CN220906236U - AGV trolley with stable steering - Google Patents
AGV trolley with stable steering Download PDFInfo
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- CN220906236U CN220906236U CN202322623555.9U CN202322623555U CN220906236U CN 220906236 U CN220906236 U CN 220906236U CN 202322623555 U CN202322623555 U CN 202322623555U CN 220906236 U CN220906236 U CN 220906236U
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- 230000001681 protective effect Effects 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims description 28
- 230000000694 effects Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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- 230000003139 buffering effect Effects 0.000 description 1
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Abstract
The utility model discloses an AGV trolley with stable steering, which comprises a trolley main body, a steering mechanism and a guide rail, wherein the trolley main body comprises a first mounting frame and a second mounting frame, a protective cover is fixedly sleeved outside the first mounting frame and the second mounting frame, driving wheels are arranged on two sides of the bottom of the first mounting frame and the second mounting frame, the first mounting frame and the second mounting frame are connected through connecting rods, a first driving motor is fixedly arranged in the first mounting frame, an output shaft of the first driving motor is in transmission connection with a first transmission shaft, the steering mechanism comprises a differential mechanism box arranged at the bottom of the second mounting frame, a differential mechanism is arranged in the differential mechanism box, and the guide rail is arranged under the trolley main body. The AGV trolley with stable steering is advanced in design, compact in structure and reliable in operation, and can operate at different speeds by the left and right driving wheels, so that the AGV trolley is stably steered, derailment or rollover of the trolley main body during operation can be effectively prevented, and production cost and self weight of the AGV trolley are effectively reduced.
Description
Technical Field
The utility model belongs to the technical field of material transportation equipment, and particularly relates to an AGV trolley with stable steering.
Background
The intelligent AGV system is important equipment in a logistics system of a modern manufacturing enterprise, is mainly used for storing and transporting various materials and transferring sequences, provides important guarantee for flexible, integrated and efficient operation of the system, mainly performs regular and repeated grabbing, carrying and other works in factories, and can carry heavy objects, dangerous objects, fragile objects and the like. The AGV trolley is used as a wheeled mobile robot, is provided with an electromagnetic or optical automatic guiding device and the like, can automatically run along a specified path, is widely applied to a conveying system, and has the main characteristics of high intelligent degree and automatic whole process running.
The current AGV dolly is equipped with two drive wheels at the middle part of automobile body, and two drive wheels are driven respectively by two motors, can realize the turning to of automobile body through the speed ratio of two drive wheels in control middle part, and this mode of turning to has simple structure, the advantage that positioning accuracy is high, but also has some defects, for example: 1. the speed of the two driving wheels is difficult to control accurately, and when the actual speed ratio cannot meet the turning requirement, the AGV trolley is easy to turn on one's side; 2. the two driving wheels are respectively driven by the two motors, so that the cost is high, and the AGV trolley is heavy. Therefore, there is an urgent need to design an AGV that turns smoothly to solve the above-mentioned problems.
Disclosure of utility model
The utility model aims to provide an AGV trolley with stable steering, which solves the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an AGV cart with smooth steering, comprising:
The trolley comprises a trolley body, wherein the trolley body comprises a first mounting frame and a second mounting frame, a protective cover is fixedly sleeved on the outer parts of the first mounting frame and the second mounting frame, driving wheels are arranged on the two sides of the bottom of the first mounting frame and the second mounting frame, the first mounting frame and the second mounting frame are connected through a connecting rod, a first driving motor is fixedly arranged in the first mounting frame, an output shaft of the first driving motor is in transmission connection with a first transmission shaft, and one end of the first transmission shaft extends to the bottom of the second mounting frame;
The steering mechanism comprises a differential case arranged at the bottom of the second installation frame, a differential mechanism is arranged in the differential case and is in transmission connection with the first transmission shaft, and the differential mechanism is in transmission connection with a driving wheel at the bottom of the second installation frame through a half shaft;
And the guide rail is arranged right below the trolley main body.
Further, the automatic feeding device comprises a feeding mechanism, wherein the feeding mechanism comprises two mounting blocks fixed on a connecting rod, a driving motor II is fixed at the bottom of one mounting block, two mounting blocks are connected through a transmission shaft II, chain wheels are arranged at two ends of each mounting block and are connected with the transmission shaft II in a transmission mode through chains, and a plurality of idler wheels are arranged on one side of each mounting block.
Further, the differential mechanism comprises a transmission gear, an annular gear ring, a star gear and side gears, wherein the transmission gear is connected with one end of a first transmission shaft in a key manner, the annular gear ring is movably sleeved on any half shaft, one side of the annular gear ring is fixedly provided with a mounting plate, the star gear is rotationally connected with one end of the mounting plate, the side gears are connected with one end of the half shaft in a key manner, the transmission gear is connected with the annular gear ring in a meshed manner, and the star gear is simultaneously connected with two side gears in a meshed manner.
Still further, steering mechanism still includes spacing wheelset, spacing wheelset is fixed in the same one side of mounting bracket one and mounting bracket two respectively, spacing wheelset includes two spacing wheels, two spacing wheels laminate with the inside and outside both sides of guide rail respectively.
Still further, steering mechanism still includes spout and slider, the spout is fixed in one side of guide rail, slider and spout sliding connection, the slider passes through right angle connecting piece and mounting bracket one and two fixed connection of mounting bracket respectively.
Still further, be equipped with the loading board between mounting bracket one and the mounting bracket two, the loading board is fixed at the upper surface of connecting rod.
Still further, one side of mounting bracket one and mounting bracket two all is equipped with the crashproof piece that extends to the protection casing outside.
Still further, the bottom of guide rail is fixed with a plurality of supporting legs, the tip of guide rail is fixed with the stopper.
The utility model has the technical effects and advantages that: the AGV trolley with the stable steering function is advanced in design, compact in structure and reliable in operation, and can effectively prevent derailment or rollover of a trolley body during operation by arranging the limiting wheel set, the sliding groove and the sliding block, and can realize operation of left and right driving wheels at different speeds by arranging the differential mechanism and the half shaft, so that the AGV trolley is stably steered, and the AGV trolley can be stably steered only by one driving motor, and the production cost and the dead weight of the AGV trolley are effectively reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a left side view of the present utility model;
FIG. 3 is a rear view of the present utility model;
FIG. 4 is a bottom view of the present utility model;
Fig. 5 is a horizontal cross-sectional view of the differential case of the present utility model.
In the figure: 100. a trolley body; 101. a first mounting frame; 102. a second mounting frame; 103. a protective cover; 104. a driving wheel; 105. a connecting rod; 106. a carrying plate; 107. driving a first motor; 108. a transmission shaft I; 109. an anti-collision block; 200. a steering mechanism; 201. a differential case; 202. a differential; 2021. a transmission gear; 2022. an annular gear ring; 2023. a star gear; 2024. a side gear; 2025. a mounting plate; 203. a half shaft; 204. a limiting wheel set; 2041. a limiting wheel; 205. a chute; 206. a slide block; 300. a guide rail; 301. supporting feet; 302. a limiting block; 400. a blanking mechanism; 401. a mounting block; 402. a second driving motor; 403. a transmission shaft II; 404. a sprocket; 405. a chain; 406. and a roller.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The present utility model provides a smoothly steered AGV as shown in FIGS. 1-5, comprising:
The trolley body 100 comprises a first mounting frame 101 and a second mounting frame 102, wherein a protective cover 103 is fixedly sleeved outside the first mounting frame 101 and the second mounting frame 102, driving wheels 104 are arranged on two sides of the bottom of the first mounting frame, the first mounting frame 101 and the second mounting frame 102 are connected through a connecting rod 105, the first mounting frame 101 and the second mounting frame 102 are connected into a whole, a first driving motor 107 is fixed in the first mounting frame 101, an output shaft of the first driving motor 107 is in transmission connection with a first transmission shaft 108, one end of the first transmission shaft 108 extends to the bottom of the second mounting frame 102, and power output by the first driving motor 107 is conveniently transmitted to the first transmission shaft 108;
The steering mechanism 200 comprises a differential case 201 arranged at the bottom of the second mounting frame 102, a differential 202 is arranged in the differential case 201, the differential 202 is in transmission connection with the first transmission shaft 108, power on the first transmission shaft 108 is conveniently transmitted to the differential 202, the differential 202 is in transmission connection with the driving wheel 104 at the bottom of the second mounting frame 102 through a half shaft 203, the power on the differential 202 is conveniently transmitted to the half shaft 203, and the driving wheel 104 is further driven to rotate;
The guide rails 300 are arranged right below the trolley main body 100, two guide rails 300 are arranged in parallel, and the distance between the two guide rails 300 is the same as the distance between the driving wheels 104 on the left side and the right side of the first mounting frame 101 and the second mounting frame 102.
In addition, still include unloading mechanism 400, unloading mechanism 400 includes two installation pieces 401 of fixing on connecting rod 105 for unloading mechanism 400 can be along with the motion of dolly main body 100 together, can realize the freight transportation, wherein the bottom of installation piece 401 is fixed with driving motor two 402, be connected through transmission shaft two 403 between two installation pieces 401, the both ends of installation piece 401 are equipped with sprocket 404, sprocket 404 passes through chain 405 and transmission shaft two 403 transmission connection, driving motor two 402 passes through chain 405 and drives transmission shaft two 403 rotation, the tip of transmission shaft two 403 is connected through chain 405 with its corresponding sprocket 404, transmission shaft two 403 drives chain 405 motion, and then drive the freight motion of placing on installation piece 401, realize the unloading, one side of installation piece 401 is equipped with a plurality of gyro wheel 406, reduce friction, make things convenient for the freight motion.
Specifically, the differential 202 includes a transmission gear 2021, an annular gear 2022, a star gear 2023 and a side gear 2024, the transmission gear 2021 is connected to one end of the transmission shaft 108 in a key manner, the annular gear 2022 is movably sleeved on any one of the half shafts 203, a mounting plate 2025 is fixed on one side of the annular gear 2022, the star gear 2023 is rotatably connected to one end of the mounting plate 2025, the side gear 2024 is connected to one end of the half shaft 203 in a key manner, wherein the transmission gear 2021 is meshed with the annular gear 2022, the star gear 2023 is meshed with two side gears 2024 at the same time, so that power of the transmission shaft 108 is conveniently transmitted to the annular gear 2022, then transmitted to the star gear 2023 through the annular gear 2022, and finally transmitted to the side gear 2024 through the star gear 2023.
It should be noted that, the steering mechanism 200 further includes a limiting wheel set 204, the limiting wheel set 204 is respectively fixed on the same side of the first mounting frame 101 and the second mounting frame 102, the limiting wheel set 204 includes two limiting wheels 2041, the two limiting wheels 2041 are respectively attached to the inner side and the outer side of the guide rail 300, which not only can guide the running of the trolley body 100, but also can prevent the derailment of the trolley body 100 caused by the deviation during the running.
Specifically, the steering mechanism 200 further includes a sliding groove 205 and a sliding block 206, the sliding groove 205 is fixed on one side of the guide rail 300, the sliding block 206 is slidably connected with the sliding groove 205, and the sliding block 206 is fixedly connected with the first mounting frame 101 and the second mounting frame 102 respectively through right-angle connectors, so that the steering mechanism can not only guide the running of the trolley main body 100, but also prevent the side turning of the trolley main body 100 due to overlarge centrifugal force in the turning process.
It should be noted that, a bearing plate 106 is disposed between the first mounting frame 101 and the second mounting frame 102, and the bearing plate 106 is fixed on the upper surface of the connecting rod 105, so that the bearing plate can be used for bearing goods and protecting the first transmission shaft 108 and the second transmission shaft 403.
Specifically, the first mounting frame 101 and the second mounting frame 102 are provided with the anti-collision blocks 109 extending to the outside of the protective cover 103, and the anti-collision blocks 109 are formed by pressing rubber, so that the anti-collision device has the advantages of wear resistance and high elasticity, and can play a role in buffering, and the car body 100 is prevented from being damaged due to collision.
Specifically, a plurality of supporting legs 301 are fixed at the bottom of the guide rail 300, so that the guide rail 300 can be supported, the guide rail 300 can be fixedly connected with the ground through the supporting legs 301, and a limiting block 302 is fixed at the end part of the guide rail 300, so that the trolley main body 100 can be limited.
Working principle: when the AGV trolley with stable steering is used, firstly, goods are placed on the mounting block 401, then the first driving motor 107 is started, the first driving motor 107 drives the first driving shaft 108 to rotate, then the first driving shaft 108 transmits power to the differential 202, finally, the differential 202 drives the half shaft 203 to rotate, driving of the trolley main body 100 is achieved, when the AGV trolley is required to turn, the first driving shaft 108 drives the annular gear 2022 through the transmission gear 2021 at the end to rotate, the annular gear 2022 drives the star gear 2023 to revolve, the rotation direction of the star gear 2023 is the same as the rotation direction of one side gear 2024 and is opposite to the rotation direction of the other side gear 2024, therefore, the rotation speed of the two driving wheels 104 is different when the AGV trolley main body 100 is turned, slipping of the trolley main body 100 is avoided when the AGV trolley is turned is required, when the AGV trolley is required to be fed, the second driving motor 402 drives the second driving shaft 403 to rotate, and further drives the chain 405 to rotate, and the goods placed on the chain 405 is conveyed to one side until the trolley main body 100 drops, and the blanking is completed. The AGV trolley with stable steering is advanced in design, compact in structure and reliable in operation, derailment or rollover of the trolley body 100 during operation can be effectively prevented by the aid of the limiting wheel set 204, the sliding groove 205 and the sliding block 206, and the driving wheels 104 can be operated at different speeds by the aid of the differential mechanism 202 and the half shaft 203, so that the AGV trolley is stably steered, stable steering can be realized by the aid of the AGV trolley only by means of one driving motor, and production cost and dead weight of the AGV trolley are effectively reduced.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (8)
1. An AGV cart with smooth steering, comprising:
The trolley comprises a trolley body (100), wherein the trolley body (100) comprises a first installation frame (101) and a second installation frame (102), a protective cover (103) is fixedly sleeved on the outer parts of the first installation frame (101) and the second installation frame (102), driving wheels (104) are arranged on the two sides of the bottom of the first installation frame, the first installation frame (101) and the second installation frame (102) are connected through connecting rods (105), a first driving motor (107) is fixedly arranged in the first installation frame (101), a first transmission shaft (108) is connected with an output shaft of the first driving motor (107) in a transmission manner, and one end of the first transmission shaft (108) extends to the bottom of the second installation frame (102);
The steering mechanism (200) comprises a differential case (201) arranged at the bottom of the second installation frame (102), a differential mechanism (202) is arranged in the differential case (201), the differential mechanism (202) is in transmission connection with the first transmission shaft (108), and the differential mechanism (202) is in transmission connection with a driving wheel (104) at the bottom of the second installation frame (102) through a half shaft (203);
And the guide rail (300) is arranged right below the trolley main body (100).
2. The smoothly steered AGV cart of claim 1, wherein: still include unloading mechanism (400), unloading mechanism (400) include two installation piece (401) of fixing on connecting rod (105), wherein one the bottom of installation piece (401) is fixed with driving motor two (402), two connect through transmission shaft two (403) between installation piece (401), the both ends of installation piece (401) are equipped with sprocket (404), sprocket (404) are connected with transmission shaft two (403) transmission through chain (405), one side of installation piece (401) is equipped with a plurality of gyro wheel (406).
3. The smoothly steered AGV cart of claim 1, wherein: differential mechanism (202) are including drive gear (2021), ring gear (2022), star gear (2023) and side gear (2024), drive gear (2021) key connection is in the one end of transmission shaft one (108), ring gear (2022) activity cup joints on arbitrary semi-axis (203), one side of ring gear (2022) is fixed with mounting panel (2025), star gear (2023) rotate the one end of connecting at mounting panel (2025), side gear (2024) key connection is in the one end of semi-axis (203), wherein, drive gear (2021) and ring gear (2022) meshing are connected, star gear (2023) simultaneously with two side gear (2024) meshing is connected.
4. The smoothly steered AGV cart of claim 1, wherein: the steering mechanism (200) further comprises a limiting wheel set (204), the limiting wheel set (204) is respectively fixed on the same side of the first installation frame (101) and the second installation frame (102), the limiting wheel set (204) comprises two limiting wheels (2041), and the two limiting wheels (2041) are respectively attached to the inner side and the outer side of the guide rail (300).
5. The smoothly steered AGV cart of claim 1, wherein: the steering mechanism (200) further comprises a sliding groove (205) and a sliding block (206), the sliding groove (205) is fixed on one side of the guide rail (300), the sliding block (206) is in sliding connection with the sliding groove (205), and the sliding block (206) is fixedly connected with the first installation frame (101) and the second installation frame (102) through right-angle connecting pieces respectively.
6. The smoothly steered AGV cart of claim 1, wherein: and a bearing plate (106) is arranged between the first mounting frame (101) and the second mounting frame (102), and the bearing plate (106) is fixed on the upper surface of the connecting rod (105).
7. The smoothly steered AGV cart of claim 1, wherein: and an anti-collision block (109) extending to the outside of the protective cover (103) is arranged on one side of the first mounting frame (101) and one side of the second mounting frame (102).
8. The smoothly steered AGV cart of claim 1, wherein: the bottom of guide rail (300) is fixed with a plurality of supporting legs (301), and stopper (302) are fixed with to the tip of guide rail (300).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322623555.9U CN220906236U (en) | 2023-09-26 | 2023-09-26 | AGV trolley with stable steering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322623555.9U CN220906236U (en) | 2023-09-26 | 2023-09-26 | AGV trolley with stable steering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220906236U true CN220906236U (en) | 2024-05-07 |
Family
ID=90907113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322623555.9U Active CN220906236U (en) | 2023-09-26 | 2023-09-26 | AGV trolley with stable steering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220906236U (en) |
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2023
- 2023-09-26 CN CN202322623555.9U patent/CN220906236U/en active Active
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