Carrying trolley for loading system
By designing guide components and guide wheel sets, the problem of trolley body tilting during loading was solved, achieving automatic coaxial alignment and stable packing, thus improving packing efficiency and safety.
Patent Information
- Application Number
- CN202423217123.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-25
AI Technical Summary
Existing handling trolleys have difficulty automatically aligning their bodies with the container during loading, which can cause the forks to collide and damage the goods inside the container or the side walls of the container, and the loading accuracy is low.
By employing guide components and guide wheel sets, and through the rotation and oscillation of the walking wheel set and the sway wheel set, combined with a distance sensing device, the vehicle body is ensured to be coaxially aligned with the container. Furthermore, the design of the guide structure and guide blocks enables automatic adjustment and stability of the vehicle body.
It improves the stability and accuracy of packing, avoids damage to goods, increases packing efficiency, and reduces the cost of adding guide components.
Smart Images
Figure CN223606663U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a field of handling trolley, specifically point to a kind of handling trolley for loading system. BACKGROUND
[0002] Handling trolley is mainly used to lift and carry goods into container, realizes automatic loading function, mainly including travelling trolley and fork carriage for loading goods, and specific use can be completed loading with intelligent lifting platform.
[0003] In the actual use process of handling trolley, there are high packing accuracy requirement, small gap of stacking goods, for example, the packing of barrel goods, one goods includes two layers of four barrels each layer and the width is 1170mm, the standard container door width is 2343mm, the remaining width in the same row of carriage after one goods packing is 1173, equivalent to the gap between the next one goods and the previous one goods is only 3mm when loading, therefore, in the case that one side of the same row of carriage has been filled with goods, handling trolley body needs to be adjusted to be coaxial with fork carriage and container, so as to ensure that fork carriage can load goods into empty space for stacking, especially when the last several rows of goods are stacked, the space left for fork carriage in container is very narrow.
[0004] However, the existing handling trolley generally only has obstacle avoidance walking function, and the turning of trolley body is mainly realized by differential rotation between two front wheels, which makes it difficult to automatically adjust the trolley body, and manual intervention or multiple adjustments are needed, and since the ground inside container is not always flat, the trolley body needs to be adjusted in real time during loading, and once the trolley body is tilted, the fork carriage is likely to hit and damage the goods in the container or the container side wall.
[0005] Aiming at the problems existing in the prior art, the utility model provides a handling trolley for loading system, which can effectively solve the problems existing in the prior art. UTILITY MODEL CONTENTS
[0006] Aiming at the problems existing in the prior art, the utility model provides a handling trolley for loading system, which can effectively solve the problems existing in the prior art.
[0007] The technical scheme of the utility model is:
[0008] A handling trolley for loading system, the loading system includes a platform for docking with carriage, the platform top middle part is protruded and provided with a guide part coaxial with the front and rear of the carriage;The handling trolley comprises:
[0009] The vehicle body is provided with a cargo carrying mechanism on one side for carrying cargo and driven to move laterally by a lateral movement driving device. The bottom of the vehicle body is provided with front and rear distributed walking wheel groups and swing wheel groups, and several groups of guide wheel groups distributed in front and back. The walking wheel groups are driven to rotate forward and backward by a walking driving device. The swing wheel groups are driven to swing left and right by a rotating driving device. The guide wheel groups are spaced apart and roll against the left and right sides of the guide. The left and right sides of the vehicle body are respectively provided with a distance sensing device.
[0010] Further, the number of walking wheel groups is two and is arranged on the left and right sides of the front part of the vehicle body. The number of swing wheel groups is one and is arranged on the rear side of the middle part of the vehicle body shaft. The swing wheel groups are spaced apart and distributed on the left and right sides of the guide. The number of guide wheel groups is two, which are respectively front guide wheel groups and rear guide wheel groups distributed in front and back on the middle part of the vehicle body shaft. The front guide wheel groups are arranged on the rear side of the two walking wheel groups. The rear guide wheel groups are arranged on the rear side of the swing wheel groups.
[0011] Further, the swing wheel group includes two rudders connected by a steering seat and distributed on the left and right sides of the guide. The steering seat is rotatably connected to a fixed seat installed on the bottom of the vehicle body. An outer gear ring is sleeved on the outside of the steering seat. The rotating driving device is arranged on the side of the fixed seat and the driving end is engaged with the outer gear of the outer gear ring through a driving gear. The fixed seat is internally provided with a walking motor for driving the rotation of the two rudders.
[0012] Further, the guide includes a plurality of guide blocks and positioning blocks arranged in sequence from back to front along the middle line of the platform shaft. The guide blocks and positioning blocks are both screwed to the top of the platform. The left and right widths of a positioning block gradually decrease towards the direction close to the vehicle compartment.
[0013] Further, the bottom of the vehicle body is fixedly provided with two guide structures symmetrically distributed in front and back. Each guide structure includes a guide seat, a guide block slidingly sleeved on a guide rod extending front and back in the guide seat, a spring fixed at one end and connected to the guide block at the other end, a slide rod extending left and right, two slide blocks slidingly sleeved on the slide rod, and two connecting rods hingedly connected to the two slide blocks at one end and to the guide block at the other end. The bottom of the guide seat is provided with a slide groove extending left and right. The front guide wheel group includes two rotating shafts slidingly penetrating the slide grooves of the front guide seats and connected to the slide blocks, and two front guide wheels rotatably sleeved on the lower ends of the rotating shafts. The rear guide wheel group includes two rotating shafts slidingly penetrating the slide grooves of the rear guide seats and connected to the slide blocks, and two rear guide wheels rotatably sleeved on the lower ends of the rotating shafts.
[0014] Further, the loading mechanism comprises a portal frame and a fork frame, the portal frame is rotatably arranged on the front side of the vehicle body and is driven to rotate by a pitch cylinder, the portal frame comprises a longitudinal driving device and a transverse driving device, the fork frame is arranged on the front end of the portal frame and is driven to move up and down by the longitudinal driving device and to move left and right by the transverse driving device.
[0015] Further, the longitudinal driving device is connected with a lifting frame at the driving end, the transverse driving device comprises a ball screw arranged on the lifting frame and a screw rod motor for driving the ball screw to rotate, and the fork frame is screwed with the ball screw through screwing pieces.
[0016] Therefore, the utility model provides the following effects and / or advantages:
[0017] 1. Through the cooperation between the guide element and the plurality of groups of guide wheels, the vehicle body of the carrying trolley is always coaxial with the vehicle compartment during the process of walking on the platform and entering the vehicle compartment, and the feeding mechanism can accurately place the goods in the middle of the loading mechanism, on this basis, through the cooperation between the walking wheel groups rotating forward and backward and the swing wheel groups swinging left and right and the distance sensing device, when the vehicle body of the carrying trolley is skewed due to the influence of the concave-convex of the vehicle compartment floor after entering the vehicle compartment, the swing wheel groups can be quickly adjusted to be straight through the left and right swinging of the swing wheel groups, thereby ensuring that the vehicle body of the carrying trolley is always coaxial with the vehicle compartment during the loading process, so as to ensure that the carrying trolley carries the next batch of goods in place and the loading mechanism can load the next batch of goods into the empty space in the positive direction after transverse movement, and when loading to the last row of goods closest to the vehicle compartment door, the vehicle body of the carrying trolley can be limited by the guide element and the plurality of groups of guide elements on the platform to ensure that it is opposite to the vehicle compartment, and only the loading mechanism transversely moves to load the goods, which greatly improves the stability and accuracy of the goods loading, improves the loading efficiency, and avoids the situation that the vehicle body is skewed and the loading mechanism collides and damages the goods in the tank or the side wall of the container during loading.
[0018] 2. By arranging the rear guide wheel groups and the front guide wheel groups respectively behind the rear side of the swing wheel groups and the rear side of the walking wheel groups, during the process of the carrying trolley retreating from the vehicle compartment to the platform, the swing wheel groups are accurately moved to the two sides of the guide element through the limiting cooperation of the rear guide wheel groups and the guide element, and the two groups of walking wheel groups are accurately moved to the two sides of the guide element through the limiting cooperation of the front guide wheel groups and the guide element, thereby improving the guiding stability and accuracy of the guide wheel groups.
[0019] 3. The guide element is divided into a plurality of guide blocks and positioning blocks, so that the guide element can also be installed and used on the existing lifting platform, greatly reducing the additional cost of the guide element, and through the positioning and guiding effect of the positioning blocks, the rear guide wheel can smoothly roll to the left and right sides of the plurality of guide blocks after contacting the rear guide wheel, thereby avoiding the situation of guide jamming and improving the practicality of the guide element.
[0020] 4. By adding a guide structure, the two front guide wheels and two rear guide wheels can be elastically rolled and clamped on the left and right sides of several guide blocks. Furthermore, through the linkage and limiting of the guide rod, guide block, and two connecting rods, the relative displacement between the two front guide wheels and the two rear guide wheels is the same. This ensures that the front guide wheel group and the rear guide wheel group are always coaxially aligned with the carriage when they are rolled and clamped on both sides of the guide blocks. While ensuring the guiding accuracy of the front guide wheel group and the rear guide wheel group, the rolling clamping distance between the front guide wheels and the rear guide wheels can be adjusted, thus improving the adaptability of the guide wheel group.
[0021] It should be understood that the above summary and the following detailed description of the present invention are exemplary and explanatory, and are intended to provide further explanation of the present invention as claimed. Attached Figure Description
[0022] Figure 1 This is a schematic diagram of the loading system.
[0023] Figure 2 This is a schematic diagram of the transport trolley in Example 1.
[0024] Figure 3 This is a schematic diagram of the transport trolley in Example 1.
[0025] Figure 4 This is a schematic diagram of the platform structure in Example 1.
[0026] Figure 5 This is a schematic diagram of the oscillating wheel assembly in Example 1.
[0027] Figure 6 This is a schematic diagram of the transport trolley in Example 2.
[0028] Figure 7 for Figure 6 Exploded view of the guide wheel assembly. Detailed Implementation
[0029] To facilitate understanding by those skilled in the art, the structure of this utility model will now be described in further detail with reference to the accompanying drawings:
[0030] Example 1
[0031] refer to Figures 1-5The utility model provides a carrying trolley for loading system, the loading system includes the platform 1 for butting the compartment 8, the platform 1 top middle part is provided with the guide 11 with the coaxial arrangement of the compartment 8 front and back, specifically, loading system still includes gantry carrying mechanism for conveying goods to the platform 1 and placing on the carrying trolley fork frame, the platform 1 is lifting platform 1, and the vehicle of loading backs up to the coaxial opposite of lifting platform 1 and butt joint, the carrying trolley includes:
[0032] The vehicle body 2 is provided with the load carrying mechanism 3 for carrying goods and driven transversely on one side by the transverse drive device 35, the bottom of the vehicle body 2 is provided with front and back distributed walking wheel groups 4 and swing wheel groups 5 and front and back distributed several groups of guide wheel groups 6, the walking wheel groups 4 are driven to rotate front and back by the walking drive device 41, the swing wheel groups 5 are driven to swing left and right by the rotation drive device 51, the interval between each group of guide wheel groups 6 is arranged and rolls against the left and right sides of the guide 11, and the vehicle body 2 is respectively provided with distance sensing devices on the left and right sides, and specifically, the walking drive device 41 includes a motor, a belt connected between the rotating drive end of the motor and the walking wheel, and a photoelectric sensor as the distance sensing device.
[0033] The above structure is arranged, the vehicle body 2 of the carrying trolley is always coaxial with the compartment 8 during walking on the platform 1 into the compartment 8, and the feeding mechanism can accurately place the goods on the load carrying mechanism 3, on the basis, the vehicle body 2 of the carrying trolley is skewed when entering the compartment 8 is affected by the bottom plate of the compartment 8, the left and right swing of the swing wheel groups 5 can be quickly adjusted back to normal, so that the vehicle body 2 of the carrying trolley is always coaxial with the compartment 8 during loading, so that the next batch of goods can be placed in place and the load carrying mechanism 3 can be transversely moved to load the next batch of goods into the empty space, and when loading to the last row of goods closest to the compartment 8 door, the vehicle body 2 of the carrying trolley can be limited by the guide 11 and several groups of guides on the platform 1 to ensure that it is opposite to the compartment 8, only the load carrying mechanism 3 is transversely moved to load the goods, which greatly improves the stability and accuracy of the goods loading, improves the loading efficiency, and avoids the situation that the vehicle body 2 is skewed and the load carrying mechanism 3 collides and damages the goods in the compartment or the side wall of the container during loading.
[0034] In order to improve the adjustment efficiency of the swing wheel group 5 to the vehicle body 2, the number of the walking wheel group 4 is two groups and is arranged on the left and right sides of the front part of the vehicle body 2, the number of the swing wheel group 5 is one group and is arranged on the rear side of the middle part of the vehicle body 2, and the distance between the swing wheel groups 5 is arranged and distributed on the left and right sides of the guide 11, so that the effect of quickly adjusting the vehicle body 2 of the handling trolley by the swing wheel group 5 arranged in the middle part can be realized; in order to improve the guiding effect of the guide wheel group 6, the number of the guide wheel group 6 is two groups, which are respectively the front guide wheel group 61 and the rear guide wheel group 62 distributed in the middle part of the vehicle body 2, the front guide wheel group 61 is arranged on the rear side of the two walking wheel groups 4, and the rear guide wheel group 62 is arranged on the rear side of the swing wheel group 5, so that by arranging the rear guide wheel group 62 and the front guide wheel group 61 respectively on the rear side of the swing wheel group 5 and on the rear side of the walking wheel group 4, the handling trolley is retreated from the carriage 8 to the platform 1, and the rear guide wheel group 62 is limited by the guide 11 to ensure that the swing wheel group 5 is accurately moved to the left and right sides of the guide 11, and the front guide wheel group 61 is limited by the guide 11 to ensure that the two walking wheel groups 4 are accurately moved to the left and right sides of the guide 11, thereby improving the guiding stability and accuracy of the guide wheel group 6.
[0035] In order to improve the stability of the swing wheel group 5, the swing wheel group 5 includes two rudders 53 connected by a steering seat 52 and distributed on the left and right sides of the guide 11, the steering seat 52 is rotatably connected to a fixed seat 54 installed on the bottom of the vehicle body 2, an outer gear ring 521 is sleeved on the outside of the steering seat 52, the rotating driving device 51 is arranged on the side of the fixed seat 54 and the driving end is engaged with the outer gear of the outer gear ring 521 through a driving gear 511, and the fixed seat 54 is internally provided with a walking motor 541 for driving the two rudders 53 to rotate and walk, specifically, the walking motor 541 is a servo motor. Therefore, the rudders 53 are driven to swing through the engagement between the gear 511 and the outer gear ring 521, and the rudders 53 are driven to rotate and walk through the walking motor 541, thereby improving the swing stability and walking stability of the rudders 53, and further improving the stability of the swing wheel group 5.
[0036] Since the existing loading system uses a lifting platform 1 which is already mature, directly replacing the whole lifting platform 1 is costly, therefore, in order to reduce the cost of adding the guide 11, the guide 11 comprises a plurality of guide blocks 111 and a positioning block 112 which are distributed in sequence and abut from back to front along the axis center line of the platform 1, the guide blocks 111 and the positioning block 112 are both screwed on the top of the platform 1, and the left and right widths of a positioning block 112 gradually decrease towards the direction close to the carriage 8. Thus, the guide 11 is divided into a plurality of guide blocks 111 and a positioning block 112, so that the guide 11 can also be installed and used on the existing lifting platform 1, greatly reducing the cost of adding the guide 11, and through the positioning and guiding effect of the positioning block 112, the rear guide wheel can smoothly roll to the left and right sides of the plurality of guide blocks 111 after contacting the rear guide wheel, avoiding the existence of guide jamming, improving the practicality of the guide 11.
[0037] Specifically, the cargo carrying mechanism 3 comprises a portal frame 31 and a fork frame 32, the portal frame 31 is rotationally arranged on the front side of the vehicle body 2 and is driven to rotate by a pitch cylinder 33, the portal frame 31 comprises a longitudinal driving device 34 and a transverse driving device 35, the fork frame 32 is arranged on the front end of the portal frame 31 and is driven to rise and fall by the longitudinal driving device 34 and is driven to move left and right by the transverse driving device 35.
[0038] In order to improve the stability of the transverse movement of the fork frame 32, the longitudinal driving device 34 is connected with a lifting frame 341 at the driving end, the transverse driving device 35 comprises a ball screw arranged on the lifting frame 341 and a screw rod motor for driving the ball screw to rotate, and the fork frame 32 is screwed with the ball screw through a screwing piece.
[0039] Embodiment two
[0040] Reference Figures 6-7 The difference between the present embodiment and embodiment one is that:
[0041] The guide piece 11 is divided into a plurality of guide blocks 111 and a positioning block 112, which greatly reduces the installation cost of the guide piece 11, but there is a certain error in the production process of the guide block 111, and it is difficult to achieve the width of the guide block 111. Corresponding, therefore, after a plurality of guide blocks 111 are installed in the middle of the platform 1, the width of the left and right sides will not be uniform, therefore, in order to ensure that the guide wheel set 6 can be accurately rolled and fitted on the side of the plurality of guide blocks 111 for guiding, the bottom of the vehicle body 2 is fixed with two guide structures 7 symmetrically distributed in front and back. Each of the guide structures 7 comprises a guide seat 71, a guide rod 72 extending forward and backward is arranged in the guide seat 71, a guide block 73 is slidably sleeved on the guide rod 72, a spring 74 is fixed at one end and connected to the guide block 73 at the other end, a slide rod 75 extends left and right, two sliding blocks are slidably sleeved on the slide rod 75, two connecting rods 76 are hingedly connected to the two sliding blocks at one end and hingedly connected to the guide block 73 at the other end. Specifically, the guide rod 72 and the slide rod 75 are perpendicular to each other, one end of the spring 74 is fixed to the inner wall of the guide seat 71, and the other end is fixed to the side of the guide block 73 away from the slide rod 75. The bottom of the guide seat 71 is provided with a slide groove extending left and right, the front guide wheel set 61 comprises two rotating shafts slidably penetrating the slide groove of the guide seat 71 on the front side and connected to the sliding block, and two front guide wheels rotatably sleeved on the lower end of the rotating shaft, the rear guide wheel set 62 comprises two rotating shafts slidably penetrating the slide groove of the guide seat 71 on the rear side and connected to the sliding block, and two rear guide wheels rotatably sleeved on the lower end of the rotating shaft. Thus, by adding the guide structure 7, the two front guide wheels and the two rear guide wheels can be elastically rolled and clamped on the left and right sides of the plurality of guide blocks 111, and by the linkage and positioning of the guide rod 72, the guide block 73 and the two connecting rods 76, the relative displacement between the two front guide wheels and the two rear guide wheels is the same, so that the front guide wheel set 61 and the rear guide wheel set 62 are always coaxial with the carriage 8 when they are rolled and clamped on both sides of the guide block 111. Under the premise of ensuring the guiding accuracy of the front guide wheel set 61 and the rear guide wheel set 62, the rolling and clamping spacing between the front guide wheels and the rear guide wheels is adjusted, and the adaptability of the guide wheel set 6 is improved.
[0042] It should be pointed out that the implementation principle and the technical effects of the embodiment are the same as those of the first embodiment, and for the sake of brevity, the embodiment is not mentioned. The corresponding content in the first embodiment can be referred to.
[0043] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Those skilled in the art can make various changes and modifications to the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A handling trolley for a loading system comprising a platform (1) for docking a wagon (8), characterized in that, The platform (1) top middle part is provided with a guide piece (11) coaxially arranged in front and back of the carriage (8); the carrying trolley comprises: The vehicle body (2) is provided with a cargo carrying mechanism (3) on one side for carrying cargo and driven to move horizontally by a horizontal moving driving device (35), the bottom of the vehicle body (2) is provided with front and back distributed walking wheel groups (4) and swing wheel groups (5), and front and back distributed guide wheel groups (6), the walking wheel groups (4) are driven to rotate forward and backward by a walking driving device (41), the swing wheel groups (5) are driven to swing left and right by a rotating driving device (51), each group of the guide wheel groups (6) are arranged at intervals and roll against the left and right sides of the guide piece (11), and the left and right sides of the vehicle body (2) are respectively provided with distance sensing devices.
2. A tote cart for a load-out system as defined in claim 1, wherein, The number of the walking wheel groups (4) is two and they are arranged on the left and right sides of the front part of the vehicle body (2), the number of the swing wheel groups (5) is one and they are arranged on the rear side of the middle part of the shaft of the vehicle body (2), the swing wheel groups (5) are arranged at intervals and distributed on the left and right sides of the guide piece (11), the number of the guide wheel groups (6) is two and they are respectively front and back distributed front guide wheel groups (61) and rear guide wheel groups (62) on the middle part of the shaft of the vehicle body (2), the front guide wheel groups (61) are arranged on the rear side of the two walking wheel groups (4), and the rear guide wheel groups (62) are arranged on the rear side of the swing wheel groups (5).
3. A tote cart for a load-out system as defined in claim 1, wherein, The swing wheel groups (5) comprise two rudders (53) connected by a steering seat (52) and distributed on the left and right sides of the guide piece (11), the steering seat (52) is rotatably connected to a fixed seat (54) installed on the bottom of the vehicle body (2), an outer gear ring (521) is sleeved on the outside of the steering seat (52), the rotating driving device (51) is arranged on the side of the fixed seat (54) and the driving end is engaged with the outer gear of the outer gear ring (521) through a driving gear (511), and a walking motor (541) for driving the two rudders (53) to rotate and walk is arranged in the fixed seat (54).
4. A tote cart for a load-out system as defined in claim 1, wherein, The guide piece (11) comprises a plurality of guide blocks (111) and positioning blocks (112) arranged in sequence from back to front along the middle line of the shaft of the platform (1), the guide blocks (111) and the positioning blocks (112) are all screwed on the top of the platform (1), and the left and right widths of a positioning block (112) gradually decrease towards the direction close to the carriage (8).
5. A tote cart for a load-out system as defined in claim 2, wherein, The bottom of the vehicle body (2) is fixed with two guide structures (7) symmetrically distributed front and back, each of the guide structures (7) comprises a guide seat (71), the guide seat (71) is provided with a guide rod (72) extending front and back, a guide block (73) slidingly sleeved on the guide rod (72), a spring (74) fixed at one end and connected to the guide block (73) at the other end, a slide rod (75) extending left and right, two slide blocks slidingly sleeved on the slide rod (75), two connecting rods (76) hingedly connected to the two slide blocks at one end and hingedly connected to the guide block (73) at the other end, the guide seat (71) is provided with a slide groove extending left and right at the bottom, the front guide wheel set (61) comprises two rotating shafts slidingly penetrating the slide grooves of the guide seats (71) on the front side and connected to the slide blocks, and two front guide wheels rotatingly sleeved on the lower ends of the rotating shafts, the rear guide wheel set (62) comprises two rotating shafts slidingly penetrating the slide grooves of the guide seats (71) on the rear side and connected to the slide blocks, and two rear guide wheels rotatingly sleeved on the lower ends of the rotating shafts.
6. A tote cart for a load-out system as defined in claim 1, wherein, The cargo carrying mechanism (3) comprises a portal frame (31) and a fork frame (32), the portal frame (31) is rotationally arranged on the front side of the vehicle body (2) and is driven to rotate by a pitch cylinder (33), the portal frame (31) comprises a longitudinal driving device (34) and a transverse driving device (35), the fork frame (32) is arranged on the front end of the portal frame (31) and is driven to rise and fall by the longitudinal driving device (34) and is driven to move left and right by the transverse driving device (35).
7. A tote cart for a load-out system as defined in claim 6, wherein, The longitudinal driving device (34) is connected with a lifting frame (341) at the driving end, the transverse driving device (35) comprises a ball screw arranged on the lifting frame (341) and a screw rod motor driving the ball screw to rotate, and the fork frame (32) is screwed with the ball screw through screw members.