CN208965998U

CN208965998U - Scaffold

Info

Publication number: CN208965998U
Application number: CN201821378745.1U
Authority: CN
Inventors: 姚林峰
Original assignee: Zhejiang Circle Construction Co Ltd
Current assignee: Zhejiang Circle Construction Co Ltd
Priority date: 2018-08-24
Filing date: 2018-08-24
Publication date: 2019-06-11
Anticipated expiration: 2028-08-24

Abstract

The utility model discloses a kind of scaffolds, it is related to a kind of scaffold, its key points of the technical solution are that being provided with the universal wheel for facilitating upright bar mobile at the top of upright bar, the bottom of the upright bar is provided with the positioning device for fixing upright bar including four upright bars and the job platform being connected at the top of upright bar；The positioning device includes the first sleeve being sheathed in upright bar, the second sleeve in the upright bar being sheathed below first sleeve and the first fixation kit being connected between first sleeve and second sleeve, the second fixation kit and third fixation kit；First fixation kit, the second fixation kit and third fixation kit include the first connecting rod being connected in first sleeve, the second connecting rod being connected in second sleeve and are vertically threadedly connected to stabilizer blade of the second connecting rod far from second sleeve end.The utility model solves the scaffold with universal wheel and can move in operation, and the bottom in upright bar is provided with positioning device, keeps upright bar more securely attached.

Description

Scaffold

Technical field

The utility model relates to a kind of scaffolds, more specifically, it is related to a kind of scaffold.

Background technique

Scaffold is generally used for construction site and is worker operation and solves vertically and horizontally transport and operation and set up each The material of kind bracket, scaffold production usually has bamboo, steel pipe or synthetic material etc..Button steel pipe scaffold is due to using button Part connects common steel tube, and versatility is stronger, to become at present using a kind of more form for building scaffold.

The prior art can refer to the Chinese utility model patent of Authorization Notice No. CN203066446U, and the utility model discloses A kind of hand propelled jenny scaffold, the scaffold for solving the prior art is mobile inconvenient, and using flexible is poor, and be not easy to climb The problem of climbing up, it includes the job platform and the upright bar that is arranged at the corner location of job platform bottom surface four in rectangle, The rod end is fixedly connected with job platform bottom surface, and upright bar bottom end is connected with idler wheel, wherein it is fixed with ladder in a upright bar, The ladder by a wherein upright bar and positioned at upright bar side ladder bars and several be horizontally installed on climbing between upright bar and ladder bars Bar is constituted, and the pole-climbing both ends are fixedly connected with upright bar and ladder bars respectively.

But this hand propelled jenny scaffold has the disadvantage that the bottom due to upright bar is provided with idler wheel, when by When external force, idler wheel is easy to roll, and keeps scaffold unstable.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of scaffold, on the top of upright bar Portion is provided with positioning device, and positioning device can prevent upright bar mobile, keep scaffold more firm.

To achieve the above object, the utility model provides following technical solution:

A kind of scaffold is provided at the top of upright bar including four upright bars and the job platform being connected at the top of upright bar The universal wheel for facilitating upright bar mobile, the bottom of the upright bar is provided with the positioning device for fixing upright bar；The positioning device Including the second sleeve in the first sleeve being sheathed in upright bar, the upright bar being sheathed below first sleeve and it is connected to first The first fixation kit, the second fixation kit and third fixation kit between sleeve and second sleeve；Described first fixed group Part, the second fixation kit and third fixation kit include the first connecting rod being connected in first sleeve, are connected to second set Second connecting rod on cylinder and it vertically is threadedly connected to stabilizer blade of the second connecting rod far from second sleeve end, first connecting rod is connected to First connecting rod, second connecting rod and upright bar is set to surround triangle jointly at the top of second connecting rod, universal wheel can be made by adjusting three stabilizer blades It is detached from ground.

By using above scheme, scaffold is shifted onto the place for needing operation through universal wheel, makes first sleeve to downslide It moves, makes the first fixation kit, the first connecting rod of the second fixation kit and third fixation kit, second connecting rod and the common structure of column At triangle, stabilizer blade is made to be connected to ground, and so that universal wheel is detached from ground upright bar picking-up, stability is had according to triangle, Keep upright bar and stabilizer blade more stable, prevent scaffold from moving in operation, keeps scaffold more stable.

Preferably, the stabilizer blade includes the screw rod being threadedly connected to second connecting rod far from second sleeve end and is connected to The fixing seat of screw rod bottom.

By using above scheme, when needing to adjust support foot hight, screw rod is turned, is connected to the fixing seat of screw rod bottom Ground.

Preferably, the bottom of the screw rod is installed with steel ball, open up fluted at the top of fixing seat, is opened up at the top of groove There is cambered surface.

By using above scheme, when fixing seat is abutted with ground, if encountering the situation of ground injustice, spiral shell is adjusted Bar rotates steel ball in groove, is a certain included angle screw rod with vertical levels face, reaches the effect of leveling.

Preferably, first fixation kit, the second fixation kit and third fixation kit can be received to the direction of upright bar It receives.

By using above scheme, the first fixation kit, the second fixation kit and third fixation kit can be to upright bars Direction storage, so as to reduce the space hold of the first fixation kit, the second fixation kit and third fixation kit.

Preferably, the one of first fixation kit, the second fixation kit and the first connecting rod on third fixation kit Hold hinged with first sleeve, one end of second connecting rod and second sleeve are hinged, the one end of first connecting rod far from first sleeve and the The one end of two connecting rods far from second sleeve is hinged.

By using above scheme, first sleeve is slid upwards, first sleeve drives first connecting rod to move upwards, thus band Dynamic second connecting rod and stabilizer blade are stored to the direction of upright bar, to reduce the first fixation kit, the second fixation kit and third Fixation kit the space occupied.

Preferably, offering external screw thread in the upright bar, the top and bottom of the first sleeve are threaded with respectively First nut and the second nut.

By using above scheme, when work, the first nut and the second nut is screwed down, make three stabilizer blades and ground It abuts, and universal wheel is jacked up, reach the fixation to upright bar；When not working, the first nut and the second nut are twisted upwards, makes One sleeve drives first connecting rod to move upwards, so that second connecting rod and stabilizer blade be driven to store to the direction of upright bar.

Preferably, the first caging bolt and the second limit spiral shell are threaded in the first sleeve and second sleeve respectively Bolt.

By using above scheme, the first caging bolt and the second caging bolt are turned, makes the first caging bolt and second The end of caging bolt is abutted with upright bar, can prevent first sleeve and second sleeve from circumferentially rotating around upright bar.

The utility model is further arranged to: being provided between two ipsilateral upright bars of the job platform cross one another Reinforcing rod.

By using above scheme, triangle is constituted between reinforcing rod and upright bar and first crossbar, triangle, which has, to be stablized Property, upright bar can be made more firm.

The utility model is further arranged to: being detachably connected between the reinforcing rod and upright bar.

It is detachably fixed connection by using above scheme, between reinforcing rod and upright bar, facilitates the peace installation and dismantling of reinforcing rod It unloads.

The utility model is further arranged to: the side of the upright bar is fixedly connected with ladder.

By using above scheme, ladder can facilitate on staff to carrying out operation on job platform.

In conclusion the utility model has the advantages that compared with the prior art

1. the bottom of upright bar is provided with universal wheel, sliding is connected with first sleeve and second set in the upright bar of universal wheel Cylinder, there are three connections in first connecting rod second sleeve there are three second connecting rod for connection in first sleeve, and first connecting rod is connected to the First connecting rod, second connecting rod and upright bar is set to surround triangle jointly at the top of two connecting rods, all second connecting rods are far from second sleeve End be vertically threaded with stabilizer blade, so that stabilizer blade is connected to ground, and so that universal wheel is detached from ground upright bar picking-up, according to three It is angular that there is stability, keep upright bar and stabilizer blade more stable, prevent scaffold from moving in operation, makes scaffold more Stablize；

2. one end of first connecting rod and first sleeve are hinged, one end of second connecting rod and second sleeve are hinged, first connecting rod The one end of one end and second connecting rod far from second sleeve far from first sleeve is hinged, slides first sleeve, first sleeve upwards First connecting rod is driven to move upwards, to drive second connecting rod and stabilizer blade to store to the direction of upright bar, so that it is solid to reduce first Determine component, the second fixation kit and third fixation kit the space occupied.

Detailed description of the invention

Fig. 1 is the axonometric drawing of embodiment；

Fig. 2 is the portion the A enlarged drawing of Fig. 1；

Fig. 3 is the explosive view of positioning device；

Fig. 4 is the cross-sectional view of stabilizer blade.

Appended drawing reference: 1, upright bar；11, first crossbar；12, second crossbar；13, ladder；131, pole-climbing；132, ladder bars；14, Universal wheel；15, reinforcing rod；151, the first screw rod；152, through-hole；153, fixture nut；2, job platform；3, positioning device；31, First sleeve；311, the first nut；312, the second nut；313, the first caging bolt；32, second sleeve；321, the second limit Bolt；33, the first fixation kit；331, first connecting rod；332, second connecting rod；333, stabilizer blade；3331, screw rod；3332, steel ball； 3333, fixing seat；3334, groove；34, the second fixation kit；35, third fixation kit.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawing.The wherein identical attached drawing of identical components Label indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to It is the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and "outside" are referred respectively to towards or away from particular elements geometry The direction at center.

Embodiment: a kind of scaffold including four upright bars 1 disposed in parallel and is set to 1 top of upright bar referring to Fig. 1 Job platform 2, upright bar 1 in pairs, are fixedly connected with first crossbar 11, the bottom of every group of upright bar 1 between the top of every group of upright bar 1 Second crossbar 12 is fixedly connected between portion, the both ends of job platform 2 are rotationally connected in first crossbar 11.

It referring to Fig. 1, is climbed up on job platform 2 in order to facilitate people, the side of upright bar 1 is fixedly connected with ladder 13, ladder 13 By one and the pole-climbing 131 disposed in parallel of upright bar 1 and more 132 structures of ladder bars being fixedly connected between pole-climbing 131 and upright bar 1 At, one end of pole-climbing 131 is fixedly connected in first crossbar 11, and the other end of pole-climbing 131 is fixedly connected in second crossbar 12, Ladder bars 132 are uniformly fixedly connected between ladder bars 132 and upright bar 1, and ladder bars 132 are vertically arranged with upright bar 1 and pole-climbing 131. It when changing operating location, needs to move jenny scaffold, in order to facilitate the transfer of jenny scaffold, the bottom of upright bar 1 Portion is provided with universal wheel 14.

Referring to Fig. 1 and Fig. 2, it in order to reinforce the stability between each group upright bar 1, is detachably fixed and is connected between upright bar 1 Four reinforcing rods 15, cross-distribution is between two groups of upright bars 1 in pairs for reinforcing rod 15, the junction rotation of two reinforcing rods 15 Connection, after easy to disassemble, carries out two reinforcing rods 15 side by side, to reduce space, convenient transportation；Four reinforcing rods 15 and vertical The connection structure of bar 1 is identical, and the first screw rod 151 is threaded in upright bar 1, and the end of reinforcing rod 15 offers through-hole 152, leads to Hole 152 can be sheathed on reinforcing rod 15, and the first screw rod 151 is connected with fixture nut 153 far from the threaded one end of upright bar 1, convenient The disassembly and installation of reinforcing rod 15.

Referring to Fig. 1 and Fig. 3, when operation, universal wheel 14 drives upright bar 1 mobile in order to prevent, and the bottom of upright bar 11 is provided with Positioning device 3.Upright bar 1 offers external screw thread close to the bottom of universal wheel 14, and positioning device 3 includes that sliding is connected in upright bar 1 First sleeve 31, sliding is connected to the second sleeve 32 of the lower section of first sleeve 31 and is connected to first sleeve 31 and second set The first fixation kit 33, the second fixation kit 34 and third fixation kit 35 between cylinder 32.

Referring to Fig. 3 and Fig. 4, the first fixation kit 33, the second fixation kit 34 and 35 structure of third fixation kit are identical, Herein only by taking the first fixation kit 33 as an example.First fixation kit 33 include be articulated in first sleeve 31 first connecting rod 331, The second connecting rod 332 that is articulated in second sleeve 32 and first connecting rod 331 is vertically arranged to far from 32 one end of second sleeve Stabilizer blade 333, first connecting rod 331 are articulated with top of the second connecting rod 332 far from second sleeve 32 far from one end of first sleeve 31, Make to collectively form triangle between first connecting rod 331, second connecting rod 332 and upright bar 1, stability, energy are had according to triangle Enough make upright bar 1 and stabilizer blade 333 more stable.Stabilizer blade 333 includes the screw rod 3331, fixed being threadedly connected on second connecting rod 332 In the steel ball 3332 of 3331 bottom of screw rod and fixing seat 3333 positioned at 3332 bottom of steel ball, fixing seat 3333 is in boss-shaped, The top of fixing seat 3333 opens up fluted 3334, and the top of groove 3334 offers cambered surface 3335, and steel ball 3332 is rotatablely connected In the rotation space that in groove 3334, cambered surface 3335 gives screw rod 3331 certain.In use, turning screw rod 3331, adjustable feet 333 height props stabilizer blade 333 by upright bar 1, so that universal wheel 14 is detached from ground, can prevent universal wheel from moving in operation； Steel ball 3332 can rotate in the groove 3334 at 3333 top of fixing seat, can level to stabilizer blade 333.

Referring to Fig. 3, the top and bottom of first sleeve 31 are respectively arranged with the first nut 311 and the second nut 312, and first Nut 311 and the second nut 312 are threadedly connected in upright bar 1, when work, downwards by the first nut 311 and the second nut 312 It twists, abuts three stabilizer blades 333 with ground, and universal wheel 14 is jacked up, reach the fixation to upright bar 1；When not working, by One nut 311 and the second nut 312 are twisted upwards, make first sleeve 31 that first connecting rod 331 be driven to move upwards, to drive second Connecting rod 332 and stabilizer blade 333 are stored to the direction of upright bar 1, reduce the first fixation kit 33, the second fixation kit 34 and third 35 the space occupied of fixation kit；To prevent first sleeve 31 and second sleeve 32 from rotating around upright bar 1, second sleeve 32 and the First Line position bolt 313 and the second caging bolt 321 are threaded on two sleeves 32 respectively.

It uses principle: scaffold is shifted onto the place for needing operation, first unscrew the first caging bolt 313 and the second limit spiral shell Bolt 321 is detached from the end of the first caging bolt 313 and the second caging bolt 321 with upright bar 1, then turns the first nut 311 With the second nut 312, makes the first nut 311 and the second nut 312 that first sleeve 31 be driven to slide downwards, make stabilizer blade 333 and ground Face abuts, and adjusts stabilizer blade 333, jacks up stabilizer blade 333 by upright bar 1, so that the universal wheel 14 of 1 bottom of upright bar is detached from ground, then twist Tight first caging bolt 313 and the second caging bolt 321, can fix scaffold；After operation, the first nut is turned 311 and second nut 312, make the first nut 311 and the second nut 312 that first sleeve 31 be driven to move up, it can be by first Connecting rod 331, second connecting rod 332 and stabilizer blade 333 are stored to the direction of upright bar 1, so that universal wheel 14 is connected to ground, are facilitated foot hand The transfer of frame.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims

1. a kind of scaffold, including four upright bars (1) and the job platform (2) being connected at the top of upright bar (1), upright bar (1) Top is provided with the universal wheel (14) for facilitating upright bar (1) mobile, it is characterised in that:

The bottom of the upright bar (1) is provided with the positioning device (3) for fixing upright bar (1)；

The positioning device (3) includes the first sleeve (31) being sheathed on upright bar (1), is sheathed below first sleeve (31) Second sleeve (32) in upright bar (1) and the first fixation kit being connected between first sleeve (31) and second sleeve (32) (33), the second fixation kit (34) and third fixation kit (35)；

First fixation kit (33), the second fixation kit (34) and third fixation kit (35) include being connected to first It first connecting rod (331) on sleeve (31), the second connecting rod (332) being connected on second sleeve (32) and vertical is threadedly coupled In the stabilizer blade (333) of second connecting rod (332) far from second sleeve (32) end, first connecting rod (331) is connected to second connecting rod (332) so that first connecting rod (331), second connecting rod (332) and upright bar (1) is surrounded triangle jointly at the top of, adjust three stabilizer blades (333) universal wheel (14) can be made to be detached from ground.

2. scaffold according to claim 1, it is characterised in that: the stabilizer blade (333) includes being threadedly connected to the second company The screw rod (3331) of separate second sleeve (32) end of bar (332) and the fixing seat for being connected to screw rod (3331) bottom (3333)。

3. scaffold according to claim 2, it is characterised in that: the bottom of the screw rod (3331) is installed with steel ball (3332), it is opened up fluted (3334) at the top of fixing seat (3333), groove offers cambered surface at the top of (3334).

4. scaffold according to claim 1, it is characterised in that: first fixation kit (33), the second fixation kit (34) and third fixation kit (35) can be stored to the direction of upright bar (1).

5. scaffold according to claim 4, it is characterised in that: first fixation kit (33), the second fixation kit (34) one end of the first connecting rod (331) and on third fixation kit (35) and first sleeve (31) hingedly, second connecting rod (332) one end and second sleeve (32) hingedly, first connecting rod (331) one end and second connecting rod far from first sleeve (31) (332) one end far from second sleeve (32) is hinged.

6. scaffold according to claim 1, it is characterised in that: offer external screw thread on the upright bar (1), described first The top and bottom of sleeve (31) are threaded with the first nut (311) and the second nut (312) respectively.

7. scaffold according to claim 1, it is characterised in that: divide on the first sleeve (31) and second sleeve (32) It is not threaded with the first caging bolt (313) and the second caging bolt (321).

8. scaffold according to claim 1, it is characterised in that: two ipsilateral upright bars (1) of the job platform (2) it Between be provided with cross one another reinforcing rod (15).

9. scaffold according to claim 8, it is characterised in that: detachable between the reinforcing rod (15) and upright bar (1) It is fixedly connected.

10. scaffold according to claim 1, it is characterised in that: the side of the upright bar (1) is fixedly connected with ladder (13)。