CN201297032Y - Sleeve board for pre-burying bolts - Google Patents

Abstract

The utility model discloses a sleeve board for pre-burying bolts, which comprises a steel plate, galvanized pipes, and two connection steel pipes. Two to ten positioning holes are formed on the steel plate; cross axes are curved on the steel plate; the center of a vibrating hole further formed on the steel plate is positioned at the intersection of the cross axes; the galvanized pipes are fixedly welded on the upper end surface of the steel plate, the axis of each galvanized pipe is perpendicular to the upper end surface of the steel plate, each galvanized pipe is positioned in a positioning hole on the steel plate, and the inner diameters and the axes of the galvanized pipes and the positioning holes are identical; and the connection steel pipes are respectively welded on the outer side of the galvanized pipes. In the sleeve board for pre-burying bolts provided by the utility model, the galvanized pipes are welded in the positioning holes, so that the position of bolts can be better limited; and the structure of the connection steel pipes is adopted, so that the installation and disassembly of the sleeve board are more convenient.

Description

A kind of pre-embedded bolt cage plate

Technical field

The utility model relates to a kind of device for building, relates in particular to a kind of pre-embedded bolt cage plate that is used for the bolt location in pre-embedded bolt construction at the bottom of the post.

Background technology

Advantages such as building trade develops into now, and steel building is low with its cost, anti-seismic performance is good and emerging rapidly.The steel column of steel building is generally taken root on the base concrete base for post by pre-embedded anchoring bolts, but accurately the location is relatively more difficult in the pre-embedded bolt installation process, and in the process of cast base concrete, cause the bolt displacement easily, cause adverse effect and can install to later superstructure.Therefore the firm degree and the installation accuracy of the pre-buried installation of foot bolt are the key factors that influences the Steel Structure Installation quality fundamentally.

Chinese patent literature CN 201059070Y discloses a kind of " the accurate locating template of pre-embedded bolt group at the bottom of the steel structure column ", this template is except being drilled with the axis that also is carved with both direction the locating hole on stencil plane on template, thereby solved the problem of the pre-buried installing and locating of foot bolt group fundamentally.But this template in use, only can rely on locating hole that bolt is positioned and supports, and pre-embedded bolt is long usually, all shake easily in template part up and down after passing locating hole, also may produce loosening by collided gudgeon during concreting, the capital has influence on the accurate location of bolt, influences construction quality.And also there is defective in the placement in use of this template, because this template does not have to make template can be placed in structure on the spar template of steel column, therefore this template area must be greater than steel column surface area to be built, the inconvenient concreting of one side, work as the pre-embedded bolt design on the other hand in the middle of large-scale steel column, raw material are just relatively wasted in the making of template so.

The utility model content

The purpose of this utility model provide can make in a kind of use that pre-embedded bolt is pinpoint can reusable pre-embedded bolt cage plate.

The technical scheme that realizes the utility model purpose is a kind of pre-embedded bolt cage plate, comprises steel plate.Be drilled with 2～10 locating holes on the steel plate.Be carved with the cross axis on the steel plate.Also comprise galvanized pipe.Galvanized pipe is weldingly fixed on the upper surface of described steel plate, and the upper surface of the axis of galvanized pipe and steel plate is perpendicular, and each galvanized pipe is positioned at a corresponding locating hole place of steel plate, and the internal diameter of galvanized pipe is identical with the diameter of locating hole and both axis is also identical.

As preferably, the locating hole on the described steel plate has four, and these four locating holes are centrosymmetric and are arranged on the steel plate.Corresponding also have four galvanized pipes, and also corresponding being centrosymmetric of these four galvanized pipes is arranged on the steel plate.

The thickness of described galvanized pipe is 2.5～4.0mm, and length is 80～200mm, and the internal diameter of galvanized pipe is than the big 0.5～1.5mm of diameter of pre-embedded bolt.

As improvement, described steel plate is provided with the hole of vibrating, the hole of vibrating be centered close to cross crossing point of axes place.The diameter in hole of vibrating is 80～120mm.

As further improvement, comprise that also two connect steel pipe, wherein one connects the outside that steel pipe is fixedly welded on corresponding two galvanized pipes, and another root connects the outside that steel pipe is fixedly welded on corresponding other two galvanized pipes.Connect the long 1～2m of steel pipe.

After having adopted above structure, the utlity model has following beneficial effect: (1) pre-embedded bolt cage plate of the present utility model is owing to welded galvanized pipe in the position of the locating hole of steel plate, in use, bolt is passed steel plate and galvanized pipe from locating hole, because galvanized pipe has certain length, thereby can well limit the position of bolt, bolt can not shake and be offset.(2) quantity of the locating hole on the pre-embedded bolt cage plate of the present utility model is identical with the quantity of pre-embedded bolt, therefore can make steel plate and corresponding pre-embedded bolt cage plate with varying number locating hole, thereby can adapt to different building requirements.(3) when pre-embedded bolt cage plate of the present utility model after the cross axis centre is provided with the hole of vibrating, when concreting, can be concrete vibrating is closely knit by the hole of vibrating, can guarantee that concrete also can have been built in the space under the cage plate, therefore can guarantee the quality of concreting.(4) when pre-embedded bolt cage plate of the present utility model the outside of galvanized pipe be welded with connect steel pipe in, convenient when the work of cage plate being installed and removing cage plate.And will connect steel pipe and reinforce steel pipe with the post of the spar template of waiting to build the concrete column base and fix, just can make cage plate stably be held on the top of spar template, thereby the design attitude that the steel plate area only needs to cover pre-embedded bolt gets final product, also for reserving the space of enough concreting base for posts, convenient construction around the spar template.(5) pre-embedded bolt cage plate of the present utility model science simple in structure, easy to operate can be reused, and saves raw material when guaranteeing construction quality.

Description of drawings

Fig. 1 is the schematic top plan view of a kind of structure of the present utility model.

Fig. 2 is a steel plate structure schematic diagram of the present utility model.

Fig. 3 is the A-A cross-sectional schematic of Fig. 1.

Fig. 4 is the B-B cross-sectional schematic of Fig. 1.

Fig. 5 carries out the schematic diagram of pre-embedded bolt construction for using the utility model.

Fig. 6 is the C-C cross-sectional schematic of Fig. 5, and has increased bolt and nut on the basis of Fig. 5.

The specific embodiment

(embodiment 1)

See Fig. 1 to Fig. 4, the pre-embedded bolt cage plate of present embodiment comprises square plate 1, galvanized pipe 2 and is connected steel pipe 3.

Be drilled with four locating hole 11-1,11-2,11-3,11-4 that are centrosymmetric on the steel plate 1.Be carved with cross axis 12 on the steel plate 1.

The thickness of steel plate 1 is 10mm, in order to guarantee construction quality, should determine that steel plate does not have phenomenons such as distortion, warpage.

The quantity of the locating hole 11 of steel plate 1 is identical with the quantity of pre-embedded bolt, so the steel plate 1 of present embodiment is adapted to the cast that pre-embedded bolt quantity is 4 base concrete base for post.The center distance of these 4 locating hole 11-1,11-2,11-3,11-4 should meet designing requirement, promptly meets the position and the spacing requirement of the pre-embedded bolt of design.

Also being provided with diameter on the steel plate 1 is the hole 13 of vibrating of 80～120mm, the hole 13 of vibrating be centered close to cross crossing point of axes place.The setting in hole 13 of vibrating is when guaranteeing concreting, is positioned at the space of steel plate below 1 and also can fills up concrete densely.

Galvanized pipe 2 has four, each root galvanized pipe 2 is weldingly fixed on a corresponding locating hole place of the upper surface of steel plate 1, i.e. locating hole 11-1 place welding galvanized pipe 2-1, locating hole 11-2 place welding galvanized pipe 2-2, locating hole 11-3 place welding galvanized pipe 2-3, locating hole 11-4 place welding galvanized pipe 2-4.The diameter of the internal diameter of galvanized pipe 2 and locating hole 11 is identical and both axis is also identical.The wall thickness of every galvanized pipe 2 is at 2.5～4.0mm, and internal diameter is than the big 0.5～1.5mm of pre-embedded bolt, and length is 80～200mm.Galvanized pipe must be vertical with steel plate when welding, and the center coincides.

Connecting steel pipe 3 has two, and these two length that connect steel pipe 3-1,3-2 are 1.2m, connects steel pipe 3-1 and welds mutually with the outside of galvanized pipe 2-1 and galvanized pipe 2-2, connects steel pipe 3-2 and welds mutually with the outside of galvanized pipe 2-3 and galvanized pipe 2-4.

See Fig. 5 and Fig. 6, every side is provided with three flitches 5 between spar template 4 and the reinforcing steel pipe 6 of post all around (every layer is only drawn 4 among the figure).When using the pre-embedded bolt cage plate of present embodiment, with transit axis is labeled in post earlier and reinforces on the steel pipe 6.Upwards be inserted in a nut 81 in every bolt 7 lower ends then, 4 bolts 7 that are with nut 81 are passed steel plate 1 from the locating hole 11 of steel plate 1 correspondence enter galvanized pipe 2 and pass from the upper port of galvanized pipe 2, from top to bottom nut 82 is screwed on the upper end of a corresponding bolt 7 again, thereby bolt 7 and pre-embedded bolt cage plate are joined together.Lift and connect steel pipe 3, reinforce on the steel pipe 6, and the pre-embedded bolt cage plate is positioned over together with bolt 7 in the middle of the top of spar template 4 connecting the post that steel pipe 3 is held on the superiors.

Reinforce institute's target axis on the steel pipe 6 according to post, the cross axis 12 of pre-embedded bolt cage plate to the steel plate 1 and the dead in line of mark are moved in backguy.After determining good position, will connect steel pipe 3 with fastener and fix with post reinforcing steel pipe 6.After the pre-embedded bolt cage plate fixedly finishes, begin to install and fix bolt 7.Control the absolute altitude of bolt 7 with level gauge well according to designing requirement, determine good position after, nut 82 is tightened on the upper port of galvanized pipe 2 and from the top respectively and is tightened on steel plate 1 soffit from the below with nut 81; The welding of the base for post reinforcing bar of the screw rod of bolt 7 and below, do not produce displacement with reinforcing bar with assurance bolt 7.After all installing, detect, in allowed limits with the deviation that guarantees pre-embedded bolt with the cross axis 12 of transit to axis and steel plate 1.Afterwards, with adhesive tape the silk head of nut 82 and bolt 7 is wrapped up protection.After finishing the installation of pre-embedded bolt, concreting base for post in spar template 4, and vibrate by the hole 13 of vibrating on the steel plate 1, closely knit to guarantee concrete vibrating.After the concrete base for post is built and finished, be dismountable pre-embedded bolt cage plate two days later, thereby can have enough to meet the need repeated use.During dismounting, unclamp the fastener that connects between steel pipe 3 and the post reinforcing steel pipe 6 earlier, screw off nut 82, lift connection steel pipe 3, the pre-embedded bolt cage plate is moved up, all break away from bolt 7, screw off nut 81 again and get final product until the pre-embedded bolt cage plate.After removing the pre-embedded bolt cage plate, also nut 82 can be tightened on the bolt 7, and the silk head of nut 82 and bolt 7 be wrapped up protection with adhesive tape.

Claims (7)

1, a kind of pre-embedded bolt cage plate comprises steel plate (1); Be drilled with 2～10 locating holes (11) on the steel plate (1); Be carved with cross axis (12) on the steel plate (1); It is characterized in that: also comprise galvanized pipe (2); Galvanized pipe (2) is weldingly fixed on the upper surface of described steel plate (1), and the upper surface of the axis of galvanized pipe (2) and steel plate (1) is perpendicular, each galvanized pipe (2) is positioned at a corresponding locating hole (11) of steel plate to be located, and the diameter of the internal diameter of galvanized pipe (2) and locating hole (11) is identical and both axis is also identical.

2, pre-embedded bolt cage plate according to claim 1, it is characterized in that: the locating hole (11) on the described steel plate (1) has four, these four locating holes (11-1,11-2,11-3,11-4) are centrosymmetric and are arranged on the steel plate (1), corresponding also have four galvanized pipes (2-1,2-2,2-3,2-4), and also corresponding being centrosymmetric of these four galvanized pipes (2-1,2-2,2-3,2-4) is arranged on the steel plate (1).

3, pre-embedded bolt cage plate according to claim 2 is characterized in that: the thickness of described galvanized pipe (2) is 2.5～4.0mm, and length is 80～200mm, and the internal diameter of galvanized pipe (2) is than the big 0.5～1.5mm of diameter of pre-embedded bolt.

4, according to the described pre-embedded bolt cage plate of one of claim 1 to 3, it is characterized in that: described steel plate (1) is provided with the hole of vibrating (13), the hole of vibrating (13) be centered close to cross crossing point of axes place.

5, pre-embedded bolt cage plate according to claim 4 is characterized in that: the diameter in the described hole of vibrating (13) is 80～120mm.

6, pre-embedded bolt cage plate according to claim 2, it is characterized in that: comprise that also two connect steel pipe (3-1,3-2), wherein one connects the outside that steel pipe (3-1) is fixedly welded on corresponding two galvanized pipes (2-1,2-2), and another root connects the outside that steel pipe (3-2) is fixedly welded on corresponding other two galvanized pipes (2-3,2-4).

7, pre-embedded bolt cage plate according to claim 6 is characterized in that: the long 1～2m of described connection steel pipe (3-1,3-2).

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