CN108999267A - A kind of rainwater inspection well for municipal roads - Google Patents

A kind of rainwater inspection well for municipal roads Download PDF

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Publication number
CN108999267A
CN108999267A CN201811230881.0A CN201811230881A CN108999267A CN 108999267 A CN108999267 A CN 108999267A CN 201811230881 A CN201811230881 A CN 201811230881A CN 108999267 A CN108999267 A CN 108999267A
Authority
CN
China
Prior art keywords
cylinder
sliding rail
cover board
sludge tank
inspection well
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.)
Pending
Application number
CN201811230881.0A
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Chinese (zh)
Inventor
唐祥红
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Fujing Environmental Protection Science And Technology Co Ltd
Original Assignee
Anhui Fujing Environmental Protection Science And Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anhui Fujing Environmental Protection Science And Technology Co Ltd filed Critical Anhui Fujing Environmental Protection Science And Technology Co Ltd
Priority to CN201811230881.0A priority Critical patent/CN108999267A/en
Publication of CN108999267A publication Critical patent/CN108999267A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/02Manhole shafts or other inspection chambers; Snow-filling openings; accessories
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/04Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F5/0401Gullies for use in roads or pavements
    • E03F5/0403Gullies for use in roads or pavements with a sediment trap
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/04Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F5/0401Gullies for use in roads or pavements
    • E03F5/0404Gullies for use in roads or pavements with a permanent or temporary filtering device; Filtering devices specially adapted therefor

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Sewage (AREA)

Abstract

The invention discloses a kind of rainwater inspection well for municipal roads of town road technical field, including cylinder, run through in the middle part of the periphery of cylinder and is connected with drainpipe, the intracavity sidewall of cylinder is provided with two groups of symmetrical first sliding rails, and in the first sliding rail and drainpipe infall, first sliding rail disconnects, the intracavity bottom of cylinder is connected with sludge tank, the periphery wall of sludge tank is slidably connected with the first sliding rail, filter sand plate is connected at the top of sludge tank, the top right side of cylinder is connected with the second sliding rail, the top left side of cylinder is connected with limited block, the top slide of second sliding rail is connected with cover board, it is abutted against at the top of the bottom left and limited block of cover board, motor and wire rewinding box are connected at the top of cover board, motor is located at the left side of wire rewinding box, the inner cavity of wire rewinding box is horizontally rotated by bearing is connected with coiling Bar, i.e., the present invention provides a kind of rainwater inspection well for municipal roads easy to operate.

Description

A kind of rainwater inspection well for municipal roads
Technical field
The present invention relates to town road technical field, specially a kind of rainwater inspection well for municipal roads.
Background technique
Inspection shaft be the power supply for Urban Underground infrastructure, water supply, draining, blowdown, communication, cable television, gas pipe, Public lighting circuit etc. maintenance, it is easy for installation and be arranged, 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.
Plastics integrated injection molding inspection shaft refers to the main well seating portion for constituting inspection shaft using one-time injection molding, pit shaft Socket uses 360 degree of ring-like carrying platforms, and well bore and well seat bottom use netted reinforcing rib, and each bell and spigot uses ring-like reinforcing rib Design has starting well seat, straight-through well seat, one eighth bend well seat, three drifting seats, four drifting seats according to adapter tube number and angle difference Deng, in order to adapt to various drainage conditions, plastic inspection well be configured with simultaneously reducer union, confluence connector, pit shaft polylinker etc. with Matched plastics integrated injection molding accessory, to ensure the smoothness and leakproofness of entire drainage system.
Rainwater inspection well generally connects rain dirt discharge tube, for for maintainer people or equipment inspection, remove the attached of foreign matter Belong to structures, it be it is a kind of convenient for inspecting periodically, unclog the pipe and the necessary facility for preventing line clogging, in recent years, Mei Fengqiang Rainfall, major urban waterlogging is serious, and underground water pipeline more shows important in urban construction, and these pipelines are equal every a distance Inspection shaft is set, these inspection wells are equipped at heavy mud more, and rainwater flows through, and institute's band silt sundries are settled herein, day is long-pending The moon is tired, if these mud are handled not in time, will affect the unobstructed of pipeline, heavy caliber inspection shaft is generally using cleaning of manually going into the well Mode, difficulty of transportation, large labor intensity, bad environments, into well in it is inconvenient, small-bore inspection shaft is even more difficulty except becoming silted up, by It is inconvenient to clear up in rainwater inspection well mud, and without suitable specific purpose tool, inspection shaft is easy silting, influences the normal of pipeline It uses.
Based on this, the present invention devises a kind of rainwater inspection well for municipal roads, to solve the above problems.
Summary of the invention
The purpose of the present invention is to provide a kind of rainwater inspection well for municipal roads, mentioned above in the background art to solve Heavy caliber inspection shaft is generally by the way of cleaning of manually going into the well, difficulty of transportation, large labor intensity, bad environments, into well Inconvenience, small-bore inspection shaft are even more difficulty except becoming silted up, since the cleaning of rainwater inspection well mud is inconvenient, and without suitable dedicated The problem of tool, inspection shaft is easy silting, influences the normal use of pipeline.
To achieve the above object, the invention provides the following technical scheme: a kind of rainwater inspection well for municipal roads, including cylinder Body, through drainpipe is connected with, the intracavity sidewall of the cylinder is provided with two groups or so pairs at the periphery middle part of the cylinder The first sliding rail claimed, and in the first sliding rail and drainpipe infall, the first sliding rail disconnects, and the intracavity bottom connection of the cylinder is set It is equipped with sludge tank, periphery wall and the first sliding rail of the sludge tank are slidably connected, and the top of the sludge tank connects setting There is filter sand plate, the top right side of the cylinder is connected with the second sliding rail, and the top left side of the cylinder is connected with limit Position block, the top slide of second sliding rail are connected with cover board, abut against at the top of the bottom left and limited block of the cover board, Be connected with motor and wire rewinding box at the top of the cover board, the motor is located at the left side of wire rewinding box, the wire rewinding box it is interior Chamber is horizontally rotated by bearing is connected with wire winding pole, and the left side of the wire winding pole is connected with the power output end of motor, described Wired mouth is opened up on cover board, the bottom of the cover board is rotatably connected to idler wheel by strut, and the periphery of the wire winding pole connects It connects and is provided with messenger wire, the messenger wire wears the top left side of thread passing port and idler wheel and is connected with the intracavity bottom of sludge tank, described Strut is provided on the left of limited block, the dynamic of the top turn of the strut is connected with bull stick, the periphery connection of the bull stick It is provided with rope ladder, rope ladder case is provided on the left of the strut, the rope ladder is located in rope ladder case.
Preferably, the filter sand plate includes plate body, and the center of the plate body offers thread passing port, is offered on the plate body Multiple groups are in the filter sand mouth of array-like distribution, are filtered the sand in rainwater into sludge tank by filter sand plate, convenient for the clear of mud Reason.
Preferably, the line mouth and the intracavity sidewall of thread passing port, which are all connected with, is provided with smooth washer, and smooth washer prevents from hanging Line is worn, and protects its service life.
Preferably, the diameter of the sludge tank is less than the diameter of cylinder, facilitates the taking-up of sludge tank.
Preferably, the rope ladder includes two groups of symmetrical pulling force ropes, is provided with multiple groups between pulling force rope described in two groups In the cross bar that array-like is distributed, and the distance between any two groups of cross bars are 30 centimetres, are entered in inspection shaft using rope ladder, are saved Space facilitates operation.
Preferably, the bottom of the idler wheel is higher than the inner cavity top of the second sliding rail, when cover board moves to the top of the second sliding rail When, idler wheel is located at the inner cavity of the second sliding rail at this time, convenient to lift by crane to sludge tank.
Compared with prior art, the beneficial effects of the present invention are: the present invention by being arranged rope ladder case, rope ladder case on the ground Positioned at the top left side of inspection shaft, it is provided with rope ladder in rope ladder case, when needing to enter in well, rope ladder is taken out of rope ladder case Out, it is put into cylinder, saves space, operator is facilitated to enter inner barrel operation;This device is set by the bottom in cylinder Sludge tank is set, filter sand plate is arranged in the top of sludge tank, and rainwater passes through the filtering of filter sand plate, and sand filtering is precipitated to sludge tank It is interior, drive messenger wire to lift by crane sludge tank by motor, for operator without going into the well, the convenient cleaning to mud saves the time, It is slided on the second sliding rail by cover board, is not necessarily to manual handling cover board, saves manpower and material resources, i.e., the present invention provides a kind of behaviour Make simple rainwater inspection well for municipal roads.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached Figure.
Fig. 1 is schematic structural view of the invention;
Fig. 2 is filter sand plate structural schematic diagram of the present invention;
Fig. 3 is cover board right view of the present invention;
Fig. 4 is rope ladder structural schematic diagram of the present invention.
In attached drawing, parts list represented by the reference numerals are as follows:
1- cylinder, 2- drainpipe, the first sliding rail of 3-, 4- sludge tank, 5- filter sand plate, 51- plate body, 52- thread passing port, 53- rate Husky mouth, the second sliding rail of 6-, 7- limited block, 8- cover board, 9- motor, 10- wire rewinding box, 11- wire winding pole, 12- line mouth, 13- idler wheel, 14- messenger wire, 15- strut, 16- bull stick, 17- rope ladder, 171- pulling force rope, 172- cross bar, 18- rope ladder case, the smooth washer of 19-.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: a kind of rainwater inspection well for municipal roads, including cylinder 1, Through drainpipe 2 is connected in the middle part of the periphery of cylinder 1, the intracavity sidewall of cylinder 1 is provided with two groups symmetrical first Sliding rail 3, and in the first sliding rail 3 and 2 infall of drainpipe, the first sliding rail 3 disconnects, and the intracavity bottom of cylinder 1 is connected with silt Mud box 4, the periphery wall of sludge tank 4 are slidably connected with the first sliding rail 3, and the top of sludge tank 4 is connected with filter sand plate 5, The top right side of cylinder 1 is connected with the second sliding rail 6, and the top left side of cylinder 1 is connected with limited block 7, the second sliding rail 6 Top slide be connected with cover board 8, the bottom left of cover board 8 and the top of limited block 7 abut against, and the connection of the top of cover board 8 is set It is equipped with motor 9 and wire rewinding box 10, motor 9 is located at the left side of wire rewinding box 10, and the inner cavity of wire rewinding box 10 horizontally rotates company by bearing It is connected to wire winding pole 11, the left side of wire winding pole 11 is connected with the power output end of motor 9, and wired mouth 12, cover board are opened up on cover board 8 8 bottom is rotatably connected to idler wheel 13 by strut, and the periphery of wire winding pole 11 is connected with messenger wire 14, and messenger wire 14 passes through The top left side of line mouth 12 and idler wheel 13 is simultaneously connected with the intracavity bottom of sludge tank 4, and the left side of limited block 7 is provided with strut 15, the dynamic of top turn of strut 15 is connected with bull stick 16, and the periphery of bull stick 16 is connected with rope ladder 17, a left side for strut 15 Side is provided with rope ladder case 18, and rope ladder 17 is located in rope ladder case 18.
Filter sand plate 5 includes plate body 51, and the center of plate body 51 offers thread passing port 52, and multiple groups are offered on plate body 51 in array The filter sand mouth 53 of shape distribution, is filtered the sand in rainwater into sludge tank 4 by filter sand plate 5, convenient for the cleaning of mud.
Line mouth 12 and the intracavity sidewall of thread passing port 52 are all connected with and are provided with smooth washer 19, and smooth washer 19 prevents messenger wire 14 It is worn, protects its service life, the diameter of sludge tank 4 is less than the diameter of cylinder 1, facilitates the taking-up of sludge tank 4.
Rope ladder 17 includes two groups of symmetrical pulling force ropes 171, and multiple groups are provided between two groups of pulling force ropes 171 in array-like The cross bar 172 of distribution, and the distance between any two groups of cross bars 172 are 30 centimetres, are entered in inspection shaft using rope ladder 17, are saved Space facilitates operation.
The bottom of idler wheel 13 is higher than the inner cavity top of the second sliding rail 6, when cover board 8 moves to the top of the second sliding rail 6, at this time Idler wheel 13 is located at the inner cavity of the second sliding rail 6, convenient to lift by crane to sludge tank 4.
One concrete application of the present embodiment are as follows: by being provided with two groups symmetrical in the intracavity sidewall of cylinder 1 One sliding rail 3, the intracavity bottom of cylinder 1 are connected with sludge tank 4, and the periphery wall of sludge tank 4 and the sliding of the first sliding rail 3 connect It connects, facilitates the lifting of sludge tank 4, the top of sludge tank 4 is provided with filter sand plate 5, rainwater penetrates filter sand plate 5, sand is filtered It stays in sludge tank 4, filtered rainwater is discharged from drainpipe 2, and the top of cylinder 1 is provided with cover board 8, and the top of cover board 8 is set It is equipped with motor 9 and wire rewinding box 10, motor 9 is located at the left side of wire rewinding box 10, inside the power output end and wire rewinding box 10 of motor 9 Wire winding pole 11 is connected, and the periphery of wire winding pole 11 is connected with messenger wire 14, messenger wire 14 pass through wire rewinding box 10 bottom and Line mouth 12 and the top left side for the idler wheel 13 for being located at 8 bottom of cover board on cover board 8 abut against, and the bottom of messenger wire 14 passes through filter sand plate Thread passing port 52 on 5 is connected with the intracavity bottom of sludge tank 4, starts motor 9, and the power output end of motor 9 drives wire winding pole 11 rotations drive messenger wire 14 to wind in the periphery of wire winding pole 11, drive the upward sliding on the first sliding rail 3 of sludge tank 4, side Just it is cleared up with the mud inside cylinder 1, when needing operator to go into the well, move right cover board 8, makes cover board 8 second It is slided on sliding rail 6, saves manpower, rope ladder case 18 is set in the top left side of cylinder 1, is provided with rope ladder 17 in rope ladder case 18, It is rotated by rope ladder 17 around bull stick 16, is put into well, operator is facilitated quickly to go into the well.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example. Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification, It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only It is limited by claims and its full scope and equivalent.

Claims (6)

1. a kind of rainwater inspection well for municipal roads, including cylinder (1), it is characterised in that: in the middle part of the periphery of the cylinder (1) Through being connected with drainpipe (2), the intracavity sidewall of the cylinder (1) is provided with two groups of symmetrical first sliding rails (3), and First sliding rail (3) and drainpipe (2) infall, the first sliding rail (3) disconnect, and the intracavity bottom of the cylinder (1) is connected with Sludge tank (4), periphery wall and the first sliding rail (3) of the sludge tank (4) are slidably connected, the top of the sludge tank (4) It is connected with filter sand plate (5), the top right side of the cylinder (1) is connected with the second sliding rail (6), the cylinder (1) Top left side is connected with limited block (7), and the top slide of second sliding rail (6) is connected with cover board (8), the cover board (8) it is abutted against at the top of bottom left and limited block (7), is connected with motor (9) and take-up at the top of the cover board (8) Case (10), the motor (9) are located at the left side of wire rewinding box (10), and the inner cavity of the wire rewinding box (10) horizontally rotates company by bearing It is connected to wire winding pole (11), the left side of the wire winding pole (11) is connected with the power output end of motor (9), on the cover board (8) It opens up wired mouth (12), the bottom of the cover board (8) is rotatably connected to idler wheel (13) by strut, the circle of the wire winding pole (11) All outsides are connected with messenger wire (14), and the messenger wire (14) wears the top left side of thread passing port (12) and idler wheel (13) and and mud The intracavity bottom of case (4) is connected, and is provided with strut (15) on the left of the limited block (7), and the top of the strut (15) turns It is dynamic be connected with bull stick (16), the periphery of the bull stick (16) is connected with rope ladder (17), a left side for the strut (15) Side is provided with rope ladder case (18), and the rope ladder (17) is located in rope ladder case (18).
2. a kind of rainwater inspection well for municipal roads according to claim 1, it is characterised in that: the filter sand plate (5) includes The center of plate body (51), the plate body (51) offers thread passing port (52), and multiple groups are offered on the plate body (51) in array-like The filter sand mouth (53) of distribution.
3. a kind of rainwater inspection well for municipal roads according to claim 1, it is characterised in that: the line mouth (12) and excessively line The intracavity sidewall of mouth (52), which is all connected with, is provided with smooth washer (19).
4. a kind of rainwater inspection well for municipal roads according to claim 1, it is characterised in that: the sludge tank (4) it is straight Diameter is less than the diameter of cylinder (1).
5. a kind of rainwater inspection well for municipal roads according to claim 1, it is characterised in that: the rope ladder (17) includes two Symmetrical pulling force rope (171) is organized, the cross bar that multiple groups are in array-like distribution is provided between pulling force rope described in two groups (171) (172), and the distance between any two groups of cross bars (172) are 30 centimetres.
6. a kind of rainwater inspection well for municipal roads according to claim 1, it is characterised in that: the bottom of the idler wheel (13) Higher than the inner cavity top of the second sliding rail (6).
CN201811230881.0A 2018-10-22 2018-10-22 A kind of rainwater inspection well for municipal roads Pending CN108999267A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811230881.0A CN108999267A (en) 2018-10-22 2018-10-22 A kind of rainwater inspection well for municipal roads

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811230881.0A CN108999267A (en) 2018-10-22 2018-10-22 A kind of rainwater inspection well for municipal roads

Publications (1)

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CN108999267A true CN108999267A (en) 2018-12-14

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109853711A (en) * 2018-12-28 2019-06-07 无锡市城归设计有限责任公司 A kind of rainwater-collecting inspection shaft of greenbelt
CN114411931A (en) * 2022-01-12 2022-04-29 广东睿流水务环境有限公司 Energy-saving electromechanical device for hydraulic engineering pump station

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CN107720582A (en) * 2017-10-23 2018-02-23 无锡凹凸自动化科技有限公司 A kind of safe capstan winch of crane
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CN207144115U (en) * 2017-08-10 2018-03-27 安徽福井环保科技有限公司 A kind of rainwater inspection well
CN207142710U (en) * 2017-08-15 2018-03-27 临沂矿业集团有限责任公司 Main ground connection pole plate checks lowering or hoisting gear in a kind of coal mine underground sump
CN207176873U (en) * 2017-08-10 2018-04-03 安徽福井环保科技有限公司 A kind of sundries blocking rainwater inspection well
CN207483217U (en) * 2017-11-02 2018-06-12 钟鸣 A kind of building crane
CN108179800A (en) * 2018-02-28 2018-06-19 仵社教 A kind of autocontrol sinks mud spoil disposal inspection shaft
CN108317051A (en) * 2018-04-05 2018-07-24 南京高传机电自动控制设备有限公司 A kind of blade of wind-driven generator transfer device
CN207727729U (en) * 2018-01-10 2018-08-14 黄河勘测规划设计有限公司 Domestic sewage in rural areas inspection shaft

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US4594153A (en) * 1985-02-21 1986-06-10 Smith & Loveless, Inc. Sewage pumping station
JP4810375B2 (en) * 2006-09-14 2011-11-09 下水道メンテナンス協同組合 Device for workers used for work in manholes such as sewer pipes and work method using the device
CN203782857U (en) * 2014-01-15 2014-08-20 湖北金马塑业有限公司 Sludge removal device for rainwater inspection well
CN103866841A (en) * 2014-02-12 2014-06-18 杨天人 Ground rainwater floor storage and seepage device
CN204252816U (en) * 2014-11-14 2015-04-08 重庆中重石油机械有限公司 Portable deep-well multifunctional rescue ladder
CN204662626U (en) * 2015-04-30 2015-09-23 江阴普顿塑胶有限公司 A kind of heavy mud manhole
CN205712446U (en) * 2016-04-27 2016-11-23 李晗 A kind of intercepting pollution for rainwater hanging basket device of improvement
CN205637055U (en) * 2016-05-07 2016-10-12 杭州天仁建设环境有限公司 A inspection shaft that catchments for constructed wetland
CN206188284U (en) * 2016-09-30 2017-05-24 东莞华创环保检测技术有限公司 Modified winding plant
CN206328838U (en) * 2016-12-29 2017-07-14 浙江国盛园林工程有限公司 A kind of rainwater inspection well
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CN207144115U (en) * 2017-08-10 2018-03-27 安徽福井环保科技有限公司 A kind of rainwater inspection well
CN207176873U (en) * 2017-08-10 2018-04-03 安徽福井环保科技有限公司 A kind of sundries blocking rainwater inspection well
CN207142710U (en) * 2017-08-15 2018-03-27 临沂矿业集团有限责任公司 Main ground connection pole plate checks lowering or hoisting gear in a kind of coal mine underground sump
CN107720582A (en) * 2017-10-23 2018-02-23 无锡凹凸自动化科技有限公司 A kind of safe capstan winch of crane
CN207483217U (en) * 2017-11-02 2018-06-12 钟鸣 A kind of building crane
CN207727729U (en) * 2018-01-10 2018-08-14 黄河勘测规划设计有限公司 Domestic sewage in rural areas inspection shaft
CN108179800A (en) * 2018-02-28 2018-06-19 仵社教 A kind of autocontrol sinks mud spoil disposal inspection shaft
CN108317051A (en) * 2018-04-05 2018-07-24 南京高传机电自动控制设备有限公司 A kind of blade of wind-driven generator transfer device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109853711A (en) * 2018-12-28 2019-06-07 无锡市城归设计有限责任公司 A kind of rainwater-collecting inspection shaft of greenbelt
CN114411931A (en) * 2022-01-12 2022-04-29 广东睿流水务环境有限公司 Energy-saving electromechanical device for hydraulic engineering pump station
CN114411931B (en) * 2022-01-12 2024-03-05 广东睿流水务环境有限公司 Energy-saving electromechanical device for hydraulic engineering pump station

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Application publication date: 20181214