CN111734315A - Rotary drilling tool and engineering machinery - Google Patents

Abstract

The embodiment of the invention provides a rotary drilling tool and engineering machinery, and relates to the field of engineering machinery. The rotary drilling tool comprises a drilling tool body, a bulldozing plate, a guide structure and a bearing plate, wherein the drilling tool body is provided with a cavity, the bulldozing plate is connected with the guide structure and located in the cavity, the guide structure is movably connected with the drilling tool body and can slide relative to the drilling tool body, and the bearing plate is connected with the guide structure and located outside the cavity and is used for being in transmission connection with driving equipment so that the driving equipment drives the bulldozing plate to move in the cavity. The rotary excavation and engineering machinery can ensure that the time spent on unloading the rock core and the slag is short, the operation is convenient and simple, and the efficiency of unloading the rock core and the slag is favorably improved; meanwhile, the extra abrasion of parts can not be caused, and the service life of the parts is ensured.

Description

Rotary drilling tool and engineering machinery

Technical Field

The invention relates to the field of engineering machinery, in particular to a rotary drilling tool and engineering machinery.

Background

When a rotary drilling rig drills a rock stratum, barrel drilling coring is a relatively efficient rock breaking mode, but sometimes a lot of time is needed for core unloading. When the core is unloaded, the power head and the drilling machine continuously rotate forwards and backwards, the drill rod continuously impacts and wears, and the drill rod and the drilling bucket also continuously collide. In addition, it is also necessary to add wooden piles above the drilling tool or place cross-shaped steel piles on the ground. After the steps, the core can be taken out of the drilling tool.

Obviously, in the prior art, core and slag removal takes a long time, is inefficient, complicated, and also increases component wear and reduces the service life thereof.

Disclosure of Invention

The invention aims to provide a rotary drilling tool and an engineering machine, which can solve the problems, ensure that the time for unloading a rock core and slag is short, and the operation is convenient and simple, and are beneficial to improving the efficiency of unloading the rock core and slag; meanwhile, the extra abrasion of parts can not be caused, and the service life of the parts is ensured.

The embodiment of the invention is realized by the following steps:

in a first aspect, an embodiment of the invention provides a rotary drilling tool, which includes a drilling tool body, a dozer plate, a guide structure and a bearing plate, wherein the drilling tool body has a cavity, the dozer plate is connected with the guide structure and located in the cavity, the guide structure is movably connected with the drilling tool body and can slide relative to the drilling tool body, and the bearing plate is connected with the guide structure and located outside the cavity and is used for being in transmission connection with a driving device, so that the driving device drives the dozer plate to move in the cavity.

In an optional embodiment, the drilling tool body comprises a cylinder and an end plate, the cylinder is connected with the end plate and encloses the cavity, the end plate is provided with a mounting hole for the guide structure to pass through, and the end part of the cylinder far away from the end plate is provided with a drill bit part.

In an optional implementation manner, the rotary drilling tool further comprises a guide sleeve, the guide sleeve is fixed in the mounting hole, and the guide structure is sleeved in the guide sleeve and can slide along the guide sleeve.

In an optional implementation manner, the rotary drilling tool further includes a first limiting seat, the first limiting seat is connected to the pressure bearing plate and the guide structure, and a cross-sectional size of the first limiting seat is larger than a cross-sectional size of the guide structure and larger than a trepan hole size of the guide sleeve.

In an optional implementation manner, the rotary drilling tool further comprises a second limiting seat, the second limiting seat is connected with the bulldozer and the guide structure, and the cross-sectional size of the second limiting seat is larger than the cross-sectional size of the guide structure and larger than the trepan size of the guide sleeve.

In an alternative embodiment, the number of the guide structures is plural, and a plurality of the guide structures are arranged between the dozer plate and the pressure bearing plate at intervals, and the number of the mounting holes is opposite to the number of the guide structures.

In an alternative embodiment, a plurality of partition plates are disposed on the end plate, the partition plates are spaced apart from each other, and the partition plates are located between two adjacent guide structures.

In an alternative embodiment, the bearing plate is an annular structure, and the plurality of guide structures surround the annular structure in a shape corresponding to the annular structure.

In an alternative embodiment, the guide structure is a guide bar structure, a guide rail structure or a guide groove structure.

In a second aspect, an embodiment of the present invention provides an engineering machine, including the rotary drilling rig according to any one of the foregoing embodiments.

The embodiment of the invention has the beneficial effects that: the rotary drilling tool provided by the invention comprises a drilling tool body, a bulldozing plate, a guide structure and a bearing plate, wherein the drilling tool body can take earth and drill in the rotary drilling process, and a cavity surrounded by the drilling tool body is used for filling earth slag or rock. The blade pushes the soil or rock in the cavity and separates the soil or rock from the cavity. The bearing plate can drive the guide structure and the bulldozing plate to move under the action of the driving device, so that the bulldozing plate pushes soil residues or rocks in the cavity. The guide structure is used for guiding the movement of the bulldozer and is favorable for the stability of the pushing process. When the rotary drilling tool provided by the embodiment of the invention works, the driving equipment drives the bearing plate, the guide structure and the bulldozer to move downwards, so that the bulldozer pushes out the muck or rock in the cavity, and the purposes of slag unloading and rock core unloading are achieved. The steps are simple, the efficiency is high, and the rotary drilling tool provided by the embodiment of the invention is simple in structure, convenient to use and efficient. Meanwhile, compared with the part which repeatedly rotates forwards and backwards and collides in the prior art, the rotary drilling tool provided by the embodiment of the invention can also avoid collision, so that the fatigue wear is reduced, and the service life is prolonged. The rotary drilling tool and the engineering machinery provided by the embodiment of the invention have the advantages that the time spent on core unloading and slag unloading is short, the operation is convenient and simple, and the efficiency of core unloading and slag unloading is favorably improved; meanwhile, the extra abrasion of parts can not be caused, and the service life of the parts is ensured.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a rotary drilling tool according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a rotary drilling tool according to another embodiment of the present invention;

FIG. 3 is a schematic structural diagram of the rotary drilling rig in FIG. 1 from another view angle;

fig. 4 is a schematic structural diagram of the rotary drilling rig in fig. 1 from a further viewing angle.

Icon: 100-rotary drilling tool; 110-a drill body; 111-a cavity; 112-a barrel; 113-an end plate; 114-a separator; 120-a bulldozer plate; 130-a guide structure; 140-a pressure bearing plate; 150-a guide sleeve; 160-a first limit seat; 170-second limit seat.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

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 or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 in specific cases to those skilled in the art.

Referring to fig. 1, an embodiment of the invention provides a rotary drilling tool 100. The rotary drilling tool 100 can facilitate core unloading and slag unloading, is convenient and simple to operate, and has efficiency.

It should be noted that the engineering machinery in the embodiment of the present invention includes, but is not limited to, a rotary drilling rig and the like. That is, the rotary drilling rig 100 can be applied to engineering machinery, for example, the rotary drilling rig 100 is applied to a rotary drilling rig, so that the core and slag discharging efficiency of the rotary drilling rig is improved; meanwhile, the abrasion of related parts can not be caused, and the service life of the rotary drilling rig is ensured.

In addition, in the prior art, although the cone bottom barrel drill is used for the stratum such as cement, broken stone, pebble, weathered rock and the like with small pile diameter, the construction efficiency can be improved, the slag discharging is difficult, the long-time slag discharging action has high noise, and the fatigue abrasion of a drill rod, a drilling bucket and a power head is easily caused. The rotary drilling tool 100 provided by the embodiment of the invention is not only suitable for general cylindrical drilling, but also suitable for conical bottom cylindrical drilling, so that the slag and core unloading efficiency of the corresponding drilling machine is improved, and the rotary drilling tool is simple and convenient to use.

In the embodiment of the present invention, the rotary drilling tool 100 includes a drilling tool body 110, a dozer plate 120, a guiding structure 130 and a pressure bearing plate 140, the drilling tool body 110 has a cavity 111, the dozer plate 120 is connected to the guiding structure 130 and located in the cavity 111, the guiding structure 130 is movably connected to the drilling tool body 110 and can slide relative to the drilling tool body 110, and the pressure bearing plate 140 is connected to the guiding structure 130 and located outside the cavity 111 and is used for being in transmission connection with a driving device, so that the driving device drives the dozer plate 120 to move in the cavity 111.

It should be understood that the rotary drilling tool 100 provided by the invention comprises a tool body 110, a bulldozer blade 120, a guide structure 130 and a pressure bearing plate 140, wherein the tool body 110 can be used for fetching earth and drilling in the rotary drilling process, and a cavity 111 enclosed by the tool body 110 is used for filling earth slag or rock. The blade 120 is able to push the dirt or rock within the cavity 111 and dislodge it from the cavity 111. The bearing plate 140 can drive the guide structure 130 and the blade 120 to move under the action of the driving device, so that the blade 120 pushes the soil or rock in the cavity 111. The guide structure 130 is used to guide the movement of the blade 120, which contributes to the smooth pushing process. When the rotary drilling tool 100 provided by the embodiment of the invention works, the driving device drives the pressure bearing plate 140, the guide structure 130 and the bulldozer blade 120 to move downwards, so that the bulldozer blade 120 pushes out the muck or rock in the cavity 111, and the purposes of slag unloading and core unloading are achieved. The steps are simple, the efficiency is high, and the rotary drilling tool 100 provided by the embodiment of the invention is simple in structure, convenient to use and efficient.

When the rotary drilling rig 100 provided by the invention is applied to a rotary drilling rig, the drilling rig body 110 can take earth and drill in the rotary drilling process, soil or rock drives the bulldozer plate 120 to move upwards, and after the cavity 111 is full, the rotary drilling rig extracts a drill rod and a drilling tool out of a hole. Then turning to prepare for slag unloading; because the rock-soil body is squeezed in the drilling tool more compactly, especially the rock weathered in a medium or slightly, no matter whether the cutting tooth barrel drill or the gear barrel drill can integrally take out the rock core, the gap between the rock-soil body and the barrel body 112 is very small. In the rotary drilling rig 100 provided by the application, after the drill rod and the drilling rig are lifted out of the hole, the rotary drilling rig presses the bearing plate 140 downwards through the power head, then the bearing plate 140, the guide rod (guide structure 130) and the bulldozer plate 120 can push the rock core or the muck downwards, and after the rock-soil body in the cylindrical drilling is partially loosened, the rotary drilling rig can unload the rock core and the muck out of the hole by only rotating the drill rod for several times.

It should be noted that the rotary drilling tool 100 provided in the embodiment of the present invention may be a barrel drill, including but not limited to a rock-socketed barrel drill, a roller cone barrel drill, a cone bottom barrel drill, and the like. As shown in fig. 2, the structure shown in fig. 2 is a schematic structure of the rotary drilling tool 100 provided in the embodiment of the present invention when drilling a cone bottom cylinder.

In addition, it should be noted that the rotary drilling tool 100 provided by the present invention may be a barrel drill. When the rotary drilling tool 100 provided by the invention is a barrel drilling tool, the drilling tool body 110 is substantially similar to the barrel drilling tool in the prior art. In order to reduce the operation complexity of slag unloading and core unloading and improve the working efficiency of slag unloading and core unloading, the embodiment of the invention is provided with a bulldozer 120, a guide structure 130 and a bearing plate 140, wherein the bulldozer 120 is connected with the guide structure 130 and is positioned in the cavity 111 of the drilling tool body 110; the guide structure 130 is movably connected with the drilling tool body 110 and can slide relative to the drilling tool body 110, and the bearing plate 140 is connected with the guide structure 130 and is positioned outside the cavity 111; the blade 120 is moved in the cavity 111 by the driving means being in driving connection with the pressure receiving plate 140, and the core or the soil in the cavity 111 can be pushed out of the cavity 111 when the blade 120 is moved downward (the term "downward" as used herein means that the blade 120 is moved toward the opening of the cavity 111). After the core or the soil is pushed out by the blade 120, the blade 120 is reset by the driving device (or the blade 120 is pushed by the core or the soil during the rotary drilling process to move upward) for the next operation. The process is simple, the steps are convenient to realize, and compared with the steps of forward rotation and reverse rotation in the prior art, the method has higher efficiency and simpler steps.

Referring to fig. 3, the drill body 110 may include a cylinder 112 and an end plate 113, the cylinder 112 is connected to the end plate 113 and encloses a cavity 111, the end plate 113 is provided with a mounting hole for the guide structure 130 to pass through, and an end of the cylinder 112 away from the end plate 113 is provided with a drill bit.

In an optional embodiment, the rotary drilling tool 100 may further include a guide sleeve 150, the guide sleeve 150 is fixed in the mounting hole, and the guide structure 130 is sleeved in the guide sleeve 150 and can slide along the guide sleeve 150.

Further, the rotary drilling tool 100 may further include a first limiting seat 160, the first limiting seat 160 is connected to the pressure bearing plate 140 and the guiding structure 130, and a cross-sectional size of the first limiting seat 160 is larger than a cross-sectional size of the guiding structure 130 and larger than a trepan size of the guiding sleeve 150.

It should be understood that the first limiting seat 160 can cooperate with the guide sleeve 150 during the downward pushing process to control the stroke of the blade 120, so as to ensure that the structure of the drill body 110 is not affected during the downward pushing process of the power head.

In an alternative embodiment, the rotary drilling tool 100 may further include a second stopper 170, the second stopper 170 is connected to the blade 120 and the guide structure 130, and a cross-sectional dimension of the second stopper 170 is larger than a cross-sectional dimension of the guide structure 130 and larger than a trepan size of the guide sleeve 150.

It should be understood that the second stopper 170 can cooperate with the guide sleeve 150 during the upward pushing process to control the stroke of the blade 120, so as to ensure that the structure of the drill body 110 is not affected during the upward movement of the blade 120.

In an alternative embodiment, the number of the guide structures 130 is multiple (four are shown in the figure), and a plurality of guide structures 130 are arranged between the blade 120 and the pressure bearing plate 140 at intervals, and the number of the mounting holes is opposite to the number of the guide structures 130. The plurality of guide structures 130 can improve the stability of the blade 120 during movement, so that the bearing plate 140 and the blade 120 are balanced in stress, and the parts are not deformed during operation. In this embodiment, in the drilling process of the engineering machinery (such as a rotary drilling rig), each component of the rotary drilling rig 100 does not interfere with other components of the engineering machinery, such as a drill rod and a drilling tool, and the construction efficiency is not adversely affected.

Optionally, the guide structure 130 is a guide bar structure, a guide rail structure, or a guide groove structure. In the embodiment shown, the guide structure 130 is a guide rod, the number of which is four, and correspondingly, the number of the guide sleeves 150 is also four. The guide bar is sleeved in the guide sleeve 150 and can slide relative to the guide sleeve 150 for guiding the movement of the bearing plate 140 and the blade 120.

In an alternative embodiment, a plurality of partition plates 114 may be disposed on the end plate 113, the plurality of partition plates 114 being disposed at intervals, and the partition plates 114 being located between two adjacent guide structures 130. Of course, the partition 114 can also enhance the strength of the end plate 113.

Referring to fig. 4, in an alternative embodiment, the pressure bearing plate 140 is a ring structure, and the plurality of guide structures 130 surround the ring structure in a shape corresponding to the ring structure. The shape of the pressure bearing plate 140 is not limited to a circle, a square, a triangle, etc.

The embodiment of the invention provides an engineering machine which comprises the rotary drilling tool 100 in any one of the previous embodiments. As mentioned above, the engineering machine may be a rotary drilling rig. The engineering machinery at least has the beneficial effects similar to those of the rotary drilling tool 100, namely, the efficiency of slag and rock core unloading is high, and the engineering machinery is simple in steps and convenient to operate.

Referring to fig. 1 to 4, the rotary drilling tool 100 of the present invention includes a tool body 110, a dozer plate 120, a guide structure 130, and a pressure plate 140. The drilling tool body 110 can drill in a rotary digging process by taking earth, and a cavity 111 surrounded by the drilling tool body 110 is used for filling earth slag or rock. The blade 120 is able to push the dirt or rock within the cavity 111 and dislodge it from the cavity 111. The bearing plate 140 can drive the guide structure 130 and the blade 120 to move under the action of the driving device, so that the blade 120 pushes the soil or rock in the cavity 111. The guide structure 130 is used to guide the movement of the blade 120, which contributes to the smooth pushing process. When the rotary drilling tool 100 provided by the embodiment of the invention works, the driving device drives the pressure bearing plate 140, the guide structure 130 and the bulldozer blade 120 to move downwards, so that the bulldozer blade 120 pushes out the muck or rock in the cavity 111, and the purposes of slag unloading and core unloading are achieved. The steps are simple, the efficiency is high, and the rotary drilling tool 100 provided by the embodiment of the invention is simple in structure, convenient to use and efficient. Meanwhile, compared with the part which repeatedly rotates forward and backward and collides in the prior art, the rotary drilling tool 100 provided by the embodiment of the invention can also avoid collision, thereby reducing fatigue wear and prolonging the service life. The rotary drilling tool 100 and the engineering machinery provided by the embodiment of the invention have the advantages of short time for core and slag unloading, convenient and simple operation, and are beneficial to improving the efficiency of core and slag unloading; meanwhile, the extra abrasion of parts can not be caused, and the service life of the parts is ensured.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The rotary drilling tool is characterized by comprising a drilling tool body (110), a bulldozer plate (120), a guide structure (130) and a pressure bearing plate (140), wherein the drilling tool body (110) is provided with a cavity (111), the bulldozer plate (120) is connected with the guide structure (130) and is positioned in the cavity (111), the guide structure (130) is movably connected with the drilling tool body (110) and can slide relative to the drilling tool body (110), and the pressure bearing plate (140) is connected with the guide structure (130) and is positioned outside the cavity (111) and is used for being in transmission connection with driving equipment so that the driving equipment drives the bulldozer plate (120) to move in the cavity (111).

2. The rotary drilling tool according to claim 1, wherein the drilling tool body (110) comprises a cylinder (112) and an end plate (113), the cylinder (112) is connected with the end plate (113) and encloses the cavity (111), a mounting hole for the guide structure (130) to pass through is formed in the end plate (113), and a drilling head is arranged at the end, far away from the end plate (113), of the cylinder (112).

3. The rotary drilling tool according to claim 2, wherein the rotary drilling tool (100) further comprises a guide sleeve (150), the guide sleeve (150) is fixed in the mounting hole, and the guide structure (130) is sleeved in the guide sleeve (150) and can slide along the guide sleeve (150).

4. The rotary drilling tool according to claim 3, wherein the rotary drilling tool (100) further comprises a first limiting seat (160), the first limiting seat (160) is connected with the pressure bearing plate (140) and the guide structure (130), and the cross-sectional dimension of the first limiting seat (160) is larger than the cross-sectional dimension of the guide structure (130) and larger than the trepan boring dimension of the guide sleeve (150).

5. The rotary drilling tool according to claim 3, wherein the rotary drilling tool (100) further comprises a second limiting seat (170), the second limiting seat (170) is connected with the bulldozer plate (120) and the guide structure (130), and the cross-sectional dimension of the second limiting seat (170) is larger than the cross-sectional dimension of the guide structure (130) and larger than the trepan boring dimension of the guide sleeve (150).

6. The rotary drilling tool according to any one of claims 2 to 5, wherein the number of the guide structures (130) is plural, and the plural guide structures (130) are arranged between the dozer plate (120) and the pressure bearing plate (140) at intervals, and the number of the mounting holes is opposite to the number of the guide structures (130).

7. The rotary drilling rig according to claim 6, wherein a plurality of partition plates (114) are arranged on the end plate (113), the partition plates (114) are arranged at intervals, and the partition plates (114) are located between two adjacent guide structures (130).

8. The rotary drilling rig according to claim 6, wherein the pressure bearing plate (140) is an annular structure, and the plurality of guide structures (130) are surrounded to form a shape corresponding to the annular structure.

9. The rotary drilling tool according to any one of claims 1-5, wherein the guiding structure (130) is a guide rod structure, a guide rail structure or a guide groove structure.

10. A working machine, characterized by comprising a rotary drilling rig (100) according to any of claims 1-9.

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