CN211370859U - Hydraulic system of full-hydraulic steel coil stepping transport vehicle - Google Patents
Hydraulic system of full-hydraulic steel coil stepping transport vehicle Download PDFInfo
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- CN211370859U CN211370859U CN201921902814.9U CN201921902814U CN211370859U CN 211370859 U CN211370859 U CN 211370859U CN 201921902814 U CN201921902814 U CN 201921902814U CN 211370859 U CN211370859 U CN 211370859U
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Abstract
The utility model discloses a hydraulic system of full-hydraulic coil of strip step-by-step transport vechicle, it includes hydraulic tank, the controllable oil feeding system of flow, hydraulic oil cooling filtration system and the coil of strip bearing diagonal hydraulic system and the step-by-step hydraulic system of complete machine that link to each other with hydraulic tank and the controllable oil feeding system of flow through the pipeline, hydraulic oil cooling filtration system includes radiator, vice hydraulic pump and smart filter, the feed liquor pipe and the hydraulic tank of vice hydraulic pump are connected, and the drain pipe is connected with hydraulic tank through smart filter and radiator in proper order. The utility model discloses utilize controllable oil feeding system of flow to provide hydraulic oil for coil of strip bearing diagonal hydraulic system and the step-by-step hydraulic system of complete machine, utilize hydraulic oil cooling filtration system to filter and cool down the hydraulic oil in the hydraulic oil case simultaneously, make hydraulic system can adapt to abominable operational environment to improve the operational reliability of transport vechicle greatly, reduced equipment failure rate, guaranteed that production goes on smoothly.
Description
Technical Field
The utility model relates to a hydraulic system for full-hydraulic coil of strip marching transport vechicle belongs to conveyer technical field.
Background
With the rapid development of modern industry in China, the production process has the characteristics of rapid pace, complex process, high risk and the like, so the requirements on the transportation quantity, the transmission time, the safety and the like of raw materials, finished products and semi-finished products are higher and higher. The full-hydraulic steel coil lifting high-speed transport vehicle is common transport equipment for iron and steel enterprises, the forward and backward movement of the full-hydraulic steel coil lifting high-speed transport vehicle is controlled by a stepping oil cylinder, and the lifting of the transported steel coil is controlled by a steel coil inclined support oil cylinder. Because the hydraulic system of the traditional full-hydraulic steel coil lifting high-speed transport vehicle is unreasonable in design, hydraulic oil pollution and overtemperature phenomena are easy to occur when the vehicle runs under severe working conditions, the fault rate of the transport vehicle is high, the operation efficiency is low, and the large-scale popularization and use of the full-hydraulic steel coil stepping transport vehicle are seriously restricted.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hydraulic system of step-by-step transport vechicle of full-hydraulic coil of strip to the drawback of prior art to reduce the fault rate of step-by-step transport vechicle of full-hydraulic coil of strip, guarantee to produce and go on smoothly.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a hydraulic system of step-by-step transport vechicle of full-hydraulic coil of strip, includes among hydraulic tank, the controllable oil feeding system of flow, hydraulic oil cooling filtration system and the coil of strip bearing diagonal hydraulic system and the step-by-step hydraulic system of complete machine that link to each other with hydraulic tank and the controllable oil feeding system of flow through the pipeline in the constitution, hydraulic oil cooling filtration system includes radiator, vice hydraulic pump and smart filter, the feed liquor pipe of vice hydraulic pump is connected with hydraulic tank, and the drain pipe is connected with hydraulic tank through smart filter and radiator in proper order.
The hydraulic system of the full-hydraulic steel coil stepping transport vehicle comprises a main hydraulic pump, a flow control multi-way reversing valve, a shuttle valve and a cartridge valve, wherein an oil inlet pipe of the main hydraulic pump is connected with a hydraulic oil tank, an oil outlet pipe of the main hydraulic pump is connected with an oil inlet of the cartridge valve, an oil outlet of the cartridge valve is connected with a steel coil inclined support hydraulic system and a whole machine stepping hydraulic system, the shuttle valve is connected between a first control oil port and an oil outlet of the cartridge valve, a public oil port of the flow control multi-way reversing valve is connected with an oil return pipe of the hydraulic oil tank, and two conversion oil ports are respectively connected with a control oil port of the shuttle valve and a second control oil port of.
Above-mentioned hydraulic system of step-by-step transport vechicle of full-hydraulic coil of strip, the step-by-step hydraulic system of complete machine includes first backpressure valve and step-by-step control multiple unit valve, the P mouth of step-by-step control multiple unit valve connects the controllable oil feeding system of flow, and the T mouth connects hydraulic tank's back oil pipe through first backpressure valve, and two work mouths connect the step-by-step hydro-cylinder of full-hydraulic coil of strip step-by-step transport vechicle respectively have the pole chamber and do not have.
Above-mentioned hydraulic system of full-hydraulic coil of strip stepping transport vechicle, coil of strip bearing diagonal hydraulic system includes second backpressure valve and the multichannel switching-over valve of coil of strip bearing diagonal control, the P mouth of the multichannel switching-over valve of coil of strip bearing diagonal control connects the controllable oil feeding system of flow, and the T mouth connects the oil return pipe of hydraulic tank through the second backpressure valve, and two workports connect the coil of strip bearing diagonal hydro-cylinder of full-hydraulic coil of strip stepping transport vechicle respectively have the pole chamber and do not have the pole chamber.
The hydraulic system of the full-hydraulic steel coil stepping transport vehicle further comprises a hydraulic control one-way valve opening control multi-way valve and three hydraulic control one-way valves, the first hydraulic control one-way valve and the second hydraulic control one-way valve are respectively connected to two working oil ports of the stepping control multi-way valve, the third hydraulic control one-way valve is arranged on an oil pipe connected with a rodless cavity of the steel coil inclined support oil cylinder, a P port of the hydraulic control one-way valve opening control multi-way valve is connected with a flow controllable oil supply system, a T port of the hydraulic oil tank is connected with an oil return pipe of the hydraulic oil tank, the first working oil port is connected with control oil ports of the first hydraulic control one-way valve and the second hydraulic control one-way valve.
In the hydraulic system of the full-hydraulic steel coil stepping transport vehicle, the overload buffer valve is arranged on the oil pipe connected with the rod cavity and the rodless cavity of the stepping oil cylinder of the full-hydraulic steel coil stepping transport vehicle.
The hydraulic system of the full-hydraulic steel coil stepping transport vehicle is characterized in that normally closed ball valves are arranged between oil pipes connected with a rod cavity and a rodless cavity of a stepping oil cylinder of the full-hydraulic steel coil stepping transport vehicle and between oil pipes connected with a rod cavity and a rodless cavity of a steel coil inclined support oil cylinder, and a normally open ball valve is arranged on an oil inlet pipe of a main hydraulic pump.
According to the hydraulic system of the full-hydraulic steel coil stepping transport vehicle, the oil return pipe of the hydraulic oil tank is provided with the oil return filter.
According to the hydraulic system of the full-hydraulic steel coil stepping transport vehicle, the oil outlet pipe of the main hydraulic pump is provided with the high-pressure filter.
The utility model discloses utilize controllable oil feeding system of flow to provide hydraulic oil for coil of strip bearing diagonal hydraulic system and the step-by-step hydraulic system of complete machine, utilize hydraulic oil cooling filtration system to filter and cool down the hydraulic oil in the hydraulic oil case simultaneously, make hydraulic system can adapt to abominable operational environment to improve the operational reliability of transport vechicle greatly, reduced equipment failure rate, guaranteed that production goes on smoothly.
Furthermore, the utility model discloses still have simple structure, low cost, control advantage such as simple and convenient, energy-efficient, mobility are good, can satisfy the requirement of coil of strip transport vechicle special operation operating mode.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic diagram of the present invention.
The reference numbers in the figures are as follows: 1. a heat sink; 2. an auxiliary hydraulic pump; 3. a fine filter; 4-1, a first back pressure valve; 4-2, a second backpressure valve; 5. the steel coil inclined support controls the multi-way valve; 6-1, a first hydraulic control one-way valve; 6-2, a second hydraulic control one-way valve; 6-3, a third hydraulic control one-way valve; 7. the steel coil is obliquely supported by the oil cylinder; 8. a stepping oil cylinder; 9-1, a first normally closed ball valve; 9-2, a second normally closed ball valve; 10. an overload relief valve; 11. step-by-step control of the multi-way valve; 12. the hydraulic control one-way valve is opened to control the multi-way valve; 13. a shuttle valve; 14. a flow control multi-way directional valve; 15. a cartridge valve; 16. a high pressure filter; 17. a main hydraulic pump; 18. an oil return filter; 19. a normally open ball valve; 20. and a hydraulic oil tank.
Detailed Description
The utility model discloses the defect that hydraulic system to the step-by-step transport vechicle of traditional full-hydraulic coil of strip exists provides a hydraulic system that is used for full-hydraulic coil of strip to promote high-speed transport vechicle, and the cost is not only reduced has improved the operational reliability and the work efficiency of the step-by-step transport vechicle of coil of strip, has promoted the mobility of the step-by-step transport vechicle of coil of strip moreover simultaneously.
The utility model discloses mainly include hydraulic tank 20, the controllable oil feeding system of flow, coil of strip bearing diagonal hydraulic system, the step-by-step hydraulic system of complete machine and hydraulic oil cooling filtration system. The steel coil inclined support hydraulic system and the whole machine stepping hydraulic system are connected with the flow controllable oil supply system to form a steel coil inclined support and whole machine stepping control loop; the hydraulic oil cooling and filtering system is used for cooling and filtering hydraulic oil.
Referring to fig. 1, the steel coil inclined support hydraulic system comprises a steel coil inclined support oil cylinder 7, a third hydraulic control one-way valve 6-3, a second back pressure valve 4-2, a hydraulic control one-way valve opening control multi-way reversing valve 12 and a steel coil inclined support control multi-way reversing valve 5, wherein the second back pressure valve 4-2 is arranged between a hydraulic oil tank 20 and the steel coil inclined support control multi-way valve 5 to form a steel coil inclined support back pressure loop; the third hydraulic control one-way valve 6-3 is arranged between the inclined support oil cylinder 7 and the steel coil inclined support control multi-way valve 5 to form a one-way hydraulic loop; the steel coil inclined support control multi-way reversing valve 5 is arranged between the flow-controllable oil supply system and the steel coil lifting hydraulic oil cylinder 7 to form a steel coil inclined support control loop; the pilot-controlled check valve opening control multi-way reversing valve 12 is arranged between the flow controllable oil supply system and the third pilot-controlled check valve 6-3 to form a pilot-controlled check valve opening control loop.
The whole machine stepping hydraulic system comprises a stepping control multi-way valve 11, a first hydraulic control one-way valve 6-1, a second hydraulic control one-way valve 6-2, a stepping oil cylinder 8, a first back pressure valve 4-1, an overload buffer valve 10 and a hydraulic control one-way valve opening control multi-way reversing valve 12, wherein the overload buffer valve 10 is arranged between the stepping control multi-way valve 11 and the stepping oil cylinder 8 to prevent hydraulic faults caused by overload; the step control multi-way reversing valve 11 is arranged between the flow controllable oil supply system and the step oil cylinder 8 to form a whole machine step control loop; the first hydraulic control one-way valve 6-1 and the second hydraulic control one-way valve 6-2 are arranged between the stepping oil cylinder 8 and the steel coil stepping control multi-way valve 11 to form a one-way hydraulic loop; the first back pressure valve 4-1 is arranged between the hydraulic oil tank 20 and the steel coil stepping control multi-way valve 11 to form a steel coil stepping back pressure loop; the pilot-controlled check valve opening control multi-way reversing valve 12 is arranged between the flow-controllable oil supply system and the first pilot-controlled check valve 6-1 and the second pilot-controlled check valve 6-2 to form a pilot-controlled check valve opening control loop.
The hydraulic oil cooling and filtering system comprises an auxiliary hydraulic pump 2, a radiator 1 and a fine filter 3, wherein the radiator 1 is arranged between a hydraulic oil tank 20 and the auxiliary hydraulic pump 2 to form a hydraulic radiating loop; the fine filter 3 is arranged between the hydraulic oil tank 20 and the auxiliary hydraulic pump 2 to form a hydraulic filtering loop; wherein the fine filter 3 is a group, and the radiator 1 is a group.
The flow-controllable oil supply system comprises a main hydraulic pump 17, a cartridge valve 15, a shuttle valve 13 and a flow-control multi-way directional valve 14, wherein the cartridge valve 15 is arranged between the main hydraulic pump 17 and the multi-way directional valve 14 to form a hydraulic oil flow control loop; the flow control multi-way reversing valve 14 is arranged between the cartridge valve 15 and the shuttle valve 13 to form a cartridge valve opening control loop; the shuttle valves 13 are in one group, and the cartridge valves 15 are in one group.
The normally open ball valve 19, the main hydraulic pump 17 and two normally closed ball valves (a first normally closed ball valve 9-1 and a second normally closed ball valve 9-2) form a hydraulic oil self-flushing circulation system, and the normally closed ball valve 9 is arranged between the hydraulic oil tank 20 and the main hydraulic pump 17 to form a hydraulic oil self-flushing circulation control loop.
In the working process, in the steel coil inclined support hydraulic system, hydraulic oil of the steel coil inclined support oil cylinder 7 is supplied by the main hydraulic pump 17, the control multi-way valve 12 is opened by operating the control multi-way valve 5 and the hydraulic control one-way valve, so that stable lifting of the steel coil inclined support oil cylinder is realized, the control multi-way valve 12 is opened by operating the hydraulic control one-way valve, so that the third hydraulic control one-way valve 6-3 is opened, and further, when the steel coil inclined support control multi-way valve 5 stops working, a steel coil can be stopped at any position in a steel coil allowable lifting range. The oil supply of the stepping oil cylinder 8 is supplied by a main hydraulic pump 17, the stepping control multi-way valve 11 and the hydraulic control one-way valve opening control multi-way valve 12 of the stepping oil cylinder 8 are controlled to realize the forward and backward movement of the whole machine, and the stepping oil cylinder 8 is braked and decelerated when the forward movement of the whole machine is suddenly stopped by adjusting the opening pressure of the overload buffer valve 10.
Claims (9)
1. The utility model provides a hydraulic system of step-by-step transport vechicle of full-hydraulic coil of strip, characterized by includes among hydraulic tank (20), the controllable oil feeding system of flow, hydraulic oil cooling filtration system and through the coil of strip bearing diagonal hydraulic system and the step-by-step hydraulic system that pipeline and hydraulic tank (20) and the controllable oil feeding system of flow link to each other, hydraulic oil cooling filtration system includes radiator (1), vice hydraulic pump (2) and smart filter (3), the feed liquor pipe of vice hydraulic pump (2) is connected with hydraulic tank (20), and the drain pipe is connected with hydraulic tank (20) through smart filter (3) and radiator (1) in proper order.
2. The hydraulic system of the full-hydraulic steel coil stepping transport vehicle as claimed in claim 1, wherein the flow-controllable oil supply system comprises a main hydraulic pump (17), a flow-control multi-way directional control valve (14), a shuttle valve (13) and a cartridge valve (15), an oil inlet pipe of the main hydraulic pump (17) is connected with a hydraulic oil tank (20), an oil outlet pipe is connected with an oil inlet of the cartridge valve (15), an oil outlet of the cartridge valve (15) is connected with a steel coil inclined support hydraulic system and a whole machine stepping hydraulic system, the shuttle valve (13) is connected between a first control oil port and an oil outlet of the cartridge valve (15), a common oil port of the flow-control multi-way directional control valve (14) is connected with an oil return pipe of the hydraulic oil tank (20), and two conversion oil ports are respectively connected with a control oil port of the shuttle valve (13) and a second control oil port of the cartridge valve (15.
3. The hydraulic system of the full hydraulic steel coil stepping transport vehicle as claimed in claim 1 or 2, wherein the whole machine stepping hydraulic system comprises a first back pressure valve (4-1) and a stepping control multi-way valve (11), a port P of the stepping control multi-way valve (11) is connected with a flow controllable oil supply system, a port T is connected with an oil return pipe of a hydraulic oil tank (20) through the first back pressure valve (4-1), and two working ports are respectively connected with a rod cavity and a rodless cavity of a stepping oil cylinder (8) of the full hydraulic steel coil stepping transport vehicle.
4. The hydraulic system of a full hydraulic steel coil stepping transport vehicle as claimed in claim 3, wherein the steel coil inclined support hydraulic system comprises a second back pressure valve (4-2) and a steel coil inclined support control multi-way directional control valve (5), the P port of the steel coil inclined support control multi-way directional control valve (5) is connected with a flow controllable oil supply system, the T port is connected with an oil return pipe of the hydraulic oil tank (20) through the second back pressure valve (4-2), and two working ports are respectively connected with a rod cavity and a rodless cavity of a steel coil inclined support oil cylinder (7) of the full hydraulic steel coil stepping transport vehicle.
5. The hydraulic system of an all-hydraulic steel coil stepping transport vehicle as claimed in claim 4, characterized in that the hydraulic system further comprises a hydraulic control one-way valve opening control multi-way valve (12) and three hydraulic control one-way valves, the first hydraulic control one-way valve (6-1) and the second hydraulic control one-way valve (6-2) are respectively connected to two working oil ports of the stepping control multi-way valve (11), the third hydraulic control one-way valve (6-3) is arranged on an oil pipe connected with a rodless cavity of the steel coil inclined support oil cylinder (7), the P port of the hydraulic control one-way valve opening control multi-way valve (12) is connected with the flow controllable oil supply system, the T port is connected with an oil return pipe of the hydraulic oil tank (20), the first working oil port is connected with the control oil ports of the first hydraulic control one-way valve (6-1) and the second hydraulic control one-way valve (6-2), and the second working oil port is connected with the control oil port of the third hydraulic control one-way valve (6-3).
6. The hydraulic system of an all-hydraulic steel coil stepping transport vehicle as claimed in claim 5, wherein an overload buffering valve (10) is arranged on an oil pipe connected with a rod cavity and a rodless cavity of a stepping oil cylinder (8) of the all-hydraulic steel coil stepping transport vehicle.
7. The hydraulic system of an all-hydraulic steel coil stepping transport vehicle as claimed in claim 6, wherein normally closed ball valves are arranged between oil pipes connected with the rod cavity and the rodless cavity of the stepping oil cylinder (8) of the all-hydraulic steel coil stepping transport vehicle and between oil pipes connected with the rod cavity and the rodless cavity of the steel coil inclined support oil cylinder (7), and a normally open ball valve (19) is arranged on an oil inlet pipe of the main hydraulic pump (17).
8. The hydraulic system of an all-hydraulic steel coil stepping transport vehicle as claimed in claim 7, wherein an oil return filter (18) is arranged on an oil return pipe of the hydraulic oil tank (20).
9. The hydraulic system of a full hydraulic steel coil stepping transport vehicle as claimed in claim 8, wherein the oil outlet pipe of the main hydraulic pump (17) is provided with a high pressure filter (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921902814.9U CN211370859U (en) | 2019-11-06 | 2019-11-06 | Hydraulic system of full-hydraulic steel coil stepping transport vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921902814.9U CN211370859U (en) | 2019-11-06 | 2019-11-06 | Hydraulic system of full-hydraulic steel coil stepping transport vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN211370859U true CN211370859U (en) | 2020-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921902814.9U Active CN211370859U (en) | 2019-11-06 | 2019-11-06 | Hydraulic system of full-hydraulic steel coil stepping transport vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN211370859U (en) |
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2019
- 2019-11-06 CN CN201921902814.9U patent/CN211370859U/en active Active
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