Mine wellhead protection equipment

Abstract

The utility model relates to the technical field of mine protection equipment, and discloses mine well mouth protection equipment which comprises a bottom plate, the bottom plate is fixedly installed on a well mouth, supporting columns are fixedly installed at the four corners of the wall face of the top end of the bottom plate, and a top cover is fixedly installed at the top ends of the supporting columns. The steering assembly comprises two mounting plates fixedly mounted between the bottom plate and the top cover, and a roller is arranged between the two mounting plates; the protection assembly comprises a circular protection plate; and a baffle assembly. The protection assembly and the steering assembly are arranged on the bottom plate, a steel wire rope drives a baffle ring to move in the ascending process, the baffle ring drives a circular protection plate to turn over after making contact with a rear guide plate, a mine car can conveniently go up, and the baffle assembly movably penetrates through one side of the bottom plate and pushes a rectangular protection plate into a clamping groove to block a well opening; and the situation that personnel fall off in the operation process is further avoided, and the safety of operators is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of mine protection equipment, in particular to a mine shaft protection device. Background Art

[0002] A mine is the general term for the mine shafts, chambers, equipment, surface buildings and structures that form the underground coal mine production system. The development of the mine can be divided into vertical shaft development, inclined shaft development, adit development and comprehensive development. After vertical shaft development, it is necessary to protect the shaft opening. On the one hand, to avoid the phenomenon of shaft opening collapse, and on the other hand, to avoid the phenomenon of personnel falling.

[0003] The prior art discloses a mine shaft protection device for a mine hoist (publication number: CN112523553B), which includes a bottom plate. Fixing rods for fixing the bottom plate are arranged at the four corners of the bottom plate. A protective fence is installed between adjacent fixing rods. A ceiling for rain protection and water collection is fixedly supported inside the protective fence by a plurality of support rods.

[0004] The prior art is convenient to install, but the shaft opening is not partitioned during the operation process, and there may be a situation where people accidentally fall during the operation.

[0005] Therefore, the technical personnel in this field provide a mine shaft protection device to solve the problems raised in the above background art. Content of the Utility Model

[0006] Aiming at the deficiencies of the prior art, the utility model provides a mine shaft protection device, which solves the problems raised in the above background art.

[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0008] A mine shaft protection device, which includes: a bottom plate, the bottom plate is fixedly installed at the shaft opening, support columns are fixedly installed at the four corners of the top wall surface of the bottom plate, and a top cover is fixedly installed at the top of the support columns; a steering component, the steering component is arranged between the bottom plate and the top cover, the steering component includes a mounting plate fixedly installed between the bottom plate and the top cover, the number of mounting plates is two, and rollers are arranged between the two mounting plates; a protection component, a circular through hole is penetrated between the top and the bottom of the bottom plate, the protection component is arranged above the circular through hole, and the protection component includes a circular protection plate; a baffle component, the baffle component movably penetrates through one side of the bottom plate, and the baffle component includes a rectangular protection plate.

[0009] According to the mine shaft protection device, a truss is fixedly installed between the support columns, and the top of the top cover is pointed.

[0010] According to the described mine shaft opening protection device, the tops of the two mounting plates are fixedly installed at the bottom end of the top cover. The two mounting plates are parallel to each other. Shafts are fixedly connected to both side walls of the roller. The side of the shaft close to the mounting plate is movably installed on the mounting plate through a bearing.

[0011] According to the described mine shaft opening protection device, a steel wire rope passes through the groove of the roller. One end of the steel wire rope is connected to the mine hoist, and the other end of the steel wire rope passes through the circular through-hole and is connected to the mine car in the mine.

[0012] According to the described mine shaft opening protection device, a retaining ring is fixedly installed on the outer wall of the steel wire rope, and the retaining ring is at the end close to the mine car.

[0013] According to the described mine shaft opening protection device, the protection component further includes a guide plate. The guide plate is located below the circular protection plate. The guide plate is in a "U" shape. Connecting rods are fixedly connected between the guide plate and the circular protection plate. A wire groove is penetrated and opened between the top end and the bottom end of the circular protection plate. The connecting rods are located on both sides of the wire groove. Two assembly plates are fixedly installed on the top wall surface of the bottom plate. A connecting block is fixedly connected to the top end of the circular protection plate. The connecting block is movably installed between the two assembly plates.

[0014] According to the described mine shaft opening protection device, a clamping groove is opened on the inner wall surface of the circular through-hole of the bottom plate. The rectangular protection plate can be movably clamped in the clamping groove. A push rod is fixedly installed at the top end of the rectangular protection plate.

[0015] The utility model provides a mine shaft opening protection device. It has the following beneficial effects:

[0016] (1) During the mining process of the mine, the mine hoist lifts and transports the mine car. In order to prevent personnel from accidentally falling into the shaft and causing accidents, in this application, a protection component and a steering component are provided on the bottom plate. When the steel wire rope rises, it drives the retaining ring to move. After the retaining ring contacts the guide plate, it drives the circular protection plate to flip, so as to facilitate the mine car to come up. By setting the baffle component to movably penetrate through one side of the bottom plate and pushing the rectangular protection plate into the clamping groove to block the shaft opening, it further avoids the situation of personnel falling during the operation and ensures the safety of the operators.

[0017] (2) By setting one end of the steel wire rope to be connected to the mine hoist and the other end to be connected to the mine car, and by setting the steel wire rope to bypass the groove of the roller, it plays a role in redirecting the steel wire rope. By setting the retaining ring fixedly installed on the outer wall of the steel wire rope, at the end of the retaining ring close to the mine car, the retaining ring rises during the winding process of the steel wire rope.

[0018] (3) By opening a wire groove on the protection component, the steel wire rope passes through the circular protection plate through the wire groove. A connecting block is fixedly connected to the circular protection plate. Two assembly plates are fixedly installed on the bottom plate. The connecting block is movably installed between the assembly plates. The guide plate and the circular protection plate are connected by setting a connecting rod. During the rising process of the retaining ring, the guide plate blocks it. The retaining ring drives the guide plate and the push rod to rotate around the connecting block together. The circular protection plate is set to prevent the staff from accidentally falling into the mine during operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 FIG. 6 is a three-dimensional structural schematic diagram of a mine shaft head protection device of the present utility model;

[0020] Figure 2 FIG. 7 is a left view schematic diagram of a mine shaft head protection device of the present utility model;

[0021] Figure 3 FIG. 8 is a three-dimensional structural schematic diagram of a steering component of a mine shaft head protection device of the present utility model;

[0022] Figure 4 FIG. 9 is a schematic diagram of the unfolded state of a protection component of a mine shaft head protection device of the present utility model;

[0023] Figure 5 FIG. 10 is a three-dimensional structural schematic diagram of a protection component of a mine shaft head protection device of the present utility model;

[0024] Figure 6 FIG. 11 is a three-dimensional structural schematic diagram of a baffle component of a mine shaft head protection device of the present utility model.

[0025] LEGEND DESCRIPTION:

[0026] 10. Bottom plate; 11. Support column; 12. Top cover; 13. Steering component; 14. Protection component; 15. Baffle component; 16. Mounting plate; 17. Rotating shaft; 18. Roller; 19. Steel wire rope; 20. Retaining ring; 21. Clamping groove; 22. Truss; 23. Circular protection plate; 24. Wire groove; 25. Guide plate; 26. Connecting rod; 27. Connecting block; 28. Assembly plate; 29. Rectangular protection plate; 30. Push rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0027] As Figures 1-6Shown: A mine shaft protection device, which includes: a bottom plate 10, the bottom plate 10 is fixedly installed at the shaft opening, support columns 11 are fixedly installed at four corners of the top wall surface of the bottom plate 10, and a top cover 12 is fixedly installed at the top of the support columns 11; a steering component 13, the steering component 13 is arranged between the bottom plate 10 and the top cover 12, the steering component 13 includes mounting plates 16 fixedly installed between the bottom plate 10 and the top cover 12, the number of mounting plates 16 is two, and a roller 18 is arranged between the two mounting plates 16; a protection component 14, a circular through-hole is penetrated between the top and the bottom of the bottom plate 10, the protection component 14 is arranged above the circular through-hole, and the protection component 14 includes a circular protection plate 23; a baffle component 15, the baffle component 15 movably penetrates through one side of the bottom plate 10, and the baffle component 15 includes a rectangular protection plate 29.

[0028] Specifically, during the mining process of the mine, the mine hoist lifts and transports the mine car. In order to prevent personnel from accidentally falling into the shaft opening and causing accidents, this application sets the protection component 14 and the steering component 13 on the bottom plate 10. During the ascending process, the steel wire rope 19 drives the retaining ring 20 to move. After the retaining ring 20 contacts the guide plate 25, it drives the circular protection plate 23 to flip, so as to facilitate the mine car to come up. By setting the baffle component 15 to movably penetrate through one side of the bottom plate 10 and pushing the rectangular protection plate 29 into the clamping groove 21, the shaft opening is partitioned to further prevent personnel from falling during the operation and ensure the safety of the operators.

[0029] A truss 22 is fixedly installed between the support columns 11, and the top of the top cover 12 is pointed.

[0030] Specifically, by fixedly installing the truss 22 between the support columns 11, the firmness of the device is improved. By setting the top of the top cover 12 to be pointed, it is convenient for drainage.

[0031] The tops of the two mounting plates 16 are fixedly installed at the bottom of the top cover 12, the two mounting plates 16 are in a parallel state, rotating shafts 17 are fixedly connected to both side wall surfaces of the roller 18, and the sides of the rotating shafts 17 close to the mounting plates 16 are movably installed on the mounting plates 16 through bearings.

[0032] Specifically, the two mounting plates 16 are fixedly installed between the bottom plate 10 and the top cover 12, the two sides of the roller 18 are fixedly connected with the rotating shafts 17, the rotating shafts 17 are movably connected with the corresponding mounting plates 16 through bearings, and the roller 18 rotates following the rotating shafts 17.

[0033] A steel wire rope 19 passes through the groove of the roller 18. One end of the steel wire rope 19 is connected to the mine hoist, and the other end of the steel wire rope 19 passes through the circular through-hole and is connected to the mine car in the mine. A retaining ring 20 is fixedly installed on the outer wall surface of the steel wire rope 19, and the retaining ring 20 is at the end close to the mine car.

[0034] Specifically, one end of the steel wire rope 19 is connected to the mine hoist, and the other end is connected to the mine car. By arranging the steel wire rope 19 to bypass the groove of the roller 18, the direction of the steel wire rope 19 is changed. By arranging the retaining ring 20 fixedly installed on the outer wall surface of the steel wire rope 19, at the end of the retaining ring 20 close to the mine car, the retaining ring 20 rises during the winding process of the steel wire rope 19.

[0035] The protection component 14 further includes a guide plate 25. The guide plate 25 is located below the circular protection plate 23. The guide plate 25 is in a "U" shape. A connecting rod 26 is fixedly connected between the guide plate 25 and the circular protection plate 23. A wire groove 24 is penetrated and opened between the top end and the bottom end of the circular protection plate 23. The connecting rod 26 is located on both sides of the wire groove 24. Two assembly plates 28 are fixedly installed on the top wall surface of the bottom plate 10. The top end of the circular protection plate 23 is fixedly connected with a connecting block 27. The connecting block 27 is movably installed between the two assembly plates 28.

[0036] Specifically, by opening the wire groove 24 on the protection component 14, the steel wire rope 19 passes through the circular protection plate 23 through the wire groove 24. The circular protection plate 23 is fixedly connected with the connecting block 27. The two assembly plates 28 are fixedly installed on the bottom plate 10. The connecting block 27 and the assembly plates 28 are movably installed. By arranging the connecting rod 26 to connect the guide plate 25 and the circular protection plate 23, the guide plate 25 blocks the retaining ring 20 during the rising process of the retaining ring 20. The retaining ring 20 drives the guide plate 25 and the push rod 30 to rotate around the connecting block 27 together. The circular protection plate 23 is arranged to prevent the staff from accidentally falling into the mine during operation.

[0037] A clamping groove 21 is opened on the inner wall surface of the circular through hole of the bottom plate 10. The rectangular protection plate 29 can be movably clamped in the clamping groove 21. A push rod 30 is fixedly installed at the top end of the rectangular protection plate 29.

[0038] Specifically, by opening the clamping groove 21 on the inner wall surface of the circular through hole of the bottom plate 10, pushing the push rod 30 to movably clamp the rectangular protection plate 29 in the clamping groove 21, ensuring that after the mine car is pulled up, the rectangular protection plate 29 is clamped in the clamping groove 21 to prevent the staff from accidentally falling into the mine during operation, thereby ensuring the safety of the staff.

[0039] Working principle of a mine shaft protection device in this application: One end of a steel wire rope 19 is connected to a mine hoist, and the other end is connected to a mine car. By arranging the steel wire rope 19 to bypass the groove of a roller 18, a direction-changing effect is achieved on the steel wire rope 19. A retaining ring 20 is fixedly installed on the outer wall surface of the steel wire rope 19. At the end of the retaining ring 20 close to the mine car, during the winding process of the steel wire rope 19, the retaining ring 20 rises. During the rising process of the retaining ring 20, a guide plate 25 blocks it. The retaining ring 20 drives the guide plate 25 and a push rod 30 to rotate together around a connecting block 27. A circular protection plate 23 is provided to prevent workers from accidentally falling into the mine during operation. By opening a clamping groove 21 on the inner wall surface of a circular through-hole of a bottom plate 10, the push rod 30 is pushed to movably clamp a rectangular protection plate 29 in the clamping groove 21. After the mine car is pulled up, the rectangular protection plate 29 is clamped in the clamping groove 21 to prevent workers from accidentally falling into the mine during operation, thereby ensuring the safety of workers.

[0040] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art of this industry should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed.

Claims

1. A mine wellhead protection device, characterized in that: include: A bottom plate (10), the bottom plate (10) being fixedly mounted on the wellhead, support columns (11) being fixedly mounted on four corners of the top wall of the bottom plate (10), and a top cover (12) being fixedly mounted on the top of the support column (11); A steering assembly (13), the steering assembly (13) being arranged between the bottom plate (10) and the top cover (12), the steering assembly (13) comprising a mounting plate (16) fixedly mounted between the bottom plate (10) and the top cover (12), the number of the mounting plates (16) being two, and a roller (18) being arranged between the two mounting plates (16); A protective component (14), wherein a circular through hole is formed between the top and bottom ends of the bottom plate (10), the protective component (14) is arranged above the circular through hole, and the protective component (14) includes a circular protective plate (23); A baffle assembly (15) is movably disposed through one side of the bottom plate (10), and the baffle assembly (15) includes a rectangular protective plate (29).

2. The mine wellhead protection device according to claim 1 is characterized in that: A truss (22) is fixedly installed between the support columns (11), and the top end of the top cover (12) is pointed.

3. The mine wellhead protection device according to claim 1 is characterized in that: The top ends of the two mounting plates (16) are fixedly mounted on the bottom end of the top cover (12), and the two mounting plates (16) are parallel to each other. The two side walls of the roller (18) are fixedly connected with a rotating shaft (17), and the side of the rotating shaft (17) close to the mounting plate (16) is movably mounted on the mounting plate (16) through a bearing.

4. The mine wellhead protection device according to claim 1 is characterized in that: A steel wire rope (19) passes through the groove of the roller (18), one end of the steel wire rope (19) is connected to the mine hoist, and the other end of the steel wire rope (19) passes through the circular through hole and is connected to the mine car in the mine.

5. The mine wellhead protection device according to claim 4 is characterized in that: A retaining ring (20) is fixedly mounted on the outer wall surface of the steel wire rope (19), and the retaining ring (20) is at one end close to the mine car.

6. The mine wellhead protection device according to claim 1, characterized in that: The protection assembly (14) further comprises a guide plate (25), the guide plate (25) being located below the circular protection plate (23), the guide plate (25) being in a "U" shape, a connecting rod (26) being fixedly connected between the guide plate (25) and the circular protection plate (23), a wire groove (24) being provided between the top and bottom ends of the circular protection plate (23), the connecting rod (26) being located on both sides of the wire groove (24), two assembly plates (28) being fixedly mounted on the top wall surface of the bottom plate (10), a connecting block (27) being fixedly connected to the top end of the circular protection plate (23), and the connecting block (27) being movably mounted between the two assembly plates (28).

7. The mine wellhead protection device according to claim 1 is characterized in that: A snap-fit ​​groove (21) is provided on the inner wall surface of the circular through hole of the bottom plate (10), and the rectangular protection plate (29) can be movably snap-fitted into the snap-fit ​​groove (21), and a push rod (30) is fixedly mounted on the top end of the rectangular protection plate (29).

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