Steel dam

Abstract

The utility model discloses a steel dam. The steel dam comprises a bottom plate; the bottom transverse shaft is mounted on the bottom plate; one part of the bottom of the gate leaf is connected with the bottom transverse shaft in the extension direction of the long side of the gate leaf, and the other part of the bottom of the gate leaf is provided with a notch; the middle gate pier is installed on the bottom plate, the upper surface of one end of the middle gate pier is an arc-shaped surface, the bending direction of the arc-shaped surface of the middle gate pier faces the side where the gate leaf is located, the arc-shaped surface corresponds to the notch in position, and the arc-shaped surface can be used for supporting at least one part of the gate leaf; the first driving device is connected with the bottom transverse shaft and used for driving the bottom transverse shaft to drive the door leaf to rotate around the axis of the bottom transverse shaft so that the door leaf can be switched between the door closing state and the door opening state. According to the steel dam, opening and closing of the gate can be achieved, and the effect that a river gate pier cannot be seen when water is stored on the upstream can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to gate technical field more particularly, relate to a kind of steel dam. BACKGROUND

[0002] In prior art, by adopting to set gallery type hidden box structure in riverbed bottom, hoist, rotating arm and other components are arranged in hidden box, with high requirement for gate dam bottom plate foundation, expensive civil cost;Hidden box structure is easy to leak, and dampness is big, which is easy to age for hoist and electrical components;Hidden box is integral intercommunication structure, once somewhere leaks, it will affect the operation of whole span gate dam, and the loss is unmeasurable.There are some conventional steel dams in prior art, which have the technical problem that the inter-pier can be seen when water is stored in upstream. SUMMARY

[0003] One purpose of the utility model is to provide a kind of steel dam, at least can solve at least one technical problem in prior art.

[0004] In order to achieve the above purpose, the utility model provides the following technical scheme.

[0005] According to the steel dam of the first aspect embodiment of the utility model, comprising: bottom plate;Bottom horizontal shaft, the bottom horizontal shaft is installed on the bottom plate;Gate leaf, along the extension direction of the long side of the gate leaf, a part of the bottom of the gate leaf is connected with the bottom horizontal shaft, another part of the bottom of the gate leaf has a notch;Intermediate pier, the intermediate pier is installed on the bottom plate, the upper surface of one end of the intermediate pier is arc surface, the bending direction of the arc surface of the intermediate pier is the side towards the position of the gate leaf, the arc surface corresponds with the notch position, and the arc surface can be used to support at least a part of the gate leaf;First driving device, the first driving device is connected with the bottom horizontal shaft, for driving the bottom horizontal shaft to drive the gate leaf to rotate around the axis of the bottom horizontal shaft, so that the gate leaf is switched between closed door state and open door state.

[0006] Optionally, the rotation angle of the gate leaf relative to vertical direction is 0°-90°, the gate leaf is in the closed door state when the rotation angle is 0°, and the gate leaf is in the open door state when the rotation angle is 90°.

[0007] Optionally, the top position of the arc surface corresponds with the rotation angle of the gate leaf of 0°, and the bottom position of the arc surface corresponds with the rotation angle of the gate leaf of 90°.

[0008] Optionally, the distance between the top position and the bottom plate is 1m-10m.

[0009] Optionally, the inner wall surface of the notch is attached to the arc surface.

[0010] Optionally, the first driving device is connected with one end of the bottom horizontal shaft in the axial direction.

[0011] Optionally, the steel dam further comprises two side piers, the first driving device is arranged inside the side piers, and the middle pier is located between the two side piers.

[0012] Optionally, the steel dam further comprises a second driving device, and the second driving device is arranged inside the middle pier.

[0013] Optionally, the first driving device comprises a piston rod, the piston rod is connected with the door leaf, and the piston rod is in a retracted state when the door leaf is in the closed state.

[0014] Optionally, the first driving device comprises a hoist, and the hoist adopts a pump station type hoist structure.

[0015] According to the steel dam of the embodiment of the present application, the bottom plate, the bottom horizontal shaft, the door leaf, the middle pier and the first driving device are combined, the first driving device can be controlled to drive the bottom horizontal shaft to rotate, the rotation of the door leaf is realized, and the opening and closing of the gate are realized.

[0016] Other features and advantages of the present application will become apparent from the following detailed description of exemplary embodiments thereof, taken in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings incorporated in and forming a part of the specification illustrate embodiments of the present application and, together with the description, serve to explain the principles of the present application.

[0018] Figure 1 is a schematic view of a door leaf of a steel dam according to an embodiment of the present application in a closed state;

[0019] Figure 2 is a schematic view of a door leaf of a steel dam according to an embodiment of the present application in a half-closed state;

[0020] Figure 3 is a schematic view of a door leaf of a steel dam according to an embodiment of the present application in an open state;

[0021] Figure 4 is a schematic view of a steel dam according to an embodiment of the present application in a plan view;

[0022] Figure 5 is a schematic view of a steel dam according to an embodiment of the present application in a plan view; Figure 4 is a schematic view of a D region shown in the middle circle;

[0023] Figure 6 Fig. 1 is a perspective view of a steel dam according to the present application; Figure 5 Fig. 2 is a sectional view of the steel dam of Fig. 1 along the direction of the section line A-A;

[0024] Figure 7 Fig. 3 is a sectional view of the steel dam of Fig. 1 along the direction of the section line B-B; Figure 5 Fig. 4 is a sectional view of the steel dam of Fig. 1 along the direction of the section line C-C.

[0025] Figure 8 Fig. 5 is a sectional view of the steel dam of Fig. 1 along the direction of the section line D-D. Figure 5

[0026] Fig. 6 is a sectional view of the steel dam of Fig. 1 along the direction of the section line E-E.

[0027] Fig. 7 is a sectional view of the steel dam of Fig. 1 along the direction of the section line F-F.

[0028] Fig. 8 is a sectional view of the steel dam of Fig. 1 along the direction of the section line G-G.

[0029] Fig. 9 is a sectional view of the steel dam of Fig. 1 along the direction of the section line H-H.

[0030] Fig. 10 is a sectional view of the steel dam of Fig. 1 along the direction of the section line I-I.

[0031] Fig. 11 is a sectional view of the steel dam of Fig. 1 along the direction of the section line J-J.

[0032] Fig. 12 is a sectional view of the steel dam of Fig. 1 along the direction of the section line K-K.

[0033] Fig. 13 is a sectional view of the steel dam of Fig. 1 along the direction of the section line L-L.

[0034] Fig. 14 is a sectional view of the steel dam of Fig. 1 along the direction of the section line M-M. DETAILED DESCRIPTION

[0035] Various example embodiments of the present application will now be described in detail with reference to the accompanying drawings. If a certain embodiment of the present application is illustrated in the drawings, it should not be taken to limit the present application to a certain embodiment but various changes could be made therein by one skilled in the art without departing from the scope of the application as recited in the appended claims.

[0036] The following description with reference to the accompanying drawings is merely illustrative in nature and is in no way limiting. Although specific reference can be made to the examples included herein, it is intended that the application be limited only by the claims.

[0037] Techniques, methods, and apparatus known to those of ordinary skill in the relevant art can not be discussed in detail insofar as they can be readily understood from the disclosure given herein.

[0038] In all examples shown and discussed herein, any specific value should be interpreted as merely illustrative and not as a limitation. Thus, other examples of example embodiments can have different values.

[0039] It is to be understood that the same or similar numerals and letters refer to like or similar items throughout the accompanying drawings. Thus, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0040] ​The steel dam 100 according to an embodiment of the present utility model is described in detail below with reference to the accompanying drawings.

[0041] like Figures 1 to 8 As shown, the steel dam 100 according to an embodiment of the present utility model includes: a base plate 10, a bottom horizontal shaft 20, a gate leaf 30, an intermediate gate pier 40, and a first driving device 50.

[0042] Specifically, the bottom horizontal shaft 20 is installed on the base plate 10, extending along the long side of the door leaf 30. A portion of the bottom of the door leaf 30 is connected to the bottom horizontal shaft 20, and another portion of the bottom of the door leaf 30 has a notch 33. The intermediate gate pier 40 is installed on the base plate 10, and the upper surface of one end of the intermediate gate pier 40 is an arc-shaped surface 41. The curvature direction of the arc-shaped surface 41 of the intermediate gate pier 40 is towards the side where the door leaf 30 is located. The arc-shaped surface 41 corresponds to the notch 33 and can be used to support at least a portion of the door leaf 30. The first driving device 50 is connected to the bottom horizontal shaft 20 to drive the bottom horizontal shaft 20 to rotate the door leaf 30 around the axis of the bottom horizontal shaft 20, so that the door leaf 30 switches between the closed state 31 and the open state 32. For example, the first driving device 50 is a hydraulic gate opener, and the extended end of the bottom horizontal shaft 20 can be connected to the hydraulic gate opener through a crank arm. It should be noted that the connection in this embodiment of the present invention can be a direct connection or an indirect connection.

[0043] In other words, the steel dam 100 according to this embodiment of the present invention mainly includes a base plate 10, a bottom horizontal shaft 20, gate leaves 30, an intermediate gate pier 40, and a first driving device 50. When the gate leaves 30 rotate forward and downward, the gate leaves 30 gradually enter the open state 32; when the gate leaves 30 rotate backward and upward, the gate leaves 30 gradually enter the closed state. The bottom horizontal shaft 20 can be installed on the upper surface of the base plate 10, the long side of the gate leaves 30 can extend along the width direction of the river channel, and the bottom of the gate leaves 30 can be the position where the gate leaves 30 connect to the bottom horizontal shaft 20. The upper surface of the front end of the intermediate gate pier 40 can be an arc-shaped surface 41, and the front end of the intermediate gate pier 40 can be the front end along the water flow direction. The arc-shaped surface 41 of the front end of the intermediate gate pier 40 can be bent forward and upward.

[0044] Therefore, the steel dam 100 according to the embodiment of the utility model, adopt bottom plate 10, bottom horizontal shaft 20, leaf 30, intermediate pier 40 and first drive device 50 combination, can drive bottom horizontal shaft 20 rotation through control first drive device 50, realize the rotation of leaf 30, to realize the opening and closing of gate. And, the area close to the downstream of the intermediate pier 40 can be designed as a circular arc shape, realizing the effect of not seeing the river pier when the upstream water is stored, solving the structure problem of setting the pier in the middle of the long-span river. In addition, the area close to the downstream of the intermediate pier 40 can be designed as a circular arc shape, which can reduce the height of at least a part of the intermediate pier 40, thereby greatly reducing the flood discharge flow resistance; and the leaf 30 is designed to be rotatable, which can also improve the flood discharge efficiency; the steel dam 100 according to the embodiment of the utility model can have good flood discharge and flood control effect through the above design, and the water management capability is improved.

[0045] According to an embodiment of the utility model, the rotation angle of the leaf 30 relative to the vertical direction is 0°-90°, the leaf 30 is in a closed door state 31 when the rotation angle is 0°, and the leaf 30 is in an open door state 32 when the rotation angle is 90°, for example, the leaf 30 is vertically upward in the closed door state 31, the leaf 30 extends horizontally in the open door state 32, and the leaf 30 is in a half-open door state at positions of 60°, 45°, 30°, 20°, etc., and the water flow rate can be adjusted.

[0046] In some specific embodiments of the utility model, the top position of the arc surface 41 corresponds to a rotation angle of 0° of the leaf 30, and the bottom position of the arc surface 41 corresponds to a rotation angle of 90° of the leaf 30. In this embodiment, the relationship between the angle and the position is limited, which facilitates the control of the specific installation height of the leaf 30.

[0047] According to an embodiment of the utility model, the distance between the top position and the bottom plate is 1m-10m. It can be understood that the height and structure of the pier gate chamber (intermediate pier 40) in the river can be optimized and designed according to the demand of the owner. For example, after optimization, the 382m river is divided into 9 holes of 32m and 1 hole of 31m steel dam gate, 9 piers (intermediate piers 40) are designed in the middle of the river, the width is 7m, the pier height can be designed according to the water demand of the owner, and the downstream of the pier is designed as a circular arc shape, which meets the requirement of not seeing the river pier when the upstream water is stored. Alternatively, the distance between the top position and the bottom plate 10 is 2m-2.9m, and the distance between the top position and the top of the leaf 30 in the closed door state is 2.6m-1.7m. Preferably, the height of the pier top from the bottom plate 10 is 2.9m, and the height of the pier top from the top of the leaf 30 is 1.7m, which has the advantages of high cost performance.

[0048] The distance between the top position and the bottom plate 10 is 2m-2.9m, and the distance between the top position and the top of the door leaf 30 in the closed door state 31 is 2.6m-1.7m. That is, the distance between the top of the intermediate pier 40 and the bottom plate 10 is 2m-2.9m, and the distance between the top of the intermediate pier 40 and the top of the door leaf 30 is 2.6m-1.7m. Preferably, the distance between the top of the intermediate pier 40 and the bottom plate 10 is 2.9m, and the distance between the top of the intermediate pier 40 and the top of the door leaf 30 is 1.7m, which can effectively improve the cost performance and reduce the cost.

[0049] In some specific embodiments of the present application, the inner wall surface of the notch 33 is attached to the arc surface 41, thereby improving the water leakage prevention effect.

[0050] According to an embodiment of the present application, the first driving device 50 is connected to one end in the axial direction of the bottom horizontal shaft 20. In this embodiment, by arranging the first driving device 50 on the outside of the length direction of the door leaf 30, the aging of the first driving device 50 due to water leakage can be avoided.

[0051] In some specific embodiments of the present application, the steel dam 100 further comprises: two side piers 60, the first driving device 50 is arranged inside the side pier 60, and the intermediate pier 40 is located between the two side piers 60. For example, the two ends of the bottom horizontal shaft 20 extend outside the gate wall of the side pier 60, and the crank arm of the extended end is connected to the hydraulic hoist. In addition, the first driving device 50 is arranged inside the side pier 60, for example, the hoist is arranged inside the side pier 60 on both sides.

[0052] For example, the number of intermediate piers 40 is 9, and the 382m river is divided into 9 holes of 32m and 1 hole of 31m steel dam 100 gate, and 9 intermediate piers 40 are designed in the middle of the river, and the width of each intermediate pier 40 is 7m.

[0053] According to an embodiment of the present application, as shown in Figure 8 The steel dam 100 further comprises: a second driving device 70, and the second driving device 70 is arranged inside the intermediate pier 40. In this embodiment, the driving efficiency of the door leaf 30 can be improved by the second driving device 70, and the stress balance of the door leaf 30 can be improved.

[0054] In some specific embodiments of the present application, as Figure 6As shown, the first driving device 50 comprises a piston rod 51 connected with the door leaf 30, and when the door leaf 30 is in the closed door state 31, the piston rod 51 is in a retracted state, for example, in the upper support type, the tension closed door, the piston rod is in the retracted state, the distance between the fulcrums is short, and the stability is good. It should be noted that the existing technology is a reverse suspension cantilever type driving connection mode between the hoist and the support arm, and the tension closed door is used when the gate is opened to store water, the piston rod 51 is in an extended state, the distance between the two fulcrums is long, and the stability is poor. In the embodiment, the tension closed door is used, and the piston rod 51 is in the retracted state, so that the stability can be effectively improved. Alternatively, as shown in the figure, Figure 6 As shown, the second driving device 70 and the first driving device 50 are the same in structure, and can also comprise a piston rod 51 connected with the door leaf 30, and when the door leaf 30 is in the closed door state 31, the piston rod 51 is in a retracted state.

[0055] According to an embodiment of the utility model, the first driving device 50 comprises a hoist, and the hoist adopts a pump station type hoist structure. For example, by controlling the hydraulic hoist inside the side gate pier 60, the bottom horizontal shaft 20 is driven to rotate at 0°-90°. In addition, it should be noted that in the prior art, an integrated hoist structure is selected, and the integrated hoist adopts a motor and bidirectional oil pump group positive and negative rotation structure mode, and an integrated valve group is a non-standard self-made valve group, which has poor universality and is not easy to purchase on the market, and original manufacturer accessories must be selected. The integrated hydraulic system oil tank is arranged on the oil cylinder, and has a large volume and is heavy, and is inconvenient to disassemble, maintain and the like. Compared with the prior art, in the embodiment, a pump station type structure is adopted, for example, a one-cylinder-one-station split type structure is adopted, and the pump station accessories can select standardized elements meeting the national standard, have strong universality, are convenient to purchase, and do not need to select original manufacturer accessories. In addition, a one-use-one-backup double system structure mode can also be adopted, so that the oil tank has the advantages of large oil storage capacity, good heat dissipation, low noise, good sealing performance, convenient disassembly and maintenance and the like.

[0056] Alternatively, the steel dam 100 of the embodiment of the utility model further comprises at least one of a bottom water stop, a side water stop, a crank arm, a waterproof sleeve between a bottom shaft and a gate chamber, a hydraulic locking device and the like, and the specific structure can adopt an existing mechanical structure.

[0057] In some specific embodiments of the utility model, a manual driving structure is further included, which is used as a gate emergency dam breaking device, can realize an emergency dam breaking function, and when a gate control system caused by hydraulic system elements, electrical elements or uncertain factors has a problem and cannot normally operate to break the dam, only needs to open the gate emergency dam breaking device to solve the safety hidden trouble problem.

[0058] According to an embodiment of the utility model, at least the first driving device 50 can be networked with a smart water affair platform to realize remote automatic control.

[0059] In summary, the steel dam 100 according to the embodiment of the utility model has at least one of the advantages of reliable structure, low cost, and reduced operation risk, by adopting the combination of the bottom plate 10, the bottom horizontal shaft 20, the gate leaf 30, the middle gate pier 40, and the first driving device 50. It is found through comparison that the dam main body foundation width of the original scheme is 22m, and the porous on-off machine box type branch gallery is distributed, which has large excavation engineering quantity and high civil engineering cost. In comparison, the civil engineering foundation and engineering quantity in one embodiment of the utility model are far lower than those of the original scheme, and the dam main body foundation width is 18m without the box type branch gallery, that is, the dam main body foundation width is 18m, and there is only one main gallery without the underground on-off machine room box type branch gallery. It can be seen that in the embodiment, only the main gallery foundation size needs to be considered, so the civil engineering foundation and excavation engineering quantity are small, and the civil engineering cost is obviously reduced. In another embodiment of the utility model, the steel dam 100 is a gate dam equipment, which mainly comprises the gate leaf 30, the bottom horizontal shaft 20 fixed at the bottom of the gate leaf 30, a plurality of bottom supports, a bottom water stop, a side water stop, a crank arm, a waterproof sleeve between the bottom shaft and the gate chamber, a hydraulic driving device, and a hydraulic locking device. Both ends of the bottom horizontal shaft 20 extend out of the gate wall, and the crank arm at the extending end is connected with the hydraulic on-off machine. The on-off machine house is located in the two side gate piers (side gate piers 60). The on-off machine is controlled to drive the bottom horizontal shaft 20 to rotate 0-90°, so as to realize the opening and closing of the gate. According to one embodiment of the utility model, the steel dam 100 has at least one of the advantages of tension closing, good stability, pump station type structure, emergency dam collapse function, intelligent water control, small excavation engineering quantity, and low civil engineering cost.

[0060] Although some specific embodiments of the utility model have been described in detail through examples, those skilled in the art should understand that the above examples are only for illustration, and are not intended to limit the scope of the utility model. Those skilled in the art should understand that the above embodiments can be modified without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.

Claims

1. A steel dam, characterized in that, The utility model relates to a door leaf rotating mechanism, comprising: a bottom plate; a bottom horizontal shaft mounted on the bottom plate; a door leaf, a part of the bottom of the door leaf is connected with the bottom horizontal shaft along the length direction of the door leaf, and another part of the bottom of the door leaf has a notch; an intermediate pier mounted on the bottom plate, the upper surface of one end of the intermediate pier is an arc surface, the bending direction of the arc surface of the intermediate pier is towards the side where the door leaf is located, the arc surface corresponds to the position of the notch, and the arc surface can be used to support at least a part of the door leaf; a first driving device connected with the bottom horizontal shaft for driving the bottom horizontal shaft to rotate the door leaf around the axis of the bottom horizontal shaft to switch the door leaf between a closed door state and an open door state.

2. Steel dam according to claim 1, characterized in that The rotation angle of the door leaf relative to the vertical direction is 0-90 degrees, the door leaf is in the closed door state when the rotation angle is 0 degrees, and the door leaf is in the open door state when the rotation angle is 90 degrees.

3. Steel dam according to claim 2, characterized in that The top position of the arc surface corresponds to the rotation angle of 0 degrees of the door leaf, and the bottom position of the arc surface corresponds to the rotation angle of 90 degrees of the door leaf.

4. Steel dam according to claim 3, characterized in that The distance between the top position and the bottom plate is 1-10 m.

5. The steel dam of claim 1, wherein The inner wall surface of the notch is in close contact with the arc surface.

6. The steel dam of claim 1, wherein The first driving device is connected with one end of the bottom horizontal shaft in the axial direction.

7. Steel dam according to claim 6, characterized in that Further comprising: two side piers, the first driving device is arranged inside the side piers, and the intermediate pier is located between the two side piers.

8. The steel dam of claim 1, wherein Further comprising: a second driving device arranged inside the intermediate pier.

9. The steel dam of claim 1, wherein The first driving device comprises: a piston rod connected with the door leaf, and the piston rod is in a retracted state when the door leaf is in the closed door state.

10. The steel dam of claim 1, wherein The first driving device comprises: a hoist machine, and the hoist machine adopts a pump station type hoist machine structure.

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