阅读说明：本技术 一种实现环形截面切削的双轴钻机 (Double-shaft drilling machine for realizing cutting of annular section ) 是由 姜志广 于 2020-08-12 设计创作，主要内容包括：本发明提供了一种实现环形截面切削的双轴钻机,具有两根旋转主轴,能够同时驱动二根旋转轴同步旋转,带动专用的环形切削钻头沿老旧管道外壁前进并切削管道外壁四周的泥土,从而将老旧管道和周边泥土剥离；为实现钻杆的卸扣更换和连接,本发明的双轴钻机采用了双轴联动夹持器,实现双轴同步夹持功能和双轴同步翻转功能,在翻转油缸的作用下通过连杆装置实现二根钻杆的同步卸扣,使双轴钻机的正常运行成为可能。(The invention provides a double-shaft drilling machine for realizing cutting of an annular section, which is provided with two rotating main shafts, can simultaneously drive two rotating shafts to synchronously rotate, and drives a special annular cutting drill bit to advance along the outer wall of an old pipeline and cut soil on the periphery of the outer wall of the pipeline, so that the old pipeline and the peripheral soil are stripped; in order to realize shackle replacement and connection of the drill rods, the double-shaft drilling machine adopts the double-shaft linkage clamp holder to realize the double-shaft synchronous clamping function and the double-shaft synchronous overturning function, and realizes synchronous shackle of two drill rods through the connecting rod device under the action of the overturning oil cylinder, so that the normal operation of the double-shaft drilling machine becomes possible.)

1. The utility model provides a realize biax rig of annular cross section cutting which characterized in that: the power head is provided with at least 2 rotary main shafts, and can drive an annular cutting drill bit to cut an annular section hole along the outer wall of the waste pipeline, so that the old pipeline and peripheral soil are stripped.

2. A twin-shaft drill for cutting circular cross-sections according to claim 1, wherein: the double-shaft transfer power head is arranged on the girder of the drilling machine, a transfer case, a rotary motor, a first rotary main shaft and a second rotary main shaft which are used for connecting a drill rod are arranged on the double-shaft transfer power head, and the rotary motor drives the first rotary main shaft and the second rotary main shaft to synchronously rotate through a transmission mechanism in the transfer case;

the double-shaft linkage clamp is arranged at the front end of a crossbeam of the drilling machine, and a first clamping sleeve, a second clamping sleeve, a first shackle sleeve and a second shackle sleeve are arranged on the double-shaft linkage clamp; clamping blocks for clamping the drill rod are embedded in the first clamping sleeve, the second clamping sleeve, the first shackle sleeve and the second shackle sleeve; the first clamping sleeve, the first shackle sleeve and the first rotating main shaft are coaxial, and the second clamping sleeve, the second shackle sleeve and the second rotating main shaft are coaxial.

3. A twin-shaft drill for cutting circular cross-sections according to claim 2, wherein: and the double-shaft linkage clamp holder is provided with a turnover oil cylinder for driving the first shackle sleeve and the second shackle sleeve to rotate.

4. A twin-shaft drill for cutting circular cross-sections according to claim 2, wherein: and a telescopic oil cylinder for driving the double-shaft linkage clamp to move back and forth is arranged at the front end of the girder of the drilling machine.

Technical Field

The invention relates to the technical field of trenchless construction, in particular to a double-shaft drilling machine for realizing cutting of an annular section.

Background

At present, the known traditional drilling machines only have one shaft and can only drill a single circular hole, the replacement of waste pipelines cannot be realized through the traditional single-shaft drilling machine, and only new pipes can be embedded or the new pipes can be folded and lined in the old pipes, so that the engineering quantity is large, the investment is high, the existing infrastructure is damaged, large-area traffic jam is easily caused, and the pollution is caused by the normal work and life of serious residents and the damage to the environment; the method has the advantages that a new pipe is folded and lined in an old pipe, so that the flow area of the pipeline is reduced, the requirement of urban development cannot be met, the construction is difficult due to structural damage of the old pipe, and the lining repair of hard pipes such as steel pipes and corrugated pipes cannot be realized; the extrusion and vibration of the new pipe laid after the pipe is cracked when the old pipe is crushed can cause public harm to buildings around the city, crude oil slurry and other waste dirt in the cracked old pipe and the pipeline remain in soil to pollute the earth surface, and part of substances which are not easy to degrade can influence plant growth and ecological environment.

Disclosure of Invention

The invention aims to provide a double-shaft drilling machine for realizing cutting of an annular section, which provides technical support for replacement of urban waste pipelines, is used for driving an annular cutting drill bit, and can cut an annular section hole along the outer wall of the waste pipeline instead of a circular hole of a traditional single-shaft drilling machine; the method provides possibility for dragging out the waste pipeline and replacing a new pipeline under the conditions of not damaging the waste pipeline to be replaced, preventing environmental pollution and damaging soil.

The invention is realized by adopting the following technical scheme:

the utility model provides a realize biax rig of annular cross section cutting which characterized in that: the power head is provided with at least 2 rotary main shafts, and can drive an annular cutting drill bit to cut an annular section hole along the outer wall of the waste pipeline, so that the old pipeline and peripheral soil are stripped.

The double-shaft drilling machine for realizing cutting of the annular section comprises a drilling machine chassis, a drilling machine crossbeam, a double-shaft transfer power head and a double-shaft linkage clamp holder;

the drilling machine chassis is provided with a control platform, a drilling machine power station and a slurry pump;

the drilling machine girder is arranged on the drilling machine chassis, and a rack rail is arranged on the drilling machine girder;

the double-shaft transfer power head is arranged on a rack rail of a girder of the drilling machine, a transfer case, a rotary motor and a first rotary main shaft and a second rotary main shaft which are used for connecting a drill rod are arranged on the double-shaft transfer power head, and the rotary motor drives the first rotary main shaft and the second rotary main shaft to synchronously rotate through a transmission mechanism in the transfer case;

the double-shaft linkage clamp is arranged at the front end of a crossbeam of the drilling machine, and a first clamping sleeve, a second clamping sleeve, a first shackle sleeve and a second shackle sleeve are arranged on the double-shaft linkage clamp; clamping blocks for clamping the drill rod are embedded in the first clamping sleeve, the second clamping sleeve, the first shackle sleeve and the second shackle sleeve; the first clamping sleeve, the first shackle sleeve and the first rotating main shaft are coaxial, and the second clamping sleeve, the second shackle sleeve and the second rotating main shaft are coaxial.

And the double-shaft linkage clamp holder is provided with a turnover oil cylinder for driving the first shackle sleeve and the second shackle sleeve to rotate.

Preferably, the front end of the girder of the drilling machine is provided with a telescopic oil cylinder for driving the double-shaft linkage clamp to move back and forth.

Preferably, the drilling machine chassis is a self-propelled chassis and is provided with a travelling mechanism.

The invention discloses a double-shaft drilling machine capable of cutting an annular section, which has the following principle:

the first rotating main shaft and the second rotating main shaft of the double-shaft transfer power head can be connected with two groups of drill rods at the same time and push the two groups of drill rods to rotate at the same time; when the biax transfer unit head impels to the biggest stroke, need break off two sets of good drilling rods of being connected to connect new drilling rod for the length of two sets of drilling rods of extension, need control flexible hydro-cylinder adjustment earlier this moment the position around the biax linkage holder for the linkage point of drilling rod is in the position between centre gripping sleeve pipe and the break out sleeve pipe, control the clamp splice on first centre gripping sleeve pipe, second centre gripping sleeve pipe, first break out sleeve pipe and the second break out sleeve pipe presss from both sides tight drilling rod, then utilizes the first break out sleeve pipe of upset hydro-cylinder drive and the rotation of second break out sleeve pipe, drives the drilling rod rotation of its centre gripping, makes the turnbuckle of drilling rod linkage point loosen, can accomplish the operation of breaking out of two sets of drilling rods in step, connects new drilling rod.

The beneficial technical effects of the invention are as follows:

the invention provides a double-shaft drilling machine for realizing cutting of an annular section, which is provided with two rotating main shafts, can simultaneously drive two rotating shafts to synchronously rotate, and drives a special annular cutting drill bit to advance along the outer wall of an old pipeline and cut soil on the periphery of the outer wall of the pipeline, so that the old pipeline and the peripheral soil are stripped; in order to realize the shackle replacement and connection of the drill rods, the double-shaft drilling machine adopts the double-shaft linkage clamp holder to realize the double-shaft synchronous clamping function and the double-shaft synchronous overturning function, and realizes the synchronous shackle and connection of two drill rods through the connecting rod device under the action of the overturning oil cylinder, so that the normal operation of the double-shaft drilling machine becomes possible.

Drawings

FIG. 1 is a schematic structural view of a dual-axis drilling rig of the present invention;

FIG. 2 is a schematic structural view of the dual-shaft transfer power head of the present invention;

FIG. 3 is a schematic structural view of the dual axis linkage clamp of the present invention;

fig. 4 is a view of the double-shaft interlocking clamp of the present invention in the direction a.

In the figure: 1. the drilling machine comprises a drilling machine chassis, 1.1, a control platform, 1.2 a drilling machine power station, 1.3, a slurry pump, 2, a drilling machine girder, 2.1, a toothed rail, 3, a double-shaft transfer power head, 3.1, a transfer case, 3.2, a rotary motor, 3.3, a first rotary main shaft, 3.4, a second rotary main shaft, 4, a double-shaft linkage clamp holder, 4.1, a first clamping sleeve, 4.2, a second clamping sleeve, 4.3, a first shackle sleeve, 4.4, a second shackle sleeve, 4.5, a turnover oil cylinder, 5 and a telescopic oil cylinder.

Detailed Description

The invention will be better understood by the following description of embodiments thereof, but the applicant's specific embodiments are not intended to limit the invention to the particular embodiments shown, and any changes in the definition of parts or features and/or in the overall structure, not essential changes, are intended to define the scope of the invention.

The embodiment provides a double-shaft drilling machine for realizing cutting of an annular section, which has a structure shown in the figure and comprises a drilling machine chassis 1, a drilling machine crossbeam 2, a double-shaft transfer power head 3 and a double-shaft linkage clamp holder 4;

the drilling machine chassis 1 is provided with a control platform 1.1, a drilling machine power station 1.2 and a slurry pump 1.3;

the drilling machine girder 2 is arranged on the drilling machine chassis 1, and a rack 2.1 is arranged on the drilling machine girder 2;

the double-shaft transfer power head 3 is arranged on a rack 2.1 of a girder 2 of the drilling machine, the double-shaft transfer power head 3 is provided with a transfer case 3.1, a rotary motor 3.2, a first rotary main shaft 3.3 and a second rotary main shaft 3.4 which are used for connecting a drill rod, and the rotary motor 3.2 drives the first rotary main shaft 3.3 and the second rotary main shaft 3.4 to synchronously rotate through a transmission mechanism in the transfer case 3.1;

the double-shaft linkage clamp holder 4 is arranged at the front end of a girder 2 of the drilling machine, and a first clamping sleeve 4.1, a second clamping sleeve 4.2, a first shackle sleeve 4.3 and a second shackle sleeve 4.4 are arranged on the double-shaft linkage clamp holder 4; clamping blocks for clamping the drill rod are embedded in the first clamping sleeve 4.1, the second clamping sleeve 4.2, the first shackle sleeve 4.3 and the second shackle sleeve 4.4; the first clamping sleeve 4.1, the first shackle sleeve 4.3 and the first rotating spindle 3.3 are coaxial, and the second clamping sleeve 4.2, the second shackle sleeve 4.4 and the second rotating spindle 3.4 are coaxial.

And the double-shaft linkage clamp holder 4 is provided with a turnover oil cylinder 4.5 for driving the first shackle sleeve 4.3 and the second shackle sleeve 4.4 to rotate.

And a telescopic oil cylinder 5 for driving the double-shaft linkage clamp 4 to move back and forth is arranged at the front end of the girder 2 of the drilling machine.

The invention discloses a double-shaft drilling machine capable of cutting an annular section, which has the following principle:

the first rotating main shaft and the second rotating main shaft of the double-shaft transfer power head can be connected with two groups of drill rods at the same time and push the two groups of drill rods to rotate at the same time; when the biax transfer unit head impels to the biggest stroke, need break off two sets of good drilling rods of being connected to connect new drilling rod for the length of two sets of drilling rods of extension, need control flexible hydro-cylinder adjustment earlier this moment the position around the biax linkage holder for the linkage point of drilling rod is in the position between centre gripping sleeve pipe and the break out sleeve pipe, control the clamp splice on first centre gripping sleeve pipe, second centre gripping sleeve pipe, first break out sleeve pipe and the second break out sleeve pipe presss from both sides tight drilling rod, then utilizes the first break out sleeve pipe of upset hydro-cylinder drive and the rotation of second break out sleeve pipe, drives the drilling rod rotation of its centre gripping, makes the turnbuckle of drilling rod linkage point loosen, can accomplish the operation of breaking out of two sets of drilling rods in step, connects new drilling rod.

The beneficial technical effects of the invention are as follows:

the invention provides a double-shaft drilling machine for realizing cutting of an annular section, which is provided with two rotating main shafts, can simultaneously drive two rotating shafts to synchronously rotate, and drives a special annular cutting drill bit to advance along the outer wall of an old pipeline and cut soil on the periphery of the outer wall of the pipeline, so that the old pipeline and the peripheral soil are stripped; in order to realize shackle replacement and connection of the drill rods, the double-shaft drilling machine adopts the double-shaft linkage clamp holder to realize the double-shaft synchronous clamping function and the double-shaft synchronous overturning function, and realizes synchronous shackle of two drill rods through the connecting rod device under the action of the overturning oil cylinder, so that the normal operation of the double-shaft drilling machine becomes possible.

The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it is therefore intended that all such changes and modifications as fall within the true spirit and scope of the invention be considered as within the following claims.