AGV trolley for stable transportation

Abstract

The utility model discloses an AGV trolley for stable transportation. The AGV trolley comprises a trolley body, a lifting mechanism, a protection mechanism and a charging mechanism. The lifting mechanism stably lifts a to-be-transported component in a multi-point mode, the trolley body stably transports the lifting mechanism, and the protection mechanism conducts edge limiting protection on the to-be-transported component on the lifting mechanism. And the charging mechanism is used for wirelessly charging the trolley body. According to the AGV trolley for stable transportation, multi-point stable lifting is conducted on the to-be-transported component through the lifting mechanism, so that the supporting requirement for the special bottom structure shape of the to-be-transported component is met, and good supporting stability is achieved; edge limiting protection can be carried out on the to-be-transported component by utilizing the protection mechanism, so that the to-be-transported component is prevented from sliding and being damaged in the transportation process, and the good transportation reliability is achieved; and the charging mechanism can be used for conveniently and wirelessly charging the trolley body in idle hours.

Description

Technical Field

[0001] The utility model relates to an AGV trolley, in particular to an AGV trolley used for stable transportation. Background Art

[0002] At present, during the inspection and maintenance of aircraft parts, it is often necessary to transfer a part from one maintenance hangar to another. The distance between the two maintenance hangars is about one kilometer, and the transportation road is not very flat. The existing practice is to use a small car for manual transportation. During the transportation process, personnel are required to follow and support to prevent the parts from slipping due to uneven road surface. This not only consumes manpower, but also has low stability. Summary of the invention

[0003] The utility model aims to provide an AGV trolley for smooth transportation, which can stably transport parts to be transported and has high transportation reliability.

[0004] Technical solution: The AGV trolley for smooth transportation described in the utility model includes a trolley body, a lifting mechanism, a protective mechanism and a charging mechanism; the lifting mechanism is detachably installed on the top of the trolley body, and the protective mechanism is installed at the edge of the lifting mechanism. The lifting mechanism performs multi-point stable lifting of the parts to be transported, the trolley body transports the lifting mechanism smoothly, and the protective mechanism performs edge limit protection on the parts to be transported on the lifting mechanism; the charging mechanism is used to wirelessly charge the trolley body.

[0005] Furthermore, the lifting mechanism includes a lifting platform and various supporting units; the supporting unit includes a supporting internal threaded tube, a lifting support screw and a lifting support block; the lower end of the supporting internal threaded tube of each supporting unit is vertically fixedly installed on the upper side surface of the lifting platform, and the lower end of each lifting support screw is threadedly screwed into the corresponding supporting internal threaded tube; the lifting support block is fixed on the upper end of the corresponding lifting support screw, and a lifting support pad is provided on the upper side surface of the lifting support block for anti-slip support of the lower side surface of the transported component.

[0006] Furthermore, the protection mechanism includes four protection units, each of which includes a telescopic drive motor, a telescopic drive screw, a telescopic drive tube and a C-shaped support frame; a strip support seat is arranged at the edges of the upper side surface of the lifting platform, and the telescopic drive tubes of the four protection units respectively and movably penetrate the four strip support seats horizontally, and the four telescopic drive tubes are distributed in a cross shape; driving internal threads are arranged in the four telescopic drive tubes, the telescopic drive screw is rotatably installed on the upper side surface of the lifting platform, and one end of the telescopic drive screw is screwed and installed with the corresponding driving internal thread; the telescopic drive motor is installed on the upper side of the lifting platform. On the side, it is used to rotationally drive the telescopic driving screw; the C-shaped support frames of the four protection units are respectively vertically arranged on the outer ends of the corresponding telescopic driving tubes, and strip adjustment holes are arranged on the upper and lower rods of the C-shaped support frames; sliding support blocks are slidably installed on the strip adjustment holes on the upper and lower sides, and adjustment locking screws extending out of the strip adjustment holes are arranged on the sliding support blocks, and hand nuts are threadedly installed on the adjustment locking screws; a protective bandage is connected between the two corresponding upper and lower sliding support blocks for flexibly blocking and protecting the edges of the transported parts; the telescopic driving motor is driven and controlled by the trolley body.

[0007] Furthermore, the vehicle body includes a vehicle body and a travel drive mechanism; an equipment compartment is provided in the vehicle body, and a bottom groove is provided at the bottom of the vehicle body; a main controller, a memory and a main wireless communication module are provided in the equipment compartment; the main controller is electrically connected to the memory and the main wireless communication module respectively; the travel drive mechanism is installed at the bottom groove, and the travel drive mechanism is driven and controlled by the main controller; the lifting mechanism is detachably installed on the top of the vehicle body through an L-shaped connecting plate and connecting mounting bolts.

[0008] Furthermore, the charging mechanism includes a charging control box, a walking base, a position sensor, a main wireless charging coil and a slave wireless charging coil; a battery and a slave wireless charging circuit are arranged in the equipment compartment; the slave wireless charging coil is arranged on the left and right sides of the vehicle body; the slave wireless charging coil is electrically connected to the battery through the slave wireless charging circuit; a slave controller, an electric control switch, a main wireless charging circuit and a slave wireless communication module are arranged in the charging control box, and the slave wireless communication module is wirelessly connected to the main wireless communication module; side mounting plates are vertically fixed on the left and right sides of the walking base; the main wireless charging coil is installed on the opposite sides of the two side mounting plates, the main wireless charging coil is electrically connected to the AC input through the main wireless charging circuit, and the electric control switch is connected in series between the main wireless charging circuit and the AC input; the position sensor is installed on the side mounting plate for detecting the position of the vehicle body; the slave controller is electrically connected to the position sensor, the electric control switch and the slave wireless communication module respectively.

[0009] Compared with the prior art, the utility model has the following beneficial effects: a lifting mechanism is used to lift the transported parts stably at multiple points, thereby meeting the special support requirements of the bottom structure shape of the transported parts and having better support stability; a protective mechanism can be used to limit the edges of the transported parts, thereby preventing them from sliding and being damaged during transportation and having better transportation reliability; a charging mechanism can be used to facilitate wireless charging of the trolley body during idle time. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the overall front structure of the utility model.

[0011] Figure 2 It is a left-side structural schematic diagram of the trolley body and the lifting mechanism of the utility model.

[0012] Figure 3 It is a partial cross-sectional structural schematic diagram of the trolley body of the utility model.

[0013] Figure 4 It is a front structural schematic diagram of the charging mechanism of the present utility model.

[0014] Figure 5 It is a schematic diagram of the top view of the charging mechanism of the utility model.

[0015] Figure 6 It is a schematic diagram of the circuit structure of the utility model. DETAILED DESCRIPTION

[0016] The technical solution of the utility model is described in detail below in conjunction with the accompanying drawings, but the protection scope of the utility model is not limited to the embodiments.

[0017] like Figure 1-6 As shown, the AGV trolley for smooth transportation disclosed by the utility model includes: a trolley body, a lifting mechanism, a protective mechanism and a charging mechanism; the lifting mechanism is detachably installed on the top of the trolley body, and the protective mechanism is installed at the edge of the lifting mechanism. The lifting mechanism performs multi-point stable lifting of the component 30 to be transported, the trolley body smoothly transports the lifting mechanism, and the protective mechanism performs edge limiting protection on the component 30 to be transported on the lifting mechanism; the charging mechanism is used to wirelessly charge the trolley body.

[0018] The lifting mechanism can be used to lift the transport component 30 stably at multiple points, thereby meeting the special support requirements of the bottom structure shape of the transport component 30 and having good support stability; the protection mechanism can be used to provide edge limit protection for the transport component 30, thereby preventing sliding damage during transportation and having good transportation reliability; the charging mechanism can facilitate wireless charging of the trolley body during idle time.

[0019] Furthermore, the lifting mechanism includes a lifting platform 7 and various supporting units; the supporting unit includes a supporting internal threaded tube 18, a lifting support screw 19 and a lifting support block 20; the lower end of the supporting internal threaded tube 18 of each supporting unit is vertically fixedly installed on the upper side surface of the lifting platform 7, and the lower end of each lifting support screw 19 is threadedly screwed into the corresponding supporting internal threaded tube 18; the lifting support block 20 is fixed on the upper end of the corresponding lifting support screw 19, and a lifting support pad 21 is provided on the upper side surface of the lifting support block 20, which is used to provide anti-slip support for the lower side surface of the transport component 30.

[0020] The height of the support point can be adjusted by utilizing the cooperation between the lifting support screw rod 19 and the supporting internal threaded tube 18, thereby meeting the support requirements of different heights at different positions.

[0021] Furthermore, the protection mechanism includes four protection units, each of which includes a telescopic drive motor 12, a telescopic drive screw rod 11, a telescopic drive tube 10 and a C-shaped support frame 13; a strip support seat 9 is arranged at the edges of the upper side surface of the lifting platform 7, and the telescopic drive tubes 10 of the four protection units respectively and movably penetrate the four strip support seats 9 horizontally, and the four telescopic drive tubes 10 are distributed in a cross shape; a driving internal thread is arranged in the tubes of the four telescopic drive tubes 10, and the telescopic drive screw rod 11 is rotatably installed on the upper side surface of the lifting platform 7, and one end of the telescopic drive screw rod 11 is screwed and installed with the corresponding driving internal thread; the telescopic drive motor 12 is installed on the upper side surface of the lifting platform 7, and is used to The telescopic drive screw 11 is driven to rotate; the C-shaped support frames 13 of the four protection units are respectively vertically arranged on the outer ends of the corresponding telescopic drive tubes 10, and strip adjustment holes are arranged on the upper and lower rods of the C-shaped support frames 13; sliding support blocks 15 are slidably installed on the strip adjustment holes on the upper and lower sides, and an adjustment locking screw 16 extending out of the strip adjustment hole is arranged on the sliding support block 15, and a hand nut 17 is threadedly installed on the adjustment locking screw 16; a protective bandage 14 is connected between the two corresponding upper and lower sliding support blocks 15, which is used for flexibly blocking and protecting the edge of the transport component 30; the telescopic drive motor 12 is driven and controlled by the main controller of the trolley body through the telescopic drive circuit.

[0022] By utilizing the cooperation of the telescopic drive motor 12, the telescopic drive screw rod 11 and the telescopic drive tube 10, the telescopic drive of the telescopic drive tube 10 can be realized, thereby adjusting the center position of the C-shaped support frame 13, and realizing the protective bandage 14 to limit the edge of the transport component 30; by utilizing the cooperation of the adjusting locking screw 16 and the hand-tightening nut 17, the position of the sliding support block 15 can be adjusted, so that the upper and lower sliding support blocks 15 can be installed in an offset manner, and the protective bandage 14 is presented in an inclined installation state, so as to realize edge protection of the transport component 30 at different inclination angles, for example, the upper sliding support block 15 is moved inwardly, and the lower sliding support block 15 is moved outwardly, so that a downward-pressing edge limiting protection is formed on the edge of the transport component 30, which better meets the protection requirements of the edge of the special-shaped structure, and the use of the protective bandage 14 as the protective material can avoid rigid impact on the edge of the transport component 30.

[0023] Furthermore, the vehicle body includes a vehicle body 1 and a travel drive mechanism; an equipment compartment 3 is provided in the vehicle body 1, and a bottom groove 4 is provided at the bottom of the vehicle body 1; a main controller, a memory and a main wireless communication module are provided in the equipment compartment 3; the main controller is electrically connected to the memory and the main wireless communication module respectively; the travel drive mechanism is installed at the bottom groove 4, and the travel drive mechanism is driven and controlled by the main controller; the lifting mechanism is detachably installed on the top of the vehicle body 1 through an L-shaped connecting plate 26 and connecting mounting bolts. Through the detachable installation, it is possible to easily replace lifting mechanisms of different sizes according to transportation needs to meet the support needs of parts 30 to be transported of different sizes.

[0024] Furthermore, the walking drive mechanism includes a universal wheel 5 and two electric drive wheels 6; the universal wheel 5 and the two electric drive wheels 6 are all installed on the top of the bottom groove 4; the main controller drives and controls the electric drive wheel 6 on the left side through the left wheel drive circuit, and drives and controls the electric drive wheel 6 on the right side through the right wheel drive circuit.

[0025] Furthermore, distance measuring sensors 2 are installed on the front and rear sides of the vehicle body 1, and the distance measuring sensors 2 are electrically connected to the main controller for obstacle avoidance detection during driving; a button panel 36 electrically connected to the main controller is provided on the front side of the vehicle body 1 to facilitate the operator to input control signals.

[0026] Furthermore, the charging mechanism includes a charging control box 22, a walking base plate 8, a position sensor 27, a main wireless charging coil 29 and a slave wireless charging coil 28; a voltage acquisition circuit, a battery and a slave wireless charging circuit are arranged in the equipment compartment 3; the main controller collects the voltage of the battery through the voltage acquisition circuit; the slave wireless charging coil 28 is arranged on the left and right sides of the vehicle body 1; the slave wireless charging coil 28 is electrically connected to the battery through the slave wireless charging circuit; a slave controller, an electric control switch, a main wireless charging circuit and a slave wireless communication module are arranged in the charging control box 22, The slave wireless communication module is wirelessly connected to the master wireless communication module; side mounting plates 23 are vertically fixed on the left and right sides of the walking base plate 8; the main wireless charging coil 29 is installed on the opposite sides of the two side mounting plates 23, and the main wireless charging coil 29 is electrically connected to the AC power input through the main wireless charging circuit, and the electric control switch is connected in series between the main wireless charging circuit and the AC power input; the position sensor 27 is installed on the side mounting plate 23, and is used to detect the position of the vehicle body 1; the slave controller is electrically connected to the position sensor 27, the electric control switch and the slave wireless communication module respectively.

[0027] Furthermore, slope surfaces 24 are provided at the front and rear sides of the walking base plate 8, so as to facilitate the vehicle body to move up and down the walking base plate 8; roller guide grooves 25 are provided on the walking base plate 8, so as to facilitate the walking guidance of the universal wheels 5 and the two electric drive wheels 6 of the vehicle body.

[0028] In the AGV trolley for smooth transportation disclosed by the utility model, the main controller and the slave controller both adopt the existing single-chip control module to realize coordinated control; the main wireless communication module and the slave wireless communication module both adopt the existing wireless communication module, such as ZigBee wireless module, which can realize ad hoc network communication; the telescopic drive circuit, the left wheel drive circuit and the right wheel drive circuit all adopt the motor drive circuit corresponding to the corresponding motor, so as to drive and control each motor respectively; the main controller controls the two electric drive wheels 6 to realize walking along a predetermined route, which adopts the existing technology of AGV trolley walking control and is not the innovation point of the present invention.

[0029] When the AGV trolley for smooth transportation disclosed by the utility model is in use, the operator presses the loading control button through the key panel 36, and the main controller drives and controls the telescopic drive motor 12 through the telescopic drive circuit, so that the four C-shaped support frames 13 are away from the center, and then the operator adjusts the position of each sliding support block 15 according to the edge shape of the part to be transported 30, so that each protective bandage 14 presents a corresponding protective tilt state; then the operator adjusts the support length of each lifting support screw rod 19 to meet the support needs of different heights at different positions at the bottom of the part to be transported 30; then the part to be transported 30 is placed on each support unit to achieve smooth support; and then the operator presses the button The protection button is pressed on the panel 36, and the main controller drives and controls the telescopic drive motor 12 through the telescopic drive circuit, so that the protection bandages 14 on the four C-shaped support frames 13 press the edges of the parts to be transported 30; then the operator presses the transport button through the button panel 36, and the main controller drives and controls the two electric drive wheels 6 through the left wheel drive circuit and the right wheel drive circuit, so as to transport the parts to be transported 30 to the designated location along a predetermined route; then the operator at the designated location presses the loading control button through the button panel 36, and the main controller drives and controls the telescopic drive motor 12 through the telescopic drive circuit, so that the four C-shaped support frames 13 are away from the center, thereby facilitating the removal of the parts to be transported 30.

[0030] When the main controller detects that the battery voltage is insufficient through the voltage acquisition circuit, the main controller controls the two electric drive wheels 6 to move to the walking base plate 8 according to the set charging route. When the position sensor 27 detects the vehicle body 1, the slave controller sends a parking command through wireless communication between the slave wireless communication module and the main wireless communication module, and then the slave wireless communication module controls the electric control switch to open. The charging circuit is composed of AC power input, main wireless charging circuit, main wireless charging coil 29, slave wireless charging coil 28, slave wireless charging circuit and battery to charge the battery. After charging is completed, the main controller controls the two electric drive wheels 6 to move to the loading waiting position according to the set return route, waiting for the next transportation use.

[0031] As described above, although the present invention has been shown and described with reference to specific preferred embodiments, it should not be interpreted as limiting the present invention itself. Various changes can be made to it in form and detail without departing from the spirit and scope of the present invention defined in the appended claims.

Claims

1. An AGV trolley for smooth transportation, characterized by: The invention comprises a trolley body, a lifting mechanism, a protective mechanism and a charging mechanism; the lifting mechanism is detachably mounted on the top of the trolley body, the protective mechanism is mounted on the edge of the lifting mechanism, the lifting mechanism performs multi-point stable lifting of the component to be transported (30), the trolley body performs smooth transportation of the lifting mechanism, and the protective mechanism performs edge limiting protection on the component to be transported (30) on the lifting mechanism; the charging mechanism is used to wirelessly charge the trolley body.

2. The AGV trolley for smooth transportation according to claim 1, characterized in that: The lifting mechanism comprises a lifting platform (7) and various support units; the support units comprise a supporting internal threaded tube (18), a lifting support screw (19) and a lifting support block (20); the lower end of the supporting internal threaded tube (18) of each support unit is vertically fixedly mounted on the upper side of the lifting platform (7), and the lower end of each lifting support screw (19) is threadedly mounted in the corresponding supporting internal threaded tube (18); the lifting support block (20) is fixed on the upper end of the corresponding lifting support screw (19), and a lifting support pad (21) is provided on the upper side of the lifting support block (20) for providing anti-slip support to the lower side of the transport component (30).

3. The AGV trolley for smooth transportation according to claim 2, characterized in that: The protection mechanism comprises four protection units, each of which comprises a telescopic drive motor (12), a telescopic drive screw rod (11), a telescopic drive tube (10) and a C-shaped support frame (13); a strip support seat (9) is arranged at the edges of the upper side surface of the lifting platform (7); the telescopic drive tubes (10) of the four protection units respectively and movably penetrate the four strip support seats (9) horizontally, and the four telescopic drive tubes (10) are arranged in a cross shape; a drive internal thread is arranged in the tubes of the four telescopic drive tubes (10); the telescopic drive screw rod (11) is rotatably mounted on the upper side surface of the lifting platform (7), and one end of the telescopic drive screw rod (11) is screwed and mounted with the corresponding drive internal thread; the telescopic drive motor (12) is mounted on the upper side of the lifting platform (7). The surface is used to rotationally drive the telescopic drive screw (11); the C-shaped support frames (13) of the four protection units are respectively vertically arranged on the outer ends of the corresponding telescopic drive tubes (10), and strip-shaped adjustment holes are arranged on the upper and lower rods of the C-shaped support frames (13); sliding support blocks (15) are slidably installed on the upper and lower strip-shaped adjustment holes, and the sliding support blocks (15) are provided with adjustment locking screws (16) extending out of the strip-shaped adjustment holes, and a hand-tightening nut (17) is threadedly installed on the adjustment locking screws (16); a protective bandage (14) is connected between the two corresponding upper and lower sliding support blocks (15) to flexibly block and protect the edge of the transport component (30); the telescopic drive motor (12) is driven and controlled by the trolley body.

4. The AGV trolley for smooth transportation according to claim 1, characterized in that: The trolley body comprises a body (1) and a travel drive mechanism; an equipment compartment (3) is arranged in the body (1), and a bottom groove (4) is arranged at the bottom of the body (1); a main controller, a memory and a main wireless communication module are arranged in the equipment compartment (3); the main controller is electrically connected to the memory and the main wireless communication module respectively; the travel drive mechanism is installed at the bottom groove (4), and the travel drive mechanism is driven and controlled by the main controller; the lifting mechanism is detachably installed on the top of the body (1) through an L-shaped connecting plate (26) and connecting mounting bolts.

5. The AGV trolley for smooth transportation according to claim 4, characterized in that: The charging mechanism comprises a charging control box (22), a walking base plate (8), a position sensor (27), a main wireless charging coil (29) and a slave wireless charging coil (28); a storage battery and a slave wireless charging circuit are arranged in the equipment compartment (3); the slave wireless charging coil (28) is arranged on the left and right sides of the vehicle body (1); the slave wireless charging coil (28) is electrically connected to the storage battery via the slave wireless charging circuit; a slave controller, an electric control switch, a main wireless charging circuit and a slave wireless communication module are arranged in the charging control box (22); the slave wireless communication module is connected to the main wireless communication module Wireless communication connection; side mounting plates (23) are vertically fixedly arranged on the left and right sides of the walking base plate (8); a main wireless charging coil (29) is mounted on opposite sides of the two side mounting plates (23); the main wireless charging coil (29) is electrically connected to the main power input through a main wireless charging circuit, and the electric control switch is connected in series between the main wireless charging circuit and the main power input; a position sensor (27) is mounted on the side mounting plate (23) and is used to detect the position of the vehicle body (1); and a slave controller is electrically connected to the position sensor (27), the electric control switch and the slave wireless communication module respectively.

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