CN110644751A

CN110644751A - Anti-toppling scaffold

Info

Publication number: CN110644751A
Application number: CN201910928823.3A
Authority: CN
Inventors: 潘陈荣; 段国荣; 周翔
Original assignee: Wenzhou Ou Xiamen Construction Co Ltd
Current assignee: Wenzhou Ou Xiamen Construction Co Ltd
Priority date: 2019-09-28
Filing date: 2019-09-28
Publication date: 2020-01-03
Anticipated expiration: 2039-09-28
Also published as: CN110644751B

Abstract

The invention discloses an anti-toppling scaffold, which comprises a pedal and four support columns arranged at two ends of the pedal in pairs, wherein the outer circumferential wall of the bottom ends of the support columns is provided with first sliding chutes, the number of the first sliding chutes is four relative to the circumferential direction of the support columns, and the bottoms of the support columns are provided with sealing covers; still including locating the anti-toppling device of support column bottom, the anti-toppling device includes the supporting legs, the cover that link to each other with the slider of first spout looks adaptation and establishes and press the cover on the support column and be used for fixed locking mechanism, be provided with two fixed plates on the slider relatively, the supporting legs is located between two fixed plates and rather than being the activity hinge joint, it is the open slot of open-ended to be equipped with the bottom on the slider. Compared with the existing scaffold, the scaffold can prevent toppling, and has high safety, long service life and low construction cost.

Description

Anti-toppling scaffold

Technical Field

The invention relates to the technical field of building construction, in particular to an anti-toppling scaffold.

Background

At present, scaffolds are adopted in building construction, road and bridge construction or ship building industry. The existing scaffold has the defects of no anti-tilting device, inconvenient use, insufficient firmness, potential safety hazard in the construction process of workers and low safety factor. Scaffold among the prior art can cause the slope easily in the use, has certain potential safety hazard, and the general life of scaffold is not long simultaneously, often damages easily, has also increased construction cost.

Disclosure of Invention

In view of the above problems, an object of the present invention is to provide a scaffold that can prevent toppling, is highly safe, has a long service life, and is low in construction cost.

Aiming at the problems, the following technical scheme is provided: an anti-toppling scaffold comprises a pedal and four support columns arranged at two ends of the pedal in pairs, wherein first sliding grooves are formed in the outer circumferential wall of the bottom ends of the support columns, the number of the first sliding grooves is four relative to the circumferential direction of the support columns, and sealing covers are arranged at the bottoms of the support columns; the anti-toppling device comprises a sliding block matched with the first sliding groove, a supporting leg connected with the sliding block, a pressing sleeve sleeved on the supporting leg and a locking mechanism for fixing, wherein the pressing sleeve is sleeved on the supporting leg, the two fixing plates are oppositely arranged on the sliding block, the supporting leg is positioned between the two fixing plates and is movably hinged with the supporting leg, the sliding block is provided with an open slot with an opening at the bottom, the bottom end of the pressing sleeve is abutted to the top end of the supporting leg, the inner wall of the pressing sleeve is provided with a convex block matched with the open slot for sliding, the outer circumferential wall of the pressing sleeve is provided with a locking hole, the supporting leg is provided with a first positioning hole corresponding to the locking hole, the locking mechanism comprises two hinged plates which are oppositely arranged on the outer circumferential wall of the pressing sleeve, a hinged plate column for connecting the two hinged plates, a locking column sleeved on the hinged column, the locking post is provided with a second sliding groove matched with the hinge post in a sliding manner, the pressing sleeve penetrates through the locking hole and the first positioning hole through the locking post and then is connected with the locking nut to be fixed on the supporting post, the second positioning hole is arranged below the first positioning hole on the supporting post, and the pressing sleeve can move up and down relative to the supporting post.

In the above-mentioned structure, when using the support frame, loosen lock nut, through the cooperation of second spout and articulated post, pull out the locking post for locking post and support column separation, the locking post is flagging naturally. After the locking mechanism is opened, the pressing sleeve is pressed downwards, the convex block is matched with the open slot, the sliding block is driven to be matched with the first sliding groove to control the pressing sleeve to press downwards to the supporting leg, the bottom surface of the fixing plate is driven to abut against the end surface of the sealing cover, the top end of the supporting leg is pressed downwards to abut against the bottom surface of the pressing sleeve and the top surface of the fixing plate through the pressing sleeve, the bottom end of the supporting leg abuts against the bottom surface, the locking column is rotated and matched with the hinge column through the second sliding groove, the supporting column is controlled to be inserted into the locking hole and the second positioning hole and then connected and fixed through the locking nut, therefore, the ground gripping force of the supporting leg can. The four first sliding grooves are matched with the four supporting legs, so that the four directions of the supporting legs can be supported, and the stability of the invention is further improved. When the finger stall is not used, the locking column can be taken out, the pressing sleeve is moved upwards, the convex block is matched with the open slot to drive the sliding block and the supporting leg to move to the required work, and after the pressing sleeve is moved to the initial position, the locking column penetrates through the locking hole and the first positioning hole and then is connected with the locking nut, so that the finger stall and the finger stall are fixed on the supporting column. The locking mechanism can be used for conveniently fixing the position of the pressing sleeve and conveniently storing the anti-toppling device, so that the use space of the anti-toppling device after storage is reduced. The first sliding groove is formed in the locking column, so that the locking column can move in a reciprocating mode relative to the hinge column, and the reliability of the hinge column is improved. The locking nut is matched with the locking column, so that the locking column is convenient to disassemble and assemble, and convenience is improved. The slider can be matched with the lug conveniently by arranging the open slot.

The invention is further arranged that the supporting leg comprises a movable part matched with the pressing sleeve, a connecting part connected with the movable part and a supporting part connected with the connecting part and extending outwards horizontally relative to the ground, and a hinge point of the supporting leg matched with the hinge column is positioned between the movable part and the connecting part.

In the structure, the pressing sleeve is abutted to the movable part, and the movable part, the connecting part and the supporting part can be driven to swing relative to a hinge point through the vertical displacement of the pressing sleeve.

The invention is further provided that the support column comprises a connecting column connected with the pedal and a movable column sleeved on the connecting column, the movable column is fixedly connected with the connecting column through a locking mechanism, the upper section of the connecting column is provided with an adjusting hole matched with the locking column, and the movable column can slide up and down relative to the connecting column.

By adopting the structure, the connecting column and the movable column can be detached when the portable folding table is stored, so that the portable folding table is small in occupied space and convenient to transport. The connecting column and the movable column are detachably connected through the locking mechanism, so that the connecting column and the movable column can be conveniently replaced, and a damaged part can be independently replaced, so that the use cost of the invention is reduced. The height of the pedal from the ground can be conveniently adjusted by arranging the adjusting hole, so that the pedal type adjustable pedal is suitable for more working conditions, and the reliability of the pedal type adjustable pedal is improved.

The invention is further arranged that the connecting column is movably hinged with the pedal, a hook is arranged at the position of the end part of the pedal corresponding to the connecting column, a retaining ring which is matched and buckled with the hook is arranged on the outer circumferential wall of the connecting column,

in the structure, the connecting column is movably hinged with the pedal, so that the folding and storage of the foldable bicycle pedal are facilitated, and the using space of the foldable bicycle pedal is reduced. The hook is arranged and matched with the retaining ring, so that the self-locking effect of the connecting column can be realized, and the connecting column is prevented from automatically folding back after being pressed, so that the reliability of the invention is improved.

The invention is further provided that the plurality of hooks are arranged towards the width direction of the pedal.

By adopting the structure, a worker can conveniently hang other needed articles, so that the construction of the worker can be facilitated, and the convenience and the reliability of the invention are improved.

The pedal comprises a left plate and a right plate which are movably hinged, and the left plate and the right plate can be downwards folded relative to the central positions of the left plate and the right plate.

In the structure, the pedal can be conveniently folded and stored by arranging the left plate and the right plate, so that the pedal can be better stored, the service life of the pedal is prolonged, and the occupied space is small. By adopting the structure, the force of a worker on the pedal is opposite to the relative folding direction of the left plate and the right plate, so that the pedal can be prevented from being folded when the worker treads on the pedal, and the reliability of the invention is improved.

The invention is further provided that the bottom of the supporting part is provided with an anti-skid groove.

By adopting the structure, the ground gripping force of the supporting part can be improved, so that the stability and the reliability of the invention are improved.

The invention has the beneficial effects that: compared with the existing scaffold, the scaffold can prevent toppling, and has high safety, long service life and low construction cost. The hook can be used for facilitating workers to hang other required articles, so that the construction of the workers can be facilitated, and the convenience and the reliability of the invention are improved.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the support column of the present invention.

Fig. 3 is a schematic sectional structure view of the support column of the present invention.

Fig. 4 is a schematic view of the pressing structure of the pressing sleeve of the present invention.

The reference numbers in the figures mean: 1-a pedal; 2-a support column; 21-a first runner; 22-sealing cover; 3-anti-toppling device; 31-a slide block; 32-supporting feet; 33-pressing and sleeving; 4-a locking mechanism; 311-a fixed plate; 312-an open slot; 331-bumps; 332-a locking hole; 23-a first locating hole; 41-hinged plate; 42-a hinged column; 43-locking post; 44-a locking nut; 431-a second runner; 24-a second positioning hole; 321-a movable part; 322-a connecting portion; 323-a support portion; 25-connecting column; 251-a conditioning aperture; 26-a movable column; 5-hooking; 252-a retaining ring; 11-left panel; 12-right panel.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

The anti-toppling scaffold shown in fig. 1 to 4 comprises a pedal 1 and four support columns 2 arranged at two ends of the pedal 1 in pairs, wherein the outer circumferential wall of the bottom ends of the support columns 2 is provided with first sliding grooves 21, the number of the first sliding grooves 21 is four in the circumferential direction relative to the support columns 2, and the bottom of each support column 2 is provided with a sealing cover 22; still including locating the anti-toppling device 3 in support column 2 bottom, the anti-toppling device 3 includes the slider 31 with first spout 21 looks adaptation, the supporting legs 32 that link to each other with slider 31, cover and establish the pressure cover 33 on support column 2 and be used for fixed locking mechanism 4, be provided with two fixed plates 311 on the slider 31 relatively, the supporting legs 32 is located between two fixed plates 311 and is the activity hinge rather than, it is open slot 312 that the bottom is open-ended to be equipped with on the slider 31, the top in support legs 32 is supported to the pressure cover 33 bottom, be equipped with on the inner wall of pressure cover 33 with the gliding lug 331 of open slot 312 adaptation, locking hole 332 has been seted up on the outer periphery of pressure cover 33, be equipped with the first locating hole 23 corresponding with locking hole 332 on support column 2, locking mechanism 4 is including setting up two articulated slab 41, two articulated slab 41 on the outer periphery of pressure cover 33, A lock nut 44 for connecting two articulated sheets 41's hinge post 42, cover establish the locking post 43 on hinge post 42 and with locking post 43 threaded connection, set up on the locking post 43 with the gliding second spout 431 of hinge post 42 looks adaptation, press cover 33 to pass behind locking hole 332 and the first locating hole 23 through locking post 43 and link to each other fixedly with support column 2 with lock nut 44 on, it is equipped with second locating hole 24 to lie in first locating hole 23 below on support column 2, press cover 33 relative support column 2 displacement from top to bottom.

In the above-mentioned structure, when using the support frame, loosen lock nut 44, cooperate with articulated post 42 through second spout 431, pull out locking post 43 for locking post 43 and support column 2 separate, locking post 43 is flagging naturally. After the locking mechanism 4 is opened, the pressing sleeve 33 is pressed downwards, the convex block 331 is matched with the open slot 312, the sliding block 31 is driven to be matched with the first sliding groove 21 to control the pressing sleeve 33 to press downwards the supporting leg 32, the driving enables the bottom surface of the fixing plate 311 to be abutted against the end surface of the sealing cover 22, the pressing sleeve 33 presses downwards the top end of the supporting leg 32 until the bottom surface of the pressing sleeve 33 is abutted against the top surface of the fixing plate 311, the bottom end of the supporting leg 32 is abutted against the bottom surface, the locking column 43 is rotated to be matched with the hinge column 42 through the second sliding groove 431, and the supporting leg 2 is controlled to be inserted into the locking hole 332 and the second positioning hole 24 and then is connected and fixed through the locking nut 44, so that the ground gripping force of the supporting. The four first sliding grooves 21 are matched with the four supporting feet 32, so that the four directions of the supporting feet 32 can be supported, and the stability of the invention is further improved. When the finger stall is not used, the locking column 43 can be taken out, the pressing sleeve 33 is moved upwards, the convex block 331 is matched with the open slot 312 to drive the slide block 31 and the supporting leg 32 to move to the required off duty, and after the pressing sleeve 33 is moved to the initial position, the locking column 43 penetrates through the locking hole 332 and the first positioning hole 23 and then is connected with the locking nut 44, so that the finger stall is fixed on the supporting column 2. The locking mechanism 4 can be used for conveniently fixing the position of the pressing sleeve 33 and conveniently storing the anti-toppling device 3, so that the use space of the anti-toppling device after storage is reduced. The locking column 43 can be displaced to and fro relative to the hinge column 42 by arranging the first sliding groove 21 on the locking column 43, thereby improving the reliability of the invention. The locking nut 44 is matched with the locking column 43, so that the assembly and disassembly are convenient, and the convenience of the invention is improved. The slider 31 can be easily engaged with the protrusion 331 by providing the opening groove 312.

In this embodiment, the supporting foot 32 includes a movable portion 321 engaged with the pressing sleeve 33, a connecting portion 322 connected with the movable portion 321, and a supporting portion 323 connected with the connecting portion 322 and extending horizontally outwards relative to the ground, and a hinge point of the supporting foot 32 engaged with the hinge column 42 is located between the movable portion 321 and the connecting portion 322.

In the above structure, the pressing sleeve 33 abuts against the movable portion 321, and the movable portion 321, the connecting portion 322, and the supporting portion 323 can be driven to swing relative to the hinge point by the vertical displacement of the pressing sleeve 33.

In this embodiment, the support column 2 includes a connection column 25 connected to the pedal 1 and a movable column 26 sleeved on the connection column 25, the movable column 26 is connected to and fixed to the connection column 25 through a locking mechanism 4, an adjusting hole 251 adapted to the locking column 43 is disposed at an upper section of the connection column 25, and the movable column 26 can slide up and down relative to the connection column 25.

By adopting the structure, the connecting column 25 and the movable column 26 can be detached when the portable folding table is stored, so that the space occupied by the portable folding table is small, and the portable folding table is convenient to transport. The connecting column 25 and the movable column 26 are detachably connected through the locking mechanism 4, so that the replacement can be facilitated, and a damaged part can be replaced independently, so that the use cost of the invention is reduced. The height of the pedal 1 from the ground can be conveniently adjusted by arranging the adjusting hole 251, so that the invention is suitable for more working conditions, and the reliability of the invention is improved.

In the embodiment, the connecting column 25 is movably hinged with the pedal 1, the hook 5 is arranged at the position of the end part of the pedal 1 corresponding to the connecting column 25, the retaining ring 252 which is matched and buckled with the hook 5 is arranged on the outer circumferential wall of the connecting column 25,

in the structure, the connecting column 25 is movably hinged with the pedal 1, so that the folding and the storage of the invention are convenient, and the use space of the invention is reduced. The hook 5 is arranged and matched with the retaining ring 252 to realize the self-locking effect on the connecting column 25, and the connecting column 25 is prevented from automatically folding back after being pressed, so that the reliability of the invention is improved.

In this embodiment, the hooks 5 are provided in a plurality in the width direction of the pedal 1.

In this embodiment, the pedal 1 includes a left plate 11 and a right plate 12 movably hinged to the left plate 11, and the left plate 11 and the right plate 12 can be folded downward relative to the central positions of the two.

In the structure, the pedal 1 can be conveniently folded and stored by arranging the left plate 11 and the right plate 12, so that the pedal can be better stored, the service life of the pedal is prolonged, and the occupied space of the pedal is small. By adopting the structure, the force of a worker on the pedal 1 is opposite to the relative folding direction of the left plate 11 and the right plate 12, so that the pedal 1 can be prevented from being folded when the worker steps on the pedal 1, and the reliability of the invention is improved.

In this embodiment, the bottom of the supporting portion 323 is provided with an anti-slip groove.

With the above structure, the grip of the support 323 can be improved, thereby improving the stability and reliability of the present invention.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and those modifications and variations assumed in the above are also considered to be within the protective scope of the present invention.

Claims

1. The utility model provides an anti-toppling scaffold, includes footboard and two liang of four support columns of establishing at the footboard both ends, its characterized in that: the outer circumferential wall of the bottom end of the support column is provided with four first sliding grooves in the circumferential direction relative to the support column, and the bottom of the support column is provided with a sealing cover; the anti-toppling device comprises a sliding block matched with the first sliding groove, a supporting leg connected with the sliding block, a pressing sleeve sleeved on the supporting leg and a locking mechanism for fixing, wherein the pressing sleeve is sleeved on the supporting leg, the two fixing plates are oppositely arranged on the sliding block, the supporting leg is positioned between the two fixing plates and is movably hinged with the supporting leg, the sliding block is provided with an open slot with an opening at the bottom, the bottom end of the pressing sleeve is abutted to the top end of the supporting leg, the inner wall of the pressing sleeve is provided with a convex block matched with the open slot for sliding, the outer circumferential wall of the pressing sleeve is provided with a locking hole, the supporting leg is provided with a first positioning hole corresponding to the locking hole, the locking mechanism comprises two hinged plates which are oppositely arranged on the outer circumferential wall of the pressing sleeve, a hinged plate column for connecting the two hinged plates, a locking column sleeved on the hinged column, the locking post is provided with a second sliding groove matched with the hinge post in a sliding manner, the pressing sleeve penetrates through the locking hole and the first positioning hole through the locking post and then is connected with the locking nut to be fixed on the supporting post, the second positioning hole is arranged below the first positioning hole on the supporting post, and the pressing sleeve can move up and down relative to the supporting post.

2. An anti-tipping scaffold according to claim 1, characterised in that: the supporting legs include with pressing cover matched with movable part, the connecting portion that links to each other with the movable part and link to each other and the supporting part that extends outside relatively the ground level, the supporting legs is located between movable part and the connecting portion with articulated post matched with pin joint.

3. An anti-tipping scaffold according to claim 1, characterised in that: the support column comprises a connecting column connected with the pedal and a movable column sleeved on the connecting column, the movable column is fixedly connected with the connecting column through a locking mechanism, an adjusting hole matched with the locking column is formed in the upper section of the connecting column, and the movable column can slide up and down relative to the connecting column.

4. An anti-tipping scaffold according to claim 3, characterised in that: the connecting column is movably hinged with the pedal, a hook is arranged at the position, corresponding to the connecting column, of the end of the pedal, and a retaining ring matched with the hook in a buckling mode is arranged on the outer circumferential wall of the connecting column.

5. An anti-tipping scaffold according to claim 4, characterised in that: the pothook is provided with a plurality of hooks towards the width direction of the pedal.

6. An anti-tipping scaffold according to claim 1, characterised in that: the pedal comprises a left plate and a right plate which are movably hinged, and the left plate and the right plate can be downwards turned relative to the central positions of the left plate and the right plate.

7. An anti-tipping scaffold according to claim 2, characterised in that: and the bottom of the supporting part is provided with an anti-skid groove.