CN220885750U - Intelligent belt tensioning device - Google Patents
Intelligent belt tensioning device Download PDFInfo
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- CN220885750U CN220885750U CN202322362773.1U CN202322362773U CN220885750U CN 220885750 U CN220885750 U CN 220885750U CN 202322362773 U CN202322362773 U CN 202322362773U CN 220885750 U CN220885750 U CN 220885750U
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- belt
- fixedly connected
- swing arm
- belt tensioner
- main shaft
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Abstract
The application discloses an intelligent belt tensioning device, which belongs to the technical field of tensioning mechanisms and is used for providing an automatic belt tensioning degree adjusting device with higher precision. The utility model discloses a set up the pressure sensor structure in the cylinder outside of exerting pressure for the belt to the intercommunication drives the rotatory driver of swing arm together with the control computer electric connection of equipment, utilizes automated molding to carry out accurate rate of tension to the belt and adjusts, compares in manual regulation precision higher, and is more rapid moreover, can not let the belt work for a long time under unsuitable rate of tension condition, has reduced the damage of belt, has prolonged the life of belt.
Description
Technical Field
The application relates to the technical field of tensioning mechanisms, in particular to an intelligent belt tensioning device.
Background
In many mechanical devices, a belt is used as a transmission part or a workpiece conveying support part, the belt has certain softness, so that certain tension is required for the belt to keep straight, and thus stable power transmission or article transmission is realized, but because the temperature of a working environment is a change point, the tension of the belt is changed due to the expansion and contraction effect, when the tension of the belt is out of a proper range, the transmission efficiency or transmission temperature of light power is reduced, the weight of the belt is possibly broken, for example, the brittleness of the belt is improved under a relatively cold environment, and the fracture risk is greatly increased.
Most of the existing methods are manual adjustment, so that the belt can be approximately in a proper tension range under different environments, but the operation is easy to ignore, workers with insufficient experience may not be well adjusted, the tension of the belt cannot be in the middle of the proper range, but is in the upper limit or the lower limit of the proper range, and the belt is easily separated from the proper tension range in the working process, so that the belt is damaged.
Disclosure of Invention
The application aims to provide an automatic belt tension adjusting device with higher precision.
To achieve the above object, the present application provides an intelligent belt tensioner: the device comprises a configuration frame, the configuration frame is rotationally connected with a pair of symmetrical swing arms, the lower ends of the two swing arms are jointly rotationally connected with a roller through an adjusting shaft, the side face of a cylinder of the roller is provided with a plurality of pressure sensors which are distributed at equal intervals, the detection ends of the pressure sensors are flush with the outer surface of the roller, and each swing arm is further movably connected with a driver at a position close to the middle and used for adjusting the inclination angle of the swing arm.
Preferably, the pressure sensors are sheet-shaped, the pressure sensors are divided into a plurality of groups with equal quantity, the pressure sensors in each group are annularly and equidistantly distributed around the axis of the roller, and at least one pressure sensor is ensured to be in contact with the belt.
Preferably, the roller has a spindle hole penetrating through both end surfaces, and the adjusting shaft includes a spindle body, and the spindle body passes through the spindle hole and cooperates with the roller to form a revolute pair, thereby restricting the degree of freedom of the roller.
Preferably, the two ends of the main shaft body are fixedly connected with coaxial chucks, the diameter of each chuck is larger than that of the main shaft body, two end faces of each roller are provided with coaxial convex rings, and a yielding groove is formed between the inner wall of each convex ring and the end face of each roller and is suitable for accommodating the chucks and used for preventing the rollers from moving along the main shaft body.
Preferably, the lower end of the swing arm is provided with a rotating shaft hole penetrating through the inner side surface and the outer side surface, one end of the chuck, which is far away from the main shaft body, is provided with a coaxial lifting shaft, the chuck is suitable for forming a revolute pair with the rotating shaft hole, and the end part of the lifting shaft penetrates through the rotating shaft hole and is fixedly connected with a baffle ring to prevent the lifting shaft from being separated from the swing arm.
Preferably, the configuration frame comprises a beam plate, ear plates extending downwards are arranged at two ends of the beam plate, a hanging shaft is fixedly connected between the two ear plates through a reinforcing ring, a swing shaft hole penetrating through the inner side surface and the outer side surface is formed in the upper end of the swing arm, and the swing arm is suitable for being matched with the hanging shaft to form a revolute pair to limit the freedom of movement of the swing arm.
As one preferable mode, the driver adopts an electric telescopic rod, a swing connecting plate is fixedly connected to the outer side wall of a cylinder barrel of the electric telescopic rod and is suitable for being connected with an installation frame of a belt in a rotating mode, a traction sleeve is fixedly connected to the movable end of the electric telescopic rod, a stress handle is arranged at a position, close to the middle portion, of the swing arm, a traction shaft is fixedly connected to the side face of the stress handle and is suitable for being matched with the traction sleeve to form a revolute pair, and the revolute pair is used for driving the swing arm to deflect at an angle.
Preferably, the end part of the traction shaft passes through the traction sleeve and is fixedly connected with a limiting ring, and the beam plate is provided with a plurality of connecting holes penetrating through the upper surface and the lower surface for connecting pieces such as bolts to pass through to fix the configuration frame on the mounting frame of the belt.
Compared with the prior art, the application has the beneficial effects that:
(1) The belt tension adjusting device has the advantages that the pressure sensor structure is arranged on the outer side of the roller for applying pressure to the belt and is electrically connected with the control computer of the equipment together by the driver for driving the swing arm to rotate, and the belt tension can be accurately adjusted by utilizing automatic molding, so that compared with manual adjustment, the belt tension adjusting device is higher in precision and quicker, the belt tension adjusting device can not work for a long time under the condition of unsuitable tension, the damage of the belt is reduced, and the service life of the belt is prolonged;
(2) The tensioning device mainly utilizes the gravity of the roller to apply pretightening force to the belt, and the driver only applies auxiliary force to finely adjust in a small range, so that the structure of the device is not stressed greatly, the energy consumption is low, the structure is not complex, and the maintenance and use cost is not high.
Drawings
FIG. 1 is a perspective view of the overall construction of the intelligent belt tensioner;
FIG. 2 is a schematic diagram of the connection between the adjustment shaft and the drive of the intelligent belt tensioner;
FIG. 3 is a schematic perspective view of a swing arm of the intelligent belt tensioner;
FIG. 4 is a perspective cross-sectional view of the drum of the intelligent belt tensioner;
FIG. 5 is a schematic perspective view of the drive of the intelligent belt tensioner;
FIG. 6 is a schematic perspective view of the configuration rack of the intelligent belt tensioner;
Fig. 7 is a schematic perspective view of the drive of the intelligent belt tensioner.
In the figure: 1. a configuration rack; 101. a beam plate; 102. ear plates; 103. a reinforcing ring; 104. hanging a shaft; 105. a connection hole; 2. swing arms; 201. a swing shaft hole; 202. a rotation shaft hole; 203. a stress handle; 204. a traction shaft; 205. a limiting ring; 3. an adjusting shaft; 301. a main shaft body; 302. a chuck; 303. a lifting shaft; 304. a baffle ring; 4. a roller; 401. a spindle hole; 402. a pressure sensor; 403. a convex ring; 404. a relief groove; 5. a driver; 501. swinging the connecting plate; 502. a traction sleeve.
Detailed Description
The present application will be further described with reference to the following specific embodiments, and it should be noted that, on the premise of no conflict, new embodiments may be formed by any combination of the embodiments or technical features described below.
In the description of the present application, it should be noted that, for the azimuth words such as terms "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, it is merely for convenience of describing the present application and simplifying the description, and it is not to be construed as limiting the specific scope of protection of the present application that the device or element referred to must have a specific azimuth configuration and operation.
It should be noted that the terms "first," "second," and the like in the description and in the claims are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.
The terms "comprises" and "comprising," along with any variations thereof, in the description and claims, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The intelligent belt tensioning device shown in fig. 1-6 comprises a configuration frame 1 fixedly connected with a mounting frame of a belt, the configuration frame 1 is rotatably connected with a pair of symmetrical swing arms 2, the two swing arms 2 can swing within a certain range, the configuration frame 1 comprises a horizontal beam plate 101, a plurality of connecting holes 105 penetrating through the upper surface and the lower surface are formed in the beam plate 101, connecting pieces such as bolts penetrate through the mounting frame for fixing the beam plate 101 and the belt together, two ends of the beam plate 101 are provided with lug plates 102 extending downwards, opposite side surfaces of the two lug plates 102 are parallel, a hanging shaft 104 is fixedly connected between the opposite side surfaces through a reinforcing ring 103, stability of the hanging shaft 104 is kept, swing shaft holes 201 penetrating through the inner side surface and the outer side surface are formed in the upper end of the swing arm 2 and are matched with the hanging shaft 104 to form a revolute pair, freedom degree of the swing arms 2 is limited, and stability of the swing arms 2 during movement is ensured.
The lower ends of the two swing arms 2 are connected with a roller 4 in a rotating way through an adjusting shaft 3, specifically: the cylinder 4 has the main shaft hole 401 that link up both ends face, the regulating spindle 3 includes the main shaft body 301, the main shaft body 301 passes main shaft hole 401 and the cooperation of cylinder 4 and constitutes the revolute pair, restrict the degree of freedom of cylinder 4, the both ends fixedly connected with coaxial chuck 302 of main shaft body 301, the diameter of chuck 302 is greater than main shaft body 301, the both ends face of cylinder 4 has coaxial bulge loop 403, the inner wall of bulge loop 403 and the terminal surface of cylinder 4 are formed with the groove 404 that gives way, just hold chuck 302, two chucks 302 can restrict cylinder 4 and move along main shaft body 301, the lower extreme of swing arm 2 has seted up the rotation shaft hole 202 of link up medial surface, chuck 302 is kept away from the one end of main shaft body 301 and has coaxial lift axle 303 for constitute the revolute pair with rotation shaft hole 202, two lift axles 303 receive the restriction effect of swing arm 2 respectively, the steady about holding main shaft body 301 and the cylinder 303 of cooperation, the tip of lift axle passes rotation shaft hole 202 and fixedly connected with baffle ring 304, prevent that the lower extreme and lift axle 303 break away from.
The cylinder side of cylinder 4 is provided with a plurality of equidistant pressure sensor 402 of arranging, in fact, pressure sensor 402 is the slice, a plurality of pressure sensor 402 divide into a plurality of groups that the quantity equals, pressure sensor 402 in every group is arranged around the axis annular equidistance of cylinder 4, when guaranteeing belt and cylinder 4 contact, at least one pressure sensor 402 receives the extrusion of belt, thereby judge whether the rate of tension of belt is sufficient, in this embodiment, at least one row of pressure sensor 402 contacts with the belt simultaneously, through taking the average value, wait to more accurate belt rate of tension, pressure sensor 402's detection end and cylinder 4's surface parallel and level for cylinder 4's surface has good roughness, be difficult for causing the damage of rubbing to the belt.
Each swing arm 2 is further movably connected with a driver 5 at a position close to the middle, the driver 5 adopts an electric telescopic rod with higher distance control precision, the outer side wall of a cylinder barrel of the electric telescopic rod is fixedly connected with a swing connecting plate 501 for being rotationally connected with an installation frame of a belt, the movable end of the electric telescopic rod is fixedly connected with a traction sleeve 502, the swing arm 2 is provided with a stress handle 203 at a position close to the middle, the side surface of the stress handle 203 is fixedly connected with a traction shaft 204 for being matched with the traction sleeve 502 to form a revolute pair, so that two ends of the driver 5 can rotate within a certain range, the driver 5 is guaranteed to have enough activity degree of freedom when in telescopic motion, and the end part of the traction shaft 204 penetrates through the traction sleeve 502 and is fixedly connected with a limiting ring 205 to prevent the traction shaft 204 from being separated from the traction sleeve 502, and the stability of a connecting structure is improved.
Working principle: when the belt tensioning device is used, the tensioning device is mounted on a mounting rack of a belt, the pressure sensor 402 and the electric telescopic rod are electrically connected with a central control computer of equipment provided with the belt structure and are used for transmitting detection signals and control signals, the belt bypasses from the lower part of the roller 4, at least one row of pressure sensors 402 are simultaneously contacted with the belt, the tension degree of the belt is judged by the average value of the pressures detected by the pressure sensors 402, and as the roller 4 and the adjusting shaft 3 are solid and are in self comparison, the swinging arm 2 for restraining the roller 4 and the adjusting shaft are inclined, the roller 4 and the adjusting shaft spontaneously exert pretightening force on the belt under the action of self weight, and when the tension degree of the belt is insufficient, the driver 5 is contracted, so that the height of the roller 4 is reduced, the belt is lengthened, and the tensioning of the belt is restored to be normal; when the belt tension is too high, the driver 5 stretches again to enable the height of the roller 4 to rise, the belt is loosened, the tension is restored to be within a safe and proper range, and the whole process is completed through computer regulation and control, so that better automation and intellectualization are achieved.
The foregoing has outlined the basic principles, features, and advantages of the present application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present application, and various changes and modifications may be made therein without departing from the spirit and scope of the application, which is defined by the appended claims. The scope of the application is defined by the appended claims and equivalents thereof.
Claims (8)
1. An intelligent belt tensioner, characterized in that: including configuration frame (1), configuration frame (1) rotates and is connected with symmetrical swing arm (2), two the lower extreme of swing arm (2) is connected with cylinder (4) through regulating spindle (3) rotation jointly, the cylinder side of cylinder (4) is provided with pressure sensor (402) that a plurality of equidistances were arranged, the detection end of pressure sensor (402) with the surface parallel and level of cylinder (4), every swing arm (2) are in the position that is close to the centre still swing joint have driver (5).
2. The intelligent belt tensioner as in claim 1, wherein: the pressure sensors (402) are sheet-shaped, the pressure sensors (402) are divided into a plurality of groups with equal numbers, and the pressure sensors (402) in each group are annularly and equidistantly arranged around the axis of the roller (4).
3. The intelligent belt tensioner as in claim 2, wherein: the rotary drum (4) is provided with a main shaft hole (401) penetrating through two end surfaces, the adjusting shaft (3) comprises a main shaft body (301), and the main shaft body (301) penetrates through the main shaft hole (401) to be matched with the rotary drum (4) to form a revolute pair.
4. An intelligent belt tensioner as claimed in claim 3, wherein: the two ends of the main shaft body (301) are fixedly connected with coaxial chucks (302), the diameter of each chuck (302) is larger than that of the main shaft body (301), two end faces of the roller (4) are provided with coaxial convex rings (403), and a yielding groove (404) is formed between the inner wall of each convex ring (403) and the end face of the roller (4) and is suitable for accommodating the chucks (302).
5. The intelligent belt tensioner as in claim 4, wherein: the lower end of the swing arm (2) is provided with a rotating shaft hole (202) penetrating through the inner side surface and the outer side surface, one end, far away from the main shaft body (301), of the chuck (302) is provided with a coaxial lifting shaft (303), the chuck is suitable for forming a revolute pair with the rotating shaft hole (202), and the end part of the lifting shaft (303) penetrates through the rotating shaft hole (202) and is fixedly connected with a baffle ring (304).
6. The intelligent belt tensioner as in claim 5, wherein: the configuration frame (1) comprises beam plates (101), ear plates (102) extending downwards are arranged at two ends of the beam plates (101), a hanging shaft (104) is fixedly connected between the two ear plates (102) through a reinforcing ring (103), and a swing shaft hole (201) penetrating through the inner side surface and the outer side surface is formed in the upper end of the swing arm (2) and is suitable for being matched with the hanging shaft (104) to form a revolute pair.
7. The intelligent belt tensioner as in claim 6, wherein: the driver (5) adopts electric telescopic rod, and electric telescopic rod's cylinder lateral wall fixedly connected with swing connecting plate (501) is suitable for the installation frame rotation connection with the belt, and electric telescopic rod's active end fixedly connected with traction sleeve (502), swing arm (2) have atress handle (203) in the position that is close to the middle part, the side fixedly connected with traction shaft (204) of atress handle (203) is suitable for with traction sleeve (502) cooperation constitutes the revolute pair.
8. The intelligent belt tensioner as in claim 7, wherein: the end part of the traction shaft (204) penetrates through the traction sleeve (502) and is fixedly connected with a limiting ring (205), and a plurality of connecting holes (105) penetrating through the upper surface and the lower surface are formed in the beam plate (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322362773.1U CN220885750U (en) | 2023-08-31 | 2023-08-31 | Intelligent belt tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322362773.1U CN220885750U (en) | 2023-08-31 | 2023-08-31 | Intelligent belt tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220885750U true CN220885750U (en) | 2024-05-03 |
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ID=90875239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322362773.1U Active CN220885750U (en) | 2023-08-31 | 2023-08-31 | Intelligent belt tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220885750U (en) |
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2023
- 2023-08-31 CN CN202322362773.1U patent/CN220885750U/en active Active
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