Primary-secondary vehicle structure for transporting box culvert

Abstract

The utility model discloses a primary-secondary trolley structure for conveying a box culvert. A box culvert mold is conveyed into and out of a curing kiln. Comprising a primary trolley and a secondary trolley, a mother vehicle track is arranged below the mother vehicle, and the mother vehicle can horizontally move along the mother vehicle track; four sub-rails are arranged on the top surface of the main vehicle in the direction perpendicular to the main vehicle rail, and the four sub-rails are arranged in parallel; the two secondary vehicles are arranged at the top of the primary vehicle; traveling wheels are mounted at the bottom of the secondary trolley; each sub-vehicle is mounted on the two sub-rails; the two sub-vehicles synchronously move along the sub-tracks; a driving device and a braking device are arranged on the sub-vehicle; the driving device can independently drive the sub-vehicle to move; an auxiliary track is laid on the ground entering the curing kiln, the auxiliary track is flush with the sub-track, the sub-vehicle is driven by a driving device to enter the auxiliary track, and the auxiliary track extends to the bottom of the box culvert mold in the curing kiln; a lifting device for conveying a box culvert mold is arranged on the sub-vehicle; the transportation problem of the box culvert mold is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of an integral prefabricated box culvert production system, and particularly relates to a mother-and-child vehicle structure for transporting a box culvert. Background Art

[0002] At present, the production process of integral prefabricated box culverts for shield tunnels in China is highly automated, and the automated production system and production method with independent maintenance conditions have improved the mechanization and technological level of prefabricated box culvert production, reduced labor input, improved labor productivity, and stabilized and improved product quality to a certain extent. However, due to the large size of box culvert products, it is more difficult to transport, and it relies on hydraulic cylinders, thrusters and rollers to move on the casting production line, requiring multiple small-scale starts and stops, requiring high system control accuracy, and the inertia during movement and stopping has a certain impact on the quality of the finished product of the integral prefabricated box culvert, and the improvement of construction efficiency is limited. Utility Model Content

[0003] The utility model provides a mother-and-child vehicle structure for transporting a box culvert, aiming at solving the problem of transporting a box culvert mould.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a mother-and-child car structure for transporting box culverts, which transports box culvert molds in and out of a curing kiln; it includes a mother car and a child car; a mother car track is arranged under the mother car, and a track roller is arranged under the mother car; the track roller is rollingly connected to the mother car track and can move horizontally along the mother car track; four sub-tracks are arranged on the top surface of the mother car and in a direction perpendicular to the mother car track, and the four sub-tracks are arranged in parallel; there are two sub-carts, both of which are arranged on the top of the mother car; running wheels are installed at the bottom of the sub-cart; each sub-cart is installed on two sub-tracks; the two sub-carts move synchronously along the sub-tracks; a driving device and a braking device are arranged on the sub-cart; the driving device can drive the sub-cart to move alone; a sub-track is laid on the ground entering the curing kiln, the sub-track is flush with the sub-track, the sub-cart is driven by the driving device to enter the sub-track, and the sub-track extends to the bottom of the box culvert mold in the curing kiln; a lifting device is arranged on the sub-cart.

[0005] Furthermore, a distance is left between the two sub-carriages; a storage battery is arranged on the mother car between the two sub-carriages, and the storage battery is electrically connected to the mother car.

[0006] Furthermore, the lifting device includes a hydraulic cylinder, and a groove is provided on each sub-trolley near the corner position, and the hydraulic cylinder is arranged in the groove.

[0007] Furthermore, the mother vehicle is positioned by an RFID sensor; the child vehicle is positioned by a laser ranging sensor; and the braking device adopts a power-loss brake.

[0008] Furthermore, at least three sets of track rollers are arranged on the mother vehicle, and at least one set of track rollers is arranged between the two sub-vehicles.

[0009] Furthermore, a driving motor is connected to the track rollers at both ends of the mother vehicle.

[0010] Furthermore, the mother vehicle is provided with a driving structure for controlling the movement of the mother vehicle, and there are two driving structures, which are respectively arranged at two ends of the mother vehicle.

[0011] Compared with the prior art, the beneficial effects of the utility model are: through the operation mode of one mother vehicle + two sub-vehicles, dual-line synchronous operation is realized, while controlling the smooth operation of the vehicle, precise positioning is achieved through sensors, thereby improving the accuracy and stability of mold transportation and improving the operation efficiency of the production line. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a side structural schematic diagram of the sub-trolley and mother-trolley combination of the utility model.

[0013] Figure 2 The utility model is a schematic diagram of the structure of the sub-carriage and the mother car combination viewed from above.

[0014] Figure 3 It is a schematic diagram of the top view of the structure of the sub-vehicle running wheel connected to the sub-track of the utility model.

[0015] Description of the drawings: 1. Mother vehicle; 2. Track roller; 3. Mother vehicle track; 4. Sub-vehicle; 4.1. Groove; 5. Travel wheel; 6. Sub-track; 7. Driving device; 8. Braking device; 9. Auxiliary track; 10. Lifting device; 11. Battery; 12. Driving structure; 13. Driving motor. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings of the specification to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] In the description of this patent, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing this patent and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this patent.

[0018] In conjunction with the accompanying drawings, the utility model is a mother-and-child vehicle structure for transporting box culverts, which transports box culvert molds in and out of a curing kiln; it includes a mother vehicle 1 and a child vehicle 4; a mother vehicle track 3 is arranged below the mother vehicle 1, and a track roller 2 is arranged below the mother vehicle 1; the track roller 2 is rollingly connected to the mother vehicle track 3 and can move horizontally along the mother vehicle track 3; four child tracks 6 are arranged on the top surface of the mother vehicle 1 and in a direction perpendicular to the mother vehicle track 3, and the four child tracks 6 are arranged in parallel; there are two child vehicles 4, both of which are arranged on the top of the mother vehicle 1; a There are running wheels 5; each sub-trolley 4 is installed on two sub-tracks 6; the two sub-trolleys 4 move synchronously along the sub-tracks 6; the sub-trolley 4 is provided with a driving device 7 and a braking device 8; the driving device 7 can drive the sub-trolley 4 to move alone; a sub-track 9 is laid on the ground entering the curing kiln, the sub-track 9 is flush with the sub-track 6, and the sub-trolley 4 is driven by the driving device 7 to enter the sub-track 9, and the sub-track 9 extends to the bottom of the box culvert mold in the curing kiln; the sub-trolley 4 is provided with a lifting device 10 for transporting the box culvert mold. The mother car drives the sub-trolley to move on the mother car track. When the mother car is transported to the outside of the curing kiln, the sub-trolley is aligned with the sub-track on the ground of the curing kiln, and the driving device 7 of the sub-trolley is started to drive the sub-trolley to move into the curing kiln, and the box culvert mold is lifted by starting the lifting device to drive the box culvert mold to move.

[0019] There is a gap between the two sub-carriages 4 ; a battery 11 is provided on the mother car 1 between the two sub-carriages 4 , and the battery 11 is electrically connected to the mother car 1 .

[0020] The lifting device 10 includes a hydraulic cylinder. A groove is provided on each sub-trolley 4 near the corner position, and the hydraulic cylinder is arranged in the groove. When the box culvert mold is transported, the hydraulic cylinder extends out of the groove and supports the bottom of the box culvert mold. In the normal state, the hydraulic rod of the hydraulic cylinder is flush with the top surface of the sub-trolley.

[0021] The mother vehicle 1 is positioned by an RFID sensor; the sub-vehicle 4 is positioned by a laser distance sensor; the brake device 8 uses a power-off brake. The mother vehicle 1 also uses a power-off brake as a parking brake and an emergency brake, and the parking brake is an automatic brake. All power-off brakes are equipped with a manual release operating mechanism for use during maintenance.

[0022] At least three sets of track rollers 2 are arranged on the mother vehicle 1 , and at least one set of track rollers 2 is arranged between the two sub-vehicles 4 .

[0023] The mother vehicle 1 is connected to the track rollers 2 at both ends thereof with a driving motor.

[0024] The mother vehicle 1 is provided with a driving structure 12 for controlling the movement of the mother vehicle 1, and the driving structure 12 is two and is respectively provided at two ends of the mother vehicle 1. An indicator light is provided on the driving structure of the mother vehicle.

[0025] Safety devices are installed on both the mother and child vehicles. All mother and child vehicles on the track are equipped with electronic limit switches for end release, which are normally closed switches. When the switch is triggered once, the vehicle will immediately slow down and slide a certain distance to stop. Before the vehicle performs reverse operation, the current direction of the vehicle will be restricted.

[0026] All mother and child vehicles are equipped with yellow and green indicator lights at both ends. When the vehicle is in manual mode and driving at normal speed, the green light in the corresponding direction will flash. When running at a slow speed, the yellow light in the corresponding direction will flash. When the vehicle is in automatic mode, the red and green indicator lights in the vehicle's running direction are always on. In manual mode, you only need to operate the "start", "stop", "forward", "backward", "slow forward", "slow reverse" and other buttons to control the operation of the vehicle. Automatic

[0027] The mother vehicle and the child vehicle are both controlled by the controller control system; the controller control system is mainly composed of a wireless remote control, a spare handle, a speed knob, a manual-automatic switch, etc. After the vehicle start button in the controller is turned on, the buzzer will emit a "beep, beep, beep" warning sound. If the vehicle does not run within a certain period of time after the start button is turned on, the warning sound will automatically stop. After receiving the instruction of the running direction, the warning sound will automatically resume.

[0028] The battery provides power for the entire vehicle, the controller controls the vehicle's operating logic, the radar provides obstacle avoidance information for the rail flat car, and the RFID sensor and magnetic stripe sensor provide the vehicle's location.

[0029] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention, and any figure mark in the claims should not be regarded as limiting the claims involved.

Claims

1. A mother-and-child vehicle structure for transporting box culverts, which transports box culvert molds in and out of a curing kiln; characterized by: The invention comprises a mother vehicle (1) and a sub-vehicle (4); a mother vehicle track (3) is arranged below the mother vehicle (1), and a track roller (2) is arranged below the mother vehicle (1); the track roller (2) is connected to the mother vehicle track (3) in a rolling manner and can move horizontally along the mother vehicle track (3); four sub-tracks (6) are arranged on the top surface of the mother vehicle (1) and in a direction perpendicular to the mother vehicle track (3), and the four sub-tracks (6) are arranged in parallel; there are two sub-vehicles (4), both of which are arranged on the top of the mother vehicle (1); a walking wheel (5) is installed at the bottom of the sub-vehicle (4); each sub-vehicle (4) is installed on two sub-tracks (6). The invention relates to a method for preparing a curing kiln, wherein the two sub-carriages (4) are arranged on a track (6); two sub-carriages (4) move synchronously along the sub-track (6); the sub-carriage (4) is provided with a driving device (7) and a braking device (8); the driving device (7) can independently drive the sub-carriage (4) to move; a sub-track (9) is laid on the ground entering the curing kiln, the sub-track (9) is flush with the sub-track (6), the sub-carriage (4) is driven by the driving device (7) to enter the sub-track (9), and the sub-track (9) extends to the bottom of the box culvert mold in the curing kiln; the sub-carriage (4) is provided with a lifting device (10) for transporting the box culvert mold.

2. The mother-and-child vehicle structure for transporting a box culvert according to claim 1 is characterized in that: A spacing is left between the two sub-carts (4); a storage battery (11) is arranged on the mother car (1) between the two sub-carts (4), and the storage battery (11) is electrically connected to the mother car (1).

3. The mother-and-child vehicle structure for transporting a box culvert according to claim 1 is characterized in that: The lifting device (10) comprises a hydraulic cylinder. A groove (4.1) is provided on each sub-trolley (4) near a corner position, and the hydraulic cylinder is arranged in the groove (4.1).

4. The mother-and-child vehicle structure for transporting a box culvert according to claim 1 is characterized in that: The mother vehicle (1) is positioned by using an RFID sensor; the sub-vehicle (4) is positioned by using a laser distance measuring sensor; and the braking device (8) is a power-off brake.

5. The mother-and-child vehicle structure for transporting a box culvert according to claim 1 is characterized in that: At least three sets of track rollers (2) are arranged on the mother vehicle (1), and at least one set of track rollers (2) is arranged between the two sub-vehicles (4).

6. The mother-and-child vehicle structure for transporting a box culvert according to claim 5, characterized in that: A driving motor (13) is connected to the track rollers (2) at both ends of the mother vehicle (1).

7. The mother-and-child vehicle structure for transporting a box culvert according to claim 1, characterized in that: The mother vehicle (1) is provided with a driving structure (12) for controlling the movement of the mother vehicle (1), and there are two driving structures (12), which are respectively arranged at two end positions of the mother vehicle (1).

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