CN205077458U - Dam body on hydraulic pressure dam - Google Patents

Abstract

The utility model discloses a dam body of a hydraulic dam, which comprises: a dam body frame; a water-facing surface covering the front of the dam body frame; a concrete layer covering the back side of the dam body frame; The bottom horizontal axis of the bottom; the left side plate and the right side plate located on the left and right sides respectively; wherein, the upper and lower ends of the left side plate and the right side plate are respectively connected with the upper beam and the bottom horizontal axis; the dam frame is laid with steel mesh , using a combination of steel plate and concrete structure, the structure is stable and reliable, saves steel, has good anti-corrosion performance, and has good impact resistance on the water-facing surface.

Description

Dam body of a hydraulic dam

technical field

The utility model belongs to the technical field of water conservancy engineering facilities, in particular to a dam body of a hydraulic dam.

Background technique

Traditional dams are mostly all-steel structures or reinforced concrete structures. All-steel structures use a large amount of steel and require high anti-corrosion levels; reinforced concrete structures have poor impact resistance and freeze-thaw resistance, and low service life.

Utility model content

The technical problem to be solved by the utility model is to provide a dam body of a hydraulic dam with stable and reliable structure, steel saving, good anti-corrosion performance and good impact resistance on the water-facing surface.

In order to solve the above-mentioned technical problems, the technical solution adopted by the utility model is: a dam body of a hydraulic dam, which has:

dam frame;

Cover the facing surface of the front of the dam body frame;

Concrete layer covering the back of the dam frame;

The dam frame has:

the upper beam at the upper part;

the lower bottom horizontal axis;

The left side board and the right side board are respectively located on the left and right sides; wherein, the upper and lower ends of the left side board and the right side board are respectively connected with the upper beam and the bottom horizontal shaft;

The reinforcement mesh is arranged in two layers connected with each other, and the reinforcement mesh is laid in the frame of the dam body.

The four sides of the reinforcement mesh are respectively fixedly connected with the upper beam, the left side plate, the right side plate and the bottom horizontal axis.

Axially distributed steel slats are arranged on the bottom horizontal axis on the back side of the water surface, and the steel mesh is fixedly connected with the steel slats.

The lower end of the water-facing surface is adjacent to the junction with the bottom horizontal axis. There is an inward water-stop surface. The water-facing surface and the water-stop surface completely cover the steel mesh.

The water facing surface is a steel plate, and the four sides of the water facing surface are respectively fixedly connected with the upper beam, the left side plate, the right side plate and the bottom horizontal axis.

The left side plate and the right side plate are also provided with a water stop and a water stop bead, and the water stop tape is pressed onto the water stop by the water stop bead.

The lower support for supporting the turning of the dam body is installed at intervals on the bottom horizontal axis, and the lower support is fixedly installed on the iron anchor pre-buried in the dam foundation.

The bottom horizontal axis is a steel pipe; the upper beam is a circular arc processed from steel pipe or steel plate, and the arc radius of the upper beam is smaller than the radius of the bottom horizontal axis.

The dam body is thin at the top and thick at the bottom; the dam surface is flat or arc-shaped; the concrete grade is above C30.

Hinge bearings connecting the hydraulic cylinder and the support rod are respectively arranged on the backwater surface, the hinge bearings are fixed on the hinge base steel plates, and the hinge base steel plates are fixedly connected with the reinforcement mesh.

One of the above-mentioned technical solutions has the following advantages or beneficial effects: 1. saving steel and low cost; 2. good anti-corrosion performance; 3. increasing the impact resistance of the water-facing surface.

Description of drawings

Fig. 1 is the structural representation of the dam body of the hydraulic dam provided in the utility model embodiment;

Fig. 2 is a structural schematic diagram of the reinforcement mesh provided in the embodiment of the present invention.

The marks in the above figures are: 1. Upper beam, 2. Bottom horizontal axis, 3. Left side panel, 4. Right side panel, 5. Steel mesh, 6. Concrete layer, 7. Lower support, 8. Hinge support.

detailed description

In order to make the purpose, technical solutions and advantages of the present utility model clearer, the implementation of the present utility model will be further described in detail below in conjunction with the accompanying drawings.

Referring to Fig. 1, a dam body of a hydraulic dam has:

dam frame;

Cover the facing surface of the front of the dam body frame;

Concrete layer covering the back of the dam frame;

The dam frame has:

The upper beam on the upper part is arched and made of steel pipe or steel plate;

the lower bottom horizontal axis;

The left side panel and the right side panel are respectively located on the left and right sides; wherein, the upper and lower ends of the left side panel and the right side panel are respectively connected with the upper beam and the bottom horizontal axis;

A reinforced mesh is laid in the frame of the dam body.

The reinforcement mesh is arranged in two layers connected with each other, and the four sides of the reinforcement mesh are respectively welded and fixed with the upper beam, the left side plate, the right side plate and the bottom horizontal axis. As shown in Figure 2, the concrete is poured in the reinforcement mesh to increase the bonding strength of the concrete.

Axially distributed steel slats are arranged on the bottom horizontal axis on the side of the backwater side, and the steel mesh is fixedly connected with the steel slats. A long and narrow steel slat is inlaid on the lower part of the backwater of the dam face. The upper opening of the steel slat is fixed to the steel mesh, and the lower opening is fixed to the bottom horizontal axis, which facilitates the complete coverage of the lower end of the steel mesh and is conducive to the close combination of concrete and the bottom horizontal axis. , increase the binding strength.

The lower end of the water-facing surface is adjacent to the junction with the bottom horizontal axis. An adjoining water-stop surface is provided, and the water-facing surface and the water-stop surface completely cover the steel mesh. Play a sealing role.

The water-facing surface is made of steel plates, and the four sides of the water-facing surface are fixedly connected with the upper beam, the left side plate, the right side plate and the bottom horizontal axis respectively.

The left side plate and the right side plate are also provided with a water stop and a water stop bead, and the water stop tape is pressed on the water stop by the water stop bead. Play a sealing role.

The lower support for supporting the turning of the dam body is installed at intervals on the bottom horizontal axis, and the lower support is fixedly installed on the iron anchor embedded in the dam foundation.

The bottom horizontal axis is a steel pipe; the upper beam is a circular arc processed by steel pipe or steel plate, and the arc radius of the upper beam is smaller than the radius of the bottom horizontal axis.

The width of the lower end of the left slab and the right slab is greater than that of the upper end, and the dam body is a structure with a thin top and a thick bottom; the dam surface is flat or arc-shaped; the concrete grade is above C30.

Hinge supports connecting hydraulic cylinders and support rods are respectively arranged on the back water surface, and the hinge supports are fixed on the hinge seat steel plates, and the hinge seat steel plates are fixedly connected with the steel mesh.

The piston rod end of the main hydraulic cylinder is hinged to the dam surface support, and the lower end is hinged to the dam foundation pit through the hinge shaft and the oil cylinder hinge support. During the process of driving the dam surface up and down, the main hydraulic cylinder swings with the movement of the dam surface.

The support rod and the main hydraulic cylinder are installed on the backwater surface of the dam, the upper end of the support rod is hinged with the dam surface support hinge seat, and the lower end is supported on the rotating support mechanism.

After adopting the above-mentioned structure, 1. The mixed structure of steel and concrete is adopted to save steel and lower the cost; 2. The concrete layer is set up, which has good anti-corrosion performance; 3. The facing surface is made of steel plate, which increases the impact resistance of the facing surface.

The utility model has been exemplarily described above in conjunction with the accompanying drawings. Obviously, the specific implementation of the utility model is not limited by the above-mentioned methods, as long as various insubstantial improvements are made by adopting the method concept and technical solutions of the utility model, or Directly applying the ideas and technical solutions of the utility model to other occasions without improvement is within the protection scope of the utility model.

Claims (10)

1. the dam body on hydraulic pressure dam, is characterized in that, has:

Dam body framework;

Cover the upstream face in dam body framework front;

Cover the layer of concrete at the dam body framework back side;

Described dam body framework has:

Superposed top rail;

Be positioned at the end transverse axis of bottom;

Lay respectively at left plate and the right plate of the left and right sides; Wherein, described left plate is connected with described top rail and end transverse axis respectively with the two ends up and down of right plate;

Steel mesh reinforcement is equipped with in described dam body framework.

2. the dam body on hydraulic pressure dam as claimed in claim 1, it is characterized in that, steel mesh reinforcement divides the two layers of layout that interconnects, and described steel mesh reinforcement surrounding is fixedly connected with end transverse axis with top rail, left plate, right plate respectively.

3. the dam body on hydraulic pressure dam as claimed in claim 2, it is characterized in that, the end transverse axis of described dam body back side side is provided with the steel plate strip of axial distribution, and described steel mesh reinforcement is fixedly connected with steel plate strip.

4. the dam body on hydraulic pressure dam as claimed in claim 3, is characterized in that, the sealing face be provided with end transverse axis binding site in adduction is closed in upstream face lower end, and steel mesh reinforcement covers by upstream face and sealing face completely.

5. the dam body on hydraulic pressure dam as claimed in claim 4, it is characterized in that, described upstream face is steel plate, and upstream face surrounding is fixedly connected with end transverse axis with top rail, left plate, right plate respectively.

6. the dam body on hydraulic pressure dam as claimed in claim 5, it is characterized in that, described left plate and right plate are also provided with waterstop port and sealing press strip, and sealing adhesive tape sealing press strip press-fits on described waterstop port.

7. the dam body on hydraulic pressure dam as claimed in claim 6, is characterized in that, on transverse axis of the described end, spacer sleeve is equipped with the undersetting of supporting dam body upset, and undersetting is fixedly installed on the anchor part that is embedded in the dam foundation.

8. the dam body on hydraulic pressure dam as claimed in claim 7, it is characterized in that, transverse axis of the described end is steel pipe; Described top rail is the circular arc of steel pipe or steel plate processing, and the arc radius of top rail is less than the radius of end transverse axis.

9. the dam body on hydraulic pressure dam as claimed in claim 8, it is characterized in that, dam body is the structure of upper-thin-lower-thick; Dam facing is plate shaped or arc; More than concrete class C30.

10. the dam body on hydraulic pressure dam as claimed in claim 9, it is characterized in that, described back side is respectively equipped with the hinged-support of connecting fluid cylinder pressure and support bar, hinged-support is fixed on free bearing steel plate, and free bearing steel plate is fixedly connected with steel mesh reinforcement.