Fatigue testing machine for single-door hinge

Abstract

The utility model discloses a single door hinge fatigue testing machine which comprises a base, the right side of the bottom of the base is fixedly connected with a driving device, the output end of the driving device is fixedly connected with a reduction gear box, one side of the reduction gear box is provided with a transmission shaft, and the top of the transmission shaft is fixedly connected with a door plate rotating arm. And a second balancing weight is arranged on one side of the door plate rotating arm. According to the utility model, the multi-dimensional test of hinges of different sizes is realized, the longitudinal static load of the hinge after the door plate is installed is simulated by adding the longitudinal load, and the situation that a user closes the door plate at a relatively high speed during use is simulated by the transverse accelerated impact test, so that the actual installation and use scenes are reflected; the multi-dimensional load of the hinge in actual use is simulated, the test process can be flexibly configured, and the offset of the door plate after test is measured by using the dial gauge, so that the labor investment and time cost of hinge test are reduced, and the test efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hinge testing equipment technical field, concretely is single door hinge fatigue testing machine. BACKGROUND

[0002] Hinge is used to connect two solids and allow the relative rotation between two. Hinge needs to carry out life test in the development stage to obtain the life of simulation use, and the traditional test method is to drive the door plate installed with the hinge to be tested to do reciprocating motion simulation actual user use by the mechanical arm, such as the Chinese utility model document with the publication number CN207181003U discloses a hinge testing machine, which utilizes the program control servo motor to drive the door plate to rotate in a limited position, simulates the process that the user opens and closes the door, although the hinge is installed on the real door plate, but the test flow is single, cannot simulate harsh working conditions, such as the actual use situation of fast closing and large load, and cannot reflect the service life of the hinge under complex working conditions. UTILITY MODEL CONTENT

[0003] In view of the defects of the prior art, the utility model aims at providing single door hinge fatigue testing machine, which has the advantages of accurate testing, solves the problem that the existing testing machine, although the hinge is installed on the real door plate, but the test flow is single, cannot simulate harsh working conditions, such as the actual use situation of fast closing and large load, and cannot reflect the service life of the hinge under complex working conditions.

[0004] To achieve the above object, the utility model provides the following technical scheme: single door hinge fatigue testing machine, including the base, the right side of the bottom of base is fixedly connected with drive arrangement, the output of drive arrangement is fixedly connected with reduction gear box, the side of reduction gear box is provided with transmission shaft, the top of transmission shaft is fixedly connected with door plate rotating arm, the side of door plate rotating arm is provided with second counterweight, the right side of top of base is fixedly connected with first support, the side of first support is fixedly connected with hinge fixing base, the side of hinge fixing base is movably connected with door plate through hinge, the left side of first support is fixedly connected with crossbeam, the left side of crossbeam is fixedly connected with third support, the bottom of third support is fixedly connected with base, the side of third support is fixedly connected with hundred scale, the side of second counterweight is provided with first counterweight, the top of second counterweight and first counterweight is fixedly connected with rope, the side of rope is fixedly connected with door plate, the rear side of top of base is fixedly connected with protractor.

[0005] Preferably, the left side of the hinge fixing base is provided with a hole position, and the right side of the first support is fixedly connected with a first limiting device.

[0006] Preferably, the top of the cross beam is fixedly connected with a proximity switch, one side of the proximity switch is fixedly connected with a second limiting device.

[0007] Preferably, the left front end of the top of the base is fixedly connected with a second support, and one side of the second support is provided with a second counterweight pulley.

[0008] Preferably, the bottom of the base is fixedly connected with a box body, the bottom of the box body is fixedly connected with a fourth support, and the top of the left side of the third support is fixedly connected with a protective cover.

[0009] Preferably, the middle shaft of the top left side of the base is fixedly connected with a support seat, and the top of the support seat is fixedly connected with a control panel.

[0010] Compared with the prior art, the single-door hinge fatigue testing machine has the following beneficial effects:

[0011] The utility model realizes multi -dimensional test of different size hinges, through adding longitudinal load, simulates the static load of hinge longitudinal after door board installation, and transverse acceleration impact test simulates when user uses with faster speed closes door board, reflects the scene of actual installation and use, simulates the multi -dimensional load of hinge when actual use, can flexible configuration's test procedure, through utilizing centimeter ruler to measure the offset of test door board, reduces the manual input and time cost of hinge test, improves test efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is structure schematic diagram of the utility model;

[0013] Fig. 2 It is sectional structure schematic diagram of the utility model;

[0014] Fig. 3 It is local structure schematic diagram of the utility model.

[0015] In the drawing: 1, base;101, protractor;102, control panel;2, first support;201, hinge fixing seat;202, hole site;203, first limiting device;204, cross beam;205, proximity switch;206, second limiting device;3, second support;301, second counterweight pulley;4, door board;5, door board rotating arm;6, driving device;601, speed reducer gear box;602, transmission shaft;7, first counterweight;8, second counterweight;9, rope;10, third support;1001, centimeter ruler;11, fourth support;12, box body;13, protective cover. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0017] Secondly, the "one embodiment" or "embodiment" referred to herein means that a specific feature, structure or characteristic can be included in at least one implementation of the present application. The "in one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an embodiment that is independent of or mutually exclusive of other embodiments.

[0018] Please refer to Figs. 1-3 As shown in the drawings, the utility model provides single door hinge fatigue testing machine, including base 1, the right side of base 1 bottom is fixedly connected with drive device 6, the output of drive device 6 is fixedly connected with reduction gear box 601, the side of reduction gear box 601 is provided with transmission shaft 602, the top of transmission shaft 602 is fixedly connected with door plate rotating arm 5, the side of door plate rotating arm 5 is provided with second counterweight 8, the right side of base 1 top is fixedly connected with first support 2, the side of first support 2 is fixedly connected with hinge fixing seat 201, the side of hinge fixing seat 201 is hingedly connected with door plate 4, the left side of first support 2 is fixedly connected with crossbeam 204, the left side of crossbeam 204 is fixedly connected with third support 10, the bottom of third support 10 is fixedly connected with base 1, the side of third support 10 is fixedly connected with centimeter 1001, the side of second counterweight 8 is provided with first counterweight 7, the top of second counterweight 8 and first counterweight 7 is fixedly connected with rope 9, the side of rope 9 is fixedly connected with door plate 4, the rear side of base 1 top is fixedly connected with protractor 101.

[0019] The specific effect of the technical solution is that drive device 6, reduction gear box 601, transmission shaft 602 and door plate rotating arm 5 cooperate to realize door plate 4 opening and closing action simulation, protractor 101 and centimeter 1001 are used for measuring angle and displacement respectively, and data basis is provided for testing.

[0020] The left side of hinge fixing seat 201 is provided with hole site 202, and the right side of first support 2 is fixedly connected with first limiting device 203.

[0021] The specific effect of the technical solution is that the hole site 202 of the hinge fixing seat 201 facilitates the installation of hinges of different specifications, thereby enhancing the versatility of the testing machine.

[0022] The top of the cross beam 204 is fixedly connected with a proximity switch 205, one side of the proximity switch 205 is fixedly connected with a second limiting device 206.

[0023] The specific effect of the technical solution is that the proximity switch 205 and the second limiting device 206 cooperate to accurately control the rotation range of the door plate rotating arm 5, avoid equipment damage caused by excessive rotation, prolong the service life of the equipment, ensure the opening and closing angle of each test, and improve the repeatability and comparability of test data.

[0024] The left front end of the top of the base 1 is fixedly connected with a second support 3, and one side of the second support 3 is provided with a second counterweight pulley 301.

[0025] The specific effect of the technical solution is that the second support 3 and the second counterweight pulley 301 are arranged to reduce the friction when the rope 9 is pulled, ensure the effect of simulating real weight, and further improve the accuracy of test results.

[0026] The bottom of the base 1 is fixedly connected with a box body 12, the bottom of the box body 12 is fixedly connected with a fourth support 11, and the top of the left side of the third support 10 is fixedly connected with a protective cover 13.

[0027] The specific effect of the technical solution is that the box body 12 at the bottom of the base 1 can protect the driving device 6 inside the equipment, and the fourth support 11 enhances the stability of the whole equipment.

[0028] The top of the left side of the base 1 is fixedly connected with a support seat at the middle shaft, and the top of the support seat is fixedly connected with a control panel 102.

[0029] The specific effect of the technical solution is that the control panel 102 is arranged at the top of the left side of the base 1, which is convenient for the operator to operate and observe the running state of the equipment, optimizes the human-computer interaction experience, and improves the efficiency of the test work.

[0030] Working principle: when working, the driving device 6 is started, power is output to the reduction gear box 601, the reduction gear box 601 adjusts the rotating speed and torque output by the driving device 6, and more suitable power is transmitted to the transmission shaft 602, the transmission shaft 602 rotates, drives the door plate rotating arm 5 to make a circular motion, the door plate 4 is hingedly installed on the hinge fixing seat 201, the rotation of the door plate rotating arm 5 drives the door plate 4 to open and close, thereby simulating the opening and closing of the door plate 4 in actual use, the first counterweight 7 and the second counterweight 8 are connected with the door plate 4 through the rope 9, which simulates the weight of the door plate 4 in actual use, so that the test process is closer to the real scene, the accuracy of the test result is ensured, the protractor 101 is used for measuring the angle of rotation of the door plate 4, the opening and closing amplitude of the door plate 4 can be intuitively understood, the hundred scale 1001 is installed on one side of the third support 10, and the displacement of the door plate 4 in the opening and closing process and other data can be measured, the proximity switch 205 cooperates with the second limiting device 206 to work, when the door plate rotating arm 5 rotates to a proximity position, the proximity switch 205 senses a signal, controls the door plate rotating arm 5 to stop rotating, prevents excessive rotation, and plays a role in protecting the equipment and ensuring the test accuracy, and the operator controls the start, stop and rotating speed adjustment of the driving device 6 through the control panel 102, so as to realize accurate control of the whole test process.

[0031] Importantly, it should be noted that the constructions and arrangements of the present application shown in the various example embodiments are by way of illustration only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed can be constructed of multiple parts or elements, the position of elements can be reversed or otherwise varied, and the nature or number of elements or positions can be altered or varied. Accordingly, all such variations are intended to be included within the scope of the present application. The order or sequence of any process or method steps can be changed or re-sequenced without departing from the scope of the application. In the claims, any "means plus function" clause is intended to cover the structures described herein as performing the recited functionality, and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating conditions, and arrangement of the example embodiments without departing from the scope of the present application. Accordingly, the present application is not limited to the particular embodiments described but extends to the scope of the appended claims.

[0032] Furthermore, in order to provide a concise description of illustrative embodiments, all features of the actual implementation can not be described (i.e., those features not related to the best mode of performing the present application currently under consideration, or those features not related to the implementation of the present application).

[0033] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not intended to limit the scope of protection of the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the essence and scope of the technical solutions of the present application.

Claims

1. Single door hinge fatigue testing machine comprising a base (1), characterized in that: The right side of the bottom of the base (1) is fixedly connected with a driving device (6), the output end of the driving device (6) is fixedly connected with a reduction gear box (601), one side of the reduction gear box (601) is provided with a transmission shaft (602), the top of the transmission shaft (602) is fixedly connected with a door plate rotating arm (5), one side of the door plate rotating arm (5) is provided with a second counterweight (8), the right side of the top of the base (1) is fixedly connected with a first support (2), one side of the first support (2) is fixedly connected with a hinge fixing seat (201), one side of the hinge fixing seat (201) is movably connected with a door plate (4) through a hinge, the left side of the first support (2) is fixedly connected with a cross beam (204), the left side of the cross beam (204) is fixedly connected with a third support (10), the bottom of the third support (10) is fixedly connected with the base (1), one side of the third support (10) is fixedly connected with a hundred scale (1001), one side of the second counterweight (8) is provided with a first counterweight (7), the top of the second counterweight (8) and the first counterweight (7) is fixedly connected with a rope (9), one side of the rope (9) is fixedly connected with the door plate (4), the rear side of the top of the base (1) is fixedly connected with a protractor (101).

2. The single door hinge fatigue tester of claim 1, wherein: The left side of the hinge fixing seat (201) is provided with a hole (202), the right side of the first support (2) is fixedly connected with a first limiting device (203).

3. The single door hinge fatigue tester of claim 1, wherein: The top of the cross beam (204) is fixedly connected with a proximity switch (205), one side of the proximity switch (205) is fixedly connected with a second limiting device (206).

4. The single door hinge fatigue tester of claim 1, wherein: The left front end of the top of the base (1) is fixedly connected with a second support (3), one side of the second support (3) is provided with a second counterweight pulley (301).

5. The single door hinge fatigue tester of claim 1, wherein: The bottom of the base (1) is fixedly connected with a box body (12), the bottom of the box body (12) is fixedly connected with a fourth support (11), the top of the left side of the third support (10) is fixedly connected with a protective cover (13).

6. The single door hinge fatigue tester of claim 1, wherein: The top left side of the base (1) is fixedly connected with a support seat, and the top of the support seat is fixedly connected with a control panel (102).

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