CN207848146U - The double anti-crank pin assemblies of pumping unit - Google Patents
The double anti-crank pin assemblies of pumping unit Download PDFInfo
- Publication number
- CN207848146U CN207848146U CN201820226947.8U CN201820226947U CN207848146U CN 207848146 U CN207848146 U CN 207848146U CN 201820226947 U CN201820226947 U CN 201820226947U CN 207848146 U CN207848146 U CN 207848146U
- Authority
- CN
- China
- Prior art keywords
- cap nut
- crank
- pin
- gasket
- head
- 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
- 238000005086 pumping Methods 0.000 title claims abstract description 14
- 230000000712 assembly Effects 0.000 title claims abstract description 12
- 238000000429 assembly Methods 0.000 title claims abstract description 12
- 238000009434 installation Methods 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 description 3
- 239000003637 basic solution Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
Landscapes
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The double anti-crank pin assemblies of the pumping unit of the utility model, it is related to connection accessory used for oil extractor, it is to be made of crank-pin, cap nut and bearing, the head of the crank-pin is cased with gasket, the both sides of gasket are respectively equipped with pitch face I and radial repousse, the head threads of crank-pin are connected to cap nut, the bottom surface of cap nut is equipped with pitch face II and is engaged with I phase of the pitch face of gasket, the head of cap nut is tilted conical, the head threads of cap nut are connected to screw standby cap, the tail portion of crank-pin is equipped with bearing, and the tail portion of bearing is equipped with pressing plate.The utility model is advantageous in that：1, the clamping force for ensuring to still maintain connector under strong vibration, better than the fastener for carrying out self-locking by frictional force；2, the bolt looseness caused by vibration is prevented, relevant issues caused by being loosened due to fastener no longer occur；3, special mounting work is not needed, it is easy to installation and removal；Temperature, which changes, so that connector is loosened；4, there is durability, reusable.
Description
Technical field
The utility model is related to connection accessory used for oil extractor more particularly to a kind of double anti-crank pin assemblies of pumping unit.
Background technology
Pumping unit is the large-scale pumping unit of operating free of discontinuities, due to its long time running, crank axle, bearing attachment position
Extremely easy to wear, there is the case where price scissors, unit crank-pin nut also loosens in some types, and by inspection, work people
After member handles above-mentioned phenomenon, it there is also repeatedly, cannot get basic solution.Since inspection has certain period
Property, if these phenomenons occur in the non-inspection phase, machine accident will be turned over.
Invention content
The utility model provides a kind of double anti-crank pin assemblies of pumping unit for above-mentioned the deficiencies in the prior art.
The double anti-crank pin assemblies of the pumping unit of the utility model, are made of crank-pin, cap nut and bearing, the song
The head of handle pin is cased with gasket, and the both sides of gasket are respectively equipped with pitch face I and radial repousse, and the head threads of crank-pin connect
Cap nut is connect, the bottom surface of cap nut is equipped with pitch face II and is engaged with I phase of the pitch face of gasket, and the head of cap nut is oblique
The head threads of taper, cap nut are connected to screw standby cap, and the tail portion of crank-pin is equipped with bearing, and the tail portion of bearing is equipped with pressing plate.
The diameter phase of the diameter and gasket of the pitch face II of the cap nut as a further improvement of the utility model,
Together.
The burr density of the radial repousse of the gasket is more than helical teeth as a further improvement of the utility model,
The helical teeth density in face I.
The outer wall on the cap nut tilted conical head is equipped with retraction slot as a further improvement of the utility model,.
The double anti-crank pin assemblies of the pumping unit of the utility model, are advantageous in that：
1, the clamping force for ensuring to still maintain connector under strong vibration, better than the fastener for carrying out self-locking by frictional force；
2, the bolt looseness caused by vibration is prevented, relevant issues caused by being loosened due to fastener no longer occur；
3, special mounting work is not needed, it is easy to installation and removal；Temperature, which changes, so that connector is loosened；
4, there is durability, reusable.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model.
Specific implementation mode
As shown in Figure 1, the double anti-crank pin assemblies of the pumping unit of the utility model, are by crank-pin 1, cap nut 2 and bearing 3
It constitutes, the head of the crank-pin 1 is cased with gasket 4, and the both sides of gasket 4 are respectively equipped with pitch face I and radial repousse, institute
The burr density of the radial repousse for the gasket 4 stated is more than the helical teeth density of pitch face I, and density difference is to ensure to put
Penetrate the frictional force that the frictional force between shape repousse and bent axle is more than between pitch face I and the pitch face II of cap nut 2；Crank-pin
1 head threads are connected to cap nut 2, and the bottom surface of cap nut 2 is equipped with pitch face II and is engaged with I phase of the pitch face of gasket 4,
The diameter of the pitch face II of the cap nut 2 is identical as the diameter of gasket 4, and the head of cap nut 2 is tilted conical, the spiral shell
The outer wall on 2 tilted conical head of silk cap is equipped with retraction slot 5, and the head threads of cap nut 2 are connected to screw standby cap 6, cap nut 2 and spiral shell
The seperated design of silk standby cap 6, can ensure fasten between cap nut 2 and crank-pin 1；The tail portion of crank-pin 1 is equipped with bearing
3, the tail portion of bearing 3 is equipped with pressing plate 7, and 3 part of bearing is for the connection between crank-pin 1 and connecting rod.
In use, only gasket 4 need to be placed on crank-pin 1, be placed between cap nut 2 and crank；Cap nut 2 fastens
Afterwards, the radial repousse and pitch face I of 4 both sides of gasket are in respectively occlusive state between crank and cap nut 2；Work as crank-pin
1 because of mechanical oscillation when being elongated, and cap nut 2 will rotate with loosening, due to the radial repousse in the outside of gasket 4 and company
Extension bar frictional force is more than the frictional force between inside pitch face I and pitch face II, in this state, only allows inside pitch face I
The opposite changing of the relative positions, then generates certain lifting tension between pitch face II；When crank-pin 1 is shunk, I meeting of pitch face of gasket 4
Cap nut 2 is set to return to original position, to reach the 100% locking and tight effect of system.
Claims (4)
1. the double anti-crank pin assemblies of pumping unit, are by crank-pin（1）, cap nut（2）And bearing（3）It constitutes, it is characterised in that institute
The crank-pin stated（1）Head be cased with gasket（4）, gasket（4）Both sides be respectively equipped with pitch face I and radial repousse, it is bent
Handle pin（1）Head threads be connected to cap nut（2）, cap nut（2）Bottom surface be equipped with pitch face II and and gasket（4）It is oblique
I phase of the flank of tooth is engaged, cap nut（2）Head be tilted conical, cap nut（2）Head threads be connected to screw standby cap（6）, crank
Pin（1）Tail portion be equipped with bearing（3）, bearing（3）Tail portion be equipped with pressing plate（7）.
2. the double anti-crank pin assemblies of pumping unit as described in claim 1, it is characterised in that cap nut（2）Pitch face II it is straight
Diameter and gasket（4）Diameter it is identical.
3. the double anti-crank pin assemblies of pumping unit as described in claim 1, it is characterised in that gasket（4）Radial repousse
Burr density is more than the helical teeth density of pitch face I.
4. the double anti-crank pin assemblies of pumping unit as described in claim 1, it is characterised in that cap nut（2）Outside tilted conical head
Wall is equipped with retraction slot（5）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820226947.8U CN207848146U (en) | 2018-02-09 | 2018-02-09 | The double anti-crank pin assemblies of pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820226947.8U CN207848146U (en) | 2018-02-09 | 2018-02-09 | The double anti-crank pin assemblies of pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207848146U true CN207848146U (en) | 2018-09-11 |
Family
ID=63411906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820226947.8U Expired - Fee Related CN207848146U (en) | 2018-02-09 | 2018-02-09 | The double anti-crank pin assemblies of pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207848146U (en) |
-
2018
- 2018-02-09 CN CN201820226947.8U patent/CN207848146U/en not_active Expired - Fee Related
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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: 20180911 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |