CN219065116U - A quick-setting concrete strength test device for bridge expansion joints - Google Patents

Abstract

The utility model discloses a quick-setting concrete strength test device for bridge expansion joints, which belongs to the technical field of concrete test equipment and comprises a base, wherein a vertical plate and a mounting plate are fixedly arranged at the top end of the base, the mounting plate is positioned at one side of the vertical plate, a second fixing frame is fixedly connected to one side of the vertical plate, an electric push rod is arranged at one side of the mounting plate, which faces the vertical plate, of the mounting plate, a tension measurer is fixedly connected to the end face of an output shaft of the electric push rod, a pull ring is fixedly connected to one side, which is far away from the electric push rod, of the tension measurer, a concrete body can be quickly fixed in the first fixing frame and the second fixing frame through a screw rod, and the first fixing frame can be directly pushed and pulled through the output shaft of the electric push rod, so that the tension test of the concrete body is realized, the operation is simple and convenient, the problem that a traditional traction rope is easy to break is avoided, and the potential safety hazard is reduced.

Description

A quick-setting concrete strength test device for bridge expansion joints

technical field

The utility model belongs to the technical field of concrete test equipment, in particular to a quick-setting concrete strength test device for bridge expansion joints.

Background technique

Concrete is one of the most important civil engineering materials today. It is composed of cementitious materials, granular aggregates (also called aggregates), water, and additives and admixtures added when necessary, prepared in a certain proportion, uniformly stirred, densely formed, cured and hardened. artificial stone. One of the main indicators of concrete quality is tensile strength, which needs to be tested using a specific device.

In the published patent document with the announcement number CN216013007U, a concrete tensile strength test device is disclosed, which includes a base, a clamping mechanism 1 and a clamping mechanism 2 are arranged on the base, and the clamping mechanism 1 includes a support frame and a support frame A cavity 1 is provided in the bottom horizontal frame of the cavity 1, and the upper end of the rotating shaft 2 of the transmission component 1 in the cavity 1 is coaxially fixed to the threaded column 1, and the upper end of the threaded column 1 is installed with a slide plate 1, and the slide block 1 is slidably installed in the chute of the support frame In the first, the clamping component 2 includes a sliding bracket, and the upper end of the rotating shaft 4 of the transmission component 2 in the bottom horizontal frame of the sliding bracket is coaxially fixed with the threaded column 2, and the upper end of the threaded column 2 is installed with the sliding plate 2, and the sliding plate 2 is slidably installed on the sliding bracket In the chute 2 of the chute, wheels are arranged under the sliding bracket, an intermediate anchor tension measuring device is connected to the outer wall of the sliding bracket, and a winding machine is arranged above the base, and the concrete sample is clamped on the backing plate 1 and the backing plate. Between the two, start the winding machine, and record the maximum tensile value of the concrete sample when it breaks with the middle anchor tensile tester.

In this application document, when testing the concrete tensile force, it needs to be used in conjunction with a winder, a pulley and a traction rope. The operation is complicated, and the traction rope is easy to break when pulled for a long time, which will injure the surrounding testers, and there are certain safety hazards. Therefore, Need a kind of bridge expansion joint to solve the above problems with quick setting concrete strength test device.

Utility model content

The purpose of this utility model is to provide a quick-setting concrete strength test device for bridge expansion joints. The concrete body can be quickly fixed inside the first fixing frame and the second fixing frame through the screw rod, and the output shaft of the electric push rod can The first fixing frame can be directly pushed and pulled, so as to realize the tensile test on the concrete body, the operation is simple and convenient, the problem of easy breakage of the traditional traction rope is avoided, and the potential safety hazard is reduced.

In order to achieve the above object, the utility model provides the following technical solutions:

The utility model relates to a quick-setting concrete strength test device for bridge expansion joints, comprising a base, a vertical plate and a mounting plate are fixedly installed on the top of the base, the mounting plate is located on one side of the vertical plate, and the vertical plate A second fixed bracket is fixedly connected to the side facing the mounting plate, and an electric push rod is installed on the side of the mounting plate facing the vertical plate, and the end surface of the output shaft of the electric push rod is fixedly connected to a tension measuring device. The side of the measuring instrument away from the electric push rod is fixedly connected with a pull ring, and the side of the pulling ring away from the tension measuring device is fixedly connected with a first fixing frame, and the inside of the first fixing frame and the second fixing frame are installed with The concrete body, the top ends of the first fixing frame and the second fixing frame are threaded with screw rods, the screw rods are in contact with the concrete body, and the bottom ends of the first fixing frame are fixedly connected with pulleys.

As a preferred technical solution of the present invention, the top of the base is provided with a guide groove, the guide groove is located between the vertical plate and the mounting plate, and the pulley is located inside the guide groove.

As a preferred technical solution of the present invention, the bottom end of the base is fixedly connected with an anti-skid pad.

As a preferred technical solution of the present utility model, the first fixing frame and the second fixing frame are concave-shaped structures, and the openings of the first fixing frame and the second fixing frame are arranged opposite to each other.

As a preferred technical solution of the present invention, both sides of the electric push rod are fixedly connected with a reinforcement frame, and screws are pierced on the reinforcement frame, and the screws are screwed to the mounting plate.

As a preferred technical solution of the present utility model, anti-slip lines are provided on the end faces of the first fixing frame and the second fixing frame in contact with the concrete body.

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

The concrete body can be quickly fixed inside the first fixed frame and the second fixed frame through the screw rod, and the output shaft of the electric push rod can directly push and pull the first fixed frame, so as to realize the tensile test of the concrete body and operate Simple and convenient, it avoids the problem that the traditional traction rope is easy to break, and reduces the potential safety hazard.

Description of drawings

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is a top view structural schematic diagram of the base of the utility model;

Fig. 3 is a schematic cross-sectional structure diagram of the second fixing frame of the present invention.

In the figure: 1. Electric push rod; 2. Tension measuring device; 3. Pull ring; 4. First fixing frame; Anti-slip mat; 10, base; 11, pulley; 12, mounting plate; 13, screw; 14, reinforcement frame; 15, anti-slip pattern; 16, guide groove.

Detailed ways

Below in conjunction with embodiment the utility model is described further.

The following examples are used to illustrate the utility model, but can not be used to limit the protection scope of the utility model. The conditions in the embodiment can be further adjusted according to the specific conditions, and the simple improvement of the method of the utility model under the premise of the concept of the utility model belongs to the protection scope of the utility model.

Please refer to Figures 1-3, the utility model provides a quick-setting concrete strength test device for bridge expansion joints, including a base 10, a vertical plate 8 and a mounting plate 12 are fixedly installed on the top of the base 10, and the mounting plate 12 is located on the vertical One side of the plate 8, the side of the vertical plate 8 facing the mounting plate 12 is fixedly connected with the second fixed frame 7, and the side of the mounting plate 12 facing the vertical plate 8 is equipped with an electric push rod 1, and the output shaft of the electric push rod 1 The end face is fixedly connected with a tension measuring device 2, and the side of the tension measuring device 2 away from the electric push rod 1 is fixedly connected with a pull ring 3, and the side of the pulling ring 3 away from the tension measuring device 2 is fixedly connected with a first fixed frame 4, the first The interior of the fixed frame 4 and the second fixed frame 7 is equipped with a concrete body 5, and the tops of the first fixed frame 4 and the second fixed frame 7 are threaded with a screw rod 6, and the screw rod 6 abuts against the concrete body 5. The bottom end of the fixed frame 4 is fixedly connected with a pulley 11 .

Specifically, the top of the base 10 is provided with a guide groove 16, the guide groove 16 is located between the vertical plate 8 and the mounting plate 12, the pulley 11 is located inside the guide groove 16, and under the action of the guide groove 16, the pulley 11 can be stabilized. straight scrolling.

Specifically, the bottom end of the base 10 is fixedly connected with an anti-slip mat 9 , which can improve the anti-slip property of the base 10 .

Specifically, both the first fixing frame 4 and the second fixing frame 7 are concave-shaped structures, and the openings of the first fixing frame 4 and the second fixing frame 7 are arranged opposite to each other, which facilitates the installation of the concrete body 5 .

Specifically, both sides of the electric push rod 1 are fixedly connected with a reinforcing frame 14, and the reinforcing frame 14 is pierced with a screw 13, and the screw 13 is threadedly connected with the mounting plate 12. Under the action of the reinforcing frame 14 and the screw 13, the The firmness of the installation of the electric push rod 1.

Specifically, the end faces of the first fixing frame 4 and the second fixing frame 7 in contact with the concrete body 5 are provided with anti-slip lines 15, and the friction between the first fixing frame 4 and the second fixing frame 7 and the concrete body 5 can be improved through the anti-slip lines 15 .

Specifically, when the utility model is used, the concrete body 5 to be tested is first placed in the first fixing frame 4 and the second fixing frame 7, and then the screw rod 6 is turned clockwise to fix the concrete body 5, and then through the external The power switch starts the electric push rod 1, and the output shaft of the electric push rod 1 can pull the second fixed frame 4. When the concrete body 5 breaks, the tension measuring device 2 can record the maximum tension value that the concrete body 5 bears when it breaks. The strength of the concrete sample can be obtained by dividing the maximum tensile force value by the cross-sectional area of the concrete sample.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", Orientation indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. Or the positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operation, and therefore cannot be construed as a limitation of the utility model.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present utility model, "plurality" means two or more, unless otherwise specifically defined.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a bridge expansion joint is with quick setting concrete intensity test device, includes base (10), its characterized in that: the utility model discloses a concrete fixing device for a building, including base (10), mounting panel (12), screw rod (6), pull rod (1), pull rod (2) are kept away from one side fixedly connected with pull ring (3) of electric putter (1), pull ring (3) are kept away from one side fixedly connected with first mount (4) of pull rod (2), concrete body (5) are all installed to the inside of first mount (4) and second mount (7), screw rod (6) are worn to be equipped with by the equal screw thread in top of first mount (4) and second mount (7), screw rod (6) and concrete body (5) looks butt, the bottom fixedly connected with pulley (11) of first mount (4).

2. The rapid-hardening concrete strength test device for bridge expansion joints according to claim 1, wherein: the top of base (10) has seted up guide way (16), guide way (16) are located between riser (8) and mounting panel (12), pulley (11) are located the inside of guide way (16).

3. The rapid-hardening concrete strength test device for bridge expansion joints according to claim 1, wherein: the bottom end of the base (10) is fixedly connected with an anti-slip pad (9).

4. The rapid-hardening concrete strength test device for bridge expansion joints according to claim 1, wherein: the first fixing frame (4) and the second fixing frame (7) are of concave structures, and openings of the first fixing frame (4) and the second fixing frame (7) are arranged oppositely.

5. The rapid-hardening concrete strength test device for bridge expansion joints according to claim 1, wherein: the electric push rod is characterized in that reinforcing frames (14) are fixedly connected to two sides of the electric push rod (1), screws (13) are arranged on the reinforcing frames (14) in a penetrating mode, and the screws (13) are in threaded connection with the mounting plate (12).

6. The rapid-hardening concrete strength test device for bridge expansion joints according to claim 1, wherein: the end surfaces of the first fixing frame (4) and the second fixing frame (7) which are in contact with the concrete body (5) are provided with anti-skid patterns (15).

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