CN110195443A - A kind of inspection shaft builds slag tray - Google Patents
A kind of inspection shaft builds slag tray Download PDFInfo
- Publication number
- CN110195443A CN110195443A CN201910604494.7A CN201910604494A CN110195443A CN 110195443 A CN110195443 A CN 110195443A CN 201910604494 A CN201910604494 A CN 201910604494A CN 110195443 A CN110195443 A CN 110195443A
- Authority
- CN
- China
- Prior art keywords
- tray
- strut
- push rod
- inspection shaft
- capstan winch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007689 inspection Methods 0.000 title claims abstract description 59
- 239000002893 slag Substances 0.000 title claims abstract description 55
- 230000003447 ipsilateral effect Effects 0.000 claims abstract description 13
- 238000009827 uniform distribution Methods 0.000 claims abstract description 5
- 230000006978 adaptation Effects 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 claims description 4
- 239000005060 rubber Substances 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000544061 Cuculus canorus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The present invention relates to inspection shaft technical fields, and in particular to a kind of inspection shaft builds slag tray；Technical solution is: a kind of inspection shaft builds slag tray, including tray, and tray is equipped with rotatable shaft with one heart, and shaft one end is equipped with driving portion, and shaft is fixed with capstan winch with one heart；It further include at least three push rods, push rod one end and capstan winch disk are hinged, push rod is along capstan winch circumference uniform distribution, the push rod other end is connected with strut, strut can be slided along push rod length direction, compressed spring is equipped between strut connecting pin and push rod hinged end, for compressed spring for squeezing strut, strut is used to support tray；Tray is evenly distributed in several lock tubes, and lock tube is ipsilateral with capstan winch, and the distance of lock tube to shaft axis is greater than push rod length and hinge joint to the sum of the distance of shaft, and lock tube is set in outside strut, and lock tube is for limiting strut along the angle of shaft circumferential deflection.It is the configuration of the present invention is simple, easy to operate, it can prevent from building slag falling into inspection shaft, reduce well operations under operator and dredge the risk drawn.
Description
Technical field
The present invention relates to inspection shaft technical fields, and in particular to a kind of inspection shaft builds slag tray.
Background technique
Inspection shaft be the power supply for Urban Underground infrastructure, water supply, draining, blowdown, communication, cable television, gas pipe,
The maintenance such as public lighting circuit, it is easy for installation and setting.Be generally located at pipeline intersection, turning, caliber or gradient change, with
And locate at a certain distance on straight line pipeline section, it is easy for inspecting periodically auxiliary construction.When pavement construction, artificial protection is not thorough
It will lead to and build slag and fall into well, lead to that pipeline blocks and foreign object destroys.
To prevent from building slag or other sundries fall into inspection shaft in construction, Maintenance and Repair, it is common practice that in inspection shaft
The string bag or plate are set.It needs that hook is arranged to fix the string bag then in net in the inspection shaft borehole wall when string bag being arranged in inspection shaft
Gunnysack is laid on pocket, this structural-load-carrying capacity is poor, cannot carry and excessive build slag, builds slag cleaning trouble；The another aspect string bag
It is easily deformed, it is difficult to repeat job execution, and link up with setting to influence to operate in inspection shaft side wall.And the arranging plate in inspection shaft
Material needs to be implanted into reinforcing bar, convex block etc. as stress point in the inspection shaft borehole wall, and difficulty of construction is larger.Simultaneously because plate and wellhole
Size cannot exactly match, and need to place multiple plates and be laid with the blinds such as gunnysack on plate, complicated for operation, peace is torn open not
Just, maintenance cost is high.And plate place it is unstable easily lead to inclination, and lead to build slag or even plate is fallen into inspection shaft.
Summary of the invention
The technical issues of slag tray difficulty bearing capacity is poor, construction is complicated, leakage slag is built for above-mentioned existing inspection shaft, the present invention mentions
A kind of Novel inspection well has been supplied to build slag tray, it is simple, easy to operate that this builds slag tray structure, can prevent from building slag falling into inspection shaft
It is interior, it can effectively prevent artificially blocking well room, reduce well operations under operator and dredge the risk drawn.
The present invention is achieved through the following technical solutions:
A kind of inspection shaft builds slag tray, including tray, and the tray is equipped with rotatable shaft, described shaft one end with one heart
Equipped with driving portion, the shaft is fixed with capstan winch with one heart；It further include at least three push rods, described push rod one end and capstan winch disk are cut with scissors
It connects, for the push rod along capstan winch circumference uniform distribution, the push rod other end is connected with strut, and the strut can be sliding along push rod length direction
It is dynamic, compressed spring is equipped between the strut connecting pin and push rod hinged end, the compressed spring is for squeezing strut, the support
Bar is used to support tray；The tray is evenly distributed in several lock tubes, and the lock tube and capstan winch are ipsilateral, the lock tube to shaft axis
The distance of line is greater than push rod length and hinge joint to the sum of the distance of shaft, and the lock tube is set in outside strut, and the lock tube is used
In limitation strut along the angle of shaft circumferential deflection.Driving portion will be built slag tray and laid flat to inspection towards inspection shaft well head when use
In well, and driving portion driving capstan winch rotation, driving strut end squeezes the inspection shaft borehole wall, while compressing compressed spring, until support
Bar is located at the radial direction of tray.Strut end is tightly abutted against the borehole wall by the screen resilience of compressed spring, so that tray be fixed
In inspection shaft, fallen into inspection with preventing from building the foreign matters such as slag.
Preferably, the tray is additionally provided with locating part, and the locating part and capstan winch are ipsilateral, and the locating part is for limiting support
The turned position of bar, it is radial that the strut is located at capstan winch when being in extreme position.In order to operating, prevent capstan winch rotate through position and
Reduce the decrement of compressed spring and leads to compressed spring driving capstan winch rotation.
Preferably, the push rod is the rod piece with cylindrical cavity, the strut and push rod connecting pin and compressed spring
Be respectively positioned in cavity, convenient for strut connection and prevent compressed spring radial shift move at work so that push rod and strut
Connection structure is simple.
As the specific articulated manner of push rod and capstan winch, the push rod is hinged by screw rod and capstan winch, and structure is simple, processes
Convenient, convenient for safeguarding and replacement compressed spring.
To improve the applicability built slag and hold piece, the tray is fixed with annular soft pad with one heart, and the annular soft pad outer diameter is big
In tray outer diameter, by the deformation of annular soft pad, so that building the inspection shaft that slag tray is applicable to different situations.
Preferably, the tray circumference is equipped with flange, and the flange and driving portion are ipsilateral, are equipped in the annular soft pad
The train of dress being adapted to flange, the flange are fixedly connected with train of dress.It can make to build slag and all be deposited in the disk of tray, be convenient for
The cleaning of slag is built, while being also possible to prevent to build the sundries such as slag when slag pan is held in taking-up and fall into inspection shaft.
As the specific fixed form of flange and train of dress, the flange is fixedly connected with train of dress by rivet, easy to connect,
Securely.
For the service life for improving annular soft pad, the annular soft pad uses EP rubbers.
It builds slag tray for convenience to be put into inspection shaft or take out out of inspection shaft, the tray is additionally provided with hanging ring, described to hang
Ring is ipsilateral with driving portion.
It further include matching used handle, the handle is T shape, and the handle is provided with the interconnecting piece of driving portion adaptation,
Convenient for building the installation and removal of slag tray.
Compared with prior art, the present invention having the following advantages and benefits:
Tray is equipped with rotatable shaft with one heart, and shaft is fixed with capstan winch with one heart；It further include at least three push rods, push rod edge
Capstan winch circumference uniform distribution and one end and capstan winch disk are hinged, and the push rod other end slidably connects strut, strut connecting pin and push rod hinge
It connects and is equipped with compressed spring between end.Tray is evenly distributed in several for limiting strut along the angle lock of shaft circumferential deflection simultaneously
Set.When installation, slag tray being built and laid flat into inspection shaft, and capstan winch is driven to rotate, driving strut end squeezes the inspection shaft borehole wall,
Compressed spring is compressed simultaneously, until strut is located at the radial direction of tray.Strut end is tightly supported by the screen resilience of compressed spring
The borehole wall is leaned against, so that tray is fixed in inspection shaft, is fallen into inspection with preventing from building the foreign matters such as slag.When needing to take out, continue
Capstan winch or revolution capstan winch are rotated, therefore the configuration of the present invention is simple, easy to operate, can prevent from building slag falling into inspection shaft,
It reduces well operations under operator and dredges the risk drawn.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is elevational schematic view of the invention；
Fig. 3 is the face the A-A schematic diagram of Fig. 2；
Fig. 4 is handle arrangement schematic diagram.
Label and corresponding parts title in attached drawing:
1- tray, 2- shaft, 3- driving portion, 4- capstan winch, 5- push rod, 6- strut, 7- compressed spring, 8- lock tube, 9- cavity,
10- screw rod, 11- locating part, 12- annular soft pad, 13- flange, 14- train of dress, 15- hanging ring, 16- handle, 17- interconnecting piece.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment
A kind of inspection shaft builds slag tray, including tray 1, and the tray 1 is equipped with rotatable shaft 2 with one heart.The shaft 2
One end is equipped with driving portion 3, is connect by driving portion 3 with components such as spanner, rotating bars, and with the rotation of drive shaft 2, driving portion 3 can
To be hexagonal prisms, flat recess, cross recess with common nut shape etc..The shaft is fixed with capstan winch 4, therefore capstan winch 4 with one heart
It is rotated together with shaft 2.It further include at least three push rods 5, described 5 one end of push rod and 4 disk of capstan winch are hinged, and the push rod 5
Along 4 circumference uniform distribution of capstan winch；The hinge joint of push rod 5 and capstan winch 4 should be located at the non-centre point of capstan winch 4, and usual push rod 5 is hinged on strand
The periphery of disk 4.5 other end of push rod is connected with strut 6, and the strut 6 can be slided along 5 length direction of push rod, i.e., strut 6 with
Push rod 5 is slidably connected.Compressed spring 7 is equipped between 6 connecting pin of strut and 5 hinged end of push rod, the compressed spring 7 is used for
Strut 6 is squeezed, the strut 6 is used to support tray 1.
The tray 1 is also evenly distributed in several lock tubes 8, and the lock tube 8 and capstan winch 4 are ipsilateral, and the lock tube 8 arrives shaft 2
The distance of axis is greater than 5 length of push rod and hinge joint to the sum of the distance of shaft 2, is swung with preventing lock tube 8 from limiting push rod 5.Institute
It states lock tube 8 to be set in outside strut 6, the lock tube 8 is for limiting strut 6 along the angle of shaft circumferential deflection, it is to be understood that,
Push rod 5 and strut 6 can be driven to swing when capstan winch 4 rotates.Driving portion 3 will be built slag tray and laid flat towards inspection shaft well head when use
Into inspection shaft；Capstan winch 4 is driven to rotate by components such as spanners, push rod 5 is swung with capstan winch 4, is examined so that 6 end of strut be squeezed
The well borehole wall is looked into, while compressing compressed spring 7, until strut 6 is located at the radial direction of tray 1.It will be supportted by the screen resilience of compressed spring 7
6 end of bar is tightly abutted against the borehole wall, so that tray is fixed in inspection shaft, is fallen into inspection with preventing from building the foreign matters such as slag.It needs
It is noted that since strut 6 is located at, tray 1 is radial, i.e., the reaction force that each strut 6 provides is twisted by 2 axis of shaft
The suffered resultant force of disk 4 is zero, therefore removes capstan winch 4 after external force and not can rotate.Graticule, radial slot, radial direction can be wherein set on tray 1
The limitation such as position limiting structure can also be arranged to judge whether strut 6 is located at 1 radial direction of tray in block etc. in shaft 2 and on tray 1
The rotation angle of shaft 2.
Further, the tray 1 is additionally provided with locating part 11, and the locating part 11 and capstan winch 4 are ipsilateral.It should be understood that
That locating part 11 can be the protrusion being fixed on tray 1, pin shaft, block etc., height should 6 axis of cuckoo strut to holding
The vertical range of disk 1, i.e., the described locating part 11 are used to limit the turned position of strut 6, and when the strut 6 is in extreme position
It is radial positioned at capstan winch 4.In order to operating, preventing capstan winch 4 from rotating through position and reducing the decrement of compressed spring 7；4 turns of capstan winch simultaneously
Position was moved, causes the reaction force of each strut 6 to deviate 2 axis of shaft, causes the reaction force of each strut 6 excessive, so that
Compressed spring 7 drives capstan winch 4 to rotate, and can not fix and build slag tray.
Further, the push rod 5 is the rod piece with cylindrical cavity 9, that is, is equipped with cylinder at the middle part of push rod 5
Shape cavity, the present embodiment is using cylindrical sleeve.The strut 6 is respectively positioned on cavity with 5 connecting pin of push rod and compressed spring 7
It is interior, convenient for strut 6 connection and prevent compressed spring 7 from generating radial displacement at work so that the connection of push rod 5 and strut 6
Structure is simple.Wherein, to prevent strut 6 from skidding off push rod 5, convex shoulder can be set in 6 one end of strut, be arranged directly in 5 end of push rod
Diameter is less than the through-hole of 6 convex shoulder of strut.
As the specific articulated manner of push rod 5 and capstan winch 4, the push rod 5 is hinged by screw rod 10 and capstan winch 4.It can manage
Solution, the hinged end of push rod 5, capstan winch 4 are equipped with the through-hole passed through for 10 bar portion of screw rod, are then passing through nut and screw rod 10
Thread segment across capstan winch 4 connects, and completes the hinged of push rod 5, simple structure and convenient processing, convenient for safeguarding and replacement compression bullet
Spring 7 and strut 6.
The applicability that slag holds piece is built to improve, the tray 1 is fixed with annular soft pad 12 with one heart, outside the annular soft pad 12
Diameter is greater than 1 outer diameter of tray.It is understood that annular soft pad 12 is made of the material with certain flexibility recoverable deformation, such as
Soft pvc, various rubber etc., and annular soft pad 12 is greater than the bore of used inspection shaft.By the deformation of annular soft pad 12, make
The inspection shaft that slag tray is applicable to different situations must be built.And when in use, since annular soft pad 12 is greater than the bore of inspection shaft,
Therefore annular soft pad 12 in inspection shaft when is close to the inspection shaft borehole wall and it is upward tilt, can further prevent from building slag or its
He falls into well tiny sundries, and to fall and roll in the slag of building of annular soft pad 12 to 1 disk of tray.
Preferably, 1 circumference of tray is equipped with flange 13, and the flange 13 and driving portion 3 are ipsilateral.Specifically, flange
13 can be 1 punching press of the tray flange got, the stereosphere band for welding/being screwed onto 1 side wall of tray etc., so that the change of tray 1
For peviform.It is equipped with the train of dress 14 being adapted to flange 13 in the annular soft pad 12, that is, is equipped in annular soft pad 12
With the protrusion of 13 shape adaptation of flange, and the flange 13 is fixedly connected with train of dress 14.So that the disk of tray 1 is lower than ring
12 planar section of shape cushion, can make to build slag and be all deposited in the disk of tray 1, convenient for building the cleaning of slag.Flange 13 is made simultaneously
It for the side of tray 1, can prevent from building the foreign matters such as slag rolling out tray 1, can prevent from building the sundries such as slag when slag pan is held in taking-up falling into
In inspection shaft.
As the specific fixed form of flange 13 and train of dress 14, the flange 13 is fixedly connected with train of dress 14 by rivet,
It is not only easy to connect, and mode relative to bonding is more secured, weatherability is more preferable.
For the service life for improving annular soft pad 12, the annular soft pad 12 uses EP rubbers.
It builds slag tray for convenience to be put into inspection shaft or take out out of inspection shaft, the tray 1 is additionally provided with hanging ring 15, described
Hanging ring 15 and driving portion 3 are ipsilateral.General hanging ring 15 sets there are two and sets up separately in the two sides of driving portion 3, to prevent tray 1 from putting
Inclination when entering in inspection shaft.
It further include matching used handle 16, the handle 16 is T shape, and the handle 16 is provided with the adaptation of driving portion 3
Interconnecting piece 17, that is, interconnecting piece 17 is equipped in the vertical bar end at 16 middle part of handle.The cross bar length of usual handle 16, which is greater than, to be twisted
The diameter of disk 4 is rotated by 16 drive shaft 2 of handle, using lever principle, compression compressed spring 7 that can be light, convenient for building
The installation and removal of slag tray.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (10)
1. a kind of inspection shaft builds slag tray, including tray (1), it is characterised in that: the tray (1) is equipped with rotatable turn with one heart
Axis (2), described shaft (2) one end are equipped with driving portion (3), and the shaft (2) is fixed with capstan winch (4) with one heart；
It further include at least three push rods (5), described push rod (5) one end and capstan winch (4) disk are hinged, and the push rod (5) is along capstan winch
(4) circumference uniform distribution, push rod (5) other end are connected with strut (6), and the strut (6) can be sliding along push rod (5) length direction
It is dynamic, compressed spring (7) are equipped between strut (6) connecting pin and push rod (5) hinged end, the compressed spring (7) is for squeezing
It presses strut (6), the strut (6) is used to support tray (1)；
The tray (1) is evenly distributed in several lock tubes (8), and the lock tube (8) and capstan winch (4) are ipsilateral, and the lock tube (8), which is arrived, to be turned
The distance of axis (2) axis is greater than push rod (5) length and hinge joint to the sum of the distance of shaft (2), and the lock tube (8) is set in support
Outside, the lock tube (8) is for limiting strut (6) along the angle of shaft (2) circumferential deflection for bar (6).
2. inspection shaft according to claim 1 builds slag tray, it is characterised in that: the tray (1) is additionally provided with locating part
(11), the locating part (11) and capstan winch (4) are ipsilateral, and the locating part (11) is used to limit the turned position of strut (6), described
It is radial that strut (6) is located at capstan winch (4) when being in extreme position.
3. inspection shaft according to claim 1 or 2 builds slag tray, it is characterised in that: the push rod (5) is with cylinder
The rod piece of cavity (9), the strut (6) and push rod (5) connecting pin and compressed spring (7) are respectively positioned in cavity (9).
4. inspection shaft according to claim 3 builds slag tray, it is characterised in that: the push rod (5) by screw rod (10) with
Capstan winch (4) is hinged.
5. inspection shaft according to claim 1 or 2 builds slag tray, it is characterised in that: the tray (1) is fixed with ring with one heart
Shape cushion (12), annular soft pad (12) outer diameter are greater than tray (1) outer diameter.
6. inspection shaft according to claim 5 builds slag tray, it is characterised in that: tray (1) circumference is equipped with flange
(13), the flange (13) and driving portion (3) are ipsilateral, are equipped with the train of dress being adapted to flange (13) in the annular soft pad (12)
(14), the flange (13) is fixedly connected with train of dress (14).
7. inspection shaft according to claim 6 builds slag tray, it is characterised in that: the flange (13) and train of dress (14) pass through
Rivet is fixedly connected.
8. inspection shaft according to claim 5 builds slag tray, it is characterised in that: the annular soft pad (12) uses the third rubber of second
Glue.
9. inspection shaft according to claim 1 builds slag tray, it is characterised in that: the tray (1) is additionally provided with hanging ring
(15), the hanging ring (15) and driving portion (3) are ipsilateral.
10. inspection shaft according to claim 1 builds slag tray, it is characterised in that: it further include matching used handle (16),
The handle (16) is T shape, and the handle (16) is provided with the interconnecting piece (17) of driving portion (3) adaptation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910604494.7A CN110195443B (en) | 2019-07-05 | 2019-07-05 | Inspection shaft building slag bearing plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910604494.7A CN110195443B (en) | 2019-07-05 | 2019-07-05 | Inspection shaft building slag bearing plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110195443A true CN110195443A (en) | 2019-09-03 |
| CN110195443B CN110195443B (en) | 2024-05-14 |
Family
ID=67755826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910604494.7A Active CN110195443B (en) | 2019-07-05 | 2019-07-05 | Inspection shaft building slag bearing plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110195443B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005220733A (en) * | 2004-01-07 | 2005-08-18 | 寛治 ▲魚▼谷 | Circular cutter fixing member, manhole repair method using the same, tool for fixing filler outflow prevention means and rolling compaction board for repairing manhole |
| CN104372846A (en) * | 2013-08-16 | 2015-02-25 | 海宁管丽科技新材料有限公司 | Grating inner cover device used for preventing personnel from falling into drainage inspection well |
| CN204825974U (en) * | 2015-07-31 | 2015-12-02 | 青岛长永机械工程有限公司 | Inspection shaft is with connecing native umbrella |
| CN107401188A (en) * | 2017-09-16 | 2017-11-28 | 刘洪文 | Municipal anti-stealing manhole |
| CN208152202U (en) * | 2018-04-12 | 2018-11-27 | 安徽瑞瑶环保科技有限公司 | A kind of municipal works drainage inspection well anti-fall device |
| CN208748698U (en) * | 2018-09-18 | 2019-04-16 | 庞伯 | A kind of fall-preventing protection device for urban discharging pipeline inspection shaft |
| CN208899608U (en) * | 2018-09-21 | 2019-05-24 | 苏州安省建筑设计有限公司 | A kind of anti-fall drainage inspection well |
| CN210216504U (en) * | 2019-07-05 | 2020-03-31 | 成都市市政开发总公司 | Inspection well slag building bearing disc |
-
2019
- 2019-07-05 CN CN201910604494.7A patent/CN110195443B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005220733A (en) * | 2004-01-07 | 2005-08-18 | 寛治 ▲魚▼谷 | Circular cutter fixing member, manhole repair method using the same, tool for fixing filler outflow prevention means and rolling compaction board for repairing manhole |
| CN104372846A (en) * | 2013-08-16 | 2015-02-25 | 海宁管丽科技新材料有限公司 | Grating inner cover device used for preventing personnel from falling into drainage inspection well |
| CN204825974U (en) * | 2015-07-31 | 2015-12-02 | 青岛长永机械工程有限公司 | Inspection shaft is with connecing native umbrella |
| CN107401188A (en) * | 2017-09-16 | 2017-11-28 | 刘洪文 | Municipal anti-stealing manhole |
| CN208152202U (en) * | 2018-04-12 | 2018-11-27 | 安徽瑞瑶环保科技有限公司 | A kind of municipal works drainage inspection well anti-fall device |
| CN208748698U (en) * | 2018-09-18 | 2019-04-16 | 庞伯 | A kind of fall-preventing protection device for urban discharging pipeline inspection shaft |
| CN208899608U (en) * | 2018-09-21 | 2019-05-24 | 苏州安省建筑设计有限公司 | A kind of anti-fall drainage inspection well |
| CN210216504U (en) * | 2019-07-05 | 2020-03-31 | 成都市市政开发总公司 | Inspection well slag building bearing disc |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110195443B (en) | 2024-05-14 |
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