CN113266274B

CN113266274B - Modularized power head

Info

Publication number: CN113266274B
Application number: CN202110692031.8A
Authority: CN
Inventors: 朱伟; 林宗辉; 邓如冰; 吴晶鑫
Original assignee: Wuxi Anman Construction Machinery Co ltd
Current assignee: Wuxi Anman Construction Machinery Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2024-07-02
Anticipated expiration: 2041-06-22
Also published as: CN113266274A

Abstract

The invention discloses a modularized power head, which comprises an impact drilling assembly, a spiral drilling assembly, a soil treatment assembly and a power output assembly, wherein one of the impact drilling assembly, the spiral drilling assembly and the soil treatment assembly is combined with the power output assembly; the impact drilling assembly and the power output assembly are combined into an impact drilling module; the spiral drilling assembly and the power output assembly are combined into a spiral drilling module; the soil treatment assembly and the power output assembly are combined into a soil treatment module. According to the invention, through the modularized design, the functions of the multipurpose drilling machine can be realized through the same drilling machine, namely, the power device of the multipurpose drilling machine does not need to be changed on the same drilling machine, and corresponding construction can be realized by loading and unloading corresponding components according to the actual construction process requirements, so that the equipment cost and the part cost are greatly reduced.

Description

Modularized power head

Technical Field

The invention relates to the technical field of drilling equipment, in particular to a modularized power head.

Background

The drilling machine is widely applied to the fields of exploration or mineral resource development, geotechnical engineering construction, geotechnical foundation construction and the like, in the drilling machine construction process, different construction processes are adopted according to different stratum conditions, the different construction processes are realized by different types of drilling machines or by replacing different types of power heads by the same drilling machine, and the replacement of the power heads is usually realized by replacing the whole set of power transmission device and drilling tool drill rod components; in addition, the whole set of power heads of different types or different types are required to be purchased or prepared for each type of drilling machine or power head suite respectively, and the power heads are produced independently, so that larger inventory space and production resources are occupied, the equipment cost, the part cost and the production cost are higher, and the maintenance difficulty and the maintenance cost of each drilling machine or power head suite are also higher.

The existing soil treatment mechanism generally needs to additionally install a set of power head on the host machine to realize the function of treating soil, and the installation process needs to use a lifting device, so that time and labor are wasted, and the construction cost is increased.

Disclosure of Invention

The inventor provides a modularized power head with reasonable structure aiming at the defects that different drilling machines or a whole set of power heads are needed to be adopted in different construction processes of the existing drilling machine, equipment cost, part cost, production cost, maintenance cost and the like are high, corresponding basic modules are replaced according to different construction processes, and the equipment cost, the part cost, the production cost and the maintenance cost are low.

The technical scheme adopted by the invention is as follows:

A modularized power head comprises an impact drilling assembly, a spiral drilling assembly, a soil treatment assembly and a power output assembly, wherein one of the impact drilling assembly, the spiral drilling assembly and the soil treatment assembly is combined with the power output assembly; the impact drilling assembly and the power output assembly are combined into an impact drilling module; the spiral drilling assembly and the power output assembly are combined into a spiral drilling module; the soil treatment assembly and the power output assembly are combined into a soil treatment module;

A hexagonal hole is formed in the main shaft of the power output assembly;

The impact drilling assembly comprises a guide sleeve, the guide sleeve is sleeved on the main shaft when combined with the power output assembly, and the guide sleeve is fixed with the main shaft through a first pin shaft;

the spiral drilling assembly comprises a connecting cylinder, a universal shaft and an inserting piece which are sequentially connected, and when the spiral drilling assembly is combined with the power output assembly, the inserting piece is inserted into a hexagonal hole of the main shaft, and the inserting piece is fixed with the main shaft through a second pin shaft;

the soil treatment assembly comprises a mandrel and an outer sleeve, wherein the outer sleeve is sleeved on the periphery of the mandrel, and when the soil treatment assembly is combined with the power output assembly, the mandrel is inserted into a hexagonal hole of a main shaft of the power output assembly, and the mandrel and the main shaft are fixed through a third pin shaft.

As a further improvement of the above technical scheme:

A central channel is formed in the mandrel of the soil treatment assembly, a plurality of first input channels and a plurality of second input channels are formed in the circumferential wall surface of the mandrel, and the first input channels and the second input channels are respectively communicated with the central channel; a first injection hole and a second injection hole are formed in the circumferential wall surface of the outer sleeve, the first injection hole is communicated with the first input channel, and the second injection hole is communicated with the second input channel.

A circle of annular first diversion trenches are formed in the inner side of the first injection hole, and the width of each first diversion trench is larger than the aperture of the first injection hole; a circle of annular second diversion trenches are formed in the inner side of the second injection hole, and the width of each second diversion trench is larger than the aperture of the second injection hole.

A lubricating oil channel is arranged on the circumferential wall surface of the outer sleeve of the soil treatment assembly, and a nipple is inserted in the lubricating oil channel.

A plurality of sealing pieces are arranged between the inner peripheral surface of the outer sleeve and the outer peripheral surface of the mandrel, and the first injection hole, the lubricating oil channel and the second injection hole are respectively provided with the sealing pieces.

The periphery of the guide sleeve is correspondingly positioned at the outer side part of the first pin shaft and sleeved with a first limiting part; the periphery of the main shaft is correspondingly positioned at the outer side part of the second pin shaft and sleeved with a second limiting part; the periphery of the main shaft is correspondingly positioned at the outer side part of the third pin shaft and sleeved with a fifth limiting part.

The plug-in components of spiral drilling assembly are hexagonal; the connecting part of the mandrel of the soil treatment assembly is hexagonal.

The main shaft of the power output assembly is provided with a second pin shaft hole and a third pin shaft hole; when the pin shaft is connected with the guide sleeve of the impact drilling assembly, the pin shaft is inserted into the second pin shaft hole; and when the pin shaft is connected with the plug-in component of the spiral drilling component or the core shaft of the soil treatment component, the pin shaft is plugged in the third pin shaft hole.

The guide sleeve of the impact drilling assembly sequentially comprises a first straight cylinder part, a conical cylinder part and a second straight cylinder part from front to back, wherein the outer diameter of the first straight cylinder part is smaller than that of the second straight cylinder part, and the first straight cylinder part, the conical cylinder part and the second straight cylinder part are connected through the conical cylinder part with the small front and the big rear; the inner peripheral surface of the second straight cylinder part is inwards protruded with a circle of convex rings; a circle of annular grooves are formed in the outer peripheral surface of the main shaft, and when the main shaft is in a power output assembly, the convex rings of the guide sleeve are clamped into the grooves of the main shaft.

The two opposite sides of the connecting cylinder of the spiral drilling component are respectively inserted with keys.

The beneficial effects of the invention are as follows:

According to the invention, through the modularized design, the functions of the multipurpose drilling machine can be realized through the same drilling machine, namely, the power device of the multipurpose drilling machine does not need to be changed on the same drilling machine, and corresponding construction can be realized by loading and unloading corresponding components according to the actual construction process requirements, so that the equipment cost and the part cost are greatly reduced; in addition, each component is connected with the main shaft of the power output component through a pin shaft, when each component is dismounted, the other component can be conveniently and rapidly dismounted and replaced only by dismounting the pin shaft, the dismounting process is simple, the replacement is convenient, the components can be conveniently and rapidly replaced on a working site, the dismounting time can be saved, the construction period is shortened, the labor cost is saved, and the construction cost is reduced. The impact drilling module, the spiral drilling module and the soil treatment module are all of standardized design, and only each module needs to be reasonably produced and prepared, so that the inventory space and production resources are greatly saved, and the production cost is reduced; and each module has a simple structure, low maintenance difficulty and low maintenance cost.

The soil treatment assembly is connected with the power output assembly through the mandrel, the lifting device is not needed in the installation process, the installation is simple, the structure is compact, the soil treatment function is realized, the loss of manpower and construction time is reduced, the labor cost is reduced, and the construction time is shortened.

Drawings

Fig. 1 is a cross-sectional view of an impact drilling module of the present invention.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a cross-sectional view of a helical drilling module of the present invention.

Fig. 4 is an enlarged view of a portion B in fig. 3.

Fig. 5 is a cross-sectional view of a soil remediation module of the present invention.

Fig. 6 is an enlarged view of a portion C in fig. 5.

FIG. 7 is a front view of a soil remediation assembly.

Fig. 8 is a sectional view of section D-D of fig. 7.

In the figure: 100. a percussive drilling module; 200. a spiral drilling module; 300. a soil treatment module;

1. An impact drilling assembly; 11. a guide sleeve; 12. a first pin; 13. a first limiting member; 14. a first straight tube portion; 15. a cone section; 16. a second straight tube portion; 17. a convex ring;

2. A helical drilling assembly; 21. a connecting cylinder; 22. a universal shaft; 23. a key; 24. a cartridge; 25. a second pin; 26. a second limiting piece;

3. A soil remediation assembly; 31. a mandrel; 311. a central passage; 312. a first input channel; 313. a second input channel; 314. a connection part; 315. a shaft shoulder; 316. a first pin hole; 32. a jacket; 321. a first injection hole; 322. a second injection hole; 323. a first diversion trench; 324. a second diversion trench; 325. a lubrication oil passage; 33. a seal; 34. a third limiting member; 341. a limiting hole; 35. a third pin; 36. a fifth limiting member; 37. a nipple;

4. a power take-off assembly; 41. a main shaft; 42. a hexagonal hole; 43. a second pin hole; 44. a third pin shaft hole; 45. a groove.

Detailed Description

The following describes specific embodiments of the present invention with reference to the drawings.

As shown in fig. 1,3 and 5, the modularized power head of the invention comprises a percussion drilling module 100, a spiral drilling module 200 and a soil treatment module 300 which are in modularized design, and the percussion drilling assembly 1, the spiral drilling assembly 2, the soil treatment assembly 3 and the power output assembly 4 are respectively combined to realize a plurality of different construction processes. The main shaft 41 of the power output assembly 4 is provided with an axial hexagonal hole 42, a second pin shaft hole 43 and a third pin shaft hole 44, and the outer peripheral surface of the front end part of the main shaft 41 is also provided with a ring-shaped groove 45.

As shown in fig. 1 and 2, the impact drilling module 100 is combined with the power take-off assembly 4 by the impact drilling assembly 1. The impact drilling assembly 1 comprises a guide sleeve 11, wherein the guide sleeve 11 sequentially comprises a first straight cylinder part 14, a conical cylinder part 15 and a second straight cylinder part 16 from front to back, the outer diameter of the first straight cylinder part 14 is smaller than that of the second straight cylinder part 16, and the first straight cylinder part 14 and the second straight cylinder part are connected through the conical cylinder part 15 with the front part being small and the rear part being big; the second straight barrel portion 16 has a ring of convex rings 17 protruding inward on the inner peripheral surface. The second straight barrel portion 16 of the guide sleeve 11 is sleeved on the front end portion of the main shaft 41 of the power output assembly 4, and the convex ring 17 is clamped into the groove 45 of the main shaft 41 for positioning. The guide sleeve 11 is fixed with the main shaft 41 through the first pin shaft 12, the first pin shaft 12 penetrates through the second straight cylinder part 16 of the guide sleeve 11 in the radial direction and penetrates into the second pin shaft hole 43 of the main shaft 41, the first limiting piece 13 is sleeved on the outer periphery of the second straight cylinder part 16 and is correspondingly positioned on the outer side part of the first pin shaft 12, the first pin shaft 12 is limited, and the first pin shaft 12 is prevented from falling out; the power output assembly 4 drives the guide sleeve 11 to move through the main shaft 41 to realize the percussion drilling function.

As shown in fig. 3 and 4, the screw drilling module 200 is combined with the power take-off assembly 4 by the screw drilling assembly 2. The spiral drilling assembly 2 comprises a connecting cylinder 21, a universal shaft 22 and an inserting piece 24 which are sequentially connected from front to back, wherein the connecting cylinder 21 is fixedly connected with one end of the universal shaft 22 through a fastener, and the other end of the universal shaft 22 is fixedly connected with the inserting piece 24 through a fastener. The front, opposite sides of the connection cylinder 21 are respectively inserted with keys 23 for connection with corresponding elements through the keys 23. The inserting shaft part of the inserting piece 24 is hexagonal, the inserting piece 24 is inserted into a hexagonal hole 42 of a main shaft 41 of the power output assembly 4, the inserting piece 24 and the main shaft 41 are fixed through a second pin shaft 25, the second pin shaft 25 penetrates through the inserting piece 24 from one side of a third pin shaft hole 44 of the main shaft 41 and penetrates out from the other side of the third pin shaft hole 44, a second limiting piece 26 is sleeved on the periphery of the main shaft 41 and is correspondingly positioned on the outer side part of the second pin shaft 25, and the second pin shaft 25 is limited to prevent the second pin shaft 25 from falling out; the power output assembly 4 drives the plug-in assembly 24 through the main shaft 41, and further drives the whole spiral drilling assembly 2 to move so as to realize the spiral drilling function.

As shown in fig. 5-8, soil remediation module 300 is combined by soil remediation assembly 3 with power take-off assembly 4. Soil remediation assembly 3 includes a mandrel 31, a jacket 32. The center of the front part of the mandrel 31 is provided with a central channel 311, and the central channel 311 is a blind hole with an open front end and a closed rear end; a plurality of first input channels 312 and second input channels 313 are formed in the circumferential wall surface of the mandrel 31 along the radial direction, and the first input channels 312 and the second input channels 313 are respectively communicated with the central channel 311; the first input channels 312 are distributed along the same circumference, the second input channels 313 are located behind the first input channels 312 and distributed along the same circumference, and the second input channels 313 are communicated with the bottom of the central channel 311. The rear part of the mandrel 31 is a hexagonal connecting part 314, the front side of the connecting part 314 is provided with a shaft shoulder 315, and the rear end part of the connecting part 314 is provided with a first pin shaft hole 316 along the radial direction. The outer sleeve 32 is sleeved on the outer periphery of the front part of the mandrel 31, and a plurality of sealing elements 33 are arranged between the inner periphery of the outer sleeve 32 and the outer periphery of the mandrel 31 for sealing. A first injection hole 321 and a second injection hole 322 are formed in the circumferential wall surface of the jacket 32 in the radial direction; a circle of annular first diversion trenches 323 are formed in the inner side of the first injection hole 321, and the width of each first diversion trench 323 is larger than the aperture of the first injection hole 321; a circle of annular second diversion trenches 324 are formed in the inner side of the second injection hole 322, and the width of the second diversion trenches 324 is larger than the aperture of the second injection hole 322; The first injection hole 321 and the second injection hole 322 are respectively communicated with the first input channel 312 and the second input channel 313 of the mandrel 31 through the first diversion trench 323 and the second diversion trench 324; the first injection hole 321 and the second injection hole 322 are used for inserting an input connector (not shown in the figure), the input connector injects soil treatment liquid into the mandrel 31 through the first injection hole 321 and the second injection hole 322, and the mandrel 31 injects the soil treatment liquid into the soil through the central channel 311. The outer sleeve 32 is provided with a lubricating oil channel 325 along the radial direction on the circumferential wall surface between the first injection hole 321 and the second injection hole 322, a lubricating nipple 37 is inserted into the lubricating oil channel 325, the lubricating oil is injected into the lubricating nipple 37 through the lubricating oil channel 325, and the lubricating oil is injected into the mandrel 31; The first injection hole 321, the lubricating oil passageway 325, and the second injection hole 322 are each provided with a sealing member 33 therebetween, respectively, to prevent the liquid between the respective channels from leaking each other. The rear end part of the outer sleeve 32 and the opposite two sides are symmetrically and fixedly provided with the third limiting piece 34, the third limiting piece 34 is provided with the limiting hole 341, and the limiting hole 341 and the corresponding part are matched to limit the outer sleeve 32, so that the outer sleeve 32 is prevented from being displaced. The connecting part 314 of the mandrel 31 is inserted into the hexagonal hole 42 of the main shaft 41 of the power output assembly 4, the shaft shoulder 315 abuts against the front end surface of the main shaft 41 to limit, the connecting part 314 and the main shaft 41 are fixed through the third pin shaft 35, the third pin shaft 35 penetrates from one side of the third pin shaft hole 44 of the main shaft 41, passes through the connecting part 314 and penetrates out from the other side of the third pin shaft hole 44, a fifth limiting piece 36 is sleeved on the periphery of the main shaft 41 and corresponds to the outer side part of the third pin shaft 35, and the third pin shaft 35 is limited to prevent the third pin shaft 35 from falling out; The power output assembly 4 drives the mandrel 31 through the main shaft 41 to realize the soil treatment function. The soil treatment assembly 3 is connected with the power output assembly 4 through the mandrel 31, the installation process is simple without using a lifting device, the structure is compact, the loss of manpower and construction time is reduced, the labor cost is reduced, and the construction time is shortened while the soil treatment function is realized.

During actual operation, according to actual construction process requirements, the components of the required types are assembled on the power output component 4, and corresponding construction can be implemented, for example, the impact drilling component 1 and the power output component 4 can be assembled, impact drilling construction can be implemented, the spiral drilling component 2 and the power output component 4 can be assembled, spiral drilling construction can be implemented, the soil treatment component 3 and the power output component 4 can be assembled, and soil treatment construction can be implemented. According to the invention, through the modularized design, the functions of the multipurpose drilling machine can be realized through the same drilling machine, namely, the power device of the multipurpose drilling machine does not need to be changed on the same drilling machine, and corresponding construction can be realized by loading and unloading corresponding components according to the actual construction process requirements, so that the equipment cost and the part cost are greatly reduced; in addition, each component is connected with the main shaft 41 of the power output component 4 through a pin shaft, when each component is disassembled and assembled, each component can be conveniently and rapidly taken down and replaced by the other component only by disassembling and assembling the pin shaft, the disassembly and assembly process is simple, the replacement is convenient, the components can be conveniently and rapidly replaced on the working site, the disassembly and assembly time can be saved, the construction period is shortened, the labor cost is saved, and the construction cost is reduced. The impact drilling module 100, the spiral drilling module 200 and the soil treatment module 300 are all of standardized design, and only reasonable production and material preparation are needed for each module, so that the inventory space and production resources are greatly saved, and the production cost is reduced; and each module has a simple structure, low maintenance difficulty and low maintenance cost.

The above description is illustrative of the invention and is not intended to be limiting, and the invention may be modified in any form without departing from the spirit of the invention.

Claims

1. A modular powerhead, characterized by: the device comprises an impact drilling assembly (1), a spiral drilling assembly (2), a soil treatment assembly (3) and a power output assembly (4), wherein one of the impact drilling assembly (1), the spiral drilling assembly (2) and the soil treatment assembly (3) is combined with the power output assembly (4); the impact drilling assembly (1) and the power output assembly (4) are combined into an impact drilling module (100); the spiral drilling component (2) and the power output component (4) are combined into a spiral drilling module (200); the soil treatment assembly (3) and the power output assembly (4) are combined into a soil treatment module (300);

a hexagonal hole (42) is formed in a main shaft (41) of the power output assembly (4);

The impact drilling assembly (1) comprises a guide sleeve (11), when the impact drilling assembly is combined with the power output assembly (4), the guide sleeve (11) is sleeved on the main shaft (41), and the guide sleeve (11) and the main shaft (41) are fixed through a first pin shaft (12);

the spiral drilling assembly (2) comprises a connecting cylinder (21), a universal shaft (22) and an inserting piece (24) which are sequentially connected, when the spiral drilling assembly is combined with the power output assembly (4), the inserting piece (24) is inserted into a hexagonal hole (42) of the main shaft (41), and the inserting piece (24) and the main shaft (41) are fixed through a second pin shaft (25);

The soil treatment assembly (3) comprises a mandrel (31) and an outer sleeve (32), wherein the outer sleeve (32) is sleeved on the periphery of the mandrel (31), when the soil treatment assembly is combined with the power output assembly (4), the mandrel (31) is inserted into a hexagonal hole (42) of a main shaft (41) of the power output assembly (4), and the mandrel (31) and the main shaft (41) are fixed through a third pin shaft (35);

A central channel (311) is formed in a mandrel (31) of the soil treatment assembly (3), a plurality of first input channels (312) and second input channels (313) are formed in the circumferential wall surface of the mandrel (31), and the first input channels (312) and the second input channels (313) are respectively communicated with the central channel (311); a first injection hole (321) and a second injection hole (322) are formed in the circumferential wall surface of the outer sleeve (32), the first injection hole (321) is communicated with the first input channel (312), and the second injection hole (322) is communicated with the second input channel (313);

A circle of annular first diversion trenches (323) are formed in the inner side of the first injection hole (321), and the width of each first diversion trench (323) is larger than the aperture of the first injection hole (321); a circle of annular second diversion trenches (324) are formed in the inner side of the second injection hole (322), and the width of each second diversion trench (324) is larger than the aperture of the second injection hole (322);

A lubricating oil channel (325) is arranged on the circumferential wall surface of the outer sleeve (32) of the soil treatment assembly (3), and a nozzle (37) is inserted on the lubricating oil channel (325);

a plurality of sealing pieces (33) are arranged between the inner peripheral surface of the outer sleeve (32) and the outer peripheral surface of the mandrel (31), and the sealing pieces (33) are respectively arranged between the first injection hole (321), the lubricating oil channel (325) and the second injection hole (322);

The guide sleeve (11) of the impact drilling assembly (1) sequentially comprises a first straight cylinder part (14), a conical cylinder part (15) and a second straight cylinder part (16) from front to back, wherein the outer diameter of the first straight cylinder part (14) is smaller than that of the second straight cylinder part (16), and the first straight cylinder part and the second straight cylinder part are connected through the conical cylinder part (15) with the small front and the large back; a circle of convex rings (17) are inwards protruded on the inner peripheral surface of the second straight cylinder part (16); a circle of annular grooves (45) are formed in the outer peripheral surface of the main shaft (41), and when the main shaft is connected with the power output assembly (4), the convex rings (17) of the guide sleeve (11) are clamped into the grooves (45) of the main shaft (41).

2. A modular powerhead as recited in claim 1, wherein: the periphery of the guide sleeve (11) is correspondingly positioned at the outer side part of the first pin shaft (12) and sleeved with a first limiting part (13); the periphery of the main shaft (41) is correspondingly positioned at the outer side part of the second pin shaft (25) and sleeved with a second limiting part (26); the periphery of the main shaft (41) is correspondingly positioned at the outer side part of the third pin shaft (35) and sleeved with a fifth limiting part (36).

3. A modular powerhead as recited in claim 1, wherein: the plug-in component (24) of the spiral drilling component (2) is hexagonal; the connecting part (314) of the mandrel (31) of the soil treatment assembly (3) is hexagonal.

4. A modular powerhead as recited in claim 1, wherein: a second pin shaft hole (43) and a third pin shaft hole (44) are formed in a main shaft (41) of the power output assembly (4); when the pin shaft is connected with the guide sleeve (11) of the impact drilling assembly (1), the pin shaft is inserted into the second pin shaft hole (43); when being connected with the plug-in unit (24) of the spiral drilling component (2) or the mandrel (31) of the soil treatment component (3), the pin shaft is plugged on the third pin shaft hole (44).

5. A modular powerhead as recited in claim 1, wherein: the two opposite sides of the connecting cylinder (21) of the spiral drilling component (2) are respectively inserted with a key (23).