CN117803688B - Belt transmission system with active tension control function - Google Patents
Belt transmission system with active tension control function Download PDFInfo
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- CN117803688B CN117803688B CN202410224342.5A CN202410224342A CN117803688B CN 117803688 B CN117803688 B CN 117803688B CN 202410224342 A CN202410224342 A CN 202410224342A CN 117803688 B CN117803688 B CN 117803688B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 25
- 238000012544 monitoring process Methods 0.000 claims abstract description 22
- 239000003638 chemical reducing agent Substances 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 239000000523 sample Substances 0.000 claims description 6
- 230000009471 action Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H7/10—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley
- F16H7/14—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of a driving or driven pulley
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H35/00—Gearings or mechanisms with other special functional features
- F16H35/10—Arrangements or devices for absorbing overload or preventing damage by overload
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
- F16H57/0415—Air cooling or ventilation; Heat exchangers; Thermal insulations
- F16H57/0416—Air cooling or ventilation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H2007/0802—Actuators for final output members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H2007/0842—Mounting or support of tensioner
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H2007/0861—Means for varying tension of belts, ropes, or chains comprising means for sensing tensioner position
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H2007/0863—Finally actuated members, e.g. constructional details thereof
- F16H2007/0865—Pulleys
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H2007/0876—Control or adjustment of actuators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H2007/0876—Control or adjustment of actuators
- F16H2007/0887—Control or adjustment of actuators the tension being a function of load
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H2007/0889—Path of movement of the finally actuated member
- F16H2007/0891—Linear path
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/01—Monitoring wear or stress of gearing elements, e.g. for triggering maintenance
- F16H2057/014—Monitoring wear or stress of gearing elements, e.g. for triggering maintenance of friction elements in transmissions
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The invention discloses a belt transmission system with active control of tensioning force, which comprises an upper belt pulley, a lower belt pulley, a tensioning actuator assembly and a closed-loop control module, wherein the upper belt pulley and the lower belt pulley are connected through a belt, and the tensioning actuator assembly is used for adjusting the center distance between the upper belt pulley and the lower belt pulley; the closed-loop control module is used for monitoring the tensioning condition of the belt and controlling the working and stopping of the tensioning actuator assembly. The center distance between the upper belt pulley and the lower belt pulley and the tension on the belt are monitored in real time through the closed-loop control module, and the tension on the belt is adjusted by the tension actuator assembly in real time according to the monitoring result, so that closed-loop control adjustment of the tension can be realized, and the adjustment precision is effectively improved; meanwhile, the system has simple structure, has no tensioning wheel and other structures, is more convenient and quick to install and use, and can not influence the normal action of the belt.
Description
Technical Field
The invention relates to the technical field of belt transmission of power transmission systems, in particular to a belt transmission system with active tension control.
Background
The tensioning function of the belt transmission system is to maintain tension of the belt section, avoid slipping of the belt and ensure that the engine can smoothly transmit power to the driven wheel. The conventional manual tensioner cannot automatically compensate for the variation of the belt length, and the position adjustment of the tensioner is required to be periodically performed to maintain the tension of the belt, so that the manual tensioner is inconvenient to use. So as the tensioner develops, the manual tensioner is gradually replaced by an automatic tensioner. The existing automatic tensioning device mainly comprises an energy storage element and a damping element, the energy storage element can continuously tension a belt, the damping element can attenuate vibration of the belt to improve stability of an accessory system, and although tensioning force adjustment can be completed, tensioning force cannot be monitored in real time, so that adjustment of a Zheng manager cannot be actively controlled, and the requirement of a belt transmission system on tensioning force cannot be well met due to low tensioning force adjustment progress; meanwhile, the traditional tensioning device comprises a plurality of complex structures such as a shell, a tensioning arm and a tensioning wheel, and the normal action of the belt can be influenced by the mode of changing the tension of the belt by utilizing the tensioning wheel, so that the transmission capacity of the system is influenced.
Disclosure of Invention
The invention aims to provide a belt transmission system with active tension control, which simplifies the structure, reduces the influence of the structure on the normal transmission effect of a belt, and can realize closed-loop control adjustment of the tension of the belt, thereby realizing active control of tension adjustment and further effectively improving the precision of tension adjustment.
The invention is realized by the following technical scheme:
the belt transmission system with the active tension control comprises an upper belt pulley, a lower belt pulley, a tension actuator assembly and a closed-loop control module, wherein the upper belt pulley is connected with the lower belt pulley through a belt, and the tension actuator assembly is used for adjusting the center distance between the upper belt pulley and the lower belt pulley; the closed-loop control module is used for monitoring the tensioning condition of the belt and controlling the working and stopping of the tensioning actuator assembly. In order to solve the technical problems and realize the corresponding technical effects, the center distance between the upper belt pulley and the lower belt pulley and the tension on the belt are monitored in real time through the closed-loop control module, and the tension actuator assembly is controlled to adjust the tension on the belt in real time according to the monitoring result, so that the closed-loop control adjustment of the tension can be realized, and the adjustment precision is effectively improved; meanwhile, the system has simple structure, has no tensioning wheel and other structures, is more convenient and quick to install and use, and can not influence the normal action of the belt.
The technical scheme is as follows:
The tensioning actuator assembly comprises an actuator, an upper bearing seat, an intermediate driving assembly and a lower bearing seat, wherein the output end of the actuator is connected with the intermediate driving assembly and used for driving the intermediate driving assembly, one end of the intermediate driving assembly is connected with the upper bearing seat, and the other end of the intermediate driving assembly is connected with the lower bearing seat;
further: the upper bearing seat is arranged on an input shaft of the external main speed reducer, and the lower bearing seat is arranged on the lower belt wheel.
Further: the middle driving assembly comprises a connector, a screw rod and a screw rod nut connecting piece, one end of the screw rod is inserted into the connector and connected with the output end of the actuator, the other end of the screw rod extends towards the lower bearing seat, and the screw rod nut connecting piece is matched with the screw rod.
Further: the connector is fixedly connected with the upper bearing seat, and the lead screw nut connecting piece is fixedly connected with the lower bearing seat.
Further: the connector comprises an actuator connecting part and an upper base connecting part, and the upper base connecting part is fixedly connected with the upper bearing seat;
Further: the output end of the actuator is provided with a gear a, the screw rod is provided with a gear b, and the gear a and the gear b are meshed and arranged in the connecting part of the actuator.
Further: the screw nut connecting piece comprises a screw nut part and a lower base connecting part, wherein the lower base connecting part is fixedly connected with the lower bearing seat, and a nut arranged in the screw nut part is matched with the screw rod.
Further: the closed-loop control module comprises a tension sensor, a position sensor and an external controller; the tension sensor is used for monitoring the tension of the belt and transmitting monitoring information to an external controller;
Further: the position sensor monitors the center distance between the upper belt pulley and the lower belt pulley and transmits monitoring information to the external controller;
further: the external controller is configured to process the received monitoring information and control the tensioning actuator assembly.
Further: the sensor probe and the sensing piece of the position sensor are respectively arranged on the connector and the screw nut connecting piece, and laser emitted by the sensor probe is vertically irradiated on the sensing piece;
Further: the tension sensor is arranged on the shell of the bearing in the lower bearing seat.
Further: the upper bearing support comprises an upper bearing support body, wherein the upper bearing support body comprises a middle connecting piece and a supporting rod, the middle connecting piece is fixed on the top of the upper bearing support body, two ends of the middle connecting piece are hinged with the supporting rod, and the other end of the supporting rod is hinged with an external structure frame.
Further: one side of the lower belt wheel is provided with a short shaft, and the lower bearing seat is matched with the short shaft;
Further: a plurality of mounting holes are formed in the other side of the lower belt wheel and are used for being connected with an output shaft of the external engine;
further: and the lower belt wheel is also provided with a coaxially rotating cooling fan.
Further: the inner hole of the overrunning clutch is connected with the input shaft of the external main speed reducer.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. According to the belt transmission system with the active tension control, the center distance between the upper belt pulley and the lower belt pulley and the tension on the belt are monitored in real time through the closed-loop control module, and the tension actuator assembly is controlled to adjust the tension on the belt in real time according to the monitoring result, so that closed-loop control adjustment of the tension can be realized, and the adjustment precision is effectively improved; meanwhile, the system has simple structure, has no tensioning wheel and other structures, is more convenient and quick to install and use, and can not influence the normal action of the belt.
2. According to the belt transmission system with the active tension control, the overrunning clutch can be arranged to rapidly and effectively separate the driven wheel from the output shaft, so that the output end can rotate automatically when an engine fault occurs, and damage to a system structure is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings that are needed in the examples will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope, and that other related drawings may be obtained from these drawings without inventive effort for a person skilled in the art. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a tensioning actuator assembly;
FIG. 3 is a schematic diagram of an intermediate drive assembly;
FIG. 4 is a schematic view of a connector structure;
FIG. 5 is a cross-sectional view of a connector structure;
FIG. 6 is a schematic view of a lead screw nut connector;
FIG. 7 is a schematic view of an upper pulley configuration;
FIG. 8 is a schematic view of a lower pulley structure;
FIG. 9 is a schematic view of the structure of the upper bearing support;
Fig. 10 is a schematic diagram of a closed loop control module.
In the drawings, the reference numerals and corresponding part names:
The device comprises a 1-upper belt pulley, a 2-lower belt pulley, a 3-tensioning actuator component, a 4-closed loop control module, a 5-belt, a 6-upper bearing seat support frame, a 7-short shaft, an 8-cooling fan, a 9-overrunning clutch, a 21-mounting hole, a 31-actuator, a 32-upper bearing seat, a 33-intermediate driving component, a 34-lower bearing seat, a 41-tensioning force sensor, a 42-position sensor, a 43-external controller, a 61-intermediate connecting piece, a 62-supporting rod, a 311-gear a, a 331-connector, a 332-screw rod, a 333-screw nut connecting piece, a 334-gear b, a 3311-actuator connecting piece, a 3312-upper base connecting piece, a 3331-screw nut piece and a 3332-lower base connecting piece.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present invention and the descriptions thereof are for illustrating the present invention only and are not to be construed as limiting the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: no such specific details are necessary to practice the invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail in order not to obscure the invention.
Throughout the specification, references to "one embodiment," "an embodiment," "one example," or "an example" mean: a particular feature, structure, or characteristic described in connection with the embodiment or example is included within at least one embodiment of the invention. Thus, the appearances of the phrases "in one embodiment," "in an example," or "in an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Moreover, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and that the illustrations are not necessarily drawn to scale. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
In the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention.
As shown in fig. 1, the belt transmission system with active tension control comprises an upper belt pulley 1, a lower belt pulley 2, a tension actuator assembly 3 and a closed loop control module 4, wherein the upper belt pulley 1 and the lower belt pulley 2 are connected through a belt 5, and the tension actuator assembly 3 is used for adjusting the center distance between the upper belt pulley 1 and the lower belt pulley 2; the closed loop control module 4 is used for monitoring the tensioning condition of the belt 5 and controlling the operation and the stop of the tensioning actuator assembly 3. In the embodiment, an upper belt pulley 1 and a lower belt pulley 2 in the belt transmission system are respectively connected with an external main speed reducer input shaft and an engine power output shaft and are transmitted through a belt 5; the device is applicable to a structure form with an adjustable engine power output shaft position, so that the lower belt pulley 2 is driven by the tensioning actuator assembly 3 to be far away from or close to the upper belt pulley 1, and the tensioning force adjusting effect of the belt 5 is achieved. Simultaneously, the center distance between the upper belt pulley 1 and the lower belt pulley 2 and the tension of the belt 5 are monitored in real time through the closed-loop control module 4, and the tension actuator assembly 3 is controlled to adjust the tension on the belt 5 in real time according to the monitoring result, so that closed-loop control adjustment of the tension can be realized, and the adjustment precision is effectively improved; meanwhile, the system has simple structure, has no tensioning wheel and other structures, is more convenient and quick to install and use, and can not influence the normal action of the belt.
As shown in fig. 2, the tensioning actuator assembly 3 includes an actuator 31, an upper bearing block 32, an intermediate driving assembly 33 and a lower bearing block 34, wherein an output end of the actuator 31 is connected to the intermediate driving assembly 33 and is used for driving the intermediate driving assembly 33, one end of the intermediate driving assembly 33 is connected to the upper bearing block 32, and the other end is connected to the lower bearing block 34; the upper bearing housing 32 is mounted on the input shaft of the external final drive, and the lower bearing housing 34 is mounted on the lower pulley 2. In this embodiment, the upper bearing seat 32 is connected with the input shaft of the external main reducer, so that one end of the intermediate driving assembly 33 connected with the upper bearing seat 32 is used as a fixed end, and one end connected with the lower bearing seat 34 is used as a moving end, so that the intermediate driving assembly 33 is driven by the actuator 31 to move up and down the lower belt pulley 2, and further the tensioning force adjustment effect of the belt 5 is achieved.
As shown in fig. 3 to 6, more specifically, the intermediate driving assembly 33 includes a connector 331, a screw rod 332, and a screw nut connector 333, one end of the screw rod 332 is inserted into the connector 331 and connected to the output end of the actuator 31, the other end of the screw rod 332 extends toward the lower bearing seat 34, and the screw nut connector 333 is engaged with the screw rod 332. The connector 331 is fixedly connected with the upper bearing seat 32, and the screw nut connector 333 is fixedly connected with the lower bearing seat 34. In this embodiment, the intermediate driving assembly 33 is preferably a screw-nut mechanism as an intermediate transmission mechanism, so that the rotation motion of the actuator 31 can be effectively converted into the up-down motion of the screw-nut mechanism, thereby realizing the up-down motion of the lower pulley 2 and further realizing the effect of adjusting the tension of the belt 5. Further, the connector 331 includes an actuator connection portion 3311 and an upper base connection portion 3312, and the upper base connection portion 3312 is fixedly connected to the upper bearing housing 32; the output end of the actuator 31 is provided with a gear a311, the screw 332 is provided with a gear b334, and the gear a311 and the gear b334 are meshed and arranged in the actuator connecting part 3311. In this embodiment, the upper base connecting portion 3312 includes two connecting plates, the connecting plates are fixedly connected with the upper bearing housing 32 by bolts, the actuator connecting portion 3311 is fixed between the two connecting plates, and the gear a311 on the actuator 31 and the gear b334 on the screw rod 332 are disposed in the actuator connecting portion 3311, so as to avoid damage to the gear engagement portion due to exposure. The screw nut connector 333 includes a screw nut portion 3331 and a lower base connecting portion 3332, the lower base connecting portion 3332 is fixedly connected with the lower bearing seat 34, and a nut disposed in the screw nut portion 3331 is matched with the screw 332. In this embodiment, the lower base connecting portion 3332 is formed by two connecting plates, and the connecting plates and the lower base connecting portion 3332 are fixedly connected by bolts, the screw nut portion 3331 is also fixed between the two connecting plates, and a screw nut is disposed in the screw nut portion 3331, and the screw nut and the screw 332 cooperate to realize transmission, so as to realize the up-and-down movement effect of the lower belt pulley 2, and further effectively complete the adjustment of the tension of the belt 5.
As shown in fig. 10, the closed loop control module 4 includes a tension sensor 41, a position sensor 42, and an external controller 43; the tension sensor 41 is used for monitoring the tension of the belt 5 and transmitting monitoring information to the external controller 43; the position sensor 42 monitors the center distance between the upper pulley 1 and the lower pulley 2 and transmits the monitoring information to the external controller 43; the external controller 43 is used to process the received monitoring information and control the tension actuator assembly 3. In this embodiment, the tension of the belt 5 and the center distance between the upper belt pulley 1 and the lower belt pulley 2 are monitored in real time respectively by the tension sensor 41 and the position sensor 42, the monitored monitoring information is fed back to the external controller 43, the monitoring information is processed and analyzed by the external controller 43, and compared with the belt tension and the center distance between the upper belt pulley and the lower belt pulley in a normal working state, and then the tension actuator assembly 3 is controlled to realize the adjustment of the tension on the belt; the system can effectively realize active adjustment control of the center distance between the upper belt wheel and the lower belt wheel and the tension, and further improve the precision of tension adjustment. Specifically, the sensor probe and the sensing piece of the position sensor 42 are respectively disposed on the connector 331 and the screw nut connector 333, and the laser emitted by the sensor probe is perpendicularly irradiated on the sensing piece; the tension sensor 41 is provided with a housing for the bearing in the lower bearing housing 34.
In this embodiment, in order to improve structural stability, an upper bearing support frame 6 is further provided, as shown in fig. 9, where the upper bearing support frame 6 includes a middle connecting piece 61 and a support rod 62, the middle connecting piece 61 is fixed on the top of the upper bearing support 32, two ends of the middle connecting piece 61 are hinged with a support rod 62, and the other end of the support rod 62 is hinged with an external structural frame. The upper bearing seat support frame 6 can effectively realize connection between a belt transmission system and an external mechanical structure, so that the overall stability of the structure can be effectively improved, and the shaking or tilting condition in the use process is avoided; meanwhile, a sliding rail is arranged on the lower base connecting part 3332 and is matched with a sliding block arranged on an external mechanical structure, so that the upper belt wheel and the lower belt wheel are always positioned on the same plane and are not offset.
In this embodiment, as shown in fig. 8, the specific installation connection structure at the lower pulley 2 is as follows, one side of the lower pulley 2 is provided with a short shaft 7, and the lower bearing seat 34 is matched with the short shaft 7; a plurality of mounting holes 21 are formed in the other side of the lower belt wheel 2, and the mounting holes 21 are used for connecting with an output shaft of the external engine; the lower belt pulley 2 is also provided with a coaxially rotating cooling fan 8. The cooling fan 8 can rotate synchronously with the lower belt pulley 2, so that the cooling function of the whole system can be realized.
As shown in fig. 7, an overrunning clutch 9 is arranged inside the upper belt pulley 1, a shell of the overrunning clutch 9 is connected with the inner wall of the upper belt pulley 1, and an inner hole of the overrunning clutch 9 is connected with an input shaft of an external main reducer. In this embodiment, the setting of the overrunning clutch 9 can separate the driven wheel and the output shaft quickly and effectively, so that when the engine fails, the output end can rotate automatically, and damage to the system structure is avoided.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (9)
1. The belt transmission system with the active tension control is characterized by comprising an upper belt pulley (1), a lower belt pulley (2), a tension actuator assembly (3) and a closed loop control module (4), wherein the upper belt pulley (1) and the lower belt pulley (2) are connected through a belt (5), and the tension actuator assembly (3) is used for adjusting the center distance between the upper belt pulley (1) and the lower belt pulley (2);
The closed-loop control module (4) is used for monitoring the tensioning condition of the belt (5) and controlling the working and stopping of the tensioning actuator assembly (3);
The closed-loop control module (4) comprises a tension sensor (41), a position sensor (42) and an external controller (43);
The tension sensor (41) is used for monitoring the tension of the belt (5) and transmitting monitoring information to the external controller (43);
the position sensor (42) monitors the center distance between the upper belt pulley (1) and the lower belt pulley (2) and transmits monitoring information to the external controller (43);
the external controller (43) is used for processing the received monitoring information and controlling the tensioning actuator assembly (3).
2. A belt drive system with active tension control according to claim 1, characterized in that the tensioning actuator assembly (3) comprises an actuator (31), an upper bearing block (32), an intermediate drive assembly (33) and a lower bearing block (34), the output end of the actuator (31) being connected to the intermediate drive assembly (33) and being used for driving the intermediate drive assembly (33), one end of the intermediate drive assembly (33) being connected to the upper bearing block (32) and the other end being connected to the lower bearing block (34);
The upper bearing seat (32) is arranged on an input shaft of the external main speed reducer, and the lower bearing seat (34) is arranged on the lower belt wheel (2).
3. A belt transmission system with active tension control according to claim 2, characterized in that the intermediate drive assembly (33) comprises a connector (331), a screw (332) and a screw nut connection (333), one end of the screw (332) being inserted into the connector (331) and connected to the output of the actuator (31), the other end of the screw (332) extending towards the lower bearing housing (34), and the screw nut connection (333) being fitted to the screw (332);
The connector (331) is fixedly connected with the upper bearing seat (32), and the screw nut connecting piece (333) is fixedly connected with the lower bearing seat (34).
4. A belt drive system with active tension control as in claim 3, wherein the connector (331) comprises an actuator connection (3311) and an upper base connection (3312), the upper base connection (3312) being fixedly connected to the upper bearing housing (32);
The output end of the actuator (31) is provided with a gear a (311), the screw rod (332) is provided with a gear b (334), and the gear a (311) is meshed with the gear b (334) and is arranged in the actuator connecting part (3311).
5. A belt transmission system with active tension control according to claim 3, characterized in that the screw nut connection (333) comprises a screw nut part (3331) and a lower base connection part (3332), the lower base connection part (3332) is fixedly connected with the lower bearing seat (34), and a nut arranged in the screw nut part (3331) is matched with the screw (332).
6. A belt drive system with active tension control according to claim 3, characterized in that the sensor probe and the sensor plate of the position sensor (42) are respectively arranged on the connector (331) and the screw nut connector (333), and the laser emitted by the sensor probe is perpendicularly irradiated on the sensor plate;
the tension sensor (41) is arranged on the outer shell of the bearing in the lower bearing seat (34).
7. The belt transmission system with active tension control according to claim 2, further comprising an upper bearing support frame (6), wherein the upper bearing support frame (6) comprises a middle connecting piece (61) and a support rod (62), the middle connecting piece (61) is fixed on the top of the upper bearing support (32), two ends of the middle connecting piece (61) are hinged with one support rod (62), and the other end of the support rod (62) is hinged with an external structural frame.
8. Belt transmission system with active control of the tensioning force according to claim 2, characterized in that one side of the lower pulley (2) is provided with a stub shaft (7), the lower bearing block (34) being fitted with the stub shaft (7);
a plurality of mounting holes (21) are formed in the other side of the lower belt wheel (2), and the mounting holes (21) are used for being connected with an output shaft of an external engine;
and the lower belt wheel (2) is also provided with a coaxially rotating cooling fan (8).
9. Belt transmission system with active control of the tensioning force according to claim 2, characterized in that an overrunning clutch (9) is arranged inside the upper belt wheel (1), the outer shell of the overrunning clutch (9) is connected with the inner wall of the upper belt wheel (1), and the inner hole of the overrunning clutch (9) is connected with the input shaft of the external main reducer.
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Citations (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0002941D0 (en) * | 1999-02-12 | 2000-03-29 | Dbt Autom Gmbh | Process for adjusting the initial tension of belts or chains and apparatus for carrying out the process |
| JP2003220958A (en) * | 2002-01-29 | 2003-08-05 | Koyo Seiko Co Ltd | Electric power steering device |
| JP2009226411A (en) * | 2008-03-19 | 2009-10-08 | Jtekt Corp | Pre-tensioning method of power transmission chain |
| JP2010184599A (en) * | 2009-02-12 | 2010-08-26 | Jtekt Corp | Electric power steering device |
| CN101881327A (en) * | 2010-06-25 | 2010-11-10 | 袁柱石 | Belt transmission method for enabling two driven shafts to do opposite differential motion and application |
| CN102278434A (en) * | 2010-06-13 | 2011-12-14 | 北汽福田汽车股份有限公司 | Belt pulley mechanism and power-assisted steering pump assembly |
| KR20130055454A (en) * | 2011-11-18 | 2013-05-28 | 김성남 | Belt tension control system |
| CN203498543U (en) * | 2013-09-09 | 2014-03-26 | 新昌县锦马科技有限公司 | Automatic tangential belt tensioning device of textile machine |
| CN105181006A (en) * | 2015-05-04 | 2015-12-23 | 长春大学 | Tensile force measuring device for belt |
| CN107796344A (en) * | 2016-09-07 | 2018-03-13 | 比亚迪股份有限公司 | Steering gear test device and method of testing |
| JP6617259B1 (en) * | 2018-12-21 | 2019-12-11 | 株式会社プロドローン | Unmanned aerial vehicle |
| CN211140966U (en) * | 2019-11-26 | 2020-07-31 | 东莞市云帆印刷有限公司 | Deviation correcting device for adjusting paper conveying direction on printing machine |
| CN111591462A (en) * | 2020-07-27 | 2020-08-28 | 中国空气动力研究与发展中心低速空气动力研究所 | Helicopter tail rotor simulation system for wind tunnel test |
| CN212106816U (en) * | 2020-04-03 | 2020-12-08 | 江苏常发农业装备股份有限公司 | Belt tensioning device, belt transmission device and engine |
| CN113389864A (en) * | 2021-05-12 | 2021-09-14 | 中国空气动力研究与发展中心低速空气动力研究所 | Composite propulsion helicopter transmission system |
| CN214331382U (en) * | 2021-01-11 | 2021-10-01 | 青岛科技大学 | Chain tensioning device with adjustable can monitor |
| CN113942655A (en) * | 2021-10-09 | 2022-01-18 | 中国直升机设计研究所 | Light-duty helicopter piston sender transmission system |
| CN114110107A (en) * | 2021-11-19 | 2022-03-01 | 中国直升机设计研究所 | Transmission system of unmanned helicopter with front engine |
| CN114776774A (en) * | 2022-05-25 | 2022-07-22 | 深圳市家信信息科技开发有限公司 | A automatically controlled formula belt tightener for vehicle |
| CN115681435A (en) * | 2022-11-18 | 2023-02-03 | 中国直升机设计研究所 | Light helicopter transmission device driven by synchronous belt |
| CN218806635U (en) * | 2022-09-06 | 2023-04-07 | 尹喜连 | Tilt coaxial four-rotor unmanned aerial vehicle |
| CN116039985A (en) * | 2022-12-29 | 2023-05-02 | 彩虹无人机科技有限公司 | High-compactness single-shot unmanned tilt gyroplane transmission system and unmanned aerial vehicle |
| CN116624567A (en) * | 2023-07-17 | 2023-08-22 | 中科隆泰(黑龙江)能源科技发展有限公司 | Intelligent belt tensioning device and adjusting method thereof |
| CN116923753A (en) * | 2023-09-13 | 2023-10-24 | 四川腾盾科技有限公司 | Unmanned helicopter transmission system and use method |
| CN220185728U (en) * | 2023-07-25 | 2023-12-15 | 柳州铁道职业技术学院 | Self-adaptive belt transmission tensioning device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6666784B1 (en) * | 1999-10-06 | 2003-12-23 | Ntn Corporation | Piston rod piston detector, autotensioner and belt tension adjuster |
| US6834228B2 (en) * | 2001-10-25 | 2004-12-21 | The Gates Corporation | Belt drive system with automatic belt tension control |
| KR100625072B1 (en) * | 2002-01-29 | 2006-09-19 | 가부시키가이샤 제이텍트 | Electric power steering apparatus |
| US7811189B2 (en) * | 2005-12-30 | 2010-10-12 | Tibion Corporation | Deflector assembly |
| US9303734B2 (en) * | 2013-08-09 | 2016-04-05 | Gates Corporation | Belt transmission |
| WO2016108218A1 (en) * | 2014-12-29 | 2016-07-07 | Decagon Projects Ltd | Transmission test rig comprising belt drives |
-
2024
- 2024-02-29 CN CN202410224342.5A patent/CN117803688B/en active Active
Patent Citations (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0002941D0 (en) * | 1999-02-12 | 2000-03-29 | Dbt Autom Gmbh | Process for adjusting the initial tension of belts or chains and apparatus for carrying out the process |
| JP2003220958A (en) * | 2002-01-29 | 2003-08-05 | Koyo Seiko Co Ltd | Electric power steering device |
| JP2009226411A (en) * | 2008-03-19 | 2009-10-08 | Jtekt Corp | Pre-tensioning method of power transmission chain |
| JP2010184599A (en) * | 2009-02-12 | 2010-08-26 | Jtekt Corp | Electric power steering device |
| CN102278434A (en) * | 2010-06-13 | 2011-12-14 | 北汽福田汽车股份有限公司 | Belt pulley mechanism and power-assisted steering pump assembly |
| CN101881327A (en) * | 2010-06-25 | 2010-11-10 | 袁柱石 | Belt transmission method for enabling two driven shafts to do opposite differential motion and application |
| KR20130055454A (en) * | 2011-11-18 | 2013-05-28 | 김성남 | Belt tension control system |
| CN203498543U (en) * | 2013-09-09 | 2014-03-26 | 新昌县锦马科技有限公司 | Automatic tangential belt tensioning device of textile machine |
| CN105181006A (en) * | 2015-05-04 | 2015-12-23 | 长春大学 | Tensile force measuring device for belt |
| CN107796344A (en) * | 2016-09-07 | 2018-03-13 | 比亚迪股份有限公司 | Steering gear test device and method of testing |
| JP6617259B1 (en) * | 2018-12-21 | 2019-12-11 | 株式会社プロドローン | Unmanned aerial vehicle |
| CN211140966U (en) * | 2019-11-26 | 2020-07-31 | 东莞市云帆印刷有限公司 | Deviation correcting device for adjusting paper conveying direction on printing machine |
| CN212106816U (en) * | 2020-04-03 | 2020-12-08 | 江苏常发农业装备股份有限公司 | Belt tensioning device, belt transmission device and engine |
| CN111591462A (en) * | 2020-07-27 | 2020-08-28 | 中国空气动力研究与发展中心低速空气动力研究所 | Helicopter tail rotor simulation system for wind tunnel test |
| CN214331382U (en) * | 2021-01-11 | 2021-10-01 | 青岛科技大学 | Chain tensioning device with adjustable can monitor |
| CN113389864A (en) * | 2021-05-12 | 2021-09-14 | 中国空气动力研究与发展中心低速空气动力研究所 | Composite propulsion helicopter transmission system |
| CN113942655A (en) * | 2021-10-09 | 2022-01-18 | 中国直升机设计研究所 | Light-duty helicopter piston sender transmission system |
| CN114110107A (en) * | 2021-11-19 | 2022-03-01 | 中国直升机设计研究所 | Transmission system of unmanned helicopter with front engine |
| CN114776774A (en) * | 2022-05-25 | 2022-07-22 | 深圳市家信信息科技开发有限公司 | A automatically controlled formula belt tightener for vehicle |
| CN218806635U (en) * | 2022-09-06 | 2023-04-07 | 尹喜连 | Tilt coaxial four-rotor unmanned aerial vehicle |
| CN115681435A (en) * | 2022-11-18 | 2023-02-03 | 中国直升机设计研究所 | Light helicopter transmission device driven by synchronous belt |
| CN116039985A (en) * | 2022-12-29 | 2023-05-02 | 彩虹无人机科技有限公司 | High-compactness single-shot unmanned tilt gyroplane transmission system and unmanned aerial vehicle |
| CN116624567A (en) * | 2023-07-17 | 2023-08-22 | 中科隆泰(黑龙江)能源科技发展有限公司 | Intelligent belt tensioning device and adjusting method thereof |
| CN220185728U (en) * | 2023-07-25 | 2023-12-15 | 柳州铁道职业技术学院 | Self-adaptive belt transmission tensioning device |
| CN116923753A (en) * | 2023-09-13 | 2023-10-24 | 四川腾盾科技有限公司 | Unmanned helicopter transmission system and use method |
Non-Patent Citations (3)
| Title |
|---|
| DC20传动胶带自动测长机设计;张远宏;禹永伟;李英丹;任强;;科技视界;20120325(第09期);全文 * |
| 带传动的张紧及其测定;曾宪用;四川工业学院学报;19840330(第01期);全文 * |
| 直升机传动系统和旋翼系统关键技术;陈铭;徐冠峰;张磊;;航空制造技术;20100815(第16期);全文 * |
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