CN103233576B - Scaffold cross-bar used for supporting girder formwork - Google Patents
Scaffold cross-bar used for supporting girder formwork Download PDFInfo
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- CN103233576B CN103233576B CN201310166366.1A CN201310166366A CN103233576B CN 103233576 B CN103233576 B CN 103233576B CN 201310166366 A CN201310166366 A CN 201310166366A CN 103233576 B CN103233576 B CN 103233576B
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Abstract
The invention relates to the field of scaffolds for buildings, and particularly to a scaffold cross-bar used for supporting a girder formwork. The scaffold cross-bar comprises a transverse steel pipe which is provided with at least a pair of tightly supported fasteners; each tightly supported fastener comprises a top sleeve sleeved on the transverse steel pipe in a sliding manner; each top sleeve is provided with a tight support part used for tightly supporting a side vertical surface formwork of a girder; in addition, a wedge block which is fixed on the transverse steel pipe in the expansion manner is also inserted in each top sleeve. When the scaffold cross-bar is used, the transverse steel pipe can be arranged below the girder, so that the two corresponding tightly supported fasteners are respectively located at two sides of the girder, and the positions of the top sleeves are adjusted by enabling the top sleeves to slide on the transverse steel pipe; and when the tight support part of each top sleeve tightly presses the side vertical surface formwork of the girder, each top sleeve is fixed in the expansion manner by knocking each wedge block, so that the tight support of the side vertical surface formwork of the girder is realized. After the scaffold cross-bar is adopted, step-to-step fasteners adopted in the prior art can be abandoned completely, and efficiency of building construction can be improved greatly.
Description
Technical field
The present invention relates to building scaffold field, particularly a kind of scaffold cross bar for supporting large beam forms that can be applied in full framing.
Background technology
Scaffold is very common on building site of today, as two main composition parts of scaffold, the quality of scaffolding steel pipe and fastener directly affects the reliability of scaffold, and the convenience of fastener then directly affects the efficiency building and dismantle scaffold.In actual application, the steel pipe of scaffold is mainly divided into three classes according to its difference acted on, vertical steel pipe, horizontal steel pipe and diagonal brace steel pipe.Wherein vertical steel pipe is used by the vertical rod as scaffold, it mainly plays the effect of support and heightening foot hand cradle main body, and horizontal steel pipe is used for building corresponding platform often, supports vertical steel pipe to connect vertical steel pipe for general frame or to play the effect supporting corresponding concrete blinding.
Scaffolding steel pipe is when being used to support concrete cast template, the horizontal position smooth at some comparatively easily realizes, but when running into the crossbeam of building, just the support of the template to a large amount of side elevation cannot be realized only according to scaffolding steel pipe, in order to solve this problem, maximum in prior art is adopt a kind of building buckle being called step fastener.Between this building buckle and scaffolding steel pipe almost without any annexation and installation process is quite loaded down with trivial details, this obviously brings no small trouble to building operations.
In addition, in the process scaffolded erecting, two of square crossing steel pipes (horizontal steel pipe and vertical steel pipe or horizontal steel pipe and horizontal steel pipe) are often needed to bind together, mostly be between the steel pipe of the square crossing of scaffold to lean on right-angled intersection fastener to bind, right-angled intersection fastener is also known as cruciform fastening for falsework or cross buckle, current right-angled intersection fastener comprises pedestal mostly, the connecting bolt being hinged on the gland on pedestal and being hinged on pedestal, wherein there is inside pedestal the cambered surface with the outline adaptation of vertical steel pipe, gland is divided into upper press cover and side pressure lid and they are equipped with the bayonet socket of U-shaped away from one end of jointed shaft, connecting bolt is with gland one_to_one corresponding and be oppositely arranged with corresponding gland, during use, by the cooperation of side pressure lid and corresponding connecting bolt by pedestal banding wherein a steel pipe, then coordinate by upper press cover and corresponding connecting bolt the steel pipe that intersects fixed with this steel pipe square crossing, thus cross one another two of scaffold steel pipes are fixed together.From its operating principle, above-mentioned cross buckle needs to operate two glands at least respectively in use, i.e. upper press cover and side pressure lid, therefore inefficiency, in addition, gland pedestal due to above-mentioned fastener is operationally fixed by connecting bolt, this further reduces the operating efficiency of staff, namely building and removal efficiency scaffold is reduced, add the labour intensity of staff, especially it should be noted that, the working environment of fastener is mostly more severe, once connecting bolt gets rusty or stained, then can make troubles to further the dismounting of fastener, this in fact also have impact on the application life of fastener, add the maintenance cost to it.
In order to solve the problem of the dismounting inconvenience brought by the connecting bolt of fastener, application number be 2012202780806 and application number be 932388701 Chinese patent individually disclose the fixing scaffold clasp of two kinds of different voussoirs, the two is all that form by arranging voussoir between the lateral surface and the nut of connecting bolt of fastener gland carrys out swelling stationary gland, in such cases, connecting bolt in substance form a hasp, only to need in use to be ploughed under in the bayonet socket of corresponding gland and with voussoir swelling, thus just eliminate screwing and unscrewing operation the nut of connecting bolt, to a certain extent for the raising of efficiency of construction brings benefit, but above-mentioned fastener still needs to operate two jacket glands respectively, the voussoir of connecting bolt and correspondence, still there is unhandy problem, in addition, because voussoir is between gland and the gland of connecting bolt, therefore on the one hand very easily owing to being come off by touching by mistake, there is certain potential safety hazard, also the loss of voussoir is made to become inevitable problem on the other hand.
Summary of the invention
The object of the present invention is to provide a kind of scaffold cross bar for supporting large beam forms that can hold out against the side elevation template of crossbeam, to improve the efficiency of building operations.
In order to solve the problem, scaffold cross bar for supporting large beam forms of the present invention is by the following technical solutions: for supporting the scaffold cross bar of large beam forms, comprise horizontal steel pipe, horizontal steel pipe is provided with at least one pair of and holds out against fastener, hold out against fastener and comprise the top cover be slidably enclosed within horizontal steel pipe, what top cover had a side elevation template for holding out against crossbeam holds out against portion, in addition, is also fitted with the wedge block for its swelling being fixed on horizontal steel pipe in top cover.
Horizontal steel pipe is also provided with plural cross buckle, at least one pair of holds out against fastener and locates between two adjacent cross buckles, cross buckle comprises the sliding sleeve that is slidably enclosed within horizontal steel pipe and holding down assembly of being located on sliding sleeve, the axis comprised along sliding sleeve that holds down assembly is laid in two free bearings on sliding sleeve relatively, one in two free bearings is hinged with gland, another is hinged with for overlapping with gland and compressing the hasp of gland, the hinge axes of these two free bearings is parallel to each other and intersect with the center line spatial vertical of sliding sleeve, in addition, surround for the accommodating socket intersecting steel pipe with this horizontal steel pipe square crossing between the top of two free bearings, expansion block mounting groove is surrounded between the bottom of the two, the jacket wall of sliding sleeve is provided with inside and outside penetrating opening often overlapping the position between two free bearings held down assembly, in expansion block mounting groove, anticreep is equipped with for wedging at this horizontal steel pipe and the corresponding swelling slide block intersected between steel pipe.
Be equipped with the extruding for bearing swelling slide block in described opening and the pressed slider of compression intersection steel pipe, the side of the slide block of swelling dorsad of pressed slider has the cambered surface with the outline adaptation of horizontal steel pipe; The side of the described dorsad opening of swelling slide block is provided with the cambered surface with corresponding outline adaptation of intersecting steel pipe.
The groove bottom of expansion block mounting groove be along in the direction of advance of swelling slide block when wedging gradually to the inclined-plane of lopsidedness deviating from swelling slide block, cambered surface on pressed slider is made up of the medial surface of arc-shaped slot set on pressed slider, in two cell walls of described arc-shaped slot swelling slide block in wedging time direction of advance on be positioned at one of front lower than another.
The side towards described opening of swelling slide block is provided with anti-skidding striped, and the bearing of trend of anti-skidding striped is identical with the glide direction of swelling slide block, and pressed slider is provided with the striped be engaged with the anti-skidding striped on swelling slide block.
Swelling slide block is voussoir.
One in the cell wall of expansion block mounting groove and the respective side walls of swelling slide block is provided with guide groove, another is provided with the sliver corresponding with guide groove, described guide groove and sliver matched in clearance also stop swelling slide block to be deviate from from the notch of expansion block mounting groove, and the bulge-structure that swelling slide block is established by its two ends place coordinates with sliding sleeve anticreep on activity direction.
Notch or bottom land inclination gradually to expansion block mounting groove in sliver and the guide groove direction of advance all when the wedging of swelling slide block, the incline direction of the two is identical.
Described swelling slide block is provided with the scale being used to indicate its assembling degree of depth.
Horizontal steel pipe is respectively equipped with corresponding position limiting structure at the two ends place of each cross buckle.
The inner side of top cover is provided with the groove corresponding with wedge block, and described groove is along top cover groove axially, and the axis of wedge block transversely steel pipe coordinates with top cover anticreep.
Top cover is also provided with described hold down assembly and with corresponding, the inside and outside penetrating opening that holds down assembly, described in hold out against portion and be made up of the corresponding side free bearing held down assembly.
Due to described horizontal steel pipe being equipped with top cover and wedge block, and top cover is slidably enclosed within horizontal steel pipe, therefore, in the process used, horizontal steel pipe can be placed in the below place of crossbeam, corresponding two are made to hold out against the both sides place that fastener lays respectively at crossbeam, then the position of top cover is regulated by making top cover slide on horizontal steel pipe, when the portion of holding out against of top cover compresses crossbeam side elevation template, make it top cover swelling fix can realize holding out against support to crossbeam side elevation template by knocking wedge block, after adopting this scaffold cross bar, the step fastener fastener adopted in prior art can be abandoned completely, thus the efficiency of building operations can be improved greatly.
Further, when using this scaffold cross bar to scaffold erecting, first can make to slide over slip on horizontal steel pipe and look for position, after finding desired location, the steel pipe (vertical steel pipe or horizontal steel pipe) that will intersect accordingly is radially placed in the socket place between two free bearings, being coordinated with gland by hasp to intersect after steel pipe preliminary latch, knock swelling slide block just can extrude simultaneously and intersect steel pipe and horizontal steel pipe from the corresponding end of swelling slide block, and then realize intersecting the locking of steel pipe and horizontal steel pipe, first, owing to being the interlocking that the mode of employing swelling slide block swelling realizes to intersecting between steel pipe and horizontal steel pipe, when being subject to the reaction force of the other side, swelling slide block only can become more and more tighter, and vertical steel pipe and horizontal steel pipe relative movement can not be made, in addition, because swelling slide block is between vertical steel pipe and horizontal steel pipe, under the barrier effect of vertical steel pipe and horizontal steel pipe, it is reduced greatly by the possibility touched down, thus the accident avoiding fastener loosens, improve the security performance of fastener, can be known by the description of the use procedure of above contacting piece, cross buckle only needs operation gland in use, then the locking that swelling slide block can realize the steel pipe to two orthogonal intersections is knocked, convenient to operation, thus also improve the convenience of operation fastener.As can be seen here, this scaffold cross bar being used for supporting large beam forms possesses characteristic easy to use, and what solve scaffold builds the problem low with removal efficiency simultaneously, improves the security performance of scaffold; Pressed slider and the cambered surface on swelling slide block be all in order to increase they separately with the contact area of corresponding steel pipe, improve the fastness of the combination of intersection steel pipe and horizontal steel pipe on the one hand, swelling slide block or pressed slider also can be avoided corresponding steel pipe compressive strain on the other hand; The groove bottom of expansion block mounting groove being set to inclined-plane is conveniently to the assembling of swelling slide block, in this case, when compressing the intersection steel pipe in sliding sleeve, the two ends of pressed slider need the degree of depth embedded in opening to be actually not wait, therefore, make in two cell walls of described arc-shaped slot swelling slide block in wedging time direction of advance on be positioned at of front lower than another time, the two ends being conducive to realizing pressed slider do not embed the degree of depth in opening not etc., thus ensure cambered surface on pressed slider and intersect the area that steel pipe fits and reach maximization; Striped on swelling slide block and pressed slider can make the two one integrated mass, cannot mutually swing both ensureing further when mutual jam-packed; Scale on swelling slide block can give operator with instruction, to make operator understand the whether swelling of swelling slide block, in order to avoid wedged dark and damaged corresponding steel pipe (intersection steel pipe or horizontal steel pipe); Described position limiting structure can effectively control to hold out against fastener and the operating range of cross buckle on horizontal steel pipe, in order to avoid also need the position of the corresponding fastener of the adjustment of long distance in use.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment 1 of scaffold cross bar for supporting large beam forms;
Fig. 2 be in Fig. 1 for support large beam forms scaffold cross bar support crossbeam side elevation template time state diagram;
Fig. 3 is horizontal steel pipe in Fig. 1 and corresponding connection diagram of intersecting steel pipe;
Fig. 4 is the structural representation (removing swelling slide block and pressed slider) of the cross buckle in Fig. 1;
Fig. 5 is the first stereogram of the sliding sleeve in Fig. 4;
Fig. 6 is the second stereogram of the sliding sleeve in Fig. 4;
Fig. 7 is the first stereogram of the swelling slide block in Fig. 3;
Fig. 8 is the second stereogram of the swelling slide block in Fig. 3;
Fig. 9 is the first stereogram of the pressed slider in Fig. 3;
Figure 10 is the second stereogram of the pressed slider in Fig. 3;
Figure 11 is the structural representation of the hasp in Fig. 3;
Figure 12 is the structural representation of the embodiment 2 of scaffold cross bar for supporting large beam forms;
Figure 13 is the structural representation of the top cover in Figure 12.
Detailed description of the invention
For supporting the embodiment 1 of the scaffold cross bar of large beam forms, as shown in figs. 1-11, comprise horizontal steel pipe 14, horizontal steel pipe 14 is equipped with cross buckle 501 and holds out against fastener 502, wherein hold out against fastener 502 and cross buckle 501 respectively has two, two hold out against fastener and are sandwiched between two cross buckles.
Cross buckle comprises sliding sleeve 11 and holds down assembly, and sliding sleeve 11 is slidably enclosed within horizontal steel pipe 14.Hold down assembly two free bearings 15 comprising and being located at outside sliding sleeve, swelling slide block 12 and pressed slider 13, wherein two free bearings are arranged along the axial relative spacing of sliding sleeve 11, one of them free bearing is hinged with for compressing the corresponding scaffolding steel pipe intersecting steel pipe 18(and horizontal steel pipe square crossing) gland 16, another is hinged with the hasp 17 corresponding with gland 16, as shown in Figure 2, in the present embodiment, the steel pipe 18 that intersects be actually scaffold with the horizon bar of horizontal steel pipe 14 square crossing, in addition, in the present embodiment, hasp 17 is T-shaped button, gland 16 is overlapped with hasp 17 by the bayonet socket 101 that its one end away from corresponding free bearing is arranged and coordinates, and the medial surface of gland 16 is and intersects the arc surface of outline adaptation of steel pipe 18, wherein hasp 17 is prior art with the structure of gland 16, it will not go into details herein.In addition, dotted line sign part in the socket 102(figure for accommodating intersection steel pipe is surrounded) between the top of two free bearings, the top of socket 102 in intersect the circular arc of outline adaptation of steel pipe 18, meanwhile, dotted line sign part in the expansion block mounting groove 103(figure for installing swelling slide block 12 is surrounded) between the bottom of two free bearings, in the present embodiment, the groove bottom of expansion block mounting groove 103 be along in the direction of advance of swelling slide block 12 when wedging gradually to the inclined-plane of lopsidedness deviating from swelling slide block 12, position on the jacket wall of sliding sleeve 11 between two free bearings is provided with inside and outside penetrating opening 104, opening 104 is just positioned on the bottom land of expansion block mounting groove 103.
Swelling slide block 12 is arranged in expansion block mounting groove 103, pressed slider 13 is assemblied in opening 104, in the present embodiment, swelling slide block 12 adopts voussoir, it is thickening gradually from front to back along direction of advance during swelling, in addition, the side of the opening dorsad 104 of swelling slide block 12 has and intersects the cambered surface of outline adaptation of relevant position of steel pipe 18, simultaneously, in order to indicate the wedging degree of depth of swelling slide block 12 in order to avoid damage the horizontal steel pipe of scaffold or the steel pipe that intersects by pressure, swelling slide block 12 is also provided with scale (not shown), in the present embodiment, this scale is located on the side elevation of swelling slide block 12, namely be located on the side relative with the cell wall of expansion block mounting groove 103 of swelling slide block 12, lose to prevent swelling slide block 12, two side elevations of swelling slide block 12 are also provided with sliver 19, the cell wall of expansion block mounting groove 103 is provided with the guide groove 105 corresponding with sliver 19, in the present embodiment, sliver and the guide groove direction of advance all when the wedging of swelling slide block tilts to the bottom land of expansion block mounting groove gradually, sliver 19 and guide groove 105 are worked in coordination and swelling slide block 12 can be stoped to deviate from from the notch of expansion block mounting groove 103, it is to be noted herein, swelling slide block can be stoped to deviate from from the notch of expansion block mounting groove 103 although sliver 19 coordinates with guide groove 105, but be matched in clearance therebetween, this makes swelling slide block 12 to contact with pressed slider 13 being subject to can remaining when intersecting the pressure of steel pipe 18, thus sliver 19 can be avoided stressed, sliver 19 is herein only the effect playing spacing anticreep, the two ends place of swelling slide block 12 is also respectively equipped with Stop structure, in the present embodiment, Stop structure adopts the protuberance 20 being located at swelling slide block corresponding end, this protuberance 20 makes swelling slide block 12 cannot deviate from from the end of expansion block mounting groove 103, in addition, swelling slide block 12 on the side of pressed slider 13, be also provided with anti-skidding striped 21, anti-skidding striped 21 extends along the glide direction of swelling slide block.
The side adjacent with swelling slide block 12 of pressed slider 13 is provided with and keeps off cap 22, gear cap 22 is arranged in expansion block mounting groove 103, the groove bottom of expansion block mounting groove 103 coordinates with block between gear cap 22, thus can prevent pressed slider 13 from coming off from the inner side of sliding sleeve 11, the lateral surface of gear cap 22 is provided with the anti-skidding striped corresponding with the anti-skidding striped 21 on swelling slide block 12, the anti-skidding striped on gear cap 22 and anti-skidding striped on swelling slide block 12 engaged, in addition, the side of the slide block of swelling dorsad of pressed slider 13 has the cambered surface corresponding with horizontal steel pipe 14, described cambered surface is made up of the medial surface of arc-shaped slot set on pressed slider, suppose that the direction of advance of swelling slide block when wedging is front herein, namely be move forward during its wedging, then in the present embodiment, one of front is positioned at lower than another at two cell walls (wall) of swelling slide block in two cell walls of described arc-shaped slot, mention in (first paragraph) due to above, the groove bottom of expansion block mounting groove is inclined-plane, and according to the operating principle of this fastener, pressed slider 13 by during swelling ram extrusion its gear cap rear end fit with the bottom land of expansion block mounting groove all the time, its position is almost constant, when being subject to the swelling effect of swelling slide block, it is be hinged on sliding sleeve 11 by rear end that pressed slider 13 is now similar to, if the both sides cell wall of the arc-shaped slot therefore on pressed slider is contour, the cell wall at its front end place then will certainly be caused " to scratch " in the tube wall of horizontal steel pipe 14, thus form the linear contact lay with horizontal steel pipe, this obviously can reduce the adhesion between pressed slider and horizontal steel pipe, make in the present embodiment to be positioned at one of front lower than after another at two cell walls (wall) of swelling slide block in two cell walls of arc-shaped slot, effectively can increase the contact area between cambered surface on pressed slider and horizontal steel pipe, increase adhesion therebetween.
Hold out against fastener and comprise top cover, top cover is also slidably be enclosed within horizontal steel pipe 14, simultaneously, the outside of top cover is also equipped with and holds down assembly, this structure held down assembly is identical with the structure that holds down assembly of above-mentioned cross buckle, what one of them free bearing held down assembly constituted top cover holds out against portion, this portion of holding out against may be used for holding out against the side elevation template 503 of crossbeam to replace step fastener fastener of the prior art, in addition, top cover is provided with accordingly and the corresponding opening that holds down assembly, thus, by the both sides place being located at crossbeam parallel for the scaffold cross bar of two the present embodiment, then by fixing steel pipe holding out against in fastener, the side elevation template supporting crossbeam with this steel pipe is also fine, and form linear contact lay between steel pipe and corresponding template in this case, its support effect can be better, top cover also has heaves by its jacket wall radial direction the protuberance 111 formed, this protuberance 111 is distributed in the relative both sides place of sliding sleeve with holding down assembly, wedge block 112 is equipped with in the groove formed inside protuberance 111, the U-shaped profile of the groove wherein formed inside protuberance 111, wedge block adopts one large one small voussoir, and its less one end is provided with ridge structure, and this makes wedge block being assembled in top cover by anticreep.
Horizontal steel pipe 14 is also respectively equipped with corresponding position limiting structure at cross buckle and the two ends place holding out against fastener, and in the present embodiment, this position limiting structure adopts bonding wire 23, and certainly, in other embodiments, position limiting structure can also adopt screw, solder joint, pin etc.
In the process using this scaffold cross bar, lock together, then by regulating the position holding out against fastener to hold out against corresponding crossbeam side elevation template to make it by the horizontal steel pipe of described cross buckle by horizontal steel pipe and vertical steel pipe or another square crossing with it.
For supporting the embodiment 2 of the scaffold cross bar of large beam forms, as illustrated by figs. 12-13, the difference of the present embodiment and embodiment 1 is only, the top cover holding out against fastener dispenses and has held down assembly, in the present embodiment, the respective end place of top cover is provided with to its radial wing plate 24 extended, and what this wing plate constituted top cover holds out against portion.
In other embodiment of the scaffold cross bar for supporting large beam forms, the hasp described in above-described embodiment 1,2 can also be " 7 " font, and in such cases, the described bayonet socket on gland just can omit; As long as described swelling slide block can horizontal steel pipe with intersect the effect playing swelling between steel pipe, its concrete shape is unrestricted; In addition, also expansion block mounting groove can be set as oat tail groove structure, and make it narrow gradually from one end to the other end, shoal, then swelling slide block is set as substantially in cuboid, but be also from one end to the other end narrow gradually, thinning shape, with this prevent swelling slide block from the notch of expansion block mounting groove and wherein one end come off; Sliver and guide groove incline direction can also be that the notch gradually to expansion block mounting groove in the direction of advance when the wedging of swelling slide block tilts; Moreover in above-described embodiment 1, when the opening on sliding sleeve or top cover is enough large, to such an extent as to when corresponding steel pipe directly can protrude from described opening, described pressed slider is omissible.
Claims (9)
1. for supporting the scaffold cross bar of large beam forms, comprise horizontal steel pipe, it is characterized in that, horizontal steel pipe is provided with at least one pair of and holds out against fastener, hold out against fastener and comprise the top cover be slidably enclosed within horizontal steel pipe, what top cover had a side elevation template for holding out against crossbeam holds out against portion, in addition, is also fitted with the wedge block for its swelling being fixed on horizontal steel pipe in top cover, horizontal steel pipe is also provided with plural cross buckle, at least one pair of holds out against fastener and locates between two adjacent cross buckles, cross buckle comprises the sliding sleeve that is slidably enclosed within horizontal steel pipe and holding down assembly of being located on sliding sleeve, the axis comprised along sliding sleeve that holds down assembly is laid in two free bearings on sliding sleeve relatively, one in two free bearings is hinged with gland, another is hinged with for overlapping with gland and compressing the hasp of gland, the hinge axes of these two free bearings is parallel to each other and intersect with the center line spatial vertical of sliding sleeve, in addition, surround for the accommodating socket intersecting steel pipe with this horizontal steel pipe square crossing between the top of two free bearings, expansion block mounting groove is surrounded between the bottom of the two, the jacket wall of sliding sleeve is provided with inside and outside penetrating opening often overlapping the position between two free bearings held down assembly, in expansion block mounting groove, anticreep is equipped with for wedging at this horizontal steel pipe and the corresponding swelling slide block intersected between steel pipe, be equipped with the extruding for bearing swelling slide block in described opening and the pressed slider of compression intersection steel pipe, the side of the slide block of swelling dorsad of pressed slider has the cambered surface with the outline adaptation of horizontal steel pipe, the side of the described dorsad opening of swelling slide block is provided with the cambered surface with corresponding outline adaptation of intersecting steel pipe, the groove bottom of expansion block mounting groove be along in the direction of advance of swelling slide block when wedging gradually to the inclined-plane of lopsidedness deviating from swelling slide block, cambered surface on pressed slider is made up of the medial surface of arc-shaped slot set on pressed slider, in two cell walls of described arc-shaped slot swelling slide block in wedging time direction of advance on be positioned at one of front lower than another.
2. the scaffold cross bar for supporting large beam forms according to claim 1, it is characterized in that, the side towards described opening of swelling slide block is provided with anti-skidding striped, the bearing of trend of anti-skidding striped is identical with the glide direction of swelling slide block, and pressed slider is provided with the striped be engaged with the anti-skidding striped on swelling slide block.
3. the scaffold cross bar for supporting large beam forms according to claim 1, is characterized in that, swelling slide block is voussoir.
4. the scaffold cross bar for supporting large beam forms according to any one of claim 1-3 claim, it is characterized in that, one in the cell wall of expansion block mounting groove and the respective side walls of swelling slide block is provided with guide groove, another is provided with the sliver corresponding with guide groove, described guide groove and sliver matched in clearance also stop swelling slide block to be deviate from from the notch of expansion block mounting groove, and the bulge-structure that swelling slide block is established by its two ends place coordinates with sliding sleeve anticreep on activity direction.
5. the scaffold cross bar for supporting large beam forms according to claim 4, is characterized in that, notch or bottom land inclination gradually to expansion block mounting groove in sliver and the guide groove direction of advance all when the wedging of swelling slide block, the incline direction of the two is identical.
6. the scaffold cross bar for supporting large beam forms according to any one of claim 1-3, is characterized in that, described swelling slide block is provided with the scale being used to indicate its assembling degree of depth.
7. the scaffold cross bar for supporting large beam forms according to any one of claim 1-3 claim, is characterized in that, the two ends place at each cross buckle on horizontal steel pipe is respectively equipped with corresponding position limiting structure.
8. the scaffold cross bar for supporting large beam forms according to any one of claim 1-3 claim, it is characterized in that, the inner side of top cover is provided with the groove corresponding with wedge block, and described groove is along top cover groove axially, and the axis of wedge block transversely steel pipe coordinates with top cover anticreep.
9. the scaffold cross bar for supporting large beam forms according to any one of claim 1-3 claim, it is characterized in that, top cover is also provided with described hold down assembly and with corresponding, the inside and outside penetrating opening that holds down assembly, described in hold out against portion and be made up of the corresponding side free bearing held down assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310166366.1A CN103233576B (en) | 2013-05-08 | 2013-05-08 | Scaffold cross-bar used for supporting girder formwork |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310166366.1A CN103233576B (en) | 2013-05-08 | 2013-05-08 | Scaffold cross-bar used for supporting girder formwork |
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| Publication Number | Publication Date |
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| CN103233576A CN103233576A (en) | 2013-08-07 |
| CN103233576B true CN103233576B (en) | 2015-03-18 |
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| CN201310166366.1A Expired - Fee Related CN103233576B (en) | 2013-05-08 | 2013-05-08 | Scaffold cross-bar used for supporting girder formwork |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105442757A (en) * | 2015-11-05 | 2016-03-30 | 广西巨邦科技有限公司 | Pouring steel member for building support girder |
| CN105544961B (en) * | 2015-11-09 | 2018-11-09 | 朱新伟 | A kind of connection component and its connection fastener and connection frame of expanded metals and scaffold |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL70847C (en) * | ||||
| US504717A (en) * | 1893-09-12 | Umbrella-support | ||
| US2575917A (en) * | 1949-07-01 | 1951-11-20 | Up Right Inc | Swivel coupling |
| NL6609659A (en) * | 1966-03-08 | 1967-09-11 | ||
| CN2667083Y (en) * | 2003-04-04 | 2004-12-29 | 广州市第一建筑工程有限公司 | Steel pipe scaffold movable assembling slop steps board |
| CN1844609A (en) * | 2005-04-10 | 2006-10-11 | 李超 | Building scaffold rope fastener |
| CN201351359Y (en) * | 2009-01-22 | 2009-11-25 | 歌山建设集团有限公司 | Steel pipe fixed fastener-type template support |
| CN103046737B (en) * | 2013-02-07 | 2015-01-14 | 朱新伟 | Wedge-caulking cross buckle and sliding sleeve thereof |
| CN203230179U (en) * | 2013-05-08 | 2013-10-09 | 朱新伟 | Scaffolding transverse rod for supporting templates of girder |
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2013
- 2013-05-08 CN CN201310166366.1A patent/CN103233576B/en not_active Expired - Fee Related
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