CN215339224U - Four-point bending testing device - Google Patents
Four-point bending testing device Download PDFInfo
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- CN215339224U CN215339224U CN202121822225.7U CN202121822225U CN215339224U CN 215339224 U CN215339224 U CN 215339224U CN 202121822225 U CN202121822225 U CN 202121822225U CN 215339224 U CN215339224 U CN 215339224U
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Abstract
The utility model relates to the technical field of four-point bending test devices, in particular to a four-point bending test device which comprises a frame, a supporting cylinder, a pressing block, a stud, a base, a rotating shaft, a threaded sleeve, a sliding block assembly, a bolt, a portable mechanical property tester and a pressure sensor, wherein the supporting cylinder is arranged on the frame; the sliding block assembly is arranged at the upper end of the frame and comprises a base, a first sliding block and a second sliding block. In the utility model, the totally-enclosed frame structure has smaller structural deformation during testing and more accurate and reliable data; the pressure sensor is arranged, so that pressure data can be observed in real time, and more visual data can be provided for testing; the base is added, and the frame rotates around the base, so that the stress is applied to a test piece during testing and the portable mechanical property tester is convenient to mount; the frame is provided with the threaded mounting hole for the sliding block, so that the test of the portable mechanical property tester is realized, the conventional measuring mode of attaching the strain gauge is improved, and more data can be selected and the accuracy is higher; the use of the slide block can realize the measurement of multiple points and any point at one time.
Description
Technical Field
The utility model relates to the technical field of four-point bending test devices, in particular to a four-point bending test device.
Background
The portable mechanical property tester can be used for measuring various mechanical properties of a test piece, when various mechanical properties of the test piece under a certain bending degree are tested, a four-point bending test device is needed to apply external force to the test piece to enable the test piece to keep bending at a certain degree, and then the portable mechanical property tester is used for testing. The existing four-point bending test device has the following problems: most of the test data are Contraband-shaped structures, and when the test data are in work, deformation is inevitably generated, so that the accuracy of the test data is influenced; the pressure applied to the test piece can be estimated only by hand feeling, and the pressure is difficult to apply accurately; when the portable mechanical property tester is used, pressure is not conveniently applied to a test piece, and the portable mechanical property tester is not convenient to install and quickly test at multiple points.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a four-point bending test device which is high in accuracy and convenient to use, aiming at the problems in the background art.
The technical scheme of the utility model is as follows: a four-point bending test device comprises a frame, a support cylinder, a press block, a stud, a base, a rotating shaft, a threaded sleeve, a sliding block assembly, a bolt, a portable mechanical property tester and a pressure sensor; the upper end of the frame is vertically provided with a sliding chute, and the side wall of the frame is horizontally provided with a transverse hole in a penetrating way; the transverse hole is communicated with the sliding chute, and a round hole is horizontally arranged at the upper end of the side wall of the transverse hole; the round hole is vertical to the transverse hole; the supporting cylinder is arranged at the upper end of the transverse hole, and two ends of the supporting cylinder are respectively arranged in the circular holes on the side walls of two sides of the transverse hole; the pressing block is arranged inside the sliding chute in a sliding mode along the vertical direction, two groups of pressing points are arranged at the upper end of the pressing block, and a pressure sensor is arranged at the lower end of the pressing block; the lower end of the pressure sensor is in threaded connection with a threaded sleeve; the stud is vertically arranged at the bottom end of the frame in a penetrating manner and is in threaded connection with the frame, the upper end of the stud is rotatably connected with the threaded sleeve, and the lower end of the stud is provided with a square head convenient for rotating the stud; one side of the lower end of the frame is horizontally provided with a rotating shaft and is rotationally connected with the base through the rotating shaft; the bolt is arranged at the lower end of the frame and is used for connecting the frame and the base; the sliding block assembly is arranged at the upper end of the frame and comprises a base, a first sliding block and a second sliding block; the base is arranged at the upper end of the frame and is positioned above the sliding groove; the first sliding block is arranged at the upper end of the base in a sliding mode along a horizontal straight line; the second sliding block is arranged at the upper end of the first sliding block in a sliding mode along a horizontal straight line, and the moving direction of the second sliding block is perpendicular to that of the first sliding block; a hole is vertically formed in the first sliding block; the hole penetrates through the base and the first sliding block and is communicated with the sliding groove; the portable mechanical property tester is vertically arranged on the second sliding block, the testing end is downward, and the portable mechanical property tester is arranged in the hole.
Preferably, two sides of the lower end of the frame are respectively provided with a group of mounting holes; the pivot setting is inside a set of mounting hole, and the base is connected in the rotation of both ends.
Preferably, set up the sliding block that plays the guide effect on the lateral wall of briquetting to slide through the sliding block and set up inside the spout, the lower extreme sets up vertical screw hole, and through screw hole threaded connection pressure sensor's upper end.
Preferably, the upper end of the stud penetrates through the lower end of the threaded sleeve, and a circular groove is formed in the side wall of the upper end; the circular groove is positioned inside the threaded sleeve, and a check ring is arranged inside the circular groove; the upper end of the stud is rotatably connected with the threaded sleeve through the circular groove and the check ring.
Preferably, two ends of the rotating shaft are sleeved with gaskets; the gasket is located between the side wall of the frame and the base.
Preferably, the upper end of the frame is provided with a threaded mounting hole; the base is disposed on the frame through a threaded mounting hole.
Compared with the prior art, the utility model has the following beneficial technical effects:
in the present invention,
1. the totally-enclosed frame structure has smaller structural deformation during testing and more accurate and reliable data;
2. the pressure sensor is arranged, so that pressure data can be observed in real time, and more visual data can be provided for testing;
3. the base is added, and the frame rotates around the base, so that the stress is applied to a test piece during testing and the portable mechanical property tester is convenient to mount;
4. the frame is provided with the threaded mounting hole for the sliding block, so that the test of the portable mechanical property tester is realized, the conventional measuring mode of attaching the strain gauge is improved, and more data can be selected and the accuracy is higher; the use of the slide block can realize the measurement of multiple points and any point at one time.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is an appearance schematic diagram of fig. 1.
Fig. 3 is a schematic structural view of the frame of fig. 1.
FIG. 4 is a schematic diagram of the compact of FIG. 1.
Fig. 5 is a schematic structural view of the slider assembly of fig. 1.
Reference numerals: 1. a frame; 101. a chute; 102. a transverse bore; 103. a circular hole; 2. a support cylinder; 3. briquetting; 301. pressing points; 302. a slider; 303. a threaded hole; 4. a stud; 401. a square head; 402. a circular groove; 5. a base; 6. a rotating shaft; 7. a threaded sleeve; 8. a gasket; 9. a slider assembly; 901. a base; 902. a first sliding block; 903. a second sliding block; 10. a bolt; 11. a portable mechanical property tester; 12. a pressure sensor; 13. a test block to be detected; 14. and a retainer ring.
Detailed Description
As shown in fig. 1-5, the four-point bending testing device provided by the utility model comprises a frame 1, a supporting cylinder 2, a pressing block 3, a stud 4, a base 5, a rotating shaft 6, a threaded sleeve 7, a sliding block assembly 9, a bolt 10, a portable mechanical property tester 11 and a pressure sensor 12; the upper end of the frame 1 is vertically provided with a sliding chute 101, and the side wall of the frame 1 is horizontally provided with a transverse hole 102 in a penetrating manner; the transverse hole 102 is communicated with the sliding chute 101, and a round hole 103 is horizontally arranged at the upper end of the side wall of the transverse hole 102; the circular hole 103 is perpendicular to the transverse hole 102; the supporting cylinder 2 is arranged at the upper end of the transverse hole 102, and two ends of the supporting cylinder are respectively arranged in the round holes 103 on the side walls of two sides of the transverse hole 102; the pressing block 3 is arranged inside the sliding chute 101 in a sliding mode along the vertical direction, two groups of pressing points 301 are arranged at the upper end of the pressing block, and the pressure sensor 12 is arranged at the lower end of the pressing block; the lower end of the pressure sensor 12 is connected with a threaded sleeve 7 in a threaded manner; the stud 4 vertically penetrates through the bottom end of the frame 1 and is in threaded connection with the frame 1, the upper end of the stud is rotatably connected with the threaded sleeve 7, and the lower end of the stud is provided with a square head 401 convenient for rotating the stud 4; a rotating shaft 6 is horizontally arranged on one side of the lower end of the frame 1 and is rotatably connected with a base 5 through the rotating shaft 6; the bolt 10 is arranged at the lower end of the frame 1 and is used for connecting the frame 1 and the base 5; the sliding block assembly 9 is arranged at the upper end of the frame 1 and comprises a base 901, a first sliding block 902 and a second sliding block 903; the base 901 is arranged at the upper end of the frame 1 and above the chute 101; the first sliding block 902 is arranged at the upper end of the base 901 in a sliding mode along a horizontal straight line; the second sliding block 903 is arranged at the upper end of the first sliding block 902 in a sliding manner along a horizontal straight line, and the moving direction of the second sliding block is vertical to that of the first sliding block 902; a hole is vertically formed in the first sliding block 902; the hole penetrates through the base 901 and the first sliding block 902 and is communicated with the sliding groove 101; the portable mechanical property tester 11 is vertically arranged on the second sliding block 903, and the testing end is downward and arranged inside the hole.
In an optional embodiment, two sides of the lower end of the frame 1 are respectively provided with a group of mounting holes; the rotating shaft 6 is arranged in a group of mounting holes, and the two ends of the rotating shaft are rotatably connected with the base 5.
In an alternative embodiment, a sliding block 302 for guiding is disposed on the side wall of the pressing block 3, and is slidably disposed inside the sliding chute 101 through the sliding block 302, and a vertical threaded hole 303 is disposed at the lower end, and is threadedly connected to the upper end of the pressure sensor 12 through the threaded hole 303.
In an alternative embodiment, the upper end of the stud 4 passes through the lower end of the threaded sleeve 7, and a circular groove 402 is arranged on the side wall of the upper end; the circular groove 402 is positioned inside the threaded sleeve 7, and the retainer ring 14 is arranged inside the circular groove 402; the upper end of the stud 4 is rotatably connected with the threaded sleeve 7 through the circular groove 402 and the retainer ring 14.
In an alternative embodiment, two ends of the rotating shaft 6 are sleeved with gaskets 8; the spacer 8 is located between the side wall of the frame 1 and the base 5.
In an alternative embodiment, the upper end of the frame 1 is provided with a threaded mounting hole; the base 901 is provided on the frame 1 through a screw-threaded mounting hole.
In this embodiment, the test object is thickness is less than 30mm, width 60mm, the test block 13 of waiting of length 200mm, fall frame 1 around pivot 6, will wait to examine test block 13 and insert in horizontal hole 102 afterwards, rotatory double-screw bolt 4, drive briquetting 3 will wait to examine test block 13 and press to required pressure, pressure sensor 12 transmits pressure data in real time, stand frame 1 afterwards, and with frame 1 and base 5 dead with bolt 10 lock, then install portable mechanical properties tester 11 and slider component 9 in frame 1 upper end, carry out mechanical properties to waiting to examine test block 13 and test.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (6)
1. A four-point bending test device is characterized by comprising a frame (1), a supporting cylinder (2), a press block (3), a stud (4), a base (5), a rotating shaft (6), a threaded sleeve (7), a sliding block assembly (9), a bolt (10), a portable mechanical property tester (11) and a pressure sensor (12);
the upper end of the frame (1) is vertically provided with a sliding chute (101), and the side wall of the frame (1) is horizontally provided with a transverse hole (102) in a penetrating manner; the transverse hole (102) is communicated with the sliding chute (101), and a round hole (103) is horizontally arranged at the upper end of the side wall of the transverse hole (102); the round hole (103) is perpendicular to the transverse hole (102); the supporting cylinder (2) is arranged at the upper end of the transverse hole (102), and two ends of the supporting cylinder are respectively arranged in the circular holes (103) on the side walls of two sides of the transverse hole (102); the pressing block (3) is arranged inside the sliding chute (101) in a sliding mode along the vertical direction, two groups of pressing points (301) are arranged at the upper end of the pressing block, and a pressure sensor (12) is arranged at the lower end of the pressing block; the lower end of the pressure sensor (12) is connected with a threaded sleeve (7) in a threaded manner; the stud (4) vertically penetrates through the bottom end of the frame (1) and is in threaded connection with the frame (1), the upper end of the stud is rotatably connected with the threaded sleeve (7), and the lower end of the stud is provided with a square head (401) convenient for rotating the stud (4); a rotating shaft (6) is horizontally arranged on one side of the lower end of the frame (1) and is rotatably connected with the base (5) through the rotating shaft (6); the bolt (10) is arranged at the lower end of the frame (1) and is used for connecting the frame (1) and the base (5);
the sliding block assembly (9) is arranged at the upper end of the frame (1) and comprises a base (901), a first sliding block (902) and a second sliding block (903); the base (901) is arranged at the upper end of the frame (1) and is positioned above the sliding chute (101); the first sliding block (902) is arranged at the upper end of the base (901) in a sliding mode along a horizontal straight line; the second sliding block (903) is arranged at the upper end of the first sliding block (902) in a sliding mode along a horizontal straight line, and the moving direction of the second sliding block is perpendicular to the moving direction of the first sliding block (902); a hole is vertically formed in the first sliding block (902); the hole penetrates through the base (901) and the first sliding block (902) and is communicated with the sliding groove (101); the portable mechanical property tester (11) is vertically arranged on the second sliding block (903), and the testing end is downward and arranged in the hole.
2. The four-point bending test device according to claim 1, wherein a group of mounting holes are respectively arranged on two sides of the lower end of the frame (1); the rotating shaft (6) is arranged in the group of mounting holes, and the two ends of the rotating shaft are rotatably connected with the base (5).
3. The four-point bending test device according to claim 1, wherein the side wall of the press block (3) is provided with a sliding block (302) for guiding, the sliding block (302) is slidably arranged inside the sliding groove (101), the lower end of the press block is provided with a vertical threaded hole (303), and the press block is in threaded connection with the upper end of the pressure sensor (12) through the threaded hole (303).
4. The four-point bending test device according to claim 1, wherein the upper end of the stud (4) passes through the lower end of the threaded sleeve (7), and a circular groove (402) is arranged on the side wall of the upper end; the circular groove (402) is positioned inside the threaded sleeve (7), and a retainer ring (14) is arranged inside the circular groove (402); the upper end of the stud (4) is rotatably connected with the threaded sleeve (7) through the circular groove (402) and the retainer ring (14).
5. The four-point bending test device according to claim 1, wherein both ends of the rotating shaft (6) are sleeved with gaskets (8); the gasket (8) is positioned between the side wall of the frame (1) and the base (5).
6. The four-point bending test device according to claim 1, wherein the upper end of the frame (1) is provided with a threaded mounting hole; the base (901) is arranged on the frame (1) through a threaded mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121822225.7U CN215339224U (en) | 2021-08-05 | 2021-08-05 | Four-point bending testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121822225.7U CN215339224U (en) | 2021-08-05 | 2021-08-05 | Four-point bending testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215339224U true CN215339224U (en) | 2021-12-28 |
Family
ID=79575954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121822225.7U Active CN215339224U (en) | 2021-08-05 | 2021-08-05 | Four-point bending testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215339224U (en) |
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2021
- 2021-08-05 CN CN202121822225.7U patent/CN215339224U/en active Active
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