CN217538622U

CN217538622U - Connecting structure for connecting power head and drilling machine

Info

Publication number: CN217538622U
Application number: CN202221509085.2U
Authority: CN
Inventors: 黄秋铖; 任海悦; 彭楠
Original assignee: Beijing Sany Intelligent Technology Co Ltd
Current assignee: Beijing Sany Intelligent Technology Co Ltd
Priority date: 2022-06-15
Filing date: 2022-06-15
Publication date: 2022-10-04
Anticipated expiration: 2032-06-15

Abstract

The utility model relates to an engineering machine tool technical field, concretely relates to a connection structure and rig for connecting unit head. The connecting structure for connecting the power head comprises: two coupling hooks, each coupling hook includes: the connecting main body is suitable for being connected with the power head or the driving cylinder; the hook body is rotatably arranged on the connecting main body; the locking body is movably arranged on the connecting main body so as to limit the hook body in the working state. The utility model discloses an operation locking body can realize quick auto-lock and unblock, and the dismouting is simple and convenient and laborsaving, and the effectual great problem that causes the dismantlement more difficult of hydro-cylinder pressurization department round pin axle atress of having solved.

Description

Connecting structure for connecting power head and drilling machine

Technical Field

The utility model relates to an engineering machine tool technical field, concretely relates to a connection structure and rig for connecting unit head.

Background

The rotary drilling rig is a construction machine suitable for hole forming operation of building foundation engineering, and is mainly used for construction of soil layers such as sandy soil, cohesive soil, silty soil and the like. Generally, in the transferring process, the power head is detached and transported separately, the power head is connected with a piston rod of the oil cylinder through a pin shaft, but the pin shaft at the pressurizing position of the oil cylinder is stressed greatly, so that the power head is difficult to detach.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the great difficult defect of dismantlement that causes of hydro-cylinder pressurization department round pin axle atress among the prior art to a connection structure and rig for connecting the unit head is provided.

In order to solve the above problem, the utility model provides a connection structure for connecting unit head, include: two coupling hooks, each coupling hook includes: the connecting main body is suitable for being connected with the power head or the driving cylinder; the hook body is rotatably arranged on the connecting main body; the locking body is movably arranged on the connecting main body so as to limit the hook body in the working state.

Optionally, the locking body has an unlocked state for unlocking and a locked state for locking the hook body, when the locking body is in the locked state, the hook body is fixed, and when the locking body is in the unlocked state, the hook body can rotate freely.

Optionally, the locking body is movably arranged on the connecting body.

Alternatively, the direction of movement of the locking body is parallel to the axis of rotation of the hook body.

Optionally, when the two connecting hooks are used in pairs, the first ends of the hook bodies of the two connecting hooks can be hooked with each other, the middle parts of the hook bodies are rotatably arranged on the connecting main body, the locking body is provided with a locking piece, one side, facing the locking piece, of the second end of the hook body is provided with a step surface, and the locking piece can be matched with or separated from the step surface.

Optionally, the locking body includes cylinder and U-shaped body, the U opening of U-shaped body sets up towards the coupler body and supplies the second end of coupler body to pass through, and the U-shaped body includes two lateral plates and the connection piece of connecting two lateral plates, and the lateral plate that is close to the cylinder forms the locking piece, is equipped with the installation through-hole in the connecting body, and the installation through-hole is with locking body looks adaptation.

Optionally, the connecting body has an opening, the opening of one connecting hook fitting into the hook body of the other connecting hook.

Optionally, the connecting body further has a connecting hole, the hook body is provided with a connecting through hole, and the connecting hook further includes a pin shaft, and the pin shaft is inserted into the connecting hole and the connecting through hole.

Optionally, the hook body comprises a first hook section and a second hook section, the length of the first hook section along the rotation axis is greater than the length of the second hook section along the rotation axis, and the step surface is arranged at one end of the second hook section far away from the first hook section.

The utility model also provides a drilling machine, include: the above-mentioned connecting structure.

The utility model has the advantages of it is following:

1. the power head and the driving cylinder are connected together through the two connecting hooks, when the power head needs to be transported, the locking bodies of the two connecting hooks do not limit the state of the hook bodies, the hook bodies of the two connecting hooks can rotate freely, the two connecting hooks can be separated, and at the moment, the power head can be detached for independent transportation; after the power head is transferred to a specified place, the connecting hooks on the power head are close to the connecting hooks on the driving cylinder, hook bodies of the two connecting hooks are hooked with each other, then the corresponding hook bodies are limited in a working state through the locking bodies, namely, each locking body limits the rotation of the corresponding hook body, and further the hook body is locked. The power head is connected with the piston rod of the driving cylinder through the connecting structure, quick self-locking and unlocking can be realized through operating the locking body, the assembly and disassembly are simple and labor-saving, and the problem that the disassembly is difficult due to the fact that the stress of the pin shaft at the pressurizing position of the oil cylinder is large is effectively solved.

2. The locking body is movably arranged on the connecting main body, and the locking state and the unlocking state are switched by moving the locking body, so that the structure is simple, and the operation is convenient.

3. When the two connecting hooks are used in pairs, the first ends of the hook bodies of the two connecting hooks can be hooked with each other, the middle parts of the hook bodies are rotatably arranged on the connecting main body, the locking bodies are provided with locking pieces, step surfaces are arranged on one sides, facing the locking pieces, of the second ends of the hook bodies, and the locking pieces can be matched with or separated from the step surfaces. When the locking piece is matched with the step surface, the locking body is in a locking state, the hook body is not rotatable, and when the locking piece is separated from the step surface, the locking body is in an unlocking state, and the hook body can rotate. Through setting up step face and locking plate can realize quick auto-lock and unblock, simple structure, the manufacturing of being convenient for.

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 embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic front view illustrating the connection structure and the power head according to the embodiment of the present invention;

FIG. 2 shows a schematic front view of one attachment hook of the attachment structure of FIG. 1;

FIG. 3 shows a schematic front view of the locking body of the coupling hook of FIG. 2;

FIG. 4 shows a left side schematic view of the locking body of FIG. 3;

FIG. 5 shows a schematic front view of the hook body of the attachment hook of FIG. 2;

fig. 6 shows a schematic right view of the attachment hook of fig. 5.

Description of reference numerals:

10. a connecting hook; 11. a connecting body; 111. an opening; 12. a hook body; 121. a first hook section; 122. a second hook section; 1221. a step surface; 13. a locking body; 131. a cylinder; 132. a U-shaped body; 1321. a locking piece; 14. a pin shaft; 20. and a power head.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element 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," 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 and 2, the connection structure for connecting a power head of the present embodiment includes: two attachment hooks 10, each attachment hook 10 comprising: a connecting body 11, a hook body 12 and a locking body 13. The connecting body 11 is adapted to be connected to the power head 20 or drive cylinder; the hook body 12 is rotatably provided on the connecting body 11; a locking body 13 is movably arranged on the connecting body 11 to limit the hook body 12 in the operative condition.

By applying the connecting structure of the embodiment, the power head 20 and the driving cylinder are connected together through the two connecting hooks 10, when the power head 20 needs to be transported, the locking bodies 13 of the two connecting hooks 10 do not limit the state of the hook body 12, the hook bodies 12 of the two connecting hooks 10 can freely rotate, the two connecting hooks 10 can be separated, and at this time, the power head 20 can be detached for independent transportation; after the power head is transported to a designated place, the connecting hooks 10 on the power head 20 are close to the connecting hooks 10 on the driving cylinder, the hook bodies 12 of the two connecting hooks 10 are hooked with each other, and then the corresponding hook body 12 is limited in a working state through the locking bodies 13, namely, each locking body 13 limits the rotation of the corresponding hook body 12, so that the hook body 12 is locked. The power head 20 is connected with the piston rod of the driving cylinder through the connecting structure, quick self-locking and unlocking can be realized by operating the locking body 13, the dismounting is simple and convenient, labor is saved, and the problem that the dismounting is difficult due to the fact that the stress of a pin shaft at the pressurizing position of the oil cylinder is large is effectively solved.

In this embodiment, the locking body 13 has an unlocked state for unlocking and a locked state for restricting locking, when the locking body 13 is in the locked state, the hook body 12 is fixed, when the locking body 13 is in the unlocked state, the hook body 12 can freely rotate, when the two connecting hooks 10 are used in pair, the locking bodies 13 of the two connecting hooks 10 are in the unlocked state, and the hook bodies 12 of the two connecting hooks 10 can be hooked with each other. When the power head 20 needs to be transported, the two locking bodies 13 are moved to the unlocking state, the two connecting hooks 10 can be separated, and the power head 20 can be detached for independent transportation; after the power head is transported to a designated place, the connecting hooks 10 on the power head 20 are close to the connecting hooks 10 on the driving cylinder, the hook bodies 12 of the two connecting hooks 10 are hooked with each other, then the locking bodies 13 of the two connecting hooks 10 are moved to a locking state, and each locking body 13 limits the rotation of the corresponding hook body 12, so that the hook body 12 is locked.

In the present embodiment, the locking body 13 is movably provided on the connecting body 11, and switching between the locked state and the unlocked state is made by moving the locking body 13, which is simple in structure and convenient in operation. It will be appreciated that, as an alternative embodiment, the locking body 13 is swingably provided on the connecting body 11, and switching between the locked state and the unlocked state is made by swinging the locking body 13.

In the present embodiment, the moving direction of the locking body 13 is parallel to the rotation axis of the hook body 12, and the structure of the coupling hook can be simplified. It will be appreciated that, as an alternative embodiment, the direction of movement of the locking body 13 is perpendicular to the axis of rotation of the hook body 12 and along the direction of sliding of the power head 20.

In this embodiment, as shown in fig. 2 to 6, when two coupling hooks 10 are used in pairs, the first ends of the hook bodies 12 can be hooked with each other, the middle part of the hook body 12 is rotatably disposed on the coupling body 11, the locking body 13 has a locking piece 1321, a step surface 1221 is disposed on a side of the second end of the hook body 12 facing the locking piece 1321, and the locking piece 1321 can be engaged with or disengaged from the step surface 1221. When the locking piece 1321 is engaged with the step surface 1221, the locking body 13 is in a locked state and the hook body 12 is not rotatable, and when the locking piece 1321 is separated from the step surface 1221, the locking body 13 is in an unlocked state and the hook body 12 is rotatable. Through setting up step face and locking plate 1321 can realize quick auto-lock and unblock, simple structure, the manufacturing of being convenient for. It will be appreciated that, as an alternative embodiment, the hook body 12 is provided at the second end thereof with a groove opened toward the locking flap, the locking flap 1321 is inserted into the groove, the hook body 12 cannot be rotated, the locking flap 1321 is separated from the groove, and the hook body 12 can be rotated.

In the present embodiment, as shown in fig. 2 to 4, the locking body 13 includes a column 131 and a U-shaped body 132, the U-shaped body 132 has a U opening disposed toward the hook body 12 and through which the second end of the hook body 12 passes, the U-shaped body 132 includes two side pieces and a connecting piece connecting the two side pieces, the side piece adjacent to the column 131 forms a locking piece 1321, and the connecting body 11 is provided with a mounting through hole which is fitted to the locking body 13, and the connecting hook 10 is similar to a jean type coupler. It will be appreciated that, as an alternative embodiment, the locking body 13 comprises a cylinder 131 and an L-shaped body comprising a horizontal body arranged along the direction of movement of the locking body 13 and a vertical body perpendicular to the direction of movement of the locking body 13, the vertical body being located at an end of the horizontal body close to the cylinder.

In this embodiment, the side of U-shaped body 132 away from column 131 is polygonal in shape, and the cross-sectional shape of the portion of the mounting through-hole is also polygonal, so that locking body 13 cannot rotate but only can move. Preferably, the polygon is a rectangle or the like.

In this embodiment, the cylinder 131 is cylindrical, which facilitates manufacturing and reduces manufacturing cost. It is understood that, as an alternative embodiment, the cylinder 131 may be prism-shaped, etc.

In the present embodiment, as shown in fig. 2, 5 and 6, the connecting body 11 has an opening 111, the opening 111 of one connecting hook 10 is matched with the hook body 12 of the other connecting hook 10, and when the two connecting hooks 10 are used in pairs and hooked with each other, the opening 111 of one connecting hook 10 is used for accommodating the first end of the hook body 12 of the other connecting hook 10, so as to facilitate hooking the hook bodies 12 of the two connecting hooks 10 together.

Preferably, the connecting body 11 further has a connecting hole, the hook body 12 is provided with a connecting through hole, the connecting hook 10 further includes a pin 14, the pin 14 is inserted into the connecting hole and the connecting through hole, the connecting hook 10 and the connecting body 11 are connected through the pin 14, and the connecting mode is simple and convenient.

In the present embodiment, the hook body 12 includes a first hook segment 121 and a second hook segment 122, the length of the first hook segment 121 along the rotation axis is greater than the length of the second hook segment 122 along the rotation axis, and a step surface 1221 is provided on an end of the second hook segment 122 away from the first hook segment 121. The coupling hole is also provided on the second hook section 122. It will be appreciated that as an alternative embodiment, the length of the first hook segment 121 along the axis of rotation may also be equal to the length of the second hook segment 122 along the axis of rotation.

Preferably, the connecting body 11 also has a housing cavity communicating with the opening 111, the housing cavity also communicating with the mounting through hole, the second hooking section 122 being located in the housing cavity when the locking body 13 is in the locked condition. It will be appreciated that the receiving cavity may not be provided.

Preferably, the second hook segment 122 is substantially L-shaped and the first hook segment 121 is substantially linear. It is understood that, as an alternative embodiment, the second hook section 122 may have an arc shape or the like that is curved to be arched toward the side away from the first hook section 121, and the first hook section 121 may have an arc shape or the like that is curved to be arched toward the side away from the second hook section 122, as long as a structure in which the two hook bodies 12 can be hooked together can be realized.

The operation of the connection structure is described below with reference to fig. 1 and 2:

when the locking body 13 moves outwards along the vertical paper surface in fig. 1, the step surface of the hook body 12 does not contact with the locking piece 1321 of the locking body 13, the hook body 12 can rotate around the pin shaft 14 to move the power head 20 downwards, the hook bodies 12 of the two connecting hooks 10 can be separated, and the power head can be detached; when the power head 20 is installed, the power head 20 is close to the driving cylinder, when the hook bodies 12 of the two connecting hooks 10 are hooked with each other, the locking body 13 moves inwards in a vertical paper surface in fig. 1, the step surface of the hook body 12 is blocked by the locking piece 1321 of the locking body 13, self-locking is realized, and the power head 20 and the piston rod of the driving cylinder can be connected together.

The utility model also provides a drilling machine, it includes: the power head connecting structure is provided.

In this embodiment, as shown in fig. 1 and fig. 2, the drilling machine further includes a mast, a power head 20 and a driving cylinder, the power head 20 is slidably disposed on the mast, a cylinder of the driving cylinder is fixed on the mast, a piston rod of the driving cylinder is connected to the power head 20 through a connecting structure, a connecting hook 10 is connected to the piston rod, a connecting hook 10 is connected to the power head 20, and the two connecting hooks 10 can be hooked together or separated.

In this embodiment, the drilling rig is a rotary drilling rig or the like.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

the driving cylinder and the power head of the rotary drilling rig are connected through a connecting structure which can be vertically split, the connecting structure comprises two connecting hooks 10, each connecting hook 10 comprises a connecting main body 11, a hook body 12, a locking body 13 and a pin shaft 14, the hook body 12 is connected to the connecting main body 11 through the pin shaft 14, the locking body 13 can move on the connecting main body 11, when the two hook bodies 12 are hooked with each other, the locking body 13 is moved, a step surface on the hook body 12 is in contact with a locking piece 1321 of the locking body 13, the locking hook body 12 can be realized, the connecting structure can realize quick self-locking and unlocking, not only can transmit pulling force and pressure, but also can realize quick connection and self-locking, and the power head is convenient to disassemble and assemble, and disassemble, and effectively solve the problems that the disassembly is difficult due to large stress of the pin shaft for connecting the power head and a piston rod in the prior art, severe working environment, easy rusting, deformation and the like.

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 changes and modifications can be made without departing from the scope of the invention.

Claims

1. A connection structure for connecting a power head, comprising: two attachment hooks (10), each attachment hook (10) comprising:

a connecting body (11) adapted to be connected to a power head (20) or a drive cylinder;

a hook body (12) rotatably provided on the connecting body (11);

a locking body (13) movably arranged on the connecting body (11) to limit the hook body (12) in an operating state.

2. A connection according to claim 1, characterized in that the locking body (13) has an unlocked state unlocking the hook (12) and a locked state locking the hook (12), the hook (12) being stationary when the locking body (13) is in the locked state, the hook (12) being freely rotatable when the locking body (13) is in the unlocked state.

3. A connection according to claim 2, characterized in that the locking body (13) is movably arranged on the connection body (11).

4. A connection according to claim 3, characterized in that the direction of movement of the locking body (13) is parallel to the axis of rotation of the hook body (12).

5. The connecting structure according to claim 4, wherein the first ends of the hook bodies (12) of the two connecting hooks (10) can be hooked with each other when used in pairs, the middle parts of the hook bodies (12) are rotatably arranged on the connecting body (11), the locking body (13) is provided with a locking piece (1321), the side of the second end of the hook body (12) facing the locking piece (1321) is provided with a step surface (1221), and the locking piece (1321) can be matched with or separated from the step surface (1221).

6. The connection structure according to claim 5, characterized in that the locking body (13) comprises a post (131) and a U-shaped body (132), the U-shaped body (132) has a U opening disposed towards the hook (12) and for the passage of the second end of the hook (12), the U-shaped body (132) comprises two side pieces and a connecting piece connecting the two side pieces, the side piece adjacent to the post (131) forms the locking piece (1321), the connecting body (11) is provided with a mounting through hole, and the mounting through hole is adapted to the locking body (13).

7. The connection according to any one of claims 1 to 6, characterized in that the connection body (11) has an opening (111), the opening (111) of one of the connection hooks (10) fitting into a hook body (12) of the other connection hook (10).

8. The connection structure according to any one of claims 1 to 6, wherein the connection body (11) further has a connection hole, a connection through hole is provided on the hook body (12), the connection hook (10) further comprises a pin (14), and the pin (14) is inserted into the connection hole and the connection through hole.

9. The connection according to claim 5, characterized in that the hook body (12) comprises a first hook section (121) and a second hook section (122), the length of the first hook section (121) along the rotation axis being greater than the length of the second hook section (122) along the rotation axis, the step surface (1221) being provided on an end of the second hook section (122) remote from the first hook section (121).

10. A drilling rig, comprising: the connecting structure of any one of claims 1 to 9.