Summary of the invention
The object of the invention is to, a kind of many frame multi-support-hinge arc-shaped gate with double-lifting-point down-the-holes are provided.To reduce design, manufacturing, transportation, the installation and maintenance difficulty of Segment gate and corresponding opening and closing device.
Technical scheme of the present invention
A kind of many frame multi-support-hinge arc-shaped gate with double-lifting-point down-the-holes, gate door body adopt the multi-frames pattern, and to prop up hinge hinged with on the breastwork that is installed in the lock wall one group; Gate reduces the load that is assigned to every girder and support arm by multi-frames, share the relief port high water head to the huge concentrated water pressure of gate by a plurality of hinges, greatly alleviate the load that is assigned on each hinge, with design, manufacturing, welding, transportation, installation and a difficulty that hinge is cast that solves gate.
In aforementioned many frame multi-support-hinge arc-shaped gate with double-lifting-point down-the-holes, described gate comprises that the upstream face of framework is curved panel by one group of main beam or one group of framework that main longitudinal grider is welded into, and the support arm of the back side of framework and two groups of above emission pencils rigidly connects; One hinge on the end points of every group of emission pencil support arm and the breastwork of lock wall is hinged; The center of circle of the center of rotation of gate and arc upstream face coincides, and makes the total water pressure that acts on the arc upstream face always by a center of rotation of hinge, to reduce force of opening and closing; Current can reduce current to the impact of both sides lock wall by the arc upstream face during sluicing.
In aforementioned many frame multi-support-hinge arc-shaped gate with double-lifting-point down-the-holes, described gate top is provided with two hangers with the vertical center line symmetry, two hangers are connected with the expansion link end of hydraulic cylinder respectively, the cylinder body of hydraulic cylinder middle part be located at across on the platform of gate pier point articulated.
In aforementioned many frame multi-support-hinge arc-shaped gate with double-lifting-point down-the-holes, described gate bottom is provided with two hangers with the vertical center line symmetry, and two hangers are connected with the expansion link end of hydraulic cylinder respectively, the cylinder ends of hydraulic cylinder and to be located at the bearing of both sides lock wall hinged.
Compared with prior art, the technical problem underlying of the present invention's solution:
, a kind of many frame multi-support-hinges Segment gate is provided, make two hinges of two frameworks structure become many frame multi-support-hinges structure, reduce the load that is assigned to every girder and support arm by the multi-frames pattern, share the relief port high water head to the huge concentrated water pressure of gate by a plurality of hinges, greatly alleviate the load that is assigned on each hinge, with design, manufacturing, welding, transportation, installation and a difficulty that hinge is cast that solves gate.
, Segment gate arranges two suspension centres, adopts dual-clyinder rocking formula or suspended hydraulic cylinder to operate, single-cylinder hydraulic cylinder volume lowering half, to solve the difficulty of cylinder design, manufacturing and installation;
, the center of rotation of gate and the center of circle of arc upstream face coincide, and makes the total water pressure that acts on the arc upstream face always by a center of rotation of hinge, to reduce force of opening and closing; Current can reduce current to the impact of both sides lock wall by the arc upstream face during sluicing.4., the hoist chamber top arranges the bridge machine, to solve installation, the Problem difficulty of Segment gate and hydraulic cylinder.
The specific embodiment
The present invention is described in further detail below in conjunction with drawings and Examples.But not as any limitation of the invention foundation.
A kind of many frame multi-support-hinge arc-shaped gate with double-lifting-point down-the-holes, as shown in Figure 1 to Figure 3.Comprise and on the breastwork 3 that is installed in lock wall 2 one group prop up 4, one groups of hinges to prop up hinge 4 hinged with gate 1; Share the relief port high water head to the huge concentrated water pressure of gate by a plurality of hinges, greatly alleviate the load that is assigned on each hinge 4, with design, manufacturing, welding, transportation, installation and a difficulty that hinge is cast that solves gate.Described gate 1 comprises that the upstream face of framework is curved panel by one group of main beam or one group of framework that main longitudinal grider is welded into, support arm 5 welding of the back side of framework and two groups of above emission pencils; One hinge 4 on the end points of every group of emission pencil support arm and the breastwork of lock wall is hinged; The center of circle of the center of rotation of gate and arc upstream face coincides, and makes the total water pressure that acts on the arc upstream face always by a center of rotation of hinge 4, to reduce force of opening and closing; Current can reduce current to the impact of both sides lock wall by the arc upstream face during sluicing.Described gate 1 top is provided with two 6, two hangers 6 of hanger with the vertical center line symmetry and is connected with the expansion link end of hydraulic cylinder 7 respectively, the cylinder body of hydraulic cylinder 7 middle part be located at across fulcrum 8 on the platform of gate pier hinged.As shown in Figure 3, described gate 1 bottom is provided with two 6, two hangers 6 of hanger with the vertical center line symmetry and is connected with the expansion link end of hydraulic cylinder 7 respectively, and the cylinder ends of hydraulic cylinder 7 is hinged with the bearing 9 that is located at both sides lock wall.
Specific implementation process of the present invention and principle
Prior art as shown in Figure 4 and Figure 5, the gate of prior art is two hinges of two frameworks structures, only with the keying of hydraulic cylinder 7 regulating gates.The present invention is to be that the structural change of two hinges of two frameworks is many frame multi-support-hinges structure with existing down-the-hole Segment gate as shown in Figure 1 to Figure 3, utilize a plurality of frameworks and a plurality of hinges to share the now huge concentrated water pressure of some large relief port high water head down-the-hole Segment gate, greatly reduced the load that is assigned to every girder, support arm 5 and a hinge 4, with design, manufacturing, welding, transportation, the installation that solves Segment gate and the difficulty of propping up the hinge casting; Only has a single hanger 6 on the existing gate 1, keying by single cylinder swing type hydraulic cylinder regulating gate 1, become at gate 1 top or bottom double shackle 6 is set, keying by dual-clyinder rocking formula or suspended hydraulic cylinder 7 regulating gates, make single-cylinder hydraulic cylinder 7 open and close volume lowerings half, with the difficulty that solves hydraulic cylinder 7 designs, makes and install; Existing down-the-hole Segment gate hydraulic pump roof section is arranged suspension hook becomes the bridge machine is set, greatly reduce the difficulty that Segment gate and hydraulic cylinder are installed, Effective Raise the efficient of Segment gate with hydraulic cylinder installation, Problem.
During implementation, 4 hinges 4 of horizontal arrangement on the breastwork 3 at lock wall 2 rears, the support arm 5 of 4 and one groups of emissions of each hinge pencil is hinged, the support arm 5 of emission pencil is connected with the framework of gate 1, on the framework to many (greater than 2) main beams of lower layout or from left to right relatively the center line of support arm 5 be arranged symmetrically with many (greater than 2) main longitudinal griders, every main beam or main longitudinal grider all are arranged symmetrically with corresponding many support arms 5 center lines, form the multi-frames pattern, the upstream face of framework is curved panel, and the support arm 5 of the back side of framework and two groups of above emission pencils rigidly connects; On the breastwork 3 of lock wall 2 one group props up hinge 4 centers on the same horizontal linear, and Segment gate 1 top or bottom are established two suspension centres and hydraulic cylinder 7 and hung and be connected by bearing pin; Gate 1 is rigidly connected with support arm 5 and forms many hinges overall structure; Support arm 5 and a hinge 4 are connected to form rotating many frame multi-supports hinge type by bearing pin; Relative vertical center line is arranged symmetrically with two fulcrums 8 at Segment gate 1 top, opening and closing device is the dual-clyinder rocking formula hydraulic cylinder 7 with synchronizing function, hanger 6 on the gate 1 hangs head with hydraulic cylinder 7 and is connected by bearing pin, at the platform structure of gate 1 top setting across gate pier, on platform, satisfy the hole 10 of hydraulic cylinder 7 hydraulic cylinder rocking tendencies with hydraulic cylinder 7 correspondence position settings, support is set above hole 10 is used for supporting cylinder 7, hydraulic cylinder 7 pump houses and relevant device are arranged on the platform; Relative vertical center line is arranged symmetrically with two suspension centres in Segment gate 1 bottom, opening and closing device is the twin-tub suspended hydraulic cylinder 7 with synchronizing function, hydraulic cylinder 7 hangs first end and is connected with hanger 6 on the gate 1 by bearing pin, the other end is connected with the hydraulic cylinder fulcrum 9 of lock wall 2 by bearing pin, and hydraulic cylinder 7 pump houses and relevant device are arranged on the platform at gate 1 top; At the hoist chamber top bridge machine is set, Segment gate and hydraulic cylinder are installed to solve, the difficulty of Problem.
Embodiment 1: as illustrated in fig. 1 and 2, Segment gate 1 is arranged between the lock wall of reservoir dam, and the lock wall 2 on general both sides is reinforced concrete structure, and the platform structure across both sides is set on lock wall 2 tops, platform is provided with hydraulic cylinder 7 fulcrums 8, hydraulic pump and other relevant device.At gate pier or lock wall 1 rear side steel concrete breastwork 3 is set, 4,4 of 4 of horizontal arrangement on the breastwork 3 hinges fixedly the hinge axis hole center on the same horizon.Segment gate 1 is the support arm 5 of launching pencil and just is connected with the fixed hinged seat bearing pin behind the knot with hinge 4 hinge by side direction, gate 1, support arm 5 have consisted of whole fan Segment gate jointly with a hinge 4, and gate 1, support arm 5 can rotate around fixed hinged seat with the overall structure that hinge forms.Dual-clyinder rocking formula hydraulic cylinder 7 of the corresponding installation in each gate 1 top, hydraulic cylinder 7 hangs head and is connected by bearing pin with gate 1 Lifting Lug 6, hydraulic cylinder 7 hydraulic cylinders are supported on the fulcrum 8 by the platform hydraulic cylinder, and hydraulic cylinder can swing in the 10 interior corresponding amplitude ranges of the hole of fulcrum 8 bottoms.
Embodiment 2: as shown in Figure 3, this Segment gate 1 is arranged between the two lock walls of reservoir dam, the lock wall 2 on general both sides is reinforced concrete structure, and the platform structure across both sides is set on lock wall 2 tops, and hydraulic hoist hydraulic oil pump and other relevant device are installed on the platform.At gate pier or lock wall 2 rear sides steel concrete breastwork 3 is set, 4,4 of 4 of horizontal arrangement on the breastwork 3 hinges fixedly the hinge axis hole center on the same horizon.Segment gate 1 is the support arm 5 of launching pencil and just has been connected with the fixed hinged seat bearing pin behind the knot with a hinge 4 by side direction, gate 1, support arm 5 have consisted of whole fan Segment gate jointly with a hinge 4, and gate 1, support arm 5 can rotate around fixed hinged seat with the overall structure that hinge forms.Each gate 1 top is corresponding installs a twin-tub suspended hydraulic cylinder 7, and the hanger 6 that hydraulic cylinder 7 hangs first end and gate 1 bottom is connected by bearing pin, and the hydraulic cylinder fulcrum of the other end and lock wall 29 is connected by bearing pin.
When gate 1 is in closed condition, Segment gate 1 dash, when gate 1 is in opening, Segment gate 1 bottom overcurrent.At the hoist chamber top bridge machine is set, for Segment gate 1 and hydraulic cylinder 7 installations, Problem.The center of circle of the center of rotation of Segment gate 1 and circular arc obstructing surface coincides, and the total water pressure that namely acts on this face is always passed through a center of rotation of hinge 4, so hoisting capacity is few than other type gate; When crossing water, just in time flow surface is the circular arc panel in addition, and both sides lock wall is not for affecting the gate slot of overcurrent, and flow-shape is good than other type gate during sluicing.