Loading and unloading RGV trolley

By designing a loading and unloading RGV trolley including an RGV walking mechanism, a hoisting mechanism and a limit seat, the problems of the existing loading and unloading trolley equipment being unclear, hydraulic lifting oil leakage and lifting height being unadjustable, and the loading and unloading effect with a streamlined structure, adjustable lifting height and strong applicability are achieved.

CN222684202UActive Publication Date: 2025-03-28CHAINT CORP
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Patent Information

Application Number
CN202421487173.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-27
Publication Date
2025-03-28
Estimated Expiration
2034-06-27

AI Technical Summary

Technical Problem

The existing loading and unloading trolley equipment is not simple in appearance, the hydraulic lifting risks oil leakage, and the lifting height is unadjustable, which cannot meet the loading and unloading needs of different specifications and scenarios.

Method used

A loading and unloading RGV trolley including an RGV walking mechanism, a hoisting mechanism and a limit seat is designed. The hoisting mechanism achieves height adjustability through the lifting table, scissors and hoisting drive components, and the limit seat is used to place items to ensure safety.

Benefits of technology

It realizes a loading and unloading RGV trolley with a simple structure and adjustable lifting height, which is highly applicable, and solves the problems of impossible equipment appearance, hydraulic lifting oil leakage and lifting height that are unadjustable, and meets the loading and unloading needs of different specifications and scenarios.

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Abstract

The utility model relates to the technical field of storage and transportation, in particular to a loading and unloading RGV trolley which comprises an RGV walking mechanism, a jacking mechanism and a limiting seat. The RGV walking mechanism comprises a walking driving source, a mounting frame and a walking wheel set, and the walking wheel set is mounted on the mounting frame and connected with the walking driving source; the jacking mechanism comprises a lifting table, a shear fork component and a jacking driving component, and the lifting table is arranged on the mounting frame through the shear fork component; the lifting table is driven by stretching and retracting of the jacking driving component to ascend and descend. And the limiting seat is arranged on the lifting platform and is used for placing articles. The loading and unloading RGV trolley is simple in overall structure, the jacking mechanism comprises the lifting table, the shear fork component and the jacking driving component, the jacking height can be randomly adjusted according to working conditions, the loading and unloading requirements of different specifications and different scenes are met, and applicability is high.
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Description

Technical Field

[0001] The utility model relates to the technical field of warehousing and transportation, in particular to a loading and unloading RGV trolley. Background Art

[0002] In the existing process of loading and unloading items, the loading and unloading trolleys are all short-distance transport trolleys, and the loading and unloading trolleys are designed with hydraulic stations. The defects of the existing technology are: the trolley moves with the hydraulic station, and the appearance of the equipment cannot be simple and beautiful; there is a risk of oil leakage in hydraulic lifting, and oil is easily accumulated on the surface of the equipment; there are only two positions for lifting and the initial position and the highest position, and it is impossible to stop at multiple height positions according to the different diameters of the items.

[0003] In summary, there is an urgent need for a loading and unloading RGV trolley with a streamlined structure, adjustable lifting height and strong applicability to solve the problems existing in the prior art. Utility Model Content

[0004] The utility model aims to provide a loading and unloading RGV trolley with a simple structure, adjustable lifting height and strong applicability. The specific technical scheme is as follows:

[0005] A loading and unloading RGV trolley, comprising an RGV walking mechanism, a lifting mechanism and a limit seat;

[0006] The RGV walking mechanism comprises a walking drive source, a mounting frame and a walking wheel set, wherein the walking wheel set is mounted on the mounting frame and connected to the walking drive source;

[0007] The lifting mechanism includes a lifting platform, a scissor-type component and a lifting drive component. The lifting platform is arranged on the mounting frame through the scissor-type component. The upper end of the lifting drive component is connected to the lifting platform, and the lower end of the lifting drive component is connected to the mounting frame. The lifting platform is driven to move up and down by the extension and retraction of the lifting drive component.

[0008] The limiting seat is arranged on the lifting platform and is used for placing articles.

[0009] Preferably, the travel wheel group includes a main drive wheel and a driven wheel; the main drive wheel is connected to the travel drive source, and the main drive wheel is arranged at the front end of the installation frame; the driven wheel is arranged at the end of the installation frame.

[0010] Preferably, the RGV traveling mechanism further comprises a guide wheel set, which is arranged on the mounting frame and in rolling contact with a traveling track matching the loading and unloading RGV trolley.

[0011] Preferably, the guide wheel group includes two groups of guide wheel units located on both sides of the walking track; the distance between the two groups of guide wheel units is adjustable.

[0012] Preferably, the RGV traveling mechanism further includes a rail hook that matches the traveling track and is used to prevent derailment.

[0013] Preferably, the jacking mechanism further comprises a jacking base arranged on the mounting frame, and the lifting platform is arranged on the jacking base through the scissors-type component.

[0014] Preferably, the scissor-fork component comprises two groups of scissor-fork single pieces arranged in parallel along the length or width direction of the article, and the scissor-fork single piece is an X-shaped structure formed by hinged middle parts of two connecting rods.

[0015] Preferably, the jacking drive component includes a jacking drive source and a rigid chain, the lower end of the rigid chain is connected to the jacking drive source, and the upper end of the rigid chain is connected to the lifting platform.

[0016] Preferably, it also includes a limit switch or a proximity switch arranged on at least one of the jacking base, the lifting platform, the scissors component, the jacking drive component and the limit seat.

[0017] Preferably, the limiting seat comprises a V-shaped saddle.

[0018] The application of the technical solution of the utility model has the following beneficial effects:

[0019] (1) The loading and unloading RGV trolley of the utility model includes an RGV walking mechanism, a lifting mechanism and a limit seat; the RGV walking mechanism includes a walking drive source, a mounting frame and a walking wheel group, the walking wheel group is installed on the mounting frame and connected to the walking drive source; the lifting mechanism includes a lifting platform, a scissors-fork component and a lifting drive component, the lifting platform is arranged on the mounting frame through the scissors-fork component; the upper end of the lifting drive component is connected to the lifting platform, and the lower end of the lifting drive component is connected to the mounting frame, and the lifting and lowering movement of the lifting platform is driven by the extension and retraction of the lifting drive component; the limit seat is arranged on the lifting platform for placing items. The overall structure is simple, the lifting mechanism includes a lifting platform, a scissors-fork component and a lifting drive component, and the lifting height can be randomly adjusted according to the working conditions to meet the loading and unloading requirements of different specifications and different scenes, and it has strong applicability.

[0020] (2) The walking wheel group described in the utility model includes a main driving wheel and a driven wheel; the main driving wheel is connected to the walking driving source, and the main driving wheel is arranged at the front end of the mounting frame; the driven wheel is arranged at the end of the mounting frame. The driving source provides power to drive the walking wheel to rotate, so that the trolley can move, and the driven wheel follows the main driving wheel to move freely. Different numbers of walking wheel groups can be set according to the size of the RGV trolley, and the maximum speed can reach 3m / s. It can move slowly at a short distance or move at a high speed at a long distance to meet different needs. The RGV walking mechanism also includes a guide wheel group, which is arranged on the mounting frame and rolls in contact with the walking track that matches the loading and unloading RGV trolley, which can not only play a guiding role, but also reduce friction loss. The guide wheel group includes two sets of guide wheel single pieces located on both sides of the walking track; the spacing between the two sets of guide wheel single pieces is adjustable. The RGV walking mechanism also includes a rail hook that matches the walking track and is used to prevent derailment, so as to prevent the trolley from abnormally jumping off the track surface and jumping out of the track, thereby ensuring the stability and safety of walking.

[0021] (3) The lifting mechanism described in the utility model also includes a lifting base arranged on the mounting frame. The lifting platform is arranged on the lifting base through the scissors-fork component, which can not only improve the structural strength of the entire trolley, but also facilitate the installation of the scissors-fork component and the lifting drive component. The scissors-fork component includes two groups of scissors-fork single pieces arranged in parallel along the length or width direction of the article. The scissors-fork single pieces are X-shaped structures formed by hinged middle parts of two connecting rods. The structure is simple, which can realize arbitrary adjustment of height and ensure the stability of lifting. The lifting drive component includes a lifting drive source and a rigid chain. The lower end of the rigid chain is connected to the lifting drive source, and the upper end of the rigid chain is connected to the lifting platform. It is mechanically driven, simple and compact in structure, easy to maintain, and has no risk of oil leakage and environmental pollution.

[0022] (4) The utility model also includes a limit switch or proximity switch arranged on at least one of the lifting platform, the scissors-type component, the jacking drive component and the limit seat, which can accurately control the lifting position; the limit seat includes a V-shaped saddle, which is composed of two side oblique supports. After the objects are placed on it, they are tangent to the inclined surfaces on both sides, preventing the objects from shaking or rolling out of the equipment to become a source of danger, thereby improving safety.

[0023] In addition to the above-described purposes, features and advantages, the present invention has other purposes, features and advantages. The present invention will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The drawings constituting a part of this application are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0025] Figure 1 Schematic diagram of the state of the loading and unloading RGV trolley in the embodiment when in use (the double arrow P is the moving direction);

[0026] Figure 2 yes Figure 1 Another angle diagram of the RGV trolley transporting items during loading and unloading;

[0027] Figure 3 yes Figure 1 Structural diagram of the middle lifting mechanism;

[0028] Figure 4 yes Figure 1 Schematic diagram of the structure of the RGV walking mechanism;

[0029] Among them, 1. RGV walking mechanism, 1.1. walking drive source, 1.2. installation frame, 1.3. walking wheel group, 1.3.1. main driving wheel, 1.3.2. driven wheel, 1.4. guide wheel group, 1.5. rail hook; 2. lifting mechanism, 2.1. lifting platform, 2.2. scissors-type components, 2.3. lifting drive components, 2.3.1. lifting drive source, 2.3.2. rigid chain, 2.4. lifting base, 2.5. limit switch; 3. limit seat; 4. walking track; 5. PF line; 6. objects. DETAILED DESCRIPTION

[0030] The embodiments of the present invention are described in detail below with reference to the accompanying drawings. However, the present invention can be implemented in many different ways as defined and covered by the claims.

[0031] Example:

[0032] See also Figure 1-4 , a loading and unloading RGV trolley, used for loading and unloading of articles in the field of storage and transportation technology, especially for loading and unloading of rolled articles such as wire coils. The loading and unloading RGV trolley includes an RGV walking mechanism 1, a lifting mechanism 2 and a limit seat 3, the details of which are as follows:

[0033] The RGV travel mechanism 1 includes a travel drive source 1.1, a mounting frame 1.2 and a travel wheel set 1.3, see Figure 1 and Figure 4, the walking wheel group 1.3 is installed on the installation frame 1.2 and connected to the walking drive source 1.1. In this embodiment, the walking wheel group 1.3 includes two groups arranged in parallel, and the walking wheel group includes a main driving wheel 1.3.1 and a driven wheel 1.3.2; the main driving wheel 1.3.1 is connected to the walking drive source 1.1, and the main driving wheel 1.3.1 is arranged at the front end of the installation frame 1.2; the driven wheel 1.3.2 is arranged at the end of the installation frame 1.2. The driving source provides power to drive the walking wheel to rotate and realize the movement of the trolley. Different numbers of walking wheel groups can be set according to the size of the RGV trolley. The maximum speed can reach 3m / s. It can move slowly over short distances or move at high speed over long distances to meet different needs; the driven wheel has no power input and can follow the movement freely.

[0034] In this embodiment, the RGV travel mechanism 1 further includes a guide wheel set 1.4, which is arranged on the mounting frame 1.2 and in rolling contact with the travel track matching the loading and unloading RGV trolley. The guide wheel set 1.4 includes two sets of guide wheel single pieces located on both sides of the travel track; the spacing between the two sets of guide wheel single pieces is adjustable. The RGV travel mechanism 1 further includes a rail hook 1.5 matching the travel track and used to prevent derailment. Figure 4 Two groups are arranged on each side of the middle edge mounting frame 1.2.

[0035] The lifting mechanism 2 includes a lifting platform 2.1, a scissor-type component 2.2, a lifting drive component 2.3 and a lifting base 2.4, see Figure 2 and Figure 3 The jacking base 2.4 is arranged on the mounting frame 1.2; the lifting platform 2.1 is arranged on the jacking base 2.4 through the scissor component 2.2; the upper end of the jacking drive component 2.3 is connected to the bottom of the lifting platform 2.1, and the lower end of the jacking drive component 2.3 is connected to the upper part of the jacking base 2.4, and the lifting platform is driven to move up and down by the extension and retraction of the jacking drive component 2.3.

[0036] In this embodiment, the scissors-fork component 2.2 includes two groups of scissors-fork single pieces arranged in parallel along the length or width direction of the article, and the scissors-fork single pieces are X-shaped structures formed by hinged middle parts of two connecting rods.

[0037] In this embodiment, the jacking drive component 2.3 includes a jacking drive source 2.3.1 and a rigid chain 2.3.2, the lower end of the rigid chain 2.3.2 is connected to the jacking drive source 2.3.1, and the upper end of the rigid chain 2.3.2 is connected to the lifting platform 2.1.

[0038] In this embodiment, it also includes a limit switch or a proximity switch arranged on at least one of the jacking base, the lifting platform 2.1, the scissor component 2.2, the jacking drive component 2.3 and the limit seat 3. Figure 3 The figure shows five limit switches arranged on the lifting base 2.4, one limit switch is used to limit the highest position of the scissors fork component rising, one limit switch is used to limit the lowest position of the scissors fork component descending, and the remaining three are used to limit the three different height positions of the scissors fork component in the process of rising from the lowest position to the highest position, which has strong applicability.

[0039] The limit seat 3 is arranged on the lifting platform 2.1 and is used to place items. In this embodiment, the limit seat 3 includes a V-shaped saddle, which is composed of two oblique supports. After the items are placed on it, they are tangent to the inclined surfaces on both sides, preventing the items from shaking or rolling out of the equipment to become a source of danger, thereby improving safety.

[0040] The loading and unloading RGV trolley of this embodiment is applied as follows:

[0041] The unloading process is as follows:

[0042] The lifting drive component 2.3 is activated, and the scissor component 2.2 and the lifting platform 2.1 thereon are located at the lowest position;

[0043] The travel drive source 1.1 controls the travel wheel group 1.3 to move, so that the entire loading and unloading RGV trolley moves along the travel track 4 to the PF line 5 where the object 6 is hung ( Figure 1 and Figure 2 2. The wire coil is shown in FIG. 2 ;

[0044] The lifting driving component 2.3 is actuated, the scissor component 2.2 and the lifting platform 2.1 thereon gradually rise to a proper position, and the object 6 falls onto the limit seat; the scissor component 2.2 and the lifting platform 2.1 thereon continue to rise to a proper distance, and the object 6 leaves the PF line 5;

[0045] The travel drive source 1.1 controls the movement of the travel wheel set 1.3, so that the entire loading and unloading RGV trolley and the objects 6 thereon move synchronously along the travel track 4 to the appropriate workstation to complete the unloading.

[0046] The loading process is as follows:

[0047] Place the object 6 on the limiting seat;

[0048] The travel drive source 1.1 controls the movement of the travel wheel set 1.3, so that the entire loading and unloading RGV trolley and the objects 6 on it move synchronously along the travel track 4 to the appropriate workstation;

[0049] The lifting drive component 2.3 is activated, and the scissor component 2.2, the lifting platform 2.1 and the object 6 thereon are lifted to a proper position;

[0050] The travel drive source 1.1 controls the movement of the travel wheel set 1.3, so that the entire loading and unloading RGV trolley moves along the travel track 4 until the items are hung on the PF line 5;

[0051] The lifting driving component 2.3 is activated, the scissor-fork component 2.2 and the lifting platform 2.1 thereon are lowered to a proper position, the article 6 is separated from the limiting seat, and the loading is completed.

[0052] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A loading and unloading RGV trolley, characterized in that: It comprises an RGV walking mechanism (1), a lifting mechanism (2) and a limit seat (3); The RGV walking mechanism (1) comprises a walking drive source (1.1), a mounting frame (1.2) and a walking wheel set (1.3); the walking wheel set (1.3) is mounted on the mounting frame (1.2) and connected to the walking drive source (1.1); The lifting mechanism (2) comprises a lifting platform (2.1), a scissor-type component (2.2) and a lifting drive component (2.3); the lifting platform (2.1) is arranged on the installation frame (1.2) via the scissor-type component (2.2); the upper end of the lifting drive component (2.3) is connected to the lifting platform (2.1), and the lower end of the lifting drive component (2.3) is connected to the installation frame (1.2); the lifting platform is driven to perform lifting movement by the extension and retraction of the lifting drive component (2.3); The limiting seat (3) is arranged on the lifting platform (2.1) and is used for placing objects.

2. The loading and unloading RGV trolley according to claim 1, characterized in that: The walking wheel group (1.3) comprises a main driving wheel (1.3.1) and a driven wheel (1.3.2); the main driving wheel (1.3.1) is connected to the walking driving source (1.1), and the main driving wheel (1.3.1) is arranged at the front end of the installation frame (1.2); the driven wheel (1.3.2) is arranged at the end of the installation frame (1.2).

3. The RGV loading and unloading vehicle according to claim 1, characterized in that: The RGV walking mechanism (1) also comprises a guide wheel set (1.4), wherein the guide wheel set (1.4) is arranged on the mounting frame (1.2) and is in rolling contact with a walking track matching the RGV loading and unloading trolley.

4. The loading and unloading RGV trolley according to claim 3, characterized in that: The guide wheel set (1.4) comprises two sets of guide wheel single pieces located on both sides of the running track; the distance between the two sets of guide wheel single pieces is adjustable.

5. The RGV loading and unloading vehicle according to claim 1, characterized in that: The RGV running mechanism (1) also includes a rail hook (1.5) that matches the running track and is used to prevent derailment.

6. The loading and unloading RGV trolley according to any one of claims 1 to 3, characterized in that: The lifting mechanism (2) further comprises a lifting base (2.4) arranged on the installation frame (1.2), and the lifting platform (2.1) is arranged on the lifting base (2.4) via the scissor-fork component (2.2).

7. The RGV loading and unloading vehicle according to claim 6, characterized in that: The scissor-fork component (2.2) comprises two groups of scissor-fork single pieces arranged in parallel along the length or width direction of the article, and the scissor-fork single pieces are X-shaped structures formed by hinged middle parts of two connecting rods.

8. The RGV loading and unloading vehicle according to claim 7, characterized in that: The lifting drive component (2.3) comprises a lifting drive source (2.3.1) and a rigid chain (2.3.2), the lower end of the rigid chain (2.3.2) is connected to the lifting drive source (2.3.1), and the upper end of the rigid chain (2.3.2) is connected to the lifting platform (2.1).

9. The loading and unloading RGV trolley according to claim 8, characterized in that: It also includes a limit switch or a proximity switch arranged on at least one of the jacking base (2.4), the lifting platform (2.1), the scissor-fork component (2.2), the jacking drive component (2.3) and the limit seat (3).

10. The RGV loading and unloading vehicle according to claim 1, characterized in that: The limiting seat (3) comprises a V-shaped saddle.