CN216517776U

CN216517776U - Power head assembly and rotary drilling rig with same

Info

Publication number: CN216517776U
Application number: CN202123172295.5U
Authority: CN
Inventors: 姚飞; 黎毅力
Original assignee: Beijing Sany Intelligent Technology Co Ltd
Current assignee: Beijing Sany Intelligent Technology Co Ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-05-13
Anticipated expiration: 2031-12-16

Abstract

The utility model provides a power head assembly and a rotary drilling rig with the same, wherein the power head assembly comprises a power box assembly, a connecting shaft, a distance adjusting structure, a sliding frame assembly and a first fastener, wherein a first end of the connecting shaft is connected to the power box assembly; the distance adjusting structure is provided with a first mounting hole, and the connecting shaft penetrates through the first mounting hole; the sliding frame assembly is arranged on one side of the distance adjusting structure, which is far away from the power box assembly; the first fastener is adapted to connect the carriage assembly to the second end of the connecting shaft. In the structure, the connecting shaft and the distance adjusting structure are convenient to install and detach, and the power head assembly has a distance changing function, so that the power head assembly can adapt to more working conditions. The technical scheme of the utility model overcomes the defect that the power head of the rotary drilling rig in the prior art is in a fixed center distance, so that the adaptability of the rotary drilling rig is poor.

Description

Power head assembly and rotary drilling rig with same

Technical Field

The utility model relates to the technical field of operating machinery, in particular to a power head assembly and a rotary drilling rig with the same.

Background

The rotary drilling rig is a construction machine suitable for construction foundation engineering to form mesopore operation, and is mainly used for construction of soil layers such as sandy soil, cohesive soil, silty soil and the like. In the rotary drilling rig in the prior art, a sliding frame of a power head is fixedly connected to a power box through a positioning pin and a screw, namely the power head is of a structure with a fixed center distance, the center distance cannot be changed according to working requirements, and the rotary drilling rig is poor in adaptability.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem to be solved by the utility model is to overcome the defect that the power head of the rotary drilling rig in the prior art is in a fixed center distance, so that the adaptability of the rotary drilling rig is poor, and the power head assembly and the rotary drilling rig with the power head assembly are provided.

In order to solve the above problems, the present invention provides a power head assembly, which includes a power box assembly, a connecting shaft, a distance adjusting structure, a carriage assembly and a first fastener, wherein a first end of the connecting shaft is connected to the power box assembly; the distance adjusting structure is provided with a first mounting hole, and the connecting shaft penetrates through the first mounting hole; the sliding frame assembly is arranged on one side of the distance adjusting structure, which is far away from the power box assembly; the first fastener is adapted to connect the carriage assembly to the second end of the connecting shaft.

Optionally, a second end of the connecting shaft is provided with a first threaded hole, a second mounting hole is formed in the carriage assembly, the first fastener comprises a first connecting bolt and a pressing plate, an avoiding hole is formed in the pressing plate, the pressing plate is abutted to the end face of the second mounting hole, and the first connecting bolt penetrates through the avoiding hole, the second mounting hole and the first threaded hole.

Optionally, the connecting shaft extends in a horizontal direction.

Optionally, the pitch structure is a frame structure, the power box assembly and the pitch structure are connected by a second fastener, and/or the carriage assembly and the pitch structure are connected by a third fastener.

Optionally, a third mounting hole is formed in the power box assembly, a fourth mounting hole is formed in the surface, facing the power box assembly, of the distance adjusting structure, and the second fastener comprises a second connecting bolt arranged in the third mounting hole and the fourth mounting hole in a penetrating mode.

Optionally, a fifth mounting hole is formed in the carriage assembly, a sixth mounting hole is formed in a surface of the distance adjusting structure facing the carriage assembly, and the third fastener includes a third connecting bolt penetrating through the fifth mounting hole and the sixth mounting hole.

Optionally, the power box assembly includes two oppositely disposed upright connecting plates, and the first end of the connecting shaft is connected to a surface of the upright connecting plate facing the carriage assembly.

Optionally, a seventh mounting hole is formed in the connecting vertical plate, and the first end of the connecting shaft is connected in the seventh mounting hole through a threaded structure.

Optionally, the number of the connecting shafts is at least two, the number of the first mounting holes is at least two, and the at least two connecting shafts and the at least two first mounting holes are arranged in a one-to-one correspondence manner.

The utility model also provides a rotary drilling rig which comprises the power head assembly.

The utility model has the following advantages:

1. by utilizing the technical scheme of the utility model, when the power head assembly needs to be subjected to distance changing, the first end of the connecting shaft is connected to the power box assembly, then the distance adjusting structure is installed on the connecting shaft through the first installation hole, and finally the sliding frame assembly is connected to the second end of the connecting shaft through the first fastener, so that the distance changing operation is completed. When the power head assembly does not need to be subjected to pitch changing, the connecting shaft and the pitch adjusting structure are detached, and the power box assembly and the sliding frame assembly are connected. In the structure, the connecting shaft and the distance adjusting structure are convenient to mount and dismount, and the power head assembly has a distance changing function, so that the power head assembly can adapt to more working conditions. Therefore, the technical scheme of the utility model overcomes the defect that the power head of the rotary drilling rig in the prior art is in a fixed center distance, so that the adaptability of the rotary drilling rig is poor.

2. The first connecting bolt and the pressure plate can tightly assemble the sliding frame component on the connecting shaft.

3. The connecting shaft extends towards the horizontal direction, so that the distance adjusting structure and the sliding frame assembly are easy and convenient to assemble.

4. The second and third fasteners are capable of tightly coupling the power box assembly, the pitch structure, and the carriage assembly.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 shows a schematic structural view of a power head assembly of the present invention;

FIG. 2 shows a cross-sectional schematic view at the connecting shaft of the power head assembly of FIG. 1;

FIG. 3 illustrates a cross-sectional schematic view of the connection of the power case assembly, the pitch structure and the carriage assembly of the power head assembly of FIG. 1; and

fig. 4 shows a schematic assembly of the power head assembly of fig. 1.

Description of reference numerals:

10. a power box assembly; 11. connecting a vertical plate; 111. a seventh mounting hole; 20. a connecting shaft; 21. a first threaded hole; 30. a distance adjusting structure; 31. a first mounting hole; 40. a carriage assembly; 41. a second mounting hole; 50. a first fastener; 51. a first connecting bolt; 52. pressing a plate; 60. a second fastener; 70. and a third fastener.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 and 2, a powerhead assembly of the present embodiment includes a power cartridge assembly 10, a coupling shaft 20, an adjustment structure 30, a carriage assembly 40, and a first fastener 50. Wherein a first end of the connecting shaft 20 is connected to the power box assembly 10. The distance adjusting structure 30 is provided with a first mounting hole 31, and the connecting shaft 20 passes through the first mounting hole 31. The carriage assembly 40 is disposed on a side of the pitch structure 30 facing away from the power case assembly 10. The first fastener 50 is adapted to attach the carriage assembly 40 to the second end of the connecting shaft 20.

With the technical solution of the present embodiment, when the power head assembly needs to be subjected to pitch changing, the first end of the connecting shaft 20 is connected to the power box assembly 10, then the pitch adjusting structure 30 is mounted on the connecting shaft 20 through the first mounting hole 31, and finally the carriage assembly 40 is connected to the second end of the connecting shaft 20 through the first fastener 50, thereby completing the pitch changing operation. When the powerhead assembly does not require pitch shifting, the coupling shaft 20 and the pitch adjustment structure 30 are removed and the powerhead assembly 10 and the carriage assembly 40 are coupled. In the structure, the connecting shaft 20 and the distance adjusting structure 30 are convenient to mount and dismount, and the power head assembly has a distance changing function, so that the power head assembly can adapt to more working conditions. Therefore, the technical scheme of the embodiment overcomes the defect that the power head of the rotary drilling rig in the prior art is in a fixed center distance, so that the adaptability of the rotary drilling rig is poor.

It should be noted that the power box assembly 10 mainly includes a reduction box assembly and a buffering key sleeve body, the reduction box assembly is provided with an installation frame, and a first end of the connection shaft 20 is detachably connected to the installation frame.

It should be noted that the carriage assembly 40 mainly includes a mounting frame and a pulley, and the mounting frame of the carriage assembly 40 is connected to the second end of the connecting shaft 20 through a first fastener 50.

Preferably, the first end of the connecting shaft 20 in this embodiment is detachably connected to the power box assembly 10. Of course, in some embodiments, not shown, the first end of the connecting shaft 20 may also be fixedly connected to the power box assembly 10.

As shown in fig. 2, in the solution of the present embodiment, a second end of the connecting shaft 20 is provided with a first threaded hole 21, and the carriage assembly 40 is provided with a second mounting hole 41. The first fastener 50 comprises a first connecting bolt 51 and a pressing plate 52, an avoiding hole is formed in the pressing plate 52, the pressing plate 52 is abutted to the end face of the second mounting hole 41, and the first connecting bolt 51 penetrates through the avoiding hole, the second mounting hole 41 and the first threaded hole 21.

Specifically, the length of the connecting shaft 20 is greater than the width of the distance adjusting structure 30. The size of the pressing plate 52 is larger than the hole diameter of the second mounting hole 41. During assembly, the first end of the connecting shaft 20 is connected to the power box assembly 10, the first mounting hole 31 of the distance adjusting structure 30 is sleeved outside the connecting shaft 20, the carriage assembly 40 is mounted, and the second mounting hole 41 is sleeved on the second end of the connecting shaft 20. After the carriage assembly 40 is in place, the pressure plate 52 is pressed against the surface of the carriage assembly 40 facing away from the spacer structure 30 and the relief hole is aligned with the first threaded hole 21. The first connecting bolt 51 penetrates through the avoidance hole and then is screwed into the first threaded hole 21, the bolt head of the first connecting bolt 51 extrudes the pressing plate, and then the sliding frame assembly 40 is tightly attached to the distance adjusting structure 30, so that the power box assembly 10, the distance adjusting structure 30 and the sliding frame assembly 40 are assembled.

In the present embodiment, since the end surface of the second end of the connecting shaft 20 is flush with the end surface of the second mounting hole 41, after the pressing plate 52 is mounted, the pressing plate 52 abuts against both the end surface of the second end of the connecting shaft 20 and the end surface of the second mounting hole 41. In some embodiments, not shown, if the length of the connecting shaft 20 is short, the pressing plate 52 may be only abutted against the end surface of the second mounting hole 41 after being mounted.

When the powerhead assembly does not require pitch adjustment, the assembly steps described above are reversed to remove the connecting shaft 20 and the pitch structure 30, and then the power case assembly 10 and the carriage assembly 40 are installed.

As shown in fig. 2, in the solution of the present embodiment, the connecting shaft 20 extends in the horizontal direction. Specifically, since the power case assembly 10, the distance adjustment structure 30 and the carriage assembly 40 are adjacently disposed in the horizontal direction, the connecting shaft 20 is disposed to extend horizontally, thereby facilitating assembly therebetween.

Accordingly, the central axes of the first and second mounting holes 31 and 41 extend in the horizontal direction.

As shown in fig. 3 and 4, in the solution of the present embodiment, the distance adjustment structure 30 is a frame structure, the power box assembly 10 and the distance adjustment structure 30 are connected by a second fastener 60, and the carriage assembly 40 and the distance adjustment structure 30 are connected by a third fastener 70. Specifically, the distance adjusting structure 30 is a double-layer plate structure, and the double-layer plate is connected through a plurality of ribs. The pitch adjusting structure 30 is substantially square, and the middle part of the pitch adjusting structure 30 is hollowed out to form a square notch.

After the connection among the power box assembly 10, the distance adjusting structure 30 and the carriage assembly 40 is completed through the above assembling steps, in order to strengthen the overall structural strength, the power box assembly 10 and the distance adjusting structure 30 are connected through the second fastening member 60, and the carriage assembly 40 and the distance adjusting structure 30 are connected through the third fastening member 70, so that the connection among the power box assembly 10, the distance adjusting structure 30 and the carriage assembly 40 is tight.

As shown in fig. 3, in the solution of the present embodiment, a third mounting hole is provided on the power box assembly 10, a fourth mounting hole is provided on a surface of the distance adjusting structure 30 facing the power box assembly 10, and the second fastening member 60 includes a second connecting bolt inserted into the third mounting hole and the fourth mounting hole. The second attachment bolt is capable of tightly coupling the power box assembly 10 and the pitch structure 30 together.

As shown in fig. 3, in the solution of the present embodiment, a fifth mounting hole is provided on the carriage assembly 40, a sixth mounting hole is provided on a surface of the distance adjusting structure 30 facing the carriage assembly 40, and the third fastening member 70 includes a third connecting bolt inserted into the fifth mounting hole and the sixth mounting hole. The third connecting bolt can tightly connect the carriage assembly 40 and the pitch structure 30 together.

Of course, in some embodiments not shown, the second and

third fasteners

60, 70 may also be other structures, such as snaps, clips, and the like.

As shown in fig. 1 and 4, in the solution of the present embodiment, the power box assembly 10 includes two opposite connecting vertical plates 11, and a first end of the connecting shaft 20 is connected to a surface of the connecting vertical plate 11 facing the carriage assembly 40. Specifically, two connecting vertical plates 11 are arranged oppositely, and the connecting vertical plates 11 are installed on the reduction gearbox assembly. After the assembly is completed, the distance adjusting structure 30 abuts against the vertical connecting plate 11.

In this embodiment, the first end of the connecting shaft 20 is detachably connected to the connecting vertical plate 11, so that the connecting shaft 20 is conveniently detached. Of course, in some embodiments, which are not shown, the first end of the connecting shaft 20 may also be fixedly connected to the connecting upright plate 11.

As shown in fig. 2, in the solution of the present embodiment, a seventh mounting hole 111 is provided on the upright connecting plate 11, and a first end of the connecting shaft 20 is connected in the seventh mounting hole 111 through a threaded structure. Specifically, an internal thread section is provided in the seventh mounting hole 111, and an external thread section is provided on the outer peripheral surface of the first end of the connecting shaft 20. The attachment and detachment of the connecting shaft 20 can be achieved by rotating the connecting shaft 20.

As shown in fig. 4, in the technical solution of the present embodiment, there are at least two connecting shafts 20, there are at least two first mounting holes 31, and at least two connecting shafts 20 and at least two first mounting holes 31 are disposed in one-to-one correspondence. Specifically, in the present embodiment, the number of the connecting shafts 20 is four, and each of the riser joints 11 is provided with two seventh mounting holes 111 at intervals in the vertical direction. The four connecting shafts 20 respectively fix four corners of the distance adjusting structure 30. Correspondingly, four second mounting holes 41 are provided on the carriage assembly 40. Of course, the number of the connecting shafts 20 and the first mounting holes 31 can be adaptively adjusted by those skilled in the art according to actual working requirements.

It should be noted that, since the connecting shaft 20 is detachably connected to the power box assembly 10 in this example, a plurality of sets of connecting shafts 20 and distance adjusting structures 30 with different sizes can be manufactured, and different variable-pitch sizes of the power head assembly can be adjusted by installing the connecting shafts 20 and the distance adjusting structures 30 with different sizes, so that the power head assembly can adapt to more working conditions.

The embodiment also provides a rotary drilling rig which comprises the power head assembly.

According to the above description, the present patent application has the following advantages:

1. the function of adjusting the center distance of the power head is realized by adding the distance adjusting structure;

2. the installation of the distance adjusting structure and the sliding frame component is simplified through the structure of the connecting shaft which is horizontally arranged;

3. the reserved threaded hole structure realizes simplification of disassembly of the power head assembly.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.

Claims

1. A powerhead assembly, comprising:

a power box assembly (10);

the first end of the connecting shaft (20) is connected to the power box assembly (10);

the distance adjusting structure (30) is provided with a first mounting hole (31), and the connecting shaft (20) penetrates through the first mounting hole (31);

a carriage assembly (40) disposed on a side of the pitch adjustment structure (30) facing away from the power box assembly (10);

a first fastener (50), said first fastener (50) adapted to connect said carriage assembly (40) on a second end of said connecting shaft (20).

2. The power head assembly according to claim 1, wherein a first threaded hole (21) is formed in a second end of the connecting shaft (20), a second mounting hole (41) is formed in the carriage assembly (40), the first fastener (50) comprises a first connecting bolt (51) and a pressing plate (52), an avoiding hole is formed in the pressing plate (52), the pressing plate (52) is abutted to the end face of the second mounting hole (41), and the first connecting bolt (51) penetrates through the avoiding hole, the second mounting hole (41) and the first threaded hole (21).

3. The powerhead assembly of claim 1, wherein the coupling shaft (20) extends in a horizontal direction.

4. The powerhead assembly of any of claims 1 to 3, wherein the pitch structure (30) is a frame structure, the power pack assembly (10) and the pitch structure (30) are connected by a second fastener (60), and/or the carriage assembly (40) and the pitch structure (30) are connected by a third fastener (70).

5. The power head assembly as claimed in claim 4, wherein a third mounting hole is provided on the power box assembly (10), a fourth mounting hole is provided on a surface of the distance adjusting structure (30) facing the power box assembly (10), and the second fastener (60) comprises a second connecting bolt passing through the third and fourth mounting holes.

6. The power head assembly as claimed in claim 4, wherein a fifth mounting hole is provided on the carriage assembly (40), a sixth mounting hole is provided on a surface of the distance adjusting structure (30) facing the carriage assembly (40), and the third fastener (70) comprises a third connecting bolt passing through the fifth and sixth mounting holes.

7. The powerhead assembly of claim 1 or 2, wherein the powerhead assembly (10) comprises two oppositely arranged connecting risers (11), and wherein a first end of the connecting shaft (20) is connected to a surface of the connecting risers (11) facing the carriage assembly (40).

8. The power head assembly as claimed in claim 7, wherein a seventh mounting hole (111) is formed in the connecting vertical plate (11), and the first end of the connecting shaft (20) is connected in the seventh mounting hole (111) through a threaded structure.

9. The power head assembly according to claim 1 or 2, wherein the number of the connecting shafts (20) is at least two, the number of the first mounting holes (31) is at least two, and at least two of the connecting shafts (20) and at least two of the first mounting holes (31) are arranged in one-to-one correspondence.

10. A rotary drilling rig comprising a power head assembly according to any one of claims 1 to 9.