CN212149087U - Chassis structure of high-speed AGV - Google Patents
Chassis structure of high-speed AGV Download PDFInfo
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- CN212149087U CN212149087U CN202020204250.8U CN202020204250U CN212149087U CN 212149087 U CN212149087 U CN 212149087U CN 202020204250 U CN202020204250 U CN 202020204250U CN 212149087 U CN212149087 U CN 212149087U
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Abstract
The utility model discloses a chassis structure of a high-speed AGV, which comprises a bottom plate, wherein the front end of the bottom surface of the bottom plate is provided with an auxiliary universal wheel, the rear end of the bottom surface of the bottom plate is provided with an auxiliary directional wheel, and the middle part of the bottom surface of the bottom plate is provided with a driving module; the driving module comprises a mounting plate, two symmetrical driving motors are arranged in the mounting plate, and guide blocks are arranged in the middle of the two driving motors; a rotating shaft penetrates between the two driving motors, the rotating shaft also penetrates through the guide block and the mounting plate, and driving wheels are arranged at two ends of the rotating shaft; the guide block is also provided with a transmission shaft in a penetrating way, the transmission shaft is vertical to the rotating shaft and is positioned at the upper part of the rotating shaft, and two ends of the transmission shaft are connected with the side surface of the mounting plate; the transmission shaft is sleeved with a pressing shaft, and the pressing shaft is vertically arranged upwards and penetrates through the mounting plate; the upper end of the pressing shaft is sleeved with a linear bearing; a fixed cover plate is arranged on the upper end face of the pressing shaft; the linear bearing is sleeved with a connecting plate; the connecting plate is connected with the bottom surface of the bottom plate.
Description
Technical Field
The utility model relates to a AGV dolly equipment technical field, in particular to high-speed AGV's chassis structure.
Background
An Automated Guided Vehicle (AGV) is a transportation Vehicle equipped with an electromagnetic or optical automatic guiding device, which can travel along a predetermined guiding path, and has safety protection and various transfer functions. Generally, the traveling route and behavior can be controlled by a computer, or the traveling route is set up by using an electromagnetic track (electromagnetic path-following system), the electromagnetic track is adhered to the floor, and the unmanned transport vehicle moves and acts according to the information brought by the electromagnetic track.
The conventional AGV trolley in the prior art has the advantages that the driving wheels generally independently form two parts, are separated on two sides of the trolley body and are as far as possible outside, so that the conventional AGV trolley is more stable in the operation process, and particularly has better anti-rollover and overturning effects when a load turns. However, the design has large turning radius and inflexible turning, and is only suitable for the AGV running at low speed. In order to solve the problem that the traditional AGV is inflexible in turning, the invention designs a novel AGV chassis which is particularly suitable for an AGV running at a high speed.
Disclosure of Invention
The utility model aims to provide a: the chassis structure of a high-speed AGV is provided, and the drive module with traditional action wheel two parts branch automobile body both sides has been integrated in a drive module for the automobile body possesses little, fast, nimble characteristics, makes it possess stronger anti-overturning and antidumping effect simultaneously, has strengthened the load-carrying capacity.
The utility model adopts the technical scheme as follows:
the chassis structure of the high-speed AGV comprises a bottom plate, wherein auxiliary universal wheels are arranged at the front end of the bottom surface of the bottom plate, auxiliary directional wheels are arranged at the rear end of the bottom surface of the bottom plate, and a driving module is arranged in the middle of the bottom surface of the bottom plate; the driving module comprises a mounting plate, and the mounting plate is a rectangular body with a groove surface on the bottom surface; two symmetrical driving motors are arranged inside the mounting plate, and guide blocks are arranged in the middle of the two driving motors; a rotating shaft penetrates between the two driving motors, the rotating shaft also penetrates through the guide block and the mounting plate, and driving wheels are arranged at two ends of the rotating shaft; a transmission shaft penetrates through the guide block, is perpendicular to the rotating shaft and is positioned at the upper part of the rotating shaft, and two ends of the transmission shaft are connected with the side surface of the mounting plate; the transmission shaft is sleeved with a pressing shaft, and the pressing shaft is vertically arranged upwards and penetrates through the mounting plate; a compression spring is sleeved on the compression shaft, and a linear bearing is sleeved at the upper end of the compression spring; a fixed cover plate is arranged on the upper end face of the pressing shaft; the linear bearing is sleeved with a connecting plate, and two ends of the upper end face of the connecting plate are provided with connecting holes; the connecting plate is connected with the bottom surface of the bottom plate.
The utility model discloses a theory of operation does: the device mainly comprises a bottom plate, 2 auxiliary directional wheels, 2 auxiliary universal wheels and a driving module, wherein the driving module comprises two driving motors and two driving wheels; this chassis structure only is fit for one-way traveling, and on the direction of travel, leans on the supplementary universal wheel of preceding part (car head portion), and convenient turn leans on the supplementary directional wheel of back part (car tail portion), makes things convenient for the automobile body straight line to walk not the whipping, for guaranteeing wholly on a horizontal plane, two supplementary universal wheels of front end are the shock attenuation universal wheel to ensured, four wheels are on the coplanar. The drive module design is on the central line of bottom plate, and the interval of two drive wheels is as little as possible to guaranteed turning to of dolly nimble, for making the better ground of pasting of drive wheel, guarantee driving friction, the drive module is with pressure spring pre-compaction to ground, wherein: the connecting plate is an external mounting structure of the whole driving module and is used for mounting and fixing with the bottom plate; the linear bearing with the flange and the connecting plate are fastened and connected into a whole through screws; the pressing shaft is arranged at the lower end of the linear bearing and is fixed with the linear bearing through a pressing shaft fixing screw and a fixing cover plate, so that the pressing shaft can move up and down in the linear bearing without falling off; after the driving module is subjected to pre-pressure, the connecting plate drives the linear bearing to move downwards, the downward-moving linear bearing compresses and pre-tightens the pressing spring, the pressing spring is shortened, and one section is leaked from the top of the pressing shaft; when the electric bicycle goes forward and goes backward, the driving motor rotates in the same speed and the same direction, driving force is transmitted to the connecting plate through the pressing shaft, and the connecting plate and the bottom plate are fixed, so that the whole bottom plate is driven to move forward, and when the electric bicycle turns, the bottom plate is driven to turn through the differential of the driving motor. The utility model discloses the most significant characteristics are integrated in a drive module with the drive module of traditional two parts separated automobile body both sides, and drive module is as little as possible, and drive module places in the middle of the automobile body, and drive module and automobile body adopt hinge follow-up connection for the automobile body possesses little fast smart characteristics like this. In order to prevent the vehicle body from overturning, two groups of auxiliary wheels are respectively designed at the front and the rear of the vehicle body, so that the vehicle body has stronger overturn-resisting and overturning-resisting effects, and the load-carrying capacity is also enhanced.
Furthermore, the fixed cover plate is connected with the pressing shaft through a pressing shaft fixing screw. Through setting up like this, make fixed apron and compress tightly the axle and can accomplish fixedly.
Further, a shaft sleeve is arranged at the contact position of the driving wheel and the rotating shaft, and the shaft sleeve is connected with the rotating shaft through a rotating shaft fixing screw. Through setting up like this, the axle sleeve has played the effect of protection and stable drive wheel.
Further, a bushing is arranged on the transmission shaft between the driving wheel and the side surface of the mounting plate. Through setting up like this, the bush has played the effect of protection and stable transmission shaft.
Further, a transmission shaft fixing baffle is arranged between the transmission shaft and the driving motor. Through setting up like this, transmission shaft fixed stop has played the effect of protection and stable transmission shaft.
Further, mounting screws are arranged among the mounting plate, the driving motor and the guide block. Through the arrangement, the driving motors are fixed on the mounting plate by the mounting screws, and the two motors form a whole by the guide blocks, namely the mounting plate, the two driving motors and the guide blocks form a rigid whole.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
the utility model provides a high-speed AGV's chassis structure, with the drive module integration of traditional action wheel two parts separation automobile body both sides in a drive module for the automobile body possesses little, fast, nimble characteristics, makes it possess stronger anti-overturning and antidumping effect simultaneously, has strengthened the load-carrying capacity.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic overall configuration of the chassis structure of a high speed AGV;
fig. 2 is a front sectional view of the driving module of the present invention;
fig. 3 is a side sectional view of the driving module of the present invention;
FIG. 4 is a schematic structural diagram of the middle connection plate of the present invention;
fig. 5 is a schematic structural diagram of the mounting plate of the present invention;
fig. 6 is a schematic structural diagram of the guide block of the present invention;
fig. 7 is a schematic bottom structure diagram of the driving module of the present invention;
fig. 8 is a schematic top view of the driving module according to the present invention;
in the figure, 1-bottom plate, 2-auxiliary universal wheel, 3-auxiliary directional wheel, 4-driving module, 401-mounting plate, 402-driving motor, 403-guide block, 404-rotating shaft, 405-driving wheel, 406-driving shaft, 407-pressing shaft, 408-pressing spring, 409-linear bearing, 410-fixing cover plate, 411-connecting plate, 412-connecting hole, 413-pressing shaft fixing screw, 414-shaft sleeve, 415-rotating shaft fixing screw, 416-bushing, 417-driving shaft fixing baffle plate and 418-mounting screw.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
The present invention will be described in detail with reference to fig. 1 to 8.
Example 1
As shown in fig. 1 to 8, the chassis structure of the high-speed AGV comprises a bottom plate 1, wherein the front end of the bottom surface of the bottom plate 1 is provided with an auxiliary universal wheel 2, the rear end of the bottom surface of the bottom plate 1 is provided with an auxiliary directional wheel 3, and the middle part of the bottom surface of the bottom plate 1 is provided with a driving module 4; the driving module 4 comprises a mounting plate 401, and the mounting plate 401 is a rectangular body with a groove surface on the bottom surface; two symmetrical driving motors 402 are arranged inside the mounting plate 401, and a guide block 403 is arranged in the middle of the two driving motors 402; a rotating shaft 404 penetrates between the two driving motors 402, the rotating shaft 404 also penetrates through the guide block 403 and the mounting plate 401, and driving wheels 405 are arranged at two ends of the rotating shaft 404; a transmission shaft 406 is further arranged on the guide block 403 in a penetrating manner, the transmission shaft 406 is perpendicular to the rotating shaft 404, the transmission shaft 406 is located at the upper part of the rotating shaft 404, and two ends of the transmission shaft 406 are connected with the side surface of the mounting plate 401; the transmission shaft 406 is sleeved with a pressing shaft 407, and the pressing shaft 407 is vertically arranged upwards and penetrates through the mounting plate 401; a compression spring 408 is sleeved on the compression shaft 407, and a linear bearing 409 is sleeved at the upper end of the compression spring 408; a fixed cover plate 410 is arranged on the upper end face of the pressing shaft 407; the linear bearing 409 is sleeved with a connecting plate 411, and two ends of the upper end surface of the connecting plate 411 are provided with connecting holes 412; the connection plate 411 is connected to the bottom surface of the base plate 1.
The utility model discloses a theory of operation does: the device mainly comprises a bottom plate 1, 2 auxiliary directional wheels 3, 2 auxiliary universal wheels 2 and a driving module 4, wherein the driving module 4 comprises two driving motors 402 and two driving wheels 405; this chassis structure only is fit for one-way traveling, and on the direction of travel, leans on preceding part (car head portion) supplementary universal wheel 2, and convenient turn leans on the supplementary directive wheel 3 of back part (car tail portion), makes things convenient for the automobile body straight line to walk not the whipping, for guaranteeing wholly on a horizontal plane, two supplementary universal wheels 2 of front end are the shock attenuation universal wheel to ensured, four wheels are on the coplanar. Drive module 4 designs on the central line of bottom plate 1, and the interval of two drive wheels 405 is as little as possible to guaranteed turning to of dolly nimble, for making the better ground that pastes of drive wheel 405, guarantee driving friction, drive module 4 is with pressure spring 408 pre-compaction to ground, wherein: the connecting plate 411 is an outward mounting structure of the whole driving module 4 and is used for mounting and fixing with the bottom plate 1; the linear bearing 409 with the flange and the connecting plate 411 are fastened and connected into a whole through screws; the pressing shaft 407 is mounted at the lower end of the linear bearing 409 and is fixed with the linear bearing 409 through a pressing shaft fixing screw 413 and a fixing cover plate 410, so that the pressing shaft 407 can move up and down in the linear bearing 409 without falling off; after the driving module 4 is pre-stressed, the connecting plate 411 drives the linear bearing 409 to move downwards, the downward moving linear bearing 409 compresses and pre-tightens the pressing spring 408, the pressing spring 408 is shortened, and the top of the pressing shaft 407 leaks out one section; when advancing and retreating, the driving motor 402 rotates in the same speed and the same direction, the driving force is transmitted to the connecting plate 411 through the pressing shaft 407, and the connecting plate 411 is fixed with the bottom plate 1, so that the whole bottom plate 1 is driven to move forwards, and when turning, the bottom plate 1 is driven to turn through the differential speed of the driving motor 402. The utility model discloses the most significant characteristics are integrated in a drive module 4 group with the drive module 4 of traditional two parts separated automobile body both sides, and drive module 4 is as little as possible, and drive module 4 places in the middle of the automobile body, and drive module and automobile body adopt hinge follow-up to connect, make the automobile body possess little fast smart characteristics like this. In order to prevent the vehicle body from overturning, two groups of auxiliary wheels are respectively designed at the front and the rear of the vehicle body, so that the vehicle body has stronger overturn-resisting and overturning-resisting effects, and the load-carrying capacity is also enhanced.
Example 2
As shown in fig. 1 to 8, the present embodiment is different from embodiment 1 in that a mounting screw 418 is provided between the mounting plate 401, the driving motor 402, and the guide block 403. With this arrangement, the mounting screw 418 fixes the driving motor 402 to the mounting plate 401, and the guide block 403 integrally forms the two motors, that is, the mounting plate 401, the two driving motors 402, and the guide block 403 form a rigid body.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can be covered within the protection scope of the present invention without the changes or substitutions conceived by the inventive work within the technical scope disclosed by the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (6)
1. An undercarriage structure of a high speed AGV, comprising a floor (1), characterized in that: the front end of the bottom surface of the bottom plate (1) is provided with an auxiliary universal wheel (2), the rear end of the bottom surface of the bottom plate (1) is provided with an auxiliary directional wheel (3), and the middle part of the bottom surface of the bottom plate (1) is provided with a driving module (4); the driving module (4) comprises a mounting plate (401), and the mounting plate (401) is a rectangular body with a groove surface on the bottom surface; two symmetrical driving motors (402) are arranged inside the mounting plate (401), and a guide block (403) is arranged in the middle of each of the two driving motors (402); a rotating shaft (404) penetrates between the two driving motors (402), the rotating shaft (404) also penetrates through the guide block (403) and the mounting plate (401), and driving wheels (405) are arranged at two ends of the rotating shaft (404); a transmission shaft (406) is further arranged on the guide block (403) in a penetrating mode, the transmission shaft (406) is perpendicular to the rotating shaft (404), the transmission shaft (406) is located on the upper portion of the rotating shaft (404), and two ends of the transmission shaft (406) are connected with the side face of the mounting plate (401); a pressing shaft (407) is sleeved on the transmission shaft (406), and the pressing shaft (407) is vertically arranged upwards and penetrates through the mounting plate (401); a compression spring (408) is sleeved on the compression shaft (407), and a linear bearing (409) is sleeved at the upper end of the compression spring (408); a fixed cover plate (410) is arranged on the upper end face of the pressing shaft (407); the linear bearing (409) is sleeved with a connecting plate (411), and two ends of the upper end face of the connecting plate (411) are provided with connecting holes (412); the connecting plate (411) is connected with the bottom surface of the bottom plate (1).
2. The undercarriage structure for a high speed AGV according to claim 1 wherein: the fixed cover plate (410) is connected with the pressing shaft (407) through a pressing shaft fixing screw (413).
3. The undercarriage structure for a high speed AGV according to claim 1 wherein: and a shaft sleeve (414) is arranged at the contact position of the driving wheel (405) and the rotating shaft (404), and the shaft sleeve (414) is connected with the rotating shaft (404) through a rotating shaft fixing screw (415).
4. The undercarriage structure for a high speed AGV according to claim 1 wherein: a bushing (416) is provided on the drive shaft (406) between the drive wheel (405) and the side of the mounting plate (401).
5. The undercarriage structure for a high speed AGV according to claim 1 wherein: a transmission shaft fixing baffle (417) is arranged between the transmission shaft (406) and the driving motor (402).
6. The undercarriage structure for a high speed AGV according to claim 1 wherein: and mounting screws (418) are arranged among the mounting plate (401), the driving motor (402) and the guide block (403).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020204250.8U CN212149087U (en) | 2020-02-25 | 2020-02-25 | Chassis structure of high-speed AGV |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020204250.8U CN212149087U (en) | 2020-02-25 | 2020-02-25 | Chassis structure of high-speed AGV |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212149087U true CN212149087U (en) | 2020-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020204250.8U Active CN212149087U (en) | 2020-02-25 | 2020-02-25 | Chassis structure of high-speed AGV |
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| Country | Link |
|---|---|
| CN (1) | CN212149087U (en) |
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- 2020-02-25 CN CN202020204250.8U patent/CN212149087U/en active Active
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