CN220251569U - Direct stretching device for combined concrete interface - Google Patents

Abstract

The utility model discloses a combined concrete interface direct stretching device, which relates to the technical field of dies, and comprises a combined pouring die, wherein a pouring bin is formed in the die, stretching screws are arranged at the opposite ends of the die and are connected with a tension device, the combined pouring die is of a symmetrical structure, namely, the combined pouring die comprises two half-structure identical and equal-size combined half dies which are respectively a first half-combined die set and a second half-combined die set, the first half-combined die set and the second half-combined die set are combined and connected through a sliding buckling mechanism, the connecting end surfaces of the first half-combined die set and the second half-combined die set form a stretching interface, a partition plate is detachably arranged at the stretching interface, the stretching experiment is carried out on a pouring piece by acting on the stretching screws through the tension device, the integrity of a test piece is ensured, two different types of concrete bonding interfaces are ensured at the stretching interface, and the fracture degree or the stretching condition of the combined concrete at the stretching interface in the stretching process is observed.

Description

Direct stretching device for combined concrete interface

Technical Field

The utility model belongs to the technical field of molds, and particularly relates to a combined concrete interface direct stretching device.

Background

Concrete is the most widely used building material in the world today with the greatest amount. In order to take into account resource, energy and ecological coordination developments, concrete materials need sustainable development and innovation. The combined concrete is gradually moved into the field of view of the general public and is widely applied to various engineering structures. The tensile property of the combined concrete interface plays an important role in the performance of the concrete structure, and the effective measurement of the tensile property of the combined concrete structure interface is particularly important.

The direct stretching method can directly measure the tensile bonding strength of the interface of the combined concrete, but the existing die of the test piece cannot enable the interface area of the combined concrete to be cast and molded at the same time, and in the stretching process, the fracture of the test piece in the interface area cannot be determined.

Disclosure of Invention

The utility model aims to provide a direct stretching device for a combined concrete interface, which can directly carry out stretching experiment operation without removing a mould, can ensure that a fracture surface of a concrete test piece is at a stretching interface in the stretching process, and can also realize the problem of simultaneous pouring and forming of combined concrete materials. The specific technical scheme is as follows:

the utility model provides a direct stretching device in combination concrete interface, includes the combination pouring mould, form in the combination pouring mould and pour the storehouse, the combination pouring mould is equipped with tensile screw rod in relative both ends department, the combination pouring mould is including first half close module and second half close module, first half close module and second half close the module and connect through sliding fastening mechanism, the terminal surface that connects of first half close module and second half close module forms tensile interface, tensile interface department detachable is equipped with the baffle, tensile screw rod connects the pulling force device.

Preferably, the combined pouring mold is of a symmetrical structure, and the first half-combined module and the second half-combined module are identical in structure.

Preferably, the first half-die assembly comprises a bottom plate, a left side plate, a right side plate, end plates, a top plate and a connecting plate, wherein the left side plate and the right side plate are mutually parallel and are respectively connected with two opposite side surfaces of the bottom plate through mounting bolts, the left side plate and the right side plate are far away from the stretching interface end and towards the casting bin, a clamping groove is formed in the casting bin, the end plates are inserted into the clamping groove, the top plate is connected with the upper end surfaces of the left side plate and the right side plate through top plate mounting bolts, the connecting plate is connected with the end surfaces of the left side plate and the right side plate, which are far away from the stretching interface end, the stretching screw is mounted on the connecting plate, and the bottom plate, the left side plate, the right side plate, the end plates and the top plate jointly form the casting half bin.

Preferably, the stretching screw is arranged at the middle part of the connecting plate and faces away from the pouring half bin.

Preferably, the left side plate and the right side plate are located at the stretching interface end and protrude outwards from the pouring bin to be provided with a mounting wing plate, any one of the left side plate and the right side plate is provided with a sliding buckling mechanism on the mounting wing plate, the sliding buckling mechanism comprises a sliding rail, a sliding block, a buckling plate and a locking block, the locking block comprises a screwing block and a threaded rod, the sliding rail is arranged on the mounting wing plate, the sliding block is arranged on the sliding rail in a sliding mode, the buckling plate is arranged on the sliding block, the buckling plate is provided with a threaded hole, the locking block is in threaded connection with the threaded hole, and the threaded rod is pressed onto the surface of the mounting wing plate through rotation of the locking block so that the first half-closing module and the second half-closing module are tightly connected.

Preferably, a plurality of firmware bolts are arranged in the pouring half bin, and the firmware bolts are arranged on the left side plate and the right side plate.

Preferably, the upper end surfaces of the left side plate and the right side plate are provided with a partition plate An Chakong, the partition plate is provided with a jack column, the jack column is installed in the partition plate An Chakong, and the bottom surface of the partition plate and the opposite side surfaces are tightly attached to the inner wall of the pouring bin.

Preferably, the installation end of the partition plate is in an I-shaped structure.

Preferably, the partition board is made of pvc.

Preferably, the combined pouring die is made of light steel.

Compared with the prior art, the utility model has the following beneficial effects:

the direct stretching device for the combined concrete interface has the advantages of simple structure, convenience in operation and low manufacturing cost, can realize stretching experiment operation without die stripping, can ensure that a fracture surface of a concrete test piece is at a stretching interface in the stretching process, can realize the problem of simultaneous pouring and forming of combined concrete materials, and ensures the integrity of the test piece.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are required to be used in the description of the embodiments will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.

FIG. 1 is a schematic diagram of the overall mold closing structure of the present utility model.

Fig. 2 is a schematic diagram of the cast state of the integral structure of the present utility model.

The main reference numerals illustrate:

1-combined pouring die, 1-1-pouring bin, 1-1-mounting wing plate, 1-2-first half-combined module, 1-2-1-bottom plate, 1-2-2-left side plate, 1-2-3-right side plate, 1-2-4-end plate, 1-2-5-top plate, 1-2-6-connecting plate, 1-3-second half-combined module,

the device comprises a 2-stretching screw, a 3-sliding buckling mechanism, a 4-partition plate, a 5-mounting bolt, a 6-sliding rail, a 7-sliding block, an 8-buckling plate, a 9-locking block, a 9-1-screwing block, a 9-2-threaded rod, a 10-fixing bolt and a 11-top plate mounting bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "inside", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The terms "first," "second," "third," and the like, if any, are used for descriptive purposes only and for distinguishing between technical features and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

Examples

As shown in fig. 1 and fig. 2, a direct stretching device for a combined concrete interface comprises a combined pouring die 1, wherein a light steel material is selected for the combined pouring die 1, a pouring bin 1-1 is formed in the combined pouring die 1, stretching screws 2 are arranged at two opposite ends of the combined pouring die 1 and are connected with a tension device, the combined pouring die is of a symmetrical structure, namely, the combined pouring die 1 comprises two half-structure identical and equal-size combined half dies which are respectively a first half-combined die set 1-2 and a second half-combined die set 1-3, the first half-combined die set 1-2 and the second half-combined die set 1-3 are connected in a combined mode through a sliding buckling mechanism 3, a stretching interface is formed on the connecting end faces of the first half-combined die set 1-2 and the second half-combined die set 1-3, a partition plate 4 is detachably arranged at the stretching interface, the stretching screw 2 is acted through the tension device, the stretching experiment is performed without disassembling a die, and the fracture or the stretching condition of the combined concrete at the stretching interface in the stretching process is observed.

The semi-combination module has the following specific structure:

the first semi-closed module 1-2 (the second semi-closed module 1-3) comprises a bottom plate 1-2-1, a left side plate 1-2-2, a right side plate 1-2-3, an end plate 1-2-4, a top plate 1-2-5 and a connecting plate 1-2-6, wherein the left side plate 1-2-2 and the right side plate 1-2-3 are mutually parallel and are respectively connected with two opposite side surfaces of the bottom plate 1-2-1 through mounting bolts 5, the left side plate 1-2-2 and the right side plate 1-2-3 are far away from the stretching interface end towards the casting bin 1-1, the end plate 1-2-4 is inserted into the clamping groove, the top plate 1-2-5 is connected with the upper end surfaces of the left side plate 1-2-2 and the right side plate 1-2-6 through top plate mounting bolts 11, the left side plate 1-2-2 and the right side plate 1-2-3 are far away from the stretching interface end surface of the left side plate 1-2-2 and the right side plate 1-2-3, the top plate 1-2-3 is arranged on the connecting plate 1-2-2, and the top plate 1-2-3 is arranged on the top plate and the top plate 1-2-3.

In the utility model, a plurality of firmware bolts 10 are arranged in the pouring half bin, and the firmware bolts 10 are arranged on the left side plate 1-2-2 and the right side plate 1-2-3.

The stretching screw rod 2 is arranged at the middle position of the connecting plates 1-2-6 and faces away from the pouring half bin.

In the utility model, the left side plate 1-2-2 and the right side plate 1-2-3 are positioned at the stretching interface end and are provided with the installation wing plate 1-1-1 in a protruding way towards the outside of the pouring bin 1-1, the installation wing plate 1-1-1 of any one of the left side plate 1-2-2 or the right side plate 1-2-3 is provided with the sliding buckling mechanism 3, the sliding buckling mechanism 3 comprises a sliding rail 6, a sliding block 7, a buckling plate 8 and a locking block 9, the locking block 9 comprises a screwing block 9-1 and a threaded rod 9-2, the sliding rail 6 is installed on the installation wing plate 1-1-1, the sliding block 7 is arranged on the sliding rail 6 in a sliding way, the buckling plate 8 is installed on the sliding block 7, the buckling plate 8 is provided with a threaded hole, the locking block 9 and the threaded hole are in a threaded connection way, and the locking block 9-2 is pressed against the surface of the installation wing plate 1-1-1 by rotating the locking block 9 so that the first half-2 module and the second half-module 1-3 are tightly connected.

In the utility model, the upper end surfaces of the left side plate 1-2-2 and the right side plate 1-2-3 are provided with the partition plates An Chakong, the partition plates 4 are provided with jack columns, the jack columns are arranged in the partition plates An Chakong, the bottom surfaces and the opposite side surfaces of the partition plates 4 are tightly attached to the inner wall of the pouring bin 1-1, the mounting ends of the partition plates 4 are in an I-shaped structure, and the partition plates 4 are made of pvc.

The working principle in this embodiment is described in detail below to make the person skilled in the art more aware of the present utility model:

the application method of the combined concrete interface direct stretching device comprises the following steps:

s1: the left side plate 1-2-2 and the right side plate 1-2-3 are parallelly arranged at two sides of the upper surface of the bottom plate 1-2-1 through four mounting bolts 5;

s2: inserting the end plate 1-2-4 into the clamping grooves on the left side plate 1-2-2 and the right side plate 1-2-3, so that the end plate 1-2-4, the left side plate 1-2-2 and the right side plate 1-2-3 enclose a rectangular pouring half bin in an open mode;

s3: mounting a fixing bolt 10 for fixing a fixing member into the pouring half bin, wherein the fixing bolt is used for serving as a supporting beam of a pouring member, so that concrete after pouring is fixed in a mould, and the pouring member is ensured not to deviate in a stretching experiment;

s4: the two assembled half-combined modules are connected through a sliding buckling mechanism 3;

s5: inserting a partition plate 4 at a stretching interface, wherein two rectangular pouring half-cabins are formed between the partition plate 4 and two adjacent half-assembling modules;

s6: respectively injecting two different types of concrete into the two pouring half bins, vibrating by using a vibrating table after pouring is completed, enabling the concrete to be fully attached to the wall surface of the module, and vibrating out gas in the material to form a wall surface pouring casting, wherein bubbles exist in the wall surface pouring casting to influence a later stretching experiment;

s7: after the vibration of the S6 is completed, the partition board 4 is removed, and the vibration table is used for vibration again, wherein the purpose of the vibration is to mix two different types of concrete at the stretching interface;

s8: after the concrete is hardened, the top plate 1-2-5 is mounted on the upper end surfaces of the left side plate 1-2-2 and the right side plate 1-2-3 through the top plate mounting bolts 11, and corresponding gaskets are further arranged in the top plate 1-2-5, so that the concrete is molded in the closed pouring bin 1-1 for better fixing the concrete;

s9: and installing a stretching screw rod 2 at the middle of the end parts of the connecting plates 1-2-6, and connecting the stretching screw rod 2 to a tension device, so that a tensile machine is used for carrying out a stretching test on the concrete test piece and the mould together, and the stretching without removing the mould is realized.

In summary, the combined concrete interface direct stretching device can enable the fracture surface of the test piece to be in the interface area of the combined concrete; the die can ensure that two different types of concrete bonding interfaces are positioned at the stretching interface, and can also carry out stretching experiment operation without disassembling the die, so that the integrity of a test piece is ensured, and the die is easy to disassemble and convenient to carry; the die is provided with the bolts for fixing the concrete, so that the concrete is prevented from sliding in the stretching process, and the fracture surface is better realized in the interface area of the combined concrete; in the stretching process, the stretching without die stripping is realized, and the operation is convenient.

The foregoing description of specific exemplary embodiments of the utility model has been presented for the purpose of illustration and description, but it is not intended to limit the utility model to the precise form disclosed, and it is apparent that many changes and modifications may be made in accordance with the above teachings, and while embodiments of the utility model have been shown and described, this specific embodiment is merely illustrative of the utility model and not restrictive, the particular features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner, the exemplary embodiments being selected and described for the purpose of explaining the specific principles of the utility model and its practical application, so that modifications, substitutions, variations, and various other changes may be made to the embodiments without creatively departing from the principles and spirit of the utility model as desired by those skilled in the art without departing from the scope of the patent claims.

Claims (10)

1. The utility model provides a direct stretching device in combination concrete interface, includes combination pouring mould (1), its characterized in that, form in combination pouring mould (1) and pour storehouse (1-1), combination pouring mould (1) relative both ends department is equipped with tensile screw rod (2), combination pouring mould (1) is including first half compound die group (1-2) and second half compound die group (1-3), connect through slip buckling mechanism (3) between first half compound die group (1-2) and second half compound die group (1-3), the terminal surface that connects of first half compound die group (1-2) and second half compound die group (1-3) forms tensile interface, tensile interface department detachable is equipped with baffle (4), tensile screw rod (2) connect tensile force device.

2. The direct drawing device for the combined concrete interface according to claim 1, wherein the combined casting mold is of a symmetrical structure, and the first half mold assembly (1-2) and the second half mold assembly (1-3) are identical in structure.

3. The direct stretching device for a combined concrete interface according to claim 1, wherein the first half mold clamping unit (1-2) comprises a bottom plate (1-2-1), a left side plate (1-2-2), a right side plate (1-2-3), an end plate (1-2-4), a top plate (1-2-5) and a connecting plate (1-2-6), the left side plate (1-2-2) and the right side plate (1-2-3) are parallel to each other and are respectively connected with two opposite side surfaces of the bottom plate (1-2-1) through mounting bolts (5), the left side plate (1-2-2) and the right side plate (1-2-3) are provided with clamping grooves in the pouring bin (1-1) far away from the stretching interface end, the end plate (1-2-4) is inserted into the clamping grooves, the top plate (1-2-5) is connected with the left side plate (1-2-2) and the right side plate (1-3) through top plate mounting bolts (11), the connecting plate (1-2-6) is connected with the end faces of the left side plate (1-2-2) and the right side plate (1-2-3) far away from the stretching interface end through connecting plate mounting bolts (5), the stretching screw (2) is mounted on the connecting plate (1-2-6), and the bottom plate (1-2-1), the left side plate (1-2-2), the right side plate (1-2-3), the end plate (1-2-4) and the top plate (1-2-5) jointly form a pouring half bin.

4. A combined concrete interface direct stretching apparatus according to claim 3, wherein the stretching screw (2) is arranged at the middle position of the connecting plate (1-2-6) and faces away from the pouring half bin.

5. The direct stretching device for the combined concrete interface according to claim 3, wherein the left side plate (1-2-2) and the right side plate (1-2-3) are positioned at the stretching interface end and are outwards protruded with a mounting wing plate (1-1-1) towards the pouring bin (1-1), the mounting wing plate (1-1-1) of any one of the left side plate (1-2-2) or the right side plate (1-2-3) is provided with the sliding buckling mechanism (3), the sliding buckling mechanism (3) comprises a sliding rail (6), a sliding block (7), a buckling plate (8) and a locking block (9), the locking block (9) comprises a screwing block (9-1) and a threaded rod (9-2), the sliding rail (6) is mounted on the mounting wing plate (1-1), the sliding block (7) is slidingly arranged on the sliding rail (6), the buckling plate (8) is mounted on the sliding block (7), the buckling plate (8) is provided with a threaded hole (9) in a threaded connection with the locking block (9), the threaded rod (9-2) is pressed against the surface of the installation wing plate (1-1-1) so as to tightly connect the first half-closing module (1-2) and the second half-closing module (1-3).

6. A combined concrete interface direct stretching device according to claim 3, wherein a plurality of firmware bolts (10) are arranged in the pouring half bin, and the firmware bolts (10) are arranged on the left side plate (1-2-2) and the right side plate (1-2-3).

7. A combined concrete interface direct stretching device according to claim 3, wherein the upper end surfaces of the left side plate (1-2-2) and the right side plate (1-2-3) are provided with a partition board An Chakong, the partition board (4) is provided with a jack post, the jack post is installed in the partition board An Chakong, and the bottom surface and the opposite side surfaces of the partition board (4) are tightly attached to the inner wall of the pouring bin (1-1).

8. A combined concrete interface direct drawing device according to claim 1, characterized in that the mounting end of the partition (4) is in an i-shaped structure.

9. A combined concrete interface direct stretching device according to claim 1, wherein the partition board (4) is made of pvc material.

10. The direct drawing device for the combined concrete interface according to claim 1, wherein the combined pouring die (1) is made of light steel.