Leg stretching device for aerial vehicle supporting
By designing the outrigger frame and rope system to drive the extension and retraction of the primary and secondary outriggers, the problems of insufficient outrigger span and inconvenient operation of aerial work platforms have been solved, realizing a lightweight and large-span outrigger device, and improving the safety and convenience of aerial work.
Patent Information
- Application Number
- CN202423178490.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-23
AI Technical Summary
Existing aerial work platform outrigger devices suffer from inconvenient operation and insufficient outrigger span, leading to vehicle overloading.
A leg extension device was designed, comprising a leg frame, a hydraulic cylinder, a primary leg, and a secondary leg. The hydraulic cylinder drives the extension and retraction of the primary and secondary legs to achieve two-stage extension and retraction. The extension and retraction of the outriggers are achieved through the coordinated action of a rope system.
While achieving a large outrigger span, the device remains lightweight, avoiding the problem of excessive vehicle weight and improving operational convenience and safety.
Smart Images
Figure CN223688064U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to high altitude car field especially relates to a high altitude car support out leg device. BACKGROUND
[0002] In aerial work, in order to improve the safety and convenience of aerial work, the high altitude car is generally selected as the standing platform of aerial work at present, as an important component of high altitude car, the high altitude car frame mechanism is the important part of high altitude car, and the design of the frame support leg directly influences the use safety comprehensive performance of high altitude car, although having the advantages such as low price, reliable operation, but there is the disadvantage that operation is inconvenient in the operation process, and the support leg span is insufficient, when changing into double-stage out leg, the related components are increased, leading to the serious problem of vehicle overweight. Therefore, it is particularly necessary to develop a high altitude car support out leg device with light weight and large support leg span. SUMMARY
[0003] The utility model discloses a high altitude car support out leg device has the advantages that weight is light and support leg span is big.
[0004] The technical scheme adopted is as follows:
[0005] A high altitude car support out leg device, including the support leg frame, the support leg frame end is provided with support leg frame oil cylinder seat, is provided with support leg frame oil cylinder seat axle on support leg frame oil cylinder seat, the support leg frame is slidably provided with a first leg, the first leg is slidably provided with a second leg in the first leg, and the second leg is provided with an oil cylinder, and the oil cylinder includes a cylinder body and a piston rod, the cylinder body is rotatably connected with the first leg oil cylinder fixed shaft, the piston rod is rotatably connected with the support leg frame oil cylinder seat axle, the other end of the cylinder body is connected with a cylinder head shaft, the cylinder head shaft is connected with a cylinder head guide seat, the cylinder head guide seat is provided with a cylinder head roller, the support leg frame is provided with an out leg rope, the out leg rope is folded back after passing through the cylinder head roller and is connected with the end of the second leg, the end of the second leg is connected with a back leg rope, the first leg end is provided with a second leg guide rope wheel, the end of the support leg frame away from the support leg frame oil cylinder seat is provided with a support leg frame front lower guide rope wheel and a support leg frame back leg rope seat, and the back leg rope is folded back after passing through the second leg guide rope wheel and the support leg frame front lower guide rope wheel and is connected with the support leg frame back leg rope seat.
[0006] Preferably, the second leg is provided with a second leg out leg rope shaft and a second leg back leg rope shaft at the end close to the support leg frame oil cylinder seat, the second leg out leg rope shaft is connected with the out leg rope, and the second leg back leg rope shaft is connected with the back leg rope.
[0007] Preferably, the out leg rope and the back leg rope are steel cables.
[0008] Preferably, the cylinder head guide seat includes a guide sliding block, the guide sliding block is provided with a supporting spring, and the guide sliding block is provided with a guide seat roller.
[0009] Compared with the prior art, the beneficial effects are:
[0010] The utility model discloses a work, oil cylinder stretches out, and the first leg oil cylinder fixed axle drives the first leg to stretch out directly, and in the process of stretching out, the cylinder head guide seat fixed at the oil cylinder head moves forward correspondingly, and the leg rope goes out through the second place leg rope axle and drives the second leg to stretch out, until the oil cylinder full stretch support leg follows completely stretches out, when needing the oil cylinder to contract, through the first leg oil cylinder fixed axle drive the first leg to retract directly, and the leg rope goes back through the support leg frame front lower guide rope wheel second leg guide rope wheel one end fixed in the support leg frame leg rope seat, and the other end is fixed in the second leg leg rope axle, and the leg rope goes back the second leg leg rope axle and pulls back the second leg, until the oil cylinder full contraction support leg follows completely retracts, and in the process, use one oil cylinder to realize the extension and contraction, and the weight is relatively strong and two stages of legs, and the span is big. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 It is the structure schematic view of the utility model discloses a high-altitude vehicle support uses the leg device,
[0012] Figure 2 It is Figure 1 The structure schematic view of A place in,
[0013] Figure 3 It is the stretch-out schematic view of the utility model discloses a high-altitude vehicle support uses the leg device,
[0014] Figure 4 It is the oil cylinder place structure schematic view of the utility model discloses a high-altitude vehicle support uses the leg device;
[0015] In the drawing: 1, support leg frame;2, support leg frame oil cylinder seat;3, support leg frame oil cylinder seat axle;4, first leg;5, second leg;6, piston rod;7, cylinder body;8, first leg oil cylinder fixed axle;9, cylinder head axle;10, cylinder head guide seat;11, cylinder head roller;12, leg rope goes out;13, leg rope goes back;14, second leg guide rope wheel;15, support leg frame front lower guide rope wheel;16, support leg frame leg rope seat goes back;17, second leg leg rope axle goes out;18, second leg leg rope axle goes back;19, guide slider;20, support spring;21, guide seat roller. DETAILED DESCRIPTION
[0016] The utility model will be further described in combination with specific embodiment, such as Figures 1 to 4 As shown in the figure:
[0017] Embodiment 1: a leg-out device for high-altitude vehicle support, comprising a support leg frame 1, a support leg frame oil cylinder seat 2 is arranged at the end of the support leg frame 1, a support leg frame oil cylinder seat shaft 3 is arranged on the support leg frame oil cylinder seat 2, a first-stage leg 4 is arranged to slide in the support leg frame 1, a first-stage leg oil cylinder fixing shaft 8 is arranged in the first-stage leg 4 close to one end of the support leg frame 1, a second-stage leg 5 is arranged to slide in the first-stage leg 4, an oil cylinder is arranged in the second-stage leg 5, the oil cylinder comprises a cylinder body 7 and a piston rod 6, the cylinder body 7 is rotationally connected with the first-stage leg oil cylinder fixing shaft 8, and the piston rod 6 is rotationally connected with the support leg frame oil cylinder seat shaft 3.
[0018] A cylinder head shaft 9 is connected with the other end of the cylinder body 7, the cylinder head shaft 9 is arranged at the end away from the support leg frame oil cylinder seat 2, a cylinder head guide seat 10 is connected with the cylinder head shaft 9, a cylinder head roller 11 is arranged in the cylinder head guide seat 10, the support leg frame 1 is provided with a leg-out rope 12, the leg-out rope 12 is folded back after passing through the cylinder head roller 11 and is connected with the end of the second-stage leg 5, the oil cylinder is extended, the first-stage leg 4 is directly extended by the first-stage leg oil cylinder fixing shaft 8, in the process of extension, the cylinder head guide seat 10 fixed at the head of the oil cylinder moves forward correspondingly, the leg-out rope 12 drives the second-stage leg 5 to extend through the second-stage leg rope shaft, and the second-stage leg 5 is extended until the oil cylinder is fully extended and the support leg is completely extended.
[0019] The end of the second-stage leg 5 is connected with a leg-in rope 13, the end of the first-stage leg 4 is provided with a second-stage leg guide rope wheel 14, a support leg frame front lower guide rope wheel 15 and a support leg frame leg-in rope seat 16 are arranged at the end of the support leg frame 1 away from the support leg frame oil cylinder seat 2, the leg-in rope 13 is folded back after passing through the second-stage leg guide rope wheel 14 and the support leg frame front lower guide rope wheel 15 and is connected with the support leg frame leg-in rope seat 16, when the oil cylinder needs to be retracted, the first-stage leg 4 is directly retracted by the first-stage leg oil cylinder fixing shaft 8, the leg-in rope 13 is fixed at the support leg frame leg-in rope seat 16 through the second-stage leg guide rope wheel 14 and the support leg frame front lower guide rope wheel 15 at one end and is fixed at a second-stage leg leg-in rope shaft 18 at the other end, the leg-in rope 13 pulls the second-stage leg leg-in rope shaft 18 to pull back the second-stage leg 5, and the oil cylinder is fully retracted until the support leg is completely retracted.
[0020] Embodiment 2: a leg-out device for high-altitude vehicle support, comprising a support leg frame 1, a support leg frame oil cylinder seat 2 is arranged at the end of the support leg frame 1, a support leg frame oil cylinder seat shaft 3 is arranged on the support leg frame oil cylinder seat 2, a first-stage leg 4 is arranged to slide in the support leg frame 1, a first-stage leg oil cylinder fixing shaft 8 is arranged in the first-stage leg 4 close to one end of the support leg frame 1, a second-stage leg 5 is arranged to slide in the first-stage leg 4, an oil cylinder is arranged in the second-stage leg 5, the oil cylinder comprises a cylinder body 7 and a piston rod 6, the cylinder body 7 is rotationally connected with the first-stage leg oil cylinder fixing shaft 8, and the piston rod 6 is rotationally connected with the support leg frame oil cylinder seat shaft 3.
[0021] The other end of the cylinder body 7 is connected with a cylinder head shaft 9, which is arranged at the end far from the outrigger frame oil cylinder base 2, and the cylinder head shaft 9 is connected with a cylinder head guide seat 10, and the cylinder head guide seat 10 is arranged with a cylinder head roller 11, and the outrigger frame 1 is arranged with an outrigger rope 12, which is folded back after passing through the cylinder head roller 11 and connected with the end of the secondary outrigger 5.
[0022] The end of the secondary outrigger 5 is connected with a back outrigger rope 13, the end of the primary outrigger 4 is arranged with a secondary outrigger guide rope wheel 14, the end of the outrigger frame 1 far from the outrigger frame oil cylinder base 2 is arranged with an outrigger frame front lower guide rope wheel 15 and an outrigger frame back outrigger rope seat 16, the back outrigger rope 13 is folded back after passing through the secondary outrigger guide rope wheel 14 and the outrigger frame front lower guide rope wheel 15 and connected with the outrigger frame back outrigger rope seat 16, the end of the secondary outrigger 5 close to the outrigger frame oil cylinder base 2 is arranged with a secondary outrigger outrigger rope shaft 17 and a secondary outrigger back outrigger rope shaft 18, the secondary outrigger outrigger rope shaft 17 is connected with the outrigger rope 12, and the secondary outrigger back outrigger rope shaft 18 is connected with the back outrigger rope 13, the outrigger rope 12 and the back outrigger rope 13 are steel ropes, the cylinder head guide seat 10 comprises a guide sliding block 19, the guide sliding block 19 is arranged with a supporting spring 20, and the guide sliding block 19 is installed with a guide seat roller 21.
[0023] The specific working process is as follows: when the outrigger needs to be extended, the oil cylinder is extended, the primary outrigger 4 is directly extended by the primary outrigger oil cylinder fixing shaft 8, in the process of extension, the cylinder head guide seat 10 fixed on the head of the oil cylinder moves forward correspondingly, the outrigger rope 12 drives the secondary outrigger 5 to extend through the secondary outrigger outrigger rope shaft 17, until the oil cylinder is fully extended, the outrigger is completely extended, when the oil cylinder needs to be retracted, the primary outrigger 4 is directly retracted by the primary outrigger oil cylinder fixing shaft 8, the back outrigger rope 13 is fixed at the outrigger frame back outrigger rope seat 16 at one end through the outrigger frame front lower guide rope wheel 15 and the secondary outrigger guide rope wheel 14, and at the other end through the secondary outrigger back outrigger rope shaft 18, the back outrigger rope 13 pulls the secondary outrigger back outrigger rope shaft 18 to pull back the secondary outrigger 5, until the oil cylinder is fully retracted, and the outrigger is completely retracted.
[0024] The above-mentioned embodiments are only preferred embodiments of the utility model, and cannot be used to limit the range of protection of the utility model, and any non-substantial changes and replacements made by the person skilled in the art on the basis of the utility model all belong to the range of protection required by the utility model.
Claims
1. A outrigger device for supporting an aerial platform, characterized by: The supporting leg frame comprises a supporting leg frame, a supporting leg frame oil cylinder seat arranged at the end of the supporting leg frame, a supporting leg frame oil cylinder seat shaft arranged on the supporting leg frame oil cylinder seat, a first supporting leg slidingly arranged in the supporting leg frame, a first supporting leg oil cylinder fixing shaft arranged at the end of the first supporting leg close to the supporting leg frame, a second supporting leg slidingly arranged in the first supporting leg, an oil cylinder arranged in the second supporting leg, the oil cylinder comprising a cylinder body and a piston rod, the cylinder body being rotationally connected with the first supporting leg oil cylinder fixing shaft, the piston rod being rotationally connected with the supporting leg frame oil cylinder seat shaft, the other end of the cylinder body being connected with a cylinder head shaft, the cylinder head shaft being connected with a cylinder head guide seat, a cylinder head roller being arranged in the cylinder head guide seat, the supporting leg frame being provided with an out-leg rope, the out-leg rope being folded back after passing through the cylinder head roller and being connected with the end of the second supporting leg, the end of the second supporting leg being connected with a back-leg rope, the end of the first supporting leg being provided with a second supporting leg guide rope wheel, the end of the supporting leg frame away from the supporting leg frame oil cylinder seat being provided with a supporting leg frame front lower guide rope wheel and a supporting leg frame back-leg rope seat, the back-leg rope being folded back after passing through the second supporting leg guide rope wheel and the supporting leg frame front lower guide rope wheel and being connected with the supporting leg frame back-leg rope seat.
2. The outrigger device for supporting a high-altitude vehicle of claim 1, wherein: The end of the second supporting leg close to the supporting leg frame oil cylinder seat is provided with a second supporting leg out-leg rope shaft and a second supporting leg back-leg rope shaft, the second supporting leg out-leg rope shaft being connected with the out-leg rope, and the second supporting leg back-leg rope shaft being connected with the back-leg rope.
3. The outrigger device for a high altitude vehicle support of claim 1, wherein: The out-leg rope and the back-leg rope are steel ropes.
4. The outrigger device for a high altitude vehicle support of claim 1, wherein: The cylinder head guide seat comprises a guide sliding block, a supporting spring being arranged in the guide sliding block, and a guide seat roller being arranged in the guide sliding block.