CN108193614B - Collision damage prevention height limiting frame - Google Patents
Collision damage prevention height limiting frame Download PDFInfo
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- CN108193614B CN108193614B CN201711497995.7A CN201711497995A CN108193614B CN 108193614 B CN108193614 B CN 108193614B CN 201711497995 A CN201711497995 A CN 201711497995A CN 108193614 B CN108193614 B CN 108193614B
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- upright post
- road
- pull rope
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- lifting plate
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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
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Abstract
The invention discloses an anti-collision damage limiting overhead comprising a first upright post (5) and a frame (1), wherein a cross beam (6) is arranged between the first upright post (5) and the frame (1), one end of the cross beam (6) is rotatably connected with the first upright post (5), and the other end of the cross beam is connected to the frame (1) in a sliding manner; the road is rotatably connected with a swing plate (8) through a first hinge point (7), the swing plate (8) is positioned between the first upright post (5) and the frame (1), and a first arc-shaped rack (9) taking the first hinge point (7) as the circle center is arranged on the lower surface of the swing plate (8); the road is connected with driving plate (11) through second pin joint (10) rotation in swing board (8) below, and driving plate (11) one end is equipped with second arc rack (12), and the other end is connected with crossbeam (6) through first stay cord (14), and second arc rack (12) and first arc rack (9) meshing transmission. The anti-collision damage height limiting frame has the advantages that the vehicle deceleration effect is obvious, and the height limiting frame can be repeatedly used.
Description
Technical Field
The invention relates to a traffic facility device, in particular to an anti-collision damage limiting overhead crane.
Background
The height limiting frame is a door-shaped frame structure used at the entrance of a bridge or a tunnel, plays a role in protecting the bridge or the tunnel and prevents an ultrahigh vehicle from impacting the bridge or the tunnel to damage the bridge or the tunnel; in addition, the vehicle can also cause personal and property injuries to the vehicle and the driver when the vehicle impacts the bridge and the tunnel. The basic requirements for an elevation limit frame are therefore: firstly, the ultrahigh vehicle is ensured not to impact the bridge and the tunnel, and the vehicle is prevented from damaging the bridge and the tunnel; secondly, the safety of the personnel on the vehicle is ensured, and the height limiting frame is damaged as little as possible. In the prior art, most height-limiting frames are connected in a welding mode, namely the height-limiting frames are fixedly connected to the inlets of bridges and tunnels, and once a large truck collides with the height-limiting frames, the large truck can collide the height-limiting frames to deform, so that rush-repair personnel need to replace a new height-limiting frame, namely the height-limiting frames in the prior art cannot be reused, and the damage rate is high; the main reason for the high damage rate of the height limiting frame is that the speed reducing effect of the height limiting frame in the prior art on the vehicle is not obvious, namely the height limiting frame in the prior art can not effectively prevent the vehicle from braking.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art and providing an anti-collision damage limiting frame which has an obvious vehicle deceleration effect and can be repeatedly used.
The technical scheme of the invention is to provide an anti-collision damage limiting overhead structure with the following structure: the device comprises a first upright post and a frame which are arranged on two sides of a road, wherein a cross beam is arranged between the first upright post and the frame, one end of the cross beam is rotatably connected with the first upright post, and the other end of the cross beam is connected to the frame in a sliding manner; the road is rotatably connected with a swing plate through a first hinge point, the swing plate is positioned between the first upright post and the frame, and the lower surface of the swing plate is provided with a first arc-shaped rack taking the first hinge point as the center of a circle; the road is rotatably connected with a transmission plate through a second hinge point below the swing plate, one end of the transmission plate is provided with a second arc-shaped rack taking the second hinge point as a circle center, the other end of the transmission plate is connected with the cross beam through a first pull rope, and the second arc-shaped rack is in meshing transmission with the first arc-shaped rack; the lifting plate is rotatably connected to the road, the lifting plate and the swinging plate are distributed at intervals along the length direction of the road, a driving device for pushing the lifting plate to rotate is arranged below the lifting plate on the road, and the driving device is connected with the first pull rope through a second pull rope; the frame comprises a second upright column, a third upright column and a horizontal rod, the first upright column, the second upright column and the third upright column are parallel to each other, the second upright column and the third upright column are vertically arranged on a road, the second upright column and the third upright column are positioned on the same side of the road, the second upright column and the third upright column are distributed at intervals along the length direction of the road, two ends of the horizontal rod are respectively connected with the upper end parts of the second upright column and the third upright column, and the horizontal rod is arranged in parallel to the road; the horizontal rod is provided with a sliding chute for the end part of the beam to slide, and the connecting line of the second upright post and the first upright post is vertical to the length direction of the road; one end of the first pull rope is connected with the end part, close to the horizontal rod, of the cross beam, and the other end of the first pull rope is connected with the end part, far away from the second arc-shaped rack, of the transmission plate; a guide sleeve for the first pull rope to pass through is arranged on the second upright post, a first roller for the first pull rope to be wound is rotatably connected to the road below the guide sleeve, a second roller for the first pull rope to be wound is rotatably connected to the road below the swinging plate, and a third roller for the first pull rope to be wound is rotatably connected to the road below the transmission plate; the driving device for pushing the lifting plate to rotate is arranged below the lifting plate on the road, namely, a sleeve is arranged below the lifting plate on the road, a mandril is connected in the sleeve in a sliding manner, the upper end part of the mandril is tightly propped against the lower surface of the lifting plate, and the upper end part of the mandril is rotatably connected with a driving wheel which is used for being in rolling connection with the lower surface of the lifting plate; a tension spring is arranged between the lifting plate and the sleeve, one end of the tension spring is rotationally connected with the lifting plate, and the other end of the tension spring is rotationally connected with the sleeve; the middle part of the ejector rod is provided with a limiting block for abutting against or separating from the upper end part of the sleeve, and when the limiting block abuts against the sleeve, the lifting plate is flush with the road.
As a modification of the present invention, the driving device is connected to the first rope via the second rope, that is, one end of the second rope is connected to the first rope, the other end is connected to the lower end of the push rod, and the road is rotatably connected to a fourth roller and a fifth roller for winding the second rope below the lifting plate.
As an improvement of the invention, the first arc-shaped rack is positioned in the middle of the swing plate in the width direction.
By adopting the structure, compared with the prior art, the anti-collision damage limiting overhead crane has the advantages that when the height of a vehicle exceeds that of the cross beam, the cross beam can be pushed to rotate around the first upright post in the running and advancing process of the vehicle, and the end part of the cross beam, far away from the first upright post, can slide in the sliding groove; the transmission plate is driven to rotate through the first pull rope in the rotation process of the cross beam, the transmission plate drives the swing plate to rotate through the meshing transmission of the second arc-shaped rack and the first arc-shaped rack, so that the swing plate is inclined relative to the vehicle, namely, the end part, far away from the first hinge point, of the swing plate is lifted, an ascending structure is formed for the driving of the vehicle, the advancing resistance of the vehicle is increased, and the automatic deceleration of the vehicle is facilitated; moreover, when the first pull rope slides, the second pull rope can be pulled to slide, the second pull rope can pull the ejector rod to rise so as to push the lifting plate to rotate, the rotation direction of the lifting plate is consistent with that of the swinging plate, so that when a rear wheel of the vehicle passes through the lifting plate, the rear half section of the vehicle forms a slope, namely the rear half section of the vehicle is subjected to the slope resistance action of the lifting plate, namely the front half section of the vehicle is subjected to an ascending slope obstruction formed by the swinging plate, and the rear half section of the vehicle is subjected to an ascending slope obstruction formed by the lifting plate, so that the whole vehicle is subjected to two sections of deceleration slopes; the larger the angle of the rotating swing plate is along with the larger the angle of the rotating beam pushed by the vehicle is, the larger the angle of the rotating swing plate is, the steeper the gradient formed by the swing plate is, and the deceleration effect on the vehicle is more obvious. In conclusion, the invention provides the anti-collision damage limiting frame which has an obvious vehicle deceleration effect and can be repeatedly used.
Drawings
Fig. 1 is a top view of the crash damage limiting height of the present invention.
FIG. 2 is a schematic structural diagram of a cross beam and a frame according to the present invention.
FIG. 3 is a schematic view of another angle between the cross member and the frame according to the present invention.
Fig. 4 is a front view of the present invention.
Fig. 5 is a state diagram of the swing plate and the lifting plate after rotating in the present invention.
Shown in the figure: 1. the frame, 2, the second stand, 3, the third stand, 4, the horizon bar, 5, first stand, 6, the crossbeam, 7, first pin joint, 8, the swing board, 9, first arc rack, 10, the second pin joint, 11, the driving plate, 12, the second arc rack, 13, the lifter plate, 14, first stay cord, 15, the second stay cord, 16, the spout, 17, first gyro wheel, 18, the second gyro wheel, 19, the third gyro wheel, 20, the ejector pin, 21, the sleeve, 22, the drive wheel, 23, the extension spring, 24, the stopper, 25, the fourth gyro wheel, 26, the fifth gyro wheel, 27, the guide pin bushing.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
As shown in the figure, the anti-collision damage limiting overhead comprises a first upright post 5 and a frame 1 which are arranged on two sides of a road, a cross beam 6 is arranged between the first upright post 5 and the frame 1, one end of the cross beam 6 is rotatably connected with the first upright post 5, and the other end of the cross beam is connected to the frame 1 in a sliding manner; the road is rotatably connected with a swing plate 8 through a first hinge point 7, the swing plate 8 is positioned between the first upright post 5 and the frame 1, and a first arc-shaped rack 9 taking the first hinge point 7 as the center of a circle is arranged on the lower surface of the swing plate 8; a transmission plate 11 is rotatably connected to the lower part of the swinging plate 8 of the road through a second hinge point 10, one end of the transmission plate 11 is provided with a second arc-shaped rack 12 taking the second hinge point 10 as the center of a circle, the other end of the transmission plate is connected with the cross beam 6 through a first pull rope 14, and the second arc-shaped rack 12 is in meshing transmission with the first arc-shaped rack 9; the lifting plate 13 is connected to the road in a rotating mode, the lifting plate 13 and the swing plate 8 are distributed at intervals along the length direction of the road, a driving device used for pushing the lifting plate 13 to rotate is arranged below the lifting plate 13 of the road, and the driving device is connected with the first pull rope 14 through a second pull rope 15. Wherein, the deceleration strip has all been laid to wobble plate 8 and lifter plate 13 upper surface, and then carries out the deceleration effect to going of vehicle.
The frame 1 comprises a second upright post 2, a third upright post 3 and a horizontal rod 4, wherein a first upright post 5, the second upright post 2 and the third upright post 3 are parallel to each other, the second upright post 2 and the third upright post 3 are vertically arranged on a road, the second upright post 2 and the third upright post 3 are positioned on the same side of the road, the second upright post 2 and the third upright post 3 are distributed at intervals along the length direction of the road, two ends of the horizontal rod 4 are respectively connected with the upper ends of the second upright post 2 and the third upright post 3, and the horizontal rod 4 is arranged in parallel to the road; the horizontal rod 4 is provided with a sliding groove 16 for the end part of the beam 6 to slide, and the connecting line of the second upright post 2 and the first upright post 5 is vertical to the length direction of the road.
One end of the first pull rope 14 is connected with the end part of the cross beam 6 close to the horizontal rod 4, and the other end of the first pull rope is connected with the end part of the transmission plate 11 far away from the second arc-shaped rack 12; the second upright post 2 is provided with a guide sleeve 27 for the first pull rope 14 to pass through, the road is rotatably connected with a first roller 17 for the first pull rope 14 to be wound below the guide sleeve 27, the road is rotatably connected with a second roller 18 for the first pull rope 14 to be wound below the swinging plate 8, and the road is rotatably connected with a third roller 19 for the first pull rope 14 to be wound below the transmission plate 11. The guide sleeve 27, the first roller 17, the second roller 18 and the third roller 19 are arranged to adjust the stress directions of the two ends of the first pull rope 14, so that the transmission of the whole device is more stable and smooth.
The driving device for pushing the lifting plate 13 to rotate is arranged below the lifting plate 13 of the road, namely, a sleeve 21 is arranged below the lifting plate 13 of the road, a mandril 20 is connected in the sleeve 21 in a sliding manner, the upper end part of the mandril 20 is tightly propped against the lower surface of the lifting plate 13, and the upper end part of the mandril 20 is rotatably connected with a driving wheel 22 which is used for being in rolling connection with the lower surface of the lifting plate 13; a tension spring 23 is arranged between the lifting plate 13 and the sleeve 21, one end of the tension spring 23 is rotatably connected with the lifting plate 13, and the other end of the tension spring 23 is rotatably connected with the sleeve 21; the middle part of the post rod 20 is provided with a limiting block 24 for abutting against or separating from the upper end part of the sleeve 21, and when the limiting block 24 abuts against the sleeve 21, the lifting plate 13 is flush with the road.
The driving device is connected with the first pull rope 14 through the second pull rope 15, that is, one end of the second pull rope 15 is connected with the first pull rope 14, the other end is connected with the lower end part of the mandril 20, and the road is rotatably connected with a fourth roller 25 and a fifth roller 26 which are wound with the second pull rope 15 below the lifting plate 13. The fourth roller 25 and the fifth roller 26 are arranged to adjust the force-receiving directions of the two ends of the second rope 15, so that the transmission of the second rope 15 is more stable and smooth.
The first arc-shaped rack 9 is located at the middle position of the swing plate 8 in the width direction, wherein the width direction is perpendicular to the length direction of the road, namely the direction of a connecting line of the first upright post 5 and the second upright post 2.
The working principle is as follows: when the cross beam 6 is pushed by a vehicle, the cross beam 6 can rotate around the first upright post 5, and the end part of the cross beam 6 positioned in the sliding groove 16 can slide in the sliding groove 16;
in the rotating process of the cross beam 6, the first pull rope 14 is tensioned to drive the transmission plate 11 to rotate clockwise around the second hinge point 10, and the left end part of the transmission plate 11 is meshed with the first arc-shaped rack 9 through the second arc-shaped rack 12 to drive the swing plate 8 to rotate anticlockwise around the first hinge point 7; meanwhile, when the first pull rope 14 slides, the second pull rope 15 is driven to slide, the second pull rope 15 pulls the ejector rod 20 to rise along the length direction of the sleeve 21 to push the lifting plate 13 to rotate anticlockwise, the lifting plate 13 can unfold the tension spring 23, and the limiting block 24 on the ejector rod 20 is separated from the upper end of the sleeve 21, so that the state of fig. 5 is formed;
the swing plate 8 forms an upward inclined slope to decelerate the front wheel of the vehicle, so that the front half section of the vehicle is blocked by the swing plate 8; the lifting plate 13 also forms an upward inclined slope, and the rear wheel of the vehicle is also retarded by the lifting plate 13 when passing through the lifting plate 13, namely, the swinging plate 8 and the lifting plate 13 perform twice retarding effects on the vehicle, and the inclined swinging plate 8 and the lifting plate 13 can also prompt a driver to perform active braking; in addition, after the vehicle exits from the height limiting frame, the swing plate 8 can be reversely reset under the action of the gravity of the swing plate, the cross beam 6 is pulled to reset through the first pull rope 14, the lifting plate 13 is reversely reset under the action of the tension spring 23, and the situation that the cross beam 6 is manually adjusted to reset is avoided.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the scope of the claims of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. The utility model provides an anticollision decreases limit for height frame which characterized in that: the road comprises a first upright post (5) and a frame (1) which are arranged on two sides of a road, wherein a cross beam (6) is arranged between the first upright post (5) and the frame (1), one end of the cross beam (6) is rotatably connected with the first upright post (5), and the other end of the cross beam is connected to the frame (1) in a sliding manner; the road is rotatably connected with a swing plate (8) through a first hinge point (7), the swing plate (8) is positioned between the first upright post (5) and the frame (1), and a first arc-shaped rack (9) taking the first hinge point (7) as the circle center is arranged on the lower surface of the swing plate (8); a transmission plate (11) is rotatably connected to the lower portion of the swinging plate (8) of the road through a second hinge point (10), one end of the transmission plate (11) is provided with a second arc-shaped rack (12) taking the second hinge point (10) as a circle center, the other end of the transmission plate is connected with the cross beam (6) through a first pull rope (14), and the second arc-shaped rack (12) is in meshing transmission with the first arc-shaped rack (9); the lifting plate (13) is rotatably connected to the road, the lifting plate (13) and the swinging plate (8) are distributed at intervals along the length direction of the road, a driving device for pushing the lifting plate (13) to rotate is arranged below the lifting plate (13) of the road, and the driving device is connected with the first pull rope (14) through a second pull rope (15); the frame (1) comprises a second upright post (2), a third upright post (3) and a horizontal rod (4), the first upright post (5), the second upright post (2) and the third upright post (3) are parallel to each other, the second upright post (2) and the third upright post (3) are vertically arranged on a road, the second upright post (2) and the third upright post (3) are positioned on the same side of the road, the second upright post (2) and the third upright post (3) are distributed at intervals along the length direction of the road, two ends of the horizontal rod (4) are respectively connected with the upper end parts of the second upright post (2) and the third upright post (3), and the horizontal rod (4) is arranged in parallel to the road; a sliding groove (16) for the end part of the cross beam (6) to slide is arranged on the horizontal rod (4), and the connecting line of the second upright post (2) and the first upright post (5) is vertical to the length direction of the road; one end of a first pull rope (14) is connected with the end part, close to the horizontal rod (4), of the cross beam (6), and the other end of the first pull rope is connected with the end part, far away from the second arc-shaped rack (12), of the transmission plate (11); a guide sleeve (27) for a first pull rope (14) to pass through is arranged on the second upright post (2), a first roller (17) for the first pull rope (14) to be wound is rotatably connected to the road below the guide sleeve (27), a second roller (18) for the first pull rope (14) to be wound is rotatably connected to the road below the swinging plate (8), and a third roller (19) for the first pull rope (14) to be wound is rotatably connected to the road below the transmission plate (11); the driving device for pushing the lifting plate (13) to rotate is arranged below the lifting plate (13) on the road, namely, a sleeve (21) is arranged below the lifting plate (13) on the road, a mandril (20) is connected in the sleeve (21) in a sliding manner, the upper end part of the mandril (20) is tightly abutted against the lower surface of the lifting plate (13), and the upper end part of the mandril (20) is rotatably connected with a driving wheel (22) which is used for being in rolling connection with the lower surface of the lifting plate (13); a tension spring (23) is arranged between the lifting plate (13) and the sleeve (21), one end of the tension spring (23) is rotationally connected with the lifting plate (13), and the other end of the tension spring is rotationally connected with the sleeve (21); the middle part of the ejector rod (20) is provided with a limiting block (24) for abutting against or separating from the upper end part of the sleeve (21), and when the limiting block (24) abuts against the sleeve (21), the lifting plate (13) is flush with the road.
2. The crash damage avoidance overhead of claim 1, wherein: the driving device is connected with the first pull rope (14) through the second pull rope (15), namely, one end of the second pull rope (15) is connected with the first pull rope (14), the other end of the second pull rope is connected with the lower end part of the ejector rod (20), and a fourth roller (25) and a fifth roller (26) which are wound with the second pull rope (15) are rotatably connected to the road below the lifting plate (13).
3. The crash damage avoidance overhead of claim 1, wherein: the first arc-shaped rack (9) is positioned in the middle of the swing plate (8) in the width direction.
Priority Applications (1)
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CN201711497995.7A CN108193614B (en) | 2017-12-29 | 2017-12-29 | Collision damage prevention height limiting frame |
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CN201711497995.7A CN108193614B (en) | 2017-12-29 | 2017-12-29 | Collision damage prevention height limiting frame |
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CN108193614A CN108193614A (en) | 2018-06-22 |
CN108193614B true CN108193614B (en) | 2020-06-05 |
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CN112267395A (en) * | 2020-10-15 | 2021-01-26 | 温州融宸科技有限公司 | Anticollision damage-proof road limit for height frame |
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CN106586511A (en) * | 2016-12-30 | 2017-04-26 | 冯幸国 | Continuous material division mechanism |
CN106742116A (en) * | 2016-12-30 | 2017-05-31 | 冯幸国 | Feeding distribution mechanism |
CN206721722U (en) * | 2017-03-21 | 2017-12-08 | 呼和浩特市市政工程设计研究院 | A kind of vehicle height-limiting frame |
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JP2006241723A (en) * | 2005-03-01 | 2006-09-14 | Jun Aoki | Vehicle entrance inhibiting device |
CN101265693A (en) * | 2008-04-21 | 2008-09-17 | 朱惠芬 | Automobile forced reduction apparatus linked with sign lamp |
KR20100080759A (en) * | 2010-06-22 | 2010-07-12 | 최문석 | Vehicle traffic closing barrier |
CN204599155U (en) * | 2015-02-01 | 2015-09-02 | 周廉凤 | For the device of deep-fried twisted dough sticks cutting |
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Effective date of registration: 20200513 Address after: 325200 YuMeng Road, Dongshan Street Economic Development Zone, Ruian City, Wenzhou City, Zhejiang Province Applicant after: Ruian Xinrui construction equipment Leasing Co., Ltd Address before: 315300 Zhejiang city of Ningbo province Cixi city Hushanjiedao Ring Road No. 108 (two) Applicant before: CIXI AOYINGKEBA INDUSTRIAL DESIGN Co.,Ltd. |
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