Support structure for preventing rock collapse
Patent Information
- Application Number
- CN202521269738.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-20
- Publication Date
- 2026-09-04
- Estimated Expiration
- 2035-06-20
AI Technical Summary
[0002]在岩质边坡工程中,由于地质条件复杂,岩质侧壁容易发生崩塌和石块滚落,给工程安全和人员安全带来严重威胁
1、能够灵活调整固定螺杆的倾斜角度和方向,适应不同岩质侧壁的复杂地形;
Smart Images

Figure CN224716978U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of rock slope engineering technology, specifically to a support structure for preventing rock collapse. Background Technology
[0002] In rock slope engineering, due to complex geological conditions, rock sidewalls are prone to collapse and rockfall, posing a serious threat to engineering safety and personnel safety. Traditional support structures, which use simple active protection nets and grid beams, are often difficult to adapt to complex terrain and geological conditions, and the installation and adjustment process is cumbersome with limited effectiveness. Therefore, a support structure for preventing rock collapse is proposed. Utility Model Content
[0003] The purpose of this utility model is to address the shortcomings and deficiencies of existing technologies by providing a support structure for preventing rock collapse. This structure can flexibly adjust the tilt angle and direction of the fixing screws to adapt to the complex terrain of different rock sidewalls. It can effectively prevent rock collapse and rockfall, and can more tightly adhere the protective net body to the rock sidewall, enhancing the protective effect and improving engineering safety. It can also effectively drain water from the rock, preventing rock collapse due to water corrosion.
[0004] To achieve the above objectives, the present invention adopts the following technical solution: it includes a protective net body; It also includes: A fixing frame, wherein the fixing frame is fitted onto the outside of the protective net body; The fixing screws are of several kinds and are movably inserted into the fixing frame; The fixing nuts are of several kinds and are respectively threaded onto the fixing screw, and the fixing nuts abut against the fixing frame; Connecting rods, wherein there are several connecting rods, each located at the rear end of the fixing screw; The adjusting balls are numerous and are respectively rolled and embedded in the upper end of the connecting rod; the upper end of the adjusting balls is fixed to the fixing screw; a square groove is opened in the connecting rod, and a limiting mechanism is provided in the square groove; The first fixing cone, there are several of them, and they are fixed to the lower end of the connecting rod respectively; The drainage mechanism consists of several parts, each inserted into the protective net body.
[0005] Preferably, the limiting mechanism comprises: A limiting internal threaded tube, wherein the limiting internal threaded tube is movably embedded in a square groove; The limiting screw has its upper end screwed into a limiting internal thread tube via a threaded connection, and its lower end screwed into a square groove via a bearing; a bevel gear pair is connected to the bottom of the limiting screw. The rotating shaft is screwed onto the connecting rod via a bearing, and the inner end of the rotating shaft is connected to a bevel gear pair.
[0006] Preferably, a rubber pad is screwed onto the limiting internal threaded tube via a bearing, and the rubber pad rests against the bottom of the adjusting ball.
[0007] Preferably, the outer end of the shaft is connected to a hand-tightening device, and several anti-slip grooves are distributed in a ring on the ring wall of the hand-tightening device.
[0008] Preferably, the reinforcing ring is fixed in the middle of the protective net body, and a second fixing cone is movably inserted inside the reinforcing ring, with a limit baffle fixed at the front end of the second fixing cone.
[0009] Preferably, the drainage mechanism comprises: A drain pipe is inserted into the protective net body; the drain pipe has several drain holes, and filter screens are installed on the drain holes. A connecting pipe, wherein the connecting pipe is connected through the bottom of the front end of the drain pipe; The water bag is threadedly screwed onto the bottom of the connecting tube.
[0010] Compared with the prior art, the beneficial effects of this utility model are: 1. It can flexibly adjust the tilt angle and direction of the fixing screw to adapt to the complex terrain of different rock sidewalls; 2. It can effectively prevent rock collapse and rockfall, and can make the protective net body fit more tightly against the rock sidewall, enhancing the protective effect and improving the safety of the project; 3. It can effectively drain water from the rock, preventing the rock from collapsing due to water corrosion. Attached Figure Description
[0011] Figure 1 This is a schematic diagram of the structure of this utility model.
[0012] Figure 2 yes Figure 1 Enlarged view of part A in the image.
[0013] Figure 3 This is a schematic diagram of the connecting rod, adjusting ball, limiting mechanism and No. 1 fixed cone in this utility model.
[0014] Figure 4 This is a cross-sectional view of the connecting rod in this utility model.
[0015] Explanation of reference numerals in the attached figures: 1. Protective net body; 2. Fixing frame; 3. Fixing screw; 4. Fixing nut; 5. Connecting rod; 6. Square groove; 7. Adjusting ball; 8. Limiting mechanism; 8-1. Limiting internal threaded tube; 8-2. Rubber pad; 8-3. Limiting screw; 8-4. Bevel gear pair; 8-5. Rotating shaft; 8-6. Hand-tightening device; 9. First fixing cone; 10. Reinforcing ring; 11. Second fixing cone; 12. Limiting baffle; 13. Drainage mechanism; 13-1. Drainage pipe; 13-2. Drainage hole; 13-3. Filter screen; 13-4. Connecting pipe; 13-5. Water bag. Detailed Implementation
[0016] The technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. The preferred embodiments described are only examples. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0017] The specific implementation method adopts the following technical solution: Please see Figure 1-4 This embodiment includes a protective net body 1; It also includes: Fixed frame 2, which is sleeved on the outside of the protective net body 1; The fixing screws 3 are of several kinds and are movably inserted into the fixing frame 2; The fixing nuts 4 are several in number and are respectively threaded onto the fixing screw 3, and the fixing nuts 4 abut against the fixing frame 2; Connecting rod 5, there are several connecting rods 5, and they are respectively located at the rear end of the fixing screw 3; Adjustable balls 7, several in number, are respectively rolled and embedded in the upper end of the connecting rod 5; the upper end of the adjustable balls 7 is fixed to the fixing screw 3; a square groove 6 is formed in the connecting rod 5, and a limiting mechanism 8 is provided in the square groove 6; the limiting mechanism 8 includes: The limiting internal thread tube 8-1 is movably embedded in the square groove 6; a rubber pad 8-2 is screwed onto the limiting internal thread tube 8-1 via a bearing, and the rubber pad 8-2 abuts against the bottom of the adjusting ball 7. The upper end of the limiting screw 8-3 is threadedly inserted into the limiting internal thread tube 8-1, and the lower end of the limiting screw 8-3 is threaded into the square groove 6 through a bearing; the bottom of the limiting screw 8-3 is connected to a bevel gear pair 8-4. The rotating shaft 8-5 is screwed onto the connecting rod 5 via a bearing. The inner end of the rotating shaft 8-5 is connected to the bevel gear pair 8-4, and the outer end of the rotating shaft 8-5 is connected to a hand-tightening device 8-6. Several anti-slip grooves are distributed in a ring on the annular wall of the hand-tightening device 8-6. There are several No. 1 fixing cones 9, and they are fixed to the lower end of the connecting rod 5 respectively; The reinforcing ring 10 is fixed in the middle of the protective net body 1. A second fixing cone 11 is movably inserted inside the reinforcing ring 10. A limit baffle 12 is fixed at the front end of the second fixing cone 11. A drainage mechanism 13, wherein there are several drainage mechanisms 13, each inserted into the protective net body 1; each drainage mechanism 13 includes: Drainage pipe 13-1 is inserted into the protective net body 1; several drainage holes 13-2 are provided on the drainage pipe 13-1, and filter screens 13-3 are provided on the drainage holes 13-2. Connecting pipe 13-4, wherein the connecting pipe 13-4 is connected through to the bottom of the front end of drain pipe 13-1; Water bag 13-5 is threadedly connected to the bottom of connecting pipe 13-4.
[0018] When using this utility model, the first fixing cone 9 is inserted into the corresponding rock sidewall after measurement; according to the angle of the first fixing cone 9, the adjusting ball 7 is rotated so that the tilt angle and direction of the several fixing screws 3 are consistent; the hand-tightening 8-6 is rotated so that the rotating shaft 8-5 rotates, and under the action of the bevel gear pair 8-4, the limiting screw 8-3 rotates, driving the limiting internal thread tube 8-1 to move, so that the rubber pad 8-2 abuts against the bottom of the adjusting ball 7, fixing the adjusting ball 7, and thus fixing the tilt angle and direction of the fixing screws 3; The fixing frame 2 is installed on the fixing screw 3 and fixed with the fixing nut 4, so that the fixing frame 2 and the protective net body 1 can be fixed on the rock side wall to prevent rock collapse and avoid the danger caused by rolling stones; the second fixing cone 11 is inserted into the protective net body 1 through the reinforcing ring 10, which not only further reinforces it, but also pulls the protective net body 1 closer to the rock side wall, so that the protection effect is better. Choose a suitable location and insert the drain pipe 13-1 at an angle into the rock sidewall. The outlet of the drain pipe 13-1 should be set downwards. Water in the rock flows out through the drain hole 13-2 on the drain pipe 13-1 into the water bag 13-5. Periodically unscrew the water bag 13-5 to clean the water and prevent water accumulation in the rock from causing corrosion and collapse.
[0019] Compared with the prior art, the beneficial effects of this utility model are: 1. By cooperating with the No. 1 fixed cone 9 and the adjusting ball 7, the tilt angle and direction of the fixed screw 3 can be flexibly adjusted to adapt to the complex terrain of different rock sidewalls; 2. By utilizing the linkage between the limiting screw 8-3 and the limiting internal thread tube 8-1, the adjusting ball 7 can be quickly fixed, ensuring the stability of the fixing screw 3; 3. The combined installation of the fixed frame 2 and the protective net body 1 can effectively prevent rock collapse and rockfall, and improve the safety of the project; 4. With the further reinforcement of the No. 2 fixing cone 11 and the reinforcing ring 10, the protective net body 1 can be more tightly attached to the rock sidewall, thus enhancing the protective effect; 5. The installation of drainage pipe 13-1 can effectively drain the water accumulated in the rock and prevent the rock from collapsing due to water corrosion.
[0020] For those skilled in the art, modifications can be made to the technical solutions described in the foregoing embodiments, and equivalent substitutions can be made to some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A support structure for preventing rock collapse, comprising a protective net body (1); Its features are, It also includes: The fixed frame (2) is fitted on the outside of the protective net body (1); The number of fixed screws (3) is several, and they are respectively movably inserted into the fixed frame (2); The fixing nuts (4) are several in number and are respectively threaded onto the fixing screw (3). The fixing nuts (4) abut against the fixing frame (2). Connecting rod (5), there are several connecting rods (5), and they are respectively located at the rear end of the fixing screw (3); Adjusting ball (7), there are several adjusting balls (7), and they are respectively rolled and embedded in the upper end of the connecting rod (5); the upper end of the adjusting ball (7) is fixed to the fixing screw (3); a square groove (6) is opened in the connecting rod (5), and a limiting mechanism (8) is provided in the square groove (6); The number of No. 1 fixed cones (9) is several, and they are fixed to the lower end of the connecting rod (5); The drainage mechanism (13) is a plurality of such drainage mechanisms (13) and is respectively inserted on the protective net body (1).
2. The support structure for preventing rock collapse according to claim 1, characterized in that: The limiting mechanism (8) includes: The limiting internal threaded tube (8-1) is movably embedded in the square groove (6); The upper end of the limiting screw (8-3) is inserted into the limiting internal thread tube (8-1) by threaded connection, and the lower end of the limiting screw (8-3) is screwed into the square groove (6) by bearing; the bottom of the limiting screw (8-3) is connected to a bevel gear pair (8-4). The rotating shaft (8-5) is screwed onto the connecting rod (5) via a bearing, and the inner end of the rotating shaft (8-5) is connected to the bevel gear pair (8-4).
3. The support structure for preventing rock collapse according to claim 2, characterized in that: A rubber pad (8-2) is screwed onto the limiting internal thread tube (8-1) via a bearing, and the rubber pad (8-2) abuts against the bottom of the adjusting ball (7).
4. The support structure for preventing rock collapse according to claim 2, characterized in that: The outer end of the rotating shaft (8-5) is connected to a hand screw (8-6), and several anti-slip grooves are distributed in a ring on the ring wall of the hand screw (8-6).
5. The support structure for preventing rock collapse according to claim 1, characterized in that: The reinforcing ring (10) is fixed in the middle of the protective net body (1). A second fixing cone (11) is movably inserted inside the reinforcing ring (10). A limit baffle (12) is fixed at the front end of the second fixing cone (11).
6. The support structure for preventing rock collapse according to claim 1, characterized in that: The drainage mechanisms (13) mentioned above all include: Drainage pipe (13-1) is inserted into the protective net body (1); the drainage pipe (13-1) is provided with several drainage holes (13-2), and the drainage holes (13-2) are provided with filter screens (13-3). A connecting pipe (13-4) is connected through the bottom of the front end of a drain pipe (13-1); Water bag (13-5), which is threadedly connected to the bottom of connecting pipe (13-4).