CN220905087U - Steering braking mechanism easy to assemble and disassemble for small micro crawler type gearbox - Google Patents
Steering braking mechanism easy to assemble and disassemble for small micro crawler type gearbox Download PDFInfo
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- CN220905087U CN220905087U CN202322227962.8U CN202322227962U CN220905087U CN 220905087 U CN220905087 U CN 220905087U CN 202322227962 U CN202322227962 U CN 202322227962U CN 220905087 U CN220905087 U CN 220905087U
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- brake
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- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 9
- 210000003813 thumb Anatomy 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000712 assembly Effects 0.000 abstract 4
- 238000000429 assembly Methods 0.000 abstract 4
- 238000010586 diagram Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 241001124569 Lycaenidae Species 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003811 finger Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
Abstract
The utility model discloses an easy-to-disassemble steering braking mechanism for a small micro crawler type gearbox, which comprises a steering braking seat assembly, a steering braking shaft assembly and steering pusher dog assemblies, wherein the steering braking seat assembly is assembled on the left side and the right side of the steering braking shaft assembly, the steering pusher dog assemblies are in transmission connection with the steering braking seat assembly, and the steering braking shaft assembly and the steering braking seat assemblies on the two sides of the steering braking shaft assembly can be respectively matched through the steering pusher dog assemblies to realize left and right steering functions; the beneficial effects of the utility model are as follows: the utility model can obviously reduce the assembly difficulty, improve the production efficiency, and also can improve the reliability and the overall compactness of the product, thereby reducing the cost, improving the productivity and the quality, reducing the quality problems related to the steering function of the gearbox, having considerable economic benefit and improving the market competitiveness of the product in the subdivision field.
Description
Technical Field
The utility model relates to the technical field of crawler-type gearboxes, in particular to an easy-to-disassemble steering braking mechanism for a small micro crawler-type gearbox.
Background
Along with the continuous development of agricultural mechanization in China, the crawler-type agricultural machinery is fully and widely applied in various agricultural subdivision fields due to the all-terrain adaptive walking capability of the crawler-type agricultural machinery, and the market development of miniature crawler-type agricultural machinery in recent years is rapid, such as hand-held crawler-type transport vehicles, mini-tillers, micro-harvesters and the like, and the crawler-type agricultural machinery is suitable for working scenes in which wheel-type machines such as mountain lands, hills, field roads and fruit forests cannot effectively walk.
The steering braking mechanism of the small micro crawler type gearbox in the current market is almost a steering braking mechanism which is used by a traditional crawler type gearbox (mainly referring to main agricultural machinery such as rotary tillers, rice combine harvesters, corn harvesters and the like), and the tonnage is mainly concentrated at 3-6 tons. The box structure of traditional crawler-type gearbox is domestic mainstream all adopts the split structure of controlling the box, however little crawler-type agricultural machinery gearbox is mainly to the application scenario under 2 tons, is restricted by installation space, production technology and cost, and simple steering braking mechanism who follows traditional crawler-type gearbox leads to turning to the functional quality problem outstanding, and very difficult dismouting maintenance, market maintenance cost is higher.
Disclosure of utility model
Aiming at the problems, the utility model provides an easy-to-disassemble steering braking mechanism for a small micro-crawler gearbox,
The technical scheme of the utility model is as follows:
The utility model provides an easy dismouting turns to braking mechanism for little crawler-type gearbox, includes and turns to braking seat subassembly, turns to braking axle subassembly and turns to the thumb subassembly, it is in to turn to the braking seat subassembly the left and right sides of braking axle subassembly turns to, turn to the thumb subassembly and turn to braking seat subassembly transmission connection, can make to turn to the braking axle subassembly and the both sides turn to the braking seat subassembly respectively cooperate through turning to the thumb subassembly, realizes controlling and turns to the function.
Further, the steering brake seat assembly comprises a brake seat shell, a plurality of groups of friction plates and a separation plate, wherein the friction plates and the separation plate are assembled in the brake seat shell, and the friction plates and the separation plate can mutually and freely rotate in a free state.
Further, the steering brake shaft assembly comprises a steering brake shaft, a central transmission gear arranged at the middle position of the steering brake shaft and steering gears arranged on the steering brake shaft and positioned at two sides of the steering brake shaft; the two sides of the steering brake shaft are respectively provided with a left spring component and a right spring component for resetting the two steering gears.
Further, the left spring assembly comprises a left steering spring outer seat, a left steering spring seat A, a return spring and a left steering spring seat B, wherein the return spring is arranged between the left steering spring seat A and the left steering spring seat B, and the left steering spring seat A is arranged on the left steering spring outer seat.
Further, the right spring assembly comprises a right steering spring seat A, a right steering spring inner seat, a right steering spring seat B, a right steering spring seat outer seat and a return spring, wherein the right steering spring seat A is arranged on the right steering spring inner seat, the right steering spring seat B is arranged on the right steering spring seat outer seat, and the return spring is arranged between the right steering spring seat A and the right steering spring seat B.
Furthermore, the two ends of the steering brake shaft are respectively supported and arranged on the gearbox shell through a left bearing and a right bearing, and a shaft clamp spring is arranged on the steering brake shaft between the left spring assembly and the left bearing and between the right spring assembly and the right bearing.
Furthermore, the steering gear is arranged on the steering brake shaft through a steering limit copper sleeve, and the steering limit copper sleeve can rotate freely relative to the steering gear and the steering brake shaft during working.
Further, the central transmission gear is in clearance fit with the steering brake shaft.
Further, an involute spline combined with the steering gear is machined in the inner hole of the friction plate inner core.
Furthermore, the steering limit copper sleeve is in clearance fit with the steering gear.
The beneficial effects of the utility model are as follows: the utility model can obviously reduce the assembly difficulty, improve the production efficiency, and also can improve the reliability and the overall compactness of the product, thereby reducing the cost, improving the productivity and the quality, reducing the quality problems related to the steering function of the gearbox, having considerable economic benefit and improving the market competitiveness of the product in the subdivision field.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the installation structure of the central driving gear of the present utility model;
FIG. 3 is a left steering state diagram of the present utility model;
FIG. 4 is a right steering state diagram of the present utility model;
In the figure: 1. a steering brake seat assembly; 101. clamping springs for shafts; 102. a left steering spring outer seat; 103. a left steering spring seat A; 104. a return spring; 105. a left steering spring seat B; 106. a steering gear; 107. a central drive gear; 108. a right steering spring inner seat; 109. a steering brake shaft; 110. steering limit copper sleeve; 111. a right steering spring seat A; 112. an outer seat of the right steering spring seat; 113. a right steering spring seat B; 2. a steering brake shaft assembly; 3. a steering finger assembly.
Detailed Description
The utility model is further described below with reference to the drawings.
The utility model provides an easy dismouting steering brake mechanism for little crawler-type gearbox which specific structure is as shown in figure 1: it comprises a steering brake seat assembly 1, a steering brake shaft assembly 2 and a steering pusher dog assembly 3.
The steering brake seat assembly 1 is assembled on the left side and the right side of the steering brake shaft assembly 2, a plurality of groups of friction plates and separation plates are assembled in a brake seat shell, the friction plates and the separation plates can mutually and freely rotate in a free state, and involute splines combined with a steering gear are machined in inner holes of inner cores of the friction plates.
The steering brake shaft assembly 2 is shown in fig. 2: the left steering spring comprises a shaft clamp spring 101, a left steering spring outer seat 102, a left steering spring seat A103, a return spring 104, a left steering spring seat B105, a steering gear 106, a central transmission gear 107, a right steering spring inner seat 108, a steering brake shaft 109, a steering limit copper sleeve 110, a right steering spring seat A111, a right steering spring seat outer seat 112 and a right steering spring seat B113.
The two ends of the steering brake shaft 109 are respectively provided with a deep groove ball bearing arranged on the steering brake seat assembly 1, wherein a left steering spring outer seat 102, a left steering spring seat A103, a return spring 104 and a left steering spring seat B105 form a left spring assembly, and a shaft clamp spring 101 is arranged between the left steering spring outer seat 102 and the deep groove ball bearing of the left spring assembly;
the right steering spring inner seat 108, the right steering spring seat A111, the right steering spring seat outer seat 112 and the right steering spring seat B113 form a right spring assembly, and a shaft clamp spring 101 is arranged between the right steering spring seat outer seat 112 and the deep groove ball bearing of the right spring assembly;
According to the utility model, a central transmission gear 107 is in clearance fit with a steering brake shaft 109, the left side of the central transmission gear 107 is positioned by a shaft step, and the right side is positioned by a steering limit copper sleeve 110, a right steering spring inner seat 108, a right steering spring seat outer seat 112 and a shaft clamp spring 101. The traditional interference heat formula is changed, the assembly is simple, the disassembly is realized, the maintenance is easy, and the cost is effectively reduced; the position of the steering brake shaft 109 for assembling the central transmission gear 107 eliminates the traditional limit of the steel wire check ring and has no clamp spring groove, so that the strength of the steering brake shaft 109 is effectively improved, and the problem of broken shaft quality in the use process is effectively solved;
When the conventional bimetal bearing is assembled with the inner hole of the steering gear, a special tool is needed for press fitting, the assembled bimetal bearing and the steering gear form a whole, and no relative movement exists between the bimetal bearing and the steering gear during working. Also non-detachable. The steering limiting copper sleeve 110 replaces the original bimetal bearing, is in clearance fit when being matched with the steering gear, and can freely rotate relative to the steering gear 106 and the steering brake shaft 109 when in operation, and has detachability.
Working principle:
Under the straight running state, the central transmission gear receives the torque transmitted by the upper stage, the central transmission gear and the steering gear are combined through the jaw under the action of steering spring force, the torque is transmitted to the steering gear through the jaw from the central transmission gear, and the steering gear is respectively transmitted to the related gears of the left and right running of the next stage, so that the straight running power output is realized.
Fig. 3 is: in a left steering state, the steering pusher dog pushes the steering gear to move leftwards, the jaw combined with the transmission of the central transmission gear is separated, power is cut off, the steering gear on the left side stops transmitting power torque to the left driving gear on the lower stage, then the steering gear continues to move leftwards and presses the left steering brake seat assembly tightly, a friction plate and a separation plate in the steering brake seat assembly are tightly attached under the action of pressing force to generate braking force, the steering gear on the left stops rotating under the action of braking force, the braking force is transmitted to the driving gear on the left side, and the left crawler belt stops walking. While the power output flow on the right side always works normally and is kept in a normal walking state. The motion of the walking chassis of the whole machine is that the left driving wheel stops, and the right driving wheel normally rotates and advances, so that the left steering function motion of the whole machine is realized.
Fig. 4 is: the right steering state and the functional action principle are just opposite to the left steering state.
The above embodiments are only preferred embodiments of the present utility model, and are not limiting to the technical solutions of the present utility model, and any technical solution that can be implemented on the basis of the above embodiments without inventive effort should be considered as falling within the scope of protection of the patent claims of the present utility model.
Claims (10)
1. The utility model provides a little crawler-type gearbox is with easy dismouting steering brake mechanism, includes steering brake seat subassembly (1), turns to brake axle subassembly (2) and turns to thumb subassembly (3), its characterized in that, steering brake seat subassembly (1) is assembled the left and right sides of steering brake axle subassembly (2), steering thumb subassembly (3) are connected with steering brake seat subassembly (1) transmission, can make steering brake axle subassembly (2) and the steering brake seat subassembly (1) of its both sides cooperate respectively through turning to thumb subassembly (3), realize left and right steering function.
2. The steering brake mechanism for the small micro crawler type gearbox, which is easy to disassemble and assemble, is characterized in that the steering brake shaft assembly (2) comprises a steering brake shaft (109), a central transmission gear (107) arranged at the middle position of the steering brake shaft (109) and steering gears (106) arranged on the steering brake shaft (109) and positioned at two sides of the steering brake shaft (109); the two sides of the steering brake shaft (109) are respectively provided with a left spring component and a right spring component for resetting the two steering gears (106).
3. The steering brake mechanism for a small micro crawler type gearbox according to claim 2, wherein the fit between the central transmission gear (107) and the steering brake shaft (109) is a clearance fit.
4. The steering braking mechanism for the small micro crawler type gearbox, which is easy to disassemble and assemble, is characterized in that the steering gear (106) is arranged on the steering braking shaft (109) through a steering limiting copper sleeve (110), and the steering limiting copper sleeve (110) can freely rotate relative to the steering gear (106) and the steering braking shaft (109) during operation.
5. The easy-to-disassemble steering brake mechanism for a small micro crawler gearbox according to claim 2, wherein the left spring assembly comprises a left steering spring outer seat (102), a left steering spring seat a (103), a return spring (104) and a left steering spring seat B (105), the return spring (104) is arranged between the left steering spring seat a (103) and the left steering spring seat B (105), and the left steering spring seat a (103) is arranged on the left steering spring outer seat (102).
6. The easy-to-disassemble steering brake mechanism for a small micro crawler gearbox according to claim 2, wherein the right spring assembly comprises a right steering spring seat a (111), a right steering spring inner seat (108), a right steering spring seat B (113), a right steering spring seat outer seat (112) and a return spring (104), the right steering spring seat a (111) is arranged on the right steering spring inner seat (108), the right steering spring seat B (113) is arranged on the right steering spring seat outer seat (112), and the return spring (104) is arranged between the right steering spring seat a (111) and the right steering spring seat B (113).
7. The steering brake mechanism for the small micro crawler type gearbox, which is easy to disassemble and assemble, is characterized in that two ends of the steering brake shaft (109) are respectively supported and arranged on a gearbox shell through a left bearing and a right bearing, and a shaft clamp spring (101) is arranged on the steering brake shaft (109) between a left spring assembly and the left bearing and between a right spring assembly and the right bearing.
8. The steering brake mechanism for a small micro crawler type gearbox, which is easy to disassemble and assemble, according to claim 4, wherein the steering limit copper sleeve (110) is in clearance fit with the steering gear (106).
9. The steering brake mechanism for a small micro crawler type gearbox according to claim 1, wherein the steering brake seat assembly (1) comprises a brake seat shell, a plurality of groups of friction plates and a separation plate, the friction plates and the separation plate are assembled in the brake seat shell, and the friction plates and the separation plate can rotate freely in a free state.
10. The easy-to-disassemble steering brake mechanism for a small micro crawler type gearbox of claim 9, wherein the inner hole of the friction plate inner core is processed with involute splines combined with steering gears.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322227962.8U CN220905087U (en) | 2023-08-18 | 2023-08-18 | Steering braking mechanism easy to assemble and disassemble for small micro crawler type gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322227962.8U CN220905087U (en) | 2023-08-18 | 2023-08-18 | Steering braking mechanism easy to assemble and disassemble for small micro crawler type gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220905087U true CN220905087U (en) | 2024-05-07 |
Family
ID=90907134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322227962.8U Active CN220905087U (en) | 2023-08-18 | 2023-08-18 | Steering braking mechanism easy to assemble and disassemble for small micro crawler type gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220905087U (en) |
-
2023
- 2023-08-18 CN CN202322227962.8U patent/CN220905087U/en active Active
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