CN210848984U - Spacing adjusting device of lower chord reinforcing bar and web member reinforcing bar - Google Patents

Abstract

A device for adjusting the distance between a lower chord steel bar and a web member steel bar comprises two web member guide rails, the two limiting plates are symmetrically fixed on two sides of an outlet of the two web member guide rails, the limiting rollers are horizontally arranged, a limiting groove for the lower chord steel bar to pass through is formed in the circumferential direction of the side wall of each limiting roller, the two lower chord steel bars pass through the limiting grooves of the corresponding limiting rollers and then are expanded outwards, the two limiting rollers are symmetrically fixed on two sides of the outlet of the two web member guide rails, the limiting rollers are horizontally arranged, a limiting groove for the lower chord steel bar to pass through is formed in the circumferential direction of the side wall of each limiting roller, and the two lower chord steel bars are drawn close to each other after passing through the limiting grooves of the corresponding limiting rollers, so that the two lower chord steel bars are tightly attached to the corresponding web member steel bars. The device can quickly and effectively cling the lower chord steel bars and the web member steel bars together so as to carry out welding.

Description

Spacing adjusting device of lower chord reinforcing bar and web member reinforcing bar

Technical Field

The utility model relates to a steel bar truss production facility field especially indicates an interval adjusting device of lower chord reinforcing bar and web member reinforcing bar.

Background

The steel bar truss is a three-dimensional truss product which is mostly of a triangular structure and is formed by welding steel bars, and comprises an upper chord steel bar and two lower chord steel bars located below the upper chord steel bar, and a web member steel bar which is of a wave-shaped structure is further welded between the upper chord steel bar and the two lower chord steel bars respectively.

On an automatic production line of a steel bar truss, after web member steel bars are bent into a wave-shaped structure, the tops of the two web member steel bars are respectively welded with upper chord steel bars, and then the lower parts of the two web member steel bars are respectively welded with the corresponding lower chord steel bars. At present, in the welding process of the lower chord steel bar and the web member steel bar, because a certain distance exists between the web member steel bar and the lower chord steel bar, the web member steel bar and the lower chord steel bar are not well attached together, and therefore the problem of insufficient welding or infirm welding often occurs.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an interval adjusting device of lower chord reinforcing bar and web member reinforcing bar is provided, the device can be fast, effectual hug closely lower chord reinforcing bar and web member reinforcing bar together to welding process goes on together next.

In order to solve the technical problem, the utility model discloses a following technical scheme: a device for adjusting the distance between lower chord steel bars and web member steel bars comprises two web member guide rails, two limiting plates and two limiting rollers, wherein the two web member guide rails are arranged alternately and in parallel, the two web member guide rails are both provided with guide grooves for the lower parts of the web member steel bars to pass through, the two limiting plates are symmetrically fixed on the outer sides of the two web member guide rails, one sides of the two limiting plates, which are opposite to each other, are respectively provided with a notch, the two lower chord steel bars respectively pass through the notches of the corresponding limiting plates and then expand outwards, the two limiting rollers are symmetrically fixed on two sides of the outlets of the two web member guide rails, the limiting rollers are horizontally arranged, a limiting groove is formed along the circumferential direction of the side walls of the limiting rollers, when a steel bar truss enters the width adjusting device, the two lower chord steel bars firstly pass through the notches of the corresponding limiting plates respectively, then enter between the two limiting rollers and then pass through the limiting, so that the two lower chord reinforcing bars are drawn inward to be respectively closely attached to the corresponding web member reinforcing bars.

Furthermore, the limiting idler wheel is fixed on the mounting seat, the mounting seat comprises a mounting block fixed on the outer side of the web member guide rail and a mounting plate fixed on the mounting block, a bearing is mounted inside the limiting idler wheel, a bolt is fixed in the bearing, and the bolt is vertically connected with the mounting plate.

Furthermore, the web member guide rail comprises two steel plates which are oppositely arranged and a steel bar which is arranged between the two steel plates, and the two steel plates and the steel bar jointly form a guide groove for the lower part of the web member steel bar to pass through.

Furthermore, the limiting plate is fixedly connected with the steel plate of the web member guide rail through a screw.

Preferably, a baffle plate for preventing the upper chord steel bars and the web member steel bars from upwardly deviating is arranged in parallel right above the two web member guide rails.

When the steel bar truss enters the space adjusting device of the lower chord steel bars and the web member steel bars involved in the utility model, the two lower chord steel bars firstly pass through the gaps of the corresponding limiting plates respectively, at the moment, the two lower chord steel bars expand outwards, the distance between the two lower chord steel bars is increased, then the two lower chord steel bars enter between the two limiting rollers and pass through the limiting grooves of the corresponding limiting rollers respectively, at the moment, under the matching of the jacking force of the two limiting plates, the two lower chord steel bars are drawn close inwards, the distance between the two lower chord steel bars is reduced, the distance is smaller than the distance between the two lower chord steel bars before the two lower chord steel bars enter the device, as the distance between the two web member steel bars of the steel bar truss is still kept unchanged, therefore, after the two lower chord steel bars come out from between the two limiting rollers, the two lower chord steel bars can be respectively clung to the corresponding web member steel bars, under the condition, the truss steel, the lower part of the web member steel bar and the lower chord steel bar can be firmly welded together, so that the problems of insufficient welding and infirm welding are avoided. To sum up, the utility model discloses a simple structure can be fast, effectual hug closely down chord steel bar and web member reinforcing bar together to go on of welding process one down.

Drawings

Fig. 1 is the utility model relates to a lower chord reinforcing bar and web member reinforcing bar's interval adjusting device's schematic structure.

The reference signs are:

a-web member steel bar B-bottom chord steel bar C-top chord steel bar

1-web member guide rail 1 a-guide groove 2-limit plate

2 a-notch 3-spacing roller 3 a-spacing groove

4-mounting seat 5-bolt 6-screw

7-baffle.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or interconnected between two elements, directly or indirectly through intervening media, and the specific meaning of the terms may be understood by those skilled in the art according to their specific situation.

As shown in figure 1, the device for adjusting the distance between a lower chord steel bar and a web member steel bar comprises two web member guide rails 1, two limiting plates 2 and two limiting rollers 3, wherein the two web member guide rails 1 are arranged alternately and parallelly, the two web member guide rails 1 are respectively provided with a guide groove 1a for the lower part of the web member steel bar A to pass through, the width of the guide groove 1a is designed according to the thickness of the web member steel bar A, the depth of the guide groove 1a is about one fifth of the height of the web member steel bar A, the two limiting plates 2 are symmetrically fixed on the outer sides of the two web member guide rails 1, the limiting plates 2 are vertically arranged, the top ends of the limiting plates 2 are higher than the lower chord steel bar B, one sides of the two limiting plates 2 opposite to each other are respectively provided with a notch 2a for the lower chord steel bar B to pass through, the notches 2a are positioned on the upper parts of the limiting plates 2, the size of the notches 2a is designed according to the thickness, the two limiting rollers 3 are symmetrically fixed on two sides of the outlets of the two web member guide rails 1, the limiting rollers 3 are horizontally arranged, a limiting groove 3a is annularly formed along the side wall of each limiting roller 3, the two lower chord steel bars B respectively pass through the corresponding notches 2a, then enter between the two limiting rollers 3 and pass through the limiting grooves 3a of the corresponding limiting rollers 3, the limiting rollers 3 can rotate, and when the lower chord steel bars B pass through the limiting grooves 3a, the limiting rollers 3 rotate along with the friction between the lower chord steel bars B and the limiting rollers 3 so as to reduce the advancing resistance of the lower chord steel bars B; needless to say, the height of the notch 2a and the stopper groove 3a is required, and the two are located on the same horizontal plane as the lower-chord reinforcing steel bar B, and the lower-chord reinforcing steel bar B can horizontally pass through the notch 2a and the stopper groove 3 a.

When the steel bar truss enters the width adjusting device, the two lower chord steel bars B respectively pass through the gaps 2a of the corresponding limiting plates 2, at the moment, the two lower chord steel bars B expand outwards, the distance between the two lower chord steel bars B is increased, then the two lower chord steel bars B enter the space between the two limiting rollers 3 and respectively pass through the limiting grooves 3a of the corresponding limiting rollers 3, at the moment, under the matching of the jacking force of the two limiting plates 2, the two lower chord steel bars B are drawn close inwards, the distance between the two lower chord steel bars B is reduced, the distance is smaller than the distance between the two lower chord steel bars B before the two lower chord steel bars B enter the device, as the distance between the two web member steel bars A of the steel bar truss is still unchanged, therefore, after the two lower chord steel bars B come out from the space between the two limiting rollers 3, the two lower chord steel bars B can respectively cling to the corresponding web member steel bars A, and under the condition, the lower part of the web member steel bar A and the lower chord steel bar B can be firmly welded together, so that the problems of insufficient welding and infirm welding are avoided.

Further, as shown in fig. 1, the limiting roller 3 is fixed on the mounting seat 4, the mounting seat 4 includes a mounting block fixed on the outer side of the web member guide rail 1 and a mounting plate fixed on the mounting block, a bearing is installed inside the limiting roller 3, a bolt 5 is fixed in the bearing, and the bolt 5 is vertically connected with the mounting plate. Under the action of the bearing, when the lower chord steel bar B passes through the limiting groove 3a of the limiting roller 3, the limiting roller 3 can well rotate, so that the friction force between the limiting roller 3 and the lower chord steel bar B is reduced, and lubricating oil can be coated in the limiting groove 3a for further improving the smoothness of relative motion between the limiting roller 3 and the lower chord steel bar B.

Specifically, as shown in fig. 1, the web member guide rail 1 includes two steel plates disposed oppositely and a steel bar disposed between the two steel plates, and the two steel plates and the steel bar jointly form a guide groove 1a for the lower portion of the web member reinforcing bar a to pass through.

More specifically, in the present embodiment, the stopper plate 2 is fixedly connected to the steel plate of the web rail 1 by the screw 6.

In order to prevent the upper chord steel bar C and the web member steel bar A from upwardly deviating in the process of using the device, as shown in figure 1, a baffle 7 can be arranged right above the two web member guide rails 1 in parallel.

The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

In order to make it easier for those skilled in the art to understand the improvement of the present invention over the prior art, some drawings and descriptions of the present invention have been simplified, and in order to clarify, some other elements have been omitted from this document, those skilled in the art should recognize that these omitted elements may also constitute the content of the present invention.

Claims (5)

1. The utility model provides a spacing adjusting device of lower chord reinforcing bar and web member reinforcing bar which characterized in that: the steel bar truss width adjusting device comprises two web member guide rails (1), two limiting plates (2) and two limiting rollers (3), wherein the two web member guide rails (1) are arranged alternately and in parallel, guide grooves (1 a) for the lower parts of web member steel bars (A) to pass through are formed in the two web member guide rails (1), the two limiting plates (2) are symmetrically fixed on the outer sides of the two web member guide rails (1), one side, opposite to each other, of each of the two limiting plates (2) is respectively provided with a notch (2 a), the two limiting rollers (3) are symmetrically fixed on two sides of an outlet of the two web member guide rails (1), the limiting rollers (3) are horizontally arranged, a limiting groove (3 a) is formed along the circumferential direction of the side wall of each limiting roller (3), when a steel bar truss enters the width adjusting device, two lower chord steel bars (B) firstly respectively pass through the notches (2 a) of the corresponding limiting plates (, then enters between the two limiting idler wheels (3) and respectively passes through the limiting grooves (3 a) of the corresponding limiting idler wheels (3), so that the two lower chord steel bars (B) are mutually and inwards closed to be respectively and tightly attached to the corresponding web member steel bars (A).

2. The apparatus for adjusting the distance between a lower-chord reinforcing bar and a web member reinforcing bar according to claim 1, wherein: spacing gyro wheel (3) are fixed on mount pad (4), mount pad (4) are including being fixed in the installation piece in the web member guide rail (1) outside and fixing the mounting panel on the installation piece, the internally mounted of spacing gyro wheel (3) has the bearing, be fixed with a bolt (5) in the bearing, bolt (5) and the vertical connection of mounting panel.

3. The apparatus for adjusting the distance between a lower chord reinforcing bar and a web member reinforcing bar according to claim 2, wherein: the web member guide rail (1) comprises two steel plates which are arranged oppositely and a steel bar arranged between the two steel plates, and the two steel plates and the steel bar jointly form a guide groove (1 a) for the lower part of the web member steel bar (A) to pass through.

4. The apparatus for adjusting the distance between a lower chord reinforcing bar and a web member reinforcing bar according to claim 3, wherein: the limiting plate (2) is fixedly connected with the steel plate of the web member guide rail (1) through a screw (6).

5. The apparatus for adjusting the distance between a lower chord reinforcement and a web member reinforcement of claim 4, wherein: baffle plates (7) for preventing upper chord steel bars (C) and web member steel bars (A) from upwardly deviating are arranged right above the two web member guide rails (1) in parallel.

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