Heavy adjustable supporting device for scaffold

Abstract

The utility model relates to the field of scaffolds, and discloses a heavy adjustable scaffold supporting device which comprises a bottom plate, a height adjusting mechanism is installed in the middle of the top of the bottom plate, positioning mechanisms are installed on the portions, close to the two sides, of the top of the bottom plate, the height adjusting mechanism comprises a connecting base and a stud, the connecting base is fixedly installed on the top of the bottom plate, and the stud is fixedly installed on the bottom plate. And the stud is movably connected to the interior of the connecting base, a nut is fixedly installed at the top of the stud, and a fixing sleeve is movably installed at the top of the nut. Through the stud and the fixing sleeve, the supporting height of the scaffold supporting leg is convenient to adjust, friction between the nut and the fixing sleeve is reduced during adjustment, and the bottom end of the scaffold supporting leg is convenient to fix and detach; and through connection of the positioning sleeve and rotation of the second ball, the supporting range of the scaffold supporting leg is enlarged, adaptive sliding can be conducted in the height adjusting process of the scaffold supporting leg, and the operation of disassembly and adjustment is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of scaffold, concretely is a scaffold heavy -duty adjustable support device. BACKGROUND

[0002] Heavy -duty scaffold is a kind of building scaffold specially designed to bear larger load, compared with ordinary scaffold, heavy -duty scaffold has higher carrying capacity, in the use process, to disperse and strengthen the carrying capacity of scaffold, the support range between the ground needs to be increased.

[0003] The utility model discloses a scaffold support base discloses a scaffold support base, including lifting mechanism, protection mechanism and limiting mechanism, the protection mechanism is installed on the lifting mechanism upper end.

[0004] The above-mentioned support base enhances the safety protection of the protection mechanism, avoids the accident of operator in construction, but when the higher height construction, uneven ground is easy to make the scaffold support leg bottom end sway or slide, the quick fixing of the scaffold support leg is not convenient, the height of support is not convenient to adjust, and the support area of the scaffold support leg bottom end is small, and sway is easy to generate. UTILITY MODEL CONTENTS

[0005] The utility model discloses a scaffold heavy -duty adjustable support device to solve the technical problem in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A scaffold heavy -duty adjustable support device, including bottom plate, the top of the bottom plate is centrally installed with height -adjusting mechanism, the top of the bottom plate is installed with positioning mechanism on both sides, the height -adjusting mechanism includes connecting seat and stud, the connecting seat is fixedly installed on the top of bottom plate, the stud is movably connected in the inside of connecting seat, the top of the stud is fixedly installed with nut, the top of the nut is movably installed with fixed sleeve, the top of the nut and the bottom of the fixed sleeve are installed with clamping shaft, the bottom of the fixed sleeve is movably installed with a plurality of first ball bearings on the outer circle, three positioning rods are movably installed in the inside and outside of the fixed sleeve, the inner end of the positioning rod is movably installed with pressing plate, the outer side of the pressing plate is fixedly installed with guide rod on the upper and lower ends.

[0008] Preferably, the stud is threadedly connected in the inside of the connecting seat, and the first ball bearings are rollingly connected on the top of the nut.

[0009] Preferably, the clamping shaft and the nut are fixedly connected, and the clamping shaft is movably rotatably arranged in the inside of the fixed sleeve.

[0010] Preferably, the clamping shaft is fixed with the nut, and the clamping shaft is movably arranged in the fixed sleeve.

[0011] Preferably, the positioning mechanism comprises two supporting rods, a first hinge shaft is arranged between the supporting rod and the bottom plate, the two supporting rods are movably arranged on the top of the bottom plate, a positioning sleeve is movably arranged at the top end of the supporting rod, a second hinge shaft is arranged between the positioning sleeve and the supporting rod, and a plurality of second balls are movably arranged on the inner wall of the positioning sleeve.

[0012] Preferably, the supporting rod is movably connected between the bottom plate and the positioning sleeve, and the two positioning sleeves are arranged in a semicircle.

[0013] Preferably, the fastening bolt is movably arranged in the positioning sleeve in a rotating manner, and one end of the fastening bolt is threadedly connected with the other positioning sleeve.

[0014] Compared with the prior art, the support device has the following beneficial effects:

[0015] 1) The support device is provided with the height adjusting mechanism, the stud is threadedly connected in the connecting seat, the nut is connected with the fixed sleeve through the clamping shaft, the height of the scaffold support leg is convenient to adjust, the friction between the nut and the fixed sleeve is reduced through the support and rotation of the first ball, the fixing and dismounting of the bottom end of the scaffold support leg are facilitated through the sliding of the pressing plate driven by the positioning rod.

[0016] 2) The support device is provided with the positioning mechanism, the supporting rod is connected with the bottom plate through the first hinge shaft, the positioning sleeve is connected with the supporting rod through the second hinge shaft, the support range of the scaffold support leg is increased through the connection and fixation of the positioning sleeve, the stability of the whole is enhanced, the second ball is rotated to adapt to the sliding during the height adjustment of the scaffold support leg, and the operation of dismounting and adjusting is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the scaffold heavy-duty adjustable support device of the embodiment of the utility model;

[0018] Figure 2 It is an internal structure schematic view of the height adjusting mechanism in the embodiment of the utility model;

[0019] Figure 3 It is an enlarged view of A in the embodiment of the utility model; Figure 2

[0020] Figure 4 It is a structure schematic view of the positioning mechanism in the embodiment of the utility model.

[0021] ​In the figure: 1, bottom plate; 2, height adjusting mechanism; 3, positioning mechanism; 4, connecting seat; 5, stud; 6, nut; 7, fixing sleeve; 8, clamping shaft; 9, first ball; 10, positioning rod; 11, pressing plate; 12, guide rod; 13, supporting rod; 14, first hinge shaft; 15, positioning sleeve; 16, second hinge shaft; 17, second ball; 18, fastening bolt. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Embodiment one

[0024] In combination Figures 1-4 , a heavy-duty adjustable support device for a scaffold includes a bottom plate 1, a height adjusting mechanism 2 is centrally mounted on the top of the bottom plate 1, and positioning mechanisms 3 are mounted on the top of the bottom plate 1 near the two sides.

[0025] Referring to Figure 2 and Figure 3 , it is further obtained that the height adjusting mechanism 2 includes a connecting seat 4 and a stud 5, the connecting seat 4 is fixedly installed on the top of the bottom plate 1, the stud 5 is movably connected inside the connecting seat 4, the top of the stud 5 is fixedly installed with a nut 6, the top of the nut 6 is movably installed with a fixing sleeve 7, the top of the nut 6 and the bottom of the fixing sleeve 7 are installed with a clamping shaft 8, the outer circle of the bottom of the fixing sleeve 7 is movably installed with a plurality of first balls 9, three positioning rods 10 are movably installed inside and outside the fixing sleeve 7, the inner end of the positioning rod 10 is movably installed with a pressing plate 11, and the outer side of the pressing plate 11 is fixedly installed with guide rods 12 near the upper and lower ends.

[0026] The stud 5 is threadedly connected inside the connecting seat 4, the first balls 9 are rollingly connected on the top of the nut 6, and the height of the support is adjusted through the rotation and thread connection of the stud 5.

[0027] The clamping shaft 8 and the nut 6 are fixedly connected, the clamping shaft 8 is movably and rotatably arranged inside the fixing sleeve 7, and the fixing sleeve 7 is connected with the nut 6 through the clamping shaft 8, so as to facilitate the rotation of the nut 6.

[0028] The positioning rod 10 is threadedly connected inside the fixing sleeve 7, the positioning rod 10 and the pressing plate 11 are connected through a bearing, and the pressing plate 11 is slid by the positioning rod 10, so that the scaffold support leg is fixed.

[0029] Specifically, the screw post 5 is rotated by rotating the screw cap 6, and is slid up and down to adjust the height of support under the thread action. During the rotation of the screw cap 6, the fixed sleeve 7 is supported by the rotation of the first ball 9, and the friction between the fixed sleeve 7 and the screw cap 6 is reduced. The positioning rod 10 drives the inner and outer sliding of the pressing plate 11 to fix the scaffold support leg.

[0030] Embodiment two

[0031] Referring to Figure 4 On the basis of embodiment one, it is further obtained that the positioning mechanism 3 comprises two supporting rods 13, the first hinge shaft 14 is installed between the supporting rod 13 and the bottom plate 1, the two supporting rods 13 are movably installed on the top of the bottom plate 1 on both sides, the positioning sleeve 15 is movably installed at the top end of the supporting rod 13, the second hinge shaft 16 is installed between the positioning sleeve 15 and the supporting rod 13, the second ball 17 is movably installed on the inner wall of the positioning sleeve 15, and the two fastening bolts 18 are connected through the outer side of one of the positioning sleeves 15.

[0032] The supporting rod 13 is movably connected between the bottom plate 1 and the positioning sleeve 15, and the two positioning sleeves 15 are both semi-circular, and the supporting area of the bottom of the scaffold support leg is increased by the support of the two supporting rods 13.

[0033] The fastening bolt 18 is movably and rotatably arranged in one of the positioning sleeves 15, one end of the fastening bolt 18 is threadedly connected with the other positioning sleeve 15, the two positioning sleeves 15 clamp the scaffold support leg, and the fastening bolt 18 is connected and fixed.

[0034] Specifically, the two positioning sleeves 15 are sleeved on the outside of the scaffold support leg, the supporting rod 13 is rotated to a suitable angle through the first hinge shaft 14, the two positioning sleeves 15 are connected and fixed through the fastening bolt 18, and the scaffold support leg can be self-adaptively slid when being adjusted in height through the rotation of the second ball 17.

[0035] In actual operation, the scaffold support leg is fixed in the fixed sleeve 7, and the two positioning sleeves 15 are fixed on the outside of the scaffold support leg, and the bottom plate 1 is in contact with the ground to provide support;

[0036] When being fixed and adjusted in height, the positioning rod 10 is rotated and drives the inner and outer sliding of the pressing plate 11 under the thread action, so that the pressing plate 11 presses and fixes the scaffold support leg, so as to facilitate the disassembly and assembly of the scaffold support leg. The screw post 5 is rotated by rotating the screw cap 6, and is slid up and down under the thread action. The fixed sleeve 7 is connected with the screw cap 6 through the clamping shaft 8, and is supported by the rotation of the first ball 9, so as to reduce the friction between the screw cap 6 and the fixed sleeve 7, and facilitate the adjustment of the height of the scaffold support leg.

[0037] When further fixing, the supporting rod 13 rotates through the connection of the first hinge shaft 14, two positioning sleeves 15 are sleeved outside the scaffold legs, and are connected and fixed through the fastening bolt 18, the supporting range of the scaffold legs is increased through the supporting rod 13, and through the contact and rotation of the second ball 17 with the scaffold legs, the sliding can be adapted when the scaffold legs are adjusted.

[0038] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A heavy duty adjustable support device for scaffolding comprising a base plate (1) characterised in that: The top of the bottom plate (1) is centrally provided with a height adjusting mechanism (2), and the top of the bottom plate (1) is provided with a positioning mechanism (3) on both sides; The height adjusting mechanism (2) comprises a connecting seat (4) and a stud (5), the connecting seat (4) is fixedly installed on the top of the bottom plate (1), the stud (5) is movably connected in the connecting seat (4), the top of the stud (5) is fixedly installed with a nut (6), the top of the nut (6) is movably installed with a fixing sleeve (7), the top of the nut (6) and penetrating the bottom of the fixing sleeve (7) is installed with a clamping shaft (8), the bottom of the fixing sleeve (7) is movably installed with a plurality of first balls (9) on the outer circle, three positioning rods (10) are movably installed penetrating the inside and outside of the fixing sleeve (7), the inner end of the positioning rod (10) is movably installed with a pressing plate (11), the outer side of the pressing plate (11) is fixedly installed with a guide rod (12) on the upper and lower ends.

2. A heavy duty adjustable support device for a scaffold as claimed in claim 1 wherein: The stud (5) is threadedly connected in the connecting seat (4), and the first balls (9) are rollingly connected on the top of the nut (6).

3. The heavy duty adjustable support device of claim 1, wherein: The clamping shaft (8) and the nut (6) are fixedly connected, and the clamping shaft (8) is movably and rotatably arranged in the fixing sleeve (7).

4. The heavy duty adjustable support device of claim 1, wherein: The positioning rod (10) is threadedly connected in the fixing sleeve (7), and the positioning rod (10) and the pressing plate (11) are connected through a bearing.

5. The heavy duty adjustable support device of claim 1, wherein: The positioning mechanism (3) comprises two supporting rods (13), the supporting rod (13) and the bottom plate (1) are provided with a first hinge shaft (14), the two supporting rods (13) are movably installed on the top of the bottom plate (1) on both sides, the top end of the supporting rod (13) is movably installed with a positioning sleeve (15), the positioning sleeve (15) and the supporting rod (13) are provided with a second hinge shaft (16), the inner wall of the positioning sleeve (15) is movably installed with a plurality of second balls (17), and two fastening bolts (18) are connected on the outer side of one of the positioning sleeves (15).

6. A heavy duty adjustable support device for a scaffold as claimed in claim 5 wherein: The supporting rod (13) is movably connected with the bottom plate (1) and the positioning sleeve (15), and the two positioning sleeves (15) are arranged in a semicircle.

7. A heavy duty adjustable support device for a scaffold as claimed in claim 5 wherein: The fastening bolt (18) is movably and rotatably arranged in one of the positioning sleeves (15), and one end of the fastening bolt (18) is threadedly connected with the other positioning sleeve (15).

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