CN112796688A

CN112796688A - Engineering drilling device

Info

Publication number: CN112796688A
Application number: CN202011578320.7A
Authority: CN
Inventors: 丁永剑; 吴少华; 李鑫
Original assignee: Hubei Shoukai Machinery Co ltd
Current assignee: Hubei Shoukai Machinery Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-05-14

Abstract

The invention relates to an engineering drilling device which comprises a connecting seat, a clamping assembly, a traveling assembly, a rotating assembly and a drill rod, wherein the connecting seat is arranged on the upper surface of the connecting seat; the rotating assembly is arranged on the advancing assembly, the advancing assembly is arranged on the connecting seat, and the advancing assembly can move along the length direction of the connecting seat; the drill rod is detachably arranged on the rotating assembly and can rotate under the driving of the rotating assembly; the clamping assembly comprises a hydraulic oil cylinder and at least two groups of hydraulic clamping heads, the two groups of hydraulic clamping heads are connected with the hydraulic oil cylinder, and the hydraulic clamping heads are synchronously opened and closed under the driving of the hydraulic oil cylinder; the hydraulic clamping heads are uniformly arranged on the axial connecting seat of the drill rod. The clamping part in the engineering drilling device provided by the invention can be synchronously opened and closed, so that the problems that the drill rod is not stably clamped and is easy to deviate in the construction process due to the fact that clamping equipment at the drill rod clamping position does not work coordinately are avoided, and the drilling operation quality is improved.

Description

Engineering drilling device

Technical Field

The invention relates to the technical field of engineering equipment, in particular to an engineering drilling device.

Background

The foundation construction is carried out without tamping foundation, directional blasting, soil anchoring and other engineering contents, wherein the soil anchoring is a technology for reinforcing rock-soil slope by pouring reinforced cement columns into rock stratum and soil through drilling. Because the topography of construction job site is comparatively complicated, and operational environment is comparatively abominable, has higher requirement to the stability of drilling equipment or device. Meanwhile, the working safety and stability of the drilling equipment directly influence the progress of the project.

For the drilling of some occasions, drilling equipment needs to splice the drilling rod, the chucks are generally adopted to clamp the drilling rod during splicing, the chucks on two sides of one drilling rod are driven by different hydraulic cylinders, the condition that the clamping degrees of the chucks on two sides are not synchronous easily occurs, the condition that the drilling rod deviates after working easily occurs, and the long-time stable work of the drilling rod is not facilitated.

Disclosure of Invention

In view of the above, there is a need to provide an engineered drilling apparatus that addresses at least one of the problems noted above.

The invention provides an engineering drilling device which comprises a connecting seat, a clamping assembly, a traveling assembly, a rotating assembly and a drill rod, wherein the connecting seat is arranged on the upper surface of the connecting seat;

the rotating assembly is arranged on the travelling assembly, the travelling assembly is arranged on the connecting seat, and the travelling assembly can move along the length direction of the connecting seat; the drill rod is detachably arranged on the rotating assembly and can rotate under the driving of the rotating assembly;

the clamping assembly comprises a hydraulic oil cylinder and at least two groups of hydraulic clamping heads, the two groups of hydraulic clamping heads are connected with the hydraulic oil cylinder, and the hydraulic clamping heads are synchronously opened and closed under the driving of the hydraulic oil cylinder; the hydraulic clamping heads are uniformly arranged on the connecting seat in the axial direction of the drill rod.

In one embodiment, at least two bearings are arranged on the drill rod; and the hydraulic clamping head is provided with a pair of bearing mounting half grooves matched with the bearings.

In one embodiment, the clamping assembly further comprises a control valve, at least one pair of oil delivery pipes and at least one pair of oil return pipes, the control valve is connected with the hydraulic oil cylinder, the control valve is respectively connected with the pair of oil delivery pipes, and each oil delivery pipe is connected to one group of the hydraulic clamping heads; one end of the oil return pipe is connected with the hydraulic clamping head, and the other end of the oil return pipe is connected with the hydraulic oil cylinder.

The technical scheme provided by the embodiment of the invention has the following beneficial technical effects:

the engineering drilling device provided by the invention adopts a plurality of groups of hydraulic clamping heads driven by the same hydraulic oil cylinder to clamp the drill rod at different positions on the drill rod, so that the drill rod can be stably clamped, the clamping parts can be synchronously opened and closed, the problems of unstable drill rod clamping and easy deviation in the construction process caused by the inconsistent work of clamping equipment at the clamping positions of the drill rod are avoided, and the drilling operation quality is improved.

Additional aspects and advantages of the present invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:

FIG. 1 is a schematic plan view of an engineering driller according to an embodiment of the present invention;

fig. 2 is a schematic plan view of a clamping assembly according to an embodiment of the present invention.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Possible embodiments of the invention are given in the figures. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein by the accompanying drawings. The embodiments described by way of reference to the drawings are illustrative for the purpose of providing a more thorough understanding of the present disclosure and are not to be construed as limiting the present invention. Furthermore, if a detailed description of known technologies is not necessary for illustrating the features of the present invention, such technical details may be omitted.

It will be understood by those skilled in the relevant art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It is to be understood that the term "and/or" as used herein is intended to include all or any and all combinations of one or more of the associated listed items.

The technical solution of the present invention and how to solve the above technical problems will be described in detail with specific examples.

The engineering drilling device provided by the present application, as shown in fig. 1, comprises a connection seat 100, a clamping assembly 200, a traveling assembly 300, a rotating assembly 400 and a drill rod 500. Of course, the smooth completion of the drilling operation requires other auxiliary and necessary equipment, such as a moving device capable of moving the engineering drilling device, and a power device, such as a motor or an electric motor, for driving each component of the engineering drilling device to operate. There are also various connecting assemblies that enable the cooperative mounting of the various devices.

The rotating assembly 400 is arranged on the traveling assembly 300, the traveling assembly 300 is arranged on the connecting seat 100, and the traveling assembly 300 can move along the length direction of the connecting seat 100; drill rod 500 is removably disposed on rotary assembly 400 and is rotatable upon actuation of rotary assembly 400. A coupling is included in rotary assembly 400 that enables connection to drill rod 500 so that drill rod 500 fits well with rotary assembly 400. Also included in rotation assembly 400 is a power device capable of driving rotation of drill rod 500 to enable drill rod 500 to drill a hole, optionally with the use of an existing component such as a suitable motor or engine. The advancing assembly 300 can drive the rotating assembly 400 to move on the connecting base 100 as a whole, specifically, the first guide rail 110 is disposed on the connecting base 100, correspondingly, a sliding groove matched with the first guide rail 110 is disposed on the advancing assembly 300, the rotating assembly 400 is disposed on the first guide rail 110, and the advancing assembly 300 has a telescopic component, for example, a hydraulic jack, connected to the connecting base 100.

As shown in fig. 2, the clamping assembly 200 includes a hydraulic cylinder and at least two groups of hydraulic clamping heads, both of the two groups of hydraulic clamping heads are connected with the hydraulic cylinder, and the hydraulic clamping heads are driven by the hydraulic cylinder to synchronously open and close; the hydraulic clamping heads are uniformly arranged on the connecting base 100 in the axial direction of the drill rod 500. The hydraulic clamping head of the clamping assembly 200 generally comprises a pair of mutually matched clamping blocks 210 and a hydraulic module 220 for driving the clamping blocks 210 to open and close within a certain range, the pair of clamping blocks 210 are hinged together and connected to the connecting base 100 through a mounting seat, and the hydraulic module 220 receives hydraulic oil in a hydraulic oil cylinder and pushes the clamping blocks 210 which are originally opened to close. The hydraulic modules 220 on the two groups of hydraulic clamping heads are synchronously connected to the hydraulic oil cylinder, so that when the hydraulic oil cylinder outputs hydraulic oil, the four hydraulic modules 220 can be synchronously opened and closed, and the two groups of hydraulic clamping heads are synchronously opened or synchronously closed for clamping.

To achieve the cooperation with the traveling assembly 300, the clamping assembly 200 and the drill rod 500 can be moved synchronously under the driving of the traveling assembly 300, a second guide rail 120 can be further provided on the connection base 100, and a sliding groove, such as a dovetail groove, which is matched with the second guide rail 120 is also provided on the clamping assembly 200.

The engineering drilling device provided by the invention adopts a plurality of groups of hydraulic clamping heads driven by the same hydraulic oil cylinder to clamp the drill rod 500 at different positions on the drill rod 500, so that the drill rod 500 can be stably clamped, and the clamping parts can be synchronously opened and closed, thereby avoiding the problems of unstable clamping of the drill rod 500 and easy deviation in the construction process caused by the inconsistent work of clamping equipment at the clamping position of the drill rod 500, and improving the drilling operation quality.

Optionally, in a specific implementation manner of an embodiment of the present invention, at least two bearings 510 are provided on the drill rod 500; the hydraulic clamping head is provided with a pair of bearing mounting half grooves matched with the bearings 510. In order to ensure that drill rod 500 can be firmly clamped and that drill rod 500 can be smoothly driven to rotate by rotary assembly 400, at least two bearings 510 are provided on drill rod 500, each bearing 510 corresponding to each group of hydraulic clamping heads, and bearings 510 are fixedly connected to drill rod 500. By virtue of the bearing mounting half-grooves, when a pair of bearing mounting half-grooves are closed, the bearing 510 can be fully clamped, and the drill rod 500 can also be fully clamped.

Optionally, in a specific implementation manner of the embodiment of the present invention, the clamping assembly 200 further includes a control valve (not shown in the figure), at least one pair of oil pipes (not shown in the figure), and at least one pair of oil return pipes (not shown in the figure), the control valve is connected to the hydraulic oil cylinder, the control valve is respectively connected to the pair of oil pipes, and each oil pipe is connected to one group of hydraulic clamping heads; one end of the oil return pipe is connected with the hydraulic clamping head, and the other end of the oil return pipe is connected with the hydraulic oil cylinder. Corresponding to the hydraulic modules 220 described above, each oil delivery pipe is connected to two hydraulic modules 220 on the same group of hydraulic clamping heads, and simultaneously delivers hydraulic oil to the two hydraulic modules 220, so as to implement synchronous operation of the two hydraulic modules 220. And synchronous work of a plurality of hydraulic clamping heads can be realized.

The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; the present invention may be readily implemented by those of ordinary skill in the art as illustrated in the accompanying drawings and described above; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. An engineering drilling device is characterized by comprising a connecting seat, a clamping assembly, a traveling assembly, a rotating assembly and a drill rod;

2. The engineering driller of claim 1 wherein the drill pipe has at least two bearings; and the hydraulic clamping head is provided with a pair of bearing mounting half grooves matched with the bearings.

3. The engineering drilling device according to claim 1, wherein the clamping assembly further comprises a control valve, at least one pair of oil delivery pipes and at least one pair of oil return pipes, the control valve is connected with the hydraulic oil cylinder, the control valve is respectively connected with the pair of oil delivery pipes, and each oil delivery pipe is connected to one group of the hydraulic clamping heads; one end of the oil return pipe is connected with the hydraulic clamping head, and the other end of the oil return pipe is connected with the hydraulic oil cylinder.