Oil-electricity hybrid universal testing machine

Abstract

The utility model discloses an oil-electricity hybrid universal testing machine which comprises a base, a machine body is fixedly mounted at the upper end of the base, and a machine door is rotatably connected to the outer side of the machine body; the control module is fixedly mounted on the outer side of the machine body; the stretching assembly is mounted on the inner side of the machine body; and the clamping assembly is mounted on the outer side of the stretching assembly. According to the oil-electricity hybrid universal testing machine, after the two ends of a workpiece are fixed, a servo motor is operated, the output end of the servo motor drives a first different-direction threaded rod to rotate, the first different-direction threaded rod rotates to drive two sets of threaded connectors in threaded connection with the outer side to move reversely, and the two sets of threaded connectors move reversely, so that the workpiece is fixed. And the tensile strength of the workpiece can be judged by observing the numerical value of the tension sensor between the connecting plates and the test plate, so that the performance of the workpiece can be conveniently evaluated.

Description

TECHNICAL FIELD

[0001] The utility model relates to test machine technical field, concretely is a kind of oil-electricity hybrid universal testing machine. BACKGROUND

[0002] Oil-electricity hybrid universal testing machine is a kind of material testing equipment with multiple functions, mainly used for metal, non-metal material mechanical property test.

[0003] The utility model discloses a test machine with the application No. CN202111133082.3, including machine table and testing device, machine table includes frame structure, side plate subassembly and electric control box, side plate subassembly sets up in the circumferential side of frame structure and forms cavity structure, and electric control box sets up in the outside of cavity structure;Testing device includes testing mechanism, liquid supply mechanism and electric control mechanism, testing mechanism is installed on frame structure, for testing the sealing ring installed in testing mechanism;Liquid supply mechanism sets up in cavity structure, provides hydraulic power for testing mechanism;Electric control mechanism is connected with oil temperature sensor on testing mechanism and motor on liquid supply mechanism, so that the motor can drive the oil pump on liquid supply mechanism to provide hydraulic oil to testing mechanism;Frame structure is divided into two parts from one side of frame structure to the other side of frame structure, and motor and oil pump are installed on one part in sequence, and the oil tank of liquid supply mechanism is installed on the other part, and the loading circuit that communicates with testing mechanism is installed on the oil tank, and electric control box sets up in the side of frame structure located oil tank.

[0004] The device is provided with a tensile test structure, but the device does not have a structure for clamping and fixing the workpiece. If the two ends of the workpiece are not clamped and fixed during testing, the position of the workpiece may shift during testing, affecting the test results. Utility model content

[0005] The utility model aims at providing an oil-electricity hybrid universal testing machine to solve the problem that the device does not have a structure for clamping and fixing the workpiece, and the position of the workpiece may shift during testing, affecting the test results.

[0006] To achieve the above-mentioned purpose, the utility model provides an oil-electricity hybrid universal testing machine, which comprises a base, a machine body is fixedly installed on the upper end of the base, and a machine door is rotatably connected to the outer side of the machine body;A control module is fixedly installed on the outer side of the machine body;A stretching assembly is installed on the inner side of the machine body;A clamping assembly is installed on the outer side of the stretching assembly, wherein the stretching assembly is driven, and the stretching assembly can perform tensile test on the workpiece being tested;The two ends of the workpiece can be clamped and fixed by the clamping assembly.

[0007] Preferably, the stretching assembly comprises a servo motor, a first reverse threaded rod, a threaded connector and a connecting plate, the servo motor is fixedly installed outside the machine body, a first reverse threaded rod is fixedly installed at the output end of the servo motor, the threaded connector is threadedly connected outside the first reverse threaded rod, the connecting plate is fixedly installed outside the threaded connector, and two groups of connecting plates are symmetrically arranged above and below the midpoint of the machine body.

[0008] Preferably, the stretching assembly further comprises a tension sensor and a test plate, the tension sensor is fixedly installed outside the connecting plate, and the test plate is fixedly connected to the tail end of the tension sensor.

[0009] Preferably, the stretching assembly further comprises a guide rod and a guide block, the guide rod is fixedly installed inside the machine body, the guide block is nested outside the guide rod, and the guide block is fixedly installed outside the connecting plate.

[0010] Preferably, the clamping assembly comprises a hydraulic rod and a rack, the hydraulic rod is fixedly installed outside the test plate, and the rack is fixedly installed at the output end of the hydraulic rod.

[0011] Preferably, the clamping assembly further comprises a second reverse threaded rod and a gear, the second reverse threaded rod is rotatably connected outside the test plate, the gear is fixedly installed outside the second reverse threaded rod, and the gear is meshed with the rack outside.

[0012] Preferably, the clamping assembly further comprises a sliding rail, a sliding seat and a clamping plate, the sliding rail is fixedly installed outside the test plate, the sliding seat is slidably connected inside the sliding rail, the sliding seat is threadedly connected with the second reverse threaded rod through the threaded hole formed in the inside, the clamping plate is fixedly installed outside the sliding seat, and two groups of clamping plates are symmetrically arranged left and right about the midpoint of the sliding rail.

[0013] Compared with the prior art, the oil-electric hybrid universal testing machine has the following advantages:

[0014] 1. Clamping and fixing structure, when the workpiece needs to be tested for tensile strength, first place the workpiece at both ends between the left and right clamping plates, then run the hydraulic rod, the rack at the output end of the hydraulic rod moves forward and backward, the gear meshed outside rotates when the rack moves forward, the rotation of the gear drives the second reverse threaded rod inside to rotate, the rotation of the second reverse threaded rod drives the sliding seat at both ends to move towards each other along the inside of the sliding rail, the movement of the two groups of sliding seats drives the clamping plates outside to move together, and the movement of the two groups of clamping plates clamps the two sides of the workpiece, so that the workpiece is fixed.

[0015] 2. The tensile strength test structure, after the workpiece is fixed at both ends, the servo motor is operated, the first opposite threaded rod is driven by the output end of the servo motor to rotate, the two groups of threaded connectors connected by the outer thread are moved in opposite directions, the workpiece connected in the middle is stretched by the opposite movement of the two groups of threaded connectors, and the tensile strength of the workpiece is judged by observing the value of the tensile sensor between the connecting plate and the test plate, so that the performance of the workpiece can be evaluated conveniently. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole three-dimensional structure schematic view of the utility model;

[0017] Figure 2 It is a whole side view structure schematic view of the utility model;

[0018] Figure 3 It is a front sectional view structure schematic view of the utility model;

[0019] Figure 4 It is a three-dimensional structure schematic view of the utility model tensile assembly;

[0020] Figure 5 It is a three-dimensional structure schematic view of the utility model clamping assembly;

[0021] Figure 6 It is the utility model Figure 5 It is an enlarged structure schematic view of the middle A.

[0022] In the drawing: 1, base; 2, machine body; 3, machine door; 4, control module; 5, tensile assembly; 501, servo motor; 502, first opposite threaded rod; 503, threaded connector; 504, connecting plate; 505, tensile sensor; 506, test plate; 507, guide rod; 508, guide block; 6, clamping assembly; 601, hydraulic rod; 602, rack; 603, second opposite threaded rod; 604, gear; 605, sliding rail; 606, sliding seat; 607, clamping plate. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with 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 labor belong to the protection scope of the utility model.

[0024] Please refer to Figures 1-6 The utility model provides a technical scheme: an oil-electricity hybrid universal testing machine, comprising:

[0025] Example 1: As Figures 1-5 The present invention provides a technical solution: a hybrid universal testing machine, comprising: a base 1, with a body 2 fixedly mounted on the upper end of the base 1, and a door 3 rotatably connected to the outer side of the body 2; a control module 4, fixedly mounted on the outer side of the body 2; a tensile assembly 5, mounted on the inner side of the body 2; and a clamping assembly 6, mounted on the outer side of the tensile assembly 5. The tensile assembly 5 drives the tensile assembly 5 to perform tensile testing on the workpiece; and the clamping assembly 6 clamps and fixes both ends of the workpiece.

[0026] The tensioning assembly 5 includes a servo motor 501, a first anti-threaded rod 502, a threaded connector 503, and a connecting plate 504. The servo motor 501 is fixedly installed on the outside of the machine body 2, and the first anti-threaded rod 502 is fixedly installed at the output end of the servo motor 501. The threaded connector 503 is threadedly connected to the outside of the first anti-threaded rod 502. The connecting plate 504 is fixedly installed on the outside of the threaded connector 503, and two sets of connecting plates 504 are arranged symmetrically about the midpoint of the machine body 2. The tensioning assembly 5 also includes a tension sensor 505 and a test plate 506. The tension sensor 505 is fixedly installed on the outside of the connecting plate 504, and the test plate 506 is fixedly connected to the tail end of the tension sensor 505. The tensioning assembly 5 also includes a guide rod 507 and a guide block 508. The guide rod 507 is fixedly installed on the inside of the machine body 2, and the guide block 508 is nested on the outside of the guide rod 507. The guide block 508 is fixedly installed on the outside of the connecting plate 504.

[0027] After the two ends of the workpiece are fixed, the servo motor 501 is activated. The output of the servo motor 501 drives the first anti-threaded rod 502 to rotate. The rotation of the first anti-threaded rod 502 will cause the two sets of threaded connectors 503 connected by the outer thread to move in the opposite direction. Through the reverse movement of the two sets of threaded connectors 503, the upper and lower sets of connecting plates 504 will move in the opposite direction as well, thus stretching the workpiece connected in the middle. At this time, the value of the tension sensor 505 between the connecting plate 504 and the test plate 506 can be observed to determine the tensile strength of the workpiece, thereby facilitating the evaluation of the workpiece performance.

[0028] Example 2: Figures 1-3 , Figure 6The technical scheme shown, the utility model provides a kind of technical scheme: an oil-electricity hybrid universal testing machine, disclose: clamping assembly 6 includes hydraulic rod 601 and rack 602, hydraulic rod 601 is fixedly installed in test plate 506 outside, and hydraulic rod 601 output end is fixedly installed with rack 602;Clamping assembly 6 further includes second opposite screw rod 603 and gear 604, second opposite screw rod 603 is rotatably connected in test plate 506 outside, and second opposite screw rod 603 outside is fixedly installed with gear 604, and gear 604 outside is engaged with rack 602;Clamping assembly 6 further includes sliding rail 605, sliding seat 606 and clamping plate 607, sliding rail 605 is fixedly installed in test plate 506 outside, and sliding rail 605 inside is slidably connected with sliding seat 606, and sliding seat 606 is connected by the threaded hole of inside and second opposite screw rod 603 to form screw connection, sliding seat 606 outside is fixedly installed with clamping plate 607, and clamping plate 607 is about sliding rail 605 midpoint and symmetrically arranged with two groups of left and right;

[0029] This structure when needing to carry out tensile strength test to workpiece, first, workpiece both ends are placed between left and right clamping plate 607, subsequently run hydraulic rod 601, and hydraulic rod 601 output end drives rack 602 to move back and forth, when rack 602 moves forward, will drive the gear 604 of outside engagement to rotate, and gear 604 rotation will drive the second opposite screw rod 603 of inside to rotate along, and second opposite screw rod 603 rotation will drive both ends screw connection sliding seat 606 to move along the inside of sliding rail 605 towards each other, and the movement of two groups of sliding seat 606 towards each other will drive the clamping plate 607 of outside to move along, and the movement of two groups of clamping plate 607 towards each other, so that the both sides of workpiece are clamped, make it fixed.

[0030] The content not described in detail in the specification belongs to the prior art known to those skilled in the art.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An oil-electric hybrid universal testing machine characterized by, Include: Base (1), the base (1) upper end fixed installation has organism (2), and the organism (2) outside rotary connection has machine door (3); Control module (4), the control module (4) is fixedly installed on the outside of the body (2); Stretching assembly (5), the stretching assembly (5) is installed in the inside of the body (2); Clamping assembly (6), the clamping assembly (6) is installed on the outside of the stretching assembly (5), wherein, Drive the stretching assembly (5), and the stretching assembly (5) can be stretched to the workpiece for testing; Through the clamping assembly (6), the workpiece can be clamped and fixed at both ends.

2. The oil-electric universal testing machine of claim 1, wherein: The stretching assembly (5) includes a servo motor (501), a first opposite screw rod (502), a threaded connector (503) and a connecting plate (504); The servo motor (501) is fixedly installed on the outside of the body (2), and the output end of the servo motor (501) is fixedly installed with the first opposite screw rod (502), the outside of the first opposite screw rod (502) is threadedly connected with the threaded connector (503), the outside of the threaded connector (503) is fixedly installed with the connecting plate (504), and the connecting plate (504) is symmetrically provided with two groups about the midpoint of the body (2).

3. The oil-electric universal testing machine of claim 2, wherein: The stretching assembly (5) further includes a tension sensor (505) and a test plate (506); The tension sensor (505) is fixedly installed on the outside of the connecting plate (504), and the tail end of the tension sensor (505) is fixedly connected with the test plate (506).

4. The hybrid universal testing machine of claim 3, wherein: The stretching assembly (5) further includes a guide rod (507) and a guide block (508); The guide rod (507) is fixedly installed on the inside of the body (2), and the guide rod (507) is nested with the guide block (508) on the outside, and the guide block (508) is fixedly installed on the outside of the connecting plate (504).

5. The oil-electric universal testing machine according to any one of claims 1-4, characterized in that: The clamping assembly (6) includes a hydraulic rod (601) and a rack (602); The hydraulic rod (601) is fixedly installed on the outside of the test plate (506), and the output end of the hydraulic rod (601) is fixedly installed with the rack (602).

6. The hybrid universal testing machine of claim 5, wherein: The clamping assembly (6) further includes a second opposite screw rod (603) and a gear (604); The second opposite screw rod (603) is rotatably connected on the outside of the test plate (506), and the second opposite screw rod (603) is fixedly installed with the gear (604) on the outside, and the gear (604) is engaged with the rack (602) on the outside.

7. The hybrid universal testing machine of claim 6, wherein: The clamping assembly (6) further includes a sliding rail (605), a sliding seat (606) and a clamping plate (607); The sliding rail (605) is fixedly installed on the outside of the test plate (506), and the sliding rail (605) is slidably connected with the sliding seat (606) on the inside, and the sliding seat (606) is threadedly connected with the second opposite screw rod (603) through the threaded hole formed on the inside, the sliding seat (606) is fixedly installed with the clamping plate (607) on the outside, and the clamping plate (607) is symmetrically provided with two groups about the midpoint of the sliding rail (605).

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