Electric power pipe gallery inspection well

Abstract

The utility model discloses an electric power pipe gallery inspection well which comprises a pipe gallery inspection section and an inspection well seat fixedly arranged at the top end of the pipe gallery inspection section, a circular well mouth extending into the pipe gallery inspection section is fixedly arranged in the middle of the top end of the inspection well seat, and an annular groove is formed in the periphery of the top end of the inspection well seat. According to the electric power pipe gallery inspection well, the annular overhaul fence assembly is additionally arranged on the well base and is driven by the driving mechanism, the inspection well can be driven by the driving mechanism, the inspection well can be conveniently maintained, and the inspection well is convenient to maintain. When a constructor enters the inspection well, the overhauling fence assembly can be automatically lifted, so that the well mouth of the inspection well is isolated, the construction safety is improved, after construction is finished, the overhauling fence assembly is automatically hidden and stored on the well base, normal passing is not affected, the working efficiency of electric power pipe gallery overhauling is improved, and more labor is saved, convenience is achieved, and safety and reliability are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of power pipeline gallery inspection, in particular to a power pipeline gallery inspection well. Background Art

[0002] The power corridor inspection well is a basic facility that facilitates power construction personnel to enter the underground power corridor. Currently, the common power corridor inspection wells are mainly frame structures made of concrete, with a wellhead structure on the top and a ladder inside the wellhead. When construction personnel need to enter the power corridor inspection well for power maintenance, they can enter the corridor from the wellhead structure. For example, a centralized corridor-type buried pipe inspection well with application number CN202223245767.X includes an inspection well body, the inner wall of the inspection well body is provided with a plurality of array-distributed water distributors, the bottom end of the inner wall of the inspection well body is provided with a plurality of water collectors, the bottom end of the inspection well body is provided with a sump, and a manhole is provided at the top of the inspection well body, and the bottom end of the manhole is connected to a fixed pipe; the above common types of power corridor inspection wells have the following shortcomings in actual applications:

[0003] Before construction workers lift the manhole cover and enter the tunnel inspection well, in order to improve construction safety, they will use fences to isolate the wellhead of the manhole to remind pedestrians of the tunnel construction. The fence structure needs to be disassembled and assembled during use, which affects the construction efficiency of the power tunnel and is inconvenient to carry. Utility Model Content

[0004] The utility model aims to provide an inspection shaft for an electric power pipeline gallery, so as to solve the problem in the above-mentioned background technology that the inspection shaft for an electric power pipeline gallery does not have a construction isolation fence structure.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electric power pipeline corridor inspection well, comprising a pipeline corridor inspection section and an inspection well seat fixedly arranged at the top of the pipeline corridor inspection section, a circular wellhead extending to the inside of the pipeline corridor inspection section is fixedly arranged in the middle of the top of the inspection well seat, an annular groove is opened on the periphery of the top of the inspection well seat, and transmission screws are rotatably arranged on the four corners of the inner wall of the annular groove, and an inspection fence assembly for isolating the circular wellhead during maintenance is arranged between the four transmission screws, a driving mechanism for driving the transmission screw to move is fixedly installed at the bottom of the inner wall of the annular groove, and an anti-fall manhole cover is clamped on the top of the circular wellhead.

[0006] Preferably, the maintenance fence assembly includes four lifting poles and a screw slider fixedly arranged at the bottom end of the lifting poles, the four screw sliders are respectively transmission-arranged on four transmission screws, a warning fence is fixedly arranged between two adjacent lifting poles, a warning placard is fixedly arranged in the middle of the warning fence, and the lifting poles are slidingly arranged on the inner side of the annular groove.

[0007] Preferably, a top sealing ring is fixedly provided at the top end between the four lifting uprights, a sealing groove is provided at the top end of the annular groove, and the top sealing ring matches the sealing groove; the concealing effect is high and the failure rate of the fence assembly is low.

[0008] Preferably, the driving mechanism includes a gear plate fixedly arranged at the bottom end of the transmission screw, and a chain is connected between the four gear plates for transmission. A reduction motor is fixedly installed at the top of the inner wall of the corridor inspection section, and the output end of the reduction motor is fixedly arranged on one of the gear plates; the transmission is smooth and stable.

[0009] Preferably, a switch plate is fixedly mounted on the inner wall of the pipe gallery inspection section, a lifting switch is fixedly mounted on the surface of the switch plate, and the reduction motor is electrically connected to an external power supply via the lifting switch.

[0010] Preferably, a maintenance ladder is fixedly provided on the inner wall of the circular wellhead to facilitate climbing by maintenance personnel.

[0011] Preferably, a gallery splicing groove is opened on one side of the gallery inspection section, and a gallery splicing plug-in is fixedly arranged on the other side of the gallery inspection section, and the gallery splicing groove matches the gallery splicing plug-in block; it is convenient for splicing and use of the gallery inspection well, and the assembly is convenient, and the gap is small after splicing with the power gallery.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The power pipeline corridor inspection well is equipped with a circular inspection fence assembly on the well seat, which is driven by a driving mechanism. When construction personnel enter the inspection well, the inspection fence assembly can be automatically lifted to isolate the wellhead of the inspection well to improve the safety of construction. After the construction is completed, it is automatically hidden and stored on the well seat without affecting normal passage, which is conducive to improving the work efficiency of power pipeline corridor maintenance, and is more labor-saving, convenient, safe and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a structural schematic diagram of the utility model pipe gallery inspection well;

[0015] Figure 2 It is a structural schematic diagram of the maintenance fence assembly of the utility model;

[0016] Figure 3 This is a top cross-sectional view of the inspection well seat of the utility model;

[0017] Figure 4 It is a front cross-sectional view of the utility model pipeline gallery inspection shaft.

[0018] In the figure: 1. Pipe gallery inspection section; 2. Inspection manhole seat; 3. Maintenance fence assembly; 31. Lifting pole; 32. Top sealing ring; 33. Warning fence; 34. Warning placard; 35. Screw slider; 4. Circular wellhead; 5. Anti-fall manhole cover; 6. Pipe gallery splicing groove; 7. Pipe gallery splicing plug-in block; 8. Maintenance ladder; 9. Switch plate; 10. Annular groove; 11. Transmission screw; 12. Reduction motor; 13. Gear plate; 14. Chain; 15. Sealing groove. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0020] See also Figure 1-4 The utility model provides an electric power pipeline gallery inspection well, comprising a pipeline gallery inspection section 1 and an inspection well seat 2 fixedly arranged at the top of the pipeline gallery inspection section 1, a circular wellhead 4 extending to the inside of the pipeline gallery inspection section 1 is fixedly arranged in the middle of the top of the inspection well seat 2, an annular groove 10 is opened on the periphery of the top of the inspection well seat 2, four corners of the inner wall of the annular groove 10 are rotatably provided with transmission screws 11, and an inspection fence assembly 3 for isolating the circular wellhead 4 during maintenance is arranged between the four transmission screws 11, a driving mechanism for driving the transmission screw 11 to move is fixedly installed at the bottom of the inner wall of the annular groove 10, an anti-falling wellhead cover 5 is clamped at the top of the circular wellhead 4, and an inspection ladder 8 is fixedly arranged on the inner side wall of the circular wellhead 4.

[0021] See also Figure 1 and Figure 2 Further, the inspection fence assembly 3 includes four lifting poles 31 and a screw slider 35 fixedly arranged at the bottom end of the lifting poles 31, the four screw sliders 35 are respectively transmission-arranged on four transmission screws 11, a warning fence 33 is fixedly arranged between two adjacent lifting poles 31, a warning placard 34 is fixedly arranged in the middle of the warning fence 33, the lifting pole 31 is slidingly arranged on the inner side of the annular groove 10, a top sealing ring 32 is fixedly arranged at the top end between the four lifting poles 31, a sealing groove 15 is opened at the top end of the annular groove 10, and the top sealing ring 32 matches the sealing groove 15;

[0022] When in use, the surface of the warning signboard 34 can be sprayed with warning words such as "Electric power construction, please take a detour", and the warning fence 33 is set to bright yellow, with a significant reflective warning effect. After the warning fence 33 is stored, the top sealing ring 32 will be stuck in the sealing groove 15 and flush with the inspection well seat 2, without affecting the passage of pedestrians, and the construction of the power pipeline corridor is safe and convenient.

[0023] See also Figure 1 , Figure 2 , Figure 3 and Figure 4Further, the driving mechanism includes a gear plate 13 fixedly arranged at the bottom end of the transmission screw rod 11, and a chain 14 is transmission-connected between the four gear plates 13. A reduction motor 12 is fixedly installed at the top of the inner wall of the pipe gallery inspection section 1, and the output end of the reduction motor 12 is fixedly arranged on one of the gear plates 13. A switch plate 9 is fixedly installed on the inner wall of the pipe gallery inspection section 1, and a lifting switch is fixedly installed on the surface of the switch plate 9. The reduction motor 12 is electrically connected to the external power supply through the lifting switch;

[0024] When in use, the reduction motor 12 is controlled to work through the lifting switch, driving the gear plate 13 to rotate slowly. Due to the transmission of the chain 14, the four gear plates 13 will rotate at the same time, thereby driving the four transmission screws 11 to rotate, and the lifting vertical rod 31 is driven by the screw slider 35 to slowly slide on the four corners of the annular groove 10, thereby lifting or lowering the warning fence 33 from the inside of the annular groove 10, automatically realizing the isolation and storage of the maintenance fence assembly 3, without the need for construction personnel to bring their own isolation fences, which is beneficial to improving the maintenance efficiency of the power corridor.

[0025] See also Figure 1 Further, a pipe gallery splicing groove 6 is opened on one side of the pipe gallery inspection section 1, and a pipe gallery splicing plug-in block 7 is fixedly arranged on the other side of the pipe gallery inspection section 1, and the pipe gallery splicing groove 6 matches the pipe gallery splicing plug-in block 7;

[0026] When in use, the size of the pipeline gallery inspection section 1 matches the size of the power pipeline gallery. When the power pipeline gallery is laid, a pipeline gallery inspection section 1 is installed at a certain distance. When the pipeline gallery inspection section 1 is assembled, it is spliced ​​and assembled through the pipeline gallery splicing plug-in block 7 and the pipeline gallery splicing groove 6, and the splicing is tight with small gaps.

[0027] When the embodiment of the present application is in use: when the construction personnel need to enter the power pipe gallery, they can first open the anti-fall manhole cover 5 and enter the pipe gallery inspection section 1 through the maintenance ladder 8. The pipe gallery inspection section 1 is connected to the power pipe gallery. After entering the power pipe gallery, the construction personnel press the lifting switch. At this time, the reduction motor 12 works, driving the gear plate 13 to rotate slowly. Due to the transmission of the chain 14, the four gear plates 13 will rotate at the same time, thereby driving the four transmission screws 11 to rotate, and driving the lifting upright 31 to slide slowly on the four corners of the annular groove 10 through the screw slider 35, thereby lifting the warning fence 33 from the inside of the annular groove 10, and isolating the circular wellhead 4 through the warning fence 33, thereby preventing falling rocks or pedestrians on the ground from accidentally entering the inspection well, thereby improving construction safety. After the inspection is completed, the staff can directly retract the maintenance fence assembly 3 into the annular groove 10 through the lifting switch and hide it.

[0028] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A power pipeline gallery inspection well, comprising a pipeline gallery inspection section (1) and an inspection well seat (2) fixedly arranged at the top of the pipeline gallery inspection section (1), characterized in that: A circular wellhead (4) extending to the interior of the pipe gallery inspection section (1) is fixedly provided in the middle of the top of the inspection well seat (2); an annular groove (10) is provided on the periphery of the top of the inspection well seat (2); transmission screws (11) are rotatably provided at the four corners of the inner wall of the annular groove (10); an inspection fence assembly (3) for isolating the circular wellhead (4) during inspection is provided between the four transmission screws (11); a driving mechanism for driving the transmission screw (11) to move is fixedly installed at the bottom of the inner wall of the annular groove (10); and a fall prevention wellhead cover (5) is provided at the top of the circular wellhead (4).

2. The power pipeline inspection well according to claim 1 is characterized in that: The inspection fence assembly (3) comprises four lifting poles (31) and a screw slider (35) fixedly arranged at the bottom end of the lifting poles (31); the four screw sliders (35) are respectively transmission-arranged on four transmission screws (11); a warning fence (33) is fixedly arranged between two adjacent lifting poles (31); a warning placard (34) is fixedly arranged in the middle of the warning fence (33); and the lifting pole (31) is slidably arranged on the inner side of the annular groove (10).

3. The power pipeline inspection well according to claim 2 is characterized in that: A top sealing ring (32) is fixedly arranged at the top end between the four lifting upright rods (31), a sealing groove (15) is opened at the top end of the annular groove (10), and the top sealing ring (32) matches the sealing groove (15).

4. The power pipeline inspection well according to claim 1 is characterized by: The driving mechanism comprises a gear plate (13) fixedly arranged at the bottom end of a transmission screw rod (11), a chain (14) being transmission-connected between four gear plates (13), a reduction motor (12) being fixedly installed at the top end of the inner wall of the pipe gallery inspection section (1), and an output end of the reduction motor (12) being fixedly arranged on one of the gear plates (13).

5. The power pipeline inspection well according to claim 4 is characterized by: A switch plate (9) is fixedly mounted on the inner wall of the pipe gallery inspection section (1), a lifting switch is fixedly mounted on the surface of the switch plate (9), and the reduction motor (12) is electrically connected to an external power supply via the lifting switch.

6. The power pipeline inspection well according to claim 1, characterized in that: A maintenance ladder (8) is fixedly arranged on the inner side wall of the circular wellhead (4).

7. The power pipeline inspection well according to claim 1 is characterized by: A pipe gallery splicing groove (6) is provided on one side of the pipe gallery inspection section (1), and a pipe gallery splicing plug-in block (7) is fixedly provided on the other side of the pipe gallery inspection section (1), wherein the pipe gallery splicing groove (6) matches the pipe gallery splicing plug-in block (7).

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