Iron ore mining roof support device

CN224742392UActive Publication Date: 2026-09-11ABA MINING CO LTD
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Patent Information

Application Number
CN202522323382.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-03
Publication Date
2026-09-11
Estimated Expiration
2035-11-03

AI Technical Summary

Technical Problem

[0003]现有技术不足:为方便对支护装置进行运输多采用组装式结构,然而在组装过程中无法确定支护装置的顶部是否紧贴在矿道顶部并提供足够的推力对矿道顶部进行支撑,且矿道位于地下在开采过程中地下水易渗透到矿道内部,影响铁矿开采

Benefits of technology

[0012]1.本实用新型通过将护板组件紧贴在矿道顶部,通过骨架卡住护板组件并通过螺栓固定骨架和护板组件,将伸缩柱插入拼接槽内部,通过螺栓穿过拼接槽和伸缩柱进行固定,伸缩柱沿立柱内壁向上移动推动拼接座向上移动,使压力弹簧收缩,直至拼接座的顶端与连接块的顶端内壁接触,使用过程中压力弹簧推动连接块向上使护板组件紧贴在隧道顶部进行支撑,确保护板组件对矿道顶部进行有效支撑。

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Abstract

This utility model relates to the field of support device technology and discloses a roof support device for iron ore mining, including a protective plate assembly, and further including: a splicing assembly and a support assembly. The support assembly includes a column and a telescopic column. The splicing assembly includes a splicing seat, a splicing groove, a receiving groove, a pressure spring, a connecting block, and a frame. This utility model tightly attaches the protective plate assembly to the top of the mine tunnel, uses the frame to hold the protective plate assembly in place, and fixes the frame and the protective plate assembly with bolts. The telescopic column is inserted into the splicing groove and fixed by bolts passing through the splicing groove and the telescopic column. The telescopic column moves upward along the inner wall of the column, pushing the splicing seat upward, causing the pressure spring to contract until the top of the splicing seat contacts the top inner wall of the connecting block. During use, the pressure spring pushes the connecting block upward, keeping the protective plate assembly tightly attached to the top of the tunnel for support, ensuring that the protective plate assembly effectively supports the top of the mine tunnel.
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Description

Technical Field

[0001] This utility model relates to the field of support device technology, and more specifically to a roof support device for iron ore mining. Background Technology

[0002] Iron is the earliest discovered, most widely used, and most consumed metal in the world. Its main source is iron ore smelting. Iron ore is mostly stored underground and is mined by excavating mine tunnels. During the mining process, in order to ensure safety, support devices are needed to support or reinforce the top of the mine tunnel to prevent the roof from collapsing or becoming unstable.

[0003] Current technology has shortcomings: To facilitate the transportation of support devices, modular structures are often used. However, during the assembly process, it is impossible to determine whether the top of the support device is in close contact with the top of the mine tunnel and provides sufficient thrust to support the top of the mine tunnel. Furthermore, since the mine tunnel is located underground, groundwater can easily seep into the mine tunnel during the mining process, affecting iron ore mining. Summary of the Invention

[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides a roof support device for iron ore mining to solve the problems existing in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a roof support device for iron ore mining, comprising a protective plate assembly, and further comprising: a splicing assembly and a support assembly. The bottom end of the protective plate assembly is fixedly connected to the top end of the splicing assembly, and the bottom end of the splicing assembly is fixedly connected to the top end of the support assembly. The support assembly comprises a column, and a telescopic column is movably connected to the inner side wall of the column. The splicing assembly comprises a splicing seat, and a splicing groove is provided at the bottom end of the splicing seat. The side of the splicing groove is fixed to the top end of the telescopic column by bolts. A storage groove is provided at the top end of the splicing seat, and a pressure spring is fixedly connected to the bottom end of the storage groove. A connecting block is fixedly connected to the top end of the pressure spring, and a frame is fixedly connected to the top end of the connecting block. The top end of the frame is fixed to the bottom end of the protective plate assembly by bolts.

[0006] Furthermore, a mounting post is fixedly connected to the bottom of the storage slot, a buffer spring is fixedly connected to the top of the mounting post, a tactile switch is fixedly connected to the top of the buffer spring, and an indicator light is fixedly connected to the side of the splicing base.

[0007] Furthermore, a slot is provided at the top of the frame, and the guard plate assembly includes a guard plate body, with the side of the slot engaging with the inner side wall of the guard plate body.

[0008] Furthermore, a flow guide groove is provided at the top of the main body of the protective plate assembly, and a filter screen is fixedly connected to the side of the flow guide groove.

[0009] Furthermore, a base plate is fixedly connected to the bottom end of the column, an anchor rod is movably connected to the top end of the base plate, and a rounded corner is provided at the top end of the telescopic column.

[0010] Furthermore, a threaded shaft is movably sleeved on the inner wall of the bottom end of the column, a worm gear is fixedly sleeved on the side of the threaded shaft, a worm is movably sleeved on the side of the column, the side of the worm meshes with the side of the worm gear, a hexagonal groove is formed on the side of the worm, and the side of the threaded shaft meshes with the inner wall of the side of the telescopic column.

[0011] The technical effects and advantages of this utility model are as follows:

[0012] 1. This utility model involves attaching the protective plate assembly tightly to the top of the mine tunnel, securing the protective plate assembly with a frame, and fixing the frame and the protective plate assembly with bolts. A telescopic column is inserted into the splicing groove and fixed with bolts passing through the splicing groove and the telescopic column. The telescopic column moves upward along the inner wall of the column, pushing the splicing seat upward, causing the pressure spring to contract until the top of the splicing seat contacts the top inner wall of the connecting block. During use, the pressure spring pushes the connecting block upward, ensuring the protective plate assembly is tightly attached to the tunnel top for support, thus ensuring effective support for the mine tunnel top.

[0013] 2. When the top of the splicing seat contacts the inner wall of the top of the connecting block, the tactile switch contacts the inner wall of the top of the connecting block, causing the tactile switch control indicator light to emit a green light, indicating that the top of the splicing seat is in contact with the inner wall of the bottom of the connecting block. The deformation of the pressure spring provides sufficient thrust to support the tunnel, which helps to ensure that the support force on the top of the mine tunnel is sufficient and effective.

[0014] 3. When the top of the main body of the protective plate of this utility model is tightly attached to the top of the mine tunnel, the water seeping underground is quickly discharged from the top of the main body of the protective plate through the diversion channel. At the same time, the filter screen prevents debris from entering the diversion channel and causing blockage, which helps to ensure the cleanliness of the mine tunnel. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the protective plate assembly structure of this utility model;

[0017] Figure 3 This is a schematic diagram of the splicing component structure of this utility model;

[0018] Figure 4 This is a cross-sectional structural diagram of the splicing base of this utility model;

[0019] Figure 5 This is a schematic diagram of the support component structure of this utility model;

[0020] Figure 6 This is a schematic diagram of the internal structure of the column of this utility model.

[0021] The attached diagram is labeled as follows: 1. Protective plate assembly; 101. Protective plate body; 102. Guide channel; 103. Filter screen; 2. Splicing assembly; 201. Frame; 202. Connecting block; 203. Splicing seat; 204. Pressure spring; 205. Storage slot; 206. Tactile switch; 207. Buffer spring; 208. Slot; 209. Indicator light; 210. Splicing groove; 211. Mounting column; 3. Support assembly; 301. Column; 302. Telescopic column; 303. Rounded corner; 304. Anchor rod; 305. Base plate; 306. Threaded shaft; 307. Worm gear; 308. Worm wheel; 309. Hexagonal groove. Detailed Implementation

[0022] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. In addition, the forms of the various structures described in the following embodiments are merely illustrative. The iron ore mining roof support device involved in this utility model is not limited to the structures described in the following embodiments. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0023] Reference Figures 1 to 6 This utility model provides a roof support device for iron ore mining, including a protective plate assembly 1, and further including a splicing assembly 2 and a support assembly 3. The bottom end of the protective plate assembly 1 is fixedly connected to the top end of the splicing assembly 2, and the bottom end of the splicing assembly 2 is fixedly connected to the top end of the support assembly 3. The support assembly 3 includes a column 301, and a telescopic column 302 is movably connected to the inner side wall of the column 301. The splicing assembly 2 includes a splicing seat 203, and a splicing groove 210 is formed at the bottom end of the splicing seat 203. The side of the splicing groove 210 is fixed to the top end of the telescopic column 302 by bolts. A storage groove 205 is formed at the top end of the splicing seat 203, and a pressure spring 204 is fixedly connected to the bottom end of the storage groove 205. A connecting block 202 is fixedly connected to the top end of the pressure spring 204. The top of the connecting block 202 is fixedly connected to the frame 201. The top of the frame 201 is fixed to the bottom of the guard plate assembly 1 by bolts. During assembly, the guard plate assembly 1 is tightly attached to the top of the tunnel. The frame 201 holds the guard plate assembly 1 in place and the frame 201 and guard plate assembly 1 are fixed by bolts. The telescopic column 302 is inserted into the splicing groove 210 and fixed by bolts passing through the splicing groove 210 and the telescopic column 302. The telescopic column 302 moves upward along the inner wall of the column 301, pushing the splicing seat 203 upward, causing the pressure spring 204 to contract until the top of the splicing seat 203 contacts the top inner wall of the connecting block 202. During use, the pressure spring 204 pushes the connecting block 202 upward, so that the guard plate assembly 1 is tightly attached to the top of the tunnel for support.

[0024] The bottom of the storage slot 205 is fixedly connected to a mounting post 211, the top of the mounting post 211 is fixedly connected to a buffer spring 207, the top of the buffer spring 207 is fixedly connected to a tactile switch 206, and the side of the splicing base 203 is fixedly connected to an indicator light 209. When the top of the splicing base 203 contacts the inner wall of the top of the connecting block 202, the tactile switch 206 contacts the inner wall of the top of the connecting block 202, causing the tactile switch 206 to control the indicator light 209 to emit a green light, indicating that the top of the splicing base 203 is in contact with the inner wall of the bottom of the connecting block 202, and the deformation of the pressure spring 204 provides sufficient thrust to support the tunnel.

[0025] The top of the frame 201 is provided with a slot 208. The guard plate assembly 1 includes a guard plate body 101. The side of the slot 208 engages with the inner side wall of the guard plate body 101. When assembling the equipment, the guard plate body 101 is inserted into the slot 208 and the frame 201 and the guard plate body 101 are fixed by bolts.

[0026] Among them, the top of the main body 101 of the protective plate assembly 1 is provided with a guide groove 102, and a filter screen 103 is fixedly connected to the side of the guide groove 102. When the top of the main body 101 of the protective plate is close to the top of the mine tunnel, the water seeping underground is quickly discharged from the top of the main body 101 of the protective plate through the guide groove 102. At the same time, the filter screen 103 prevents debris from entering the interior of the guide groove 102 and causing blockage.

[0027] The bottom end of the column 301 is fixedly connected to the base plate 305, and the top end of the base plate 305 is movably connected to the anchor rod 304. The top end of the telescopic column 302 is provided with an arc angle 303. When placing the equipment, the bottom end of the base plate 305 contacts the ground, and the anchor rod 304 passes through the base plate 305 and inserts into the ground to fix the equipment. The arc angle 303 also facilitates the insertion of the telescopic column 302 into the splicing groove 210.

[0028] The bottom inner wall of the column 301 is movably fitted with a threaded shaft 306, and a worm gear 308 is fixedly fitted to the side of the threaded shaft 306. A worm 307 is movably fitted to the side of the column 301. The side of the worm 307 meshes with the side of the worm gear 308. A hexagonal groove 309 is provided on the side of the worm 307. The side of the threaded shaft 306 meshes with the inner wall of the side of the telescopic column 302. When a hexagonal wrench is inserted into the hexagonal groove 309 to rotate the worm 307, the threaded shaft 306 is rotated through the meshing of the worm 307 and the worm gear 308, and the telescopic column 302 is moved up and down through the thread.

[0029] The working principle of this utility model is as follows: When assembling the equipment, the main body 101 of the protective plate is tightly attached to the top of the tunnel. The slot 208 is clamped into the bottom of the main body 101 of the protective plate and fixed with bolts. The telescopic column 302 is inserted into the splicing groove 210 and fixed with bolts. The base plate 305 is placed on the ground with its bottom end in contact with the ground. The anchor rod 304 passes through the base plate 305 and is inserted into the ground to fix the equipment. A hexagonal wrench is inserted into the hexagonal slot 309 to rotate the worm gear 307. 7 meshes with the worm gear 308, driving the threaded shaft 306 to rotate. The thread drives the telescopic column 302 to move upward, causing the pressure spring 204 to contract until the top of the splicing seat 203 contacts the inner wall of the top of the connecting block 202. At this time, the tactile switch 206 contacts the inner wall of the top of the connecting block 202, causing the indicator light 209 of the tactile switch 206 to emit a green light, indicating that the top of the splicing seat 203 is in contact with the inner wall of the bottom of the connecting block 202. The deformation of the pressure spring 204 provides sufficient thrust to support the tunnel.

[0030] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A roof support device for iron ore mining, comprising a shield assembly (1), characterized in that, It also includes: splicing component (2) and support component (3), the bottom end of the guard plate component (1) is fixedly connected to the top end of the splicing component (2), the bottom end of the splicing component (2) is fixedly connected to the top end of the support component (3), the support component (3) includes a column (301), and a telescopic column (302) is movably connected to the inner side wall of the column (301). The splicing component (2) includes a splicing seat (203), and a splicing groove (210) is provided at the bottom end of the splicing seat (203). The side of the splicing groove (210) is fixed to the top of the telescopic column (302) by bolts. The top of the splicing base (203) is provided with a storage groove (205). The bottom of the storage groove (205) is fixedly connected to a pressure spring (204). The top of the pressure spring (204) is fixedly connected to a connecting block (202). The top of the connecting block (202) is fixedly connected to a frame (201). The top of the frame (201) is fixed to the bottom of the guard plate assembly (1) by bolts.

2. The iron ore mining roof support apparatus of claim 1, wherein: The bottom end of the storage slot (205) is fixedly connected to a mounting post (211), the top end of the mounting post (211) is fixedly connected to a buffer spring (207), the top end of the buffer spring (207) is fixedly connected to a tactile switch (206), and the side of the splicing base (203) is fixedly connected to an indicator light (209).

3. The iron ore mining roof support apparatus of claim 1, wherein: The top of the frame (201) is provided with a slot (208), and the guard plate assembly (1) includes a guard plate body (101). The side of the slot (208) engages with the inner side wall of the guard plate body (101).

4. The iron ore mining roof support apparatus of claim 3, wherein: The top of the main body (101) of the protective plate assembly (1) is provided with a guide groove (102), and a filter screen (103) is fixedly connected to the side of the guide groove (102).

5. The iron ore mining roof support apparatus of claim 1, wherein: The bottom end of the column (301) is fixedly connected to a base plate (305), the top end of the base plate (305) is movably connected to an anchor rod (304), and the top end of the telescopic column (302) is provided with an arc corner (303).

6. The iron ore mining roof support apparatus of claim 1, wherein: A threaded shaft (306) is movably sleeved on the inner wall of the bottom end of the column (301). A worm gear (308) is fixedly sleeved on the side of the threaded shaft (306). A worm (307) is movably sleeved on the side of the column (301). The side of the worm (307) meshes with the side of the worm gear (308). A hexagonal groove (309) is provided on the side of the worm (307). The side of the threaded shaft (306) meshes with the inner wall of the side of the telescopic column (302).