CN207660535U - A kind of helicoid hydraulic motor - Google Patents
A kind of helicoid hydraulic motor Download PDFInfo
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- CN207660535U CN207660535U CN201721636314.6U CN201721636314U CN207660535U CN 207660535 U CN207660535 U CN 207660535U CN 201721636314 U CN201721636314 U CN 201721636314U CN 207660535 U CN207660535 U CN 207660535U
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- transmission shaft
- hydraulic motor
- goalpost
- helicoid hydraulic
- utility
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Abstract
The utility model provides a kind of helicoid hydraulic motor, including universal shaft and transmission shaft, and the universal shaft includes hinge, connecting rod, disjunctor water cap and goalpost type articulated structure living；The transmission shaft includes transmission shaft body, transmission shaft axis body and interior anti-drop structure.The utility model is using goalpost as load bearing component, and loaded area greatly increases compared with ball, and wearability, bearing capacity are greatly improved, and it is more steady efficient to transmit torque；The utility model reduces an articulated joint living, reduces processing cost, and one threaded connection place of optimization removal reduces security risk point；The utility model solves the problems, such as that the internal structures failure such as internal threading arrangement breaking releasing falls off, extends life of product and drilling safety improves drilling efficiency by the interior anti-drop structure being arranged inside transmission shaft；The utility model is provided with erosion control device, and material uses the high strength alloy steel higher than transmission shaft body to increase the transmission shaft service life to improve impact resistance ability herein, improves drilling efficiency.
Description
Technical field
The utility model is applied to petroleum drilling technology field more particularly to a kind of helicoid hydraulic motor.
Background technology
Helicoid hydraulic motor be one kind using drilling fluid as power source, liquid pressure energy is switched to the positive displacement well dynamic of mechanical energy
Drilling tool.Enter motor when the mud that slush pump pumps out flows through by-passing valve, forms certain pressure difference in the import and export of motor, push away
Turn is rotated around the axis of stator, and rotating speed and torque are passed to drill bit by universal shaft and transmission shaft, is bored to realize
Well operations.It is had many advantages compared with routinely drilling using helicoid hydraulic motor probing, if drill rod abrasion significantly declines, rate of penetration
It is high.It is the major appliances for beating directional hole, the especially application in directional well, horizontal well technology, in order to improve drilling quality
Important positive effect is played with bit speed, there is indispensable meaning in drilling field.
The service life of conventional screw drilling tool was generally within 150 hours, and weak link has very much,
Wherein the fast short life of universal shaft failure is an outstanding problem, it would be highly desirable to be solved.
There are mainly three types of prior art universal shaft structures：One is petal types, and one is sphere type, exception also has a kind of special
Profit number is ZL201620680738.1 gear shaping formulas；Wherein petal type structure is simple, but easily by cleaner for high-pressure drilling fluid erosion, the service life compared with
It is short；Although gear shaping formula is simple in structure easy to disassemble, universal effect is undesirable, the low poor practicability of working efficiency；Sphere type efficiency
High universal effect is good but because contact surface is line contact, the low wear-resisting type difference short life of bearing capacity.
In addition, prior art majority is hinged in connecting rod lower end and work, hinge living connects water cap with thread forms again, this
Kind structure is cumbersome, and of high cost and security risk point is more.
In addition, internal threading arrangement breaking releasing, " core pulling " etc. happen occasionally, these belong to internal structure failure and fall off
Problem, less serious case lead to drilling tool failure, and drill bit and drilling tool can be made to fall off well when serious, seriously affect life of product and drilling well peace
Entirely, it would be highly desirable to solve.In view of the above-mentioned problems, most in the prior art be arranged falling-proof apparatus using in helicoid hydraulic motor upper end, still,
Only play the role of preventing external shell from falling, can not solve the problems, such as that internal structure falls off.
In addition, wherein transmission shaft " disconnected thread head " happens occasionally, life of product and drilling safety are seriously affected, it would be highly desirable to solve
Certainly.The prior art is by improving transmission shaft bulk material properties, to improve its threaded interior hole tube body material mechanical performance to resist
The impact of high-pressure slurry prevents external screw thread from failing, and this method heat treatment operation difficulty is big, and quenching degree is bad, unstable quality is deposited
It is vulnerable in security risk, and cost is higher, is unfavorable for product price reduction and puies forward effect.
In consideration of it, the utility model provides a kind of helicoid hydraulic motor.
Invention content
The purpose of this utility model is to provide a kind of helicoid hydraulic motor, to solve the above problem of the existing technology.
To realize that the purpose of this utility model, the utility model provide a kind of helicoid hydraulic motor, including universal shaft and transmission
Axis, the universal shaft include hinge 11, connecting rod 4, disjunctor water cap 1 and goalpost type articulated structure living, 11 upper external screw threads of the hinge living
Motor is connected, lower end is connected by 8 type articulated structure of goalpost with connecting rod 4, and 1 upper end of disjunctor water cap is hingedly tied by goalpost type
Structure is connected with connecting rod 4, lower end internal thread and transmission axis connection；The transmission shaft includes transmission shaft body 101, transmission shaft axis body
104 and interior anti-drop structure, 104 upper external screw thread of transmission shaft axis body connects universal shaft water conservancy diversion water cap, the connection of lower end internal thread
Drill bit；101 outer housing of transmission shaft body is connected by screw thread with TC bearings Jing Quan, and the interior anti-drop structure includes spacer
105, pressure ring 106 and anti-lost snap ring 107, the anti-lost snap ring 107 are provided with snap ring and fix shoulder 108, the anti-lost outer shoulder of snap ring
109, snap ring convex surface 1010, wherein snap ring convex surface 1010 and 104 concave surface clearance fit of transmission shaft axis body, and it is solid by pressure ring 106
Due on transmission shaft axis body 104；It is arranged on external screw thread endoporus on the end face of 104 upper external screw thread one end of the transmission shaft axis body
There are erosion control device 1011,1011 outer diameter of erosion control device to be embedded in external screw thread endoporus in pyramid type, the intensity of material is higher than biography
The intensity of moving axis axis body 104.
Preferably, the goalpost type articulated structure includes goalpost 8, bulb 9, ball seat 10, pressure ring 7, rubber sheath 5, locking
Gland, hose clamp 3, wherein goalpost 8 are in both ends hemisphere middle circle column type, and it is recessed that top half is nested in hinge 11 or disjunctor water cap 1 living
In slot, in 4 groove of lower half portion sitting and lying connecting rod.
Preferably, 8 ball-type radius SR=20-26mm of the goalpost.
Preferably, the bulb 9 and 10 contact surface of ball seat are dome-type, radius SR=25-35mm.
Preferably, the bulb 9 and 10 contact surface of ball seat are dome-type, radius SR=30mm.
Preferably, the bulb 9 and 10 material of ball seat use hard copper alloy.
Preferably, anti-lost 109 outer diameter of outer shoulder of the snap ring is less than the interior shoulder outer diameter being arranged on TC bearings, gap
=-1.0mm~0mm.
Preferably, 1011 internal diameter end face of the erosion control device is horn mouth, with axis angle Q=30 ± 5 °.
Preferably, the erosion control device 1011 is interference fitted with external screw thread endoporus, interference volume=0.01-0.05mm.
Preferably, the material of the erosion control device 1011 uses high strength alloy steel.
Compared with the prior art, the beneficial effects of the utility model are that the utility model is using goalpost as load bearing component, with circle
Ball is greatly increased compared to loaded area, and wearability, bearing capacity are greatly improved, and transmission torque is more steady efficient, to solve
It the problem of bearing capacity low wear-resisting type difference short life, extends life of product and drilling safety improves drilling efficiency；This practicality
It is novel to reduce an articulated joint living, processing cost is reduced, one threaded connection place of optimization removal reduces security risk point,
Prior art construction is cumbersome to solving, the problem more than of high cost and security risk point, extends life of product and drilling well peace
It is complete to improve drilling efficiency；The utility model solves internal threading arrangement by the interior anti-drop structure being arranged inside transmission shaft
Be broken off, the internal structures such as " core pulling " failure falls off problem, extend life of product and drilling safety improve drilling efficiency；This
Utility model is provided with erosion control device, and material uses the high strength alloy steel higher than transmission shaft body to improve impact resistance herein
Ability improves drilling efficiency to increase the transmission shaft service life；It is of the existing technology because being solved using interchangeable erosion control device structure
The problems such as bulk heat treatmet operation difficulty is big, and quenching degree is bad, unstable quality；And its cost is relatively low, is conducive to product price reduction
Put forward effect.
Description of the drawings
Fig. 1 is the application goalpost type universal shaft outline structural diagram；
Fig. 2 is the application goalpost structure enlargement diagram；
Fig. 3 is the application ball seat fit structure schematic diagram；
Fig. 4 is the application spiral drilling rig structure schematic diagram；
Fig. 5 is the transmission shaft structure schematic diagram of the utility model：
Fig. 6 is the enlarged diagram of the interior anti-drop structure of the utility model：
Fig. 7 is the structural schematic diagram of the anti-lost snap ring of the utility model：
Fig. 8 is the structural schematic diagram of the utility model erosion control device；
In figure：1- water caps, the left locking glands of 2-, 3- hose clamps, 4- connecting rods, 5- rubber sheaths, the right locking glands of 6-, 7- pressures
Ring, 8- goalpost, 9- bulbs, 10- ball seats, 11-, which lives, to be cut with scissors, 101- transmission shaft bodies, anti-drop structure in 102-, and 103-TC bearings are dynamic
Circle, 104- transmission shaft axis bodies, 105- spacers, 106- pressure rings, the anti-lost snap rings of 107-, 108- snap rings fix shoulder, and 109- snap rings are anti-
Fall outer shoulder, 1010- snap rings convex surface, 1011- erosion control devices, 1101- male cone (strobilus masculinus)s, 1102- horn mouths.
Specific implementation mode
The utility model is described in further detail below in conjunction with specific embodiment.It should be appreciated that described herein
Specific embodiment is only used to explain the utility model, is not used to limit the utility model.
It should be noted that term used herein above is merely to describe specific implementation mode, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
Be also intended to include plural form, additionally, it should be understood that, when in the present specification using belong to "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, component or module, component and/or combination thereof.
It should be noted that the term " first ", " second " etc. in the description and claims of this application are to be used for
Similar object is distinguished, without being used to describe specific sequence or precedence.It should be appreciated that the data used in this way are suitable
It can be interchanged in the case of, so as to presently filed embodiment described herein.In addition, term " comprising " and " having " and he
Any deformation, it is intended that cover it is non-exclusive include, for example, contain the process of series of steps or unit, method,
System, product or equipment those of are not necessarily limited to clearly to list step or unit, but may include not listing clearly
Or for the intrinsic other steps of these processes, method, product or equipment or unit.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.
As Figure 1-Figure 8, the utility model provides a kind of helicoid hydraulic motor, including universal shaft and transmission shaft, and described ten thousand
Include hinge 11, connecting rod 4, disjunctor water cap 1 and goalpost type articulated structure living to axis, 11 upper external screw threads of the hinge living connect motor,
Lower end is connected by 8 type articulated structure of goalpost with connecting rod 4, and 1 upper end of disjunctor water cap passes through goalpost type articulated structure and connecting rod 4
It is connected, lower end internal thread and transmission axis connection；The transmission shaft includes transmission shaft body 101, transmission shaft axis body 104 and interior anti-lost
Structure, 104 upper external screw thread of transmission shaft axis body connect universal shaft water conservancy diversion water cap, and lower end internal thread connects drill bit；The biography
101 outer housing of moving axis ontology is connected by screw thread with TC bearings Jing Quan, the interior anti-drop structure include spacer 105, pressure ring 106 and
Anti-lost snap ring 107, the anti-lost snap ring 107 are provided with snap ring and fix shoulder 108, the anti-lost outer shoulder 109 of snap ring, snap ring convex surface
1010, wherein snap ring convex surface 1010 and 104 concave surface clearance fit of transmission shaft axis body, and transmission shafts are fixed on by pressure ring 106
On body 104；It is provided with erosion control device on external screw thread endoporus on the end face of 104 upper external screw thread one end of the transmission shaft axis body
1011,1011 outer diameter of erosion control device is embedded in pyramid type in external screw thread endoporus, and the intensity of material is higher than transmission shaft axis body
104 intensity.
Preferably, the goalpost type articulated structure includes goalpost 8, bulb 9, ball seat 10, pressure ring 7, rubber sheath 5, locking
Gland, hose clamp 3, wherein goalpost 8 are in both ends hemisphere middle circle column type, and it is recessed that top half is nested in hinge 11 or disjunctor water cap 1 living
In slot, in 4 groove of lower half portion sitting and lying connecting rod；In 4 groove of lower half portion sitting and lying connecting rod, 9 upper end of bulb contacts lower end with connecting rod 4
It is connected with disjunctor water cap 1 or 11 endoporus of hinge living by ball seat 10；5 upper end of rubber sheath is fixed on by hose clamp 3 in connecting rod annular groove,
Pressure ring 7 is wrapped in inside it, outside is provided with left locking gland 2, and left locking gland 2 is connected through a screw thread form and disjunctor water cap
1 connection, and goalpost 8, bulb 9, ball seat 10, pressure ring 7 are lock onto inside disjunctor water cap 1, and ensure connecting rod by rubber sheath 5
4 can circumferentially keep certain angle freely activity with disjunctor water cap 1 by its articulated structure.
Preferably, 8 ball-type radius SR=20-26mm of the goalpost.
Preferably, the bulb 9 and 10 contact surface of ball seat are dome-type, radius SR=25-35mm.
Preferably, the bulb 9 and 10 contact surface of ball seat are dome-type, radius SR=30mm.
Preferably, the bulb 9 and 10 material of ball seat use hard copper alloy.
Preferably, anti-lost 109 outer diameter of outer shoulder of the snap ring is less than the interior shoulder outer diameter being arranged on TC bearings, gap
=-1.0mm~0mm.
Preferably, 1011 internal diameter end face of the erosion control device is horn mouth, with axis angle Q=30 ± 5 °.
Preferably, the erosion control device 1011 is interference fitted with external screw thread endoporus, interference volume=0.01-0.05mm.
Preferably, the material of the erosion control device 1011 uses high strength alloy steel.
The utility model is using goalpost as load bearing component, and loaded area greatly increases compared with ball, wearability, bearing capacity
It is greatly improved, transmission torque is more steady efficient, to solve the problems, such as the low wear-resisting type difference short life of bearing capacity, extends
Life of product and drilling safety improve drilling efficiency；The utility model reduces an articulated joint living, reduces processing cost, excellent
Change one threaded connection place of removal, reduces security risk point, of high cost and safety wind cumbersome to solve prior art construction
The more problem of danger point, extends life of product and drilling safety improves drilling efficiency；The utility model passes through inside transmission shaft
The interior anti-drop structure being arranged solves the problems, such as that the internal structures failure such as internal threading arrangement breaking releasing, " core pulling " falls off, extends
Life of product and drilling safety improve drilling efficiency；The utility model is provided with erosion control device, and material, which uses, is higher than transmission shaft
The high strength alloy steel of ontology increases the transmission shaft service life to improve impact resistance ability herein, improves drilling efficiency；Because adopting
Big with interchangeable erosion control device structure solution bulk heat treatmet operation difficulty of the existing technology, quenching degree is bad, quality is unstable
The problems such as determining；And its cost is relatively low, is conducive to product price reduction and puies forward effect.
The above is only the preferred embodiment of the utility model, it is noted that for the general of the art
For logical technical staff, without departing from the principle of this utility model, several improvements and modifications can also be made, these change
The scope of protection of the utility model is also should be regarded as into retouching.
Claims (10)
1. a kind of helicoid hydraulic motor, which is characterized in that including universal shaft and transmission shaft, the universal shaft includes live hinge (11), connecting rod
(4), disjunctor water cap (1) and goalpost type articulated structure, described hinge (11) upper external screw thread living connect motor, and lower end passes through goalpost
(8) type articulated structure is connected with connecting rod (4), and disjunctor water cap (1) upper end passes through goalpost type articulated structure and connecting rod (4) phase
Even, lower end internal thread and transmission axis connection；The transmission shaft includes transmission shaft body (101), transmission shaft axis body (104) and interior anti-
Fall structure, transmission shaft axis body (104) upper external screw thread connects universal shaft water conservancy diversion water cap, and lower end internal thread connects drill bit；Institute
State transmission shaft body (101) outer housing be connected with TC bearings Jing Quan by screw thread, the interior anti-drop structure include spacer (105),
Pressure ring (106) and anti-lost snap ring (107), it is anti-lost outer that the anti-lost snap ring (107) is provided with snap ring fixation shoulder (108), snap ring
Shoulder (109), snap ring convex surface (1010), wherein snap ring convex surface (1010) and transmission shaft axis body (104) concave surface clearance fit, and lead to
Pressure ring (106) is crossed to be fixed on transmission shaft axis body (104)；On the end face of described transmission shaft axis body (104) upper external screw thread one end
External screw thread endoporus on be provided with erosion control device (1011), erosion control device (1011) outer diameter is embedded in external screw thread endoporus in pyramid type
Interior, the intensity of material is higher than the intensity of transmission shaft axis body (104).
2. helicoid hydraulic motor according to claim 1, which is characterized in that the goalpost type articulated structure includes goalpost (8), ball
Head (9), ball seat (10), pressure ring (7), rubber sheath (5), locking gland, hose clamp (3), wherein goalpost (8) is among the hemisphere of both ends
Cylindrical type, top half is nested in hinge (11) or disjunctor water cap (1) groove living, in lower half portion sitting and lying connecting rod (4) groove.
3. helicoid hydraulic motor according to claim 2, which is characterized in that goalpost (8) the ball-type radius SR=20-26mm.
4. helicoid hydraulic motor according to claim 2, which is characterized in that the bulb (9) is half with ball seat (10) contact surface
Ball-type, radius SR=25-35mm.
5. helicoid hydraulic motor according to claim 4, which is characterized in that the bulb (9) is half with ball seat (10) contact surface
Ball-type, radius SR=30mm.
6. helicoid hydraulic motor according to claim 5, which is characterized in that the bulb (9) and ball seat (10) material are using hard
Matter copper alloy.
7. helicoid hydraulic motor according to claim 1, which is characterized in that anti-lost outer shoulder (109) outer diameter of snap ring is less than
The interior shoulder outer diameter being arranged on TC bearings, gap=- 1.0mm~0mm.
8. helicoid hydraulic motor according to claim 1, which is characterized in that erosion control device (1011) the internal diameter end face is loudspeaker
Mouthful, with axis angle Q=30 ± 5 °.
9. helicoid hydraulic motor according to claim 1, which is characterized in that the erosion control device (1011) and external screw thread endoporus interference
Cooperation, interference volume=0.01-0.05mm.
10. helicoid hydraulic motor according to claim 1, which is characterized in that the material of the erosion control device (1011) is using high-strength
Spend steel alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721636314.6U CN207660535U (en) | 2017-11-30 | 2017-11-30 | A kind of helicoid hydraulic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721636314.6U CN207660535U (en) | 2017-11-30 | 2017-11-30 | A kind of helicoid hydraulic motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207660535U true CN207660535U (en) | 2018-07-27 |
Family
ID=62946770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721636314.6U Active CN207660535U (en) | 2017-11-30 | 2017-11-30 | A kind of helicoid hydraulic motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207660535U (en) |
-
2017
- 2017-11-30 CN CN201721636314.6U patent/CN207660535U/en active Active
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