CN114894600A

CN114894600A - Device for multiple mechanical property tests

Info

Publication number: CN114894600A
Application number: CN202210427923.XA
Authority: CN
Inventors: 颜莹莹; 颜晶晶; 徐艺
Original assignee: Fujian Zhongdian Hengsheng Power Technology Co ltd
Current assignee: Fujian Zhongdian Hengsheng Power Technology Co ltd
Priority date: 2022-04-22
Filing date: 2022-04-22
Publication date: 2022-08-12

Abstract

The invention discloses a device for multiple mechanical property tests, which belongs to the technical field of mechanical property equipment and comprises a transverse sliding rail, wherein two groups of bases are controlled by a driving device to move, the bases are composed of two groups of L-shaped frames, the vertical ends of the L-shaped frames are provided with clamping components, the clamping components are used for fixedly mounting workpiece clamps on the L-shaped frames, the workpiece clamps are provided with workpieces to be tested, a support is mounted on a support of the transverse sliding rail, a static load loading device and a dynamic load loading device are mounted on the support, the static load loading device carries out loading tests through a driving end mounted on a fixed seat, the dynamic load loading device adjusts the position of the load tests through a lifting device, one side of the support is provided with a control box, the detection efficiency of the mechanical property of the equipment and the safety of the test process are improved while the labor participation and labor cost are reduced, and can meet the test requirements of different mechanical properties.

Description

Device for multiple mechanical property tests

Technical Field

The invention relates to the technical field of mechanical performance test equipment, in particular to a device for multiple mechanical performance tests.

Background

The mechanical property is a set of common indexes of metal materials and is an important material performance index used in the design of mechanical products; in general purpose mechanical products, mechanical parts are used in normal temperature, normal pressure and non-strong corrosive media, so special requirements under special use states are not considered.

The resistance of a metal material to damage under the action of a load is called mechanical property (or called mechanical property); the quality of the service performance of the metal material determines the service range and the service life of the metal material, the mechanical performance of the metal material is the main basis for the design and material selection of parts, the external load properties (such as tension, compression, torsion, impact, cyclic load and the like) are different, and the mechanical performance required by the metal material is also different.

Although related equipment for mechanical performance tests is available on the market at present, the manual participation degree in the test process is high, so that the test efficiency is low, the safety is low, and the labor cost is further increased.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide a testing device which can improve the mechanical performance detection efficiency of equipment and the safety of a testing process and can meet different mechanical performance testing requirements while ensuring that the manual participation and the labor cost are reduced.

In order to achieve the purpose, the invention adopts the following technical scheme:

the invention provides a device for multiple mechanical property tests, which comprises transverse sliding rails, wherein two groups of bases are controlled by a driving device to move, each base comprises two groups of L-shaped frames, the vertical ends of the L-shaped frames are provided with clamping components, the clamping components are used for fixedly mounting workpiece clamps on the L-shaped frames, and workpieces to be tested are mounted on the workpiece clamps;

the support of the transverse sliding rail is provided with a support, the support is provided with a static load loading device and a dynamic load loading device, the static load loading device is used for carrying out loading test through a driving end arranged on a fixed seat, the dynamic load loading device is used for adjusting the position of the loading test through a lifting device, one side of the support is provided with a control box, the static load loading device is controlled through the control box 13 to carry out loading test on a workpiece clamp 4, and the workpiece can be detected in different mechanical properties according to the test requirements of the workpiece, wherein the static load loading test comprises but is not limited to bending, stretching, torsion and other tests of the workpiece, the corresponding dynamic load loading device is arranged according to the requirements of the dynamic load test, and the dynamic load loading device is controlled to move through the lifting device according to the relevant test requirements of the mechanical properties and the position of the workpiece, and make the dynamic load loading device carry out the loading test to the work piece under the effect of motor to obtain relevant experimental data, wherein the dynamic load loading test includes but not limited to work piece striking test etc. and through control box control, realize the mechanical properties test to different work pieces or equipment, reduce artifical participation, guarantee experimental security, further improve experimental efficiency and accuracy, and application scope is wide.

The invention has the preferable technical scheme that the clamping assembly comprises a first clamping part and a second clamping part, wherein the first clamping part is rotatably connected with two sides of the vertical end of the L-shaped frame, the second clamping part is in threaded connection with the vertical end of the L-shaped frame, clamping press plates are in threaded connection with the first clamping part, one ends of two groups of the first clamping parts, which are far away from each other, are provided with grooves matched with the clamping ends of the second clamping part, and the first clamping part and the second clamping part are used for fixing workpiece clamps with different direction requirements, so that the workpiece clamps can better adapt to the requirements of tests, and the application range of the clamping assembly is enlarged.

The workpiece clamp comprises a clamping seat arranged on a clamping assembly, an installation plate is connected to the clamping seat in a rotating mode, a plurality of groups of clamp bodies are arranged on the periphery of one side of the installation plate, the clamp bodies are connected with the installation plate in a sliding mode, mechanical performance tests of workpieces or different positions of equipment can be achieved, and the accuracy of test results is guaranteed through fixation of the clamp bodies.

The invention has the preferable technical scheme that a roller assembly corresponding to the clamp body is arranged on one side of the mounting plate, which is far away from the clamp body, the roller assembly is in transmission connection through a belt, a rotating shaft of the roller assembly penetrates through the mounting plate, and a plurality of groups of adjusting assemblies for driving the clamp body to move are arranged, and the adjusting assemblies act on one side of the clamp body, which is close to the mounting plate, so that workpieces or equipment with different sizes are clamped, the use range of the workpieces or equipment to be tested is enlarged, and the test cost is reduced.

The invention has the preferable technical scheme that the clamp body comprises a supporting rod which is connected with the mounting plate in a sliding manner, one end of the supporting rod is provided with a sleeve, a sliding rod is connected in the sleeve in a sliding manner, one side of the sliding rod is provided with an F-shaped rod, and the vertical end of the F-shaped rod is provided with a clamping jaw for fixing a workpiece, so that the clamping jaw can clamp and position different workpieces or equipment, and the accuracy of a loading test is improved.

The invention has the preferable technical scheme that the adjusting component comprises a spiral track arranged at one end of the rotating shaft close to the clamping jaw, the spiral radian of the spiral track is gradually increased along the direction close to the mounting plate, the spiral track is in sliding connection with a rotating wheel arranged at one side of the sliding rod, the clamping jaw is used for clamping and fixing workpieces or equipment with different sizes, the application range is wide, the operation and the control are convenient, and the human participation and the labor cost are reduced.

The invention has the preferable technical scheme that one end of each of the static load loading device and the dynamic load loading device is provided with a loading part, each loading part comprises a loading head and a detection device, each detection device comprises a sensor arranged on the static load loading device and a detector arranged in the control box and used for acquiring dynamic load data, and test results are transmitted to the control box through the sensors and the detectors so as to obtain corresponding test data.

The invention has the preferable technical scheme that the dynamic load loading device comprises a connecting assembly arranged on a fixed shaft of a lifting device, the fixed shaft is rotationally connected to a movable frame, the lifting device drives the movable frame to move so as to control the movement of the load loading device, a swing rod is arranged at one end of the connecting assembly, one end of the swing rod is fixedly connected with a loading part through a bolt, the loading part drives the fixed shaft to rotate through a motor so as to realize the test of the dynamic load of a workpiece, and the corresponding loading part is selected to be arranged on the dynamic load loading device according to the test requirements so as to realize different loading tests, such as the impact test of the workpiece.

The invention preferably adopts the technical scheme that the connecting assembly comprises a connecting seat fixed with the oscillating bar, two groups of holding plates are arranged on the connecting seat, one group of holding plates are fixedly connected with the connecting seat, the other group of holding plates are rotatably connected with the connecting seat, one ends of the two groups of holding plates are provided with connecting parts, the two groups of holding plates are arranged on a fixed shaft of the lifting device through the two groups of connecting parts and are fixed with the fixed shaft through bolts, the dynamic load loading device is arranged on the movable frame through the holding plates and is fixed through the matching of the bolts and the connecting parts so as to ensure that the loading part carries out loading tests on workpieces or equipment.

The invention preferably adopts the technical scheme that the sensor and the detector are in telecommunication connection with the control box, and test data are transmitted to the information receiver in the control box so as to acquire data of different mechanical property tests.

Compared with the prior art, the invention has the beneficial effects that: the control box controls the static load loading device to carry out loading tests on the workpiece clamp, and can detect different mechanical properties of the workpiece according to the test requirements of the workpiece, wherein the static load loading tests include but are not limited to bending, stretching, twisting and other tests of the workpiece; according to the requirements of the dynamic load test, the corresponding dynamic load loading device is installed, the dynamic load loading device is controlled to move through the lifting device according to the related test requirements of mechanical performance and the position of a workpiece, the dynamic load loading device is enabled to carry out loading test on the workpiece under the action of the motor, so that related test data are obtained, wherein the dynamic load loading test comprises but is not limited to tests such as workpiece impact, the mechanical performance tests on different workpieces or equipment are realized through control of the control box, the manual participation is reduced, the test safety is ensured, the test efficiency and accuracy are further improved, and the application range is wide.

The testing device provided by the invention can improve the mechanical performance detection efficiency of equipment and the safety of a testing process while ensuring that the manual participation and the labor cost are reduced, and can meet different mechanical performance testing requirements.

Drawings

FIG. 1 is a schematic structural diagram of a mechanical property testing apparatus provided in an embodiment of the present invention;

FIG. 2 is a schematic diagram of an installation position of the work holder and the base according to the embodiment of the present invention;

FIG. 3 is a side view of a workpiece holder configuration provided in an embodiment of the present invention;

FIG. 4 is a rear view of a workpiece holder configuration provided in an embodiment of the present invention;

FIG. 5 is a schematic view of a base structure provided in an embodiment of the present invention;

FIG. 6 is a schematic view of a coupling assembly provided in an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a lifting device according to an embodiment of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a transverse slide rail; 11. a support; 12. a lifting device; 121. a movable frame; 13. a control box; 14. a fixed seat; 15. a driving end; 2. a base; 3. a clamping assembly; 31. a first clamping portion; 32. a second clamping portion; 33. slotting; 34. clamping the pressing plate; 4. a workpiece holder; 41. a clamping seat; 42. mounting a plate; 43. a clamp body; 431. a strut; 432. a sleeve; 433. a slide bar; 434. an F-shaped rod; 435. a claw; 5. a roller assembly; 51. a belt; 6. an adjustment assembly; 61. a spiral track; 62. a rotating wheel; 7. a dynamic load loading device; 71. a loading member; 72. a swing rod; 8. a connecting assembly; 81. a connecting seat; 82. a holding plate; 83. A connecting portion.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

A device for multiple mechanical property tests comprises a transverse sliding rail 1 which controls two groups of bases 2 to move through a driving device, wherein the bases 2 are composed of two groups of L-shaped frames, the vertical ends of the L-shaped frames are provided with clamping components 3, the clamping components 3 are used for fixedly mounting workpiece clamps 4 on the L-shaped frames, the workpiece clamps 4 are mounted with workpieces to be tested, the workpiece clamps 4 are mounted on the transverse ends of the L-shaped frames according to the position requirements of the workpiece clamps 4 and the tools to be tested and are fixed through the clamping components 3, and therefore the stability of the workpiece clamps 4 is guaranteed, and the accuracy of the tests is improved; the support of the transverse sliding rail 1 is provided with a bracket 11, wherein the transverse sliding rail 1 is arranged on two sides of the support, and a plurality of workpieces can be tested simultaneously according to the test requirements so as to improve the test efficiency; the static load loading device and the dynamic load loading device 7 are arranged on the bracket 11, the static load loading device is used for carrying out loading test through a driving end 15 arranged on a fixed seat 14, the dynamic load loading device 7 is used for adjusting the position of the load test through a lifting device 12, a control box 13 is arranged on one side of the bracket 11, the static load loading device is arranged on side frames on two sides of the bracket 11, the dynamic load loading device 7 is positioned between the two groups of static load loading devices and is in sliding connection with the bracket 11, the static load loading device is controlled through the control box 13 to carry out loading test on a workpiece on the workpiece fixture 4, and different mechanical properties of the workpiece can be detected according to the test requirements of the workpiece, wherein the static load test comprises but is not limited to the tests of bending, stretching, torsion and the like of the workpiece, and the corresponding dynamic load loading device 7 is arranged according to the requirements of the dynamic load test, according to the relevant test requirements of mechanical properties and the position of a workpiece, the moving load loading device 7 is controlled to move through the lifting device 12, the moving load loading device 7 is enabled to carry out loading tests on the workpiece under the action of the motor, so that relevant test data are obtained, the moving load loading tests include but are not limited to tests such as workpiece impact, the mechanical property tests of different workpieces or equipment are achieved through control of the control box 13, the manual participation is reduced, the test safety is guaranteed, the test efficiency and accuracy are further improved, and the application range is wide.

As a possible implementation manner of the present scheme, preferably, the clamping assembly 3 includes a first clamping portion 31 rotatably connected to two sides of the vertical end of the L-shaped frame and a second clamping portion 32 screwed to the vertical end of the L-shaped frame, the first clamping portion 31 is screwed with a clamping pressure plate 34, and two sets of first clamping portions 31 are far away from each other and have a slot 33 adapted to the clamping end of the second clamping portion 32, the first clamping portion 31 and the second clamping portion 32 are used for fixing the work holders 4 with different orientation requirements, and according to the test requirements of different positions of the work piece and the structure of the corresponding work holder 4, the first clamping portion 31 or the second clamping portion 32 can be selected to fix the work holder 4, so that the work holder can better adapt to the test requirements, and the application range of the clamping assembly 3 is improved.

As a possible implementation manner of this scheme, it is preferable that work holder 4 includes a clamping base 41 installed on clamping component 3, rotating connection has an installation board 42 on clamping base 41, installation board 42 one side is provided with a plurality of groups of fixture bodies 43 all around, fixture bodies 43 and installation board 42 sliding connection, according to the requirement of work piece or equipment, through motor control installation board 42 rotation to can realize the test to the mechanical properties of work piece or different positions of equipment, and fix through fixture body 43, guarantee the accuracy of test result.

As a possible implementation manner of this scheme, it is preferable that the mounting panel 42 is provided with the roller assembly 5 corresponding to the clamp body 43 on the side away from the clamp body 43, the roller assembly 5 is connected through the belt 51 transmission, the mounting panel 42 is passed through in the pivot of roller assembly 5 to be provided with the adjusting part 6 of controlling the removal of a plurality of groups of drive clamp bodies 43, the adjusting part 6 acts on the side of the clamp body 43 close to the mounting panel 42, and cooperates the adjusting part 6 to work through the roller assembly 5, thereby adjusting the position of the clamp body 43, realizing clamping workpieces or equipment with different sizes, improving the application range of the workpieces or equipment to be tested, and reducing the cost of the test.

As a possible embodiment of the present disclosure, preferably, the clamp body 43 includes a supporting rod 431 slidably connected to the mounting plate 42, one end of the supporting rod 431 is provided with a sleeve 432, a sliding rod 433 is slidably connected to the inside of the sleeve 432, one side of the sliding rod 433 is provided with an F-shaped rod 434, a jaw 435 for fixing a workpiece is installed at a vertical end of the F-shaped rod 434, the roller assembly 5 rotates and drives the adjusting assembly 6 to rotate, so that the supporting rod 431 slides along the mounting plate 42, and the sliding rod 433 slides along the sleeve 432, so that the F-shaped rod 434 controls the jaw 435 to approach or move away from the workpiece or equipment, the jaw 435 is screwed with the F-shaped rod 434 through a connecting end or is fixedly connected with the F-shaped rod 434 through a bolt, and the structure of the jaw 435 is selected according to the structure of the workpiece or equipment, so that the jaw 435 can clamp and position different workpieces or equipment, to improve the accuracy of the loading test.

As a possible implementation manner of this scheme, it is preferred, adjusting part 6 is including setting up in the pivot and being close to the spiral track 61 of jack catch 435 one end, spiral track 61 is along being close to mounting panel 42 direction, and its spiral radian is crescent, spiral track 61 and the rotation wheel 62 sliding connection who installs in slide bar 433 one side, the pivot drives spiral track 61 and rotates when wheel components 5 pivoted, under the cooperation of rotation wheel 62 and spiral track 61, the control anchor clamps body 43 carries out the position and moves, and spiral track 61 spiral radian is all different along pivot outer wall setting all around to it is fixed that jack catch 435 carries out the centre gripping to work piece or equipment that the volume size is different, and application scope is wide, and the operation and control of being convenient for has reduced artificial participation and cost of labor.

As a possible implementation manner of this solution, it is preferable that one end of each of the static load loading device and the dynamic load loading device 7 is mounted with a loading part 71, the loading part 71 includes a loading head and a detection device, the detection device includes a sensor mounted on the static load loading device and a detector mounted in the control box 13 for acquiring dynamic load data, and the sensor and the detector transmit the test result to the control box 13 to acquire corresponding test data.

As a possible embodiment of the present solution, preferably, the dynamic load loading device 7 comprises a connecting assembly 8 mounted on a fixed shaft of a lifting device 12, the fixed shaft is rotatably connected to the movable frame 121, the lifting device 12 drives the movable frame 121 to move, thereby controlling the movement of the dynamic load loading device 7, one end of the connecting component 8 is provided with a swing rod 72, one end of the swing rod 72 is fixedly connected with the loading part 71 through a bolt, the loading part 71 drives the fixed shaft to rotate through a motor, thereby realizing the test of the dynamic load of the workpiece, fixing the dynamic load loading device 7 on the movable frame 121 through the connecting component 8, controlling the loading position through the lifting device 12, according to the test requirements, the corresponding loading component 71 is selected to be installed on the dynamic load loading device 7 so as to realize different loading tests, such as impact tests of workpieces.

As a possible implementation manner of this solution, preferably, the connection assembly 8 includes a connection seat 81 fixed to the swing rod 72, two sets of holding plates 82 are disposed on the connection seat 81, one set of holding plates 82 is fixedly connected to the connection seat 81, the other set of holding plates is rotatably connected to the connection seat 81, one end of each of the two sets of holding plates 82 is provided with a connection portion 83, the two sets of holding plates 82 are mounted on a fixed shaft of the lifting device 12 through the two sets of connection portions 83 and fixed to the fixed shaft through bolts, the moving load loading device 7 is mounted on the movable frame 121 through the holding plates 82, and the fixing is performed through the matching of the bolts and the connection portions 83 to ensure that the loading component 71 performs a loading test on the workpiece or the equipment.

As a possible embodiment of the present solution, it is preferred that the sensors and detectors are in telecommunication connection with the control box 13, and that the test data are transmitted to an information receiver in the control box 13 to obtain data of different mechanical property tests.

While the invention has been described with reference to preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.

Claims

1. An apparatus for testing a plurality of mechanical properties, comprising: the device comprises transverse sliding rails (1) which control two groups of bases (2) to move through a driving device, wherein the bases (2) consist of two groups of L-shaped frames, a clamping component (3) is arranged at the vertical end of each L-shaped frame, the clamping components (3) are used for fixedly mounting a workpiece clamp (4) on each L-shaped frame, and a workpiece to be tested is mounted on each workpiece clamp (4);

install support (11) on the support of horizontal slide rail (1), install static load loading device and dynamic load loading device (7) on support (11), static load loading device carries out the loading test through drive end (15) of installing on fixing base (14), dynamic load loading device (7) are adjusted the position of load test through elevating gear (12), support (11) one side is provided with control box (13).

2. The apparatus of claim 1, wherein:

centre gripping subassembly (3) include rotate first clamping part (31) of being connected and second clamping part (32) with the vertical looks spiro union of L type frame with the vertical end both sides of L type frame, the spiro union has centre gripping clamp plate (34) on first clamping part (31), and two sets of first clamping part (31) keep away from one end each other and be provided with fluting (33) with the looks adaptation of second clamping part (32), first clamping part (31) and second clamping part (32) are used for fixing work piece holder (4) of different position demands.

3. The apparatus of claim 1, wherein:

the workpiece clamp (4) comprises a clamping seat (41) arranged on the clamping assembly (3), the clamping seat (41) is connected with a mounting plate (42) in a rotating mode, a plurality of groups of clamp bodies (43) are arranged on the periphery of one side of the mounting plate (42), and the clamp bodies (43) are connected with the mounting plate (42) in a sliding mode.

4. A device for multiple mechanical property testing according to claim 3, wherein:

the utility model discloses a clamp structure, including mounting panel (42), the clamp body (43) is kept away from to mounting panel (42) one side and is provided with roller assembly (5) that correspond with the clamp body (43), roller assembly (5) are connected through belt (51) transmission, mounting panel (42) are passed in the pivot of roller assembly (5) to be provided with adjusting part (6) that control a plurality of groups drive the clamp body (43) and remove, adjusting part (6) act on the clamp body (43) and are close to mounting panel (42) one side.

5. The apparatus of claim 4, wherein:

the anchor clamps body (43) include with mounting panel (42) sliding connection's branch (431), branch (431) one end is provided with sleeve (432), sleeve (432) inside sliding connection has slide bar (433), slide bar (433) one side is provided with F type pole (434), jack catch (435) that are used for fixed work piece are installed to the vertical end of F type pole (434).

6. The apparatus of claim 4, wherein:

adjusting part (6) are including setting up in spiral track (61) that the pivot is close to jack catch (435) one end, spiral track (61) are along being close to mounting panel (42) direction, and its spiral radian increases gradually, spiral track (61) with install in rotation wheel (62) sliding connection of slide bar (433) one side.

7. The apparatus of claim 1, wherein:

and one end of each of the static load loading device and the dynamic load loading device (7) is provided with a loading part (71), each loading part (71) comprises a loading head and a detection device, and each detection device comprises a sensor arranged on the static load loading device and a detector arranged in the control box and used for acquiring dynamic load data.

8. The apparatus of claim 7, wherein:

dynamic load loading device (7) is including installing in coupling assembling (8) on the fixed axle of elevating gear (12), the fixed axle rotates to be connected on adjustable shelf (121), elevating gear (12) drive adjustable shelf (121) remove to the removal of control load loading device (7), coupling assembling (8) one end is provided with pendulum rod (72), bolt and loading part (71) fixed connection are passed through to the one end of pendulum rod (72), loading part (71) rotate through the motor drive fixed axle, thereby realize the experiment to work piece dynamic load.

9. The apparatus of claim 8, wherein:

coupling assembling (8) include with pendulum rod (72) fixed connecting seat (81), be provided with two sets of boards (82) of holding tightly on connecting seat (81), a set of board (82) of holding tightly and connecting seat (81) fixed connection, another a set of is rotated with connecting seat (81) and is connected, and two sets of boards (82) of holding tightly one end is provided with connecting portion (83), makes two sets of boards (82) of holding tightly install on the fixed axle of elevating gear (12) through two sets of connecting portion (83) to it is fixed with the fixed axle through the bolt.

10. The apparatus of claim 7, wherein:

the sensors and detectors are in telecommunication connection with the control box (13) and transmit test data to an information receiver in the control box (13).