Movable ladder stand for building construction

By designing a detachable pedal and stable structure, the problem of difficult replacement of ladder pedals on existing mobile platforms is solved, and the rapid replacement and stable use of ladders is achieved, which improves construction efficiency and safety.

CN222227896UInactive Publication Date: 2024-12-24HEBEI GUANGLUAN CONSTRUCTION ENGINEERING CO LTD
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Patent Information

Application Number
CN202420998305.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-10
Publication Date
2024-12-24
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The pedals of the existing mobile platform ladder are inconvenient to disassemble, which makes it difficult to replace when damaged, affecting the normal use of the ladder.

Method used

A movable ladder including a moving base, an oblique strut, a pedal, a support frame, a support frame and a drive screw are designed. The pedal and the oblique strut are removably connected, and a press rod is provided at the bottom of the support frame to stabilize. Ladder, universal wheel is easy to move.

Benefits of technology

It realizes rapid replacement of pedals and stable use of ladders, improves the flexibility and service life of ladders, and at the same time, protects construction tools through fences, ensuring the stable work of staff.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a movable ladder stand for building construction, which comprises a movable base, inclined support rods are symmetrically arranged on two sides of the front end of the movable base, a plurality of pedals are arranged between the two inclined support rods from top to bottom, the pedals are detachably connected with the inclined support rods, the top ends of the two inclined support rods are connected with a bearing table, and the bearing table is connected with a movable base. A supporting frame is installed at the rear end of the bottom face of the bearing table and detachably connected with the bearing table, a pressing rod and a driving screw rod are installed at the bottom end of the supporting frame, the bottom end of the driving screw rod is rotationally connected with the pressing rod, the driving screw rod is in threaded connection with the supporting frame, and the driving screw rod is used for driving the pressing rod to move up and down. A plurality of pedals are uniformly arranged between the two inclined supporting rods of the movable base from bottom to top, and the pedals and the inclined supporting rods are detachably connected, so that the pedals can be conveniently and quickly replaced when the pedals are damaged, the pedals can be conveniently and flexibly used, and the movable ladder stand can be conveniently and flexibly used; a supporting frame is arranged at the rear end of the movable base.
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Description

Technical Field

[0001] The utility model relates to the technical field of ladders, in particular to a movable ladder for building construction. Background Art

[0002] In the process of building construction, ladders are often needed to assist workers in construction at higher places of buildings. In order to facilitate construction, some ladders are designed to be movable, so that workers can efficiently carry out construction at higher places of buildings.

[0003] The Chinese patent authorization announcement number CN220748112U discloses a mobile platform ladder, including a base, the lower end of the base is movably connected with four rollers, the upper left end of the base is fixedly installed with two support vertical plates, the upper right end of the base is fixedly installed with two support inclined plates, the upper ends of the support vertical plates and the support inclined plates are jointly fixedly installed with a support platform, the opposite surfaces of the two support inclined plates are fixedly installed with a number of support cross plates, the lower end of the adjustment component is fixedly installed with a stabilizing plate, the upper end of the stabilizing plate is provided with two through holes, the upper end of the adjustment component is provided with a pushing component, and the lower end of the pushing component is fixedly installed with two stabilizing rods, aiming to solve the problem of poor stability of the platform ladder. This mobile platform ladder contacts the ground when moving downward through the stabilizing plate, increasing the contact surface between the ladder and the ground, and the larger contact surface can disperse the weight of the platform ladder and reduce the risk of overturning.

[0004] The pedals of the mobile platform ladder provided by the above patent are not convenient to disassemble. Long-term use of the ladder for construction may easily cause the pedals to be damaged. It is very troublesome to replace the damaged pedals separately, which affects the normal use of the ladder. Utility Model Content

[0005] The utility model aims to provide a movable ladder for construction, aiming to improve the problem that the pedals of the existing movable platform ladder are inconvenient to replace when damaged, thus affecting the normal use of the ladder.

[0006] The utility model is achieved in this way:

[0007] A movable climbing ladder for construction construction comprises a movable base, diagonal support rods are symmetrically provided on both sides of the front end of the movable base, a plurality of pedals are provided between two of the diagonal support rods from top to bottom, the pedals are detachably connected to the diagonal support rods, the top ends of the two diagonal support rods are connected to a supporting platform, a supporting frame is installed at the rear end of the bottom surface of the supporting platform, the supporting frame and the supporting platform are detachably connected, and a pressure rod and a driving screw are installed at the bottom end of the supporting frame, the bottom end of the driving screw is rotatably connected to the pressure rod, and the driving screw is threadedly connected to the support frame, and the driving screw is used to drive the pressure rod to move up and down.

[0008] Preferably, universal wheels are provided at the corners of the bottom surface of the movable base, a plurality of slots are provided on the opposite sides of the two diagonal support rods from bottom to top, mounting slots are provided at the top and bottom ends of the diagonal support rods, a slide slot is provided at the rear end of the bottom surface of the support platform, connecting slots are symmetrically provided on both sides of the upper surface of the support platform, and top screws are provided at the positions where the sides of the support platform and the diagonal support rods are aligned with the slide slots, connecting slots and mounting slots.

[0009] Preferably, bayonet holes are symmetrically provided on both sides of the pedal, a positioning plate is provided on the outer side of the bayonet hole, a positioning knob is provided on the outer side of the positioning plate, and the bayonet holes are aligned with the slots and are engaged on the diagonal support rod.

[0010] Preferably, slots are symmetrically provided on both sides of the bottom end of the support frame, and a threaded hole is provided in the middle of the bottom surface of the support frame. A slide rod is provided at the top end of the support frame, and the slide rod is in a T-shaped structure, and the slide rod is engaged in the inner side of the slide groove.

[0011] Preferably, insertion rods are symmetrically provided on both sides of the top of the pressure rod, and a rubber pad is provided on the bottom surface of the pressure rod. A conversion joint is provided in the middle of the upper surface of the pressure rod, and a bearing is provided in the middle of the conversion joint.

[0012] Preferably, a connecting shaft is provided at the bottom end of the driving screw rod, the connecting shaft is rotatably connected to a bearing, and a rotating handle is provided at the top end of the driving screw rod.

[0013] Preferably, the diagonal support rod is provided with a handrail, the bottoms of both ends of the handrail are provided with connecting heads, the bottom surface of the connecting head is provided with an inserting plate, and the inserting plate is inserted into the inner side of the mounting groove.

[0014] Preferably, an enclosure is provided on the upper surface of the supporting platform, connecting plates are symmetrically provided on both sides of the bottom surface of the enclosure, the bottom surface of the connecting plate is inserted into the connecting groove, and pull openings are provided on the top of both sides of the enclosure.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. A plurality of pedals are evenly arranged between the two diagonal braces of the mobile base of the utility model from bottom to top, and the pedals and the diagonal braces are detachably connected, so that the pedals can be quickly replaced when they are damaged, which is convenient for the flexible use of the pedals and the flexible use of the mobile ladder; at the same time, a support frame is arranged at the rear end of the mobile base, and a pressure rod is arranged at the bottom end of the support frame, which is against the ground, thereby ensuring the stable use of the entire mobile ladder.

[0017] 2. The two diagonal support rods of the mobile base of the utility model are both provided with handrails, and the handrails are detachably connected to the diagonal support rods, so that the diagonal support rods can be flexibly disassembled and assembled according to usage requirements.

[0018] 3. The top of the supporting platform of the utility model is provided with a fence, which can protect the construction tools from falling off the supporting platform easily, thereby ensuring stable work for the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a structural schematic diagram of the mobile base of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the pedal of the utility model;

[0022] Figure 4 It is a structural schematic diagram of the support frame of the utility model;

[0023] Figure 5 It is a structural schematic diagram of the pressure rod of the utility model;

[0024] Figure 6 It is a structural schematic diagram of the driving screw of the utility model;

[0025] Figure 7 It is a structural schematic diagram of the handrail of the utility model;

[0026] Figure 8 It is a structural schematic diagram of the enclosure of the utility model.

[0027] In the figure: 1. Mobile base; 11. Universal wheel; 12. Diagonal support rod; 13. Card slot; 14. Mounting slot; 15. Support platform; 16. Slide slot; 17. Connecting slot; 18. Top screw; 2. Pedal; 21. Card slot; 22. Positioning plate; 23. Positioning knob; 3. Support frame; 31. Slot; 32. Threaded hole; 33. Slide rod; 4. Pressure rod; 41. Rubber pad; 42. Adapter; 43. Bearing; 44. Insert rod; 5. Drive screw; 51. Connecting shaft; 52. Rotating handle; 6. Handrail; 61. Connector; 62. Insert plate; 7. Enclosure; 71. Pull mouth; 72. Connecting plate. DETAILED DESCRIPTION

[0028] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] The following is a further description with reference to the accompanying drawings and specific embodiments:

[0030] Example 1

[0031] like Figure 1 and Figure 2 As shown, a movable ladder for construction includes a movable base 1, which facilitates the flexible movement and use of the entire movable ladder. Diagonal braces 12 are symmetrically provided on both sides of the front end of the movable base 1, and a plurality of pedals 2 are provided between the two diagonal braces 12 from top to bottom. The pedals 2 and the diagonal braces 12 are detachably connected, and the diagonal braces 12 are used to install the pedals 2, which is convenient for the assembly of the pedals 2, and also convenient for the disassembly and use of the pedals 2. A supporting platform 15 is connected to the top of the two diagonal braces 12, and the supporting platform 15 is used to support workers and their tools. A supporting frame 3 is installed at the rear end of the bottom surface of the supporting platform 15, and the supporting frame 3 and the supporting platform are detachably connected. The supporting frame 3 is used to adjust the position of the supporting platform 15 to ensure the stability of the supporting platform 15. A pressure rod 4 and a driving screw 5 are installed at the bottom of the support frame 3. The bottom of the driving screw 5 is rotatably connected to the pressure rod 4. The driving screw 5 drives the pressure rod 4 to press against the bottom surface, so that the pressure rod 4 can be pressed against the bottom surface to ensure that the support platform 15 and the entire ladder are stable at the specified position. The driving screw 5 is threadedly connected to the support frame 3, and the driving screw 5 is used to drive the pressure rod 4 to move up and down.

[0032] like Figure 2 As shown, universal wheels 11 are provided at the corners of the bottom surface of the mobile base 1, and the universal wheels 11 facilitate the left and right movement of the mobile base 1. Multiple card slots 13 are provided on the opposite sides of the two diagonal support rods 12 from bottom to top, and the card slots 13 are convenient for installing the pedal 2 and also convenient for the disassembly and assembly of the pedal 2. The top and bottom ends of the diagonal support rods 12 are provided with mounting grooves 14, and the mounting grooves 14 are convenient for installing external components. A slide groove 16 is provided at the rear end of the bottom surface of the support platform 15, and the slide groove 16 is convenient for installing the support frame 3. Connecting grooves 17 are symmetrically provided on both sides of the upper surface of the support platform 15, and the connecting grooves 17 are convenient for installing other components. Top screws 18 are provided at the positions where the sides of the support platform 15 and the diagonal support rods 12 are aligned with the slide grooves 16, the connecting grooves 17 and the mounting grooves 14, and the top screws 18 are used to fix the positions of various components.

[0033] like Figure 3 As shown, the pedal 2 is symmetrically provided with bayonet 21 on both sides, and the bayonet 21 is used to be engaged with the diagonal support rod 12. A positioning plate 22 is provided outside the bayonet 21, and a positioning knob 23 is provided on the outer side of the positioning plate 22. The positioning plate 22 and the positioning knob 23 are used to fix the position of the pedal 2, thereby ensuring the stability of the pedal 2. The bayonet 21 is aligned with the card slot 13 and engaged with the diagonal support rod 12.

[0034] like Figure 4As shown, slots 31 are symmetrically arranged on both sides of the bottom of the support frame 3, and the slots 31 are convenient for connecting the support frame 3 with the pressure rod 4. A threaded hole 32 is arranged in the middle of the bottom surface of the support frame 3, and the threaded hole 32 is used to install the driving screw 5, so that the driving screw 5 can drive the pressure rod 4 to move up and down. A sliding rod 33 is arranged at the top of the support frame 3, and the sliding rod 33 is a T-shaped structure, and the sliding rod 33 is engaged with the inner side of the sliding groove 16; this structure ensures that the support frame 3 is stably connected to the support platform 15.

[0035] like Figure 5 As shown, the top of the pressure rod 4 is symmetrically provided with plug rods 44 on both sides, and the plug rods 44 are used to connect with the slots 31. A rubber pad 41 is provided on the bottom of the pressure rod 4, and the rubber pad 41 is used to increase the friction between the pressure rod 4 and the ground. An adapter 42 is provided in the middle of the upper surface of the pressure rod 4, and a bearing 43 is provided in the middle of the adapter 42; the cooperation between the adapter 42 and the bearing 43 is convenient for the rotation connection between the pressure rod 4 and the driving screw 5.

[0036] like Figure 6 As shown, a connecting shaft 51 is provided at the bottom of the driving screw 5, and the connecting shaft 51 is rotatably connected to the bearing 43, so that the driving screw 5 can drive the pressing rod 4 to move up and down. A rotating handle 52 is provided at the top of the driving screw 5, and the rotating handle 52 is convenient for rotating the driving screw 5, so that the driving screw 5 can drive the pressing rod 4 to move up and down.

[0037] Working principle: when in use, the pedal 2 is installed on the mobile base 1 according to the use requirements, and the components set by the support frame 3, the pressure rod 4 and the driving screw 5 are installed on the bottom surface of the support platform 15, and then the universal wheel 11 is braked after the entire ladder is moved to a suitable position, and then the pressure rod 4 is driven by the driving screw 5 to press it on the ground; then the staff can climb up the ladder to construct the building; when the pedal 2 is damaged, the corresponding pedal 2 can be directly disassembled and replaced, and the operation is simple and convenient. Compared with the prior art, a plurality of pedals 2 are evenly arranged from bottom to top between the two diagonal braces 12 of the mobile base 1 of the present application, and the pedals 2 and the diagonal braces 12 are detachably connected, so that the pedals 2 can be quickly replaced when the pedals 2 are damaged, which is convenient for the flexible use of the pedals 2 and the flexible use of the mobile ladder; at the same time, the rear end of the mobile base 1 is provided with a support frame 3, and the bottom end of the support frame 3 is provided with a pressure rod 4, and the pressure rod 4 is against the ground, thereby ensuring the stable use of the entire mobile ladder.

[0038] Example 2

[0039] like Figure 1 and Figure 2As shown, a movable ladder for construction includes a movable base 1, which facilitates the flexible movement and use of the entire movable ladder. Diagonal braces 12 are symmetrically provided on both sides of the front end of the movable base 1, and a plurality of pedals 2 are provided between the two diagonal braces 12 from top to bottom. The pedals 2 and the diagonal braces 12 are detachably connected, and the diagonal braces 12 are used to install the pedals 2, which is convenient for the assembly of the pedals 2, and also convenient for the disassembly and use of the pedals 2. A supporting platform 15 is connected to the top of the two diagonal braces 12, and the supporting platform 15 is used to support workers and their tools. A supporting frame 3 is installed at the rear end of the bottom surface of the supporting platform 15, and the supporting frame 3 and the supporting platform are detachably connected. The supporting frame 3 is used to adjust the position of the supporting platform 15 to ensure the stability of the supporting platform 15. A pressure rod 4 and a driving screw 5 are installed at the bottom of the support frame 3. The bottom of the driving screw 5 is rotatably connected to the pressure rod 4. The driving screw 5 drives the pressure rod 4 to press against the bottom surface, so that the pressure rod 4 can be pressed against the bottom surface to ensure that the support platform 15 and the entire ladder are stable at the specified position. The driving screw 5 is threadedly connected to the support frame 3, and the driving screw 5 is used to drive the pressure rod 4 to move up and down.

[0040] like Figure 2 As shown, universal wheels 11 are provided at the corners of the bottom surface of the mobile base 1, and the universal wheels 11 facilitate the left and right movement of the mobile base 1. Multiple card slots 13 are provided on the opposite sides of the two diagonal support rods 12 from bottom to top, and the card slots 13 are convenient for installing the pedal 2 and also convenient for the disassembly and assembly of the pedal 2. The top and bottom ends of the diagonal support rods 12 are provided with mounting grooves 14, and the mounting grooves 14 are convenient for installing external components. A slide groove 16 is provided at the rear end of the bottom surface of the support platform 15, and the slide groove 16 is convenient for installing the support frame 3. Connecting grooves 17 are symmetrically provided on both sides of the upper surface of the support platform 15, and the connecting grooves 17 are convenient for installing other components. Top screws 18 are provided at the positions where the sides of the support platform 15 and the diagonal support rods 12 are aligned with the slide grooves 16, the connecting grooves 17 and the mounting grooves 14, and the top screws 18 are used to fix the positions of various components.

[0041] like Figure 3 As shown, the pedal 2 is symmetrically provided with bayonet 21 on both sides, and the bayonet 21 is used to be engaged with the diagonal support rod 12. A positioning plate 22 is provided outside the bayonet 21, and a positioning knob 23 is provided on the outer side of the positioning plate 22. The positioning plate 22 and the positioning knob 23 are used to fix the position of the pedal 2, thereby ensuring the stability of the pedal 2. The bayonet 21 is aligned with the card slot 13 and engaged with the diagonal support rod 12.

[0042] like Figure 4 As shown, slots 31 are symmetrically arranged on both sides of the bottom of the support frame 3, and the slots 31 are convenient for connecting the support frame 3 with the pressure rod 4. A threaded hole 32 is arranged in the middle of the bottom surface of the support frame 3, and the threaded hole 32 is used to install the driving screw 5, so that the driving screw 5 can drive the pressure rod 4 to move up and down. A sliding rod 33 is arranged at the top of the support frame 3, and the sliding rod 33 is a T-shaped structure, and the sliding rod 33 is engaged with the inner side of the sliding groove 16; this structure ensures that the support frame 3 is stably connected to the support platform 15.

[0043] like Figure 5 As shown, the top of the pressure rod 4 is symmetrically provided with plug rods 44 on both sides, and the plug rods 44 are used to connect with the slots 31. A rubber pad 41 is provided on the bottom of the pressure rod 4, and the rubber pad 41 is used to increase the friction between the pressure rod 4 and the ground. An adapter 42 is provided in the middle of the upper surface of the pressure rod 4, and a bearing 43 is provided in the middle of the adapter 42; the cooperation between the adapter 42 and the bearing 43 is convenient for the rotation connection between the pressure rod 4 and the driving screw 5.

[0044] like Figure 6 As shown, a connecting shaft 51 is provided at the bottom of the driving screw 5, and the connecting shaft 51 is rotatably connected to the bearing 43, so that the driving screw 5 can drive the pressing rod 4 to move up and down. A rotating handle 52 is provided at the top of the driving screw 5, and the rotating handle 52 is convenient for rotating the driving screw 5, so that the driving screw 5 can drive the pressing rod 4 to move up and down.

[0045] like Figure 7 As shown, a handrail 6 is provided on the diagonal brace 12, and a connecting head 61 is provided at the bottom of both ends of the handrail 6. An insert plate 62 is provided on the bottom of the connecting head 61, and the insert plate 62 is inserted into the inner side of the installation groove 14; the connecting head 61 cooperates with the insert plate 62 to facilitate the connection between the handrail 6 and the diagonal brace 12, and to facilitate the disassembly, assembly and use of the handrail 6.

[0046] Example 3

[0047] like Figure 1 and Figure 2 As shown, a movable ladder for construction includes a movable base 1, which facilitates the flexible movement and use of the entire movable ladder. Diagonal braces 12 are symmetrically provided on both sides of the front end of the movable base 1, and a plurality of pedals 2 are provided between the two diagonal braces 12 from top to bottom. The pedals 2 and the diagonal braces 12 are detachably connected, and the diagonal braces 12 are used to install the pedals 2, which is convenient for the assembly of the pedals 2, and also convenient for the disassembly and use of the pedals 2. A supporting platform 15 is connected to the top of the two diagonal braces 12, and the supporting platform 15 is used to support workers and their tools. A supporting frame 3 is installed at the rear end of the bottom surface of the supporting platform 15, and the supporting frame 3 and the supporting platform are detachably connected. The supporting frame 3 is used to adjust the position of the supporting platform 15 to ensure the stability of the supporting platform 15. A pressure rod 4 and a driving screw 5 are installed at the bottom of the support frame 3. The bottom of the driving screw 5 is rotatably connected to the pressure rod 4. The driving screw 5 drives the pressure rod 4 to press against the bottom surface, so that the pressure rod 4 can be pressed against the bottom surface to ensure that the support platform 15 and the entire ladder are stable at the specified position. The driving screw 5 is threadedly connected to the support frame 3, and the driving screw 5 is used to drive the pressure rod 4 to move up and down.

[0048] like Figure 2As shown, universal wheels 11 are provided at the corners of the bottom surface of the mobile base 1, and the universal wheels 11 facilitate the left and right movement of the mobile base 1. Multiple card slots 13 are provided on the opposite sides of the two diagonal support rods 12 from bottom to top, and the card slots 13 are convenient for installing the pedal 2 and also convenient for the disassembly and assembly of the pedal 2. The top and bottom ends of the diagonal support rods 12 are provided with mounting grooves 14, and the mounting grooves 14 are convenient for installing external components. A slide groove 16 is provided at the rear end of the bottom surface of the support platform 15, and the slide groove 16 is convenient for installing the support frame 3. Connecting grooves 17 are symmetrically provided on both sides of the upper surface of the support platform 15, and the connecting grooves 17 are convenient for installing other components. Top screws 18 are provided at the positions where the sides of the support platform 15 and the diagonal support rods 12 are aligned with the slide grooves 16, the connecting grooves 17 and the mounting grooves 14, and the top screws 18 are used to fix the positions of various components.

[0049] like Figure 3 As shown, the pedal 2 is symmetrically provided with bayonet 21 on both sides, and the bayonet 21 is used to be engaged with the diagonal support rod 12. A positioning plate 22 is provided outside the bayonet 21, and a positioning knob 23 is provided on the outer side of the positioning plate 22. The positioning plate 22 and the positioning knob 23 are used to fix the position of the pedal 2, thereby ensuring the stability of the pedal 2. The bayonet 21 is aligned with the card slot 13 and engaged with the diagonal support rod 12.

[0050] like Figure 4 As shown, slots 31 are symmetrically arranged on both sides of the bottom of the support frame 3, and the slots 31 are convenient for connecting the support frame 3 with the pressure rod 4. A threaded hole 32 is arranged in the middle of the bottom surface of the support frame 3, and the threaded hole 32 is used to install the driving screw 5, so that the driving screw 5 can drive the pressure rod 4 to move up and down. A sliding rod 33 is arranged at the top of the support frame 3, and the sliding rod 33 is a T-shaped structure, and the sliding rod 33 is engaged with the inner side of the sliding groove 16; this structure ensures that the support frame 3 is stably connected to the support platform 15.

[0051] like Figure 5 As shown, the top of the pressure rod 4 is symmetrically provided with plug rods 44 on both sides, and the plug rods 44 are used to connect with the slots 31. A rubber pad 41 is provided on the bottom of the pressure rod 4, and the rubber pad 41 is used to increase the friction between the pressure rod 4 and the ground. An adapter 42 is provided in the middle of the upper surface of the pressure rod 4, and a bearing 43 is provided in the middle of the adapter 42; the cooperation between the adapter 42 and the bearing 43 is convenient for the rotation connection between the pressure rod 4 and the driving screw 5.

[0052] like Figure 6 As shown, a connecting shaft 51 is provided at the bottom of the driving screw 5, and the connecting shaft 51 is rotatably connected to the bearing 43, so that the driving screw 5 can drive the pressing rod 4 to move up and down. A rotating handle 52 is provided at the top of the driving screw 5, and the rotating handle 52 is convenient for rotating the driving screw 5, so that the driving screw 5 can drive the pressing rod 4 to move up and down.

[0053] like Figure 7As shown, a handrail 6 is provided on the diagonal brace 12, and a connecting head 61 is provided at the bottom of both ends of the handrail 6. An insert plate 62 is provided on the bottom of the connecting head 61, and the insert plate 62 is inserted into the inner side of the installation groove 14; the connecting head 61 cooperates with the insert plate 62 to facilitate the connection between the handrail 6 and the diagonal brace 12, and to facilitate the disassembly, assembly and use of the handrail 6.

[0054] like Figure 8 As shown, the upper surface of the support platform 15 is provided with a fence 7, which is convenient for connecting with the support platform 15 and convenient for the fence 7 to prevent the tool from falling. Connecting plates 72 are symmetrically provided on both sides of the bottom surface of the fence 7, and the bottom surface of the connecting plate 72 is inserted into the connection groove 17. Pull-outs 71 are provided on the top of both sides of the fence 7, which are convenient for disassembly and assembly of the fence 7 and convenient for use of the fence 7.

[0055] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be modified and varied in various ways. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A movable ladder for construction, comprising a movable base (1), characterized in that: The front ends of the movable base (1) are symmetrically provided with diagonal support rods (12), a plurality of pedals (2) are provided between the two diagonal support rods (12) from top to bottom, the pedals (2) and the diagonal support rods (12) are detachably connected, the top ends of the two diagonal support rods (12) are connected with a supporting platform (15), the rear end of the bottom surface of the supporting platform (15) is equipped with a supporting frame (3), the supporting frame (3) and the supporting platform are detachably connected, and a pressure rod (4) and a driving screw (5) are installed at the bottom end of the supporting frame (3), the bottom end of the driving screw (5) is rotatably connected to the pressure rod (4), and the driving screw (5) and the supporting frame (3) are threadedly connected, and the driving screw (5) is used to drive the pressure rod (4) to move up and down.

2. A movable ladder for construction according to claim 1, characterized in that: Universal wheels (11) are provided at the corners of the bottom surface of the movable base (1), a plurality of slots (13) are provided on the opposite sides of the two diagonal support rods (12) from bottom to top, the top and bottom ends of the diagonal support rods (12) are provided with mounting slots (14), a slide slot (16) is provided at the rear end of the bottom surface of the support platform (15), connecting slots (17) are symmetrically provided on both sides of the upper surface of the support platform (15), and top screws (18) are provided at the positions where the sides of the support platform (15) and the diagonal support rods (12) are aligned with the slide slots (16), the connecting slots (17) and the mounting slots (14).

3. A movable ladder for construction according to claim 1, characterized in that: The pedal (2) is symmetrically provided with bayonet holes (21) on both sides, a positioning plate (22) is provided on the outside of the bayonet holes (21), a positioning knob (23) is provided on the outside of the positioning plate (22), and the bayonet holes (21) are aligned with the slots (13) and are engaged with the diagonal support rods (12).

4. A movable ladder for construction according to claim 2, characterized in that: Slots (31) are symmetrically arranged on both sides of the bottom end of the support frame (3), and a threaded hole (32) is arranged in the middle of the bottom surface of the support frame (3). A sliding rod (33) is arranged at the top end of the support frame (3), and the sliding rod (33) is in a T-shaped structure. The sliding rod (33) is engaged with the inner side of the sliding groove (16).

5. The movable ladder for construction according to claim 1, characterized in that: Insertion rods (44) are symmetrically arranged on both sides of the top of the pressure rod (4), and a rubber pad (41) is arranged on the bottom surface of the pressure rod (4). An adapter (42) is arranged in the middle of the upper surface of the pressure rod (4), and a bearing (43) is arranged in the middle of the adapter (42).

6. A movable ladder for construction according to claim 5, characterized in that: A connecting shaft (51) is provided at the bottom end of the driving screw rod (5), and the connecting shaft (51) is rotatably connected to the bearing (43). A rotating handle (52) is provided at the top end of the driving screw rod (5).

7. A movable ladder for construction according to claim 2, characterized in that: The diagonal brace (12) is provided with a handrail (6), the bottoms of both ends of the handrail (6) are provided with connecting heads (61), the bottom surface of the connecting head (61) is provided with an inserting plate (62), and the inserting plate (62) is inserted into the inner side of the installation groove (14).

8. The movable ladder for construction according to claim 2, characterized in that: The upper surface of the supporting platform (15) is provided with a baffle (7), and connecting plates (72) are symmetrically provided on both sides of the bottom surface of the baffle (7), and the bottom surface of the connecting plate (72) is inserted into the connecting groove (17), and the tops of both sides of the baffle (7) are provided with pull openings (71).