CN2541598Y - Pore-forming drill of large diameter pile foundation engineering moving as epicyclic motion - Google Patents

Pore-forming drill of large diameter pile foundation engineering moving as epicyclic motion Download PDF

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Publication number
CN2541598Y
CN2541598Y CN 02223694 CN02223694U CN2541598Y CN 2541598 Y CN2541598 Y CN 2541598Y CN 02223694 CN02223694 CN 02223694 CN 02223694 U CN02223694 U CN 02223694U CN 2541598 Y CN2541598 Y CN 2541598Y
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CN
China
Prior art keywords
gear
drilling rod
planetary
drill
pile foundation
Prior art date
Application number
CN 02223694
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Chinese (zh)
Inventor
张昌平
Original Assignee
张昌平
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Publication date
Application filed by 张昌平 filed Critical 张昌平
Priority to CN 02223694 priority Critical patent/CN2541598Y/en
Application granted granted Critical
Publication of CN2541598Y publication Critical patent/CN2541598Y/en

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Abstract

A star-motion large-diameter drilling tool for pile foundation engineering comprises a drill rid, a power shaft, a gear set, drill rods and drill heads, wherein the drill rig is made by welding an upper frame ring, a lower frame ring and an inclined support rod between the two frame rings, a central gear is fixed to the power shaft by a key, three planetary gears are homogeneously distributed around the central gear, the planetary gears, the central gear and the internal teeth of the upper section of a gear ring simultaneously engage, the lower section of the inner circumference of the gear ring matches the outer circumference of a tray which is provided with three planetary holes, each planetary hole is provided inside with a geared ring, one to ten drill rods are fixed to the lower portion of each planetary gear by bearings, and the lower end of each drill rod is provided with a drill head. The utility model has the advantages that, first, the utility model is suitable for super-large-diameter construction and can realize drilling construction with a diameter of one to five meters or larger; second, the utility model can adapt to various complicated geological situations by changing different drill heads and drill rods.

Description

A kind of large-diameter pile foundation engineering of star motion becomes hole drill tool
Affiliated technical field:
The utility model relates to pile foundation engineering pore-forming equipment in the building, promptly carries out the drilling tool of large diameter borehole in ground.
Background technology:
In engineering construction, the basis of generally will driving piles earlier, the present construction of diameter pile foundation pore-forming below 2 meters, be extensive use of jump bit and rotary drilling, general relatively more smooth in the Small Diameter Pile foundation construction, but at super-large diameter, promptly more than 2 meters in the pile foundation construction of diameter, there is following problem: 1, equipment heaviness, cost height, labour intensity is big, progress is slow, and 2, the risk height, the hole of collapsing easily, when taking the construction of open caisson dewatering excavation method, problems such as open caisson off normal, delay and well head depression take place easily.3, sediment is residual at the bottom of the hole, can not thoroughly remove.
Summary of the invention:
In order to overcome the difficulty of present large-diameter pile foundation pore-forming, the utility model provides a kind of drill bit to become the large-diameter pile foundation engineering of star motion to become hole drill tool.
The technical solution of the utility model is: this drilling tool is by drilling cramp, line shaft, gear train, drilling rod, drill bit is formed, it is characterized in that drilling cramp is by the upper bracket circle, lower carriage circle and the oblique fulcrum bar between them are formed, line shaft is the garden bar of hollow, be positioned at, on the central axis of lower carriage circle, be connected with bearing with the upper bracket circle, in the lower carriage circle, gear train is arranged, gear train is by a central gear, three planetary gears, gear ring and pallet are formed, central gear is keyed on the line shaft, 3 identical planetary gears of size are evenly distributed on around the central gear, planetary gear and central gear, the internal tooth of gear ring epimere meshes simultaneously, gear ring and lower carriage circle are fixed together, the hypomere in garden week is smooth garden cylinder in the gear ring, with outer garden week of pallet movingly, pallet is the smooth garden dish in a side, 3 and corresponding 3 the planet holes of planetary gear are arranged on it, it in the planet hole gear ring, 1~10 drilling rod is evenly being fixed with bearing in the bottom of each planetary gear, the lower end of drilling rod is equipped with drill bit, the middle part of drilling rod is fixed with transmitting gear with key, the internal tooth in the planet hole on this transmitting gear and the pallet is meshed, all there is interior edge the gear ring upper and lower, the soffit on edge contacts with the planetary gear upper surface in the top, and the soffit of the upper surface on edge and pallet contacts in the bottom.
The length of the drilling rod below three planetary gears can be identical, also can be different.According to the difference of drilling rod pattern, commonly used vertical short drill pipe type arranged, impact three kinds on plektron and universal long drill pipe type, can decide according to different geological conditionss.
The utility model has the advantages that: 1, be applicable to super-large diameter construction, can carry out the drilling construction of 1 meter~5 meters or larger diameter; 2, the form by the different drill bit of conversion, drilling rod, the geological condition that can adapt to various complexity, both can on hard basement rock, construct, also be applicable to not drainage construction of retaining wall open caisson, as under the condition of thick weak soil matter overburden, no panelling construction can carry out fast pore-forming, fast casting method construction, avoids the hole wall distortion; 3, match power is little relatively, and energy consumption is low, and the boring cost is low, can adaptive other common apparatus.4, in scum pipe, make bubble by compressed air, realize the anti-highly effective slag draining that circulates of mud.5, both surface driving be can be designed to, diving variable speed electric motors, particularly integrated design or fluid motor-driven also can be adopted.6, the clear hole of construction is thorough fast.7, take cement concrete back cover and backfill, can adapt to construction such as the special geology layer of breaking through drifting sand layer and ductility limit soil.8, by observing deslagging, can grasp the geology situation of change in real time.
Description of drawings:
Also the utility model is described in further detail in conjunction with the accompanying drawings for 3 embodiment below:
Fig. 1 is the sectional drawing of the 1st embodiment
Fig. 2 is the sectional drawing of the 2nd embodiment
Fig. 3 is the sectional drawing of the 3rd embodiment
Fig. 4 is the A-A sectional drawing of Fig. 1
Fig. 5 is the B-B sectional drawing of Fig. 2
Fig. 6 is the C-C sectional drawing of Fig. 3
Fig. 7 is the D-D sectional drawing of Fig. 3
1, upper bracket circle, 2, the lower carriage circle, 3, oblique fulcrum bar, 4, line shaft, 5, central gear, 6, planetary gear, 7, gear ring, 8, pallet, 9, planet hole, 10, drilling rod, 11, drill bit, 12, transmitting gear, 13, upper flat plate, 14, cradling piece, 15, driving gear, 16, driven gear, 17, cross transmission knot, 18, universal knot, 19 hammers intermittently, 20, the compressed air mouth, 21, slag outlet, 22, the projection of having a rest, 23, the constraint sleeve.
The specific embodiment:
In the 1st embodiment of Fig. 1, drilling cramp is by upper bracket circle (1), lower carriage circle (2) and the oblique fulcrum bar between them (3) are welded, line shaft (4) is a hollow garden bar, use bearing fixing with upper bracket circle (1), in lower carriage circle (2), central gear (5) is keyed on the line shaft (4), 3 planetary gears (6) be evenly distributed on central gear (5) around, planetary gear (6) and central gear (5), the internal tooth of gear ring (7) epimere meshes simultaneously, gear ring (7) links together with screw with lower carriage circle (2), the hypomere in gear ring (7) interior garden week is smooth garden cylinder, with outer garden week of pallet (8) movingly, pallet (8) is the smooth garden dish in a side, have on it and corresponding 3 the planet holes of planetary gear (6) (9), in the planet hole (9) is gear ring, 3 drilling rods (10) are evenly being fixed with bearing in the bottom of each planetary gear (6), the lower end of drilling rod (10) is equipped with drill bit (11), transmitting gear (12) is being fixed with key in the middle part of drilling rod (10), transmitting gear (12) is meshed with the internal tooth of planet hole (9), all there is interior edge the upper and lower of gear ring (7), the soffit on edge contacts with the upper surface of planetary gear (6) in the top, the upper surface on edge contacts with the soffit of pallet (8) in the bottom, and gear ring (7) is assembled together planetary gear (6) and pallet (8).
When line shaft (4) rotate right, driving central gear (5) rotates, under the acting in conjunction of gear ring (7), make planetary gear (6) rotation and revolution, planetary gear (6) is by drilling rod (10), transmitting gear (12), planet hole (9), pallet (8) is rotated, and it is synchronous with the revolution of planetary gear (6), because the rotation of planetary gear (6) in planet hole (9), drive drilling rod (10) by transmitting gear (12), drill bit (11) rotates, and rock cutting, because the revolution of planetary gear (6) makes drilling rod (10), drill bit (11) is done the curvilinear motion of rule at the bottom of the hole, form the fine and closely woven netted flexure plane down of circumferential rounded, smooth-going continuously and do not stop change cutting point can more effective rock cutting.
In the 2nd embodiment of Fig. 2, be on the basis of embodiment 1, the upper end of drilling rod (10) is with weight (19), the endoporus of weight (19) divides two sections, epimere is the garden cylindricality, there is the helicla flute that expands into right-angled triangle on the surface, there is the projection of having a rest (22) that matches with weight (19) hole inner spiral groove on the surface of drilling rod (10) upper end, the hypomere cross section is a regular hexagon, the collar tube (23) of having an appointment between drilling rod (10) and the weight (19), the outer cross section of sleeve (23) is a regular hexagon, interior cross section is a garden shape, is fixed on the planetary gear (6), when drilling rod (10) rotates, because the projection on drilling rod (10) surface and the spiral fluted effect on weight (19) endoporus, weight (19) rises along sleeve (23), when rising to peak, falls suddenly, the rotation that drilling rod (10) does not stop makes weight (19) constantly impact drilling rod (10).
In the 3rd embodiment of Fig. 3, be on the basis of embodiment 1, in drilling cramp, add an inner support, inner support is made up of upper flat plate (13) and cradling piece (14), upper flat plate (13) is horizontally fixed on the line shaft (4) with bearing, cradling piece (14) is connecting upper flat plate (13) edge and lower carriage circle (2), a driving gear (15) and 3 equally distributed driven gears (16) are arranged above the upper flat plate (13), driving gear (15) links to each other with line shaft (4) with key, driven gear (16) uses bearing fixing on upper flat plate (13), and mesh with driving gear (15), there is cross transmission knot (17) the central axis lower end of driven gear (16), cross transmission knot (17) is connecting the upper end of drilling rod (10), drilling rod (10) stretches out outside the drilling cramp by the universal knot (18) on the planetary gear (6), the lower end of drilling rod (10) is equipped with drill bit (11), and drilling rod (10) is a multi-section type, each the joint between with being threaded.How much length of drilling rod (10) can regulating because of joint number.
When line shaft (4) rotates, driving driving gear (15) and driven gear (16) rotates, by cross transmission joint (18) drilling rod (10) is rotated, planetary gear (6) makes drilling rod (10) conversion cutting point constantly by universal knot (18), thereby rock is carried out effectively broken and excavation.
(20) be compressed air inlet, reduce the proportion of mud in the moving axis (4), make that mud constantly rises from slag outlet (21) in the hole in, carry secretly be broken or loosening native stone until the discharge face of land.
In above-mentioned 3 embodiment, central gear (5) and planetary gear (6) can be arranged on the horizontal plane, also can taperedly arrange, promptly 3 planetary gears (6) have an angle with horizontal plane.
In embodiment 3, long drill pipe can replace with jet pipe, and high-pressure slurry stream sprays from jet pipe, on the cutting rock, to adapt to uneven geological conditions.
On the lower carriage circle, ultrasonic probe can be installed, utilize ultrasound imaging techniques, situation in Real Time Observation shaft bottom, ground.

Claims (6)

1, a kind of large-diameter pile foundation engineering of star motion becomes hole drill tool, by drilling cramp, line shaft, gear train, drilling rod, drill bit is formed, it is characterized in that drilling cramp is by the upper bracket circle, lower carriage circle and the oblique fulcrum bar between them are formed, line shaft is the garden bar of hollow, be positioned at, on the central axis of lower carriage circle, be connected with bearing with the upper bracket circle, in the lower carriage circle, gear train is arranged, gear train is by a central gear, three planetary gears, gear ring and pallet are formed, central gear is keyed on the line shaft, 3 identical planetary gears of size are evenly distributed on around the central gear, planetary gear and central gear, the internal tooth of gear ring epimere meshes simultaneously, gear ring and lower carriage circle are fixed together, the hypomere in garden week is smooth garden cylinder in the gear ring, with outer garden week of pallet movingly, pallet is the smooth garden dish in a side, 3 and corresponding 3 the planet holes of planetary gear are arranged on it, it in the planet hole gear ring, 1~10 drilling rod is evenly being fixed with bearing in the bottom of each planetary gear, the lower end of drilling rod is equipped with drill bit, the middle part of drilling rod is fixed with transmitting gear with key, the internal tooth in the planet hole on this transmitting gear and the pallet is meshed, all there is interior edge the gear ring upper and lower, the soffit on edge contacts with the planetary gear upper surface in the top, and the soffit of the upper surface on edge and pallet contacts in the bottom.
2, the large-diameter pile foundation engineering of a kind of star motion according to claim 1 becomes hole drill tool, it is characterized in that: the upper end of drilling rod (10) is with weight (19), the endoporus of weight (19) divides two sections, epimere is the garden cylindricality, there is the helicla flute that expands into right-angled triangle on the surface, there is the projection of having a rest (22) that matches with weight (19) hole inner spiral groove on the surface of drilling rod (10) upper end, the hypomere cross section is a regular hexagon, the collar tube (23) of having an appointment between drilling rod (10) and the weight (19), the outer cross section of sleeve (23) is a regular hexagon, interior cross section is a garden shape, is fixed on the planetary gear (6).
3, the large-diameter pile foundation engineering of a kind of star motion according to claim 1 becomes hole drill tool, it is characterized in that: in drilling cramp, add an inner support, inner support is made up of upper flat plate (13) and cradling piece (14), upper flat plate (13) is horizontally fixed on the line shaft (4) with bearing, cradling piece (14) is connecting upper flat plate (13) edge and lower carriage circle (2), a driving gear (15) and 3 equally distributed driven gears (16) are arranged above the upper flat plate (13), driving gear (15) links to each other with line shaft (4) with key, driven gear (16) uses bearing fixing on upper flat plate (13), and mesh with driving gear (15), there is cross transmission knot (17) the central axis lower end of driven gear (16), cross transmission knot (17) is connecting the upper end of drilling rod (10), drilling rod (10) stretches out outside the drilling cramp by the universal knot (18) on the planetary gear (6), the lower end of drilling rod (10) is equipped with drill bit (11), drilling rod (10) is a multi-section type, each the joint between with being threaded.
4, the large-diameter pile foundation engineering according to claim 1,2,3 described a kind of star motions becomes hole drill tool it is characterized in that: central gear (5) and the tapered layout of planetary gear (6), promptly 3 planetary gears (6) have an angle with horizontal plane.
5, the large-diameter pile foundation engineering according to claim 1,2,3 described a kind of star motions becomes hole drill tool, it is characterized in that on the lower carriage circle ultrasonic probe being installed.
6, the large-diameter pile foundation engineering of a kind of star motion according to claim 3 becomes hole drill tool, it is characterized in that long drill pipe is a jet pipe.
CN 02223694 2002-03-28 2002-03-28 Pore-forming drill of large diameter pile foundation engineering moving as epicyclic motion CN2541598Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 02223694 CN2541598Y (en) 2002-03-28 2002-03-28 Pore-forming drill of large diameter pile foundation engineering moving as epicyclic motion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 02223694 CN2541598Y (en) 2002-03-28 2002-03-28 Pore-forming drill of large diameter pile foundation engineering moving as epicyclic motion

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102449257A (en) * 2009-05-28 2012-05-09 核心岩土工程有限公司 Method and apparatus for drilling large-diameter hole in ground
CN103306606A (en) * 2013-06-28 2013-09-18 中国地质大学(武汉) Planetary gear train energy-saving dual-layer drill for drilling of deep oil gas well
CN104838071A (en) * 2012-12-10 2015-08-12 雅龙·莱尔·麦克米伦 Modified stone column drill
CN110219583A (en) * 2019-06-12 2019-09-10 湖南科技大学 A kind of large aperture pineapple hair style hard rock is crushed impactor and breaking method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102449257A (en) * 2009-05-28 2012-05-09 核心岩土工程有限公司 Method and apparatus for drilling large-diameter hole in ground
CN102449257B (en) * 2009-05-28 2015-02-18 核心岩土工程有限公司 Method and apparatus for drilling large-diameter hole in ground
CN104838071A (en) * 2012-12-10 2015-08-12 雅龙·莱尔·麦克米伦 Modified stone column drill
CN104838071B (en) * 2012-12-10 2017-04-05 雅龙·莱尔·麦克米伦 Improved stone mar rig
CN103306606A (en) * 2013-06-28 2013-09-18 中国地质大学(武汉) Planetary gear train energy-saving dual-layer drill for drilling of deep oil gas well
CN110219583A (en) * 2019-06-12 2019-09-10 湖南科技大学 A kind of large aperture pineapple hair style hard rock is crushed impactor and breaking method
CN110219583B (en) * 2019-06-12 2020-07-24 湖南科技大学 Large-aperture pineapple head type hard rock crushing impactor and crushing method

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