CN106948378A - A kind of distance type automatic lifting inspection well cover - Google Patents
A kind of distance type automatic lifting inspection well cover Download PDFInfo
- Publication number
- CN106948378A CN106948378A CN201710250032.0A CN201710250032A CN106948378A CN 106948378 A CN106948378 A CN 106948378A CN 201710250032 A CN201710250032 A CN 201710250032A CN 106948378 A CN106948378 A CN 106948378A
- Authority
- CN
- China
- Prior art keywords
- well lid
- automatic lifting
- type automatic
- well cover
- 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
Links
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
- E02D29/14—Covers for manholes or the like; Frames for covers
-
- 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
- E02D29/1481—Security devices, e.g. indicating unauthorised opening
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)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention provides a kind of distance type automatic lifting inspection well cover, including crib, well lid and lowering or hoisting gear, the lower surface of well lid is provided with engaging lug, and top and the engaging lug of lowering or hoisting gear are hinged, and lowering or hoisting gear is Motorized lift device or hydraulic lift.The distance type automatic lifting inspection well cover that the present invention is provided, can remote control carry out automatic lifting, it is easy to operate, can according to actual needs underground carry out inspection well cover switching manipulation, it is safe.
Description
Technical field
The present invention relates to a kind of inspection well cover, more particularly to a kind of safe, easy to operate remote-controlled automatic lifting
Inspection well cover.
Background technology
A lot of underground pipings, such as sewer, underground gas pipeline, water supply pipe, power pipe are had in urban construction
Road, communication conduit, national defence pipeline etc., these pipelines will have an outlet for leading to ground every one section, by pipeline to ground
This section is referred to as inspection shaft, and catch pit port is generally concordant with ground, it is therefore desirable to a lid, for the lid of lid inspection shaft, is inspection shaft
Lid.
Traditional inspection well cover mainly has following two, and a kind of is the inspection well cover with concrete direct pouring, this basement
Well lid is covered on catch pit port in free shape;Another is iron-cast well lid, and one side of this inspection well cover is hinged on the one of catch pit port
Side.There is following defect in traditional inspection well cover:
1st, need to be by equipment just because above two inspection well cover is all heavier, and during maintainer's accessible pipe duct operation
Inspection well cover can be opened, operated cumbersome;
2nd, after maintainer's accessible pipe duct, it is impossible to automatically close inspection well cover, can only Awaiting Overhaul terminate maintainer's return
Walk out behind ground, inspection well cover could be covered to that well head being opened, danger is brought to pedestrian and vehicle;
3rd, ground, maintenance process can just be walked out because maintenance end maintainer need to return to that well head being opened
In, once there are the fortuitous events such as fire in pipe trench, maintainer is difficult to escape from rapidly, very dangerous.
The content of the invention
The technical problem to be solved in the present invention is to overcome existing defect there is provided a kind of distance type automatic lifting inspection well cover,
It is easy to operate, it is safe.
In order to solve the above-mentioned technical problem, the invention provides following technical scheme:
A kind of distance type automatic lifting inspection well cover, including crib, well lid and lowering or hoisting gear, the lower surface of the well lid are set
There is engaging lug, the top of the lowering or hoisting gear is hinged with the engaging lug, the lowering or hoisting gear is Motorized lift device or hydraulic pressure
Lowering or hoisting gear.
Further, the Motorized lift device includes being provided with the first connecting seat in first base, the first base,
Fixed mount is provided with first connecting seat, the fixed mount upper end is provided with screw sleeve, the fixed mount and is provided with liter
Motor drops, the lifting motor is connected with screw rod, the screw rod is arranged in the screw sleeve, the upper end of the screw rod with it is described
Engaging lug is hinged, and first connecting seat is hinged with the fixed mount, and the lifting motor is connected with electric cabinet.
Further, the lower surface edge of the well lid is connected by chain with the screw sleeve or underground wall, described
Screw rod upper end is set with splash guard.
Further, the hydraulic lift includes being provided with the second connecting seat in second base, the second base,
Fixed seat is provided with second connecting seat, the fixed seat upper end is provided with hydraulic thrust rod set, the hydraulic thrust rod set
Hydraulic push rod is provided with, the upper end of the hydraulic push rod is hinged with the engaging lug, the hydraulic thrust rod set is connected by oil pipe
There is hydraulic station, the hydraulic station is connected with motor, and the hydraulic station is provided with magnetic valve and pressure gauge, second connection
Seat is hinged with the fixed seat, and the motor is connected with electric cabinet.
Further, the lower surface edge of the well lid is connected by chain with the hydraulic thrust rod set or underground wall,
The hydraulic push rod upper end is set with splash guard.
Further, through hole is provided with the well lid, the through hole is provided with emergency alarm device, the emergent report
Alarm device includes box body and lid, and the box body is arranged in the well lid lower surface of the through hole, the box body and is provided with electricity
Joint, oily joint and some studs, the electric connection lower end are connected by electric wire with the motor, the oily joint lower end
It is connected by oil pipe with the hydraulic station, some circular holes, the circular hole position and the stud position is provided with the lid
Correspondence, the lid and box body are passed through the circular hole and screwed in and achieved a fixed connection in the stud by soket head cap screw.
Further, the emergency alarm device is provided with alarm device assembly, and the alarm device assembly includes battery, control
Device, buzzer and distance-sensor, the battery are connected with the controller, buzzer and distance-sensor respectively, the control
Device processed is connected with the buzzer and distance-sensor respectively.
Further, the well lid side is hinged with the crib.
Further, the upper surface of the well lid is provided with low groove.
Further, the upper surface of the well lid is provided with simulation lines, and the lower surface of the well lid is provided with reinforcement,
The lower surface edge of the well lid is provided with sealing joint strip.
A kind of distance type automatic lifting inspection well cover of the present invention, can remote control carry out automatic lifting, it is easy to operate, being capable of basis
It is actually needed and carries out the switching manipulation of inspection well cover in underground, it is safe.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and constitutes a part for specification, the reality with the present invention
Applying example is used to explain the present invention together, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the structural representation of the embodiment of the present invention 1;
Fig. 2 is the structural representation of the embodiment of the present invention 2;
Fig. 3 is the structural representation of the embodiment of the present invention 3;
Fig. 4 is the structural representation of the embodiment of the present invention 4;
Fig. 5 is the structural representation of the embodiment of the present invention 5;
Fig. 6 is the structural representation of the embodiment of the present invention 6;
Fig. 7 is the schematic top plan view of well lid in the embodiment of the present invention 7;
Fig. 8 is the elevational schematic view of well lid in the embodiment of the present invention 7.
Embodiment
The preferred embodiments of the present invention are illustrated below in conjunction with accompanying drawing, it will be appreciated that preferred reality described herein
Apply example to be merely to illustrate and explain the present invention, be not intended to limit the present invention.
Embodiment 1
As shown in figure 1, a kind of distance type automatic lifting inspection well cover, including crib 1, well lid 2 and lowering or hoisting gear, lowering or hoisting gear
For Motorized lift device, Motorized lift device includes being provided with the first connecting seat 4 in first base 3, first base 3, and first connects
Fixed mount 5 is provided with joint chair 4, the first connecting seat 4 is hinged with fixed mount 5, and the upper end of fixed mount 5 is provided with screw sleeve 6, fixed mount
Lifting motor 7 is provided with 5, lifting motor 7 is connected with screw rod 8, and screw rod 8 is arranged in screw sleeve 6, and the lower surface of well lid 2 is set
Engaging lug 9 is equipped with, upper end and the engaging lug 9 of screw rod 8 are hinged, and the side of well lid 2 is hinged with crib 1, and lifting motor 7 is connected with automatically controlled
Case (is not drawn into) in figure.
In use, by remote control control electric cabinet, and then lifting motor work is controlled, screw rod, which rises, opens well lid,
Be hinged due to connecting seat and fixed mount, the upper end of screw rod and engaging lug is hinged, well lid side and crib are hinged, well lid can be to being hinged
Side tilt, until reach default position, because well lid is tilted to side, be easy to staff to pass in and out, after terminating,
By remote control control electric cabinet, and then lifting motor reverse operation is controlled, screw rod, which declines, closes well lid, reaches default position
Postpone and a downward pulling force is applied to well lid, so as to strengthen sealing.
The upper end of screw rod 8 is set with splash guard 10, prevents that water from flowing into screw sleeve along screw rod, causes screw rod and screw sleeve to become rusty
Erosion.
The upper surface of well lid 2 is provided with low groove, for laying floor tile or filled bitumen, makes its ground with surrounding environment
It is consistent.
Embodiment 2
As shown in Fig. 2 the difference of embodiment 2 and embodiment 1 is:The lower surface edge of well lid 2 passes through chain 11 and spiral shell
Rod set 6 is connected.This configuration simplifies the attachment structure of well lid and crib, construction and operation are more flexible.
Embodiment 3
As shown in figure 3, the difference of embodiment 3 and embodiment 1 is:The lower surface edge of well lid 2 passes through chain 11 and well
Lower wall connection.This configuration simplifies the attachment structure of well lid and crib, construction and operation are more flexible.
Embodiment 4
As shown in figure 4, the difference of embodiment 4 and embodiment 1 is:Lowering or hoisting gear is hydraulic lift, hydraulic lifting
Device, which includes being provided with the second connecting seat 13, the second connecting seat 13 in second base 12, second base 12, is provided with fixed seat
14, the second connecting seat 13 is hinged with fixed seat 14, and the upper end of fixed seat 14 is provided with hydraulic thrust rod set 15, hydraulic thrust rod set 15 and set
Hydraulic push rod 16 is equipped with, hydraulic thrust rod set 15 is connected with hydraulic station 17 by oil pipe, and hydraulic station 17 is connected with motor 18, liquid
Pressure station 17 is provided with magnetic valve 19 and pressure gauge 20, and the lower surface of well lid 2 is provided with engaging lug 9, the upper end of hydraulic push rod 16 with
Engaging lug 9 is hinged, and the side of well lid 2 is hinged with crib 1, and motor 18 is connected with electric cabinet (being not drawn into figure).
In use, by remote control control electric cabinet, and then control motor work, motor control hydraulic station work
Make, hydraulic push rod, which rises, opens well lid, be hinged due to connecting seat and fixed mount, the upper end of hydraulic push rod and engaging lug are hinged,
Well lid side is hinged with crib, and well lid can be tilted to the side being hinged, until default position is reached, because well lid is rolled to one
Tiltedly, it is easy to staff to pass in and out, after terminating, by remote control control electric cabinet, and then controls motor reverse operation,
Motor controls hydraulic station reverse operation, and hydraulic push rod, which declines, closes well lid, reaches and well lid is applied behind default position
One downward pulling force, so as to strengthen sealing.
The upper end of hydraulic push rod 16 is set with splash guard 10, prevents that water from flowing into hydraulic pressure pushing rod sleeve along hydraulic push rod, causes liquid
Press push rod and hydraulic thrust rod set corrosion.
Through hole is provided with well lid 2, through hole is provided with emergency alarm device, and emergency alarm device includes box body 21 and box
Lid 22, box body 21, which is arranged in the lower surface of well lid 2 of through hole, box body 21, is provided with electric connection 23, oily joint 24 and four spiral shells
Post, the lower end of electric connection 23 is connected by electric wire with the output end of motor 18, and the oily lower end of joint 24 passes through oil pipe and hydraulic station
Four circular holes are provided with 17 output end connection, lid 22, circular hole position is corresponding with stud position, lid 22 and box body 21 are logical
Soket head cap screw is crossed to achieve a fixed connection through circular hole and screwing in stud., will when motor or hydraulic station break down
Lid is opened, and standby motor and hydraulic station are connected into electric connection and oily joint respectively, and well is completed using standby motor and hydraulic station
The unlatching of lid.
Emergency alarm device is provided with alarm device assembly, and alarm device assembly includes battery, controller, buzzer 25 and distance
Inductor, battery is connected with the controller, buzzer 25 and distance-sensor respectively, controller respectively with buzzer and distance
Inductor is connected.Distance-sensor is arranged on the lower surface of lid, the lid quilt in the case where unused remote control releases alarm
Open, distance-sensor transmits a signal to controller, controller control buzzer warning, buzzer is arranged on well lid lower box body
Lateral surface, is difficult to be destroyed by people and caused alarm to be interrupted.
Embodiment 5
As shown in figure 5, the difference of embodiment 5 and embodiment 4 is:The lower surface edge of well lid 2 passes through chain 11 and liquid
Pressure pushing rod sleeve 15 is connected.This configuration simplifies the attachment structure of well lid and crib, construction and operation are more flexible.
Embodiment 6
As shown in fig. 6, the difference of embodiment 5 and embodiment 4 is:The lower surface edge of well lid 2 passes through chain 11 and well
Lower wall connection.This configuration simplifies the attachment structure of well lid and crib, construction and operation are more flexible.
Embodiment 7
As shown in Figure 7,8, the difference of embodiment 7 and embodiment 4 is:The upper surface of well lid 2 and lid 22 is provided with mould
Intend lines 26, the lower surface of well lid 2 is provided with reinforcement 27, and the lower surface edge of well lid 2 is provided with sealing joint strip 28.Using erosion
Carve and local metal spraying fabrication techniques simulation lines, make it similar to the ground facial contour of surrounding environment, reinforcement is used to strengthen well lid
Bulk strength, sealing joint strip be used for prevent water carry out underground.
A kind of distance type automatic lifting inspection well cover of the present invention, can remote control carry out automatic lifting, it is easy to operate, being capable of basis
It is actually needed and carries out the switching manipulation of inspection well cover in underground, it is safe.
Finally it should be noted that:The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although the present invention is described in detail with reference to the foregoing embodiments, for a person skilled in the art, it still may be used
To be modified to the technical scheme described in foregoing embodiments, or to which part technical characteristic progress equivalent.
Within the spirit and principles of the invention, any modifications, equivalent substitutions and improvements made etc., should be included in the present invention's
Within protection domain.
Claims (10)
1. a kind of distance type automatic lifting inspection well cover, it is characterised in that:Including crib, well lid and lowering or hoisting gear, the well lid
Lower surface is provided with engaging lug, and the top of the lowering or hoisting gear is hinged with the engaging lug, and the lowering or hoisting gear is electric up-down
Device or hydraulic lift.
2. a kind of distance type automatic lifting inspection well cover according to claim 1, it is characterised in that:The Motorized lift device
Including first base, it is provided with the first base on the first connecting seat, first connecting seat and is provided with fixed mount, it is described
Fixed mount upper end is provided with screw sleeve, the fixed mount and is provided with lifting motor, and the lifting motor is connected with screw rod, described
Screw rod is arranged in the screw sleeve, and the upper end of the screw rod is hinged with the engaging lug, first connecting seat with it is described solid
Determine frame to be hinged, the lifting motor is connected with electric cabinet.
3. a kind of distance type automatic lifting inspection well cover according to claim 2, it is characterised in that:The lower surface of the well lid
Edge is connected by chain with the screw sleeve or underground wall, and the screw rod upper end is set with splash guard.
4. a kind of distance type automatic lifting inspection well cover according to claim 1, it is characterised in that:The hydraulic lift
Including second base, it is provided with the second base on the second connecting seat, second connecting seat and is provided with fixed seat, it is described
Fixed seat upper end is provided with hydraulic thrust rod set, the hydraulic thrust rod set and is provided with hydraulic push rod, the upper end of the hydraulic push rod
It is hinged with the engaging lug, the hydraulic thrust rod set is connected with hydraulic station by oil pipe, the hydraulic station is connected with motor,
The hydraulic station is provided with magnetic valve and pressure gauge, and second connecting seat is hinged with the fixed seat, and the motor connects
It is connected to electric cabinet.
5. a kind of distance type automatic lifting inspection well cover according to claim 4, it is characterised in that:The lower surface of the well lid
Edge is connected by chain with the hydraulic thrust rod set or underground wall, and the hydraulic push rod upper end is set with splash guard.
6. a kind of distance type automatic lifting inspection well cover according to claim 4, it is characterised in that:It is provided with the well lid
Through hole, the through hole is provided with emergency alarm device, and the emergency alarm device includes box body and lid, and the box body is set
It is provided with well lid lower surface in the through hole, the box body under electric connection, oily joint and some studs, the electric connection
End is connected by electric wire with the motor, and the oily joint lower end is connected by oil pipe with the hydraulic station, the lid
On be provided with some circular holes, the circular hole position is corresponding with the stud position, and the lid and box body pass through soket head cap screw
Achieved a fixed connection through the circular hole and screwing in the stud.
7. a kind of distance type automatic lifting inspection well cover according to claim 6, it is characterised in that:The emergency alarm device
Alarm device assembly is provided with, the alarm device assembly includes battery, controller, buzzer and distance-sensor, the battery point
Be not connected with the controller, buzzer and distance-sensor, the controller respectively with the buzzer and distance-sensor
Connection.
8. a kind of distance type automatic lifting inspection well cover according to claim 1, it is characterised in that:The well lid side and institute
Crib is stated to be hinged.
9. a kind of distance type automatic lifting inspection well cover according to claim 1, it is characterised in that:The upper surface of the well lid
It is provided with low groove.
10. a kind of distance type automatic lifting inspection well cover according to claim 1, it is characterised in that:The upper end of the well lid
Face is provided with simulation lines, and the lower surface of the well lid is provided with reinforcement, and the lower surface edge of the well lid is provided with sealing
Adhesive tape.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710250032.0A CN106948378A (en) | 2017-04-17 | 2017-04-17 | A kind of distance type automatic lifting inspection well cover |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710250032.0A CN106948378A (en) | 2017-04-17 | 2017-04-17 | A kind of distance type automatic lifting inspection well cover |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106948378A true CN106948378A (en) | 2017-07-14 |
Family
ID=59477103
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710250032.0A Pending CN106948378A (en) | 2017-04-17 | 2017-04-17 | A kind of distance type automatic lifting inspection well cover |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106948378A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107165197A (en) * | 2017-07-18 | 2017-09-15 | 中冶华天南京工程技术有限公司 | Pipe gallery escape well well lid |
CN107747326A (en) * | 2017-12-01 | 2018-03-02 | 秦皇岛市华勘智能科技有限公司 | Pipe gallery intelligent well cover system |
CN110409922A (en) * | 2019-07-29 | 2019-11-05 | 江苏拓轶智能科技有限公司 | A kind of passive magnetic induction smart well cover lock |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102208122A (en) * | 2011-06-10 | 2011-10-05 | 孟祥玉 | Intelligent anti-theft alarm device for inspection well cover of electronic product |
CN102628279A (en) * | 2012-04-30 | 2012-08-08 | 无锡市南泉环保工程设备厂 | Automatic lifting manhole cover |
CN205276327U (en) * | 2016-01-15 | 2016-06-01 | 江苏广吴建设园林有限公司 | A inspection shaft lid for shock attenuation formula among road engineering |
CN205314133U (en) * | 2016-01-15 | 2016-06-15 | 江苏广吴建设园林有限公司 | A inspection shaft lid that is arranged in road engineering shock attenuation and locking moving |
CN205823330U (en) * | 2016-07-19 | 2016-12-21 | 万象设计江苏有限责任公司 | A kind of tunnel lifting inspection well cover |
CN206800468U (en) * | 2017-04-17 | 2017-12-26 | 无锡观龙科技有限公司 | A kind of distance type automatic lifting inspection well cover |
-
2017
- 2017-04-17 CN CN201710250032.0A patent/CN106948378A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102208122A (en) * | 2011-06-10 | 2011-10-05 | 孟祥玉 | Intelligent anti-theft alarm device for inspection well cover of electronic product |
CN102628279A (en) * | 2012-04-30 | 2012-08-08 | 无锡市南泉环保工程设备厂 | Automatic lifting manhole cover |
CN205276327U (en) * | 2016-01-15 | 2016-06-01 | 江苏广吴建设园林有限公司 | A inspection shaft lid for shock attenuation formula among road engineering |
CN205314133U (en) * | 2016-01-15 | 2016-06-15 | 江苏广吴建设园林有限公司 | A inspection shaft lid that is arranged in road engineering shock attenuation and locking moving |
CN205823330U (en) * | 2016-07-19 | 2016-12-21 | 万象设计江苏有限责任公司 | A kind of tunnel lifting inspection well cover |
CN206800468U (en) * | 2017-04-17 | 2017-12-26 | 无锡观龙科技有限公司 | A kind of distance type automatic lifting inspection well cover |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107165197A (en) * | 2017-07-18 | 2017-09-15 | 中冶华天南京工程技术有限公司 | Pipe gallery escape well well lid |
CN107747326A (en) * | 2017-12-01 | 2018-03-02 | 秦皇岛市华勘智能科技有限公司 | Pipe gallery intelligent well cover system |
CN110409922A (en) * | 2019-07-29 | 2019-11-05 | 江苏拓轶智能科技有限公司 | A kind of passive magnetic induction smart well cover lock |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106948378A (en) | A kind of distance type automatic lifting inspection well cover | |
CN105804021B (en) | Hydraulic-driven landscape hinge movable dam system | |
CN206800468U (en) | A kind of distance type automatic lifting inspection well cover | |
CN109736848A (en) | Prevent two lining trolleys that vault comes to nothing and prevention vault comes to nothing construction method | |
CN206667293U (en) | A kind of automatic manhole lid device of hydraulic pressure applied to pipe gallery | |
CN206800470U (en) | A kind of electrodynamic type automatic lifting inspection well cover | |
CN208694102U (en) | Construction site high altitude firefighting water tank | |
CN206800469U (en) | A kind of fluid pressure type automatic lifting inspection well cover | |
CN206158656U (en) | Operation device is pressed in area | |
KR100748850B1 (en) | Structure and construction method of Fireplug lay under the ground | |
CN112523271A (en) | Pressure-controlled intelligent drainage pressure relief device and drainage pressure relief method thereof | |
CN207567823U (en) | Pipe gallery intelligent well cover | |
CN108978690A (en) | A kind of bridge steel cofferdam decentralization stand construction method | |
CN207562249U (en) | Comprehensively utilize the fire supply system of natural resources | |
CN207047910U (en) | A kind of Special manhole cover | |
CN207063121U (en) | A kind of emergency oil pond with water seal oil interceptor function | |
CN209637775U (en) | Prevent the two lining trolleys that vault comes to nothing | |
CN208381009U (en) | A kind of gate oil electric controller and control system | |
CN212162712U (en) | Pipeline connection node of assembly type building outer wall | |
CN213038326U (en) | Underwater water taking and draining port plugging device and plugging structure | |
CN207469314U (en) | A kind of hydraulic pressure manhole lid device | |
CN207130820U (en) | Above ground hydrant | |
CN206737106U (en) | Prefabricated pumping plant Lift-on/Lift-off System | |
CN111719506A (en) | Prefabricated pump station of integration | |
CN205276381U (en) | Fire hydrant water supply equipment |
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 | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170714 |