CN111775628A - Disc type traveling and parking integrated braking axle and braking method thereof - Google Patents
Disc type traveling and parking integrated braking axle and braking method thereof Download PDFInfo
- Publication number
- CN111775628A CN111775628A CN202010717319.1A CN202010717319A CN111775628A CN 111775628 A CN111775628 A CN 111775628A CN 202010717319 A CN202010717319 A CN 202010717319A CN 111775628 A CN111775628 A CN 111775628A
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- brake
- parking
- braking
- disc
- service
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
- B60T1/062—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels acting on transmission parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/66—Electrical control in fluid-pressure brake systems
Abstract
The invention relates to a disc type traveling and parking integrated brake axle which comprises two axles, wheels rotatably arranged at two ends of the axles, longitudinal beams connected with the two axles and mounting seats arranged on the longitudinal beams, wherein the wheels are rotatably arranged on the two ends of the axles; a brake disc is arranged on the rim of each wheel, a brake caliper is arranged on each brake disc, and each brake caliper is fixedly installed on the corresponding axle through an installation plate; each brake caliper is connected with a pneumatic control system through a parking hydraulic brake pipeline and a service hydraulic brake pipeline, and the pneumatic control system controls service braking or parking braking of the brake calipers. The braking structure is designed into a disc type braking structure, the brake caliper is respectively braked by the parking hydraulic braking pipeline and the service hydraulic braking pipeline, and the parking braking control system and the service braking control system are designed to respectively provide braking power for the parking hydraulic braking pipeline and the service hydraulic braking pipeline.
Description
Technical Field
The invention relates to the technical field of transport vehicle axles, in particular to a disc type traveling and parking integrated braking vehicle axle and a braking method thereof.
Background
The existing oil field drilling machine platform integral transporting axle system is not provided with a braking system or only has a braking function but does not have a parking braking function, the braking system generally rubs a drum type braking system, the braking capability is insufficient, the drum type braking has high requirement on installation and matching, the drum type braking is complex, and the transporting axle without the parking braking has potential safety hazard. Therefore, the invention provides a disc type traveling and parking integrated brake axle with the functions of service braking and parking braking.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a disc type traveling and parking integrated brake axle with the functions of service braking and parking braking.
The technical scheme adopted by the invention for solving the technical problems is as follows: the disc type traveling and parking integrated brake axle comprises two axles, wheels which are rotatably arranged at two ends of the axles, longitudinal beams connected with the two axles and mounting seats arranged on the longitudinal beams; a brake disc is arranged on the rim of each wheel, a brake caliper is arranged on each brake disc, and each brake caliper is fixedly installed on the corresponding axle through an installation plate; each brake caliper is connected with a pneumatic control system through a parking hydraulic brake pipeline and a service hydraulic brake pipeline, and the pneumatic control system controls service braking or parking braking of the brake calipers.
In a preferred embodiment of the disc type traveling and parking integrated brake axle provided by the invention, the pneumatic control system comprises a parking brake control system and a service brake control system.
In a preferred embodiment of the disc type traveling and parking integrated brake axle provided by the invention, the parking brake control system comprises a parking booster pump, a quick exhaust valve and a power air source, wherein the power air source, the quick exhaust valve and the parking booster pump are sequentially connected through a high-pressure air pipe, and the parking booster pump is connected with a parking hydraulic brake pipeline.
In a preferred embodiment of the disc type traveling and parking integrated brake axle provided by the invention, the traveling brake control system comprises a traveling booster pump, a relay valve, an air storage tank, a relay valve controller and a power air source, wherein the power air source, the air storage tank, the relay valve and the traveling booster pump are sequentially connected through a high-pressure air pipe, the relay valve controller is connected with the relay valve, and the traveling booster pump is connected with a traveling hydraulic brake pipeline.
In a preferred embodiment of the disc-type traveling and parking integrated brake axle provided by the invention, the service brake control system and the parking brake control system share one power air source, and the service control brake system further comprises a one-way valve, and the one-way valve is arranged at an air inlet end of the air storage tank.
In a preferred embodiment of the integrated disc-type traveling and parking brake axle provided by the invention, the pneumatic control system can control the wheels of a plurality of axles.
In a preferred embodiment of the disc-type traveling and parking integrated brake axle provided by the invention, the mounting seat is mounted on the longitudinal beam through a pin shaft and can freely swing by +/-8 degrees.
In a preferred embodiment of the disc-type traveling and parking integrated brake axle provided by the invention, the longitudinal beam is mounted on the axle in a manner of freely swinging +/-8 degrees through a pin shaft.
The invention also provides a braking method of the disc type traveling and parking integrated braking axle of any one of the above embodiments, which comprises parking braking and service braking, wherein:
when parking braking is carried out, a power air source is cut off, the parking booster pump cannot provide hydraulic power for an active hydraulic control pipeline, and a friction plate of the brake caliper clamps a brake disc under the action of a spring to realize parking braking; when parking braking needs to be relieved, a power air source is connected, a parking booster pump provides hydraulic power for a parking hydraulic control pipeline, hydraulic oil overcomes a spring to do work, and a friction plate is separated from a brake disc;
when the traveling crane brakes, the relay valve is started by controlling the relay valve controller, the air channel from the air storage tank to the traveling crane booster pump is communicated, the traveling crane booster pump provides hydraulic pressure through a traveling crane hydraulic brake pipeline, and hydraulic oil is enabled to push out the friction plate to clamp the brake disc by matching with the elastic force of the spring, so that traveling crane braking is realized.
The invention further provides a disc type and parking integrated braking transfer axle system of any one of the embodiments, which comprises two axles, wherein the two axles are provided with braking power by the same power air source.
Compared with the prior art, the disc type traveling and parking integrated braking axle provided by the invention has the beneficial effects that: the braking structure is designed into a disc type braking structure, a brake caliper is respectively braked by a parking hydraulic braking pipeline and a service hydraulic braking pipeline, a parking braking control system and a service braking control system are designed to respectively provide braking power for the parking hydraulic braking pipeline and the service hydraulic braking pipeline, the parking braking control system and the service braking control system adopt compressed air as power sources, the power is easy to obtain, the cost is low, a mode of combining pneumatic braking and hydraulic braking is adopted, the braking is reliable, the problem of insufficient braking capacity of a traditional transport vehicle axle is solved, and meanwhile parking braking is also realized.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a perspective view of a disc type driving and parking integrated braking axle provided by the invention;
FIG. 2 is a front view of the disc-type brake-in-row and park axle provided in FIG. 1;
FIG. 3 is a block diagram of the axle and wheel assembly of the disc-type parking and travel integrated brake axle provided in FIG. 1;
FIG. 4 is a view of the wheel rim of the wheel provided in FIG. 3 assembled with a brake disc and a brake caliper;
FIG. 5 is a brake control schematic of the brake caliper of the disc-type service and park integrated brake axle provided in FIG. 1;
FIG. 6 is a schematic diagram of the brake caliper of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1 and 2, the disc-type traveling and parking brake axle 1 includes two axles 101, wheels 102 rotatably disposed at two ends of the axles, a longitudinal beam 103 connecting the two axles 101, and a mounting seat 104 disposed on the longitudinal beam 103, wherein the mounting seat 104 of the present embodiment is preferably mounted on the longitudinal beam 103 via a pin shaft so as to be freely swingable through ± 8 °, and the longitudinal beam 103 is mounted on the axles 101 via a pin shaft so as to be freely swingable through ± 8 °. The mounting seat, the longitudinal beam, and the mounting structure of the wheel and the axle of the present embodiment can refer to the structure of an 80t novel oil rig tire towing seat axle disclosed in chinese patent CN201921415400.3, wherein the swinging angle of the longitudinal beam of the present invention is designed to be ± 8 °, and of course, can also be designed to be ± 12 ° or other angles according to the application.
A brake disc 1022 is arranged on a rim 1021 of each wheel 102, the rim 1021 of the embodiment is a rim with a brake disc mounting flange, the brake disc 1022 is fixedly mounted on the flange through bolts, a brake caliper 105 is arranged on the brake disc 1022, and the brake caliper 105 is fixedly mounted on the axle 101 through a mounting plate 106, as shown in fig. 3 and 4;
as shown in fig. 5 and 6, each of the brake calipers 105 is connected to the pneumatic control system 2 through a parking hydraulic brake line 107 and a service hydraulic brake line 108, and the pneumatic control system 2 controls the service brake or the parking brake of the brake calipers 105.
The braking structure of this embodiment designs for disc brake structure, and the braking pincers are brakied by parking hydraulic braking pipeline and service hydraulic braking pipeline respectively, and the design has parking braking control system and service braking control system to provide braking power for parking hydraulic braking pipeline and service hydraulic braking pipeline respectively, and parking braking control system and service braking control system adopt compressed air as the power supply, and power is easily obtained, and is with low costs, adopts the mode that pneumatic and hydraulic braking combined together, and the braking is reliable, has solved the not enough problem of braking capability that traditional transport vehicle axle exists, has also realized parking braking simultaneously.
Example two
On the basis of the first embodiment, the structure of the pneumatic control system 2 is further disclosed, and the pneumatic control system 2 of the present embodiment includes a parking brake control system 201 and a service brake control system 202.
Parking braking control system 201 includes parking booster pump 2011, quick exhaust valve 2012, power air supply 2013, quick exhaust valve 2012, parking booster pump 2011 connect gradually through high-pressurepipe, parking hydraulic braking pipeline 107 is connected to parking booster pump 2011.
The service brake control system 202 comprises a service booster pump 2021, a relay valve 2022, an air storage tank 2023, a relay valve controller 2024 and a power air source, wherein the power air source, the air storage tank 2023, the relay valve 2022 and the service booster pump 2021 are sequentially connected through a high-pressure air pipe, the relay valve controller 2024 is connected with the relay valve 2022, and the service booster pump 2021 is connected with a service hydraulic brake pipeline 108.
Preferably, the service brake control system 202 and the parking brake control system 201 share one power air source 2013, and the service control brake system 202 further includes a check valve 2025, and the check valve 2025 is disposed at an air inlet end of the air storage tank 2023.
EXAMPLE III
On the basis of the first embodiment or the second embodiment, the pneumatic control system 2 of the present embodiment can control the wheels 102 of a plurality of axles 1, in the present embodiment, the pneumatic control system 2 controls two axles 102, and the two axles 102 are provided with braking power by the same power air source 2013, so as to form a transportation axle system.
The braking method of the disc type traveling and parking integrated braking axle comprises parking braking and service braking, wherein:
when parking braking is carried out, a power air source is cut off, the parking booster pump cannot provide hydraulic power for an active hydraulic control pipeline, and a friction plate of the brake caliper clamps a brake disc under the action of a spring to realize parking braking; when parking braking needs to be relieved, a power air source is connected, a parking booster pump provides hydraulic power for a parking hydraulic control pipeline, hydraulic oil overcomes a spring to do work, and a friction plate is separated from a brake disc;
when the traveling crane brakes, the relay valve is started by controlling the relay valve controller, the air channel from the air storage tank to the traveling crane booster pump is communicated, the traveling crane booster pump provides hydraulic pressure through a traveling crane hydraulic brake pipeline, and hydraulic oil is enabled to push out the friction plate to clamp the brake disc by matching with the elastic force of the spring, so that traveling crane braking is realized.
The brake caliper needs to be filled with hydraulic oil, and the recommended oil is an Eletrologram H46 anti-wear hydraulic oil.
The parking brake oiling process is as follows:
the first step is as follows: adjusting the service braking of the brake to a non-braking state, detaching a silencer valve communicated with air of the parking booster pump, and inputting pressure gas with the pressure of 0.2-0.6 MPa into the silencer valve, so that a piston of the parking booster pump is in a retraction state;
the second step is that: opening an air release plug of the brake caliper, introducing pressure gas of 0.2-0.6 MPa from an oil cylinder of the parking booster pump, and blowing the interior of the pipeline clean and then cutting off the pressure gas;
the third step: introducing transmission oil of a braking system from a parking booster pump oil cylinder, receiving the transmission oil flowing out at the exhaust hole of a brake caliper by using a container, filling the brake caliper and the parking booster pump oil when the hydraulic oil flows out stably and no bubbles flow out, and sealing an air release plug;
the fourth step: introducing 0.2-0.6 MPa pressure from an oil cylinder of the parking booster pump, after 5 minutes, no bubble emerges from the oil cylinder, the liquid level of the oil cylinder does not drop, the air release plug is considered to be sealed, no gas exists in an oil system, the oil filling process is finished, and the brake is in a ready state;
the fifth step: the power air source is repeatedly switched on and off, and the parking braking operation action can be detected; the power air source is kept connected, the on-off of the air source is controlled, and the service braking operation action can be detected.
The service brake oiling process is as follows:
the first step is as follows: the brake of the brake vehicle is adjusted to a non-braking state, a silencer valve communicated with air by a service booster pump is disassembled, and pressure gas with the pressure of 0.2-0.6 MPa is input into the silencer valve, so that a piston of the service booster pump is in a retraction state;
the second step is that: opening an air relief plug of the brake caliper, introducing pressure gas of 0.2-0.6 MPa from an oil cylinder of a traveling crane booster pump, and blowing the interior of the pipeline to be clean and then cutting off the pressure gas;
the third step: installing a one-way valve, introducing brake system transmission oil from a traveling crane booster pump oil cylinder, receiving the transmission oil flowing out from a container at a brake caliper exhaust hole, filling the brake caliper and the traveling crane booster pump oil when the hydraulic oil flows out stably and no bubbles flow out, and sealing an air release plug;
the fourth step: after the air relief plug is closed, 250 ml-300 ml of hydraulic oil can be added into the system by using the oil pump through the one-way valve, and the oil filling pressure does not exceed 0.8MPa (when the hand oil pump is filled, the air in the hand oil pump and a pipeline of the hand oil pump is removed firstly, and then the oil filling is carried out on the hydraulic system);
the fifth step: and (3) introducing pressure of 0.2-0.6 MPa from an oil cylinder of a travelling crane booster pump, after 5 minutes, no bubble emerges from the oil cylinder, the liquid level of the oil cylinder does not drop, the air release plug is considered to be sealed, no gas exists in an oil system, the oil charging process is completed, and the brake caliper is in a ready state.
After the oil filling and exhausting of the service brake and the parking brake are finished, the brake function can be tested. The power air source is repeatedly switched on and off, and the parking braking operation action can be detected; the power air source is kept connected, the on-off of the air source is controlled, and the service braking operation action can be detected.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides an integrative braking axle of disc line, parking, includes two axletrees, rotatable wheel of locating the axletree both ends, connects the longeron of two axletrees and locates the mount pad on the longeron, its characterized in that:
a brake disc is arranged on the rim of each wheel, a brake caliper is arranged on each brake disc, and each brake caliper is fixedly installed on the corresponding axle through an installation plate;
each brake caliper is connected with a pneumatic control system through a parking hydraulic brake pipeline and a service hydraulic brake pipeline, and the pneumatic control system controls service braking or parking braking of the brake calipers.
2. The disc-type traveling and parking brake axle according to claim 1, characterized in that: the pneumatic control system comprises a parking brake control system and a service brake control system.
3. The disc-type traveling and parking brake axle according to claim 2, characterized in that: the parking braking control system comprises a parking booster pump, a quick exhaust valve and a power air source, wherein the power air source, the quick exhaust valve and the parking booster pump are sequentially connected through a high-pressure air pipe, and the parking booster pump is connected with a parking hydraulic braking pipeline.
4. The disc-type traveling and parking brake axle according to claim 3, characterized in that: the service brake control system comprises a service booster pump, a relay valve, a gas storage tank, a relay valve controller and a power gas source, wherein the power gas source, the gas storage tank, the relay valve and the service booster pump are sequentially connected through a high-pressure gas pipe, the relay valve controller is connected with the relay valve, and the service booster pump is connected with a service hydraulic brake pipeline.
5. The disc-type traveling and parking brake axle according to claim 4, characterized in that: the service brake control system and the parking brake control system share one power air source, and the service control brake system further comprises a one-way valve, and the one-way valve is arranged at the air inlet end of the air storage tank.
6. The disc-type traveling and parking brake axle according to claim 5, characterized in that: the pneumatic control system may control a plurality of wheels of the axle.
7. The disc-type traveling and parking brake axle according to claim 1, characterized in that: the mounting seat can be freely swung by +/-8 degrees and is mounted on the longitudinal beam through a pin shaft.
8. The disc-type traveling and parking brake axle according to claim 1, characterized in that: the longitudinal beam can be freely swung by +/-8 degrees and is arranged on the axle through a pin shaft.
9. The braking method of the disc type traveling and parking integrated braking axle according to any one of claims 1 to 8, characterized in that: including parking brake and service brake, wherein:
when parking braking is carried out, a power air source is cut off, the parking booster pump cannot provide hydraulic power for an active hydraulic control pipeline, and a friction plate of the brake caliper clamps a brake disc under the action of a spring to realize parking braking; when parking braking needs to be relieved, a power air source is connected, a parking booster pump provides hydraulic power for a parking hydraulic control pipeline, hydraulic oil overcomes a spring to do work, and a friction plate is separated from a brake disc;
when the traveling crane brakes, the relay valve is started by controlling the relay valve controller, the air channel from the air storage tank to the traveling crane booster pump is communicated, the traveling crane booster pump provides hydraulic pressure through a traveling crane hydraulic brake pipeline, and hydraulic oil is enabled to push out the friction plate to clamp the brake disc by matching with the elastic force of the spring, so that traveling crane braking is realized.
10. The disc type parking integrated braking transfer axle system according to any one of claims 1 to 8, characterized in that: the brake device comprises two axles, wherein the two axles are provided with brake power by the same power air source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010717319.1A CN111775628A (en) | 2020-07-23 | 2020-07-23 | Disc type traveling and parking integrated braking axle and braking method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010717319.1A CN111775628A (en) | 2020-07-23 | 2020-07-23 | Disc type traveling and parking integrated braking axle and braking method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111775628A true CN111775628A (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010717319.1A Pending CN111775628A (en) | 2020-07-23 | 2020-07-23 | Disc type traveling and parking integrated braking axle and braking method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114056297A (en) * | 2022-01-12 | 2022-02-18 | 中车戚墅堰机车车辆工艺研究所有限公司 | Hydraulic braking device for vehicle and control system thereof |
-
2020
- 2020-07-23 CN CN202010717319.1A patent/CN111775628A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114056297A (en) * | 2022-01-12 | 2022-02-18 | 中车戚墅堰机车车辆工艺研究所有限公司 | Hydraulic braking device for vehicle and control system thereof |
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