CN212709956U - Helicopter driving belt tensioning structure - Google Patents
Helicopter driving belt tensioning structure Download PDFInfo
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- CN212709956U CN212709956U CN202021208609.5U CN202021208609U CN212709956U CN 212709956 U CN212709956 U CN 212709956U CN 202021208609 U CN202021208609 U CN 202021208609U CN 212709956 U CN212709956 U CN 212709956U
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Abstract
The utility model relates to a helicopter driving belt tensioning structure, which comprises an engine horizontally arranged, wherein the output end of the engine is connected with an outer driving wheel through a belt, one side of the outer driving wheel is meshed with a transmission case, and a propeller is fixed at the upper end of the transmission case; the tensioning assemblies are fixedly arranged on two sides of the middle lower part of the belt and comprise a fixed assembly and a movable assembly, and the fixed assembly and the movable assembly are symmetrically arranged on two sides of the belt; the movable assembly comprises a first upright post, a telescopic cylinder and a first tensioning wheel; the telescopic cylinder one end fixed set up on first stand, telescopic cylinder's output fixed first straining pulley, first straining pulley surface and belt outer wall contact. This helicopter drive belt tensioning structure, simple structure when can effectual guarantee belt pulley's power take off, improves the life of whole belt and belt pulley, is convenient for extensively promote and use.
Description
Technical Field
The utility model belongs to the technical field of tension structure's technique and specifically relates to a helicopter drive belt tension structure.
Background
The tension decoupling strand is a device for adjusting the power transmission process of the belt pulley. At present, in the manufacturing process of a helicopter, belt pulleys are directly adopted for connection and transmission, and a tensioning structure is not arranged temporarily, so that the condition that the belt pulleys are too tight or too loose often occurs in the assembling process of the helicopter, the power output of the belt pulleys is directly influenced, and great inconvenience is brought to the normal power output of the helicopter; the service life of the pulleys and belts is also greatly affected.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: in order to solve the problems existing in the background technology, the tensioning structure for the transmission belt of the helicopter is provided, has a simple structure, can effectively ensure the power output of the belt pulley, prolongs the service life of the whole belt and the belt pulley, and is convenient to widely popularize and use.
The utility model provides a technical scheme that its technical problem adopted is: a helicopter transmission belt tensioning structure comprises an engine which is horizontally arranged, wherein the output end of the engine is connected with an outer transmission wheel through a belt, one side of the outer transmission wheel is meshed and connected with a transmission case, and a propeller is fixed at the upper end of the transmission case; the tensioning assemblies are fixedly arranged on two sides of the middle lower part of the belt and comprise a fixed assembly and a movable assembly, and the fixed assembly and the movable assembly are symmetrically arranged on two sides of the belt; the movable assembly bag
The device comprises a first upright post, a telescopic cylinder and a first tensioning wheel; the telescopic cylinder one end fixed set up on first stand, telescopic cylinder's output fixed first straining pulley, first straining pulley surface and belt outer wall contact.
Further, in the above technical solution, the fixing assembly includes a second upright, a connecting rod, and a second tensioning wheel; one end of the connecting rod is fixedly arranged on the second upright post, the other end of the second upright post is fixedly connected with a second tensioning wheel, and the surface of the second tensioning wheel is in contact with the outer wall of the belt.
Further, in the technical scheme, a plurality of tooth blocks are uniformly arranged on the inner side of the belt along the length direction.
Further, in the technical scheme, the outer driving wheel is provided with a groove, and the belt is embedded in the groove in the outer driving wheel to realize fixed transmission.
Further inject, in the above technical scheme, one side of the first tension wheel still set up fixed cover, the first tension wheel cover establish the output of telescopic cylinder through fixed cover and carry out fixed connection.
The utility model has the advantages that: the utility model provides a pair of helicopter drive belt tensioning structure, simple structure when can effectual guarantee belt pulley's power take off, improves the life of whole belt and belt pulley, is convenient for extensively promote and use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of a portion of the belt of FIG. 1;
fig. 3 is a schematic structural view of the outer transmission wheel in fig. 1.
The reference numbers in the drawings are: 1. the engine, 2, the belt, 3, the outer drive wheel, 4, the transmission case, 5, the screw, 6, first stand, 7, telescopic cylinder, 8, first take-up pulley, 9, second stand, 10, connecting rod, 11, second take-up pulley, 12, the tooth piece, 13, recess, 14, fixed cover.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the present application, the engine 1 and the telescopic cylinder 7 are directly mounted and used after being purchased from the market according to specific models.
Referring to fig. 1, 2 and 3, a helicopter transmission belt tensioning structure is shown, which comprises a horizontal arrangement
The output end of the engine 1 is connected with an outer driving wheel 3 through a belt 2, one side of the outer driving wheel 3 is meshed and connected with a transmission case 4, and a propeller 5 is fixed at the upper end of the transmission case 4; the two sides of the middle lower part of the belt 2 are fixedly provided with tensioning assemblies, each tensioning assembly comprises a fixed assembly and a movable assembly, and the fixed assemblies and the movable assemblies are symmetrically arranged on the two sides of the belt 2; the movable assembly comprises a first upright post 6, a telescopic cylinder 7 and a first tension wheel 8; one end of a telescopic cylinder 7 is fixedly arranged on the first upright post 6, and the output end of the telescopic cylinder 7 is fixedly provided with a first tension wheel 8 and a first tension wheel
The surface of the tension wheel 8 is contacted with the outer wall of the belt 2.
The fixing assembly comprises a second upright post 9, a connecting rod 10 and a second tensioning wheel 11; connecting rod 10
One end of the second vertical post 9 is fixedly arranged, the other end of the second vertical post 9 is fixedly connected with a second tension wheel 11 and a second
The surface of the tension wheel 11 is contacted with the outer wall of the belt 2. A plurality of tooth blocks are uniformly arranged on the inner side of the belt 2 along the length direction
12. The outer driving wheel 3 is provided with a groove 13, and the belt 2 is embedded in the groove 13 on the outer driving wheel 3 to realize fixed transmission. A fixing sleeve 14 is further arranged on one side of the first tensioning wheel 8, and the first tensioning wheel 8 is fixedly connected with the output end of the telescopic cylinder 7 in a sleeved mode through the fixing sleeve 14.
The usage principle of the helicopter transmission belt tensioning structure is as follows:
firstly, when people need to adjust through the tensioning assembly, the operation of the telescopic cylinder 7 can be controlled through the external control mechanism, and the telescopic cylinder 7 extends out, so that the first tensioning wheel 8 is ejected out and the second tensioning wheel 8 is ejected out
The distance between the tension pulleys 11 becomes smaller, so that the belt 2 can be tightened more, and the transmission efficiency in the whole transmission process is improved.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A helicopter driving belt tensioning structure which characterized in that: the engine comprises an engine which is horizontally arranged, wherein the output end of the engine is connected with an outer driving wheel through a belt, one side of the outer driving wheel is meshed and connected with a transmission case, and a propeller is fixed at the upper end of the transmission case; the tensioning assemblies are fixedly arranged on two sides of the middle lower part of the belt and comprise a fixed assembly and a movable assembly, and the fixed assembly and the movable assembly are symmetrically arranged on two sides of the belt; the movable assembly comprises a first upright post, a telescopic cylinder and a first tensioning wheel; the telescopic cylinder one end fixed set up on first stand, telescopic cylinder's output fixed first straining pulley, first straining pulley surface and belt outer wall contact.
2. A helicopter drive belt tensioning arrangement according to claim 1, characterised in that: the fixing assembly comprises a second upright post, a connecting rod and a second tensioning wheel; one end of the connecting rod is fixedly arranged on the second upright post, the other end of the second upright post is fixedly connected with a second tensioning wheel, and the surface of the second tensioning wheel is in contact with the outer wall of the belt.
3. A helicopter drive belt tensioning arrangement according to claim 1, characterised in that: the inner side of the belt is uniformly provided with a plurality of tooth blocks along the length direction.
4. A helicopter drive belt tensioning arrangement according to claim 1, characterised in that: the outer driving wheel is provided with a groove, and the belt is embedded in the groove in the outer driving wheel to realize fixed transmission.
5. A helicopter drive belt tensioning arrangement according to claim 1, characterised in that: one side of the first tensioning wheel is further provided with a fixing sleeve, and the first tensioning wheel is fixedly connected with the output end of the telescopic cylinder through the fixing sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021208609.5U CN212709956U (en) | 2020-06-28 | 2020-06-28 | Helicopter driving belt tensioning structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021208609.5U CN212709956U (en) | 2020-06-28 | 2020-06-28 | Helicopter driving belt tensioning structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212709956U true CN212709956U (en) | 2021-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021208609.5U Active CN212709956U (en) | 2020-06-28 | 2020-06-28 | Helicopter driving belt tensioning structure |
Country Status (1)
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| CN (1) | CN212709956U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115159036A (en) * | 2022-07-30 | 2022-10-11 | 海控三鑫(蚌埠)新能源材料有限公司 | Attached material cleaning device of belt feeder |
-
2020
- 2020-06-28 CN CN202021208609.5U patent/CN212709956U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115159036A (en) * | 2022-07-30 | 2022-10-11 | 海控三鑫(蚌埠)新能源材料有限公司 | Attached material cleaning device of belt feeder |
| CN115159036B (en) * | 2022-07-30 | 2024-02-20 | 海控三鑫(蚌埠)新能源材料有限公司 | Attached material cleaning device of belt feeder |
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