CN106120768A - Broken line seaming bores and stirs machine - Google Patents

Broken line seaming bores and stirs machine Download PDF

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Publication number
CN106120768A
CN106120768A CN201610627849.0A CN201610627849A CN106120768A CN 106120768 A CN106120768 A CN 106120768A CN 201610627849 A CN201610627849 A CN 201610627849A CN 106120768 A CN106120768 A CN 106120768A
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recessed
convex
sheave
type
fixed
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CN201610627849.0A
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刘玉燕
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Priority to CN201610627849.0A priority Critical patent/CN106120768A/en
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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
    • E02D5/18—Bulkheads or similar walls made solely of concrete in situ
    • E02D5/187—Bulkheads or similar walls made solely of concrete in situ the bulkheads or walls being made continuously, e.g. excavating and constructing bulkheads or walls in the same process, without joints
    • 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
    • E02D5/46—Concrete or concrete-like piles cast in position ; Apparatus for making same making in situ by forcing bonding agents into gravel fillings or the soil
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/16—Plural down-hole drives, e.g. for combined percussion and rotary drilling; Drives for multi-bit drilling units
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/001—Drilling a non circular hole
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2200/00—Geometrical or physical properties
    • E02D2200/16—Shapes

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
  • Earth Drilling (AREA)

Abstract

A kind of broken line seaming bores and stirs machine, bores, including recessed V-type, the machine that stirs and convex Y type bores and stirs machine；Manufacture multiple be respectively separated a convex Y type pilespacing from concrete recessed V-type stake, in spacing between each two recessed V-type stake, bore, with the stirring of convex Y type, the machine that stirs to bore according to above-mentioned convex Y type and stir concrete convex Y type stake the most reverse before and after the working method of machine manufactures respectively, making two of each concrete convex Y left front end of type stake, convex " (" shape is fit to two recessed " (" shapes of the left side recessed V-type stake right rear end, making two of each concrete convex Y type stake right front ends, convex " (" shape is fit to two recessed " (" shapes of the recessed left back end of V-type stake in the right, the Y type piling wall of the concrete convex Y mutual seaming of type stake being thusly-formed between the concrete recessed V-type stake that the recessed V-type stake of multiple concrete is adjacent with each two, gear soil for building basis, antiseep.

Description

Broken line seaming bores and stirs machine
Technical field
The present invention relates to a kind of stirring brill and stir machine, the recessed V-type stake used in a kind of building foundation engineering and convex Y type Stake mutually seaming forms the broken line seaming brill of Y type piling wall and stirs machine.
Background technology
Soil-cement bore stir machine be by the multiple drill bit of power drive rotate, multiple drill bits in rotation process by drill bit The earth cutting of bottom stirs into cement earth pile with cement mortar, at present, and the soil cement reinforced for geology in building foundation engineering Stake is all to be formed by multiple soil cement cylinders overlap joint.
Summary of the invention
The broken line seaming brill that the invention provides a kind of recessed V-type stake and convex Y type stake mutual seaming formation Y type piling wall stirs machine.
The present invention is achieved through the following technical solutions:
A kind of recessed V-type stake and the convex Y mutual seaming of type stake form the broken line seaming brill of Y type piling wall and stir machine, stir including recessed V-type stirring brill Machine and convex Y type stirring brill stir machine.
Recessed V-type is bored and is stirred machine and include following structure: fixed drive machine five shell upper end, mobile jib one lower end, drives machine five lower end Output shaft is fixed with a drill bit one, and mobile jib one bottom left rear side is fixed with stull one, and the left end bottom of stull one is fixed on vertical The upper end of support one, the centre of driving machine one shell is fixed in the lower end of vertical brace one, before the front end output shaft of driving machine one is fixed with It is recessed that " (" sheave one, the rear end output shaft of driving machine one is fixed with rear recessed " (" sheave one；Mobile jib one bottom right lateral side is fixed with horizontal stroke Support two, the upper end of vertical brace two is fixed in the right-hand member bottom of stull two, and the centre of driving machine two shell is fixed in the lower end of vertical brace two, The front end output shaft of driving machine two be fixed with front recessed " (" sheave two, the rear end output shaft of driving machine two be fixed with after recessed " (" sheave Two；It is each that recessed " circumference of (" sheave is with " (" connected in star, the surface of groove is provided with multiple stirring knife.
Convex Y type brill stirs machine and includes following structure: motor five shell upper end, the output of motor five lower end are fixed in mobile jib two lower end Axle is fixed with a drill bit two, and mobile jib two bottom left rear side is fixed with cross bar one, and vertical rod one is fixed in the left end bottom of cross bar one Upper end, the lower end of vertical rod one is fixed on the centre of motor one shell, and the front end output shaft of motor one is fixed with lordosis " (" sheave One, the rear end output shaft of motor one is fixed with rear convex " (" sheave one；Cross bar two, cross bar two it is fixed with on rear side of mobile jib two lower right Right-hand member bottom be fixed on the upper end of vertical rod two, the centre of motor two shell, the front end of motor two are fixed in the lower end of vertical rod two Output shaft is fixed with lordosis, and " (" sheave two, the rear end output shaft of motor two is fixed with rear convex " (" sheave two；Before mobile jib two bottom Side is fixed with cross bar four, and the front lower portion of cross bar four is fixed on the upper end of vertical rod four, and the lower end of vertical rod four is fixed on outside motor four The centre of shell, the left end output shaft of motor four is fixed with that left convex " (" sheave four, the right-hand member output shaft of motor four is fixed with right convex " (" sheave four；It is each that convex " circumference of (" sheave is with " (" shape rib is convex, and the convex surface of rib is provided with multiple stirring knife.
The present invention has a following feature:
The present invention can manufacture the concrete convex Y type between the concrete recessed V-type stake that the recessed V-type stake of multiple concrete is adjacent with each two The Y type piling wall of stake mutually seaming, for gear soil, the antiseep on building basis.
Accompanying drawing explanation
The present invention is further illustrated below in conjunction with the accompanying drawings:
Fig. 1 is the front view that recessed V-type bores the machine that stirs；
Fig. 2 is the rearview that recessed V-type bores the machine that stirs；
Fig. 3 is the A A view of Fig. 1；
Fig. 4 is the B B view of Fig. 1；
Fig. 5 is the left front view that convex Y type bores the machine that stirs；
Fig. 6 is the right front view that convex Y type bores the machine that stirs；
Fig. 7 is the rearview that convex Y type bores the machine that stirs；
Fig. 8 is the C C view of Fig. 5；
Fig. 9 is the D D view of Fig. 5；
Figure 10 is multiple cross-sectional views being connected pile body that recessed V-type stake is formed with the convex Y mutual seaming of type stake.
In figure: 1, mobile jib one, 2, vertical brace one, 3, vertical brace two, 4, front recessed " (" sheave one, 5, front recessed " (" sheave two, 6, drive Motivation one, 7, drive machine two, 8, stirring knife, 9, rear recessed " (" sheave one, 10, rear recessed " (" sheave two, 11, output shaft, 12, stull One, 13, stull two, 14, drive machine five, 15, drill bit one；31, mobile jib two, 32, vertical rod one, 33, vertical rod two, 34, lordosis " (" groove Wheel one, 35, lordosis " (" sheave two, 36, motor one, 37, motor two, 39, rear convex " (" sheave one, 40, rear convex " (" sheave two, 42, cross bar one, 43, cross bar two, 44, motor five, 45, drill bit two, 47, cross bar four, 49, vertical rod four, 51, left convex " (" sheave four, 53, motor four, 55, right convex " (" sheave four.
Detailed description of the invention
Accompanying drawing is a kind of specific embodiment of the present invention, and this embodiment includes that recessed V-type stirring brill stirs machine and the stirring of convex Y type is bored Stir machine.
Recessed V-type is bored and is stirred the structure that machine includes in Fig. 1, Fig. 2, Fig. 3, Fig. 4；Mobile jib 1 lower end fixed drive machine 5 14 shell Upper end, the output shaft of driving machine five lower end is fixed with a drill bit 1, and mobile jib one bottom left rear side is fixed with stull 1, horizontal The upper end of vertical brace 1 is fixed in the left end bottom of support one, and the centre of driving machine 1 shell is fixed in the lower end of vertical brace one, drives The front end output shaft 11 of machine one be fixed with front recessed " (" sheave 1, the rear end output shaft 11 of driving machine one be fixed with after recessed " (" groove Take turns 1；Mobile jib one bottom right lateral side is fixed with stull 2 13, and the upper end of vertical brace 23, vertical brace are fixed in the right-hand member bottom of stull two The centre of driving machine 27 shell is fixed in the lower end of two, the front end output shaft 11 of driving machine two be fixed with front recessed " (" sheave 25, The rear end output shaft of driving machine two is fixed with rear recessed " (" sheave 2 10；Each recessed " circumference of (" sheave with " (" connected in star, recessed The surface of groove is provided with multiple stirring knife 8.
One end of driving machine one is provided with gear wheel reversing mechanism, thus drives machine one to drive the output shaft synchronous at two ends when working Rotate backward.
One end of driving machine two is provided with gear wheel reversing mechanism, thus drives machine two to drive the output shaft synchronous at two ends when working Rotate backward.
Recessed V-type brill stirs machine and is also equipped with grouting pump, and during work, grouting pump is to driving the bottom of machine one, driving the bottom of machine two And drill bit one lower part does not irrigate water under high pressure, driving machine five drives drill bit one rotation of its lower end when working, and drives machine one work It is recessed before driving when making that " (" sheave one rotates forward, and recessed after driving when driving machine one works " (" sheave one inverts, when driving machine two works It is recessed before driving that " (" sheave two rotates forward, and recessed after driving when driving machine two works " (" sheave two inverts；Drill bit one is in rotation process By the soil cutting of drill bit one lower end, front recessed " (" sheave one, rear recessed " (" sheave one, front recessed " (" sheave two and rear recessed " (" sheave Two in rotation by the soil cutting of its lower end；Front recessed " (" sheave one and rear recessed " left back end-grain cutting is cut in rotation by (" sheave one Become two recessed " (" shape, front recessed " (" sheaves two and rear recessed " right rear end is cut into two recessed " (" shapes in rotation by (" sheave two； The soil body cut is blended in mud, and water under high pressure constantly injects, and mud constantly flows out to outside hole from hole, mobile jib one to Under be pressed into during form a left back end and right rear end and be respectively provided with two recessed " hole of (" shape pours coagulation in this hole Soil, produces concrete recessed V-type stake.
Convex Y type bores and stirs the structure that machine includes in Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9；Mobile jib 2 31 lower end is fixed outside motor 5 44 Shell upper end, the output shaft of motor five lower end is fixed with a drill bit 2 45, and mobile jib two bottom left rear side is fixed with cross bar 1, horizontal The upper end of vertical rod 1 is fixed in the left end bottom of bar one, and the centre of motor 1 shell, motor are fixed in the lower end of vertical rod one The front end output shaft 11 of one is fixed with lordosis, and " (" sheave 1, the rear end output shaft 11 of motor one is fixed with rear convex " (" sheave one 39；Being fixed with cross bar 2 43 on rear side of mobile jib two lower right, the upper end of vertical rod 2 33, vertical rod two are fixed in the right-hand member bottom of cross bar two Lower end be fixed on the centre of motor 2 37 shell, the front end output shaft 11 of motor two is fixed with lordosis " (" sheave 2 35, motor The rear end output shaft of two is fixed with rear convex " (" sheave 2 40；Mobile jib two lower front side is fixed with cross bar 4 47, the front end of cross bar four The upper end of vertical rod 4 49 is fixed in bottom, and the centre of motor 4 53 shell is fixed in the lower end of vertical rod four, and the left end of motor four is defeated Shaft 11 is fixed with that left convex " (" sheave 4 51, the right-hand member output shaft 11 of motor four is fixed with right convex " (" sheave 4 55；Each convex " circumference of (" sheave is with " (" shape rib is convex, and the convex surface of rib is provided with multiple stirring knife 8.
Convex Y type stirring brill stirs machine and is also equipped with grouting pump, and during work, grouting pump is to the bottom of motor one, motor two times Portion, the bottom of motor four and drill bit two bottom irrigate water under high pressure respectively, and motor five drives two turns of the drill bit of its lower end when working Dynamic, drive lordosis " (" sheave one and rear convex " (" sheave one rotates forward, and drives lordosis " (" groove when motor two works when motor one works Wheel two and rear convex " (" sheave two inverts；Drive when motor four works that left convex " convex " (" sheave four inverts for (" sheave four and the right side；Drill bit Two in rotation process by the soil cutting of drill bit two lower end, lordosis " (" sheave one, rear convex " (" sheave one, lordosis " (" sheave Two, rear convex " (" sheave two, left convex " (" sheave four and the right side convex " (" sheave four in rotation by the soil cutting of its lower end；Lordosis " (" sheave one and rear convex " left back end-grain cutting is whittled into two convex " (" shape, lordosis " (" sheaves two and rear convex in rotation by (" sheave one " right rear end is cut into two convex " (" shapes in rotation by (" sheave two；It is left that convex " convex " (" sheave four is rotating for (" sheave four and the right side Middle front end is cut into two convex " (" shapes；The soil body cut is blended in mud, and water under high pressure constantly injects, and mud is continuous Flowing out to from hole outside hole, mobile jib two forms a left back end, right rear end and front end during being pressed into downwards and is respectively provided with Two convex, and " hole of (" shape, casting concrete in this hole produce concrete convex Y type stake.
" " (" shape is coincide for (" shape and recessed V-type stake recessed for convex Y type stake convex.
It is as follows with the working method that convex Y type brill stirs machine manufacture Y type piling wall that recessed V-type bores the machine that stirs: in the position needing pile, uses The stirring of recessed V-type is bored the machine that stirs and is bored working method one concrete recessed V-type stake of manufacture of the machine that stirs, recessed V-type stake at this according to above-mentioned recessed V-type Right side, the distance being spaced a convex Y type stake manufactures the recessed V-type stake of another concrete, so manufactures and multiple is respectively separated one Convex Y type pilespacing from concrete recessed V-type stake, when the concrete strength of the concrete on both sides recessed V-type stake reaches a timing, then often In spacing between two recessed V-type stakes, bore, with the stirring of convex Y type, the machine that stirs and bore according to above-mentioned convex Y type and stir the working method of machine and make respectively Making concrete convex Y type stake the most reverse before and after, making two of each concrete convex Y left front end of type stake, convex " (" shape is fit to a left side Two of limit recessed V-type stake right rear end are recessed, and " (" shape, making two of each concrete convex Y type stake right front ends, convex " (" shape is fit to the right Two of the recessed left back end of V-type stake are recessed, and " (" shape is thusly-formed the recessed V-type of concrete that the recessed V-type stake of multiple concrete is adjacent with each two The Y type piling wall of the concrete convex Y mutual seaming of type stake between Zhuan, for gear soil, the antiseep on building basis.

Claims (2)

1. broken line seaming bores and stirs a machine, bores, including recessed V-type, the machine that stirs and convex Y type bores and stirs machine, it is characterised in that:
Described recessed V-type is bored the concrete structure of the machine that stirs and is included: fixed drive machine five (14) shell upper end, mobile jib one (1) lower end, drives The output shaft of machine five lower end is fixed with a drill bit one (15), and mobile jib one bottom left rear side is fixed with stull one (12), stull one Left end bottom be fixed on the upper end of vertical brace one (2), the centre of driving machine one (6) shell is fixed in the lower end of vertical brace one, drives The front end output shaft (11) of machine one be fixed with front recessed " (" sheave one (4), drive machine one rear end output shaft (11) be fixed with after the most recessed " (" sheave one (9)；Mobile jib one bottom right lateral side is fixed with stull two (13), and vertical brace two (3) is fixed in the right-hand member bottom of stull two Upper end, the lower end of vertical brace two is fixed on the centre of driving machine two (7) shell, is driven the front end output shaft (11) of machine two to be fixed with Before recessed " (" sheave two (5), the rear end output shaft of driving machine two be fixed with after recessed " (" sheave two (10)；Each recessed " (" sheave Circumference is with " (" connected in star, the surface of groove is provided with multiple stirring knife (8)；
Described recessed V-type is bored when stirring machine work, and grouting pump is to driving the bottom of machine one, the bottom driving machine two and drill bit one bottom Irrigating water under high pressure respectively, driving machine five drives drill bit one rotation of its lower end when working, before driving when driving machine one works recessed " (" Sheave one rotates forward, and recessed after driving when driving machine one works " (" sheave one inverts, recessed " (" sheave before driving when driving machine two works Two rotate forward, and recessed after driving when driving machine two works " (" sheave two inverts；Drill bit one in rotation process by the soil of drill bit one lower end Body cut, front recessed " (" sheave one, rear recessed " (" sheave one, front recessed " (" sheave two and rear recessed " (" sheave two in rotation by under it The soil cutting of end；Front recessed " (" sheave one and rear recessed " (" sheave one in rotation, left back end-grain cutting is whittled into two recessed " (" shape, front Recessed " (" sheave two and rear recessed " right rear end is cut into two recessed " (" shapes in rotation by (" sheave two；The soil body cut mixes Being combined in mud, water under high pressure constantly injects, and mud constantly flows out to outside hole from hole, and mobile jib one is formed during being pressed into downwards One left back end and right rear end are respectively provided with two, and recessed " hole of (" shape, casting concrete in this hole produce concrete recessed V-type stake；
Described convex Y type bores the structure of the machine that stirs and includes；Motor five (44) shell upper end, motor five lower end are fixed in mobile jib two (31) lower end Output shaft be fixed with a drill bit two (45), mobile jib two bottom left rear side is fixed with cross bar one (42), under the left end of cross bar one The upper end of vertical rod one (32) is fixed in portion, and the centre of motor one (36) shell, the front end of motor one are fixed in the lower end of vertical rod one Output shaft 11 is fixed with lordosis, and " (" sheave one (34), the rear end output shaft (11) of motor one is fixed with rear convex " (" sheave one (39)；Being fixed with cross bar two (43) on rear side of mobile jib two lower right, the upper end of vertical rod two (33) is fixed in the right-hand member bottom of cross bar two, The centre of motor two (37) shell is fixed in the lower end of vertical rod two, and the front end output shaft (11) of motor two is fixed with lordosis " (" groove Wheel two (35), the rear end output shaft of motor two is fixed with rear convex " (" sheave two (40)；Mobile jib two lower front side is fixed with cross bar four (47), the front lower portion of cross bar four is fixed on the upper end of vertical rod four (49), and motor four (53) shell is fixed in the lower end of vertical rod four Centre, the left end output shaft 11 of motor four is fixed with that left convex " (" sheave four (51), the right-hand member output shaft 11 of motor four is fixed with Right convex " (" sheave four (55)；It is each that convex " circumference of (" sheave is with " (" shape rib is convex, and the convex surface of rib is provided with multiple stirring knife (8)；
Described convex Y type bores and stirs the working method of machine and be: during work, grouting pump is to the bottom of motor one, the bottom of motor two, motor Bottom and drill bit two bottom of four irrigate water under high pressure respectively, and motor five drives drill bit two rotation of its lower end, motor when working One work time drive lordosis " (" sheave one and rear convex " (" sheave one rotates forward, when motor two works drive lordosis " (" sheave two He It is the most convex that " (" sheave two inverts；Drive when motor four works that left convex " convex " (" sheave four inverts for (" sheave four and the right side；Drill bit two is turning By the soil cutting of drill bit two lower end during Dong, " (" sheave one, rear convex " (" sheave one, lordosis are " (" sheave two, rear convex for lordosis " (" sheave two, left convex " (" sheave four and the right side convex " (" sheave four in rotation by the soil cutting of its lower end；Lordosis " (" sheave One and rear convex " left back end-grain cutting is whittled into two convex " (" shape, lordosis " (" sheave two and rear convex " (" sheaves in rotation by (" sheave one Right rear end is cut into two convex " (" shapes in rotation by two；Left convex " (" sheave four and the right side convex " (" sheave four in rotation by front End-grain cutting is whittled into two convex " (" shapes；The soil body cut is blended in mud, and water under high pressure constantly injects, and mud is constantly from hole Flow out to outside hole, mobile jib two formed during being pressed into downwards left back end, right rear end and front end be respectively provided with two convex " hole of (" shape, casting concrete in this hole produce concrete convex Y type stake；
Described recessed V-type is bored the machine that stirs and is bored the working method stirring machine manufacture Y type piling wall with described convex Y type: in the position needing pile, use The stirring of recessed V-type is bored the machine that stirs and is bored working method one concrete recessed V-type stake of manufacture of the machine that stirs, recessed V-type stake at this according to above-mentioned recessed V-type Right side, the distance being spaced a convex Y type stake manufactures the recessed V-type stake of another concrete, so manufactures and multiple is respectively separated one Convex Y type pilespacing from concrete recessed V-type stake, when the concrete strength of the concrete on both sides recessed V-type stake reaches a timing, then often In spacing between two recessed V-type stakes, bore, with the stirring of convex Y type, the machine that stirs and bore according to above-mentioned convex Y type and stir the working method of machine and make respectively Making concrete convex Y type stake the most reverse before and after, making two of each concrete convex Y left front end of type stake, convex " (" shape is fit to a left side Two of limit recessed V-type stake right rear end are recessed, and " (" shape, making two of each concrete convex Y type stake right front ends, convex " (" shape is fit to the right Two of the recessed left back end of V-type stake are recessed, and " (" shape is thusly-formed the recessed V-type of concrete that the recessed V-type stake of multiple concrete is adjacent with each two The Y type piling wall of the concrete convex Y mutual seaming of type stake between Zhuan, for gear soil, the antiseep on building basis.
Broken line seaming the most according to claim 1 bores and stirs machine, it is characterised in that: convex " (" shape and the recessed V of described convex Y type stake Type stake recessed " (" shape coincide.
CN201610627849.0A 2016-08-03 2016-08-03 Broken line seaming bores and stirs machine Withdrawn CN106120768A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610627849.0A CN106120768A (en) 2016-08-03 2016-08-03 Broken line seaming bores and stirs machine

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Application Number Priority Date Filing Date Title
CN201610627849.0A CN106120768A (en) 2016-08-03 2016-08-03 Broken line seaming bores and stirs machine

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Publication Number Publication Date
CN106120768A true CN106120768A (en) 2016-11-16

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Application publication date: 20161116

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