CN201597495U - Hydraulic device for dumping of full trailer train - Google Patents
Hydraulic device for dumping of full trailer train Download PDFInfo
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- CN201597495U CN201597495U CN2010201131178U CN201020113117U CN201597495U CN 201597495 U CN201597495 U CN 201597495U CN 2010201131178 U CN2010201131178 U CN 2010201131178U CN 201020113117 U CN201020113117 U CN 201020113117U CN 201597495 U CN201597495 U CN 201597495U
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Abstract
A hydraulic device for dumping of a full trailer train comprises a main hydraulic cylinder, a trailer hydraulic cylinder and a hydraulic pipeline, wherein the main hydraulic cylinder connected to the full trailer train is used for controlling lift of a main carriage, the trailer hydraulic cylinder is used for controlling lift of a trailer carriage, the hydraulic pipeline controls and drives the main hydraulic cylinder and the trailer hydraulic cylinder to act, and the hydraulic pipeline consists of an oil circuit system and a gas circuit system. Further, the oil circuit system consists of an oil pump, an oil tank, a pneumatic three-position four-way valve, a pneumatic two-position three-way valve and an oil delivery pipeline, and the gas circuit system consists of a compressed air source, a p-type functional three-position four-way valve, a drawing two-position three-way valve, a first limit gas valve, a second limit gas valve and a gas delivery pipeline. The main carriage and the trailer carriage in the full trailer train can respectively and automatically complete dumping operation conveniently and safely, and raising angles of the main carriage and the trailer carriage can be adjusted according to repose angles of different goods loaded on the full trailer train, thereby saving heavy labor and increasing working efficiency.
Description
Technical field
The utility model relates to a kind of hydraulic efficiency gear that is installed on the full trailer-train.
Background technology
The train-type vehicle that full trailer-train is made up of automobile or tractor truck and independent trailer.Main car compartment in the existing full trailer-train and the trailer compartment backboard container cars that use when carrying out cargo handing transport more, so need the great amount of manpower work goods in main car compartment and the trailer compartment is carried out unloading operation, thereby caused unloading time oversize, the very low defective of unloading work efficiency; Also have a kind of full trailer-train in addition, its main car compartment and trailer compartment rely on main car hydraulic actuating cylinder and trailer hydraulic actuating cylinder to drive respectively, but main car hydraulic actuating cylinder and trailer hydraulic actuating cylinder can only move simultaneously, can not use respectively, so also very inconvenient unloading the time.Therefore, now be badly in need of a kind of hydraulic efficiency gear that can realize the novel practical of unloading respectively automatically in main car compartment and trailer compartment.
The utility model content
The purpose of this utility model provides a kind of self-unloading hydraulic efficiency gear of full trailer-train, solve the main car compartment of existing full trailer-train and the technical matters that can not unload respectively automatically in the trailer compartment.
For achieving the above object, the utility model adopts following technical scheme: a kind of self-unloading hydraulic efficiency gear of full trailer-train, comprise the main car hydraulic actuating cylinder of the main car of the control that is connected on full trailer-train compartment lifting and the trailer hydraulic actuating cylinder of control trailer compartment lifting, and the hydraulic tubing of controlling and driving master car hydraulic actuating cylinder and the action of trailer hydraulic actuating cylinder, it is characterized in that: described hydraulic tubing is made up of oil piping system and air-channel system two circuits.
Described oil piping system is made up of oil pump, fuel tank, pneumatic three-position four-way valve, Pneumatic two-position three-way valve and delivery line, wherein the inlet of oil pump links to each other with fuel tank by delivery line, and the outlet of oil pump links to each other with first interface of pneumatic three-position four-way valve by delivery line; Second interface of described pneumatic three-position four-way valve directly links to each other with fuel tank by delivery line, and the 3rd interface of pneumatic three-position four-way valve links to each other with first interface of Pneumatic two-position three-way valve by delivery line; Second interface of described Pneumatic two-position three-way valve links to each other with main car hydraulic actuating cylinder by delivery line, and the 3rd interface of Pneumatic two-position three-way valve links to each other with the trailer hydraulic actuating cylinder by delivery line.
Described air-channel system is made up of compressed air source, the three-position four-way valve of P type function, plug-type two position three-way valve, the first spacing air valve, the second spacing air valve and air delivering pipeline, and wherein the air extractor duct of compressed air source links to each other with the three-position four-way valve of P type function and the admission port of plug-type two position three-way valve respectively by air delivering pipeline; First air extractor duct order of the three-position four-way valve of described P type function links to each other with first cylinder of pneumatic three-position four-way valve through the adjustable two position three-way valve of first push rod, the adjustable two position three-way valve of second push rod, second air extractor duct of the three-position four-way valve of P type function directly links to each other with second cylinder of pneumatic three-position four-way valve, and the 3rd air extractor duct of the three-position four-way valve of P type function is connected with atmosphere; First air extractor duct of described plug-type two position three-way valve directly links to each other with the cylinder of Pneumatic two-position three-way valve, and second air extractor duct of plug-type two position three-way valve is connected with atmosphere.
The 3rd interface of the adjustable two position three-way valve of described first push rod, the 3rd interface of the adjustable two position three-way valve of second push rod all are connected with atmosphere.
Described oil pump can be driven by power takeoff, and the inlet end of power takeoff drives with compressed air source through a common two position three-way valve and is connected.
Described compressed air source is the air pump of setting separately or the air receiver on the full trailer-train.
The air extractor duct of described air receiver links to each other with power takeoff with the three-position four-way valve of P type function, plug-type two position three-way valve respectively by two threeway air delivering pipelines.
Described main car hydraulic actuating cylinder and trailer hydraulic actuating cylinder can be telscoping hydaulic cylinder.
Compared with prior art the utlity model has following characteristics and beneficial effect: 1, the utility model relates to a kind of self-unloading hydraulic efficiency gear of full trailer-train, especially a kind ofly be used to make the main car compartment of full trailer-train and the hydraulic efficiency gear of unloading respectively automatically in the trailer compartment, the utility model can be convenient, safe make main car compartment and trailer compartment in the full trailer-train carries out automatic unloading operation respectively, and can according to the angle of repose of cargo-carring different goods adjust the lifting angle in main car compartment and trailer compartment.
2, the utility model by hydraulic pressure and the pneumatic mode that combines control main car compartment and trailer compartment lifting, in stop and descending motion, on the basis of the main car compartment of traditional full trailer-train and trailer carriage body construction, install a cover self-unloading hydraulic efficiency gear additional, can make the work of unloading automatically respectively of main car compartment and trailer compartment.When unloading, utilize this hydraulic efficiency gear that main car compartment and the lifting of trailer compartment are tilted, thereby make goods rely on deadweight to lay down.Self-unloading hydraulic efficiency gear of the present utility model makes the unloading of traditional full trailer-train realize automation, has saved heavy manual labor, has improved work efficiency.
3, the utility model has taken into full account the comfort feature that uses.This hydraulic efficiency gear realizes driving main car compartment or trailer compartment by the commutation of plug-type two position three-way valve control Pneumatic two-position three-way valve; Only use the three-position four-way valve of a P type function control respectively the lifting in main car compartment and trailer compartment, in stop and descending motion, simple, convenient.
4, the utility model has taken into full account the safety of using.In this hydraulic efficiency gear, when main car compartment give rise to the design-calculated maximum angle, when main car hydraulic actuating cylinder presses the roll adjustment position-limited lever of the adjustable two position three-way valve of first push rod, or when the trailer compartment give rise to the design-calculated maximum angle, when the trailer hydraulic actuating cylinder presses the roll adjustment position-limited lever of the adjustable two position three-way valve of second push rod, the lifting gas circuit of whole hydropneumatic system, oil circuit promptly are cut off, actv. has been avoided the compartment to give rise to oil cylinder behind the maximum angle continuing tumbling of vehicle that lifting caused, improved the safety that vehicle uses.
5, the gas path control valve in main car compartment in the utility model and trailer compartment is in parallel, the three-position four-way valve of P type function and the operation mutually noninterfere of plug-type two position three-way valve, so when main car drawbar trailer, the plug-type two position three-way valve of inoperation, trailer not lifting of compartment; Main car gets rid of trailer time spent not, to main car compartment also without any influence.
Description of drawings
The utility model is described in more detail below in conjunction with accompanying drawing.
Fig. 1 is a hydropneumatic fundamental diagram of the present utility model.
Reference numeral: the plug-type two position three-way valve of three-position four-way valve, 10-of 1-master cock, the common two position three-way valve of 2-, 3-power takeoff, 4-oil pump, the pneumatic three-position four-way valve of 5-, 6-Pneumatic two-position three-way valve, 7-fuel tank, 8-compressed air source, 9-P type function, the adjustable two position three-way valve of 11-first push rod, the adjustable two position three-way valve of 12-second push rod, 13-master's car hydraulic actuating cylinder, 14-trailer hydraulic actuating cylinder.
The specific embodiment
Embodiment is referring to Fig. 1, the self-unloading hydraulic efficiency gear of this full trailer-train, comprise the main car hydraulic actuating cylinder 13 of the main car of the control that is connected on full trailer-train compartment lifting and the trailer hydraulic actuating cylinder 14 of control trailer compartment lifting, and the hydraulic tubing of controlling and driving master car hydraulic actuating cylinder 13 and 14 actions of trailer hydraulic actuating cylinder, described main car hydraulic actuating cylinder 13 and trailer hydraulic actuating cylinder 14 are telscoping hydaulic cylinder, and described hydraulic tubing is made up of oil piping system and air-channel system two circuits.
Described oil piping system is made up of oil pump 4, fuel tank 7, pneumatic three-position four-way valve 5, Pneumatic two-position three-way valve 6 and delivery line, wherein oil pump 4 is driven by power takeoff 3, the inlet end of power takeoff 3 drives with compressed air source 8 through a common two position three-way valve 2 and is connected, the inlet of oil pump 4 links to each other with fuel tank 7 by delivery line, and the outlet of oil pump 4 links to each other with first interface of pneumatic three-position four-way valve 5 by delivery line; Second interface of described pneumatic three-position four-way valve 5 directly links to each other with fuel tank 7 by delivery line, and the 3rd interface of pneumatic three-position four-way valve 5 links to each other with first interface of Pneumatic two-position three-way valve 6 by delivery line; Second interface of described Pneumatic two-position three-way valve 6 links to each other with main car hydraulic actuating cylinder 13 by delivery line, and the 3rd interface of Pneumatic two-position three-way valve 6 links to each other with trailer hydraulic actuating cylinder 14 by delivery line.
Described air-channel system is made up of compressed air source 8, the three-position four-way valve 9 of P type function, plug-type two position three-way valve 10, first spacing air valve 11, the second spacing air valve 12 and air delivering pipeline, wherein compressed air source 8 can be the air pump that is provided with separately, it also can be the air receiver on the full trailer-train, present embodiment adopts air receiver, and the air extractor duct of described air receiver links to each other with three-position four-way valve 9, plug-type two position three-way valve 10 and the power takeoff 3 of P type function respectively by two threeway air delivering pipelines.
The air extractor duct of described compressed air source 8 links to each other with the three-position four-way valve 9 of P type function and the admission port of plug-type two position three-way valve 10 respectively by air delivering pipeline; First air extractor duct order of the three-position four-way valve 9 of described P type function links to each other with first cylinder of pneumatic three-position four-way valve 5 through the adjustable two position three-way valve 11 of first push rod, the adjustable two position three-way valve 12 of second push rod, second air extractor duct of the three-position four-way valve 9 of P type function directly links to each other with second cylinder of pneumatic three-position four-way valve 5, and the 3rd air extractor duct of the three-position four-way valve 9 of P type function is connected with atmosphere; First air extractor duct of described plug-type two position three-way valve 10 directly links to each other with the cylinder of Pneumatic two-position three-way valve 6, and second air extractor duct of plug-type two position three-way valve 10 is connected with atmosphere.
The 3rd interface of the adjustable two position three-way valve 11 of described first push rod, the 3rd interface of the adjustable two position three-way valve 12 of second push rod all are connected with atmosphere.
Fig. 1 is the hydropneumatic fundamental diagram according to the self-unloading hydraulic efficiency gear of the utility model preferred embodiment, and wherein each parts all adopt the hydropneumatic form that meets national standard to illustrate; Solid line is represented delivery line, and dotted line is represented air delivering pipeline, and long and two-short dash line is represented composition element frame line.Described oil pump 4 is an one-way pump, is used to provide hydraulic medium, is unidirectional quantitative hydraulic pump in the present embodiment.
In this embodiment, air receiver 8 provides pressurized air to three-position four-way valve 9, plug-type two position three-way valve 10 and the power takeoff 3 of P type function; Power takeoff 3 is communicated with air receiver 8 by a common two position three-way valve 2, so that after dying, the pressurized air in the cylinder of power takeoff 3 drains into atmosphere by the exhausr port of this common two position three-way valve 2, thereby cuts off the power that drives oil pump.
In this embodiment, the adjustable two position three-way valve 12 of the adjustable two position three-way valve 11 of first push rod and second push rod is series connected connection mode, and when wherein any one valve was in running order, whole air-channel system was dissengaged positions.
Describe self-unloading hydraulic efficiency gear and hydropneumatic principle of work thereof according to the utility model preferred embodiment in detail below in conjunction with Fig. 1: power takeoff 3 is power resources of oil pump 4.Pull the roll adjustment position-limited lever of " connection " position 11 when the master cock 1 of common two position three-way valve 2, the air pressure of adjustable two position three-way valve 11 admission ports of first push rod is cut off, first cylinder of pneumatic three-position four-way valve 5 is communicated with atmosphere through the adjustable two position three-way valve 11 of first push rod, the spool of pneumatic three-position four-way valve 5 is got back to " in stop " position, and the compartment just stops lifting.
Stop in the main car compartment: any position in the lifting process, the control handle of the three-position four-way valve 9 of P type function is pulled to " stop " position (i.e. the meta of the three-position four-way valve of this P type function) from " lifting " position (i.e. the position, a left side of the three-position four-way valve of this P type function), then pressurized air drains into atmosphere by the 3rd air extractor duct of the three-position four-way valve 9 of P type function, the spool of pneumatic three-position four-way valve 5 is got back to " in stop " position (i.e. meta of this pneumatic three-position four-way valve), thereby the pressure oil of oil pump 4 outputs can not enter main car hydraulic actuating cylinder 13 but get back to fuel tank 7 through second interface of pneumatic three-position four-way valve 5, the pressure oil that entered main car hydraulic actuating cylinder 13 this moment can not flow back to fuel tank 7, like this, main car compartment stop in just can any position in the lifting process realizing.
The decline in main car compartment: when main car compartment is descended, earlier the master cock 1 of common two position three-way valve 2 is pulled " dying " position, thereby oil pump 4 is shut down.Then, the control handle of the three-position four-way valve 9 of P type function is pulled " decline " position (i.e. the right position of the three-position four-way valve of this P type function), then pressurized air enters second cylinder of pneumatic three-position four-way valve 5 through second air extractor duct of the three-position four-way valve 9 of P type function, the valve core movement that promotes pneumatic three-position four-way valve 5 is to " decline " position (i.e. the right position of this pneumatic three-position four-way valve), thereby the fluid of main car hydraulic actuating cylinder 13 and pneumatic two position three-way valve 6 is back to fuel tank 7 through second interface of pneumatic three-position four-way valve 5, main car hydraulic actuating cylinder 13 no longer produces thrust, and then main car compartment descends under the effect of deadweight.
In this embodiment, by the commutation of plug-type two position three-way valve 10 control Pneumatic two-position three-way valves 6 realize the trailer compartment lifting, in stop, descend.The lifting in trailer compartment, in stop, the lifting in decline and main car compartment, in stop, descend basic identical, specifically describe as follows: the lifting in trailer compartment: at the oil pump in running condition, shift plug-type two position three-way valve 10 onto " trailer " position (i.e. the right position of this plug-type two position three-way valve), then position, the left side oil circuit of Pneumatic two-position three-way valve 6 is connected.Then the control handle of the three-position four-way valve 9 of P type function is pulled to " lifting " position (i.e. the position, a left side of the three-position four-way valve of this P type function) from " stop " position (i.e. meta of the three-position four-way valve of this P type function), then pressurized air is through first air extractor duct of the three-position four-way valve 9 of P type function, adjustable two position three-way valve 11 of first push rod and the adjustable two position three-way valve 12 of second push rod enter first cylinder of pneumatic three-position four-way valve 5, the valve core movement that promotes pneumatic three-position four-way valve 5 is to " lifting " position (i.e. the position, a left side of this pneumatic three-position four-way valve), thereby the pressure oil of oil pump 4 outputs can enter trailer hydraulic actuating cylinder 14(telscoping hydaulic cylinder by pneumatic three-position four-way valve 5 and pneumatic two position three-way valve 6), the thrust that the trailer hydraulic actuating cylinder produces makes the lifting of trailer compartment.
When the trailer compartment gives rise to the design-calculated maximum angle, after trailer hydraulic actuating cylinder 14 presses the adjustable two position three-way valve of second push rod (position, a left side of this valve), enter the cylinder of power takeoff 3 from the pressurized air of air receiver 8 outputs, promote the spline housing of power takeoff 3 and the spline engagement of oil pump 4, oil pump 4 is started working.After the control handle of common two position three-way valve 2 is pulled " dying " position (the right position of this valve), pressurized air in the cylinder of power takeoff 3 drains into atmosphere through the exhausr port of common two position three-way valve 2, power takeoff 3 has just cut off the power of oil pump 4, thereby, can make oil pump 4 in running order or shut down by power takeoff 3.
The lifting in main car compartment: at the oil pump in running condition, move plug-type two position three-way valve 10 to " main car " position (i.e. the position, a left side of this plug-type two position three-way valve), the right position oil circuit of Pneumatic two-position three-way valve 6 is connected.Then the control handle of the three-position four-way valve 9 of P type function is pulled to " lifting " position (i.e. the position, a left side of the three-position four-way valve of this P type function) from " stop " position (i.e. meta of the three-position four-way valve of this P type function), then pressurized air is through first air extractor duct of the three-position four-way valve 9 of P type function, adjustable two position three-way valve 11 of first push rod and the adjustable two position three-way valve 12 of second push rod enter first cylinder of pneumatic three-position four-way valve 5, the valve core movement that promotes pneumatic three-position four-way valve 5 is to " lifting " position (i.e. the position, a left side of this pneumatic three-position four-way valve), thereby the pressure oil of oil pump 4 outputs can enter main car hydraulic actuating cylinder 13(telscoping hydaulic cylinder by pneumatic three-position four-way valve 5 and pneumatic two position three-way valve 6), the thrust that main car hydraulic actuating cylinder 13 produces makes the compartment lifting of main car.
When main car compartment gives rise to the design-calculated maximum angle, main car hydraulic actuating cylinder 13 presses the roll adjustment position-limited lever of the adjustable two position three-way valve 12 of first push rod, the air pressure of the admission port of the adjustable two position three-way valve 12 of second push rod is cut off, first cylinder of pneumatic three-position four-way valve 5 is communicated with atmosphere through the adjustable two position three-way valve 12 of second push rod, the spool of pneumatic three-position four-way valve 5 is got back to " in stop " position, and the compartment just stops lifting.
Stop in the trailer compartment: any position in the lifting process, the control handle of the three-position four-way valve 9 of P type function is pulled to " stop " position (i.e. the three-position four-way valve meta of this P type function) from " lifting " position (i.e. the position, a left side of the three-position four-way valve of this P type function), then pressurized air drains into atmosphere by the 3rd air extractor duct of the three-position four-way valve 9 of P type function, the spool of pneumatic three-position four-way valve 5 is got back to " in stop " position (i.e. meta of this pneumatic three-position four-way valve), thereby the pressure oil of oil pump 4 outputs can not enter trailer hydraulic actuating cylinder 14 but get back to fuel tank 7 through second interface of pneumatic three-position four-way valve 5, the pressure oil that entered trailer hydraulic actuating cylinder 14 this moment can not flow back to fuel tank 7, like this, the trailer compartment just can stop in any position realization in the lifting process.
The decline in trailer compartment: when the trailer compartment is descended, earlier the master cock 1 of common two position three-way valve 2 is pulled " dying " position, thereby oil pump 4 is shut down.Then, the control handle of the three-position four-way valve 9 of P type function is pulled " decline " position (i.e. the right position of the three-position four-way valve of this three P type function), then pressurized air enters second cylinder of pneumatic three-position four-way valve 5 through second air extractor duct of the three-position four-way valve 9 of P type function, the valve core movement that promotes pneumatic three-position four-way valve 5 is to " decline " position (i.e. the right position of this pneumatic three-position four-way valve), thereby the fluid of trailer hydraulic actuating cylinder 14 and pneumatic two position three-way valve 6 is back to fuel tank 7 through second interface of pneumatic three-position four-way valve 5, trailer hydraulic actuating cylinder 14 no longer produces thrust, and then the trailer compartment descends under the effect of deadweight.
The admission port of three-position four-way valve 9 that is used to control the P type function of pneumatic three-position four-way valve 5 is connected with compressed air source, the control stalk of the pneumatic three-position four-way valve 5 of compressed air brake of first air extractor duct output of the three-position four-way valve 9 of P type function makes between pneumatic three-position four-way valve 5 and the Pneumatic two-position three-way valve 6 conducting or ends;
The admission port that is used to control the plug-type two position three-way valve 10 of Pneumatic two-position three-way valve 6 is connected with compressed air source, the control stalk of the compressed air brake Pneumatic two-position three-way valve 6 of first air extractor duct output of plug-type two position three-way valve 10 makes Pneumatic two-position three-way valve 6 with main car hydraulic actuating cylinder 13 and 14 conductings of trailer hydraulic actuating cylinder or end.
Claims (5)
1. the self-unloading hydraulic efficiency gear of a full trailer-train, comprise the main car hydraulic actuating cylinder (13) of the main car of the control that is connected on full trailer-train compartment lifting and the trailer hydraulic actuating cylinder (14) of control trailer compartment lifting, and the hydraulic tubing of controlling and driving master car hydraulic actuating cylinder (13) and trailer hydraulic actuating cylinder (14) action, it is characterized in that: described hydraulic tubing is made up of oil piping system and air-channel system two circuits;
Described oil piping system is made up of oil pump (4), fuel tank (7), pneumatic three-position four-way valve (5), Pneumatic two-position three-way valve (6) and delivery line, wherein the inlet of oil pump (4) links to each other with fuel tank (7) by delivery line, and the outlet of oil pump (4) links to each other by delivery line first interface with pneumatic three-position four-way valve (5); Second interface of described pneumatic three-position four-way valve (5) directly links to each other with fuel tank (7) by delivery line, and the 3rd interface of pneumatic three-position four-way valve (5) links to each other by delivery line first interface with Pneumatic two-position three-way valve (6); Second interface of described Pneumatic two-position three-way valve (6) links to each other with main car hydraulic actuating cylinder (13) by delivery line, and the 3rd interface of Pneumatic two-position three-way valve (6) links to each other with trailer hydraulic actuating cylinder (14) by delivery line; Described air-channel system is made up of compressed air source (8), the three-position four-way valve (9) of P type function, plug-type two position three-way valve (10), the first spacing air valve (11), the second spacing air valve (12) and air delivering pipeline, and wherein the air extractor duct of compressed air source (8) links to each other with the three-position four-way valve (9) of P type function and the admission port of plug-type two position three-way valve (10) respectively by air delivering pipeline; First air extractor duct order of the three-position four-way valve (9) of described P type function links to each other with first cylinder of pneumatic three-position four-way valve (5) through the adjustable two position three-way valve of first push rod (11), the adjustable two position three-way valve of second push rod (12), second air extractor duct of the three-position four-way valve (9) of P type function directly links to each other with second cylinder of pneumatic three-position four-way valve (5), and the 3rd air extractor duct of the three-position four-way valve (9) of P type function is connected with atmosphere; First air extractor duct of described plug-type two position three-way valve (10) directly links to each other with the cylinder of Pneumatic two-position three-way valve (6), and second air extractor duct of plug-type two position three-way valve (10) is connected with atmosphere; The 3rd interface of the adjustable two position three-way valve of described first push rod (11), the 3rd interface of the adjustable two position three-way valve of second push rod (12) all are connected with atmosphere.
2. the self-unloading hydraulic efficiency gear of full trailer-train according to claim 1, it is characterized in that: described oil pump (4) is driven by power takeoff (3), and the inlet end of power takeoff (3) drives with compressed air source (8) through a common two position three-way valve (2) and is connected.
3. the self-unloading hydraulic efficiency gear of full trailer-train according to claim 1 and 2 is characterized in that: described compressed air source (8) is the air pump that is provided with separately or the air receiver on the full trailer-train.
4. the self-unloading hydraulic efficiency gear of full trailer-train according to claim 3 is characterized in that: the air extractor duct of described air receiver links to each other with the three-position four-way valve (9) of P type function, plug-type two position three-way valve (10) and power takeoff (3) respectively by two threeway air delivering pipelines.
5. the self-unloading hydraulic efficiency gear of full trailer-train according to claim 3, it is characterized in that: described main car hydraulic actuating cylinder (13) and trailer hydraulic actuating cylinder (14) are telscoping hydaulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201131178U CN201597495U (en) | 2010-02-12 | 2010-02-12 | Hydraulic device for dumping of full trailer train |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201131178U CN201597495U (en) | 2010-02-12 | 2010-02-12 | Hydraulic device for dumping of full trailer train |
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| CN201597495U true CN201597495U (en) | 2010-10-06 |
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| CN2010201131178U Expired - Fee Related CN201597495U (en) | 2010-02-12 | 2010-02-12 | Hydraulic device for dumping of full trailer train |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102322455A (en) * | 2011-10-11 | 2012-01-18 | 江苏卡威专用汽车制造有限公司 | Oil hydraulic circuit by sequence valve and spacing Air Valve Control |
| CN102619816A (en) * | 2012-04-11 | 2012-08-01 | 涂雪龙 | Hydraulic multipath gas-electric combination system |
| CN106640797A (en) * | 2016-12-21 | 2017-05-10 | 中车长江车辆有限公司 | Compartment tipping pneumatic-hydraulic control system of side tipping wagon |
| CN108773309A (en) * | 2018-07-10 | 2018-11-09 | 徐州徐工矿山机械有限公司 | A kind of energy saver of lifting system of mining dumper |
| CN111911765A (en) * | 2020-09-10 | 2020-11-10 | 西安培华学院 | Projection formula display device that law teaching was used |
| CN112455309A (en) * | 2020-12-08 | 2021-03-09 | 安徽江淮汽车集团股份有限公司 | Lock hook misoperation prevention control circuit and device for dump truck and dump truck |
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2010
- 2010-02-12 CN CN2010201131178U patent/CN201597495U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102322455A (en) * | 2011-10-11 | 2012-01-18 | 江苏卡威专用汽车制造有限公司 | Oil hydraulic circuit by sequence valve and spacing Air Valve Control |
| CN102322455B (en) * | 2011-10-11 | 2014-06-11 | 江苏卡威专用汽车制造有限公司 | Hydraulic circuit controlled by sequence valve and limit air valve |
| CN102619816A (en) * | 2012-04-11 | 2012-08-01 | 涂雪龙 | Hydraulic multipath gas-electric combination system |
| CN106640797A (en) * | 2016-12-21 | 2017-05-10 | 中车长江车辆有限公司 | Compartment tipping pneumatic-hydraulic control system of side tipping wagon |
| CN108773309A (en) * | 2018-07-10 | 2018-11-09 | 徐州徐工矿山机械有限公司 | A kind of energy saver of lifting system of mining dumper |
| CN111911765A (en) * | 2020-09-10 | 2020-11-10 | 西安培华学院 | Projection formula display device that law teaching was used |
| CN111911765B (en) * | 2020-09-10 | 2022-02-08 | 西安培华学院 | Projection formula display device that law teaching was used |
| CN112455309A (en) * | 2020-12-08 | 2021-03-09 | 安徽江淮汽车集团股份有限公司 | Lock hook misoperation prevention control circuit and device for dump truck and dump truck |
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