CN101709726B - Hydraulic control system of beam transporting vehicle - Google Patents
Hydraulic control system of beam transporting vehicle Download PDFInfo
- Publication number
- CN101709726B CN101709726B CN 200910172786 CN200910172786A CN101709726B CN 101709726 B CN101709726 B CN 101709726B CN 200910172786 CN200910172786 CN 200910172786 CN 200910172786 A CN200910172786 A CN 200910172786A CN 101709726 B CN101709726 B CN 101709726B
- Authority
- CN
- China
- Prior art keywords
- ball valve
- valve
- group
- motor
- pump
- 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.)
- Active
Links
Images
Abstract
The invention discloses a hydraulic control system of a beam transporting vehicle, and belongs to hydraulic control systems of engineering machinery. The hydraulic control system is provided with not less than two crossbeams on both sides of the whole vehicle; a motor fault emergency disposal device and an explosion stack device are connected under each crossbeam respectively; a cab is arranged in front of and behind the hydraulic control system respectively; the rear part of the hydraulic control system is provided with a power cabin; the inside of the power cabin is symmetrically provided with engines; the engines are connected with a hydraulic pump; travel motors are connected with closed pumps through ball valves; and a hydraulic system pump and a travel motor fault isolation device are connected to one side of a main beam and are positioned at rear parts of the engines. The hydraulic control system has the advantages that: when the hydraulic control system of a vehicle breaks down, hydraulic elements such as ball valves, cushion valves and redundant pipelines and the like are adopted and reasonably configured, and an isolation method is adopted to separate the failure hydraulic elements out from the system so as to shorten maintenance time, reduce the shutdown time of machines, greatly reduce the difficulty of fault disposal, and improve the reliability of the system.
Description
Technical field
The present invention relates to the hydraulic control system of a kind of hydraulic control system of engineering machinery, particularly a kind of girder transportation vehicle.
Background technique
Girder transportation vehicle is large-scale engineering machinery, and 900 tons of girder transportation vehicles self are heavy 300 tons, 1200 tons of fully loaded gross masses, and its equipment all adopts hydraulic driving, because the restriction of field condition, this automobile hydraulic system fault is disposed and is safeguarded very difficult.At present, the hydraulic system fault of this vehicle is disposed the common two kinds of methods that adopt, the first is the on-the-spot fault hydraulic element of changing, and the second is with the on-the-spot dismounting of fault hydraulic element, is transported to garage and keeps in repair.Because the restriction of field condition or lack spare part usually makes fault can not obtain timely and effective disposal, causes construction delay, brings very large economic loss to the user.
Summary of the invention
The objective of the invention is to provide a kind of: the hydraulic control system of girder transportation vehicle that can timely and effective disposal fault.
The object of the present invention is achieved like this: this hydraulic control system comprises hydraulic system pump, running motor fault isolation device (41), the hydraulic system pipeline flameproof apparatus, running motor fault emergency action device, crossbeam (36), power bin (37), rear operator cabin (38), motor (39) and front operator cabin (40), be no less than 2 crossbeams in the both sides of car load, be connected with respectively a motor failure emergency action device and an explosion stack device under each crossbeam, respectively there is an operator cabin front and back, dynamic storehouse, rear portion, the symmetrical motor of placing in the power bin, motor and oil hydraulic pump link together, running motor is connected with the enclosed pump by ball valve, hydraulic system pump, running motor fault isolation device (41) is connected to a side of girder, is positioned at the rear portion of motor (39).
Described hydraulic system pump, running motor fault isolation device comprise that open type pump, enclosed pump one and enclosed pump two all are connected on the transfer case, and the open type delivery side of pump is in series with multiple directional control valve and equipment;
Two ends of enclosed pump one and enclosed pump two all are connected with variable displacement motor by ball valve, also be connected with simultaneously trimmer valve (16), described ball valve has ball valve one (5), ball valve two (6), ball valve three (7), ball valve four (8), ball valve five (9), ball valve six (10), ball valve seven (12), ball valve eight (14); Variable displacement motor has variable displacement motor one (11), variable displacement motor two (13), variable displacement motor three (15); Two ends at variable displacement motor one are connected with respectively ball valve two (6), ball valve six (10), formation group one; Two ends at variable displacement motor two are connected with respectively ball valve three (7), ball valve seven (12), formation group two; Two ends at variable displacement motor three are connected with respectively ball valve four (8), ball valve eight (14), formation group three; Group one, group two, group three and trimmer valve are in parallel, consist of the buffering ball valve assembly, two ends of buffering ball valve assembly all are connected with variable displacement motor by ball valve, consist of variable displacement motor group one, variable displacement motor group two is identical with variable displacement motor group one, the corresponding connection with the top and bottom of variable displacement motor group two in the top and bottom of variable displacement motor group one.
Described hydraulic system pipeline flameproof apparatus comprises ball valve nine (18), explosion-proof valve one (19), hose assembly one (20), hose assembly two (21), explosion-proof valve two (22), hanging oil cylinder one (23), hanging oil cylinder two (24), ball valve ten (25), ball valve nine is connected with explosion-proof valve one, explosion-proof valve one is connected with hose assembly by hose assembly one and is connected with explosion-proof valve two, explosion-proof valve two is connected with hanging oil cylinder one, consist of explosion-proof hanging oil cylinder group one, explosion-proof hanging oil cylinder group two is identical with explosion-proof hanging oil cylinder group one, explosion-proof hanging oil cylinder group one be connected hanging oil cylinder group two and all be connected with the suspension control connection of main frame multiple directional control valve.
Described running motor fault emergency action device includes bearing pin one (26), suspension (27), hanging oil cylinder (28), bearing pin two (29), bearing pin three (30), balance arm (31), ransaxle (32), journal stirrup one (33), cable wire (34), journal stirrup two (35), between the top of suspension (27) and balance arm (31) intermediate portion, be connected with hanging oil cylinder (28) by bearing pin one (26) and bearing pin three (30), the bottom of suspension (27) is connected with an end of balance arm (31) by bearing pin two (29), the other end of balance arm is connected with ransaxle (32), at suspension (27) journal stirrup two (35) is arranged, at ransaxle journal stirrup one (33) is arranged, between two journal stirrups, be connected with cable wire (34).
Beneficial effect, owing to adopted such scheme, the hydraulic control system of this girder transportation vehicle, hydraulic system characteristics and overall performance requirement according to girder transportation vehicle, employing is isolated away the inefficacy hydraulic element from system method, dispose difficult problem from system from the hydraulic system fault that solves girder transportation vehicle with it at all, use redundant pipeline, the measure such as trimmer valve is set, improve the reliability of system.Can timely and effective disposal fault, reached purpose of the present invention.
Advantage: when automobile hydraulic system breaks down, adopt the hydraulic element such as ball valve, trimmer valve, redundant pipeline, and reasonably hydraulic element are configured, adopt the method for isolation, the inefficacy hydraulic element are separated from system, shortened engineering time, reduce the idle time of machine, greatly reduce the difficulty that fault is disposed, and improved the reliability of system.
Description of drawings
Fig. 1 is arrangement structural drawing of the present invention.
Fig. 2 is hydraulic system pump of the present invention, running motor fault isolation device configuration sketch.
Fig. 3 is hydraulic system pipeline flameproof apparatus sketch of the present invention.
Fig. 4 is running motor fault emergency action structure drawing of device of the present invention.
Fig. 5 is hydraulic system pipeline flameproof apparatus structural drawing of the present invention.
Among Fig. 1,36, crossbeam; 37, power bin; 38, rear operator cabin; 39, motor; 40, front operator cabin; 41, hydraulic system pump, running motor fault isolation device.
Among Fig. 2,1, the open type pump; 2, multiple directional control valve; 3, equipment; 4, the enclosed pump one; 5, ball valve one; 6, ball valve two; 7, ball valve three; 8, ball valve four; 9, ball valve five; 10, ball valve six; 11, variable displacement motor one; 12, ball valve seven; 13, variable displacement motor two; 14, ball valve eight; 15, variable displacement motor three; 16, trimmer valve; 17, the enclosed pump two.
Among Fig. 3,18, ball valve nine; 19, explosion-proof valve one; 20, hose assembly one; 21, hose assembly two; 22, explosion-proof valve two; 23, hanging oil cylinder one; 24, hanging oil cylinder two; 25, ball valve ten.
Among Fig. 4,26, bearing pin one; 27, suspension; 28, hanging oil cylinder; 29, bearing pin two; 30, bearing pin three; 31, balance arm; 32, ransaxle; 33, journal stirrup one; 34, cable wire; 35, journal stirrup two.
Among Fig. 5,19, explosion-proof valve one; 20, hose assembly one; 22, explosion-proof valve two; 28, hanging oil cylinder.
Embodiment
Embodiment 1: this hydraulic control system comprises hydraulic system pump, running motor fault isolation device 41, the hydraulic system pipeline flameproof apparatus, running motor fault emergency action device, crossbeam 36, power bin 37, rear operator cabin 38, motor 39 and front operator cabin 40,16 crossbeams are arranged in the both sides of car load, be connected with respectively a motor failure emergency action device and an explosion stack device under each crossbeam, respectively there is an operator cabin front and back, dynamic storehouse, rear portion, the symmetrical motor of placing in the power bin, motor and oil hydraulic pump link together, running motor is connected with the enclosed pump by ball valve, hydraulic system pump, running motor fault isolation device 41 is connected to a side of girder, is positioned at the rear portion of motor 39.
Described hydraulic system pump, running motor fault isolation device comprise that open type pump, enclosed pump one and enclosed pump two all are connected on the transfer case, and the open type delivery side of pump is in series with multiple directional control valve and equipment;
Two ends of enclosed pump one and enclosed pump two all are connected with variable displacement motor by ball valve, also are connected with simultaneously trimmer valve 16, and described ball valve has ball valve 1, ball valve 26, ball valve 37, ball valve 48, ball valve 59, ball valve 6 10, ball valve 7 12, ball valve 8 14; Variable displacement motor has variable displacement motor 1, variable displacement motor 2 13, variable displacement motor 3 15; Two ends at variable displacement motor one are connected with respectively ball valve 26, ball valve 6 10, formation group one; Two ends at variable displacement motor two are connected with respectively ball valve 37, ball valve 7 12, formation group two; Two ends at variable displacement motor three are connected with respectively ball valve 48, ball valve 8 14, formation group three; Group one, group two, group three and trimmer valve are in parallel, consist of the buffering ball valve assembly, two ends of buffering ball valve assembly all are connected with variable displacement motor by ball valve, consist of variable displacement motor group one, variable displacement motor group two is identical with variable displacement motor group one, the corresponding connection with the top and bottom of variable displacement motor group two in the top and bottom of variable displacement motor group one.
Described hydraulic system pipeline flameproof apparatus comprises ball valve 9 18, explosion-proof valve 1, hose assembly 1, hose assembly 2 21, explosion-proof valve 2 22, hanging oil cylinder 1, hanging oil cylinder 2 24, ball valve 10, ball valve nine is connected with explosion-proof valve one, explosion-proof valve one is connected with hose assembly by hose assembly one and is connected with explosion-proof valve two, explosion-proof valve two is connected with hanging oil cylinder one, consist of explosion-proof hanging oil cylinder group one, explosion-proof hanging oil cylinder group two is identical with explosion-proof hanging oil cylinder group one, explosion-proof hanging oil cylinder group one be connected hanging oil cylinder group two and all be connected with the suspension control connection of main frame multiple directional control valve.
Described running motor fault emergency action device includes bearing pin 1, suspension 27, hanging oil cylinder 28, bearing pin 2 29, bearing pin 3 30, balance arm 31, ransaxle 32, journal stirrup 1, cable wire 34, journal stirrup 2 35, between the top of suspension 27 and balance arm 31 intermediate portions, be connected with hanging oil cylinder 28 by bearing pin 1 and bearing pin 3 30, the bottom of suspension 27 is connected with an end of balance arm 31 by bearing pin 2 29, the other end of balance arm is connected with ransaxle 32, at suspension 27 journal stirrup 2 35 is arranged, at ransaxle journal stirrup 1 is arranged, between two journal stirrups, be connected with cable wire 34.
In Fig. 2, for every motor, open type pump 1, enclosed pump 1, enclosed pump 2 17 are installed in respectively on three power taking mouths of transfer case, in variable displacement motor 1, variable displacement motor 2 13, variable displacement motor 3 15 these closed circuits of access in parallel.If enclosed pump 1 breaks down, ball valve 1, ball valve 59 can be closed, continue as walking loop fuel feeding with enclosed pump 2 17, guarantee that vehicle temporarily turns round, for maintenance creates favorable conditions.
If variable displacement motor 1 breaks down, ball valve 26, ball valve 6 10 can be closed, further damage for fear of motor or speed reducer, support vehicles temporarily turn round, use simultaneously motor failure emergency action device, the wheel that variable displacement motor 1 is driven breaks away from ground.
Trimmer valve 16 usefulness hose assemblies are connected to walking and drive in the loop, and when service brake, this loop oil pressure raises, and when pressure surpassed trimmer valve 16 setting value, trimmer valve 16 off-loads protected these loop hydraulic element not damaged.
In Fig. 3, in ball valve nine (18), the explosion-proof valve one 19 usefulness steel pipes access loop, explosion-proof valve 2 22 usefulness bolts directly are fastened on the cylinder body of hanging oil cylinder 1, explosion-proof valve 1, explosion-proof valve 2 22 usefulness hose assemblies 1, hose assembly 2 21 link together, like this, if in use, explosion occurs in hose assembly 1, explosion-proof valve 1, explosion-proof valve 2 22 be closing oil path immediately, the normal operation of loop, hose assembly 2 21 place, and support vehicles run well.
In Fig. 4, suspension 27 is articulated and connected by bearing pin 2 29 with balance arm 31, balance arm 31 is articulated and connected at mark C place with ransaxle 32, hanging oil cylinder 28 is by bearing pin 1, bearing pin 3 30 be articulated and connected respectively suspension 27 and balance arm 31, cable wire 34 two ends connect respectively journal stirrup 1 and journal stirrup 2 35, by regulating the length of cable wire 34, can regulate ransaxle 32 apart from the height on ground, the wheel that this bridge is installed breaks away from ground, makes the fault hydraulic element out of service.
The equipment quantity of girder transportation vehicle is more, requires flow rate of hydraulic system very large, has adopted the method at many pumps interflow to realize, when using six oil hydraulic pumps, generally provide power by two motors, open type working pump of every engine-driving, two enclosed working pumps; It is rear to steering system and other auxiliary working apparatus fuel feeding that complete machine adopts two open type pump interflow like this, gives the running gear fuel feeding behind four enclosed pumps interflow; Running motor is connected in parallel in the closed circuit.
Claims (1)
1. the hydraulic control system of a girder transportation vehicle, it is characterized in that: this hydraulic control system comprises hydraulic system pump, running motor fault isolation device (41), the hydraulic system pipeline flameproof apparatus, running motor fault emergency action device, crossbeam (36), power bin (37), rear operator cabin (38), motor (39) and front operator cabin (40), be no less than 2 crossbeams in the both sides of car load, be connected with respectively a running motor fault emergency action device and a hydraulic system pipeline flameproof apparatus under each crossbeam, respectively there is an operator cabin front and back, dynamic storehouse, rear portion, the symmetrical motor of placing in the power bin, motor and hydraulic system pump link together, running motor is connected with the enclosed pump of hydraulic system pump by ball valve, hydraulic system pump, running motor fault isolation device (41) is connected to a side of girder, is positioned at the rear portion of motor (39);
Described hydraulic system pump, running motor fault isolation device comprise open type pump, enclosed pump one and enclosed pump two, and open type pump, enclosed pump one and enclosed pump two all are connected on the transfer case, and the open type delivery side of pump is in series with multiple directional control valve and equipment;
Two ends of enclosed pump one and enclosed pump two all are connected with running motor by ball valve, also be connected with simultaneously trimmer valve (16), described ball valve has ball valve one (5), ball valve two (6), ball valve three (7), ball valve four (8), ball valve five (9), ball valve six (10), ball valve seven (12), ball valve eight (14); Running motor has variable displacement motor one (11), variable displacement motor two (13), variable displacement motor three (15); Two ends at variable displacement motor one are connected with respectively ball valve two (6), ball valve six (10), formation group one; Two ends at variable displacement motor two are connected with respectively ball valve three (7), ball valve seven (12), formation group two; Two ends at variable displacement motor three are connected with respectively ball valve four (8), ball valve eight (14), formation group three; Group one, group two, group three and trimmer valve are in parallel, consist of the buffering ball valve assembly, two ends of buffering ball valve assembly all are connected with running motor by ball valve, consist of variable displacement motor group one, variable displacement motor group two is identical with variable displacement motor group one, the corresponding connection with the top and bottom of variable displacement motor group two in the top and bottom of variable displacement motor group one;
Described hydraulic system pipeline flameproof apparatus comprises ball valve nine (18), explosion-proof valve one (19), hose assembly one (20), hose assembly two (21), explosion-proof valve two (22), hanging oil cylinder one (23), hanging oil cylinder two (24), ball valve ten (25), ball valve nine is connected with explosion-proof valve one, explosion-proof valve one is connected with hose assembly by hose assembly one and is connected with explosion-proof valve two, explosion-proof valve two is connected with hanging oil cylinder one, consist of explosion-proof hanging oil cylinder group one, explosion-proof hanging oil cylinder group two is identical with explosion-proof hanging oil cylinder group one, explosion-proof hanging oil cylinder group one be connected hanging oil cylinder group two and all be connected with the suspension control connection of main frame multiple directional control valve;
Described running motor fault emergency action device includes bearing pin one (26), suspension (27), hanging oil cylinder (28), bearing pin two (29), bearing pin three (30), balance arm (31), ransaxle (32), journal stirrup one (33), cable wire (34), journal stirrup two (35), between the top of suspension (27) and balance arm (31) intermediate portion, be connected with hanging oil cylinder (28) by bearing pin one (26) and bearing pin three (30), the bottom of suspension (27) is connected with an end of balance arm (31) by bearing pin two (29), the other end of balance arm is connected with ransaxle (32), at suspension (27) journal stirrup two (35) is arranged, at ransaxle journal stirrup one (33) is arranged, between two journal stirrups, be connected with cable wire (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910172786 CN101709726B (en) | 2009-11-17 | 2009-11-17 | Hydraulic control system of beam transporting vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910172786 CN101709726B (en) | 2009-11-17 | 2009-11-17 | Hydraulic control system of beam transporting vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101709726A CN101709726A (en) | 2010-05-19 |
| CN101709726B true CN101709726B (en) | 2013-03-27 |
Family
ID=42402526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910172786 Active CN101709726B (en) | 2009-11-17 | 2009-11-17 | Hydraulic control system of beam transporting vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101709726B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111255843A (en) * | 2020-01-15 | 2020-06-09 | 广东博智林机器人有限公司 | Gas-liquid composite suspension cylinder, hydraulic system and transport vehicle |
-
2009
- 2009-11-17 CN CN 200910172786 patent/CN101709726B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN101709726A (en) | 2010-05-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102364010B (en) | Wheel type cloth machinery | |
| CN201882818U (en) | Crane with telescopic tower body | |
| CN102649507A (en) | Integrated pipe-transferring trolley | |
| CN101709726B (en) | Hydraulic control system of beam transporting vehicle | |
| CN202115605U (en) | Quick removing trailer for large-scale derricks | |
| CN106660742A (en) | Elevator having a braking device | |
| CN102424001A (en) | Four-axle automobile chassis and automobile crane with same | |
| CN101706265A (en) | Loosening gap probe station of automotive chassis | |
| CN102530582A (en) | Method for landing large-size ship loader entirely | |
| CN201951201U (en) | Three-axle swinging arm type balance suspension system | |
| CN201472464U (en) | Multishaft steering device of special transport frame vehicle | |
| CN102019834A (en) | Wheel crane and suspension hydraulic system thereof | |
| CN203544125U (en) | Heavy truck dumper frame assembly | |
| CN115094888A (en) | Multi-cylinder combined driving system for pile frame of large pile driving barge and control method thereof | |
| CN104018530A (en) | Construction machine | |
| CN201900957U (en) | Wheeled crane and suspension hydraulic system thereof | |
| US11846086B2 (en) | Hydraulic system and a method for controlling a hydraulic system of a working machine | |
| CN201333965Y (en) | Stabilizing device for box body of self-unloading wagon | |
| CN208715292U (en) | Off-highway wide dumper | |
| CN215293042U (en) | Hydraulic control system of backward-turning supporting type car unloader | |
| CN202641294U (en) | Engineering machine and additional axle device | |
| CN206983660U (en) | A kind of braking balance suspension and multiple-axle vehicle | |
| CN201090485Y (en) | Intermediate support of fire vehicle water pump transmission system | |
| CN219406583U (en) | Spare hydraulic device of heavy dump truck | |
| CN204665300U (en) | A kind of submerged slag conveyor transmission mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| DD01 | Delivery of document by public notice |
Addressee: XCMG Construction Machinery Co.,Ltd. Wuyong Document name: Notification of an Office Action |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220815 Address after: No.26 tuolanshan Road, Xuzhou Economic and Technological Development Zone, Xuzhou City, Jiangsu Province Patentee after: JIANGSU XUGONG ENGINEERING MACHINERY RESEARCH INSTITUTE Co.,Ltd. Address before: Xugong Group Headquarters, Tuolan Mountain Road, Industrial Zone 1, Xuzhou Economic Development Zone, Xuzhou City, Jiangsu Province, 221000 Patentee before: XCMG CONSTRUCTION MACHINERY Co.,Ltd. |