CN220549048U - Pneumatic brake device for tractor - Google Patents
Pneumatic brake device for tractor Download PDFInfo
- Publication number
- CN220549048U CN220549048U CN202321877567.8U CN202321877567U CN220549048U CN 220549048 U CN220549048 U CN 220549048U CN 202321877567 U CN202321877567 U CN 202321877567U CN 220549048 U CN220549048 U CN 220549048U
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- sliding
- brake device
- cylinder
- fixedly arranged
- pneumatic brake
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- 230000001681 protective effect Effects 0.000 claims abstract description 7
- 244000309464 bull Species 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 239000000446 fuel Substances 0.000 abstract description 6
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a pneumatic brake device for a tractor, which comprises a hub and an air cylinder, wherein a protective cover is fixedly arranged on the air cylinder, two fixing plates are fixedly arranged on the protective cover, a sliding plate is slidably arranged on each of the two fixing plates, a return mechanism is arranged between each of the two sliding plates and the corresponding fixing plate, a connecting rod is fixedly arranged on each of the two sliding plates, a brake disc matched with the hub is fixedly arranged on each of the two connecting rods, a linkage mechanism is arranged between the two connecting rods, and a baffle is fixedly arranged on the air cylinder. The advantages are that: the single-piston cylinder is adopted, and two brake discs are also installed at the same time, so that the original single-piston single-brake disc and double-piston double-brake disc brake device is replaced, the brake effect is better, and the brake consumption fuel is lower.
Description
Technical Field
The utility model relates to the technical field of pneumatic braking, in particular to a pneumatic braking device for a tractor.
Background
The tractor is a common agricultural transportation or use tool, the original tractor adopts a pull handle type brake, and the pull handle drives the brake disc to prop against the hub, so that the purpose of braking is realized, and the manual labor intensity of the braking mode is high, so that a pneumatic braking device is adopted to replace a manual pull handle type braking mode later, and the manual labor intensity is greatly reduced.
The existing pneumatic brake device is characterized in that a piston moves by burning fuel through a cylinder, and the piston drives a brake disc to abut against a hub, so that the purpose of braking is achieved, and the pneumatic brake device has the following defects in the specific use process: 1. if a piston is adopted, only one brake disc can be installed, and the braking effect is poor; 2. if two pistons are adopted, the manufacturing cost is high, the fuel consumption is high, the pushing distance of the two pistons is difficult to control, the two brake discs can not simultaneously play a role in braking, and certain defects exist in use.
Therefore, the novel pneumatic brake device for the tractor can be adopted to solve the defects in the prior art.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a pneumatic brake device for a tractor.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a pneumatic brake device for tractor, includes wheel hub and cylinder, fixed mounting has the safety cover on the cylinder, fixed mounting has two fixed plates on the safety cover, two equal slidable mounting has a slide on the fixed plate, two install return mechanism between slide and the fixed plate that corresponds, two equal fixed mounting has a connecting rod on the slide, two equal fixed mounting has a brake disc with wheel hub matched with on the connecting rod, two install interlock mechanism between the connecting rod, fixed mounting has the baffle on the cylinder, and slidable mounting has the piston on the cylinder, fixed mounting has the push rod on the piston, install the bull stick through slewing mechanism on the cylinder, rotate on the bull stick and install the steering column, fixed mounting has the cushion on the steering column, be connected through slide mechanism between cushion and one of them slide.
In the pneumatic brake device for the tractor, the return mechanism comprises a groove body and a second spring, the groove body matched with the sliding plate is formed in the fixed plate, and the second spring is fixedly arranged between the sliding plate and the groove body.
In the pneumatic brake device for the tractor, the linkage mechanism comprises racks and gears, wherein one rack is fixedly arranged on each of the two connecting rods, and the gears meshed with the two racks are rotatably arranged on the protective cover.
In the pneumatic brake device for the tractor, the rotating mechanism comprises a rotating shaft, balls and ball grooves, the rotating shaft is fixedly arranged on the air cylinder, a plurality of ball grooves are formed in the rotating shaft, each ball groove is provided with a ball in a rolling mode, and the rotating rod is provided with annular grooves matched with the balls.
In the pneumatic brake device for the tractor, the sliding mechanism comprises a sliding block, rollers and sliding grooves, the sliding block is fixedly arranged on the cushion block, a plurality of rollers are rotatably arranged on the sliding block, one of the sliding blocks is provided with the sliding groove matched with the plurality of rollers, and a rebound structure is arranged between the sliding groove and the sliding block.
In the pneumatic brake device for the tractor, the rebound structure comprises a first spring and fixed blocks, the fixed blocks are fixedly arranged on the sliding block and the sliding groove, and the first spring is fixedly arranged between the two fixed blocks.
In the pneumatic brake device for the tractor, two sliding sheets are fixedly arranged on the piston, track grooves matched with the two sliding sheets are formed in the cylinder, and a spring III is fixedly arranged between the two sliding sheets and the corresponding track grooves.
Compared with the prior art, the utility model has the advantages that:
1: through setting up rack and gear, can make two connecting rods reverse movement simultaneously, can make two brake discs centre gripping simultaneously to wheel hub like this, reach the purpose of brake, increased a brake disc on the basis that original single piston can only install a brake disc, improve the braking effect.
2: through setting up baffle and piston, adopt single piston cylinder, compare with double piston cylinder, fuel consumption is lower, can also reach the effect that double brake disc played the brake simultaneously, brake disc utilization ratio is higher.
In summary, the utility model adopts the single-piston cylinder, and simultaneously installs two brake discs, thereby replacing the original single-piston single-brake disc and double-piston double-brake disc brake device, so that the brake effect is better, and the brake consumption fuel is lower.
Drawings
The utility model is described in further detail below with reference to the attached drawing figures, wherein:
FIG. 1 is a schematic diagram of a pneumatic brake device for a tractor according to the present utility model;
FIG. 2 is an enlarged schematic detail view of portion A of FIG. 1;
fig. 3 is a partially enlarged schematic detailed view of the transfer lever portion of fig. 1.
In the figure: 1 wheel hub, 2 cylinder, 3 safety cover, 4 baffle, 5 piston, 6 push rod, 7 bull stick, 8 fixed plate, 9 rack, 10 gear, 11 slide, 12 brake disc, 13 cushion, 14 revolving post, 15 slider, 16 gyro wheel, 17 spring one, 18 connecting rod, 19 pivot, 20 spheroid.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, a pneumatic brake device for a tractor comprises a hub 1 and a cylinder 2, wherein a protective cover 3 is fixedly installed on the cylinder 2, two fixing plates 8 are fixedly installed on the protective cover 3, one sliding plate 11 is slidably installed on each of the two fixing plates 8, a restoring mechanism is installed between each of the two sliding plates 11 and the corresponding fixing plate 8, a connecting rod 18 is fixedly installed on each of the two sliding plates 11, a brake disc 12 matched with the hub 1 is fixedly installed on each of the two connecting rods 18, a linkage mechanism is installed between the two connecting rods 18, a baffle 4 is fixedly installed on the cylinder 2, a piston 5 is slidably installed on the cylinder 2, a push rod 6 is fixedly installed on the piston 5, a rotating rod 7 is installed on the cylinder 2 through a rotating mechanism, a rotating column 14 is rotatably installed on the rotating rod 7, a cushion block 13 is fixedly installed on the rotating column 14, and the cushion block 13 is connected with one of the sliding plates 11 through a sliding mechanism;
the following points are notable:
1. the restoring mechanism comprises a groove body and a second spring, the groove body matched with the sliding plate 11 is arranged on the fixed plate 8, the second spring is fixedly arranged between the sliding plate 11 and the groove body, and the restoring mechanism has the function of restoring the sliding plate 11 to the original position so as to separate the brake disc 12 from the hub 1.
2. The linkage mechanism comprises racks 9 and gears 10, one rack 9 is fixedly arranged on each of the two connecting rods 18, the gears 10 which are meshed with the two racks 9 are rotatably arranged on the protective cover 3, and the function of the linkage mechanism is to enable the two connecting rods 18 to simultaneously move reversely, so that the two brake discs 12 can simultaneously clamp the hub 1, the purpose of braking is achieved, one brake disc 12 is added on the basis that the original single piston 5 can only be provided with one brake disc 12, and the braking effect is improved.
3. The rotating mechanism comprises a rotating shaft 19, balls 20 and ball grooves, the rotating shaft 19 is fixedly arranged on the air cylinder 2, a plurality of ball grooves are formed in the rotating shaft 19, one ball 20 is arranged on each ball groove in a rolling mode, annular grooves matched with the balls 20 are formed in the rotating rod 7, and the function of the arrangement is to reduce friction between the rotating rod 7 and the rotating shaft 19, so that the rotating rod 7 rotates more smoothly.
4. The sliding mechanism comprises a sliding block 15, rollers 16 and sliding grooves, wherein the sliding block 15 is fixedly arranged on a cushion block 13, a plurality of rollers 16 are rotatably arranged on the sliding block 15, the sliding groove matched with the plurality of rollers 16 is formed in one sliding plate 11, a rebound structure is arranged between the sliding groove and the sliding block 15, the effect of the arrangement is to prevent the cushion block 13 from being in direct contact with the sliding plate 11, the service life of the cushion block 13 is prolonged, meanwhile, the friction force can be reduced due to the arrangement of the rollers 16, and the cushion block 13 can slide more smoothly.
5. The rebound structure comprises a first spring 17 and fixed blocks, the sliding block 15 and the sliding groove are fixedly provided with the fixed blocks, the first spring 17 is fixedly arranged between the two fixed blocks, and the rebound structure is used for enabling the sliding block 15 to return to an original position and facilitating the next braking operation.
6. The piston 5 is fixedly provided with two sliding sheets, the cylinder 2 is provided with a track groove matched with the two sliding sheets, a spring III is fixedly arranged between the two sliding sheets and the corresponding track groove, and the function of the arrangement is to prevent the piston 5 and the cylinder 2 from being blocked due to offset.
Through the burning of fuel in the cylinder 2 for the air in the cylinder 2 expands, and the air of inflation can promote piston 5 to the one side removal of keeping away from baffle 4, under the effect of push rod 6, promotes bull stick 7 and rotates on pivot 19, and bull stick 7 rotates and makes cushion 13 upwards move on slide 11, under the butt pressure effect of bull stick 7, makes left side slide 11 to the one side that is close to wheel hub 1 remove, under the effect of rack 9 and gear 10, makes another slide 11 reverse movement simultaneously, and two slides 11 reverse movement simultaneously drive two brake discs 12 reverse movement simultaneously, so with wheel hub 1 centre gripping, realizes the purpose of single piston 5 two brake discs 12 brake.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The utility model provides a pneumatic brake device for tractor, includes wheel hub (1) and cylinder (2), its characterized in that, fixed mounting has safety cover (3) on cylinder (2), fixed mounting has two fixed plates (8) on safety cover (3), two equal slidable mounting has a slide (11) on fixed plate (8), two install return mechanism between slide (11) and corresponding fixed plate (8), two equal fixed mounting has a connecting rod (18) on slide (11), two equal fixed mounting has one brake disc (12) with wheel hub (1) on connecting rod (18), two install interlock mechanism between connecting rod (18), fixed mounting has baffle (4) on cylinder (2), and slidable mounting has piston (5) on cylinder (2), fixed mounting has push rod (6) on piston (5) through slewing mechanism installs bull stick (7), slewing bearing (14) on bull stick (7), install on rotation post (14) and one of them sliding connection between slide (13) through cushion (13).
2. The pneumatic brake device for the tractor according to claim 1, wherein the restoring mechanism comprises a groove body and a second spring, the fixed plate (8) is provided with a groove body matched with the sliding plate (11), and the second spring is fixedly arranged between the sliding plate (11) and the groove body.
3. The pneumatic brake device for a tractor according to claim 1, wherein the linkage mechanism comprises a rack (9) and a gear (10), one rack (9) is fixedly mounted on each of the two connecting rods (18), and the gear (10) meshed with the two racks (9) is rotatably mounted on the protective cover (3).
4. The pneumatic brake device for the tractor according to claim 1, wherein the rotating mechanism comprises a rotating shaft (19), balls (20) and ball grooves, the rotating shaft (19) is fixedly arranged on the air cylinder (2), a plurality of ball grooves are formed in the rotating shaft (19), one ball (20) is arranged on each ball groove in a rolling mode, and annular grooves matched with the balls (20) are formed in the rotating rod (7).
5. The pneumatic brake device for a tractor according to claim 1, wherein the sliding mechanism comprises a sliding block (15), rollers (16) and sliding grooves, the sliding block (15) is fixedly installed on the cushion block (13), a plurality of rollers (16) are rotatably installed on the sliding block (15), one sliding plate (11) is provided with sliding grooves matched with the rollers (16), and a rebound structure is installed between the sliding grooves and the sliding block (15).
6. The pneumatic brake device for a tractor according to claim 5, wherein the rebound structure comprises a first spring (17) and a fixed block, wherein the fixed block is fixedly arranged on the sliding block (15) and the sliding groove, and the first spring (17) is fixedly arranged between the two fixed blocks.
7. The pneumatic brake device for the tractor according to claim 1, wherein two sliding sheets are fixedly installed on the piston (5), track grooves matched with the two sliding sheets are formed in the cylinder (2), and a spring III is fixedly installed between each sliding sheet and the corresponding track groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321877567.8U CN220549048U (en) | 2023-07-18 | 2023-07-18 | Pneumatic brake device for tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321877567.8U CN220549048U (en) | 2023-07-18 | 2023-07-18 | Pneumatic brake device for tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220549048U true CN220549048U (en) | 2024-03-01 |
Family
ID=90007955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321877567.8U Active CN220549048U (en) | 2023-07-18 | 2023-07-18 | Pneumatic brake device for tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220549048U (en) |
-
2023
- 2023-07-18 CN CN202321877567.8U patent/CN220549048U/en active Active
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