Dam slope reinforcing device for pumped storage power station

Abstract

The utility model discloses a pumped storage power station dam slope reinforcing device which comprises an anchor rod, a stabilizing mechanism used for improving the fixing stability of the anchor rod is arranged in the anchor rod, the stabilizing mechanism comprises a cavity, a through hole, a limiting rod, a screw rod and an extrusion plate, the cavity is formed in the anchor rod, and the through hole is formed in the cavity. And a plurality of limiting holes are evenly formed in the periphery of the interior of the anchor rod, a screw rod is movably arranged in the middle of the inner side of the anchor rod through a bearing, a plurality of extrusion plates are evenly and movably arranged in the cavity in a clamped mode, and the outer side surface of the screw rod is movably sleeved with the extrusion plates through threads. The limiting rod is additionally arranged in the anchor rod, after the anchor rod is inserted into the mounting hole when a side slope is reinforced, the limiting rod is inserted into a surrounding soil layer, then cement grouting is carried out in the mounting hole, and in this way, the anchor rod can be stably fixed to the side slope in cooperation with the limiting rod; therefore, the subsequent slope fixing and reinforcing effect can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to dam slope reinforcement technical field, concretely is a pumped storage power station dam slope reinforcement device. BACKGROUND

[0002] Pumped storage power station is a kind of power generation facility using water energy to store and release energy, and its dam slope reinforcement is an important link to ensure the safe and stable operation of power station, and pumped storage power station is usually constructed in complex terrain mountainous area, and dam slope faces the challenge of various natural and artificial factors, such as unstable geological structure, large difference in stratum lithology, fracture and fault development etc. These factors can all lead to the decrease of dam slope stability, and further threaten the safe operation of power station. Therefore, it is necessary to reinforce dam slope.

[0003] And the fixing mode of the anchor rod is generally used in the prior art, such as the Chinese patent application No. 202320819908.X, a pumped storage power station dam slope reinforcement device, which increases the fixing effect of anchor rod and mounting hole by fin 5 when in use, but the fin 5 is short and small, and the fixing effect of the fin 5 with the inner side wall of the mounting hole is limited after being inserted into the mounting hole, so the fixing effect provided is also limited, and therefore it is necessary to improve the pumped storage power station dam slope reinforcement device. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a pumped storage power station dam slope reinforcement device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a pumped storage power station dam slope reinforcement device, comprising an anchor rod, a stabilizing mechanism for improving the fixing stability of the anchor rod is arranged inside the anchor rod, the stabilizing mechanism comprises a cavity, a through hole, a limiting rod, a screw rod and an extrusion plate, a cavity is arranged inside the anchor rod, a plurality of limiting holes are uniformly arranged around the inside of the anchor rod, a screw rod is movably arranged on the inner side of the middle part of the anchor rod through a bearing, a plurality of extrusion plates are movably and clamped inside the cavity, and the extrusion plates are movably sleeved on the outer side surface of the screw rod through threads.

[0006] Preferably, a twisting block is fixedly arranged at one end of the screw rod, which can facilitate the rotation of the screw rod and the movement of the extrusion rod driven by the screw rod.

[0007] Preferably, a fixed plate is fixedly arranged at one end of the anchor rod, which can increase the anchoring and fixing range of the anchor rod.

[0008] Preferably, screws are fixedly arranged at the four corners of the outer side surface of the fixed plate, which can facilitate the connection of the fixed plate with the protective net or other structures, thereby further increasing the anchoring and fixing range of the anchor rod.

[0009] Preferably, the cross section of the cavity is rectangular, and the extrusion plate is clamped by the rectangular cavity, so that the extrusion plate can only move forward and backward inside the cavity and cannot rotate, which can prevent the limiting plate from rotating when the screw rotates, so that the screw rotation can only drive the limiting plate to move forward and backward.

[0010] Preferably, one end of the limiting rod is fixedly provided with a sharp head, and the other end of the limiting rod away from the sharp head is fixedly provided with a limiting block, and the sharp head can facilitate insertion of the limiting rod into the soil layer around the anchor rod installation hole.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1. The utility model discloses a screw rod is rotated through the twist and turn block, and the extrusion plate can be driven to move forward and backward inside the cavity under the action of the screw thread, and when the extrusion plate moves, the limiting rod can be extruded to move out of the through hole, and the state shown in the figure is formed. Figure 4 So the limiting rod can be inserted into the surrounding soil layer, and then cement grouting is carried out in the installation hole, so that the anchor rod can be stably fixed on the slope, thereby improving the subsequent slope fixing and reinforcing effect.

[0013] 2. The utility model discloses a whole operation is convenient, only needs to guarantee the anchor rod fixed, and then utilizes the electric wrench to rotate the screw rod, and multiple limiting rods can move outwards, so that multiple limiting rods can be inserted into the soil, thereby making the device convenient to operate and easy to use. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the utility model discloses a pumped storage power station dam slope reinforcing device.

[0015] Figure 2 It is a sectional view of the utility model discloses a pumped storage power station dam slope reinforcing device.

[0016] Figure 3 It is the front view of the utility model discloses a pumped storage power station dam slope reinforcing device in Figure 2 It is the front view of the utility model discloses a pumped storage power station dam slope reinforcing device in

[0017] Figure 4 It is the front view of the utility model discloses a pumped storage power station dam slope reinforcing device in

[0018] In the drawing: 1, anchor rod;2, cavity;3, through hole;4, limiting rod;5, screw rod;6, extrusion plate;7, twist and turn block;8, fixed plate;9, screw;10, sharp head;11, limiting block. PREFERRED EMBODIMENT

[0019] Clearly, the described embodiments are merely a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present utility model.

[0020] Please refer to Figures 1-4 The utility model provides a technical scheme: a pumped storage power station dam slope reinforcing device, including anchor rod 1, the inside of anchor rod 1 is provided with the stabilizing mechanism for improving the stability of anchor rod 1 fixed, the stabilizing mechanism includes cavity 2, through -hole 3, limit rod 4, screw rod 5, extrusion plate 6, the inside of anchor rod 1 is provided with cavity 2, the inside of anchor rod 1 is evenly provided with a plurality of limit holes, the inside of anchor rod 1 is movably provided with screw rod 5 in the middle part, the inside of cavity 2 is evenly movably clamped and is provided with a plurality of extrusion plates 6, the inside of extrusion plate 6 is movably sleeved on the outside surface of screw rod 5 through thread.

[0021] One end of screw rod 5 is fixedly provided with twist block 7, and screw rod 5 can be conveniently rotated through twist block 7, so that extrusion rod can be driven to move through screw rod 5.

[0022] One end of anchor rod 1 is fixedly provided with fixed plate 8, and the anchoring range of anchor rod 1 can be increased through fixed plate 8.

[0023] The outside surface of fixed plate 8 is fixedly provided with screw 9 at the four corners, and fixed plate 8 can be conveniently connected with protective net or other structures through screw 9, so that the anchoring range of anchor rod 1 can be further increased.

[0024] The cross section of cavity 2 is rectangular, and extrusion plate 6 is clamped in rectangular cavity 2, so that extrusion plate 6 can only move forward and backward in cavity 2 and cannot rotate, which can prevent limit plate from rotating when screw rod 5 rotates, so that screw rod 5 can only drive limit plate to move forward and backward when rotating.

[0025] One end of limit rod 4 is fixedly provided with sharp head 10, and the end of limit rod 4 away from sharp head 10 is fixedly provided with limit block 11, and limit rod 4 can be conveniently inserted into the soil layer around the installation hole of anchor rod 1 through sharp head 10.

[0026] Working principle: when the dam slope of the pumped storage power station needs to be anchored, a hole is drilled on the surface of the dam slope, then anchor rod 1 is fixed, anchor rod 1 is inserted into the hole, and then cement is poured and waits for the cement to solidify, so that the overall fixing and installation of anchor rod 1 can be completed, which is consistent with the prior art.

[0027] And the device can ensure that the anchor rod 1 is fixed before grouting, then the workpiece rotates the rotating block 7, then the rotating block 7 rotates the screw rod 5, so that the extrusion plate 6 can be driven to move forward and backward in the cavity 2 under the action of the screw thread, when the extrusion plate 6 moves, the limiting rod 4 can be extruded, so that the limiting rod 4 moves out of the through hole 3, forms Figure 4 In the state shown, so that the limiting rod 4 is inserted into the surrounding soil layer, and then cement grouting is carried out in the installation hole, so that the anchor rod 1 can be stably fixed on the slope, thereby improving the subsequent slope fixing and reinforcing effect.

[0028] And the device is convenient to operate as a whole, only need to ensure that the anchor rod 1 is fixed, then rotate the screw rod 5 by using the electric wrench, so that the plurality of limiting rods 4 move out and open to the surrounding, so that the plurality of limiting rods 4 are inserted into the soil, thereby the device is convenient to operate and easy to popularize and use.

[0029] It should be noted that in this paper, the relationship terms such as first and second 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 the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A device for reinforcing the slope of a pumped storage power plant dam, comprising an anchor rod (1), characterized in that: The anchor rod (1) is internally provided with a stabilizing mechanism for improving the fixing stability of the anchor rod (1), which comprises a cavity (2), a through hole (3), a limiting rod (4), a screw rod (5), and an extrusion plate (6), the anchor rod (1) is internally provided with the cavity (2), a plurality of limiting holes are uniformly arranged on the periphery of the anchor rod (1), the screw rod (5) is movably arranged on the inner side of the middle part of the anchor rod (1) through a bearing, a plurality of extrusion plates (6) are movably and clamped in the cavity (2), and the extrusion plates (6) are movably and sleeved on the outer side surface of the screw rod (5) through threads.

2. A device for reinforcing the slope of a dam of a pumped storage power plant according to claim 1, characterized in that: One end of the screw rod (5) is fixedly provided with a twisting block (7).

3. The device for reinforcing the slope of a dam of a pumped storage power station according to claim 1, characterized in that: One end of the anchor rod (1) is fixedly provided with a fixed plate (8).

4. The device for reinforcing the slope of a dam of a pumped storage power station according to claim 3, characterized in that: Screws (9) are fixedly arranged at the four corners of the outer side surface of the fixed plate (8).

5. The device for reinforcing the slope of a dam of a pumped storage power station according to claim 1, characterized in that: The cross section of the cavity (2) is rectangular.

6. The device for reinforcing the slope of a dam of a pumped storage power station according to claim 1, characterized in that: One end of the limiting rod (4) is fixedly provided with a sharp head (10), and the other end of the limiting rod (4) away from the sharp head (10) is fixedly provided with a limiting block (11).

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