CN210371888U - Gearbox with output circulation forward and backward rotation - Google Patents
Gearbox with output circulation forward and backward rotation Download PDFInfo
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- CN210371888U CN210371888U CN201921187406.XU CN201921187406U CN210371888U CN 210371888 U CN210371888 U CN 210371888U CN 201921187406 U CN201921187406 U CN 201921187406U CN 210371888 U CN210371888 U CN 210371888U
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Abstract
A transmission with output circulation in forward and reverse rotation comprises a box body, an input shaft, a first bearing, a limiting bearing, a gear, an arc-shaped rack, a first limiting arc-shaped gear, an output shaft, a first limiting arc-shaped gear and a rack limiting gear; the input shaft is arranged on the box body through a first bearing, a gear is arranged at the front end of the input shaft, the gear is meshed with the arc-shaped rack to form a transmission pair, a limiting bearing is sleeved on the input shaft at the rear side of the gear, the arc-shaped rack is sleeved on the output shaft, rack limiting baffles are respectively arranged on the output shaft, and limiting arc baffles are respectively arranged at two end parts of the arc-shaped rack; two ends of the output shaft are arranged on the box body through a second bearing; the input shaft drives the gear to rotate, the gear is meshed with the arc-shaped rack to drive the arc-shaped rack to rotate, and the arc-shaped rack drives the output shaft to output forward and reverse reciprocating rotation. The utility model discloses can realize the input that one turned to, two bad reciprocal outputs that turn to of following. The energy can be saved by 50 percent by using the utility model.
Description
Technical Field
The utility model relates to a gearbox, in particular to gearbox that output circulation is just, reversal.
Background
At present, a beam pumping unit has become one of the types of pumping units mainly used in oil fields due to the characteristics of reliable performance, simple structure, convenient operation and maintenance and the like.
The conventional beam pumping unit realizes the up-and-down reciprocating motion of the pumping unit by using a crank mechanism, and the reciprocating mechanism has a complex structure. In addition, in the up-down stroke of the pumping unit, because the torque generated on the rotating shaft of the crank mechanism is unequal, the torque variation amplitude on the crank shaft is very large, the fluctuation of the power of the motor is large directly, the load factor of the motor in most time is very low, and a large amount of mechanical energy is wasted in the form of heat loss.
Disclosure of Invention
The utility model aims at providing a gearbox that output circulation is just, the reversal in order to solve the complicated problem of crank mechanism of current beam-pumping unit to and solve the big problem of motor power consumption that the beam-pumping unit used, and provide.
A transmission with output circulation in forward and reverse rotation comprises a box body, an input shaft, a first bearing, a limiting bearing, a gear, an arc-shaped rack, a first limiting arc-shaped gear, an output shaft, a second limiting arc-shaped gear and a rack limiting gear;
the input shaft, the first bearing, the limiting bearing, the gear, the arc-shaped rack, the first limiting arc-shaped baffle, the output shaft and the rack limiting baffle are all positioned in the box body;
the input shaft is arranged on the box body through a first bearing, a gear is arranged at the front end of the input shaft and is meshed with the arc-shaped rack to form a transmission pair, a limiting bearing is sleeved on the input shaft at the rear side of the gear, a spline sleeve is arranged in the center of the arc-shaped rack, a spline is arranged in the middle of the output shaft, the arc-shaped rack is sleeved on the output shaft, and the arc-shaped rack is connected with the output shaft through the spline sleeve and the spline; rack limiting baffles are respectively arranged on output shafts at two ends of the spline, and a first limiting arc baffle and a second limiting arc baffle are respectively arranged at two end parts of the arc-shaped rack; two ends of the output shaft are arranged on the box body through a second bearing; the periphery of the circular arc-shaped rack is provided with teeth, and the gear can be meshed with the circular arc-shaped rack;
when the gear is meshed with the end part of the circular arc-shaped rack, the peripheral surface of the limiting bearing is contacted with the inner concave part of the first limiting arc-shaped baffle or the second limiting arc-shaped baffle, and the first limiting arc-shaped baffle or the second limiting arc-shaped baffle forces the gear to be contacted with the end part of the circular arc-shaped rack to realize meshing rotation;
in the transmission process of the arc-shaped rack, when the arc-shaped rack is positioned on the side edge of the output shaft, the arc-shaped rack is limited and blocked by the rack, and the other side of the arc-shaped rack is forced to be meshed with the gear for transmission.
The teeth of the circular arc rack and the gear are strip teeth.
The teeth of the circular arc rack and the teeth of the gear are spherical teeth.
The first limiting arc-shaped baffle and the second limiting arc-shaped baffle are provided with a plurality of through holes, and the through holes are formed in order to reduce the resistance of lubricating oil in the box body in the transmission process.
The input shaft inputs power through a worm and gear mechanism, the worm and gear mechanism is connected with the motor or the engine, or the input shaft is connected with a reduction gearbox, and the reduction gearbox is connected with the motor or the engine.
The utility model discloses a working process and principle:
the input shaft drives the gear to rotate, the gear is meshed with the arc-shaped rack to drive the arc-shaped rack to rotate, and the arc-shaped rack drives the output shaft to rotate; when the gear is meshed with one side of the arc-shaped rack, the arc-shaped rack drives the output shaft to rotate in one direction, and when the gear is meshed with the other side of the arc-shaped rack, the arc-shaped rack drives the output shaft to rotate in the opposite direction, so that the input shaft rotates in one direction, and the output shaft can output forward and reverse reciprocating rotation.
When the gear is meshed with the two ends of the circular arc-shaped rack, the first limiting arc-shaped baffle or the second limiting arc-shaped baffle forces the gear to be meshed with the circular arc-shaped rack; when the arc-shaped rack slides to the two side edges, the rack limiting block forces the arc-shaped rack to be meshed with the gear, and the transmission of the arc-shaped rack and the gear is realized.
The utility model has the advantages that:
1. the input of one steering and the output of two cyclic reciprocating steering can be realized.
2. Compact structure, good sealing performance, long service life and smooth transmission.
3. The utility model discloses when being applied to the beam-pumping unit, through the contrast test, use the utility model discloses, can energy-conserving 50%.
4. The utility model discloses can be applied to an input that turns to, two fields that bad reciprocal turn to the output of following, for example the used beam-pumping unit in oil field.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic diagram of the internal structure of the present invention.
Fig. 3 is a schematic view of the state that the arc rack of the present invention slides to one side.
Fig. 4 is a schematic view of the state that the arc-shaped rack slides to the other side.
Fig. 5 is a schematic view of the engagement between the gear and the circular arc-shaped rack of the present invention.
Fig. 6 is a perspective view of the circular arc-shaped rack of the present invention.
Fig. 7 is a schematic perspective view of the first limiting arc stopper and the first limiting arc stopper of the present invention.
Fig. 8 is a perspective view of the gear of the present invention.
Detailed Description
Referring to fig. 1 to 8, the transmission with output cycle forward and reverse rotation comprises a box body 1, an input shaft 2, a first bearing 3, a limit bearing 4, a gear 5, a circular arc-shaped rack 6, a first limit arc-shaped stop 7, an output shaft 8, a second limit arc-shaped stop 9 and a rack limit stop 10; the input shaft 2, the first bearing 3, the limiting bearing 4, the gear 5, the arc-shaped rack 6, the first limiting arc-shaped baffle 7, the output shaft 8 and the rack limiting baffle 10 are all positioned in the box body 1; the input shaft 2 is arranged on the housing 1 by means of a first bearing 3,
the input shaft 2 is arranged on the box body 1 through the first bearing 3, the front end of the input shaft 2 is provided with the gear 5, the gear 5 is meshed with the arc-shaped rack 6 to form a transmission pair, the input shaft 2 at the rear side of the gear 5 is sleeved with the limiting bearing 4, the center of the arc-shaped rack 6 is provided with the spline sleeve 61, the middle part of the output shaft 8 is provided with the spline 81, the arc-shaped rack 6 is sleeved on the output shaft 8, and the arc-shaped rack 6 is connected with the output shaft 8 through the spline sleeve 61 and the spline 81; rack limiting baffles 10 are respectively arranged on the output shafts 8 at the two ends of the spline 81, and a first limiting arc baffle 7 and a second limiting arc baffle 9 are respectively arranged at the two end parts of the arc-shaped rack 6; the first limiting arc-shaped baffle 7 and the second limiting arc-shaped baffle 9 are mounted on the circular arc-shaped rack 6 through two mounting seats 62 on the circular arc-shaped rack 6, as shown in fig. 6;
two ends of the output shaft 8 are arranged on the box body 1 through a second bearing 11;
the periphery of the circular arc-shaped rack 6 is provided with teeth, and the gear 5 can be meshed with the circular arc-shaped rack 6;
when the gear 5 is meshed with the end part of the circular arc-shaped rack 6, as shown in fig. 2, the peripheral surface of the limiting bearing 4 is contacted with the inner concave part of the first limiting arc-shaped stop 7 or the second limiting arc-shaped stop 9, and the first limiting arc-shaped stop 7 or the second limiting arc-shaped stop 9 forces the gear 5 to be contacted with the end part of the circular arc-shaped rack 6, so that meshing rotation is realized;
as shown in fig. 3 and 4, in the transmission process of the circular arc-shaped rack 6, when the circular arc-shaped rack 6 is located on the side of the output shaft 8, the rack limit stopper 10 stops the circular arc-shaped rack 6, and the other side of the circular arc-shaped rack 6 is forced to be meshed with the gear 5 for transmission.
The teeth of the circular arc-shaped rack 6 and the gear 5 are strip-shaped teeth.
The teeth of the circular arc-shaped rack 6 and the gear 5 are spherical teeth, as shown in fig. 6, 6 and 8, in this embodiment, the teeth of the gear 5 are convex balls, the teeth of the circular arc-shaped rack 6 are spherical pits, and the convex balls and the spherical pits are matched to realize transmission. Or the teeth of the gear 5 are concave pits and the teeth of the circular arc-shaped rack 6 are convex balls.
The first limiting arc-shaped baffle 7 and the second limiting arc-shaped baffle 9 are provided with a plurality of through holes 91, and the through holes 91 are formed to reduce the resistance of lubricating oil in the box body in the transmission process, as shown in fig. 7.
The input shaft 2 inputs power through the worm gear mechanism 12, the worm gear mechanism 12 is connected with the motor or the engine, or the input shaft 2 is connected with the reduction gearbox, and the reduction gearbox is connected with the motor or the engine.
The working process and principle of the embodiment are as follows:
the input shaft 2 drives the gear 5 to rotate, the gear 5 is meshed with the arc-shaped rack 6 to drive the arc-shaped rack 6 to rotate, and the arc-shaped rack 6 drives the output shaft 8 to rotate; when the gear 5 is meshed with one side of the arc-shaped rack 6, the arc-shaped rack 6 drives the output shaft 8 to rotate in one direction, and when the gear 5 is meshed with the other side of the arc-shaped rack 6, the arc-shaped rack 6 drives the output shaft 8 to rotate in the opposite direction, so that the input shaft 2 rotates in one direction, and the output shaft 8 can output forward and backward reciprocating rotation.
As shown in fig. 2, when the gear 5 is engaged with both ends of the circular arc-shaped rack 6, the first limiting arc-shaped stopper 7 or the second limiting arc-shaped stopper 9 forces the gear 5 to be engaged with the circular arc-shaped rack 6; as shown in fig. 3 and 4, when the circular arc-shaped rack 6 slides to two sides, the rack limiting stopper 10 forces the circular arc-shaped rack 6 to be meshed with the gear 5, so that the circular arc-shaped rack 6 and the gear 5 are driven.
The utility model discloses an experimental result:
the contrast test object is a III-type beam pumping unit and uses the pumping unit of the utility model;
using the same motor, the input voltage was 380V.
The measuring means is to measure the operating current.
And (3) measuring results: the working current of the motor is 8A; the operating current for the motor of the present invention is 4A. According to the calculation of well-known energy consumption, the conclusion that uses the utility model discloses a pumping unit is energy-conserving 50% than III type beam-pumping unit.
Claims (7)
1. A transmission with forward and reverse output cycles, comprising: the gear box comprises a box body (1), an input shaft (2), a first bearing (3), a limiting bearing (4), a gear (5), an arc-shaped rack (6), a first limiting arc-shaped stop (7), an output shaft (8), a second limiting arc-shaped stop (9) and a rack limiting stop (10);
the input shaft (2), the first bearing (3), the limiting bearing (4), the gear (5), the arc-shaped rack (6), the first limiting arc-shaped stop (7), the output shaft (8) and the rack limiting stop (10) are all positioned in the box body (1);
the input shaft (2) is arranged on the box body (1) through a first bearing (3), a gear (5) is arranged at the front end of the input shaft (2), the gear (5) is meshed with the arc-shaped rack (6) to form a transmission pair, a limiting bearing (4) is sleeved on the input shaft (2) on the rear side of the gear (5), a spline sleeve (61) is arranged at the center of the arc-shaped rack (6), a spline (81) is arranged in the middle of the output shaft (8), the arc-shaped rack (6) is sleeved on the output shaft (8), and the arc-shaped rack (6) is connected with the output shaft (8) through the spline sleeve (61) and the spline (81); rack limiting baffles (10) are respectively arranged on the output shafts (8) at the two ends of the spline (81), and a first limiting arc baffle (7) and a second limiting arc baffle (9) are respectively arranged at the two ends of the arc-shaped rack (6);
two ends of the output shaft (8) are arranged on the box body (1) through a second bearing (11);
the periphery of the circular arc-shaped rack (6) is provided with teeth, and the gear (5) can be meshed with the circular arc-shaped rack (6);
when the gear (5) is meshed with the end part of the arc-shaped rack (6), the peripheral surface of the limiting bearing (4) is contacted with the inner concave part of the first limiting arc-shaped stop (7) or the second limiting arc-shaped stop (9), and the first limiting arc-shaped stop (7) or the second limiting arc-shaped stop (9) forces the gear (5) to be contacted with the end part of the arc-shaped rack (6) to realize meshing rotation;
in the transmission process of the arc-shaped rack (6), when the arc-shaped rack (6) is positioned on the side edge of the output shaft (8), the rack limiting stopper (10) stops the arc-shaped rack (6), and the other side of the arc-shaped rack (6) is forced to be meshed with the gear (5) for transmission.
2. An output cycle forward and reverse speed change gear according to claim 1, wherein: the teeth of the arc-shaped rack (6) and the gear (5) are strip-shaped teeth.
3. An output cycle forward and reverse speed change gear according to claim 1, wherein: the teeth of the circular arc-shaped rack (6) and the gear (5) are spherical teeth.
4. An output cycle forward and reverse speed change gear according to claim 1, wherein: a plurality of through holes (91) are formed in the first limiting arc-shaped baffle (7) and the second limiting arc-shaped baffle (9).
5. An output cycle forward and reverse speed change gear according to claim 1, wherein: the first limiting arc-shaped baffle (7) and the second limiting arc-shaped baffle (9) are arranged on the arc-shaped rack (6) through two mounting seats (62) on the arc-shaped rack (6).
6. An output cycle forward and reverse speed change gear according to claim 1, wherein: the input shaft (2) inputs power through a worm and gear mechanism (12), and the worm and gear mechanism (12) is connected with a motor or an engine.
7. An output cycle forward and reverse speed change gear according to claim 1, wherein: the input shaft (2) is connected with a reduction gearbox, and the reduction gearbox is connected with a motor or an engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921187406.XU CN210371888U (en) | 2019-07-26 | 2019-07-26 | Gearbox with output circulation forward and backward rotation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921187406.XU CN210371888U (en) | 2019-07-26 | 2019-07-26 | Gearbox with output circulation forward and backward rotation |
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| Publication Number | Publication Date |
|---|---|
| CN210371888U true CN210371888U (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921187406.XU Active CN210371888U (en) | 2019-07-26 | 2019-07-26 | Gearbox with output circulation forward and backward rotation |
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| Country | Link |
|---|---|
| CN (1) | CN210371888U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242722A (en) * | 2019-07-26 | 2019-09-17 | 宋嗣新 | A kind of gearbox of output circulation forward and backward |
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2019
- 2019-07-26 CN CN201921187406.XU patent/CN210371888U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242722A (en) * | 2019-07-26 | 2019-09-17 | 宋嗣新 | A kind of gearbox of output circulation forward and backward |
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