Metal material tensile fatigue testing machine

Abstract

The utility model relates to a metal material tensile fatigue testing machine which comprises a testing machine main body, a fixed clamp, a movable clamp, a sliding rod and a screw rod, the sliding rod is arranged on the testing machine main body, the fixed clamp is arranged at the top end of the sliding rod, the movable clamp is arranged on the sliding rod in a sliding mode, the screw rod is rotationally arranged on the testing machine main body through a motor, and the movable clamp is in threaded connection with the screw rod; the winding discs are arranged on the two sides of the movable clamp; the steel wire rope is wound on the winding disc, and one end of the steel wire rope is connected with the fixed clamp; by introducing the winding disc, the steel wire rope, the oil storage tank, the piston rod, the oil discharge ring and other structures, automatic lubrication of the sliding rod in the tensile test process is achieved, when the movable clamp moves, the clockwork spring drives the winding disc to rotate, then the piston rod is pushed by the connecting rod to slide in the oil storage tank, and oil is extracted and discharged; and the oil discharge ring is responsible for uniformly smearing the oil liquid on the sliding rod, so that a worker is prevented from manually smearing the lubricating oil on the sliding rod.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the fatigue test technical field, concretely relates to a metal material tensile fatigue testing machine. BACKGROUND

[0002] In the research and application of metal materials, it is crucial to understand its tensile fatigue performance, and the metal tensile fatigue testing machine is a kind of equipment specially used for testing the performance of metal materials under tensile fatigue conditions.

[0003] The traditional metal material tensile fatigue testing machine mainly drives the clamp to the metal material for tensile test by motor, but in the long-time, high-strength tensile process, the friction and wear problem of sliding rod often influences the accuracy of test results, for this, the staff needs to pay attention to the running state, and lubricates the sliding rod when needed, for this, a metal material tensile fatigue testing machine for lubricating the sliding rod is provided. UTILITY MODEL CONTENTS

[0004] The utility model discloses a metal material tensile fatigue testing machine for lubricating the sliding rod to solve the above problems.

[0005] The utility model discloses the following technical scheme to realize the above-mentioned purpose:

[0006] A metal material tensile fatigue testing machine, including the testing machine main part, fixed clamp, movable clamp, sliding rod and screw rod, the sliding rod is arranged on the testing machine main part, the fixed clamp is arranged at the top of sliding rod, the movable clamp is slidably arranged on the sliding rod, the screw rod is rotatably arranged on the testing machine main part by motor, and the movable clamp is threadedly connected with the screw rod.

[0007] Still include:

[0008] The winding disc is arranged on the two sides of the movable clamp.

[0009] Steel wire rope, the steel wire rope is wound and arranged on the winding disc, and one end of the steel wire rope is connected with the fixed clamp.

[0010] The oil tank is arranged at the two ends of the movable clamp.

[0011] The piston rod is slidably arranged in the oil tank.

[0012] The oil discharge ring is sleeved on the sliding rod and connected with the oil tank.

[0013] As a further optimization scheme of the utility model, the winding disc is provided with a cross bar, the movable clamp is provided with a support on the two sides, the winding disc is rotatably arranged on the support through the cross bar, a clockwork spring is arranged between the winding disc and the support, and the two ends of the clockwork spring are connected with the winding disc and the support respectively.

[0014] As a further optimization scheme of the utility model, the movable port is arranged on the oil storage tank, the piston rod is slidably arranged in the movable port, the air port is arranged on the oil storage tank, the air inlet valve is arranged in the air port, the oil outlet pipe is arranged on the oil storage tank, the oil outlet pipe penetrates the top wall of the oil storage tank, and the oil outlet valve is arranged in the oil outlet pipe.

[0015] As a further optimization scheme of the utility model, the piston plate is arranged on the piston rod, the piston rod is slidably arranged in the movable port through the piston plate, the cam is fixedly arranged on the cross rod, and the connecting rod is arranged between the cam and the top end of the piston rod.

[0016] As a further optimization scheme of the utility model, the oil discharge ring is arranged on the movable clamp, the oil discharge port is arranged on the surface close to the slide rod of the oil discharge ring, and the guide pipe is arranged between the oil discharge ring and the oil outlet pipe.

[0017] As a further optimization scheme of the utility model, the oil discharge rings on the same side are connected through the guide pipes.

[0018] The utility model has the advantages of:

[0019] Different from the prior art, in the actual use process, the automatic lubrication of the slide rod in the tensile test process is realized through the introduction of the winding disc, the steel wire rope, the oil storage tank, the piston rod and the oil discharge ring, when the movable clamp moves, the clockwork spring drives the winding disc to rotate, and then the piston rod is pushed to slide in the oil storage tank through the connecting rod, the oil extraction and discharge are realized, the oil discharge ring is responsible for uniformly smearing the oil on the slide rod, and the manual smearing of the lubricating oil on the slide rod by the staff is avoided. DRAWINGS

[0020] Figure 1 It is the whole structure schematic diagram of the utility model;

[0021] Figure 2 It is the movable clamp connecting structure schematic diagram of the utility model;

[0022] Figure 3 It is the oil discharge ring structure schematic diagram of the utility model;

[0023] Figure 4 It is the winding disc connecting structure schematic diagram of the utility model

[0024] Figure 5 It is the oil storage tank cut structure schematic diagram of the utility model.

[0025] In the diagram: 1. Main body of the testing machine; 2. Fixed clamp; 3. Moving clamp; 4. Rewinding reel; 41. Crossbar; 42. Bracket; 43. Spring; 5. Oil drain ring; 51. Oil drain port; 52. Guide tube; 6. Oil storage tank; 61. Air inlet valve; 62. Oil outlet valve; 63. Oil outlet pipe; 64. Movable port; 7. Wire rope; 8. Piston rod; 81. Connecting rod; 82. Cam; 9. Slide rod; 10. Screw. Detailed Implementation

[0026] The present application will now be described in further detail with reference to the accompanying drawings. It should be noted that the following specific embodiments are only used to further illustrate the present application and should not be construed as limiting the scope of protection of the present application. Those skilled in the art can make some non-essential improvements and adjustments to the present application based on the above application content.

[0027] Example 1

[0028] like Figure 1 - Figure 5 As shown, a tensile fatigue testing machine for metallic materials includes a testing machine body 1, a fixed clamp 2, a movable clamp 3, a slide rod 9, and a screw 10. The slide rod 9 is mounted on the testing machine body 1, the fixed clamp 2 is mounted on the top of the slide rod 9, the movable clamp 3 is slidably mounted on the slide rod 9, and the screw 10 is mounted on the testing machine body 1 by a motor. The movable clamp 3 is threadedly connected to the screw 10.

[0029] It also includes:

[0030] Take-up reel 4 is positioned on both sides of movable clamp 3;

[0031] The wire rope 7 is wound on the winding reel 4, and one end of the wire rope 7 is connected to the fixed clamp 2.

[0032] Oil storage tank 6 is installed at both ends of the moving clamp 3;

[0033] Piston rod 8 is slidably disposed in oil storage tank 6;

[0034] Oil drain ring 5 is fitted onto slide bar 9 and connected to oil storage tank 6.

[0035] A crossbar 41 is provided on the take-up reel 4, and brackets 42 are provided on both sides of the movable clamp 3. The take-up reel 4 is rotatably mounted on the brackets 42 via the crossbar 41. A spring 43 is provided between the take-up reel 4 and the brackets 42. The two ends of the spring 43 are connected to the take-up reel 4 and the brackets 42 respectively. By being provided with the spring 43, the spring 43 stores or releases energy during the movement of the movable clamp 3, thereby causing the take-up reel 4 to rotate.

[0036] The oil tank 6 is provided with a movable port 64, the piston rod 8 is slidingly arranged in the movable port 64, the oil tank 6 is provided with a gas port, the gas port is provided with an air inlet valve 61, the oil tank 6 is provided with an oil outlet pipe 63, the oil outlet pipe 63 penetrates the top wall of the oil tank 6, the oil outlet pipe 63 is provided with an oil outlet valve 62, the air inlet valve 61 and the oil outlet valve 62 are opposite direction one-way valves, when the piston rod 8 is pressed, the oil outlet pipe 63 discharges oil outward, when the piston rod 8 rises, the air inlet valve 61 admits air into the oil tank 6.

[0037] The piston rod 8 is provided with a piston plate, the piston rod 8 is slidingly arranged in the movable port 64 through the piston plate, the cross rod 41 is fixedly provided with a cam 82, the cam 82 is connected with the top end of the piston rod 8 through a connecting rod 81, through the cooperation of the cam 82 and the connecting rod 81, when the cam 82 rotates, the piston rod 8 makes reciprocating motion in the movable port 64.

[0038] The oil discharge ring 5 is arranged on the movable clamp 3, the oil discharge ring 5 is provided with an oil discharge port 51 on the surface close to the slide rod 9, the oil discharge ring 5 is connected with the oil outlet pipe 63 through a conduit 52, the oil discharge port 51 is annularly arranged on the surface of the slide rod 9, so that the application is more uniform, the oil discharge rings 5 on the same side are connected through the conduit 52.

[0039] When the metal material tensile fatigue testing machine works, first, the both ends of the metal material are clamped and fixed with the movable clamp 3 and the fixed clamp 2 respectively, then the motor drives the screw rod 10 to rotate, because the movable clamp 3 is threadedly connected with the screw rod 10 and slidingly arranged on the slide rod 9, the movable clamp 3 moves along the slide rod 9, so as to cooperate with the fixed clamp 2 to stretch the metal material, the movable clamp 3 is provided with the winding disc 4 on both sides, the winding disc 4 is rotatably arranged on the support 42 through the cross rod 41 and connected with the clock spring 43, the steel wire rope 7 is wound on the winding disc 4 and connected with the fixed clamp 2 at one end, in the process of moving of the movable clamp 3, the clock spring 43 stores or releases energy, so as to make the winding disc 4 rotate, the oil tank 6 is located at both ends of the movable clamp 3, the piston rod 8 is slidingly arranged in the movable port 64 of the oil tank 6 through the piston plate, the cam 82 on the cross rod 41 is connected with the top end of the piston rod 8 through the connecting rod 81, when the cross rod 41 rotates with the winding disc 4, the cam 82 can push the piston rod 8 to move, the oil tank 6 is provided with the gas port of the air inlet valve 61 and the oil outlet pipe 63 with the oil outlet valve 62, the oil liquid in the oil tank 6 can be controlled to enter or exit, the oil discharge ring 5 is sleeved on the slide rod 9 and connected with the oil tank 6, the oil discharge ring 5 is provided with the oil discharge port 51 on the surface close to the slide rod 9, the oil discharge ring 5 is connected with the oil outlet pipe 63 through the conduit 52 and also connected with the oil discharge ring 5 on the same side, so as to lubricate the slide rod 9 in the process of testing, to ensure the stable operation of the testing machine and the smooth performance of the tensile test.

[0040] The above-described embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but can not therefore be understood as the limitation of the utility model patent range. It should be pointed out that for ordinary skilled person in the art, without departing from the utility model concept, several deformations and improvements can be made, which belong to the protection range of the utility model.

Claims

1. A tensile fatigue testing machine for metallic materials, comprising a testing machine body (1), a fixed clamp (2), a movable clamp (3), a slide bar (9), and a screw (10), characterized in that: The slide bar (9) is set on the main body (1) of the testing machine, the fixed clamp (2) is set on the top of the slide bar (9), the movable clamp (3) is slidably set on the slide bar (9), the screw (10) is rotated on the main body (1) of the testing machine by a motor, and the movable clamp (3) is threadedly connected to the screw (10). It also includes: A winding reel (4) is provided on both sides of the movable clamp (3); A wire rope (7) is wound on a winding reel (4) and one end of the wire rope (7) is connected to a fixed clamp (2); An oil storage tank (6) is provided at both ends of a movable clamp (3); A piston rod (8) is slidably disposed in an oil storage tank (6); An oil drain ring (5) is fitted onto a slide rod (9) and connected to an oil storage tank (6).

2. The tensile fatigue testing machine for metallic materials according to claim 1, characterized in that: A crossbar (41) is provided on the winding reel (4), and brackets (42) are provided on both sides of the movable clamp (3). The winding reel (4) is rotatably mounted on the brackets (42) via the crossbar (41). A spring (43) is provided between the winding reel (4) and the brackets (42), and the two ends of the spring (43) are respectively connected to the winding reel (4) and the brackets (42).

3. The tensile fatigue testing machine for metallic materials according to claim 2, characterized in that: The oil storage tank (6) is provided with a movable port (64), and the piston rod (8) is slidably disposed in the movable port (64). The oil storage tank (6) is provided with an air port, and an air inlet valve (61) is provided in the air port. The oil storage tank (6) is provided with an oil outlet pipe (63), and the oil outlet pipe (63) penetrates the top wall of the oil storage tank (6). An oil outlet valve (62) is provided inside the oil outlet pipe (63).

4. The tensile fatigue testing machine for metallic materials according to claim 3, characterized in that: A piston plate is provided on the piston rod (8), and the piston rod (8) is slidably disposed in the movable opening (64) through the piston plate. A cam (82) is fixedly provided on the crossbar (41), and a connecting rod (81) is provided between the cam (82) and the top end of the piston rod (8).

5. A tensile fatigue testing machine for metallic materials according to claim 4, characterized in that: The oil drain ring (5) is set on the moving clamp (3), and the oil drain ring (5) has an oil drain port (51) on the surface close to the slide rod (9). A conduit (52) is provided between the oil drain ring (5) and the oil outlet pipe (63).

6. A tensile fatigue testing machine for metallic materials according to claim 5, characterized in that: The oil drain rings (5) on the same side are connected by a conduit (52).

Images