CN223136163U - A mining mine safety protection support frame - Google Patents
A mining mine safety protection support frameInfo
- Publication number
- CN223136163U CN223136163U CN202422413806.5U CN202422413806U CN223136163U CN 223136163 U CN223136163 U CN 223136163U CN 202422413806 U CN202422413806 U CN 202422413806U CN 223136163 U CN223136163 U CN 223136163U
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- China
- Prior art keywords
- arc
- wall
- frame
- supporting leg
- safety protection
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a mining mine safety protection support frame, which relates to the technical field of mine safety protection support frames and comprises an arc-shaped arch frame and two support leg frames, wherein the two support leg frames are respectively fixed through clamping assemblies, a limiting mechanism is arranged on each support leg frame and is used for preventing the arc-shaped arch frame from shifting on the support leg frame, the limiting mechanism comprises an arc-shaped adjusting groove formed in the outer wall of each support leg frame, the inner wall of each arc-shaped adjusting groove is connected with an arc-shaped sliding block in a sliding manner, two ends of each arc-shaped sliding block are respectively fixedly provided with a top block, and the top blocks are tightly attached to the end parts of the arc-shaped arch frame.
Description
Technical Field
The utility model relates to the technical field of mine protection support frames, in particular to a mine safety protection support frame.
Background
In the mining exploitation field, the mine safety protection support frame is an important device for guaranteeing operation safety and maintaining mine structural stability, conventionally, a U-shaped steel three-arch support is often adopted as a main supporting structure in the mining mine, the support is composed of three sections of internally tangent arcs and comprises an arc-shaped arch frame and two supporting leg frames, the design forms a stable supporting system through splicing of the three sections of arcs, the pressure of mine rock can be effectively resisted, and the stability of a mine working face is guaranteed.
However, the conventional U-shaped steel three-center arch support has certain stability and reliability problems at the splicing position, particularly, the arc-shaped arch and the supporting leg frame at the side edge are usually placed in a superposition manner and fixed by bolts on the clamping assembly, the fixing mode is simple and quick, resonance and tiny vibration are easy to be caused in the long-term use process, particularly in a complex and changeable working environment (such as frequent passing of a transportation trolley, dynamic change of rock pressure and the like) in a mine, the position of the arc-shaped arch on the supporting leg frame is slightly moved or deflected, the position change can weaken the integral strength and stability of the supporting frame, the bearing capacity of the supporting frame can be influenced, and potential threat is formed on the safety of the mine operation, and in order to solve the problems, the stability and the reliability of the mining mine safety protection supporting frame are improved.
Disclosure of utility model
The utility model aims to solve the defects in the prior art and provides a mining mine safety protection support frame.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a mining mine safety protection support frame, includes arc bow member and two supporting leg framves, and two supporting leg framves are fixed through the chucking subassembly respectively, be provided with stop gear on the supporting leg framves, stop gear is used for preventing that the arc bow member shifts on the supporting leg framves;
The limiting mechanism comprises an arc-shaped adjusting groove formed in the outer wall of the supporting leg frame, the inner wall of the arc-shaped adjusting groove is slidably connected with an arc-shaped sliding block, two ends of the arc-shaped sliding block are respectively and fixedly provided with a jacking block, the jacking blocks are tightly attached to the end parts of the arc-shaped arch frame, jacking components are respectively arranged on the opposite side walls of the supporting leg frame, and the jacking components are respectively used for jacking the jacking blocks on the end walls of the arc-shaped arch frame.
The technical scheme further comprises that one group of the jacking components comprises an adjusting plate fixedly mounted on the side wall of the arc-shaped arch frame, a threaded hole is formed in the adjusting plate, an adjusting screw is connected with the inner wall of the threaded hole in a threaded mode, and the end portion of the adjusting screw is in contact with the outer wall of the jacking block.
The bottom of supporting leg frame is installed the leveling subassembly, the leveling subassembly including fixed mounting in connecting block on the supporting leg frame diapire, the ball groove has been seted up on the diapire of connecting block, the inner wall in ball groove rotates and is connected with the bulb connecting rod, the bottom fixedly connected with bottom plate of bulb connecting rod, the bottom plate passes through the rag bolt to be fixed in subaerial.
The mounting plate is symmetrically installed on the side wall of the supporting leg frame, the mounting plate is provided with a mounting through hole, two adjacent supporting leg frames are connected into a whole through a connecting assembly, the connecting assembly comprises a connecting plate, connecting screws are fixedly connected to the two ends of the connecting plate respectively, and the end parts of the connecting screws are movably penetrated through the mounting through holes in the mounting plate and are locked and fixed through nuts.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the utility model, the limiting mechanism is arranged, so that the stability of connection between the arc-shaped arch frame and the supporting leg frame can be improved, the phenomenon that the arc-shaped arch frame and the supporting leg frame slip and shift is reduced, the stability and the supporting strength of the supporting frame are further improved, and the safety of mine operation is improved.
2. According to the utility model, the leveling base is arranged at the bottom of the supporting leg frame, and the installation between the bottom end of the supporting leg frame and the bottom wall of the mine can be facilitated through the leveling base, so that the installation of the supporting frame by constructors is facilitated.
Drawings
FIG. 1 is a schematic diagram of an exploded structure of a mining mine safety protection support frame according to the present utility model;
FIG. 2 is a schematic view of a first overall structure of a mining mine safety protection support frame;
FIG. 3 is a schematic view of a second overall structure of a mining mine safety shield support;
FIG. 4 is an enlarged schematic view of the structure shown at A in FIG. 1;
Fig. 5 is an enlarged schematic view of the structure at B in fig. 3.
In the figure:
10. Arc-shaped arch frames; 20 parts of supporting leg frames, 21 parts of bottom plates, 22 parts of ball head connecting rods, 23 parts of connecting blocks, 24 parts of mounting plates, 25 parts of connecting plates, 26 parts of connecting screws, 30 parts of clamping assemblies, 41 parts of ejector blocks, 42 parts of arc-shaped sliding blocks, 43 parts of adjusting screws, 44 parts of adjusting plates, 45 parts of arc-shaped adjusting grooves.
Detailed Description
The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.
Example 1
Referring to fig. 1-5, the mining mine safety protection support frame provided by the utility model comprises an arc-shaped arch 10 and two supporting legs 20, wherein the two supporting legs 20 are respectively fixed through clamping assemblies 30, and a limiting mechanism is arranged on the supporting legs 20 and is used for preventing the arc-shaped arch 10 from shifting on the supporting legs 20;
The limiting mechanism comprises an arc-shaped adjusting groove 45 arranged on the outer wall of the supporting leg frame 20, the inner wall of the arc-shaped adjusting groove 45 is slidably connected with an arc-shaped sliding block 42, two ends of the arc-shaped sliding block 42 are respectively fixedly provided with a jacking block 41, the jacking blocks 41 are tightly attached to the end parts of the arc-shaped arch frame 10, and the limiting mechanism can be used for improving the stability of the arc-shaped arch frame 10 and the supporting leg frame 20 after being fixed, so that the phenomenon that the arc-shaped arch frame 10 shifts on the supporting leg frame 20 is reduced.
The supporting leg frame 20 is provided with a jacking component on the opposite side walls respectively, the two jacking components are respectively used for jacking the jacking blocks 41 on the end walls of the arc-shaped arch frame 10, one jacking component comprises an adjusting plate 44 fixedly installed on the side walls of the arc-shaped arch frame 10, a threaded hole is formed in the adjusting plate 44, an adjusting screw 43 is connected with the inner wall of the threaded hole in a threaded mode, the end portion of the adjusting screw 43 is contacted with the outer wall of the jacking blocks 41, when the installation position of the arc-shaped arch frame 10 is limited, the adjusting screw 43 can be rotated, the threads of the outer wall of the adjusting screw 43 are meshed with the threads of the inner wall of the adjusting plate 44, and therefore the end portion of the adjusting screw 43 is driven to move towards the outer wall close to the jacking blocks 41 until the outer wall of the jacking blocks 41 is jacked on the end wall of the arc-shaped arch frame 10, at this time, the phenomenon that the arc-shaped arch frame 10 moves downwards on the supporting leg frame 20 under the limiting action of the jacking blocks 41 can be reduced, and the installation stability between the arc-shaped arch frame 10 and the supporting leg frame 20 is improved.
The bottom of the supporting leg frame 20 is provided with a leveling component, the leveling component comprises a connecting block 23 fixedly arranged on the bottom wall of the supporting leg frame 20, a ball groove is formed in the bottom wall of the connecting block 23, a ball head connecting rod 22 is rotatably connected to the inner wall of the ball groove, the bottom end of the ball head connecting rod 22 is fixedly connected with a bottom plate 21, the bottom plate 21 is fixed on the ground through foundation bolts, and in order to enable the bottom end of the supporting leg frame 20 to be suitable for the terrain installation of the bottom wall in a mine, the installation angle of the bottom plate 21 can be adjusted, namely, when the supporting leg frame 20 is fixedly installed, the bottom wall of the bottom plate 21 is enabled to be contacted with the bottom wall in the mine through rotation of the bottom plate 21, and then the bottom plate 21 is fixed on the ground through the foundation bolts.
The side walls of the supporting leg frames 20 are symmetrically provided with mounting plates 24, the mounting plates 24 are provided with mounting through holes, two adjacent supporting leg frames 20 are connected into a whole through a connecting assembly, the connecting assembly comprises a connecting plate 25, two ends of the connecting plate 25 are fixedly connected with connecting screws 26 respectively, the end parts of the connecting screws 26 movably penetrate through the mounting through holes in the mounting plates 24 and are locked and fixed through nuts, and in order to improve the stability of a plurality of groups of supporting frames, the supporting leg frames 20 on the supporting frames can be connected into a whole through the connecting assembly, so that the overall stability of the supporting frames is improved.
In the embodiment, the working principle of the device is that when the arc-shaped arch 10 and the supporting leg frame 20 are spliced, the position of the arc-shaped arch 10 on the supporting leg frame 20 is limited by the limiting mechanism, so that the phenomenon that the arc-shaped arch 10 shifts on the supporting leg frame 20 due to the external environment in the using process of the device is reduced, the installation stability between the arc-shaped arch 10 and the supporting leg frame 20 is improved, and the safety of the construction environment in a mine is further improved.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (4)
1. The mining mine safety protection support frame comprises an arc-shaped arch frame (10) and two support leg frames (20), wherein the two support leg frames (20) are respectively fixed through clamping assemblies (30), and the mining mine safety protection support frame is characterized in that a limiting mechanism is arranged on the support leg frames (20) and used for preventing the arc-shaped arch frame (10) from shifting on the support leg frames (20);
Stop gear including set up in arc adjustment tank (45) on supporting leg frame (20) outer wall, the inner wall sliding connection of arc adjustment tank (45) has arc slider (42), fixed mounting has kicking block (41) respectively in the both ends of arc slider (42), kicking block (41) paste tightly the tip of arc bow member (10) is placed, be provided with the roof pressure subassembly on the opposite lateral wall of supporting leg frame (20) respectively, two sets of roof pressure subassembly is used for propping up kicking up block (41) on the end wall of arc bow member (10) respectively.
2. The mining mine safety protection support frame according to claim 1, wherein one group of the jacking assemblies comprises an adjusting plate (44) fixedly mounted on the side wall of the arc-shaped arch (10), a threaded hole is formed in the adjusting plate (44), an adjusting screw (43) is connected to the inner wall of the threaded hole in a threaded mode, and the end portion of the adjusting screw (43) is in contact with the outer wall of the jacking block (41).
3. The mining mine safety protection support frame according to claim 2, wherein a leveling component is installed at the bottom of the supporting leg frame (20), the leveling component comprises a connecting block (23) fixedly installed on the bottom wall of the supporting leg frame (20), a ball groove is formed in the bottom wall of the connecting block (23), a ball head connecting rod (22) is rotatably connected to the inner wall of the ball groove, a bottom end fixedly connected with bottom plate (21) of the ball head connecting rod (22), and the bottom plate (21) is fixed on the ground through foundation bolts.
4. A mining mine safety protection support frame according to claim 3, characterized in that mounting plates (24) are symmetrically mounted on the side walls of the supporting leg frames (20), mounting through holes are formed in the mounting plates (24), two adjacent supporting leg frames (20) are connected into a whole through a connecting assembly, the connecting assembly comprises a connecting plate (25), connecting screws (26) are fixedly connected to two ends of the connecting plate (25) respectively, and the ends of the connecting screws (26) movably penetrate through the mounting through holes in the mounting plates (24) and are locked and fixed through nuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422413806.5U CN223136163U (en) | 2024-10-08 | 2024-10-08 | A mining mine safety protection support frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422413806.5U CN223136163U (en) | 2024-10-08 | 2024-10-08 | A mining mine safety protection support frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223136163U true CN223136163U (en) | 2025-07-22 |
Family
ID=96416026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422413806.5U Active CN223136163U (en) | 2024-10-08 | 2024-10-08 | A mining mine safety protection support frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223136163U (en) |
-
2024
- 2024-10-08 CN CN202422413806.5U patent/CN223136163U/en active Active
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