CN208748838U - Cantilever steel girder anchor structure - Google Patents
Cantilever steel girder anchor structure Download PDFInfo
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- CN208748838U CN208748838U CN201821371342.4U CN201821371342U CN208748838U CN 208748838 U CN208748838 U CN 208748838U CN 201821371342 U CN201821371342 U CN 201821371342U CN 208748838 U CN208748838 U CN 208748838U
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- connecting rod
- floor
- steel girder
- anchor structure
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Abstract
The utility model proposes a kind of cantilever steel girder anchor structures, including floor, cantilever steel girder is fixed on the floor by anchor structure, wherein the floor is equipped with the preformed hole of at least a pair of of vertical direction, the anchor structure further includes a U-shaped steel muscle pull ring, a pair passes through the pair of preformed hole and extends to the connecting rod below the floor, the both ends of the U-shaped steel muscle pull ring pass through a two-way nut respectively and are connected with a connecting rod, the cantilever steel girder is set between the U-shaped steel muscle pull ring and a pair of connecting rod, the end of a pair of connecting rod being located at below floor passes through pressing plate and the pressing plate is locked on the floor by fastener.The accessories such as drawings of U-shaped steel muscle, two-way nut, connecting rod and fastener can repeatedly use after the utility model cantilever steel girder is removed, and cantilever steel girder be fixed on floor after can be convenient adjusting by the two-way nut progress later period.
Description
Technical field
The utility model relates to a kind of anchor structures, and in particular, to a kind of cantilever steel girder anchor structure.
Background technique
Existing cantilever steel girder anchor structure is as shown in Figure 1, include that floor 11 and at least three are embedded in the U of floor 11
Type round steel anchor ring 12, the right part two in Fig. 1, one, the floor side on the left side, cantilever steel girder 13 pass through three U-shaped round steel anchor rings
12 are fixed on floor 1.Specifically, as shown in Fig. 2, the opening of the U-shaped structure of U-shaped round steel anchor ring 12 is arranged in cantilever steel girder 13
In, the top of cantilever steel girder 13 is provided with pressure plate 14, and the upper end of U-shaped round steel anchor ring 12 passes through after passing through the hole on pressure plate 14
Fastening nut 15 is fixed.Meanwhile it being pre-configured on floor 11 and causing hogging moment for bearing the effect of 13 anchored end of cantilever steel girder
Steel bar stress 16.
Built-in fitting will be arranged in existing anchor structure in concrete floor before the use, so that anchor cannot be reused
The anchor structures such as ring and nut cause greatly to waste, and adjustability is bad after fixing, and is not used in and is widely used on a large scale.
Utility model content
The utility model provides a kind of cantilever steel girder anchor structure that can be improved utilization rate and be convenient for adjusting.
In order to realize that the purpose of this utility model, cantilever steel girder anchor structure, including floor, cantilever steel girder pass through anchoring knot
Structure is fixed on the floor, wherein the floor is equipped with the preformed hole of at least a pair of of vertical direction, and the anchor structure is also
Including a U-shaped steel muscle pull ring, a pair of pass through the pair of preformed hole and extend to connecting rod below the floor, described U-shaped
The both ends of reinforcing bar pull ring pass through a two-way nut respectively and are connected with a connecting rod, and the cantilever steel girder is set to described U-shaped
Between reinforcing bar pull ring and a pair of connecting rod, the end of a pair of connecting rod being located at below floor passes through pressing plate and passes through
The pressing plate is locked on the floor by fastener.
Preferably, the two-way nut is connected with the U-shaped steel muscle pull ring by the screw thread of the first rotation direction, described two-way
Nut is connected with the connecting rod by the screw thread of the second rotation direction, wherein first rotation direction and described second oppositely oriented.
Preferably, timber wedge and/or described outstanding is provided between the top of the cantilever steel girder and the U-shaped steel muscle pull ring
It chooses and is provided with timber wedge between girder steel and a pair of connecting rod.
Preferably, reserved casing is provided in the preformed hole, a connecting rod passes through the reserved casing.
Preferably, the reserved casing is pvc pipe, diameter 22mm.
Preferably, the end of a pair of connecting rod being located at below floor is provided with external screw thread, and the fastener is
The end of locking nut, a connecting rod is fixed by least two locking nuts.
Preferably, the pressing plate is rectangle keeper plate of steel, and the thickness of the rectangle keeper plate of steel is not less than 10mm, and width is not less than
100mm。
Preferably, the pressing plate is angle steel pressing plate, and the thickness of the angle steel pressing plate is not less than 6mm, and length is not less than 63mm.
Preferably, the cantilever steel girder is No. 18 I-steel.
As long as through the above technical solutions, due to the preformed hole for opening up vertical direction on floor, with U-shaped in use process
Reinforcing bar drawing, two-way nut, connecting rod and fastener can be to cantilever steel girder be reliably being anchored, and the later period removes overhang steel
The accessories such as U-shaped steel muscle drawing after beam, two-way nut, connecting rod and fastener can repeatedly use, and saved material, reduced
Use cost;On the other hand, U-shaped steel muscle, which is drawn, is connected between connecting rod by two-way nut, and cantilever steel girder is fixed on floor
The adjusting in later period can be carried out after upper, by two-way nut in favor of large-scale use.
Other feature and advantage of the utility model will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is to be used to provide a further understanding of the present invention, and constitute part of specification, and following
Specific embodiment be used to explain the utility model together, but do not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of side schematic view of cantilever steel girder anchor structure of the prior art;
Fig. 2 is a kind of schematic view of the front view of cantilever steel girder anchor structure of the prior art;
Fig. 3 is the schematic view of the front view of cantilever steel girder anchor structure provided by the embodiment of the utility model.
Specific embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein
Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.
With reference to Fig. 3, in the preferred embodiment of the utility model, the utility model provides a kind of cantilever steel girder anchor structure,
Including floor 21, cantilever steel girder 23 is fixed on floor 21 by anchor structure, which is equipped at least a pair of vertical side
To preformed hole 24, anchor structure further includes a U-shaped steel muscle pull ring 22, a pair of pass through a pair of of preformed hole and extend to below floor
Connecting rod 25, U-shaped steel muscle pull ring 22 both ends and a pair of of connecting rod 25 between respectively by one it is adjustable between the two away from
From two-way nut 26 connect, cantilever steel girder 23 is set between U-shaped steel muscle pull ring 22 and a pair of of connecting rod 25, a pair of of connecting rod
25 end for being located at 21 lower section of floor passes through pressing plate 28 and the pressing plate 28 is locked in floor 10 by fastener
On lower surface.
At least a pair of of preformed hole 24 is reserved when casting concrete floor 21 in floor 21, anchor is being carried out to cantilever steel girder 23
Gu when, cantilever steel girder 23 is placed on floor 21, and is located between two preformed holes 24, then by 22 He of U-shaped steel muscle pull ring
Two connecting rods 25 are connected by a two-way nut 26 respectively, then two connecting rods 25 that will be connected with U-shaped steel muscle pull ring 22
It is each passed through a preformed hole 24 and stretches out 21 bottom of floor, fix pressing plate across pressing plate 28 and with fastener.It is specific one
In embodiment, connecting rod 25 is reinforcing bar connecting rod, and U-shaped steel muscle pull ring 22 and the diameter of two connecting rods 25 are 20mm, is hanged
Choosing girder steel is No. 18 I-steel.
The utility model is provided in a kind of cantilever steel girder anchor structure, as long as due to opening up the pre- of vertical direction on floor
It boxes out, can be carried out reliably to cantilever steel girder in use process with the drawing of U-shaped steel muscle, two-way nut, connecting rod and fastener
Anchoring, the later period removes the accessories such as the drawing of U-shaped steel muscle, two-way nut, connecting rod and fastener after cantilever steel girder and can repeatedly weigh
It is multiple to use, material has been saved, use cost is reduced;On the other hand, U-shaped steel muscle, which is drawn, is connected between connecting rod by two-way nut
It connects, cantilever steel girder can carry out the adjusting in later period by two-way nut after being fixed on floor, in favor of large-scale use.
Generally bi-directional nut is the identical oppositely oriented nut of the screw pitch of a both ends screw thread.In one embodiment, two-way
Nut 26 is connected with U-shaped steel muscle pull ring 22 by the screw thread of the first rotation direction, and two-way nut 26 passes through the second rotation with connecting rod 25
To screw thread be connected, wherein the first rotation direction and second oppositely oriented.More specifically, when the upper end of two-way nut 26 is dextrorotation
Nut end, then the end of U-shaped steel muscle pull ring 22 has right-handed thread, and simultaneously bi-directionally the lower end of nut 26 is left-handed nut end,
Then the upper end of connecting rod 26 has left hand thread, vice versa.That is U-shaped steel muscle pull ring 22 end that is connect with connecting rod 25
Thread rotary orientation is opposite, as long as rotating two-way nut 26 when in use, the U-shaped steel muscle pull ring 22 and connecting rod 25 that are vertically connected with
It will stretch out or be retracted simultaneously, improve the convenience of adjusting.I.e. U-shaped steel muscle, which is drawn, is connected between connecting rod by two-way nut
It connects, allows to adjust above floor, without easily facilitating construction to de-regulation fastener below floor.
With continued reference to Fig. 3, timber wedge 29, and/or overhanging are provided between the top and U-shaped steel muscle pull ring 22 of cantilever steel girder 23
Timber wedge is provided between girder steel 23 and a pair of of connecting rod 25.By the way that timber wedge is arranged, U-shaped steel muscle pull ring can further compress overhanging
Girder steel, while also increasing forced area.
In a preferred embodiment, it is provided in preformed hole 24 reserved casing (not shown), a connecting rod 25 passes through reserved
Casing and through the lower section of floor 21.Specifically, reserved casing can use pvc pipe, diameter 22mm.By the way that reserved set is arranged
Pipe, connecting rod can be isolated with concrete preformed hole, and assembling and disassembling is simpler and conveniently.
Further, the end for being located at 21 lower section of floor of a pair of of connecting rod 25 is provided with external screw thread, and fastener is locking
The end of nut 27, a connecting rod 25 is fixed by least two locking nuts 27.Wherein, the stretching building of connecting rod 25
The end of plate 21 is formed as 150mm long mantle fiber.
With continued reference to Fig. 3, in order to increase the tension forced area between connecting rod 25 and floor 21, locking nut 27 and building
Pressing plate 28 is provided between plate 21.Specifically, pressing plate is angle steel pressing plate, and the thickness of usual angle steel pressing plate is not less than 6mm, and length is not
Less than 63mm.In other embodiments, pressing plate is rectangle keeper plate of steel, and the thickness of rectangle keeper plate of steel is not less than 10mm, and width is not small
In 100mm.
To sum up, cantilever steel girder anchor structure provided by the utility model, which can be repeated several times, is used in turn, and convenient for adjusting.
Preferred embodiments of the present invention, still, the utility model and unlimited are described in detail in conjunction with attached drawing above
Detail in above embodiment can be to the skill of the utility model in the range of the technology design of the utility model
Art scheme carries out a variety of simple variants, these simple variants belong to the protection scope of the utility model.
It is further to note that specific technical features described in the above specific embodiments, in not lance
It in the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the utility model is to each
No further explanation will be given for the possible combination of kind.
In addition, any combination can also be carried out between a variety of different embodiments of the utility model, as long as it is not disobeyed
The thought for carrying on the back the utility model, equally should be considered as content disclosed in the utility model.
Claims (9)
1. a kind of cantilever steel girder anchor structure, including floor, cantilever steel girder are fixed on the floor by anchor structure, special
Sign is that the floor is equipped with the preformed hole of at least a pair of of vertical direction, and the anchor structure further includes that a U-shaped steel muscle is drawn
Ring, a pair pass through the pair of preformed hole and extend to the both ends point of the connecting rod below the floor, the U-shaped steel muscle pull ring
Not Tong Guo a two-way nut be connected with a connecting rod, the cantilever steel girder is set to the U-shaped steel muscle pull ring and a pair of of institute
It states between connecting rod, the end of a pair of connecting rod being located at below floor passes through pressing plate and passes through fastener for the pressing plate
It is locked on the floor.
2. cantilever steel girder anchor structure according to claim 1, which is characterized in that the two-way nut and the U-shaped steel
Muscle pull ring is connected by the screw thread of the first rotation direction, and the two-way nut is connected with the connecting rod by the screw thread of the second rotation direction
It connects, wherein first rotation direction and described second oppositely oriented.
3. cantilever steel girder anchor structure according to claim 1, which is characterized in that the top of the cantilever steel girder with it is described
It is provided between U-shaped steel muscle pull ring between timber wedge and/or the cantilever steel girder and a pair of connecting rod and is provided with timber wedge.
4. cantilever steel girder anchor structure according to claim 1, which is characterized in that be provided with reserved set in the preformed hole
Pipe, a connecting rod pass through the reserved casing.
5. cantilever steel girder anchor structure according to claim 4, which is characterized in that the reserved casing is pvc pipe, diameter
For 22mm.
6. cantilever steel girder anchor structure according to claim 1, which is characterized in that a pair of connecting rod is located at floor
The end of lower section is provided with external screw thread, and the fastener is locking nut, and the end of a connecting rod passes through at least two
The locking nut is fixed.
7. cantilever steel girder anchor structure according to claim 1, which is characterized in that the pressing plate is rectangle keeper plate of steel, institute
The thickness of rectangle keeper plate of steel is stated not less than 10mm, width is not less than 100mm.
8. cantilever steel girder anchor structure according to claim 1, which is characterized in that the pressing plate is angle steel pressing plate, described
The thickness of angle steel pressing plate is not less than 6mm, and length is not less than 63mm.
9. cantilever steel girder anchor structure according to claim 1, which is characterized in that the cantilever steel girder is No. 18 I-shapeds
Steel.
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CN201821371342.4U CN208748838U (en) | 2018-08-24 | 2018-08-24 | Cantilever steel girder anchor structure |
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CN201821371342.4U CN208748838U (en) | 2018-08-24 | 2018-08-24 | Cantilever steel girder anchor structure |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111622483A (en) * | 2020-05-20 | 2020-09-04 | 湖南省第四工程有限公司 | Method for erecting reverse-construction type overhanging scaffold |
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2018
- 2018-08-24 CN CN201821371342.4U patent/CN208748838U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111622483A (en) * | 2020-05-20 | 2020-09-04 | 湖南省第四工程有限公司 | Method for erecting reverse-construction type overhanging scaffold |
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