CN108952568B

CN108952568B - Drilling machine

Info

Publication number: CN108952568B
Application number: CN201811108127.XA
Authority: CN
Inventors: 王小豪; 白范雄; 史久洲; 魏军法; 卢天日; 付贵勇; 李岩; 张晓东
Original assignee: Hebei Zhuangzhong Engineering Machinery Co ltd
Current assignee: Hebei Zhuangzhong Engineering Machinery Co ltd
Priority date: 2018-09-21
Filing date: 2018-09-21
Publication date: 2020-12-01
Anticipated expiration: 2038-09-21
Also published as: CN108952568A

Abstract

The invention discloses a drilling machine which comprises a chassis, wherein a movable arm and a suspension arm are arranged on the chassis, the movable arm is movably connected with the chassis, a mast is connected above the movable arm, the side part of the mast is connected with a power head, the power head is connected with a drill rod, the top of the suspension arm is wound with a first steel rope set and a second steel rope set, the front ends of the first steel rope set and the second steel rope set are connected onto the chassis, the rear end of the first steel rope set is hung at the top end of the drill rod, the first steel rope set is used for dragging the drill rod to move up and down, the rear end of the second steel rope set is connected with a grab bucket or/and a lifting appliance, and the second steel rope set is used for dragging the grab bucket and the lifting appliance to move up and down. The drilling machine provided by the invention can integrate the functions of drilling, grabbing and hoisting, has multiple functions, can reduce the requirement on the size of a construction site, can reduce the production cost and improves the production efficiency.

Description

Drilling machine

Technical Field

The invention relates to the field of engineering machinery, in particular to a drilling machine.

Background

In building construction, a foundation formed by piles arranged in rock soil and a bearing platform connected with a pile top together or a single-pile foundation formed by directly connecting a column and a pile is generally called a pile foundation, a construction process for organizing and implementing the pile foundation is called pile foundation engineering, and a rotary drilling rig is a commonly used construction tool in the pile foundation engineering. The rotary drilling rig is an engineering machine capable of drilling in soil layers such as sandy soil, cohesive soil, silty soil and the like, meanwhile, the maximum pore-forming diameter of the rotary drilling rig can reach 1.5-4 m, the maximum pore-forming depth is 60-90 m, and the requirements of various large-scale foundation constructions can be met, so that the rotary drilling rig is widely applied to the fields of municipal construction, highway bridges, industrial civil buildings, underground diaphragm walls, water conservancy, seepage-proof slope protection and the like.

In actual operation, for a construction site, operations such as grabbing and hoisting are often required besides drilling, and an existing rotary drilling rig can only achieve a single drilling function, so that other equipment such as a crawler crane and a grab bucket are also required to be arranged on the construction site, and the occupied spaces of the equipment are often large, so that the construction site is required to be large enough, and once the construction site is too small, the equipment cannot be used for construction or even cannot be driven; in addition, the introduction of a plurality of devices can greatly increase the production cost, and the production efficiency is greatly reduced by opening and closing the devices.

Disclosure of Invention

The technical problem to be solved by the invention is to provide the drilling machine, the drilling machine can integrate the functions of drilling, grabbing and hoisting through the structural design, is multifunctional, can reduce the requirement on the size of a construction site, can reduce the production cost and improves the production efficiency.

The utility model provides a drilling machine, includes the chassis, be provided with swing arm and davit on the chassis, the swing arm with chassis swing joint just swing arm top is connected with the mast, the mast lateral part is connected with the unit head, be connected with the drilling rod on the unit head, davit top is around being equipped with first wire rope group and second wire rope group, first wire rope group with second wire rope group front end is connected on the chassis, first wire rope group rear end is hung and is established the drilling rod top, first wire rope group is used for pulling about the drilling rod, second wire rope group rear end is connected with towards grab bucket or hoist, second wire rope group is used for pulling towards grab bucket with the hoist is from top to bottom.

Preferably, the grab bucket and the lifting appliance are detachably connected to the rear end of the second steel rope set.

Preferably, a pulley block is arranged at the top of the suspension arm, and the first steel rope group and the second steel rope group are wound on the pulley block.

Preferably, the chassis is connected with a rotating beam, and the rotating beam is connected with a full-revolving mechanism.

Preferably, the bottom of the movable arm is hinged with the chassis, and the top of the movable arm is hinged with the lower end of the mast.

Preferably, a first telescopic cylinder for driving the movable arm to pitch is hinged between the movable arm and the chassis, and the movable arm, the chassis and the first telescopic cylinder are arranged in a triangular shape; a second telescopic oil cylinder for driving the mast to pitch is hinged between the movable arm and the upper end of the mast, and the second telescopic oil cylinder, the movable arm and the mast are arranged in a triangular shape.

Preferably, an inverted V-shaped frame is arranged between the lower end of the first telescopic oil cylinder and the chassis, two support points at the lower end of the inverted V-shaped frame are hinged with the chassis, and the top point at the upper end of the inverted V-shaped frame is hinged with the lower end of the first telescopic oil cylinder.

Preferably, the unit head includes the unit head body, this internal guide hole that is used for that switches on from top to bottom that is provided with of unit head be used for the drilling rod interlude, unit head body top is provided with the clamping sleeve, the clamping sleeve be used for the clamp of drilling rod just the clamping sleeve can with the drilling rod rotates in step, unit head body below is provided with the pressurization hydro-cylinder, the pressurization hydro-cylinder is used for pressurization when the drilling rod creeps into.

The invention has the beneficial effects that: when the drilling machine provided by the invention works, a drill rod can be pulled to drill up and down through the first steel rope group, and the grab bucket or the lifting appliance can be replaced through the second steel rope group so as to grab and lift.

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

FIG. 1 is a schematic diagram of the overall structure of a drilling rig according to an embodiment of the present invention;

fig. 2 is an enlarged schematic view of a boom of the drilling machine disclosed in the embodiment of the invention.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.

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 application.

In the description of the present invention, it is to be understood that the terms "front end", "rear end", "side", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Referring to fig. 1 and 2, fig. 1 and 2 provide a concrete embodiment of a drilling machine of the present invention, wherein fig. 1 is a schematic overall structural view of the drilling machine disclosed by the embodiment of the present invention; fig. 2 is an enlarged schematic view of a boom of the drilling machine disclosed in the embodiment of the invention.

As shown in fig. 1 and 2, the present embodiment provides a drilling rig, which includes a chassis 1, a movable arm 2, a boom 3, a mast 4, a power head 5, a drill rod 6, a first cable set 7, a second cable set 8, a grab 9, and a spreader 10.

In the scheme, the chassis 1 is used for playing a role of integral support and providing power output for advancing and working of the drilling machine. Specifically, the chassis 1 may be a crawler-type chassis, thereby further improving the load capacity and the hoisting capacity.

The chassis 1 is provided with a movable arm 2 and a suspension arm 3, the movable arm 2 is movably connected with the chassis 1, a mast 4 is connected above the movable arm 2, the side part of the mast 4 is connected with a power head 5, and the power head 5 is connected with a drill rod 6. Specifically, the boom 3 is generally much higher than the boom 2, and the boom 2 is used to control the mast 4 to pitch and move up and down, thereby driving the power head 5 and the drill rod 6 to pitch and move up and down.

The top of the suspension arm 3 is wound with a first steel rope group 7 and a second steel rope group 8, the front ends of the first steel rope group 7 and the second steel rope group 8 are connected to the chassis 1, the rear end of the first steel rope group 7 is hung at the top end of the drill rod 6, and the first steel rope group 7 is used for drawing the drill rod 6 up and down. Specifically, because the stroke of the first steel wire rope group 7 can be generally set to be longer, the lower end of the first steel wire rope group 7 can be provided with an ultra-long drill rod, and the construction of an ultra-large and ultra-deep hole diameter hole is further realized.

The rear end of the second steel wire group 8 is detachably connected with a grab bucket 9 or/and a lifting appliance 10, and the second steel wire group 8 is used for drawing the grab bucket 9 or the lifting appliance 10 up and down. Specifically, the rear end of the second wire rope set 8 can be connected to the grab 9 and the lifting appliance 10 at the same time, or can be selectively connected between the grab 9 and the lifting appliance 10. In the embodiment, fig. 1 is provided with a grab 9 and a spreader 10.

In the scheme, the flushing grab bucket 9 is a flushing and digging mechanism arranged in a sleeve in hole drilling, and the flushing grab bucket 9 can finish flushing and digging operation by means of traction of the second steel wire group 8. During operation, the flushing grab bucket 9 freely falls along the inner wall of the sleeve, the falling speed is high, the impact force is strong, the hard stratum can be directly flushed and dug, and the operation efficiency is high. The bucket edge of the flushing grab bucket 9 can be set to be arc-shaped, and underwater flushing and digging can be conveniently realized by the aid of the weight of the flushing grab bucket 9.

When the drilling machine works specifically, the drilling machine provided by the scheme can pull the drill rod 6 to drill up and down through the first steel rope group 7, and the flushing grab bucket 9 or the lifting appliance 10 can be replaced through the second steel rope group 8, so that grabbing and lifting are performed, the drilling machine has multiple purposes, the requirement on the size of a construction site can be reduced, the production cost can be reduced, and the production efficiency is improved.

In this embodiment, in order to further facilitate the sliding of the first wire rope set 7 and the second wire rope set 8 and improve the traction capability of the equipment, preferably, a pulley block 11 is disposed on the top of the boom 3, and the first wire rope set 7 and the second wire rope set 8 are wound around the pulley block 11.

In this embodiment, in order to enable the drilling machine to perform full-rotation construction like a full-rotation drilling machine and further improve the multi-directional operation capability of the equipment, preferably, a rotating beam 12 is connected to the chassis 1, and a full-rotation mechanism 13 is connected to the rotating beam 12.

In this embodiment, for further making things convenient for power head 5 drive drilling rod 6 to bore, preferably, power head 5 includes the power head body, this internal guide hole that is used for of conducting from top to bottom that is provided with of power head 6 alternates, power head body top is provided with the clamping sleeve, the clamping sleeve is used for the clamp of drilling rod just the clamping sleeve can with the drilling rod synchronous rotation, power head body below is provided with the pressurization hydro-cylinder, the pressurization hydro-cylinder is used for pressurization during the drilling rod creeps into.

Specifically, the power head provided by the embodiment is ingenious and simple in design and convenient to install and maintain; meanwhile, the power head solves the problem that the original power head in the prior art cannot simultaneously meet the requirements of full geological drilling and shallow drilling depth; in addition, the power head has a certain righting effect on the drill rod.

In this embodiment, to further facilitate driving of the mast 4, preferably, the bottom of the boom 2 is hinged to the chassis 1, and the top of the boom 2 is hinged to the lower end of the mast 4.

In this embodiment, in order to further effectively improve the overall strength of the equipment and the stability and safety of the equipment, preferably, a first telescopic cylinder 14 for driving the movable arm to pitch is hinged between the movable arm 2 and the chassis 1, and the movable arm 2, the chassis 1 and the first telescopic cylinder 14 are arranged in a triangle; a second telescopic oil cylinder 15 for driving the mast 4 to pitch is hinged between the movable arm 2 and the upper end of the mast 4, and the second telescopic oil cylinder 15, the movable arm 2 and the mast 4 are arranged in a triangular shape.

Preferably, an inverted V-shaped frame 16 is arranged between the lower end of the first telescopic cylinder 14 and the chassis 1, two supporting points at the lower end of the inverted V-shaped frame 16 are hinged to the chassis 1, and the top point at the upper end of the inverted V-shaped frame 16 is hinged to the lower end of the first telescopic cylinder 14.

The above description provides a drill rig in detail. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. A drilling machine is characterized by comprising a chassis, wherein a movable arm and a suspension arm are arranged on the chassis, the movable arm is movably connected with the chassis, a mast is connected above the movable arm, the side part of the mast is connected with a power head, the power head is connected with a drill rod, the top of the suspension arm is wound with a first steel rope set and a second steel rope set, the front ends of the first steel rope set and the second steel rope set are connected onto the chassis, the rear end of the first steel rope set is hung at the top end of the drill rod, the first steel rope set is used for dragging the drill rod to move up and down, the rear end of the second steel rope set is connected with a grab bucket or/and a lifting appliance, and the second steel rope set is used for dragging the grab bucket and the lifting appliance to move up and down;

the chassis is connected with a rotating beam, and the rotating beam is connected with a full-swing mechanism;

a first telescopic oil cylinder for driving the movable arm to pitch is hinged between the movable arm and the chassis, and the movable arm, the chassis and the first telescopic oil cylinder are arranged in a triangular shape; a second telescopic oil cylinder for driving the mast to pitch is hinged between the movable arm and the upper end of the mast, and the second telescopic oil cylinder, the movable arm and the mast are arranged in a triangular shape.

2. The drilling rig according to claim 1, wherein the grab bucket and the spreader are detachably connected at the rear end of the second wire rope set.

3. The drilling rig according to claim 1, wherein a pulley block is provided at the top of the boom, the first set of steel cables and the second set of steel cables being wound around the pulley block.

4. The drilling rig of claim 1, wherein the boom bottom is hingedly connected to the chassis and the boom top is hingedly connected to the lower end of the mast.

5. The drilling machine according to claim 1, wherein an inverted V-shaped frame is arranged between the lower end of the first telescopic cylinder and the chassis, two support points at the lower end of the inverted V-shaped frame are hinged with the chassis, and the top point at the upper end of the inverted V-shaped frame is hinged with the lower end of the first telescopic cylinder.

6. The drilling machine according to claim 1, wherein the power head comprises a power head body, a guide hole which is communicated up and down and used for the penetration of the drill rod is formed in the power head body, a clamping sleeve is arranged above the power head body and used for clamping the drill rod, the clamping sleeve and the drill rod can rotate synchronously, and a pressurizing oil cylinder is arranged below the power head body and used for pressurizing the drill rod during drilling.