CN213481836U

CN213481836U - Forming permeable concrete standard block pressing device

Info

Publication number: CN213481836U
Application number: CN202021661636.8U
Authority: CN
Inventors: 刘慧�; 廖延武; 韩建国
Original assignee: Sichuan Mianzhu New Material Co ltd
Current assignee: Sichuan Mianzhu New Material Co ltd
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2021-06-18
Anticipated expiration: 2030-08-11

Abstract

The utility model discloses a pressing device for a formed pervious concrete standard block, which relates to a concrete test mould, comprises a mould, a sleeve member and a pressing plate; the external member comprises a placing plate, wherein the placing plate is provided with heightening holes with the same number as the forming cylinders, the shape and the size of the heightening holes are consistent with those of the inner cavities of the forming cylinders, heightening frames with the same number as the forming cylinders are arranged on the placing plate, and the shape and the size of the cross sections of the inner cavities of the heightening frames are consistent with those of the inner cavities of the forming cylinders; the pressboard is including being used for exerting the top board of external force and with a shaping section of thick bamboo inner chamber assorted holding down plate, and the top board passes through the support arm to be connected with the holding down plate, and the figure of holding down plate is the same with a shaping section of thick bamboo figure, through adopting the external member that contains not co-altitude and increase the frame, cooperates the press again to carry out static suppression, realizes preparing the concrete test block that permeates water that the size is the same but the loose compression coefficient is different, and the laboratory of being convenient for carries out different tests.

Description

Forming permeable concrete standard block pressing device

Technical Field

The utility model relates to a concrete test mould especially relates to a shaping concrete standard block suppression device that permeates water.

Background

The use of pervious concrete and the development of the technology mainly meet the current requirements on water resource and environment protection, water quality maintenance in the rainfall discharge process and urban waterlogging phenomenon prevention caused by rainfall, and secondly control on driving safety and road noise.

Although pervious concrete has been put into practical use in engineering, it is still necessary to prepare standard test blocks in laboratories for testing compressive strength, flexural strength, permeability coefficient, porosity, etc. When the pervious concrete test block is prepared in a laboratory of the company, firstly, a mould is placed on a movable plate, then a pervious concrete mixture is filled into a mould cavity of the mould, then the pervious concrete mixture is leveled by using a scraper so that pervious concrete is filled in the mould cavity, then the plate is conveyed onto a press (model YES-200), and the pervious concrete test block is formed by static compression of the press. Because pervious concrete mixture can diminish under the pressure effect, so when realizing different pine and spread compression factor, the test block that same mould suppression was come is not of uniform size, will bring the scheduling problem of test result conversion when carrying out other parameter contrasts, will enlarge measuring error, perhaps need polish the pervious concrete test block and prepare into the sample that the size is the same, has increased extra work load again. Therefore, the existing molding pervious concrete pressing device needs to be improved to solve the problem of preparing standard test blocks in a laboratory.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shaping concrete standard block suppression device that permeates water solves the problem that laboratory preparation standard test block size is nonuniform.

In order to realize the purpose, the utility model discloses a technical scheme is: a pressing device for forming a pervious concrete standard block comprises a die, wherein the die comprises an upper supporting plate, a lower supporting plate and at least one forming cylinder, forming holes with the same number and size as the forming cylinders are formed in the upper supporting plate and the lower supporting plate, the forming cylinders are fixedly arranged between the upper supporting plate and the lower supporting plate, and the pressing device also comprises a sleeve and a pressing plate; the external member is including being used for placing the board of placing in the backup pad, place and offer the hole that increases the same with a shaping section of thick bamboo figure on the board, it is unanimous with the inner chamber of a shaping section of thick bamboo to increase hole shape, size, it is equipped with the frame that increases the same with a shaping section of thick bamboo figure to place on the board, it is unanimous with the shape of cross section, the size of a shaping section of thick bamboo inner chamber to increase the shape of cross section, the size of frame inner. The pressboard is including the top board that is used for exerting external force and with a shaping section of thick bamboo inner chamber assorted holding down plate, the top board passes through the support arm and is connected with the holding down plate, the figure of holding down plate is the same with a shaping section of thick bamboo figure, the holding down plate can pass in proper order under the effect of power and increase the frame and increase the hole and reach in the shaping section of thick bamboo.

Preferably, the kit further comprises a limiting frame fixedly connected to the placing plate, and the limiting frame is sleeved on the side wall of the upper supporting plate.

Preferably, the support arm is prism-shaped.

Preferably, the number of the forming cylinders is three.

Preferably, the cross section of the forming cylinder is square, and the size of the inner cavity of the forming cylinder is 100mm by 100 mm.

Preferably, the distance from the end face of the heightening frame far away from the placing plate to the mold is 9-20 mm.

Preferably, the distance from the end face of the heightening frame far away from the placing plate to the mold is 15 mm.

Compared with the prior art, the utility model has the advantages of:

firstly, the external members containing heightening frames with different heights can be replaced on the die, and then the static pressing is carried out by matching with a press machine, so that pervious concrete test blocks which are the same in size but different in loose paving compression coefficient are prepared, and the sizes are all the same standard 100mm, so that the comparison of test results of the compression strength, the bending strength, the permeability coefficient, the porosity and the like of the subsequent pervious concrete test blocks is facilitated, and different tests of the test samples are facilitated in a laboratory;

the structure is simple, the die can be matched with the original die for use, and the comprehensive cost is low;

and thirdly, the number of the heightening frames and the number of the forming cylinders of the kit are the same, a plurality of pervious concrete test blocks with the same loose paving compression coefficient can be prepared simultaneously, the manufacturing efficiency is high, and the performance of the standard test blocks prepared in the same batch is close to that of the standard test blocks prepared in the same batch.

Drawings

FIG. 1 is a schematic structural view of a mold;

FIG. 2 is a schematic structural view of the kit;

FIG. 3 is a schematic view of a pressed board construction;

fig. 4 is a schematic view of the usage state of the present invention.

In the figure: 1. a mold; 11. an upper support plate; 12. a forming cylinder; 13. a lower support plate; 2. a kit; 21. placing the plate; 22. heightening frames; 23. a limiting frame; 3. pressing a plate; 31. an upper pressure plate; 32. a support arm; 33. a lower pressing plate; 4. a plate material.

Detailed Description

The present invention will be further explained below.

Example 1:

referring to fig. 1, the pressing device for forming a permeable concrete standard block is shown in the drawing, and relates to a concrete test mold 1, which comprises a mold 1, wherein the mold 1 comprises an upper support plate 11, a lower support plate 13 and at least one forming cylinder 12, in the implementation, the mold 1 with three mold cavities is preferably selected, namely the three forming cylinders 12, the mold 1 with the three mold cavities can simultaneously manufacture three test blocks, so that the manufacturing speed of the test blocks is effectively improved, manpower resources are saved, the preparation processes of the test blocks with the same loose laying compression coefficient can be ensured to be the same in subsequent tests, and further, the consistency of the test blocks with the same loose laying compression coefficient before other tests is ensured. Of course, for the field, the mold 1 with one mold cavity or two mold cavities, or even five mold cavities, may be selected, and in practical use, different molds 1 may be selected according to practical situations. Wherein the forming cylinder 12 is fixedly arranged between an upper supporting plate 11 and a lower supporting plate 13, the lower supporting plate 13 and the upper supporting plate 11 are arranged in the same way, so that the upper supporting plate 11 and the lower supporting plate 13 are arranged, and the upper end surface and the lower end surface of the die 1 can be distinguished in the using process. And the upper supporting plate 11 and the lower supporting plate 13 are both provided with forming holes with the same number and size as the forming cylinders 12. Wherein the forming cylinder 12 is prism-shaped, and the size of the inner cavity is 100mm for the convenience of subsequent test. The forming cylinder 12 arranged in this way enables the test block sizes to be all standard 100mm by 100mm, and facilitates the performance of subsequent test tests and the subsequent data calculation.

Referring to fig. 2 and fig. 3, in the present embodiment, the package further includes a package 2 and a pressing plate 3, wherein the package 2 includes a placing plate 21, three heightening holes are formed in the placing plate 21, and the size and shape of the three heightening holes are the same as the shape and size of the forming cylinder 12, specifically, the length and width of the three heightening holes are 100mm x 100 mm. Meanwhile, the placing plate 21 is provided with heightening frames 22 the same as the forming tubes 12 in number, and the cross section shape and size of the inner cavity of the heightening frame 22 are consistent with the cross section shape and size of the inner cavity of the forming tube 12, specifically, the length and width of the inner cavity of the heightening frame 22 are 100mm x 100 mm. Meanwhile, for the convenience of processing, the three heightening frames 22 and the placing plate 21 are integrally arranged, and the three heightening frames 22 and the placing plate 21 are also integrally arranged. In addition, because test blocks with different loose-spread compression coefficients need to be manufactured in the experiment, the distance from the end face of the heightening frame 22 far away from the placing plate 21 to the mold 1 is 10-20mm, the heightening frames 22 with different heights can be changed and used in combination with the size of the forming cylinder 12, and samples with different loose-spread compression coefficients can be obtained, in the embodiment, the distance from the end face of the heightening frame 22 far away from the placing frame to the mold 1 is preferably 15mm, so that the samples with the standard specification of 100mm x 100mm and the loose-spread compression coefficient of 1.15 can be statically pressed by a press (not shown in the figure). In order to limit the possibility of displacement of the placing plate 21 during the pressing of the test sample, the kit 2 further comprises a limiting frame 23 fixedly connected to the placing plate 21, and the limiting frame 23 is sleeved on the side wall of the upper support plate 11. Particularly, external member 2 is by last under to in proper order for increasing frame 22, place board 21, spacing frame 23, and meanwhile spacing frame 23 that sets up like this also can make things convenient for the experimenter to place external member 2 on mould 1, realizes that the accuracy will increase the effect that hole and shaping hole align, and accurate say that be convenient for make increase the hole, increase frame 22 and become the alignment of 12 three of a section of thick bamboo, subsequent system appearance of being convenient for.

Referring to fig. 3, it is shown that the pressing plate 3 includes an upper pressing plate 31 for applying an external force and a lower pressing plate 33 matched with an inner cavity of the forming cylinder 12, the lower pressing plate 33 is used for applying a pressure to the pervious concrete mixture, wherein the number of the lower pressing plates 33 is three, the three lower pressing plates 33 are respectively and fixedly connected with the upper pressing plate 31 through three supporting arms 32, and the lower pressing plates 33 can sequentially penetrate through the heightening frame 22 and the heightening holes to reach the inside of the forming cylinder 12 under the action of a force. In the present embodiment, in order to equalize the forces transmitted by the upper platen 31 to the lower platen 33 and to achieve the uniformity of the three sample preparation pressures, the supporting arms 32 are prism-shaped, and the cross-sectional area of the supporting arms 32 occupies four fifths of the area of the lower platen 33.

The specific using process is shown in fig. 4:

A. placing the lower support plate 13 of the mould 1 on the movable sheet 4; B. placing the sleeve 2 on the upper template of the mould 1; C. respectively filling the pervious concrete mixture into the cavities of the three forming cylinders 12 and the three heightening frames 22; D. using a scraper to trowel the pervious concrete mixture so that the forming cylinder 12 and the heightening frame 22 are filled with 100mm by 115mm pervious concrete; E. then, the die 1 and the sleeve 2 are conveyed to a press machine by conveying the plate 4, and the lower pressing plate 33 of the pressing plate 3 is placed in the area of the cavity of the heightening frame 22; F. the standard permeable concrete test block with the thickness of 100mm x 100mm can be manufactured by setting the pressing displacement of 15mm for pressing through the static force of a press. The force value of the standard pervious concrete test block pressed by the displacement of 15mm can be recorded by the press machine, and the important data support of the compaction force in the actual engineering is provided.

In the case of the example 2, the following examples are given,

this embodiment is different from embodiment 1 in that the distance from the end face of the heightening frame 22 remote from the placing plate 21 to the mold 1 is 10mm, and the rest is the same.

The specific procedure used differs from example 1 in that the press is set to a pressing displacement of 10mm by the static force of the press.

In the case of the example 3, the following examples are given,

this embodiment is different from embodiment 1 in that the distance from the end face of the heightening frame 22 away from the placing plate 21 to the mold 1 is 20mm, and the rest is the same.

The specific procedure used differs from example 1 in that the press is set to a pressing displacement of 20mm by the static force of the press.

In the embodiment, the specific connection mode of each mentioned part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, machines, parts and equipment adopt conventional models in the prior art, and circuit connection adopts a conventional connection mode in the prior art, and detailed description is omitted here.

The above description is made in detail for the forming permeable concrete standard block pressing device provided by the present invention, and the specific examples are applied herein to explain the principle and the implementation of the present invention, and the description of the above examples is only used to help understanding the method and the core idea of the present invention; while the invention has been described in terms of specific embodiments and applications, it will be apparent to those skilled in the art that numerous variations and modifications can be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. The utility model provides a shaping concrete standard block suppression device that permeates water, includes mould (1), and mould (1) includes backup pad (11), bottom suspension fagging (13) and at least one shaping section of thick bamboo (12), upward all set up on backup pad (11) and bottom suspension fagging (13) with shaping section of thick bamboo (12) figure and the same shaping hole of size, shaping section of thick bamboo (12) are fixed to be set up between backup pad (11) and bottom suspension fagging (13), its characterized in that: the pressing plate is characterized by also comprising a kit (2) and a pressing plate (3);

the kit (2) comprises a placing plate (21) placed on an upper supporting plate (11), wherein the placing plate (21) is provided with heightening holes with the same number as the forming cylinders (12), the heightening holes are consistent with the inner cavities of the forming cylinders (12) in shape and size, heightening frames (22) with the same number as the forming cylinders (12) are arranged on the placing plate (21), and the cross section shape and size of the inner cavities of the heightening frames (22) are consistent with the cross section shape and size of the inner cavities of the forming cylinders (12);

the pressboard (3) including be used for exerting external force top board (31) and with a shaping section of thick bamboo (12) inner chamber assorted holding down plate (33), top board (31) are connected with holding down plate (33) through support arm (32), the figure of holding down plate (33) is the same with a shaping section of thick bamboo (12) figure, holding down plate (33) can pass in proper order under the effect of power and increase frame (22) and increase the hole and reach in a shaping section of thick bamboo (12).

2. The pressing device for forming the pervious concrete standard block according to claim 1, wherein: the kit (2) further comprises a limiting frame (23) fixedly connected to the placing plate (21), and the limiting frame (23) is sleeved on the side wall of the upper supporting plate (11).

3. The pressing device for forming the pervious concrete standard block according to claim 2, wherein: the support arm (32) is prism-shaped.

4. The pressing device for forming the pervious concrete standard block according to claim 1, wherein: the number of the forming cylinders (12) is three.

5. The pressing device for forming the pervious concrete standard block according to claim 1, wherein: the cross section of the forming cylinder (12) is square, and the size of the inner cavity of the forming cylinder (12) is 100mm by 100 mm.

6. The apparatus for pressing the standard blocks for forming the pervious concrete according to any one of claims 1 to 5, wherein: the distance between the end face of the heightening frame (22) far away from the placing plate (21) and the mold (1) is 9-20 mm.

7. The pressing device for forming the pervious concrete standard block according to claim 6, wherein: the distance between the end face of the heightening frame (22) far away from the placing plate (21) and the die (1) is 15 mm.