CN107191136A - A kind of intelligent construction construction rock drilling device - Google Patents
A kind of intelligent construction construction rock drilling device Download PDFInfo
- Publication number
- CN107191136A CN107191136A CN201710600070.4A CN201710600070A CN107191136A CN 107191136 A CN107191136 A CN 107191136A CN 201710600070 A CN201710600070 A CN 201710600070A CN 107191136 A CN107191136 A CN 107191136A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- rock drilling
- drilling device
- construction
- surge tank
- 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
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
Abstract
The invention discloses a kind of intelligent construction construction rock drilling device, including fixed case, telescopic cylinder is fixedly connected with the top of fixed chamber interior wall, the bottom of telescopic cylinder is fixedly connected with device for exerting, the bottom of device for exerting is fixedly connected with movable plate, the centre of movable plate bottom is fixedly connected with rock drilling device, the bottom of rock drilling device is fixedly connected with drilling rod, the inside of drilling rod is fixedly connected with pressure sensor, the side of fixed case is fixedly connected with control cabinet, the side of control chamber interior wall is fixedly connected with power module, is related to construction technical field.The intelligent construction construction rock drilling device, the speed for solving present rock borer rock drilling is slow, and can not intellectualized detection drilling rod born pressure the problem of, the rock drilling effect that people want is reached, improve the operating efficiency of rock drilling, the work load of people is alleviated, the substantial amounts of time has been saved.
Description
Technical field
The present invention relates to construction technical field, specially a kind of intelligent construction construction rock drilling device.
Background technology
Rock borer is the instrument for direct quarrying stone.Its Drilling on rock stratum goes out borehole, goes to fry to be put into explosive
Rock is opened, so as to complete quarrying stone or other stoneworks.In addition, rock borer can also transform destructor into, for crushing coagulation
The solid bed of soil etc, rock borer is the impact piston that impact drill steel is driven by a petrol engine, utilizes the rotation of ratchet
Drill steel is set to be rotating impact rock on rock, the up and down motion of impact piston, the gas of discharge enters in drill steel centre bore,
Outside the powder blowout hole of impact rock, the hard alloy drill equipped with a 28-40mm as needed below drill steel, according to rock
Different hardness, be equipped with different hardness alloy drill bit.The size in hole as needed, changes various sizes of alloy drill bit, fits
Together in the drilling of various mines, explosion.
In practice of construction, the speed of present rock borer rock drilling is slow, and can not intellectualized detection drilling rod born
Pressure, does not reach the rock drilling effect that people want, reduces the operating efficiency of rock drilling, add the work load of people, wastes
Substantial amounts of time is in rock drilling.
The content of the invention
In view of the shortcomings of the prior art, the invention provides a kind of intelligent construction construction rock drilling device, solve existing
Rock borer rock drilling speed it is slow, and can not intellectualized detection drilling rod born pressure the problem of.
To realize object above, the present invention is achieved by the following technical programs：
It is fixedly connected at the top of a kind of intelligent construction construction rock drilling device, including fixed case, the fixed chamber interior wall
There is telescopic cylinder, the bottom of the telescopic cylinder is fixedly connected with device for exerting, and the bottom of device for exerting is fixedly connected with
Movable plate, and the centre of movable plate bottom is fixedly connected with rock drilling device, and the bottom of the rock drilling device is fixedly connected with brill
Bar, and the inside of drilling rod is fixedly connected with pressure sensor, and the side of the fixed case is fixedly connected with control cabinet, and controls
The side of chamber interior wall processed is fixedly connected with power module, and the opposite side of the control chamber interior wall is fixedly connected with central processing unit,
And button is fixedly connected with the top of control cabinet, the side of the fixed case is fixedly connected with controlling switch.
It is preferred that, the rock drilling device includes surge tank, and the top of surge tank is fixedly connected with the bottom of movable plate,
The first motor is fixedly connected with by fixed seat between the both sides of the damping chamber interior wall, the output shaft of first motor passes through
Shaft coupling is fixedly connected with the first belt pulley, and the surface of the first belt pulley is connected with the second belt pulley by belt transmission,
And the back side of the second belt pulley is fixedly connected with cam, and the middle part of cam is fixed by the inwall of support column and surge tank
Connection, the surface drive of the cam is connected with portable plate, and the bottom of portable plate is fixedly connected with the second electricity by support
Machine, the output shaft of second motor is fixedly connected with rotating shaft by shaft coupling, and the bottom of the rotating shaft is run through surge tank and prolonged
The outside of surge tank is extended, one end that the rotating shaft is extended to outside surge tank is fixedly connected with drilling rod.
It is preferred that, the device for exerting includes casing, and the top of casing is fixedly connected with the bottom of telescopic cylinder, institute
The side for stating cabinet wall is fixedly connected with the 3rd motor, and the output shaft of the 3rd motor is fixedly connected with spiral shell by shaft coupling
Rasp bar, the two ends on the threaded rod surface are threaded with movable block, and the surface of movable block rotates company by movable part
Rotating bar is connected to, the one end of the rotating bar away from movable block is rotatably connected to bottom plate, and the bottom of bottom plate by movable part
It is fixedly connected with the top of movable plate.
It is preferred that, the output end of the pressure sensor and the input of data comparator are connected, and data comparator
Output end and the input of feedback module connect, the input of the output end of the button and feedback module with central processing unit
End connection, and input of the output end respectively with telescopic cylinder, data comparator and the 3rd motor of central processing unit be connected.
It is preferred that, the input of the output end of the power module respectively with pressure sensor, button and central processing unit
It is electrically connected with.
It is preferred that, the both sides of the fixed chamber interior wall offer the first chute, and the both sides of casing and movable plate are equal
It is connected by sliding block with the first slide.
It is preferred that, the second chute is offered at the top of the cabinet wall, and the top of movable block passes through sliding block and
Two slides are connected, and the both sides of the damping chamber interior wall offer the 3rd chute, and the both sides of portable plate pass through cunning
Block is connected with the 3rd slide.
It is preferred that, the both sides of the fixed case have been fixedly connected with support feet, and the bottom of support feet is fixedly connected with
Vibration damper plate.
The invention provides a kind of intelligent construction construction rock drilling device.Possesses following beneficial effect：
(1), intelligent construction construction rock drilling device, by being fixedly connected with flexible gas at the top of fixed chamber interior wall
Cylinder, the bottom of telescopic cylinder is fixedly connected with device for exerting, and the bottom of device for exerting is fixedly connected with movable plate, and moves
The centre of dynamic plate bottom is fixedly connected with rock drilling device, and the bottom of rock drilling device is fixedly connected with drilling rod, and the inside of drilling rod
Pressure sensor is fixedly connected with, the side of fixed case is fixedly connected with control cabinet, and controls the side of chamber interior wall to fix and connected
Power module is connected to, the opposite side of control chamber interior wall is fixedly connected with central processing unit, solves present rock borer rock drilling
Speed is slow, and can not intellectualized detection drilling rod born pressure the problem of, reached the rock drilling effect that people want, improved
The operating efficiency of rock drilling, alleviates the work load of people, has saved the substantial amounts of time.
(2), the intelligent construction construction rock drilling device, pressure sensor is fixedly connected with by the inside of drilling rod, electricity
The output end of source module is electrically connected with the input of pressure sensor, button and central processing unit respectively, and good control is bored
The power that bar is born, it is to avoid answer pressure excessive two to cause the fracture of drilling rod, causes certain economic loss, helps people to solve
The problem of rock borer is easily damaged.
(3), intelligent construction construction rock drilling device, by being fixedly connected with flexible gas at the top of fixed chamber interior wall
Cylinder, the bottom of telescopic cylinder is fixedly connected with device for exerting, and the bottom of device for exerting is fixedly connected with movable plate, and moves
The centre of dynamic plate bottom is fixedly connected with rock drilling device, and people can more quickly and easily operate rock borer, extend rock drilling
The service life of machine, this device structure is simple, easy to operate.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the structural representation of rock drilling device of the present invention；
Fig. 3 is the structural representation of device for exerting of the present invention；
Fig. 4 is present system theory diagram.
In figure：1 fixed case, 2 telescopic cylinders, 3 device for exerting, 31 casings, 32 the 3rd motors, 33 threaded rods, 34 movable blocks,
35 rotating bars, 36 bottom plates, 4 movable plates, 5 rock drilling devices, 51 surge tanks, 52 first motors, 53 first belt pulleys, 54 second belts
In wheel, 55 cams, 56 portable plates, 57 second motors, 58 rotating shafts, 6 drilling rods, 7 pressure sensors, 8 control cabinets, 9 power modules, 10
Central processor, 11 buttons, 12 controlling switches, 13 data comparators, 14 feedback modules, 15 first chutes, 16 second chutes, 17
Three chutes, 18 support feets.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1-4 are referred to, the embodiment of the present invention provides a kind of technical scheme：
A kind of intelligent construction construction rock drilling device, including fixed case 1, the both sides of fixed case 1 have been fixedly connected with branch
Spike 18, and the bottom of support feet 18 is fixedly connected with vibration damper plate, and the both sides of the inwall of fixed case 1 offer the first chute
15, and the both sides of casing 31 and movable plate 4 are slidably connected by sliding block with the first chute 15, the top of the inwall of fixed case 1
Telescopic cylinder 2 is fixedly connected with, the bottom of telescopic cylinder 2 is fixedly connected with device for exerting 3, and device for exerting 3 includes casing 31, case
The second chute 16 is offered at the top of the inwall of body 31, and company is slided in the top of movable block 34 by sliding block and the second chute 16
Connect, the both sides of the inwall of surge tank 51 offer the 3rd chute 17, and the vibration-absorptive material of surge tank 51 makes, with certain damping work(
Can, and the both sides of portable plate 56 are slidably connected by sliding block with the 3rd chute 17, and the top of casing 31 and flexible gas
The bottom of cylinder 2 is fixedly connected, and the side of the inwall of casing 31, which is fixedly connected with the 3rd motor 32, the 3rd motor 32, is provided with deceleration
Device, the 3rd motor 32 is threephase asynchronous, and the output shaft of the 3rd motor 32 is fixedly connected with screw thread by shaft coupling
It is in reverse double thread structure on bar 33, threaded rod 33, the two ends on the surface of threaded rod 33 are threaded with movable block 34, and move
The surface of motion block 34 is rotatably connected to rotating bar 35 by movable part, and the one end of rotating bar 35 away from movable block 34 passes through movable part
Bottom plate 36 is rotatably connected to, and the bottom of bottom plate 36 is fixedly connected with the top of movable plate 4, and the bottom of device for exerting 3
Movable plate 4 is fixedly connected with, and the centre of the bottom of movable plate 4 is fixedly connected with rock drilling device 5, and rock drilling device 5 includes damping
Case 51, and the top of surge tank 51 is fixedly connected with the bottom of movable plate 4, and fixation is passed through between the both sides of the inwall of surge tank 51
Seat is fixedly connected with the first motor 52, and the output shaft of the first motor 52 is fixedly connected with the first belt pulley 53 by shaft coupling, and
And first the surface of belt pulley 53 the second belt pulley 54 is connected with by belt transmission, and the back side of the second belt pulley 54 is fixed
Cam 55 is connected with, and the middle part of cam 55 is fixedly connected by support column with the inwall of surge tank 51, the surface of cam 55
Portable plate 56 is connected with, and the bottom of portable plate 56 is fixedly connected with the second motor 57, the second motor 57 by support
Output shaft rotating shaft 58 is fixedly connected with by shaft coupling, rotating shaft 58 bottom is through surge tank 51 and extends to surge tank 51
Outside, one end that rotating shaft 58 is extended to outside surge tank 51 is fixedly connected with drilling rod 6, and the bottom of rock drilling device 5 is fixedly connected with
Drilling rod 6, and the inside of drilling rod 6 is fixedly connected with pressure sensor 7, the model PTG501 of pressure sensor 7, pressure sensing
The output end of device 7 is connected with the input of data comparator 13, and the output end and feedback module 14 of data comparator 13
Input of the output end of input connection, button 11 and feedback module 14 with central processing unit 10 is connected, central processing unit
10 model ARM9, and central processing unit 10 output end respectively with telescopic cylinder 2, the motor of data comparator 13 and the 3rd
32 input connection, the side of fixed case 1 is fixedly connected with control cabinet 8, and the side of the inwall of control cabinet 8 is fixedly connected with
Power module 9, the input of the output end of power module 9 respectively with pressure sensor 7, button 11 and central processing unit 10 is electrical
Connection, the opposite side of the inwall of control cabinet 8 is fixedly connected with central processing unit 10, and control cabinet 8 top be fixedly connected with by
Key 11, the side of fixed case 1 is fixedly connected with controlling switch 12, and the speed for solving present rock borer rock drilling is slow, and can not
The problem of pressure that enough intellectualized detection drilling rods are born, the rock drilling effect that people want is reached, improved the work effect of rock drilling
Rate, alleviates the work load of people, has saved the substantial amounts of time.
Before work, the maximum pressure that can bear according to drilling rod 6, using this this maximum pressure value as detection mark
Quasi- value, then inputs central processing unit 10, central processing unit 10 is again by pressure report by button 11 by pressure alarm range threshold
Alert range threshold is inputted to data comparator 13, is used as data fiducial value.
During work, powered by power module 9 to central processing unit 10, button 11 and pressure sensor 7, by starting the
Two motors 57 and the first motor 52, the second motor 57 drive drilling rod 6 to start rock drilling, and the first motor 52 passes through the He of the first belt pulley 53
Second belt pulley 54 is rotated with moving cam 55, and cam 55 drives portable plate 56 to move up and down, and portable plate 56 drives the second motor 57
Move up and down, so as to drive the mobile carry out rock drilling of drilling rod 6 by a small margin, improve the effect and speed of rock drilling, pass through the 3rd electricity
Machine 32 starts, and the 3rd motor 32 drives threaded rod 33 to rotate, and threaded rod 33 drives movable block 34 to be drawn close to centre, and movable block 34 leads to
Crossing rotating bar 35 drives bottom plate to move down, and bottom plate 36 drives movable plate 4 to move down, and pressure is applied to drilling rod 6, improves rock drilling
Speed, when apart from it is inadequate when, can detect that drilling rod 6 is held by pressure sensor 7 by telescopic cylinder 2 come command range
The pressure value of detection is delivered in data comparator 13 and is compared with critical field value by the pressure received, pressure sensor 7, if
Higher than critical field value, illustrate to have arrived the maximum pressure value that drilling rod 6 can bear, the 3rd is controlled by central processing unit 10
Motor 32 and telescopic cylinder 2 are stopped.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions.By sentence " including one ... the key element limited, it is not excluded that
Also there is other identical element in the process including the key element, method, article or equipment ".
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of intelligent construction construction rock drilling device, including fixed case (1), it is characterised in that：Fixed case (1) inwall
Top be fixedly connected with telescopic cylinder (2), the bottom of the telescopic cylinder (2) is fixedly connected with device for exerting (3), and applies
The bottom of pressure device (3) is fixedly connected with movable plate (4), and the centre of movable plate (4) bottom is fixedly connected with rock drilling device
(5), the bottom of the rock drilling device (5) is fixedly connected with drilling rod (6), and the inside of drilling rod (6) is fixedly connected with pressure biography
Sensor (7), the side of the fixed case (1) is fixedly connected with control cabinet (8), and company is fixed in the side of control cabinet (8) inwall
Power module (9) is connected to, the opposite side of control cabinet (8) inwall is fixedly connected with central processing unit (10), and control cabinet
(8) button (11) is fixedly connected with the top of, the side of the fixed case (1) is fixedly connected with controlling switch (12).
2. a kind of intelligent construction construction rock drilling device according to claim 1, it is characterised in that：The rock drilling device
(5) surge tank (51) is included, and the top of surge tank (51) is fixedly connected with the bottom of movable plate (4), the surge tank
(51) the first motor (52) is fixedly connected with by fixed seat between the both sides of inwall, the output shaft of first motor (52) leads to
Cross shaft coupling and be fixedly connected with the first belt pulley (53), and the surface of the first belt pulley (53) is connected with by belt transmission
Two belt pulleys (54), and the back side of the second belt pulley (54) is fixedly connected with cam (55), and the middle part of cam (55) leads to
The inwall that support column is crossed with surge tank (51) is fixedly connected, and the surface drive of the cam (55) is connected with portable plate (56), and
And the bottom of portable plate (56) is fixedly connected with the second motor (57) by support, the output shaft of second motor (57) passes through
Shaft coupling is fixedly connected with rotating shaft (58), and the bottom of the rotating shaft (58) runs through surge tank (51) and extends to surge tank (51)
Outside, the rotating shaft (58) extends to the outside one end of surge tank (51) and is fixedly connected with drilling rod (6).
3. a kind of intelligent construction construction rock drilling device according to claim 1, it is characterised in that：The device for exerting
(3) casing (31) is included, and the top of casing (31) is fixedly connected with the bottom of telescopic cylinder (2), in the casing (31)
The side of wall is fixedly connected with the 3rd motor (32), and the output shaft of the 3rd motor (32) is fixedly connected with spiral shell by shaft coupling
Rasp bar (33), the two ends on threaded rod (33) surface are threaded with movable block (34), and the surface of movable block (34)
Rotating bar (35) is rotatably connected to by movable part, the one end of the rotating bar (35) away from movable block (34) is turned by movable part
It is dynamic to be connected with bottom plate (36), and bottom plate (36) bottom with being fixedly connected at the top of movable plate (4).
4. a kind of intelligent construction construction rock drilling device according to claim 1, it is characterised in that：The pressure sensing
The output end of device (7) is connected with the input of data comparator (13), and the output end and feedback mould of data comparator (13)
Input of the output end of the input connection of block (14), the button (11) and feedback module (14) with central processing unit (10)
End connection, and central processing unit (10) output end respectively with telescopic cylinder (2), data comparator (13) and the 3rd motor
(32) input connection.
5. a kind of intelligent construction construction rock drilling device according to claim 1, it is characterised in that：The power module
(9) output end is electrically connected with the input of pressure sensor (7), button (11) and central processing unit (10) respectively.
6. a kind of intelligent construction construction rock drilling device according to claim 1, it is characterised in that：The fixed case
(1) both sides of inwall offer the first chute (15), and the both sides of casing (31) and movable plate (4) pass through sliding block and
One chute (15) is slidably connected.
7. a kind of intelligent construction construction rock drilling device according to claim 1, it is characterised in that：The casing (31)
The second chute (16) is offered at the top of inwall, and company is slided in the top of movable block (34) by sliding block and the second chute (16)
Connect, the both sides of surge tank (51) inwall offer the 3rd chute (17), and the both sides of portable plate (56) pass through cunning
Block is slidably connected with the 3rd chute (17).
8. a kind of intelligent construction construction rock drilling device according to claim 1, it is characterised in that：The fixed case
(1) both sides have been fixedly connected with support feet (18), and the bottom of support feet (18) is fixedly connected with vibration damper plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710600070.4A CN107191136B (en) | 2017-07-21 | 2017-07-21 | Rock drilling device is used in a kind of construction of intelligent construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710600070.4A CN107191136B (en) | 2017-07-21 | 2017-07-21 | Rock drilling device is used in a kind of construction of intelligent construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107191136A true CN107191136A (en) | 2017-09-22 |
| CN107191136B CN107191136B (en) | 2019-08-06 |
Family
ID=59884842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710600070.4A Active CN107191136B (en) | 2017-07-21 | 2017-07-21 | Rock drilling device is used in a kind of construction of intelligent construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107191136B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108343379A (en) * | 2018-02-12 | 2018-07-31 | 谢名英 | A kind of rare earth mining drilling equipment |
| CN108590549A (en) * | 2018-04-25 | 2018-09-28 | 宁波市鄞州区丰余工业产品设计有限公司 | A kind of oil exploration equipment |
| CN108927549A (en) * | 2018-08-10 | 2018-12-04 | 广州益鸟科技有限公司 | A kind of transformer casing material of high temperature resistant and low temperature |
| CN108971562A (en) * | 2018-08-10 | 2018-12-11 | 广州益鸟科技有限公司 | A kind of transformer casing material of modified high temperature resistant and low temperature |
| CN109047859A (en) * | 2018-08-10 | 2018-12-21 | 广州益鸟科技有限公司 | A kind of transformer casing material of novel fire resistant and low temperature |
| CN109184681A (en) * | 2018-05-09 | 2019-01-11 | 戴翔 | A kind of ore extraction chisel pick device |
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| CN104818950A (en) * | 2015-05-08 | 2015-08-05 | 中国石油集团西部钻探工程有限公司 | Swabbing truck derrick workbench |
| CN206111097U (en) * | 2016-09-05 | 2017-04-19 | 中国建筑第八工程局有限公司 | Simple and easy building engineering is with drilling support |
| CN108005578A (en) * | 2017-12-23 | 2018-05-08 | 郑州国知网络技术有限公司 | A kind of gear regulating type various dimensions mining drilling equipment |
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| CN2654843Y (en) * | 2003-10-12 | 2004-11-10 | 浙江大学 | Twin guide rail twin hydraulic cylinder deep sea core drill |
| CN201165847Y (en) * | 2008-01-31 | 2008-12-17 | 山东交院机械厂 | Rack pillar support pneumatic drilling machine |
| KR20150001137A (en) * | 2013-06-26 | 2015-01-06 | 다주건설 (주) | Horizontal well drilling device having oil pressure cylinder |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108343379A (en) * | 2018-02-12 | 2018-07-31 | 谢名英 | A kind of rare earth mining drilling equipment |
| CN108590549A (en) * | 2018-04-25 | 2018-09-28 | 宁波市鄞州区丰余工业产品设计有限公司 | A kind of oil exploration equipment |
| CN108590549B (en) * | 2018-04-25 | 2019-04-02 | 江苏明宇石油机械有限公司 | A kind of oil exploration equipment |
| CN109184681A (en) * | 2018-05-09 | 2019-01-11 | 戴翔 | A kind of ore extraction chisel pick device |
| CN109184681B (en) * | 2018-05-09 | 2019-12-06 | 诸暨天雅科技有限公司 | Ore mining is with chisel digging device |
| CN108927549A (en) * | 2018-08-10 | 2018-12-04 | 广州益鸟科技有限公司 | A kind of transformer casing material of high temperature resistant and low temperature |
| CN108971562A (en) * | 2018-08-10 | 2018-12-11 | 广州益鸟科技有限公司 | A kind of transformer casing material of modified high temperature resistant and low temperature |
| CN109047859A (en) * | 2018-08-10 | 2018-12-21 | 广州益鸟科技有限公司 | A kind of transformer casing material of novel fire resistant and low temperature |
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| Publication number | Publication date |
|---|---|
| CN107191136B (en) | 2019-08-06 |
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