connected with the inner wall of the high-pressure cylinder.

9. The environment-friendly seepage-proofing construction cement high-pressure rotary-spraying seepage-proofing method for the seepage-proofing construction of any one of claims 1 to 8 is characterized in that: the method comprises the following steps:

s1, the high-pressure cylinder rotates to drive the drilling component to synchronously rotate and drill downwards;

s2, introducing the cement into the high-pressure cylinder under high pressure, and driving the rotating shell to rotate by the high-pressure cylinder so that the cement is sprayed outwards in a rotating way along the spraying holes;

s3, smashing the soil blocks by the drilling plate at the lower end of the drilling ring, and pushing the smashed soil blocks out of the outer side of the rotating shell; the auger blade and the spiral feeding plate convey the crushed soil blocks pushed out by the drilling plate upwards;

s4, when the drilling in the middle of the drilling ring group is blocked, the inner mounting table is higher than the outer mounting table, so that the first hinge point on the drilling ring slides inwards, and the drilling plate is further concentrated inwards; when drilling is obstructed outside the drilling collar, the outer mounting table is higher than the inner mounting table, causing the first hinge point on the drilling collar to slide inward, thereby causing the drilling plate to move outward.

Technical Field

The invention relates to the field of drilling, in particular to an environment-friendly cement high-pressure rotary spraying device for seepage-proofing construction and a seepage-proofing method thereof.

Background

And in the seepage-proofing construction process of the foundation, a cement seepage-proofing wall needs to be built inside the foundation at the seepage-proofing position. Need punch the ground earlier in the work progress, the comparatively hard part of soil property such as stone, hard soil can be touched in the process of punching, when this part is touched in drill bit only partly, often can lead to efficiency of marcing to slow down, skew predetermined track, damage equipment scheduling problem, consequently need one kind can come adaptation cutting knife quantity and shape according to the soft or hard degree of soil property in order to keep advancing speed, maintain predetermined track, do not harm the drilling equipment of equipment.

Disclosure of Invention

The invention provides an environment-friendly cement high-pressure rotary spraying device for seepage-proofing construction, which aims to solve the problem that the existing device is easy to block when drilling downwards.

The invention relates to an environment-friendly cement high-pressure rotary spraying device for seepage-proofing construction, which adopts the following technical scheme:

an environment-friendly cement high-pressure rotary spraying device for seepage-proofing construction comprises a rotary spraying mechanism, a rotating shell, a drilling shaft, a drilling ring group and an adjusting component; the rotary spraying mechanism is rotatably arranged and is configured to receive and convey high-pressure cement when moving upwards and rotate under the driving of the external driving device; the rotating shell is in a barrel shape with a downward opening; the rotary shell is arranged on the rotary spraying mechanism; the peripheral wall of the rotating shell is provided with material spraying holes which are communicated with a cement outlet of the rotary spraying mechanism so as to spray cement from the rotary spraying mechanism outwards along the radial direction of the rotating shell; the drilling shaft is vertically arranged at the axis of the rotating shell, can slide up and down along the axis of the rotating shell and is driven by the rotary spraying mechanism to rotate; the drilling ring group is composed of a plurality of coaxial drilling rings which are positioned on the same level, the drilling ring group is sleeved on the drilling shaft, each drilling ring is composed of drilling connecting rods hinged end to end, hinge points on the drilling rings are respectively a first hinge point and a second hinge point which are arranged at intervals, and the distance between the first hinge point and the drilling shaft is smaller than the distance between the second hinge point and the drilling shaft; the extended line of the connecting line of the first hinge points on two adjacent drilling rings passes through the axis of the drilling shaft; the lower end of one of the two drilling connecting rods adjacent to the first hinge point on each drilling ring extends downwards to form a drilling plate, and the drilling plate is used for pushing soil outwards when the drilling assembly drills downwards; the adjusting part sets up in rotating the casing, rotates the casing and passes through adjusting part drive probing ring group and rotate, and adjusting part is used for when the probing of the probing ring of probing ring group inboard is obstructed, drives the first pin joint on the probing ring group and moves to the inside, when the probing of the probing ring outside the probing ring group is obstructed, drives the first pin joint on the probing ring and encircles and moves to the outside.

Further, the adjusting assembly comprises an inner mounting table, an outer mounting table, a plurality of adjusting rings and a plurality of synchronizing rods; the inner mounting platform is disc-shaped and is fixedly sleeved on the drilling shaft, and a plurality of inner sliding chutes extending along the radial direction are uniformly distributed on the inner mounting platform in the circumferential direction; the outer mounting table is in an annular disc shape, can be sleeved on the inner mounting table in a vertically sliding mode, is fixedly connected with the rotating shell at the outer edge, is uniformly distributed with a plurality of outer sliding grooves extending along the radial direction in the circumferential direction, and is communicated with one inner sliding groove; each synchronous rod is arranged in one corresponding inner chute and one corresponding outer chute; the synchronous rod is a telescopic rod, a sliding groove extending along the length direction is formed in the synchronous rod, the inner end of the synchronous rod is hinged to the drilling shaft, and the outer end of the synchronous rod is hinged to the rotating shell; a plurality of first hinge points on the extension line in the same radial direction are slidably arranged in the sliding groove of one synchronizing rod; the adjusting rings are fixedly sleeved on the drilling shaft from top to bottom in sequence, and each adjusting ring is hinged with the first hinge points of one drilling ring through the hinge connecting rods.

Further, the adjusting assembly further comprises a plurality of tension rods; an inner sliding frame is arranged below the inner sliding chute and extends along the direction of the chute body of the inner sliding chute; each first hinge point extends upwards to form a sliding sleeve rod; an outer sliding frame is arranged below the outer sliding chute and extends along the direction of the chute body of the outer sliding chute; the outer end of the inner sliding frame is contacted with the inner end of the outer sliding frame, and the inner sliding frame is communicated with the outer sliding frame and is positioned on the same horizontal plane; the sliding sleeve rod is slidably arranged and inserted in the inner sliding frame and the outer sliding frame; each tensioning rod is vertically arranged and can be slidably arranged in a sliding groove of one synchronizing rod; the upper end of each tension rod is hinged to a hinged connecting rod, the lower end of each tension rod is inserted into a sliding sleeve rod in a vertically sliding mode, and a tension spring is fixedly connected between each tension rod and the corresponding sliding sleeve rod and used for enabling the drilling connecting rod to be in a state of being in contact with the inner sliding frame and the outer sliding frame all the time.

Further, the rotary spraying mechanism comprises a high-pressure cylinder; the high-pressure cylinder is vertically arranged, extends downwards from the upper part of the rotating shell and can be inserted on the rotating shell in a vertically sliding manner; the lower end of the high-pressure cylinder extends downwards to form an outer conical surface, and the lower end of the outer conical surface is contacted with the inner wall of the rotating shell; an inner conical surface is arranged below the outer conical surface; the inner conical surface and the outer conical surface are coaxially arranged, a gap is reserved between the inner conical surface and the outer conical surface, the upper end of the inner conical surface is fixedly connected with the high-pressure cylinder through a fixing frame, the lower end of the inner conical surface is contacted with the inner wall of the rotating shell, and the lower end outlet of the gap between the inner conical surface and the outer conical surface corresponds to the material spraying hole.

Furthermore, the drilling shaft is positioned at the lower end of the inner conical surface, and the upper end of the drilling shaft is fixedly connected with the upper end of the inner conical surface.

Further, the lower end of the drilling shaft extends vertically downward out of the drill bit.

Further, auger blades are arranged on the outer wall of the drilling shaft positioned outside the rotating shell; a spiral feeding plate is arranged on the outer wall of the rotating shell; the broken clods are conveyed upwards by the auger blades and the spiral feeding plate.

Further, the fixing frame comprises a fixing column and a guide surface; the guide surface is fixedly connected with the inner conical surface and protrudes upwards to form a semi-spherical structure; the lower end of the fixing column is fixedly connected with the axis of the guide surface, and the upper end of the fixing column extends out of the fixing rod along the horizontal direction and is fixedly connected with the inner wall of the high-pressure cylinder.

An environment-friendly cement high-pressure rotary-spraying anti-seepage method for anti-seepage construction comprises the following steps:

s1, the high-pressure cylinder rotates to drive the drilling component to synchronously rotate and drill downwards;

s2, introducing the cement into the high-pressure cylinder under high pressure, and driving the rotating shell to rotate by the high-pressure cylinder so that the cement is sprayed outwards in a rotating way along the spraying holes;

s3, smashing the soil blocks by the drilling plate at the lower end of the drilling ring, and pushing the smashed soil blocks out of the outer side of the rotating shell; the auger blade and the spiral feeding plate convey the crushed soil blocks pushed out by the drilling plate upwards;

s4, when the drilling in the middle of the drilling ring group is blocked, the inner mounting table is higher than the outer mounting table, so that the first hinge point on the drilling ring slides inwards, and the drilling plate is further concentrated inwards; when drilling is obstructed outside the drilling collar, the outer mounting table is higher than the inner mounting table, causing the first hinge point on the drilling collar to slide inward, thereby causing the drilling plate to move outward.

The invention has the beneficial effects that: the invention relates to an environment-friendly cement high-pressure rotary jetting device for seepage-proofing construction and a seepage-proofing method thereof. When the hard object is located the drilling ring group outside, the drilling board moves to the outside, and the drilling ring group that makes improves to outside crushing efficiency, and the adjusting part is then through adjusting broken ring for drilling rig self-adaptation ability improves, has solved drilling rig and has blocked dead phenomenon easily when the drilling. Auger blades and auger plates convey the crushed clods upward to prevent further downward drilling from affecting the drilling assembly.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of an environment-friendly anti-seepage cement high-pressure rotary spraying device for anti-seepage construction and an anti-seepage method thereof;

FIG. 2 is a top view of an embodiment of the cement high-pressure rotary spraying device for environment-friendly impermeable construction and the impermeable method thereof;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a horizontal sectional view of an embodiment of the cement high-pressure rotary spraying device for environment-friendly impermeable construction and the impermeable method thereof according to the present invention;

FIG. 5 is an exploded view of an embodiment of the cement high-pressure rotary spraying device for environment-friendly impermeable construction and the impermeable method thereof;

FIG. 6 is a schematic structural diagram of a rotary spraying mechanism in an embodiment of the environmentally-friendly anti-seepage cement high-pressure rotary spraying device for anti-seepage construction and an anti-seepage method thereof in the invention;

FIG. 7 is an enlarged view of a portion of FIG. 6 at B;

FIG. 8 is a schematic structural diagram of the interior of a rotating casing in an embodiment of the environmentally-friendly anti-seepage cement high-pressure rotary spraying device for anti-seepage construction and the anti-seepage method thereof of the invention;

FIG. 9 is a schematic structural diagram of a drilling ring according to an embodiment of the environment-friendly anti-seepage cement high-pressure rotary spraying device for anti-seepage construction and an anti-seepage method thereof;

FIG. 10 is a schematic structural diagram of a synchronous rod of an embodiment of the environmentally-friendly anti-seepage cement high-pressure rotary spraying device for anti-seepage construction and an anti-seepage method thereof;

in the figure: 11. a high pressure barrel; 12. a screw blade; 13. a spline; 21. a fixed mount; 211. an inner sliding frame; 212. fixing a column; 213. a material guiding surface; 214. an outer conical surface; 215. a drilling shaft; 216. an inner mounting table; 217. an inner hinged seat; 218. an inner conical surface; 22. rotating the housing; 221. an outer sliding frame; 222. an upper cover body; 225. a spline groove; 226. an outer mounting table; 227. an outer hinged seat; 228. a screw feeding plate; 31. a material spraying hole; 32. a drill bit; 40. a drilling annulus set; 41. a hinged connecting rod; 42. drilling a drilling plate; 43. a tension bar; 44. a synchronization lever; 441. an external hinged interface; 442. a telescopic part; 443. a sliding groove; 444. an inner hinge interface; 45. a drilling connecting rod; 46. a sliding hinge block; 47. an adjusting ring.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The embodiment of the invention relates to an environment-friendly cement high-pressure rotary spraying device for seepage-proofing construction, which is shown in figures 1 to 10 and comprises a rotary spraying mechanism, a rotating shell 22, a drilling shaft 215, a drilling ring group 40 and an adjusting component. The rotary spraying mechanism is rotatably arranged and configured to receive and convey high-pressure cement when moving upwards, and rotate under the driving of the external driving device, so that the rotary spraying mechanism rotates upwards and moves to spray out high-pressure cement when the device finishes downward drilling. The rotary casing 22 is in the shape of a barrel with a downward opening, and the rotary casing 22 is mounted on the rotary spraying mechanism. The circumferential wall of the rotating shell 22 is provided with material spraying holes 31, the material spraying holes 31 are communicated with a cement outlet of the rotary spraying mechanism so as to spray cement from the rotary spraying mechanism outwards along the radial direction of the rotating shell 22, and the cement sprayed by rotation enables the sprayed cement to be more uniform. The drilling shaft 215 is vertically disposed at the axial center of the rotating housing 22, and can slide up and down along the axial center of the rotating housing 22 for rotating under the driving of the rotary spraying mechanism. The drilling ring group 40 is composed of a plurality of coaxial and similar drilling rings which are on the same level, specifically, the number of the drilling rings is three, the diameters of the drilling rings are gradually increased from inside to outside, the drilling ring group 40 is sleeved on the drilling shaft 215, each drilling ring is composed of a plurality of drilling connecting rods 45 which are hinged end to end, the number of the drilling connecting rods 45 is twelve, a plurality of hinge points on the drilling rings are respectively a plurality of first hinge points and a plurality of second hinge points which are arranged at intervals, the distance between each first hinge point and the corresponding drilling shaft 215 is smaller than that between each second hinge point and the corresponding drilling shaft 215, each drilling ring is of a hexagonal star structure, the included angle between each two drilling connecting rods 45 relative to each first hinge point is 60 degrees, and the diameter of the circumscribed circle of each drilling ring is the same as the diameter of the inscribed circle of the adjacent drilling ring on the outer side of each drilling ring. An extension line of a connecting line of first hinge points on two adjacent drilling rings passes through the axis of the drilling shaft 215, the lower end of one drilling connecting rod 45 of the two drilling connecting rods 45 adjacent to the first hinge point on each drilling ring extends downwards to form a drilling plate 42, the drilling plate 42 is used for pushing soil outwards when the drilling assembly drills downwards, the drilling plate 42 is used for rotating the drilling rings to play a role of drilling downwards, and meanwhile, soil blocks crushed by the drilling plate 42 are pushed outwards, so that the device drills downwards more smoothly. The adjusting component is arranged in the rotating shell 22, the rotating shell 22 drives the drilling ring group 40 to rotate through the adjusting component, the adjusting component is used for driving a first hinge point on the drilling ring group 40 to move inwards when drilling ring detection on the inner side of the drilling ring group 40 is blocked, and the first hinge point on the drilling ring is driven to move outwards when drilling ring detection on the outer side of the drilling ring group 40 is blocked.

In operation, the rotary jetting mechanism drives the rotary housing 22 to rotate clockwise, and the rotary housing 22 drives the drilling ring assembly 40 to rotate clockwise via the adjustment assembly. The drilling ring set 40 rotates to drive the device to drill downwards, the drilling plate 42 crushes the soil blocks, and the crushed soil blocks are pushed outwards along the clockwise direction. The device is driven by the drilling ring group 40 to continuously move downwards for drilling, after drilling is completed, the rotary spraying mechanism rotates anticlockwise, lifts upwards, the rotary spraying mechanism applies high pressure to spray outwards, cement is sprayed out from the material spraying hole 31 after being applied with high pressure by the rotary spraying mechanism, and the rotary shell 22 which rotates continuously uniformly sprays the cement on the inner wall of a hole drilled downwards.

When the drill ring set 40 is drilled down to encounter a hard object. When the hard object is located at the inner side of the drilling ring group 40, the rotation of the drilling ring at the inner side is blocked, the drilling ring at the inner side of the drilling ring group 40 cannot continuously drill downwards, and the height difference occurs at the inner side and the outer side of the drilling ring group 40, so that the first hinge point on the drilling ring group 40 is driven to contract inwards under the driving of the belt adjusting assembly, all the drilling rings contract, and the integral crushing resistance is reduced. The drilling plates 42 are driven by the drilling rings to move inwards, so that the drilling power is concentrated inwards, the crushing efficiency of the drilling ring group 40 on the inner side is improved, hard objects are crushed, and downward drilling is continued.

When the hard object is located outside the drilling ring group 40, the drilling plate 42 moves outwards, the area difference of the inner circle and the outer circle of the drilling ring becomes small, the drilling power is reduced, the crushing position of the drilling ring group 40 moves outwards, so that the drilling power of the drilling ring group 40 to the outside of the drilling ring is improved, and the drilling speed is further improved. When all the drilling rings are expanded, the radius of the inner and outer circles of each drilling ring is reduced, if the outer side meets a larger hard object, the drilling plate 42 can cut a part of the drilling plate in an annular manner, and then the rest part is pulled into the drilling assembly 40 to be crushed, so that the hard object is prevented from blocking the material spraying hole 31 in the rotary spraying process, and the effect of spraying cement is further influenced.

In the present embodiment, as shown in fig. 1-10, the adjustment assembly includes an inner mounting stage 216, an outer mounting stage 226, a plurality of adjustment rings 47, and a plurality of synchronization rods 44. The inner mounting platform 216 is disc-shaped, and is fixedly sleeved on the drilling shaft 215, a plurality of inner sliding grooves extending along the radial direction are uniformly distributed on the inner mounting platform 216 in the circumferential direction, and an inner hinge seat 217 is fixed at one end of each inner sliding groove close to the drilling shaft 215. The outer mounting platform 226 is in the shape of an annular disk, and is slidably sleeved on the inner mounting platform 216 up and down, and the outer edge of the outer mounting platform is fixedly connected with the rotating shell 22, a plurality of outer sliding grooves extending along the radial direction are uniformly distributed on the outer mounting platform 226 in the circumferential direction, an outer hinge base 227 is fixed on one end of each outer sliding groove close to the rotating shell 22, each outer sliding groove is communicated with one inner sliding groove, the inner mounting platform 216 and the outer mounting platform 226 are in the same horizontal plane in the initial state, and the outer side of the inner mounting platform 216 is in contact with the inner side of the outer mounting platform 226. The synchronous rod 44 is a telescopic rod, and the synchronous rod 44 is provided with a sliding groove 443 extending along the length direction, specifically, the synchronous rod 44 is provided with a telescopic part 442, the telescopic part 442 is a telescopic structure and is arranged at the outer end of the synchronous rod, each synchronous rod 44 is installed in a corresponding inner sliding groove and an outer sliding groove, the inner end of the synchronous rod 44 is hinged to the drilling shaft 215, specifically, the inner end of the synchronous rod 44 is provided with an inner hinge opening 444, and the inner hinge opening 444 is hinged to the inner hinge base 217; the outer end is hinged to the rotating shell 22, and specifically, the outer end of the synchronizing rod 44 is provided with an outer hinge interface 441, and the outer hinge buckle is hinged to the outer hinge seat 227. A plurality of first hinge points, which are located in the same radial extension, are slidably mounted on one of the synchronization rods 44. A plurality of adjusting rings 47 are fixedly sleeved on the drilling shaft 215 from top to bottom in sequence, each adjusting ring 47 is hinged to a plurality of first hinge points of one drilling ring through a hinge connecting rod 41, specifically, the number of the adjusting rings 47 is three, six hinge shafts are uniformly distributed on each adjusting ring 47 in the circumferential direction, the upper end of each cross connecting rod is hinged to one hinge shaft on the adjusting ring 47, and the lower end of each cross connecting rod is hinged to one first hinge point. The adjusting ring 47 at the lowermost end is connected to the innermost drilling ring by means of the hinge connection rod 41, the adjusting ring 47 in the middle is connected to the middle drilling ring by means of the hinge connection rod 41, and the adjusting ring 47 at the uppermost end is connected to the outermost drilling ring by means of the hinge connection rod 41.

When drilling inside the drill collar assembly 40 is obstructed, the inner mounting block 216 is obstructed from advancing downward, the inner mounting block 216 moves upward relative to the outer mounting block 226, and the drilling shaft 215 moves upward relative to the swivel housing 22. The inner end of the synchronous rod 44 is raised continuously, the synchronous rod 44 rotates clockwise with the inner hinge seat 217 as the axis, and the synchronous rod 44 is stretched and lengthened to drive the first hinge point to move towards the drilling shaft 215. Similarly, when drilling outside the drilling rig is blocked, the synchronization rod 44 rotates counterclockwise around the outer hinge seat 227 to drive the first hinge point to move toward the rotating housing 22.

In this embodiment, as shown in fig. 3 to 10, the adjusting assembly further includes a plurality of tightening rods 43, an inner sliding frame 211 is disposed below the inner sliding groove, and the inner sliding frame 211 extends along the groove body direction of the inner sliding groove, specifically, the inner sliding frame 211 is composed of two long rods parallel to each other. Each first hinge point extends upwards to form a sliding sleeve rod which is of a hollow tubular structure, and the lower end of the sliding sleeve rod is fixed at the first hinge point; the below of outer spout is equipped with outer carriage 221, and outer carriage 221 extends along the cell body direction of outer spout, and is concrete, and outer carriage 221 comprises two stock that are parallel to each other, and the outer end of interior carriage 211 contacts with the inner of outer carriage 221, and interior carriage 211 is linked together with outer carriage 221, and is in same horizontal plane, and carriage 211 and outer carriage 221 are interior to carriage sleeve bar slidable installation cartridge. Each tension rod 43 is vertically arranged and slidably mounted in the sliding slot 443 of one of the synchronization rods 44; the upper end of each tension rod 43 is hinged to one hinge connecting rod 41, specifically, a sliding hinge block 46 is arranged in the sliding groove 443, the sliding hinge block 46 is fixedly connected with the upper end of each tension rod 43 and is hinged to the lower end of the hinge connecting rod 41, the lower end of each tension rod 43 is inserted into one sliding sleeve rod in a vertically sliding mode, a tension spring is fixedly connected between each tension rod 43 and the corresponding sliding sleeve rod, and the tension springs are used for enabling the drilling connecting rod 45 to be in a state of being in contact with the inner sliding frame 211 and the outer sliding frame 221 all the time so as to increase the stability of the drilling ring.

In this embodiment, as shown in fig. 1 to 8, the rotary spraying mechanism includes a high-pressure cylinder 11, the high-pressure cylinder 11 is vertically disposed, the high-pressure cylinder 11 extends downward from the top of the rotating housing 22 and is inserted into the rotating housing 22 in a vertically slidable manner, the upper end of the rotating housing 22 is an upper cover 222, a central hole is disposed at the axis of the upper cover 222, a spline groove 225 is disposed on the central hole, a spline 13 is disposed on the circumferential wall of the lower end of the high-pressure cylinder 11, and the high-pressure cylinder 11 is connected to the rotating housing 22 through the spline 13, so that the high-pressure cylinder 11 can slide up and down along the rotating housing 22 while driving the rotating housing 22. The lower end of the high pressure cylinder 11 extends downward to form an outer tapered surface 214, and the lower end of the outer tapered surface 214 contacts the inner wall of the rotary casing 22. An inner conical surface 218 is arranged below the outer conical surface 214, the inner conical surface 218 and the outer conical surface 214 are coaxially arranged, a gap is reserved between the inner conical surface 218 and the outer conical surface 214 and used for guiding cement to be sprayed outwards, the upper end of the inner conical surface 218 is fixedly connected with the high-pressure cylinder 11 through the fixing frame 21, the lower end of the inner conical surface is contacted with the inner wall of the rotating shell 22, the lower end outlet of the gap between the inner conical surface 218 and the outer conical surface 214 corresponds to the material spraying hole 31, the gap formed by drawing the inner conical surface 218 and the outer conical surface 214 is used for uniformly spraying the cement all around, and therefore the cement spraying effect is better.

In this embodiment, as shown in fig. 6, the drilling shaft 215 is located at the lower end of the inner conical surface 218, and the upper end of the drilling shaft 215 is fixedly connected to the upper end of the inner conical surface 218, so that when the drilling shaft 215 slides up and down, the high pressure cylinder 11 is driven to synchronously slide up and down.

In this embodiment, as shown in fig. 7, the drill bit 32 extends vertically downward from the lower end of the drilling shaft 215, the drill bit 32 serves as a guide for the direction of the device, and the device is stable in the downward drilling process and is not easy to deviate from the preset direction, thereby increasing the drilling reliability.

In this embodiment, as shown in fig. 1 to 8, the auger blade 12 is disposed on the outer wall of the drilling shaft 215 located outside the rotating housing 22, the spiral feeding plate 228 is disposed on the outer wall of the rotating housing 22, the auger blade 12 and the spiral feeding plate 228 feed the crushed soil upward, during the clockwise downward drilling process, the drilling plate 42 pushes the crushed soil outward, the crushed soil is lifted upward by the spiral feeding plate 228 rotating clockwise, and when the crushed soil is lifted above the rotating housing 22, the crushed soil is further lifted upward by the rotating auger blade 12 and fed out, so as to prevent the drilling assembly from further downward drilling.

In this embodiment, as shown in fig. 3 to 6, the fixing frame 21 includes a fixing column 212 and a guide surface 213, the guide surface 213 is fixedly connected to the inner tapered surface 218, the guide surface 213 protrudes upward to form a semi-spherical structure, and the guide surface 213 is configured to reduce resistance to outward ejection of cement. The lower end of the fixing post 212 is fixed to the axis of the guide surface 213, and the upper end extends horizontally to form a fixing post for fixing to the inner wall of the high pressure tube 11.

An environment-friendly cement high-pressure rotary-spraying anti-seepage method for anti-seepage construction comprises the following steps:

s1: the high-pressure barrel 11 rotates to drive the drilling assembly to synchronously rotate and drill downwards;

s2: introducing cement into the high-pressure cylinder 11 under high pressure, wherein the high-pressure cylinder 11 drives the rotating shell 22 to rotate, so that the cement is rotationally sprayed outwards along the spraying holes;

s3: the drill plate 42 at the lower end of the drill ring breaks up the clods and pushes the broken clods out of the outside of the rotating housing 22; the auger blade 12 and the spiral feeding plate 228 convey the crushed soil blocks pushed out by the drilling plate 42 upwards;

s4: when drilling is obstructed in the middle of the drilling collar set 40, the inner mounting table 216 is higher than the outer mounting table 226, so that the first hinge point on the drilling collar slides inwards, and the drilling plate 42 is further concentrated inwards; when drilling is obstructed outside the drilling collar, the outer mounting table 226 is raised above the inner mounting table 216, causing the first hinge point on the drilling collar to slide inward, thereby moving the drilling plate 42 outward.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.