CN210685120U

CN210685120U - Combined light steel roof truss

Info

Publication number: CN210685120U
Application number: CN201921437217.3U
Authority: CN
Inventors: 孙金龙; 王宏杰; 曹黎明; 宝音; 白岩峰; 李振龙; 焦昆; 程哲彦; 董晓琴; 景明垚
Original assignee: China Railway Sixth Group Co Ltd; China Railway Sixth Group Hohhot Railway Construction Co Ltd
Current assignee: China Railway Sixth Group Co Ltd; China Railway Sixth Group Hohhot Railway Construction Co Ltd
Priority date: 2019-09-02
Filing date: 2019-09-02
Publication date: 2020-06-05
Anticipated expiration: 2029-09-02

Abstract

The utility model belongs to the technical field of light steel roof trusses, in particular to a combined light steel roof truss, aiming at the problems that the investment of the manual installation cost for hoisting the light steel roof truss by the existing crane is too large, and the installation structure is too simple when the light steel roof truss is hoisted at a designated position, thereby influencing the stability of the whole building, the utility model provides a proposal that the combined light steel roof truss comprises a trapezoidal frame which is placed at the top of two wall posts, a rectangular frame is arranged in the trapezoidal frame, two symmetrical inclined support rods are fixedly arranged at both sides of the rectangular frame, and the other ends of the inclined support rods are fixedly connected with the inner side of the trapezoidal frame, the operation of the combined light steel roof truss is simple, the set hoisting structure can reduce the swing of the crane during hoisting the light steel roof truss body, the manual assistance is not needed, the labor cost is reduced, and simultaneously, under the fixed matching of a clamping shaft, a clamping groove, a rectangular clamping block, a rectangular, the overall stability of the building is improved.

Description

Combined light steel roof truss

Technical Field

The utility model relates to a light steel roof truss technical field especially relates to a modular light steel roof truss.

Background

In recent years, with the development of industry, precast concrete column bent structure, H-shaped steel structure and light steel roof truss engineering are more and more commonly applied to buildings such as industrial factory buildings, storehouses and shopping malls, and the light steel roof truss becomes one of the main components of the assembled structure of industrial and civil buildings. The light steel roof truss is manufactured by processing in a processing factory, assembling, hoisting and welding in place on site. The anti-seismic device has the advantages of good anti-seismic performance, good structural overall performance, recyclability, low labor intensity and the like.

The light steel structure has light dead weight, belongs to flexible buildings, has good shock resistance, can be recycled, and is easy to remove and transform. The light steel roof truss is processed in a factory, the construction site is saved, the light steel roof truss is assembled and spliced on site, in order to reduce high-altitude operation and improve the production efficiency, two roof trusses can be assembled together on the ground, the middle of the two roof trusses is connected by an upper chord horizontal support and a lower chord horizontal support and a tie bar to ensure the stability of the integral installation, after the light steel roof truss is assembled, the light steel roof truss needs to be hoisted on a specified installation position by using a crane, but in the hoisting process of the crane, in order to prevent the light steel roof truss from swinging too much, an operator needs to hold a cable rope by hand to control the balance of the roof truss in the hoisting process, thereby increasing the investment of manual installation cost undoubtedly, and when the light steel roof truss is hoisted on the specified position, the installation structure is too simple, only a few screws are used for installation, so that the connection is unstable, and the stability of the integral building is influenced, we have therefore proposed a modular lightweight steel roof truss which addresses the problems set out above.

Disclosure of Invention

The utility model aims at solving the problem that the investment of the manual installation cost of the crane for hoisting the light steel roof truss is too large in the prior art, and meanwhile, the installation structure is too simple when the light steel roof truss is hoisted on a specified position, thereby influencing the stability of the whole building and providing a combined light steel roof truss.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a combined light steel roof truss comprises a trapezoid frame arranged at the tops of two wall columns, wherein a rectangular frame is arranged in the trapezoid frame, two inclined support rods which are symmetrically arranged are fixedly arranged on two sides of the rectangle frame, the other ends of the inclined support rods are fixedly connected with the inner sides of the trapezoid frame, rectangular grooves are formed in two sides of each wall column, two symmetrically arranged rectangular clamping blocks are slidably connected to the bottom of the trapezoid frame, the two rectangular clamping blocks positioned on the same side are respectively clamped with the rectangular grooves on two sides of each wall column, two symmetrically arranged clamping shafts are fixedly arranged at the bottom of the trapezoid frame, a clamping groove is formed in the top of each wall column, the bottoms of the two clamping shafts respectively extend into the clamping groove and are clamped with the clamping groove, a fixed shaft is fixedly arranged in each clamping shaft, a screw rod is fixedly sleeved on each fixed shaft, and two ends of the screw rod respectively penetrate through the two rectangular clamping blocks and extend to two sides of the rectangular clamping blocks, fixed cover is equipped with fixed cuff on the wall post, threaded connection has two nuts that the symmetry set up on the screw rod, and two nuts laminate with one side that two rectangle fixture blocks kept away from each other respectively mutually, the top of trapezoidal frame has been seted up and has been hidden the groove, it has the hanger plate to hide inslot sliding connection, and plays fixed mounting on the hanger plate and be used for keeping the firm spacing subassembly of trapezoidal frame.

Preferably, the top fixed mounting of rectangle fixture block has the slider, and the bottom sliding connection of slider and trapezoidal frame utilizes the slider can make rectangle fixture block can carry out lateral shifting, and can not take place the skew.

Preferably, fixed cuff includes the elasticity steel ring, be provided with the opening on the elasticity steel ring, and the both ends of opening part fixed mounting respectively have first fixed block and second fixed block, one side fixed mounting of first fixed block has the screw thread seat, threaded connection has the locking threaded rod on the second fixed block, and the one end of locking threaded rod extend in the screw thread seat and with screw thread seat threaded connection, when utilizing fixed cuff cover to establish on the wall post be in with rectangle fixture block and wall post fixed, clockwise twist locking threaded rod this moment, locking threaded rod and screw thread seat threaded connection, so can make the one end of locking threaded rod remove to one side of screw thread seat, and then can constantly reduce the internal diameter of fixed cuff, until the inboard of fixed cuff and wall post closely laminate alright.

Preferably, the limiting assembly comprises two pulling rods which are rotatably installed on two sides of the lifting plate respectively, the other ends of the pulling rods are rotatably connected with sliding blocks, sliding rods are fixedly installed on inner walls of two sides of the hidden groove respectively, the two sliding blocks are sleeved on the outer sides of the two sliding rods respectively and are in sliding connection with the sliding rods respectively, a buffer spring is sleeved on the outer side of each sliding rod, when the light steel roof truss body needs to be lifted, a crane and the lifting plate can be fixedly connected, when the lifting plate is pulled to ascend, the lifting plate can be enabled to pull the two pulling rods to slide on the sliding rods and compress the buffer spring, and when the crane is used for lifting the light steel roof truss body, the balance of the light steel roof truss body can be kept under the limiting effect of the two pulling rods, and the swing of the crane is reduced in the lifting process.

Preferably, two symmetrically arranged positioning blocks are fixedly mounted on the inner wall of the bottom of the hidden groove, two symmetrically arranged positioning grooves are formed in the bottom of the lifting plate, the tops of the two positioning blocks extend into the two positioning grooves respectively and are clamped, and the positioning blocks and the positioning grooves can limit the lifting plate in the hidden groove.

Preferably, the top of the lifting plate is provided with a groove, a lifting ring is fixedly mounted in the groove, and the lifting ring is used for facilitating connection of the lifting machine and the lifting plate.

1. The utility model discloses in, the hanger plate that lifts up of setting has made things convenient for the loop wheel machine greatly and has hung the light steel roof truss body, and when utilizing the hanger plate to lift up the light steel roof truss body simultaneously, under the limiting displacement of two pulling poles, can keep the balance of light steel roof truss body, make it reduce the swing at the in-process that lifts up, need not the handheld cable wind rope of operating personnel and control the roof truss at the balance of lifting up, reduced the input of artifical installation cost.

2. The utility model discloses in, can compress buffer spring when utilizing to lift by crane the board and lift by crane the light steel roof truss body, and after finishing lifting the light steel roof truss body, when will lift by crane the board and separate with the crane, under buffer spring's the elasticity that resets, can accomodate at hiding the inslot with lifting by crane the board, can not influence the outward appearance of light steel roof truss body.

3. The utility model discloses in, can go into the draw-in groove with the card axle card when hoisting the top of two wall posts with light steel roof truss body in, then two nuts are twisted to the manual work, can go into two rectangular channels with two rectangle fixture block cards, then establish fixed hoop cover on the wall post, twist clockwise locking threaded rod, until fixed hoop's inboard and wall post closely laminate alright to under foretell fixed knot structure cooperation, improved the steadiness that light steel roof truss body and wall post are fixed greatly.

The utility model is simple in operation, the structure of lifting by crane that sets up can reduce the loop wheel machine and at the swing of the light steel roof truss body of lifting by crane, need not artifical supplementary, has reduced the cost of labor, simultaneously under the cooperation of card axle, draw-in groove, rectangle fixture block, rectangular channel and fixed cuff, can be so that the installation component looks tradition of light steel roof truss body and wall post uses the firmer of screw fixation, has improved the whole steadiness of building.

Drawings

Fig. 1 is a schematic view of a combined light steel roof truss according to the present invention;

fig. 2 is a schematic structural view of a part of fig. 1 of a combined light steel roof truss provided by the utility model;

fig. 3 is a schematic view of a part of the structure of fig. 1 of a combined light steel roof truss provided by the present invention;

fig. 4 is a schematic top view of the fixing hoop of the combined light steel roof truss of the present invention.

In the figure: 1 trapezoidal frame, 2 rectangular frame, 3 bearing diagonal poles, 4 wall posts, 5 rectangular grooves, 6 rectangular fixture blocks, 7 clamping shafts, 8 clamping grooves, 9 fixing shafts, 10 screw rods, 11 nuts, 12 fixing hoops, 12.1 elastic steel rings, 12.2 first fixing blocks, 12.3 second fixing blocks, 12.4 threaded seats, 12.5 locking threaded rods, 13 hidden grooves, 14 lifting plates, 15 positioning blocks, 16 positioning grooves, 17 pulling rods, 18 sliding rods, 19 sliding blocks, 20 buffer springs and 21 lifting rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a combined light steel roof truss comprises a trapezoid frame 1 placed on the top of two wall studs 4, a rectangular frame 2 is arranged in the trapezoid frame 1, two sides of the rectangular frame 2 are fixedly provided with two inclined support rods 3 which are symmetrically arranged, the other ends of the inclined support rods 3 are fixedly connected with the inner side of the trapezoid frame 1, two sides of the wall studs 4 are respectively provided with a rectangular groove 5, the bottom of the trapezoid frame 1 is slidably connected with two symmetrically arranged rectangular fixture blocks 6, the two rectangular fixture blocks 6 positioned on the same side are respectively clamped with the rectangular grooves 5 on two sides of the wall studs 4, the bottom of the trapezoid frame 1 is fixedly provided with two symmetrically arranged clamping shafts 7, the top of the wall stud 4 is provided with a clamping groove 8, the bottom of the two clamping shafts 7 respectively extends into the clamping groove 8 and is clamped with the clamping groove 8, a fixing shaft 9 is fixedly installed in the clamping shaft 7, a screw 10 is fixedly sleeved on the fixing shaft, the two ends of the screw rod 10 respectively penetrate through the two rectangular clamping blocks 6 and extend to the two sides of the rectangular clamping blocks 6, the wall column 4 is fixedly sleeved with the fixed hoop 12, the screw rod 10 is in threaded connection with the two nuts 11 which are symmetrically arranged, the two nuts 11 are respectively attached to one side, far away from the two rectangular clamping blocks 6, of the trapezoidal frame 1, the top of the trapezoidal frame 1 is provided with the hidden groove 13, the hidden groove 13 is in sliding connection with the lifting plate 14, and the lifting plate 14 is fixedly provided with the limiting component for keeping the trapezoidal frame 1 stable, the operation of the utility model is simple, the arranged lifting structure can reduce the swing of the crane in lifting the light steel roof truss body, does not need manual assistance, reduces the labor cost, and can make the mounting parts of the light steel roof truss body and the wall column 4 firmer by using the fixed screws in the traditional way under the matching of the clamping shaft 7, the clamping groove 8, the rectangular clamping blocks 6, the rectangular, the overall stability of the building is improved.

In this embodiment, the top fixed mounting of rectangle fixture block 6 has the slider, and the bottom sliding connection of slider and trapezoidal frame 1 utilizes the slider can make rectangle fixture block 6 can carry out lateral shifting, and can not take place the skew.

In this embodiment, the fixing hoop 12 includes an elastic steel ring 12.1, an opening is disposed on the elastic steel ring 12.1, two ends of the opening are respectively and fixedly mounted with a first fixing block 12.2 and a second fixing block 12.3, one side of the first fixing block 12.2 is fixedly mounted with a screw seat 12.4, the second fixing block 12.3 is connected with a locking threaded rod 12.5 by a thread, and one end of the locking threaded rod 12.5 extends into the screw seat 12.4 and is connected with the screw seat 12.4 by a thread, when the wall stud 4 is sleeved with the fixing hoop 12 and is used for fixing the rectangular fixture block 6 and the wall stud 4, the locking threaded rod 12.5 is screwed clockwise, and the locking threaded rod 12.5 is connected with the screw seat 12.4 by a thread, so that one end of the locking threaded rod 12.5 can move to one side of the screw seat 12.4, and the inner diameter of the fixing hoop 12 can be continuously reduced until the inner side of the fixing hoop 12 and the.

In this embodiment, the limiting assembly includes two pulling rods 17 rotatably installed on two sides of the lifting plate 14, the other end of the pulling rod 17 is rotatably connected with a sliding block 19, sliding rods 18 are fixedly installed on inner walls on two sides of the hidden groove 13, the two sliding blocks 19 are respectively sleeved on outer sides of the two sliding rods 18 and slidably connected with the sliding rods 18, a buffer spring 20 is sleeved on an outer side of each sliding rod 18, when the light steel roof truss body needs to be lifted, the crane and the lifting plate 14 can be fixedly connected, when the lifting plate 14 is pulled to ascend, the lifting plate 14 can pull the two pulling rods 17 to slide on the sliding rods 18 and compress the buffer spring 20, and when the light steel roof truss body is lifted by the crane, under the limiting effect of the two pulling rods 17, the balance of the light steel roof truss body can be maintained, so that the swinging of the light steel roof truss body is reduced in the lifting process.

In this embodiment, two positioning blocks 15 symmetrically arranged are fixedly mounted on the inner wall of the bottom of the hidden slot 13, two positioning slots 16 symmetrically arranged are formed in the bottom of the lifting plate 14, the tops of the two positioning blocks 15 respectively extend into the two positioning slots 16 and are clamped, and the positioning blocks 15 and the positioning slots 16 can limit the lifting plate 14 in the hidden slot 13.

In this embodiment, the top of lifting plate 14 is provided with a groove, and lifting ring 21 is fixedly installed in the groove, and lifting ring 21 is utilized to facilitate the connection of the lifting machine and lifting plate 14.

In this embodiment, when the steel roof truss body needs to be installed on the top of two walls 4, the light steel roof truss body is firstly hoisted by the hoisting plate 14, when the hoisting plate 14 is hoisted, the sliding block 19 on the pulling rod 17 is pulled to compress the buffer spring 20, and under the limiting action of the two pulling rods 17, the balance of the light steel roof truss body can be kept, when the light steel roof truss body is hoisted to a specified position, the hoisting plate 14 can be separated from the crane, and under the reset elasticity of the buffer spring 20, the hoisting plate 14 can be accommodated in the hidden groove 13, so that the appearance of the light steel roof truss body cannot be affected;

and can go into draw-in groove 8 with card axle 7 card when hoisting light steel roof truss body to the top of two wall posts 4, then two nuts 11 are twisted in the manual work, can go into two rectangular channel 5 with two rectangle fixture block 6 cards, overlap fixed cuff 12 cover again on wall post 4, twist clockwise locking threaded rod 12.5, until the inboard of fixed cuff 12 closely laminate with wall post 4 alright, under the cooperation of foretell fixed knot structure, can make the installation component of light steel roof truss body and wall post 4 traditional use the screw fixation firmer, improved the whole steadiness of building.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A combined light steel roof truss comprises a trapezoidal frame (1) placed at the tops of two wall columns (4), and is characterized in that a rectangular frame (2) is arranged in the trapezoidal frame (1), two sides of the rectangular frame (2) are fixedly provided with two symmetrically arranged inclined supporting rods (3), the other ends of the inclined supporting rods (3) are fixedly connected with the inner side of the trapezoidal frame (1), two sides of the wall columns (4) are respectively provided with a rectangular groove (5), the bottom of the trapezoidal frame (1) is connected with two symmetrically arranged rectangular clamping blocks (6) in a sliding manner, the two rectangular clamping blocks (6) positioned at the same side are respectively connected with the rectangular grooves (5) at two sides of the wall columns (4), the bottom of the trapezoidal frame (1) is fixedly provided with two symmetrically arranged clamping shafts (7), the top of the wall columns (4) is provided with a clamping groove (8), the bottoms of the two clamping shafts (7) respectively extend into the clamping grooves (8) and are clamped with the clamping grooves (8), a fixed shaft (9) is fixedly arranged in the clamping shaft (7), a screw rod (10) is fixedly sleeved on the fixed shaft (9), two ends of the screw rod (10) respectively penetrate through the two rectangular clamping blocks (6) and extend to two sides of the rectangular clamping blocks (6), a fixed hoop (12) is fixedly sleeved on the wall column (4), two symmetrically arranged nuts (11) are connected to the screw rod (10) in a threaded manner, and the two nuts (11) are respectively attached to the sides of the two rectangular clamping blocks (6) which are far away from each other, the top of the trapezoid frame (1) is provided with a hidden groove (13), the hidden groove (13) is connected with a lifting plate (14) in a sliding way, and a limiting assembly used for keeping the trapezoidal frame (1) stable is fixedly arranged on the lifting plate (14).

2. A combined light steel roof truss according to claim 1 wherein the top of the rectangular fixture block (6) is fixedly mounted with a slider, and the slider is slidably connected with the bottom of the trapezoid frame (1).

3. The combined light steel roof truss of claim 1, wherein the fixing hoop (12) comprises an elastic steel ring (12.1), an opening is formed in the elastic steel ring (12.1), a first fixing block (12.2) and a second fixing block (12.3) are respectively and fixedly mounted at two ends of the opening, a threaded seat (12.4) is fixedly mounted at one side of the first fixing block (12.2), a locking threaded rod (12.5) is in threaded connection with the second fixing block (12.3), and one end of the locking threaded rod (12.5) extends into the threaded seat (12.4) and is in threaded connection with the threaded seat (12.4).

4. A combined light steel roof truss according to claim 1, wherein the limiting assembly comprises two pulling rods (17) rotatably mounted on two sides of the lifting plate (14), respectively, the other end of each pulling rod (17) is rotatably connected with a sliding block (19), sliding rods (18) are fixedly mounted on inner walls of two sides of the hidden groove (13), the two sliding blocks (19) are respectively sleeved on the outer sides of the two sliding rods (18) and slidably connected with the sliding rods (18), and a buffer spring (20) is sleeved on the outer side of each sliding rod (18).

5. A combined light steel roof truss according to claim 1, wherein two symmetrically arranged positioning blocks (15) are fixedly installed on the inner wall of the bottom of the hidden groove (13), two symmetrically arranged positioning grooves (16) are formed at the bottom of the hoisting plate (14), and the tops of the two positioning blocks (15) respectively extend into the two positioning grooves (16) to be clamped.

6. A combined light steel roof truss according to claim 1 wherein the top of the lifting plate (14) is provided with a groove and a lifting ring (21) is fixedly mounted in the groove.