CN207648054U - A kind of worm gear pair and the direct-connected deceleration device of bent axle - Google Patents
A kind of worm gear pair and the direct-connected deceleration device of bent axle Download PDFInfo
- Publication number
- CN207648054U CN207648054U CN201721790446.4U CN201721790446U CN207648054U CN 207648054 U CN207648054 U CN 207648054U CN 201721790446 U CN201721790446 U CN 201721790446U CN 207648054 U CN207648054 U CN 207648054U
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- bent axle
- worm gear
- worm
- worm screw
- gear pair
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- 238000012423 maintenance Methods 0.000 abstract description 7
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- 230000005540 biological transmission Effects 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 241000237858 Gastropoda Species 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model is related to a kind of worm gear pairs and the direct-connected deceleration device of bent axle, including crank assemblby and worm gear pair assembly, the crank assemblby includes crankcase and bent axle, the worm gear pair assembly includes worm screw auxiliary box body, worm gear and worm screw, the crankcase is connect with the worm screw auxiliary box body, the worm gear is cirque structure, and it is engaged with the worm screw, the center line of the axis of the bent axle and the worm gear is on the same line, the bent axle includes bent axle driving spindle nose, the bent axle driving spindle nose extend into the inside of the worm gear, and is connect with the worm gear.The utility model type of attachment is simple, compact-sized, and mechanical efficiency is high, and rigidity is good, convenient for installation and maintenance quick, is not only able to obtain larger reduction ratio, can transmit larger torque, and transmission efficiency.
Description
Technical field
The utility model is related to a kind of worm gear pairs and the direct-connected deceleration device of bent axle, belong to deceleration transmission technical field.
Background technology
In the prior art, the slowing-down structure of oil field operation three-cylinder plunger pump mainly uses the following two kinds form：It is a kind of
It is gear pair deceleration mechanism, another kind is worm gear pair deceleration mechanism.
The shortcomings that gear pair slowing-down structure is that reduction ratio is small, can not transmitting large torque, cause plunger pump discharge pressure and
It is small that power is discharged；Although and the reduction ratio of worm gear pair deceleration mechanism is big, can transmit larger torque, worm screw auxiliary structure and song
The type of attachment of axis is complicated, causes transmission efficiency low, and maintenance process is difficult.It is current for how solving the connection of worm gear pair and bent axle
Urgent problem to be solved.
Utility model content
The utility model connecting simple, compact-sized, transmission efficiency in view of the deficienciess of the prior art, offer is a kind of
Height, worm gear pair easy to maintain and the direct-connected deceleration device of bent axle.
The technical solution that the utility model solves above-mentioned technical problem is as follows：Including crank assemblby and worm gear pair assembly, institute
It includes crankcase and bent axle to state crank assemblby, and the worm gear pair assembly includes worm screw auxiliary box body, worm gear and worm screw, and feature exists
In the crankcase is connect with the worm screw auxiliary box body, and the worm gear is cirque structure, and is engaged with the worm screw, institute
It includes bent axle driving spindle nose to state bent axle, and the bent axle driving spindle nose extend into the inside of the worm screw auxiliary box body, and the worm gear is solid
Surely it is sleeved on the bent axle driving spindle nose, the axis of the bent axle driving spindle nose is with the center line of the worm gear in same straight line
On.
The utility model has the beneficial effects that：Crankcase is connect with worm screw auxiliary box body, and bent axle drives spindle nose to stretch out bent axle
Babinet is extend into worm screw auxiliary box body, and the inside for being sleeved on the worm gear of circular ring shape is directly connected to worm gear, passes through bent axle and snail
The structure change realization bent axle of wheel and being directly connected to for worm gear, the utility model type of attachment is simple, compact-sized, mechanical efficiency
Height, rigidity is good, convenient for installation and maintenance quick, is not only able to obtain larger reduction ratio, and can transmit larger torque, be driven
It is efficient.
Based on the above technical solution, the utility model can also do following improvement.
Further, the bent axle driving spindle nose is equipped with annular convex platform, and the inner wall of the worm gear is equipped with and the ring
Shape boss compatible positioning convex platform is respectively provided with the mounting hole of mounting screw on the positioning convex platform, annular convex platform.
Advantageous effect using above-mentioned further scheme is to realize that bent axle drives spindle nose and snail by the mutual cooperation of boss
The positioning of wheel, then screw pass through the mounting hole on boss to realize being directly connected to for bent axle and worm gear, entire connection structure is simple,
It is easy for installation, also allow for postorder maintenance.
Further, the worm screw is connect by taper roll bearing with the worm screw auxiliary box body.
Advantageous effect using above-mentioned further scheme is large carrying capacity, can bear axial load, can limit axis
Axial displacement.
Further, the worm screw is equipped with driving flange.
Advantageous effect using above-mentioned further scheme is, convenient to be connect with power source.
Further, the bent axle driving spindle nose is connect by bearing with the crankcase.
Advantageous effect using above-mentioned further scheme is convenient for installation and maintenance, accurate positioning, is convenient for crankshaft action.
Description of the drawings
Fig. 1 is the worm gear and the direct-connected structural schematic diagram of bent axle of the utility model；
Fig. 2 is the structural schematic diagram of the worm and gear of the utility model；
In figure, 1, screw；2, worm gear；21, positioning convex platform；3, crank assemblby；31, crankcase；32, bent axle drive shaft
Head；33, annular convex platform；4, connecting rod cross head assembly；5, fluid end assembly；6, driving flange；7, worm screw；71, taper roller axis
It holds；8, bearing.
Specific implementation mode
The principles of the present invention and feature are described below in conjunction with example, example is served only for explaining this practicality
It is novel, it is not intended to limit the scope of the utility model.
As depicted in figs. 1 and 2, a kind of worm gear pair and the direct-connected deceleration device of bent axle, including crank assemblby and worm screw vice president
Include crankcase and bent axle at, the crank assemblby 3, the worm gear pair assembly includes worm screw auxiliary box body, worm gear 2 and worm screw 7,
The crankcase 31 is connect with the worm screw auxiliary box body, and the worm gear is cirque structure, and is engaged with the worm screw, described
Bent axle includes bent axle driving spindle nose 32, and the bent axle driving spindle nose extend into the inside of the worm screw auxiliary box body, and the worm gear is solid
Surely it is sleeved on the driving spindle nose, the axis of the bent axle driving spindle nose 32 is with the center line of the worm gear in same straight line
On.It is not drawn into worm screw in wherein Fig. 1.
The bent axle driving spindle nose 32 is equipped with annular convex platform 33, and the inner wall of the worm gear 2 is equipped with and the convex annular
Platform compatible positioning convex platform 21 is respectively provided with the mounting hole of mounting screw 1 on the positioning convex platform, annular convex platform.It is logical
The positioning of bent axle driving spindle nose and worm gear is realized in the mutual cooperation for crossing boss, and then screw passes through the mounting hole on boss, realizes
Bent axle and worm gear are directly connected to, and entire connection structure is simple, easy for installation, also allow for postorder maintenance.
The both ends of the worm screw 7 are connect by taper roll bearing 71 with the worm screw auxiliary box body respectively.Large carrying capacity,
Axial load can be born, the axial displacement of axis can be limited.
The worm screw is equipped with driving flange 6.It is convenient to be connect with power source.
The bent axle driving spindle nose is connect by bearing 8 with the crankcase.It is convenient for installation and maintenance, accurate positioning, just
In crankshaft action.
The course of work：Worm screw is connect by driving flange with engine, is slowed down by worm gear pair, and worm gear drives direct therewith
Connected crank assemblby rotates.Crank assemblby 3 is connect by connecting rod cross head assembly 4 with fluid end assembly 5, fluid end
Assembly is made of the split type clack box of at least two, and bent axle acts under worm screw side effect, then drives connecting rod cross head assembly, will
Convert rotational motion is linear reciprocating motion, to drive the open and close of inlet valve and dump valve and push fluid end assembly
Normal work.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (5)
1. a kind of worm gear pair and the direct-connected deceleration device of bent axle, including crank assemblby and worm gear pair assembly, the crank assemblby packet
Crankcase and bent axle are included, the worm gear pair assembly includes worm screw auxiliary box body, worm gear and worm screw, which is characterized in that the bent axle
Babinet is connect with the worm screw auxiliary box body, and the worm gear is cirque structure, and is engaged with the worm screw, and the bent axle includes song
Axis drives spindle nose, the bent axle driving spindle nose to extend into the inside of the worm screw auxiliary box body, and the worm gear is fixedly set in described
Bent axle drives on spindle nose, and the axis of the bent axle driving spindle nose and the center line of the worm gear are on the same line.
2. worm gear pair according to claim 1 and the direct-connected deceleration device of bent axle, which is characterized in that the bent axle drive shaft
Head is equipped with annular convex platform, and the inner wall of the worm gear is equipped with positioning convex platform compatible with the annular convex platform, the positioning
The mounting hole of mounting screw is respectively provided on boss, annular convex platform.
3. worm gear pair according to claim 1 or 2 and the direct-connected deceleration device of bent axle, which is characterized in that the worm screw is logical
Taper roll bearing is crossed to connect with the worm screw auxiliary box body.
4. worm gear pair according to claim 1 and the direct-connected deceleration device of bent axle, which is characterized in that the worm screw is equipped with
Driving flange.
5. worm gear pair according to claim 1 and the direct-connected deceleration device of bent axle, which is characterized in that the bent axle drive shaft
Head is connect by bearing with the crankcase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721790446.4U CN207648054U (en) | 2017-12-20 | 2017-12-20 | A kind of worm gear pair and the direct-connected deceleration device of bent axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721790446.4U CN207648054U (en) | 2017-12-20 | 2017-12-20 | A kind of worm gear pair and the direct-connected deceleration device of bent axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207648054U true CN207648054U (en) | 2018-07-24 |
Family
ID=62877729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721790446.4U Active CN207648054U (en) | 2017-12-20 | 2017-12-20 | A kind of worm gear pair and the direct-connected deceleration device of bent axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207648054U (en) |
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