CN111041971A - Narrow bridge system for preferentially ensuring pedestrian passage and working method thereof - Google Patents
Narrow bridge system for preferentially ensuring pedestrian passage and working method thereof Download PDFInfo
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- CN111041971A CN111041971A CN202010052150.2A CN202010052150A CN111041971A CN 111041971 A CN111041971 A CN 111041971A CN 202010052150 A CN202010052150 A CN 202010052150A CN 111041971 A CN111041971 A CN 111041971A
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- movable bridge
- width limiting
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 230000000903 blocking effect Effects 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/10—Travelling bridges, i.e. roller bridges; Sliding bridges; Rotary cylinder bridges, i.e. rotating about longitudinal axis to invert and raise the road
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Abstract
The invention relates to a narrow bridge system for preferentially ensuring pedestrian passage and a working method thereof, which comprises a road to be connected on one side of a bridge and a road to be connected on the other side of the bridge, the road surface of the road to be connected is higher than the road to be connected, a movable bridge plate with the height of the road surface consistent with that of the road to be connected is arranged between the road to be connected and the road to be connected, a pedestrian slope surface and a vehicle slope surface which are connected with the movable bridge plate are correspondingly arranged at the two sides and the middle part of the road to be connected, wedge-shaped width limiting mechanisms for blocking the pedestrian slope surfaces are respectively arranged at the two sides between the road to be connected and the road to be connected, one end of the movable bridge plate is provided with a concave part for embedding one end of a road to be connected, the lower side of the movable bridge plate is provided with a driving mechanism for driving the movable bridge plate to move towards one side of the road to be connected and expose the concave part, the wedge-shaped width limiting mechanism is driven to be opened by the movable bridge plate in the process of moving to one side of the connected road so as to expose the pedestrian slope. The system can prohibit any vehicle from driving in under the mode of ensuring the pedestrian to pass preferentially; under the mode of allowing the small passenger car to pass, the large overproof vehicle is effectively limited from forcibly passing through the bridge.
Description
Technical Field
The invention relates to a narrow bridge system for preferentially ensuring pedestrian passage and a working method thereof.
Background
Bridges are generally used to connect roads on both sides of rivers, hollow terrains, and the like, so that vehicles, pedestrians, and the like can smoothly pass through the bridges. Unlike large bridges across rivers and sea, narrow bridges are more suitable for the communication of roads on two sides, such as small-span rivers, hollow terrains and the like. For safety reasons, many large residential communities with "small berms" around their peripheries currently use fixed narrow bridges to connect with external arterial roads. However, the existing pedestrian and vehicle mixed running mode of the fixed narrow bridge can not avoid increasing the danger probability of vehicles passing on the bridge, and can bring hidden danger to the personal safety of pedestrians (especially children) passing the bridge. Therefore, it is necessary to design a bridge system which preferentially ensures the safety of the passengers passing through the bridge, and limits or even forcibly stops the large vehicles which are supposed to drive into the narrow bridge.
Disclosure of Invention
The invention aims to provide a narrow bridge system for preferentially ensuring pedestrian passage and a working method thereof, the system can switch the passage mode of a bridge according to the actual situation, and any vehicle is prohibited from entering under the mode of preferentially ensuring the pedestrian passage, so that the pedestrian bridge passing safety is ensured; under the mode of allowing the small passenger car to pass, the large overproof vehicle can be effectively limited from forcibly passing through the bridge.
The technical scheme of the invention is as follows: a narrow bridge system for preferentially ensuring pedestrian passage comprises a road to be connected on one side of a bridge and a road to be connected on the other side of the bridge, the road surface of the road to be connected is higher than the road to be connected, a movable bridge plate with the height of the road surface consistent with that of the road to be connected is arranged between the road to be connected and the road to be connected, a pedestrian slope surface and a vehicle slope surface which are connected with the movable bridge plate are correspondingly arranged at the two sides and the middle part of the road to be connected, wedge-shaped width limiting mechanisms for blocking the pedestrian slope surfaces are respectively arranged at the two sides between the road to be connected and the road to be connected, one end of the movable bridge plate is provided with a concave part for embedding one end of a road to be connected, the lower side of the movable bridge plate is provided with a driving mechanism for driving the movable bridge plate to move towards one side of the road to be connected and expose the concave part, the wedge-shaped width limiting mechanism is driven to be opened by the movable bridge plate in the process of moving to one side of the connected road so as to expose the pedestrian slope.
Furthermore, the driving mechanism comprises a supporting chute which is arranged at the lower side of the movable bridge plate and is in sliding fit with the movable bridge plate, a transverse rack is arranged on the movable bridge plate, and a gear meshed with the rack is arranged at the output end of a driving motor.
Furthermore, the supporting sliding grooves comprise first sliding grooves arranged on two sides of the lower portion of the movable bridge plate, two second sliding grooves extending to the lower side of a road to be connected are arranged between the two first sliding grooves, the first sliding grooves and the second sliding grooves cross a river and are fixed on the ground, and the transverse rack penetrates out of the two second sliding grooves.
Furthermore, the movable bridge plate is provided with a convex rail which is respectively in sliding fit with the supporting sliding groove, and the lower side of the connected road is provided with a limiting groove for avoiding the movable bridge plate.
Furthermore, the wedge-shaped width limiting mechanism comprises a width limiting sleeve, a return spring is arranged in the width limiting sleeve, a wedge-shaped width limiting sliding block with the other end penetrating out of the width limiting sleeve is connected onto the return spring, and the wedge-shaped width limiting sliding block is connected with the movable bridge plate in a sliding mode and used for driving the wedge-shaped width limiting sliding block to contract into the width limiting sleeve.
Furthermore, the extending end of the wedge-shaped width limiting sliding block is wedge-shaped, an inclined sliding groove is formed in the wedge-shaped surface of the wedge-shaped width limiting sliding block, and an outer convex wedge body which is matched with the inclined sliding groove and used for enabling the wedge-shaped width limiting sliding block to contract into the width limiting sleeve when the movable bridge plate moves to one side of the connected road is arranged on the movable bridge plate.
Further, the depth of the recess is larger than the transverse movement stroke of the moving bridge plate.
Further, the vehicle running slope protrudes towards one side of the road to be connected and is positioned on the upper side of the movable bridge plate.
Furthermore, a peripheral safety guardrail is arranged on the bridge deck of the movable bridge plate.
A working method of a narrow bridge system for preferentially ensuring pedestrian passage comprises the following steps:
(1) when only pedestrians pass, the motor is controlled to drive the gear to rotate anticlockwise, the transverse rack pulls the movable bridge plate to move towards the direction of the road to be connected on the left side, the movable bridge plate extrudes the wedge-shaped width limiting blocks and moves inwards along the respective width limiting sleeves, when the left end of the movable bridge plate is moved to a limiting position below the road to be connected, two sides of the right end of the movable bridge plate cross a river to allow the pedestrians to pass in two directions, and the concave part exposed at the right end of the movable bridge plate is used for forcibly intercepting parking flow;
(2) when only allowing small-size passenger train bicycle to pass, control motor drive gear clockwise rotates, and horizontal rack promotes the removal bridge plate and moves right, and wedge limit for width piece moves outward along the limit for width cover under reset spring's effect, and when removal bridge plate right-hand member moved to and waits to be connected the road complete connection, removal bridge plate left side end crossed the river, realized widening the clearance to the vehicle.
Compared with the prior art, the invention has the following advantages: the system can switch the passing mode of the bridge according to the actual situation, and forbids any vehicle to drive in under the prior pedestrian passing mode, thereby avoiding any mixed traveling and ensuring the safety of the pedestrian passing the bridge; under the mode of allowing small buses to pass, the bridge deck is subjected to width limiting operation, so that large overproof vehicles can be effectively limited from forcibly passing a bridge.
Drawings
FIG. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is a schematic structural view of a moving bridge plate according to the present invention;
FIG. 5 is a schematic diagram of the structure of the width limiting block of the present invention;
FIG. 6 is a side view of a width block of the present invention;
FIG. 7 is a schematic structural view of a width-limiting sleeve of the present invention;
in the figure: 1-connected road; 2-road to be connected; 3-moving the bridge plate; 5-a transverse rack; 6-gear; 7-a motor; 11-pedestrian slope; 12-vehicle slope; 13-a limiting groove; 31-a recess; 32-convex rail; 33-an outer convex wedge; 41-a first runner; 42-a second chute; 81-width limiting sleeve; 82-a return spring; 83-wedge-shaped width limiting sliding block; 84-oblique chute.
Detailed Description
In order to make the aforementioned features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below, but the present invention is not limited thereto.
Refer to fig. 1 to 7
A narrow bridge system for preferentially ensuring pedestrian passage comprises a road 1 to be connected on the left side of a bridge and a road 2 to be connected on the right side of the bridge, the road surface of the road to be connected is higher than the road to be connected, a movable bridge plate 3 with the height of the road surface consistent with that of the road to be connected is arranged between the road to be connected and the road to be connected, pedestrian slopes 11 connected with the movable bridge plate are arranged at two sides of the road to be connected, a vehicle slope 12 connected with the movable bridge plate and protruding towards one side of the road to be connected is arranged at the middle part of the road to be connected, wedge-shaped width limiting mechanisms used for blocking the pedestrian slopes are respectively arranged at two sides between the road to be connected and the road to be connected, a concave part 31 used for embedding one end of the road to be connected is arranged at one end of the movable bridge plate, so that the two sides of the right side end of the movable bridge plate form a pedestrian passageway, and part of the pedestrian passageway is always connected with the road to be connected. The lower side of the movable bridge plate is provided with a driving mechanism for driving the movable bridge plate to move towards one side of the road to be connected to expose the concave part, and the wedge-shaped width limiting mechanism is driven to be opened by the movable bridge plate in the moving process towards one side of the road to be connected to expose the pedestrian slope.
In this embodiment, in order to drive the movable bridge plate to move transversely, the driving mechanism includes a supporting chute which is arranged at the lower side of the movable bridge plate and is in sliding fit with the movable bridge plate, a transverse rack 5 is arranged on the movable bridge plate, and a gear 6 which is meshed with the rack is arranged at the output end of a driving motor 7.
In this embodiment, in order to enable the movable bridge plate to be supported in the moving process, the supporting chutes comprise first chutes 41 which are arranged on two sides of the lower portion of the movable bridge plate and are parallel to each other, two second chutes 42 which extend to the lower side of the road to be connected and are parallel to each other are arranged between the two first chutes, the first chutes and the second chutes cross the river and are both fixed on the ground, and the transverse rack penetrates out from between the two second chutes in the stroke process.
In this embodiment, the movable bridge plate is provided with a convex rail 32 which is respectively in sliding fit with the supporting sliding groove, so that the movable bridge plate slides under the guiding of the supporting sliding groove. And a limiting groove 13 which avoids the movable bridge plate within a certain range is arranged at the lower side of the road to be connected so as to be used for the movement of the movable bridge plate.
In this embodiment, the movable bridge plate is substantially in a combination of "1 trapezoid connected to the road to be connected +2 rectangles located at two sides of the road to be connected", so that a concave portion is formed at the right end of the movable bridge plate. The plate body of the trapezoidal part is used for ensuring the single vehicle of the small-sized passenger car to pass, the plate bodies of the two rectangular parts are mainly used for ensuring the two-way passing of the pedestrians, and the transverse rack 5 is used as a symmetrical shaft at the bottom of the plate body of the trapezoidal part.
In this embodiment, in order to block the pedestrian slope and partition the pedestrian slope from the pedestrian passage, the wedge-shaped width limiting mechanism includes a width limiting sleeve 81, two return springs 82 are disposed in the width limiting sleeve, a wedge-shaped width limiting slider 83 having the other end penetrating through the width limiting sleeve is connected to the other ends of the two return springs, and the wedge-shaped width limiting slider is connected to the movable bridge plate in a sliding manner and used for driving the wedge-shaped width limiting slider to contract into the width limiting sleeve, so that the return springs store energy due to compression, and when the return springs apply work to the outside, the wedge-shaped width limiting block is pushed to move outwards along the width limiting sleeve.
In this embodiment, in order to realize that the movable bridge plate drives the wedge-shaped width limiting slider to move, the extending end of the wedge-shaped width limiting slider is in a wedge shape, an inclined sliding groove 84 is formed in the wedge-shaped surface of the wedge-shaped width limiting slider, and an outer convex wedge 33 which is matched with the inclined sliding groove and used for enabling the wedge-shaped width limiting slider to contract into the width limiting sleeve when the movable bridge plate moves to one side of a connected road is arranged on the movable bridge plate.
In this embodiment, the width limiting sleeve and the wedge-shaped width limiting slider are respectively provided with a positioning hole for positioning the return spring.
In this embodiment, in order to enable the movable bridge plate to move leftwards, the pedestrian passages on two sides of the movable bridge plate are also connected with the road to be connected, and the depth of the concave portion is greater than the transverse movement stroke of the movable bridge plate.
In this embodiment, the bridge deck of the movable bridge plate is provided with the peripheral safety barrier, so that the safety is improved.
A working method of a narrow bridge system for preferentially ensuring pedestrian passage comprises the following steps:
(1) when only pedestrians pass, the motor is controlled to drive the gear to rotate anticlockwise, the transverse rack pulls the movable bridge plate to move towards the direction of the road to be connected on the left side, the movable bridge plate pushes the wedge-shaped width limiting blocks open and moves inwards along the respective width limiting sleeves, when the left end of the movable bridge plate is moved to the limiting position of the limiting groove below the road to be connected, two 'rectangular' sidewalks on two sides of the right end of the movable bridge plate cross a river to allow the pedestrians to pass in two directions, and the exposed concave part at the right end of the movable bridge plate is used for forcibly intercepting and stopping the traffic;
(2) when only allowing small-size passenger train bicycle to pass, control motor drive gear clockwise rotates, and horizontal rack promotes the removal bridge plate and moves right, and wedge limit for width piece moves outward along the limit for width cover under reset spring's effect, and when removal bridge plate right-hand member moved to and treats that the road is connected completely, the removal bridge plate left end was the body type part and stridees the river, realizes carrying out the limit for width to the vehicle and lets go.
If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the terms "first" and "second" are used merely to distinguish one element from another in a descriptive sense and are not intended to have a special meaning unless otherwise stated.
If the invention discloses or relates to parts or structures which are fixedly connected to each other, the fixedly connected parts can be understood as follows, unless otherwise stated: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).
In addition, terms used in any technical solutions disclosed in the present invention to indicate positional relationships or shapes include approximate, similar or approximate states or shapes unless otherwise stated.
Any part provided by the invention can be assembled by a plurality of independent components or can be manufactured by an integral forming process.
It will be apparent to those skilled in the art that the above-described preferred embodiments of the present invention are merely illustrative, and that various alternative and preferred embodiments of the present invention may be devised without departing from the spirit and scope of the present invention.
Claims (10)
1. A narrow bridge system for preferentially ensuring pedestrian passage comprises a road to be connected on one side of a bridge and a road to be connected on the other side of the bridge, it is characterized in that the road surface of the road to be connected is higher than the road to be connected, a movable bridge plate with the height of the road surface consistent with that of the road to be connected is arranged between the road to be connected and the road to be connected, a pedestrian slope surface and a vehicle slope surface which are connected with the movable bridge plate are correspondingly arranged at the two sides and the middle part of the road to be connected, wedge-shaped width limiting mechanisms for blocking the pedestrian slope surfaces are respectively arranged at the two sides between the road to be connected and the road to be connected, one end of the movable bridge plate is provided with a concave part for embedding one end of a road to be connected, the lower side of the movable bridge plate is provided with a driving mechanism for driving the movable bridge plate to move towards one side of the road to be connected and expose the concave part, the wedge-shaped width limiting mechanism is driven to be opened by the movable bridge plate in the process of moving to one side of the connected road so as to expose the pedestrian slope.
2. The narrow bridge system for preferentially ensuring pedestrian passage according to claim 1, wherein the driving mechanism comprises a supporting chute arranged at the lower side of the movable bridge plate and matched with the movable bridge plate in a sliding manner, the movable bridge plate is provided with a transverse rack, and the output end of a driving motor is provided with a gear meshed with the rack.
3. The narrow bridge system for preferentially ensuring the passage of the pedestrians as claimed in claim 2, wherein the supporting chutes comprise first chutes arranged at both sides of the lower part of the moving bridge plate, two second chutes extending to the lower side of the road to be connected are arranged between the two first chutes, the first chutes and the second chutes cross the river and are both fixed on the ground, and the transverse rack penetrates out from between the two second chutes.
4. The narrow bridge system for preferentially ensuring the passage of pedestrians as claimed in claim 2 or 3, wherein the moving bridge plate is provided with a convex rail which is respectively matched with the supporting sliding grooves in a sliding manner, and the lower side of the connected road is provided with a limiting groove which avoids the moving bridge plate.
5. The narrow bridge system for preferentially ensuring pedestrian passage according to claim 2 or 3, wherein the wedge-shaped width limiting mechanism comprises a width limiting sleeve, a return spring is arranged in the width limiting sleeve, a wedge-shaped width limiting sliding block with the other end penetrating out of the width limiting sleeve is connected onto the return spring, and the wedge-shaped width limiting sliding block is in sliding connection with the movable bridge plate and is used for driving the wedge-shaped width limiting sliding block to contract into the width limiting sleeve.
6. The narrow bridge system for preferentially ensuring the passage of pedestrians as claimed in claim 5, wherein the protruding end of the wedge-shaped width limiting slider is wedge-shaped, an inclined chute is arranged on the wedge-shaped surface of the wedge-shaped width limiting slider, and an outer convex wedge body matched with the inclined chute and used for enabling the wedge-shaped width limiting slider to contract into the width limiting sleeve when the movable bridge plate moves to one side of the road to be connected is arranged on the movable bridge plate.
7. The narrow bridge system for preferentially ensuring pedestrian traffic as recited in claim 1, wherein a depth of the recess is greater than a lateral movement stroke of the moving bridge plate.
8. The narrow bridge system for preferentially ensuring pedestrian traffic as claimed in claim 1, wherein the traffic slope is projected toward one side of the road to be connected and is located on an upper side of the moving bridge plate.
9. The narrow bridge system for preferentially ensuring pedestrian passage according to claim 1, wherein peripheral safety guardrails are arranged on the bridge deck of the movable bridge plate.
10. An operation method applied to the narrow bridge system for preferentially ensuring pedestrian passage in claim 6 is characterized by comprising the following steps:
(1) when only pedestrians pass, the motor is controlled to drive the gear to rotate anticlockwise, the transverse rack pulls the movable bridge plate to move towards the direction of the road to be connected on the left side, the movable bridge plate extrudes the wedge-shaped width limiting blocks and moves inwards along the respective width limiting sleeves, when the left end of the movable bridge plate is moved to a limiting position below the road to be connected, two sides of the right end of the movable bridge plate cross a river to allow the pedestrians to pass in two directions, and the concave part exposed at the right end of the movable bridge plate is used for forcibly intercepting parking flow;
(2) when only allowing small-size passenger train bicycle to pass, control motor drive gear clockwise rotates, and horizontal rack promotes the removal bridge plate and moves right, and wedge limit for width piece moves outward along the limit for width cover under reset spring's effect, and when removal bridge plate right-hand member moved to and waits to be connected the road complete connection, removal bridge plate left side end crossed the river, realized widening the clearance to the vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010052150.2A CN111041971B (en) | 2020-01-17 | 2020-01-17 | Narrow-bridge system for preferentially guaranteeing pedestrian traffic and working method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010052150.2A CN111041971B (en) | 2020-01-17 | 2020-01-17 | Narrow-bridge system for preferentially guaranteeing pedestrian traffic and working method thereof |
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| Publication Number | Publication Date |
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| CN111041971A true CN111041971A (en) | 2020-04-21 |
| CN111041971B CN111041971B (en) | 2024-06-25 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102660914A (en) * | 2012-05-18 | 2012-09-12 | 赵鹏 | Crossroad barrier-free all-direction combined type transportation junction |
| CN105648864A (en) * | 2016-03-21 | 2016-06-08 | 吕雅南 | Cross ring-type full-function interchange |
| CN108396635A (en) * | 2018-04-10 | 2018-08-14 | 辛成辉 | A kind of removable track isolation strip of Overbridge type |
| CN209162619U (en) * | 2018-10-29 | 2019-07-26 | 陈来旺 | Ultralow across road bascule bridge |
| CN211815499U (en) * | 2020-01-17 | 2020-10-30 | 福州大学 | Narrow bridge system for preferentially ensuring pedestrian traffic |
-
2020
- 2020-01-17 CN CN202010052150.2A patent/CN111041971B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102660914A (en) * | 2012-05-18 | 2012-09-12 | 赵鹏 | Crossroad barrier-free all-direction combined type transportation junction |
| CN105648864A (en) * | 2016-03-21 | 2016-06-08 | 吕雅南 | Cross ring-type full-function interchange |
| CN108396635A (en) * | 2018-04-10 | 2018-08-14 | 辛成辉 | A kind of removable track isolation strip of Overbridge type |
| CN209162619U (en) * | 2018-10-29 | 2019-07-26 | 陈来旺 | Ultralow across road bascule bridge |
| CN211815499U (en) * | 2020-01-17 | 2020-10-30 | 福州大学 | Narrow bridge system for preferentially ensuring pedestrian traffic |
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| CN111041971B (en) | 2024-06-25 |
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