CN111519525A

CN111519525A - Adjustable guardrail structure for bridge

Info

Publication number: CN111519525A
Application number: CN202010330338.9A
Authority: CN
Inventors: 陶文超; 韩建杰; 马文霞; 王宏
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2020-08-11

Abstract

The invention relates to the field of guardrails, in particular to an adjustable guardrail structure for a bridge, which comprises guardrails vertically arranged at two sides of the bridge, wherein each guardrail comprises stand columns positioned at two ends of the guardrail, limiting rods extending to the position below a liquid level are arranged at the bottoms of the stand columns positioned at the upstream, an obstacle sensing system is arranged between the two limiting rods, an upper cross beam fixedly connected to the upper ends of the two stand columns and a guardrail assembly positioned below the upper cross beam are arranged between the two stand columns positioned at the downstream, each stand column is of a hollow structure, a vertical stud is rotatably sleeved in each stand column, the vertical stud extends downwards to the position below the liquid level, two sides of the guardrail assembly are screwed on the vertical stud, a driving device for driving the vertical stud to rotate is arranged at the end part of each vertical stud, and the. The invention can automatically adjust the guardrail to descend according to the liquid level condition so as to intercept large garbage or aquatic weeds, and solves the problems of single structure and few functions of the original fixed guardrail.

Description

Adjustable guardrail structure for bridge

Technical Field

The invention relates to the field of guardrails, in particular to an adjustable guardrail structure for a bridge.

Background

Both sides of the road surface of the bridge are often provided with guardrails for isolation and protection. The adjustable guardrail structure for the bridge is provided to facilitate interception of large garbage or waterweeds on the liquid level, so that the function of purifying water flow is achieved to a certain extent.

Disclosure of Invention

The invention aims to provide an adjustable guardrail structure for a bridge, which can automatically adjust the guardrail to descend according to the liquid level condition so as to intercept large-scale garbage or aquatic weeds and solve the problems of single structure and few functions of the original fixed guardrail.

The above object of the present invention is achieved by the following technical solutions:

an adjustable guardrail structure for a bridge comprises guardrails vertically arranged on two sides of the bridge, each guardrail comprises stand columns at two ends of each guardrail and a plurality of supporting columns distributed between the two stand columns, limiting rods extending to the liquid level are arranged at the bottoms of the stand columns on the upper stream, a barrier sensing system is arranged between the two limiting rods, each supporting column between the two stand columns on the lower stream comprises an upper cross beam fixedly connected to the upper ends of the two stand columns and a railing assembly movably arranged between the two stand columns and positioned below the upper cross beam, each stand column is of a hollow structure, wherein the inner part is rotatably sleeved with a vertical stud which extends downwards to the position below the liquid level, two sides of the railing assembly are screwed on the vertical stud, the end part of the vertical stud is provided with a driving device for driving the vertical stud to rotate, and the obstacle sensing system is electrically connected with the driving device and used for controlling the movable lifting of the railing assembly.

Optionally, the obstacle sensing system includes an infrared generator and an infrared receiver respectively disposed on the two limit rods; the infrared generator is used for emitting infrared light, and the infrared receiver transmits a signal to the driving device after not receiving the infrared light; the limiting grooves distributed along the length direction are formed in the opposite surfaces of the two limiting rods, floating rods capable of floating on the liquid level are arranged in the limiting grooves, and the infrared generator and the infrared receiver are respectively arranged at the upper ends of the two floating rods.

Optionally, the rail assembly comprises two support frames distributed up and down and a plurality of vertical rails fixedly connected between the two support frames; the supporting frame below the adjusting seat extends outwards, and the adjusting seat is in threaded connection with the part, outside the upright post, of the vertical screw rod.

Optionally, the part of the vertical stud located in the upright post is axially and fixedly connected with the inner side surface of the upright post through an upper thrust bearing and a lower thrust bearing.

Optionally, a cavity communicated with the hollow upright column is formed in the upper cross beam, the driving device comprises a driving motor installed in the cavity, an output shaft of the driving motor is sleeved with a driving wheel, a driving wheel engaged with a rotary driving element is sleeved on the end portion of the vertical screw rod, and the rotary driving element extends into the cavity and is engaged with the driving wheel in a vertically staggered manner.

Optionally, the barrier sensing system further comprises a counter, which is in communication connection with the barrier sensing system and is used for counting the number of times that the infrared receiver does not receive the infrared light in unit time, and triggering the driving motor to drive the rail assembly to descend to be in contact with the liquid level when the counted number of times reaches a set value.

Optionally, the device further comprises a timer, counting down is carried out when the counting times of the counter reach a set value, when the timer reaches the set time and the average counting times of the counter in a plurality of adjacent periods is smaller than the set value, the driving motor is triggered to drive the railing assembly to be lifted between the two upright posts, and otherwise, the timer carries out a new round of counting down.

Compared with the prior art, the invention provides an adjustable guardrail structure for a bridge, which has the following beneficial effects: the barrier sensing system, the counter and the timer are additionally arranged, so that the liquid level condition under the bridge can be monitored, the driving device can be triggered to drive the railing assembly to descend to the liquid level when large garbage or aquatic weeds are more in the bridge, and the vertical railing in the railing assembly can serve as a filter screen to intercept the large garbage or aquatic weeds flowing underwater, so that the effect of purifying water flow is achieved to a certain extent; meanwhile, when large garbage or aquatic plants are few or even no, the driving device can be automatically adjusted to drive the railing assembly to lift and serve as a guardrail for use.

Drawings

FIG. 1 is a view showing the construction of the guard rail of the present embodiment located upstream;

FIG. 2 is a view showing the structure of the guard rail located downstream in the present embodiment;

fig. 3 is a view showing a state of entrapment of a rail assembly in the guard rail structure located downstream in the present embodiment.

In the figure: 1. a bridge; 2a, a column; 2b, a column; 3a, an upper cross beam; 3b, an upper cross beam; 3b1, cavity; 4a, a pillar; 4b, a strut; 4b1, support rack; 4b2, vertical rails; 4b3, an adjusting seat; 5. a limiting rod; 51. a limiting groove; 6. a float rod; 7a, an infrared generator; 7b, an infrared receiver; 8. a vertical stud; 81. an upper thrust bearing; 82. a lower thrust bearing; 9. a drive motor; 91. a driving wheel; 92. a rotary drive element; 93. and a driving wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1: referring to fig. 1 and 2, the present invention provides a technical solution: an adjustable guardrail structure for a bridge comprises guardrails vertically arranged at two sides of a bridge 1, the guardrails comprise upright posts 2a and 2b positioned at two ends of the guardrail and upright posts 2a distributed at two ends, 2b, the bottom of the upright post 2a positioned at the upstream is provided with a limiting rod 5 extending to the liquid level, one surface of each limiting rod 5, which is opposite to the other surface, is provided with a limiting groove 51 distributed along the length direction of the limiting groove, a floating rod 6 capable of floating on the liquid level is arranged in the limiting groove 51, the floating rod 6 can be designed with different heights according to the volume of garbage to be monitored, an obstacle sensing system is arranged between the two limiting rods 5 and comprises an infrared generator 7a and an infrared receiver 7b which are respectively arranged at the upper ends of the two floating rods 6, the infrared generator 7a is used for emitting infrared light, and the infrared receiver 7b can receive the infrared light emitted by the infrared generator 7 a. The pillar 4a between the two upright posts 2a located at the upstream comprises an upper cross beam 3a and a railing assembly which are fixedly connected between the two upright posts 2a and distributed up and down, the pillar 4b between the two upright posts 2b located at the downstream comprises an upper cross beam 3b fixedly connected to the upper ends of the two upright posts 2b and a railing assembly located below the upper cross beam 3b and movably arranged between the two upright posts 2b, the upright posts 2b are of hollow structures, vertical studs 8 are sleeved in the hollow structures in a rotating mode, the vertical studs 8 extend downwards to the liquid level, and the parts, located in the upright posts 2b, of the vertical studs 8 are axially and fixedly connected with the inner side faces of the upright posts 2b through upper thrust bearings 81 and lower thrust bearings 82. The railing assembly comprises two support frames 4b1 which are distributed up and down and a plurality of vertical railings 4b2 which are fixedly connected between the two support frames 4b 1; an adjusting seat 4b3 extends outwards from the supporting frame 4b1 located below, the adjusting seat 4b3 is screwed to the position, located outside the upright post 2b, of the vertical screw 8, a driving device for driving the vertical screw 8 to rotate is further arranged at the end of the vertical stud 8, the obstacle sensing system is electrically connected with the driving device, and after the infrared receiver 7b does not receive infrared light, a signal is transmitted to the driving device to control the railing assembly to descend and serve as a filter screen.

For further arrangement, a cavity 3b1 communicated with the hollow upright post 2a is formed in the upper cross beam 3b, the driving device comprises a driving motor 9 installed in the cavity 3b1, an output shaft of the driving motor 9 is sleeved with a driving wheel 91, the end part of the vertical screw 8 is sleeved with a driving wheel 93 engaged with the rotary driving element 92, and the two rotary driving elements 92 extend into the cavity 3b1 and are engaged with the driving wheel 91 in a vertically staggered manner.

Illustratively, the swing drive element 92 may be a chain or a belt.

In order to further arrange, the adjustable guardrail structure further comprises a counter, wherein the counter is in communication connection with the obstacle sensing system and is used for counting the times that the infrared receiver 7b does not receive infrared light in unit time, and when the counted times reach a set value, the counter triggers the driving motor 9 to drive the railing assembly to descend to be in contact with the liquid level.

In order to further arrange, the adjustable guardrail structure further comprises a timer, counting down is carried out when the counting times of the counter reach a set value, when the timer reaches the set time and the average counting times of the counter in a plurality of adjacent periods is smaller than the set value, the driving motor 9 is triggered to drive the railing assembly to be lifted between the two upright posts 2a and 2b, otherwise, the timer carries out a new round of counting down.

The working principle is as follows: the barrier sensing system is normally open, and infrared generator 7a sends the infrared light, and infrared receiver 7b can receive this infrared light, when large-scale rubbish or pasture and water flow to here, it can shelter from the infrared light so that infrared receiver 7b can not receive the infrared light, and count the number of times that infrared receiver 7b did not receive the infrared light in the unit interval and reach the setting value when the counter triggers driving motor 9 and drives railing subassembly and drop to and contact with the liquid level. Railing subassembly can act as the filter screen and hold back with the underwater large-scale rubbish of convection current or pasture and water this moment, thereby play the effect of purifying rivers to a certain extent, infrared receiver 7b still many times or long-time not receiving the infrared light after the timer reaches the time of settlement, then the timer counts down again, and railing subassembly state is unchangeable, if the timer reaches infrared receiver 7b can more receive the infrared light after the time of settlement then indicate that the liquid level is clean, can trigger driving motor 9 drive railing subassembly lifting and protect the use as the guardrail this moment, in order to avoid the visitor to fall into water carelessly.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a guardrail structure with adjustable bridge is used, is including setting up the guardrail in bridge (1) both sides perpendicularly, the guardrail is including stand (2a, 2b) that are located its both ends and distribute two a plurality of pillars (4a, 4b) between stand (2a, 2b), its characterized in that: the bottom of the upright post (2a) positioned at the upstream is provided with a limiting rod (5) extending to the liquid level, an obstacle sensing system is arranged between the two limiting rods (5), the pillar (4b) positioned between the two upright posts (2b) at the downstream comprises an upper cross beam (3b) fixedly connected to the upper ends of the two upright posts (2b) and a railing component positioned below the upper cross beam (3b) and movably arranged between the two upright posts (2b), the upright posts (2b) are of a hollow structure, a vertical stud (8) is rotatably sleeved in the liquid level sensor, the vertical stud (8) extends downwards to the position below the liquid level, the two sides of the railing component are screwed on the vertical studs (8), the end parts of the vertical studs (8) are provided with driving devices for driving the vertical studs to rotate, the barrier sensing system is electrically connected with the driving device and used for controlling the movable lifting of the railing assembly.

2. The adjustable guardrail structure for bridges of claim 1, wherein: the obstacle sensing system comprises an infrared generator (7a) and an infrared receiver (7b) which are respectively arranged on the two limiting rods (5); the infrared generator (7a) is used for emitting infrared light, and the infrared receiver (7b) transmits a signal to the driving device after not receiving the infrared light; the limiting groove (51) distributed along the length direction is formed in the opposite surface of the two limiting rods (5), the floating rods (6) capable of floating on the liquid level are arranged in the limiting groove (51), and the infrared generator (7a) and the infrared receiver (7b) are respectively arranged at the upper ends of the two floating rods (6).

3. The adjustable guardrail structure for bridges of claim 1, wherein: the rail assembly comprises two support frames (4b1) which are distributed up and down and a plurality of vertical rails (4b2) which are fixedly connected between the two support frames (4b 1); an adjusting seat (4b3) extends outwards from the lower support frame (4b1), and the adjusting seat (4b3) is screwed at the position, outside the upright post (2b), of the vertical screw rod (8).

4. The adjustable guardrail structure for bridges of claim 1, wherein: the part of the vertical stud (8) positioned in the upright post (2b) is axially and fixedly connected with the inner side surface of the upright post (2b) through an upper thrust bearing (81) and a lower thrust bearing (82).

5. The adjustable guardrail structure for bridges of claim 1, wherein: the cavity (3b1) that communicates with cavity stand (2b) is seted up to the inside of entablature (3b), drive arrangement is including installing driving motor (9) in cavity (3b1), and driving wheel (91) have been cup jointed to the output shaft of driving motor (9), the tip of vertical screw rod (8) is cup jointed and is rotated drive wheel (93) that driving element (92) jointed, two it is rotated driving element (92) and is extended to in cavity (3b1) and stagger from top to bottom and joint with driving wheel (91).

6. The adjustable guardrail structure for bridges of claim 2, wherein: the counter is in communication connection with the obstacle sensing system and used for counting the times that the infrared receiver (7b) does not receive infrared light in unit time, and when the counted times reach a set value, the driving motor (9) is triggered to drive the railing assembly to descend to be in contact with the liquid level.

7. The adjustable guardrail structure for bridges of claim 6, wherein: the counter is used for counting the number of times and counting down the number of times, the timer is used for counting down the number of times and counting down the number of times, when the timer reaches the set time and the number of times of counting the number of times of the counter in a plurality of adjacent periods is smaller than the set value, the driving motor (9) is triggered to drive the railing assembly to be lifted between the two vertical columns (2b), and otherwise, the timer counts down the number of times again.