CN108589890A - A kind of dewatering in siphon type equipment - Google Patents

A kind of dewatering in siphon type equipment Download PDF

Info

Publication number
CN108589890A
CN108589890A CN201810458149.2A CN201810458149A CN108589890A CN 108589890 A CN108589890 A CN 108589890A CN 201810458149 A CN201810458149 A CN 201810458149A CN 108589890 A CN108589890 A CN 108589890A
Authority
CN
China
Prior art keywords
drain cap
fixedly installed
sliding
drainage
dewatering
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.)
Withdrawn
Application number
CN201810458149.2A
Other languages
Chinese (zh)
Inventor
余屹
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.)
Cixi Kai Cheng Machinery Technology Co Ltd
Original Assignee
Cixi Kai Cheng Machinery 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 Cixi Kai Cheng Machinery Technology Co Ltd filed Critical Cixi Kai Cheng Machinery Technology Co Ltd
Priority to CN201810458149.2A priority Critical patent/CN108589890A/en
Publication of CN108589890A publication Critical patent/CN108589890A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • E03F5/06Gully gratings
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/20Siphon pipes or inverted siphons
    • 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
    • E03F5/06Gully gratings
    • E03F2005/065Gully gratings with elastic locking elements
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/60Planning or developing urban green infrastructure

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Sink And Installation For Waste Water (AREA)

Abstract

The invention discloses a kind of dewatering in siphon type equipment, including the drainage pipeline being fixed at below gully, the drainage pipeline includes sewer, the outstanding pipe of level, standpipe and drainage tube, fixed ring is equipped with fixed ring stand on the gully inside middle portion wall, the fixed ring top of support is fixedly installed anticollision cushion rubber bumper, it is placed with drain cap at the top of the anticollision cushion rubber bumper, it is provided with accommodating cavity among the drain cap, symmetrical unicom is provided with sliding channel in the accommodating cavity, it is slidably connected with sliding locking rod in the sliding channel, the sliding channel bottom is provided with and communicated with guiding sliding groove;Overall structure of the present invention is simple, the installation and removal of drain cap are quite convenient to fast, the unlock of drain cap could be only realized using special steel pole, therefore drain cap is not easy to lose, drain cap fixation simultaneously prevents from loosening and causes security risk, and the drainage pipeline of syphon structure accelerates draining, drainage efficiency is improved, urban waterlogging is prevented.

Description

A kind of dewatering in siphon type equipment
Technical field
The present invention relates to municipal drainage field, more particularly to a kind of dewatering in siphon type equipment.
Background technology
Road drainage system refers to by a series of interceptions, drainage or excluding to jeopardize the surface water of highway and setting for underground water It applies, complete, the unimpeded drainage system for designing and being formed of making rational planning for is carried out in conjunction with condition along the line.Rainwater on road surface passes through gully Lower row is realized into drainage pipeline, and existing drainage pipeline drainage speed is slow, and the drain cap at present on road is only simple Overlap joint is placed in the fixing groove position of gully, and drain cap is easy to be loosened by outer force effect, beat, and there are security risks, and arranges Water cover is not locked and is easily lost, and gully is open extremely dangerous.
Invention content
Technical problem to be solved by the invention is to provide a kind of dewatering in siphon type equipment, can solve above-mentioned present skill The problems in art.
The present invention is achieved through the following technical solutions:A kind of dewatering in siphon type equipment of the present invention, including fixation The drainage pipeline being arranged below gully, the drainage pipeline include sewer, horizontal outstanding pipe, standpipe and drainage tube, described Fixed ring is equipped with fixed ring stand on gully inside middle portion wall, and the fixed ring top of support is fixedly installed anticollision cushion rubber bumper, It is placed with drain cap at the top of the anticollision cushion rubber bumper, is provided with accommodating cavity among the drain cap, in the accommodating cavity Symmetrical unicom is provided with sliding channel, and sliding locking rod is slidably connected in the sliding channel, and the sliding is logical Trench bottom is provided with and communicated with guiding sliding groove, and the sliding locking rod bottom is fixedly installed guiding sliding shoe, and the guiding is slided Motion block is put in the guiding sliding groove and the guiding sliding shoe is slidably connected with the guiding sliding groove, the guiding Top pressure spring, the guiding sliding shoe outer end are fixedly connected on the outside of sliding shoe lateral surface and the guiding sliding groove between inner wall Face is provided with slide guide inclined-plane, is provided with operating groove above the accommodating cavity, being fixedly installed in the operating groove inner bottom wall can The rotating base of rotation, the rotating base top surface are fixedly installed driving pedestal, hexagonal are offered at the top of the driving pedestal Connected in star, the pluggable section that is combined with of the hex-shaped recess is hexagonal steel pole, and behaviour is fixedly installed at the top of the steel pole Make handle, the rotating base bottom surface, which is fixedly connected, is provided with connecting rod, and the connecting rod extends downwardly into the accommodating cavity, The connecting rod is connect with the drain cap inner wall clearance fit, and the connecting rod bottom is fixedly installed drive rod, described Drive rod both ends are fixedly installed the top pressure round end with certain radian, and anti-skid device is provided in the operation handle.
It is symmetrically set in the gully as a preferred technical solution, corresponding with the sliding locking rod Permanent opening slot is fixedly installed induction acoustical generator in the permanent opening slot outer end wall, when the induction acoustical generator is touched Dynamic, the induction acoustical generator sends out prompt tone, and the drain cap is prompted to fix.
The operation handle and the steel pole are integrated as a preferred technical solution, collectively form operating parts.
The medium spacing of the drain cap is surrounded with multiple drainage holes, the drainage hole as a preferred technical solution, With anticollision cushion rubber bumper stagger setting in the vertical direction, the draining can be entered from the drainage hole so as to rainwater In pipeline.
The anti-skid device includes that fixation is set in the anti-skidding of the operation handle outer shroud as a preferred technical solution, Set, the Anti-slip cover are rubber material, and the Anti-slip cover periphery is provided with the rubber grain protrusion of enhancing skid resistance.
The beneficial effects of the invention are as follows:
1. when by being installed into drain cap in gully, drain cap being put into gully and is placed on fixed ring stand, it will Steel pole injects in hex-shaped recess, and degree rotation operation handle, operation handle drives driving pedestal and rotating base and connecting rod Rotation, connecting rod rotation drive drive rod rotation, drive rod rotation to drive the outside Slideslip of top pressure round end top pressure sliding locking rod, When operation handle completeness rotates, drive rod degrees of rotation to sliding locking rod parallel position, sliding locking rod is to both sides at this time It injects in permanent opening slot and completes the fixation of drain cap, to prevent drain cap loosening from causing security risk, and meanwhile it is anti-lost.
2. rainwater is entered from drainage hole in drainage pipeline by the drain cap in gully, water is added in standpipe by gravity The effect of speed, speed are accelerated suddenly, and riser top ends generate negative pressure, to generate siphon jet, accelerate drainage speed.
3. need to split out drain cap, staff injects steel pole in hex-shaped recess, degree rotation operation handle, operation Handle drives driving pedestal and rotating base and connecting rod rotation, connecting rod rotation to drive drive rod rotation, drive rod rotation Top pressure round end is driven to release the top pressure to sliding locking rod, sliding locking rod retraction sliding under the top pressure effect of top pressure spring is logical In slot, drain cap is picked up upwards at this time.
4. overall structure of the present invention is simple, the installation and removal of drain cap are quite convenient to fast, are only used specially Steel pole could realize the unlock of drain cap, therefore drain cap is not easy to lose, while drain cap fixation, prevent from loosening and cause to pacify The drainage pipeline of full hidden danger, syphon structure accelerates draining, improves drainage efficiency, prevents urban waterlogging.
Description of the drawings
The present invention is described in detail by following specific embodiment and attached drawing for ease of explanation,.
Fig. 1 is a kind of overall structure diagram of dewatering in siphon type equipment of the present invention;
Fig. 2 is the part-structure schematic diagram of the gully of the present invention;
Fig. 3 is the structural schematic diagram in sliding locking rod retraction sliding channel;
Fig. 4 is the cross-sectional structural schematic diagram of the drain cap of the present invention;
Fig. 5 is cross-sectional structural schematic diagram at the operating groove of the present invention.
Specific implementation mode
As shown in Figs. 1-5, a kind of dewatering in siphon type equipment of the invention, including it is fixed at the row of 10 lower section of gully Waterpipe 20, the drainage pipeline 20 include sewer 23, horizontal outstanding pipe 24, standpipe 25 and drainage tube 26, the gully 10 Fixed ring is equipped with fixed ring stand 21 on inside middle portion wall, and 21 top surface of fixed ring stand is fixedly installed anticollision cushion rubber bumper 22, 22 top of the anticollision cushion rubber bumper is placed with drain cap 30, and accommodating cavity 35, the appearance are provided among the drain cap 30 Symmetrical unicom in cavity 35 of receiving is provided with sliding channel 38, and slide lock is slidably connected in the sliding channel 38 Bar 39,38 bottom of the sliding channel, which is provided with and communicated with, is oriented to sliding groove 36, and 39 bottom of the sliding locking rod is fixedly installed It is oriented to sliding shoe 32, the guiding sliding shoe 32 is put in the guiding sliding groove 36 and the guiding sliding shoe 32 is led with described It is slidably connected to sliding groove 36, it is solid between 32 lateral surface of guiding sliding shoe and the 36 outside inner wall of guiding sliding groove Surely it is connected with top pressure spring 31,32 outer end face of guiding sliding shoe is provided with slide guide inclined-plane, and 35 top of the accommodating cavity is set It is equipped with operating groove 46, rotatable rotating base 41, the rotating base 41 are fixedly installed in 46 inner bottom wall of the operating groove Top surface is fixedly installed driving pedestal 42, and 42 top of the driving pedestal offers hex-shaped recess 43, the hex-shaped recess The 43 pluggable sections that are combined with are hexagonal steel pole 45, and the top of the steel pole 45 is fixedly installed operation handle 44, described turn 41 bottom surface of moving base, which is fixedly connected, is provided with connecting rod 47, and the connecting rod 47 extends downwardly into the accommodating cavity 35, described Connecting rod 47 is connect with 30 inner wall clearance fit of the drain cap, and 47 bottom of the connecting rod is fixedly installed drive rod 34, 34 both ends of the drive rod are fixedly installed the top pressure round end 33 with certain radian, are provided in the operation handle 44 anti-skidding Device.
Wherein, permanent opening slot corresponding with the sliding locking rod 39 is symmetrically set in the gully 10 37, induction acoustical generator 40 is fixedly installed in 37 outer end wall of permanent opening slot, when the induction acoustical generator 40 is touched, The induction acoustical generator 40 sends out prompt tone, and the drain cap 30 is prompted to fix.
Wherein, the operation handle 44 and the steel pole 45 are integrated, and collectively form operating parts.
Wherein, 30 medium spacing of the drain cap is surrounded with multiple drainage holes 48, and the drainage hole 48 is prevented with described The stagger setting in the vertical direction of cushion rubber bumper 22 is hit, can enter the drainage pipeline from the drainage hole 48 so as to rainwater In 20.
Wherein, the anti-skid device includes the fixed Anti-slip cover 441 for being set in 44 outer shroud of the operation handle, described anti-skidding Set 441 is rubber material, and 441 periphery of the Anti-slip cover is provided with the rubber grain protrusion of enhancing skid resistance.
When original state, the drain cap 30 is not installed into the gully 10, the drive rod 34 and the sliding Locking level 39 is in plumbness, and the sliding locking rod 39 shrinks in the sliding under the top pressure effect of the top pressure spring 31 In straight slot 38.
When needing to be installed into the drain cap 30 in the gully 10, the drain cap 30 is put into the gully It in 10 and is placed on the fixed ring stand 21, the steel pole 45 is injected in the hex-shaped recess 43, described in 90 degree of rotations Operation handle 44, the operation handle 44 drive the driving pedestal 42 and the rotating base 41 and 47 turns of the connecting rod Dynamic, the rotation of the connecting rod 47 drives the drive rod 34 to rotate, and the rotation of the drive rod 34 drives the top pressure round end 33 to push up 39 outside Slideslip of the sliding locking rod is pressed, when the operation handle 44 completes 90 degree of rotations, the rotation of the drive rod 34 90 Spend with 39 parallel position of the sliding locking rod, at this time the sliding locking rod 39 inject the permanent opening slot 37 to both sides It is middle to complete the fixation of the drain cap 30, then the steel pole 45 is extracted from the hex-shaped recess 43, the drive rod 34 Appoint the top pressure so kept to the sliding locking rod 39, to prevent the loosening of the drain cap 30 from causing security risk, prevents simultaneously It loses;
Rainwater is entered from the drainage hole 48 in the drainage pipeline 20 by the drain cap 30 in the gully 10, water It is acted on by acceleration of gravity in the standpipe 25, speed is accelerated suddenly, and 25 top of the standpipe generates negative pressure, to produce Raw siphon jet, accelerates drainage speed.
When needing to split out the drain cap 30, staff injects the steel pole 45 in the hex-shaped recess 43, and 90 Degree rotates the operation handle 44, and the operation handle 44 drives the driving pedestal 42 and the rotating base 41 and described Connecting rod 47 rotates, and the rotation of the connecting rod 47 drives the drive rod 34 to rotate, and the rotation of the drive rod 34 drives the top Round end 33 is pressed to release the top pressure to the sliding locking rod 39, the sliding locking rod 39 is made in the top pressure of the top pressure spring 31 With in the lower sliding channel 38 of retracting, the drain cap 30 is picked up upwards at this time.
The beneficial effects of the invention are as follows:
1. when by being installed into drain cap in gully, drain cap being put into gully and is placed on fixed ring stand, it will Steel pole injects in hex-shaped recess, and degree rotation operation handle, operation handle drives driving pedestal and rotating base and connecting rod Rotation, connecting rod rotation drive drive rod rotation, drive rod rotation to drive the outside Slideslip of top pressure round end top pressure sliding locking rod, When operation handle completeness rotates, drive rod degrees of rotation to sliding locking rod parallel position, sliding locking rod is to both sides at this time It injects in permanent opening slot and completes the fixation of drain cap, to prevent drain cap loosening from causing security risk, and meanwhile it is anti-lost.
2. rainwater is entered from drainage hole in drainage pipeline by the drain cap in gully, water is added in standpipe by gravity The effect of speed, speed are accelerated suddenly, and riser top ends generate negative pressure, to generate siphon jet, accelerate drainage speed.
3. need to split out drain cap, staff injects steel pole in hex-shaped recess, degree rotation operation handle, operation Handle drives driving pedestal and rotating base and connecting rod rotation, connecting rod rotation to drive drive rod rotation, drive rod rotation Top pressure round end is driven to release the top pressure to sliding locking rod, sliding locking rod retraction sliding under the top pressure effect of top pressure spring is logical In slot, drain cap is picked up upwards at this time.
4. overall structure of the present invention is simple, the installation and removal of drain cap are quite convenient to fast, are only used specially Steel pole could realize the unlock of drain cap, therefore drain cap is not easy to lose, while drain cap fixation, prevent from loosening and cause to pacify The drainage pipeline of full hidden danger, syphon structure accelerates draining, improves drainage efficiency, prevents urban waterlogging.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any The change or replacement expected without creative work, should be covered by the protection scope of the present invention.Therefore, of the invention Protection domain should be determined by the scope of protection defined in the claims.

Claims (5)

1. a kind of dewatering in siphon type equipment, including it is fixed at the drainage pipeline below gully, it is characterised in that:The row Waterpipe includes sewer, horizontal outstanding pipe, standpipe and drainage tube, and fixed ring is equipped with fixed ring on the gully inside middle portion wall Frame, the fixed ring top of support are fixedly installed anticollision cushion rubber bumper, are placed with drain cap at the top of the anticollision cushion rubber bumper, institute It states and is provided with accommodating cavity among drain cap, symmetrical unicom is provided with sliding channel, the sliding in the accommodating cavity Sliding locking rod is slidably connected in straight slot, the sliding channel bottom is provided with and communicated with guiding sliding groove, the sliding Locking level bottom is fixedly installed guiding sliding shoe, and the guiding sliding shoe is put in the guiding sliding groove and the guiding is slided Motion block is slidably connected with the guiding sliding groove, the guiding sliding shoe lateral surface and inner wall on the outside of the guiding sliding groove Between be fixedly connected with top pressure spring, the guiding sliding shoe outer end face is provided with slide guide inclined-plane, is set above the accommodating cavity It is equipped with operating groove, rotatable rotating base is fixedly installed in the operating groove inner bottom wall, the rotating base top surface is fixed It is provided with driving pedestal, hex-shaped recess is offered at the top of the driving pedestal, pluggable be combined with of the hex-shaped recess is cut Face is hexagonal steel pole, is fixedly installed operation handle at the top of the steel pole, the rotating base bottom surface is fixedly connected with setting There are connecting rod, the connecting rod to extend downwardly into the accommodating cavity, the connecting rod is matched with the drain cap inner wall body space Connection is closed, the connecting rod bottom is fixedly installed drive rod, and the drive rod both ends are fixedly installed with certain radian Top pressure round end is provided with anti-skid device in the operation handle.
2. dewatering in siphon type equipment according to claim 1, it is characterised in that be symmetrically set in the gully Permanent opening slot corresponding with the sliding locking rod is fixedly installed induction sounding in the permanent opening slot outer end wall Device, when the induction acoustical generator is touched, the induction acoustical generator sends out prompt tone, and the drain cap is prompted to fix.
3. dewatering in siphon type equipment according to claim 1, it is characterised in that:The operation handle and the steel pole are one Body structure, collectively forms operating parts.
4. dewatering in siphon type equipment according to claim 1, it is characterised in that:The medium spacer ring of drain cap is around setting There are multiple drainage holes, the drainage hole and the anticollision cushion rubber bumper stagger setting in the vertical direction, so as to rainwater energy Enter in the drainage pipeline from the drainage hole.
5. dewatering in siphon type equipment according to claim 1, it is characterised in that:The anti-skid device includes that fixation is set in The Anti-slip cover of the operation handle outer shroud, the Anti-slip cover are rubber material, and the Anti-slip cover periphery is provided with enhancing skid resistance Rubber grain protrusion.
CN201810458149.2A 2018-05-14 2018-05-14 A kind of dewatering in siphon type equipment Withdrawn CN108589890A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810458149.2A CN108589890A (en) 2018-05-14 2018-05-14 A kind of dewatering in siphon type equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810458149.2A CN108589890A (en) 2018-05-14 2018-05-14 A kind of dewatering in siphon type equipment

Publications (1)

Publication Number Publication Date
CN108589890A true CN108589890A (en) 2018-09-28

Family

ID=63637494

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810458149.2A Withdrawn CN108589890A (en) 2018-05-14 2018-05-14 A kind of dewatering in siphon type equipment

Country Status (1)

Country Link
CN (1) CN108589890A (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201339199Y (en) * 2008-11-14 2009-11-04 杨继敏 Self-locking drainage anti-theft well lid and unlocking device
KR100952924B1 (en) * 2010-01-11 2010-04-16 현대주철산업 주식회사 Apparatus for locking a manhole cover
CN204940501U (en) * 2015-09-17 2016-01-06 成都易信达科技股份有限公司 A kind of drainage manhole cover
CN206267231U (en) * 2016-12-01 2017-06-20 河北卓邦建设工程有限公司 A kind of dewatering in siphon type filter for urban road
CN206635815U (en) * 2017-03-24 2017-11-14 宋丽萍 A kind of municipal works well lid
CN107447787A (en) * 2017-03-01 2017-12-08 广州裬钊交通设备有限公司 A kind of town road catch basin cover of stabilization
CN107447789A (en) * 2017-03-01 2017-12-08 广州裬钊交通设备有限公司 One kind installation labour-saving inspection well cover
CN107503378A (en) * 2017-09-02 2017-12-22 孟祖钢 A kind of modified city road inspection shaft lid arrangement
CN207160197U (en) * 2017-08-11 2018-03-30 中铁建设集团有限公司 A kind of hydrocone type rain perforaled strainer drainage system

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201339199Y (en) * 2008-11-14 2009-11-04 杨继敏 Self-locking drainage anti-theft well lid and unlocking device
KR100952924B1 (en) * 2010-01-11 2010-04-16 현대주철산업 주식회사 Apparatus for locking a manhole cover
CN204940501U (en) * 2015-09-17 2016-01-06 成都易信达科技股份有限公司 A kind of drainage manhole cover
CN206267231U (en) * 2016-12-01 2017-06-20 河北卓邦建设工程有限公司 A kind of dewatering in siphon type filter for urban road
CN107447787A (en) * 2017-03-01 2017-12-08 广州裬钊交通设备有限公司 A kind of town road catch basin cover of stabilization
CN107447789A (en) * 2017-03-01 2017-12-08 广州裬钊交通设备有限公司 One kind installation labour-saving inspection well cover
CN206635815U (en) * 2017-03-24 2017-11-14 宋丽萍 A kind of municipal works well lid
CN207160197U (en) * 2017-08-11 2018-03-30 中铁建设集团有限公司 A kind of hydrocone type rain perforaled strainer drainage system
CN107503378A (en) * 2017-09-02 2017-12-22 孟祖钢 A kind of modified city road inspection shaft lid arrangement

Similar Documents

Publication Publication Date Title
CN108360653B (en) A kind of drainage equipment
CN104763449B (en) A kind of underground water seal cave depot water curtain system method for designing
CN104404991B (en) The usage of deep hole excavator
CN208701697U (en) A kind of narrow foundation trench adjustable supporting device
CN108589890A (en) A kind of dewatering in siphon type equipment
CN109083200A (en) A kind of Submersed type inspection well and its construction method
CN208844620U (en) High and cold Special servo-actuated well lid
CN208329875U (en) A kind of vertical lever fixing apparatus of guardrail cylindrical body
CN107604950A (en) A kind of antitheft town road well lid of deodorization
KR102082086B1 (en) A manhole lock aparatus for handle contract
CN104294806B (en) Excavation, diversion and drainage method for inter-pile water above water-resisting layer of deep foundation pit
KR20090000187U (en) Road Boundary Stone possible to plant
CN112343654A (en) Maintainable drainage system for extremely water-rich stratum tunnel and tunnel
CN206830205U (en) A kind of segment type annular baffle device for water for being used to quickly administer treatment technology for tunnel seepage water problems
WO2018221154A1 (en) Water gate and discharge method for water gate
CN206052752U (en) A kind of miniature sand drain sand pocket joint drainage device
CN213358632U (en) Soil body reinforcing apparatus for deep and large foundation ditch under finite space
CN208717965U (en) Manhole cover anti-theft mechanism
CN208899608U (en) A kind of anti-fall drainage inspection well
CN206844156U (en) A kind of inspection shaft anti-fall device
JP2008223337A (en) Foundation pile construction method, and washing device of hollow pile inner peripheral wall used in construction method
CN206438560U (en) The antitheft concrete protection pipe of assembled
CN205975689U (en) Airtight theftproof inspection shaft lid
JPH11158861A (en) Method for draining underground water
CN109487886A (en) The siphon drainge system of underground garage

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20180928