CN206323814U - Harvester foot brake brake gear - Google Patents

Abstract

The utility model discloses a foot braking brake device for a harvester, which comprises a brake mechanism and a locking mechanism; The rotating shaft is hinged with the lower end of the harvester chassis mounting seat, the lower end of the foot brake pedal is fixed with a stopper rod, the upper end of the rotating arm on the rotating shaft is connected with the brake cable, and the two ends of the first spring are respectively hooked on the rotating arm and the frame; the locking mechanism It includes a mounting plate, a locking plate, a separation pedal, a fixing plate and a second extension spring. The lower end of the locking plate is hinged to the bottom of the mounting plate. There is a card slot in the middle of the inner side of the locking plate, and the separation pedal is fixed on the top of the locking plate. The two ends of the two extension springs are respectively hooked on the lower end of the locking plate and the fixing plate. The utility model can automatically lock and unlock the foot brake pedal, has a simple structure, is safe and reliable, saves effort for braking and parking, and has a good braking effect. The whole process does not require manual operation by an operator, and is very convenient to use.

Description

Harvester foot brake brake device

technical field

The utility model relates to a harvester brake device, in particular to a harvester brake device capable of automatic locking, belonging to the technical field of agricultural machinery.

Background technique

At present, when the combine harvester is parked, the mechanical lever swing type foot brake is usually used. When the brake pedal is stepped on, the lever connected to the lower end of the brake pedal rotates around the fulcrum, thereby pushing the brake steering arm through the brake cable to realize the harvester braking and locking. In the braking state, turn the locking plate by hand to lock the brake pedal on the locking plate. The above structure requires the operator to manually lock the brake pedal to complete parking, and also needs manual operation when unlocking, which is extremely inconvenient to use and low in work efficiency.

Utility model content

The purpose of the utility model is to provide a harvester foot braking device with simple structure, convenient use and high working efficiency.

The utility model is realized through the following technical solutions:

A harvester foot braking brake device, including a braking mechanism and a locking mechanism; the braking mechanism is arranged on the underside of the driver's platform, and the braking mechanism includes a foot brake swing arm, a foot brake pedal, a first tension spring and a limit combination, The upper end of the foot brake swing arm passes through the driving platform, the lower end of the foot brake swing arm is hinged to the lower end of the harvester chassis mounting seat through the rotating shaft, the foot brake pedal is fixed on the top of the foot brake swing arm, and the side of the connecting plate at the lower end of the foot brake pedal is fixed vertically outward. The upper end of the rotating arm vertically fixed on the rotating shaft is connected with one end of the brake cable. The first spring is arranged on the lower side of the brake cable. The combination is set on the side of the harvester chassis mounting seat; the locking mechanism is set on the side of the brake mechanism. The locking mechanism includes a mounting plate, a locking plate, a separation pedal, a fixing plate and a second tension spring, and the mounting plate is fixed on the bottom of the driving platform. , the lower end of the locking plate passes through the driver’s console and the mounting plate, and is hinged with the lugs on both sides of the bottom of the mounting plate. There is a card slot in the middle of the inner side of the locking plate. In the draw-in groove, the lower end of the separation pedal is fixed on the upper end of the locking plate, the fixing plate is fixed on the inside of the mounting plate at the bottom of the driver's platform, and the two ends of the second extension spring are respectively hooked on the lower end of the locking plate and the fixing plate.

The purpose of this utility model can also be further realized by the following technical measures.

The aforementioned harvester foot brake brake device, wherein the limiting combination includes a limiting plate and a rubber buffer pad, the limiting plate is vertically fixed on the lower end of the foot brake swing arm, and the rubber buffer pad is fixed on the harvester chassis for installation On one side of the seat, after the brake is released, the limiting plate is against the rubber cushion.

In the aforementioned harvester foot brake device, the mounting plate is provided with a limit hole, and the lower end of the locking plate passes through the driver’s platform and the limit hole of the mounting plate, and is hinged with the ear plates on both sides of the bottom of the mounting plate, and the inner side of the locking plate The lower end abuts against one end of the limiting hole.

In the aforementioned harvester foot braking device, several rotating arms are fixed side by side on the rotating shaft.

In the aforementioned harvester foot brake device, the foot brake swing arm is in an arc-shaped structure.

The utility model has the advantages of simple structure, safety and reliability, labor-saving braking and parking, and good braking effect. When the harvester brakes, step on the foot brake pedal to automatically lock the foot brake pedal on the locking plate through the stop lever. Automatically unlock and return, the whole process does not require manual operation by the operator, it is very convenient to use and high in work efficiency. When the foot brake pedal returns, the limit plate on the foot brake swing arm abuts against the rubber cushion to ensure that the foot brake pedal returns accurately, and the return is stable and reliable. In addition, when the brake is released and the separation pedal is automatically returned, the lower end of the locking plate abuts against the limiting hole of the mounting plate to prevent it from swinging back. The swing arm of the foot brake adopts an arc structure with simple process and low cost.

The advantages and characteristics of the invention are illustrated and explained by the following non-limiting description of preferred embodiments, which are given by way of example only with reference to the accompanying drawings.

Description of drawings

Fig. 1 is a structural representation of the utility model;

Fig. 2 is a structural schematic diagram of the locked state of the foot brake pedal of the present invention.

detailed description

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

As shown in FIGS. 1 and 2 , the utility model includes a braking mechanism 1 and a locking mechanism 2 . The brake mechanism 1 is arranged on the lower side of the driver's platform 3, and includes a foot brake swing arm 11, a foot brake pedal 12, a first extension spring 13 and a limit combination 14, the foot brake swing arm 11 is an arc structure, and the foot brake swing arm 11 upper end Through the driver's platform 3, the lower end of the foot brake swing arm 11 is hinged with the lower end of the harvester chassis mount 4 through the rotating shaft 15, and three rotating arms 16 are vertically fixed side by side on the rotating shaft 15. The lower end of the foot brake pedal 12 is fixed on the top of the foot brake swing arm 11 by a fastener, and one side of the connecting plate at the lower end of the foot brake pedal 12 is fixed with a gear lever 17 vertically outward, and the upper end of a rotating arm 16 is connected with the left end of the brake cable 5. The first spring 13 is arranged on the lower side of the brake pull wire 5, and the two ends of the first spring 13 are horizontally hooked on the middle part of the pivoting arm 16 and the harvester frame respectively. Limiting combination 14 is arranged on harvester chassis mount 4 left side, comprises limiting plate 141 and rubber bumper 142, and limiting plate 141 is vertically welded on the lower end of foot brake swing arm 11, and rubber buffering pad 142 passes fastener It is fixed on the left side of the mounting base 4 of the harvester chassis, and after the brake is released, the limiting plate 141 leans against the rubber buffer pad 142 .

The locking mechanism 2 is arranged on the left side of the braking mechanism 1, and the locking mechanism 2 includes a mounting plate 21, a locking plate 22, a separation pedal 23, a fixing plate 24 and a second tension spring 25, and the mounting plate 21 is fixed on the driver's seat by fasteners. At the bottom of the platform 3, the mounting plate 21 is provided with a limit hole 211, the lower end of the locking plate 22 passes through the driver's platform 3 and the mounting plate limit hole 211, and is hinged with the ear plates on both sides of the bottom of the mounting plate 21, and the inner lower end of the locking plate 22 is against On the right end of the limiting hole 211. The inner middle part of the locking plate 22 is provided with a draw-in groove 221. When braking, the gear bar 17 on one side of the connecting plate at the lower end of the foot brake pedal 12 is engaged in the draw-in groove 221, and the lower end of the separation pedal 23 is fixed on the locking plate by fasteners. On the plate 22 upper end, the fixed plate 24 is fixed on the inside of the mounting plate 21 at the bottom of the driver's platform 3 by fasteners, and the second extension spring 25 two ends are hooked on the locking plate 22 lower end and the fixed plate 24 respectively.

As shown in Figure 1, when the harvester brakes, step down on the foot brake pedal 12 in the direction shown in the figure, and the foot brake swing arm 11 drives the rotating shaft 15 to rotate counterclockwise around the center of the rotating shaft 15, and the rotating arm 16 on the rotating shaft 15 also follows Turn counterclockwise, and at the same time, the rotating arm 16 drives the brake cable 5 to move to the left. At this time, the first tension spring 13 is stretched, and the limit plate 141 is separated from the rubber buffer pad 142. When the stopper 17 on the foot brake pedal 12 is locked When the plate 22 inboard draw-in groove 221, the foot brake pedal 12 is automatically locked, and the harvester completes the braking, as shown in Figure 2. When the harvester releases the brake, step on the separation pedal 23 in the direction shown in Figure 2, the separation pedal 23 drives the locking plate 22 to rotate counterclockwise, and at this time the stop rod 17 on the foot brake pedal 12 breaks away from the slot on the locking plate 22 221, the second extension spring 25 is stretched, and the foot brake swing arm 11 drives the foot brake pedal 12 to return automatically under the restoring force of the first extension spring 13. When the limit plate 141 is against the rubber buffer pad 142, the foot When the brake pedal 12 returns to its original position, the locking plate 22 automatically returns under the restoring force of the second extension spring 25, and its lower end abuts against the limiting hole 211 of the mounting plate, and the brake release is completed.

In addition to the above-mentioned embodiments, the utility model can also have other implementation modes, and all technical solutions formed by equivalent replacement or equivalent transformation all fall within the scope of protection required by the utility model.

Claims (5)

1. a kind of harvester foot brake brake gear, it is characterised in that：Including braking mechanism and lockable mechanism；The braking mechanism It is arranged on the downside of bridge, braking mechanism is included in service brake swing arm, service brake pedal, the first extension spring and spacing combination, service brake swing arm End is through bridge, and service brake swing arm lower end is hinged by rotating shaft with harvester chassis mounting seat lower end, and service brake pedal is fixed on pin Stop on swing arm top, service brake pedal lower end connecting plate side is vertically outwards installed with pin, is vertically fixed on the pivoted arm in rotating shaft Upper end is connected with brake bracing wire one end, and the first spring is arranged on the downside of brake bracing wire, and level is hooked on the first both ends of the spring respectively In the middle part of pivoted arm and in frame, spacing combination is arranged on harvester chassis mounting seat side；Lockable mechanism is arranged on braking mechanism one Side, lockable mechanism includes installing plate, locking plate, cut-out pedal, fixed plate and the second extension spring, and installing plate is fixed on bridge bottom Portion, locking plate lower end passes through bridge and installing plate, is hinged with installing plate two bottom sides otic placode, and locking plate middle inside is provided with card Groove, during skidding, the pin of service brake pedal lower end connecting plate side is connected in the neck, and cut-out pedal lower end is fixed on On locking plate upper end, fixed plate is fixed on the inside of bridge bottom mounting plate, and the second extension spring two ends are hooked under locking plate respectively On end and fixed plate.

2. harvester foot brake brake gear as claimed in claim 1, it is characterised in that：The spacing combination includes limiting plate And rubber buffer, the limiting plate is vertically on fixed service brake swing arm lower end, and rubber buffer is fixed on harvester chassis installation Seat side, after brake is released, limiting plate is resisted against on rubber buffer.

3. harvester foot brake brake gear as claimed in claim 1, it is characterised in that：The installing plate is provided with spacing Hole, locking plate lower end passes through bridge and installing plate spacing hole, is hinged with installing plate two bottom sides otic placode, locking plate inside lower end It is resisted against on described spacing hole one end.

4. harvester foot brake brake gear as claimed in claim 1, it is characterised in that：Number is installed with side by side in the rotating shaft Individual pivoted arm.

5. harvester foot brake brake gear as claimed in claim 1, it is characterised in that：The service brake swing arm is arc knot Structure.