CN203516239U - Hydraulic circuit for controlling spiral lifting cylinder and track tensioning cylinders of paver - Google Patents

Hydraulic circuit for controlling spiral lifting cylinder and track tensioning cylinders of paver Download PDF

Info

Publication number
CN203516239U
CN203516239U CN201320594570.9U CN201320594570U CN203516239U CN 203516239 U CN203516239 U CN 203516239U CN 201320594570 U CN201320594570 U CN 201320594570U CN 203516239 U CN203516239 U CN 203516239U
Authority
CN
China
Prior art keywords
pipeline
valve
solenoid valve
cylinder
rodless cavity
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
Application number
CN201320594570.9U
Other languages
Chinese (zh)
Inventor
綦开隆
孙雪妮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shaanxi Zhongdaoding Technology Co., Ltd.
Original Assignee
Shaanxi Jointank Machinery Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shaanxi Jointank Machinery Group Co Ltd filed Critical Shaanxi Jointank Machinery Group Co Ltd
Priority to CN201320594570.9U priority Critical patent/CN203516239U/en
Application granted granted Critical
Publication of CN203516239U publication Critical patent/CN203516239U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a hydraulic circuit for controlling a spiral lifting cylinder and track tensioning cylinders of a paver. The hydraulic circuit comprises an automatic tensioning group valve, a first electromagnetic valve, a second electromagnetic valve and an auxiliary pump, wherein the auxiliary pump is connected an oil inlet P1 of the second electromagnetic valve, a working oil port A1 of the second electromagnetic valve is connected with a first pipeline, the first pipeline is connected with a second pipeline and a third pipeline, the third pipe is connected with an oil inlet P2 of the first electromagnetic valve, an oil outlet A2 of the first electromagnetic valve is connected with a rodless cavity of the spiral lifting cylinder through the fourth pipeline, a rod cavity of the spiral lifting cylinder is connected with a working oil port B1 of the second electromagnetic valve through a fifth pipeline, the second pipeline is connected with an oil inlet P3 of the automatic tensioning group valve, a working oil port A3 of the automatic tensioning group valve is connected with a rodless cavity of a left track tensioning cylinder, and a working oil port B3 of the automatic tensioning group valve is connected with a rodless cavity of a right track tensioning cylinder. The hydraulic circuit controls the spiral lifting cylinder and the automatic tensioning group valve simultaneously through the first electromagnetic valve, and the multi-control purpose is achieved.

Description

Paver screw lift cylinder and track tensioning oil cylinder control oil hydraulic circuit
Technical field
The utility model relates to a kind of oil hydraulic circuit, particularly relates to a kind of paver screw lift cylinder and track tensioning oil cylinder control oil hydraulic circuit.
Background technique
Paver is a kind of construction equipment that is mainly used in basic unit and the various material paving operations of surface layer on highway.The hydraulic system of paver is comparatively complicated, and hydraulic pipe line is more, requires hydraulic pipe line few as much as possible, and hydraulic parts installation is compact, multiple functional, meets usage requirement.So hydraulic control circuit household function is complete and simple in structure.And the general volume of all-hydraulic spreading machine electromagnetic valve controlling system is in the market larger, pipeline is complicated, can not meet the demands.
Model utility content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, and a kind of paver screw lift cylinder and track tensioning oil cylinder control oil hydraulic circuit are provided.This oil hydraulic circuit is controlled screw lifting oil cylinder and automatic tension valve group by the first solenoid valve simultaneously, has realized one-level multi-control, and Paver Hydraulic pilot line is reduced, cost-saving, maintains easily, and is convenient to control Real-Time Monitoring.
For achieving the above object, the technical solution adopted in the utility model is: paver screw lift cylinder and track tensioning oil cylinder control oil hydraulic circuit, is characterized in that: comprise automatic tension valve group, the first solenoid valve, the second solenoid valve and service pump; Described service pump is connected with the oil inlet P 1 of the second solenoid valve, the actuator port A1 of described the second solenoid valve is connected with the first pipeline, described the first pipeline is connected with the 3rd pipeline with the second pipeline, the oil inlet P 2 of described the 3rd pipeline and the first solenoid valve is connected, the oil outlet A2 of described the first solenoid valve is connected with the rodless cavity of screw lifting oil cylinder by the 4th pipeline, and the rod chamber of described screw lifting oil cylinder is connected with the actuator port B1 of the second solenoid valve by the 5th pipeline; Described the second pipeline is connected with the oil inlet P 3 of automatic tension valve group, and the actuator port A3 of described automatic tension valve group is connected with the rodless cavity of left track tensioning oil cylinder, and the actuator port B3 of described automatic tension valve group is connected with the rodless cavity of right-hand track chiain turgor cylinder.
Above-mentioned paver screw lift cylinder and track tensioning oil cylinder control oil hydraulic circuit, it is characterized in that: described automatic tension valve group comprises the first relief valve, the second relief valve, the 3rd relief valve, the 6th pipeline, the 7th pipeline, the 8th pipeline, the 9th pipeline and the tenth pipeline, described the 6th pipeline is connected with the 9th pipeline with the second pipeline, the two ends of described the 8th pipeline are all connected on the tenth pipeline, one end of described the tenth pipeline is connected with the rodless cavity of left track tensioning oil cylinder, the other end of described the tenth pipeline is connected with the rodless cavity of right-hand track chiain turgor cylinder, described the tenth pipeline is connected with fuel tank by the 7th pipeline, described the first relief valve and the 3rd relief valve are all connected on the 8th pipeline, described the second relief valve is connected between the 6th pipeline and the 7th pipeline, on described the 9th pipeline and between one end of the 9th pipeline and the 6th pipeline and the tie point of the 9th pipeline, be provided with the first one-way valve, on described the 9th pipeline and between the other end of the 9th pipeline and the 6th pipeline and the tie point of the 9th pipeline, be provided with the second one-way valve, on described the tenth pipeline, be provided with the first stop valve and the second stop valve, the tie point of described the 7th pipeline and the tenth pipeline is between the first stop valve and the second stop valve.
The utility model compared with prior art has the following advantages:
1, of the present utility model simple in structure, rationally novel in design, be easy to install.
2, the utility model is controlled screw lifting oil cylinder and automatic tension valve group by the first solenoid valve simultaneously, realized one-level multi-control, the number of times that screw lifting is used in the actual paving process of paver is less, it is more that automatic tension is used, adopt this oil hydraulic circuit that Paver Hydraulic pilot line is reduced, cost-saving, maintain easily, be convenient to control Real-Time Monitoring.The efficiency that paves is high, saves cost, easy to operate, is convenient to promote the use of.
3, the utility model is by the first relief valve and the 3rd relief valve are installed in automatic tension valve group 1, at crawler belt, encounters releasing pressure automatically while exceeding predetermined induced pressure, and left track tensioning oil cylinder and right-hand track chiain turgor cylinder are protected.
4, of the present utility model to realize cost low, and using effect is good, is convenient to promote the use of.
In sum, the utility model is simple in structure, and rationally novel in design, functional reliability is high, long service life, and using effect is good, is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model automatic tension valve group.
Description of reference numerals:
1-automatic tension valve group; 1-1-the first relief valve; 1-2-the second relief valve;
1-3-three relief valve; 1-4-six pipeline; 1-5-seven pipeline;
1-6-eight pipeline; 1-7-nine pipeline; 1-8-ten pipeline;
1-9-the first one-way valve; 1-10-the second one-way valve; 1-11-the first stop valve;
1-12-the second stop valve; The 2-the first solenoid valve; 3-screw lifting oil cylinder;
The 4-the first pipeline; The 5-the second pipeline; The 6-the three pipeline;
The 7-the four pipeline; The 8-the five pipeline; The 9-the second solenoid valve;
10-fuel tank; 11-left track tensioning oil cylinder;
12-right-hand track chiain turgor cylinder; 13-service pump.
Embodiment
A kind of paver screw lift cylinder as shown in Figure 1 and track tensioning oil cylinder control oil hydraulic circuit, comprise automatic tension valve group 1, the first solenoid valve 2, the second solenoid valve 9 and service pump 13; Described service pump 13 is connected with the oil inlet P 1 of the second solenoid valve 9, the actuator port A1 of described the second solenoid valve 9 is connected with the first pipeline 4, described the first pipeline 4 is connected with the 3rd pipeline 6 with the second pipeline 5, the oil inlet P 2 of described the 3rd pipeline 6 and the first solenoid valve 2 is connected, the oil outlet A2 of described the first solenoid valve 2 is connected with the rodless cavity of screw lifting oil cylinder 3 by the 4th pipeline 7, and the rod chamber of described screw lifting oil cylinder 3 is connected with the actuator port B1 of the second solenoid valve 9 by the 5th pipeline 8; Described the second pipeline 5 is connected with the oil inlet P 3 of automatic tension valve group 1, the actuator port A3 of described automatic tension valve group 1 is connected with the rodless cavity of left track tensioning oil cylinder 11, and the actuator port B3 of described automatic tension valve group 1 is connected with the rodless cavity of right-hand track chiain turgor cylinder 12.In the present embodiment, described the first solenoid valve 2 is two-position two-way solenoid valve.
As shown in Figure 2, described automatic tension valve group 1 comprises the first relief valve 1-1, the second relief valve 1-2, the 3rd relief valve 1-3, the 6th pipeline 1-4, the 7th pipeline 1-5, the 8th pipeline 1-6, the 9th pipeline 1-7 and the tenth pipeline 1-8, described the 6th pipeline 1-4 is connected with the 9th pipeline 1-7 with the second pipeline 5, the two ends of described the 8th pipeline 1-6 are all connected on the tenth pipeline 1-8, one end of described the tenth pipeline 1-8 is connected with the rodless cavity of left track tensioning oil cylinder 11, the other end of described the tenth pipeline 1-8 is connected with the rodless cavity of right-hand track chiain turgor cylinder 12, described the tenth pipeline 1-8 is connected with fuel tank 10 by the 7th pipeline 1-5, described the first relief valve 1-1 and the 3rd relief valve 1-3 are all connected on the 8th pipeline 1-6, described the second relief valve 1-2 is connected between the 6th pipeline 1-4 and the 7th pipeline 1-5, described the 9th pipeline 1-7 is upper and be provided with the first one-way valve 1-9 between one end of the 9th pipeline 1-7 and the 6th pipeline 1-4 and the tie point of the 9th pipeline 1-7, described the 9th pipeline 1-7 is upper and be provided with the second one-way valve 1-10 between the other end of the 9th pipeline 1-7 and the 6th pipeline 1-4 and the tie point of the 9th pipeline 1-7, on described the tenth pipeline 1-8, be provided with the first stop valve 1-11 and the second stop valve 1-12, the tie point of described the 7th pipeline 1-5 and the tenth pipeline 1-8 is between the first stop valve 1-11 and the second stop valve 1-12.
In the present embodiment, the high pressure oil of service pump 13 enters into the second solenoid valve 9, from the actuator port A1 of the second solenoid valve 9, flow into the first pipeline 4 again, if the first solenoid valve 2 must not be electric, fluid flow in the second pipeline 5 from the first pipeline 4, enter into again automatic tension valve group 1, control track tensioning, in automatic tension valve group 1, pressure tap is installed, can measure the pressure of the fluid that enters into automatic tension valve group 1, in automatic tension valve group 1, the first relief valve 1-1 and the 3rd relief valve 1-3 are installed simultaneously, at crawler belt, encounter releasing pressure automatically while exceeding predetermined induced pressure, left track tensioning oil cylinder 11 and right-hand track chiain turgor cylinder 12 are protected.The fluid that enters into automatic tension valve group 1 is divided into two-way in automatic tension valve group 1, and a road flow into the rodless cavity of left track tensioning oil cylinder 11 from the actuator port A3 of automatic tension valve group 1, controls left track tensioning; Another road, flow in right-hand track chiain turgor cylinder 12 through pipeline seven 12-1 from the actuator port B3 of automatic tension valve group 1, controls right-hand track chiain tensioner.If when the high pressure oil of service pump 13 enters into the second solenoid valve 9, from the actuator port A1 of the second solenoid valve 9, flow into the first pipeline 4 again, if the first solenoid valve 2 obtains electric, fluid flow in the 3rd pipeline 6 from the first pipeline 4, enter into again the oil inlet P 2 of the first solenoid valve 2, from the actuator port A2 of the first solenoid valve 2, enter the 4th pipeline 7 again, arrive again the rodless cavity of screw lifting oil cylinder 3, promote screw lifting oil cylinder 3 piston rod movements, spiral case declines, because spiral case is very heavy, general spiral case declines by deadweight in this case.If the first solenoid valve 2 obtains electric, the high pressure oil of service pump 13 enters into the second solenoid valve 9, from the actuator port B1 of the second solenoid valve 9, flow into the 5th pipeline 8 again, at the rod chamber that enters into screw lifting oil cylinder 3, promote screw lifting oil cylinder 3 piston rod movements, spiral case rises, the fluid of screw lifting oil cylinder 3 rodless cavities flows back in the second solenoid valve 9 through the 4th pipeline 7, the first solenoid valve 2, the 3rd pipeline 6 and the first pipeline 4, then flows back to fuel tank 10 from the oil return inlet T 1 of the second solenoid valve 9.
In the present embodiment, by the first solenoid valve 2, control screw lifting oil cylinder 3 and automatic tension valve group 1 simultaneously, realized one-level multi-control, the number of times that screw lifting is used in the actual paving process of paver is less, it is more that automatic tension is used, and after employing aforesaid way, Paver Hydraulic pilot line reduced, cost-saving, maintain easily, be convenient to control Real-Time Monitoring.The efficiency that paves is high, saves cost, easy to operate, is convenient to promote the use of.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every any simple modification, change and equivalent structure transformation of above embodiment being done according to the utility model technical spirit, all still belongs in the protection domain of technical solutions of the utility model.

Claims (2)

1. paver screw lift cylinder and track tensioning oil cylinder control oil hydraulic circuit, is characterized in that: comprise automatic tension valve group (1), the first solenoid valve (2), the second solenoid valve (9) and service pump (13), described service pump (13) is connected with the oil inlet P 1 of the second solenoid valve (9), the actuator port A1 of described the second solenoid valve (9) is connected with the first pipeline (4), described the first pipeline (4) is connected with the 3rd pipeline (6) with the second pipeline (5), described the 3rd pipeline (6) is connected with the oil inlet P 2 of the first solenoid valve (2), the oil outlet A2 of described the first solenoid valve (2) is connected with the rodless cavity of screw lifting oil cylinder (3) by the 4th pipeline (7), the rod chamber of described screw lifting oil cylinder (3) is connected with the actuator port B1 of the second solenoid valve (9) by the 5th pipeline (8), described the second pipeline (5) is connected with the oil inlet P 3 of automatic tension valve group (1), the actuator port A3 of described automatic tension valve group (1) is connected with the rodless cavity of left track tensioning oil cylinder (11), and the actuator port B3 of described automatic tension valve group (1) is connected with the rodless cavity of right-hand track chiain turgor cylinder (12).
2. paver screw lift cylinder according to claim 1 and track tensioning oil cylinder control oil hydraulic circuit, it is characterized in that: described automatic tension valve group (1) comprises the first relief valve (1-1), the second relief valve (1-2), the 3rd relief valve (1-3), the 6th pipeline (1-4), the 7th pipeline (1-5), the 8th pipeline (1-6), the 9th pipeline (1-7) and the tenth pipeline (1-8), described the 6th pipeline (1-4) is connected with the 9th pipeline (1-7) with the second pipeline (5), the two ends of described the 8th pipeline (1-6) are all connected on the tenth pipeline (1-8), one end of described the tenth pipeline (1-8) is connected with the rodless cavity of left track tensioning oil cylinder (11), the other end of described the tenth pipeline (1-8) is connected with the rodless cavity of right-hand track chiain turgor cylinder (12), described the tenth pipeline (1-8) is connected with fuel tank (10) by the 7th pipeline (1-5), described the first relief valve (1-1) and the 3rd relief valve (1-3) are all connected on the 8th pipeline (1-6), described the second relief valve (1-2) is connected between the 6th pipeline (1-4) and the 7th pipeline (1-5), described the 9th pipeline (1-7) is upper and be positioned between one end of the 9th pipeline (1-7) and the 6th pipeline (1-4) and the tie point of the 9th pipeline (1-7) and be provided with the first one-way valve (1-9), described the 9th pipeline (1-7) is upper and be positioned between the other end of the 9th pipeline (1-7) and the 6th pipeline (1-4) and the tie point of the 9th pipeline (1-7) and be provided with the second one-way valve (1-10), on described the tenth pipeline (1-8), be provided with the first stop valve (1-11) and the second stop valve (1-12), the tie point of described the 7th pipeline (1-5) and the tenth pipeline (1-8) is positioned between the first stop valve (1-11) and the second stop valve (1-12).
CN201320594570.9U 2013-09-25 2013-09-25 Hydraulic circuit for controlling spiral lifting cylinder and track tensioning cylinders of paver Active CN203516239U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320594570.9U CN203516239U (en) 2013-09-25 2013-09-25 Hydraulic circuit for controlling spiral lifting cylinder and track tensioning cylinders of paver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320594570.9U CN203516239U (en) 2013-09-25 2013-09-25 Hydraulic circuit for controlling spiral lifting cylinder and track tensioning cylinders of paver

Publications (1)

Publication Number Publication Date
CN203516239U true CN203516239U (en) 2014-04-02

Family

ID=50375175

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320594570.9U Active CN203516239U (en) 2013-09-25 2013-09-25 Hydraulic circuit for controlling spiral lifting cylinder and track tensioning cylinders of paver

Country Status (1)

Country Link
CN (1) CN203516239U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104454691A (en) * 2013-09-25 2015-03-25 陕西中大机械集团有限责任公司 Hydraulic circuit used for controlling spiral lifting oil cylinder and track tensioning oil cylinders of paving machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104454691A (en) * 2013-09-25 2015-03-25 陕西中大机械集团有限责任公司 Hydraulic circuit used for controlling spiral lifting oil cylinder and track tensioning oil cylinders of paving machine
CN104454691B (en) * 2013-09-25 2018-07-06 陕西中大机械集团有限责任公司 Paver screw lift cylinder and track tensioning oil cylinder control hydraulic circuit

Similar Documents

Publication Publication Date Title
CN202673874U (en) Constant-pressure variable control system of load sensitive hydraulic pump
CN102562686A (en) Hydraulic system for double-acting supercharger
CN109235534A (en) A kind of hydraulic crawler excavator multipath hydraulic system
CN207297483U (en) A kind of puncher hydraulic control system
CN201553113U (en) Hydraulic system for crawler traction engines
CN103089729B (en) Quantitative system load-sensitive multiple directional control valve
CN204591872U (en) One manufactures oil cylinder performance detecting platform again
CN203516239U (en) Hydraulic circuit for controlling spiral lifting cylinder and track tensioning cylinders of paver
CN201273312Y (en) Special valve block for jib pump vehicle pumping integration
CN203516266U (en) Paver door hook oil cylinder, width reducing oil cylinder and spiral lifting oil cylinder control valve block
CN203272292U (en) Hydraulic system of press
CN201513403U (en) Multistage cylinder integrated control hydraulic valve group
CN203516254U (en) Hydraulic control valve block used for leveling of paver and lifting of large arm
CN202883548U (en) Grate cooler buffering device
CN202040138U (en) Multichannel reversing valve
CN104454691A (en) Hydraulic circuit used for controlling spiral lifting oil cylinder and track tensioning oil cylinders of paving machine
CN203214469U (en) Single-power hydraulic source constant flow pump pressure compensating device
CN203161701U (en) Damped speed controllable hydraulic valve bank
CN203174660U (en) Load-sensitive control system of loading machine
CN202040139U (en) Multichannel reversing valve
CN202100551U (en) Multi-way reversing valve
CN203570751U (en) Middle-position unloading damping circuit of large-flow electro-hydraulic directional control valve
CN203476864U (en) Stabilized double-proportion hydraulic control loop
CN204628137U (en) Novel vertical mill pressurized hydraulic system
CN209243808U (en) A kind of hydraulic crawler excavator multipath hydraulic system

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20190514

Address after: 710119 West Avenue 109, New Industrial Park, Xi'an High-tech Zone, Shaanxi Province

Patentee after: Shaanxi Zhongdaoding Technology Co., Ltd.

Address before: 710119 West Avenue 109, New Industrial Park, Xi'an High-tech Zone, Shaanxi Province

Patentee before: Shaanxi Jointank Machinery Group Co., Ltd.

TR01 Transfer of patent right
PP01 Preservation of patent right

Effective date of registration: 20210830

Granted publication date: 20140402

PP01 Preservation of patent right