Movable platform ladder for water conservancy construction
By designing a movable platform ladder, the combined structure of the main platform, secondary platform, ladder and universal wheel is used to realize the storage and expansion of the platform, solving the problem of poor passing through the platform ladder in the existing technology, and providing a convenient construction solution.
Patent Information
- Application Number
- CN202421760277.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-24
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-07-24
AI Technical Summary
The existing platform ladder for water conservancy construction is large in area and large in overall volume, and has poor passability, making it difficult to pass through the narrow areas in the construction site.
A movable platform ladder is designed, including the main platform, the secondary platform, the ladder, the guardrail, the universal wheel and the latch mechanism. The platform is stored and expanded through the latch positioning. The main platform and the secondary platform can be folded, and the universal wheel is easy to move.
It provides a large-area construction platform, with larger operating space and more convenient construction. At the same time, the platform can shrink and reduce its volume, making it easy to move and place, and can easily pass through narrow places.
Smart Images

Figure CN223177085U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of water conservancy construction, in particular to a mobile platform ladder for water conservancy construction. Background Art
[0002] Platform ladders are commonly used in water conservancy construction, which integrate a large-area construction platform and an inclined staircase. Construction workers can climb up the ladder to the high place and carry out construction operations on the platform.
[0003] In the prior art, there is a new type of platform ladder, that is, a wheel set is installed at the bottom of the conventional platform ladder, so that the platform ladder can move in the construction site. It consists of a large-area construction platform, a climbing ladder, a bottom bracket, a guardrail and a wheel set. Although this platform ladder is convenient to move, due to the large platform area, the volume of the whole device is large, it is not convenient to pass through the narrow places in the construction site, and the passability is not good. Therefore, a new mobile platform ladder for water conservancy construction is proposed to solve the above problems. This new type of platform ladder not only has a large construction platform area, but also can be stored as a whole, the volume can be adjusted to be smaller, and the passability is better. Summary of the Utility Model
[0004] The purpose of the utility model aims to solve at least one of the technical defects.
[0005] Therefore, an object of the utility model is to provide a mobile platform ladder for water conservancy construction to solve the problems mentioned in the background art and overcome the deficiencies existing in the prior art.
[0006] To achieve the above object, an embodiment of one aspect of the utility model provides a mobile platform ladder for water conservancy construction, including a climbing ladder and a main platform. The top end of the climbing ladder is fixedly connected to the main platform, and a first guardrail is fixedly connected to the same-side edges of the climbing ladder and the main platform.
[0007] A second guardrail is fixedly connected to the edge of the top surface of the main platform. The main platform is a hollow structure, and a sub-platform is movably connected inside the main platform.
[0008] A third guardrail is fixedly connected to the edge of the top surface of the sub-platform, and the third guardrail is movably connected to the second guardrail.
[0009] The bottom of the main platform is fixedly connected to a main rod, and the main rod is a hollow structure. A sub-rod is movably connected inside the main rod.
[0010] The sub-rod is fixedly connected below the sub-platform, and a handle is fixedly connected to the bottom of the sub-platform.
[0011] Universal wheels are installed at the bottom end of the climbing ladder, the end of the main rod located below, and the end of the sub-rod located below.
[0012] One end of the main rod is fixedly connected with a cross bar. A guide sleeve is fixedly connected to the side surface of the cross bar. A latch pin is movably connected inside the guide sleeve. A plurality of retaining pieces are fixedly connected to the side surface of the cross bar.
[0013] Locking holes are formed at both ends of the auxiliary rod located below. The latch pin is inserted into any one of the locking holes.
[0014] Preferably, according to any of the above solutions, the top end of the ladder is welded to the main platform, and the included angle between the ladder and the main platform is an obtuse angle.
[0015] Adopting the above technical solution: This device is specifically used in the field of water conservancy construction, and is specifically a movable platform ladder. Construction workers can climb to high places through this device and carry out construction operations on the main platform and the auxiliary platform.
[0016] Preferably, according to any of the above solutions, the first guardrail is welded to the second guardrail. A plurality of support rods are fixedly connected to the bottom of the auxiliary platform, and the support rods are welded to the auxiliary rod.
[0017] Adopting the above technical solution: This device is composed of three parts. One is the ladder part, through which one can climb onto the main platform and the auxiliary platform;
[0018] The second is the main platform part, which is a construction platform. The third is the auxiliary platform part, which is also a construction platform.
[0019] Preferably, according to any of the above solutions, the auxiliary platform can be retracted into the main platform.
[0020] Preferably, according to any of the above solutions, a limiting plate is integrated on the universal wheel, and a total of eight universal wheels are provided.
[0021] Adopting the above technical solution: The core structure of this device is: the main platform, the second guardrail, the auxiliary platform, the third guardrail, the main rod, the auxiliary rod, the handle, the universal wheel, the cross bar, the guide sleeve, the latch pin, the retaining piece and the locking hole. The core advantages of this device are: This device has a large construction operation platform, with a larger operation space and more convenient construction. At the same time, the construction operation platform can be retracted. The auxiliary platform can be retracted into the main platform, the third guardrail can be retracted into the second guardrail, and the auxiliary rod can be retracted into the main rod, and is positioned with a quickly locked latch pin. At this time, the volume of the entire device is greatly reduced, making it more convenient to move and place, and can easily pass through narrow places, effectively solving the problems existing in the prior art.
[0022] Preferably, according to any of the above solutions, the latch pin is L-shaped. A total of two groups of latch pin mechanisms are provided. The retaining piece is of a three-section type and has two positioning points for the latch pin.
[0023] Adopting the above technical solution: When the latch pin is inserted into the locking hole at the outer end of the auxiliary rod, the auxiliary platform is in the retracted state. When the latch pin is inserted into the locking hole at the inner end of the auxiliary rod, the auxiliary platform is in the maximum extended state.
[0024] Compared with the prior art, the advantages and beneficial effects of the present utility model are as follows:
[0025] For this mobile platform ladder for water conservancy construction, through the cooperative setting of the main platform, the second guardrail, the auxiliary platform, the third guardrail, the main rod, the auxiliary rod, the handle, the universal wheels, the cross bar, the guide sleeve, the bolt, the retaining piece and the locking hole, this device has a large-area construction operation platform, a larger operation space, and more convenient construction. At the same time, the construction operation platform can be retracted, the auxiliary platform can be retracted into the main platform, the third guardrail can be retracted into the second guardrail, and the auxiliary rod can be retracted into the main rod, and positioned with a bolt for quick locking. At this time, the volume of the whole device is greatly reduced, making it more convenient to move and place, and it can easily pass through narrow places, effectively solving the problems existing in the prior art.
[0026] The additional aspects and advantages of the present utility model will be partially given in the following description, partially will become obvious from the following description, or be understood through the practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] The above and / or additional aspects and advantages of the present utility model will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, where:
[0028] Figure 1 is a schematic structural diagram of the first perspective of the present utility model;
[0029] Figure 2 is a schematic structural diagram of the second perspective of the present utility model;
[0030] Figure 3 is a schematic structural diagram of the third perspective of the present utility model;
[0031] Figure 4 is the present utility model Figure 2 an enlarged schematic structural diagram of part A in.
[0032] In the figure: 1 - climbing ladder, 2 - main platform, 3 - first guardrail, 4 - second guardrail, 5 - auxiliary platform, 6 - third guardrail, 7 - main rod, 8 - auxiliary rod, 9 - handle, 10 - universal wheels, 11 - cross bar, 12 - guide sleeve, 13 - bolt, 14 - retaining piece, 15 - locking hole. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0033] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present utility model, and should not be construed as limiting the present utility model.
[0034] In the present utility model, unless otherwise clearly stipulated and defined, terms such as "installation", "connection", "linkage", "fixation" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be a direct connection or an indirect connection through an intermediate medium, and it may be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0035] As Figures 1-4 shown, the mobile platform ladder for water conservancy construction includes a climbing ladder 1 and a main platform 2. The top end of the climbing ladder 1 is fixedly connected to the main platform 2, and a first guardrail 3 is fixedly connected to the same-side edges of the climbing ladder 1 and the main platform 2.
[0036] A second guardrail 4 is fixedly connected to the top surface edge of the main platform 2. The main platform 2 is a hollow structure, and a secondary platform 5 is movably connected inside the main platform 2.
[0037] A third guardrail 6 is fixedly connected to the top surface edge of the secondary platform 5, and the third guardrail 6 is movably connected to the second guardrail 4.
[0038] A main rod 7 is fixedly connected to the bottom of the main platform 2. The main rod 7 is a hollow structure, and a secondary rod 8 is movably connected inside the main rod 7.
[0039] The secondary rod 8 is fixedly connected below the secondary platform 5, and a handle 9 is fixedly connected to the bottom of the secondary platform 5.
[0040] Universal wheels 10 are installed at the bottom end of the climbing ladder 1, the end of the main rod 7 located below, and the end of the secondary rod 8 located below.
[0041] A cross bar 11 is fixedly connected to the end of the main rod 7. A guide sleeve 12 is fixedly connected to the side surface of the cross bar 11. A pin 13 is movably connected inside the guide sleeve 12, and several retaining pieces 14 are fixedly connected to the side surface of the cross bar 11.
[0042] Locking holes 15 are formed at both ends of the secondary rod 8 located below, and the pin 13 is inserted into any one of the locking holes 15.
[0043] Embodiment 1: The top end of the climbing ladder 1 is welded to the main platform 2, and the included angle between the climbing ladder 1 and the main platform 2 is an obtuse angle. This device is specifically used in the field of water conservancy construction, and is a movable platform ladder. Construction workers can climb to a high place through this device and carry out construction operations on the main platform 2 and the secondary platform 5. The first guardrail 3 is welded to the second guardrail 4, and several support rods are fixedly connected to the bottom of the secondary platform 5 and the support rods are welded to the secondary rod 8.
[0044] Embodiment 2: This device consists of three parts. One is the climbing ladder 1 part, through which one can climb onto the main platform 2 and the secondary platform 5.
[0045] Second is the main platform 2 part, which is the construction platform, and third is the secondary platform 5 part, which is the construction platform.
[0046] Preferably, according to any of the above solutions, the secondary platform 5 can be retracted into the main platform 2. The universal wheels 10 are integrated with limit plates, and a total of eight universal wheels 10 are provided. Among them, six universal wheels 10 are correspondingly arranged under the main platform 2, and two universal wheels 10 are correspondingly arranged under the secondary platform 5. The shape of the bolt 13 is L-shaped, and a total of two groups of bolt 13 mechanisms are provided. The retaining piece 14 is of a three-section type and is provided with two positioning points for the bolt 13. When the bolt 13 is inserted into the locking hole 15 at the outer end of the secondary rod 8, the secondary platform 5 is in the retracted state. When the bolt 13 is inserted into the locking hole 15 at the inner end of the secondary rod 8, the secondary platform 5 is in the maximum external state.
[0047] The working principle of the present utility model is as follows:
[0048] Pull out the secondary platform 5 through the handle 9. The third guardrail 6 is movably connected to the second guardrail 4, and the secondary rod 8 is movably connected to the main rod 7;
[0049] Insert the bolt 13 into the locking hole 15 at the inner end of the secondary rod 8 to lock the position of the secondary platform 5;
[0050] The staff climbs onto the main platform 2 and the secondary platform 5 through the ladder 1 to carry out construction operations;
[0051] After the construction is completed, the secondary platform 5 can be retracted into the main platform 2, the third guardrail 6 is retracted into the second guardrail 4, the secondary rod 8 is retracted into the main rod 7, and the position is fixed with the quickly locked bolt 13. At this time, the volume of the entire device is greatly reduced, making it more convenient to move and place, and it can easily pass through narrow places.
[0052] Compared with the prior art, the present utility model has the following beneficial effects compared with the prior art:
[0053] Through the cooperative setting of the main platform 2, the second guardrail 4, the secondary platform 5, the third guardrail 6, the main rod 7, the secondary rod 8, the handle 9, the universal wheels 10, the cross bar 11, the guide sleeve 12, the bolt 13, the retaining piece 14 and the locking hole 15, this device has a large construction operation platform, a larger operation space, and more convenient construction. At the same time, the construction operation platform can be retracted. The secondary platform 5 can be retracted into the main platform 2, the third guardrail 6 is retracted into the second guardrail 4, the secondary rod 8 is retracted into the main rod 7, and the position is fixed with the quickly locked bolt 13. At this time, the volume of the entire device is greatly reduced, making it more convenient to move and place, and it can easily pass through narrow places, effectively solving the problems existing in the prior art.
Claims
1. A mobile platform ladder for water conservancy construction, comprising a climbing ladder (1) and a main platform (2). The top end of the climbing ladder (1) is fixedly connected to the main platform (2), and it is characterized in that, On the same-side edges of the ladder (1) and the main platform (2), a first guardrail (3) is fixedly connected; at the top-edge of the main platform (2), a second guardrail (4) is fixedly connected. The main platform (2) is of a hollow structure, and a secondary platform (5) is movably connected inside the main platform (2). At the top-edge of the secondary platform (5), a third guardrail (6) is fixedly connected, and the third guardrail (6) is movably connected to the second guardrail (4). At the bottom of the main platform (2), a main rod (7) is fixedly connected. The main rod (7) is of a hollow structure, and a secondary rod (8) is movably connected inside the main rod (7). The secondary rod (8) is fixedly connected below the secondary platform (5), and a handle (9) is fixedly connected to the bottom of the secondary platform (5). At the bottom end of the ladder (1), at the end of the lower main rod (7), and at the end of the lower secondary rod (8), universal wheels (10) are installed; at the end of the main rod (7), a cross bar (11) is fixedly connected. On the side of the cross bar (11), a guide sleeve (12) is fixedly connected. Inside the guide sleeve (12), a bolt (13) is movably connected. On the side of the cross bar (11), a number of retaining plates (14) are fixedly connected; at both ends of the lower secondary rod (8), locking holes (15) are formed, and the bolt (13) is inserted into any one of the locking holes (15).
2. The mobile platform ladder for water conservancy construction according to claim 1, characterized in that: The top end of the ladder (1) is welded to the main platform (2), and the included angle between the ladder (1) and the main platform (2) is an obtuse angle.
3. The mobile platform ladder for water conservancy construction according to claim 2, characterized in that: The first guardrail (3) is welded to the second guardrail (4), and a number of support rods are fixedly connected to the bottom of the secondary platform (5) and the support rods are welded to the secondary rod (8).
4. The mobile platform ladder for water conservancy construction according to claim 3, wherein: The secondary platform (5) can be retracted into the main platform (2).
5. The mobile platform ladder for water conservancy construction according to claim 4, characterized in that: The universal wheels (10) are integrated with limit plates, and a total of eight universal wheels (10) are provided.
6. The mobile platform ladder for water conservancy construction according to claim 5, wherein: The shape of the bolt (13) is L-shaped, and a total of two sets of bolt (13) mechanisms are provided. The retaining plate (14) is of a three-section type and has two positioning points for the bolt (13).