CN1080013A

CN1080013A - The shelf of reinforcement

Info

Publication number: CN1080013A
Application number: CN93106489A
Authority: CN
Inventors: 弗理兹·布莱布勒
Original assignee: Brefeba NV
Current assignee: Brefeba NV
Priority date: 1992-06-09
Filing date: 1993-05-31
Publication date: 1993-12-29
Also published as: NO932087L; AU3860293A; FI932602A; EP0573723A1; JPH0673841A; NO932087D0; CA2097035A1; ZA933424B; FI932602A0; KR940000697A; AU658734B2

Abstract

The shelf of reinforcement in the concrete structure comprises a type beam and a plurality of carriage that is sleeved on the beam.Carriage sees from the side and is the A font that cross web is arranged at its top, constitutes the socket of beam.Beam is a double T shape configuration, and it has a web, be positioned at the bigger edge of a wing, the end of web bottom and be positioned at the horizontal edge of a wing of half eminence of web.The length on the horizontal edge of a wing is a bit larger tham the inboard width of respective socket.The web head is as the bearing surface of reinforcement.This shelf has very big steadiness, and available less cost and material manufacturing.In addition, the top of carriage is used as the bearing of accurate layout reinforcement.

Description

The shelf of reinforcement

The present invention relates to the shelf of reinforcement in a kind of concrete structure (as reinforcing bar), it comprises a type beam, and the type beam is kept by at least two carriages, carriage can sliding sleeve to the type beam and be attached thereto.This shelf is generally used for the manufacturing of concrete cover (as floor or ceiling) and as the supporting of steel bar.This shelf must provide firm supporting for reinforcement, and particularly when the people walked on reinforcement, they also will bear and trample load.Usually the metal shelf that adopts can can't satisfy bigger rigidity requirement gradually owing to corrode, so increased popularity adopts the plastics shelf.

When using the plastics shelf, the steadiness of each member and manufacturing reasonability just become even more important.DE-U-9000367 discloses a kind of shelf of the above-mentioned type, and it all is made of plastics, and its carriage can be clamped on the tee girder, and this assembling also can be carried out at the construction field (site).But, consider the elastic stretch of carriage head, requirement for restriction be proposed to the plastics kind that is adopted; On the other hand, assemble carriage if desired at the construction field (site), then need on beam, make scale, because carriage and reinforcement are arranged as far as possible equably.

Purpose of the present invention just provides a kind of shelf, and it can reasonably be made, and it has high steadiness and can bear the high load of trampling.

The objective of the invention is to realize that by a kind of like this shelf promptly each carriage is wherein seen from the side and is the A font, its top is provided with a cross web, to constitute the socket that inserts for the type beam; And the type beam is a double T shape configuration, it comprises a web, and the bottom of web is provided with a bigger edge of a wing, the end, and half eminence of web is provided with a horizontal edge of a wing, the length on the horizontal edge of a wing is a bit larger tham the inboard width of corresponding socket, and the head of web is used as the bearing surface of reinforcement.

In many concrete structures, the concrete cover that is cast into all exposes the downside of shelf, certainly this is for unimportant the concrete cover that will carry out facing construction (as japanning or brush dust slurry etc.) after those, but then is unacceptable for those do not prepare to carry out the concrete cover of facing construction again.Therefore, in another embodiment of the present invention, the following bottom of the cross web of carriage all is cast in the concrete.

Accompanying drawing below in conjunction with the expression embodiment of the invention is described in detail the present invention.

Fig. 1 is the part phantom drawing of beam of the present invention;

Fig. 2 is the phantom drawing of carriage of the present invention;

Fig. 3 is the sectional drawing of the sidewall of carriage shown in Figure 2;

Fig. 4 inserts the phantom drawing of the beam in the carriage for expression;

Fig. 5 is the phantom drawing of second embodiment of carriage of the present invention.

By shown in Figure 1, beam 1 has double T shape configuration, and beam shown in Figure 1 is an inversion state, and beam 1 promptly is in this state in use.The configuration of this double T shape is made up of web 2, the narrower horizontal edge of a wing 4 that is positioned at the bigger edge of a wing, the end 3 of web 2 bottoms and is positioned at web 2 half eminences.The head 5 of web 2 constitutes the bearing surface of reinforcement.Beam 1 can reasonably be made by suitable plastics.

According to Fig. 2, see that from the side carriage 6 is the form of capitalization A, be provided with a cross web 7 about its half eminence greatly, the top of carriage constitutes the socket 8 of beam 1 like this.There is the suitable length that can insert socket 8 on the edge of a wing, the end 3 and the horizontal edge of a wing 4.The length on the horizontal edge of a wing 4 is a bit larger tham the inboard width of the socket corresponding with it 8.Utilize this mode, can obtain clamping action, can prevent carriage moving freely on beam on the one hand thus, on the other hand, make it on beam, to slide and need not execute excessive power again.In addition, because three sidewalls 7 of formation socket and 13 upper side 9 are not flat, but outward-dipping towards the carriage both sides (along vertically looking of beam, as shown in Figure 3), so this helps carriage is slided on the beam.

The downside of cross web 7 is provided with two supporting legs 10, and in this embodiment, two supporting legs respectively have a median wall 11, to increase its steadiness, also is provided with connection web 12 between two supporting legs, also is used to improve its steadiness.This hollow case structure that has support has high steadiness on the one hand, also saves material on the other hand.

In the embodiment shown in Fig. 1-3, represented a given shelf, it keeps certain distance between unshowned template and unshowned reinforcement, wherein socket 8 and supporting leg and highly roughly the same.Be appreciated that, in building field, must be with respect to different spacing distances, so the same beam that requires to be used in this shelf wanted to adapt to identical socket 8, to satisfy the various distances between template and the reinforcement, the length of supporting leg 10 then can be made with required length as requested, so that the shelf with calibrated altitude to be provided.Because the structure of this carriage of the present invention is firm especially, so can use regenerated plastics manufacturing.

In Fig. 4, on a beam, be set with two carriages, and can see, beam is closed in the socket of carriage, because carriage is placed with accurate distance D to each other in factory, so cause reinforcement accurately to arrange, the result forms accurate grid.In addition, utilize the supporting of carriage upper side 14 formation, can further help the layout of reinforcement.

As previously mentioned, in some buildings, do not wish or do not allow to expose the downside of carriage,,, the bottom of carriage 15 is cast in the concrete 16 according to embodiment shown in Figure 5 for this situation.Like this, shelf and concrete structure are consolidated well, and make the complete coadaptation mutually of shelf and concrete structure and can make the downside of shelf expose building in the construction substantially or not.Except these advantages, have the shelf of the carriage that has concrete pedestal, the load of trampling for increasing can provide bigger safety.

Claims

1, the shelf of reinforcement in a kind of concrete structure, comprise a type beam, the type beam is held by at least two carriages, carriage can sliding sleeve to the type beam and be attached thereto, it is characterized in that each carriage is seen from the side is the A font, the top of carriage has a cross web, to constitute a socket for the insertion of type beam, and the type beam has double T shape configuration, it comprises a web, and the bottom of web is provided with a bigger edge of a wing, the end, and half eminence of web is provided with a horizontal edge of a wing, the length on the horizontal edge of a wing is a bit larger tham the inboard width of the socket corresponding with it, and the head of described web is used as the bearing surface of described reinforcement.

According to the shelf of claim 1, it is characterized in that 2, socket is connecting two supporting legs, the middle part of every supporting leg is provided with a longitudinal wall, and two supporting legs are connected together by a plate.

According to the shelf of claim 1, it is characterized in that 3,, look that the both sides of the interior face carriage of socket are outward-dipping, so that the type beam inserts from the length direction of type beam.

4,, it is characterized in that the lower end of carriage is cast in the concrete according to the shelf of claim 1.