AGV chassis

Abstract

The utility model relates to the technical field of AGV trolleys, in particular to an AGV trolley chassis which comprises a chassis body, a steering mechanism is arranged on the upper side of the chassis body, two sets of symmetrical blocking mechanisms are arranged on the lower side of the chassis body, and the two sets of symmetrical blocking mechanisms are used for protecting the lower side of the chassis body. Stones or bolts are prevented from entering the lower side of the chassis.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of AGV chassis, in particular to a kind of AGV chassis, belong to AGV technical field. BACKGROUND

[0002] AGV (Automatic Guided Vehicle) car realizes material handling and transportation through automation technology, and is widely used in industry and logistics field. In manufacturing industry, AGV can replace manual work to complete the accurate distribution of production line parts, reduce manual error, and improve production continuity. In warehousing logistics, AGV can realize automatic sorting, shelving and inter-bank transfer of goods, optimize warehouse efficiency, and is particularly suitable for high-frequency and small-batch order processing scenarios. In addition, AGV performs outstandingly in industries with high efficiency and cleanliness requirements such as e-commerce warehouse, 3C electronic manufacturing and pharmaceutical distribution.

[0003] The chassis of the AGV car commonly seen in the prior art is relatively low. When the AGV car works in the factory building or the area outside the factory building, the underside of the chassis may enter some bolts or stones. However, the entry of these stones or bolts into the underside of the chassis will affect the normal driving of the AGV car. Therefore, it is urgent to improve the AGV car chassis to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide a kind of AGV car chassis, the underside of chassis is prevented by the setting of two groups of mutually symmetrical grid mechanisms.

[0005] In order to achieve the above purpose, the main technical scheme adopted by the utility model includes: an AGV car chassis, comprising a chassis, a steering mechanism is arranged on the upper side of the chassis, two groups of mutually symmetrical grid mechanisms are arranged on the underside of the chassis, and the grid mechanisms are used to protect the underside of the chassis.

[0006] Preferably, a chute is formed in the upper side of the chassis, the steering mechanism includes a steering truck, the steering truck is rotatably connected to the inner side of the chute, a first bevel gear is connected to the outer side of the steering truck, a first servo motor is inserted into one side of the first bevel gear, and the first servo motor is installed on the upper side of the chassis.

[0007] Preferably, a recessed table is arranged in the steering truck, two groups of mutually symmetrical fixed plates are fixedly connected to the inner side of the recessed table, a second servo motor is installed on the upper side of one of the fixed plates, a driving wheel is fixedly connected to the rotating shaft of the second servo motor, and the two groups of mutually symmetrical fixed plates are respectively located on both sides of the driving wheel.

[0008] Preferably, the blocking mechanism comprises a rotating drum, one end of the rotating drum is provided with a second bevel gear, the outer side of the second bevel gear is connected with a third bevel gear in a matched mode, the outer side of the third bevel gear is fixedly connected with a cleaning brush in a coaxial mode, and the end, away from the third bevel gear, of the cleaning brush is connected with an auxiliary wheel in a coaxial mode.

[0009] Preferably, the two sides of the auxiliary wheel are rotatably connected with a group of supporting frames, the upper side of the supporting frame is fixedly connected with the lower side of the chassis, the other end of the rotating drum is rotatably connected with a connecting plate, the connecting plate is fixedly connected with the lower side of the chassis, the outer side of the connecting plate is provided with a baffle, and the upper side of the baffle is fixedly connected with the lower side of the chassis.

[0010] Preferably, the lower side of the chassis is provided with a rubber buffer plate, the end of the rubber buffer plate is provided with a recessed groove, and the recessed groove is covered on the outer side of the connecting plate.

[0011] Preferably, the upper side of the chassis is fixedly connected with a differential mechanism through a bolt, the two sides of the differential mechanism extend out a group of driving shafts, the end, away from the differential mechanism, of the driving shaft is provided with a directional wheel, the upper side of the chassis is provided with a sealing cover, and the sealing cover is used for protecting the differential mechanism.

[0012] The utility model at least has the following beneficial effects: through the steering mechanism, the power is transmitted to the chassis, the chassis is driven to turn left and right, the auxiliary wheel is driven to rotate through the supporting frame on the bottom side, the cleaning brush is driven to clean the dust on the outer side of the directional wheel, the cleaning brush and the third bevel gear are coaxially rotated, the third bevel gear is driven to rotate through the cooperation of the second bevel gear, the rotating drum is separated from the chassis by pulling out the bolt or the stone, and the baffle blocks the falling bolt or stone to prevent the bolt or stone from entering the bottom side of the chassis. BRIEF DESCRIPTION OF DRAWINGS

[0013] The drawings described herein are used to provide further understanding of the present application, constitute a part of the present application, and are used to explain the present application and do not constitute improper limitation on the present application. In the drawings:

[0014] Figure 1 It is the whole structure schematic view of the chassis of the utility model;

[0015] Figure 2 It is the whole structure schematic view of the steering mechanism of the utility model one;

[0016] Figure 3 It is the whole structure schematic view of the steering mechanism of the utility model two;

[0017] Figure 4 It is the whole structure schematic view of the blocking mechanism of the utility model one;

[0018] Figure 5 Figure 2 is a schematic diagram of the overall structure of the blocking mechanism of the utility model;

[0019] Figure 6 Figure 3 is a schematic diagram of the overall structure of the blocking mechanism of the utility model;

[0020] Figure 7 Figure 4 is a schematic diagram of the overall structure of the blocking mechanism of the utility model.

[0021] In the figure, 1, chassis; 101, differential; 102, drive shaft; 103, directional wheel; 104, sliding groove; 2, steering mechanism; 201, bogie; 202, first servo motor; 203, first bevel gear; 204, recessed platform; 205, fixed plate; 206, drive wheel; 207, second servo motor; 3, sealing cover; 4, blocking mechanism; 401, rotating drum; 4011, connecting plate; 402, second bevel gear; 403, third bevel gear; 404, cleaning brush; 405, auxiliary wheel; 4051, support frame; 406, rubber buffer plate; 4061, recessed groove; 407, baffle. DETAILED DESCRIPTION

[0022] The embodiments of the present application will be described in detail below with the aid of the accompanying drawings and embodiments, so that the implementation process of how the present application applies technical means to solve technical problems and achieves technical effects can be fully understood and implemented.

[0023] As Figure 1 , Figure 7 shown, the AGV chassis provided by the embodiment comprises a chassis 1, the upper side of the chassis 1 is provided with a steering mechanism 2, the lower side of the chassis 1 is provided with two groups of mutually symmetrical blocking mechanisms 4, and the two groups of mutually symmetrical blocking mechanisms 4 are used for protecting the lower side of the chassis 1.

[0024] Further, the upper side of the chassis 1 is provided with a sliding groove 104, the steering mechanism 2 comprises a bogie 201, the bogie 201 is rotationally connected to the inner side of the sliding groove 104, the outer side of the bogie 201 is connected with a first bevel gear 203 in a matching manner, one side of the first bevel gear 203 is inserted with a first servo motor 202, and the first servo motor 202 is installed on the upper side of the chassis 1.

[0025] In this way, since the outer side of the bogie 201 is matched with the first bevel gear 203, the first servo motor 202 drives the first bevel gear 203 to rotate, and then it is beneficial to the left and right rotation of the bogie 201 in the sliding groove 104, so as to realize steering.

[0026] The inside of the bogie 201 is provided with a recessed platform 204, the inner side of the recessed platform 204 is fixedly connected with two groups of mutually symmetrical fixed plates 205, one group of the fixed plates 205 is installed with a second servo motor 207 on the upper side, the rotating shaft of the second servo motor 207 is fixedly connected with a drive wheel 206, and the two groups of mutually symmetrical fixed plates 205 are respectively located on both sides of the drive wheel 206.

[0027] In this way, the inner side of the recessed platform 204 is facilitated to rotate left and right with the second servo motor 207 through the fixed plate 205, and then the second servo motor 207 is facilitated to drive the chassis 1 to travel left and right through the drive wheel 206.

[0028] Further, the upper side of the chassis 1 is fixedly connected with a differential mechanism 101 through a bolt, a group of drive shafts 102 are extended from both sides of the differential mechanism 101, a directional wheel 103 is arranged on the end of the drive shaft 102 away from the differential mechanism 101, and a sealing cover 3 is arranged on the upper side of the chassis 1 and used for protecting the differential mechanism 101.

[0029] The differential mechanism 101 is adopted, so that the chassis 1 is more stable when turning, and the chassis 1 is prevented from rolling over when turning.

[0030] Further, the blocking mechanism 4 comprises a rotating drum 401, the rotating drum 401 is provided with a second bevel gear 402 at one end, the outer side of the second bevel gear 402 is connected with a third bevel gear 403 in a matched mode, the outer side of the third bevel gear 403 is fixedly connected with a cleaning brush 404 in a coaxial mode, the end of the cleaning brush 404 away from the third bevel gear 403 is connected with an auxiliary wheel 405 in a coaxial mode, a group of support frames 4051 are rotatably connected to both sides of the auxiliary wheel 405, the upper side of the support frame 4051 is fixedly connected with the lower side of the chassis 1, the other end of the rotating drum 401 is rotatably connected with a connecting plate 4011, the connecting plate 4011 is fixedly connected with the lower side of the chassis 1, the outer side of the connecting plate 4011 is provided with a baffle 407, the upper side of the baffle 407 is fixedly connected with the lower side of the chassis 1, the lower side of the chassis 1 is provided with a rubber buffer plate 406, recessed grooves 4061 are formed in the end of the rubber buffer plate 406, and the recessed grooves 4061 are covered on the outer side of the connecting plate 4011.

[0031] The support frame 4051 facilitates the auxiliary wheel 405 to rotate by friction with the ground when the chassis 1 drives the auxiliary wheel 405 to rotate, the cleaning brush 404 rotates to clean the soil on the outer side of the directional wheel 103, the coaxial rotation of the cleaning brush 404 and the third bevel gear 403 facilitates the second bevel gear 402 to drive the rotating drum 401, the outer side of the rotating drum 401 is a push plate, so that the rotating drum 401 can pull the bolts or stones away from the chassis 1 when rotating, the baffle 407 blocks the falling bolts or stones, and the rubber buffer plate 406 buffers when the chassis 1 collides.

[0032] AsFigure 1 、 Figure 7 As shown in FIG. 1, the principle of the AGV chassis provided by the embodiment is as follows: the chassis 1 drives the auxiliary wheel 405 to rotate through the support frame 4051 at the bottom, the auxiliary wheel 405 simultaneously drives the cleaning brush 404 to rotate, the cleaning brush 404 cleans the dust attached to the outer side of the directional wheel 103 when rotating, prevents the directional wheel 103 from reducing the friction with the ground due to too much dust accumulated on the outer side, the cleaning brush 404 drives the third bevel gear 403 to rotate coaxially, and then the third bevel gear 403 drives the second bevel gear 402 to rotate, at this time the second bevel gear 402 drives the rotary drum 401 to rotate to pull out the bolt or the stone, and then the baffle 407 blocks some fallen bolts or stones, preventing the bolts or stones from entering the bottom side of the chassis 1 to affect the travel.

[0033] As used in the specification and claims, certain terminology is used to refer to certain components. Those of ordinary skill in the art will appreciate that hardware manufacturers can refer to the same component using different terminology. The specification and claims do not serve as a means to distinguish components based on the names used to refer to them, but rather serve as a means to distinguish components based on their functional differences. As used throughout the specification and claims, "comprising" is a transitive word, thus it is intended to be equivalent to "including", but encompassing items in addition to the listed items without departing from the scope of the disclosure. "Approximately" means within an acceptable error range for the corresponding function, within which the skilled person in the art is able to solve the technical problem and substantially achieve the technical effect.

[0034] It should be noted that the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a product or process that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such product or process. Without further limitation, an element defined by the phrase "comprising a" does not exclude the presence of additional identical elements in the product or process comprising the element.

[0035] The above description shows and describes several preferred embodiments of the present application, but as mentioned above, the present application is not limited to the forms disclosed herein, and should not be considered as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the application conceived herein by the above teachings or related art or knowledge. Any modification and change made by those skilled in the art without departing from the spirit and scope of the present application shall be within the scope of protection of the claims of the present application.

Claims

1. An AGV chassis comprising a chassis (1), characterized in that: The upper side of the chassis (1) is provided with a steering mechanism (2), and the lower side of the chassis (1) is provided with two groups of mutually symmetrical barrier mechanisms (4), which are used for protecting the lower side of the chassis (1).

2. The AGV chassis of claim 1, wherein: The upper side of the chassis (1) is provided with a chute (104), and the steering mechanism (2) comprises a steering frame (201), which is rotatably connected to the inside of the chute (104), and the outside of the steering frame (201) is adaptively connected with a first bevel gear (203), one side of the first bevel gear (203) is inserted with a first servo motor (202), and the first servo motor (202) is installed on the upper side of the chassis (1).

3. The AGV chassis of claim 2, wherein: The inside of the steering frame (201) is provided with a recessed table (204), and the inside of the recessed table (204) is fixedly connected with two groups of mutually symmetrical fixed plates (205), one group of the fixed plates (205) is installed with a second servo motor (207) on the upper side, and the rotating shaft of the second servo motor (207) is fixedly connected with a drive wheel (206), and the two groups of mutually symmetrical fixed plates (205) are located on the two sides of the drive wheel (206) respectively.

4. The AGV chassis of claim 1, wherein: The barrier mechanism (4) comprises a rotating drum (401), one end of the rotating drum (401) is provided with a second bevel gear (402), the outside of the second bevel gear (402) is adaptively connected with a third bevel gear (403), the outside of the third bevel gear (403) is coaxially fixedly connected with a cleaning brush (404), and one end of the cleaning brush (404) away from the third bevel gear (403) is coaxially connected with an auxiliary wheel (405).

5. The AGV chassis of claim 4, wherein: The two sides of the auxiliary wheel (405) are rotatably connected with a group of supporting frames (4051), the upper side of the supporting frame (4051) is fixedly connected with the lower side of the chassis (1), the other end of the rotating drum (401) is rotatably connected with a connecting plate (4011), the connecting plate (4011) is fixedly connected with the lower side of the chassis (1), and the outside of the connecting plate (4011) is provided with a baffle (407), and the upper side of the baffle (407) is fixedly connected with the lower side of the chassis (1).

6. The AGV chassis of claim 5, wherein: The lower side of the chassis (1) is provided with a rubber buffer plate (406), and the end of the rubber buffer plate (406) is provided with a recessed groove (4061), and the inside of the recessed groove (4061) is covered outside the connecting plate (4011).

7. The AGV chassis of claim 1, wherein: The upper side of the chassis (1) is fixedly connected with a differential (101) through a bolt, the two sides of the differential (101) extend out a group of drive shafts (102), the end of the drive shaft (102) away from the differential (101) is provided with a directional wheel (103), the upper side of the chassis (1) is provided with a sealing cover (3), and the sealing cover (3) is used for protecting the differential (101).

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