CN209794135U - Combined steel structure pedestal acting on precast beam - Google Patents

Abstract

The utility model discloses a combination formula steel constructs pedestal that acts on precast beam, including concrete ground, pre-buried post in the concrete ground, install the trapezoidal pipe on pre-buried post and install the steel sheet on the trapezoidal pipe, there are pre-buried ring and pre-buried ring to install on pre-buried post in the concrete ground, be provided with flat board and dull and stereotyped both ends connection trapezoidal pipe avris between the trapezoidal pipe. It attaches in the concrete ground to take off through pre-buried ring, increase pre-buried post and take off on the support dynamics on the concrete ground, be difficult to subside downwards when making pre-buried post receive downward pressure, be 3 face side isosceles triangles that are mutually tangent with trapezoidal pipe cross-section partition through the V-arrangement board, make trapezoidal intraductal stable triangle mechanics supporting mechanism that forms, the side has very big holding power in the cross slab steel sheet, make the support stability of whole steel structure pedestal more excellent, the not high problem of support stability has been solved.

Description

Combined steel structure pedestal acting on precast beam

Technical Field

The utility model relates to a combination formula steel that acts on precast beam constructs pedestal.

Background

At present bridge structures have more and more adopted precast beam structures, and the precast installation construction speed is fast, and the quality receives the assurance easily.

The pedestal is main supporting member in the precast beam production, adopts pre-buried post in the concrete floor more, because of pre-buried post upper end connects the trapezoidal pipe, supports and places the steel sheet through the trapezoidal pipe to it is fixed through bolt and nut, stability when being used for guaranteeing the precast beam of steel sheet, but the weak point that exists has: the precast beam who bears on the steel sheet is heavier, and it is great that the steel sheet that adopts the trapezoidal pipe to support pressure downwards, and the pre-buried stability in concrete ground of pre-buried post and trapezoidal pipe support stability can receive very big examination, and consequently the pedestal support stability that these structures constitute is not high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a combination formula steel constructs pedestal that acts on precast beam to solve the not high problem of support stability that provides in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a combination formula steel constructs pedestal that acts on precast beam, includes concrete ground, pre-buried post in the concrete ground, installs the trapezoidal pipe on pre-buried post and installs the steel sheet on the trapezoidal pipe, pre-buried ring and pre-buried ring in the concrete ground are installed on pre-buried post, be provided with flat board and dull and stereotyped both ends between the trapezoidal pipe and connect trapezoidal pipe avris, install the backup pad through the cross slab on the flat board, be equipped with the round hole in the backup pad, the steel sheet lower extreme is equipped with the bolt, the bolt inserts backup pad and bolt lower extreme through the round hole and passes through nut locking.

Preferably, a V-shaped plate is fixedly arranged in the trapezoidal pipe.

Preferably, the interior of the steel plate comprises a manganese steel layer, a tungsten steel layer, a high-carbon steel layer and a W-Cr-Co alloy layer from bottom to top and is manufactured by high-temperature heating and forging.

Compared with the prior art, the beneficial effects of the utility model are that: it attaches in the concrete ground to take off through pre-buried ring, increase pre-buried post and take off the support dynamics of attaching on the concrete ground, be difficult to subside downwards when making pre-buried post receive downward pressure, be 3 face side isosceles triangles that are mutually tangent with trapezoidal pipe cross-section partition through the V template, make trapezoidal intraductal stable triangle mechanics supporting mechanism that forms of trapezoidal, make trapezoidal pipe better to steel sheet both sides support nature, the side has very big holding power in the cross plate steel sheet, make the support stability of whole steel structure pedestal more excellent, the problem that support stability is not high has been solved.

drawings

FIG. 1 is a partially cut-away front view of the present invention;

FIG. 2 is a schematic view of the connection distribution of the embedded columns of the present invention;

FIG. 3 is a schematic bottom view of the middle side of the present invention;

Fig. 4 is an enlarged schematic view of the structure at a of the present invention.

In the figure: the concrete floor is 1, the embedded column is 2, the embedded ring is 3, the trapezoid pipe is 4, the steel plate is 5, the 6V-shaped plate is 7 flat plates, the cross plate is 8, the supporting plate is 9, the round hole is 10, the bolt is 11, the nut is 12, the manganese steel layer is 13, the tungsten steel layer is 14, the high carbon steel layer is 15, and the tungsten chromium cobalt alloy layer is 16.

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.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: a combined steel structure pedestal acting on a precast beam comprises a concrete ground 1, pre-embedded columns 2 pre-embedded in the concrete ground 1, ladder-shaped pipes 4 installed on the pre-embedded columns 2 and steel plates 5 installed on the ladder-shaped pipes 4, wherein the number of the ladder-shaped pipes 4 is 2, each of the flat plates 7, cross plates 8 and supporting plates 9 is 1, pre-embedded rings 3 are pre-embedded in the concrete ground 1, the pre-embedded rings 3 are installed on the pre-embedded columns 2, the number of the pre-embedded columns 2 is 4, each pre-embedded column 2 is provided with 2 pre-embedded rings 3, the inner walls of the pre-embedded rings 3 are fixed on the outer sides of the pre-embedded columns 2 by adopting a welding method, the pre-embedded rings 3 are attached in the concrete ground 1, the attaching supporting force of the pre-embedded columns 2 on the concrete ground 1 is increased, the pre-embedded columns 2 are not prone to subside downwards when being subjected to downward supporting pressure, flat plates 7 are arranged between the ladder-shaped pipes 4, and the two ends, the two ends of the flat plate 7 are connected with the lower side of the inner end of the trapezoid tube 4, the section of the trapezoid tube 4 is an isosceles trapezoid, which has good mechanical support property, the flat plate 7 is provided with a support plate 9 through a cross plate 8, the lower end of the steel plate 5 is in a state of sliding contact with the support plate 9 and the upper end of the trapezoid tube 4, the upper end and the lower end of the cross plate 8 are respectively connected with the lower end of the support plate 9 and the upper end of the flat plate 7, the cross plate 8 is actually a plate-shaped structure with two 120-degree folded angle plates connected in opposite vertex, and is connected with the flat plate 7 and the support plate 9 to form a two triangular vertex opposite vertex support structure, which has great support force to the middle side of the steel plate 5, and increases the support area to the middle side and lower end of the steel plate 5 through the contact of the support plate 9 with the middle side and lower end of the steel plate 5, so that the middle side of the steel plate 5, the steel plate 5 is stably fixed to the trapezoidal pipe 4 by the bolts 11 on the four sides being locked by the nuts 12.

Referring to fig. 1 and 3, a V-shaped plate 6 is fixedly mounted in the trapezoidal pipe 4, the length of the V-shaped plate 6 is the same as that of the trapezoidal pipe 4, and the cross section of the trapezoidal pipe 4 is divided into 3 isosceles triangles with tangent surfaces, so that a stable triangular mechanical supporting mechanism is formed in the trapezoidal pipe 4, and the trapezoidal pipe 4 has better support performance for two sides of the steel plate 5.

Referring to fig. 1 and 4, the interior of the steel plate 5 includes, from bottom to top, a manganese steel layer 13, a tungsten steel layer 14, a high-carbon steel layer 15 and a stellite layer 16, and is formed by high-temperature heating and forging, the manganese steel layer 13 has a thickness of 1.4 cm, the manganese steel layer 13 has high toughness and is not easily bent and broken, and as a lower layer of the steel plate 5, the manganese steel layer has stable metal mechanical support for the whole steel plate 5, the tungsten steel layer 14 and the high-carbon steel layer 15 have good rigidity and are not easily broken, the tungsten steel layer 14 has a thickness of 1 cm, the high-carbon steel layer 15 has a thickness of 1.3 cm, the stellite layer 16 has good wear resistance, corrosion resistance and hardness, when a beam column is prefabricated on the upper surface of the steel plate 5 for a long term, the smooth surface is not easily roughened, and the prefabricated beam column is smoother.

The utility model discloses when concrete implementation: the embedded ring 3 is attached in the concrete ground 1, the supporting force of the embedded column 2 on the concrete ground 1 is increased, the embedded column 2 is not easy to subside downwards when being pressed downwards, the section of the trapezoidal pipe 4 is divided into 3 isosceles triangles with tangent surfaces at the sides by the V-shaped plate 6, a stable triangular mechanical supporting mechanism is formed in the trapezoidal pipe 4, the trapezoidal pipe 4 has better supporting performance on two sides of the steel plate 5, the cross plate 8 is actually a plate-shaped structure with two 120-degree angle folded plates connected in opposite vertex, and after being connected with the flat plate 7 and the supporting plate 9, the two triangular vertex opposite vertex supporting structures are formed, the middle side of the steel plate 5 has great supporting force, the supporting area of the lower end of the middle side of the steel plate 5 is increased by the contact of the supporting plate 9 on the lower end of the middle side of the steel plate 5, the middle side of the steel plate 5 is very stable, and the bolts 11 at four sides are locked by the nuts 12, make steel sheet 5 stable fix on trapezoidal pipe 4, and steel sheet 5 itself adopts manganese steel layer 13, tungsten steel layer 14, high carbon steel layer 15 and wolfram chromium cobalt alloy layer 16 and makes through high temperature heating forging and pressing, and intensity is higher for the support stability of whole steel structure pedestal is more excellent.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (3)

1. The utility model provides a combination formula steel constructs pedestal that acts on precast beam, includes concrete ground (1), pre-buried post (2) in concrete ground (1), installs trapezoidal pipe (4) on pre-buried post (2) and installs steel sheet (5) on trapezoidal pipe (4), its characterized in that: pre-buried ring (3) and pre-buried ring (3) of pre-buried in concrete ground (1) are installed on pre-buried post (2), be provided with between trapezoidal pipe (4) flat board (7) and dull and stereotyped (7) both ends and connect trapezoidal pipe (4) avris, backup pad (9) have been installed through cross slab (8) on dull and stereotyped (7), be equipped with round hole (10) in backup pad (9), steel sheet (5) lower extreme is equipped with bolt (11), bolt (11) are inserted backup pad (9) and bolt (11) lower extreme through round hole (10) and are locked through nut (12).

2. A modular steel structure pedestal for precast beams according to claim 1, wherein: v-shaped plates (6) are fixedly arranged in the trapezoidal pipes (4).

3. A modular steel structure pedestal for precast beams according to claim 1, wherein: the interior of the steel plate (5) comprises a manganese steel layer (13), a tungsten steel layer (14), a high-carbon steel layer (15) and a W-Cr-Co alloy layer (16) from bottom to top and is manufactured by high-temperature heating and forging.