Safety ladder stand for building

Abstract

The utility model discloses a safe ladder stand for building, which comprises a climbing mechanism, a stabilizing mechanism and a wheel collecting mechanism, the climbing mechanism comprises a ladder assembly, two rollers connected with the bottom of the ladder assembly, and the stabilizing mechanism, the stabilizing mechanism comprises a plurality of trapezoidal limiting plates connected with the front side wall and the rear side wall of the ladder assembly, a frame connected between the trapezoidal limiting plates in a sliding mode, tension springs connected between the trapezoidal limiting plates and the frame, and a wheel collecting mechanism. The wheel collecting mechanism comprises two connecting blocks attached to the two sides of the ladder assembly and connected with the frame. According to the ladder assembly, an operator turns over the pressing plate to enable the pressing plate to be clamped with the clamping block, then the frame moves downwards along the trapezoidal limiting plate, and the rolling wheels are contracted into the frame, so that the situation that the ladder assembly translates when the operator climbs the ladder assembly is avoided, and the use stability and safety of the ladder assembly are effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to building instrument technical field, concretely is a safe climbing ladder for building. BACKGROUND

[0002] With the rapid development of China's economy and urban infrastructure, the demand for various new building materials is also increasing. As an ancillary facility of the city inspection well, the climbing ladder material has been made of steel for a long time. However, the traditional metal climbing ladder is prone to rust in many harsh environmental conditions, such as inspection wells, tunnels, chemical enterprises, rainy and humid places, etc., which affects the safety of use and has a short service life.

[0003] The application number CN201720648185.6 discloses a climbing ladder structure, which comprises a top plate and other structures; when the device is placed in the forward direction, the owner can climb and use it conveniently; when the device is carried, it only needs to be inverted, supported by the ground through supporting rollers, and pushed conveniently, reducing the physical effort of carrying the device and avoiding scratching the vehicle and being safer to take. However, the application has some problems in actual use, although it can move the device through the supporting rollers, it is not stable in use. SUMMARY

[0004] The utility model aims at solving one of the technical problems existing in the prior art or related art.

[0005] To this end, the utility model adopts the technical scheme that:

[0006] A safe climbing ladder for building, comprising a climbing mechanism, a stabilizing mechanism and a wheel collecting mechanism, the climbing mechanism comprising a ladder frame, two rollers connected to the bottom of the ladder frame, the stabilizing mechanism comprising a plurality of trapezoidal limiting plates connected to the front and rear sidewalls of the ladder frame, a frame slidingly connected between the plurality of trapezoidal limiting plates, and a tension spring connected between the trapezoidal limiting plates and the frame, and the wheel collecting mechanism comprising two connecting blocks attached to the two sides of the ladder frame and connected to the frame, a clamping block connected to the top of the connecting blocks, and two pressure plates movably installed on the two sides of the ladder frame, wherein the wheel collecting mechanism is movably connected to the clamping block.

[0007] By adopting the above technical scheme, the operator flips the pressure plate to make it clamped with the clamping block, and then the frame moves downward along the trapezoidal limiting plate, and the roller is retracted into the frame, avoiding the translation of the ladder frame when the operator climbs onto the ladder frame, effectively improving the stability and safety of the ladder frame.

[0008] In a preferred example, the two rollers are vertically symmetrical about the vertical center plane of the ladder frame, and the bottoms of the two rollers are located on the same horizontal plane.

[0009] The utility model discloses in a preferable example can be further configured as: a plurality of tension spring two two a group, set to two groups, two tension springs in each group are located two front, back of two gyro wheel respectively.

[0010] The utility model discloses in a preferable example can be further configured as: the card block is located the ladder frame outside, and with the ladder frame between leaving the spacing, the spacing is suitable for the movable card joint of pressing plate bottom end.

[0011] The utility model discloses in a preferable example can be further configured as: two plug -in boards are movably inserted in the front and rear sides of the frame, and the plug -in board bottom is flush with the frame bottom.

[0012] The utility model discloses in a preferable example can be further configured as: the handle is installed on the one side of the pressing plate, and the handle is integrally formed with the pressing plate.

[0013] By adopting the above technical scheme, the utility model has the beneficial effects that:

[0014] 1. In the utility model, the operator flips the pressing plate, makes it with the card joint of card block, then the frame is along the trapezoidal limit board and moves down, and the gyro wheel is contracted in the frame interior, avoids the operator when boarding the ladder frame, and the translation of the ladder frame appears, effectively improves the ladder frame use stability, security.

[0015] 2. In the utility model, the operator manually separates the pressing plate and card block, then multiple tension springs contract and recover, make the frame along the trapezoidal limit board and move up, then two gyro wheels are exposed in the frame bottom, and the operator can flexibly push the ladder frame. DRAWINGS

[0016] Figure 1 It is the overall structure perspective drawing of the utility model;

[0017] Figure 2 It is the climbing mechanism schematic drawing of the utility model;

[0018] Figure 3 It is the A department structure enlarged view of the utility model Figure 1 .

[0019] Reference signs:

[0020] 100, climbing mechanism; 110, ladder frame; 120, gyro wheel;

[0021] 200, stable mechanism; 210, trapezoidal limit board; 220, frame; 230, tension spring;

[0022] 300, wheel collecting mechanism; 310, connecting block; 320, card block; 330, pressing plate;

[0023] 400, plug -in board. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below in combination with specific embodiments and in reference to the drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0025] It is understood that the description is only exemplary and is not intended to limit the scope of the utility model.

[0026] Some embodiments of the utility model provide a building safety ladder, which is described below in combination with the drawings. Embodiment one:

[0027] In combination with Figures 1-3 the drawings, the utility model provides a building safety ladder, which comprises a climbing mechanism 100, a stable mechanism 200 and a wheel collecting mechanism 300, the climbing mechanism 100 comprises a ladder stand 110, two rollers 120 connected with the bottom of the ladder stand 110;

[0028] The stable mechanism 200 comprises a plurality of trapezoidal limiting plates 210 connected with the front and rear sidewalls of the ladder stand 110, a frame 220 slidingly connected between the plurality of trapezoidal limiting plates 210, and a tension spring 230 connected between the trapezoidal limiting plates 210 and the frame 220.

[0029] The wheel collecting mechanism 300 comprises two connecting blocks 310 fitted on the two sides of the ladder stand 110 and connected with the frame 220, a clamping block 320 connected with the top of the connecting block 310, and two pressing plates 330 movably installed on the two sides of the ladder stand 110, and the wheel collecting mechanism 300 is movably clamped with the clamping block 320.

[0030] Further, the two rollers 120 are vertically symmetrical about the vertical center plane of the ladder stand 110, and the bottoms of the two rollers 120 are located on the same horizontal plane. With this structural design, it is ensured that the ladder stand 110 can be smoothly pushed and moved.

[0031] Further, the plurality of tension springs 230 are arranged in two groups, two tension springs 230 in each group are respectively located on the front and rear sides of the two rollers 120, and the layout design of the plurality of tension springs 230 ensures that the frame 220 will not be stuck when lifting.

[0032] Further, the clamping block 320 is arranged outside the ladder stand 110 and has a spacing with the ladder stand 110, the spacing is suitable for the bottom end of the pressing plate 330 to be movably clamped, and the spacing ensures that the pressing plate 330 can be clamped with the clamping block 320, thereby indirectly making the roller 120 tightly shrink inside the frame 220. Embodiment two:

[0033] In combination Figure 1 As shown in the drawings, on the basis of the first embodiment, two plug-in plates 400 are movably inserted on the front and rear sides of the frame 220, and the bottom of the plug-in plate 400 is flush with the bottom of the frame 220. The plug-in plate 400 is provided to increase the contact area of the frame 220 with the ground. Embodiment three:

[0034] In combination Figure 1 And Figure 3 As shown in the drawings, in the above embodiment, the handle is mounted on one side of the pressing plate 330, and the handle is integrally formed with the pressing plate 330. The handle is provided to facilitate the operator to turn over the pressing plate 330.

[0035] The working principle and use process of the utility model are as follows: when the ladder frame 110 needs to be pushed, the operator manually separates the pressing plate 330 and the clamping block 320, and then the plurality of tension springs 230 are retracted and restored, so that the frame 220 moves upward along the ladder-shaped limiting plate 210, and then the two rollers 120 are exposed at the bottom of the frame 220. The operator can flexibly push the ladder frame 110, and then when the ladder frame 110 is erected, the clamping relationship between the pressing plate 330 and the clamping block 320 is restored, and then the frame 220 moves downward along the ladder-shaped limiting plate 210, so that the roller 120 is retracted in the frame 220. Then, the plug-in plate 400 is lengthened to increase the grounding area of the frame 220, effectively improving the stability of the ladder frame 110 when it is erected.

[0036] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A construction safety ladder, characterised in that, Include: Climbing mechanism (100), the climbing mechanism (100) includes ladder frame (110), two rollers (120) connected with the bottom of the ladder frame (110); Stable mechanism (200), the stable mechanism (200) includes multiple trapezoidal limiting plates (210) connected with the front and rear sidewalls of the ladder frame (110), a frame (220) slidingly connected between multiple trapezoidal limiting plates (210), a tension spring (230) connected between the trapezoidal limiting plate (210) and the frame (220); Wheel collecting mechanism (300), the wheel collecting mechanism (300) includes two connecting blocks (310) fitted on both sides of the ladder frame (110) and connected with the frame (220), a clamping block (320) connected with the top of the connecting block (310), and two pressing plates (330) movably installed on both sides of the ladder frame (110), the wheel collecting mechanism (300) is movably clamped with the clamping block (320).

2. A safety construction ladder according to claim 1, characterized in that Two rollers (120) are vertically symmetrical about the vertical center plane of the ladder frame (110), and the bottoms of the two rollers (120) are located on the same horizontal plane.

3. A safety construction ladder according to claim 1, wherein Multiple tension springs (230) are arranged in two groups, two tension springs (230) in each group are located on the front and rear sides of the two rollers (120) respectively.

4. A safety construction ladder according to claim 1, wherein The clamping block (320) is arranged on the outer side of the ladder frame (110) and has a spacing with the ladder frame (110), and the spacing is suitable for the movable clamping of the bottom end of the pressing plate (330).

5. A safety construction ladder according to claim 1, wherein The frame (220) is movably inserted with two insertion plates (400) on the front and rear sides, and the bottoms of the insertion plates (400) are flush with the bottom of the frame (220).

6. A safety construction ladder according to claim 1, wherein The pressing plate (330) is provided with a handle on one side, and the handle is integrally formed with the pressing plate (330).

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