CN206706952U - Sewer automates drainage system - Google Patents
Sewer automates drainage system Download PDFInfo
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- CN206706952U CN206706952U CN201720494075.9U CN201720494075U CN206706952U CN 206706952 U CN206706952 U CN 206706952U CN 201720494075 U CN201720494075 U CN 201720494075U CN 206706952 U CN206706952 U CN 206706952U
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- switch
- sewer
- lowering
- hoisting gear
- well lid
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Abstract
The utility model discloses sewer to automate drainage system, including sewer, it is located at the well lid of sewer mouth, control cabinet, fixing device and at least one lowering or hoisting gear, fixing device includes the connecting plate that lowering or hoisting gear one end is respectively and fixedly provided with, all connecting plates are respectively and fixedly provided with the fixed seat for being fixed on sewer inwall, the other end of lowering or hoisting gear is connected with well lid, transformer is provided with control cabinet, battery and switch module, lowering or hoisting gear is electrically connected by first switch with transformer output end, lowering or hoisting gear is connected by second switch with storage battery, transformer inputs are connected with civil power, well lid is provided with warning lamp, anti-drop net is installed between well lid and sewer mouth, the well lid that can be made by button or Digiplex rises ponding of draining, and it is provided with warning lamp and anti-drop net；Using 24V voltages, securely and reliably；Effectively avoid a large amount of ponding from being damaged to caused by public place, preferably protect people's property and public property safety.
Description
Technical field
The utility model belongs to electromechanical automatic apparatus field, and in particular to sewer automates drainage system.
Background technology
With the development of modern society, the effect in urban underground water drainage pipe road becomes more and more important.It is well known that cement
A large amount of use of concrete reduces absorbability of the road surface to rainwater, so as to increase the discharge pressure of subsoil drain.
Existing drainage pipeline is in that the well mouth of drainage well being connected with drainage pipeline is located at road surface in the netted ground being laid under road surface
On, drainage manhole cover is then covered at well mouth of drainage well, currently used drainage manhole cover generally use integral structure, and draining
Connectionless between well lid and gully, both are relatively fixed position, in addition, it is relatively elaborate when moving drainage manhole cover, and seldom beat
Open.Although the drainage manhole cover of this structure can play draining, covering gully and protection road surface row when rainfall is smaller
People and the effect of vehicle, if but rainfall exceed drainage pipeline oepration at full load ability if, a large amount of ponding will occur in road surface,
The drainage manhole cover of this integral structure will expose some problems in this case：The water pressure of drainage pipeline is possible to
Well lid is jacked up and washed away by rainwater, and at this moment at gully without warning mark, so that gully turns into pedestrian and Che
Trap, so security is poor；Further, since rainwater can not exclude in time, and there are a large amount of ponding around gully, and this
Kind integral type drainage manhole cover can not automatically open up again, therefore not possess the effect of assisted drainage, present old-fashioned drainage system
It can not fulfill City's Request, the arrival for extra torrential rain and rainy season can all produce a large amount of products in some regions in city
Water, or even waterlogging, brought about great losses to public property and people's property safety.
Utility model content
The purpose of this utility model is that providing sewer automates drainage system, and heavy rain arrives to pass through button or wireless remote
The well lid that control device can make to be submerged in underwater rapidly rises the ponding that can drain rapidly, and is provided with warning lamp, to holdee and
Vehicle plays alarming effect；Using 24V voltages, injury that will not be caused by reason of leaking electricity to personnel, securely and reliably；Well lid is with
Water channel, which is connected firmly, to be flushed away, and anti-drop net is provided between well lid and sewer, effectively can prevent personnel from falling into；Effectively
Avoid a large amount of ponding from being damaged to caused by the public places such as trade company, house owed by a citizen, greenbelt and street lamp, preferably protect people's property and
Public property safety.
For the above-mentioned purpose, major technique solution of the present utility model is to provide sewer automation drainage system,
Include including sewer, the well lid for being located at sewer mouth, control cabinet, fixing device and at least one lowering or hoisting gear, fixing device
The connecting plate that lowering or hoisting gear one end is respectively and fixedly provided with, all connecting plates are respectively and fixedly provided with the fixed seat for being fixed on sewer inwall, lifting
The other end of device is connected with well lid, and transformer, battery, first switch and second switch, lowering or hoisting gear are provided with control cabinet
Electrically connected by first switch with transformer output end, lowering or hoisting gear is connected by second switch with storage battery, and transformer is defeated
Enter end and be connected with civil power.
The lowering or hoisting gear includes lifting column and the sleeve pipe being set in outside lifting column, and lifting column is waterproof of the prior art
Type Motorized lift device, Pneumatic power elevator apparatus and hydraulic lift, the control for being capable of reception control box are raised and lowered,
Meeting the needs of big draining, avoid waterlogging, sleeve pipe includes inner sleeve and the outer tube being slidably set in outside inner sleeve,
Outer tube it is intraoral by being located at outer tube first in backing plate fixed with lifting column one end, backing plate and well lid pass through first in first
Outer backing plate is fixed, and inner sleeve is connected by buffer unit with backing plate in second, and backing plate pads outside with connecting plate by second in second
Plate is fixed, the long strip type slide opening and be threadedly coupled through slide opening with backing plate in second slow that buffer unit is provided with including inner sleeve tube wall
Bolt is rushed, and leaves at least 5mm's between inner sleeve and the second outer backing plate and in the lifting column other end and second between backing plate
Distance is used as buffering area, and the lifting column other end is provided with screw rod, and backing plate is provided with the sliding sleeve being slidably set in outside screw rod, well in second
Cover and produced under weight when sinking deformation, stress declines simultaneously for sleeve pipe and lifting column, and buffering area reduces, and slide opening is relative to buffering spiral shell
Bolt declines screw rod simultaneously and declined relative to sliding sleeve, and well lid deformation recovers, and stress moves up recovery, buffering area simultaneously for sleeve pipe and lifting column
Become big to recover, so far complete once to buffer, so as to the well lid that effectively prevent lowering or hoisting gear with deformation of sinking is produced under weight
Direct rigid contact caused may damage.
Urban road surrounding environment allow in the case of the control cabinet be arranged on well lid bypass face greenbelt in or
On electric pole, it is easy to maintenance in use, the connecting line between lowering or hoisting gear and transformer output end, battery buries cloth
In underground.
The charger to charge a battery, the power input of charger and the circuit of electric pole are provided with the control cabinet
Connection, the circuit daytime of electric pole, there was electricity at night without electricity, and night can charge to battery, when heavy rain causes urban parts
Circuit Interrupt, when transformer output end can not power to lowering or hoisting gear, it can be powered by battery to lowering or hoisting gear, ensure well
Lid can rise opening draining under any circumstance.
The control cabinet is located in sewer and is fixed on well lid bottom, and the control cabinet is waterproofing design, is in well lid
Neighbouring road surface condition does not allow a kind of mode used in the case of installing control cabinet, does not interfere with ring around urban road
Border.
The transformer is the transformer that 220V high pressures are changed into 24V safety low-pressures, and lowering or hoisting gear uses 24V voltages, institute
The injury that battery will not be caused by reason of leaking electricity to personnel is stated, securely and reliably.
The well lid is provided with the warning lamp lighted with the startup of lowering or hoisting gear, and warning lamp is connected with lowering or hoisting gear, in well
Warning lamp is lighted after lid departs from sewer mouth, and alarming effect is played to holdee and vehicle, and lowering or hoisting gear resets and stops work
Warning lamp is closed when making.
Anti-drop net is installed between the well lid and sewer mouth, effectively can prevent personnel from falling into.
Remote control module is provided with the control cabinet, remote control module includes Digiplex, single-chip microcomputer, power supply mould
The 24V low pressure that the output end connection of block and reception of wireless signals module, power module input and transformer exports transformer
Further reduce and give remote control module power supply, the first switch and second switch are relay, the input of first switch
End, the input of second switch and reception of wireless signals module are pressed with monolithic mechatronics, Digiplex provided with switch respectively
Key and wireless signal transmitting module, after heavy rain arriving, municipal personnel look for well lid without holding water under well hook, it is only necessary to use nothing
Line remote control presses switch key transmitting wireless signal, and single-chip microcomputer receives wireless signal control by reception of wireless signals module
First switch or second switch closure are powered, and so as to start lowering or hoisting gear, the well lid for being submerged in underwater is risen and is arranged rapidly
Fall ponding.
The transformer output end is connected by the 3rd switch with lowering or hoisting gear, and battery is filled by the 4th switch with lifting
Connection is put, the 3rd switch and the 4th switch are button switch or knife switch etc., and the switch of normal conditions the 3rd and the 4th switch are equal
For off-state, in the case that first switch and second switch relay failure or remote control damage are lost, can directly pass through
3rd switch and the 4th switch are controlled manually.
The well lid and the first outer backing plate are connected by fixing bolt through the screw that well lid is provided with, when system breaks down
When, well lid is separated with the first outer backing plate outside road surface, is easy to safeguard.
The connecting plate both ends are respectively equipped with adjustment hole, and fixed seat is consolidated by the fixing bolt through adjustment hole with connecting plate
It is fixed, connecting plate is can adjust by adjusting position of the fixing bolt in adjustment hole and its entirety of fixed seat that both ends are connected with
Width, so as to adapt to different sewer internal diameters.
The utility model beneficial effect is：Heavy rain arrives can make rapidly to be submerged in underwater by button or Digiplex
Well lid rise and can drain rapidly ponding, and be provided with warning lamp, alarming effect played to holdee and vehicle；Using 24V
Voltage, injury that will not be caused by reason of leaking electricity to personnel, securely and reliably；Well lid is connected firmly with sewer and will not be flushed away,
And anti-drop net is installed between well lid and sewer, effectively it can prevent personnel from falling into；A large amount of ponding are effectively avoided to trade company, the people
Infringement caused by the public places such as room, greenbelt and street lamp, preferably protect people's property and public property safety.
Brief description of the drawings
Fig. 1 is the structural representation of the closed mode of embodiment 1；
Fig. 2 is the structural representation of the opening of embodiment 1；
Fig. 3 is the structural representation of the closed mode of embodiment 2；
Fig. 4 is the structural representation of the opening of embodiment 2；
Fig. 5 is the structural representation of the closed mode of embodiment 3；
Fig. 6 is the structural representation of the opening of embodiment 3；
Fig. 7 is the structural representation of the closed mode of embodiment 4；
Fig. 8 is the structural representation of the opening of embodiment 4；
Fig. 9 is the positive structure diagram of the well lid of embodiment 1, lowering or hoisting gear and buffer unit；
Figure 10 is the side view enlarged drawing of the buffer unit part of embodiment 1；
In figure：1 well lid, 2. sewers, 3. lowering or hoisting gears, 4. fixed seats, 5. connecting plates, 6. control cabinets, 7. warning lamps, 8.
Control line, 9. road surfaces, 10. fixing bolts, 11. support bars, 12. fixed mounts, 13. greenbelts, 14. lifting columns, 15. anti-drop nets,
16. inner sleeve, 17. outer tubes, backing plate in 18. first, 19. first outer backing plates, backing plate in 20. second, 21. second outer backing plates,
22. slide opening, 23. buffering bolts, 24. buffering areas, 25. screw rods, 26. sliding sleeves, 27. adjustment holes.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, every other embodiment that those of ordinary skill in the art are obtained all belongs to
In the scope of the utility model protection.
Embodiment 1
As depicted in figs. 1 and 2, the sewer automation drainage system described by the present embodiment, including sewer 2, be located at
Well lid 1, control cabinet 6, fixing device and the lowering or hoisting gear 3 that 2 mouthfuls of sewer, fixing device are fixed with including the one end of lowering or hoisting gear 3
Connecting plate 5, connecting plate 5 is fixed with the fixed seat 4 for being fixed on the inwall of sewer 2 by fixing bolt 10, lowering or hoisting gear 3
The other end is connected with well lid 1 by fixing bolt 10, and transformer (not shown), battery are provided with control cabinet 6 (in figure not
Show), first switch and second switch, lowering or hoisting gear 3 electrically connected by first switch with transformer output end, lowering or hoisting gear 3
It is connected by second switch with storage battery, transformer inputs are connected with civil power.
As shown in Figure 9 and Figure 10, the lowering or hoisting gear 3 includes lifting column 14 and the sleeve pipe being set in outside lifting column 14, rises
It is water proof type Motorized lift device, Pneumatic power elevator apparatus and hydraulic lift of the prior art to drop post 14, can receive control
The control of case 6 processed is raised and lowered, and meets the needs of big draining, avoids waterlogging, and sleeve pipe includes inner sleeve 16 and can
Slide the outer tube 17 being set in outside inner sleeve 16, outer tube 17 it is intraoral by being located at outer tube 17 first in backing plate 18 with
The one end of lifting column 14 is fixed, and backing plate 18 is fixed with well lid 1 by the first outer backing plate 19 in first, and inner sleeve 16 passes through buffer unit
It is connected with backing plate in second 20, backing plate 20 is fixed with connecting plate 5 by the second outer backing plate 21 in second, and buffer unit includes inner sleeve
Long strip type slide opening 22 that the wall of pipe 16 is provided with and the buffering bolt 23 being threadedly coupled through slide opening 22 with backing plate in second 20, and inner sleeve
The distance for leaving at least 5mm between 16 and second outer backing plate 21 of pipe and in the other end of lifting column 14 and second between backing plate 20 is made
For buffering area 24, the other end of lifting column 14 is provided with screw rod 25, and backing plate 20 is provided with the cunning being slidably set in outside screw rod 25 in second
Set 26, when well lid 1 produces sagging deformation under weight, stress declines simultaneously for sleeve pipe and lifting column 14, and buffering area 24 reduces, slide opening
22 decline screw rod 25 simultaneously relative to buffering bolt 23 declines relative to sliding sleeve 26, and the deformation of well lid 1 recovers, sleeve pipe and lifting column 14
Simultaneously stress move up recoverys, buffering area 24 becomes big recovery, so far completes once to buffer, so as to effectively prevent lowering or hoisting gear 3 and
The 1 direct rigid contact of well lid that deformation of sinking is produced under weight caused may damage.
The control cabinet 6 is fixed on the support bar 11 being inserted in the greenbelt 13 in the bypass face 9 of well lid 1, is easy to using
During maintenance, the control line 8 connected between lowering or hoisting gear 3 and transformer output end, battery buries cloth in underground.
The charger (not shown) to charge a battery, the power input of charger are provided with the control cabinet 6
It is connected with the circuit of electric pole (not shown), the circuit daytime of electric pole, there was electricity at night without electricity, and night can enter to battery
Row charging, when heavy rain causes urban parts Circuit Interrupt, and transformer output end can not give the power supply of lowering or hoisting gear 3, it can pass through
Battery is powered to lowering or hoisting gear 3, ensures that well lid 1 can rise opening draining under any circumstance.
The control cabinet 6 is located in sewer 2 and is fixed on the bottom of well lid 1, and the control cabinet 6 is waterproofing design, be
Nearby the condition of road surface 9 does not allow a kind of mode used in the case of installing control cabinet 6 to well lid 1, does not interfere with city road
Road surrounding environment.
The transformer is the transformer that 220V high pressures are changed into 24V safety low-pressures, and lowering or hoisting gear 3 uses 24V voltages, institute
The injury that battery will not be caused by reason of leaking electricity to personnel is stated, securely and reliably.
The well lid 1 is provided with the warning lamp 7 lighted with the startup of lowering or hoisting gear 3, and warning lamp 7 is connected with lowering or hoisting gear 3,
Warning lamp 7 lights after well lid 1 departs from 2 mouthfuls of sewer, alarming effect is played to holdee and vehicle, lowering or hoisting gear 3 resets
And warning lamp 7 is closed when being stopped.
Anti-drop net 15 is installed between 2 mouthfuls of the well lid 1 and sewer, effectively can prevent personnel from falling into.
Remote control module (not shown) is provided with the control cabinet 6, remote control module includes Digiplex
The output end of (not shown), single-chip microcomputer, power module and reception of wireless signals module, power module input and transformer
The 24V low pressure of transformer output is further reduced and powered to remote control module by connection, the first switch and second switch
It is relay, the input of first switch, the input of second switch and reception of wireless signals module are electromechanical with monolithic respectively
Connection, Digiplex are provided with switch key and wireless signal transmitting module, and after heavy rain arriving, municipal personnel do not have to hold well
Water looks for well lid 1 under hook, it is only necessary to presses switch key transmitting wireless signal using Digiplex, single-chip microcomputer passes through wireless signal
Receiving module receives wireless signal control first switch or second switch closure is powered, and so as to start lowering or hoisting gear 3, makes to flood
Well lid 1 in underwater rises and ponding of draining rapidly.
The transformer output end is connected by the 3rd switch (not shown) with lowering or hoisting gear 3, and battery passes through the
Four switch (not shown)s are connected with lowering or hoisting gear 3, and the 3rd switch and the 4th switch are button switch or knife switch etc., are led to
Reason condition the 3rd switchs and the 4th switch is off-state, when first switch and second switch relay failure or remote control are damaged
In the case of bad loss, directly it can be controlled manually by the 3rd switch and the 4th switch.
The screw (not shown) that the 1 and first outer backing plate 19 of well lid is provided with by fixing bolt 10 through well lid 1
Connection, when system breaks down, well lid 1 is separated with the first outer backing plate 19 outside road surface 9, is easy to safeguard.
The both ends of connecting plate 5 are respectively equipped with adjustment hole 27, fixed seat 4 by the fixing bolt 10 through adjustment hole 27 with
Connecting plate 5 is fixed, and is connected with by adjusting the i.e. adjustable connecting plate 5 in position of the fixing bolt 10 in adjustment hole 27 and its both ends
Fixed seat 4 overall width, so as to adapt to the different internal diameters of sewer 2.
The utility model arrives in heavy rain can make rapidly to be submerged on the well lid 1 of underwater by button or Digiplex
The ponding that can drain rapidly is risen, and is provided with warning lamp 7, alarming effect is played to holdee and vehicle；Using 24V voltages, no
Injury of the meeting caused by reason of leaking electricity to personnel, securely and reliably；Well lid 1 is connected firmly with sewer 2 and will not be flushed away, and well lid
Anti-drop net 15 is installed between 1 and sewer 2, effectively can prevent personnel from falling into；Effectively avoid a large amount of ponding to trade company, house owed by a citizen,
Infringement caused by the public place such as greenbelt 13 and street lamp, preferably protect people's property and public property safety.
Embodiment 2
As shown in Figure 3 and Figure 4, the present embodiment and embodiment 1 are identical elsewhere, and difference is that control cabinet 6 is fixed
In the bottom of well lid 1, suitable for the situation of the unsuitable fixed control cabinet 6 of the environment of 1 periphery road surface of well lid 9, and control cabinet 6 is using existing
The waterproofing design of technology.
Embodiment 3
As shown in Figure 5 and Figure 6, the present embodiment and embodiment 1 are identical elsewhere, and difference is the sewer certainly
Dynamicization drainage system includes two sets of lowering or hoisting gears 3, reduces the occupied space in the inside of sewer 2, drainage channel is bigger, draining
Effect is more preferable, and the middle part of two sets of lowering or hoisting gears 3 is respectively connected with the fixed mount 12 for being fixed on the inwall of sewer 2, makes lowering or hoisting gear 3 more
It is firm.
Embodiment 4
As shown in Figure 7 and Figure 8, the present embodiment and embodiment 3 are identical elsewhere, and difference is that control cabinet 6 is fixed
In the bottom of well lid 1, suitable for the situation of the unsuitable fixed control cabinet 6 of the environment of 1 periphery road surface of well lid 9, and control cabinet 6 is using existing
The waterproofing design of technology.
Claims (10)
1. sewer automates drainage system, including sewer (2) and the well lid (1) for being located at sewer (2) mouth, its feature exist
In sewer automation drainage system also includes control cabinet (6), fixing device and lowering or hoisting gear (3), and fixing device includes lifting
The connecting plate (5) that device (3) one end is fixed with, connecting plate (5) are fixed with by fixing bolt (10) and are fixed on sewer (2)
The fixed seat (4) of inwall, the other end of lowering or hoisting gear (3) are connected with well lid (1) by fixing bolt (10), in control cabinet (6)
Provided with transformer, battery, first switch and second switch, lowering or hoisting gear (3) passes through first switch and transformer output end electricity
Connection, lowering or hoisting gear (3) are connected by second switch with storage battery, and transformer inputs are connected with civil power.
2. sewer according to claim 1 automates drainage system, it is characterised in that the lowering or hoisting gear (3) includes rising
Drop post (14) and be set in the sleeve pipe of lifting column (14) outside, lifting column (14) includes water proof type Motorized lift device, Pneumatic elevation
Device and hydraulic lift, sleeve pipe include inner sleeve (16) and are slidably set in the outer tube of inner sleeve (16) outside
(17), outer tube (17) it is intraoral by being located at outer tube (17) first in backing plate (18) fixed with lifting column (14) one end,
Backing plate (18) is fixed by the first outer backing plate (19) with well lid (1) in one, and inner sleeve (16) in buffer unit and second by padding
Plate (20) connects, and backing plate (20) is fixed by the second outer backing plate (21) with connecting plate (5) in second, and buffer unit includes inner sleeve
(16) wall is provided with long strip type slide opening (22) and the buffering bolt being threadedly coupled through slide opening (22) with backing plate in second (20)
(23), and between inner sleeve (16) and the second outer backing plate (21) and in lifting column (14) other end and second between backing plate (20)
Leave at least 5mm distance and be provided with screw rod (25) as buffering area (24), lifting column (14) other end, backing plate (20) is set in second
Have and be slidably set in the sliding sleeve (26) of screw rod (25) outside.
3. sewer according to claim 1 automates drainage system, it is characterised in that the control cabinet (6) is fixed on well
Cover on the support bar (11) in (1) bottom or greenbelt (13).
4. sewer according to claim 1 automates drainage system, it is characterised in that is provided with and gives in the control cabinet (6)
The charger of battery charging, the power input of charger and the circuit of electric pole connect.
5. sewer according to claim 1 automates drainage system, it is characterised in that the transformer is by 220V height
Pressure changes into the transformer of 24V safety low-pressures, and lowering or hoisting gear (3) uses 24V voltages.
6. sewer according to claim 1 automates drainage system, it is characterised in that the well lid (1) is provided with lifting
The startup of device (3) and the warning lamp (7) lighted.
7. sewer according to claim 1 automates drainage system, it is characterised in that the well lid (1) and sewer
(2) anti-drop net (15) is installed between mouth.
8. sewer according to claim 1 automates drainage system, it is characterised in that is provided with the control cabinet (6) remote
Process control module, remote control module includes Digiplex, single-chip microcomputer, power module and reception of wireless signals module, described
First switch and second switch are relay, the input of first switch, the input of second switch and reception of wireless signals
Module is provided with switch key and wireless signal transmitting module with monolithic mechatronics, Digiplex respectively.
9. sewer according to claim 1 automates drainage system, it is characterised in that the transformer output end passes through
3rd switch is connected with lowering or hoisting gear (3), and battery is connected by the 4th switch with lowering or hoisting gear (3), the 3rd switch and the 4th
Switch as button switch or knife switch.
10. sewer according to claim 1 automates drainage system, it is characterised in that connecting plate (5) both ends are equal
Provided with adjustment hole (27), fixed seat (4) is fixed by the fixing bolt (10) through adjustment hole (27) and connecting plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720494075.9U CN206706952U (en) | 2017-05-05 | 2017-05-05 | Sewer automates drainage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720494075.9U CN206706952U (en) | 2017-05-05 | 2017-05-05 | Sewer automates drainage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206706952U true CN206706952U (en) | 2017-12-05 |
Family
ID=60466616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720494075.9U Active CN206706952U (en) | 2017-05-05 | 2017-05-05 | Sewer automates drainage system |
Country Status (1)
| Country | Link |
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| CN (1) | CN206706952U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930389A (en) * | 2017-05-05 | 2017-07-07 | 董力 | Sewer automates drainage system |
| CN107975071A (en) * | 2018-01-11 | 2018-05-01 | 黑龙江科技大学 | A kind of safety device for Jiao Jing |
| CN109826304A (en) * | 2019-01-28 | 2019-05-31 | 吴庆华 | Well structure under municipal inspection shaft |
| CN110675580A (en) * | 2019-10-15 | 2020-01-10 | 淄博豪迈实验室装备有限公司 | Laboratory environment monitoring and emergency dredging rescue system |
-
2017
- 2017-05-05 CN CN201720494075.9U patent/CN206706952U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930389A (en) * | 2017-05-05 | 2017-07-07 | 董力 | Sewer automates drainage system |
| CN107975071A (en) * | 2018-01-11 | 2018-05-01 | 黑龙江科技大学 | A kind of safety device for Jiao Jing |
| CN109826304A (en) * | 2019-01-28 | 2019-05-31 | 吴庆华 | Well structure under municipal inspection shaft |
| CN110675580A (en) * | 2019-10-15 | 2020-01-10 | 淄博豪迈实验室装备有限公司 | Laboratory environment monitoring and emergency dredging rescue system |
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