CN223481970U - A simple karst depression sinkhole protection device - Google Patents

Abstract

The utility model discloses a simple karst depression water falling hole protection device, which belongs to the field of water falling hole protection and comprises a water falling hole, wherein a gabion is arranged around the water falling hole, a peripheral permeable wall is arranged at a position far from the gabion by 15-20 m, and a plant fence is arranged between the gabion and the peripheral permeable wall. The utility model aims at the karst depression water falling hole, adopts a mode of establishing a multi-stage circular buffer zone to prevent waste in the depression from entering the hole along with flood, plays a role in protection, and does not influence the water elimination function of the water falling hole.

Description

Simple karst depression falling hole protection device

Technical Field

The utility model relates to the technical field of water falling hole protection, in particular to a simple karst depression water falling hole protection device.

Background

For karst peak cluster depressions, there are often water falling holes at the depressions. From hydrologic function, the drain hole can play the effect of drainage in the basin, and when the water is smooth and easy to remove, the drain hole can play the effect of preventing the emergence of waterlogging.

However, the soil layer at the low-lying place is generally thicker, the soil is fatter, and the soil is very suitable for cultivation, so that the agricultural activities around the water falling hole are more frequent. The frequent agricultural activities mean the generation of a large amount of wastes, and when flood is caused by stormwater, the wastes accumulated in the depressions can enter the drop-in hole along with water flow and block the inlet of the drop-in hole, so that the drop-in hole is not smooth in water elimination, and serious waterlogging is finally caused.

Disclosure of utility model

In order to solve the technical problem that the waste accumulated in the depressions blocks the water falling hole in the prior art, the utility model provides a simple karst depression water falling hole protection device.

In order to achieve the technical scheme, the utility model provides a simple karst depression water falling hole protection device, which comprises a water falling hole, wherein a gabion is arranged around the water falling hole, a peripheral permeable wall is arranged at a position far from the gabion by 15-20 m, and a plant fence is arranged between the gabion and the peripheral permeable wall.

Further, the water draining ditch is connected with the water falling hole, a grid cover plate is paved on the water draining ditch, and a layer of gauze is fixed below the grid cover plate.

Further, a gauze baffle is arranged at the water outlet and the water inlet of the drainage ditch.

Further, the drainage ditch is a trapezoid, rectangle or circular structure built by using grout sheets or concrete.

Further, both the gabion and the peripheral permeable wall are iron wire cages woven by using iron wires, and trapezoidal structures with narrow upper surfaces and wide lower surfaces, which are formed by filling sand and stones into the iron wire cages.

Further, the peripheral infiltrant wall is higher than the gabion.

Further, the gabion has a permeability less than that of the peripheral permeable wall.

The utility model has the beneficial effects that the method for establishing the multi-stage circular buffer zone is adopted aiming at the karst depression water falling hole, so that wastes in the depression are prevented from entering the hole along with flood, the protection effect is achieved, and meanwhile, the water elimination function of the water falling hole is not influenced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic diagram of the overall structure of a simple karst depression drop hole protection device provided by the invention;

Fig. 2 is a top view of a simple karst depression drop hole protection device.

Wherein the above figures include the following reference numerals:

1. A water falling hole, 2 peripheral permeable walls, 3 plant hedges, 4 gabions, 5 drainage ditches.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the authorization specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

Referring to fig. 1 to 2, the utility model provides a simple karst depression water falling hole 1 protection device, which comprises a water falling hole 1, wherein a gabion 4 is arranged around the water falling hole 1, a peripheral permeable wall 2 is arranged at a position far away from the gabion 4 (15 m-20 m), and a plant fence 3 is arranged between the gabion 4 and the peripheral permeable wall 2.

During storm, sediment carried by floods and surface runoffs and garbage generated by villagers in agricultural production can be blocked when the sediment is flushed into the water falling hole 1, so that the drainage function of the depression is lost, and serious waterlogging can be caused. The buffer area of the water falling hole 1 is established to block and deposit sediment and large particles in surface runoff to a certain extent, so that water enters the water falling hole 1 through the buffer area, and other impurities can be blocked by the buffer area.

In the practical use process, the peripheral permeable wall mainly plays a role in initially blocking some wastes with larger sizes, and can allow water to pass through due to the higher permeability of the peripheral permeable wall so as to relieve the surrounding waterlogging condition. The intermediate hedge 3 mainly serves to reduce the flow rate of water and to precipitate suspended particles and the like therein, so that a wetland-like ecosystem can be formed around the cross-belt of the water falling hole 1. The gabion 4 of entrance to a cave is last filtering defense line, and the rivers are very big mainly when mainly aiming at the heavy rain, and when the hedge 3 in the centre is difficult to carry out effectual precipitation, gabion 4 can further filter rivers to prevent in waste material or the muddy commodity circulation falls into water hole 1.

Preferably, the water draining device further comprises a water draining ditch 5, wherein the water draining ditch 5 is connected with the water draining hole 1, a grid cover plate is paved on the water draining ditch 5, and a layer of gauze is fixed below the grid cover plate. That is, the water falling hole 1 is located in the middle of the depression, that is, the lowest point of the whole periphery, and the drainage ditch 5 can directly drain water into the water falling hole 1. When the water flow is smaller, the water flow is directly discharged through the drainage ditch 5, which is equivalent to leaving a fixed drainage outlet for small-scale runoff. When the water flow is large, the drainage ditch 5 can play a role in assisting drainage so as to reduce the drainage pressure of the karst depression water falling hole protection device with simple upper part. And the grid cover plate is paved on the drainage ditch 5, and a layer of gauze is fixed under the grid cover plate, so that sand and stones can be prevented from flowing into the drainage ditch 5, and the blockage in the drainage ditch 5 and/or the sand and stones flowing into the drainage hole 1 are prevented, so that the water elimination function of the drainage hole 1 is affected.

Preferably, a gauze baffle is arranged at the water outlet and the water inlet of the drainage ditch 5. That is, the gauze baffle plate arranged at the water outlet, the water inlet and the water inlet can prevent sediment from rushing into the water drain hole so as to prevent waste from accumulating in the water drain hole.

Preferably, the gutters 5 are trapezoidal, rectangular or circular structures built using grout sheets or concrete.

Preferably, the gabion 4 and the peripheral permeable wall 2 are both iron wire cages woven by using iron wires, and the iron wire cages are filled with trapezoidal structures with narrow upper surfaces and wide lower surfaces and formed by sand stones. The gabion 4 and the peripheral permeable wall 2 can be more stable and are not easy to collapse by using the trapezoid structure with the narrow upper surface and the wide lower surface.

Preferably, the peripheral infill wall 2 is higher than the gabion 4. The peripheral infiltrative wall 2 is a primary barrier to some relatively large waste products such as branches and fertilizer bags. And the primary inflow water flow is large, the height of the water flow after accumulation is high, and if the height of the peripheral permeable wall 2 is low, large waste may pass over the peripheral permeable wall 2.

Preferably, the gabion 4 has a permeability which is less than the permeability of the peripheral permeable wall 2. That is, the peripheral infiltrant wall 2 is primarily for blocking relatively large volumes of waste, while the gabion 4 is primarily for blocking relatively small volumes of waste or mud from flowing into the drop hole 1.

Spatially relative terms, such as "above," "upper" and "upper surface," "above" and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the process is carried out, the exemplary term "above" may be included. Upper and lower. Two orientations below. The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (7)

1. A simple karst depression sinkhole protection device, characterized in that it comprises a sinkhole (1), wherein a gabion (4) is arranged around the sinkhole (1), an outer permeable wall (2) is arranged at a position 15m to 20m away from the gabion (4), and a plant hedge (3) is arranged between the gabion (4) and the outer permeable wall (2). 2. The simple karst depression sinkhole protection device according to claim 1 is characterized in that it also includes a drainage ditch (5), the drainage ditch (5) is connected to the sinkhole (1), a grille cover is laid on the drainage ditch (5), and a layer of gauze is fixed under the grille cover. 3. The simple karst depression sinkhole protection device according to claim 2 is characterized in that mesh baffles are provided at the drain outlet and water inlet of the drainage ditch (5). 4. The simple karst depression sinkhole protection device according to claim 3 is characterized in that the drainage ditch (5) is a trapezoidal, rectangular or circular structure built using mortar sheets or concrete. 5. The simple karst depression sinkhole protection device according to claim 1 is characterized in that the gabion (4) and the outer permeable wall (2) are both wire cages woven with iron wire, and the wire cages are filled with sand and gravel to form a trapezoidal structure that is narrow on the top and wide on the bottom. 6. The simple karst depression sinkhole protection device according to claim 2, characterized in that the height of the outer permeable wall (2) is higher than that of the gabion (4). 7. The simple karst depression sinkhole protection device according to any one of claims 1 to 6, characterized in that the permeability of the gabion (4) is less than the permeability of the outer permeable wall (2).