CN207795542U - Claw type coupling arrangement - Google Patents
Claw type coupling arrangement Download PDFInfo
- Publication number
- CN207795542U CN207795542U CN201721798006.3U CN201721798006U CN207795542U CN 207795542 U CN207795542 U CN 207795542U CN 201721798006 U CN201721798006 U CN 201721798006U CN 207795542 U CN207795542 U CN 207795542U
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- CN
- China
- Prior art keywords
- connection
- oil pump
- low speed
- hydraulic oil
- speed hydraulic
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- 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.)
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Abstract
The utility model discloses a kind of claw type coupling arrangements, are related to mechanical shaft ends connection pump installation technical field.It includes the low speed hydraulic oil pump being fixed on by mounting flange on bearing (ball) cover, the input shaft of low speed hydraulic oil pump is fixedly connected on by key in the connection holes I being arranged inside connection flange, connection flange end is additionally provided with the connection pawl corresponding and connected to bent axle connection holes II, bent axle imparts power to the input shaft of low speed hydraulic oil pump by coupling pawl, the size of connection holes II is more than the appearance and size of connection pawl, the low speed hydraulic oil pump that the error of centralization generates when the utility model is in addition to solving to install seals the technical issues of eccentric wear, the necessary wide arc gap of input shaft of the connection holes for also solving connection flange and low speed hydraulic oil pump coordinates and the feather key problem of generation, it is simple in structure, it is easy to make.
Description
Technical field
The utility model is related to a kind of coupling arrangement, especially a kind of claw type applied to shaft end connection low speed hydraulic oil pump
Coupling arrangement.
Background technology
In the special equipment operation process of the oil fields such as oilfield well cleanout truck, cementing truck, core component three-cylinder plunger pump plunger
When lubrication carries out forced feed lubrication using low speed hydraulic oil pump, generally a power takeoff is installed additional in three-cylinder plunger pump bent axle one end,
For giving low speed hydraulic oil pump to provide power.How effective connecting mode is provided, becomes the installation of low speed hydraulic oil pump and needs to solve
A problem certainly.
Currently, existing power taking coupling arrangement mainly uses crankshaft end to fix, connection syringe pump method is blue, passes through the axis hole connection on flange
The method of low speed hydraulic oil pump input shaft is connect to solve low speed hydraulic oil pump articulation issues.This mode compares when to middle installation
Difficulty leads to oil pump during the work time along with the factor in crankshaft bearing travelling gap, and it is inclined because sealing pump shaft often occur
Mill, leaks.And the problem of in order to eliminate the error of centralization, flange axis hole are bigger than the size of low speed hydraulic oil pump input shaft
Very much（Mostly at 50 μm or more）, cause low speed hydraulic oil pump to be susceptible to feather key phenomenon at work, delay production process.
Invention content
The purpose of this utility model is exactly to provide a kind of claw type coupling arrangement the shortcomings that overcoming prior art device, pass through
Connection pawl is adopted with the connection holes I in the wide arc gap cooperation of crankshaft end connection holes and the input shaft and connection flange of low speed hydraulic oil pump
Coordinated with small―gap suture（Internal diameter 20 μ bigger than the outer diameter of the input shaft of low speed hydraulic oil pump of connection holes I i.e. in connection flange
Within m）, connection flange can be made when rotated, the free floating in crankshaft end connection holes, error of centralization when in addition to solving to install
The low speed hydraulic oil pump of generation seals eccentric wear, the technical issues of leakage, also solves the connection holes and low speed of connection flange
The necessary wide arc gap of the input shaft of hydraulic oil pump coordinates and the feather key problem of generation.
What the purpose of this utility model was realized in：Claw type coupling arrangement comprising axis is fixed on by mounting flange
The input shaft of the low speed hydraulic oil pump that socket end covers, low speed hydraulic oil pump is fixedly connected on setting inside connection flange by key
Connection holes I in, connection flange end is additionally provided with the connection pawl corresponding and connected to bent axle connection holes II, and bent axle passes through connection
Pawl imparts power to the input shaft of low speed hydraulic oil pump, and the size of connection holes II is more than the appearance and size of connection pawl.
A kind of improvement as the utility model, it is preferable that the connection pawl at least two, preferably three.
A kind of improvement as the utility model, it is preferable that the connection pawl is cylindrical structure, and connection holes II are trough type
Structure, the width of connection holes II are more than the outer diameter of connection pawl.
A kind of improvement as the utility model, it is preferable that the internal diameter of the connection holes I in the connection flange is than low speed liquid
Within big 20 μm of the outer diameter of the input shaft of pressure oil pump.
The beneficial effects of the utility model are：The utility model is matched by coupling the wide arc gap of pawl and crankshaft end connection holes II
It closes, connection flange can be made when rotated, the free floating in crankshaft end connection holes, error of centralization when efficiently solving installation
The low speed hydraulic oil pump of generation seals eccentric wear, the technical issues of leakage；In addition, passing through the connection holes I in connection flange
Within 20 μm bigger than the outer diameter of the input shaft of low speed hydraulic oil pump of internal diameter（Small―gap suture coordinates）, efficiently solve attached method
The internal diameter of connection holes I on orchid must be 50 μm bigger than the outer diameter of the input shaft of low speed hydraulic oil pump or more（Wide arc gap coordinates）
And the feather key problem generated, it is simple in structure, it is easy to make, greatly increase working efficiency.
Description of the drawings
Fig. 1 is the mounting structure schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the connection flange of the utility model；
Fig. 3 is the structural schematic diagram of the crankshaft end connection holes II of the utility model.
In figure, 1, low speed hydraulic oil pump, 2, mounting flange, 3, bearing (ball) cover, 4, connection flange, 41, connection holes I, 5, bent
Axis, 51, connection holes II, 6, connection pawl.
Specific implementation mode
In Fig. 1, claw type coupling arrangement, mainly the low speed hydraulic pressure by being fixed on by mounting flange 2 on bearing (ball) cover 3
Oil pump 1, mounting flange 2, bearing (ball) cover 3 and bent axle 5 form, and the input shaft of low speed hydraulic oil pump 1 is fixedly connected on connection by key
In the connection holes I 41 that 4 inside of acting flange is arranged, 4 end of connection flange is additionally provided with corresponding to the connection holes II 51 of 5 end of bent axle
（I.e. connection pawl 6 is corresponded with II 51 position of connection holes and quantity）And two connection pawls 6 being connected, bent axle 5 is by coupling pawl 6
The input shaft of low speed hydraulic oil pump 1 is imparted power to, connection pawl 6 is cylindrical structure, and connection holes II 51 are trough type structure, connection
The width for connecing hole II 51 is more than the outer diameter of connection pawl 6, and such structure can make the gap size between connection pawl 6 and connection holes II 51
It is sufficiently large, it is sufficient to make up 1 input shaft of low speed hydraulic oil pump and mismatch error caused by 5 centering of bent axle installation, be effectively prevented from
The low speed hydraulic oil pump 1 that the error of centralization generates when installation seals eccentric wear, the technical issues of leak.
A kind of improvement as the utility model, it is preferable that by the internal diameter of the connection holes I 41 in connection flange 4 than low
Within big 20 μm of the outer diameter of the input shaft of fast hydraulic oil pump 1（Small―gap suture coordinates）, efficiently solve in connection flange 4
The internal diameter of connection holes I 41 must be 50 μm bigger than the outer diameter of the input shaft of low speed hydraulic oil pump 1 or more（Wide arc gap coordinates）And
The feather key problem of generation.
In implementation process, the shape for coupling pawl 6 can be designed to than cylindrical, to be also designed to other shapes
Shape, such as rectangle, but it no matter is changed to any structure, the minimum dimension of corresponding connection holes II 51 should be greater than connection pawl 6
Full-size, sufficiently large be enough to make up low speed hydraulic oil pump 1 to meet the gap size between connection pawl 6 and connection holes II 51
Input shaft is installed with 5 centering of bent axle subject to generated mismatch error.Similarly, connection pawl 6 quantity number can be according to reality
Demand is laid out, such as three, four.
When work, dynamic torque is transmitted to by the connection holes II 51 on bent axle 5 on the connection pawl 6 of connection flange 4, then is led to
The connection holes I 41 crossed in connection flange 4 are transferred on 1 input shaft of low speed hydraulic oil pump, and driving low speed hydraulic oil pump 1 rotates.
In conclusion the utility model is coordinated by coupling pawl 6 and the wide arc gap of 5 end connection holes II 51 of bent axle, can make
When rotated, the free floating in 5 end connection holes II 51 of bent axle, the error of centralization generates connection flange 4 when efficiently solving installation
Low speed hydraulic oil pump 1 seal eccentric wear, the technical issues of leakage；In addition, passing through the connection holes I 41 in connection flange 4
Within 20 μm bigger than the outer diameter of the input shaft of low speed hydraulic oil pump 1 of internal diameter（Small―gap suture coordinates）, efficiently solve connection
The internal diameter of connection holes I 41 on flange 4 must be 50 μm bigger than the outer diameter of the input shaft of low speed hydraulic oil pump 1 or more（Between big
Gap coordinates）And the feather key problem generated.To sum up, by the mating reaction of above-mentioned each component, the utility model can be that lubrication is low
Fast hydraulic oil pump 1 provides effective connecting mode, meets three-cylinder plunger pump fluid end grease pump normal use demand, has simultaneously
There is the service life for extending low speed hydraulic oil pump 1 and reduces the effect of cost of equipment maintenance, it is simple in structure, it is easy to make, significantly
Ground improves work efficiency.
The present embodiment not makes any form of restriction the shape, structure etc. of the utility model, every according to this reality
With novel technical spirit to any simple modification, equivalent variations made by above example, the utility model technical side is belonged to
The protection domain of case.
Claims (4)
1. claw type coupling arrangement, it is characterised in that：It includes passing through mounting flange（2）It is fixed on bearing (ball) cover（3）On low speed
Hydraulic oil pump（1）, low speed hydraulic oil pump（1）Input shaft connection flange is fixedly connected on by key（4）The connection of inside setting
Hole I（41）It is interior, connection flange（4）End is additionally provided with and bent axle connection holes II（51）Corresponding and connected connection pawl（6）, bent axle
By coupling pawl（6）Impart power to low speed hydraulic oil pump（1）Input shaft, connection holes II（51）Size be more than connection pawl
（6）Appearance and size.
2. claw type coupling arrangement according to claim 1, it is characterised in that：The connection pawl（6）At least two.
3. claw type coupling arrangement according to claim 2, it is characterised in that：The connection pawl（6）For cylindrical structure, connection
Hole II（51）For trough type structure, connection holes II（51）Width be more than connection pawl（6）Outer diameter.
4. claw type coupling arrangement according to claim 1 or 2 or 3, it is characterised in that：The connection flange（4）On connection
Connect hole I（41）Internal diameter than low speed hydraulic oil pump（1）Input shaft big 20 μm of outer diameter within.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721798006.3U CN207795542U (en) | 2017-12-21 | 2017-12-21 | Claw type coupling arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721798006.3U CN207795542U (en) | 2017-12-21 | 2017-12-21 | Claw type coupling arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207795542U true CN207795542U (en) | 2018-08-31 |
Family
ID=63280629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721798006.3U Active CN207795542U (en) | 2017-12-21 | 2017-12-21 | Claw type coupling arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207795542U (en) |
-
2017
- 2017-12-21 CN CN201721798006.3U patent/CN207795542U/en active Active
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| GR01 | Patent grant |