CN214089505U - Self-anchoring sliding temporary support for mounting small prefabricated double-T beam - Google Patents

Abstract

The utility model discloses a temporary support that slides from anchor for installation of small-size prefabricated two T roof beams, which comprises a first body, the second support body, install the third support body between the lower inclined plane of first support body and the last inclined plane of second support body, the top surface and the bottom surface of third support body coincide with the lower inclined plane of first support body and the last inclined plane shape of second support body respectively, it has the bolt hole to open in the middle of the back wall of third support body, a bolt passes the bolt hole on the back wall in proper order, the trompil on the anchor steel sheet will compress tightly the setting at first support body from the anchor steel sheet through the movable nut who connects on the bolt, make on the antetheca of second support body and third support body first, second and third support body are connected and are a whole. The three split frame bodies are stacked and assembled into a whole up and down, and the contact inclined planes of the three frame bodies slide relatively only by loosening the movable nut of the tool, so that the overall height of the three frame bodies is reduced, and the aim of landing the beam body is fulfilled.

Description

Self-anchoring sliding temporary support for mounting small prefabricated double-T beam

Technical Field

The utility model relates to a prefabricated two T roof beam installation temporary support structure among the assembled bridge construction technology specifically relates to a from anchor temporary support that slides for prefabricated two T roof beam installations.

Background

A large amount of bridge prefabricated components are applied to bridge construction, wherein, prefabricated double T roof beam is the most extensively used bridge superstructure, and at the in-process of prefabricated double T roof beam installation, hoist prefabricated double T roof beam earlier and support through the temporary support and deposit usually, adjust the roof beam body height through prefabricated double T roof beam below temporary support, make permanent support atress after accomplishing the support stone setting, remove the temporary support again and support, reach into the bridge operating mode after the prefabricated double T roof beam atress conversion.

The conventional temporary support structure is mainly in a structural form of supporting a cylinder plug by sand in a cylinder, but the temporary support enables the upper end surface of the cylinder plug to be relatively horizontal, and the temporary support structure cannot be well applied to obliquely arranged beam bodies and narrow operation spaces; because small-size prefabricated T roof beam weight is big, the mounting height requires highly, and the bearing capacity that adjusts to the temporary support requires highly to under the atress compresses tightly the state, the temporary support is the adjusting beam height under narrow and small working space condition and is demolishd the difficulty.

Chinese patent application No. 202010428324.0 discloses "a slip unlocking type temporary support for mounting prefabricated small box girder", including: the first support body is provided with a first supporting surface and a first inclined surface, the first supporting surface is used for supporting the beam body, and the first inclined surface is used for sliding and connecting; the second frame body has the same structure as the first frame body and comprises a second supporting surface and a second inclined surface; the first frame body is arranged above the second frame body, the first inclined surface of the first frame body is arranged on the second inclined surface of the second support, relative sliding between the first inclined surface and the second inclined surface can be achieved by applying force, and the first inclined surface and the second inclined surface are fixed through the connecting component, so that the first frame body and the second frame body form a whole. The problem that this structure exists is that can not be to the further adjustment of roof beam body height and need demolish the temporary support after four adapting unit completely, it is not convenient enough to operate in narrow and small working space.

Disclosure of Invention

An object of the utility model is to overcome prior art's shortcoming, provide one kind effectively satisfied the bearing capacity requirement of the interim fulcrum of prefabricated two T roof beams and demolish interim support easy operation's a self-anchoring temporary support that slides that is used for the installation of small-size prefabricated two T roof beams in narrow and small space.

The utility model discloses a self-anchoring sliding temporary support structure for small-size prefabricated double T roof beam installation, including first support body and second support body, first support body and second support body be the right angle trapezoidal body that open the groove in the middle of opening, the lower inclined plane of first support body and the upper inclined plane of second support body set up relatively from top to bottom, the inclined plane of first support body the same and slope opposite direction of the inclined plane of second support body, install the third support body between the lower inclined plane of first support body and the upper inclined plane of second support body, the third support body include the n shape structure that constitutes by left wall, back wall and right wall connection in proper order, the top surface and the bottom surface of third support body coincide with the lower inclined plane of first support body and the upper inclined plane shape of second support body respectively, the upper horizontal plane relative with lower inclined plane in the first support body is used for supporting prefabricated T roof beam, the lower horizontal plane relative with upper inclined plane in the second support body support on the top surface of bent cap, a bolt hole is formed in the middle of the rear wall of the third frame body, a bolt sequentially penetrates through the bolt hole in the rear wall and the hole in the self-anchoring steel plate and the self-anchoring steel plate is tightly pressed on the front walls of the first frame body, the second frame body and the third frame body through a movable nut connected to the bolt, so that the first frame body, the second frame body and the third frame body are connected into a whole, and the screw head of the bolt is pressed on the rear wall of the third frame body;

follow the upper and lower edge of the outer wall of the left wall of third support body and right wall weld respectively and have a spacing reinforcing bar, first support body about the lower part of lateral wall and second support body about the upper portion of lateral wall set up respectively about on upper portion between two spacing reinforcing bars and about the lower part between two spacing reinforcing bars with the left and right sides removal of restriction first support body and second support body.

The utility model has the advantages that: the utility model discloses a three split type support body is stacked from top to bottom and is assembled as a whole, only through unscrewing movable nut, thereby makes contact inclined plane take place to slide relatively between the three support body and make the whole high reduction of three support body to reach the mesh of the descending roof beam body. This structure has effectively solved prefabricated two T roof beams installation back, demolishs the problem of difficulty at narrow and small operating space temporary support.

The utility model discloses from the angle of the material of temporary support and dismantlement method, adopt steel preparation to form the steel construction with first support body, second support body, third support body, adapting unit of temporary support, the bearing capacity requirement of the interim fulcrum of prefabricated two T roof beams has been satisfied effectively to the material compressive capacity of its steel construction strong, the preparation is convenient quick.

Drawings

FIG. 1 is a schematic structural view of a self-anchoring sliding temporary support for mounting a small prefabricated double T-beam of the present invention;

FIG. 2 is a schematic structural view of the structure shown in FIG. 1 in an operating state;

FIG. 3 is a schematic view of the first and second frames of the structure shown in FIG. 1;

FIG. 4 is a schematic structural view of a third frame in the structure shown in FIG. 1;

FIG. 5 is a schematic view of the construction of the connector of the construction shown in FIG. 1;

fig. 6 is a schematic diagram of an application of the structure shown in fig. 1.

Detailed Description

The invention is explained in more detail below by means of specific examples.

The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.

The utility model discloses a self-anchoring sliding temporary support structure for installation of small-size prefabricated double T roof beam, as shown in the attached drawing, including first support body 1 and second support body 2, first support body 1 and second support body 2 be the right angle trapezoidal body that opens logical groove in the middle, the lower inclined plane of first support body 1 and the upper inclined plane of second support body 2 set up relatively from top to bottom, the slope of first support body 1 the same and slope opposite direction of the inclined plane of second support body 2, install third support body 3 between the lower inclined plane of first support body 1 and the upper inclined plane of second support body 2, third support body 3 include by left wall, back wall and right wall connect gradually the n-shaped structure that constitutes, the top surface and the bottom surface of third support body 3 coincide with the lower inclined plane of first support body 1 and the upper inclined plane shape of second support body 2 respectively, the inclined plane of each support body is used for sliding, last horizontal plane relative with lower inclined plane is used for supporting prefabricated T roof beam in first support body 1, second support body 2 in with last inclined plane relative lower horizontal plane support on the bent cap top surface the back wall of third support body 3 in the middle of open and to have the bolt hole, a bolt 4 passes the bolt hole on the back wall in proper order, from the trompil on anchor steel sheet 6 and will compress tightly the setting from anchor steel sheet 6 through connect the movable nut 5 on bolt 4 and make first support body 1, second support body 2 and third support body 3 connect as a whole on the antetheca of first support body 1, second support body 2 and third support body 3. The screw head 7 of the bolt 4 is pressed on the rear wall of the third frame body 3.

Screw head 7 limits the third support body 3 front and back horizontal displacement, and from the first support body 1 of anchor steel sheet 6 restriction and the second support body 2 front and back horizontal displacement, connect three disconnect-type support bodies into a whole.

Follow the upper and lower edge of the outer wall of the left wall of third support body 3 and the right wall weld respectively and have a spacing reinforcing bar 8, first support body 1 about the lower part of lateral wall and second support body about the upper portion of lateral wall set up respectively about upper portion between two spacing reinforcing bars 8 and about the lower part about between two spacing reinforcing bars 8 with the left and right sides of restriction first support body 1 and second support body 2 between.

As an embodiment of the utility model, first support body 1, second support body 2, third support body 3 and the material from anchor steel sheet 6 adopt the wall thickness to be 10 mm's Q235 steel material, spacing reinforcing bar 8 adopt nominal diameter to be 6mm reinforcing bar, bolt 4 adopts nominal diameter to be 16mm reinforcing bar.

The use method of the support comprises the following steps:

firstly, mounting a permanent support 9 on a prefabricated T beam 12 to be hoisted, and mounting two main supports 11 by referring to the position of FIG. 6, so that the horizontal plane of a second frame body of the two main supports 11 is supported on the top surface of a cover beam 10;

secondly, hoisting the prefabricated T-beam 12 to enable the bottom surface of the prefabricated T-beam to be supported on the horizontal plane of the first frame body of the support 11, wherein the permanent support 9 of the prefabricated T-beam is positioned above the top surface of the cover beam 10;

thirdly, referring to fig. 2, when the height of the beam body is reduced and the support is removed, the movable nut 5 is unscrewed, so that the first frame body 1 moves downwards under the action of the gravity of the beam body and the self gravity, the third frame body 3 horizontally displaces outwards through the three frame body inclined planes, and meanwhile, the limiting steel bars 8 of the third frame body 3 limit the left and right horizontal displacement of the three frame body inclined planes; when the prefabricated T roof beam reachd and set for the elevation, stop to unscrew movable nut 5, from anchor steel sheet 6 restriction first support body 1 and the second support body 2 around horizontal displacement, screw head 7 restriction third support body 3's horizontal displacement to guarantee that three support body is located all the time and overall structure is stable.

And fourthly, pouring stone-filled concrete between the bottom of each prefabricated T-beam permanent support 9 and the top surface of the bent cap 10, removing the support after the stone-filled concrete reaches a preset strength, and supporting the prefabricated T-beam by the prefabricated T-beam permanent support 9 and the stone pad integrally poured with the prefabricated T-beam permanent support 9.

The above is a further detailed description of the present invention, and it is not to be considered that the embodiments of the present invention are limited thereto, and those skilled in the art can make several simple deductions or replacements without departing from the concept of the present invention.

Claims (2)

1. The utility model provides a temporary support that slides from anchor for installation of small-size prefabricated two T roof beams, includes first support body (1) and second support body (2), first support body and second support body for the middle right angle trapezoidal body that has logical groove of opening, the lower inclined plane of first support body sets up relatively from top to bottom with the last inclined plane of second support body, the inclined plane of first support body the same and slope opposite direction of slope on the inclined plane of second support body, its characterized in that: the lower inclined plane of first support body and the last inclined plane of second support body between install third support body (3), the third support body include by left wall, back wall and right wall connect gradually the n shape structure of constituteing, the top surface and the bottom surface of third support body coincide with the lower inclined plane of first support body and the last inclined plane shape of second support body respectively, the last horizontal plane relative with lower inclined plane is used for supporting prefabricated T roof beam in the first support body, the second support body in with last inclined plane relative lower horizontal plane support on bent cap top surface, the back wall of third support body in the middle of open and to have the bolt hole, a bolt (4) pass bolt hole on the back wall in proper order, from the trompil on anchor steel sheet (6) and compress tightly the anchor steel sheet through activity nut (5) of connecting on the bolt and set up on the antetheca of first support body, second support body and third support body and make on the antetheca of first support body, second support body, The second frame body and the third frame body are connected into a whole, and the screw head of the bolt is pressed on the rear wall of the third frame body;

follow the upper and lower edge of the outer wall of the left wall of third support body and right wall weld respectively and have a spacing reinforcing bar, first support body about the lower part of lateral wall and second support body about the upper portion of lateral wall set up respectively about on upper portion between two spacing reinforcing bars and about the lower part between two spacing reinforcing bars with the left and right sides removal of restriction first support body and second support body.

2. The self-anchoring sliding temporary support for small prefabricated double T-beam installation according to claim 1, wherein: first support body, second support body, third support body and the material of self-anchoring steel sheet adopt the wall thickness to be 10 mm's Q235 steel material, spacing reinforcing bar adopt nominal diameter to be 6mm reinforcing bar, the bolt adopts nominal diameter to be 16mm reinforcing bar.

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