CN201041217Y - Combined speed reducer dedicated for oil pump - Google Patents
Combined speed reducer dedicated for oil pump Download PDFInfo
- Publication number
- CN201041217Y CN201041217Y CNU200720070137XU CN200720070137U CN201041217Y CN 201041217 Y CN201041217 Y CN 201041217Y CN U200720070137X U CNU200720070137X U CN U200720070137XU CN 200720070137 U CN200720070137 U CN 200720070137U CN 201041217 Y CN201041217 Y CN 201041217Y
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- China
- Prior art keywords
- cycloid
- output
- bearing
- input
- speed reducer
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Abstract
The utility model relates to a combined speed reducer particularly used for oil pumping machine. The utility model is characterized in that the combined speed reducer comprises an output axle component, a big gear, a pinion gear, a cycloid output device, an unloading input component, a cycloid transmission device and a machine body, the output axle component is arranged at one side of the machine body, the big gear is arranged on the output axle component; the cycloid output device is arranged at the other side of the machine body, and is parallel to the output axle component; the pinion gear is arranged on the cycloid transmission device, and meshed with the big gear, and the unloading input component is connected with the cycloid output device through the cycloid transmission device. The utility model has the advantages that the transmission ratio can reach 300, the stroke time is as low as 0.6 times per minute, the utility model is more suitable for the exploitation request of the heavy oil well, grease is adopted to lubricate, oil is not leaked on the speed reducer, the utility model requires no maintenance, and the utility model is suitable for the field work.
Description
Technical field
The utility model relates to a kind of combined speed reducer dedicated for oil pump, can be used as the drive unit of slide beam or other forms of pumping unit, belongs to the speed reducer technical field.
Background technique
Existing used for oil extractor speed reducer generally adopts the gear reduction unit or the circle-arc tooth speed reducer of parallel axes structure, as shown in Figure 1, by output shaft 1, output shaft gear 2, jack shaft 3, body 4, input shaft 5, input shaft gear 6 and countershaft-gear 7 are formed, motor drives input shaft 5 by belt pulley, input shaft 5 drives jack shaft 3 by countershaft-gear 6, jack shaft 3 drive output gears 2 with transmission of power to output shaft 1, the shortcoming of this used for oil extractor speed reducer is that speed ratio is 50 to the maximum, pumping unit to low jig frequency can't use, the speed reducer thin oil lubricant, thus easy oil leakage causes complete machine to lose efficacy easily.
Summary of the invention
The purpose of this utility model provides a kind of various jig frequencies that are applicable to, more is applicable to the field, can use various grease lubrication, and oil tight combined speed reducer dedicated for oil pump.
For realizing above purpose, the technical solution of the utility model provides a kind of combined speed reducer dedicated for oil pump, it is characterized in that, by output shaft assembly, gearwheel, small gear, cycloid output unit, off-load input block, cycloid transmission device and organization, output shaft assembly is located at a side in the body, gearwheel is located on the output shaft assembly, the cycloid output unit is located at opposite side in the body, parallel with output shaft assembly, small gear is located on the cycloid output unit, with the gearwheel engagement, the off-load input block is connected with the cycloid output unit by cycloid transmission device.
The utility model is with common cycloid speed reducer and gear reduction unit combination, the off-load structure is adopted in the input part, the radial load of cycloid transmission input is delivered on the body by the off-load dish, cycloid transmission output makes the cantilever structure of the output shaft of cycloid speed reducer into simple beam structure, makes the stressed operating mode that more adapts to pumping unit of cycloid drive part.
Because the maximum transmission ratio of single gear is generally 7, is 50 with secondary gear transmission maximum transmission ratio, cycloid gearing down single staged transmission ratio can reach 87, and the first order adopts the cycloid in planet transmission to realize big velocity ratio in head center under constant situation.The second level adopts gear transmission can reach the purpose of transmitting large torque again.
The utility model adopts the cycloid in planet transmission, and level can adopt grease lubrication at a high speed, thereby speed reducer just can all adopt grease lubrication, and the hidden danger of speed reducer easy oil leakage is eliminated.
The utility model has the advantages that:
1. the utility model velocity ratio can reach 300, and jig frequency can be low to moderate 0.5 time/min, more adapts to the exploitation requirement of exceptional wells such as thick oil well;
2. the regulation range of jig frequency is wide, regulates more flexibly, and speed reducer output gear conversion part is few;
3. the utility model adopts grease lubrication, and speed reducer is oil-proof, and Maintenance free is suitable for the utility model operation.
Description of drawings
Fig. 1 is former used for oil extractor speed reducer structural representation;
Fig. 2 is the combined speed reducer dedicated for oil pump structural representation;
Fig. 3 is the output shaft assembly structural representation;
Fig. 4 is a cycloid output unit structural representation;
Fig. 5 is an off-load input block structural representation;
Fig. 6 is the cycloid transmission device structural representation.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment
As shown in Figure 2, be the combined speed reducer dedicated for oil pump structural representation, described a kind of combined speed reducer dedicated for oil pump is made up of output shaft assembly 8, gearwheel 9, small gear 10, cycloid output unit 11, off-load input block 12, cycloid transmission device 13 and body 14.
Output shaft assembly 8 is installed in a side in the body 14, gearwheel 9 is installed on the output shaft assembly 8, cycloid output unit 11 is installed in opposite side in the body 11, parallel with output shaft assembly 8, small gear 10 is installed on the cycloid output unit 11, with gearwheel 9 engagements, off-load input block 12 is connected with cycloid output unit 11 by cycloid transmission device 13.
As shown in Figure 3, be the output shaft assembly structural representation, described output shaft assembly 8 by output shaft 15, logical cover 16, export bearing 17, baffle ring 18 and flat baffle ring 19 and form, output bearing 17 is installed at the two ends of output shaft 15, on the output bearing 17 of upper end, install to lead to and cover 16, baffle ring 18 is installed below, flat baffle ring 19 is installed below the output bearing 17 of lower end, gearwheel 9 is installed between baffle ring 18 and flat baffle ring 19.
As shown in Figure 4, be cycloid output unit structural representation, described cycloid output unit 11 is made up of stifle 20, cycloid output bearing 21, cycloid output shaft 22, convex blocking ring 23, output bearing 24, output pivot pin 25 and baffle ring 26, the two ends of cycloid output shaft 22 are installed cycloid output bearing 21 and output bearing 24 respectively, in cycloid output bearing 21 upper ends stifle 20 is installed, baffle ring 26 is installed in the lower end, convex blocking ring 23 is installed in upper end at output bearing 24, output pivot pin 25 is installed in the lower end, and small gear 10 is installed between baffle ring 26 and convex blocking ring 23.
As shown in Figure 5, be the cycloid transmission device structural representation, described cycloid transmission device 13 is by pin wheel housing 27, gear pin 28, input auxiliary bearing 29, gear pin cover 30, spacer ring 31, cycloidal gear 32, eccentric bushing 33, input bearing 34 and input shaft 35 are formed, the middle setting-up eccentricity cover 33 of input shaft 35, the upper and lower end of eccentric bushing 33 is installed input auxiliary bearing 29 and input bearing 34 respectively, cycloidal gear 32 is installed in the outside at eccentric bushing 33, cycloidal gear 32 is outer by gear pin 28, gear pin cover 30 and spacer ring 31 are installed pin tooth 27, and the output pivot pin 25 of cycloid output unit 11 is installed between the spacer ring 31 and cycloidal gear 32 of cycloid transmission device 13 by gear pin cover 30.
Power reaches cycloidal gear 32 by input shaft 35, cycloidal gear 32 is by pin wheel housing 27, power is reached output pivot pin 25, output pivot pin 25 drives cycloid output shaft 22 power is reached small gear 10, small gear 10 is between baffle ring 26 and convex blocking ring 23, form simple beam structure, make output shaft can bear bigger radial load.
As shown in Figure 6, be off-load input block structural representation, described off-load input block 12 is made up of carrier 36, off-load bearing 37, drive splines dish 38, input belt wheel 39, carrier 36 is installed on the input shaft 35, be connected with cycloid transmission device 13 by input bearing 34, input belt wheel 39 is installed in the lower end of input shaft 35 by off-load bearing 37, on the top of input shaft 35 drive splines dish 38 is installed.
Motor power reaches input belt wheel 39 by belt, input belt wheel 39 reaches input shaft 35 with moment of torsion by drive splines dish 38, by off-load bearing 37 and carrier 36 radial force is reached pin tooth 27 and body 14 simultaneously, thereby 35 of the input shafts of speed reducer bear the purpose that moment of torsion reaches the removal radial load.
When the whole machine installation good berth, motor power passes to cycloid transmission device 12 by 13 inputs of off-load input block, drives small gear 7 by cycloid output mechanism 11, and small gear 7 drives gearwheel 2 transmission of power is arrived output shaft assembly 8.
Claims (5)
1. combined speed reducer dedicated for oil pump, it is characterized in that, by output shaft assembly (8), gearwheel (9), small gear (10), cycloid output unit (11), off-load input block (12), cycloid transmission device (13) and body (14) are formed, output shaft assembly (8) is located at a side in the body (14), gearwheel (9) is located on the output shaft assembly (8), cycloid output unit (11) is located at the interior opposite side of body (11), parallel with output shaft assembly (8), small gear (10) is located on the cycloid output unit (11), with gearwheel (9) engagement, off-load input block (12) is connected with cycloid output unit (11) by cycloid transmission device (13).
2. combined speed reducer dedicated for oil pump according to claim 1, it is characterized in that, described output shaft assembly (8) is made up of output shaft (15), logical lid (16), output bearing (17), baffle ring (18) and flat baffle ring (19), the two ends of output shaft (15) are provided with output bearing (17), on the output bearing (17) of output shaft (15) upper end, be provided with logical lid (16), be provided with baffle ring (18) below, below the output bearing (17) of output shaft (15) lower end, be provided with flat baffle ring (19).
3. combined speed reducer dedicated for oil pump according to claim 1, it is characterized in that, described cycloid output unit (11) is by stifle (20), cycloid output bearing (21), cycloid output shaft (22), convex blocking ring (23), output bearing (24), output pivot pin (25) and baffle ring (26) are formed, the two ends of cycloid output shaft (22) are respectively equipped with cycloid output bearing (21) and output bearing (24), be provided with stifle (20) in cycloid output bearing (21) upper end, the lower end is provided with baffle ring (26), upper end at output bearing (24) is provided with convex blocking ring (23), and the lower end is provided with output pivot pin (25).
4. combined speed reducer dedicated for oil pump according to claim 1, it is characterized in that, described cycloid transmission device (13) is by pin tooth (27), gear pin (28), input auxiliary bearing (29), gear pin cover (30), spacer ring (31), cycloidal gear (32), eccentric bushing (33), input bearing (34) and input shaft (35) are formed, the centre of input shaft (35) is provided with eccentric bushing (33), the upper and lower end of eccentric bushing (33) is respectively equipped with input auxiliary bearing (29) and input bearing (34), be provided with cycloidal gear (32) in the outside of eccentric bushing (33), cycloidal gear (32) is outer by gear pin (28), gear pin cover (30) and spacer ring (31) are provided with pin tooth (27).
5. combined speed reducer dedicated for oil pump according to claim 1, it is characterized in that, described off-load input block (12) is made up of carrier (36), off-load bearing (37), drive splines dish (38), input belt wheel (39), carrier (36) is located on the input shaft (35), be connected with cycloid transmission device (13) by input bearing (34), input belt wheel (39) is located at the lower end of input shaft (35) by off-load bearing (37), is provided with drive splines dish (38) on the top of input shaft (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720070137XU CN201041217Y (en) | 2007-05-23 | 2007-05-23 | Combined speed reducer dedicated for oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720070137XU CN201041217Y (en) | 2007-05-23 | 2007-05-23 | Combined speed reducer dedicated for oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201041217Y true CN201041217Y (en) | 2008-03-26 |
Family
ID=39252921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720070137XU Expired - Fee Related CN201041217Y (en) | 2007-05-23 | 2007-05-23 | Combined speed reducer dedicated for oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201041217Y (en) |
-
2007
- 2007-05-23 CN CNU200720070137XU patent/CN201041217Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080326 Termination date: 20150523 |
|
| EXPY | Termination of patent right or utility model |