CN216580774U - Wheel shock-absorbing mechanism for AGV trolley chassis - Google Patents
Wheel shock-absorbing mechanism for AGV trolley chassis Download PDFInfo
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- CN216580774U CN216580774U CN202122902868.9U CN202122902868U CN216580774U CN 216580774 U CN216580774 U CN 216580774U CN 202122902868 U CN202122902868 U CN 202122902868U CN 216580774 U CN216580774 U CN 216580774U
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Abstract
The utility model relates to the technical field of AGV trolley shock absorption, in particular to a wheel shock absorption mechanism for an AGV trolley chassis, which comprises a driving wheel and a bearing support for mounting the driving wheel, wherein the bearing support comprises a top plate and a bottom plate which are parallel to each other, a plurality of support columns and guide shafts are vertically connected between the top plate and the bottom plate, so that the bearing capacity of the bottom plate is enhanced, the bearing support is matched with the top plate to increase the stress balance of the bearing support, a spring support is mounted between the top plate and the bottom plate, spring parts coaxially mounted on the guide shafts are arranged at the top and the bottom of the spring support, and the driving wheel is horizontally mounted on the spring support; when the chassis of the AGV trolley rocks greatly, the spring support provided with the driving wheels can rock up and down, the spring part on the guide shaft can buffer the spring support, the rocking amplitude is reduced, the spring support can not impact the top plate and the bottom plate, the bearing support is protected, the spring support and the bearing support can support the driving wheels in a good condition, and the stable operation is continued.
Description
Technical Field
The utility model relates to the technical field of AGV trolley shock absorption, in particular to a wheel shock absorption mechanism for an AGV trolley chassis.
Background
There is a large amount of actuating mechanism that moves away to avoid possible earthquakes on the market at present, is applied to the chassis of traditional AGV car especially miniature AGV car, and current actuating mechanism that moves away to avoid possible earthquakes includes fixing base, wheel, mechanism and drive arrangement move away to avoid possible earthquakes, moves away to avoid possible earthquakes the mechanism including installing in the guiding axle of fixing base, install in the linear bearing of fixing base, install in the equal altitude bolt of fixing base and the rectangle spring that the equal altitude bolt was located to the cover, the upper end cover of guiding axle is located in the linear bearing. The pre-compression amount of the shock absorber is adjusted through interaction of the guide shaft and the linear bearing, and meanwhile, the wheels are always in contact with the ground through the small-range stretching and rebounding of the rectangular spring, so that the vibration of the trolley is avoided or reduced.
The existing shock-absorbing structure has the defects that the bearing capacity of a spring support frame for mounting wheel drive is general, when a road section with large bumping amplitude is encountered, a guide shaft provided with a rectangular spring is easy to deviate, and is easy to mutually fall off or break with the spring support frame, so that the shock-absorbing structure is damaged
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a wheel shock absorption mechanism for an AGV trolley chassis, aiming at overcoming the defects in the prior art.
In order to realize the purpose, the technical scheme of the utility model is as follows:
the utility model provides a wheel mechanism of moving away to avoid possible earthquakes for AGV dolly chassis, including driving wheel, still including the support that bears that is used for installing driving wheel, it is symmetrical formula structure to bear the support, it includes roof and the bottom plate that is parallel to each other to bear the support, vertically between roof and the bottom plate is connected with a plurality of support columns and guiding axle, through the vertical spring bracket that installs of guiding axle between roof and the bottom plate, spring bracket top and bottom all are provided with the spring part of coaxial arrangement at the guiding axle, driving wheel horizontal installation is in the middle-end of spring bracket lateral wall.
Further: two guide shafts are respectively arranged at the left end and the right end between the top plate and the bottom plate, and the spring piece is coaxially arranged on the guide shafts at the outer side.
Further: bearing blocks are formed at two ends of the spring support, guide holes which are coaxially matched with the guide shafts are formed in the bearing blocks, a linear bearing which is coaxially matched with the guide shafts is installed in one of the guide holes of the bearing blocks, and the linear bearing is coaxially matched with the guide shafts on the inner side.
Further: the spring bracket bottom shaping has the stopper of downwardly extending, and the bottom plate top surface shaping has the spacing groove with the coaxial complex of stopper, and the height that highly is less than the stopper of spacing groove.
Further: and a plurality of supporting springs are arranged at the bottom of the limiting block or the top of the limiting groove.
Further: the top plate, the bottom plate and the two ends of the spring support are horizontally bent towards the same side, the driving wheels are installed in the inner side area of the bent spring support, the driving wheels are coaxially connected with the driving motor, the driving motor is horizontally installed on the outer side of the spring support, and the driving end of the driving motor is coaxially connected with the driving wheels through the spring support.
Further: the height of the spring support does not exceed 1/2 of the spacing between the top and bottom plates.
Further: the bottom plate bottom is provided with a plurality of elastic convex blocks, and the bottom plate is also molded with a plurality of mounting grooves for detachably mounting the elastic convex blocks.
The utility model has the beneficial effects that: according to the wheel shock absorption mechanism for the AGV trolley chassis, when the AGV trolley chassis shakes greatly, the spring support provided with the driving wheels can shake up and down, the spring part on the guide shaft can buffer the spring support, the shaking amplitude is reduced, the spring part cannot impact the top plate and the bottom plate, the bearing support is protected, the spring support and the bearing support can support the driving wheels in a good and undamaged manner, and the driving wheels can continue to run stably.
Drawings
FIG. 1 is a schematic view of the overall structure of a wheel suspension mechanism.
FIG. 2 is another perspective view of the wheel suspension mechanism, showing the drive wheel hidden and the rectangular spring hidden at one end of the spring bracket.
Fig. 3 is an exploded view of the wheel suspension mechanism.
The reference numerals include:
1-load-bearing support
11-top plate 12-bottom plate 13-guide shaft 14-support column 15-spring support
16-rectangular spring 17-linear bearing 18-locking screw 19-guide hole
20-driving wheel 21-driving motor 22-limiting block 23-limiting groove
24-bearing block 25-support spring 26-mounting structure 27-mounting groove.
Detailed Description
The present invention is described in detail below with reference to the attached drawings.
As shown in fig. 1-3, a wheel suspension mechanism for an AGV trolley chassis comprises a driving wheel 20 and a bearing support 1 for mounting the driving wheel 20, wherein the bearing support 1 comprises a top plate 11 and a bottom plate 12 which are parallel to each other, the top plate 11 and the bottom plate 12 are both arranged flatly, a plurality of supporting columns 14 and guiding shafts 13 are vertically connected between the top plate 11 and the bottom plate 12, so that the bearing capacity of the bottom plate 12 is enhanced, the bearing support 1 is balanced in stress by matching with the top plate 11, a spring support 15 is vertically mounted between the top plate 11 and the bottom plate 12 through the guiding shafts 13, a spring part coaxially mounted on the guiding shafts 13 is arranged at the top of the spring support 15, and the driving wheel 20 is horizontally mounted at the middle end of the side wall of the spring support 15; the spring bracket 15 is arranged on the bearing bracket 1 consisting of the top plate 11 and the bottom plate 12 through the guide shaft 13 and the spring part; when the AGV dolly chassis rocks great, spring support 15 that is equipped with driving wheel 20 can rock from top to bottom, and spring part on the guiding axle 13 can cushion spring support 15, reduces the range of rocking, can not strike roof 11 and bottom plate 12, has protected bearing support 1, makes spring support 15 and bearing support 1 can support driving wheel 20 undamaged ground, continues even running.
The top of the top plate 11 is provided with a mounting structure 26, so that the bearing support 1 provided with the driving wheels 20 is an independent modular mechanism, can be flexibly applied to single-drive AGVs or double-drive AGVs, is suitable for AGVs of various application types, and has high universality.
Two guide shafts 13 are respectively arranged at the left end and the right end between the top plate 11 and the bottom plate 12, the spring piece is coaxially arranged on the guide shaft 13 at the outer side, bearing blocks 24 are formed at the two ends of the spring support 15, guide holes 19 which are coaxially matched with the guide shafts 13 are formed in the bearing blocks 24, a linear bearing 17 which is coaxially matched with the guide shafts 13 is arranged in one guide hole 19 of the bearing block 24, and the linear bearing 17 is coaxially matched with the guide shaft 13 at the inner side; the lower part of the guide shaft 13 is provided with threads, the bottom plate 12 and the top plate 11 of the bearing support 1 are both fixed with the guide shaft 13 through the threads, the bearing block 24 of the spring support 15 penetrates through the guide shaft 13 through the guide hole 19 to realize the matching of the linear bearing 17 and the guide shaft 13, the spring part is a rectangular spring 16, the rectangular spring 16 is sleeved on the guide shaft 13, the lower end of the rectangular spring 16 at the top is abutted against the top surface of the bearing block 24, the rectangular spring 16 at the lower end is abutted against the top surface of the bottom plate 12, and the top plate 11 is covered and then fixed with the bearing support 1 through screws.
The bearing bracket 1 is of a symmetrical structure, and the guide holes 19 at the two ends are arranged on the bearing bracket 1 by taking the driving wheels 20 as symmetrical points, so that the supporting stability of the bearing bracket 1 is also improved.
The spring support 15 is prevented from falling off from the guide shaft 13 to cause the shock absorption function to be invalid, and locking screws 18 are arranged on the top plate 11 and the bottom plate 12 and are connected with the guide shaft 13; the guide shaft 13 plays a guiding role, the top plate 11 and the bottom plate 12 of the bearing support 1 are fixedly connected through the guide shaft 13 and the supporting column 14, the supporting stability of the bearing support 1 is improved, and the bearing capacity is improved.
When the AGV runs on an uneven road surface, the wheels of the driving wheels 20 can be always contacted with the ground through the small-range expansion and rebound of the rectangular springs 16, so that the vibration of the AGV is avoided or reduced. The movement mechanism is symmetrically used on two sides, and the problem of uneven stress of multiple points in the damping process can be effectively solved.
A limiting block 22 extending downwards is formed at the bottom of the spring support 15, a limiting groove 23 coaxially matched with the limiting block 22 is formed at the top surface of the bottom plate 12, the height of the limiting groove 23 is smaller than that of the limiting block 22, and a plurality of supporting springs 25 are arranged at the bottom of the limiting block 22 or at the top of the limiting groove 23; because spring bracket 15 can go up and down to rock when crossing the highway section of jolting, when the range of rocking is great, spring bracket 15 bottom contacts bottom plate 12 easily, causes the striking to bottom plate 12, consequently adopts spacing groove 23 highly to be less than stopper 22's cooperation and cooperatees, and stopper 22 only can strike with spacing groove 23, and when the striking, supporting spring 25 and stopper 22 bottom surface elastic fit can protect spacing groove 23, reduce the impact force, improve stability.
The two ends of the top plate 11, the bottom plate 12 and the spring support 15 are horizontally bent towards the same side, the driving wheel 20 is installed in the bent inner side area of the spring support 15, the driving wheel 20 is coaxially connected with the driving motor 21, the driving motor 21 is horizontally installed on the outer side of the spring support 15, and the driving end of the driving motor 21 is coaxially connected with the driving wheel 20 through the spring support 15; the bent parts of the top plate 11, the bottom plate 12 and the spring support 15 are positioned at two sides of the driving wheel 20, so that the driving wheel 20 can be protected to a certain extent, and the exposed area of the driving wheel 20 is reduced.
The height of the spring support 15 does not exceed 1/2 of the distance between the top plate 11 and the bottom plate 12, and the shaking amplitude of the spring support 15 is greatly reduced, so that the shock-absorbing effect can be improved.
In order to improve the installation simplicity of the bearing support 1 and the AGV trolley, the bottom surface of the bottom plate 12 can be used as an installation surface, the bottom surface of the bottom plate 12 faces upwards and is attached to the installation surface of the AGV trolley to be fastened, the top plate 11 or the bottom plate 12 can be selected optionally as the installation surface, the rectangular spring 16 can be installed at the bottom and the top of the spring support 15 at the same time, the shaking amplitude of the spring support 15 is greatly reduced, and the shock-proof effect can be improved.
The supporting spring 25 at the bottom of the spring support 15 can play an elastic role, can protect the bottom plate 12 and the bearing support 1, and greatly prolongs the service life of the bearing support 1.
In conclusion, the present invention has the above-mentioned excellent characteristics, so that it can be used to enhance the performance of the prior art and has practicability, and becomes a product with practical value.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.
Claims (8)
1. The utility model provides a wheel mechanism of moving away to avoid possible earthquakes for AGV dolly chassis, includes the drive wheel, still includes the support that bears that is used for installing the drive wheel, its characterized in that: bear the support and be symmetrical formula structure, bear the support and include roof and the bottom plate that is parallel to each other, vertically be connected with a plurality of support columns and guiding axle between roof and the bottom plate, vertically install the spring bracket through the guiding axle between roof and the bottom plate, spring bracket top and bottom all are provided with the spring part of coaxial arrangement at the guiding axle, driving wheel horizontal installation in the spring bracket lateral wall.
2. The wheel suspension mechanism for an AGV cart chassis of claim 1, further comprising: two guide shafts are respectively arranged at the left end and the right end between the top plate and the bottom plate, and the spring piece is coaxially arranged on the guide shafts at the outer side.
3. The wheel suspension mechanism for an AGV cart chassis of claim 2, further comprising: bearing blocks are formed at two ends of the spring support, guide holes which are coaxially matched with the guide shafts are formed in the bearing blocks, one of the guide holes of the bearing block is provided with a linear bearing which is coaxially matched with the guide shafts, and the linear bearing is coaxially matched with the guide shafts on the inner side.
4. The wheel suspension mechanism for AGV chassis according to any one of claims 1 to 3, wherein: the spring support bottom shaping has the stopper of downwardly extending, and the bottom plate top surface shaping has the spacing groove with the coaxial complex of stopper, and the height that highly is less than the stopper of spacing groove.
5. The wheel suspension mechanism for an AGV car chassis of claim 4, wherein: and a plurality of supporting springs are arranged at the bottom of the limiting block or the top of the limiting groove.
6. The wheel suspension mechanism for an AGV car chassis of claim 4, wherein: the top plate, the bottom plate and the two ends of the spring support are horizontally bent towards the same side, the driving wheels are installed in the bent inner side area of the spring support, the driving wheels are coaxially connected with a driving motor, the driving motor is horizontally installed on the outer side of the spring support, and the driving end of the driving motor is coaxially connected with the driving wheels through the spring support.
7. The wheel suspension mechanism for an AGV cart chassis of claim 1, further comprising: the height of the spring support does not exceed 1/2 of the spacing between the top and bottom plates.
8. The wheel suspension mechanism for AGV chassis according to any one of claims 5 to 7, wherein: the bottom of the bottom plate is provided with a plurality of elastic lugs, and the bottom plate is also provided with a plurality of mounting grooves for detachably mounting the elastic lugs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122902868.9U CN216580774U (en) | 2021-11-24 | 2021-11-24 | Wheel shock-absorbing mechanism for AGV trolley chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122902868.9U CN216580774U (en) | 2021-11-24 | 2021-11-24 | Wheel shock-absorbing mechanism for AGV trolley chassis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216580774U true CN216580774U (en) | 2022-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122902868.9U Active CN216580774U (en) | 2021-11-24 | 2021-11-24 | Wheel shock-absorbing mechanism for AGV trolley chassis |
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| CN (1) | CN216580774U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115303385A (en) * | 2022-09-19 | 2022-11-08 | 河南卫特机器人有限公司 | Heavy-load AGV vehicle |
| CN115848117A (en) * | 2023-02-21 | 2023-03-28 | 恒业智能驱动(杭州)股份有限公司 | Electric drive device capable of being symmetrically installed and forklift with same |
-
2021
- 2021-11-24 CN CN202122902868.9U patent/CN216580774U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115303385A (en) * | 2022-09-19 | 2022-11-08 | 河南卫特机器人有限公司 | Heavy-load AGV vehicle |
| CN115303385B (en) * | 2022-09-19 | 2023-12-26 | 河南卫特机器人有限公司 | Heavy load AGV vehicle |
| CN115848117A (en) * | 2023-02-21 | 2023-03-28 | 恒业智能驱动(杭州)股份有限公司 | Electric drive device capable of being symmetrically installed and forklift with same |
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