New energy floating type three-fulcrum steering axle
By adopting a floating structure and specific component design on the new energy floating three-fulvet steering bridge, the problems of small steering angle and poor pavement in the prior art are solved, and a larger steering angle and better pavement adaptability are achieved.
Patent Information
- Application Number
- CN202421929180.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-09
- Publication Date
- 2025-05-30
- Estimated Expiration
- 2034-08-09
AI Technical Summary
The three-fulveal steering bridge used by the existing 5-6t electric forklift cannot achieve large corners under small spaces and complex road conditions, and the steering bridge swings a large amplitude, which affects the control of the forklift.
The new energy floating three-fulves steering bridge adopts a floating structure. Through the combined design of the inverted U-shaped main frame, floating support block, rotating main pin assembly and limit bolt, the swing of the floating support block is realized, increasing the steering angle of the forklift and the passing of the road surface.
It improves the steering angle and steering flexibility of new energy forklifts, reduces the swing of forklifts under harsh road conditions, and enhances the passing of different road surfaces.
Smart Images
Figure CN222921314U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of steering axles, in particular to a new energy floating three-point steering axle. Background Art
[0002] With the increasing awareness of ecological environment protection among people, countries around the world pay more and more attention to the application of green, low-carbon and energy-saving forklifts in the fields of production, transportation and warehousing. As one of the key components of forklifts, the rationality of the design of the three-point steering axle is directly related to the use performance of forklifts. Therefore, researching and developing a new energy three-point steering axle with a compact structure, suitable for complex road conditions and large steering angles is of great significance for enhancing the enterprise's rapid market response ability.
[0003] The three-point steering axles used in existing 5-6t electric forklifts cannot achieve large steering angles under the conditions of small space and fixed wheelbase, and on rough roads in the wild, the swing amplitude of the steering axle is large, which is not conducive to the operation of forklifts. There is an urgent need to optimize the product structure. Summary of the Utility Model
[0004] In view of the above problems, the utility model provides a new energy floating three-point steering axle. The steering axle adopts a floating structure, optimizes the overall structure of the three-point steering axle, improves the steering angle of new energy forklifts, and enhances the steering flexibility and passability.
[0005] In order to solve the above problems, the technical solution adopted by the utility model is as follows:
[0006] A new energy floating three-point steering axle includes an inverted U-shaped main frame. A steering support is fixedly installed at the top of the inverted U-shaped main frame. A floating support block is rotatably connected between the bottoms of the inverted U-shaped main frame. Rotating kingpin assemblies for installing the floating support block are installed on both sides of the inverted U-shaped main frame. Wheel hub assemblies are installed on both the left and right sides of the floating support block. Limiting plates are fixedly connected to the bottoms of the front and rear sides of the floating support block. A pair of limiting bolts are threadedly connected to the limiting plates, and the tops of the limiting bolts cooperate with the corresponding bottom edges of the inverted U-shaped main frame.
[0007] Preferably, the rotating kingpin assembly includes a fixing bolt, a gasket and a kingpin. The kingpin is rotatably connected to the front and rear sides of the top of the floating support block. The end of the kingpin is welded to the gasket, and the fixing bolt is installed on the gasket.
[0008] Preferably, pin holes for the kingpin to pass through are provided on both sides of the inverted U-shaped main frame. The gaskets are attached to both sides of the inverted U-shaped main frame. Threaded grooves for threadedly connecting the fixing bolts are provided on both sides of the inverted U-shaped main frame.
[0009] Preferably, the limiting plates are integrally formed with the floating support block, and the limiting plates are arranged parallel to the bottom edge of the inverted U-shaped main frame.
[0010] Preferably, there is a gap of 2-4 mm between the tops of a pair of the limit bolts and the bottom edge of the inverted U-shaped main body frame.
[0011] Preferably, axle shafts are installed on both the left and right sides of the bottom of the floating support block, and the hub assembly is installed at the end of the corresponding axle shaft.
[0012] The beneficial effects of the present utility model are as follows:
[0013] 1. The floating support block can swing on both sides around the rotary kingpin assembly, and the swing angle is limited by the swing limit bolts, so as to realize the swing of the tires during the driving of the forklift, increase the steering angle of the forklift and the passing performance on different road surfaces.
[0014] 2. The floating structure is adopted to optimize the overall structure of the three-point steering axle, improve the steering angle of the new energy forklift, reduce the swing of the forklift under bad road conditions, and improve the steering flexibility and passing performance. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 is a schematic structural view of the present utility model;
[0016] Figure 2 is a schematic structural view of the inverted U-shaped main body frame proposed by the present utility model.
[0017] In the figure: 1 steering support, 2 floating support block, 3 hub assembly, 4 rotary kingpin assembly, 41 fixing bolt, 42 gasket, 43 kingpin, 5 limit bolt, 6 axle shaft, 7 inverted U-shaped main body frame, 71 pin hole, 72 thread groove, 8 limit plate. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0018] In order to make the above objects, features and advantages of the present utility model more obvious and understandable, the following detailed description of the specific embodiments of the present utility model will be given with reference to the accompanying drawings. Many specific details are set forth in the following description in order to fully understand the present utility model. However, the present utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.
[0019] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can also be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only embodiments.
[0020] Reference Figure 1-2 , a new energy floating three-point steering axle, comprising an inverted U-shaped main frame 7, a steering support 1 fixedly installed at the top of the inverted U-shaped main frame 7, a floating support block 2 rotatably connected between the bottoms of the inverted U-shaped main frame 7, rotary kingpin assemblies 4 for installing the floating support block 2 are installed on both sides of the inverted U-shaped main frame 7, wheel hub assemblies 3 are installed on the left and right sides of the floating support block 2, limiting plates 8 are fixedly connected to the bottoms of the front and rear sides of the floating support block 2, a pair of limiting bolts 5 are threadedly connected to the limiting plates 8, the tops of the limiting bolts 5 are matched with the corresponding bottom edges of the inverted U-shaped main frame 7, and the swinging angle is limited by swinging the limiting bolts, so as to realize the swinging of the tires during the driving of the forklift, and increase the steering angle of the forklift and the passability of different road surfaces.
[0021] Furthermore, wheel axles 6 are installed on the left and right sides of the bottom of the floating support block 2, and the wheel hub assemblies 3 are installed at the ends of the corresponding wheel axles 6.
[0022] Furthermore, the rotary kingpin assembly 4 includes a fixing bolt 41, a gasket 42 and a kingpin 43. The kingpin 43 is rotatably connected to the front and rear sides of the top of the floating support block 2. The end of the kingpin 43 is welded to the gasket 42. The fixing bolt 41 is installed on the gasket 42. Pin holes 71 for the kingpin 43 to pass through are provided on both sides of the inverted U-shaped main frame 7. The gasket 42 is attached to both sides of the inverted U-shaped main frame 7. Thread grooves 72 threadedly connected to the fixing bolts 41 are provided on both sides of the inverted U-shaped main frame 7. After the kingpin 43 passes through the pin holes 71, it is fixedly installed on the inverted U-shaped main frame 7 through the rotary kingpin assembly 4, and the floating support block 2 rotates around the kingpin 43 to realize swinging.
[0023] Furthermore, the limiting plate 8 is integrally formed with the floating support block 2, and the limiting plate 8 is arranged parallel to the bottom edge of the inverted U-shaped main frame 7.
[0024] Furthermore, there is a 2-4 mm gap between the tops of the pair of limiting bolts 5 and the bottom edge of the inverted U-shaped main frame 7, so that the swinging amplitude is controlled at about 3°.
[0025] The floating support block 2 can swing on both sides around the rotary kingpin assembly 4, and the swinging angle is limited by swinging the limiting bolts 5, so as to realize the swinging of the tires during the driving of the forklift. During the steering process of the forklift through the steering support 1, due to the swinging angle between the two tires, the steering angle of the forklift and the passability of different road surfaces are increased.
[0026] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.
Claims
1. A new energy floating three-point steering bridge, comprising an inverted U-shaped main frame (7), characterized in that: A steering support (1) is fixedly installed on the top of the inverted U-shaped main frame (7), a floating support block (2) is rotatably connected between the bottom of the inverted U-shaped main frame (7), a rotating kingpin assembly (4) for installing the floating support block (2) is installed on both sides of the inverted U-shaped main frame (7), a wheel hub assembly (3) is installed on the left and right sides of the floating support block (2), and the bottoms of the front and rear sides of the floating support block (2) are fixedly connected to a limit plate (8), and a pair of limit bolts (5) are threadedly connected to the limit plate (8), and the top of the limit bolt (5) is matched with the corresponding bottom edge of the inverted U-shaped main frame (7).
2. The new energy floating three-pivot steering axle according to claim 1 is characterized in that: The rotating kingpin assembly (4) comprises a fixing bolt (41), a gasket (42) and a kingpin (43); the kingpin (43) is rotatably connected to the front and rear sides of the top of the floating support block (2); the end of the kingpin (43) is welded to the gasket (42); and the fixing bolt (41) is installed on the gasket (42).
3. The new energy floating three-pivot steering axle according to claim 2 is characterized in that: Both sides of the inverted U-shaped main frame (7) are provided with pin holes (71) for the main pin (43) to pass through, the gasket (42) is attached to both sides of the inverted U-shaped main frame (7), and both sides of the inverted U-shaped main frame (7) are provided with thread grooves (72) threadedly connected to the fixing bolts (41).
4. The new energy floating three-pivot steering axle according to claim 1 is characterized in that: The limiting plate (8) and the floating support block (2) are integrally formed, and the limiting plate (8) is arranged parallel to the bottom edge of the inverted U-shaped main frame (7).
5. The new energy floating three-pivot steering axle according to claim 1 is characterized in that: The top of a pair of limiting bolts (5) is spaced 2-4 mm from the bottom edge of the inverted U-shaped main frame (7).
6. The new energy floating three-pivot steering axle according to claim 1 is characterized in that: Wheel axles (6) are installed on both left and right sides of the bottom of the floating support block (2), and the wheel hub assembly (3) is installed on the ends of the corresponding wheel axles (6).