CN204239362U - A kind of hydraulic power control gear - Google Patents
A kind of hydraulic power control gear Download PDFInfo
- Publication number
- CN204239362U CN204239362U CN201420566830.6U CN201420566830U CN204239362U CN 204239362 U CN204239362 U CN 204239362U CN 201420566830 U CN201420566830 U CN 201420566830U CN 204239362 U CN204239362 U CN 204239362U
- Authority
- CN
- China
- Prior art keywords
- oil
- hydraulic pump
- power control
- oil hydraulic
- actuating motor
- 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.)
- Expired - Fee Related
Links
- 238000010926 purge Methods 0.000 claims abstract description 34
- 239000000945 filler Substances 0.000 claims abstract description 14
- 238000005520 cutting process Methods 0.000 claims abstract description 4
- 239000002828 fuel tank Substances 0.000 claims description 8
- 230000008676 import Effects 0.000 claims description 6
- 239000003921 oil Substances 0.000 description 141
- 239000012530 fluid Substances 0.000 description 4
- 230000000737 periodic effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Fluid-Pressure Circuits (AREA)
Abstract
The utility model relates to power control unit technical field, refer in particular to hydraulic power control gear, comprise actuating motor, oil hydraulic pump, hydraulic unit driver and servocontroller, the output terminal of actuating motor is connected with oil hydraulic pump, the oiler of hydraulic unit driver is connected with inducting cell, the signal output part of inducting cell is connected with servocontroller electrical signal, and servocontroller is connected with actuating motor electrical signal; Oil hydraulic pump is provided with the reverse purge valve of connection for cutting off or be communicated with oil hydraulic pump and hydraulic unit driver, and reverse purge valve is provided with filler opening, oil outlet and oil drain out, and filler opening is communicated with the oil outlet end of oil hydraulic pump, and oil outlet is communicated with hydraulic unit driver.The utility model can make when oil hydraulic pump receives reverse instruction, reduce the reverse even avoiding oil hydraulic pump, and then minimizing oil hydraulic pump breaks down, ensure reliability when oil hydraulic pump and actuating motor work, extend the working life of oil hydraulic pump and actuating motor, and shorten the time of pressure drop.
Description
Technical field
The utility model relates to power control unit technical field, particularly relates to a kind of hydraulic power control gear.
Background technique
China's Authorization Notice No. is that the utility model patent of CN2849266Y discloses a kind of hydraulic power control gear, shown in accompanying drawing 1, its technological scheme is: it includes actuating motor 11, actuating motor 11 connects power supply and its output terminal connecting fluid press pump 13, the output pipeline of oil hydraulic pump 13 is connected to hydraulic unit driver 4, hydraulic unit driver 4 is connected with inducting cell, and the signal of inducting cell outputs to servocontroller 3, the control signal input actuating motor 11 of servocontroller 3; Inducting cell includes position, yardage counter 21 and pressure transducer 23.During existing this kind of hydraulic power control gear work, the hydrodynamic pressure that the position of inducting cell, yardage counter 21 can be responded in the movement speed and oil hydraulic circuit obtaining hydraulic unit driver 4 respectively with pressure transducer 23, and judged by servocontroller 3, to control the rotating speed of actuating motor 11, thus the rate of flow of fluid in adjustment oil hydraulic circuit, as actuating motor 11 rotating speed increases, the flow velocity of fluid can be increased, make hydraulic unit driver 4 export larger speed or pressure; When pressure overrate, then reduce the rotating speed of actuating motor 11 or make it reverse, to reduce the rate of flow of fluid in oil hydraulic circuit, making hydraulic unit driver 4 export less speed and pressure.
But existing this kind of hydraulic power control gear, because the reaction time of actuating motor 11 and servocontroller 3 is fast not, when changing pressure, system is usually transshipped, and oil hydraulic pump 13 is frequently reversed, cause oil hydraulic pump 13 and actuating motor 11 easily to break down.
Model utility content
The purpose of this utility model is that providing a kind of for the deficiencies in the prior art can reduce the hydraulic power control gear even avoiding oil hydraulic pump counter-rotating; thus can play a protective role to oil hydraulic pump and actuating motor, and then realize the working life extending oil hydraulic pump and actuating motor.
For achieving the above object, a kind of hydraulic power control gear of the present utility model, comprise actuating motor, oil hydraulic pump, hydraulic unit driver and servocontroller, the output terminal of actuating motor is connected with oil hydraulic pump, the oiler of hydraulic unit driver is connected with inducting cell, the signal output part of inducting cell is connected with servocontroller electrical signal, and servocontroller is connected with actuating motor electrical signal; Described oil hydraulic pump is provided with the reverse purge valve of connection for cutting off or be communicated with oil hydraulic pump and hydraulic unit driver, reverse purge valve is provided with filler opening, oil outlet and oil drain out, filler opening is communicated with the oil outlet end of oil hydraulic pump, oil outlet is communicated with hydraulic unit driver, and oil drain out is connected with drain line.
Preferably, the inside of described reverse purge valve is provided with spool and spring, and spool abuts with spring; The both sides of reverse purge valve are respectively arranged with import and guide room and outlets direct room.
Preferably, direct acting type relief valve is connected with between described oil outlet and oil drain out.
Preferably, described inducting cell comprises pressure transducer and is installed on the yardage counter on actuating motor.
Preferably, pressure gauge is connected with described in.
Preferably, described oil drain out is connected with drain line.
Preferably, the oil inlet end of described oil hydraulic pump is connected with oil purifier.
Preferably, described hydraulic power control gear also comprises fuel tank, and oil purifier and drain line are all communicated with described fuel tank.
Preferably, the described hydraulic unit driver controlling party that comprises a group or more to element, oil hydraulic cylinder and pipeline.
The beneficial effects of the utility model: hydraulic power control gear of the present utility model, wherein, the pressure oil that the reverse purge valve that oil hydraulic pump is installed can make oil hydraulic pump export is flowed directly in hydraulic unit driver by reverse purge valve, realizes for the operation of a machine; Meanwhile, reverse purge valve can make the pressure oil in hydraulic unit driver flow to drain line discharge by the oil drain out of reverse purge valve, and therefore the pressure in hydraulic unit driver quickly fall to desired value; Then oil hydraulic pump carries out rotating forward pressure oil output again, periodic duty like this.Hydraulic power control gear of the present utility model, the reverse purge valve that oil hydraulic pump is installed, can make when oil hydraulic pump receives reverse instruction, oil hydraulic pump is decelerated to and stops operating and carry out moment of reversing, pressure oil in hydraulic unit driver is expelled to drain line by reverse purge valve and completes pressure release, thus realize reducing the reverse even avoiding oil hydraulic pump, and then minimizing oil hydraulic pump breaks down, and shorten decompression time, ensure reliability when oil hydraulic pump and actuating motor work, extend the working life of oil hydraulic pump and actuating motor.
Accompanying drawing explanation
Fig. 1 is the fundamental diagram of the hydraulic power control gear of this prior art.
Fig. 2 is the structural representation of hydraulic power control gear of the present utility model.
Reference character comprises:
1-fuel tank, 3-servocontroller, 4-hydraulic unit driver
5-reverse purge valve 6-direct acting type relief valve, 7-drain line
11-actuating motor, 12-oil purifier, 13-oil hydraulic pump
21-yardage counter, 22-pressure gauge, 23-pressure transducer
53-the import of 51-spool, 52-spring guides room
54-outlets direct room, 55-filler opening, 56-oil outlet
57-oil drain out.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
embodiment one.
As shown in Figure 2, a kind of hydraulic power control gear of the present utility model, comprise actuating motor 11, oil hydraulic pump 13, hydraulic unit driver 4 and servocontroller 3, the output terminal of actuating motor 11 is connected with oil hydraulic pump 13, the oiler of hydraulic unit driver 4 is connected with inducting cell, the signal output part of inducting cell is connected with servocontroller 3 electrical signal, and servocontroller 3 is connected with actuating motor 11 electrical signal; Described oil hydraulic pump 13 is provided with the reverse purge valve 5 for cutting off or be communicated with oil hydraulic pump 13 and the connection of hydraulic unit driver 4, reverse purge valve 5 is provided with filler opening 55, oil outlet 56 and oil drain out 57, filler opening 55 is communicated with the oil outlet end of oil hydraulic pump 13, oil outlet 56 is communicated with hydraulic unit driver 4, and oil drain out 57 is connected with drain line 7.
Concrete, during the work of hydraulic power control gear, first oil hydraulic pump 13 rotates forward, pressure oil flows to the reverse purge valve 5 that oil hydraulic pump 13 is installed, the filler opening 55 making reverse purge valve 5 arrange when the pressure of pressure oil rises to enough large is communicated with oil outlet 56, thus oil hydraulic pump 13 is communicated with hydraulic unit driver 4, and then the pressure oil that oil hydraulic pump 13 is exported is flowed directly in hydraulic unit driver 4 by reverse purge valve 5, realizes for the operation of a machine, when needing the pressure reducing hydraulic unit driver 4, servocontroller 3 can send reverse or deceleration instruction to actuating motor 11, actuating motor 11 drives oil hydraulic pump 13 to be decelerated to and stops operating and start to reverse, because of internal leakage, pressure is declined rapidly when oil hydraulic pump 13 is decelerated to the pressure oil of moment in oil hydraulic pump 13 stopped operating, thus cut off the filler opening 55 of reverse purge valve 5 setting and the connection of oil outlet 56, simultaneously, connect oil outlet 56 and the oil drain out 57 of the setting of reverse purge valve 5, and then make the pressure oil in hydraulic unit driver 4 flow to drain line 7 by the oil drain out 57 of reverse purge valve 5 to discharge, therefore pressure in hydraulic unit driver 4 quickly fall to desired value, and when inducting cell detects that the pressure of hydraulic unit driver 4 drops to below desired value, servocontroller 3 can send rotating forward instruction to actuating motor 11 again, actuating motor 11 can drive again oil hydraulic pump 13 to rotate forward pressure oil output, periodic duty like this.
In the present embodiment, the inside of described reverse purge valve 5 is provided with spool 51 and spring 52, and spool 51 abuts with spring 52, the both sides of reverse purge valve 5 are respectively arranged with import and guide room 53 and outlets direct room 54, during specific works, oil hydraulic pump 13 rotates forward, and pressure oil flows to the spool 51 of reverse purge valve 5, and Compress Spring 52 makes spool 51 move and connects filler opening 55 and oil outlet 56, thus the pressure oil making oil hydraulic pump 13 export flow to hydraulic unit driver 4, for machine run through reverse purge valve 5, when needing the pressure reducing hydraulic unit driver 4, servocontroller 3 can send reverse or deceleration instruction to actuating motor 11, actuating motor 11 can drive oil hydraulic pump 13 to be decelerated to stop and reversing, because reverse purge valve 5 is directly installed on oil hydraulic pump 13, the pipeline that oil hydraulic pump 13 is connected to reverse purge valve 5 is very short, the volume being in the pressure oil of pressure is very little, generally this pressure oil capacity is less than 200ml, the decrement of pressure oil in high pressure 17.5Mpa situation only has 0.6%, the pressure oil of discharging is needed to be less than 1.2ml so pressure will be reduced, when oil hydraulic pump 13 be decelerated to stop operating or start to reverse time, this section of pipeline makes pressure decline rapidly because of internal leakage, thus make import guide the pressure of the pressure ratio outlets direct room 54 of room 53 low, spring 52 makes spool 51 move, thus cut off the connection of filler opening 55 and oil outlet 56, connect oil outlet 56 and oil drain out 57 simultaneously, the pressure oil in hydraulic unit driver 4 is made to drain into oil drain out 57 by spool 51, therefore pressure in hydraulic unit driver 4 promptly drop to desired value, work is carried out in circulation like this, thus realize reducing the reverse even avoiding oil hydraulic pump 13, and then minimizing oil hydraulic pump 13 breaks down, ensure reliability when oil hydraulic pump 13 and actuating motor 11 work, extend the working life of oil hydraulic pump 13 and actuating motor 11.
In the present embodiment, described inducting cell comprises pressure transducer 23 and is installed on the yardage counter 21 of actuating motor 11; Concrete, when pressure transducer 23 detects that pressure has dropped to below desired value or desired value, servocontroller 3 can send rotating forward instruction to actuating motor 11, yardage counter 21 detects the speed of actuating motor 11 and feeds back to servocontroller 3, and oil hydraulic pump 13 can be driven to rotate forward for actuating motor 11 thus output order required pressure is oily; When pressure rises to certain force value, spring 52 makes spool 51 move and connect filler opening 55 and oil outlet 56, the pressure oil that oil hydraulic pump 13 is exported flow to hydraulic unit driver 4 through reverse purge valve 5, controls target pressure value by controlling the rotating speed of actuating motor 11; In addition, the volume guiding room 53 and outlets direct room 54 due to import is equal, and the thrust promoting spool 51 produces pressure difference by spring 52 thrust, and this pressure difference is usually less than 0.15Mpa.When working pressure maintains desired value for a long time, the pressure difference produced by spring 52 thrust makes the pressure oil of hydraulic unit driver 4 be expelled to oil drain out 57 with very low pressure difference, and this oily flow is less than 1000ml/min usually.Oil hydraulic pump 13 is discharged by this oil extraction because of the heat making internal leakage and the mechanical friction that rotates for a long time under being in pressure and produce; and then oil hydraulic pump 13 can not to be rotated and overheated under stress because of long-time; oil hydraulic pump 13 is played a protective role, extends the working life of oil hydraulic pump 13 and actuating motor 11.
In the present embodiment, described reverse purge valve 5 is connected with pressure gauge 22, and the force value size in the hydraulic unit driver 4 that pressure gauge 22 real-time display pressure transducer 23 detects, easy-to-operat personal observations, grasps the operation of a machine situation in real time, ensures to keep the safety in production.
In the present embodiment, the oil inlet end of described oil hydraulic pump 13 is connected with oil purifier 12, and pressure oil just enters in oil hydraulic pump 13 through the filtration of oil purifier 12, there is impurity as far as possible and cause mechanical wounding to oil hydraulic pump 13 etc. in minimizing pressure oil, guarantee normal operation such as oil hydraulic pump 13 grade, reduce the rate of fault of equipment.
In the present embodiment, described hydraulic power control gear also comprises fuel tank 1, and oil purifier 12 and drain line 7 are all communicated with described fuel tank 1; The setting of fuel tank 1, on the one hand for oil hydraulic pump 13 provides pressure oil, unloads force feed on the other hand in recyclable hydraulic unit driver 4, avoids the waste of pressure oil, reduce the oil consumption cost of equipment operation.
In the present embodiment, the controlling party that described hydraulic unit driver 4 comprises a group or more to element, oil hydraulic cylinder and pipeline, controlling party to element can be various directional control valve, oil hydraulic cylinder can also be replaced with oil hydraulic motor, the pressure oil that oil hydraulic pump 13 exports enters in oil hydraulic cylinder, then by each controlling party to the trend of element pilot pressure oil, and then realize whole the operation of a machine.
embodiment two.
The difference of the present embodiment and embodiment one is, is connected with direct acting type relief valve 6 between described oil outlet 56 and oil drain out 57; Concrete, due to the inertia of actuating motor 11 and oil hydraulic pump 13, the size of servocontroller 3 and the overload capacity of actuating motor 11 make oil hydraulic pump 13 not follow instruction and stop instantaneously or reverse instantaneously, therefore, oil hydraulic pump 13 can produce the spike pressure doubled than rated pressure, not only make oil hydraulic pump 13 and actuating motor 11 produce fault, the pipeline in system also can be caused easily to break; The direct acting type relief valve 6 installed in the present embodiment can be used for eliminating this spike pressure; when working pressure exceedes the 0.5MPa of rated pressure; direct-acting overflow valve meeting automatic opening; under maximum pressure pressure being maintained allow; thus protection oil hydraulic pump 13 and actuating motor 11 can not momentary overloads; significantly reduce the rate of fault of oil hydraulic pump 13 and actuating motor 11, thus extend the working life of oil hydraulic pump 13 and actuating motor 11.
The remaining part of the present embodiment is identical with embodiment one, in the present embodiment unaccounted feature, all adopts the explanation of embodiment one, no longer repeats here.
Known the utility model has and can realize reducing the reverse even avoiding oil hydraulic pump 13 in sum, and then minimizing oil hydraulic pump 13 breaks down, ensure reliability when oil hydraulic pump 13 and actuating motor 11 work, extend the good characteristic in the working life of oil hydraulic pump 13 and actuating motor 11, made it in use, such as, promote the usefulness do not had in conventional art when being applied to plastic molding press, metal die-casting machine and Pressesforging etc. and there is practicability, becoming the novel product structure that has use value.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (1)
1. a hydraulic power control gear, comprise actuating motor (11), oil hydraulic pump (13), hydraulic unit driver (4) and servocontroller (3), the output terminal of actuating motor (11) is connected with oil hydraulic pump (13), the oiler of hydraulic unit driver (4) is connected with inducting cell, the signal output part of inducting cell is connected with servocontroller (3) electrical signal, and servocontroller (3) is connected with actuating motor (11) electrical signal; It is characterized in that: described oil hydraulic pump (13) is provided with the reverse purge valve (5) for cutting off or be communicated with oil hydraulic pump (13) and the connection of hydraulic unit driver (4), reverse purge valve (5) is provided with filler opening (55), oil outlet (56) and oil drain out (57), filler opening (55) is communicated with the oil outlet end of oil hydraulic pump (13), and oil outlet (56) is communicated with hydraulic unit driver (4).
2
.a kind of hydraulic power control gear according to claim 1, is characterized in that: the inside of described reverse purge valve (5) is provided with spool (51) and spring (52), and spool (51) abuts with spring (52); The both sides of reverse purge valve (5) are respectively arranged with import and guide room (53) and outlets direct room (54).
3
.a kind of hydraulic power control gear according to claim 1, is characterized in that: be connected with direct acting type relief valve (6) between described oil outlet (56) and oil drain out (57).
4
.a kind of hydraulic power control gear according to claim 1, is characterized in that: described inducting cell comprises pressure transducer (23) and is installed on the yardage counter (21) on actuating motor (11).
5
.a kind of hydraulic power control gear according to claim 1, is characterized in that: described reverse purge valve (5) is connected with pressure gauge (22).
6
.a kind of hydraulic power control gear according to claim 1, is characterized in that: described oil drain out (57) is connected with drain line (7).
7
.a kind of hydraulic power control gear according to claim 1, is characterized in that: the oil inlet end of described oil hydraulic pump (13) is connected with oil purifier (12).
8
.a kind of hydraulic power control gear according to claim 7, is characterized in that: also comprise fuel tank (1), and oil purifier (12) is all communicated with described fuel tank (1) with drain line (7).
9
.a kind of hydraulic power control gear according to claim 1, is characterized in that: the controlling party that described hydraulic unit driver (4) comprises a group or more to element, oil hydraulic cylinder and pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420566830.6U CN204239362U (en) | 2014-09-29 | 2014-09-29 | A kind of hydraulic power control gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420566830.6U CN204239362U (en) | 2014-09-29 | 2014-09-29 | A kind of hydraulic power control gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204239362U true CN204239362U (en) | 2015-04-01 |
Family
ID=52768864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420566830.6U Expired - Fee Related CN204239362U (en) | 2014-09-29 | 2014-09-29 | A kind of hydraulic power control gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204239362U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111063237A (en) * | 2019-11-20 | 2020-04-24 | 南通市质量和标准化研究所 | Self-service learning device for enterprise standardized learning |
| CN112984141A (en) * | 2021-03-05 | 2021-06-18 | 新达泵阀股份有限公司 | Flow self-adjusting hydraulic device |
-
2014
- 2014-09-29 CN CN201420566830.6U patent/CN204239362U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111063237A (en) * | 2019-11-20 | 2020-04-24 | 南通市质量和标准化研究所 | Self-service learning device for enterprise standardized learning |
| CN112984141A (en) * | 2021-03-05 | 2021-06-18 | 新达泵阀股份有限公司 | Flow self-adjusting hydraulic device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202062695U (en) | Hydraulic-machine servo-pump control system | |
| US8801407B2 (en) | Hybrid electro-hydraulic power device | |
| CN203018161U (en) | Hydraulic system of double-shaft crusher | |
| CN105214795A (en) | A kind of shear crusher and broken control method thereof | |
| CN209195851U (en) | The all-hydraulic invariable power enclosed drive system of toothed roll crusher | |
| CN203754318U (en) | Crane hoisting hydraulic system and crane | |
| CN104895967B (en) | Control pipeline used for braking system of servo press | |
| CN204239362U (en) | A kind of hydraulic power control gear | |
| CN202141921U (en) | Metal band sawing machine full-automatic control device | |
| CN202401511U (en) | Novel current-limiting control system of excavator | |
| CN102582054A (en) | Power system of large-sized servo injection molding machine | |
| CN203766077U (en) | Intelligent RDF (Refuse Derived Fuel) annular mould forming machine | |
| CN202645426U (en) | Push-and-pull hydraulic system for horizontal directional drilling machine | |
| CN102734353A (en) | Brake hydraulic station, brake device, lifting equipment and engineering machinery | |
| CN103753849A (en) | Intelligent RDF environment former | |
| CN100370115C (en) | Servomotor oil circuit regulating valve assembly of steam turbine regulating system | |
| CN203594061U (en) | Rotation hydraulic control device of excavator movable arm platform | |
| CN202468560U (en) | High-speed punching hydraulic loop of hydraulic punching machine | |
| CN212225638U (en) | Double-power-source opening-closing type double-loop rotor driving system and milling machine | |
| CN210087706U (en) | Hydraulic control device of hydraulic clutch of scraper conveyor | |
| CN211901117U (en) | Hydraulic control system for injection molding machine | |
| CN204592200U (en) | A kind of long-range water supply hydraulic system | |
| CN113110301A (en) | Servo control complete equipment | |
| CN208364387U (en) | It can determine the screw compressor capacity control system of frequency speed-changing operation | |
| CN103352881B (en) | One kind is used for hydraulic power unit of groove machine for end surface of pipeline and configuration method |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150401 |