CN216144597U - Microcomputer controlled constant stress pressure tester - Google Patents
Microcomputer controlled constant stress pressure tester Download PDFInfo
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- CN216144597U CN216144597U CN202120445497.3U CN202120445497U CN216144597U CN 216144597 U CN216144597 U CN 216144597U CN 202120445497 U CN202120445497 U CN 202120445497U CN 216144597 U CN216144597 U CN 216144597U
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Abstract
The application relates to the technical field of cement performance detection, and discloses a microcomputer control constant stress compression testing machine, and it is including the supplementary centering device that is used for the lower bearing plate of bearing cement test block and is used for the cement test block location, supplementary centering device includes positioning mechanism and installation mechanism, installation mechanism is connected with lower bearing plate, positioning mechanism is connected with installation mechanism. This application has the effect that improves cement test block location convenience.
Description
Technical Field
The application relates to the field of cement performance detection, in particular to a microcomputer-controlled constant stress pressure testing machine.
Background
The pressure testing machine is a static force testing machine, is a common device used for mechanical property tests of materials, parts and components, has wide application, and is widely applied to scientific research units, colleges and universities, quality detection units and engineering construction units. The microcomputer controlled constant stress pressure tester is mainly used for testing the compression strength of cement mortar and concrete test block, and also can be used for the compression tests of rubber pads, tile bricks, metal products, components and other materials, and is an ideal test device for departments such as scientific research institute, cement quality inspection, industrial and mining enterprises, cement, mortar and the like.
Referring to fig. 1, most of the existing pressure testing machines include a base 500 and a hydraulic cylinder 600, wherein the hydraulic cylinder 600 is fixedly installed at one end of the base 500 far from the ground, and a piston rod of the hydraulic cylinder 600 is vertically arranged upwards; the top end of the piston rod is vertically and fixedly connected with a lower bearing plate 100, the positions of four corners of one end of the base 500 far away from the ground are vertically and fixedly connected with a support guide pillar 700, the lower bearing plate 100 is in sliding connection with the support guide pillar 700, the top end of the support guide pillar 700 is provided with an upper bearing mechanism 800, and the bottom end of the upper bearing mechanism 800 is fixedly connected with an upper bearing plate 900 which is horizontally arranged.
In view of the above-mentioned related art, the inventor believes that there is a defect that cement test blocks are not conveniently positioned when workers place the cement test blocks on the bearing plate.
SUMMERY OF THE UTILITY MODEL
In order to improve the convenience of cement test block location, the application provides a constant stress compression testing machine of microcomputer control.
The application provides a microcomputer control constant stress pressure testing machine adopts following technical scheme:
the utility model provides a computer control constant stress compression testing machine, is including the supplementary centering device that is used for the lower bearing plate of bearing cement test block and is used for cement test block location, supplementary centering device includes positioning mechanism and installation mechanism, installation mechanism is connected with lower bearing plate, positioning mechanism is connected with installation mechanism.
Through adopting above-mentioned technical scheme, utilize positioning mechanism to remove the cement test block, with cement test block and lower tray centering, improve the convenience of cement test block location, positioning mechanism passes through installation mechanism and is connected with lower bearing plate, improves the convenience of staff's operation.
Optionally, the installation mechanism includes the connecting piece with lower bearing plate transition fit, the connecting piece cover is established in the lower bearing plate outside, the connecting piece is connected with positioning mechanism.
Through adopting above-mentioned technical scheme, connecting piece and lower bearing plate transition fit, the dismantlement of the installation mechanism of being convenient for.
Optionally, the connecting piece is in threaded connection with two self-locking bolts, the two self-locking bolts are arranged oppositely, and bolt heads of the self-locking bolts penetrate through the connecting piece to be abutted against the lower bearing plate.
Through adopting above-mentioned technical scheme, utilize the auto-lock bolt to fix connecting piece and lower bearing plate to improve positioning mechanism's job stabilization nature, utilize two relative auto-lock bolts that set up to fix the connecting piece, reduce the eccentric possibility of connecting piece, improve positioning mechanism's accuracy.
Optionally, positioning mechanism includes two sets of locating component, and is two sets of the locating component sets up relatively, the locating component includes connecting block, first spring and butt board, two the axis of bearing plate sets up as symmetry axis symmetry below the connecting block, one side fixed connection of bearing plate under first spring one end and connecting block are close to, the one end and the butt board fixed connection of connecting block are kept away from to first spring.
Through adopting above-mentioned technical scheme, two butt joint boards that set up relatively carry out the centre gripping to the cement test block under the elastic force effect of first spring, make the cement test block be located the intermediate position between two connecting blocks to make the cement test block be located the intermediate position of bearing plate down, reach the effect to the cement test block centering.
Optionally, a guide rod penetrates through the connecting block, the guide rod is connected with the connecting block in a sliding mode, and one end of the guide rod is fixedly connected with the abutting plate in a perpendicular mode.
Through adopting above-mentioned technical scheme, utilize the guide bar to lead to the butt joint board, reduce the butt joint board atress and take place the possibility that deflects, improve locating component job stabilization nature.
Optionally, the connecting block is rotatably connected with a connecting piece, and the connecting piece is connected with a limiting assembly for limiting the rotation of the connecting block.
Through adopting above-mentioned technical scheme, the connecting block rotates with the connecting piece to be connected, and the cement test block location finishes the back, rotates the position of locating component to lower bearing plate one side, reduces the possibility that locating component influences the cement test block and detects, utilizes spacing subassembly to restrict the rotation of connecting block, reduces because the connecting block rotates the possibility that influences locating component to the cement test block positioning accuracy degree.
Optionally, the limiting assembly comprises a connecting plate, a limiting plate and a second spring, the connecting plate is inserted into the side wall of the connecting piece and is elastically connected with the connecting piece through the spring, the limiting plate is perpendicularly connected to one side, far away from the ground, of the connecting plate, and the limiting plate is abutted to the connecting block.
By adopting the technical scheme, the rotation of the connecting block is limited by the limiting plate, and the connecting plate is elastically connected with the connecting piece; when rotating the connecting block, the pulling limiting plate makes limiting plate and connecting block separation, rotates the connecting block again, the spacing convenient and fast of connecting block.
Optionally, a scale groove is formed in one end, away from the lower bearing plate, of the abutting plate.
Through adopting above-mentioned technical scheme, the scale groove is seted up to the one end of keeping away from lower bearing plate at the butt board, and the staff of being convenient for further adjusts the cement test block, improves the convenience of cement test block centering.
In summary, the present application includes at least one of the following beneficial technical effects:
1. positioning assemblies are arranged on two sides of the central axis of the lower bearing plate, two groups of positioning assemblies are symmetrically arranged by taking the central axis of the lower bearing plate as a symmetric axis, and the two groups of positioning assemblies are used for clamping a cement test block, so that the cement test block is moved to the middle position of the lower bearing plate, and the convenience of positioning the cement test block is improved;
2. the guide rod penetrates through the connecting block, the guide rod is connected with the connecting block in a sliding mode, one end of the guide rod is vertically and fixedly connected with the abutting plate, the abutting plate is guided by the guide rod, the possibility that the abutting plate deflects under stress is reduced, and the working stability of the positioning assembly is improved;
3. rotate through connecting block and connecting piece and be connected, the back is accomplished in the cement test block location, and the staff can rotate the position of bearing plate one side down with locating component, reduces the possibility that locating component influences the cement test block and detects.
Drawings
FIG. 1 is a schematic diagram of an overall structure of a related art according to an embodiment of the present application;
FIG. 2 is a schematic diagram of the overall structure of an embodiment of the present application;
fig. 3 is a schematic structural diagram of a positioning component part and a limiting component part according to an embodiment of the present application.
Description of reference numerals: 100. a lower bearing plate; 200. an auxiliary centering device; 300. a positioning mechanism; 310. a positioning assembly; 311. connecting blocks; 312. a first spring; 313. a butt joint plate; 314. a guide bar; 315. a scale groove; 320. a limiting component; 321. a connecting plate; 322. a limiting plate; 323. a second spring; 400. an installation mechanism; 410. a connecting member; 420. a self-locking bolt; 500. a base; 600. a hydraulic cylinder; 700. supporting the guide post; 800. an upper pressure bearing mechanism; 900. and an upper bearing plate.
Detailed Description
The present application is described in further detail below with reference to figures 2-3.
The embodiment of the application discloses a microcomputer control constant stress pressure testing machine. Referring to fig. 2 and 3, the microcomputer-controlled constant stress compression testing machine comprises a lower bearing plate 100 for bearing a cement test block, wherein the lower bearing plate 100 is fixedly connected with an auxiliary centering device 200, and the auxiliary centering device 200 is used for assisting a worker in positioning the cement test block. The auxiliary centering device 200 includes a mounting mechanism 400 for coupling with the lower bearing plate 100, and the mounting mechanism 400 is fixedly coupled with the lower bearing plate 100. The positioning mechanism 300 is rotatably connected above the mounting mechanism 400, and the cement test block is moved by the positioning mechanism 300 to the middle position of the lower bearing plate 100. The installation mechanism 400 is connected with the limiting component 320, and the rotation of the positioning mechanism 300 is limited by the limiting component 320, so that the possibility that the positioning accuracy of the positioning component 310 on the cement test block is influenced by the rotation of the connecting block 311 is reduced.
Referring to fig. 2 and 3, the cross section of the lower pressure bearing plate 100 is circular, the mounting mechanism 400 includes an annular connector 410, the connector 410 is sleeved on the outer side of the lower pressure bearing plate 100, and the connector 410 is in transition fit with the lower pressure bearing plate 100. Two self-locking bolts 420 are connected to the outer wall of the connecting member 410 through threads, the two self-locking bolts 420 are symmetrically arranged on the diameter of the lower bearing plate 100, and the self-locking bolts 420 penetrate through the connecting member 410 to abut against the side wall of the lower bearing plate 100. The connecting member 410 is transition-fitted to the lower bearing plate 100, so as to facilitate the detachment of the auxiliary centering device 200. The connecting piece 410 is fixed by two symmetrically arranged self-locking bolts 420, so that the relative movement between the connecting piece 410 and the lower bearing plate 100 is limited, and the installation stability of the auxiliary centering device 200 is improved. Meanwhile, the two self-locking bolts 420 are symmetrically arranged, and the self-locking bolts 420 are rotated to fix the connecting piece 410, so that the possibility of eccentricity of the connecting piece 410 is reduced, and the accuracy of the positioning mechanism 300 is improved.
Referring to fig. 2 and 3, the positioning mechanism 300 includes two sets of positioning members 310 disposed opposite to each other, and the two sets of positioning members 310 are disposed symmetrically with respect to the axis of symmetry of the lower bearing plate 100. The positioning assembly 310 includes a connection block 311, and the connection block 311 is rotatably connected to the upper end of the connection member 410. The connecting block 311 is provided with a guide rod 314 through, the guide rod 314 is slidably connected with the connecting block 311, and the guide rod 314 is parallel to the plane of the lower bearing plate 100. One end of the guide rod 314 close to the lower bearing plate 100 is vertically and fixedly connected with an abutting plate 313, the abutting plate 313 is elastically connected with the connecting block 311 through a first spring 312, and the first spring 312 is sleeved on the outer side of the guide rod 314.
When placing the cement test block on the bearing plate, the connecting block 311 is rotated, so that the two guide rods 314 are positioned on the same straight line, the two abutting plates 313 are positioned between the two connecting blocks 311, the cement test block is placed between the two abutting plates 313, the two abutting plates 313 move the cement test block under the elastic action of the springs, the spring pressure applied to the two abutting plates 313 is the same, and the cement test block is moved to the middle position of the lower bearing plate 100. The guide rod 314 is used for guiding the movement of the abutting plate 313, so that the possibility that the abutting plate 313 deflects due to stress in the moving process is reduced.
Referring to fig. 3, a scale groove 315 is formed in the upper end of the abutting plate 313, and the worker further adjusts the cement test block according to the scale groove 315, so that the cement test block is located at the center of the disc.
Referring to fig. 3, the limiting assembly 320 includes a connecting plate 321 inserted into a sidewall of the connecting member 410, the connecting plate 321 is elastically connected to the connecting member 410 through a second spring 323, and a limiting plate 322 for limiting the rotation of the connecting block 311 is vertically and fixedly connected to an upper end of the connecting plate 321. The rotation of the connecting block 311 is limited by the limiting component 320, and the possibility that the positioning component 310 influences the positioning accuracy of the cement test block due to the rotation of the connecting block 311 is reduced. After the cement test block is positioned, the positioning component 310 is rotated to the position on one side of the lower bearing plate 100, so that the possibility that the positioning component 310 influences the detection of the cement test block is reduced. When the connecting block 311 is rotated, the limiting plate 322 is pulled to separate the limiting plate 322 from the connecting block 311, and then the connecting block 311 is rotated, so that the limiting of the connecting block 311 is convenient and fast.
The implementation principle of the microcomputer-controlled constant stress pressure testing machine in the embodiment of the application is as follows: when a microcomputer-controlled constant stress pressure testing machine is used for detecting the performance of a cement test block, the limiting plate 322 is pulled to separate the limiting plate 322 from the connecting block 311, the connecting block 311 is rotated to enable the two guide rods 314 to be located on the same straight line and the two abutting plates 313 to be located between the two connecting blocks 311, the cement test block is placed between the two abutting plates 313, the two abutting plates 313 move the cement test block under the elastic force action of the spring, the spring pressure applied to the two abutting plates 313 is the same, and the cement test block is moved to the middle position of the lower bearing plate 100. The staff further adjusts the cement test block according to the scale groove 315 of the upper end of the abutting plate 313, so that the cement test block is located at the center of the disc.
After the cement test block is positioned, the limiting plate 322 is pulled to separate the limiting plate 322 from the connecting block 311, the connecting block 311 is rotated, the positioning component 310 is rotated to the position on one side of the lower pressure bearing plate 100, and the possibility that the positioning component 310 affects the detection of the cement test block is reduced.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A microcomputer-controlled constant stress pressure tester is characterized in that: including lower bearing plate (100) that is used for bearing cement test block and supplementary centering device (200) that is used for cement test block location, supplementary centering device (200) are including positioning mechanism (300) and installation mechanism (400), installation mechanism (400) are connected with lower bearing plate (100), positioning mechanism (300) are connected with installation mechanism (400).
2. The microcomputer controlled constant stress pressure tester according to claim 1, wherein: the installation mechanism (400) comprises a connecting piece (410) in transition fit with the lower bearing plate (100), the connecting piece (410) is sleeved on the outer side of the lower bearing plate (100), and the connecting piece (410) is connected with the positioning mechanism (300).
3. The microcomputer controlled constant stress pressure tester according to claim 2, wherein: the connecting piece (410) is in threaded connection with two self-locking bolts (420), the two self-locking bolts (420) are arranged oppositely, and bolt heads of the self-locking bolts (420) penetrate through the connecting piece (410) to be abutted against the lower bearing plate (100).
4. The microcomputer controlled constant stress pressure tester according to claim 1, wherein: positioning mechanism (300) are including two sets of locating component (310), and are two sets of locating component (310) sets up relatively, locating component (310) includes connecting block (311), first spring (312) and butt plate (313), two the axis of bearing plate (100) below connecting block (311) sets up for symmetry axis symmetry, one side fixed connection of bearing plate (100) is close to down in first spring (312) one end and connecting block (311), the one end and butt plate (313) fixed connection of connecting block (311) are kept away from in first spring (312).
5. The microcomputer controlled constant stress pressure tester according to claim 4, wherein: the connecting block (311) is provided with a guide rod (314) in a penetrating mode, the guide rod (314) is connected with the connecting block (311) in a sliding mode, and one end of the guide rod (314) is vertically and fixedly connected with the abutting plate (313).
6. The microcomputer controlled constant stress pressure tester according to claim 5, wherein: the connecting block (311) is rotatably connected with a connecting piece (410), and the connecting piece (410) is connected with a limiting component (320) for limiting the rotation of the connecting block (311).
7. The microcomputer controlled constant stress pressure tester according to claim 6, wherein: spacing subassembly (320) are including connecting plate (321), limiting plate (322) and second spring (323), connecting plate (321) are pegged graft on the lateral wall of connecting piece (410) and connecting plate (321) pass through spring and connecting piece (410) elastic connection, limiting plate (322) are connected perpendicularly in one side that ground was kept away from in connecting plate (321), limiting plate (322) and connecting block (311) butt.
8. The microcomputer controlled constant stress pressure tester according to claim 4, wherein: and a scale groove (315) is formed in one end, far away from the lower bearing plate (100), of the abutting plate (313).
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CN202120445497.3U CN216144597U (en) | 2021-03-02 | 2021-03-02 | Microcomputer controlled constant stress pressure tester |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN114527007A (en) * | 2022-04-24 | 2022-05-24 | 徐州三和鑫诚新型建材有限公司 | High-precision strength detection device for concrete formula test |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114527007A (en) * | 2022-04-24 | 2022-05-24 | 徐州三和鑫诚新型建材有限公司 | High-precision strength detection device for concrete formula test |
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