CN203410041U - High-precision strength hydraulic machine - Google Patents
High-precision strength hydraulic machine Download PDFInfo
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- CN203410041U CN203410041U CN201320469006.4U CN201320469006U CN203410041U CN 203410041 U CN203410041 U CN 203410041U CN 201320469006 U CN201320469006 U CN 201320469006U CN 203410041 U CN203410041 U CN 203410041U
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Abstract
The utility model discloses a high-precision strength hydraulic machine, and belongs to the technical field of hydraulic equipment. The high-precision strength hydraulic machine disclosed by the utility model comprises a framework body, wherein the middle of the framework body is a working region, a hydraulic cylinder is arranged above the working region, the rear part of the framework body is provided with a hydraulic pressure station, and the hydraulic pressure station and a hydraulic cylinder are communicated with a feed liquid; the front part of the framework body is provided with an electric control cabinet, and the electric control cabinet is connected with and can control the hydraulic pressure station. The high-precision strength hydraulic machine disclosed by the utility model has the advantages that the structure is simple, the operation is simple and convenient, the transportation and use are convenient and rapid, the hydraulic cylinder, a feed liquid station and a control cabinet are integrated, the structure of the hydraulic machine is compact, the volume is small, the occupation of land is small, and the high-precision strength hydraulic machine is suitable for requirements of factories positioned on a floor and is convenient for the production layout of a production line.
Description
Technical field
The utility model relates to a kind of hydraulic test, particularly a kind of pocket hydraulic test.
Background technology
At present, the press more than conventional 70MPa using, because the pressure producing is large, make the profile of hydraulic cylinder large, volume weight, therefore the liquid measure that needs liquid supply station to provide is larger, and it is separate making between hydraulic cylinder and liquid supply station, switch board, and connect by pipeline, its transportation and use extremely inconvenience, particularly in factory upstairs.
Utility model content
Goal of the invention of the present utility model is: for the problem of above-mentioned existence, a kind of simple in structure, easy and simple to handle, transportation and high-precision strong hydraulic machine convenient to use are provided, hydraulic cylinder, liquid supply station and switch board are combined together, make the compact conformation of this press, volume is little, take up an area littlely, the factory that is applicable to be positioned at is upstairs required, the production layout of the streamline of being more convenient for.
The technical solution adopted in the utility model is as follows:
High-precision strong hydraulic machine of the present utility model, comprises frame body, and the middle part of described frame body is that the top of ， working region, working region is provided with hydraulic cylinder, and the rear portion of its mid frame body is made as Hydraulic Station, and described Hydraulic Station is communicated with feed flow with hydraulic cylinder; The front portion of frame body is made as electrical control cubicles, and described electrical control cubicles connects and controls Hydraulic Station.
Owing to having adopted said structure, electrical control cubicles is positioned at the front portion of frame body, is convenient to store, use and overhaul; And the Hydraulic Station of power source is provided, and be just positioned at the rear portion of this frame body, leave user far away, thereby make the running noise of Hydraulic Station little, shake light little effect on the human body; Main the utility model that is combines hydraulic cylinder, liquid supply station and switch board together dexterously, and carry out the layout of close-coupled, make the small volume of whole press, take up an area little, and lightweight, thereby greatly drip the scope of application that has increased this press, for example required applicable to the factory being positioned at upstairs, the production layout of the streamline of being more convenient for; Transportation simultaneously waits very convenient and swift.In addition, a plurality of adjustable stations pin can be set in the bottom of high-precision strong hydraulic machine of the present utility model, can to the height of press, adjust according to actual needs, thereby meet the actual requirement of using.
High-precision strong hydraulic machine of the present utility model, described hydraulic cylinder is positioned at the top, middle part of working region, is also provided with electric-controlled plate above working region, and described electric-controlled plate is connected in electrical control cubicles.
Hydraulic cylinder is mainly in working region, workpiece to be processed, so directly over the middle part of the Ji Shi working region, optimum position of hydraulic cylinder, thereby while guaranteeing that hydraulic cylinder is made power to workpiece, whole press stress equalization, guarantees its Stability Analysis of Structures; Above working region, be also provided with electric-controlled plate simultaneously; described electric-controlled plate is connected in electrical control cubicles; this electric-controlled plate is mainly to realize the control to Hydraulic Station by electrical control cubicles; and can there is demonstration to the overall process of press on this electric-controlled plate; digital record; storage, sets, and makes the whole course of work have monitoring and safeguard protection.
High-precision strong hydraulic machine of the present utility model, the front portion of described frame body is automatically controlled, described electrical control cubicles is positioned at automatically controlled; The middle part of described frame body is middle frame, and working region is positioned at the window on middle frame, and described hydraulic cylinder is positioned at the crown center of window; The rear portion of described frame body is hydraulic pressure frame, and described Hydraulic Station is positioned at hydraulic pressure frame, and described automatically controlled, middle frame and hydraulic pressure frame are monolithic construction or are connected to become integral body.
The utility model is mainly that hydraulic cylinder, liquid supply station and switch board are combined together dexterously, and carry out the layout of close-coupled, therefore frame body can be made to monolithic construction, also can be designed as a plurality of support bodys and be spliced into all-in-one-piece structure, the end face of automatically controlled and hydraulic pressure frame is all lower than the plane of working region especially, thereby it is larger that this working region can be made, especially, on middle frame, be provided with window, the bottom of this window is workbench very, the crown center position of this window is hydraulic cylinder, thereby is convenient to the processing of whole press to workpiece.
High-precision strong hydraulic machine of the present utility model is provided with electric-controlled plate on the front end face of middle frame.
Owing to having adopted said structure, electric-controlled plate is located on the front end face of middle frame, thereby be convenient to user, over against this electric-controlled plate, operate, make its operation very easy, convenient to use.
High-precision strong hydraulic machine of the present utility model, described hydraulic cylinder comprises master cylinder body, is provided with the kicker cylinder cylinder body of the master cylinder plunger piston of inner chamber, tubulose, the seal box of the plunger inner sleeve of tubulose, tubulose, the plunger that is provided with inner chamber and end cap; The outer wall of wherein said master cylinder plunger piston and the inner wall sealing of master cylinder body form main liquid cavity, and described master cylinder body is provided with the inlet opening that is communicated with main liquid cavity; One end of described kicker cylinder cylinder body is fixed on master cylinder body and is connected with end cap, and the other end stretches in main liquid cavity, is provided with the seal with the movable sealing of plunger outer wall at this end place; One end of described plunger is fixed on master cylinder plunger piston, and the other end stretches in the kicker cylinder cylinder body in master cylinder plunger piston and is threadedly connected on seal box, the inner wall sealing of the outer wall of described seal box and kicker cylinder cylinder body and can relative sliding; One end of described plunger inner sleeve is fixed on end cap, and the other end stretches in plunger through seal box, establishes and be communicated with the inside and outside liquid pass hole of plunger on the sidewall of described plunger cavity.
In use, can pressure liquid be fed in main liquid cavity by inlet opening, because main liquid cavity is by sealing and form between the outer wall of master cylinder plunger piston and the inwall of master cylinder body, pressure liquid is piled up and is produced larger pressure continuously in main liquid cavity, this pressure can promote master cylinder plunger piston and skid off with respect to master cylinder body, the outer face of master cylinder plunger piston can act on workpiece, when master cylinder plunger piston skids off from master cylinder body, drive the plunger connecting on it to slide with respect to kicker cylinder cylinder body, now, pressure liquid in kicker cylinder cylinder body can be discharged from plunger inner sleeve, thereby make the pressure liquid in kicker cylinder cylinder body can not bring any resistance to sliding of master cylinder plunger piston, now plunger drives the seal box connecting on its end to slide with respect to kicker cylinder cylinder body, because plunger sidewall is provided with liquid pass hole, the inside and outside connection of plunger is circulated, when seal box slides with respect to kicker cylinder cylinder body, gap between plunger and kicker cylinder cylinder body changes at any time, meanwhile the gap between plunger and plunger inner sleeve is also to change at any time, but between plunger and kicker cylinder cylinder body, gap summation between plunger and plunger inner sleeve remains unchanged, thereby master cylinder plunger piston can freely be slided and to workpiece work with respect to kicker cylinder cylinder body.Master cylinder plunger piston slides while needing backhaul to extreme position, by in logical plunger inner sleeve in the inner chamber of plunger, feed pressure liquid, this pressure liquid is full of rapidly the inside and outside gap of plunger, pressure liquid in main liquid cavity is discharged from inlet opening simultaneously, thereby make the pressure liquid in main liquid cavity can not bring any resistance to backhaul, now the pressure in kicker cylinder cylinder body is greater than the pressure in the main liquid cavity outside kicker cylinder cylinder body, and require the gap between plunger and kicker cylinder cylinder body to be greater than the gap between plunger and plunger inner sleeve, thereby the power that pressure liquid is acted on seal box is greater than the power acting on plunger, thereby making pressure liquid can promote seal box slides with respect to kicker cylinder cylinder body, the slip of seal box can drive plunger and master cylinder plunger piston with respect to kicker cylinder cylinder body, to do the slip of backhaul, thereby realize the backhaul of this hydraulic cylinder.As can be seen here, high-precision strong hydraulic machine of the present utility model, inlet opening is mainly used in the feed flow of main stroke and the discharge opeing of backhaul; And plunger inner sleeve is mainly used in the feed flow of discharge opeing and the backhaul of main stroke, visible the utility model is combined as a whole main stroke working cylinder and backhaul working cylinder, makes its compact conformation, volume is little, lightweight, only need to adopt two liquid pipes can realize the control to this hydraulic cylinder, make easy and simple to handle, easy to use, and can produce larger pressure, good airproof performance, and volume is little lightweight, running noise is little, shakes light little effect on the human body.
High-precision strong hydraulic machine of the present utility model, in described seal box, be provided with discharging tube, the inner spout place of described discharging tube is provided with stifled soldering tip and spin seals, the outer mouth of pipe place of described discharging tube is provided with screw plug, between the inwall of described kicker cylinder cylinder body and the outer wall of plunger, the inside of the inwall of plunger and the outer wall of plunger inner sleeve and plunger inner sleeve forms back to the fluid chamber, wherein discharging tube is also communicated with this back to the fluid chamber.
Owing to having adopted said structure, this hydraulic cylinder in use, can exist air foam etc. to get rid of in pressure liquid, due to the top of inlet opening in main liquid cavity, the air in the pressure liquid of main liquid cavity can be discharged from inlet opening, and in logical plunger inner sleeve extend in plunger, when pressure liquid is after plunger inner sleeve is pressed into plunger, air in pressure liquid can flow to the top in plunger from plunger inner sleeve, and cannot from plunger inner sleeve, discharge again, therefore the discharge that blast pipe carries out gas in pressure liquid need to be set specially, the utility model is provided with dexterously for discharging the discharging tube of air in seal box, all these discharging tubes need to and the inwall of kicker cylinder cylinder body and the outer wall of plunger between, the inwall of plunger is communicated with the back to the fluid chamber that the outer wall of plunger inner sleeve and the inside of plunger inner sleeve form, because seal box is positioned at the top of back to the fluid chamber, therefore air can enter into discharging tube from back to the fluid chamber, outer mouth of pipe place at discharging tube is provided with screw plug, when needs are exitted, can open this screw plug, by the Bas Discharged in liquid, for the ease of processing, discharging tube is through-pipe structure, therefore at inner spout, be positioned on the sidewall of seal box, need to carry out shutoff, can adopt stifled soldering tip and spin to carry out sealing blocking, avoid liquid to leak from this discharging tube.High-precision strong hydraulic machine of the present utility model, can carry out quickly and easily the eliminating of air, therefore it should be noted that: in order to make all other in back to the fluid chamber enter into discharging tube, therefore liquid pass hole need be located to the top in gap between plunger and kicker cylinder cylinder body, also be that liquid pass hole is just located at the position below the bottom of seal box, due between seal box and kicker cylinder cylinder body, be threaded, relative position relation is constant, therefore the liquid pass hole top in gap between plunger and kicker cylinder cylinder body all the time, thus be convenient to the Bas Discharged in liquid.
High-precision strong hydraulic machine of the present utility model, on the outer wall of master cylinder plunger piston, be provided with the sealing of master cylinder plunger piston O type, in the end of described master cylinder plunger piston, be provided with the sealing of master cylinder plunger piston L-type and master cylinder plunger piston sealing clamp, described master cylinder plunger piston sealing clamp is connected on master cylinder plunger piston and limits the sealing of master cylinder plunger piston L-type, makes the outer wall of master cylinder plunger piston and the inwall of master cylinder body form sealing.
Owing to having adopted said structure, sealing between master cylinder plunger piston and master cylinder body is to rely on master cylinder plunger piston to be provided with master cylinder plunger piston O type and master cylinder plunger piston L-type sealing realization, wherein the sealing of master cylinder plunger piston L-type is positioned at the end of master cylinder plunger piston, the L-shaped structure of its section, end at master cylinder plunger piston is also provided with master cylinder plunger piston sealing clamp, this master cylinder plunger piston sealing clamp is bolted on the end of master cylinder plunger piston, and the sealing of master cylinder plunger piston L-type is pushed down, avoid the sealing of master cylinder plunger piston L-type to slide, while guaranteeing between the inwall shape of master cylinder plunger piston and master cylinder body relative sliding, there is good sealing effectiveness.
High-precision strong hydraulic machine of the present utility model, inner wall of end at described kicker cylinder cylinder body is provided with the sealing of kicker cylinder L-type, sealing ring and kicker cylinder end face gland, described kicker cylinder end face gland is fixedly connected on the sealing of ends restrict kicker cylinder L-type and the sealing ring of kicker cylinder cylinder body, makes the sealing of kicker cylinder L-type and seal ring set form movable sealing in the outer wall of plunger.
Because kicker cylinder cylinder body is hollow structure, after in plunger extend into kicker cylinder cylinder body, need to sealing will be formed between plunger and kicker cylinder cylinder body, therefore in the end of kicker cylinder cylinder body, hermetically-sealed construction is set, sealing structure mainly comprises the sealing of kicker cylinder L-type, sealing ring and kicker cylinder end face gland, wherein kicker cylinder L-type sealing, sealing ring is located on the inwall of kicker cylinder cylinder ends successively, on the end of kicker cylinder cylinder body, bolt is connected with kicker cylinder end face gland simultaneously, this kicker cylinder end face gland is mainly used in pushing down the sealing of kicker cylinder L-type and sealing ring, sealing effectiveness while guaranteeing relative sliding between plunger and kicker cylinder cylinder body, thereby guarantee between the main stroke cylinder in this hydraulic cylinder and kicker cylinder, to separate, guarantee the result of use of this hydraulic cylinder.
High-precision strong hydraulic machine of the present utility model, the outer wall of described seal box is provided with three row's seal box O RunddichtringOs, make to form movable sealing between the outer wall of seal box and the inwall of kicker cylinder cylinder body, described seal box inner sleeve has inner sleeve O RunddichtringO, make to form movable sealing between the inwall of seal box and the outer wall of plunger inner sleeve, the end being threaded with seal box at described plunger is provided with plunger end face O RunddichtringO.
When kicker cylinder being separated with the external world due to seal box, will be in kicker cylinder cylinder body relative sliding, therefore need to control the sealing between its outer wall and kicker cylinder cylinder body, this outer wall that is in seal box is provided with three row's seal box O RunddichtringOs, makes to form movable sealing between the outer wall of seal box and the inwall of kicker cylinder cylinder body; In sealing box, also have plunger inner sleeve to stretch into simultaneously, and can relative sliding between seal box and plunger inner sleeve, also need to seal, therefore inner sleeve O RunddichtringO is set in the top position of discharging tube, by the outside seal of the inside of seal box and seal box, make to form movable sealing between the inwall of seal box and the outer wall of plunger inner sleeve; Meanwhile, exhaust effect in order to ensure discharging tube, avoid being threaded between seal box and plunger to leak simultaneously, the end that therefore need to be threaded with seal box at described plunger is provided with plunger end face O RunddichtringO, thereby guarantee the sealing property of whole hydraulic cylinder, can bear higher pressure.
High-precision strong hydraulic machine of the present utility model, described hydraulic cylinder comprises master cylinder body, the inner top of described master cylinder body is sealedly connected with backhaul cylinder body, between described master cylinder body inwall and backhaul outer wall of cylinder block, cover has tubular main plunger, the inside and outside wall at described main plunger top is respectively equipped with movable sealing, make the space between master cylinder body, main plunger and backhaul cylinder body form main liquid cavity, the top of described master cylinder body is provided with the master cylinder oil inlet and outlet being communicated with main liquid cavity, and the bottom of described main plunger is connected on pressure head; The bottom outer wall of described backhaul cylinder body is provided with movable sealing, makes the space between backhaul outer wall of cylinder block and main plunger inwall be made as kicker cylinder; In described backhaul cylinder body, be provided with tubulose welding ring, the two ends of described welding ring respectively with backhaul cylinder body seal, make the space between welding ring outer wall and backhaul cylinder body be made as back to the fluid chamber, the wall of described backhaul cylinder body is provided with and is communicated with back to the fluid chamber to the liquid pass hole of kicker cylinder bottom, the top of described backhaul cylinder body is provided with the backhaul oil inlet and outlet that is communicated with back to the fluid chamber, at the top of back to the fluid chamber and main liquid cavity, is equipped with air vent; Described probe socket and/or welding ring inwall are provided with displacement monitoring mechanism, and described displacement monitoring mechanism comprises the displacement transducer on the inwall of being located at welding ring and is positioned at the probe that mate with displacement transducer at probe socket top.
Owing to having adopted said structure, main plunger can be with respect to master cylinder body, backhaul cylinder body slides, the top of main plunger and master cylinder body inwall, between the top of main plunger and backhaul cylinder body, form sealing, make top and the master cylinder body inwall of main plunger, between the top of main plunger and backhaul cylinder body, form movable sealing, therefore at the top of main plunger, the cavity forming between master cylinder body inwall and backhaul outer wall of cylinder block is main liquid cavity, the master cylinder oil inlet and outlet and this main liquid cavity that at the top of master cylinder body, arrange, can in main liquid cavity, feed pressure liquid by master cylinder oil inlet and outlet, pressure liquid can promote main plunger and move with respect to master cylinder body, make pressure head that main plunger bottom connects to the product processing of exerting pressure, main plunger both as the main plunger of main fluid cylinder by hydraulic drive, also the cylinder body using the inwall of main plunger as kicker cylinder, thereby make main fluid cylinder and kicker cylinder lay respectively at main plunger inside and outside, the parts of hydraulic cylinder have been greatly reduced, make the structure of hydraulic cylinder compacter, reduce the weight of hydraulic cylinder, on the outer wall of the bottom of backhaul cylinder body, be provided with movable sealing, when making can relatively move between main plunger and the bottom outer wall of backhaul cylinder body, form effective sealing, the movable sealing of the movable sealing at main plunger top and backhaul inferior part of the cylinder block outer wall makes the space between backhaul outer wall of cylinder block and main plunger inwall form kicker cylinder, in backhaul cylinder body, be provided with back to the fluid chamber, bottom this kicker cylinder with between back to the fluid chamber, by the liquid pass hole on kicker cylinder body wall, be communicated with, the top of described backhaul cylinder body is provided with backhaul oil inlet and outlet, this backhaul oil inlet and outlet is communicated with back to the fluid chamber, and can be to input pressure liquid in back to the fluid chamber, pressure liquid enters into kicker cylinder through liquid pass hole in back to the fluid chamber, thereby promote main plunger and recover reset condition, realize the backhaul of main plunger.For detection part being located to the inside of hydraulic cylinder, in backhaul cylinder body, be provided with tubulose welding ring, the two ends outer wall of this tubulose welding ring is connected with kicker cylinder cylinder body seal respectively, makes to form a spatial accommodation between welding ring outer wall and backhaul inboard wall of cylinder block, and this space is back to the fluid chamber, in main liquid cavity and back to the fluid chamber, be all provided with air vent, be convenient to the Bas Discharged in hydraulic cylinder, wherein the air in main liquid cavity can directly be discharged from the top air vent of main liquid cavity, and air in back to the fluid chamber also can directly be discharged from the air vent at back to the fluid chamber top, liquid pass hole is communicated to kicker cylinder bottom from back to the fluid chamber, topmost object is also the air of being convenient to discharge in kicker cylinder, when need to discharge in kicker cylinder air time, can drive main plunger slippage by main liquid cavity, now the liquid-to-air in kicker cylinder enters into back to the fluid chamber from liquid pass hole, when main plunger moves to extreme position, whole air in kicker cylinder also liquid can be expelled in back to the fluid chamber, air just can be discharged from the air vent at back to the fluid chamber top, in addition, the displacement monitoring mechanism of main plunger is located in hydraulic cylinder, also being vertically arranged with of welding ring, comprise the displacement transducer of grating, in welding ring, be provided with probe socket simultaneously, the bottom of this probe socket is connected on pressure head, can move with pressure head simultaneously, therefore at the top of probe socket, probe is set, this probe can cooperatively interact with displacement transducer, can monitor the distance that probe socket moves, the detection of realization to movable press head distance, thereby signal is passed to control system, control system is stroke according to actual needs, accurately control the distance that main plunger moves.Existing testing agency is all located at hydraulic cylinder outside, can be subject to the impact of external environment condition, as many factors such as dust, magnetic fields, makes to detect control accuracy and effect is seriously affected; The present invention is located at testing agency in the confined space in hydraulic cylinder, can effectively avoid the impact of the factors such as external dust or magnetic field, thereby greatly improved accuracy of detection, simultaneously, probe is located at the top of probe socket, when slight movement occurs pressure head, also can accurately signal be passed on controller and be controlled.Mini hydraulic cylinder of the present invention, can realize the control to main stroke and backhaul by liquid in-out pipeline, and good seal performance, can bear larger pressure, and volume is little lightweight, and running noise is little, shakes light little effect on the human body; In addition, using main plunger both as the main plunger of main fluid cylinder, the cylinder body using its inwall as kicker cylinder again, thus greatly simplified the parts of this hydraulic cylinder, reduced the weight of hydraulic cylinder, make structure compacter.
High-precision strong hydraulic machine of the present utility model, the top inwall of described main plunger and the bottom outer wall of backhaul cylinder body are equipped with boss, space between two boss and main plunger inwall, backhaul outer wall of cylinder block is kicker cylinder, when described main plunger makes two boss laminatings with respect to the slippage of backhaul cylinder body, the boss that is positioned at backhaul cylinder body bottom outer wall can limit the boss slippage on the inwall of main plunger top, and described liquid pass hole is positioned at the boss upper surface that is communicated to backhaul outer wall of cylinder block on the wall of backhaul cylinder body.
Owing to having adopted said structure, on main plunger and backhaul cylinder body, boss structure is set respectively, when main plunger is during with respect to the slippage of backhaul cylinder body, two boss can be bonded to each other, thereby the further slippage of restriction main plunger skids off in the time of effectively avoiding main plunger slippage from cylinder body; The space forming between two other boss and main plunger inwall, backhaul outer wall of cylinder block is kicker cylinder, and because main plunger can be with respect to the slippage of backhaul cylinder body, the size that makes kicker cylinder is constantly to change; When main plunger slides onto extreme position, when two boss are in contact with one another and fit, space in kicker cylinder is compressed into limit, main plunger can not continue slippage, the pressure that is input to main liquid cavity is increased sharply, can stop to main liquid cavity feed flow by control, and the reply that starts can to realize to feed flow in kicker cylinder main plunger moves, can to the formation of main plunger, control quickly and easily; Liquid pass hole is positioned on the wall of backhaul cylinder body and is communicated to the boss upper surface of backhaul outer wall of cylinder block, thereby when main plunger moves to limit in kicker cylinder, the liquid in kicker cylinder and air can be expelled in back to the fluid chamber from liquid pass hole, through air vent, discharges.
High-precision strong hydraulic machine of the present utility model, the top exterior walls place of described main plunger and the top inner wall place of main plunger are respectively equipped with L-type sealing ring, make to form respectively movable sealing between described main plunger and master cylinder body, backhaul cylinder body, the top of described main plunger is provided with pressing plate, and the limit portion of described pressing plate is pressed on L-type sealing ring.
Owing to having adopted said structure, because main plunger is both as the main plunger of main hydraulic cavities, also as the cylinder body of kicker cylinder, therefore strict for the seal request between main plunger and master cylinder body, between main plunger and backhaul cylinder body, can be at the top exterior walls place of main plunger and the top inner wall place of main plunger L-type sealing ring is set, and in order to make main plunger can have good sealing effectiveness in slipping, the pressing plate being bolted at the top of main plunger, is pressed on L-type sealing ring the limit portion of pressing plate.
In sum, owing to having adopted technique scheme, the beneficial effects of the utility model are:
1, high-precision strong hydraulic machine of the present utility model, simple in structure, easy and simple to handle, transportation and convenient to use, hydraulic cylinder, liquid supply station and switch board are combined together, make the compact conformation of this press, volume is little, take up an area littlely, the factory that is applicable to be positioned at is upstairs required, the production layout of the streamline of being more convenient for;
2, high-precision strong hydraulic machine of the present utility model, except normal pressure 70MPa arranges, also has the 100MPa of pressure charging system, therefore the press power of press can increase to 4000KN, thereby the bearing capacity of whole press and hydraulic cylinder thereof is stronger;
3, high-precision strong hydraulic machine of the present utility model, has hommization, operates very easy to use, it is all automation, intellectuality, on console panel, has demonstration to the overall process of press, digital record, storage, sets, and the course of work has monitoring and safeguard protection, the running noise of press is little, shakes light little effect on the human body;
4, high-precision strong hydraulic machine of the present utility model, using main plunger both as the main plunger of main fluid cylinder, the cylinder body using its inwall as kicker cylinder again, thus greatly simplified the parts of this hydraulic cylinder, reduced the weight of hydraulic cylinder, make structure compacter;
5, high-precision strong hydraulic machine of the present utility model, by two boss, limit the further slippage of main plunger, while avoiding main plunger slippage, from cylinder body, skid off, when main plunger slides onto extreme position, when two boss are in contact with one another and fit, space in kicker cylinder is compressed into limit, main plunger can not continue slippage, the pressure that is input to main liquid cavity is increased sharply, can stop moving to main liquid cavity feed flow and to the reply that feed flow in kicker cylinder can be realized main plunger, can to the formation of main plunger, control quickly and easily;
6, high-precision strong hydraulic machine of the present utility model, is arranged at the inside of hydraulic cylinder by displacement transducer and probe, can avoid the interference of external impurities, signal, and when slight mobile of pressure head generation, can accurately signal be passed on controller and controlled.
Accompanying drawing explanation
Fig. 1 is the structural representation of high-precision strong hydraulic machine of the present utility model;
Fig. 2 is the structural representation of the embodiment 1 of hydraulic cylinder in the utility model;
Fig. 3 is the structural representation of the embodiment 2 of hydraulic cylinder in the utility model;
Fig. 4 is the use state diagram of the embodiment 2 of hydraulic cylinder in the utility model.
Mark in figure: 1-master cylinder plunger piston, 2-master cylinder body, 3-kicker cylinder cylinder body, 4-plunger, 5-plunger inner sleeve, 6-seal box, 7-end cap, 8, 10-screw plug, 9-locking nut, 11-pipe joint, 12-spin, 13, 14, 15, 20, 26-hexagon socket head cap screw, 16-inner sleeve O RunddichtringO, 17-plunger end face O RunddichtringO, 18-seal box O RunddichtringO, 19-master cylinder plunger piston sealing clamp, the sealing of 21-master cylinder plunger piston L-type, the sealing of 22-master cylinder plunger piston O type, the sealing of 23-kicker cylinder L-type, 24-sealing ring, 25-kicker cylinder end face gland, the sealing of 27-kicker cylinder O type, 28-blocks up soldering tip, 29-spin,
101-pressure head, 102-master cylinder body, 103-backhaul cylinder body, 104-main plunger, 105-welding ring, 106-master cylinder oil inlet and outlet, 107-kicker cylinder oil inlet and outlet, 108-gas vent, 109-cylinder body locking nut, 110-probe socket, 111-displacement transducer, 112-probe, 113-top cover, 114-O RunddichtringO, 115-L-type sealing ring, 116-liquid pass hole;
30-frame body, 31-electrical control cubicles, 32-Hydraulic Station, 33-hydraulic cylinder, 34-electric-controlled plate, 301-middle frame, automatically controlled of 302-, 303-hydraulic pressure frame.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment 1
embodiment 1
As depicted in figs. 1 and 2, high-precision strong hydraulic machine of the present utility model, comprise frame body 30, the middle part of described frame body 30 is working region, above working region, be provided with hydraulic cylinder 33, the rear portion of its mid frame body 30 is made as Hydraulic Station 32, and described Hydraulic Station 32 is communicated with feed flow with hydraulic cylinder 33; The front portion of frame body 30 is made as electrical control cubicles 31, and described electrical control cubicles 31 connects and controls Hydraulic Station 32.Wherein said hydraulic cylinder 33 is positioned at the top, middle part of working region, is also provided with electric-controlled plate 34 above working region, and described electric-controlled plate 34 is connected in electrical control cubicles 31.This high-precision strong hydraulic machine, can be monolithic construction, can be also the combination of split-type structural, and therefore the front portion of described frame body 30 is automatically controlled 302, and described electrical control cubicles 31 is positioned at automatically controlled 302; The middle part of described frame body 30 is middle frame 301, and working region is positioned at the window on middle frame 301, and described hydraulic cylinder 33 is positioned at the crown center of window, is provided with especially electric-controlled plate 34 on the front end face of middle frame 301; The rear portion of described frame body 30 is hydraulic pressure frame 303, and described Hydraulic Station 32 is positioned at hydraulic pressure frame 303, described automatically controlled 302, middle frame 301 with hydraulic pressure frame 303 for monolithic construction or be connected to become integral body.
High-precision strong hydraulic machine of the present utility model, simple in structure, easy and simple to handle, transportation and convenient to use, hydraulic cylinder, liquid supply station and switch board are combined together, make the compact conformation of this press, volume is little, take up an area littlely, the factory that is applicable to be positioned at is upstairs required, the production layout of the streamline of being more convenient for.In addition, high-precision strong hydraulic machine of the present utility model, except normal pressure 70MPa arranges, also has the 100MPa of pressure charging system, therefore the press power of press can increase to 4000KN, thereby the bearing capacity of whole press and hydraulic cylinder thereof is stronger.
In high-precision strong hydraulic machine of the present utility model, described hydraulic cylinder 33 comprises master cylinder body 2, be provided with the master cylinder plunger piston 1 of inner chamber, the plunger inner sleeve 5 of the kicker cylinder cylinder body 3 of tubulose, tubulose, the seal box 6 of tubulose, the plunger 4 that is provided with inner chamber and end cap 7, the inner wall sealing of the outer wall of wherein said master cylinder plunger piston 1 and master cylinder body 2 forms main liquid cavity, also on the outer wall of master cylinder plunger piston 1, be provided with master cylinder plunger piston O type sealing 22, in the end of described master cylinder plunger piston 1, be provided with the sealing 21 of master cylinder plunger piston L-type and master cylinder plunger piston sealing clamp 19, described master cylinder plunger piston sealing clamp 19 is connected in and on master cylinder plunger piston 1, limits master cylinder plunger piston L-type sealing 21, make the outer wall of master cylinder plunger piston 1 and the inwall of master cylinder body 2 form movable sealing, described master cylinder body 2 is provided with the inlet opening that is communicated with main liquid cavity, in the porch of this inlet opening, be provided with pipe joint 11, at pipe joint 11 places, be provided with spin 12 and screw plug 10, , one end of described kicker cylinder cylinder body 3 is fixed on master cylinder body 2 and is connected with end cap 7, and the other end stretches in main liquid cavity, is provided with the seal with plunger 4 outer wall movable sealings at this end place, also should be provided with at the inner wall of end of kicker cylinder cylinder body 3 kicker cylinder L-type sealing 23, sealing ring 24 and kicker cylinder end face gland 25, described kicker cylinder end face gland 25 is fixedly connected on the sealing 23 of ends restrict kicker cylinder L-type and the sealing ring 24 of kicker cylinder cylinder body 3, and the outer wall that makes the sealing 23 of kicker cylinder L-type and sealing ring 24 be placed on plunger 4 forms movable sealing, one end of described plunger 4 is fixed on master cylinder plunger piston 1, and the other end stretches in the kicker cylinder cylinder body 3 in master cylinder plunger piston 1 and is threadedly connected on seal box 6, the inner wall sealing of the outer wall of described seal box 6 and kicker cylinder cylinder body 3 and can relative sliding, one end of described plunger inner sleeve 5 is fixed on end cap 7, the other end stretches in plunger 4 through seal box 6, on the sidewall of described plunger 4 inner chambers, establish and be communicated with the inside and outside liquid pass hole of plunger 4, when described end cap 7 is threadedly connected to master cylinder body 2, by hexagon socket head cap screw 13, be fixedly connected with the end of kicker cylinder cylinder body 3, and described kicker cylinder cylinder body 3 is connected on master cylinder body 2 by hexagon socket head cap screw 15, in like manner, the end of plunger inner sleeve 5 is also connected on end cap 7 by hexagon socket head cap screw 14, on this end cap 7, in position corresponding to the outer mouth of pipe of discharging tube, be provided with screw plug 8, when needs are exitted, screw plug on this end cap 8 is opened, again the screw plug at the outer mouth of pipe place of discharging tube is taken out, , in described seal box 6, be provided with discharging tube, the inner spout place of described discharging tube is provided with stifled soldering tip 28 and spin 29 seals, the outer mouth of pipe place of described discharging tube is provided with screw plug, between the outer wall of the inwall of described kicker cylinder cylinder body 3 and plunger 4, the inside of the outer wall of the inwall of plunger 4 and plunger inner sleeve 5 and plunger inner sleeve 5 forms back to the fluid chamber, wherein discharging tube is also communicated with this back to the fluid chamber, on the outer wall of described seal box 6, be provided with three row's seal box O RunddichtringOs 18, make to form movable sealing between the outer wall of seal box 6 and the inwall of kicker cylinder cylinder body 3, described seal box 6 inner sleeves have inner sleeve O RunddichtringO 16, make to form movable sealing between the inwall of seal box 6 and the outer wall of plunger inner sleeve 5, the end being threaded with seal box 6 at described plunger 4 is provided with plunger end face O RunddichtringO 17.
High-precision strong hydraulic machine of the present utility model, wherein hydraulic cylinder 33 in use, can pressure liquid be fed in main liquid cavity by inlet opening, because main liquid cavity is by sealing and form between the outer wall of master cylinder plunger piston and the inwall of master cylinder body, pressure liquid is piled up and is produced larger pressure continuously in main liquid cavity, this pressure can promote master cylinder plunger piston and skid off with respect to master cylinder body, the outer face of master cylinder plunger piston can act on workpiece, when master cylinder plunger piston skids off from master cylinder body, drive the plunger connecting on it to slide with respect to kicker cylinder cylinder body, now, pressure liquid in kicker cylinder cylinder body can be discharged from plunger inner sleeve, thereby make the pressure liquid in kicker cylinder cylinder body can not bring any resistance to sliding of master cylinder plunger piston, now plunger drives the seal box connecting on its end to slide with respect to kicker cylinder cylinder body, because plunger sidewall is provided with liquid pass hole, the inside and outside connection of plunger is circulated, when seal box slides with respect to kicker cylinder cylinder body, gap between plunger and kicker cylinder cylinder body changes at any time, meanwhile the gap between plunger and plunger inner sleeve is also to change at any time, but between plunger and kicker cylinder cylinder body, gap summation between plunger and plunger inner sleeve remains unchanged, thereby master cylinder plunger piston can freely be slided and to workpiece work with respect to kicker cylinder cylinder body.Master cylinder plunger piston slides while needing backhaul to extreme position, by in logical plunger inner sleeve in the inner chamber of plunger, feed pressure liquid, this pressure liquid is full of rapidly the inside and outside gap of plunger, pressure liquid in main liquid cavity is discharged from inlet opening simultaneously, thereby make the pressure liquid in main liquid cavity can not bring any resistance to backhaul, now the pressure in kicker cylinder cylinder body is greater than the pressure in the main liquid cavity outside kicker cylinder cylinder body, and require the gap between plunger and kicker cylinder cylinder body to be greater than the gap between plunger and plunger inner sleeve, thereby the power that pressure liquid is acted on seal box is greater than the power acting on plunger, thereby making pressure liquid can promote seal box slides with respect to kicker cylinder cylinder body, the slip of seal box can drive plunger and master cylinder plunger piston with respect to kicker cylinder cylinder body, to do the slip of backhaul, thereby realize the backhaul of this hydraulic cylinder.As can be seen here, high-precision strong hydraulic machine of the present utility model, inlet opening is mainly used in the feed flow of main stroke and the discharge opeing of backhaul; And plunger inner sleeve is mainly used in the feed flow of discharge opeing and the backhaul of main stroke, visible the utility model is combined as a whole main stroke working cylinder and backhaul working cylinder, makes its compact conformation, volume is little, lightweight, only need to adopt two liquid pipes can realize the control to this hydraulic cylinder, make easy and simple to handle, easy to use, and can produce larger pressure, good airproof performance, and volume is little lightweight, running noise is little, and vibrations gently affect human body.
As described in Fig. 3 and Fig. 4, the present embodiment is similar to embodiment 1, difference is, the structure that described hydraulic cylinder 33 adopts is different, in high-precision strong hydraulic machine of the present utility model, described hydraulic cylinder 33 comprises master cylinder body 102, the inner top of described master cylinder body 102 is sealedly connected with backhaul cylinder body 103, between described master cylinder body 102 inwalls and backhaul cylinder body 103 outer walls, cover has tubular main plunger 104, in described main plunger 104 tops, outer wall is respectively equipped with movable sealing, also be that the top exterior walls place of described main plunger 104 and the top inner wall place of main plunger 104 are respectively equipped with L-type sealing ring 105, make described main plunger 104 and master cylinder body 102, between backhaul cylinder body 103, form respectively movable sealing, the top of described main plunger 104 is provided with pressing plate, the limit portion of described pressing plate is pressed on L-type sealing ring 105, make master cylinder body 102, space between main plunger and backhaul cylinder body 103 forms main liquid cavity, the top of described master cylinder body 102 is provided with the master cylinder oil inlet and outlet being communicated with main liquid cavity, the bottom of described main plunger 104 is connected on pressure head 101, the top inwall of described main plunger 104 and the bottom outer wall of backhaul cylinder body 103 are equipped with boss in addition, the bottom outer wall of described backhaul cylinder body 103 is provided with movable sealing, also in the outer wall of boss of the bottom of backhaul cylinder body 103, O RunddichtringO 114 is set, make two boss and main plunger 104 inwalls, space between backhaul cylinder body 103 outer walls is kicker cylinder, when described main plunger 104 makes two boss laminatings with respect to 103 slippages of backhaul cylinder body, the boss that is positioned at backhaul cylinder body 103 bottom outer walls can limit the boss slippage on main plunger 104 top inwalls, described liquid pass hole 116 is positioned at the boss upper surface that is communicated to backhaul cylinder body 103 outer walls on the wall of backhaul cylinder body 103, also be that liquid pass hole is communicated with back to the fluid chamber to kicker cylinder bottom, described liquid pass hole 116 is three, is distributed on the inwall of backhaul cylinder body 103, is also that the angle between any two adjacent liquid pass holes 116 is 120 °, in described backhaul cylinder body 103, be provided with tubulose welding ring 105, the two ends of described welding ring 105 seal with backhaul cylinder body 103 respectively, make the space between welding ring 105 outer walls and backhaul cylinder body 103 be made as back to the fluid chamber, the wall of described backhaul cylinder body 103 is provided with and is communicated with back to the fluid chamber to the liquid pass hole of kicker cylinder bottom, the top of described backhaul cylinder body 103 is provided with the backhaul oil inlet and outlet that is communicated with back to the fluid chamber, at the top of back to the fluid chamber and main liquid cavity, is equipped with air vent, in described welding ring 105, be provided with bottom and be connected in the probe socket 110 on pressure head 101, described probe socket 110 and/or welding ring 105 inwalls are provided with displacement monitoring mechanism, wherein said displacement monitoring mechanism comprises the displacement transducer 111 on the inwall of being located at welding ring 105 and is positioned at the probe 112 that mate with displacement transducer 111 at probe socket 110 tops, shown in displacement transducer 111 can adopt the analogs such as grating.
High-precision strong hydraulic machine of the present utility model, wherein hydraulic cylinder in use, first by control system, preset and need pressing stroke, the feed flow of control system controlling from master cylinder oil inlet and outlet 106 to main liquid cavity, hydraulic drive main plunger 104 moves, thus 101 pairs of objects of the pressure head connecting by its bottom are processed and are press-fited, wherein in the process of main plunger 104 slippages, kicker cylinder is compressed, and the liquid in kicker cylinder enters back to the fluid chamber from liquid pass hole 116, then discharges through kicker cylinder oil inlet and outlet 107; When main plunger 104 strokes are to predeterminated position, pop one's head in 112 detect on displacement transducer 111 accurate location time, rapidly signal is passed in control system, control system stops to the feed flow in main liquid cavity;
After workpiece has been exerted pressure, in the time of need to making main plunger 104 backhaul, feed flow controlling from kicker cylinder oil inlet and outlet 107 to back to the fluid chamber by control system, hydraulic pressure enters into kicker cylinder from liquid pass hole 106, thereby promoting main plunger 104 replys mobile, now, the hydraulic pressure in main liquid cavity is discharged from master cylinder oil inlet and outlet 106, thereby finally realizes the backhaul of main plunger 104.
While having entered air in hydraulic cylinder, need to be by the Bas Discharged in liquid, air in main liquid cavity is discharged from the air vent 108 at its top, in like manner, air in back to the fluid chamber is discharged from the steam vent 108 at its top, and the air in kicker cylinder needs to control the air in main plunger 104 compression kicker cylinders, when kicker cylinder compressed solid, liquid in kicker cylinder and air all enter into back to the fluid chamber from liquid pass hole 116, and discharge from the air vent at back to the fluid chamber top.
High-precision strong hydraulic machine of the present utility model,, compact conformation, easy and simple to handle, easy to use, can realize the control to main stroke and backhaul by liquid in-out pipeline, good seal performance, can bear larger pressure, and volume is little lightweight, and running noise is little, shake light little effect on the human body; , using main plunger both as the main plunger of main fluid cylinder, the cylinder body using its inwall as kicker cylinder again, thus greatly simplified the parts of this hydraulic cylinder, reduced the weight of hydraulic cylinder, make structure compacter; By two boss, limit the further slippage of main plunger, while avoiding main plunger slippage, from cylinder body, skid off, when main plunger slides onto extreme position, when two boss are in contact with one another and fit, space in kicker cylinder is compressed into limit, and main plunger can not continue slippage, and the pressure that is input to main liquid cavity is increased sharply, can stop moving to main liquid cavity feed flow and to the reply that feed flow in kicker cylinder can be realized main plunger, can to the formation of main plunger, control quickly and easily; Displacement transducer and probe are arranged to the inside of hydraulic cylinder, can avoid the interference of external impurities, signal, and when slight mobile of pressure head generation, can accurately signal be passed on controller and controlled.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. high-precision strong hydraulic machine, comprise frame body (30), it is characterized in that: the middle part of described frame body (30) is working region, above working region, be provided with hydraulic cylinder (33), the rear portion of its mid frame body (30) is made as Hydraulic Station (32), and described Hydraulic Station (32) is communicated with feed flow with hydraulic cylinder (33); The front portion of frame body (30) is made as electrical control cubicles (31), and described electrical control cubicles (31) connects and controls Hydraulic Station (32).
2. high-precision strong hydraulic machine as claimed in claim 1, is characterized in that: described hydraulic cylinder (33) is positioned at the top, middle part of working region, is also provided with electric-controlled plate (34) above working region, and described electric-controlled plate (34) is connected in electrical control cubicles (31).
3. high-precision strong hydraulic machine as claimed in claim 1 or 2, is characterized in that: the front portion of described frame body (30) is automatically controlled (302), and described electrical control cubicles (31) is positioned at automatically controlled (302); The middle part of described frame body (30) is middle frame (301), and working region is positioned at the window on middle frame (301), and described hydraulic cylinder (33) is positioned at the crown center of window; The rear portion of described frame body (30) is hydraulic pressure frame (303), and described Hydraulic Station (32) is positioned at hydraulic pressure frame (303), and described automatically controlled (302), middle frame (301) are monolithic construction with hydraulic pressure frame (303) or are connected to become integral body; On the front end face of middle frame (301), be provided with electric-controlled plate (34).
4. high-precision strong hydraulic machine as claimed in claim 1 or 2, is characterized in that: described hydraulic cylinder (33) comprises master cylinder body (2), be provided with the master cylinder plunger piston (1) of inner chamber, the plunger inner sleeve (5) of the kicker cylinder cylinder body (3) of tubulose, tubulose, the seal box (6) of tubulose, the plunger (4) that is provided with inner chamber and end cap (7); The inner wall sealing of the outer wall of wherein said master cylinder plunger piston (1) and master cylinder body (2) forms main liquid cavity, and described master cylinder body (2) is provided with the inlet opening that is communicated with main liquid cavity; One end of described kicker cylinder cylinder body (3) is fixed on master cylinder body (2) above and is connected with end cap (7), and the other end stretches in main liquid cavity, is provided with the seal with plunger (4) outer wall movable sealing at this end place; One end of described plunger (4) is fixed on master cylinder plunger piston (1), the other end stretches in the kicker cylinder cylinder body (3) in master cylinder plunger piston (1) and to be threadedly connected to seal box (6) upper, the inner wall sealing of the outer wall of described seal box (6) and kicker cylinder cylinder body (3) and can relative sliding; It is upper that end cap (7) is fixed in one end of described plunger inner sleeve (5), and the other end stretches in plunger (4) through seal box (6), establishes and be communicated with the inside and outside liquid pass hole of plunger (4) on the sidewall of described plunger (4) inner chamber.
5. high-precision strong hydraulic machine as claimed in claim 4, it is characterized in that: in described seal box (6), be provided with discharging tube, the inner spout place of described discharging tube is provided with stifled soldering tip (28) and spin (29) seals, the outer mouth of pipe place of described discharging tube is provided with screw plug, between the outer wall of the inwall of described kicker cylinder cylinder body (3) and plunger (4), the inside of the inwall of plunger (4) and the outer wall of plunger inner sleeve (5) and plunger inner sleeve (5) forms back to the fluid chamber, wherein discharging tube is also communicated with this back to the fluid chamber.
6. high-precision strong hydraulic machine as claimed in claim 5, it is characterized in that: on the outer wall of master cylinder plunger piston (1), be provided with master cylinder plunger piston O type sealing (22), in the end of described master cylinder plunger piston (1), be provided with the sealing of master cylinder plunger piston L-type (21) and master cylinder plunger piston sealing clamp (19), described master cylinder plunger piston sealing clamp (19) is connected in master cylinder plunger piston (1) upper restriction master cylinder plunger piston L-type sealing (21), makes the outer wall of master cylinder plunger piston (1) and the inwall of master cylinder body (2) form sealing.
7. the high-precision strong hydraulic machine as described in claim 5 or 6, it is characterized in that: the inner wall of end at described kicker cylinder cylinder body (3) is provided with the sealing of kicker cylinder L-type (23), sealing ring (24) and kicker cylinder end face gland (25), described kicker cylinder end face gland (25) is fixedly connected on the sealing of ends restrict kicker cylinder L-type (23) and the sealing ring (24) of kicker cylinder cylinder body (3), and the outer wall that makes kicker cylinder L-type sealing (23) and sealing ring (24) be placed on plunger (4) forms movable sealing; The outer wall of described seal box (6) is provided with three row's seal box O RunddichtringOs (18), make to form movable sealing between the outer wall of seal box (6) and the inwall of kicker cylinder cylinder body (3), described seal box (6) inner sleeve has inner sleeve O RunddichtringO (16), make to form movable sealing between the inwall of seal box (6) and the outer wall of plunger inner sleeve (5), the end being threaded with seal box (6) at described plunger (4) is provided with plunger end face O RunddichtringO (17).
8. high-precision strong hydraulic machine as claimed in claim 1 or 2, it is characterized in that: described hydraulic cylinder (33) comprises master cylinder body (102), the inner top of described master cylinder body (102) is sealedly connected with backhaul cylinder body (103), between described master cylinder body (102) inwall and backhaul cylinder body (103) outer wall, cover has tubular main plunger (104), in described main plunger (104) top, outer wall is respectively equipped with movable sealing, make master cylinder body (102), space between main plunger and backhaul cylinder body (103) forms main liquid cavity, the top of described master cylinder body (102) is provided with the master cylinder oil inlet and outlet being communicated with main liquid cavity, the bottom of described main plunger (104) is connected on pressure head (101), the bottom outer wall of described backhaul cylinder body (103) is provided with movable sealing, makes the space between backhaul cylinder body (103) outer wall and main plunger (104) inwall be made as kicker cylinder, in described backhaul cylinder body (103), be provided with tubulose welding ring (105), the two ends of described welding ring (105) seal with backhaul cylinder body (103) respectively, make the space between welding ring (105) outer wall and backhaul cylinder body (103) be made as back to the fluid chamber, the wall of described backhaul cylinder body (103) is provided with and is communicated with back to the fluid chamber to the liquid pass hole of kicker cylinder bottom, the top of described backhaul cylinder body (103) is provided with the backhaul oil inlet and outlet that is communicated with back to the fluid chamber, at the top of back to the fluid chamber and main liquid cavity, is equipped with air vent, in described welding ring (105), be provided with bottom and be connected in the probe socket (110) on pressure head (101), the inwall of described welding ring (105) is provided with displacement transducer (111), and described probe socket (110) top is provided with the probe (112) mating with displacement transducer (111).
9. high-precision strong hydraulic machine as claimed in claim 8, it is characterized in that: the bottom outer wall of the top inwall of described main plunger (104) and backhaul cylinder body (103) is equipped with boss, two boss and main plunger (104) inwall, space between backhaul cylinder body (103) outer wall is kicker cylinder, when described main plunger (104) makes two boss laminatings with respect to backhaul cylinder body (103) slippage, the boss that is positioned at backhaul cylinder body (103) bottom outer wall can limit the boss slippage on the inwall of main plunger (104) top, described liquid pass hole is positioned at the boss upper surface that is communicated to backhaul cylinder body (103) outer wall on the wall of backhaul cylinder body (103).
10. high-precision strong hydraulic machine as claimed in claim 9, it is characterized in that: the top inner wall place of the top exterior walls place of described main plunger (104) and main plunger (104) is respectively equipped with L-type sealing ring (105), make described main plunger (104) and master cylinder body (102), backhaul cylinder body form respectively movable sealing between (103), the top of described main plunger (104) is provided with pressing plate, and the limit portion of described pressing plate is pressed on L-type sealing ring (105).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320469006.4U CN203410041U (en) | 2013-08-02 | 2013-08-02 | High-precision strength hydraulic machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320469006.4U CN203410041U (en) | 2013-08-02 | 2013-08-02 | High-precision strength hydraulic machine |
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| CN203410041U true CN203410041U (en) | 2014-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320469006.4U Withdrawn - After Issue CN203410041U (en) | 2013-08-02 | 2013-08-02 | High-precision strength hydraulic machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103395219A (en) * | 2013-08-02 | 2013-11-20 | 四川盛堡机电科技有限责任公司 | High-precision high-strength hydraulic machine |
| CN104527111A (en) * | 2013-08-02 | 2015-04-22 | 成都快典科技有限公司 | High-precision and strong-power hydraulic machine |
| CN104527115A (en) * | 2013-08-02 | 2015-04-22 | 成都快典科技有限公司 | High-accuracy powerful hydraulic machine |
-
2013
- 2013-08-02 CN CN201320469006.4U patent/CN203410041U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103395219A (en) * | 2013-08-02 | 2013-11-20 | 四川盛堡机电科技有限责任公司 | High-precision high-strength hydraulic machine |
| CN104527111A (en) * | 2013-08-02 | 2015-04-22 | 成都快典科技有限公司 | High-precision and strong-power hydraulic machine |
| CN104527115A (en) * | 2013-08-02 | 2015-04-22 | 成都快典科技有限公司 | High-accuracy powerful hydraulic machine |
| CN103395219B (en) * | 2013-08-02 | 2015-10-21 | 成都快典科技有限公司 | High-precision high-strength hydraulic machine |
| CN104527115B (en) * | 2013-08-02 | 2017-01-04 | 成都快典科技有限公司 | A kind of High-precision high-strength hydraulic machine |
| CN104527111B (en) * | 2013-08-02 | 2017-02-08 | 佛山市业精机械制造有限公司 | High-precision and strong-power hydraulic machine |
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