CN208266736U - A kind of high speed limit for height system - Google Patents

Abstract

The utility model discloses a kind of high speed limit for height systems, it applies in road equipment field, its key points of the technical solution are that: the crossbeam including being symmetricly set on the vertical beam of both sides of the road and for connecting two vertical beam upper ends, the upper end of two vertical beams is connected by crossbeam, two vertical beams are equipped with intercept net by hook rack, two vertical beams are rotatably connected to the first line wheel away from intercept net side, wirerope is wound in first line wheel, one end of two wireropes is connect with the both ends of intercept net respectively, side of the vertical beam towards vehicle forward direction is arranged in intercept net, its advantage is that: when the intercepted net of Overheight Vehicles intercepts, reduce the influence to driving vehicle below.

Description

A kind of high speed limit for height system

Technical field

The utility model relates to road equipment field, in particular to a kind of high speed limit for height system.

Background technique

Height-limiting frame be for facilities such as viaducts in vehicle driving safety, highway safety and highway, but it is large-scale Lorry or large-scale bus cause much to play traffic accident, serious car crash because weather reason or travel speed are too fast.

The Chinese patent that notification number is CN204589855U discloses a kind of highway height-limiting frame of anti-car crass, including control Device processed, limit for height pedestal, limit for height bracket, baffle, detection support and detection wireless communication apparatus, the limit for height pedestal and the inspection It surveys bracket and is installed in ground, the limit for height bracket is mounted on the limit for height pedestal, and the baffle is mounted on the limit for height branch On frame, the limit for height bracket is provided with multiple electronic eye devices, alarm and a rotary electric machine, described limit for height bracket or so two Side is respectively arranged with baffle and interts slot, baffle fixing groove and bolt card slot, and the baffle plate setting has fixed perforation and drawstring perforation, The baffle links the rotary electric machine by wirerope.

But baffle crashes Shi Huixiang by the vehicle of superelevation to be scattered everywhere, the baffle fragment being scattered can be to the vehicle travelled below Bring security risk.

Utility model content

The purpose of the utility model is to provide a kind of high speed limit for height systems, its advantage is that: it is blocked when Overheight Vehicles are intercepted net When cutting, the influence to driving vehicle below is reduced.

The above-mentioned technical purpose of the utility model has the technical scheme that a kind of high speed limit for height system System, the crossbeam including being symmetricly set on the vertical beam of both sides of the road and for connecting two vertical beam upper ends, two vertical beams pass through Hook rack is equipped with intercept net, and two vertical beams are rotatably connected to the first line wheel, first line wheel away from intercept net side On be wound with wirerope, one end of two wireropes is connect with the both ends of intercept net respectively, and the intercept net is arranged in vertical beam court To the side of vehicle forward direction.

Through the above technical solutions, vehicle is passing through two when the height of vehicle is more than the standard setting height of intercept net When a vertical beam, intercept net slides and hangs onboard from hook, to play the role of reminding driver vehicle's superelevation, works as driving When member starts braking, car can still be moved forward, so that First Line wheel be driven to rotate, wirerope is continuous with the movement of car It is released, after wirerope is all released, since one end of wirerope is connect with the first line wheel, and then limits vehicle and continue to move Dynamic, intercept net and vehicle are soft contact, and intercept net is not broken up, while giving driver's sufficient reaction time, is subtracted It is small to a possibility that driving vehicle brings security risk below.

The utility model is further arranged to: the vertical beam side wall offers the sliding groove along the distribution of its short transverse, institute The first slide plate and the second slide plate for slidably connecting in sliding groove and being distributed up and down are stated, first line wheel and the rotation of the first slide plate connect It connects, the second line wheel is rotatably connected on second slide plate, the first compression bullet is connected between first slide plate and the second slide plate Spring, the wirerope are wrapped in the first line wheel and the second line wheel, and one end of two wireropes connects with the both ends of intercept net respectively It connects, the other end links together after bypassing respective first line wheel respectively, when the wirerope is wrapped in the first line wheel and the second line When on wheel, first compressed spring is in confined state.

Through the above technical solutions, wirerope is made by intercept net pulling force when intercept net is advanced together with vehicle One line wheel and the second line wheel are mutually drawn close, and the first compressed spring is compressed and is provided with elastic-restoring force at this time, the first line wheel and Drag effect of the relative movement of second line wheel by the first compressed spring, to pass through mobile progress of the intercept net to vehicle A buffer function is limited and provided, the time of vehicle chocking is shortened, reduces intercept net as vehicle movement is so that wirerope The case where directly tightening, leading to parts damages under pulling force effect suddenly；Simultaneously because the elastic force of the first compressed spring Effect, so that the wirerope being wrapped in the first line wheel and the second line wheel keeps the state of tensioning, thus by wirerope to intercept net It is applied with pulling force effect, so that intercept net keeps the contact of mutual power with hook, reduces the case where intercept net slides hook.

The utility model is further arranged to: the sliding groove slot bottom between the first line wheel and the second line wheel be equipped with every Plate, the partition are arranged at the first line wheel, and first compressed spring includes be connected to the first line wheel and partition room One pressure spring and the second pressure spring for being connected to the second line wheel and partition room, both sides of the road are equipped with releasing box, between the releasing box is interior Every being provided with several obstruction ropes, each described one end for stopping rope is connected by block, and the releasing box cassette bottom is equipped with for each A baffle for stopping rope and both passing through, each obstruction rope is arranged with the second compressed spring between baffle and block, described to put Wire box is rotatably connected to several idler wheels corresponding with each obstruction rope in one end far from block, and each obstruction rope is separate One end of block is connected after bypassing idler wheel by drag hook, and second slide plate is equipped with the grab being interlocked with drag hook, described to put Wire box is equipped with the closing cap for closing box mouth, and the through-hole being pierced by for stopping rope is offered on the closing cap.

Through the above technical solutions, wirerope is made by intercept net pulling force when intercept net is advanced together with vehicle One line wheel and the second line wheel are mutually drawn close, and the first line wheel is contradicted with partition first at this time, are limited it and are continued to move to, the second line wheel It is pulled when to mobile close to partition and stops rope, to drive block mobile, the second compressed spring is compressed and is provided with elasticity Restoring force is acted on by the elastic-restoring force of the second compressed spring, further increases resistance of second line wheel to partition when mobile Power further shortens the time of vehicle chocking to improve the drag effect that intercept net applies vehicle.

The utility model is further arranged to: ground is set away from the side of vertical beam there are two about road in the releasing box Symmetrical support rod, the support rod are equipped with laser range finder, and the support rod is equipped with megaphone, sets on the crossbeam There is warning lamp.

Through the above technical solutions, when have vehicle close to when, laser range finder detects the height of vehicle, if vehicle Height be more than that then warning lamp flashes setting value, megaphone starts to broadcast, provide warning function to driver and brake in time, A possibility that accident occurs is reduced, the influence to driving vehicle below is also reduced.

The utility model is further arranged to: the vertical beam side walls are connected with support plate, and the hook setting is being propped up On fagging, the support plate is equipped with the fixing piece for fixed support plate position, and the crossbeam is equipped with for controlling fixation The vehicle inductor of part, the laser range finder are provided with multiple along support rod short transverse.

Through the above technical solutions, after system detects vehicle super-high by laser range finder, if the laser of highest point Rangefinder response, then intercept net position is constant, if remaining laser range finder responds, vehicle inductor can be according to Overheight Vehicles Type releases limitation of the fixing piece to support plate and subtracts so that intercept net drops to Overheight Vehicles sound construction Partial Height A possibility that effect of small vehicle and the power of intercept net suddenly causes vehicle roof to be thrown, improve the peace of interception car Overall coefficient.

The utility model is further arranged to: the fixing piece includes being provided with the movement of vertical beam towards intercept net side Slot is slidably connected on vertical beam side wall and pierces into the motion bar and control motion bar Mobile electromagnetic relay in shifting chute, described Motion bar is equipped with several along vertical beam short transverse.

Through the above technical solutions, multiple motion bars have corresponded to the different height of intercept net, pulling force of the intercept net in wirerope It keeps contradicting with motion bar under acting on, when intercept net needs to decline, electromagnetic relay control motion bar removal shifting chute, first Line wheel and the second line wheel back movement under the resilient force of the first pressure spring and the second pressure spring drive intercept net fast by wirerope Speed decline, until contradicting with next motion bar, to limit its movement, intercept net decrease speed is fast, simple and practical in structure.

The utility model is further arranged to: the mobile groove groove wall is turned by rotation axis in the top of each motion bar It is dynamic to be connected with the bull stick extended obliquely downward, be arranged with torsional spring in the rotation axis, when the torsional spring in the raw when, institute The cell wall for stating bull stick and shifting chute face rotation axis contradicts, and the motion bar and bull stick contradict, and the support plate and bull stick contradict.

Through the above technical solutions, support plate during decline, overcomes the elastic force of torsional spring first, so that bull stick is downward Rotation, when support plate and the conflict of next bull stick, a upper bull stick restores under the resilient force of torsional spring to original state, limitation Moving up for support plate, improves system reliability of operation and stability.

The utility model is further arranged to: the side that the support plate is contradicted with hook is offered to be protruded into for hook portion Arc groove, the support plate is equipped with DC stepper motor, and the motor shaft of the DC stepper motor and hook put in arc One end of slot connects, and the support plate is equipped with the solar panel connecting with DC stepper motor.

Through the above technical solutions, two hooks are in toed-out shape, and opening is away from vertical when intercept net does not need work Beam further reduced a possibility that intercept net slides hook, when intercept net needs work, DC stepper motor starting and band Dynamic two hooks relatively rotate, and two hooks are in toed-in, and open towards vertical beam, intercept net can be hung as vehicle slides at this time Hook.

The utility model is further arranged to: the laser range finder of each height is away from the horizontal direction equipped with multiple, institute Vertical beam is stated equipped with distance-sensor.

Through the above technical solutions, after one of laser range finder damage of a certain height, remaining laser range finder It is able to maintain normal work, and multiple laser range finders improve the accuracy of detection range and measurement；The distance perception of setting simultaneously Answer device, only when Overheight Vehicles are travelled to vertical beam certain distance, vehicle inductor can just control intercept net decline, if superelevation vehicle In time braking, then intercept net is just not necessarily to work, improve system interception flexibility.

The utility model is further arranged to: the opposite side of two vertical beams is symmetrically arranged with the first reverse wheel, and two A vertical beam is symmetrically arranged with the second reverse wheel, the axis of first reverse wheel and the second reverse wheel towards the side of intercept net Heart line is in 45 degree of angles with horizontal direction, one end of the wirerope bypass respectively after the first reverse wheel and the second reverse wheel with interception The side plate diameter of net connection, first reverse wheel and the second reverse wheel towards ground side is all larger than another side plate.

Through the above technical solutions, one end that wirerope is connect with intercept net, by the first reverse wheel and the second reverse wheel After commutation, it is in vertical direction upwards and is connect with intercept net, reduce wirerope and vertical beam friction, wirerope is caused to wear and service life contracting Short situation；45 degree of first reverse wheels and the second reverse wheel being obliquely installed, reduce wirerope commutation when with the first reverse wheel And the second torsion between reverse wheel, to reduce mutual abrasion；First reverse wheel and the second reverse wheel court simultaneously The side plate diameter of side is all larger than another side plate to the ground, then reduces wirerope and slide the first reverse wheel and in high-speed mobile A possibility that two reverse wheels.

In conclusion the utility model has the following beneficial effects:

1. intercept net will not generate a large amount of fragment when contacting with Overheight Vehicles, the shadow to driving vehicle below is reduced It rings, and intercept net increases effective contact area with Overheight Vehicles, improves the reliability that intercept net stops Overheight Vehicles；

2. the first pressure spring being arranged, the second pressure spring and the second compressed spring increase vehicle drive intercept net advance jointly Resistance, provide a buffer function to vehicle, shorten the vehicle braking time；

3. the warning lamp and megaphone that are arranged provide warning function to driver, so that driver has sufficient reaction Time further reduced to a possibility that driving vehicle impacts below；Vehicle inductor can be according to different vehicle tune The height of section intercept net improves the safety coefficient of driver to guarantee that intercept net is contacted with the firm part of vehicle.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the present embodiment；

Fig. 2 is enlarged drawing at A in Fig. 1；

Fig. 3 is the structural schematic diagram that the present embodiment is used to embody intercept net and hook；

Fig. 4 is that the present embodiment is used to embody the schematic diagram for stopping rope connection structure；

Fig. 5 is the structural schematic diagram that the present embodiment is used to embody support plate and shifting chute；

Fig. 6 is the structural schematic diagram that the present embodiment is used to embody rotation axis and torsional spring.

Appended drawing reference: 1, vertical beam；11, crossbeam；12, it links up with；13, intercept net；14, the first line wheel；141, wirerope；2, it slides Slot；21, the first slide plate；22, the second slide plate；221, the second line wheel；23, the first compressed spring；231, the first pressure spring；232, second Pressure spring；24, partition；25, releasing box；251, block；26, baffle；27, the second compressed spring；28, idler wheel；29, drag hook；3, block Hook；31, closing cap；311, through-hole；32, support rod；33, laser range finder；34, megaphone；35, warning lamp；4, support plate； 41, vehicle inductor；42, shifting chute；43, motion bar；44, electromagnetic relay；5, rotation axis；51, bull stick；52, torsional spring；53, Arc groove；54, DC stepper motor；55, solar panel；56, distance-sensor；6, the first reverse wheel；61, the second commutation Wheel；62, side plate；7, rope is stopped.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

Wherein identical components are presented with like reference characters.It should be noted that word used in the following description Language "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and "outside" refers respectively to the direction towards or away from geometric center of specific component.

Embodiment: a kind of high speed limit for height system, as shown in Figure 1, including the vertical beam 1 for being symmetricly set on both sides of the road, two The upper end of vertical beam 1 is connected by crossbeam 11, and two vertical beams 1 pass through hook 12(such as Fig. 3) be provided with intercept net 13, intercept net 13 by Wirerope weaves, and to improve its intensity, side of the vertical beam 1 towards vehicle forward direction is arranged in intercept net 13, and two vertical Beam 1 is rotatably connected to the first line wheel 14 away from 13 side of intercept net, and wirerope 141, two wireropes are wound in the first line wheel 14 141 one end is connect with the both ends of intercept net 13 respectively.

As shown in Figure 1, vehicle is in contact and makes with intercept net 13 when Overheight Vehicles between two vertical beams 1 from when passing through Intercept net 13 slides from hook 12(such as Fig. 3) on vehicle, alerting drivers start to brake, before the continuation of vehicle Into intercept net 13 drives wirerope 141 constantly to discharge from the first line wheel 14, after 141 length of wirerope reaches the limit of, due to wirerope 141 end is fixedly connected with the first line wheel 14, to prevent the movement of vehicle.Compared with existing height-limiting frame, intercept net 13 A large amount of fragments will not be generated when colliding with vehicle to trickle down on road surface, and driver has sufficient reaction time braking to stop Vehicle reduces the influence to driving vehicle below.

As shown in Fig. 2, when intercept net 13 is with vehicle movement and 141 length of wirerope is driven to reach the limit of, in order to reduce Vehicle passes through the impact force that wirerope 141 applies the first line wheel 14 this moment, and 1 side wall of vertical beam is offered along the distribution of its short transverse Sliding groove 2 slidably connects the first slide plate 21 and the second slide plate 22 being distributed up and down, the first slide plate 21 and second in sliding groove 2 The first compressed spring 23 is connected between slide plate 22, the first line wheel 14 and the first slide plate 21 are rotatablely connected, rotate on the second slide plate 22 It is connected with the second line wheel 221, wirerope 141 is wrapped in the first line wheel 14 and the second line wheel 221 at this time, and two wireropes 141 One end is connect with the both ends of intercept net 13 respectively, and the other end links together after bypassing respective first line wheel 14 respectively, simultaneously The both ends extending direction that two wireropes 141 are connect with intercept net 13 is upwards and to be in close to the side of 11 center line of crossbeam, In addition, first compressed spring 23 is in confined state when wirerope 141 is wrapped in the first line wheel 14 and the second line wheel 221, To be provided with elastic-restoring force, so that the first slide plate 21 and the second slide plate 22 keep the trend of back movement, so that the One line wheel 14 and the second line wheel 221 drive wirerope 141 to tighten, and apply an effect to intercept net 13, increase intercept net 13 With the frictional force between hook 12, the case where intercept net 13 slides hook 12 is reduced.

As shown in Figure 1, wirerope 141 makes first under the dragging of intercept net 13 when intercept net 13 is advanced with vehicle 221 relative motion of line wheel 14 and the second line wheel, and due to the resilient force of the first compressed spring 23, so that 14 He of the first line wheel Second line wheel, 221 relative motion is obstructed, and applies pulling force effect to intercept net 13 by wirerope 141, thus in the resistance to vehicle While one buffer function of offer is provided, the braking time of vehicle is also shortened, 141 length of wirerope is reduced and reaches the limit of length The case where.Operator is wrapped in the circle number in the first line wheel 14 and the second line wheel 221 according to wirerope 141 to adjust vehicle simultaneously Limit moving distance, flexibility are high.

As shown in figure 4, it is further, in order to continue that Overheight Vehicles is assisted to shorten braking time, reduces Overheight Vehicles and making Influence during dynamic to driving vehicle below, both sides of the road are symmetrically arranged in the side of vertical beam 1 towards vehicle forward direction and put Wire box 25, releasing box 25 extend along link length direction, are arranged at intervals with several obstruction ropes 7 being parallel to each other in releasing box 25, And each obstruction 7 one end far from vertical beam 1 of rope are connected by block 251,25 cassette bottom of releasing box is equipped with wears for each obstruction rope 7 The baffle 26 crossed, each obstruction rope 7 are arranged with the second compressed spring 27 between baffle 26 and block 251, when the second compression bullet Spring 27 in the raw when, the both ends of the second compressed spring 27 are contradicted with baffle 26 and block 251 respectively, and releasing box 25 is remote One end from block 251 is equipped with central axis, be rotatably connected on central axis it is several with each obstruction 7 corresponding idler wheels 28 of rope, Holder is equipped with the closing cap 31 for closing box mouth, offers on closing cap 31 and stops 7 one-to-one through-holes of rope 311, each obstruction 7 one end far from block 251 of rope are pierced by through-hole 311 after around idler wheel 28 and the one end being pierced by passes through drag hook 29 connections, corresponding second slide plate 22 are equipped with the grab 3 being interlocked with drag hook 29；2 slot bottom of sliding groove is in the first line wheel simultaneously 14 and second are equipped with partition 24 between line wheel 221, and partition 24 is located at 21 position of the first slide plate, at this time the first compressed spring 23 are divided into the first pressure spring 231 being connected between the first line wheel 14 and partition 24 and are connected between the second line wheel 221 and partition 24 Second pressure spring 232, and the elastic force of the first pressure spring 231 is less than the second pressure spring 232.

As shown in Fig. 2, the first line wheel 14 and the second line wheel 221 start opposite transport when intercept net 13 is advanced with vehicle It is dynamic, so that deformation occurs simultaneously for the first pressure spring 231 and the second pressure spring 232, since the elastic force of the first pressure spring 231 is less than the second pressure Spring 232 and partition 24 is arranged close to the first line wheel 14 limits the first line wheel so that the first slide plate 21 is contradicted with partition 24 first 14 movement, as shown in figure 4, and the second slide plate 22 drive when moving obstruction rope 7 constantly remove releasing boxes 25, in this process In, block 251 squeezes the second compressed spring 27 and makes it have elastic-restoring force, along with the elasticity of the second pressure spring 232 itself Power, to increase the pressure applied to intercept net 13, and the second compressed spring 27 is continued to move to vehicle, deformation also can It increases with it, straight line increases the running resistance of corresponding vehicle therewith, and operator can stop the length of rope 7 by increasing, the Two slide plates 22 stop vehicle interception before contradicting with partition 24.

As shown in figure 3, since one end of wirerope 141 directly deviates from from vertical beam 1 towards the side of releasing box 25 around to vertical beam 1 Releasing box is connect behind 25 side with intercept net 13, therefore wirerope 141 constantly rubs with vertical beam 1 when moving, is easy to lead It causes wirerope 141 to wear and shortens its service life, in response to this, two opposite sides of vertical beam 1 are symmetrically arranged with first Reverse wheel 6, two vertical beams 1 are symmetrically arranged with the second reverse wheel 61 towards the side of intercept net 13, and the first reverse wheel 6 and second are changed It is in 45 degree of angles with horizontal direction to the axial line of wheel 61, one end of wirerope 141 successively bypasses the first reverse wheel 6 and the second commutation It is connect straight up and with intercept net 13 after wheel 61, the torsion of wirerope 141 is reduced, as shown in figure 5, simultaneously because wirerope 141 By downward pulling force effect, therefore the first reverse wheel 6 and 62 diameter of side plate of the second reverse wheel 61 towards ground side are big In another side plate 62, to reduce the case where wirerope 141 slips the first reverse wheel 6 or the second reverse wheel 61.

As shown in Figure 1, ground is set in the side that releasing box 25 deviates from vertical beam 1, there are two about the symmetrical support rod of road 32, support rod 32 is equipped with laser range finder 33, and support rod 32 is equipped with megaphone 34, and crossbeam 11 is equipped with warning lamp 35, When vehicle to 32 certain distance of support rod, laser range finder 33 can detect vehicle whether superelevation, if superelevation warning lamp 35 dodge Bright, megaphone 34 is broadcasted, and driver is reminded to start to brake.

As shown in figure 5, intercept net 13, when stopping Overheight Vehicles, intercept net 13 can generate big phase interaction with Overheight Vehicles Firmly, if Overheight Vehicles and the contact portion structure of intercept net 13 are insecure, will Overheight Vehicles be caused with biggish damage, because This 1 side walls of vertical beam is connected with support plate 4, and hook 12 is arranged in support plate 4, and support plate 4 can drive intercept net at this time 13 move up and down along 1 short transverse of vertical beam, and support plate 4 is equipped with the fixing piece for 4 position of fixed support plate；Laser Measuring simultaneously Distance meter 33 is provided with multiple along 32 short transverse of support rod, and crossbeam 11 is equipped with vehicle inductor 41 for controlling fixing piece (such as Fig. 1), as laser range finder 33(such as Fig. 1 of highest point) response when, then 13 position of intercept net is constant, if remaining laser ranging Instrument 33 responds, then vehicle inductor 41 can release limitation of the fixing piece to support plate 4 according to the type of Overheight Vehicles, so that Intercept net 13 drops to Overheight Vehicles sound construction Partial Height.

As shown in figure 5, fixing piece includes the shifting chute 42 for being provided with vertical beam 1 towards 13 side of intercept net, on 1 side wall of vertical beam Several motion bars 43 pierced into shifting chute 42 are slidably connected along its short transverse, the moving direction of motion bar 43 is perpendicular to shifting Two cell walls that slot 42 is parallel to each other are moved, are additionally provided in vertical beam 1 several for controlling the mobile electromagnetic relays of each motion bar 43 44；Since the first compressed spring 23 is in confined state, under the pulling force effect of wirerope 141, support plate 4 is kept and most significant end The abutting of motion bar 43, when needing intercept net 13 to decline, electromagnetic relay 44 starts, and motion bar 43 removes rapidly shifting chute 42, support plate 4 loses the limitation rapid decrease of motion bar 43, until being limited by next motion bar 43, intercept net 13 reacts fast Speed, used time are short.

As shown in figure 5,42 cell wall of shifting chute, which passes through rotation axis 5 in the top of each motion bar 43, is rotatably connected to inclination The bull stick 51 extended downwardly is arranged with torsional spring 52(such as Fig. 6 in rotation axis 5), when torsional spring 52 in the raw when, bull stick 51 with The cell wall of 42 face rotation axis 5 of shifting chute contradicts, and motion bar 43 and bull stick 51 contradict, and support plate 4 and bull stick 51 contradict, and props up at this time Fagging 4 is that electromagnetic relay 44 drives motion bar 43 to remove shifting chute 42 first during the decline, then 4 grams of support plate The resilient force bull stick 51 for taking torsional spring 52 rotates down, and torsional spring 52 is twisted and is provided with elastic-restoring force, when support plate 4 with Next bull stick 51 contradict when, above bull stick 51 torsional spring 52 elastic-restoring force effect under return back to original state, from And support plate 4 is limited between two bull sticks 51, moving up for support plate 4 is limited, fixed intercept net 13 is improved The stability set.

As shown in figure 5, in order to reduce the case where sliding hook 12 when intercept net 13 drops at the fast speed, support plate 4 and hook 12 sides contradicted offer the arc groove 53 partially protruded into for hook 12, and support plate 4 is equipped with DC stepper motor 54, direct current The motor shaft of stepper motor 54 is connect with one end that hook 12 puts in arc groove 53, and support plate 4 is equipped with and DC stepper motor The solar panel 55 of 54 connections, clean energy.When intercept net 13 does not need work, two hooks 12 are in toed-out shape, Opening deviates from vertical beam 1, and movement of the intercept net 13 far from 1 direction of vertical beam at this time reduces intercept net 13 by two 12 limitations of hook A possibility that sliding hook 12, when intercept net 13 needs work, DC stepper motor 54 starts and drives two 12 phases of hook To rotation, two hooks 12 are in toed-in, and open towards vertical beam 1, intercept net 13 can slide hook 12 with vehicle at this time.

As shown in figure 5, in order to improve the flexibility of the work of intercept net 13, vertical beam 1 is equipped with distance-sensor 56(as schemed 1), when laser range finder 33 detects vehicle super-high and needs to adjust 13 height of intercept net, if Overheight Vehicles are apart from vertical beam Just success is braked when at 1200 meters, just without decline, DC stepper motor 54 starts intercept net 13 at this time, drives two bull sticks 51 Turn to toed-in shape；It continues to travel when several Overheight Vehicles are at 1200 meters of vertical beam, then vehicle inductor 41 is according to super The electromagnetic relay 44 of high type of vehicle control corresponding height works, so that intercept net 13 declines, DC stepper motor 54 later Starting, drives two bull sticks 51 to turn to toed-in shape, convenient and efficient.

As shown in Figure 1, in addition, the laser range finder 33 of each height is equipped with multiple, raising detection away from the horizontal direction The accuracy of range and detection, when one of laser range finder 33 of a certain height damages, still with laser range finder 33 It is able to maintain working condition.

Claims (10)

1. a kind of high speed limit for height system, it is characterised in that: including being symmetricly set on the vertical beam (1) of both sides of the road and for connecting two The crossbeam (11) of a vertical beam (1) upper end, two vertical beams (1) are provided with intercept net (13) by linking up with (12), described in two Vertical beam (1) is rotatably connected to the first line wheel (14) away from intercept net (13) side, is wound with steel on first line wheel (14) One end of cable (141), two wireropes (141) is connect with the both ends of intercept net (13) respectively, intercept net (13) setting In vertical beam (1) towards the side of vehicle forward direction.

2. a kind of high speed limit for height system according to claim 1, it is characterised in that: vertical beam (1) side wall offers edge The sliding groove (2) of its short transverse distribution slidably connects the first slide plate (21) being distributed up and down and the in the sliding groove (2) Two slide plates (22), first line wheel (14) and the first slide plate (21) are rotatablely connected, are rotatablely connected on second slide plate (22) Have the second line wheel (221), is connected with the first compressed spring (23), the steel between first slide plate (21) and the second slide plate (22) Cable (141) is wrapped in the first line wheel (14) and the second line wheel (221), one end of two wireropes (141) respectively with interception The both ends of net (13) connect, and the other end links together after bypassing respective first line wheel (14) respectively, when the wirerope (141) When being wrapped in the first line wheel (14) and the second line wheel (221), first compressed spring (23) is in confined state.

3. a kind of high speed limit for height system according to claim 2, it is characterised in that: sliding groove (2) slot bottom is first Partition (24) are equipped between line wheel (14) and the second line wheel (221), the partition (24) is arranged at the first line wheel (14), institute The first compressed spring (23) are stated to include the first pressure spring (231) for being connected between the first line wheel (14) and partition (24) and be connected to the The second pressure spring (232) between two line wheels (221) and partition (24), both sides of the road are equipped with releasing box (25), the releasing box (25) several obstruction ropes (7) are arranged at intervals in, each described one end for stopping rope (7) passes through block (251) connection, described Releasing box (25) cassette bottom is equipped with for each baffle (26) for stopping rope (7) and both passing through, and each obstruction rope (7) is in baffle (26) It is arranged between block (251) the second compressed spring (27), the releasing box (25) rotates in one end far from block (251) It is connected with the corresponding idler wheels (28) of several ropes (7) with each obstruction, each stop rope (7) far from block (251) one End is connected by drag hook (29) afterwards around idler wheel (28), and second slide plate (22) is equipped with the grab being interlocked with drag hook (29) (3), the releasing box (25) is equipped with the closing cap (31) for closing box mouth, is offered on the closing cap (31) for stopping The through-hole (311) that rope (7) is pierced by.

4. a kind of high speed limit for height system according to claim 3, it is characterised in that: ground deviates from the releasing box (25) The side of vertical beam (1) is set there are two about the symmetrical support rod of road (32), and the support rod (32) is equipped with laser range finder (33), the support rod (32) is equipped with megaphone (34), and the crossbeam (11) is equipped with warning lamp (35).

5. a kind of high speed limit for height system according to claim 4, it is characterised in that: vertical beam (1) the side walls connection Have support plate (4), the hook (12) is arranged on support plate (4), and the support plate (4), which is equipped with, is used for fixed support plate (4) fixing piece of position, the crossbeam (11) are equipped with the vehicle inductor (41) for controlling fixing piece, the laser ranging Instrument (33) is provided with multiple along support rod (32) short transverse.

6. a kind of high speed limit for height system according to claim 5, it is characterised in that: the fixing piece includes being provided with vertical beam (1) towards intercept net (13) side shifting chute (42), be slidably connected on vertical beam (1) side wall and pierce into shifting chute (42) Motion bar (43) and control motion bar (43) Mobile electromagnetic relay (44), the motion bar (43) is along vertical beam (1) short transverse Equipped with several.

7. a kind of high speed limit for height system according to claim 6, it is characterised in that: shifting chute (42) cell wall is each The top of motion bar (43) passes through rotation axis (5) and is rotatably connected to the bull stick (51) extended obliquely downward, the rotation axis (5) On be arranged with torsional spring (52), when the torsional spring (52) in the raw when, the bull stick (51) and shifting chute (42) face turn The cell wall of moving axis (5) contradicts, and the motion bar (43) and bull stick (51) contradict, and the support plate (4) and bull stick (51) contradict.

8. a kind of high speed limit for height system according to claim 7, it is characterised in that: the support plate (4) and hook (12) The side of conflict offers the arc groove (53) partially protruded into for hook (12), and the support plate (4) is equipped with direct current stepping electricity The motor shaft of machine (54), the DC stepper motor (54) is connect with one end that hook (12) puts in arc groove (53), the branch Fagging (4) is equipped with the solar panel (55) connecting with DC stepper motor (54).

9. a kind of high speed limit for height system according to claim 8, it is characterised in that: the laser range finder (33) of each height Away from the horizontal direction be equipped with it is multiple, the vertical beam (1) be equipped with distance-sensor (56).

10. a kind of high speed limit for height system according to claim 1, it is characterised in that: two vertical beams (1) it is opposite one Side is symmetrically arranged with the first reverse wheel (6), and the side of two vertical beam (1) towards the intercept nets (13) is symmetrically arranged with second and changes To wheel (61), the axial line of first reverse wheel (6) and the second reverse wheel (61) is in 45 degree of angles, the steel with horizontal direction One end of cable (141) bypasses the first reverse wheel (6) respectively and the second reverse wheel (61) is connect with intercept net (13) afterwards, and described first Reverse wheel (6) and side plate (62) diameter of the second reverse wheel (61) towards ground side are all larger than another side plate (62).