CN212932241U - Tester for detecting flexural strength of plate - Google Patents
Tester for detecting flexural strength of plate Download PDFInfo
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- CN212932241U CN212932241U CN202021630812.1U CN202021630812U CN212932241U CN 212932241 U CN212932241 U CN 212932241U CN 202021630812 U CN202021630812 U CN 202021630812U CN 212932241 U CN212932241 U CN 212932241U
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Abstract
The utility model relates to the technical field of mechanical test instruments and discloses a tester for detecting the bending strength of a plate, which comprises a workbench and a frame fixed on the workbench; the workbench is connected with a pressure-bearing mechanism, a pressure-applying mechanism is correspondingly arranged above the pressure-bearing mechanism, and the pressure-applying mechanism is connected to the rack; the pressure applying mechanism comprises a lifting screw rod and a pressure applying rod connected to the lifting screw rod; the pressure applying rod is arranged above the pressure bearing mechanism, and a force sensor is movably connected between the pressure applying rod and the lifting screw rod; the pressure mechanism is connected with a control assembly which controls the pressure mechanism to press the plate samples on the pressure bearing mechanism. Use the technical scheme of the utility model, this test instrument of detecting panel rupture strength is strong in reliability, and getting of panel sample is convenient, and detection operation is simple and convenient, through the performance that detects the evaluation panel that can be better to control panel's quality.
Description
Technical Field
The utility model relates to a mechanical test instrument technical field especially relates to a detect tester of panel rupture strength.
Background
The breaking strength is also called bending strength and breaking modulus, and refers to the ultimate breaking stress when a unit area of a material bears bending moment. Whether the proportion of the particles is reasonable, the size and the number of the pores, whether the organization structure is uniform and consistent, whether the bonding among the particles is firm and the like are important factors for determining the breaking strength of the refractory material. Along with the development of the building industry and the improvement of the requirements on the building quality, the performance requirements of related building materials are higher and higher, and particularly, buildings such as hospitals, schools, markets, high-grade office buildings, high-grade houses and the like which have high requirements on service performance further put higher requirements on the service performance of the building materials and decorative materials, particularly the safety performance and the durability performance of the materials. The plate sold on the market at present has the phenomenon that the plate does not meet the standard, some manufacturers suffer from no visual measuring method, and some manufacturers are good. Under the background, as gypsum boards are widely used by various buildings, the improvement and the improvement of the safety and the durability of the gypsum boards are the targets of the common efforts of people. Aiming at the factors, the invention provides the tester for detecting the flexural strength of the gypsum board, so that the board can be conveniently and effectively detected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a detect tester of panel rupture strength to solve among the prior art panel and detect inconvenient so that the above-mentioned technical problem of the not good accuse of panel quality.
In order to realize the purpose, the utility model discloses a technical scheme be:
a tester for detecting the bending strength of a plate comprises a workbench and a rack fixed on the workbench; the workbench is connected with a pressure-bearing mechanism, a pressure-applying mechanism is correspondingly arranged above the pressure-bearing mechanism, and the pressure-applying mechanism is connected to the rack; the pressure applying mechanism comprises a lifting screw rod and a pressure applying rod connected to the lifting screw rod; the pressure applying rod is arranged above the pressure bearing mechanism, and a force sensor is movably connected between the pressure applying rod and the lifting screw rod; the pressure mechanism is connected with a control assembly which controls the pressure mechanism to press the plate samples on the pressure bearing mechanism.
According to the tester for detecting the flexural strength of the plate, the top of the frame is provided with the fixing plate for fixing the control assembly and the pressure mechanism; the pressure applying mechanism also comprises a power assembly for driving the lifting screw rod to lift; the lifting screw rod penetrates through the fixing plate and is connected with the force sensor.
According to the tester for detecting the flexural strength of the plate, the power component comprises a servo motor and a speed reducer in transmission connection with the servo motor; the speed reducer is in transmission connection with the lifting screw rod.
According to the tester for detecting the bending strength of the plate, the control assembly comprises a control plate and a software board card connected to the control plate; and the control board is electrically connected with a driver for controlling the servo motor.
According to the utility model discloses a test instrument of detection panel rupture strength, be equipped with the bottom plate on the workstation.
According to the tester for detecting the flexural strength of the plate, the pressure-bearing mechanism comprises two pressure-bearing assemblies which are connected on the bottom plate and move relatively; and the two pressure bearing assemblies protrude out of the bottom plate and are used for placing a plate sample.
According to the tester for detecting the flexural strength of the plate, the bottom plate is provided with the slide way; the pressure-bearing assembly comprises a pressure-bearing bottom plate in sliding connection with the slide way and a pressure-bearing rod fixed above the pressure-bearing bottom plate.
According to the utility model discloses a test instrument of detection panel rupture strength, bearing bar, pressure application rod parallel arrangement.
The utility model has the advantages that:
by applying the technical scheme of the utility model, the plate sample is placed on the pressure-bearing mechanism and supported by the pressure-bearing mechanism during working; a pressure applying rod of the pressure applying mechanism is adjusted corresponding to the plate sample, and the lifting screw rod drives the pressure applying rod to move downwards to press the plate sample under the control of the control assembly; the force sensor can measure various performance parameters of the plate sample during pressing, and the performance parameters are used for data processing to analyze the quality of the plate. This test instrument that detects panel flexural strength is strong in reliability, and getting of panel sample is put the convenience, and detection operation is simple and convenient, through the performance that detects the evaluation panel that can be better to control panel's quality.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention;
FIG. 2 is a schematic top view of FIG. 1;
FIG. 3 is a schematic structural view of the power assembly (partially, with the housing hidden);
FIG. 4 is a schematic view of the reducer in cooperation with the lifting screw;
FIG. 5 is a schematic view of the engagement of a pressure bar with a pressure bar;
FIG. 6 is a schematic view of the engagement of the pressure bearing assembly with the baseplate;
FIG. 7 is a schematic illustration of the relative movement of the pressure containing assembly;
reference numerals:
the device comprises a speed reducer 1, a servo motor 2, a software board card 3, a power supply 4, a servo driver 5, a pressure bearing rod 6, a pressure applying rod 7, a bottom plate 8, a slide rail 9, a lifting screw rod 10, a force sensor 11, a microcomputer 12, a fan 13, a workbench 15, a rack 16, a shell 17, a pressure bearing assembly 19, a pressure applying mechanism 20, a control assembly 21, a fixing nut 22, a pressure bearing bottom plate 23, a bolt 24 and a fixing plate 25.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to the attached drawings. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Example one
Referring to fig. 1-7, the present invention provides a testing apparatus for testing the bending strength of a sheet material, which includes a worktable 15 and a frame 16 fixed on the worktable 15; the workbench 15 is connected with a pressure-bearing mechanism, a pressure-applying mechanism 20 is correspondingly arranged above the pressure-bearing mechanism, and the pressure-applying mechanism 20 is connected to the rack 16; the pressure applying mechanism 20 comprises a lifting screw rod 10 and a pressure applying rod 7 connected to the lifting screw rod 10; the pressure applying rod 7 is arranged above the pressure bearing mechanism, and a force sensor 11 is movably connected between the pressure applying rod 7 and the lifting screw rod 10; the pressing mechanism 20 is connected with a control assembly 21 which controls the pressing mechanism to press the plate samples on the pressure bearing mechanism.
By applying the technical scheme of the utility model, the plate sample is placed on the pressure-bearing mechanism and supported by the pressure-bearing mechanism during working; the pressing rod 7 of the pressing mechanism 20 is adjusted corresponding to the plate sample, and the lifting screw rod 10 drives the pressing rod 7 to move downwards to press the plate sample under the control of the control assembly 21; the pressing force sensor 11 can measure various performance parameters of the plate sample.
The tester for detecting the flexural strength of the plate is further improved as follows:
a fixing plate 25 for fixing the control assembly 21 and the pressing mechanism 20 is arranged at the top of the frame 16; the pressing mechanism 20 further comprises a power assembly for driving the lifting screw rod 10 to lift; the lifting screw rod passes through the fixing plate 25 and is connected with the force sensor 11.
The power assembly comprises a servo motor 2 and a speed reducer 1 in transmission connection with the servo motor 2; the speed reducer 1 is in transmission connection with a lifting screw rod 10. As shown in fig. 3 and 4.
The casing 17 may be disposed outside the control unit 21, the fixing plate 25, and the power unit.
The lifting screw rod 10 drives the pressure applying rod 7 to press the plate sample in the descending process, and the force sensor 11 can measure various performance parameters of the plate sample.
The control assembly 21 comprises a control board and a software board card 3 connected to the control board; the control board is electrically connected with a driver for controlling the servo motor 2. As shown in fig. 2.
The control assembly 21 is used for controlling the lifting operation of the lifting screw 10. The model of the software board card 3 is RJD-S300.
And a bottom plate 8 is arranged on the workbench 15.
As shown in fig. 5-7, the pressure-bearing mechanism includes two pressure-bearing assemblies 19 connected to the bottom plate 8 and moving relatively; two pressure-bearing assemblies 19 protrude out of the bottom plate 8 and are used for placing plate samples.
The bottom plate 8 is provided with a slideway 9; the pressure-bearing assembly 19 comprises a pressure-bearing bottom plate 23 connected with the slideway 9 in a sliding manner and a pressure-bearing rod 6 fixed above the pressure-bearing bottom plate 23.
The pressure bearing rod 6 and the pressure applying rod 7 are arranged in parallel.
The sliding distance of the two pressure-bearing assemblies 19 can be set to 220mm, namely the length of the slideway 9. The distance is controlled to adapt to the plate samples with various sizes, and the plate samples are supported. Regarding the sliding connection, two ends of each pressure-bearing bottom plate 23 are correspondingly provided with a slide way 9; and bolts 24 are connected to both ends of the pressure-bearing bottom plate 23. After passing through the slideway 9, the bolt 24 is screwed with the fixing nut 22, and the pressure bearing assembly 19 can be locked on the pressure bearing bottom plate 23 by screwing the fixing nut 22.
Example two
The following describes a specific application of the tester for detecting the flexural strength of the plate in the first embodiment. The tester for detecting the flexural strength of the board is an instrument for automatically detecting the flexural strength of the gypsum board by utilizing computer control and mechanical transmission. The device can be divided into a microcomputer control system, a data acquisition device consisting of a force sensor 11 and a power device driven by a worm gear and a worm (a worm gear forms a speed reducer 1) driven by a servo motor 2. The computer of the microcomputer control system and the software board card 3 instruct the servo motor 2 to rotate so as to drive the worm wheel and drive the worm to move to generate external force, the matching force sensor 11 is used for automatically detecting the bending strength of the gypsum board, and the computer can directly display the bending strength (MPa), the breaking load (N) when the gypsum board is subjected to bending and other related data. The tester for detecting the flexural strength of the plate has high detection automation degree, can be configured with measurement and control software of an embedded Windows operating system environment, displays test data and curves in real time, can automatically control the test process, automatically obtains the test result after the test is finished, can realize three loading modes of force speed, displacement speed and programming, can meet the test requirements of different standards, and adopts a servo control system to accurately control the detection process; the touch screen can be adopted for control, so that man-machine conversation is facilitated; the travel limiting and positive and negative force value overload protection functions can be arranged inside the tester, and the tester is prevented from being damaged due to misoperation. The software is simple and easy to use, the design is reasonable, the operation is convenient, the precision is high, and the method is suitable for wide popularization.
Further, referring to fig. 1-7, a tester for detecting the flexural strength of a plate specifically includes a speed reducer 1, a servo motor 2, a software board 3, a power supply 4, a servo driver 5, a pressure-bearing rod 6, a pressure-applying rod 7, a bottom plate 8, a slideway 9, a lifting screw rod 10, a force sensor 11, a microcomputer 12, a fan 13, and a rack 16; the bottom plate 8 is provided with pressure-bearing rods 6, and the bottom plate 8 is provided with a slideway 9 for adjusting the distance between the pressure-bearing rods 6; the upper part of the bottom plate 8 is connected with a servo motor 2 through a speed reducer 1 to drive a lifting screw rod 10 to move up and down accurately. A force sensor 11 is arranged on the lifting screw rod 10, a pressure applying rod 7 is arranged below the force sensor 11, the power supply 4 can be powered by an external power supply and is responsible for supplying power to the software board card 3, the servo driver 5 and the microcomputer 12, and the model of the software board card 3 is RJD-S300. Alternatively, the microcomputer 12 may be mounted on the front of the top of the housing 16.
The servo motor 2 is a power unit for driving the reduction gear 1. The force sensor 11 is electrically connected with the software board card 3 and the microcomputer 12; the data collected by the force sensor 11 can be visually displayed on a computer screen after being processed by the software board card 3.
When the tester for detecting the flexural strength of the plate works, a plate sample is placed on the pressure bearing rod 6, the pressure applying rod 7 is well adjusted, and a corresponding test scheme (the scheme corresponds to a detection item) is selected on test software of the microcomputer 12, so that the test can be started. Until the test is finished, the result data and the corresponding curve chart are displayed on the microcomputer 12 and can be stored in the computer so as to be called later, and if plate samples with various specifications exist, the bearing rod 6 can be rapidly adjusted through the slide 9 to carry out the next test. The distance between the two rods of the bearing rod 6 can be adjusted by the slide rail 9 arranged on the bottom plate 8, so that various plate samples within the detection specification range of the device can be tested conveniently, the microcomputer 12 is connected with the software board card 3, the servo motor 2 is controlled by the servo driver 5, the transmission is realized through the speed reducer 1, the data are transmitted to a microcomputer system from the force sensor 11, the precision is high, the reliability is high, the data display is more direct, corresponding data and a curve graph can be obtained quickly, a report is generated and stored in the microcomputer system, the numerical value does not need to be read manually, the automation degree and the intelligent degree are improved, and the report can be exported and printed. Can set up limit function to safer protection equipment does not receive the damage, can dispose the test scheme of multiple detection panel flexural strength, can select the editor as required, and is more intelligent, simple operation, simple and clear.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (8)
1. A tester for detecting the bending strength of a plate is characterized by comprising a workbench and a rack fixed on the workbench; the workbench is connected with a pressure-bearing mechanism, a pressure-applying mechanism is correspondingly arranged above the pressure-bearing mechanism, and the pressure-applying mechanism is connected to the rack; the pressure applying mechanism comprises a lifting screw rod and a pressure applying rod connected to the lifting screw rod; the pressure applying rod is arranged above the pressure bearing mechanism, and a force sensor is movably connected between the pressure applying rod and the lifting screw rod; the pressure mechanism is connected with a control assembly which controls the pressure mechanism to press the plate samples on the pressure bearing mechanism.
2. The tester for detecting the flexural strength of the plate according to claim 1, wherein a fixing plate for fixing the control assembly and the pressing mechanism is arranged at the top of the rack; the pressure applying mechanism also comprises a power assembly for driving the lifting screw rod to lift; the lifting screw rod penetrates through the fixing plate and is connected with the force sensor.
3. The tester for detecting the flexural strength of the plate according to claim 2, wherein the power assembly comprises a servo motor and a speed reducer in transmission connection with the servo motor; the speed reducer is in transmission connection with the lifting screw rod.
4. The tester for detecting the flexural strength of the plate according to claim 3, wherein the control assembly comprises a control board and a software board card connected to the control board; and the control board is electrically connected with a driver for controlling the servo motor.
5. The tester for detecting the flexural strength of the plate according to claim 1, wherein a bottom plate is arranged on the workbench.
6. The tester for detecting the flexural strength of the plate according to claim 5, wherein the pressure-bearing mechanism comprises two pressure-bearing assemblies which are connected to the bottom plate and move relatively; and the two pressure bearing assemblies protrude out of the bottom plate and are used for placing a plate sample.
7. The tester for detecting the flexural strength of the board according to claim 6, wherein the bottom board is provided with a slideway; the pressure-bearing assembly comprises a pressure-bearing bottom plate in sliding connection with the slide way and a pressure-bearing rod fixed above the pressure-bearing bottom plate.
8. The tester for testing the flexural strength of a plate according to claim 7, wherein the pressure-bearing rod and the pressure-applying rod are arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021630812.1U CN212932241U (en) | 2020-08-07 | 2020-08-07 | Tester for detecting flexural strength of plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021630812.1U CN212932241U (en) | 2020-08-07 | 2020-08-07 | Tester for detecting flexural strength of plate |
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| Publication Number | Publication Date |
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| CN212932241U true CN212932241U (en) | 2021-04-09 |
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| CN202021630812.1U Active CN212932241U (en) | 2020-08-07 | 2020-08-07 | Tester for detecting flexural strength of plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113376027A (en) * | 2021-06-16 | 2021-09-10 | 广东劳卡家具有限公司 | Plate deformation resistance evaluating device and method |
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2020
- 2020-08-07 CN CN202021630812.1U patent/CN212932241U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113376027A (en) * | 2021-06-16 | 2021-09-10 | 广东劳卡家具有限公司 | Plate deformation resistance evaluating device and method |
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