CN114572098A - Bridge transport vehicle - Google Patents

Abstract

The invention discloses a bridge transport vehicle, mainly relating to the technical field of road and bridge construction equipment, comprising a tractor, a semitrailer and a rapid gun vehicle, wherein the semitrailer is provided with a movable turntable, a rotatable hydraulic telescopic device is arranged above a transport vehicle body, a bridge bearing base is arranged above the rotatable hydraulic telescopic device, a balance detection device is arranged inside the bridge bearing base, a slide rail is arranged above the inside of the bridge bearing base, a gravity detection device is arranged inside the slide rail, two ends of the bridge bearing base are provided with bridge fixing devices, a walking trolley is arranged on the track, a rotating mechanism is arranged on the walking trolley, one end of a hydraulic control device is hinged with a longitudinal moving platform through a rotating frame, the other end of the hydraulic control device is hinged with the longitudinal moving platform through a head raising oil cylinder, the extending distance of the bridge is adjusted through the movable turntable according to the working condition of the rapid gun vehicle, the height and the horizontal angle of a rail beam are adjusted, the consistency and the synchronism during steering are ensured, the large stability of the precast beam is ensured, and the transportation is completed.

Description

a bridge truck

technical field

The invention mainly relates to the technical field of road and bridge construction equipment, in particular to a bridge transport vehicle.

Background technique

The bridge transporter is a concrete beam transport machine specially designed for the erection of highway and railway bridges. It consists of three independent operating mechanisms (tractor, semi-trailer, and fast gun). The tractor is equipped with a diesel engine to provide driving force for the whole vehicle after deceleration, and the final drive is planetary gear transmission. Set hydraulic power steering and air brake functions. There are multiple forward and reverse gears. A single-cylinder diesel engine provides power for hydraulic steering. The bridge transport vehicle has the functions of transporting beams and feeding beams to the bridge erecting machine (the beams are transported under the gantry crane in the concrete girder yard and transported to the bridge erecting machine. In bridge construction sites, concrete beam fields, etc.

The existing bridge transport vehicle is easily subjected to eccentric force to generate torque when turning, causing the prefabricated beam to become unstable or overturned, and the overturning accident of the prefabricated beam on the beam transporter. When passing, the wing plate breaks and the problem of overturning occurs.

SUMMARY OF THE INVENTION

In view of the deficiencies and defects existing in the prior art, the purpose of the present invention is to provide a bridge transport vehicle.

In order to solve the above-mentioned technical problems, the present invention adopts the following technical scheme: a bridge transport vehicle, including a tractor, a semi-trailer and a fast gun car, the semi-trailer is installed on the tractor, and a mobile turntable is arranged on the semi-trailer ;

The fast gun vehicle includes a transport body, a slide rail and a gravity detection device. A rotatable hydraulic expansion device is arranged above the transport body, and a bridge bearing base is arranged above the rotatable hydraulic expansion device. The bridge bearing base A balance detection device is arranged inside the bridge, the slide rail is installed above the inside of the bridge bearing base, the gravity detection device is installed inside the slide rail, and bridge fixing devices are provided at both ends of the bridge bearing base, and the bridge The inner side of the fixing device is provided with a vibration damping device;

The moving turntable includes a track, a traveling trolley is arranged on the track, a rotating mechanism is arranged on the traveling trolley, and a hydraulic control device is arranged on the rotating mechanism. Fixed hinged, the other end is fixedly hinged with the longitudinal moving platform through the head-up oil cylinder.

As a further improvement of the present invention, a transmission motor is arranged inside the transport body, a gear box is arranged below the transmission motor, a transmission shaft is arranged on the gear box, and both ends of the transmission shaft are connected with the tires.

As a further improvement of the present invention, a reinforced baffle is arranged above the tire, and the warning tail light is installed on the reinforced baffle.

As a further improvement of the present invention, a monitoring camera is set above the transport body,

As a further improvement of the present invention, the rotating mechanism is braked by a bidirectional drive motor.

As a further improvement of the present invention, a front limiter and a rear limiter are respectively provided at the front end and the end of the rail.

Compared with the prior art, the present invention has the beneficial effects as follows: in the present invention, according to the working conditions of the rapid-fire car, the forward extension distance of the bridge is adjusted by moving the turntable, and the height and horizontal angle of the rail beam are adjusted to ensure that the steering wheel is turned. The consistency and synchronization of the prefabricated beams ensure the stability of the prefabricated beams and complete the transportation.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments:

Fig. 1 is the structural representation of a kind of bridge transport vehicle of the present invention;

Fig. 2 is the side view of the fast gun car of the present invention;

Fig. 3 is the structural representation of the mobile turntable of the present invention;

In the picture: 1 tractor, 2 semi-trailer, 3 fast gun car, 4 mobile turntable, 5 transport body, 6 surveillance cameras, 7 steel baffles, 8 tires, 9 transmission motors, 10 gearboxes, 11 transmission shafts, 12 warnings Tail light, 13 slide rail, 14 vibration damping device, 15 rotatable hydraulic expansion device, 16 balance detection device, 17 gravity detection device, 18 bridge fixing device, 19 bridge bearing base, 20 track, 21 walking trolley, 22 hydraulic control device, 23 rotating frame, 24 head-up oil cylinder, 25 longitudinal moving platform, 26 rotating mechanism, 27 two-way drive motor.

Detailed ways

In order to make the technical solutions and beneficial effects of the present invention clearer, the present invention will be further described in detail below with reference to specific embodiments.

Referring to FIG. 1 , a bridge transport vehicle includes a tractor 1 , a semi-trailer 2 and a fast gun vehicle 3 . The semi-trailer 2 is mounted on the tractor 1 , and a moving turntable 4 is arranged on the semi-trailer 2 .

Referring to FIG. 2 , the fast gun vehicle 3 includes a transport body 5 , a slide rail 13 and a gravity detection device 17 . A rotatable hydraulic expansion device 15 is provided above the transport body 5 , and a rotatable hydraulic expansion device 15 is above the rotatable hydraulic expansion device 15 . A bridge bearing base 19 is provided, a balance detection device 16 is arranged inside the bridge bearing base 19 , the slide rail 13 is installed above the inside of the bridge bearing base 19 , and the gravity detection device 17 is installed inside the slide rail 13 , both ends of the bridge bearing base 19 are provided with bridge fixing devices 18 , and the inner side of the bridge fixing device 18 is provided with a vibration damping device 14 .

Referring to FIG. 3 , the moving turntable 4 includes a track 20 on which a traveling trolley 21 is provided, and a rotating mechanism 26 is provided on the traveling trolley 21 , and the hydraulic control device 22 is provided on the rotating mechanism 26 . One end of the hydraulic control device 22 is fixedly hinged with the longitudinal shifting platform 25 through the rotating frame 23, and the other end is fixedly hinged with the longitudinal shifting platform 25 through the head-up oil cylinder 24. The front end and the end of the device are respectively set with a front limiter and a rear limiter.

A transmission motor 9 is arranged inside the transport body 5 , and a gear box 10 is arranged below the transmission motor 9 . A steel baffle 7 is arranged above the tire 8 , and a warning tail light 12 is installed on the steel baffle 7 .

In the present invention, the bridge is placed on the semi-trailer 2 and the fast gun car 3 by the tower crane, the bridge bearing base 19 on the fast gun car 3 is loaded, the bridge is fixed by the bridge fixing device 18, the gravity detection device 17 and the balance detection device The device 16 detects in real time, and the transmission motor 9 starts to drive the gearbox 10 to rotate, thereby driving the transmission shaft 11 to rotate, driving the tire 8 to move forward, and the vibration damping device 14 reduces the shaking of the bridge during the moving process. At the same time, the warning tail light 12 reminds the surrounding work in real time. Personnel, a monitoring camera 6 is arranged above the transport body 5, and the monitoring camera 6 monitors in real time.

The moving turntable 4 on the semi-trailer 2 carries the bridge, the walking trolley 21 moves back and forth on the track 20, adjusts the distance between the front and rear of the bridge, and adjusts the horizontal angle of the bridge through the rotating mechanism 26 to maintain balance. The longitudinal shifting platform 25 is fixedly hinged, and the other end is fixedly hinged with the longitudinal shifting platform 25 through the head-up cylinder 24. By increasing the lower of the head-up cylinder 24, the vertical angle of the bridge is adjusted, and the height and horizontal angle of the rail beam are adjusted according to the working conditions. , the forward extension distance, so as to ensure the consistency and synchronization when turning, ensure the stability of the prefabricated beam, and complete the transportation.

It should be understood that the specific embodiments described herein are only used to understand the present invention, but not to limit the present invention. All other embodiments obtained by those of ordinary skill in the art without creative work are all protected by the present invention. range.

Claims (6)

1. A bridge transport vehicle is characterized in that: comprising a tractor (1), a semi-trailer (2) and a fast gun vehicle (3), the semi-trailer (2) is installed on the tractor (1), The semi-trailer (2) is provided with a moving turntable (4); The fast gun vehicle (3) comprises a transport body (5), a slide rail (13) and a gravity detection device (17), a rotatable hydraulic expansion device (15) is provided above the transport body (5), and the A bridge bearing base (19) is arranged above the rotatable hydraulic expansion device (15), a balance detection device (16) is arranged inside the bridge bearing base (19), and the slide rail (13) is installed on the bridge bearing base Above the interior of (19), the gravity detection device (17) is installed inside the slide rail (13), and bridge fixing devices (18) are provided at both ends of the bridge bearing base (19), and the bridge fixing device The inner side of (18) is provided with a vibration damping device (14); The moving turntable (4) includes a track (20), a traveling trolley (21) is arranged on the track (20), a rotating mechanism (26) is arranged on the traveling trolley (21), and a hydraulic control device ( 22) is arranged on the rotating mechanism (26), one end of the hydraulic control device (22) is fixedly and hingedly connected to the longitudinal moving platform (25) through the rotating frame (23), and the other end is connected to the longitudinal moving platform (25) through the head-up oil cylinder (24) ) fixed hinge. 2. A bridge transport vehicle according to claim 1, characterized in that: a transmission motor (9) is arranged inside the transport body (5), and a gear box (10) is arranged below the transmission motor (9). ), the gear box (10) is provided with a transmission shaft (11), and both ends of the transmission shaft (11) are connected with the tires (8). 3. A bridge transport vehicle according to claim 2, characterized in that: a steel bar baffle (7) is arranged above the tire (8), and a warning tail light (12) is installed on the steel bar baffle (7) . 4 . The bridge transport vehicle according to claim 1 , wherein a monitoring camera ( 6 ) is arranged above the transport body ( 5 ). 5 . 5 . The bridge transport vehicle according to claim 1 , wherein the rotating mechanism ( 26 ) is braked by a bidirectional drive motor ( 27 ). 6 . 6 . The bridge transport vehicle according to claim 1 , wherein a front limiter and a rear limiter are respectively provided at the front end and the end of the track ( 20 ). 7 .

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