CN210923267U - Novel precast concrete stair experiment frame - Google Patents

Abstract

The utility model discloses a novel prefabricated concrete stair test stand, which comprises a fixed support base plate and a vertical frame. An inclined support structure is installed above the fixed support base plate, and a bracket is installed on one side of the inclined support structure. A lifting device is installed on one side of the vertical frame, and the vertical frame is located above the bracket. The purpose of this new type of prefabricated concrete stair test stand is to simulate the actual effect of using stairs on the floor, so that the force process of the experiment is closer to the on-site use effect. As a result, the prefabricated stairs are assembled on the construction site to become movable supports, so the experimental effect can be almost the same as that of the construction site, and the experimental effect is closer to reality. Manpower, due to the reduction in weight reduction, the time for stacking experiments will also be reduced by 40%, saving time and effort.

Description

A New Precast Concrete Staircase Test Frame

technical field

The utility model relates to the technical field of prefabricated concrete stair experiments, in particular to a novel prefabricated concrete stair experiment frame.

Background technique

At this stage, the staircase experiment of the prefabricated component factory adopts a horizontal experimental frame, that is, two horizontal rectangular frames are welded with channel steel, and the prefabricated staircase is placed on it, and then the load-bearing items are placed. The force of this kind of test frame is linear, and the force is large, which cannot compare with the function and force characteristics of stairs used on real floors. In addition, the load capacity of the horizontal experimental rack is relatively large, and more load-bearing objects need to be prepared before the experiment; since the force loading is staged during the experiment, the experiment time for each loading is about 1 hour. The heavier the loading, the experiment time will be correspondingly increase, thereby increasing the related human and material resources.

Utility model content

The purpose of the present utility model is to provide a novel prefabricated concrete stair test stand, so as to solve the problem that the existing ones proposed in the above-mentioned background technology cannot meet the needs of people well.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a novel prefabricated concrete stair test stand, comprising a fixed support base plate and a vertical frame, an inclined support structure is installed above the fixed support base plate, and a part of the inclined support structure is installed. A bracket is installed on the side, a lifting device is installed on one side of the vertical frame, and the vertical frame is located above the bracket.

Preferably, the fixed support base plate is perpendicular to the vertical frame, and the fixed support base plate and the vertical frame are connected.

Preferably, a triangular structure is formed between the fixed support base plate and the vertical frame through the inclined support structure, and the fixed support base plate is connected with the vertical frame through the inclined support structure.

Preferably, rail wheels are installed on both front and rear ends of the lifting device, and the lifting device is perpendicular to the vertical frame.

Preferably, the brackets are symmetrically distributed with respect to the vertical center line of the vertical frame, and a triangular structure is formed between the brackets and the vertical frame.

Preferably, the bracket is connected with the fixed support bottom plate, and the bracket is connected with the vertical frame.

Compared with the prior art, the beneficial effects of the present utility model are as follows:

The purpose of making this test stand is to simulate the actual effect of using stairs on the floor, so that the force process of the experiment is closer to the effect of the field. The stair is assembled on the construction site as a movable support, so the experimental effect can be almost the same as the construction site, and the experimental effect is closer to reality. In addition, the experimental pressure of the load is 40% lower than that of the horizontal frame, which reduces material and manpower. The weight loss is reduced, and the time of the stacking experiment is also reduced by 40%, saving time and effort;

The new prefabricated concrete stair test stand is provided with a bracket, and the triangular structure between the bracket and the vertical stand can effectively enhance the stability of the support of the test stand, avoid the deflection of the vertical stand, and enable the vertical stand to effectively keep the vertical stand upright. Straight state, and can effectively control the moving direction and trajectory of the lifting device;

The new prefabricated concrete stair test stand is equipped with a vertical frame, and the vertical frame completed by channel steel welding can move up and down by itself. effect.

Description of drawings

Fig. 1 is the front view structure schematic diagram of the utility model;

Fig. 2 is the left side view structure schematic diagram of the present utility model;

Fig. 3 is the rear view structure schematic diagram of the utility model;

Fig. 4 is the right side view structure schematic diagram of the present utility model;

FIG. 5 is a schematic top view of the structure of the utility model.

In the figure: 1. Fixed support base plate; 2. Inclined support structure; 3. Vertical frame; 4. Lifting device; 5. Bracket.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-5, the present utility model provides a technical solution: a novel prefabricated concrete stair test stand, comprising a fixed support base plate 1 and a vertical frame 3, an inclined support structure 2 is installed above the fixed support base plate 1, and A bracket 5 is installed on one side of the inclined support structure 2, and the brackets 5 are symmetrically distributed with respect to the vertical center line of the vertical frame 3, and a triangular structure is formed between the bracket 5 and the vertical frame 3; The triangular structure between the racks 3 can effectively enhance the stability of the support of the experimental rack, avoid the deflection of the vertical rack 3, so that the vertical rack 3 can effectively maintain the vertical state, and can effectively control the movement of the lifting device 4 direction and trajectory;

The bracket 5 is connected with the fixed support base plate 1, and the bracket 5 is connected with the vertical frame 3. A lifting device 4 is installed on one side of the vertical frame 3, and the vertical frame 3 is located above the bracket 5, and is fixed The support base plate 1 is perpendicular to the vertical frame 3, and the fixed support base plate 1 is connected with the vertical frame 3. The fixed support base plate 1 forms a triangular structure through the oblique support structure 2 and the vertical frame 3, and the fixed support base plate 1 forms a triangular structure. Through the connection between the oblique support structure 2 and the vertical frame 3 , rail wheels are installed at the front and rear ends of the lifting device 4 , and the lifting device 4 is perpendicular to the vertical frame 3 .

When using the new prefabricated concrete stair test stand, first of all, the prefabricated stairs have different sizes and heights in different projects. This experimental device can be adjusted vertically and horizontally according to the size of the prefabricated stairs to meet the needs of different sizes Stair experiment, one machine is multi-purpose, efficient and convenient;

Secondly, before installation, first grasp the height and horizontal length of the stairs. According to this size, use a crane to lift the lifting device 4 to the height of the stairs. Track wheels are installed on both sides of the lifting device 4, and the vertical frame completed by welding the channel steel 3. It can move up and down by itself. The reason why the channel steel is used is that the channel steel can not only be used as a load-bearing structure, but also can be used as a track, which has a guiding role. Secondly, the lifting device 4 is fixed by means of gear engagement and tightened. Fix with bolts to prevent slippage, then adjust the horizontal movable distance adjustment board to meet the horizontal size of the stairs and fix it;

Finally, place the stairs on the experimental stand to perform the experimental operation, which is the working principle of this new type of prefabricated concrete stair experimental stand.

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

Claims (6)

1. The utility model provides a novel precast concrete stair experiment frame, includes fixed stay bottom plate (1) and vertical (3), its characterized in that: inclined supporting structure (2) is installed to the top of fixed stay bottom plate (1), and support (5) are installed to one side of inclined supporting structure (2), hoisting device (4) are installed to one side of vertical frame (3), and vertical frame (3) are located the top of support (5).

2. The novel precast concrete stair experimental frame of claim 1, wherein: the fixed supporting bottom plate (1) is perpendicular to the vertical frame (3), and the fixed supporting bottom plate (1) is connected with the vertical frame (3).

3. The novel precast concrete stair experimental frame of claim 1, wherein: the fixed supporting bottom plate (1) forms a triangular structure with the vertical frame (3) through the inclined supporting structure (2), and the fixed supporting bottom plate (1) is connected with the vertical frame (3) through the inclined supporting structure (2).

4. The novel precast concrete stair experimental frame of claim 1, wherein: rail wheels are installed at the front end and the rear end of the lifting device (4), and the lifting device (4) is perpendicular to the vertical frame (3).

5. The novel precast concrete stair experimental frame of claim 1, wherein: the brackets (5) are symmetrically distributed around the vertical central line of the vertical frame (3), and a triangular structure is formed between the brackets (5) and the vertical frame (3).

6. The novel precast concrete stair experimental frame of claim 1, wherein: the support (5) is connected with the fixed supporting bottom plate (1), and the support (5) is connected with the vertical frame (3).

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