阅读说明：本技术 一种超高压双作用连续自动增压装置 (A kind of continuous automatic pressure unit of super-pressure double acting ) 是由 李东方 巫少龙 郑海军 桂华良 徐文俊 于 2019-08-14 设计创作，主要内容包括：本发明实施例公开了一种超高压双作用连续自动增压装置,包括低压源管路、缸体、以及两个增压主体,增压主体包括动力腔和增压腔,以及往复杆,往复杆两端均设置有活塞,两个动力腔之间设置有换向阀座,换向阀座的两端设置有双向阀,缸体侧壁上设置有先导阀机构；低压源管路连接两个增压腔,且低压源管路通过管道连接设置在缸体上的主控阀体,主控阀体连接其中一个动力腔,另一个动力腔的侧壁上设置有溢压管和单向管,溢压管连接先导阀机构,增压腔上设置有增压排出管,先导阀机构通过管道连接主控阀体,有效解决了传统的驱动源在过长的管道上的压力分散,产生的换向迟滞,造成动力腔内的压力不均,在超高压的作用下影响往复杆的使用寿命的问题。(The embodiment of the invention discloses a kind of continuous automatic pressure units of super-pressure double acting, including low pressure source pipeline, cylinder body and two pressurization main bodys, being pressurized main body includes power cavity and booster cavity, and reciprocating lever, reciprocating lever both ends are provided with piston, it is provided with commutation valve seat between two power cavities, the both ends for the valve seat that commutates are provided with two-way valve, and guide's valve system is provided on cylinder side wall；Two booster cavities of low pressure source piping connection, and low pressure source pipeline connects the master control valve body being arranged on cylinder body by pipeline, master control valve body connects one of power cavity, excessive pressure pipe and uniguide are provided on the side wall of another power cavity, pressure pipe of overflowing connects guide's valve system, pressurization discharge pipe is provided on booster cavity, guide's valve system connects master control valve body by pipeline, efficiently solve pressure dissipation of traditional driving source on too long pipeline, the commutation of generation is sluggish, cause the pressure in power cavity uneven, the problem of service life of reciprocating lever is influenced under the action of super-pressure.)

1. a kind of continuous automatic pressure unit of super-pressure double acting, which is characterized in that including low pressure source pipeline (10), cylinder body (1), And two pressurization main bodys being arranged in cylinder body (1), the both ends of the pressurization main body are respectively arranged with power cavity (2) and pressurization Chamber (3), and the reciprocating lever (4) being axially mounted in pressurization main body, the reciprocating lever being located in power cavity (2) and booster cavity (3) (4) end is provided with piston, and commutation valve seat (5) is provided between two power cavities (2), commutation valve seat (5) Both ends are provided with two-way valve (6), are right against on the cylinder body (1) side wall of two power cavities (2) and are provided with pilot valve machine Structure (7)；

The low pressure source pipeline (10) connects two booster cavities (3) by pipeline, and the low pressure source pipeline (10) passes through pipeline The master control valve body (8) that connection is arranged on cylinder body (1), the master control valve body (8) connect one of power cavity (2), another Excessive pressure pipe (9) and uniguide (11) are provided on the side wall of the power cavity (2), and the excessive pressure pipe (9) connects pilot valve machine Structure (7), pressurization discharge pipe (12) is provided on the booster cavity (3), and guide's valve system (7) connects main control valve by pipeline Body (8).

2. a kind of continuous automatic pressure unit of super-pressure double acting according to claim 1, which is characterized in that the guide Valve system (7) includes the outer housing (701) being mounted on cylinder body (1), and there are two faces respectively for setting in the outer housing (701) The pilot valve (702) of two power cavities (2), and one end of the pilot valve (702) extends on cylinder body (1) inner wall, institute State and be set on the core bar that pilot valve (702) is located in outer housing (701) spring (703), the pilot valve (702) it is another One end is provided with valve core piston (704), and changing for valve core piston (704) linear motion is provided in the outer housing (701) To cylinder (705), two reversing cylinders (705) are connected to the both ends of master control valve body (8) by connecting pipe (706).

3. a kind of continuous automatic pressure unit of super-pressure double acting according to claim 2, which is characterized in that the cylinder body (1) through hole with pilot valve (702) cooperation is provided on inner wall, and the pilot valve (702) is located inside through hole Core bar on be set with sealing extension rubber gum cover (707), and the end of reciprocating lever (4) is provided with and contacts with Pilot poppet (702) Taper ram (13).

4. a kind of continuous automatic pressure unit of super-pressure double acting according to claim 3, which is characterized in that the piston Including the power piston (14) being located in power cavity (2) and the charged piston (15) being located in booster cavity (3), master control valve body is connected (8) commutation source import A (16) and commutation source import B (17), and the commutation source import A (16) are provided on power cavity (2) Be located at the both ends of power cavity (2) with commutation source import B (17), and the excessive pressure pipe (9) and uniguide (11) respectively with the source of commutation Import A (16) and commutation source import B (17) are corresponding.

5. a kind of continuous automatic pressure unit of super-pressure double acting according to claim 4, which is characterized in that the excessive pressure It is provided with three-way magnetic valve (18) on pipe (9), the three-way magnetic valve (18) is connected to reversing cylinder by changing pressure pipeline (19) (705), it is described change in pressure pipeline (19) to be provided with change pressure valve core (20), the pressure valve core (20) that changes includes and changes pressure pipeline (19) It is fixedly connected with rubber and is nested (201), the rubber is nested in (201) and is provided with floating valve rod (202), the floating valve rod (202) intermediate to be provided with fixed guide circle (203), seal washer (204) are arranged in the both ends of the floating valve rod (202), and institute The diameter for stating seal washer (204) is identical as the internal diameter for changing pressure pipeline (19).

6. a kind of continuous automatic pressure unit of super-pressure double acting according to claim 5, which is characterized in that the commutation Cylinder (705) and rubber are nested changing between (201) and reversing cylinder (705) and fill butter in pressure pipeline (19).

7. a kind of continuous automatic pressure unit of super-pressure double acting according to claim 5, which is characterized in that the threeway Solenoid valve (18) is also connected with relief pipeline (21), and the uniguide (11) connects relief pipeline (21) by pipeline.

8. a kind of continuous automatic pressure unit of super-pressure double acting according to claim 5, which is characterized in that the master control Valve body (8) is using two position and four-way reversing valves.

Technical field

The present embodiments relate to booster technical fields, and in particular to a kind of continuous Automatic-boosting dress of super-pressure double acting It sets.

Background technique

Booster is that low-pressure hydraulic source can be made to obtain the high pressure even pressure of super-pressure, using the hydraulic system of booster Since oil supply pressure is lower and most of Hydraulic Elements are under low pressure effect, to holding for the local devices of hydraulic system Pressure energy power has higher requirement, and traditional hydraulic intensifier is mostly single-acting hydraulic booster, the utilization of its hydraulic oil source Rate is low, and flow pulsation amount is big, and volume is larger, using being restricted.

Traditional double acting continuous hydraulic booster is usually formed by connecting by multiple Hydraulic Elements through pipeline, passes through two four Electric change valve controls the reciprocating motion of pressurized cylinder, and volume is big and more complicated, therefore application is not universal.

Booster and pressure increase device are already existing equipment, but the prior art has some disadvantages, and are now summarized such as Under: existing charger boost multiple is mostly the ratio between size piston area, and pressurization value is smaller；Existing apparatus is integrally complex, knot The compactedness of structure needs to be further increased, and cost needs to be further decreased；The switching of existing booster low pressure chamber and high pressure chest needs More complicated reversing arrangement is used, and traditional booster is unreasonable since power cylinder oil sources path is arranged, so that Pressure dissipation of the oil sources on too long pipeline is driven, the commutation of generation is sluggish, causes the pressure in power cavity uneven, in superelevation The problem of service life of reciprocating lever is influenced under the action of pressure.

Summary of the invention

For this purpose, the embodiment of the present invention provides a kind of continuous automatic pressure unit of super-pressure double acting, traditional opposite direction is increased Depressor structure setting directly acts on two power cavities at parallel construction, and using the two-way valve on inverting seat, avoids traditional The commutation of pressure dissipation of the driving source on too long pipeline, generation is sluggish, causes the pressure in power cavity uneven, in super-pressure Under the action of influence reciprocating lever service life the problem of.

To achieve the goals above, embodiments of the present invention provide the following technical solutions:

A kind of continuous automatic pressure unit of super-pressure double acting, including low pressure source pipeline, cylinder body and setting are in cylinder body Two pressurization main bodys, the both ends of the pressurization main body are respectively arranged with power cavity and booster cavity, and are axially mounted to be pressurized Reciprocating lever in main body, the reciprocating lever end in power cavity and booster cavity are provided with piston, two power cavities it Between be provided with commutation valve seat, the both ends of the commutation valve seat are provided with two-way valve, are right against the cylinder of two power cavities Guide's valve system is provided on body sidewall；

The low pressure source pipeline connects two booster cavities by pipeline, and the low pressure source pipeline is connected by pipeline and is arranged Master control valve body on cylinder body, the master control valve body connect one of power cavity, set on the side wall of another power cavity It is equipped with excessive pressure pipe and uniguide, and the excessive pressure pipe connects guide's valve system, is provided with pressurization discharge pipe, institute on the booster cavity It states guide's valve system and master control valve body is connected by pipeline.

As a preferred solution of the present invention, guide's valve system includes the outer housing being mounted on cylinder body, described There are two the pilot valves of two power cavities of face respectively for setting in outer housing, and one end of the pilot valve extends to cylinder body On inner wall, the pilot valve, which is located on the intracorporal core bar of shell, is set with spring, and the other end of the pilot valve is provided with Valve core piston, and the reversing cylinder for valve core piston linear motion is provided in the outer housing, two reversing cylinders pass through company Adapter tube road is connected to the both ends of master control valve body.

As a preferred solution of the present invention, the through hole with pilot valve cooperation is provided on the inboard wall of cylinder block, And the pilot valve is located on the core bar inside through hole and is set with sealing extension rubber gum cover, and the end of reciprocating lever is provided with The taper contacted with Pilot poppet is ramed.

As a preferred solution of the present invention, the piston includes the power piston in the power cavity and is located at pressurization Charged piston in chamber connects and is provided with commutation source import A and commutation source import B on the power cavity of master control valve body, and described changes Be located at the both ends of power cavity to source import A and commutation source import B, and the excessive pressure pipe and uniguide respectively with the source import A that commutates It is corresponding with commutation source import B.

As a preferred solution of the present invention, three-way magnetic valve, the three-way magnetic valve are provided in the excessive pressure pipe Be connected to reversing cylinder by changing pressure pipeline, it is described change in pressure pipeline to be provided with change pressure valve core, the pressure valve core that changes includes and changes pressure Pipeline is fixedly connected in rubber is nestable, and the rubber is nestable and is provided with floating valve rod, is provided with fixation among the floating valve rod Guide collar, the both ends setting seal washer of the floating valve rod, and the diameter of the seal washer and the internal diameter phase for changing pressure pipeline Together.

As a preferred solution of the present invention, the reversing cylinder and rubber, which are nested, changes pressure pipeline between reversing cylinder Inside fill butter.

As a preferred solution of the present invention, the three-way magnetic valve is also connected with relief pipeline, and the uniguide is logical Piping connects relief pipeline.

As a preferred solution of the present invention, the master control valve body is using two position and four-way reversing valves.

Embodiments of the present invention have the advantages that

The present invention is set two pressurized cylinders by the symmetrical structure of the traditional hydraulic dual-action continuous automatic supercharger of change side by side It sets, reduces the axial length and its occupancy to space of booster.

Traditional opposite supercharger structure is arranged to parallel construction by the present invention, and direct using the two-way valve on inverting seat Two power cavities are acted on, pressure dissipation of traditional driving source on too long pipeline is avoided, the commutation of generation is sluggish, causes The problem of pressure in power cavity is uneven, and the service life of reciprocating lever is influenced under the action of super-pressure.

The present invention on power cavity by being arranged overflow pressure pipe and connecting pipe, while realizing the circulation in internal liquid source, To the power compensation that pilot mechanism commutates, the timeliness of the oil liquid conduction in power cavity and reversal valve is effectively guaranteed.

Detailed description of the invention

It, below will be to embodiment party in order to illustrate more clearly of embodiments of the present invention or technical solution in the prior art Formula or attached drawing needed to be used in the description of the prior art are briefly described.It should be evident that the accompanying drawings in the following description is only It is merely exemplary, it for those of ordinary skill in the art, without creative efforts, can also basis The attached drawing of offer, which is extended, obtains other implementation attached drawings.

Structure depicted in this specification, ratio, size etc., only to cooperate the revealed content of specification, for Those skilled in the art understands and reads, and is not intended to limit the invention enforceable qualifications, therefore does not have technical Essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the function of the invention that can be generated Under effect and the purpose that can reach, should all still it fall in the range of disclosed technology contents obtain and can cover.

Fig. 1 is the automatic pressure unit structural schematic diagram provided in embodiment of the present invention；

Fig. 2 is to change pressure pipeline schematic diagram of internal structure in embodiment of the present invention.

In figure:

1- cylinder body；2- power cavity；3- booster cavity；4- reciprocating lever；5- commutation valve seat；6- two-way valve；7- guide's valve system；8- Master control valve body；9- overflows pressure pipe；10- low pressure source pipeline；11- uniguide；12- is pressurized discharge pipe；13- taper fills head；14- power is living Plug；15- charged piston；16- commutation source import A；17- commutation source import B；18- three-way magnetic valve；19- changes pressure pipeline；20- is changed Pressure valve core；21- relief pipeline；

201- rubber is nestable；202- floating valve rod；203- fixed guide circle；204- seal washer；

701- outer housing；702- pilot valve；703- spring；704- valve core piston；705- reversing cylinder；706- connecting tube Road；707- seals extension rubber gum cover.

Specific embodiment

Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation Content disclosed by book is understood other advantages and efficacy of the present invention easily, it is clear that described embodiment is the present invention one Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.

As depicted in figs. 1 and 2, the present invention provides a kind of continuous automatic pressure units of super-pressure double acting, including low pressure Source capsule road 10, cylinder body 1 and two pressurization main bodys being arranged in cylinder body 1 are continuously increased automatically by the double acting for changing traditional Two pressurized cylinders are set side by side the symmetrical structure of depressor, reduce the axial length and its occupancy to space of booster.

The both ends of pressurization main body are respectively arranged with power cavity 2 and booster cavity 3, and are axially mounted to past in pressurization main body Compound lever 4,4 end of reciprocating lever in power cavity 2 and booster cavity 3 are provided with piston, are provided with and change between two power cavities 2 The both ends of valve seat 5, the valve seat 5 that commutates are provided with two-way valve 6, valve seat 5 is connected between two power cavities 2 by commutating, and is led to It crosses two two-way valves 6 and realizes moving in circles for driving source in two power cavities 2, so that the driving source in power cavity 2 requires no The commutation again of control valve regulates and controls, so that the stroke of driving source is shorter, drive efficiency is higher.

The hydraulic drive source beginning due to entering power cavity 2 by low pressure source pipeline 10 fills in power cavity 2, and only two It is recycled between a power cavity 2, avoids traditional double-acting supercharger when carrying out the ringing of power cavity by low pressure source, It also needs to arrange in low-voltage driving source and store up, Recovery and recycle, while also avoiding traditional booster and needing to be driven using pressurizer tank The pressure stabilizing in dynamic source.

It is right against on 1 side wall of cylinder body of two power cavities 2 and is provided with guide's valve system 7；

Low pressure source pipeline 10 connects two booster cavities 3 by pipeline, and low pressure source pipeline 10 is existed by pipeline connection setting Master control valve body 8 on cylinder body 1, master control valve body 8 connect one of power cavity 2, are provided on the side wall of another power cavity 2 excessive Pressure pipe 9 and uniguide 11, and pressure pipe 9 of overflowing connects guide's valve system 7, and pressurization discharge pipe 12, pilot valve machine are provided on booster cavity 3 Structure 7 connects master control valve body 8 by pipeline.

Piston includes the power piston 14 in power cavity 2 and the charged piston 15 in booster cavity 3, connects master control Be provided on the power cavity 2 of valve body 8 commutation source import A16 and commutation source import B17, and commutate source import A16 and commutation source into Mouthful B17 is located at the both ends of power cavity 2, and overflow pressure pipe 9 and uniguide 11 respectively with commutation source import A16 and the source import B17 that commutates It is corresponding.

At work, the low pressure source in low pressure source pipeline 10 enters two booster cavities 3, and low pressure source by pipeline to the present invention Check valve is provided on pipeline between pipeline 10 and booster cavity 3, while the low pressure source in part low pressure source pipeline 10 passes through pipe Road enters master control valve body 8, and by commutation source import A16 and commutation source import B17, by master control valve body 8 control low pressure source by Commutation source import A16 or commutation source import B17 enter in one of power cavity 2, and master control valve body 8 controls low pressure source by source of commutating Import A16 or commutation source import B17 realize commutation when entering.

Traditional opposite supercharger structure is arranged to parallel construction, and is directly acted on using the two-way valve 6 on inverting seat 5 Two power cavities 2 avoid pressure dissipation of traditional driving source on too long pipeline, and the commutation of generation is sluggish, causes to move The problem of pressure in power chamber 2 is uneven, and the service life of reciprocating lever 4 is influenced under the action of super-pressure.

Guide's valve system 7 includes the outer housing 701 being mounted on cylinder body 1, and there are two faces respectively for setting in outer housing 701 The pilot valve 702 of two power cavities 2, and one end of pilot valve 702 extends on 1 inner wall of cylinder body, pilot valve 702 is located at Spring 703 is set on core bar in outer housing 701, the other end of pilot valve 702 is provided with valve core piston 704, and shell The reversing cylinder 705 to move along a straight line for valve core piston 704 is provided in body 701, two reversing cylinders 705 are divided by connecting pipe 706 It is not connected to the both ends of master control valve body 8.

The present invention on power cavity by being arranged overflow pressure pipe and connecting pipe, while realizing the circulation in internal liquid source, To the power compensation that pilot mechanism commutates, the timeliness of the oil liquid conduction in power cavity and reversal valve is effectively guaranteed.

The through hole cooperated with pilot valve 702 is provided on 1 inner wall of cylinder body, and pilot valve 702 is located in through hole Sealing extension rubber gum cover 707 is set on the core bar in portion, and the end of reciprocating lever 4 is provided with the cone contacted with Pilot poppet 702 Shape rams 13.

The power piston 14 of two pressurization main bodys moves back and forth under the action of low pressure source, when moving to stroke maximum, Taper is ramed 13 contact pilot valves 702, so that valve core piston 704 moves in reversing cylinder 705, and then pushes reversing cylinder 705 In oil sources enter in master control valve body 8, realize active valve body 8 power input, and then push master control valve body 8 control low pressure source it is defeated Enter the commutation in power cavity 2.

Three-way magnetic valve 18 is also connected with relief pipeline 21, and uniguide 11 connects relief pipeline 21 by pipeline, works as low pressure When power linking in source, booster cavity and pressurization exclusion chamber is unstable, superfluous or negative pressure will be generated in power cavity 2, works as power When superfluous, the extra driving source in the power cavity 2 of excessive 9 side of pressure pipe will be excluded by relief pipeline 21, be located at and be overflow When driving force in the power cavity 2 of 9 side of pressure pipe is inadequate, it will be supplemented by uniguide 11 into power cavity 2, and pass through guiding Pipe 11 connect the outer loop that pressure pipe 9 of overflowing forms power source with relief pipeline 21, forms the pressure stabilizing to the driving source in power cavity 2 Effect.

It is provided with three-way magnetic valve 18 in pressure pipe 9 of overflowing, three-way magnetic valve 18 is connected to reversing cylinder by changing pressure pipeline 19 705, it changes in pressure pipeline 19 to be provided with and changes pressure valve core 20, changing pressure valve core 20 includes that be fixedly connected with rubber nestable with pressure pipeline 19 is changed 201, rubber is nested in 201 and is provided with floating valve rod 202, and fixed guide circle 203, float trap are provided among floating valve rod 202 Seal washer 204 is arranged in the both ends of bar 202, and the diameter of seal washer 204 is identical as the internal diameter for changing pressure pipeline 19.

When the pressure surplus in power cavity 2, opens three-way magnetic valve 18 and partial pressure is passed by changing pressure valve core 20 It is handed in reversing cylinder 705, the real-time pressure being pressurized in reversing cylinder 705 accelerates the commutation process of master control valve body 8, to reduce dynamic The duration of single cycle in power chamber 2 avoids the 2 single cycle mesohigh retention time of power cavity too long, so that Power cavity 2 can the continuous operation in super-high pressure work, extend cylinder body 1 service life.

Exchange the extruding of pressure valve core 20 by power source in power cavity 2, floating valve rod 202 is to 705 1 sidesway of reversing cylinder It is dynamic, enter in reversing cylinder 705 to push and change oil sources in pressure pipeline 19, and then increase the pressure in reversing cylinder 705.

Changing in pressure pipeline 19 between reversing cylinder 705 and rubber nestable 201 and reversing cylinder 705 fills butter.

Master control valve body 8 using two position and four-way reversing valves, provide the driving of power cavity 2 is entered to low pressure source when, Interface abundant is also provided, it can be achieved that switching when to different pressures demand, to excessive pressure pipe 9 or uniguide 11.

Although above having used general explanation and specific embodiment, the present invention is described in detail, at this On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore, These modifications or improvements without departing from theon the basis of the spirit of the present invention are fallen within the scope of the claimed invention.