CN111156298A - Bidirectional adjustable belt tensioning device - Google Patents
Bidirectional adjustable belt tensioning device Download PDFInfo
- Publication number
- CN111156298A CN111156298A CN202010048863.1A CN202010048863A CN111156298A CN 111156298 A CN111156298 A CN 111156298A CN 202010048863 A CN202010048863 A CN 202010048863A CN 111156298 A CN111156298 A CN 111156298A
- Authority
- CN
- China
- Prior art keywords
- frame
- screw rod
- tensioning
- main frame
- belt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000002457 bidirectional effect Effects 0.000 title abstract description 8
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
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
- F16H7/12—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley
- F16H7/1254—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley without vibration damping means
- F16H7/1263—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley without vibration damping means where the axis of the pulley moves along a substantially straight path
- F16H7/1272—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley without vibration damping means where the axis of the pulley moves along a substantially straight path with means for impeding reverse motion
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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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
- F16B39/04—Locking of screws, bolts or nuts in which the locking takes place after screwing down with a member penetrating the screw-threaded surface of at least one part, e.g. a pin, a wedge, cotter-pin, screw
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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
- F16H7/18—Means for guiding or supporting belts, ropes, or chains
- F16H7/20—Mountings for rollers or pulleys
Abstract
The invention discloses a bidirectional adjustable belt tensioning device, and belongs to the technical field of belt transmission. The device comprises a main frame, a U-shaped frame, a tensioning assembly and an adjusting assembly, wherein the U-shaped frame is located on the inner side of the main frame and is in sliding connection with the main frame, the tensioning assembly is arranged at the U-shaped opening end of the U-shaped frame, and the adjusting assembly is arranged on the main frame and is movably connected with the U-shaped frame through a connecting piece. The transverse position of the tensioning wheel can be quickly adjusted by rotating the transverse screw rod, the axial position of the tensioning wheel can be quickly adjusted by adjusting the positions of the two locking nuts, and the debugging process of the tensioning device is time-saving and labor-saving; the tensioning device can tension the belt from the inner side of the belt and can tension the belt from the outer side of the belt, and the application range is wider.
Description
Technical Field
The invention relates to a bidirectional adjustable belt tensioning device, and belongs to the technical field of belt transmission.
Background
The belt transmission has the advantages of simple structure, convenient installation, low cost and the like, and is widely applied to the field of mechanical transmission, such as power transmission of an engine and a transmission. Because the belt has certain elasticity, in order to avoid slipping and ensure the transmission efficiency of the belt, a corresponding tensioning device is required to be equipped to ensure that the belt continuously has certain tensioning force. For example, chinese patent publication No. CN202992062U discloses a variable angle belt tensioner, which comprises: the twist grip, the lead screw, the support, the translation frame, the nut, braced frame, pivot bolt and take-up pulley, the top of lead screw is connected to the twist grip, the lead screw is installed on the support, translation frame has welded the screw in the middle part, lead screw and screw cooperation, there is the stand the support both sides, translation frame both sides have the pipe, the stand inserts in the pipe, its cooperation is clearance fit, the braced frame top has a screw rod, this screw rod inserts in the translation frame middle part hole, go into the nut on the screw rod, it is fixed with braced frame, open the braced frame bottom has the round hole, the installation take-up pulley, the pivot bolt inserts in the round hole as the axle of take-up pulley, the. The clearance fit of pivot bolt and take-up pulley in the belt tightener of variable angle, the take-up pulley free rotation can guarantee the belt tensioning when belt pulley becomes different angles with ground.
However, when the device is used for tensioning a belt with high installation accuracy requirement in the width direction, like a synchronous belt, the axial position of the tensioning wheel cannot be adjusted, so that the debugging process of the tensioning device is time-consuming and labor-consuming; in addition, the tensioning wheel can only be used for tensioning the outer side of the belt, and the application range is narrow.
Disclosure of Invention
In order to solve the technical problem, the invention provides a bidirectional adjustable belt tensioning device.
The invention is realized by the following technical scheme:
the utility model provides a belt tightener with adjustable it is two-way, includes main frame, U type frame, tensioning component and adjusting part, U type frame is located the inboard of main frame to with main frame sliding connection, tensioning component establishes the U type open end at U type frame, adjusting part establishes on the main frame, and through connecting piece and U type frame swing joint.
The main frame is a square frame.
The square frame comprises a lower guide rail and an upper guide rail which are arranged side by side, and the upper guide rail is connected with the lower guide rail through two support rods.
The U-shaped frame comprises a square pull rod and two sliding blocks, the two sliding blocks are arranged side by side, and the two sliding blocks are connected through the square pull rod.
The tensioning assembly comprises a longitudinal screw rod, a tensioning wheel and a shaft sleeve, the shaft sleeve is sleeved on the longitudinal screw rod, the tensioning wheel is sleeved on the shaft sleeve through a ball bearing, and locking nuts are arranged at two ends of the shaft sleeve on the longitudinal screw rod.
And a notch is formed in the outer circle of the tensioning wheel along the circumferential direction.
And the locking nut is in threaded connection with a jackscrew A.
The adjusting component comprises a transverse screw rod, one end of the transverse screw rod is provided with a handle, the other end of the transverse screw rod is provided with a square hole along the axial direction, and a pin hole A is arranged at the position corresponding to the square hole along the radial direction.
The connecting piece is a T-shaped stop pin, and a pin hole B is formed in the T-shaped stop pin along the radial direction.
And a jackscrew B is in threaded connection with the main frame at a position corresponding to the adjusting component.
The invention has the beneficial effects that: the transverse position of the tensioning wheel can be quickly adjusted by rotating the transverse screw rod, the axial position of the tensioning wheel can be quickly adjusted by adjusting the positions of the two locking nuts, and the debugging process of the tensioning device is time-saving and labor-saving; the tensioning device can tension the belt from the inner side of the belt and can tension the belt from the outer side of the belt, and the application range is wider.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic illustration of an explosive structure according to the present invention;
FIG. 3 is a schematic view of the inventive tensioner when positioned outside the belt and tensioning the belt;
fig. 4 is a schematic view of the inventive tensioner when positioned inside a belt and tensioning the belt.
In the figure: 1-lower guide rail, 2-upper guide rail, 3-support rod, 4-slide block, 5-square pull rod, 6-longitudinal screw rod, 7-tensioning wheel, 8-ball bearing, 9-locking nut, 10-T-shaped stop pin, 11-transverse screw rod, 12-handle and 13-shaft sleeve.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1 to 4, the bidirectional adjustable belt tensioner of the present invention comprises a main frame, a U-shaped frame, a tensioning assembly and an adjusting assembly, wherein the U-shaped frame is located inside the main frame and is slidably connected to the main frame, the tensioning assembly is installed at a U-shaped opening end of the U-shaped frame, and the adjusting assembly is installed on the main frame and is rotatably connected to the U-shaped frame through a connecting member.
The main frame is a square frame.
The square frame comprises a lower guide rail 1 and an upper guide rail 2 which are arranged side by side, and the upper guide rail 2 is connected with the lower guide rail 1 through two support rods 3. When in use, the upper guide rail 2, the lower guide rail 1 and the support rod 3 are connected through bolts. Square notches are processed on the upper guide rail 2 and the lower guide rail 1 along the length direction and are used for being in sliding connection with the sliding block 4. The mounting plates are welded on the front side and the rear side of the lower guide rail 2, through holes are machined in the mounting plates, and the tensioning device is mounted and fixed on other devices such as a machine body through bolts which are convenient to use.
The U-shaped frame comprises a square pull rod 5 and two sliding blocks 4, the two sliding blocks 4 are arranged side by side, and the two sliding blocks 4 are connected through the square pull rod 5. When the sliding block is used, the cross section of the sliding block 4 is in a convex shape, two square holes are processed on the sliding block 4, square bosses are correspondingly processed at two ends of the square pull rod 5 and the longitudinal screw 6, the square holes are used for accommodating and installing the square bosses, and the square pull rod 5 and the longitudinal screw 6 are prevented from rotating.
The tensioning assembly comprises a longitudinal screw rod 6, a tensioning wheel 7 and a shaft sleeve 13, the shaft sleeve 13 is sleeved on the longitudinal screw rod 6, the tensioning wheel 7 is sleeved on the shaft sleeve 13 through a ball bearing 8, and locking nuts 9 are mounted at two ends of the shaft sleeve 13 on the longitudinal screw rod 6. When the tensioning wheel device is used, the tensioning wheel 7 is sleeved on the shaft sleeve 13 through the ball bearing 8, so that the friction between the tensioning wheel 7 and the shaft sleeve 13 is reduced, and the tensioning wheel 7 can rotate freely. After the shaft sleeve 13 is sleeved on the longitudinal screw 6, the shaft sleeve can freely move along the length direction of the longitudinal screw 6, the two ends of the shaft sleeve 13 are limited by the two locking nuts 9, the positions of the two locking nuts 9 are adjusted, namely, the position of the shaft sleeve 13 on the longitudinal screw 6 can be adjusted, and further the axial position of the tension wheel 7 is adjusted.
And a notch is machined on the outer circle of the tension wheel 7 along the circumferential direction. The notch is used for accommodating the belt and limiting the width direction of the belt.
The locking nut 9 is in threaded connection with a jackscrew A. After the locking nut 9 is adjusted to a required position, the locking nut 9 is fixed on the longitudinal screw 6 through the jackscrew A, so that the locking nut 9 is prevented from rotating relative to the longitudinal screw 6, and the axial position of the tension pulley 7 is prevented from changing.
The adjusting component comprises a transverse screw rod 11, a handle 12 is installed at one end of the transverse screw rod 11, a square hole is machined at the other end of the transverse screw rod in the axial direction, and a pin hole A is machined at the position corresponding to the square hole in the radial direction. When in use, a threaded hole is processed in the middle of one of the support rods 3 and is used for being in threaded connection with the transverse screw 11.
The connecting piece is a T-shaped stop pin 10, and a pin hole B is machined in the T-shaped stop pin 10 along the radial direction. The middle part of the square pull rod 5 is provided with a unthreaded hole which is used for being rotationally connected with a T-shaped stop pin 10. One end of the T-shaped stop pin 10 penetrates through the unthreaded hole and is inserted into a square hole at the end part of the transverse screw 11, the T-shaped stop pin 10 is rotated to align the pin hole B with the pin hole A, and then the pin shaft penetrates through the pin hole A and the pin hole B, so that the connection work of the T-shaped stop pin 10 and the transverse screw 11 is completed.
And a jackscrew B is in threaded connection with the main frame at a position corresponding to the adjusting component. The transverse position of the tensioning wheel 7 (namely the radial position of the tensioning wheel 7) can be adjusted by rotating the transverse screw rod 11 through the handle 12, and after the transverse position of the tensioning wheel 7 is adjusted, the transverse screw rod 11 is locked and fixed through the jackscrew B, so that the transverse screw rod 11 is prevented from rotating, and the transverse position of the tensioning wheel 7 is prevented from changing.
The working principle or the using process of the bidirectional adjustable belt tensioning device is as follows:
the transverse position of the tensioning wheel 7 (namely the radial position of the tensioning wheel 7) can be adjusted by rotating the transverse screw rod 11 through the handle 12, so that the belt is loosened or tensioned, and after the transverse position of the tensioning wheel 7 is adjusted, the transverse screw rod 11 is locked and fixed through the jackscrew B, so that the transverse screw rod 11 is prevented from rotating, and the transverse position of the tensioning wheel 7 is prevented from changing. The positions of the two locking nuts 9 are adjusted, namely the positions of the shaft sleeve 13 on the longitudinal screw 6 can be adjusted, the axial position of the tensioning wheel 7 is further adjusted, after the axial position of the tensioning wheel 7 is adjusted in place according to the installation position of the belt, the locking nuts 9 are fixed on the longitudinal screw 6 through the jackscrews A, the locking nuts 9 are prevented from rotating relative to the longitudinal screw 6, and therefore the axial position of the tensioning wheel 7 is prevented from changing.
In conclusion, the bidirectional adjustable belt tensioning device provided by the invention can quickly adjust the transverse position of the tensioning wheel 7 by rotating the transverse screw 11, can quickly adjust the axial position of the tensioning wheel 7 by adjusting the positions of the two locking nuts 9, and is time-saving and labor-saving in the debugging process of the tensioning device; the tensioning device can tension the belt from the inner side of the belt and can tension the belt from the outer side of the belt, and the application range is wider.
Claims (10)
1. The utility model provides a belt tightener with adjustable it is two-way which characterized in that: including main frame, U type frame, tensioning assembly and adjusting part, U type frame is located the inboard of main frame to with main frame sliding connection, tensioning assembly establishes the U type open end at U type frame, adjusting part establishes on the main frame, and through connecting piece and U type frame swing joint.
2. The bi-directionally adjustable belt tensioner as claimed in claim 1, wherein: the main frame is a square frame.
3. The bi-directionally adjustable belt tensioner as claimed in claim 2, wherein: the square frame comprises a lower guide rail (1) and an upper guide rail (2) which are arranged side by side, and the upper guide rail (2) is connected with the lower guide rail (1) through two supporting rods (3).
4. The bi-directionally adjustable belt tensioner as claimed in claim 1, wherein: the U-shaped frame comprises a square pull rod (5) and two sliding blocks (4), the two sliding blocks (4) are arranged side by side, and the two sliding blocks (4) are connected through the square pull rod (5).
5. The bi-directionally adjustable belt tensioner as claimed in claim 1, wherein: the tensioning assembly comprises a longitudinal screw rod (6), a tensioning wheel (7) and a shaft sleeve (13), the shaft sleeve (13) is sleeved on the longitudinal screw rod (6), the tensioning wheel (7) is sleeved on the shaft sleeve (13) through a ball bearing (8), and locking nuts (9) are arranged at two ends of the shaft sleeve (13) on the longitudinal screw rod (6).
6. The bi-directionally adjustable belt tensioner as claimed in claim 5, wherein: and a notch is formed in the outer circle of the tension wheel (7) along the circumferential direction.
7. The bi-directionally adjustable belt tensioner as claimed in claim 5, wherein: and the locking nut (9) is in threaded connection with a jackscrew A.
8. The bi-directionally adjustable belt tensioner as claimed in claim 1, wherein: the adjusting component comprises a transverse screw rod (11), one end of the transverse screw rod (11) is provided with a handle (12), the other end of the transverse screw rod is provided with a square hole along the axial direction, and a pin hole A is arranged at the position corresponding to the square hole along the radial direction.
9. The bi-directionally adjustable belt tensioner as claimed in claim 1, wherein: the connecting piece is a T-shaped stop pin (10), and a pin hole B is formed in the T-shaped stop pin (10) in the radial direction.
10. The bi-directionally adjustable belt tensioner as claimed in claim 1, wherein: and a jackscrew B is in threaded connection with the main frame at a position corresponding to the adjusting component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010048863.1A CN111156298A (en) | 2020-01-16 | 2020-01-16 | Bidirectional adjustable belt tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010048863.1A CN111156298A (en) | 2020-01-16 | 2020-01-16 | Bidirectional adjustable belt tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111156298A true CN111156298A (en) | 2020-05-15 |
Family
ID=70563575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010048863.1A Pending CN111156298A (en) | 2020-01-16 | 2020-01-16 | Bidirectional adjustable belt tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111156298A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111650219A (en) * | 2020-06-28 | 2020-09-11 | 河南省锅炉压力容器安全检测研究院 | Portable metallography detects uses anchor clamps |
| CN114458741A (en) * | 2021-12-24 | 2022-05-10 | 红云红河烟草(集团)有限责任公司 | Tensioning wheel device for belt transmission |
| CN114889740A (en) * | 2022-03-30 | 2022-08-12 | 重庆隆鑫新能源科技有限公司 | Tensioning device and reverse three-wheeled electric motorcycle |
| CN115435999A (en) * | 2022-10-26 | 2022-12-06 | 中国航空工业集团公司北京长城计量测试技术研究所 | A remove test jig for test room flow field parameter test is used |
-
2020
- 2020-01-16 CN CN202010048863.1A patent/CN111156298A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111650219A (en) * | 2020-06-28 | 2020-09-11 | 河南省锅炉压力容器安全检测研究院 | Portable metallography detects uses anchor clamps |
| CN114458741A (en) * | 2021-12-24 | 2022-05-10 | 红云红河烟草(集团)有限责任公司 | Tensioning wheel device for belt transmission |
| CN114889740A (en) * | 2022-03-30 | 2022-08-12 | 重庆隆鑫新能源科技有限公司 | Tensioning device and reverse three-wheeled electric motorcycle |
| CN115435999A (en) * | 2022-10-26 | 2022-12-06 | 中国航空工业集团公司北京长城计量测试技术研究所 | A remove test jig for test room flow field parameter test is used |
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