Extending supporting leg of chassis
By designing the retractable chassis expansion legs and screw structure, the stability and safety issues of aerial trolleys when the lifting height and load bearing weight increase are solved, and the stable use in different environments is achieved.
Patent Information
- Application Number
- CN202422424596.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-09
- Publication Date
- 2025-05-30
- Estimated Expiration
- 2034-10-09
AI Technical Summary
The stability and safety of existing aerial trolleys cannot be guaranteed when the lifting height and load bearing weight increase.
A chassis expansion leg is designed, including the chassis and legs. The leg can be telescopic and retracted in the leg slide. Through the coordination of the limit hole and the limit lock hook, the length of the leg is adjusted to adapt to different environments; screw rods and feet are installed on the legs to improve stability.
Through the expansion and retraction of the legs and the adjustment of the screw, the stability of the high-altitude working platform in different environments is ensured, which improves the safety of use.
Smart Images
Figure CN222922851U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of aerial work platforms, and particularly to a chassis extended outrigger. Background Art
[0002] As a type of aerial work platform, an aerial trolley generally refers to a trolley that can operate at a relatively high position. Such trolleys may have a lifting function, enabling workers to push items to different heights for convenient aerial work. They are usually used in places such as warehouses, construction sites, and logistics centers where item handling is required at different height levels.
[0003] Generally, the lifting height of an aerial trolley is small and the load-bearing capacity is low. Therefore, the trolleys in existing aerial trolleys only serve as a loading platform for lighter objects and a moving platform. However, with the development of goods flow and handling, the functions of aerial trolleys are also changing, that is, the application range of aerial trolleys is continuously expanding, and their lifting height and load-bearing capacity are increasing. When the lifting height and load-bearing capacity of an aerial trolley become larger, the use stability and safety of existing aerial trolleys cannot be guaranteed. Summary of the Utility Model
[0004] The purpose of the embodiments of the present application is to provide a chassis extended outrigger to solve the technical problem of the stability of an aerial work platform when its lifting height and load-bearing capacity increase.
[0005] To achieve the above purpose, the embodiments of the present application provide the following technical solutions:
[0006] A chassis extended outrigger includes a chassis and outriggers. Outrigger slides are provided at the front end and the rear end of the chassis. The outriggers are arranged in the outrigger slides. A lead screw is provided at the end of the outrigger. A limit hole is provided on the outrigger. A limit locking hook is provided on the outrigger slide.
[0007] Further, there are at least two limit holes.
[0008] Further, a slider is provided on the inner wall of the outrigger slide.
[0009] Further, the slider is made of a polymer material.
[0010] Further, a screw hole is provided at the end of the outrigger, and the lead screw is arranged in the screw hole.
[0011] Further, a foot is provided at the lower end of the lead screw, and a handle is provided at the upper end of the lead screw.
[0012] Further, the foot is threadedly connected to the lead screw.
[0013] Further, the handle is connected to the upper end of the lead screw by bolts.
[0014] Further, a spirit level is provided on the chassis.
[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0016] 1. By adopting outriggers, lead screws and feet, the stability of the aerial work platform is provided.
[0017] 2. Limit holes are provided on the outriggers and cooperate with the limit locking hooks on the outrigger slides. Different extended outrigger lengths can be adopted according to the lifting height, weight of the aerial work platform and on-site conditions, so as to ensure the stability of the aerial work platform in different environments.
[0018] 3. The extended outrigger structure of the present utility model is simple and convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the chassis extended outrigger of this application;
[0020] Figure 2 It is a partial schematic diagram of the chassis extended outrigger of this application.
[0021] In the figure: 1. Chassis, 2. Outrigger, 3. Slide block, 4. Limit locking hook, 5. Spirit level, 6. Foot, 7. Lead screw, 8. Handle, 9. Outrigger slide. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0022] Next, the technical solutions in the embodiments of this application will be clearly and completely described in conjunction with the drawings in the embodiments of this application.
[0023] As Figure 1 and 2 shown, the embodiment of this application provides a chassis extended outrigger, including a chassis 1 and an outrigger 2. An outrigger slide 9 is provided at the front end of the chassis 1, and an outrigger slide 9 is also provided at the rear end of the chassis 1. The outrigger slide 9 is hollow, generally set as square or rectangular, and of course can also be set as similar to circular. The outrigger 2 is arranged in the outrigger slide 9, so that the outrigger 2 can move left and right in the outrigger slide 9. A screw hole is provided at the end of the outrigger 2, that is, the end far from the outrigger slide 9, and a lead screw 7 is arranged in the screw hole. The lead screw 7 can be lifted and lowered by using the thread in the screw hole. Limit holes are provided on the outrigger 2, and limit locking hooks 4 are provided on the outrigger slide 9. The limit locking hooks 4 fix the outrigger 2 through the limit holes.
[0024] In one embodiment of the present utility model, there are two limiting holes. One limiting hole is used to fix the supporting leg 2 completely retracted into the supporting leg slideway 9, and the other limiting hole is used to fix the supporting leg 2 extending out of the supporting leg slideway 9. As the number of limiting holes increases, the adjustable range of the telescopic distance of the supporting leg increases.
[0025] In one embodiment of the present utility model, in order to facilitate the telescopic movement of the supporting leg 2 in the supporting leg slideway 9 and reduce the wear of the supporting leg 2 and the supporting leg slideway 9, a slider 3 is provided on the inner wall of the supporting leg slideway 9, and the slider 3 is made of a polymer material.
[0026] In one embodiment of the present utility model, a small screw rod is provided at the lower end of the lead screw 7, and the supporting foot 6 is fixed on the lead screw 7 with a nut. The supporting foot 6 increases the ground support area of the lead screw 7, thereby improving the supporting force of the lead screw 7. In addition, a handle 8 is movably connected to the lead screw 7 at the upper end of the lead screw 7 through a bolt. The handle 8 can swing up and down, and the lead screw 7 is driven to rotate by rotating the handle 8, thereby driving the supporting leg 2 to lift and lower.
[0027] In one embodiment of the present utility model, the aerial work platform needs to be horizontal to ensure its stability. By adjusting the lead screws 7 at the four corners of the aerial work platform, the supporting effect of the supporting legs 2 on the chassis 1 is adjusted to make the chassis 1 in a horizontal state. In order to facilitate confirming whether the chassis is in a horizontal state, a level gauge 5 is provided on the chassis 1 to measure the levelness of the chassis 1, so as to adjust the supporting legs.
[0028] In summary, the present utility model adopts supporting legs, lead screws and supporting feet to provide the stability of the aerial work platform. Limiting holes are provided on the supporting legs and are matched with the limiting locking hooks on the supporting leg slideways. Different extended lengths of the supporting legs can be adopted according to the lifting height, weight of the aerial work platform and the on-site conditions, so as to ensure the stability of the aerial work platform in different environments. The extended supporting leg structure of the present utility model is simple and convenient to use.
[0029] Although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A chassis extension leg, comprising a chassis (1) and a leg (2), characterized in that: Leg slideways (9) are arranged at the front and rear ends of the chassis (1), the legs (2) are arranged in the leg slideways (9), a screw rod (7) is arranged at the end of the legs (2), a limiting hole is arranged on the legs (2), and a limiting lock hook (4) is arranged on the leg slideways (9).
2. The chassis extension leg according to claim 1, characterized in that: There are at least two limiting holes.
3. The chassis extension leg according to claim 1, characterized in that: A sliding block (3) is arranged on the inner wall of the support leg slideway (9).
4. The chassis extension leg according to claim 3, characterized in that: The sliding block (3) is made of polymer material.
5. The chassis extension leg according to claim 1, characterized in that: A screw hole is provided at the end of the supporting leg (2), and the screw rod (7) is provided in the screw hole.
6. The chassis extension leg according to claim 1, characterized in that: A support foot (6) is provided at the lower end of the screw rod (7), and a handle (8) is provided at the upper end of the screw rod (7).
7. The chassis extension leg according to claim 6, characterized in that: The support foot (6) and the screw rod (7) are connected by threads.
8. The chassis extension leg according to claim 6, characterized in that: The handle (8) is connected to the upper end of the screw rod (7) via bolts.
9. The chassis extension leg according to any one of claims 1 to 8, characterized in that: A level (5) is arranged on the chassis (1).