CN113550439A

CN113550439A - Cross beam for municipal building construction and construction method

Info

Publication number: CN113550439A
Application number: CN202110852174.0A
Authority: CN
Inventors: 梁国攀; 覃丽莲; 苏建宇; 莫伟莲
Original assignee: Guangxi Guigang Construction Group Co ltd
Current assignee: Guangxi Guigang Construction Group Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2021-10-26
Anticipated expiration: 2041-07-27
Also published as: CN113550439B

Abstract

The invention relates to the technical field of municipal buildings, in particular to a beam for municipal building construction and a construction method. The supporting net and the supporting frame are rotated to be unfolded towards two sides through the supporting net arranged, so that the construction difficulty is reduced, a straight plate-shaped structure is formed below the crossbeam body after the locking plate rotates inwards, the supporting strength of the crossbeam body can be increased, the strength of a building is improved, and the safety is improved.

Description

Cross beam for municipal building construction and construction method

Technical Field

The invention relates to the technical field of municipal buildings, in particular to a beam for municipal building construction and a construction method.

Background

Municipal buildings are various, during construction, an iron sheet room for temporary use is often built to provide temporary rest points for workers, steel structure beams are generally adopted for the iron sheet room to serve as supports of a roof, when iron sheets of the roof are laid, auxiliary supports are often required to be erected among the beams and connection points are required to be welded, the workers are required to stand above the beams, however, the standing area of the steel structure beams is extremely small, enough moving space cannot be provided for the workers when the auxiliary supports are laid or the steel sheets are welded, operation and safety of the workers are affected, the steel sheet room for the construction is aimed at providing enough standing points for the workers who lay the auxiliary supports and weld the connection points, and construction safety is improved.

Disclosure of Invention

The invention aims to provide a beam for municipal building construction and a construction method, and aims to solve the problems that when an iron sheet of a roof is laid, auxiliary supports are often required to be erected among a plurality of beams and connection points are required to be welded, workers are required to stand above the beams, but the standing area of the steel structure beams is extremely small, sufficient moving space cannot be provided for the workers when the auxiliary supports are laid or the steel structure beams are welded, and the operation and the safety of the workers are affected.

In order to achieve the above object, one of the objects of the present invention is to provide a beam for municipal building construction, which includes a support structure and a support expanding structure installed on the support structure, wherein the support structure includes a beam body;

the expanding structure at least comprises:

a support frame is arranged below the support net and fixed above the support frame, the support frame is rotatably connected to two sides of the beam body, and a stop block is arranged on the inner side of the support frame;

the locking plate is positioned below the beam body, a rotating shaft is arranged above the locking plate, a connecting hole is formed in the beam body, the rotating shaft is rotatably connected in the connecting hole, the locking plate comprises a transverse straight state and a vertical state, the transverse straight state of the locking plate is in the same direction as the beam body, the vertical state of the locking plate is vertical to the connecting hole, and the state of the locking plate can be switched by rotating the rotating shaft;

the side fixing plates are located on two sides of the supporting frame, and a plurality of through holes are formed in the side fixing plates.

When the supporting structure and the expanding structure are used, the supporting net and the supporting frame are unfolded towards two sides by rotating the supporting net and the supporting frame, further, the rotating shaft is rotated, the locking plate is switched to be in a vertical state by the rotating shaft, the supporting frame is supported by the locking plate, so as to increase the standing area above the beam body, and simultaneously, after the laying of the auxiliary support is finished, the rotating shaft is rotated to enable the locking plate to enter a horizontal and straight state, at the moment, the supporting net and the supporting frame rotate inwards under the condition of lacking of support, the stop block is made of elastic materials, when a pair of supporting frames are collided, the impact force is reduced, a long and straight plate-shaped structure is formed below the beam body, the supporting strength of the beam body can be increased, simultaneously the side fixing plate at this moment contacts with the wall in paster room, fixes the side fixing plate on iron sheet room lateral wall through the perforation, can provide certain supporting effect to the lateral wall, avoids the lateral wall to warp.

As a further improvement of the technical scheme, a fixed block is arranged in the connecting hole, a bearing is arranged on the fixed block, an outer ring of the bearing is connected to the fixed block, and an inner ring of the bearing is sleeved on the rotating shaft.

As a further improvement of the technical scheme, a clamping groove is formed in the upper portion of the rotating shaft, a connecting rod is arranged outside the rotating shaft, a clamping block is arranged below the connecting rod, the clamping block of the connecting rod is in inserting fit with the clamping groove of the rotating shaft, a straight rod is arranged above the connecting rod, and the straight rod penetrates through the connecting rod.

As a further improvement of the technical scheme, a backing plate is arranged at the front end of the locking plate and used for providing buffering.

As a further improvement of the technical scheme, a rotating shaft is arranged on the beam body, the supporting frame is rotatably connected to the rotating shaft, and limiting plates are arranged at two ends of the rotating shaft.

As a further improvement of the technical scheme, the beam body is of a hollow structure, a connecting plate is arranged in the beam body, and the connecting plate is located on the outer side of the connecting hole.

As a further improvement of the technical scheme, positioning plates are arranged at two ends of the beam body, a plurality of positioning pins are arranged above the positioning plates, a plurality of positioning holes are formed below the beam body, and the positioning pins are inserted in the positioning holes.

As a further improvement of the technical scheme, the outer side of the positioning plate is provided with a clamping block, the inner side of the positioning plate is provided with a clamping groove, and the clamping block is matched with the clamping groove in a clamping mode.

As a further improvement of the technical scheme, the center of the outer side of the support frame is bent inwards to form an arch, and the shape of the support net is matched with that of the support frame.

The invention also aims to provide a municipal building construction method, which comprises any one of the beams for municipal building construction, and comprises the following steps:

s1, erecting a plurality of beam bodies above a pair of bearing walls at equal intervals according to construction drawings;

s2, rotating the support frame until the support frame and the support net are in the same plane, and then controlling the rotating shaft to enable the locking plate to be switched from a vertical state to a vertical state;

s3, laying an auxiliary support, rotating the rotating shaft after laying to enable the locking plate to enter a vertical state, and at the moment, rotating the support frame inwards under the action of gravity to form a supporting point.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the beam for the municipal building construction and the construction method, the supporting net and the supporting frame are rotated to be unfolded towards two sides through the arranged supporting net, and the supporting frame is fixed by matching with the locking plate, so that the standing area above the beam body is increased, and the construction difficulty is reduced.

2. According to the beam for the municipal building construction and the construction method, the supporting net is arranged to rotate inwards, and the long and straight plate-shaped structure is formed below the beam body, so that the supporting strength of the beam body can be increased, the strength of the building is improved, and the safety is improved.

3. According to the beam for municipal building construction and the construction method, the weight of the beam body is reduced within the strength allowable range through the hollow structure, so that the construction difficulty is reduced, the strength near the connecting hole can be increased through the connecting plate on the outer side of the connecting hole during connection, and the breakage near the connecting hole is prevented.

4. According to the cross beam for municipal building construction and the construction method, the side fixing plate is in contact with the wall surface of the patch house through the side fixing plate, the side fixing plate is fixed on the side wall of the iron sheet house through the through holes, a certain supporting effect can be provided for the side wall, and deformation of the side wall is avoided.

Drawings

Fig. 1 is a first schematic view of the overall structure of embodiment 1 of the present invention;

FIG. 2 is a second drawing illustrating the overall structure of embodiment 1 of the present invention;

FIG. 3 is a schematic diagram showing the overall structure of example 1 of the present invention in a disassembled state;

FIG. 4 is a schematic structural view of a beam body portion according to embodiment 1 of the present invention;

FIG. 5 is an enlarged view of a portion of the structure at A in FIG. 4;

FIG. 6 is a schematic structural view of a connecting rod according to embodiment 1 of the present invention;

FIG. 7 is a schematic structural view of a lock plate according to embodiment 1 of the present invention;

fig. 8 is a schematic cross-sectional view of a beam body according to embodiment 2 of the present invention;

fig. 9 is a schematic diagram of a positioning plate structure according to embodiment 3 of the present invention;

fig. 10 is a schematic structural view of a support net according to embodiment 4 of the present invention.

The various reference numbers in the figures mean:

100. a support structure;

110. a beam body; 111. connecting holes; 112. a rotating shaft; 113. a limiting plate; 114. positioning holes; 115. a connecting plate;

200. a support expanding structure;

210. a support net; 211. a support frame; 212. a side fixing plate; 213. a stopper;

220. a locking plate; 221. a rotating shaft; 222. a base plate; 223. a fixed block; 224. a bearing;

230. a connecting rod; 231. a straight rod;

240. positioning a plate; 241. positioning pins; 242. a clamping block; 243. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example 1

Referring to fig. 1 to 7, an object of the present embodiment is to provide a beam for municipal building construction, including a supporting structure 100 and a support expanding structure 200 installed on the supporting structure 100, wherein the supporting structure 100 includes a beam body 110;

the expanding structure 200 at least includes:

a support frame 211 is arranged below the support net 210, the support net 210 is fixed above the support frame 211, the support frame 211 is rotatably connected to two sides of the beam body 110, and a stop block 213 is arranged on the inner side of the support frame 211;

the locking plate 220 is positioned below the beam body 110, a rotating shaft 221 is arranged above the locking plate 220, the beam body 110 is provided with a connecting hole 111, the rotating shaft 221 is rotatably connected in the connecting hole 111, the locking plate 220 comprises a transverse state and a vertical state, the transverse state of the locking plate 220 is in the same direction as the beam body 110, the vertical state of the locking plate 220 is vertical to the connecting hole 111, and the state of the locking plate 220 can be switched by rotating the rotating shaft 221;

the side fixing plates 212 are disposed at two sides of the supporting frame 211, and a plurality of through holes are formed in the side fixing plates 212.

When the supporting structure 100 and the expanding structure 200 of this embodiment are used, the supporting net 210 and the supporting frame 211 are rotated to be unfolded towards two sides, further, the rotating shaft 221 is rotated, the locking plate 220 is switched to be in a vertical state through the rotating shaft 221, the supporting frame 211 is supported through the locking plate 220, so as to increase the standing area above the beam body 110, meanwhile, after the laying of the auxiliary support is finished, the rotating shaft 221 is rotated to make the locking plate 220 enter a horizontal state, at this time, the supporting net 210 and the supporting frame 211 rotate inwards under the condition of lack of support, the stopper 213 is made of an elastic material, when a pair of supporting frames 211 is collided, the impact force is reduced, a long and straight plate-shaped structure is formed below the beam body 110, so as to increase the supporting strength of the beam body 110, at this time, the side fixing plate 212 is contacted with the wall surface of the patch room, the side fixing plate 212 is fixed on the side wall of the patch room through a perforation, can provide certain supporting effect to the side wall and avoid the deformation of the side wall.

In addition, for smoothness of rotation, blocking when the state of the locking plate 220 is switched is avoided, a fixing block 223 is arranged in the connecting hole 111, a bearing 224 is arranged on the fixing block 223, an outer ring of the bearing 224 is connected to the fixing block 223, an inner ring of the bearing 224 is sleeved on the rotating shaft 221, smoothness of rotation is reduced through the bearing 224, connection modes of the bearing 224, the fixing block 223 and the rotating shaft 221 are in interference fit, and positioning limitation is performed through size difference.

Further, in order to rotate the rotating shaft 221 conveniently, meanwhile, the rotating part of the rotating shaft 221 is prevented from influencing walking of workers, a clamping groove is formed in the upper portion of the rotating shaft 221, a connecting rod 230 is arranged outside the rotating shaft 221, a clamping block is arranged below the connecting rod 230, the clamping block of the connecting rod 230 is in splicing fit with the clamping groove of the rotating shaft 221, a straight rod 231 is arranged above the connecting rod 230, the straight rod 231 penetrates through the connecting rod 230, the clamping block and the clamping groove are preferably of a polygonal structure, the connecting rod 230 can be enabled to drive the locking plate 220 to rotate through the clamping block and the clamping groove, meanwhile, the straight rod 231 penetrates through the connecting rod 230, the force arm can be changed by adjusting the position of the straight rod 231, rotating difficulty is reduced, and speed for switching the state of the locking plate 220 is increased.

Still further, in order to prevent the lock plate 220 from being deformed by compression when in supporting contact with the support frame 211, a backing plate 222 is disposed at the front end of the lock plate 220, the backing plate 222 is used for providing a buffer, the backing plate 222 is preferably made of rubber material and is fixed above the lock plate 220 by means of adhesion, and when the support frame 211 is in contact with the lock plate 220, the pressure at the contact point is reduced by the backing plate 222, so that the support frame 211 and the lock plate 220 are protected from deformation.

Specifically, for the convenience of dismantling and assembling support net 210 and support frame 211, be equipped with axis of rotation 112 on the crossbeam body 110, support frame 211 rotates to be connected on axis of rotation 112, and axis of rotation 112 both ends are equipped with limiting plate 113, and axis of rotation 112 through sliding connection can be easy to assemble with dismantle support net 210, and further, the displacement of axis of rotation 112 can be restricted to the limiting plate 113 of axis of rotation 112 both sides to avoid axis of rotation 112 to drop.

Example 2

In order to reduce the weight of the cross beam body 110, the following modifications are made on the basis of embodiment 1:

referring to fig. 8, the beam body 110 is a hollow structure, the connecting plate 115 is disposed in the beam body 110, and the connecting plate 115 is located outside the connecting hole 111, so that the weight of the beam body 110 is reduced by the hollow structure, the construction difficulty is reduced, and the strength near the connecting hole 111 is enhanced by the connecting plate 115 to prevent breakage.

Example 3

In order to avoid repeated adjustment of the cross beam body 110, the following modifications are made on the basis of embodiment 1:

referring to fig. 9, positioning plates 240 are disposed at two ends of the beam body 110, a plurality of positioning pins 241 are disposed above the positioning plates 240, a plurality of positioning holes 114 are disposed below the beam body 110, the positioning pins 241 are inserted into the positioning holes 114, the positioning plates 240 can be fixed at an accurate position by performing a previous calculation and measurement, and the beam body 110 can be directly brought into a proper position by inserting the positioning pins 241 into the positioning holes 114, so as to avoid the problem of repeated adjustment.

Still further, in order to conveniently weld the continuous beam body 110 of laying, the locating plate 240 is provided with the joint block 242 on the outside, and the locating plate 240 is provided with the joint groove 243 on the inside, and the joint block 242 cooperates with the joint groove 243 joint, and the joint cooperation through joint block 242 and joint groove 243 can dock the fixed beam body 110 to conveniently weld the continuous beam body 110 of laying.

Example 4

In order to improve the supporting strength of the supporting bracket 211 to the beam body 110, the following improvements are made on the basis of embodiment 1:

referring to fig. 10, the outer centers of the supporting frames 211 are bent inward to form an arch, the shape of the supporting net 210 is matched with the shape of the supporting frames 211, and the arch structure can form an arch bridge structure by matching the shape of the supporting frames 211 after the supporting frames 211 are turned inward, so as to enhance the supporting effect of the beam body 110.

Another object of the present invention is to provide a method for constructing a municipal building, including any one of the above beams for constructing a municipal building, including the following steps:

s1, erecting a plurality of beam bodies 110 above a pair of bearing walls at equal intervals according to construction drawings;

s2, rotating the supporting frame 211 until the supporting frame 211 and the supporting net 210 are in the same plane, and then controlling the rotating shaft 221 to switch the locking plate 220 from the vertical state to the vertical state;

s3, laying the auxiliary support, rotating the rotating shaft 221 after laying to enable the locking plate 220 to enter a vertical state, and at the moment, the support frame 211 rotates inwards under the action of gravity to form a support point.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a crossbeam for municipal construction, its characterized in that: comprises a support structure (100) and a support expanding structure (200) arranged on the support structure (100), wherein the support structure (100) comprises a beam body (110);

the expanding structure (200) comprises at least:

the supporting net (210), a supporting frame (211) is arranged below the supporting net (210), the supporting net (210) is fixed above the supporting frame (211), the supporting frame (211) is rotatably connected to two sides of the beam body (110), and a stop block (213) is arranged on the inner side of the supporting frame (211);

the locking plate (220) is positioned below the beam body (110), a rotating shaft (221) is arranged above the locking plate (220), a connecting hole (111) is formed in the beam body (110), the rotating shaft (221) is rotatably connected in the connecting hole (111), the locking plate (220) comprises a horizontal state and a vertical state, the horizontal state of the locking plate (220) is the same direction as that of the beam body (110), the vertical state of the locking plate (220) is vertical to the connecting hole (111), and the state of the locking plate (220) can be switched by rotating the rotating shaft (221);

the side fixing plates (212) are positioned on two sides of the supporting frame (211), and a plurality of through holes are formed in the side fixing plates (212).

2. The beam for municipal building construction according to claim 1, wherein: a fixing block (223) is arranged in the connecting hole (111), a bearing (224) is arranged on the fixing block (223), an outer ring of the bearing (224) is connected to the fixing block (223), and an inner ring of the bearing (224) is sleeved on the rotating shaft (221).

3. The beam for municipal building construction according to claim 1, wherein: a clamping groove is formed in the upper portion of the rotating shaft (221), a connecting rod (230) is arranged outside the rotating shaft (221), a clamping block is arranged below the connecting rod (230), the clamping block of the connecting rod (230) is in inserted connection with the clamping groove of the rotating shaft (221) in a matched mode, a straight rod (231) is arranged above the connecting rod (230), and the straight rod (231) penetrates through the connecting rod (230).

4. The beam for municipal building construction according to claim 1, wherein: the front end of the lock plate (220) is provided with a backing plate (222), and the backing plate (222) is used for providing buffering.

5. The beam for municipal building construction according to claim 1, wherein: be equipped with axis of rotation (112) on crossbeam body (110), support frame (211) rotate to be connected on axis of rotation (112), axis of rotation (112) both ends are equipped with limiting plate (113).

6. The beam for municipal building construction according to claim 1, wherein: the beam body (110) is of a hollow structure, a connecting plate (115) is arranged in the beam body (110), and the connecting plate (115) is located on the outer side of the connecting hole (111).

7. The beam for municipal building construction according to claim 1, wherein: the positioning device is characterized in that positioning plates (240) are arranged at two ends of the beam body (110), a plurality of positioning pins (241) are arranged above the positioning plates (240), a plurality of positioning holes (114) are formed below the beam body (110), and the positioning pins (241) are inserted into the positioning holes (114).

8. The beam for municipal building construction according to claim 7, wherein: locating plate (240) outside is equipped with joint piece (242), locating plate (240) inboard is equipped with joint groove (243), joint piece (242) with joint groove (243) joint cooperation.

9. The beam for municipal building construction according to claim 1, wherein: the center of the outer side of the support frame (211) is bent inwards to form an arch, and the shape of the support net (210) is matched with that of the support frame (211).

10. A municipal construction method comprising the municipal construction cross member according to any one of claims 1 to 9, wherein: the method comprises the following steps:

s1, erecting a plurality of beam bodies (110) above a pair of bearing walls at equal intervals according to construction drawings;

s2, rotating the support frame (211) until the support frame (211) and the support net (210) are in the same plane, and then controlling the rotating shaft (221) to enable the locking plate (220) to be switched from a vertical state to a vertical state;

s3, laying an auxiliary support, rotating the rotating shaft (221) after laying to enable the locking plate (220) to enter a vertical state, and enabling the support frame (211) to rotate inwards under the action of gravity to form a support point.