Protection device for water gate stilling pool drain pipe filter screen
By designing a protective device for the drainage pipe filter for the sluice gate exhaust pool, the problem of the filter being easily washed away or destroyed is solved, and the normal pressure reduction effect of the drainage pipe is achieved, extending the life of the sluice gate and saving costs.
Patent Information
- Application Number
- CN202421137894.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-23
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-05-23
AI Technical Summary
The drainage pipe filter of the sluice gate exhaust pool is easily washed away or damaged, resulting in damage to the drainage pipe and unable to perform a normal pressure reduction effect.
A protective device is designed, including an extension nut, two bolts screwed on both ends of the extension nut, and a nut threaded on the two bolts respectively. By tightening and loosening the length of the control device, it is fixed to the drain pipe, and a rubber gasket is provided on the nut to prevent it from being stuck.
It effectively prevents the damage and flushing of the drain pipe filter, enables the drain pipe to play a normal role in reducing pressure, extends the life of the sluice, facilitates later management and saves project costs.
Smart Images
Figure CN222585835U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of hydraulic construction, in particular to a protective device for a filter screen of a drainage pipe of a sluice stilling pool. Background Art
[0002] The water conservancy and hydropower industry has a set of mature and effective methods to solve the problem of seepage filtration and drainage behind the sluice gate. The seepage filtration and drainage system of the sluice gate is generally composed of a filter layer, a drainage body, and drainage holes on the bottom plate of the energy dissipation pool. Among them, in order to guide the seepage after filtration, drainage holes are set at the rear of the bottom plate of the energy dissipation pool. The aperture and spacing of the drainage holes depend on the project conditions. A drainage pipe is set in the drainage hole. The drainage pipe is filled with a sleeve of graded gravel. The pipe mouth is sealed with a filter screen. Since the filter screen has no protective device, it is easy to fall off and cause damage to the drainage pipe. Utility Model Content
[0003] The technical problem to be solved by the utility model is to provide a protective device for a filter screen of a drainage pipe of a sluice stilling pool which can prevent the filter screen from being washed away and damaged.
[0004] The utility model solves the technical problem by adopting a technical solution: the protective device for the filter screen of the drainage pipe of the sluice stilling pool comprises an extended nut, two bolts screwed on the two ends of the extended nut and nuts respectively screwed on the two bolts.
[0005] Furthermore, the length of the extended nut is greater than the length of the nut.
[0006] Furthermore, elastic gaskets are arranged on the nuts of the two bolts.
[0007] Furthermore, the elastic gasket is a rubber gasket.
[0008] Furthermore, a groove is formed on the nut, and the rubber gasket is fixedly connected in the groove.
[0009] The protective device for the filter screen of the drainage pipe of the sluice stilling pool comprises two bolts, two nuts and an extended nut. The two bolts and the nut are respectively screwed on both sides of the extended nut, and the length of the whole device is controlled by tightening and loosening the two sides. The utility model can avoid the damage and loss of the drainage pipe filter screen, so that the drainage pipe can play a normal decompression role, improve the service life of the sluice, facilitate the later maintenance of the sluice, and thus save engineering costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] The present invention will be further described below with reference to the accompanying drawings and embodiments, in which:
[0011] Figure 1 It is a side view of a protective device for a filter screen of a drainage pipe of a sluice stilling pool according to an embodiment of the utility model;
[0012] Figure 2 It is a schematic structural diagram of a protective device for a filter screen of a drainage pipe of a sluice stilling pool according to an embodiment of the utility model;
[0013] Figure 3 It is a side view of a protective device for a filter screen of a drainage pipe of a sluice stilling pool according to another embodiment of the utility model;
[0014] Figure 4 It is a structural schematic diagram of a protective device for a filter screen of a drainage pipe of a sluice stilling pool according to another embodiment of the utility model;
[0015] Figure 5 It is a structural diagram of the embodiment of the utility model after the protection device for the filter screen of the drainage pipe of the sluice stilling pool is installed;
[0016] Figure 6 It is a structural diagram of the embodiment of the utility model after the protection device for the filter screen of the drainage pipe of the sluice energy dissipation pool is installed.
[0017] Description of reference numerals:
[0018] 1. Bolt; 2. Nut; 3. Extension nut; 4. Rubber gasket; 100. PVC pipe. DETAILED DESCRIPTION
[0019] In order to have a clearer understanding of the technical features, purposes and effects of the present utility model, the specific implementation methods of the present utility model are now described in detail with reference to the accompanying drawings.
[0020] like Figure 1 and Figure 2 As shown, the protective device for the drainage pipe filter screen of the sluice stilling pool includes an extended nut 3, two bolts 1 screwed on both ends of the extended nut 3, and nuts 2 respectively screwed on the two bolts 1, and the length of the extended nut 3 is greater than the length of the nut 2.
[0021] The protective device for the filter screen of the drain pipe of the sluice stilling pool comprises two bolts 1, two nuts 2 and an extended nut 3. The two bolts 1 and the nut 2 are respectively screwed on both sides of the extended nut 3, and the length of the whole device is controlled by tightening and loosening the two sides. The utility model can avoid the damage and loss of the filter screen of the drain pipe, so that the drain pipe can play a normal decompression role, improve the service life of the sluice, facilitate the later maintenance of the sluice, and thus save engineering costs.
[0022] Considering that the device is prevented from getting stuck in the pipeline during installation, in another embodiment, Figure 3 and 4As shown, elastic gaskets are arranged on the nuts of the two bolts 1. The elastic gaskets have a certain degree of stretchability and a large friction. After being installed into the pipeline, the elastic gaskets can be squeezed by the inner arm of the pipeline to effectively prevent them from being stuck in the pipeline. At the same time, because the elastic gaskets have increased friction with the inner wall of the pipeline, the device can be stably supported in the pipeline.
[0023] Preferably, the elastic gasket is a rubber gasket 4, a groove is provided on the nut, and the rubber gasket 4 is fixedly connected in the groove. Of course, the rubber gasket 4 and the nut can also adopt an adhesive structure to achieve the connection between the rubber gasket 4 and the nut.
[0024] During the construction of the sluice energy dissipation pool, in order to reduce the uplift pressure of the bottom plate of the energy dissipation pool, the accumulated water under the apron needs to be discharged quickly, so a drainage pipe must be set up. This device can effectively protect the drainage pipe filter and anti-filter material to prevent them from being washed away and damaged, resulting in blockage of the drainage pipe and failure to reduce drainage pressure.
[0025] like Figure 5 and 6 As shown, the installation of the device is as follows: put the stainless steel sleeve into the PVC pipe 100100 on site, cover the filter screen on the sleeve, and then assemble the device, screw the device to the appropriate length, place it on the pipe cover, embed it in the PVC pipe 100100, and assemble the next drain pipe after completing a cycle.
[0026] Finally, it should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.
[0027] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention of the utility model.
Claims
1. A protective device for a filter screen of a water gate stilling pool drainage pipe, characterized in that: It comprises an extended nut (3), two bolts (1) screwed on two ends of the extended nut (3), and nuts (2) respectively screwed on the two bolts (1); Elastic washers are provided on the nuts of the two bolts (1).
2. The protective device for the filter screen of the drainage pipe of the sluice stilling pool according to claim 1 is characterized in that: The length of the extended nut (3) is greater than the length of the nut (2).
3. The protective device for the filter screen of the drainage pipe of the sluice stilling pool according to claim 1, characterized in that: The elastic gasket is a rubber gasket (4).
4. The protective device for the filter screen of the drainage pipe of the sluice stilling pool according to claim 3 is characterized in that: The nut is provided with a groove, and the rubber gasket (4) is fixedly connected in the groove.