CN101509236A - Road gate - Google Patents
Road gate Download PDFInfo
- Publication number
- CN101509236A CN101509236A CNA2009101323343A CN200910132334A CN101509236A CN 101509236 A CN101509236 A CN 101509236A CN A2009101323343 A CNA2009101323343 A CN A2009101323343A CN 200910132334 A CN200910132334 A CN 200910132334A CN 101509236 A CN101509236 A CN 101509236A
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- spring
- output shaft
- vibration damping
- crank arm
- lifting lever
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Abstract
The invention relates to a barrier gate, in particular to a barrier gate which is simple for installing and is simple for changing the rising and falling directions of the barrier gate. The barrier gate comprises a chassis, a chassis pedestal and a brake rod. A motor and a speed reducer are installed in the chassis. The speed reducer is provided with an output shaft. The chassis pedestal is connected with the output shaft by a counter balance spring and a spring adjustment crank arm, and the other end of the spring adjustment crank arm is fixed at the output shaft. An upper end of the counter balance spring is connected with the spring adjustment crank arm, and a lower end is connected by the chassis pedestal in a coupling way. A rotating shaft for coupling the lower end of the counter balance spring and the chassis pedestal is arranged under the vertical direction of the output shaft. The length of the spring adjustment crank arm is adjusted for adjusting the moment of the counter balance spring towards the output shaft. The barrier gate has the beneficial effects that the barrier gate can realize the change of the left rising and falling directions and the right rising and falling directions simply and adopts a duplex adjustment way for the adjustment of the elasticity of the counter balance spring, and the barrier gate has strong practibility, can be installed and adjusted without special factory installation personnel and saves manpower and resources.
Description
Technical field
The present invention relates to a kind of banister, refer more particularly to a kind of simple installation and the banister direction of rising and falling and change simple banister.
Background technology
Existing banister cassette mechanism structure is as shown in Figure 1: the banister movement comprises restrictor bar 1, motor 4, reducer 3 and balance spring assembly 30, and motor 4 provides power for reducer 3, and reducer 3 output shafts 7 drive the restrictor bar main shafts, and the restrictor bar main shaft drives restrictor bar 1 lifting then.But existing banister movement has following some shortcomings part:
1), because the qualified relation of structure, balancing spring device 30 can only be arranged on the side of reducer 3 output shafts 7, so just can give the balance pulling force of motor 4, so it also can only have unique fixing lock direction of rising and falling, be not to rise and fall on the right of the left side is risen and fallen exactly.This kind structure causes changing core device with regard to needs when needs change the lock direction of rising and falling, owing to this reason, manufacturer can only require to transport the road brake structure of the predetermined direction of rising and falling according to client's banister direction, but the client is because the change or the other reasons of infield, cause the requirement banister direction of rising and falling to be original predetermined rightabout, so just can only require manufacturer to change different banister movements, therefore can cause the trouble and the loss of transportation and manpower.
2), do not possess arrangement of clutch, in the manual fluctuation restrictor bar, need shake the motor lifting lever, waste time and energy by handle.
Based on the weak point of above-mentioned existing banister, the inventor has designed the present invention, is used to solve the above-mentioned weak point of existing banister.
Summary of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art technical problem to be solved is: a kind of simple installation is provided, changes the banister simple novel banister of direction that rises and falls.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of banister, comprise cabinet, chassis base and restrictor bar, be equiped with motor and reducer in the cabinet, reducer is provided with output shaft, described chassis base is connected with output shaft by spring regulating device, spring regulating device comprises that the balancing spring that is connected and spring are regulated and cranks arm, spring is regulated the other end of cranking arm and is fixed in output shaft, the upper end of balancing spring is regulated to crank arm with spring and is connected, the lower end and the chassis base of balancing spring are coupling, the axis of rotation that balancing spring lower end and chassis base are coupling is positioned at the vertical direction below of output shaft, regulates the length of cranking arm by regulating spring and reaches the moment size of adjustment spring to output shaft.With the output shaft position of balance staff and reducer in mutually concordant rise and fall on the both sides function of direction of restrictor bar that realizes of vertical direction, general banister movement all is that counter spring structure is arranged on the left and right sides, output shaft position, and reason is arranged on both sides and could utilizes the length generation moment of cranking arm that rising and falling of restrictor bar played balanced action.
Described spring regulating device also comprises spring spool and is set in the interior spring pull bar of balancing spring, the balancing spring upper end is resisted against the spring spool epipleural, spring pull bar upper end passes from the through hole of spring spool upside, spring pull bar lower end is provided with the spring that is used for regulating spring elastic force and regulates block, the lower end of spring spool is located on the spring housing cylinder base, spring spool and spring housing cylinder base are coupling by balance staff, balance staff and the vertical direction below that is positioned at the output shaft position.
The upper end of described spring pull bar is regulated connecting rod by bidirectional modulation nut and spring and is socket-connected, the two ends of bidirectional modulation nut are respectively left hand thread and right-handed thread, spring adjusting connecting rod and spring are regulated an end of cranking arm and are coupling by joint shaft, spring is regulated the other end of cranking arm and is threaded, spring is regulated behind the through hole that the other end crank arm is arranged in output shaft with the spring adjusting nut of cranking arm and is fixed, the spring adjusting nut of cranking arm is used for regulating spring and regulates the length of cranking arm, and regulates the length of cranking arm by regulating spring and reaches the moment size of adjustment spring to output shaft.
The right-handed thread that the screw thread of the end of described spring pull bar and bidirectional modulation nut is suitable, it is the suitable left hand thread of bidirectional modulation nut other end screw thread that spring is regulated connecting rod, also be provided with the link lock jack panel on spring adjusting connecting rod, this link lock jack panel is a left hand thread.
Described output sleeve is provided with vertical spacing anti-dazzling screen and the spacing anti-dazzling screen of level, be provided with photoelectric limit switch in reducer, vertical spacing anti-dazzling screen, the spacing anti-dazzling screen of level and the combined control motor of photoelectric limit switch are closed when the horizontal or vertical state of restrictor bar.
The described reduction box outside is provided with vibration absorber, vibration absorber comprises symmetrical two pairs of lifting lever vibration damping push rods and lifting lever shock-absorbing spring, also be socketed with the spacing back-up ring of push rod on the lifting lever vibration damping push rod, be provided with and lifting lever vibration damping push rod and the combined vibration damping briquetting that is used for damping effect of lifting lever shock-absorbing spring in output shaft, output shaft is provided with the embedding hole that is used for solid embedding vibration damping briquetting, when restrictor bar during at vertical state, balancing spring and spring are regulated to crank arm and are positioned at plumbness, the vibration damping briquetting is resisted against the lifting lever vibration damping push rod and the lifting lever shock-absorbing spring of a side, vertical spacing anti-dazzling screen and photoelectric limit switch are positioned at closed condition, when starting motor, output shaft skew vertical spacing anti-dazzling screen in back and photoelectric limit switch are converted to open mode at once, motor works on, balancing spring and spring are regulated and cranked arm with the joint shaft is that axle is done a relative rotation, along with restrictor bar rotates toward horizontal direction, after being stretched, balancing spring produces screen resilience, restrictor bar is steadily fallen, the vibration damping briquetting rotates to a pair of lifting lever vibration damping push rod and the lifting lever shock-absorbing spring of opposite side in addition, the lifting lever shock-absorbing spring produces elastic force, and the control restrictor bar slowly rotates to horizontal level.
Described output shaft is provided with orthogonal two embedding holes, the vibration damping briquetting is provided with different embedding hole realizes restrictor bar left side direction or the right direction of rising and falling of rising and falling, and simultaneously the position Rotate 180 of the spacing anti-dazzling screen of level ° is realized that a restrictor bar is is oppositely rising and falling.The present invention can be applicable to the road bar structure that reaches 6 meters.
The beneficial effect of a kind of banister of the present invention is:
The rise and fall exchange of direction of its can the easy realization left side rise and fall direction and the right, only need conversion vibration damping briquetting and vertical spacing anti-dazzling screen, the relevant position of the spacing anti-dazzling screen of level can be realized the easy conversion direction of rising and falling, and adopting dual compound regulative mode aspect the adjusting of balancing spring elastic force, the one, regulating spring is regulated the position of block, the 2nd, regulating spring is regulated the length of cranking arm and is realized, has extremely strong practicality, in such cases, need not specialized factory's installation personnel and can finish installation and adjustment, a large amount of saving manpowers and material resources, and it can be applicable to the road bar structure that reaches 6 meters.
Description of drawings
Fig. 1 is the structural representation of existing road brake structure (rising and falling in the right);
Fig. 2 is the level structure elevation that restrictor bar of the present invention rises and falls on the right;
Fig. 3 is the level STRUCTURE DECOMPOSITION schematic diagram that restrictor bar of the present invention rises and falls on the right;
Fig. 4 is the level overall structure schematic diagram that restrictor bar of the present invention rises and falls on the right;
Fig. 5 is the plumbness structure elevation that restrictor bar of the present invention rises and falls on the right;
Fig. 6 is the plumbness overall structure schematic diagram that restrictor bar of the present invention rises and falls on the right;
Fig. 7 is the level overall structure schematic diagram that restrictor bar on the left side of the present invention rises and falls;
Fig. 8 is the level structure elevation that restrictor bar on the left side of the present invention rises and falls;
Fig. 9 is the plumbness structure elevation that restrictor bar on the left side of the present invention rises and falls;
Figure 10 is the plumbness overall structure schematic diagram that restrictor bar on the left side of the present invention rises and falls;
Figure 11 is embodiments of the invention two structural representations.
Description of reference numerals:
1, restrictor bar 2, cabinet 3, reduction box
4, motor 5, photoelectric limit switch 6, spring are regulated and are cranked arm
7, crank arm adjusting nut 9, joint shaft of fork axle 8, spring
10, spring is regulated connecting rod 11, link lock jack panel 12, bidirectional modulation nut
13, spring pull bar 14, spring spool 15, balancing spring
16, spring housing cylinder base 17, chassis base 18, balance staff
19, spring is regulated block 20, lifting lever vibration damping push rod 21, lifting lever shock-absorbing spring
22, vibration damping briquetting 23, vertical spacing anti-dazzling screen 24, the spacing anti-dazzling screen of level
25, vibration damping push rod fairlead 26, vibration damping briquetting fixed screw 27, the spacing back-up ring of push rod
28, spring draw ring
The specific embodiment
With reference to Fig. 2 to Figure 11, the present invention implements like this:
In Fig. 2 to Figure 11, a kind of banister, comprise cabinet (2), chassis base (17) and restrictor bar (1), be equiped with motor (4) and reducer (3) in the cabinet (2), reducer (3) is provided with output shaft (7), chassis base (17) is connected with output shaft (7) by spring regulating device, spring regulating device comprises that the balancing spring (15) that is connected and spring regulate crank arm (6), the other end that spring is regulated crank arm (6) is fixed in output shaft (7), the upper end of balancing spring (15) is regulated crank arm (6) with spring and is connected, the lower end of balancing spring (15) and chassis base (17) are coupling, the axis of rotation that balancing spring (15) lower end and chassis base (17) are coupling is positioned at the vertical direction below of output shaft (7), regulates (6) length of cranking arm by regulating spring and reaches the moment size of adjustment spring (15) to output shaft (7).Spring regulating device also comprises spring spool (14) and is set in the interior spring pull bar (13) of balancing spring (15), balancing spring (15) upper end is resisted against spring spool (14) epipleural, spring pull bar (13) upper end passes from the through hole of spring spool (14) upside, spring pull bar (13) lower end is provided with the spring that is used for regulating spring elastic force and regulates block (19), the lower end of spring spool (14) is located on the spring housing cylinder base (16), spring spool (14) and spring housing cylinder base (16) are coupling by balance staff (18), balance staff (18) and the vertical direction below that is positioned at output shaft (7) position.
The upper end of spring pull bar (13) is regulated connecting rod (10) by bidirectional modulation nut (12) and spring and is socket-connected, the two ends of bidirectional modulation nut (12) are respectively left hand thread and right-handed thread, spring adjusting connecting rod (10) is coupling by joint shaft (9) with the end that spring is regulated crank arm (6), the other end that spring is regulated crank arm (6) is threaded, the other end that spring is regulated crank arm (6) is arranged in behind the through hole of output shaft (7) with the spring adjusting nut (8) of cranking arm fixing, the spring adjusting nut (8) of cranking arm is used for regulating spring and regulates (6) length of cranking arm, and regulates (6) length of cranking arm by regulating spring and reaches the moment size of adjustment spring (15) to output shaft (7).
The suitable right-handed thread of screw thread of the end of spring pull bar (13) and bidirectional modulation nut (12), it is the suitable left hand thread of bidirectional modulation nut (12) other end screw thread that spring is regulated connecting rod (10), also be provided with link lock jack panel (11) on spring adjusting connecting rod (10), this link lock jack panel (11) is a left hand thread.
Output shaft (7) is arranged with vertical spacing anti-dazzling screen (23) and the spacing anti-dazzling screen of level (24), be provided with photoelectric limit switch (5) in reducer (3), vertical spacing anti-dazzling screen (23), the spacing anti-dazzling screen of level (24) are closed when the horizontal or vertical state of restrictor bar (1) with the combined control motor of photoelectric limit switch (5) (4).
Reduction box (3) outside is provided with vibration absorber, vibration absorber comprises symmetrical two pairs of lifting lever vibration damping push rods (20) and lifting lever shock-absorbing spring (21), also be socketed with the spacing back-up ring of push rod (27) on the lifting lever vibration damping push rod (20), be provided with and lifting lever vibration damping push rod (20) and the combined vibration damping briquetting (22) that is used for damping effect of lifting lever shock-absorbing spring (21) in output shaft (7), output shaft (7) is provided with the embedding hole that is used for solid embedding vibration damping briquetting (22), when restrictor bar (1) during at vertical state, balancing spring (15) and spring are regulated crank arm (6) and are positioned at plumbness, vibration damping briquetting (22) is resisted against the lifting lever vibration damping push rod (20) and the lifting lever shock-absorbing spring (21) of a side, vertical spacing anti-dazzling screen (23) is positioned at closed condition with photoelectric limit switch (5), when starting motor (4), output shaft (7) the skew vertical spacing anti-dazzling screen in back (23) is converted to open mode at once with photoelectric limit switch (5), motor (4) works on, it serves as that axle is done relative rotation with joint shaft (9) that balancing spring (15) is regulated crank arm (6) with spring, along with restrictor bar (1) rotates toward horizontal direction, after being stretched, balancing spring (15) produces screen resilience, restrictor bar (1) is steadily fallen, vibration damping briquetting (22) rotates to a pair of lifting lever vibration damping push rod (20) and the lifting lever shock-absorbing spring (21) of opposite side in addition, lifting lever shock-absorbing spring (21) produces elastic force, and control restrictor bar (1) slowly rotates to horizontal level.
Output shaft (7) is provided with orthogonal two embedding holes, vibration damping briquetting (22) is provided with different embedding hole realizes restrictor bar (1) left side direction or the right direction of rising and falling of rising and falling, simultaneously the position Rotate 180 of the spacing anti-dazzling screen of level (24) ° is realized that a restrictor bar (1) is is oppositely rising and falling.
Wherein Fig. 2 to Fig. 6 is the state diagram that restrictor bar (1) rises and falls on the right, Fig. 7 to Figure 10 is the state diagram that restrictor bar (1) rises and falls on the right, and both differences are distinguished in the position of vibration damping briquetting (22) and the position of spacing anti-dazzling screen of level (24) and vertical spacing anti-dazzling screen (23).
Figure 11 is embodiments of the invention two structure charts, in the drawings, a kind of banister comprises cabinet (2), chassis base (17) and restrictor bar (1), be equiped with motor (4) and reducer (3) in the cabinet (2), reducer (3) is provided with output shaft (7), chassis base (17) is connected with output shaft (7) by spring regulating device, spring regulating device comprises that the balancing spring (15) that is connected and spring regulate crank arm (6), the other end that spring is regulated crank arm (6) is fixed in output shaft (7), the upper end of balancing spring (15) is regulated crank arm (6) by spring draw ring (28) and spring and is connected, the lower end of balancing spring (15) is coupling by spring draw ring (28) and chassis base (17), the axis of rotation that balancing spring (15) lower end and chassis base (17) are coupling is positioned at the vertical direction below of output shaft (7), regulates (6) length of cranking arm by regulating spring and reaches the moment size of adjustment spring (15) to output shaft (7).Only use balancing spring (15) and spring to regulate crank arm (6) and can realize the present invention.
In addition, the present invention can also increase two-way the drop that a spacing anti-dazzling screen of two-way level (24) can be realized bar (1) by cancellation vertical spacing anti-dazzling screen (23) and vibration damping briquetting (22).
The above, it only is the preferred embodiment of a kind of banister of the present invention, the above embodiments are not that technical scope of the present invention is imposed any restrictions, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention above any trickle modification, equivalent variations and modification that embodiment did.
Claims (7)
1, a kind of banister, comprise cabinet (2), chassis base (17) and restrictor bar (1), be equiped with motor (4) and reducer (3) in the cabinet (2), reducer (3) is provided with output shaft (7), it is characterized in that: described chassis base (17) is connected with output shaft (7) by spring regulating device, spring regulating device comprises that the balancing spring (15) that is connected and spring regulate crank arm (6), the other end that spring is regulated crank arm (6) is fixed in output shaft (7), the upper end of balancing spring (15) is regulated crank arm (6) with spring and is connected, the lower end of balancing spring (15) and chassis base (17) are coupling, the axis of rotation that balancing spring (15) lower end and chassis base (17) are coupling is positioned at the vertical direction below of output shaft (7), regulates (6) length of cranking arm by regulating spring and reaches the moment size of adjustment spring (15) to output shaft (7).
2, a kind of banister according to claim 1, it is characterized in that described spring regulating device also comprises spring spool (14) and is set in the interior spring pull bar (13) of balancing spring (15), balancing spring (15) upper end is resisted against spring spool (14) epipleural, spring pull bar (13) upper end passes from the through hole of spring spool (14) upside, spring pull bar (13) lower end is provided with the spring that is used for regulating spring elastic force and regulates block (19), the lower end of spring spool (14) is located on the spring housing cylinder base (16), spring spool (14) and spring housing cylinder base (16) are coupling by balance staff (18), balance staff (18) and the vertical direction below that is positioned at output shaft (7) position.
3, a kind of banister according to claim 2, the upper end that it is characterized in that described spring pull bar (13) socket-connects by bidirectional modulation nut (12) and spring adjusting connecting rod (10), the two ends of bidirectional modulation nut (12) are respectively left hand thread and right-handed thread, spring adjusting connecting rod (10) is coupling by joint shaft (9) with the end that spring is regulated crank arm (6), the other end that spring is regulated crank arm (6) is threaded, the other end that spring is regulated crank arm (6) is arranged in behind the through hole of output shaft (7) with the spring adjusting nut (8) of cranking arm fixing, the spring adjusting nut (8) of cranking arm is used for regulating spring and regulates (6) length of cranking arm, and regulates (6) length of cranking arm by regulating spring and reaches the moment size of adjustment spring (15) to output shaft (7).
4, a kind of banister according to claim 2, it is characterized in that the end of described spring pull bar (13) and the suitable right-handed thread of screw thread of bidirectional modulation nut (12), it is the suitable left hand thread of bidirectional modulation nut (12) other end screw thread that spring is regulated connecting rod (10), also be provided with link lock jack panel (11) on spring adjusting connecting rod (10), this link lock jack panel (11) is a left hand thread.
5, a kind of banister according to claim 1, it is characterized in that described output shaft (7) is arranged with vertical spacing anti-dazzling screen (23) and the spacing anti-dazzling screen of level (24), be provided with photoelectric limit switch (5) in reducer (3), vertical spacing anti-dazzling screen (23), the spacing anti-dazzling screen of level (24) are closed when the horizontal or vertical state of restrictor bar (1) with the combined control motor of photoelectric limit switch (5) (4).
6, a kind of banister according to claim 1, it is characterized in that described reduction box (3) outside is provided with vibration absorber, vibration absorber comprises symmetrical two pairs of lifting lever vibration damping push rods (20) and lifting lever shock-absorbing spring (21), also be socketed with the spacing back-up ring of push rod (27) on the lifting lever vibration damping push rod (20), be provided with and lifting lever vibration damping push rod (20) and the combined vibration damping briquetting (22) that is used for damping effect of lifting lever shock-absorbing spring (21) in output shaft (7), output shaft (7) is provided with the embedding hole that is used for solid embedding vibration damping briquetting (22), when restrictor bar (1) during at vertical state, balancing spring (15) and spring are regulated crank arm (6) and are positioned at plumbness, vibration damping briquetting (22) is resisted against the lifting lever vibration damping push rod (20) and the lifting lever shock-absorbing spring (21) of a side, vertical spacing anti-dazzling screen (23) is positioned at closed condition with photoelectric limit switch (5), when starting motor (4), output shaft (7) the skew vertical spacing anti-dazzling screen in back (23) is converted to open mode at once with photoelectric limit switch (5), motor (4) works on, it serves as that axle is done relative rotation with joint shaft (9) that balancing spring (15) is regulated crank arm (6) with spring, along with restrictor bar (1) rotates toward horizontal direction, after being stretched, balancing spring (15) produces screen resilience, restrictor bar (1) is steadily fallen, vibration damping briquetting (22) rotates to a pair of lifting lever vibration damping push rod (20) and the lifting lever shock-absorbing spring (21) of opposite side in addition, lifting lever shock-absorbing spring (21) produces elastic force, and control restrictor bar (1) slowly rotates to horizontal level.
7, a kind of banister according to claim 6, it is characterized in that described output shaft (7) is provided with orthogonal two embedding holes, vibration damping briquetting (22) is provided with different embedding hole realizes restrictor bar (1) left side direction or the right direction of rising and falling of rising and falling, simultaneously the position Rotate 180 of the spacing anti-dazzling screen of level (24) ° is realized that a restrictor bar (1) is is oppositely rising and falling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101323343A CN101509236B (en) | 2009-03-25 | 2009-03-25 | Road gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101323343A CN101509236B (en) | 2009-03-25 | 2009-03-25 | Road gate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101509236A true CN101509236A (en) | 2009-08-19 |
| CN101509236B CN101509236B (en) | 2011-01-12 |
Family
ID=41001757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101323343A Active CN101509236B (en) | 2009-03-25 | 2009-03-25 | Road gate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101509236B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103116921A (en) * | 2013-01-10 | 2013-05-22 | 庄锦城 | Automobile convenient card taking and reading access control system |
| CN103469749A (en) * | 2013-08-20 | 2013-12-25 | 肖勇善 | Barrier gate capable of automatically rotating and turning boards for advertising |
| CN104947619A (en) * | 2015-06-10 | 2015-09-30 | 佛山市盛世伟德门控科技有限公司 | Airborne barrier gate |
| CN105544434A (en) * | 2015-11-30 | 2016-05-04 | 江西百胜智能科技股份有限公司 | Left and right machine interchange barrier gate core and barrier gate |
| IT202100005114A1 (en) * | 2021-03-08 | 2022-09-08 | K E R T Srl | IMPROVED MOBILE BARRIER DEVICE |
| CN116815676A (en) * | 2023-03-01 | 2023-09-29 | 广东启功实业集团有限公司 | High stability banister |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022258569A1 (en) * | 2021-06-08 | 2022-12-15 | Assa Abloy Entrance Systems Ab | A boom barrier for blocking vehicular or pedestrian access and a method for operating a boom barrier |
-
2009
- 2009-03-25 CN CN2009101323343A patent/CN101509236B/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103116921A (en) * | 2013-01-10 | 2013-05-22 | 庄锦城 | Automobile convenient card taking and reading access control system |
| CN103469749A (en) * | 2013-08-20 | 2013-12-25 | 肖勇善 | Barrier gate capable of automatically rotating and turning boards for advertising |
| CN103469749B (en) * | 2013-08-20 | 2016-08-10 | 广东安快智能科技有限公司 | Can the banister of swivel flap automatically for advertising |
| CN104947619A (en) * | 2015-06-10 | 2015-09-30 | 佛山市盛世伟德门控科技有限公司 | Airborne barrier gate |
| CN105544434A (en) * | 2015-11-30 | 2016-05-04 | 江西百胜智能科技股份有限公司 | Left and right machine interchange barrier gate core and barrier gate |
| IT202100005114A1 (en) * | 2021-03-08 | 2022-09-08 | K E R T Srl | IMPROVED MOBILE BARRIER DEVICE |
| CN116815676A (en) * | 2023-03-01 | 2023-09-29 | 广东启功实业集团有限公司 | High stability banister |
| CN116815676B (en) * | 2023-03-01 | 2024-01-30 | 广东启功实业集团有限公司 | High stability banister |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101509236B (en) | 2011-01-12 |
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