CN202089695U - Hydraulic system for lorry-mounted crane - Google Patents
Hydraulic system for lorry-mounted crane Download PDFInfo
- Publication number
- CN202089695U CN202089695U CN2011201572349U CN201120157234U CN202089695U CN 202089695 U CN202089695 U CN 202089695U CN 2011201572349 U CN2011201572349 U CN 2011201572349U CN 201120157234 U CN201120157234 U CN 201120157234U CN 202089695 U CN202089695 U CN 202089695U
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- valve
- electromagnetic valve
- oil cylinder
- solenoid valve
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to a hydraulic system for a lorry-mounted crane, comprising a crane oil tank, an oil pump, an overflow valve, a main body valve, a landing leg telescopic cylinder, a vertical landing leg cylinder, a hydraulic wireline winch, an arm frame amplitude cylinder, an arm frame telescopic cylinder, a hydraulic revolved body, a hydraulic revolved speeding reducer and a handed manipulator. The lorry-mounted crane hydraulic system is characterized in that the crane oil tank is connected with the oil pump by an oil tank output pipeline, the overflow valve is arranged between a crane oil tank output pipeline and a returning pipeline, an electric-hydraulic proportion flow valve is arranged between a total oil inlet path and a total oil returning path, the electric-hydraulic proportion flow valve is connected with the main body valve by the total oil inlet path and the total oil returning path, an arm frame amplitude solenoid valve, an arm frame telescopic solenoid valve, a landing leg telescopic solenoid valve, a hydraulic revolved solenoid valve, a hydraulic wireline winch solenoid valve and a landing leg lifting solenoid valve are arranged on the main body valve, the arm frame amplitude solenoid valve, the arm frame telescopic solenoid valve, and the hydraulic wireline winch solenoid valve are connected with the arm frame amplitude cylinder, the arm frame telescopic cylinder and the hydraulic wireline winch by hydraulic pipelines through the hydraulic revolved body, and the hydraulic revolved solenoid valve, the landing leg telescopic solenoid valve, and the landing leg lifting solenoid valve are connected with the hydraulic revolved speeding reducer, the landing leg telescopic cylinder and the vertical landing leg cylinder by hydraulic pipelines.
Description
Technical field
The utility model belongs to a kind of lorry-mounted crane hydraulic technique field, especially a kind of lorry-mounted crane hydraulic efficiency pressure system.
Background technology
Lorry-mounted crane is that a kind of machinery, hydraulic pressure, Eltec of collecting is the special-use vehicle of one, targeted loads is transported to a kind of mechanism arrangement of assigned address by continuous luffing, the revolution of mechanism, action such as stretch, hoist.Along with the development of lorry-mounted crane, all trades and professions are more and more higher to the requirement of hoisting crane because the difference of behavior of structure, installation site and the practical occasion of product, to hoisting crane deadweight require light, functional requirement is powerful and easy to operate.Existing hydraulic efficiency pressure system generally adopts manual multi-path reversing valve to control power elements such as oil cylinder, motor respectively and moves and realize hoisting crane motion, but its control position must be fixed on the manual multi-path reversing valve place, can't move, inconvenient operation.Another kind of hydraulic efficiency pressure system adopts electro-hydraulic proportional multi-way reversing valve to control power elements such as oil cylinder, motor respectively and moves and realize the hoisting crane motion, though it can dispose line control machine, realize wired operation, the electro-hydraulic proportional multi-way reversing valve cost is too high, be difficult to allow client accept, be not easy to promote.
Summary of the invention
The purpose of this utility model is the deficiency that overcomes prior art, and a kind of lorry-mounted crane hydraulic efficiency pressure system is provided, and this hydraulic efficiency pressure system is to improve on the original structure basis, easy and simple to handle, safer, more reliable, reduced cost, and can join line control machine, and realizing wired (wireless) control, can extensively promote.
The utility model lorry-mounted crane hydraulic efficiency pressure system comprises: a kind of lorry-mounted crane hydraulic efficiency pressure system comprises hoisting crane fuel tank, oil pump, by pass valve, valve body, supporting leg telescopic oil cylinder, vertical leg oil cylinder, hydraulic wireline winch, jib amplitude oil cylinder, jib telescopic oil cylinder, hydraulic gyration body, hydraulic gyration reductor, hand-held effector.It is characterized in that: the hoisting crane fuel tank is connected with oil pump by the fuel tank delivery conduit, between hoisting crane fuel tank delivery conduit and return line, be provided with by pass valve, total in-line with always be provided with electro-hydraulic proportional flow valve between the oil return line, electro-hydraulic proportional flow valve is connected with valve body with total oil return line by total in-line, is provided with jib luffing electromagnetic valve, jib telescoping electromagnetic valve, supporting leg telescoping electromagnetic valve, hydraulic gyration electromagnetic valve, hydraulic wireline winch electromagnetic valve, supporting leg lifting electromagnetic valve on valve body; Jib luffing electromagnetic valve, jib telescoping electromagnetic valve, hydraulic wireline winch electromagnetic valve link to each other with hydraulic wireline winch with crane arm support amplitude oil cylinder, jib telescopic oil cylinder through the hydraulic gyration body by hydraulic tubing; Hydraulic gyration electromagnetic valve, supporting leg telescoping electromagnetic valve and supporting leg lifting electromagnetic valve link to each other with hydraulic gyration reductor, supporting leg telescopic oil cylinder and vertical leg oil cylinder by hydraulic tubing.
Its beneficial effect is: the configurable line control machine of the utility model, real wired or wireless control makes simple to operately, safer, more reliable, has not only reduced the cost of a whole set of hydraulic efficiency pressure system, and helps the client and accept and marketing.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is a hydraulic system principle figure of the present utility model.
Fig. 2 is the scheme drawing of hand-held effector.
Fig. 3 is the installation site figure of each constituent elements of the present utility model in lorry-mounted crane
Among the figure: 1-fuel tank, 2-oil pump, 3-by pass valve, 4-electro-hydraulic proportional flow valve, 5-valve body, 6-supporting leg telescopic oil cylinder, 7-vertical leg oil cylinder, 8-hydraulic wireline winch, 9-jib amplitude oil cylinder, 10-jib telescopic oil cylinder, 11-hydraulic gyration body, 12-hydraulic gyration reductor, 13-jib telescoping electromagnetic valve; 14-jib luffing electromagnetic valve, 15-hydraulic wireline winch electromagnetic valve, 16-hydraulic gyration electromagnetic valve, 17-supporting leg lifting electromagnetic valve, 18-supporting leg telescoping electromagnetic valve, 19-jib luffing button, the 20-jib button that stretches, 21-supporting leg button that stretches, 22-jib rotary knob, 23-hook lifting button, 24-supporting leg lifting button, 25-electric proportional control handle, 26-effector, 27-signal cable, 28-fixed supporting leg, 29-turntable, 30-telescopic jib, 31-suspension hook, 32-telescopic outrigger.
The specific embodiment
With reference to Fig. 1, the utility model comprisesHoisting crane fuel tank 1, oil pump 2, by pass valve 3, valve body 5, supporting leg telescopic oil cylinder 6, vertical leg oil cylinder 7, hydraulic wireline winch 8, jib amplitude oil cylinder 9, jib telescopic oil cylinder 10, hydraulic gyration body 11, hydraulic gyration reductor 12, hand-held effector 26.Hoisting crane fuel tank 1 is connected with oil pump 2 by the fuel tank delivery conduit, between hoisting crane fuel tank 1 delivery conduit and return line, be provided with by pass valve 3, total in-line with always be provided with electro-hydraulic proportional flow valve 4 between the oil return line, electro-hydraulic proportional flow valve 4 is connected with valve body 5 with total oil return line by total in-line, on valve body 5, be provided with jib telescoping electromagnetic valve 13, jib luffing electromagnetic valve 14, hydraulic wireline winch electromagnetic valve 15, hydraulic gyration electromagnetic valve 16, supporting leg lifting electromagnetic valve 17, supporting leg telescoping electromagnetic valve 18, jib telescoping electromagnetic valve 13, jib luffing electromagnetic valve 14, hydraulic wireline winch electromagnetic valve 15, hydraulic gyration electromagnetic valve 16, supporting leg lifting electromagnetic valve 17, supporting leg telescoping electromagnetic valve 18 by hydraulic tubing respectively with crane arm support telescopic oil cylinder 10, jib amplitude oil cylinder 9, hydraulic wireline winch 8, hydraulic gyration reductor 12, vertical leg oil cylinder 7 links to each other with supporting leg telescopic oil cylinder 6; Jib luffing electromagnetic valve 14, jib telescoping electromagnetic valve 13, hydraulic wireline winch electromagnetic valve 15 link to each other with crane arm support amplitude oil cylinder 9, jib telescopic oil cylinder 10 and hydraulic wireline winch 8 through hydraulic gyration body 11 by hydraulic tubing; Hydraulic gyration electromagnetic valve 16, supporting leg telescoping electromagnetic valve 18 and supporting leg lifting electromagnetic valve 17 link to each other with hydraulic gyration reductor 12, supporting leg telescopic oil cylinder 6 and vertical leg oil cylinder 7 by hydraulic tubing.
With reference to Fig. 2,Hand-held effector 26 comprises jib luffing button 19, the jib button 20 that stretches, the supporting leg button 21 that stretches, jib rotary knob 22, button 23 falls in hook lifting, supporting leg lifting button 24, electricity proportional control handle 25, control button on the effector 26 is controlled jib telescoping electromagnetic valve 13 respectively by signal cable 27, jib luffing electromagnetic valve 14, hydraulic wireline winch electromagnetic valve 15, hydraulic gyration electromagnetic valve 16, supporting leg lifting electromagnetic valve 17 supporting leg telescoping electromagnetic valve 18 and electro-hydraulic proportional flow valves 4, thereby control the flow and the pressure of total oil-feed, and optionally control oil cylinder, power elements such as motor, the final effective control that realizes each action of hoisting crane.
With reference to Fig. 3,When telescopic boom is steeved or bend down work.Oil pump 2 oil suction from hydraulic reservoir 1 with the high pressure oil process by pass valve 3 that produces, guarantees that oil pressure can not surpass default pressure in total chargine line again; Then, enter valve body 5 through electro-hydraulic proportional flow valve 4; Press jib luffing button 19 in the hand-held effector 26 earlier, upwards promote electric proportional control handle 25 again, the jib luffing electromagnetic valve 14 that control is installed on the main valve body 5 carries out the oil circuit commutation, make pressure oil lead to the rod chamber or the rodless cavity of amplitude oil cylinder 9, and the unlatching size of control electro-hydraulic proportional flow valve 4 hydraulic fluid ports, and then control enters the flow and the pressure of hydraulic oil in the valve body 5, thereby realization is stretched out amplitude oil cylinder 9 or the control of retraction speed, finally realizes the work that lorry-mounted crane telescopic boom 30 is steeved or bent down.
By the flexible button 21 of supporting leg, handle supporting leg telescopic oil cylinder 6, realize the work of stretching, contract of telescopic outrigger 32; By supporting leg lifting button 24, handle the work of stretching, contract of vertical leg oil cylinder 7; By jib rotary knob 22, operating hydraulically operated rotary reducer 12 is realized suitable, the retrograde rotation work of turntable 29; By the flexible button 20 of jib, handle jib telescopic oil cylinder 10, realize the work of stretching, contract of telescopic boom 30; By hook lifting button 23, operating hydraulically operated winch 8 is realized the ascending, descending work of suspension hook 31, and all the mode with above-mentioned is the same.
Claims (1)
1. a lorry-mounted crane hydraulic efficiency pressure system comprises hoisting crane fuel tank, oil pump, by pass valve, valve body, supporting leg telescopic oil cylinder, vertical leg oil cylinder, hydraulic wireline winch, jib amplitude oil cylinder, jib telescopic oil cylinder, hydraulic gyration body, hydraulic gyration reductor, hand-held effector; It is characterized in that: the hoisting crane fuel tank is connected with oil pump by the fuel tank delivery conduit, between hoisting crane fuel tank delivery conduit and return line, be provided with by pass valve, total in-line with always be provided with electro-hydraulic proportional flow valve between the oil return line, electro-hydraulic proportional flow valve is connected with valve body with total oil return line by total in-line, is provided with jib luffing electromagnetic valve, jib telescoping electromagnetic valve, supporting leg telescoping electromagnetic valve, hydraulic gyration electromagnetic valve, hydraulic wireline winch electromagnetic valve, supporting leg lifting electromagnetic valve on valve body; Jib luffing electromagnetic valve, jib telescoping electromagnetic valve, hydraulic wireline winch electromagnetic valve, link to each other with hydraulic wireline winch with crane arm support amplitude oil cylinder, jib telescopic oil cylinder through the hydraulic gyration body by hydraulic tubing; Hydraulic gyration electromagnetic valve, supporting leg telescoping electromagnetic valve and supporting leg lifting electromagnetic valve link to each other with hydraulic gyration reductor, supporting leg telescopic oil cylinder and vertical leg oil cylinder by hydraulic tubing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201572349U CN202089695U (en) | 2011-05-17 | 2011-05-17 | Hydraulic system for lorry-mounted crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201572349U CN202089695U (en) | 2011-05-17 | 2011-05-17 | Hydraulic system for lorry-mounted crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202089695U true CN202089695U (en) | 2011-12-28 |
Family
ID=45364776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201572349U Expired - Fee Related CN202089695U (en) | 2011-05-17 | 2011-05-17 | Hydraulic system for lorry-mounted crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202089695U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102515029A (en) * | 2011-12-30 | 2012-06-27 | 大连华锐重工集团股份有限公司 | Hydraulic protection device for steel sheet billet handling and operation method thereof |
| CN102887435A (en) * | 2012-10-19 | 2013-01-23 | 中联重科股份有限公司 | Hydraulic system for controlling amplitude variation of crane boom, control method and crane |
| CN103148060A (en) * | 2013-01-09 | 2013-06-12 | 中联重科股份有限公司渭南分公司 | Lifting control system and control method for boarding ladder |
| CN103420272A (en) * | 2012-05-24 | 2013-12-04 | 合肥神马科技集团有限公司 | Crane and hydraulic system thereof for controlling composite motion |
| CN105089275A (en) * | 2015-07-10 | 2015-11-25 | 北汽福田汽车股份有限公司 | Concrete pump truck and hydraulic system thereof |
-
2011
- 2011-05-17 CN CN2011201572349U patent/CN202089695U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102515029A (en) * | 2011-12-30 | 2012-06-27 | 大连华锐重工集团股份有限公司 | Hydraulic protection device for steel sheet billet handling and operation method thereof |
| CN102515029B (en) * | 2011-12-30 | 2013-11-13 | 大连华锐重工集团股份有限公司 | Hydraulic protection device for steel sheet billet handling and operation method thereof |
| CN103420272A (en) * | 2012-05-24 | 2013-12-04 | 合肥神马科技集团有限公司 | Crane and hydraulic system thereof for controlling composite motion |
| CN103420272B (en) * | 2012-05-24 | 2015-11-11 | 合肥神马科技集团有限公司 | The hydraulic efficiency pressure system of a kind of hoisting crane and control composite move thereof |
| CN102887435A (en) * | 2012-10-19 | 2013-01-23 | 中联重科股份有限公司 | Hydraulic system for controlling amplitude variation of crane boom, control method and crane |
| CN102887435B (en) * | 2012-10-19 | 2014-11-05 | 中联重科股份有限公司 | Hydraulic system for controlling amplitude variation of crane boom, control method and crane |
| CN103148060A (en) * | 2013-01-09 | 2013-06-12 | 中联重科股份有限公司渭南分公司 | Lifting control system and control method for boarding ladder |
| CN103148060B (en) * | 2013-01-09 | 2015-08-26 | 中联重科股份有限公司渭南分公司 | Step on lift control system and the controlling method of car staircase |
| CN105089275A (en) * | 2015-07-10 | 2015-11-25 | 北汽福田汽车股份有限公司 | Concrete pump truck and hydraulic system thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202089695U (en) | Hydraulic system for lorry-mounted crane | |
| CN202609821U (en) | Fixed timber grab | |
| CN101638980B (en) | Full-balance hydraulic transmission oil sucking machine | |
| CN202089696U (en) | Wired or wireless electric apparatus control system of lorry-mounted crane | |
| CN104591052A (en) | Oil-electricity hybrid power walking type aloft working platform | |
| CN202785402U (en) | Hydraulic cylinder control oil circuit for controlling extension and retraction of three sections of suspension arms of railway crane | |
| CN202988660U (en) | Variation amplitude and rotary hydraulic circuit for operation arm of high-altitude operation car | |
| CN202089693U (en) | Lorry-mounted crane wired remote control electric system based on bus technology | |
| CN203889960U (en) | Hydraulic system of telescopic boom of straight-arm-type lorry-mounted crane | |
| CN202296875U (en) | Manually-electrically integrated wireless control system of crane | |
| CN207406274U (en) | Stake machine equipment hydraulic speed-limiting system | |
| CN101672027B (en) | Portal crane | |
| CN102530780A (en) | Hydraulic pipeline system for forklift two-section full-free gantry | |
| CN105605000A (en) | Hydraulic drive circuit for adjusting telescopic arm of aerial work platform | |
| CN210768647U (en) | Hydraulic workover rig | |
| CN201520958U (en) | Gate hoist | |
| CN206156631U (en) | Flexible arm caterpillar crane hydraulic control return circuit | |
| CN201343368Y (en) | Translation device of crane container spreader | |
| CN202988605U (en) | Multifunctional hydraulic rotary spiral crane device | |
| CN205591274U (en) | Small -size excavator combination flow control system | |
| CN203998732U (en) | A kind of thick stick swinging gear of choosing | |
| CN204729372U (en) | A kind of hydraulic control system of supercharging type press machine | |
| CN206033081U (en) | Energy -saving hydraulic system for hoist | |
| CN104493471A (en) | Auxiliary disassembly device for disassembly of differentials | |
| CN204646827U (en) | A kind of hydraulic control system of supercharging type press machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111228 Termination date: 20180517 |