CN201292611Y

CN201292611Y - Novel bar-steadier

Info

Publication number: CN201292611Y
Application number: CNU2008201541245U
Authority: CN
Inventors: 王华炯; 张易知
Original assignee: SHANGHAI CITI-RAISE CONSTRUCTION (GROUP) Co Ltd
Current assignee: SHANGHAI CITI-RAISE CONSTRUCTION (GROUP) Co Ltd
Priority date: 2008-10-17
Filing date: 2008-10-17
Publication date: 2009-08-19
Anticipated expiration: 2018-10-17

Abstract

The utility model relates to a novel steel reinforcement bracket which comprises a bracket base, a connection inserter, an adjustable connection piece and hat bands, wherein the top of the bracket base is provided with deep slots and shallow slots, which are intersected in a cross way to form four first inserting posts provided with center holes; the connection inserter comprises a pedestal, a post body arranged on the pedestal in a protruded way and four pins which are inserted in the four first inserting posts of the bracket base and are detachably connected with the four first inserting posts; the top of the adjustable connection piece is also provided with deep slots and shallow slots, which are intersected in a cross way to form four second inserting posts; the lower end of the adjustable connection piece is detachably connected with the post body of the connection inserter and can move up and down along the longitudinal direction of the post body; the hat bands are sleeved on the four second inserting posts at the upper end of the adjustable connection piece and are in threaded connection with the four second inserting posts. The utility model can be arranged between an upper layer of reinforcement mat and a lower layer of reinforcement mat, not only can fix the positions of the two layers of reinforcement mats but also can adjust the distance between the two layers of reinforcement mats.

Description

The new reinforcing steel bar support

Technical field

The utility model relates to a kind of support that is used for fixing steel mesh reinforcement in the cast-in-situ steel reinforced concrete.

Background technology

The flooring of modern building, most of monolithic reinforced concrete structure that adopts, adopt the double steel bar net in this monolithic reinforced concrete structure mostly, according to structural mechanics, the position of double steel bar net in the monolithic reinforced concrete structure layer is to have certain requirements, Tai Gao or the too low intensity and the application life that all can influence deck.

When the construction of monolithic reinforced concrete structure layer, adopt precast concrete cushion block, stirrup iron or other forms of support to carry out the unidirectional bed hedgehopping of individual layer usually and fix at present.It is easy to generate following problem: the one, and cushion block is cracked to be made the steel mesh reinforcement tenesmus thereby produces bottom dew muscle, and the 2nd, unidirectional bed hedgehopping is smash to produce on the steel mesh reinforcement when watering at concrete and is floated, and makes top mat to top offset.These problems can have a strong impact on the intensity and the application life of cast-in-situ steel reinforced concrete layer.

Summary of the invention

Technical problem to be solved in the utility model is to provide a kind of new reinforcing steel bar support, it can be installed between the upper and lower two-layer steel mesh reinforcement easily, can not only fix the position of upper and lower layer steel mesh reinforcement, and can regulate the spacing of upper and lower two-layer steel mesh reinforcement.

The technical scheme that the utility model adopted is: a kind of new reinforcing steel bar support comprises:

Bracket base is provided with the deep trouth and the shallow slot of the perforation that is used to embed reinforcing bar at the top of bracket base, it is staggered that deep trouth and shallow slot are cross, forms four first in the bracket base upper end and patches post, and each first patches post and be provided with centre bore;

Connect plug-in unit, comprise that a pedestal, is convexly set in cylinder and four pins that extend from the soffit of pedestal of the upper surface of pedestal downwards, these four pins with four first to patch post corresponding one by one, four pins that connect plug-in unit are inserted in four first of bracket base respectively and patch in the centre bore of post, and patch with four first that post is detachable to be connected;

Adjustable connector is provided with the deep trouth and the shallow slot of the perforation that is used to embed reinforcing bar at the top of adjustable connector, it is staggered that deep trouth and shallow slot are cross, forms four second in the upper end of adjustable connector and patch post; The lower end of adjustable connector and the detachable connection of the cylinder that is connected plug-in unit, and can move up and down along the longitudinal direction of cylinder;

Hatband, four second that are sheathed on adjustable connector upper end patch on the post, and patch male screw and be connected with four second.

In the above-mentioned new reinforcing steel bar support, adjustable connector is a sleeve pipe, and the lower end of sleeve pipe is sheathed on the cylinder that connects plug-in unit, and is threaded with cylinder.

After adopting technique scheme, top mat and lower floor's steel mesh reinforcement can be embedded respectively and be fixed on adjustable connector and the bracket base, avoided floating the generation of phenomenon on steel mesh reinforcement tenesmus and the steel mesh reinforcement, thereby improved the intensity and the application life of cast-in-situ steel reinforced concrete layer.In addition, the utility model by adjustable connector be connected being threaded of plug-in unit and can also realize that the spacing between top mat and the lower floor's steel mesh reinforcement regulates, thereby be convenient to construction.

Description of drawings

Fig. 1 is the structural representation of first kind of embodiment of new reinforcing steel bar support of the present utility model;

Fig. 2 is the schematic diagram of bracket base of first kind of embodiment of the utility model Steel bar rack;

Fig. 3 is the schematic diagram of connection plug-in unit of first kind of embodiment of the utility model Steel bar rack;

Fig. 4 is the schematic diagram of adjustable connector of first kind of embodiment of the utility model Steel bar rack;

Fig. 5 is the schematic diagram of hatband of first kind of embodiment of the utility model Steel bar rack;

Fig. 6 is the assembling process schematic diagram of the Steel bar rack of first kind of embodiment of the utility model;

Fig. 7 is the manufacture process schematic diagram of the employed a kind of bracket base of the utility model;

Fig. 8 is the structural representation of second kind of embodiment of new reinforcing steel bar support of the present utility model.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is made and to be further specified.

Fig. 1 shows first kind of embodiment of the present utility model, and as shown in Figure 1, Steel bar rack of the present utility model comprises bracket base 1, connects plug-in unit 2, adjustable connector 3 and hatband 4.

As shown in Figure 2, be provided with the deep trouth 11 and the shallow slot 12 of the perforation that is used to embed reinforcing bar at the top of bracket base 1, it is staggered that deep trouth 11 and shallow slot 12 are cross, forms four first in the upper end of bracket base 1 and patch post 13, and each first patches post 13 and be provided with centre bore 130.

As shown in Figure 3, connect plug-in unit 2 and comprise that a pedestal 21, is convexly set in cylinder 22 and four pins 23 that extend from the soffit of pedestal 21 of the upper surface of pedestal 21 downwards, it is corresponding one by one that these four pins 23 and bracket base 1 four first patch post 13, and can be inserted in four first centre bores 130 that patch post 13.In addition, as shown in Figures 2 and 3, on each pin 23 that connects plug-in unit, offer pin-and-hole 231, and also offer pin-and-hole 131 at the opposite position place that patches post 13 with this pin corresponding first, pin-and-hole 231 is identical with the diameter of pin-and-hole 131, and the center of circle is on same straight line, so, each pin 23 with patch post 13 corresponding to first of this pin 23 and can constitute detachable the connection with this first latch that patches post by running through this pin.Yet pin 23 and first patches connected mode between the post 13 and is not limited to above-mentioned latch and is connected, and pin 23 and first patches and also can adopt screw, bolt etc. to be connected and fixed between the post 13.

Fig. 4 is the schematic diagram of adjustable connector of first kind of embodiment of the utility model Steel bar rack, in the present embodiment, adjustable connector 3 is a sleeve pipe, offer the deep trouth 31 and the shallow slot 32 of the perforation that is used to embed reinforcing bar at its top, it is staggered that deep trouth 31 and shallow slot 32 are cross, patch 33, four second peripheral outer wall that patch post 33 of post four second of the upper end of sleeve pipe formation and be provided with external screw thread.The lower end of sleeve pipe can be sheathed on the cylinder 22 that connects plug-in unit, and is threaded with cylinder 22.Preferably, the difference between the external diameter of the width of the deep trouth of this adjustable connector and bracket base and shallow slot and reinforcing bar is greater than zero and less than 1mm.The bottom land of deep trouth 31 is apart from the distance H of the sleeve pipe bottom surface length L more than or equal to cylinder 22.In another embodiment, also can several locating holes be set along the longitudinal direction at the link position of cylinder and sleeve pipe, also can realize being connected between cylinder and sleeve pipe by passing pin that locating hole runs through cylinder and sleeve pipe, simultaneously, by pin is located in the highly different locating holes, sleeve pipe is moved up and down along the longitudinal direction of cylinder, thereby play the effect of regulating the spacing between top mat and the lower floor's steel mesh reinforcement.In another embodiment, adjustable connector 3 is a cylinder, is provided with external screw thread on the peripheral outer wall of this cylinder, and cylinder 22 offers a screwed hole that is used for ccontaining this adjustable connector 3, makes between adjustable connector 3 and the cylinder 22 to realize being threaded.

Fig. 5 shows the hatband of first kind of embodiment of the utility model Steel bar rack, and hatband 4 can be sheathed on four second of adjustable connector 3 upper ends and patch on the post 33, and patches male screw and be connected with these four second.Hatband 4 can be the annular shown in the figure, also can be the hexagon that offers screwed hole of centre, octagon etc.

Fig. 6 is the assembling process schematic diagram of the Steel bar rack of first kind of embodiment of the utility model.Shown in Fig. 6 (a), when using this Steel bar rack, at first two reinforcing bars 5 that cross lays of being with lower floor embed and are on bracket base 1 in the cross staggered deep trouth 11 and shallow slot 12.Then, shown in Fig. 6 (b), four first of inserting bracket bases 1 of four pins 23 that connect plug-in unit 2 are patched in the centre bore 130 of post 13, run through the pin-and-hole that pin 23 and first patches post 13 with latch 6 again, with bracket base 1 be connected plug-in unit 2 and link together, its result is shown in Fig. 6 (c).Then, shown in Fig. 6 (d), adjustable connector 3 is set on the cylinder 22 that connects plug-in unit, and is threaded with cylinder 22.When adjustable connector along cylinder 22 vertically be moved downward to cylinder 22 bottoms the time, the distance between the top of the deep trouth of adjustable connector 3 bottom reinforcing bar to the shallow slot of bracket base 1 should be equal to or slightly less than the minimum range between the designed double steel bar net.At last, two reinforcing bars 5 that cross lays of being on upper strata are embedded and are on adjustable connector 3 in the cross staggered deep trouth 31 and shallow slot 32, hatband 4 is sheathed on four second of adjustable connector upper end patches on the post 33, and patch male screw and be connected with these four second.Shown in Fig. 6 (e).

Fig. 7 shows the manufacture process of the employed a kind of bracket base of the utility model.Shown in Fig. 7 (A), this bracket base comprises the round platform 15 and a M shape gusset 16 of a hollow.The external diameter on round platform 15 tops is 3～5 times of bar diameter, and the external diameter of round platform 15 bottoms is 4～6 times of bar diameter.In (B) of Fig. 7, M shape gusset 16 is connected on the inwall of round platform 15 by weldering.Then, shown in Fig. 7 (C), be provided for the deep trouth 11 and the shallow slot 12 that cross interlocks that be of ccontaining reinforcing bar at the top of round platform.Be cross staggered deep trouth and shallow slot in order to form this, also be provided with at the round platform top and be the staggered gusset of cross, the cross section of each gusset is " U " shape.Simultaneously, also having formed four in bracket base upper end has first of centre bore 130 and patches post 13.In order to improve the support strength of this bracket base, this be staggered deep trouth of cross and shallow slot center line should with the central lines of M shape gusset.The side of round platform 15 is symmetrical arranged two pairs of through holes as pin-and-hole, and the bottom of pin-and-hole should be higher than the top of reinforcing bar in the shallow slot.Right-angled intersection arc cutting is done in the bottom of round platform 15, the center line of right-angled intersection arc cutting should with the central lines of M shape gusset, form the arch polycrystalline substance.Bracket base as shown in Figure 7 generally is used for moulding, and adopting this hollow sting base that is made of gusset is for the ease of fluid concrete, and bracket base of the present utility model also can adopt solid round platform manufacturing.

Fig. 8 shows second kind of embodiment of new reinforcing steel bar support of the present utility model.The difference of itself and first kind of embodiment is that bracket base 1 has adopted square structure with the pedestal 21 that is connected plug-in unit 2.

Though description of the present utility model combines certain embodiments, it should be understood by one skilled in the art that the utility model is not limited to embodiment described here, and can make amendment and change and do not deviate from spirit and scope of the present utility model.Should think that the description of manual is schematic and nonrestrictive.

Claims

1. a new reinforcing steel bar support is characterized in that, comprising:

Bracket base is provided with the deep trouth and the shallow slot of the perforation that is used to embed reinforcing bar at the top of described bracket base, it is staggered that described deep trouth and described shallow slot are cross, forms four first in the bracket base upper end and patches post, and each described first patches post and be provided with centre bore;

Connect plug-in unit, comprise that a pedestal, is convexly set in cylinder and four pins that extend from the soffit of described pedestal of the upper surface of described pedestal downwards, described four pins with described four first to patch post corresponding one by one, four pins that connect plug-in unit are inserted in four first of described bracket base respectively and patch in the centre bore of post, and patch with described four first that post is detachable to be connected;

Adjustable connector is provided with the deep trouth and the shallow slot of the perforation that is used to embed reinforcing bar at the top of described adjustable connector, it is staggered that described deep trouth and described shallow slot are cross, forms four second in the upper end of adjustable connector and patch post; The lower end of described adjustable connector and the detachable connection of the cylinder that is connected plug-in unit, and can move up and down along the longitudinal direction of described cylinder;

Hatband, four second that are sheathed on adjustable connector upper end patch on the post, and patch male screw and be connected with described four second.

2. new reinforcing steel bar support as claimed in claim 1 is characterized in that, described adjustable connector is a sleeve pipe, and the lower end of described sleeve pipe is sheathed on the cylinder of described connection plug-in unit, and is threaded with described cylinder.

3. new reinforcing steel bar support as claimed in claim 2 is characterized in that, the bottom land of the deep trouth of described sleeve pipe is apart from the distance of this sleeve pipe bottom surface length more than or equal to the cylinder that connects plug-in unit.

4. new reinforcing steel bar support as claimed in claim 1 is characterized in that, each pin of described connection plug-in unit and patch post by running through described pin and described first latch that patches post interconnects with this pin corresponding first.

5. new reinforcing steel bar support as claimed in claim 1 is characterized in that, described bracket base comprises the round platform and a M shape gusset of a hollow, and described M shape gusset weldering is connected on the inwall of described round platform.

6. new reinforcing steel bar support as claimed in claim 5 is characterized in that, the external diameter on described round platform top is 3～5 times of bar diameter, and the external diameter of described round platform bottom is 4～6 times of bar diameter.

7. new reinforcing steel bar support as claimed in claim 1 is characterized in that, the difference between the external diameter of the deep trouth of described bracket base and described adjustable connector and the width of shallow slot and reinforcing bar is greater than zero and less than 1mm.