Mine tunnel supporting device for bauxite mining
By expanding the support area with extension and support components, and combining this with pressure monitoring via drainage channels, the problem of unstable support in bauxite mining equipment was solved, thus improving safety and stability.
Patent Information
- Application Number
- CN202520693832.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-14
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-04-14
AI Technical Summary
Existing bauxite mining equipment has a small support area, resulting in unstable support, and loose rocks in the mine tunnel may fall and cause injury.
It employs extension components, height adjustment components, and fixing components. The extension plate is moved by a motor-driven gear to expand the support area, and the support pressure is monitored by a drainage channel. The stability is enhanced by the combination of hydraulic rods and support components.
The increased support area improved the stability and safety of the device, prevented mine tunnel collapse, and reduced the risk of falling rocks.
Smart Images

Figure CN223894165U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of bauxite technology, specifically to a mine tunnel support device for bauxite mining. Background Technology
[0002] Bauxite refers to ore containing high-grade aluminum oxides, typically composed mainly of gibbsite, boehmite, and diaspore. It is a primary raw material for refining metallic aluminum and an important source of alumina. During bauxite mining, the mine tunnels need to be supported to prevent excessive vibrations that could cause tunnel collapse.
[0003] A mine tunnel support device for bauxite mining is disclosed in publication number CN212154821U. This utility model provides a mine tunnel support device for coal mining: after the mine tunnel is mined, the support legs are quickly engaged with the connecting cylinder and support feet, the support plate is placed on top of the mine tunnel, and the extension of the support legs is adjusted so that the support feet are connected to the bottom edge of the mine tunnel to complete the support of the mine tunnel. This mine tunnel support device for coal mining has a simple structure, is lightweight, easy to carry and operate, reduces the support time, improves the safety factor of mining, and the symmetrical inclined support of the support legs is stable and highly practical.
[0004] The support area is too small to provide adequate support for the interior of the bauxite mine. The small support area also makes the overall support unstable, and the falling rocks in the mine tunnel can cause injury to the workers. Utility Model Content
[0005] The purpose of this invention is to provide a mine tunnel support device for bauxite mining to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution:
[0007] A mine tunnel support device for bauxite mining includes:
[0008] An extension assembly is provided, comprising a top plate, a motor, a gear, an extension plate, a rack, and a drainage groove. A sliding groove is provided on the side of the top plate, a motor is provided on the inner wall of the top plate, a gear is provided at the output end of the motor, an extension plate is provided on the inner wall of the sliding groove, and a rack is installed on the side of the extension plate.
[0009] A height adjustment assembly, comprising a first hydraulic rod and a base plate, wherein the bottom end of the top plate is equipped with the first hydraulic rod, and the bottom end of the first hydraulic rod is fixedly connected to the base plate;
[0010] A fixing component, comprising a fixing block and bolts, wherein the fixing block is fixedly connected to the side of the base plate and the bolt is threadedly connected to the top of the fixing block;
[0011] A support assembly is installed at the top of the base plate.
[0012] Optionally, the rack and gear are the same size, and the rack and gear are meshed together. The rack and gear are interlocked to facilitate the movement of the rack to one side when the gear rotates.
[0013] Optionally, the top of the base plate is provided with a slot, and the first hydraulic rod is connected to the base plate through the slot. The slot is used to connect the base plate and the first hydraulic rod.
[0014] Optionally, there are two gears, which are symmetrically distributed to stabilize the movement of the transmission extension plate to one side.
[0015] Optionally, a drainage groove is provided at the top of the top plate, which extends through the surface of the top plate. The drainage groove is used to discharge the seeping water to the side of the device for easy observation by staff.
[0016] Compared with this device, the beneficial effects of this utility model are:
[0017] 1. This bauxite mine uses a tunnel support device, which consists of a roof plate, motor, gears, extension plates, racks, and drainage channels. In operation, the motor is fixed to the roof plate, and the motor is powered by an external power source controlled by a single controller to drive the gears to rotate. When the gears rotate, they connect with the racks fixed to the extension plates, driving the extension plates to move to one side, thus expanding the support and protection area of the device. Furthermore, the drainage channels allow water to flow out when seepage occurs inside the bauxite mine. Workers can judge the support pressure of the bauxite mine based on the outflowing water to formulate subsequent mining plans.
[0018] 2. The bauxite mining adopts a mine tunnel support device. Through the setting of support components, the support components are used to enhance the overall stability of the device and prevent the device from being unable to support stability due to excessive pressure inside the bauxite mine. This can further improve the support strength of the device. Attached Figure Description
[0019] To facilitate understanding by those skilled in the art, the present invention will be further described below with reference to the accompanying drawings.
[0020] Figure 1 This is a schematic diagram of the overall appearance of the present utility model;
[0021] Figure 2 This is a schematic diagram showing the disassembled extension components of this utility model;
[0022] Figure 3 This is a schematic diagram showing the disassembled support components of this utility model;
[0023] Figure 4This is a schematic diagram of Embodiment 2 of the present invention.
[0024] In the diagram: 1. Extension assembly; 101. Top plate; 102. Motor; 103. Gear; 104. Extension plate; 105. Rack; 106. Drainage channel; 2. Height adjustment assembly; 201. First hydraulic rod; 202. Base plate; 3. Fixing assembly; 301. Fixing block; 302. Bolt; 4. Support assembly; 401. Second hydraulic rod; 402. Connecting block; 403. Connecting rod; 404. Limiting block; 405. Reinforcing rib. Detailed Implementation
[0025] The present application will now be described in detail with reference to the accompanying drawings and embodiments. Various examples are provided by way of explanation and not by way of limitation. In fact, those skilled in the art will understand that modifications and variations can be made to the present application without departing from the scope or spirit of the present application. For example, a feature shown or described as part of one embodiment may be used in another embodiment to produce yet another embodiment. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model should fall within the protection scope of the present utility model.
[0026] Please see Figures 1-3 As shown, this utility model provides a technical solution: a mine tunnel support device for bauxite mining, comprising:
[0027] The extension assembly 1 consists of a top plate 101, a motor 102, a gear 103, an extension plate 104, a rack 105, and a drainage groove 106. A sliding groove is provided on the side of the top plate 101, and a motor 102 is provided on the inner wall of the top plate 101. A gear 103 is provided at the output end of the motor 102. An extension plate 104 is provided on the inner wall of the sliding groove, and a rack 105 is installed on the side of the extension plate 104.
[0028] The height adjustment component 2 consists of a first hydraulic rod 201 and a base plate 202. The first hydraulic rod 201 is installed at the bottom end of the top plate 101, and the bottom end of the first hydraulic rod 201 is fixedly connected to the base plate 202.
[0029] The fixing component 3 is composed of a fixing block 301 and a bolt 302. The fixing block 301 is fixedly connected to the side of the base plate 202, and the bolt 302 is threadedly connected to the top of the fixing block 301.
[0030] A support assembly 4 is installed at the top of the base plate 202. A motor 102 is fixed to the top plate 101. The motor 102 is powered by an external power source and controlled by the same controller to drive the gear 103 to rotate. When the gear 103 rotates, it connects with the rack 105 fixed to the extension plate 104 and drives the extension plate 104 to move to one side, thereby expanding the support and protection area of the device. Furthermore, by opening a drainage channel 106, when water seeps into the bauxite, the water source flows out through the drainage channel 106. Workers can judge the support pressure of the bauxite based on the outflowing water to formulate the next mining plan. By setting the support component 4, the support component 4 is used to enhance the overall stability of the device and prevent the device from being unable to support stability due to excessive pressure inside the bauxite. It can further improve the support strength of the device. The first hydraulic rod 201 is connected to an external power source and controlled by the same controller to push the top plate 101 upward to fit against the top wall inside the bauxite, which can support the mine tunnel. The bottom plate 202 is used to fix the first hydraulic rod 201. The rotating bolt 302 can fix the fixing block 301 to the ground and stabilize the device, preventing external collisions from causing shaking or displacement.
[0031] The rack 105 and the gear 103 are the same size. The rack 105 and the gear 103 are meshed and connected. The rack 105 and the gear 103 are interlocked to facilitate the movement of the rack 105 to one side when the gear 103 rotates.
[0032] The top of the base plate 202 is provided with a slot, and the first hydraulic rod 201 is connected to the base plate 202 through the slot. The slot is used to connect the base plate 202 and the first hydraulic rod 201.
[0033] There are two gears 103, which are symmetrically distributed. The symmetrical distribution of gears 103 is used to stabilize the movement of the transmission extension plate 104 to one side.
[0034] A drainage groove 106 is provided at the top of the top plate 101. The drainage groove 106 penetrates the surface of the top plate 101 and is used to discharge the seeping water to the side of the device for easy observation by the staff.
[0035] In this invention, the working steps of the device are as follows:
[0036] First step: Fix motor 102 through top plate 101. Motor 102 is connected to an external power source and controlled by the same controller to drive gear 103 to rotate. When gear 103 rotates, it can connect with rack 105 fixed to extension plate 104 and drive extension plate 104 to move to one side, thereby expanding the support and protection area of the device. Furthermore, through the opening of drainage channel 106, when water seeps into the bauxite, the water source flows out through drainage channel 106. Workers can judge the support pressure of the bauxite based on the outflowing water and formulate the next mining plan.
[0037] The second step: By setting up support component 4, the support component 4 is used to enhance the overall stability of the device and prevent the device from being unable to support stability due to excessive pressure inside the bauxite, thereby further improving the support strength of the device.
[0038] The third step: The first hydraulic rod 201 is connected to an external power source and controlled by the same controller to push the top plate 101 upward to fit against the inner top wall of the bauxite mine, which can support the mine tunnel. The bottom plate 202 is used to fix the first hydraulic rod 201. The rotating bolt 302 can fix the fixing block 301 to the ground and stabilize the device to prevent external collisions from causing shaking or displacement.
[0039] Example 1
[0040] Please refer to Figure 3 The support assembly 4 consists of a second hydraulic rod 401, a connecting block 402, a connecting rod 403, and a limiting block 404. The second hydraulic rod 401 is located between the first hydraulic rods 201 at the top of the base plate 202. The connecting block 402 is located at the top of the second hydraulic rod 401. The connecting rod 403 is rotatably connected to the inner wall of the connecting block 402. The limiting block 404 is located at the bottom of the top plate 101. The limiting block 404 is connected to the connecting rod 403. The connecting block 402 is fixed by the second hydraulic rod 401. The connecting block 402 limits the connection of the connecting rod 403. The limiting block 404 is used to limit the connection of the other end of the connecting rod 403. The external power supply of the second hydraulic rod 401 is controlled by the same controller to support the connecting rod 403, distribute the overall pressure of the device, and stabilize the device.
[0041] Example 2
[0042] Please refer to Figure 4 The support component 4 also includes a reinforcing rib 405. The inner wall of the connecting rod 403 is provided with a reinforcing rib 405. The installation of the reinforcing rib 405 is used to enhance the overall strength of the connecting rod 403, improve the stability of the support and prevent deformation.
[0043] It should be noted that the device structure and accompanying drawings of this utility model mainly describe the principle of this utility model. In terms of the technical aspects of this design principle, the setting of the power mechanism, power supply system and control system of the device is not fully described. However, under the premise that those skilled in the art understand the principle of the above utility model, the specific details of its power mechanism, power supply system and control system can be clearly understood. The control method in the application document is automatic control through a controller. The control circuit of the controller can be implemented by those skilled in the art through simple programming.
[0044] All standard parts used can be purchased from the market, and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the existing technology. The machinery, parts and equipment adopt conventional models in the existing technology, and the structure and principle of the components known to those skilled in the art can be known by those skilled in the art through technical manuals or conventional experimental methods.
[0045] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made to these embodiments, or they can be used directly or indirectly, without departing from the principles and spirit of the present invention. In other related technical fields, the scope of the present invention is defined by the appended claims and their equivalents, and they are similarly included within the patent protection scope of the present invention.
Claims
1. A mine tunnel support device for bauxite mining, characterized in that, include: An extension assembly is provided, comprising a top plate, a motor, a gear, an extension plate, a rack, and a drainage groove. A sliding groove is provided on the side of the top plate, a motor is provided on the inner wall of the top plate, a gear is provided at the output end of the motor, an extension plate is provided on the inner wall of the sliding groove, and a rack is installed on the side of the extension plate. A height adjustment assembly, comprising a first hydraulic rod and a base plate, wherein the bottom end of the top plate is equipped with the first hydraulic rod, and the bottom end of the first hydraulic rod is fixedly connected to the base plate; A fixing component, comprising a fixing block and bolts, wherein the fixing block is fixedly connected to the side of the base plate and the bolt is threadedly connected to the top of the fixing block; A support assembly is installed at the top of the base plate.
2. The bauxite mining tunnel support device according to claim 1, characterized in that, The rack and gear are the same size, and the rack and gear are meshed together.
3. The bauxite mining tunnel support device according to claim 1, characterized in that, The top of the base plate has a slot, and the first hydraulic rod is connected to the base plate through the slot.
4. The bauxite mining tunnel support device according to claim 1, characterized in that, There are two gears, which are symmetrically distributed.
5. The bauxite mining tunnel support device according to claim 1, characterized in that, A drainage groove is provided at the top of the top plate, and the drainage groove extends through the surface of the top plate.
Citation Information
Patent Citations
Mine tunnel supporting device for coal mining
CN212154821U