CN113863845A - Rotary drilling rig convenient for disassembling and assembling protective cylinder - Google Patents

Rotary drilling rig convenient for disassembling and assembling protective cylinder Download PDF

Info

Publication number
CN113863845A
CN113863845A CN202111080435.8A CN202111080435A CN113863845A CN 113863845 A CN113863845 A CN 113863845A CN 202111080435 A CN202111080435 A CN 202111080435A CN 113863845 A CN113863845 A CN 113863845A
Authority
CN
China
Prior art keywords
bolt
assembly
rotary drilling
bevel gear
casing
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
Application number
CN202111080435.8A
Other languages
Chinese (zh)
Other versions
CN113863845B (en
Inventor
李永峰
李科
柏庆宝
吴定坤
曾佳明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Communication South Road and Bridge Co Ltd
Original Assignee
China Communication South Road and Bridge Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Communication South Road and Bridge Co Ltd filed Critical China Communication South Road and Bridge Co Ltd
Priority to CN202111080435.8A priority Critical patent/CN113863845B/en
Priority claimed from CN202111080435.8A external-priority patent/CN113863845B/en
Publication of CN113863845A publication Critical patent/CN113863845A/en
Application granted granted Critical
Publication of CN113863845B publication Critical patent/CN113863845B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B3/00Rotary drilling
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B12/00Accessories for drilling tools

Abstract

The invention relates to the technical field of rotary drilling rigs, in particular to a rotary drilling rig with a protective cylinder convenient to disassemble and assemble, which comprises: the screw rod type pile comprises a pile casing, a plurality of screw rods and a plurality of screw rods, wherein one side of the pile casing is fixedly provided with the plurality of screw rods; the pressing closing components are arranged in the protective cylinders, correspond to the screw rods one by one, and are used for connecting and assembling the protective cylinders and converting pressing force; the bolt connecting assembly is arranged on one side of the pile casings and used for connecting and fixing bolts among the pile casings; the separation driving assembly is arranged at one end of the pressing closing assembly in the pile casing and is used for separating the pile casings; the pressing closing assembly is connected with the bolt connecting assembly; when connecting protecting a section of thick bamboo, the dead weight that utilizes protecting a section of thick bamboo makes the connecting piece that sets up in protecting a section of thick bamboo to protecting a section of thick bamboo and connect, when separating, utilizes the connecting piece that protects the inside setting of a section of thick bamboo, drives externally with the driving piece, completion separation work that can be quick.

Description

Rotary drilling rig convenient for disassembling and assembling protective cylinder
Technical Field
The invention relates to the technical field of rotary drilling rigs, in particular to a rotary drilling rig with a protective cylinder convenient to disassemble and assemble.
Background
With the vigorous construction of infrastructures such as highways, highways and the like in China, the rotary drilling rig is rapidly developed and widely applied, and in order to protect the rotary drilling rig, a protective cylinder is arranged on the outer side of the rotary drilling rig to protect the rotary drilling rig when the rotary drilling rig is used. Because the difference of construction geology condition, the casing length that generally requires to set down will be greater than 3 meters, more has the condition that needs casing length to reach tens meters, consequently, need to set up the multisection and protect a section of thick bamboo and just can guarantee the normal clear of construction, when establishing a casing down, how quick carry out the dismouting to protecting a section of thick bamboo and connect and become a great problem.
The existing pile casing connecting mode is simple, welding treatment is usually carried out on the connecting position of the pile casing through manual work, so that the length of the pile casing is lengthened, but the pile casing connecting mode consumes time and labor, a large amount of manpower and material resources are required to be consumed, and the engineering construction progress is influenced.
Therefore, a rotary drilling rig with a protective cylinder convenient to disassemble and assemble is provided to solve the problems.
Disclosure of Invention
The invention aims to provide a rotary drilling rig with a protective cylinder convenient to disassemble and assemble, and aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a rotary drilling rig convenient for dismounting and mounting a protective cylinder comprises: the screw rod type pile comprises a pile casing, a plurality of screw rods and a plurality of screw rods, wherein one side of the pile casing is fixedly provided with the plurality of screw rods;
the pressing closing components are arranged in the protective cylinders, correspond to the screw rods one by one, and are used for connecting and assembling the protective cylinders and converting pressing force;
the bolt connecting assembly is arranged on one side of the pile casings and used for connecting and fixing bolts among the pile casings;
the separation driving assembly is arranged at one end of the pressing closing assembly in the pile casing and is used for separating the pile casings;
press closed component and bolted connection subassembly to it is connected fixedly to drive bolted connection subassembly work to protect a section of thick bamboo, the one end tip at pressing closed component is installed to the separation drive subassembly, the separation drive subassembly during operation drives and presses closed component and bolted connection subassembly work, and the section of thick bamboo that protects of conveniently connecting separates.
Compared with the prior art, the invention has the beneficial effects that:
when the device is used for connecting the pile casings, the closing assembly is pressed to work by utilizing the self gravity of the pile casings, so that rotating force is generated and the bolt connecting assembly is driven to work to connect and fix the adjacent pile casings, and the pile casings can be conveniently and quickly connected; when protecting a separation, utilize the separation driving piece to drive to press closing assembly and bolt coupling assembling antiport work protecting a section of thick bamboo one side to make the connecting piece work of protecting between the section of thick bamboo, accomplish the separation of protecting a section of thick bamboo, make the dismouting work of protecting a section of thick bamboo convenient rapidly, improved work efficiency.
Drawings
Fig. 1 is a front view of a rotary drilling rig with a protective cylinder convenient to disassemble and assemble.
Fig. 2 is a front sectional view of a casing of a rotary drilling rig, which facilitates the disassembly and assembly of the casing.
FIG. 3 is a top view of a rotary drilling rig with a protective casing convenient to disassemble and assemble.
Fig. 4 is a schematic diagram of a top structure of a casing of a rotary drilling rig with the casing being convenient to disassemble and assemble.
Fig. 5 is a partial cross-sectional view of the inside of a casing of a rotary drilling rig, which facilitates the disassembly and assembly of the casing.
FIG. 6 is a top view of a star wheel of the rotary drilling rig with the protective cylinder convenient to disassemble and assemble.
FIG. 7 is a top cross-sectional view of a casing of a rotary drilling rig with the casing being easily disassembled.
In the figure: 1-casing, 2-projection, 3-concave platform, 4-screw, 5-empty groove, 6-thread sleeve, 7-first transmission rod, 8-first bevel gear, 9-second bevel gear, 10-second transmission rod, 11-third bevel gear, 12-fourth bevel gear, 13-first transmission rod, 14-bolt, 15-fifth bevel gear, 16-second transmission rod, 17-star gear, 18-inner groove, 19-tension spring, 20-wall plate, 21-bolt hole, 22-cabin door, 23-third transmission rod, 24-pulley, 25-belt, 26-worm gear, 27-press closing component, 28-bolt connecting component, 29-wall plate knocking component and 30-separation driving component.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
Referring to fig. 1 and 5, in an embodiment of the present invention, a rotary drilling rig facilitating a protective casing to be disassembled and assembled includes: the protective cylinder 1 is characterized in that a plurality of screw rods 4 are fixedly arranged on one side of the protective cylinder 1;
the pressing closing components 27 are arranged inside the pile casings 1, correspond to the screw rods 4 one by one, and are used for connecting and assembling the pile casings 1 and converting pressing force;
the bolt connecting assembly 28 is arranged on one side of the pile casing 1 and used for connecting and fixing bolts among the pile casings 1;
a separation driving assembly 30 provided at one end of the pressing closing assembly 27 inside the casing 1 for separation work between the casings 1;
press closed component 27 and be connected with bolt coupling assembling 28 to it connects fixedly to protect a section of thick bamboo 1 to drive bolt coupling assembling 28 work, separation drive assembly 30 installs the one end tip of pressing closed component 27, separation drive assembly 30 during operation drives and presses closed component 27 and bolt coupling assembling 28 work, and the section of thick bamboo 1 that protects of conveniently connecting separates.
In this embodiment, when needs carry out the erection joint to protecting a section of thick bamboo 1, at first aim at from top to bottom protecting a section of thick bamboo 1 that will connect, then utilize the self gravity whereabouts of protecting a section of thick bamboo 1 on upper portion, press closure member 27 and screw rod 4 cooperation this moment, and then make and press closure member 27 and produce drive power, drive bolt coupling assembling 28 work, thereby make and protect and accomplish connection work between the section of thick bamboo 1, when protecting a section of thick bamboo 1 and split, utilize separation drive assembly 30 to drive and press closure member 27 and bolt coupling assembling 28 antiport, thereby accomplish the separation work who protects a section of thick bamboo 1, make the split installation of protecting a section of thick bamboo 1 quick convenient.
In this embodiment, the casing 1 on one side of the screw rod 4 is provided with an inner concave platform 3, the screw rod 4 is fixed in the inner concave platform 3, the other end of the casing 1 opposite to the screw rod 4 is provided with a protrusion 2, and the protrusion 2 is matched with the inner concave platform 3.
Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, in the present embodiment, the press closing component 27 includes:
the screw sleeve 6 is arranged inside the protective cylinder 1 and corresponds to the screw rod 4, and a first transmission rod 7 is fixedly connected to one side of the shaft sleeve 6;
the first bevel gear 8 is fixedly connected with the threaded sleeve 6 and used for receiving the rotating force of the shaft sleeve 6 and performing steering transmission on the rotating force;
a transmission assembly, one end of the transmission assembly is connected with the first bevel gear 8, the other end of the transmission assembly is connected with the bolt connection assembly 28, and the transmission assembly is used for transmitting the rotating force of the pressing closing assembly 27 to drive the bolt connection assembly 28 to work, and comprises: the second bevel gear 9 is meshed with the first bevel gear 8, one side of the second bevel gear 9 is fixedly connected with a second transmission rod 10, the other end of the second transmission rod 10 is fixedly provided with a third bevel gear 11, and one side of the third bevel gear 11 is respectively meshed with a fourth bevel gear 12 and a fifth bevel gear 15.
In this embodiment, when the protection tube 1 is connected, the protection tube 1 to be connected is aligned up and down, then the screw rod 4 is matched with the threaded sleeve 6, at this time, the protection tube 1 falls under gravity, so that the screw rod 4 and the threaded sleeve 6 rotate relatively, the screw rod 4 is fixed on the protection tube 1, so that the threaded sleeve 6 rotates, the threaded sleeve 6 rotates to drive the first transmission rod 7 to rotate, further the first bevel gear 8 at the other end of the first transmission rod 7 rotates, the first bevel gear 8 rotates to drive the second bevel gear 9 to rotate, further the second bevel gear 9 drives the second transmission rod 10 to rotate, and the third bevel gear 11 at the other end of the second transmission rod 10 is driven to rotate therewith, further the bolt connection assembly matched with the third bevel gear 11 is driven to work, and connection is performed.
In the present embodiment, the power transmission of the first transmission lever 7 is performed by using a transmission assembly, and other mechanisms such as a pulley or a chain for transmitting a rotational force can be used, which will not be described in detail herein.
Referring to fig. 1, fig. 3, fig. 4 and fig. 5, in the present embodiment, the bolt connecting assembly 28 includes:
the first rotating rod 13 is connected to one side of the transmission assembly in an installing mode;
one end of the bolt 14 is fixedly connected with the first rotating rod 13, and the other end of the bolt 14 penetrates through the casing 1 to the outside of the casing 1;
and the bolt hole 21 is arranged on a cylinder body at the position corresponding to the bolt 14 on the other pile casing 1 and is matched with the bolt 14.
In this embodiment, the fourth bevel gear 12 is meshed with the third bevel gear 11, and the third bevel gear 11 rotates to drive the fourth bevel gear 12 to rotate, so that the fourth bevel gear 12 drives the first rotating rod 13 to rotate, and the first rotating rod 13 rotates to drive the bolt 14 to rotate, so that the bolt 14 is installed in the bolt hole 21 on the casing 1, and the connection work between the casings 1 is completed.
In this embodiment, the screw 4, the bolt 14 and the bolt hole 21 are respectively disposed at two ends of the casing 1 in a surrounding manner with an even angle, and the number of the screw and the bolt is not less than six.
In the embodiment, the length of the bolt 14 is smaller than that of the screw rod 4, so that when the casing 1 is connected, firstly, the screw rod 4 is matched with the threaded sleeve 6 to generate a driving force, so that the bolt connecting assembly 28 rotates, and then the bolt 14 is driven to rotate to complete the connection work; set up the screw rod 4 of being no less than 6 groups and with screw rod complex separation drive assembly for protect the joint strength between 1, guarantee that separation drive assembly can rotate simultaneously and work.
Referring to fig. 1, 5 and 7, in the present embodiment, the separation driving assembly 30 includes:
the third rotating rod 23 is fixedly arranged on one side of the first bevel gear 8;
a worm wheel 26, the worm wheel 26 being fixedly mounted on an end portion of the third rotating lever 23;
the linkage piece is arranged on the third rotating rod 23 between the worm wheel 26 and the first bevel gear 8 and used for driving the bolt connecting component 28 arranged inside the pile casing 1 to synchronously rotate, so that the bolt connecting and separating between the pile casings 1 are realized, and the linkage piece specifically comprises: the belt wheel 24 is fixedly arranged on the third rotating rod 23, a belt 25 is arranged on the belt wheel 24, and the belt 25 is arranged on the belt wheel 24 at one side of each pressing closing component 27 in the casing 1 in a surrounding manner;
the worm wheel 26 is driven by an external device to rotate so as to drive the third rotating rod 23 to rotate, so that the first bevel gear 8 rotates, the first bevel gear 8 rotates to separate the bolt 14 from the bolt hole 21 and separate the thread insert 6 from the screw rod 4, and thus the separation between the pile casings 1 is completed.
In this embodiment, a cabin door 22 is arranged at a position, corresponding to a worm wheel 26, on the casing 1, a belt wheel 24 is fixed in the middle of the third rotating rod 23, a belt 25 is arranged on the belt wheel 24, the belt 25 is arranged in the casing 1 in a surrounding manner, when separation between the casings 1 needs to be performed, the cabin door 22 is opened, a worm is extended from the outside, the worm and the worm wheel 26 are matched and drive the worm to rotate, the worm drives the worm wheel 26 to drive the third rotating rod 23 to rotate, the third rotating rod 23 drives the first bevel gear 8 to rotate when rotating, so that the first bevel gear 8 drives the shaft sleeve 6 and the bolt connecting component 28 at the other side to rotate, and the casings 1 connected together are separated.
In the present embodiment, the linkage includes, but is not limited to, a sprocket and an annular rack, which are cooperatively driven, mainly for making each third rotating rod 23 rotate synchronously, so as to separate the casing 1 from each other, which is not described herein too much.
Referring to fig. 5, in the present embodiment, an inner groove 18 is formed on an inner wall of the casing 1, a wall plate 20 is disposed in the inner groove 18, and a wall plate knocking assembly 29 is disposed on one side of the wall plate and is used for knocking the wall plate 20 to remove soil blocks adhered to the wall plate 20.
Referring to fig. 5 and 6, in the present embodiment, the wall striking assembly 29 includes:
the second rotating rod 16 is fixedly arranged on one side of the transmission assembly and is used for transmitting the transmission force of the transmission assembly so as to drive the second rotating rod 16 to rotate;
the star wheel 17 is fixedly arranged on the second rotating rod 16, is matched with the wall plate 20 and is used for knocking the wall plate 20;
the elastic piece is arranged between the wall plate 20 and the casing 1 and used for movable resetting of the wall plate 20, and the elastic piece is specifically a tension spring 19.
In this embodiment, when casing 1 connects and separates, first bevel gear 8 rotates and drives second bevel gear 9 and rotate, thereby make third bevel gear 11 rotate, third bevel gear 11 drives fifth bevel gear 15 and rotates, thereby make second dwang 16 rotate, second dwang 16 rotates and makes star gear 17 and wallboard 20 intermittent type contact, utilize extension spring 19 to reset wallboard 20 simultaneously, make the soil block that bonds on the wallboard 20 strike the shake by star gear 17 and fall, guarantee the clean and tidy of the inner wall after casing 1 connects and the split, prevent that the soil block from bonding the work of influence rig on the inner wall.
In this embodiment, the elastic member includes, but is not limited to, a spring or an elastic pull string, etc., which are not described herein in detail.
The working principle of the invention is as follows: when the protection cylinders 1 are connected and installed, the protection cylinders 1 to be connected are aligned end to end, the screw rod 4 is aligned with the threaded sleeve 6, then the pressing closing component 27 works by utilizing the dead weight of the protection cylinder 1 on the upper portion, the screw rod 4 is matched with the threaded sleeve 6, the threaded sleeve 6 moves downwards, the threaded sleeve 6 rotates to drive the first transmission rod 7 to rotate, the first transmission rod 7 rotates to drive the first bevel gear 8 to rotate, the first bevel gear 8 rotates to drive the second bevel gear 9 to rotate, the second bevel gear 9 transmits power to the fourth bevel gear 12, the fourth bevel gear 12 rotates to drive the first rotation rod 13 to rotate, the bolt 14 rotates and is screwed in the bolt hole 21 on the protection cylinder 1 on the other side, so that the two protection cylinders 1 are connected and fastened, when the protection cylinders 1 are separated, the cabin door 22 on the protection cylinders 1 is opened, the cabin door 22 extends into the worm gear 26 from the outside to be matched with the worm gear, worm wheel 26 rotates and drives third dwang 23 and rotates, thereby make third dwang 23 drive first bevel gear 8 and rotate, thereby make and press closing member 27 and bolt connection subassembly 28 antiport, realize the connection separation between the casing 1, connecting and the separation in-process, fifth bevel gear 15 rotates and drives star gear 17 bestriding, thereby make star gear 17 strike vibrations to wallboard 20, thereby make the clod on wallboard 20 drop, prevent to influence and dig rig and work in casing 1.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.

Claims (7)

1. A rotary drilling rig convenient for dismounting and mounting a protective cylinder comprises: the protective cylinder is characterized in that a plurality of screws are fixedly arranged on one side of the protective cylinder;
the pressing closing components are arranged in the protective cylinders, correspond to the screw rods one by one, and are used for connecting and assembling the protective cylinders and converting pressing force;
the bolt connecting assembly is arranged on one side of the pile casings and used for connecting and fixing bolts among the pile casings;
the separation driving assembly is arranged at one end of the pressing closing assembly in the pile casing and is used for separating the pile casings;
press closed component and bolted connection subassembly to it is connected fixedly to drive bolted connection subassembly work to protect a section of thick bamboo, the one end tip at pressing closed component is installed to the separation drive subassembly, the separation drive subassembly during operation drives and presses closed component and bolted connection subassembly work, and the section of thick bamboo that protects of conveniently connecting separates.
2. The rotary drilling rig capable of conveniently dismounting and mounting the casing according to claim 1, wherein the pressing and closing assembly comprises:
the screw sleeve is arranged inside the protective cylinder and corresponds to the screw rod in position;
the first bevel gear is fixedly connected with the threaded sleeve and used for receiving the rotating force of the shaft sleeve and performing steering transmission on the rotating force;
and one end of the transmission assembly is connected with the first bevel gear, and the other end of the transmission assembly is connected with the bolt connecting assembly and used for transmitting the rotating force of the pressing closing assembly to drive the bolt connecting assembly to work.
3. The rotary drilling rig convenient for dismounting and mounting the casing according to claim 2, wherein the bolt connecting assembly comprises:
the first rotating rod is installed and connected to one side of the transmission assembly;
one end of the bolt is fixedly connected with the first rotating rod, and the other end of the bolt penetrates through the protective cylinder to the outside of the protective cylinder;
and the bolt hole is arranged on the barrel body at the position corresponding to the bolt on the other protective barrel and is matched with the bolt.
4. The rotary drilling rig convenient for dismounting and mounting the casing according to claim 3, wherein the screw rods, the bolts and the bolt holes are arranged at two ends of the casing in a surrounding mode with uniform angles, and the angles are not less than six groups.
5. The rotary drilling rig convenient for dismounting and mounting the casing according to claim 2, wherein the separation driving assembly comprises:
the third rotating rod is fixedly arranged on one side of the first bevel gear;
the worm wheel is fixedly arranged at the end part of the third rotating rod;
the linkage piece is arranged on a third rotating rod between the worm wheel and the first bevel gear and used for driving the bolt connecting assembly arranged in the protective cylinder to synchronously rotate, so that bolt connection and separation between the protective cylinders are realized;
the worm wheel rotates and then drives the third dwang and rotates under the drive of external device to make first bevel gear rotate, first bevel gear rotates the separation that makes bolt and bolt hole and swivel nut and screw rod, thereby accomplish and protect the separation between the section of thick bamboo.
6. The rotary drilling rig capable of conveniently dismounting and mounting the casing according to claim 1, wherein an inner groove is formed in the inner wall of the casing, a wall plate is arranged in the inner groove, and a wall plate knocking assembly is arranged on one side of the wall plate and used for knocking the wall plate to remove soil blocks adhered to the wall plate.
7. The rotary drilling rig capable of conveniently dismounting and mounting the casing according to claim 6, wherein the wallboard knocking assembly comprises:
the second rotating rod is fixedly arranged on one side of the transmission assembly and is used for transmitting the rotating force of the transmission assembly so as to drive the second rotating rod to rotate;
the star wheel is fixedly arranged on the second rotating rod, is matched with the wall plate and is used for knocking the wall plate;
the elastic piece is arranged between the wall plate and the protective cylinder and used for movable resetting of the wall plate.
CN202111080435.8A 2021-09-15 Rotary drilling rig with conveniently-assembled and disassembled casing Active CN113863845B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111080435.8A CN113863845B (en) 2021-09-15 Rotary drilling rig with conveniently-assembled and disassembled casing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111080435.8A CN113863845B (en) 2021-09-15 Rotary drilling rig with conveniently-assembled and disassembled casing

Publications (2)

Publication Number Publication Date
CN113863845A true CN113863845A (en) 2021-12-31
CN113863845B CN113863845B (en) 2024-04-19

Family

ID=

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080245573A1 (en) * 2005-11-11 2008-10-09 Trocto-Technik Gmbh Thread Retention
CN202767072U (en) * 2012-09-12 2013-03-06 陈瑜 Barrel body connection device of cast-in-place bored pile
KR20140062528A (en) * 2012-11-12 2014-05-26 대우조선해양 주식회사 Drill pipe having vibrator and system for reducing depositon in the drill pipe
CN105735251A (en) * 2016-01-26 2016-07-06 赵立财 Bridge pile foundation rotary excavating drilling rig cutting type whole guard barrel follow-up pile forming construction method and system
CN110374505A (en) * 2019-07-25 2019-10-25 温州林嘉建筑有限公司 A kind of drilling machine and bored pile construction method
CN111335310A (en) * 2020-04-07 2020-06-26 中国建筑第四工程局有限公司 Bored concrete pile extension protects a structure
CN111608587A (en) * 2020-06-18 2020-09-01 深圳市工勘岩土集团有限公司 Hard rock drilling construction system and method for foundation pit secant pile in height-limited area
CN112942382A (en) * 2021-01-26 2021-06-11 辽宁工程技术大学 Multifunctional mine ecological restoration slope component

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080245573A1 (en) * 2005-11-11 2008-10-09 Trocto-Technik Gmbh Thread Retention
CN202767072U (en) * 2012-09-12 2013-03-06 陈瑜 Barrel body connection device of cast-in-place bored pile
KR20140062528A (en) * 2012-11-12 2014-05-26 대우조선해양 주식회사 Drill pipe having vibrator and system for reducing depositon in the drill pipe
CN105735251A (en) * 2016-01-26 2016-07-06 赵立财 Bridge pile foundation rotary excavating drilling rig cutting type whole guard barrel follow-up pile forming construction method and system
CN110374505A (en) * 2019-07-25 2019-10-25 温州林嘉建筑有限公司 A kind of drilling machine and bored pile construction method
CN111335310A (en) * 2020-04-07 2020-06-26 中国建筑第四工程局有限公司 Bored concrete pile extension protects a structure
CN111608587A (en) * 2020-06-18 2020-09-01 深圳市工勘岩土集团有限公司 Hard rock drilling construction system and method for foundation pit secant pile in height-limited area
CN112942382A (en) * 2021-01-26 2021-06-11 辽宁工程技术大学 Multifunctional mine ecological restoration slope component

Similar Documents

Publication Publication Date Title
EP0226644B1 (en) Rotary hammer
CN105158016B (en) A kind of revolution impact ultrasonic drill of single piezoelectric stack start
CN113863845A (en) Rotary drilling rig convenient for disassembling and assembling protective cylinder
CN109931017B (en) Electric drive limiting type double-layer platform finger beam
CN113863845B (en) Rotary drilling rig with conveniently-assembled and disassembled casing
CN114753789A (en) Installation device with anti-eccentricity function for oil field Christmas tree
CN208749289U (en) Three key perseverances turn round sealing universal shaft
CN210757535U (en) Disassembling and assembling device for drill rod locking nut
CN216008988U (en) Assembling tool for centrifugal impeller overspeed test
CN112377123B (en) Righting device and method with auxiliary shackle function
CN209083281U (en) A kind of coal mine drilling cuttings device
CN211777522U (en) Take cement stock unit head of detachable connector
CN204113133U (en) A kind of drilling machine drilling rod
KR200273993Y1 (en) Separation structure of Bits For Air-Hammers
CN207633173U (en) A kind of electric shocking rammer
CN209942734U (en) Sampling drilling tool
US20090324345A1 (en) Elongated vibrator made in several detachable elements assembled with each other through secured connections
CN208496902U (en) A kind of fixation device of chopping bit
CN218991532U (en) Moment-increasing type iron driller turnbuckle
CN113323863B (en) Fast-assembling combined piston rod of drilling pump
CN209212182U (en) Reverse buckling equipment is buckled on a kind of wellhead flange disk
CN210598811U (en) A shock attenuation formula drill bit for mine is probing in pit
CN209838286U (en) Automatic pipe flushing device is driven with top to dismouting
CN211003076U (en) Lifting type tail sealing box
CN216841502U (en) Hydraulic dismounting frame

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant