Box-type shuttle vehicle

Abstract

The utility model provides a box type shuttle vehicle which comprises a base trolley capable of walking in the transverse direction. The current collection arm is arranged on one side of the base trolley, and the safety of equipment maintenance can be improved through the current collection arm in a power supply mode; the stretching fork driving mechanism is arranged on the base trolley and used for driving the stretching fork piece to stretch out and draw back in the longitudinal direction, and the stretching fork driving mechanism can improve a sliding structure for stretching out and drawing back of a fork plate to improve the stretching fork stability; and the code scanner is arranged on the edge of the side, away from the current collection arm, of the base trolley, and the positioning precision is improved through the code scanner.

Description

Technical Field

[0001] The utility model relates to logistics storage equipment, in particular to a box-type shuttle vehicle. Background Art

[0002] The box shuttle is a highly automated logistics equipment, mainly used for storing and carrying light goods such as material boxes or cartons. At present, the domestic shuttle fork extension detection photoelectric fixed on the vehicle body, not on the telescopic fork plate, can only effectively detect the goods in the near extension position, that is, the first cargo position. In addition, the current box shuttle needs to consider the power supply safety, positioning accuracy, and fork extension stability to improve the overall quality of the box shuttle. Summary of the invention

[0003] In view of the shortcomings of the prior art, the utility model provides a box-type shuttle vehicle, improves the power supply method to improve the safety of equipment maintenance, improves the positioning method to improve the positioning accuracy, and improves the sliding structure of the fork plate extension to improve the stability of the fork extension. The technical solution adopted by the utility model is:

[0004] A box-type shuttle vehicle, comprising:

[0005] The base trolley can move horizontally;

[0006] A current collecting arm is arranged on one side of the base trolley;

[0007] A fork extension drive mechanism and a fork extension member, wherein the fork extension drive mechanism is arranged on the base trolley and is used to drive the fork extension member to extend and retract in the longitudinal direction;

[0008] The code scanner is arranged at an edge of one side of the base trolley away from the collector arm.

[0009] Further, the fork extension member includes a middle fork plate, and the fork extension drive mechanism can drive the middle fork plate to move longitudinally;

[0010] The outer fork plate and the inner fork plate are slidably connected to the two sides of the middle fork plate through sliding parts respectively, the outer fork plate is fixed on the base trolley, and the two ends of the inner side of the inner fork plate are respectively provided with detection photoelectric and reflection plates;

[0011] A third driving motor is arranged on the inner fork plate, and an output end of the third driving motor is connected to a lever so that the lever turns over on the inner side of the inner fork plate;

[0012] The lower pulling part and the upper pulling part are transmission-connected among the middle fork plate, the outer fork plate and the inner fork plate to realize the extension and retraction of the inner fork plate.

[0013] Furthermore, the lower pulling part includes a lower movable pulley and a lower pulling belt, the lower movable pulley is rotatably connected to the middle fork plate, and the lower pulling belt passes around the lower movable pulley, with both ends respectively fixed to the side of the outer fork plate and the side of the inner fork plate.

[0014] Further, the upper pulling part includes an upper moving pulley and an upper pulling belt. The upper moving pulley is rotatably connected to the middle fork plate, and the upper pulling belt bypasses the upper moving pulley and is fixed to the side surfaces of the outer fork plate and the inner fork plate at both ends respectively.

[0015] Further, the drag chain part includes a drag chain and a drag chain roller. The drag chain roller is rotatably connected to the middle fork plate, and the drag chain bypasses the drag chain roller and is fixed to the top surfaces of the outer fork plate and the inner fork plate at both ends respectively.

[0016] Further, the sliding part includes:

[0017] A slide rail, fixed on the side surface of the middle fork plate and extending longitudinally;

[0018] A slide bar is arranged parallel to the slide rail and is used for fixedly connecting the outer fork plate or the inner fork plate;

[0019] An eccentric roller and a concentric roller are respectively rotatably connected to the slide bar through a fourth adjusting screw, and the eccentric roller and the concentric roller respectively roll in the slide rail.

[0020] Advantages of the present utility model:

[0021] The collector arm is adopted to realize the power supply of the low-voltage retention power supply sliding contact wire, and the power supply can be cut off outside the roadway for equipment maintenance. The 48V low-voltage direct current is safer for personnel maintenance than the 220V alternating current voltage, improving the safety of equipment maintenance;

[0022] The barcode scanner is adopted for barcode scanning and positioning, and the positioning accuracy can reach ±1mm, with high positioning accuracy;

[0023] The detection photoelectric and the reflector are arranged on the side surface of the inner fork plate, and the goods at the far extension position (i.e., the second storage location) during double-extended storage can be effectively detected, effectively solving the problem that the turnover box cannot be detected by the photoelectric at the far extension position during double-extended storage. Description of the Drawings

[0024] Figure 1 It is a schematic structural diagram of the shuttle car.

[0025] Figure 2 It is a schematic structural diagram of the base trolley.

[0026] Figure 3 It is a schematic structural diagram of the lower frame.

[0027] Figure 4 It is a schematic structural diagram of the first driving part.

[0028] Figure 5 It is a schematic structural diagram of the telescopic fork driving mechanism.

[0029] Figure 6 It is a schematic structural diagram of the first perspective of the fork extension part.

[0030] Figure 7 It is a schematic structural diagram of the second perspective of the fork extension part.

[0031] Figure 8 It is a schematic combined structural diagram of the lower pulling part and the upper pulling part 460.

[0032] Figure 9 It is a schematic structural diagram of the tensioning part.

[0033] Figure 10 It is a schematic structural diagram of the sliding part.

[0034] In the figure: 100 - base trolley, 200 - current collector arm, 300 - fork extension drive mechanism, 400 - fork extension part, 500 - barcode scanner, 600 - electrical control box, 110 - lower frame, 120 - first driving shaft, 121 - first driving wheel, 130 - first driving part, 140 - first driven shaft, 141 - first driven wheel, 150 - first enclosure, 160 - second enclosure, 170 - pallet, 111 - cross beam, 112 - longitudinal beam, 113 - lower fixing plate, 114 - first guide wheel, 115 - lower guide block, 131 - first driving motor, 132 - second driving wheel, 133 - first support, 134 - second driven wheel, 135 - second synchronous belt, 136 - first fixing plate, 137 - first adjusting screw, 310 - second driving motor, 320 - second support, 330 - plum blossom coupling, 340 - third driving shaft, 350 - third driving wheel, 360 - third driven wheel, 370 - third synchronous belt, 410 - middle fork plate, 411 - middle fork slide rail, 420 - outer fork plate, 430 - inner fork plate, 431 - detection photoelectric, 432 - reflector, 440 - third driving motor, 441 - lever, 450 - lower pulling part, 451 - lower movable pulley, 425 - lower pulling belt, 460 - upper pulling part, 461 - upper movable pulley, 462 - upper pulling belt, 470 - tensioning part, 471 - second fixing plate, 472 - second adjusting screw, 473 - third fixing plate, 474 - fourth fixing plate, 480 - drag chain part, 481 - drag chain, 482 - drag chain roller,, 490 - sliding part, 491 - slide rail, 492 - slide bar, 493 - eccentric roller, 494 - concentric roller, 495 - fourth adjusting screw. Detailed implementation manners

[0035] In order to make the objectives, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0036] Please refer to the attached Figure 1 , the present utility model provides a box - type shuttle car, including: a base car 100 capable of traveling horizontally; a current collector arm 200 arranged on one side of the base car 100; a fork extension driving mechanism 300 and a fork extension member 400, the fork extension driving mechanism 300 is arranged on the base car 100 and used to drive the fork extension member 400 to extend and retract longitudinally; a bar code scanner 500 arranged at the edge of the side of the base car 100 away from the current collector arm 200.

[0037] Taking the direction in the attached Figure 1 as a reference, the base car 100 travels in the left - right (i.e., horizontal) direction, the current collector arm 200 is located on the rear side surface of the base car 100, the power supply voltage of the current collector arm 200 is low - voltage 48V, and it takes power from the sliding contact wire to supply power to the whole shuttle car. The fork extension driving mechanism 300 and the fork extension member 400 are respectively installed left - right (i.e., horizontally) with respect to the base car 100 and arranged in parallel. Each fork extension driving mechanism 300 drives a fork extension member 400 to extend and retract in the front - rear direction (i.e., longitudinally). An electrical control box 600 is fixed on the base car 100 to supply power to each electrical component on the shuttle car.

[0038] In one embodiment, as shown in the attached Figure 2 , the base car 100 includes a lower frame 110, a first driving shaft 120, a first driving wheel 121, a first driving part 130, a first driven shaft 140, a first driven wheel 141, a first enclosing plate 150, a second enclosing plate 160 and a support plate 170; the first driving shaft 120 and the first driven shaft 140 are arranged horizontally in parallel, and the first driving shaft 120 and the first driven shaft 140 respectively extend longitudinally; the first driving wheel 121 is installed at the front and rear ends of the first driving shaft 120, the first driven wheel 141 is installed at the front and rear ends of the first driven shaft 140, and the left - right travel of the base car 100 is realized by using the first driving wheel 121 and the first driven wheel 141; the first driving part 130 drives the first driving shaft 120 to rotate to provide the driving power for the base car 100 to travel; the first enclosing plate 150 and the second enclosing plate 160 respectively surround the components on the left and right sides of the base car 100, and the first enclosing plate 150 and the second enclosing plate 160 are respectively fixed on the lower frame 110 to protect the left and right sides of the base car 100; the support plate 170 is located on the surface of the lower frame 110 and two are symmetrically arranged left - right.

[0039] In a specific embodiment, as shown in the attached Figure 3As shown, the lower frame 110 includes two cross beams 111, two longitudinal beams 112, a lower fixed plate 113, a first guide wheel 114 and a lower guide block 115; the two longitudinal beams 112 are provided with through holes, and the two cross beams 111 are cross-arranged with the two longitudinal beams 112 and pass through the through holes, so that the two cross beams 111 and the two longitudinal beams 112 form a square frame structure, and four lower guide blocks 115 are respectively arranged at the four corners of the frame structure, and the guide blocks 115 are used for the sliding connection and guidance of the fork member 400 in the longitudinal direction. At the same time, bearing seats are respectively arranged at the four corners of the frame structure, and the bearing seats are used for installing the first driving shaft 120 and the second driving shaft 140 to realize the rotational connection between the first driving shaft 120 and the second driving shaft 140; the collector arm 200 is installed on one side of the frame structure, and the lower fixed plates 113 are respectively installed on the left and right ends of the other side, and at least one first guide wheel 114 is installed on each lower fixed plate 113, and the first guide wheel 114 plays the role of walking guide of the shuttle.

[0040] In a specific embodiment, as shown in the attached Figure 4 As shown, the first driving unit 130 includes a first driving motor 131, a second driving wheel 132, a first support 133, a second driven wheel 134, and a second synchronous belt 135; it is easy to understand that the first support 133 is fixed on one of the longitudinal beams 112, the first driving motor 131 is a reduction motor, installed on the side of the first support 133, the output end of the first driving motor 131 is connected to the second driving wheel 132, the second driven wheel 134 is connected to the first driving shaft 120 by a key, and the second driving wheel 132 and the second driven wheel 134 are connected by a second synchronous belt 135; the second driving wheel 132 is driven to rotate by the first driving motor 131, and the power is transmitted to the first driving wheel 121 via the second synchronous belt 135, the second driven wheel 134, and the first driving shaft 120, so as to realize the movement of the base trolley 100.

[0041] From the attached Figure 4 It can be seen that the outer surfaces of the second driving wheel 132 and the second driven wheel 134 are provided with teeth, and the inner surface of the second synchronous belt 135 is provided with teeth, which can improve the transmission stability.

[0042] Furthermore, a first fixing plate 136 is installed on the longitudinal beam 112 corresponding to the first support 133, and a first adjusting screw 137 is installed on the side of the first fixing plate 136, one end of the first adjusting screw 137 is threadedly connected to the first support 133, and the first support 133 and the longitudinal beam 112 are connected by a guide groove; when in use, the position of the first support 133 can be adjusted by rotating the first adjusting screw 137, so as to adjust the distance between the second driving wheel 132 and the second driven wheel 134, and then tighten the second synchronous belt 135 for tensioning.

[0043] In one embodiment, please refer to the attachedFigure 5 The fork extension driving mechanism 300 includes a second driving motor 310, a second support 320, a plum coupling 330, a third driving shaft 340, a third driving pulley 350, a third driven pulley 360, and a third synchronous belt 370. The second support 320 is fixed on one of the longitudinal beams 112. The second driving motor 310 is installed on the second support 320, and the output end of the second driving motor 310 is in transmission connection with the third driving shaft 340 through the plum coupling 330. The third driving shaft 340 extends horizontally and is rotatably connected to the two cross beams 111 through bearings respectively. Two third driving pulleys 350 are key-connected to the third driving shaft 340. Third driven pulleys 360 corresponding to the third driving pulleys 350 are rotatably arranged on the two cross beams 111 respectively. The third driving pulley 350 and the third driven pulley 360 are in transmission connection through the third synchronous belt 370. The third synchronous belt 370 is arranged longitudinally and is in transmission connection with the fork extension member 400.

[0044] In a specific embodiment, the outer surfaces of the third driving pulley 350 and the third driven pulley 360 are toothed, and the inner and outer surfaces of the third synchronous belt 370 are respectively toothed. The power output of the second driving motor 310 is transmitted to the third driving shaft 340 through the plum coupling 330. The plum coupling 330 can adjust the concentricity deviation problem caused by installation errors. The third driving shaft 340 is used to realize the rotation of the two third driving pulleys 350, and then realize the synchronous movement of the two third synchronous belts 370, so as to complete the telescopic movement of the fork extension member 400 in the longitudinal direction.

[0045] In this application, please refer to the attached Figure 6 and the attached Figure 7 and the attached Figure 8 . The fork member 400 includes a middle fork plate 410. The fork extension driving mechanism 300 can drive the middle fork plate 410 to move longitudinally. An outer fork plate 420 and an inner fork plate 430 are respectively slidably connected to both sides of the middle fork plate 410 through sliding parts 490. The outer fork plate 420 is fixed on the base trolley 100. Detection photoelectric sensors 431 and reflecting plates 432 are respectively arranged at both ends of the inner side of the inner fork plate 430. A third driving motor 440 is arranged on the inner fork plate 430, and a lever 441 is connected to the output end thereof, so that the lever 441 flips on the inner side of the inner fork plate 430. A lower pulling part 450 and an upper pulling part 460 are in transmission connection among the middle fork plate 410, the outer fork plate 420, and the inner fork plate 430 to realize the telescopic movement of the inner fork plate 430.

[0046] In one embodiment, two outer fork plates 420 are respectively fixed to the inner sides of the first enclosure plate 150 and the second enclosure plate 160 of the base trolley 100; the number of the limit assemblies formed by the third drive motor 440 and the lever 441 is determined according to the travel requirements of the shuttle car, but at least one set of limit assemblies needs to be arranged at the front and rear ends of the inner fork plate 430 respectively; the third drive motor 440 is a reduction motor, and its rotation center is arranged longitudinally so that the lever 441 flips towards the center line of the base trolley 100 on the vertical plane to block the goods. According to the flipping requirements of the lever 441, appropriate grooves need to be machined on the side of the inner fork plate 430 to facilitate the hiding of the lever 441; the detection optoelectronic device 431 and the reflector 432 are used for detecting the goods, and when the fork extension member 400 extends and retracts longitudinally, the goods at the far extension position can be detected.

[0047] In a specific embodiment, the bottom of the middle fork plate 410 is toothed and meshes with the tooth shape at the bottom of the third synchronous belt 370 to achieve the effect of linear transmission and improve the stability of the longitudinal extension and retraction of the middle fork plate 410.

[0048] In a specific embodiment, please refer to the attached Figure 7 and Figure 8 , the lower pulling part 450 includes a lower moving pulley 451 and a lower pulling belt 452. The lower moving pulley 451 is rotatably connected to the middle fork plate 410. The lower pulling belt 452 bypasses the lower moving pulley 451, and both ends are respectively fixed to the side of the outer fork plate 420 and the side of the inner fork plate 430; the upper pulling part 460 includes an upper moving pulley 461 and an upper pulling belt 462. The upper moving pulley 461 is rotatably connected to the middle fork plate 410. The upper pulling belt 462 bypasses the upper moving pulley 461, and both ends are respectively fixed to the side of the outer fork plate 420 and the side of the inner fork plate 430.

[0049] The lower moving pulley 451 and the upper moving pulley 461 are respectively located on the front and rear sides of the middle fork plate 410 and are arranged vertically and can rotate freely; one end of the lower pulling belt 452 is connected to the front end of the inner side of the outer fork plate 420, and the other end is connected to the front end of the outer side of the inner fork plate 430. One end of the upper pulling belt 462 is connected to the rear end of the inner side of the outer fork plate 420, and the other end is connected to the rear end of the outer side of the inner fork plate 430. Thus, in the top view, the upper pulling belt 462 and the lower pulling belt are arranged in a cross shape; the two pulling belts arranged up and down are used to realize the extension and retraction of the inner fork plate 430 in the front-rear direction.

[0050] In a specific embodiment, as shown in the attached Figure 6 and Figure 7 , the drag chain part 480 includes a drag chain 481 and a drag chain roller 482. The drag chain roller 482 is rotatably connected to the middle fork plate 410. The drag chain 481 bypasses the drag chain roller 482, and both ends are respectively fixed to the top of the outer fork plate 420 and the top of the inner fork plate 430.

[0051] It is easy to understand that the lower pulling belt 452 and the lower movable pulley 451 are on the same horizontal plane, the upper pulling belt 462 and the upper movable pulley 461 are on the same horizontal plane, and the drag chain 481 and the drag chain roller 482 are on the same horizontal plane.

[0052] In one embodiment, please refer to the attached Figure 8 and Figure 9 , the specific structure of the tensioning member 470 for tensioning the lower pulling belt 452 and the upper pulling belt 462 includes a second fixing plate 471, a second adjusting screw 472, a third fixing plate 473, and a fourth fixing plate 474; taking the tensioning between the lower pulling belt 452 and the outer fork plate 420 as an example, the second fixing plate 471 is fixed on the outer fork plate 420, the third fixing plate 473 is installed on the outer fork plate 420 by bolts, but a transverse slot is opened on the outer fork plate 420 to allow the bolts to penetrate the outer fork plate 420 for the third fixing plate 473 to slide on the surface of the outer fork plate 420, the fourth fixing plate 474 presses one end of the lower pulling belt 452 and fixes it on the third fixing plate 473 with bolts, and by rotating the second adjusting screw 472, the third fixing plate 473 is moved closer to or away from the second fixing plate 471 to tighten the lower pulling belt 452.

[0053] In the present application, as shown in the attached Figure 6 and Figure 10 , the sliding part 490 includes: a slide rail 491 fixed on the side surface of the middle fork plate 410 and extending longitudinally; a slide bar 492 arranged parallel to the slide rail 491 for fixedly connecting the outer fork plate 420 or the inner fork plate 430; an eccentric roller 493 and a concentric roller 494, which are respectively rotatably connected to the slide bar 492 by a fourth adjusting screw 495, and the eccentric roller 493 and the concentric roller 494 respectively roll in the slide rail 491.

[0054] In one embodiment, the sliding parts 490 respectively arranged between the middle fork plate 410 and the outer fork plate 420 and the inner fork plate 430 are arranged back to back with respect to the middle fork plate 410; the roller assemblies composed of the eccentric roller 493 and the concentric roller 494 are arranged as required, and can be one group, two groups or multiple groups; the concentric roller 494 is in close contact with the guide groove of the slide rail 491 and slides freely, and the eccentricity of the eccentric roller 493 is adjusted by adjusting the position of the fourth adjusting screw 495, so as to ensure the installation gap between the slide rail 491 and the slide bar 492.

[0055] Through the structural arrangement of the sliding part 490, taking advantage of the characteristics that the roller shafts of the eccentric roller 493 and the concentric roller 494 are the sealing structure, it is more adaptable to the use requirements of special working conditions such as dust and cold storage, and the service life is extended.

[0056] Finally, it should be noted that the above specific embodiments are only used to illustrate the technical solutions of the present utility model and not to limit them. Although the present utility model has been described in detail with reference to the examples, those of ordinary skill in the art should understand that the technical solutions of the present utility model can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present utility model, and they should all be covered within the scope of the claims of the present utility model.

Claims

1. A box-type shuttle car, characterized in that, Comprising: A base trolley (100) capable of traveling laterally; A pantograph (200) disposed on one side of the base trolley (100); A fork extension driving mechanism (300) and a fork extension member (400), the fork extension driving mechanism (300) being disposed on the base trolley (100) and used for driving the fork extension member (400) to extend and retract longitudinally; A barcode scanner (500) disposed at an edge of the side of the base trolley (100) away from the pantograph (200).

2. The box-type shuttle car according to claim 1, wherein: The fork extension member (400) includes a middle fork plate (410), and the fork extension driving mechanism (300) can drive the middle fork plate (410) to move longitudinally; An outer fork plate (420) and an inner fork plate (430) which are respectively slidably connected to both sides of the middle fork plate (410) through sliding parts (490), the outer fork plate (420) being fixed on the base trolley (100), and detection photoelectric elements (431) and reflector plates (432) being respectively disposed at both ends of the inner side of the inner fork plate (430); A third driving motor (440) disposed on the inner fork plate (430), and a lever (441) is connected to an output end thereof so that the lever (441) flips inside the inner fork plate (430); A lower pulling part (450) and an upper pulling part (460) which are transmission-connected among the middle fork plate (410), the outer fork plate (420) and the inner fork plate (430) to realize the extension and retraction of the inner fork plate (430); A drag chain part (480) connecting the middle fork plate (410), the outer fork plate (420) and the inner fork plate (430) respectively.

3. The box-type shuttle car according to claim 2, characterized in that: The lower pulling part (450) includes a lower moving pulley (451) and a lower pulling belt (452), the lower moving pulley (451) being rotatably connected to the middle fork plate (410), and the lower pulling belt (452) bypassing the lower moving pulley (451) and having both ends respectively fixed to the side surfaces of the outer fork plate (420) and the inner fork plate (430).

4. The box-type shuttle car according to claim 3, characterized in that: The upper pulling part (460) includes an upper moving pulley (461) and an upper pulling belt (462), the upper moving pulley (461) being rotatably connected to the middle fork plate (410), and the upper pulling belt (462) bypassing the upper moving pulley (461) and having both ends respectively fixed to the side surfaces of the outer fork plate (420) and the inner fork plate (430).

5. The box-type shuttle car according to claim 2, wherein: The drag chain part (480) includes a drag chain (481) and drag chain rollers (482), the drag chain rollers (482) being rotatably connected to the middle fork plate (410), and the drag chain (481) bypassing the drag chain rollers (482) and having both ends respectively fixed to the tops of the outer fork plate (420) and the inner fork plate (430).

6. The box-type shuttle car according to claim 2, wherein, The sliding part (490) includes: A slide rail (491) fixed to the side surface of the middle fork plate (410) and extending longitudinally; A slide bar (492) arranged parallel to the slide rail (491) for fixedly connecting the outer fork plate (420) or the inner fork plate (430); The eccentric roller (493) and the concentric roller (494) are respectively rotatably connected to the slide bar (492) by the fourth adjusting screw (495), and the eccentric roller (493) and the concentric roller (494) respectively roll within the slide rail (491).

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