CN218030035U

CN218030035U - Power head of bidirectional stirring pile drilling machine

Info

Publication number: CN218030035U
Application number: CN202221935450.6U
Authority: CN
Inventors: 李正西; 郑小明; 潘祥
Original assignee: Fujian Xiaxing Heavy Machinery Co ltd
Current assignee: Fujian Xiaxing Heavy Machinery Co ltd
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2022-12-13
Anticipated expiration: 2032-07-26

Abstract

The utility model discloses a unit head of two-way stirring stake rig belongs to underground construction machinery technical field, including the transmission case, be provided with drive mechanism in the transmission case, drive mechanism is including first gear and second gear, the transmission case is provided with first actuating mechanism and second actuating mechanism, first actuating mechanism and second actuating mechanism drive first gear and second gear rotation respectively, the transmission case is provided with the interior transfer line, the interior transfer line is connected with the second gear, the interior transfer line outside is provided with outer transfer pole, outer transfer pole is connected with first gear, the utility model discloses a first gear and second gear transversely set up in same transmission case and drive respectively by first actuating mechanism and second actuating mechanism, the occupation space of the unit head of effectual reduction, drive outer transfer pole and interior transfer pole by first gear and second gear simultaneously and rotate, make the inside and outside drilling rod that is connected with interior transfer line and outer transfer pole can carry out two-way rotation.

Description

Power head of bidirectional stirring pile drilling machine

Technical Field

The utility model discloses a power head of a bidirectional stirring pile drilling machine, belongs to the technical field of underground construction machinery.

Background

As a main construction method in the technical field of foundation treatment engineering, the technology of a deep mixing pile with unidirectional rotation mixing is applied to the field of engineering and construction in the last 60 th century, and comprises the fields of civil engineering, constructional engineering, railway engineering, highway engineering, hydraulic engineering, municipal engineering, port engineering and the like. The deep mixing pile engineering technology adopts a single-shaft or multi-shaft mixing drilling machine to input cement and other curing agents into the ground, and the curing agents and soft and hard soil bodies are mixed by stirring, so that a series of physical and chemical reactions are generated between the curing agents and the soil bodies, and pile bodies, wall bodies and block bodies with high strength, good water stability and strong seepage-proofing performance are generated. Therefore, the bearing capacity of the composite foundation, the bearing capacity of the mixing pile, the bearing capacity of the stiff-core composite pile, the bearing capacity of the pile in the SMW construction method, the impermeability of the waterproof wall, the actual engineering problems of the partition wall and the partition layer of the landfill site for polluted soil and toxic substances and the like are effectively solved.

The deep mixing pile engineering technology has the advantages of simple drilling machine equipment, high construction efficiency, low cost and the like, and is widely applied to the field of civil construction. However, when the drilling tool and the process for constructing the stirring pile by using the unidirectional rotation stirring are applied, serious engineering quality problems of uneven soil stirring, upward discharge of solidified soil along a gap between the drilling tool and the periphery of the drilling rod, conglomeration and embracing of the drilling tool in the construction of a cohesive soil body, lower integral strength of the solidified soil than a design value and the like are often generated, and a serious engineering safety problem is often caused. When the engineering needs to adopt the stirring stake construction of major diameter, the major depth very much, when adopting single power head, unidirectional rotation stirring drilling tool and technical construction, can make engineering quality and engineering safety risk especially stand out, and the power head of bidirectional rotation stirring drilling machine comprises two transmission cases on the market at present, and this leads to the great inconvenient and complicated maintenance of structure of installation of power part to be unfavorable for maintaining and repairing.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving foretell problem and providing a unit head of two-way stirring stake rig, have and make the drilling tool can carry out two-way rotation and reduce the effect that the unit head took the space simultaneously and make it be convenient for install.

The utility model discloses a following technical scheme realizes above-mentioned purpose, including the transmission case, be provided with drive mechanism in the transmission case, drive mechanism is including the first gear and the second gear of horizontal setting, first gear sets up in second gear downside, the transmission case is provided with first actuating mechanism and second actuating mechanism, first actuating mechanism and second actuating mechanism drive first gear and second gear rotation respectively, the transmission case lower extreme is provided with interior transfer line, interior transfer line runs through first gear and is connected with the second gear, the interior transfer line outside is provided with outer transfer line, outer transfer line is connected with first gear.

Through adopting above-mentioned technical scheme, first gear and second gear transversely set up and are driven respectively by first actuating mechanism and second actuating mechanism in same transmission case, the structure is convenient for overhaul has been simplified simultaneously to the occupation space of effectual reduced unit head, drive outer transfer line and interior transfer line by first gear and second gear simultaneously and rotate, make the inside and outside drilling rod that is connected with interior transfer line and outer transfer line can carry out the bidirectional rotation, and first actuating mechanism and second actuating mechanism can carry out the speed governing respectively, and then make inside and outside drilling rod can reach the rotatory effect of differential speed, the effectual efficiency of construction that improves the rig.

Preferably, the first driving mechanism and the second driving mechanism each include two power sources, each of the two power sources of the first driving mechanism includes a first output shaft, a third gear for meshing with the first gear is arranged on the first output shaft, each of the two power sources of the second driving mechanism includes a second output shaft, and a fourth gear for meshing with the second gear is arranged on the second output shaft.

Through adopting above-mentioned technical scheme, first actuating mechanism drives the third gear rotation and then drives first gear and rotate through the output shaft on two power supplies, and second actuating mechanism drives the fourth gear rotation and then drives the second gear and rotate through the output shaft on two power supplies to reach first actuating mechanism and second actuating mechanism independent drive first gear and second gear and make inside and outside drilling rod can carry out the bidirectional rotation.

Preferably, the transmission case is of a cuboid structure, the two power sources of the first driving mechanism are arranged at one diagonal of the transmission case, and the two power sources of the second driving mechanism are arranged at the other diagonal.

By adopting the technical scheme, the power sources of the first driving mechanism and the second driving mechanism are distributed diagonally, so that the power of the power sources can be uniformly transmitted to the first gear and the second gear, and the stability of power transmission is improved.

Preferably, the inner transmission rod is provided with a slurry channel in a penetrating mode, and the upper end of the inner transmission rod is provided with a grouting hole communicated with the slurry channel.

Through adopting above-mentioned technical scheme, through the setting of thick liquid passageway and injected hole, make the internal transfer line can directly be connected with the thick liquid pipeline through injected hole, and then carry the thick liquid drill bit department through the thick liquid passageway with the thick liquid to make the drill bit directly carry out the slip casting and cool off the drill bit, improved rig efficiency of construction.

Preferably, the transmission case is provided with a connecting frame extending upwards, and the top of the connecting frame is provided with a hinge joint.

Through adopting above-mentioned technical scheme, through the setting of link and articulated joint, the rig accessible is articulated to put up and connect the unit head and then the lift of convenient control unit head.

Preferably, the transmission case is provided with a protective cover, the protective cover is connected with the connecting frame, and the protective cover is provided with a plurality of heat dissipation meshes.

Through adopting above-mentioned technical scheme, can prevent through the setting of protection casing that debris from getting into or destroying first actuating mechanism and second actuating mechanism, and then influence the use of unit head, and the heat dissipation mesh that sets up on the protection casing makes the protection casing provide the radiating effect when protecting first actuating mechanism and second actuating mechanism, prevents that first actuating mechanism and second actuating mechanism from influencing the use because of high temperature.

Preferably, a bearing is arranged between the first gear and the inner transmission rod.

Through adopting above-mentioned technical scheme, through the setting of bearing, reduced the coefficient of friction between internal drive pole and the first gear, improve the transmission efficiency of internal drive pole.

Compared with the prior art, the beneficial effects of the utility model are that:

the first gear and the second gear are arranged in the same transmission box and are driven by a first driving mechanism and a second driving mechanism on the transmission box respectively, so that the occupied space of the power head is effectively reduced, the structure of the power head is optimized to be convenient to overhaul, and the first gear and the second gear drive the outer transmission rod and the inner transmission rod to rotate so as to drive the inner drill rod and the outer drill rod to rotate bidirectionally;

the power sources of the first driving mechanism and the second driving mechanism are distributed diagonally, so that the power of the power sources can be uniformly transmitted to the first gear and the second gear, and the stability of power transmission is improved;

thirdly, the slurry channel and the grouting hole formed in the inner transmission rod can directly convey slurry to the drill bit, so that the drilling machine can directly perform grouting after drilling, and meanwhile, the drill bit can be cooled, and the construction efficiency is effectively improved;

fourthly, the bearing between first gear and the internal transmission pole can prevent that the internal transmission pole from conflicting first gear when rotating, improves the internal transmission pole pivoted stability.

Drawings

FIG. 1 is a schematic structural view of a power head of a bidirectional mixing pile drilling machine;

FIG. 2 is a cross-sectional view of a power head of a bi-directional mixing pile drill;

FIG. 3 is a partial cross-sectional view of a power head of a bi-directional pile mixing drill;

fig. 4 is a partial sectional view of a power head of a bidirectional mixing pile drilling machine.

Reference numerals: 1. a transmission case; 2. a transmission mechanism; 201. a first gear; 202. second one a gear; 3. a first drive mechanism; 4. a second drive mechanism; 5. an inner transmission rod; 6. an outer drive rod; 7. a bearing; 8. grouting holes; 9. a slurry passage; 10. a protective cover; 11. a connecting frame; 12. a hinged joint.

Detailed Description

In the following description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like refer to the orientation or position relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not refer to or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

A power head of a bidirectional mixing pile drilling machine is disclosed, as shown in fig. 1-4, and comprises a transmission case 1, a transmission mechanism 2 is arranged in the transmission case 1, the transmission mechanism 2 comprises a first gear 201 and a second gear 202 which are transversely arranged, the first gear 201 is arranged at the lower side of the second gear 202, the transmission case 1 is provided with a first driving mechanism 3 and a second driving mechanism 4, the first driving mechanism 3 and the second driving mechanism 4 respectively drive the first gear 201 and the second gear 202 to rotate, the first gear 201 and the second gear 202 are arranged in the same transmission case 1, the first driving mechanism 3 and the second driving mechanism 4 respectively drive the first driving mechanism 3 and the second driving mechanism 4, the two power heads are prevented from being separately assembled by using two transmission cases 1, the space occupied by the transmission system is reduced, the structure is optimized, an inner transmission rod 5 is arranged at the lower end of the transmission case 1, the inner transmission rod 5 penetrates through the first gear 201 to be connected with the second gear 202, an outer transmission rod 6 is arranged at the outer side of the inner transmission rod 5, the outer transmission rod 6 is connected with the first gear 201, when the first driving mechanism 3 and the second driving mechanism 4 drive the inner and the outer transmission rod 201 to rotate, and the outer transmission rod 5, and the second gear 202, and the inner and the outer transmission rod 5 are connected with the inner drill rod, and the outer drill rod 5, and the inner drill rod are connected with the outer drill rod, and the outer drill rod 5, and the drill rod are respectively, and the drill rod 5, and the drill rod are connected with the drill rod, and the drill rod 5, and the drill rod are connected with the drill rod, and the drill rod.

The first driving mechanism 3 and the second driving mechanism 4 both comprise two power sources, the two power sources of the first driving mechanism 3 both comprise a first output shaft, a third gear meshed with the first gear 201 is arranged on the first output shaft, the two power sources of the first driving mechanism 3 drive the first gear 201 to rotate through the third gear on the output shaft, the two power sources of the second driving mechanism 4 both comprise a second output shaft, a fourth gear meshed with the second gear 202 is arranged on the second output shaft, the two power sources of the second driving mechanism 4 drive the second gear 202 to rotate through the fourth gear on the output shaft, the transmission case 1 is of a cuboid structure, the two power sources of the first driving mechanism 3 are arranged at one diagonal position of the transmission case 1, and the two power sources of the second driving mechanism 4 are arranged at the other diagonal position, so that power can be uniformly and continuously output to the first gear 201 and the second gear 202, and the stability of power transmission is improved.

The inner transmission rod 5 is provided with a slurry channel 9 in a penetrating manner, the upper end of the inner transmission rod 5 is provided with a grouting hole 8 communicated with the slurry channel 9, the inner transmission rod 5 can be directly connected with a slurry pipeline through the grouting hole 8, and then slurry is transmitted to a drill bit through the slurry channel 9, the cooling effect of the drill bit and the grouting efficiency of a drilling machine are improved, the transmission case 1 is provided with a connecting frame 11 extending upwards, the top of the connecting frame 11 is provided with a hinged joint 12, the drilling machine can be directly connected with a power head through the hinged joint 12, the power head can be more conveniently mounted and dismounted, meanwhile, the drilling machine can better control the lifting of the power head, the transmission case 1 is provided with a protective cover 10, the protective cover 10 is connected with the connecting frame 11, the protective cover 10 is provided with a plurality of heat dissipation meshes, the protective cover 10 can prevent sundries from influencing the operation of the first driving mechanism 3 and the second driving mechanism 4, meanwhile, the heat dissipation meshes on the protective cover 10 can reduce the temperature of the first driving mechanism 3 and the second driving mechanism 4, the use of the power head is prevented from being influenced by overhigh temperature, a bearing 7 is arranged between the first gear 201 and the inner transmission rod 5, and the bearing 7 can reduce the friction coefficient between the first gear 201 and the transmission rod 5, and improve the transmission coefficient of the transmission rod.

When the transmission head of the drilling machine operates, the power sources of the first driving mechanism 3 and the second driving mechanism 4 are started, the first gear 201 and the second gear 202 are driven to rotate by the third gear and the fourth gear on the first output shaft and the second output shaft respectively, and then the outer transmission rod 6 and the inner transmission rod 5 are driven to rotate by the first gear 201 and the second gear 202, so that the inner drill rod and the outer drill rod of the drilling machine rotate in two directions, meanwhile, the rotating speed of the drilling machine can be adjusted by adjusting the output power of the first driving mechanism 3 and the second driving mechanism 4, and the first gear 201 and the second gear 202 are driven by the first driving mechanism 3 and the second driving mechanism 4 respectively, so that the inner drill rod and the outer drill rod can rotate in a differential mode.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a unit head of two-way stirring stake rig, includes transmission case (1), its characterized in that: be provided with drive mechanism (2) in transmission case (1), drive mechanism (2) are including horizontal first gear (201) and the second gear (202) that sets up, first gear (201) set up in second gear (202) downside, transmission case (1) is provided with first actuating mechanism (3) and second actuating mechanism (4), first actuating mechanism (3) and second actuating mechanism (4) drive first gear (201) and second gear (202) rotation respectively, transmission case (1) lower extreme is provided with interior transfer line (5), interior transfer line (5) run through first gear (201) and are connected with second gear (202), the interior transfer line (5) outside is provided with outer transfer line (6), outer transfer line (6) are connected with first gear (201).

2. The power head of a bi-directional mixing pile drill according to claim 1, wherein: the first driving mechanism (3) and the second driving mechanism (4) both comprise two power sources, the two power sources of the first driving mechanism (3) both comprise a first output shaft, a third gear meshed with the first gear (201) is arranged on the first output shaft, the two power sources of the second driving mechanism (4) both comprise a second output shaft, and a fourth gear meshed with the second gear (202) is arranged on the second output shaft.

3. The power head of a bi-directional mixing pile drill according to claim 2, wherein: the transmission case (1) is of a cuboid structure, and two power sources of the first driving mechanism (3) are arranged at one diagonal of the transmission case (1) and two power sources of the second driving mechanism (4) are arranged at the other diagonal.

4. The power head of a bi-directional mixing pile drill according to claim 1, wherein: the inner transmission rod (5) is provided with a slurry channel (9) in a penetrating mode, and the upper end of the inner transmission rod (5) is provided with a grouting hole (8) communicated with the slurry channel (9).

5. The power head of a bi-directional mixing pile drill according to claim 1, wherein: the transmission case (1) is provided with a connecting frame (11) extending upwards, and a hinge joint (12) is arranged at the top of the connecting frame (11).

6. The power head of a bi-directional mixing pile drill according to claim 5, wherein: be provided with protection casing (10) on transmission case (1), protection casing (10) are connected with link (11), a plurality of heat dissipation meshs have been seted up in protection casing (10).

7. The power head of a bidirectional mixing pile drill as recited in claim 1, wherein: a bearing (7) is arranged between the first gear (201) and the inner transmission rod (5).