CN215164705U

CN215164705U - Temporary steel structure support for drag construction of lower-bearing type steel truss girder

Info

Publication number: CN215164705U
Application number: CN202120587532.5U
Authority: CN
Inventors: 施宇婷; 沈培; 马雪凤
Original assignee: Zhejiang Hongxiang Steel Structure Co ltd
Current assignee: Zhejiang Hongxiang Zhuneng Technology Co.,Ltd.
Priority date: 2021-03-23
Filing date: 2021-03-23
Publication date: 2021-12-14
Anticipated expiration: 2031-03-23

Abstract

The utility model discloses a bear interim steel structure support of dragging construction of formula steel longeron down, including the supporter, still include buffering damper and stably prevent sinking mechanism, supporter upper end welded mounting has the supporting seat, buffering damper is installed to the supporting seat upper end, buffering damper specifically comprises roof, hydraulic pressure post, spring chamber and bottom plate, the last bottom plate of installing of buffering damper, hydraulic pressure post is all installed at bottom plate top both ends, hydraulic pressure post upper end installation roof, the welding of roof central authorities below has the spring chamber, the spring intracavity is installed and is dragged the power spring, it all connects in dragging power pole one end through spring end block to drag power spring both ends. Can cushion the shock attenuation to the steel truss bridge of support, prevent that steel truss bridge from causing vibrations unstable when the construction, have simultaneously and prevent the function of sinking, in steel truss bridge construction engineering, prevent that steel truss bridge from appearing the phenomenon of sinking when supporting, prevent that steel truss bridge from sinking and collapsing.

Description

Temporary steel structure support for drag construction of lower-bearing type steel truss girder

Technical Field

The utility model relates to a steel structure support technical field, in particular to hold interim steel structure support of construction under formula steel longeron is dilatated.

Background

The steel truss girder bridge is a structural form that a solid-web steel plate girder bridge is hollow according to a certain rule, and the structure is a stress mode of the girder as a whole, namely a structure mainly bearing bending moment and shearing force. It is composed of brake connection system, bridge floor, supporting seat and bridge pier. According to different supporting modes of the main trusses, the main trusses are divided into a simply supported steel truss bridge, a continuous steel truss bridge and a cantilever steel truss bridge; the bridge is divided into a deck type steel truss girder bridge and a deck type steel truss girder bridge according to different bridge deck positions.

Patent number CN208618278U discloses an interim steel structural support of dragging construction of undersetting formula steel longeron, relate to steel structural support technical field, comprising a base plate, the upper surface middle part fixedly connected with sleeve of bottom plate, telescopic bottom all is provided with the fixed plate all around, the front four corners department of fixed plate all is provided with first reinforcing screw, the draw-in groove has all been seted up at telescopic front middle part and back middle part, the equal fixedly connected with fixture block in both sides of draw-in groove, be provided with branch in the sleeve, the bottom of branch is provided with the card strip, the fixture block joint on card strip on the branch and the draw-in groove, the middle part of card strip is provided with the second reinforcing screw, the top of branch is provided with the cardboard, the inner chamber has all been seted up to the bottom both sides of branch, the one end fixedly connected with carousel that the second reinforcing screw is located the inner chamber. This hold interim steel structure support of construction under formula steel longeron is hauled can stretch out and draw back according to actual need, has reduced construction cost, simple structure, and the simple operation has effectually improved the efficiency of construction.

This temporary steel structure support of dragging construction of through-type steel longeron has following drawback: 1. the supported steel truss girder bridge cannot be buffered and damped, so that the steel truss girder bridge is easy to cause unstable vibration during construction; 2. the steel truss bridge is not provided with an anti-sinking function, and is easy to cause the sinking phenomenon when the steel truss bridge is supported in the construction engineering of the steel truss bridge, so that the steel truss bridge sinks and collapses. Therefore, a temporary steel structure support for the dragging construction of the through type steel truss girder is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a hold interim steel construction support of construction under formula steel longeron is dilatated can effectively solve the problem in the background art.

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

the utility model provides a hold interim steel structure support of construction under formula steel longeron is hauled, includes the supporter, still includes buffering damper and stably prevents sinking mechanism, supporter upper end welded mounting has the supporting seat, buffering damper is installed to the supporting seat upper end, buffering damper specifically comprises roof, hydraulic pressure post, spring chamber and bottom plate, the last bottom plate of installing of buffering damper, hydraulic pressure post is all installed at bottom plate top both ends, hydraulic pressure post upper end installation roof, the welding of roof central authorities below has the spring chamber, the power spring is dragged in the spring intracavity installation, it all connects in dragging power pole one end through spring end block in power spring both ends to drag power spring both ends, it connects on hydraulic pressure post through connecting the riveting to drag the power pole other end, supporter lower extreme welded mounting has the bed plate.

Furthermore, the stable anti-sinking mechanism is composed of a plurality of anti-sinking roller woods and a plurality of anti-sinking sleepers in a staggered mode, the anti-sinking roller woods penetrate through each anti-sinking sleeper, and a base plate is installed above the stable anti-sinking mechanism; stable anti-sinking mechanism is used for having the anti-sinking function, in steel truss bridge construction engineering, prevents to cause steel truss bridge the phenomenon of sinking to appear when supporting, prevents to cause steel truss bridge the sinking to collapse.

Furthermore, a jacking seat is supported and installed at the upper end of the buffering and damping mechanism, and an anti-skid jacking particle block is arranged at the upper end of the jacking seat; the anti-skid top bracing particle block has an anti-skid effect and is used for stably supporting the steel truss girder bridge in the supporting process.

Furthermore, the support body is provided with a hydraulic support column, a hydraulic oil cavity is formed in the hydraulic support column, and a movable support column is embedded in the hydraulic oil cavity; the supporter utilizes hydraulic pressure principle, can stabilize the buffering shock attenuation to steel truss bridge when supporting.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses a be equipped with buffering damper, when supporting steel truss bridge, produce vibrations in the construction, can transmit to buffering damper through the shore seat, the shaking force can compress the roof of buffering damper upper end, the roof can cushion the shaking force to the hydraulic column of downcompressing, and the pole is dragged in the compression simultaneously, it can stimulate and drag the power spring to drag the power spring, and drag the power spring and can anti-drag the power pole, offset buffering shaking force, with this most shaking force of buffering, and the supporter can be transmitted to the shaking force of subtotal, the activity on the same compression supporter props the post, and the hydraulic oil of the hydraulic oil intracavity that the post can the hydraulic pressure of downcompressing props is propped to the activity prop, utilize the hydraulic pressure principle to cushion the shock attenuation, therefore, can cushion the shock attenuation to the steel truss bridge that supports, prevent that steel truss bridge from causing vibrations unstable when the construction.

2. The utility model is provided with a stable anti-sinking mechanism which is composed of a plurality of anti-sinking roller woods and a plurality of anti-sinking sleepers, and the anti-sinking roller woods are all penetrated through each anti-sinking sleeper, thus the design increases the contact bearing area of the bottom surface of the bed plate and the ground, utilizes the principle of physical mechanics to ensure that the bearing force after the area is increased is shared evenly without causing the uneven stress of a certain part to cause sinking, and the anti-sinking roller woods and the anti-sinking sleepers have certain buoyancy action and anti-seismic action, and the upper end of the support body is provided with the jacking seat, the surface of the jacking seat is provided with anti-skidding jacking particle blocks which increase the friction force with the contact surface of the steel truss bridge, thereby having the anti-skidding action and being capable of sinking well to stably support the steel truss bridge, thus having the anti-sinking function, in the construction engineering of the steel truss bridge, prevent that steel truss bridge from appearing the phenomenon of sinking when supporting, prevent that steel truss bridge from sinking and collapsing.

Drawings

Fig. 1 is a schematic view of the overall structure of a temporary steel structural support for the drag construction of a through-type steel truss of the present invention;

FIG. 2 is a schematic structural view of a buffering and damping mechanism of a temporary steel structural support for the drag construction of a through-type steel truss of the present invention;

FIG. 3 is a schematic structural view of a stable anti-sinking mechanism of a temporary steel structural support for the drag construction of a through-type steel truss girder of the present invention;

fig. 4 is the utility model relates to a bear interim steel structure support's of construction schematic diagram under formula steel longeron drag.

In the figure: 1. stabilizing the anti-subsidence mechanism; 2. a support body; 3. a jacking seat; 4. anti-skid propping the particle block; 5. a buffer damping mechanism; 6. a supporting seat; 7. a base plate; 8. a hydraulic column; 9. a top plate; 10. a tension spring; 11. a spring end block; 12. a pulling rod; 13. connecting a rivet buckle; 14. a spring cavity; 15. a base plate; 16. anti-sinking sleepers; 17. preventing sinking of the roller wood; 18. a hydraulic oil chamber; 19. a movable support pillar; 20. and (4) hydraulic support columns.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, a temporary steel structure support for dragging construction of a through-type steel truss girder comprises a support body 2, a buffering and damping mechanism 5 and a stable anti-sinking mechanism 1, wherein a support seat 6 is welded to the upper end of the support body 2, the buffering and damping mechanism 5 is installed at the upper end of the support seat 6, the buffering and damping mechanism 5 specifically comprises a top plate 9, a hydraulic column 8, a spring cavity 14 and a bottom plate 15, the bottom plate 15 is installed on the buffering and damping mechanism 5, the hydraulic column 8 is installed at both ends above the bottom plate 15, the top plate 9 is installed at the upper end of the hydraulic column 8, the spring cavity 14 is welded below the center of the top plate 9, a pulling spring 10 is installed in the spring cavity 14, both ends of the pulling spring 10 are connected to one end of a pulling rod 12 through a spring end block 11, the other end of the pulling rod 12 is connected to the hydraulic column 8 through a connecting rivet 13, and a base plate 7 is welded at the lower end of the support body 2.

The stable anti-sinking mechanism 1 is composed of a plurality of anti-sinking roller woods 17 and a plurality of anti-sinking sleepers 16 in a staggered mode, the anti-sinking roller woods 17 penetrate through each anti-sinking sleeper 16, and a base plate 7 is installed above the stable anti-sinking mechanism 1; stabilize and prevent mechanism 1 that sinks and be used for having and prevent the function that sinks, in steel truss bridge construction engineering, prevent to cause steel truss bridge to appear the phenomenon of sinking when supporting, prevent to cause steel truss bridge to sink and collapse.

Wherein the upper end of the buffering and damping mechanism 5 is provided with a jacking seat 3 in a supporting way, and the upper end of the jacking seat 3 is provided with an anti-skid jacking particle block 4; the anti-skid top support particle block 4 has an anti-skid function and is used for stably supporting the steel truss girder bridge in the supporting process.

The support body 2 is provided with a hydraulic support column 20, a hydraulic oil cavity 18 is formed in the hydraulic support column 20, and a movable support column 19 is embedded in the hydraulic oil cavity 18; the support body 2 utilizes the hydraulic principle, and can stably buffer and absorb shock when supporting the steel truss girder bridge.

It should be noted that, the utility model relates to a temporary steel structure support for dragging construction of a through-type steel truss girder, in operation, through being equipped with the buffering and damping mechanism 5, when supporting the steel truss girder bridge, the vibration is generated in the construction and is transmitted to the buffering and damping mechanism 5 through the supporting seat 3, the vibration force compresses the top plate 9 at the upper end of the buffering and damping mechanism 5, the top plate 9 compresses the hydraulic column 8 downwards to buffer the vibration force, and simultaneously compresses the pulling rod 12, the pulling rod 12 pulls the pulling spring 10, the pulling spring 10 pulls the pulling rod 12 reversely, thereby offsetting the buffering vibration force, so as to buffer most of the vibration force, and a small part of the vibration force is transmitted to the supporting body 2, and also compresses the movable supporting column 19 on the supporting body 2, and the movable supporting column 19 compresses the hydraulic oil in the hydraulic oil cavity 18 of the hydraulic supporting column 20 downwards, the hydraulic principle is utilized to buffer and damp, therefore, the supported steel truss girder bridge can be buffered and damped, and the steel truss girder bridge is prevented from causing unstable vibration during construction; by arranging the stable anti-sinking mechanism 1, the stable anti-sinking mechanism 1 consists of a plurality of anti-sinking roller woods 17 and a plurality of anti-sinking sleepers 16, and the anti-sinking roller woods 17 penetrate through each anti-sinking sleeper 16, the design increases the contact bearing area of the bottom surface of the base plate 7 and the ground, utilizes the principle of physical mechanics to ensure that the bearing force after the area is increased is shared uniformly without causing the uneven stress of a certain part to cause sinking, and the anti-sinking roller woods 17 and the anti-sinking sleepers 16 have certain buoyancy action and anti-seismic action, the upper end of the support body 2 is provided with the top support seat 3, the surface of the top support seat 3 is provided with the anti-skidding top support particle blocks 4, the anti-skidding top support particle blocks 4 increase the friction force with the contact surface of the steel truss bridge, have the anti-skidding action, can well stably support the steel truss bridge, thus, have the anti-sinking function, and in the construction engineering of the steel truss bridge, prevent that steel truss bridge from appearing the phenomenon of sinking when supporting, prevent that steel truss bridge from sinking and collapsing.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The temporary steel structure support for the dragging construction of the through-type steel truss girder comprises a support body (2) and is characterized by further comprising a buffering damping mechanism (5) and a stable anti-sinking mechanism (1), wherein a support seat (6) is welded to the upper end of the support body (2), the buffering damping mechanism (5) is installed at the upper end of the support seat (6), the buffering damping mechanism (5) is specifically composed of a top plate (9), a hydraulic column (8), a spring cavity (14) and a bottom plate (15), the bottom plate (15) is installed on the buffering damping mechanism (5), the hydraulic column (8) is installed at two ends above the bottom plate (15), the top plate (9) is installed at the upper end of the hydraulic column (8), the spring cavity (14) is welded below the center of the top plate (9), a pulling spring (10) is installed in the spring cavity (14), two ends of the pulling spring (10) are connected to one end of a pulling rod (12) through a spring end block (11), the other end of the tension rod (12) is connected to the hydraulic column (8) through a connecting rivet (13), and a base plate (7) is welded to the lower end of the support body (2).

2. The temporary steel structural support for the drag construction of the through type steel truss girder according to claim 1, wherein: stable anti-sinking mechanism (1) is crisscross by a plurality of anti-sinking roller wood (17) and a plurality of anti-sinking sleeper (16) and is constituteed, anti-sinking roller wood (17) all run through in each anti-sinking sleeper (16), base plate (7) are installed to stable anti-sinking mechanism (1) top.

3. The temporary steel structural support for the drag construction of the through type steel truss girder according to claim 1, wherein: the upper end of the buffering damping mechanism (5) is supported and provided with a jacking seat (3), and the upper end of the jacking seat (3) is provided with an anti-skidding jacking particle block (4).

4. The temporary steel structural support for the drag construction of the through type steel truss girder according to claim 1, wherein: install hydraulic pressure prop (20) on supporter (2), hydraulic pressure prop (20) inside hydraulic pressure oil pocket (18) of having seted up, inlay in hydraulic pressure oil pocket (18) and install activity prop (19).