CN212231013U

CN212231013U - Elbow of groove type grid bridge frame

Info

Publication number: CN212231013U
Application number: CN202021245543.7U
Authority: CN
Inventors: 俞波; 闻丽君; 吴伟国; 李瑞志
Original assignee: Ningbo Vichnet Technology Co ltd
Current assignee: Ningbo Vichnet Technology Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2020-12-25
Anticipated expiration: 2030-06-30

Abstract

The utility model discloses an elbow of a groove type grid bridge, which is a whole body with a bottom frame connected with a side wall formed by cross welding of a plurality of horizontal steel bars and a plurality of vertical steel bars, wherein the vertical steel bars are welded at the inner side of the horizontal steel bars of the side wall, and the turning parts of the horizontal steel bars of the side wall are in arc transition; the horizontal steel bars and the vertical steel bars are round steel or steel wires with the diameter equal to or less than 14 mm; the vertical steel bar is formed by bending one end or two ends of part of horizontal steel bars; all the intersections of the two steel bars are welding points; the elbow comprises a two-way elbow, a three-way elbow and a four-way elbow. The elbow is a whole welded in advance, other parts are omitted, transportation and storage are easy, only the whole elbow is required to be installed with other parts of the bridge, the installation process is simple, convenient and fast, the installation speed is high, the installation efficiency is high, the integral elbow cannot be loosened, and a cable is smoothly dragged and moved at the turning position of the groove type grid bridge.

Description

Elbow of groove type grid bridge frame

Technical Field

The utility model relates to a net crane span structure technical field specifically says an elbow of slot type net crane span structure.

Background

The grid bridge is widely applied to cable wiring in the fields of communication and the like, in the construction process, turning is needed under many conditions, namely elbow connection is needed, the elbow of the groove type grid bridge can also be called as a turning groove type grid bridge, and more elbow is used for turning a straight strand of cable on the elbow and then straightening the bent strand of cable, namely a two-way elbow; the two bent elbows are used for branching a strand of cable, then straightening one strand of cable after turning left and straightening the other strand of cable after turning right, namely the straight strand of cable is divided into a left strand of cable and a right strand of cable, namely the three-way elbow; the four bent elbows are used for branching a cable, straightening one cable after turning left, straightening one cable after turning right and straightening the other cable without turning, namely, the straight cable is divided into a left straight cable and a right straight cable, namely, the four-way elbow.

However, the prior art channel grid bridge has bends including two-way bends, three-way bends and four-way bends, which are either separate from the side wall and the bottom frame or separate from multiple components and fastened by using latches or connectors or fasteners and/or bolts and nuts. The elbow of the groove type grid bridge frame in the prior art has the following defects: 1. the parts are more, difficult to keep, and the installation is troublesome, and the installation rate is not fast. 2. Due to the fact that the lock catch or the connecting piece or the fastening piece and/or the bolt and the nut are used for connection, when the elbow is used in practice, due to certain vibration or other reasons on site, loosening phenomenon exists, and therefore firmness of the elbow is not ideal. 3. The phenomena of scratching and unsmooth movement and the like of the cables caused by burrs, obtuse angles, right angles or acute angles among splicing parts, lock catches or connecting pieces or fasteners, bolts and nuts and the like are easy to occur, and the phenomena of scratching and unsmooth movement and the like caused by the obtuse angles, the right angles or the acute angles formed at the turning parts of the elbows of some groove type grid bridges are also easy to occur.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an elbow of slot type net crane span structure that the installation is simple, swift and sound construction.

The technical solution of the utility model is that, a elbow of slot type net crane span structure is provided, by many horizontal reinforcement and many perpendicular reinforcing bar cross welding become the whole that chassis and lateral wall are connected, perpendicular reinforcing bar welding is in the inboard of the horizontal reinforcement of lateral wall, and the turn of the horizontal reinforcement of lateral wall is the arc transition.

After the structure above the adoption, the utility model discloses the elbow of slot type net crane span structure has following advantage: the elbow is a whole welded in advance, other parts are omitted, transportation and storage are easy, only the whole is required to be installed with other parts of the bridge frame, and the installation process is simple, convenient and rapid, the installation speed is high, and the installation efficiency is high. Because the whole elbow is a whole, even if some vibration source exists on site, the whole elbow can not be loosened in actual use, and the firmness and the strength of the elbow are very ideal. Because the vertical reinforcing steel bars are welded on the inner side of the turning part of the elbow, and the turning parts of the horizontal reinforcing steel bars on the side walls are arc-shaped transition, the cable cannot be scratched or retarded when being dragged and moved at the turning part of the groove type grid bridge, so that the cable is smoothly dragged and moved at the turning part of the groove type grid bridge.

Furthermore, the horizontal steel bars and the vertical steel bars are round steel or steel wires with the diameter equal to or less than 14 mm. After the structure is adopted, the cable is dragged and moved on the groove type grid bridge frame, particularly the turning part, more smoothly and smoothly due to the smooth outer circumference of the steel bar.

Furthermore, the vertical steel bars are formed by bending one end or two ends of partial horizontal steel bars. After the structure is adopted, the elbow has better integrity, higher strength and relatively small welding workload, and further ensures that the cable is dragged and moved smoothly and smoothly on the groove type grid bridge frame, particularly at the turning position.

Furthermore, all the intersections of the two steel bars are welding points. After adopting above structure, the wholeness of elbow is better, and intensity is higher.

Further, the elbow be two-way elbow, ascending perpendicular reinforcing bar is all buckled into at the both ends of many sharp horizontal steel bars in many horizontal steel bars, and many vertical reinforcing bars in many horizontal steel bars all include the straight-line section at middle arc turn section and both ends, and many vertical reinforcing bars that constitute the inside wall of two-way elbow are the shortest, and many vertical reinforcing bars that constitute the lateral wall of two-way elbow are the longest, and many vertical reinforcing bars that constitute the chassis are arranged according to the preface from interior weak point to outer length, constitute sectorial two-way elbow above the structure. After the structure more than adopting, the wholeness of two-way elbow is better, and mechanical properties is better, and intensity is better, and the fastness and the intensity of two-way elbow are all very ideal, and make the cable pull on two-way elbow and remove more smoothly.

Furthermore, a plurality of vertical steel bars on the outer side wall of the two-way elbow are parallel to each other and arranged along the length direction of the longitudinal steel bars on the outer side wall, and a plurality of vertical steel bars on the inner side wall of the two-way elbow are parallel to each other and arranged along the length direction of the longitudinal steel bars on the inner side wall. After the structure is adopted, the strength and good mechanical property of the two-way elbow are further ensured, and the cable guidance performance is better.

Further, the distance between the plurality of vertical steel bars on the outer side wall of the two-way elbow is equal. After the structure is adopted, the strength and good mechanical property of the two-way elbow are further ensured, and the cable guidance performance is better.

Furthermore, the elbow is a three-way elbow, the outer ends or the outer and inner ends of a plurality of linear transverse reinforcements in the plurality of horizontal reinforcements are bent into upward vertical reinforcements, and the vertical reinforcements at the outer ends and a plurality of linear longitudinal reinforcements in the plurality of horizontal reinforcements form the outer side wall of the three-way elbow; a plurality of straight transverse reinforcements in the plurality of horizontal reinforcements and a plurality of straight longitudinal reinforcements in the plurality of horizontal reinforcements are crossed at right angles to form a chassis of a straight section of the three-way elbow; two turning side walls are symmetrically arranged at two ends of the inner side of the underframe of the straight section of the three-way elbow, each turning side wall is composed of a plurality of turning steel bars with 90-degree circular arc sections and straight sections at two ends and a plurality of vertical steel bars, the plurality of vertical steel bars of the two turning side walls comprise the vertical steel bars at the inner ends of the straight horizontal steel bars and the vertical steel bars formed by bending two ends of the straight longitudinal steel bars in the plurality of horizontal steel bars; the inner sections of the straight longitudinal reinforcements and the straight transverse reinforcements, which are not provided with the vertical reinforcements, form a bottom frame at the turning inlet of the three-way elbow; the structure is mainly a straight section, and the inner side of the straight section is provided with two turning positions and a three-way elbow at a turning inlet. After the structure more than adopting, three-way bend's wholeness is better, and mechanical properties is better, and intensity is better, and three-way bend's fastness and intensity are all very ideal, and make cable pull and remove more smoothly on three-way bend.

Further, the elbow be the cross bend, many horizontal steel bars in many horizontal steel bars and many vertical reinforcing bar rectangular cross in many horizontal steel bars constitute the chassis main part of the main entrance of cross bend, four angle symmetries in the chassis main part outside of the main entrance of cross bend are equipped with four turn lateral walls, every turn lateral wall comprises the turn reinforcing bar and many perpendicular reinforcing bars that have the straightway at 90 circular arc sections and both ends among many horizontal steel bars, many perpendicular reinforcing bars of four turn lateral walls include that many horizontal steel bar both ends are buckled into ascending perpendicular reinforcing bar, it is vertical passageway and horizontal passageway to be in the middle of the above structure constitution, four corners have the cross bend of four turn lateral walls. After the structure more than adopting, the wholeness of four-way bend is better, and mechanical properties is better, and intensity is better, and the fastness and the intensity of four-way bend are all very ideal, and make the cable pull on four-way bend more smoothly with the removal.

Drawings

Fig. 1 is a schematic view of the overall structure of a two-way elbow in the elbow of the present invention.

Fig. 2 is a schematic view of the overall structure of a two-way elbow in the elbow of the present invention.

Fig. 3 is a schematic view of the overall structure of a two-way elbow in the elbow of the present invention.

Fig. 4 is a fourth schematic view (bottom view) of the overall structure of the two-way elbow of the present invention.

Fig. 5 is a schematic view of the overall structure of a three-way elbow in the elbow of the present invention.

Fig. 6 is a schematic view of the overall structure of a three-way elbow in the elbow of the present invention.

Fig. 7 is a schematic view of the overall structure of a three-way elbow in the elbow of the present invention.

Fig. 8 is a fourth schematic view (bottom view) of the overall structure of the three-way elbow of the present invention.

Fig. 9 is a schematic view of the overall structure of a four-way elbow in the elbow of the present invention.

Fig. 10 is a schematic view of the overall structure of a four-way elbow in the elbow of the present invention.

Fig. 11 is a third schematic view (bottom view) of the overall structure of the four-way elbow of the present invention.

Shown in the figure:

1. the steel plate comprises a two-way elbow, 11 parts of longitudinal steel bars, 12 parts of arc-shaped turning sections, 13 parts of horizontal steel bars, 14 parts of straight sections, 15 parts of vertical steel bars, 16 parts of straight transverse steel bars, 17 parts of inner side walls, 18 parts of outer side walls, 19 parts of bottom frames;

2. the steel structure comprises a tee bend, 21 straight longitudinal steel bars, 22 outer side walls, 23 straight underframe sections, 24 straight sections, 25 and 90-degree circular arc sections, 26 straight transverse steel bars, 27 horizontal steel bars, 28 vertical steel bars, 29 turning side walls, 30 turning underframe sections, 31 turning steel bars and a turning steel bar, wherein the straight longitudinal steel bars are arranged on the straight sections;

4. the four-way elbow comprises a four-way elbow 41, a transverse channel 42, a longitudinal channel 43, a vertical steel bar 44, a longitudinal steel bar 45, a transverse steel bar 46, a straight line segment 47, a 90-degree circular arc segment 48, a turning steel bar 49, a turning part 50, a horizontal steel bar 51 and a main body part of the underframe.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

The utility model discloses the elbow of slot type net crane span structure is by many horizontal reinforcement and many perpendicular reinforcing bar cross welding one-tenth chassis and a whole that the lateral wall is connected. The vertical reinforcing steel bars are welded on the inner sides of the horizontal reinforcing steel bars of the side walls. The turning positions of the horizontal steel bars on the side walls are all in arc transition. The elbow of the groove type grid bridge frame of the utility model can also be called as a turning groove type grid bridge frame.

The horizontal steel bars and the vertical steel bars are round steel or steel wires with the diameter equal to or less than 14 mm. Generally, round steel with a diameter of less than 6mm, i.e. less than 6mm, also called round steel wire, the outer circumference is smooth; a round steel of 6mm, i.e., 6mm, to 14mm, i.e., 14mm, is called a round steel, and the outer circumference of the round steel is also smooth.

The vertical reinforcing steel bars are formed by bending one end or two ends of partial horizontal reinforcing steel bars. Including the one end of the horizontal reinforcing bar in the horizontal reinforcing bar upwards buckle into perpendicular reinforcing bar like inner, also including the inner of the horizontal reinforcing bar in the horizontal reinforcing bar and outer end both ends all upwards buckle into perpendicular reinforcing bar, still include the both ends of the vertical reinforcing bar in the horizontal reinforcing bar and all upwards buckle into perpendicular reinforcing bar.

All the intersections of the two steel bars are welding points, for example, the intersections of the vertical steel bar and the horizontal steel bar are welding points; and if the intersection of the transverse steel bars in the horizontal steel bars and the longitudinal steel bars in the horizontal steel bars is a welding point, namely all the intersection positions of the steel bars are welded and connected.

As shown in fig. 1, 2, 3, and 4:

the elbow can be two-way elbow 1, ascending perpendicular reinforcing bar 15 is all buckled into at the both ends of many straight line horizontal reinforcing bar 16 in many horizontal reinforcement 13, many vertical reinforcing bar 11 in many horizontal reinforcement 13 all include the straight-line section 14 at middle arc turn section 12 and both ends, it is the shortest that many vertical reinforcing bar 11 of inside wall 17 that constitutes two-way elbow are minimum, many vertical reinforcing bar 11 that constitute the lateral wall 18 of two-way elbow are the longest, many vertical reinforcing bar 11 that constitute chassis 19 are arranged according to the preface from interior weak point to outer length, above structure constitutes sectorial two-way elbow 2. The two-way elbow 2 is also called a two-way.

A plurality of, for example, dozens or dozens of horizontal reinforcing bars 13. A plurality of, for example, tens or tens of linear transverse reinforcing bars 16. A plurality of, for example, tens or tens of longitudinal reinforcing bars 11. For example, three of the longitudinal bars 11 forming the inner side wall 17 of the two-way bend. A plurality, e.g., three, of the plurality of longitudinal bars 11 forming the outer side wall 18 of the two-way bend. For example, twelve of the plurality of longitudinal reinforcing bars 11 constituting the base frame 19.

The vertical bars 15 of the outer side wall 18 of the two-way bend 1 are parallel to each other and arranged along the length of the longitudinal bars 11 of the outer side wall 18. The vertical reinforcing bars 15 of the outer side wall 18 of the two-way bend 1 are at equal distances from each other. The plurality of vertical reinforcing bars 15 of the inner side wall 17 of the two-way bend 1 are parallel to each other and arranged along the length direction of the longitudinal reinforcing bar 11 of the inner side wall 17.

The number of the vertical reinforcing steel bars 15 on the outer side wall of the two-way elbow is fourteen. The number of the vertical reinforcing steel bars 15 on the inner side wall of the two-way elbow is fourteen.

As shown in fig. 5, 6, 7, and 8:

the elbow can be three-way elbow 2, the outer end of many sharp horizontal reinforcing bars 26 among many horizontal reinforcing bars 27 or outside, inside both ends are buckled into ascending perpendicular reinforcing bar 28, the perpendicular reinforcing bar 28 of many outer ends and many sharp vertical reinforcement 21 among many horizontal reinforcing bars constitute the lateral wall 22 of three-way elbow. And a plurality of straight transverse reinforcements 26 in the plurality of horizontal reinforcements 27 and a plurality of straight longitudinal reinforcements 21 in the plurality of horizontal reinforcements 27 are crossed at right angles with each other to form the underframe 23 of the straight section of the three-way elbow 2. Two turning side walls 29 are symmetrically arranged at two ends of the inner side of the underframe 23 of the straight section of the three-way elbow 2, each turning side wall 29 is composed of a plurality of turning steel bars 31 and a plurality of vertical steel bars 28, wherein the turning steel bars 31 are provided with 90-degree circular arc sections 25 and straight sections 24 at two ends, the plurality of vertical steel bars 28 of the two turning side walls 29 comprise the vertical steel bars 28 at the inner ends of the straight transverse steel bars 26, and the vertical steel bars 28 are formed by bending two ends of the straight longitudinal steel bars 21 in the plurality of horizontal steel bars 27. The inner sections of the straight longitudinal reinforcements 21 and the straight transverse reinforcements without vertical reinforcements form an underframe 30 at the turning inlet of the three-way elbow 2; the structure is mainly a straight section, and the inner side of the straight section is provided with two turning positions and a three-way elbow 2 at a turning inlet. The three-way elbow 2 is also called a tee.

A plurality of, for example, several tens of horizontal reinforcing bars 27. A plurality of, for example, tens or tens of linear transverse reinforcing bars 26. For example sixteen of the plurality of outer end vertical rebars 28. A plurality of, for example, tens or tens of linear longitudinal reinforcing bars 21. A plurality, such as three, of the plurality of turn rebars 31 of each turn sidewall 29 and a plurality, such as four, of the plurality of vertical rebars 28 of each turn sidewall 29. For example, two of the plurality of straight longitudinal rebars 21 constituting the underframe 30 at the entrance of the turn, and for example twelve of the plurality of straight transverse rebars 26 constituting the underframe 30 at the entrance of the turn.

As shown in fig. 9, 10, and 11:

the elbow can be a four-way elbow 4, a plurality of transverse steel bars 45 in a plurality of horizontal steel bars 50 and a plurality of longitudinal steel bars 44 in a plurality of horizontal steel bars 50 are crossed at right angles to form an underframe main body part 51 of a main channel of the four-way elbow 4, four turning side walls 49 are symmetrically arranged at four corners of the outer side of the underframe main body part 51 of the main channel of the four-way elbow 4, each turning side wall 49 is composed of a turning steel bar 48 and a plurality of vertical steel bars 43, wherein the turning steel bar 48 is provided with a 90-degree circular arc section 47 and straight line sections 46 at two ends, the plurality of vertical steel bars 43 of the four turning side walls 48 comprise a plurality of transverse steel bars 45, the two ends of which are bent into upward vertical steel bars 43, and the two, the above structure forms a four-way elbow 4 with a longitudinal channel 42 and a transverse channel 41 in the middle and four turning side walls 49 at four corners. The transverse rebars 45 may also be referred to as straight transverse rebars, and the longitudinal rebars 44 may also be referred to as straight longitudinal rebars. The four-way elbow 4 is also called a four-way.

A plurality of, for example, several tens of horizontal reinforcing bars 50. For example sixteen of the plurality of transverse reinforcing bars 45. For example sixteen of the longitudinal rebars 44. A plurality of turn rebars 48, e.g., three, in each turn sidewall 49 and a plurality of vertical rebars 43, e.g., four, in each turn sidewall 49. For example sixteen of the vertical rebars 43 of the four turning sidewalls 48. The sixteen vertical reinforcing bars include eight of the four transverse reinforcing bars 45 whose both ends are bent to the upward vertical reinforcing bars 43, and eight of the four longitudinal reinforcing bars 44 whose both ends are bent to the upward vertical reinforcing bars 43.

The above may mean. Some words in the utility model are for convenience of expression and can not be regarded as the limitation of the claims, for example, the horizontal steel bar can be expressed as the horizontal steel bar; vertical rebars can be described as vertical rebars; the longitudinal steel bars and the transverse steel bars can also be referred to interchangeably; if the inlet of turning department is used as the exit of turning also is in the protection scope of the utility model.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an elbow of slot type net crane span structure which characterized in that: a plurality of horizontal steel bars and a plurality of vertical steel bars are welded into a whole body with the underframe connected with the side wall in a cross mode, the vertical steel bars are welded on the inner side of the horizontal steel bars of the side wall, and the turning positions of the horizontal steel bars of the side wall are in arc transition.

2. The elbow of a trough grid tray of claim 1, wherein: the horizontal steel bars and the vertical steel bars are round steel or steel wires with the diameter equal to or less than 14 mm.

3. The elbow of a trough grid tray of claim 1, wherein: the vertical reinforcing steel bars are formed by bending one end or two ends of partial horizontal reinforcing steel bars.

4. The elbow of a trough grid tray of claim 1, wherein: the intersection of all the two steel bars is a welding point.

5. The elbow for a trough grid tray of any one of claims 1 to 4, wherein: the elbow be two-way elbow, ascending perpendicular reinforcing bar is all buckled into at the both ends of many sharp horizontal reinforcement in many horizontal steel bars, many vertical reinforcement in many horizontal steel bars all include the straight-line segment at middle arc turn section and both ends, many vertical reinforcement that constitute the inside wall of two-way elbow are shortest, many vertical reinforcement that constitute the lateral wall of two-way elbow are longest, many vertical reinforcement that constitute the chassis are arranged according to the preface from interior weak point to outer length, above the structure constitutes sectorial two-way elbow.

6. The elbow of a trough grid bridge of claim 5, wherein: the plurality of vertical steel bars on the outer side wall of the two-way elbow are parallel to each other and are arranged along the length direction of the longitudinal steel bars on the outer side wall, and the plurality of vertical steel bars on the inner side wall of the two-way elbow are parallel to each other and are arranged along the length direction of the longitudinal steel bars on the inner side wall.

7. The elbow of a trough grid tray of claim 6, wherein: the distances between the vertical steel bars on the outer side wall of the two-way elbow are equal.

8. The elbow for a trough grid tray of any one of claims 1 to 4, wherein: the elbow is a three-way elbow, the outer ends or the outer and inner ends of a plurality of linear transverse reinforcements in a plurality of horizontal reinforcements are bent into upward vertical reinforcements, and the vertical reinforcements at the outer ends and a plurality of linear longitudinal reinforcements in a plurality of horizontal reinforcements form the outer side wall of the three-way elbow; a plurality of straight transverse reinforcements in the plurality of horizontal reinforcements and a plurality of straight longitudinal reinforcements in the plurality of horizontal reinforcements are crossed at right angles to form a chassis of a straight section of the three-way elbow; two turning side walls are symmetrically arranged at two ends of the inner side of the underframe of the straight section of the three-way elbow, each turning side wall is composed of a plurality of turning steel bars with 90-degree circular arc sections and straight sections at two ends and a plurality of vertical steel bars, the plurality of vertical steel bars of the two turning side walls comprise the vertical steel bars at the inner ends of the straight transverse steel bars and the vertical steel bars formed by bending two ends of the straight longitudinal steel bars in the plurality of horizontal steel bars; the inner sections of the straight longitudinal reinforcements and the straight transverse reinforcements, which are not provided with the vertical reinforcements, form a bottom frame at the turning inlet of the three-way elbow; the structure is mainly a straight section, and the inner side of the straight section is provided with two turning positions and a three-way elbow at a turning inlet.

9. The elbow for a trough grid tray of any one of claims 1 to 4, wherein: the elbow be the cross bend, many transverse reinforcement in many horizontal reinforcement and many longitudinal reinforcement rectangular cross in the horizontal reinforcement constitute the chassis main part of cross bend's main entrance, four angle symmetries in the chassis main part outside of cross bend's main entrance are equipped with four turn lateral walls, every turn lateral wall comprises the turn reinforcing bar and many perpendicular reinforcing bars of the straightway that has 90 circular arc sections and both ends in many horizontal reinforcement, many perpendicular reinforcing bars of four turn lateral walls include that many transverse reinforcement both ends are buckled into ascending perpendicular reinforcing bar, still include that many longitudinal reinforcement both ends are buckled into ascending perpendicular reinforcing bar, be vertical passageway and transverse passage in the middle of the above structure constitution, four corners has the cross bend of four turn lateral walls.