Compensation chain durability testing device

Abstract

The utility model provides a compensation chain durability testing device, which comprises a testing box, a fixing mechanism and a lifting mechanism, a switch door is arranged on the front wall of the testing box, an upper support plate and a lower support plate are respectively arranged at the upper end and the lower end of the rear side of the rear wall of the testing box, and the upper end and the lower end of a left sliding rod and the upper end and the lower end of a right sliding rod are respectively connected with the upper support plate and the lower support plate. The fixing mechanism comprises a fixing wheel, a fixing plate and a servo motor, and the pulling-up mechanism comprises a pulling-up wheel, a pulling-up plate and an air cylinder. The beneficial effects of the utility model are that the servo motor controls the rotation rate of the fixed wheel, and the cylinder controls the up-and-down movement of the pull-up wheel, so that the rotation rate and tensile strength of the compensation chain can be adjusted, the fatigue resistance and service life of the compensation chain can be tested, the cycle index is reduced, and the detection efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to machinery transmission component test technical field especially, it is a kind of compensating chain endurance test device. BACKGROUND

[0002] Compensating chain is the structure for iron chain outer wrap PVC rubber composite material, is used to compensate the weight of steel wire rope, makes elevator stable operation.Compensating chain as the key transmission component of elevator equipment, it will experience repeated bending, stretching and friction in long-term use, easily lead to metal fatigue and wear, thus need to test compensating chain to understand its fatigue resistance and service life.Traditional endurance test needs more than thousands of cycles, time-consuming weeks or even months, it is difficult to quickly verify new material or design. CONTENT OF UTILITY MODEL

[0003] The utility model aims at providing a kind of compensating chain endurance test device, can be adjusted compensating chain rotation rate and tensile strength, detect chain fatigue resistance and life, reduce cycle number, improve detection efficiency, especially suitable in the production process of compensating chain.

[0004] The utility model discloses a kind of compensating chain endurance test device, including test box, fixed mechanism and lift mechanism, the test box front wall is equipped with switch door, the test box rear wall rear side upper and lower ends are respectively equipped with upper support plate and lower support plate, left slide bar and right slide bar upper and lower ends are respectively connected with upper support plate and lower support plate, the fixed mechanism includes fixed wheel, fixed plate and servo motor, the fixed plate rear end is fixedly connected with left slide bar and right slide bar respectively by multiple fixed blocks, fixed plate rear end is equipped with placing plate, the placing plate is equipped with servo motor, the output shaft of the servo motor is respectively passed through fixed plate on fixed hole and test box rear wall on upper hole and is connected with fixed wheel,

[0005] The lift mechanism includes lift wheel, lift plate and cylinder, the lift plate rear end is slidably connected with left slide bar and right slide bar respectively by multiple lift blocks, the lift block is equipped with lift hole, the lift block is set on left slide bar and right slide bar by lift hole, lift plate rear end is equipped with connecting plate, the lower end of the connecting plate is connected with the piston rod of cylinder, the cylinder is equipped on lower support plate, the test box is equipped with adjustment rectangle hole, the front end of rotating shaft is respectively passed through lift hole on lift plate and adjustment rectangle hole and is connected with lift wheel, the lift wheel is equipped in the lower of fixed wheel.

[0006] Preferably, the switch door is tempered glass door.

[0007] Preferably, the output shaft of the servo motor is equipped with upper bearing respectively at fixed hole and upper hole.

[0008] Preferably, the front end of the rotating shaft is provided with a lower bearing through the pull-up hole.

[0009] Preferably, a limiting block is arranged at the upper inner wall of the adjusting rectangular hole, and a shock pad is arranged on the lower surface of the limiting block.

[0010] The utility model has the advantages and positive effects that: due to the above technical scheme, the servo motor controls the rotating speed of the fixed wheel, the cylinder controls the up-down movement of the pull-up wheel, and then the rotating speed and the tensile strength of the compensation chain can be adjusted, the fatigue resistance and the service life of the compensation chain are tested, the cycle number is reduced, and the detection efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 is the front view of the utility model.

[0012] Figure 2 is the rear view of the utility model.

[0013] In the drawings:

[0014] Test box 2, pull-up wheel 3, upper support plate 4, lower support plate 5, left slide rod

[0015] Right slide rod 7, fixed wheel 8, fixed plate 9, servo motor 10, fixed block

[0016] Placement plate 12, pull-up plate 13, cylinder 14, pull-up block 15, connecting plate

[0017] 16, rotating shaft 17, adjusting rectangular hole DETAILED DESCRIPTION

[0018] As shown in Figure 1 , 2 The technical scheme of the utility model provides a kind of compensation chain endurance test device, including test box 1, fixed mechanism and pull-up mechanism, the front wall of the test box 1 is equipped with switch door, the rear wall of the test box 1 rear side upper and lower ends are equipped with upper support plate 3 and lower support plate 4 respectively, the upper and lower ends of left slide rod 5 and right slide rod 6 are connected with upper support plate 3 and lower support plate 4 respectively, the fixed mechanism includes fixed wheel 7, fixed plate 8 and servo motor 9, the rear end of the fixed plate 8 is fixedly connected with left slide rod 5 and right slide rod 6 by multiple fixed blocks 10 respectively, and the rear end of fixed plate 8 is equipped with placement plate 11, the placement plate 11 is equipped with servo motor 9, the output shaft of the servo motor 9 is connected with fixed wheel 7 by passing through the fixed hole of fixed plate 8 and the upper hole of the rear wall of test box 1 respectively,

[0019] The lifting mechanism comprises a lifting wheel 2, a lifting plate 12 and a cylinder 13, the rear end of the lifting plate 12 is slidably connected with the left slide rod 5 and the right slide rod 6 through a plurality of lifting blocks 14 respectively, the lifting blocks 14 are provided with lifting through holes, the lifting blocks 14 are sleeved on the left slide rod 5 and the right slide rod 6 through the lifting through holes, the rear end of the lifting plate 12 is provided with a connecting plate 15, the lower end of the connecting plate 15 is connected with the piston rod of the cylinder 13, the cylinder 13 is arranged on the lower supporting plate 4, the test box is provided with an adjusting rectangular through hole 17, the front end of the rotating shaft 16 passes through the lifting through hole on the lifting plate 12 and the adjusting rectangular through hole 17 and is connected with the lifting wheel 2, and the lifting wheel 2 is arranged directly below the fixed wheel 7.

[0020] In the embodiment, the switch door is a tempered glass door, and the test condition is convenient to observe.

[0021] In the embodiment, the output shaft of the servo motor 9 passes through the fixed through hole and the upper through hole and is respectively provided with upper bearings.

[0022] In the embodiment, the front end of the rotating shaft 16 is provided with a lower bearing at the lifting through hole.

[0023] In the embodiment, the adjusting rectangular through hole 17 is provided with a limiting block at the inner wall, and the lower surface of the limiting block is provided with a shock pad.

[0024] The working process of the embodiment is as follows: before use, the switch door is opened, the cylinder is controlled to move the lifting wheel upward to the position close to the shock pad of the rotating shaft, the compensation chain is sleeved on the fixed wheel and the lifting wheel, the switch door is closed, then the cylinder is adjusted according to the requirement to move the lifting wheel downward, the lifting strength of the compensation chain is improved, the rotating speed of the servo motor is adjusted, and the fatigue resistance and service life of the compensation chain are tested.

[0025] The above embodiment of the utility model is described in detail, but the content is only the preferred embodiment of the utility model, and cannot be considered as limiting the implementation range of the utility model. Any equivalent change and improvement within the application range of the utility model should still belong to the patent coverage range of the utility model.

Claims

1. A compensated chain endurance testing device, characterized by: The utility model relates to a test box, fixed mechanism and pull up mechanism are included, the front wall of test box is equipped with switch door, the rear wall upper and lower ends of rear wall rear side of test box are equipped with upper support plate and lower support plate respectively, the upper and lower ends of left slide bar and right slide bar are connected with upper support plate and lower support plate respectively, the fixed mechanism includes fixed wheel, fixed plate and servo motor, the rear end of fixed plate is fixedly connected with left slide bar and right slide bar through a plurality of fixed blocks respectively, the rear end of fixed plate is equipped with the placing plate, the servo motor is equipped on the placing plate, the output shaft of servo motor respectively passes through the fixed hole on fixed plate and the upper hole on the rear wall of test box and is connected with fixed wheel, The pull up mechanism includes pull up wheel, pull up plate and cylinder, the rear end of pull up plate is slidably connected with left slide bar and right slide bar through a plurality of pull up blocks respectively, the pull up block is equipped with pull up hole, the pull up block is sleeved on left slide bar and right slide bar through pull up hole, the rear end of pull up plate is equipped with connecting plate, the lower end of connecting plate is connected with the piston rod of cylinder, the cylinder is arranged on lower support plate, the test box is equipped with adjusting rectangular hole, the front end of rotating shaft respectively passes through pull up hole on pull up plate and adjusting rectangular hole and is connected with pull up wheel, the pull up wheel is arranged directly below fixed wheel.

2. A compensated chain endurance testing device according to claim 1, wherein: The switch door is a toughened glass door.

3. The compensated chain endurance testing apparatus of claim 1, wherein: The output shaft of servo motor is equipped with upper bearing at fixed hole and upper hole respectively.

4. The compensated chain endurance testing apparatus of claim 1, wherein: The front end of rotating shaft is equipped with lower bearing at pull up hole.

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