CN113086912A - Special tool for height-adjustable anti-theft inspection well cover device and using method thereof - Google Patents
Special tool for height-adjustable anti-theft inspection well cover device and using method thereof Download PDFInfo
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- CN113086912A CN113086912A CN202110503832.5A CN202110503832A CN113086912A CN 113086912 A CN113086912 A CN 113086912A CN 202110503832 A CN202110503832 A CN 202110503832A CN 113086912 A CN113086912 A CN 113086912A
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- 238000007689 inspection Methods 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title description 4
- 239000000463 material Substances 0.000 claims abstract description 15
- 239000007769 metal material Substances 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 239000000696 magnetic material Substances 0.000 abstract 1
- 206010066054 Dysmorphism Diseases 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 206010039203 Road traffic accident Diseases 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F19/00—Hoisting, lifting, hauling or pushing, not otherwise provided for
- B66F19/005—Lifting devices for manhole covers
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
- E02D29/1409—Covers for manholes or the like; Frames for covers adjustable in height or inclination
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- Engineering & Computer Science (AREA)
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- General Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Sewage (AREA)
Abstract
A special tool of an anti-theft inspection well cover device with adjustable height comprises a well cover, a base, a well cover bracket, a support platform, a stand column, a ferrule, a well cover lifting handle and a pavement material; the manhole cover is characterized in that a plurality of first large helical teeth with the same size are arranged below the manhole cover; the bottom surface of the first big helical tooth is provided with a first small helical tooth; the lower end of the first large helical tooth is provided with a limiting protrusion; two special-shaped through holes are formed in the well cover; the bottom surface of the first large helical tooth is provided with a strong magnetic block, the first large helical tooth is matched with the second large helical tooth, and the second large helical tooth is made of a magnetic material; the base is provided with a plurality of positioning holes, screws penetrate through the positioning holes to fix the base on a roadbed, the base is buried by pavement materials, the pavement materials are flush with the top surface of the well cover ferrule, and a well mouth is arranged in the middle of the base. The invention is a special tool matched with the anti-theft inspection well cover with adjustable height.
Description
Technical Field
The invention relates to the field of municipal facilities and tools, in particular to a special tool for a height-adjustable anti-theft inspection well cover device.
Background
The inspection well cover is widely used, and various types of inspection wells and inspection well covers are required to be arranged at each inspection point when various pipelines such as power, communication, air supply, heat supply, water supply, drainage and the like are laid, extended, expanded or modified underground in a city. Particularly, various wires and cables are laid along a highway in a city more quickly and easily, and inspection wells and inspection well covers are arranged in the road very often. Under normal conditions, the height of the top surface of the inspection well cover is consistent with the height of the road surface, so that the travelling comfort and safety of pedestrians and vehicles can be guaranteed. Generally, after the whole construction of the inspection well cover is finished and fixed, the height of the inspection well cover cannot be adjusted, but the inspection well cover is particularly installed on a road after the inspection well cover is used for a long time. The inspection well cover is gradually lower than the road surface of the highway due to the possibility of sedimentation of the whole inspection well cover; when the tire of the passing vehicle rolls the inspection well cover lower than the road surface every time, the wheel can downwards impact the inspection well cover once, and the sedimentation of the inspection well cover can be accelerated. When the inspection well cover is lower than the road surface of the highway, the road is hollow, the driving comfort of vehicles is seriously influenced, and the hidden danger of traffic accidents also exists.
In order to ensure the driving safety, the inspection well cover in the road is mostly made of metal materials, the recoverability of the metal materials ensures that the inspection well cover made of the metal materials becomes the target of theft by thieves, and after the inspection well cover is stolen, the cavity of the inspection well cover is lost, which is a serious hidden danger of traffic accidents; if a complex well lid fixing method is adopted, the adjustment and the opening of the well lid are very troublesome, and people hope to provide a special tool matched with the anti-theft inspection well lid device with adjustable height so as to ensure that the maintenance time is shortened and the travelling comfort and the safety are ensured.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a special tool for a height-adjustable anti-theft inspection well cover device.
The technical scheme adopted by the invention is as follows: a special tool of an anti-theft inspection well cover device with adjustable height comprises a support platform, a stand column, a ferrule, a well cover lifting handle and a pavement material; the support is characterized in that the lower surface of the support platform is rotatably connected with three support legs through support leg hinges and is also rotatably connected with a limiting plate through a limiting plate hinge; a limiting hole is formed in the limiting plate, and a spring is arranged between the support platform and the limiting plate; a sleeve is arranged in the middle of the support platform; the diameter of the upright post is smaller than the inner diameter of the sleeve; the upright post can slide up and down in the sleeve, and the top end of the upright post is a square head; the lower end of the upright post is fixedly welded with a cover plate, two ends of the cover plate are provided with special-shaped guide holes, the size of each special-shaped guide hole is larger than that of a special-shaped through hole in the well cover, and the central points of the two special-shaped guide holes are matched with the central points of the two special-shaped through holes; the two sides of the ferrule are symmetrically provided with ferrule handles, the middle of the ferrule is provided with a square hole, the square hole can be sleeved on a square head, and the rotating ferrule can drive the upright post to rotate;
a baffle is arranged below the well lid lifting handle, a cylinder is arranged below the baffle, raised heads are symmetrically arranged at the lower ends of the cylinders, and the size of the vertical distance between the baffle and the raised heads is larger than the size of the cover plate thickness plus the thickness of the well lid; the cylinder and the raised head can be inserted into the special-shaped through hole through the special-shaped guide hole and rotate.
The application objects of the tool are: a plurality of first large helical teeth with magnets and first small helical teeth on the bottom surfaces are arranged below the well cover; two special-shaped through holes are formed in the well cover; the number and the shape of the first large helical teeth and the second large helical teeth are completely matched, the base is fixed on a roadbed by screws, pavement materials bury the base and are flush with the top surface of the well cover ferrule, and a well mouth is arranged in the middle of the base; the number of the first small helical teeth is completely the same as that of the second small helical teeth and the first small helical teeth and the second small helical teeth are completely matched; the well lid has more than 200 kilograms of magnetic attraction with the base under the action of the strong magnetic block; the height can be adjusted by clockwise rotation only by using a matched special tool between the well cover and the base, and the well cover and the base can be separated only by adopting a vertical upward pulling mode.
The support platform integral component, the stand column integral component and the limiting plate integral component are all made of metal materials, wherein the hardness of the metal materials of the limiting plate is larger than that of the stand column metal materials, and the supporting legs have the function of skid prevention and fixation on a pavement material.
The diameter size of spacing hole is greater than the diameter size of stand, and the limiting plate is under the effect of spring, and the stand can only upwards move in spacing hole, relieves the pressure of spring to the limiting plate, and the stand can upwards or downwards move in spacing hole.
The whole bearing capacity of the support platform, the supporting legs and the limiting plates is larger than 300 kilograms, and the support platform, the supporting legs and the limiting plates cannot deform when bearing within 300 kilograms.
The upright posts and the cover plate can not deform when bearing weight within kilogram.
The handle is carried to well lid inserts the rotation of dysmorphism through-hole through special-shaped guide hole after, can bear the pull-up force more than 300 kilograms.
By adopting the technical scheme of the invention, the invention has the following beneficial effects:
1) the tool is specially designed for an anti-theft inspection well cover with adjustable height installed and used in a highway, an upright post of the tool can move upwards in a single direction under the action of a limiting device, and the lifted well cover cannot fall down by self;
2) the tool can apply balanced rotation power to the anti-theft inspection well cover with adjustable height to adjust the height and separate the internal magnetic force from the magnetism-attracting component, so as to achieve the purposes of adjustment and removal;
3) the tool can be disassembled and folded, and is convenient to carry;
4) the manhole cover lifting handle of the tool has universality and can be used for dragging, installing or adjusting other manhole covers.
Drawings
FIG. 1 is a perspective view of the present invention (the special tool is placed on the inspection well cover, and the handle of the inspection well cover is inserted into the special-shaped through hole);
FIG. 2 is a schematic view of a partial cross-sectional view of the height of the anti-theft inspection well cover with adjustable height according to the present invention (the special tool is placed on the inspection well cover, and the lifting handle of the inspection well cover is inserted into the special-shaped through hole);
FIG. 3 is a schematic view of a partial cross-sectional view of the height-adjustable anti-theft inspection well cover according to the present invention (a special tool is placed on the inspection well cover, a handle of the well cover is inserted into a special-shaped through hole, and the well cover is rotated clockwise, such that the height of the well cover is changed);
FIG. 4 is a schematic view of a partial cross-sectional view of the invention showing the height-adjustable anti-theft inspection well cover uncovered (a special tool is placed on the inspection well cover, a handle for lifting the inspection well cover is inserted into the special-shaped through hole, and the inspection well cover is rotated clockwise to completely separate the inspection well cover from the base);
FIG. 5 is a schematic view (side view) of the construction of the special tool;
FIG. 6 is a schematic view of the construction of the special tool (viewed from below);
in the figure: the well lid comprises a well lid 10, a first large helical tooth 11, a first small helical tooth 12, a limiting protrusion 13, a special-shaped through hole 14, a strong magnetic block 20, a base 30, a well lid ferrule 31, a base positioning hole 32, a well lid bracket 40, a second large helical tooth 41, a second small helical tooth 42, a support platform 50, a support leg 51, a limiting plate 52, a spring 53, a sleeve 54, a limiting plate hinge 55, a support leg hinge 56, a limiting hole 57, a stand column 60, a cover plate 61, a special-shaped guide hole 62, a square head 63, a ferrule 70, a ferrule handle 71, a square hole 72, a well lid lifting handle 80, a baffle plate 81, a cylinder 82, a raised head 83, a pavement material 90, a roadbed 91 and a well mouth 92.
Detailed Description
The invention is further illustrated by the following figures and examples: as shown in fig. 1 to 6, a special tool for a height-adjustable anti-theft inspection well cover device comprises a support platform 50, a column 60, a ferrule 70, a well cover lifting handle 80 and a road surface material 90; the support is characterized in that the lower surface of the support platform 50 is rotatably connected with three support legs 51 through support leg hinges 56 and is also rotatably connected with a limit plate 52 through a limit plate hinge 55; a limiting hole 57 is formed in the limiting plate 52, and a spring 53 is arranged between the support platform 50 and the limiting plate 52; a sleeve 54 is arranged in the middle of the bracket platform 50; the diameter of the post 60 is less than the inner diameter of the sleeve 54; the upright post 60 can slide up and down in the sleeve 54, and the top end of the upright post 60 is a square head 63; the lower end of the upright post 60 is fixedly welded with a cover plate 61, two ends of the cover plate 61 are provided with special-shaped guide holes 62, the size of each special-shaped guide hole 62 is larger than that of each special-shaped through hole 14 on the well lid 10, and the central points of the two special-shaped guide holes 62 are matched with the central points of the two special-shaped through holes 14; ferrule handles 71 are symmetrically arranged at two sides of the ferrule 70, a square hole 72 is arranged in the middle of the ferrule 70, the square hole 72 can be sleeved on the square head 63, and the upright post 60 can be driven to rotate by rotating the ferrule 70;
a baffle 81 is arranged below the well lid lifting handle 80, a cylinder 82 is arranged below the baffle 81, raised heads 83 are symmetrically arranged at the lower ends of the cylinders 82, and the vertical distance between the baffle 81 and the raised heads 83 is larger than the thickness of the cover plate 61 plus the thickness of the well lid 10; the cylinder 82 and the nose 83 can be inserted into the shaped through hole 14 through the shaped guide hole 62 and rotated.
The application objects of the tool are: a plurality of first large helical teeth 11 with magnets and first small helical teeth 12 on the bottom surface are arranged under the well cover 10; two special-shaped through holes 14 are formed in the well cover 10; the number and the shape of the first large helical teeth 11 and the second large helical teeth 41 are completely matched, the base 30 is fixed on a roadbed 91 by screws, the pavement material 90 buries the base 30 and is flush with the top surface of the well cover ferrule 31, and a well mouth 92 is arranged in the middle of the base 30; the number of the first small helical teeth 12 is completely the same as that of the second small helical teeth 42; the well lid 10 has more than 200 kilograms of magnetic attraction with the base 30 under the action of the strong magnetic block; the height of the well lid 10 and the base 30 can be adjusted by clockwise rotation only by using a matched special tool, and the well lid can be separated only by adopting a vertical upward pulling mode.
The integral components of the support platform 50, the integral components of the upright columns 60 and the integral components of the limiting plates 52 are all made of metal materials, wherein the hardness of the metal materials of the limiting plates 52 is greater than that of the metal materials of the upright columns 60, and the supporting legs 51 have the function of anti-skidding and fixing on the pavement material 90.
The diameter size of the limiting hole 57 is larger than that of the upright post 60, the upright post 60 can only move upwards in the limiting hole 57 under the action of the spring 53 of the limiting plate 52, the pressure of the spring 53 on the limiting plate 52 is relieved, and the upright post 60 can move upwards or downwards in the limiting hole 57.
The whole bearing capacity of the support platform 50, the support legs 51 and the limiting plates 52 is larger than 300 kilograms, and the support platform cannot deform when bearing within 300 kilograms.
The upright post 60 and the cover plate 61 can not deform when bearing within 300 kilograms.
The well lid is carried and is pulled handle 80 and insert the rotation back of dysmorphism through-hole 14 through dysmorphism guide hole 62, can bear the pull-up force more than 200 kilograms.
Preferably, a metal chain is installed on the upper portions of the three support legs 51 to restrain the three support legs 51 so as to prevent the support legs 51 from slipping on the ground.
The use method of the special tool of the height-adjustable anti-theft inspection well cover device comprises the following steps:
adjusting the height of the well cover:
1) confirming that the inspection well cover is a height-adjustable anti-theft inspection well cover fixed by magnetic force, wherein a special tool of the inspection well cover is prefabricated and matched;
2) the upright post 60 is penetrated into the limiting hole 57 and the sleeve 54 from the bottom to the top, so that the cover plate 61 is higher than the bottom end of the supporting foot 51;
3) the supporting feet 51 are separated and placed outside the well lid ferrule 31, the support platform 50 is in a horizontal state, and the sleeve 54 is confirmed to be in the middle of the well lid 10;
4) lifting the limit plate 52 upwards, and placing the cover plate 61 on the well lid 1;
5) aligning the two profiled guide holes 62 with the profiled through holes 14;
6) the cylinders 82 under the two manhole cover lifting handles 80 are respectively inserted into the two special-shaped through holes 14 on the manhole cover 10 through the special-shaped guide holes 62 and rotated by 90 degrees;
7) confirming that the supporting legs 51 have been firmly fixed to the pavement material 90;
8) the ferrule handle 71 is grasped to rotate clockwise, if the ferrule handle 71 is not rotated, a metal pipe is sleeved on the ferrule handle 71 to increase the force arm, and the ferrule handle is rotated for a certain angle, so that the height of the well lid 10 can be increased;
opening the well cover:
1) continuing to rotate the ferrule handle 71 clockwise to separate the first large helical tooth 11 from the second large helical tooth 41 under the well lid 10, so that the magnet loses effect;
2) the well lid lifting handle 80 is grasped, the well lid 10 is lifted and moved away, and the opening of the well lid is finished;
the well lid is placed in the well lid collar 31 (two-person operation):
1) inserting the cylinders 82 below the two well lid lifting handles 80 into the two special-shaped through holes 14 on the well lid 10 respectively and rotating the well lid by 90 degrees;
2) moving the well lid 10 to the middle of the well lid ferrule 31 to ensure that the well lid 10 is basically horizontal;
3) aligning the lowermost end of the first large helical tooth 11 under the well lid 10 with the uppermost end of the second large helical tooth 41 in the well lid collar 31;
4) slowly lowering the well lid 10 until the bottom end of the first large helical tooth 11 below the well lid 10 is in contact with the top end of the second large helical tooth 41 in the well lid ferrule 31;
5) the well lid 10 rotates clockwise reversely, so that the bottom end of the first big helical tooth 11 under the well lid 10 is separated from the top end of the second big helical tooth 41 in the well lid ferrule 31;
6) and continuously keeping the well lid 10 in a horizontal state, and continuously lowering the well lid 10 until the magnet below the first large helical tooth 11 generates a magnetic force action on the second large helical tooth 41, so that the installation is finished.
The tool is specially designed for the height-adjustable anti-theft inspection well cover in a matching way, the upright post of the tool can move in a single direction under the action of the limiting device, and the lifted well cover cannot fall down by self; the tool can apply rotary power to the anti-theft inspection well cover with adjustable height, and can easily adjust the height of the anti-theft inspection well cover with adjustable height; the tool can be disassembled and folded, and is convenient to carry; ) The manhole cover lifting handle of the tool has universality and can be used for dragging, installing or adjusting other manhole covers.
The above examples of the present invention are illustrative of typical embodiments of the present invention and are not intended to limit the embodiments of the present invention. Obvious variations from the embodiments of the present invention are still within the scope of the claims of the present invention.
Claims (7)
1. A special tool of an anti-theft inspection well cover device with adjustable height comprises a support platform 50, a stand column 60, a ferrule 70, a well cover lifting handle 80 and a pavement material 90; the support is characterized in that the lower surface of the support platform 50 is rotatably connected with three support legs 51 through support leg hinges 56 and is also rotatably connected with a limit plate 52 through a limit plate hinge 55; a limiting hole 57 is formed in the limiting plate 52, and a spring 53 is arranged between the support platform 50 and the limiting plate 52; the diameter size of the limiting hole 57 is larger than that of the upright post 60, the upright post 60 can only move upwards in the limiting hole 57 under the action of the spring 53 of the limiting plate 52, the pressure of the spring 53 on the limiting plate 52 is relieved, and the upright post 60 can move upwards or downwards in the limiting hole 57; a sleeve 54 is arranged in the middle of the bracket platform 50; the diameter of the post 60 is less than the inner diameter of the sleeve 54; the upright post 60 can slide up and down in the sleeve 54, and the top end of the upright post 60 is a square head 63; the lower end of the upright post 60 is fixedly welded with a cover plate 61, two ends of the cover plate 61 are provided with special-shaped guide holes 62, the size of each special-shaped guide hole 62 is larger than that of each special-shaped through hole 14 on the well lid 10, and the central points of the two special-shaped guide holes 62 are matched with the central points of the two special-shaped through holes 14; ferrule handles 71 are symmetrically arranged at two sides of the ferrule 70, a square hole 72 is arranged in the middle of the ferrule 70, the square hole 72 can be sleeved on the square head 63, and the upright post 60 can be driven to rotate by rotating the ferrule 70; a baffle 81 is arranged below the well lid lifting handle 80, a cylinder 82 is arranged below the baffle 81, raised heads 83 are symmetrically arranged at the lower ends of the cylinders 82, and the vertical distance between the baffle 81 and the raised heads 83 is larger than the thickness of the cover plate 61 plus the thickness of the well lid 10; the cylinder 82 and the nose 83 can be inserted into the shaped through hole 14 through the shaped guide hole 62 and rotated.
2. The special tool for the anti-theft inspection well cover device with the adjustable height as claimed in claim 1, is characterized in that the application objects of the tool are as follows: a plurality of first large helical teeth 11 with magnets and first small helical teeth 12 on the bottom surface are arranged under the well cover 10; two special-shaped through holes 14 are formed in the well cover 10; the number and the shape of the first large helical teeth 11 and the second large helical teeth 41 are completely matched, the base 30 is fixed on a roadbed 91 by screws, the pavement material 90 buries the base 30 and is flush with the top surface of the well cover ferrule 31, and a well mouth 92 is arranged in the middle of the base 30; the number of the first small helical teeth 12 is completely the same as that of the second small helical teeth 42; the well lid 10 has more than 200 kilograms of magnetic attraction with the base 30 under the action of the strong magnetic block; the height can be adjusted by clockwise rotation only by using a matched special tool between the well lid 10 and the base 30, and the well lid 10 can be separated from the base 30 only by adopting a vertical upward pulling mode.
3. The special tool for the height-adjustable anti-theft inspection well cover device according to claim 1, wherein the integral parts of the bracket platform 50, the upright post 60 and the limiting plate 52 are made of metal materials, wherein the hardness of the metal material of the limiting plate 52 is greater than that of the metal material of the upright post 60, and the supporting leg 51 has the function of anti-skid fixation on the road material 90.
4. The special tool for the height-adjustable anti-theft inspection well cover device according to claim 1, wherein the support platform 50, the support legs 51 and the limiting plate 52 have an overall bearing capacity of more than 300 kg, and do not deform when bearing a load within 300 kg.
5. The special tool for the height-adjustable anti-theft inspection well cover device according to claim 1, wherein the upright columns 60 and the cover plate 61 are not deformed when bearing a load within 300 kg.
6. The special tool for the height-adjustable anti-theft inspection well cover device according to claim 1, wherein the well cover lifting handle 80 can bear an upward pulling force of more than 200 kg after being inserted into the special-shaped through hole 14 through the special-shaped guide hole 62 and rotated.
7. Use of a tool specific for an adjustable height anti-theft inspection well cover device according to claims 1 to 6, comprising the following steps:
adjusting the height of the well cover:
1) confirming that the inspection well cover is a height-adjustable anti-theft inspection well cover fixed by magnetic force, wherein a special tool of the inspection well cover is prefabricated and matched;
2) the upright post 60 is penetrated into the limiting hole 57 and the sleeve 54 from the bottom to the top, so that the cover plate 61 is higher than the bottom end of the supporting foot 51;
3) the supporting feet 51 are separated and placed outside the well lid ferrule 31, the support platform 50 is in a horizontal state, and the sleeve 54 is confirmed to be in the middle of the well lid 10;
4) lifting the limit plate 52 upwards, and placing the cover plate 61 on the well lid 1;
5) aligning the two profiled guide holes 62 with the profiled through holes 14;
6) the cylinders 82 under the two manhole cover lifting handles 80 are respectively inserted into the two special-shaped through holes 14 on the manhole cover 10 through the special-shaped guide holes 62 and rotated by 90 degrees;
7) confirming that the supporting legs 51 have been firmly fixed to the pavement material 90;
8) the ferrule handle 71 is grasped to rotate clockwise, if the ferrule handle 71 is not rotated, a metal pipe is sleeved on the ferrule handle 71 to increase the force arm, and the ferrule handle is rotated for a certain angle, so that the height of the well lid 10 can be increased;
opening the well cover:
1) continuing to rotate the ferrule handle 71 clockwise to separate the first large helical tooth 11 from the second large helical tooth 41 under the well lid 10, so that the magnet loses effect;
2) the well lid lifting handle 80 is grasped, the well lid 10 is lifted and moved away, and the opening of the well lid is finished;
the well lid is placed in the well lid collar 31 (two-person operation):
1) inserting the cylinders 82 below the two well lid lifting handles 80 into the two special-shaped through holes 14 on the well lid 10 respectively and rotating the well lid by 90 degrees;
2) moving the well lid 10 to the middle of the well lid ferrule 31 to ensure that the well lid 10 is basically horizontal;
3) aligning the lowermost end of the first large helical tooth 11 under the well lid 10 with the uppermost end of the second large helical tooth 41 in the well lid collar 31;
4) slowly lowering the well lid 10 until the bottom end of the first large helical tooth 11 below the well lid 10 is in contact with the top end of the second large helical tooth 41 in the well lid ferrule 31;
5) the well lid 10 rotates clockwise reversely, so that the bottom end of the first big helical tooth 11 under the well lid 10 is separated from the top end of the second big helical tooth 41 in the well lid ferrule 31;
6) and continuously keeping the well lid 10 in a horizontal state, and continuously lowering the well lid 10 until the magnet below the first large helical tooth 11 generates a magnetic force action on the second large helical tooth 41, so that the installation is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110503832.5A CN113086912B (en) | 2021-05-10 | 2021-05-10 | Special tool for height-adjustable anti-theft inspection well cover device and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110503832.5A CN113086912B (en) | 2021-05-10 | 2021-05-10 | Special tool for height-adjustable anti-theft inspection well cover device and using method thereof |
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| CN113086912A true CN113086912A (en) | 2021-07-09 |
| CN113086912B CN113086912B (en) | 2022-09-13 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114873534A (en) * | 2022-05-06 | 2022-08-09 | 聊城市科慧市政工程设计有限公司 | Emergent flood control device of municipal administration |
| CN115807984A (en) * | 2022-12-21 | 2023-03-17 | 珠海格力电器股份有限公司 | Air conditioning unit, and sinking device and sinking method of fan assembly |
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| CN114873534A (en) * | 2022-05-06 | 2022-08-09 | 聊城市科慧市政工程设计有限公司 | Emergent flood control device of municipal administration |
| CN114873534B (en) * | 2022-05-06 | 2024-05-07 | 聊城市科慧市政工程设计院有限公司 | Emergent flood control device of municipal administration |
| CN115807984A (en) * | 2022-12-21 | 2023-03-17 | 珠海格力电器股份有限公司 | Air conditioning unit, and sinking device and sinking method of fan assembly |
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