Concrete accelerator setting time testing equipment

Abstract

The utility model discloses concrete accelerator setting time testing equipment which comprises a testing operation table, the upper surface of the testing operation table is fixedly connected with three installation fixing plates, and the upper surfaces of the three installation fixing plates are all fixedly provided with heat preservation transparent box bodies. According to the utility model, the first water suction pump is started, the first water suction pump pumps water in the constant-temperature water tank, the water enters the heat-insulating transparent box body through the first water suction pipe, the second water suction pump is started, the second water suction pump pumps water in the heat-insulating transparent box body through the second water suction pipe, and the water flows back into the constant-temperature water tank, so that the temperature of the constant-temperature water tank at different temperatures can be obtained. The setting time data of the concrete and the diversified setting time data provide more accurate data support for different construction environments.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of setting time test, especially relates to a concrete accelerator setting time test equipment. BACKGROUND

[0002] After concrete processing, the performance parameters of concrete need to be detected, and the setting time of concrete is an important parameter in the performance detection of concrete; the concrete accelerator is an admixture mixed into concrete to make the concrete harden rapidly; the main types are inorganic salt and organic matter, and the mixing amount of the powder solid is only 2% to 3% of the cement amount in concrete, but it can make the concrete initial set and set in a short time.

[0003] In order to analyze the setting time of the concrete using the accelerator, the test equipment needs to be used to test the concrete sample, obtain the setting condition of the concrete using the accelerator, and provide data for the subsequent construction of the concrete, some test equipment uses a test needle to test, and the displacement sensor is used to detect the moving distance of the test needle to obtain the setting time data of the concrete, but the above-mentioned equipment does not consider the influence of temperature change on the setting time, because the temperature of the concrete construction environment is different, and the single setting time data cannot make consistent judgment for different construction environments. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the shortcoming in the prior art, and provides a concrete accelerator setting time test equipment.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme: a concrete accelerator setting time test equipment, including test operation platform, the upper surface of test operation platform is fixedly connected with three installation fixed plate, the upper surface of three installation fixed plate is all fixedly installed with heat preservation transparent box body, the inner bottom of heat preservation transparent box body is fixedly installed with material placing seat for placing test sample, the upper surface of test operation platform and located the rear side of installation fixed plate are fixedly connected with three vertical installation stand, the top of vertical installation stand is fixedly connected with horizontal fixed transom, the lower surface of horizontal fixed transom is fixedly connected with first U-shaped seat, the bottom of first U-shaped seat penetrates and is slidably connected with test fixed rod, the bottom of test fixed rod extends to the inside of heat preservation transparent box body and is detachably connected with test needle, the inner wall of first U-shaped seat is detachably connected with displacement sensor, the upper surface of horizontal fixed transom is installed with lifting assembly that drives test fixed rod lifting, the upper surface of test operation platform is fixedly connected with three constant temperature water tank, one side of constant temperature water tank is connected with first water pumping assembly, the other side of constant temperature water tank is connected with second water pumping assembly.

[0006] As a further description of the above technical solutions:

[0007] The lifting assembly comprises a second U-shaped seat fixedly connected to the upper surface of the horizontal fixed transverse plate, the inner wall of the second U-shaped seat is rotationally connected with a rotating roller shaft, the outer surface of the rotating roller shaft is fixedly connected with a connecting rope, the free end of the connecting rope is fixedly connected with the top of the test fixed rod, the outer wall of the second U-shaped seat is fixedly connected with a servo motor, and the output shaft of the servo motor is fixedly connected with one end of the rotating roller shaft.

[0008] As a further description of the above technical solutions:

[0009] The front side of the heat-preservation transparent box body is movably connected with a door plate, and the top of the heat-preservation transparent box body is provided with a penetrating hole matched with the test fixed rod.

[0010] As a further description of the above technical solutions:

[0011] The first water pumping assembly comprises a first water pump fixedly connected to one side of the constant-temperature water tank, the inlet of the first water pump extends into the constant-temperature water tank, the outlet of the first water pump is fixedly connected with a first water pipe, and the end, away from the first water pump, of the first water pipe is fixedly connected with one side of the heat-preservation transparent box body.

[0012] As a further description of the above technical solutions:

[0013] The second water pumping assembly comprises a second water pump fixedly connected to the other side of the constant-temperature water tank, the outlet of the second water pump extends into the constant-temperature water tank, the inlet of the second water pump is fixedly connected with a second water pipe, and the end, away from the second water pump, of the second water pipe is fixedly connected with the other side of the heat-preservation transparent box body.

[0014] As a further description of the above technical solutions:

[0015] The bottom of the test fixed rod is fixedly connected with a threaded column, the outer surface of the threaded column is threadedly connected with a threaded cap, and the test needle is fixedly connected to the bottom of the threaded cap.

[0016] As a further description of the above technical solutions:

[0017] The side wall of the displacement sensor is fixedly connected with a mounting connecting block, and the mounting connecting block is connected with the first U-shaped seat through screws.

[0018] The utility model has the advantages of the following beneficial effects:

[0019] 1. Compared with the prior art, the concrete accelerator setting time testing equipment, the first water pump is started, the first water pump extracts water in the constant temperature water tank, the water enters the inside of the heat preservation transparent box through the first water pipe, the second water pump is started, the second water pump extracts water in the heat preservation transparent box through the second water pipe, and the water flows back to the inside of the constant temperature water tank, so that the setting time data of the concrete under different temperatures can be obtained, and diversified setting time data can provide more accurate data support for different construction environments.

[0020] 2. Compared with the prior art, the concrete accelerator setting time testing equipment, the servo motor is started, the output shaft of the servo motor rotates with the rotating roller shaft, the connecting rope is instantaneously unwound, the test fixed rod is freely fallen with the test needle, the test needle is inserted into the concrete sample, the falling depth of the test needle is judged through the displacement sensor, then the servo motor is reversed, the output shaft of the servo motor rotates with the rotating roller shaft, the connecting rope is wound, and the test fixed rod is lifted with the test needle, automatic operation, simple and convenient. BRIEF DESCRIPTION OF DRAWINGS

[0021] Fig. 1 A first perspective view of a concrete accelerator setting time testing equipment is provided for the utility model;

[0022] Fig. 2 A second perspective view of a concrete accelerator setting time testing equipment is provided for the utility model;

[0023] Fig. 3 A first U-shaped seat structure schematic view of a concrete accelerator setting time testing equipment is provided for the utility model;

[0024] Fig. 4 A heat preservation transparent box sectional view of a concrete accelerator setting time testing equipment is provided for the utility model.

[0025] LEGEND:

[0026] 1, test operation platform; 2, mounting fixed plate; 3, heat preservation transparent box; 4, material placing seat; 5, vertical installation stand; 6, horizontal fixed cross plate; 7, first U-shaped seat; 8, test fixed rod; 9, test needle; 10, second U-shaped seat; 11, rotating roller shaft; 12, servo motor; 13, connecting rope; 14, displacement sensor; 15, mounting connecting block; 16, constant temperature water tank; 17, first water pump; 18, first water pipe; 19, second water pump; 20, second water pipe. DETAILED DESCRIPTION

[0027] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0028] With reference to Figs. 1 to 4 The utility model provides a kind of concrete accelerator setting time test equipment provided by the utility model: including test operation platform 1, the upper surface of test operation platform 1 is fixedly connected with three installation fixed plate 2, the upper surface of three installation fixed plate 2 is fixedly installed with heat preservation transparent box body 3, the inner bottom of heat preservation transparent box body 3 is fixedly installed with material placing seat 4 for placing test sample, the upper surface of test operation platform 1 and located the rear side of installation fixed plate 2 is fixedly connected with three vertical installation vertical plate 5, the top of vertical installation vertical plate 5 is fixedly connected with horizontal fixed cross plate 6, the lower surface of horizontal fixed cross plate 6 is fixedly connected with first U-shaped seat 7, first U-shaped seat 7 bottom is connected with test fixed rod 8 with sliding, the front side of heat preservation transparent box body 3 is movably connected with door plate, the top of heat preservation transparent box body 3 is provided with the through hole of being adapted to test fixed rod 8;

[0029] The bottom of test fixed rod 8 extends to the inside of heat preservation transparent box body 3 and is detachably connected with test needle 9, the bottom of test fixed rod 8 is fixedly connected with threaded column, the outer surface of threaded column is threadedly connected with threaded cap, test needle 9 is fixedly connected at the bottom of threaded cap, the inner wall of first U-shaped seat 7 is detachably connected with displacement sensor 14, the side wall of displacement sensor 14 is fixedly connected with installation connecting block 15, and installation connecting block 15 is connected with first U-shaped seat 7 by screw;

[0030] The upper surface of horizontal fixed cross plate 6 is installed with lifting assembly for driving test fixed rod 8 to lift, and the lifting assembly comprises second U-shaped seat 10 fixedly connected to the upper surface of horizontal fixed cross plate 6, rotating roller shaft 11 rotatably connected to the inner wall of second U-shaped seat 10, connecting rope 13 fixedly wound on the outer surface of rotating roller shaft 11, the free end of connecting rope 13 is fixedly connected with the top of test fixed rod 8, second U-shaped seat 10 is fixedly connected with servo motor 12, the output shaft of servo motor 12 is fixedly connected with one end of rotating roller shaft 11, servo motor 12 is started, the output shaft of servo motor 12 rotates with rotating roller shaft 11, and connecting rope 13 is wound or unwound, so that test fixed rod 8 lifts with test needle 9;

[0031] The upper surface of the test operation table 1 is fixedly connected with three constant temperature water tanks 16, one side of the constant temperature water tank 16 is connected with a first water pumping assembly, the other side of the constant temperature water tank 16 is connected with a second water pumping assembly, the first water pumping assembly comprises a first water pump 17 fixedly connected to one side of the constant temperature water tank 16, the inlet of the first water pump 17 extends to the inside of the constant temperature water tank 16, the outlet of the first water pump 17 is fixedly connected with a first water pumping pipe 18, one end of the first water pumping pipe 18 away from the first water pump 17 is fixedly connected with one side of the heat preservation transparent box body 3, the second water pumping assembly comprises a second water pump 19 fixedly connected to the other side of the constant temperature water tank 16, the outlet of the second water pump 19 extends to the inside of the constant temperature water tank 16, the inlet of the second water pump 19 is fixedly connected with a second water pumping pipe 20, one end of the second water pumping pipe 20 away from the second water pump 19 is fixedly connected with the other side of the heat preservation transparent box body 3, the first water pump 17 is started, the first water pump 17 pumps water in the constant temperature water tank 16, the water enters the inside of the heat preservation transparent box body 3 through the first water pumping pipe 18, the second water pump 19 is started, the second water pump 19 pumps water in the heat preservation transparent box body 3 through the second water pumping pipe 20, and the water flows back to the inside of the constant temperature water tank 16.

[0032] Working principle:

[0033] In use, the water temperature in the three constant temperature water tanks 16 is controlled to be different, the first water pump 17 is started, the first water pump 17 pumps water in the constant temperature water tank 16, the water enters the inside of the heat preservation transparent box body 3 through the first water pumping pipe 18, the second water pump 19 is started, the second water pump 19 pumps water in the heat preservation transparent box body 3 through the second water pumping pipe 20, and the water flows back to the inside of the constant temperature water tank 16, and the water level is kept lower than the material placing seat 4;

[0034] Open the door plate, place the concrete sample on the material placing seat 4, close the door plate, start the servo motor 12, the output shaft of the servo motor 12 rotates with the rotating roller shaft 11, instantaneously unwinds the connecting rope 13, so that the test fixed rod 8 freely falls with the test needle 9, and the test needle 9 is inserted into the concrete sample, the falling depth of the test needle 9 is judged through the displacement sensor 14, then the servo motor 12 is reversed, the output shaft of the servo motor 12 rotates with the rotating roller shaft 11, and the connecting rope 13 is wound, so that the test fixed rod 8 rises with the test needle 9, and the above operation is repeated to complete the concrete setting time test.

[0035] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A concrete accelerator setting time testing apparatus comprising a testing bench (1), characterized in that: The upper surface of the test operating table (1) is fixedly connected with three mounting fixed plates (2), the upper surfaces of the three mounting fixed plates (2) are fixedly installed with heat preservation transparent box bodies (3), the inner bottoms of the heat preservation transparent box bodies (3) are fixedly installed with material placing seats (4) for placing test samples, the upper surface of the test operating table (1) and the rear side of the mounting fixed plate (2) are fixedly connected with three vertical mounting vertical plates (5), the top of the vertical mounting vertical plate (5) is fixedly connected with a horizontal fixed transverse plate (6), the lower surface of the horizontal fixed transverse plate (6) is fixedly connected with a first U-shaped seat (7), the bottom of the first U-shaped seat (7) is slidably connected with a test fixed rod (8), the bottom of the test fixed rod (8) extends to the inside of the heat preservation transparent box body (3) and is detachably connected with a test needle (9), the inner wall of the first U-shaped seat (7) is detachably connected with a displacement sensor (14), the upper surface of the horizontal fixed transverse plate (6) is installed with a lifting assembly for driving the test fixed rod (8) to lift, the upper surface of the test operating table (1) is fixedly connected with three constant temperature water tanks (16), one side of the constant temperature water tank (16) is connected with a first water pumping assembly, the other side of the constant temperature water tank (16) is connected with a second water pumping assembly.

2. The set time testing apparatus for a concrete accelerator according to claim 1, characterized by: The lifting assembly comprises a second U-shaped seat (10) fixedly connected to the upper surface of the horizontal fixed transverse plate (6), a rotating roller shaft (11) rotatably connected to the inner wall of the second U-shaped seat (10), a connecting rope (13) fixedly wound on the outer surface of the rotating roller shaft (11), the free end of the connecting rope (13) is fixedly connected to the top of the test fixed rod (8), and a servo motor (12) is fixedly connected to the outer wall of the second U-shaped seat (10), and the output shaft of the servo motor (12) is fixedly connected to one end of the rotating roller shaft (11).

3. The set time testing apparatus for a concrete accelerator according to claim 1, characterized by: The front side of the heat preservation transparent box body (3) is movably connected with a door plate, and the top of the heat preservation transparent box body (3) is provided with a through hole matched with the test fixed rod (8).

4. The set time testing apparatus for a concrete accelerator according to claim 1, wherein: The first water pumping assembly comprises a first water pump (17) fixedly connected to one side of the constant temperature water tank (16), the inlet of the first water pump (17) extends to the inside of the constant temperature water tank (16), the outlet of the first water pump (17) is fixedly connected with a first water pumping pipe (18), and the end, away from the first water pump (17), of the first water pumping pipe (18) is fixedly connected with one side of the heat preservation transparent box body (3).

5. The set time testing apparatus for a concrete accelerator according to claim 1, wherein: The second water pumping assembly comprises a second water pump (19) fixedly connected to the other side of the constant temperature water tank (16), the outlet of the second water pump (19) extends to the inside of the constant temperature water tank (16), the inlet of the second water pump (19) is fixedly connected with a second water pumping pipe (20), and the end, away from the second water pump (19), of the second water pumping pipe (20) is fixedly connected with the other side of the heat preservation transparent box body (3).

6. The set time testing apparatus for a concrete accelerator according to claim 1, wherein: The bottom of the test fixed rod (8) is fixedly connected with a threaded column, the outer surface of the threaded column is threadedly connected with a threaded cap, and the test needle (9) is fixedly connected to the bottom of the threaded cap.

7. The set time testing apparatus for a concrete accelerator according to claim 1, characterized by: The side wall of the displacement sensor (14) is fixedly connected with a mounting connecting block (15), and the mounting connecting block (15) is connected with the first U-shaped seat (7) through a screw.

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