CN111894448A - Portable rotary digging equipment for construction of tower foundation pile hole in mountainous and hilly land - Google Patents
Portable rotary digging equipment for construction of tower foundation pile hole in mountainous and hilly land Download PDFInfo
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- CN111894448A CN111894448A CN202010739916.4A CN202010739916A CN111894448A CN 111894448 A CN111894448 A CN 111894448A CN 202010739916 A CN202010739916 A CN 202010739916A CN 111894448 A CN111894448 A CN 111894448A
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- 238000010276 construction Methods 0.000 title claims abstract description 48
- 230000007246 mechanism Effects 0.000 claims abstract description 57
- 238000005553 drilling Methods 0.000 claims abstract description 34
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 8
- 230000010354 integration Effects 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 5
- 210000000078 claw Anatomy 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 10
- 239000002689 soil Substances 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000002893 slag Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000009527 percussion Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011664 nicotinic acid Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Classifications
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- 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
- E21B4/04—Electric drives
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- 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
- E21B10/00—Drill bits
- E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
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- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
- E21B19/084—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with flexible drawing means, e.g. cables
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- 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
- E21B27/00—Containers for collecting or depositing substances in boreholes or wells, e.g. bailers, baskets or buckets for collecting mud or sand; Drill bits with means for collecting substances, e.g. valve drill bits
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- 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
- E21B4/18—Anchoring or feeding in the borehole
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides portable rotary excavating equipment for construction of foundation pile holes of towers in mountainous and hilly lands, which comprises a support module, a positioning adjustment module, a driving module and a drill bit module, wherein the positioning adjustment module comprises a first base, radial propping mechanisms which are arranged on the first base and are used for positioning the adjustment module along the wall of a propping pile hole which is circumferentially distributed at equal intervals, and axial propping mechanisms which are arranged along the vertical direction and have the front ends acting on the driving module to push a drill bit to feed and adjust the drilling and excavating direction; the driving module comprises a second base, a motor arranged on the second base and used for driving the drill bit to rotate and a speed reducer fixed on a motor shaft; the drill bit module comprises a charging barrel connected with the second base and used for containing muck, a drill rod positioned in the charging barrel and fixedly connected with the output shaft of the speed reducer, and a spiral blade type drill bit fixed on the circumference of the drill rod. The invention has the advantages of compact and simple structure, convenient assembly and disassembly, small volume and light weight, and is convenient for transportation in hilly and mountainous regions.
Description
Technical Field
The invention relates to the field of civil foundation construction pile hole rotary excavating engineering, in particular to portable rotary excavating equipment for construction operation of a foundation pile hole of a power transmission line iron tower in mountainous and hilly areas and construction operation of a foundation pile hole of an air pole tower.
Technical Field
With the continuous acceleration of the foundation construction footsteps, the mechanized construction is widely applied to various fields, and the mechanized construction is greatly limited due to the reasons of complex construction environment, dispersed tower foundations, inconvenient traffic and the like. The traditional construction mode has the problems of low construction efficiency, high labor intensity and the like, and is difficult to adapt to the rapid development of the power transmission line. In recent years, national grid companies have been dedicated to the research work of whole-process mechanized construction, tower footing construction is used as an important component of a power transmission line, and the degree of mechanized construction is particularly important. The tower footing foundation construction mainly comprises the following characteristics:
1. the high-voltage transmission line passes through mountainous areas and valleys mostly, the terrain is complex, the position of a tower foundation is remote, and the high-voltage transmission line is not beneficial to the approach of large-scale mechanized equipment.
2. The distance of the power transmission line is long, the geology along the line is complex and changeable, the geological conditions of the tower footing are complex and changeable, and unpredictability exists, so that the mechanical equipment is required to have the construction capacity of a complex stratum.
3. Each tower footing foundation is generally composed of 4 piles, the distance between tower foundations is long, construction areas are extremely dispersed, mechanical equipment frequently shifts, and the advantage of efficient construction is difficult to exert.
At present, a percussion drill and a reverse circulation drill are mostly adopted for construction of the power transmission line tower footing foundation, equipment is disassembled before entering a field and then is transported to a construction site for assembly, the degree of mechanization in the construction process is low, a large amount of manpower is needed, the pile forming quality of the equipment is poor, and the construction efficiency is low.
In order to overcome the defects of a percussion drill and a reverse circulation drill, a modularized rotary drilling rig is developed in the field of engineering machinery, and has the characteristics of convenience in operation, strong adaptability, safety, reliability, saving and high efficiency. The rotary drilling rig mainly comprises a walking device, a luffing mechanism, a cab, a rotary platform, a power system, a hoisting mechanism, a balance weight, a hydraulic system, an electric system, a drilling mast, a drill pipe drilling tool and the like, and can be disassembled into 10 parts. After the disassembly, the weight of any part is less than 5t, and the requirement that the cableway transportation is not more than 5t during the construction in the mountainous area is met. The chassis of the rotary drilling rig adopts the telescopic track, so that the stability is strong, and the walking performance is excellent. The rotary drilling rig can realize functions of walking locking, rotation protection, height limiting, working amplitude limiting and the like during drilling operation, and has devices for oil temperature alarming, oil level alarming, inclination angle limiting and the like. Under the condition of complex and dangerous road conditions, remote control operation can be adopted, and the safety of operators is ensured. Besides, the rotary drilling rig is more convenient to form holes, the construction site does not need too many personnel for cooperation, the step of secondary punching can be omitted, the generated slurry can be recycled, and only the slurry needs to be uniformly transported away and discharged to a specified place after the construction of the foundation cast-in-place pile is finished. Related products are available in domestic triple-play, creep, intermediate-link and mountain and river intelligence. However, the rotary drilling rig in the prior art has the defects of large equipment volume, heavy weight and more components, and the existing rotary drilling engineering machinery is difficult to perform due to the fact that the power transmission line tower foundations are dispersed, particularly, construction is carried out in hilly and mountainous regions, traffic is inconvenient, and construction material equipment needs to be carried by people. Therefore, development of portable and modularized small-sized rotary excavating equipment as soon as possible, and adaptation to construction of power transmission line tower foundations and wind power tower foundations in hills and mountains are important subjects facing science and technology workers in the field.
Disclosure of Invention
Aiming at the defects of heavy weight, difficult carrying, inconvenience in construction operation in mountainous and hilly lands and the like of the rotary drilling rig for the tower foundation pile hole in the prior art, the invention aims to provide portable rotary drilling equipment for the construction of the tower foundation pile hole in the mountainous and hilly lands so as to meet the construction requirements of tower foundations and wind power tower foundations of power transmission lines in the mountainous and hilly areas.
The invention provides portable rotary excavating equipment for construction of foundation pile holes of a tower in mountainous and hilly lands, which comprises a support module and a rotary excavating integrated module, wherein the support module comprises a support which is fixedly arranged on the ground and consists of detachable truss rods and a hoisting device which is arranged on the support and is used for hoisting the rotary excavating integrated module; the rotary drilling integrated module comprises a positioning adjustment module, a driving module and a drill bit module, wherein the positioning adjustment module comprises a first base, a plurality of pairs of radial abutting mechanisms and a plurality of pairs of axial abutting mechanisms, wherein the abutting mechanisms are arranged on the first base and are used for positioning the adjustment module along the hole walls of abutting piles which are distributed at equal intervals along the circumferential direction, and the plurality of pairs of axial abutting mechanisms are arranged along the vertical direction, and the front ends of the axial abutting mechanisms act on the driving module to push the drill bit to feed and adjust the drilling and excavating direction; the driving module comprises a second base, a motor arranged on the second base and used for driving the drill bit to rotate and a speed reducer fixed on a motor shaft; the drill bit module comprises a charging barrel connected with the second base and used for containing muck, a drill rod positioned in the charging barrel and fixedly connected with the output shaft of the speed reducer, and a spiral blade type drill bit fixed on the drill rod.
According to the portable rotary excavating equipment, the rotary excavating operation is carried out after the pile hole is excavated manually. If all pile holes are subjected to rotary drilling operation by adopting the equipment disclosed by the invention, a device for guiding the positioning adjusting module on the ground needs to be additionally designed for pushing the drill bit to feed and adjusting the drilling and digging direction. Ground guider can comprise leading truck and guide bar, and the leading truck is installed on the support through the guide bar that sets up on the support, and on the leading truck passed through the vice installation guide bar of sliding connection, the leading truck was designed to hold and is pressed from both sides tightly connection structure's holding clamping jaw on the first frame of positioning adjustment module realizes that the device advances to fix a position when stake hole initial excavation, promotes the drill bit and feeds and adjust and bore the direction of digging. When the pile hole is dug in a rotary mode, the positioning, axial feeding and verticality adjusting are not needed, and the positioning adjusting module in the rotary digging integrated module is used for positioning, pushing a drill bit to feed and adjusting the drilling and digging direction. The ground guiding device can also be designed into other structural forms.
The invention can further adopt the following technical measures, and the following technical measures can be implemented independently, also can be implemented in a combination way, and even can be implemented together.
In the above technical solution of the present invention, further: the support is of an equilateral triangle structure and consists of an upper triangular plane support, a lower triangular plane support and three vertical rods, and the three vertical rods are respectively connected with the upper triangular plane support and the lower triangular plane support; the three guide rods forming the ground guide device are preferably arranged in the middle of truss rods forming the bottom edges of three approximate small triangles respectively; the sliding connection structure for connecting the guide frame and the guide rod preferably adopts a sliding connection structure consisting of linear bearings; the hoisting device preferably adopts a hoisting device consisting of a pulley and an electric hoist. Together forming a rack module.
In the above technical solution of the present invention, further: the radial propping mechanism can be composed of a propping block for propping the hole wall of the pile, and an oil pressure piston cylinder driving mechanism, an air pressure piston cylinder driving mechanism or a screw nut driving mechanism acting on the propping block, wherein the actuating components of the oil pressure piston cylinder driving mechanism, the air pressure piston cylinder driving mechanism or the screw nut driving mechanism are connected with the propping block; preferably, oil or pneumatic piston cylinders are used. The radial propping mechanisms distributed at equal intervals along the circumferential direction can be arranged in one layer or multiple layers, and the specific arrangement is determined by the depth of the pile hole and the geological condition; furthermore, 3 pairs of radial abutting mechanisms are preferably arranged on each layer and are distributed at equal intervals of 120 degrees.
In the technical scheme of the invention, the axial abutting mechanism can be an oil pressure piston cylinder driving mechanism, an air pressure piston cylinder driving mechanism and a screw nut driving mechanism, and the front end of an actuating part of the driving mechanism is in operative connection with the second base to push the drill bit to feed and adjust the drilling and excavating direction; preferably, an oil or pneumatic piston cylinder drive is used. Furthermore, the axial propping mechanism preferably adopts 3 pairs or 4 pairs, and when the number of the axial propping mechanisms is three, the axial propping mechanisms are symmetrically distributed on the plane in an equal radius of 120 degrees; when four pairs are adopted, the four pairs are arranged in a plane in an axisymmetric mode of 90 degrees and equal radius so as to adjust the drilling direction.
In the technical scheme of the invention, the top of the first machine base is provided with a connecting shaft which is matched with the holding clamp on the guide frame to form a holding clamping mechanism, and the formed holding clamping mechanism is used for holding the connecting shaft by the holding clamping claw after the guide frame is contacted with the connecting shaft on the top of the top block of the first machine base so as to drive the rotary drilling integrated module to move up and down along the guide rod. Furthermore, a touch sensor can be designed on one side of the holding clamping mechanism, and the touch sensor can be automatically held after the guide frame is contacted with the connecting shaft on the top of the first machine base top block, so that the working efficiency of the equipment is improved.
In the technical scheme of the invention, the spiral blade type drill bit can be of an integral structure, and the whole is made of hard alloy materials; the device can also be designed to be composed of a residue soil conveying part and a rotary digging part; in order to reduce the production cost of equipment, the latter structural form is preferably adopted, a conveying part for conveying the slag soil can be made of common steel, and a rotary digging part for rotary digging soil, gravel and rock is made of hard alloy materials with better wear resistance and strength; or all the spiral blades are made of hard alloy materials, but the thickness of the spiral blade of the slag conveying part can be smaller, and the thickness of the spiral blade of the rotary digging part can be larger, so that the strength of the spiral blade is enhanced.
In the above technical solution of the present invention, the connection manner between the positioning adjustment module in the rotary drilling integrated module and the driving module may be a contact connection or a loose connection; when the connection is in contact action, the connection between the bracket module and the rotary digging integration module is connected with a cable of the hoisting device through the driving module; when the connection is loose, the support module is connected with the rotary digging integration module through the positioning adjustment module and the cable of the hoisting device.
The portable rotary excavating equipment for the construction of the foundation pile hole of the tower in the mountainous and hilly lands is characterized in that all modules and main components are detachably connected.
The invention provides portable rotary excavating equipment for construction of a foundation pile hole in mountainous and hilly areas, which adopts a bionic design for reference of a traditional method that a worker takes a bucket to excavate a pile hole, fixes a drill bit at any position of the pile hole by utilizing a plurality of radial abutting mechanisms of a positioning adjusting module, pushes the drill bit to feed in the axial direction by utilizing a plurality of axial abutting mechanisms which can stretch in the axial direction of the positioning adjusting module, and corrects the perpendicularity of the pile hole by controlling the stretching amount of the axial abutting mechanisms to adjust the drilling direction of the drill bit; the spiral blade type drill bit is provided with a conveying part for conveying the muck and a rotary digging part for rotary digging the soil and the rock, and the conveying part and the rotary digging part are made of different materials and different thicknesses, so that the weight and the cost of the drill bit are reduced, and the drill bit is convenient to transport in modules; after the drill bit is fed to a specified depth, the drill bit is pulled out of the pile hole by using an electric hoist fixed above the bracket to unload soil. And repeating the steps for multiple times to finish the pile hole construction.
The portable rotary excavating equipment for the construction of the tower foundation pile hole in the mountainous and hilly lands is in modular design, has a compact and simple structure, is convenient to disassemble and assemble, has a small volume and light weight, is convenient for transportation in hilly and mountainous regions, and can be suitable for the excavation operation of the tower foundation pile hole with the diameter of 0.9-1.4 meters and the depth of 8-15 meters in different geology by replacing drill bits with different specifications. But also has the automatic deviation rectifying function of the verticality, and ensures that the verticality of the pile hole meets the construction requirement of the pile hole of the iron tower foundation. The invention discloses a very practical device for digging a tower footing pile hole in mountainous and hilly lands
Drawings
FIG. 1 is a schematic structural diagram of the portable pile hole rotary excavating equipment.
Fig. 2-1 is a schematic front view structure diagram of the portable pile hole rotary excavating device support module.
Fig. 2-2 is a schematic top view structure diagram of the portable pile hole rotary digging device support module.
FIG. 3-1 is a schematic view of a positioning adjustment module of the portable pile hole rotary excavating device.
Fig. 3-2 is a schematic view of a top view structure of a positioning adjustment module of the portable pile hole rotary drilling device.
In the above drawings, the objects identified by the respective drawing reference numerals are: 1-a formation; 2-protecting the wall; 3-a muck conveying section; 4-radial resisting mechanism; 5-a linear bearing; 6-a guide frame; 7-a cable; 8-a guide rod; 9-a scaffold; 10-a pulley; 11-electric hoist; 12-a soil-moving trolley; 13-axial abutting means; 14-a drive module; 15-a barrel; 16-helical blade drill bit; 17-a wheel; 18-earth moving vehicle guide rails; 19-a top block; 20-connecting shaft.
Detailed Description
The invention is further described by the embodiment. It should be particularly noted that the embodiments of the present invention are not limited to the forms described in the examples.
The structure of the portable rotary excavating equipment for the construction of the foundation pile hole of the tower in the mountainous and hilly lands is shown in the attached drawings 1 to 3-2, and the portable rotary excavating equipment is composed of a support module and a rotary excavating integration module.
The structure of the bracket module is shown in the attached drawings 1, 2-1 and 2-2, and the bracket module is composed of a bracket 9 fixedly arranged on the ground, a guide device arranged on the bracket and a hoisting device arranged on the bracket and used for hoisting the rotary digging integrated module; the support is of an equilateral triangle structure and consists of an upper triangular plane support and a lower triangular plane support which are composed of detachable truss rods and upright rods; the guide device is composed of a guide frame 6 and three guide rods 8, the guide frame is installed on the support through the guide rods arranged on the support, the guide frame is installed on the guide rods through a sliding connection pair composed of linear bearings 5, and the guide frame is designed with holding clamping jaws forming a holding pair; the three guide rods are respectively arranged in the middle of the truss rods forming the bottom edges of the three approximate small triangles; the hoisting device is composed of a pulley 10 and an electric hoist 11 which are arranged on the support, and is connected with a positioning adjustment module in the rotary digging integration module through a cable 7.
The rotary drilling integration module is composed of a positioning adjustment module, a driving module (14) and a drill bit module, and is shown in attached figures 1, 3-1 and 3-2. The positioning adjustment module consists of a first base, three pairs of radial abutting mechanisms 4 which are arranged on the first base and used for fixing the positioning adjustment module along the hole walls of abutting piles which are distributed at equal intervals in the circumferential direction, and four pairs of axial abutting mechanisms 13 which are arranged in the vertical direction and have the front ends acting on the driving module to push the drill bit to feed and adjust the drilling and excavating direction; the radial propping mechanism is composed of an oil pressure pistonA cylinder driving mechanism and a top block 19 connected with a piston rod of the cylinder driving mechanism, wherein three pairs of radial propping mechanisms are mutually spaced by 1200Arranging; the axial abutting mechanism is an oil pressure piston cylinder driving mechanism, four pairs of oil pressure piston cylinders are arranged in a 90-degree equal-radius axial symmetry mode on the plane, and piston rods of the four pairs of oil pressure piston cylinders are hinged with a second base forming a driving module; and a connecting shaft 20 is designed on the top of the first machine base, forms a holding clamping mechanism with a holding clamping jaw on a guide frame in the support module, is connected with a cable of a hoisting device in the support module, and is used for hoisting the whole rotary drilling integrated module.
The driving module is composed of a second base, a motor arranged on the second base and used for driving the drill bit to rotate and a speed reducer fixed on a motor shaft, and the second base is hinged with a piston rod in an oil pressure piston cylinder serving as an axial abutting mechanism in the positioning adjusting module.
The drill bit module comprises a charging barrel 15 which is connected with the second base and used for containing muck, a drill rod which is positioned in the charging barrel and fixedly connected with the output shaft of the speed reducer, and a helical blade type drill bit 16 which is fixed on the circumference of the drill rod; the spiral blade type drill bit is composed of a slag soil conveying part 3 and a rotary excavating part, the conveying part for conveying slag soil is made of general steel, and the rotary excavating part for rotary excavating soil, gravel and rock is made of hard alloy materials with good wear resistance and strength, so that the manufacturing cost is reduced, and the service life and the working efficiency of the spiral blade type drill bit are improved.
The portable rotary drilling equipment can replace helical blade type drill bits with different structures according to different geological conditions.
Claims (10)
1. A portable rotary excavating device for construction of a foundation pile hole of a tower in mountainous and hilly lands is characterized by comprising a support module and a rotary excavating integration module, wherein the support module comprises a support (9) which is fixedly arranged on the ground and consists of a detachable truss rod and a hoisting device which is arranged on the support and is used for hoisting the rotary excavating integration module; the rotary drilling integrated module comprises a positioning adjustment module, a driving module (14) and a drill bit module, wherein the positioning adjustment module comprises a first base, a plurality of pairs of radial abutting mechanisms (4) which are arranged on the first base and used for positioning the adjustment module and abutting against the hole wall of a tightly-abutting pile, and a plurality of pairs of axial abutting mechanisms (13) which are arranged in the vertical direction and the front ends of which act on the driving module to push a drill bit to feed and adjust the drilling and excavating direction; the driving module comprises a second base, a motor arranged on the second base and used for driving the drill bit to rotate and a speed reducer fixed on a motor shaft; the drill bit module comprises a charging barrel (15) connected with the second base and used for containing muck, a drill rod (3) positioned in the charging barrel and fixedly connected with an output shaft of the speed reducer, and a spiral blade type drill bit (16) fixed on the drill rod.
2. The portable rotary excavating equipment for foundation pile hole construction of mountain and hilly land tower according to claim 1 is characterized in that the support module is designed with a guiding device composed of a guiding frame (6) and a guiding rod (8), the guiding frame is installed on the support through the guiding rod (8) arranged on the support, the guiding frame is installed on the guiding rod through a sliding connection pair, and the guiding frame is designed with a holding clamping claw which is tightly connected with the first machine base of the positioning adjustment module.
3. The portable rotary excavating equipment for the foundation pile hole construction of the hilly land tower as claimed in claim 2, wherein the support is an equilateral triangle support, which is composed of an upper triangular plane support and a lower triangular plane support and a vertical rod.
4. The portable rotary excavating apparatus for foundation pile hole construction of hilly and mountainous land tower according to claim 3, wherein three guide bars constituting the guide means are respectively provided on truss bars forming three approximately triangular bases.
5. The portable rotary excavating equipment for the foundation pile hole construction of the hilly and mountainous land tower as claimed in claim 2, wherein the sliding connection pair connecting the guide frame and the guide rod is composed of linear bearings.
6. The portable rotary excavating equipment for the foundation pile hole construction of the hilly and mountainous land tower according to claim 1, wherein the hoisting device is composed of a pulley (10) and an electric hoist (11) which are hung on a support.
7. The portable rotary excavating equipment for the foundation pile hole construction of the hilly land tower according to one of the claims 1 to 6, characterized in that the radial abutting mechanism (4) is composed of an abutting block (19) for abutting against the pile hole wall and an oil pressure piston cylinder driving mechanism, an air pressure piston cylinder driving mechanism or a screw nut driving mechanism acting on the abutting block, and the number of layers of the plurality of pairs of radial abutting mechanisms distributed at equal intervals along the circumferential direction is at least one.
8. The portable rotary excavating equipment for foundation pile hole construction of mountainous and hilly land towers is characterized in that the top of the first base is designed with a connecting shaft (20) which is matched with the holding clamping claw on the guide frame to form a holding clamping mechanism, and a touch sensor is designed on one side forming the holding clamping mechanism.
9. The portable rotary drilling device for the foundation pile hole construction of the hilly land tower according to one of claims 1 to 6, wherein the axial propping mechanism is an oil pressure piston cylinder driving mechanism, an air pressure piston cylinder driving mechanism or a screw nut driving mechanism, and the front end of an actuating element of the driving mechanism is operatively connected with the second base to push the drill bit to feed and adjust the drilling direction.
10. The portable rotary drilling equipment for the foundation pile hole construction of the hilly land tower according to one of the claims 1 to 6, wherein the rotary drilling part of the helical blade type drill bit is made of hard alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010739916.4A CN111894448A (en) | 2020-07-28 | 2020-07-28 | Portable rotary digging equipment for construction of tower foundation pile hole in mountainous and hilly land |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010739916.4A CN111894448A (en) | 2020-07-28 | 2020-07-28 | Portable rotary digging equipment for construction of tower foundation pile hole in mountainous and hilly land |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111894448A true CN111894448A (en) | 2020-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010739916.4A Pending CN111894448A (en) | 2020-07-28 | 2020-07-28 | Portable rotary digging equipment for construction of tower foundation pile hole in mountainous and hilly land |
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| Country | Link |
|---|---|
| CN (1) | CN111894448A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356288A (en) * | 2021-07-06 | 2021-09-07 | 中国电建集团贵州电力设计研究院有限公司 | Soil layer pile foundation deviation rectifying method |
| CN115506359A (en) * | 2022-09-20 | 2022-12-23 | 安徽宏源电力建设投资有限公司 | Equipment and method for excavation of transmission tower foundation pit in hilly area |
-
2020
- 2020-07-28 CN CN202010739916.4A patent/CN111894448A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356288A (en) * | 2021-07-06 | 2021-09-07 | 中国电建集团贵州电力设计研究院有限公司 | Soil layer pile foundation deviation rectifying method |
| CN115506359A (en) * | 2022-09-20 | 2022-12-23 | 安徽宏源电力建设投资有限公司 | Equipment and method for excavation of transmission tower foundation pit in hilly area |
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