CN219512009U - Laboratory is with concrete early strength blade shearing test device - Google Patents
Laboratory is with concrete early strength blade shearing test device Download PDFInfo
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- CN219512009U CN219512009U CN202320623050.XU CN202320623050U CN219512009U CN 219512009 U CN219512009 U CN 219512009U CN 202320623050 U CN202320623050 U CN 202320623050U CN 219512009 U CN219512009 U CN 219512009U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model relates to a laboratory concrete early strength blade shearing test device, which comprises: the system comprises a test bed, a shear test system and a data monitoring system; the shear test system is arranged on the test bed and used for detecting a sample on the test bed; the data monitoring system is arranged on the shear test system and used for collecting test data; and the shear test system and the data monitoring system are connected with a computer in a laboratory. The device for testing the shearing of the early strength blade of the concrete provided by the utility model realizes the automatic control of the penetration and shearing of the cross plate, and the real-time continuous intelligent monitoring of the shearing parameters, so that the influence of artificial subjective factors is avoided, the evaluation result is more reliable, and the accuracy of the test result is ensured.
Description
Technical Field
The utility model belongs to the technical field of underground engineering detection, and particularly relates to a laboratory concrete early strength blade shearing test device.
Background
Currently, there is no suitable method for detecting early strength of the sprayed concrete of the tunnel, but the existing concrete strength (not early strength) detection method is mainly divided into a nondestructive detection method and a lossy detection method. The nondestructive detection method comprises a rebound method, an ultrasonic detection method, a geological radar detection method and the like, and although the nondestructive detection method does not damage a concrete member, the detected data are only indirect data, the concrete strength can be obtained through conversion, and the error is large. The method for detecting the damage comprises a drilling core sampling method, a pulling-out method and the like, which can damage the concrete structural member, wherein the drilling core sampling method is used for detecting the concrete structural member in a mode of carrying out inspection on a sampling laboratory, compared with a nondestructive detection method, the method for detecting the damage can intuitively obtain the strength value of the concrete, the detection result is relatively more accurate, however, the academic and engineering fields are still in the development stage of half-experience half-theory so far, and the acquisition of the shear strength of the primary sprayed concrete through a cross plate test is the basis for carrying out the next analysis, calculation and safe construction, so that the further research of the field (in situ) test of the shear strength of the primary sprayed concrete has important significance for engineering construction and academic research.
Disclosure of Invention
First, the technical problem to be solved
Aiming at the existing technical problems, the utility model provides a laboratory concrete early strength blade shearing test device, which solves the technical problem that the concrete shearing strength is difficult to test in the prior art.
(II) technical scheme
In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:
a laboratory concrete early strength blade shear test device comprising: the system comprises a test bed, a shear test system and a data monitoring system;
the shear test system is arranged on the test bed and used for detecting a sample on the test bed;
the data monitoring system is arranged on the shear test system and used for collecting test data;
the shear test system and the data monitoring system are connected with a computer in a laboratory in a control manner;
wherein, the test stand includes: a cube-type frame, a sample positioning assembly, and a shear test system support mechanism;
the sample positioning component is fixedly arranged at the bottom of the cube-type frame and is fixedly connected with a frame at the bottom of the cube-type frame;
the cube-shaped frame is also provided with a left upright post mechanism and a right upright post mechanism;
the left upright post mechanism is connected with an upper frame and a lower frame on the left side of the cube-type frame;
the right upright post mechanism is connected with an upper frame and a lower frame on the right side of the cube-type frame;
the shear test system is connected with the left upright mechanism and the right upright mechanism and is arranged in the cube-type frame by means of the left upright mechanism and the right upright mechanism.
Preferably, the left upright mechanism includes: the device comprises a left upright post, a double-shaft center linear motion guide rail and a first four-wheel locking slide block;
the upper end and the lower end of the left upright post are respectively connected with the upper frame and the lower frame on the left side of the cube-type frame;
the double-shaft-center linear motion guide rail is vertically arranged on the left upright post and is positioned at one side of the left upright post facing the inside of the cube-type frame;
the first four-wheel locking slide block is arranged on the double-shaft linear motion guide rail and can slide or be locked and stopped on the double-shaft linear motion guide rail;
the first four-wheel locking sliding block is also connected with the shear test system.
Preferably, the right column mechanism includes: the device comprises a right upright post, a linear screw rod module and a second four-wheel locking slide block;
the upper end and the lower end of the right upright post are respectively connected with the upper frame and the lower frame on the right side of the cube-type frame;
the linear screw rod module is vertically arranged on the right upright post and is positioned at one side of the right upright post facing the inside of the cube-type frame;
the second four-wheel locking sliding block is arranged on the linear screw rod module and can slide or be locked and stopped on the linear screw rod module;
the second four-wheel locking sliding block is also connected with the shear test system.
Preferably, the right column mechanism further comprises: a gear reduction box and a hand wheel;
the gear reduction box is arranged on the linear screw rod module and is in driving connection with the linear screw rod module;
the hand wheel is in shaft driving connection with the gear reduction box, and can drive the linear screw rod module to drive the shear test system to move up and down through the gear reduction box.
Preferably, the shear test system comprises: the drill chuck comprises a servo motor, a speed reducer, a drill chuck, a transmission shaft assembly fixing frame clamping plate, a fixing support seat and a blade cross plate;
the servo motor is in driving connection with the speed reducer;
the transmission shaft assembly of the speed reducer is in driving connection with the drill chuck;
the drill chuck is in driving connection with the blade cross plate;
the transmission shaft assembly fixing clamp plate is fixedly arranged on the fixing support seat;
the transmission shaft assembly of the speed reducer is fixed on the transmission shaft assembly fixing clamping plate.
Preferably, two ends of the fixed supporting seat are respectively connected with the first four-wheel locking sliding block and the second four-wheel locking sliding block.
Preferably, the data monitoring system comprises: a data acquisition assembly and a sensor assembly;
the data acquisition assembly and the sensor assembly are both arranged on the shear test system;
the data acquisition component is in control connection with the sensor component;
the data acquisition component is also in communication connection with a computer in a laboratory.
Preferably, the vane cross plate includes: the cross plate connecting rod and the round column shear flanks;
the bottom end of the cross plate connecting rod is fixedly connected with the top of the shearing flank around the cylinder;
the top end of the cross plate connecting rod is fixedly connected with the drill chuck.
Preferably, the specimen positioning assembly comprises: a sample vertical supporting beam and a sample positioning clamping mechanism;
two ends of the vertical supporting cross beam of the sample are fixedly connected with the side frame at the bottom of the cube type frame;
the sample positioning clamping mechanism is arranged on the sample vertical supporting beam and can fix the sample on the sample vertical supporting beam.
(III) beneficial effects
The device and the method provided by the utility model are simple to operate, have the characteristics of data and informatization, and can obtain and display the concrete strength in real time through automatic calculation.
The cross plate shearing equipment realizes automatic control of cross plate penetration and shearing, and real-time continuous intelligent monitoring of shearing parameters, avoids the influence of artificial subjective factors, so that the evaluation result is more reliable, and the accuracy of the test result is ensured.
According to the fixed base for the cross plate shearing instrument, the height of the shearing instrument is adjusted through the hand wheel and the speed reducer, so that a worker can conveniently install the cross plate at the end part of the probe rod, and the gear reduction box can be provided with the motor to realize the manual and electric cross plate shearing test device.
Drawings
FIG. 1 is a schematic view of a cross plate blade structure of a laboratory concrete early strength blade shear test device;
FIG. 2 is a schematic structural diagram of a laboratory concrete early strength blade shear test device provided by the utility model;
FIG. 3 is a top view of a laboratory concrete early strength blade shear test apparatus according to the present utility model;
FIG. 4 is a front view of a laboratory concrete early strength blade shear test apparatus provided by the utility model;
FIG. 5 is a side view of a laboratory concrete early strength blade shear test apparatus provided by the utility model;
FIG. 6 is a partial view of a laboratory concrete early strength blade shear test apparatus provided by the utility model;
fig. 7 is a partial view of a laboratory concrete early strength blade shear test device provided by the utility model.
[ reference numerals description ]
1: a servo motor; 2: a test bed; 3: a speed reducer; 4: a linear screw module; 5: a gear reduction box; 6: a hand wheel; 7: a right column; 8: a sample; 91: a sample positioning clamping mechanism; 92: the frame fastens the corner brace; 10: a vertical supporting beam for the sample; 11: a vane cross plate; 12: a drill chuck; 13: a transmission shaft assembly fixing bracket clamping plate; 14: fixing a supporting seat; 15: a double-shaft-center linear motion guide rail; 16: the first four-wheel locking sliding block.
Detailed Description
The utility model will be better explained by the following detailed description of the embodiments with reference to the drawings.
Example 1
As shown in fig. 1-7: the embodiment discloses a laboratory is with concrete early strength blade shearing test device includes: test stand 2, shear test system and data monitoring system.
The shear test system is arranged on the test bed 2 and is used for detecting a sample on the test bed 2; the data monitoring system is arranged on the shear test system and used for collecting test data; and the shear test system and the data monitoring system are connected with a computer in a laboratory.
Wherein, the test stand 2 comprises: a cube-type frame, a sample positioning assembly, and a shear test system support mechanism; the sample positioning component is fixedly arranged at the bottom of the cube-type frame and is fixedly connected with a frame at the bottom of the cube-type frame; the cube-shaped frame is also provided with a left upright post mechanism and a right upright post mechanism; the left upright post mechanism is connected with an upper frame and a lower frame on the left side of the cube-type frame; the right upright post mechanism is connected with an upper frame and a lower frame on the right side of the cube-type frame; the shear test system is connected with the left upright mechanism and the right upright mechanism and is arranged in the cube-type frame by means of the left upright mechanism and the right upright mechanism.
The left column mechanism in this embodiment includes: a left upright post, a double-shaft center linear motion guide rail 15 and a first four-wheel locking slide block 16.
In detail, the upper and lower ends of the left upright post are respectively connected with the upper and lower frames at the left side of the cube-type frame; the double-shaft center linear motion guide rail 15 is vertically arranged on the left upright post and is positioned at one side of the left upright post facing the inside of the cube-type frame; the first four-wheel locking slide block 16 is arranged on the double-shaft linear motion guide rail 15 and can slide or be locked and stopped on the double-shaft linear motion guide rail 15; the first four-wheel locking slide 16 is also connected to the shear test system.
The right column mechanism in this embodiment includes: right stand 7, linear lead screw module 4 and second four-wheel locking slider. The upper end and the lower end of the right upright post 7 are respectively connected with the upper frame and the lower frame on the right side of the cube-type frame; the linear screw rod module 4 is vertically arranged on the right upright post 7 and is positioned on one side of the right upright post 7 facing the inside of the cube-type frame; the second four-wheel locking slide block is arranged on the linear screw rod module 4 and can slide or lock and stop on the linear screw rod module 4; the second four-wheel locking sliding block is also connected with the shear test system.
The right column mechanism in this embodiment further includes: a gear reduction box 5 and a hand wheel 6; the gear reduction box 5 is arranged on the linear screw rod module 4 and is in driving connection with the linear screw rod module 4; the hand wheel 6 is in shaft driving connection with the gear reduction box 5, and can drive the linear screw rod module 4 to drive the shear test system to move up and down through the gear reduction box 5.
The shear test system in this embodiment includes: the drill chuck comprises a servo motor 1, a speed reducer 3, a drill chuck 12, a transmission shaft assembly fixing frame clamping plate 13, a fixing support seat 14 and a blade cross plate 11; the servo motor 1 is in driving connection with the speed reducer 3; the transmission shaft assembly of the speed reducer 3 is in driving connection with the drill chuck 12; the drill chuck 12 is in driving connection with the blade cross plate 11; the transmission shaft assembly fixing clamp plate 13 is fixedly arranged on the fixing support seat 14; the transmission shaft assembly of the speed reducer 3 is fixed on the transmission shaft assembly fixing clamping plate 14.
In this embodiment, two ends of the fixed support 14 are respectively connected to the first four-wheel locking slider 16 and the second four-wheel locking slider.
The data monitoring system includes: a data acquisition assembly and a sensor assembly; the data acquisition assembly and the sensor assembly are both arranged on the shear test system; the data acquisition component is in control connection with the sensor component; the data acquisition component is also in communication connection with a computer in a laboratory.
The vane cross plate 11 in this embodiment includes: the cross plate connecting rod and the round column shear flanks; the bottom end of the cross plate connecting rod is fixedly connected with the top of the shearing flank around the cylinder; the top end of the cross plate connecting rod is fixedly connected with the drill chuck.
The sample positioning assembly in this embodiment includes: a specimen vertical supporting beam 10 and a specimen positioning clamping mechanism 91; two ends of the sample vertical supporting beam 10 are fixedly connected with the side frames at the bottom of the cube-type frame; the sample positioning clamping mechanism 91 is disposed on the sample vertical support beam 10, and is capable of fixing the sample 8 to the sample vertical support beam 10.
It should be noted that: the laboratory concrete early strength blade shearing test device disclosed in the embodiment comprises a test bed 2 (comprising an aluminum profile frame structure), wherein a double-shaft linear motion guide rail 15 is fixed on a left upright post of the test bed 2, and a linear screw rod module 4 is fixed on a right upright post 7; the left double-shaft center linear motion guide rail 15 is connected with a first four-wheel locking slide block 16, and the linear screw rod module 4 is also provided with a second four-wheel locking slide block; the linear screw rod module 4 is provided with a gear reduction box 5, and the gear reduction box 5 is connected with a hand wheel 6 through a shaft; the left locking slide block and the right locking slide block are connected with a fixed supporting seat 14 through bolts, the fixed supporting seat 14 is fixedly connected with a cross plate through a transmission shaft assembly fixing frame clamping plate 13 to be sheared, the cross plate shearing device is formed by connecting a servo motor 1 with a speed reducer 3 through a shaft, connecting the speed reducer 3 with a torque sensor, and connecting the torque sensor with a bearing structure to be connected with the cross plate.
The test bed 2 is of a frame structure, the frame is formed by connecting aluminum profile rods through angle codes, upright posts are respectively arranged on a left cross beam and a right cross beam, a double-axis linear motion guide rail 15 and a first four-wheel locking slide block 16 are fixedly arranged on the left upright post structure, a linear screw rod module 4 and a second four-wheel locking slide block are fixedly arranged on the right upright post, the linear screw rod module 4 is connected with a gear reduction box 5 through a shaft, and the gear reduction box 5 is connected with a hand wheel 6 through a shaft. The lower middle vertical beam of the frame structure is respectively provided with an angle code member, and the angle code member comprises a jacking bolt and a clamping plate to form a concrete test block fixing and sample positioning clamping mechanism 91. The concrete or soil sample to be detected is fixed by a sample positioning clamping mechanism 91; the shearing detection position of the cross plate can be adjusted by adjusting the positions of the corner brackets at the same time by the left upright post and the right upright post. The double-shaft-center linear motion guide rail 15 and the linear screw rod module 4 are respectively connected and fixed on the right side and the left side of the left upright post vertical beam and the right upright post vertical beam of the test bed 2 through bolts, and the double-shaft-center linear motion guide rail 15 is provided with a first four-wheel locking slide block 16; the left slide block can slide freely in the guide rail, and the right second four-wheel locking slide block swings up and down through the hand wheel 6. The fixed supporting seat 14 is connected with the first four-wheel locking slide block 15 and the second four-wheel locking slide block through fastening bolts. The middle part of the fixed supporting seat 14 is provided with a through hole, the aperture is slightly larger than the outer diameter size of the connecting shaft assembly of the cross plate drill chuck 12, and the fixed supporting seat 14 is fixed with the cross plate shearing assembly by tightening bolts through a clamping plate of a fixing frame of the transmission shaft assembly. The cross plate shearing assembly is driven by a servo motor 1, the servo motor 1 is connected with a speed reducer 3 through a shaft to realize the adjustment and control of shearing speed, the speed reducer 3 is connected with a torque sensor through a shaft to realize the real-time monitoring of torque in the shearing process, and the servo motor 1 is connected with a torque sensor to realize the intelligent control of the whole shearing test;
the hand wheel 6 rotates, the linear screw rod upper sliding block slides downwards to drive the first four-wheel locking sliding block 16 on the left guide rail to move downwards, the cross plate contacts and butts against concrete and soil, the hand wheel 6 continues to rotate, the cross plate penetrates into the designated depth, at the moment, the cross plate shearing test can be carried out by controlling a computer and starting a motor, and the shearing parameters are monitored and recorded.
The embodiment also discloses a test method of the laboratory concrete early strength blade shearing test device, which comprises the following steps:
step 1: the cross plate penetrates into the detection sample;
step 2: collecting shearing data;
step 3: and processing and displaying the cut data.
Specifically, step 1 includes: the cross plate penetrates into the test sample, the concrete and soil sample 8 is moved to the test position of the test bed 2, the adjustment clamping mechanism fixes the test sample to be tested, and the left-right movement clamping mechanism adjusts the marking point on the test sample to be tested to be located right below the cross plate. And rotating the hand wheel, and enabling the cross plate to be settled under the load to penetrate the sample to the designated depth. The locking slide is then tightened so that it does not slip.
The step 2 comprises the following steps: collecting shearing data, selecting and setting proper shearing parameters according to the type of a shearing object through a computer control system, starting a motor to conduct a shearing test, and recording the shearing data in real time through a sensor;
the step 3 comprises the following steps: shearing data processing, wherein the shearing data can display the torque on a computer control system in real time, and output shearing strength and shearing curves (shearing rate-time curve, shearing angle-time curve and the like) according to a built-in shearing strength formula;
the shear strength formula is obtained based on the calculation of the size of a cross plate, a cylindrical shear loss surface with the height of H (the height of the blade) and the diameter of D (the width of the blade) is assumed to be generated in the soil body in the rotation process of the cross blade, the maximum moment of a measuring point is measured, and the non-drainage shear strength C of the soil body is obtained through conversion U 。
Example two
Referring to fig. 2, 3, 4 and 5, a laboratory is with concrete early strength blade shearing test device mainly includes triplex, test bench 2, shearing test system, data monitoring system, shearing test system mechanism is through the fixed effect of left side biax heart rectilinear motion guide rail 15 and linear lead screw module 4 on test bench 2, through adjusting rotation hand wheel 6 for the cross board penetrates the appointed degree of depth, servo motor 1 control shearing test, and monitoring system can monitor the change of moment of torsion in the shearing process.
Referring to fig. 1, the vane cross plate 11 is mainly shown in the figure, and the cross vane generates a cylindrical shearing surface with a height H (height of the vane) and a diameter D (width of the vane) in the rotation process, and the cylindrical shearing surface comprises a cylindrical shearing flank, a cylindrical upper and lower cutting bottom end and a cross plate connecting rod.
Referring to fig. 2, 3, 4 and 5, the middle parts of the left and right cross beams of the test device frame are respectively fixed with a vertical column, the right side of the left vertical column is provided with a double-shaft linear motion guide rail 15 fixedly connected by bolts, and the left side of the right vertical column is provided with a linear screw rod module 4 fixedly connected by bolts, and the left side and the right side are symmetrical. Four-wheel locking sliding blocks are respectively arranged on the double-shaft linear motion guide rail 15 and the linear screw rod module 4, and locking bolts are arranged on the sliding blocks, so that the linear screw rod module 4 cannot slide up and down in a locking state, and is connected with a gear reduction box 5 through a shaft, and is connected with a hand wheel 6 through a shaft.
Referring to fig. 2, 3, 4, 5, 6 and 7, a fixed supporting seat 14 is fixedly connected with a sliding block on a double-shaft linear motion guide rail 15 and a sliding block on a linear screw rod module 4 through bolts, a half-moon-shaped through hole is formed in the middle of the fixed supporting seat 14, the aperture is slightly larger than the outer diameter size of a drill chuck 12 of a drill chuck connecting shaft, and a transmission shaft assembly is clamped between a transmission shaft assembly fixing frame clamping plate 13 and the fixed supporting seat 14 through a middle hole in a bolt connection mode.
Referring to fig. 2, 3, 4, 5, 6 and 7, the hand wheel 6 rotates, the slide block on the linear screw rod module 4 slides downwards to drive the four-wheel locking slide block of the left guide rail to move downwards, the cross plate contacts and butts against the concrete and the soil, and the hand wheel 6 continues to rotate, so that the cross plate penetrates into a designated depth to prepare for a shearing test.
Referring to fig. 2, seen in the view direction of fig. 3, a sample positioning clamping mechanism 91 is fixed on a transverse beam at the lower end of a frame of the early strength blade shearing test device for laboratory concrete, the sample positioning clamping mechanism is tightly pressed and fixed through a stud, the stud passes through a corner bracket bolt hole, a clamping plate is connected to the front end of the stud, and a tightening bolt clamping force acts on a sample 8 to fix the concrete or soil sample; the influence on the accuracy of the detection result caused by the jumping of the test block in the spiral penetration detection process is prevented.
After the cross plate penetrates into the designated depth, the test parameters are adjusted through a control computer, the servo motor 1 is started to perform a cross plate shearing test, shearing data are monitored through a monitoring sensor, the torque is displayed in real time, and shearing strength and a shearing curve (a shearing rate-time curve, a shearing angle-time curve and the like) are output according to a built-in shearing strength formula.
In this embodiment, a method for testing the shear strength of concrete or soil by using the device for testing early strength blade shear of concrete for laboratory is also disclosed, and referring to fig. 1, in the process of shear test, the shear data is obtained by monitoring, and the data is substituted into the strength curve to perform strength detection.
Step 1: the cross plate penetrates into the detection sample;
step 2: shear data acquisition (control parameter setting, starting a motor);
step 3: processing and displaying the cut data;
specifically, the shear strength calculation formula and the optimized mathematical model establishment process comprise: the utility model provides a multidimensional analysis method for obtaining shearing torque T and concrete shearing strength C according to the law of conservation of energy U And optimizing the result through a mathematical model algorithm. The cross blade is assumed to generate a cylindrical shearing surface with the height of H (the height of the blade) and the diameter of D (the width of the blade) in the soil body in the rotating process, the maximum moment of a measuring point is measured, and the non-drainage shearing strength C of the soil body is obtained through conversion U . According to the law of conservation of energy, the soil body is measured to have the two parts of the resisting moment T1 of the side surface of the cylinder and the resisting moment T2 on the upper surface and the lower surface of the cylinder. I.e., t=t1+t2:
the torque resistance of the cylinder side is:
the anti-torque of the bottom surface of the cylinder is as follows:
wherein D, H is the width and height of the blade, D1 is the diameter of the shaft rod at the contact point with the blade (D1D):
shear strength:
wherein: t is the measured torque, D, H is the blade width and height.
The technical principles of the present utility model have been described above in connection with specific embodiments, which are provided for the purpose of explaining the principles of the present utility model and are not to be construed as limiting the scope of the present utility model in any way. Other embodiments of the utility model will be apparent to those skilled in the art from consideration of this specification without undue burden.
Claims (9)
1. Laboratory is with concrete early strength blade shearing test device, characterized in that includes: the system comprises a test bed, a shear test system and a data monitoring system;
the shear test system is arranged on the test bed and used for detecting a sample on the test bed;
the data monitoring system is arranged on the shear test system and used for collecting test data;
the shear test system and the data monitoring system are connected with a computer in a laboratory in a control manner;
wherein, the test stand includes: a cube-type frame, a sample positioning assembly, and a shear test system support mechanism;
the sample positioning component is fixedly arranged at the bottom of the cube-type frame and is fixedly connected with a frame at the bottom of the cube-type frame;
the cube-shaped frame is also provided with a left upright post mechanism and a right upright post mechanism;
the left upright post mechanism is connected with an upper frame and a lower frame on the left side of the cube-type frame;
the right upright post mechanism is connected with an upper frame and a lower frame on the right side of the cube-type frame;
the shear test system is connected with the left upright mechanism and the right upright mechanism and is arranged in the cube-type frame by means of the left upright mechanism and the right upright mechanism.
2. The apparatus of claim 1, wherein the device comprises a plurality of sensors,
the left column mechanism comprises: the device comprises a left upright post, a double-shaft center linear motion guide rail and a first four-wheel locking slide block;
the upper end and the lower end of the left upright post are respectively connected with the upper frame and the lower frame on the left side of the cube-type frame;
the double-shaft-center linear motion guide rail is vertically arranged on the left upright post and is positioned at one side of the left upright post facing the inside of the cube-type frame;
the first four-wheel locking slide block is arranged on the double-shaft linear motion guide rail and can slide or be locked and stopped on the double-shaft linear motion guide rail;
the first four-wheel locking sliding block is also connected with the shear test system.
3. The apparatus of claim 2, wherein the device comprises a plurality of sensors,
the right column mechanism includes: the device comprises a right upright post, a linear screw rod module and a second four-wheel locking slide block;
the upper end and the lower end of the right upright post are respectively connected with the upper frame and the lower frame on the right side of the cube-type frame;
the linear screw rod module is vertically arranged on the right upright post and is positioned at one side of the right upright post facing the inside of the cube-type frame;
the second four-wheel locking sliding block is arranged on the linear screw rod module and can slide or be locked and stopped on the linear screw rod module;
the second four-wheel locking sliding block is also connected with the shear test system.
4. The apparatus of claim 3, wherein the device comprises a plurality of sensors,
the right column mechanism further comprises: a gear reduction box and a hand wheel;
the gear reduction box is arranged on the linear screw rod module and is in driving connection with the linear screw rod module;
the hand wheel is in shaft driving connection with the gear reduction box, and can drive the linear screw rod module to drive the shear test system to move up and down through the gear reduction box.
5. The apparatus of claim 4, wherein the device comprises a plurality of sensors,
the shear test system includes: the drill chuck comprises a servo motor, a speed reducer, a drill chuck, a transmission shaft assembly fixing frame clamping plate, a fixing support seat and a blade cross plate;
the servo motor is in driving connection with the speed reducer;
the transmission shaft assembly of the speed reducer is in driving connection with the drill chuck;
the drill chuck is in driving connection with the blade cross plate;
the transmission shaft assembly fixing clamp plate is fixedly arranged on the fixing support seat;
the transmission shaft assembly of the speed reducer is fixed on the transmission shaft assembly fixing clamping plate.
6. The apparatus of claim 5, wherein the device comprises a plurality of sensors,
and two ends of the fixed supporting seat are respectively connected with the first four-wheel locking sliding block and the second four-wheel locking sliding block.
7. The apparatus of claim 6, wherein the device comprises a plurality of sensors,
the data monitoring system comprises: a data acquisition assembly and a sensor assembly;
the data acquisition assembly and the sensor assembly are both arranged on the shear test system;
the data acquisition component is in control connection with the sensor component;
the data acquisition component is also in communication connection with a computer in a laboratory.
8. The apparatus of claim 7, wherein the device comprises a plurality of sensors,
the vane cross plate includes: the cross plate connecting rod and the round column shear flanks;
the bottom end of the cross plate connecting rod is fixedly connected with the top of the shearing flank around the cylinder;
the top end of the cross plate connecting rod is fixedly connected with the drill chuck.
9. The apparatus of claim 8, wherein the device comprises a plurality of sensors,
the sample positioning assembly includes: a sample vertical supporting beam and a sample positioning clamping mechanism;
two ends of the vertical supporting cross beam of the sample are fixedly connected with the side frame at the bottom of the cube type frame;
the sample positioning clamping mechanism is arranged on the sample vertical supporting beam and can fix the sample on the sample vertical supporting beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320623050.XU CN219512009U (en) | 2023-03-27 | 2023-03-27 | Laboratory is with concrete early strength blade shearing test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320623050.XU CN219512009U (en) | 2023-03-27 | 2023-03-27 | Laboratory is with concrete early strength blade shearing test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219512009U true CN219512009U (en) | 2023-08-11 |
Family
ID=87549802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320623050.XU Active CN219512009U (en) | 2023-03-27 | 2023-03-27 | Laboratory is with concrete early strength blade shearing test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219512009U (en) |
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2023
- 2023-03-27 CN CN202320623050.XU patent/CN219512009U/en active Active
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