CN218714335U

CN218714335U - Large-span steel structure trapezoidal steel roof truss

Info

Publication number: CN218714335U
Application number: CN202223063854.3U
Authority: CN
Inventors: 杨豪; 杨尊加; 王猛; 张政; 李彦杰
Original assignee: Henan Dafang Heavy Equipment Co Ltd
Current assignee: Henan Dafang Heavy Equipment Co Ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-03-24
Anticipated expiration: 2032-11-18

Abstract

The utility model discloses a trapezoidal steel roof truss of large-span steel construction relates to steel roof truss technical field, including mount and bed frame, the both sides of bed frame all are provided with a plurality of mounts, two jacks have all been seted up to one side of mount, and one side of mount all installs fixed box, the fixed plate is all installed to the both sides of mount opposite side and bed frame, and the one end of fixed plate all runs through to one side of jack, the inside of fixed box is provided with the removal strip, and the one end of removal strip all is fixed with the screw rod. The utility model discloses a bed frame and a plurality of mount have been made in advance, with the fixed plate from the inside through of jack when buildding, make the screw rod pass inside the fixed plate to fixing bolt on the screw rod, thereby the rebound of restriction fixed plate makes mount and bed frame can be installed fixedly together, and the operation is convenient fast, does not need the workman to operate in a large number in the high altitude.

Description

Large-span steel structure trapezoidal steel roof truss

Technical Field

The utility model relates to a steel roof truss technical field specifically is a trapezoidal steel roof truss of large-span steel construction.

Background

The roof truss is one of house components, is used for the truss of roof structure, and it bears the weight of roofing and framework and acts on the wind load on last quarter, and multi-purpose timber, steel or reinforced concrete etc. make, have various shapes such as triangle-shaped, trapezoidal, arch, wherein in the roof truss construction of large-span, generally will adopt trapezoidal steel roof truss to build, and the roof truss of this kind of large-span is when constructing, because the volume of roof truss is great, needs the workman to carry out a large amount of welding operation on a certain height, and it is very troublesome to build, in view of the above-mentioned problem, in-depth research, the tunnel has the present case to produce.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a large-span steel construction trapezoidal steel roof truss to the roof truss of the large-span that provides in solving above-mentioned background art needs the workman to carry out a large amount of operations, installs very trouble problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a trapezoidal steel roof truss of large-span steel construction, includes mount and bed frame, the both sides of bed frame all are provided with a plurality of mounts, two jacks have all been seted up to one side of mount, and one side of mount all installs fixed box, the fixed plate is all installed to the both sides of mount opposite side and bed frame, and the one end of fixed plate all runs through to one side of jack, the inside of fixed box is provided with removes the strip, and removes the one end of strip and all is fixed with the screw rod, the one end of screw rod all runs through to the one end of fixed plate.

Preferably, oblique web member has all been welded to the inside bottom both sides of bed frame and mount, and the top of oblique web member welds with the inside top of bed frame and mount respectively and links to each other.

Preferably, install the dwang through the pivot between the inside upper and lower both ends of fixed box, and the dwang runs through in the inside of removing the strip, the outer wall intermediate position department of dwang is fixed with driven bevel gear, the rotary rod is installed in the internal rotation of fixed box one side, and the one end of rotary rod extends to the internally mounted of fixed box and has initiative bevel gear.

Preferably, one end of the rotating rod extends to the outer side of the fixing box and is provided with a knob, and one end of the knob is provided with an inner hexagonal groove.

Preferably, the upper end and the lower end of the outer wall of the rotating rod are respectively provided with external threads in opposite directions, and the outer wall of the moving strip is respectively provided with internal threads matched with the external threads.

Preferably, the driving bevel gear and the driven bevel gear are the same in shape and size, and are meshed with each other.

Preferably, the outside of bed frame and mount is provided with a plurality of installation covers, and the installation cover is all seted up flutedly in one side at both ends around, logical groove has all been seted up at both ends around the installation cover top, and the holding tank has all been seted up to the one side of leading to inslot portion, top and bottom one side at both ends all are fixed with the stopper around the mount, and the one end of stopper all extends to inside the holding tank, the cavity has all been seted up to the inside of bed frame bottom both sides and mount bottom one side, the extension spring telescopic link is all installed to the inside one side of cavity, and the one end of extension spring telescopic link all is fixed with the movable block, both ends all are fixed with the dead lever around the movable block, and the one end of dead lever all runs through to the one end of recess.

Preferably, the connection mode between the moving block and the cavity is sliding connection, and the maximum moving distance of the moving block is greater than the length of the accommodating groove.

Compared with the prior art, the beneficial effects of the utility model are that:

through making bed frame and a plurality of mount in advance, run through the fixed plate from the jack is inside when putting up, make the screw rod pass inside the fixed plate to fixing bolt on the screw rod, thereby the rebound of restriction fixed plate makes mount and bed frame can be installed fixedly together, and the operation is convenient fast, does not need workman's a large amount of operations in the high altitude, has reduced its sense of tired out, simultaneously because the device can be dismantled into a plurality of parts, independent mount and bed frame also are convenient for transport and carry.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic view of a partial top-view cross-sectional structure of the present invention;

FIG. 3 is a schematic view of the partial front view structure of the present invention;

fig. 4 is a schematic view of the second lower chord of the present invention showing a partial bottom cross-sectional structure.

In the figure: 1. a fixing plate; 2. a screw; 3. a fixed mount; 4. a base frame; 5. a jack; 6. a fixing box; 7. rotating the rod; 8. a driving bevel gear; 9. a driven bevel gear; 10. a moving bar; 11. accommodating grooves; 12. a through groove; 13. a limiting block; 14. installing a sleeve; 15. fixing the rod; 16. a groove; 17. a moving block; 18. a tension spring telescopic rod; 19. a diagonal web member; 20. rotating the rod; 21. a cavity.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): referring to fig. 1-4, a large-span steel structure trapezoidal steel roof truss includes a fixed frame 3 and a base frame 4, wherein a plurality of fixed frames 3 are respectively arranged on both sides of the base frame 4;

oblique web members 19 are welded on two sides of the bottom ends inside the base frame 4 and the fixed frame 3, and the top ends of the oblique web members 19 are respectively welded with the top ends inside the base frame 4 and the fixed frame 3;

two jacks 5 are formed in one side of the fixed frame 3, a fixed box 6 is mounted on one side of the fixed frame 3, fixed plates 1 are mounted on the other side of the fixed frame 3 and two sides of the base frame 4, one end of each fixed plate 1 penetrates through one side of each jack 5, a moving strip 10 is arranged inside each fixed box 6, a screw rod 2 is fixed at one end of each moving strip 10, and one end of each screw rod 2 penetrates through one end of each fixed plate 1;

a rotating rod 20 is arranged between the upper end and the lower end of the inside of the fixed box 6 through a rotating shaft, the rotating rod 20 penetrates through the inside of the moving strip 10, a driven bevel gear 9 is fixed in the middle of the outer wall of the rotating rod 20, a rotating rod 7 is rotatably arranged in the inside of one side of the fixed box 6, and one end of the rotating rod 7 extends to the inside of the fixed box 6 and is provided with a driving bevel gear 8;

one end of the rotating rod 7 extends to the outer side of the fixed box 6 and is provided with a knob, and one end of the knob is provided with an inner hexagonal groove;

the upper end and the lower end of the outer wall of the rotating rod 20 are respectively provided with external threads in opposite directions, and the outer wall of the moving strip 10 is respectively provided with internal threads matched with the external threads;

the driving bevel gear 8 and the driven bevel gear 9 are the same in shape and size, and the driving bevel gear 8 and the driven bevel gear 9 are meshed;

specifically, as shown in fig. 1 and 2, the fixing plate 1 penetrates through the insertion hole 5, the rotating rod 7 is rotated again, the rotating rod 20 is rotated by means of the matching of the driving bevel gear 8 and the driven bevel gear 9, so that the two fast moving strips 10 move oppositely, the screw rod 2 penetrates through the fixing plate 1 from the inside, the fixing frame 3 and the base frame 4 can be spliced quickly, and the splicing stability can be improved by installing a nut on the outer wall of the screw rod 2.

A plurality of mounting sleeves 14 are arranged on the outer sides of the base frame 4 and the fixing frame 3, grooves 16 are formed in one side of the front end and the rear end of each mounting sleeve 14, through grooves 12 are formed in the front end and the rear end of the top end of each mounting sleeve 14, accommodating grooves 11 are formed in one side of each through groove 12, limiting blocks 13 are fixed to one sides of the top and the bottom of the front end and the rear end of each fixing frame 3, one ends of the limiting blocks 13 extend into the accommodating grooves 11, cavities 21 are formed in the two sides of the bottom end of the base frame 4 and one side of the bottom end of each fixing frame 3, extension spring telescopic rods 18 are installed on one side of each cavity 21, moving blocks 17 are fixed to one ends of the extension spring telescopic rods 18, fixing rods 15 are fixed to the front end and the rear end of each moving block 17, and one end of each fixing rod 15 penetrates through one end of each groove 16;

the connection mode between the moving block 17 and the cavity 21 is sliding connection, and the maximum moving distance of the moving block 17 is greater than the length of the accommodating groove 11;

specifically, as shown in fig. 1, fig. 3 and fig. 4, the one end of the mounting sleeve 14 is pulled, when the through groove 12 and the limiting block 13 are close to each other, the mounting sleeve 14 is rotated, the limiting block 13 is inserted into the through groove 12, the mounting sleeve 14 is loosened at the moment, the tension spring telescopic rod 18 pulls back and resets the moving block 17, the limiting block 13 is clamped into the accommodating groove 11, and the mounting sleeve 14 can wrap the gap at the joint of the fixing frame 3 and the base frame 4.

The working principle is as follows: when the device is used, firstly, the position of the base frame 4 is determined, then the fixing frame 3 is installed on two sides of the base frame 4, the fixing plate 1 penetrates through the jack 5 during installation, the fixing frame 3 is tightly attached to the base frame 4, then the rotating rod 7 is rotated, the rotating rod 20 is rotated by means of the matching of the driving conical gear 8 and the driven conical gear 9, so that the two moving strips 10 move oppositely, the screw rod 2 penetrates through the fixing plate 1, the fixing frame 3 and the base frame 4 can be quickly spliced, subsequently, more fixing frames 3 can be installed on one side of the fixing frame 3 in the same way, and the splicing stability can be improved by installing nuts on the outer wall of the screw rod 2;

the one end of installation cover 14 can be pulled afterwards, make it overcome extension spring telescopic link 18 through the recess 16 to the actual pulling force of dead lever 15 and remove, when logical groove 12 and stopper 13 were close to, can rotate installation cover 14 for inside stopper 13 inserted logical groove 12, loosen installation cover 14 this moment again, extension spring telescopic link 18 pulls back movable block 17 and resets, inside stopper 13 card goes into holding tank 11, and installation cover 14 then wraps up the junction gap of mount 3 and bed frame 4.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a trapezoidal steel roof truss of large-span steel construction, includes mount (3) and bed frame (4), the both sides of bed frame (4) all are provided with a plurality of mounts (3), its characterized in that: two jacks (5) have all been seted up to one side of mount (3), and fixed box (6) are all installed to one side of mount (3), fixed plate (1) are all installed to the both sides of mount (3) opposite side and bed frame (4), and the one end of fixed plate (1) all runs through to one side of jack (5), the inside of fixed box (6) is provided with removes strip (10), and the one end that removes strip (10) all is fixed with screw rod (2), the one end of screw rod (2) all runs through to the one end of fixed plate (1).

2. The large-span steel structure trapezoidal steel roof truss of claim 1, wherein: oblique web members (19) are welded on two sides of the bottom end inside the base frame (4) and the fixing frame (3), and the top ends of the oblique web members (19) are welded with the top ends inside the base frame (4) and the fixing frame (3) respectively.

3. The large-span steel structure trapezoidal steel roof truss of claim 1, wherein: dwang (20) is installed through the pivot between the upper and lower both ends of fixed box (6) inside, and dwang (20) run through in the inside of removal strip (10), the outer wall intermediate position department of dwang (20) is fixed with driven bevel gear (9), the internal rotation of fixed box (6) one side installs rotary rod (7), and the one end of rotary rod (7) extends to the internally mounted of fixed box (6) and has initiative bevel gear (8).

4. The large-span steel structure trapezoidal steel roof truss of claim 3, wherein: the knob is installed in the outside that the one end of rotary rod (7) extended to fixed box (6), and the interior hexagonal groove has been seted up to the one end of knob.

5. The large-span steel structure trapezoidal steel roof truss of claim 3, wherein: the upper end and the lower end of the outer wall of the rotating rod (20) are respectively provided with external threads in opposite directions, and the outer wall of the moving strip (10) is respectively provided with internal threads matched with the external threads.

6. The large-span steel structure trapezoidal steel roof truss of claim 3, wherein: the shape and the size of the driving bevel gear (8) and the driven bevel gear (9) are the same, and the driving bevel gear (8) is meshed with the driven bevel gear (9).

7. The large-span steel structure trapezoidal steel roof truss of claim 1, wherein: the utility model discloses a telescopic link, including bed frame (4) and mount (3), the outside of bed frame (4) and mount (3) is provided with a plurality of installation cover (14), and install one side at both ends around cover (14) and all seted up recess (16), logical groove (12) have all been seted up at both ends around installation cover (14), and logical groove (12) inside one side has all been seted up holding tank (11), top and bottom one side at both ends all are fixed with stopper (13) around mount (3), and inside the one end of stopper (13) all extends to holding tank (11), cavity (21) have all been seted up to the inside of bed frame (4) bottom both sides and mount (3) bottom one side, extension spring telescopic link (18) are all installed to the inside one side of cavity (21), and the one end of extension spring telescopic link (18) all is fixed with movable block (17), both ends all are fixed with dead lever (15) around movable block (17), and the one end of dead lever (15) all runs through to the one end of recess (16).

8. The large-span steel structure trapezoidal steel roof truss of claim 7, wherein: the moving block (17) is connected with the cavity (21) in a sliding mode, and the maximum moving distance of the moving block (17) is larger than the length of the accommodating groove (11).