CN203926176U - Integrated hydraulic hoists - Google Patents
Integrated hydraulic hoists Download PDFInfo
- Publication number
- CN203926176U CN203926176U CN201420338793.3U CN201420338793U CN203926176U CN 203926176 U CN203926176 U CN 203926176U CN 201420338793 U CN201420338793 U CN 201420338793U CN 203926176 U CN203926176 U CN 203926176U
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- valve
- oil
- fuel tank
- pilot operated
- check valve
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Abstract
Integrated hydraulic hoists, the structure field that relates to gate hoist, comprise oil cylinder and hydraulic system, hydraulic system comprises oil cylinder, fuel tank, oil pump, motor and valve group, and valve group comprises one-way valve, one group of 3-position 4-way solenoid directional control valve, the first Pilot operated check valve, the first Double throttle check valve, the second Pilot operated check valve, the second Double throttle check valve and oil way valve block; Fuel tank is connected to the top of oil cylinder, connecting partition in fuel tank, and dividing plate is separated into He Youyou district, Wu You district by fuel tank, and oil pump is unidirectional oil pump, and unidirectional oil pump is arranged in fuel tank You You district; Valve group also comprises pressure gauge, one group of pilot operated compound relief valve, the oil inlet end of pilot operated compound relief valve is connected with the oil outlet end of one-way valve, the oil outlet end of pilot operated compound relief valve is connected with fuel tank, and pressure gauge is connected on pilot operated compound relief valve, and valve group is arranged in fuel tank Wu You district.The utility model than, compact structure little with the integrated hydraulic hoists profile of equal-specification, easy to maintenance, open and close the advantages such as flexible.
Description
Technical field
The utility model relates to the structure field of gate hoist, relates in particular to the structure of hydraulic hoist.
Background technique
Current existing integrated hydraulic hoists adopts the positive and negative driving oil cylinder of driven by motor two-way oil pump stretch out or retract, this structure hoist is because of two-way oil pump rated pressure (normal P≤10MPa), lower than conventional unidirectional oil pump rated pressure (P≤20MPa), and the oil cylinder with the hoist integrated form of equal-specification is much bigger, volume is also bigger than normal, so can only be applicable to little tonnage, low power operating mode.
Summary of the invention
The purpose of this utility model is in order to overcome the deficiencies in the prior art, provide a kind of be applicable to various big-and-middle-sized water conservancies, water station and municipal engineering have open and close flexibly, the integration type hydraulic hoist of stable performance, large specification.The advantages such as ratio is little with the integrated hydraulic hoists profile of equal-specification, compact structure, easy to maintenance.
The purpose of this utility model is achieved in that integrated hydraulic hoists, comprise oil cylinder and hydraulic system, hydraulic system comprises oil cylinder, fuel tank, motor and valve group, and the cylinder barrel of oil cylinder is set in oil cylinder, motor is arranged on the outside of fuel tank, and motor connects oil pump by coupling, described valve group comprises one group of 3-position 4-way solenoid directional control valve, the first Pilot operated check valve, the first Double throttle check valve, the second Pilot operated check valve, the second Double throttle check valve and oil way valve block, the oil-feed P mouth of described 3-position 4-way solenoid directional control valve is communicated with first interface of oil way valve block, first interface of oil way valve block connects one-way valve, one-way valve connects oil pump, the work A mouth of 3-position 4-way solenoid directional control valve is connected with the first Pilot operated check valve, the first Pilot operated check valve is connected with the first Double throttle check valve, the first Double throttle check valve is connected with second interface of described oil way valve block, second interface of oil way valve block is connected with the rodless cavity hydraulic fluid port of described oil cylinder, the work B mouth of 3-position 4-way solenoid directional control valve is connected with the second Pilot operated check valve, the second Pilot operated check valve is connected with the second Double throttle check valve, the second Double throttle check valve is connected with the 3rd interface of described oil way valve block, the 3rd interface of oil way valve block is connected with the rod chamber hydraulic fluid port of described oil cylinder, the oil return T mouth of 3-position 4-way solenoid directional control valve is connected with the 4th interface of described oil way valve block, the 4th interface of oil way valve block is connected with described fuel tank, described fuel tank is connected to the top of oil cylinder, connecting partition in fuel tank, and dividing plate is separated into He Youyou district, Wu You district by fuel tank, and fuel tank You You district is connected with oil cylinder, and described oil pump is unidirectional oil pump, and unidirectional oil pump is arranged in fuel tank You You district, described valve group also comprises pressure gauge, one group of pilot operated compound relief valve, the oil inlet end of pilot operated compound relief valve is connected with the oil outlet end of described one-way valve, the oil outlet end of pilot operated compound relief valve is connected with described fuel tank, and pressure gauge is connected on pilot operated compound relief valve, and valve group is arranged in fuel tank Wu You district.
The utility model is by being separated into fuel tank inner chamber in He Youyou district, Wu You district, and valve group is arranged in Wu You district, and compact structure, volume are little.Under electrical equipment control, by the unidirectional oil pump pressure oil output of driven by motor, through one-way valve, pilot operated compound relief valve regulating system working pressure, directional control valve, change oil circuit direction, realize hydraulic jack and do axially reciprocating, drive gate moves reciprocatingly, and reaches the object of unlatching, closed shutter.
The utility model be applicable to various big-and-middle-sized water conservancies, water station and municipal engineering have open and close flexibly, the integration type hydraulic hoist of stable performance, large specification.The advantages such as ratio is little with the integrated hydraulic hoists profile of equal-specification, compact structure, easy to maintenance.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is hydraulic schematic diagram of the present utility model.
Embodiment
As shown in Figure 1, 2, for integrated hydraulic hoists, comprise oil cylinder 1 and hydraulic system, hydraulic system comprises oil cylinder 2, fuel tank 3 and motor 4, the cylinder barrel of oil cylinder 1 is set in oil cylinder 2, at the interior connecting partition 5 of fuel tank 3, dividing plate 5 is separated into 3-1He Youyou district, Wu You district 3-2 by fuel tank 3, oil cylinder 2 is connected to the below of fuel tank 3 and is connected with fuel tank 3 You You district 3-2, motor 4 is arranged on the outside of fuel tank 3, motor 4 connects unidirectional oil pump 6 by coupling, and unidirectional oil pump 6 is arranged in fuel tank 3 You You district 3-2.
In fuel tank 3 Wu You district 3-1, valve group 7 is set, valve group 7 comprises pressure gauge 8, one group of pilot operated compound relief valve 9 and one group of 3-position 4-way solenoid directional control valve 10, the first Pilot operated check valve 11, the first Double throttle check valve 12, the second Pilot operated check valve 13, the second Double throttle check valve 14 and oil way valve block 15.The oil-feed P mouth of 3-position 4-way solenoid directional control valve 10 is communicated with first interface of oil way valve block 15, first interface of oil way valve block 15 connects one-way valve 16, the oil inlet end of one-way valve 16 connects unidirectional oil pump 6, the work A mouth of 3-position 4-way solenoid directional control valve 10 is connected with the first Pilot operated check valve 11, the first Pilot operated check valve 11 is connected with the first Double throttle check valve 12, the first Double throttle check valve 12 is connected with second interface of oil way valve block 15, second interface of oil way valve block 15 is connected with the rodless cavity hydraulic fluid port of oil cylinder 1, the work B mouth of 3-position 4-way solenoid directional control valve 10 is connected with the second Pilot operated check valve 13, the second Pilot operated check valve 13 is connected with the second Double throttle check valve 14, the second Double throttle check valve 14 is connected with the 3rd interface of oil way valve block 15, the 3rd interface of oil way valve block 15 is connected with the rod chamber hydraulic fluid port of oil cylinder 1, the oil return T mouth of 3-position 4-way solenoid directional control valve 10 is connected with the 4th interface of oil way valve block 15, the 4th interface of oil way valve block 15 is connected with fuel tank 3 You You district 3-2, the oil inlet end of pilot operated compound relief valve 9 is connected with the oil outlet end of one-way valve 16, the oil outlet end of pilot operated compound relief valve 9 is connected with fuel tank 3, pressure gauge 8 is connected on pilot operated compound relief valve 9.
Claims (1)
1. integrated hydraulic hoists, comprises oil cylinder and hydraulic system, and hydraulic system comprises oil cylinder, fuel tank, motor and valve group, and the cylinder barrel of oil cylinder is set in oil cylinder, and motor is arranged on the outside of fuel tank, and motor connects oil pump by coupling, described valve group comprises one group of 3-position 4-way solenoid directional control valve, the first Pilot operated check valve, the first Double throttle check valve, the second Pilot operated check valve, the second Double throttle check valve and oil way valve block, the oil-feed P mouth of described 3-position 4-way solenoid directional control valve is communicated with first interface of oil way valve block, first interface of oil way valve block connects one-way valve, one-way valve connects oil pump, the work A mouth of 3-position 4-way solenoid directional control valve is connected with the first Pilot operated check valve, the first Pilot operated check valve is connected with the first Double throttle check valve, the first Double throttle check valve is connected with second interface of described oil way valve block, second interface of oil way valve block is connected with the rodless cavity hydraulic fluid port of described oil cylinder, the work B mouth of 3-position 4-way solenoid directional control valve is connected with the second Pilot operated check valve, the second Pilot operated check valve is connected with the second Double throttle check valve, the second Double throttle check valve is connected with the 3rd interface of described oil way valve block, the 3rd interface of oil way valve block is connected with the rod chamber hydraulic fluid port of described oil cylinder, the oil return T mouth of 3-position 4-way solenoid directional control valve is connected with the 4th interface of described oil way valve block, the 4th interface of oil way valve block is connected with described fuel tank, it is characterized in that: described fuel tank is connected to the top of oil cylinder, connecting partition in fuel tank, dividing plate is separated into He Youyou district, Wu You district by fuel tank, and fuel tank You You district is connected with oil cylinder, and described oil pump is unidirectional oil pump, and unidirectional oil pump is arranged in fuel tank You You district, described valve group also comprises pressure gauge, one group of pilot operated compound relief valve, the oil inlet end of pilot operated compound relief valve is connected with the oil outlet end of described one-way valve, the oil outlet end of pilot operated compound relief valve is connected with described fuel tank, and pressure gauge is connected on pilot operated compound relief valve, and valve group is arranged in fuel tank Wu You district.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420338793.3U CN203926176U (en) | 2014-06-24 | 2014-06-24 | Integrated hydraulic hoists |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420338793.3U CN203926176U (en) | 2014-06-24 | 2014-06-24 | Integrated hydraulic hoists |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203926176U true CN203926176U (en) | 2014-11-05 |
Family
ID=51821995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420338793.3U Expired - Fee Related CN203926176U (en) | 2014-06-24 | 2014-06-24 | Integrated hydraulic hoists |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203926176U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104514762A (en) * | 2014-12-23 | 2015-04-15 | 江苏远望仪器有限公司 | Multifunctional integrated valve block of hydraulic driver |
| CN108150463A (en) * | 2018-02-01 | 2018-06-12 | 浙江微力电动科技有限公司 | Integral electric hydraulic system |
-
2014
- 2014-06-24 CN CN201420338793.3U patent/CN203926176U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104514762A (en) * | 2014-12-23 | 2015-04-15 | 江苏远望仪器有限公司 | Multifunctional integrated valve block of hydraulic driver |
| CN104514762B (en) * | 2014-12-23 | 2016-09-28 | 江苏远望仪器有限公司 | Hydraulic unit driver multifunction integrated valve block |
| CN108150463A (en) * | 2018-02-01 | 2018-06-12 | 浙江微力电动科技有限公司 | Integral electric hydraulic system |
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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 |
Granted publication date: 20141105 Termination date: 20180624 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |