CN107881950A - A kind of concealed electric pushing-off the wagons damping elevating table device - Google Patents
A kind of concealed electric pushing-off the wagons damping elevating table device Download PDFInfo
- Publication number
- CN107881950A CN107881950A CN201710915230.4A CN201710915230A CN107881950A CN 107881950 A CN107881950 A CN 107881950A CN 201710915230 A CN201710915230 A CN 201710915230A CN 107881950 A CN107881950 A CN 107881950A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- elevating table
- framework
- spring
- table device
- 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
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
- E01F13/12—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions for forcibly arresting or disabling vehicles, e.g. spiked mats
- E01F13/123—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions for forcibly arresting or disabling vehicles, e.g. spiked mats depressible or retractable below the traffic surface, e.g. one-way spike barriers, power-controlled prong barriers
Abstract
The invention discloses a kind of concealed electric pushing-off the wagons damping elevating table device, including chassis, the chassis is fixedly mounted in the groove resting on the ground, gutter is provided with the groove, the chassis is by the bottom plate that is fixedly mounted in the groove of ground, it is opened in discharge outlet corresponding with gutter on bottom plate, the framework being fixedly mounted on bottom plate, the railroad being fixedly mounted on framework, the elevating table device being movably arranged on railroad and the drive device for being fixedly connected with framework frame in framework and being fixedly connected with elevating table device collectively form, the chassis is externally provided with controller, the controller is electrically connected with electric rotating machine.The invention has the advantages that it is simple in construction, it is practical.
Description
Technical field
The present invention relates to vehicle-intercepting device field, particularly a kind of concealed electric pushing-off the wagons damping elevating table device.
Background technology
In the modern life, vehicle-intercepting device is largely made up of liftable cylindrical interception post, and these are intercepted
Post easily damages when being knocked or colliding, and can only be changed after damage, and can not land after damaging, and generates greatly
Waste.
The content of the invention
The invention aims to solve the above problems, a kind of concealed electric pushing-off the wagons damping lifting platform dress is devised
Put.
Realize above-mentioned purpose the technical scheme is that, a kind of concealed electric pushing-off the wagons damping elevating table device, including
Chassis, the chassis are fixedly mounted in the groove resting on the ground, and are provided with gutter in the groove, the chassis is by fixing
Bottom plate in the groove of ground, it is opened in discharge outlet corresponding with gutter on bottom plate, the frame being fixedly mounted on bottom plate
Frame, the railroad being fixedly mounted on framework, the elevating table device being movably arranged on railroad and in framework with
The drive device that framework is fixedly connected and is fixedly connected with elevating table device collectively forms, and the railroad is by framework
The parallel sliding track that is fixedly connected at the center of surface left and right ends with framework, the block being fixedly mounted in parallel sliding track both ends, work
The dynamic pulley in parallel sliding track collectively forms with the pulley spindle being inserted into pulley, and the elevating table device is by positioned at cunning
Arm support that wheel shaft left and right ends are fixedly connected with pulley spindle, the cross bore at arm support center, it is fixedly mounted on
Intersecting axle in cross bore, with crossbearer that arm support is fixedly connected above arm support and above crossbearer and crossbearer
The stop table apparatus being fixedly connected collectively forms, described to stop table apparatus by being fixedly mounted on stop platform above crossbearer, being opened in
Stop the rectangular recess being fixedly connected on platform lower surface and with crossbearer, be opened in stop equally distributed through hole on platform leading flank,
The spring one that is fixedly connected with stop platform leading flank on the outside of the through hole, the fixing axle being inserted into through hole and spring one, it is located at
Stop on platform trailing flank with stop spring two that platform is fixedly connected, be fixedly connected positioned at the side of spring two with spring two and with fixation
Spring block that axle is fixedly connected, positioned at stop in front of platform with barrier plate that fixing axle is fixedly connected and positioned at stopping above platform and
Stop that the earth plate that platform is fixedly connected collectively forms, the drive device is connected by being fixed positioned at lower portion left and right ends and bottom plate
The electric rotating machine that connects, the drive pulley being fixedly connected with electric rotating machine round end, one end are sleeved on the skin on drive pulley
Band, the driven pulley being fixedly connected with the belt other end, it is inserted at driven pulley center side and fixes company with bottom plate
The reductor that connects, the rope roll being fixedly connected with output end of reducer, one end is fixedly connected with rope roll and the other end and diagonal cunning
The wheel axis center steel wire rope being fixedly connected and the wheel device being flexibly connected above framework with steel wire rope collectively form, institute
State chassis and be externally provided with controller, the controller is electrically connected with electric rotating machine.
The wheel device by be fixedly connected above framework with framework support wheel fixed mount, be fixedly mounted on branch
Support the support wheel bearing on wheel fixed mount, the support wheel of minor axis being inserted into support wheel bearing and be sleeved in support wheel of minor axis
Support wheel collectively forms.
Iron plate that the barrier plate is fixedly connected by side with spring one and fixing axle and positioned at iron plate opposite side and iron plate
The elastic membrane being fixedly connected collectively forms.
The elastic membrane is made up of elastic rubber material.
The spring one is made up of compression type springs, and the spring two is made up of tension type spring.
The earth plate is made up of Argyle sheet material.
The arm support is made up of High-strength channel steel.
The gutter is connected with outside sewage conduct.
PLC system is provided with the controller.
The controller is provided with electric capacity display screen, control button and switching device, and the controller connects provided with electricity consumption
Mouthful.
A kind of concealed electric pushing-off the wagons damping elevating table device made using technical scheme, by using bullet
Property film and spring assembly, impulse force caused by automobile crash is subjected to damping by spring and elastic membrane, greatly ensure that device
It is intact, reduce collision for caused by device damage, reduce loss, also can effectively ensure the safety of automobile, this dress
Put simple in construction, easy to operate, security is high.
Brief description of the drawings
Fig. 1 is a kind of structural representation of concealed electric pushing-off the wagons damping elevating table device of the present invention；
Fig. 2 is the side view of railroad of the present invention；
Fig. 3 is the schematic diagram of drive device of the present invention；
Fig. 4 is the schematic diagram of wheel device of the present invention；
Fig. 5 is the schematic diagram of controller of the present invention；
In figure, 1, chassis；2nd, groove；3rd, gutter；4th, bottom plate；5th, discharge outlet；6th, framework；7th, railroad；8th, lift
Table apparatus；9th, drive device；10th, parallel sliding track；11st, block；12nd, pulley；13rd, pulley spindle；14th, arm support；15th, intersect
Hole；16th, cross bore；17th, crossbearer；18th, platform is stopped；19th, rectangular recess；20th, through hole；21st, spring one；22nd, fixing axle；23、
Spring two；24th, spring block；25th, barrier plate；26th, earth plate；27th, electric rotating machine；28th, drive pulley；29th, belt；30、
Driven pulley；31st, reductor；32nd, rope roll；33rd, steel wire rope；34th, wheel device；35th, controller；36th, support wheel is fixed
Frame；37th, wheel bearing is supported；38th, support wheel of minor axis；39th, support wheel；40th, iron plate；41st, elastic membrane；42nd, PLC system；43rd, electric capacity
Display screen；44th, control button；45th, switching device；46th, electrical interface is used.
Embodiment
The present invention is specifically described below in conjunction with the accompanying drawings, as Figure 1-5, a kind of concealed electric pushing-off the wagons damping liter
Table apparatus is dropped, including chassis 1, the chassis 1 are fixedly mounted in the groove 2 resting on the ground, and draining is provided with the groove 2
Ditch 3, the chassis 1 by be fixedly mounted in ground groove 2 bottom plate 4, be opened in draining corresponding with gutter 3 on bottom plate 4
Mouthfuls 5, the framework 6 that is fixedly mounted on bottom plate 4, the railroad 7 being fixedly mounted on framework 6, it is movably arranged on railroad 7
On elevating table device 8 and the drive device 9 that is fixedly connected with framework 6 and is fixedly connected with elevating table device 8 in the framework 6
Collectively form, the railroad 7 is by the parallel cunning that is fixedly connected positioned at the upper surface left and right ends center of framework 6 with framework 6
Rail 10, the block 11 being fixedly mounted in the both ends of parallel sliding track 10, the pulley 12 being movably arranged in parallel sliding track 10 and inserting
Pulley spindle 13 in pulley 12 collectively forms, and the elevating table device 8 is by positioned at the left and right ends of pulley spindle 13 and pulley spindle 13
The arm support 14 that is fixedly connected, the cross bore 15 at the center of arm support 14, the friendship being fixedly mounted in cross bore 15
Fork shaft 16, with crossbearer 17 that arm support 14 is fixedly connected above arm support 14 and above crossbearer 17 with crossbearer 17
The stop table apparatus being fixedly connected collectively forms, it is described stop table apparatus by be fixedly mounted on the top of crossbearer 17 stop platform 18,
It is opened in and stops the rectangular recess 19 being fixedly connected on the lower surface of platform 18 and with crossbearer 17, is opened on the stop leading flank of platform 18 uniformly
The through hole 20 of distribution, the spring 1 being fixedly connected positioned at the outside of through hole 20 with the stop leading flank of platform 18, be inserted into through hole 20 and
Fixing axle 22 in spring 1, positioned at stopping on the trailing flank of platform 18 with stopping spring 2 23 that platform 18 is fixedly connected, positioned at bullet
Spring block 24 that the side of spring 2 23 is fixedly connected with spring 2 23 and is fixedly connected with fixing axle 22, positioned at stopping the front of platform 18
With barrier plate 25 that fixing axle 22 is fixedly connected and positioned at stopping that the earth plate 26 being fixedly connected above platform 18 with stop platform 18 is total to
With forming, the drive device 9 is by the electric rotating machine 27 being fixedly connected positioned at the inside left and right ends of framework 6 with bottom plate 4 and rotation
Drive pulley 28 that the round end of motor 27 is fixedly connected, one end be sleeved on belt 29 on drive pulley 28, with belt 29
Driven pulley 30 that the other end is fixedly connected, it is inserted at the center side of driven pulley 30 and is fixedly connected with bottom plate 4
Reductor 31, the rope roll 32 being fixedly connected with the output end of reductor 31, one end be fixedly connected with rope roll 32 and the other end with it is diagonal
The center of pulley spindle 13 steel wire rope 33 being fixedly connected and the wheel device being flexibly connected above framework 6 with steel wire rope 33
34 are collectively formed, and the chassis 1 is externally provided with controller 35, and the controller 35 is electrically connected with electric rotating machine；The support wheel
Device 34 by be fixedly connected above framework 6 with framework 6 support wheel fixed mount 36, be fixedly mounted on support wheel fixed mount 36
On support wheel bearing 37, the support wheel of minor axis 38 that is inserted into support wheel bearing 37 and the branch that is sleeved in support wheel of minor axis 38
Support wheel 39 collectively forms；Iron plate 40 that the barrier plate 25 is fixedly connected by side with spring 1 and fixing axle 22 and positioned at iron
The elastic membrane 41 that the opposite side of plate 40 is fixedly connected with iron plate 40 collectively forms；The elastic membrane 41 is made up of elastic rubber material；
The spring 1 is made up of compression type springs, and the spring 2 23 is made up of tension type spring；The earth plate 26 is by rhombus
Decorative pattern sheet material is formed；The arm support 14 is made up of High-strength channel steel；The gutter 3 is connected with outside sewage conduct；Institute
State in controller 35 and be provided with PLC system 42；The controller 35 is provided with electric capacity display screen 43, control button 44 and switching device
45, the controller 35 is provided with and uses electrical interface 46.
The characteristics of the present embodiment is that railroad is connected by being fixed positioned at frame upper surface left and right ends center and framework
The parallel sliding track that connects, the block being fixedly mounted in parallel sliding track both ends, the pulley being movably arranged in parallel sliding track and inserting
Pulley spindle in pulley is collectively formed, and elevating table device is intersected by what is be fixedly connected positioned at pulley spindle left and right ends with pulley spindle
Support, the cross bore at arm support center, the intersecting axle being fixedly mounted in cross bore, above arm support with
Crossbearer that arm support is fixedly connected and the stop table apparatus being fixedly connected above crossbearer with crossbearer collectively form, and stop platform
Device by be fixedly mounted on above crossbearer stop platform, be opened in and stop that the rectangle being fixedly connected on platform lower surface and with crossbearer is recessed
Groove, it is opened in the spring for stopping equally distributed through hole on platform leading flank, being fixedly connected on the outside of through hole with stopping platform leading flank
First, through hole and fixing axle in spring one are inserted into, positioned at stopping on platform trailing flank with stopping spring two, position that platform is fixedly connected
In the spring block that the side of spring two is fixedly connected with spring two and is fixedly connected with fixing axle, positioned at stop platform front and fixation
Barrier plate that axle is fixedly connected and positioned at stopping that the earth plate being fixedly connected above platform with stop platform collectively forms, drive device by
The electric rotating machine being fixedly connected positioned at lower portion left and right ends with bottom plate, the active skin being fixedly connected with electric rotating machine round end
Belt that belt wheel, one end are sleeved on drive pulley, the driven pulley being fixedly connected with the belt other end, be inserted into it is driven
The reductor that is fixedly connected at belt pulley center side and with bottom plate, the rope roll being fixedly connected with output end of reducer, one end with
Rope roll is fixedly connected and the other end is fixedly connected with diagonal pulley axis center steel wire rope and above framework and steel wire rope
The wheel device of flexible connection is collectively formed, and by using elastic membrane and spring assembly, impulse force caused by automobile crash is led to
Cross spring and elastic membrane carries out damping, greatly ensure that the intact of device, reduce collision for damage caused by device, drop
Low loss, also can effectively ensure the safety of automobile, the present apparatus is simple in construction, easy to operate, and security is high.
In the present embodiment, equipment is powered, controls the switching device on controller to start equipment, happened suddenly when running into
When event needs to stop that platform rises, the control button on controller is controlled, control electric rotating machine is started working, electric rotating machine band
Dynamic drive pulley rotation, drive pulley start to rotate by belt drive driven pulley, and driven pulley, which drives, to slow down
Machine is started working, and reductor drives rope roll to start to rotate, and rope roll drives steel wire rope to shrink, and steel wire rope shrinkage band movable pulley axle starts
Being moved to center, arm support, which starts to drive, stops that platform rises, when time value of the electric rotating machine work to controller setting, control
Device control electric rotating machine processed is stopped, and now stops that platform rises to setting height, when Vehicular impact, is carried out by elastic membrane
First time damping, second of damping is then carried out by the forced compression of spring one, then stretched and subtract for the third time by the stress of spring two
Shake, after accident treatment, controller control electric rotating machine reverse operation, decline stop platform, electric rotating machine work to control
During the time value of device setting processed, controller control electric rotating machine is stopped, and completes operation.
Above-mentioned technical proposal only embodies the optimal technical scheme of technical solution of the present invention, those skilled in the art
Some variations that some of which part may be made are embodied the present invention principle, belong to protection scope of the present invention it
It is interior.
Claims (10)
1. a kind of concealed electric pushing-off the wagons damping elevating table device, including chassis (1), it is characterised in that the chassis (1) is fixed
It is mounted on the groove (2) on ground Nei, is provided with gutter (3) in the groove (2), the chassis (1) is by being fixedly mounted
Bottom plate (4) in ground groove (2), it is opened in discharge outlet (5) corresponding with gutter (3) on bottom plate (4), is fixedly mounted on
Framework (6) on bottom plate (4), the railroad (7) being fixedly mounted on framework (6), it is movably arranged on railroad (7)
Elevating table device (8) and the driving for being fixedly connected with framework (6) and being fixedly connected with elevating table device (8) in framework (6)
Device (9) collectively forms, and the railroad (7) is by fixed positioned at framework (6) upper surface left and right ends center and framework (6)
The parallel sliding track (10) of connection, the block (11) being fixedly mounted in parallel sliding track (10) both ends, it is movably arranged on parallel sliding track
(10) pulley (12) in and the pulley spindle (13) being inserted into pulley (12) collectively form, and the elevating table device (8) is by position
The arm support (14) that is fixedly connected in pulley spindle (13) left and right ends with pulley spindle (13), at arm support (14) center
Cross bore (15), be fixedly mounted in cross bore (15) intersecting axle (16), propped up with intersecting above the arm support (14)
Crossbearer (17) that frame (14) is fixedly connected and the stop table apparatus being fixedly connected above crossbearer (17) with crossbearer (17) are common
Form, it is described to stop that table apparatus stops platform (18) lower surface by being fixedly mounted on stop platform (18) above crossbearer (17), being opened in
It is upper and be fixedly connected with crossbearer (17) rectangular recess (19), be opened in and stop equally distributed through hole on platform (18) leading flank
(20) spring one (21) that, is fixedly connected with stop platform (18) leading flank on the outside of the through hole (20), be inserted into through hole (20) and
Fixing axle (22) in spring one (21), positioned at stopping the spring two that is fixedly connected on platform (18) trailing flank with stopping platform (18)
(23) spring block for, being fixedly connected with spring two (23) positioned at spring two (23) side and being fixedly connected with fixing axle (22)
(24), positioned at stop the barrier plate (25) that is fixedly connected in front of platform (18) with fixing axle (22) and positioned at stopping above platform (18) and
Stop that the earth plate (26) that platform (18) is fixedly connected collectively forms, the drive device (9) is by positioned at the internal left and right two of framework (6)
Hold the electric rotating machine (27) being fixedly connected with bottom plate (4), the drive pulley being fixedly connected with electric rotating machine (27) round end
(28) belt (29) that, one end is sleeved on drive pulley (28), the follower belt being fixedly connected with belt (29) other end
Wheel (30), the reductor (31) and reductor for being inserted at driven pulley (30) center side and being fixedly connected with bottom plate (4)
(31) output end is fixedly connected rope roll (32), one end are fixedly connected with rope roll (32) and the other end and diagonal pulley spindle (13)
Steel wire rope (33) that center is fixedly connected and the wheel device (34) being flexibly connected above framework (6) with steel wire rope (33)
Collectively form, the chassis (1) is externally provided with controller (35), and the controller (35) is electrically connected with electric rotating machine.
A kind of 2. concealed electric pushing-off the wagons damping elevating table device according to claim 1, it is characterised in that the support
Wheel apparatus (34) by be fixedly connected with framework (6) above the framework (6) support wheel fixed mount (36), be fixedly mounted on support
Take turns the support wheel bearing (37) on fixed mount (36), the support wheel of minor axis (38) being inserted into support wheel bearing (37) and be sleeved on
Support wheel (39) in support wheel of minor axis (38) collectively forms.
A kind of 3. concealed electric pushing-off the wagons damping elevating table device according to claim 1, it is characterised in that the stop
Iron plate (40) that plate (25) is fixedly connected by side with spring one (21) and fixing axle (22) and positioned at iron plate (40) opposite side with
The elastic membrane (41) that iron plate (40) is fixedly connected collectively forms.
A kind of 4. concealed electric pushing-off the wagons damping elevating table device according to claim 3, it is characterised in that the elasticity
Film (41) is made up of elastic rubber material.
A kind of 5. concealed electric pushing-off the wagons damping elevating table device according to claim 1, it is characterised in that the spring
One (21) are made up of compression type springs, and the spring two (23) is made up of tension type spring.
A kind of 6. concealed electric pushing-off the wagons damping elevating table device according to claim 1, it is characterised in that the ground connection
Plate (26) is made up of Argyle sheet material.
A kind of 7. concealed electric pushing-off the wagons damping elevating table device according to claim 1, it is characterised in that the intersection
Support (14) is made up of High-strength channel steel.
A kind of 8. concealed electric pushing-off the wagons damping elevating table device according to claim 1, it is characterised in that the draining
Ditch (3) is connected with outside sewage conduct.
A kind of 9. concealed electric pushing-off the wagons damping elevating table device according to claim 1, it is characterised in that the control
PLC system (42) is provided with device (35).
A kind of 10. concealed electric pushing-off the wagons damping elevating table device according to claim 1, it is characterised in that the control
Device (35) processed is provided with electric capacity display screen (43), control button (44) and switching device (45), and the controller (35) is provided with
With electrical interface (46).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710915230.4A CN107881950A (en) | 2017-09-30 | 2017-09-30 | A kind of concealed electric pushing-off the wagons damping elevating table device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710915230.4A CN107881950A (en) | 2017-09-30 | 2017-09-30 | A kind of concealed electric pushing-off the wagons damping elevating table device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107881950A true CN107881950A (en) | 2018-04-06 |
Family
ID=61781047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710915230.4A Pending CN107881950A (en) | 2017-09-30 | 2017-09-30 | A kind of concealed electric pushing-off the wagons damping elevating table device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107881950A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049044A (en) * | 2020-09-05 | 2020-12-08 | 李阳 | Blocking and draining mechanism for parking lot |
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| CN201517201U (en) * | 2009-05-20 | 2010-06-30 | 东莞市亿科交通设施有限公司 | Road-block device |
| CN201896298U (en) * | 2010-11-25 | 2011-07-13 | 吴水清 | Deceleration tyre-breaking device |
| CN202073339U (en) * | 2011-05-11 | 2011-12-14 | 陕西新世纪场馆建设技术工程集团有限公司 | Strip-type lifting platform for stage |
| CN102312412A (en) * | 2010-07-08 | 2012-01-11 | 齐国静 | Mobile road traffic inspection barrier device |
| CN103663257A (en) * | 2013-12-09 | 2014-03-26 | 苏州市职业大学 | Electric lifting platform |
| CN103696710A (en) * | 2012-09-28 | 2014-04-02 | 中国石油化工股份有限公司 | Overground operating string delivery mechanism |
| CN203682986U (en) * | 2013-11-05 | 2014-07-02 | 南京熊猫电子股份有限公司 | Shear-fork type electric lifting platform mechanism |
| CN203807057U (en) * | 2014-04-13 | 2014-09-03 | 湖州科尼物流设备有限公司 | Electric lifting table |
| CN105965189A (en) * | 2016-04-20 | 2016-09-28 | 南通国盛精密机械有限公司 | Bidirectional lifting workbench |
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201517201U (en) * | 2009-05-20 | 2010-06-30 | 东莞市亿科交通设施有限公司 | Road-block device |
| CN102312412A (en) * | 2010-07-08 | 2012-01-11 | 齐国静 | Mobile road traffic inspection barrier device |
| CN201896298U (en) * | 2010-11-25 | 2011-07-13 | 吴水清 | Deceleration tyre-breaking device |
| CN202073339U (en) * | 2011-05-11 | 2011-12-14 | 陕西新世纪场馆建设技术工程集团有限公司 | Strip-type lifting platform for stage |
| CN103696710A (en) * | 2012-09-28 | 2014-04-02 | 中国石油化工股份有限公司 | Overground operating string delivery mechanism |
| CN203682986U (en) * | 2013-11-05 | 2014-07-02 | 南京熊猫电子股份有限公司 | Shear-fork type electric lifting platform mechanism |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049044A (en) * | 2020-09-05 | 2020-12-08 | 李阳 | Blocking and draining mechanism for parking lot |
| CN112049044B (en) * | 2020-09-05 | 2021-06-01 | 深圳市宝晨物业管理有限公司 | Blocking and draining mechanism for parking lot |
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| PB01 | Publication | ||
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Application publication date: 20180406 |