Foldable ladder vehicle pedal
By designing foldable ladder truck steps, the problem of large space occupation caused by non-foldable ladder truck steps has been solved, realizing the flexibility of ladder trucks in confined spaces and expanding their application range, thus reducing the burden on operators.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-09
- Publication Date
- 2026-03-20
AI Technical Summary
The existing ladder truck's extended steps are not foldable, which results in them taking up a lot of space when not in use or during transportation, limiting the ladder truck's flexibility and application range.
Design a foldable ladder truck step, which is achieved by setting a foldable step, connecting component, connecting ring and retraction component on the ladder truck body, and using a rotating shaft, retraction wheel, rotating handle and retraction rope to realize the folding and unfolding of the step.
It reduces the space occupied by ladder trucks when idle or in transport, improves their adaptability and flexibility in confined spaces, expands the application range of ladder trucks, and reduces the physical burden on operators.
Smart Images
Figure CN224017149U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of ladder car, especially a foldable ladder car pedal. BACKGROUND
[0002] The ladder car is not a traditional mechanical vehicle, and has no power itself, but runs on the track by manpower. The ladder car has four wheels at the bottom and an open frame at the upper part, and is named as a ladder car due to its similar appearance to a ladder. In the field of railway electrification catenary, the ladder car is a commonly used tool, especially in catenary adjustment and maintenance operation, and is favored by the operation personnel due to its lightness, flexibility and convenience.
[0003] The ladder car usually has an extension pedal, which can expand the working range of the ladder car. However, the existing extension pedal of the ladder car is mostly designed in a fixed manner, i.e., the pedal cannot be folded. This design causes the ladder car to occupy a large space when idle or in transportation, which brings inconvenience to storage and transportation. Especially in the operation site with limited space or the narrow transportation vehicle, the design of the fixed pedal often limits the flexibility and application range of the ladder car, and therefore the present application proposes a foldable ladder car pedal to solve the above problems. SUMMARY
[0004] The main purpose of the utility model is to provide a foldable ladder car pedal, which can effectively solve the problems in the background art.
[0005] To achieve the above purpose, the technical scheme adopted by the utility model is as follows:
[0006] A foldable ladder car pedal, comprising a ladder car main body, a standing platform fixedly installed at the upper end of the ladder car main body, a protective fence frame fixedly installed at the upper end of the standing platform, a foldable pedal rotatably installed on the pedal rod of the ladder car main body, the foldable pedal being composed of a pedal main body, a connecting assembly and a connecting ring, the connecting assembly being two and symmetrically fixedly installed at the lower end of the pedal main body, the connecting ring being two and symmetrically fixedly installed at the upper end of the pedal main body, a folding and unfolding assembly rotatably installed on the protective fence frame, the folding and unfolding assembly being connected with the foldable pedal, the folding and unfolding assembly being composed of a rotating shaft, a winding wheel, a rotating handle, a fixed connecting plate and a folding and unfolding rope, the winding wheel being two and symmetrically fixedly sleeved on the rotating shaft, the rotating handle being two and symmetrically fixedly installed at the two ends of the rotating shaft, the fixed connecting plate being two and respectively fixedly installed on the two rotating handles, the folding and unfolding rope being two and respectively wound on the two winding wheels.
[0007] Preferably, a pulley assembly is fixedly installed at the lower end of the ladder car main body.
[0008] Preferably, two shaft holes are symmetrically formed on the protective fence frame.
[0009] Preferably, the two connecting assemblies on the foldable step are rotatably mounted on the step rod on the ladder truck body.
[0010] Preferably, the rotating shaft on the folding assembly is rotatably mounted in two axis holes symmetrically formed on the protective fence frame, the two winding wheels are located on the inner side of the protective fence frame, the two rotating handles are respectively located on the two sides of the protective fence frame, one mounting through hole is formed on each of the two fixed connecting plates, and the fixed connecting plates are fixedly connected with the protective fence frame through bolts.
[0011] Preferably, the two ends of the folding rope on the folding assembly are fixedly connected with the winding wheels and the connecting rings on the foldable step.
[0012] Compared with the prior art, the utility model has the advantages of:
[0013] By rotatably arranging the foldable step composed of a step body, a connecting assembly and a connecting ring on the ladder truck body, the foldable step can be folded to one side of the ladder truck body when the ladder truck is idle or transported, so that the space occupied by the ladder truck when idle or transported can be reduced, thereby facilitating the storage and transportation of the ladder truck, the physical burden of the operating personnel is reduced, the adaptability and flexibility of the ladder truck in a small space are improved, and the application range of the ladder truck is further expanded; by arranging the folding assembly on the protective fence frame and connecting the folding assembly with the foldable step, the foldable step can be conveniently folded on the standing platform by the operating personnel, so that the folding of the foldable step is facilitated. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 is a structural schematic view of one perspective of the overall structure of the utility model;
[0015] Figure 2 is a structural schematic view of another perspective of the overall structure of the utility model;
[0016] Figure 3 is an enlarged view of A of the utility model; Figure 2
[0017] Figure 4 is an enlarged view of B of the utility model; Figure 2
[0018] Figure 5 is a structural schematic view of the foldable step and the folding assembly of the utility model;
[0019] Figure 6 is a structural schematic view of the rotating shaft, the winding wheel, the rotating handle and the fixed connecting plate of the utility model.
[0020] In the diagram: 1. Ladder car body; 2. Standing platform; 3. Protective enclosure frame; 4. Foldable step; 5. Retraction assembly; 6. Pulley assembly; 7. Step body; 8. Connecting assembly; 9. Connecting ring; 10. Rotating shaft; 11. Rewinding wheel; 12. Rotating handle; 13. Fixed connecting plate; 14. Rope retraction; 15. Mounting through hole. Detailed Implementation
[0021] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0022] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 As shown, a foldable ladder truck step includes a ladder truck body 1. A standing platform 2 is fixedly installed on the upper end of the ladder truck body 1. A protective enclosure frame 3 is fixedly installed on the upper end of the standing platform 2. A foldable step 4 is rotatably installed on the step bar of the ladder truck body 1. The foldable step 4 consists of a step body 7, connecting components 8, and connecting rings 9. There are two connecting components 8, which are symmetrically fixedly installed on the lower end of the step body 7. There are two connecting rings 9, which are symmetrically fixedly installed on the upper end of the step body 7. A retraction component 5 is rotatably installed on the protective enclosure frame 3. The retraction component 5 is connected to the foldable step 4. The retraction component 5 consists of a rotating shaft 10, a winding wheel 11, a rotating handle 12, a fixed connecting plate 13, and a retraction rope 14. There are two winding wheels 11, which are symmetrically fixedly sleeved on the rotating shaft 10. There are two rotating handles 12, which are symmetrically fixedly sleeved on the rotating shaft 10. Two fixed connecting plates 13 are mounted on both ends of the rotating shaft 10 and are respectively fixedly installed on two rotating handles 12. Two winding ropes 14 are respectively wound on two winding wheels 11. In order to reduce the space occupied by the ladder truck during storage or transportation, the foldable step 4 can be folded up. The method is as follows: first, release the fixation between the fixed connecting plate 13 and the protective enclosure frame 3, then rotate the rotating shaft 10 and the winding wheels 11 to unwind the winding ropes 14. At this time, under the action of gravity, the foldable step 4 will rotate downward on a step bar of the ladder truck body 1 until the foldable step 4 lies flat on the ladder truck body 1. Finally, fix the fixed connecting plate 13 to the protective enclosure frame 3 together. At this time, the folding of the foldable step 4 is completed. When the foldable step 4 is needed, it can be unfolded. Figure 1 The method described is as follows: first, release the fixing between the fixed connecting plate 13 and the protective enclosure frame 3; then, rotate the rotating shaft 10 and the winding wheel 11 to wind up and unwind the rope 14. At this time, under the pull of the winding and unwinding rope 14, the foldable step 4 will rotate upward on a step bar of the ladder car body 1 until the foldable step 4 is as shown.Figure 1 The shown state is parallel to the ground, and finally the fixed connecting plate 13 is fixed with the protective fence frame 3, at which time the unfolding of the foldable step 4 is completed.
[0023] Therefore, by rotating the foldable step 4 composed of the step body 7, the connecting assembly 8, and the connecting ring 9 on the ladder truck body 1, the foldable step 4 can be folded to one side of the ladder truck body 1 when the ladder truck is idle or in transportation, thereby reducing the space occupied by the ladder truck when idle or in transportation, and further facilitating the storage and transportation of the ladder truck. This improvement not only reduces the physical burden of the operator, but also improves the adaptability and flexibility of the ladder truck in a small space, further expanding the application range of the ladder truck. By providing the folding and unfolding assembly 5 on the protective fence frame 3 and connecting the folding and unfolding assembly 5 with the foldable step 4, the operator can conveniently fold and unfold the foldable step 4 on the standing platform 2, thereby facilitating the folding and unfolding of the foldable step 4.
[0024] Specifically, the lower end of the ladder truck body 1 is fixedly installed with a pulley assembly 6, and two shaft holes are symmetrically provided on the protective fence frame 3. During operation, the pulley assembly 6 can be placed on the track, so that the ladder truck can be pushed on the track through the pulley assembly 6.
[0025] Specifically, the two connecting assemblies 8 on the foldable step 4 are both rotatably installed on the step rod on the ladder truck body 1, the rotating shaft 10 on the folding and unfolding assembly 5 is rotatably installed in the two shaft holes symmetrically provided on the protective fence frame 3, the two winding wheels 11 are both located on the inner side of the protective fence frame 3, the two rotating handles 12 are both located on the two sides of the protective fence frame 3, one mounting through hole 15 is provided on each of the two fixed connecting plates 13, the fixed connecting plates 13 are fixedly connected with the protective fence frame 3 through bolts, and the two ends of the folding and unfolding rope 14 on the folding and unfolding assembly 5 are fixedly connected with the winding wheel 11 and the connecting ring 9 on the foldable step 4. When it is necessary to fold and unfold the foldable step 4, the fixing of the fixed connecting plate 13 needs to be released, at which time the bolts connecting the fixed connecting plate 13 and the protective fence frame 3 can be removed. Then, when folding and unfolding the foldable step 4, the rotating handle 12 can be rotated to rotate the rotating shaft 10 on the protective fence frame 3. At this time, the rotating shaft 10 drives the winding wheel 11 to rotate, and the rotating winding wheel 11 winds or unwinds the folding and unfolding rope 14, thereby completing the folding and unfolding of the foldable step 4 through the folding and unfolding rope 14. When the folding and unfolding of the foldable step 4 is completed, the fixed connecting plate 13 can be fixed with the protective fence frame 3 again using the bolts.
[0026] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or equivalently replace some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application. The protection scope of the present application is defined by the appended claims and equivalents thereof.
Claims
1. A foldable ladder truck step, comprising a ladder truck body (1), wherein a standing platform (2) is fixedly installed on the upper end of the ladder truck body (1), and a protective enclosure frame (3) is fixedly installed on the upper end of the standing platform (2), characterized in that: A foldable step (4) is rotatably mounted on the step bar of the ladder car body (1). The foldable step (4) consists of a step body (7), a connecting assembly (8), and a connecting ring (9). There are two connecting assemblies (8) symmetrically fixedly mounted on the lower end of the step body (7). There are two connecting rings (9) symmetrically fixedly mounted on the upper end of the step body (7). A retraction assembly (5) is rotatably mounted on the protective enclosure frame (3). The retraction assembly (5) is connected to the foldable step (4). (5) It consists of a rotating shaft (10), a winding wheel (11), a rotating handle (12), a fixed connecting plate (13), and a winding rope (14). The winding wheel (11) consists of two symmetrically fixedly mounted on the rotating shaft (10). The rotating handle (12) consists of two symmetrically fixedly mounted on both ends of the rotating shaft (10). The fixed connecting plate (13) consists of two and is fixedly mounted on the two rotating handles (12). The winding rope (14) consists of two and is wound on the two winding wheels (11).
2. The foldable ladder board according to claim 1, characterized in that: A pulley assembly (6) is fixedly installed at the lower end of the ladder car body (1).
3. A foldable ladder board according to claim 2, characterized in that: The protective enclosure frame (3) has two symmetrical shaft holes.
4. A foldable ladder board according to claim 3, characterized in that: The two connecting components (8) on the foldable pedal (4) are rotatably mounted on the step bar on the ladder body (1).
5. A foldable ladder board according to claim 4, characterized in that: The rotating shaft (10) on the take-up and release assembly (5) is rotatably installed in two symmetrical shaft holes on the protective fence frame (3). The two take-up wheels (11) are located on the inner side of the protective fence frame (3). The two rotating handles (12) are located on both sides of the protective fence frame (3). Each of the two fixed connecting plates (13) has a mounting through hole (15). The fixed connecting plates (13) are fixedly connected to the protective fence frame (3) by bolts.
6. A foldable ladder board according to claim 5, characterized in that: The two ends of the take-up and take-down rope (14) on the take-up and take-down assembly (5) are fixedly connected to the take-up reel (11) and the connecting ring (9) on the foldable pedal (4), respectively.