CN111976406B - Shock-absorbing structure and AGV dolly - Google Patents
Shock-absorbing structure and AGV dolly Download PDFInfo
- Publication number
- CN111976406B CN111976406B CN202010968200.1A CN202010968200A CN111976406B CN 111976406 B CN111976406 B CN 111976406B CN 202010968200 A CN202010968200 A CN 202010968200A CN 111976406 B CN111976406 B CN 111976406B
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- CN
- China
- Prior art keywords
- plate
- shock absorbing
- sleeve
- spring
- absorbing structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000035939 shock Effects 0.000 claims abstract description 31
- 210000001503 joint Anatomy 0.000 claims description 2
- 238000013016 damping Methods 0.000 abstract description 7
- 238000003825 pressing Methods 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/14—Resilient suspensions characterised by arrangement, location or kind of springs having helical, spiral or coil springs only
- B60G11/16—Resilient suspensions characterised by arrangement, location or kind of springs having helical, spiral or coil springs only characterised by means specially adapted for attaching the spring to axle or sprung part of the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2200/00—Indexing codes relating to suspension types
- B60G2200/40—Indexing codes relating to the wheels in the suspensions
- B60G2200/422—Driving wheels or live axles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/10—Type of spring
- B60G2202/12—Wound spring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/10—Mounting of suspension elements
- B60G2204/12—Mounting of springs or dampers
- B60G2204/124—Mounting of coil springs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2300/00—Indexing codes relating to the type of vehicle
- B60G2300/38—Low or lowerable bed vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Dampers (AREA)
Abstract
The present invention provides a shock absorbing structure, comprising: the bracket comprises an upper bottom plate, a lower bottom plate and two side beams respectively connected with the upper bottom plate and the lower bottom plate; the driving assembly comprises a mounting plate, a driving piece and a roller, wherein the driving piece and the roller are respectively arranged on the mounting plate; the elastic component comprises a connecting rod, a sleeve and a spring, the sleeve is arranged on the mounting plate, one end of the connecting rod is connected with the upper bottom plate, and the other end of the connecting rod is sleeved on the sleeve; the spring suit is in the connecting rod, and the first end and the upper plate butt of spring, the second end and the sleeve butt of spring. The damping structure has the advantages of damping and preventing slipping or overturning. The invention further provides the AGV trolley.
Description
Technical Field
The invention relates to the field of transport vehicles, in particular to a shock absorption structure and an AGV.
Background
In the field of modern production and logistics, AGVs (Automated Guided Vehicle, commonly referred to as AGV carts, meaning carts equipped with electromagnetic or optical automatic navigation devices, capable of traveling along a defined navigation path, with safety protection and various transfer functions) have become very common as a means of material transport. However, the existing trolley can smoothly run on a flat road surface, but when the situation of uneven road surface is met, the phenomenon of jolt, skid and even overturning of the AGV trolley can occur in the running process.
In view of the foregoing, there is a need for a new shock absorbing structure and AGV that overcomes or at least alleviates all or part of the above-described drawbacks.
Disclosure of Invention
The invention mainly aims to provide a shock absorption structure and an AGV trolley, and aims to solve the technical problem that the AGV trolley in the prior art can bump or even topple when the road surface is uneven.
In order to achieve the above object, according to one aspect of the present invention, there is provided a shock absorbing structure comprising:
the bracket comprises an upper bottom plate, a lower bottom plate and two side beams respectively connected with the upper bottom plate and the lower bottom plate;
the driving assembly comprises a mounting plate, a driving piece and a roller, wherein the driving piece and the roller are respectively arranged on the mounting plate; and
The elastic assembly comprises a connecting rod, a sleeve and a spring, wherein the sleeve is arranged on the mounting plate, one end of the connecting rod is connected with the upper bottom plate, and the other end of the connecting rod is sleeved on the sleeve; the spring is sleeved on the connecting rod, the first end of the spring is abutted to the upper bottom plate, and the second end of the spring is abutted to the sleeve.
Preferably, the upper bottom plate comprises a pressing plate and a top plate, the top plate is connected with the side beam, the pressing plate is connected with one end of the connecting rod, and the first end of the spring is abutted to the pressing plate.
Preferably, the damping structure further comprises an adjusting screw, the top end of the adjusting screw penetrates through the top plate to be abutted with the pressing plate, and the adjusting screw is in threaded connection with the top plate.
Preferably, the number of elastic components is two.
Preferably, the mounting plate comprises a wheel frame and a side plate, the side plate is arranged between the sleeve and the lower bottom plate, the wheel frame is mounted on the side plate, and the roller is mounted on the wheel frame.
Preferably, the number of the lower bottom plates is two, and the wheel frame is arranged between the two lower bottom plates.
Preferably, the driving piece comprises a body and a transmission shaft in transmission connection with the body, the transmission shaft is connected with the idler wheels, the body and the idler wheels are respectively arranged on two sides of the lower bottom plate, and the transmission shaft is arranged between the two lower bottom plates.
Preferably, the mounting plate further comprises two risers arranged at intervals, and the side plates are arranged between the two risers.
According to another aspect of the present invention, there is also provided an AGV including the shock absorbing structure described above.
Preferably, the AGV trolley further comprises a chassis, wherein the upper bottom plate of the shock-absorbing structure is installed on the chassis, the number of the shock-absorbing structures is two, and the two shock-absorbing structures are respectively arranged on two sides of the chassis.
In the technical scheme of the invention, the damping structure comprises a bracket, wherein the bracket comprises an upper bottom plate, a lower bottom plate and two side beams respectively connected with the upper bottom plate and the lower bottom plate; the driving assembly comprises a mounting plate, a driving piece and a roller, wherein the driving piece and the roller are respectively arranged on the mounting plate; the elastic component comprises a connecting rod, a sleeve and a spring, the sleeve is arranged on the mounting plate, one end of the connecting rod is connected with the upper bottom plate, and the other end of the connecting rod is sleeved on the sleeve; the spring suit is in the connecting rod, and the first end and the upper plate butt of spring, the second end and the sleeve butt of spring. In the scheme, the connecting rod is sleeved in the sleeve, the sleeve can slide along the connecting rod, the sleeve is connected with the mounting plate of the driving assembly, when a road surface is uneven, the roller is jolt to vibrate, at the moment, the sleeve slides along the connecting rod, the two ends of the spring are respectively connected with the sleeve and the upper bottom plate, and the spring can play a role in buffering impact force born by jolt of the roller; at the same time, the spring can be arranged to be initially in a compressed state, and the spring applies a downward force to the sleeve and transmits the downward force to the roller of the driving assembly through the sleeve, so that a grabbing force can be formed, and the shock absorption structure is prevented from slipping or overturning. The invention has the advantages of damping and preventing slipping or overturning.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described below, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained without the inventive effort by a person skilled in the art, in a structure which is shown in accordance with these drawings.
FIG. 1 is a schematic perspective view of a shock absorbing structure according to an embodiment of the present invention;
FIG. 2 is a schematic view of another perspective view of a shock absorbing structure according to an embodiment of the present invention;
FIG. 3 is a front view of a shock absorbing structure according to an embodiment of the present invention;
FIG. 4 is a schematic perspective view of an AGV according to another embodiment of the invention.
Reference numerals illustrate: 1. a shock absorbing structure; 2. a bracket; 21. an upper base plate; 211. a pressing plate; 212. a top plate; 22. a lower base plate; 23. a side beam; 31. a driving member; 32. a roller; 33. a mounting plate; 331. a wheel carrier; 332. a side plate; 333. a riser; 41. a connecting rod; 42. a spring; 43. a sleeve; 5. adjusting a screw; 6. AGV trolley; 61. a chassis.
The achievement of the object, functional features and advantages of the present invention will be further described with reference to the drawings in connection with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" can include at least one such feature, either explicitly or implicitly.
Moreover, the technical solutions of the embodiments of the present invention can be combined with each other, but it is necessary to be based on the fact that those skilled in the art can realize the technical solutions, and when the technical solutions are contradictory or cannot be realized, the technical solutions should be considered that the combination of the technical solutions does not exist, and the combination is not within the scope of protection required by the present invention.
Referring to fig. 1 to 4, the present invention provides a shock absorbing structure comprising:
a bracket 2, the bracket 2 comprising an upper base plate 21, a lower base plate 22 and two side beams 23 respectively connecting the upper base plate 21 and the lower base plate 22;
the driving assembly comprises a mounting plate 33, a driving piece 31 and a roller 32, wherein the driving piece 31 and the roller 32 are arranged on the mounting plate 33, the mounting plate 33 is arranged on the lower bottom plate 22, and the roller 32 is in transmission connection with the driving piece 31; and
The elastic assembly comprises a connecting rod 41, a sleeve 43 and a spring 42, wherein the sleeve 43 is arranged on the mounting plate 33, one end of the connecting rod 41 is connected with the upper bottom plate 21, and the other end of the connecting rod 41 is sleeved on the sleeve 43; the spring 42 is sleeved outside the connecting rod 41, a first end of the spring 42 is abutted against the upper bottom plate 21, and a second end of the spring 42 is abutted against the sleeve 43.
In the above embodiment, the connecting rod 41 is sleeved in the sleeve 43, the sleeve 43 can slide along the connecting rod 41, the sleeve 43 is connected with the mounting plate 33 of the driving assembly, when the road surface is uneven, the roller 32 is jolt and vibrated, at this time, the sleeve 43 slides along the connecting rod 41, two ends of the spring 42 respectively abut against the sleeve 43 and the upper base plate 21, and the spring 42 can play a role in buffering the impact force born by jolt of the roller 32; at the same time, it may be provided that the spring 42 is initially in a compressed state, in which case the spring 42 exerts a downward force on the sleeve 43 and this downward force is transmitted via the sleeve 43 to the wheel 32 of the drive assembly, so that a gripping force is created, which prevents the shock-absorbing structure 1 from slipping or tipping. The driving wheel assembly of the embodiment can float up and down along with the fluctuation of the ground, and the floating process is limited by the buffer spring 42, so that the damping effect is achieved, and the advantages of damping and preventing slipping or overturning are achieved.
Preferably, the upper bottom plate 21 includes a pressing plate 211 and a top plate 212, the top plate 212 is connected to the side beam 23, the pressing plate 211 is connected to one end of the connecting rod 41, and a first end of the spring 42 abuts against the pressing plate 211. The shock-absorbing structure 1 further comprises an adjusting screw 5, the bottom end of the adjusting screw 5 penetrates through the top plate 212 to be in butt joint with the pressing plate 211, and the adjusting screw 5 is in threaded connection with the top plate 212. Specifically, the pressing plate 211 may be slidably installed on the connecting rod 41, and the height of the pressing plate 211 may be adjusted by the action of the adjusting screw 5, so that the compression amount of the spring 42 is adjusted by the pressing plate 211 to adjust the grip of the spring 42 on the driving component (specifically, the roller 32), thereby preventing the shock absorbing structure 1 from slipping or overturning.
Further, the number of elastic members is two. The two elastic components are oppositely arranged at the positions close to the two side beams 23, and the two elastic components are arranged relative to one elastic component, so that the buffering effect of the shock absorption structure 1 can be further improved, and meanwhile, the stability of the structure is improved.
Further, the mounting plate 33 includes a wheel frame 331 and a side plate 332, the side plate 332 is disposed between the sleeve 43 and the lower plate 22, the wheel frame 331 is mounted to the side plate 332, and the roller 32 is mounted to the wheel frame 331. The number of the lower plates 22 is two, and the wheel frame 331 is disposed between the two lower plates 22. The wheel frame 331 can provide support for the installation of the roller 32 and the driving member 31, and thus the design is compact, and the volume of the shock absorbing structure 1 can be reduced.
As a preferred embodiment of the above embodiment, the driving member 31 includes a main body and a driving shaft drivingly connected to the main body, the driving shaft is connected to the roller 32, the main body and the roller 32 are disposed on two sides of the lower base 22, and the driving shaft is disposed between the two lower base 22. This is designed to make the mounting structure more compact and stable, further reducing the volume of the shock absorbing structure 1. The driving member 31 may be a driving motor.
Further, the mounting plate 33 further includes two spaced-apart vertical plates 333, and the side plates 332 are disposed between the two vertical plates 333. Specifically, the upper and lower surfaces of the side plate 332 are respectively abutted against the two vertical plates 333, so that the connection structure of the embodiment is more stable in the vibration and shake process of the roller 32 (the bolt connection mode is easy to loose in the frequent shake process) compared with the bolt connection mode.
According to another aspect of the present invention, the present invention also provides an AGV 6, the AGV 6 including the shock absorbing structure 1 described above. Since the AGV cart 6 includes all the technical solutions of all the embodiments, at least all the beneficial effects of all the technical solutions are provided, and will not be described in detail herein.
Further, the AGV cart 6 further includes a chassis 61, the upper base plate 21 of the shock absorbing structure 1 is mounted on the chassis 61, and the number of the shock absorbing structures 1 is two, and the two shock absorbing structures 1 are respectively disposed on two sides of the chassis 61. Specifically, mounting holes may be provided on the upper base plate 21, and the shock absorbing structure 1 may be mounted in the chassis 61 by screws.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the specification and drawings of the present invention or direct/indirect application in other related technical fields are included in the scope of the present invention.
Claims (8)
1. A shock absorbing structure, comprising: the bracket comprises an upper bottom plate, a lower bottom plate and two side beams respectively connected with the upper bottom plate and the lower bottom plate; the driving assembly comprises a mounting plate, a driving piece and a roller, wherein the driving piece and the roller are respectively arranged on the mounting plate; the elastic assembly comprises a connecting rod, a sleeve and a spring, the sleeve is arranged on the mounting plate, one end of the connecting rod is connected with the upper bottom plate, and the other end of the connecting rod is sleeved on the sleeve; the spring is sleeved on the connecting rod, the first end of the spring is abutted with the upper bottom plate, and the second end of the spring is abutted with the sleeve;
The mounting plate comprises a wheel frame and a side plate, the side plate is arranged between the sleeve and the lower bottom plate, the wheel frame is mounted on the side plate, and the roller is mounted on the wheel frame;
The mounting plate further comprises two vertical plates arranged at intervals, the side plates are arranged between the two vertical plates, and the upper surface and the lower surface of each side plate are respectively in butt joint with the two vertical plates.
2. The shock absorbing structure of claim 1, wherein the upper base plate includes a pressure plate and a top plate, the top plate being connected to the side beam, the pressure plate being connected to one end of the connecting rod, the first end of the spring being in abutment with the pressure plate.
3. The shock absorbing structure of claim 2, further comprising an adjusting screw, wherein a top end of the adjusting screw passes through the top plate to abut against the pressure plate, and wherein the adjusting screw is in threaded connection with the top plate.
4. A shock absorbing structure according to any one of claims 1 to 3, wherein the number of said elastic members is two.
5. The shock absorbing structure as claimed in claim 1, wherein the number of the lower plates is two, and the wheel frame is disposed between the two lower plates.
6. The shock absorbing structure of claim 5, wherein the driving member comprises a body and a driving shaft in driving connection with the body, the driving shaft is connected with the rollers, the body and the rollers are respectively arranged on two sides of the lower base plate, and the driving shaft is arranged between the two lower base plates.
7. An AGV trolley comprising the shock absorbing structure of any one of claims 1-6.
8. The AGV cart of claim 7 further comprising a chassis, wherein the upper floor of the shock absorbing structure is mounted to the chassis, and the number of shock absorbing structures is two, and two shock absorbing structures are disposed on two sides of the chassis, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010968200.1A CN111976406B (en) | 2020-09-15 | 2020-09-15 | Shock-absorbing structure and AGV dolly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010968200.1A CN111976406B (en) | 2020-09-15 | 2020-09-15 | Shock-absorbing structure and AGV dolly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111976406A CN111976406A (en) | 2020-11-24 |
| CN111976406B true CN111976406B (en) | 2024-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010968200.1A Active CN111976406B (en) | 2020-09-15 | 2020-09-15 | Shock-absorbing structure and AGV dolly |
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| CN (1) | CN111976406B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112470671A (en) * | 2020-12-10 | 2021-03-12 | 安徽金丰机械有限公司 | Self-propelled four-wheel-drive garlic harvester |
| CN112609546B (en) * | 2020-12-22 | 2022-11-01 | 彭翠菊 | Rugged road surface steel sheet lays car |
| CN114290344B (en) * | 2022-01-02 | 2024-06-25 | 浙江小远机器人有限公司 | Patrol mechanism |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212242867U (en) * | 2020-09-15 | 2020-12-29 | 湖南中谷信息技术有限公司 | Shock-absorbing structure and AGV dolly |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106004312B (en) * | 2016-06-28 | 2018-09-18 | 苏州斯锐奇机器人有限公司 | The stabilization mobile platform of indoor service robot |
| CN106739904B (en) * | 2016-12-29 | 2023-06-30 | 广州市远能物流自动化设备科技有限公司 | A shock absorbing mechanism for an AGV drive unit |
| CN207389354U (en) * | 2017-10-24 | 2018-05-22 | 杭州南江机器人股份有限公司 | A kind of AGV driving devices |
| CN108045189A (en) * | 2017-12-26 | 2018-05-18 | 广东美的智能机器人有限公司 | Automatic guided vehicle |
| CN109018004B (en) * | 2018-07-13 | 2023-09-08 | 深圳市优必选科技有限公司 | Robot and chassis thereof |
| KR102140480B1 (en) * | 2019-10-08 | 2020-08-03 | 주식회사 맥파이온 | Wheel driving device for use of Automated Guided Vehicle |
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2020
- 2020-09-15 CN CN202010968200.1A patent/CN111976406B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212242867U (en) * | 2020-09-15 | 2020-12-29 | 湖南中谷信息技术有限公司 | Shock-absorbing structure and AGV dolly |
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| Publication number | Publication date |
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| CN111976406A (en) | 2020-11-24 |
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