CN212613002U - Mounting structure of steel construction vestibule - Google Patents

Abstract

The utility model belongs to the technical field of steel construction engineering, concretely relates to mounting structure of steel construction vestibule, include the support and install space truss on the support, add the free bearing between space truss's tip and the support and rotate through the free bearing and be connected, just space truss's angle of elevation is adjustable. The utility model discloses add adjustable angle's free bearing between the space truss of steel construction vestibule and the support, adapt to different angles of elevation. The steel structure vestibule internode size of same span or length is the same, has improved the standardization level, but mass production steel structure vestibule improves engineering quality, reduces engineering cost.

Description

Mounting structure of steel construction vestibule

Technical Field

The utility model belongs to the technical field of steel construction engineering, concretely relates to mounting structure of steel construction vestibule.

Background

Mines, iron and steel plants, and cement plants generally use belt conveyor to transport various materials such as iron ore, coke, coal dust, etc. to production units or transfer stations. The belt conveyor conveying system is generally placed in a closed steel structure gallery, so that overflow and dust raising of conveyed materials can be reduced, and increasingly strict environmental protection requirements are met.

The streamline of the belt conveyor conveying system is complex and changeable, so that the span and the elevation angle of the steel structure corridor are changed more, the standardized design, the manufacture and the installation are difficult, and the commercialization degree is low.

The steel structure vestibule is formed into stable spatial structure by vertical truss and horizontal component to place on the support crossbeam. The vertical truss bears the material load, the overhaul load, the roof snow load and the like of the belt conveyor conveying system. In general, vertical truss end stand is perpendicular to the horizontal plane, and slight elevation angle change can lead to the steel construction vestibule oblique length to change. The truss formed by the horizontal components mainly bears wind load.

The support interval is usually 20 meters to 50 meters, and when the elevation angle of the steel structure vestibule is changed, the oblique length of the steel structure vestibule is changed, and then the internode size of the vertical truss and the horizontal component is changed. Therefore, the same support spacing, if the steel structure vestibule elevation angle is different, then the size is different between the internode of vestibule, leads to steel structure vestibule component kind to be various, standardization level low.

The existing design method is to determine the space between the brackets and design the steel structure corridor according to the elevation angle. The elevation angles are slightly different, the sizes of the steel structure vestibules are different, standardization is difficult, and the purpose of mass production of products cannot be realized.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing, the present invention is directed to a mounting structure for a steel structure vestibule, which is adapted to steel structure vestibules with different elevation angles.

In order to achieve the above objects and other related objects, the technical solution of the present invention is as follows:

the utility model provides a mounting structure of steel construction vestibule, includes the support and installs space truss on the support, it is connected through the free bearing rotation to add the free bearing between the tip of space truss and the support, just the angle of elevation of space truss is adjustable.

The utility model discloses add adjustable angle's free bearing between the space truss of steel construction vestibule and the support, adapt to different angles of elevation. The steel structure vestibule internode size of same span or length is the same, has improved the standardization level, but mass production steel structure vestibule improves engineering quality, reduces engineering cost.

Optionally, two ends of each space truss are respectively mounted on two supports arranged at intervals through corresponding hinged supports, and in two adjacent space trusses, the tail end of the previous space truss and the head end of the next space truss are respectively rotatably mounted on the same support through the hinged supports.

Optionally, the two space trusses mounted on the same support have the same or different heights of their centers of rotation on the support.

Optionally, the space truss is installed on the same support, wherein the hinge base of one space truss is fixed in the transverse position on the support, and the hinge base of the other space truss is adjustable in the transverse position on the support.

Optionally, two ends of each space truss are respectively mounted on two supports arranged at intervals through corresponding hinged supports, the hinged support at one end of the space truss is fixed on the first support along the span direction of the space truss, and the hinged support at the other end of the space truss is adjustable on the second support along the span direction of the space truss.

Optionally, the hinged support comprises an upper support and a lower support which are connected through a rotating shaft, the upper support is connected with the space truss, and the lower support is mounted on the support; and the upper support or the lower support is provided with a limiting structure for limiting the axial movement of the rotating shaft.

Optionally, the space truss comprises a lower chord member and a column member perpendicular to the lower chord member and located at the end of the space truss, the upper support is fixed on the lower chord member, and the lower support is mounted on a cross beam or a platform at the upper end of the support.

Optionally, the upper support comprises an upper base plate and an upper vertical plate connected below the upper base plate, and the upper base plate is fixed on the lower chord member; the lower support comprises a lower bottom plate and a lower vertical plate which are connected, the lower bottom plate is welded with a support or connected with a bolt, and the upper vertical plate is rotatably connected with the lower vertical plate through the rotating shaft.

Optionally, a strip-shaped adjusting hole or a reaming hole is formed in the lower base plate, the lower base plate is connected with the bracket through a bolt, and the transverse position of the lower base plate on the bracket is adjustable.

Optionally, a reinforcing plate is disposed between the upper bottom plate and the upper vertical plate and/or between the lower bottom plate and the lower vertical plate.

Optionally, a reinforcing plate is arranged between the lower bottom plate and the lower vertical plate, end plates are connected to two ends of the rotating shaft, stepped shafts are arranged at two ends of the rotating shaft, a central hole is formed in each end plate, the end portion of the rotating shaft penetrates through the central hole, a shaft shoulder of the rotating shaft abuts against the inner side of each end plate, and the reinforcing plate between the lower bottom plate and the lower vertical plate is pressed on the outer side of each end plate and is welded and fixed with the end plates.

Optionally, two groups of lower supports of each hinged support are provided, the upper vertical plate of the upper support is located between the two lower vertical plates of the two groups of lower supports, and the rotating shaft penetrates through the upper vertical plate and the two lower vertical plates; or each hinged support comprises a lower bottom plate and two spaced lower vertical plates, and the upper vertical plate of the upper support is positioned between the two lower vertical plates.

As mentioned above, the utility model has the advantages that: the utility model discloses add adjustable angle's free bearing between the space truss of steel construction vestibule and the support, adapt to different angles of elevation. The steel structure vestibule internode size of same span or length is the same, has improved the standardization level, but mass production steel structure vestibule improves engineering quality, reduces engineering cost.

Drawings

FIG. 1 is a prior art installation of a steel structural vestibule;

fig. 2 is a schematic view of the installation of a steel structure gallery in the embodiment of the present invention (schematic view of the installation of the adjacent ends of two space trusses on the same support);

FIG. 3 is an enlarged view of a portion of FIG. 2;

fig. 4 is a schematic view of the space truss and the bracket connected by the hinged support in the embodiment of the present invention;

fig. 5 is a schematic view of the embodiment of the present invention in which two ends of a space truss (steel structure corridor) are mounted on two brackets;

fig. 6 is a schematic view of a hinge base according to an embodiment of the present invention;

FIG. 7 is a front view (partially cut away) of a free bearing in an embodiment of the present invention;

fig. 8 is a schematic view of the embodiment of the present invention in which the lower support is mounted on the bracket.

Part number description:

1-a scaffold; 1 a-a first scaffold; 1 b-a second scaffold; 2-space truss; 2 a-vertical trusses; 2 b-a horizontal member; 21-a column member; 22-a lower chord member; 3-free bearing; 31-upper support; 311-upper base plate; 312-an upper vertical plate; 32-lower support; 321-a lower bottom plate; 322-a lower vertical plate; 323-adjusting holes; 324-connection hole; 33-a reinforcement plate; 34-a rotating shaft; 35-an end plate; 36-a bolt; 37-backing plate.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Examples

Fig. 1 shows the installation mode of a traditional steel structure corridor and a support 1, the steel structure corridor is formed into a stable space structure by a vertical truss 2a and a horizontal member 2b, an end upright post member 21 of the vertical truss 2a of the steel structure corridor is perpendicular to a horizontal plane, and the oblique length of the steel structure corridor can be changed due to small elevation angle change. When the elevation angle α of the steel structure vestibule is changed, the slant length of the steel structure vestibule is changed, and thus the internode size of the vertical girders 2a and the horizontal members 2b (shown in fig. 3) is changed. Therefore, if the elevation angles α of the steel structure vestibule are different, the sizes of the joints of the vestibule are different, and the steel structure vestibule components are diversified and have low standardization degree due to the same spacing of the supports 1.

As shown in fig. 2 to 5, in order to adapt to different elevation angles α, the standardization degree and the universality are improved; the mounting structure of the steel structure vestibule comprises a support 1 and a space truss 2 mounted on the support 1, wherein the space truss 2 is a main body part of the steel structure vestibule, the space truss 2 is rotatably mounted on the support 1 through a hinged support 3, specifically, the end part of the space truss 2 is rotatably connected with the support 1 through the hinged support 3, and the elevation angle alpha of the space truss 2 is adjustable.

An angle-adjustable hinged support 3 is additionally arranged between a space truss 2 and a support 1 of the steel structure vestibule and is suitable for different elevation angles alpha. The steel structure vestibule internode size of same span or length is the same, has improved the standardization level, but mass production steel structure vestibule improves engineering quality, reduces engineering cost.

Of course, the steel structure vestibule also includes other attachments besides the space truss 2, such as purlins, wall panels, roof panels, tape machine supports, and the like.

Each end of the space truss 2 is supported on the support 1 through at least two hinged supports 3, and the hinged supports 3 are arranged side by side along the width direction of the space truss 2; each hinged support 3 comprises an upper support 31 and a lower support 32 which are connected through a rotating shaft 34, the upper support 31 is connected with the space truss 2, and the lower support 32 is arranged on the support 1; specifically, the space truss 2 comprises a vertical truss 2a and a horizontal member 2b, wherein the vertical truss 2a comprises a lower chord member 22 and a column member 21, the end column member 21 of the vertical truss 2a is perpendicular to the lower chord member 22, an upper support 31 is fixed on the lower chord member 22, and a lower support 32 is installed on a cross beam or a platform at the upper end of the support 1.

The end upright members 21 of the space truss 2 are not perpendicular to the ground, perpendicular to the lower chord member 22 of the space truss 2. When the elevation angle alpha is changed, the end upright post member 21 keeps the state vertical to the lower chord member 22, the purpose of mass production of products can be realized, standard steel structure vestibule products can be directly selected, and the design efficiency is improved.

As shown in fig. 6 and 7, in this example, the upper support 31 includes an upper bottom plate 311 and an upper vertical plate 312 connected below the upper bottom plate 311, the upper bottom plate 311 is welded and fixed on the lower chord member 22, specifically, the lower surface of the lower chord member 22; the lower support 32 comprises a lower base plate 321 and a lower upright plate 322 which are connected, the lower base plate 321 is welded or connected with the support 1 through a bolt 36, and the upper upright plate 312 and the lower upright plate 322 are correspondingly provided with shaft holes for installing the rotating shaft 34 and are rotatably connected through the rotating shaft 34.

As shown in fig. 8, the two adjacent space trusses 2 are schematically mounted with their corresponding hinge bases 3 on the same support; in fig. 8, the hinged support 3 on the left side (the hinged support 3 on the right end of one of the space trusses 2) is connected with the support 1 through a bolt, and then welded, and the transverse position is fixed, specifically, a connecting hole 324 is formed in a bottom plate 321 of the hinged support 3 on the left side, a bolt passes through the connecting hole 324 and then is connected with the support 1, and then the lower bottom plate 321 is welded with the support 1; the position between the hinged support 3 on the right side (the hinged support 3 at the left end of the other space truss 2) and the support 1 in the span direction is adjustable; specifically, an adjusting hole 323 is formed in the lower base plate 321, the lower base plate 321 is connected with the support 1 through a bolt 36, the bolt 36 penetrates through the adjusting hole 323 to be connected with the support 1, so that the transverse position of the lower base plate 321 on the support 1 is adjustable, and a backing plate 37 is further arranged between the bolt 36 and the lower base plate 322. In order to adjust the lateral position of the space truss 2 on the support 1, the adjusting holes 323 may be strip-shaped holes or enlarged holes with a size larger than the bolts 36.

In order to improve the strength of the upper support 31 and the lower support 32, a plurality of reinforcing plates 33 are arranged between the upper bottom plate 311 and the upper vertical plate 312, and/or a plurality of reinforcing plates 33 are arranged between the lower bottom plate 321 and the lower vertical plate 322, and the reinforcing plates 33 are fixed on the upper support 31 and the lower support 32 in a welding manner.

In this example, the limiting structure is an end plate 35, and the end plate 35 is connected to two ends of the rotating shaft 34; specifically, two ends of the rotating shaft 34 are stepped shafts, a central hole is formed in the end plate 35, the end portion of the rotating shaft 34 penetrates through the central hole, shaft shoulders at two ends of the rotating shaft 34 abut against the inner side of the end plate 35, and the reinforcing plate 33 between the lower bottom plate 321 and the lower vertical plate 322 is pressed on the outer side of the end plate 35 and is welded and fixed with the end plate 35 to provide lateral support.

In one embodiment, two sets of lower supports 32 of each hinge base 3 are provided, the upper vertical plate 312 of the upper support 31 is located between two lower vertical plates 322 of the two sets of lower supports 32, the rotating shaft 34 penetrates through the upper vertical plate 312 and the two lower vertical plates 322, and the lower vertical plates 322 are provided with a limiting structure for limiting the axial movement of the rotating shaft 34. Or each lower support 32 comprises a lower bottom plate 321 and two lower vertical plates 322 which are installed on the lower bottom plate 321 and spaced apart, and the upper vertical plate 312 of the upper support 31 is located between the two lower vertical plates 322.

Two ends of each space truss 2 are respectively arranged on two supports 1 arranged at intervals through corresponding hinged supports 3.

The installation mode of two adjacent space trusses 2 on the same support 1 is: the tail end of the former space truss 2 is arranged on the support 1 through at least two side-by-side hinged supports 3, the head end of the latter space truss 2 is rotatably arranged on the support 1 through at least two other hinged supports 3, and the positions of the two are referenced by the positioning line of the support 1.

When the steel structure vestibule has an elevation angle alpha, the rotation center heights of the hinged supports 3 of the two space trusses 2 arranged on the same support 1 on the support 1 are different. Namely, the rotating center of the hinged support 3 at the tail end of the previous space truss 2 is different from the rotating center of the hinged support 3 at the head end of the next space truss 2 in height; as shown in fig. 3, the height of the rotation center of the left side hinge base 3 is higher than that of the right side hinge base 3. During manufacturing, the upper support 31 can be designed to have a common size, and the lower support 32 can be designed to have different height sizes so as to adapt to different elevation angles alpha.

In two space trusses 2 installed on the same support 1, the position of the hinged support 3 of one space truss 2 on the support 1 is fixed, and the transverse position (span direction) of the hinged support 3 of the other space truss 2 on the support 1 is adjustable, that is, the lower support 32 is provided with an adjusting hole 323, the transverse position can be adjusted, as shown in fig. 3 and 8, the left side is fixed, and the right side is adjustable.

As shown in fig. 5, two ends of each space truss 2 are respectively mounted on two supports 1 arranged at intervals through corresponding hinged supports 3, wherein the left side in the figure is a first support 1a, and the right side is a second support 1 b; the hinged support 3 at the left end of the space truss 2 is fixed at the transverse position of the first support 1a, and the hinged support 3 at the right end is adjustable at the second support 1b along the span direction of the space truss 2 so as to adapt to the distance error between the first support 1a and the second support 1b, and the like.

In particular, corresponding to fig. 5, another space truss 2 installed on the first support 1a, whose corresponding hinge base 3 is adjustable in position on the first support 1a, is adjusted in the span direction of the space truss 2; and another space truss 2 installed on the second support 1b in fig. 5, with its corresponding hinge base 3 fixed in position on the second support 1 b; namely, two space trusses 2 installed on the same support 1 are formed, wherein the hinge base 3 of one space truss 2 is fixed in position on the support 1, and the hinge base 3 of the other space truss 2 is adjustable in lateral position on the support 1.

The utility model has the advantages that:

1. the utility model discloses add adjustable angle's free bearing 3 between steel construction vestibule's space truss 2 and support 1, adapt to different angle of elevation alpha. The steel structure vestibule internode size of same span or length is the same, has improved the standardization level, but mass production steel structure vestibule improves engineering quality, reduces engineering cost.

2. The end upright post member 21 of the space truss 2 is not perpendicular to the ground and perpendicular to the lower chord member 22 of the space truss 2, when the elevation angle alpha is changed, the end upright post member 21 keeps a state perpendicular to the lower chord member 22, the purpose of mass production of products can be realized, standard steel structure vestibule products can be directly selected, and the design efficiency is improved.

3. The support 1, the steel structure vestibule and the free bearing 3 are all manufactured in a factory and hoisted on site, so that the connection efficiency is high and the installation speed is high.

The utility model discloses among the prior art: firstly, the space between the brackets is determined, and then the mode of the corridor steel structure is designed according to the elevation angle. The problems that due to different elevation angles, the sizes of the steel structure galleries are different, standardization is difficult, and mass production of products cannot be realized are solved. The utility model discloses can realize steel construction vestibule's standardization, mass production, do not rely on support interval and angle of elevation, improve the operating efficiency.

Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (12)

1. The utility model provides a mounting structure of steel construction vestibule which characterized in that: the space truss structure comprises a support and a space truss arranged on the support, wherein a hinged support is additionally arranged between the end part of the space truss and the support and is rotationally connected with the support through the hinged support, and the elevation angle of the space truss is adjustable.

2. The mounting structure of a steel structure vestibule as defined in claim 1, characterized in that: and two ends of each space truss are respectively arranged on two supports arranged at intervals through corresponding hinged supports, and in two adjacent space trusses, the tail end of the previous space truss and the head end of the next space truss are respectively rotatably arranged on the same support through the hinged supports.

3. The mounting structure of a steel structure vestibule as defined in claim 2, characterized in that: the heights of the rotation centers of the hinged bases of the two space trusses arranged on the same support on the support are the same or different.

4. The mounting structure of a steel structure vestibule as defined in claim 2, characterized in that: and the hinged support of one space truss is fixed on the bracket in the transverse position, and the hinged support of the other space truss is adjustable in the transverse position on the bracket.

5. The mounting structure of a steel structure vestibule as defined in claim 1, characterized in that: the two ends of each space truss are respectively installed on two supports arranged at intervals through corresponding hinged supports, the hinged support at one end of each space truss is fixed on the first support along the span direction of the space truss, and the hinged support at the other end of each space truss is adjustable on the second support along the span direction of the space truss.

6. The mounting structure of a steel structure vestibule as defined in any one of claims 1-5, wherein: the hinged support comprises an upper support and a lower support which are connected through a rotating shaft, the upper support is connected with the space truss, and the lower support is arranged on the support; and the upper support or the lower support is provided with a limiting structure for limiting the axial movement of the rotating shaft.

7. The mounting structure of a steel structure vestibule as defined in claim 6, characterized in that: the space truss comprises a lower chord member and a column member which is perpendicular to the lower chord member and is positioned at the end part of the space truss, the upper support is fixed on the lower chord member, and the lower support is arranged on a cross beam or a platform at the upper end of the support.

8. The mounting structure of a steel structural vestibule as recited in claim 7, wherein: the upper support comprises an upper bottom plate and an upper vertical plate connected below the upper bottom plate, and the upper bottom plate is fixed on the lower chord member; the lower support comprises a lower bottom plate and a lower vertical plate which are connected, the lower bottom plate is welded with a support or connected with a bolt, and the upper vertical plate is rotatably connected with the lower vertical plate through the rotating shaft.

9. The mounting structure of a steel structure vestibule as defined in claim 8, wherein: the lower bottom plate is provided with a strip-shaped adjusting hole or a reaming hole, the lower bottom plate is connected with the bracket through a bolt, and the transverse position of the lower bottom plate on the bracket is adjustable.

10. The mounting structure of a steel structure vestibule as defined in claim 8, wherein: and reinforcing plates are arranged between the upper bottom plate and the upper vertical plate and/or between the lower bottom plate and the lower vertical plate.

11. The mounting structure of a steel structural vestibule as recited in claim 10, wherein: the improved structure of the steel plate comprises a lower bottom plate, a lower vertical plate and a rotating shaft, and is characterized in that a reinforcing plate is arranged between the lower bottom plate and the lower vertical plate, end plates are connected at two ends of the rotating shaft, stepped shafts are arranged at two ends of the rotating shaft, a center hole is formed in each end plate, the end portion of the rotating shaft penetrates through the center hole, a shaft shoulder of the rotating shaft abuts against the inner side of each end plate, and the reinforcing plate between the lower bottom plate and the lower vertical plate is pressed on.

12. The mounting structure of a steel structure vestibule as defined in claim 8, wherein: the two groups of lower supports of each hinged support are arranged, the upper vertical plate of the upper support is positioned between the two lower vertical plates of the two groups of lower supports, and the rotating shaft penetrates through the upper vertical plate and the two lower vertical plates.

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