Accumulator cut-off control valve
Technical field
The utility model relates to the cut-off control technique field of hydraulic equipment, is specifically related to a kind of novel cut-off control valve element that is applied to accumulator being formed by a plurality of oil circuits and a plurality of valve elements combination.
Background technique
At hydraulic system back warp, often can use accumulator, particularly, in Large Hydraulic System, often a plurality of accumulators be formed to an Accumulator arrangements, use simultaneously.Wherein, the filler opening of each accumulator need to design a fuel inlet ball check valve, to control closing and opening of accumulator, will design in addition a fuel outlet ball valve, and it act as the fluid bleeding off in accumulator.
And when changing accumulator, need to close fuel inlet ball check valve, and open fuel outlet ball valve, and tighten after relief valve, can change accumulator.Conventional energy accumulator housing is fluid origin round can shape, and upper and lower two ends are that camber line ,Qi upper end is inflatable interface, and lower end is oil-feed interface.Accumulator General Requirements is placed vertically and is fixed on accumulator frame, the dunnage of accumulator frame has one than the maximum outside diameter little hole of accumulator, make accumulator hold up to be inserted in hole, the camber line face of accumulator lower end just can support accumulator, upper half part of while accumulator also needs to install clip it is fastened on accumulator frame, to prevent, rocks.
Wherein, the hydraulic fluid port of accumulator is at bottommost, and is connected with the control valve assembly pipe of accumulator, and control valve group is connected with return tube T with the stagnation pressure solenoid P of system again.And can there is following problem in such mounting type: one, because the camber line face of accumulator is cast out, the perforate of accumulator frame simultaneously has also been cut by flame, therefore its precision can only lean on workman's technical ability to control, so cause the assembly precision between accumulator and accumulator frame to be difficult to guarantee, this also just causes the piping length between accumulator and accumulator valve group to occur inconsistent, repeatability is very poor, especially more difficult when accumulator damage will be changed, some even cannot be changed, and to production, brings great inconvenience; Its two, because pipe arrangement interface is various, so accumulator is very large to line shock when topping up and tapping, often there is the even phenomenon such as booster of oil impregnate, this has also increased work and capital cost, what be unfavorable for producing carries out smoothly efficiently.
Model utility content
The technical problem that the utility model solves is to provide a kind of cut-off control valve device that can facilitate installation and the replacing of accumulator.
The utility model is achieved by the following technical programs:
Accumulator cut-off control valve, comprises valve body, on valve body, by holing or casting, forms P type oil circuit and T-shaped oil circuit; One of them port closed of T-shaped oil circuit; Oil inlet end at P type oil circuit is provided with oil-feed stopper, is provided with a bypass of connecting with T-shaped oil circuit on P type oil circuit in oil outlet to the position between the oil outlet of P type oil circuit of oil-feed stopper; The jointing place of described bypass and T-shaped oil circuit is provided with the stopper of draining the oil, described in drain the oil, between stopper and valve body, plug be installed.
On valve body front panel, be arranged with four groups of screws, on valve body front panel, the position between four groups of screws is arranged with four groups of tapped holes simultaneously.
Oil-feed stopper is identical with the structure of the stopper of draining the oil, and includes handle, spheroid, seal bowl, stop pad, rotating shaft and locating stud; Wherein, spheroid is located in the duct of oil circuit corresponding to position, and described spheroid is arranged with seal bowl outward, and is provided with a through hole at spheroid middle part; Spheroid side is provided with rotating shaft, and rotating shaft can drive spheroid rotation, and described rotating shaft main body is located in valve body, between the head end of rotating shaft and spheroid, by bayonet fittings, be connected, the tail end of rotating shaft extends outside valve body, and is provided with handle at the tail end of rotating shaft, and handle can be controlled rotating shaft and rotate; Wherein, between described handle and valve body outer side wall, there is ,Gai gap, space to be provided with stop pad.
In addition the position that, is positioned at each stop valve below on valve body outer side wall is equipped with a locating stud.
The utility model usefulness is:
Accumulator cut-off control valve of the present utility model is produced and being connected between parts can be adopted board-like linkage structure with other, therefore there is no middle pipe arrangement pipeline, the very convenient installation in accumulator, replacing or exchange; In addition, its whole valve group good seal performance, interface is few, therefore greatly reduces the possibility of leakage of oil oil impregnate; Meanwhile, the utility model is by the optimization of structure, provides more flexibly and oil circuit mode of operation easily, contributes to good being useful in the middle of different production environments, possesses good practicability.
Accompanying drawing explanation
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail:
Fig. 1 is the structural representation of model utility;
Fig. 2 is the tangent plane structural representation of Fig. 1;
Fig. 3 is assembling schematic diagram of the present utility model;
Fig. 4 is the schematic diagram of Fig. 3.
Embodiment
In order to make the purpose of this utility model, technological 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.
As Fig. 1 ~ Figure 2 shows that can be used as the accumulator cut-off control valve of the utility model preferred embodiment, comprise valve body 1, on valve body 1, by holing or casting, form P type oil circuit 2 and T-shaped oil circuit 3; One of them port closed of T-shaped oil circuit 3; Oil inlet end at P type oil circuit 2 is provided with oil-feed stopper 4, is provided with a bypass 5 of connecting with T-shaped oil circuit 3 on P type oil circuit 2 in oil outlet to the position between the oil outlet of P type oil circuit 2 of oil-feed stopper 4; Described bypass 5 is provided with the jointing place of T-shaped oil circuit 3 stopper 6 of draining the oil, described in drain the oil stopper 6 and 1 of valve body plug 7 is installed.
On valve body 1 front panel, be arranged with four groups of screws 10, on valve body 1 front panel, the position between four groups of screws 10 is arranged with four groups of tapped holes 9 simultaneously; Wherein tapped hole 9 is installed screw by correspondence and is coordinated, for the installation between accumulator cut-off control valve and accumulator; Screw 10 is installed screw by correspondence, for the installation between accumulator cut-off control valve and oil-way integrated block 1 base plate.In the middle of reality, during disassembling, assembling and replacing accumulator, the installation screw that only need take apart on tapped hole 9 is just passable, because the installation screw on screw 10 can make fastening the stable of oil-way integrated block base plate Shang, holding position that be arranged on of cut-off control valve.
Oil-feed stopper 4 is identical with the structure of the stopper 6 of draining the oil, and includes handle 11, spheroid 12, seal bowl 13, stop pad 14, rotating shaft 15 and locating stud 16; Wherein, spheroid 12 is located in the duct of oil circuit corresponding to position, and described spheroid 12 is outer is arranged with seal bowl 13, and is provided with a through hole at spheroid 12 middle parts; Spheroid 12 sides are provided with rotating shaft 15, rotating shaft 15 can drive spheroid 12 rotations, described rotating shaft 15 main bodys are located in valve body 1, between the head end of rotating shaft 15 and spheroid 12, by bayonet fittings, be connected, the tail end of rotating shaft 15 extends outside valve body 1, and the tail end in rotating shaft 15 is provided with handle 11, handle 11 can be controlled rotating shaft 15 and rotate; Wherein, between described handle 11 and valve body 1 outer side wall, there is ,Gai gap, space to be provided with stop pad 14.
In addition the position that, is positioned at each stop valve 14 below on valve body 1 outer side wall is equipped with a locating stud 16.
When the through hole of spheroid 12 and two ends oilhole concentric, can make hydraulic fluid port communicate; And when by handle 11 operation rotating shafts 15, make spheroid 12 rotate 90
0after, the aperture of spheroid 12 through holes and two ends oilhole in vertical state, are added the oil circuit inclusion seal at seal bowl 13Ba two ends, and therefore now spheroid 12 plays the function of ending oil circuit, hydraulic fluid port sealing; Wherein, locating stud 16 and stop pad 14 have limited spheroid 12 and handle 11 can only be 0
0with 90
0between rotate, spheroid 12 is in 0
0during state, corresponding oil-feed stopper 4 or the stopper 6 of draining the oil are and open normal open state, and spheroid 12 is in 90
0during state, corresponding oil-feed stopper 4 or the stopper 6 of draining the oil be in closed condition, and the on off state of oil-feed stopper 4 and the stopper 6 of draining the oil can regulate according to need of work.
As shown in Fig. 3 ~ Fig. 4, accumulator cut-off control valve is arranged on oil-way integrated block 17 by four screws 10 on valve body 1, and oil-way integrated block 17 is provided with the external interface for being communicated with P type oil circuit 2 and T-shaped oil circuit 3, is convenient to Accumulator arrangements and is connected with hydraulic system.Accumulator cut-off control valve carries out board-like connection by four tapped holes 9 on valve body 1 with accumulator 18 again, so can make maintain and replace can become more succinctly convenient.
Wherein, the installation each other of accumulator cut-off control valve, accumulator 18, integrated oil way block 17 all adopts board-like mounting type.A plurality of accumulators 18 are installed on integrated oil way block 17 together with controlling safety valve by accumulator cut-off control valve of the present utility model with board-like accumulator, 17 of integrated oil way blocks are fixed in ground surface platform by channel-section steel, erecting device is simple in structure, realize installing without pipeization of Accumulator arrangements completely, reduced greatly leakage of oil point.Installation dimension due to accumulator cut-off control valve, accumulator 18 and integrated oil way block 17 is guaranteed by process equipment simultaneously, therefore can realize standardization, and accumulator 18 just can be realized completely and exchanging like this, and changes very convenient.