CN216247529U

CN216247529U - Tension-compression-bending-torsion load test testing device

Info

Publication number: CN216247529U
Application number: CN202122789575.4U
Authority: CN
Inventors: 李森; 刘太元; 刘程程; 刘晓; 李泽邦; 周忠豪; 胡平; 辛桂振; 金圣哲
Original assignee: Qingdao Marine Engineering Underwater Equipment Testing Co ltd
Current assignee: Qingdao Marine Engineering Underwater Equipment Testing Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-04-08
Anticipated expiration: 2031-11-15

Abstract

The utility model belongs to the technical field of testing machines, and discloses a tension-compression-bending-torsion load test testing device which comprises an oil cylinder, wherein an earring stand column is fixedly arranged above the oil cylinder, a fixed column is fixedly arranged above the earring stand column, a main cross beam is movably connected above the fixed column, a load sensor and a displacement sensor are fixedly arranged above the oil cylinder, a supporting table is fixedly arranged on the left side of the oil cylinder, and a tripod is fixedly arranged on the front side of the supporting table. The utility model increases the pressure of the oil cylinder and the capacity of the load sensor, thereby improving the range of detectable objects, and increases the stability of the tripod and the reinforcing fixed platform to facilitate the application of internal pressure, so that the test is more in line with the composite working condition, and the practicability of the testing machine is enhanced.

Description

Tension-compression-bending-torsion load test testing device

Technical Field

The utility model belongs to the technical field of testing machines, and particularly relates to a tension-compression-bending-torsion load test testing device.

Background

The load test device is a physical property testing instrument, most of the existing load test devices have small testing force, the requirements cannot be met when mechanical property tests such as stretching, bending and compression are carried out, and the height of a detection position cannot be adjusted according to a detected object, so that the size of the detectable object is limited.

Most of the existing load test devices are placed on the concrete ground, but when the underwater connector and the vertical pipe connector are tested, due to the fact that the test force is large, the risk that a detection object is placed unstably and topples over in the test process exists, and therefore the test fails.

SUMMERY OF THE UTILITY MODEL

The utility model provides a tension-compression-bending-torsion load test device which has the advantages of large test force, enlarged detection range and stable object detection and can effectively solve the problems.

The technical scheme of the utility model is as follows: the utility model provides a draw-press-bend-turn round load test testing arrangement, includes the hydro-cylinder, the top fixed mounting of hydro-cylinder has the earrings stand, the top fixed mounting of earrings stand has the fixed column, the top swing joint of fixed column has the main beam, the top fixed mounting of hydro-cylinder has load sensor and displacement sensor, the equal swing joint in both ends has the bolt pivot about the main beam, the double flange connecting plate has been placed to the left end of hydro-cylinder, the front end activity joint of bolt pivot has the fixed plate.

According to a preferred technical scheme, a fixed table is fixedly connected to the left end of the double-flange connecting plate, a first moving groove is formed in the right end of the fixed table, a moving plate is movably clamped above the first moving groove, a supporting rod is fixedly mounted at the lower end of the moving plate, a positioning plate is movably clamped at the lower end of the supporting rod, a second moving groove is formed in the front end of the positioning plate, a spring is fixedly mounted at the right end of the second moving groove, a ball body is movably clamped at the lower end of the supporting rod, and the probability of movement of the double-flange connecting plate is reduced by fixing the position of the double-flange connecting plate through the fixed table.

As a preferred technical scheme of the utility model, the earring upright post, the fixing post and the bolt rotating shaft are all centered and symmetrical about a longitudinal central axis of the main cross beam, the left end and the right end of the main cross beam are both provided with grooves, the fixing post is movably sleeved with the earring upright post, and the upper end of the fixing post is provided with a hole, the position of an object to be detected in the detection process can be monitored in a relatively ready manner by the position of the displacement sensor, the grooves at the left end and the right end of the main cross beam are used for the positions of the fixing post and the main cross beam, the height of the main cross beam can be adjusted according to the object to be detected by the relationship between the fixing post and the earring upright post and the hole at the upper end, and a large load is applied and tested by the oil cylinder and the sensor, so that the device can detect the object requiring large pressure.

According to a preferable technical scheme of the utility model, the bolt rotating shaft is composed of a rotating shaft in the middle of a turntable at the front end and a threaded bolt at the rear end, the fixed plate is fixedly installed at the front end of the main beam, the double-flange connecting plates are two and fixedly installed at the lower end of the main beam and the ground, the left side of the oil cylinder is fixedly provided with the supporting table, the left end and the right end of the top of the supporting table are respectively and fixedly provided with the control system and the hydraulic source control device, the front side of the supporting table is fixedly provided with the tripod, the upper end of the tripod is fixedly provided with the torque force application device, the threaded bolt at the rear end of the bolt rotating shaft can move when the turntable at the front end is rotated by the bolt rotating shaft and the relation between the bolt rotating shaft and the fixed plate, and an object to be detected can be better detected and fixed by the double-flange connecting plates.

As a preferred technical scheme of the utility model, the fixed table, the first moving groove, the moving plate, the support rod, the positioning plate, the second moving groove, the spring and the sphere are all centrally symmetrical around a longitudinal middle axial plane of the double-flange connecting plate, the support rod, the second moving groove, the spring and the sphere are all centrally symmetrical around a transverse middle axial plane of the positioning plate, the fixation of the object to be detected in the detection process is enhanced through the positions of the fixed table, the first moving groove, the moving plate and the like, the probability of toppling of the object to be detected is reduced, the moving plate can descend when the object to be detected is deformed after being pressed through the positions of the support rod, the second moving groove, the spring and the like, so that the moving plate does not interfere with the detection result, and the mechanical property of applying internal pressure to the object to be detected can be tested through the fixation of the detection sample.

As a preferred technical solution of the present invention, the left and right ends of the spring are respectively and fixedly mounted at the right ends of the support rod and the second moving groove, the longitudinal section of the fixed table is triangular, the support rod is movably connected inside the first moving groove by the position of the spring, the stability of the fixed table is increased by the shape of the fixed table, and the position between the moving plate and the support rod and the first moving groove is also stable, the tripod is arranged on the lower surface of the cross beam, a pure bending moment is applied to the end of the test piece and the test piece is centered and constrained, and the torque force applying device is arranged on the platform to apply a pure torque to the bottom of the test piece and to center and constrain the test piece.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model increases the range of the detectable object by increasing the pressure of the oil cylinder and the range of the load sensor, and the bolt rotating shaft can move in the groove of the main beam by the fixed plate fixedly arranged at the front end of the main beam and the bolt rotating shaft movably connected with the left end and the right end of the main beam to control the position relation of the fixed column and the main beam, thereby adjusting the height of the main beam when detecting different objects, increasing the range of the detectable object and enhancing the practicability of the testing machine.

2. According to the utility model, when the main cross beam descends to the top end of the moving plate or the object to be detected deforms, the moving plate can be extruded to move downwards along the first moving groove, so that the ball at the lower end of the supporting rod moves in the second moving groove, the extruding spring moves rightwards, and the spring can push the supporting rod to move upwards after the moving plate is no longer stressed, so that the moving plate can reduce the probability of toppling over of the object to be detected and does not interfere with the detection result of the object to be detected.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

FIG. 3 is a cross-sectional view of the main beam of the present invention;

FIG. 4 is a cross-sectional view of a locating plate of the present invention;

FIG. 5 is an enlarged view of the utility model at B of FIG. 4.

In the figure: 1. an oil cylinder; 2. an earring post; 3. fixing a column; 4. a main cross beam; 5. a load sensor; 6. a displacement sensor; 7. a bolt rotating shaft; 8. a double-flange connecting plate; 9. a fixed table; 10. a first moving slot; 11. moving the plate; 12. a support bar; 13. positioning a plate; 14. a second moving slot; 15. a spring; 16. a sphere; 17. a fixing plate; 18. a tripod; 19. a hydraulic source control device; 20. a control system; 21. a torque force application device.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 5, the utility model provides a pull-press-bend-twist load test device, which comprises an oil cylinder 1, wherein an earring upright post 2 is fixedly installed above the oil cylinder 1, a fixed post 3 is fixedly installed above the earring upright post 2, a main cross beam 4 is movably connected above the fixed post 3, a load sensor 5 and a displacement sensor 6 are fixedly installed above the oil cylinder 1, the left end and the right end of the main cross beam 4 are both movably connected with a plug pin rotating shaft 7, a double-flange connecting plate 8 is placed at the left end of the oil cylinder 1, and a fixing plate 17 is movably clamped at the front end of the plug pin rotating shaft 7.

The left end of the double-flange connecting plate 8 is fixedly connected with a fixed table 9, a first moving groove 10 is formed in the right end of the fixed table 9, a moving plate 11 is movably clamped above the first moving groove 10, a supporting rod 12 is fixedly mounted at the lower end of the moving plate 11, a positioning plate 13 is movably clamped at the lower end of the supporting rod 12, a second moving groove 14 is formed in the front end of the positioning plate 13, a spring 15 is fixedly mounted at the right end of the second moving groove 14, a ball 16 is movably clamped at the lower end of the supporting rod 12, and the probability that the double-flange connecting plate 8 moves is reduced through the position of the fixed table 9 for fixing the double-flange connecting plate 8.

Wherein, earring stand 2, fixed column 3 and bolt pivot 7 all use main beam 4's vertical axis to central symmetry, main beam 4 all sets up slottedly in both ends about, fixed column 3 cup joints with earring stand 2 activity and the hole has been seted up to the upper end, the position through displacement sensor 6 obtains the comparatively accurate displacement information of test, the groove at both ends is used for fixed column 3 and main beam 4's position about through main beam 4, through the relation of fixed column 3 and earring stand 2 and the hole of upper end, make main beam 4 can be according to waiting to detect object adjustment height, can apply and detect the power of a thousand two thousand five hundred thousand cattle through hydro-cylinder 1 and load cell 5, make the object of the great pressure of device detectable needs.

Wherein, bolt pivot 7 comprises the axis of rotation at the carousel middle part of front end and the threaded bolt of rear end, fixed plate 17 fixed mounting is at the front end of main beam 4, two flange joint board 8 are total and fixed mounting is in the lower extreme and the ground of main beam 4, the left side fixed mounting of hydro-cylinder 1 has a brace table, both ends fixed mounting respectively has control system 20 and hydraulic pressure source controlling means 19 about the brace table top, the positive fixed mounting of brace table has tripod 18, the upper end fixed mounting of tripod 18 has moment of torsion thrust augmentation device 21, through the constitution of bolt pivot 7 and the relation of bolt pivot 7 and fixed plate 17, make bolt pivot 7 rotate the threaded bolt of bolt pivot 7 rear end can remove when the carousel of front end, can be better detection and the fixed object that awaits measuring through the constitution of flange joint board 8.

The fixed table 9, the first moving groove 10, the moving plate 11, the supporting rod 12, the positioning plate 13, the second moving groove 14, the spring 15 and the sphere 16 are centrally symmetrical by taking a longitudinal middle axial plane of the double-flange connecting plate 8 as a center, the supporting rod 12, the second moving groove 14, the spring 15 and the sphere 16 are respectively two and are centrally symmetrical by taking a transverse middle axial plane of the positioning plate 13, the fixing table 9, the first moving groove 10, the moving plate 11 and the like are used for strengthening the fixation of an object to be detected in the detection process, the probability of the object to be detected toppling is reduced, the moving plate 11 can descend when the object to be detected is deformed after being pressed by the positions of the supporting rod 12, the second moving groove 14, the spring 15 and the like, so that the moving plate 11 does not interfere with the detection result, and the mechanical property of applying internal pressure to the object to be detected can be tested by stably placing the object.

The left end and the right end of a spring 15 are respectively and fixedly arranged at the right ends of a supporting rod 12 and a second moving groove 14, the longitudinal section of a fixed table 9 is triangular, the supporting rod 12 is movably connected in the first moving groove 10 through the position of the spring 15, the stability of the fixed table 9 is improved through the shape of the fixed table 9, the positions of a moving plate 11, the supporting rod 12 and the first moving groove 10 are also stable, a tripod is arranged on the lower surface of a cross beam, pure bending moment is applied to the end part of a test piece, centering constraint is carried out on the test piece, a torque force applying device 21 is integrally arranged in front of an oil cylinder 1, a hydraulic source of the torque force applying device 21 is arranged on the tripod, and the tripod inclines to a 45-degree mounting base; a hydraulic cylinder, a load sensor and a connecting rod are arranged between the tripod and the fixed platform to form a stress application assembly, and the two ends of the stress application assembly are hinged; the force application assembly applies pure torque to the bottom of the fixed table, and the fixed table rotates within +/-10 degrees.

The working principle and the using process of the utility model are as follows:

when the device works, the oil cylinder 1 is started, the extending height of the fixed column 3 is adjusted and then the bolt rotating shaft 7 is rotated according to the height of an object to be detected, the threaded bolt at the rear end of the bolt rotating shaft 7 fixes the positions of the fixed column 3 and the main cross beam 4, the object to be detected is placed in the middle of the double-flange connecting plate 8, then the main cross beam 4 is lowered through the oil cylinder 1, the bearable pressure of the object to be detected is observed through the load sensor 5, the fixed table 9 can enable the position of the double-flange connecting plate 8 to be more stable when the oil cylinder 1 works, the possibility of displacement caused by high pressure is reduced, when the main cross beam 4 is lowered to the top end of the movable plate 11 or the object to be detected is deformed, the movable plate 11 can be extruded to move downwards along the first moving groove 10, the ball 16 at the lower end of the supporting rod 12 moves inside the second moving groove 14, the extruding spring 15 moves rightwards, when the main cross beam 4 moves upwards to the upper end of the movable plate 11 and the object to be detected is not deformed any more, at that time, the spring 15 can push the supporting rod 12 to move leftwards, so that the moving plate 11 moves upwards, the moving plate 11 can always protect the object to be detected, the possibility that the object to be detected is toppled over is reduced, the moving plate 11 does not interfere with the detection result of the object to be detected, the hydraulic source drives the force application assembly to apply pure torque to the bottom of the fixed table, the fixed table rotates, and the object to be detected rotates along with the fixed table.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a draw-press-bend-turn round load test testing arrangement, includes hydro-cylinder (1), its characterized in that: the top fixed mounting of hydro-cylinder (1) has earring stand (2), the top fixed mounting of earring stand (2) has fixed column (3), the top swing joint of fixed column (3) has main beam (4), the top fixed mounting of hydro-cylinder (1) has load sensor (5) and displacement sensor (6), the equal swing joint in both ends has bolt pivot (7) about main beam (4), double flange connecting plate (8) have been placed to the left end of hydro-cylinder (1), the front end activity joint of bolt pivot (7) has fixed plate (17).

2. A tension-compression-bending-torsion load test apparatus as claimed in claim 1, wherein: the left end fixedly connected with fixed station (9) of two flange joint board (8), first shifting chute (10) have been seted up to the right-hand member of fixed station (9), the top activity joint of first shifting chute (10) has movable plate (11), the lower extreme fixed mounting of movable plate (11) has bracing piece (12), the lower extreme activity joint of bracing piece (12) has locating plate (13), second shifting chute (14) have been seted up to the front end of locating plate (13), the right-hand member fixed mounting of second shifting chute (14) has spring (15), the lower extreme activity joint of bracing piece (12) has spheroid (16).

3. A tension-compression-bending-torsion load test apparatus as claimed in claim 1, wherein: earring stand (2), fixed column (3) and bolt pivot (7) all use the vertical axis of main beam (4) to the central symmetry, both ends all set up slottedly about main beam (4), fixed column (3) cup joint with earring stand (2) activity and the hole has been seted up to the upper end.

4. A tension-compression-bending-torsion load test apparatus as claimed in claim 1, wherein: bolt pivot (7) comprise the axis of rotation at the carousel middle part of front end and the threaded bolt of rear end, fixed plate (17) fixed mounting is at the front end of main beam (4), two flange joint board (8) are total and fixed mounting is in the lower extreme and the ground of main beam (4), the left side fixed mounting of hydro-cylinder (1) has a supporting bench, both ends fixed mounting respectively have control system (20) and hydraulic pressure source controlling means (19) about supporting bench top, the positive fixed mounting of supporting bench has tripod (18), the upper end fixed mounting of tripod (18) has moment of torsion thrust augmentation device (21).

5. A tension-compression-bending-torsion load test apparatus as claimed in claim 2, wherein: the fixed station (9), the first moving groove (10), the moving plate (11), the supporting rod (12), the positioning plate (13), the second moving groove (14), the spring (15) and the ball body (16) are in central symmetry by taking a longitudinal central axial plane of the double-flange connecting plate (8), and the supporting rod (12), the second moving groove (14), the spring (15) and the ball body (16) are in central symmetry by taking two transverse central axial planes of the positioning plate (13).

6. A tension-compression-bending-torsion load test apparatus as claimed in claim 2, wherein: the left end and the right end of the spring (15) are respectively and fixedly arranged at the right ends of the supporting rod (12) and the second moving groove (14), and the longitudinal section of the fixed table (9) is triangular.