Trolley platform stabilizing structure and AGV trolley
By designing a sliding damping structure between the slider and the track on the AGV, the problem of swaying and tipping of the AGV on bumpy roads was solved, and the stable transportation of the cargo plate was achieved.
Patent Information
- Application Number
- CN202520528876.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-25
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-03-25
AI Technical Summary
Existing AGVs are at risk of shaking, swaying, and tipping over when traversing bumpy roads, especially when carrying heavy objects, and particularly when passing through uneven sections such as elevator shafts, where their stability is insufficient.
Design a stabilizing structure for a small vehicle platform, including components such as fixing parts, slide rails, sliders, supports, and buffers. The slider slides on the slide rails, and the damping effect and buffers absorb vibrations to maintain the stability of the load plate.
It effectively reduces the shaking of the cart on bumpy roads, avoids excessive tilting and tipping of the cargo tray, and ensures the smooth transportation of goods.
Smart Images
Figure CN223778467U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to production equipment technical field more specifically, relate to a trolley platform stable structure, furthermore, the utility model still relates to a kind of AGV trolley comprising above-mentioned trolley platform stable structure. BACKGROUND
[0002] With the rapid development of intelligent manufacturing industry, robots are widely used in various fields, wherein the automated guided vehicle (Automated Guided Vehicle, AGV for short) is a kind of mobile robot, which is an important equipment in the logistics system of modern manufacturing enterprises, mainly used for storing and transporting various materials, providing an important guarantee for the flexibility, integration and efficient operation of the system. The wide application of AGV in various fields not only reduces the human error rate, but also can replace humans to perform tasks in dangerous areas. In order to reduce the labor of medical staff and improve work efficiency and safety, the lifting AGV is used for automatic transportation of the sterilization rack of the sterilizer in the intelligent disinfection and supply center of the hospital.
[0003] Currently, the rated load of the lifting AGV in the intelligent disinfection and supply center of the hospital is 400 kg, and the transported goods are heavy, so the stability of the lifting platform of the trolley is more important, especially when the trolley passes through a bumpy route, such as the elevator environment in the workshop, the trolley will produce high-frequency bumping and shaking when transporting heavy goods through the elevator, which may cause the trolley to tip over.
[0004] In summary, how to provide a stable structure with stable platform function is a problem that needs to be solved by the technical personnel in the field at present. UTILITY MODEL CONTENT
[0005] Therefore, the utility model aims to provide a trolley platform stable structure to reduce the bumping and shaking of the trolley when passing through uneven ground, thereby reducing the risk of tipping over.
[0006] Another object of the utility model is to provide an AGV trolley comprising the above-mentioned trolley platform stable structure, so that the platform of the AGV trolley is more stable during transportation and does not deviate.
[0007] In order to achieve the above-mentioned object, the utility model provides the following technical scheme:
[0008] A trolley platform stable structure, the trolley comprises a trolley base and a load plate mounted on the trolley base, the trolley platform stable structure comprises at least two fixing members, two fixing members are mounted on the trolley base, and two sliding channels are mounted on each of the two fixing members, and the two sliding channels are arranged in parallel;
[0009] At least two sliders, the number of the sliders is same as the number of the slides, and the sliders are slidingly installed on the corresponding slides, and the sliders are fixedly connected with the object plate.
[0010] The utility model further, at least two the slide is two, and is located parallel to the object plate length direction center surface two sides respectively, and symmetrically arranged.
[0011] The utility model further, still include:
[0012] Two support parts, two the support part of the fixed connection of corresponding the slider respectively, the support part with the object plate fixed connection.
[0013] The utility model further, still include:
[0014] Connecting piece, two the support part fixed connection of two the connecting piece, with two the slider synchronous sliding.
[0015] The utility model further, the preset cooperation gap is left between the slider and slide.
[0016] The utility model further, still include:
[0017] Upper limit piece, the upper limit piece is installed on the fixed part, is used to prevent the slider with the slide and separates.
[0018] The utility model further, still include:
[0019] Lower limit piece, the lower limit piece is installed on the fixed part, is used to prevent the slider with the slide and separates, and the lower limit piece can adjust the height of the lowest position reached by the slider.
[0020] The utility model further, still include:
[0021] Two buffer parts, two the buffer part is fixed on the trolley base, and is fixedly connected with corresponding the slider respectively.
[0022] The trolley platform stabilizing structure provided by the utility model is characterized in that when in use, the stabilizing structure is installed on the trolley, specifically, two fixing members are installed on the trolley base, two slides are respectively installed on the two fixing members and are arranged in parallel, two sliding blocks are slidingly installed on the corresponding slides, that is to say, the two sliding blocks can slide on the slides, the two sliding blocks slide in parallel and the sliding blocks are fixed on the object carrying plate, therefore, when the trolley passes through a bumpy road, the trolley body itself will produce high-frequency body tilting and shaking, thereby driving the object carrying plate to shake, at this time, when the object carrying plate shakes rapidly to one side, the sliding blocks on the other side slide with the slide, the sliding damping is avoided, the object carrying plate is prevented from excessively tilting, the object carrying plate is kept stable, the violent shaking is avoided to cause the goods to move to be inclined or to be tilted and overturned, and the trolley is ensured to be more stable when carrying the goods.
[0023] An AGV trolley comprises the trolley platform stabilizing structure according to any one of the above. BRIEF DESCRIPTION OF DRAWINGS
[0024] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description, obviously, the drawings in the following description are only the embodiments of the utility model, and for the ordinary skilled in the art, other drawings can be obtained according to the provided drawings without creative labor.
[0025] Fig. 1 The structure schematic view of the utility model provided when in use is shown in the figure.
[0026] Fig. 2 The structure schematic view of the stabilizing structure provided by the utility model is shown in the figure.
[0027] Fig. 3 The structure schematic view of the side surface of the stabilizing structure provided by the utility model after installation is shown in the figure.
[0028] Figs. 1-3 In the figure, the reference signs include:
[0029] Trolley base 1, object carrying plate 2, connecting member 3, supporting member 4, slide 5, fixing member 6, sliding block 7. DETAILED DESCRIPTION
[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.
[0031] The utility model discloses a trolley platform stable structure, reduce the jolt of the trolley when passing uneven ground, and further reduce the risk of side tip over.
[0032] Another core of the utility model is to provide an AGV trolley comprising the trolley platform stable structure, so that the platform in the AGV trolley carrying process is more stable and does not deviate.
[0033] Please refer to Figs. 1-2 A trolley platform stable structure, the trolley comprises a trolley base 1 and a load plate 2, the stable structure comprises at least two fixing pieces 6 and at least two sliding blocks 7, two fixing pieces 6 are installed on the trolley base 1, two fixing pieces 6 are provided with sliding ways 5, and the two fixing pieces 6 are arranged in parallel, the number of sliding blocks 7 is same with the number of sliding ways 5, and the sliding blocks 7 are slidingly installed on the corresponding sliding ways 5, and the sliding blocks 7 are fixed to the load plate 2.
[0034] It should be noted that the sliding way 5 is fixed on the fixing piece 6 by bolt or integral molding in the utility model embodiment.
[0035] In addition, the trolley can be a workshop carrying trolley or other trolleys that need to move stably in the utility model embodiment.
[0036] In addition, the load plate 2 is of any shape, for example, circular, square or polygon, and as long as the two sliding blocks 7 are fixedly connected to the load plate 2, preferably, the two sliding blocks 7 are respectively located on the two sides of the gravity center of the load plate 2, which is beneficial to keeping the gravity center of the load plate 2 stable.
[0037] Optionally, in some embodiments, in order to improve the supporting effect on the load plate 2, the stable structure can be provided with multiple groups and be respectively located at different positions of the load plate 2, preferably, the two sides of the gravity center of the load plate 2 are respectively and symmetrically arranged, which is beneficial to keeping the gravity center of the load plate 2 stable and improving the supporting stability of the load plate 2.
[0038] Optionally, in some embodiments, the number of the fixing pieces 6 and the sliding blocks 7 can be selected according to the load weight, when the weight is large, the number can be increased to improve the supporting effect on the load plate 2, preferably, the number of the fixing pieces 6 and the sliding blocks 7 is even and symmetrically arranged on the two sides of the gravity center of the load plate 2.
[0039] Optionally, in some embodiments, in order to improve the carrying capacity of the load plate 2, the load plate 2 is provided with a plurality of cross stiffeners at the bottom, and the sliding blocks 7 are connected with the stiffeners.
[0040] In use, the stable structure is installed on the trolley, specifically, two fixing members 6 are installed on the trolley base 1, and two slides 5 are installed on the two fixing members 6 respectively and arranged in parallel, and two sliding blocks 7 are slidingly installed on the corresponding slides 5, that is, the two sliding blocks 7 can slide on the slides 5, and the two sliding blocks 7 slide in parallel, and the sliding blocks 7 are fixed on the object carrying plate 2. Therefore, when the trolley passes through a bumpy road, the trolley body itself will produce high-frequency body tilting and shaking, thereby driving the object carrying plate 2 to shake. At this time, when the object carrying plate 2 shakes quickly to one side, the sliding block 7 on the other side slides against the slide 5, avoiding excessive tilting of the object carrying plate 2, achieving stable object carrying plate 2, avoiding the occurrence of goods movement deviation or lateral overturning due to violent shaking, and ensuring more stable trolley carrying goods.
[0041] Optionally, in some embodiments, the at least two slides 5 are two and are located on both sides of the center plane parallel to the length direction of the object carrying plate 2 and are symmetrically arranged, that is, by symmetrically arranging the two slides 5 and the sliding blocks 7, the object carrying plate 2 is uniformly stressed, which is beneficial to improve the stability of the trolley in use.
[0042] Optionally, in some embodiments, two supporting members 4 are further included, and the two supporting members 4 are fixedly connected with the corresponding sliding blocks 7 respectively, and the supporting members 4 are fixedly connected with the object carrying plate 2, that is, the sliding blocks 7 and the object carrying plate 2 are fixedly connected through the supporting members 4, specifically, the supporting members 4 are higher than the top of the sliding blocks 7 by a certain length, so that when the sliding blocks 7 slide to the bottom of the slides 5, the supporting members 4 can effectively support the object carrying plate 2.
[0043] Optionally, in some embodiments, the supporting members 4 and the sliding blocks 7 can be detachably connected through bolts or are fixed by welding or one-piece forming.
[0044] Optionally, in some embodiments, the supporting members 4 are fixedly connected with the object carrying plate 2 through bolts.
[0045] Optionally, in some embodiments, the supporting members 4 are L-shaped structures, the top of the supporting members 4 is fixedly connected with the object carrying plate 2, and the top plane of the supporting members 4 increases the contact area with the object carrying plate 2, thereby improving the fixing firmness.
[0046] Please refer to Fig. 2Further comprising a connecting piece 3, the connecting piece 3 is fixedly connected with the two support pieces 4, so that the two sliders 7 slide synchronously, that is, the two support pieces 4 are fixedly connected through the connecting piece 3, so that the two sliders 7 slide synchronously, and the synchronous sliding of the sliders 7 can increase the stability of the object plate 2, specifically, when the trolley passes through the bumpy road, the body shakes violently, and the object plate 2 shakes along, at this time, the sliders 7 reciprocate on the slide 5, when one side of the slider 7 slides upward, the other side of the slider 7 slides upward under the action of the connecting piece 3, but at this time, the object plate 2 is inclined to the direction of the other side of the slider 7, so that the contact force between the slider 7 and the slide 5 is increased, thereby increasing the damping effect and improving the stability of the object plate 2.
[0047] Optionally, in some embodiments, the connecting piece 3 can be fixedly connected between the two support pieces 4 through bolts.
[0048] In other embodiments, a plurality of connecting holes are arranged on the slider 7 and distributed along the sliding direction of the slider 7, by adjusting the positions of the connecting holes through which the connecting piece 3, the support piece 4 and the slider 7 are connected, the horizontal height adjustment of the two sliders 7 can be realized, so that the two sliders 7 are fixed at different horizontal heights and slide synchronously, which is beneficial to adapt to object plates 2 of different shapes.
[0049] Optionally, in some embodiments, a preset matching gap is left between the slider 7 and the slide 5, which can enable the slider 7 and the slide 5 to slide effectively, and at the same time, can provide a buffer space when a force not parallel to the sliding direction is applied, thereby reducing the wear between the slider 7 and the slide 5 and being beneficial to improve the response to violent lateral shaking.
[0050] Optionally, in some embodiments, an upper limiting piece is further included, the upper limiting piece is installed on the fixed piece 6 and is used to prevent the slider 7 from being separated from the slide 5.
[0051] Optionally, in some embodiments, the upper limiting piece is a plate-shaped structure fixed on the fixed piece 6 through bolts.
[0052] Optionally, in some embodiments, a lower limiting piece is further included, the lower limiting piece is installed on the fixed piece 6 and is used to prevent the slider 7 from being separated from the slide 5, the lower limiting piece can adjust the height of the lowest position reached by the slider 7, that is, the lower limiting piece has a way for the slider 7 to be separated from the slide 5, and also has a way to adjust the lowest position at which the slider 7 can slide, which is beneficial to select the sliding interval of the slider 7 according to the weight of the object carried by the trolley and the use terrain, and at the same time, can adjust the heights of the two sliders 7 to adapt to the object plate 2 to remain horizontal after slight deformation.
[0053] Optionally, in some embodiments, the lower limit member is a bolt, and the fixing member 6 is provided with a threaded hole parallel to the sliding direction of the sliding block 7, so that the bolt can be adjusted in length by rotating the bolt, thereby achieving the adjustment of the lowest height limit of the sliding block 7.
[0054] Optionally, in some embodiments, two buffer members are further included, which are fixed to the trolley base 1 and are respectively fixedly connected with the corresponding sliding blocks 7. The buffer members buffer the sliding of the sliding blocks 7, and when the sliding blocks 7 slide upward, the buffer members can also pull the sliding blocks 7 downward, avoiding excessive upward movement of the sliding, and more favorably keeping the object plate 2 in a stable position.
[0055] In the above embodiments, the buffer member can be a damping buffer spring. Specifically, the damping buffer spring is fixed to the trolley base 1 by a bolt, and the other end is connected with the sliding block 7 by a hinge, so as to ensure that the spring can move freely when compressed and stretched, and absorb vibration by elastic deformation. The beneficial effects of the spring shock absorber mainly lie in its simplicity, reliability, low cost, and the ability to effectively absorb the vibration caused by uneven road surface, thereby maintaining the stability of the platform.
[0056] In other embodiments, a pneumatic stabilizing structure can be used. Specifically, the stability of the platform is adjusted by compressed air. The main components include a gas cylinder, a gas pump and a gas pressure control system. The pneumatic structure has the characteristics of light weight and fast response, and is suitable for trolleys that need to quickly adjust the state of the platform. For example, in the case of frequent lifting or tilting, the pneumatic system can quickly stabilize the object plate 2 by adjusting the air pressure. The pneumatic stabilizing structure has the advantages of simple structure, low cost and low environmental requirements.
[0057] In other embodiments, an electronic stabilizing structure can be used. Specifically, the copper drum is combined with sensors, controllers and actuators to achieve dynamic balance of the object plate 2 through real-time monitoring and feedback. For example, a gyroscope and an acceleration sensor can detect the inclination angle and vibration of the platform, and the controller adjusts the working state of the actuator (such as a motor or a hydraulic cylinder) according to these data, thereby maintaining the stability of the object plate 2. This structure is suitable for AGV trolleys with high precision and high dynamic performance requirements, such as in precision assembly or high-speed transportation.
[0058] In other embodiments, a swing arm suspension structure can be used. Specifically, the stability of the platform is achieved by connecting the swing arms. It mainly consists of swing arms, support shafts and shock absorbers. The swing arms are usually made of high-strength steel and are connected to the trolley base 1 through the support shafts. The shock absorbers are installed between the swing arms and the platform. The double-swing-arm suspension structure is installed with two swing arms on both sides of the chassis, and the object plate 2 is connected to the swing arms through the shock absorbers. When the object plate 2 is subjected to external force, the swing arms can swing around the support shafts to absorb the vibration and maintain the stability of the object plate 2.
[0059] In addition to the above trolley platform stabilizing structure, the utility model also provides a AGV trolley including the trolley platform stabilizing structure disclosed in the above embodiment, and the structure of other parts of the AGV trolley can refer to the prior art, and will not be repeated here.
[0060] That is, the utility model embodiment focuses on: adopt two fixed parts 6, and install in trolley base 1, and install two slideways 5 on two fixed parts 6 respectively, and parallel arrangement, simultaneously, two sliding blocks 7 are slidably installed on corresponding slideway 5, that is, two sliding blocks 7 can slide on slideway 5, and two sliding blocks 7 parallel sliding, and sliding block 7 is fixed to object carrying plate 2, therefore, when trolley passes through bumpy road, the body of trolley itself can produce high frequency body tilting and shaking, thereby driving object carrying plate 2 to shake, when object carrying plate 2 shakes to one side quickly, the sliding damping between the sliding block 7 of other side and slideway 5, avoids object carrying plate 2 to be excessively inclined, realizes that object carrying plate 2 keeps stable, avoids the situation that goods moves and inclines or tilts and falls to appear due to violent shaking, ensures that trolley carries goods more stably.
[0061] The various embodiments in the specification are described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same or similar parts between various embodiments can be referred to each other.
[0062] The trolley platform stabilizing structure and AGV trolley are described in detail above. The principle and implementation mode of the utility model are described by applying specific examples in the paper, and the description of the above embodiments is only used to help understand the method and core idea of the utility model. It should be pointed out that for ordinary skilled persons in the technical field, on the premise of not departing from the principle of the utility model, the utility model can be improved and modified in several ways, and these improvements and modifications also fall within the protection scope of the utility model.
Claims
1. A trolley platform stabilizing structure, said trolley comprising a trolley base (1) and a load plate (2) mounted to the trolley base (1), characterized in that, The trolley platform stabilizing structure comprises: At least two fixing members (6), two fixing members (6) are installed on the trolley base (1), and two sliding ways (5) are installed on the two fixing members (6), and the two sliding ways (5) are arranged in parallel; At least two sliding blocks (7), the number of the sliding blocks (7) is the same as that of the sliding ways (5), the sliding blocks (7) are slidingly installed on the corresponding sliding ways (5), and the sliding blocks (7) are fixedly connected with the object plate (2).
2. The trolley platform stabilizing structure according to claim 1, wherein The number of the sliding ways (5) is two, and the two sliding ways (5) are arranged on both sides of the center of the length direction of the object plate (2) in parallel and symmetrically.
3. The cart platform stabilizing structure of claim 2, wherein, Further comprising: Two supporting members (4), the two supporting members (4) are fixedly connected with the corresponding sliding blocks (7), and the supporting members (4) are fixedly connected with the object plate (2).
4. The cart platform stabilizing structure of claim 3, wherein, Further comprising: A connecting member (3), the connecting member (3) is fixedly connected with the two supporting members (4), so that the two sliding blocks (7) slide synchronously.
5. The cart platform stabilizing structure of claim 4, wherein, A preset matching gap is left between the sliding block (7) and the sliding way (5).
6. The cart platform stabilizing structure of claim 1, wherein, Further comprising: An upper limiting member, the upper limiting member is installed on the fixing member (6) and is used for preventing the sliding block (7) from being separated from the sliding way (5).
7. The cart platform stabilizing structure of claim 6, wherein Further comprising: A lower limiting member, the lower limiting member is installed on the fixing member (6) and is used for preventing the sliding block (7) from being separated from the sliding way (5), and the lower limiting member can adjust the height of the lowest position reached by the sliding block (7).
8. The cart platform stabilizing structure of claim 7, wherein, Further comprising: Two buffer members, the two buffer members are fixed on the trolley base (1) and are fixedly connected with the corresponding sliding blocks (7).
9. An AGV cart, characterized by The trolley platform stabilizing structure comprises the trolley platform stabilizing structure according to any one of claims 1-8.