Light electric mini-car translation frame
Patent Information
- Application Number
- CN202522210431.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-20
- Publication Date
- 2026-10-13
- Estimated Expiration
- 2035-10-20
AI Technical Summary
[0003]目前常见的技术方案为仅大车平移四绳上架或者八绳上架形式，前者仅具备大车方向的移动，后者只能适用于八绳的缠绕机构，结构较为复杂的同时，无法在现有的四绳缠绕形式的起重机上进行升级改造
[0020]较佳的，所述滑轮箱上的所述电动推杆的前端通过销轴分别与对应的所述滑轮箱相连，所述电动推杆的前端后端设有浮动支座，所述浮动支座通过回转轴与所述主结构的侧部相连。本实用新型所提供的一种轻型电动大小车平移上架，配套在防摇要求不高的场桥，特别适用于传统的四绳场桥的项目改造上，以电动推杆为平移驱动元件，采用工字梁结构，通过在主梁上运用厚薄板对接等工艺，简化结构，使其能够实现在兼具大小车平移功能的前提下，仍具有较低的总体高度和自重。
Smart Images
Figure CN224848822U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to container crane technology, and more specifically, to a lightweight electric trolley for horizontal transfer and loading. Background Technology
[0002] When operating container cranes in a yard, it is difficult for the spreaders and the upper rack under the crane to accurately reach the intended working position in one operation. In order to facilitate the driver to make fine adjustments to the container, it is required that the upper rack be equipped with a translation function in the direction of the trolley and the large trolley.
[0003] Currently, common technical solutions involve either four-rope or eight-rope mounting with only the trolley moving horizontally. The former only allows for movement in the trolley direction, while the latter is only suitable for eight-rope winding mechanisms. Both solutions are structurally complex and cannot be upgraded or modified onto existing four-rope winding cranes. Furthermore, both solutions use box-girder structures for the main beam, resulting in a relatively large overall product weight and high energy consumption. Utility Model Content
[0004] To address the shortcomings of existing technologies, the purpose of this utility model is to provide a lightweight electric trolley for lateral movement and mounting. It uses an electric push rod as the lateral movement driving element and adopts an I-beam structure. By using processes such as joining thick and thin plates on the main beam, the structure is simplified, enabling it to achieve both trolley and large trolley lateral movement functions while maintaining a low overall height and weight.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] A lightweight electric trolley for lateral transfer and mounting includes a main structure, a pulley box, a mobile frame, an electrical system, a cable storage frame, an electric push rod, and a pivot mechanism.
[0007] The main structure is made of I-beams;
[0008] The pulley boxes are two in number, symmetrically located at both ends of the main structure.
[0009] The movable structure is mounted below the main structure;
[0010] The electrical system and the cable storage frame are both located on the upper surface of the main structure;
[0011] The transfer pin mechanism has two parts, which are centrally and symmetrically located at both ends of the movable frame;
[0012] The movable frame is connected to the main structure via one of the electric push rods;
[0013] Both pulley boxes are independently connected to the main structure via one electric push rod;
[0014] The movable frame and the main structure form a trolley-direction moving pair, and the pulley box and the main structure form a trolley-direction moving pair. The trolley-direction moving pair and the trolley-direction moving pair are allowed to move independently or simultaneously.
[0015] Preferably, the main structure is provided with a C-shaped bayonet at its end;
[0016] The C-shaped bayonet is the track guide groove of the pulley box.
[0017] Preferably, a mating plate is provided at the lower end of the main structure;
[0018] The docking plate is the translation track of the moving frame.
[0019] Preferably, the front end of the electric push rod on the movable frame is provided with a joint bearing, the joint bearing is connected to the main structure through a pin, and the rear end of the electric push rod is provided with a floating support, the floating support is connected to the movable frame through a rotary shaft.
[0020] Preferably, the front end of the electric push rod on the pulley box is connected to the corresponding pulley box via a pin, and the rear end of the front end of the electric push rod is provided with a floating support, which is connected to the side of the main structure via a rotary shaft. This utility model provides a lightweight electric trolley and crane translation platform, suitable for use in field bridges with low anti-sway requirements, and particularly applicable to the renovation of traditional four-rope field bridges. Using an electric push rod as the translation drive element and an I-beam structure, the structure is simplified by employing thick and thin plate joining techniques on the main beam, enabling it to maintain a low overall height and weight while still providing trolley and crane translation functions. Attached Figure Description
[0021] Figure 1 This is a front view schematic diagram of the lightweight electric carts for lateral loading of this utility model;
[0022] Figure 2 This is a top view schematic diagram of the translational mounting of the lightweight electric carts of this utility model;
[0023] Figure 3 This is a side view of the lightweight electric carts of this utility model being moved onto the shelf.
[0024] Figure 4 yes Figure 2 A schematic diagram of the AA direction. Detailed Implementation
[0025] To better understand the above-mentioned technical solution of this utility model, the technical solution of this utility model will be further described below in conjunction with the accompanying drawings and embodiments.
[0026] Combination Figures 1 to 4 As shown, this utility model provides a lightweight electric trolley for horizontal transfer and mounting, including a main structure 1, a pulley box 2, a moving frame 3, an electrical system 4, a cable storage frame 5, an electric push rod 6, and a transfer pin mechanism 7.
[0027] The main structure 1 is made of I-beams to reduce the overall height and weight.
[0028] There are two pulley boxes 2, which are symmetrically located at both ends of the main structure 1.
[0029] The movable frame 3 is located below the main structure 1.
[0030] The electrical system 4 and the cable storage frame 5 are both located on the upper surface of the main structure 1.
[0031] The end of the main structure 1 is provided with a C-shaped bayonet, which is the track guide groove of the pulley box 2.
[0032] A connecting plate is provided at the lower end of the main structure 1. The connecting plate serves as the cross section of the I-beam to bear loads and also acts as the translation track for the movable frame 3.
[0033] This design integrates the required functions directly into the main structure 1, eliminating the need for additional welding of the track structure. This effectively simplifies the design of the steel structure, reduces the use of steel, and lowers the weight.
[0034] The pulley box 2 is designed as two independent parts with the same shape but can move relatively independently, so as to make better fine adjustments.
[0035] The main structure 1, pulley box 2, and moving frame 3 are the main load-bearing components for the horizontal movement of the light electric trolley and the large trolley in this utility model. The electrical system 4 is used for the motion control of the trolley movement. The cable storage frame 5 is used to collect and store the vertical cable during the lifting process. The electric push rod 6 is the driving element for the horizontal movement (among which the two electric push rods 6.1 used in the trolley direction have lower power, and the one electric push rod 6.2 used in the large trolley direction has higher power).
[0036] There are two pivot mechanisms 7, which are symmetrically located at both ends of the movable frame 3 and are used to connect the lifting device.
[0037] The movable frame 3 is connected to the main structure 1 via an electric push rod 6.1.
[0038] Each of the two pulley boxes 2 is independently connected to the main structure 1 via an electric push rod 6.2.
[0039] The movable frame 3 and the main structure 1 form a trolley-direction sliding pair, and the pulley box 2 and the main structure 1 form a trolley-direction sliding pair. The trolley-direction sliding pair and the trolley-direction sliding pair are allowed to move independently or simultaneously.
[0040] To further simplify the existing shelf structure, such as Figure 4 As shown, the electric push rod 6.1 of the trolley directional moving pair is built into the upper frame, reducing space occupation. All electric push rods are equipped with spherical bearings at the front end. The spherical bearings on the trolley push rod 6.2 are connected to the main structure 1 via pins. The tail end of the push rod is mounted on a floating support. The floating support is connected to the moving frame 3 via a rotary shaft. With the floating support, the push rod can swing at multiple angles within a small range, better accommodating steel structure manufacturing errors.
[0041] The electric push rod 6.2 of the trolley direction moving pair is similar in principle to that of the main trolley direction. The two electric push rods 6.1 are connected to the corresponding pulley boxes 2 by pins, and each of them has a floating support at its tail. They are installed on both sides of the main structure 1 by their respective rotating shafts.
[0042] With the above structural form, the entire lightweight electric trolley and cart translation frame of this utility model is divided into three layers. The pulley box 2 and the main structure 1 form a trolley direction movement pair, and the main structure 1 and the moving frame 2 form a large vehicle direction movement pair. This ensures that the lightweight electric trolley and cart translation frame of this utility model can move independently in both the large vehicle and small vehicle directions.
[0043] During operation, the hoisting wire rope is connected to the pulley box 2 via the crane winding system and pulleys to achieve the hoisting function. Each of the two independent pulley boxes 2 is equipped with an independent electric push rod 6.1. Under the control of the electrical system, the electric push rod 6.1 extends and retracts, causing the pulley box 2 and the main structure 1 to move relative to each other in the trolley direction, thus achieving trolley translation. A trolley-direction electric push rod 6.2 is arranged perpendicular to the trolley push rod direction in the middle of the upper frame. Its extension and retraction pushes the main structure 1 and the hanger 3 to move relative to each other, thus achieving trolley-direction translation.
[0044] Those skilled in the art should recognize that the above embodiments are only used to illustrate the present utility model and are not intended to limit the present utility model. Any changes or modifications to the above embodiments within the scope of the essential spirit of the present utility model will fall within the scope of the claims of the present utility model.
Claims
1. A lightweight electric trolley for lateral loading and unloading, characterized in that: It includes the main structure, pulley box, moving frame, electrical system, cable storage frame, electric push rod, and switching mechanism; The main structure is made of I-beams; The pulley boxes are two in number, symmetrically located at both ends of the main structure; The movable structure is mounted below the main structure; The electrical system and the cable storage frame are both located on the upper surface of the main structure; The transfer pin mechanism has two parts, which are centrally and symmetrically located at both ends of the movable frame; The movable frame is connected to the main structure via one of the electric push rods; Both pulley boxes are independently connected to the main structure via a single electric push rod; The movable frame and the main structure form a trolley-direction moving pair, and the pulley box and the main structure form a trolley-direction moving pair. The trolley-direction moving pair and the trolley-direction moving pair are allowed to move independently or simultaneously.
2. The lightweight electric trolley for transferring and mounting as described in claim 1, characterized in that: The main structure is provided with a C-shaped bayonet at its end; The C-shaped bayonet is the track guide groove of the pulley box.
3. The lightweight electric trolley for transferring and mounting as described in claim 1, characterized in that: A docking plate is provided at the lower end of the main structure; The docking plate is the translation track of the moving frame.
4. The lightweight electric trolley for transferring and mounting as described in claim 1, characterized in that: The electric push rod on the movable frame has a joint bearing at its front end, which is connected to the main structure via a pin. The electric push rod has a floating support at its rear end, which is connected to the movable frame via a rotary shaft.
5. The lightweight electric trolley for transferring and mounting as described in claim 1, characterized in that: The front end of the electric push rod on the pulley box is connected to the corresponding pulley box by a pin. The front end and rear end of the electric push rod are provided with a floating support. The floating support is connected to the side of the main structure by a rotary shaft.