CN220581612U - Unidirectional transmission gear box assembly - Google Patents
Unidirectional transmission gear box assembly Download PDFInfo
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- CN220581612U CN220581612U CN202320821648.XU CN202320821648U CN220581612U CN 220581612 U CN220581612 U CN 220581612U CN 202320821648 U CN202320821648 U CN 202320821648U CN 220581612 U CN220581612 U CN 220581612U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 42
- 230000007480 spreading Effects 0.000 claims abstract description 6
- 238000003892 spreading Methods 0.000 claims abstract description 6
- 230000000712 assembly Effects 0.000 abstract description 31
- 238000000429 assembly Methods 0.000 abstract description 31
- 230000007246 mechanism Effects 0.000 abstract description 3
- 239000004744 fabric Substances 0.000 description 21
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 11
- 238000004804 winding Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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Abstract
The utility model discloses a unidirectional transmission gear box assembly, which belongs to the technical field of gear boxes of spreading mechanisms and comprises a box body, wherein an input shaft, an intermediate shaft and an output shaft are sequentially connected in a rotating manner through a bearing in the box body, an upper input gear, a lower input gear and two groups of unidirectional transmission assemblies are arranged on the input shaft, the two groups of unidirectional transmission assemblies respectively act on the upper input gear and the lower input gear, the two groups of unidirectional transmission assemblies effectively transmit opposite power directions, an upper output gear and a lower output gear are arranged on the output shaft, the upper input gear is meshed with the upper output gear, and the intermediate shaft is provided with an intermediate gear meshed with the lower input gear and the lower output gear.
Description
Technical Field
The utility model relates to the technical field of gear boxes of spreading mechanisms, in particular to a unidirectional transmission gear box assembly.
Background
During the using process of covering the canvas of the haystack, the canvas coiled into a cylinder needs to be unreeled, at the moment, the master and slave driving rollers of the accessory synchronously rotate, the friction force formed by the coiled canvas coil and the driving rollers drives the canvas to move outwards, but because the canvas is soft and the driving rollers are away from the edges of the mechanism by a certain distance, the canvas at the outlet of the equipment is easy to be overlapped and piled, at the moment, a gear box is needed to control a cloth arranging roller and the driving rollers to feed cloth outwards in the same direction, and three rollers rotate in the same direction, so that the canvas is rapidly fed out of the equipment and covered on the surface of the haystack;
after finishing canvas work effect, when needing to roll up canvas, the gear box among the prior art control principal and subordinate drive roller synchronous rotation, the cloth arranging roller is unanimous inwards rolling with principal and subordinate drive roller this moment, and canvas and cloth arranging roller surface synchronous rotation, the two do not form effective relative sliding friction, can not form effective amortization effect for the cloth arranging requirement of rolling up and unrolling process can't be taken into account simultaneously to the cloth spreading roller.
Disclosure of Invention
In order to overcome the defects of the prior art, the technical problem to be solved by the utility model is to provide the unidirectional transmission gear box assembly which has a simple structure and low manufacturing cost, and can always control the output shafts of the cloth arranging rollers to keep the same rotation direction, so as to realize the cloth arranging requirements in the winding and unwinding process.
To achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a unidirectional transmission gearbox assembly, which comprises a box body, wherein an input shaft, a middle shaft and an output shaft are sequentially connected in a rotating way through a bearing in the box body, an upper input gear, a lower input gear and two groups of unidirectional transmission assemblies are arranged on the input shaft, the two groups of unidirectional transmission assemblies respectively act on the upper input gear and the lower input gear, the two groups of unidirectional transmission assemblies effectively transmit opposite power steering, and an upper output gear and a lower output gear are arranged on the output shaft;
the upper input gear is meshed with the upper output gear, the intermediate shaft is provided with an intermediate gear which is meshed with the lower input gear and the lower output gear respectively, the unidirectional transmission assembly comprises a ratchet assembly arranged on the input shaft, and one side, away from each other, of the upper input gear and the lower input gear is provided with a pawl assembly matched with the ratchet assembly.
The utility model has the preferable technical scheme that two groups of ratchet wheel components and pawl components are arranged on one side of the upper input gear and the lower input gear, which are far away from each other.
The utility model is characterized in that the pawl assembly comprises a fixed column and a limiting end which are fixed on the upper input gear and the lower input gear, a spring is connected between the fixed column and the limiting end, and a pawl part which is matched with the tooth part of the ratchet assembly is arranged on one side of the fixed column.
The preferable technical scheme of the utility model is that the two ends of the spring are respectively arranged into round holes which are matched with the fixed column and the limiting end.
The utility model is characterized in that the ratchet directions of the two groups of ratchet wheel assemblies are opposite, and the driving and braking are formed by the rotation directions of the ratchet wheels and the pawl parts.
The utility model adopts the preferable technical scheme that one end of the input shaft extends out of the box body to be connected with a motor, and one end of the output shaft extends out of the box body to be connected with the shaft end of the spreading roller.
The box body comprises a top plate and a bottom plate, the top plate and the bottom plate are fixedly connected through four groups of connecting columns, an upper input gear and an upper output gear are positioned at one end of an input shaft close to the top plate, and a lower input gear and a lower output gear are positioned at one end of the input shaft close to the bottom plate.
Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the motor connected with the input shaft is used for controlling the input shaft to rotate, the input shaft drives the two groups of ratchet assemblies to rotate, and the ratchet assembly positioned near one end of the upper input gear is clamped with the pawl assembly on the upper input gear, so that the pawl assembly is driven to rotate together, the pawl assembly drives the upper input gear and the input shaft to rotate in the same direction, and as the effective transmission power steering of the ratchet assembly positioned near one end of the lower input gear is opposite to the effective transmission power steering of the ratchet assembly positioned near one end of the upper input gear, the pawl assembly on the lower input gear is in an idle state, namely when the upper input gear transmits power, the unidirectional transmission assembly where the lower input gear is positioned is idle; the upper input gear is meshed with the upper output gear, so that the upper output gear is driven to rotate, the upper output gear rotates to drive the output shaft to rotate, the output shaft rotates in the direction opposite to the direction of the input shaft, the output shaft drives the lower output gear to rotate, and the intermediate gear is meshed with the lower input gear and the lower output gear, so that the intermediate gear rotates in the same direction as the output shaft, and the lower input gear rotates in the opposite direction to the output shaft;
the motor rotates reversely, the input shaft is controlled to rotate reversely, the input shaft drives the two groups of ratchet assemblies to rotate, the ratchet assembly positioned near one end of the lower input gear is clamped with the pawl assembly on the lower input gear, so that the pawl assembly is driven to rotate together, the lower input gear and the input shaft are driven to rotate in the same direction, and the effective transmission power steering of the ratchet assembly positioned near one end of the lower input gear is opposite to the effective transmission power steering of the ratchet assembly positioned near one end of the upper input gear, so that the pawl assembly on the upper input gear is in an idle state, namely when the lower input gear transmits power, the unidirectional transmission assembly where the upper input gear is positioned is idle; the lower input gear rotates to drive the intermediate gear to rotate, the rotation direction of the intermediate gear is unchanged at the moment, the intermediate gear drives the lower output gear to rotate, the lower output gear drives the output shaft to rotate in the same direction as the input shaft, the rotation direction of the output shaft is consistent with the original rotation direction at the moment, namely, the rotation direction of the output shaft is always consistent, the cloth arranging roller always rotates in the same direction in the cloth arranging process, the cloth arranging requirement of the winding and unwinding process is met, the structure is compact, the installation space is small, the transmission efficiency is improved, the cooperation of a driving system, a power system, a transmission member, a coupling and the like is replaced, and the manufacturing cost is reduced.
The unidirectional transmission gear box assembly provided by the utility model has the advantages of simple structure and low manufacturing cost, and can always control the output shaft to keep the same rotation direction, so that the cloth arranging requirement in the winding and unwinding process is simultaneously met.
Drawings
FIG. 1 is a front view of a gearbox construction provided in an embodiment of the present utility model;
FIG. 2 is a schematic illustration of a gearbox configuration provided in an embodiment of the present utility model;
FIG. 3 is a schematic view of a pawl assembly provided in an embodiment of the present utility model;
fig. 4 is a schematic view of a transmission structure of a gearbox provided in an embodiment of the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
1. a case; 11. a top plate; 12. a bottom plate; 13. a connecting column; 14. a bearing; 2. an input shaft; 3. an output shaft; 4. an intermediate shaft; 41. an intermediate gear; 5. an upper input gear; 6. a lower input gear; 7. an upper output gear; 8. a lower output gear; 9. a unidirectional transmission assembly; 91. a ratchet assembly; 92. fixing the column; 93. a pawl portion; 94. a limiting end; 95. and (3) a spring.
Detailed Description
The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.
The unidirectional transmission gearbox assembly comprises a box body 1, wherein an input shaft 2, an intermediate shaft 4 and an output shaft 3 are sequentially connected in a rotating manner through a bearing 14 in the box body 1, an upper input gear 5, a lower input gear 6 and two groups of unidirectional transmission assemblies 9 are arranged on the input shaft 2, the two groups of unidirectional transmission assemblies 9 respectively act on the upper input gear 5 and the lower input gear 6, the two groups of unidirectional transmission assemblies 9 effectively transmit opposite power steering, and an upper output gear 7 and a lower output gear 8 are arranged on the output shaft 3;
the upper input gear 5 is meshed with the upper output gear 7, the intermediate shaft 4 is provided with an intermediate gear 41 which is meshed with the lower input gear 6 and the lower output gear 8 respectively, the unidirectional transmission assembly 9 comprises a ratchet assembly 91 which is arranged on the input shaft 2, and one sides, far away from each other, of the upper input gear 5 and the lower input gear 6 are provided with pawl assemblies matched with the ratchet assembly 91.
The input shaft 2 is controlled to rotate through a motor connected with the input shaft 2, the input shaft 2 drives the two groups of ratchet assemblies 91 to rotate, and the ratchet assemblies 91 positioned at one end close to the upper input gear 5 are clamped with the pawl assemblies on the upper input gear 5, so that the pawl assemblies are driven to rotate together, the pawl assemblies drive the upper input gear 5 to rotate in the same direction as the input shaft 2, and as the effective transmission power steering of the ratchet assemblies 91 positioned at one end close to the lower input gear 6 is opposite to the effective transmission power steering of the ratchet assemblies 91 positioned at one end close to the upper input gear 5, the pawl assemblies on the lower input gear 6 are in an idle state, namely when the upper input gear 5 transmits power, the unidirectional transmission assemblies 9 where the lower input gear 6 is positioned idle; because the upper input gear 5 is meshed with the upper output gear 7, the upper output gear 7 is driven to rotate, the upper output gear 7 rotates to drive the output shaft 3 to rotate, the output shaft 3 rotates in the direction opposite to the direction of the input shaft 2, the output shaft 3 drives the lower output gear 8 to rotate, and because the intermediate gear 41 is meshed with the lower input gear 6 and the lower output gear 8, the intermediate gear 41 rotates in the same direction as the output shaft 3, and the lower input gear 6 rotates in the opposite direction to the output shaft 3;
the motor rotates reversely, the input shaft 2 is controlled to rotate reversely, the input shaft 2 drives the two groups of ratchet assemblies 91 to rotate, the ratchet assemblies 91 positioned near one end of the lower input gear 6 are clamped with the pawl assemblies on the lower input gear 6, so that the pawl assemblies are driven to rotate together, the lower input gear 6 and the input shaft 2 are driven to rotate in the same direction, and as the effective transmission power steering of the ratchet assemblies 91 positioned near one end of the lower input gear 6 is opposite to the effective transmission power steering of the ratchet assemblies 91 positioned near one end of the upper input gear 5, the pawl assemblies on the upper input gear 5 are in an idle state, namely when the lower input gear 6 transmits power, the unidirectional transmission assembly 9 where the upper input gear 5 is positioned is idle; the lower input gear 6 rotates and drives the intermediate gear 41 to rotate, the rotation direction of the intermediate gear 41 is unchanged at the moment, the intermediate gear 41 drives the lower output gear 8 to rotate, the lower output gear 8 drives the output shaft 3 to rotate in the same direction as the input shaft 2, at the moment, the rotation direction of the output shaft 3 is consistent with the original rotation direction, namely, the rotation direction of the output shaft 3 is always consistent, so that the cloth arranging roller always rotates in the same direction in the cloth arranging process, the cloth arranging requirement of the winding and unwinding process is met, the structure is compact, the installation space is small, the transmission efficiency is improved, the cooperation of a driving system, a power system, a transmission member, a coupler and the like is replaced, the manufacturing cost is reduced, the application is clear, the ratchet and pawl cooperation is adopted, and the structure is not limited in practical application.
As a possible implementation manner of this scheme, preferably, the ratchet assembly 91 and the pawl assembly are respectively provided with two groups on one side of the upper input gear 5 and the lower input gear 6, which are far away from each other, so that when the input shaft 2 is rotated in a forward and reverse direction, the ratchet assembly 91 and the pawl assembly at corresponding positions are driven to realize driving and manufacturing effects, so as to ensure that the output shaft 3 always keeps rotating in the same direction, and thus, the cloth arranging requirement is met.
As a possible implementation manner of this scheme, preferably, the pawl assembly includes a fixed column 92 and a limiting end 94 fixed on the upper input gear 5 and the lower input gear 6, a spring 95 is connected between the fixed column 92 and the limiting end 94, a pawl portion 93 adapted to the tooth portion of the ratchet assembly 91 is disposed on one side of the fixed column 92, two ends of the spring 95 are respectively disposed in a circular hole shape adapted to the fixed column 92 and the limiting end 94, when the input shaft 2 rotates, one end of the ratchet assembly 91 is engaged with the pawl portion 93, the ratchet assembly 91 drives the pawl portion 93 to rotate, the pawl portion 93 drives the input gear at a corresponding position to rotate, and the other end of the ratchet assembly 91 is in a hole state with the pawl portion 93, when the input shaft 2 rotates reversely, the two groups of ratchet assemblies 91 are opposite to the pawl portion 93, so as to ensure that the output shaft 3 always rotates in the same direction, and achieve the cloth arrangement requirement of the winding and unwinding process, replace the cooperation of a driving system, a power system, a transmission member, a coupling and the like, and the manufacturing cost is reduced.
As a possible implementation of the present solution, it is preferable that the ratchet directions of the two sets of ratchet assemblies 91 are opposite, and the purpose of always maintaining one-direction rotation of the output shaft 3 is achieved by the cooperation of the intermediate gear 41 with the lower input gear 6 and the lower output gear 8 through the driving and braking formed by the corresponding rotation directions of the ratchet teeth and the pawl portion 93.
As a possible implementation manner of the scheme, preferably, one end of the input shaft 2 extends out of the box body 1 to be connected with a motor, and one end of the output shaft 3 extends out of the box body 1 to be connected with the shaft end of the cloth spreading roller, so that the output shaft 3 can rotate in the same direction no matter in the winding or unwinding process, cloth is arranged for cloth in the winding and unwinding process, and folds caused by winding and unwinding of Cheng Bupi are avoided.
As a possible implementation manner of the scheme, preferably, the box 1 comprises a top plate 11 and a bottom plate 12, the top plate 11 and the bottom plate 12 are fixedly connected through four groups of connecting columns 13, the upper input gear 5 and the upper output gear 7 are located at one end of the input shaft 2 close to the top plate 11, the lower input gear 6 and the lower output gear 8 are located at one end of the input shaft 2 close to the bottom plate 12, the connecting columns 13 are used for being matched with the top plate 11 and the bottom plate 12 to be installed, so that the stability of the work of the gearbox is improved, the input shaft 2 is connected with a motor, and the output shaft 3 is connected with the ends of the cloth roller shafts.
While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the utility model. The utility model is not to be limited by the specific embodiments disclosed herein, and other embodiments are within the scope of the utility model as defined by the claims of the present application.
Claims (7)
1. A unidirectional transmission gearbox assembly, characterized in that: the device comprises a box body (1), wherein an input shaft (2), an intermediate shaft (4) and an output shaft (3) are sequentially connected in a rotating manner through a bearing (14) in the box body (1), an upper input gear (5), a lower input gear (6) and two groups of unidirectional transmission components (9) are arranged on the input shaft (2), the two groups of unidirectional transmission components (9) respectively act on the upper input gear (5) and the lower input gear (6), the two groups of unidirectional transmission components (9) effectively transmit opposite power steering, and an upper output gear (7) and a lower output gear (8) are arranged on the output shaft (3);
the utility model discloses a ratchet wheel assembly, including upper input gear (5), lower input gear (6), lower output gear (8), lower input gear (6), upper input gear (5), lower input gear (6), intermediate shaft (4) are gone up and are installed with last output gear (7) meshing setting, install respectively with lower input gear (6) and lower output gear (8) meshing intermediate gear (41), one-way drive assembly (9) are including installing ratchet wheel assembly (91) on input shaft (2), upper input gear (5) and lower input gear (6) keep away from each other one side be provided with ratchet wheel assembly (91) complex pawl subassembly.
2. A one-way drive gearbox assembly as recited in claim 1, wherein:
the ratchet wheel component (91) and the pawl component are respectively provided with two groups at one side of the upper input gear (5) and the lower input gear (6) which are far away from each other.
3. A one-way drive gearbox assembly as recited in claim 1, wherein:
the pawl assembly comprises a fixed column (92) and a limiting end (94) which are fixed on an upper input gear (5) and a lower input gear (6), a spring (95) is connected between the fixed column (92) and the limiting end (94), and a pawl portion (93) which is matched with the tooth portion of the ratchet assembly (91) is arranged on one side of the fixed column (92).
4. A one-way drive gearbox assembly as defined in claim 3, wherein:
the two ends of the spring (95) are respectively arranged into round holes which are matched with the fixed column (92) and the limiting end (94).
5. A one-way drive gearbox assembly as defined in claim 3, wherein:
the ratchet wheel components (91) of the two groups are opposite in ratchet direction, and the driving and braking are formed by the rotation direction of the ratchet wheels and the pawl parts (93) correspondingly.
6. A one-way drive gearbox assembly as recited in claim 1, wherein:
one end of the input shaft (2) extends out of the box body (1) to be connected with a motor, and one end of the output shaft (3) extends out of the box body (1) to be connected with the shaft end of the spreading roller.
7. A one-way drive gearbox assembly as recited in claim 1, wherein:
the box body (1) comprises a top plate (11) and a bottom plate (12), the top plate (11) and the bottom plate (12) are fixedly connected through four groups of connecting columns (13), an upper input gear (5) and an upper output gear (7) are located at one end, close to the top plate (11), of the input shaft (2), and a lower input gear (6) and a lower output gear (8) are located at one end, close to the bottom plate (12), of the input shaft (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320821648.XU CN220581612U (en) | 2023-04-13 | 2023-04-13 | Unidirectional transmission gear box assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320821648.XU CN220581612U (en) | 2023-04-13 | 2023-04-13 | Unidirectional transmission gear box assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220581612U true CN220581612U (en) | 2024-03-12 |
Family
ID=90113622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320821648.XU Active CN220581612U (en) | 2023-04-13 | 2023-04-13 | Unidirectional transmission gear box assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220581612U (en) |
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2023
- 2023-04-13 CN CN202320821648.XU patent/CN220581612U/en active Active
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