WO2018112678A1 - 一种护筒扭矩放大器 - Google Patents

一种护筒扭矩放大器 Download PDF

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Publication number
WO2018112678A1
WO2018112678A1 PCT/CN2016/000704 CN2016000704W WO2018112678A1 WO 2018112678 A1 WO2018112678 A1 WO 2018112678A1 CN 2016000704 W CN2016000704 W CN 2016000704W WO 2018112678 A1 WO2018112678 A1 WO 2018112678A1
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Prior art keywords
casing
power head
pinion
inner sleeve
torque amplifier
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PCT/CN2016/000704
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English (en)
French (fr)
Inventor
杨一男
杨旭
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杨一男
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Priority to PCT/CN2016/000704 priority Critical patent/WO2018112678A1/zh
Publication of WO2018112678A1 publication Critical patent/WO2018112678A1/zh

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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B3/00—Rotary drilling
    • E21B3/02—Surface drives for rotary drilling
    • E21B3/025—Surface drives for rotary drilling with a to-and-fro rotation of the tool
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes

Definitions

  • the present invention relates to a rotary drilling rig power head with a casing torque increasing device, and more particularly to a casing torque amplifier.
  • pile foundation construction There are backfill layer, sand layer, soft and hard rock layer, waste foundation, etc. in the hole-forming layer of pile foundation.
  • the equipment used in pile foundation construction mainly adopts rotary drilling rig.
  • the problem is that when the casing is needed, the casing is generally installed on the inner sleeve of the power head or the bottom pressure plate.
  • the rotation speed and torque of the casing and the drill pipe are the same, the torque of the casing is small, the rotation speed is fast, and the deep hole cannot be completed. Full casing operation.
  • the present invention is to solve the above problems in the prior art, and to provide a casing torque amplifier.
  • the torque of the casing is greatly increased, and the rotation speed of the casing is reduced.
  • the invention relates to a casing torque amplifier, characterized in that: the upper connecting plate is connected to the power head box body, the upper connecting plate is connected with the planetary pinion connecting ring, the planetary pinion is fixed on the planetary pinion connecting ring, the planetary pinion
  • the bearing and the planet gear are mounted on the upper side
  • the planetary tooth is used together with the external pinion or the tooth and the internal pinion or the tooth
  • the external pinion or the tooth is mounted on the outer sleeve
  • the casing connecting plate and the lower pressing plate of the amplifier are arranged under the outer sleeve
  • the slewing bearing is installed in the sleeve, the outer sleeve is connected with the inner sleeve through the slewing bearing, the inner pinion or the tooth is mounted on the inner sleeve or the drill rod, the lower sleeve of the power head is mounted on the inner sleeve, and the power head is mounted on the lower pressure plate
  • the use of the casing torque amplifier greatly increases the torque and speed of the casing, and can be used as a rotary drilling rig for the deep hole operation. Can be used with the casing clamp to achieve a full casing full rotary drilling rig The use of the casing torque amplifier can be removed without affecting the normal use of the rig. Speed up construction and reduce construction costs.
  • Figure 1 is a schematic structural view of the present invention
  • Figure 2 is a plan view of Figure 1;
  • Figure 3 is a schematic view of the installation of the power head
  • Figure 4 is a schematic view of the cooperation with the drill pipe
  • casing torque amplifier 1 upper connecting plate 2, planetary pinion connecting ring 3, planetary pinion 4, external pinion or tooth 5, planetary tooth 6, outer sleeve 7, casing connecting plate 8, limit 9, internal gear shaft or tooth 10, inner sleeve 11, slewing bearing 12, power head inner sleeve 13, casing 14, bearing 15, power head lower pressure plate 16, card shaft or card plate 17, amplifier lower pressure plate 18,
  • the inner connecting ring 19 the drill pipe 20, the power head housing 21, the power head 22, the gear lock device gear 23, and the square head 24.
  • the upper connecting plate 2 is connected to the power head box 21, the upper connecting plate 2 is connected with the planetary pinion connecting ring 3, the planetary pinion 4 is fixed on the planetary pinion connecting ring 3, and the bearing pin 15 is mounted on the planetary pinion 4 Planetary teeth 6, planetary teeth 6 are used with external pinion or tooth 5 and internal pinion or tooth 10, external pinion or tooth 5 is mounted on outer sleeve 7, and outer casing 7 is provided with casing connecting plate 8 and amplifier
  • the lower pressing plate 18, the outer sleeve 7 is provided with a slewing bearing 12, the outer sleeve 7 is connected to the inner sleeve 11 through the slewing bearing 12, and the inner pinion or tooth 10 is mounted on the inner sleeve 11 or the drill rod 20, the inner sleeve
  • the power head lower pressing plate 16 is mounted on the power head lower pressing plate 16, and the stopper 9 and the card shaft 17 are attached to the power head lower pressing
  • the casing torque amplifier 1 is mounted on the power head 22.
  • the upper connecting plate 2 including the casing amplifier 1 is connected to the power head case 21, and the power head lower pressing plate 16 is connected to the power head inner cover 13 on.
  • the casing 14 is connected to the casing connecting plate 8.
  • the power head 22 is operated to drive the power head lower pressing plate 16 to rotate, and the power head lower pressing plate 16 drives the inner pinion or the tooth 10 and the inner sleeve 11 to rotate on the slewing bearing 12, and the internal pinion or tooth 10
  • the planetary gear 6 is driven to rotate on the planetary pinion 4 along the bearing 15, and the planetary pinion 4 is fixed to the planetary pinion ring 3 and connected to the power head case 21 through the upper connecting plate 2, so the planetary pinion 4 is fixed. Without moving, the planetary teeth 6 rotate to drive the external pinion or the teeth 5 and the outer sleeve 7 to rotate on the slewing bearing 12.
  • the detachable casing torque amplifier 1 does not affect the normal use of the rig.
  • the casing torque amplifier 1 is mounted on the power head 22 for use with the drill pipe 20.
  • the upper connecting plate 2 including the casing amplifier 1 is connected to the power head casing 21, and the planetary pinion connecting ring 3 is connected to the outer sleeve 7 via the slewing bearing 12, the planetary gear 6 and the external gear shaft or the tooth 5 and the belt locking device
  • the gear 23 is used in combination, and the casing 14 is connected to the casing connecting plate 8.
  • the power head 22 is operated, the drill rod 20 is rotated, the drill rod 20 drives the belt lock device gear 23 to rotate, and the belt lock device gear 23 drives the planetary gear 6 along the bearing 15 on the planetary pinion 4.
  • the planetary pinion 4 is fixed to the planetary pinion ring 3 and connected to the power head case 21 through the upper connecting plate 2, the planetary pinion 4 is fixed, and the planetary teeth 6 rotate to drive the external pinion or the tooth 5
  • the outer sleeve 7 is rotated on the slewing bearing 12.
  • the casing torque amplifier 1 can be made integral or detachable with the power head 22.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Retarders (AREA)

Abstract

一种护筒扭矩放大器（1），其中，上连接板（2）连接在动力头箱体（21）上，上连接板（2）与行星齿轴连接圈（3）连接，行星齿轴（4）固定在行星齿轴连接圈（3）上，行星齿轴（4）上安装轴承（15）和行星齿（6），行星齿（6）与外齿轴或齿（5）和内齿轴或齿（10）配合使用，外齿轴或齿（5）安装在外套筒（7）上，外套筒（7）下设置护筒连接板（8）和放大器下压板（18），外套筒（7）中安装回转轴承（12），外套筒（7）通过回转轴承（12）与内套筒（11）连接，内齿轴或齿（10）安装在内套筒（11）或钻杆（20）上，内套筒（11）上安装动力头下压板（16），动力头下压板（16）上安装限位器（9）和卡轴或卡板（17），动力头下压板（16）与内连接圈（19）连接。增加了扭矩，降低了转速，可作为旋挖钻机使用的护筒进行深孔作业。

Description

一种护筒扭矩放大器 技术领域
本发明涉及到带有护筒扭矩增大装置的旋挖钻机动力头，尤其涉及到一种护筒扭矩放大器。
背景技术
在桩基成孔土层中有回填层、流沙层、软硬岩层、废基础等，目前在桩基施工中所用的设备主要采用旋挖钻机。
存在的问题是：在需要护筒作业时，护筒一般安装在动力头内套上或底部压板上，护筒和钻杆转速与扭矩相同，护筒扭矩小，转速快，无法完成深孔的全护筒作业。
发明内容
本发明是要解决现有技术存在的上述问题，提供一种护筒扭矩放大器。大大增加了护筒的扭矩，降低了护筒转速。
本发明涉及的护筒扭矩放大器，其特征是：上连接板连接在动力头箱体上，上连接板与行星齿轴连接圈连接，行星齿轴固定在行星齿轴连接圈上，行星齿轴上安装轴承和行星齿，行星齿与外齿轴或齿和内齿轴或齿配合使用，外齿轴或齿安装在外套筒上，外套筒下设置护筒连接板和放大器下压板，外套筒中安装回转轴承，外套筒通过回转轴承与内套筒连接，内齿轴或齿安装在内套筒或钻杆上，内套筒上安装动力头下压板，动力头下压板上安装限位器和卡轴或卡板，动力头下压板与内连接圈连接。
该护筒扭矩放大器的有益效果是：
采用护筒扭矩放大器，大大增加了护筒的扭矩、转速降低，可作为旋挖钻机使用护筒进行深孔作业。可与套管夹实器配合使用，实现全套管全回转钻机 使用，护筒扭矩放大器可拆卸不影响钻机正常使用。加快施工速度，降低施工成本。
图1为本发明结构示意图；
图2为图1俯视图；
图3为安装在动力头示意图；
图4为与钻杆配合示意图；
图中：护筒扭矩放大器1，上连接板2，行星齿轴连接圈3，行星齿轴4，外齿轴或齿5，行星齿6，外套筒7，护筒连接板8，限位器9，内齿轴或齿10，内套筒11，回转轴承12，动力头内套13，护筒14，轴承15，动力头下压板16，卡轴或卡板17，放大器下压板18，内连接圈19，钻杆20，动力头箱体21，动力头22，带机锁装置齿轮23，方头24。
具体实施方式
下面结合附图和具体实施方式对本发明做进一步详细说明：
如图1、图2、所示，为护筒扭矩放大器1。包括上连接板2连接在动力头箱体21上，上连接板2与行星齿轴连接圈3连接，行星齿轴4固定在行星齿轴连接圈上3，行星齿轴4上安装轴承15和行星齿6，行星齿6与外齿轴或齿5和内齿轴或齿10配合使用，外齿轴或齿5安装在外套筒7上，外套筒7下设置护筒连接板8和放大器下压板18，外套筒7中安装回转轴承12，外套筒7通过回转轴承12与内套筒11连接，内齿轴或齿10安装在内套筒11或钻杆20上，内套筒11上安装动力头下压板16，动力头下压板16上安装限位器9和卡轴或卡板17，动力头下压板16与内连接圈19连接。
如图3所示，为护筒扭矩放大器1安装在动力头22上。包括护筒放大器1的上连接板2与动力头箱体21连接，动力头下压板16连接在动力头内套13 上。护筒14与护筒连接板8连接。
通过驾驶员的操作，使动力头22工作，带动动力头下压板16旋转，动力头下压板16带动内齿轴或齿10和内套筒11在回转轴承12上旋转，内齿轴或齿10带动行星齿6沿着轴承15在行星齿轴4上旋转，因行星齿轴4与行星齿轴连接圈3固定并通过上连接板2连接在动力头箱体21上，所以行星齿轴4固定不动，行星齿6旋转带动外齿轴或齿5和外套筒7在回转轴承12上旋转。
在行星齿6、内齿轴或齿10和外齿轴或齿5的相互配合下，达到护筒14扭矩的增大、转速降低。
护筒扭矩放大器1可拆卸不影响钻机正常使用。
如图4所示，为护筒扭矩放大器1安装在动力头22上与钻杆20配合使用。包括护筒放大器1的上连接板2与动力头箱体21连接，行星齿轴连接圈3通过回转轴承12与外套筒7连接，行星齿6与外齿轴或齿5和带机锁装置齿轮23配合使用，护筒14与护筒连接板8连接。
通过驾驶员的操作，使动力头22工作，带钻杆20旋转，钻杆20带动带机锁装置齿轮23旋转，带机锁装置齿轮23带动行星齿6沿着轴承15在行星齿轴4上旋转，因行星齿轴4与行星齿轴连接圈3固定并通过上连接板2连接在动力头箱体21上，所以行星齿轴4固定不动，行星齿6旋转带动外齿轴或齿5和外套筒7在回转轴承12上旋转。
在行星齿6、带机锁装置齿轮23和外齿轴或齿5的相互配合下，达到护筒14扭矩的增大、转速降低。
根据现场施工情况，护筒扭矩放大器1可与动力头22制作成一体式或拆卸式。

Claims (10)

  1. 一种护筒扭矩放大器，其特征是：上连接板连接在动力头箱体上，上连接板与行星齿轴连接圈连接，行星齿轴固定在行星齿轴连接圈上，行星齿轴上安装轴承和行星齿，行星齿与外齿轴或齿和内齿轴或齿配合使用，外齿轴或齿安装在外套筒上，外套筒下设置护筒连接板和放大器下压板，外套筒中安装回转轴承，外套筒通过回转轴承与内套筒连接，内齿轴或齿安装在内套筒或钻杆上，内套筒上安装动力头下压板，动力头下压板上安装限位器和卡轴或卡板，动力头下压板与内连接圈连接。
  2. 根据权利要求1所述的护筒扭矩放大器，其特征是：行星齿轴固定不动。
  3. 根据权利要求1所述的护筒扭矩放大器，其特征是：行星齿轴安装轴承和齿轮。
  4. 根据权利要求1所述的护筒扭矩放大器，其特征是：外套筒上安装齿轴或齿。
  5. 根据权利要求1所述的护筒扭矩放大器，其特征是：齿轴或齿安装在内套筒上或钻杆上。
  6. 根据权利要求1所述的护筒扭矩放大器，其特征是：外套筒与内套筒通过回转轴承连接。
  7. 根据权利要求1所述的护筒扭矩放大器，其特征是：内套筒也可安装在动力头内套或钻杆上。
  8. 根据权利要求1所述的护筒扭矩放大器，其特征是：护筒安装护筒连接板上。
  9. 根据权利要求1所述的护筒扭矩放大器，其特征是：设置有放大器下压板。
  10. 根据权利要求1所述的护筒扭矩放大器，其特征是：钻杆上安装有带机锁装置的齿轮。
PCT/CN2016/000704 2016-12-23 2016-12-23 一种护筒扭矩放大器 WO2018112678A1 (zh)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB938191A (en) * 1960-06-09 1963-10-02 Bade & Co Gmbh Method and equipment for sinking a pipe casing
EP0727560A2 (en) * 1995-02-16 1996-08-21 CASAGRANDE SpA Casing rotating device for drilling machines
CN203188899U (zh) * 2013-04-19 2013-09-11 郑州宇通重工有限公司 一种全套管特种钻机
CN104141453A (zh) * 2014-07-15 2014-11-12 江苏泰来减速机有限公司 一种双输出双转向入岩动力头减速机
CN104790871A (zh) * 2015-05-11 2015-07-22 徐州徐工基础工程机械有限公司 旋挖钻机的动力头和旋挖钻机
CN204627401U (zh) * 2015-05-11 2015-09-09 徐州徐工基础工程机械有限公司 旋挖钻机的动力头和旋挖钻机

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB938191A (en) * 1960-06-09 1963-10-02 Bade & Co Gmbh Method and equipment for sinking a pipe casing
EP0727560A2 (en) * 1995-02-16 1996-08-21 CASAGRANDE SpA Casing rotating device for drilling machines
CN203188899U (zh) * 2013-04-19 2013-09-11 郑州宇通重工有限公司 一种全套管特种钻机
CN104141453A (zh) * 2014-07-15 2014-11-12 江苏泰来减速机有限公司 一种双输出双转向入岩动力头减速机
CN104790871A (zh) * 2015-05-11 2015-07-22 徐州徐工基础工程机械有限公司 旋挖钻机的动力头和旋挖钻机
CN204627401U (zh) * 2015-05-11 2015-09-09 徐州徐工基础工程机械有限公司 旋挖钻机的动力头和旋挖钻机

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