CN112878931A - Tool for installing drill rod of raise boring machine, raise boring machine and using method thereof - Google Patents
Tool for installing drill rod of raise boring machine, raise boring machine and using method thereof Download PDFInfo
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- CN112878931A CN112878931A CN202110098470.6A CN202110098470A CN112878931A CN 112878931 A CN112878931 A CN 112878931A CN 202110098470 A CN202110098470 A CN 202110098470A CN 112878931 A CN112878931 A CN 112878931A
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- Prior art keywords
- drill rod
- rod
- turnover
- telescopic mechanism
- hoisting
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000007306 turnover Effects 0.000 claims abstract description 57
- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 238000010276 construction Methods 0.000 claims abstract description 17
- 238000009434 installation Methods 0.000 claims abstract description 11
- 238000005553 drilling Methods 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 6
- 239000000725 suspension Substances 0.000 claims description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
-
- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/02—Rod or cable suspensions
- E21B19/04—Hooks
-
- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/14—Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole
- E21B19/146—Carousel systems, i.e. rotating rack systems
-
- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/14—Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole
- E21B19/15—Racking of rods in horizontal position; Handling between horizontal and vertical position
- E21B19/155—Handling between horizontal and vertical position
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to an installation auxiliary tool of a drill rod of a raise boring machine, the raise boring machine and a using method thereof, comprising a hoisting and moving device and a turnover device; the hoisting and moving device comprises a base, a support rod, a first telescopic mechanism, a hoisting beam and a hoisting chain; the supporting rod is connected with the base and can rotate in a horizontal plane relative to the base; one end of the hanging beam is connected with the support rod and can rotate in a vertical plane relative to the support rod, and the other end of the hanging beam is connected with the hanging chain; two ends of the first telescopic mechanism are respectively connected with the supporting rod and the hanging beam; the turnover device comprises a second telescopic mechanism, a turnover beam and a supporting seat, wherein two ends of the second telescopic mechanism are respectively connected with the supporting seat and the turnover beam, and a clamping arm used for clamping the drill rod is arranged on the turnover beam. The hoisting and moving device can hoist and move the drill rod to the turnover device, and the turnover device can transfer the drill rod to a construction position, so that the drill rod is convenient to mount and dismount and is labor-saving; the invention reduces the trouble of inaccurate manual positioning, is convenient and practical, and can be popularized in construction engineering in a large scale.
Description
Technical Field
The invention relates to the technical field of auxiliary construction of a raise boring machine, in particular to an auxiliary tool for installing a drill rod of the raise boring machine, the raise boring machine and a using method of the raise boring machine.
Background
In the mine, the construction of the raise boring machine is compared with the traditional construction, the noise generated by the construction of the raise boring machine is lower, the damage to the health of operators is very small, and meanwhile, the influence on the environment is much smaller in the construction of the raise boring machine than the traditional manual construction, so that better benefits are obtained in many aspects. However, raise boring machines have certain limitations, and the main components of the raise boring machine are up to 2 meters in length of a single drill rod and nearly ton in weight. In order to adapt to different deep holes drilled in construction, the drilling rod needs to be replaced frequently, one drilling rod is detached from the drilling machine, the other drilling rod is installed, the installation process is complicated, the operation is frequent, and a large amount of manpower and material resources need to be input.
At present, a new device for installing the drill rod is provided, so that the efficiency of installing the drill rod is improved, and the labor input is reduced. The lifting beam of the existing raise boring machine is only provided with a supporting rod and a lifting lug. And the movable range of the hoisting beam is small, and the drill rod can be hoisted only by manually putting the drill rod in the range. If the drill rod falls off, the drill rod is not matched accurately, and the drill rod is not easy to install smoothly; meanwhile, the investment of labor force is increased, the investment cost is increased, and certain safety risk exists.
Disclosure of Invention
The invention provides an auxiliary tool for installing a drill rod of a raise boring machine, the raise boring machine and a using method thereof in order to solve the technical problems.
The invention is realized by the following technical scheme:
an auxiliary tool for installing a drill rod of a raise boring machine comprises a hoisting and moving device and a turnover device; the lifting and moving device comprises a base, a supporting rod, a first telescopic mechanism, a lifting beam and a lifting chain;
the supporting rod is connected with the base and can rotate in a horizontal plane relative to the base; one end of the hanging beam is connected with the support rod and can rotate in a vertical plane relative to the support rod, and the other end of the hanging beam is connected with the hanging chain; one end of the first telescopic mechanism is connected with the supporting rod, and the other end of the first telescopic mechanism is connected with the hanging beam;
the turnover device comprises a second telescopic mechanism, a turnover beam and a supporting seat, one end of the second telescopic mechanism is connected with the supporting seat, the other end of the second telescopic mechanism is connected with the turnover beam, and a clamping arm used for clamping the drill rod is arranged on the turnover beam.
Furthermore, the auxiliary tool for installing the drill rod of the raise boring machine further comprises a driving device for driving the supporting rod to rotate horizontally.
Further, the suspension chain comprises two chain bodies, and a hook part is connected to the free ends of the chain bodies.
Preferably, there are two pairs of said gripping arms.
Preferably, the first telescopic mechanism and the second telescopic mechanism are hydraulic telescopic mechanisms.
A raise boring machine comprises a drill frame base and an auxiliary tool for installing a drill rod of the raise boring machine; the hoisting and moving device and the turnover device are both arranged on the drill stand base.
A use method of an installation aid for a drill rod of a raise boring machine comprises the following steps:
adjusting the position of the hoisting beam to enable the hoisting chain to be positioned above a drill rod to be hoisted, and sleeving the hook component on the drill rod;
the hoisting beam rotates horizontally to move, and the hoisting chain is pulled to move the drill rod to the turnover device;
a clamping arm of the turnover device tightly grasps the drill rod, and then the second telescopic mechanism extends to turn the turnover beam and the drill rod to the construction position;
the drill rod is arranged on the drilling machine, the clamping arm is loosened, and the turnover device is reset.
Further, the use method of the installation auxiliary tool for the drill rod of the raise boring machine further comprises the drill rod unloading process:
a clamping arm of the turnover device clamps a drill rod unloaded from the raise boring machine; then, the second telescopic mechanism of the turnover device retracts to enable the turnover beam to turn over and reset;
adjusting the position of the hanging beam to enable the hanging chain to be positioned above the turnover device, and sleeving the hook component on the drill rod;
and hoisting the hoisting beam, horizontally rotating and moving the hoisting beam, and moving the drill rod to the dead zone.
Compared with the prior art, the invention has the following beneficial effects:
the hoisting and moving device can hoist and move the drill rod to the turnover device, and the turnover device can transfer the drill rod to a construction position, so that the drill rod is convenient to mount and dismount, and more convenient and labor-saving; the invention reduces the trouble of inaccurate manual positioning, is convenient and practical, and can be popularized in construction engineering in a large scale.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of the lifting and moving device;
FIG. 3 is a schematic view of the turning device in place;
fig. 4 is a schematic structural view of the turnover device when the second telescopic mechanism is extended.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
As shown in figure 1, the installation auxiliary tool for the drill rod of the raise boring machine disclosed by the invention comprises a hoisting and moving device 1 and a turnover device 2. As shown in fig. 2, the lifting and moving device 1 includes a base 11, a support rod 12, a first telescoping mechanism 13, a hanging beam 14 and a hanging chain 15.
The base 11 has the through-hole that is used for the pile fixing, can fix the base 11 on the rig mast base of raise boring machine 4 with the bolt to make the installation of bracing piece 12 more firm, can not arouse rocking of bracing piece 12 because of the rotation of hanging beam 14, drilling rod 3, avoid causing unsafe factor.
The bottom of the support rod 12 is rotatably connected to the base 11 such that the support rod 12 can rotate in a horizontal plane. A bearing is arranged between the support rod 12 and the base 11, and the bearing is favorable for reducing the friction force in the support rod 12 and ensuring the stability of the whole rotation of the support rod 12.
One end of the hanging beam 14 is rotatably connected to the top of the support rod 12 such that the hanging beam 14 can rotate in a vertical plane about the connection between the support rod 12 and the hanging beam 14.
The other end of the hanging beam 14 is provided with a hanging chain 15. The hoist chain 15 comprises two chain bodies of comparable length, to the free ends of which hook members 16 are attached. The hook members 16 have a length of about 1m and are bent at their ends, and the two hook members 16 are used to firmly hook both ends of the drill rod 3, thereby ensuring that the drill rod 3 does not fall off when being lifted or unloaded.
One end of the first telescopic mechanism 13 is connected with the support rod 12, and the other end is connected with the hanging beam 14. The first telescoping mechanism 13 forms a suitable angle with the support bar 12 and the suspension beam 14. The first telescopic mechanism 13 is provided with an adjustment button, and the extension and contraction thereof are adjusted by pressing the adjustment button.
The height of the support rod 12 is set to be 30 cm-40 cm, and the lifting beam 14 is controlled by the first telescopic mechanism 13, so that the lifting chain 15 and the drill rod 3 can ascend or descend.
The use method of the hoisting and moving device 1 comprises the following steps: the position of the hoist chain 15 is adjusted by rotating the support rod 12 in the horizontal plane, so that the hoist chain 15 is positioned above the drill rod 3 to be hoisted, and a worker directly sleeves the hook component 16 on the drill rod 3; the first telescopic mechanism 13 extends to enable the drill rod 3 to be lifted upwards to a certain height;
then, the support rod 12 rotates in the horizontal plane to adjust the lifting chain 15 and the drill rod 3 to be above the turnover device 2, the first telescopic mechanism 13 retracts to enable the drill rod 3 to descend to a certain height, a constructor slightly pulls the lifting chain 15 to move the drill rod 3 to the turnover device 2, the hook part 16 is taken down from the drill rod 3, and the lifting device 1 is reset.
In another embodiment, the lifting and moving device 1 further comprises a driving device for driving the supporting rod 12 to rotate. The drive means comprises a motor. The driving device can drive the supporting rod 12 to rotate in the horizontal plane without manual pushing, so that the working efficiency can be improved, and the intelligence of the hoisting and moving device 1 is improved.
As shown in fig. 3 and 4, the turnover device 2 includes a second telescoping mechanism 21, a turnover beam 22, and a support base 23. The support base 23 is intended to be connected to the drilling stand base of the raise boring machine 4.
One end of the second telescopic mechanism 21 is connected with the supporting base 23, the other end of the second telescopic mechanism 21 is connected with the turning beam 22, and the second telescopic mechanism 21 is located below the turning beam 22.
The second telescopic mechanism 21 is provided with an adjustment button, and the extension and contraction thereof are adjusted by pressing the adjustment button, thereby adjusting the inclination angle of the turnover beam 22.
The turning beam 22 is provided with a gripping arm 24 for gripping the drill rod 3. The second telescopic mechanism 21 is connected to one end of the lower surface of the turning beam 22, and the gripping arm 24 is located on the upper surface of the turning beam 22.
The clamping arm 24 is perpendicular to the overturning beam 22, the clamping tightness of the clamping arm 24 can be manually operated, the construction position of the drill rod 3 is accurately positioned by using the overturning device 2, manual lifting is reduced, and the working efficiency is improved.
The clamping arms 24 are also arc-shaped, concave surfaces of the clamping arms on two sides are arranged oppositely, the clamping surfaces are provided with threads, friction between the clamping arms and the drill rod 3 is increased, and then the drill rod 3 is clamped or loosened. In this embodiment there are two pairs of gripping arms 24 which grip the ends of the drill rod 3.
The first telescoping mechanism 13 and the second telescoping mechanism 21 can be hydraulic telescoping mechanisms, linear motors, cylinders and the like.
As shown in figure 1, the raise boring machine 4 disclosed by the invention comprises a drill frame base and the installation auxiliary tool. The base 11 of the lifting and moving device 1 is fixed on the drill frame base of the raise boring machine 4 by bolts, and the supporting seat 23 of the turnover device 2 is also fixed on the drill frame base. The position of the turning device 2 should be such that by rotating the turning beam 22 the gripping arm 24 can be rotated to below the rotary output of the drilling machine, which in turn effects the turning of the drill rod 3 to the construction position.
The invention relates to a use method of an installation auxiliary tool of a raise boring machine drill rod, which comprises the following steps:
comprises a drill rod loading process and a drill rod unloading process;
a drill rod loading process: adjusting the position of the lifting beam 14 to enable the lifting chain 15 to be positioned above the drill rod 3 to be lifted, and directly sleeving the hook component 16 on the drill rod 3 by an operator; the support rod 12 drives the hanging beam 14 to horizontally rotate and move, an operator slightly pulls the hanging chain 15 to move the drill rod 3 to the turnover device 2, and the hanging and moving device 1 resets;
after the drill rod 3 is hoisted and moved to the turnover device 2, the clamping arm 24 of the turnover device 2 tightly grasps the drill rod 3; then the second telescopic mechanism 21 extends to turn the turning beam 22 and the drill rod 3 to the construction position;
the drill rod 3 is mounted on the drilling machine, the gripping arm 24 is released and the tipping device 2 is reset.
A drill rod unloading process: the second telescopic mechanism 21 of the turnover device 2 extends to turn over the turnover beam 22 to the construction position; the gripping arm 24 grips the drill rod 3 removed from the raise boring machine 12; the second telescopic mechanism 21 of the turnover device 2 retracts to turn over the turnover beam 22 for resetting;
the position of the hanging beam 14 is adjusted to enable the hanging chain 15 to be positioned above the turnover device 2, and an operator directly sleeves the hook component 16 on the drill rod 3;
the hanging beam 14 is lifted, and the support rod 12 drives the hanging beam 14 to horizontally rotate, so that the drill rod 3 is moved to the empty area.
The invention has the function of quick installation and unloading, and can save the auxiliary time for lifting and lowering the drilling tool and connecting and unloading the drilling rod.
The above embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above embodiments are only examples of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. The utility model provides an utensil is assisted in installation of raise boring machine drilling rod which characterized in that: comprises a hanging and moving device and a turnover device; the lifting and moving device comprises a base, a supporting rod, a first telescopic mechanism, a lifting beam and a lifting chain;
the supporting rod is connected with the base and can rotate in a horizontal plane relative to the base; one end of the hanging beam is connected with the support rod and can rotate in a vertical plane relative to the support rod, and the other end of the hanging beam is connected with the hanging chain; one end of the first telescopic mechanism is connected with the supporting rod, and the other end of the first telescopic mechanism is connected with the hanging beam;
the turnover device comprises a second telescopic mechanism, a turnover beam and a supporting seat, one end of the second telescopic mechanism is connected with the supporting seat, the other end of the second telescopic mechanism is connected with the turnover beam, and a clamping arm used for clamping the drill rod is arranged on the turnover beam.
2. The tool of claim 1, wherein the tool further comprises: it also comprises a driving device for driving the supporting rod to rotate horizontally.
3. The tool of claim 1, wherein the tool further comprises: the suspension chain comprises two chain bodies, and the free ends of the chain bodies are connected with hook parts.
4. The tool of claim 1, wherein the tool further comprises: the clamping arms are provided with two pairs.
5. The tool of claim 1, wherein the tool further comprises: the first telescopic mechanism and the second telescopic mechanism are hydraulic telescopic mechanisms.
6. The raise boring machine comprises a drill frame base and is characterized in that: it also comprises an installation aid for the drill rod of the raise boring machine according to any one of claims 1 to 5; the hoisting and moving device and the turnover device are both arranged on the drill stand base.
7. Use of an installation aid for a raise boring machine drill rod according to any one of claims 1-5, characterized in that: the method comprises the following steps:
adjusting the position of the hoisting beam to enable the hoisting chain to be positioned above a drill rod to be hoisted, and sleeving the hook component on the drill rod;
the hoisting beam rotates horizontally to move, and the hoisting chain is pulled to move the drill rod to the turnover device;
a clamping arm of the turnover device tightly grasps the drill rod, and then the second telescopic mechanism extends to turn the turnover beam and the drill rod to the construction position;
the drill rod is arranged on the drilling machine, the clamping arm is loosened, and the turnover device is reset.
8. Use according to claim 7, characterized in that: it still includes unloads the drilling rod process:
a clamping arm of the turnover device clamps a drill rod unloaded from the raise boring machine; then, the second telescopic mechanism of the turnover device retracts to enable the turnover beam to turn over and reset;
adjusting the position of the hanging beam to enable the hanging chain to be positioned above the turnover device, and sleeving the hook component on the drill rod;
and hoisting the hoisting beam, horizontally rotating and moving the hoisting beam, and moving the drill rod to the dead zone.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202110098470.6A CN112878931A (en) | 2021-01-25 | 2021-01-25 | Tool for installing drill rod of raise boring machine, raise boring machine and using method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202110098470.6A CN112878931A (en) | 2021-01-25 | 2021-01-25 | Tool for installing drill rod of raise boring machine, raise boring machine and using method thereof |
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CN112878931A true CN112878931A (en) | 2021-06-01 |
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CN202110098470.6A Pending CN112878931A (en) | 2021-01-25 | 2021-01-25 | Tool for installing drill rod of raise boring machine, raise boring machine and using method thereof |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114233206A (en) * | 2021-12-03 | 2022-03-25 | 江苏和信石油机械有限公司 | Raise boring machine drilling rod structure for water and electricity system |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201963221U (en) * | 2010-12-31 | 2011-09-07 | 中国石油天然气集团公司 | Automatic hanging and clamping device |
CN205297328U (en) * | 2016-01-04 | 2016-06-08 | 宋海章 | Brill hangs combination formula all -in -one |
CN206458359U (en) * | 2016-12-20 | 2017-09-01 | 宁夏天地奔牛实业集团有限公司 | On to anti-well borer drill rod handler |
CN206554793U (en) * | 2017-01-11 | 2017-10-13 | 河南铁福来装备制造股份有限公司 | Use from the platform-type anti-well rig of shifting in a kind of colliery |
CN112049585A (en) * | 2020-09-14 | 2020-12-08 | 黄如兰 | Drilling rod transfer frame for well drilling |
CN112127814A (en) * | 2020-08-11 | 2020-12-25 | 四川宏华石油设备有限公司 | Ground tubular column hoisting and moving device |
-
2021
- 2021-01-25 CN CN202110098470.6A patent/CN112878931A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201963221U (en) * | 2010-12-31 | 2011-09-07 | 中国石油天然气集团公司 | Automatic hanging and clamping device |
CN205297328U (en) * | 2016-01-04 | 2016-06-08 | 宋海章 | Brill hangs combination formula all -in -one |
CN206458359U (en) * | 2016-12-20 | 2017-09-01 | 宁夏天地奔牛实业集团有限公司 | On to anti-well borer drill rod handler |
CN206554793U (en) * | 2017-01-11 | 2017-10-13 | 河南铁福来装备制造股份有限公司 | Use from the platform-type anti-well rig of shifting in a kind of colliery |
CN112127814A (en) * | 2020-08-11 | 2020-12-25 | 四川宏华石油设备有限公司 | Ground tubular column hoisting and moving device |
CN112049585A (en) * | 2020-09-14 | 2020-12-08 | 黄如兰 | Drilling rod transfer frame for well drilling |
Non-Patent Citations (1)
Title |
---|
李开学等: "《全国高等职业教育"十三五"规划教材 巷道施工》", 30 May 2018 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114233206A (en) * | 2021-12-03 | 2022-03-25 | 江苏和信石油机械有限公司 | Raise boring machine drilling rod structure for water and electricity system |
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Application publication date: 20210601 |