CN107386157A - A kind of parking lot hydraulic control retractable vehicle blocking apparatus - Google Patents
A kind of parking lot hydraulic control retractable vehicle blocking apparatus Download PDFInfo
- Publication number
- CN107386157A CN107386157A CN201710790627.5A CN201710790627A CN107386157A CN 107386157 A CN107386157 A CN 107386157A CN 201710790627 A CN201710790627 A CN 201710790627A CN 107386157 A CN107386157 A CN 107386157A
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- China
- Prior art keywords
- expansion link
- fixedly connected
- casing
- hole
- hydraulic
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Classifications
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- 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
- E01F13/04—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage
- E01F13/048—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage with obstructing members moving in a translatory motion, e.g. vertical lift barriers, sliding gates
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses a kind of parking lot hydraulic control retractable vehicle blocking apparatus, including bearing, the bearing is fixedly mounted on the ground, the bearing is by being fixedly mounted casing on the ground, the Box Cover being fixedly connected positioned at casing rear with casing, the oil filler being opened on casing side surface, the hydraulic means for being fixedly connected with tank floor and being fixedly connected with oil filler below box house, the flexible interception lever apparatus for being opened in the expansion link mouth of the preceding surface of casing and being fixedly mounted on box house top and being fixedly connected with expansion link mouth collectively forms, the bearing is externally provided with controller, the power output end of the controller is electrically connected with hydraulic pump and hydraulic buttery valve, the signal receiving end of the controller is electrically connected with liquid level sensor.The invention has the advantages that it is simple in construction, it is practical.
Description
Technical field
The present invention relates to vehicle-intercepting apparatus field, particularly a kind of parking lot is intercepted with hydraulic control retractable vehicle and filled
Put.
Background technology
Now as vehicle is more and more in life, parking lot is also more and more, and existing vehicle obstructing device is most
Number is rotation and lifting type, and the speed that this type often rises and declined is slow, and for highly also requiring, accounts for
Ground area is larger.
The content of the invention
The invention aims to solve the above problems, devise a kind of parking lot and blocked with hydraulic control retractable vehicle
Cut device.
Realize above-mentioned purpose the technical scheme is that, a kind of parking lot with hydraulic control retractable vehicle intercept fill
Put, including bearing, the bearing is fixedly mounted on the ground, the bearing by casing on the ground is fixedly mounted, positioned at case
Box Cover that body rear is fixedly connected with casing, the oil filler being opened on casing side surface, below box house and casing
Hydraulic means that bottom surface is fixedly connected and is fixedly connected with oil filler, the expansion link mouth for being opened in the preceding surface of casing and fixed peace
The flexible interception lever apparatus being fixedly connected above box house and with expansion link mouth collectively forms, and the hydraulic means is by position
In box house and hydraulic fluid tank that bottom half is fixedly connected, the repairing mouth being opened in above hydraulic fluid tank, it is fixedly mounted on repairing mouth
On repairing pipe, the oil-out for being opened in the side surface lower end of hydraulic fluid tank one, the flowline being fixedly mounted on oil-out, be fixedly mounted
Hydraulic pump on flowline, the hydraulic pressure pump activation device in hydraulic pump and positioned at hydraulic fluid tank inside upper surface and hydraulic fluid tank
The liquid level sensor that upper surface is fixedly connected collectively forms, and the flexible interception lever apparatus is by positioned at box house upper end and casing
The fix bar that is fixedly connected and is fixedly connected with expansion link mouth, the hydraulic fluid port being opened on fix bar rear surface, it is fixedly mounted on oil
The hydraulic buttery valve that is fixedly connected on mouth and with flowline, the groove being opened on fix bar inside, it is fixedly mounted in groove
Grove shaped circumferential block and the multi-deck extension lever apparatus being flexibly connected in groove with grove shaped circumferential block collectively form, described more
Layer Telescopic rod device by be flexibly connected in groove with grove shaped circumferential block the first expansion link, stretched with first in groove
First annular back-up ring that contracting bar one end is fixedly connected, the first through hole being opened in inside the first expansion link, positioned at first through hole both ends
It is the first annular block that is fixedly connected with first through hole, the second expansion link being movably arranged in first through hole, logical positioned at first
The second annular retaining ring for being fixedly connected in hole with second expansion link one end, the second through hole being opened in inside the second expansion link, it is located at
The second collar stop that second through hole both ends are fixedly connected with the second through hole, the 3rd be movably arranged in the second through hole are flexible
Bar, the 3rd annular retaining ring being fixedly connected in the second through hole with the 3rd expansion link one end, it is opened in inside the 3rd expansion link
Third through-hole, the 3rd collar stop being fixedly connected positioned at third through-hole both ends with third through-hole, it is movably arranged on third through-hole
The 4th interior expansion link and the fourth annular back-up ring being fixedly connected in third through-hole with the 4th expansion link one end collectively form,
The bearing is externally provided with controller, and power output end and the hydraulic pump and hydraulic buttery valve of the controller are electrically connected with, described
The signal receiving end of controller is electrically connected with liquid level sensor.
The fix bar inner lateral surfaces are provided with pressure sensor, and the signal of the pressure sensor and controller receives
End is fixedly connected.
The first annular back-up ring, the second annular retaining ring, the 3rd annular retaining ring, fourth annular back-up ring are by rubber seal structure
Into.
The fix bar, the first expansion link, the second expansion link, the 3rd expansion link and the 4th expansion link are made up of square bar.
The Box Cover is crossed bolt and is fixedly connected with casing.
Described 4th flexible rod end is provided with link stopper, the block and the fit depressions in fix bar.
The oil filler is connected by screw thread with external refueling device.
The controller is provided with PLC system.
The controller is provided with electric capacity display screen, control button and switching device.
The controller, which is provided with, uses electrical interface, described to be electrically connected with electrical interface and external power source.
A kind of parking lot hydraulic control retractable vehicle blocking apparatus made using technical scheme, is passed through
Hydraulic system is controlled, to control retractor device to be stretched, control vehicle pass-through has been reached, can both accomplish quick-expansion, and
And control and its simple, the present apparatus is simple in construction, easy to operate, takes up an area minimum, and cost is relatively low.
Brief description of the drawings
Fig. 1 is a kind of structural representation of parking lot hydraulic control retractable vehicle blocking apparatus of the present invention；
Fig. 2 is a kind of rearview of parking lot hydraulic control retractable vehicle blocking apparatus of the present invention；
Fig. 3 is the schematic diagram of controller of the present invention；
In figure, 1, bearing；2nd, casing；3rd, Box Cover；4th, oil filler；5th, hydraulic means；6th, expansion link mouth；7th, stretch and intercept
Lever apparatus；8th, hydraulic fluid tank；9th, repairing mouth；10th, repairing pipe；11st, oil-out；12nd, flowline；13rd, hydraulic pump；14th, hydraulic pump opens
Dynamic device；15th, liquid level sensor；16th, fix bar；17th, hydraulic fluid port；18th, hydraulic buttery valve；19th, groove；20th, grove shaped circumferential block；
21st, the first expansion link；22nd, first annular back-up ring；23rd, first through hole；24th, first annular block；25th, the second expansion link；26th,
Second ring back-up ring；27th, the second through hole；28th, the second collar stop；29th, the 3rd expansion link；30th, the 3rd annular retaining ring；31st, the 3rd
Through hole；32nd, the 3rd collar stop；33rd, the 4th expansion link；34th, fourth annular back-up ring；35th, controller；36th, pressure sensor；
37th, block；38th, PLC system；39th, electric capacity display screen；40th, control button；41st, switching device；42nd, electrical interface is used.
Embodiment
The present invention is specifically described below in conjunction with the accompanying drawings, as Figure 1-3, a kind of parking lot is stretched with hydraulic control
Formula vehicle-intercepting device, including bearing 1, the bearing 1 are fixedly mounted on the ground, and the bearing 1 is by being fixedly mounted on ground
On casing 2, be fixedly connected positioned at the rear of casing 2 with casing 2 Box Cover 3, be opened on the side surface of casing 2 oil filler 4, position
In the hydraulic means 5 that the lower inside of casing 2 is fixedly connected with the bottom surface of casing 2 and is fixedly connected with oil filler 4, be opened in casing 2 before
The expansion link mouth 6 of surface and the flexible interception bar for being fixedly mounted on the inner upper of casing 2 and being fixedly connected with expansion link mouth 6
Device 7 collectively forms, the hydraulic means 5 by be fixedly connected positioned at the inside of casing 2 with the bottom of casing 2 hydraulic fluid tank 8, be opened in liquid
The repairing mouth 9 of the top of pressure case 8, the repairing pipe 10 being fixedly mounted on repairing mouth 9, it is opened in going out for the side surface lower end of hydraulic fluid tank 8 one
Hydraulic fluid port 11, the flowline 12 being fixedly mounted on oil-out 11, the hydraulic pump 13 being fixedly mounted on flowline 12, positioned at hydraulic pressure
Hydraulic pressure pump activation device 14 in pump 13 and the liquid level being fixedly connected positioned at the inside upper surface of hydraulic fluid tank 8 with the upper surface of hydraulic fluid tank 8
Sensor 15 collectively forms, and the flexible interception lever apparatus 7 positioned at the inner upper end of casing 2 with casing 2 by being fixedly connected and with stretching
Fix bar 16 that contracting bar mouth 6 is fixedly connected, the hydraulic fluid port 17 being opened on the rear surface of fix bar 16, be fixedly mounted on hydraulic fluid port 17 and
The hydraulic buttery valve 18 that is fixedly connected with flowline 12, the groove 19 being opened on the inside of fix bar 16, it is fixedly mounted on groove 19
Interior grove shaped circumferential block 20 and the multi-deck extension lever apparatus being flexibly connected in groove 19 with grove shaped circumferential block 20 are common
Form, the multi-deck extension lever apparatus by be flexibly connected with grove shaped circumferential block 20 in the groove 19 the first expansion link 21,
Positioned at the interior first annular back-up ring 22 being fixedly connected with the one end of the first expansion link 21 of groove 19, it is opened in inside the first expansion link 21
First through hole 23, the first annular block 24 being fixedly connected positioned at the both ends of first through hole 23 with first through hole 23, it is movably arranged on
The second expansion link 25 in first through hole 23, the second ring being fixedly connected in first through hole 23 with the one end of the second expansion link 25
Shape back-up ring 26, the second through hole 27 being opened in inside the second expansion link 25, fix positioned at the both ends of the second through hole 27 and the second through hole 27
Second collar stop 28 of connection, the 3rd expansion link 29 being movably arranged in the second through hole 27, in the second through hole 27 with
The one end of 3rd expansion link 29 the 3rd annular retaining ring 30 being fixedly connected, the third through-hole 31 being opened in inside the 3rd expansion link 29, position
The 3rd collar stop 32 that is fixedly connected in the both ends of third through-hole 31 with third through-hole 31, it is movably arranged in third through-hole 31
4th expansion link 33 and the fourth annular back-up ring 34 being fixedly connected in third through-hole 31 with the one end of the 4th expansion link 33 are common
Form, the bearing 1 is externally provided with controller 35, and the power output end and hydraulic pump and hydraulic buttery valve of the controller 35 are electrical
Connection, signal receiving end and the liquid level sensor of the controller 35 are electrically connected with；Set in the inner lateral surfaces of fix bar 16
There is pressure sensor 36, the pressure sensor 36 is fixedly connected with the signal receiving end of controller 35；The first annular gear
The 22, second annular retaining ring 26 of circle, the 3rd annular retaining ring 30, fourth annular back-up ring 34 are made up of rubber seal；The fix bar
16th, the first expansion link 21, the second expansion link 25, the 3rd expansion link 29 and the 4th expansion link 33 are made up of square bar；The Box Cover 3
Bolt is crossed to be fixedly connected with casing 2；The end of 4th expansion link 33 is provided with link stopper 37, the block 37 with it is recessed in fix bar 16
Groove 19 is engaged；The oil filler 4 is connected by screw thread with external refueling device；The controller 35 is provided with PLC system 38；
The controller 35 is provided with electric capacity display screen 39, control button 40 and switching device 41；The controller 35 is provided with electricity consumption
Interface 42, it is described to be electrically connected with electrical interface 42 and external power source.
The characteristics of the present embodiment is, bearing is by being fixedly mounted casing on the ground, consolidating positioned at casing rear and casing
Surely the Box Cover that connects, the oil filler being opened on casing side surface, be fixedly connected with tank floor below box house and
The hydraulic means that is fixedly connected with oil filler, it is opened in the expansion link mouth of the preceding surface of casing and is fixedly mounted on box house
Flexible interception lever apparatus that is square and being fixedly connected with expansion link mouth collectively forms, and hydraulic means is by positioned at box house and casing bottom
Hydraulic fluid tank that portion is fixedly connected, the repairing mouth being opened in above hydraulic fluid tank, the repairing pipe being fixedly mounted on repairing mouth, it is opened in hydraulic pressure
The oil-out of the side surface lower end of case one, the flowline being fixedly mounted on oil-out, the hydraulic pump being fixedly mounted on flowline,
Hydraulic pressure pump activation device in hydraulic pump and the liquid being fixedly connected positioned at hydraulic fluid tank inside upper surface with hydraulic fluid tank upper surface
Level sensor collectively forms, and stretches and intercepts lever apparatus by being fixedly connected with casing positioned at box house upper end and consolidating with expansion link mouth
Surely the fix bar that connects, the hydraulic fluid port being opened on fix bar rear surface, it is fixedly mounted on hydraulic fluid port and is fixedly connected with flowline
Hydraulic buttery valve, be opened on fix bar inside groove, be fixedly mounted on grove shaped circumferential block and in groove and groove
The multi-deck extension lever apparatus that collar stop is flexibly connected collectively forms, and multi-deck extension lever apparatus is by groove and grove shaped circumferential
First expansion link of block flexible connection, the first annular back-up ring being fixedly connected in groove with first expansion link one end, open
First through hole inside the first expansion link, the first annular block being fixedly connected positioned at first through hole both ends with first through hole,
The second expansion link for being movably arranged in first through hole, second be fixedly connected in first through hole with second expansion link one end
Annular retaining ring, the second through hole being opened in inside the second expansion link, be fixedly connected positioned at the second through hole both ends with the second through hole
Second ring block, the 3rd expansion link being movably arranged in the second through hole, consolidate in the second through hole with the 3rd expansion link one end
Surely the 3rd annular retaining ring that connects, the third through-hole being opened in inside the 3rd expansion link, positioned at third through-hole both ends and third through-hole
The 3rd collar stop that is fixedly connected, the 4th expansion link being movably arranged in third through-hole and in third through-hole with the 4th
The fourth annular back-up ring that expansion link one end is fixedly connected collectively forms, by controlling hydraulic system, to control retractor device to carry out
It is flexible, control vehicle pass-through has been reached, can both accomplish quick-expansion, and control and its simple, the present apparatus is simple in construction, behaviour
Facilitate, occupation of land is minimum, and cost is relatively low.
In the present embodiment, by equipment power-on, the switching device on controller is controlled, equipment is started, passed through
The control device on controller is controlled, controls hydraulic pressure pump startup, while controls hydraulic buttery valve to start, makes hydraulic pump by hydraulic fluid tank
Interior hydraulic oil is added in flexible interception lever apparatus, after hydraulic oil enters flexible intercept in lever apparatus, starts that first stretches
Bar, the second expansion link, the 3rd expansion link and the 4th expansion link all support away, make flexible interception lever apparatus full extension, control
Device processed works as pressure by controlling the signal that the pressure sensor in fix bar is sent out to intercept the state of lever apparatus to determine to stretch
When the signal value of sensor outflow reaches controller setting value, controller control hydraulic pump is stopped, while controls hydraulic pressure electric
Magnet valve is stopped, and hydraulic oil is parked in flexible interception lever apparatus, when there is car, controller is by controlling hydraulic buttery valve
Start working, flowline is become path, while control hydraulic pump to invert, the hydraulic oil in flexible interception lever apparatus is pumped back
In hydraulic fluid tank, and hydraulic stem by atmospheric pressure by after the original contraction state of compression and back, vehicle can pass through.Controller passes through control
Liquid level sensor in hydraulic fluid tank processed monitors the The hydraulic oil in hydraulic fluid tank, and hydraulic oil carries out repairing by oil filler.
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 parking lot hydraulic control retractable vehicle blocking apparatus, including bearing (1), it is characterised in that the bearing
(1) be fixedly mounted on the ground, the bearing (1) by be fixedly mounted casing (2) on the ground, positioned at casing (2) rear with
Box Cover (3) that casing (2) is fixedly connected, the oil filler (4) being opened on casing (2) side surface, positioned at casing (2) lower inside
The hydraulic means (5) that is fixedly connected with casing (2) bottom surface and is fixedly connected with oil filler (4), it is opened in casing (2) preceding surface
Expansion link mouth (6) and be fixedly mounted on casing (2) inner upper and be fixedly connected with expansion link mouth (6) flexible interception bar dress
Put (7) to collectively form, the hydraulic means (5) is by positioned at the internal hydraulic fluid tank being fixedly connected with casing (2) bottom of casing (2)
(8) the repairing mouth (9) above hydraulic fluid tank (8), the repairing pipe (10) being fixedly mounted on repairing mouth (9), are opened in, is opened in hydraulic fluid tank
The oil-out (11) of (8) one side surfaces lower end, the flowline (12) being fixedly mounted on oil-out (11), be fixedly mounted on it is fuel-displaced
Manage the hydraulic pump (13) on (12), the hydraulic pressure pump activation device (14) in hydraulic pump (13) and positioned at hydraulic fluid tank (8) inside
The liquid level sensor (15) that upper surface is fixedly connected with hydraulic fluid tank (8) upper surface collectively forms, the flexible interception lever apparatus (7)
By be fixedly connected with casing (2) positioned at casing (2) inner upper end and be fixedly connected with expansion link mouth (6) fix bar (16), open
Hydraulic fluid port (17) on fix bar (16) rear surface, it is fixedly mounted on hydraulic fluid port (17) and is fixedly connected with flowline (12)
Hydraulic buttery valve (18), the groove (19) being opened on fix bar (16) inside, the grove shaped circumferential being fixedly mounted in groove (19)
Block (20) and the multi-deck extension lever apparatus being flexibly connected in groove (19) with grove shaped circumferential block (20) collectively form, institute
Multi-deck extension lever apparatus is stated by positioned at interior the first expansion link (21) being flexibly connected with grove shaped circumferential block (20) of groove (19), position
In the first annular back-up ring (22) being fixedly connected in groove (19) with the first expansion link (21) one end, it is opened in the first expansion link (21)
The first through hole (23) of inside, the first annular block being fixedly connected positioned at first through hole (23) both ends with first through hole (23)
(24), be movably arranged on the second expansion link (25) in first through hole (23), in first through hole (23) with the second expansion link
(25) one end is fixedly connected the second annular retaining ring (26), it is opened in internal the second through hole (27) of the second expansion link (25), is located at
The second collar stop (28) that second through hole (27) both ends are fixedly connected with the second through hole (27), it is movably arranged on the second through hole
(27) the 3rd expansion link (29) in, the 3rd ring being fixedly connected in the second through hole (27) with the 3rd expansion link (29) one end
Shape back-up ring (30), it is opened in the internal third through-hole (31) of the 3rd expansion link (29), positioned at third through-hole (31) both ends and threeway
The 3rd collar stop (32) that hole (31) is fixedly connected, the 4th expansion link (33) being movably arranged in third through-hole (31) and position
Collectively formed in the fourth annular back-up ring (34) being fixedly connected in third through-hole (31) with the 4th expansion link (33) one end, the branch
Seat (1) is externally provided with controller (35), and power output end and the hydraulic pump and hydraulic buttery valve of the controller (35) are electrically connected with,
The signal receiving end of the controller (35) is electrically connected with liquid level sensor.
A kind of 2. parking lot according to claim 1 hydraulic control retractable vehicle blocking apparatus, it is characterised in that institute
State fix bar (16) inner lateral surfaces and be provided with pressure sensor (36), the pressure sensor (36) and the letter of controller (35)
Number receiving terminal is fixedly connected.
A kind of 3. parking lot according to claim 1 hydraulic control retractable vehicle blocking apparatus, it is characterised in that institute
It is close by rubber to state first annular back-up ring (22), the second annular retaining ring (26), the 3rd annular retaining ring (30), fourth annular back-up ring (34)
Seal is formed.
A kind of 4. parking lot according to claim 1 hydraulic control retractable vehicle blocking apparatus, it is characterised in that institute
Fix bar (16), the first expansion link (21), the second expansion link (25), the 3rd expansion link (29) and the 4th expansion link (33) are stated by side
Bar is formed.
A kind of 5. parking lot according to claim 1 hydraulic control retractable vehicle blocking apparatus, it is characterised in that institute
Box Cover (3) bolt excessively is stated to be fixedly connected with casing (2).
A kind of 6. parking lot according to claim 1 hydraulic control retractable vehicle blocking apparatus, it is characterised in that institute
State the 4th expansion link (33) end and be provided with link stopper (37), the block (37) is engaged with the groove (19) in fix bar (16).
A kind of 7. parking lot according to claim 1 hydraulic control retractable vehicle blocking apparatus, it is characterised in that institute
Oil filler (4) is stated to be connected with external refueling device by screw thread.
A kind of 8. parking lot according to claim 1 hydraulic control retractable vehicle blocking apparatus, it is characterised in that institute
State controller (35) and be provided with PLC system (38).
A kind of 9. parking lot according to claim 1 hydraulic control retractable vehicle blocking apparatus, it is characterised in that institute
State controller (35) and be provided with electric capacity display screen (39), control button (40) and switching device (41).
A kind of 10. parking lot according to claim 1 hydraulic control retractable vehicle blocking apparatus, it is characterised in that
The controller (35), which is provided with, uses electrical interface (42), described to be electrically connected with electrical interface (42) and external power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710790627.5A CN107386157A (en) | 2017-09-05 | 2017-09-05 | A kind of parking lot hydraulic control retractable vehicle blocking apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710790627.5A CN107386157A (en) | 2017-09-05 | 2017-09-05 | A kind of parking lot hydraulic control retractable vehicle blocking apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107386157A true CN107386157A (en) | 2017-11-24 |
Family
ID=60349132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710790627.5A Pending CN107386157A (en) | 2017-09-05 | 2017-09-05 | A kind of parking lot hydraulic control retractable vehicle blocking apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107386157A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108518088A (en) * | 2018-04-18 | 2018-09-11 | 青岛雅资伟信科技服务有限公司 | It is a kind of on road can rapid deployment steel structure canopy device |
| CN108517805A (en) * | 2018-06-19 | 2018-09-11 | 河南孚点电子科技有限公司 | A kind of telescopic pushing-off the wagons lever apparatus based on safety technological guard engineering |
| CN111063237A (en) * | 2019-11-20 | 2020-04-24 | 南通市质量和标准化研究所 | Self-service learning device for enterprise standardized learning |
| CN112144437A (en) * | 2020-10-15 | 2020-12-29 | 江西固恒科技有限公司 | Traffic protection dredging device based on traffic safety guarantee |
| CN112288919A (en) * | 2020-12-15 | 2021-01-29 | 南京狼旗网络传媒有限公司 | Multi-functional high security wireless intelligent entrance guard recognizer |
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| WO2003027398A1 (en) * | 2001-09-21 | 2003-04-03 | Prospective Concepts Ag | Pneumatic barrier |
| CN2599063Y (en) * | 2003-02-25 | 2004-01-14 | 齐涛 | Barricade for vehicle |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108518088A (en) * | 2018-04-18 | 2018-09-11 | 青岛雅资伟信科技服务有限公司 | It is a kind of on road can rapid deployment steel structure canopy device |
| CN108517805A (en) * | 2018-06-19 | 2018-09-11 | 河南孚点电子科技有限公司 | A kind of telescopic pushing-off the wagons lever apparatus based on safety technological guard engineering |
| CN111063237A (en) * | 2019-11-20 | 2020-04-24 | 南通市质量和标准化研究所 | Self-service learning device for enterprise standardized learning |
| CN112144437A (en) * | 2020-10-15 | 2020-12-29 | 江西固恒科技有限公司 | Traffic protection dredging device based on traffic safety guarantee |
| CN112288919A (en) * | 2020-12-15 | 2021-01-29 | 南京狼旗网络传媒有限公司 | Multi-functional high security wireless intelligent entrance guard recognizer |
| CN112288919B (en) * | 2020-12-15 | 2021-04-02 | 南京狼旗网络传媒有限公司 | Multi-functional high security wireless intelligent entrance guard recognizer |
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