CN221007591U - Full-automatic cement mortar and concrete setting time tester - Google Patents

Abstract

The utility model discloses a full-automatic tester for cement mortar and concrete setting time, which comprises a machine body sample table, a machine body frame, a measuring needle displacement system, a measuring needle switching system, a sample stabilizing device, a horizontal adjusting device, a measuring needle cleaning device and a constant-temperature circulating water device, wherein the measuring needle displacement system can enable the measuring needle of the tester to move freely horizontally and longitudinally, the measuring needle switching system can rotationally switch the measuring needle and vertically move the measuring needle, the setting time of cement mortar or concrete samples placed on any sample stabilizing device can be automatically measured through the measuring needle displacement system and the measuring needle switching system, the measuring needle cleaning is automatically carried out after the measurement is finished, and the circulation is carried out. In addition, the level adjusting device can meet the requirement of the complex topography level fixing placement tester, and the constant temperature circulating water device can provide constant measurement temperature, so that the measurement result is more accurate.

Description

Full-automatic cement mortar and concrete setting time tester

Technical Field

The utility model relates to the field of concrete setting time measuring equipment, in particular to a full-automatic cement mortar and concrete setting time measuring instrument.

Background

The setting time of the mortar and the concrete is a basic performance index of the building mortar, is an important reference index for judging the working performance of the concrete mixture, and can reflect the working performance and early strength development condition of the concrete to a greater extent. The initial and final setting time of the concrete is required by corresponding mandatory requirements in each standard specification. Setting time of mortar is generally taken as an important performance reference index. In order to standardize the testing method for measuring the basic performance of the building mortar, improve the testing precision and the testing level of the mortar, it is necessary to have a unified testing method for the mortar performance when testing or controlling the quality of the mortar, and improve the accuracy and the efficiency of the equipment for measuring the setting time of the cement mortar and the concrete.

The existing concrete setting time testing method mainly comprises manual measurement and automatic measurement, wherein the manual measurement has great challenges on stability, repeatability and reliability of data, and in addition, as the standard for judging the setting time is a measured pressure value, the pressure values obtained by different pressing down rates are obviously different, the error of the result of the manual measurement of the setting time is larger, and test data with more references cannot be obtained.

The invention CN 115931962A discloses a full-automatic concrete setting time measuring device and a measuring method, the measuring device comprises a machine table, a turntable mechanism, a jacking rotating mechanism, a flip mechanism, a needle displacement mechanism and a needle washing mechanism, after the measuring device transfers a test barrel to a test station through the turntable mechanism, the flip mechanism turns a cover body away from the test barrel on the test station, the needle displacement mechanism can drive a needle to move to the test station for subsequent testing, and after the testing is finished, the needle is automatically cleaned, and the cycle is performed until the initial setting or final setting of concrete is achieved, but the automatic measuring device needs to frequently replace the needle on a needle parking table according to the measured pressure value, the flow is complex and slow, the needle cannot be reset and dead time when the needle is easily replaced due to the broken mortar adhered on the needle, and the needle is easily lifted together with the test barrel when the procedure is wrong and dead time is caused.

In addition, in the existing measuring technical device, the requirements of complex topography horizontal fixed placement measurement and harsh constant maintenance temperature conditions can not be basically met, the equipment is complex and has no temperature control system, an air conditioner is additionally arranged, the usable range of the equipment is reduced, and the measured result error is larger.

Disclosure of utility model

Aiming at the defects existing in the prior art, the utility model aims to provide a full-automatic cement mortar and concrete setting time tester, which aims to solve the defects existing in the prior art.

The above object of the present utility model is achieved by the following technical solutions:

The full-automatic cement mortar and concrete setting time tester comprises a machine body sample table, wherein a machine body frame is arranged on the machine body sample table; the machine body frame is internally provided with a needle displacement system, the needle displacement system is connected with a needle switching system, the needle switching system comprises a liftable needle switching frame connected with the needle displacement system, and a plurality of rotatable and switchable needles are arranged on the needle switching frame; the machine body sample bench is also provided with a plurality of groups of sample stabilizing devices, the plurality of groups of sample stabilizing devices are all positioned in the range of movement of the measuring needle displacement system, and the sample stabilizing devices are used for fixing the sample barrel.

According to the full-automatic cement mortar and concrete setting time tester, the measuring needle displacement system of the tester can move randomly in the horizontal direction, the measuring needle switching system can switch the measuring needle and vertically move the measuring needle, and the setting time of a cement mortar or concrete sample arranged at any position of the sample stabilizing device can be automatically measured through the measuring needle displacement system and the measuring needle switching system. The whole-course automatic test is realized, so that the test time is saved, and the test efficiency is improved.

Further, the machine body frame of the full-automatic cement mortar and concrete setting time tester is of a box structure, a touch screen display, a power switch and a temperature control switch are arranged outside one side of the box structure, a box door capable of being opened and closed is arranged on the front face of the box structure, and a sample barrel and the like are taken through the box door. The touch screen display can be used for displaying and setting various parameters in the concrete setting time measuring process, the power supply is turned on, the temperature control switch is turned on to adjust the temperature, the touch screen display is operated to set a related parameter probe displacement system and a probe switching system to work, and the setting time of a sample placed in the sample stabilizing device can be measured.

Further, a horizontal adjusting device is arranged below the machine body sample table, and the horizontal adjusting device comprises a bubble type level gauge and a plurality of rotary pulleys; the bubble level is arranged on the upper plane of the machine body sample table, and the rotary pulleys are respectively arranged at the bottom of the machine body sample table. Preferably, the rotary pulley comprises a wheel frame, one corner of the wheel frame is connected with a movable wheel, a rotary bolt is arranged in the wheel frame, one end of the rotary bolt is connected with the machine body sample table, one end of the rotary bolt is provided with a gasket, and a rotary ring for adjusting is further arranged on the rotary bolt. The bubble type level comprises a freely movable pressure small bubble, other spaces are filled with water, the buoyancy principle of the bubble is utilized to judge the level condition of the whole condensation time tester according to the position of the bubble in the level, and accordingly whether the tester is level or not is judged. The rotary pulley can slide freely, and the box body can be moved to a proper place according to the requirement; the rotating bolt is rotated, the height adjustment can be carried out, the rotating ring is tightly attached to the bolt, no displacement occurs between the rotating ring and the bolt, the rotating ring can be adjusted to drive the bolt to rotate together, so that the height of the base is adjusted, the gasket is arranged at the bottommost end of the base, the friction force is large, and the displacement caused by instability of an instrument in the use process is prevented.

Further, the sample stabilizing device comprises a plurality of limiting devices capable of placing the sample barrels, the limiting devices are of clamping groove structures, and the sample barrels are clamped on the clamping groove structures. Preferably, the limit structure is a circular triangle symmetrical clamping groove structure, and the bottom of the sample barrel is provided with a clamping structure matched with the limit structure, so that the sample barrel can be firmly fixed, and the problem that a program error is caused by the fact that the probe is lifted together with the sample barrel in the measuring process is avoided. The test piece barrel is similar to a truncated cone in shape, the diameter of the top of the barrel is larger than that of the bottom of the barrel, and the hardened mortar is conveniently poured out easily; the periphery of the sample barrel is not provided with handrails, so that the space utilization rate is improved, and more sample barrels can be placed at the same time.

Further, the stylus displacement system comprises a pair of longitudinal rails arranged on the inner wall of the machine body frame, a movable transverse moving module is arranged between the pair of longitudinal rails, a movable lifting connecting piece is arranged on the transverse moving module, and the lifting connecting piece is connected with the stylus switching frame. The transverse moving module can be in the form of a sliding rail slide block, a screw rod slide block, a sliding structure in other forms or a mature product in the market. The movement of the movable module is controlled by the motor, the longitudinal track rotates to enable the probe system to longitudinally move in the horizontal direction, the transverse track rotates to enable the probe system to transversely move in the horizontal direction, and the position of the probe can be adjusted in the horizontal direction by adopting the scheme. The rotary polygonal member and the driving motor for driving the polygonal member to rotate are arranged below the measuring needle switching frame, and the measuring needles are connected to the periphery of the polygonal member at intervals. The lifting connecting piece of the measuring needle switching frame can be electrically lifted or pneumatically lifted, and lifting is realized through an electric lifting rod or an air cylinder. The stylus displacement system and the stylus switching frame can also adopt the form of the existing triaxial moving module so as to realize the transverse, longitudinal and vertical movement. The motor system controls the vertical movement of the measuring needle switching frame and the switching of the measuring needles, and in the working process, the proper measuring needles are switched according to the measuring needs.

Further, the ultrasonic testing machine also comprises a testing needle cleaning device arranged on the machine body sample table, wherein the testing needle cleaning device comprises a water storage tank, an ultrasonic vibrator is arranged at the bottom of the water storage tank, and a hairbrush is arranged on the inner wall of the water storage tank. The bottom of the water storage tank is detachable, and the water storage tank can be detached when the surfactant cleaning liquid is cleaned or replaced; concave clamping grooves can be formed in two sides of the inner wall of the water tank, a soft dense-mesh brush is placed on each side, and the brush can completely cover a probe with the smallest cross section when the probe is cleaned; the ultrasonic vibration instrument is started only when the probe is cleaned, and the fine ultrasonic vibration can ensure the cleanliness of the probe and can not influence the stability of the sample in the test piece barrel.

Further, the constant temperature circulating water device comprises a water storage tank arranged in the machine body sample table, a heat conducting coil pipe and a circulating water pump connected with the heat conducting coil pipe are arranged on the water storage tank; and a refrigerating system and a heating system are also arranged on the water storage tank. The circulating water pump pumps water in the water storage tank into the heat conducting coil, the refrigerating system and the heating system can respectively adjust the water temperature in a refrigerating and heating mode, the refrigerating system can be a refrigerating machine, and the heating system can be a heating plate, a heating rod and the like. The circulating water pump and the heat conducting coil are used for controlling the temperature inside the box body to keep consistent with the temperature of the constant-temperature water tank and maintaining the uniformity of the temperature inside the box body, so that the influence of the temperature on the condensation time is avoided, and the heat conducting coil is made of heat conducting materials, so that the heat transfer efficiency is improved.

When the detection equipment is used, firstly, the horizontal adjusting device is adjusted to enable the tester to be in an optimal stable state, then the power switch is turned on, after the temperature setting switch is set to a required temperature and the temperature is stable, a plurality of sample barrels are filled with cement mortar or concrete, then all sample barrels are placed on the sample fixing device and are clamped and fixed through the limiting device, the needle displacement system is controlled to move back and forth and left and right to be right above a sample to be detected through the operating end at the touch screen type display screen, the needle is controlled to move up and down and switch through the corresponding button of the needle switching system, so that a required test value is measured, finally, the needle is automatically cleaned after the test is finished, and the whole process automatic test is realized through the circulation.

In summary, the utility model has the following beneficial effects:

1. According to the utility model, a full-automatic cement mortar and concrete setting time tester is adopted, and the cement mortar and concrete setting time can be automatically measured through a measuring needle displacement system and a measuring needle switching system, so that a large deviation of manual measurement is avoided; the method and the device avoid excessive abrasion of the measuring needle caused by frequent use of the measuring needle in the measuring process of the coagulation time, and inaccurate test piece testing, improve the testing efficiency, and obtain higher accuracy of test data.

2. The horizontal adjusting device can ensure that the instrument is positioned at the horizontal position, the obtained pressure value data is more accurate, and the rotatable pulley and the fixing device expand the possibility of using the machine under complex terrains.

3. The constant temperature water circulation system ensures the uniformity and stability of the temperature in the box body, and avoids the influence of the external temperature change on the sample condensation time.

Drawings

FIG. 1 is a schematic view showing the overall structure of a fully automatic device for measuring setting time of cement mortar and concrete in this embodiment;

FIG. 2 is a schematic view showing the internal structure of a fully automatic device for measuring setting time of cement mortar and concrete in this embodiment;

FIG. 3 is a schematic view of the structure of the horizontal adjusting device in this embodiment;

FIG. 4 is a schematic structural view of the sample stabilizing device according to the present embodiment;

FIG. 5 is a schematic diagram of the structure of the stylus switching system according to the present embodiment;

FIG. 6 is a schematic view of the structure of the stylus in the present embodiment;

FIG. 7 is a schematic view of the structure of the stylus cleaning apparatus according to the present embodiment;

FIG. 8 is a schematic view of the structure of the brush in the present embodiment;

FIG. 9 is a schematic view showing the structure of the constant temperature circulating water apparatus system in the present embodiment;

In the figure: 1. a body sample stage; 2. a body frame; 21. a touch screen display; 22. a power switch; 23. a temperature control switch; 24. a box door; 3. a level adjustment device; 31. bubble level; 32. a rotary pulley; 33. rotating the bolt; 34. a rotating ring; 35. foot pads; 36. a gasket; 4. a sample stabilizing device; 41. a limiting device; 42. a sample barrel; 5. a stylus displacement system; 51. a longitudinal rail; 52. a lateral movement module; 6. a stylus switching system; 61. a stylus switching frame; 62. a measuring needle; 611. a polygonal member; 612. lifting the connecting piece; 613. a motor system; 7. a stylus cleaning device; 71. a water storage tank; 72. an ultrasonic vibrator; 73. a brush; 74. a concave clamping groove; 8. a constant temperature circulating water device; 81. a water storage tank; 82. a thermally conductive coil; 83. a circulating water pump; 84. a refrigeration system; 85. a heating system.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; 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.

Example 1

1-2, A full-automatic cement mortar and concrete setting time tester comprises a machine body sample table 1, wherein a machine body frame 2 is arranged on the machine body sample table 1; a needle displacement system 5 is arranged in the machine body frame 2, the needle displacement system 5 is connected with a needle switching system 6, the needle switching system 6 comprises a liftable needle switching frame 61 connected with the needle displacement system 5, and a plurality of rotatable and switchable needles 62 are arranged on the needle switching frame 61; the machine body sample table 1 is also provided with a plurality of groups of sample stabilizing devices 4, the plurality of groups of sample stabilizing devices 4 are all positioned in the range of movement of the probe displacement system 5, and the sample stabilizing devices 4 are used for fixing samples. The machine body frame 2 is of a box structure, a touch screen type display 21, a power switch 22 and a temperature control switch 23 are arranged outside one side of the box structure, and a box door 24 capable of being opened and closed is arranged on the front surface of the box structure. The sample stabilizing device 4 comprises a plurality of limiting devices 41 capable of placing sample barrels, the limiting devices 41 are of a clamping groove type structure, and as shown in fig. 4, the sample barrels 42 are clamped on the clamping groove type structure. In this embodiment, as shown in fig. 2 and 4, the machine body sample table 1 is provided with 9 fixing positions to fix the sample barrels 42, the periphery of each position is provided with a triangular symmetrical clamping groove type limiting structure 41, and the bottom of the sample barrel is simultaneously provided with a triangular limiting device matched with the triangular symmetrical clamping groove type limiting structure 41 to be clamped with the triangular symmetrical clamping groove type limiting structure 41, so that the sample barrel can be firmly fixed. The triangle structure has the strongest stability, and can effectively avoid the program error caused by the fact that the probe is lifted up together with the sample barrel in the process of measuring the coagulation time. The sample bucket is the round platform structure, and sample bucket top diameter is greater than the bottom, and convenient clearance hardened mortar, further, sample bucket periphery does not establish the handrail, and single sample bucket occupation space is less, has promoted space utilization, can place more sample buckets simultaneously under the equal box volume condition.

Further, as shown in fig. 2 and 5, the stylus displacement system 5 includes a pair of longitudinal rails 51 disposed on the inner wall of the machine frame, a movable lateral movement module 52 is disposed between the pair of longitudinal rails 51, a movable lifting connector 612 is disposed on the lateral movement module 52, and the lifting connector 612 is connected to the stylus switching frame 61. A rotatable polygonal member 611 and a driving motor 613 for driving the polygonal member to rotate are provided below the stylus switching frame 61, and the stylus 62 is connected to the outer circumference of the polygonal member 611 at intervals. Optionally, the lateral movement module can be in the form of a sliding rail slide block, a screw rod slide block, a sliding structure in other forms or a commercially available mature product; the lifting connecting piece of the measuring needle switching frame can be electrically lifted or pneumatically lifted, and lifting is realized through an electric lifting rod or an air cylinder. The stylus displacement system and the stylus switching frame can also adopt the form of the existing triaxial moving module so as to realize the transverse, longitudinal and vertical movement. The motor system controls the vertical movement of the measuring needle switching frame and the switching of the measuring needles, and the proper measuring needles are moved and switched at will according to the measurement needs in the work. In this embodiment, as shown in fig. 5 and 6, the pin switching frame 61 is an octagonal member with four sides having a threaded structure, each pin is connected with the threaded structure of the octagonal member through a terminal thread, a motor system 613 is installed in the octagonal member, the upper end of the octagonal member is connected with a lifting connector 612, the cross sections of the four threaded penetrating pins are 100mm ²、50mm²、30mm²、20mm² respectively, and the lifting connector 612 is connected with the pin displacement system 5 lateral movement module 52. In the coagulation time measurement process, the motor system control component integrally moves in the vertical direction and the measuring needle is switched, so that the proper measuring needle can be moved and switched at will according to experimental requirements.

Further, as shown in fig. 7 and 8, the machine body sample table 1 is provided with a probe cleaning device 7, the probe cleaning device 7 includes a water storage tank 71, an ultrasonic vibrator 72 is disposed at the bottom of the water storage tank 71, and a brush 73 is disposed on the inner wall of the water storage tank 71. The bottom of the water storage tank 71 is detachable, so that the cleaning or the replacement of the surfactant cleaning liquid is more convenient; optionally, concave clamping grooves 74 can be formed on two sides of the inner wall of the water tank, and a soft dense-mesh brush is placed on each side, so that the brush can completely cover the probe with the smallest cross section when the probe is cleaned; the ultrasonic vibration instrument is started only when the probe is cleaned, and the fine ultrasonic vibration can ensure the cleanliness of the probe and can not influence the stability of the sample in the test piece barrel.

In the embodiment, the position of the probe member can be adjusted at will in the horizontal and vertical directions, the probe can be switched automatically, the probe can automatically measure the setting time of cement mortar and concrete samples at any fixed position through the probe displacement system and the probe switching system, and the probe is cleaned automatically after the measurement is finished, and the cycle is repeated. The problems of excessive abrasion of the measuring needle and inaccurate test results caused by frequent use of the measuring needle in the measuring process of the coagulation time are avoided, the test efficiency is improved, and the accuracy of the obtained test data is higher.

Example 2

As shown in fig. 1 to 3, the full-automatic cement mortar and concrete setting time tester of the present embodiment has the same structure as that of embodiment 1, except that: four horizontal adjusting devices 3 are arranged below the machine body sample table 1, and each horizontal adjusting device 3 comprises a bubble level 31 and four rotary pulleys 32; the bubble level 31 is disposed on the upper plane of the body sample table 1, and the bubble level 31 contains a small pressure bubble capable of moving freely, so that the level of the whole coagulation time tester can be determined according to the position of the bubble in the level. The rotary pulleys 32 are respectively mounted at the bottom of the body sample table 1. The rotary pulley 32 comprises a wheel frame, one corner of the wheel frame is connected with a movable wheel, a rotary bolt 33 is arranged in the wheel frame, one end of the rotary bolt 33 is connected with the machine body sample table, a gasket 36 is arranged at one end of the rotary bolt, a foot pad 35 is arranged on the gasket 36, the stability of the box body can be increased, and a rotary ring 34 for adjusting is further arranged on the rotary bolt. The rotary pulley can slide freely, and the box body can be moved to a proper place according to the requirement; the rotation bolt can be rotated, the rotation ring is tightly attached to the bolt, no displacement occurs between the rotation ring and the bolt, the rotation ring can be adjusted to drive the bolt to rotate together, so that the height of the base is adjusted, the measurement requirements of different ground conditions are met, the gasket is arranged at the bottommost end of the base, the friction force is large, and the displacement caused by instability of the instrument in the use process is prevented.

The horizontal adjusting device of the full-automatic cement mortar and concrete setting time tester can ensure that the tester is in a horizontal position, the obtained pressure value data is more accurate, the position and the height of the tester can be adjusted by the rotatable pulley and the fixing device, and the possibility of using the tester under complex terrains is expanded.

Example 3

As shown in fig. 2 and 9, the fully automatic cement mortar and concrete setting time measuring apparatus of the present embodiment has the same structure as that of embodiment 2, except that: the machine body sample table 1 is provided with a constant-temperature circulating water device 8, and comprises a water storage tank 81 arranged in the machine body sample table 1, wherein the water storage tank 81 is provided with a heat conducting coil 82 and a circulating water pump 83 connected with the heat conducting coil 82; the water storage tank 81 is also provided with a refrigerating system 84 and a heating system 85. The circulating water pump 83 pumps water in the water storage tank 81 into the heat conducting coil 82, the refrigerating system 84 and the heating system 85 can respectively regulate water temperature in a refrigerating and heating mode, the refrigerating system can be a refrigerator, and the heating system can be a heating plate, a heating rod and the like. The circulating water pump and the heat conducting coil are used for controlling the temperature inside the box body to keep consistent with the temperature of the constant-temperature water tank and maintaining the uniformity of the temperature inside the box body, so that the influence of the temperature on the condensation time is avoided, and the heat conducting coil is made of heat conducting materials, so that the heat transfer efficiency is improved.

The constant-temperature water circulation system of the full-automatic cement mortar and concrete setting time tester ensures that the temperature in the box body is uniform and stable, a constant measuring environment can be maintained for a sample, the influence of external temperature change on the setting time of the sample is avoided, and the measured result is more accurate.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (8)

1. The full-automatic cement mortar and concrete setting time tester is characterized by comprising a machine body sample table (1), wherein a machine body frame (2) is arranged on the machine body sample table (1); a needle displacement system (5) is arranged in the machine body frame (2), the needle displacement system (5) is connected with a needle switching system (6), the needle switching system (6) comprises a liftable needle switching frame (61) connected with the needle displacement system (5), and a plurality of rotatable switching needles (62) are arranged on the needle switching frame (61); the machine body sample table (1) is also provided with a plurality of groups of sample stabilizing devices (4), the plurality of groups of sample stabilizing devices (4) are all positioned in the range of movement of the measuring needle displacement system (5), and the sample stabilizing devices (4) are used for fixing samples.

2. The full-automatic cement mortar and concrete setting time tester according to claim 1, wherein the machine body frame (2) is of a box structure, a touch screen display (21), a power switch (22) and a temperature control switch (23) are arranged outside one side of the box structure, and a box door (24) capable of being opened and closed is arranged on the front surface of the box structure.

3. The full-automatic cement mortar and concrete setting time tester according to claim 1, further comprising a level adjusting device (3) arranged below the machine body sample table (1), wherein the level adjusting device (3) comprises a bubble level (31) and a plurality of rotary pulleys (32); the bubble level (31) is arranged on the upper plane of the machine body sample table (1), and the rotary pulleys (32) are respectively arranged at the bottom of the machine body sample table (1).

4. The full-automatic cement mortar and concrete setting time tester according to claim 1, wherein the sample stabilizing device (4) comprises a plurality of limiting devices (41) capable of placing sample barrels (42), the limiting devices (41) are of a clamping groove type structure, and the sample barrels (42) are clamped on the clamping groove type structure.

5. The full-automatic cement mortar and concrete setting time tester according to claim 1, wherein the probe displacement system (5) comprises a pair of longitudinal rails (51) arranged on the inner wall of the machine body frame, a movable transverse moving module (52) is arranged between the pair of longitudinal rails (51), a movable lifting connecting piece (612) is arranged on the transverse moving module (52), and the lifting connecting piece (612) is connected with the probe switching frame (61).

6. The full-automatic cement mortar and concrete setting time tester according to claim 5, wherein a rotatable polygonal member (611) and a driving motor (613) for driving the polygonal member to rotate are arranged below the measuring needle switching frame (61), and the measuring needles (62) are connected to the polygonal member (611) at intervals at the periphery.

7. The fully automatic cement mortar and concrete setting time tester according to claim 1, wherein: the ultrasonic probe cleaning device is characterized by further comprising a probe cleaning device (7) arranged on the machine body sample table, wherein the probe cleaning device (7) comprises a water storage tank (71), an ultrasonic vibrator (72) is arranged at the bottom of the water storage tank (71), and a hairbrush (73) is arranged on the inner wall of the water storage tank (71).

8. The fully automatic cement mortar and concrete setting time tester according to claim 1, wherein: the constant-temperature circulating water device (8) comprises a water storage tank (81) arranged in the machine body sample table (1), a heat conduction coil (82) is arranged on the water storage tank, and a circulating water pump (83) connected with the heat conduction coil; the water storage tank (81) is also provided with a refrigerating system (84) and a heating system (85).