CN108660968B - Road and bridge traffic height limiting device - Google Patents
Road and bridge traffic height limiting device Download PDFInfo
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- CN108660968B CN108660968B CN201810314732.6A CN201810314732A CN108660968B CN 108660968 B CN108660968 B CN 108660968B CN 201810314732 A CN201810314732 A CN 201810314732A CN 108660968 B CN108660968 B CN 108660968B
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- gear
- rod
- lifting
- rotating
- rods
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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
- E01F13/048—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 with obstructing members moving in a translatory motion, e.g. vertical lift barriers, sliding gates
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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
- E01F9/50—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
- E01F9/529—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users specially adapted for signalling by sound or vibrations, e.g. rumble strips; specially adapted for enforcing reduced speed, e.g. speed bumps
Abstract
The invention relates to a road and bridge traffic height limiting device, which effectively solves the problem of serious property loss under the rigid collision between a height limiting rod and a vehicle in road traffic; the technical scheme includes that the roadbed comprises a roadbed, wherein first fixing rods are arranged on the left side and the right side of the roadbed respectively, rotary lifting columns are in threaded connection with the two first fixing rods respectively, a first gear arranged at the upper end of the corresponding first fixing rod is sleeved on the outer side of one rotary lifting column, the first gear is in threaded fit with the rotary lifting columns, a second gear is meshed with the first gear, a first gear shaft penetrates through the second gear, and the lower end of the first gear shaft is connected with a driving motor; the upper ends of the two rotary lifting columns are respectively provided with a belt pulley arranged outside the first fixed rod, and the two belt pulleys are in transmission connection through a belt; the lower ends of the two rotary lifting columns are connected with lifting rods, the lifting rods are connected with the rotary lifting columns through connecting grooves, the lifting rods are connected with a first fixed rod in a sliding mode, and the two lifting rods are connected through a connecting plate; the invention has good height limiting effect.
Description
Technical Field
The invention relates to the technical field of road safety facilities, in particular to a road and bridge traffic height limiting device.
Background
In road traffic, it is often necessary to limit the loading height of passing vehicles by means of height-limiting devices. For example, roads, ramps, culverts, bridges and the like need to limit the passing height to ensure the traffic safety of roads. With the increasing of the vehicle holding capacity, the collision accident frequently occurs, the phenomena of breakage of the height limiting rod, serious vehicle damage and damage to other vehicles and pedestrians caused by the breakage of the height limiting rod occur, and therefore the serious property and personnel loss problem is caused.
In addition, in road traffic, the height limiting rod does not have a matched device for reducing the speed of the vehicle, the height limiting rod and the vehicle of many vehicles with very high speed cause great damage, and most importantly, serious injury can be caused to personnel on the vehicle.
Recently, accidents in which the vehicle is damaged by the height limiting device have occurred mainly because: the height limiting devices are all iron poles with fixed positions, so that collision accidents are easy to happen under the conditions of darkness and no understanding of road conditions; moreover, the fixed position of the height limiting device is arranged in a way that special vehicles cannot pass through the height limiting device, for example, in case of fire, a fire police car cannot pass through the height limiting device.
Due to the technical defects in the prior art, the technical problems to be solved by the technical personnel in the field are urgent. Therefore, a road and bridge traffic height limiting device is very important.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides a road and bridge traffic height limiting device, which effectively solves the problems of serious property loss and safety injury to personnel on a vehicle under the rigid collision between a height limiting rod and the vehicle in road traffic.
The invention comprises a roadbed;
the roadbed comprises a roadbed, a first fixing rod, a first gear, a second gear, a driving motor, a second gear shaft, a power supply device and a power supply device, wherein the roadbed is provided with the first fixing rods on the left side and the right side respectively;
the upper ends of the two rotary lifting columns are respectively provided with a belt pulley arranged outside the first fixed rod, and the two belt pulleys are connected through a belt in a transmission way;
the lower ends of the two rotary lifting columns are connected with lifting rods, the lifting rods are connected with the rotary lifting columns through connecting grooves in the upper ends of the lifting rods, the lifting rods are connected with the first fixing rod in a sliding mode, so that the lifting rods do not rotate along with the rotary lifting columns when the rotary lifting columns rotate, the lifting rods can be driven to ascend when the rotary lifting columns ascend, and the two lifting rods are connected through a connecting plate, so that the connecting plate can complete simultaneous lifting along with the lifting rods;
the lower end of the connecting plate is rotatably connected with a plurality of rotating plates which are uniformly distributed and arranged, the lower ends of the plurality of rotating plates transversely penetrate through connecting rods, and two ends of each connecting rod are movably arranged on the lifting rod;
the lower ends of the rotating plates are respectively fixed with a compression-resistant device, the compression-resistant device comprises a second impact block which is vertically and fixedly connected with the rotating plates, a first impact block is connected in the second impact block in a sliding manner, the first impact block is connected with a first spring which is arranged in the second impact block, the first spring is connected to the bottom of the second impact block through a pressure-sensitive buzzer, the multiple compression-resistant devices are connected into a whole through a compression-resistant connecting rod, impact rods which are fixedly connected with the first impact block are arranged on the compression-resistant devices at two ends of the multiple compression-resistant devices, the impact rods penetrate through the rotating plates, the ends of the impact rods are fixedly provided with a first spring connecting plate, the first spring connecting plate is fixedly provided with two extension springs which are triangular, the extension springs are formed by connecting the springs with the spring coefficients gradually increased in series, and the end with the smaller spring coefficient is connected with the first spring connecting, the larger end of the spring coefficient is fixed to the connecting rod, and the middle of the connecting rod is in a fracture state to form two left and right connecting rods.
Preferably, all be equipped with a plurality of non slipping spur that are the circumference equipartition on the belt pulley, be equipped with the anti-skidding recess that matches with the non slipping spur on the belt, frictional force when can increasing the conveying between the belt pulley, the spread groove includes circular slot, circular slot bottom intercommunication has outside joint groove, the lower extreme that rotates the lift post is arranged in the joint inslot through circular slot, and the lifter is connected to the lower part of round platform, the slide has all been seted up to two first dead lever inboards, the interval intercommunication that the lifter in slide and the first dead lever removed the displacement, connecting rod and slide sliding fit, be equipped with the scale mark on the first fixed column.
Preferably, the lower end of the connecting plate is provided with a plurality of rotating grooves, the rotating grooves are provided with rotating holes, the rotating grooves are rotatably connected with rotating plates, the lower ends of the rotating plates are provided with connecting holes, the inner sides of the lower ends of the lifting rods are provided with connecting ports, the connecting ports are connected with the connecting holes through connecting rods, and the connecting rods are in sliding fit with the slide ways; a first internal thread is arranged inside the upper end of the first fixed rod, the first internal thread is in threaded connection with a rotary lifting column, a convex block is arranged at the upper end of the rotary lifting column, and the convex block is positioned at the lower end of the belt pulley; the inside second internal thread that is provided with of first gear, second internal thread and rotation lift post screw-thread fit, the first dead lever upper end that is equipped with first gear is provided with boss form locating piece, first gear lower extreme be provided with boss form locating piece assorted spout, boss form locating piece cooperatees with the spout and rotates and be connected.
Preferably, a second fixing rod with a hollow inner part is arranged at the front end of the first fixing rod, a connecting column is connected in the second fixing rod in a sliding manner, the connecting column is connected to the lifting rod through a connecting column connecting rod penetrating through the second fixing rod and the first fixing rod, the inner sides of the two connecting columns are respectively and rotatably connected with a second rotating plate through a second rotating shaft, the two second rotating plates are movably buckled together, the lower end of the second rotating shaft is connected with a telescopic rod, the lower end of the telescopic rod is connected with a first clamping column, a speed reducing plate arranged in the roadbed is arranged below the second rotating plate, a plurality of uniformly distributed speed reducing blocks are arranged on the speed reducing plate, round holes corresponding to the speed reducing blocks are formed in the roadbed, so that the speed reducing blocks can ascend to the roadbed, a plurality of uniformly distributed compression springs are arranged at the lower end of the speed reducing plate, clamping column rotating grooves matched with the first, so that the first clamping column can rotate in the clamping column rotating groove.
Preferably, a first bevel gear is sleeved at the lower end of the telescopic rod, a second bevel gear is meshed with the first bevel gear, a first wire wheel is connected in the second bevel gear through a rotating shaft, a second wire wheel is arranged in front of the first wire wheel, wire holes are formed in the second wire wheel and the first wire wheel, the first wire wheel and the second wire wheel are connected through a steel wire rope penetrating through the wire holes, the wire holes ensure that the steel wire rope can be normally wound on the first wire wheel and the second wire wheel, a sinking plate arranged below the roadbed is arranged below the second wire wheel, the upper end of the sinking plate is flush with the roadbed, the lower end of the sinking plate is suspended, a pull ring is arranged on the surface of the sinking plate, grooves are formed in the left side and the right side of the sinking plate, a second clamping column is clamped inside the grooves, the first wire wheel and the second wire wheel are connected through the steel wire rope, the steel wire, and the second wire wheel and the rotating shaft are uniformly provided with shaft seats at the upper end of the roadbed.
Preferably, first bevel gear opposite side gear engagement has third bevel gear, be connected with the third gear through the pivot in the third bevel gear, this pivot has the bearing frame that sets up in the road bed upper end, the third gear inboard is provided with the fourth gear with third gear engagement, the fourth gear has the bearing frame that sets up in the road bed upper end, the fourth gear lower extreme is provided with the board that rises with road bed sliding connection, it is fixed with the rack with fourth gear engagement to rise board left and right both ends.
Preferably, a pawl fixing block is fixed on a rotating shaft of the fourth gear, the pawl fixing block is provided with a pawl, a pawl clamping groove with the same shape as the front end of the pawl is formed in the fourth gear, the pawl can prevent the fourth gear from rotating reversely, a key groove used for limiting the rotation of the pawl fixing block is formed in the upper portion of the rotating shaft of the fourth gear, a groove corresponding to the shape of the key groove is formed in the inner side of the pawl fixing block, the pawl fixing block can slide along the key groove, a pull ring is arranged on the surface of the pawl fixing block, and the key groove can prevent the pawl fixing block from rotating in the rotating shaft.
Preferably, be provided with the third dead lever of fixing in the road bed left and right sides between first dead lever and the second dead lever, the inside cylindrical cavity that is of third dead lever, first dead lever and third dead lever all are provided with and supply the gliding spout of spliced pole connecting rod, second dead lever front end is provided with the fourth dead lever of fixing in the road bed left and right sides, the second reel is located the lower extreme of fourth dead lever.
Preferably, a solar panel is fixed at the upper end of the third fixing rod, a street lamp arranged on the third fixing rod is arranged at the lower end of the solar panel, the street lamp is supplied with power by the solar panel, and the solar panel can be used as a power supply device of the driving motor.
The vehicle speed reduction device is ingenious in structure, strong in practicability, simple to operate, adjustable in height and capable of greatly enhancing the safety guarantee of personnel, and the matched device for reducing the speed of the vehicle not only reminds a driver, but also reduces impact kinetic energy.
Drawings
Fig. 1 is a perspective view of a height limiter according to the present invention.
Fig. 2 is a schematic structural diagram of a height limiting device according to the present invention.
Fig. 3 is a schematic structural view of a first fixing rod according to the present invention.
Fig. 4 is a schematic sectional view of a first fixing rod structure according to the present invention.
Fig. 5 is a schematic cross-sectional view of a first gear structure according to the present invention.
Fig. 6 is a schematic view illustrating an assembly structure of the first fixing rod and the connecting plate according to the present invention.
Fig. 7 is a schematic structural view of a rotary lifting column according to the present invention.
Fig. 8 is an assembly structure view of the lifting rod and the connecting plate according to the present invention.
Fig. 9 is a sectional view showing an assembled structure of the lifter and the link plate according to the present invention.
Fig. 10 is a schematic view of a belt structure of a pillar according to the present invention.
Fig. 11 is a front view schematically illustrating the construction of the pivotal plate according to the present invention.
Fig. 12 is a schematic view of the back structure of a rotating plate according to the present invention.
Figure 13 is a schematic view of a connecting rod according to the present invention.
Fig. 14 is a schematic view of the anti-compression device according to the present invention.
Fig. 15 is a schematic sectional view of the structure of the pressure-resistant device according to the present invention.
Fig. 16 is a schematic view of the combination structure of the compression-resistant device and the extension spring according to the present invention.
Fig. 17 is a schematic view of an assembly structure at a rotating plate according to the present invention.
Figure 18 is a schematic view of the structure of the deceleration plate of the upright according to the invention.
FIG. 19 is a schematic view of the combination of the rotating plate and the decelerating plate of the upright post according to the present invention.
Figure 20 is a schematic view of the construction of the reel according to the present invention.
Fig. 21 is a schematic view of the structure of a sink plate according to the present invention.
Fig. 22 is a schematic view of the third and fourth gears according to the present invention.
Fig. 23 is a sectional view of an assembly structure of the first fixing rod and the connecting plate according to the present invention.
Detailed Description
The foregoing and other aspects, features and advantages of the invention will be apparent from the following more particular description of embodiments of the invention, as illustrated in the accompanying drawings in which reference is made to figures 1 to 23. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
In the first embodiment, the invention is arranged on a single-way lane and comprises a roadbed 1;
referring to fig. 1, a first fixing rod 5 is arranged on each of the left side and the right side of a roadbed 1, and the roadbed is characterized in that the two first fixing rods 5 are internally and respectively in threaded connection with a rotary lifting column 15, referring to fig. 23, one rotary lifting column 15 is sleeved with a first gear 10 arranged at the upper end of the corresponding first fixing rod 5, the first gear 10 is in threaded fit with the rotary lifting column 15, so that the first gear 10 can drive the rotary lifting column 15 to rotate and lift, the first gear 10 is meshed with a second gear 11 arranged at the side of the rotary lifting column 15, a first gear shaft 12 is arranged in the second gear 11 in a penetrating manner, the lower end of the first gear shaft 12 is connected with a driving motor 14, the driving motor 14 can drive the first gear shaft 12 to rotate, and the driving motor 14 is connected with a power supply device; the driving motor 14 is a forward and reverse rotating motor, when the driving motor 14 drives the first gear shaft 12 to rotate, the first gear shaft 12 drives the second gear 11 to rotate, then drives the first gear 10 meshed with the second gear 11 to rotate, and finally drives the lifting column 15 in threaded fit with the first gear 10 to complete rotating lifting;
the upper ends of the two rotary lifting columns 15 are respectively provided with a belt pulley 18 arranged outside the first fixing rod 5, and the two belt pulleys 18 are in transmission connection through a belt 20; when the rotary lifting column 15 in threaded fit with the first gear 10 rotates to lift, the belt 20 is in transmission connection to drive the other rotary lifting column 15 to complete synchronous rotation lifting;
the lower ends of the two rotary lifting columns 15 are connected with lifting rods 23, please refer to fig. 9 and 23, the lifting rods 23 are connected with the rotary lifting columns 15 through lifting rod upper end connecting grooves 24, the lifting rods 23 are slidably connected with the first fixing rod 5, the connection mode enables the lifting rods 23 not to rotate along with the rotation of the rotary lifting columns 15 when the rotary lifting columns 15 rotate, the lifting rods 23 can be driven to ascend when the rotary lifting columns 15 ascend, the two lifting rods 23 are connected through a connecting plate 22, the connecting plate 22 can complete simultaneous lifting along with the lifting rods 23, the purpose of adjusting the height is achieved, when emergency vehicles such as fire-fighting vehicles and ambulance need to pass through, the height can be adjusted to release, and in addition, when the height of the height limiting rods needs to be adjusted to adapt to the traffic flow in different periods or the height is adjusted to limit the passing height, the height of the lifting rods can be adjusted;
the lower end of the connecting plate 22 is rotatably connected with a plurality of rotating plates 28 which are uniformly distributed and arranged, the lower ends of the plurality of rotating plates 28 are transversely provided with connecting rods 33 in a penetrating manner, two ends of each connecting rod 33 are movably arranged on the lifting rod 23, when a vehicle driver impacts the rotating plates 28 due to negligence, the connecting rods 33 can be separated from the lifting rods 23, so that the rotating plates 28 are driven to rotate, a vehicle can temporarily pass through, property loss caused by rigid collision of a height limiting rod and the vehicle is avoided, and restoration after impact is very convenient;
referring to fig. 2, 14 and 15, a compression-resistant device 34 is fixed at the lower end of the rotating plate 28, the compression-resistant device 34 includes a second striking block 36 vertically and fixedly connected with the rotating plate 28, a first striking block 35 is slidably connected with the second striking block 36, a first spring 37 arranged in the second striking block 36 is connected with the first striking block 35, the first spring 37 is connected to the bottom of the second striking block 36 through a pressure-sensitive buzzer 38, when a vehicle strikes the first striking block 35, the first striking block 35 compresses the first spring 37 and then slides in the second striking block 36, in the process of compressing the first spring 37, the pressure-sensitive buzzer 38 is stressed to sound an alarm to prompt a driver of an accident and prompt the driver of a brake, the compression-resistant devices 34 are connected into a whole through a compression-resistant connecting rod 43, so that the devices are linked, the impact bars 39 fixedly connected to the first impact block 35 are disposed on the compression-resistant devices 34 at two ends of the plurality of compression-resistant devices 34, please refer to fig. 2, 14 and 15, the impact bars 39 pass through the rotating plate 28, the ends of the impact bars are fixed with first spring connecting plates 40, the first spring connecting plates 40 are fixed with two extension springs 41, the two extension springs 41 are triangular, the extension springs 41 are formed by connecting a plurality of springs with gradually increasing spring coefficients in series, the end with the smaller spring coefficient is connected with the first spring connecting plate 40, the end with the larger spring coefficient is fixed to the connecting rod 33, please refer to fig. 13, the inner portions of the rotating plates 28 at the leftmost end and the rightmost end of the connecting rod 33 are broken, the middle of the connecting rod 33 is broken to form two groups of left and right connecting rods, please refer to fig. 11 and 12, the front faces of the lower ends of the rotating plates 28 at the leftmost end and the rightmost end, the spring sliding grooves 32 are arranged on the back of the lower ends of the leftmost and rightmost rotating plates 28, the impact rod 39 penetrates through the impact rod through hole 31, when a vehicle impacts the first impact block 35, the first impact block 35 compresses the first spring 37 and then slides inside the second impact block 36, the impact rod 39 can slide inside the impact rod through hole 31 and then pulls the extension spring 41, the spring with smaller spring coefficient, which is connected with the first spring connecting plate 40, of the three springs with different spring coefficients can be firstly stressed to deform, and finally the spring with larger spring coefficient, which is fixed to the connecting rod 33, is finally deformed, so that the extension spring 41 pulls the connecting rod 33 is delayed to a certain extent, a driver has a certain braking response time, when the extension spring 41 is continuously pressed, the connecting rod 33 is driven to move towards the impact rod 39, the connecting rods 33 on both sides can synchronously move, then the connecting port 25 is separated, at the moment, the rotating plate 28 can freely rotate around the rotating groove 26, the illegal vehicle can be temporarily put through, and the worker can do post-treatment, so that the vehicle and the height limiting rod are prevented from being damaged destructively, and the driver is prevented from being injured and even being in danger to life in the process.
In the second embodiment, on the basis of the first embodiment, the belt pulley 18 is provided with a plurality of anti-slip blocks 19 uniformly distributed on the circumference, the belt 20 is provided with anti-slip grooves 21 matched with the anti-slip blocks 19, so as to increase the friction force between the belt pulleys 18 during transmission, please refer to fig. 9, the connecting groove 24 includes a circular groove 24-1, the bottom of the circular groove 24-1 is communicated with an outward clamping groove 24-2, the lower end of the rotary lifting column 15 is placed in the clamping groove 24-2 through the circular groove 24-1, such a connection manner that the lifting rod 23 does not rotate when the rotary lifting column 15 rotates, the rotary lifting column 15 can drive the lifting rod 23 to ascend when ascending, the inner sides of the two first fixing rods 5 are both provided with the slide ways 7, the slide ways 7 are communicated with the moving displacement intervals of the lifting rod 23 in the first fixing rods 5, and the connecting rods 33 are in sliding fit with the slide ways 7, be equipped with scale mark 6 on the first fixed column 5, the accurate nature of assurance elevating height that can be better is set up to scale mark 6.
In a third embodiment, on the basis of the first embodiment, the lower end of the connecting plate 22 is provided with a plurality of rotating grooves 26, please refer to fig. 8, the rotating grooves 26 are provided with rotating holes 27, the rotating grooves 26 are rotatably connected with rotating plates 28, please refer to fig. 6, 8 and 11, the lower ends of the rotating plates 28 are provided with connecting holes 30, the inner side of the lower end of the lifting rod 23 is provided with a connecting port 25, the connecting port 25 and the connecting holes 30 are connected through a connecting rod 33, and the connecting rod 33 is in sliding fit with the slideway 7; referring to fig. 4, a first internal thread 9 is arranged inside the upper end of the first fixing rod 5, the first internal thread 9 is in threaded connection with a rotating lifting column 15, referring to fig. 6 and 7, a convex block 17 is arranged at the upper end of the rotating lifting column 15, the convex block 17 is located at the lower end of a belt pulley 18, the convex block 17 plays a role in limiting, and when the rotating lifting column 15 rotates and falls downwards, the convex block 17 contacts with the first gear 10, so that the rotating lifting column 15 cannot move downwards continuously; referring to fig. 5, a second internal thread 10-1 is arranged inside the first gear 10, the second internal thread 10-1 is in threaded fit with a rotary lifting column 15, a boss-shaped positioning block 8 is arranged at the upper end of a first fixing rod 5 provided with the first gear 10, a sliding groove 10-2 matched with the boss-shaped positioning block 8 is arranged at the lower end of the first gear 10, and the boss-shaped positioning block 8 is in matched and rotary connection with the sliding groove 10-2, and the connection mode is designed to ensure that when the first gear 10 rotates, the first gear 10 can only rotate but cannot move up and down due to the limiting effect of the boss-shaped positioning block 8, and at the moment, the rotary lifting column 15 in threaded fit with the first gear 10 can complete self rotary lifting under the fit of the first internal thread 9.
In the fourth embodiment, on the basis of the first embodiment, referring to fig. 1, a second fixing rod 3 with a hollow interior is arranged at the front end of the first fixing rod 5, referring to fig. 17, a connecting column 44 is slidably connected in the second fixing rod 3, the connecting column 44 is connected to the lifting rod 23 through a connecting column connecting rod 44-1 passing through the second fixing rod 3 and the first fixing rod 5, and the existence of the connecting rod 44-1 ensures that the connecting column 44 can synchronously lift along with the lifting rod 23, so that the height limits of the two sets of height limiting devices are the same; the inner sides of the two connecting columns 44 are rotatably connected with second rotating plates 45 through second rotating shafts, when a vehicle with limited height forcibly passes through, the vehicle firstly impacts the second rotating plates 45, the second rotating plates 45 rotate around the connecting columns 44, the two second rotating plates 45 are movably buckled together, the lower ends of the second rotating shafts are connected with telescopic rods 46, the telescopic rods 46 can synchronously complete lifting when the connecting columns 44 complete lifting, the lower ends of the telescopic rods 46 are connected with first clamping columns 47, please refer to fig. 18 and 19, a speed reducing plate 48 arranged in the roadbed 1 is arranged below the second rotating plates 45, a plurality of uniformly distributed speed reducing blocks 49 are arranged on the speed reducing plate 48, circular holes corresponding to the speed reducing blocks 49 are formed in the roadbed 1, so that the speed reducing blocks 49 can ascend to the roadbed 1, a plurality of uniformly distributed compression springs 50 are arranged at the lower ends of the speed reducing plate 48, clamping column rotating grooves 51 matched with the first clamping columns 47 are arranged at two sides of the speed reducing plate 48, make first calorie of post 47 can be at the rotation of calorie post revolving chute 51, when receiving the forced passage of limit for height vehicle, the vehicle is at first striking rotor plate 45, rotor plate 45 rotates around spliced pole 44, first calorie of post 47 can be along with telescopic link 46 synchronous rotation, break away from card post revolving chute 51 then, at this moment, the effect that the reduction gear 48 received the compression spring 50 release compression force of compressed can bounce, the piece 49 that slows down this moment can be raised to road bed 1 surface, the piece 49 that slows down the vehicle.
In the fifth embodiment, referring to fig. 17, on the basis of the fourth embodiment, a first bevel gear 52 is sleeved at the lower end of the telescopic rod 46, a second bevel gear 53 is engaged with the first bevel gear 52, the second rotating plate 45 rotates around the connecting column 44 to drive the telescopic rod 46 to rotate, at this time, the first bevel gear 52 fixed on the telescopic rod 46 rotates, the second bevel gear 53 engaged with the first bevel gear 52 rotates synchronously, a first wire wheel 55 is connected to the inside of the second bevel gear 53 through a rotating shaft, a second wire wheel 56 is arranged in front of the first wire wheel 55, wire holes 55-1 are respectively formed in the second wire wheel 56 and the first wire wheel 55, the first wire wheel 55 and the second wire wheel 56 are connected through a steel wire rope 56-1 passing through the wire holes 55-1, the wire holes 55-1 ensure that the steel wire rope 56-1 can be normally wound on the first wire wheel 55 and the second wire wheel 6, referring to fig. 21, a sunken plate 58 disposed below the roadbed 1 is disposed below the second reel 56, the sunken plate 58 has an upper end flush with the roadbed 1 and a lower end suspended, a pull ring 59 is disposed on the surface of the sunken plate 58, grooves are disposed on the left and right sides of the sunken plate 58, a second clamping column 57 is clamped inside the grooves, the first reel 55 and the second reel 56 are connected by a steel cable 56-1, the steel cable 56-1 passes through a wire hole 55-1, the steel cable 56-1 passes through the roadbed 1 and is fixedly connected with the left end of the second clamping column 57, the steel cable 56-1 is wound during the rotation of the first reel 55, so that the steel cable 56-1 pulls the second clamping column 57 to separate from the grooves disposed on the left and right sides of the sunken plate 58, the sunken plate 58 sinks, and the vehicle is decelerated when the rear wheel of the vehicle passes through the sunken pit, synchronous suggestion emergence accident to the driver suggestion driver takes the braking, sets up pull ring 59 and makes the recovery of the board 58 that sinks more convenient, second wire wheel 56 and pivot evenly set up the axle bed in road bed 1 upper end, set up the axle bed and make the stability ability of device obtain improving greatly.
Sixth embodiment, based on the fifth embodiment, a third bevel gear 54 is engaged with the other side gear of the first bevel gear 52, please refer to fig. 17, a third gear 60 is connected to the third bevel gear 54 through a rotating shaft, the rotating shaft has a bearing seat arranged at the upper end of the roadbed 1, the bearing seat is arranged to improve the stability of the device, a fourth gear 61 engaged with the third gear 60 is arranged inside the third gear 60, the fourth gear 61 has a bearing seat arranged at the upper end of the roadbed 1, the lower end of the fourth gear 61 is provided with a lifting plate 67 slidably connected with the roadbed 1, racks 66 engaged with the fourth gear 61 are fixed at the left and right ends of the lifting plate 67, when the rotating plate 45 rotates, the first bevel gear 52 is driven to rotate, the first bevel gear 52 drives the third bevel gear 54 engaged with the first bevel gear to rotate, the third bevel gear 54 rotates to drive the third gear 60 connected through the rotating shaft to rotate, the third gear 60 drives the fourth gear 61 engaged with the gear to rotate, the fourth gear 61 drives the rack 66 to rise, the rack 66 drives the rising plate 67 fixedly connected with the rack 66 to rise in the rising process, and after the rising plate 67 rises, when a vehicle passes by, a deceleration effect can be generated on the vehicle, and a driver can be warned.
Seventh embodiment, referring to fig. 22, in order to realize that the ascending plate 67 does not fall down after rising, a pawl fixing block 63 is fixed on a rotating shaft of the fourth gear 61, the pawl fixing block 63 is provided with a pawl 64, a pawl slot 62 having the same shape as the front end of the pawl 64 is arranged inside the fourth gear 61, the fourth gear 61 cannot be rotated reversely due to the presence of the pawl 64, and the ascending plate 67 does not fall down after rising, a key slot 65 for limiting the rotation of the pawl fixing block is arranged on the upper portion of the rotating shaft of the fourth gear 61, the key slot 65 does not affect the rotation of the fourth gear 61, a groove corresponding to the shape of the key slot 65 is arranged inside the pawl fixing block 63, the pawl fixing block 63 can slide along the key slot 65, a pull ring is arranged on the surface of the pawl fixing block 63, the key slot 65 can prevent the pawl fixing block 63 from rotating on the rotating shaft, when the lifting plate 67 needs to be reset, the pawl fixing block 63 only needs to slide along the key groove 65, so that the fourth gear 61 can realize reverse rotation, and the lifting plate 67 can be reset easily.
Eighth embodiment, on the basis of fifth embodiment, be provided with the third dead lever 4 of fixing in the road bed 1 left and right sides between first dead lever 5 and the second dead lever 3, the inside of third dead lever 4 is cylindrical cavity, first dead lever 5 and third dead lever 4 all are provided with the spout that can supply spliced pole connecting rod 44-1 to slide, set up the spout and make connecting rod 44-1 can the slip of freedom, and the existence of connecting rod 44-1 has ensured spliced pole 44 can go up and down along with lifter 23 synchronous, second dead lever 3 front end is provided with fixes the fourth dead lever 2 in the road bed 1 left and right sides, sets up third dead lever 4 and fourth dead lever 2 and has all played the effect of protection device to a certain extent.
Ninth embodiment, on the basis of the eighth embodiment, a solar panel 68 is fixed at the upper end of the third fixing rod 4, a street lamp 69 arranged on the third fixing rod 4 is arranged at the lower end of the solar panel 68, and the solar panel 68 can be used as an external power supply of the driving motor 14, because the reason that many vehicles impact the height limiting rod is that light is insufficient at night, the height of the height limiting rod is erroneously underestimated by a driver, therefore, the street lamp 69 is set to be used as a device for lighting, and the solar panel 68 can be used as the external power supply of the driving motor 14 and also used as a power supply of the street lamp 69, so that the energy saving and environmental protection are.
When the invention is used, firstly, the first gear shaft 12 is driven to rotate by controlling the driving motor 14, the first gear shaft 12 can drive the second gear 11 to rotate, then the first gear 10 which is meshed with the second gear 11 is driven to rotate, and finally the rotary lifting column 15 which is in threaded fit with the first gear 10 is driven to complete rotary lifting, when the rotary lifting column 15 which is in threaded fit with the first gear 10 rotates to lift, the belt 20 is in transmission connection to drive the other rotary lifting column 15 to complete synchronous rotary lifting, the lifting rod 23 is connected with the rotary lifting column 15 through the connecting groove 24 at the upper end of the lifting rod, the lifting rod 23 is in sliding connection with the first fixed rod 5, the connecting mode ensures that the lifting rod 23 does not rotate when the rotary lifting column 15 rotates, and the lifting rod 23 can be driven to lift when the rotary lifting column 15 rises, and the two lifting rods 23 are connected through the connecting plate 22, the connecting plate 22 can complete simultaneous lifting along with the lifting rod 23, so that the purpose of adjusting the height is realized, when emergency vehicles such as fire-fighting vehicles, ambulances and the like need to pass through, the height can be adjusted to release, and in addition, when the height of the height limiting rod needs to be adjusted to adapt to the traffic flow in different periods or the height is adjusted to limit the passing height, the height of the lifting rod can be adjusted; the connecting column 44 can be driven by the connecting rod 44-1 to synchronously lift along with the lifting rod 23, so that the height limit of the two groups of height limit devices is ensured to be the same; the inner sides of the two connecting columns 44 are rotatably connected with second rotating plates 45 through second rotating shafts, when a vehicle with limited height forcibly passes through, the vehicle firstly strikes the second rotating plates 45, the second rotating plates 45 rotate towards two sides around the connecting columns 44, then the telescopic rods 46 fixedly connected with the rotating plates 45 drive the first clamping columns 47 to synchronously rotate, the first clamping columns 47 are separated from the clamping column rotating grooves 51 in the rotating process, at the moment, the speed reducing plates 48 are bounced under the action of the compressed compression force released by the compressed compression springs 50, the speed reducing blocks 49 are lifted to the surface of the roadbed 1, the speed reducing blocks 49 reduce the speed of the vehicle, when the vehicle needs to be recovered, the speed reducing blocks 49 are only pressed to the roadbed 1, then the rotating plates 45 are recovered, so that the first clamping columns 47 are clamped in the clamping column rotating grooves 51 again, the telescopic rods 46 drive the first bevel gears 52 sleeved at the lower ends to rotate synchronously, and the first bevel gears 52 drive the second bevel gears 53 engaged with each other to rotate, the second bevel gear 53 drives the first wire wheel 55 connected through a rotating shaft to rotate, when the first wire wheel 55 rotates, a steel wire rope 56-1 is wound, the steel wire rope 56-1 pulls the second clamping column 57 to be separated from grooves formed in the left side and the right side of the sinking plate 58, the sinking plate 58 sinks, when a rear wheel of a vehicle passes through a sunk pit, the vehicle is decelerated, a driver is prompted to take a brake when an accident happens, and when the vehicle needs to be recovered, the sinking plate 58 is more convenient to recover by arranging a pull ring 59; in synchronization with the above steps, the telescopic rod 46 drives the first bevel gear 52 sleeved at the lower end to rotate, the first bevel gear 52 drives the engaged third bevel gear 54 to rotate, the third gear 60 connected with the rotating shaft in the third bevel gear 54 rotates synchronously, the third gear 60 drives the fourth gear 61 engaged with the gear to rotate, the fourth gear 61 drives the rack 66 to lift, the rack 66 drives the lifting plate 67 fixedly connected with the rack 66 to lift in the lifting process, after the lifting plate 67 lifts, when a vehicle passes through, a deceleration effect is generated on the vehicle, and a driver is warned, the rotating shaft of the fourth gear 61 is fixed with the pawl fixing block 63, the pawl fixing block 63 is provided with the pawl 64, the fourth gear 61 is internally provided with the pawl slot 62 having the same shape as the front end of the pawl 64, and the fourth gear 61 cannot rotate reversely due to the presence of the pawl 64, the lifting plate 67 cannot fall down after being lifted, when the lifting plate needs to be restored, the pawl fixing block 63 only needs to slide along the key groove 65, the fourth gear 61 can be reversely rotated, and the lifting plate 67 can be easily restored; when the vehicle continues to move to impact the compression-resistant device 34, the vehicle firstly impacts the first impact block 35, the first impact block 35 compresses the first spring 37, then slides in the second impact block 36, the impact rod 39 slides in the impact rod through hole 31, then pulls the extension spring 41, the spring with smaller spring coefficient connected with the first spring connecting plate 40 in the three springs with different spring coefficients is firstly stressed to deform, and finally the spring with larger spring coefficient fixed to the connecting rod 33 is finally deformed, so that the extension spring 41 pulls the connecting rod 33 to a certain extent, a driver has certain braking response time, when the extension spring 41 continues to be pressed, the connecting rod 33 is driven to move towards the impact rod 39, the connecting rods 33 on the two sides synchronously move in the middle, and then are separated from the connecting port 25, and at the moment, the rotating plate 28 can freely rotate around the rotating groove 26, the violation vehicle is temporarily put through, the staff does post-processing, the vehicle is guaranteed, the height limiting rod is not damaged destructively, the driver is also guaranteed not to be hurt or even life danger in the process, when the device needs to be recovered, only the first impact block 35 needs to be pressed, the connecting rod 33 moves towards the impact rod 39, the two ends of the impact rod 39 are aligned to the connecting port 25 at the moment and then stop being pressed, the impact rod 39 returns to the inside of the connecting port 25 again, and the device recovers the original state.
It should be noted that what is not described in detail in this specification is what those skilled in the art can realize through the description in this specification and the prior art, and therefore, details are not described here, and it can be clearly seen in fig. 1 that the lower apparatus is arranged symmetrically and identically, and only one side of this specification is described in detail, and the other side is described in detail only for simplicity.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. For a person skilled in the art, without inventive step, several modifications and alterations of the present invention are possible, all of which are intended to be covered by the scope of the present invention.
The vehicle speed reduction device is ingenious in structure, strong in practicability, simple to operate, adjustable in height and capable of greatly enhancing the safety guarantee of personnel, and the matched device for reducing the speed of the vehicle not only reminds a driver, but also reduces impact kinetic energy.
Claims (9)
1. Road and bridge traffic limit for height device, including road bed (1), the road bed (1) left and right sides all is provided with one first dead lever (5), its characterized in that, equal threaded connection has rotation lift post (15) in two first dead levers (5), one of them rotates lift post (15) outside cover and is equipped with first gear (10) of arranging in corresponding first dead lever (5) upper end, first gear (10) and rotation lift post (15) screw-thread fit for first gear (10) can drive rotation lift post (15) and rotate and go up and down, first gear (10) meshing has second gear (11) of arranging in rotation lift post (15) side, wear to be equipped with first gear shaft (12) in second gear (11), first gear shaft (12) lower extreme is connected with driving motor (14), driving motor (14) can drive first gear shaft (12) and rotate, the driving motor (14) is connected with a power supply device;
the upper ends of the two rotary lifting columns (15) are respectively provided with a belt pulley (18) arranged outside the first fixing rod (5), and the two belt pulleys (18) are in transmission connection through a belt (20);
the lower ends of the two rotary lifting columns (15) are connected with lifting rods (23), the lifting rods (23) are connected with the rotary lifting columns (15) through connecting grooves (24) in the upper ends of the lifting rods (23), the lifting rods (23) are in sliding connection with the first fixing rod (5), so that the lifting rods (23) do not rotate along with the rotary lifting columns (15) when the rotary lifting columns (15) rotate, the lifting rods (23) can be driven to ascend when the rotary lifting columns (15) ascend, the two lifting rods (23) are connected through connecting plates (22), and the connecting plates (22) can complete simultaneous lifting along with the lifting rods (23);
the lower end of the connecting plate (22) is rotatably connected with a plurality of rotating plates (28) which are uniformly distributed and arranged, the lower ends of the plurality of rotating plates (28) transversely penetrate through a connecting rod (33), and two ends of the connecting rod (33) are movably arranged on the lifting rod (23);
the lower end of the rotating plate (28) is fixed with a compression-resistant device (34), the compression-resistant device (34) comprises a second impact block (36) which is vertically and fixedly connected with the rotating plate (28), a first impact block (35) is connected in the second impact block (36) in a sliding manner, the first impact block (35) is connected with a first spring (37) which is arranged in the second impact block (36), the first spring (37) is connected to the bottom of the second impact block (36) through a pressure sensitive buzzer (38), the compression-resistant devices (34) are connected into a whole through a compression-resistant connecting rod (43), impact rods (39) which are fixedly connected with the first impact block (35) are arranged on the compression-resistant devices (34) at two ends of the compression-resistant devices (34), the impact rods (39) penetrate through the rotating plate (28), the ends of the impact rods are fixed with first spring connecting plates (40), and the first spring connecting plates (40) are fixed with two extension springs (41), two extension spring (41) are the triangle-shaped form, extension spring (41) are established ties by the progressively ascending spring of a plurality of spring coefficient and are formed, and first spring connecting plate (40) are connected to the less end of spring coefficient, and the great end of spring coefficient is fixed to connecting rod (33), connecting rod (33) middle be rupture state, constitute two and control the connecting rod.
2. The road and bridge traffic height limiting device according to claim 1, wherein a plurality of anti-slip blocks (19) are uniformly distributed on the belt pulley (18) in a circumferential manner, anti-slip grooves (21) matched with the anti-slip blocks (19) are formed in the belt (20), friction force during transmission between the belt pulleys (18) can be increased, the connecting groove (24) comprises a circular groove (24-1), an outward clamping groove (24-2) is communicated with the bottom of the circular groove (24-1), the lower end of the rotary lifting column (15) is placed in the clamping groove (24-2) through the circular groove (24-1), the inner sides of the two first fixing rods (5) are both provided with a slide way (7), the slide way (7) is communicated with a moving displacement interval of the lifting rod (23) in the first fixing rods (5), and the connecting rod (33) is in sliding fit with the slide way (7), and the first fixing column (5) is provided with scale marks (6).
3. The road and bridge traffic height limiting device according to claim 1, wherein a plurality of rotating grooves (26) are formed in the lower end of the connecting plate (22), rotating holes (27) are formed in the rotating grooves (26), a rotating plate (28) is rotatably connected to the rotating grooves (26), connecting holes (30) are formed in the lower end of the rotating plate (28), a connecting port (25) is formed in the inner side of the lower end of the lifting rod (23), the connecting port (25) and the connecting holes (30) are connected through a connecting rod (33), and the connecting rod (33) is in sliding fit with the slide way (7); a first internal thread (9) is arranged inside the upper end of the first fixing rod (5), the first internal thread (9) is in threaded connection with a rotary lifting column (15), a convex block (17) is arranged at the upper end of the rotary lifting column (15), and the convex block (17) is positioned at the lower end of a belt pulley (18); the lifting device is characterized in that a second internal thread (10-1) is arranged inside the first gear (10), the second internal thread (10-1) is in threaded fit with the rotary lifting column (15), a boss-shaped positioning block (8) is arranged at the upper end of a first fixing rod (5) provided with the first gear (10), a sliding groove (10-2) matched with the boss-shaped positioning block (8) is formed in the lower end of the first gear (10), and the boss-shaped positioning block (8) is matched with the sliding groove (10-2) to be rotatably connected.
4. The road and bridge traffic height limiting device according to claim 1, wherein a second fixing rod (3) with a hollow interior is arranged at the front end of the first fixing rod (5), a connecting column (44) is slidably connected in the second fixing rod (3), the connecting column (44) is connected to the lifting rod (23) through a connecting column connecting rod (44-1) passing through the second fixing rod (3) and the first fixing rod (5), the inner sides of the two connecting columns (44) are rotatably connected with second rotating plates (45) through second rotating shafts, the two second rotating plates (45) are movably buckled together, the lower end of each second rotating shaft is connected with a telescopic rod (46), the lower end of each telescopic rod (46) is connected with a first clamping column (47), a speed reducing plate (48) arranged in the roadbed (1) is arranged below the second rotating plates (45), a plurality of uniformly distributed speed reducing blocks (49) are arranged on the speed reducing plate (48), seted up on road bed (1) with the corresponding round hole of deceleration piece (49) for deceleration piece (49) can rise on road bed (1), speed reduction board (48) lower extreme is provided with compression spring (50) of a plurality of equipartitions, speed reduction board (48) both sides are provided with card post rotary slot (51) that match with first card post (47), make first card post (47) can be at card post rotary slot (51) internal rotation.
5. The road and bridge traffic height limiting device according to claim 4, wherein a first bevel gear (52) is sleeved at the lower end of the telescopic rod (46), a second bevel gear (53) is meshed with the first bevel gear (52), a first reel (55) is connected in the second bevel gear (53) through a rotating shaft, a second reel (56) is arranged in front of the first reel (55), wire holes (55-1) are formed in the second reel (56) and the first reel (55), the first reel (55) and the second reel (56) are connected through a steel wire rope (56-1) passing through the wire holes (55-1), the wire holes (55-1) ensure that the steel wire rope (56-1) can be normally wound on the first reel (55) and the second reel (6), and a sinking plate (58) arranged below the roadbed (1) is arranged below the second reel (56), sunken board (58) upper end and road bed (1) parallel and level and lower extreme are unsettled, sunken board (58) surface is provided with pull ring (59), sunken board (58) left and right sides is provided with the recess, and the recess is inside to be clamped second card post (57), first line wheel (55) and second line wheel (56) are connected through wire rope (56-1), wire rope (56-1) pass line hole (55-1), wire rope (56-1) pierce through road bed (1) and second card post (57) left end fixed connection, second line wheel (56) and pivot evenly are provided with the axle bed of road bed (1) upper end.
6. The road and bridge traffic height limiting device according to claim 5, wherein a third bevel gear (54) is meshed with a gear on the other side of the first bevel gear (52), a third gear (60) is connected in the third bevel gear (54) through a rotating shaft, the rotating shaft is provided with a bearing seat arranged at the upper end of the roadbed (1), a fourth gear (61) meshed with the third gear (60) is arranged on the inner side of the third gear (60), the fourth gear (61) is provided with a bearing seat arranged at the upper end of the roadbed (1), an ascending plate (67) connected with the roadbed (1) in a sliding manner is arranged at the lower end of the fourth gear (61), and racks (66) meshed with the fourth gear (61) are fixed at the left end and the right end of the ascending plate (67).
7. The road and bridge traffic height limiting device according to claim 6, wherein a pawl fixing block (63) is fixed on a rotating shaft of the fourth gear (61), the pawl fixing block (63) is provided with a pawl (64), a pawl clamping groove (62) which has the same shape as the front end of the pawl (64) is arranged in the fourth gear (61), the pawl (64) can prevent the fourth gear (61) from reversely rotating, a key groove (65) for limiting the rotation of the pawl fixing block is arranged on the upper part of the rotating shaft of the fourth gear (61), a groove corresponding to the shape of the key groove (65) is arranged on the inner side of the pawl fixing block (63), the pawl fixing block (63) can slide along the key groove (65), the surface of the pawl fixing block (63) is provided with a pull ring, the key groove (65) can prevent the pawl fixing block (63) from rotating on the rotating shaft.
8. The road and bridge traffic height limiting device according to claim 5, wherein a third fixing rod (4) fixed on the left and right sides of the roadbed (1) is arranged between the first fixing rod (5) and the second fixing rod (3), the third fixing rod (4) is hollow in a cylindrical shape, the first fixing rod (5) and the third fixing rod (4) are both provided with chutes for the connecting rod (44-1) to slide, the front end of the second fixing rod (3) is provided with a fourth fixing rod (2) fixed on the left and right sides of the roadbed (1), and the second wire wheel (56) is located at the lower end of the fourth fixing rod (2).
9. The road and bridge traffic height limiting device according to claim 8, wherein a solar panel (68) is fixed at the upper end of the third fixing rod (4), a street lamp (69) arranged on the third fixing rod (4) is arranged at the lower end of the solar panel (68), the street lamp (69) is powered by the solar panel (68), and the solar panel (68) can be used as a power supply device of the driving motor (14).
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| CN201810314732.6A CN108660968B (en) | 2018-04-10 | 2018-04-10 | Road and bridge traffic height limiting device |
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| CN201810314732.6A CN108660968B (en) | 2018-04-10 | 2018-04-10 | Road and bridge traffic height limiting device |
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| CN108660968B true CN108660968B (en) | 2020-04-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109208503B (en) * | 2018-11-09 | 2020-09-15 | 谷冬亚 | Road and bridge security protection device |
| CN109610844B (en) * | 2019-01-25 | 2023-09-01 | 织金恒沣商砼有限公司 | Floor concrete leveling machine |
| CN111411910B (en) * | 2020-04-10 | 2021-11-30 | 焦江华 | Efficient road construction drilling car |
| CN112593500B (en) * | 2020-12-10 | 2022-05-24 | 江西瑞斯科救援科技有限公司 | Emergency rescue equipment convenient to use for highway |
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