Protective device for mine safety
By designing a mine safety protection device including shock absorption system and automated height adjustment system, the existing devices are easily damaged and inconvenient to height adjustment when impacted by falling rocks, achieving higher safety and operational convenience.
Patent Information
- Application Number
- CN202421629755.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-11
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-07-11
AI Technical Summary
During the mining process of existing mining machinery, safety protection devices are easily damaged when they are falling from ore, and height adjustment is inconvenient, making it difficult to operate by one person.
A protection device for mining safety is designed, including a roof plate, a support plate, a protective plate and a spring structure. The shock absorbing system consisting of a second sliding groove, a second sliding column and a second spring is prevented from impacting rocks, and the height adjustment is achieved through a seven-character wrench and bevel gear system.
It effectively reduces the impact of falling rocks on the protective plate, improves the durability of the protective device, and simplifies operation and reduces operation difficulty through an automated height adjustment system.
Smart Images
Figure CN222686732U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mine safety protection, in particular to a mine safety protection device. Background Art
[0002] A mine is a place where ore is mined, including mines or tunnels for developing ore deposits, together with the mine land, buildings and machines used by it. A mine refers to an independent production and operation unit that mines ore with a certain mining boundary. It mainly includes one or more mining workshops (or pits, mines, open pits, etc.) and some auxiliary workshops. Most mines also include ore dressing plants (coal washing plants). In the process of mining and excavation, gravel rolling is prone to occur. In order to ensure the safety of the staff and avoid accidents, safety protection devices are needed to provide safety protection for the staff.
[0003] At present, mining machinery uses safety protection devices during mining. Due to the complex construction environment, many large and small ores will be scattered during the mining process. When the ore falls on the safety protection device, if there is no buffer structure to buffer the falling rocks on the top of the device, it is very easy to damage the device. When adjusting the height of the device, it is necessary to unscrew the fixing screws on both sides of the frame, and then adjust them and fix them. The operation is very inconvenient and difficult for one person to operate. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model provides a protective device for mine safety, which solves the problems raised in the above-mentioned background technology.
[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a mine safety protection device, comprising a top plate and two support plates, wherein four second fixed columns are fixedly installed on the top of the top plate, second sliding grooves are opened inside the four second fixed columns, second sliding columns are slidably installed inside the four second sliding grooves, second springs are fixedly installed between the bottoms of the four second sliding columns and the insides of the four second sliding grooves, dampers are fixedly installed at the central positions of the four second springs and between the second sliding columns and the second sliding grooves, first fixed columns are fixedly installed on the tops of the four second sliding columns, protective plates are fixedly installed on the tops of the four first fixed columns, first springs are fixedly installed between the bottoms of the four first fixed columns and the tops of the four second fixed columns, and two first sliding plates are fixedly installed on the bottom of the top plate.
[0006] Preferably, the interiors of the two support plates are slidably connected to the two first sliding plates respectively, the interiors of the two support plates are rotatably installed with screw rods, the first sliding plates are threadedly connected to the screw rods, the tops of the two first sliding plates are fixedly installed with a first bevel gear, a second connecting column is fixedly installed between the two support plates, the interior of the second connecting column is rotatably installed with the first connecting column, both ends of the first connecting column extend to the interiors of the two support plates and are fixedly installed with a second bevel gear, the second bevel gear is meshed with the first bevel gear, the two screw rods rotate to make the two first sliding plates move upward, driving the top plate and the protective plate to move upward, and the height can be adjusted according to actual conditions.
[0007] Preferably, a square groove is provided inside the second connecting column, and the third bevel gear and the fourth bevel gear are rotatably installed inside the square groove, and the third bevel gear and the fourth bevel gear are meshingly connected, and the first connecting column passes through the inside of the square groove and is fixedly connected to the inside of the third bevel gear, and a seven-shaped wrench is provided at one end of the fourth bevel gear, and the seven-shaped wrench is plugged into one end of the fourth bevel gear. The seven-shaped wrench is inserted into one end of the fourth bevel gear and rotated to rotate the third bevel gear, thereby driving the first connecting column to rotate, driving the first bevel gear and the second bevel gear to rotate, so that the two screw rods rotate.
[0008] Preferably, two fixing seats are fixedly installed at both ends of the two support plates, a main rotating plate is rotatably installed between every two of the fixing seats, a secondary rotating plate is rotatably installed at one end of the four main rotating plates, pin holes are opened inside the four secondary rotating plates, and slots are opened on one side of the four main rotating plates. The main rotating plate is put down, and then the secondary rotating plate is rotated to make it fit with the ground, and the pin is inserted into the ground through the pin hole to fix the device to prevent movement.
[0009] Preferably, a third sliding groove is provided on one side of the two support plates, a third spring is fixedly installed inside the four third sliding grooves, an insertion block is fixedly installed on one end of the four third springs, the insertion block is slidably connected to the inside of the third sliding groove, a moving column is fixedly installed on one side of the four insertion blocks, the moving column is slidably connected to the inside of the support plate, one end of the four insertion blocks is respectively inserted into the inside of the four slots, the four moving columns are pressed to disengage one end of the insertion block from the main rotating plate, and the main rotating plate can be rotated.
[0010] Preferably, two rollers are rotatably mounted on the bottom of the two support plates to facilitate workers to move the protective device.
[0011] The utility model provides a protective device for mine safety, which has the following beneficial effects:
[0012] 1. The mine safety protection device can block scattered ore through the protection plate, and the first spring and the second spring can reduce the shock of the protection plate, thereby reducing the impact force of the falling rock on the protection plate, and further improving the protection effect of the protection device.
[0013] 2. The mine safety protection device uses a seven-shaped wrench to insert into one end of the fourth bevel gear and rotate it, so that the third bevel gear rotates, which drives the first connecting column to rotate, drives the first bevel gear and the second bevel gear to rotate, so that the two screw rods rotate, and the two first sliding plates move upward, and the height is adjusted according to actual conditions. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the structure of the utility model;
[0015] Figure 2 This is a front cross-sectional view of the utility model;
[0016] Figure 3 For this utility model Figure 2 A in the enlarged view;
[0017] Figure 4 For this utility model Figure 2 The enlarged view of point B in the figure;
[0018] Figure 5 This is a front cross-sectional view of the protective plate of the utility model;
[0019] Figure 6 A top cross-sectional view of one of the support plates of the utility model;
[0020] Figure 7 For this utility model Figure 6 Enlarged view of point C in the figure.
[0021] In the figure: 1, top plate; 2, support plate; 3, protective plate; 4, first sliding plate; 5, screw rod; 6, first bevel gear; 7, second bevel gear; 8, first connecting column; 9, square groove; 10, third bevel gear; 11, fourth bevel gear; 12, seven-shaped wrench; 13, second connecting column; 14, first fixed column; 15, second sliding column; 16, first spring; 17, second fixed column; 18, second sliding groove; 19, second spring; 20, damper; 21, fixed seat; 22, main rotating plate; 23, auxiliary rotating plate; 24, pin hole; 25, slot; 26, third sliding groove; 27, third spring; 28, plug block; 29, moving column; 30, roller. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0023] Embodiment 1
[0024] See also Figures 1 to 7 The utility model provides a technical solution: a mine safety protection device, comprising a top plate 1 and two support plates 2, four second fixed columns 17 are fixedly installed on the top of the top plate 1, second sliding grooves 18 are opened inside the four second fixed columns 17, second sliding columns 15 are slidably installed inside the four second sliding grooves 18, second springs 19 are fixedly installed between the bottoms of the four second sliding columns 15 and the insides of the four second sliding grooves 18, dampers 20 are fixedly installed at the central positions of the four second springs 19 and between the second sliding columns 15 and the second sliding grooves 18, first fixed columns 14 are fixedly installed on the tops of the four second sliding columns 15, protective plates 3 are fixedly installed on the tops of the four first fixed columns 14, first springs 16 are fixedly installed between the bottoms of the four first fixed columns 14 and the tops of the four second fixed columns 17, two first sliding plates 4 are fixedly installed on the bottom of the top plate 1, and two rollers 30 are rotatably installed on the bottoms of the two support plates 2.
[0025] The interiors of the two support plates 2 are respectively slidably connected with the two first sliding plates 4, and the interiors of the two support plates 2 are rotatably installed with screw rods 5, the first sliding plate 4 is threadedly connected to the screw rod 5, and the tops of the two first sliding plates 4 are fixedly installed with first bevel gears 6, a second connecting column 13 is fixedly installed between the two support plates 2, and the interior of the second connecting column 13 is rotatably installed with a first connecting column 8, both ends of the first connecting column 8 extend to the interiors of the two support plates 2 and are fixedly installed with a second bevel gear 7, the second bevel gear 7 is meshed and connected with the first bevel gear 6, a square groove 9 is opened in the interior of the second connecting column 13, and the third bevel gear 10 and the first bevel gear 7 are rotatably installed in the interior of the square groove 9 The four-bevel gear 11, the third bevel gear 10 and the fourth bevel gear 11 are meshed and connected, the first connecting column 8 passes through the interior of the square groove 9 and is fixedly connected to the interior of the third bevel gear 10, and a seven-shaped wrench 12 is provided at one end of the fourth bevel gear 11, and the seven-shaped wrench 12 is plugged into one end of the fourth bevel gear 11. The seven-shaped wrench 12 is inserted into one end of the fourth bevel gear 11 and rotated to rotate the third bevel gear 10, driving the first connecting column 8 to rotate, driving the first bevel gear 6 and the second bevel gear 7 to rotate, so that the two screw rods 5 rotate, so that the two first sliding plates 4 move upward, driving the top plate 1 and the protective plate 3 to move upward, and the height can be adjusted according to actual conditions.
[0026] Two fixed seats 21 are fixedly installed at both ends of the two support plates 2, a main rotating plate 22 is rotatably installed between each two fixed seats 21, one end of the four main rotating plates 22 is rotatably installed with a secondary rotating plate 23, the inside of the four secondary rotating plates 23 is provided with a latch hole 24, one side of the four main rotating plates 22 is provided with a slot 25, one side of the two support plates 2 is provided with a third sliding groove 26, the inside of the four third sliding grooves 26 is fixedly installed with a third spring 27, and one end of the four third springs 27 is fixedly installed with The plug block 28 is slidably connected to the inside of the third sliding groove 26. A moving column 29 is fixedly installed on one side of the four plug blocks 28. The moving column 29 is slidably connected to the inside of the support plate 2. One end of the four plug blocks 28 is respectively inserted into the inside of the four slots 25. The four moving columns 29 are pressed to disengage one end of the plug block 28 from the main rotating plate 22. The main rotating plate 22 is rotated to lower it, and then the auxiliary rotating plate 23 is rotated to make it fit with the ground. The pin is inserted into the ground through the pin hole 24 to fix the device to prevent movement.
[0027] To sum up, when the mine safety protection device is used, the staff pushes the device to the specified position and presses the four moving columns 29 to disengage one end of the plug block 28 from the main rotating plate 22, rotates to lower the main rotating plate 22, and then rotates the auxiliary rotating plate 23 to make it fit with the ground, inserts the pin into the ground through the pin hole 24, fixes the device to prevent movement, and uses the seven-shaped wrench 12 to insert one end of the fourth bevel gear 11 and rotate it to rotate the third bevel gear 10, drive the first connecting column 8 to rotate, drive the first bevel gear 6 and the second bevel gear 7 to rotate, so that the two screw rods 5 rotate, the two first sliding plates 4 move upward, drive the top plate 1 and the protective plate 3 to move upward, and adjust the height according to actual conditions. When ore is scattered, the protective plate 3 can block the scattered ore, and the first spring 16 and the second spring 19 can reduce the shock of the protective plate 3, reduce the impact force of falling rocks on the protective plate 3, and further improve the protection effect of the protective device.
[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A protective device for mine safety, comprising a top plate (1) and two support plates (2), characterized in that: Four second fixed columns (17) are fixedly mounted on the top of the top plate (1), second sliding grooves (18) are provided inside the four second fixed columns (17), second sliding columns (15) are slidably mounted inside the four second sliding grooves (18), second springs (19) are fixedly mounted between the bottoms of the four second sliding columns (15) and the insides of the four second sliding grooves (18), dampers (20) are fixedly mounted at the central positions of the four second springs (19) and between the second sliding columns (15) and the second sliding grooves (18), first fixed columns (14) are fixedly mounted on the tops of the four second sliding columns (15), protective plates (3) are fixedly mounted on the tops of the four first fixed columns (14), first springs (16) are fixedly mounted between the bottoms of the four first fixed columns (14) and the tops of the four second fixed columns (17), and two first sliding plates (4) are fixedly mounted on the bottom of the top plate (1).
2. A mine safety protection device according to claim 1, characterized in that: The interiors of the two support plates (2) are respectively slidably connected to the two first sliding plates (4); a screw rod (5) is rotatably installed inside the two support plates (2); the first sliding plate (4) is threadedly connected to the screw rod (5); a first bevel gear (6) is fixedly installed on the top of the two first sliding plates (4); a second connecting column (13) is fixedly installed between the two support plates (2); a first connecting column (8) is rotatably installed inside the second connecting column (13); both ends of the first connecting column (8) extend into the interiors of the two support plates (2) and are fixedly installed with a second bevel gear (7); the second bevel gear (7) is meshingly connected with the first bevel gear (6).
3. A mine safety protection device according to claim 2, characterized in that: A square groove (9) is provided inside the second connecting column (13), and a third bevel gear (10) and a fourth bevel gear (11) are rotatably mounted inside the square groove (9), and the third bevel gear (10) and the fourth bevel gear (11) are meshingly connected, and the first connecting column (8) passes through the inside of the square groove (9) and is fixedly connected to the inside of the third bevel gear (10), and a seven-shaped wrench (12) is provided at one end of the fourth bevel gear (11), and the seven-shaped wrench (12) is plugged into one end of the fourth bevel gear (11).
4. A mine safety protection device according to claim 1, characterized in that: Two fixing seats (21) are fixedly mounted at both ends of the two support plates (2), a main rotating plate (22) is rotatably mounted between each two fixing seats (21), a secondary rotating plate (23) is rotatably mounted at one end of the four main rotating plates (22), a latch hole (24) is provided inside the four secondary rotating plates (23), and a slot (25) is provided on one side of the four main rotating plates (22).
5. A protective device for mine safety according to claim 1, characterized in that: A third sliding groove (26) is provided on one side of the two support plates (2), a third spring (27) is fixedly installed inside the four third sliding grooves (26), an insert block (28) is fixedly installed at one end of the four third springs (27), the insert block (28) is slidably connected to the inside of the third sliding groove (26), a moving column (29) is fixedly installed on one side of the four insert blocks (28), the moving column (29) is slidably connected to the inside of the support plate (2), and one end of the four insert blocks (28) is respectively inserted into the inside of the four slots (25).
6. A protective device for mine safety according to claim 1, characterized in that: Two rollers (30) are rotatably mounted on the bottoms of the two support plates (2).