CN111706647A - Steel belt transmission mechanism - Google Patents

Steel belt transmission mechanism Download PDF

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Publication number
CN111706647A
CN111706647A CN202010192692.XA CN202010192692A CN111706647A CN 111706647 A CN111706647 A CN 111706647A CN 202010192692 A CN202010192692 A CN 202010192692A CN 111706647 A CN111706647 A CN 111706647A
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CN
China
Prior art keywords
steel belt
steel
wheel
pulley
belt
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Granted
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CN202010192692.XA
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Chinese (zh)
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CN111706647B (en
Inventor
黄强
张春雷
高峻峣
高建程
余张国
孟非
范徐笑
左昱昱
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Beijing Institute of Technology BIT
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Beijing Institute of Technology BIT
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Priority to CN202010192692.XA priority Critical patent/CN111706647B/en
Priority to PCT/CN2020/092713 priority patent/WO2021184545A1/en
Publication of CN111706647A publication Critical patent/CN111706647A/en
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Publication of CN111706647B publication Critical patent/CN111706647B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H7/00Gearings for conveying rotary motion by endless flexible members
    • F16H7/02Gearings for conveying rotary motion by endless flexible members with belts; with V-belts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H55/00Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/32Friction members
    • F16H55/36Pulleys
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing

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  • 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 steel belt transmission mechanism which comprises a driving wheel, a driven wheel and a transmission steel belt, wherein the transmission steel belt is tensioned on the peripheral surfaces of the driving wheel and the driven wheel, the transmission steel belt comprises a first steel belt and a second steel belt which are fixed on the driving wheel and the driven wheel, and the first steel belt and the second steel belt are open steel belts; the driving wheel comprises a first steel belt winding area and a second steel belt winding area which are arranged in parallel in the circumferential direction; the driven wheel comprises a first steel belt winding area and a second steel belt winding area which are arranged in parallel in the circumferential direction; the first steel belt is wound in a first steel belt winding area of the driving wheel and the driven wheel in a first winding mode, the second steel belt is wound in a second steel belt winding area of the driving wheel and the driven wheel in a second winding mode, the first steel belt is in a tensioned state when the driving wheel rotates in a first direction, and the second steel belt is in a tensioned state when the driving wheel rotates in a second direction.

Description

Steel belt transmission mechanism
Technical Field
The invention relates to the technical field of mechanical transmission, in particular to a steel belt transmission mechanism.
Background
The mechanical transmission means a transmission method for transmitting motion and power by a mechanical method, and is divided into a friction transmission method for transmitting power by a frictional force between machine members and an engagement transmission method for transmitting motion and power by engagement between a driving member and a driven member or by engagement between intermediate members.
Common meshing transmission comprises gear transmission, chain transmission, worm and gear transmission, spiral transmission and the like; the gear transmission utilizes the mutual meshing of gear teeth of two gears to transmit motion and power, and when the distance between shafts is larger, the gears occupy larger space and have heavier weight, so the gear transmission is generally only suitable for transmitting the motion and the power between two shafts with short relative positions; the chain transmission is a transmission mode of transmitting the motion and power of a driving sprocket with a special tooth form to a driven sprocket with a special tooth form through a chain, and additional dynamic load, vibration, impact and noise can be generated during operation, so that the chain transmission is not suitable for being used in rapid reverse transmission; the worm and gear transmission is only used for transmitting the motion and power between the staggered shafts, and the spiral transmission is mechanical transmission for realizing the conversion of rotary motion and linear motion by screwing a spiral and a thread tooth surface, and is not suitable for long-distance transmission; the meshing transmission return difference gap is large, and the meshing transmission return difference gap is not suitable for precision motion of reciprocating motion; therefore, friction transmission is generally selected for long-distance transmission. The common friction transmission comprises belt transmission and steel wire rope transmission, but in the transmission process of the belt transmission or the steel wire rope transmission, because the transmission belt and the steel wire rope are stressed and deformed, certain flexibility is generated, the synchronization performance is poor, the steel wire rope is easy to slip, and the steel wire rope transmission is not suitable for precision transmission of reciprocating motion.
Therefore, how to reduce the slippage of the belt transmission and improve the synchronization performance and the bearing capacity of the belt transmission during the long-distance transmission is a problem to be solved.
Disclosure of Invention
In view of the above, the present invention provides a steel belt transmission mechanism to solve one or more problems of the existing transmission mechanism.
According to one aspect of the invention, the invention provides a steel belt transmission mechanism, which comprises a driving wheel, a driven wheel and a transmission steel belt, wherein the transmission steel belt is tensioned on the peripheral surfaces of the driving wheel and the driven wheel;
the transmission steel belt comprises a first steel belt and a second steel belt which are fixed on the driving wheel and the driven wheel, and the first steel belt and the second steel belt are open steel belts;
the driving wheel comprises a first steel belt winding area and a second steel belt winding area which are arranged in parallel in the circumferential direction;
the driven wheel comprises a first steel belt winding area and a second steel belt winding area which are arranged in parallel in the circumferential direction;
the first steel belt is wound in a first steel belt winding area of the driving wheel and the driven wheel in a first winding mode, the second steel belt is wound in a second steel belt winding area of the driving wheel and the driven wheel in a second winding mode, the first steel belt is in a tensioned state when the driving wheel rotates in a first direction, and the second steel belt is in a tensioned state when the driving wheel rotates in a second direction.
In some embodiments of the present invention, the driving wheel and/or the driven wheel has an axial through hole and a notch communicating from the axial through hole to the outer surface of the wheel, and the end of the open steel belt is fixed in the axial through hole.
In some embodiments of the invention, the gap is in arc transition with the outer surface of the wheel to which the gap belongs.
In some embodiments of the present invention, a steel strip clamping shaft is disposed in the axial through hole, an end of the open steel strip is wound around the steel strip clamping shaft, and the steel strip clamping shaft and the wheel thereof are fixed by screws.
In some embodiments of the present invention, the driving pulley includes a first pulley and a second pulley which are coaxially disposed, the driven pulley includes a third pulley and a fourth pulley which are coaxially disposed, the first steel belt winding area is located on outer circumferences of the first pulley and the third pulley, and the second steel belt winding area is located on outer circumferences of the second pulley and the fourth pulley.
In some embodiments of the present invention, the gap between the axial through hole and the outer surface of the wheel is an arc-shaped gap;
the direction of the arc-shaped openings of the first belt wheel and the fourth belt wheel is clockwise, and the direction of the arc-shaped openings of the second belt wheel and the third belt wheel is anticlockwise; or the arc-shaped openings of the first belt wheel and the fourth belt wheel are anticlockwise, and the arc-shaped openings of the second belt wheel and the third belt wheel are clockwise.
In some embodiments of the invention, an isolation zone is provided between the first steel strip winding zone and the second steel strip winding zone.
In some embodiments of the present invention, the isolation region is provided with an isolation pad.
In some embodiments of the invention, the transmission mechanism further comprises:
the output shaft of the motor is connected with the driving wheel and is used for driving the driving wheel;
the motor bracket is used for fixing the motor;
a driven wheel output shaft connected with the driven wheel for transmitting motion and power to a load;
and the driven wheel output shaft support is used for supporting the driven wheel output shaft.
In some embodiments of the invention, the heights of the motor support and the driven wheel output shaft support are set such that the motor output shaft and the driven wheel output shaft are on the same horizontal line.
By utilizing the steel belt transmission mechanism of the present disclosure, the beneficial effects that can be obtained at least comprise:
(1) the transmission mechanism adopts the structural design of two steel belts, so that one of the two steel belts is in a tensioned state in the forward rotation and reverse rotation processes of the driving wheel, and the bearing capacity of the steel belts is improved;
(2) the end parts of the two steel belts are fixed on the wheels, so that the synchronous performance is good, the steel belts are not easy to slip, and the precision and the reliability of transmission are ensured.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
It will be appreciated by those skilled in the art that the objects and advantages that can be achieved with the present invention are not limited to the specific details set forth above, and that these and other objects that can be achieved with the present invention will be more clearly understood from the detailed description that follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the invention. For purposes of illustrating and describing some portions of the present invention, corresponding parts of the drawings may be exaggerated, i.e., may be larger, relative to other components in an exemplary apparatus actually manufactured according to the present invention. In the drawings:
FIG. 1 is an isometric view of a steel belt drive mechanism in an embodiment of the invention.
Fig. 2 is a front view of the steel belt transmission mechanism shown in fig. 1.
Fig. 3 is a plan view of the steel belt transmission mechanism shown in fig. 1.
Fig. 4 is a sectional view a-a of the steel belt transmission mechanism shown in fig. 3.
Fig. 5 is a left side view of the steel belt transmission mechanism shown in fig. 1.
FIG. 6 is an isometric view of a steel belt drive mechanism in another embodiment of the present disclosure.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention are further described in detail below with reference to the accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the structures and/or processing steps closely related to the scheme according to the present invention are shown in the drawings, and other details not closely related to the present invention are omitted.
It should be emphasized that the term "comprises/comprising/comprises/having" when used herein, is taken to specify the presence of stated features, elements, steps or components, but does not preclude the presence or addition of one or more other features, elements, steps or components.
Here, it should be noted that the terms of orientation such as "upper" and "lower" appearing in the present specification refer to the orientation relative to the position shown in the drawings; the term "coupled" herein may mean not only directly coupled, but also indirectly coupled, in which case intermediates may be present, if not specifically stated. A direct connection is one in which two elements are connected without the aid of intermediate elements, and an indirect connection is one in which two elements are connected with the aid of other elements.
Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In the drawings, like reference characters designate the same or similar parts throughout the several views.
The invention discloses a steel belt transmission mechanism, which comprises a driving wheel 100, a driven wheel 200 and a transmission steel belt, wherein the transmission steel belt is tensioned on the outer circumferences of the driving wheel 100 and the driven wheel 200 as shown in figures 1 to 5. Fig. 1 is an isometric view of the transmission mechanism, and as shown in fig. 1, the transmission steel belt comprises a first steel belt 410 and a second steel belt 420, both the first steel belt 410 and the second steel belt 420 are open steel belts, both ends of the first steel belt 410 are respectively fixed on the driving wheel 100 and the driven wheel 200, and both ends of the second steel belt 420 are also respectively fixed on the driving wheel 100 and the driven wheel 200. Wherein, the fixing mode between the open steel belt and the driving wheel 100 or the driven wheel 200 can adopt a screw; the end of the open steel belt is fixed to the outer peripheral surface of the driving wheel 100 or the driven wheel 200 by, for example, screws. Besides screw fixation, other fixation modes capable of realizing connection can achieve the same effect as screw fixation.
The driving pulley 100 includes a first steel belt winding area 111 and a second steel belt winding area 121 which are arranged in parallel in the circumferential direction, and the driven pulley 200 includes a first steel belt winding area 211 and a second steel belt winding area 221 which are arranged in parallel in the circumferential direction; the axis of the first steel belt winding area 111 of the driving wheel 100 is parallel to the axis of the first steel belt winding area 211 of the driven wheel 200, and the end surface of the first steel belt winding area 111 of the driving wheel 100 and the end surface of the first steel belt winding area 211 of the driven wheel 200 are located in the same plane; similarly, the axis of the second steel belt winding area 121 of the driving pulley 100 is parallel to the axis of the second steel belt winding area 221 of the driven pulley 200, and the end surface of the second steel belt winding area 121 of the driving pulley 100 and the end surface of the second steel belt winding area 221 of the driven pulley 200 are located in the same plane.
Both ends of the first steel belt 410 may be wound around the first steel belt winding region 111 of the capstan 100 and the first steel belt winding region 211 of the follower 200 by a first winding method, and both ends of the second steel belt 420 may be wound around the second steel belt winding region 121 of the capstan 100 and the second steel belt winding region 221 of the follower 200 by a second winding method. During specific installation, the two ends of the first steel belt 410 and the second steel belt 420 and the corresponding driving wheel 100 and driven wheel 200 can be fixed, and then the driving wheel 100 and the driven wheel 200 are operated to rotate to ensure that the opening steel belt is wound on the corresponding belt wheel, and the wound opening steel belt is in a tensioning state; the first steel strip 410 and the second steel strip 420 are wound in different manners, but two opening steel strips which are wound and in a tensioned state need to be positioned at the upper side and the lower side of the belt wheel. The first steel strip 410 shown in fig. 1 is located on the lower side of the pulley and the second steel strip 420 is located on the upper side of the pulley; when the capstan 100 rotates clockwise, the second steel belt 420 located at the upper side of the pulley is in a tensioned state, the second steel belt 420 is gradually unwound from the second steel belt winding region 221 of the follower 200 and wound around the second steel belt winding region 121 of the capstan 100 as the capstan 100 rotates, and the first steel belt 410 is gradually unwound from the first steel belt winding region 111 of the capstan 100 and wound around the first steel belt winding region 211 of the follower 200; when the capstan 100 rotates counterclockwise, the first steel belt 410 located at the lower side of the pulley is in a tensioned state, and at this time, the second steel belt 420 is gradually unwound from the second steel belt winding region 121 of the capstan 100 and wound around the second steel belt winding region 221 of the follower 200, and the first steel belt 410 is gradually unwound from the first steel belt winding region 211 of the follower 200 and wound around the first steel belt winding region 111 of the capstan 100.
The steel belt transmission mechanism adopts the two open steel belts to realize the transmission of motion and power, and the first steel belt 410 and the second steel belt 420 are alternately loaded in the positive rotation process and the negative rotation process of the driving wheel 100, so that the fatigue damage of the transmission belt is reduced, and the bearing capacity is improved compared with the single annular transmission belt; the two ends of the open steel belt are respectively fixed on the belt wheels, so that certain initial tension can be kept, and the phenomenon of slipping of the belt is prevented.
In order to fix the open steel belt with the driving wheel 100 and the driven wheel 200, another embodiment of the invention discloses a fixing mode. As shown in fig. 4, an axial through hole 81 is provided on the driving wheel 100 and/or the driven wheel 200, and a communicating gap 82 is provided between the axial through hole 81 and the outer surface of the wheel to which the opening 82 belongs, and the relationship between the gap 82 and the wheel to which the opening belongs can be regarded as intersecting; the end of the open steel strip is introduced into the axial through hole 81 through this slit 82 and fixed in the axial through hole 81. The gap between the gaps 82 can be slightly larger than the thickness of the steel strip, and the shape of the gaps 82 can be set to be spiral, arc and the like; the end of the open steel band can be fixed on the wall of the axial through hole 81 by screws or can be clamped in the axial through hole 81 by bolts.
Furthermore, the junction between the notch and the outer surface of the wheel to which the notch belongs can be in arc transition 83; the circular arc transition 83 may be formed as a rounded corner or as an arcuate gap between the axial through hole and the outer surface of the wheel to which it belongs. When the open steel belt extends out of the notch 82 to the outer surface of the belt wheel, the steel belt forms a turning point at the junction of the notch 82 and the outer surface of the wheel to which the steel belt belongs, if the junction is a sharp corner edge, the fatigue damage of the steel belt can be accelerated, and the sharp corner edge even cuts off the steel belt along with the increase of load; if the sharp corner edge is designed to be in the form of a smooth transition 83, this phenomenon is effectively avoided.
For better effect, a steel band clamping shaft 510 may be provided in the axial through hole 81, and the steel band clamping shaft 510 is fixed to the pulley by a screw. As shown in fig. 1, the end of the open steel strip is wound around the strip clamping shaft 510, and the strip clamping shaft 510 is inserted into the axial through hole 81; one end of the steel band clamping shaft 510 is provided with a limiting part, and the size of the limiting part is larger than the aperture size of the axial through hole 81, so that the steel band clamping shaft 510 is inserted into the axial through hole 81, and the limitation in one direction is realized in the axial direction; at the other end of the steel band clamping shaft 510, a fixing screw 520 is provided, and the fixing screw 520 realizes the limit of the steel band clamping shaft 510 in the other direction of the axial direction. Specifically, the size of the head of the fixing screw 520 may be larger than the size of the inner diameter of the axial through hole 18, a threaded hole is formed at the end of the steel band clamping shaft 510, and the fixing screw is matched with and screwed into the threaded hole 20; to prevent the fixing screw 520 from loosening, a locking washer or washer (not shown) may be further installed.
In another embodiment of the present invention, the driving pulley 100 includes a first pulley 110 and a second pulley 120 coaxially disposed, and the driven pulley 200 includes a third pulley 210 and a fourth pulley 220 coaxially disposed; the outer circumference of the first pulley 110 is a first steel belt winding area 111, the outer circumference of the second pulley 120 is a second steel belt winding area 121, the outer circumference of the third pulley 210 is a first steel belt winding area 211, and the outer circumference of the fourth pulley 220 is a second steel belt winding area 221. The first steel belt 410 is wound on the first steel belt winding region such that it is tensioned at the lower sides of the first pulley 110 and the third pulley 210, and the second steel belt 420 is wound on the second steel belt winding region such that it is tensioned at the upper sides of the second pulley 120 and the fourth pulley 220. In addition, in order to improve the carrying capacity of the belt transmission, the driving pulley 100 may also be composed of a plurality of sets of the first pulley 110 and the second pulley 120, and the driven pulley 200 is also composed of a plurality of sets of the third pulley 210 and the fourth pulley 220, so that a plurality of first steel belts 410 positioned at the lower sides of the first pulley 110 and the third pulley 210 and a plurality of second steel belts 420 positioned at the upper sides of the second pulley 120 and the fourth pulley 220 are formed; the uniform stress of a plurality of steel belts effectively reduces the damage of the steel belts, thereby improving the bearing capacity of belt transmission. In addition, the first pulley 110, the second pulley 120, the third pulley 210 and the fourth pulley 220 are provided with through holes 60, the through holes can be used for installing bolts, and the bolts fix the first pulley 110 and the second pulley 120 or the third pulley 210 and the fourth pulley 220 into a whole, so that the reliability of transmission is ensured; the through hole can also play a role in weight reduction; fig. 6 is a schematic structural view of the pulley without the through hole 60, and it can be seen that the first pulley 110 and the second pulley 120 or the third pulley 210 and the fourth pulley 220 can also be fixed integrally directly by the steel belt clamping shaft 510 and the fixing screw 520.
In another embodiment of the present invention, the first and second steel tape winding areas 111 and 121 on the capstan 100 may be provided on one pulley. For example, the pulley outer circumference is equally divided into two regions in the axial direction, i.e., a first steel strip winding region 111 and a second steel strip winding region 121 are formed, the first steel strip winding region 111 being used to wind the first steel strip 410, and the second steel strip winding region 121 being used to wind the second steel strip 420. Similarly, the first steel belt winding region 211 and the second steel belt winding region 221 of the driven pulley 200 may be provided in a similar manner to the driving pulley 100. To increase the load-bearing capacity, a plurality of coaxial driving pulleys 100 and driven pulleys 200 may also be provided to form a plurality of sets of transmission belts.
As shown in fig. 1 and 4, the gap 82 between the axial through hole 81 and the outer surface of the pulley has an arc shape. When viewed in a direction perpendicular to the paper plane, the arc directions of the first pulley 110 and the fourth pulley 220 are clockwise, and the arc directions of the second pulley 120 and the third pulley 210 are counterclockwise. The limitation of the arc direction leads the two open steel belts to be respectively positioned at different sides of the belt wheel; so as to ensure that the second steel belt 420 is in a tensioned state when the driving wheel 100 rotates clockwise; when the driving wheel 100 rotates counterclockwise, the first steel belt 410 is under tension.
Or the arc directions of the first pulley 110 and the fourth pulley 220 may be set to be counterclockwise, and the arc directions of the second pulley 120 and the third pulley 210 are clockwise, so that the first steel strip 410 wound around the first steel strip winding area is located at the upper side of the pulleys, and the second steel strip 420 wound around the second steel strip winding area is located at the lower side of the pulleys; when the driving pulley 100 rotates clockwise, the first steel belt 410 positioned on the upper side of the pulley is in a tensioned state; when the capstan 100 rotates counterclockwise, the second steel belt 420 positioned at the lower side of the pulley is in a tensioned state.
In the present embodiment, the axial through holes 81 of the first pulley 110 and the fourth pulley 220 are respectively located right below the axes of the pulleys, and the axial through holes 81 of the second pulley 120 and the third pulley 210 are respectively located right above the axes of the pulleys. In order to facilitate the processing and maintenance of the pulleys, the first pulley 110, the second pulley 120, the third pulley 210 and the fourth pulley 220 are all the same in shape and size; at the time of specific installation, the positional relationship between the pulleys shown in fig. 1 can be achieved by adjusting the installation direction of the pulleys; for example: the first belt pulley 110 with the axis through hole 81 positioned below the axis can be vertically turned over to form the second belt pulley 120 and the third belt pulley 210 with the axis through hole 81 positioned above the axis, and the arc-shaped direction of the arc-shaped gap can be changed by turning the belt pulleys left and right. In addition, in order to meet the requirements of different transmission ratios, the diameters of the driving wheel 100 and the driven wheel 200 can be different; it should be noted that, in order to achieve effective transmission of the transmission mechanism, the transmission ratio between the first pulley 110 and the third pulley 210 should be equal to the transmission ratio between the second pulley 120 and the fourth pulley 220.
In order to prevent the first steel belt 410 and the second steel belt 420 from affecting each other during the driving process, an isolation region may be provided between the first steel belt winding region and the second steel belt winding region. When the first steel belt winding area and the second steel belt winding area are located on the same belt wheel, a protrusion or a groove can be arranged on the belt wheel to realize the isolation of the first steel belt 410 and the second steel belt 420; when the first steel belt winding area and the second steel belt winding area are respectively located on different pulleys (the driving pulley 100 includes the first pulley 110 and the second pulley 120), the first steel belt 410 and the second steel belt 420 may be isolated by additionally installing an isolation device between the pulleys.
Further, an isolation area between the first steel belt winding area and the second steel belt winding area is provided with an isolation pad 300, as shown in fig. 1, the isolation pad 300 is coaxially arranged with the pulley to be isolated, and the outer diameter of the isolation pad 300 is larger than that of the pulley. When the driving wheel 100 is installed, the second belt wheel 120 is sleeved on the transmission shaft, then the isolation pad 300 and the first belt wheel 110 are sequentially installed outside the second belt wheel 120, and are axially fixed through the shaft end retaining ring or the shaft end retaining cover; the first pulley 110, the spacer 300, and the second pulley 120 may be further connected to each other by a stud. Driven wheel 200 is mounted similarly to drive wheel 100.
If the first steel belt winding area and the second steel belt winding area are located on the same belt wheel, the isolation pad 300 can be sleeved on the outer surface of the belt wheel and located between the first steel belt winding area and the second steel belt winding area; the inner diameter of the spacer 300 is slightly larger than the outer diameter of the pulley to form a tight fit with the pulley, and the spacer 300 sleeved on the outer circumference of the pulley realizes the isolation between the first steel belt 410 and the second steel belt 420.
Specifically, the transmission mechanism further comprises a motor 610, a motor support 620, a driven wheel output shaft support 720 and a driven wheel output shaft 710; the motor support 620 and the driven wheel output shaft support 720 are generally arranged on a base or a frame, the motor 610 is fixed with the motor support 720 through screws, and the driven wheel output shaft 710 is supported on the driven wheel output shaft support 720; the driving wheel 100 is fixedly connected with the output shaft of the motor, and the driven wheel 200 is fixedly connected with the output shaft 710 of the driven wheel. The axial fixation between the belt wheel and the transmission shaft can be realized by means of a shaft shoulder, a shaft end check ring, a shaft end baffle and the like, and the circumferential fixation mode can be connected by keys. When the motor 610 is operated, the output shaft of the motor drives the driving wheel 100 to rotate, and then the driven wheel 200 is driven to rotate through the steel belt, and because the driven wheel 200 is fixedly connected with the output shaft 710 of the driven wheel, the output shaft 710 of the driven wheel rotates to drive a load and transmit motion and power to the load.
The motor holder 720 and the driven wheel output shaft holder 720 in an embodiment of the present invention are arranged such that the motor output shaft and the driven wheel output shaft 710 are positioned on the same horizontal line in the height direction and the parallelism between the motor output shaft and the driven wheel output shaft 710 is ensured when mounting.
According to the embodiment of the steel belt transmission mechanism disclosed by the invention, the steel belt transmission mechanism adopts the structural design of two steel belts, so that one of the two steel belts is in a tensioned state in the forward rotation and reverse rotation processes of the driving wheel, and the bearing capacity of the steel belts is improved; the end parts of the two steel belts are fixed on the wheels, so that the synchronous performance is good, the steel belts are not easy to slip, and the precision and the reliability of transmission are ensured.
Features that are described and/or illustrated with respect to one embodiment may be used in the same way or in a similar way in one or more other embodiments and/or in combination with or instead of the features of the other embodiments in the present invention.
The above-mentioned embodiments illustrate and describe the basic principles and main features of the present invention, but the present invention is not limited to the above-mentioned embodiments, and those skilled in the art should make modifications, equivalent changes and modifications without creative efforts to the present invention within the protection scope of the technical solution of the present invention.

Claims (10)

1. The utility model provides a steel band drive mechanism, includes the action wheel, follows driving wheel and transmission steel band, the tensioning of transmission steel band is in on the outer peripheral face of action wheel and follow driving wheel, its characterized in that:
the transmission steel belt comprises a first steel belt and a second steel belt which are fixed on the driving wheel and the driven wheel, and the first steel belt and the second steel belt are open steel belts;
the driving wheel comprises a first steel belt winding area and a second steel belt winding area which are arranged in parallel in the circumferential direction;
the driven wheel comprises a first steel belt winding area and a second steel belt winding area which are arranged in parallel in the circumferential direction;
the first steel belt is wound in a first steel belt winding area of the driving wheel and the driven wheel in a first winding mode, the second steel belt is wound in a second steel belt winding area of the driving wheel and the driven wheel in a second winding mode, the first steel belt is in a tensioned state when the driving wheel rotates in a first direction, and the second steel belt is in a tensioned state when the driving wheel rotates in a second direction.
2. The steel belt transmission mechanism as claimed in claim 1, wherein the driving wheel and/or the driven wheel is provided with an axial through hole and a notch communicated from the axial through hole to the outer surface of the wheel, and the end part of the open steel belt is fixed in the axial through hole.
3. The steel belt transmission mechanism according to claim 2, wherein the gap is in circular arc transition with the outer surface of the wheel to which the gap belongs.
4. The steel strip transmission mechanism according to claim 3, wherein a steel strip clamping shaft is arranged in the axial through hole, the end part of the open steel strip is wound on the steel strip clamping shaft, and the steel strip clamping shaft is fixed with the wheel to which the steel strip clamping shaft belongs through screws.
5. The steel belt transmission mechanism according to claim 4, wherein the driving pulley comprises a first pulley and a second pulley which are coaxially arranged, the driven pulley comprises a third pulley and a fourth pulley which are coaxially arranged, the first steel belt winding region is located on the outer circumferences of the first pulley and the third pulley, and the second steel belt winding region is located on the outer circumferences of the second pulley and the fourth pulley.
6. The steel belt transmission mechanism according to claim 5, wherein the gap between the axial through hole and the outer surface of the wheel is an arc-shaped gap;
the direction of the arc-shaped openings of the first belt wheel and the fourth belt wheel is clockwise, and the direction of the arc-shaped openings of the second belt wheel and the third belt wheel is anticlockwise; or
The direction of the arc-shaped openings of the first belt wheel and the fourth belt wheel is anticlockwise, and the direction of the arc-shaped openings of the second belt wheel and the third belt wheel is clockwise.
7. The steel strip transmission according to any one of claims 1 to 6, wherein an isolation region is provided between the first steel strip winding region and the second steel strip winding region.
8. The steel belt transmission according to claim 7, wherein the isolation zone is provided with an isolation pad.
9. The steel belt transmission according to claim 8, wherein the transmission further comprises:
the output shaft of the motor is connected with the driving wheel and is used for driving the driving wheel;
the motor bracket is used for fixing the motor;
a driven wheel output shaft connected with the driven wheel for transmitting motion and power to a load;
and the driven wheel output shaft support is used for supporting the driven wheel output shaft.
10. The steel belt transmission according to claim 9, wherein the heights of the motor bracket and the driven wheel output shaft bracket are set so that the motor output shaft and the driven wheel output shaft are on the same horizontal line.
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