Slope supporting structure for blasting excavation of pumped storage power station

Abstract

The utility model relates to the technical field of slope supporting, and provides a slope supporting structure for blasting excavation of a pumped storage power station. When a currently laid slope is changed due to terrain influence, a ground drilling nail at each through groove can be firstly pulled out, and then a screw cover is screwed to drive a first conical tooth to rotate; a second conical tooth meshed with the side bottom of the first conical tooth drives a threaded rod to rotate synchronously, then an extension supporting sliding plate in threaded connection to the outer side of the threaded rod slides in a sliding way, and through the design, the overall combination length of the slope supporting sleeve plate and the extension supporting sliding plate can be adjusted to be matched with the length of a current slope; secondly, secondary positioning and fixing work is completed on the slope supporting sleeve plate and the extension supporting sliding plate at the current side slope through the ground drilling nails, and compared with a comparison file, the overall length of the slope supporting sleeve plate and the extension supporting sliding plate can be rapidly adjusted without cutting or splicing till the overall length is matched with the length needed by current side slope supporting; therefore, the purpose of reducing construction difficulty and time cost is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of side slope support, specifically, relates to a side slope support structure for blasting excavation of pumped storage power station. BACKGROUND

[0002] The side slope support structure is crucial when blasting excavation of pumped storage power station, and how to adjust the corresponding support length according to the topographic features, especially the slope length, is a problem to be solved at present.

[0003] After retrieval, the announcement number CN216194818U discloses a side slope support structure for soft rock roadbed excavation blasting, which is characterized by: a top protection plate is fixedly provided with a handle at the middle position of the top end, a first fixed block is connected on the front side of the handle, a second locking column is arranged at the top position of the first fixed block, a second adjusting block is connected on the right side of the first fixed block, the second adjusting block is of L-shaped structure, the second adjusting block penetrates through the first fixed block horizontally, a second connecting device is connected at the right side of the second adjusting block, a plurality of second locking through holes are arranged on the right side of the second adjusting block, a second positioning pin is arranged in the second locking through hole, a second fixed block is connected on the rear side of the handle, a first locking column is arranged at the top position of the second fixed block, a first adjusting block is connected on the right side of the second fixed block, the first adjusting block is of L-shaped structure, and the utility model has the beneficial effects of flexible angle adjustment and convenient installation.

[0004] The above-mentioned side slope support structure for soft rock roadbed excavation blasting is to lay the side support plate flat on the slope, and then use the positioning pin and the fixed bolt to complete the fixing and supporting work of the side support plate on the slope; however, the design defect is that since the side support plate is of fixed length, when the slope is affected by the topography and changes in a small range or needs to be repaired locally, the side support plate cannot be adapted to the current slope, and the side support plate needs to be cut or spliced to adapt to the slope after the topography changes, which finally greatly increases the difficulty and time cost of subsequent slope maintenance. UTILITY MODEL CONTENTS

[0005] The utility model provides a side slope support structure for blasting excavation of pumped storage power station, which solves the problem in the prior art that since the side support plate is of fixed length, when the slope is affected by the topography and changes in a small range or needs to be repaired locally, the side support plate cannot be adapted to the current slope, and the side support plate needs to be cut or spliced to adapt to the slope after the topography changes, which finally greatly increases the difficulty and time cost of subsequent slope maintenance.

[0006] The technical solution of this utility model is as follows: A slope support structure for blasting excavation of a pumped storage power station includes a slope support component. The slope support component includes a slope support sleeve plate. A sliding track is provided on one side inside the slope support sleeve plate. A rotating component that can be twisted and rotated is provided inside the slope support sleeve plate. An extension support component that can be twisted with the rotating component and slides in the sliding track to adjust the support length according to the slope length is provided inside the sliding track.

[0007] Preferably, the slope support assembly further includes slide rails, which are provided on both sides of the inner wall of the slideway.

[0008] Preferably, the screwing assembly includes a rotating shaft rotatably connected inside the slope support sleeve, and the screwing assembly also includes a screw cap fixedly connected to the top of the rotating shaft.

[0009] Preferably, the twisting assembly further includes a first conical tooth, which is fixedly connected to the bottom of the rotating shaft.

[0010] Preferably, the screwing assembly further includes a threaded rod, which is rotatably connected to the slide rail. One end of the threaded rod is fixedly connected to a second conical tooth, which is in contact with and rotatably engaged with the first conical tooth.

[0011] Preferably, the extended support assembly includes an extended support slide plate, which is disposed within a slide rail, and the extended support slide plate is threaded on the outside of the threaded rod.

[0012] Preferably, the extended support assembly further includes ball bearings, which are rotatably connected at equal intervals to the outside of the extended support slide plate, and the positions of the ball bearings correspond to those of the slide rail.

[0013] Preferably, the slope support sleeve and the extended support slide plate are provided with through grooves, and ground nails are pre-inserted in the through grooves. The sides of the slope support sleeve and the extended support slide plate are rotatably connected to the connecting shafts, and each connecting shaft is rotatably connected to a flat slope support plate on the side away from the slope support sleeve and the extended support slide plate.

[0014] The beneficial effects of this utility model are as follows:

[0015] The design is provided with a screwing assembly and an extension supporting assembly in the slope supporting sleeve plate respectively, when the current laid slope of the slope supporting sleeve plate changes due to the influence of the terrain, the earth pegs in each slot can be firstly pulled out, then the cap is screwed to drive the first conical tooth to rotate, the second conical tooth meshed at the bottom of the first conical tooth drives the threaded rod to rotate synchronously, and the extension supporting slide plate threaded on the outside of the threaded rod slides in the slide, through the design, the overall length of the slope supporting sleeve plate and the extension supporting slide plate can be adjusted to adapt to the length of the current slope, then the slope supporting sleeve plate and the extension supporting slide plate are fixed at the current slope by the earth pegs, compared with the prior art, the overall length of the slope supporting sleeve plate and the extension supporting slide plate can be quickly adjusted to adapt to the length required by the current slope supporting without cutting or splicing, so that the construction difficulty and time cost are reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model will be further explained in detail below by combining with the drawings and specific embodiment.

[0017] Figure 1 It is the overall device external schematic diagram of the utility model;

[0018] Figure 2 It is the slope supporting sleeve plate schematic diagram of the utility model;

[0019] Figure 3 It is the slope supporting sleeve plate and extension supporting slide plate combination schematic diagram of the utility model;

[0020] Figure 4 It is the screwing assembly and extension supporting slide plate connection schematic diagram of the utility model;

[0021] In the drawing: 1, slope supporting assembly; 11, slope supporting sleeve plate; 12, slide; 121, slide rail; 13, slot; 2, screwing assembly; 21, cap; 211, pivot; 22, first conical tooth; 23, second conical tooth; 24, threaded rod; 3, extension supporting assembly; 31, extension supporting slide plate; 311, ball; 4, flat slope supporting plate; 41, connecting shaft; 5, earth peg. SPECIFIC EMBODIMENT

[0022] The technical scheme in the embodiments of the utility model will be clearly and completely described below by combining with the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are involved in the scope of the utility model protection.

[0023] Please refer to Figure 1 and Figure 3And Figure 4 The utility model provides a technical scheme: a slope support structure for blasting excavation of pumped storage power station, include slope support subassembly 1, slope support subassembly 1 include slope support sleeve board 11, be provided with slide 12 in slope support sleeve board 11 inside one side, be provided with the twist component 2 of being able to twist in slope support sleeve board 11, be provided with the extension support component 3 of being able to twist with twist component 2 and then slide in slide 12 to adjust the support length according to the extension of slope length in slide 12,

[0024] Through the design, the side support plate is fixed length in the prior art, when the side slope is affected by the terrain and appears small range change or needs local repair, the side support plate cannot be adapted to the current side slope, and the side support plate needs to be adapted to the side slope after the terrain change through cutting or splicing, which finally leads to the increase of subsequent side slope maintenance difficulty and time cost.

[0025] Please refer to Figure 4 Slope support subassembly 1 still includes slide rail 121, and slide rail 121 is formed in the inner wall of slide 12 on both sides, twist component 2 includes pivot 211, pivot 211 is rotatably connected in the inside of slope support sleeve board 11, twist component 2 still includes twist cover 21, twist cover 21 is fixedly connected at the top of pivot 211, twist component 2 still includes first conical tooth 22, and first conical tooth 22 is fixedly connected at the bottom of pivot 211, twist component 2 still includes threaded rod 24, and threaded rod 24 is rotatably connected at slide 12, one end of threaded rod 24 is fixedly connected with second conical tooth 23, second conical tooth 23 is in contact with first conical tooth 22 and is rotatably connected in meshing, and extension support component 3 includes extension support slide plate 31, and extension support slide plate 31 is arranged in slide 12, and extension support slide plate 31 is threaded on the outside of threaded rod 24, and extension support component 3 still includes ball 311, and ball 311 is rotatably connected at intervals on the outside of extension support slide plate 31, and ball 311 corresponds to the position of slide rail 121;

[0026] By being provided with rotatable ball 311 on the side of extension support slide plate 31 and being in contact with slide rail 121, the movement of extension support slide plate 31 in slide 12 can be more smooth.

[0027] When the overall length of slope support sleeve board 11 and extension support slide plate 31 needs to be adjusted, twist cover 21 can be twisted to drive pivot 211 and first conical tooth 22 to rotate, at this time, second conical tooth 23 on the side of first conical tooth 22 can drive threaded rod 24 to rotate in slide 12, at this time, extension support slide plate 31 on the outside of threaded rod 24 can slide in slide 12 under the action of threaded rod 24;

[0028] The above steps can make the extension support slide plate 31 slide in the slide 12 by twisting the assembly 2, so as to adjust the overall length of the slope support sleeve plate 11 and the extension support slide plate 31 to adapt to the current slope length.

[0029] Please refer to Figure 1 and Figure 2 and Figure 3 The slope support sleeve plate 11 and the extension support slide plate 31 are provided with through slots 13, and the ground nails 5 are inserted into the through slots 13; the slope support sleeve plate 11 and the extension support slide plate 31 are rotatably connected to the connecting shafts 41, and the flat slope support plates 4 are rotatably connected to the connecting shafts 41 away from the slope support sleeve plate 11 and the extension support slide plate 31;

[0030] When the overall length of the slope support sleeve plate 11 and the extension support slide plate 31 is adjusted to adapt to the current slope length, the ground nails 5 can be taken out and inserted into the through slots 13 in sequence, so as to complete the secondary positioning and fixing of the slope support sleeve plate 11, the extension support slide plate 31 and the flat slope support plate 4 on the slope and the upper and lower flat slopes.

[0031] The working principle and use process of the utility model are as follows:

[0032] When the slope support sleeve plate 11 cannot adapt to the current slope length due to the influence of terrain changes, the ground nails 5 in the through slots 13 can be taken out in sequence;

[0033] Then the cap 21 can be twisted to drive the rotating shaft 211 and the first tapered teeth 22 to rotate; at this time, the second tapered teeth 23 threaded on the side of the first tapered teeth 22 can drive the threaded rod 24 to rotate in the slide 12; at this time, the extension support slide plate 31 threaded on the outer side of the threaded rod 24 can slide in the slide 12 under the action of the threaded rod 24; when the overall length of the slope support sleeve plate 11 and the extension support slide plate 31 is adjusted to adapt to the current slope length, the ground nails 5 can be taken out and inserted into the through slots 13 in sequence, so as to complete the secondary positioning and fixing of the slope support sleeve plate 11, the extension support slide plate 31 and the flat slope support plate 4 on the slope and the upper and lower flat slopes.

[0034] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims

1. A slope support structure for blasting excavation of a pumped storage power station, comprising a slope support assembly (1), characterized in that, The slope support assembly (1) comprises a slope support sleeve plate (11), a slide (12) is formed on the inner side of the slope support sleeve plate (11), a screwing assembly (2) capable of screwing rotation is arranged in the slope support sleeve plate (11), an extension support assembly (3) capable of screwing with the screwing assembly (2) and sliding in the slide (12) to adjust the support length according to the slope length is arranged in the slide (12).

2. The slope support structure for blasting excavation of a pumped storage power station according to claim 1, characterized in that, The slope support assembly (1) further comprises slide rails (121) formed on the inner wall of the slide (12).

3. The slope support structure for blasting excavation of a pumped storage power station according to claim 1, characterized in that, The screwing assembly (2) comprises a rotating shaft (211) rotationally connected to the inside of the slope support sleeve plate (11), and a screw cap (21) fixedly connected to the top of the rotating shaft (211).

4. The slope support structure for blasting excavation of a pumped storage power station according to claim 1, characterized in that, The screwing assembly (2) further comprises a first conical tooth (22) fixedly connected to the bottom of the rotating shaft (211).

5. The slope support structure for blasting excavation of a pumped storage power station according to claim 1, characterized in that, The screwing assembly (2) further comprises a threaded rod (24) rotationally connected at the slide (12), one end of the threaded rod (24) is fixedly connected with a second conical tooth (23), the second conical tooth (23) is in contact with and in meshing rotationally connected with the first conical tooth (22).

6. The slope support structure for blasting excavation of a pumped storage power station according to claim 1, characterized in that, The extension support assembly (3) comprises an extension support sliding plate (31) arranged in the slide (12), and the extension support sliding plate (31) is threaded on the outer side of the threaded rod (24).

7. The slope support structure for blasting excavation of a pumped storage power station according to claim 1, characterized in that, The extension support assembly (3) further comprises a plurality of balls (311) rotationally connected at equal intervals on the outer side of the extension support sliding plate (31), and the balls (311) are in position correspondence with the slide rails (121).

8. The slope support structure for blasting excavation of a pumped storage power station according to claim 1, characterized in that, The slope support sleeve plate (11) and the extension support sliding plate (31) are both provided with through grooves (13) penetrating through the whole body, and earth nails (5) are pre-inserted into the through grooves (13), and the slope support sleeve plate (11) and the extension support sliding plate (31) are both rotationally connected to connecting shafts (41), and the connecting shafts (41) are rotationally connected with slope support plates (4) on the side away from the slope support sleeve plate (11) and the extension support sliding plate (31).

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