Drilling device for geotechnical engineering exploration

Abstract

The utility model discloses a drilling device for geotechnical engineering exploration, which comprises a top tray, the bottom of the top tray is fixedly connected with a support component and a protective cover, and a drilling component is arranged in the protective cover; and the drilling assembly comprises an electric hydraulic cylinder, a main motor, a drilling rod, a stabilizing groove, a stabilizing block, a left groove, a left moving piece, a left electric rod, a right groove, a right moving piece and a right electric rod, the top of the electric hydraulic cylinder is fixedly connected with the bottom of the top disc, and the bottom of the electric hydraulic cylinder is fixedly connected with the main motor. By arranging the drill rod, the stabilizing groove, the stabilizing block, the left groove, the left moving piece, the left electric rod, the right groove, the right moving piece and the right electric rod, in the drilling process, by moving the moving piece on the drill rod, the drill rod makes direct contact with a hole, so that the drill rod is stabilized, the stability of the drill rod is improved, and the head of the drill rod is prevented from being broken.

Description

Technical Field

[0001] The utility model relates to the technical field of geotechnical engineering exploration, in particular to a drilling device for geotechnical engineering exploration. Background Art

[0002] Geotechnical engineering investigation refers to the activities of identifying, analyzing, evaluating the geological, environmental characteristics and geotechnical conditions of the construction site and compiling investigation documents according to the requirements of the construction project, so it is necessary to drill holes in the rock and soil.

[0003] In existing geotechnical engineering drilling devices, the drilling depth required is relatively deep, and during the drilling process, the drill rod inevitably vibrates, causing the drill rod to easily break due to vibration when drilling hard rock and soil, especially the head of the drill rod, which is most likely to break. Utility Model Content

[0004] The utility model provides a drilling device for geotechnical engineering exploration. During the drilling process, a moving piece on the drill rod is moved to make the drill rod directly contact with the hole, thereby stabilizing the drill rod, improving the stability of the drill rod, and avoiding the breakage of the head of the drill rod.

[0005] To achieve the above object, a drilling device for geotechnical engineering exploration is provided, comprising: a top plate, a support assembly and a protective cover are fixedly connected to the bottom of the top plate, and a drilling assembly is arranged inside the protective cover;

[0006] The drilling assembly includes an electric hydraulic cylinder, a main motor, a drill rod, a stabilizing groove, a stabilizing block, a left groove, a left moving piece, a left electric rod, a right groove, a right moving piece and a right electric rod. The top of the electric hydraulic cylinder is fixedly connected to the bottom of the top plate, the bottom of the electric hydraulic cylinder is fixedly connected to the main motor, the bottom output end of the main motor is fixedly connected to the drill rod, a stabilizing groove is provided on the circumferential surface of the drill rod, a stabilizing block is provided inside the stabilizing groove, the stabilizing block is fixedly connected to the drill rod, a left groove and a right groove are provided on the circumferential surface of the stabilizing block, a left moving piece and a left electric rod are provided inside the left groove, the movable end of the left electric rod is fixedly connected to the left moving piece, the fixed end of the left electric rod is fixedly connected to the stabilizing block, the right moving piece and the right electric rod are provided inside the right groove, the movable end of the right electric rod is fixedly connected to the right moving piece, and the fixed end of the right electric rod is fixedly connected to the stabilizing block.

[0007] According to the drilling device for geotechnical engineering exploration, the support assembly includes a mounting plate, a rotating shaft, a hydraulic rod, a shock absorber, a fixing plate and a fixing hole. The top of the mounting plate is fixedly connected to the top plate. There are two mounting plates, which are symmetrically arranged. A rotating shaft is fixedly connected between the two mounting plates. A hydraulic rod is rotatably connected to the circumferential surface of the rotating shaft. A shock absorber is fixedly connected to the bottom movable end of the hydraulic rod. The bottom of the shock absorber is rotatably connected to a fixing plate. Fixing holes are provided through the top and bottom of the fixing plate.

[0008] According to the drilling device for geotechnical engineering exploration, the number of the stabilizing grooves is multiple and evenly distributed up and down on the drill rod.

[0009] According to the drilling device for geotechnical engineering exploration, the stabilizing block, the left groove, the left moving plate, the left electric rod, the right groove, the right moving plate and the right electric rod are provided in plural numbers and are located inside the stabilizing groove.

[0010] According to the drilling device for geotechnical engineering exploration, the left groove, the left moving plate, the right moving plate and the right groove are all spiral-shaped and are consistent with the spiral surface of the drill rod.

[0011] According to the drilling device for geotechnical engineering exploration, the number of the support assemblies is three and they are distributed in a ring shape outside the protective cover.

[0012] The beneficial effects of the utility model include: by arranging a drill rod, a stabilizing groove, a stabilizing block, a left groove, a left movable sheet, a left electric rod, a right groove, a right movable sheet and a right electric rod, during the drilling process, by moving the movable sheet on the drill rod, the drill rod is brought into direct contact with the hole, thereby stabilizing the drill rod, improving the stability of the drill rod and avoiding breakage of the head of the drill rod.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0015] Figure 1 This is a front view of a drilling device for geotechnical engineering exploration according to the utility model;

[0016] Figure 2 This is a structural diagram of a drilling assembly of a drilling device for geotechnical engineering exploration according to the utility model;

[0017] Figure 3 This is a cross-sectional view of a stabilizing block of a drilling device for geotechnical engineering exploration according to the utility model;

[0018] Figure 4 This is a structural diagram of a support assembly of a drilling device for geotechnical engineering exploration according to the utility model.

[0019] Legend:

[0020] 1. Top plate; 2. Support assembly; 3. Protective cover; 4. Drilling assembly;

[0021] 201, mounting plate; 202, rotating shaft; 203, hydraulic rod; 204, shock absorber; 205, fixing plate; 206, fixing hole;

[0022] 401, electric hydraulic cylinder; 402, main motor; 403, drill rod; 404, stabilizing slot; 405, stabilizing block; 406, left slot; 407, left moving plate; 408, left electric rod; 409, right slot; 410, right moving plate; 411, right electric rod. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0024] Reference Figure 1-4 The utility model embodiment is a drilling device for geotechnical engineering exploration, which includes: a top plate 1, the bottom of the top plate 1 is fixedly connected with a support component 2 and a protective cover 3, and the protective cover 3 is provided with a drilling component 4 inside.

[0025] The drilling assembly 4 includes an electric hydraulic cylinder 401, a main motor 402, a drill rod 403, a stabilizing groove 404, a stabilizing block 405, a left groove 406, a left moving piece 407, a left electric rod 408, a right groove 409, a right moving piece 410 and a right electric rod 411. The top of the electric hydraulic cylinder 401 is fixedly connected to the bottom of the top plate 1, the bottom of the electric hydraulic cylinder 401 is fixedly connected to the main motor 402, the bottom output end of the main motor 402 is fixedly connected to the drill rod 403, and a stabilizing groove 404 is arranged on the circumferential surface of the drill rod 403. The number of stabilizing grooves 404 is arranged in plurality and is evenly distributed on the drill rod 403 from top to bottom. A stabilizing block 405 is arranged inside the stabilizing groove 404, and the stabilizing block 405 is fixedly connected to the drill rod 403. The circumferential surface of the stabilizing block 405 is arranged with a left groove 406 and a right groove 409, the left moving piece 407 and a left electric rod 408 are arranged inside the left groove 406, and the left electric rod The movable end of 408 is fixedly connected to the left moving piece 407, the fixed end of the left electric rod 408 is fixedly connected to the stabilizing block 405, the right groove 409 is provided with a right moving piece 410 and a right electric rod 411, the movable end of the right electric rod 411 is fixedly connected to the right moving piece 410, the fixed end of the right electric rod 411 is fixedly connected to the stabilizing block 405, the stabilizing block 405, the left groove 406, the left moving piece 407, the left electric rod 408, the right groove 409, the right moving piece 410 and the right electric rod 411 are all provided in plurality and are located inside the stabilizing groove 404, a micro power supply is provided inside the stabilizing groove 404 to ensure the normal operation of the left electric rod 408 and the right electric rod 411, the left groove 406, the left moving piece 407, the right moving piece 410 and the right groove 409 are all spirally shaped and are consistent with the spiral surface of the drill rod 403, so that the drill rod 403 can be more smoothly during the drilling process.

[0026] The support assembly 2 includes a mounting plate 201, a rotating shaft 202, a hydraulic rod 203, a shock absorber 204, a fixing plate 205 and a fixing hole 206. The top of the mounting plate 201 is fixedly connected to the top plate 1. There are two mounting plates 201, which are symmetrically arranged. The rotating shaft 202 is fixedly connected between the two mounting plates 201. The hydraulic rod 203 is rotatably connected to the circumferential surface of the rotating shaft 202. The bottom movable end of the hydraulic rod 203 is fixedly connected to the shock absorber 204 for shock absorbing the device during the drilling process. The bottom of the shock absorber 204 is rotatably connected to the fixing plate 205. The fixing hole 206 is penetrated through the top and bottom of the fixing plate 205. There are three support assemblies 2, which are distributed in a ring on the outside of the protective cover 3.

[0027] Working principle: open the support assembly 2 and fix the fixing plate 205 on the ground, keep the drill rod 403 vertical to the ground, start the electric hydraulic cylinder 401 and the main motor 402, and the drill rod 403 starts working and drills downward. During the drilling process, the left electric rod 408 and the right electric rod 411 are opened from bottom to top respectively, pushing the left moving piece 407 and the right moving piece 410 to expand outward, so that the drill rod 403 is in direct contact with the rock hole, thereby stabilizing the head and the lowest part of the drill rod 403, thereby avoiding the drill bit and the lower end of the drill rod 403 from breaking.

[0028] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A drilling device for geotechnical engineering exploration, characterized in that: include: A top plate (1), the bottom of the top plate (1) being fixedly connected to a support assembly (2) and a protective cover (3), and a drilling assembly (4) being arranged inside the protective cover (3); The drilling assembly (4) comprises an electric hydraulic cylinder (401), a main motor (402), a drill rod (403), a stabilizing groove (404), a stabilizing block (405), a left groove (406), a left moving plate (407), a left electric rod (408), a right groove (409), a right moving plate (410) and a right electric rod (411); the top of the electric hydraulic cylinder (401) is fixedly connected to the bottom of the top plate (1); the bottom of the electric hydraulic cylinder (401) is fixedly connected to the main motor (402); the bottom output end of the main motor (402) is fixedly connected to the drill rod (403); the stabilizing groove (404) is arranged on the circumferential surface of the drill rod (403); the stabilizing block (405) is arranged inside the stabilizing groove (404); 5), the stabilizing block (405) is fixedly connected to the drill rod (403), a left groove (406) and a right groove (409) are arranged on the circumferential surface of the stabilizing block (405), a left movable plate (407) and a left electric rod (408) are arranged inside the left groove (406), a movable end of the left electric rod (408) is fixedly connected to the left movable plate (407), a fixed end of the left electric rod (408) is fixedly connected to the stabilizing block (405), a right movable plate (410) and a right electric rod (411) are arranged inside the right groove (409), a movable end of the right electric rod (411) is fixedly connected to the right movable plate (410), and a fixed end of the right electric rod (411) is fixedly connected to the stabilizing block (405).

2. A drilling device for geotechnical engineering exploration according to claim 1, characterized in that: The support assembly (2) comprises a mounting plate (201), a rotating shaft (202), a hydraulic rod (203), a shock absorber (204), a fixing plate (205) and a fixing hole (206); the top of the mounting plate (201) is fixedly connected to the top plate (1); two mounting plates (201) are provided and are symmetrically arranged; a rotating shaft (202) is fixedly connected between the two mounting plates (201); a hydraulic rod (203) is rotatably connected to the circumferential surface of the rotating shaft (202); a bottom movable end of the hydraulic rod (203) is fixedly connected to the shock absorber (204); a bottom of the shock absorber (204) is rotatably connected to the fixing plate (205); and a fixing hole (206) is provided through the top and bottom of the fixing plate (205).

3. A drilling device for geotechnical engineering exploration according to claim 1, characterized in that: The number of the stabilizing grooves (404) is multiple and evenly distributed up and down on the drill rod (403).

4. A drilling device for geotechnical engineering exploration according to claim 1, characterized in that: The stabilizing block (405), the left slot (406), the left moving plate (407), the left electric rod (408), the right slot (409), the right moving plate (410) and the right electric rod (411) are all provided in plurality and are located inside the stabilizing slot (404).

5. A drilling device for geotechnical engineering exploration according to claim 4, characterized in that: The left groove (406), the left moving plate (407), the right moving plate (410) and the right groove (409) are all spiral-shaped and are consistent with the spiral surface of the drill rod (403).

6. A drilling device for geotechnical engineering exploration according to claim 2, characterized in that: The number of the support components (2) is three and they are distributed in an annular manner on the outside of the protective cover (3).

Images