CN204253485U - With the hydraulic system of pressure relief device - Google Patents
With the hydraulic system of pressure relief device Download PDFInfo
- Publication number
- CN204253485U CN204253485U CN201420713903.XU CN201420713903U CN204253485U CN 204253485 U CN204253485 U CN 204253485U CN 201420713903 U CN201420713903 U CN 201420713903U CN 204253485 U CN204253485 U CN 204253485U
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- China
- Prior art keywords
- valve
- oil
- base plate
- fuel tank
- pressure
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Abstract
The utility model relates to a kind of hydraulic system with pressure relief device, comprise fuel tank, fuel tank is provided with fitting seat, fitting seat is provided with motor, motor shaft is connected to gear pump, gear pump is connected with oil inlet pipe and oil outlet tube, oil inlet pipe is connected with oil purifier, oil purifier is placed in fuel tank, oil outlet tube is connected with base plate, base plate is placed on fuel tank, base plate is also connected with drain line, drain line is placed in fuel tank, base plate is provided with the relief valve for pilot pressure size, relief valve be provided with for control oil turnover lower throttle valve and upper throttle valve, upper throttle valve is provided with valve body, the other bi-bit bi-pass plate valve be provided with for controlling oil speed of valve body, valve body is provided with the hydraulic control valve controlling not decline after oil rises, hydraulic control valve is connected with the selector valve for switching oil circuit, base plate is connected with pressure-relief valve.The utility model has easy to use, does not need, by valve taking apart one by one, to ensure the advantage of coaster driving safety.
Description
Technical field
The utility model relates to a kind of hydraulic system, particularly a kind of hydraulic system with pressure relief device.
Background technique
At present, because lift has been widely used in all types of industries, but the control system of existing lift by the Speed Setting of lift well after, the rate of climb of lift and lower speed is regulated inconvenience, inefficiency, and when overload operation appears in lift, easily cause serious consequence and loss.
Acting as of hydraulic system increases active force by changing pressure.A complete hydraulic system is made up of five parts, i.e. dynamical element, executive component, control unit, auxiliary element (annex) and hydraulic oil.The effect of dynamical element is the pressure energy mechanical energy of prime mover being converted to liquid, refers to the oil pump in hydraulic system, and it provides power to whole hydraulic system.Control unit (i.e. various hydrovalve) controls in hydraulic system and the pressure of regulates liquid, flow and direction.According to the difference of controlling functions, hydrovalve can be divided into pressure controlled valve, flow control valve and position control valve.Pressure controlled valve is divided into again relief valve (safety valve), reduction valve, sequence valve, pressure relay etc.; Flow control valve comprises throttle valve, regulating valve, flow divider-combiner etc.; Position control valve comprises one-way valve, Pilot operated check valve, shuttle valve, selector valve etc.Different according to control mode, hydrovalve can be divided into bang-bang control valve, setting control valve and proportional control valve.Auxiliary element comprises fuel tank, oil purifier, oil pipe and pipe joint, seal ring, quick release coupling, high-pressure ball valve, hose assembly, pressure measuring tie-in, pressure gauge, oil level indicator, oil thermometer etc.Hydraulic oil is the working medium of transferring energy in hydraulic system, has several large classes such as various mineral oil, emulsified liquid and Synthetic Hydraulic Oil.
The structural type of oil hydraulic pump generally has gear pump, vane pump and plunger pump, and the effect of executive component (as oil hydraulic cylinder and oil hydraulic motor) is that the pressure energy of liquid is converted to mechanical energy, drives load to do straight reciprocating motion or rotation motion.
Existing coaster hydraulic system, general is all commutated by selector valve, thus coaster is moved up and down, but many times owing to containing impurity in oil, selector valve can be made like this to block abnormal, malfunctioning, cause the coaster of lift not decline, originally needed valves all on fuel tank removing one by one, so comparatively bother, and be easy to leakage of oil in the later stage uses, increase cost.
Summary of the invention
The purpose of this utility model is to overcome above deficiency, provides a kind of easy to use, does not need, by valve taking apart one by one, to ensure the hydraulic system of the band pressure relief device of coaster driving safety.
The purpose of this utility model is achieved through the following technical solutions: a kind of hydraulic system with pressure relief device, comprise fuel tank, fuel tank is provided with fitting seat, fitting seat is provided with motor, motor shaft is connected to gear pump, gear pump is connected with oil inlet pipe and oil outlet tube, oil inlet pipe is connected with oil purifier, oil purifier is placed in fuel tank, oil outlet tube is connected with base plate, base plate is placed on fuel tank, base plate is also connected with drain line, drain line is placed in fuel tank, base plate is provided with the relief valve for pilot pressure size, relief valve be provided with for control oil turnover lower throttle valve and upper throttle valve, upper throttle valve is provided with valve body, the other bi-bit bi-pass plate valve be provided with for controlling oil speed of valve body, valve body is provided with the hydraulic control valve controlling not decline after oil rises, hydraulic control valve is connected with the selector valve for switching oil circuit, base plate is connected with pressure-relief valve.
Further improvement of the utility model is: the side of described base plate is connected with pressure gauge with electric contact.
Further improvement of the utility model is: the front side of described base plate is connected with oil pressure gauge.
The utility model compared with prior art has the following advantages: when selector valve blocks, do not need all valve bodies taking apart one by one, by arranging pressure-relief valve on valve seat base plate, for oil circuit release for subsequent use, so not only use more for convenience, and saved the time, ensure that coaster security of operation.
accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the left view of Fig. 1;
Number in the figure: throttle valve, the upper throttle valve of 12-, 13-valve body, 14-bi-bit bi-pass plate valve, 15-hydraulic control valve, 16-selector valve, 17-pressure-relief valve, 18-pressure gauge with electric contact, 19-oil pressure gauge under 1-fuel tank, 2-fitting seat, 3-motor, 4-gear pump, 5-oil inlet pipe, 6-oil outlet tube, 7-oil purifier, 8-base plate, 9-drain line, 10-relief valve, 11-.
embodiment:
in order to deepen understanding of the present utility model, below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, and this embodiment, only for explaining the utility model, does not form the restriction to the utility model protection domain.
As Fig. 1 and Fig. 2 shows the embodiment of a kind of hydraulic system with pressure relief device of the utility model, comprise fuel tank 1, fuel tank 1 is provided with fitting seat 2, fitting seat 2 is provided with motor 3, motor 3 is connected with gear pump 4, gear pump 4 is connected with oil inlet pipe 5 and oil outlet tube 6, oil inlet pipe 5 is connected with oil purifier 7, oil purifier 7 is placed in fuel tank 1, oil outlet tube 6 is connected with base plate 8, base plate 8 is placed on fuel tank 1, base plate 8 is also connected with drain line 9, drain line 9 is placed in fuel tank 1, base plate 8 is provided with the relief valve 10 for pilot pressure size, relief valve 10 be provided with for control oil turnover lower throttle valve 11 and upper throttle valve 12, upper throttle valve 12 is provided with valve body 13, the other bi-bit bi-pass plate valve 14 be provided with for controlling oil speed of valve body 13, valve body 13 is provided with the hydraulic control valve 15 controlling not decline after oil rises, hydraulic control valve 15 is connected with the selector valve 16 for switching oil circuit, base plate 8 is connected with pressure-relief valve 17, the side of base plate 8 is connected with pressure gauge with electric contact 18, the front side of base plate 8 is connected with oil pressure gauge 19.
Hydraulic system described in the utility model, when selector valve blocks, does not need all valve bodies taking apart one by one, by arranging pressure-relief valve on valve seat base plate, for oil circuit release for subsequent use, so not only use more for convenience, and saved the time, ensure that coaster security of operation.
The another statement of claimant, the present invention illustrates implementation method of the present invention and apparatus structure by above-described embodiment, but the present invention is not limited to above-mentioned mode of execution, does not namely mean that the present invention must rely on said method and structure could be implemented.Person of ordinary skill in the field should understand, any improvement in the present invention, replaces and the interpolation of step, concrete way choice etc., all drop within protection scope of the present invention and scope of disclosure implementation method equivalence selected by the present invention.
The present invention is not limited to above-mentioned mode of execution, and all employings and analog structure of the present invention and method thereof realize all modes of the object of the invention, all within protection scope of the present invention.
Claims (3)
1. the hydraulic system with pressure relief device, comprise fuel tank (1), described fuel tank (1) is provided with fitting seat (2), described fitting seat (2) is provided with motor (3), described motor (3) is connected with gear pump (4), described gear pump (4) is connected with oil inlet pipe (5) and oil outlet tube (6), described oil inlet pipe (5) is connected with oil purifier (7), described oil purifier (7) is placed in described fuel tank (1), described oil outlet tube (6) is connected with base plate (8), described base plate (8) is placed on described fuel tank (1), described base plate (8) is also connected with drain line (9), described drain line (9) is placed in described fuel tank (1), it is characterized in that: base plate (8) is provided with the relief valve (10) for pilot pressure size, described relief valve (10) be provided with for control oil turnover lower throttle valve (11) and upper throttle valve (12), described upper throttle valve (12) is provided with valve body (13), the other bi-bit bi-pass plate valve (14) be provided with for controlling oil speed of described valve body (13), described valve body (13) is provided with the hydraulic control valve (15) controlling not decline after oil rises, described hydraulic control valve (15) is connected with the selector valve (16) for switching oil circuit, described base plate (8) is connected with pressure-relief valve (17).
2. the hydraulic system according to claim 1 with pressure relief device, is characterized in that: the side of described base plate (8) is connected with pressure gauge with electric contact (18).
3. the hydraulic system according to claim 1 with pressure relief device, is characterized in that: the front side of described base plate (8) is connected with oil pressure gauge (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420713903.XU CN204253485U (en) | 2014-11-25 | 2014-11-25 | With the hydraulic system of pressure relief device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420713903.XU CN204253485U (en) | 2014-11-25 | 2014-11-25 | With the hydraulic system of pressure relief device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204253485U true CN204253485U (en) | 2015-04-08 |
Family
ID=52957798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420713903.XU Expired - Fee Related CN204253485U (en) | 2014-11-25 | 2014-11-25 | With the hydraulic system of pressure relief device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204253485U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373407A (en) * | 2014-11-25 | 2015-02-25 | 南通贝特医药机械有限公司 | Hydraulic system with pressure relief device |
-
2014
- 2014-11-25 CN CN201420713903.XU patent/CN204253485U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373407A (en) * | 2014-11-25 | 2015-02-25 | 南通贝特医药机械有限公司 | Hydraulic system with pressure relief device |
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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: 20150408 Termination date: 20161125 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |