阅读说明：本技术 一种带手刹制动卡钳 (Brake caliper with hand brake ) 是由 王庆云 李维 张�杰 于 2020-12-30 设计创作，主要内容包括：本发明公开了一种带手刹制动卡钳,涉及农用机械制动卡钳技术领域,包括制动卡钳本体和支架,制动卡钳本体内部设有空腔,空腔内设有活塞；制动卡钳本体顶部位于推杆两侧设有螺母,螺母内设有活节螺栓,活节螺栓之间设有转轴,转轴上设有摆臂。本发明采用踏板式与手动式相结合的设计,具有两种刹车方式,在制动系统发生故障失效时,能及时用手拉动操作杆快速刹车,保证行车安全；本手动制动卡钳配件少,故障率低,维修方便,降低了使用成本。(The invention discloses a brake caliper with a hand brake, which relates to the technical field of brake calipers of agricultural machinery, and comprises a brake caliper body and a bracket, wherein a cavity is arranged in the brake caliper body, and a piston is arranged in the cavity; the top of the brake caliper body is provided with nuts positioned on two sides of the push rod, movable joint bolts are arranged in the nuts, a rotating shaft is arranged between the movable joint bolts, and a swing arm is arranged on the rotating shaft. The invention adopts the design of combining the pedal type with the manual type, has two brake modes, and can quickly brake by pulling the operating rod by hands in time when the brake system fails, thereby ensuring the driving safety; the manual brake caliper has the advantages of few accessories, low failure rate, convenience in maintenance and reduction in use cost.)

1. The utility model provides a take hand brake caliper, includes brake caliper body and support, the support is installed to the bottom of brake caliper body, installs brake disc, its characterized in that on the support: the brake caliper comprises a brake caliper body and is characterized in that a cavity is formed in the brake caliper body, a piston is arranged in the cavity, a rectangular ring and a piston dust cover are sequentially arranged at the position, close to the bottom of the cavity, of the brake caliper body, a first friction plate is arranged at the bottom of the piston, a second friction plate is arranged at the position, corresponding to the first friction plate, of the bottom of the brake caliper body, a brake disc is located between the first friction plate and the second friction plate, a push rod is arranged at the top of the piston, and; the brake caliper is characterized in that nuts are arranged on two sides of the push rod at the top of the brake caliper body and fixedly connected with the brake caliper body, eyelet bolts are arranged in the nuts, a rotating shaft is arranged between the eyelet bolts, a swing arm is arranged on the rotating shaft, a protruding portion is arranged at one end, close to the push rod, of the swing arm and is in contact with the top of the push rod, and a mounting hole is formed in the other end of the swing arm.

2. A brake caliper with hand brake according to claim 1, characterized in that: and a sealing ring is arranged on the brake caliper body around the push rod.

3. A brake caliper with hand brake according to claim 1, characterized in that: the brake caliper is characterized in that a guide pillar is arranged on the brake caliper body, and a first friction plate and a second friction plate are sleeved on the guide pillar.

4. A brake caliper with hand brake according to claim 1 or 3, characterized in that: the brake caliper is characterized in that a fixed rod is arranged on the brake caliper body, a reset spring is sleeved on the fixed rod, and the bottom of the fixed rod is fixedly connected with the first friction plate.

5. A brake caliper with hand brake according to claim 1, characterized in that: and the brake caliper body is provided with a deflation screw capable of adjusting the pressure in the cavity.

6. A brake caliper with hand brake according to claim 1, characterized in that: the push rod is fixedly connected with the piston, and the piston is fixedly connected with the first friction plate.

7. A brake caliper with hand brake according to claim 1, characterized in that: the swing arm is approximately L-shaped.

Technical Field

The invention relates to the technical field of brake calipers of agricultural machinery, in particular to a brake caliper with a hand brake.

Background

Agricultural machinery refers to various machines used in the production process of crop planting and animal husbandry, as well as in the primary processing and treatment process of agricultural and animal products. Agricultural machinery includes agricultural power machinery, farmland construction machinery, soil farming machinery, planting and fertilizing machinery, plant protection machinery, farmland irrigation and drainage machinery, crop harvesting machinery, agricultural product processing machinery, animal husbandry machinery, agricultural transportation machinery and the like. Agricultural machines all require the use of brake calipers to brake. The existing brake caliper is of a pedal type, and when the brake caliper or a brake system fails, the brake cannot be braked; moreover, most of the agricultural harvesting machines are operated on hillsides, so that serious accidents such as vehicle collision and the like are easily caused.

Disclosure of Invention

The invention aims to solve the problems and provide a brake caliper with a hand brake.

The invention realizes the purpose through the following technical scheme:

a brake caliper with a hand brake comprises a brake caliper body and a support, wherein the support is installed at the bottom of the brake caliper body, a brake disc is installed on the support, a cavity is formed in the brake caliper body, a piston is arranged in the cavity, a rectangular ring and a piston dust cover are sequentially arranged on the brake caliper body at a position close to the bottom of the cavity, a first friction plate is arranged at the bottom of the piston, a second friction plate is arranged at a position, corresponding to the first friction plate, of the bottom of the brake caliper body, the brake disc is located between the first friction plate and the second friction plate, a push rod is arranged at the top of the piston, and the push rod extends; the brake caliper is characterized in that nuts are arranged on two sides of the push rod at the top of the brake caliper body and fixedly connected with the brake caliper body, eyelet bolts are arranged in the nuts, a rotating shaft is arranged between the eyelet bolts, a swing arm is arranged on the rotating shaft, a protruding portion is arranged at one end, close to the push rod, of the swing arm and is in contact with the top of the push rod, and a mounting hole is formed in the other end of the swing arm.

Preferably, a sealing ring is arranged on the brake caliper body around the push rod.

Preferably, the brake caliper body is provided with a guide pillar, and the guide pillar is sleeved with a first friction plate and a second friction plate.

Preferably, the brake caliper body is provided with a fixing rod, the fixing rod is sleeved with a return spring, and the bottom of the fixing rod is fixedly connected with the first friction plate.

Preferably, the brake caliper body is provided with a deflation screw capable of adjusting the pressure in the cavity.

Preferably, the push rod is fixedly connected with the piston, and the piston is fixedly connected with the first friction plate.

Preferably, the swing arm is approximately L-shaped.

The invention has the beneficial effects that: the invention adopts the design of combining the pedal type with the manual type, has two brake modes, and can quickly brake by pulling the operating rod by hands in time when the brake system fails, thereby ensuring the driving safety; the hand brake caliper enables the agricultural machinery to stop on a slope road, and the use is flexible and convenient; compared with the electronic manual brake calipers, the manual brake calipers have the advantages of simpler structure, fewer accessories, low failure rate, convenience in maintenance and reduction of use cost.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a left side view of the present invention;

FIG. 3 is a top view of the present invention;

fig. 4 is a sectional view taken along line a-a in fig. 3.

Wherein: 1. a rotating shaft; 2. an eye bolt; 3. a nut; 4. swinging arms; 5. a brake caliper body; 6. a support; 7. a guide post; 8. fixing the rod; 9. a return spring; 10. a deflating screw; 11. a boss portion; 12. a push rod; 13. a seal ring; 14. a piston; 15. a rectangular ring; 16. a piston dust cover; 17. a first friction plate; 18. a second friction plate; 19. and (7) installing holes.

Detailed Description

The invention will be further described with reference to the accompanying drawings in which:

as shown in fig. 1 and 4, the brake caliper comprises a brake caliper body 5 and a bracket 6, wherein the bracket 6 is installed at the bottom of the brake caliper body 5, and a brake disc is installed on the bracket 6. The inside cavity that is equipped with of brake caliper body 5 is equipped with piston 14 in the cavity. The brake caliper body 5 is provided with a rectangular ring 15 and a piston dust cover 16 in sequence at a position near the bottom of the cavity. The bottom of the piston 14 is provided with a first friction plate 17. A second friction plate 18 is arranged at the bottom of the brake caliper body 5 corresponding to the first friction plate 17. The brake disc is located between the first friction plate 17 and the second friction plate 18. The brake caliper body 5 is provided with a guide post 7, and the guide post 7 is sleeved with a first friction plate 17 and a second friction plate 18. The top of the piston 14 is provided with a push rod 12, the push rod 12 extends out from the top of the brake caliper body 5, and the brake caliper body 5 around the push rod 12 is provided with a sealing ring 13. The push rod 12 is fixedly connected with the piston 14, and the piston 14 is fixedly connected with the first friction plate 17. The brake caliper body 5 is provided with a fixing rod 8, the fixing rod 8 is sleeved with a return spring 9, and the bottom of the fixing rod 8 is fixedly connected with a first friction plate 17. As shown in fig. 1, 2 and 3, nuts 3 are arranged on two sides of a push rod 12 at the top of the brake caliper body 5, and the nuts 3 are fixedly connected with the brake caliper body 5. The nut 3 is internally provided with an eyelet bolt 2. A rotating shaft 1 is arranged between the eye bolts 2, and a swing arm 4 is arranged on the rotating shaft 1. The swing arm 4 is approximately L-shaped. As shown in FIG. 4, a protrusion 11 is provided at one end of the swing arm 4 close to the push rod 12, the protrusion 11 contacts with the top of the push rod 12, and a mounting hole 19 is provided at the other end of the swing arm 4. The brake caliper body 5 is provided with a bleeder screw 10 which can adjust the pressure in the cavity.

When the brake caliper works, a sealed system is formed by the brake caliper body 5, the piston 14, the rectangular ring 15, the push rod 12 and the sealing ring 13, when a driver steps on a pedal, brake fluid enters the cavity through a pipeline, the piston 14 is pushed by the brake fluid to slide downwards, the piston 14 drives the first friction plate 17 and the second friction plate 18 to be tightly attached to a brake disc, so that the vehicle is braked, the prior art is adopted, the pedal is not needed to be added, and the first friction plate 17 drives the piston 14 to reset under the action of the reset spring 9; the action bars is connected with the wire drawing, the wire drawing is connected with mounting hole 19 of swing arm 4, when the driver pulls the action bars, swing arm 4 upwards rotates, protruding portion 11 of swing arm 4 extrudes the top of push rod 12 to make push rod 12 slide downwards, push rod 12 pushes piston 14 to slide downwards, piston 14 drives first friction disc 17 and second friction disc 18 to hug closely the brake disc, thereby brake the car, when loosening the action bars, swing arm 4 automatically rotates downwards under the action of dead weight, first friction disc 17 drives piston 14 under the action of reset spring 9 to reset, when piston 14 resets, push rod 12 also resets simultaneously.

The above are only preferred embodiments of the present invention, and do not limit the scope of the claims of the present invention. Those skilled in the art will appreciate that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention. The scope of the invention is defined by the claims and their equivalents.