Concrete setting time detection device

Abstract

The utility model provides a concrete setting time detection device. The concrete setting time detection device comprises a box body, a constant temperature system, a sample bearing system and a test cleaning system, the box body is provided with a top cover which can be opened and closed, the sample bearing system and the constant temperature system are arranged in the box body, the sample bearing system comprises a bearing disc which is provided with a sample groove and can rotate, and the constant temperature system is located above the sample bearing system. On the other hand, the sample is covered when the test is not performed. The test cleaning system comprises a translation module and a lifting module which are used for driving the probe to move, and the probe enters a cleaning water tank to be cleaned and subsequently dried after being tested. The device is simple in structure and high in automation degree, and the detection efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to concrete detection device field, especially in a kind of concrete setting time detection device. BACKGROUND

[0002] Concrete setting time refers to the state and performance reached after cement and water mixing reaches plasticity state and hardens after a certain time.The determination of concrete setting time is of great significance to determine cement variety, production ratio and concrete construction quality control. Therefore, the detection of concrete setting time is an essential link in engineering construction, which promotes the innovation of concrete setting time detection device in detection precision, portability and the like.

[0003] For example, Chinese patent CN221007591U discloses a kind of automatic cement mortar and concrete setting time determination instrument, the determination instrument includes machine body sample table, machine body frame, measuring needle displacement system, measuring needle switching system, sample stabilizing device, horizontal adjusting device, measuring needle cleaning device, constant temperature circulating water device, the measuring needle displacement system can make determination instrument measuring needle horizontal direction transverse, longitudinal arbitrary movement, measuring needle switching system can rotate type switching measuring needle and vertical movement measuring needle, through measuring needle displacement system and measuring needle switching system can be placed in the cement mortar or concrete sample setting time of arbitrary sample stabilizing device Automatic measurement is carried out, after measurement is completed, measuring needle cleaning is automatically carried out, and the cycle is repeated. In addition, horizontal adjusting device can meet the complex terrain horizontal fixed placement determination instrument, constant temperature circulating water device can provide constant measurement temperature, so that measurement result is more accurate. But the device still has some problems in the implementation process, such as the sample is difficult to be loaded due to the limitation of box during sample loading, and water droplets may remain after measuring needle cleaning. SUMMARY

[0004] In view of the above defects of the prior art, the purpose of the utility model is to provide a kind of concrete setting time detection device, improve the convenience of sample installation, increase drying function, and improve the cleaning degree of measuring needle.

[0005] The technical scheme of the utility model is as follows: a kind of concrete setting time detection device, including box, constant temperature system, sample support system and test cleaning system;

[0006] The box is provided with sample inlet structure and sample testing structure;The sample support system includes support tray and first stepper motor, the support tray is connected to the inner bottom wall of the box by the first stepper motor and is driven to rotate along the axis of the support tray;A plurality of sample grooves are arranged on the surface of the support tray along the circumferential direction of the axis.

[0007] The constant temperature system is arranged in the box, which comprises a constant temperature cover plate connected to the inner wall of the box and located above the sample groove; the constant temperature cover plate is arranged in a concentric circumferential distribution relative to the sample groove, and the projection area of the constant temperature cover plate is greater than the area of the sample groove, and the constant temperature cover plate is suitable for providing heat preservation to the direction of the sample groove.

[0008] The test cleaning system comprises a test needle, a support column, a translation module, a lifting module and a cleaning water tank.

[0009] The support column is arranged outside the box and provides a mounting space for the translation module, the test needle is connected to the lifting module, the lifting module is connected to the translation module, the cleaning water tank is arranged below the translation module, and the support column is provided with a plurality of drying openings on the side facing the cleaning water tank.

[0010] The test needle is driven in sequence through the lifting module and the translation module to make the test needle perform reciprocating motion from the sample groove to the cleaning water tank through the sampling test structure.

[0011] Further, the sample inlet structure comprises a sample inlet, a rail platform, a push-pull rail and a sealing plate; the bottom plate of the box extends outwardly with a rail platform, the rail platform is provided with a push-pull rail along the side wall of the box, the arc length of the push-pull rail covers the arc length of the sample inlet, and the sealing plate moves on the push-pull rail.

[0012] Further, the sampling test structure comprises a top cover, a connecting piece and a driving motor; the driving motor is connected to the outer side wall of the box, the output end of the driving motor is connected to one end of the connecting piece, the other end of the connecting piece is connected to the side surface of the top cover, the top cover is driven to rotate around the output end shaft center through the driving motor, and the top cover is suitable for opening and closing the top of the box.

[0013] Further, the side surface of the constant temperature cover plate is provided with a connecting rod, the connecting rod is fixedly connected to the inner side wall of the box, an air inlet channel is arranged in the constant temperature cover plate, the air inlet channel comprises an air inlet and an air outlet, the air outlet is arranged at the bottom of the constant temperature cover plate, and the air inlet is connected to an external cold / hot gas source.

[0014] Further, the support column is supported by a first supporting platform; the first supporting platform is connected to the outer side wall of the box.

[0015] Further, the translation module comprises an electric screw; the lifting module comprises an electric push rod.

[0016] Further, the cleaning water tank is supported by a second supporting platform; the cleaning water tank is rotatably connected to a driving motor through a vertical central shaft, and the inner side wall of the cleaning water tank is provided with a cleaning brush.

[0017] Further, the plurality of measuring needles are connected together to form a conversion block away from one end of the needle head, and the conversion block is connected with the output end of the second stepper motor.

[0018] Compared with the prior art, the utility model has the advantages of: BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the whole schematic diagram of the device;

[0020] Figure 2 It is the structural schematic diagram of the sample support system of the embodiment;

[0021] Figure 3 It is the structural schematic diagram of the constant temperature cover plate of the embodiment;

[0022] Figure 4 It is the structural schematic diagram of the test cleaning system of the embodiment;

[0023] Figure 5 It is the structural schematic diagram of the measuring needle of the embodiment.

[0024] In the figure: 1, box; 1-1, box foot; 1-2, top cover; 1-3, connecting piece; 1-4, sample inlet; 1-5, track platform; 1-6, push-pull rail; 1-7, sealing plate; 2, support tray; 2-1, sample groove; 3, constant temperature cover plate; 3-1, connecting rod; 3-2, air outlet; 4, first support platform; 4-1, support column; 4-2, drying port; 4-3, electric screw; 4-4, electric push rod; 4-5, measuring needle; 4-6, conversion block; 4-7, second stepper motor; 4-8, second support platform; 4-9, cleaning water tank. DETAILED DESCRIPTION

[0025] The embodiment of the utility model will be described in detail below, and the following embodiment is implemented on the premise of the technical scheme of the utility model, and detailed implementation mode and specific operation process are given, but the protection scope of the utility model is not limited to the following embodiment. In the description of the embodiment, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present invention.

[0026] Please refer to Figures 1-2The embodiment provides a concrete setting time detection device, which comprises a box body 1. In the embodiment, the box body 1 is a cylindrical barrel with a top cover 1-2 that can be opened and closed by electricity, and a box foot 1-1 is arranged at the bottom of the barrel. The box foot 1-1 is used to tilt the sample to absorb water before the sample is detected, and the box foot 1-1 facilitates the operator to pad between the bottom of the box and the ground to tilt the box 1 and the sample to absorb water. The side edge of the top cover 1-2 is connected with a connecting piece 1-3, which is arranged as a horizontal rod in the embodiment. The opposite end of the connecting piece 1-3 connected with the top cover 1-2 is connected with the output end of a driving motor, so that the top cover 1-2 can move in the horizontal direction under the driving of the driving motor.

[0027] In the embodiment, the side wall of the box body 1 is hollow, and cold / heat sources and the like can be input through the side wall. Meanwhile, a sample inlet 1-4 is arranged on the side wall to facilitate sample feeding. In order to make the temperature in the box body 1 reach a better constant temperature state, a sealing plate 1-7 is arranged on the sample inlet 1-4. The sealing plate 1-7 is arranged on a push-pull rail 1-6, and the push-pull rail 1-6 is arranged on a rail platform 1-5 which is a platform extended outwards from the bottom plate of the box body 1. In order to achieve a better sealing effect, the push-pull rail 1-6 extends along the side wall of the box body 1 in the horizontal direction, that is, the sealing plate 1-7 is a circular arc plate with a radius slightly larger than that of the box body 1, and the sealing plate 1-7 can completely cover the sample inlet 1-4.

[0028] A sample supporting system is arranged in the box body 1. The system comprises a supporting disc 2, the disc surface of the supporting disc 2 is upwards, and one end of the shaft center is connected with the output end of a first stepping motor. Under the action of the first stepping motor, the supporting disc 2 can rotate. Meanwhile, a plurality of sample grooves 2-1 are arranged equidistantly around the shaft center on the supporting disc 2. When sample loading is needed, the first stepping motor drives the idle sample groove 2-1 to rotate to the sample inlet 1-4, the operator loads the sample, and then rotates again to move the next idle sample groove 2-1 to the sample inlet, and after all the samples are loaded, the sealing plate 1-7 can be closed.

[0029] A constant temperature system is arranged above the sample supporting system, and the constant temperature system mainly comprises a constant temperature cover plate 3. Please refer to Figure 3The constant temperature cover plate 3 is provided with a hollow connecting rod 3-1 on the side, and the connecting rod 3-1 is connected with the side wall of the box body 1 to make the plate surface of the constant temperature cover plate 3 face the direction of the sample groove 2-1. In order to match the sample groove 2-1, the constant temperature cover plate 3 and the sample groove 2-1 are arranged in concentric circumferential distribution and equal in number. On the other hand, the constant temperature cover plate 3 should cover the area of the sample groove 2-1 in the projection area, and at the same time, the projection area is completely overlapped with the sample groove 2-1 when the sample groove 2-1 rotates to the sample inlet 1-4. The inside of the constant temperature cover plate 3 is provided with an air inlet channel, and the air outlet 3-2 of the air inlet channel is arranged at the bottom of the constant temperature cover plate 3, and the air inlet is arranged at the connection between the constant temperature cover plate 3 and the connecting rod 3-1. The external cold / hot gas source can enter the air inlet channel of the constant temperature cover plate 3 through the hollow side wall of the box body 1 and the hollow connecting rod 3-1, and be released from the air outlet 3-2. In this embodiment, the number of constant temperature cover plates 3 is 3, and the number of sample grooves 2-1 is also 3. At the same time, in order to meet the requirement that the concrete sample should be covered during the experiment, the height of the constant temperature cover plate 3 is arranged to be the height after the sample is put into the sample groove 2-1. In use, the sample is first loaded into the empty sample groove 2-1 through the sample inlet 1-4, and then shifted to the lower side of the constant temperature cover plate 3 to cover the sample with the constant temperature cover plate 3, and at the same time, the cold / hot gas source is released to make the temperature in the box body 1 reach the constant temperature of 20℃.

[0030] As Figure 4 , the test cleaning system is located outside the box body 1, and in this embodiment, a first supporting platform 4 is arranged on the side wall of the box body 1 to support the test cleaning system. The system includes a supporting column 4-1 which is vertically arranged on the first supporting platform 4, and a drying port 4-2 is formed on the side of the supporting column 4-1, and the drying port 4-2 is connected with a hot gas source. In this embodiment, the inner side wall of the cleaning water tank 4-9 is also provided with a plurality of brushes. The upper side of the side of the supporting column 4-1 is connected with a translation module, and in this embodiment, the translation module is arranged as an electric lead screw 4-3 which extends towards the axis of the box body 1. At the same time, an electric push rod 4-4 which is movable on the translation module is arranged as a lifting module. The bottom of the electric push rod 4-4 is connected with a second stepping motor 4-7, and the output end of the second stepping motor 4-7 is connected with a conversion block 4-6. Please refer to Figure 5 , a plurality of test needles 4-5 are arranged in this embodiment, and the ends away from the needle heads of all the test needles 4-5 are connected to the outer side of the conversion block 4-6, and the test needles 4-5 are arranged in intervals along the outer periphery of the conversion block 4-6. When the second stepping motor 4-7 is driven, the test needles 4-5 will be rotated to make each test needle 4-5 have the condition that the needle head is vertically downward. At the same time, a second supporting platform 4-8 is connected to the lower end of the side of the supporting column 4-1, and a driving motor is arranged on the second supporting platform 4-8, and the output end of the driving motor is connected with a cleaning water tank 4-9 which is arranged directly below the electric lead screw 4-3 and makes a plurality of drying ports 4-2 face the direction of the cleaning water tank 4-9.

[0031] The process of cleaning the device is as follows: when testing is required, the rotating of the supporting tray 2 in the box 1 moves the test sample from the position covered by the constant temperature cover plate 3 to the position where the testing needle 4-5 can be inserted; the top cover 1-2 of the box 1 is driven away by the driving motor, the testing needle 4-5 enters the box 1 from the top of the box 1 under the joint action of the electric lead screw 4-3 and the electric push rod 4-4 to test the test sample, when a test sample is tested, the first step motor and the second step motor 4-7 are simultaneously driven to replace the test sample to be tested and the testing needle 4-5, and the operation is continued until the testing needle 4-5 exits the box 1 after all the test samples are tested, the supporting tray 2 and the top cover 1-2 return to the state before testing; the testing needle 4-5 is transferred to the cleaning sink after exiting the box 1 to be cleaned, and is raised to the position of the drying port 4-2 after cleaning to be dried and wait for the next test; the test is repeated until the penetration resistance value reaches the test requirement, and the test is completed.

[0032] The device automates the complex concrete setting time detection operation, improves the detection precision, and makes the test operation more convenient.

[0033] The preferred embodiments of the present application are described in detail above. It should be understood that those skilled in the art can make many modifications and changes to the present application without creative labor under the concept of the present application. Therefore, any technical solution obtained by logical analysis, reasoning or limited test on the basis of the existing technology according to the concept of the present application shall be within the protection scope defined by the claims.

Claims

1. A concrete setting time detection device, characterized by, The box, the constant temperature system, the sample support system and the test cleaning system are included. The box is provided with a sample feeding structure and a sample testing structure; the sample support system includes a support tray and a first stepper motor, the support tray is connected to the inner bottom wall of the box through the first stepper motor and is driven to rotate along the axis of the support tray; a plurality of sample grooves are arranged on the surface of the support tray and are distributed along the circumferential direction of the axis of the support tray. The constant temperature system is arranged in the box and includes a constant temperature cover plate connected to the inner wall of the box and located above the sample grooves; the constant temperature cover plate is arranged in a concentric circumferential distribution relative to the sample grooves, and the projection area of the constant temperature cover plate is greater than the area of the sample grooves; the constant temperature cover plate is adapted to provide heat preservation in the direction of the sample grooves. The test cleaning system includes a test needle, a support column, a translation module, a lifting module and a cleaning tank. The support column is arranged outside the box and provides a mounting space for the translation module; the test needle is connected to the lifting module; the lifting module is connected to the translation module; the cleaning tank is arranged below the translation module; the support column is provided with a plurality of drying openings on the side facing the cleaning tank. The test needle is driven by the lifting module and the translation module in sequence to perform reciprocating motion from the sample groove to the cleaning tank through the sample testing structure.

2. The concrete setting time detection device according to claim 1, characterized in that, The sample feeding structure includes a sample feeding port, a track platform, a push-pull rail and a sealing plate; the bottom plate of the box extends outwardly to form the track platform; the push-pull rail is arranged on the track platform along the side wall of the box; the arc length of the push-pull rail covers the arc length of the sample feeding port; and the sealing plate moves on the push-pull rail.

3. The concrete setting time detection device according to claim 1, characterized in that, The sample testing structure includes a top cover, a connecting piece and a driving motor; the driving motor is connected to the outer side wall of the box, the output end of the driving motor is connected to one end of the connecting piece, and the other end of the connecting piece is connected to the side of the top cover, so that the top cover is driven to rotate around the axis of the output end of the driving motor by the driving motor, and the top cover is adapted to open and close the top of the box.

4. The concrete setting time detection device according to claim 1, characterized in that, The side of the constant temperature cover plate protrudes to form a connecting rod, the connecting rod is fixedly connected to the inner side wall of the box, an air inlet channel is arranged in the constant temperature cover plate, the air inlet channel includes an air inlet and an air outlet, the air outlet is arranged at the bottom of the constant temperature cover plate, and the air inlet is connected to an external cold / hot air source.

5. The concrete setting time detection device according to claim 1, characterized in that, The support column is supported by a first support platform; the first support platform is connected to the outer side wall of the box.

6. The concrete setting time detection device according to claim 1, characterized in that, The translation module includes an electric screw; the lifting module includes an electric push rod.

7. The concrete setting time detection device according to claim 1, characterized in that, The cleaning tank is supported by a second support platform; the cleaning tank is rotatably connected to a driving motor through a vertical central shaft, and the inner side wall of the cleaning tank is provided with a cleaning brush.

8. The concrete setting time detection device according to claim 1, characterized in that, The number of test needles is multiple; the multiple test needles are connected together at the end away from the needle head to form a conversion block, the conversion block is connected to the output end of a second stepper motor; and in the conversion process, the needle head of each test needle is vertically downward.

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