CN203653138U - Hydraulic mechanism for endless rope winch - Google Patents
Hydraulic mechanism for endless rope winch Download PDFInfo
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- CN203653138U CN203653138U CN201320698005.7U CN201320698005U CN203653138U CN 203653138 U CN203653138 U CN 203653138U CN 201320698005 U CN201320698005 U CN 201320698005U CN 203653138 U CN203653138 U CN 203653138U
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Abstract
The utility model discloses a hydraulic mechanism for an endless rope winch, which comprises an oil tank, a brake cylinder, a tension cylinder, a gear pump, a first three-position four-way manual reversing valve, a two-position four-way electromagnetic reversing valve, a throttle valve, a second three-position four-way manual reversing valve, a hydraulic control one-way valve and a throttle stop valve. An oil inlet pipe of the gear pump extends into the oil tank, an oil outlet pipe of the gear pump is connected with the first three-position four-way manual reversing valve, and the first three-position four-way manual reversing valve is connected with the two-position four-way electromagnetic reversing valve and the second three-position four-way manual reversing valve through an oil way. The two-position four-way electromagnetic reversing valve is connected with the brake cylinder; and the second three-position four-way manual reversing valve is connected with first and second oil ports of the tension cylinder, and the throttle stop valve and the hydraulic control one-way valve are arranged on the oil way between the second oil port and a B port of the second three-position four-way manual reversing valve in series. After the hydraulic mechanism for the endless rope winch is adopted, the pressure can be conveniently and continuously supplied to and maintained in the tension cylinder, no frequent operation is required, and the labor intensity of workers is greatly reduced.
Description
Technical field
The utility model relates to a kind of hydraulic gear, especially endless rope winch hydraulic gear.
Background technology
The hydraulic gear of existing endless rope winch provides power for drg oil cylinder and tensioning hydro-cylinder, and the defect of this hydraulic gear is that tensioning hydro-cylinder can not continue voltage supply and pressurize.In work, system pressure reduces in time, and the suffered tensile force of endless rope winch steel rope is reduced, and therefore cisco unity malfunction needs frequent operation hydraulic efficiency pressure system to increase tensioning pressure, guarantees that the tensile force of endless rope winch steel rope is normally worked winch.
Tensioning hydro-cylinder needs frequent operation, and therefore workman just need to operate hydraulic gear continually, and labour intensity is very large.
Utility model content
The purpose of this utility model is to provide a kind of endless rope winch hydraulic gear that can be continuously tensioning hydro-cylinder voltage supply, pressurize.
For achieving the above object, endless rope winch hydraulic gear of the present utility model comprises fuel tank, drg oil cylinder and tensioning hydro-cylinder, it is characterized in that: also include gear type pump, the first 3-position 4-way hand change over valve, two four-way electromagnetic reversing valves, flow regulating valve, the second 3-position 4-way hand change over valve, hydraulic control one-way valve and throttling stop valves; Described the first and second 3-position 4-way hand change over valves and two four-way electromagnetic reversing valves all have A mouth, B mouth, P mouth and T mouth, and the T mouth of described each valve is all connected with described fuel tank; The oil inlet of gear type pump stretches into described fuel tank, the oil outlet pipe of gear type pump is connected with the P mouth of the first 3-position 4-way hand change over valve, the A mouth of the first 3-position 4-way hand change over valve connects the P mouth of described two four-way electromagnetic reversing valves by oil circuit, the B mouth of the first 3-position 4-way hand change over valve connects the P mouth of described the second 3-position 4-way hand change over valve by oil circuit; The B mouth of described two four-way electromagnetic reversing valves connects described drg oil cylinder by oil circuit, and the oil circuit between drg oil cylinder and two four-way electromagnetic reversing valves is provided with described flow regulating valve; Oil circuit between the first 3-position 4-way hand change over valve and two four-way electromagnetic reversing valves is provided with the first pressure gauge with bottom connection; The A mouth of described the second 3-position 4-way hand change over valve and described tensioning hydro-cylinder the first hydraulic fluid port be connected, the B mouth of described the second 3-position 4-way hand change over valve is connected with the second hydraulic fluid port of described tensioning hydro-cylinder, on the oil circuit between described the second hydraulic fluid port and the B mouth of the second 3-position 4-way hand change over valve, connects and is provided with described throttling stop valve and hydraulic control one-way valve.
On oil circuit between described the first 3-position 4-way hand change over valve and two four-way electromagnetic reversing valves, be also provided with the first by pass valve, the oil circuit between described the first 3-position 4-way hand change over valve and the second 3-position 4-way hand change over valve is provided with the second by pass valve.
On the oil circuit of the second oil port of described tensioning hydro-cylinder, be connected with the second pressure gauge with bottom connection and energy storage.
The utility model is in the time of work, can switch easily fuel feeding direction by the first 3-position 4-way hand change over valve, optionally to the second 3-position 4-way hand change over valve or two four-way electromagnetic reversing valve fuel feeding, and then be optionally drg oil cylinder and tensioning hydro-cylinder fuel feeding.The setting of hydraulic control one-way valve, can control the direction of this valve conducting easily, makes this valve can reverse-conducting.The setting of throttling stop valve, both can regulate oil pressure and flow, can in needs pressurize, play again cut-off effect, and the oil pressure at tensioning hydro-cylinder place is maintained.Adopting after the utility model, can be that tensioning hydro-cylinder continues voltage supply, pressurize easily, no longer needs frequent operation, has greatly alleviated workman's labour intensity.The setting of first, second by pass valve, can make the second 3-position 4-way hand change over valve and two four-way electromagnetic reversing valves obtain stable charge oil pressure.Finally, the utility model is simple in structure, and cost is lower, is convenient to manufacture and use.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the enlarged diagram at C place in Fig. 1.
The specific embodiment
As depicted in figs. 1 and 2, endless rope winch hydraulic gear of the present utility model comprises fuel tank 1, drg oil cylinder 2, tensioning hydro-cylinder 3, gear type pump 4, the first 3-position 4-way hand change over valve 5, two four-way electromagnetic reversing valves 6, flow regulating valve 7, the second 3-position 4-way hand change over valve 8, hydraulic control one-way valve 9 and throttling stop valves 10.Gear type pump 4 is driven by motor 20.
Described the first and second 3-position 4-way hand change over valves 5,8 and two four-way electromagnetic reversing valves 6 all have A mouth, B mouth, P mouth and T mouth, and the T mouth of described each valve is all connected with described fuel tank 1.Fig. 2 is mainly used to A mouth, B mouth, P mouth and the T mouth of each valve in the clear Fig. 1 of demonstration.
The oil inlet 11 of gear type pump 4 stretches into described fuel tank 1, the oil outlet pipe 12 of gear type pump 4 is connected with the P mouth of the first 3-position 4-way hand change over valve 5, the A mouth of the first 3-position 4-way hand change over valve 5 connects the P mouth of described two four-way electromagnetic reversing valves 6 by oil circuit, the B mouth of the first 3-position 4-way hand change over valve 5 connects the P mouth of described the second 3-position 4-way hand change over valve 8 by oil circuit.
The B mouth of described two four-way electromagnetic reversing valves 6 connects described drg oil cylinder 2 by oil circuit, and the oil circuit between drg oil cylinder 2 and two four-way electromagnetic reversing valves 6 is provided with described flow regulating valve 7; Oil circuit between the first 3-position 4-way hand change over valve 5 and two four-way electromagnetic reversing valves 6 is provided with the first pressure gauge with bottom connection 13.
The A mouth of described the second 3-position 4-way hand change over valve 8 and described tensioning hydro-cylinder 3 the first hydraulic fluid port 14 be connected, the B mouth of described the second 3-position 4-way hand change over valve 8 is connected with the second hydraulic fluid port 15 of described tensioning hydro-cylinder 3, on the oil circuit between described the second hydraulic fluid port 15 and the B mouth of the second 3-position 4-way hand change over valve 8, connects and is provided with described throttling stop valve 10 and hydraulic control one-way valve 9.
On oil circuit between described the first 3-position 4-way hand change over valve 5 and two four-way electromagnetic reversing valves 6, be also provided with the first by pass valve 16(operation pressure 4Mpa), the oil circuit between described the first 3-position 4-way hand change over valve 5 and the second 3-position 4-way hand change over valve 8 is provided with the second by pass valve 17(operation pressure 5Mpa).
On the oil circuit at the second hydraulic fluid port 15 places of described tensioning hydro-cylinder, be connected with the second pressure gauge with bottom connection 18 and energy storage 19, to monitor this place's oil pressure, and stored energy.
Wherein, motor 20 and two four-way electromagnetic reversing valves 6 all preferably adopt flame-proof type product.
The utility model is in the time of work, can switch easily fuel feeding direction by the first 3-position 4-way hand change over valve 5, optionally to the second 3-position 4-way hand change over valve 8 or two four-way electromagnetic reversing valve 6 fuel feeding, and then be optionally drg oil cylinder 2 and tensioning hydro-cylinder 3 fuel feeding.The setting of hydraulic control one-way valve 9, can control the direction of this valve conducting easily, makes this valve can reverse-conducting.The setting of throttling stop valve 10, both can regulate oil pressure and flow, can in needs pressurize, play again cut-off effect, and the oil pressure at tensioning hydro-cylinder 3 places is maintained.
Above embodiment is the unrestricted the technical solution of the utility model in order to explanation only, although the utility model is had been described in detail with reference to above-described embodiment, those of ordinary skill in the art is to be understood that: still can modify or be equal to replacement the utility model, and not departing from any modification or partial replacement of spirit and scope of the present utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (3)
1. endless rope winch hydraulic gear, comprise fuel tank, drg oil cylinder and tensioning hydro-cylinder, it is characterized in that: also include gear type pump, the first 3-position 4-way hand change over valve, two four-way electromagnetic reversing valves, flow regulating valve, the second 3-position 4-way hand change over valve, hydraulic control one-way valve and throttling stop valves;
Described the first and second 3-position 4-way hand change over valves and two four-way electromagnetic reversing valves all have A mouth, B mouth, P mouth and T mouth, and the T mouth of described each valve is all connected with described fuel tank;
The oil inlet of gear type pump stretches into described fuel tank, the oil outlet pipe of gear type pump is connected with the P mouth of the first 3-position 4-way hand change over valve, the A mouth of the first 3-position 4-way hand change over valve connects the P mouth of described two four-way electromagnetic reversing valves by oil circuit, the B mouth of the first 3-position 4-way hand change over valve connects the P mouth of described the second 3-position 4-way hand change over valve by oil circuit;
The B mouth of described two four-way electromagnetic reversing valves connects described drg oil cylinder by oil circuit, and the oil circuit between drg oil cylinder and two four-way electromagnetic reversing valves is provided with described flow regulating valve; Oil circuit between the first 3-position 4-way hand change over valve and two four-way electromagnetic reversing valves is provided with the first pressure gauge with bottom connection;
The A mouth of described the second 3-position 4-way hand change over valve and described tensioning hydro-cylinder the first hydraulic fluid port be connected, the B mouth of described the second 3-position 4-way hand change over valve is connected with the second hydraulic fluid port of described tensioning hydro-cylinder, on the oil circuit between described the second hydraulic fluid port and the B mouth of the second 3-position 4-way hand change over valve, connects and is provided with described throttling stop valve and hydraulic control one-way valve.
2. endless rope winch hydraulic gear according to claim 1, it is characterized in that: on the oil circuit between described the first 3-position 4-way hand change over valve and two four-way electromagnetic reversing valves, be also provided with the first by pass valve, the oil circuit between described the first 3-position 4-way hand change over valve and the second 3-position 4-way hand change over valve is provided with the second by pass valve.
3. endless rope winch hydraulic gear according to claim 1 and 2, is characterized in that: on the oil circuit of the second oil port of described tensioning hydro-cylinder, be connected with the second pressure gauge with bottom connection and energy storage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320698005.7U CN203653138U (en) | 2013-11-07 | 2013-11-07 | Hydraulic mechanism for endless rope winch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320698005.7U CN203653138U (en) | 2013-11-07 | 2013-11-07 | Hydraulic mechanism for endless rope winch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203653138U true CN203653138U (en) | 2014-06-18 |
Family
ID=50919552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320698005.7U Expired - Fee Related CN203653138U (en) | 2013-11-07 | 2013-11-07 | Hydraulic mechanism for endless rope winch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203653138U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110713129A (en) * | 2019-09-10 | 2020-01-21 | 广州文冲船厂有限责任公司 | Constant tension control system of hydraulic winch |
| CN113772574A (en) * | 2021-08-05 | 2021-12-10 | 徐州重型机械有限公司 | Winch brake system and crane |
-
2013
- 2013-11-07 CN CN201320698005.7U patent/CN203653138U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110713129A (en) * | 2019-09-10 | 2020-01-21 | 广州文冲船厂有限责任公司 | Constant tension control system of hydraulic winch |
| CN113772574A (en) * | 2021-08-05 | 2021-12-10 | 徐州重型机械有限公司 | Winch brake system and crane |
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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: 20140618 Termination date: 20141107 |
|
| EXPY | Termination of patent right or utility model |