Novel AGV for automobile chassis assembly line

Abstract

The invention provides a novel AGV (Automatic Guided Vehicle) for an automobile chassis assembly line, relates to the technical field of AGV transportation, and solves the problems that a steel structure and conveying equipment need to be built for conveying an automobile chassis, so that the construction cost is high; the device comprises a frame body, driving mechanisms, swing mechanisms, a lifting appliance and an electric control mechanism, the driving mechanisms are arranged at the four corners of the frame body, the swing mechanisms are arranged between the driving mechanism located on one side of the frame body and the frame body, the lifting appliance is arranged between the frame body, and the electric control mechanism is arranged between the lifting appliance and the frame body. The electric control mechanism is connected with the driving mechanism and the hanger. The device can adapt to the situation that the ground is uneven; an air supply system, a lighting system and industrial control integration are carried, a steel structure does not need to be installed, meanwhile, the requirement for plant loads is avoided, the steel structure cost and plant construction cost can be reduced, and the site construction period can be shortened; in addition, the conveying mode has high flexibility, and great convenience is provided for later line reconstruction.

Description

Technical Field

[0001] The present invention relates to the field of AGV transportation technology, and in particular to a new AGV used in an automobile chassis assembly line. Background Art

[0002] Existing automobile chassis assembly lines often use friction slings or EMS slings for transportation. This transportation method requires the construction of a running track in the air through a steel structure, and the arrangement of a friction drive or power supply system on the track. The friction drive or power supply system provides power to drive the sling and the car body to run along the fixed aerial track to complete the assembly of the automobile chassis.

[0003] The existing automobile chassis assembly line - friction lifter or EMS lifter, the transportation form requires the construction of steel structure throughout the whole process, and has high requirements on the reconstruction and elevation of the factory building, resulting in high civil engineering and equipment costs; the existing chassis transportation form has a long on-site construction period; once the existing transportation form is built, the line will be difficult to move or modify in the future. Summary of the invention

[0004] To this end, the present invention provides a new AGV for an automobile chassis assembly line, which is used to solve the problem that the transportation of automobile chassis requires the construction of steel structures and transportation equipment, resulting in high construction costs; and the route is difficult to move and transform in the later stage.

[0005] In order to achieve the above-mentioned object, the present invention provides the following technical solution: a new AGV for an automobile chassis assembly line, comprising: a frame body, the frame body being configured as a rectangular frame, and a plurality of support rods being arranged in the frame body;

[0006] A driving mechanism, wherein the driving mechanism is arranged at four corners of the frame body;

[0007] A swing mechanism, the swing mechanism connecting the frame body and the driving mechanism;

[0008] A sling, the sling is arranged between the frame bodies, and the sling is fixedly connected to the support rod by bolts;

[0009] An electric control mechanism, the electric control mechanism comprising a battery and a control panel, the control panel being built in a control box, the control box being arranged on the side of the frame body; the battery being electrically connected to the drive mechanism and the control panel;

[0010] Among them, the driving mechanism includes a first driving group, a second driving group, a third driving group and a fourth driving group; the first driving group, the second driving group, the third driving seat and the fourth driving group have the same composition; the frame body and the crossbeam are connected by anti-bending force arms, and the anti-bending force arms are provided with at least two groups; the anti-bending force arms include a conduction frame and a plurality of universal ball bearings, the universal ball bearings are provided through the transmission frame, and the spherical surface of the universal ball bearings fits the frame body.

[0011] Preferably, the first drive group, the second drive group, the third drive group and the fourth drive group are provided with a base AGV and a supporting column, and one end of the supporting column is vertically connected and fixed to the top of the base AGV.

[0012] Preferably, a driving unit is arranged inside the base AGV, a protective radar is arranged on the side of the base AGV; and an obstacle-clearing brush is arranged on the bottom outside the base AGV.

[0013] Preferably, the support column of the first drive group is provided with an HMI panel.

[0014] Preferably, an emergency stop button is provided on one side of the support column, and an indicator light is provided above the emergency stop button.

[0015] Preferably, the swing mechanism is provided with an adjusting shaft.

[0016] Preferably, the sling is provided with at least four placing hooks, and the placing hooks are arranged at the bottom of the frame body.

[0017] Preferably, an industrial control integrated machine is symmetrically arranged on the outer side of the frame body.

[0018] Preferably, an air supply device and a lighting device are provided on the inner side of the frame body, and the lighting device is provided above the air supply device.

[0019] Preferably, a new type of AGV application method for an automobile chassis assembly line is provided, wherein a plurality of support rods are installed inside the frame body so that the frame body and the support rods are in a "well" shape;

[0020] The sling is arranged between the frame bodies, and a hollowed-out middle portion formed by the support rods is arranged, the sling and the support rods are connected and fixed with bolts, and the vehicle body is supported between the lower portion of the frame body and the driving mechanism by the sling;

[0021] A first drive group, a second drive group, a third drive group and a fourth drive group are arranged at the four corners of the frame body, a spacing is left between the first drive group, the second drive group and the frame body, the first drive group and the second drive group are connected and fixed by a crossbeam, and a swing mechanism is arranged at the center position between the crossbeam and the frame body;

[0022] If the ground is uneven, the first drive group or the second drive group will produce a height difference during the passage, and the crossbeam will perform a lever movement with the swing mechanism as the base point to ensure that the frame body and the ground are kept level;

[0023] Anti-bending force arms are arranged at both ends of the frame body and the crossbeam. If the first drive group and / or the second drive group collides during the movement, the swing mechanism is subject to resistance. The power transmission of different axes is achieved by using ball-type connections through the plurality of universal ball bearings arranged in the anti-bending force arms, thereby reducing the resistance encountered by the swing mechanism.

[0024] This application adopts the above technical solution, which has at least the following beneficial effects:

[0025] This equipment does not require the installation of steel structure, and at the same time, has no requirements for plant load, which can reduce steel structure costs, plant construction costs and on-site construction period; in addition, this transportation form has greater flexibility, providing great convenience for later line modifications.

[0026] It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0028] Figure 1 It is a structural schematic diagram provided by an embodiment of the present invention;

[0029] Figure 2 It is a structural schematic diagram provided by an embodiment of the present invention;

[0030] Figure 3 is a schematic diagram of the bottom structure provided by an embodiment of the present invention;

[0031] Figure 4 is a schematic structural diagram of a swing mechanism provided by an embodiment of the present invention;

[0032] Figure 5is a schematic diagram of the anti-bending lever arm structure provided by an embodiment of the present invention;

[0033] In the figure: 1. Frame body; 2. Support rod; 3. First drive group; 4. Second drive group; 5. Third drive group; 6. Fourth drive group; 7. Crossbeam; 8. Swing mechanism; 9. Hoist; 10. Battery; 11. Control box; 12. Base AGV; 13. Support column; 14. Anti-bending force arm; 15. Industrial control all-in-one machine; 16. Air supply equipment; 17. Lighting equipment; 81. Adjustment shaft; 91. Placement of hook; 121. Drive unit; 122. Protection radar; 123. Obstacle removal brush; 131. HMI panel; 132. Emergency stop button; 133. Indicator light; 141. Conduction frame; 142. Universal ball bearing; A. Floating space. DETAILED DESCRIPTION

[0034] To make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other implementation methods obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0035] The specific embodiment of the present invention provides a new type of AGV for automobile chassis assembly line, combined with the attached Figure 1-3 As shown, it mainly includes a frame body 1, a driving mechanism, a swing mechanism 8, a sling 9 and an electric control mechanism; the frame body 1 is set as a rectangular frame, and a plurality of support rods 2 are arranged in the frame body 1 and spliced ​​into a "well" shape, and the hollow position thereof is used for the installation of various types of equipment; the driving mechanism includes a first driving group 3, a second driving group 4, a third driving group 5 and a fourth driving group 6, and the first driving group 3, the second driving group 4, the third driving group 5 and the fourth driving group 6 are arranged at the four corners of the frame body 1, and the first driving group 3 and the second driving group 4 are connected by a crossbeam 7; the swing mechanism 8 is arranged at the center position between the frame body 1 and the crossbeam 7, and the moving mechanism is bolted and fixed to the frame body 1 and the crossbeam 7; the sling 9 is arranged between the frame body 1, and the sling 9 is bolted and fixed to the support rod 2; the electric control mechanism includes a battery 10 and a control panel, and the control panel is built in a control box 11, and the control box 11 is arranged on the side of the frame body 1; the battery 10 is electrically connected to the driving mechanism and the control panel.

[0036] Specifically, the first drive group 3, the second drive group 4, the third drive group 5 and the fourth drive group 6 are all provided with a base AGV 12 and a supporting column 13. The base AGV 12 is provided with a driving unit 121, a protective radar 122 and an obstacle-clearing brush 123. The driving unit 121 is arranged at the bottom inside the base AGV 12 and in contact with the ground, and can drive the equipment to move and turn; the protective radar 122 is arranged on the outer side of the base AGV 12, and can receive the position information of the road surface or objects within the detectable range. The information can be transmitted to the control panel through electrical signals for system processing, and the processed information is transmitted to the base AGV 12 through electrical signals to avoid collision of the base AGV 12 during movement or turning; the obstacle-clearing brush 123 is arranged at the bottom outside the base AGV 12, and can clean up road impurities during the movement of the base AGV 12 to avoid impurities being drawn into the driving unit 121 and causing unsmooth driving.

[0037] Specifically, the support column 13 and the top of the base AGV 12 are vertically connected and fixed, and an emergency stop button 132 and an indicator light 133 are provided on one side of the support column 13, and the indicator light 133 is provided above the emergency stop button 132; the emergency stop button 132 can be used to stop the operation of the base AGV 12 in an emergency, and the indicator light 133 displays the operating status of the base AGV 12 through different bright colors. If the indicator light 133 displays blue, it means that the base AGV 12 is operating normally and without faults. If the indicator light 133 displays red, it means that the base AGV 12 is operating abnormally and has faults, and the emergency stop button 132 needs to be activated to stop the operation of the base AGV 12 and carry out maintenance; an HMI panel 131 is provided on the support column 13 of the third drive group 5, and the HMI panel 131 adopts a touch panel, which is used to display the real-time status of the equipment operation and can realize touch operation.

[0038] Specifically, Figure 4 and Figure 5 As shown, the support columns 13 of the first drive group 3 and the second drive group 4 are arranged on the same side of the bottom of the frame body 1 and are connected by a cross beam 7. A swing mechanism 8 is arranged at the center position between the cross beam 7 and the cross bar on the side of the frame body 1. A floating space A is arranged between the tops of the two support columns 13 and the bottom of the frame body 1. The cross bar 7 performs lever motion with the swing mechanism 8 as the base point. The support columns 13 of the first drive group 3 and the second drive group 4 at both ends of the cross bar 7 can float up and down. When the base AGV encounters an uneven road surface, a height difference is generated during the movement. The support columns 13 move up or down to drive the cross bar 7. The cross bar 7 realizes deflection with the swing mechanism 8 as the base point, so as to ensure that the frame body 1 remains parallel to the ground.

[0039] Specifically, Figure 5As shown, two sets of anti-bending force arms 14 are provided at both ends of the frame body 1 and the cross bar 7. In this embodiment, the anti-bending force arms 14 include a conduction frame 141 and a plurality of universal ball bearings 142. The conduction frame 141 is divided into an upper part and a lower part, wherein the upper part is provided as a cubic hollow frame, the side of the frame body 1 is provided in the cubic hollow frame, the universal ball bearings 142 penetrate the cubic hollow frame, and the spherical surface of the universal ball bearings 142 is closely attached to the side of the frame body 1; the lower part of the conduction frame 141 is bolted and fixed to the cross bar 7; if a collision occurs during the movement of the base AGV 12, resistance is transmitted from the supporting column to the frame body 1. If the frame body 1 is subjected to this resistance, the adjusting shaft 81 of the swing mechanism will be affected. Therefore, the resistance is transmitted to the cross beam 7 through the universal ball bearings 142 of the conduction frame 141, thereby reducing the resistance of the shaft 81 of the swing mechanism 8 and improving the durability of the equipment.

[0040] Specifically, industrial control all-in-one computers 15 are symmetrically arranged on both sides of the frame body 1. The industrial control all-in-one computer 15 is connected to the control panel, the sling 9, the air supply equipment 16 and the lighting equipment 17, and is used to control the start and stop of each device through software, display real-time information, etc.; the industrial control all-in-one computer 15 adopts a vertically descending setting, which is convenient for workers at the workstation to observe and operate; the air supply equipment 16 and the lighting equipment 17 are arranged on the inner side of the frame body 1, and the lighting equipment 17 is arranged above the air supply equipment 16, respectively providing air supply and lighting for the workstation.

[0041] The application method and advantages of the solution of this embodiment are:

[0042] After receiving the moving instruction, the control panel drives the first drive group 3, the second drive group 4, the third drive group 5 and the fourth drive group 6 to move. One side of the first drive group 3 and the second drive group 4 is set to the forward direction, and moves to the vehicle body. After the vehicle body is grabbed by the placement hook 91 of the sling 9, the first drive group 3, the second drive group 4, the third drive group 5 and the fourth drive group 6 move. If the ground is uneven, the first drive group 3 or the second drive group 4 will have a height difference during the passing process, and the crossbeam 7 will perform a lever movement with the adjustment shaft 81 of the swing mechanism 8 as the base point to ensure that the frame body 1 and the ground are kept level;

[0043] If the first drive group 3 and / or the second drive group 4 collide during the movement, the swing mechanism 7 is subjected to resistance, which will affect the sensitivity of the adjustment shaft 81. In this way, the power transmission of different axes is realized by using a ball-type connection through a plurality of universal ball bearings 142 arranged in the anti-bending force arm 14, thereby reducing the resistance of the swing mechanism 7 and greatly improving the durability of the equipment.

[0044] After the driving mechanism moves the frame body 1 to the work station, the construction personnel can start the vehicle body construction work through the industrial control integrated machine 15, and can also start the air supply equipment 16 and the lighting equipment 17, so as to ensure the construction environment and improve the construction efficiency.

[0045] The equipment in this embodiment is a new type of conveying carrier proposed for the automobile chassis assembly line. The AGV has a novel structure and is composed of four groups of driven support columns and a top frame, and is equipped with a sling for conveying the car body. The two groups of support columns of the AGV are connected to the swing structure, and can swing around the hinge relative to the top frame as a whole to adapt to the uneven ground. It is also equipped with an air supply system, a lighting system and an industrial control all-in-one machine. The equipment does not require the installation of a steel structure and has no requirements for the plant load, which can reduce the steel structure cost, the plant construction cost and the on-site construction period. In addition, the conveying form has greater flexibility, which provides great convenience for later line reconstruction.

[0046] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A new type of AGV for automobile chassis assembly line, characterized in that: include: A frame body (1), wherein the frame body (1) is configured as a rectangular frame, and a plurality of support rods (2) are disposed inside the frame body (1); A driving mechanism, the driving mechanism comprising a first driving group (3), a second driving group (4), a third driving group (5) and a fourth driving group (6), the first driving group (3), the second driving group (4), the third driving group (5) and the fourth driving group (6) being arranged at four corners of the frame body (1), and the first driving group (3) and the second driving group (4) being connected via a crossbeam (7); A swing mechanism (8), wherein the swing mechanism (8) is arranged at a central position between the frame body (1) and the cross beam (7), and the moving mechanism is fixedly connected to the frame body (1) and the cross beam (7) by bolts; A sling (9), wherein the sling (9) is arranged between the frame bodies (1), and the sling (9) and the support rod (2) are connected and fixed by bolts; An electric control mechanism, the electric control mechanism comprising a battery (10) and a control panel, the control panel being built into a control box (11), the control box (11) being arranged on a side of the frame body (1); the battery (10) being electrically connected to the drive mechanism and the control panel; A spacing is provided between the first drive group (3), the second drive group (4) and the frame body (1), and the crossbeam (7) can perform lever motion with the swing mechanism (8) as a base point; the frame body (1) and the crossbeam (7) are connected via a bending resistance arm (14), and at least two groups of the bending resistance arm (14) are provided; the bending resistance arm (14) comprises a transmission frame (141) and a plurality of universal ball bearings (142), the universal ball bearings (142) are provided through the transmission frame (141), and the spherical surface of the universal ball bearing (142) fits the frame body (1).

2. The new AGV for automobile chassis assembly line according to claim 1 is characterized by: The first drive group (3), the second drive group (4), the third drive group (5) and the fourth drive group (6) are provided with a base AGV (12) and a support column (13), and one end of the support column (13) is vertically connected and fixed to the top of the base AGV (12).

3. The new AGV for automobile chassis assembly line according to claim 2 is characterized in that: A driving unit (121) is arranged inside the base AGV (12), a protective radar (122) is arranged on the side of the base AGV (12), and an obstacle-clearing brush (123) is arranged on the outer bottom of the base AGV (12).

4. The new AGV for automobile chassis assembly line according to claim 3 is characterized by: The support column (13) of the third drive group (5) is provided with an HMI panel (131).

5. The new AGV for automobile chassis assembly line according to claim 2 is characterized in that: On one side of the support column (13), there is an emergency stop button (132) and an indicator light (133), and the indicator light (133) is arranged above the emergency stop button (132).

6. A novel AGV for an automobile chassis assembly line according to claim 1, characterized in that: The swing mechanism (8) is provided with an adjustment rotating shaft (81).

7. A novel AGV for an automobile chassis assembly line according to claim 1, characterized in that: The spreader (9) is provided with at least four placement hook claws (91), and the placement hook claws (91) are arranged at the bottom of the frame body (1).

8. A novel AGV for an automobile chassis assembly line according to claim 1, characterized in that: Industrial personal computers (15) are symmetrically arranged on the outer sides of the frame body (1).

9. A novel AGV for an automobile chassis assembly line according to claim 1, characterized in that: An air supply device (16) and a lighting device (17) are arranged on the inner sides of the frame body (1), and the lighting device (17) is arranged above the air supply device (16).

10. An application method of the new AGV for automobile chassis assembly line according to claim 1, characterized in that: The steps of the method include: Install a number of support rods (2) inside the frame body (1) so that the frame body (1) and the support rods (2) form a "well" shape; Arrange the spreader (9) between the frame bodies (1), in the hollow part in the middle of the "well" formed by the support rods (2). The spreader (9) and the support rods (2) are bolted and fixed, and the body is supported by the spreader (9) between the lower part of the frame body (1) and the driving mechanism; Arrange a first driving group (3), a second driving group (4), a third driving group (5) and a fourth driving group (6) at the four corners of the frame body (1). There is a gap between the first driving group (3), the second driving group (4) and the frame body. The first driving group (3) and the second driving group (4) are connected and fixed by a cross beam (7), and a swing mechanism (8) is arranged at the central position between the cross beam (7) and the frame body (1); If the ground is uneven and there is a height difference when the first driving group (3) or the second driving group (4) passes through, the cross beam (7) makes a lever movement with the swing mechanism (8) as the fulcrum to ensure that the frame body (1) is level with the ground; Anti-bending force arms (14) are arranged at both ends of the frame body (1) and the cross beam (7). If the first driving group (3) and / or the second driving group (4) collide during the movement process, the swing mechanism (7) is subjected to resistance. Through a number of the universal ball bearings (142) arranged in the anti-bending force arms (14), the power transmission of different axes is realized by spherical connection to reduce the resistance received by the swing mechanism (7).

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