Inspection well

Abstract

The utility model provides an inspection well, which belongs to the technical field of water conservancy pipelines and comprises a well body, a well cover, a fan and a driving mechanism. The top of the well body is provided with a wellhead and ventilation openings. The well lid is connected to the well mouth through a hinge shaft. The fan is connected to the ventilation opening; and the driving mechanism is connected with the fan, and the driving mechanism is connected with the hinge shaft. According to the inspection well, when the well lid is opened, power is provided for the fan through the driving mechanism, so that the fan is driven to rotate, air in the well body is exhausted through the ventilation opening, and external air enters the well body from the well opening for ventilation. In the process, ventilation equipment does not need to be used for ventilation when the well lid is completely opened, time is saved, and the working efficiency of workers is improved. And meanwhile, hinge shaft rotation generated in the well lid opening process serves as power to drive the fan to rotate, additional energy does not need to be arranged, and the structure is simplified.

Description

Technical Field

[0001] This utility model belongs to the technical field of water conservancy pipelines, and more specifically, it relates to an inspection well. Background Technology

[0002] With urban development, many water supply, sewage, flood control and drainage pipelines, as well as some underground pipelines in irrigation areas, use large-diameter non-pressurized concrete pipes. In actual use, due to the blockage of sewage and floodwater garbage, as well as the accumulation of silt in water supply pipelines, cleaning of garbage and silt over long distances is difficult, reducing the efficiency of pipeline use.

[0003] Existing inspection wells are typically sealed for an extended period before use. The air inside remains stagnant and poorly ventilated for extended periods. Direct entry by personnel poses a certain risk; therefore, ventilation is usually required after the inspection well is opened, reducing personnel efficiency. Utility Model Content

[0004] The purpose of this invention is to provide an inspection well that solves the problem that existing inspection wells require a period of ventilation after being opened.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is: to provide an inspection well, comprising:

[0006] The well body has a wellhead and a ventilation opening at the top;

[0007] The manhole cover is connected to the manhole opening via a hinge shaft;

[0008] A fan is connected to the vent; and

[0009] A drive mechanism is connected to the fan, and the drive mechanism is connected to the hinge shaft.

[0010] In one possible implementation, a rotating shaft is provided on the inner wall of the well body, the fan is connected to the rotating shaft, and the drive mechanism is connected to the rotating shaft.

[0011] In one possible implementation, the drive mechanism includes:

[0012] The first transmission component is connected to the hinge shaft;

[0013] A second transmission assembly is connected to the rotating shaft; and

[0014] A drive shaft connects the first transmission assembly and the second transmission assembly.

[0015] In one possible implementation, the first transmission component includes:

[0016] A first bevel gear is connected to the hinge shaft; and

[0017] The second bevel gear is connected to the drive shaft, and the first bevel gear and the second bevel gear mesh.

[0018] In one possible implementation, the second transmission component includes:

[0019] The drive gear is connected to the drive shaft; and

[0020] The driven gear is connected to the rotating shaft; the driving gear meshes with the driven gear.

[0021] In one possible implementation, the diameter of the driving gear is larger than that of the driven gear.

[0022] In one possible implementation, the rotating shaft is arranged parallel to the drive shaft, and the rotating shaft and the drive shaft are connected to the side wall of the well body via a mounting base.

[0023] In one possible implementation, a one-way transmission assembly is provided between the rotating shaft and the driven gear, so that the driven gear drives the rotating shaft to rotate.

[0024] In one possible implementation, the unidirectional transmission assembly includes:

[0025] A ratchet tooth is connected to the inner wall of the central through hole of the driven gear; and

[0026] A pawl is attached to the side of the rotating shaft, and the pawl is adapted to the ratchet tooth.

[0027] In one possible implementation, an energy storage wheel is provided on the shaft.

[0028] The beneficial effects of the inspection well provided by this utility model are as follows: Compared with the prior art, when the manhole cover is opened, the manhole of this utility model provides power to the fan through the drive mechanism, thereby driving the fan to rotate and expelling the air inside the manhole through the ventilation port, while outside air enters the manhole through the opening for ventilation. This process eliminates the need for ventilation equipment when the manhole cover is fully open, saving time and improving the work efficiency of the staff. Furthermore, the rotation of the hinge shaft generated during the opening of the manhole cover serves as the power to drive the fan, eliminating the need for additional energy sources and simplifying the structure. Attached Figure Description

[0029] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0030] Figure 1 A schematic diagram of the structure of the inspection well provided in an embodiment of this utility model;

[0031] Figure 2 A schematic diagram of the drive mechanism provided in an embodiment of this utility model;

[0032] Figure 3 This is a schematic diagram of the structure of a unidirectional transmission assembly provided in an embodiment of the present invention.

[0033] Explanation of reference numerals in the attached figures:

[0034] 1. Well body; 11. Wellhead; 12. Ventilation opening; 2. Well cover; 21. Hinge shaft; 3. Fan; 31. Rotating shaft; 4. Drive mechanism; 41. First transmission assembly; 411. First bevel gear; 412. Second bevel gear; 42. Second transmission assembly; 421. Driving gear; 422. Driven gear; 43. Transmission shaft; 5. One-way transmission assembly; 51. Racket; 52. Pawl; 6. Energy storage wheel. Detailed Implementation

[0035] To make the technical problems, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0036] Reference Figure 1 and Figure 3 The inspection well provided by this utility model will now be described.

[0037] Example 1

[0038] The inspection well provided in this embodiment includes a well body 1, a well cover 2, a fan 3, and a drive mechanism 4. A well opening 11 and a ventilation opening 12 are provided at the top of the well body 1. The well cover 2 is hinged to the well opening 11 via a hinge shaft 21. The hinge shaft 21 is rotatably connected to the inner wall of the well opening 11 and fixedly connected to the well cover 2. During the opening and closing process, the well cover 2 drives the hinge shaft 21 to rotate together. The fan 3 is located at the ventilation opening 12. The input end of the drive mechanism 4 is connected to the hinge shaft 21, and the output end is connected to the fan 3.

[0039] Compared with the prior art, the inspection well provided by this utility model, when the manhole cover 2 is opened by the worker, drives the hinge shaft 21 to rotate. The rotation of the hinge shaft 21 transmits power to the output end through the input end of the drive mechanism 4, driving the fan 3 to rotate. When the fan 3 rotates, the air inside the inspection well is blown out through the vent 12, and outside air enters the inspection well through the gap between the manhole cover 2 and the opening 11. The fan 3 starts rotating simultaneously with the opening of the manhole cover 2, initiating ventilation in the inspection well. This eliminates the need for ventilation equipment when the manhole cover 2 is fully open, saving time and improving worker efficiency. Furthermore, utilizing the rotation of the hinge shaft 21 generated during the opening of the manhole cover 2 as power to drive the fan 3 eliminates the need for additional energy sources, simplifying the structure.

[0040] The inner diameter of the well body 1 is larger than the diameter of the well opening 11, and the axis of the well opening 11 does not coincide with the axis of the well opening 12. The fan 3 and the drive mechanism 4 are both located below the vent 12.

[0041] Optionally, a rotating shaft 31 is provided on the inner wall of the well body 1, and the fan 3 is connected to the rotating shaft 31. The output end of the drive unit is connected to the rotating shaft 31. The drive unit drives the rotating shaft 31 to rotate through the output end, thereby driving the fan 3 to rotate.

[0042] Optionally, the drive mechanism includes a first transmission assembly 41, a second transmission assembly 42, and a drive shaft 43. The first transmission assembly 41 is connected to the hinge shaft 21, and the second transmission assembly 42 is connected to the rotating shaft 31. The first transmission assembly 41 and the second transmission assembly 42 are connected via the drive shaft 43. After receiving power from the hinge shaft 21, the first transmission assembly 41 transmits it to the second transmission assembly 42 via the drive shaft 43. The second transmission assembly 42 then transmits the power to the rotating shaft 31, which drives the fan 3 to rotate.

[0043] Optionally, the hinge shaft 21 is horizontally arranged, while the transmission shaft 43 and the rotating shaft 31 are vertically arranged. The first transmission assembly 41 includes a first bevel gear 411 and a second bevel gear 412. The first bevel gear 411 is fixed to the hinge shaft 21, and the second bevel gear 412 is fixed to the transmission shaft 43. The first bevel gear 411 and the second bevel gear 412 mesh. When the hinge shaft 21 rotates, it drives the first bevel gear 411 to rotate, and the first bevel gear 411 drives the transmission shaft 43 to rotate via the second bevel gear 412.

[0044] Optionally, the second transmission assembly 42 includes a driving gear 421 and a driven gear 422. The driving gear 421 is fixed on the transmission shaft 43, and the driven gear 422 is disposed on the rotating shaft 31. The driving gear 421 and the driven gear 422 mesh, and the diameter of the driving gear 421 is larger than the diameter of the driven gear 422.

[0045] Optionally, the rotating shaft 31 and the drive shaft 43 are connected to the side wall of the well body 1 by two sets of mounting seats respectively.

[0046] When the drive shaft 43 rotates, it drives the drive gear 421 to rotate. The drive gear 421 drives the rotating shaft 31 to rotate via the driven gear 422, thereby driving the fan 3 to rotate. When the worker opens the manhole cover 2, the manhole cover 2 drives the hinge shaft 21 to rotate. The hinge shaft 21 drives the drive shaft 43 to rotate via the first bevel gear 411 and the second bevel gear 412. The drive shaft 43 drives the rotating shaft 31 to rotate via the drive gear 421 and the driven gear 422. When the rotating shaft 31 rotates, it drives the fan 3 to rotate as well. Since the diameter of the drive gear 421 is larger than the diameter of the driven gear 422, the rotational speed of the driven gear 422 will be higher than the rotational speed of the drive gear 421. Therefore, when the worker opens the manhole cover 2 at a lower speed, the hinge shaft 21 drives the rotating shaft 31 to rotate at a higher speed at a lower speed, thereby driving the fan 3 to rotate at high speed, thus blowing the closed air in the inspection well out through the vent 12, allowing outside air to enter the inspection well through the manhole opening 11.

[0047] Example 2

[0048] The inspection well provided in this embodiment includes a well body 1, a well cover 2, a fan 3, and a drive mechanism 4. A well opening 11 and a ventilation opening 12 are provided at the top of the well body 1. The well cover 2 is hinged to the well opening 11 via a hinge shaft 21. The hinge shaft 21 is rotatably connected to the inner wall of the well opening 11 and fixedly connected to the well cover 2. During the opening and closing process, the well cover 2 drives the hinge shaft 21 to rotate together. The fan 3 is located at the ventilation opening 12. The input end of the drive mechanism 4 is connected to the hinge shaft 21, and the output end is connected to the fan 3.

[0049] Compared with the prior art, the inspection well provided by this utility model, when the manhole cover 2 is opened by the worker, drives the hinge shaft 21 to rotate. The rotation of the hinge shaft 21 transmits power to the output end through the input end of the drive mechanism 4, driving the fan 3 to rotate. When the fan 3 rotates, the air inside the inspection well is blown out through the vent 12, and outside air enters the inspection well through the gap between the manhole cover 2 and the opening 11. The fan 3 starts rotating simultaneously with the opening of the manhole cover 2, initiating ventilation in the inspection well. This eliminates the need for ventilation equipment when the manhole cover 2 is fully open, saving time and improving worker efficiency. Furthermore, utilizing the rotation of the hinge shaft 21 generated during the opening of the manhole cover 2 as power to drive the fan 3 eliminates the need for additional energy sources, simplifying the structure.

[0050] The inner diameter of the well body 1 is larger than the diameter of the well opening 11, and the axis of the well opening 11 does not coincide with the axis of the well opening 12. The fan 3 and the drive mechanism 4 are both located below the vent 12.

[0051] Optionally, a rotating shaft 31 is provided on the inner wall of the well body 1, and the fan 3 is connected to the rotating shaft 31. The output end of the drive unit is connected to the rotating shaft 31. The drive unit drives the rotating shaft 31 to rotate through the output end, thereby driving the fan 3 to rotate.

[0052] Optionally, the drive mechanism includes a first transmission assembly 41, a second transmission assembly 42, and a drive shaft 43. The first transmission assembly 41 is connected to the hinge shaft 21, and the second transmission assembly 42 is connected to the rotating shaft 31. The first transmission assembly 41 and the second transmission assembly 42 are connected via the drive shaft 43. After receiving power from the hinge shaft 21, the first transmission assembly 41 transmits it to the second transmission assembly 42 via the drive shaft 43. The second transmission assembly 42 then transmits the power to the rotating shaft 31, which drives the fan 3 to rotate.

[0053] Optionally, the hinge shaft 21 is horizontally arranged, while the transmission shaft 43 and the rotating shaft 31 are vertically arranged. The first transmission assembly 41 includes a first bevel gear 411 and a second bevel gear 412. The first bevel gear 411 is fixed to the hinge shaft 21, and the second bevel gear 412 is fixed to the transmission shaft 43. The first bevel gear 411 and the second bevel gear 412 mesh. When the hinge shaft 21 rotates, it drives the first bevel gear 411 to rotate, and the first bevel gear 411 drives the transmission shaft 43 to rotate via the second bevel gear 412.

[0054] Optionally, the second transmission assembly 42 includes a driving gear 421 and a driven gear 422. The driving gear 421 is fixed on the transmission shaft 43, and the driven gear 422 is disposed on the rotating shaft 31. The driving gear 421 and the driven gear 422 mesh, and the diameter of the driving gear 421 is larger than the diameter of the driven gear 422.

[0055] Optionally, the rotating shaft 31 and the drive shaft 43 are connected to the side wall of the well body 1 by two sets of mounting seats respectively.

[0056] When the drive shaft 43 rotates, it drives the drive gear 421 to rotate. The drive gear 421 drives the rotating shaft 31 to rotate via the driven gear 422, thereby driving the fan 3 to rotate. When the worker opens the manhole cover 2, the manhole cover 2 drives the hinge shaft 21 to rotate. The hinge shaft 21 drives the drive shaft 43 to rotate via the first bevel gear 411 and the second bevel gear 412. The drive shaft 43 drives the rotating shaft 31 to rotate via the drive gear 421 and the driven gear 422. When the rotating shaft 31 rotates, it drives the fan 3 to rotate as well. Since the diameter of the drive gear 421 is larger than the diameter of the driven gear 422, the rotational speed of the driven gear 422 will be higher than the rotational speed of the drive gear 421. Therefore, when the worker opens the manhole cover 2 at a lower speed, the hinge shaft 21 drives the rotating shaft 31 to rotate at a higher speed at a lower speed, thereby driving the fan 3 to rotate at high speed, thus blowing the closed air in the inspection well out through the vent 12, allowing outside air to enter the inspection well through the manhole opening 11.

[0057] Optionally, a one-way transmission component 5 is provided between the rotating shaft 31 and the driven gear 422. The one-way transmission component 5 ensures that the driven gear 422 can only drive the rotating shaft 31 to rotate in one direction, cannot drive the rotating shaft 31 to rotate in the opposite direction, and the rotating shaft 31 cannot drive the driven gear 422 to rotate.

[0058] Optionally, the one-way transmission assembly 5 includes a ratchet 51 and a pawl 52 adapted to the ratchet 51. The ratchet 51 is arranged around the inner wall of the central through hole of the driven gear 422, and the pawl 52 is arranged along the side of the rotating shaft 31. During the opening of the manhole cover 2, the hinge shaft 21 drives the transmission shaft 43 to rotate at a lower speed through the first bevel gear 411 and the second bevel gear 412. The transmission shaft 43 drives the driven gear 422 to rotate at a higher speed through the driving gear 421. The driven gear 422 drives the rotating shaft 31 to rotate through the meshing of the pawl 52 and the ratchet 51, thereby driving the fan 3 to rotate. After the manhole cover 2 is opened, the hinge shaft 21 stops rotating, and at the same time, the transmission shaft 43, the driving gear 421, and the driven gear 422 stop rotating. The rotating shaft 31 and the fan 3 continue to rotate under the action of inertia. As the rotating shaft 31 and the fan 3 continue to rotate under the action of inertia, the pawl 52 disengages from the ratchet 51.

[0059] Example 3

[0060] The inspection well provided in this embodiment includes: a well body 1, a well cover 2, a fan 3, and a drive mechanism 4. A well opening 11 and a ventilation opening 12 are provided at the top of the well body 1. The well cover 2 is hinged to the well opening 11 via a hinge shaft 21. The hinge shaft 21 is rotatably connected to the inner wall of the well opening 11 and fixedly connected to the well cover 2. During the opening and closing process, the well cover 2 drives the hinge shaft 21 to rotate together. The fan 3 is located at the ventilation opening 12. The input end of the drive mechanism 4 is connected to the hinge shaft 21, and the output end is connected to the fan 3.

[0061] Compared with the prior art, the inspection well provided by this utility model, when the manhole cover 2 is opened by the worker, drives the hinge shaft 21 to rotate. The rotation of the hinge shaft 21 transmits power to the output end through the input end of the drive mechanism 4, driving the fan 3 to rotate. When the fan 3 rotates, the air inside the inspection well is blown out through the vent 12, and outside air enters the inspection well through the gap between the manhole cover 2 and the opening 11. The fan 3 starts rotating simultaneously with the opening of the manhole cover 2, initiating ventilation in the inspection well. This eliminates the need for ventilation equipment when the manhole cover 2 is fully open, saving time and improving worker efficiency. Furthermore, utilizing the rotation of the hinge shaft 21 generated during the opening of the manhole cover 2 as power to drive the fan 3 eliminates the need for additional energy sources, simplifying the structure.

[0062] The inner diameter of the well body 1 is larger than the diameter of the well opening 11, and the axis of the well opening 11 does not coincide with the axis of the well opening 12. The fan 3 and the drive mechanism 4 are both located below the vent 12.

[0063] Optionally, a rotating shaft 31 is provided on the inner wall of the well body 1, and the fan 3 is connected to the rotating shaft 31. The output end of the drive unit is connected to the rotating shaft 31. The drive unit drives the rotating shaft 31 to rotate through the output end, thereby driving the fan 3 to rotate.

[0064] Optionally, the drive mechanism includes a first transmission assembly 41, a second transmission assembly 42, and a drive shaft 43. The first transmission assembly 41 is connected to the hinge shaft 21, and the second transmission assembly 42 is connected to the rotating shaft 31. The first transmission assembly 41 and the second transmission assembly 42 are connected via the drive shaft 43. After receiving power from the hinge shaft 21, the first transmission assembly 41 transmits it to the second transmission assembly 42 via the drive shaft 43. The second transmission assembly 42 then transmits the power to the rotating shaft 31, which drives the fan 3 to rotate.

[0065] Optionally, the hinge shaft 21 is horizontally arranged, while the transmission shaft 43 and the rotating shaft 31 are vertically arranged. The first transmission assembly 41 includes a first bevel gear 411 and a second bevel gear 412. The first bevel gear 411 is fixed to the hinge shaft 21, and the second bevel gear 412 is fixed to the transmission shaft 43. The first bevel gear 411 and the second bevel gear 412 mesh. When the hinge shaft 21 rotates, it drives the first bevel gear 411 to rotate, and the first bevel gear 411 drives the transmission shaft 43 to rotate via the second bevel gear 412.

[0066] Optionally, the second transmission assembly 42 includes a driving gear 421 and a driven gear 422. The driving gear 421 is fixed on the transmission shaft 43, and the driven gear 422 is disposed on the rotating shaft 31. The driving gear 421 and the driven gear 422 mesh, and the diameter of the driving gear 421 is larger than the diameter of the driven gear 422.

[0067] Optionally, the rotating shaft 31 and the drive shaft 43 are connected to the side wall of the well body 1 by two sets of mounting seats respectively.

[0068] When the drive shaft 43 rotates, it drives the drive gear 421 to rotate. The drive gear 421 drives the rotating shaft 31 to rotate via the driven gear 422, thereby driving the fan 3 to rotate. When the worker opens the manhole cover 2, the manhole cover 2 drives the hinge shaft 21 to rotate. The hinge shaft 21 drives the drive shaft 43 to rotate via the first bevel gear 411 and the second bevel gear 412. The drive shaft 43 drives the rotating shaft 31 to rotate via the drive gear 421 and the driven gear 422. When the rotating shaft 31 rotates, it drives the fan 3 to rotate as well. Since the diameter of the drive gear 421 is larger than the diameter of the driven gear 422, the rotational speed of the driven gear 422 will be higher than the rotational speed of the drive gear 421. Therefore, when the worker opens the manhole cover 2 at a lower speed, the hinge shaft 21 drives the rotating shaft 31 to rotate at a higher speed at a lower speed, thereby driving the fan 3 to rotate at high speed, thus blowing the closed air in the inspection well out through the vent 12, allowing outside air to enter the inspection well through the manhole opening 11.

[0069] Optionally, a one-way transmission component 5 is provided between the rotating shaft 31 and the driven gear 422. The one-way transmission component 5 ensures that the driven gear 422 can only drive the rotating shaft 31 to rotate in one direction, cannot drive the rotating shaft 31 to rotate in the opposite direction, and the rotating shaft 31 cannot drive the driven gear 422 to rotate.

[0070] Optionally, the one-way transmission assembly 5 includes a ratchet 51 and a pawl 52 adapted to the ratchet 51. The ratchet 51 is arranged around the inner wall of the central through hole of the driven gear 422, and the pawl 52 is arranged along the side of the rotating shaft 31. During the opening of the manhole cover 2, the hinge shaft 21 drives the transmission shaft 43 to rotate at a lower speed through the first bevel gear 411 and the second bevel gear 412. The transmission shaft 43 drives the driven gear 422 to rotate at a higher speed through the driving gear 421. The driven gear 422 drives the rotating shaft 31 to rotate through the meshing of the pawl 52 and the ratchet 51, thereby driving the fan 3 to rotate. After the manhole cover 2 is opened, the hinge shaft 21 stops rotating, and at the same time, the transmission shaft 43, the driving gear 421, and the driven gear 422 stop rotating. The rotating shaft 31 and the fan 3 continue to rotate under the action of inertia. As the rotating shaft 31 and the fan 3 continue to rotate under the action of inertia, the pawl 52 disengages from the ratchet 51.

[0071] Optionally, an energy storage wheel 6 is provided on the rotating shaft 31. When the manhole cover 2 is opened, the power transmitted from the hinge shaft 21 to the rotating shaft 31 drives the energy storage wheel 6 to rotate together with the rotating shaft 31. During this process, the energy storage wheel 6 changes from a stationary state to a rotating state and stores a portion of energy by rotating. When the manhole cover 2 stops rotating, the energy storage wheel 6 drives the rotating shaft 31 to rotate through inertia, thereby driving the fan 3 to continue running for a period of time.

[0072] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A manhole, characterized in that The utility model relates to a well cover, which comprises: a well body (1) provided with a well mouth (11) and a ventilation opening (12) at the top; a well cover (2) connected to the well mouth (11) through a hinged shaft (21); a fan (3) connected to the ventilation opening (12); and a driving mechanism (4) connected to the fan (3), wherein the driving mechanism (4) is connected to the hinged shaft (21).

2. The inspection well of claim 1, wherein, A rotating shaft (31) is arranged on the inner wall of the well body (1), the fan (3) is connected to the rotating shaft (31), and the driving mechanism (4) is connected to the rotating shaft (31).

3. The inspection well of claim 2, wherein, The driving mechanism (4) comprises: a first transmission assembly (41) connected to the hinged shaft (21); a second transmission assembly (42) connected to the rotating shaft (31); and a transmission shaft (43) connecting the first transmission assembly (41) and the second transmission assembly (42).

4. The inspection well of claim 3, wherein, The first transmission assembly (41) comprises: a first bevel gear (411) connected to the hinged shaft (21); and a second bevel gear (412) connected to the transmission shaft (43), wherein the first bevel gear (411) and the second bevel gear (412) are engaged.

5. The inspection well of claim 3, wherein, The second transmission assembly (42) comprises: a driving gear (421) connected to the transmission shaft (43); and a driven gear (422) connected to the rotating shaft (31), wherein the driving gear (421) and the driven gear (422) are engaged.

6. The inspection well of claim 5, wherein, The diameter of the driving gear (421) is greater than that of the driven gear (422).

7. The inspection chamber of claim 3, wherein, The rotating shaft (31) and the transmission shaft (43) are arranged in parallel, and the rotating shaft (31) and the transmission shaft (43) are connected to the side wall of the well body (1) through a mounting base.

8. The inspection chamber of claim 5, wherein, A one-way transmission assembly (5) is arranged between the rotating shaft (31) and the driven gear (422) so that the driven gear (422) drives the rotating shaft (31) to rotate.

9. The inspection chamber of claim 8, wherein, The one-way transmission assembly (5) comprises: a ratchet (51) connected to the inner wall of the central through hole of the driven gear (422); and a pawl (52) connected to the side surface of the rotating shaft (31), wherein the pawl (52) is adapted to the ratchet (51).

10. The inspection well of claim 8, wherein, An energy storage wheel (6) is arranged on the rotating shaft (31).

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