CN208890120U - A kind of high temperature power-off protection apparatus - Google Patents
A kind of high temperature power-off protection apparatus Download PDFInfo
- Publication number
- CN208890120U CN208890120U CN201821650970.6U CN201821650970U CN208890120U CN 208890120 U CN208890120 U CN 208890120U CN 201821650970 U CN201821650970 U CN 201821650970U CN 208890120 U CN208890120 U CN 208890120U
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- Prior art keywords
- face
- fixed
- guard shield
- card slot
- fixedly connected
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- Expired - Fee Related
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- 230000000694 effects Effects 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 239000011111 cardboard Substances 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 abstract description 6
- 239000000428 dust Substances 0.000 abstract description 4
- NMFHJNAPXOMSRX-PUPDPRJKSA-N [(1r)-3-(3,4-dimethoxyphenyl)-1-[3-(2-morpholin-4-ylethoxy)phenyl]propyl] (2s)-1-[(2s)-2-(3,4,5-trimethoxyphenyl)butanoyl]piperidine-2-carboxylate Chemical compound C([C@@H](OC(=O)[C@@H]1CCCCN1C(=O)[C@@H](CC)C=1C=C(OC)C(OC)=C(OC)C=1)C=1C=C(OCCN2CCOCC2)C=CC=1)CC1=CC=C(OC)C(OC)=C1 NMFHJNAPXOMSRX-PUPDPRJKSA-N 0.000 description 8
- 238000009434 installation Methods 0.000 description 8
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a kind of high temperature power-off protection apparatus, including guard shield, it is fixedly connected on the rotation axis of guard shield side end face, the door-plate and the fixed clamping mechanism being connected at the center of door-plate side end face being rotatablely connected by rotation axis and guard shield, the fixed interlocking of the front end face of the guard shield has closing snap-gauge, the sealing performance of device can be effectively improved, and the side end face fixation of the guard shield is connected with two groups of symmetrical heat emission fans, heat emission fan can efficiently radiate to guard shield inside, four groups of heat emission fans can also accelerate the flowing of the air inside guard shield simultaneously, to prevent guard shield accumulated inside dust, improve the practical performance of device.The utility model can effectively improve the air flow property inside crust of the device, convenient to radiate to it, while can also be user-friendly for efficiently opening and being closed the convenient performance for improving device.
Description
Technical field
The utility model relates to electrical equipment technical field, specially a kind of high temperature power-off protection apparatus.
Background technique
Power-off protection, i.e. switching equipment can store last channel switching command in normal work, when because of emergency case
After powering off, equipment will save this order, and equipment is automatically restored to original switching state after electricity waiting, but due to electricity
Pressure is higher, heat accumulation is easy to produce, without distributing the damage for be easy to causeing other component, and present power-off protection apparatus
There is inconvenience when being opened in shell, reduce the working efficiency of staff, so being badly in need of a kind of high temperature power-off protection dress
It sets to solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of high temperature power-off protection apparatus, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the utility model provides the following technical solutions: a kind of high temperature power-off protection apparatus, including anti-
Shield shell, the rotation axis for being fixedly connected on guard shield side end face, the door being rotatablely connected by rotation axis and guard shield
Plate and the fixed clamping mechanism being connected at the center of door-plate side end face, the fixed interlocking of the front end face of the guard shield have closing
Snap-gauge, can effectively improve the sealing performance of device, and the guard shield side end face it is fixed be connected with two groups it is symmetrical
Heat emission fan, heat emission fan can efficiently radiate to guard shield inside, while four groups of heat emission fans can also be accelerated in guard shield
The air in portion flows, to prevent guard shield accumulated inside dust, improves the practical performance of device, the guard shield packet
Fixed shell, hollow groove, wiring hole, heat emission fan card slot and rotation axis card slot are included, during the inner face of the fixed shell is provided with
Empty slot, the side end face of the fixed shell offer two groups of symmetrical heat emission fan card slots, can facilitate the fixation to heat emission fan,
The convenient installation of device is improved, the inner face of the fixed shell is fixedly connected with four groups of partitions, can effectively improve set casing
The space in internal portion, is user-friendly for managing, and offer the wiring hole for connection between two adjacent groups partition,
It can be user-friendly for the operation such as wiring, improve the convenient performance of device, the inner face side wall of the fixed shell opens up
Have a rotation axis card slot, the clamping mechanism include fixing chuck plate, connecting shaft, press fishplate bar, fixed handle, button, spring coupling plate,
Fixed spring, baffle, fixed card slot and spring stack, the outer end face of the fixing chuck plate open up it is fluted, and be located inside grooves
It is fixedly connected with convex block, spring coupling plate is fixedly connected at the upper surface center of the convex block, and the convex block is described in
Spring coupling plate is fixedly connected with button, and the inner end side wall positioned at groove offers card slot, and inside the card slot
Fixed to be plugged with connecting shaft, the outer end face of the connecting shaft is socketed with symmetrical fixed spring, and fixed spring can be for by connecing
Plate provides elastic force and is resetted, and under by fishplate bar closed state, fixed spring is tight state, improves the practicability of device
Can, and be rotatably connected at the center of the connecting shaft by fishplate bar, one end of the fixed spring and the fixing chuck plate carry out
It is fixedly connected, and the other end of the fixed spring is fixedly connected with by fishplate bar, the front end face by fishplate bar is fixed to be connected
It is connected to fixed handle, the fixing chuck plate is plugged with spring stack far from the side rotation of the fixed handle, can facilitate to baffle
The elastic force resetted is provided, the speed resetted is accelerated, and the rear end face of the spring stack is fixedly connected with baffle, the baffle it is interior
Offer fixed card slot at end face center, under closed state, baffle can engage door-plate with guard shield, when end of door plate into
When row is opened, user can first push button, can be released by push button to the compression limitation by fishplate bar, by fishplate bar by admittedly
The effect for determining the back stretch of spring is automatically rotated to outside, while being driven and being moved downward by the strut of fishplate bar front end, in turn
By the way that fixed card slot by baffle retracted downward, to release the limitation of end of door plate, is improved the convenient performance of device.
Preferably, described by fishplate bar includes fixed connecting plate, connecting shaft card slot and strut, the side of the fixed connecting plate
Face is fixedly connected with connecting column, and offers connecting shaft card slot in the middle part of the side end face of the connecting column, and connecting column can improve strut
The stability of connection is fixedly connected with strut at the front end face center of the connecting column, and strut can be convenient for users to baffle
It is efficiently shunk and is supported, facilitate the closure and opening of end of door plate.
Preferably, the rotation axis is adapted clamping with closing snap-gauge, and guard shield is connected to by enclosed card plate and is turned
Moving axis outer end face is sealed clamping, can effectively improve guard shield overall tightness and heat resistance, improves the protection of device
Property.
Preferably, the heat emission fan card slot is adapted clamping with closing snap-gauge, and the guard shield passes through the heat dissipation
Clamping is fixed in fan card slot and heat emission fan, can improve the stability of heat emission fan installation.
Preferably, described be adapted by connecting shaft with connecting shaft card slot by fishplate bar is rotatably connected on inside grooves, and institute
It states and is plugged on inside fixed card slot by fishplate bar by the strut activity of front, it can be convenient for users to quickly by pressing fishplate bar, control
The unlatching and closure of baffle processed improve the convenient performance of device.
Preferably, the front end face of the button is fixedly connected with limit card board, and the limit card board activity is connected to admittedly
Determine the upper surface of connecting plate, limit card board can carry out clamping closure to by fishplate bar, to improve the practical performance of device, and press
The outside of fishplate bar is provided with lines, can improve the efficiency of user's pressing.
Compared with prior art, the beneficial effects of the utility model are as follows:
The utility model is socketed with symmetrical fixed spring, fixed spring by connecting shaft, the outer end face of connecting shaft
It can be resetted to provide elastic force by fishplate bar, under by fishplate bar closed state, fixed spring is tight state, improves device
The side end face fixation of practical performance, guard shield is connected with two groups of symmetrical heat emission fans, and heat emission fan can be in guard shield
Portion is efficiently radiated, while four groups of heat emission fans can also accelerate the flowing of the air inside guard shield, to prevent protection outer
Shell accumulated inside dust improves the practical performance of device, strut, strut energy is fixedly connected at the front end face center of connecting column
Convenient for users to baffle is efficiently shunk and supported, the closure and opening of end of door plate are facilitated.
Detailed description of the invention
Fig. 1 is the main body explosive view of the utility model；
Fig. 2 is the main body assembling figure of the utility model；
Fig. 3 is the guard shield structural schematic diagram of the utility model；
Fig. 4 is the clamping mechanism explosive view of the utility model；
Fig. 5 is the utility model by fishplate bar structural schematic diagram；
Fig. 6 is the clamping mechanism assembling figure of the utility model；
Fig. 7 is the fixing chuck plate perspective view of the utility model.
In figure: 1- guard shield, 2- rotation axis, 3- door-plate, 4- clamping mechanism, 5- closing snap-gauge, 6- heat emission fan, 101- are solid
Fixed shell, 102- hollow groove, 103- wiring hole, 104- heat emission fan card slot, 105- rotation axis card slot, 401- fixing chuck plate, 402-
Connecting shaft, 403- press the fixed handle of fishplate bar, 404-, 405- button, 406- spring coupling plate, 407- fixed spring, 408- baffle,
409- fixed card slot, 410- spring stack, 40301- fixed connecting plate, 40302- connecting shaft card slot, 40303- strut.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-7 is please referred to, a kind of embodiment provided by the utility model: a kind of high temperature power-off protection apparatus, including protection
Shell 1, is rotatablely connected by rotation axis 2 and guard shield 1 rotation axis 2 for being fixedly connected on 1 side end face of guard shield
Door-plate 3 and the fixed clamping mechanism 4 being connected at 3 side end face center of door-plate, the fixed interlocking of the front end face of guard shield 1 have envelope
Close snap-gauge 5, can effectively improve the sealing performance of device, and guard shield 1 side end face it is fixed be connected with two groups it is symmetrical
Heat emission fan 6, heat emission fan 6 can be to efficiently being radiated inside guard shield 1, while also to accelerate protection outer for four groups of heat emission fans 6
Air flowing inside shell 1, to prevent 1 accumulated inside dust of guard shield, improves the practical performance of device, guard shield
1 includes fixed shell 101, hollow groove 102, wiring hole 103, heat emission fan card slot 104 and rotation axis card slot 105, fixed shell 101
Inner face be provided with hollow groove 102, the side end face of fixed shell 101 offers two groups of symmetrical heat emission fan card slots 104,
The fixation to heat emission fan 6 can be facilitated, improve the convenient installation of device, the inner face of fixed shell 101 is fixedly connected with four groups
Partition can effectively improve the space inside fixed shell 101, be user-friendly for managing, and be located at two adjacent groups partition it
Between offer wiring hole 103 for connection, the operation such as wiring can be user-friendly for, improve the convenient performance of device,
The inner face side wall of fixed shell 101 offers rotation axis card slot 105, and clamping mechanism 4 includes fixing chuck plate 401, connecting shaft
402, fishplate bar 403, fixed handle 404, button 405, spring coupling plate 406, fixed spring 407, baffle 408, fixed card slot are pressed
409 and spring stack 410, the outer end face of fixing chuck plate 401 opens up fluted, and is located inside grooves and is fixedly connected with convex block, convex
Spring coupling plate 406 is fixedly connected at the upper surface center of block, and convex block is carried out by spring coupling plate 406 and button 405
It is fixedly connected, offers card slot positioned at the inner end side wall of groove, and fixation is plugged with connecting shaft 402, connecting shaft 402 inside card slot
Outer end face be socketed with symmetrical fixed spring 407, fixed spring 407 can be resetted to provide elastic force by fishplate bar 403,
Under by 403 closed state of fishplate bar, fixed spring 407 is tight state, improves the practical performance of device, and connecting shaft 402
Center at be rotatably connected to by fishplate bar 403, one end and the fixing chuck plate 401 of fixed spring 407 are fixedly connected, and fixed
The other end of spring 407 is fixedly connected with by fishplate bar 403, is fixedly connected with fixed handle by the front end face of fishplate bar 403
404, fixing chuck plate 401 is plugged with spring stack 410 far from the side rotation of fixed handle 404, can facilitate and provide again baffle 408
The elastic force of position accelerates the speed resetted, and the rear end face of spring stack 410 is fixedly connected with baffle 408, the inner face of baffle 408
Offer fixed card slot 409 at center, under closed state, baffle 408 can engage door-plate 3 with guard shield 1, when on the door
When plate 3 is opened, user can first push button 405, can be released by push button 405 to the compression limit for pressing fishplate bar 403
System, the effect by fishplate bar 403 by the back stretch of fixed spring 407 is automatically rotated to outside, while being driven and being pressed fishplate bar 403
The strut 40303 of front end moves downward, so by by fixed card slot 409 by 408 retracted downward of baffle, to release end of door plate
3 limitation improves the convenient performance of device.
It include fixed connecting plate 40301, connecting shaft card slot 40302 and strut 40303, fixed connecting plate by fishplate bar 403
40301 side end face is fixedly connected with connecting column, and offers connecting shaft card slot 40302 in the middle part of the side end face of connecting column, connects
Column can improve the stability of the connection of strut 40303, be fixedly connected with strut 40303, strut at the front end face center of connecting column
40303 can facilitate the closure and opening of end of door plate 3 convenient for users to baffle 408 is efficiently shunk and supported.
Rotation axis 2 is adapted clamping with closing snap-gauge 5, and guard shield 1 is connected to outside rotation axis 2 by closing snap-gauge 5
End face is sealed clamping, can effectively improve 1 overall tightness of guard shield and heat resistance, improve the protective of device.
Heat emission fan card slot 104 is adapted clamping with closing snap-gauge 5, and guard shield 1 passes through heat emission fan card slot 104 and heat dissipation
Clamping is fixed in fan 6, can improve the stability of the installation of heat emission fan 6.
It is adapted by connecting shaft 402 with connecting shaft card slot 40302 by fishplate bar 403 and is rotatably connected on inside grooves, and pressed
Fishplate bar 403 is plugged on inside fixed card slot 409 by 40303 activity of strut of front, can be convenient for users to quickly by pressing
Fishplate bar 403 controls the unlatching and closure of baffle 408, improves the convenient performance of device.
The front end face of button 405 is fixedly connected with limit card board, and limit card board activity is connected to fixed connecting plate 40301
Upper surface, limit card board can carry out clamping closure to by fishplate bar 403, to improve the practical performance of device, and press fishplate bar
403 outside is provided with lines, can improve the efficiency of user's pressing.
The inner face quadrangle of guard shield 3 offers sliding slot, and the outer end face quadrangle of internal snap-gauge 2 is fixedly connected to
Sliding rail is slidably connected inside sliding slot by sliding rail between internal snap-gauge 2 and guard shield 3 and is slidably connected, can effectively mentioned
The stability that high internal snap-gauge 2 is connect with guard shield 3, motor card slot 7 and main shaft card slot 8 be connected to motor respectively plate 202 and
Main shaft snap-gauge 204 is concentric, can facilitate positioning in advance and installation to motor and main shaft, improve the convenient performance of device.
Limiting slot is offered in the middle part of the intracavity sidewall of guard shield 3, and support plate 6 is by being connected to inside limiting slot and preventing
Shield shell 3 is slidably connected, and can facilitate and carry out quick and stable installation to support plate 6, improves the installation effect of support plate 6
Rate.
Fixed axis 203 is located at close to the side of connecting plate for electric motor 202, and fixed axis 203 arrives 201 front end of snap-gauge shell
The distance in face is equidistant with axis card slot 603 to 602 front end face of support plate shell, when internal snap-gauge 2 is static, due to fixation
The distance of axis 203 to 201 front end face of snap-gauge shell is equidistant with axis card slot 603 to 602 front end face of support plate shell, therefore
Internal snap-gauge 2 can be flushed with the outer end face of guard shield 3, and installation and maintenance of the person of being convenient to use to other component, belt pass through
Through slot 205 is identical structure with link slot 604, and the belt that convenient can be connect with motor and main shaft passes through, and improves device just
Prompt performance.
Support plate shell 602 is fixedly connected on fixed 203 rear end face of axis by spring lever 601 and internal snap-gauge 2 carries out
Elastic connection, and internal snap-gauge 2 is slidably connected at 603 inside of axis card slot by fixed axis 203 and is slided with support plate 6
Connection, the operation that spring lever 601 can be resetted after movement for internal snap-gauge 2 with the main shaft being ejected, improves dress
The cyclicity set.
The middle part of sealing plate 4 is provided with protective plate, and protective plate is rotatably connected on the middle part of sealing plate 4 by hinge, can be convenient
User efficiently overhauls device inside, improves the convenient performance of device, and the lower end surface close to sealing plate 4 offers company
Hole is connect, and connecting hole and main shaft snap-gauge 204 are concentric, can facilitate passing through for main shaft, improves the convenient performance of device
Working principle: when end of door plate 3 is opened, user can first push button 405, pass through 405 energy of push button
It releases and limits by the compression of fishplate bar 403, it is automatically outside by the effect of the back stretch of fixed spring 407 by fishplate bar 403
Portion's rotation, while driving and being moved downward by the strut 40303 of 403 front end of fishplate bar, so by by fixed card slot 409 by baffle
408 retracted downwards improve the convenient performance of device to release the limitation of end of door plate 3, if needing to close device
It closes, can first be closed door-plate 3, will directly can then be pressed downwards by fishplate bar 403 by fixed handle 404,405 energy of button
Engage to by fishplate bar 403,408 end of door plate 3 of baffle can be driven to carry out clamping closure by fishplate bar 403.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of high temperature power-off protection apparatus, including guard shield (1), it is fixedly connected on the rotation of guard shield (1) side end face
Axis (2), the door-plate (3) being rotatablely connected by rotation axis (2) and guard shield (1) and fixation are connected to door-plate (3) side
Clamping mechanism (4) at end face center, it is characterised in that: the fixed interlocking of the front end face of the guard shield (1) has closing snap-gauge
(5), and the fixation of the side end face of the guard shield (1) is connected with two groups of symmetrical heat emission fans (6), the guard shield
It (1) include fixed shell (101), hollow groove (102), wiring hole (103), heat emission fan card slot (104) and rotation axis card slot
(105), the inner face of the fixed shell (101) is provided with hollow groove (102), and the side end face of the fixed shell (101) is opened
Equipped with two groups of symmetrical heat emission fan card slots (104), the inner face of the fixed shell (101) is fixedly connected with four groups of partitions,
And wiring hole (103) for connection, the inner end surface side of the fixed shell (101) are offered between two adjacent groups partition
Wall offers rotation axis card slot (105), and the clamping mechanism (4) includes fixing chuck plate (401), connecting shaft (402), by fishplate bar
(403), fixed handle (404), button (405), spring coupling plate (406), fixed spring (407), baffle (408), fixing card
Slot (409) and spring stack (410), the outer end face of the fixing chuck plate (401) open up fluted, and are located at that inside grooves are fixed to be connected
It is connected to convex block, is fixedly connected at the upper surface center of the convex block spring coupling plate (406), and the convex block passes through the bullet
Spring connecting plate (406) is fixedly connected with button (405), and the inner end side wall positioned at groove offers card slot, and described
Fixation is plugged with connecting shaft (402) inside card slot, and the outer end face of the connecting shaft (402) is socketed with symmetrical fixed spring
(407), it and at the center of the connecting shaft (402) is rotatably connected to by fishplate bar (403), one end of the fixed spring (407)
It is fixedly connected with the fixing chuck plate (401), and the other end of the fixed spring (407) is carried out with by fishplate bar (403)
It is fixedly connected, the front end face by fishplate bar (403) is fixedly connected with fixed handle (404), and the fixing chuck plate (401) is separate
The side rotation of the fixed handle (404) is plugged with spring stack (410), and the fixed company of rear end face of the spring stack (410)
It is connected to baffle (408), offers fixed card slot (409) at the inner face center of the baffle (408).
2. a kind of high temperature power-off protection apparatus according to claim 1, it is characterised in that: described to include by fishplate bar (403)
Fixed connecting plate (40301), connecting shaft card slot (40302) and strut (40303), the side of the fixed connecting plate (40301)
Face is fixedly connected with connecting column, and offers connecting shaft card slot (40302), the connecting column in the middle part of the side end face of the connecting column
Front end face center at be fixedly connected with strut (40303).
3. a kind of high temperature power-off protection apparatus according to claim 1, it is characterised in that: the rotation axis (2) and closing
Snap-gauge (5) is adapted clamping, and guard shield (1) is connected to rotation axis (2) outer end face by closing snap-gauge (5) and is sealed card
It connects.
4. a kind of high temperature power-off protection apparatus according to claim 1, it is characterised in that: the heat emission fan card slot (104)
Be adapted clamping with closing snap-gauge (5), and the guard shield (1) by the heat emission fan card slot (104) and heat emission fan (6) into
The fixed clamping of row.
5. a kind of high temperature power-off protection apparatus according to claim 1, it is characterised in that: described to pass through by fishplate bar (403)
Connecting shaft (402) is adapted with connecting shaft card slot (40302) and is rotatably connected on inside grooves, and described passes through by fishplate bar (403)
It is internal that strut (40303) activity of front is plugged on fixed card slot (409).
6. a kind of high temperature power-off protection apparatus according to claim 1, it is characterised in that: the front end of the button (405)
Face is fixedly connected with limit card board, and the limit card board activity is connected to the upper surface of fixed connecting plate (40301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821650970.6U CN208890120U (en) | 2018-10-12 | 2018-10-12 | A kind of high temperature power-off protection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821650970.6U CN208890120U (en) | 2018-10-12 | 2018-10-12 | A kind of high temperature power-off protection apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208890120U true CN208890120U (en) | 2019-05-21 |
Family
ID=66515524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821650970.6U Expired - Fee Related CN208890120U (en) | 2018-10-12 | 2018-10-12 | A kind of high temperature power-off protection apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208890120U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110505774A (en) * | 2019-06-04 | 2019-11-26 | 上海浦江桥隧运营管理有限公司 | A kind of bridge pier safety detection water surface control unit |
-
2018
- 2018-10-12 CN CN201821650970.6U patent/CN208890120U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110505774A (en) * | 2019-06-04 | 2019-11-26 | 上海浦江桥隧运营管理有限公司 | A kind of bridge pier safety detection water surface control unit |
| CN110505774B (en) * | 2019-06-04 | 2021-10-22 | 上海浦江桥隧运营管理有限公司 | Pier safety inspection surface of water controlling means |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190521 |
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| CF01 | Termination of patent right due to non-payment of annual fee |