Shaft installation stabilizing structure

Abstract

The utility model relates to the technical field of mine shaft construction, in particular to a shaft installation stabilizing structure which comprises a reinforcing net cylinder, and the reinforcing net cylinder is formed by splicing at least four splicing net plates. According to the rapid locking device, the splicing net plates composed of the connecting insertion rods, the reinforcing net, the guide rings and the connecting sleeve rods are machined in advance, and the connecting insertion rod on each splicing net plate is provided with a rapid locking assembly composed of a rotating plate, a cam shaft, a wedge-shaped push block, a guide supporting rod, a first spring, a linkage block, a second spring and a limiting head; meanwhile, the limiting holes matched with the limiting heads are reserved in the connecting sleeve rods, in the mine shaft construction process, the splicing net plates can be directly spliced in the construction foundation pit, rapid limiting is conducted under the effect of the rapid locking assemblies, and therefore rapid laying of the reinforcing net barrel on the inner wall of the mine shaft foundation pit is achieved; the construction time of the reinforcing net cylinder in the mine shaft is effectively shortened, and efficient and stable installation of the mine shaft is facilitated.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of mine shaft construction, and particularly relates to a mine shaft installation stabilizing structure. BACKGROUND

[0002] The mine shaft refers to a passageway for vertically or obliquely entering a mineral body in the mining process. The mine shaft is usually composed of a vertical or inclined passageway between a shaft head and a mineral layer, and is mainly used for transporting personnel, equipment, ores and other materials, ventilation, drainage and various operations required in the mining process. The stability of the mine shaft structure needs to be ensured during the installation of the mine shaft.

[0003] The existing mine shaft installation stabilizing structure is mainly composed of a layer of cylindrical steel mesh frame laid in the mine shaft construction pit. During the mine shaft construction process, a cylindrical pit is excavated at the construction position, and then a layer of steel mesh frame is laid in a circular shape on the inner wall of the pit, and then the steel mesh frame is fixed by anchor bolts, so as to preliminarily ensure the stability of the mine shaft structure.

[0004] Although the preliminary laying of the steel mesh frame in the mine shaft construction pit can preliminarily increase the stability of the mine shaft structure, the process of binding the steel mesh frame by threading during the laying of the steel mesh frame is relatively cumbersome, which leads to low laying efficiency of the steel mesh frame for the mine shaft installation, and is not convenient for the efficient and stable installation of the mine shaft. SUMMARY

[0005] In view of the deficiencies in the prior art, the present application aims to provide a mine shaft installation stabilizing structure which realizes efficient laying of the reinforcing mesh cylinder in the mine shaft construction pit by combining prefabrication and on-site assembly, effectively shortens the construction time of the reinforcing mesh cylinder in the mine shaft construction pit, and facilitates efficient and stable installation of the mine shaft.

[0006] The above application purpose of the present application is realized by the following technical scheme:

[0007] A wellbore installation stable structure comprises a reinforcing net cylinder formed by assembling net plates, wherein the number of the net plates is no less than four, each of the net plates comprises a connecting plug, a reinforcing net, a guide ring and a connecting sleeve, the connecting plug is located at one end of the reinforcing net, the connecting sleeve is located at the other end of the reinforcing net, the guide ring is welded in the middle of the reinforcing net, the connecting plug is provided with a quick lock assembly, the quick lock assembly comprises a rotating plate, a cam shaft, a wedge-shaped push block, a guide support, a spring one, a linkage block, a spring two and a limiting head, a limiting hole is formed in the connecting sleeve at a position corresponding to the limiting head, the cam shaft is installed on one side of the connecting plug, the rotating plate is located at the top end of the cam shaft, the wedge-shaped push block is located on one side of each cam of the cam shaft, two guide supports are arranged on the lower part of each wedge-shaped push block, the guide support is provided with the spring one, two linkage blocks are symmetrically arranged on the side of the wedge-shaped push block opposite to the cam shaft, and each linkage block is connected with one limiting head at the middle of the side wall facing the limiting hole, and the linkage block is provided with the spring two outside the limiting head.

[0008] Optionally, the reinforcing net is in an arc structure, and the reinforcing net is a prefabricated reinforcing net.

[0009] Optionally, the guide ring penetrates through the reinforcing net, and the position of the guide ring is arranged according to the installation interval of the external fixed anchor rod.

[0010] Optionally, the connecting plug and the connecting sleeve are welded with the reinforcing net, a groove is formed in the side wall of the connecting sleeve opposite to the reinforcing net along the height direction from top to bottom, and a protrusion matched with the groove is reserved on the connecting plug.

[0011] Optionally, the limiting hole is located on the two symmetrical vertical side walls of the groove on the connecting sleeve, and the limiting head is in sliding fit with the side wall of the connecting plug facing the limiting hole.

[0012] Optionally, the connecting plug and the connecting sleeve are welded with the reinforcing net, a groove is formed in the side wall of the connecting sleeve opposite to the reinforcing net along the height direction from top to bottom, and a protrusion matched with the groove is reserved on the connecting plug.

[0013] Optionally, the cam shaft is rotationally connected with the connecting plug, and the top end of the cam shaft penetrates through the connecting plug and is welded with the rotating plate.

[0014] Optionally, the guide support is in sliding fit with the wedge-shaped push block, and the two ends of the spring one are welded with the corresponding side walls of the wedge-shaped push block and the connecting plug respectively.

[0015] Optionally, the two ends of the spring two are welded with the linkage block and the corresponding side wall of the connecting plug respectively.

[0016] In summary, the present application includes at least one of the following beneficial technical effects:

[0017] The utility model discloses a prefabricated assembling net board composed of connecting plug rods, reinforcing nets, guide rings and connecting sleeve rods, and a quick locking assembly composed of a rotating plate, a cam shaft, a wedge-shaped push block, a guide support rod, a spring I, a linkage block, a spring II and a limiting head is installed on the connecting plug rod of each assembling net board, and a limiting hole matched with the limiting head is reserved on the connecting sleeve rod, so that the assembling net boards can be directly assembled with each other in the construction foundation pit during the mine shaft construction, and quick limiting is realized under the action of the quick locking assembly, thereby realizing quick laying of the reinforcing net cylinder on the inner wall of the mine shaft foundation pit, effectively shortening the construction time of the reinforcing net cylinder in the mine shaft, and facilitating efficient and stable installation of the mine shaft. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic diagram provided by the embodiment of the present application;

[0019] Figure 2 is a structural schematic diagram of the assembling net board provided by the embodiment of the present application;

[0020] Figure 3 is a structural schematic diagram of the connecting plug rod provided by the embodiment of the present application;

[0021] Figure 4 is a main sectional view of the connecting plug rod provided by the embodiment of the present application;

[0022] Figure 5 is a planar sectional view of the connecting plug rod provided by the embodiment of the present application;

[0023] Figure 6 is a structural schematic diagram of the connecting plug rod provided by the embodiment of the present application; Figure 4 is an enlarged view of A in the above figure.

[0024] BRIEF DESCRIPTION OF DRAWINGS 1, reinforcing net cylinder; 2, assembling net board; 21, connecting plug rod; 22, reinforcing net; 23, guide ring; 24, connecting sleeve rod; 3, limiting hole; 4, quick locking assembly; 41, rotating plate; 42, cam shaft; 43, wedge-shaped push block; 44, guide support rod; 45, spring I; 46, linkage block; 47, spring II; 48, limiting head. DETAILED DESCRIPTION

[0025] The present application will be further described in detail below with reference to the accompanying drawings.

[0026] In order to more clearly understand the technical solutions exhibited in the embodiments of the present application, first, the existing shaft installation and stabilizing structure will be introduced.

[0027] The existing wellbore installation stabilizing structure is mainly composed of a layer of cylindrical steel mesh frame laid in the wellbore construction foundation pit. In the process of mine wellbore construction, a cylindrical foundation pit is excavated at the construction position first, then a layer of steel mesh frame is laid in a circle on the inner wall of the foundation pit, and then the steel mesh frame is fixed through anchor bolts, so as to preliminarily ensure the stability of the wellbore structure through the fixed steel mesh frame.

[0028] Please refer to Figure 1 、 Figure 2 、 Figure 4 and Figure 5 , a wellbore installation stabilizing structure disclosed in the embodiment of the present application comprises a reinforcing mesh cylinder 1, which is composed of mutually assembled assembling mesh plates 2. The number of assembling mesh plates 2 is not less than four. Each assembling mesh plate 2 comprises a connecting plug rod 21, a reinforcing mesh 22, a guide ring 23 and a connecting sleeve rod 24. The connecting plug rod 21 is located at one end of the reinforcing mesh 22, the connecting sleeve rod 24 is located at the other end of the reinforcing mesh 22, and the guide ring 23 is welded in the middle of the reinforcing mesh 22. A quick lock assembly 4 is installed on the connecting plug rod 21. The quick lock assembly 4 comprises a rotating plate 41, a cam shaft 42, a wedge-shaped push block 43, a guide support rod 44, a spring 1 45, a linkage block 46, a spring 2 47 and a limiting head 48. A limiting hole 3 is formed in the part of the connecting sleeve rod 24 that cooperates with the limiting head 48. The cam shaft 42 is installed on one side in the connecting plug rod 21. The rotating plate 41 is located at the top end of the cam shaft 42. The wedge-shaped push block 43 is located on one side of each cam on the cam shaft 42. Each wedge-shaped push block 43 has two guide support rods 44 at the lower part. The guide support rods 44 are sleeved with the spring 1 45. Two linkage blocks 46 are symmetrically arranged on the side of the wedge-shaped push block 43 opposite to the cam shaft 42. Each linkage block 46 is connected with one limiting head 48 at the middle of the side wall facing the limiting hole 3. The spring 2 47 is installed on the outside of the limiting head 48 on the linkage block 46.

[0029] Specifically, when the reinforcing net cylinder 1 is installed in the mine shaft foundation pit, first, the prefabricated assembled net plate 2 is placed at the construction position in the mine shaft, then the connecting sleeve rod 24 on one assembled net plate 2 is inserted into the connecting plug rod 21 on another assembled net plate 2, then the cam shaft 42 is rotated counterclockwise by 90° through the rotating plate 41, the cam shaft 42 pushes the wedge-shaped push block 43 to move to one side of the linkage block 46 during rotation, at this time the wedge-shaped push block 43 stably slides under the guidance of the guide support rod 44, and the wedge-shaped push block 43 pushes the limiting head 48 out of the connecting plug rod 21 under the action of the linkage block 46 to ensure that the limiting head 48 is inserted into the corresponding limiting hole 3, thereby realizing the rapid limiting of the two adjacent assembled net plates 2, and since the cam shaft 42 is in contact with the groove on the side wall of the wedge-shaped push block 43 after rotation, the cam shaft 42 is in a stable locking state under the tension of the spring one 45, thereby ensuring the reliable limiting between the two adjacent assembled net plates 2, and then the assembled net plates 2 are sequentially assembled in the above manner, thereby realizing the rapid laying of the reinforcing net cylinder 1 on the inner wall of the mine shaft foundation pit.

[0030] Please refer to Figure 1 and Figure 2 The reinforcing net 22 is in an arc shape, and the reinforcing net 22 is a prefabricated reinforcing net.

[0031] As an embodiment, the arc shape can make the reinforcing net 22 fit the inner wall of the mine shaft more closely, and the prefabricated reinforcing net 22 can effectively ensure the structural strength of the reinforcing net 22.

[0032] Please refer to Figure 1 and Figure 2 The guide ring 23 penetrates the reinforcing net 22, and the position of the guide ring 23 is arranged according to the installation interval of the external fixed anchor rod.

[0033] As an embodiment, the guide ring 23 is mainly used for the external fixed anchor rod to pass through conveniently, and can realize the rapid positioning of the installation position of the external fixed anchor rod and guide the installation of the external fixed anchor rod.

[0034] Please refer to Figures 1-3 The connecting plug rod 21 and the connecting sleeve rod 24 are both welded with the reinforcing net 22, a groove is formed on the side wall of the connecting sleeve rod 24 opposite to the reinforcing net 22 along the height direction from top to bottom, and a protrusion is reserved on the connecting plug rod 21 to cooperate with the groove.

[0035] As an embodiment, the groove on the connecting sleeve rod 24 and the protrusion on the connecting plug rod 21 can realize the stable assembly and fit between the connecting sleeve rod 24 and the connecting plug rod 21.

[0036] Please refer to Figure 2The limiting hole 3 is located on the symmetrical vertical side wall of the groove on the connecting sleeve rod 24, and the limiting head 48 is in sliding fit with the side wall of the connecting plug rod 21 facing the limiting hole 3.

[0037] As an embodiment, the limiting hole 3 is designed on the side wall of the groove on the connecting sleeve rod 24, and the limiting head 48 is in sliding fit with the connecting plug rod 21, which can ensure the convenient sliding of the limiting head 48 into the limiting hole 3 after adjustment.

[0038] Please refer to Figure 3 and Figure 4 The hollow structure in the connecting plug rod 21 is in communication with the cam shaft 42 and the wedge-shaped push block 43, and the linkage block 46 is a wedge-shaped block.

[0039] As an embodiment, the hollow structure in the connecting plug rod 21 can provide sufficient installation space for the cam shaft 42 and the wedge-shaped push block 43, and the wedge-shaped linkage block 46 can be conveniently pushed under the action of the wedge-shaped push block 43.

[0040] Please refer to Figure 3 and Figure 4 The cam shaft 42 is rotationally connected with the connecting plug rod 21, the top end of the cam shaft 42 penetrates the connecting plug rod 21 and is welded with the rotating plate 41.

[0041] As an embodiment, the rotational installation method can make the rotation of the cam shaft 42 relative to the connecting plug rod 21 more convenient, and welding the cam shaft 42 with the rotating plate 41 can ensure the synchronous rotation of the cam shaft 42 and the rotating plate 41.

[0042] Please refer to Figure 4 and Figure 6 The guide support rod 44 is in sliding fit with the wedge-shaped push block 43, and the spring 45 is welded at both ends with the corresponding side wall in the wedge-shaped push block 43 and the connecting plug rod 21.

[0043] As an embodiment, when the cam shaft 42 does not rotate, the spring 45 is in natural extension and contraction, and after the cam shaft 42 rotates counterclockwise by 90°, the spring 45 has a pulling effect on the wedge-shaped push block 43, so that when the cam shaft 42 rotates and abuts against the wedge-shaped push block 43, reliable limiting of the cam shaft 42 is realized.

[0044] Please refer to Figure 4 and Figure 5 The spring 47 is welded at both ends with the corresponding side wall in the linkage block 46 and the connecting plug rod 21.

[0045] As an embodiment, the spring 47 is mainly used to realize the stable connection of the linkage block 46 and the inside of the connecting plug rod 21.

[0046] Specific working principle is, in the mine shaft construction process, to the inner wall of the mine shaft is first stabilized and reinforced, the precast assembled net plate 2 is placed in the mine shaft, then the connecting sleeve rod 24 on one assembled net plate 2 is inserted into the connecting plug rod 21 on another assembled net plate 2, then the camshaft 42 is rotated counterclockwise by 90° through the rotating plate 41, the camshaft 42 will push the wedge-shaped push block 43 to move to the side of the linkage block 46 during rotation, at this time the wedge-shaped push block 43 will slide stably under the guidance of the guide support rod 44, the wedge-shaped push block 43 will push the limiting head 48 out of the connecting plug rod 21 under the action of the linkage block 46 during movement, to ensure that the limiting head 48 is inserted into the corresponding limiting hole 3, so as to realize the quick limiting of the two adjacent assembled net plates 2, since the camshaft 42 will be in contact with the groove on the side wall of the wedge-shaped push block 43 after rotation, at this time the camshaft 42 will be in a stable locking state under the tensioning action of the spring 1 45 on the wedge-shaped push block 43, so as to ensure the reliable limiting between the two adjacent assembled net plates 2, then only need to assemble the assembled net plate 2 in sequence according to the above method, the quick laying of the reinforcing net cylinder 1 on the inner wall of the mine shaft foundation pit can be realized, since in the above reinforcing and stabilizing method, the assembled net plate 2 is directly assembled between the construction foundation pit, and the quick locking assembly 4 is used for quick limiting, the quick laying of the reinforcing net cylinder 1 on the inner wall of the mine shaft foundation pit is realized, the construction time of the reinforcing net cylinder 1 in the mine shaft is effectively shortened, so as to facilitate the efficient and stable installation of the mine shaft.

[0047] The embodiments of the specific implementation are the preferred embodiments of the present application, not limited to the protection scope of the present application, so: any equivalent changes made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.

Claims

1. A wellbore installation stabilization structure, characterized by: The invention comprises a reinforcement mesh cylinder (1), wherein the reinforcement mesh cylinder (1) is composed of assembled mesh plates (2) assembled with each other, wherein the number of the assembled mesh plates (2) is not less than four, and each of the assembled mesh plates (2) comprises a connecting rod (21), a reinforcement mesh (22), a guide ring (23) and a connecting sleeve rod (24), wherein the connecting rod (21) is located at one end of the reinforcement mesh (22), the connecting sleeve rod (24) is located at the other end of the reinforcement mesh (22), and the guide ring (23) is welded to the middle of the reinforcement mesh (22). A quick lock assembly (4) is installed on the connecting rod (21), and the quick lock assembly (4) comprises a rotating plate (41), a cam shaft (42), a wedge-shaped push block (43), a guide support rod (44), a spring 1 (45), a linkage block (46), a spring 2 (47) and a limit head (48), and the connecting sleeve rod A limiting hole (3) is provided on the connecting rod (24) at a position cooperating with the limiting head (48), the cam shaft (42) is installed on one side of the connecting rod (21), the rotating plate (41) is located at the top of the cam shaft (42), the wedge-shaped push block (43) is located on one side of each cam on the cam shaft (42), each wedge-shaped push block (43) has two guide struts (44) at the lower part, the guide strut (44) is provided with a spring 1 (45) on the outer sleeve, the wedge-shaped push block (43) is symmetrically provided with two linkage blocks (46) on the side facing away from the cam shaft (42), each linkage block (46) is connected to a limiting head (48) at the middle of the side wall facing the limiting hole (3), and a spring 2 (47) is installed on the linkage block (46) at the outer side of the limiting head (48).

2. A wellbore installation stabilization structure according to claim 1, characterized in that: The reinforcement mesh (22) is an arc-shaped structure, and the reinforcement mesh (22) is a prefabricated steel mesh.

3. The wellbore installation stabilization structure according to claim 1, characterized in that: The guide ring (23) passes through the reinforcement net (22), and the position of the guide ring (23) is arranged according to the installation spacing of the external fixing anchor rods.

4. The wellbore installation stabilization structure according to claim 1, characterized in that: The connecting rod (21) and the connecting sleeve rod (24) are both welded to the reinforcing net (22); a groove is provided on the side wall of the connecting sleeve rod (24) facing away from the reinforcing net (22) from top to bottom in the height direction; and a protrusion is reserved on the connecting rod (21) to cooperate with the groove.

5. A wellbore installation stabilization structure according to claim 4, characterized in that: The limiting hole (3) is located on two symmetrical vertical side walls of the groove on the connecting sleeve rod (24), and the limiting head (48) is slidably engaged with the side wall of the connecting rod (21) facing the limiting hole (3).

6. The wellbore installation stabilization structure according to claim 1, characterized in that: The camshaft (42) and the wedge-shaped push block (43) in the connecting rod (21) are both connected hollow structures, and the linkage block (46) is a wedge-shaped block.

7. The wellbore installation stabilization structure according to claim 1, characterized in that: The camshaft (42) is rotatably connected to the connecting rod (21), and the top end of the camshaft (42) passes through the connecting rod (21) and is welded to the rotating plate (41).

8. The wellbore installation stabilization structure according to claim 1, characterized in that: The guide support rod (44) is slidably matched with the wedge-shaped push block (43), and the two ends of the spring (45) are respectively welded to the wedge-shaped push block (43) and the corresponding side walls inside the connecting rod (21).

9. The wellbore installation stabilization structure according to claim 1, characterized in that: The two ends of the second spring (47) are respectively welded to the linkage block (46) and the corresponding side walls inside the connecting rod (21).

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