Coal mine safety supporting device
By designing coal mine safety support devices with pillars, support plates, protective support mechanisms, and buffer components in coal mine roadways, the problem of dust and moisture erosion on the support devices has been solved, and the stability and safety of the devices have been improved.
Patent Information
- Application Number
- CN202520541916.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-26
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-03-26
AI Technical Summary
The adjustable sliding parts of the support device in coal mine roadways are exposed and easily corroded by dust and moisture, leading to accelerated wear and affecting stability and service life.
A coal mine safety support device was designed, comprising a support column, a support plate, a protective support mechanism, a movable protective component, and a buffer component. The movable protective component prevents dust from entering the gaps and absorbs moisture, while the buffer component absorbs impact forces, thereby improving the stability and safety of the device.
It effectively prevents frictional wear caused by dust accumulation, reduces moisture accumulation to extend service life, improves the stability and safety of the device, and avoids damage to the support pillars due to excessive local load.
Smart Images
Figure CN223707677U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to coal mine supporting device technical field, especially a kind of coal mine safety supporting device. BACKGROUND
[0002] China coal mine is mainly underground mining, needs to excavate a large number of laneways in pit, adopts supporting device to keep laneway unobstructed and surrounding rock stable, it is of great significance to coal mine construction and safety production, supporting device can support and protect coal mining laneway, relieve and reduce the movement of surrounding rock, has been widely used in the field of coal mining;
[0003] As shown in reference example "a kind of coal mine safety supporting device" announcement number "CN218669417U", by setting support frame and fixed mechanism, the height of adjusting device is facilitated, improve practicability, by setting supporting mechanism, improve the supporting effect of device, strengthen bearing capacity, it is suitable for extensive use;
[0004] In coal mine laneway, the adjusting sliding part of supporting device is usually exposed and close to laneway wall, while the environment in pit is complex, and there are a lot of dust particles in air, when supporting device is adjusted, these dusts are easily fallen into the gap of adjusting sliding part, cause abrasion to aggravate, and then affect the stability and service life of supporting device.
[0005] Therefore, a kind of coal mine safety supporting device is proposed to solve the above problems. UTILITY MODEL CONTENT
[0006] The utility model aims at providing a kind of coal mine safety supporting device to solve the above problems, improve the in coal mine laneway, the adjusting sliding part of supporting device is usually exposed and close to laneway wall, while the environment in pit is complex, and there are a lot of dust particles in air, when supporting device is adjusted, these dusts are easily fallen into the gap of adjusting sliding part, cause abrasion to aggravate, and then affect the stability and service life of supporting device problem.
[0007] This utility model achieves the above-mentioned objectives through the following technical solution: a coal mine safety support device, comprising: two pillars, with the same support plate mounted on the top of the two pillars; a protective support mechanism, which is disposed on the outside of the pillars to protect the support device; wherein, a movable protective component is disposed on the outside of the pillars, and a buffer component is disposed between the pillars and the support plate. During use, the movable protective component can protect the support plate and the adjusting components of the pillars, preventing dust in the coal mine roadway from entering the gaps in the components, reducing frictional wear caused by dust accumulation, and simultaneously absorbing moisture on the inside of the support plate, reducing moisture accumulation inside the support plate and extending the service life of the support plate in damp mines. The buffer component, disposed between the pillars and the support plate, can absorb some impact force when bearing support, improving the stability and safety of the device.
[0008] Preferably, the mobile protective assembly includes a first moisture-absorbing sheet fixedly installed inside the support plate, and a second moisture-absorbing sheet fixedly installed on the other side of the first moisture-absorbing sheet. The support plate is designed with an arc shape, and multiple display blocks are fixedly installed on the surface of the support plate. In use, the first and second moisture-absorbing sheets absorb moisture in a dual manner, which can effectively absorb moisture in the coal mine roadway, prevent the inner side of the support plate from rusting or losing strength due to long-term dampness, and improve durability in high-humidity environments. The display blocks can display the saturation status of the moisture-absorbing sheets and remind whether replacement or maintenance is required.
[0009] Preferably, the multiple display blocks are equidistantly distributed, and the other side of the multiple display blocks is in contact with the first moisture-absorbing sheet and the second moisture-absorbing sheet. When the first moisture-absorbing sheet and the second moisture-absorbing sheet are close to saturation, the display blocks will change color, so that it can be seen intuitively whether the first moisture-absorbing sheet and the second moisture-absorbing sheet have reached the saturation state, thereby replacing or drying them in time and improving maintenance efficiency.
[0010] Preferably, a movable column is slidably installed on one side of the support column, and multiple limiting holes are opened on the surface of the movable column. A limiting rod is slidably installed on one side of the support column, and one end of the limiting rod is slidably connected to the adjacent limiting hole. When adjusting the support column, the limiting rods on both sides can be moved out of the corresponding limiting holes, and then the movable column can be moved. After the adjustment is completed, the limiting rods can be reset to complete the adjustment. During the adjustment, the protective frame is always located outside the movable column and the support column, which can form a barrier to prevent coal mine dust and debris from entering the gaps of the sliding parts and reduce the wear of the adjustment mechanism caused by dust accumulation.
[0011] Preferably, the protective frame is located on the outside of the support column, and the bottom edge of the protective frame is set as a slope. The slope of the edge of the protective frame can effectively push away debris or small rocks when the protective frame is moved, thereby improving the durability of the equipment.
[0012] Preferably, the buffer assembly comprises fixed frames fixedly installed on both sides of the support plate, the inside of the fixed frame is provided with a movable slot, one side of the two support columns is respectively connected with the two movable slots in sliding mode, two dampers are fixedly installed in the inside of the fixed frame, and the other side of the two dampers is fixedly connected with the adjacent support column.
[0013] Preferably, the surface of the support column is slidably installed with a limiting frame, and the limiting frame is slidably connected with a limiting insertion rod; after the limiting insertion rod is slidably connected with the limiting hole, the movable limiting frame can limit the limiting insertion rod, so that the phenomenon that the limiting insertion rod is separated from the limiting hole is avoided, and the reliability of the overall structure is improved.
[0014] The utility model discloses the beneficial effect is:
[0015] 1、 in use can pass through the mobile protection assembly and protect the adjusting part of support plate and support column, prevent the dust in the coal mine tunnel from entering the component gap, reduce the friction loss caused by dust accumulation, and can adsorb the moisture in the inside of support plate simultaneously, reduce the moisture accumulation in the inside of support plate and prolong the service life of support plate under the humid mine, and the buffer assembly is arranged between the support column and the support plate, can absorb part of impact force when bearing support, improves the stability and safety of device.
[0016] 2、 when the support device is affected by the mine roof pressure or geological vibration, the support column can slide in the movable slot properly, and the damper plays a buffering and impact absorbing role; the damper can gradually release energy when the support device is pressed, so that the pressure distribution is more uniform, and the support column damage caused by excessive local load is avoided. DRAWINGS
[0017] Figure 1 It is the main body structure schematic diagram of the utility model;
[0018] Figure 2 It is the protection support mechanism structure schematic diagram of the utility model;
[0019] Figure 3 It is the mobile protection assembly structure schematic diagram of the utility model;
[0020] Figure 4 It is the buffer assembly structure schematic diagram of the utility model.
[0021] In the diagram: 1. Support column; 2. Support plate; 3. Protective support mechanism; 31. Protective frame; 32. Moving protective component; 321. First moisture-absorbing sheet; 322. Second moisture-absorbing sheet; 323. Display block; 324. Moving column; 325. Limiting hole; 326. Limiting rod; 33. Buffer component; 331. Fixed frame; 332. Movable groove; 333. Damper; 334. Limiting frame. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0023] In practical implementation: such as Figures 1-4 As shown, a coal mine safety support device includes: two pillars 1, with the same support plate 2 installed on the top of the two pillars 1; a protective support mechanism 3, which is used to protect the support device and is installed on the outside of the pillars 1; wherein, the protective support mechanism 3 includes a protective frame 31 fixedly installed on both sides of the support plate 2, a movable protective component 32 is installed on the outside of the pillars 1, and a buffer component 33 is installed between the pillars 1 and the support plate 2. During use, the movable protective component 32 can protect the support plate 2 and the adjusting parts of the pillars 1, preventing dust in the coal mine roadway from entering the gaps of the components, reducing frictional wear caused by dust accumulation, and at the same time, it can absorb moisture on the inside of the support plate 2, reducing moisture accumulation inside the support plate 2 and extending the service life of the support plate 2 in damp mines. The buffer component 33 is installed between the pillars 1 and the support plate 2, and can absorb part of the impact force when bearing the support, improving the stability and safety of the device.
[0024] The coal mine safety support device provides vertical support through the support column 1, and the support plate 2 is attached to the mine roof to stabilize the roadway, ensure the stability of the surrounding rock, and prevent collapse or deformation. The movable protective component 32 is mainly used for dust prevention and moisture absorption. It can effectively prevent dust from entering the adjusting sliding parts and prevent the sliding from being obstructed due to dust accumulation. At the same time, it can also absorb the moisture on the inside of the support plate 2, reduce the corrosion and performance degradation of the components caused by the humid environment, and does not affect the adjustment function of the support device. The buffer component 33 is set between the support column 1 and the support plate 2. When the device is bearing the support, it can absorb part of the impact force and will not hinder the bearing function of the support device.
[0025] like Figure 2 and Figure 3As shown, the mobile protection assembly 32 includes a first moisture absorbing sheet 321 fixedly installed inside the support plate 2, the other side of the first moisture absorbing sheet 321 is fixedly installed with a second moisture absorbing sheet 322, the support plate 2 is arranged in a circular arc shape, a plurality of display blocks 323 are fixedly installed on the surface of the support plate 2, in use, the first moisture absorbing sheet 321 and the second moisture absorbing sheet 322 double moisture absorption, which can effectively absorb the moisture in the coal mine tunnel, prevent the inside of the support plate 2 from rusting or strength decreasing due to long-term damp, improve the durability in high humidity environment, the display block 323 can display the saturation of the moisture absorbing sheet, remind whether it needs to be replaced or maintained, a plurality of display blocks 323 are equidistantly distributed, the other side of the plurality of display blocks 323 is in contact with the first moisture absorbing sheet 321 and the second moisture absorbing sheet 322, the display block 323 is made of a color-changing material, which can change color with the saturation change of the first moisture absorbing sheet 321 and the second moisture absorbing sheet 322, and the state of the first moisture absorbing sheet 321 and the second moisture absorbing sheet 322 can be easily identified, the display block 323 is in contact with the first moisture absorbing sheet 321 and the second moisture absorbing sheet 322, and the first moisture absorbing sheet 321 and the second moisture absorbing sheet 322 will change color when they approach saturation, so that whether the first moisture absorbing sheet 321 and the second moisture absorbing sheet 322 have reached the saturation state can be directly observed, thereby timely replacement or drying is performed, and maintenance efficiency is improved;
[0026] The mobile column 324 is slidably installed on one side of the support column 1, a plurality of limiting holes 325 are formed in the surface of the mobile column 324, the limiting plug rod 326 is slidably installed on one side of the support column 1, one end of the limiting plug rod 326 is slidably connected with the adjacent limiting hole 325, when adjusting the support column 1, the limiting plug rod 326 on both sides can be moved out of the corresponding limiting hole 325, and then the mobile column 324 is moved, after adjustment is completed, the limiting plug rod 326 is reset, and the adjustment is completed, and when adjusting, the protection frame 31 is always located outside the mobile column 324 and the support column 1, which can form a barrier to prevent coal dust and debris from entering the gap of the sliding part, reduce the wear of the adjusting mechanism caused by dust accumulation, and the bottom edge of the protection frame 31 is arranged in an inclined shape, the edge inclined surface of the protection frame 31 can effectively push away debris or small rocks when the protection frame 31 moves, and the durability of the equipment is improved.
[0027] As Figure 2 and Figure 4As shown, the buffer assembly 33 includes a fixed frame 331 fixedly installed on both sides of the support plate 2, the inside of the fixed frame 331 is provided with a movable slot 332, one side of the two support columns 1 is respectively connected with the two movable slots 332 in a sliding manner, two dampers 333 are fixedly installed in the inside of the fixed frame 331, and the other sides of the two dampers 333 are fixedly connected with the adjacent support columns 1; when the support device is affected by the mine roof pressure or geological vibration, the support column 1 can appropriately slide in the movable slot 332, and the damper 333 plays a role in buffering and absorbing impact force; the damper 333 can gradually release energy when the support device is pressed, so that the pressure distribution is more uniform, and damage of the support column 1 caused by excessive local load is avoided; the surface of the support column 1 is slidably provided with a limiting frame 334, the limiting frame 334 is slidably connected with the limiting insertion rod 326, and the limiting insertion rod 326 can move the limiting frame 334 to limit the limiting insertion rod 326 after being slidably connected with the limiting hole 325, so that the phenomenon that the limiting insertion rod 326 is separated from the limiting hole 325 is avoided, and the reliability of the overall structure is improved.
[0028] In use, the display block 323 is in contact with the first moisture absorption sheet 321 and the second moisture absorption sheet 322, the first moisture absorption sheet 321 and the second moisture absorption sheet 322 will change color when they are close to saturation, and whether the first moisture absorption sheet 321 and the second moisture absorption sheet 322 have reached the saturation state can be directly observed, so that replacement or drying can be performed in time, and the maintenance efficiency is improved; when the support column 1 is adjusted, the limiting insertion rod 326 on both sides is moved out of the corresponding limiting hole 325, then the moving column 324 is moved, and after adjustment is completed, the limiting insertion rod 326 is reset, so that the adjustment is completed; and during adjustment, the protective frame 31 is always located outside the moving column 324 and the support column 1, a barrier can be formed, coal mine dust and debris are prevented from entering the gap of the sliding part, wear of the adjustment mechanism caused by dust accumulation is reduced, the support column 1 can appropriately slide in the movable slot 332 when the support device is affected by the mine roof pressure or geological vibration, the damper 333 plays a role in buffering and absorbing impact force, the damper 333 can gradually release energy when the support device is pressed, so that the pressure distribution is more uniform, and damage of the support column 1 caused by excessive local load is avoided, the limiting insertion rod 326 can move the limiting frame 334 to limit the limiting insertion rod 326 after being slidably connected with the limiting hole 325, so that the phenomenon that the limiting insertion rod 326 is separated from the limiting hole 325 is avoided, and the reliability of the overall structure is improved.
[0029] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.
Claims
1. A coal mine safety support device, characterized in that, include: Two pillars (1), with the same support plate (2) on the top of the two pillars (1); a protective support mechanism (3), which is used to protect the support device, is located on the outside of the pillars (1); wherein the protective support mechanism (3) includes a protective frame (31) fixedly installed on both sides of the support plate (2), a movable protective component (32) is provided on the outside of the pillars (1), and a buffer component (33) is provided between the pillars (1) and the support plate (2).
2. The coal mine safety support device according to claim 1, characterized in that: The mobile protective assembly (32) includes a first moisture-absorbing sheet (321) fixedly installed inside the support plate (2), and a second moisture-absorbing sheet (322) fixedly installed on the other side of the first moisture-absorbing sheet (321). The support plate (2) is set in an arc shape, and a plurality of display blocks (323) are fixedly installed on the surface of the support plate (2).
3. A coal mine safety support device according to claim 2, characterized in that: The plurality of display blocks (323) are equidistantly distributed, and the other side of the plurality of display blocks (323) is in contact with the first moisture-absorbing sheet (321) and the second moisture-absorbing sheet (322).
4. A coal mine safety support device according to claim 1, characterized in that: A movable column (324) is slidably installed on one side of the support column (1). The surface of the movable column (324) is provided with multiple limiting holes (325). A limiting rod (326) is slidably installed on one side of the support column (1). One end of the limiting rod (326) is slidably connected to the adjacent limiting hole (325).
5. A coal mine safety support device according to claim 1, characterized in that: The protective frame (31) is located outside the support column (1), and the bottom edge of the protective frame (31) is set as a bevel.
6. A coal mine safety support device according to claim 1, characterized in that: The buffer assembly (33) includes a fixed frame (331) fixedly installed on both sides of the support plate (2). The fixed frame (331) is provided with a movable groove (332) inside. One side of the two pillars (1) is slidably connected to the two movable grooves (332) respectively. Two dampers (333) are fixedly installed inside the fixed frame (331). The other side of the two dampers (333) is fixedly connected to the adjacent pillar (1).
7. A coal mine safety support device according to claim 1, characterized in that: A limiting frame (334) is slidably installed on the surface of the support column (1), and the limiting frame (334) is slidably connected to the limiting rod (326).