Annular enclosure structure of shaft mouth

Abstract

The utility model relates to the technical field of vertical shafts, and discloses a vertical shaft mouth annular enclosure structure which comprises a circular ring, a first fixing block is fixedly connected to the outer wall of the circular ring, first gear rods are slidably connected to the two sides of the interior of the first fixing block, the first gear rods on the two sides are meshed with each other, and a motor is fixedly connected to the top of the first fixing block. The output end of the motor is fixedly connected to the outer wall of the first gear rod on one side, a second gear rod is arranged on one side of the first gear rod, the first gear rod and the second gear rod are meshed, a third gear rod is arranged on one side of the second gear rod, the second gear rod and the third gear rod are meshed, and the first gear rod and the second gear rod are meshed. And fourth gear rods are arranged on the outer walls of the third gear rods correspondingly, and the third gear rods are engaged with the fourth gear rods. According to the utility model, through the contraction and expansion of the enclosure cloth, the problems that the maintenance structure of the traditional equipment is large in size and inconvenient to transport and store are solved, the transportation and storage cost of the equipment is reduced, and the portability of the equipment in use is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of vertical shafts, in particular to a circumferential enclosing structure for the wellhead of a vertical shaft. Background Technique

[0002] A vertical shaft is a vertical or nearly vertical underground passage or well-shaped structure, which is widely used in fields such as mine exploitation, subway and tunnel engineering, and water conservancy projects. The structure of a vertical shaft generally includes parts such as a shaft wall, a shaft bottom, and a wellhead. The shaft wall needs to have sufficient strength and impermeability. Protective facilities are usually set at the wellhead to ensure safety. During the construction or maintenance of a vertical shaft, an enclosing structure is required to surround the wellhead of the vertical shaft;

[0003] The circumferential enclosing structure for the wellhead of a vertical shaft is a protective structure arranged around the wellhead of the vertical shaft. Its main purpose is to ensure safety, prevent people from accidentally falling into the vertical shaft, avoid causing casualties, block objects around the wellhead from falling into the vertical shaft, and protect the safety of underground workers and equipment. For example, at a construction site, if there is no effective circumferential enclosing structure for the wellhead, workers are extremely likely to be in danger when moving nearby;

[0004] However, the traditional enclosing device for the wellhead of a vertical shaft is relatively large in volume, occupies a large space during transportation and storage, is not convenient for good handling and storage, increases the difficulty and use cost of transportation and storage, and at the same time reduces the portability of equipment use. Therefore, a circumferential enclosing structure for the wellhead of a vertical shaft is proposed to solve the above problems. Content of the Utility Model

[0005] In order to make up for the above deficiencies, the utility model provides a circumferential enclosing structure for the wellhead of a vertical shaft, aiming to improve the problem that the volume of the traditional equipment maintenance structure is relatively large and it is not convenient for transportation and storage.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] The circumferential enclosing structure at the shaft opening includes a circular ring. Fixed blocks one are fixedly connected to the outer wall of the circular ring. On both sides inside each fixed block one, there is a gear rod one slidably connected. The two gear rods one on both sides mesh with each other. At the top of the fixed block one, there is a motor fixedly connected, and the output end of the motor is fixedly connected to the outer wall of one of the gear rods one on one side. On one side of each gear rod one, there is a gear rod two, and the gear rod one meshes with the gear rod two. On one side of each gear rod two, there is a gear rod three, and the gear rod two meshes with the gear rod three. On the outer wall of each gear rod three, there is a gear rod four, and the gear rod three meshes with the gear rod four. On one side of each gear rod four, there is a slider fixedly connected, and inside each slider, there is a support column two fixedly connected. On one side of the support column two, there is an enclosing cloth fixedly connected. Inside the enclosing cloth, there is a wellhead body, and on the outer wall of the wellhead body, there is a closing assembly for closing and sealing the top of the wellhead body.

[0008] As a further description of the above technical solution:

[0009] The closing assembly includes a sealing cover which is arranged on the inner wall of the wellhead body. A bottom plate is fixedly connected to the bottom of the circular ring. On the outer wall of each gear rod one, there is a connecting block one slidably connected, and inside each connecting block one, it is slidably connected to the outer wall of the gear rod two.

[0010] As a further description of the above technical solution:

[0011] On the outer wall of each gear rod three, there is a connecting block three slidably connected, and inside each connecting block three, it is slidably connected to the outer wall of the gear rod four. On the outer wall of each gear rod two, there is a connecting block two slidably connected, and inside each connecting block two, it is slidably connected to the outer wall of the gear rod three.

[0012] As a further description of the above technical solution:

[0013] Inside each connecting block two, there is a support column one fixedly connected. The bottom of the support column one is slidably connected to the inner wall of the circular ring. The bottom of the support column two is slidably connected to the inner wall of the circular ring. A support column three is fixedly connected to the inner wall of the circular ring.

[0014] As a further description of the above technical solution:

[0015] The outer wall of the enclosing cloth is fixedly connected to one side of the support column one. One side of the enclosing cloth is fixedly connected to the outer wall of the support column three. The outer wall of the wellhead body is fixedly connected to the inside of the bottom plate.

[0016] As a further description of the above technical solution:

[0017] A support block is fixedly connected to the outer wall of the wellhead body. A rotating shaft is slidably connected inside the support block. A sealing cover is fixedly connected to the outer wall of the rotating shaft. A second fixing block is fixedly connected to the outer wall of the wellhead body;

[0018] As a further description of the above technical solution:

[0019] An electric telescopic rod is fixedly connected to the inner wall of the second fixing block. The output end of the electric telescopic rod is fixedly connected to a fourth connecting block. The outer wall of the fourth connecting block is slidably connected inside the second fixing block. A second connecting column is slidably connected inside the fourth connecting block;

[0020] As a further description of the above technical solution:

[0021] A connecting rod is rotatably connected to the outer wall of the second connecting column. A first connecting column is rotatably connected inside the connecting rod. One side of the first connecting column is fixedly connected to the outer wall of the sealing cover.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, by driving the first gear rod to rotate through the motor, the first support column inside is driven to rotate and move through the second gear rod, and the second support column inside the slider is also driven to rotate synchronously through the third gear rod and the fourth gear rod, so as to realize the contraction and expansion of the enclosure cloth, solve the problem that the maintenance structure of traditional equipment is large in volume and not convenient for transportation and storage, reduce the equipment transportation and storage costs, and enhance the portability of equipment use.

[0024] 2. In the utility model, by driving the fourth connecting block to slide through the electric telescopic rod, the connecting rod is driven to rotate through the second connecting column, and the sealing cover is driven to rotate around the rotating shaft through the first connecting column, so as to realize the closing and sealing of the top of the wellhead body, solve the problem that during the blasting process of traditional equipment inside, the noise and broken stones generated by the blasting are easy to emit from the wellhead, causing certain troubles and injuries to surrounding residents or pedestrians, and improve the safety during equipment use. Description of the Drawings

[0025] Figure 1 It is a three-dimensional schematic diagram of the circumferential enclosure structure of the shaft wellhead proposed by the utility model;

[0026] Figure 2 It is a schematic diagram of the structure of the second support column of the circumferential enclosure structure of the shaft wellhead proposed by the utility model;

[0027] Figure 3 It is a schematic diagram of the structure of the wellhead body of the circumferential enclosure structure of the shaft wellhead proposed by the utility model;

[0028] Figure 4Schematic diagram of the sealing cover structure of the circumferential enclosing structure at the shaft opening proposed by the present utility model.

[0029] Legend:

[0030] 1. Bottom plate; 2. Motor; 3. First fixing block; 4. First gear rod; 5. Second gear rod; 6. First connecting block; 7. Third gear rod; 8. Second connecting block; 9. First support column; 10. Ring; 11. Fourth gear rod; 12. Third connecting block; 13. Slide block; 14. Second support column; 15. Enclosing cloth; 16. Third support column; 17. Wellhead body; 18. Support block; 19. Rotating shaft; 20. Sealing cover; 21. Second fixing block; 22. First connecting column; 23. Connecting rod; 24. Second connecting column; 25. Fourth connecting block; 26. Electric telescopic rod. Specific implementation manner

[0031] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0032] Refer to Figure 1 and Figure 2, an embodiment provided by the utility model: a circumferential enclosing structure at the shaft wellhead, including a circular ring 10, a first fixing block 3 is fixedly connected to the outer wall of the circular ring 10, both sides inside the first fixing block 3 are slidably connected with a first gear rod 4, and the two first gear rods 4 are meshed with each other. A motor 2 is fixedly connected to the top of the first fixing block 3, and the output end of the motor 2 is fixedly connected to the outer wall of one of the first gear rods 4. A second gear rod 5 is arranged on one side of each first gear rod 4, and the first gear rod 4 and the second gear rod 5 are meshed with each other. A third gear rod 7 is arranged on one side of each second gear rod 5, and the second gear rod 5 and the third gear rod 7 are meshed with each other. A fourth gear rod 11 is arranged on the outer wall of each third gear rod 7, and the third gear rod 7 and the fourth gear rod 11 are meshed with each other. A slider 13 is fixedly connected to one side of each fourth gear rod 11, a second support column 14 is fixedly connected to the inside of each slider 13, a retaining cloth 15 is fixedly connected to one side of the second support column 14, a wellhead body 17 is arranged on the inner wall of the retaining cloth 15, a closing assembly is arranged on the outer wall of the wellhead body 17, and the closing assembly is used for closing and sealing the top of the wellhead body 17. The closing assembly includes a sealing cover 20, the sealing cover 20 is arranged on the inner wall of the wellhead body 17, a bottom plate 1 is fixedly connected to the bottom of the circular ring 10, a first connecting block 6 is slidably connected to the outer wall of each first gear rod 4, and the inside of the first connecting block 6 is slidably connected to the outer wall of the second gear rod 5. A third connecting block 12 is slidably connected to the outer wall of each third gear rod 7, and the inside of the third connecting block 12 is slidably connected to the outer wall of the fourth gear rod 11. A second connecting block 8 is slidably connected to the outer wall of each second gear rod 5, and the inside of the second connecting block 8 is slidably connected to the outer wall of the third gear rod 7. A first support column 9 is fixedly connected to the inside of each second connecting block 8, the bottom of the first support column 9 is slidably connected to the inner wall of the circular ring 10, the bottom of the second support column 14 is slidably connected to the inner wall of the circular ring 10, a third support column 16 is fixedly connected to the inner wall of the circular ring 10, the outer wall of the retaining cloth 15 is fixedly connected to one side of the first support column 9, one side of the retaining cloth 15 is fixedly connected to the outer wall of the third support column 16, and the outer wall of the wellhead body 17 is fixedly connected to the inside of the bottom plate 1.

[0033] Specifically, during the enclosure process of the shaft wellhead, first place the ring 10 and the first fixed block 3 on the top of the bottom plate 1. Next, start the motor 2, and drive the first gear rod 4 on one side to rotate by means of the driving force at the output end of the motor 2. When the first gear rod 4 on one side starts to rotate, it will drive the first gear rod 4 on the other side to rotate synchronously in the opposite direction. The rotation of the first gear rods 4 on both sides will, in turn, drive the second gear rod 5 to rotate synchronously. Utilize the rotation of the second gear rod 5 to drive the first support column 9 inside the connecting block 2 to slide on the inner wall of the ring 10. At the same time as the second gear rod 5 rotates, it will also drive the third gear rod 7 to rotate synchronously. Furthermore, drive the second support column 14 inside the slider 13 to slide on the inner wall of the ring 10 through the fourth gear rod 11. Through the sliding of the second support column 14 and the first support column 9 on the inner wall of the ring 10, the operation of retracting and unfolding the enclosure cloth 15 can be realized. In this way, the transportation of the entire device and subsequent storage are facilitated, the problem that the maintenance structure of traditional devices is relatively large and not convenient for transportation and storage is solved, the transportation and storage costs of the device are reduced, and the portability of the device during use is enhanced.

[0034] Refer to Figure 3 and Figure 4 As shown in and

[0034] , on the outer wall of the wellhead body 17, a support block 18 is fixedly connected. Inside the support block 18, a rotating shaft 19 is slidably connected. On the outer wall of the rotating shaft 19, a sealing cover 20 is fixedly connected. On the outer wall of the wellhead body 17, a second fixed block 21 is fixedly connected. Inside the inner wall of the second fixed block 21, an electric telescopic rod 26 is fixedly connected. At the output end of the electric telescopic rod 26, a fourth connecting block 25 is fixedly connected. The outer wall of the fourth connecting block 25 is slidably connected inside the second fixed block 21. Inside the fourth connecting block 25, a second connecting column 24 is slidably connected. On the outer wall of the second connecting column 24, a connecting rod 23 is rotatably connected. Inside the connecting rod 23, a first connecting column 22 is rotatably connected. One side of the first connecting column 22 is fixedly connected to the outer wall of the sealing cover 20.

[0035] Specifically, during the closing process of the shaft wellhead, start the electric telescopic rod 26, and drive the fourth connecting block 25 to slide inside the second fixed block 21 by means of the driving force at the output end of the electric telescopic rod 26. At the same moment when the fourth connecting block 25 slides, it will drive the connecting rod 23 to rotate through the second connecting column 24. Thus, the sealing cover 20 is caused to rotate around the rotating shaft 19 through the first connecting column 22, and finally the top of the wellhead body 17 is hermetically sealed, preventing the huge noise generated during the blasting process and the flying stones from spreading outwards from the wellhead, causing certain troubles and injuries to the surrounding residents or pedestrians, and improving the safety during the use of the device.

[0036] Working principle: During the enclosure process of the shaft wellhead, place the ring 10 and the first fixed block 3 on the top of the bottom plate 1. Start the motor 2, and use the output end of the motor 2 to drive the first gear rod 4 on one side to rotate. The rotation of the first gear rod 4 on one side will drive the first gear rod 4 on the other side to rotate synchronously in the reverse direction. The rotation of the first gear rods 4 on both sides will synchronously drive the second gear rod 5 to rotate. Use the rotation of the second gear rod 5 to drive the first support column 9 inside the connecting block 2 to slide on the inner wall of the ring 10. When the second gear rod 5 rotates, it will drive the third gear rod 7 to rotate synchronously. Thus, drive the second support column 14 inside the slider 13 to slide on the inner wall of the ring 10 through the fourth gear rod 11. Use the sliding of the second support column 14 and the first support column 9 on the inner wall of the ring 10 to realize the retraction and deployment of the enclosure cloth 15, so as to facilitate the transportation and use of the equipment. During the closing process of the shaft wellhead, start the electric telescopic rod 26, and use the output end of the electric telescopic rod 26 to drive the fourth connecting block 25 to slide inside the second fixed block 21. When the fourth connecting block 25 slides, it will drive the connecting rod 23 to rotate through the second connecting column 24, and drive the sealing cover 20 to rotate around the rotating shaft 19 through the first connecting column 22, so as to realize the closing and sealing of the top of the wellhead body 17, and prevent the noise and flying stones generated during the blasting process from emitting from the wellhead.

[0037] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. The circumferential enclosing structure at the shaft wellhead, including a circular ring (10), is characterized in that: On the outer wall of the ring (10), a first fixing block (3) is fixedly connected. On both sides inside the first fixing block (3), a first gear rod (4) is slidably connected. The two first gear rods (4) are meshed with each other. On the top of the first fixing block (3), a motor (2) is fixedly connected. The output end of the motor (2) is fixedly connected to the outer wall of one of the first gear rods (4). On one side of each first gear rod (4), a second gear rod (5) is provided. The first gear rod (4) and the second gear rod (5) are meshed with each other. On one side of each second gear rod (5), a third gear rod (7) is provided. The second gear rod (5) and the third gear rod (7) are meshed with each other. On the outer wall of each third gear rod (7), a fourth gear rod (11) is provided. The third gear rod (7) and the fourth gear rod (11) are meshed with each other. On one side of each fourth gear rod (11), a slider (13) is fixedly connected. Inside each slider (13), a second support column (14) is fixedly connected. On one side of the second support column (14), a protective cloth (15) is fixedly connected. Inside the protective cloth (15), a wellhead body (17) is provided. On the outer wall of the wellhead body (17), a closing assembly is provided, and the closing assembly is used for closing and sealing the top of the wellhead body (17).

2. The circumferential enclosing structure at the shaft wellhead according to claim 1, wherein: The closing assembly includes a sealing cover (20). The sealing cover (20) is arranged on the inner wall of the wellhead body (17). At the bottom of the ring (10), a bottom plate (1) is fixedly connected. On the outer wall of each first gear rod (4), a first connecting block (6) is slidably connected. Inside each first connecting block (6), it is slidably connected to the outer wall of the second gear rod (5).

3. The circumferential enclosing structure at the shaft wellhead according to claim 2, characterized in that: On the outer wall of each third gear rod (7), a third connecting block (12) is slidably connected. Inside each third connecting block (12), it is slidably connected to the outer wall of the fourth gear rod (11). On the outer wall of each second gear rod (5), a second connecting block (8) is slidably connected. Inside each second connecting block (8), it is slidably connected to the outer wall of the third gear rod (7).

4. The circumferential enclosing structure at the shaft wellhead according to claim 3, wherein: Inside each second connecting block (8), a first support column (9) is fixedly connected. The bottom of the first support column (9) is slidably connected to the inner wall of the ring (10). The bottom of the second support column (14) is slidably connected to the inner wall of the ring (10). On the inner wall of the ring (10), a third support column (16) is fixedly connected.

5. The circumferential enclosing structure at the shaft opening according to claim 4, characterized in that: The outer wall of the protective cloth (15) is fixedly connected to one side of the first support column (9). One side of the protective cloth (15) is fixedly connected to the outer wall of the third support column (16). The outer wall of the wellhead body (17) is fixedly connected to the inside of the bottom plate (1).

6. The circumferential enclosing structure at the shaft wellhead according to claim 5, characterized in that: On the outer wall of the wellhead body (17), a support block (18) is fixedly connected. Inside the support block (18), a rotating shaft (19) is slidably connected. On the outer wall of the rotating shaft (19), a sealing cover (20) is fixedly connected. On the outer wall of the wellhead body (17), a second fixing block (21) is fixedly connected.

7. The circumferential enclosing structure at the shaft wellhead according to claim 6, wherein: The inner wall of the second fixed block (21) is fixedly connected with an electric telescopic rod (26), the output end of the electric telescopic rod (26) is fixedly connected with a fourth connecting block (25), the outer wall of the fourth connecting block (25) is slidably connected inside the second fixed block (21), and a second connecting column (24) is slidably connected inside the fourth connecting block (25).

8. The circumferential enclosure structure at the shaft head according to claim 7, characterized in that: A connecting rod (23) is rotatably connected to the outer wall of the second connecting column (24), a first connecting column (22) is rotatably connected inside the connecting rod (23), and one side of the first connecting column (22) is fixedly connected to the outer wall of the sealing cover (20).

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