CN220909668U - Double-chain pumping unit without speed reducer - Google Patents
Double-chain pumping unit without speed reducer Download PDFInfo
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- CN220909668U CN220909668U CN202322748667.7U CN202322748667U CN220909668U CN 220909668 U CN220909668 U CN 220909668U CN 202322748667 U CN202322748667 U CN 202322748667U CN 220909668 U CN220909668 U CN 220909668U
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- pumping unit
- speed reducer
- gears
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- 238000005086 pumping Methods 0.000 title claims abstract description 27
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 230000033001 locomotion Effects 0.000 claims abstract description 11
- 244000309464 bull Species 0.000 claims description 7
- 239000000725 suspension Substances 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
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Abstract
The utility model relates to the field of pumping units and discloses a double-chain pumping unit without a speed reducer, wherein a reversing system of the double-chain pumping unit is a reversing system driven by a conical gear and comprises a driving conical gear, two identical driven conical gears, two identical pairs of transmission gears, two identical lower chain wheels, two identical track chains, two identical upper chain wheels, two identical special chain links, two identical swinging rods and a cantilever frame, wherein the two driven conical gears are symmetrical to the axis of the driving conical gears and meshed with the driving conical gears at the same time, and the two special chain links are respectively arranged at diagonal positions of the two track chains with the same height. The midpoint of the connecting line of the special chain links of the two track chains is always positioned on a vertical line to perform up-and-down reciprocating motion, so that the overturning moment generated when the balance box moves is effectively eliminated; high efficiency and energy saving; the safety and reliability are realized; the reversing can be performed by adopting a swing rod mechanism or a sliding block mechanism; no speed reducer is arranged, and the manufacturing cost is low.
Description
Technical Field
The utility model relates to the field of pumping units, in particular to a double-chain pumping unit without a speed reducer.
Background
At present, a common chain type pumping unit adopts a sliding block mechanism to change direction, and a driving chain wheel drives a track chain to circularly move around an upper chain wheel and a lower chain wheel; the track chain is provided with a special chain link which is connected with a sliding block of the sliding block mechanism, a guide part of the sliding block mechanism is connected with the balance box, when the special chain link of the track chain passes through the position of the chain wheel, reversing is realized through the sliding block mechanism, reverse movement is started, the balance box is driven to reciprocate up and down, the movement track of the special chain link is an annular track which moves along the track chain, and when the special chain link drives the balance box to move, a stress point acting on the balance box has a larger transverse and longitudinal distance from the horizontal distance of the gravity center of the balance box, so that counter torque is generated in the movement of the balance box; in order to overcome the counter moment, guide rails and centralizing wheels are required to be added on two sides of the balance box, so that friction and energy loss are caused, meanwhile, the guide wheels are more stressed and are easy to damage, a series of faults are caused, and the reliability of the pumping unit is reduced.
Disclosure of utility model
In order to overcome the defects of the prior art, the utility model provides the double-chain pumping unit which effectively overcomes the counter torque, is efficient and energy-saving, is safe and reliable and has no reducer, and the technical scheme is as follows:
A double-chain pumping unit without a speed reducer comprises a power system, a braking system, a reversing system, a balancing system, a main body bracket and a suspension system; the reversing system is a reversing system driven by a bevel gear and comprises a driving bevel gear, two identical driven bevel gears, two identical pairs of transmission gears, two identical lower chain wheels, two identical track chains, two identical upper chain wheels, two identical special chain links, two identical swinging rods and a cantilever frame, wherein the two driven bevel gears are symmetrical to the axis of the driving bevel gears and meshed with the driving bevel gears at the same time, the rotation speeds of the two driven bevel gears are identical and opposite, the transmission gears comprise transmission pinions coaxial with the driven bevel gears and symmetrically distributed and transmission bull gears meshed with the transmission pinions, the two transmission bull gears are respectively coaxially installed with the two lower chain wheels, the two upper chain wheels are installed on the same vertical plane with the lower chain wheels, the two parallel track chains respectively circulate around the lower chain wheels and the upper chain wheels, the two special chain links are respectively installed on opposite angle positions of the two track chains at the same height, the lower ends of the two swinging rods are respectively connected with the two special chain links, and the upper ends of the two swinging rods are respectively connected with the opposite angle swinging rods.
Furthermore, the transmission pinion and the transmission bull gear are all cylindrical gears or are replaced by chain sprockets.
Further, the power system comprises a motor, a belt pulley and a connecting belt, wherein the belt pulley comprises a small belt pulley arranged on an output shaft of the motor and a large belt pulley arranged on an input shaft of the driving bevel gear, and the connecting belt is sleeved on the small belt pulley and the large belt pulley.
Furthermore, the swinging rod is connected with the cantilever frame through the aligning roller bearing, and when the synchronous error exists between the two track chains, the cantilever frame can swing around the hinge shaft to automatically eliminate the error.
Further, the balance system comprises a balance box and a hinge shaft, and the upper part of the balance box is connected with the cantilever mount through the hinge shaft.
Further, a limiting block is arranged between the balance box and the swing rod, so that the trend of continuous displacement when the swing rod swings to limit positions on two sides is limited.
Furthermore, the limiting block adopts a male-female opposite-plug structure.
Furthermore, the male-female opposite-plug structure limiting block is provided with a limiting groove on the balance box, and a limiting plate is arranged on the swing rod and is inserted into the limiting groove to realize limiting.
Further, the suspension system comprises a traction belt, a roller and a lifting rope, wherein one end of the traction belt which winds the roller is connected with the balance box, and the other end of the traction belt is connected with the lifting rope.
Furthermore, the swing rod is replaced by a sliding block mechanism, the cantilever frame is arranged at the lower part of the balance box through a hinge shaft, and the sliding block mechanism is respectively connected with the cantilever frame and a special chain link to realize reversing.
Compared with the prior art, the utility model has the following beneficial technical effects:
1. The midpoint of the connecting line of the special chain links of the two track chains of the double-chain pumping unit provided by the utility model is always positioned on a vertical line to perform up-and-down reciprocating motion, so that the overturning moment generated when the balancing box moves is effectively eliminated.
2. Under the condition that the oil pumping unit is vertically installed, the guide rail and the centralizing wheel are not stressed, friction and energy loss caused by the stress are thoroughly avoided, and high-efficiency energy conservation is realized.
3. The guide wheel is not stressed, so that the damage to the guide wheel caused by stress and a series of faults caused by the damage are thoroughly avoided, and the safety and reliability of the pumping unit are improved.
4. The reversing system can be used for reversing by adopting the swing rod or the sliding block mechanism, and has strong adaptability, flexibility and convenience.
5. The utility model does not need a reducer, is driven by a conical gear, adopts a cylindrical gear for reducing the speed, has simple structure and low manufacturing cost; after the gear is worn at the later stage of the shell where the gear is not fixed, the gear clearance is adjustable, and the maintenance cost is low.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of the reversing structure of the swing rod of the utility model;
FIG. 3 is a schematic diagram of a slider reversing arrangement according to the present utility model;
FIG. 4 is a schematic view of a partial perspective view of the power and reversing system of the present utility model;
FIG. 5 is a schematic view of a partial top view of the gear and sprocket of the present utility model;
In the figure: 1-power system, 1.1-motor, 1.2-small belt pulley, 1.3-big belt pulley, 1.4-connecting belt, 2-braking system, 3-reversing system, 3.1-driving bevel gear, 3.2-driven bevel gear, 3.3-driving large gear, 3.4-driving small gear, 3.5-lower sprocket, 3.6-track chain, 3.7-upper sprocket, 3.8-special chain link, 3.9-swing rod, 3.10-cantilever frame, 3.11-stopper, 3.12-slide block mechanism, 4-balance system, 4.1-balance box, 4.2-hinge shaft, 5-main body bracket, 6-suspension system, 6.1-traction belt, 6.2-roller and 6.3-lifting rope.
Detailed Description
The present utility model will be described in detail with reference to the following examples and drawings.
Example 1
See fig. 1, 2, 3, 4 and 5. A double-chain pumping unit without a speed reducer comprises a power system 1, a braking system 2, a reversing system 3, a balancing system 4, a main body bracket 5 and a suspension system 6; the reversing system 3 is a reversing system driven by a bevel gear and comprises a driving bevel gear 3.1, two identical driven bevel gears 3.2, two identical pairs of transmission gears, two identical lower chain wheels 3.5, two identical track chains 3.6, two identical upper chain wheels 3.7, two identical special chain links 3.8, two identical swinging rods 3.9 and a cantilever frame 3.10, wherein the two driven bevel gears 3.2 are symmetrical to the axis of the driving bevel gears 3.1 and are meshed with the driving bevel gears 3.1 at the same time, the rotation speeds of the two driven bevel gears 3.2 are identical and are opposite to each other, the transmission gears comprise transmission pinions 3.4 which are coaxial with the driven bevel gears and are symmetrically distributed, and transmission pinions 3.3 which are meshed with the transmission pinions 3.4, the two transmission pinions 3.3 are respectively coaxially installed with the two lower chain wheels 3.5, the two upper chain wheels 3.7 are installed on the same vertical plane, the two parallel track chains 3.6 are respectively installed on the main body bracket 5 and are respectively around the lower chain wheels 3.5, the two opposite to the two special chain links 3.8 are respectively installed at the opposite angles of the two opposite directions of the two special chain links 3.8.3.9.
Example 2
See fig. 1, 2, 3, 4 and 5. On the basis of the technical scheme described in the embodiment 1, the transmission pinion 3.4 and the transmission bull gear 3.3 are cylindrical gears, and specific specifications of the double-chain pumping unit without a speed reducer can be designed according to the speed reduction requirement; instead of a chain sprocket, a chain sprocket may be used.
Example 3
See fig. 1, 2, 3, 4 and 5. On the basis of the technical scheme recorded in the embodiment 1, the power system 1 comprises a motor 1.1, a belt pulley and a connecting belt 1.4, wherein the belt pulley comprises a small belt pulley 1.2 arranged on an output shaft of the motor 1.1 and a large belt pulley 1.3 arranged on an input shaft of a driving conical gear 3.1, and the connecting belt 1.4 is sleeved on the small belt pulley 1.2 and the large belt pulley 1.3.
Example 4
See fig. 1, 2, 3, 4 and 5. On the basis of the technical scheme described in the embodiment 1, the swinging rod 3.9 is connected with the cantilever frame 3.10 through a self-aligning roller bearing. The self-aligning roller bearing is provided with double-row rollers, the outer ring is provided with 1 shared spherical roller path, the inner ring is provided with 2 spherical roller paths and inclines to form an angle relative to the axis of the bearing, and the self-aligning roller bearing has self-aligning performance.
During specific installation, the upper ends of the swinging rods 3.9 are connected to the opposite angles of the cantilever frames 3.10 through aligning roller bearings, the lower ends of the swinging rods are connected to the special chain links 3.8, and in the movement process, when the stress of the two swinging rods 3.9 is unbalanced due to manufacturing errors, the cantilever frames 3.10 can moderately swing around the hinge shafts 4.2 to solve the problem of unbalanced stress caused by errors.
Example 5
See fig. 1, 2, 3, 4 and 5. On the basis of the technical scheme described in the embodiment 1, the balance system 4 comprises a balance box 4.1 and a hinge shaft 4.2, and the upper part of the balance box 4.1 is linked with a cantilever frame 3.10 through the hinge shaft 4.2; a limiting block 3.11 is arranged between the balance box 4.1 and the swinging rod 3.9; the limiting block 3.11 adopts a male-female opposite-plug structure, a limiting groove is arranged on the balance box 4.1, a limiting plate is arranged on the swing rod 3.9, and the limiting plate is inserted into the limiting groove to realize limiting.
After the swing rod 3.9 is provided with the aligning roller bearing, the swing rod 3.9 can generate supporting force on the track chain 3.6, and the limit block 3.11 is additionally arranged on the balance box 4.1 to limit the trend of continuous displacement when the swing rod 3.9 swings to limit positions on two sides so as to eliminate the supporting force of the swing rod 3.9 on the track chain 3.6.
Example 6
See fig. 1, 2, 3, 4 and 5. On the basis of the technical scheme described in the embodiment 1, the suspension system 6 comprises a traction belt 6.1, a roller 6.2 and a lifting rope 6.3, wherein one end of the traction belt 6.1 which winds the roller 6.2 is connected with a balance box 4.1, and the other end is connected with the lifting rope 6.3.
Example 7
See fig. 1, 2, 3, 4 and 5. On the basis of the technical scheme described in the embodiment 1, the swinging rod 3.9 is replaced by a sliding block mechanism 3.12, the cantilever frame 3.10 is arranged at the lower part of the balance box 4.1 through a hinge shaft 4.2, and the sliding block mechanism 3.12 is respectively connected with the cantilever frame 3.10 and a special chain link 3.8 to realize reversing.
For a better understanding of the present utility model, the basic working principle thereof will now be briefly described as follows:
The utility model provides a double-chain pumping unit without a speed reducer, which is characterized in that a driving conical gear 3.1 drives two identical driven conical gears 3.2 at the same time, and the two driven conical gears 3.2 are symmetrical to the axis of the driving conical gear 3.1, so that the driving conical gears are coaxial, have equal rotating speeds and are opposite in steering; the driven bevel gear 3.2 further drives two identical lower chain wheels 3.5 to rotate through a series of transmission parts, the transmission parts still adopt symmetrical design to enable the two lower chain wheels 3.5 to be coaxial, have the same rotating speed but opposite rotating directions, and the two lower chain wheels 3.5 respectively drive two chains 3.6 with the same track to do circular motion, and the two track chains 3.6 are parallel, have the same speed but opposite rotating directions; two special chain links 3.8 are respectively arranged at the same height diagonal positions of the two track chains 3.6, the two special chain links 3.8 are respectively connected with the lower ends of the two swinging rods 3.9, the upper ends of the two swinging rods 3.9 are respectively connected with the diagonal positions of the balance box 4.1, and when the two track chains 3.6 circularly move, the two special chain links 3.8 drive the swinging rods 3.9 to drive the balance box 4.1 to reciprocate up and down; when the two special chain links 3.8 do opposite circulation motions along with the track chain 3.6 respectively, the center motion track of the connecting line of the two special chain links 3.8 is always in a vertical line to do up-down reciprocating motion, the gravity center of the balance box 4.1 and the connecting point of the traction belt 6.1 and the balance box 4.1 are designed on the vertical line, the force applied to the balance box 4.1 by the two special chain links 3.8 and the resultant force generated by the gravity of the balance box 4.1 and the traction force of the traction belt 6.1 are always kept on the vertical line, and no counter torque is generated on the balance box 4.1.
Claims (10)
1. The utility model provides a no double-chain beam-pumping unit of reduction gear, includes driving system, braking system, switching-over system, balanced system, main part support and suspension, its characterized in that: the reversing system is a reversing system driven by a bevel gear and comprises a driving bevel gear, two identical driven bevel gears, two identical pairs of transmission gears, two identical lower chain wheels, two identical track chains, two identical upper chain wheels, two identical special chain links, two identical swinging rods and a cantilever frame, wherein the two driven bevel gears are symmetrical to the axis of the driving bevel gears and meshed with the driving bevel gears at the same time, the rotation speeds of the two driven bevel gears are identical and opposite, the transmission gears comprise transmission pinions and transmission bull gears, the transmission pinions and the transmission bull gears are coaxial with the driven bevel gears and are symmetrically distributed, the transmission bull gears are respectively and coaxially installed with the two lower chain wheels, the two upper chain wheels are installed on the same vertical plane with the lower chain wheels, the two parallel track chains respectively do circular motion around the lower chain wheels and the upper chain wheels, the two special chain links are respectively installed on opposite angle positions of the two track chains, the lower ends of the two swinging rods are respectively connected with the two special chain links, and the upper ends of the two swinging rods are respectively connected with the opposite angle positions of the cantilever frames.
2. The double-chain pumping unit without a speed reducer as claimed in claim 1, wherein: the small transmission gear and the large transmission gear are cylindrical gears or are replaced by chain sprockets.
3. The double-chain pumping unit without a speed reducer as claimed in claim 1, wherein: the power system comprises a motor, a belt pulley and a connecting belt, wherein the belt pulley comprises a small belt pulley arranged on an output shaft of the motor and a large belt pulley arranged on an input shaft of the driving bevel gear, and the connecting belt is sleeved on the small belt pulley and the large belt pulley.
4. The double-chain pumping unit without a speed reducer as claimed in claim 1, wherein: the swing rod is connected with the cantilever frame through a self-aligning roller bearing, and when the synchronous error exists between the two track chains, the cantilever frame can swing around the hinge shaft to automatically eliminate the error.
5. The double-chain pumping unit without a speed reducer as claimed in claim 1, wherein: the balance system comprises a balance box and a hinge shaft, and the upper part of the balance box is connected with the cantilever mount through the hinge shaft.
6. The double-chain pumping unit without a speed reducer as claimed in claim 5, wherein: a limiting block is arranged between the balance box and the swing rod, so that the trend of continuous displacement when the swing rod swings to limit positions on two sides is limited.
7. The speed reducer-free double-chain pumping unit according to claim 6, wherein: the limiting block adopts a male-female opposite-plug structure.
8. The speed reducer-free double-chain pumping unit according to claim 7, wherein: the male-female opposite-plug type structure limiting block is characterized in that a limiting groove is formed in the balance box, a limiting plate is arranged on the swing rod, and the limiting plate is inserted into the limiting groove to realize limiting.
9. The double-chain pumping unit without a speed reducer as claimed in claim 1, wherein: the suspension system comprises a traction belt, a roller and a lifting rope, wherein one end of the traction belt which winds the roller is connected with the balance box, and the other end of the traction belt is connected with the lifting rope.
10. The double-chain pumping unit without a speed reducer as claimed in claim 5, wherein: the swing rod is replaced by a sliding block mechanism, the cantilever mount is arranged at the lower part of the balance box through a hinge shaft, and the sliding block mechanism is respectively connected with the cantilever mount and a special chain link to realize reversing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322748667.7U CN220909668U (en) | 2023-10-13 | 2023-10-13 | Double-chain pumping unit without speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322748667.7U CN220909668U (en) | 2023-10-13 | 2023-10-13 | Double-chain pumping unit without speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220909668U true CN220909668U (en) | 2024-05-07 |
Family
ID=90916540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322748667.7U Active CN220909668U (en) | 2023-10-13 | 2023-10-13 | Double-chain pumping unit without speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220909668U (en) |
-
2023
- 2023-10-13 CN CN202322748667.7U patent/CN220909668U/en active Active
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