CN217022465U - Integrated service brake and parking brake linkage device - Google Patents
Integrated service brake and parking brake linkage device Download PDFInfo
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- CN217022465U CN217022465U CN202220470022.4U CN202220470022U CN217022465U CN 217022465 U CN217022465 U CN 217022465U CN 202220470022 U CN202220470022 U CN 202220470022U CN 217022465 U CN217022465 U CN 217022465U
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Abstract
The utility model discloses an integrated service brake and parking brake linkage device, wherein a brake pedal, a brake push rod assembly, a parking assembly, a brake micro switch and a parking micro switch are arranged on a pedal base, the brake push rod assembly and the parking assembly are respectively and axially arranged on a pedal bottom plate, the lower end of the brake pedal is connected with the brake push rod assembly through a ball pull rod, the brake micro switch and the parking micro switch are respectively arranged beside the brake push rod assembly and the parking assembly, and one end of the brake push rod assembly and one end of the parking assembly which are positioned below the pedal bottom plate are respectively connected with a service brake flexible shaft and a parking brake flexible shaft.
Description
Technical Field
The utility model belongs to the technical field of sweeper braking, and particularly relates to an integrated service braking and parking braking linkage device.
Background
At present, most of sweeping machines realize service braking and parking braking for controlling a rear wheel braking assembly, the structure of the sweeping machines is that a brake pedal is stepped down to apply force to the rear wheel braking assembly through a rigid connecting rod or a flexible shaft, a parking rod needs to be pulled by hands during parking to control, the two independent operating systems are mutually noninterfere, the design and the arrangement and the fixation of two structures are simultaneously considered in the prior art, and therefore, the design space of an operating mechanism of the road sweeper is occupied, the road sweeper is complex and compact in structure, the prior art prevents the improvement of other operation performances of the road sweeper, the parking reliability is poor, the design cost is high, and the maintenance is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide an integrated service brake and parking brake linkage device which is linked with service brake and parking brake, reliable in parking, compact in structure and capable of providing a larger space for improving other operation performances of a road sweeper.
The utility model aims to realize the integrated service brake and parking brake linkage device, which comprises a brake pedal, a pedal bottom plate, a parking ratchet wheel pull rod, a service brake flexible shaft and a parking brake flexible shaft, and is characterized in that the brake pedal, a brake push rod assembly, a parking assembly with a self-return device, a brake microswitch and a parking microswitch are arranged on a pedal base, the brake push rod assembly and the parking assembly are respectively arranged on the pedal bottom plate through shafts, the lower end of the brake pedal is connected with the brake push rod assembly through a ball pull rod, the brake microswitch and the parking microswitch are respectively arranged on the brake push rod assembly and the pedal bottom plate beside the parking assembly, one end of the brake push rod assembly and one end of the parking assembly which are positioned below the pedal bottom plate are respectively connected with the service brake flexible shaft and the parking brake flexible shaft, when the brake pedal is stepped on by the brake push rod assembly, the parking assembly with the self-return device is driven by the self-return device to return and brake the push rod assembly to be in contact locking when the parking assembly with the self-return device steps on a brake pedal and presses down a parking ratchet wheel pull rod at the same time, and the parking assembly touches the parking microswitch to be switched on.
In order to further achieve the purpose of the utility model, the brake push rod assembly may include a driving plate, a brake pedal rotating plate and a brake rotating shaft, the brake rotating shaft is movably mounted on a pedal base plate, the driving plate and the brake pedal rotating plate are respectively fixed at two ends of the brake rotating shaft, the driving plate and the brake pedal rotating plate are arranged at the upper side and the lower side of the pedal base plate, one end of the driving plate is connected with the brake pedal through a ball pull rod, the other end of the driving plate is used for being disconnected from a brake microswitch when the brake pedal is stepped on, one end of the brake pedal rotating plate is connected with a service brake flexible shaft, and the outer edge of the other end of the brake pedal rotating plate is provided with gear teeth which are used for being engaged with the parking assembly.
In order to further achieve the purpose of the utility model, the parking assembly comprises a parking latch plate, a parking rotating shaft, a torsion spring and a ratchet baffle, wherein the parking latch plate and the ratchet baffle are respectively fixed at two ends of the parking rotating shaft, the parking latch plate and the ratchet baffle are respectively arranged at the upper side and the lower side of a pedal bottom plate, the torsion spring for driving the parking assembly to return is sleeved on the parking rotating shaft, one end of the torsion spring is fixed on the pedal bottom plate, the other end of the torsion spring is fixed on the ratchet baffle, teeth for meshing with the teeth at the outer edge of a rotating plate of a brake pedal are arranged at the outer edge of the ratchet baffle, the ratchet baffle is connected with a parking brake flexible shaft, when the parking brake pull rod is pressed down and the brake pedal is stepped down, the parking brake connected with the parking ratchet pull rod is in a release state, the torsion spring baffle is driven to rotate and is meshed and locked with a brake push rod assembly, and the parking latch plate is contacted with a parking microswitch.
Compared with the prior art, the utility model has the following remarkable characteristics and positive effects: when parking, the parking assembly is meshed with the brake push rod assembly to be locked, so that parking brake kinetic energy is realized; when the automobile is normally driven, the parking ratchet wheel pull rod is in a pull-up state, the parking braking flexible shaft is tensioned and pulls the parking assembly to rotate, the ratchet wheel baffle of the parking assembly rotates to be separated from the brake pedal rotating plate, the torsion spring is stressed at the moment, and the active plate of the brake push rod assembly contacts the brake micro switch to be disconnected; when parking braking is carried out, a brake pedal is stepped down, a parking ratchet wheel pull rod is pressed down at the same time, a parking braking flexible shaft is in a releasing state, a ratchet wheel baffle of a parking assembly rotates and returns under the action of a torsion spring, the ratchet wheel baffle is meshed with a brake pedal rotating plate, so that the brake pedal is locked and cannot return, a braking state is maintained, a parking braking function is realized, meanwhile, a parking collision plate is touched to switch on a parking microswitch, a parking braking state signal is sent, and the whole vehicle is prohibited from moving forwards and backwards; the utility model realizes the linkage function of parking braking and service braking, has reliable parking braking and compact structure and provides larger space for improving other operation performances of the road sweeper.
Drawings
FIG. 1 is a schematic diagram of a structure of the present invention.
FIG. 2 is a schematic view of the backside structure of the present invention.
FIG. 3 is a schematic view of a brake tappet assembly according to the present invention.
FIG. 4 is a schematic diagram of a parking assembly according to the present invention.
In the figure: 1. the parking brake device comprises a brake pedal, 2 parts of a ball head pull rod, 3 parts of a pedal bottom plate, 4 parts of a driving plate, 5 parts of a brake pedal rotating plate, 6 parts of a brake micro switch, 7 parts of a service brake flexible shaft, 8 parts of a parking collision plate, 9 parts of a torsion spring, 10 parts of a ratchet baffle, 11 parts of a parking micro switch, 12 parts of a parking brake flexible shaft, 13 parts of a parking ratchet pull rod, 14 parts of a brake push rod assembly, 15 parts of a parking assembly.
Detailed Description
An integrated service brake and parking brake linkage device, referring to fig. 1 and 2, comprises a brake pedal 1, a pedal bottom plate 3, a parking ratchet wheel pull rod 13, a service brake flexible shaft 7 and a parking brake flexible shaft 12, wherein the brake pedal 1, a brake push rod assembly 14, a parking assembly 15, a brake micro switch 6 and a parking micro switch 11 are arranged on the pedal bottom plate 3, the brake micro switch 6 is a normally closed switch, the parking micro switch 11 is a normally open switch, the brake push rod assembly 14 and the parking assembly 15 are respectively movably arranged on the pedal bottom plate 3 through respective shafts, a self-return device is arranged on the parking assembly 15, the lower end of the brake pedal 1 is connected and linked with the brake push rod assembly 14 through a ball pull rod 2, the brake micro switch 6 and the parking micro switch 11 are respectively arranged on the brake push rod assembly 14 and the pedal bottom plate 3 beside the parking assembly 15, and the brake push rod assembly 14 under the pedal bottom plate 3, One end of a parking assembly 15 is respectively connected with a service braking flexible shaft 7 and a parking braking flexible shaft 12, the other ends of the service braking flexible shaft 7 and the parking braking flexible shaft 12 are respectively connected with a braking device and a parking ratchet wheel pull rod 13, the parking braking flexible shaft 12 and the service braking flexible shaft 7 are installed according to the prior art, when a brake pedal 1 is stepped down by the brake push rod assembly 14, the brake pedal 1 pulls a brake push rod assembly 14 to rotate through a ball head pull rod 2 to drive the service braking flexible shaft 7 to realize braking, meanwhile, the brake push rod assembly 14 is separated from a brake micro switch 6, the brake micro switch 6 is switched on and sends a braking signal, when the brake pedal 1 is stepped down and the parking ratchet wheel pull rod 13 is pressed down simultaneously by the brake push rod assembly 15 with a self-return device, the parking assembly 15 is driven by the self-return device to return and the brake push rod assembly 14 is in contact locking, and the braking state under the brake pedal 1 is kept, the parking assembly 15 touches the parking microswitch 11 to be switched on, a parking signal is sent out, and the whole vehicle is forbidden to move forwards and backwards.
Referring to fig. 3, the brake push rod assembly 14 includes a driving plate 4, a brake pedal rotating plate 5 and a brake rotating shaft, the brake rotating shaft is movably mounted on a pedal base plate 3, the middle portions of the driving plate 4 and the brake pedal rotating plate 5 are respectively fixed at two ends of the brake rotating shaft, the driving plate 4 and the brake pedal rotating plate 5 are respectively arranged at the upper side and the lower side of the pedal base plate 3, one end of the driving plate 4 is connected and linked with the brake pedal 1 through a ball pull rod 2, the other end of the driving plate 4 is in contact with a brake microswitch 6 to be disconnected, one end of the brake pedal rotating plate 5 is provided with a connecting hook, one end of a service brake flexible shaft 7 is mounted in the connecting hook, the outer edge of the other end is provided with gear teeth, the gear teeth are used for being engaged with a parking assembly 15, when the brake pedal 1 is down, the ball pull rod 2 pulls the driving plate 4 to rotate, the driving plate 4 leaves the brake microswitch 6, the brake pedal 6 is connected to send a brake signal, a brake light.
Referring to fig. 4, the parking assembly 15 includes a parking collision plate 8, a parking rotation shaft, a torsion spring 9 and a ratchet baffle 10, the parking collision plate 8 and the ratchet baffle 10 are respectively fixed at two ends of the parking rotation shaft, the parking collision plate 8 and the ratchet baffle 10 are respectively arranged at the upper and lower sides of the pedal base plate 3, the torsion spring 9 for driving the parking assembly 15 to return is sleeved on the parking rotation shaft, one end of the torsion spring 9 is fixed on the pedal base plate 3, the other end is fixed on the ratchet baffle 10, teeth for engaging with the teeth of the outer edge of the brake pedal rotation plate 5 are arranged at the outer edge of the ratchet baffle 10, the ratchet baffle 10 is connected with the parking brake flexible shaft 12, when the brake pedal 1 is stepped down and the parking ratchet pull rod 13 is pressed down, the parking brake flexible shaft 12 connected with the parking ratchet pull rod 13 is in a loose state, the torsion spring 9 drives the parking assembly 15 to rotate, at this time, the ratchet baffle 10 rotates to engage with the brake pedal rotation plate 5, the parking touch plate 8 touches and is switched on the parking micro switch 11, the parking micro switch 11 is switched on, a parking signal is sent, and meanwhile, the active plate 4 of the brake push rod assembly 14 leaves and is switched on the brake micro switch 6, and a brake signal is sent.
In this embodiment, the service braking flexible shaft 7 and the parking braking flexible shaft 12 can be respectively replaced by rigid connecting rods, and the functions can be realized.
The utility model can realize two functions of service braking and parking braking at the same time, and the parking performance is reliable.
1) In a normal driving state, the brake pedal 1 is in a natural state, the driving plate 4 of the brake push rod assembly 14 contacts the brake microswitch 6, the brake microswitch 6 is stressed to keep a disconnected state, meanwhile, the parking ratchet wheel pull rod 13 is in a pulling-up state, the parking brake flexible shaft 12 pulls the ratchet baffle plate 10 of the parking assembly 15 to rotate, the torsion spring 9 is kept in a stressed state, the parking collision plate 8 is not in contact with the parking microswitch 11, and the parking microswitch 11 is kept in a disconnected state.
2) Service braking: parking ratchet pull rod 13 keeps the state of pulling up, and parking braking flexible axle 12 is taut, and the torsional spring 9 of parking assembly 4 is in the stress state, and ratchet baffle 10 is rotatory and brake pedal commentaries on classics board 5 separation this moment, can realize free service brake function under this condition, specifically as follows: the brake pedal 1 is stepped on, force is transmitted to the driving plate 4 of the brake push rod assembly 4 through the ball-head pull rod 2, the driving plate 4 rotates to be away from and is connected with the brake micro switch 6, the brake lamp is turned on, and meanwhile, the brake pedal rotating plate 5 rotates along with the brake pedal rotating plate to drive the traveling crane brake flexible shaft 7 to stretch, so that the purpose of traveling crane brake is achieved.
3) Parking and braking: the brake pedal 1 is stepped on, the parking ratchet wheel pull rod 13 is pressed simultaneously, the parking brake flexible shaft 12 is in a loosening state, the ratchet baffle 10 rotates under the action of the self restoring force of the torsion spring 9, the parking collision plate 8 touches and switches on the parking microswitch 11, and meanwhile, the brake pedal rotating plate 5 is meshed with the ratchet baffle 10 and locked, so that the brake pedal 1 is locked and cannot return, the brake state is maintained, the parking brake function is realized, and at the moment, the whole vehicle is in a parking brake state and is prohibited to move forwards and backwards.
And (3) pulling up the parking ratchet wheel pull rod 13 to enable the ratchet wheel baffle plate 10 to rotate and separate from the brake pedal rotating plate 5, releasing the parking brake, and recovering the normal driving state.
Claims (3)
1. An integrated service brake and parking brake linkage device, which comprises a brake pedal, a pedal bottom plate, a parking ratchet wheel pull rod, a service brake flexible shaft and a parking brake flexible shaft, and is characterized in that the pedal base is provided with the brake pedal, a brake push rod assembly, a parking assembly with a self-return device, a brake micro switch and a parking micro switch, the brake push rod assembly and the parking assembly are respectively arranged on the pedal bottom plate through shafts, the lower end of the brake pedal is connected with the brake push rod assembly through a ball pull rod, the brake micro switch and the parking micro switch are respectively arranged on the brake push rod assembly and the pedal bottom plate beside the parking assembly, one end of the brake push rod assembly and the parking assembly which are positioned below the pedal bottom plate are respectively connected with the service brake flexible shaft and the parking brake flexible shaft, when the brake pedal is stepped on, the brake push rod assembly is separated from the brake micro switch to be connected with the brake micro switch, when the parking assembly with the self-return device steps on a brake pedal and presses down a parking ratchet wheel pull rod at the same time, the parking assembly is driven by the self-return device to return and brake a push rod assembly to be locked in a contact mode, and the parking assembly touches a parking microswitch to be switched on.
2. The integrated service brake and parking brake linkage device according to claim 1, wherein the brake push rod assembly comprises a driving plate, a brake pedal rotating plate and a brake rotating shaft, the brake rotating shaft is movably mounted on a pedal base plate, the driving plate and the brake pedal rotating plate are respectively fixed at two ends of the brake rotating shaft, the driving plate and the brake pedal rotating plate are respectively arranged at the upper side and the lower side of the pedal base plate, one end of the driving plate is connected with the brake pedal through a ball pull rod, the other end of the driving plate is used for separating and switching on a brake microswitch when the brake pedal is stepped on, one end of the brake pedal rotating plate is connected with a service brake flexible shaft, gear teeth are arranged at the outer edge of the other end of the brake pedal rotating plate, and the gear teeth are used for being meshed with the parking assembly.
3. The integrated service brake and parking brake linkage device according to claim 1, wherein the parking assembly comprises a parking latch, a parking rotating shaft, a torsion spring and a ratchet baffle, the parking latch and the ratchet baffle are respectively fixed at two ends of the parking rotating shaft, the parking latch and the ratchet baffle are respectively arranged at the upper side and the lower side of a pedal bottom plate, a torsion spring for driving the parking assembly to return is sleeved on the parking rotating shaft, one end of the torsion spring is fixed on the pedal bottom plate, the other end of the torsion spring is fixed on a ratchet baffle plate, teeth for being meshed with the teeth on the outer edge of the brake pedal rotating plate are arranged on the outer edge of the ratchet baffle plate, the ratchet baffle plate is connected with a parking brake flexible shaft, when a parking ratchet pull rod is pressed down and the brake pedal is stepped down, the parking brake flexible shaft connected with the parking ratchet wheel pull rod is in a released state, the torsion spring drives the ratchet wheel baffle to rotate and is meshed and locked with the brake push rod assembly, and the parking touch plate is touched to switch on the parking microswitch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220470022.4U CN217022465U (en) | 2022-03-07 | 2022-03-07 | Integrated service brake and parking brake linkage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220470022.4U CN217022465U (en) | 2022-03-07 | 2022-03-07 | Integrated service brake and parking brake linkage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217022465U true CN217022465U (en) | 2022-07-22 |
Family
ID=82454111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220470022.4U Active CN217022465U (en) | 2022-03-07 | 2022-03-07 | Integrated service brake and parking brake linkage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217022465U (en) |
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2022
- 2022-03-07 CN CN202220470022.4U patent/CN217022465U/en active Active
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