CN201810733U - Automatic belt tensioning device - Google Patents
Automatic belt tensioning device Download PDFInfo
- Publication number
- CN201810733U CN201810733U CN2010202904737U CN201020290473U CN201810733U CN 201810733 U CN201810733 U CN 201810733U CN 2010202904737 U CN2010202904737 U CN 2010202904737U CN 201020290473 U CN201020290473 U CN 201020290473U CN 201810733 U CN201810733 U CN 201810733U
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- swing seat
- belt
- hydraulic cylinder
- motor
- fixed base
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Abstract
The utility model discloses an automatic belt tensioning device in the field of mechanical drive, and aims at solving the problem that the conventional tension device cannot automatically keep the belt tension constant. The device comprises a motor and a motor belt pulley mounted at the rotor shaft end of the motor; a support leg of the motor is fixedly connected on a swing seat; the lower part of the swing seat is hinged on a fixed base through a swing seat hinge shaft; the axial line of the swing seat hinge shaft is parallel to the center line of the motor; a hydraulic cylinder is mounted on the side wall of the fixed base through a hydraulic cylinder seat; and the top end of a piston rod of the hydraulic cylinder is hinged with the swing seat. During use, the automatic belt tensioning device can guarantee a constant belt tension as long as the pressure of the hydraulic cylinder remains unchanged, so that the transmission efficiency of a belt can be ensured, and the effects of energy and labor conservation can be achieved.
Description
Technical field
The utility model relates to a kind of belt automatic takeup, belongs to the mechanical transmissioning technology field.
Background technique
Belt transmission is a mode commonly used in the mechanical transmission, belt transmission of the prior art generally is to be realized by the belt wheel that belt is connected on the machinery by electrical machine belt pulley, motor belt tensioning mode mainly is that electrical machine belt pulley is fixed on the frame, the centre distance of electrical machine belt pulley and main frame belt wheel is constant in the course of the work, and along with the passing of service time, belt can elongate inevitably, occur lax, skid, hinged even blow infringement equipment and motor.Therefore, belt need be by belt stretcher with its tensioning again.Lax at belt from being tensioned to, again to the process of tensioning again, the tension force of belt brings adverse effect in continuous variation to transmission efficiency.
On May 28th, 2008, publication number is the Chinese utility model patent of CN201065923, a kind of belt stretcher of electric-motor-driving is disclosed, this tension device comprises driving lever, torsion spring and Idle wheel, driving lever is fixed on the base of motor and can rotates around this locating stud by locating stud, one end of torsion spring is fixed on the driving lever, and the other end of torsion spring is fixed on the spacing place of base, is an Idle wheel that matches with belt at the front end of driving lever.This device applies tension force to drivign belt automatically by Idle wheel under the effect of torsion spring, guarantee the bel-drivenn reliability.Though this belt stretcher can be realized auto-tensioning, along with the increase of belt slack degree, decay can appear in the tension force of belt, still can influence transmission efficiency.
The model utility content
For overcoming problems of the prior art, the utility model provides a kind of belt automatic takeup, not only can carry out auto-tensioning to belt, and can keep the permanent tension force of belt.
For solving above technical problem, a kind of belt automatic takeup provided by the utility model, comprise motor and be installed in the electrical machine belt pulley of rotor axle head, the leg of described motor is fixedly connected on the swing seat, the bottom of described swing seat is hinged on the fixed base by swing seat hinging shaft, the parallel axes of described swing seat hinging shaft is in the center line of described motor, by the oil hydraulic cylinder seat oil hydraulic cylinder is installed on the sidewall of described fixed base, the top of the piston rod of described oil hydraulic cylinder is hinged on the described swing seat.
With respect to prior art, the utility model has been obtained following beneficial effect: the swing seat is hinged on the fixed base, makes the swing seat can drive the rotational of motor around hinging shaft; And the parallel axes of swing seat hinging shaft makes motor in rotation process in the center line of motor, and electrical machine belt pulley remains in the same plane; On the sidewall of fixed base oil hydraulic cylinder is installed, the top of hydraulic cylinder piston rod is hinged on the swing seat, the flexible swing seat that will affect of hydraulic cylinder piston rod is that rotate at the center with swing seat hinging shaft, turn to a end will make belt tension, turn to a end will make belt slack near the main frame belt wheel away from the main frame belt wheel; The tension force of belt derives from oil hydraulic cylinder and acts on the thrust of swinging on the seat, the pressure that keeps oil hydraulic cylinder, belt is under the situation of using after-drawing, the suitable displacement of hydraulic cylinder piston rod can compensate, as long as the pressure of oil hydraulic cylinder remains unchanged, can guarantee the constant tension of belt, guarantee the transmission efficiency of belt, reach effect energy-conservation, less manpower.
As preferred version of the present utility model, the both sides, bottom of described swing seat are respectively equipped with the swing seat lug of parallel opposed longer sides, be respectively equipped with the hinged axis hole that has an axis on the described two swing seat lugs, described swing seat hinging shaft passes described two hinged axis holes successively, its two ends are fixedly connected on respectively on the fixed base lug, and described fixed base lug is connected on the described fixed base.
As of the present utility model further preferred, described swing seat hinging shaft is positioned at the longitudinal middle part of described swing seat below.Swing seat hinging shaft is positioned at the longitudinal middle part of swing seat below, makes when the swing seat is horizontal, and the center of gravity of motor drops on the swing seat hinging shaft, the external force minimum that needs when swing.
As improvement of the present utility model, described swing seat is provided with and the bolt hole of described motor leg waist shape elongated slot one to one, and the length direction of described waist shape elongated slot is consistent with the direction of described motor center line.This waist shape elongated slot helps making electrical machine belt pulley and main frame belt wheel to remain on exactly in the same plane in order to regulate the lengthwise position of motor.
As further improvement of the utility model, be installed with supporting base on the sidewall of described fixed base, described supporting base is positioned at the below of described oil hydraulic cylinder seat, and by the supporting screw that has been threaded, described supporting screw withstands on the downside of described oil hydraulic cylinder seat on the described supporting base.Supporting base and supporting screw thereof can keep its position by the auxiliary hydraulic cylinder seat, prevent displacement.
As further improvement of the utility model, one side of described fixed base is provided with the tensioning position limit socket, the top of described tensioning position limit socket is provided with height-adjustable tensioning stop screw, and the belt tension limit position of the height of described tensioning stop screw and described swing seat is corresponding.When the swing seat turns to the belt tension limit position, the tensioning stop screw will withstand on the below of swing seat, and it can not be rotated further, and prevent that cylinder pressure is excessive, damage belt.
As another improvement of the present utility model, opposite side on the described fixed base is provided with and unclamps position limit socket, described top of unclamping position limit socket is provided with the height-adjustable stop screw that unclamps, and it is corresponding that the belt of described height that unclamps stop screw and described swing seat unclamps limit position.In like manner, setting is unclamped position limit socket and is unclamped stop screw and can prevent that motor is too to the lopsidedness that unclamps belt.
Description of drawings
Fig. 1 is the structural representation of the utility model belt automatic takeup.
Fig. 2 is the three-dimensional exploded view of Fig. 1.
Fig. 3 is the user mode figure of the utility model belt automatic takeup on main frame.
Among the figure: 1 electrical machine belt pulley, 2 motors, 2a motor leg, 3 swing seats, 3a piston rod hinged seat, 3b waist shape elongated slot, 3c swing seat lug, 4 oil hydraulic cylinder seats, 5 supporting bases, 5a supporting screw, 6 oil hydraulic cylinders, 6a hydraulic cylinder piston rod, 7 tensioning position limit sockets, 7a tensioning stop screw, 7 ' unclamp position limit socket, 7a ' unclamps stop screw, 8 fixed bases, 8a fixed base lug, 9 swing seat hinging shafts, 10 main pulleys, 11 belts, A belt unlocked position, B belt tension position.
Embodiment
As shown in Figures 1 and 2, belt automatic takeup of the present utility model, comprise motor 2, swing seat 3 and fixed base 8, the rotor axle head of motor 2 is equipped with electrical machine belt pulley 1, swing seat 3 is provided with and the bolt hole of motor leg 2a waist shape elongated slot 3b one to one, the length direction of waist shape elongated slot 3b is consistent with the direction of motor center line, so that adjust the lengthwise position of motor 2.Motor leg 2a is bolted to connection on swing seat 3, the both sides, bottom of swing seat 3 are respectively equipped with the swing seat lug 3c of parallel opposed longer sides, be respectively equipped with the hinged axis hole that has an axis on the two swing seat lug 3c, swing seat hinging shaft 9 passes two hinged axis holes successively, its two ends are fixedly connected on respectively on the fixed base lug 8a, and fixed base lug 8a is connected on the fixed base 8.The parallel axes of swing seat hinging shaft 9 preferably is positioned at the longitudinal middle part of swing seat below in the center line of motor.
One jiao of below of swing seat 3 is connected with piston rod hinged seat 3a, the corresponding fixed base 8 of piston rod hinged seat 3a is provided with the sidewall that is connected as a single entity with fixed base 8 therewith, by oil hydraulic cylinder seat 4 oil hydraulic cylinder 6 is installed on this sidewall, the top of hydraulic cylinder piston rod 6a and piston rod hinged seat 3a are hinged by bearing pin.The below of oil hydraulic cylinder seat 4 is equipped with supporting base 5, and by the supporting screw 5a that has been threaded, supporting screw 5a withstands on the below of oil hydraulic cylinder seat 4 on the supporting base 5.Supporting base 5 and supporting screw 5a thereof can keep its position by auxiliary hydraulic cylinder seat 4, prevent displacement.
One side of fixed base 8 is provided with tensioning position limit socket 7, and the top of tensioning position limit socket 7 is provided with height-adjustable tensioning stop screw 7a, and the height of tensioning stop screw 7a is corresponding with the belt tension limit position of swing seat 3.When swing seat 3 turns to the belt tension limit position, tensioning stop screw 7a will withstand on the below of swing seat 3, and it can not be rotated further, and prevent that oil hydraulic cylinder 6 pressure are excessive, damage belt.
The opposite side of fixed base 8 is provided with and unclamps position limit socket 7 ', and the top of unclamping position limit socket 7 ' is provided with the height-adjustable stop screw 7a ' that unclamps, and it is corresponding that the belt of the height that unclamps stop screw 7a ' and swing seat 3 unclamps limit position.Setting is unclamped position limit socket 7 ' and is unclamped stop screw 7a ' and can prevent that motor 2 is too to the lopsidedness that unclamps belt.
Tensioning position limit socket 7 and unclamp position limit socket 7 ' in transportation process can be used for fixing motor cabinet and motor, in the time of operation as position limit socket.
Figure 3 shows that the user mode figure of belt automatic takeup on main frame, when hydraulic cylinder piston rod 6a shrinks, swing seat 3 rotates counterclockwise around swing seat hinging shaft 9, when motor shaft is rocked among the figure belt unlocked position A, because the centre distance between electrical machine belt pulley 1 and the main pulley 10 diminishes, so belt 11 unclamps.When hydraulic cylinder piston rod 6a extended, swing seat 3 clockwise rotated around swing seat hinging shaft 9, and motor shaft is rocked to belt tension position B among the figure, because the centre distance between electrical machine belt pulley 1 and the main pulley 10 becomes big, so belt 11 tensionings.
In addition to the implementation, the utility model can also have other mode of executions, can change cylinder into as oil hydraulic cylinder, and this belt automatic takeup can be used for multiple occasion, as motor belt tensioning of oil plant flaker or the like.All employings are equal to the technological scheme of replacement or equivalent transformation formation, all drop in the protection domain of the utility model requirement.
Claims (7)
1. belt automatic takeup, comprise motor and be installed in the electrical machine belt pulley of rotor axle head, it is characterized in that, the leg of described motor is fixedly connected on the swing seat, the bottom of described swing seat is hinged on the fixed base by swing seat hinging shaft, the parallel axes of described swing seat hinging shaft is equipped with oil hydraulic cylinder by the oil hydraulic cylinder seat in the center line of described motor on the sidewall of described fixed base, and the top of the piston rod of described oil hydraulic cylinder is hinged on the described swing seat.
2. belt automatic takeup according to claim 1, it is characterized in that, the both sides, bottom of described swing seat are respectively equipped with the swing seat lug of parallel opposed longer sides, be respectively equipped with the hinged axis hole that has an axis on the described two swing seat lugs, described swing seat hinging shaft passes described two hinged axis holes successively, its two ends are fixedly connected on respectively on the fixed base lug, and described fixed base lug is connected on the described fixed base.
3. belt automatic takeup according to claim 2 is characterized in that, described swing seat hinging shaft is positioned at the longitudinal middle part of described swing seat below.
4. according to claim 2 or 3 described belt automatic takeups, it is characterized in that described swing seat is provided with and the bolt hole of described motor leg waist shape elongated slot one to one, the length direction of described waist shape elongated slot is consistent with the direction of described motor center line.
5. according to claim 2 or 3 described belt automatic takeups, it is characterized in that, be installed with supporting base on the sidewall of described fixed base, described supporting base is positioned at the below of described oil hydraulic cylinder seat, by the supporting screw that has been threaded, described supporting screw withstands on the downside of described oil hydraulic cylinder seat on the described supporting base.
6. according to claim 2 or 3 described belt automatic takeups, it is characterized in that, one side of described fixed base is provided with the tensioning position limit socket, the top of described tensioning position limit socket is provided with height-adjustable tensioning stop screw, and the belt tension limit position of the height of described tensioning stop screw and described swing seat is corresponding.
7. belt automatic takeup according to claim 6, it is characterized in that, opposite side on the described fixed base is provided with and unclamps position limit socket, described top of unclamping position limit socket is provided with the height-adjustable stop screw that unclamps, and it is corresponding that the belt of described height that unclamps stop screw and described swing seat unclamps limit position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202904737U CN201810733U (en) | 2010-08-13 | 2010-08-13 | Automatic belt tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202904737U CN201810733U (en) | 2010-08-13 | 2010-08-13 | Automatic belt tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201810733U true CN201810733U (en) | 2011-04-27 |
Family
ID=43893675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202904737U Expired - Lifetime CN201810733U (en) | 2010-08-13 | 2010-08-13 | Automatic belt tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201810733U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102401098A (en) * | 2011-11-16 | 2012-04-04 | 宁波明润瑞达机械科技有限公司 | Transmission adjusting device |
| CN102678856A (en) * | 2012-05-30 | 2012-09-19 | 常林股份有限公司 | Belt/chain drive tension device assembly |
| CN104330256A (en) * | 2014-11-06 | 2015-02-04 | 无锡永凯达齿轮有限公司 | Automatic measuring and dowel mounting machine special for belt tightening pulley of automobile |
| CN104389964A (en) * | 2014-09-15 | 2015-03-04 | 昆山格天美治农机设备有限公司 | Automatic tensioning device for agricultural machine rotating wheel motor |
| CN106787432A (en) * | 2016-12-27 | 2017-05-31 | 重庆洋迪机电有限公司 | Anti-loosening generator |
-
2010
- 2010-08-13 CN CN2010202904737U patent/CN201810733U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102401098A (en) * | 2011-11-16 | 2012-04-04 | 宁波明润瑞达机械科技有限公司 | Transmission adjusting device |
| CN102678856A (en) * | 2012-05-30 | 2012-09-19 | 常林股份有限公司 | Belt/chain drive tension device assembly |
| CN102678856B (en) * | 2012-05-30 | 2015-05-06 | 常林股份有限公司 | Belt/chain drive tension device assembly |
| CN104389964A (en) * | 2014-09-15 | 2015-03-04 | 昆山格天美治农机设备有限公司 | Automatic tensioning device for agricultural machine rotating wheel motor |
| CN104330256A (en) * | 2014-11-06 | 2015-02-04 | 无锡永凯达齿轮有限公司 | Automatic measuring and dowel mounting machine special for belt tightening pulley of automobile |
| CN104330256B (en) * | 2014-11-06 | 2017-01-25 | 无锡永凯达齿轮有限公司 | Automatic measuring and dowel mounting machine special for belt tightening pulley of automobile |
| CN106787432A (en) * | 2016-12-27 | 2017-05-31 | 重庆洋迪机电有限公司 | Anti-loosening generator |
| CN106787432B (en) * | 2016-12-27 | 2019-04-02 | 重庆洋迪机电有限公司 | Anti-loosening generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: JIANGSU MYANDE FOOD MACHINERY CO., LTD. Free format text: FORMER NAME: JIANGSU MUYANG MYANDE FOOD MACHINERY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 225127 Ji'an Road, Hanjiang Industrial Park, Jiangsu, China, No. 198, No. Patentee after: Jiangsu Myande Food Machinery Co., Ltd. Address before: 225127 Ji'an Road, Hanjiang Industrial Park, Jiangsu, China, No. 198, No. Patentee before: Jiangsu Muyang Myande Food Machinery Co., Ltd. |
|
| C56 | Change in the name or address of the patentee |
Owner name: MAYANDE GROUP CO., LTD. Free format text: FORMER NAME: JIANGSU MYANDE FOOD MACHINERY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 225127 Ji'an Road, Hanjiang Industrial Park, Jiangsu, China, No. 198, No. Patentee after: Mayande Group Co., Ltd. Address before: 225127 Ji'an Road, Hanjiang Industrial Park, Jiangsu, China, No. 198, No. Patentee before: Jiangsu Myande Food Machinery Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110427 |
|
| CX01 | Expiry of patent term |