CN219412460U

CN219412460U - Low headroom pylon and flexible drilling rod integrated device

Info

Publication number: CN219412460U
Application number: CN202320088612.5U
Authority: CN
Inventors: 魏领先; 杨平; 黎兴望; 袁华崧; 张婷; 王金建; 冯枭峰; 王加辉; 祁建
Original assignee: Nanjing Forestry University; China Railway Erju 5th Engineering Co Ltd
Current assignee: Nanjing Forestry University; China Railway Erju 5th Engineering Co Ltd
Priority date: 2023-01-31
Filing date: 2023-01-31
Publication date: 2023-07-25
Anticipated expiration: 2033-01-31

Abstract

The utility model discloses a low-clearance tower and telescopic drill rod integrated device which comprises symmetrically arranged hydraulic lifting frames, wherein the output end of each hydraulic lifting frame is connected with a moving part, one side of each moving part is provided with a hydraulic driving device for controlling the hydraulic lifting frame, the base bodies of the two hydraulic lifting frames are connected through a connecting frame, the top of the connecting frame is provided with a driving assembly, the output end of the driving assembly is connected with a driving shaft, and a drill bit is arranged below the driving shaft. According to the drilling machine, the hydraulic lifting frame moves to a drilling position, the driving assembly drives the driving shaft, torque is transmitted through the extension rod to drive the drill bit to rotate, meanwhile, the hydraulic lifting frame descends, the drill bit descends to drill, when the hydraulic lifting frame descends to the lowest, the uppermost extension rod is separated from the driving shaft, the hydraulic lifting frame ascends, the extension rod is added, the hydraulic lifting frame is fixed by the pin shaft again, the hydraulic lifting frame descends again to drill, and the drilling task can be completed.

Description

Low headroom pylon and flexible drilling rod integrated device

Technical Field

The utility model relates to the technical field of drilling construction, in particular to a low-clearance tower and telescopic drill rod integrated device.

Background

With the increasing utilization and development of urban space in China, a foundation pit of a partial area is positioned below an urban viaduct, a large drilling machine cannot enter the field, the current drilling technology needs a plurality of sections of drill rods to be connected under the limitation of space to drill to a designed depth, and a low-clearance tower and telescopic drill rod integrated device is needed. In the sectional drilling process, the installation convenience of the drill rod directly influences the time of drilling and the construction efficiency, so that the problem of low drilling efficiency under low clearance is solved, and the low clearance tower and telescopic drill rod integrated device is required to be researched so as to reduce the construction period required by drilling work.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a low-clearance tower and telescopic drill rod integrated device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a low headroom pylon and flexible drilling rod integrated device, includes the hydraulic lifting frame that the symmetry set up, and hydraulic lifting frame's output is connected with moving part, and one side of moving part is equipped with the hydraulic drive device of control hydraulic lifting frame, two hydraulic lifting frame's pedestal passes through the link to each other, and drive assembly is installed at the top of link, and drive assembly's output is connected with the drive shaft, and the below of drive shaft is equipped with the drill bit, can dismantle between drill bit and the drive shaft and be connected with length adjustable extension subassembly.

Preferably, the extension assembly comprises an extension rod, the end parts of the extension rod, the drill bit and the driving shaft are all connected with a connecting block, a pin hole is formed in the connecting block, a pin shaft is inserted in the pin hole, and the pin shafts are arranged in pairs.

Preferably, the end part of the extension rod is in threaded sleeve joint with a sealing sleeve, and the sealing sleeve is covered at the joint gap between the extension rod and the body, the drill bit and the driving shaft.

Preferably, the bottom of the hydraulic driving device is connected with a moving part, and the hydraulic driving device and the hydraulic lifting frame synchronously move.

Preferably, the driving assembly is connected with the connecting frame through a position fine adjustment assembly, and the position fine adjustment assembly can carry out movement adjustment on the position of the driving assembly in the horizontal plane along the transverse direction and the longitudinal direction.

Compared with the prior art, the utility model has the beneficial effects that: according to the drilling machine, the hydraulic lifting frame moves to a drilling position, the driving assembly drives the driving shaft, torque is transmitted through the extension rod to drive the drill bit to rotate, meanwhile, the hydraulic lifting frame descends, the drill bit descends to drill, when the hydraulic lifting frame descends to the lowest, the uppermost extension rod is separated from the driving shaft, the hydraulic lifting frame ascends, the extension rod is added, the hydraulic lifting frame is fixed by the pin shaft again, the hydraulic lifting frame descends again to drill, and the drilling task can be completed.

Drawings

In order to more particularly and intuitively illustrate an embodiment of the present utility model or a technical solution in the prior art, a brief description of the drawings is provided below, which are required to be used in the description of the embodiment or the prior art.

FIG. 1 is a schematic diagram of a structure according to the present utility model;

fig. 2 is an enlarged view of the part a of fig. 1.

In the figure: the hydraulic lifting frame 1, the hydraulic driving device 2, the moving part 3, the connecting frame 4, the driving assembly 5, the driving shaft 6, the extension rod 7, the drill bit 8, the sealing sleeve 9, the connecting block 10 and the pin 11.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-2, a low headroom pylon and flexible drilling rod integrated device, including the hydraulic lifting frame 1 that the symmetry set up, the output of hydraulic lifting frame 1 is connected with movable part 3, one side of movable part 3 is equipped with the hydraulic drive device 2 of control hydraulic lifting frame 1, the pedestal of two hydraulic lifting frames 1 links to each other through link 4, drive assembly 5 is installed at the top of link 4, drive assembly 5's output is connected with drive shaft 6, the below of drive shaft 6 is equipped with drill bit 8, can dismantle between drill bit 8 and the drive shaft 6 and be connected with length adjustable extension subassembly.

In this embodiment, the extension subassembly includes extension pole 7, and extension pole 7, drill bit 8 and drive shaft 6's tip all is connected with connecting block 10, is equipped with the pinhole on the connecting block 10, peg graft in the pinhole and have round pin axle 11, and round pin axle 11 is two to set up, increases the degree of depth of drill bit 8 drilling through increasing the quantity of extension pole 7, realizes quick installation connection through round pin axle 11 between extension pole 7, drill bit 8 and the drive shaft 6.

Limited by overhead bridge clearance, the drill rod needs to be drilled in sections, so that the drill rod can be lengthened, the drilling machine is modified, the height of the modified drilling machine is 3.2m, and the length of a single drill rod is 1.5m.

In this embodiment, the seal cover 9 has been cup jointed to the tip screw thread of extension pole 7, and seal cover 9 cover establish in extension pole 7 and its body, drill bit 8 and drive shaft 6 junction gap department, prevent that silt from getting into the gap gathering, difficult clean.

In this embodiment, a moving member is connected to the bottom of the hydraulic driving device 2, the hydraulic driving device 2 and the hydraulic lifting frame 1 move synchronously, the driving assembly 5 is connected to the connecting frame 4 through a position fine adjustment assembly, the position of the driving assembly 5 can be adjusted in a horizontal plane in a moving manner along the transverse direction and the longitudinal direction, and when the long rod 7 is attached, if the pin 11 cannot be aligned and installed, the position of the driving shaft 6 can be adjusted in a fine adjustment manner, so that the alignment and the installation can be performed.

In the scheme, the hydraulic lifting frame 1 moves to a punching position, the driving assembly 5 drives the driving shaft 6, torque is transmitted through the extension rod 7, the drill bit 8 is driven to rotate, meanwhile, the hydraulic lifting frame 1 descends, the drill bit 8 descends to drill holes, when the hydraulic lifting frame 1 descends to the lowest, the uppermost extension rod 7 is separated from the driving shaft 6, the hydraulic lifting frame 1 ascends, the extension rod 7 is additionally arranged, the hydraulic lifting frame 1 is fixed by the pin shaft 11 again, the hydraulic lifting frame 1 descends again to drill holes, and the drilling task can be completed through circulation.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a low headroom pylon and flexible drilling rod integrated device, includes hydraulic lifting frame (1) that the symmetry set up, and the output of hydraulic lifting frame (1) is connected with moving part (3), and one side of moving part (3) is equipped with hydraulic drive (2) of control hydraulic lifting frame (1), its characterized in that, two the pedestal of hydraulic lifting frame (1) links to each other through link (4), and drive assembly (5) are installed at the top of link (4), and the output of drive assembly (5) is connected with drive shaft (6), and the below of drive shaft (6) is equipped with drill bit (8), can dismantle between drill bit (8) and drive shaft (6) and be connected with length adjustable extension subassembly.

2. The integrated device of the low clearance tower and the telescopic drill rod according to claim 1, wherein the extension assembly comprises an extension rod (7), connecting blocks (10) are connected to the ends of the extension rod (7), a drill bit (8) and a driving shaft (6), pin holes are formed in the connecting blocks (10), pin shafts (11) are inserted into the pin holes in an inserting mode, and the pin shafts (11) are arranged in a double mode.

3. The integrated device of the low clearance tower and the telescopic drill rod according to claim 2, wherein a sealing sleeve (9) is sleeved at the end part of the extension rod (7) in a threaded manner, and the sealing sleeve (9) is covered at a joint gap between the extension rod (7) and a body, a drill bit (8) and a driving shaft (6) of the extension rod.

4. A low headroom tower and telescopic drill rod integrated device according to claim 3, characterized in that the bottom of the hydraulic driving device (2) is connected with a moving member, and the hydraulic driving device (2) moves synchronously with the hydraulic lifting frame (1).

5. The integrated low clearance tower and telescopic drill pipe device according to claim 4, wherein the driving assembly (5) is connected to the connecting frame (4) through a position fine adjustment assembly, and the position fine adjustment assembly can carry out movement adjustment on the position of the driving assembly (5) in the horizontal plane along the transverse direction and the longitudinal direction.