CN2703075Y - Lead and taper type multifunction scaffold - Google Patents

Abstract

The utility model provides a multifunction scaffold comprising steel tubes. Rod pieces are connected by adopting a bowl fastening type. The multifunction scaffold is characterized in that the tooth fasteners engaged with each other are provided between the joints of the transversal rod pieces and the lower bowl fasteners of the vertical rods, and the joints are pressed by upper bowl fasteners lifted on top pins, the multifunction scaffold not only makes the three-dimensional space of the structure be firmly and reliably stressed, but also the multifunction scaffold has quick installation and labor saving. The joints are not limited by directions, and the loading capacity of the scaffold also can be regulated through regulating the density degree of the vertical rods. The length of the scaffold has multiple sizes, and the scaffold has auxiliary components, so the scaffold is not limited by the height of the land and the shape of the structure object, and due to the connecting piece with tooth fasteners can be once formed, the multifunction scaffold has low cost.

Description

Tooth button-type multifunction scaffold

The present invention relates to the scaffold that a kind of building operations is used, particularly a kind of scaffold of multi-functional one-tenth series.

The scaffold that uses in the present civil works, the scaffold that useful galvanized wire colligation mao bamboon or round log are assembled into, useful bolted fastener type steel pipe scaffold, Sterling at grade intersection scaffold as Britain, the door-type scaffold that useful door shape stationary frame structure is assembled into, door-type scaffold as the production of Japanese Wako Trading Co., Ltd, also useful steel pipe is welded into triangle, quadrangle, integral frame-type scaffold that form such as trapezoidal is interconnected to then etc., but all there is certain shortcoming in all these scaffolds, what have will expend a large amount of bamboo and wood materials, can not form series of products; The fastener that has will carry installation by the workman, both loses easily, wastes time and energy again during assembly unit; The complex structure that has, the cost height, function is few, and bearing capacity can not change; What have is then too heavy, transports constantly, can only use in major works; The major accident that scaffold integral body is decayed also took place because of assembly unit rear stability difference in what have.

The bowl button-type tubular scaffolding that Britain SGB company produces is a kind of scaffold of multi-functional one-tenth series.In a vertical rod, establish a joint, utilize a cover bowl fastening type connector, can connect four cross bars simultaneously, install rapidly every 50cm, easy to use.But, the connector of this scaffold, being connected of upper and lower bowl button and cross bar joint, can not accomplish precision continuously, so many cross bars are when connecting on a joint, the cross bar joint can not be all compacted in the bowl button, thus this joint design resist such as wind-force, eccentric force and at random laterally intensity of force a little less than, be difficult to guarantee when setting up high-rise scaffold, problem can not take place.

The objective of the invention is to provide a kind of scaffold of improved multi-functional one-tenth series, it is not only installed and removes conveniently, is suitable for multiple use, and can increases the three dimensions stability of scaffold greatly.

Invention is to realize like this, on the basis of the bowl button-type tubular scaffolding that Britain SGB company produces, improve its connection device, promptly recessed tooth is set being fixed in the vertical rod following bowl button top inner edge, the plush copper armpit place of the joint of installing at cross bar or brace two ends is provided with double wedge, when vertical rod is connected with cross bar or brace, the recessed tooth of the double wedge on the joint and following bowl button is meshed, and after will going up the bowl button again and falling fastening joint top, connection i.e. announcement is finished.Adopt this connected mode, be equipped with other accessory again, promptly can be assembled into multi-purpose scaffold, Stability Analysis of Structures, solid and reliable.

The present invention mainly contains following advantage:

1, structural strength is good, and is reliable and stable in three dimensions, uses tooth button-type joint, makes the whole local pressure of participating in of scaffold, compares with anodontia button person, improves more than 20% of structural strength approximately.In addition, according to circumstances, can the company's of setting up wall device and brace, increased the strength and stiffness of scaffold.

2, construction is laborsaving rapidly, and accessory is difficult for losing, and reduces labor intensity: because of this joint, only knock with hand hammer, promptly dismantled and assembled, in case of necessity, vertical rod can be installed connecting pin additional, with the scaffold integral hoisting that assembles, so dismounting is laborsaving rapidly.Because of the main member that connects scaffold is attached on the rod member, compare again, both can prevent that accessory from losing the heavy burden that need carry a large amount of bolts in the time of can removing workman's assembly unit, dismounting scaffold again from bolt fastener.

3, applied widely, highly versatile adds auxiliary bar, form seriation after, multiple use can be provided: the present invention not only can be by straight line but also can be by arrangement of curves; Both can on the level land, use, can on the ground of any discrepancy in elevation, use again; Both can make scaffold, bracing frame, support column can be made climbing scaffold again, material hoisting frame, safety net support bar.When making scaffold and bracing frame and using, can adjust set spacing flexibly, thereby, adjust the grade of load according to the density degree of vertical rod according to load request.Therefore, the present invention can be widely used in multiple building, as crane span structure, tunnel, room build, engineerings such as bridge, water tower, chimney.

4, the rod member syndeton is simple, and is easy to maintenance, durable in use, and during transportation, entrucking and stacking keeping occupy little space.

5, for high-lager building, as adopt climbing scaffold of the present invention, then can reduce the scaffold consumption in a large number, and can rise step by step along the building main body.

6, because of the following bowl button that has the tooth button and the joint of cross bar or brace, all can with following bowl of button and joint one-shot forming so cost of production of the present invention, compare with the scaffold of production Britain SGB company, be more or less the same, but than the producer of SGB company, its structural performance is reliable and stable far.

Below in conjunction with accompanying drawing, the present invention is described in further detail.

Fig. 1 tooth snapping head structure

1-vertical rod 5-go up bowl to detain

2-cross bar, 6-ejector pin

3-following bowl button 7-fastening blocks (detaining with last bowl is an integral body)

4-cross bar joint

Fig. 2 tooth snapping head

Following bowl of button of Fig. 3

24-recessed tooth

Bowl button on Fig. 4

Fig. 5 cross bar joint

Fig. 6 brace and brace joint

8-brace, 22-bolt

9-brace joint, 23-pin

25-double wedge

Fig. 7 double-pole scaffold arrangement diagram (brace is not drawn in the plan view)

10-connect wall to support

11-safety net and support bar

12-vertical rod base

13-vertical rod adjustable seats

The single scaffold arrangement diagram of Fig. 8 (brace is not drawn in the plan view)

Fig. 9 bracing frame arrangement diagram

Figure 10 support post construction figure

14-adjustable supports column base

15-support column base

Figure 11 climbing scaffold arrangement diagram

16-outrigger 26-pre embedded bolt climbs

17-widen outrigger

18-lifting tackle group

19-pre embedded bolt

Figure 12 outrigger constructional drawing that climbs

20-pulling force gripper shoe, 27-screw-jack

21-thrust support plate

During the assembly unit scaffold, as Fig. 1, shown in 2, set joint in vertical rod, rotation and on carry and can be on freely rotating in the vertical rod bowl detaining, make ejector pin (6) have the fastening block (7) of cotter way and will go up bowl button (5) and be stuck on the ejector pin (6) by it, the nose portion of transverse bar member joint is inserted in the following bowl of button (3), the part tooth button of bowl button (3) is meshed with the tooth button of joint, to go up bowl button (5) then falls, fasten joint top, and the clockwise direction rotation, because of last bowl button end face is the spiral ascending curve, the top is subjected to the extruding of ejector pin (6), more twist tightlier, beat 2-3 time with the hand hammer clockwise direction more at last, can reach the spacing purpose of self-locking, this structure can be installed 4 cross bars or brace simultaneously at a contact.

When brace (8) is gone up installation brace joint (9), as shown in Figure 6, be to pound the brace end flat, with bolt (22) itself and brace joint are fused, with pin (23) bolt (22) is fixed on the brace joint (9), and between brace (8) and the brace joint (9), can bolt (22) is pivot still, rotation relatively, the requirement of different angles when installing to satisfy.

Other are as the platform extension outrigger, safety net support bar and other various support members, and all available this joint connects.

For ease of construction, all vertical rods, brace, cross bar etc. all have plurality of specifications, and with auxiliary part, no matter set up double-pole scaffold, Fig. 7, single scaffold, Fig. 8, or bracing frame, Fig. 9, density degree that all can be by regulating vertical rod also is equipped with corresponding cross bar, forms the different scaffold of bearing capacity, simultaneously, its shape also can change with building shape.Vertical rod (1) has vertical rod base (12) to enlarge Area of bearing, and vertical rod adjustable seats (13) is to adjust the vertical rod height.In like manner, the support column of Figure 10 also is provided with support column base (15) and adjustable supports column base (14), plays same effect.

Because scaffolding structure of the present invention is stable, be connected firmly, so can be used as climbing scaffold, when assembling this scaffold, be to utilize pre embedded bolt (19) and (26) imbedded in the building to bear thrust and the pulling force that scaffold transmits, the outrigger that the wall-attachment tripod constitutes adopts the bottom to remove by frame as the carriage of scaffold, and the top connects high way by frame and realizes climbing.Earlier two adjustable seats on the joist are inserted in the scaffold upright rod (1) during assembling, open pore with pulling force gripper shoe (20) is inserted in pre embedded bolt (26) again, with the bolt hole of thrust support plate (21), be inserted in pre embedded bolt (19) and tighten all nuts at last and adjust screw-jack (27).During dismounting, stop operation earlier, unclamp the nut on screw-jack and thrust support plate and the pulling force gripper shoe then, pull down the outrigger that climbs on this frame scaffold top.

Below illustrate:

Adopt  48 * 3.5 steel pipe manufacturing vertical rods (1) and cross bar (2), with  48 * 2.2 steel pipe manufacturing braces (8), vertical rod length is divided into two kinds of specifications of 360cm, 240cm, cross bar length is pressed 30cm, 90cm, four kinds of specification settings of 120cm, 180cm, brace length is divided into three kinds of 169.7cm, 216.3cm, 254.6cm, with the A of thick 7mm ₂Steel plate strikes out the following bowl of button that the top inner edge is provided with 48 recessed teeth (7.5 ° of per tooths), directly be welded in the vertical rod (1) by the 60cm spacing, weld  10 bar dowels on it in addition as ejector pin (6), be fixed on the joint of cross bar (2) or brace (8) end, be to forge by No. 35 punching blocks to form, each joint is the arcuation plush copper in two ends up and down, and 5 double wedges are arranged at plush copper armpit place, when the assembling scaffold, two plush coppers are inserted up and down in the bowl button respectively and are made its double wedge detain the interior recessed tooth of part and be meshed with following bowl up and down, then by rotation, knock, the bowl button is held out against by ejector pin.This syndeton is used in combination with other member again, can form the multifunction scaffold of reliable and stable one-tenth series.According to calculating the double-pole scaffold scaffolding height, can reach more than the 50m.

Double-pole scaffold various combination load capacity change list

The high cm load force of the wide cm frame of channel width cm frame kg/m

I 120 180 180 3000

II 120 120 180 4200

III 120 90 180 5600

During the assembling climbing scaffold, because of the longest 360cm of vertical rod, so every joint is climbed and is defined as 360cm, consider that work high above the ground must guarantee safety, more common adding is twice during the computationally secure coefficient, the sidewalk tolerance of climbing scaffold is decided to be 90cm, and its load force is defined as 1/2 of common scaffold, and its package size divides two kinds of concrete numerals as follows:

The high cm load force of the wide cm frame of the wide cm frame in sidewalk kg/m

I 90 180 180 1500

II 90 120 180 2100

Claims (1)

1, a kind of multifunction scaffold of dressing up by steel pipe, comprising: vertical rod (1), cross bar (2), brace (8), vertical rod base (12), vertical rod adjustable seats (13), connect wall support (10), safety net and support bar (11), utilize the bowl fastening type connector to connect between these rod members, following bowl of button (3) arranged in vertical rod (1), ejector pin (6), and also have one can rotation in the vertical rod move on bowl button (5), cross bar joint (4) is arranged on cross bar (2), brace joint (9) is arranged on brace (8), it is characterized in that: the following bowl of top inner edge of detaining (3) at all scaffold joint components is provided with recessed tooth (24), arc plush copper armpit place at cross bar joint (4) or brace joint (9) is provided with double wedge (25), when vertical rod (1) and cross bar (2) or brace (8) when being connected, the nose portion of joint, in bowl button (5) and the following bowl of button (3), the double wedge (25) that plush copper armpit place is provided with is meshed with the recessed tooth of part (24) of following bowl of button (3) in the insertion.

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