CN208502710U - A kind of welded type underground fishing tool - Google Patents
A kind of welded type underground fishing tool Download PDFInfo
- Publication number
- CN208502710U CN208502710U CN201821141846.7U CN201821141846U CN208502710U CN 208502710 U CN208502710 U CN 208502710U CN 201821141846 U CN201821141846 U CN 201821141846U CN 208502710 U CN208502710 U CN 208502710U
- Authority
- CN
- China
- Prior art keywords
- outer housing
- main shaft
- welding machine
- electric welding
- mounting base
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model relates to a kind of underground fishing tools, and in particular to a kind of welded type underground fishing tool.Outer housing is equipped with turbine wheel shaft, main shaft is housed, main shaft is fixedly connected with turbine wheel shaft, and power generation rotor is provided on main shaft below turbine wheel shaft, rectifier, storage capacitor and electric welding machine are sequentially installed in outer housing below main shaft, power generation stator, rectifier, storage capacitor and electric welding machine are successively contacted and connect；Mounting base is housed below electric welding machine, mandril is housed in mounting base, protection cap is provided with below mandril, fishing head is provided with welding electrode, welding electrode and electric welding mechatronics.The fishing tool pushes push rod to start electric welding machine by junk, junk and fishing tool are welded into an entirety by the welded electrode of electric welding machine, to solve the problems, such as that the existing tool salvaged by frictional force is unstable in conjunction with junk, the success rate of trouble of lost tool in hole salvaging is improved.The fishing tool is suitable for the fishing junk of different-diameter by the replacement to fishing head.
Description
Technical field
The utility model relates to a kind of underground fishing tools, and in particular to a kind of welded type underground fishing tool.
Background technique
In petroleum natural gas exploration field, during oil well operation, because certain formation conditions are complicated, pit shaft matter is caused
Measure it is bad, drilling rod, logger etc. can be obstructed even fracture falls into pit shaft, cause drilling failure and economic loss.Once hair
Raw corresponding accident, then must salvage well for the drilling rod for falling into pit shaft, instrument etc..
Marine salvage equipment is many kinds of at present, mainly there is slip-type, telescopic etc..These marine salvage equipments rely primarily on frictional force
The equipment (junk) that pit shaft will be fallen into is taken out, but it is inadequate to will appear frictional force in certain special cases, cause fishing tool without
The case where method takes out fishing junk, therefore, it is necessary to research and develop a kind of salvaging that can effectively improve trouble of lost tool in hole fishing success ratio
Tool.
Summary of the invention
The purpose of this utility model is that: provide it is a kind of can effectively solve it is existing by frictional force salvage tool and junk
In conjunction with unstable problem, the welded type underground fishing tool of trouble of lost tool in hole fishing success ratio is improved.
The technical solution of the utility model is:
A kind of welded type underground fishing tool, it is by top connection, outer housing, turbine wheel shaft, fishing head, electric welding machine, energy storage electricity
Hold, main shaft and rectifier are constituted, it is characterised in that: the screw top of outer housing is equipped with top connection, the bottom thread of outer housing
Fishing head is installed, closes in the outer housing of top connection and turbine wheel shaft is equipped with by thrust bearing, between turbine wheel shaft and outer housing
It is provided with turbine assembly, main shaft, main shaft and whirlpool are equipped with by symmetrically arranged main shaft bearing in the outer housing below turbine wheel shaft
Wheel shaft is fixedly connected, and power generation rotor is provided on the main shaft between main shaft bearing, and power generation rotor is coated with power generation rotor
Magnetic pole is fixed with power generation stator on the corresponding outer housing inner wall of power generation rotor magnetic pole；It is successively installed in outer housing below main shaft
There are rectifier, storage capacitor and electric welding machine, power generation stator, rectifier, storage capacitor and electric welding machine are successively contacted and connect；Electric welding machine
Bottom, which is provided with, to be started switch, and mounting base is fixed in the outer housing below electric welding machine, and mandril is movably installed in mounting base, top
Bar is connect with Intermittent Contact is started switch, and protection cap is provided with below mandril, and protection cap is connect by spring with mounting base, is protected
Welding electrode is fixed with by electrode insulation pad on fishing head inner wall between lid and mounting base, welding electrode is electrically connected with electric welding machine
It connects.
The mounting base is T body, is provided with centre bore in mounting base, mandril, mandril are movably installed in centre bore
One end extend to above mounting base, the other end of mandril extends to below mounting base.
The mandril is T body.
The mounting base top edge of the centre bore periphery is provided with pilot hole, and pilot hole is provided with electrode socket, electricity
Pole socket is connect by conducting wire with electric welding machine, and welding electrode is connect by conducting wire and plug with electrode socket.
The protection cap edge is provided with welding electrode recess.
The turbine wheel shaft bottom end is equipped with sealing baffle, and sealing baffle is slidably and sealingly connected with outer housing.
Drainage hole is provided on outer housing above the sealing baffle.
Axle sleeve is provided between the main shaft bearing and main shaft.
The fishing head is bell-mouthed cylindrical body.
The utility model has the beneficial effects that:
In the welded type underground fishing tool course of work, main axis is driven by turbine wheel shaft, thus power generation is driven to turn
Sub- magnetic pole, the opposite stator rotation that generates electricity, and then equipment tool internal electric energy is converted by the impact energy of drilling fluid, and utilize storage
It can capacitor storage.During salvaging, push rod is pushed to start electric welding machine by junk, the welded electrode of electric welding machine is by junk and beats
Fishing combined tool welding is in an entirety, to salvage to it, efficiently solves the existing tool salvaged by frictional force and falls
Object combines unstable problem, improves the success rate of trouble of lost tool in hole salvaging.The welded type underground fishing tool passes through to salvaging
The replacement of head, is suitable for the fishing junk of different-diameter.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is enlarged structure schematic diagram at the A in Fig. 1；
Fig. 3 is enlarged structure schematic diagram at the B in Fig. 1.
In figure: 1, top connection, 2, outer housing, 3, turbine wheel shaft, 4, fishing head, 5, electric welding machine, 6, storage capacitor, 7, main shaft,
8, rectifier, 9, electrode insulation pad, 10, welding electrode, 11, thrust bearing, 12, turbine assembly, 13, main shaft bearing, 14, sealing
Baffle, 15, drainage hole, 16, power generation rotor, 17, power generation rotor magnetic pole, 18, power generation stator, 19, start switch, 20, mounting base,
21, mandril, 22, protection cap, 23, spring, 24, welding electrode recess, 25, electrode socket, 26, plug, 27, axle sleeve.
Specific embodiment
The welded type underground fishing tool is by top connection 1, outer housing 2, turbine wheel shaft 3, fishing head 4, electric welding machine 5, energy storage electricity
Hold 6, main shaft 7 and rectifier 8 is constituted, the screw top of outer housing 2 is equipped with top connection 1, and the bottom thread of outer housing 2 is equipped with
Fishing head 4, fishing head 4 are bell-mouthed cylindrical body；Welding electrode 10 is fixed with by electrode insulation pad 9 on 4 inner wall of fishing head.
Close in the outer housing 2 of top connection 1 and turbine wheel shaft 3 be equipped with by thrust bearing 11, turbine wheel shaft 3 and outer housing 2 it
Between be provided with turbine assembly 12, turbine assembly 12 is by the turbine stator that is packed on 2 inner wall of outer housing and is packed on turbine wheel shaft 3
Turbine rotor constitute.3 bottom end of turbine wheel shaft is equipped with sealing baffle 14, and sealing baffle 14 and the inner wall of outer housing 2 are slidingly sealed company
It connects；Drainage hole 15 is provided on the outer housing 2 of 14 top of sealing baffle.
Main shaft 7, main shaft bearing 13 are equipped with by symmetrically arranged main shaft bearing 13 in the outer housing 2 of 3 lower section of turbine wheel shaft
Axle sleeve 27 is provided between main shaft 7.Main shaft 7 is fixedly connected with turbine wheel shaft 3, is provided on the main shaft 7 between main shaft bearing 13
Power generation rotor 16, power generation rotor 16 are coated with power generation rotor magnetic pole 17, in the corresponding outer housing 2 of power generation rotor magnetic pole 17
Power generation stator 18 is fixed on wall.
It is sequentially installed with rectifier 8, storage capacitor 6 and electric welding machine 5 in the outer housing 2 of 7 lower section of main shaft, the stator 18 that generates electricity,
Rectifier 8, storage capacitor 6 and electric welding machine 5, which are successively contacted, connects that (rectifier 8, storage capacitor 6 and electric welding machine 5 are standard component；It is whole
Flow the model MDQ100A12V of device 8；The model NIPPON-16V-33000Uf of storage capacitor 6;The model of electric welding machine 5
NY-D01+P200A).
The bottom of electric welding machine 5, which is provided with, starts switch 19, is fixed with mounting base 20 in the outer housing 2 of 5 lower section of electric welding machine, pacifies
Dress seat 20 is T body, is provided with centre bore in mounting base 20, and mandril 21 is movably installed in centre bore, and mandril 21 is T body.
One end of mandril 21 extends to 20 top of mounting base, extends to the mandril 21 of 20 top of mounting base and starts switch 19 Intermittent Contacts
Connection, the other end of mandril 21 extend to 20 lower section of mounting base.
It is provided with protection cap 22 in the fishing head 4 of 21 lower section of mandril, silt enters to fishing head 4 when preventing inoperative
It is interior；Protection cap 22 is connect by spring 23 with mounting base 20, and the welding electrode between protection cap and mounting base is welded mechatronics.
22 edge of protection cap is provided with welding electrode recess 24.Protection cap 22 and 21 Intermittent Contact of mandril for extending to 20 lower section of mounting base
Connection.
20 top edge of mounting base of the centre bore periphery of the welded type underground fishing tool mounting base 20 is provided with assembly
Hole, pilot hole are provided with electrode socket 25, and electrode socket 25 is connect by conducting wire with electric welding machine 5, and welding electrode 10 passes through conducting wire
It is flexibly connected with plug 26 with electrode socket 25.
When the welded type underground fishing tool works, drilling fluid is entered by top connection 1, the drilling fluid impulse turbine group of entrance
Part 12 is to drive turbine wheel shaft 3 to rotate；The drilling fluid for completing impulse turbine component 12 is discharged into the salvaging work through drainage hole 15
Annular space between tool and wellbore.
The rotation of turbine wheel shaft 3 drives main shaft 7 to rotate, thus make opposite power generation stator 18 rotation of power generation rotor magnetic pole 17 thus
It generates electric current (alternating current), the electric current of generation enters the storage of storage capacitor 6 after rectifier is changed into direct current, to electricity
5 operation of welding machine provides necessary electric energy.Storage capacitor 6 can amplify electric current moment, to prevent the opposite hair of electric rotor magnetic pole 17
The problem of electric current caused by electric stator 18 is too small, cannot provide a large amount of electric power needed when welding machine 5 works.
Continue entirety and transfers the fishing tool；When protection cap 22 and the metal, rod-shaped junk in underground to be salvaged are (such as fracture
Drilling rod) contact when, metal junk to be salvaged pushes protection cap 22 to enter in fishing head 4, during this, in protection cap 22
Row is gradually contacted with the mandril 21 for extending to 20 lower section of mounting base, to push 21 uplink of mandril；The mandril 21 of uplink gradually with
19 are started switch to start the work of electric welding machine 5, welding electrode 10 is gradually by welding electrode recess while 22 uplink of protection cap
24 stretch out, and the welding electrode 10 of stretching contacts with metal junk to be salvaged and is thus welded on one with metal junk to be salvaged
It rises, forms an entirety, mentioning the fishing tool on the whole can be completed the salvage of metal junk to be salvaged.
The fishing tool pushes protection cap 22, push rod 21 to start electric welding machine 5 by junk to be salvaged, and electric welding machine 5 is through welding
Junk and the fishing tool are welded into an entirety by receiving electrode 10, to salvage to it, efficiently solve existing dependence
The tool that frictional force is salvaged unstable problem in conjunction with junk, improves the success rate of trouble of lost tool in hole salvaging.The fishing tool
Fishing head 4 be used as wearing detail, need to change new fishing head 4 after the completion of salvaging every time；By the replacement to fishing head 4, can fit
Answer the fishing junk of different-diameter.
Claims (9)
1. a kind of welded type underground fishing tool, it is by top connection (1), outer housing (2), turbine wheel shaft (3), fishing head (4), electric welding
Machine (5), storage capacitor (6), main shaft (7) and rectifier (8) are constituted, it is characterised in that: the screw top of outer housing (2) is equipped with
Top connection (1), the bottom thread of outer housing (2) are equipped with fishing head (4), close in the outer housing of top connection (1) (2) by pushing away
Power bearing (11) is equipped with turbine wheel shaft (3), and turbine assembly (12), turbine wheel shaft are provided between turbine wheel shaft (3) and outer housing (2)
(3) it is equipped with main shaft (7) in the outer housing (2) below by symmetrically arranged main shaft bearing (13), main shaft (7) and turbine wheel shaft
(3) it is fixedly connected, is provided with power generation rotor (16) on the main shaft (7) between main shaft bearing (13), the surface of power generation rotor (16)
It is enclosed with power generation rotor magnetic pole (17), is fixed with power generation stator on corresponding outer housing (2) inner wall of power generation rotor magnetic pole (17)
(18)；It is sequentially installed with rectifier (8), storage capacitor (6) and electric welding machine (5) in outer housing (2) below main shaft (7), is generated electricity
Stator (18), rectifier (8), storage capacitor (6) and electric welding machine (5) are successively contacted and are connect；The bottom of electric welding machine (5) is provided with starting
It switchs (19), is fixed with mounting base (20) in the outer housing (2) below electric welding machine (5), mounting base is equipped with mandril on (20)
(21), mandril (21) is connect with (19) Intermittent Contact is started switch, and is provided with protection cap (22), protection cap below mandril (21)
(22) it is connect by spring (23) with mounting base (20), on fishing head (4) inner wall between protection cap (22) and mounting base (20)
It is fixed with welding electrode (10) by electrode insulation pad (9), welding electrode (10) is electrically connected with electric welding machine (5).
2. a kind of welded type underground fishing tool according to claim 1, it is characterised in that: the mounting base (20) is
T body is provided with centre bore in mounting base (20), is movably installed in centre bore mandril (21), and one end of mandril (21) extends
Above to mounting base (20), the other end of mandril (21) is extended to below mounting base (20).
3. a kind of welded type underground fishing tool according to claim 2, it is characterised in that: the mandril (21) is T
Body.
4. a kind of welded type underground fishing tool according to claim 2, it is characterised in that: the centre bore periphery
Mounting base (20) top edge is provided with pilot hole, and pilot hole is provided with electrode socket (25), and electrode socket (25) passes through conducting wire
It is connect with electric welding machine (5), welding electrode (10) is connect by conducting wire and plug (26) with electrode socket (25).
5. a kind of welded type underground fishing tool according to claim 1, it is characterised in that: described protection cap (22) side
Edge is provided with welding electrode recess (24).
6. a kind of welded type underground fishing tool according to claim 1, it is characterised in that: turbine wheel shaft (3) bottom end stated
Equipped with sealing baffle (14), sealing baffle (14) is slidably and sealingly connected with outer housing (2).
7. a kind of welded type underground fishing tool according to claim 6, it is characterised in that: the sealing baffle (14)
Drainage hole (15) are provided on the outer housing (2) of top.
8. a kind of welded type underground fishing tool according to claim 1, it is characterised in that: the main shaft bearing (13)
Axle sleeve (27) are provided between main shaft (7).
9. a kind of welded type underground fishing tool according to claim 1, it is characterised in that: the fishing head (4) is
Bell-mouthed cylindrical body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821141846.7U CN208502710U (en) | 2018-07-19 | 2018-07-19 | A kind of welded type underground fishing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821141846.7U CN208502710U (en) | 2018-07-19 | 2018-07-19 | A kind of welded type underground fishing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208502710U true CN208502710U (en) | 2019-02-15 |
Family
ID=65289522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821141846.7U Expired - Fee Related CN208502710U (en) | 2018-07-19 | 2018-07-19 | A kind of welded type underground fishing tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208502710U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108756800A (en) * | 2018-07-19 | 2018-11-06 | 长江大学 | A kind of welded type underground fishing tool |
| CN109751005A (en) * | 2019-03-06 | 2019-05-14 | 长江大学 | A kind of underground fishing tool that can be operated repeatedly |
| US11840901B2 (en) | 2022-02-24 | 2023-12-12 | Saudi Arabian Oil Company | Fishing welding tool |
-
2018
- 2018-07-19 CN CN201821141846.7U patent/CN208502710U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108756800A (en) * | 2018-07-19 | 2018-11-06 | 长江大学 | A kind of welded type underground fishing tool |
| CN108756800B (en) * | 2018-07-19 | 2023-09-22 | 长江大学 | Welding type downhole fishing tool |
| CN109751005A (en) * | 2019-03-06 | 2019-05-14 | 长江大学 | A kind of underground fishing tool that can be operated repeatedly |
| CN109751005B (en) * | 2019-03-06 | 2023-08-22 | 长江大学 | Repeatedly operable underground fishing tool |
| US11840901B2 (en) | 2022-02-24 | 2023-12-12 | Saudi Arabian Oil Company | Fishing welding tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190215 Termination date: 20210719 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |