CN1031576A - The improvement of scaffolding - Google Patents

Abstract

A kind ofly can be transported to the building site and can install simply on-site and provide safe door frame unit structure for the pedestrian.Each door frame unit structure is fit to be fixed on the adjacent similar door frame unit structure to form a mast apparatus.In addition, fastener has double action: fastening adjacent cells structure and dismountable protect to block be fastened on the mast apparatus.Described block construction is generally rectangle, but also can be any needed shape.Described block construction can contain folding pillar, and a large amount of block constructions can be transported easily

Description

The improvement of scaffolding

The present invention relates to the improvement of scaffold, particularly a kind of improvement of scaffolding.This scaffold is particularly suitable for building on the sidewalk, the pedestrian can be under this door frame by and the fragment that can not be built or may fall down when demolishing building injure by a crashing object.

Usually, scaffolding is become by many scaffold component-assembled, and they comprise some upright pipe fittings and many cross bars.These cross bars are connected to each other, and form path or the tunnel that the pedestrian can pass through on the sidewalk.The scaffolding of above-mentioned traditional form has some shortcomings: at first be from beginning to set up door frame, just must rent the shared location, sidewalk of scaffold of preparing foundation to relevant local authority, usually need change the expense time in four weeks and assemble this scaffold, therefore, building build or demolition work just needed the hirer trade before beginning in four weeks.Then, need the long duration, labour cost is just quite high; And, appropriate authorities after inspection if when dissatisfied, then can be ordered to remove and be rebuild to the scaffolding built.

Usually, many parts of forming the scaffolding of above-mentioned pattern are only stacked on-site simply.Behind completion of works, these parts are removed, and need carry out some repairings in case of necessity and send back to permit holder again.Therefore, expense usually owing to the repairing of parts or just in case the renewal when loss of parts is arranged increase.

The present invention is intended to by a kind of improved scaffolding device is provided, and particularly provides a kind of and can assemble in the building site rapidly and effectively thereby the mast apparatus of the block construction pattern that required expense is minimum overcomes or alleviate the shortcoming of some above-mentioned traditional form scaffolds.The present invention also aims to provide a kind of safe in utilization and door frame that be made of few parts, so that avoid the loss of traditional form door frame.

A kind of better pattern of mast apparatus of the present invention is: it comprises some door frame unit structures, and each door frame unit structure is preferably rectangle and has some upright columns or pillar and is fixed on the upright column and the ceiling device by this upright supports.Several such door frame unit structures are put together one by one, and with a kind of proper device the pillar of adjacent door frame unit structure are coupled together.Every pillar is preferably with a kind of adjustable base device, to adapt to the uneven and height change on sidewalk.This upright pillar preferably can fold, and makes door frame unit structure can build up bundle so that transportation.By following narration, will be clearer to other purpose of the present invention and advantage.

In order to should be readily appreciated that the present invention and to put into practice, can consult the accompanying drawing of expression most preferred embodiment of the present invention now.Wherein:

Fig. 1 is the elevation according to a kind of pattern in the mast apparatus of the present invention;

Fig. 2 is the plan view of the door frame shown in Fig. 1;

Fig. 3 is the sectional drawing along A-A hatching among Fig. 1;

Fig. 4 is the column base device part elevation figure of a kind of pattern of door frame;

Fig. 5 is the phantom drawing of column base device shown in Figure 4 bottom;

Fig. 6 is the sectional drawing of column base device of the another kind of pattern of door frame;

Fig. 7 is the plan view that is used for the fastener of adjacent door frame column;

Fig. 8 and Fig. 9 represent the elevation and the plan view of the guardrail connector of mast apparatus respectively;

Figure 10 is the exploded view of Fig. 8 and guardrail connector shown in Figure 9;

Figure 11 is the elevation according to the collapsible door frame block construction of the present invention's making.

When consulting accompanying drawing, at first consult Fig. 1 to Fig. 3.The scaffold unit structure 10 of having represented a kind of optimum pattern of the present invention among the figure, in this example, this block construction is rectangle normally, and upright a, column 11 in hollow rectangle cross section is preferably respectively arranged on its four jiaos.Supporting a platform framework 12 in the upper end of column 11, this platform framework is by thin plate 13, for example steel sheet or similarly sheet material is topped.For make block construction 10 stable for the purpose of, the upper end that is preferably in column 11 is provided with a suitable diagonal brace 14.The rear wall scope of operation of block construction 10 is also by thin plate 15, for example steel sheet cover.Thin plate 15 is being supported by the central cross bar 16 between two root posts 11 that are arranged on rear wall.

There is an adjustable base device 17 lower end of every root post 11.Each device 17 is adjusted to required height to block construction 10 by regulating, and can be used for adjusting the basal surface of supporting construction such as being uneven or fluctuations of pavement surface better.

Fig. 4 and Fig. 5 have represented a kind of base device 17 of pattern, it comprises that one can telescopically be contained in first hollow unit 18 in column 11 lower ends, the hole 19 that has many intervals to be provided with on it, these holes can be aimed at the hole on a pair of relative edge on the column 11, so that steady pin or fastener 20 are passed.Like this, hollow unit 18 just can remain on corresponding to the end of column 11 on the permanent position.The change of this stroke can be regulated: the in addition pair of holes 19 of the position of promptly extracting steady pin 20 and changing hollow unit 18 above it aimed at the hole 20 on the column 11, thereby just realized the length adjustment of column 11.There are one with holes 22 end cap or base plate 21 in the lower end of hollow unit 18, and the screw rod 23 in the base 24 passes hole 22, as shown in Figure 4.Some drain holes are arranged on base plate 21.By being screwed on the screw rod 23 and the nut 25 that is meshed with end cap 21, can realize the fine setting of base 24.Forward and reverse swivel nut 25 just can make bar 23 inwardly or outwards move with respect to hollow unit 18, realizes the fine setting of base thus.Suitable connecting airtight by spring 26, keep between nut 25 and the end cap 21, this spring 26 in the hollow unit on the screw rod 23 between end cap 21 and the top board 26, top board 26 is fixed on the top of screw rod 23.

In order to make base can be applicable to any position and to adapt to the variation of its lower end seating surface, a universal joint is set in the bottom of base 24.In the embodiment that provides, this universal joint comprises a ring 27 in the screw rod bottom, and it is positioned at the hollow pedestal 28 that is fixed on the flat support base 29.On two opposite side of hollow pedestal 28 notch portion 30 is arranged respectively, the size of this notch portion and position will make ring be remained in the hollow base 28.Above-mentioned structure also is convenient to the cleaning of pedestal 28 after use.This joint has enough freedom of movement to adapt to the various variations of the ground surface of supporting door frame.Certainly, on supporting member, also can adopt other rotating base device 17 that is fit to, general sphere joint for example shown in Figure 6.

The present invention also provides some to be used for the fastener that the column 11 with each adjacent door frame tightens together.Fig. 7 has represented a kind of suitable tightening device 31 for this purpose, and it comprises a pair of hinged parts 32 and 33, and parts 32 are relative flat shape, and another parts 33 have rectangular slot 34, can hold a column 11 closely.By a bolt parts 32 and 33 are combined.Certainly, also can pass the hole that is located at the being aligned on the column 11 with bolt simply and a column is tightened together.

The present invention also provide the tightening device 31 of another kind of pattern ', it has and connects and fixing door frame guardrail, a kind of better form of this class positioner such as Fig. 8 are to shown in Figure 10.Usually, for pedestrains safety, guardrail 32 is contained in the centre of the column 11 at door frame 10 two ends, and in this example, guardrail 32 is preferably C shape cross section.In this example, connect and the device of nonfloating rail with the free edge of a wing 33 fastenings of the guardrail of C tee section on column 11, and for this purpose, this positioner comprises a pair of rotating pin key 44 that is installed on the support plate 35, plate 35 be this column tightening device 31 ' a part.Pin key 44 can turn to another disengaged position by a binding site like that from shown in Figure 8, whereby, can unload guardrail 32 down.

A kind of device that makes pin key 44 be in work, fixing state preferably is provided.In this example, this device comprises a bolt 36, and it passes the hole 37 on the chuck 38, has outstanding pin key on the chuck 38.This bolt 36 can be tightened simply, and chuck 38 can be rotated relative to one another, causes that thus pin key 44 rotates accordingly, makes guardrail be in the state of fixing and fastening.The chuck of another kind of pattern can also be provided, wherein have a bolt on a chuck, this bolt passes the hole 37 on another piece chuck, uses nut engages then.

In other pattern, a kind of tubular element of aiming at hole 37 in use 43 is welded on the support plate 35.In this embodiment, chuck 38 usefulness bolts 36 clamp and combine closely with tubular element 43.Utilize among the embodiment of tubular element 43 (not shown) at another, the part that pin key 44 and the free edge of a wing 33 of the guardrail of C tee section are right after mutually and the limit of column 11 exceed the limit of column at angle and in some cases.When chuck 38 engages with tubular element, have the additional friction of the guardrail 32 of C tee section fasteningly, at this moment, guardrail just is fixed on the column.

Door frame unit structure can also be installed dismountable top guardrail 39, the safety when being used for protecting on platform walking and operation.For this purpose, the top of column 11 is provided with a base 40, can insert the built-in end of upright pole 41 wherein easily.Pole 41 is used for top guardrail 39.Several door frame unit structures are placed side by side, mode as shown in Figure 1, and a pair of adjacent top guardrail 39 couples together by a U-shaped member 42.

With reference to Figure 11, it has represented a kind of door frame unit structure of being made up of upright column or pillar 111 and ceiling device 112 100.Every pillar 111 has its upper end standing part 113 and the lower end can folded part 114.The lower end 114 of foldable portion hingedly is connected with upper part 113 by a hinge 115.Hinge 115 is preferably made like this, make folded part 114 with standing part 113 in line again can not be folded-out behind the position.

When Figure 11 has represented folded part 114 folding and non-state when folding.Folded part 114 can be fixed on its position that folds and stretch by timid locality.

Obviously, owing to provide Foldable type door frame unit structure as shown in figure 11, the collapsible bundled scene of building or demolishing building that is transported to of some door frame unit structures.When adopting embodiment as shown in figure 11, the space that can save many transportation door frame unit structures, still, many other embodiment also can be used.

Use many scaffold unit structure 10(or 100, in the time of Figure 11), preferably carry out the Height Adjustment of required base device 17 in advance, directly transport to the building site again and go.Block construction 10 is placed one by one, and by being connected to each other with tightening device shown in Figure 7 or carrying out the connection of another kind of pattern with bolt, the fine setting of base device simultaneously can realize by adjusting nut 25.Support base 29 is installed in along on the sleeper of sidewalk placement by general fashion, and the hole and the sleeper that pass above it with some securing members that are fit to fix.Guardrail 32 can be installed also fastening simply on column 11, and the also available aforesaid way of top guardrail 39 connects.

Compare with traditional scaffold with the scaffolding that said method constitutes, can assemble fast, thereby can save sidewalk rent and labour cost, because required parts are few, can lose less or not lose in addition.

Certainly, above-mentioned door frame unit structure can be made any appearance and size and other form, also can adopt the base device of many other forms, so that provide a kind of rotating mechanism to adapt to the uneven of sidewalk.

Though more than provided an explanation example of the present invention, be no more than determined broad field of this manual and claims and scope, can make many corrections and variation corresponding to the general professional in the foregoing description present technique field.

Claims (16)

1, a kind of construction or demolition building site or other similar building site method that peripheral mast apparatus is provided for building may further comprise the steps:

Prepare some door frame unit structures, each door frame unit structure has some upright pillars or column and to be fixed on the upright column and by the ceiling device of this upright supports;

Described door frame unit structure is transported to the construction site;

On-site, one side at least door frame unit structure around lining up one by one.

2, the method for claim 1 is one side also comprise the step that tightens up adjacent between described block construction.

3, a kind ofly be used on the sidewalk or the door frame unit structure of door frame is set up in similar place, it comprises that column that some are upright or pillar and are fixed on the upright column and by the ceiling device of this upright supports; The length of the column that each is upright can be regulated, and has a base device, and this base device is rotary, to adapt to the uneven and height change in sidewalk.

4, a kind of block construction as claimed in claim 3, wherein said upright column can fold.

5, a kind of block construction as claimed in claim 4, wherein said upright column have a hinge means between base and ceiling, and described column can be folding around hinge means separately.

6, a kind of block construction as claimed in claim 5, more wherein said pillars comprise four root posts; Described block construction is a rectangle, every root post each on an angle of block construction, at least one hinge means is corresponding to settings of will staggering of other hinge means, so that column can be overlaped after folding.

7, a kind of block construction as claimed in claim 6, wherein every root post comprise that one is fixed in the upper part and an end portion of ceiling device, and this end portion slides with respect to upper part flexible ground.

8, a kind of block construction as claimed in claim 7, each base device wherein comprise a screw rod and a base plate, and the screw rod upper end is for stretching into an end of engagement and the embeddable lower end in the column; Described upper end is contained in the described column, by above-mentioned screw rod up or move down, the height of described column can be adjusted; A kind of pedestal device is contained on the base plate, and above-mentioned built-in end just is contained in the pedestal device and has rotating surface, and base plate can be rotated with respect to above-mentioned column.

9, a kind of mast apparatus comprises some door frame unit structures of settling side by side, and this door frame unit structure has some upright rod members or pillar and to be fixed on ceiling device on the above-mentioned pillar.

10, a kind of mast apparatus as claimed in claim 9, each block construction wherein is fastened on and is adjacent on the block construction that connects.

11, a kind of mast apparatus as claimed in claim 10 wherein also comprises making adjacent block construction fastening device mutually.

12, a kind of mast apparatus as claimed in claim 11, wherein said fastener comprise the fastener that also can unclamp that is used to clamp adjacent upright posts.

13, a kind of mast apparatus as claimed in claim 12, described fastener wherein comprise a main folder tool and one pair of anchor clamps, and the main folder tool is used for the adjacent column of fastening; Paying anchor clamps fastens to a dismountable guardrail on the described mast apparatus.

14, a kind of fastener that is used for mast apparatus as claimed in claim 9, it comprises a main folder tool and one pair of anchor clamps, the main folder tool is used for fastening, and some are right after first rod member of placement; Pay anchor clamps and be used for fastening substantially perpendicular to second rod member of described first rod member.

15, a kind of fastener as claimed in claim 14, wherein pay anchor clamps the described second rod member fastening on described first rod member.

16, a kind of fastener as claimed in claim 15, main folder tool wherein comprises a kind of strap of U-shaped in general, this U-shaped lath has a sealing strip, hingedly be connected to a free end of U-shaped lath, the sealing lath can unclamp and be fixed to another free end of U-shaped lath, with first rod member of fastening between U-shaped lath and sealing strip; It is in aggregates to pay anchor clamps and main folder tool, it comprises two rotatable parts, these rotatable parts can be around rotating perpendicular to the axle of the first rod member length to axis, and each rotatable parts has the fastening chuck, is used to make second rod member freely rotating between from the tightening state to the releasing orientation.

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