CN217484328U

CN217484328U - Concrete uniformity testing device

Info

Publication number: CN217484328U
Application number: CN202221565511.4U
Authority: CN
Inventors: 张鹏; 孙耀雯; 王聪
Original assignee: Zhengzhou University
Current assignee: Zhengzhou University
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-09-23
Anticipated expiration: 2032-06-22

Abstract

The utility model discloses a concrete homogeneity testing arrangement, including the test tank body, test tank body top articulates there is the apron, the water inlet has been seted up on the apron, the delivery port has been seted up to test tank body bottom one side, the internal accredited testing organization that is provided with of test tank, the water inlet with the delivery port all with accredited testing organization corresponds the setting, test tank body bottom middle part fixedly connected with motor, accredited testing organization with motor drive connects, be provided with clean mechanism on the apron, clean mechanism stretches into the test tank is internal, and with accredited testing organization corresponds the setting. The utility model discloses simple structure, the cost is lower, is convenient for carry out the homogeneity at the job site to the concrete sample and detects, has avoided traditional manual cleaning, has judged, has improved the precision that detects, and the device is convenient for clean simultaneously, has reduced clean required amount of labour.

Description

Concrete uniformity testing device

Technical Field

The utility model relates to a concrete detection technology field especially relates to a concrete homogeneity testing arrangement.

Background

Concrete is one of the most important civil engineering materials of the present generation. The artificial stone is prepared by a cementing material, granular aggregate (also called aggregate), water, an additive and an admixture which are added if necessary according to a certain proportion, and is formed by uniformly stirring, compacting, forming, curing and hardening. The concrete has the characteristics of rich raw materials, low price, simple production process, high compressive strength, good durability, wide strength grade range and the like. These characteristics make it very widely used, not only in various civil engineering, that is shipbuilding, machinery industry, ocean development, geothermal engineering, etc., but also concrete is an important material.

The good or bad direct relation of concrete homogeneity is to cement concrete's workability, mechanical properties and life etc, current concrete homogeneity test is mainly for passing through the washing screening method in the laboratory, through the screening, washing, it is dry and weigh, and then calculate the homogeneity of evaluation concrete, the job site is to the test of concrete homogeneity, the washing process is gone on manually through the workman more, the homogeneity test is mostly artifical subjective judgement, the result error is great, still need send test sample to the laboratory when needing accurate data, waste time and energy, simultaneously because test sample is the concrete, easy bonding is on the screen cloth, the device washs more loaded down with trivial details. Therefore, a concrete uniformity testing device is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a concrete homogeneity testing arrangement to solve the problem that above-mentioned prior art exists.

In order to achieve the above object, the utility model provides a following scheme: the utility model provides a concrete homogeneity testing arrangement, including the test tank body, the articulated apron that has on test tank body top, the water inlet has been seted up on the apron, the delivery port has been seted up to test tank body bottom one side, the internal accredited testing organization that is provided with of test tank, the water inlet with the delivery port all with accredited testing organization corresponds the setting, the fixedly connected with motor in test tank body bottom middle part, accredited testing organization with motor drive connects, be provided with clean mechanism on the apron, clean mechanism stretches into the test tank is internal, and with accredited testing organization corresponds the setting.

Preferably, the testing mechanism comprises a rotating rod which is rotatably connected to the bottom end inside the testing tank body, the top end of the rotating rod is fixedly connected with a first screening net, a second screening net is fixedly connected inside the first screening net, gaps are formed between the outer wall of the first screening net and the inner wall of the testing tank body and between the inner wall of the first screening net and the outer wall of the second screening net, the bottom end of the rotating rod extends out of the bottom end of the testing tank body and is fixedly connected with an output shaft of the motor, and a plurality of heating pipes are fixedly connected to the inner wall of the testing tank body.

Preferably, the bottom end in the first screening net and the bottom end in the second screening net are fixedly connected with weighing devices, the display screen is fixedly connected to the outer side wall of the test tank body, and the weighing devices are electrically connected with the display screen.

Preferably, the test tank body inner wall top has seted up the spout along circumference, a plurality of pulleys are installed along circumference equidistant to first screening net outer wall top, the pulley with spout looks adaptation.

Preferably, clean mechanism is including seting up round hole on the apron, be provided with clean pole in the round hole, clean pole bottom stretches into in the second screening net, and with second screening net inside wall butt, be provided with the locating part in the round hole, clean pole with locating part looks adaptation.

Preferably, the locating part includes fixed connection and is in the downthehole supporting shoe of round, square spacing hole has been seted up at the supporting shoe middle part, the square stopper of cleaning rod top end fixedly connected with, square stopper with square spacing hole looks adaptation, square stopper top fixedly connected with limiting plate, the apron top is seted up threaded hole, the limiting plate pass through the bolt with the spacing cooperation of screw hole.

Preferably, a sealing ring is arranged between the cover plate and the test tank body, and the sealing ring is fixedly connected to the cover plate.

The utility model discloses a following technological effect: the utility model provides a pair of concrete homogeneity testing arrangement, simple structure, the cost is lower, is convenient for carry out the homogeneity to the concrete sample at the job site and detects, has avoided traditional artifical judgement, has improved the precision that detects, and the device is convenient for clean simultaneously, has reduced clean required amount of labour.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a schematic view of the internal structure of the device of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a schematic view of the top surface of the cover plate of the present invention;

FIG. 4 is a schematic view of the cleaning rod of the present invention;

wherein, 1, testing the tank body; 2. a cover plate; 3. a water inlet; 4. a water outlet; 5. a motor; 6. rotating the rod; 7. a first screening net; 8. a second screening mesh; 9. heating a tube; 10. a display screen; 11. a pulley; 12. a cleaning rod; 13. a support block; 14. a square limiting hole; 15. a square limiting block; 16. and a limiting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

The utility model provides a concrete homogeneity testing arrangement, including the

test tank body

1, 1 top of the test tank body articulates there is apron 2, the water inlet 3 has been seted up on the apron 2, delivery port 4 has been seted up to 1 bottom one side of the test tank body, be provided with accredited testing organization in the test tank body 1, water inlet 3 corresponds the setting with 4 even accredited testing organization of delivery port, 1 bottom middle part fixedly connected with motor 5 of the test tank body, accredited testing organization is connected with the motor 5 transmission, be provided with clean mechanism on the apron 2, clean mechanism stretches into in the test tank body 1, and correspond the setting with accredited testing organization.

In order to realize the test of the sample, the testing mechanism comprises a rotating rod 6 which is rotatably connected with the bottom end inside the testing tank body 1, the top end of the rotating rod 6 is fixedly connected with a first screening net 7, the inside of the first screening net 7 is fixedly connected with a second screening net 8, gaps are respectively arranged between the outer wall of the first screening net 7 and the inner wall of the testing tank body 1 and between the inner wall of the first screening net 7 and the outer wall of the second screening net 8, the first screening net 7 is a fine material screening net, the aperture of the screening net is 75 mu m, the second screening net 8 is a coarse material screening net, the aperture of the screening net is 5mm, the bottom end of the rotating rod 6 extends out of the bottom end of the testing tank body 1 and is fixedly connected with an output shaft of the motor 5, in order to dry the test material, the inner wall of the test tank body 1 is fixedly connected with a plurality of heating pipes 9, the heating pipes 9 are electric heating pipes, and the electric heating pipes are in the prior art and are not specifically described.

Further optimization scheme, in order to realize weighing of survey material after the screening, the equal fixedly connected with weighing device in the inside bottom of first screening net 7 and the inside bottom of second screening net 8, fixedly connected with display screen 10 on the 1 lateral wall of the test tank body, weighing device and display screen 10 electric connection, weighing device is the electronic scale, electronic scale and display screen 10 electric connection, measured numerical value is shown by display screen 10, electronic scale and display screen 10 are prior art, do not specifically explain.

Further optimization scheme, in order to further guarantee that first screening net 7 and second screening net 8 rotate the stability when screening, the spout has been seted up along circumference at 1 inner wall top of the test tank body, and a plurality of pulleys 11, pulley 11 and spout looks adaptation are installed along circumference equidistant at 7 outer wall tops of first screening net.

Further optimization scheme, in order to realize the inside cleanness of device, clean mechanism is including seting up the round hole on apron 2, be provided with clean pole 12 in the round hole, clean pole 12 bottom is stretched into in the second screening net 8, and with 8 inside wall butts of second screening net, be provided with the locating part in the round hole, clean pole 12 and locating part looks adaptation, in order to further guarantee clean effect, two brushes of fixedly connected with on the clean pole 12, two brushes respectively with 7 inside walls of first screening net and 8 inside wall butts of second screening net.

Further optimizing the scheme, in order to ensure stable contact between the cleaning rod 12 and the inner side wall of the second sieving net 8 in the cleaning process, the limiting part comprises a supporting block 13 fixedly connected in a round hole, a square limiting hole 14 is formed in the middle of the supporting block 13, a square limiting block 15 is fixedly connected to the top end of the cleaning rod 12, the square limiting block 15 is matched with the square limiting hole 14, a limiting plate 16 is fixedly connected to the top end of the square limiting block 15, a threaded hole is formed in the top end of the cover plate 2, the limiting plate 16 is in limiting fit with the threaded hole through a bolt, the total outer diameter of the cleaning rod 12 and the two brushes is smaller than the inner diameter of the square limiting hole 14, the cleaning rod 12 extends into the second sieving net 8 through the square limiting hole 14, the square limiting block 15 is clamped in the square limiting hole 14, the limiting plate 16 is abutted to the top end of the cover plate 2, a through hole is formed in the limiting plate 16, the through hole is aligned with the threaded hole, the bolt penetrates through hole and is in threaded connection with the threaded hole, the limit of the limit plate 16 is realized.

Further optimization scheme, in order to guarantee the leakproofness of the test tank body 1 in the test process and the cleaning process, a sealing ring is arranged between the cover plate 2 and the test tank body 1, and the sealing ring is fixedly connected to the cover plate 2.

The utility model provides a concrete homogeneity testing arrangement, adopt the washing screening method among the prior art, place the concrete that the stirring was accomplished in the second screening net 8, lock apron 2, density according to gathering materials, the quality sets up the rotational speed, drive first screening net 7 and second screening net 8 through motor 5 and rotate, screen the fine aggregate through first screening net 7, screen the coarse aggregate through second screening net 8, and realize the centrifugal separation of paddle, after screening, through heating pipe 9 stoving aggregate to the constant weight survey and get the aggregate weight, wash through water inlet 3 afterwards, the concrete mixture comprises water, cement and aggregate, remove the cement composition through the washing method, carry out drying process through heating pipe 9 after the washing is accomplished, it is thick, the fine aggregate is dried to the constant weight, it is thick, the fine weight shows on display screen 10, through to the washing around thick, the coarse weight is gathered materials, Numerical value calculation of fine aggregate, test concrete grading, accomplish the homogeneity test of concrete, when the device is inside to be washd, insert clean pole 12 through

square spacing hole

14, 15 joints of square stopper are in square spacing hole 14, it is fixed with limiting plate 16 through the bolt, drive first screening net 7 and second screening net 8 through motor 5 and rotate, clean pole 12 carries out cleaning to the concrete residue that bonds on first screening net 7 and the second screening net 8, open apron 2, invert test tank 1 and pour out residue waste water.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. The utility model provides a concrete homogeneity testing arrangement which characterized in that: including the test tank body (1), the articulated apron (2) that have in the test tank body (1) top, water inlet (3) have been seted up on apron (2), delivery port (4) have been seted up to test tank body (1) bottom one side, be provided with accredited testing organization in the test tank body (1), water inlet (3) with delivery port (4) all with accredited testing organization corresponds the setting, test tank body (1) bottom middle part fixedly connected with motor (5), accredited testing organization with motor (5) transmission is connected, be provided with clean mechanism on apron (2), clean mechanism stretches into in the test tank body (1), and with accredited testing organization corresponds the setting.

2. The concrete uniformity testing device of claim 1, wherein: testing mechanism connects including rotating dwang (6) of the inside bottom of the test tank body (1), dwang (6) top fixedly connected with first screening net (7), fixedly connected with second screening net (8) in first screening net (7), first screening net (7) outer wall with between the test tank body (1) inner wall with all be provided with the clearance between second screening net (8) outer wall, dwang (6) bottom is stretched out the test tank body (1) bottom, and with the output shaft fixed connection of motor (5), a plurality of heating pipes (9) of fixedly connected with on the test tank body (1) inner wall.

3. The concrete uniformity testing device of claim 2, wherein: the inside bottom of first screening net (7) with the equal fixedly connected with weighing device in the inside bottom of second screening net (8), fixedly connected with display screen (10) on the test tank body (1) lateral wall, weighing device with display screen (10) electric connection.

4. A concrete uniformity testing device according to claim 3, characterized in that: the test tank body (1) inner wall top has seted up the spout along circumference, a plurality of pulleys (11) are installed at equidistant along circumference in first screening net (7) outer wall top, pulley (11) with spout looks adaptation.

5. The concrete uniformity testing device of claim 2, wherein: clean mechanism is including seting up round hole on apron (2), be provided with clean pole (12) in the round hole, clean pole (12) bottom is stretched into in second screening net (8), and with second screening net (8) inside wall butt, be provided with the locating part in the round hole, clean pole (12) with locating part looks adaptation.

6. The concrete uniformity testing device of claim 5, wherein: the locating part includes fixed connection in downthehole supporting shoe (13) of circle, square spacing hole (14) have been seted up at supporting shoe (13) middle part, clean pole (12) top fixedly connected with square stopper (15), square stopper (15) with square spacing hole (14) looks adaptation, square stopper (15) top fixedly connected with limiting plate (16), apron (2) top set up threaded hole, limiting plate (16) pass through the bolt with the spacing cooperation of screw hole.

7. The concrete uniformity testing device of claim 1, wherein: a sealing ring is arranged between the cover plate (2) and the test tank body (1), and the sealing ring is fixedly connected to the cover plate (2).