CN110539740A - Engineering vehicle oil-gas composite multi-mode brake switching mechanism with full trailer function - Google Patents
Engineering vehicle oil-gas composite multi-mode brake switching mechanism with full trailer function Download PDFInfo
- Publication number
- CN110539740A CN110539740A CN201910900480.XA CN201910900480A CN110539740A CN 110539740 A CN110539740 A CN 110539740A CN 201910900480 A CN201910900480 A CN 201910900480A CN 110539740 A CN110539740 A CN 110539740A
- Authority
- CN
- China
- Prior art keywords
- brake
- air
- storage tank
- gas
- cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000007704 transition Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 1
Classifications
-
- 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
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/04—Arrangements of piping, valves in the piping, e.g. cut-off valves, couplings or air hoses
-
- 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
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/06—Applications or arrangements of reservoirs
-
- 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
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
-
- 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
- B60T7/00—Brake-action initiating means
- B60T7/02—Brake-action initiating means for personal initiation
- B60T7/04—Brake-action initiating means for personal initiation foot actuated
- B60T7/06—Disposition of pedal
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Systems And Boosters (AREA)
Abstract
The invention discloses an engineering vehicle oil-gas composite multi-mode brake switching mechanism with full trailer function, which comprises a brake pedal, a brake master cylinder, an oil storage tank, a brake slave cylinder, a gas storage tank, a brake master air valve, an electromagnetic directional valve and a main tractor gas storage tank, wherein the main tractor gas storage tank is connected with the electromagnetic directional valve through a gas pipe, the electromagnetic directional valve is connected with an upper interface and a lower interface at the front end of the brake master air valve through the gas pipe and the gas pipe, the upper interface at the rear end of the brake master air valve is connected with the gas storage tank through the gas pipe, the lower interface is connected with the cylinder through the gas pipe, a pull rod at the front end of the cylinder is connected with the brake pedal, and the pull rod at the front end of the cylinder only has. The invention realizes the braking of the wheel steering full trailer, ensures that the prior engineering machinery has the characteristic of following the main tractor to run at high speed, can adapt to the requirement of large-range long-distance following running transition operation, and improves the operation efficiency under special working environment.
Description
Technical Field
The invention belongs to a special traveling system technical route for special engineering machinery, and particularly relates to an oil-gas composite multi-mode brake switching mechanism for converting common engineering machinery into a full trailer state.
Background
The walking system of the existing engineering machinery is characterized in that: due to the structural requirements and the requirements of use scenes, the maximum running speed of a running system is about 40km/h, the running condition on the road on a common road is not met, and the existing engineering machinery cannot meet the running speed requirement of road vehicles due to low running speed per se when the engineering machinery is used for long-distance transition operation in a large range, and needs to be transported by a flat transport vehicle.
The characteristics of the existing wheel steering full trailer mainly show as follows: the main vehicle has no power, but can meet the running speed requirement of the main vehicle through the traction of the main vehicle, realize the running condition on the road on the common road and carry out large-range long-distance following running.
Disclosure of Invention
The invention aims to provide a brake system structure of the existing engineering machinery, which can meet the brake function requirement of a wheel steering full trailer under the condition that the existing engineering machinery has a normal brake function by adding a brake conversion mechanism, and realize the brake of the wheel steering full trailer by using the brake system of a main tractor and the brake system of the existing engineering machinery, so that the existing engineering machinery has the characteristic of running at high speed along with the main tractor, can adapt to the requirement of running and transition operation in a long distance along with the large range, and improve the operation efficiency under a special working environment.
The invention includes the oil wheel edge drum brake system of the engineering machinery, meet the brake switching mechanism that the full trailer brake function of wheel steering requires to increase, the brake system of the engineering machinery includes: the brake pedal is connected with a master brake pump, the oil storage tank is connected with the master brake pump to provide brake oil for a brake system, the master brake pump is connected with wheel-side brake sub-pumps through brake oil pipes, and the brake sub-pumps brake wheels through drum brakes; the brake switching mechanism meeting the requirement increase of the wheel steering full trailer brake function comprises: the air storage tank on the main tractor is connected with the electromagnetic directional valve through air pipes, the electromagnetic directional valve is connected with two interfaces at the front end of a brake main air valve added to the engineering machinery through two air pipes, the two interfaces at the rear end of the brake main air valve are connected with the air storage tank added to the engineering machinery through the air pipes, the lower interface is connected with an air cylinder added to the engineering machinery through the air pipes, a pull rod at the front end of the air cylinder is connected with a general brake pedal of the engineering machinery, and the air cylinder pull rod only has the function of pulling the brake pedal backwards and does not have the function of pushing the brake pedal forwards; the oil wheel edge drum type braking system of the engineering machinery and the brake switching mechanism meeting the requirement of the wheel steering full trailer brake function are added to form the full trailer function engineering vehicle oil-gas composite multi-mode brake switching mechanism together.
The technical scheme of the invention is realized as follows:
The brake system comprises a brake pedal, a brake master cylinder, an oil storage tank, a brake slave cylinder, an air storage tank, a brake master air valve, an electromagnetic directional valve and a main tractor air storage tank, wherein the main tractor air storage tank is connected with the electromagnetic directional valve through an air pipe, the electromagnetic directional valve is connected with an upper interface and a lower interface at the front end of the brake master air valve through the air pipe and the air pipe, the upper interface at the rear end of the brake master air valve is connected with the air storage tank through the air pipe, the lower interface is connected with the air cylinder through the air pipe, a pull rod at the front end of the air cylinder is connected with the brake pedal, and the pull rod at the front end of the air cylinder only.
The air storage tank of the main tractor is inflated through the air pipe and the electromagnetic directional valve, and after the air storage tank is full of air, redundant air overflows through an air overflow valve of the braking main air valve.
By adopting the structure and the technical scheme, the invention can realize that the common engineering machinery not only meets the functional requirements of a self-braking system, but also meets the functional requirements of a trailer braking system when the engineering machinery is converted into a wheel steering full trailer, when the common engineering machinery is used, a brake pedal is stepped on by feet to enable an oil braking master cylinder to work, a wheel side oil braking slave cylinder is enabled to act through an oil pipeline, and the braking slave cylinder pushes a drum brake to enable wheels to realize braking; when the wheel steering full trailer is used, in the driving process of a main tractor, a gas storage tank on the main tractor inflates a gas storage tank additionally arranged on the engineering machinery through a brake main gas valve and a gas pipe by a reversing instruction of an electromagnetic reversing valve through the brake main gas valve and the gas pipe, after the gas storage tank is full of gas, redundant gas overflows from a gas overflow valve of the brake main gas valve, braking is performed in the driving process of the main tractor, the electromagnetic reversing valve enables the gas storage tank of the main tractor to directly supply gas to a cylinder additionally arranged on the engineering machinery through the brake main gas valve and the gas pipe, a cylinder pull rod pulls a brake pedal backwards, braking in the driving process of the wheel steering full trailer is realized through an oil braking system of the engineering machinery, and the redundant gas after the cylinder pull rod is pulled by the gas storage tank of the main tractor overflows from the gas overflow valve of the brake; when the main tractor meets the sudden breakage of the gas pipe connected with the full trailer in the normal running process, the emergency braking state is achieved, according to the sudden instruction received by the braking master valve, the gas storage tank added to the engineering machinery starts to supply gas to the gas cylinder through the braking master valve, the gas cylinder pull rod pulls the braking pedal backwards, and the emergency braking of the engineering machinery when the wheel steering full trailer runs along with the full trailer is achieved. By adopting the technical route, the brake system of the common engineering machinery can meet the functional requirements of the wheel steering full trailer brake system by adding the brake conversion mechanism.
Drawings
Fig. 1 is a plan view and a perspective view of a normal braking system of a general construction machine according to the present invention.
fig. 2 is a plan view and a schematic perspective structure of the braking system in a full trailer running state following the main tractor.
fig. 3 is a plan view and a schematic perspective structure of the braking system of the invention in normal braking following the full trailer driving state of the main tractor.
fig. 4 is a plan view and a schematic perspective structure of the braking system of the invention when the brake pipe is broken and emergency braking is carried out in a full trailer running state of the main tractor.
The present invention will be described in further detail with reference to the accompanying drawings.
Detailed Description
Referring to fig. 1 and 2, the invention comprises a brake pedal 5, a master cylinder 3, an oil storage tank 4, a brake slave cylinder 12, a cylinder 2, an air storage tank 8, a master air valve 6, an electromagnetic directional valve 10 and a main tractor air storage tank 11, wherein the brake pedal 5 is connected with the master cylinder 3, the oil storage tank 4 is connected with the master cylinder 3 to provide brake oil for a whole vehicle brake system, the master cylinder 3 is connected with the brake slave cylinder 12 at the wheel edge through an oil pipeline 1, and the brake slave cylinder 12 brakes the wheel through a drum brake; the main tractor air storage tank 11 is connected with the electromagnetic directional valve 10 through an air pipe, the electromagnetic directional valve 10 is connected with an upper interface and a lower interface at the front end of the brake master air valve 6 through an air pipe 9 and an air pipe 13, the upper interface at the rear end of the brake master air valve 6 is connected with the air storage tank 8 through an air pipe 14, the lower interface is connected with the air cylinder 2 through an air pipe 15, a pull rod at the front end of the air cylinder 2 is connected with the brake pedal 5, and the pull rod at the front end of the air cylinder 2 only has the function of pulling the brake pedal 5 backwards and does not have the function of pushing the brake pedal 5; the air storage tank 8 is inflated by the air storage tank 11 of the main tractor through the air transmission pipe and the electromagnetic directional valve 10 and through the air transmission pipe 9, and after the air storage tank is full of air, redundant air overflows through the air overflow valve 7 of the brake main air valve 6.
the braking system when engineering machine tool normal use, the braking system when the full trailer of wheel steering normal use and the braking system under the full trailer emergency braking state, the braking system working process under three kinds of service conditions is as follows:
Referring to fig. 1, the construction machine is normally used:
The brake pedal 5 is stepped on, the master cylinder 3 acts, brake oil in the oil storage tank 4 is transmitted to the brake branch pump 12 through the oil conveying pipe 1 under the action of the master cylinder 3, and the brake branch pump 12 brakes the wheel through the drum brake, so that the brake of the engineering machinery in a normal use state is completed.
Referring to fig. 2 and 3, the wheel steering full trailer is normally used:
In the running process of the main tractor, a main tractor gas storage tank 11 charges gas into a gas storage tank 8 through a gas pipe 9 and a brake master gas valve 6 by a gas pipe 14 through a reversing instruction of an electromagnetic reversing valve 10, and redundant gas overflows from a gas overflow valve 7 of the brake master gas valve 6 after the gas storage tank 8 is full of gas; braking in the driving process of the main tractor, the electromagnetic directional valve 10 enables the main tractor gas storage tank 11 through a directional instruction, the electromagnetic directional valve 10, the gas pipe 13 and the brake master gas valve 6 are used, gas is directly supplied to the cylinder 2 additionally arranged on the engineering machinery by the gas pipe 15, the pull rod of the cylinder 2 pulls the brake pedal 5 backwards, braking in the driving process of the wheel steering full trailer is achieved through an oil braking system of the engineering machinery, redundant gas behind the pull rod of the cylinder 2 pulled by the main tractor gas storage tank 11 overflows from a gas overflow valve 7 of the brake master gas valve 6 through the directional instruction of the electromagnetic directional valve 10.
Referring to fig. 4, the wheel steering all trailer emergency braking state:
Meet the gas-supply pipe 9 that main tractor is connected with the full trailer in the normal course of going, when the gas-supply pipe 13 proruption rupture condition, belong to full trailer emergency braking state, according to the proruption instruction that braking air valve 6 received, gas holder 8 begins to pass through gas-supply pipe 14, braking air valve 6, give 2 air supplies of cylinder through gas-supply pipe 15, 2 pull rods of cylinder pull rod backward pulling brake pedal 5, the emergency braking when rethread engineering machine tool's own fluid braking system realization wheel turns to full trailer and follows and travel.
By adopting the technical route, the brake system of the common engineering machinery can meet the functional requirements of the wheel steering full trailer brake system by adding the brake conversion mechanism.
Claims (2)
1. engineering vehicle oil-gas composite multi-mode brake switching mechanism with full trailer function, comprising a brake pedal (5), a brake master pump (3), an oil storage tank (4), a brake slave pump (12), a cylinder (2), an air storage tank (8), a brake master air valve (6), an electromagnetic directional valve (10) and a master tractor air storage tank (11), and is characterized in that the master tractor air storage tank (11) is connected with the electromagnetic directional valve (10) through an air pipe, the electromagnetic directional valve (10) is connected with an upper interface and a lower interface at the front end of the brake master air valve (6) through an air pipe (9) and an air pipe (13), the upper interface at the rear end of the brake master air valve (6) is connected with the air storage tank (8) through an air pipe (14), the lower interface is connected with the cylinder (2) through an air pipe (15), a pull rod at the front end of the cylinder (2) is connected with the brake pedal (5), and the pull rod at the front end of the cylinder (, the function of pushing the brake pedal (5) forwards is not provided.
2. The engineering vehicle oil-gas composite multi-mode brake conversion mechanism with the full trailer function as claimed in claim 1, wherein the air storage tank (8) is inflated through the air pipe (9) by the air storage tank (11) of the main tractor through the air pipe and the electromagnetic directional valve (10), and after the air storage tank is full of air, redundant air overflows through the air overflow valve (7) of the brake master air valve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910900480.XA CN110539740A (en) | 2019-09-23 | 2019-09-23 | Engineering vehicle oil-gas composite multi-mode brake switching mechanism with full trailer function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910900480.XA CN110539740A (en) | 2019-09-23 | 2019-09-23 | Engineering vehicle oil-gas composite multi-mode brake switching mechanism with full trailer function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110539740A true CN110539740A (en) | 2019-12-06 |
Family
ID=68714464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910900480.XA Pending CN110539740A (en) | 2019-09-23 | 2019-09-23 | Engineering vehicle oil-gas composite multi-mode brake switching mechanism with full trailer function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110539740A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1785790A (en) * | 2005-12-20 | 2006-06-14 | 中国人民解放军总后勤部建筑工程研究所 | Highway high speed hauling fork car |
| CN2928613Y (en) * | 2006-07-21 | 2007-08-01 | 张作彬 | Double pipeline gas-liquid brake system |
| CN210822207U (en) * | 2019-09-23 | 2020-06-23 | 中国人民解放军32181部队 | Engineering vehicle oil-gas composite multi-mode brake switching mechanism with full trailer function |
-
2019
- 2019-09-23 CN CN201910900480.XA patent/CN110539740A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1785790A (en) * | 2005-12-20 | 2006-06-14 | 中国人民解放军总后勤部建筑工程研究所 | Highway high speed hauling fork car |
| CN2928613Y (en) * | 2006-07-21 | 2007-08-01 | 张作彬 | Double pipeline gas-liquid brake system |
| CN210822207U (en) * | 2019-09-23 | 2020-06-23 | 中国人民解放军32181部队 | Engineering vehicle oil-gas composite multi-mode brake switching mechanism with full trailer function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105172500B (en) | A kind of coal mine down-hole tunnel anti-explosion diesel engine land rail convertible car | |
| CN205033889U (en) | Explosion -proof diesel engine land rail convertible car of colliery underworkings | |
| CN104260744A (en) | Rope traction monorail crane system braking vehicle | |
| CN109733351A (en) | Electric brake system and braking method | |
| CN210822207U (en) | Engineering vehicle oil-gas composite multi-mode brake switching mechanism with full trailer function | |
| CN202879314U (en) | Anti-explosion type cable transport cart used for coal mine | |
| CN203127150U (en) | Rodless aircraft tractor | |
| CN102963288B (en) | Anti-explosion cable transporting truck for coalmine | |
| CN110539740A (en) | Engineering vehicle oil-gas composite multi-mode brake switching mechanism with full trailer function | |
| CN101962012B (en) | Double brake system of automatic shift automobile | |
| CN205345257U (en) | Manual brake system is united to dish behind preceding dish | |
| CN202147676U (en) | Hydraulic braking system for trailer | |
| CN101811466B (en) | Control system of engineering bridge transport vehicle | |
| CN103010019B (en) | Bow-type tractor | |
| CN109624952B (en) | Hydraulic braking system for light multi-section connected trailer | |
| CN203667893U (en) | Cableway tractor | |
| CN204674378U (en) | A kind of special beam delivering machine of railway T-shaped beam with speed regulation device | |
| CN102642529B (en) | Linked braking device of all-terrain vehicle and all-terrain vehicle | |
| CN104670187A (en) | Light and concise wheel type conveyor suitable for hillside orchard | |
| CN205149843U (en) | Parking controlling means of wheeled hydraulic pressure machineshop car | |
| CN202481066U (en) | Service braking system for double-cab fork truck | |
| CN205417595U (en) | Vacuum servo hydraulic braking system | |
| CN204020863U (en) | A kind of braking control system for vehicle traction | |
| CN204184370U (en) | Wire saws monorail crane Braking system car | |
| CN202944322U (en) | Brake assembly of all-terrain vehicle and all-terrain vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |