CN114875888A - Grouting reinforcement device and reinforcement method for miniature steel pipe pile - Google Patents
Grouting reinforcement device and reinforcement method for miniature steel pipe pile Download PDFInfo
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- CN114875888A CN114875888A CN202210656582.3A CN202210656582A CN114875888A CN 114875888 A CN114875888 A CN 114875888A CN 202210656582 A CN202210656582 A CN 202210656582A CN 114875888 A CN114875888 A CN 114875888A
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- rack
- mounting hole
- steel pipe
- drill bit
- electric telescopic
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 54
- 239000010959 steel Substances 0.000 title claims abstract description 54
- 230000002787 reinforcement Effects 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 230000003014 reinforcing effect Effects 0.000 claims description 26
- 238000005553 drilling Methods 0.000 claims description 12
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000007569 slipcasting Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 3
- 239000002689 soil Substances 0.000 description 17
- 239000007788 liquid Substances 0.000 description 9
- 239000002002 slurry Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 239000011440 grout Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Classifications
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- 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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- 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
- E02D3/02—Improving by compacting
- E02D3/08—Improving by compacting by inserting stones or lost bodies, e.g. compaction piles
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The application relates to a grouting reinforcement device and a reinforcement method for a miniature steel pipe pile, which relate to the technical field of constructional engineering and comprise a workbench, wherein the workbench is horizontally arranged above the ground, a mounting hole is vertically formed in the ground, a drill bit is connected below the workbench, and the drill bit is horizontally arranged in the mounting hole; the transmission mechanism is arranged on the workbench and connected with the drill bit, and the transmission mechanism is used for enabling the drill bit to move along the direction of the drill bit close to the side wall of the mounting hole and enabling the drill bit to move along the circumferential direction of the mounting hole. This application can improve the bearing capacity of pile foundation.
Description
Technical Field
The application relates to the technical field of constructional engineering, in particular to a miniature steel pipe pile grouting reinforcement device and a reinforcement method.
Background
The miniature steel pipe pile is one of steel piles, has strong soil layer embedding capacity, has small influence on soil near the steel pile after being formed, and is widely applied to engineering construction and reinforcement.
The related technology can refer to Chinese patent with publication number CN102493437A, which discloses a micro steel pipe pile grouting reinforcement device and reinforcement method, the grouting type micro steel pipe pile comprises a steel pipe, a plurality of groups of spaced slurry outlet hole groups are arranged on the side wall of the steel pipe along the axial direction, and a rubber sealing ring is sleeved outside each group of slurry outlet hole groups; the grouting reinforcement method comprises the following steps: after pile sinking is finished, pressure grouting is carried out in the hollow steel pipe, pressure is applied by grouting equipment, grout is uniformly injected into a soil layer around the pile body through grout outlet holes in the pile body, the grout permeates, diffuses, fills and is compacted in an injected layer under the action of the pressure, and original loose soil particles are cemented into a whole, so that the soil layer around the pile is reinforced, and the bearing capacity of a pile foundation is improved.
The miniature steel pipe pile is provided with holes around the pile for grouting, and slurry is injected into a soil layer under the action of pressure, but the actual contact area of the slurry and the soil layer cannot be determined in the process of injecting the slurry into the soil layer, and the actual volume of the slurry injected into the soil layer cannot be determined, so that the bearing capacity of the pile foundation after pile forming is low.
Disclosure of Invention
In order to improve the bearing capacity of a pile foundation, the application provides a miniature steel pipe pile grouting reinforcement device and a reinforcement method.
In a first aspect, the application provides a miniature steel-pipe pile grouting reinforcement device, adopts following technical scheme:
a grouting reinforcement device for a miniature steel pipe pile comprises a workbench, wherein the workbench is horizontally arranged above the ground, a mounting hole is vertically formed in the ground, a drill bit is connected below the workbench, and the drill bit is horizontally arranged in the mounting hole; the transmission mechanism is arranged on the workbench and connected with the drill bit, and the transmission mechanism is used for enabling the drill bit to move along the direction of the drill bit close to the side wall of the mounting hole and enabling the drill bit to move along the circumferential direction of the mounting hole.
By adopting the technical scheme, the drill bit is horizontally placed in the mounting hole, the transmission mechanism is started, the transmission mechanism drives the drill bit to be close to the side wall of the mounting hole, and the drill bit is inserted on the side wall of the mounting hole; then, starting the transmission mechanism again to enable the drill bit to move along the circumferential direction of the mounting hole, and enabling the drill bit to stop moving along the direction close to the side wall of the mounting hole, wherein the drill bit can form a reinforcing groove with a smaller depth on the side wall of the mounting hole; then driving the drill bit to move along the direction close to the side wall of the groove surface of the reinforcing groove again so that the drill bit is inserted into the stratum again; then drive the drill bit through drive mechanism and move along mounting hole circumference for the degree of depth in reinforcement groove increases, and after the degree of depth of treating the reinforcement groove reached preset degree of depth, pour into the thick liquid into the mounting hole, make the thick liquid get into the reinforcement inslot, the reinforcement groove can effectively increase the area of contact of pile foundation and ground this moment, can effectively increase the volume that the thick liquid got into the stratum simultaneously, thereby has improved the bearing capacity of pile foundation.
Optionally, the workbench is provided with a abdicating hole, a mounting plate is fixedly arranged above the workbench, and the mounting plate is horizontally arranged; the transmission mechanism comprises a driving assembly and a rotating assembly, the driving assembly comprises a motor, the motor is fixedly arranged on the bottom surface of the mounting plate, an output shaft of the motor is coaxially arranged with the mounting hole, a gear is fixedly arranged below the motor, and the gear is coaxially arranged with the output shaft of the motor; a first rack is horizontally arranged on one side of the gear and meshed with the gear; a first connecting rod is vertically arranged above the first rack, the first rack is connected with the bottom end of the first connecting rod in a sliding mode along the length direction of the first rack, and the top end of the first connecting rod is connected with the mounting plate; a first fixing rod is vertically arranged below the first rack, is positioned in the mounting hole and is fixedly connected with the drill bit; the rotating assembly is used for enabling the first rack to move along the circumferential direction of the mounting hole.
Through adopting above-mentioned technical scheme, starter motor, motor output shaft drive gear revolve, and pivoted gear can drive first rack and remove along self length direction for first rack can drive the drill bit and remove towards the direction that is close to the mounting hole lateral wall, treats that the drill bit inserts and establishes behind the soil layer, starts the runner assembly, and the runner assembly drives the drill bit and removes along the mounting hole circumferencial direction, makes the drill bit can set up on the mounting hole lateral wall and reinforce the groove.
Optionally, the bottom surface of the mounting plate is provided with a first sliding chute and a second sliding chute, and the first sliding chute and the second sliding chute are both circular and coaxial with the mounting hole; the top end of the first connecting rod is arranged in the first sliding groove in a sliding manner along the length direction of the first sliding groove; the rotating assembly comprises a first electric telescopic rod and a first fixing plate, and the first fixing plate is horizontally arranged on one side of the first rack and is fixedly connected with the first rack; the top surface of the first fixing plate is provided with a plurality of positioning holes along the length direction of the first rack; the vertical setting of first electric telescopic handle is between first fixed plate and mounting panel, and the length direction slip setting of first electric telescopic handle top along the second spout is in the second spout, and one of them locating hole can be inserted to first electric telescopic handle bottom.
Through adopting above-mentioned technical scheme, after the drill bit inserts the soil layer, start first electric telescopic handle, in first electric telescopic handle bottom got into one of them locating hole, the starter motor this moment, motor output shaft can drive first rack along mounting hole circumferential direction for the drill bit can be along mounting hole circumferential direction under the drive of first rack.
Optionally, an adjusting part is arranged on the mounting plate and used for adjusting the levelness of the workbench and adjusting the distance between the workbench and the ground.
Through adopting above-mentioned technical scheme, the levelness of workstation can be adjusted to the regulating part for the drill bit can the level all the time set up in the mounting hole, and through the effect of regulating part, can change the drill bit in the position of mounting hole, and the constructor of being convenient for sets up the reinforcement groove of different incline directions in the mounting hole, thereby has improved miniature steel-pipe pile slip casting reinforcing apparatus's practicality.
Optionally, the adjusting part is provided with a plurality of adjusting parts, each adjusting part comprises a second electric telescopic rod, the second electric telescopic rods are vertically arranged below the workbench, the top ends of the second electric telescopic rods are hinged to the working billiards, and the bottom ends of the second electric telescopic rods are inserted into the ground.
Through adopting above-mentioned technical scheme, start second electric telescopic handle, second electric telescopic handle contracts or extends along self length direction for the levelness and the height of workstation can be adjusted, thereby further improved miniature steel-pipe pile slip casting reinforcing apparatus's practicality.
Optionally, a second rack is horizontally arranged on one side, away from the first rack, of the gear, the second rack is meshed with the gear, a second connecting rod is vertically arranged between the second rack and the mounting plate, the top end of the second connecting rod is arranged in the first sliding groove in a sliding manner along the length direction of the first sliding groove, and the bottom end of the second connecting rod is connected with the second rack in a sliding manner along the length direction of the second rack; a second fixing rod is vertically arranged below the second rack, the second fixing rod is positioned in the mounting hole, and a drill bit is also fixedly arranged on the second fixing rod; a second fixing plate is horizontally arranged on one side of the second rack and fixedly connected with the second rack; the top surface of the second fixing plate is also provided with a plurality of positioning holes along the length direction of the second rack; a third electric telescopic rod is vertically arranged between the second fixing plate and the mounting plate, the top end of the third electric telescopic rod is arranged in the second sliding groove in a sliding mode along the length direction of the second sliding groove, and the bottom end of the third electric telescopic rod can be inserted into one of the positioning holes in the second fixing plate.
Through adopting above-mentioned technical scheme for the drill bit that the drill bit of being connected below first rack and the drill bit of being connected below the second rack can set up simultaneously on the mounting hole lateral wall and consolidate the groove, have increased the quantity of seting up of consolidating the groove, make the area of contact on pile foundation and ground further increase, further increased the volume that the thick liquid got into the stratum simultaneously, thereby further improved the bearing capacity of pile foundation.
In a second aspect, the application provides a method for grouting and reinforcing a micro steel pipe pile, which adopts the following technical scheme:
a grouting reinforcement method for a miniature steel pipe pile comprises the following steps:
s1: drilling a mounting hole: drilling vertically downwards at the drilling position;
s2: installing a steel pipe: after drilling is finished, the steel pipe is coaxially inserted into the mounting hole, the side wall of the steel pipe is provided with two communicating grooves, the two communicating grooves penetrate through the steel pipe along the thickness direction of the side wall of the steel pipe, and the two communicating grooves are symmetrically arranged on two sides of the axis of the mounting hole;
s3: and (3) forming a reinforcing groove: and a reinforcing groove is formed in the side wall of the mounting hole.
Through adopting above-mentioned technical scheme, effectively increase the area of contact of pile foundation and stratum through the stiffening groove, set up of stiffening groove simultaneously can increase the thick liquid that gets into the stratum for the structure of pile foundation is more stable, thereby has further improved the bearing capacity of pile foundation.
Optionally, the bottom end of the steel pipe is of a closed structure.
Through adopting above-mentioned technical scheme, the drill bit is along the in-process of mounting hole circumferential movement, and the soil of mounting hole lateral wall can drop in the steel pipe bottom, and when the steel pipe bottom was sealed, be favorable to cleaing away the soil that drops in the steel pipe, and when soil was clear away, can avoid the clearance process to produce the influence to the soil around the steel pipe, plays the guard action to the construction environment of steel-pipe pile.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the transmission mechanism and the drill bit, the drill bit can be provided with the reinforcing groove on the side wall of the mounting hole, the contact area of the pile foundation and the ground can be effectively increased by the reinforcing groove, and the volume of slurry entering a stratum can be effectively increased, so that the bearing capacity of the pile foundation is improved;
2. by arranging the adjusting piece, the position of the drill bit in the mounting hole can be changed, so that a constructor can conveniently arrange reinforcing grooves in different inclined directions in the mounting hole, and the practicability of the miniature steel pipe pile grouting reinforcing device is improved;
3. through setting up the second rack for strengthening the seting up quantity of groove and increasing, and make the area of contact of pile foundation and ground further increase, further increased the volume that the thick liquid got into the stratum simultaneously, thereby further improved the bearing capacity of pile foundation.
Drawings
FIG. 1 is a schematic structural diagram of a hidden steel pipe according to an embodiment of the present application;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a sectional view of the embodiment of the present application showing the hidden steel tube, the third electric telescopic rod and the second fixing plate;
FIG. 4 is a schematic structural diagram of the embodiment of the present application before a reinforcing groove is formed;
fig. 5 is a schematic structural diagram of the embodiment of the present application after a reinforcing groove is formed.
Description of reference numerals: 1. a work table; 11. a hole of abdication; 12. a second electric telescopic rod; 2. mounting a plate; 21. a first chute; 22. a second chute; 3. a transmission mechanism; 31. a drive assembly; 312. a motor; 313. a gear; 314. a first rack; 315. a first connecting rod; 316. a second rack; 317. a second connecting rod; 318. a first fixing lever; 319. a second fixing bar; 32. a rotating assembly; 321. a first electric telescopic rod; 322. a first fixing plate; 3221. positioning holes; 323. a second fixing plate; 324. a third electric telescopic rod; 4. a steel pipe; 41. a communicating groove; 5. a ground surface; 51. mounting holes; 511. a reinforcing groove; 6. a drill bit.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses miniature steel-pipe pile slip casting reinforcing apparatus.
Referring to fig. 1 and 2, the grouting reinforcement device for the miniature steel pipe pile comprises a workbench 1, wherein the workbench 1 is horizontally arranged above the ground 5, a mounting hole 51 is vertically formed in the ground 5, a drill bit 6 is horizontally arranged below the workbench 1, and the drill bit 6 is positioned in the mounting hole 51; the workbench 1 is provided with a transmission mechanism 3 and an adjusting piece, the transmission mechanism 3 is used for enabling the drill bit 6 to move along the direction of approaching the side wall of the mounting hole 51, and the transmission mechanism 3 is used for enabling the drill bit 6 to move along the circumferential direction of the mounting hole 51; the adjusting piece is used for adjusting the levelness of the workbench 1 and the drill bit 6 and adjusting the distance between the workbench 1 and the ground 5.
Referring to fig. 2 and 3, the workbench 1 is rectangular, the center of the top surface of the workbench 1 is provided with a yielding hole 11, the yielding hole 11 penetrates through the workbench 1 along the vertical direction, and the yielding hole 11 and the mounting hole 51 are coaxially arranged; a mounting plate 2 is horizontally arranged above the workbench 1, and the mounting plate 2 is fixedly connected with the workbench 1; first spout 21 and second spout 22 have been seted up on the 2 bottom surfaces of mounting panel, and first spout 21 and second spout 22 all are the ring shape, and all set up with mounting hole 51 is coaxial, and first spout 21 external diameter is less than second spout 22 external diameter.
Referring to fig. 1 and 2, the transmission mechanism 3 includes a driving assembly 31 and a rotating assembly 32, the driving assembly 31 includes a motor 312, the motor 312 is fixedly disposed on the bottom surface of the mounting plate 2, and an output shaft of the motor 312 is disposed coaxially with the mounting hole 51; a gear 313 is horizontally arranged between the motor 312 and the workbench 1, and the gear 313 is coaxially arranged with an output shaft of the motor 312 and fixedly connected with the output shaft of the motor 312; a first rack 314 and a second rack 316 are symmetrically arranged on two sides of the gear 313, and the first rack 314 and the second rack 316 are meshed with the gear 313; a first connecting rod 315 is vertically arranged between the first rack 314 and the mounting plate 2, the first rack 314 is slidably connected with the bottom end of the first connecting rod 315 along the length direction of the first rack, and the top end of the first connecting rod 315 is slidably arranged in the first sliding groove 21 along the length direction of the first sliding groove 21; a second connecting rod 317 is vertically arranged between the second rack 316 and the mounting plate 2, the second rack 316 is slidably connected with the bottom end of the second connecting rod 317 along the length direction of the second rack, and the top end of the second connecting rod 317 is slidably arranged in the first sliding groove 21 along the length direction of the first sliding groove 21;
referring to fig. 1 and 3, a first fixing rod 318 is vertically arranged below the first rack 314, the first fixing rod 318 is fixedly connected with the first rack 314, a plurality of drills 6 are arranged in the vertical direction, and the drills 6 are fixedly connected with the first fixing rod 318; a second fixing rod 319 is vertically arranged below the second rack 316, the second fixing rod 319 is fixedly connected with the second rack 316, a drill bit 6 is also fixedly arranged on the second fixing rod 319, and the drill bit 6 is provided with a plurality of parts in the vertical direction.
Referring to fig. 2 and 3, the rotating assembly 32 includes a first fixing plate 322 and a first electric telescopic rod 321, the first fixing plate 322 is horizontally disposed on a side of the first rack 314 away from the second rack 316, a length direction of the first fixing plate 322 is the same as a length direction of the first rack 314, and the first fixing plate 322 is fixedly connected to the first rack 314; a plurality of positioning holes 3221 are formed in the top surface of the first fixing plate 322, and the plurality of positioning holes 3221 are arranged along the length direction of the first fixing plate 322; the first electric telescopic rod 321 is vertically arranged between the first fixing plate 322 and the mounting plate 2, the top end of the first electric telescopic rod 321 is slidably arranged in the second sliding groove 22 along the length direction of the second sliding groove 22 and is connected with the mounting plate 2 in a damping manner, and the bottom end of the first electric telescopic rod 321 can be inserted into one of the positioning holes 3221; a second fixing plate 323 is horizontally arranged on one side of the second rack 316 far away from the first rack 314, the length direction of the second fixing plate 323 is the same as that of the first fixing plate 322, and the second fixing plate 323 is fixedly connected with the second rack 316; the top surface of the second fixing plate 323 is also provided with positioning holes 3221, the positioning holes 3221 penetrate through the second fixing plate 323 along the vertical direction, and the positioning holes 3221 are provided in a plurality along the length direction of the second rack 316; a third electric telescopic rod 324 is vertically arranged between the second fixing plate 323 and the mounting plate 2, the top end of the third electric telescopic rod 324 is slidably arranged in the second sliding groove 22 along the length direction of the second sliding groove 22, and the bottom end of the third electric telescopic rod 324 can be inserted into one of the positioning holes 3221 of the second fixing plate 323.
Referring to fig. 1 and 3, the regulating part is provided with four, and is located the bottom surface apex angle department of workstation 1 respectively, and the regulating part is second electric telescopic handle 12, and the vertical setting of second electric telescopic handle 12, 12 tops of second electric telescopic handle and workstation 1 ball joint, and place on the bottom surface in 12 bottoms of second electric telescopic handle.
The implementation principle of the grouting reinforcement device and the reinforcement method for the miniature steel pipe pile in the embodiment of the application is as follows: firstly, horizontally arranging a drill bit 6 in the mounting hole 51, starting a motor 312, driving a gear 313 to rotate by an output shaft of the motor 312, and simultaneously driving a first rack 314 and a second rack 316 to move along the length direction of the gear 313, so that the drill bit 6 moves along the direction close to the side wall of the mounting hole 51; after the drill bit 6 is inserted into a soil layer, the first electric telescopic rod 321 and the third electric telescopic rod 324 are started, and both the first electric telescopic rod 321 and the third electric telescopic rod 324 extend along the length direction thereof, so that the bottom end of the first electric telescopic rod 321 and the bottom end of the third electric telescopic rod 324 are inserted into the corresponding positioning holes 3221; at the moment, the output shaft of the motor 312 drives the first rack 314 and the second rack 316 to rotate along the axis of the mounting hole 51, and the drill bit 6 moves along the circumferential direction of the mounting hole 51, and at the moment, the drill bit 6 can form a reinforcing groove 511 with a smaller depth on the side wall of the mounting hole 51; then, the drill bit 6 is driven to move along the direction close to the side wall of the groove surface of the reinforcing groove 511 again, so that the drill bit 6 is inserted into the soil layer again; then drive drill bit 6 through motor 312 and move along mounting hole 51 circumference for the degree of depth of reinforcing groove 511 increases, treats that the degree of depth of reinforcing groove 511 reaches and predetermines the degree of depth after, injects the thick liquid into mounting hole 51, makes the thick liquid get into reinforcing groove 511 in, reinforcing groove 511 can effectively increase pile foundation and ground 5's area of contact this moment, can effectively increase the volume that the thick liquid got into the stratum simultaneously, thereby has improved the bearing capacity of pile foundation.
The embodiment of the application discloses a grouting reinforcement method for a miniature steel pipe pile.
Referring to fig. 4 and 5, the grouting reinforcement method for the micro steel pipe pile comprises the following steps:
s1: drilling the mounting hole 51: drilling vertically downwards at the drilling position;
s2: installing a steel pipe 4: after drilling, coaxially inserting the steel pipe 4 into the mounting hole 51, wherein the bottom end of the steel pipe 4 is of a closed structure; the side wall of the steel pipe 4 is provided with two communicating grooves 41, the communicating grooves 41 penetrate through the steel pipe 4 along the thickness direction of the side wall of the steel pipe 4, the number of the communicating grooves 41 is two along the circumferential direction of the mounting hole 51, and the two communicating grooves 41 are symmetrically arranged on two sides of the axis of the mounting hole 51; the drill 6 can be slidably arranged in the communication groove 41 along the length direction of the first rack 314, and the drill 6 can be slidably arranged in the communication groove 41 along the circumferential direction of the mounting hole 51;
s3: and (3) arranging a reinforcing groove 511: the side wall of the mounting hole 51 is provided with a reinforcing groove 511.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a miniature steel-pipe pile slip casting reinforcing apparatus, includes workstation (1), workstation (1) level sets up in ground (5) top, vertically has seted up mounting hole (51) on ground (5), its characterized in that: a drill bit (6) is connected below the workbench (1), and the drill bit (6) is horizontally arranged in the mounting hole (51); the workbench (1) is provided with a transmission mechanism (3), the transmission mechanism (3) is connected with the drill bit (6), and the transmission mechanism (3) is used for enabling the drill bit (6) to move along the direction of the drill bit (6) close to the side wall of the mounting hole (51) and enabling the drill bit (6) to move along the circumferential direction of the mounting hole (51).
2. The micro steel pipe pile grouting reinforcement device according to claim 1, characterized in that: the working table (1) is provided with a abdicating hole (11), an installation plate (2) is fixedly arranged above the working table (1), and the installation plate (2) is horizontally arranged; the transmission mechanism (3) comprises a driving component (31) and a rotating component (32), the driving component (31) comprises a motor (312), the motor (312) is fixedly arranged on the bottom surface of the mounting plate (2), an output shaft of the motor (312) is coaxially arranged with the mounting hole (51), a gear (313) is fixedly arranged below the motor (312), and the gear (313) and the output shaft of the motor (312) are coaxially arranged; a first rack (314) is horizontally arranged on one side of the gear (313), and the first rack (314) is meshed with the gear (313); a first connecting rod (315) is vertically arranged above the first rack (314), the first rack (314) is connected with the bottom end of the first connecting rod (315) in a sliding manner along the length direction of the first rack, and the top end of the first connecting rod (315) is connected with the mounting plate (2); a first fixing rod (318) is vertically arranged below the first rack (314), the first fixing rod (318) is positioned in the mounting hole (51), and the first fixing rod (318) is fixedly connected with the drill bit (6); the rotating assembly (32) is used for enabling the first rack (314) to move along the circumferential direction of the mounting hole (51).
3. The micro steel pipe pile grouting reinforcement device according to claim 2, characterized in that: the bottom surface of the mounting plate (2) is provided with a first sliding chute (21) and a second sliding chute (22), and the first sliding chute (21) and the second sliding chute (22) are both annular and are coaxially arranged with the mounting hole (51); the top end of the first connecting rod (315) is arranged in the first sliding chute (21) in a sliding manner along the length direction of the first sliding chute (21); the rotating assembly (32) comprises a first electric telescopic rod (321) and a first fixing plate (322), wherein the first fixing plate (322) is horizontally arranged on one side of the first rack (314) and is fixedly connected with the first rack (314); positioning holes (3221) are formed in the top surface of the first fixing plate (322), and a plurality of positioning holes (3221) are formed in the length direction of the first rack (314); the first electric telescopic rod (321) is vertically arranged between the first fixing plate (322) and the mounting plate (2), the top end of the first electric telescopic rod (321) is arranged in the second sliding groove (22) in a sliding mode along the length direction of the second sliding groove (22), and the bottom end of the first electric telescopic rod (321) can be inserted into one positioning hole (3221).
4. The micro steel pipe pile grouting reinforcement device according to claim 3, characterized in that: be provided with the regulating part on mounting panel (2), the regulating part is used for adjusting the levelness of workstation (1), and is used for adjusting the distance between workstation (1) and ground (5).
5. The micro steel pipe pile grouting reinforcement device according to claim 4, characterized in that: the adjusting part is provided with a plurality of, and the adjusting part is second electric telescopic handle (12), and the vertical setting of second electric telescopic handle (12) is in workstation (1) below, and second electric telescopic handle (12) top is articulated with workstation (1) ball, and place on ground (5) second electric telescopic handle (12) bottom.
6. The micro steel pipe pile grouting reinforcement device according to claim 3, characterized in that: a second rack (316) is horizontally arranged on one side, away from the first rack (314), of the gear (313), the second rack (316) is meshed with the gear (313), the length direction of the second rack (316) is the same as that of the first rack (314), a second connecting rod (317) is vertically arranged between the second rack (316) and the mounting plate (2), the top end of the second connecting rod (317) is arranged in the first sliding groove (21) in a sliding manner along the length direction of the first sliding groove (21), and the bottom end of the second connecting rod (317) is connected with the second rack (316) in a sliding manner along the length direction of the second rack (316); a second fixing rod (319) is vertically arranged below the second rack (316), the second fixing rod (319) is positioned in the mounting hole (51), and a drill bit (6) is also fixedly arranged on the second fixing rod (319); a second fixed plate (323) is horizontally arranged on one side of the second rack (316), and the second fixed plate (323) is fixedly connected with the second rack (316); the top surface of the second fixing plate (323) is also provided with a plurality of positioning holes (3221), and the plurality of positioning holes (3221) are arranged along the length direction of the second rack (316); a third electric telescopic rod (324) is vertically arranged between the second fixing plate (323) and the mounting plate (2), the top end of the third electric telescopic rod (324) is arranged in the second sliding groove (22) in a sliding manner along the length direction of the second sliding groove (22), and the bottom end of the third electric telescopic rod (324) can be inserted into one of the positioning holes (3221) in the second fixing plate (323).
7. The grouting reinforcement method for the miniature steel pipe pile is based on the reinforcement device of any one of claims 1 to 6, and is characterized by comprising the following steps of:
s1: drilling a mounting hole (51): drilling vertically downwards at the drilling position;
s2: installation steel pipe (4): after drilling is finished, the steel pipe (4) is coaxially inserted into the mounting hole (51), the side wall of the steel pipe (4) is provided with two communicating grooves (41), the communicating grooves (41) penetrate through the steel pipe (4) along the thickness direction of the side wall of the steel pipe (4), the two communicating grooves (41) are arranged along the circumferential direction of the mounting hole (51), and the two communicating grooves (41) are symmetrically arranged on two sides of the axis of the mounting hole (51);
s3: opening a reinforcing groove (511): a reinforcing groove (511) is arranged on the side wall of the mounting hole (51).
8. The method for grouting reinforcement of a micro steel pipe pile according to claim 7, characterized in that: the bottom end of the steel pipe (4) is of a closed structure.
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| CN214247219U (en) * | 2021-02-07 | 2021-09-21 | 甘肃中铁建设工程有限公司 | Anchor rod pore-forming grouting construction equipment with hole expanding mechanism |
| CN215104771U (en) * | 2021-07-06 | 2021-12-10 | 博士特建筑科技有限公司 | A plant muscle perforating device for bridge construction |
| CN114215042A (en) * | 2021-12-31 | 2022-03-22 | 中冶天工集团天津有限公司 | Miniature steel pipe pile for reinforcing foundation and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4946314A (en) * | 1986-09-10 | 1990-08-07 | G. D. Anker Gmbh | Rock anchor |
| US5425429A (en) * | 1994-06-16 | 1995-06-20 | Thompson; Michael C. | Method and apparatus for forming lateral boreholes |
| CN107653881A (en) * | 2017-09-30 | 2018-02-02 | 国家电网公司 | A kind of prestressed concrete pipe pile attachment means used for transmission line |
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| CN214247219U (en) * | 2021-02-07 | 2021-09-21 | 甘肃中铁建设工程有限公司 | Anchor rod pore-forming grouting construction equipment with hole expanding mechanism |
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