CN216894352U - Heavy load speed reduction driving system and pumping unit using same - Google Patents
Heavy load speed reduction driving system and pumping unit using same Download PDFInfo
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- CN216894352U CN216894352U CN202220540214.8U CN202220540214U CN216894352U CN 216894352 U CN216894352 U CN 216894352U CN 202220540214 U CN202220540214 U CN 202220540214U CN 216894352 U CN216894352 U CN 216894352U
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Abstract
The utility model relates to a heavy load deceleration driving system and a pumping unit using the same, wherein the heavy load deceleration driving system is a transmission system consisting of a first-stage deceleration formed by meshing a self-lubricating nylon gear and a self-lubricating nylon gearwheel of a motor output shaft and a second-stage deceleration formed by meshing a forged steel pinion on a transmission shaft and a forged steel gear ring embedded in a driving wheel assembly, and the combined transmission system most meets the use working condition requirements of oil well lifting equipment requiring large load and large torque. The tower type pumping unit has the advantages of simple structure, low noise, lower cost than a direct-drive pumping unit, firmness and durability than a conventional pumping unit, wind load resistance and lower maintenance cost.
Description
Technical Field
The utility model relates to mechanical oil extraction equipment in the petroleum industry, in particular to a heavy-load speed reduction driving system and an oil pumping unit using the same.
Background
At present, tower beam-pumping unit is because of its have energy-conservation, efficient, intelligent degree high, can prolong the sucker rod and the oil-well pump the life's of oil-well pump advantage and by the wide application, but it also has the shortcoming simultaneously: the transmission system adopts a speed reducer for speed reduction transmission, and has short service life and large maintenance amount. Specifically, the tower pumping unit adopts a combined transmission system, namely a transmission structure of a primary gear speed reduction plus a primary V belt and a synchronous belt speed reduction, wherein the V belt is a wearing part, and the normal operation of the tower pumping unit can be maintained only by frequently adjusting the tension degree of the V belt in use; the medium-sized tower type pumping unit adopts an imported synchronous belt, has high cost and long purchase period, and needs to be replaced forcibly at regular intervals; the rotating speed of the primary gear of the large tower type pumping unit is limited within 160 revolutions, so that the manufacturing cost of the motor is increased; the reduction ratio i of the two pairs of steel gear transmission systems is 35-42, the rotating speed of the first-stage gear is 600 revolutions, the rotating speed exceeds the highest rotating speed suitable for oil dipping lubrication by 250 revolutions, the noise of the linkage superposition effect is large, the gear box is difficult to seal, the maintenance cost is increased, and the production and popularization of the heavy-duty tower type pumping unit are restricted due to the existence of the problems. Therefore, the problem of first-level gear reduction needs to be solved by combining the characteristics of natural environment and using other materials on the basis of the successful experience of the original combined transmission system, and the use requirement of the market is met.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a heavy-load speed reduction driving system which has a simple structure, low noise, lower cost than a direct-drive pumping unit, is firmer and more durable than a conventional pumping unit, resists wind load and has lower maintenance cost and a tower type pumping unit using the same.
The utility model relates to a heavy load deceleration driving system, which comprises a motor, a motor output shaft, a transmission shaft, a driving wheel assembly shaft and a combined transmission bracket, wherein the driving wheel assembly, the driving wheel assembly shaft and the combined transmission bracket are arranged in a driving wheel assembly gear box, two ends of the driving wheel assembly shaft are respectively provided with a sucker rod lifting rope fixing hole and a counterweight lifting rope fixing hole, two ends of the driving wheel assembly shaft are arranged on the combined transmission bracket through a pair of bearings, the heavy load deceleration driving system also comprises a self-lubricating nylon pinion, a self-lubricating nylon gearwheel, a steel sleeve, a tensioning sleeve, a forged steel pinion, a forged steel bull gear ring, a sucker rod lifting rope and a counterweight lifting rope, the self-lubricating nylon pinion is sleeved at the end part of the motor output shaft through the tensioning sleeve, the steel sleeve is embedded in an inner hole of the self-lubricating nylon pinion, the transmission shaft is supported and fixed on the combined transmission bracket through a pair of bearings, and the self-lubricating nylon pinion is meshed with the self-lubricating nylon gearwheel, self-lubricating nylon gear wheel fixed mounting is in the one end of transmission shaft, the other end at the transmission shaft is fixed to the forged steel pinion, forged steel bull gear dress on the drive wheel assembly and with the forged steel pinion meshes, drive wheel assembly excircle center both sides respectively are equipped with 6-8 levogyration grooving and 6-8 dextrorotation grooving, sucker rod lifting rope and counter weight lifting rope are fixed respectively on the drive wheel assembly, and sucker rod lifting rope and counter weight lifting rope twine on the drive wheel assembly in the opposite direction, levogyration grooving and dextrorotation grooving on sucker rod lifting rope and the common drive wheel assembly of counter weight lifting rope.
The utility model relates to a heavy load speed reduction driving system, which comprises a motor, a motor output shaft, a driving wheel assembly shaft and a combined transmission bracket, wherein two ends of the driving wheel assembly are respectively provided with a sucker rod lifting rope fixing hole and a counterweight lifting rope fixing hole, two ends of the driving wheel assembly shaft are arranged on the combined transmission bracket through a pair of bearings, the heavy load speed reduction driving system also comprises a self-lubricating nylon pinion gear, a self-lubricating nylon big gear ring, a sucker rod lifting rope and a counterweight lifting rope, the self-lubricating nylon pinion gear is sleeved at the end part of the motor output shaft through a tensioning device, a steel sleeve is embedded in an inner hole of the self-lubricating nylon pinion gear, the self-lubricating nylon big gear ring is fixed on the driving wheel assembly through a positioning pin, the self-lubricating nylon pinion gear is meshed with the self-lubricating nylon big gear ring, two sides of the center of the excircle on the driving wheel assembly are respectively provided with 6-8 left-rotating rope grooves and 6-8 right-rotating rope grooves, the sucker rod lifting rope and the counterweight lifting rope are respectively fixed on the driving wheel assembly, the sucker rod lifting rope and the counterweight lifting rope are wound on the driving wheel assembly in opposite directions, and the sucker rod lifting rope and the counterweight lifting rope share a left-handed rope groove and a right-handed rope groove on the driving wheel assembly.
The heavy-load speed reduction driving system comprises a sucker rod lifting rope, a left-handed counter weight lifting rope, a right-handed counter weight lifting rope, a left-handed counter weight lifting rope, a right-handed counter weight lifting rope and a left-handed counter weight lifting rope.
The heavy load speed reduction driving system comprises a motor, a self-lubricating nylon pinion, a motor output shaft, a speed reducer and a speed reducer, wherein the motor output shaft is a taper shaft, and the taper shaft is connected with a steel sleeve with taper in the self-lubricating nylon pinion.
The heavy load speed reduction driving system comprises a motor, a speed reducer and a speed reducer, wherein the rated torque of the motor is below 3000nm, and the rated rotating speed is within 160-600 rpm.
The pumping unit uses the heavy-load speed reduction driving system, the configuration of the left-handed rope groove and the right-handed rope groove on the driving wheel assembly is set according to the stroke of the tower type pumping unit, the stroke which can be realized when the left-handed rope groove and the right-handed rope groove are respectively 6 grooves is 1.7 times of the perimeter of the driving wheel, and the stroke which can be realized when the left-handed rope groove and the right-handed rope groove are respectively 8 grooves is 2.7 times of the perimeter of the driving wheel.
The large tower type pumping unit (the maximum suspension point load of the pumping unit is more than 160 kn) of the 2-stage speed reduction heavy load speed reduction driving system is one-stage gear speed reduction and one-stage self-lubricating nylon gear speed reduction, wherein the motor adopts an asynchronous servo motor, the rated power is 7.5-90 kw, the rated rotating speed is 300-600 turns, the rated torque is 200-3000N-m, and the speed reduction ratio i of a transmission system is 35-42.
The medium-sized tower type pumping unit (the maximum suspension point load of the pumping unit is below 140 kn) of the 1-stage speed reduction heavy load speed reduction driving system adopts a first-stage self-lubricating nylon gear speed reduction, wherein the motor adopts a permanent magnet synchronous motor, the rated power is 10-75 kw, the rated rotating speed is 80-160 turns, the rated torque is 900-3000 N.m, and the speed reduction ratio i of a transmission system is within 8.
The combined transmission system of the tower type pumping unit is characterized in that a first-stage speed reduction mechanism consisting of a self-lubricating nylon pinion and a second-stage steel gear is used for reducing the speed of the combined transmission system of the tower type pumping unit, the total speed ratio is 35-42, the rotating speed control range is within 1000rpm, the rated torque is controlled within 3000 N.m, the use condition of the self-lubricating nylon gear is met, the rotating speed of a forged steel driving gear is within 160 revolutions, the condition of oil dipping lubrication is met, the noise is reduced to the lowest, the respective advantages of the self-lubricating nylon gear and the steel gear are exerted, the effect of improving the advantages and avoiding the disadvantages is achieved, the structure is simple, the noise is low, the manufacturing cost of a motor is reduced, and the maintenance cost is lower.
The heavy load deceleration driving system and the pumping unit using the same are further described below with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic structural view of example 1 of the present invention;
FIG. 2 is a cross-sectional view taken along A-A in FIG. 1;
FIG. 3 is a front view of embodiment 2 of the present invention;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3;
FIG. 5 is a schematic view of the self-lubricating nylon pinion of the present invention;
fig. 6 is a sectional view taken along C-C in fig. 5.
Detailed Description
Example 1
The pumping unit of embodiment 1 comprises a heavy load deceleration driving system with two-stage deceleration, as shown in fig. 1, 2, 5 and 6, the heavy load deceleration driving system comprises a motor 1, a motor output shaft 2, a transmission shaft 7, a driving wheel assembly 10 arranged in a driving wheel assembly gear box 13, a driving wheel assembly shaft 11 and a combined transmission bracket 12, two ends of the driving wheel assembly 10 are respectively provided with a sucker rod lifting rope fixing hole 16 and a counterweight lifting rope fixing hole 17, two ends of the driving wheel assembly shaft 11 are arranged on the combined transmission bracket 12 through a pair of bearings, the pumping unit further comprises a self-lubricating nylon pinion 3, a self-lubricating nylon gearwheel 4, a steel sleeve 5, a tensioning sleeve 6, a forging steel pinion 8, a forging steel bull gear 9, a sucker rod lifting rope 14 and a counterweight lifting rope 15, the self-lubricating nylon pinion 3 is arranged at the end of the motor output shaft 2 through the tensioning sleeve 6, the steel sleeve 5 is embedded in an inner hole of the self-lubricating nylon pinion 3, the transmission shaft 7 is fixed on the combined transmission support 12 through a pair of bearing supports, the self-lubricating nylon pinion 3 is meshed with the self-lubricating nylon gearwheel 4, the self-lubricating nylon gearwheel 4 is fixedly installed at one end of the transmission shaft 7, the forged steel pinion 8 is fixed at the other end of the transmission shaft 7, the forged steel bull gear 9 is installed on the driving wheel assembly 10 and meshed with the forged steel pinion 8, the sucker rod lifting rope 14 and the counterweight lifting rope 15 are respectively fixed on the driving wheel assembly 10, the sucker rod lifting rope 14 and the counterweight lifting rope 15 are wound on the driving wheel assembly 10 in opposite directions, and the sucker rod lifting rope 14 and the counterweight lifting rope 15 share a rope groove on the driving wheel assembly 10.
Two sides of the center of the upper excircle of the driving wheel assembly 10 are respectively provided with 6-8 left-handed rope grooves and 6-8 right-handed rope grooves, the sucker rod lifting rope 14 is divided into a left-handed sucker rod lifting rope and a right-handed sucker rod lifting rope, the left-handed sucker rod lifting rope and the right-handed sucker rod lifting rope pass around the left-handed rope groove 19 and the right-handed rope groove 20 on one side of the driving wheel assembly 10 and are fixed on the sucker rod lifting rope fixing hole 16, the counterweight lifting rope 15 is divided into a left-handed counterweight lifting rope and a right-handed counterweight lifting rope, and the right-handed counterweight lifting rope and the left-handed counterweight lifting rope pass around the right-handed rope groove 20 and the left-handed rope groove 19 on the other side of the driving wheel assembly 10 and are fixed on the counterweight lifting rope fixing hole 17.
As shown in fig. 6, the motor output shaft 2 is a taper shaft, and the taper shaft is connected with a taper steel sleeve 5 in the self-lubricating nylon pinion 3.
Wherein, the motor 1 adopts an asynchronous servo motor, the rated power is 5.5 to 90kw, the rated rotating speed is 300-. .
The configuration of the left-handed rope groove 19 and the right-handed rope groove 20 on the driving wheel assembly 10 is set according to the stroke of the tower type pumping unit, the stroke which can be realized when the left-handed rope groove 19 and the right-handed rope groove 20 are respectively 6 grooves is 1.7 times of the perimeter of the driving wheel, and the stroke which can be realized when the left-handed rope groove 19 and the right-handed rope groove 20 are respectively 8 grooves is 2.7 times of the perimeter of the driving wheel.
This embodiment 1 employs a two-stage reduction mechanism including a pair of self-lubricating nylon gears and a pair of forged steel gears. The total speed ratio i of the utility model is 35 to 42, the control range of the rotating speed is within 1000rpm, the rated torque is controlled within 3000 N.m, and the use conditions of the self-lubricating nylon gear are met; the self-lubricating nylon gear cannot meet the use requirement of a second-stage reduction gear due to the limitation of bending strength, the steel gear is used, the rotating speed of the pinion is 160 revolutions, the condition of oil dipping lubrication is met, the noise is reduced to the minimum, namely, a pair of self-lubricating nylon gears and a pair of forged steel gears are combined, the advantages of the self-lubricating nylon gears and the advantages of the steel gear are exerted, the effects of improving the advantages and avoiding the disadvantages are achieved, the structure is simple, the noise is low, the manufacturing cost of the motor is reduced, and the maintenance cost is also reduced. In the two-stage gear in the prior art, the steel gear meets the condition of oil dipping lubrication only when the rotating speed of the pinion is 250 revolutions, the total speed ratio i is 19 to 23, the rated torque of the motor needs to be increased by 1.75 times (compared with the embodiment 1), the motor cost of a combined transmission system is increased, the superposition effect noise of the two-stage steel gear transmission is large, and the requirement of environmental protection is difficult to meet.
Example 2
The pumping unit of embodiment 2 comprises a 1-stage speed-reducing heavy-load speed-reducing driving system, as shown in fig. 3-6, the heavy-load speed-reducing driving system comprises a permanent magnet synchronous motor 1 ', a motor output shaft 2', a driving wheel assembly 10 ', a driving wheel assembly shaft 11', a combined transmission bracket 12 ', two ends of the driving wheel assembly 10' are respectively provided with a sucker rod lifting rope fixing hole 16 'and a counterweight lifting rope fixing hole 17', two ends of the driving wheel assembly shaft 11 'are mounted on the combined transmission bracket 12' through a pair of bearings, the pumping unit further comprises a self-lubricating nylon pinion 3 ', a self-lubricating nylon big gear ring 4', a lifting rope and a counterweight lifting rope, the self-lubricating nylon pinion 3 'is mounted at the end of the motor output shaft 2' through a tensioning sleeve 6 ', a steel bushing 5' is inlaid in an inner hole of the self-lubricating nylon pinion 3 ', and the self-lubricating nylon big gear ring 4' is fixed on the driving wheel assembly 10 'through a positioning pin 18', the self-lubricating nylon pinion 3 'is meshed with the self-lubricating nylon big gear ring 4', the two sides of the center of the upper excircle of the driving wheel assembly 10 'are respectively provided with 6-8 left-handed rope grooves 19' and 6-8 right-handed rope grooves 20 ', the sucker rod lifting rope and the counterweight lifting rope are respectively fixed on the driving wheel assembly 10', the sucker rod lifting rope and the counterweight lifting rope are wound on the driving wheel assembly 10 'in opposite directions, and the sucker rod lifting rope and the counterweight lifting rope share the left-handed rope grooves 19' and the right-handed rope grooves 20 'on the driving wheel assembly 10'.
The sucker rod lifting rope is divided into a left-handed sucker rod lifting rope and a right-handed sucker rod lifting rope, the left-handed sucker rod lifting rope and the right-handed sucker rod lifting rope bypass a left-handed rope groove 19 'and a right-handed rope groove 20' on one side of a driving wheel assembly 10 'and are fixed on a sucker rod lifting rope fixing hole 16', the counterweight lifting rope is divided into a left-handed counterweight lifting rope and a right-handed counterweight lifting rope, and the right-handed counterweight lifting rope and the left-handed counterweight lifting rope bypass a right-handed rope groove 20 'and a left-handed rope groove 19' on the other side of the driving wheel assembly 10 'and are fixed on a counterweight lifting rope fixing hole 17'.
In this embodiment, the motor output shaft 2 'is a taper shaft, and the taper shaft is connected with a steel bushing with a taper in the self-lubricating nylon pinion 3'.
Wherein, the rated torque of the motor 1' is below 3000 N.m, the rated rotating speed is within 160rpm, and the driving torque of the driving wheel is 9600-40000 N.m.
The configuration of the left-handed rope groove and the right-handed rope groove on the driving wheel assembly 10 ' is set according to the stroke of the tower type pumping unit, the stroke which can be realized when the left-handed rope groove 19 ' and the right-handed rope groove 20 ' are respectively 6 grooves is 1.7 times of the perimeter of the driving wheel, and the stroke which can be realized when the left-handed rope groove 19 ' and the right-handed rope groove 20 ' are respectively 8 grooves is 2.7 times of the perimeter of the driving wheel.
The difference between the embodiment 2 and the embodiment 1 is that the number of stages of the speed reducing mechanism is different, but nylon gears are adopted in the speed reducing mechanism, and the conception is the same.
In this embodiment, adopt self-lubricating nylon pinion gear engagement of one-level self-lubricating nylon ring gear and motor output shaft, the velocity ratio is at 1: below 8, the rotating speed control range is within 160rpm, and the use condition of the self-lubricating nylon gear is met; the self-lubricating nylon gear ring is provided with 8-16 connecting holes, the inner edge of the gear ring is in transition fit with the outer edge of the steel sleeve, the self-lubricating nylon gear ring is fixed on a connecting plate (the connecting plate can be a nylon plate) of the driving wheel assembly in a locating pin tight fit mode, a totally-enclosed gear box is not needed, lubricating oil does not need to be added and replaced, and the maintenance cost is greatly reduced.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (10)
1. The utility model provides a heavy load speed reduction actuating system, includes motor (1), motor output shaft (2), transmission shaft (7), adorns drive wheel assembly (10), drive wheel assembly axle (11), combination transmission support (12) in drive wheel assembly gear box (13), sucker rod lifting rope fixed orifices (16) and counter weight lifting rope fixed orifices (17) have been opened respectively to the both ends of drive wheel assembly (10), and the both ends of drive wheel assembly axle (11) are installed on combination transmission support (12) through a pair of bearing, its characterized in that: the self-lubricating nylon gear wheel assembly is characterized by further comprising a self-lubricating nylon pinion (3), a self-lubricating nylon gearwheel (4), a steel sleeve (5), a tensioning sleeve (6), a forged steel pinion (8), a forged steel bull gear (9), a sucker rod lifting rope (14) and a counterweight lifting rope (15), wherein the self-lubricating nylon pinion (3) is arranged at the end part of the motor output shaft (2) through the tensioning sleeve (6), the steel sleeve (5) is embedded in an inner hole of the self-lubricating nylon pinion (3), the transmission shaft (7) is fixed on the combined transmission bracket (12) through a pair of bearing supports, the self-lubricating nylon pinion (3) is meshed with the self-lubricating nylon gearwheel (4), the self-lubricating nylon gearwheel (4) is fixedly arranged at one end of the transmission shaft (7), the forged steel pinion (8) is fixed at the other end of the transmission shaft (7), the forged steel bull gear (9) is arranged on the driving wheel assembly (10) and meshed with the forged steel pinion (8), two sides of the center of the upper excircle of the driving wheel assembly (10) are respectively provided with 6-8 left-handed rope grooves and 6-8 right-handed rope grooves, the sucker rod lifting rope (14) and the counterweight lifting rope (15) are wound on the driving wheel assembly (10) in opposite directions, and the sucker rod lifting rope (14) and the counterweight lifting rope (15) share the left-handed rope grooves and the right-handed rope grooves on the driving wheel assembly (10).
2. The heavy load deceleration drive system of claim 1, wherein: sucker rod lifting rope (14) divide into levogyration sucker rod lifting rope and dextrorotation sucker rod lifting rope, and levogyration sucker rod lifting rope and dextrorotation sucker rod lifting rope walk around the levogyration grooving and the dextrorotation grooving of drive wheel assembly (10) one side and fix on sucker rod lifting rope fixed orifices (16), counter weight lifting rope (15) divide into levogyration counter weight lifting rope and dextrorotation counter weight lifting rope, and dextrorotation counter weight lifting rope and levogyration counter weight lifting rope walk around the dextrorotation grooving and the levogyration grooving of drive wheel assembly (10) opposite side and fix on counter weight lifting rope fixed orifices (17).
3. The heavy load deceleration drive system of claim 2, wherein: the heavy load speed reduction driving system is suitable for a large tower type pumping unit with the maximum suspension point load of more than 160kn, the total speed reduction ratio i of a transmission system is 35 to 42, the motor (1) adopts an asynchronous servo motor, the rated power is 5.5 to 90kw, the rated rotating speed is 300-600rpm, the self-lubricating nylon pinion (3) outputs the rated torque of 200-21000 N.m, the torque is transmitted to the forged steel pinion (8) through the self-lubricating nylon bull gear (4) and is 1200-21000 N.m, and the dragging torque on a driving wheel is driven to be 12000-166000 N.m through the forged steel bull gear (9).
4. A heavy load reduction drive system according to any one of claims 1 to 3, the motor output shaft (2) being a tapered shaft connected to a tapered steel sleeve (5) within the self-lubricating nylon pinion (3).
5. The heavy-load speed reduction driving system comprises a motor (1 '), a motor output shaft (2'), a driving wheel assembly (10 '), a driving wheel assembly shaft (11') and a combined transmission support (12 '), wherein two ends of the driving wheel assembly (10') are respectively provided with a sucker rod lifting rope fixing hole (16 ') and a counterweight lifting rope fixing hole (17'), and two ends of the driving wheel assembly shaft (11 ') are arranged on the combined transmission support (12') through a pair of bearings, and the heavy-load speed reduction driving system is characterized in that: the self-lubricating nylon small gear (3 ') is sleeved at the end part of a motor output shaft (2 ') through tensioning, a steel sleeve is embedded in an inner hole of the self-lubricating nylon small gear (3 '), the self-lubricating nylon large gear (4 ') is fixed on a driving wheel assembly (10 ') through a positioning pin (18 '), the self-lubricating nylon small gear (3 ') is meshed with the self-lubricating nylon large gear (4 '), two sides of the center of the upper excircle of the driving wheel assembly (10 ') are respectively provided with 6-8 left-handed rope grooves (19 ') and 6-8 right-handed rope grooves (20 '), the sucker rod lifting rope and the counterweight lifting rope are respectively fixed on the driving wheel assembly, and the sucker rod lifting rope and the counterweight lifting rope are wound on the driving wheel assembly in opposite directions, the sucker rod lifting rope and the counterweight lifting rope share the left-handed rope groove and the right-handed rope groove on the driving wheel assembly.
6. The heavy load deceleration drive system of claim 5, wherein: the sucker rod lifting rope is divided into a left-handed sucker rod lifting rope and a right-handed sucker rod lifting rope, the left-handed sucker rod lifting rope and the right-handed sucker rod lifting rope bypass a left-handed rope groove and a right-handed rope groove on one side of a driving wheel assembly (10 ') and are fixed on a sucker rod lifting rope fixing hole (16'), the counterweight lifting rope is divided into a left-handed counterweight lifting rope and a right-handed counterweight lifting rope, and the right-handed counterweight lifting rope and the left-handed counterweight lifting rope bypass a right-handed rope groove and a left-handed rope groove on the other side of the driving wheel assembly (10 ') and are fixed on a counterweight lifting rope fixing hole (17').
7. A heavy load underdrive system as claimed in claim 6, said motor output shaft (2 ') being a tapered shaft connected to a tapered steel sleeve within a self-lubricating nylon pinion (3').
8. The heavy load deceleration drive system of claim 7, wherein: the heavy load speed reduction driving system is suitable for a medium-sized tower type pumping unit with the maximum suspension point load of the pumping unit being below 140kn, the reduction ratio i of a transmission system is within 8, the motor (1 ') adopts a permanent magnet synchronous motor, the rated rotating speed of the motor (1 ') is within 160rpm, the output rated torque is 800 + 3000 N.m, and the output rated torque is transmitted to a large self-lubricating nylon gear ring through a small self-lubricating nylon gear (3 ') to drive the dragging torque of a driving wheel to be 9600 + 40000 N.m.
9. An oil pumping unit is characterized in that: with the heavy load deceleration driving system according to any of claims 1 to 4, the configuration of the left-hand rope groove and the right-hand rope groove on the driving wheel assembly (10) is set according to the stroke of the tower type pumping unit, the stroke which can be realized when the left-hand rope groove and the right-hand rope groove are respectively 6 grooves is 1.7 times of the circumference of the driving wheel, and the stroke which can be realized when the left-hand rope groove and the right-hand rope groove are respectively 8 grooves is 2.7 times of the circumference of the driving wheel.
10. An oil pumping unit is characterized in that: with the heavy load deceleration driving system according to any of claims 5 to 8, the configuration of the left-hand rope groove and the right-hand rope groove on the driving wheel assembly (10') is set according to the stroke of the tower type pumping unit, the stroke achieved when the left-hand rope groove and the right-hand rope groove are respectively 6 grooves is 1.7 times of the circumference of the driving wheel, and the stroke achieved when the left-hand rope groove and the right-hand rope groove are respectively 8 grooves is 2.7 times of the circumference of the driving wheel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220540214.8U CN216894352U (en) | 2022-03-14 | 2022-03-14 | Heavy load speed reduction driving system and pumping unit using same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220540214.8U CN216894352U (en) | 2022-03-14 | 2022-03-14 | Heavy load speed reduction driving system and pumping unit using same |
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| CN216894352U true CN216894352U (en) | 2022-07-05 |
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| CN202220540214.8U Active CN216894352U (en) | 2022-03-14 | 2022-03-14 | Heavy load speed reduction driving system and pumping unit using same |
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