CN203175501U - Flexible friction reverse wheel - Google Patents
Flexible friction reverse wheel Download PDFInfo
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- CN203175501U CN203175501U CN 201320200183 CN201320200183U CN203175501U CN 203175501 U CN203175501 U CN 203175501U CN 201320200183 CN201320200183 CN 201320200183 CN 201320200183 U CN201320200183 U CN 201320200183U CN 203175501 U CN203175501 U CN 203175501U
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- wheel body
- secter pat
- outstanding
- interior
- outer wheel
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Abstract
The utility model discloses a flexible friction reverse wheel. The flexible friction reverse wheel consists of an inner wheel body, springs, a spindle and an outer wheel body. The inner surface of the inner wheel body is fixedly connected with the spindle, convex fan-shaped blocks are evenly distributed on the outer surface of the inner wheel body at intervals, and the inner wheel body and the convex fan-shaped blocks on the outer surface are integrated. Convex fan-shaped blocks are evenly distributed on the inner surface of the outer wheel body at intervals, the outer wheel body and the convex fan-shaped blocks on the inner surface are integrated, the convex fan-shaped blocks on the inner wheel body are sequentially fixed in gaps of the convex fan-shaped blocks on the outer wheel body in an intersected mode, and parts of adjacent convex fan-shaped blocks on the inner wheel body and the outer wheel body are connected through two ends of each spring. By applying the flexible friction reverse wheel, the mechanical efficiency of an oil extraction system can be effectively improved, the working power of a motor can be reduced and stabilized, energy can be saved, consumption can be reduced, and the overall service life of a unit can be prolonged.
Description
Technical field
The utility model relates to a kind of flexible friction reverse wheel mechanism, specifically, refers to the friction reverse wheel of a kind of cushioning effect.
Background technology
Friction commutation oil pumper is because its mechanical efficiency is high and to the advantages such as adaptability of the abominable working environment in field, be used widely in recent years, but because the frequent commutation of switched reluctance machines, elevation and subsidence mechanical is at the very big acceleration of commutation moment generation, bigger load in addition, very big dynamic moment of inertia and the impact of internal system moment generation makes that the power demand fluctuating range of system is big, and power source is operated under the labile state always.This will have a strong impact on mechanical efficiency and the application life of friction commutation oil pumper.
The effect that reduces shock loading can not be played by traditional solid metal material reverse wheel mechanism.So far do not have as yet by in the friction reverse wheel, adding the method for mechanical damping element, reach when guaranteeing friction commutation oil pumper operating efficiency, alleviate load impacting, improve mechanical efficiency, prolong system's purpose in application life.
Summary of the invention
Goal of the invention
The purpose of this utility model is to provide the flexible friction reverse wheel of a kind of cushioning effect, when the commutation of friction commutation oil pumper, reach when guaranteeing system works efficient, the reducing speed sudden change, reduce motor the moment staring torque, alleviate impact, reduction and stable motor operating power, energy-saving and cost-reducing, prolong system's effect in application life.
Technical scheme
A kind of flexible friction reverse wheel, mainly formed by interior wheel body, spring, main shaft and outer wheel body, it is characterized in that: interior wheel external surface presents equidistantly evenly distribution evagination secter pat shape, interior wheel body inner surface and main shaft are fixedly connected, outer wheel body inner surface presents equidistantly the evenly secter pat shape of distribution evagination, the outside of wheel body in outer wheel body is installed in, outstanding secter pat intersects successively and is fixed in the gap of the outstanding secter pat on the outer wheel body on the interior wheel body, and adjacent interior wheel body partly is connected by both ends of the spring with secter pat on the outer wheel body; Load between interior wheel body and the outer wheel body and forms of motion are by the spring transmission.
Main shaft, interior wheel body and outer wheel body are coaxial mounted.
Secter pat outstanding on interior wheel body and its external surface is one, and secter pat outstanding on outer wheel body and its inner surface is one.
Outstanding secter pat on the outer wheel body and the outstanding secter pat on the interior wheel body are staggered, and the outstanding secter pat on the interior wheel body is identical with outstanding secter pat number on the outer wheel body, namely secter pat interior wheel body or outside wheel body be evenly and be in distributing.
Gapped between the secter pat side of giving prominence on the secter pat side of giving prominence on the interior wheel external surface and the adjacent outer wheel body inner surface, this gap equal and opposite in direction.
Clearance distance and spring length on outstanding secter pat on the outer wheel body of phase adjacent band secter pat and the interior wheel body between the outstanding secter pat are suitable, and spring is placed on reverse wheel radial end face center, lays one or more springs between same spacing.
In on the wheel external surface maximum outside diameter surface and the outer wheel body inner surface of secter pat between the surface of outstanding secter pat distance is arranged, the surperficial and interior wheel external surface of the minimum outer diameter of outstanding secter pat is given prominence between the surface of secter pat on the outer wheel body inner surface distance.
Advantage and effect
Flexible friction reverse wheel described in the utility model adopts the structure of innovation, and this structure has the following advantages:
(1) reducing speed sudden change.The friction reverse wheel is by adding the helical spring buffer element, when switched reluctance motor moment rotating conversion, play cushioning effect by the spring assembly energy stored, make the friction reverse wheel when guaranteeing system works efficient, prolonged the velocity transformation time, i.e. reducing speed sudden change.
(2) reduce motor moment staring torque.Add the helical spring buffer element, slowed down velocity jump, the corresponding angular acceleration that reduces the friction reverse wheel.Staring torque increment during known the commutation is the product of dynamic moment of inertia and angular acceleration, and angular acceleration reduces, and has just reduced the instantaneous starting moment of motor.
(3) alleviate impact, improve the mechanical efficiency of whole system.After adding helical spring element, system is when the forward and backward conversion, dynamic moment of inertia reduces, and starts instantaneous rotating torque and reduces, and has namely reached the effect that has alleviated the impact of each component of machine of work system (as the pinwheel bearing on the reducer shaft, wire rope etc.).
(4) prolong system application life.The system dynamic source is operated under the labile state always, influence motor application life, after adding the helical spring buffer element, the duty of motor will obviously be improved, motor moment staring torque reduces simultaneously, the suffered impact fluctuating range of oil pumper frame for movement is reduced, then prolonged the application life of system.
(5) effectively reduce the power demand of motor, have energy conservation and consumption reduction effects.For friction commutation oil pumper, total heat waste is the function of electric current and power waves momentum, and this undulate quantity proportionate relationship certain with being varied to of net torque.After adding the helical spring buffer element, change in torque is much even relatively, and power of motor is directly proportional with moment, and then required motor power reduces, and this heat-energy losses that just means it is less, and efficient is higher, and energy consumption reduces.
(6) simple in structure.Utilize the deformation energy of spring, when spring is under pressure, convert part energy to its deformation energy by its distortion, it is simple in structure, and is safe and reliable.
Description of drawings
Fig. 1 is the utility model overall structure sectional view;
Fig. 2 is the whole primary structure motion of the utility model schematic diagram.
Description of reference numerals:
1. interior wheel body; 2. spring; 2-1. the spring that the left side is connected with outstanding secter pat on the interior wheel external surface; 2-2. the spring that the left side is connected with outstanding secter pat on the outer wheel body inner surface; 3. main shaft; 4. outer wheel body.
The specific embodiment:
Below in conjunction with accompanying drawing the utility model is described further:
The utility model is a kind of flexible friction reverse wheel, by add the method for this mechanical damping element of helical spring in the friction reverse wheel, stores energy in the helical spring, to accomplish the end in view.As shown in fig. 1, this flexible friction reverse wheel is mainly by interior wheel body 1, spring 2, main shaft 3, outer wheel body 4 is formed, it is characterized in that: interior wheel body 1 external surface presents equidistantly evenly distribution evagination secter pat shape, interior wheel body 1 inner surface and main shaft 3 are fixedly connected, outer wheel body 4 inner surfaces present equidistantly the evenly secter pat shape of distribution evagination, the outside of wheel body 1 in outer wheel body 4 is installed in, outstanding secter pat intersects successively and is fixed in the gap of the outstanding secter pat on the outer wheel body 4 on the interior wheel body 1, and adjacent interior wheel body 1 partly is connected by spring 2 two ends with secter pat on the outer wheel body 4; Load between interior wheel body 1 and the outer wheel body 4 and forms of motion transmit by spring 2.
Secter pat outstanding on interior wheel body 1 and its external surface is one, and secter pat outstanding on outer wheel body 4 and its inner surface is one.
Outstanding secter pat on the outer wheel body 4 and the outstanding secter pat on the interior wheel body 1 are staggered, outstanding secter pat on the interior wheel body 1 is identical with outstanding secter pat number on the outer wheel body 4, namely secter pat interior wheel body 1 or outside wheel body 4 be evenly and be in distributing.
Gapped between the secter pat side of giving prominence on the secter pat side of giving prominence on interior wheel body 1 external surface and adjacent outer wheel body 4 inner surfaces, this gap equal and opposite in direction.
Distance on outstanding secter pat on the outer wheel body 4 of phase adjacent band secter pat and the interior wheel body 1 between the outstanding secter pat is suitable with spring 2 length, spring 2 is placed on reverse wheel radial end face center, can lay one or more springs 2 according to operating mode and load needs between same spacing.
The maximum outside diameter of secter pat surface and outer wheel body 4 inner surfaces have distance between the surface of outstanding secter pat on interior wheel body 1 external surface, and surperficial and interior wheel body 1 external surface of the minimum outer diameter of outstanding secter pat is given prominence between the surface of secter pat on outer wheel body 4 inner surfaces distance.
The flexible friction reverse wheel when work outer wheel body 4 external surfaces connect the suspension cable of sucker rod and ballast box, interior wheel body 1 inner surface connects main shaft 3, interior wheel body 1 is surperficial contactless with outer wheel body 4, both active forces are all by spring 2 transmission.
The control method of flexible friction reverse wheel is by add this mechanical damping element of helical spring in the friction reverse wheel, when the commutation of friction commutation oil pumper, utilize spring that energy is stored, reach when guaranteeing system works efficient, reducing speed suddenlys change, alleviates purposes such as impact.
As shown in Figure 2, on the interior wheel body 1 on outstanding secter pat and the outer wheel body 4 outstanding secter pat give prominence to the spring 2-2 connection secter pat part between the two that secter pat is connected by on the spring 2-1 that gives prominence to secter pat on left side and the interior wheel external surface and be connected and left side and the outer wheel body inner surface.Analyze the course of work of flexible friction reverse wheel below in conjunction with Fig. 1 and Fig. 2.
The course of work of the utility model flexible friction reverse wheel: during the real work of friction commutation oil pumper, motor drives the flexible friction reverse wheel through reducer, is pumping of sucker rod with the rotational motion formal transformation.As shown in fig. 1, main shaft 3 can connect the switch electric reluctance motor of instantaneous reverse and energy operate as normal, Motor Drive main shaft 3 rotates, suppose to be the clockwise direction rotation before the switched reluctance machines commutation, after the switched reluctance machines commutation, flexible friction reverse wheel instantaneous velocity direction still is clockwise direction, and switched reluctance machines drive main shaft gyration direction has become counterclockwise.Traditional solid metal material reverse wheel drives through main shaft, and instantaneous velocity will become the speed opposite with velocity magnitude equal direction before the motor commutation moment, and elapsed-time standards is short, velocity jump, and it is very big to produce shock loading.The utility model flexible friction reverse wheel, add the helical spring reversing arrangement, as shown in Figure 2, before commutation, interior wheel body 1 and outer wheel body 4 all are clockwise motions, secter pat outstanding on the external wheel body inner surface of giving prominence on interior wheel body 1 external surface of secter pat has squeezing action, and 2-1 is compressed for the corresponding diagram medi-spring, and the spring 2-2 that is adjacent is subjected to stretching action; Commutation back main shaft gyration direction moment becomes counterclockwise, 1 gyratory directions moment of wheel body becomes counterclockwise in driving, outer wheel body 4 gyratory directions still are clockwise direction, secter pat on the outer wheel body 4 outstanding internal wheel bodys 1 of secter pat has the movement tendency of extruding, former compressed spring 2-1 is subjected to stretching action, and the spring 2-2 that is adjacent acts on by compression.Because the spring element energy stored plays cushioning effect, has prolonged the velocity transformation time, has slowed down the velocity jump of foreign steamer, the load impacting that system is subjected to obviously reduces.
The utility model flexible friction reverse wheel stores energy by helical spring, when the commutation of friction commutation oil pumper, when guaranteeing system works efficient, reducing speed suddenlys change, and reduces the instantaneous starting moment of motor, the impact of mitigation system inside, improve the mechanical efficiency of whole system simultaneously, the operating power of reduction and stable motor, energy-saving and cost-reducing, prolong the application life of system.
Claims (7)
1. flexible friction reverse wheel, mainly by interior wheel body (1), spring (2), main shaft (3) and outer wheel body (4) are formed, it is characterized in that: interior wheel body (1) external surface presents equidistantly evenly distribution evagination secter pat shape, interior wheel body (1) inner surface and main shaft (3) are fixedly connected, outer wheel body (4) inner surface presents equidistantly the evenly secter pat shape of distribution evagination, outer wheel body (4) is installed in the outside of interior wheel body (1), interior wheel body (1) is gone up outstanding secter pat and is intersected successively and be fixed in the gap of the outstanding secter pat on the outer wheel body (4), and adjacent interior wheel body (1) partly is connected by spring (2) two ends with secter pat on the outer wheel body (4); Load between interior wheel body (1) and the outer wheel body (4) and forms of motion transmit by spring (2).
2. flexible friction reverse wheel according to claim 1, it is characterized in that: main shaft (3), interior wheel body (1) and outer wheel body (4) are coaxial mounted.
3. flexible friction reverse wheel according to claim 1 is characterized in that: secter pat outstanding on interior wheel body (1) and its external surface is one, and secter pat outstanding on outer wheel body (4) and its inner surface is one.
4. flexible friction reverse wheel according to claim 1, it is characterized in that: the outstanding secter pat on the outstanding secter pat on the outer wheel body (4) and the interior wheel body (1) is staggered, outstanding secter pat on the interior wheel body (1) is identical with outstanding secter pat number on the outer wheel body (4), namely secter pat interior wheel body (1) or outside wheel body (4) be evenly and be in distributing.
5. flexible friction reverse wheel according to claim 1 is characterized in that: gapped between the secter pat side of giving prominence on outstanding secter pat side and adjacent outer wheel body (4) inner surface on interior wheel body (1) external surface, and this gap equal and opposite in direction.
6. flexible friction reverse wheel according to claim 1, it is characterized in that: clearance distance and spring (2) length that the outstanding secter pat on the outer wheel body (4) of phase adjacent band secter pat and interior wheel body (1) are gone up between the outstanding secter pat are suitable, spring (2) is placed on reverse wheel radial end face center, lays one or more springs (2) between same spacing.
7. flexible friction reverse wheel according to claim 1, it is characterized in that: the maximum outside diameter of secter pat surface and outer wheel body (4) inner surface have distance between the surface of outstanding secter pat on interior wheel body (1) external surface, and surperficial and interior wheel body (1) external surface of the minimum outer diameter of outstanding secter pat is given prominence between the surface of secter pat on outer wheel body (4) inner surface distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320200183 CN203175501U (en) | 2013-04-19 | 2013-04-19 | Flexible friction reverse wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320200183 CN203175501U (en) | 2013-04-19 | 2013-04-19 | Flexible friction reverse wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203175501U true CN203175501U (en) | 2013-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320200183 Expired - Fee Related CN203175501U (en) | 2013-04-19 | 2013-04-19 | Flexible friction reverse wheel |
Country Status (1)
| Country | Link |
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| CN (1) | CN203175501U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103206482A (en) * | 2013-04-19 | 2013-07-17 | 沈阳工业大学 | Flexible friction reverse wheel |
| CN109764089A (en) * | 2019-03-12 | 2019-05-17 | 游晓东 | A kind of buffering wheel |
-
2013
- 2013-04-19 CN CN 201320200183 patent/CN203175501U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103206482A (en) * | 2013-04-19 | 2013-07-17 | 沈阳工业大学 | Flexible friction reverse wheel |
| CN109764089A (en) * | 2019-03-12 | 2019-05-17 | 游晓东 | A kind of buffering wheel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130904 Termination date: 20140419 |