CN116443782A - RGV trolley for transporting wheel blanks and application method thereof - Google Patents

Abstract

The invention discloses an RGV trolley for transporting wheel blanks, which comprises a running mechanism, a lifting mechanism, a telescopic mechanism and an anti-overturning mechanism. The lifting mechanism is installed on the frame of the running mechanism, and the telescopic mechanism is installed on the On the upper base plate, the telescopic mechanism performs horizontal expansion and contraction in the direction perpendicular to the direction of travel of the RGV trolley, and the anti-rollover mechanism is installed beside the vehicle frame on the side opposite to the direction in which the RGV trolley protrudes from the telescopic mechanism. The RGV trolley for wheel blank transportation of the present invention is not only simple in structure, convenient to use, and easy to operate, but also has high degree of automation, high speed, good stability, low cost, simple operation and maintenance, and strong reliability, which effectively solves the problem of the prior art. The deficiency of the transportation method of wheel blanks by Zhongxing Vehicle has realized the intelligent transportation of wheel blanks between different set stations. The invention also discloses a method for using the RGV trolley used for wheel blank transportation.

Description

A kind of RGV trolley for wheel blank transportation and using method thereof

technical field

The invention belongs to the technical field of wheel blank transportation, and in particular relates to an RGV trolley used for wheel blank transportation and a usage method thereof.

Background technique

The production of finished wheels needs to go through blanking, heating, rolling, heat treatment, rough machining, finishing, testing and other processes. The door crane at the discharge port is hoisted above the chute with a certain inclination to the ground, and the wheel blanks slide down to the ground along the chute. When a certain wheel product specification is reached, the driver will hoist the wheel blank of this specification in the ground warehouse to the steel pushing trough next to the heating furnace, and the hydraulic steel pusher will push the wheel blank to the door of the heating furnace, and the forklift will be manually operated Clamp the wheel blank and send it to the heating furnace for heating. The current method of storage and transportation of wheel blanks is not suitable for single-piece tracking of wheel blanks, and is not suitable for the production of high-quality wheels. It is necessary to carry out intelligent transformation of the entire logistics system from the wheel blanking process to the heating process.

The fixed-point transportation of wheel blanks from one station to another is an important part of the intelligent upgrade of the logistics system for wheel blanks from the blanking process to the heating process. However, the existing method of lifting and transporting wheel blanks by driving cannot realize automatic operation, is time-consuming and laborious, and cannot realize accurate placement of wheel blanks. During the process of lifting and transporting wheel blanks by vehicle, bumping and rolling are inevitable, and there are also potential safety hazards. In order to solve the current situation There are deficiencies in the method of transporting wheel blanks by driving, and the invention provides a method for wheel blanks.

After searching, it was found that the Chinese invention patent with the application number CN201910878866.5 published on 2019-11-19 provided an RGV transport vehicle, including a traveling mechanism, a lifting mechanism, an automatic charging device and a control system. Wherein, the lifting mechanism includes a crank linkage mechanism, a parallel four-bar mechanism, and a swing arm sliding sleeve mechanism. The swing arm sliding sleeve mechanism includes a pair of swing arms and a pair of vertically arranged sliding posts, and sliding sleeves are slidably connected to the sliding posts. One end of the swing arm is hinged with the corresponding sliding sleeve, and the other end is hinged with the parallel movement rod. The automatic charging device includes a charging socket assembly and a charging plug assembly. The charging plug assembly includes a guide post and a charging plug. The guide post and the charging plug are connected to the housing in a floating manner. After inserting into the guide hole, the charging plug is mated with the charging socket. The control system controls the sequential actions of the traveling mechanism, the lifting mechanism and the automatic charging device.

The Chinese utility model patent with the application number CN202223087757.8 published on 2023-02-03 provides a RGV trolley, including a support arm, a walking mechanism, a lifting mechanism and a turning mechanism; the turning mechanism includes a turning bearing, a turning table, Drive part one and the gear shaft, the turntable is rotatably arranged on the traveling mechanism, the slewing support is arranged on the turntable, the drive part one is arranged on the traveling mechanism and is located in the slewing support, the drive part The output end of one is connected with the slewing support through the gear shaft to drive the slewing support to rotate; the lifting mechanism is arranged on the slewing platform, and the supporting arm is used to clamp the article and is arranged on the lifting mechanism. But the technical scheme of above patent still can't solve above-mentioned technical problem.

Contents of the invention

In view of the deficiencies in the prior art, the object of the present invention is to provide an RGV trolley for wheel blank transportation with simple structure, convenient use and easy operation. The present invention also provides an RGV trolley for wheel blank transportation The use method effectively solves the deficiency of the vehicle wheel blank transportation method in the prior art, and realizes the intelligent transportation of the wheel blank between different set stations.

In order to achieve the above object, the technical solution of the present invention is: an RGV trolley for the transportation of wheel blanks, including a running mechanism, a lifting mechanism, a telescopic mechanism and an anti-rolling mechanism, and the lifting mechanism is installed on the frame of the running mechanism , the telescopic mechanism is installed on the upper floor of the lifting mechanism, and the telescopic mechanism performs horizontal telescopic expansion in the direction perpendicular to the traveling direction of the RGV trolley. side.

Further, the traveling mechanism includes a vehicle frame, a rotating shaft assembly, a reduction motor I, a driving wheel set and a driven wheel set, the vehicle frame includes a main frame, an L-shaped base plate and a bottom plate I, and the L-shaped base plate is connected to the four corners of the main frame The bottom plate I is fixedly connected to the main frame on one side of the frame, the roller base of the anti-tipping mechanism is installed on the bottom plate I, the lower part of the L-shaped base plate is fixed to the rotating shaft assembly, and the reduction motor I is installed on the rotating shaft assembly. On the U-shaped mounting seat, the output shaft of the reduction motor I is connected to the rotating shaft I of the driving wheel set through the coupling I, and the driving wheel set and the driven wheel set are respectively connected to the corresponding rotating shaft assembly.

Further, the shaft assembly includes a first shaft, a first shaft sleeve, a second shaft, a second shaft sleeve, a connecting plate and a U-shaped mounting seat, between the first shaft and the first shaft sleeve, between the second shaft and the second shaft Two rows of tapered roller bearings are inlaid between the two shaft sleeves, the bottom of the second shaft is connected to the U-shaped mounting seat, one end of the connecting plate is connected to the outer wall of the second shaft sleeve, and the bottom of the first shaft is connected to the connecting plate The other end of the first shaft sleeve is fixedly connected to the L-shaped foundation plate.

Further, the walking mechanism also includes a guide wheel set and an L-shaped mounting plate, the L-shaped mounting plate is arranged on both sides of the U-shaped mounting seat, and the guide wheel set is fixed on the L-shaped mounting plate through the guide wheel shaft and fixedly clamped. On both sides of the guide rail, bearings are installed between the guide wheel and the axle.

Further, the lifting mechanism includes an upper base plate, a lower base plate, a gear motor II, a trapezoidal screw, a linear guide pair of trapezoidal nuts and a scissor lift assembly, the lower base plate is fixedly installed on the vehicle frame, and the linear guide rail of the linear guide pair is installed on the lower On the upper surface of the base plate, the scissor lift assembly is arranged between the upper base plate and the lower base plate, and the geared motor II is installed on the upper surface of the lower base plate, and the output shaft of the geared motor II is connected with the trapezoidal screw through the coupling II, and the trapezoidal The nut is fixedly installed on the connecting rod.

Further, the scissor lift assembly includes a first support frame and a second support frame arranged across each other, the first support frame and the second support frame are connected in rotation, and the upper ends of the first support frame and the second support frame The lower part of the first support frame is connected to the lower surface of the upper base plate in rotation, the lower end of the first support frame is connected to the guide rail slider of the linear guide rail pair through the connecting rod, and the guide rail slider is slidingly connected to the linear guide rail, and the lower end of the second support frame is connected to the lower base plate. The upper surface is pivotally connected.

Further, the telescopic mechanism includes a base, a reduction motor III, a transmission assembly and a telescopic arm, the base is fixedly installed on the upper floor of the lifting mechanism, the reduction motor III is fixed on the base, and the telescopic arm is slidably connected to the base Above, the lower surface of the telescopic arm is provided with a rack, which meshes with the gear of the transmission assembly, and the output shaft of the reduction motor III is connected with the transmission assembly to drive the gear to rotate.

Further, the anti-tipping mechanism includes a basic support, an L-shaped mounting plate, a balance bar, rollers, and a roller base. The basic support is fixedly installed on one side of the track of the receiving station and the unloading station, and the RGV trolley is on the track. Walking upwards, the L-shaped mounting plate is fixedly connected to the foundation bracket, the balance bar is installed on the L-shaped mounting plate through adjusting bolts and nuts, the roller base is fixedly installed on the bottom plate Ⅰ, and the rollers are installed on the roller base. When the roller base When following the RGV trolley to the receiving station and unloading station, the rollers are located under the balance bar and are in rolling contact with the balance bar.

Further, the rotating shaft I of the driving wheel set is installed on the two side walls of the U-shaped mounting seat through the rotation of the bearing seat, and the rotating shaft II of the driven wheel set is installed on the two side walls of the U-shaped mounting seat through the rotating bearing seat. The inner side of the U-shaped mounting seat of the wheel set is provided with an installation base plate for installing the geared motor I, the geared motor I is fixedly installed on the installation base plate, and the output shaft of the geared motor I is connected to the rotating shaft I of the drive wheel set through a coupling.

The present invention also provides a method for using an RGV trolley for transporting wheel blanks, based on the aforementioned RGV trolley for transporting wheel blanks, the use method includes the following steps:

S1. When the RGV trolley is in the standby state, the lifting mechanism is at the lowest position, the telescopic arm of the telescopic mechanism shrinks to zero, and the trolley stops at the designated position;

S2. When the loading tray on the loading table is filled with the sawed wheel blanks, the electronic control unit sends a signal to the RGV trolley, and the RGV trolley moves to the set loading station, and the rollers of the anti-rollover mechanism are at the Directly below the balance bar, it is in rolling contact with the balance bar to prevent the RGV trolley from tipping over;

S3. The telescopic mechanism works, so that the telescopic arm is located directly below the loading tray with the wheel blank placed on the loading table;

S4. The lifting mechanism works, driving the telescopic mechanism to rise to the set height, so that the telescopic arm supports the charging tray with the wheel blank;

S5. The telescopic mechanism retracts, so that the telescopic arm carrying the wheel blank shrinks to zero position;

S6. The lifting mechanism returns to the lowest position, and the telescopic arm carrying the wheel blank follows the lifting mechanism to descend;

S7. The running mechanism of the RGV trolley works. When the RGV trolley reaches the set unloading station, the RGV trolley stops moving;

S8. The lifting mechanism works, driving the telescopic mechanism to rise, so that the telescopic arm carrying the wheel blank reaches the height of unloading;

S9. The telescopic mechanism works, and the telescopic arm carrying the wheel blank stretches out, so that the wheel blank on the telescopic arm reaches directly above the material receiving level;

S10. The lifting mechanism returns to the lowest position. During the descending process of the lifting mechanism, the charging tray with the wheel blank is transferred from the telescopic arm to the support surface of the material receiving level, and the loading tray with the wheel blank is unloaded on the loading platform. On the charging tray with wheel blanks;

S11. The telescopic mechanism is retracted, and the telescopic arm is retracted to zero position;

S12. After receiving the signal of the completion of unloading, the traveling mechanism of the RGV trolley drives the entire RGV trolley to the designated position along the guide rail, and a working cycle ends.

The advantage of adopting technical solution of the present invention is:

1. The RGV trolley used for the transportation of wheel blanks in the present invention can not only realize the automatic transportation of wheel blanks from the blanking process to the heating process, intelligent upgrade and transformation of warehousing logistics, but also realize the precise placement of wheel blanks, and at the same time meet the needs of wheel blank transportation Process information tracking; and after the transformation, there is no need for manual operation of the crane to carry the wheel blanks, achieving the goal of reducing manpower and increasing efficiency.

2. The RGV trolley for wheel blank transportation of the present invention is not only simple in structure, convenient to use and easy to operate, but also as a kind of wheel blank handling equipment, it has high degree of automation, fast speed, good stability, low cost, and simple operation and maintenance. The reliability is strong, which effectively solves the deficiency of the vehicle wheel blank transportation method in the prior art, and realizes the intelligent transportation of the wheel blank between different set stations.

Description of drawings

Below in conjunction with accompanying drawing and specific embodiment the present invention will be described in further detail:

Fig. 1 is the structural representation of RGV trolley of the present invention;

Fig. 2 is the schematic diagram of the traveling mechanism of the RGV trolley of the present invention;

Fig. 3 is a structural schematic diagram of the walking mechanism rotating shaft assembly of the present invention;

Fig. 4 is the schematic diagram of lifting mechanism of the present invention;

Fig. 5 is a structural schematic diagram of the telescoping mechanism of the present invention;

Fig. 6 is a schematic diagram of the anti-rollover mechanism of the present invention.

The marks in the above figure are respectively: 1. traveling mechanism; 2. lifting mechanism; 3. telescopic mechanism; 4. anti-tipping mechanism.

Detailed ways

In the present invention, it should be understood that the terms "length"; "width"; "upper"; "lower"; "front"; "back"; "left"; "right"; "vertical"; "; "Top"; "Bottom" "Inner"; "Outer"; "Clockwise"; "Counterclockwise"; "Axial"; "Plane direction"; The orientations or positional relationships shown in the drawings are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation; it is constructed and operated in a specific orientation, so it cannot be understood as Limitations on the Invention.

As shown in Figures 1 to 6, an RGV trolley for wheel blank transportation includes a running mechanism 1, a lifting mechanism 2, a telescopic mechanism 3 and an anti-overturning mechanism 4, and the lifting mechanism 2 is installed on the running mechanism 1 On the vehicle frame 101, the telescopic mechanism 3 is installed on the upper base plate 201 of the lifting mechanism 2. The telescopic mechanism 3 performs horizontal expansion and contraction in the direction perpendicular to the traveling direction of the RGV trolley. The side opposite to the direction in which the telescopic mechanism 3 stretches out. The RGV trolley for wheel blank transportation of the present invention is not only simple in structure, convenient to use, and easy to operate, but also has high degree of automation, high speed, good stability, low cost, simple operation and maintenance, and strong reliability, which effectively solves the problem of the prior art. The shortcomings of the transportation method of the wheel blanks in the crane have realized the intelligent transportation of the wheel blanks between different set stations.

The traveling mechanism 1 includes a vehicle frame 101, a rotating shaft assembly 102, a reduction motor I 103, a driving wheel set 105 and a driven wheel set 106. The vehicle frame 101 includes a main frame 1011, an L-shaped base plate 1012 and a base plate I 1013, and the L-shaped base plate 1012 is connected to At the four corners of the main frame 1011, the bottom plate I1013 is fixedly connected to the main frame 1011 and located on one side of the vehicle frame 101, the roller base 407 of the anti-tipping mechanism 4 is installed on the bottom plate I1013, and the rotating shaft is fixed under the L-shaped base plate 1012 Assembly 102, geared motor I103 is installed on the U-shaped mounting seat 1028 of the rotating shaft assembly 102, the output shaft of the geared motor I103 is connected to the rotating shaft I1051 of the driving wheel set 105 through the coupling I104, the driving wheel set 105 and the driven wheel set 106 are respectively Connect with the corresponding shaft assembly 102. Travel mechanism 1 also comprises guide wheel group 107 and L-shaped mounting plate 1029, and L-shaped mounting plate 1029 is arranged on the both sides of U-shaped mounting seat 1028, and guide wheel group 107 is affixed on the L-shaped mounting plate 1029 by guide wheel shaft 1071 and The fixed card is mounted on both sides of the guide rail, and a bearing is arranged between the guide wheel 1072 and the wheel shaft 1071.

Specifically, the traveling mechanism 1 includes 1 driving wheel set, 3 driven wheel sets, and 4 guide wheel sets. The main frame 1011 of the frame is welded by square tubes, which has good rigidity and light weight; one side of the frame 101 is provided with a bottom plate I 1013 for fixing the roller base 407 of the anti-overturning mechanism, and four pieces of L are fixed at both ends of the frame 101 A base plate 1012, and a rotating shaft assembly is fixedly connected to the bottom of the L-shaped base plate.

The shaft assembly 102 includes a first shaft 1021, a first shaft sleeve 1022, a second shaft 1023, a second shaft sleeve 1024, a connecting plate 1027 and a U-shaped mounting seat 1028. Between the first shaft 1021 and the first shaft sleeve 1022, the second Two rows of tapered roller bearings 1025 are inlaid between the second rotating shaft 1023 and the second shaft sleeve 1024, the bottom of the second rotating shaft 1023 is connected to the U-shaped mounting seat 1028, and one end of the connecting plate 1027 is connected to the outer wall of the second shaft sleeve 1024 Above, the bottom of the first rotating shaft 1021 is connected to the other end of the connecting plate 1027 , and the first shaft sleeve 1022 is fixedly connected to the L-shaped base plate 1012 .

The rotating shaft I 1051 of the driving wheel group 105 is installed on the two side walls of the U-shaped mounting seat 1028 through the bearing seat, and the rotating shaft II 1061 of the driven wheel group 106 is installed on the two side walls of the U-shaped mounting seat 1028 through the bearing seat. The inner surface of the U-shaped mounting seat 1028 of the group 105 is provided with an installation base plate 1031 for installing the geared motor I103. The geared motor I103 is fixedly installed on the installation base plate 1031. Rotating shaft I 1051 is connected.

Specifically, two rows of tapered roller bearings 1025 are installed between the first rotating shaft 1021 and the first shaft sleeve 1022, and two rows of tapered roller bearings 1025 are installed between the second rotating shaft 1023 and the second shaft sleeve 1024. The top of the row of tapered roller bearings 1025 is locked by a lock nut 1026 , and the bottom of the second rotating shaft 1023 is connected with a U-shaped mounting seat 1028 , and the U-shaped mounting seat 1028 can rotate around the vehicle frame 101 flexibly. The rotating shaft I 1051 of the driving wheel group 105 is looped between the two side walls of the U-shaped mounting seat 1028 through the bearing seat. The U-shaped mounting seat 1028 at the group 105 is fixedly connected with the mounting base plate 1031 of the geared motor I103, the geared motor I103 is fixedly mounted on the mounting base plate 1031, and the output end of the geared motor I103 is connected to the driving wheel set 105 rotating shaft I1051 through the coupling I104 Connected, drive the driving wheel 1053 on the driving wheel set 105 shaft I1051 to rotate through the geared motor I103, the driving wheel 1053 drives the frame 101 to move, and the three driven wheels 1063 follow the rotation, thereby driving the entire RGV trolley to run on the guide rail. The two ends of the U-shaped mounting seat 1028 are fixedly connected with L-shaped mounting plates 1029, and the guide wheel group 107 is fixedly connected on the L-shaped mounting plate 1029 through the guide wheel shaft 1071, and is fixedly clamped on both sides of the guide rail. The guide wheels 1072 and the wheel shaft 1071 Bearings 1073 are inlaid between them to reduce the frictional resistance during guidance. When the RGV trolley turns, the guide wheel set 107 moves with the U-shaped mounting seat 1028, that is, it can freely rotate around the frame 101, which plays an adaptive guiding role. effect.

The lifting mechanism 2 includes an upper base plate 201, a lower base plate 202, a gear motor II 203, a trapezoidal screw 205, a trapezoidal nut 206, a linear guide rail pair 209 and a scissor lifting assembly 210. The lower base plate 202 is fixedly installed on the vehicle frame 101, and the linear guide rail pair 209 The linear guide rail 2091 is installed on the upper surface of the lower base plate 202, the scissor lift assembly 210 is arranged between the upper base plate 201 and the lower base plate 202, the geared motor II 203 is installed on the upper surface of the lower base plate 202, and the output shaft of the geared motor II 203 passes through the joint The shaft device II 204 is connected with the trapezoidal screw 205 , and the trapezoidal nut 206 is fixedly installed on the connecting rod 207 . In order to better realize the rotation of the trapezoidal screw 205, the two ends of the trapezoidal screw 205 are provided with bearing blocks 208, the trapezoidal screw 205 is installed on the lower base plate 202 through the bearing blocks 208, and the trapezoidal nut 206 is sleeved on the trapezoidal screw 205, The trapezoidal nut 206 is engaged with the trapezoidal screw 205 , and the trapezoidal nut 206 and the trapezoidal screw 205 can move relative to each other. The lower end of the scissor lift assembly 210 is rotatably connected to the upper surface of the lower base plate 202 , and the upper end of the scissor lift assembly 210 is rotatably connected to the lower surface of the upper base plate 201 .

The scissor lift assembly 210 includes a first support frame 2101 and a second support frame 2102 arranged across each other, the first support frame 2101 and the second support frame 2102 are rotationally connected, the first support frame 2101 and the second support frame 2102 The upper end of the upper base plate 201 is rotatably connected to the lower surface of the upper base plate 201, the lower end of the first support frame 2101 is rotatably connected to the guide rail slider 2092 of the linear guide pair 209 through the connecting rod 207, and the guide rail slider 2092 is slidably connected to the linear guide rail 2091. The lower ends of the two support frames 2102 are rotatably connected to the upper surface of the lower bottom plate 202 .

Specifically, the upper base plate 201 and the lower base plate 202 are hollow structures, and the upper base plate 201 and the lower base plate 202 realize the distance adjustment between the upper base plate 201 and the lower base plate 202 by setting a pair of scissor lift assemblies 210. It includes a first support frame 2101 and a second support frame 2102 arranged across each other. In order to better realize the rotation of the trapezoidal screw 205 , two ends of the trapezoidal screw 205 are provided with bearing seats 208 to reduce the external friction on the trapezoidal screw 205 . Through the setting of the above structure, the reduction motor II 203 drives the trapezoidal screw 205 to rotate through the coupling II 204, and then the nut 206 of the trapezoidal screw 205 drives the connecting rod 207 to move along the guide rail 2091 of the linear guide pair 209, thereby driving the first support The 2101 frame moves to realize the lifting of the lifting mechanism 2, and adopts the transmission of the trapezoidal screw 205 and the nut 206, and the lifting mechanism 2 can realize self-locking.

The lifting mechanism 2 is located between the driving wheel set 105 and the driven wheel set 106, and is enclosed in the vehicle frame 101. During the running of the trolley, the entire weight is located between the four wheel sets, which ensures the running stability of the trolley. The upper base plate 201 and the lower base plate 202 adopt a hollow design, and the driving device of the telescopic mechanism is located between the scissor lift components, which effectively compresses the installation height of the RGV trolley, thereby reducing the requirements for the height of the shelf.

The telescopic mechanism 3 includes a base 301, a reduction motor III 302, a transmission assembly and a telescopic arm 308. The base 301 is fixedly installed on the upper floor 202 of the lifting mechanism 2, the reduction motor III 302 is fixed on the base 301, and the telescopic arm 308 is slidably connected On the base 301, a rack 307 is provided on the lower surface of the telescopic arm 308, and the rack 307 meshes with the gear of the transmission assembly. The output shaft of the reduction motor III 302 is connected to the transmission assembly to drive the gear to rotate and then drive the rack to move, realizing the telescopic arm. 308 telescoping.

Specifically, the telescopic mechanism 3 is used to expand and contract horizontally in a direction perpendicular to the traveling direction of the RGV trolley. The above-mentioned transmission assembly includes a sprocket 303, a chain 304, and a transmission shaft 305. The gears are installed on the transmission shaft 305 and follow the rotation of the transmission shaft 305. , the reduction motor III 302 drives the gear on the transmission shaft 305 to rotate through the sprocket 303 and the chain 304, and the gear drives the rack 307 to advance and retreat, thereby driving the telescopic arm 308 to expand and contract. The telescopic mechanism 3 includes two bases 301 and two telescopic arms 308 , the two bases 301 are arranged in parallel, and the two telescopic arms 308 are respectively slidably connected to the two bases 301 .

The anti-tipping mechanism 4 includes a basic support 401, an L-shaped mounting plate 402, a balance bar 403, a roller 406 and a roller base 407, where the RGV trolley loads and unloads the wheel blank, and the basic support 401 is installed on the RGV trolley in the direction in which the telescopic arm 308 extends. The other side, that is, the base bracket 401 is fixedly installed on one side of the track of the receiving station and the unloading station. The RGV trolley walks on the track. The L-shaped mounting plate 402 is fixedly connected to the base bracket 401. Bolts 404 and nuts 405 are installed on the L-shaped mounting plate 402, the height of the balance bar 403 in the vertical direction can be adjusted by adjusting the bolts 404 and nuts 405, the roller base 407 is fixedly installed on the bottom plate I1013, and the roller 406 is installed on the roller base 407, when the roller base 407 follows the RGV trolley to the receiving station and the unloading station, and the RGV trolley walks to the position of the basic support 401, the roller 406 cooperates with the balance bar 403, that is, the roller 406 is positioned on the balance bar 403 below and in rolling contact with the balance bar 403. When the RGV trolley loads and unloads the wheel blank, the roller 406 is located directly below the balance bar 403 to prevent the RGV trolley from tipping over.

The basic bracket 401 and the balance bar 403 are fixedly installed at the loading (receiving) station and the unloading (cutting) station, and do not follow the movement of the RGV trolley, but the roller base 407 and the roller 406 are installed on the RGV trolley. On the frame, follow the movement of the RGV trolley. When the RGV trolley moves to the loading (receiving) station and the unloading (cutting) station, the roller 406 follows the RGV trolley and runs to the right below the balance bar 403 and aligns with the balance bar. The lower surface of 403 is in rolling contact.

The RGV trolley used for the transportation of wheel blanks also includes a control unit. The geared motor I103, geared motor II203, and geared motor III302 are all electrically connected to the controller of the control unit. The controllers used can be PLC controllers, single-chip microcomputers, etc. The driving motors of the RGV trolley all adopt variable frequency motors, which can meet the requirements of speed changes.

Based on the above-mentioned RGV trolley for wheel blank transportation, the present invention also provides a method for using the RGV trolley for wheel blank transportation, the use method comprising the following steps:

S1. When the RGV trolley is in the standby state, the lifting mechanism 2 is at the lowest position, the telescopic arm of the telescopic mechanism 3 shrinks to zero, and the trolley stops at the designated position;

S2. When the loading tray on the loading table is filled with sawed wheel blanks, the electronic control unit sends a signal to the RGV trolley, and the RGV trolley moves to the set loading station, and the rollers of the anti-tipping mechanism 4 Follow the RGV trolley to run directly under the balance bar 403, and the rollers are in rolling contact with the balance pole 403 to prevent the RGV trolley from tipping over;

The specific operation is, when the loading tray on the loading table is filled with sawed wheel blanks, the electronic control unit sends a signal to the RGV trolley, and the traveling mechanism 1 drives the driving wheel on the driving wheel group 105 rotating shaft I1051 through the reduction motor I103 1053 rotates, the driving wheel 1053 drives the frame body 101 to move, and the three driven wheels 1063 rotate accordingly, thereby driving the entire RGV trolley to run on the guide rails, and the guide wheel set 107 performs self-adaptive guidance during the RGV trolley travel. When the RGV trolley reaches the set loading station, the reduction motor I 103 stops working; the anti-tipping mechanism 4 roller 406 is now located directly below the balance bar 403 and rolls in contact with the balance pole 403 to prevent the RGV trolley from tipping over. The basic bracket 401 and the balance bar 403 are fixedly installed on the loading (receiving) station, and do not follow the movement of the RGV trolley, but the roller base 407 and the roller 406 are installed on the frame of the RGV trolley, and follow the movement of the RGV trolley , when the RGV trolley moves to the loading (receiving) station, the rollers 406 follow the RGV trolley to run directly under the balance pole 403 and make rolling contact with the lower surface of the balance pole 403 .

S3. The telescopic mechanism 3 works, so that the telescopic arm 308 is located directly below the charging tray with the wheel blank placed on the loading platform;

The specific operation is that the reduction motor III 302 of the telescopic mechanism 3 starts to work, the reduction motor III 302 drives the gear on the transmission shaft 305 to rotate through the sprocket 303 and the chain 304, the gear drives the rack 307 forward, and drives the telescopic arm 308 to extend to the set distance , geared motor III 302 stops working, and telescopic arm 308 is positioned at right below the charging tray that wheel blank is housed on the feeding table this moment.

S4. The lifting mechanism 2 works, driving the telescopic mechanism to rise to the set height, so that the telescopic arm 308 supports the charging tray with the wheel blank;

The specific operation is: the reduction motor II 203 of the lifting mechanism 2 receives the signal and starts to work, the reduction motor II 203 drives the trapezoidal screw 205 to rotate through the coupling II 204, and then the nut 206 of the trapezoidal screw 205 drives the connecting rod 207 to move along the linear guide rail pair The guide rail 2091 of 209 moves backward, thereby driving the first support 2101 to move backward, and the vertical angle between the first support 2101 and the second support 2102 of the scissor lift assembly 210 decreases. When the lifting mechanism 2 rises to the set height, Telescopic mechanism 3 telescopic arm 308 holds up the charging tray that wheel blank is housed to set height, and reduction motor II 203 stops working.

S5. The telescopic mechanism 3 retracts, so that the telescopic arm 308 carrying the wheel blank shrinks to zero position;

The specific operation is as follows: the deceleration motor III 302 of the telescopic mechanism 3 receives an instruction to start working, the deceleration motor III 302 drives the gear on the drive shaft 305 to rotate through the sprocket 303 and the chain 304, and the gear drives the rack 307 to retreat, thereby driving the telescopic arm 308 to shrink to Zero position, the reduction motor III 302 stops working.

S6. The lifting mechanism 2 is lowered to the lowest position, and the telescopic arm 308 carrying the wheel blank follows the lifting mechanism and descends;

The specific operation is: the reduction motor II 203 of the lifting mechanism 2 starts to work, the reduction motor II 203 drives the trapezoidal screw 205 to rotate through the coupling II 204, and then the nut 206 of the trapezoidal screw 205 drives the connecting rod 207 along the guide rail 2091 of the linear guide rail pair 209 Moving forward, thereby driving the first support 2101 to move forward, the vertical angle between the first support 2101 and the second support 2102 of the scissor lift assembly 210 increases until the lifting mechanism 2 drops to the lowest position, and the gear motor II 203 stops working.

S7. The running mechanism 1 of the RGV trolley works, and when the RGV trolley reaches the set unloading station, the RGV trolley stops moving;

The specific operation is as follows: RGV trolley traveling mechanism 1 receives the signal of traveling to the discharge level, drives the driving wheel 1053 on the driving wheel group 105 rotating shaft Ⅰ1051 to rotate through the reduction motor Ⅰ103, the driving wheel 1053 drives the frame body 101 to move, and the three driven wheels 1063 follows the rotation, thereby driving the entire RGV trolley to travel on the guide rail, and the guide wheel set 107 performs adaptive guidance during the travel of the RGV trolley. When the RGV trolley arrives at the set unloading station, the reduction motor I 103 stops working; the anti-tipping mechanism 4 roller 406 is now located directly under the balance bar 403 and rolls in contact with the balance pole 403 to prevent the RGV trolley from tipping over. The basic bracket 401 and the balance bar 403 are fixedly installed on the unloading (unloading) station and do not follow the movement of the RGV trolley, but the roller base 407 and the roller 406 are installed on the frame of the RGV trolley and follow the movement of the RGV trolley , when the RGV trolley moves to the unloading (unloading) station, the roller 406 follows the RGV trolley and moves to directly below the balance pole 403 and makes rolling contact with the lower surface of the balance pole 403 .

S8. The lifting mechanism 2 works, driving the telescopic mechanism to rise, so that the telescopic arm 308 loaded with the wheel blank reaches the height when unloading;

The specific operation is: the reduction motor II 203 of the lifting mechanism 2 receives the signal and starts to work, the reduction motor II 203 drives the trapezoidal screw 205 to rotate through the coupling II 204, and then the nut 206 of the trapezoidal screw 205 drives the connecting rod 207 to move along the linear guide rail pair The guide rail 2091 of 209 moves backward, thereby driving the first support 2101 to move backward, and the vertical angle between the first support 2101 and the second support 2102 of the scissor lift assembly 210 decreases. When the lifting mechanism 2 rises to the set height, Telescopic mechanism 3 telescopic arm 308 holds up the charging tray that wheel blank is housed to set height, and reduction motor II 203 stops working.

S9. The telescopic mechanism 3 works, and the telescopic arm 308 carrying the wheel blank is stretched out, so that the wheel blank on the telescopic arm 308 reaches directly above the receiving level;

The specific operation is: the reduction motor III 302 of the telescopic mechanism 3 starts to work, the reduction motor III 302 drives the gear on the transmission shaft 305 to rotate through the sprocket 303 and the chain 304, the gear drives the rack 307 to advance, and drives the telescopic arm 308 to reach the set distance , the reduction motor III 302 stops working, and now the telescopic arm 308 of the charging tray holding up the wheel blank is positioned directly above the receiving level.

S10. The lifting mechanism 2 is lowered to the lowest position. During the descending process of the lifting mechanism, the charging tray with the wheel blank is transferred from the telescopic arm 308 to the support surface of the material receiving level, and the loading tray with the wheel blank is unloaded. On the charging tray with wheel blanks;

The specific operation is: the reduction motor II 203 of the lifting mechanism 2 starts to work, the reduction motor II 203 drives the trapezoidal screw 205 to rotate through the coupling II 204, and then the nut 206 of the trapezoidal screw 205 drives the connecting rod 207 along the guide rail 2091 of the linear guide rail pair 209 Move forward, thereby driving the first support 2101 to move forward, and the vertical angle between the first support 2101 and the second support 2102 of the scissor lift assembly 210 increases until the lifting mechanism 2 falls to the lowest position, and the gear motor II 203 stops working , during the descending process of the lifting mechanism, the loading tray falls on the support surface of the receiving level to realize unloading.

S11. The telescopic mechanism 3 is retracted, and the telescopic arm 308 is retracted to zero position;

The specific operation is as follows: the deceleration motor III 302 of the telescopic mechanism 3 receives an instruction to start working, the deceleration motor III 302 drives the gear on the drive shaft 305 to rotate through the sprocket 303 and the chain 304, and the gear drives the rack 307 to retreat, thereby driving the telescopic arm 308 to shrink to zero position, the reduction motor 302 stops working.

S12. After the RGV trolley traveling mechanism 1 receives the signal of the end of unloading, it drives the entire RGV trolley to travel along the guide rail to the designated position, and a working cycle ends.

The specific operation is: after the RGV trolley traveling mechanism 1 receives the signal of the end of unloading, the traveling mechanism 1 drives the driving wheel 1053 on the driving wheel group 105 rotating shaft Ⅰ1051 to rotate through the reduction motor Ⅰ103, and the driving wheel 1053 drives the frame 101 to move, three The driven wheel 1063 rotates accordingly, thereby driving the entire RGV trolley to travel along the guide rail to a designated position, and a working cycle ends.

The RGV trolley used for the transportation of wheel blanks in the present invention can realize the intelligent transportation of wheel blanks between different set stations; the RGV trolley can not only realize the automatic transportation of wheel blanks from the blanking process to the heating process, but also intelligently upgrade and transform the storage logistics. The precise placement of the wheel blank can be realized, and at the same time, the information tracking of the wheel blank transportation process can be satisfied. The whole device has a high degree of automation, fast speed, good stability, low cost, simple operation and maintenance, and strong reliability; after the transformation, it does not need manual operation of the crane to carry the wheel blanks, achieving the goal of reducing manpower and increasing efficiency.

The present invention has been exemplarily described above in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited by the above-mentioned method, as long as various insubstantial improvements are adopted in the technical scheme of the present invention, or the present invention is converted without improvement. Ideas and technical solutions that are directly applied to other occasions are within the protection scope of the present invention.

Claims (10)

1. An RGV trolley for use in wheel stock transport, characterized by: including running gear (1), elevating system (2), telescopic machanism (3) and anti-tipping mechanism (4), elevating system (2) are installed on frame (101) of running gear (1), and telescopic machanism (3) are installed on upper plate (201) of elevating system (2), and telescopic machanism (3) carry out horizontal expansion in the direction of perpendicular to RGV dolly direction of travel, and anti-tipping mechanism (4) are installed and are located the opposite one side of direction that RGV dolly and telescopic machanism (3) stretched out by frame (101).

2. An RGV trolley for use in wheel stock transport as claimed in claim 1, wherein: running gear (1) is including frame (101), pivot subassembly (102), gear motor I (103), drive wheelset (105) and driven wheelset (106), frame (101) are including main frame (1011), L type foundation slab (1012) and bottom plate I (1013), L type foundation slab (1012) are connected in the four corners department of main frame (1011), bottom plate I (1013) fixed connection is located one side of frame (101) on main frame (1011), gyro wheel base (407) of anti-tipping mechanism (4) are installed on bottom plate I (1013), below rigid coupling pivot subassembly (102) of L type foundation slab (1012), gear motor I (103) are installed on U type mount pad (1028) of pivot subassembly (102), the output shaft of gear motor I (103) is connected with pivot I (1051) of drive wheelset (105) through shaft coupling I (104), drive wheelset (105) and driven wheelset (106) are connected with pivot subassembly (102) that corresponds respectively.

3. An RGV trolley for use in wheel stock transport as claimed in claim 2, wherein: the rotating shaft assembly (102) comprises a first rotating shaft (1021), a first shaft sleeve (1022), a second rotating shaft (1023), a second shaft sleeve (1024), a connecting plate (1027) and a U-shaped mounting seat (1028), wherein two rows of tapered roller bearings (1025) are embedded between the first rotating shaft (1021) and the first shaft sleeve (1022) and between the second rotating shaft (1023) and the second shaft sleeve (1024), the lower part of the second rotating shaft (1023) is connected with the U-shaped mounting seat (1028), one end of the connecting plate (1027) is connected to the outer wall of the second shaft sleeve (1024), the lower part of the first rotating shaft (1021) is connected to the other end of the connecting plate (1027), and the first shaft sleeve (1022) is fixedly connected to an L-shaped foundation plate (1012).

4. An RGV trolley for use in wheel stock transport as claimed in claim 3, wherein: the walking mechanism (1) further comprises guide wheel sets (107) and L-shaped mounting plates (1029), the L-shaped mounting plates (1029) are arranged on two sides of the U-shaped mounting base (1028), the guide wheel sets (107) are fixedly connected to the L-shaped mounting plates (1029) through guide wheel shafts (1071) and fixedly clamped on two sides of the guide rails, and bearings are arranged between the guide wheels (1072) and the wheel shafts (1071).

5. An RGV trolley for use in transportation of wheel blanks according to any one of claims 2 to 4, wherein: elevating system (2) are including upper plate (201), lower plate (202), gear motor II (203), trapezoidal lead screw (205), trapezoidal nut (206) linear guide pair (209) and shear type lifting unit (210), lower plate (202) fixed mounting is on frame (101), linear guide (2091) of linear guide pair (209) are installed on the upper surface of lower plate (202), shear type lifting unit (210) set up between upper plate (201) and lower plate (202), gear motor II (203) are installed on the upper surface of lower plate (202), the output shaft of gear motor II (203) is connected with trapezoidal lead screw (205) through shaft coupling II (204), trapezoidal nut (206) fixed mounting is on connecting rod (207).

6. An RGV trolley for use in wheel stock transportation as claimed in claim 5, wherein: the shear type lifting assembly (210) comprises a first support frame (2101) and a second support frame (2102) which are arranged in a crossing mode, the first support frame (2101) is rotationally connected with the second support frame (2102), the upper end portions of the first support frame (2101) and the second support frame (2102) are rotationally connected with the lower surface of an upper base plate (201), the lower end portion of the first support frame (2101) is rotationally connected with a guide rail sliding block (2092) of a linear guide rail pair (209) through a connecting rod (207), the guide rail sliding block (2092) is slidingly connected on a linear guide rail (2091), and the lower end portion of the second support frame (2102) is rotationally connected with the upper surface of a lower base plate (202).

7. An RGV trolley for use in wheel stock transportation as claimed in claim 5, wherein: the telescopic mechanism (3) comprises a base (301), a speed reducing motor III (302), a transmission assembly and a telescopic arm (308), wherein the base (301) is fixedly arranged on an upper bottom plate (202) of the lifting mechanism (2), the speed reducing motor III (302) is fixedly arranged on the base (301), the telescopic arm (308) is slidably connected on the base (301), a rack (307) is arranged on the lower surface of the telescopic arm (308), the rack (307) is meshed with a gear of the transmission assembly, and an output shaft of the speed reducing motor III (302) is connected with the transmission assembly to drive the gear to rotate.

8. An RGV trolley for use in wheel stock transport as claimed in claim 2, wherein: the anti-tipping mechanism (4) comprises a base support (401), an L-shaped mounting plate (402), a balance bar (403), a roller (406) and a roller base (407), wherein the base support (401) is fixedly installed on one side of a material receiving station and a material discharging station track, an RGV trolley walks on the track, the L-shaped mounting plate (402) is fixedly connected to the base support (401), the balance bar (403) is installed on the L-shaped mounting plate (402) through an adjusting bolt (404) and a nut (405), the roller base (407) is fixedly installed on a bottom plate I (1013), the roller (406) is installed on the roller base (407), and when the roller base (407) follows the RGV trolley to move to the material receiving station and the material discharging station, the roller (406) is located below the balance bar (403) and in rolling contact with the balance bar (403).

9. An RGV trolley for use in wheel stock transport as claimed in claim 3, wherein: the rotating shaft I (1051) of the driving wheel group (105) is rotatably mounted on two side walls of the U-shaped mounting seat (1028) through a bearing seat, the rotating shaft II (1061) of the driven wheel group (106) is rotatably mounted on two side walls of the U-shaped mounting seat (1028) through a bearing seat, the mounting base plate (1031) for mounting the gear motor I (103) is arranged on the inner side surface of the U-shaped mounting seat (1028) of the driving wheel group (105), the gear motor I (103) is fixedly mounted on the mounting base plate (1031), and an output shaft of the gear motor I (103) is connected with the rotating shaft I (1051) of the driving wheel group (105) through a coupler.

10. A method of using an RGV trolley for wheel stock transport, characterized by: an RGV trolley for use in wheel stock transportation based on any one of claims 1 to 9, the method of use comprising the steps of:

s1, when the RGV trolley is in a standby state, the lifting mechanism (2) is positioned at the lowest position, the telescopic arm of the telescopic mechanism (3) is contracted to a zero position, and the trolley is stopped at a specified position;

s2, when a loading disc placed on a loading table is filled with sawn wheel blanks, an electric control unit sends a signal to an RGV trolley, the RGV trolley moves to reach a set loading station, and a roller of an anti-tipping mechanism (4) is positioned under a balance rod (403) and is in rolling contact with the balance rod (403) to prevent the RGV trolley from tipping;

s3, the telescopic mechanism (3) works to enable the telescopic arm (308) to be positioned right below a charging tray provided with wheel blanks on the charging table;

s4, the lifting mechanism (2) works to drive the telescopic mechanism to rise to a set height, so that the telescopic arm (308) supports a charging tray filled with wheel blanks;

s5, retracting the telescopic mechanism (3) to enable the telescopic arm (308) carrying the wheel blank to be retracted to a zero position;

s6, the lifting mechanism (2) is lowered back to the lowest position, and the telescopic arm (308) carrying the wheel blanks descends along with the lifting mechanism;

s7, a running mechanism (1) of the RGV trolley works, and when the RGV trolley reaches a set unloading station, the RGV trolley stops moving;

s8, the lifting mechanism (2) works to drive the telescopic mechanism to ascend, so that the telescopic arm (308) carrying the wheel blank reaches the height during unloading;

s9, the telescopic mechanism (3) works, and the telescopic arm (308) carrying the wheel blank extends out, so that the wheel blank on the telescopic arm (308) reaches the position right above the receiving position;

s10, the lifting mechanism (2) is lowered back to the lowest position, and in the process of lowering of the lifting mechanism, a charging tray filled with wheel blanks is transferred onto a supporting surface of a receiving position from the telescopic arm (308), and the charging tray filled with the wheel blanks is unloaded on the charging tray filled with the wheel blanks;

s11, retracting the telescopic mechanism (3), and retracting the telescopic arm (308) to a zero position;

and S12, after receiving a discharging end signal, the RGV trolley traveling mechanism (1) drives the whole RGV trolley to travel to a designated position along the guide rail, and one working cycle is ended.