CN105507831A - Screw-driven drilling tool delivery device of offshore drilling platform - Google Patents
Screw-driven drilling tool delivery device of offshore drilling platform Download PDFInfo
- Publication number
- CN105507831A CN105507831A CN201610092069.0A CN201610092069A CN105507831A CN 105507831 A CN105507831 A CN 105507831A CN 201610092069 A CN201610092069 A CN 201610092069A CN 105507831 A CN105507831 A CN 105507831A
- Authority
- CN
- China
- Prior art keywords
- support arm
- drilling tool
- described support
- motor
- delivery apparatus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 104
- 238000012384 transportation and delivery Methods 0.000 title claims abstract description 30
- 229910000746 Structural steel Inorganic materials 0.000 claims abstract description 4
- 238000007599 discharging Methods 0.000 claims description 20
- 239000000872 buffer Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 6
- 238000004064 recycling Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000013016 damping Methods 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 3
- 230000003139 buffering effect Effects 0.000 abstract 2
- 238000004880 explosion Methods 0.000 abstract 2
- 238000005516 engineering process Methods 0.000 description 6
- 230000005484 gravity Effects 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013523 data management Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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
- E21B19/14—Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole
- E21B19/143—Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole specially adapted for underwater drilling
Landscapes
- 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 discloses a screw-driven drilling tool delivery device of an offshore drilling platform. The device comprises an anti-explosion motor, a hydraulic pump, a hydraulic motor, a screw-driving device, a vertical guide rail, a supporting arm, a pushing device, an unloading device, an anti-slip device, small wheels, a small wheel guide rail, a material rack, a buffering device and a base plate. The anti-explosion motor is connected with the hydraulic pump which is connected with the hydraulic motor. The hydraulic motor is connected with the screw-driving device. The screw-driving device is installed on the vertical guide rail and connected with the supporting arm. The pushing device, the unloading device and the anti-slip device are all installed in the supporting arm. The small wheels are installed on the supporting arm and roll in the small wheel guide rail. The buffering device bears impact generated when the supporting arm falls back. The base plate is made from high-strength structural steel and is a bottom plate used for supporting and fixing the whole device. By means of the screw-driven drilling tool delivery device, a tubular drill tool can be efficiently and conveniently conveyed to the drilling platform from the material rack.
Description
Technical field
The present invention relates to a kind of drilling tool delivery apparatus, be specifically related to a kind of worm drive formula drilling tool delivery apparatus of offshore drilling platform.
Background technology
As far back as earlier 1900s, the external research just expanding the automatic delivery system of drilling tool, to the twentieth century middle and later periods, this technology is tending towards ripe and starts extensive use, at present, in drilling tool automatic transport, achieve significant achievement abroad, but the domestic investigation and application to drilling tool delivery apparatus is still fewer.The upper rig floor mode of drilling tool, what adopt before domestic is crane lifting method always, and along with the development of science and technology, the raising of each side technical level and requirement, drilling technology is gradually to high accuracy, and high efficiency, high-caliber direction is drawn close.Drilling tool delivery apparatus, as the indispensable ingredient of well borer, has achieved in developed countries such as the U.S., Germany, Japan and has applied widely.In recent years, due to development and the innovation of drilling technology, bit speed is had higher requirement, drilling tool how is allowed to be transported to rig floor quickly and safely by platform, then require that drilling tool delivery apparatus has higher Mechanization Level, allow oil worker be emancipated from hard work, this is the certainty of drilling technology.So, current each state all payes attention to the Developing Application of drilling tool delivery apparatus, along with the development of China's rig, automated drilling rig is the exhibition trend of rig, from the conveying of drilling rod, to making a trip, arrive the discharge etc. of drilling rod again, all can complete in operating room, which not only simplifies data management, decrease downtime, and improve the safety of rig when drilling well greatly.
Summary of the invention
The present invention is intended to liberate labour, improve drilling well staff operating efficiency and improve well drilling tool send accuracy, provide a kind of safety higher, the offshore drilling platform drilling tool delivery apparatus that accuracy is stable.
For achieving the above object, the technical solution adopted in the present invention is as follows:
A worm drive formula drilling tool delivery apparatus for offshore drilling platform, comprising: fire-proof motor, hydraulic pump, hydraulic motor, helicoidal gear, upright guide rail, support arm, pusher, device for discharging, shoe, steamboat, steamboat guide rail, bin, bin hydraulic cylinder, buffer, base plate; Described fire-proof motor is connected with described hydraulic pump; Described hydraulic pump is connected with described hydraulic motor; Described hydraulic motor is connected with described helicoidal gear; Described helicoidal gear is arranged on described upright guide rail, is connected with described support arm; Described pusher, described device for discharging and described shoe are installed in described support arm; Described steamboat is arranged on described support arm, rolls in described steamboat guide rail; Described bin is connected with described bin hydraulic cylinder; Described buffer is for bearing impact when described support arm falls after rise; Described base plate adopts high-tensile structural steel, is the base plate supporting and fix whole device.
Further, described helicoidal gear comprises leading screw, nut, little supporting plate; Described leading screw is driving link, and with described nut screw connection, described nut is connected by bolt with described little supporting plate, and described little supporting plate is connected with described support arm; Described leading screw adopts trapezoidal tooth form, and thread form angle is 30 degree, and the lead angle of described leading screw is less than the equivalent friction angle between the field of conjugate action, has self-locking performance, avoids in support arm lifting process, and when stopping or have a power failure, support arm falls suddenly, causes danger; Described leading screw rotates forward, drive described nut up to move, drive described support arm to be inclined upwardly by described little supporting plate and hoist, described leading screw reversion, drive described nut to move down, drive described support arm to fall back to original horizontal position downwards by described little supporting plate.
Further, described pusher comprises propelling movement motor, pushes reduction box, cylinder, movable pulley, push pedal; Described propelling movement reduction box is connected with described propelling movement motor, and described cylinder is connected with described propelling movement reduction box, and described movable pulley is connected by wire rope with described cylinder, and described push pedal and described movable pulley are consolidated; Send in the process of drilling tool, when described support arm tilts to predetermined angular, described propelling movement electric motor starting, after described reduction box slows down, drive described cylinder to rotate and be wound around described wire rope, hauling described push pedal and promote drilling tool and move obliquely along the V-type groove of described support arm; When drilling tool is by rig floor disassembly & recycling, described push pedal prevents drilling tool from accelerating to slide in the V-type groove of described support arm, plays buffer protection function.
Further, described device for discharging comprises hydraulic cylinder and discharging push pedal, and described device for discharging is by described Driven by Hydraulic Cylinder; Drilling tool is arranged in the V-type groove of described support arm, and described discharging push pedal promotes drilling tool under the driving of described hydraulic cylinder, and drilling tool is fallen described bin from the V-type trough roller of described support arm.
Further, described shoe is arranged on described support arm, comprises fixing bumping post and movable bumping post; When drilling tool is rolled in the V-type groove of described support arm by described bin, described fixing bumping post stops drilling tool to go out V-type groove, then described in Driven by Hydraulic Cylinder, movable bumping post rises, and prevents the V-type groove rolling out described support arm in drilling tool delivery process under the effect of inertia force.
Further, described support arm is equipped with multiple hole, to alleviate the weight of support arm, makes support arm uphill process more easy.
Further, described buffer is fixed on described base plate, described buffer comprises spring and damper, described damper is placed on the inside of described spring, utilizes the elastic reaction of described spring and the aperture of fluid in described dampener hydraulic cylinder to flow through produced damping action and jointly slows down the impact that produces when dropping to bottom of described support arm.
Implement the worm drive formula drilling tool delivery apparatus of a kind of offshore drilling platform of the present invention, its beneficial effect is:
The worm drive formula drilling tool delivery apparatus of a kind of offshore drilling platform of the present invention, overcome the difficulty in many drillng operations, in drilling process, drilling tool is needed to be transported to offshore boring island from Platform Deck, and along with the increase of well bore, need constantly drilling tool to be received in drill string, drilling process is made to continue to carry out, in order to change drilling tool, frequently drill string need be put forward from well, after installing drilling tool or other equipment, drill string is needed to put into down-hole, frequent along with number of operations in said process, this is the work that repeatability is high and intensity is large.And the worm drive formula drilling tool delivery apparatus of a kind of offshore drilling platform of the present invention, decrease the quantity of operating personnel during drilling well, save manpower and materials, improve security performance.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of worm drive formula drilling tool delivery apparatus one embodiment of a kind of offshore drilling platform of the present invention;
Fig. 2 is the worm drive formula drilling tool delivery apparatus helicoidal gear partial view of a kind of offshore drilling platform of the present invention;
Fig. 3 is the supporting arm part dress figure that the present invention is provided with pusher;
Fig. 4 is the right view of the worm drive formula drilling tool delivery apparatus of a kind of offshore drilling platform of the present invention.
In figure: 1 – base plate, 2 – bin hydraulic cylinders, 3 – fire-proof motors, 4 – hydraulic pumps, 5 – buffers, 6 – hydraulic motors, 7 – leading screws, 8 – nuts, the little supporting plate of 9 –, 10 – upright guide rails, 11 – support arms, 12 – shoes, the movable shoe of 121 –, 122 – fix anti-skidding bumping post, 13 – push pedals, 14 – steamboats, 15 – steamboat guide rails, 16 – bins, 17 – push motor, 18 – cylinders, 19 – push reduction box, 20 – movable pulley, 21 – devices for discharging.
Detailed description of the invention
Below in conjunction with accompanying drawing the present invention done and describe further.
As shown in Figure 1,2,3, 4, the worm drive formula drilling tool delivery apparatus of offshore drilling platform, comprising: fire-proof motor 3, hydraulic pump 4, hydraulic motor 6, leading screw 7, nut 8, little supporting plate 9, upright guide rail 10, support arm 11, push pedal 13, pushes motor 17, cylinder 18, pushes reduction box 19, movable pulley 20, device for discharging 21, shoe 12, steamboat 14, steamboat guide rail 15, bin 16, bin hydraulic cylinder 2, buffer 5, base plate 1; Fire-proof motor 3 is connected with hydraulic pump 4; Hydraulic pump 4 is connected by hydraulic oil pipeline with hydraulic motor 6; Hydraulic motor 6 is connected with leading screw 7; Leading screw 7 coordinates with nut 8 to be installed; Nut 8 and little supporting plate 9 are bolted and are combined together; Leading screw 7, little supporting plate 9 are arranged on upright guide rail 10, and little supporting plate 9 is connected with support arm 11; Push pedal 13 is arranged in the V-type groove of support arm 12; Device for discharging 21 and shoe 12 are installed in support arm 11; Steamboat 14 is arranged on support arm 11, can roll in steamboat guide rail 15; Bin 16 is for supporting drilling tool; Buffer 5 is for bearing impact when support arm 11 falls after rise; Base plate 1 adopts high-tensile structural steel, is the base plate supporting and fix whole device.
As shown in Figure 1,2,3, 4, the concrete implementation step of the worm drive formula drilling tool delivery apparatus of a kind of offshore drilling platform of the present invention is as follows:
When everything in readiness, first drilling tool is placed on bin 16, and then bin hydraulic cylinder 2 action, slowly hoist, bin 16 is impelled to tilt, drilling tool is slowly rolled in the V-type groove of support arm 11 under gravity, and, under the stop of the fixing anti-skidding bumping post 122 of shoe 12, drilling tool can not go out V-type groove, then control the hydraulic cylinder of the movable shoe 121 of shoe 12, movable bumping post is slowly risen, prevents drilling tool under the effect of inertia force, rolling out the V-type groove of support arm 11, determining that drilling tool is placed steadily, fire-proof motor 3 is started working, under the effect of fire-proof motor 3, hydraulic pump 4 starts as hydraulic motor 6 inputs high-voltage oil liquid, hydraulic motor 6 starts running, leading screw 7 starts to rotate, nut 8 is driven up to move, nut 8 is linked together by bolt and little supporting plate 9, little supporting plate 9 moves up, little supporting plate 9 is connected with support arm 11, and then drive support arm 11 to be inclined upwardly and to hoist, when support arm 11 tilts to predetermined angular, fire-proof motor 3 quits work, support arm 11 is static, push motor 17 and start action, after pushing reduction box 19 deceleration, cylinder 18 just starts lay winding wire ropes, wire rope is connected with movable pulley 20, movable pulley 20 is connected with push pedal 13, therefore push pedal 13 is pulled to move obliquely along the V-type groove of support arm 11, and then play the effect obliquely of promotion drilling tool, after drilling tool outreaches, picked up by the manipulator of offshore drilling platform, be accurately placed on station, when drilling tool disassembly & recycling, first by the manipulator of offshore drilling platform, it is tilted to be put in the V-type groove of support arm 11, drilling tool slowly slides under gravity obliquely, certain buffer protection function is played in push pedal 13, prevent drilling tool from overrunning slide into the other end of support arm 11, when drilling tool slides into assigned position, fire-proof motor 3 reverses and runs, under the drive of nut 8 and little supporting plate 9, support arm 11 moves downward, when arriving bottom, under the effect of buffer 5, support arm 11 stop motion reposefully, then, the hydraulic cylinder piston rod of the movable shoe 121 of shoe 12 shortens, movable bumping post is fallen, device for discharging 21 just starts to play a role, the discharging hydraulic cylinder piston rod of device for discharging 21 extends, and promotes the discharging push pedal be connected with it, promotes drilling tool and to roll out V-type groove, arrive bin 16 position, discharging completes.In whole process, when the self-locking property of helicoidal gear ensure that whole device in time-out action or at accidental power failure, support arm 11 can not fall after rise suddenly, causes danger, improves security performance, has ensured the safety of staff.
Claims (7)
1. a worm drive formula drilling tool delivery apparatus for offshore drilling platform, comprising: fire-proof motor, hydraulic pump, hydraulic motor, helicoidal gear, upright guide rail, support arm, pusher, device for discharging, shoe, steamboat, steamboat guide rail, bin, bin hydraulic cylinder, buffer, base plate; Described fire-proof motor is connected with described hydraulic pump; Described hydraulic pump is connected with described hydraulic motor; Described hydraulic motor is connected with described helicoidal gear; Described helicoidal gear is arranged on described upright guide rail, is connected with described support arm; Described pusher, described device for discharging and described shoe are installed in described support arm; Described steamboat is arranged on described support arm, rolls in described steamboat guide rail; Described bin is connected with described bin hydraulic cylinder; Described buffer is for bearing impact when described support arm falls after rise; Described base plate adopts high-tensile structural steel, is the base plate supporting and fix whole device.
2. the worm drive formula drilling tool delivery apparatus of a kind of offshore drilling platform as claimed in claim 1, is characterized in that: described helicoidal gear comprises leading screw, nut, little supporting plate; Described leading screw adopts trapezoidal tooth form, and thread form angle is 30 degree, and the lead angle of described leading screw is less than the equivalent friction angle of the field of conjugate action, has self-locking performance; Described leading screw is driving link, and with described nut screw connection, described nut is connected by bolt with described little supporting plate, and described little supporting plate is connected with described support arm; Described leading screw rotates forward, drive described nut up to move, drive described support arm to be inclined upwardly by described little supporting plate and hoist, described leading screw reversion, drive described nut to move down, drive described support arm to fall back to original horizontal position downwards by described little supporting plate.
3. the worm drive formula drilling tool delivery apparatus of a kind of offshore drilling platform as claimed in claim 1, is characterized in that: described pusher comprises propelling movement motor, pushes reduction box, cylinder, movable pulley, push pedal; Described propelling movement reduction box is connected with described propelling movement motor, and described cylinder is connected with described propelling movement reduction box, and described movable pulley is connected by wire rope with described cylinder, and described push pedal and described movable pulley are consolidated; Send in the process of drilling tool, when described support arm tilts to predetermined angular, described propelling movement electric motor starting, after described reduction box slows down, drive described cylinder to rotate and be wound around described wire rope, hauling described push pedal and promote drilling tool and move obliquely along the V-type groove of described support arm; When drilling tool is by rig floor disassembly & recycling, described push pedal prevents drilling tool from accelerating to slide in the V-type groove of described support arm, plays buffer protection function.
4. the worm drive formula drilling tool delivery apparatus of a kind of offshore drilling platform as claimed in claim 1, is characterized in that: described device for discharging comprises hydraulic cylinder and discharging push pedal, and described device for discharging is by described Driven by Hydraulic Cylinder; Drilling tool is arranged in the V-type groove of described support arm, and described discharging push pedal promotes drilling tool under the driving of described hydraulic cylinder, and drilling tool is fallen described bin from the V-type trough roller of described support arm.
5. the worm drive formula drilling tool delivery apparatus of a kind of offshore drilling platform as claimed in claim 1, is characterized in that: described shoe is arranged on described support arm, comprises fixing bumping post and movable bumping post; When drilling tool is rolled in the V-type groove of described support arm by described bin, described fixing bumping post stops drilling tool to go out V-type groove, then described in Driven by Hydraulic Cylinder, movable bumping post rises, and prevents the V-type groove rolling out described support arm in drilling tool delivery process under the effect of inertia force.
6. the worm drive formula drilling tool delivery apparatus of a kind of offshore drilling platform as claimed in claim 1, is characterized in that: described support arm is equipped with multiple hole, to alleviate the weight of described support arm, makes described support arm increase and is more prone to.
7. the worm drive formula drilling tool delivery apparatus of a kind of offshore drilling platform as claimed in claim 1, it is characterized in that: described buffer is fixed on described base plate, described buffer comprises spring and damper, described damper is placed on the inside of described spring, utilizes the elastic reaction of described spring and the aperture of fluid in described dampener hydraulic cylinder to flow through produced damping action and jointly slows down the impact that produces when dropping to bottom of described support arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610092069.0A CN105507831B (en) | 2016-02-19 | 2016-02-19 | A kind of worm drive formula drilling tool delivery apparatus of offshore drilling platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610092069.0A CN105507831B (en) | 2016-02-19 | 2016-02-19 | A kind of worm drive formula drilling tool delivery apparatus of offshore drilling platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105507831A true CN105507831A (en) | 2016-04-20 |
| CN105507831B CN105507831B (en) | 2018-08-10 |
Family
ID=55716096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610092069.0A Active CN105507831B (en) | 2016-02-19 | 2016-02-19 | A kind of worm drive formula drilling tool delivery apparatus of offshore drilling platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105507831B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106121558A (en) * | 2016-08-04 | 2016-11-16 | 山东拓博节能科技有限公司 | Multi-function chain type transmits hydraulic leg |
| CN106948773A (en) * | 2017-05-26 | 2017-07-14 | *** | Drilling tool helmet conveyer |
| CN108271481A (en) * | 2017-08-14 | 2018-07-13 | 枣庄海纳科技有限公司 | The seeding apparatus with bud potato kind for tuber crops |
| CN109025857A (en) * | 2017-06-08 | 2018-12-18 | 天津市东方先科石油机械有限公司 | A kind of drilling rod and casing storage system |
| CN109292356A (en) * | 2018-11-08 | 2019-02-01 | 江苏众利达自动化设备有限公司 | It is a kind of can automatic discharging conveying mechanism |
| CN111945699A (en) * | 2020-08-11 | 2020-11-17 | 中化明达(福建)地质勘测有限公司 | Static sounding device for geotechnical engineering and probe rod inserting method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102926685A (en) * | 2012-11-23 | 2013-02-13 | 吉林大学 | All-hydraulic automatic drilling tool conveying device for deep-well drilling rig |
| CN203939463U (en) * | 2014-06-15 | 2014-11-12 | 武汉市元博智能控制技术研究设计院（有限合伙） | A kind of novel hydraulic dynamic catwalk |
| CN203978333U (en) * | 2014-08-13 | 2014-12-03 | 吉林大学 | A kind of chain-drive drilling tool delivery device |
| CN204200122U (en) * | 2014-11-06 | 2015-03-11 | 四川宏华石油设备有限公司 | A kind of rack-and-pinion churn dynamic catwalk |
| CN205370473U (en) * | 2016-02-19 | 2016-07-06 | 青岛科技大学 | Device is sent to offshore drilling platform's worm drive formula drilling tool |
-
2016
- 2016-02-19 CN CN201610092069.0A patent/CN105507831B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102926685A (en) * | 2012-11-23 | 2013-02-13 | 吉林大学 | All-hydraulic automatic drilling tool conveying device for deep-well drilling rig |
| CN203939463U (en) * | 2014-06-15 | 2014-11-12 | 武汉市元博智能控制技术研究设计院（有限合伙） | A kind of novel hydraulic dynamic catwalk |
| CN203978333U (en) * | 2014-08-13 | 2014-12-03 | 吉林大学 | A kind of chain-drive drilling tool delivery device |
| CN204200122U (en) * | 2014-11-06 | 2015-03-11 | 四川宏华石油设备有限公司 | A kind of rack-and-pinion churn dynamic catwalk |
| CN205370473U (en) * | 2016-02-19 | 2016-07-06 | 青岛科技大学 | Device is sent to offshore drilling platform's worm drive formula drilling tool |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106121558A (en) * | 2016-08-04 | 2016-11-16 | 山东拓博节能科技有限公司 | Multi-function chain type transmits hydraulic leg |
| CN106948773A (en) * | 2017-05-26 | 2017-07-14 | *** | Drilling tool helmet conveyer |
| CN109025857A (en) * | 2017-06-08 | 2018-12-18 | 天津市东方先科石油机械有限公司 | A kind of drilling rod and casing storage system |
| CN109025857B (en) * | 2017-06-08 | 2021-05-04 | 天津市东方先科石油机械有限公司 | Drill rod and casing storage system |
| CN108271481A (en) * | 2017-08-14 | 2018-07-13 | 枣庄海纳科技有限公司 | The seeding apparatus with bud potato kind for tuber crops |
| CN109292356A (en) * | 2018-11-08 | 2019-02-01 | 江苏众利达自动化设备有限公司 | It is a kind of can automatic discharging conveying mechanism |
| CN111945699A (en) * | 2020-08-11 | 2020-11-17 | 中化明达(福建)地质勘测有限公司 | Static sounding device for geotechnical engineering and probe rod inserting method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105507831B (en) | 2018-08-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105507831A (en) | Screw-driven drilling tool delivery device of offshore drilling platform | |
| CN102335957B (en) | Concrete building block cutting device | |
| CN104140037B (en) | Wallboard Lift-on/Lift-off System | |
| CN101293624A (en) | Stacking machine | |
| CN110486066B (en) | One-way motor driven automatic resin anchoring agent and anchor cable filling and cutting mechanism | |
| CN203581979U (en) | Automatic plate supplying machine | |
| CN105545229A (en) | Gear rack type drilling tool transferring device | |
| CN205370473U (en) | Device is sent to offshore drilling platform's worm drive formula drilling tool | |
| CN102556814B (en) | Intelligent compensation device for elongation quantity of cage carrying rope and intelligent compensation method thereof | |
| CN102601087A (en) | Scissor pipeline robot putting and withdrawing device | |
| CN101862952B (en) | Shaft station hydraulic bracket replacing facility | |
| CN102086002A (en) | Miniature battery jar crane | |
| CA2666639A1 (en) | A 3-pillar pumping unit driven by compound permanent-magnet motor & its fabrication method | |
| CN117945283A (en) | House construction lifting device | |
| CN201228216Y (en) | Stacking machine | |
| CN205370474U (en) | Rack and pinion formula drilling tool transporting device | |
| CN114180483B (en) | Tool for vertical hoisting of indoor movable | |
| CN111807090B (en) | Gas cylinder unloading device | |
| CN102352698A (en) | Pit type hydraulic drive stereo garage | |
| CN205349254U (en) | Flexible conveyor of drilling rod liftable of offshore oil production platform | |
| CN205222496U (en) | Dynamic brake equipment's of hoist driving brake frame | |
| CN2888067Y (en) | Pumping unit | |
| CN207420167U (en) | A kind of multi-storied garage lifting device for possessing safe anti-falling function | |
| CN207453577U (en) | A kind of stereo garage elevator structure of wire rope pulley combination traction | |
| CN203938366U (en) | Wallboard Lift-on/Lift-off System |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |