CN213805033U - Height-limiting early warning device - Google Patents

Abstract

The utility model discloses a limit for height early warning device has overcome among the prior art limit for height early warning device's function and has remained the problem of improving. The utility model discloses a contain the lift landing leg, block the crossbeam, block the diaphragm, restraint stay cord and marginal buffer stop, wherein lift landing leg lower extreme is fixed subaerial, the upper end links to each other through blocking the crossbeam, cup joint a plurality of blocks diaphragms on blocking the crossbeam side by side, the middle part that blocks the diaphragm is equipped with and blocks the parallel through-hole of crossbeam, the through-hole endotheca has the restraint stay cord, the both ends of restraint stay cord extend to the lift landing leg outside and connect the balancing weight through the extension spring, the balancing weight is located the saddle in the lift landing leg outside, be equipped with marginal buffer stop on every base that blocks the crossbeam. According to the technology, the up-and-down bumping of the balancing weight gives a contact signal for scraping of a driver, the up-and-down bumping process can be quickly offset by the supporting platform, the passing height of a subsequent vehicle can be conveniently and accurately predicted, and the scraping with a rear height limiting device is reduced.

Description

Height-limiting early warning device

Technical Field

The utility model relates to a road limit for height field especially relates to a limit for height early warning device.

Background

The current road height limiting frame is usually a fixed structure, and once a driver is out of sight of the height of a vehicle driven by the driver, the driver can crash the height limiting frame to cause the height limiting frame to rub and extrude the height limiting frame to leave a flaw on the height limiting frame, or the height limiting frame is damaged to cause a series of traffic jams or serious traffic accidents. As long as the vehicle contacts the height limiting frame, both sides can have unnecessary property loss. If the contact is too large, the height limiting frame can intrude into the cab to cause unnecessary injury to personnel. The height-limiting early warning device is an early warning testing device which is used for respectively carrying out early warning on a single lane in order to avoid the problem of the height-limiting frame, and if the height-limiting early warning device collides with the early warning device, a driver needs to readjust the placement of goods, unload goods in front of the goods or walk around the lane again. The warning device must therefore be a flexible contact device which cannot be swung by external forces, including wind forces and impact forces which occur after contact with the preceding vehicle, to cause a false determination of the predicted height of the vehicle or of the following vehicle.

Because the freight train is longer, whether the driver is difficult to hear the sound of whether having slight contact early warning device, wait until the vehicle passes through the back, be difficult to perceive whether contact early warning device, when leading to the limit for height frame in the place ahead, still exist and wipe the limit and lead to the fact both sides to lose the phenomenon.

Therefore, the utility model discloses mainly in order to solve above problem.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes limit for height early warning device's function remains the problem of improving among the prior art, provides a limit for height early warning device rational in infrastructure, convenient to use.

The technical solution of the utility model is that, a limit for height early warning device with following structure is provided: the anti-collision device comprises lifting support legs, a blocking cross beam, blocking cross plates, a restraining pull rope and an edge anti-collision device, wherein the lower ends of the lifting support legs are fixed on the ground, the upper ends of the lifting support legs are connected through the blocking cross beam, the blocking cross beam is sleeved with the blocking cross plates in parallel, the middle of each blocking cross plate is provided with a through hole parallel to the corresponding blocking cross beam, the restraining pull rope is sleeved in the through hole, two ends of the restraining pull rope extend to the outer side of the lifting support legs and are connected with a balancing weight through tension springs, the balancing weight is located on a support table on the outer side of the lifting support legs, and the edge anti-collision device is arranged on the bottom edge of each blocking cross beam.

The edge anti-collision device comprises two anti-collision covered edges, a cushion pad, energy-absorbing snap springs and snap spring contact pieces, wherein the upper ends of the two anti-collision covered edges are fixed at the bottom edge of the blocking cross beam through bolts, the two anti-collision covered edges are symmetrically connected with the blocking cross beam, the inner surfaces of the two anti-collision covered edges are connected with the outer surface of the cushion pad, and the inner surface of the cushion pad is connected with the energy-absorbing snap springs through the snap spring contact pieces; the upper end of the anti-collision wrapping edge is fixed at the bottom edge of the blocking crossbeam through bolts, and the lower end of the anti-collision wrapping edge is attached and connected with the blocking crossbeam, wherein the number of the blocking crossbeam is two, and the blocking crossbeam is symmetrically connected with the blocking crossbeam.

The two sides of the blocking transverse plate are respectively pasted with a reflecting sticker, and the front side surface of the blocking transverse plate is provided with reminding characters.

The lifting supporting legs are in electric rack type transmission.

Compared with the prior art, the utility model discloses limit for height early warning device has following advantage: the lifting support legs can guarantee synchronous lifting operation with the height limiting rod, and special vehicles can pass through the lifting support legs. The sleeved stopping transverse plate has a large buffer space, the pulled constraint pull rope pulls the balancing weight through the tension spring, the balancing weight can bump up and down, a scraping contact signal is given to a driver, the up-and-down bumping process can be quickly offset by the supporting platform, the passing height of a follow-up vehicle can be accurately predicted, and scraping with a rear height limiting device is reduced. The anti-collision wrapping edge contacts the energy-absorbing snap spring through the snap spring contact piece, so that slight and violent impact force can be greatly relieved.

Drawings

Fig. 1 is a schematic front side structure of the present invention;

fig. 2 is a schematic rear side structure of the present invention;

fig. 3 is a schematic side view of the middle edge bumper of the present invention.

In the description of the attached drawings, reference numeral 1 is a lifting support leg, 2 is a balancing weight, 3 is a fixed pulley support, 4 is a restraint pull rope, 5 is a fixed pulley, 6 is a stopping cross beam, 7 is a stopping transverse plate, 8 is a through hole, 9 is an anti-collision edge covering, 10 is an energy-absorbing clamp spring, 11 is a bolt, 12 is a cushion pad, 13 is a clamp spring contact piece, 14 is a buffer tension spring, and 15 is a supporting platform.

Detailed Description

The height-limiting early warning device of the present invention is further described with reference to the accompanying drawings and the following detailed description: as shown in the figure, the lifting support leg comprises a lifting support leg 1, a blocking cross beam 6, blocking cross plates 7, restraining pull ropes 4 and an edge anti-collision device, wherein the lower end of the lifting support leg 1 is fixed on the ground, the upper end of the lifting support leg is connected with the blocking cross beam 6, the blocking cross beam 6 is sleeved with the blocking cross plates 7 in parallel, a through hole 8 parallel to the blocking cross beam 6 is formed in the middle of the blocking cross plate 7, the restraining pull ropes 4 are sleeved in the through hole 8, two ends of the restraining pull ropes 4 extend to the outer side of the lifting support leg 1 and are connected with a balancing weight 2 through tension springs, the balancing weight 2 is located on a supporting platform 15 on the outer side of the lifting support leg 1, and the edge anti-collision device is arranged on the bottom edge of each blocking cross beam 6.

The lifting support legs 1 can ensure synchronous lifting operation with the height limiting rod, and special vehicles can pass through the lifting support legs. The split arresting cross-member 6 has a very large buffer space. The blocking beam 6 with the bevel edge design and the lower part capable of swinging can extend the collision displacement of the ultrahigh part to the lower half part of the whole blocking beam 6, so that a driver can conveniently observe the height of the blind area at the upper part of the cargo box, and the scraping with a rear height limiting device is reduced.

The edge anti-collision device comprises two anti-collision edges 9, two cushion pads 12, energy-absorbing snap springs 10 and snap spring contact pieces 13, wherein the upper ends of the anti-collision edges 9 are fixed at the bottom edges of the blocking beams 6 through bolts 11, the two anti-collision edges are symmetrically connected with the blocking beams 6, the inner surfaces of the two anti-collision edges are connected with the outer surfaces of the cushion pads 12, and the inner surfaces of the cushion pads 12 are connected with the energy-absorbing snap springs 10 through the snap spring contact pieces 13; the upper ends of the anti-collision wrapping edges 9 are fixed at the bottom edges of the blocking cross beams 6 through bolts 11, the lower ends of the anti-collision wrapping edges are attached to the blocking cross beams 6, the number of the anti-collision wrapping edges is two, and the anti-collision wrapping edges are symmetrically connected with the blocking cross beams 6.

The two sides of the blocking beam 6 are respectively pasted with a reflecting sticker 5, the front side surface is provided with reminding characters 6, and the contents are 'prediction ultrahigh amplitude, ultrahigh front turning' or 'ultrahigh inspection and ultrahigh turning'.

The lifting supporting legs 1 are in electric rack type transmission. The lifting supporting legs 1 are in electric rack type transmission.

If the vehicle touches the stopping transverse plate 7, the stopping transverse plate can drive the restraint pull rope 4, the traction buffer tension spring 14 pulls the balancing weight 2, the balancing weight 2 can bump up and down, a striking color is coated on the balancing weight 2, and a driver can clearly see whether scraping is generated due to over height from a rearview mirror. Buffering extension spring 14 can alleviate edge buffer stop's collision pressure and damage risk, and wherein the pulling force of buffering extension spring 14 slightly is less than the gravity of balancing weight 2, can guarantee that 2 jolts more sensitively from top to bottom of balancing weight, and the action state is more obvious to guarantee that the quality of two balancing weights 2 equals. The device can avoid the interference of external wind caused by too light mass of the blocking beam 6, can also avoid the probability of damage caused by too heavy mass of the blocking beam 6 in scraping and collision, and can also avoid the damage of the too heavy blocking beam 6 to people caused by invasion of a cab.

Claims (4)

1. The utility model provides a limit for height early warning device which characterized in that: the anti-collision device comprises lifting support legs, a blocking cross beam, blocking cross plates, a restraining pull rope and an edge anti-collision device, wherein the lower ends of the lifting support legs are fixed on the ground, the upper ends of the lifting support legs are connected through the blocking cross beam, the blocking cross beam is sleeved with the blocking cross plates in parallel, the middle of each blocking cross plate is provided with a through hole parallel to the blocking cross beam, the restraining pull rope is sleeved in the through hole, two ends of the restraining pull rope extend to the outer side of the lifting support legs and are connected with a balancing weight through a fixed pulley and a tension spring, the balancing weight is located on a support table on the outer side of the lifting support legs, and the edge anti-collision device is arranged on the bottom edge of each blocking cross beam.

2. The height-limiting early warning device according to claim 1, wherein: the edge anti-collision device comprises two anti-collision covered edges, a cushion pad, energy-absorbing snap springs and snap spring contact pieces, wherein the upper ends of the two anti-collision covered edges are fixed at the bottom edge of the blocking cross beam through bolts, the two anti-collision covered edges are symmetrically connected with the blocking cross beam, the inner surfaces of the two anti-collision covered edges are connected with the outer surface of the cushion pad, and the inner surface of the cushion pad is connected with the energy-absorbing snap springs through the snap spring contact pieces; the upper end of the anti-collision wrapping edge is fixed at the bottom edge of the blocking crossbeam through bolts, and the lower end of the anti-collision wrapping edge is attached and connected with the blocking crossbeam, wherein the number of the blocking crossbeam is two, and the blocking crossbeam is symmetrically connected with the blocking crossbeam.

3. The height-limiting early warning device according to claim 1, wherein: the two sides of the blocking transverse plate are respectively pasted with a reflecting sticker, and the front side surface of the blocking transverse plate is provided with reminding characters.

4. The height-limiting early warning device according to claim 1, wherein: the lifting supporting legs are in electric rack type transmission.

Images