CN109780155B - Walking gearbox with parking brake - Google Patents
Walking gearbox with parking brake Download PDFInfo
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- CN109780155B CN109780155B CN201910172636.7A CN201910172636A CN109780155B CN 109780155 B CN109780155 B CN 109780155B CN 201910172636 A CN201910172636 A CN 201910172636A CN 109780155 B CN109780155 B CN 109780155B
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- brake
- shaft
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- clutch handle
- stay
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- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000007547 defect Effects 0.000 abstract description 3
- 208000012260 Accidental injury Diseases 0.000 abstract description 2
- 208000014674 injury Diseases 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 241001122767 Theaceae Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000012055 fruits and vegetables Nutrition 0.000 description 1
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- Braking Elements And Transmission Devices (AREA)
Abstract
The invention relates to a walking gearbox with a parking brake, which comprises a clutch handle, a clutch handle rotating fulcrum, a clutch handle fixing seat, a driving pulley, a parking brake shaft pulling plate, a brake tension spring, a brake pad expanding rod, a brake pull wire, a clutch pull wire, a walking gearbox body, a walking shaft, a clutch pull wire tension spring, a driven pulley shaft, a driving pulley and belt tensioning wheel, a brake shaft, a first brake pad, a second brake pad, a brake pad rotating fulcrum and a brake disc. According to the invention, the parking brake is additionally arranged on the traveling gearbox, and the clutch handle linkage mechanism is utilized, so that the defect that a belt-driven mower is easy to slide due to self weight to overcome the friction resistance of a gear train, and personal accidental injury caused by slide is avoided. The invention has the advantages of simple structure, convenient manufacture, economy, applicability and the like.
Description
Technical Field
The invention relates to a walking gearbox of a belt-driven mower, in particular to a walking gearbox with a parking brake, and belongs to the technical field of agricultural machinery.
Background
With the development of fruit and vegetable tea mower technology, the application of transmitting the belt tension to the walking gearbox body to realize walking and stopping is particularly wide. However, the walking gearbox body of the existing mower is not provided with a braking device, so that after the belt is separated, when the whole mower is stopped at a place with a gradient, the friction resistance of a gear train is overcome due to the weight of the whole mower, and the phenomenon of sliding and landslide of the whole mower is easy to occur, so that serious safety accidents are caused.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the walking gearbox with the parking brake, which can avoid the phenomena of sliding and landslide of the whole machine and is safer to use.
According to the technical scheme provided by the invention, the walking gearbox with the parking brake comprises a clutch handle, a clutch handle rotating fulcrum, a clutch handle fixing seat, a driving pulley, a parking brake shaft pulling plate, a brake tension spring, a brake block expanding rod, a brake pull wire, a clutch pull wire, a walking gearbox body, a walking shaft, a clutch pull wire tension spring, a driven pulley shaft, a driving pulley and belt tensioning wheel, a brake shaft, a first brake block, a second brake block, a brake block rotating fulcrum and a brake disc;
a traveling shaft, a driven belt pulley and a brake shaft are arranged in the traveling gearbox body, the driven belt pulley and the brake shaft are connected through a gear train, a driven belt pulley is fixed on the driven belt pulley, and a transmission belt is arranged on the driven belt pulley and the driving belt pulley; the transmission device comprises a traveling gearbox body, a belt tensioning arm, a belt tensioning wheel, a clutch stay wire tension spring, a clutch handle, a clutch stay wire tension spring, a brake pull wire, a brake pull spring, a brake plate opening rod, a brake disc and a brake shaft, wherein the belt tensioning arm is hinged to the traveling gearbox body, the belt tensioning wheel is rotatably mounted on the belt tensioning arm, the belt tensioning wheel is matched with a driving belt, the clutch stay wire tension spring is mounted on the belt tensioning arm and connected with the clutch handle through the clutch stay wire, the clutch handle is hinged to a clutch handle fixing seat through a clutch handle rotating fulcrum, the clutch handle is connected with the brake tension spring through a brake stay wire, the brake tension spring is connected with one end of a parking brake shaft pulling plate, the middle of the parking brake shaft pulling plate is hinged to the traveling gearbox body, the brake plate opening rod is fixed to the other end of the parking brake shaft pulling plate, the brake disc is fixed to the brake shaft, the brake disc is fixed to the brake disc, one ends of a brake plate rotating fulcrum is hinged to the brake plate rotating fulcrum, the other end of a first brake plate is abutted to the brake plate opening rod, and a reset spring is connected between the first brake plate and the second brake plate.
And a first brake block reset spring and a second brake block reset spring are connected between the first brake block and the second brake block, and the first brake block reset spring and the second brake block reset spring are respectively arranged on the upper side and the lower side of the brake shaft.
According to the invention, the parking brake is additionally arranged on the traveling gearbox, and the clutch handle linkage mechanism is utilized, so that the defect that a belt-driven mower is easy to slide due to self weight to overcome the friction resistance of a gear train, and personal accidental injury caused by slide is avoided. The invention has the advantages of simple structure, convenient manufacture, economy, applicability and the like.
Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic illustration of the construction of a brake assembly according to the present invention.
Detailed Description
The invention will be further illustrated with reference to specific examples.
The invention relates to a traveling gearbox with a parking brake, which comprises a clutch handle 1, a clutch handle rotating fulcrum 2, a clutch handle fixing seat 3, a driving pulley 5, a parking brake shaft pull plate 6, a brake tension spring 7, a brake block expanding rod 8, a brake pull wire 10, a clutch pull wire 11, a traveling gearbox body 12, a traveling shaft 14, a clutch pull wire tension spring 15, a driven pulley 16, a driven pulley shaft 17, a driving pulley 18, a belt tensioning pulley 19, a brake shaft 21, a first brake block 23, a second brake block 24, a brake block rotating fulcrum 25 and a brake disc 26;
a traveling shaft 14, a driven pulley shaft 17 and a brake shaft 21 are arranged in the traveling gearbox body 12, the driven pulley shaft 17 and the brake shaft 21 are connected with each other through a gear train, a driven pulley 16 is fixed on the driven pulley shaft 17, and a transmission belt 18 is arranged on the driven pulley 16 and the driving pulley 5; the traveling gearbox body 12 is hinged with a belt tensioning arm, the belt tensioning arm is rotatably provided with a belt tensioning wheel 19, the belt tensioning wheel 19 is matched with a driving belt 18, the belt tensioning arm is provided with a clutch stay tension spring 15, the clutch stay tension spring 15 is connected with a clutch handle 1 through a clutch stay 11, the clutch handle 1 is hinged on a clutch handle fixing seat 3 through a clutch handle rotating pivot 2, the clutch handle 1 is also connected with a brake tension spring 7 through a brake stay 10, the brake tension spring 7 is connected with one end of a parking brake shaft pulling plate 6, the middle part of the parking brake shaft pulling plate 6 is hinged on the traveling gearbox body 12, the other part of the parking brake shaft pulling plate 6 is fixedly provided with a brake piece supporting rod 8, a brake disc 26 is fixedly connected with a brake shaft 21, a brake piece rotating pivot 25 is fixedly arranged on the brake disc 26, one ends of a first brake piece 23 and a second brake piece 24 are hinged on the brake rotating pivot 25, the other ends of the first brake piece 23 and the second brake piece 24 are propped against a brake piece supporting rod 8, and a brake spring is connected between the first brake piece 23 and the second brake piece 24.
A first brake pad return spring 20 and a second brake pad return spring 22 are connected between the first brake pad 23 and the second brake pad 24, and the first brake pad return spring 20 and the second brake pad return spring 22 are respectively arranged on the upper side and the lower side of the brake shaft 21.
One ends of a brake stay 10 and a clutch stay 11 are both arranged on the stay total fixing seat 4, the other end of the brake stay 10 is arranged on the brake stay fixing seat 9, and the other end of the clutch stay 11 is arranged on the clutch stay fixing seat 13.
In the present invention, the torque transmission process of the traveling transmission case 12: the driving pulley 5, the driving belt 18, the driven pulley 16, the driven pulley shaft 17, the gear train, the brake shaft 24, the gear train and the traveling shaft 14, thereby realizing the rotation or stop of the traveling shaft 14.
In the free state, the clearance between the first brake pad 23, the second brake pad 24 and the brake disc 26 is 1mm, and the free state is maintained by the brake pad first return spring 20 and the brake pad second return spring 22. The brake disc 26 is connected to the brake shaft 21, and the brake shaft 21 is connected to the gear train.
When the clutch handle 1 is pulled up to the working position, the brake pull wire 10 is in a loose state, the clutch pull wire 11 is in a tensioning state, the clutch pull wire 11 pulls the belt tensioning arm through the clutch pull wire tension spring 15, the belt tensioning wheel 19 on the belt tensioning arm tensions the driving belt 18, torsion on the driven belt pulley shaft 17 is transmitted to the brake shaft 24 through the gear train, the brake shaft 24 transmits the torsion to the traveling shaft 14 through the gear train, the whole machine can travel, and at the moment, the brake assembly is in a free state, and the brake assembly is composed of the first return spring 20, the brake shaft 21, the brake piece second return spring 22, the first brake piece 23, the second brake piece 24, the brake piece rotating fulcrum 25 and the brake disc 26.
When the clutch handle 1 is put down to the parking position, the clutch stay 11 is in a loose state, the brake stay 10 is in a tensioning state, the brake stay 10 pulls the parking brake shaft pull plate 6 through the brake tension spring 7, the first brake block 23 and the second brake block 24 rotate around the brake block rotation pivot 25 under the action of the brake block opening rod 8, the first brake block 23 and the second brake block 24 are opened by the brake block opening rod 8, the first brake block 23 and the second brake block 24 are tightly attached to the brake disc 26, the brake shaft 21 cannot rotate, the gear train cannot rotate at the moment, and the whole machine avoids a sliding slope and a landslide caused by overcoming the friction resistance of the gear train by the self weight when the whole machine is parked at a gradient.
When the clutch handle 1 is switched to the working position again, the first brake pad 23 and the second brake pad 24 are reset and kept in a free state under the action of the resilience force of the first reset spring 20 and the second reset spring 22.
Claims (1)
1. The utility model provides a take walking gearbox of parking brake, including clutch handle (1), clutch handle rotation fulcrum (2), clutch handle fixing base (3), driving pulley (5), parking brake axle arm-tie (6), braking extension spring (7), brake block strut (8), brake stay (10), clutch stay (11), walking gearbox body (12), walking axle (14), clutch stay extension spring (15), passive pulley (16), passive pulley axle (17), driving pulley (18) and belt take-up pulley (19), brake axle (21), first brake block (23), second brake block (24), brake block rotation fulcrum (25) and brake disc (26); the method is characterized in that:
a traveling shaft (14), a driven pulley shaft (17) and a brake shaft (21) are arranged in the traveling gearbox body (12), the driven pulley shaft (17) is connected with the brake shaft (21) and the brake shaft (21) is connected with the traveling shaft (14) through gear trains, a driven pulley (16) is fixed on the driven pulley shaft (17), and a transmission belt (18) is arranged on the driven pulley (16) and the driving pulley (5); the traveling gearbox body (12) is hinged with a belt tensioning arm, the belt tensioning arm is rotatably provided with a belt tensioning wheel (19), the belt tensioning wheel (19) is matched with a transmission belt (18), the belt tensioning arm is provided with a clutch stay tension spring (15), the clutch stay tension spring (15) is connected with a clutch handle (1) through a clutch stay wire (11), the clutch handle (1) is hinged on a clutch handle fixing seat (3) through a clutch handle rotating fulcrum (2), the clutch handle (1) is also connected with a brake tension spring (7) through a brake stay wire (10), the brake tension spring (7) is connected with one end part of a parking brake shaft tension plate (6), the middle part of the parking brake shaft tension plate (6) is hinged on the traveling gearbox body (12), a brake plate expanding rod (8) is fixed on the parking brake shaft tension plate (6), a brake disc (26) is fixed with a brake plate rotating fulcrum (25) on the brake disc (26), the first brake plate (23) is hinged with a brake plate rotating fulcrum (25) on the other end part of the brake rod (24) which is hinged with a brake plate (8), a return spring is connected between the first brake pad (23) and the second brake pad (24);
a first brake block reset spring (20) and a second brake block reset spring (22) are connected between the first brake block (23) and the second brake block (24), and the first brake block reset spring (20) and the second brake block reset spring (22) are respectively arranged on the upper side and the lower side of the brake shaft (21); the first return spring (20) and the second return spring (22) of the brake pad are kept in a free state; in a free state, the clearance between the first brake pad (23), the second brake pad (24) and the brake disc (26) is 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910172636.7A CN109780155B (en) | 2019-03-07 | 2019-03-07 | Walking gearbox with parking brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910172636.7A CN109780155B (en) | 2019-03-07 | 2019-03-07 | Walking gearbox with parking brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109780155A CN109780155A (en) | 2019-05-21 |
| CN109780155B true CN109780155B (en) | 2023-11-24 |
Family
ID=66486712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910172636.7A Active CN109780155B (en) | 2019-03-07 | 2019-03-07 | Walking gearbox with parking brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109780155B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2798545Y (en) * | 2005-05-19 | 2006-07-26 | 李爱城 | Double flush type automatic control clutch device for soybean harvester |
| CN203570948U (en) * | 2013-12-10 | 2014-04-30 | 浙江中坚科技股份有限公司 | T-shaped arm linkage belt transmission mechanism |
| CN106612968A (en) * | 2016-12-26 | 2017-05-10 | 中联重机股份有限公司 | Harvester hydraulic main clutch device |
| CN207975238U (en) * | 2018-02-26 | 2018-10-16 | 江苏沃得农业机械有限公司 | The main shift lever locking device of harvester |
| CN209909102U (en) * | 2019-03-07 | 2020-01-07 | 无锡华源凯马发动机有限公司 | Walking gearbox with parking brake |
-
2019
- 2019-03-07 CN CN201910172636.7A patent/CN109780155B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2798545Y (en) * | 2005-05-19 | 2006-07-26 | 李爱城 | Double flush type automatic control clutch device for soybean harvester |
| CN203570948U (en) * | 2013-12-10 | 2014-04-30 | 浙江中坚科技股份有限公司 | T-shaped arm linkage belt transmission mechanism |
| CN106612968A (en) * | 2016-12-26 | 2017-05-10 | 中联重机股份有限公司 | Harvester hydraulic main clutch device |
| CN207975238U (en) * | 2018-02-26 | 2018-10-16 | 江苏沃得农业机械有限公司 | The main shift lever locking device of harvester |
| CN209909102U (en) * | 2019-03-07 | 2020-01-07 | 无锡华源凯马发动机有限公司 | Walking gearbox with parking brake |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109780155A (en) | 2019-05-21 |
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Denomination of invention: Travel gearbox with parking brake Granted publication date: 20231124 Pledgee: Bank of China Limited Liangxi Branch, Wuxi Pledgor: WUXI WORLDBEST KAMA POWER Co.,Ltd. Registration number: Y2024980009040 |