CN111472256A

CN111472256A - Foldable intelligent bridge

Info

Publication number: CN111472256A
Application number: CN202010411881.1A
Authority: CN
Inventors: 肖斐; 隋晓旭; 胡琦; 李维东
Original assignee: Huagao Digital Technology Co ltd
Current assignee: Huagao Digital Technology Co ltd
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2020-07-31
Anticipated expiration: 2040-05-15
Also published as: CN111472256B

Abstract

The invention belongs to the technical field of intelligent buildings, and relates to a folding intelligent bridge, which can be used for manually or automatically unfolding or erecting the bridge according to the traffic flow and the actual requirements of emergency vehicles, wherein the main structure comprises a middle shaft, an upper buckle, a lower buckle, a baffle, a push rod, a support rod, a sliding bearing and a bridge deck; its simple structure, the size of control bridge road surface width that can be effectual, when the decking is in the expansion state, has the guardrail concurrently, has the efficiency that gives sound insulation and keep out the wind, has improved the current efficiency of bridge, and practical value is high, is favorable to city development.

Description

Foldable intelligent bridge

The technical field is as follows:

the invention belongs to the technical field of intelligent buildings, and relates to a folding intelligent bridge which can be unfolded or erected manually or automatically according to traffic flow and the actual requirement of emergency vehicle passing.

Background art:

the bridge is a structure erected on rivers, lakes and seas to enable vehicles and pedestrians to pass through smoothly. In order to adapt to the modern high-speed developed traffic industry, bridges are also extended to be constructed to span mountain stream, unfavorable geology or meet other traffic needs, so that the buildings are convenient to pass. The bridge generally comprises an upper structure, a lower structure, a support and an auxiliary structure, wherein the upper structure is also called a bridge span structure and is a main structure for spanning obstacles; the lower structure comprises a bridge abutment, a bridge pier and a foundation; the support is a force transmission device arranged at the supporting positions of the bridge span structure and the bridge pier or the bridge abutment; the auxiliary structures refer to bridge head butt straps, conical revetments, bank protection, diversion projects and the like; the tidal lane is a variable lane, and one or more lanes with vehicle driving directions which are changed along different time periods are set in a city according to different conditions of traffic flow in the morning and in the evening.

Prior art folding bridges do not combine tidal lanes with bridge construction, for example: the folding bridge disclosed in the chinese patent 201910872279.5 comprises at least two bridge units, each of the bridge units comprises a support platform, a plurality of support piers are provided on the support platform, and each of the support piers can slide along the support platform; the upper end surface of each supporting pier is provided with a main beam, each main beam is hinged with two bridge decks, the bridge decks between two adjacent supporting piers are hinged, the bridge decks on the outer sides of the two supporting piers at the two ends of the supporting platform are connected to a main tower through slings, and the main tower is fixed on the supporting platform; when two adjacent supporting piers are close to each other, two adjacent bridge deck boards are folded; when two adjacent supporting piers are far away, two adjacent bridge decks are unfolded; when the bridge decks of two adjacent bridge units are unfolded, the bridge decks between the two adjacent bridge units are butted; the folding emergency bridge disclosed in the chinese patent 201910740226.8 comprises a bridge main body part, wherein the bridge main body part comprises a base supported on the ground, and the base is hinged with an upright post; a hydraulic cylinder for driving the upright post and the base to rotate is arranged between the upright post and the base, a plurality of sections of foldable bridge deck surfaces are hinged on the other side wall of the upright post through a pin shaft, the bridge deck surfaces and the side wall of the upright post are hinged and connected through a symmetrically arranged lateral folding framework, steel wire rope systems for providing traction force are symmetrically fixed at the top of the upright post, one winding drum of the steel wire rope systems is matched with a plurality of guide wheels fixed at the top of the folding framework through a first roller steel wire rope, the tail end of the winding drum is connected to the tail end of the bridge deck surface, and the other winding drum of the steel wire rope systems is connected with the first section of bridge deck through a second roller steel wire rope; the foldable emergency bridge disclosed in the chinese patent 201821760365.4 comprises two sets of bridge splicing structures, the two sets of bridge splicing structures are respectively arranged at two sides of a river bank, the two sets of bridge splicing structures are arranged symmetrically left and right, each set of bridge splicing structure comprises two bridge folding assemblies, and the two bridge folding assemblies are arranged symmetrically front and back; the bridge folding assembly comprises a base, a box body, a foldable cross beam and a motor, wherein the base is horizontally arranged from left to right, the box body is horizontally fixed on the base, one side of the box body is provided with a through groove along the left-right horizontal direction, the foldable cross beam comprises a telescopic beam and a folding beam, chamfers are arranged on one sides of the telescopic beam and the folding beam, one end of the telescopic beam is hinged with one end of the folding beam, the other end of the telescopic beam is horizontally inserted in the box body, the foldable cross beam is sleeved with a reinforcing sleeve, a first hydraulic oil cylinder is hinged on the lower surface of the reinforcing sleeve, a second hydraulic oil cylinder is horizontally arranged on the lower surface of the reinforcing sleeve from left to right, a groove opening direction and a downward sliding groove are horizontally arranged between the second hydraulic oil cylinder and the first hydraulic oil cylinder, a sliding block is matched on the, the other end of the connecting rod is hinged to the lower end of a cylinder barrel of the first hydraulic oil cylinder, a rack is arranged on one side face of the telescopic beam along the left-right horizontal direction, the motor is fixedly arranged on one side of the base in a manner of being vertical to the ground, a gear is connected to a main shaft of the motor and is in meshed transmission with the rack, first threaded holes are formed in the upper ends of the telescopic beam and the folding beam at equal intervals, each first threaded hole is provided with a threaded upright rod, and a cross rod is connected between every two adjacent threaded upright; folding bridge plates are arranged between the two bridge folding assemblies along the front-back horizontal direction and comprise first folding plates and second folding plates, one ends of the first folding plates are hinged to one ends of the second folding plates through hinges, and the first folding plates and the second folding plates are laid on chamfers between the two folding cross beams. Therefore, the foldable intelligent bridge is researched and designed, the bridge can be unfolded or erected automatically or manually according to the actual conditions such as traffic flow, the sound insulation effect can be achieved after the bridge is erected, a certain wind shielding effect is achieved, and the foldable intelligent bridge has a good application prospect.

The invention content is as follows:

the invention aims to overcome the defects in the prior art, and develops and designs a folding intelligent bridge which is unfolded or erected according to the actual conditions such as traffic flow and the like.

In order to achieve the purpose, the main structure of the folding intelligent bridge comprises a middle shaft, an upper buckle, a lower buckle, a baffle, a push rod, a support rod, a sliding bearing and a bridge deck, wherein the main structure is arranged on the basis of the existing bridge; a middle shaft is arranged on a middle shaft line at the bottom of an existing bridge, an upper buckle is arranged at the upper part of the middle shaft, a lower buckle is arranged at the lower part of the middle shaft, baffles are arranged at longitudinal positions at two sides of the middle shaft, push rods are arranged at transverse positions at two sides of the middle shaft and are connected with support rods, 2-6 sliding bearings are arranged on the support rods, and the support rods are connected with a bridge deck.

The support rod is of an arc-shaped structure.

Compared with the prior art, the automatic control device is linked with the pressure sensor paved under the existing bridge deck during automatic control, the erection and the expansion of the bridge deck are automatically carried out according to the traffic flow information sensed by the pressure sensor, and the bridge deck is manually expanded or erected during manual control according to the traffic flow, the actual requirements of emergency vehicles and the like; its simple structure, the size of control bridge road surface width that can be effectual, when the decking is in the expansion state, has the guardrail concurrently, has the efficiency that gives sound insulation and keep out the wind, has improved the current efficiency of bridge, and practical value is high, is favorable to city development.

Description of the drawings:

fig. 1 is a schematic diagram of the principle of the main structure of the present invention.

Fig. 2 is a schematic view of the present invention in an unfolded state.

The specific implementation mode is as follows:

the invention is further illustrated by the following examples in conjunction with the accompanying drawings.

Example 1:

the main structure of the folding intelligent bridge related to the embodiment based on the existing bridge comprises a middle shaft 1, an upper buckle 2, a lower buckle 3, a baffle 4, a push rod 5, a support rod 6, a sliding bearing 7 and a bridge deck 8; a middle shaft 1 is arranged on a middle shaft line at the bottom of an existing bridge, an upper buckle 2 is arranged at the upper portion of the middle shaft 1, a lower buckle 3 is arranged at the lower portion of the middle shaft 1, baffles 4 are arranged at longitudinal positions of two sides of the middle shaft 1, push rods 5 are arranged at transverse positions of two sides of the middle shaft 1, the push rods 5 are connected with support rods 6 of an arc-shaped structure, 3 sliding bearings 7 are arranged at equal intervals at the arc-shaped portion of each support rod 6, and the support rods 6 are connected with a bridge deck 8.

The middle shaft 1 related in the embodiment can be replaced by a pier of an existing bridge meeting the design requirement of the middle shaft 1; the upper buckle 2, the lower buckle 3, the baffle 4 and the push rod 5 are all provided with a lug or a groove, and the lug is connected with the groove in a clamping manner so as to increase the stability; the upper buckle 2 and the lower buckle 3 are bounced off when the bridge deck 8 is unfolded and used for fixing the position of the baffle 4, preventing the baffle 4 from being misplaced and carrying out secondary fixing; the lower buckle 3 can be rotated out from one side or the periphery of the middle shaft 1, when the lower buckle is rotated out from one side, the bridge deck 8 at the rotated-out side is unfolded, and when the lower buckle is rotated out from the periphery, the bridge deck 8 at the two sides are unfolded, so that the condition that the unfolding of the bridge deck 8 at the other side is not influenced by the unfolding of the bridge deck at one side is avoided; the baffle 4, the push rod 5 and the bridge deck 8 are respectively driven by a gear 9 with a motor, and the gears 9 can be automatically started without mutual influence; the connection of the support rod 6, the push rod 5 and the bridge deck 8 conforms to the lever principle.

The foldable intelligent bridge related to the embodiment is in a manual control state, according to actual requirements of fire alarm, first aid, public security, congestion, accidents or maintenance and the like, a bridge deck 8 is manually unfolded, when the bridge deck 8 is unfolded, a gear 9 of the bridge deck 8 is driven to rotate, the pressure of the bridge deck 8 enables a support rod 6 to slide through a sliding bearing 7 and pushes a push rod 5, the push rod 5 is close to a middle shaft 1 under the combined action of the thrust and the gear 9 of the drive push rod 5, and after the push rod 5 is close to a set distance, the gear 9 of the drive baffle 4 drives the baffle 4 to slide down the baffle 4 to be in contact with the push rod 5 and fix the position of the push rod 5; after the baffle 4 is stabilized, the upper buckle 2 and the lower buckle 3 are rotated out from the middle shaft 1 to fix the baffle 4 and further stabilize the push rod 5.

Example 2:

the foldable intelligent bridge that this embodiment relates to is the automatic control state, uses with the pressure sensor cooperation of laying under the current bridge floor, and pressure sensor responds to the car that traveles on the bridge floor, and when taking place the traffic jam, pressure sensor passes through the traffic control system and expands the decking 8 that is in the state of standing at ordinary times automatically, supplies the sparse use of traffic, and after the solution of blocking up, pressure sensor stands the decking 8 that is in the state of expanding again automatically through the traffic control system.

Claims

1. A folding intelligent bridge is characterized in that a main structure comprises a middle shaft, an upper buckle, a lower buckle, a baffle, a push rod, a support rod, a sliding bearing and a bridge deck; a middle shaft is arranged on a middle shaft line at the bottom of an existing bridge, an upper buckle is arranged at the upper part of the middle shaft, a lower buckle is arranged at the lower part of the middle shaft, baffles are arranged at longitudinal positions at two sides of the middle shaft, push rods are arranged at transverse positions at two sides of the middle shaft and are connected with support rods, 2-6 sliding bearings are arranged on the support rods, and the support rods are connected with a bridge deck.

2. The foldable smart bridge of claim 1, wherein the central axis can be replaced by a pier of an existing bridge that meets the design requirements of the central axis.

3. The foldable smart bridge of claim 1, wherein the upper buckle, the lower buckle, the baffle and the push rod are provided with a protrusion or a groove, and the protrusion is connected with the groove in a clamping manner.

4. The folding intelligent bridge according to claim 1, wherein the upper buckle and the lower buckle spring open when the bridge deck is unfolded, so as to fix the position of the baffle, prevent the baffle from being misplaced, and perform secondary fixing; lower buckle can follow one side of axis or roll out all around, when roll out from one side, the decking of roll out side expandes, when roll out all around from, the decking of both sides all expandes, avoids the expansion influence of one side decking not to influence the expansion of opposite side decking.

5. The foldable smart bridge of claim 1, wherein the stop, the push rod and the bridge deck are driven by gears with motors, respectively, and the gears can be self-actuated without mutual interference.

6. The foldable smart bridge of claim 1, wherein the support rods are arc-shaped structures.

7. The foldable smart bridge of claim 1, wherein the connection of the support rods to the push rods and the bridge deck is in accordance with the lever principle.

8. The folding intelligent bridge according to any one of claims 1 to 7, wherein when used in a manually controlled state, the bridge deck is manually unfolded according to actual needs of fire alarm, emergency treatment, public security, congestion, accident or maintenance, etc., the gears of the bridge deck are driven to rotate when the bridge deck is unfolded, the pressure of the bridge deck enables the support rods to slide through the sliding bearings and pushes the push rods, the push rods are drawn towards the central shaft under the combined action of the pushing force and the gears of the drive push rods, and after the push rods are drawn to a set distance, the gears of the drive baffle slide the baffle down to contact with the push rods and fix the position of the push rods; after the baffle is firm, go up the buckle and rotate out from the countershaft with lower buckle, fixed baffle to the push rod is further firm.

9. The foldable intelligent bridge according to any one of claims 1 to 7, wherein in the automatic control state, the foldable intelligent bridge is used in cooperation with a pressure sensor laid under an existing bridge deck, the pressure sensor senses vehicles running on the bridge deck, when a traffic jam occurs, the pressure sensor automatically unfolds the bridge deck in the normally upright state through a traffic control system for traffic evacuation, and after the traffic jam is resolved, the pressure sensor automatically erects the bridge deck in the unfolded state again through the traffic control system.