CN217629453U

CN217629453U - Bridge construction mobile platform capable of crossing anti-throwing net

Info

Publication number: CN217629453U
Application number: CN202221408270.2U
Authority: CN
Inventors: 范英; 潘文飞
Original assignee: Liuzhou Boao Machinery Manufacturing Co ltd
Current assignee: Liuzhou Boao Machinery Manufacturing Co ltd
Priority date: 2022-06-07
Filing date: 2022-06-07
Publication date: 2022-10-21
Anticipated expiration: 2032-06-07

Abstract

The utility model relates to a bridge construction moving platform capable of crossing over an anti-throwing net, which comprises a walking vehicle and a truss assembly, wherein the truss assembly comprises a revolving arm, a vertical arm and an operation platform; the first slewing mechanism is provided with a support frame, one end of the slewing arm is hinged to the upper end of the support frame, a lifting oil cylinder is connected between the middle of the slewing arm and the first slewing mechanism, the lifting oil cylinder is hinged to the first slewing mechanism, the telescopic rod end of the lifting oil cylinder is hinged to the position, close to the middle, of the lower side of the slewing arm, and the telescopic rod of the lifting oil cylinder stretches out or contracts to enable one end, far away from the first slewing mechanism, of the slewing arm to lift or descend. The utility model discloses a slewing arm is connected with rotation mechanism is articulated to lift or descend the slewing arm through lift cylinder, make perpendicular arm and the operation platform of connection at the slewing arm tip stride across and prevent throwing the net, avoid preventing throwing the too high operation that influences of net.

Description

Bridge construction mobile platform capable of crossing anti-throwing net

Technical Field

The utility model belongs to the technical field of bridge construction equipment, a bridge construction moving platform is related to, in particular to can stride across and prevent throwing bridge construction moving platform of net.

Background

The bridge anti-throwing net is a guardrail net for preventing falling objects, is usually arranged on two sides of a bridge, prevents people from accidentally falling from the bridge, throws the objects down from the bridge to a highway to influence the road, protects the property and physical safety of the citizens, and is widely used for bridges, viaducts, overpasses and the like.

Along with the continuous perfection of national infrastructure, the total amount of bridges is continuously increased, bridges are built on rivers, vehicles can conveniently run, therefore, the stability and the safety of the bridges are very important, the regular detection and maintenance of the bridges are also continuously increased, the demand on bridge detection vehicles is increased, the bridge detection vehicles are common mobile bridge detection maintenance auxiliary equipment, a flexible and movable working platform is provided for workers, and the bridge detection maintenance efficiency is greatly improved.

However, the rotary arm of the existing bridge inspection vehicle is usually connected with the chassis of the inspection vehicle through a rotary mechanism, the rotary arm is usually in a horizontal state and cannot lift, when anti-throwing nets are installed on two sides of a bridge, the anti-throwing nets are too high, and the rotary arm cannot lift, so that the operation platform at the front end of the rotary arm cannot be adjusted to the outer side of the bridge, and operation is influenced; in addition, the conventional swing mechanism usually drives the swing bearing to rotate by matching a motor and a gear, so that the swing action is realized, the mechanical structure and the control system of the motor are complex, and the manufacturing cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple structure, control portably and can stride across and prevent throwing the bridge construction moving platform of net, this bridge construction moving platform's revolving arm is connected with rotation mechanism is articulated to lift up the revolving arm through lift cylinder, avoid preventing throwing the too high influence operation of net, the effectual problem of solving the background art existence.

The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: a bridge construction mobile platform capable of crossing an anti-throwing net comprises a walking vehicle and a truss assembly, wherein the truss assembly comprises a rotary arm, a vertical arm and an operation platform, the rotary arm is connected to the walking vehicle through a first rotary mechanism, the vertical arm is connected with one end, far away from the first rotary mechanism, of the rotary arm through a turnover mechanism, the operation platform is connected with the lower end of the vertical arm through a second rotary mechanism, and the operation platform is hinged to the second rotary mechanism; the first slewing mechanism upside is equipped with the support frame, and slewing arm one end is connected with the support frame upper end is articulated, still is connected with the lift cylinder between the middle part of slewing arm and the first slewing mechanism, lift cylinder's cylinder body one end is connected with first slewing mechanism is articulated, and lift cylinder's flexible rod end is connected by the position hinge of middle part with the slewing arm downside, and the telescopic link of lift cylinder stretches out or the shrink can make the slewing arm keep away from the one end lift or the decline of first slewing mechanism.

The utility model discloses a further technical scheme is: first slewing mechanism includes rotary platform, slewing bearing and slewing cylinder, rotary platform passes through the rotatable connection of slewing bearing on the walking car, and the cylinder body one end of slewing cylinder is articulated with the walking car and is connected, and the flexible rod end of slewing cylinder is articulated with slewing platform's side and is connected, and the telescopic link of slewing cylinder stretches out or contracts and can drive the slewing platform and rotate.

The utility model discloses a further technical scheme is: and a counterweight frame is arranged on one side of the support frame, which is far away from the rotary arm, and a counterweight block is placed in the counterweight frame.

The utility model relates to a can stride across and prevent throwing bridge construction moving platform of net has following beneficial effect owing to adopt above-mentioned scheme:

1. the rotary arm of the utility model is hinged with the rotary mechanism, and the rotary arm is lifted or descended through the lifting oil cylinder, so that the vertical arm connected with the end part of the rotary arm and the operation platform cross over the anti-throwing net, and the operation is prevented from being influenced by the over-height of the anti-throwing net;

2. the utility model discloses a first slewing mechanism passes through rotary cylinder control direction of rotation and gyration angle, compares with traditional motor and gear complex revolution mechanic, the utility model discloses a revolution mechanic is simpler to control portably, make and the maintenance cost is low.

The following describes a mobile platform for bridge construction capable of crossing over an anti-throwing net according to the present invention with reference to the accompanying drawings and embodiments.

Drawings

Fig. 1 is one of the schematic structural diagrams of a bridge construction mobile platform capable of crossing an anti-throwing net of the present invention;

fig. 2 is a second schematic structural view of a bridge construction mobile platform capable of crossing over an anti-throwing net according to the present invention;

the reference numbers indicate: 1-walking vehicle, 2-truss assembly, 21-rotary arm, 22-turnover mechanism, 23-vertical arm, 24-second rotary mechanism, 25-operation platform, 3-lifting oil cylinder, 4-counterweight frame, 41-counterweight block, 5-support frame, 61-rotary platform, 62-rotary bearing and 63-rotary oil cylinder.

Detailed Description

As shown in fig. 1 and 2, the bridge construction mobile platform capable of crossing over the anti-throwing net of the present invention comprises a walking vehicle 1 and a truss assembly 2, wherein the truss assembly 2 comprises a revolving arm 21, a vertical arm 23 and an operation platform 25; the revolving arm 21 is connected to the traveling carriage through a first revolving mechanism, the vertical arm 23 is connected to one end of the revolving arm 21 far away from the first revolving mechanism through the turnover mechanism 22, the turnover mechanism 22 enables the vertical arm 23 to turn over 90 degrees around the revolving arm 21, and meanwhile, the vertical arm 23 can also ascend or descend through the turnover mechanism 22, the structure and principle of the turnover mechanism are the prior art, and detailed description is not provided herein; the work platform 25 is connected to the lower end of the vertical arm 23 through a second swing mechanism 24 so that the work platform 25 can swing at a certain angle at the lower end of the vertical arm 23, and at the same time, the work platform 25 is hinged to the second swing mechanism 24 so that the work platform 25 can be turned 90 ° to be folded with the vertical arm 23.

The first rotating mechanism of the utility model comprises a rotating platform 61, a rotating bearing 62 and a rotating oil cylinder 63, wherein the rotating platform 61 is rotatably connected on the walking vehicle 1 through the rotating bearing 62, one end of the cylinder body of the rotating oil cylinder 63 is hinged with the walking vehicle 1, the telescopic rod end of the rotating oil cylinder 63 is hinged with the side surface of the rotating platform 61, and the telescopic rod of the rotating oil cylinder 63 extends or contracts to drive the rotating platform 61 to rotate; the utility model discloses a first slewing mechanism passes through rotary cylinder control direction of rotation and gyration angle, compares with traditional revolution mechanic, the utility model discloses a structure is simpler to it is simple and convenient to control, and manufacturing and maintenance cost are low.

First slewing mechanism upside is equipped with support frame 5, and slewing arm 21 one end is connected with 5 upper ends of support frame are articulated, still is connected with lifting cylinder 3 between the middle part of slewing arm 21 and the first slewing mechanism, lifting cylinder 3's cylinder body one end is connected with first slewing mechanism is articulated, and lifting cylinder 3's flexible rod end is connected with the position that the slewing arm 21 downside leaned on the middle part is articulated, and lifting cylinder 3's telescopic link stretches out or contracts and to make slewing arm 21 keep away from the one end lift or descend of first slewing mechanism. In the operation process, when the anti-throwing nets are arranged on two sides of the bridge, the rotary arm 21 can be jacked up through the lifting oil cylinder 3, so that the vertical arm 23 and the operation platform 25 at the end part of the rotary arm span the anti-throwing nets, and the phenomenon that the anti-throwing nets are too high to influence the operation is avoided.

Additionally, the utility model discloses a one side that slewing arm 21 was kept away from to support frame 5 is equipped with counter weight frame 4, has placed balancing weight 41 in the counter weight frame 4, the utility model discloses can adjust balancing weight 41's weight at will, make its operation requirement under the different work condition of satisfying.

The above embodiments are only preferred embodiments of the present invention, the structure of the present invention is not limited to the forms illustrated in the above embodiments, and any modifications, equivalent substitutions and the like made within the spirit and principle of the present invention should be included within the scope of the present invention.

Claims

1. A bridge construction mobile platform capable of crossing an anti-throwing net comprises a walking vehicle (1) and a truss assembly (2), wherein the truss assembly (2) comprises a rotary arm (21), a vertical arm (23) and an operation platform (25), the rotary arm (21) is connected to the walking vehicle through a first rotary mechanism, the vertical arm (23) is connected with one end, far away from the first rotary mechanism, of the rotary arm (21) through a turnover mechanism (22), the operation platform (25) is connected with the lower end of the vertical arm (23) through a second rotary mechanism (24), and the operation platform (25) is hinged to the second rotary mechanism (24); the method is characterized in that: first slewing mechanism upside is equipped with support frame (5), and slewing arm (21) one end is connected with support frame (5) upper end is articulated, still is connected with lift cylinder (3) between the middle part of slewing arm (21) and the first slewing mechanism, the cylinder body one end of lift cylinder (3) is connected with first slewing mechanism is articulated, and the flexible rod end and the position that slewing arm (21) downside leaned on the middle part of lift cylinder (3) are articulated to be connected, and the telescopic link of lift cylinder (3) stretches out or contracts and to make slewing arm (21) keep away from first slewing mechanism's one end lift or descend.

2. A bridge construction mobile platform that can span an anti-drop net according to claim 1, wherein: first slewing mechanism includes rotary platform (61), slewing bearing (62) and gyration hydro-cylinder (63), rotary platform (61) pass through rotatable connection of slewing bearing (62) on walking car (1), and the cylinder body one end and the articulated connection of walking car (1) of gyration hydro-cylinder (63), the flexible rod end of gyration hydro-cylinder (63) is connected with the side of gyration platform (61) is articulated, and the telescopic link of gyration hydro-cylinder (63) stretches out or the shrink can drive rotary platform (61) and rotate.

3. A bridge construction mobile platform capable of spanning an anti-throwing net according to any one of claims 1 or 2, wherein: one side of the support frame (5) far away from the rotary arm (21) is provided with a counterweight frame (4), and a counterweight block (41) is placed in the counterweight frame (4).