CN214836110U - Instrument delivery device, directional drilling hydraulic tool and directional drilling tool - Google Patents

Instrument delivery device, directional drilling hydraulic tool and directional drilling tool Download PDF

Info

Publication number
CN214836110U
CN214836110U CN202121351757.7U CN202121351757U CN214836110U CN 214836110 U CN214836110 U CN 214836110U CN 202121351757 U CN202121351757 U CN 202121351757U CN 214836110 U CN214836110 U CN 214836110U
Authority
CN
China
Prior art keywords
directional drilling
instrument
rubber
pressure water
delivery device
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.)
Active
Application number
CN202121351757.7U
Other languages
Chinese (zh)
Inventor
蒋盛刚
赵驰
智刚
黄文新
郭永顺
温晓虎
吴辉
闫谋权
李彦军
袁真秀
闫高翔
左战旗
姜宝臣
严东
孙中科
谭雄卫
谭力诚
杨寅智
郭俊平
陈素敏
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 Railway Liuyuan Group Co Ltd
Guangzhou Metro Group Co Ltd
Original Assignee
Hunan Weicheng Geological Technology Co ltd
China Railway Liuyuan Group Co Ltd
Guangzhou Metro Group 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 Hunan Weicheng Geological Technology Co ltd, China Railway Liuyuan Group Co Ltd, Guangzhou Metro Group Co Ltd filed Critical Hunan Weicheng Geological Technology Co ltd
Priority to CN202121351757.7U priority Critical patent/CN214836110U/en
Application granted granted Critical
Publication of CN214836110U publication Critical patent/CN214836110U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Earth Drilling (AREA)

Abstract

The utility model relates to a directional drilling tool comprises instrument delivery device and directional drilling hydraulic pressure formula instrument, wherein: the instrument delivery device comprises a ball short joint, one end of the ball short joint is connected with a measuring instrument or a core fishing tool, and the other end of the ball short joint is connected with an instrument probe of a steel wire rope; the directional drilling hydraulic tool comprises a high-pressure water conveying tool, the high-pressure water conveying tool comprises a high-pressure water pipe, a fixed pipe, an inlet pipeline and a hollow short-connection body, the hollow short-connection body is used for connecting a drill rod, a rubber plug and a plurality of sealing elements are arranged in the inlet pipeline, and pore passages are respectively formed in the plurality of sealing elements and the rubber plug; when directional drilling is carried out, the ball short circuit is arranged inside the drill rod, the steel wire rope on the instrument probe is arranged in the pore passage, the instrument delivery device can be efficiently delivered to a specified position of the bottom of the hole from the ground by using high-pressure water, and the instrument and the rock core are salvaged back to the ground from the bottom of the hole.

Description

Instrument delivery device, directional drilling hydraulic tool and directional drilling tool
Technical Field
The utility model relates to a directional drilling field, concretely relates to instrument that is particularly useful for carrying out directional horizontal transport measuring instrument or core fishing tool to soft soil stratum delivers device, directional drilling hydraulic pressure formula instrument and directional drilling instrument.
Background
In the field of geological drilling, directional drilling mainly takes a drill bit drilling tool driven by a water flow impact hole bottom motor without coring to rotate at a high speed, and a measurement while drilling instrument mainly adopts a wireless measurement while drilling instrument. The wireless drilling instrument is arranged in the drilling tool before drilling, and is unfolded along with the bottom of the lower access hole during drilling. Due to the structure of the wireless drilling instrument and the drilling tool, the drilling tool can not perform directional core drilling and only can perform directional coreless drilling. Moreover, the wireless measurement-while-drilling instrument must rely on a large water pump with large flow (more than 1000L/n) and high water pressure (more than 10 MPa) to work well. The large flow and high water pressure have no problem under the condition that the rock at the bottom of the hole is relatively complete and hard, but the hole wall is easily crushed to cause the buried drilling accident when the soft stratum is encountered. Moreover, the larger the flow rate, the larger the volume of the water pump with higher pressure, and the heavier the water pump with higher weight, which brings inconvenience to the transportation under the field condition.
At present, a wired drilling tool with relatively small flow and pump pressure is adopted, but a thin steel wire cable from the bottom of a hole to the ground is connected behind the wired drilling tool, the inclinometer with the thin steel wire cable is placed at the bottom of the hole perpendicular to the ground from the ground mainly by gravity and water pressure, and the directional drilling tool cannot be sent to the position frequently when the directional drilling tool is carried out to a long-distance horizontal section, so that the directional drilling tool cannot be normally carried out.
Therefore, how to successfully send the wired drilling tool from the ground to a specified position at the bottom of a hole for working when a weak stratum and long-distance horizontal coreless drilling are carried out is achieved; and how to solve the problem of how to send the instrument with the steel wire cable or the tool with the steel wire rope for fishing the core to the designated position at the bottom of the hole from the ground and to fish the instrument and the core from the bottom of the hole back to the ground aiming at the recent precise directional wire-line core drilling in China, is the problem which needs to be solved urgently in the field of geological drilling and both coreless drilling and directional core drilling.
SUMMERY OF THE UTILITY MODEL
When carrying out directional centreless probing or horizontal drilling to soft soil stratum based on present, it is wireless big along with the directional delivery difficulty degree of instrument of standing to and when carrying out directional coring probing, wired along with the unable problem that carries out long distance horizontal transport of instrument of standing, the utility model provides a set up in the probing drilling rod through the ball short circuit that will assemble coring tool or measuring instrument, utilize high pressure water long distance horizontal transport ball short circuit, deliver to the hole bottom assigned position and retrieve its instrument delivery device on ground and rather than the directional drilling hydraulic tool that sets up of supporting in the instrument follow ground drilling rod.
The utility model provides a technical scheme that above-mentioned technical problem adopted is: an instrument delivery device comprises a ball pup joint, wherein one end of the ball pup joint is in threaded connection with a measuring instrument or a rock core fishing tool, and the other end of the ball pup joint is in threaded connection with an instrument probe tube of a steel wire rope;
the ball short circuit comprises a short circuit body and a bearing assembly; three mounting grooves are formed in the short circuit body in the circumferential direction; bearing assembly includes bearing frame, ball bearing, bearing pad circle and staff, the bearing mounting groove has been seted up on the bearing frame, ball bearing sets up in the bearing mounting groove, and the bearing pad circle sets up respectively in ball bearing both ends, and the staff cross set up in ball bearing and two bearing pads circle, the bearing frame through set up fastening screw at both ends with the installation of short circuit body is fixed.
Further, the short circuit body includes first linkage segment and second linkage segment, be equipped with on the first linkage segment be used for with the external screw thread that measuring instrument or core fishing tool are connected, the second linkage segment is the cylinder, cylinder one end is equipped with instrument probe assorted internal thread, three mounting groove arranges on the cylinder with the mode of partition circumference, the cylinder external diameter and directional drilling are with drilling rod internal diameter phase-match.
The utility model also provides a directional drilling hydraulic tool for conveying the above-mentioned instrument delivery device, which comprises a high-pressure water conveying tool, wherein the high-pressure water conveying tool comprises a hollow fixed pipe, a high-pressure water pipe communicated with the fixed pipe is arranged on the pipe body of the fixed pipe, and the high-pressure water pipe is connected with a high-pressure water pump;
wherein: one end of the fixed pipe is in threaded connection with a hollow inlet pipeline, a rubber plug is arranged at the end part of the inlet pipeline, a plurality of sealing elements are tightly arranged in the inlet pipeline, one end of each sealing element is in contact with the rubber plug, and the other end of each sealing element is in contact with the end part of the fixed pipe; the plurality of sealing elements and the rubber plugs are respectively provided with a pore channel through which a steel wire rope arranged on the instrument delivery device can pass;
the other end of the fixed pipe is connected with a loose joint pipeline through external threads, the loose joint pipeline is connected with a hollow short joint body through internal threads, and the hollow short joint body is in threaded connection with the drill rod.
Further, the plurality of sealing elements comprise a first rubber gasket, an open coil and a plurality of second rubber gaskets arranged between the first rubber gasket and the open coil, the first rubber gasket is arranged in contact with the rubber plug, and the bottom of each second rubber gasket is provided with an annular groove structure with the same structure as that of the bottom of the first rubber gasket; the top of the second rubber pads is provided with a conical structure matched with the annular groove-shaped structure at the bottom of the first rubber pad, the conical structure is arranged between the first rubber pad and the second rubber pad, and the second rubber pads are respectively matched with the annular groove-shaped structure through the conical structure, the second rubber pads are closely arranged, and the opening gasket ring is arranged between the end part of the fixed pipe and the inlet pipeline.
Furthermore, the second rubber pad is in a combined type round table shape on the appearance structure, a round table-shaped groove is formed in the upper round table-shaped structure, and the cross section of the lower round table-shaped structure is in an M shape.
Furthermore, central through holes through which the steel wire rope can pass are formed in the middle positions of the rubber plug, the first rubber pad and the second rubber pads respectively, and longitudinal notches connected with the central through holes are formed in one sides of the rubber plug, the first rubber pad and the second rubber pads respectively.
Preferably, the plurality of second rubber cushions are assembled and fixed by adopting a staggered installation mode.
Preferably, the high-pressure water pipe is welded on the fixed pipe, and a sealing coating is arranged at the welding position of the fixed pipe and the high-pressure water pipe.
Preferably, a sealing gasket connected with the loose joint pipeline is arranged between the hollow short connecting body and the fixed pipe.
The utility model also provides a directional drilling instrument comprises foretell instrument delivery device and directional drilling hydraulic pressure formula instrument, when carrying out directional drilling, the instrument delivery device is placed inside the drilling rod through the inlet pipe, wire rope sets up in rubber end cap and a plurality of sealing element's pore passageway.
In the implementation process of the precise directional core drilling, the top angle and the azimuth angle of a drill hole are continuously changed due to the uneven hardness of rock formations or the change of rock formation conditions and the change of various objective conditions. This requires that the drilling process be continuously adjusted for tool face angle and azimuth based on the measured data to achieve the drilling design objective. If the wireless measuring instrument is used for measuring parameters such as a top angle, an azimuth angle and the like, the instrument needs to be taken back to the ground from the drill rod hole, and the data in the drill hole can be obtained after the data is downloaded (because the smoothness of a salvaged core channel is kept, the instrument cannot stay in the hole). If the face angle and azimuth angle of the tool in the hole are adjusted, real-time data cannot be displayed (because the instrument is salvaged back to the ground), and the torsional rate of the drill rod is larger along with the longer of the drill hole, the false value of the ground adjustment parameter is larger, so that larger errors occur, and the purpose of accurate directional core drilling cannot be achieved. When the wired measurement-while-drilling instrument is adopted, a thin steel wire cable is connected to a receiver on the ground from the instrument at the bottom of the hole, so that the technical parameters of the drilled hole can be known in real time, and accurate field parameters can be displayed in time when the drilling parameters required by the ground are adjusted. Therefore, the utility model provides a directional drilling hydraulic pressure formula instrument and instrument delivery device provide tangible guarantee for the implementation of accurate directional coring drilling.
Compared with the prior art, the utility model have following advantage and effect:
1. the utility model realizes the hydraulic long-distance horizontal conveying of the instrument delivery device arranged in the drill rod by arranging the high-pressure water conveying tool consisting of the fixed pipe, the high-pressure water pipe, the inlet pipeline, the loose joint pipeline, the hollow short-joint body, the rubber plug and the sealing element; the rubber plug and the sealing elements with special structures are arranged in the inlet pipeline of the high-pressure water conveying tool in a matching way, so that on one hand, a steel wire rope arranged on an instrument delivery device can pass through the rubber plug; on the other hand, can effectively solve under the effect of high pressure water, the leakproofness problem of the fixed pipeline section of left side end provides the guarantee for realizing sending the instrument delivery device with steel wire rope to the hole bottom assigned position from the ground drilling rod in then.
2. The instrument delivery device of the utility model arranges the measuring instrument or the rock core fishing tool at one end of the ball short circuit, and arranges the instrument probe of the steel wire rope at the other end of the ball short circuit; when the ball short circuit drives the measuring instrument or the fishing tool to slide in the drill rod, contact points with the inside of the drill rod are small, friction coefficients between the ball short circuit and the drill rod are small, sliding distance is long under the action of water pressure, and sliding speed is high.
3. Among the water under high pressure conveying tool, all adopt threaded connection's mode to assemble fixedly between each spare part, have the equipment convenient, dismantle easy, be convenient for keep the characteristics of transportation, can assemble, dismouting operation with the well head drilling rod in field production scene in a flexible way high-efficiently.
4. The utility model provides a directional drilling instrument of constituteing by instrument delivery device and directional drilling hydraulic pressure formula instrument is particularly useful for when carrying out directional drilling to weak stratum, realizes will sending the hole bottom assigned position from the instrument of taking wire rope or from the core fishing tool of taking wire rope in the ground drilling rod high-efficiently.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic sectional structure diagram of a high-pressure water conveying tool according to an embodiment of the present invention.
Fig. 2 is a schematic sectional structure view of the second rubber pad according to the embodiment of the present invention.
Fig. 3 is a top view of the second rubber pad according to the embodiment of the present invention.
Fig. 4 is the embodiment of the utility model provides a ball short circuit profile structure sketch map.
Fig. 5 is the embodiment of the present invention, the short circuit body structure diagram.
Fig. 6 is a schematic view of a sectional structure of a ball short circuit a-a of the embodiment of the present invention.
Fig. 7 is a schematic cross-sectional view of a bearing seat according to an embodiment of the present invention.
Description of reference numerals: 1. a high-pressure water delivery means; 11. a rubber plug; 12. an inlet duct; 13. a first rubber pad; 14. a second rubber pad; 15. the opening cushion ring; 16. a fixed tube; 17. a high pressure water pipe; 18. a pipeline is movably connected; 19. sealing gaskets; 10. a hollow shorting body; 2. a longitudinal cut; 3. a central through hole; 4. ball short circuit; 41. a first connection section; 42. a second connection section; 43. mounting grooves; 44. connecting a threaded hole; 5. a bearing seat; 51. a screw mounting hole; 52. a bearing mounting groove; 6. fastening screws; 7. a ball bearing; 8. a bearing cushion ring; 9. a small shaft.
Detailed Description
The present invention will be described in further detail with reference to the following examples, which are illustrative of the present invention and are not intended to limit the present invention.
Example 1:
because the directional core drilling needs to frequently acquire various data in an instrument measuring hole from the drill rod and needs to recover the instrument and salvage the drilled core from the drill rod, the instrument and the core salvage tool can be horizontally and directionally thrown to a specified position in a long distance, and the fact that whether the precise directional core drilling can be carried out is particularly important.
As shown in fig. 1 to 7, the present embodiment provides a directional drilling tool, which mainly comprises an instrument delivery device and a directional drilling hydraulic tool;
wherein: on one hand: as shown in fig. 4 to 7, the instrument delivery device comprises a ball pup joint 4, wherein one end of the ball pup joint 4 is in threaded connection with a measuring instrument or a core fishing tool, and the other end of the ball pup joint is in threaded connection with an instrument probe of a steel wire rope.
Specifically, the ball short circuit 4 comprises a short circuit body and a bearing assembly; wherein: the short joint body comprises a first connecting section 41 and a second connecting section 42, wherein the first connecting section 41 is provided with an external thread used for being connected with a measuring instrument or a rock core fishing tool, the second connecting section 42 is a cylinder, one end of the cylinder is provided with an internal thread matched with an instrument probe, three mounting grooves 43 are respectively milled on the cylinder according to 120 degrees, and two threaded connecting holes 44 are respectively formed in each mounting groove 43; further, the inner diameter of the cylinder is matched with the inner diameter of the drill rod;
as shown in fig. 6 and 7, the bearing assembly includes a bearing seat 5, a ball bearing 7, a bearing ring 8 and a small shaft 9, the bearing seat 5 is provided with a bearing mounting groove 52 and two screw mounting holes 51 matched with the screw connecting holes, the ball bearing 7 is disposed in the bearing mounting groove 52, the bearing rings 8 are respectively disposed at two ends of the ball bearing 7, the small shaft 9 is transversely inserted into the ball bearing 7 and the two bearing rings 8, and the bearing seat 5 is respectively fixed to the two screw connecting holes 44 of the short circuit body by disposing fastening screws 6 in the screw mounting holes 51 at the two ends.
On the other hand: as shown in fig. 1 to 3, the directional drilling hydraulic tool comprises a high-pressure water delivery tool 1, the high-pressure water delivery tool 1 comprises a hollow fixed pipe 16, a high-pressure water pipe 17 communicated with the fixed pipe 16 is arranged on the pipe body of the fixed pipe 16, and the high-pressure water pipe 17 is connected with a high-pressure water pump;
one end of the fixed pipe 16 is connected with a hollow inlet pipeline 12 through external threads, a rubber plug 11 matched with the hollow inlet pipeline 12 is arranged at the end part of the inlet pipeline 12, a plurality of sealing elements are tightly arranged in the inlet pipeline 12, one end of each sealing element is in contact with the rubber plug 11, and the other end of each sealing element is in contact with the end part of the fixed pipe 16; the plurality of sealing elements and the rubber plugs 11 are respectively provided with a pore channel for a steel wire rope arranged on the probe tube of the instrument to pass through;
the other end of the fixed pipe 16 is connected with a loose joint pipeline 18 through external threads, the loose joint pipeline 18 is connected with the hollow short joint body 10 through internal threads, and the hollow short joint body 10 is in threaded connection with a drill rod;
when directional drilling is carried out, the ball pup joint 4 equipped with a measuring instrument or a core fishing tool can be placed inside a drill rod through the inlet pipeline 12, and a steel wire rope on an instrument probe pipe at the end part of the ball pup joint 4 is arranged in the rubber plug 11 and pore passages of the sealing elements.
Wherein the measuring instrument may be a slave instrument.
As shown in fig. 1, in the directional drilling hydraulic tool of this embodiment 1, the plurality of sealing elements include a first rubber gasket 13, an open gasket ring 15 and a plurality of second rubber gaskets 14 disposed between the first rubber gasket 13 and the open gasket ring 15, the first rubber gasket 13 is disposed in contact with the rubber stopper 11, and the bottom of the second rubber gasket 14 is provided with an annular groove structure having the same structure as the bottom of the first rubber gasket 13; the tops of the second rubber gaskets 14 are arranged to be conical structures matched with the annular groove structures at the bottoms of the first rubber gaskets 13, the first rubber gaskets 13 and the second rubber gaskets 14 are arranged closely in a manner that the conical structures and the annular groove structures are matched with each other, and the opening gaskets 15 are arranged between the end of the fixed pipe 16 and the inlet pipeline 12.
Specifically, as shown in fig. 2 and 3, in this embodiment 1, the second rubber pad 14 is in a combined truncated cone shape on the outer shape structure, a truncated cone-shaped groove is provided inside the upper truncated cone-shaped structure, and the cross section of the lower truncated cone is in an M shape. The middle positions of the rubber plug 11, the first rubber pad 13 and the second rubber pads 14 are respectively provided with a central through hole 3 through which a steel wire rope can pass, and one sides of the rubber plug 11, the first rubber pad 13 and the second rubber pads 14 are respectively provided with a longitudinal notch 2 connected with the central through hole 3, so that the steel wire rope can pass and the rubber pads can be installed conveniently; the second rubber pads 14 can be assembled and fixed in a staggered manner, so that the assembly sealing performance among the second rubber pads is improved.
Example 2: as shown in fig. 1, in order to further improve the sealing performance of the directional drilling hydraulic tool in the high-pressure water environment according to embodiment 1, the high-pressure water pipe 17 may be welded to the fixed pipe 16, and a sealing coating may be provided at the welding position of the fixed pipe 16 and the high-pressure water pipe 17.
Example 3: as shown in fig. 1, in order to further improve the sealing performance of the directional drilling hydraulic tool according to embodiment 1 or embodiment 2 in a high-pressure water environment, a sealing gasket 19 connected to the loose joint pipe 18 may be disposed between the hollow short joint body 10 and the fixed pipe 16.
The utility model discloses embodiment 1 to 3 directional drilling tool concrete use method as follows:
when the device needs to work, firstly, the drill rod at the orifice is in threaded connection with the hollow short-connection body 10 at the right end of the high-pressure water conveying tool 1; then the high-pressure water pump is connected and fixed with the high-pressure water pipe 17 through a leather hose;
secondly, putting the drilling tool or the core fisher with the ball pup joint 4 into the drill rod through the left end inlet pipeline 12 of the high-pressure water conveying tool 1, and sequentially putting the opening gasket 15, the plurality of second rubber gaskets 14 and the first rubber gasket 13 into the inlet pipeline 12; a center hole for passing the diameter of the steel wire rope is formed in the middle of each of the first rubber pad 13 and the second rubber pad 14, and small holes from the outer edge to the circle center of the side edge are cut off by a knife, so that the rubber pads and the steel wire rope can be conveniently installed around the steel wire rope;
finally, the left side of the first rubber pad 13 is in threaded connection with the inlet pipeline 12 through a rubber plug 11, and a plurality of rubber pads passing through the steel wire rope are pressed; at the moment, a high-pressure water pump is started, after high-pressure water flows into the fixed pipe 16 through the high-pressure water pipe 17, the left high-pressure water flows are blocked because the left rubber pads are installed in a tight staggered manner, but small holes are reserved in the middle of the rubber pads for the steel wire cables to pass through; then the measuring instrument or the core fisher with the steel wire rope is pushed to the right end under the action of high-pressure water flow and the bearing of the ball short joint 4, and the specified position is reached in the drill rod through a long-distance horizontal section, so that directional coreless drilling or directional core drilling is carried out.
In addition, it should be noted that the specific embodiments described in the present specification may differ in the shape of the components, the names of the components, and the like. All equivalent or simple changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims (10)

1. The instrument delivery device is characterized by comprising a ball pup joint, wherein one end of the ball pup joint is in threaded connection with a measuring instrument or a rock core fishing tool, and the other end of the ball pup joint is in threaded connection with an instrument probe tube of a steel wire rope;
the ball short circuit comprises a short circuit body and a bearing assembly; three mounting grooves are formed in the short circuit body in the circumferential direction; the bearing assembly comprises a bearing seat, ball bearings, bearing washers and a small shaft, wherein a bearing mounting groove is formed in the bearing seat, the ball bearings are arranged in the bearing mounting groove, the bearing washers are arranged at two ends of each ball bearing respectively, the small shaft is transversely arranged in the ball bearings and the two bearing washers, and the bearing seat is fixedly installed through the fastening screws arranged at two ends of the bearing seat.
2. The instrument delivery device of claim 1, wherein the pup joint body comprises a first connecting section and a second connecting section, the first connecting section is provided with an external thread used for being connected with the measuring instrument or the core fishing tool, the second connecting section is a cylinder, one end of the cylinder is provided with an internal thread matched with the instrument probe, the three mounting grooves are arranged on the cylinder in a manner of equally dividing the circumference, and the outer diameter of the cylinder is matched with the inner diameter of the directional drilling rod.
3. A directional drilling hydraulic tool comprising a high pressure water delivery means for delivering the apparatus delivery device of any one of claims 1 to 2;
the high-pressure water conveying tool comprises a hollow fixed pipe, a high-pressure water pipe communicated with the fixed pipe is arranged on the pipe body of the fixed pipe, and the high-pressure water pipe is connected with a high-pressure water pump;
wherein: one end of the fixed pipe is in threaded connection with a hollow inlet pipeline, a rubber plug is arranged at the end part of the inlet pipeline, a plurality of sealing elements are tightly arranged in the inlet pipeline, one end of each sealing element is in contact with the rubber plug, and the other end of each sealing element is in contact with the end part of the fixed pipe; the plurality of sealing elements and the rubber plugs are respectively provided with a pore channel through which a steel wire rope arranged on the instrument delivery device can pass;
the other end of the fixed pipe is connected with a loose joint pipeline through external threads, the loose joint pipeline is connected with a hollow short joint body through internal threads, and the hollow short joint body is in threaded connection with the drill rod.
4. The directional drilling hydraulic tool according to claim 3, wherein the plurality of sealing elements comprise a first rubber pad, an open washer and a plurality of second rubber pads arranged between the first rubber pad and the open washer, the first rubber pad is arranged in contact with the rubber stopper, and the bottom of the second rubber pad is provided with an annular groove-shaped structure which is the same as the bottom structure of the first rubber pad; the top of the second rubber pads is arranged to be in a conical structure matched with the annular groove-shaped structure at the bottom of the first rubber pad, the first rubber pads and the second rubber pads are arranged closely in a mode that the conical structures and the annular groove-shaped structures are matched with each other, and the opening gasket is arranged between the end part of the fixed pipe and the inlet pipeline.
5. The directional drilling hydraulic tool according to claim 4, wherein the second rubber pad is in a combined truncated cone shape in appearance structure, a truncated cone-shaped groove is arranged in the upper truncated cone-shaped structure, and the cross section of the lower truncated cone is in an M shape.
6. The directional drilling hydraulic tool according to claim 4, wherein central through holes for the steel wire rope to pass through are respectively formed in the middle positions of the rubber plug, the first rubber pad and the second rubber pads, and longitudinal cuts connected with the central through holes are respectively formed in one sides of the rubber plug, the first rubber pad and the second rubber pads.
7. The directional drilling hydraulic tool according to claim 4, wherein the second rubber pads are assembled and fixed by staggered installation.
8. The directional drilling hydraulic tool according to claim 3, wherein the high pressure water pipe is welded to a fixed pipe, and a sealing coating is provided at the welding position of the fixed pipe and the high pressure water pipe.
9. The directional drilling hydraulic tool according to claim 3, characterized in that a sealing gasket connected with a loose joint pipeline is arranged between the hollow short connecting body and the fixed pipe.
10. A directional drilling tool, comprising the apparatus delivery device of any one of claims 1 to 2 and the directional drilling hydraulic tool of any one of claims 3 to 9, wherein the apparatus delivery device is placed inside a drill pipe through an inlet pipe when directional drilling is performed, and the steel wire rope is arranged in the pore passages of the rubber plugs and the sealing elements.
CN202121351757.7U 2021-06-17 2021-06-17 Instrument delivery device, directional drilling hydraulic tool and directional drilling tool Active CN214836110U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121351757.7U CN214836110U (en) 2021-06-17 2021-06-17 Instrument delivery device, directional drilling hydraulic tool and directional drilling tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121351757.7U CN214836110U (en) 2021-06-17 2021-06-17 Instrument delivery device, directional drilling hydraulic tool and directional drilling tool

Publications (1)

Publication Number Publication Date
CN214836110U true CN214836110U (en) 2021-11-23

Family

ID=78807914

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121351757.7U Active CN214836110U (en) 2021-06-17 2021-06-17 Instrument delivery device, directional drilling hydraulic tool and directional drilling tool

Country Status (1)

Country Link
CN (1) CN214836110U (en)

Similar Documents

Publication Publication Date Title
CN105113987B (en) Interbedding of soft and hard rocks coal seam concordant measurement while drilling directional drilling equipment and its construction method
CN104295232A (en) Single-action double-pipe coring overburden drill tool for air down-the-hole hammer
CN108643839A (en) The complete compound cutting arrangement of cutterhead lift for soft or hard stratum
CN205558803U (en) Geology reconnaissance probing device
CN107966316A (en) A kind of fixed sampler of hydraulic pressure and its sampling method
CN113187395A (en) Instrument delivery device, directional drilling hydraulic tool and directional drilling tool
CN105201418B (en) Coring drill rod and coring device
CN214836110U (en) Instrument delivery device, directional drilling hydraulic tool and directional drilling tool
CN106643589A (en) High-pressure jet grouting pile construction formed-pile diameter real-time monitoring method and monitoring device
CN209085721U (en) A kind of multi-layer underground water level observation device
CN105201494A (en) Method for performing ground stress test by using complete equipment
CN112014147A (en) Geotechnical engineering reconnaissance broken rock coring device
CN204312002U (en) A kind of waterpower internal cutter cutting accident drill rod
CN107401409A (en) With drilling tool, scraper box, coring drill rod, quartering hammer development machine
CN203547547U (en) Rotor wing sliding block type drilling tool
CN107389370B (en) Undisturbed soil hollow soil body sample sampling device and application method thereof
US7131790B1 (en) Boring and conduit/pipe system
CN202467631U (en) Geological exploration drilling rig
CN107143327A (en) A kind of method of through logical cable
CN207905752U (en) A kind of pipeline internal cutting device
CN207437082U (en) With drilling tool, scraper box, coring drill rod, quartering hammer development machine
JP4081499B2 (en) Exploration device well insertion device and exploration device well insertion method
CN210090263U (en) Water-pressure test device for engineering geological investigation
CN206608108U (en) A kind of Assembled punch for water conservancy construction
CN205100892U (en) Protector for solution cavity

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20220505

Address after: 36 Zhonghuan West Road, pilot free trade zone (Airport Economic Zone), Binhai New Area, Tianjin

Patentee after: CHINA RAILWAY LIUYUAN GROUP Co.,Ltd.

Patentee after: Guangzhou Metro Group Co., Ltd

Address before: 36 Zhonghuan West Road, pilot free trade zone (Airport Economic Zone), Binhai New Area, Tianjin

Patentee before: CHINA RAILWAY LIUYUAN GROUP Co.,Ltd.

Patentee before: GUANGZHOU METRO GROUP Co.,Ltd.

Patentee before: Hunan Weicheng Geological Technology Co.,Ltd.