CN111853185B - Tensioning device and pulverizer - Google Patents
Tensioning device and pulverizer Download PDFInfo
- Publication number
- CN111853185B CN111853185B CN201910339934.0A CN201910339934A CN111853185B CN 111853185 B CN111853185 B CN 111853185B CN 201910339934 A CN201910339934 A CN 201910339934A CN 111853185 B CN111853185 B CN 111853185B
- Authority
- CN
- China
- Prior art keywords
- worm
- rotating seat
- swinging frame
- tensioning device
- seat
- 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.)
- Active
Links
- 210000000078 claw Anatomy 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 235000013339 cereals Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/42—Driving mechanisms; Roller speed control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H2007/0802—Actuators for final output members
- F16H2007/081—Torsion springs
Abstract
The invention relates to the technical field of grain mechanical equipment, and discloses a tensioning device and a pulverizer. The tensioning device comprises: a fixed seat (1); a support shaft (2); the rotating seat (3) is rotatably arranged on the supporting shaft and can apply acting force to the fixing seat so as to realize the rotation of the rotating seat through the obtained reaction force, thereby adjusting the tensioning device; the swinging frame (4) is rotatably arranged on the supporting shaft, the swinging frame is rotatably provided with a tensioning wheel, and the swinging frame is connected with the rotating seat through an elastic unit, so that the swinging frame can rotate in the same direction along with the rotating seat and opposite acting forces are generated between the swinging frame and the rotating seat. The device can be installed and used in the space for installing the rigid tensioning mechanism of the eccentric shaft in the existing pulverizer, makes up the blank in industry, and realizes the application of the elastic tensioning device in the pulverizer, in particular to an eight-roller pulverizer.
Description
Technical Field
The invention relates to the technical field of grain mechanical equipment, in particular to a tensioning device and a pulverizer.
Background
The eight-roller pulverizer is limited by the height and space of the equipment, the tensioning device of the transmission system always adopts an eccentric shaft rigid tensioning mode, and the realization of the elastic tensioning device on the pulverizer, particularly the eight-roller pulverizer, is always blank in the industry because the space occupied by the existing elastic tensioning device is large. Therefore, how to provide an elastic tensioning device for a pulverizer is a problem to be solved.
Disclosure of Invention
The invention aims to provide a tensioning device which is compact in structure and small in occupied space.
In order to achieve the above object, an aspect of the present invention provides a tensioning device, including:
a fixing seat;
a support shaft;
the rotating seat is rotatably arranged on the supporting shaft and can apply acting force to the fixing seat so as to realize the rotation of the rotating seat through the obtained reaction force, thereby adjusting the tensioning device;
the swing frame is rotatably arranged on the supporting shaft, a tensioning wheel is rotatably arranged on the swing frame, and the swing frame is connected with the rotating seat through an elastic unit, so that the swing frame can rotate in the same direction along with the rotating seat and opposite acting force is generated between the swing frame and the rotating seat.
Optionally, the rotating seat is rotatably provided with a worm, and the fixing seat is provided with a worm wheel piece meshed with the worm.
Optionally, the rotating seat is relatively provided with a worm hole and a worm cavity communicated with the worm hole and used for accommodating the worm, and two ends of the worm extend out of the worm hole.
Optionally, the worm is horizontally arranged on the rotating seat, and the worm wheel sheet is arc-shaped.
Optionally, the elastic unit includes around locating the torsional spring of back shaft, the one end joint of torsional spring in rotate the seat, the other end joint of torsional spring in swing frame.
Optionally, the torsional spring include the coil body and connect in the first jack catch and the second jack catch of coil body, rotate the seat include with the relative installation department that sets up of swing frame and orientation the first joint portion that the swing frame extends, be equipped with the cover on the swing frame and locate the second joint portion of first joint portion, first joint portion with corresponding position is run through on the second joint portion and is equipped with can stretch out the logical groove of first jack catch and second jack catch, first jack catch joint in first joint portion, the second jack catch joint in second joint portion.
Optionally, a fastener for limiting the relative rotation between the rotating seat and the fixed seat is detachably arranged between the rotating seat and the fixed seat.
Optionally, at least one of the fixing seat and the rotating seat is provided with a chute capable of adjusting the position of the fastening piece.
Optionally, a tensioning wheel shaft is arranged on the swing frame, and the tensioning wheel is rotatably arranged on the tensioning wheel shaft.
The invention also provides a flour mill, which comprises a mill body and the tensioning device according to any scheme, wherein the fixing seat and the supporting shaft are fixed on the mill body.
Through the technical scheme, the tensioning device mainly comprises the fixed seat, the rotating seat and the swinging frame, is compact in structure and small in occupied space, and the swinging frame can rotate in the same direction along with the rotating seat and generate opposite acting force between the swinging frame and the rotating seat by arranging the elastic unit between the swinging frame and the rotating seat, so that elastic tensioning of the tensioning wheel arranged on the swinging frame is realized. The device can be installed and used in the space for installing the rigid tensioning mechanism of the eccentric shaft in the existing pulverizer, makes up the blank in industry, and realizes the application of the elastic tensioning device in the pulverizer, in particular to an eight-roller pulverizer.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate the invention and together with the description serve to explain, without limitation, the invention. In the drawings:
FIG. 1 is a schematic view showing a structure in which a tensioning device according to an embodiment of the present invention is mounted to a mill body;
FIG. 2 is a cross-sectional view taken along the A-A plane of FIG. 1;
FIG. 3 is a side view of FIG. 1;
fig. 4 is a B-B side cross-sectional view of fig. 3.
Description of the reference numerals
1-fixing seat, 2-supporting shaft, 3-rotating seat, 4-swinging frame, 5-worm, 6-worm wheel sheet, 7-torsion spring, 8-fastener, 9-chute, 10-tensioning wheel shaft, 11-machine body, 12-tensioning wheel, 13-sealing sleeve, 14-bearing, 15-spacer bush, 16-pulling sleeve, 17-nut, 18-worm hole, 19-worm cavity, 20-installation part, 21-first clamping part and 22-second clamping part.
Detailed Description
The following describes specific embodiments of the present invention in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the invention, are not intended to limit the invention.
With reference to fig. 1-4, according to one aspect of the present invention, there is provided a tensioning device comprising:
a fixing seat 1;
a support shaft 2;
a rotating seat 3, wherein the rotating seat 3 is rotatably arranged on the supporting shaft 2, the rotating seat 3 can apply acting force to the fixed seat 1 so as to realize the rotation of the rotating seat 3 through the obtained reaction force, and thus the tensioning device is adjusted;
the swing frame 4, the swing frame 4 rotates and sets up on the back shaft 2, the last rotation of swing frame 4 is provided with the tight pulley 12 that rises, swing frame 4 with link to each other through the elastic element between the rotation seat 3, so that swing frame 4 can follow rotation seat 3 takes place the syntropy and swing frame 4 with produce opposite effort between the rotation seat 3.
In the adjustment process of the tensioning device, acting force is applied to the fixed seat 1 through the rotating seat 3, so that the rotating seat 3 rotates through the obtained reaction force, the angle between the rotating seat 3 and the swinging frame 4 is changed, the elastic unit is enabled to be deformed by traction force, the swinging frame 4 is driven to rotate in the same direction along with the rotating seat 3, meanwhile, opposite acting force can be generated between the swinging frame 4 and the rotating seat 3 due to the fact that the elastic unit is used for restoring the deformation, the swinging frame 4 is kept at a stable position under the action of the elastic unit, and elastic tensioning of the tensioning wheel 12 arranged on the swinging frame 4 is achieved.
In the use process, the linear components such as the tooth wedge belt are wound on the tensioning wheel 12, and the tensioning device is adjusted through the process, so that the tensioning of the linear components on the tensioning wheel 12 is realized.
It should be noted that, the direction of the force applied by the rotating base 3 to the fixing base 1 may be adjusted according to the actual requirement, so that the rotating base 3 rotates clockwise or counterclockwise around the supporting shaft 2 when receiving the reaction force of the fixing base 1 to the rotating base 3, but the swinging frame 4 will rotate in the same direction with the rotating base 3 no matter the rotating base 3 rotates clockwise or counterclockwise.
Through the technical scheme, the tensioning device mainly comprises the fixed seat, the rotating seat and the swinging frame, is compact in structure and small in occupied space, and the swinging frame can rotate in the same direction along with the rotating seat and generate opposite acting force between the swinging frame and the rotating seat by arranging the elastic unit between the swinging frame and the rotating seat, so that elastic tensioning of the tensioning wheel arranged on the swinging frame is realized. The device can be installed and used in the space for installing the rigid tensioning mechanism of the eccentric shaft in the existing pulverizer, makes up the blank in industry, and realizes the application of the elastic tensioning device in the pulverizer, in particular to an eight-roller pulverizer.
Of course, the rotating base 3 may apply a force to the fixing base 1 in any suitable manner, so long as it is ensured that the rotation of the rotating base 3 can be achieved in a state of receiving the reaction force of the fixing base 1 thereto, thereby changing the angle between the rotating base 3 and the swing frame 4. Specifically, in this embodiment, the rotating base 3 is rotatably provided with a worm 5, and the fixing base 1 is provided with a worm wheel 6 engaged with and connected to the worm 5.
Because the worm 5 is meshed with the worm wheel piece 6, the worm wheel piece 6 and the fixing seat 1 are fixed, and when the worm 5 is rotated, the worm 5 is subjected to the reaction force of the worm wheel piece 6, so that the worm 5 and the rotating seat 3 provided with the worm 5 rotate around the supporting shaft 2. It should be noted that, in order to enable the rotation of the rotation seat 3 with respect to the support shaft 2, the axial direction of the worm 5 needs to be perpendicular to the axial direction of the support shaft 2.
In this embodiment, for installing the worm 5, the rotating seat 3 is relatively provided with a worm hole 18 and a worm cavity 19 communicated with the worm hole 18 and used for accommodating the worm 5, and two ends of the worm 5 extend out of the worm hole 18. The worm cavity 19 can be used for accommodating not only the worm 5 but also the worm wheel 6 meshed with the worm 5, so that an avoidance space is reserved for the rotation process of the worm 5 and the rotation seat 3 relative to the worm wheel 6, and the normal rotation of the rotation seat 3 is ensured.
In order to enable the worm 5 to synchronously drive the rotating seat 3 to rotate under the condition of receiving the reaction force of the worm wheel piece 6, two ends, provided with threads, of the worm 5 are fixedly connected with the rotating seat 3 through sealing rings, so that the worm 5 can rotate relative to the rotating seat 3 only under the action of external torsion force on the end part, and in other conditions, such as the condition that the threaded part of the worm 5 receives the reaction force of the worm wheel piece 6, the worm 5 and the rotating seat 3 synchronously move.
In order to facilitate the adjustment of the worm 5, the worm 5 is horizontally arranged on the rotating seat 3, and the worm wheel 6 is arc-shaped. In this embodiment, the top end of the arc-shaped worm wheel 6 is engaged with the worm 5, however, in other embodiments, any other sawtooth portion of the arc-shaped worm wheel 6 may be engaged with the worm 5, so long as it is ensured that the acting force can be applied to the worm wheel 6 through the threaded portion during rotation of the worm 5 while the reaction force of the worm wheel 6 is applied. In addition, the worm wheel 6 is provided in an arc shape, and the worm 5 and the rotating base 3 can be prevented from being blocked by the worm wheel 6 during the rotation of the rotating base 3 relative to the support shaft 2, so that the threaded portion of the worm 5 can move along the outer edge of the worm wheel 6 during the rotation of the rotating base 3.
Of course, the elastic unit can be chosen arbitrarily on the basis of the connection achieved and the opposing forces provided to the swivel mount 3 and the swing frame 4. As one embodiment, the elastic unit includes a torsion spring 7 wound around the support shaft 2, one end of the torsion spring 7 is clamped to the rotating seat 3, and the other end of the torsion spring 7 is clamped to the swinging frame 4. Through the setting of torsional spring 7 to at the pivoted in-process of rotating seat 3, form opposite effort through torsional spring 7 between rotating seat 3 and swinging arms 4, make simultaneously through the connection of torsional spring 7 rotate in-process and can drive swinging arms 4 syntropy rotation, finally realize the regulation of swinging arms 4 position, realize the tight effect that rises of tight pulley 12.
As a common torsion spring structure, in this embodiment, the torsion spring 7 includes a coil body and first and second jaws connected to the coil body. In combination with the torsion spring structure, in order to realize the connection between the rotating seat 3 and the swinging frame 4 of the torsion spring 7, the rotating seat 3 comprises a mounting part 20 and a first clamping part 21, wherein the mounting part 20 is arranged opposite to the swinging frame 4, the first clamping part 21 extends towards the swinging frame 4, the swinging frame 4 is provided with a second clamping part 22 sleeved on the first clamping part 21, through grooves capable of extending out of the first clamping jaw and the second clamping jaw are formed in corresponding positions of the first clamping part 21 and the second clamping part 22, and the first clamping jaw is clamped to the first clamping part 21, and the second clamping jaw is clamped to the second clamping part 22. Specifically, the second claw is engaged with the second engaging portion 22 beyond the first engaging portion 21, thereby mounting the torsion spring 7.
It should be noted that, when the tensioning device is adjusted, the adjusting worm 5 does not need to be rotated again to realize the rotation of the rotating seat 3, so that a fastener 8 for limiting the relative rotation between the rotating seat 3 and the fixed seat 1 is detachably arranged between them. The fastening piece 8 can fasten the rotating seat 3 and the fixing seat 1 together without adjusting a tensioning device or in an adjusted state, and at the moment, the adjusting worm 5 does not play any role, so that the relative rotation between the rotating seat 3 and the fixing seat 1 is completely limited.
Further, at least one of the fixed seat 1 and the rotating seat 3 is provided with a chute 9 capable of adjusting the position of the fastening member 8.
When the worm 5 applies force to the worm wheel 6, the worm 5 is subjected to reaction force to drive the rotating seat 3 to rotate around the supporting shaft 2, after the rotating seat 3 rotates, the swinging frame 4 is driven to rotate in the same direction due to the connection of the torsion spring 7, and meanwhile, the rotating seat 3 and the swinging frame 4 are finally stabilized at fixed positions through the opposite action force provided between the torsion spring 7 and the rotating seat 3 and the swinging frame 4, so that the elastic tensioning of the tensioning wheel 12 is realized. In the adjusting process, the tightness of the linear units such as the toothed wedge belt on the tensioning wheel 12 can be detected at any time, if the linear units still have a loosening phenomenon, the worm 5 can be continuously rotated until the tightness of the linear units meets the use requirement, and then the rotating seat 3 is fixed through the fastener 8, so that the adjustment is completed.
It will be appreciated that when adjustment is required, the fastener 8 is loosened again, the worm 5 is rotated continuously, the angle between the swing frame 4 and the rotating base 3 is adjusted, and the above process is repeated.
In this embodiment, it is preferable that the fixing base 1 and the rotating base 3 are provided with the sliding grooves 9, and after the adjustment is completed or when the tensioning device is not needed to be adjusted, the fixing base 1 and the rotating base 3 may be completely limited and locked in this position by sequentially penetrating the fixing base 1 and the sliding grooves 9 on the rotating base 3 with the fastening piece 8 and fixing them to the rotating base 3 by threads or other manners.
It should be noted that, according to the actual needs, in order to achieve the tensioning of the linear unit on the tensioning wheel 12, the rotating seat 3 and the swinging frame 4 can be adjusted to rotate clockwise or anticlockwise relative to the supporting shaft 2, and meanwhile, the angle between the rotating seat 3 and the swinging frame 4 is adjusted, so that the worm 5 can be rotated clockwise or anticlockwise to achieve the rotation of the rotating seat 3 relative to the supporting shaft 2 in different directions, so that the angle between the rotating seat 3 and the swinging frame 4 is changed, and the linear unit on the tensioning wheel 12 is tensioned.
When the worm 5 is rotated clockwise in this state in conjunction with fig. 1, the rotating seat 3 is rotated clockwise with respect to the support shaft 2 as viewed from the left to the right in fig. 1, changing the angle between the rotating seat 3 and the swinging frame 4, and at this time, the swinging frame 4 is also rotated clockwise by the torsion spring 7; on the contrary, when the worm 5 is rotated counterclockwise, the rotating base 3 rotates counterclockwise with respect to the supporting shaft 2 as seen from left to right in fig. 1, and the angle between the rotating base 3 and the swinging frame 4 is changed as well, and at this time, the swinging frame 4 also rotates counterclockwise under the action of the torsion spring 7. It will be appreciated that, at the same time, when the worm 5 rotates more, the rotation amplitude of the rotating seat 3 relative to the supporting shaft 2 is greater, and correspondingly, the rotation amplitude of the swinging frame 4 relative to the supporting shaft 2 is also greater, so that the tensioning adjustment can be realized through rotation adjustment in different directions according to actual needs.
In this embodiment, the swing frame 4 is provided with a tensioner shaft 10, and the tensioner 12 is rotatably disposed on the tensioner shaft 10. The tensioning wheel shaft 10 is fixedly arranged on the swinging frame 4 through a pull sleeve 6 and a nut 17 which are arranged at the end parts, a bearing 14 and a spacer 15 are arranged on the tensioning wheel shaft 10, the tensioning wheel 12 is sleeved on the bearing 14 and the spacer 15, and further, two end parts of the tensioning wheel 12 are connected to the tensioning wheel shaft 10 through sealing sleeves 13.
In another aspect, the present invention provides a pulverizer, which includes a machine body 11 and the tensioning device according to any of the above schemes, wherein the fixing base 1 and the supporting shaft 2 are fixed on the machine body 11. Specifically, the support shaft 2 can pass through the fixed seat 1, the rotating seat 3 and the swinging frame 4 in sequence and be fixed on the machine body 11, and in the use process, the fixed seat 1 and the support shaft 2 are fixed relative to the machine body 11 all the time,
when the worm 5 rotates, the worm 5 applies an acting force to the worm wheel 6, and the worm 5 is simultaneously subjected to a reaction force of the worm wheel 6 to the worm wheel 6 as the worm wheel 6 and the fixed seat 1 are fixed, so that the rotating seat 3 is driven to rotate around the supporting shaft 2. After the rotating seat 3 rotates, the torsion spring 7 is connected with the torsion spring 7 to drive the swinging frame 4 to rotate in the same direction, and meanwhile, opposite acting force is provided between the rotating seat 3 and the swinging frame 4 through the torsion spring 7, so that the rotating seat 3 and the swinging frame 4 are stabilized at fixed positions, and finally, the elastic tensioning of the tensioning wheel 12 is realized.
The tensioning device disclosed by the invention has the advantages of compact structure, reliable performance and convenience in operation and maintenance, is convenient to apply to the eight-roller mill with a small transmission device installation space, fills the industry blank that the transmission system of the eight-roller mill cannot realize elastic tensioning, and can have proper tensioning force in the transmission process of the eight-roller mill, thereby avoiding the tooth wedge belt from jumping out and pulling out due to tooth disengagement. And through realizing eight roller milling machine's elasticity tensioning for system operation is more stable, has effectively improved spare part's such as grinding roller bearing, tooth wedge area life, has effectively shortened the maintenance cycle of equipment to equipment manufacturer, guarantees normal production, improves economic benefits.
The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the scope of the technical concept of the present invention, and all the simple modifications belong to the protection scope of the present invention.
In addition, the specific features described in the above embodiments may be combined in any suitable manner without contradiction. The various possible combinations of the invention are not described in detail in order to avoid unnecessary repetition.
Moreover, any combination of the various embodiments of the invention can be made without departing from the spirit of the invention, which should also be considered as disclosed herein.
Claims (9)
1. A tensioning device, comprising:
a fixed seat (1);
a support shaft (2);
the rotating seat (3) is rotatably arranged on the supporting shaft (2), and the rotating seat (3) can apply acting force to the fixed seat (1) so as to realize the rotation of the rotating seat (3) through the obtained reaction force, thereby adjusting the tensioning device;
the swinging frame (4) is rotatably arranged on the supporting shaft (2), a tensioning wheel (12) is rotatably arranged on the swinging frame (4), and the swinging frame (4) is connected with the rotating seat (3) through an elastic unit, so that the swinging frame (4) can rotate in the same direction along with the rotating seat (3) and opposite acting force is generated between the swinging frame (4) and the rotating seat (3);
the worm wheel type rotary table is characterized in that a worm (5) is rotationally arranged on the rotary seat (3), and a worm wheel piece (6) meshed with the worm (5) is fixedly arranged on the fixed seat (1).
2. A tensioning device according to claim 1, characterized in that the rotating seat (3) is provided with a worm hole (18) and a worm cavity (19) communicated with the worm hole (18) and used for accommodating the worm (5), and two ends of the worm (5) extend out of the worm hole (18).
3. A tensioning device according to claim 1, characterized in that the worm (5) is arranged horizontally on the rotating seat (3), the worm wheel (6) being arc-shaped.
4. The tensioning device according to claim 1, characterized in that the elastic unit comprises a torsion spring (7) wound around the supporting shaft (2), one end of the torsion spring (7) is clamped to the rotating seat (3), and the other end of the torsion spring (7) is clamped to the swinging frame (4).
5. The tensioning device according to claim 4, wherein the torsion spring (7) comprises a coil body and a first claw and a second claw which are connected to the coil body, the rotating seat (3) comprises a mounting portion (20) which is arranged opposite to the swinging frame (4) and a first clamping portion (21) which extends towards the swinging frame (4), the swinging frame (4) is provided with a second clamping portion (22) which is sleeved on the first clamping portion (21), through grooves which can extend out of the first claw and the second claw are formed in corresponding positions of the first clamping portion (21) and the second clamping portion (22), and the first claw is clamped on the first clamping portion (21) and the second claw is clamped on the second clamping portion (22).
6. A tensioning device according to claim 1, characterized in that a fastener (8) is detachably arranged between the swivel base (3) and the fixing base (1) for limiting the relative rotation between the two.
7. A tensioning device according to claim 6, characterized in that at least one of the fixed seat (1) and the rotating seat (3) is provided with a runner (9) capable of adjusting the position of the fastener (8).
8. The tensioning device according to claim 1, characterized in that the swing frame (4) is provided with a tensioning wheel shaft (10), and the tensioning wheel (12) is rotatably arranged on the tensioning wheel shaft (10).
9. A mill, characterized by comprising a body (11) and a tensioning device according to any one of claims 1-8, said fixed seat (1) and said supporting shaft (2) being fixed to said body (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910339934.0A CN111853185B (en) | 2019-04-25 | 2019-04-25 | Tensioning device and pulverizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910339934.0A CN111853185B (en) | 2019-04-25 | 2019-04-25 | Tensioning device and pulverizer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111853185A CN111853185A (en) | 2020-10-30 |
| CN111853185B true CN111853185B (en) | 2024-01-16 |
Family
ID=72951408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910339934.0A Active CN111853185B (en) | 2019-04-25 | 2019-04-25 | Tensioning device and pulverizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111853185B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB541583A (en) * | 1940-07-29 | 1941-12-02 | Thomas Robinson & Son Ltd | Improvements relating to the drives of the rolls of roller mills |
| JPH07286646A (en) * | 1994-02-28 | 1995-10-31 | Ntn Corp | Friction member of automatic tensionner |
| JPH11159587A (en) * | 1997-11-28 | 1999-06-15 | Koyo Seiko Co Ltd | Belt tensioner mechanism |
| JP2008051122A (en) * | 2006-08-22 | 2008-03-06 | Kubota Corp | Belt tension device for engine |
| WO2014063560A1 (en) * | 2012-10-23 | 2014-05-01 | 中粮工程装备（张家口）有限公司 | Mill roller transmission mechanism and mill comprising the mechanism |
| CN103775580A (en) * | 2012-10-23 | 2014-05-07 | 中粮工程装备（张家口）有限公司 | Flour mill roller transmission mechanism and flour mill |
| CN104358848A (en) * | 2014-10-14 | 2015-02-18 | 浙江大学 | Automatic adjustment type steel wire rope tensioning device |
| WO2016097816A2 (en) * | 2013-03-10 | 2016-06-23 | Eduardo Gonzalez | String tensioning using moveable gears |
| CN205479184U (en) * | 2016-01-25 | 2016-08-17 | 李冬清 | Novel improve tight pulley that rises of structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013205246B3 (en) * | 2013-03-25 | 2014-05-15 | Autoliv Development Ab | belt tensioner drive |
-
2019
- 2019-04-25 CN CN201910339934.0A patent/CN111853185B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB541583A (en) * | 1940-07-29 | 1941-12-02 | Thomas Robinson & Son Ltd | Improvements relating to the drives of the rolls of roller mills |
| JPH07286646A (en) * | 1994-02-28 | 1995-10-31 | Ntn Corp | Friction member of automatic tensionner |
| JPH11159587A (en) * | 1997-11-28 | 1999-06-15 | Koyo Seiko Co Ltd | Belt tensioner mechanism |
| JP2008051122A (en) * | 2006-08-22 | 2008-03-06 | Kubota Corp | Belt tension device for engine |
| WO2014063560A1 (en) * | 2012-10-23 | 2014-05-01 | 中粮工程装备（张家口）有限公司 | Mill roller transmission mechanism and mill comprising the mechanism |
| CN103775580A (en) * | 2012-10-23 | 2014-05-07 | 中粮工程装备（张家口）有限公司 | Flour mill roller transmission mechanism and flour mill |
| WO2016097816A2 (en) * | 2013-03-10 | 2016-06-23 | Eduardo Gonzalez | String tensioning using moveable gears |
| CN104358848A (en) * | 2014-10-14 | 2015-02-18 | 浙江大学 | Automatic adjustment type steel wire rope tensioning device |
| CN205479184U (en) * | 2016-01-25 | 2016-08-17 | 李冬清 | Novel improve tight pulley that rises of structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111853185A (en) | 2020-10-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7437962B2 (en) | Spindle or worm drive for adjusting devices in motor vehicles | |
| US8479332B2 (en) | Support device which is adjustable by an electric motor | |
| CN208276680U (en) | A kind of belt sander abrasive band perimeter adaptive device | |
| CN104727687A (en) | Fixing device for adjusting clearance compensation of drive mechanism | |
| CN111853185B (en) | Tensioning device and pulverizer | |
| CN210849224U (en) | Clamping device for manufacturing and processing spare and accessory parts | |
| CN203656079U (en) | Tensioning device for tensioning wheel | |
| JP2006027577A (en) | Electric power steering device | |
| CN208845655U (en) | A kind of synchronous belt tensile force adjusting mechanism and video camera | |
| CN109528143A (en) | Regulating mechanism and shoe washing machine for shoe washing machine | |
| CN201937370U (en) | Tension type generator fixing bracket | |
| CN111434323B (en) | Adjustable waist mechanism and exoskeleton robot using same | |
| JP4032827B2 (en) | Seat vertical device | |
| CN109803853B (en) | Transmission device for spindle drive, spindle drive and vehicle seat | |
| CN105065592B (en) | A kind of belt automatically adjusts tensioning apparatus | |
| JP2013095395A (en) | Electric power steering device | |
| CN208528493U (en) | Screw disassemblerassembler | |
| CN112474686A (en) | Adjustable cleaning clamp | |
| US10227028B1 (en) | Side protection adjusting device for seat | |
| CN217122906U (en) | Automobile transmission shaft machining clamping device | |
| CN218409327U (en) | Rotating shaft positioning limiting mechanism, rotating device and rotating screen | |
| CN108357401B (en) | Car seat back waist holds in palm adjusting device | |
| CN109322974A (en) | Tensioning apparatus | |
| CN214355431U (en) | Compressor installation device, air conditioning system and engineering machinery | |
| CN210830346U (en) | Tensioning adjuster and synchronous belt transmission device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |