Adjustable electro-hydraulic servo universal testing machine

Abstract

The utility model relates to the technical field of electro-hydraulic servo universal testing machines, and discloses an adjustable electro-hydraulic servo universal testing machine which comprises a base, a moving assembly is arranged in an inner cavity of the base, a controller is fixedly installed at the position, close to the other side, of the front side of the base, an installation frame is installed on the top of the base, and a protection assembly is arranged on the front side of the installation frame. Hydraulic cylinders are fixedly mounted at the positions, close to the two sides, of the bottom of the mounting frame, a rectangular plate is jointly and fixedly mounted at the bottom ends of the hydraulic cylinders, three-jaw chucks are fixedly mounted on the opposite sides of the base and the rectangular plate, and when the base needs to move, two threaded sleeves can move towards the opposite sides under the cooperative use of a moving assembly; furthermore, a movable plate can move downwards under the limiting of a plurality of limiting telescopic rods through hinge rods hinged to threaded sleeves together, so that universal wheels can be in contact with the ground, the device is convenient to move, the carrying strength of workers is relieved, and the carrying safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electro -hydraulic servo universal testing machine technical field, concretely is a kind of adjustable electro -hydraulic servo universal testing machine. BACKGROUND

[0002] Electro -hydraulic servo universal testing machine sets electro -hydraulic servo automatic control, automatic measurement, data acquisition, screen display, test result processing as one, with oil cylinder under platform, configuration import oil pump and electro -hydraulic servo valve, PC servo controller, realize multi-channel closed loop control, complete test process full-automatic control, automatic measurement and other functions, with good professional, high reliability, upgrading simple and other characteristics, electro -hydraulic servo universal testing machine is mainly used for metal, nonmetal tensile, compression and bending test.It is applicable to metallurgy, building, light industry, aviation, aerospace, material, college and university, scientific research unit and other fields.

[0003] Electro -hydraulic servo universal testing machine is used to material tensile test, however, after its use, electro -hydraulic servo universal testing machine needs to be moved, needs multiple workers to carry, this mode increases the working strength of worker, and in the process of carrying, it is easy to cause safety accident, reduces the use safety of device.

[0004] Therefore, we propose a kind of adjustable electro -hydraulic servo universal testing machine to solve the problems raised in the above. INVENTION CONTENTS

[0005] The utility model aims at providing a kind of adjustable electro -hydraulic servo universal testing machine to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of adjustable electro -hydraulic servo universal testing machine, including base, the inner chamber of base is provided with moving assembly, the front side of base is fixedly installed with controller near another side, the top of base is installed with mounting bracket, the front side of mounting bracket is provided with protection assembly, the bottom of mounting bracket is fixedly installed with hydraulic cylinder near two sides, the bottom end of hydraulic cylinder is fixedly installed with rectangular plate, the opposite side of base and rectangular plate is fixedly installed with three-jaw chuck;

[0007] The moving assembly includes the threaded rod rotatably connected at the inner chamber opposite side of base near front and back two sides and the threaded sleeve commonly threadedly connected at the outer periphery of threaded rod near two ends, the bottom of threaded sleeve is hingedly connected with hinged rod near front and back two sides, the bottom end of hinged rod is commonly hingedly connected with movable plate, the bottom of movable plate is fixedly installed with universal wheel near four quarters, the inner chamber top of base is fixedly installed with servo motor near one side, the power output shaft axle end of servo motor is fixedly installed with worm, the front side of worm is engaged with worm wheel, and the worm wheel is fixedly sleeved on the outer periphery of threaded rod.

[0008] Preferably, the top of the threaded sleeve is fixedly provided with a limiting block, and the opposite side of the limiting block is movably provided with a limiting rod penetrating through the limiting block, and the two ends of the limiting rod are fixedly connected with the inner cavity side wall of the base.

[0009] Preferably, the top of the movable plate is fixedly provided with a limiting telescopic rod near the periphery, and the top end of the limiting telescopic rod is fixedly connected with the inner cavity top of the base.

[0010] Preferably, the outer periphery of the threaded rod is fixedly provided with a synchronous wheel, and the outer periphery of the synchronous wheel is jointly sleeved with a synchronous belt.

[0011] Preferably, the protection assembly comprises a winding roller located on the front side of the mounting frame and a square block fixedly installed on both sides of the winding roller, the outer periphery of the winding roller is wound with a protective cloth, the front side of the mounting frame is fixedly provided with a rectangular block near both sides, the opposite side of the rectangular block is rotatably provided with a T-shaped rod, the opposite side of the T-shaped rod is provided with a connecting seat, the opposite side of the connecting seat is provided with a square slot, the square block is movably inserted into the inner cavity of the adjacent square slot, the outer periphery of the T-shaped rod on the other side is movably sleeved with a torsional spring, and the two ends of the torsional spring are fixedly connected with the outer periphery of the T-shaped rod and the adjacent rectangular block.

[0012] Preferably, the outer periphery of the connecting seat is fixedly provided with a handle, the opposite side of the handle is fixedly provided with a reset telescopic rod, the opposite end of the reset telescopic rod is fixedly connected with the adjacent T-shaped rod, the outer periphery of the reset telescopic rod is movably sleeved with a reset spring, and the two ends of the reset spring are fixedly connected with the connecting seat and the T-shaped rod.

[0013] Preferably, the bottom of the protective cloth is fixedly provided with a T-shaped magnet A, the bottom of the T-shaped magnet A is magnetically attracted to a magnet B, the top of the base is provided with a groove near the front side, and the magnet B is fixedly connected with the groove.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1、When the base needs to be moved, under the cooperation of the moving assembly, the two threaded sleeves can be moved to the opposite side, so that the articulated rod articulated on the threaded sleeve can jointly move the movable plate downward under the limiting of the limiting telescopic rods, so that the universal wheel can be in contact with the ground, the device is convenient to move, the carrying strength of the staff is reduced, and the safety of carrying is improved.

[0016] 2、The protective cloth can protect the operator during the test of the testing machine, and the two connecting seats can be moved to the opposite side through the handle, the reset telescopic rod and the reset spring, so that the connecting seat can be away from the outer periphery of the square block, the winding roller can be conveniently disassembled and replaced, and the protection effect of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole three-dimensional structure schematic view of the utility model;

[0018] Figure 2 It is the top plate and protection layout partial explosion view of the utility model;

[0019] Figure 3 It is the three-dimensional structure schematic view of the utility model's moving assembly;

[0020] Figure 4 It is the base, synchronous wheel and synchronous belt partial section view three-dimensional structure schematic view of the utility model;

[0021] Figure 5 It is the utility model's Figure 2 Enlarged view at A;

[0022] Figure 6 It is the utility model's Figure 3 Enlarged view at B.

[0023] In the drawing: 1, base; 2, controller; 3, mounting frame; 4, hydraulic cylinder; 5, rectangular plate; 6, three-jaw chuck; 7, protection assembly; 71, winding roller; 72, protective cloth; 721, T-shaped magnet A; 722, magnet B; 723, groove; 73, rectangular block; 74, T-shaped rod; 75, torsion spring; 76, connecting seat; 761, handle; 762, reset telescopic rod; 763, reset spring; 8, moving assembly; 81, threaded rod; 811, synchronous wheel; 812, synchronous belt; 82, threaded sleeve; 821, limiting block; 822, limiting rod; 83, hinged rod; 84, movable plate; 841, limiting telescopic rod; 85, universal wheel; 86, servo motor; 87, worm; 88, worm gear. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model. EMBODIMENT

[0025] Please refer to Figures 1-6The utility model provides a kind of adjustable electro-hydraulic servo universal testing machine, including base 1, the inner cavity of base 1 is provided with moving assembly 8, the front side of base 1 is fixedly installed with controller 2 near the other side, the top of base 1 is installed with mounting bracket 3, the front side of mounting bracket 3 is provided with protection assembly 7, the bottom of mounting bracket 3 is fixedly installed with hydraulic cylinder 4 near two sides, the bottom end of hydraulic cylinder 4 is fixedly installed with rectangular plate 5 in common, and three-jaw chuck 6 is fixedly installed on the opposite side of base 1 and rectangular plate 5.

[0026] Moving assembly 8 includes threaded rod 81 rotatably connected to the opposite side of the inner cavity of base 1 near the front and back sides and threaded sleeve 82 threadedly connected to the outer periphery of threaded rod 81 near the two ends, (opposite external threads are formed on the outer periphery of threaded rod 81 near the two ends, and the thread accuracy is the same) hinged rods 83 are hinged to the bottom of threaded sleeve 82 near the front and back sides, the bottom end of hinged rods 83 is hingedly connected to movable plate 84, universal wheels 85 are fixedly installed on the bottom of movable plate 84 near the periphery, a servo motor 86 is fixedly installed on the inner cavity top near one side of base 1, a worm 87 is fixedly installed on the power output shaft end of servo motor 86, a worm wheel 88 is engaged with the front side of worm 87, and worm wheel 88 is fixedly sleeved on the outer periphery of threaded rod 81.

[0027] Specifically, when base 1 needs to be moved, the two threaded sleeves 82 can be moved to the opposite side under the cooperation of moving assembly 8, so that the hinged rods 83 hingedly connected to the threaded sleeves 82 can jointly move the movable plate 84 downward under the limiting of the plurality of limiting telescopic rods 841, so that the universal wheels 85 can be in contact with the ground, facilitating the movement of the device, reducing the carrying strength of the workers, and improving the safety of carrying.

[0028] Limiting blocks 821 are fixedly installed on the top of threaded sleeves 82, and limiting blocks 821 are movably penetrated by limiting rods 822 on the opposite side, and the two ends of limiting rods 822 are fixedly connected with the inner cavity side wall of base 1.

[0029] Specifically, the limiting of the movement of threaded sleeves 82 can be achieved by setting limiting blocks 821 and limiting rods 822.

[0030] Limiting telescopic rods 841 are fixedly installed on the top of movable plate 84 near the periphery, and the top end of limiting telescopic rods 841 is fixedly connected with the inner cavity top of base 1.

[0031] Specifically, the movement of movable plate 84 can be limited by setting limiting telescopic rods 841.

[0032] Synchronous wheels 811 are fixedly sleeved on the outer periphery of threaded rods 81, and synchronous belts 812 are sleeved on the outer periphery of synchronous wheels 811 in common.

[0033] Specifically, the synchronous rotation of the two threaded rods 81 can be realized by arranging the synchronous wheel 811 and the synchronous belt 812. Embodiments

[0034] This embodiment is an improvement based on Embodiment 1. Specifically, refer to Figure 2 and Figure 5 The protective assembly 7 comprises a winding roller 71 arranged on the front side of the mounting frame 3, square blocks fixedly arranged on both sides of the winding roller 71, and a protective cloth 72 wound around the outer periphery of the winding roller 71. Rectangular blocks 73 are fixedly arranged on the front side of the mounting frame 3 near both sides. The opposite sides of the rectangular blocks 73 are rotatably connected with T-shaped rods 74. The opposite sides of the T-shaped rods 74 are provided with connecting seats 76. The opposite sides of the connecting seats 76 are provided with square grooves. The square blocks are movably inserted into the inner cavities of the adjacent square grooves. A torsional spring 75 is movably arranged around the outer periphery of the T-shaped rod 74 on the other side. The two ends of the torsional spring 75 are fixedly connected with the outer periphery of the T-shaped rod 74 and the adjacent rectangular block 73.

[0035] Specifically, the protective cloth 72 can protect the operator during the test of the testing machine.

[0036] The outer peripheries of the connecting seats 76 are fixedly provided with handles 761. The opposite sides of the handles 761 are fixedly provided with reset telescopic rods 762. The opposite ends of the reset telescopic rods 762 are fixedly connected with the adjacent T-shaped rods 74. The outer peripheries of the reset telescopic rods 762 are movably provided with reset springs 763. The two ends of the reset springs 763 are fixedly connected with the connecting seats 76 and the T-shaped rods 74.

[0037] Specifically, the handles 761, the reset telescopic rods 762, and the reset springs 763 can move the two connecting seats 76 away from each other, so that the connecting seats 76 are away from the outer periphery of the square blocks, facilitating the disassembly and replacement of the winding roller 71, and improving the protection effect of the device.

[0038] The bottom of the protective cloth 72 is fixedly provided with a T-shaped magnet A 721. The bottom of the T-shaped magnet A 721 is magnetically attracted to a magnet B 722. The top of the base 1 is provided with a groove 723 near the front side. The magnet B 722 is fixedly connected with the groove 723.

[0039] Specifically, the T-shaped magnet A 721 and the magnet B 722 can limit the position of the protective cloth 72, improving the shielding effect.

[0040] Working principle: when the base 1 needs to move, the controller 2 is set at the moment, the servo motor 86 power output shaft can be rotated, and then the worm 87 fixed on the servo motor 86 power output shaft shaft end can be rotated, and then the worm 87 meshed with the worm wheel 88 can be rotated, so that the threaded rod 81 can be rotated, the synchronous wheel 811 and the synchronous belt 812 can be set to make the two threaded rods 81 rotate synchronously, the opposite external threads are set on the outer periphery of the threaded rod 81 close to both ends, and the threaded accuracy is same, the two threaded sleeves 82 can be moved to the opposite side under the limiting of the limiting block 821 and the limiting rod 822, and then the hinged rod 83 hinged on the threaded sleeve 82 can make the movable plate 84 move downward under the limiting of the several limiting telescopic rods 841, and then the universal wheel 85 can be in contact with the ground, the device is convenient to move, the carrying strength of the worker is reduced, the safety of carrying is improved, the debris generated during testing can be protected by setting the protective cloth 72, and the magnetic attraction limiting can be realized by setting the T-shaped magnet A721 and the magnet B722, when the winding roller 71 needs to be disassembled, the worker can push the adjacent handle 761 to the opposite side at the moment, and then the connecting seat 76 can be away from the outer periphery of the square block, the winding roller 71 and the protective cloth 72 are convenient to disassemble and replace, and the protection effect of the device is improved.

[0041] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0042] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An adjustable electro-hydraulic servo universal testing machine, comprising a base (1), characterized in that: The inner cavity of the base (1) is provided with a moving component (8). A controller (2) is fixedly installed on the front side of the base (1) near the other side. A mounting bracket (3) is installed on the top of the base (1). A protective component (7) is provided on the front side of the mounting bracket (3). Hydraulic cylinders (4) are fixedly installed on both sides of the bottom of the mounting bracket (3). A rectangular plate (5) is fixedly installed on the bottom end of the hydraulic cylinders (4). A three-jaw chuck (6) is fixedly installed on the opposite side of the base (1) and the rectangular plate (5). The moving component (8) includes a threaded rod (81) rotatably connected to the opposite side of the inner cavity of the base (1) near the front and rear sides, and a threaded sleeve (82) threadedly connected to the outer periphery of the threaded rod (81) near both ends. The bottom of the threaded sleeve (82) is hinged to the front and rear sides. The bottom of the hinged rod (83) is hinged to the movable plate (84). The bottom of the movable plate (84) is fixedly installed with casters (85) near all four sides. A servo motor (86) is fixedly installed on the top of the inner cavity of the base (1) near one side. A worm gear (87) is fixedly installed on the end of the power output shaft of the servo motor (86). A worm wheel (88) meshes with the front side of the worm gear (87), and the worm wheel (88) is fixedly sleeved on the outer periphery of the threaded rod (81).

2. The adjustable electro-hydraulic servo universal testing machine according to claim 1, characterized in that: The top of each threaded sleeve (82) is fixedly installed with a limiting block (821), and the limiting blocks (821) on opposite sides move through the limiting rod (822), and the two ends of the limiting rod (822) are fixedly connected to the inner cavity sidewall of the base (1).

3. The adjustable electro-hydraulic servo universal testing machine according to claim 1, characterized in that: Limiting telescopic rods (841) are fixedly installed on the top of the movable plate (84) near its four sides, and the top of each limiting telescopic rod (841) is fixedly connected to the top of the inner cavity of the base (1).

4. The adjustable electro-hydraulic servo universal testing machine according to claim 1, characterized in that: Synchronous pulleys (811) are fixedly sleeved on the outer periphery of each threaded rod (81), and synchronous belts (812) are sleeved on the outer periphery of the synchronous pulleys (811).

5. An adjustable electro-hydraulic servo universal testing machine according to claim 1, characterized in that: The protective assembly (7) includes a take-up roller (71) located on the front side of the mounting frame (3) and blocks fixedly installed on both sides of the take-up roller (71). The outer periphery of the take-up roller (71) is wrapped with a protective cloth (72). Rectangular blocks (73) are fixedly installed on the front side of the mounting frame (3) near both sides. A T-shaped rod (74) is rotated on the opposite side of the rectangular blocks (73). A connecting seat (76) is provided on the opposite side of the T-shaped rod (74), and a square groove is opened on the opposite side of the connecting seat (76). The blocks are movably inserted into the inner cavity of the adjacent square grooves. A torsion spring (75) is movably sleeved on the outer periphery of the T-shaped rod (74) on the other side, and the two ends of the torsion spring (75) are fixedly connected to the outer periphery of the T-shaped rod (74) and the adjacent rectangular block (73) respectively.

6. The adjustable electro-hydraulic servo universal testing machine according to claim 5, characterized in that: The outer periphery of the connecting seat (76) is fixedly fitted with a handle (761), and the opposite side of the handle (761) is fixedly installed with a reset telescopic rod (762). The opposite end of the reset telescopic rod (762) is fixedly connected to the adjacent T-shaped rod (74). The outer periphery of the reset telescopic rod (762) is movably fitted with a reset spring (763), and the two ends of the reset spring (763) are fixedly connected to the connecting seat (76) and the T-shaped rod (74) respectively.

7. An adjustable electro-hydraulic servo universal testing machine according to claim 5, characterized in that: The bottom of the protective cloth (72) is fixedly installed with a T-shaped magnet A (721), and the bottom of the T-shaped magnet A (721) is magnetically attracted with a magnet B (722). The top of the base (1) is provided with a groove (723) near the front side, and the magnet B (722) is fixedly connected to the groove (723).

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