CN116289702A - Municipal bridge height limiting system - Google Patents
Municipal bridge height limiting system Download PDFInfo
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- CN116289702A CN116289702A CN202310154096.6A CN202310154096A CN116289702A CN 116289702 A CN116289702 A CN 116289702A CN 202310154096 A CN202310154096 A CN 202310154096A CN 116289702 A CN116289702 A CN 116289702A
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- movable plate
- height
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- municipal bridge
- limiting system
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- 230000007246 mechanism Effects 0.000 claims description 23
- 238000001514 detection method Methods 0.000 claims description 5
- 239000000428 dust Substances 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000004888 barrier function Effects 0.000 description 6
- 230000003028 elevating effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008093 supporting effect Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
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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
- E01F13/12—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
- E01F13/126—Pitfall barriers, causing the vehicle to face a step-like obstruction
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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
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/604—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
- E01F9/608—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings for guiding, warning or controlling traffic, e.g. delineator posts or milestones
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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
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/604—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
- E01F9/615—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings illuminated
- E01F9/617—Illuminated or wired-up posts, bollards, pillars or like upstanding bodies or structures for traffic guidance, warning or control
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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
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/658—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing
- E01F9/669—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing for fastening to safety barriers or the like
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention belongs to the technical field of traffic equipment, and discloses a municipal bridge height limiting system, which comprises a height limiting frame, wherein a detecting piece for sensing whether a vehicle is ultrahigh or not is arranged; the stagnation device is arranged on one side of the height limiting frame along the first direction, the stagnation device is provided with a groove, the stagnation device further comprises a pair of rotating rollers and a movable plate, the upper opening of the groove is approximately level with the rotating rollers, and the movable plate can move along the vertical direction; a first state in which the movable plate is at its apex position and is substantially flush with the rotatable roller; and in a second state, the detecting piece senses that the vehicle is over high, the movable plate descends into the groove, and the rotating roller can be used for overhead of wheels of the vehicle. The beneficial effects are that: the effect of stopping the vehicle too high in time is achieved.
Description
Technical Field
The invention relates to the technical field of traffic equipment, in particular to a municipal bridge height limiting system.
Background
The utility model provides a limit for height frame is usually installed by bridge tunnel for warn through the vehicle, its height can not pass at the place of change, avoid causing the damage to bridge and tunnel, in prior art, chinese patent of invention that publication No. CN108103984a "discloses a road is with limit for height device, also be the technology that matures day by day in the prior art, as the adjustable limit for height device in the current limit for height device, it includes a pair of base that the interval set up on the road's road surface, a pair of stand that sets up respectively on corresponding base, fixed connection is at the crossbeam between the upper portion of a pair of stand, limit for height device still includes elevating gear, elevating gear includes a pair of elevating gear sets up respectively at the both ends of crossbeam, the extension board both ends are connected with a pair of elevating gear respectively, a pair of elevating gear all includes: the fixing piece is connected to the end part of the cross beam; the telescopic rod is connected to the end part of the cross beam; the screw rod is movably arranged at the end part of the support plate; the nut is sleeved on the screw rod; a pull rope is wound on the pulley, one end of the pull rope is connected to the support plate, and the other end of the pull rope is connected to the upper part of the fixing piece; the screw rod is driven to enable the support plate to ascend or descend, so that the height limiting height is adjusted.
As known from the above documents and the prior art, most of the height limiting devices currently used in roads and bridges are fixed devices, which are used as a highly mandatory limiting device, when a vehicle passes, the height limiting device cannot be found due to the shielding of the driver in the vehicle, or the driver can self-consider that the vehicle can be driven by the device, the vehicle and the height limiting device can be collided, the direct collision can cause damage to the vehicle and the device, and the public facilities, the driver and the vehicle are relatively small in maintenance expenditure, even certain damage is caused to the driver, so that the device can intercept the excessively high vehicle in time on the basis of protecting the public facilities and the vehicle from damage, and the device is a main problem to be solved by the height limiting device nowadays.
Disclosure of Invention
The invention aims to provide a municipal bridge height limiting system for solving the problems.
To achieve the purpose, the invention adopts the following technical scheme:
a municipal bridge height limiting system comprising:
the height limiting frame is provided with a detection piece for sensing whether the vehicle is over-height or not; and
the stagnation device is arranged on one side of the height limiting frame along the first direction, the stagnation device is provided with a groove, the stagnation device further comprises a pair of rotating rollers and a movable plate, the upper opening of the groove is approximately level with the rotating rollers, and the movable plate can move along the vertical direction;
wherein, in the first state, the movable plate is at the vertex position and is approximately level with the rotating roller; and in a second state, the detecting piece senses that the vehicle is over high, the movable plate descends into the groove, and the rotating roller can be used for overhead of wheels of the vehicle.
In some alternative embodiments, the turning roller is configured to rotate unidirectionally as the wheel moves along the height limiter toward the stagnation device.
In some alternative embodiments, the arresting device further comprises a driving mechanism for driving the movable plate to lift.
In some alternative embodiments, the driving mechanism includes an eccentric roller and a power part for driving the eccentric roller to rotate, the eccentric roller supporting the movable plate upward, and a rotation axis of the eccentric roller being parallel to the movable plate.
In some alternative embodiments, the movable plate is provided with a strip-shaped hole for avoiding the rotating roller, and the movable plate is connected with a baffle for dust prevention in the strip-shaped hole.
In some alternative embodiments, the baffle includes a pair of baffle bodies and a pair of elastic members opposite to each other, wherein one end of the baffle body is connected to the edge of the strip-shaped hole through one elastic member, and the other end of the baffle body abuts against the rotating roller.
In some alternative embodiments, the height limiting frame comprises a pair of upright posts and a stop rod mechanism, wherein the stop rod mechanism is connected with the upright posts and can move in the vertical direction as a whole, and one end of the stop rod mechanism is configured to swing upwards after being impacted by the vehicle;
the detection piece is used for detecting the swing angle of the stop rod mechanism.
In some alternative embodiments, a connecting column is arranged between the upper ends of a pair of the upright posts;
the stop lever mechanism includes:
the fixed end of the lifting device is connected with the connecting column, and the movable end of the lifting device can move along the vertical direction; and
and one end of the first swing rod is hinged with the movable end of the lifting device, the other end of the first swing rod extends downwards below the connecting column, the swing axis of the first swing rod is parallel to the connecting column, and the detection piece is used for detecting the swing angle of the swing rod.
In some alternative embodiments, the stop bar mechanism further comprises:
the sliding block is slidably connected to the upright post;
one end of the limiting piece is connected with the movable end of the lifting device, the other end of the limiting piece is connected with the sliding block, and the limiting piece is provided with an arc-shaped guide part; and
and the second swing rod is arranged along the horizontal direction and is connected with the first swing rod, and the end part of the second swing rod is limited in the guide part.
In some alternative embodiments, the surface of the second swing link is provided with an elastic structure.
The invention has the beneficial effects that:
the movable plate is in the vertex position and is approximately flush with the rotating roller in the first state, so that a vehicle can smoothly pass through the movable plate and cannot fall into the groove; in the second state, the detecting piece senses that the vehicle is over high, the movable plate descends into the groove, wheels fall into the groove, the rotating roller can overhead the wheels to block the vehicle from moving, and the effect that the vehicle is over high and stops in time is achieved.
Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.
Drawings
The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
fig. 1 is a front view of a municipal bridge height limiting system provided in this embodiment;
fig. 2 is a schematic diagram of a part of the structure of the present system.
FIG. 3 is an enlarged view of circle A of FIG. 2;
fig. 4 is a schematic structural view of the baffle.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
The embodiment provides a municipal bridge height limiting system, and vehicles stop in time when passing through the system.
Fig. 1 is a front view of a municipal bridge height limiting system provided in this embodiment, and fig. 2 is a schematic view of a part of the structure of this system.
As shown in fig. 1 and 2, the system comprises a height-limiting stand 1 and a stagnation device 2. For example, both the height limiting frame 1 and the stagnation device 2 may be installed at the entrance of the bridge.
As shown in fig. 1, the stagnation device 2 is provided on the left side of the height-limiting frame 1, and a vehicle (not shown) is defined to travel from right to left.
The height-limiting frame 1 is provided with a detecting member 10 for sensing whether the pressure-sensitive vehicle is over-height.
The stagnation device 2 is provided with a recess 20, in which recess 20 the wheels can be caught when the vehicle reaches the stagnation device 2 from right to left.
In this embodiment, the opening of the recess 20 is flush with the road surface.
The stagnation device 2 further comprises a pair of rotating rollers 21 and a movable plate 22, the upper opening of the groove 20 being substantially flush with the rotating rollers 21, the movable plate 22 being movable in the vertical direction.
The movable plate 22 is at its apex and is substantially flush with the rotatable roller 22, i.e., parallel to the road surface, so that the vehicle can smoothly ride through the recess 20.
The detecting piece senses the superelevation of the vehicle, the movable plate 22 descends into the groove 20, the rotating roller 21 can overhead wheels of the vehicle, the vehicle is prevented from moving, and the effect of stopping the overhigh vehicle in time is achieved.
In the present embodiment, the rotating roller 21 is configured to rotate unidirectionally when the wheel moves forward along the movement of the height limiter 1 toward the stagnation device 2. In other words, when the vehicle is backing up, no rotation occurs for the vehicle to retract.
The stagnation device 2 further includes a driving mechanism for driving the movable plate 22 to rise and fall.
The driving mechanism includes an eccentric roller 23 and a power section for driving the eccentric roller 23 to rotate.
The movable plate 22 is supported upward by the eccentric roller 23, and the rotation axis of the eccentric roller 23 is parallel to the movable plate 22. The eccentric roller 23 drives the movable plate 22 to move up and down in the process of rotating on the vertical plane.
In this embodiment, the power unit is a rotating electrical machine.
In order to provide a sufficient supporting effect, a plurality of eccentric rollers 23 may be provided, and each of the eccentric rollers 23 moves in synchronization.
Fig. 3 is an enlarged view of the circle a in fig. 2, and as shown in fig. 3, the movable plate 22 is provided with a bar-shaped hole 220 for avoiding the rotating roller 21, and a shield 221 for dust prevention is connected to the movable plate 22 in the bar-shaped hole 220. It will be appreciated that the rotatable roller 21 in this embodiment can be received in the movable plate 22, thereby reducing the length of the stagnation device 2. Of course, the rotating roller 21 may be provided outside the movable plate 22, and the embodiment is not limited thereto.
Fig. 4 is a schematic structural view of the barrier 221, as shown in fig. 4, the barrier 221 includes a pair of barrier bodies 2211 and a pair of elastic members 2212 which are opposite to each other, wherein one end of the barrier body 2211 is connected to the edge of the bar-shaped hole 220 through one elastic member 2212, and the other end of the barrier body 2211 abuts against the rotating roller 21.
In this embodiment, the pitch of the opposing baffle bodies 2211 is elastically varied. When the movable plate 22 is located at the top end of the stroke, the elastic member 2212 abuts against the baffle body 2211, the distance between the elastic members 2212 is smaller than the diameter of the rotating roller 21, and during the descending process of the movable plate 22, the rotating roller 221 makes the elastic members 2212 move back to back, and the distance is gradually enlarged. In this embodiment, the elastic member 2212 can be disengaged from the rotating roller 21 when the movable plate 22 is lowered to the bottom of its stroke.
Further, a receiving groove for receiving the elastic member 2212 and a part of the barrier body 2211 is provided in the movable plate 22. It can be understood that the elastic member 2212 is always located in the receiving groove, and one end of the baffle body 2211 connected with the elastic member 2212 is always located in the receiving groove.
Alternatively, the movable plate 22 is connected to a plurality of guide posts, the guide posts being arranged in a vertical direction, and the movable plate 22 being threaded through the guide posts such that the movable plate 22 remains stable when moving in the vertical direction.
The height limiting frame 1 includes a pair of upright posts 11 and a stopper rod mechanism that is connected to the upright posts 11 and is movable in the vertical direction as a whole, and one end of the stopper rod mechanism is configured to swing upward after being struck by a vehicle.
The detecting member 10 is used to detect the pivot angle of the stopper rod mechanism. The swing angle threshold may be set in advance, and when it is detected that the swing angle at which one end of the stopper rod mechanism swings upward exceeds the swing angle threshold, it is determined that the vehicle is over-height, and the movable plate 22 is lowered.
Alternatively, the detecting member 10 is an angle sensor.
Further, a connecting column 110 is provided between the upper ends of the pair of columns 11. It should be noted that the connection post 110 is disposed along a horizontal direction and the height is set to be much higher than a general vehicle height, so that the vehicle does not strike the connection post 110.
The stop lever mechanism comprises a lifting device 12 and a first swing link 13.
The lower end of the lifting device 12 is connected to the connection post 110, and the upper end of the lifting device 12 is movable in the vertical direction. In this embodiment, the lifting device 12 is an electric cylinder.
One end of the first swing rod 13 is hinged to the movable end of the lifting device 12, the other end of the first swing rod extends downwards below the connecting column 110, vehicles passing through and coming from the vehicle can strike the first swing rod 13 to swing on a vertical plane, the swing axis of the first swing rod 13 is parallel to the connecting column 110, and the detecting piece 10 is used for detecting the swing angle of the swing rod 13.
The stop lever mechanism further comprises a slider 14, a stopper 15 and a second swing piece 16.
The slide 14 is slidably connected to the upright 11, i.e. the slide 14 is movable in a vertical direction under the influence of the upright 11. It should be noted that, each upright 11 is provided with a slider 14.
One end of the limiting piece 15 is connected with the movable end of the lifting device 12, the other end of the limiting piece 15 is connected with the sliding block 14, and the limiting piece 15 is provided with an arc-shaped guide part. Namely, the lifting device 12 can drive the limiting piece 15 to move up and down, so that the sliding block 14 moves up and down.
The second swing link 16 is arranged along the horizontal direction and connected with the first swing link 13, and the end part of the second swing link 16 is limited in the guide part. The guide part is a circular arc through hole, and the two ends of the second swing rod 16 penetrate through the guide part.
It can be appreciated that, on the one hand, the lifting device 12 can drive the first swing rod 13, the sliding block 14, the limiting piece 15 and the second swing rod 16 to synchronously move along the vertical direction; on the other hand, the second swing link 16 can perform circular arc movement together with the first swing link 13 after being impacted by the vehicle.
Further, in order to prevent the vehicle from crashing the second swing link 16, the surface of the second swing link 16 is provided with an elastic structure. In this embodiment, the surface of the second swing link 16 is provided with a rubber sleeve, preferably 1cm thick.
Further, the first swing rod 13 is connected to the middle position of the second swing rod 16, so that the second swing rod 16 is uniformly stressed after being impacted and is not easy to break. The two rubber sleeves are respectively positioned at two sides of the second swing rod 16 opposite to the first swing rod 13.
In this embodiment, the connection post 110 is provided with a warning board 111, and optionally, the warning board 111 is selected as an electronic display screen.
The top of the limiting piece 15 is provided with a solar cell module 151, and the solar cell module 151 can supply power for the detecting piece 10, the rotating motor, the lifting device 12 and the warning sign 111 in the system.
The working principle of the height limiting system provided by the invention is as follows: when it is detected that the pivot angle at which one end of the stopper rod mechanism swings upward exceeds the pivot angle threshold, it is determined that the vehicle is over-height, and the movable plate 22 is lowered.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the invention. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (10)
1. A municipal bridge height limiting system, comprising:
a height limiting frame (1) provided with a detecting member (10) for sensing whether the vehicle is over-height; and
the stagnation device (2) is arranged on one side of the height limiting frame (1) along the first direction, the stagnation device (2) is provided with a groove (20), the stagnation device (2) further comprises a pair of rotating rollers (21) and a movable plate (22), the upper opening of the groove (20) is approximately level with the rotating rollers (21), and the movable plate (21) can move along the vertical direction;
wherein, in a first state, the movable plate (22) is at the vertex position and is approximately level with the rotating roller (22); in a second state, the detecting piece (10) senses that the vehicle is over-height, the movable plate (22) descends into the groove (20), and the rotating roller (21) can be used for suspending wheels of the vehicle.
2. Municipal bridge height-limiting system according to claim 1, wherein the turning rolls (21) are configured to rotate unidirectionally when the wheels are moved along the height-limiting frame (2) towards the stagnation means (3).
3. Municipal bridge height-limiting system according to claim 1, characterized in that the stagnation means (2) further comprise a driving mechanism for driving the mobile plate (22) up and down.
4. A municipal bridge height-limiting system according to claim 3, wherein the driving mechanism comprises an eccentric roller (23) and a power part for driving the eccentric roller (23) to rotate, the eccentric roller (23) supports the movable plate (22) upwards, and the rotation axis of the eccentric roller (23) is parallel to the movable plate (22).
5. The municipal bridge height limiting system according to claim 1, wherein the movable plate (22) is provided with a strip-shaped hole (220) for avoiding the rotating roller (21), and the movable plate (22) is connected with a baffle plate (221) for dust prevention in the strip-shaped hole (220).
6. The municipal bridge height limiting system according to claim 5, wherein the baffle (221) comprises a pair of baffle bodies (2211) and a pair of elastic members (2212) which are opposite to each other, wherein one end of the baffle body (2211) is connected with the edge of the strip-shaped hole (220) through one elastic member (2212), and the other end of the baffle body (2211) abuts against the rotating roller (21).
7. The municipal bridge height-limiting system according to any one of claims 1-6, wherein the height-limiting frame (1) comprises a pair of upright posts (11) and a stop rod mechanism, which is connected to the upright posts (11) and is movable in a vertical direction as a whole, one end of which is configured to swing upwards after being hit by the vehicle;
the detection piece (10) is used for detecting the swing angle of the stop rod mechanism.
8. The municipal bridge height limiting system according to claim 7, wherein a connecting column (110) is provided between the upper ends of a pair of the upright columns (11);
the stop lever mechanism includes:
the fixed end of the lifting device (12) is connected with the connecting column (110), and the movable end of the lifting device can move along the vertical direction; and
and one end of the first swing rod (13) is hinged to the movable end of the lifting device (12), the other end of the first swing rod extends downwards below the connecting column (110), the swing axis of the first swing rod (13) is parallel to the connecting column (110), and the detection piece (10) is used for detecting the swing angle of the swing rod (13).
9. The municipal bridge height limiting system according to claim 8, wherein the stop rod mechanism further comprises:
a slider (14) slidably connected to the upright (11);
one end of the limiting piece (15) is connected with the movable end of the lifting device (12), the other end of the limiting piece is connected with the sliding block (14), and an arc-shaped guide part is arranged on the limiting piece (15); and
and the second swing rod (16) is arranged along the horizontal direction and is connected with the first swing rod (13), and the end part of the second swing rod (16) is limited in the guide part.
10. The municipal bridge height limiting system according to claim 9, wherein the surface of the second swing rod (16) is provided with an elastic structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310154096.6A CN116289702A (en) | 2023-02-23 | 2023-02-23 | Municipal bridge height limiting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310154096.6A CN116289702A (en) | 2023-02-23 | 2023-02-23 | Municipal bridge height limiting system |
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| CN116289702A true CN116289702A (en) | 2023-06-23 |
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| CN202310154096.6A Pending CN116289702A (en) | 2023-02-23 | 2023-02-23 | Municipal bridge height limiting system |
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