Hinge type hinge durability test equipment and method

Abstract

The invention provides a hinge type hinge durability test device and method, and the device comprises a pedestal structure, the top of the pedestal structure is fixedly provided with a power device for providing power, the output end of the power device is connected with a speed reduction device through a coupler, and the output end of the speed reduction device is connected with a swing arm mechanism through a crank mechanism. The swing arm mechanism is connected with a sliding groove connecting rod mechanism used for clamping one end of a hinge to be tested, the other end of the hinge is fixed to the top end of the stand column structure through a clamp, and the stand column structure is fixed to the top end of the base structure. According to the equipment, the crank mechanism is used as a reciprocating mechanism for testing and is further used for driving the hinge to reciprocate, the folding angle of the reciprocating motion of the hinge can be accurately controlled, the accuracy of test data is further ensured, and in addition, the equipment is simple in structure and reliable in operation.

Description

Technical Field

[0001] The invention relates to the field of hinge testing, in particular to a hinge durability testing device. Background Art

[0002] Hinges are common opening and closing connectors and are widely used in mechanical equipment. Their durability and reliability are crucial. Therefore, the durability of hinges for key equipment needs to be tested before they leave the factory.

[0003] At present, the durability test commonly used mainly adopts a hydraulic telescopic rod reciprocating drive mechanism. For example, CN206488923 U discloses a durability test bench for automobile door hinges and lid hinges. This test bench mainly uses a hydraulic rod as a driving power. In the specific test process, the reciprocating operation of the hydraulic rod is controlled to drive the hinge to flip repeatedly. In the specific use of this hydraulic device, due to the limitations of the hydraulic system, the reciprocating extension and retraction length of the telescopic rod cannot be accurately controlled, which makes it impossible to achieve accurate control of the reciprocating angle of the hinge each time, and the hydraulic control system is relatively complex. Summary of the invention

[0004] In order to solve the current technical problems, the main purpose of the present invention is to provide a hinge-type hinge durability testing device and method. This device adopts a crank mechanism as the reciprocating mechanism of the test, which is used to drive the hinge to reciprocate. It can accurately control the folding angle of the reciprocating motion of the hinge, thereby ensuring the accuracy of the test data. In addition, this device has a simple structure and reliable operation.

[0005] In order to realize the above-mentioned technical features, the purpose of the present invention is realized as follows: a hinge-type hinge durability testing device comprises a base structure, a power device for providing power is fixedly installed on the top of the base structure, the output end of the power device is connected to the reduction device through a coupling, the output end of the reduction device is connected to the swing arm mechanism through a crank mechanism, the swing arm mechanism is connected to a slide connecting rod mechanism for clamping one end of the hinge to be tested, the other end of the hinge is fixed to the top of the column structure through a clamp, and the column structure is fixed to the top of the base structure.

[0006] The base structure comprises a bottom plate, the four corners of which are supported on the top of the foot pad through height-adjusting screws, and a nut is fixed on the top of the height-adjusting screws.

[0007] The power device comprises a motor, which is fixed on the top of the base structure through a motor base, and a motor main shaft of the motor is connected to a coupling.

[0008] The deceleration device comprises a reducer, an input shaft of the reducer is connected to a coupling, the reducer is fixed to the top of a base structure through a reducer base, and a reducer output shaft of the reducer is connected to a crank mechanism.

[0009] The crank mechanism includes a turntable, which is mounted on the output shaft of the reducer. An eccentric first short rod is arranged on the outer wall of the turntable. The end of the first short rod is hinged to a connecting rod through a first ball joint hinge. The other end of the connecting rod is hinged to a second short rod through a second ball joint hinge. The other end of the second short rod is fixed to the outer wall of the swing arm mechanism.

[0010] The swing arm mechanism comprises a swing arm seat fixed on the top of the base structure, a swing arm is hinged on the swing arm seat through a rotating shaft, and a second short rod is fixed on the outer wall of the swing arm.

[0011] The slide-link mechanism comprises a connecting rod, on which a slide is arranged, the slide is slidably matched with a sliding pin fixed on the outer wall of the swing arm, and the end of the connecting rod is provided with a connecting plate, which is fixedly connected to one of the hinges to be tested by screws.

[0012] The column structure comprises a column base fixed on the top of the bottom plate structure, a column is fixed on the top of the column base, and a crossbeam is fixed on the top of the column through a locking nut.

[0013] The fixture comprises an L-shaped connecting plate fixed to the bottom end of the beam by a first long bolt, and the other end of the L-shaped connecting plate is clamped and fixed to another hinge of the hinge to be tested by a pressing plate and a second long bolt.

[0014] A hinge durability test method, the test method is carried out using the test equipment, and comprises the following steps: Step 1, fix the hinge to be tested: Fix one of the hinges to be tested on the column structure by means of a fixture; Step 2, active connection of the hinge to be tested: The other hinge of the hinge to be tested is fixedly connected to the end of the slide-link mechanism; Step 3, connection between the slide linkage mechanism and the swing arm mechanism: The slide-link mechanism and the swing-arm mechanism form a sliding pin match; Step 4, connection of crank mechanism: The swing arm mechanism is hingedly connected to the crank mechanism; Step 5, test of the hinge to be tested: Start the power device, drive the crank mechanism through the power device, drive the swing arm mechanism through the crank mechanism, drive the slide connecting rod mechanism through the swing arm mechanism, drive the hinge to be tested to rotate through the slide connecting rod mechanism, set the test time, and finally complete the durability test of the hinge to be tested.

[0015] The present invention has the following beneficial effects: 1. This equipment uses a crank mechanism as the reciprocating mechanism of the test, which is used to drive the hinge to reciprocate. It can accurately control the folding angle of the reciprocating motion of the hinge, thereby ensuring the accuracy of the test data. In addition, this equipment has a simple structure and reliable operation.

[0016] 2. The above-mentioned base structure can be used to stably support the entire equipment, thereby preventing shaking during its operation.

[0017] 3. The above-mentioned power device can be used to provide transmission power.

[0018] 4. The above-mentioned speed reduction device can be used for deceleration.

[0019] 5. The crank mechanism mentioned above can form a crank slider mechanism, thereby forming a reciprocating motion.

[0020] 6. The above-mentioned swing arm mechanism can realize reciprocating swing, which is then used to drive the slide connecting rod mechanism.

[0021] 7. The above-mentioned slide-rod linkage mechanism can be used in conjunction with the swing-arm mechanism to achieve reciprocating swing drive of the hinge to be tested.

[0022] 8. The column structure can be used to fix the fixture and the hinge to be tested, and then lock one end of the hinge to be tested. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0024] Figure 1 This is a three-dimensional diagram from the first perspective of the present invention.

[0025] Figure 2 This is a three-dimensional diagram from a second viewing angle of the present invention.

[0026] Figure 3 It is a three-dimensional diagram from the third viewing angle of the present invention.

[0027] Figure 4 It is the front view of the present invention.

[0028] Figure 5 It is a top view of the present invention.

[0029] Figure 6 It is the right side view of the present invention.

[0030] Figure 7 It is a left view of the present invention.

[0031] In the figure: base plate structure 1, power device 2, coupling 3, reduction device 4, crank mechanism 5, swing arm mechanism 6, slideway connecting rod mechanism 7, hinge 8, clamp 9, column structure 10; Base plate 101, foot pad 102, nut 103, height adjustment screw 104; Motor 201, motor base 202, motor spindle 203; Input shaft 401, reducer 402, reducer base 403, reducer output shaft 404; Turntable 501, first short rod 502, first ball joint 503, connecting rod 504, second ball joint 505, second short rod 506; Swing arm seat 601, rotating shaft 602, swing arm 603; Slide groove 701, slide pin 702, connecting rod 703, connecting plate 704; Column base 1001, column 1002, crossbeam 1003, locking nut 1004; A first long bolt 901 , a second long bolt 902 , an L-shaped connecting plate 903 , and a pressing plate 904 . DETAILED DESCRIPTION

[0032] The embodiments of the present invention are further described below in conjunction with the accompanying drawings.

[0033] Embodiment 1: See also Figure 1-7 , hinge type hinge durability test equipment, including a base structure 1, a power device 2 for providing power is fixedly installed on the top of the base structure 1, the output end of the power device 2 is connected to the reduction device 4 through a coupling 3, the output end of the reduction device 4 is connected to the swing arm mechanism 6 through a crank mechanism 5, the swing arm mechanism 6 is connected to a slide connecting rod mechanism 7 for clamping one end of the hinge 8 to be tested, the other end of the hinge 8 is fixed to the top of the column structure 10 through a clamp 9, and the column structure 10 is fixed to the top of the base structure 1. This equipment uses a crank mechanism as a reciprocating mechanism for the test, and then used to drive the hinge to reciprocate, which can accurately control the folding angle of the reciprocating motion of the hinge, thereby ensuring the accuracy of the test data. In addition, this equipment has a simple structure and reliable operation. In the specific test process, the reduction device 4 is driven by the power device 2, the crank mechanism 5 is driven by the reduction device 4, the swing arm mechanism 6 is driven by the crank mechanism 5, the slide connecting rod mechanism 7 is driven by the swing arm mechanism 6, and the slide connecting rod mechanism 7 drives the hinge 8 to be tested to achieve reciprocating swing.

[0034] Furthermore, the base structure 1 includes a bottom plate 101, and the four corners of the bottom plate 101 are supported on the top of the foot pad 102 through height adjustment screws 104, and a nut 103 is fixed to the top of the height adjustment screw 104. The above-mentioned base structure 1 can be used to stably support the entire device, thereby preventing shaking during its operation. In the specific adjustment process, the height of the height adjustment screw 104 is adjusted to ensure the horizontality of the base structure 1.

[0035] Furthermore, the power device 2 includes a motor 201, which is fixed to the top of the base structure 1 through a motor base 202, and a motor shaft 203 of the motor 201 is connected to a coupling 3. The power device 2 can be used to provide transmission power. During operation, the motor 201 drives the motor shaft 203, and the motor shaft 203 drives the subsequent reduction device 4.

[0036] Further, the deceleration device 4 includes a decelerator 402, the input shaft of the decelerator 402 is connected to the coupling 3, the decelerator 402 is fixed to the top of the base structure 1 through the decelerator base 403, and the decelerator output shaft 404 of the decelerator 402 is connected to the crank mechanism 5. The deceleration device 4 can be used for deceleration. During operation, the deceleration device 4 is driven by the power device 2, and the crank mechanism 5 is driven by the deceleration device 4.

[0037] Further, the crank mechanism 5 includes a rotating disk 501, which is mounted on the output shaft 404 of the reducer. An eccentric first short rod 502 is arranged on the outer wall of the rotating disk 501. The end of the first short rod 502 is hinged to a connecting rod 504 through a first ball joint 503. The other end of the connecting rod 504 is hinged to a second short rod 506 through a second ball joint 505. The other end of the second short rod 506 is fixed to the outer wall of the swing arm mechanism 6. The crank mechanism 5 can form a crank slider mechanism, thereby forming a reciprocating motion. During operation, the first short rod 502 is driven by the rotating disk 501, the connecting rod 504 is driven by the first short rod 502, and the swing arm 603 of the swing arm mechanism 6 is driven to reciprocate through the connecting rod 504.

[0038] Further, the swing arm mechanism 6 includes a swing arm seat 601 fixed on the top of the base structure 1, a swing arm 603 is hinged on the swing arm seat 601 through a rotating shaft 602, and the second short rod 506 is fixed on the outer wall of the swing arm 603. The swing arm mechanism 6 can achieve reciprocating swing, and then be used to drive the slideway connecting rod mechanism 7. During the working process, the swing arm mechanism 6 is driven by the second short rod 506, and the swing arm mechanism 6 drives the slideway connecting rod mechanism 7 to swing.

[0039] Further, the slide groove connecting rod mechanism 7 includes a connecting rod 703, a slide groove 701 is provided on the connecting rod 703, the slide groove 701 is slidably matched with a sliding pin 702 fixed on the outer wall of the swing arm 603, and a connecting plate 704 is provided at the end of the connecting rod 703, and the connecting plate 704 is fixedly connected to one of the hinges of the hinge to be tested 8 by screws. The above-mentioned slide groove connecting rod mechanism 7 can be used to cooperate with the swing arm mechanism 6 to realize the reciprocating swing drive of the hinge to be tested 8.

[0040] Furthermore, the column structure 10 includes a column base 1001 fixed to the top of the bottom plate structure 1, a column 1002 is fixed to the top of the column base 1001, and a crossbeam 1003 is fixed to the top of the column 1002 via a locking nut 1004. The column structure 10 can be used to fix the fixture 9 and the hinge 8 to be tested, and then lock one end of the hinge 8 to be tested.

[0041] Furthermore, the clamp 9 includes an L-shaped connecting plate 903 fixed to the bottom end of the crossbeam 1003 by a first long bolt 901, and the other end of the L-shaped connecting plate 903 is clamped and fixed to the other hinge of the hinge 8 to be tested by a pressing plate 904 and a second long bolt 902. The above-mentioned clamp 9 can be used to fix the hinge end of the hinge 8 to be tested.

[0042] Embodiment 2: A hinge durability test method, the test method is carried out using the test equipment, and comprises the following steps: Step 1, fixing of the hinge 8 to be tested: One of the hinges of the hinge to be tested 8 is fixedly mounted on the column structure 10 by means of a fixture 9; Step 2, the movable connection of the hinge 8 to be tested: The other hinge of the hinge to be tested 8 is fixedly connected to the end of the slide connecting rod mechanism 7; Step 3, connection between the slide link mechanism 7 and the swing arm mechanism 6: The slide-link mechanism 7 and the swing-arm mechanism 6 form a sliding pin match; Step 4, connection of crank mechanism 5: The swing arm mechanism 6 is hingedly connected to the crank mechanism 5; Step 5, testing of hinge 8 to be tested: Start the power device 2, drive the crank mechanism 5 through the power device 2, drive the swing arm mechanism 6 through the crank mechanism 5, drive the slide connecting rod mechanism 7 through the swing arm mechanism 6, drive the hinge 8 to be tested to rotate through the slide connecting rod mechanism 7, set the test time, and finally complete the durability test of the hinge 8 to be tested.

Claims

1. Hinge durability test equipment, characterized in that: The invention comprises a base structure (1), a power device (2) for providing power is fixedly installed on the top of the base structure (1), the output end of the power device (2) is connected to a reduction device (4) via a coupling (3), the output end of the reduction device (4) is connected to a swing arm mechanism (6) via a crank mechanism (5), the swing arm mechanism (6) is connected to a slide connecting rod mechanism (7) for clamping one end of a hinge (8) to be tested, the other end of the hinge (8) is fixed to the top of a column structure (10) via a clamp (9), and the column structure (10) is fixed to the top of the base structure (1).

2. The hinge durability testing device according to claim 1, characterized in that: The base structure (1) comprises a bottom plate (101), the four corners of the bottom plate (101) being supported on the top of a foot pad (102) via height adjustment screws (104), and a nut (103) being fixed to the top of the height adjustment screws (104).

3. The hinge durability testing device according to claim 1, characterized in that: The power device (2) comprises a motor (201), the motor (201) being fixed to the top of the base structure (1) via a motor base (202), and a motor main shaft (203) of the motor (201) being connected to a coupling (3).

4. The hinge durability testing device according to claim 1, characterized in that: The reduction device (4) comprises a reducer (402), an input shaft (401) of the reducer (402) being connected to a coupling (3), the reducer (402) being fixed to the top of a base structure (1) via a reducer base (403), and a reducer output shaft (404) of the reducer (402) being connected to a crank mechanism (5).

5. The hinge durability testing device according to claim 4, characterized in that: The crank mechanism (5) comprises a rotating disk (501), the rotating disk (501) being mounted on the output shaft (404) of the reducer; an eccentric first short rod (502) being arranged on the outer wall of the rotating disk (501); an end of the first short rod (502) being hingedly connected to a connecting rod (504) via a first ball joint hinge (503); the other end of the connecting rod (504) being hingedly connected to a second short rod (506) via a second ball joint hinge (505); and the other end of the second short rod (506) being fixed to the outer wall of the swing arm mechanism (6).

6. The hinge durability testing device according to claim 5, characterized in that: The swing arm mechanism (6) comprises a swing arm seat (601) fixed on the top of the base structure (1), a swing arm (603) is hingedly connected to the swing arm seat (601) via a rotating shaft (602), and a second short rod (506) is fixed on the outer wall of the swing arm (603).

7. The hinge durability testing device according to claim 6, characterized in that: The slide groove connecting rod mechanism (7) comprises a connecting rod (703), a slide groove (701) is arranged on the connecting rod (703), the slide groove (701) is slidably matched with a sliding pin (702) fixed on the outer wall of the swing arm (603), and a connecting plate (704) is arranged at the end of the connecting rod (703), and the connecting plate (704) is fixedly connected to one of the hinges (8) to be tested by means of screws.

8. The hinge durability testing device according to claim 1, characterized in that: The column structure (10) comprises a column base (1001) fixed to the top of the base plate structure (1), a column (1002) is fixed to the top of the column base (1001), and a crossbeam (1003) is fixed to the top of the column (1002) via a locking nut (1004).

9. The hinge durability testing device according to claim 8, characterized in that: The clamp (9) comprises an L-shaped connecting plate (903) fixed to the bottom end of the crossbeam (1003) by a first long bolt (901), and the other end of the L-shaped connecting plate (903) is clamped and fixed to the other hinge of the hinge (8) to be tested by a pressing plate (904) and a second long bolt (902).

10. A hinge durability test method, characterized in that: The test method is performed using the test equipment described in any one of claims 1 to 9, and comprises the following steps: Step 1, fixing of the hinge (8) to be tested: One hinge of the hinge to be tested (8) is fixedly mounted on the column structure (10) by means of a fixture (9); Step 2, active connection of the hinge (8) to be tested: The other hinge of the hinge to be tested (8) is fixedly connected to the end of the slide connecting rod mechanism (7); Step 3, connection between the slide link mechanism (7) and the swing arm mechanism (6): The slide groove connecting rod mechanism (7) and the swing arm mechanism (6) form a sliding pin match; Step 4, connection of the crank mechanism (5): The swing arm mechanism (6) is hingedly connected to the crank mechanism (5); Step 5, testing of the hinge to be tested (8): The power device (2) is started, the crank mechanism (5) is driven by the power device (2), the swing arm mechanism (6) is driven by the crank mechanism (5), the slide groove connecting rod mechanism (7) is driven by the swing arm mechanism (6), the hinge (8) to be tested is driven to rotate by the slide groove connecting rod mechanism (7), and the test time is set, and finally the durability test of the hinge (8) to be tested is completed.

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