CN208534463U - A kind of beam type exempts to lubricate pumping unit - Google Patents
A kind of beam type exempts to lubricate pumping unit Download PDFInfo
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- CN208534463U CN208534463U CN201820616119.5U CN201820616119U CN208534463U CN 208534463 U CN208534463 U CN 208534463U CN 201820616119 U CN201820616119 U CN 201820616119U CN 208534463 U CN208534463 U CN 208534463U
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- bearing
- pumping unit
- nonlubricated
- lubricate
- bearing cap
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Abstract
Exempt to lubricate pumping unit the utility model discloses a kind of beam type, by way of lubricant layer and oil sealing is added among oil pumping machine bearing, make it have the effect of self-lubricating, change the defect that traditional pumping unit needs the manual application of lubricant time-consuming and laborious, the nonlubricated bearing of included lubricant effect is set in pumping unit, it is time saving and energy saving to have the advantages that operate, extend the service life of bearing, it avoids frequently replacing, energy conservation and environmental protection, and the nonlubricated bearing of the utility model is, it can be achieved that continuous lubrication, the efficiency for substantially increasing the production in oil field, has liberated labour.
Description
Technical field
The utility model belongs to petroleum extractor equipment manufacturing technology field, and in particular to a kind of beam type exempts from lubrication oil pumping
Machine.
Background technique
In oilfield process, the working environment of pumping unit is more severe, in pumping unit motion process, some rotations
Hinge needs intermittent oiling, prolongs the service life, and wherein key has 5 sets of bearings, i.e., crank pin bearing, hang pad bearing and the axis of centres
It holds；Wherein crank pin bearing rotates, and hangs pad bearing and central bearing makees pendulum motion.With CYJ9-3-37HY (SW)
For machinery, pumping unit movement velocity is relatively low, and approximately less than 10 beats/min, but its rated load reaches 9t.So this 5 sets
Kinematic pair is low-speed heave-load movement.If pumping unit insufficient lubrication, phenomena such as just will appear bearing wear, kill.And mesh
Before, all pumping units require the manual application of lubricant, by grease gun to bearing lubrication point carry out periodically grease-added mode into
Row lubrication.It is not only time-consuming and laborious, but also be discontinuously to lubricate.So bearing is it is easy to appear wearing, kill, pumping unit
It shuts down, influences oil field production.
Utility model content
Exempt to lubricate pumping unit the purpose of this utility model is to provide a kind of beam type, solve existing in the prior art
The time-consuming and laborious problem of manual application of lubricant pumping unit.
The technical scheme adopted by the utility model is a kind of beam type exempts to lubricate pumping unit, including balance boom, balance
One end of boom and one end of walking beam are by hook connection, and the other end of walking beam is connected with horse head by pin shaft, in walking beam middle section
Side be bolted central nonlubricated bearing, bracket, bracket has been bolted below central nonlubricated bearing
Cross sectional shape be triangle, the side of frame bottom is bolted on pedestal, and the other side is connected with retarder, bracket
Crank-pin nonlubricated bearing is bolted in the side close to retarder, crank-pin nonlubricated bearing is connected by crank-pin
It is connected to one end of connecting rod, the other end of connecting rod is provided with crossbeam, and the one of rear tailing axle nonlubricated bearing is bolted in crossbeam
The other side of side, rear tailing axle nonlubricated bearing is bolted in the end of walking beam；
The nonlubricated bearing, including axis, the outer wall of axis are provided with an annular convex platform, and the side of boss is socketed with inner shaft
Set, internal axle sleeve are hollow cylinder, and the outer diameter of inner diameter size and axis matches, and internal axle sleeve is socketed with lock far from the side of boss
Lubricant layer is arranged in tight nut, internal axle sleeve outer wall, and lubricant layer transverse cross-sectional shape is annulus, and the outer wall of lubricant layer is provided with outer shaft,
The internal diameter of outer shaft and the internal diameter of lubricant layer match, and the outer wall side of outer shaft is affixed, and there are two bearing blocks, and bearing block is one
There is the cuboid of circular through hole in a inside, and the length of bearing block is greater than the width of outer shaft, axis is provided on the outside of outer shaft
Lid is held, bearing cap is the shell of an inner hollow, and the cross section of bearing cap is fillet rectangle, is provided in the middle part of bearing cap
The circular through hole that diameter and shaft diameter match, one end of bearing cap are hinged on pedestal, and the other end is provided with annular convex platform, ring
The diameter of shape boss and the length of bearing block match, and the top of bearing cap is provided with circular through hole identical with bearing block,
Screw bolt passes bearing cap, bearing block, bearing cap, the circular through hole inner wall in the middle part of bearing cap are all provided with fluted, set in groove
It is equipped with oil sealing, nonlubricated bearing passes through bearing cap and is connected with other each components.
The utility model is also characterized by:
The inner wall of tight split nut is provided with the helicitic texture to match with axis surface.
The bolt other end is provided with matched fixture nut.
The outside of bearing block is provided with a boss.
The lubricants such as graphite rod, graphite powder or molybdenum disulfide are arranged in internal axle sleeve and outer shaft side.
Wear-resistant material polytetrafluoroethylene (PTFE) is coated in internal axle sleeve outer ring and outer shaft inner ring.
The utility model has the following beneficial effects: the defect that traditional pumping unit needs the manual application of lubricant time-consuming and laborious is changed,
The nonlubricated bearing of included lubricant effect is set in pumping unit, and it is time saving and energy saving to have the advantages that operate, and extends bearing
Service life avoids frequently replacing, energy conservation and environmental protection, and the nonlubricated bearing of the utility model is, it can be achieved that continuous lubrication, significantly
The efficiency for improving the production in oil field, has liberated labour.
Detailed description of the invention
Fig. 1 is that a kind of beam type of the utility model exempts to lubricate the structural schematic diagram of pumping unit；
Fig. 2 is that a kind of beam type of the utility model exempts to lubricate the structural schematic diagram of pumping unit bearing portions.
In figure, 1. bearing caps, 2. bolts, 3. bearing blocks, 4. outer shafts, 5. lubricant layers, 6. internal axle sleeves, 7. oil sealings, 8. axis,
9. locking nut 10. balances boom, tailing axle nonlubricated bearing after 11., 12. central nonlubricated bearings, 13. walking beams, 14. horse heads,
15. bracket, 16. pedestals, 17. retarders, 18. crank-pin nonlubricated bearings, 19. connecting rods, 20. crossbeams.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description.
A kind of beam type provided by the utility model exempts to lubricate pumping unit, and structure is as shown in Figure 1, a kind of beam type exempts to lubricate
Pumping unit, including balance boom 10, balance boom 10 one end and walking beam 13 one end by hook connection, walking beam 13 it is another
End is connected with horse head 14 by pin shaft, and central nonlubricated bearing 12 has been bolted in the side in 13 middle section of walking beam, center
It has been bolted bracket 15 below nonlubricated bearing 12, the cross sectional shape of bracket 15 is triangle, the one of 15 bottom of bracket
Side is bolted on pedestal 16, and the other side is connected with retarder 17, and bracket 15 passes through in the side close to retarder 17
It has been bolted crank-pin nonlubricated bearing 18, crank-pin nonlubricated bearing 18 is connected with one end of connecting rod 19 by crank-pin,
The other end of connecting rod 19 is provided with crossbeam 20, and the side of rear tailing axle nonlubricated bearing 11, rear molding is bolted in crossbeam 20
The other side of axis nonlubricated bearing 11 is bolted in the end of walking beam；
The nonlubricated bearing, for specific structure as shown in Fig. 2, including axis 8, the outer wall of axis 8 is provided with an annular convex platform,
The side of boss is socketed with internal axle sleeve 6, and internal axle sleeve 6 is hollow cylinder, and inner diameter size and the outer diameter of axis 8 match, inner shaft
6 sides far from boss of set are socketed with locking nut 9, and lubricant layer 5 is arranged in internal axle sleeve outer wall, and 5 transverse cross-sectional shape of lubricant layer is circle
Ring, the outer wall of lubricant layer 5 are provided with outer shaft 4, and the internal diameter of the internal diameter and lubricant layer 5 of outer shaft 4 matches, outside outer shaft 4
Wall side is affixed, and there are two bearing blocks 3, and bearing block 3 is the cuboid that there is circular through hole in an inside, and the length of bearing block 3 is greater than
The width of outer shaft 4 is provided with bearing cap 1 in the outside of outer shaft 4, and bearing cap 1 is the shell of an inner hollow, bearing cap
1 cross section is fillet rectangle, and the middle part of bearing cap 1 is provided with the circular through hole that diameter and 8 diameter of axis match, bearing cap
1 one end is hinged on pedestal, and the other end is provided with annular convex platform, and the length of the diameter and bearing block 3 of annular convex platform matches,
The top of bearing cap 1 is provided with circular through hole identical with bearing block 3, and bolt 2 sequentially passes through bearing cap 1, bearing block 3, axis
Hold lid 1, the circular through hole inner wall at 1 middle part of bearing cap is all provided with fluted, oil sealing 7 is provided in groove, nonlubricated bearing passes through
Bearing cap 1 is connected with other each components.
The inner wall of tight split nut 9 is provided with the helicitic texture to match with 8 surface of axis.
2 other end of bolt is provided with matched fixture nut.
The outside of bearing block 3 is provided with a boss.
The lubricants such as graphite rod, graphite powder or molybdenum disulfide are arranged in internal axle sleeve 6 and 4 side of outer shaft.
Wear-resistant material polytetrafluoroethylene (PTFE) is coated in 6 outer ring of internal axle sleeve and 4 inner ring of outer shaft.
Polytetrafluoroethylene (PTFE) has the characteristics that resistant to high temperature, its coefficient of friction is extremely low, can regard lubricant.Again because of its tool
There is antiacid alkali resistant, resist the characteristics of various organic solvents, is practically insoluble in all solvents.So contact surface can also be covered with cleaning axle
Impurity.
When the utility model is used, the bearing in traditional pumping unit can be substituted for can self-lubricated bearing, in machine
In device rotary course, the lubricant layer 5 of Bearing inner can directly generate lubricating action to it, while set in the through hole of bearing cap 1
The case where oil sealing 7 set can guarantee the flexible rotating of axis 8, parts wear caused by avoiding machine stuck or lack of lubrication,
Production efficiency is substantially increased, manpower has been liberated, has saved cost.
A kind of beam type of the utility model exempts to lubricate pumping unit, changes traditional pumping unit and needs the manual application of lubricant time-consuming and laborious
Defect, the nonlubricated bearing of included lubricant effect is set in pumping unit, and it is time saving and energy saving to have the advantages that operate, extension
The service life of bearing, avoids frequently replacing, energy conservation and environmental protection, and the nonlubricated bearing of the utility model is, it can be achieved that continuous
Lubrication, substantially increases the efficiency of the production in oil field, has liberated labour.
Claims (6)
1. a kind of beam type exempt from lubricate pumping unit, which is characterized in that including balance boom (10), balance boom (10) one end with
One end of walking beam (13) is by hook connection, and the other end of walking beam (13) is connected with horse head (14) by pin shaft, in walking beam (13)
The side in middle section has been bolted central nonlubricated bearing (12), is bolted below central nonlubricated bearing (12)
Have bracket (15), the cross sectional shape of bracket (15) is triangle, and the side of bracket (15) bottom is bolted in pedestal
(16) on, the other side is connected with retarder (17), and song has been bolted in the side close to retarder (17) in bracket (15)
Handle pin nonlubricated bearing (18), crank-pin nonlubricated bearing (18) are connected with one end of connecting rod (19), connecting rod by crank-pin
(19) the other end is provided with crossbeam (20), and the side of rear tailing axle nonlubricated bearing (11) is bolted in crossbeam (20),
The other side of tailing axle nonlubricated bearing (11) is bolted in the end of walking beam afterwards；
The nonlubricated bearing, including axis (8), the outer wall of axis (8) are provided with an annular convex platform, and the side of boss is socketed with interior
Axle sleeve (6), internal axle sleeve (6) are hollow cylinder, and inner diameter size and the outer diameter of axis (8) match, and internal axle sleeve (6) is far from boss
Side be socketed with locking nut (9), internal axle sleeve outer wall be arranged lubricant layer (5), lubricant layer (5) transverse cross-sectional shape be annulus, profit
The outer wall of slip layer (5) is provided with outer shaft (4), and the internal diameter of the internal diameter and lubricant layer (5) of outer shaft (4) matches, outer shaft (4)
Outer wall side it is affixed there are two bearing block (3), bearing block (3) is the cuboid that there is circular through hole in an inside, bearing block (3)
Length be greater than outer shaft (4) width, be provided on the outside of outer shaft (4) bearing cap (1), bearing cap (1) is in one
The hollow shell in portion, the cross section of bearing cap (1) are fillet rectangle, and diameter is provided in the middle part of bearing cap (1) and axis (8) are straight
One end of the circular through hole that diameter matches, bearing cap (1) is hinged on pedestal, and the other end is provided with annular convex platform, annular convex platform
The length of diameter and bearing block (3) match, the top of bearing cap (1) is provided with identical round logical with bearing block (3)
Hole, bolt (2) sequentially pass through bearing cap (1), bearing block (3), bearing cap (1), and the circular through hole inner wall in the middle part of bearing cap (1) is equal
It equipped with groove, is provided in groove oil sealing (7), nonlubricated bearing passes through bearing cap (1) and is connected with other each components.
2. a kind of beam type as described in claim 1 exempts to lubricate pumping unit, which is characterized in that the locking nut (9) it is interior
Wall is provided with the helicitic texture to match with axis (8) surface.
3. a kind of beam type as described in claim 1 exempts to lubricate pumping unit, which is characterized in that bolt (2) other end is set
It is equipped with matched fixture nut.
4. a kind of beam type as described in claim 1 exempts to lubricate pumping unit, which is characterized in that the outside of the bearing block (3)
It is provided with a boss.
5. a kind of beam type as claimed in claim 4 exempts to lubricate pumping unit, which is characterized in that the internal axle sleeve (6) and outer shaft
The lubricants such as graphite rod, graphite powder or molybdenum disulfide are arranged in set (4) side.
6. a kind of beam type as described in claim 1 exempts to lubricate pumping unit, which is characterized in that internal axle sleeve (6) outer ring and
Outer shaft (4) inner ring is coated with wear-resistant material polytetrafluoroethylene (PTFE).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820616119.5U CN208534463U (en) | 2018-04-27 | 2018-04-27 | A kind of beam type exempts to lubricate pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820616119.5U CN208534463U (en) | 2018-04-27 | 2018-04-27 | A kind of beam type exempts to lubricate pumping unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208534463U true CN208534463U (en) | 2019-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820616119.5U Active CN208534463U (en) | 2018-04-27 | 2018-04-27 | A kind of beam type exempts to lubricate pumping unit |
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| Country | Link |
|---|---|
| CN (1) | CN208534463U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727402A (en) * | 2019-10-28 | 2021-04-30 | 中国石油化工股份有限公司 | Beam-pumping unit back shaft assembly |
-
2018
- 2018-04-27 CN CN201820616119.5U patent/CN208534463U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727402A (en) * | 2019-10-28 | 2021-04-30 | 中国石油化工股份有限公司 | Beam-pumping unit back shaft assembly |
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