Height-adjustable building scaffold supporting base

By introducing positive and negative threaded screw drives and worm gear mechanisms into the support base of building scaffolding, the problems of poor stability and inconvenient movement in the existing technology are solved, and height adjustment and stability improvement are achieved.

CN223805819UActive Publication Date: 2026-01-16SICHUAN GUOGANG INVESTMENT IND GROUP CO LTD
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Patent Information

Application Number
CN202520204972.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-10
Publication Date
2026-01-16
Estimated Expiration
2035-02-10

AI Technical Summary

Technical Problem

Existing scaffolding support bases are not very stable during use, especially the movable casters which are prone to damage and inconvenient to move.

Method used

The moving component, driven by a forward and reverse threaded screw and a drive motor, combined with a dual-axis motor, a gearbox, and a worm gear mechanism in the lifting component, enables height adjustment and improved stability of the support base.

Benefits of technology

By adjusting the height and improving stability, damage to the casters is avoided, ensuring the safety and stability of the support base and facilitating movement and use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a building scaffold supporting base with adjustable height, which relates to the field of building construction and comprises a base and a lifting plate, a moving component is movably mounted at the bottom of the base, a lifting component is fixedly mounted at the top of the base, and the lifting plate is movably mounted on the inner side of the lifting component. The moving assembly comprises a positive and negative tooth screw rod, the positive and negative tooth screw rod is movably installed on the inner side of the base, and a driving motor connected with the positive and negative tooth screw rod is fixedly installed on the outer side of the base. The driving motor is controlled to drive the positive and negative tooth screw located on the inner side of the base to rotate, the positive and negative tooth screw rotates to drive the sliding blocks on the left side and the right side outside the positive and negative tooth screw to slide towards the outer side, the sliding blocks move outwards to pull the supporting rods to move, and the supporting rods are located between the sliding blocks and the sliding plates to pull the sliding plates to move upwards. Therefore, during use, the universal wheels can be folded upwards to avoid large pressure loss, and the stability is ensured at the same time.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of building construction, concretely relates to adjustable height's building scaffold support base. BACKGROUND

[0002] Building construction refers to the production activity of engineering construction implementation stage, is the building process of all kinds of buildings, also can be said that the process that the various lines on design drawing are changed into material in specified place. It includes foundation engineering construction, main body structure construction, roofing engineering construction, decoration engineering construction etc. Adjustable height's building scaffold is the building equipment that indispensable in building engineering, is the working platform that sets up in order to guarantee each construction process to proceed smoothly.

[0003] The existing building scaffold support base, its function is relatively single, usually set up lockable activity trundle to facilitate movement, when weighing, the stability is not good, and the activity trundle is prone to pressure damage under long time stress, when using the support foot, it is easy to cause the scaffold to move very inconveniently. UTILITY MODEL CONTENTS

[0004] To solve the above technical problem, the technical scheme adopted by the utility model is:

[0005] A adjustable height's building scaffold support base, including base and lifting plate, the bottom of base is movably installed with moving assembly, the top of base is fixedly installed with lifting assembly, lifting plate is movably installed in the inner side of lifting assembly, moving assembly includes positive and negative toothed screw rod, positive and negative toothed screw rod is movably installed in the inner side of base, the outer side of base is fixedly installed with driving motor connected with positive and negative toothed screw rod, the left and right sides of the outside of positive and negative toothed screw rod are movably installed with sliding block, the bottom of sliding block is movably hinged with support rod, the other end of support rod is movably hinged with slide plate, the bottom of slide plate is fixedly installed with universal wheel.

[0006] The further improvement of the utility model technical scheme is that: the lifting assembly includes the mounting bracket fixedly installed on the top of base, the left and right sides of the inside of mounting bracket are movably installed with lifting screw rod, the left and right sides of the bottom of mounting bracket are fixedly installed with speed reducer, the speed reducer is fixedly installed with double-shaft motor between, the outer side of speed reducer is fixedly installed with transmission rod, the outside of lifting screw rod is fixedly installed with worm wheel, the outer side of transmission rod is fixedly installed with the worm that is engaged with worm wheel, the outside of lifting screw rod is movably installed with lifting block, the inner side of lifting block is fixedly installed with lifting plate.

[0007] The further improvement of the utility model technical scheme is that: the four corners of the top of slide plate are fixedly installed with guide rod, the top of guide rod is fixedly installed with limit board.

[0008] The further improvement of the utility model technical scheme lies in that the guide rod is movably clamped in the inside of the base.

[0009] The further improvement of the utility model technical scheme lies in that the universal wheel is movably installed at the four corners of the bottom of the sliding plate.

[0010] The further improvement of the utility model technical scheme lies in that the top of the base is fixedly installed with guide columns at the front and back of the mounting rack, the outside of the lifting plate is fixedly connected with a sliding sleeve, and the sliding sleeve is movably sleeved with the outside of the guide column.

[0011] The further improvement of the utility model technical scheme lies in that the speed reducer is respectively in transmission connection with the double-shaft motor and the transmission rod.

[0012] The further improvement of the utility model technical scheme lies in that the bottom of the base is fixedly installed with an antiskid pad, and the top of the lifting plate is fixedly installed with a protection frame.

[0013] Due to the adoption of the above technical scheme, the utility model has the following technical progress compared with the prior art:

[0014] 1. The adjustable height building scaffold support base provided by the utility model drives the positive and negative toothed screw rod located in the inside of the base to rotate through the control of the driving motor, drives the sliding blocks outside the positive and negative toothed screw rod to slide outward, pulls the support rod to move through the outward sliding of the sliding blocks, pulls the sliding plate to move upward through the support rod located between the sliding blocks and the sliding plate, so that the universal wheel can be folded upward to avoid the large pressure damage and ensure the stability when being used.

[0015] 2. The adjustable height building scaffold support base provided by the utility model drives the transmission rod to rotate through the rotation of the double-shaft motor and the transmission of the speed reducer, drives the outside worm to rotate through the transmission rod, drives the worm wheel to rotate through the worm, drives the lifting screw to rotate, drives the lifting plate to lift through the upward sliding of the lifting block outside the lifting screw, so that the lifting of the lifting plate is ensured and the safety stability is improved through the self-locking between the worm wheel and the worm. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the adjustable height building scaffold support base of the utility model;

[0017] Figure 2 It is a structural schematic view of the movable assembly of the utility model;

[0018] Figure 3 It is a sectional structure schematic view of the base of the utility model;

[0019] Figure 4The utility model discloses a lifting assembly structure schematic view of the utility model discloses a height-adjustable building scaffold support base.

[0020] Figure 5 The utility model discloses a structure amplification schematic view of A place. Figure 4

[0021] In the drawing: 1, base; 2, non-slip pad; 3, moving assembly; 31, positive and negative tooth screw rod; 32, drive motor; 33, sliding block; 34, support rod; 35, sliding plate; 36, universal wheel; 37, guide rod; 38, limiting plate; 4, lifting assembly; 41, mounting frame; 42, lifting screw rod; 43, reduction box; 44, double-shaft motor; 45, transmission rod; 46, worm wheel; 47, worm; 48, lifting block; 49, guide column; 410, sliding sleeve; 5, lifting plate; 6, protection frame. DETAILED DESCRIPTION

[0022] The utility model will be further explained in detail as follows:

[0023] As shown in Figures 1 to 5 , the utility model provides a height-adjustable building scaffold support base, including base 1 and lifting plate 5, the bottom mobile mounting of base 1 has moving assembly 3, and the top fixed mounting of base 1 has lifting assembly 4, and lifting plate 5 is movably installed to the inboard of lifting assembly 4, and moving assembly 3 includes positive and negative tooth screw rod 31, and positive and negative tooth screw rod 31 is movably installed to the inboard of base 1, and the outside of base 1 is fixedly installed with the drive motor 32 connected with positive and negative tooth screw rod 31, and the left and right sides of the outside of positive and negative tooth screw rod 31 are movably installed with sliding block 33, and the bottom of sliding block 33 is movably articulated with support rod 34, and the other end of support rod 34 is movably articulated with sliding plate 35, and the bottom of sliding plate 35 is fixedly installed with universal wheel 36.

[0024] by controlling drive motor 32 and drive the positive and negative tooth screw rod 31 located inboard of base 1 rotation, by positive and negative tooth screw rod 31 rotation drive its outside left and right sides sliding block 33 to the outside slide, by sliding block 33 outward pull support rod 34 activity, by support rod 34 between sliding block 33 and sliding plate 35 pull sliding plate 35 and go up, so that can when using the universal wheel 36 is retracted upwards to avoid the emergence of larger pressure loss while ensuring stability.

[0025] As shown in Figure 4 and Figure 5 ​As shown, the lifting assembly 4 comprises a mounting frame 41 fixedly installed on the top of the base 1, and left and right lifting screws 42 movably installed inside the mounting frame 41. The left and right sides of the bottom of the mounting frame 41 are fixedly installed with reduction boxes 43, and the reduction boxes 43 are fixedly installed with a double-shaft motor 44. The outer sides of the reduction boxes 43 are fixedly installed with transmission rods 45. The lower part of the outside of the lifting screw 42 is fixedly installed with a worm gear 46, and the outer side of the transmission rod 45 is fixedly installed with a worm 47 engaged with the worm gear 46. The outside of the lifting screw 42 is movably installed with a lifting block 48, and the lifting plate 5 is fixedly installed on the inner side of the lifting block 48.

[0026] The rotation of the double-shaft motor 44 drives the transmission rod 45 to rotate through the reduction box 43, and the worm 47 on the outer side of the transmission rod 45 rotates through the transmission rod 45, and the worm gear 46 rotates through the worm 47, thereby driving the lifting screw 42 to rotate. The lifting plate 5 is lifted through the upward sliding of the lifting block 48 along the outside of the lifting screw 42, thereby ensuring the lifting of the lifting plate 5 and improving the safety and stability by the self-locking between the worm gear 46 and the worm 47.

[0027] As shown in Figure 3 The four corners of the top of the sliding plate 35 are fixedly installed with guide rods 37, and the top of the guide rod 37 is fixedly installed with a limiting plate 38.

[0028] The guide rod 37 is movably clamped in the inside of the base 1.

[0029] The guide rod 37 clamped in the base 1 can slide up and down with the sliding plate 35, thereby providing a guiding effect for the sliding plate 35.

[0030] As shown in Figure 2 The four corners of the bottom of the sliding plate 35 are movably installed with universal wheels 36.

[0031] The universal wheels 36 arranged at the four corners of the bottom of the sliding plate 35 can be lifted to facilitate the movement of the base 1, and are lifted during use to ensure stability and avoid pressure damage of the universal wheels 36 due to long-time stress.

[0032] As shown in Figure 4 The top of the base 1 is fixedly installed with guide columns 49 located on the front and rear sides of the mounting frame 41, and the outer side of the lifting plate 5 is fixedly connected with a sliding sleeve 410 movably sleeved on the outside of the guide column 49.

[0033] The sliding sleeve 410 can slide up and down along the outside of the guide column 49 with the lifting plate 5 to provide a guide to improve the stability of the lifting plate 5.

[0034] As shown in Figure 4 The reduction boxes 43 are in transmission connection with the double-shaft motor 44 and the transmission rod 45, respectively.

[0035] The reduction gear box 43 is arranged between the double-shaft motor 44 and the transmission rod 45 to realize reduction transmission, so as to improve the torque and ensure the stability of lifting.

[0036] As shown in Figure 1 and Figure 2 , the bottom of the base 1 is fixedly provided with the anti-skid pad 2, and the top of the lifting plate 5 is fixedly provided with the protection frame 6.

[0037] The anti-skid pad 2 improves the friction force when contacting the ground to ensure the stability, and the protection frame 6 can provide protection for the workers on the lifting plate 5.

[0038] The working principle of the height-adjustable building scaffold supporting base will be described in detail below.

[0039] As shown in Figures 1 to 5 , the base 1 is pushed to roll to the appropriate position by the universal wheel 36 contacting the ground, the positive and negative toothed screw 31 inside the base 1 is driven to rotate by the control driving motor 32, the left and right sliding blocks 33 outside the positive and negative toothed screw 31 are driven to slide outward, the support rod 34 is pulled to move by the outward sliding of the sliding blocks 33, the sliding plate 35 is pulled to move upward by the support rod 34 between the sliding blocks 33 and the sliding plate 35, the sliding plate 35 is guided by the guide rod 37 moving upward, the base 1 is lowered by the upward movement of the sliding plate 35 driving the universal wheel 36, the base 1 is stably supported by the anti-skid pad 2 contacting the ground, the workers get on the lifting plate 5, and then the double-shaft motor 44 is controlled to rotate in reverse, the transmission rod 45 is driven to rotate by the left and right reduction gear boxes 43, the worm 47 outside the transmission rod 45 is driven to rotate by the rotation of the transmission rod 45, the worm wheel 46 is driven to rotate by the worm 47, so as to drive the lifting screw 42 to rotate, and the lifting plate 5 is lifted by the upward sliding of the lifting block 48 along the outside of the lifting screw 42.

[0040] The above has made a detailed description of the present application, but some modifications or improvements can be made on the basis of the present application, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the present application are within the scope of the present application.

Claims

1. An adjustable height building scaffold support base comprising a base (1) and a lifting plate (5) characterised in that: The bottom of the base (1) is movably provided with a moving assembly (3), and the top of the base (1) is fixedly provided with a lifting assembly (4), and the lifting plate (5) is movably arranged on the inner side of the lifting assembly (4); The moving assembly (3) comprises a reversible screw rod (31) movably arranged on the inner side of the base (1), and the outer side of the base (1) is fixedly provided with a driving motor (32) connected with the reversible screw rod (31), and the left and right sides of the reversible screw rod (31) are movably provided with sliding blocks (33), and the bottom of the sliding block (33) is movably hinged with a supporting rod (34), and the other end of the supporting rod (34) is movably hinged with a sliding plate (35), and the bottom of the sliding plate (35) is fixedly provided with a universal wheel (36).

2. An adjustable height building scaffold support base according to claim 1, wherein: The lifting assembly (4) comprises a mounting frame (41) fixedly arranged on the top of the base (1), and the left and right sides of the mounting frame (41) are movably provided with lifting screws (42), and the left and right sides of the inner bottom of the mounting frame (41) are fixedly provided with speed reducers (43), and the speed reducers (43) are fixedly provided with a double-shaft motor (44) therebetween, and the outer sides of the speed reducers (43) are fixedly provided with transmission rods (45), and the lower part of the outside of the lifting screw (42) is fixedly provided with a worm wheel (46), and the outer side of the transmission rod (45) is fixedly provided with a worm (47) engaged with the worm wheel (46), and the outside of the lifting screw (42) is movably provided with a lifting block (48), and the inner side of the lifting plate (5) is fixedly provided with the lifting block (48).

3. An adjustable height building scaffold support base according to claim 1, wherein: The top of the sliding plate (35) is fixedly provided with guide rods (37) at four corners, and the top of the guide rod (37) is fixedly provided with a limiting plate (38).

4. A height adjustable building scaffold support base according to claim 3, wherein: The guide rod (37) is movably clamped in the base (1).

5. An adjustable height building scaffold support base according to claim 1, wherein: The universal wheel (36) is movably arranged at the four corners of the bottom of the sliding plate (35).

6. An adjustable height building scaffold support base according to claim 2, wherein: The top of the base (1) is fixedly provided with guide columns (49) located on the front and rear sides of the mounting frame (41), and the outer side of the lifting plate (5) is fixedly connected with a sliding sleeve (410), and the sliding sleeve (410) is movably sleeved on the outside of the guide column (49).

7. An adjustable height building scaffold support base according to claim 2, wherein: The speed reducers (43) are respectively drivingly connected with the double-shaft motor (44) and the transmission rod (45).

8. An adjustable height building scaffold support base according to claim 2, wherein: The bottom of the base (1) is fixedly provided with an anti-skid pad (2), and the top of the lifting plate (5) is fixedly provided with a protective frame (6).