CN113479174A

CN113479174A - Parking device

Info

Publication number: CN113479174A
Application number: CN202110945543.0A
Authority: CN
Inventors: 侯学武; 许璞; 李亚飞; 侯洋
Original assignee: Suzhou Wansheng Construction Machinery Co ltd
Current assignee: Xuzhou Wins Construction Mechanical Co ltd
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2021-10-08

Abstract

A parking device belongs to the technical field of vehicle parking. The method comprises the following steps: brake discs and brake calipers; further comprising: the wire drawing device comprises a driver, a driving body, a lifting body, a wire drawing device and a base; the driver is fixedly connected to the base, and the jacking sliding block of the wire drawing device is positioned in the jacking slideway of the base; the driver is connected with the driving body, the driving body is in lap joint with the lifting body, the lifting body is fixedly connected to the wire pulling device, and a pull wire of the wire pulling device is connected with the brake caliper; under the action of the driver, the driving body drives the lifting body to move to pull the wire pulling device, the wire pulling device pulls the brake caliper, and the brake caliper tightly clamps the brake disc to brake the vehicle. The parking brake mechanism can automatically lock all four wheels simultaneously; convenient, reliable, durable, energy-saving and better stability. The brake has the advantages of high response speed, small installation space, simple structure, convenient maintenance, low cost and no hidden trouble. The advantages are that: the parking device jacks up the brake stay wire through power, the parking speed is high, the labor is saved, and the parking effect is good.

Description

Parking device

Technical Field

The invention relates to the technical field of vehicle parking, in particular to a parking device.

Background

Currently, a running vehicle must be equipped with a braking system that includes a service brake that controls deceleration or stopping of the vehicle during running and a parking brake that controls the vehicle to not roll when the vehicle is parked.

The service brake is commonly called as a foot brake, the parking and parking device is commonly called as a hand brake, and the service brake comprises a brake disc and brake calipers, wherein the brake disc and a wheel are coaxially arranged, the brake calipers are arranged on a vehicle chassis, and the brake calipers are positioned on the brake disc; the control handles of the foot brake and the hand brake which are arranged in the cab of the vehicle are connected with the brake caliper through brake cables, the clamping degree of the brake caliper on a brake disc is controlled when the foot brake is stepped down, the vehicle is forced to decelerate or stop in the driving process, the foot brake is released, the brake caliper is released, and the brake caliper does not clamp the brake disc any more; and controlling a hand brake, locking a brake caliper to tightly clamp a brake disc, and controlling the vehicle not to slide when the vehicle is parked.

The existing parking brake includes: hand brake, air-break brake and electronic brake.

The control handle of the hand brake is connected with the brake caliper through the brake cable transition frame, and the hand brake handle controls the brake caliper to lock and tightly clamp the brake disc through the brake cable. There are problems in that: braking only the rear wheels; the braking force is small under the limitation of the pulling force of the handle; the vehicle is easy to slide when starting on a hill. The hand brake handle is used for controlling 4 brake calipers to park and brake, so that great force is required to pull the hand brake handle to a working position, and the braking force is not ideal.

The air-break brake comprises: drum brake, strong spring brake, relay, energy accumulator and manual brake valve; the engine collects gas into the energy accumulator through the input end of the energy accumulator by the air pump, the output end of the energy accumulator is connected with one input end of the relay through the air pipe, the output end of the energy accumulator is also connected with the other input end of the relay through the air pipe and the manual brake valve, and the output end of the relay is connected with the drum brake through the powerful spring brake. There are problems in that: if the air pipe leaks air, the automobile can automatically brake, and the automobile can not run; heavy weight, complex structure, high maintenance cost and high cost.

The electronic brake includes: the electronic brake caliper comprises an electronic brake caliper, a control computer board and a brake button, wherein the electronic brake caliper is clamped on a brake disc and is connected with the output end of the control computer board, the input end of the control computer board is connected with the brake button through a control circuit, an engine power supply is connected with a power supply, and the power supply simultaneously supplies power to the electronic brake caliper, the control computer board and the brake button. Most of electronic hand brakes are integrated in a plastic box on a rear brake cylinder and are provided with an inductor, a motor and a locking device. There are problems in that: the maintenance cost is high, and the purchase cost is high; when the vehicle is suddenly powered off, the electronic hand brake function is lost; when the vehicle runs through a ponding road section, water enters the execution device of the electronic hand brake and is easy to damage, and when the vehicle is replaced, a whole set of brake slave cylinder needs to be replaced, so that the maintenance cost is high.

Disclosure of Invention

The invention aims to provide a parking device, which is high in parking speed, labor-saving and good in parking effect by jacking a brake pull wire through a hydraulic cylinder.

The purpose of the invention is realized as follows: the parking device includes: brake discs and brake calipers;

further comprising: the wire drawing device comprises a driver, a driving body, a lifting body, a wire drawing device and a base;

the driver is fixedly connected to the base, and the jacking sliding block of the wire drawing device is positioned in the jacking slideway of the base;

the driver is connected with the driving body, the driving body is in lap joint with the lifting body, the lifting body is fixedly connected to the wire pulling device, and a pull wire of the wire pulling device is connected with the brake caliper; under the action of the driver, the driving body drives the lifting body to move to pull the wire pulling device, the wire pulling device pulls the brake caliper, and the brake caliper tightly clamps the brake disc to brake the vehicle.

The driver is a hydraulic driver; the hydraulic driver is a linear hydraulic cylinder, a swing oil cylinder, a rotary hydraulic cylinder or a hydraulic motor; or a pneumatic driver, wherein the pneumatic driver is a linear pneumatic cylinder, a rotary pneumatic cylinder or a pneumatic motor; or an electric driver which is a rotary motor, a linear motor or an electromagnet.

The driving body corresponds to the lifting body, and the driving body drives the lifting body to do lifting or descending motion.

The driving body and the lifting body are a pair of mutually-acting inclined blocks, and a plane is arranged at the end part of each inclined block; the driving body is a driving inclined block, the lifting body is a driven inclined block, and the driven inclined block is fixedly connected to the stay wire fixing shaft; the driving inclined block drives the driven inclined block to move upwards along the inclined plane of the driving inclined block under the driving of forward acting force of the driver until reaching the plane of the end parts of the two inclined blocks and stop, otherwise, the driven inclined block moves downwards; the stay wire fixing shaft drives the stay wire device to do lifting or descending motion.

Or the eccentric wheel is a driving body, the push-pull block is a lifting body, and the push-pull block is fixedly connected to the stay wire fixing shaft; the eccentric wheel rotates to the highest point under the action of the driver and stops, the eccentric wheel drives the push-pull block to do lifting motion, and otherwise, the push-pull block does descending motion; the stay wire fixing shaft drives the stay wire device to do lifting or descending motion.

Or a pair of interacting worms, the driving body is a driving worm, the lifting body is a driven worm, and the driven worm is fixedly connected to the stay wire fixing shaft; under the action of forward rotation of the driver, the driving worm drives the driven worm to move up, and on the contrary, the driven worm moves down; the stay wire fixing shaft drives the stay wire device to do lifting or descending motion.

Or a worm and a rack which are mutually acted, wherein the worm is a driving body, the rack is a lifting body, and the rack is fixedly connected to the stay wire fixing shaft; under the action of forward rotation of the worm, the worm drives the rack to move up, and otherwise, the rack moves down; the stay wire fixing shaft drives the stay wire device to do lifting or descending motion.

Or a screw rod and a nut sleeve which are mutually acted, the driving body is a screw rod, the lifting body is a nut sleeve, and the nut sleeve is fixedly connected on the stay wire fixing shaft; under the action of forward rotation of the driver, the screw drives the nut sleeve to do ascending motion, otherwise, the nut sleeve does descending motion; the stay wire fixing shaft drives the stay wire device to do lifting or descending motion.

The wire drawing device comprises: the pull wire fixing shaft, the jacking sliding block and the pull wire assembly are arranged on the base; the two jacking sliding blocks are provided, the stay wire fixing shaft penetrates through the two jacking sliding blocks and is connected into a whole, and a gap for installing the lifting body is arranged between the two jacking sliding blocks; two ends of the stay wire fixing shaft are connected with stay wire assemblies.

The two groups of stay wire assemblies have the same structure and are respectively connected to two ends of the stay wire fixing shaft; the method comprises the following steps: the pull wire triangular block, the pull wire and the pull wire guide sleeve are arranged on the base; two ends of the stay wire triangular block are provided with stay wire holes, stay wires are hinged on the stay wire holes through hinged joints, and the stay wires penetrate through the stay wire guide sleeves; the stay wire triangular blocks at the symmetrical centers of the two stay wire holes are provided with fixed hole sleeves which are fixedly connected on the stay wire fixed shaft.

The two corresponding side walls of the base are provided with jacking slideways; the base at the lower part of the jacking slideway is connected with a stay wire fixing frame, and the stay wire fixing frame is connected with a stay wire fixing sleeve.

The parking brake has the beneficial effects that due to the adoption of the scheme, compared with the existing hand brake, the parking brake is safer, cheaper in maintenance, higher in reliability and more energy-saving.

Parking brake (hand brake) is a device (technology) for realizing parking brake in a hydraulic control mode. The parking brake (hand brake) of the invention has the working principle that the parking brake is controlled by the friction force generated by a brake disc (brake pot) and a brake pad. The control mode is changed from the prior mechanical hand brake pull rod into a hydraulic handle. In brief, the parking brake (hand brake) is different from the existing hand brake in that the existing set of hydraulic system of the engineering vehicle is used, and when a hydraulic hand brake operating lever is pushed and pulled, the step of pulling the hand brake by a driver is replaced by an oil cylinder to realize the parking brake. The parking brake has a little energy consumption only when it is released and tightened, and after braking, the parking brake (hand brake) mechanism can be locked by itself, at which time the parking brake (hand brake) cannot be released even if the engine is stopped. The stability of the vehicle is ensured, and accidents caused by unexpected displacement of the engineering vehicle during the construction of the slope road surface are avoided.

When the parking device works, the parking brake (hand brake) mechanism can automatically lock all four wheels simultaneously. Compared with the existing hand brake, the hand brake is more convenient, reliable, durable, energy-saving and has better balance stability. The brake has the advantages of high response speed, small installation space, simple structure, convenient maintenance, lower purchase cost and maintenance cost and no fault hidden trouble.

The parking device jacks up the brake pull wire through the hydraulic cylinder, has high parking speed, labor saving and good parking effect, overcomes the defects of high labor consumption and unsatisfactory braking effect of a common hand brake, and achieves the aim of the invention.

The advantages are that: the parking device jacks up the brake stay wire through power, the parking speed is high, the labor is saved, and the parking effect is good.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a left side view of the structure of fig. 1.

Fig. 3 is a schematic view of the structure of the wire assembly of the present invention.

Fig. 4 is a schematic structural view of the wire pulling slider assembly of the present invention.

Fig. 5 is a sectional view of the parking brake of the present invention in an unbraked state.

Fig. 6 is a sectional view showing the parking brake of the present invention in a braking state.

Fig. 7 is a schematic structural view of a parking brake of a cam driving body according to the present invention.

Fig. 8 is a side view schematic of the structure of fig. 7.

Fig. 9 is a schematic view showing a structure in which the cam driving body and the elevating body are coupled according to the present invention.

Fig. 10 is a schematic view of a parking device for driving a screw shaft according to the present invention.

FIG. 11 is a schematic view of the combination structure of the driving body and the elevating body of the screw shaft according to the present invention.

Fig. 12 is a schematic structural view of a parking device with a driving screw driver according to the present invention.

Fig. 13 and 11 are schematic views showing the combination structure of the driving screw driver and the lifting body according to the present invention.

In the figure, 1, an oil cylinder; 2. an oil cylinder pin shaft; 3. a fixed mount; 4. a bottom pallet; 5. a stay wire fixing frame; 6. a drive body; 7. a lifting body; 8. a stay wire fixing shaft; 9. a stay wire triangular block; 10. jacking a sliding block; 11. jacking a slideway; 12. a pull wire; 13. a stay wire fixing sleeve; 14. a base; 15. a cam; 16. a screw shaft; 17. a pneumatic motor; 18. an electric motor; 19. an output shaft of the motor; 20. a drive worm; 21. a driven worm.

Detailed Description

The parking device includes: brake discs and brake calipers;

further comprising: a driver, a driving body 6, a lifting body 7, a wire drawing device and a base 14; the driver, the driving body 6, the lifting body 7 and the wire pulling device are all connected on the base 14;

the driver is connected with the driving body 6, the driving body 6 is lapped with the lifting body 7, the lifting body 7 is connected with the wire pulling device, and a pull wire of the wire pulling device is connected with the brake caliper; under the action of the driver, the driving body 6 drives the lifting body 7 to move to pull the wire pulling device, the wire pulling device pulls the brake caliper, and the brake caliper tightly clamps the brake disc to brake the vehicle.

The driving body 6 corresponds to the lifting body 7, and the driving body 6 drives the lifting body 7 to move up and down.

The driving body 6 and the lifting body 7 are a pair of mutually-acting inclined blocks, and a plane is arranged at the end part of each inclined block; the driving body is a driving inclined block, the lifting body is a driven inclined block, and the driven inclined block is fixedly connected to the stay wire fixing shaft 8; the driving inclined block drives the driven inclined block to move upwards along the inclined plane of the driving inclined block under the driving of forward acting force of the driver until reaching the plane of the end parts of the two inclined blocks and stop, otherwise, the driven inclined block moves downwards; the stay wire fixing shaft 8 drives the stay wire device to do lifting or descending motion.

The driving body 6 and the lifting body 7 are eccentric wheels and push-pull blocks, the eccentric wheels are driving bodies, the push-pull blocks are lifting bodies, and the push-pull blocks are fixedly connected to the stay wire fixing shaft 8; the eccentric wheel rotates to the highest point under the action of the driver and stops, the eccentric wheel drives the push-pull block to do lifting motion, and otherwise, the push-pull block does descending motion; the stay wire fixing shaft 8 drives the stay wire device to do lifting or descending motion.

The driving body 6 and the lifting body 7 are a pair of mutually-acting worms, the driving body is a driving worm 20, the lifting body is a driven worm 21, and the driven worm 21 is fixedly connected to the stay wire fixing shaft 8; under the action of forward rotation of the driver, the driving worm 20 drives the driven worm 21 to move up, and conversely, the driven worm 21 moves down; the stay wire fixing shaft 8 drives the stay wire device to do lifting or descending motion.

The driving body 6 and the lifting body 7 are a worm and a rack which are mutually interacted, the worm is a driving body, the rack is a lifting body, and the rack is fixedly connected to the stay wire fixing shaft 8; under the action of forward rotation of the worm, the worm drives the rack to move up, and otherwise, the rack moves down; the stay wire fixing shaft 8 drives the stay wire device to do lifting or descending motion.

The driving body 6 and the lifting body 7 are a screw rod and a nut sleeve which are mutually interacted, the driving body is a screw rod, the lifting body is a nut sleeve, and the nut sleeve is fixedly connected to the stay wire fixing shaft 8; under the action of forward rotation of the driver, the screw drives the nut sleeve to do ascending motion, otherwise, the nut sleeve does descending motion; the stay wire fixing shaft 8 drives the stay wire device to do lifting or descending motion.

The wire drawing device comprises: the pull wire fixing shaft 8, the jacking sliding block 10 and the pull wire assembly; the number of the jacking sliding blocks 10 is two, the stay wire fixing shaft 8 penetrates through the two jacking sliding blocks 10 and is connected into a whole, and a gap for installing a lifting body is arranged between the two jacking sliding blocks 10; two ends of the stay wire fixing shaft 8 are connected with stay wire assemblies.

The two groups of stay wire assemblies have the same structure and are respectively connected to two ends of the stay wire fixing shaft; the method comprises the following steps: the pull wire triangular block 9, the pull wire 12 and the pull wire guide sleeve 13; two ends of the stay wire triangular block 9 are provided with stay wire holes, stay wires 12 are hinged on the stay wire holes through hinges, the stay wires 12 penetrate through a stay wire guide sleeve 13, and fixed hole sleeves are arranged on the stay wire triangular block 9 at the symmetrical centers of the two stay wire holes and are fixedly connected on a stay wire fixing shaft 8.

The two corresponding side walls of the base are provided with jacking slideways 11; a pull line fixing frame 5 is connected on the base at the lower part of the jacking slideway 11, and a pull line fixing sleeve 13 is connected on the pull line fixing frame 5.

Example 1: the parking device includes: brake discs and brake calipers; the service brake and the parking device share a brake disc and a brake caliper. The brake disc and the wheel are coaxially arranged, the brake caliper is arranged on the vehicle chassis, and the brake caliper is positioned on the brake disc; the control handles of the foot brake and the hand brake which are arranged in the cab of the vehicle are connected with the brake caliper through brake cables.

When the vehicle is braked in a running process, the foot brake is stepped on, namely the clamping degree of the brake caliper on the brake disc is controlled, the vehicle is forced to decelerate or stop in the running process, the foot brake is released, the brake caliper is released, and the brake caliper does not clamp the brake disc any more;

when the vehicle is parked, the parking device is controlled, the brake caliper locks the caliper tightly to the brake disc, and the vehicle is controlled not to slide when the vehicle is parked.

The parking and parking device further comprises: a driver, a driving body 6, a lifting body 7, a wire drawing device and a base 14;

the driver is fixedly connected to the base 14, and the jacking slide block 10 of the wire drawing device is positioned in the jacking slide way 11 of the base;

the driver is connected with the driving body 6, the driving body 6 is lapped with the lifting body 7, the lifting body 7 is fixedly connected to the wire pulling device, and a pull wire of the wire pulling device is connected with the brake caliper; under the action of the driver, the driving body drives the lifting body to move to pull the wire pulling device, the wire pulling device pulls the brake caliper, and the brake caliper tightly clamps the brake disc to brake the vehicle.

And a driving oblique block is arranged on a driving shaft of the driver. The driving body corresponds to the lifting body, and the driving body drives the lifting body to do lifting or descending motion.

The driver is a driver which runs linearly; the hydraulic driver is a linear hydraulic cylinder; or a pneumatic driver, wherein the pneumatic driver is a linear pneumatic cylinder; or the electric driver is a linear motor or an electromagnet.

In fig. 1-6, the driving body and the lifting body are a pair of interacting inclined blocks, and a plane is arranged at the end of each inclined block; the driving body 6 is a driving inclined block, the lifting body is a driven inclined block 7, and the driven inclined block is fixedly connected to the stay wire fixing shaft 8; the driving inclined block drives the driven inclined block to move upwards along the inclined plane of the driving inclined block under the driving of forward acting force of the driver until reaching the plane of the end parts of the two inclined blocks and stop, otherwise, the driven inclined block moves downwards; the stay wire fixing shaft 8 drives the stay wire device to do lifting or descending motion.

The method specifically comprises the following steps: the device comprises an oil cylinder 1, an oil cylinder pin shaft 2, a fixing frame 3, a bottom supporting plate 4, a stay wire fixing frame 5, a driving inclined block, a jacking slideway 11, a stay wire assembly and a stay wire slide block assembly;

one end of the oil cylinder 1 is fixedly connected with one end of a fixed frame 3 through an oil cylinder pin shaft 2, the other end of the fixed frame 3 is connected with a jacking slideway 11, and a stay wire slide block assembly is arranged on the jacking slideway 11; two ends of a stay wire fixing shaft 8 of the stay wire sliding block assembly are respectively connected with a stay wire assembly; the other end of the oil cylinder 1 is connected with a driving inclined block 6, and the driving inclined block 6 is lapped on the bottom supporting plate 4 and can slide on the bottom supporting plate 4; the bottom surface of the bottom supporting plate 4 is connected with a stay wire fixing frame 5.

The bottom end surface of the active inclined block 6 is a plane, and the upper end surface is an inclined surface; the front end of the inclined plane is low, and the rear end of the inclined plane is high; a plane is arranged at the high end of the rear end of the inclined plane; the side wall of the rear end is provided with a hole connected with the piston end of the oil cylinder.

The two groups of stay wire assemblies have the same structure and are respectively connected to two ends of the stay wire fixing shaft; the method comprises the following steps: the pull wire triangular block 9, the pull wire 12 and the pull wire guide sleeve 13; the stay wire triangular block 9 is triangular, two ends of two bottom corner positions of the triangle are provided with stay wire holes, stay wires 12 are hinged on the stay wire holes of the bottom corners through hinged joints, the stay wires 12 penetrate through stay wire guide sleeves 13, and the stay wire fixing sleeves 13 are connected on the stay wire fixing frame 5; the upper end of the triangle of the stay wire triangular block 9 is provided with a hole sleeve for fixing the upper end on the stay wire triangular block 9 at the symmetrical center of the two stay wire holes, and the fixed hole sleeve is fixedly connected on the stay wire fixed shaft 8.

The stay wire slide block assembly comprises: the driven inclined block 7, the stay wire fixing shaft 8 and the jacking sliding block 10;

the number of the jacking sliding blocks 10 is two, the stay wire sliding block 7 is arranged between the two jacking sliding blocks 10, and the stay wire fixing shaft 8 penetrates through the two jacking sliding blocks 10 and the driven inclined block 7 and is connected into a whole.

The upper end of the driven sloping block 7 is a plane, a bulge is arranged at the middle position of the plane, and a hole for installing a stay wire fixing shaft 8 is arranged on the driven sloping block 7 below the bulge; the lower end face of the driven inclined block 7 is provided with an inclined plane, the front end of the inclined plane is low, and the rear end of the inclined plane is high; a plane is arranged at the high end of the rear end of the inclined plane; the inclined plane of the lower end surface of the stay wire slide block 7 corresponds to the inclined plane of the upper end surface of the active inclined block 6; when the oil cylinder 1 pushes the driving inclined block 6 to move, the inclined plane of the upper end face of the driving inclined block 6 pushes the inclined plane of the lower end face of the driven inclined block 7, the driven inclined block 7 runs along the jacking slide rail 11 under the limiting effect of the jacking slide block 10, and when the oil cylinder 1 runs to the top point, the plane of the end part of the driving inclined block 6 is lapped on the plane of the end part of the driven inclined block 7.

Example 2: the parking device includes: brake discs and brake calipers;

further comprising: a driver, a driving body 6, a lifting body 7, a wire drawing device and a base 14; the driver, the driving body 6, the lifting body 7 and the wire drawing device are all connected to the base 14.

In fig. 7-9, the drive is a rotary drive; the driver is a hydraulic driver; the hydraulic driver is a swing oil cylinder; or the driver is a pneumatic driver, and the pneumatic driver is a rotary pneumatic cylinder or a pneumatic motor; or the driver is an electric driver, and the electric driver is a rotary motor.

The driver is arranged on one side of the base, and an eccentric wheel driving body is arranged on a rotating shaft of the driver. The driving body corresponds to the lifting body, and the driving body drives the lifting body to do lifting or descending motion. The eccentric wheel is an integral eccentric wheel or an 1/2 eccentric wheel; or 1/4 eccentric wheels. The height difference exists between the high position and the low position of the eccentric wheel.

The lifting slide ways 11 are arranged on two corresponding side walls of the base 14; a pull line fixing frame 5 is connected on the base at the lower part of the jacking slideway 11, and a pull line fixing sleeve 13 is connected on the pull line fixing frame 5.

The rest was the same as in example 1.

Example 3: in fig. 10 and 11, the parking brake includes: brake disc and brake caliper.

The driver is a driver which runs in a rotating way; the pneumatic driver of the driver is a pneumatic motor 17 or a rotary pneumatic cylinder; or an electric driver, the electric driver being a rotary motor; or a hydraulic actuator; the hydraulic driver is a rotary hydraulic cylinder or a hydraulic motor.

The driver is installed at the lower portion of the base 14, and the rotation shaft of the driver is connected with the screw shaft through a shaft connector. The driving body 6 corresponds to the lifting body 7, and the driving body 6 drives the lifting body 7 to move up and down.

The rest was the same as in example 1.

Example 4: in fig. 12 and 13, the parking brake includes: brake disc and brake caliper.

the driver is a driver which runs in a rotating way; the driver is a hydraulic driver; the hydraulic driver is a rotary hydraulic cylinder or a hydraulic motor; or a pneumatic driver, wherein the pneumatic driver is a rotary pneumatic cylinder or a pneumatic motor; or an electric drive, which is a rotary motor.

The driver is arranged at the lower part of the base 14, and the rotating shaft of the driver is connected with the driving worm shaft through a shaft connector. The driving body 6 corresponds to the lifting body 7, and the driving body 6 drives the lifting body 7 to move up and down.

The driving body 6 and the lifting body 7 are a pair of mutually-acting worms, the driving body is a driving worm, the lifting body is a driven worm, and the driven worm is fixedly connected to the stay wire fixing shaft 8; under the action of forward rotation of the driver, the driving worm drives the driven worm to move up, and on the contrary, the driven worm moves down; the stay wire fixing shaft 8 drives the stay wire device to do lifting or descending motion;

the rest is the same as example 1.

Example 5: the parking device includes: brake disc and brake caliper.

the driver is a driver which runs in a rotating way; the driver is a hydraulic driver which is a rotary hydraulic cylinder or a hydraulic motor; or a pneumatic driver, wherein the pneumatic driver is a rotary pneumatic cylinder or a pneumatic motor; or an electric drive, which is a rotary motor.

The driver is arranged at the lower part of the base 14, and the rotating shaft of the driver is connected with the worm shaft through a shaft connector. The driving body 6 corresponds to the lifting body 7, and the driving body 6 drives the lifting body 7 to move up and down.

The driving body 6 and the lifting body 7 are a worm and a rack which are mutually interacted, the worm is a driving body, the rack is a lifting body, and the rack is fixedly connected to the stay wire fixing shaft 8; under the action of forward rotation of the worm, the worm drives the rack to move up, and otherwise, the rack moves down; the stay wire fixing shaft 8 drives the stay wire device to do lifting or descending motion;

the rest is the same as example 1.

Claims

1. A parking garage comprising: brake discs and brake calipers; the method is characterized in that:

2. A parking brake as claimed in claim 1, wherein: the driver is a hydraulic driver; the hydraulic driver is a linear hydraulic cylinder, a swing oil cylinder, a rotary hydraulic cylinder or a hydraulic motor; or a pneumatic driver, wherein the pneumatic driver is a linear pneumatic cylinder, a rotary pneumatic cylinder or a pneumatic motor; or an electric driver which is a rotary motor, a linear motor or an electromagnet.

3. A parking brake as claimed in claim 1, wherein: the driving body and the lifting body are a pair of mutually-acting inclined blocks, and a plane is arranged at the end part of each inclined block; the driving body is a driving inclined block, the lifting body is a driven inclined block, and the driven inclined block is fixedly connected to the stay wire fixing shaft; the driving inclined block drives the driven inclined block to move upwards along the inclined plane of the driving inclined block under the driving of forward acting force of the driver until reaching the plane of the end parts of the two inclined blocks and stop, otherwise, the driven inclined block moves downwards; the stay wire fixing shaft drives the stay wire device to do lifting or descending motion.

4. A parking brake as claimed in claim 1, wherein: the driving body and the lifting body are eccentric wheels and push-pull blocks, the eccentric wheels are the driving body, the push-pull blocks are the lifting body, and the push-pull blocks are fixedly connected to the pull wire fixing shaft; the eccentric wheel rotates to the highest point under the action of the driver and stops, the eccentric wheel drives the push-pull block to do lifting motion, and otherwise, the push-pull block does descending motion; the stay wire fixing shaft drives the stay wire device to do lifting or descending motion.

5. A parking brake as claimed in claim 1, wherein: the driving body and the lifting body are a pair of mutually-acting worms, the driving body is a driving worm, the lifting body is a driven worm, and the driven worm is fixedly connected to the stay wire fixing shaft; under the action of forward rotation of the driver, the driving worm drives the driven worm to move up, and on the contrary, the driven worm moves down; the stay wire fixing shaft drives the stay wire device to do lifting or descending motion.

6. A parking brake as claimed in claim 1, wherein: the driving body and the lifting body are a worm and a rack which are mutually interacted, the worm is the driving body, the rack is the lifting body, and the rack is fixedly connected to the stay wire fixing shaft; under the action of forward rotation of the worm, the worm drives the rack to move up, and otherwise, the rack moves down; the stay wire fixing shaft drives the stay wire device to do lifting or descending motion.

7. A parking brake as claimed in claim 1, wherein: the driving body and the lifting body are a screw rod and a nut sleeve which are mutually interacted, the driving body is a screw rod, the lifting body is a nut sleeve, and the nut sleeve is fixedly connected to the stay wire fixing shaft; under the action of forward rotation of the driver, the screw drives the nut sleeve to do ascending motion, otherwise, the nut sleeve does descending motion; the stay wire fixing shaft drives the stay wire device to do lifting or descending motion.

8. A parking brake as claimed in claim 1, wherein: the wire drawing device comprises: the pull wire fixing shaft, the jacking sliding block and the pull wire assembly are arranged on the base; the two jacking sliding blocks are provided, the stay wire fixing shaft penetrates through the two jacking sliding blocks and is connected into a whole, and a gap for installing the lifting body is arranged between the two jacking sliding blocks; two ends of the stay wire fixing shaft are connected with stay wire assemblies.

9. A parking brake as claimed in claim 8, wherein: the two groups of stay wire assemblies have the same structure and are respectively connected to two ends of the stay wire fixing shaft; the method comprises the following steps: the pull wire triangular block, the pull wire and the pull wire guide sleeve are arranged on the base; two ends of the stay wire triangular block are provided with stay wire holes, stay wires are hinged on the stay wire holes through hinged joints, and the stay wires penetrate through the stay wire guide sleeves; the stay wire triangular blocks at the symmetrical centers of the two stay wire holes are provided with fixed hole sleeves which are fixedly connected on the stay wire fixed shaft.

10. A parking brake as claimed in claim 1, wherein: the two corresponding side walls of the base are provided with jacking slideways; the base at the lower part of the jacking slideway is connected with a stay wire fixing frame, and the stay wire fixing frame is connected with a stay wire fixing sleeve.