Mining safety protection support
By designing a mining safety protection bracket including sliding installation and a two-way screw mechanism, the problem of unreasonable position setting of support columns in the prior art is solved, and effective support protection for multi-surface inner walls of the tunnel and convenient passage of equipment personnel is achieved.
Patent Information
- Application Number
- CN202421633880.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-11
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-07-11
AI Technical Summary
When the existing mining safety protection bracket supports the inner walls of multiple surfaces of the tunnel, the supporting column position is unreasonable, which makes it difficult to pass mining equipment and personnel under the support platform, causing trouble to mining operations.
A mining safety protection bracket is designed, including two first vertical plates and a plurality of slidingly mounted second vertical plates, slide chutes and sliders. The flexible movement of the second vertical plate is realized through a bidirectional screw and bevel gear mechanism to ensure the reasonable position arrangement of the support columns.
This design facilitates support and protection of the multi-surface inner walls of the mine tunnel, avoids the problem of unreasonable positioning of the support columns, and facilitates the passage of equipment and personnel under the support platform, which significantly improves the convenience of mining operations.
Smart Images
Figure CN222823265U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of protective supports, in particular to a mining safety protective support. Background Art
[0002] In the process of mining mineral resources, it is often necessary to use safety protection supports to support the mining face or tunnel wall to prevent collapse and facilitate normal mining operations for equipment and personnel. Current mining safety protection supports generally use multiple support plates to splice to adapt to different tunnels and mining faces. The prior art discloses a mining safety protection support with authorization announcement number CN219061730U, including a support table, a receiving column is fixedly connected to the left side of the bottom of the support table, a spring rod is fixedly connected to the inner side of the receiving column, and torsion springs are provided at the upper and lower ends of the outer wall of the spring rod, and the far-away ends of the torsion spring are respectively fixedly connected to the upper and lower ends of the inner wall of the receiving column, and the middle part of the spring rod is rotatably connected to a protective curtain, and the adjacent ends of the torsion spring are respectively fixedly connected to the middle of the upper and lower ends of the protective curtain. In the utility model, the protective curtain is pulled into the fixed frame, and the movable block clamps the pulling block. Multiple structures such as the protective curtain and the pulling block can be installed according to actual use, thereby avoiding flying stones, flying coal and flying slag splashed during coal mining to damage the protective support. The hydraulic rod drives the fixing plate to hit the fixed column, and the fixed column is inserted into the ground, which avoids the tilting of the support and brings convenience to use.
[0003] However, it was found during use that the above design was not convenient for supporting and protecting the multi-sided inner walls of the tunnel, and the support column positions were unreasonable, making it difficult for mining equipment and personnel to pass under the support platform, causing a lot of trouble for mining operations. Utility Model Content
[0004] In view of the above problems, the purpose of the utility model is to provide a mining safety protection bracket, which is convenient for supporting and protecting the side walls of mine tunnels, can effectively avoid the problem of unreasonable setting of support column positions, and facilitate the passage of mining equipment and personnel under the support platform, which brings great convenience to mining operations and solves the problems raised in the above background technology.
[0005] To achieve the above objectives, the technical solution adopted by the utility model is as follows: a mining safety protection support comprises two first vertical plates, two second vertical plates are slidably installed on one side of the first vertical plates, two first sliding grooves are provided on the sides of the two first vertical plates close to each other, two first sliding blocks are fixedly installed on one side of the second vertical plate, one of the first sliding blocks is slidably installed in the corresponding first sliding groove, a sliding rod is provided on one side of the second vertical plate, two ends of the sliding rod are respectively fixed on the corresponding first sliding block, a first cross plate is fixedly installed on one side of the second vertical plate, two anchor rods are provided on both ends of the first vertical plate, and the two anchor rods are respectively fixed on the corresponding first sliding block and the first cross plate, a U-shaped block is fixedly installed on one side of the first vertical plate, a bidirectional screw rod is rotatably penetrated on the U-shaped block, the bidirectional screw rod is threadedly connected with the corresponding two second vertical plates, a first bevel gear is fixedly sleeved on the bidirectional screw rod, a rotating rod is rotatably penetrated on the U-shaped block, one end of the rotating rod is provided with a second bevel gear meshing with the first bevel gear, and the bottom of the two first cross plates located above are provided with the same second cross plate.
[0006] In order to facilitate the quick assembly and disassembly of the safety protection bracket:
[0007] As a further improvement of the above technical solution: the second horizontal plate also includes two L-shaped connecting plates, which are fixed on the top of the second horizontal plate, and the L-shaped connecting plate is slidably mounted on one end of the corresponding first horizontal plate. The two first horizontal plates located above are each provided with a card slot, in which a card plate is slidably installed, and one end of the card plate is fixed to the corresponding L-shaped connecting plate. Two grooves are provided on the top of the second horizontal plate, in which an internal threaded barrel is slidably installed, and the internal threaded barrel slides through the corresponding card plate, and a screw rod is installed on the internal thread of the internal threaded barrel.
[0008] The beneficial effect of this improvement is that through such an arrangement, the safety protection bracket can be quickly assembled and disassembled, thereby facilitating the decomposition, transportation and rapid installation and use of the safety protection bracket, which brings great convenience to mining operations.
[0009] In order to facilitate the two-way screw to drive the second vertical plate to move:
[0010] As a further improvement of the above technical solution: a thread groove is opened on one side of the second vertical plate, and the bidirectional screw thread is installed in the corresponding two thread grooves.
[0011] The beneficial effect of this improvement is that by providing the thread groove, it is convenient for the bidirectional screw rod to drive the second vertical plate to move.
[0012] To facilitate slider movement:
[0013] As a further improvement of the above technical solution: a first through hole is penetrated on an inner wall of one side of the first sliding groove, and the sliding rod slides through the corresponding first through hole.
[0014] The beneficial effect of this improvement is that the movement of the sliding rod is facilitated by providing the first through hole.
[0015] In order to facilitate the support and limit of the rotating rod and the bidirectional screw rod:
[0016] As a further improvement of the above technical solution: the U-shaped block is penetrated by a second through hole and two third through holes, the rotating rod rotates through the second through hole, and the bidirectional screw rotates through the two third through holes.
[0017] The beneficial effect of this improvement is that by providing the second through hole and the third through hole, it is convenient to support and limit the rotating rod and the bidirectional screw rod.
[0018] To prevent the anchor rod from blocking the L-shaped connecting plate:
[0019] As a further improvement of the above technical solution: a through groove is passed through the L-shaped connecting plate, and the through groove is adapted to the corresponding anchor rod.
[0020] The beneficial effect of this improvement is that by providing the through groove, the anchor rod can be prevented from blocking the L-shaped connecting plate.
[0021] In order to facilitate the internal threaded barrel to lock the card:
[0022] As a further improvement of the above technical solution: a first circular hole is penetrated on the clamping plate, the internal threaded tube slides through the corresponding first circular hole, a second sliding groove is opened on the inner wall of one side of the groove, a second slider is slidably installed in the second sliding groove, and the second slider is fixed on one side of the internal threaded tube.
[0023] The beneficial effect of this improvement is that by providing the first circular hole, the internal threaded tube can be easily locked on the clamping plate.
[0024] In order to facilitate the support and limit of the screw rod:
[0025] As a further improvement of the above technical solution: a second circular hole is penetrated on the inner wall of the bottom of the groove, and the screw rod rotates and penetrates the second circular hole.
[0026] The beneficial effect of this improvement is that by providing the second circular hole, it is convenient to support and limit the screw rod.
[0027] The beneficial effects of the utility model are: through a simple adjustment structure, it is convenient to support and protect the multi-sided inner walls of the mine tunnel, which can effectively avoid the problem of unreasonable setting of the support column position, and thus facilitate the passage of mining equipment and personnel under the support platform, bringing great convenience to mining operations. BRIEF DESCRIPTION OF THE DRAWINGS
[0028] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;
[0029] Figure 2 For this utility model Figure 1 A schematic diagram of the enlarged structure of part A;
[0030] Figure 3 For this utility model Figure 1 A schematic diagram of the enlarged structure of part B;
[0031] Figure 4 It is a three-dimensional cross-sectional structural schematic diagram of the first vertical plate in the utility model;
[0032] Figure 5 It is a schematic diagram of the three-dimensional sectional combined assembly structure of the L-shaped connecting plate and the clamping plate in the utility model.
[0033] In the figure: 1. first vertical plate; 2. second vertical plate; 3. first slide groove; 4. first slider; 5. slide rod; 6. first horizontal plate; 7. anchor rod; 8. U-shaped block; 9. bidirectional screw rod; 10. first bevel gear; 11. rotating rod; 12. second bevel gear; 13. second horizontal plate; 14. L-shaped connecting plate; 15. slot; 16. clamping plate; 17. groove; 18. internal threaded tube; 19. screw rod. DETAILED DESCRIPTION
[0034] In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the utility model.
[0035] like Figure 1-5As shown, a mining safety protection support comprises two first vertical plates 1, two second vertical plates 2 are slidably installed on one side of the first vertical plates 1, two first slide grooves 3 are provided on the sides of the two first vertical plates 1 close to each other, two first sliders 4 are fixedly installed on one side of the second vertical plate 2, one of the first sliders 4 is slidably installed in the corresponding first slide groove 3, a slide bar 5 is provided on one side of the second vertical plate 2, and the two ends of the slide bar 5 are respectively fixed on the corresponding first slider 4, a first cross plate 6 is fixedly installed on one side of the second vertical plate 2, two anchor rods 7 are provided on the two ends of the first vertical plate 1, and the two anchor rods 7 are respectively fixed on the corresponding first slider 4 and the first cross plate 6, and a U-shaped block is fixedly installed on one side of the first vertical plate 1 8. A bidirectional screw rod 9 is rotatably passed through the U-shaped block 8, and the bidirectional screw rod 9 is threadedly connected to the corresponding two second vertical plates 2. A first bevel gear 10 is fixedly sleeved on the bidirectional screw rod 9. A rotating rod 11 is rotatably passed through the U-shaped block 8. One end of the rotating rod 11 is provided with a second bevel gear 12 meshing with the first bevel gear 10. The bottom of the two first horizontal plates 6 located above is provided with the same second horizontal plate 13. Through a simple adjustment structure, it is convenient to support and protect the multi-faceted inner walls of the mine tunnel, which can effectively avoid the problem of unreasonable setting of the support column position, thereby facilitating the passage of mining equipment and personnel under the support platform, bringing great convenience to mining operations. Through such a setting, it is convenient to quickly assemble the safety protection bracket. The utility model discloses a kind of utility model discloses a kind of utility model, and the utility model discloses a utility model discloses a utility model. The ... The bidirectional screw rod 9 is supported and limited, and a through groove is penetrated on the L-shaped connecting plate 14, and the through groove is adapted to the corresponding anchor rod 7. By setting the through groove, the anchor rod 7 can be prevented from blocking the L-shaped connecting plate 14. A first circular hole is penetrated on the clamping plate 16, and the internally threaded tube 18 slides through the corresponding first circular hole. A second sliding groove is opened on the inner wall of one side of the groove 17, and a second slider is slidably installed in the second sliding groove. The second slider is fixed on one side of the internally threaded tube 18. By setting the first circular hole, it is convenient for the internally threaded tube 18 to lock the clamping plate 16. A second circular hole is penetrated on the bottom inner wall of the groove 17, and the screw rod 19 rotates and penetrates the second circular hole. By setting the second circular hole, it is convenient to support and limit the screw rod 19.
[0036] The working principle of the utility model is as follows: when in use, first move the two first vertical plates 1 close to each other, so that the two first horizontal plates 6 located on the upper side are slidably inserted into the corresponding L-shaped connecting plates 14 respectively, and the clamping plate 16 is driven to slide and insert into the corresponding clamping groove 15, so that the second horizontal plate 13 is installed on the two first horizontal plates 6 on the upper side, and then the two screw rods 19 are rotated, and the screw rods 19 drive the internal threaded tube 18 to slide out of the corresponding groove 17 and slide through the clamping plate 16, the clamping plate 16 is fixed, and the second horizontal plate 13 is installed and fixed. Through such an arrangement, it is convenient to quickly assemble and disassemble the safety protection bracket, so that it is convenient to disassemble, transport and quickly install and use the safety protection bracket, which brings great convenience to mining operations. Then, the protection bracket is erected in the mine tunnel, and the first vertical plate 1 contacts the side wall of the tunnel. Then, the two rotating rods 11 are rotated, and the rotating rods 11 drive the second bevel gear 12 to rotate, and the second bevel gear 12 drives the first bevel gear 10 to rotate, and the first bevel gear 10 drives the bidirectional screw rod 9 to rotate, and the bidirectional screw rod 9 drives the corresponding two second vertical plates 2 to slide on the first vertical plate 1 and move away from each other, and the second vertical plate 2 drives the two first sliding blocks 4 to move, so that the slide rod 5 is driven to extend out of the corresponding first slide groove 3, and the two first horizontal plates 6 below are pressed against the ground, and the two first horizontal plates 6 above are pressed against the top wall of the tunnel, and multiple anchor rods 7 are inserted into the ore, and the safety protection bracket is installed. Through such a setting, it is convenient to support and protect the multi-faceted inner walls of the mine tunnel, which can effectively avoid the problem of unreasonable setting of the support column position, and thus facilitate the passage of mining equipment and personnel under the support platform, which brings great convenience to the mining operation.
[0037] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.
[0038] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. The above is only the preferred implementation method of the utility model. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principle of the utility model, they can make several improvements, embellishments or changes, and can also combine the above technical features in an appropriate manner; these improvements, embellishments, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without improvement, should be regarded as the protection scope of the utility model.
Claims
1. A mining safety protection support, comprising two first vertical plates (1), characterized in that: Two second vertical plates (2) are slidably mounted on one side of the first vertical plate (1), two first sliding grooves (3) are provided on the sides of the two first vertical plates (1) close to each other, two first sliding blocks (4) are fixedly mounted on one side of the second vertical plate (2), one of the first sliding blocks (4) is slidably mounted in the corresponding first sliding groove (3), a sliding rod (5) is provided on one side of the second vertical plate (2), two ends of the sliding rod (5) are respectively fixed on the corresponding first sliding block (4), a first horizontal plate (6) is fixedly mounted on one side of the second vertical plate (2), two anchor rods (7) are provided on both ends of the first vertical plate (1), and the two anchor rods ( 7) are respectively fixed on the corresponding first slider (4) and the first horizontal plate (6), a U-shaped block (8) is fixedly installed on one side of the first vertical plate (1), a bidirectional screw rod (9) is rotatably passed through the U-shaped block (8), the bidirectional screw rod (9) is threadedly connected with the corresponding two second vertical plates (2), a first bevel gear (10) is fixedly sleeved on the bidirectional screw rod (9), a rotating rod (11) is rotatably passed through the U-shaped block (8), one end of the rotating rod (11) is provided with a second bevel gear (12) meshing with the first bevel gear (10), and the bottom of the two first horizontal plates (6) located above are provided with the same second horizontal plate (13).
2. A mining safety protection support according to claim 1, characterized in that: The second transverse plate (13) further comprises two L-shaped connecting plates (14), the L-shaped connecting plates (14) being fixed on the top of the second transverse plate (13), the L-shaped connecting plates (14) being slidably sleeved on one end of the corresponding first transverse plate (6), the two first transverse plates (6) located at the top are both provided with a card slot (15), a card plate (16) being slidably mounted in the card slot (15), one end of the card plate (16) being fixed on the corresponding L-shaped connecting plates (14), the top of the second transverse plate (13) being provided with two grooves (17), an internal threaded cylinder (18) being slidably mounted in the groove (17), the internal threaded cylinder (18) slidably passing through the corresponding card plate (16), a screw rod (19) being internally threadedly mounted in the internal threaded cylinder (18).
3. A mining safety protection support according to claim 1, characterized in that: A thread groove is provided on one side of the second vertical plate (2), and the bidirectional screw rod (9) is threadably installed in two corresponding thread grooves.
4. A mining safety protection support according to claim 1, characterized in that: A first through hole is penetrated on one inner wall of the first sliding groove (3), and the sliding rod (5) slides through the corresponding first through hole.
5. A mining safety protection support according to claim 1, characterized in that: The U-shaped block (8) is penetrated by a second through hole and two third through holes, the rotating rod (11) rotates through the second through hole, and the bidirectional screw rod (9) rotates through the two third through holes.
6. A mining safety protection support according to claim 2, characterized in that: The L-shaped connecting plate (14) is penetrated by a through slot, and the through slot is adapted to match the corresponding anchor rod (7).
7. A mining safety protection support according to claim 2, characterized in that: The clamping plate (16) is penetrated by a first circular hole, the internally threaded tube (18) slides through the corresponding first circular hole, a second sliding groove is opened on the inner wall of one side of the groove (17), a second sliding block is slidably installed in the second sliding groove, and the second sliding block is fixed on one side of the internally threaded tube (18).
8. A mining safety protection support according to claim 2, characterized in that: A second circular hole is formed on the inner wall of the bottom of the groove (17), and the screw rod (19) rotates and passes through the second circular hole.