Novel durability test equipment

Abstract

The utility model discloses novel durability test equipment, which belongs to the technical field of product test equipment, and comprises a test board and a test workpiece arranged on the test board, a reciprocating motion mechanism is arranged on the test board, and the reciprocating motion mechanism comprises a mounting seat slidably connected to the test board, the mounting seat is provided with a plurality of first connecting seats used for fixing one end of a test workpiece, the test bench is also provided with a power transmission mechanism used for driving the mounting seat to perform reciprocating displacement, and the test bench is also provided with a load simulation mechanism used for applying a load to the test workpiece when the test workpiece slides; the load simulation mechanism comprises sliding blocks which slide on the test bench and are in one-to-one correspondence with the mounting seats in number, the other end of the test workpiece is connected to the front end surface of the sliding block, the rear end surface of the sliding block is sequentially connected with a pressure sensor and a load spring, and the test bench is provided with an adjusting piece for adjusting the compression degree of the load spring; the utility model discloses novel durability test equipment.

Description

TECHNICAL FIELD

[0001] The utility model relates to a novel durability test equipment belongs to product test equipment technical field. BACKGROUND

[0002] In the prior art manufacturing test technical field, the conventional durability test bench has many problems to be solved. Firstly, the test efficiency is low, a product can be installed and tested at a time, and the test period is long, which cannot meet the demand of large-scale product rapid detection. Secondly, the equipment is large in size, occupies a large amount of space resources, increases the site use cost and layout difficulty. Thirdly, the number of parts constituting the equipment is large, which not only leads to high equipment manufacturing cost, but also high maintenance cost in the running process. Fourthly, the test load of the equipment is constant, which cannot be flexibly adjusted according to the test demand of different products, thereby limiting the application range. Fifthly, the running noise is large, which has adverse effects on the test environment and the operating personnel. The above problems seriously restrict the performance and application of the durability test equipment. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at the deficiencies of the prior art, provides a novel durability test equipment, so as to test multiple products at a time, reduce the test cost, ensure the stability of the test process, and effectively reduce the running noise.

[0004] A novel durability test equipment, comprising a test table and a test workpiece installed thereon, wherein the test table is provided with a reciprocating mechanism, the reciprocating mechanism comprises a mounting seat slidably connected to the test table, a plurality of first connecting seats for fixing one end of the test workpiece are arranged on the mounting seat, a power transmission mechanism for driving the reciprocating displacement of the mounting seat is arranged on the test table, and a load simulation mechanism for applying a load to the test workpiece during sliding is arranged on the test table, the load simulation mechanism comprises a slider corresponding to the number of mounting seats and slidably arranged on the test table, the other end of the test workpiece is connected to the front end face of the slider, and a pressure sensor and a load spring are connected to the rear end face of the slider in sequence, and an adjusting part for adjusting the compression degree of the load spring is arranged on the test table.

[0005] Further, the adjusting part comprises a support mounted on the top surface of the test table, a nut is mounted on the support, an adjusting screw is threadedly connected in the nut, a threaded sleeve is connected to one end of the adjusting screw, one end of the load spring is connected to the pressure sensor, and the other end of the load spring is connected to the threaded sleeve.

[0006] Further, a threaded blind hole extending in the radial direction of the threaded sleeve is formed in the threaded sleeve, and the threaded sleeve is threadedly connected with the adjusting screw through the threaded blind hole.

[0007] Further, the top surface of the test table is fixedly provided with a guide rail, and the sliding block is slidably connected to the guide rail.

[0008] Further, the bottom of the support is provided with a mounting straight slot, and the test table is provided with a plurality of mounting through holes corresponding to the mounting straight slot.

[0009] Further, the sliding block is provided with a second connecting seat, and the other end of the test workpiece is connected to the sliding block through the second connecting seat.

[0010] Further, the reciprocating mechanism further comprises a supporting plate mounted on the top surface of the test table, the supporting plate is provided with a sliding rail, the sliding rail is slidably provided with a sliding seat, and the mounting seat is fixedly mounted on the sliding seat.

[0011] Further, the power transmission mechanism comprises a rotating shaft rotatably mounted on the test table, the rotating shaft extends to the upper part of the test table and is connected with a rotating disc, the rotating disc is hingedly connected with a connecting rod at the edge of the top surface, the other end of the connecting rod is hingedly connected with the mounting seat, the outer wall of the rotating shaft is provided with a first gear, the bottom surface of the test table is provided with a driving motor, the driving end of the driving motor is connected with a second gear meshing with the first gear, and the bottom surface of the test table is also rotatably provided with a third gear meshing with the first gear.

[0012] Further, the mounting seat is provided with a pin shaft, and the other end of the connecting rod is hingedly connected with the mounting seat through the pin shaft.

[0013] Further, the connecting rod comprises a sleeve part and an extension part, the extension part is threadedly connected to both ends of the sleeve part, and the end of the extension part away from the sleeve part is hingedly connected with the rotating disc and the pin shaft, respectively.

[0014] Advantages:

[0015] 1. The reciprocating mechanism and the load simulation mechanism on the test table cooperate with each other, the plurality of first connecting seats on the mounting seat can simultaneously fix a plurality of test workpieces, compared with the traditional equipment which can only test one product at a time, the test efficiency is greatly improved, and the demand for large-scale product rapid detection is met.

[0016] 2. The load simulation mechanism can accurately adjust the compression degree of the load spring through the adjusting screw, the nut and the threaded sleeve, and further flexibly change the load of the test workpiece, so that the test demand of different products can be met, and the universality of the equipment is enhanced.

[0017] 3, the utility model discloses, guide rail and slide rail provide stable guide for sliding block and mounting seat respectively, reduce the friction and sway in the movement process, make the test workpiece movement more stable, pressure sensor real -time monitoring load, guarantee the accuracy and stability of test, improve the reliability of test result. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is whole structure schematic diagram of the utility model;

[0019] Figure 2 It is power transmission mechanism structure schematic diagram in the utility model;

[0020] Figure 3 It is reciprocating mechanism structure schematic diagram in the utility model;

[0021] Figure 4 It is load simulation mechanism structure schematic diagram in the utility model.

[0022] In the drawing:

[0023] 1, test bench;

[0024] 2, power transmission mechanism;21, turntable;22, connecting rod;23, rotating shaft;24, first gear;25, second gear;26, third gear;27, drive motor;

[0025] 3, reciprocating mechanism;31, support plate;32, slide rail;33, slide base;34, mounting seat;35, first connecting seat;36, pin shaft;

[0026] 4, test workpiece;

[0027] 5, load simulation mechanism;51, guide rail;52, sliding block;53, pressure sensor;54, support;55, adjusting screw;56, load spring;57, nut;58, threaded sleeve;59, second connecting seat. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work belong to the protection scope of the utility model.

[0029] Please refer to Figures 1-4As shown, a novel durability test equipment, including test table 1 and test workpiece 4 installed thereon, the test table 1 is provided with reciprocating mechanism 3, the reciprocating mechanism 3 includes mounting seat 34 slidingly connected on the test table 1, a plurality of first connecting seats 35 for fixing one end of the test workpiece 4 are arranged on the mounting seat 34, the test table 1 is further provided with power transmission mechanism 2 for driving the reciprocating displacement of the mounting seat 34, and load simulation mechanism 5 for applying load to the test workpiece 4 when sliding is arranged on the test table 1, the load simulation mechanism 5 includes sliding block 52 sliding on the test table 1 and corresponding to the mounting seat 34, the other end of the test workpiece 4 is connected to the front end face of the sliding block 52, and the rear end face of the sliding block 52 is connected with pressure sensor 53 and load spring 56 in sequence, and the test table 1 is provided with adjusting part for adjusting the compression degree of the load spring 56.

[0030] Specifically, the driving motor 27 is started, the second gear 25 is driven to rotate, the second gear 25 is engaged with the first gear 24, the first gear 24 drives the rotating shaft 23 to rotate, and then the rotating disc 21 is rotated. The connecting rod 22 hinged at the edge of the rotating disc 21 converts the circular motion of the rotating disc 21 into the linear reciprocating motion of the mounting seat 34 on the sliding rail 32, the first connecting seat 35 on the mounting seat 34 fixes one end of the test workpiece 4, the sliding block 52 slides on the guide rail 51, the other end of the test workpiece 4 is connected to the front end face of the sliding block 52, and the pressure sensor 53 and the load spring 56 at the rear end face of the sliding block 52 apply load to the test workpiece 4, and the adjusting part can adjust the compression degree of the load spring 56, so as to realize the durability test of the test workpiece 4. The reciprocating mechanism 3 and the load simulation mechanism 5 arranged on the test table 1 can simultaneously fix a plurality of test workpieces 4 through the plurality of first connecting seats 35 on the mounting seat 34, compared with the traditional equipment which can only test one product at a time, the test efficiency is greatly improved; the load simulation mechanism 5 can flexibly change the load of the test workpiece 4 by adjusting the compression degree of the load spring 56, so as to meet the test requirements of different products; the pressure sensor 53 can monitor the load size in real time, and the accuracy and stability of the test are guaranteed.

[0031] As a technical optimization scheme of the utility model, the adjusting part includes a support 54 mounted on the top surface of the test table 1, a nut 57 is mounted on the support 54, an adjusting screw 55 is threadedly connected in the nut 57, a threaded sleeve 58 is connected to one end of the adjusting screw 55, one end of the load spring 56 is connected with the pressure sensor 53, and the other end is connected with the threaded sleeve 58.

[0032] Specifically, the adjusting screw 55 is rotated, since the nut 57 is fixed on the support 54, the adjusting screw 55 is screwed in the nut 57, the threaded sleeve 58 is moved, thereby changing the compression degree of the load spring 56, the load size of the test workpiece 4 is adjusted, the adjusting mode of the threaded connection is simple in structure and convenient to operate, the compression amount of the load spring 56 can be accurately adjusted, and then the load of the test workpiece 4 is accurately controlled, and the precision and reliability of the test are improved.

[0033] As a technical optimization scheme of the utility model, the threaded sleeve 58 is provided with a threaded blind hole extending along the radial direction thereof, and the threaded sleeve 58 is screwed with the adjusting screw 55 through the threaded blind hole.

[0034] Specifically, when the adjusting screw 55 is rotated, the threaded sleeve 58 moves along the adjusting screw 55 in the axial direction under the action of the thread, the compression degree of the load spring 56 is adjusted, the design of the threaded blind hole makes the connection of the threaded sleeve 58 and the adjusting screw 55 more stable, prevents loosening or falling off during the adjustment process, and ensures the stability and reliability of the load adjustment.

[0035] As a technical optimization scheme of the utility model, the top surface of the test table 1 is fixedly provided with a guide rail 51, and the sliding block 52 is slidingly connected to the guide rail 51.

[0036] Specifically, the sliding block 52 slides on the guide rail 51, the guide rail 51 provides guidance for the sliding of the sliding block 52, ensures that the sliding block 52 can stably slide in a straight line direction when subjected to the pulling force or pressure of the test workpiece 4, the setting of the guide rail 51 improves the stability and precision of the sliding of the sliding block 52, reduces the friction and shaking during the sliding of the sliding block 52, makes the load received by the test workpiece 4 more uniform and stable, and improves the accuracy of the test result.

[0037] As a technical optimization scheme of the utility model, the bottom of the support 54 is provided with a mounting straight slot, the test table 1 is provided with a mounting through hole corresponding to the mounting straight slot, a plurality of mounting through holes are provided, and the plurality of mounting through holes are equidistantly distributed along the length direction of the guide rail 51.

[0038] Specifically, the support 54 is fixed on the test table 1 by connecting members such as bolts passing through the mounting through hole and the mounting straight slot, and the plurality of mounting through holes are equidistantly distributed along the length direction of the guide rail 51, the mounting position of the support 54 can be adjusted as required, the adjustable mounting mode makes the load simulation mechanism 5 adapt to test workpieces 4 of different sizes and specifications, improves the universality and applicability of the equipment, and facilitates adjustment of the mounting position and angle of the load spring 56 according to the test requirements, so that a more suitable load application mode is obtained.

[0039] As a technical optimization scheme of the utility model, the second connecting seat 59 is installed on the sliding block 52, and the other end of the test workpiece 4 is connected with the sliding block 52 through the second connecting seat 59.

[0040] Specifically, the second connecting seat 59 provides a reliable fixing mode for the connection between the test workpiece 4 and the sliding block 52, ensures the stable connection between the test workpiece 4 and the sliding block 52 during the test process, the setting of the second connecting seat 59 enhances the connection strength and stability between the test workpiece 4 and the sliding block 52, prevents loosening or falling during the test process, and ensures the smooth test and the accuracy of the test result.

[0041] As a technical optimization scheme of the utility model, the reciprocating mechanism 3 further comprises a supporting plate 31 installed on the top surface of the test table 1, a sliding rail 32 is installed on the supporting plate 31, a sliding seat 33 is slidingly installed on the sliding rail 32, and a mounting seat 34 is fixedly installed on the sliding seat 33.

[0042] Specifically, when the power transmission mechanism 2 drives the mounting seat 34 to move, the sliding seat 33 provides stable support and guidance on the sliding rail 32, ensures the reciprocating movement of the mounting seat 34 along the linear direction, the combined structure of the supporting plate 31, the sliding rail 32 and the sliding seat 33 improves the stability and precision of the movement of the mounting seat 34, reduces the friction and shaking during the movement of the mounting seat 34, makes the movement of the test workpiece 4 more stable, and improves the accuracy and reliability of the test result.

[0043] As a technical optimization scheme of the utility model, the power transmission mechanism 2 comprises a rotating shaft 23 rotatably installed on the test table 1, the rotating shaft 23 extends to the upper part of the test table 1 and is connected with a rotating disc 21, the rotating disc 21 is hingedly connected with a connecting rod 22 at the edge of the top surface, the other end of the connecting rod 22 is hingedly connected with the mounting seat 34, a first gear 24 is installed on the outer wall of the rotating shaft 23, a driving motor 27 is installed on the bottom surface of the test table 1, the driving end of the driving motor 27 is connected with a second gear 25 meshing with the first gear 24, and a third gear 26 meshing with the first gear 24 is also rotatably installed on the bottom surface of the test table 1.

[0044] Specifically, the setting of the gear set realizes the transmission of power and the amplification of torque, so that the driving motor 27 can drive the mounting seat 34 and the test workpiece 4 to move with smaller power, and the energy consumption of the equipment is reduced; at the same time, the gear transmission has the advantages of accurate transmission ratio, high transmission efficiency and reliable work, which ensures the stability and reliability of the equipment operation.

[0045] As a technical optimization scheme of the utility model, the mounting seat 34 is installed with a pin shaft 36, and the other end of the connecting rod 22 is hingedly connected with the mounting seat 34 through the pin shaft 36.

[0046] Specifically, when the rotating disc 21 rotates, the connecting rod 22 rotates around the pin shaft 36, converting the circular motion of the rotating disc 21 into the linear reciprocating motion of the mounting base 34, and the hinged mode of the pin shaft 36 makes the connection between the connecting rod 22 and the mounting base 34 more flexible, which can adapt to the angle change of the mounting base 34 during the reciprocating motion, ensuring the smoothness of the motion; at the same time, the pin shaft 36 has a simple connection structure, which is convenient to install and disassemble, and facilitates the maintenance and overhaul of the equipment.

[0047] As a technical optimization scheme of the utility model, the connecting rod 22 comprises a sleeve part and an extension part, the extension part is threadedly connected to both ends of the sleeve part, and the end of the extension part away from the sleeve part is hinged with the rotating disc 21 and the pin shaft 36 respectively.

[0048] Specifically, by rotating the extension part, the length of the connecting rod 22 can be adjusted, so as to adjust the motion stroke and motion track of the mounting base 34 to adapt to the test requirements of different test workpieces 4. The design of the length-adjustable connecting rod 22 makes the equipment adapt to test workpieces 4 of different sizes and specifications, improving the versatility and applicability of the equipment. By adjusting the length of the connecting rod 22, the motion amplitude and frequency of the test workpiece 4 can be changed to meet the requirements of different test conditions, enhancing the test function of the equipment.

[0049] Working principle: after the novel durability test equipment is started, the power transmission mechanism 2 operates first. The driving motor 27 outputs power to drive the second gear 25 to rotate, the second gear 25 is engaged with the first gear 24, so that the first gear 24 rotates, and then drives the rotating shaft 23 to rotate, so that the rotating disc 21 at the top end of the rotating shaft 23 rotates. The connecting rod 22 hinged at the edge of the rotating disc 21 converts the circular motion into linear motion, driving the mounting base 34 to make linear reciprocating motion on the slide rail 32, and the first connecting seat 35 on the mounting base 34 fixes one end of the test workpiece 4.

[0050] At the same time, the load simulation mechanism 5 works. The sliding block 52 slides on the guide rail 51, the other end of the test workpiece 4 is connected to the front end face of the sliding block 52, and the pressure sensor 53 and the load spring 56 connected in turn at the rear end face of the sliding block 52 apply load to the test workpiece 4. By rotating the adjusting screw 55, the compression degree of the load spring 56 can be adjusted under the cooperation of the nut 57 and the threaded sleeve 58, so as to change the load applied to the test workpiece 4, and simulate different use conditions. During the whole test process, the pressure sensor 53 monitors the load in real time to ensure the accuracy and stability of the test.

[0051] It will be apparent to those skilled in the art that the application is not limited to the details of the above-exemplified embodiments and that the application can be implemented in other particular forms without departing from the spirit or essential characteristics of the application. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. No reference signs in the claims should be considered as limiting the scope of the claims with respect to the corresponding parts of the same claim.

[0052] Furthermore, it should be understood that although the description herein is made on the basis of the embodiments, not every embodiment contains only one independent technical solution, and the description herein is made in this way only for the sake of clarity, and those skilled in the art should consider the description as a whole, and the technical solutions in each embodiment can also be properly combined to form other embodiments which can be understood by those skilled in the art.

Claims

1. A novel durability testing device, comprising a test bench (1) and a test workpiece (4) mounted thereon, characterized in that: The test bench (1) is provided with a reciprocating motion mechanism (3), which includes a mounting base (34) slidably connected to the test bench (1). The mounting base (34) is provided with a plurality of first connecting seats (35) for fixing one end of the test workpiece (4). The test bench (1) is also provided with a power transmission mechanism (2) for driving the mounting base (34) to move back and forth. The test bench (1) is also provided with a load simulation mechanism (5) for applying a load to the test workpiece (4) when it slides. The load simulation mechanism (5) includes a slider (52) that slides on the test bench (1) and corresponds one-to-one with the number of mounting bases (34). The other end of the test workpiece (4) is connected to the front end face of the slider (52). The rear end face of the slider (52) is connected in sequence with a pressure sensor (53) and a load spring (56). The test bench (1) is provided with an adjusting component for adjusting the compression degree of the load spring (56).

2. The novel durability testing equipment as described in claim 1, characterized in that: The adjusting component includes a support (54) mounted on the top surface of the test bench (1), a nut (57) mounted on the support (54), an adjusting screw (55) threaded inside the nut (57), a threaded sleeve (58) connected to one end of the adjusting screw (55), and a load spring (56) connected at one end to a pressure sensor (53) and at the other end to the threaded sleeve (58).

3. The novel durability testing equipment as described in claim 2, characterized in that: The threaded sleeve (58) has a threaded blind hole extending radially therein, and the threaded sleeve (58) is threadedly connected to the adjusting screw (55) through the threaded blind hole.

4. The novel durability testing equipment as described in claim 2, characterized in that: The top surface of the test bench (1) is fixedly equipped with a guide rail (51), and the slider (52) is slidably connected to the guide rail (51).

5. The novel durability testing equipment as described in claim 4, characterized in that: The support (54) has a mounting slot at its bottom, and the test bench (1) has mounting through holes corresponding to the mounting slot. There are multiple mounting through holes, and the multiple mounting through holes are equidistantly distributed along the length of the guide rail (51).

6. The novel durability testing equipment as described in claim 1, characterized in that: A second connecting seat (59) is installed on the slider (52), and the other end of the test workpiece (4) is connected to the slider (52) through the second connecting seat (59).

7. The novel durability testing equipment as described in claim 1, characterized in that: The reciprocating motion mechanism (3) further includes a support plate (31) installed on the top surface of the test bench (1), a slide rail (32) is installed on the support plate (31), a slide seat (33) is slidably installed on the slide rail (32), and the mounting seat (34) is fixedly installed on the slide seat (33).

8. The novel durability testing equipment as described in claim 1, characterized in that: The power transmission mechanism (2) includes a rotating shaft (23) rotatably mounted on the test bench (1). The top end of the rotating shaft (23) extends to the upper part of the test bench (1) and is connected to a turntable (21). A connecting rod (22) is hinged to the edge of the top surface of the turntable (21). The other end of the connecting rod (22) is hinged to a mounting base (34). A first gear (24) is mounted on the outer wall of the rotating shaft (23). A drive motor (27) is mounted on the bottom surface of the test bench (1). The drive end of the drive motor (27) is connected to a second gear (25) that meshes with the first gear (24). A third gear (26) that meshes with the first gear (24) is also rotatably mounted on the bottom surface of the test bench (1).

9. The novel durability testing equipment as described in claim 8, characterized in that: A pin (36) is mounted on the mounting base (34), and the other end of the connecting rod (22) is hinged to the mounting base (34) via the pin (36).

10. The novel durability testing equipment as described in claim 9, characterized in that: The connecting rod (22) includes a sleeve portion and an extension portion. The extension portion is threaded to both ends of the sleeve portion, and the end of the extension portion away from the sleeve portion is hinged to the turntable (21) and the pin (36) respectively.

Images