Rotary supporting leg for vehicle

By introducing a moving rod, auxiliary ring and elastic component design into the rotating support legs, the problem of inconvenient folding and fixing of the rotating support legs in the prior art is solved, and the working stability and anti-tilt ability of the construction machinery and vehicle are improved.

CN222157432UActive Publication Date: 2024-12-13ZHENGZHOU STEADI ELECTROMECHANICAL EQUIP CO LTD
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Patent Information

Application Number
CN202420992729.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-09
Publication Date
2024-12-13
Estimated Expiration
2034-05-09

AI Technical Summary

Technical Problem

In the prior art, the rotating support legs of construction machinery vehicles are not convenient to fold or open, and are difficult to fast fix after adjustment, which affects the vehicle's working stability and anti-tilt ability.

Method used

A rotating support leg structure including supporting base, telescopic column, rotating leg, moving rod, auxiliary ring and elastic component is designed. Through the sliding connection between the moving rod and the positioning groove, the auxiliary ring drives the extension rod and push plate to move and extend, The pulling spring acts to enable the rotating legs to be folded, opened and fixed easily.

Benefits of technology

It realizes convenient folding, opening and fast fixing of rotating legs, improving the vehicle's working stability and anti-tilt ability.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222157432U_ABST
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Abstract

The utility model discloses a rotary supporting leg for a vehicle. The rotary supporting leg comprises a supporting foot margin, a telescopic column is rotatably connected to the upper side of the supporting foot margin, a rotary leg is slidably connected to the upper side of the telescopic column, an overturning groove is formed in the upper side of the rotary leg, and a supporting plate is arranged on the upper side of the overturning groove. According to the utility model, the problems in the prior art that the supporting legs are inconvenient to fold or unfold and the supporting legs are quickly fixed after being adjusted are effectively solved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of rotating support legs for vehicles and relates to a rotating support leg for vehicles. Background Art

[0002] Nowadays, many large-scale projects require engineering machinery vehicles to participate in their completion, but the construction sites of many projects are in very harsh environments. Engineering machinery vehicles need to operate while ensuring stability under special working conditions. Chinese patent CN102529908B discloses a support device and an engineering machinery vehicle, which includes: telescopic legs, vertical cylinders, horizontal cylinders, rotating legs, rotating leg cylinders and swing drive units. The vertical cylinder includes a matching vertical piston rod and a vertical cylinder barrel, the vertical cylinder is vertically connected to the first end of the telescopic legs, the horizontal cylinder includes a matching horizontal piston rod and a horizontal cylinder barrel, the first end of the horizontal cylinder is parallelly connected to the telescopic legs, the first end of the rotating legs is rotatably connected to the telescopic legs, the rotating leg cylinder includes a matching rotating leg cylinder piston rod and a rotating leg cylinder barrel, the rotating leg cylinder is vertically connected to the second end of the rotating leg, and the swing drive unit is vertically connected to the rotating leg for controlling the rotation of the rotating leg. Through the above method, the present invention utilizes the combined effect of telescopic legs and rotating legs to increase the span of the legs, thereby improving the anti-rollover ability and operating stability of the engineering machinery vehicle. However, there is a problem in the prior art that it is inconvenient to fold or open the support legs and to quickly fix the support legs after adjustment, so there is an urgent need for rotating support legs for vehicles. Utility Model Content

[0003] In view of the above problems, the utility model proposes a rotating support leg for a vehicle, which effectively solves the problem in the prior art that it is inconvenient to fold or unfold the support leg and to quickly fix the support leg after adjustment.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0005] A rotating support leg for a vehicle comprises a supporting foot, a telescopic column is rotatably connected to the upper side of the supporting foot, a rotating leg is slidably connected to the upper side of the telescopic column, a flip groove is opened on the upper side of the rotating leg, an assembly plate is arranged above the rotating leg, the assembly plate is provided with a support plate located in the flip groove, the support plate is provided with a fan-shaped groove, a moving rod is slidably connected to the upper side of the rotating leg, the moving rod is slidably connected to the fan-shaped groove, limiting grooves are opened on both sides of the upper part of the arc groove, an elastic component is connected to the lower side of the moving rod, and the elastic component is used to limit the rotation of the moving rod to the fan-shaped groove.

[0006] Preferably, the front and rear parts of the upper side of the rotating leg are fixedly connected to a guard plate with a groove, the upper side of the rotating leg has a positioning groove, the moving rod is plugged into the positioning groove, and a push plate is plugged into the lower side of the outer side of the guard plate.

[0007] Preferably, the push plate is fixedly connected to the lower side with an extension rod, the lower side of the extension rod is fixedly connected with an auxiliary ring, and the auxiliary ring is plugged into the rotating leg.

[0008] Preferably, the elastic component includes a tension spring fixedly connected to the lower end of the guard plate, and the lower end of the tension spring is fixedly connected to the push plate.

[0009] Preferably, the assembly plate is provided with a plurality of evenly distributed and identically sized assembly holes.

[0010] Preferably, a hydraulic pipe is connected to the middle side of the rotating leg.

[0011] Preferably, both ends of the moving rod are fixedly connected with a slide plate, the slide plate is slidably connected to the guard plate, the front and rear sides of the slide plate are fixedly connected with a limit plate, the limit plate is slidably connected to the guard plate, and the limit plate is fixedly connected to the push plate.

[0012] Preferably, a placement groove is opened on the inner side of the supporting foot, and a receiving seat is fixedly connected to the lower end of the telescopic column, and the receiving seat is rotatably connected to the placement groove.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. The utility model facilitates adjustment of the position of the moving rod on the support plate through the sliding connection between the moving rod and the positioning groove, thereby facilitating the folding and opening of the rotating legs.

[0015] 2. The utility model pulls down the auxiliary ring, the auxiliary ring drives the extension rod to move downward, the extension rod drives the push plate to move downward, and thus drives the moving rod to move downward, so as to facilitate the adjustment of the rotating leg for steering.

[0016] 3. After the auxiliary ring is loosened, the utility model allows the moving rod to move upward to the position of the limit groove of the support plate under the action of the extension spring, so as to fix and adjust the position of the supporting foot. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the axonometric structure of the utility model.

[0018] Figure 2 It is a schematic diagram of the structure of the rotating leg of the utility model.

[0019] Figure 3 This is a schematic diagram of the structure of the mobile rod of the utility model.

[0020] Figure 4 It is a schematic diagram of the turning groove structure of the utility model.

[0021] In the figure: 1. Support foot; 2. Telescopic column; 3. Rotating leg; 4. Auxiliary ring; 5. Assembly plate; 6. Support plate; 7. Fan-shaped groove; 8. Hydraulic pipe; 9. Assembly hole; 10. Limiting groove; 11. Moving rod; 12. Slide plate; 13. Push plate; 14. Extension spring; 15. Guard plate; 17. Receiver; 18. Flip groove. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 The utility model provides a technical solution: a rotating support leg for a vehicle, comprising a supporting foot 1, a telescopic column 2 is rotatably connected to the upper side of the supporting foot 1, a rotating leg 3 is slidably connected to the upper side of the telescopic column 2, a flip groove 18 is opened on the upper side of the rotating leg 3, an assembly plate 5 is arranged above the rotating leg 3, the assembly plate 5 is provided with a support plate 6 located in the flip groove 18, the support plate 6 is opened with a fan-shaped groove 7, a moving rod 11 is slidably connected to the upper side of the rotating leg 3, the moving rod 11 is slidably connected to the fan-shaped groove 7, limiting grooves 10 are opened on both sides of the upper part of the arc groove 7, and an elastic component is connected to the lower side of the moving rod, and the elastic component is used to limit the rotation of the moving rod 11 to the fan-shaped groove 7.

[0024] When the device is in use, the device is installed at the position of the bottom of the vehicle as required, and the angle of the rotating leg 3 on the assembly plate 5 is adjusted. When the foot 1 needs to be supported on the ground, the position of the moving rod 11 is adjusted. When the moving rod 11 is adjusted to the lower end position of the fan-shaped groove 7, it is convenient to adjust the rotating leg 3 to a direction perpendicular to the horizontal ground. Then, according to the needs of the site, the position of the telescopic column 2 on the rotating leg 3 is adjusted, so as to facilitate the support of the vehicle.

[0025] The front and rear parts of the upper side of the rotating leg 3 are fixedly connected to a guard plate 15 with a groove. The upper side of the rotating leg 3 has a positioning groove, and the moving rod 11 is plugged into the positioning groove. The outer lower side of the guard plate 15 is plugged with a push plate 13.

[0026] The sliding connection between the moving rod 11 and the positioning groove facilitates the adjustment of the position of the moving rod 11 on the support plate 6, thereby facilitating the support and folding of the rotating leg 3.

[0027] The push plates 13 are all fixedly connected to the lower side with extension rods, and the lower side of the extension rods is fixedly connected with auxiliary rings 4 , which are plugged into the rotating legs 3 .

[0028] By pulling down the auxiliary ring 4, the auxiliary ring 4 drives the extension rod to move downward, and the extension rod drives the push plate 13 to move downward, thereby driving the moving rod 11 to move downward, so as to facilitate the adjustment of the rotating leg 3 for steering.

[0029] The lower end of the guard plate 15 is fixedly connected with a tension spring 14 , and the lower end of the tension spring 14 is fixedly connected with the push plate 13 .

[0030] When the auxiliary ring 4 is released, the moving rod 11 is moved to the position of the limiting groove 10 of the support plate 6 under the force of the tension spring 14, so as to fix and adjust the angle position of the rear rotating leg 3.

[0031] Limiting grooves 10 are formed on both sides of the upper portion of the arc-shaped groove 7 .

[0032] The limiting grooves 10 on both sides of the arc groove 7 facilitate the position of the rotating leg 3 to be fixed after adjustment.

[0033] The assembly plate 5 is provided with a plurality of assembly holes 9 which are evenly distributed and have the same size.

[0034] The mounting plate 5 is installed and fixed to a suitable position required by the vehicle by using mounting bolts passing through the mounting holes 9 and cooperating with the vehicle chassis.

[0035] A hydraulic pipe 8 is connected to the middle side of the rotating leg 3 .

[0036] The hydraulic pipe 8 is connected to the hydraulic equipment of the vehicle to facilitate the control of the position of the telescopic column 2 on the upper and lower sides of the rotating rod.

[0037] Both ends of the moving rod 11 are fixedly connected with a slide plate 12, the slide plate 12 is slidably connected to the guard plate 15, the front and rear sides of the slide plate 12 are fixedly connected with a limit plate, the limit plate is slidably connected to the guard plate 15, and the limit plate is fixedly connected to the push plate 13.

[0038] A placement groove is formed on the inner side of the supporting foot 1, and a receiving seat 17 is fixedly connected to the lower end of the telescopic column 2, and the receiving seat 17 is rotatably connected to the placement groove.

[0039] When the utility model is used, the device is first installed at the position of the bottom of the vehicle as required, the angle of the rotating leg 3 on the assembly plate 5 is adjusted, the rotating leg 3 is adjusted to a direction perpendicular to the horizontal ground, and then the position of the telescopic column 2 on the rotating leg 3 is adjusted according to the needs of the site, so as to facilitate the support of the vehicle. When the supporting feet are not needed to support on the ground, the rotating legs can be folded at the position of the bottom of the vehicle by adjusting the angle of the rotating legs.

[0040] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A rotating support leg for a vehicle, characterized in that: It includes a supporting foot, a telescopic column is rotatably connected to the upper side of the supporting foot, a rotating leg is slidably connected to the upper side of the telescopic column, a flip groove is opened on the upper side of the rotating leg, an assembly plate is arranged above the rotating leg, the assembly plate is provided with a support plate located in the flip groove, the support plate is provided with a fan-shaped groove, a moving rod is slidably connected to the upper side of the rotating leg, the moving rod is slidably connected to the fan-shaped groove, limiting grooves are opened on both sides of the upper part of the fan-shaped groove, and an elastic component is connected to the lower side of the moving rod, the elastic component is used to limit the rotation of the moving rod to the fan-shaped groove.

2. The vehicle swivel support leg according to claim 1, characterized in that: The front and rear parts of the upper side of the rotating leg are fixedly connected to a guard plate with a groove. The upper side of the rotating leg is provided with a positioning groove, the moving rod is plugged into the positioning groove, and the lower side of the outer side of the guard plate is plugged into a push plate.

3. The vehicle swivel support leg according to claim 2, characterized in that: The lower side of the push plate is fixedly connected with an extension rod, the lower side of the extension rod is fixedly connected with an auxiliary ring, and the auxiliary ring is plugged with the rotating leg.

4. The vehicle swivel support leg according to claim 3, characterized in that: The elastic component comprises a tension spring fixedly connected to the lower end of the guard plate, and the lower end of the tension spring is fixedly connected to the push plate.

5. The vehicle swivel support leg according to claim 4, characterized in that: The assembly plate is provided with a plurality of assembly holes which are evenly distributed and of the same size.

6. The vehicle swivel support leg according to claim 5, characterized in that: The middle side of the rotating leg is connected with a hydraulic pipe.

7. The vehicle swivel support leg according to claim 6, characterized in that: Both ends of the moving rod are fixedly connected with a slide plate, the slide plate is slidably connected to the guard plate, the front and rear sides of the slide plate are fixedly connected with a limit plate, the limit plate is slidably connected to the guard plate, and the limit plate is fixedly connected to the push plate.

8. The vehicle swivel support leg according to claim 7, characterized in that: A placement groove is provided on the inner side of the supporting foot, a receiving seat is fixedly connected to the lower end of the telescopic column, and the receiving seat is rotatably connected to the placement groove.

Citation Information

Patent Citations

  • Supporting device and engineering machinery vehicle

    CN102529908B