The fluid pressure drive device that is used for vertically rotary flood and preventive door
The utility model relates to a kind of anti-fluid pressure drive device that floods the airtight partition door of protection of subway civil air defense constructions and installations, particularly a kind of fluid pressure drive device that is used for vertically rotary flood and preventive door of being used for.
In the prior art, manual manipulation is generally adopted in the driving of the flood and preventive door in the subway civil air defense constructions and installations, and wherein primary structure is to realize manual controlling by gear drive or Worm and worm-wheel gearing.Compare with the utility model that adopts the hydraulic-driven scheme, the scheme of above-mentioned transmission mechanism for rapid operation, can only get the speed designs of opening and closing door leaf very slow owing to all there is bigger resistance, opening or closing once needed about 5 minutes time, and can not far control automatic open and close.The maintenance work amount of gear, Worm and worm-wheel gearing is big.
The utility model content
Technical problem to be solved in the utility model is to overcome the existing vertically rotary flood and preventive that is used for to protect airtight partition door and manually control the open and close technology, automatically remote-control operation, switch are required great effort and deficiency time-consuming, that the maintenance work amount is big, the fluid pressure drive device that a kind of compact conformation is reasonable, can far control the switch door leaf under moving water condition is provided, under powering-off state, has the function of manually opened door leaf.
The technical scheme in the invention for solving the above technical problem is: this is used for the fluid pressure drive device of vertically rotary flood and preventive door, be installed in the door leaf back, comprise electrical control cabinet, collapsible push rod group, push rod and rear push-rod before described push rod group comprises, its characteristics are: also be provided with the hydraulic cylinder assembly, the hydraulic cylinder leg assembly, hydraulic power unit and valve group and support assembly, preceding push rod one end is hinged with the door upper bracket that is installed on the door leaf, the other end and rear push-rod are hinged, bearing pin bearing on the rear push-rod other end and the support assembly is hinged, described hydraulic cylinder assembly comprises hydraulic cylinder and piston rod, piston rod and rear push-rod are hinged, hydraulic cylinder rotates and is arranged on the hydraulic cylinder leg assembly, and the hydraulic cylinder leg assembly is fixed on the support assembly.The utility model can realize that vertically rotary flood and preventive protects the operation of airtight partition door control high-speed switch far away automatically.Above-mentioned all devices is installed in the door leaf back, and mechanism's compactness realizes the feasible requirement of subway engineering small space layout.The hydraulic cylinder assembly is the executing agency of operation door leaf switch; hydraulic power unit and valve group are to open or close the device of direction for executing agency provides pressure oil-source and control door leaf; simultaneously; that whole system also is provided with is complete, far control and the necessary detection of safe operation, protective device, as hydraulic cylinder travel detections, actuating member position probing, system pressure detect, fuel tank liquid level detection and warning, superpressure and under-voltage protection, stroke transfinite and protect etc.Vertical solution press pump group is adopted in design, and plug-in type is arranged on the fuel tank; Hydraulic valve bank adopts the height integrated structure, and whole system is arranged very compact.
But hydraulic cylinder leg assembly described in the utility model is a double-swing cross hinge, and the whole steel sheet welded construction is adopted in design, compares with the cast structure of routine, has the advantage that is easy to guarantee from heavy and light, quality.Rack body is the U-shaped frame, becomes rectangular frame after top blind flange is used bolt and the U-shaped frame is fixing, and the two sides of U-shaped frame are the twin webbed t beam structure, are respectively arranged with the bearing hole of placing hydraulic cylinder on U-shaped frame bottom girder and the top blind flange.
Support assembly described in the utility model is to be welded by upper and lower flat board and six gussets, and the bearing pin bearing is welded on the support assembly, fixed hydraulic jar support assembly on the upper flat plate, and following flat board is fixed with ground.Support assembly is the whole steel sheet welded construction, is the member that equipment such as hydraulic power unit and valve group, hydraulic cylinder assembly, bearing pin bearing are installed together, and is that product is paid the unit, and on-site installation work is greatly reduced.
Collapsible push rod group described in the utility model has two groups, upper and lower settings is at the door leaf back, push rod and rear push-rod before every group of push rod group comprises respectively, preceding push rod one end is hinged with the door upper bracket that is installed on the door leaf, the other end and rear push-rod are hinged, parallel to each other between the corresponding push rod of two groups of push rod groups, rear push-rod one end and preceding push rod in the lower push-rod group are hinged, bearing pin bearing on the other end and the support assembly is hinged, rear push-rod in piston rod and the lower push-rod group is hinged, also be provided with bearing pin, rear push-rod in described bearing pin and the lower push-rod group is hinged, bearing pin is connected as a single entity by flange and jackshaft, rear push-rod one end in jackshaft and the upper push-rod group is hinged, and the preceding push rod of the rear push-rod other end and this upper push-rod group is hinged, and described jackshaft is provided with A-frame near upper push-rod group place, jackshaft passes the middle axle sleeve of A-frame, and other 2 of A-frame are fixed on the body of wall by the wall upper bracket.Adopt the maximum characteristics of collapsible push rod group to be: 1. to form complete folded state, the apparatus arrangement space is greatly saved because door leaf is opened rear push-rod; 2. make the moment change curve of closing the door meet the moment of resistance change curve that moving water is closed the door substantially, when promptly door leaf is near the little aperture of contract fully, water resistance moment maximum, simultaneously, the moment of closing the door that the push rod group produces also reaches maximum value.
Axle sleeve, connecting rod and wall upper bracket in the middle of A-frame described in the utility model comprises, connecting rod one end and middle axle sleeve are hinged, and the other end and wall upper bracket are hinged, and the drift angle of A-frame is 60 °～120 °.For there being interval can rely on the length of adjusting connecting rod to adapt to the actual arrangement demand behind the door than large space.
The utility model compared with prior art has the following advantages:
1, adopts the anti-airtight partition door scheme of protection of flooding of hydraulic-driven subway civil air defense constructions and installations; manual operation effort, time-consuming shortcoming have not only been overcome; can realize that simultaneously the far away control of door leaf under moving water condition operate automatically, the hydraulic system safety protection function is complete, and is safe and reliable to operation.Under powering-off state, still has manual operation function.
2, adopt collapsible push rod group to promote the door leaf switch, compact conformation has not only been saved the apparatus arrangement space, make it be specially adapted to the narrow and small subway environment in space, simultaneously, the moment that water is closed the door is consistent substantially with the moment of resistance, saved operational power, technical very reasonable.
3, whole fluid pressure drive device is integrated is installed on the support assembly, significantly reduces the on-site installation work amount, improves installation effectiveness.
4, open and close door leaf speed is fast, can finish the open and close operation in 1 minute and 30 seconds.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model structure vertical view.
Fig. 3 is the utility model A-frame structural representation.
Fig. 4 is the utility model hydraulic cylinder leg assembly agent structure schematic diagram.
Fig. 5 is the utility model hydraulic cylinder leg assembly top blind flange structural representation.
The specific embodiment
Referring to Fig. 1-Fig. 5, the utility model comprises a upper bracket 1, hydraulic cylinder assembly 2, hydraulic cylinder leg assembly 3, hydraulic hoist pumping plant and valve group 4, electrical control cabinet 5, A-frame 6, jackshaft 7, middle axle sleeve 8, support assembly 9, bearing pin bearing 10, bearing pin 11, upper push-rod group I, lower push-rod group II, wall upper bracket 17, connecting rod 18, push rod 12 and rear push-rod 13 before upper push-rod group I comprises, push rod 14 and rear push-rod 15 before lower push-rod group II comprises.
One end of preceding push rod 12,14 is rotationally connected with a door upper bracket 1 that is installed on the door leaf, the other end is rotationally connected with rear push-rod 13,15 respectively, bearing pin bearing 10 on the other end of rear push-rod 15 and the support assembly 9 is rotationally connected, and rear push-rod 13 is rotationally connected with an end of jackshaft 7.Corresponding push rod between the last lower push-rod group is parallel, and promptly the preceding push rod 14 among the preceding push rod 12 among the upper push-rod group I and the lower push-rod group II is in same plane and parallel, and rear push-rod roughly the same.Described hydraulic cylinder assembly 2 comprises hydraulic cylinder 2-1 and piston rod 2-2, rear push-rod 15 among piston rod 2-2 and the lower push-rod group II is rotationally connected, hydraulic cylinder 2-1 rotates and is arranged on the hydraulic cylinder leg assembly 3, hydraulic cylinder leg assembly 3 is fixed on the support assembly 9, hydraulic cylinder leg assembly 3 adopts whole steel sheet to be welded, rack body is a U-shaped frame 31, top blind flange 32 usefulness bolts and U-shaped frame 31 tops are fixed, the two sides of U frame are twin webbed t beam structure 33, are respectively arranged with the bearing hole 35 of placing hydraulic cylinder on U-shaped frame bottom girder 34 and the top blind flange 32.
Electrical control cabinet 5 is arranged on the place apart from the about 1m of door leaf full-gear, places by wall.Hydraulic hoist pumping plant and valve group 4 are to open or close the device of direction for hydraulic cylinder assembly 2 provides pressure oil-source and control door leaf, are installed on the support assembly 9.Support assembly 9 is to be welded by upper and lower flat board and six gussets, and bearing pin bearing 10 is welded on the support assembly 9 and is connected as a single entity with support assembly 9, fixed hydraulic jar support assembly 3 on the upper flat plate, and following flat board is fixed with ground.Bearing pin 11 is connected with rear push-rod 15 among the lower push-rod group II, bearing pin 11 is connected as a single entity by flange 19 and jackshaft 7, jackshaft 7 is connected with rear push-rod 13 1 ends among the upper push-rod group I, described jackshaft 7 is provided with A-frame 6 near upper push-rod group I place, axle sleeve 8, connecting rod 18 and wall upper bracket 17 in the middle of A-frame 6 comprises, connecting rod 18 1 ends and middle axle sleeve 8 are rotationally connected, and the other end and wall upper bracket 17 are rotationally connected.Jackshaft 7 passes the middle axle sleeve 8 on A-frame summit, and other 2 of A-frame are fixed on the body of wall by wall upper bracket 17.A-frame is preferably equilateral triangle, and drift angle is 60 °～120 °.
Adopt two groups of push rods up and down in the present embodiment, upper push-rod group one end is fixed on the body of wall by A-frame, drives by the axle connection between the last lower push-rod group, adopts a hydraulic cylinder control.When the door leaf volume ratio is less, also can promptly omit the upper push-rod group in the present embodiment only with one group of push rod, and the axle between corresponding A-frame and the last lower push-rod group.When the door leaf volume ratio is bigger, also can correspondingly increase the push rod group again, adopt axle to connect between each push rod group and drive, adopt a hydraulic cylinder control equally.
Order was as follows when the utility model was installed: hydraulic power unit and valve group, bearing pin bearing are installed on the support assembly and pay the unit for product export, be transported to whole in place fixing behind the erecting bed, collapsible push rod group is installed again, then hydraulic cylinder assembly and hydraulic cylinder leg assembly are installed on the support assembly, high-pressure hose and electrical wiring between hydraulic cylinder and the valve group are installed at last.It more than is the mounting method that adopts the collapsible push rod group of a cover, the collapsible push rod group of two covers up and down can be set under the stressed bigger situation of door leaf, at first finish the installation of lower push-rod group, mounting flange and jackshaft make bearing pin fixedly connected by flange with jackshaft then.Jackshaft directly and rear push-rod one end of upper push-rod group hinged, an end of the rear push-rod other end and preceding push rod is hinged, it is preceding that to push away the dried other end hinged with a upper bracket, all hinged place employing axle head baffle plates prevent to move axially.Be noted that: up and down two cover push rod groups installation after, must guarantee corresponding push rod central plane in same plane and parallel, two overlap the preceding push rod of push rod groups and rear push-rod the junction angle identical.
Command system is sent out the instruction that door leaf opens or closes during work, hydraulic power unit is finished No Load Start and decompression by setup program earlier, hydraulic valve bank gets the corresponding electromagnet of reversal valve by the requirement of opening the door or close the door, fluid is when hydraulic cylinder rod chamber fuel feeding, the piston rod withdrawal, collapsible push rod group gradually becomes extended configuration by folded state, implements the door leaf shutoff operation, during to the door leaf contract fully, shut down and unloading behind the position signalling instruction blocking mechanism locking door leaf; Otherwise when fluid during to hydraulic cylinder rodless cavity fuel feeding, piston rod stretches out; collapsible push rod group gradually becomes folded state by extended configuration; implement the door leaf open operation, after putting in place to the door leaf standard-sized sheet, position signalling instruction locking device carries out shutting down and unloading behind the door leaf lock operation.