Seedling tray transfer device
By designing a locking device and rubber casters on the seedling tray transport vehicle, the problem of instability of the seedling tray transport vehicle was solved, realizing stable loading and unloading and efficient transportation, adapting to the diverse needs of seedling sites, and reducing the risk of damage.
Patent Information
- Application Number
- CN202520578952.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-31
AI Technical Summary
The existing seedling tray transport vehicle lacks locking devices, which makes it unstable when loading and unloading seedling trays, increasing the difficulty of operation and the risk of damage.
A seedling tray transfer device with a locking mechanism was designed, including a support plate, a handrail, casters, and a locking device. The transfer frame is stably fixed through a cam structure and a drive device. Combined with rubber casters and a locking device, stability and safety are ensured on various terrains.
It improves loading and unloading efficiency, reduces the possibility of damage to seedling trays and seedlings, adapts to the transportation needs of seedling trays of different sizes, and enhances the versatility and stability of the equipment.
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Figure CN223905065U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a seedling tray transfer device. BACKGROUND
[0002] When planting vegetables, in order to facilitate management, the vegetable seeds are first subjected to seedling treatment, and generally fine nursing is carried out in a greenhouse, and when the seedlings grow to a certain height or reach a certain stage, they are transplanted to a vegetable garden for further growth, so a transfer device with multiple seedling boxes is needed to transport the seedlings.
[0003] Chinese patent publication No. CN216659952U discloses a seedling tray transfer vehicle, which includes a trailer, the trailer includes a vehicle plate, the lower end of the vehicle plate is provided with wheels, one end of the vehicle plate is connected with a handle, the corners of the vehicle plate are provided with vertical columns, multiple cross beams are slidably connected to the vertical columns, multiple supporting rods are connected between cross beams at the same height, and the supporting rods are slidably connected with the cross beams. It can transport multiple layers of seedling trays at a time, each layer can hold multiple seedling trays, greatly improving the transportation quantity of seedling trays, improving transportation efficiency, reducing labor, and the cross beams and supporting rods can be adjusted to transport tomato seedlings of different periods and heights and seedling trays of different sizes, increasing versatility.
[0004] The seedling tray transfer vehicle in the above patent does not have a locking device, and during the loading and unloading of seedling trays, if the transfer vehicle cannot be stably locked, it will be in an unstable state that can move at any time. When the operator places or removes the seedling tray from the vehicle, additional effort is needed to stabilize the transfer vehicle, making it difficult to accurately place the seedling tray in the right position or remove it smoothly, which undoubtedly reduces the loading and unloading efficiency and increases the risk of seedling tray falling or damage during operation. UTILITY MODEL CONTENTS
[0005] The utility model aims to provide a seedling tray transfer device, by setting a locking device, in greenhouses, seedling rooms and other places, the transfer vehicle often needs to be temporarily parked at various positions, with the locking device, even if it is slightly bumped or the ground is slightly inclined, the transfer vehicle can remain stationary; when loading and unloading seedling trays, the staff can focus more on the loading and unloading operation of the seedling trays, without having to worry about controlling the position of the transfer vehicle, which can more accurately place the seedling tray in the right position or remove it smoothly from the vehicle, which not only improves the loading and unloading efficiency, but also reduces the possibility of seedling tray falling or damage during operation.
[0006] To achieve the above purpose, the utility model provides the following technical scheme:
[0007] A seedling tray transfer device, including a transfer frame, the bottom of the transfer frame is fixedly connected with four universal wheels, a support plate is installed between the bottom of the transfer frame and one side universal wheel in cooperation, the support plate extends to the outside of one side of the transfer frame, handrails are arranged on both sides of the support plate and are fixedly connected with the support plate, a recess is formed in the middle part of the support plate, and a locking device is arranged in the recess.
[0008] As a further technical scheme of the present application, the locking device comprises a support frame, the support frame is fixedly connected with the support plate, a bottom plate is arranged at the bottom of the support frame and is fixedly connected with the support frame, and the bottom plate is fixedly connected with the bottom of the support plate; the support frame is connected with a cam structure in cooperation, a driving device is installed on the top of the cam structure in cooperation, and a rocker is installed on one side of the driving device in cooperation.
[0009] As a further technical scheme of the present application, the bottom of the cam structure is provided with a lifting rod, a spring is installed on the surface of the rod body of the lifting rod in cooperation, and a spring baffle is installed on the top of the spring in cooperation, the spring baffle is fixedly connected with the lifting rod.
[0010] As a further technical scheme of the present application, the bottom of the lifting rod is provided with a base and is fixedly connected with the bottom plate, one side of the base extends to the outside of the base, and a support leg is installed on the base through a shaft pin in cooperation; a recess capable of supporting the support leg to be vertically supported is arranged at one end of the support leg of the base, and a hole is formed in the bottom of the base, the hole is arranged vertically with the lifting rod, and the bottom end of the spring is fixedly connected with the bracket on one side of the support leg.
[0011] As a further technical scheme of the present application, the lifting rod is movably connected with the bracket on one side of the support leg, and the bottom of the lifting rod extends into the hole formed in the bottom of the base.
[0012] As a further technical scheme of the present application, the universal wheel is made of rubber material, and a locking device is installed on the universal wheel in cooperation.
[0013] As a further technical scheme of the present application, the transfer frame is provided with three layers and is made of light-weight high-strength material.
[0014] As a further technical scheme of the present application, the driving device comprises but is not limited to a gear transmission mechanism, a connecting rod mechanism or a screw rod mechanism, and is movably connected with the rocker.
[0015] Compared with the prior art, the present application has the following advantages:
[0016] The locking device on the universal wheel can effectively limit the rotation and movement of the universal wheel when the transfer frame needs to be fixed, prevents the transfer frame from displacement due to accidental stress when the loading and unloading seedling tray and the transfer vehicle are parked on a slope or in an uneven site environment, ensures that the seedling tray is in a stable state, avoids damage of the seedling tray due to shaking or falling, and guarantees the safety of the seedling tray and seedlings;
[0017] The utility model discloses, whether it is the flat ground of seedling field or the road with certain gradient, locking device can play the key role, when transfer frame is in the parking state, through the operation locking device, can make support leg firmly support on the ground, combine locking device on the universal wheel simultaneously, form multiple fixed, avoided because accidental movement leads to seedling tray mutual collision, falling and cause seedling damage and seedling tray damage;
[0018] The utility model discloses, transfer frame is provided with three layers structure, can transport multiple seedling tray simultaneously, increased single transportation capacity, improved transportation efficiency, and because its structure does not have too much limit to the size of seedling tray, can adapt to different specifications size's seedling tray place, whether it is the seedling tray of conventional size or larger or smaller size's special seedling tray, can be reasonably placed on the transfer frame, the unified transfer of various seedling tray in different seedling projects or production link is facilitated, the trouble of needing to replace the transfer equipment due to the difference of seedling tray specifications is reduced, and the versatility of equipment is improved. ACCURACY
[0019] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.
[0020] Figure 2 It is the front view of the utility model. Figure 1
[0021] Figure 3 It is another perspective three-dimensional structure schematic diagram of the utility model. Figure 1
[0022] Figure 4 It is the local structure enlarged diagram of the utility model. Figure 3
[0023] Figure 5 It is the plan view of the utility model. Figure 1
[0024] Figure 6 It is the right view of the utility model. Figure 1
[0025] In the drawing: 1-transfer frame, 2-universal wheel, 3-supporting plate, 4-locking device, 5-handrail rod;
[0026] 21 - locking device, 41 - rocker; 42 - support leg, 43 - spring, 44 - cam structure, 45 - support frame, 46 - lifting rod, 47 - spring baffle, 48 - drive device, 49 - bottom plate, 410 - base. DETAILED DESCRIPTION
[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0028] Please refer to Figures 1-6 In the embodiments of the utility model, four universal wheels 2 are fixedly connected to the bottom of the transfer frame 1, a support plate 3 is installed between one side universal wheel 2 and the bottom of the transfer frame 1, the support plate 3 extends to the outside of one side of the transfer frame 1, handrails 5 are arranged on both sides of the support plate 3 and are fixedly connected with the support plate 3, a recess is formed in the middle part of the support plate 3, and a locking device 4 is arranged in the recess.
[0029] By adopting the above technical solutions, the transfer frame 1 can be flexibly moved by means of the four universal wheels 2, can conveniently shuttle in various complex vegetable seedling cultivation sites, easily change the direction of travel, and conveniently transfer the seedling trays to the designated place. The support plate 3 on one side and the handrails 5 connected therewith provide a comfortable and ergonomic operating position for the operator, so that the operator can better exert force and accurately control the direction when pushing or pulling the transfer frame 1, effectively reduces the feeling of fatigue, and improves the work efficiency. The locking device 4 in the recess of the support plate 3 plays a key role when the transfer frame 1 needs to be parked, can ensure that the transfer frame 1 is stably fixed at the original position, avoids displacement of the transfer frame 1 due to accidental collision, ground inclination or other external factors, thereby ensuring the safety of the seedling trays during parking, preventing the seedling trays from colliding with each other, sliding and causing damage to the seedling trays and the seedlings therein. Whether in a flat indoor site or an outdoor environment with a certain slope, the seedling tray transfer operation can be reliably supported and protected, greatly improving the practicality and stability of the entire seedling tray transfer device, so that it can better adapt to the diversified transfer requirements and complex operation environment of the vegetable seedling trays.
[0030] In the embodiment, the locking device 4 comprises a support frame 45 fixedly connected with the support plate 3, the bottom of the support frame 45 is provided with a bottom plate 49 fixedly connected therewith, and the bottom plate 49 is fixedly connected with the bottom of the support plate 3; the support frame 45 is in matching connection with a cam structure 44, the top of the cam structure 44 is in matching installation with a driving device 48, and one side of the driving device 48 is in matching installation with a rocker 41.
[0031] By adopting the above technical scheme, the support frame 45 serves as an important support structure of the whole locking device 4, and is stably connected with the support plate 3 and the bottom plate 49, thereby providing a solid and reliable installation basis for other components of the locking device 4; the cam structure 44 is provided to make the realization of the locking function have a clever mechanical movement characteristic, and is in matching connection with the support frame 45 and can be driven by the driving device 48 to change accordingly; the driving device 48 serves as a key link for power transmission, and can convert the operation action of the rocker 41 into effective movement of the cam structure 44, so that the operator only needs to simply operate the rocker 41 to conveniently control the working state of the locking device 4.
[0032] In the embodiment, the bottom of the cam structure 44 is provided with a lifting rod 46, the rod surface of the lifting rod 46 is in matching installation with a spring 43, and the top of the spring 43 is in matching installation with a spring baffle 47 fixedly connected with the lifting rod 46.
[0033] By adopting the above technical scheme, the lifting rod 46 plays a key transmission and execution role in the whole locking device 4, and is matched with the cam structure 44 to receive the movement of the cam structure 44 under the driving of the driving device 48 and the operation of the rocker 41, and convert the movement into corresponding linear lifting action, thereby further driving other components associated therewith to work cooperatively and realize effective triggering and release of the locking function; during the locking operation, when the lifting rod 46 is pressed down or performs other actions under the action of the cam structure 44, the spring 43 can play a buffering role to avoid large impact force caused by rigid contact between components, reduce component wear, prolong the service life of each component, make the locking action more stable and smooth, and reduce the adverse effects of sudden force on the whole device structure; similarly, during the release operation, the spring 43 can assist the lifting rod 46 to reset by virtue of the elastic restoring force of the spring 43, thereby ensuring that the relevant components can quickly and accurately return to the initial state, preparing for the next locking operation, and improving the response speed and operation efficiency of the whole locking device 4.
[0034] In the embodiment, the bottom of the lifting rod 46 is provided with a base 410, which is fixedly connected with the bottom plate 49, one side of the base 410 extends to the outside of the base 410, and the base 410 is installed with the supporting leg 42 through shaft pin cooperation; the base 410 is provided with a groove capable of supporting the vertical support of the supporting leg 42 at one end of the supporting leg 42, and the bottom of the base 410 is provided with a hole, which is vertically arranged with the lifting rod 46, and the bottom end of the spring 43 is fixedly connected with the bracket on one side of the supporting leg 42.
[0035] By adopting the above technical scheme, the base 410 is an important basic component of the entire locking device, which is fixedly connected with the bottom plate 49, further enhancing the stability of the locking device 4 on the transfer frame 1, and providing a reliable installation support for other related components; the groove capable of supporting the vertical support of the supporting leg 42 arranged on the base 410 is a key detail to realize the locking function, when it is necessary to lock the transfer frame 1, in the process of the linear motion of the lifting rod 46 driven by the cam structure and other components, through a series of transmission and linkage, the supporting leg 42 can rotate around the shaft pin and finally be clamped into the groove, realizing the stable state of vertical support, so as to be in close contact with the ground, providing stable support for the transfer frame, effectively preventing the transfer frame from moving under various working conditions, and ensuring the safety and stability of the seedling tray transfer device when parking.
[0036] In the embodiment, the lifting rod 46 is movably connected with the bracket on one side of the supporting leg 42, and the bottom of the lifting rod 46 extends into the hole provided at the bottom of the base 410.
[0037] By adopting the above technical scheme, the lifting rod 46 and the bracket on one side of the supporting leg 42 are movably connected, establishing a flexible linkage relationship between them; this movable connection enables the lifting rod 46 to effectively transmit its motion to the supporting leg 42 when it moves up and down, driving the supporting leg 42 to make a corresponding rotating action around the shaft pin, thereby realizing the flexible switching of the supporting leg 42 between the retracted and expanded states, and further achieving the function of locking and unlocking the transfer frame.
[0038] In the embodiment, the universal wheel 2 is made of rubber material, and the locking device 21 is installed on the universal wheel 2.
[0039] By adopting the above technical scheme, the universal wheel 2 made of rubber material has many advantages. The rubber material itself has good elasticity, which can effectively buffer the vibration from the ground during the movement of the transfer frame carrying the seedling tray, reduce the damage to the seedling tray and the seedlings in it caused by bumping, and ensure that the seedlings can be transferred in a relatively stable state. The locking device 21 cooperatively installed on the universal wheel 2 further improves the stability and safety of the whole transfer frame.
[0040] In this embodiment, the transfer frame 1 is provided with three layers and is made of lightweight high-strength material.
[0041] By adopting the above technical scheme, the transfer frame 1 is provided with a three-layer structure, which greatly improves its space utilization and can carry more seedling trays at a time for transfer, significantly improving the transfer efficiency of the seedling tray. The multi-layer structure design can reduce the number of transfers, save manpower, material resources and time cost, and help the whole production process to be more efficient and orderly.
[0042] In this embodiment, the driving device 48 includes but is not limited to a gear transmission mechanism, a connecting rod mechanism or a screw mechanism, and is cooperatively connected with the rocker 41.
[0043] By adopting the above technical scheme, the driving device 48 is designed to include various forms such as gear transmission mechanism, connecting rod mechanism or screw mechanism, which gives it high flexibility and adaptability. Moreover, the driving device 48 is cooperatively connected with the rocker 41 for rotation, providing an intuitive and convenient operation mode for the operator. The operator only needs to simply shake the rocker 41, which can convert this operation action into corresponding mechanical movement through the driving device 48, trigger the locking device to work, and realize the locking or unlocking of the transfer frame.
[0044] The working principle of the utility model is: the transfer frame 1 can realize flexible movement by the help of four universal wheels 2, can shuttle conveniently in various complex vegetable seedling operation sites, change the direction of travel easily, the support plate 3 on one side and the handrail rod 5 connected with it provide comfortable and ergonomic operating position for the operator, the operator can force better and control the direction accurately when pushing or pulling the transfer frame 1, effectively reduce the operation fatigue, improve the work efficiency;And the locking device 4 in the recess of the support plate 3 plays a key role when the transfer frame 1 needs to be parked, can ensure that the transfer frame 1 is stably fixed in the original place, avoid the displacement of the transfer frame 1 due to accidental collision, ground inclination or other external factors, thereby guarantee the safety of the seedling tray during the parking process, prevent the seedling tray from colliding, sliding and causing damage to the seedling tray and the damage to the seedlings in it, whether in the flat indoor site or the outdoor environment with a certain slope, can provide reliable support and protection for the seedling tray transfer operation, greatly improve the practicability and stability of the whole seedling tray transfer device, make it better adapt to the diversified transfer demand and complex operation environment of the vegetable seedling tray;
[0045] The universal wheel 2 of rubber material has many advantages. The rubber material itself has good elasticity, which can effectively buffer the vibration from the ground during the movement of the transfer frame carrying the seedling tray, reduce the damage to the seedling tray and the seedlings in it caused by bumping, and ensure that the seedlings can be transferred in a relatively stable state. The locking device 21 matched and installed on the universal wheel 2 further improves the stability and safety of the transfer frame as a whole.
[0046] The transfer frame 1 is provided with a three-layer structure, which greatly improves the space utilization rate, can carry more seedling trays at a time for transfer, significantly improves the transfer efficiency of the seedling tray, and the multi-layer structure design can reduce the transfer frequency, save manpower, material resources and time cost, and help the whole production process to be more efficient and orderly.
[0047] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.
[0048] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature or implementation described herein. The specification can include implicit combinations of explicitly mentioned features and / or implicit combinations of implicitly mentioned features. Such combinations are also expressly included within the scope of the specification and an equivalent scope appropriate to each element. Such combinations are only expressly excluded where it is clear that the combination with the explicitly recited combination would not work, or where the disclosure explicitly teaches away from the combination.
Claims
1. A tray transfer device, characterized by: Including the transport frame (1), the bottom of the transport frame (1) is fixedly connected with four universal wheels (2), a side universal wheel (2) and the bottom of the transport frame (1) are cooperatively installed with a support plate (3), the support plate (3) extends to the outside of one side of the transport frame (1), the support plate (3) is provided with a handrail rod (5) on both sides and is fixedly connected with the support plate (3), and the support plate (3) is provided with a recess in the middle part, and the recess is provided with a locking device (4).
2. The nursery tray transfer device of claim 1, wherein: The locking device (4) comprises a support frame (45), the support frame (45) is fixedly connected with the support plate (3), the bottom of the support frame (45) is provided with a bottom plate (49) and is fixedly connected with the same, and the bottom plate (49) is fixedly connected with the bottom of the support plate (3); the support frame (45) is cooperatively connected with a cam structure (44), the top of the cam structure (44) is cooperatively installed with a driving device (48), and one side of the driving device (48) is cooperatively installed with a rocker (41).
3. The nursery tray transfer device of claim 2, wherein: The bottom of the cam structure (44) is provided with a lifting rod (46), the rod body surface of the lifting rod (46) is cooperatively installed with a spring (43), the top of the spring (43) is cooperatively installed with a spring baffle (47), and the spring baffle (47) is fixedly connected with the lifting rod (46).
4. The nursery tray transfer device of claim 3, wherein: The bottom of the lifting rod (46) is provided with a base (410) and is fixedly connected with the bottom plate (49), one side of the base (410) extends to the outside of the base (410), and the base (410) is cooperatively installed with a support leg (42) through a shaft pin; the base (410) is provided with a recess capable of supporting the vertical support of the support leg (42) at one end of the support leg (42), and the bottom of the base (410) is provided with a hole, the hole is vertically arranged with the lifting rod (46), and the bottom end of the spring (43) is fixedly connected with the bracket on one side of the support leg (42).
5. The nursery tray transfer device of claim 3, wherein: The lifting rod (46) is movably connected with the bracket on one side of the support leg (42), and the bottom of the lifting rod (46) extends into the hole formed in the bottom of the base (410).
6. The nursery tray transfer device of claim 1, wherein: The universal wheel (2) is made of rubber material, and the locking device (21) is cooperatively installed on the universal wheel (2).
7. The nursery tray transfer device of claim 1, wherein: The transport frame (1) is provided with three layers and is made of light weight and high strength material.
8. The nursery tray transfer device of claim 2, wherein: The driving device (48) comprises but is not limited to a gear transmission mechanism, a connecting rod mechanism or a screw mechanism, and is cooperatively rotatably connected with the rocker (41). The driving device (48) comprises but is not limited to a gear transmission mechanism, a connecting rod mechanism or a screw mechanism, and is cooperatively rotatably connected with the rocker (41).
Citation Information
Patent Citations
Seedling tray transfer trolley
CN216659952U