CN206530289U - Screw rod jump bit - Google Patents
Screw rod jump bit Download PDFInfo
- Publication number
- CN206530289U CN206530289U CN201621004756.4U CN201621004756U CN206530289U CN 206530289 U CN206530289 U CN 206530289U CN 201621004756 U CN201621004756 U CN 201621004756U CN 206530289 U CN206530289 U CN 206530289U
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- CN
- China
- Prior art keywords
- left end
- arresting disk
- hand member
- groups
- external screw
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model is related to oil drilling cementing technology field, more particularly to a kind of screw rod jump bit, including alternative joint, position-arresting disk, motor stator, motor rotor and edge cam, position-arresting disk is arranged in the locating slot of the motor stator left end, position-arresting disk left end outward flange is compressed at the top of the alternative joint external screw thread, position-arresting disk right-hand member centre cylinder connects with the motor rotor left side plays position-limiting action, motor rotor right-hand member internal thread is connected with the edge cam external screw thread, edge cam right side is contacted with the self aligning roller bearing face installed in water cap, the internal thread of water cap right-hand member is connected with thrust axis left end microcephaly's external screw thread, thrust axis spindle nose left end has spline structure, and be mutually inserted with the quiet spline structure put of lower TC bearings.This instrument then can complete broken rock task by the axial force itself provided in the case, and the vibrations produced additionally, due to the axially reciprocating that instrument itself is produced can also effectively alleviate the backing pressure phenomenon of drilling tool.
Description
Technical field
The utility model is related to oil drilling cementing technology field, more particularly to a kind of screw rod jump bit.
Background technology
At present, underground helicoid hydraulic motor is used in the drilling engineering of petroleum gas, is the drilling well of main flow in the world at present
Instrument, its working method is driven by mud, drives bit broken rock, and axial feed is provided by the pressure of the drill entirely, the impact to rock
Power effect is not obvious, and the cutting grain degree that its drilling bit high-speed rotary is cut in addition is smaller, it has not been convenient to geological logging personnel
The rotary cutting of drill bit is then changed to axially reciprocating by the judgement to bottom lithology, this structure, and one is provided certainly for drill bit
The axial force of band, the impact that multi-frequency is carried out to rock completes broken rock task.It the advantage is that in the serious situation of underground backing pressure
Under, effect of the pressure of the drill to drill bit be not obvious, and drill bit can not be eaten such as stratum well, only poor by rotary cutting rock breaking efficiency,
This structure then can complete broken rock task by the axial force itself provided in the case, be produced additionally, due to instrument itself
The vibrations that axially reciprocating is produced can also effectively alleviate the backing pressure phenomenon of drilling tool.
Utility model content
The purpose of this utility model is to overcome the shortcomings of above-mentioned technology, and provides a kind of screw rod jump bit, effective slow
Solve the backing pressure phenomenon of drilling tool.
The utility model to achieve the above object, using following technical scheme：
A kind of screw rod jump bit, it is characterised in that：Including alternative joint, position-arresting disk, motor stator, motor rotor and end
Face cam, the position-arresting disk is arranged in the locating slot of the motor stator left end, and the position-arresting disk left end outward flange is by described
Compressed at the top of alternative joint external screw thread, the position-arresting disk right-hand member centre cylinder connects with the motor rotor left side to be played
Position-limiting action, the motor rotor right-hand member internal thread is connected with the edge cam external screw thread, the edge cam right side with
Ladder hole is respectively equipped with the middle of the self aligning roller bearing face contact installed in water cap, the edge cam and water cap, it is described
Anti-lost nut is placed with inside shoulder hole, the two ends of anti-lost connecting rod are connected with the anti-lost nut thread respectively, the water cap is right
The internal thread at end is connected with thrust axis left end microcephaly's external screw thread, and thrust axis two ends have two groups of TC bearings to play spacing metering function,
What is connected with TC bearing groups has between two groups of thrust bearings, two groups of thrust bearings by two groups of disc spring group difference support compressions, two groups
Disc spring is by the endoporus shoulder segmentation in the middle of spring overcoat, it is ensured that one group of spring compression and another group of spring stretches, thrust axis spindle nose
Left end has spline structure, and is mutually inserted with the quiet spline structure put of lower TC bearings.
Preferably, the position-arresting disk is to have multiple flowing holes in hard alloy, disk body.
Preferably, the water cap left end has a cylindrical structure with locating slot, self aligning roller bearing with bearing locating rod by its
It is fixed therein, has excessively stream hydrophthalmia in the middle part of water cap.
The beneficial effects of the utility model are:Compared with prior art, this structure by with space cam structure
With the circular-rotation for producing power motor part changes into axial reciprocating motion, the advantage is that tight in underground backing pressure
In the case of weight, effect of the pressure of the drill to drill bit be not obvious, and drill bit can not be eaten such as stratum well, only by rotary cutting broken rock effect
Really poor, this instrument then can complete broken rock task by the axial force itself provided in the case, additionally, due to instrument certainly
The vibrations that the axially reciprocating that body is produced is produced can also effectively alleviate the backing pressure phenomenon of drilling tool.
Brief description of the drawings
Fig. 1 is top half structural representation of the present utility model；
Fig. 2 is the latter half structural representation of the present utility model；
In figure：1st, alternative joint；2nd, position-arresting disk；3rd, motor stator；4th, motor rotor；5th, anti-lost nut；6th, edge cam；
7th, anti-lost connecting rod；8th, bearing locating rod；9th, self aligning roller bearing；10th, water cap；11st, straight housing；12nd, the quiet set of TC bearings on first；
13rd, the dynamic set of TC bearings on first；14th, lock tube；15th, upper spacer；16th, moving-coil on the first thrust bearing；17th, on the first thrust bearing
Jing Quan；18th, the first disc spring group；19th, spring overcoat；20th, thrust shaft housing；21st, the second disc spring group；22nd, under the second thrust bearing
Jing Quan；23rd, moving-coil under the second thrust bearing；24th, lower spacer；25th, the quiet set of second time TC bearing；26th, the dynamic set of second time TC bearing；
27th, thrust axis.
Embodiment
Below in conjunction with the accompanying drawings and preferred embodiment describes embodiment of the present utility model in detail.Such as Fig. 1 and Fig. 2 institutes
Show, a kind of screw rod jump bit, including alternative joint 1, position-arresting disk 2, screw motor, spatial cam and thrust axle assembly,
The position-arresting disk 2 is arranged in the locating slot of the left end of motor stator 3, and the left end outward flange of position-arresting disk 2 is by the alternative external screw thread top of joint 1
Portion is compressed, and the right-hand member centre cylinder of position-arresting disk 2 connects with the left side of motor rotor 4 plays position-limiting action, the right-hand member of motor rotor 4
Internal thread is connected with the external screw thread of edge cam 6, the right side of edge cam 6 and the end face of self aligning roller bearing 9 installed in water cap 10
Contact, the internal thread of the right-hand member of water cap 10 is connected with the left end microcephaly's external screw thread of thrust axis 27, and there are two groups of TC bearings at the two ends of thrust axis 27
Spacing metering function is played, one group of TC bearing dynamic set 13 of TC bearings on the quiet set 12 and first of TC bearings on first is constituted, another
Group TC bearings are made up of the quiet set 25 of second time TC bearing and the dynamic set 26 of second time TC bearing, and what is connected with TC bearing groups has two groups to push away
Power bearing, one group of thrust bearing quiet circle 17 on moving-coil 16 on the first thrust bearing, the first thrust bearing is constituted, another group of thrust
Moving-coil 23 is constituted bearing under the 22, second thrust bearing of quiet circle under the second thrust bearing, by two groups of dish between two groups of thrust bearings
Spring group（First disc spring group 18, the second disc spring group 21）Difference support compression, two groups of disc springs are by the endoporus shoulder in the middle of spring overcoat
Segmentation, it is ensured that one group of spring compression and another group of spring stretches, the spindle nose left end of thrust axis 27 has a spline structure, and with second time TC
Spline structure on the quiet set 26 of bearing is mutually inserted.
In order to prevent the position-arresting disk described in current erosion, material is to have multiple flowing holes reductions pair in hard alloy, disk body
The barrier effect of mud.
In order to realize that the rotation by motor becomes to be axially moved what spy was constituted using edge cam 6 with self aligning roller bearing 9
Spatial cam, the left end of water cap 10 has the cylindrical structure with locating slot, and self aligning roller bearing 9 will with bearing locating rod 8
It is fixed therein, and edge cam 6 is rotated with the autobiography of motor rotor, its surface and the joint of self aligning roller bearing 9, foundation
Cam characteristic self aligning roller bearing 9 is in the reciprocating motion during the autobiography of edge cam 6 above and below completion.The edge cam 6,
There is ladder hole in the middle of water cap 10, inside is placed with anti-lost nut 5, anti-lost connecting rod 7, and is connected by screw thread.
Two groups of described thrust bearings, have a circle PDC hard-metal inserts, have spline structure and upper spacer on the quiet set of bearing
15th, lower spacer 24 is connected.
Described thrust axis 27, spindle nose left end has spline structure, with the quiet set mutual cooperation limit thrust axle of lower TC bearings 26
27 circular-rotation, completes axially reciprocating well.
The utilization by using space cam structure of this structure, the circular-rotation that power motor part is produced changes
It for the reciprocating motion of axial direction, the advantage is that in the case where underground backing pressure is serious, effect of the pressure of the drill to drill bit be not obvious, bore
Head can not be eaten such as stratum well, and only poor by rotary cutting rock breaking efficiency, this instrument can then rely on itself in the case
The axial force of offer completes broken rock task, and the vibrations produced additionally, due to the axially reciprocating that instrument itself is produced can also have
The backing pressure phenomenon of the alleviation drilling tool of effect.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (3)
1. a kind of screw rod jump bit, it is characterised in that：Including alternative joint, position-arresting disk, motor stator, motor rotor and end face
Cam, the position-arresting disk is arranged in the locating slot of the motor stator left end, and the position-arresting disk left end outward flange is by the generation
Compressed with the top of joint external screw thread, the position-arresting disk right-hand member centre cylinder connects with the motor rotor left side plays limit
Position effect, the motor rotor right-hand member internal thread is connected with the edge cam external screw thread, the edge cam right side and water
Shoulder hole, the ladder are respectively equipped with the middle of the self aligning roller bearing face contact installed on cap, the edge cam and water cap
Anti-lost nut is placed with inside hole, the two ends of anti-lost connecting rod are connected with the anti-lost nut thread respectively, the water cap right-hand member
Internal thread is connected with thrust axis left end microcephaly's external screw thread, and thrust axis two ends have two groups of TC bearings to play spacing metering function, with TC
What bearing group connected has between two groups of thrust bearings, two groups of thrust bearings by two groups of disc spring group difference support compressions, two groups of disc springs
Group is by the endoporus shoulder segmentation in the middle of spring overcoat, it is ensured that one group of disc spring group is compressed and another group of disc spring group stretches, thrust axis axle
Head left end has spline structure, and is mutually inserted with the quiet spline structure put of lower TC bearings.
2. screw rod jump bit according to claim 1, it is characterised in that：The position-arresting disk is to have in hard alloy, disk body
Multiple flowing holes.
3. screw rod jump bit according to claim 1, it is characterised in that：The water cap left end has the cylinder knot with locating slot
Structure, self aligning roller bearing is fixed wherein with bearing locating rod, has excessively stream hydrophthalmia in the middle part of water cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621004756.4U CN206530289U (en) | 2016-08-30 | 2016-08-30 | Screw rod jump bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621004756.4U CN206530289U (en) | 2016-08-30 | 2016-08-30 | Screw rod jump bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206530289U true CN206530289U (en) | 2017-09-29 |
Family
ID=59922436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621004756.4U Withdrawn - After Issue CN206530289U (en) | 2016-08-30 | 2016-08-30 | Screw rod jump bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206530289U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194008A (en) * | 2016-08-30 | 2016-12-07 | 天津立林石油机械有限公司 | Screw rod jump bit |
| CN112593846A (en) * | 2020-12-03 | 2021-04-02 | 中国石油天然气股份有限公司大港油田分公司 | Axial impact vibration drilling tool with adjustable impact characteristics |
-
2016
- 2016-08-30 CN CN201621004756.4U patent/CN206530289U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194008A (en) * | 2016-08-30 | 2016-12-07 | 天津立林石油机械有限公司 | Screw rod jump bit |
| CN106194008B (en) * | 2016-08-30 | 2018-10-26 | 天津立林石油机械有限公司 | Screw rod jump bit |
| CN112593846A (en) * | 2020-12-03 | 2021-04-02 | 中国石油天然气股份有限公司大港油田分公司 | Axial impact vibration drilling tool with adjustable impact characteristics |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170929 Effective date of abandoning: 20181026 |
|
| AV01 | Patent right actively abandoned |