CN211640360U - Precast concrete test block crack mould - Google Patents

Abstract

The utility model discloses a precast concrete test block crack mould belongs to concrete experiment mould technical field, including the mould body, its characterized in that: the die comprises a die body and is characterized in that a die piece support is detachably mounted on the die body, a die piece fixing seat is mounted on the die piece support through a torque hinge, the die piece fixing seat is arranged above the die body, and a crack die piece is fixed on the die piece fixing seat. The mould can be used for manufacturing the concrete test block with the prefabricated cracks and the concrete test block without the prefabricated cracks, the consistency of the test blocks is guaranteed, and the experiment precision is improved.

Description

A precast concrete test block crack mold

technical field

The utility model belongs to the technical field of concrete experimental mold construction, in particular to a prefabricated concrete test block crack mold.

Background technique

The concrete test block mold is one of the commonly used tools in the field of architectural experiments. It is widely used in construction sites and laboratories of various universities. In the process of making prefabricated cracks in concrete test blocks, it is difficult for the experimenter to accurately control the length (depth), width (thickness) and angle of the prefabricated cracks, which makes the prefabricated cracks deviate and affects the progress of the experiment.

At present, although some new molds have tried to solve the problem of the size and angular accuracy of prefabricated cracks in concrete blocks, these molds can only be used to prefabricate concrete blocks with cracks, while the non-crack test blocks used for comparison also need For other mold production, the error between different mold sizes will increase the error of the comparative experimental results. Therefore, it is necessary to design a mold that can be used to manufacture concrete blocks with prefabricated cracks and crack-free concrete blocks, so as to ensure the accuracy of the comparative experiments.

Utility model content

Aiming at the problems existing in the prior art, the utility model provides a prefabricated concrete test block crack mold which solves the problem that the existing mold cannot be commonly used for the manufacture of concrete test blocks with or without cracks.

The utility model is realized in this way, a prefabricated concrete test block crack mold, comprising a mold body, characterized in that: the mold body is detachably installed with a die bracket, and the die bracket is installed on the die bracket through a torque hinge A die fixing seat, the die fixing seat is arranged above the die body, and a split die is fixed on the die fixing seat.

In the utility model, the components used to manufacture the prefabricated cracks of the concrete test block, namely the die support, the die fixing seat and the crack die, etc., can be dismantled and assembled, so that the mold can manufacture the concrete test block without cracks, thereby The size consistency of the concrete test block with prefabricated cracks and the concrete test block without cracks is ensured, and the accuracy of the comparison experiment is improved. On the other hand, the angle of the die holder in the present invention can be adjusted at will through the torque hinge, which makes the adjustment of the split die more convenient.

Further, the die support is a portal frame body composed of a horizontal frame and vertical frames arranged on both sides of the horizontal frame, the horizontal frame includes two symmetrical lateral side plates, and the vertical frame is fixed. Vertical side panels at the ends of the transverse side panels.

Further, the outer wall of the mold body is provided with two vertical sockets symmetrical to each other, and the lower end of the vertical side plate of the die support is inserted into the vertical sockets of the mold body.

Further, the torque hinges are respectively installed on the inner side walls of the two lateral side plates of the die bracket, the torque hinges include a clamp arm, a bracket and a hinge shaft, and the clamp arms of the torque hinge are fixed on the lateral side plates. On the inner wall of the die, the two sides of the die fixing seat are respectively fixed on the brackets of the two torque hinges.

Further, the die fixing seat is provided with a die insertion slot extending along the axis direction of the hinge shaft, the split die is inserted in the die insertion slot, and the bracket is installed by screws. There are locking screws for fixing the relative position of the split die and die holder.

Description of drawings

FIG. 1 is a schematic structural diagram of Embodiment 1 of the present invention.

In the figure, 1, the mold body; 1-1, the vertical jack; 2, the die bracket; 2-1, the lateral side plate; 2-2, the vertical side plate; 3, the die holder; 4, the torque Hinge; 4-1, clamp arm; 4-2, bracket; 4-3, hinge shaft; 5, crack die; 6, locking screw.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model more clear, the present utility model will be further described in detail below with reference to the embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not intended to limit the present invention.

In order to solve the disadvantage that the existing molds cannot be generally used for the manufacture of concrete test blocks with or without cracks, the utility model provides a prefabricated concrete test block crack mold, which can be used to manufacture concrete test blocks with prefabricated cracks and without cracks. Prefabricated concrete test blocks with cracks to ensure the consistency of test blocks and improve experimental accuracy. In order to further illustrate the structure of the present utility model, the detailed description is as follows in conjunction with the accompanying drawings:

Example 1

Please refer to FIG. 1, a prefabricated concrete test block crack mold, including a mold body 1, the mold body includes four side plates and a bottom plate, the four side plates and a bottom plate enclose a mold groove with an upper opening.

The die support 2 is detachably mounted on the die body. The die support is a portal frame body formed by a horizontal frame and vertical frames arranged on both sides of the horizontal frame. The horizontal frame includes two lateral side plates 2-1 that are symmetrical to each other, and the vertical frame is a vertical side plate 2-2 fixed on the ends of the lateral side plates. In this embodiment, the vertical side plates are welded to the ends of the lateral side plates. The outer wall of the mold body is provided with two mutually symmetrical vertical insertion holes 1-1. In this embodiment, the two symmetrical outer walls of the mold body are welded with plugs, and the vertical plugs are formed between the plug blocks and the outer wall of the mold body. hole. The lower end of the vertical side plate of the die holder is inserted into the vertical socket of the die body, so that the die holder can be detachably mounted on the die body.

The die holder 3 is mounted on the die holder through a torque hinge. That is, the torque hinges 4 are respectively installed on the inner side walls of the two lateral side plates of the die bracket 2 . The torque hinge is a part of the prior art, which can be obtained through outsourcing on the e-commerce platform. The torque hinge model selected in this application is the HG-TB torque hinge. That is, the torque hinge includes a clamp arm 4-1, a bracket 4-2 and a hinge shaft 4-3. The clamp arm and the bracket are connected with a hinge shaft, and the clamp arm and the bracket can achieve 180° relative rotation, and can withstand a certain amount of torque. The clamping arm of the torque hinge is fixed on the inner wall of the lateral side plate, and the two sides of the die fixing seat are respectively fixed on the brackets of the two torque hinges. That is, the clip arm and the bracket of the torque hinge are provided with through holes, the clip arm of the torque hinge is fixed on the inner wall of the lateral side plate by screws, and the bracket of the moment hinge is connected with the die holder by screws. In this way, the die holder can be turned over by the hinge axis of the torque hinge as the axis, so as to change the angle of the split die mounted on the die holder.

The die holder is arranged above the die body, and a split die 5 is fixed on the die holder. In this embodiment, the die fixing seat is provided with a die insertion slot extending along the axis of the hinge shaft, the split die is inserted into the die insertion slot, and the bracket passes through the die insertion slot. A locking screw 6 for fixing the relative position of the split die and the die holder is installed on the thread. According to the experimental needs, choose different thicknesses of the crack die. After the thickness of the crack die is selected, insert the crack die into the die slot according to the length. Rotate the locking screw to make the top of the locking screw press against the crack die. The die holder is on the die holder.

The use process of the precast concrete test block crack mold is as follows:

1), install the vertical side plate of the die holder into the vertical jack of the die body, so that the die holder is firmly and stably installed on the die body;

2) According to the needs of the experiment, calculate the width (thickness) and length (depth) of the crack of the prefabricated test block, select the appropriate size of the steel sheet as the crack die and insert it into the die slot of the die holder, and according to The length (depth) needs to be placed in an appropriate position. After the position is fixed, tighten the locking screw so that the locking screw is pressed against the crack die without any slippage;

3), apply an external force to the crack die to generate torque and then rotate a certain angle with the hinge axis of the torque hinge as the axis and stop after reaching the preset experimental angle.

4) The part of inserting the steel sheet as the crack die into the die groove should be evenly coated with a layer of lubricating oil, and the concrete pouring of the die groove will be carried out in the later stage.

Embodiment 2

In this embodiment, the technical feature that is different from Embodiment 1 is only the detachable installation method of the die bracket and the die body, so other structures other than this are not described in this embodiment, specifically:

The outer wall of the mold body is provided with two threaded holes symmetrical to each other. The lower end of the vertical side plate of the die holder is provided with a through hole corresponding to the screw hole, and the die holder is fixed on the die body by a screw which penetrates through the through hole and is matched with the threaded hole of the die body, so as to realize the die holder. Removably mounted on the mold body.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner" and "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, with a specific orientation. Therefore, it should not be construed as a limitation on the present invention.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included in the present invention. within the scope of protection of the utility model.

Claims (5)

1. The utility model provides a precast concrete test block crack mould, includes the mould body, its characterized in that: the die comprises a die body and is characterized in that a die piece support is detachably mounted on the die body, a die piece fixing seat is mounted on the die piece support through a torque hinge, the die piece fixing seat is arranged above the die body, and a crack die piece is fixed on the die piece fixing seat.

2. The precast concrete test block crack mold of claim 1, wherein: the die piece support is a door-shaped support body formed by a transverse frame and vertical frames arranged at the two side parts of the transverse frame, the transverse frame comprises two transverse side plates which are mutually symmetrical, and the vertical frames are vertical side plates fixed at the end parts of the transverse side plates.

3. The precast concrete test block crack mold of claim 2, wherein: the die comprises a die body and is characterized in that two vertical insertion holes which are symmetrical to each other are formed in the outer wall of the die body, and the lower ends of vertical side plates of the die piece support are inserted into the vertical insertion holes of the die body.

4. The precast concrete test block crack mold of claim 3, wherein: the torque hinge is respectively installed on the inner side walls of two transverse side plates of the template support and comprises clamping arms, brackets and hinge shafts, the clamping arms of the torque hinge are fixed on the inner walls of the transverse side plates, and two side parts of the template fixing seat are respectively fixed on the brackets of the two torque hinges.

5. The precast concrete test block crack mold of claim 4, wherein: the supporting seat is provided with a supporting seat, the supporting seat is provided with a hinge shaft, the hinge shaft is hinged with the supporting seat, the supporting seat is provided with a hinge plate fixing seat, the hinge shaft is hinged with the supporting seat, the hinge plate fixing seat is provided with a hinge plate fixing seat, the hinge plate fixing seat is provided with a hinge plate inserting slit extending along the axis direction of the hinge.

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