AGV trolley with expandable bearing surface

Abstract

The utility model belongs to the technical field of transportation, and particularly discloses an AGV trolley with an expandable bearing surface, which comprises a trolley body and a stretching assembly arranged above the trolley body, and the stretching assembly comprises two groups of stretching parts; the two sets of stretching parts stretch in the directions perpendicular to each other. Each group of stretching parts comprises a stretching driving mechanism and two groups of bearing stretching plates; the extension driving mechanism is used for driving the two groups of bearing extension plates to be close to or far away from each other; and the movement tracks of the four groups of bearing extension plates form a cross-shaped structure. By arranging four groups of bearing extension plates capable of extending outwards, the length and width of the bearing surface can be respectively adjusted, so that the shape of the bearing surface can be adjusted, and the cargo box bearing device can adapt to the shapes of different cargo boxes.

Description

TECHNICAL FIELD

[0001] The utility model belongs to transportation technical field especially relates to a AGV dolly of loadable face can expand. BACKGROUND

[0002] With the rapid development of logistics industry, automation, intelligent equipment is widely used in warehousing and transportation, the existing AGV carrier, its loadable face usually is fixed size, it cannot adjust the loadable face according to the shape of different cargo box, lead to need to replace the loadable face of different size or replace different AGV carrier to carry out the transportation of different cargo box, can guarantee the stability of cargo box movement. And the current AGV carrier, cannot move laterally in specific space, lead to inconvenient transportation. INVENTION CONTENTS

[0003] The utility model discloses a kind of loadable face expandable AGV dolly, to solve the problem that the existing AGV carrier cannot adjust the loadable face according to the shape of different cargo box.

[0004] In order to achieve the above purpose, the technical scheme of the utility model is as follows: a kind of loadable face expandable AGV dolly, including dolly body and the extension assembly installed above dolly body, the extension assembly includes two groups of extension parts;Two groups of the extension part are stretched to mutually perpendicular direction respectively;Each group of the extension part includes extension drive mechanism and two groups of loadable extension plate;The extension drive mechanism is used to drive two groups of loadable extension plate to be close to each other or away from each other;The movement track of four groups of the loadable extension plate forms a cross structure.

[0005] Further, the extension assembly further includes support plate and support part, the support part is installed on the dolly body, and the support plate is installed on the support part;Two groups of the extension part are installed on the support plate.

[0006] Further, sliding block is fixed on each group of the loadable extension plate, four groups of extension sliding slot corresponding to sliding block are provided on the support plate, and the length direction of the extension sliding slot is parallel to the movement direction of loadable extension plate;The sliding block is slidably connected in the corresponding extension sliding slot;The extension drive mechanism is used to drive sliding block to move.

[0007] Further, each group of the extension drive mechanism includes extension drive piece and two groups of first threaded rods, two output ends of the extension drive piece drive two groups of first threaded rods to rotate respectively, the first threaded rod is corresponding to sliding block and is threadedly connected with sliding block;The first threaded rod is used to drive the sliding block to slide in the extension sliding slot.

[0008] Further, four groups of side plates are arranged on the support plate, and the side plates are in one-to-one correspondence with the first threaded rods, and the side plates are rotationally connected to the side of the first threaded rods away from the stretching driving element.

[0009] Further, the lower side of the trolley body is provided with a groove, and the opening of the groove faces downward; a transverse moving assembly is arranged in the groove, the transverse moving assembly comprises an ejection driving mechanism and a transverse moving trolley, the moving direction of the transverse moving trolley is perpendicular to the moving direction of the trolley body; the ejection driving mechanism is used for ejecting the transverse moving trolley downward.

[0010] Further, the ejection driving mechanism comprises an ejection driving element and two groups of ejection parts; each group of the ejection parts comprises a hinged sliding block, a rotating rod and a hinged connecting block, and the two sides of the rotating rod are hingedly connected to the hinged sliding block and the hinged connecting block respectively; the ejection driving element is installed at the groove bottom of the groove, and the ejection driving element is used for driving the two groups of hinged sliding blocks to move close to or away from each other, and the two groups of hinged sliding blocks are slidingly connected to the groove bottom of the groove; the two groups of hinged connecting blocks are fixed at the top of the transverse moving trolley respectively.

[0011] Further, the driving end of the ejection driving element is connected with a second threaded rod, the second threaded rod is a bidirectional screw rod, and the thread directions of the two sides of the bidirectional screw rod are opposite; the two groups of hinged sliding blocks are threadedly connected to the threaded parts on the two sides of the bidirectional screw rod respectively.

[0012] Further, the bottom of the groove is provided with an ejection sliding groove, and the hinged sliding block is slidingly connected in the ejection sliding groove.

[0013] Further, the plate body formed after the four groups of bearing stretching plates are completely contracted is the same in shape as the support plate.

[0014] The working principle of the technical solution is as follows:

[0015] In use, the stretching driving element is started, the stretching driving element can drive the corresponding two groups of first threaded rods to rotate, the first threaded rods drive the sliding blocks to move, the sliding blocks drive the bearing stretching plates to move, so that the two groups of bearing stretching plates corresponding to one group of stretching driving elements move in the direction away from each other, so that the two bearing stretching plates can be opened. When the two groups of bearing stretching plates are opened, the bearing surface of the device can be adjusted according to the shape of different containers.

[0016] By starting the ejection driving element, the second threaded rod can be driven to rotate, the second threaded rod drives the two hinged sliding blocks to move in the direction close to each other, so that the transverse moving trolley can move downward and lift the trolley body, that is, the transverse moving trolley can be used for transverse movement, which is convenient for carrying containers in a specific space.

[0017] The technical solution has the following beneficial effects:

[0018] The four groups of the bearing extension plates capable of extending outward are arranged, so that the length and the width of the bearing surface can be adjusted respectively, and the shape of the bearing surface can be adjusted, thereby adapting to the shapes of different containers.

[0019] The ejection driving mechanism can make the transverse moving trolley be completely accommodated in the groove, and can also drive the transverse moving trolley to move downward and lift the trolley body, so that the whole AGV trolley can move transversely by the transverse moving trolley, thereby facilitating the container carrying in a specific space. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a first perspective view of the AGV trolley with an expandable bearing surface.

[0021] Figure 2 It is a second perspective view of the AGV trolley with an expandable bearing surface.

[0022] Figure 3 It is a structural schematic view of the extension assembly.

[0023] Figure 4 It is a sectional view of the trolley body.

[0024] Figure 5 It is a structural schematic view of the transverse moving assembly. DETAILED DESCRIPTION

[0025] The technical scheme will be further described in detail through specific embodiments as follows:

[0026] The reference signs in the drawings of the specification include: extension assembly 1, trolley body 2, support plate 3, support part 4, extension part 5, extension driving mechanism 6, bearing extension plate 7, sliding block 8, extension sliding groove 9, extension driving part 10, first threaded rod 11, side plate 12, groove 13, transverse moving assembly 14, ejection driving mechanism 15, transverse moving trolley 16, ejection driving part 17, hinged sliding block 18, rotating rod 19, hinged connecting block 20, ejection sliding groove 21, and second threaded rod 22.

[0027] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by the ordinary skilled in the art without creative labor are within the protection scope of the present application.

[0028] The embodiments are basically as shown in the accompanying drawings Figures 1-5As shown: a kind of AGV trolley with load-bearing surface expandable, as Figure 1 、 2 As shown, including trolley body 2 and the extension assembly 1 installed above trolley body 2, extension assembly 1 includes support plate 3, support part 4 and two groups of extension parts 5, support part 4 is installed on trolley body 2, support plate 3 is installed on support part 4, support part 4 can adopt linear driver, linear driver is connected with the control system of AGV trolley, support part 4 can drive support plate 3 and extension part 5 vertical motion to adjust height.

[0029] As shown in Figure 3 Two groups of extension parts 5 are installed on support plate 3, and two groups of extension parts 5 are expanded in mutually perpendicular directions respectively;Each group of extension parts 5 includes extension drive mechanism 6 and two groups of load-bearing extension plates 7;Extension drive mechanism 6 is used to drive the corresponding two groups of load-bearing extension plates 7 to move close to or away from each other;The movement trajectory of four groups of load-bearing extension plates 7 forms a "cross" structure. The plate body formed after four groups of load-bearing extension plates 7 are completely contracted is the same shape as support plate 3. Each group of load-bearing extension plates 7 is fixed with sliding block 8, and support plate 3 is provided with four groups of extension sliding grooves 9 corresponding to sliding block 8 one by one, the length direction of extension sliding groove 9 is parallel to the moving direction of corresponding load-bearing extension plate 7;Sliding block 8 is slidably connected in corresponding extension sliding groove 9. Extension drive mechanism 6 is used to drive sliding block 8 to move, and each group of extension drive mechanism 6 includes extension drive part 10 and two groups of first threaded rods 11, extension drive part 10 adopts motor, and extension drive part 10 is connected with the control system of AGV trolley. Two output ends of extension drive part 10 drive two groups of first threaded rods 11 to rotate respectively, first threaded rod 11 corresponds to sliding block 8 one by one and is threadedly connected with sliding block 8;First threaded rod 11 is used to drive sliding block 8 to slide in extension sliding groove 9. Four groups of side plates 12 are provided on support plate 3, side plate 12 corresponds to first threaded rod 11 one by one, and the side of first threaded rod 11 away from extension drive part 10 is rotatably connected with side plate 12.

[0030] As shown in Figure 4 、 5As shown, the lower side of the trolley body 2 is provided with a groove 13, and the opening of the groove 13 faces downward; the groove 13 is provided with a transverse moving assembly 14, which includes an ejection driving mechanism 15 and a transverse moving trolley 16, and the moving direction of the transverse moving trolley 16 is perpendicular to the moving direction of the trolley body 2; the ejection driving mechanism 15 is used for ejecting the transverse moving trolley 16 downward. The ejection driving mechanism 15 includes an ejection driving piece 17 and two groups of ejection parts; each group of ejection parts includes a hinged sliding block 18, a rotating rod 19 and a hinged connecting block 20, and the two sides of the rotating rod 19 are respectively hinged to the hinged sliding block 18 and the hinged connecting block 20; the ejection driving piece 17 is installed at the bottom of the groove 13, and the ejection driving piece 17 is used to drive the two groups of hinged sliding blocks 18 to move close to or away from each other; the two groups of hinged sliding blocks 18 are slidingly connected at the bottom of the groove 13, and specifically, the bottom of the groove 13 is provided with an ejection sliding groove 21, and the hinged sliding block 18 is slidingly connected in the ejection sliding groove 21. The two groups of hinged connecting blocks 20 are respectively fixed at the top of the transverse moving trolley 16. The driving end of the ejection driving piece 17 is connected with a second threaded rod 22, the second threaded rod 22 is a bidirectional screw rod, and the threads on the two sides of the bidirectional screw rod are opposite in rotation direction; the two groups of hinged sliding blocks 18 are respectively threadedly connected to the threaded portions on the two sides of the bidirectional screw rod. The ejection driving piece 17 adopts a motor, and the ejection driving piece 17 is connected with the control system of the AGV trolley.

[0031] The specific implementation process is as follows:

[0032] In use, the stretching driving piece 10 is started, the stretching driving piece 10 can drive the corresponding two groups of first threaded rods 11 to rotate, the first threaded rods 11 drive the sliding blocks 8 to move, and the sliding blocks 8 drive the bearing stretching plates 7 to move, so that the two groups of bearing stretching plates 7 corresponding to the one group of stretching driving pieces 10 move in the direction away from each other, so that the two bearing stretching plates 7 can be opened. When the two groups of bearing stretching plates 7 of the stretching parts 5 are opened, the bearing surface of the device can be adjusted according to the shape of different containers.

[0033] By starting the ejection driving piece 17, the second threaded rod 22 can be driven to rotate, and the two hinged sliding blocks 18 can be driven to move in the direction close to each other, so that the transverse moving trolley 16 can be moved downward and the trolley body 2 can be lifted, that is, the transverse moving trolley 16 can be used for transverse movement, which is convenient for carrying containers in a specific space.

[0034] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0035] The above is only the embodiment of the present application, and the common knowledge of the specific structure and characteristics in the scheme is not described in detail, the ordinary skilled in the art knows all the ordinary technical knowledge in the technical field of the present application before the application date or the priority date, can know all the prior art in the field and has the ability to apply the conventional experimental means before the date, the ordinary skilled in the art can improve and implement the present scheme under the inspiration given by the present application combined with their own ability, some typical known structure or known method should not be an obstacle for the ordinary skilled in the art to implement the present application. It should be pointed out that, for those skilled in the art, without departing from the structure of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application, which will not affect the effect and practicality of the present application. The protection scope of the present application should be subject to the content of its claims, and the specific implementation mode and the like in the specification can be used to explain the content of the claims.

Claims

1. An AGV vehicle with expandable load-carrying surface, characterized in that: The utility model relates to a trolley body (2) and install above trolley body (2) stretch assembly (1), stretch assembly (1) includes two groups of stretch (5), two groups of stretch (5) stretch to each other perpendicular direction respectively, each group of stretch (5) includes stretch drive mechanism (6) and two groups of bearing stretch board (7), stretch drive mechanism (6) is used to drive two groups of bearing stretch board (7) and each other close or far away, four groups of bearing stretch board (7) movement trajectory forms " cross" structure.

2. The AGV vehicle with an expandable load-carrying surface according to claim 1, characterized in that: Stretch assembly (1) still includes support plate (3) and support part (4), support part (4) is installed on trolley body (2), and support plate (3) is installed on support part (4), two groups of stretch (5) are installed on support plate (3).

3. The AGV vehicle with an expandable load-carrying surface according to claim 2, characterized in that: Each group of bearing stretch board (7) is fixed with sliding block (8), and support plate (3) is equipped with four groups of stretch sliding slot (9) corresponding to sliding block (8), the length direction of stretch sliding slot (9) is parallel with the movement direction of bearing stretch board (7), sliding block (8) is slidably connected in corresponding stretch sliding slot (9), and stretch drive mechanism (6) is used to drive sliding block (8) to move.

4. The AGV vehicle with an expandable load-carrying surface according to claim 3, characterized in that: Each group of stretch drive mechanism (6) includes stretch drive part (10) and two groups of first threaded rod (11), and the two output ends of stretch drive part (10) drive two groups of first threaded rod (11) to rotate respectively, the first threaded rod (11) is corresponding with sliding block (8) and is threadedly connected with sliding block (8), and the first threaded rod (11) is used to drive sliding block (8) to slide in stretch sliding slot (9).

5. The AGV vehicle of claim 4, wherein: Support plate (3) is equipped with four groups of side plate (12), side plate (12) is corresponding with first threaded rod (11), and the side of first threaded rod (11) away from stretch drive part (10) is rotatably connected with side plate (12).

6. The AGV vehicle of claim 1, wherein: The downside of trolley body (2) is equipped with recess (13) and recess (13) opening faces down, and the recess (13) is equipped with transverse movement assembly (14), and the transverse movement assembly (14) includes ejecting drive mechanism (15) and transverse movement trolley (16), and the movement direction of transverse movement trolley (16) is perpendicular with the movement direction of trolley body (2), and the ejecting drive mechanism (15) is used to eject transverse movement trolley (16) downward.

7. The AGV vehicle of claim 6, wherein: The ejection driving mechanism (15) comprises an ejection driving member (17) and two groups of ejection parts; each group of the ejection parts comprises a hinged sliding block (18), a rotating rod (19) and a hinged connecting block (20), the rotating rod (19) is hinged with the hinged sliding block (18) and the hinged connecting block (20) on both sides respectively; the ejection driving member (17) is installed on the groove bottom of the recess (13), the ejection driving member (17) is used for driving the two groups of hinged sliding blocks (18) to move close to or away from each other, the two groups of hinged sliding blocks (18) are slidingly connected on the groove bottom of the recess (13); the two groups of hinged connecting blocks (20) are fixed on the top of the transverse moving trolley (16) respectively.

8. The AGV vehicle of claim 7, wherein: The driving end of the ejection driving member (17) is connected with a second threaded rod (22), the second threaded rod (22) is a bidirectional screw rod, the thread rotation directions on both sides of the bidirectional screw rod are opposite; the two groups of hinged sliding blocks (18) are threadedly connected on the threaded parts on both sides of the bidirectional screw rod respectively.

9. The AGV vehicle of claim 7, wherein: The bottom of the recess (13) is provided with an ejection sliding groove (21), the hinged sliding block (18) is slidingly connected in the ejection sliding groove (21).

10. The AGV vehicle of claim 2, wherein: The plate bodies formed after the four groups of bearing extension plates (7) are completely contracted are the same in shape with the support plate (3).

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