CN216930940U - Main clutch structure convenient to tension - Google Patents
Main clutch structure convenient to tension Download PDFInfo
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- CN216930940U CN216930940U CN202220387014.3U CN202220387014U CN216930940U CN 216930940 U CN216930940 U CN 216930940U CN 202220387014 U CN202220387014 U CN 202220387014U CN 216930940 U CN216930940 U CN 216930940U
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Abstract
The utility model relates to the technical field of grain harvesting machinery, in particular to a main clutch structure convenient to tension, wherein a belt tension pulley is abutted against a clutch belt; one end of the clutch oil cylinder is rotationally connected with a frame of the harvester, the other end of the clutch oil cylinder is connected with one end of a connecting piece through a telescopic mechanism, the other end of the connecting piece is rotationally connected with one end of a tensioning wheel rotating arm, and the other end of the tensioning wheel rotating arm is rotationally connected with the frame of the harvester; the rotating shaft of the belt tensioning wheel is rotatably connected with one end of the tensioning wheel rotating arm close to the clutch oil cylinder. The utility model has the beneficial effects that: the clutch oil cylinder and the connecting piece are connected through the telescopic mechanism, when the belt cannot be tensioned, the belt can be tensioned only by adjusting the telescopic mechanism, and the tensioning length can be adjusted in a large range. And the oil cylinder is not required to be disassembled for adjusting the belt tension, and the tensioning wheel tension can be adjusted by rotating the telescopic mechanism according to the actual state of the belt in the mechanism tensioning state, so that the belt tension can be accurately controlled.
Description
Technical Field
The utility model relates to the technical field of grain harvesting machinery, in particular to a main clutch structure convenient to tension.
Background
Belt drive is the mode commonly used in mechanical transmission, belt drive among the prior art is generally that the motor drives and is connected to the band pulley on the mechanical equipment through the belt and realize, current grain harvester is when the results, main separation and reunion belt is in the state of compressing tightly for a long time, long-time work belt can be elongated, the phenomenon of skidding can appear slackening, make belt wearing and tearing serious burn out even, influence the life of belt, need artifical periodic inspection and in time use the spanner adjustment, time waste relatively, bring adverse effect for transmission efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a main clutch structure convenient to tension, which can realize the tensioning of a belt by directly adjusting the extension of a telescopic mechanism without dismounting when the belt cannot be tensioned, and can accurately adjust the tension required by the belt.
The technical scheme for solving the technical problems is as follows: a main clutch structure convenient to tension comprises a clutch oil cylinder, a belt tensioning wheel, a tensioning wheel rotating arm and a clutch belt arranged on a belt driving wheel and a belt driven wheel, wherein the belt tensioning wheel is abutted against the clutch belt; one end of the clutch oil cylinder is rotationally connected with a frame of the harvester, the other end of the clutch oil cylinder is connected with one end of a connecting piece through a telescopic mechanism, the other end of the connecting piece is rotationally connected with one end of the tensioning wheel rotating arm, and the other end of the tensioning wheel rotating arm is rotationally connected with the frame of the harvester; and a rotating shaft of the belt tensioning wheel is rotationally connected with one end of the tensioning wheel rotating arm close to the clutch oil cylinder.
The utility model has the beneficial effects that: connect through telescopic machanism between clutch cylinder and connecting piece, when the belt can not the tensioning, need not dismantle, only need telescopic machanism to stretch out, can realize the tensioning of belt, simple structure realizes tensioning length adjustment on a large scale, and adjusts the belt tensioning and need not dismantle the hydro-cylinder, can accurate adjustment belt tension's function.
On the basis of the technical scheme, the utility model can be improved as follows.
Furthermore, telescopic machanism includes first sleeve pipe, the inner wall in first sleeve pipe's both ends is equipped with the anti-screw thread, first sheathed tube one end with clutch cylinder's output shaft threaded connection, first sheathed tube the other end with the one end threaded connection of connecting piece.
The beneficial effect of adopting the further scheme is that: the telescopic mechanism adopts the first sleeve pipe with reverse threads at two ends, when the tension of the belt needs to be adjusted, the distance between the output shaft of the clutch oil cylinder and the connecting piece can be adjusted by only rotating the first sleeve pipe, and therefore the tension of the belt can be adjusted.
Furthermore, the output shaft of the clutch oil cylinder and the connecting piece are in threaded connection with first limiting nuts, and the first limiting nuts are arranged outside the two ends of the first sleeve.
The beneficial effect of adopting the above further scheme is: the setting of first stop nut can be convenient for inject the position after adjusting.
Furthermore, telescopic machanism includes the second sleeve pipe, be equipped with the internal thread in the one end of second sleeve pipe, clutch cylinder's output shaft with the second sleeve pipe is equipped with internal thread's one end threaded connection, the other pot head of second sleeve pipe in one of connecting piece is served and with the connecting piece rotates to be connected.
The beneficial effect of adopting the above further scheme is: the second sleeve is in threaded connection with an output shaft of the clutch oil cylinder, and when the second sleeve is rotated, the telescopic distance is adjusted, so that the tension of a belt is adjusted.
Furthermore, a second limit nut is connected to the output shaft of the clutch oil cylinder in a threaded manner.
The beneficial effect of adopting the further scheme is that: the setting of second stop nut can be convenient for inject the position after adjusting.
Furthermore, telescopic machanism includes the third sleeve pipe, the one end of third sleeve pipe is equipped with the internal thread, the one end of connecting piece with the third sleeve pipe is equipped with internal thread's one end threaded connection, the other pot head of third sleeve pipe is established on clutch cylinder's the output shaft and with clutch cylinder's output shaft rotates and is connected.
The beneficial effect of adopting the further scheme is that: the third sleeve is in threaded connection with one end of the connecting piece, and the telescopic distance of the telescopic mechanism is adjusted by rotating the third sleeve, so that the tension of the belt is adjusted.
Furthermore, a third limiting nut is connected to the connecting piece in a threaded manner.
The beneficial effect of adopting the further scheme is that: the setting of third stop nut can be convenient for inject the position after adjusting.
Further, clutch cylinder keeps away from telescopic machanism's one end fixed connection connecting screw, the cover is equipped with the fixing base on the connecting screw, connecting screw with fixing base sliding connection, the fixing base rotates with the frame of harvester to be connected, the cover is equipped with compression spring on the connecting screw, compression spring establishes clutch cylinder with between the fixing base, connecting screw keeps away from clutch cylinder's one end is passed and is stretched threaded connection has fourth stop nut behind the fixing base.
The beneficial effect of adopting the further scheme is that: when the tensioning wheel rotating arm is pressed down by the clutch oil cylinder, after the belt tensioning wheel contacts the clutch belt, the output shaft of the clutch oil cylinder continues to extend, and the compression spring on the upper part of the clutch oil cylinder is compressed to enable the tension force of the belt to reach the standard.
Further, the connecting piece is a connecting shifting fork.
The beneficial effect of adopting the further scheme is that: the connecting piece adopts the connection shifting fork, is convenient for be connected with telescopic machanism and take-up pulley rocking arm.
Drawings
FIG. 1 is a schematic diagram of a main clutch structure before tensioning according to a first embodiment of the present invention;
FIG. 2 is a schematic view of the main clutch structure after tensioning according to the first embodiment of the present invention;
FIG. 3 is a schematic view of the installation of a compression spring in an embodiment of the present invention;
FIG. 4 is a schematic view of the second sleeve installed in a second embodiment of the present invention;
FIG. 5 is a schematic view of the third embodiment of the present invention illustrating the installation of the third sleeve;
in the drawings, the components represented by the respective reference numerals are listed below:
1. a clutch oil cylinder; 2. a belt tensioner; 3. a tensioning wheel rotating arm; 4. a belt driving wheel; 5. a belt driven pulley; 6. a belt is clutched; 7. a connecting member; 8. a first sleeve; 9. a first limit nut; 10. a second sleeve; 11. a second limit nut; 12. a third sleeve; 13. a third limit nut; 14. connecting a screw rod; 15. a fixed seat; 16. a compression spring; 17. and a fourth limit nut.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth to illustrate, but are not to be construed to limit the scope of the utility model.
Example one
As shown in fig. 1 and 2, the present embodiment includes a clutch cylinder 1, a belt tensioner pulley 2, a tensioner pulley rotating arm 3, and a clutch belt 6 mounted on a belt driving pulley 4 and a belt driven pulley 5, wherein the belt tensioner pulley 2 abuts on the clutch belt 6; one end of the clutch oil cylinder 1 is rotatably connected with a frame of the harvester, the other end of the clutch oil cylinder 1 is connected with one end of a connecting piece 7 through a telescopic mechanism, the other end of the connecting piece 7 is rotatably connected with one end of the tensioning wheel rotating arm 3, and the other end of the tensioning wheel rotating arm 3 is rotatably connected with the frame of the harvester; and a rotating shaft of the belt tensioning wheel 2 is rotatably connected with one end of the tensioning wheel rotating arm 3 close to the clutch oil cylinder 1. In particular, in this embodiment, the connection member 7 is a draw fork to facilitate connection with the telescoping mechanism and the tension pulley swivel arm 3.
Preferably, telescopic machanism includes first sleeve pipe 8, the both ends inner wall of first sleeve pipe 8 is equipped with the anti-screw thread, the one end of first sleeve pipe 8 with clutch cylinder 1's output shaft threaded connection, the other end of first sleeve pipe 8 with the one end threaded connection of connecting piece 7, telescopic machanism adopt both ends to have the first sleeve pipe 8 of anti-screw thread, when the tensile force of belt needs to be adjusted, only need rotate first sleeve pipe 8, realize the regulation of distance between clutch cylinder 1's output shaft and the connecting piece 7 to realize the regulation of belt tensile force. The clutch oil cylinder is characterized in that first limiting nuts 9 are connected to the output shaft of the clutch oil cylinder 1 and the connecting piece 7 in a threaded mode, the first limiting nuts 9 are arranged outside the two ends of the first sleeve 8, and the positions of the adjusted positions can be limited conveniently due to the arrangement of the first limiting nuts 9.
As shown in fig. 3, clutch cylinder 1 keeps away from telescopic machanism's one end fixed connection connecting screw 14, the cover is equipped with fixing base 15 on connecting screw 14, connecting screw 14 with 15 sliding connection of fixing base, fixing base 15 rotates with the frame of harvester to be connected, the cover is equipped with compression spring 16 on connecting screw 14, compression spring 16 establishes clutch cylinder 1 with between the fixing base 15, connecting screw 14 keeps away from clutch cylinder 1's one end is passed and is stretched threaded connection has fourth stop nut 17 behind the fixing base 15.
Before the operation, as shown in fig. 1, the clutch cylinder 1 contracts, the compression spring 16 at the upper part of the clutch cylinder 1 extends, the upper part is fixed at the upper part due to the limit of the upper part fourth limit nut 17, meanwhile, the tensioning wheel rotating arm 3 mechanism is lifted by the clutch cylinder 1, the clutch belt 6 is separated from the belt driving wheel 4 and the belt driven wheel, the power can not be transmitted, and the clutch is separated;
when the clutch device works, as shown in fig. 2, the clutch cylinder 1 extends, the tension pulley rotating arm 3 mechanism is pressed down by the clutch cylinder 1, after the belt tension pulley 2 contacts the clutch belt 6, the clutch cylinder 1 continues to extend, the compression spring 16 at the upper part of the clutch cylinder 1 is compressed to enable the tension force of the clutch belt 6 to reach the standard, and the clutch belt 6 can transmit and clutch with the power of the belt driving wheel 4 and the belt driven wheel.
This embodiment sets up the first sleeve pipe 8 that has anti-silk screw thread at clutch cylinder 1 and connection fork spare and as telescopic machanism, when separation and reunion belt 6 can not the tensioning, need not dismantle, only need unscrew the first stop nut 9 in both ends back, rotates first sleeve pipe 8, can realize the tensioning of separation and reunion belt 6 to the tensile force that adjustment separation and reunion belt 6 needs that can be accurate.
Example two
As shown in fig. 4, in this embodiment, the telescopic mechanism includes a second sleeve 10, an internal thread is provided in one end of the second sleeve 10, the output shaft of the clutch cylinder 1 is in threaded connection with one end of the second sleeve 10, which is provided with the internal thread, the other end of the second sleeve 10 is sleeved on one end of the connecting piece 7 and is rotationally connected with the connecting piece 7, and a second limit nut 11 is in threaded connection with the output shaft of the clutch cylinder 1. Second sleeve pipe 10 and clutch cylinder 1's output shaft threaded connection when rotating second sleeve pipe 10, realize the regulation of flexible distance to realize the regulation of belt tensile force, the setting up of second stop nut 11 can be convenient for inject the back position of adjusting.
EXAMPLE III
As shown in fig. 5, in this embodiment, the telescopic mechanism includes a third sleeve 12, one end of the third sleeve 12 is provided with an internal thread, one end of the connecting member 7 is in threaded connection with one end of the third sleeve 12 provided with the internal thread, the other end of the third sleeve 12 is sleeved on the output shaft of the clutch cylinder 1 and is rotatably connected with the output shaft of the clutch cylinder 1, and a third limit nut 13 is in threaded connection with the connecting member 7. The third sleeve 12 is in threaded connection with one end of the connecting piece 7, after the third limiting nut 13 is unscrewed, the third sleeve 12 is rotated to adjust the telescopic distance of the telescopic mechanism, so that the tensioning force of a belt is adjusted, and the position of the adjusted position can be conveniently limited by the third limiting nut 13.
According to the utility model, the clutch oil cylinder 1 and the connecting piece 7 are connected through the telescopic mechanism, when a belt cannot be tensioned, the belt can be tensioned without dismounting and only extending out of the telescopic mechanism, the structure is simple, the tensioning length can be adjusted in a large range, the oil cylinder is not required to be dismounted when the belt is tensioned, and the function of accurately adjusting the belt tensioning degree can be realized.
In the description of the present invention, it is to be understood that the terms "center", "length", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "inner", "outer", "peripheral side", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and simplicity of description, and do not indicate or imply that the system or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. A main clutch structure convenient to tension is characterized by comprising a clutch oil cylinder (1), a belt tensioning wheel (2), a tensioning wheel rotating arm (3) and a clutch belt (6) arranged on a belt driving wheel (4) and a belt driven wheel (5), wherein the belt tensioning wheel (2) is abutted against the clutch belt (6); one end of the clutch oil cylinder (1) is rotatably connected with a frame of the harvester, the other end of the clutch oil cylinder (1) is connected with one end of a connecting piece (7) through a telescopic mechanism, the other end of the connecting piece (7) is rotatably connected with one end of the tensioning wheel rotating arm (3), and the other end of the tensioning wheel rotating arm (3) is rotatably connected with the frame of the harvester; and a rotating shaft of the belt tensioning wheel (2) is rotatably connected with one end of the tensioning wheel rotating arm (3) close to the clutch oil cylinder (1).
2. The main clutch structure convenient for tensioning according to claim 1, wherein the telescopic mechanism comprises a first sleeve (8), reverse threads are arranged on inner walls of two ends of the first sleeve (8), one end of the first sleeve (8) is in threaded connection with an output shaft of the clutch cylinder (1), and the other end of the first sleeve (8) is in threaded connection with one end of the connecting piece (7).
3. The main clutch structure convenient for tensioning according to claim 2, wherein the output shaft of the clutch cylinder (1) and the connecting piece (7) are both in threaded connection with a first limit nut (9), and the first limit nuts (9) are arranged outside two ends of the first sleeve (8).
4. The main clutch structure convenient to tension as claimed in claim 1, wherein the telescopic mechanism comprises a second sleeve (10), an internal thread is arranged in one end of the second sleeve (10), the output shaft of the clutch cylinder (1) is in threaded connection with the end of the second sleeve (10) provided with the internal thread, and the other end of the second sleeve (10) is sleeved on one end of the connecting piece (7) and is rotatably connected with the connecting piece (7).
5. The main clutch structure facilitating tensioning according to claim 4, characterized in that a second limit nut (11) is connected to the output shaft of the clutch cylinder (1) in a threaded manner.
6. The main clutch structure convenient to tension as claimed in claim 1, wherein the telescopic mechanism comprises a third sleeve (12), one end of the third sleeve (12) is provided with an internal thread, one end of the connecting member (7) is in threaded connection with one end of the third sleeve (12) provided with an internal thread, and the other end of the third sleeve (12) is sleeved on the output shaft of the clutch cylinder (1) and is rotatably connected with the output shaft of the clutch cylinder (1).
7. A main clutch structure facilitating tensioning according to claim 6, characterized in that a third limit nut (13) is connected to the connecting piece (7) in a threaded manner.
8. A make things convenient for main separation and reunion structure of tensioning according to any one of claims 1 to 7, characterized in that, clutch cylinder (1) is kept away from the one end of telescopic machanism's one end fixed connection connecting screw (14), the cover is equipped with fixing base (15) on connecting screw (14), connecting screw (14) with fixing base (15) sliding connection, fixing base (15) are connected with the frame rotation of harvester, the cover is equipped with compression spring (16) on connecting screw (14), compression spring (16) are established clutch cylinder (1) with between fixing base (15), connecting screw (14) are kept away from clutch cylinder (1)'s one end is passed and is stretched out screw thread connection has fourth stop nut (17) behind fixing base (15).
9. A main clutch structure facilitating tensioning according to any one of claims 1 to 7, characterized in that the connecting piece (7) is a clevis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220387014.3U CN216930940U (en) | 2022-02-24 | 2022-02-24 | Main clutch structure convenient to tension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220387014.3U CN216930940U (en) | 2022-02-24 | 2022-02-24 | Main clutch structure convenient to tension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216930940U true CN216930940U (en) | 2022-07-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220387014.3U Active CN216930940U (en) | 2022-02-24 | 2022-02-24 | Main clutch structure convenient to tension |
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| Country | Link |
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| CN (1) | CN216930940U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115153394A (en) * | 2022-08-17 | 2022-10-11 | 湖南省华芯医疗器械有限公司 | Deflection adjusting mechanism, handle, endoscope and endoscope using method |
-
2022
- 2022-02-24 CN CN202220387014.3U patent/CN216930940U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115153394A (en) * | 2022-08-17 | 2022-10-11 | 湖南省华芯医疗器械有限公司 | Deflection adjusting mechanism, handle, endoscope and endoscope using method |
| CN115153394B (en) * | 2022-08-17 | 2023-12-26 | 湖南省华芯医疗器械有限公司 | Deflection adjusting mechanism, handle, endoscope and using method of endoscope |
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Address after: 261206 No. 192 South Beihai Road, Fangzi District, Shandong, Weifang Patentee after: Weichai Lovol Intelligent Agricultural Technology Co.,Ltd. Address before: 261206 No. 192 South Beihai Road, Fangzi District, Shandong, Weifang Patentee before: Weichai leiwo Heavy Industry Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |