CN112177526A - Portable rotary excavating equipment for construction of tower footing pile hole in mountainous and hilly land - Google Patents
Portable rotary excavating equipment for construction of tower footing pile hole in mountainous and hilly land Download PDFInfo
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- CN112177526A CN112177526A CN202010970481.4A CN202010970481A CN112177526A CN 112177526 A CN112177526 A CN 112177526A CN 202010970481 A CN202010970481 A CN 202010970481A CN 112177526 A CN112177526 A CN 112177526A
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- 238000010276 construction Methods 0.000 title claims abstract description 46
- 230000007246 mechanism Effects 0.000 claims abstract description 47
- 230000005540 biological transmission Effects 0.000 claims abstract description 33
- 230000005641 tunneling Effects 0.000 claims abstract description 14
- 230000009471 action Effects 0.000 claims abstract description 7
- 239000002689 soil Substances 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000005553 drilling Methods 0.000 description 15
- 239000004576 sand Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000009527 percussion Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004080 punching 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
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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
- E21B19/086—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 a fluid-actuated cylinder
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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
-
- 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
- E21B7/003—Drilling with mechanical conveying means
- E21B7/005—Drilling with mechanical conveying means with helical conveying means
- E21B7/006—Drilling with mechanical conveying means with helical conveying means combined with a bucket-type container
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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 a tower foundation pile hole in mountainous and hilly lands, which comprises a first base, a hoisting device, a rotary excavating feeding module and a rotary excavating tunneling module, wherein the first base is fixed on the ground; the rotary excavating and feeding module comprises a feeding and jacking mechanism, a jacking block and a jacking pipe, wherein the feeding and jacking mechanism is an axial telescopic jacking mechanism, the fixed end of the feeding and jacking mechanism is connected with a supporting beam fixed on a first machine seat, and the telescopic end is used for rotary excavating and tunneling the module under the action of the jacking block and the jacking pipe; the rotary digging and tunneling module consists of a second base, a rotary digging sub-module arranged at the lower part in the second base and a conveying sub-module arranged at the upper part in the second base; the rotary excavating sub-module comprises a first driving motor, a transmission mechanism and a cutter head; the conveying sub-module comprises a hanging cylinder positioned in the second base and a conveying screw positioned in the hanging cylinder and arranged on the hanging cylinder and driven by a second driving motor through a transmission machine. 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
The invention relates to the technical field of excavation construction of civil foundation construction pile holes, in particular to portable rotary excavating equipment for excavation operation of a power transmission line iron tower foundation pile hole and an air pole tower foundation pile hole in mountainous and hilly areas.
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 are always dedicated to 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 the portable rotary drilling equipment for the tower foundation pile hole construction 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 hilly and mountainous regions.
The invention provides portable rotary excavating equipment for construction of a tower foundation pile hole in mountainous and hilly lands, which comprises a first base, a hoisting device, a rotary excavating feeding module and a rotary excavating tunneling module, wherein the first base is fixed on the ground; the rotary excavating feeding module comprises a feeding jacking mechanism, a jacking block and a jacking pipe, wherein the feeding jacking mechanism is an axial telescopic jacking mechanism, a fixed end of the feeding jacking mechanism is connected with a supporting beam fixed on a first machine seat, a telescopic end of the feeding jacking mechanism is in action connection with the jacking block, the upper end of the jacking pipe is in action connection with the jacking block, the lower end of the jacking pipe is in action connection with the rotary excavating tunneling module, and the jacking pipe is formed by assembling a plurality of pipe sections; the rotary excavating and tunneling module consists of a second base, a rotary excavating sub-module arranged at the lower part in the second base and a conveying sub-module arranged at the upper part in the second base; the rotary excavating sub-module comprises a second driving motor, a transmission mechanism and a cutter head, wherein the transmission mechanism consists of a cylindrical outer gear which is arranged on an output shaft of the second driving motor and is meshed with each other and an inner gear ring which is fixed on a cutter head shell; the conveying sub-module comprises a hanging cylinder positioned in the second base, a conveying screw positioned in the hanging cylinder and mounted on the hanging cylinder, a first driving motor and a transmission mechanism which are mounted on the hanging cylinder and drive the conveying screw, and the hanging cylinder is provided with a connecting structure connected with a steel wire rope of the lifting device.
In the above technical solution of the present invention, it is preferable that the two sets of the feeding tightening mechanisms and the two sets of the jacking blocks which constitute the rotary drilling feeding module are both provided, and the two sets of the tightening mechanisms and the jacking blocks which are connected together can respectively move to both sides along the guide rails fixed on the support beam, so as to facilitate the hoisting of the hoisting cylinder which constitutes the soil and gravel discharge module, and discharge the soil, gravel or soil and gravel which are rotary drilled. The feeding and jacking mechanism can be a screw nut jacking mechanism or a hydraulic cylinder plug jacking mechanism, and the hydraulic cylinder plug jacking mechanism is preferably selected.
In the above technical solution of the present invention, the connection between the pipe sections constituting the top pipe is preferably designed to be assembled and connected by an inner and outer spigot ring connection structure, although other connection structures may be adopted for connection; the specific number of pipe sections constituting the jacking pipe is determined by the depth of the foundation pile hole. In order to enable a steel wire of the lifting device to penetrate through a pipe hole of the jacking pipe, the pipe section can be designed to be composed of two symmetrical pipe sections, and the two pipe sections are connected through a convex-concave buckle structure to form a complete pipe section; the pipe section can also be of an integral structure, and a seam for the steel wire rope to enter the pipe hole is designed on the pipe wall.
In the above technical solution of the present invention, in order to prevent the hanging cylinder from shaking, it is considered to provide a guide mechanism between the hanging cylinder and the second machine base, and it is preferred to use a guide wheel guide mechanism, and the guide wheel is preferably provided on the hanging cylinder; furthermore, 3 pairs of guide wheels are arranged between the hanging cylinder and the second machine base and are symmetrically arranged in the same horizontal plane.
In the technical scheme of the invention, the lower end of the conveying screw positioned in the hanging cylinder preferably extends out of the hanging cylinder to the space behind the cutter head, and soil and gravel cut by the cutter head are conveyed into the hanging cylinder; the diameter of the conveying screw in the hanging cylinder is preferably slightly smaller than the inner diameter of the hanging cylinder so as to ensure that the entering soil does not automatically fall down in a large quantity in the hanging process of the hanging cylinder.
In the above-described aspect of the present invention, the transmission mechanism for driving the conveying screw to move is preferably configured to include a driving pulley fixed to the output shaft of the motor, a driven pulley fixed to the conveying screw shaft, and a transmission belt.
In the above technical solution of the present invention, the driving mechanism for driving the cutter head to move preferably adopts multi-point driving, and is driven by a gear transmission pair formed by engaging 3 second electric motors symmetrically arranged and a cylindrical external gear mounted on an output shaft thereof with an internal gear ring fixed on the cutter head.
In the above technical solution of the present invention, the cutter head of the rotary drilling module is preferably connected to the second cylindrical frame base through an inverted cone connecting component, so that the space behind the cutter head forms a space between the cutter head and the inverted cone connecting component for soil and sand under rotary drilling by the cutter head to enter.
In the above technical solution of the present invention, the shape and structure of the second machine base and the hanging cylinder need to be matched, and preferably both adopt cylindrical structures.
In the technical scheme of the invention, the lifting device can be designed to be composed of a triangular support, a pulley suspended on the support, a winch and a steel wire rope, wherein one end of the steel wire rope is connected with the winch, and the other end of the steel wire rope is connected with a hanging cylinder of the soil discharge module through the pulley.
The portable rotary excavating equipment for the construction of the tower foundation pile hole in the mountainous and hilly lands is provided with the modules and the main components which are detachably connected.
The invention also adopts other technical measures.
In addition, in the top block and the top pipe in the invention, the meaning of "top" means resisting and no meaning of orientation; directional terminology, such as upper, lower, left, right, front, rear, etc., is used with reference to the accompanying drawings.
According to the portable rotary excavating equipment for the construction of the tower foundation pile hole in the mountainous and hilly lands, the rotary excavating feeding module pushes the rotary excavating module to feed through the push pipe by using the axial jacking mechanism capable of axially stretching, soil and sand which are rotatably excavated by the cutter head of the rotary excavating sub-module enter a space between the cutter head and the connecting part of the inverted cone, the soil and the sand are conveyed into the hoisting cylinder by the conveying screw conveying the sub-module, after the hoisting cylinder is filled with the soil and the sand, two pairs of combined parts consisting of the feeding jacking mechanism and the jacking block in the rotary excavating feeding module move towards two sides along the guide rail fixed on the support beam, so that the hoisting cylinder hoisted by the hoisting device is hoisted out of the push pipe, then the conveying screw is inverted, the soil and the sand in the hoisting cylinder are discharged, and then the rotary excavating operation is performed for the next time. The top pipe structure with the rotary excavating and feeding module skillfully designed can realize that the rotary excavating and feeding module is tightly pushed up by increasing the number of pipe sections according to the deepening of the excavating depth of the pile hole, and can meet the requirement of excavating the pile holes with different depths.
The portable rotary excavating equipment for the construction of the tower foundation pile hole in the mountainous and hilly areas 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 areas, and can be suitable for the excavation operation of the tower foundation pile holes with the diameters of 0.9-1.4 m and the depths of 8-15 m 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 general schematic diagram of a portable rotary digging device for discharging soil from a hanging basket.
FIG. 2-1 is a schematic view of a rotary excavating feeding module.
Fig. 2-2 is a schematic top view of the rotary excavating feeding module.
Fig. 3 is a schematic structural diagram of the rotary excavating and tunneling module.
Fig. 4-1 is a schematic front view of a transport sub-module.
Fig. 4-2 is a schematic top view of a transport sub-module.
FIG. 5-1 is a schematic view of a rotary excavating sub-module in a front view.
FIG. 5-2 is a schematic view of a top view structure of the rotary excavating sub-module.
FIG. 6-1 is a perspective view of the top pipe section.
FIG. 6-2 is a schematic front view of the pipe jacking section.
In the above drawings, the objects identified by the respective drawing reference numerals are: 1-earth; 2-cutter head; 3-a transmission mechanism; 4-hanging a barrel; 5-pipe jacking; 6-a first machine base; 7-left top block; 8-a scaffold; 9-a pulley; 10-a right top block; 11-a steel wire rope; 12-a winch; 13-a support beam; 14-cylindrical outer gear; 15-a first electric motor; 16-a guide wheel; 17-a driven pulley; 18-a second motor; 19-a conveying screw; 20-a driving pulley; 21-a transmission belt; 22-ring gear; 23-convex-concave snap.
Detailed Description
The following description of the invention will be given with reference to the accompanying drawings, which illustrate an embodiment of the invention. It should be particularly noted that the embodiments of the present invention are not limited to the forms described in the examples. The following description of the invention will be given with reference to the accompanying drawings, which illustrate an embodiment of the invention. It should be particularly noted that the embodiments of the present invention are not limited to the forms described in the examples.
The portable rotary excavating equipment for the construction of the tower foundation pile hole in the mountainous and hilly lands is structurally shown in the attached drawings 1-6-2 and comprises a lifting device, a first base fixed on the ground, a rotary excavating feeding module and a rotary excavating and tunneling module.
The hoisting device is composed of a bracket 8, a pulley 10 hung on the bracket, a winch 12 and a steel wire rope 11 connecting the pulley and the winch, as shown in figure 1.
The rotary excavating feeding module comprises two pairs of hydraulic cylinder plug feeding and jacking mechanisms, a left jacking block 7, a right jacking block 10 and a top pipe 5 as shown in attached drawings 1, 2-2, 6-1 and 6-2, wherein the two pairs of hydraulic cylinder plugs are symmetrically arranged, the cylinder bottom end of the hydraulic piston cylinder on the left side is connected with a supporting beam 13 fixed on a first machine base 6, the telescopic end is in operative connection with the jacking block of the left jacking block 7, the cylinder bottom end of the hydraulic piston cylinder on the right side is connected with the supporting beam 13 fixed on the first machine base 6, the telescopic end is in operative connection with the jacking block of the right jacking block 10, the left jacking block and the right jacking block are symmetrically arranged on the upper end of the top pipe, and the lower end of the top pipe is in operative connection with the rotary excavating and tunneling module. The pipe jacking is formed by assembling and connecting a plurality of pipe sections through an inner stop ring and outer stop ring connecting structure (shown in figure 6-1), each pipe section is formed by two symmetrical pipe flaps, and the two pipe flaps are structurally connected through a convex-concave buckle 23 to form a complete pipe section.
The structure of the rotary digging and tunneling module is shown as the attached drawing 3, the attached drawing 4-1, the attached drawing 4-2, the attached drawing 5-1 and the attached drawing 5-2, and the rotary digging and tunneling module is composed of a second base with a cylindrical structure, a rotary digging sub-module arranged at the lower part in the second base and a conveying sub-module arranged at the upper part in the second base; the rotary excavating sub-module comprises a first driving motor 15, a transmission mechanism 3 and a cutter head, wherein the cutter head is connected through an inverted cone connecting part; the transmission mechanism consists of a cylindrical outer gear which is arranged on an output shaft of the second driving motor and is meshed with each other and an inner gear ring which is fixed on the cutter head shell; the first motor driving the cutter head to move and the cylindrical outer gear installed on the output shaft of the first motor are 3 pairs and are symmetrically arranged, and the first motor and the cylindrical outer gear are respectively meshed with the inner gear ring fixed on the cutter head to form 3 gear transmission pairs.
The conveying sub-module comprises a hanging cylinder 4 positioned in a second machine base, a conveying screw 19 positioned in the hanging cylinder and installed on the hanging cylinder, a second driving motor 18 and a transmission mechanism which are installed on the hanging cylinder and drive the conveying screw, and three guide structures which are uniformly distributed in the circumferential direction and are formed by guide wheels 16 on the outer wall surface of the fixed hanging cylinder are arranged between the second machine base and the hanging cylinder; the transmission mechanism consists of a driving belt pulley 17 fixed on an output shaft of a second driving motor 18, a driven belt pulley 20 fixed on a shaft of a conveying screw 19 and a transmission belt 21; the hanging cylinder is provided with a connecting structure connected with a steel wire rope of the hoisting device.
Claims (10)
1. A portable rotary excavating device for construction of a tower foundation pile hole in mountainous and hilly lands is characterized by comprising a first base (6) fixed on the ground (1), a hoisting device, a rotary excavating and feeding module and a rotary excavating and tunneling module; the rotary excavating feeding module comprises a feeding jacking mechanism, a jacking block (10) and a jacking pipe (5), wherein the feeding jacking mechanism is an axial telescopic jacking mechanism, the fixed end of the feeding jacking mechanism is connected with a supporting beam (13) fixed on a first machine seat, the telescopic end of the feeding jacking mechanism is in action connection with the jacking block, the upper end of the jacking pipe is in action connection with the jacking block, the lower end of the jacking pipe is in action connection with the rotary excavating tunneling module, and the jacking pipe is formed by assembling a plurality of pipe sections; the rotary excavating and tunneling module consists of a second base, a rotary excavating sub-module arranged at the lower part in the second base and a conveying sub-module arranged at the upper part in the second base; the rotary excavating sub-module comprises a second driving motor (15), a transmission mechanism and a cutter head (2), wherein the transmission mechanism consists of a cylindrical outer gear which is arranged on an output shaft of the second driving motor and is meshed with each other and an inner gear ring which is fixed on a cutter head shell; the conveying sub-module comprises a hanging cylinder (4) positioned in the second base, a conveying screw (19) positioned in the hanging cylinder and mounted on the hanging cylinder, a first driving motor (18) mounted on the hanging cylinder and used for driving the conveying screw, and a transmission mechanism, wherein the hanging cylinder is provided with a connecting structure connected with a steel wire rope of the lifting device.
2. The portable rotary excavating equipment for the construction of foundation piles in mountainous and hilly lands as claimed in claim 1, wherein there are two pairs of the feeding jacking mechanisms and the jacking blocks constituting the rotary excavating and feeding module, and two sets of the jacking mechanisms and the jacking blocks connected together can move to both sides along the guide rails fixed on the support beams, so as to facilitate the hoisting of the hoisting cylinders constituting the earth and gravel discharging module.
3. The portable rotary excavating equipment for the construction of foundation piles in mountainous and hilly lands as claimed in claim 1, wherein the feeding and jacking mechanism is a hydraulic cylinder plug mechanism and is symmetrically arranged.
4. The portable rotary excavating equipment for the foundation pile hole construction of the mountain and hilly land tower as claimed in claim 1, wherein the pipe sections forming the top pipe are assembled and connected through an inner spigot ring and an outer spigot ring, and the pipe sections are pipe sections which enable the steel wire rope of the hoisting device to enter the pipe cavity of the top pipe from the pipe wall.
5. The portable rotary excavating apparatus for the construction of foundation pile holes in mountainous and hilly terrain according to one of claims 1 to 4, wherein a guide wheel (16) for preventing the swing of the hoisting cylinder is designed between the hoisting cylinder and the second machine base.
6. The portable rotary excavating equipment for the construction of the foundation pile hole of the mountain and hilly land tower as claimed in claim 5, wherein 3 pairs of guide wheels are arranged between the hoisting cylinder and the second machine base and are symmetrically arranged in the same horizontal plane.
7. The portable rotary excavating equipment for the foundation pile hole construction of the mountain and hilly land tower as claimed in one of claims 1 to 4, wherein the lower end of the conveying screw in the hanging cylinder extends out of the hanging cylinder to the space behind the cutter head, and the soil cut by the cutter head is conveyed into the hanging cylinder.
8. The portable rotary excavating equipment for the construction of foundation pile holes on the mountainous and hilly land tower as claimed in one of claims 1 to 4, wherein the diameter of the conveying screw in the hanging cylinder is slightly smaller than the inner diameter of the hanging cylinder so as to ensure that the entering soil does not automatically fall down in a large amount during the hanging process of the hanging cylinder.
9. The portable rotary excavating apparatus for foundation pile hole construction in mountainous and hilly land as claimed in one of claims 1 to 4, wherein the transmission mechanism for driving the conveying screw is a pulley transmission mechanism, and is composed of a driving pulley (17) fixed on the output shaft of the motor (18), a driven pulley (17) fixed on the shaft of the conveying screw (19) and a transmission belt (21).
10. The portable rotary excavating equipment for foundation pile hole construction in mountainous and hilly land tower as claimed in one of claims 1 to 4, wherein the second motor driving the cutter head to move and the cylindrical external gear installed on the output shaft of the second motor have 3 pairs, and are symmetrically arranged and respectively engaged with the internal gear ring fixed on the cutter head to form 3 gear transmission pairs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010970481.4A CN112177526B (en) | 2020-09-15 | 2020-09-15 | Portable rotary excavating equipment for construction of foundation pile hole of mountain and hilly area tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010970481.4A CN112177526B (en) | 2020-09-15 | 2020-09-15 | Portable rotary excavating equipment for construction of foundation pile hole of mountain and hilly area tower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112177526A true CN112177526A (en) | 2021-01-05 |
| CN112177526B CN112177526B (en) | 2024-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010970481.4A Active CN112177526B (en) | 2020-09-15 | 2020-09-15 | Portable rotary excavating equipment for construction of foundation pile hole of mountain and hilly area tower |
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| Country | Link |
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| CN (1) | CN112177526B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114737878A (en) * | 2022-04-15 | 2022-07-12 | 成蜀电力集团有限公司 | Portable detachable movable rotary digging device |
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| CN108930512A (en) * | 2018-08-27 | 2018-12-04 | 长江岩土工程总公司（武汉） | A kind of sliceable drilling equipment and the drilling method using the equipment |
| CN110173219A (en) * | 2019-05-27 | 2019-08-27 | 四川电力送变电建设有限公司 | Mountainous region rotary drilling device fixed frame |
| CN214532788U (en) * | 2020-09-15 | 2021-10-29 | 成蜀电力集团有限公司 | Portable rotary excavating equipment for construction of tower footing pile hole in mountainous and hilly land |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114737878A (en) * | 2022-04-15 | 2022-07-12 | 成蜀电力集团有限公司 | Portable detachable movable rotary digging device |
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| CN112177526B (en) | 2024-07-23 |
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