CN216926340U - A mechanical fatigue test device for engineering mechanics - Google Patents

Abstract

The utility model discloses a mechanical fatigue test device for engineering mechanics, which comprises a test bench, a No. 1 mounting plate is fixedly installed on the upper surface of the test bench near the edge of one side, and the upper surface of the test bench is fixedly installed near the edge of the other side There is a No. 2 mounting plate, a No. 1 clamping rod is movably installed inside the No. 1 mounting plate, a No. 2 clamping rod is movably installed on one side of the No. 2 mounting plate, and the outer surface of the No. 2 mounting plate is close to the upper edge. A motor is installed in a fixed position, and a threaded rod is embedded and movably installed on the outer surface of the No. 2 installation plate. The engineering mechanics mechanical fatigue test device of the utility model can prevent the test sample damaged by the test from splashing on both sides, ensure the safety of the test personnel on the side of the No. 1 mounting plate or the No. 2 mounting plate, and can also Make the equipment carry out different tests to meet the diverse needs of users and further improve the practicability of the equipment.

Description

A mechanical fatigue test device for engineering mechanics

technical field

The utility model relates to the field of test equipment, in particular to a mechanical fatigue test device of engineering mechanics.

Background technique

Fatigue test is an important step to detect the quality of engineering mechanics. The equipment in the prior art has certain drawbacks. For example, the application number: 202021322264.6; Including a workbench, a support column is welded on the left side of the top of the workbench, a chute is opened on the right side of the support column, a slider is slidably connected inside the chute, and the right side of the slider is welded with A first arc-shaped plate, the bottom of the right side of the first arc-shaped plate is welded with a first fixing plate; the utility model adopts a workbench, a support column, a chute, a slider, a first arc-shaped plate and a first fixing plate. , The setting of the second arc-shaped plate, threaded rod, pressure plate, second fixed plate, base, vertical plate, motor, cam and adjustment structure, so that the test device can fix the test piece and facilitate the test piece of different thickness. The advantage of conducting the test solves the problem that the existing test device is inconvenient to fix the test piece and cannot test the test piece of different thickness."; The above equipment can only perform a single bending test, resulting in poor practicability of the equipment. Can not meet different test needs.

Utility model content

The main purpose of the present utility model is to provide an engineering mechanics mechanical fatigue test device, which can effectively solve the problems in the background technology.

To achieve the above purpose, the technical scheme adopted by the present utility model is:

A mechanical fatigue test device for engineering mechanics, comprising a test bench, a No. 1 mounting plate is fixedly installed on the upper surface of the test bench near the edge of one side, and a No. 2 installation plate is fixedly installed on the upper surface of the test bench near the edge of the other side , a No. 1 clamping rod is movably installed inside the No. 1 installation plate, a No. 2 clamping rod is movably installed on one side of the No. 2 installation plate, and a motor is fixedly installed on the outer surface of the No. 2 installation plate near the upper edge. , a threaded rod is embedded in the outer surface of the No. 2 mounting plate, and a hydraulic rod is fixedly installed on the upper surface of the test bench near the No. 1 mounting plate, and one end of the No. 2 clamping rod and the No. 1 clamping rod is set There are connecting bars.

Preferably, support legs are fixedly installed on the lower surface of the test bench near the four corners, and the outer surface of the No. 1 mounting plate is provided with a chute near the center, and a slider is movably installed inside the chute. The clamping rod is fixedly connected with the sliding block, and a sliding rod is fixedly installed on the outer surface of the No. 1 mounting plate.

Preferably, the outer surfaces of the No. 1 clamping rod and the No. 2 clamping rod are provided with fixed disks, and the number of the fixed disks is two.

Preferably, a No. 1 transmission wheel is fixedly installed at the output end of the motor, a No. 2 transmission wheel is fixedly installed at one end of the threaded rod, and a connecting belt is nested on the outer surfaces of the No. 1 transmission wheel and the No. 2 transmission wheel.

Preferably, a rotating shaft is fixedly installed on the outer surface of the connecting bar, a No. 1 clamping claw is movably installed on the outer surface of the rotating shaft, a No. 2 clamping claw is movably installed on one side of the No. 1 clamping claw, and the outer surface of the fixing plate is threaded Installed with lock studs.

Preferably, a sliding sleeve is fixedly installed on the upper surface of the fixing plate at the position of the No. 2 clamping rod, a threaded sleeve is fixedly installed under the sliding sleeve, the sliding sleeve is slidably connected to the sliding rod, and the threaded sleeve is fixedly installed. threadedly connected with the threaded rod.

Compared with the prior art, the utility model has the following beneficial effects:

In the utility model, through the set No. 1 clamping rod, No. 2 clamping rod, and connecting bar, when the bending test is performed, the locking stud is rotated, so that one end of the locking stud is pushed by the thread to contact with each other. The No. 2 gripper and No. 1 gripper are separated. At this time, the No. 2 gripper and No. 1 gripper can be rotated around the rotating shaft, and the test sample that needs to be subjected to a bending test is placed between the No. 1 gripper and No. 2 gripper jaw. During this time, the test sample can be clamped by rotating the locking stud again. This structure can meet the clamping task of test samples with different thicknesses. The test sample is subjected to a bending test. When the tensile test is performed through the set threaded sleeve and threaded rod, the motor is started, the output end of the motor rotates, and the power is transmitted to the No. 2 transmission wheel through the connecting belt, so that the threaded rod rotates , Under the push of the thread, the threaded sleeve moves along the threaded rod, and the sliding sleeve slides along the sliding rod, which acts as a limit on the No. 2 clamping rod, preventing the No. 2 clamping rod and the threaded sleeve and the threaded rod. Synchronous rotation can further complete the tensile test, and the No. 1 mounting plate and the No. 2 mounting plate play a blocking role to prevent the test sample damaged by the test from splashing to both sides, ensuring that the No. 1 mounting plate or the No. 2 mounting plate is installed. The safety of the testers on the side of the board enables the equipment to carry out different tests to meet the diverse needs of users and further improve the practicability of the equipment.

Description of drawings

Fig. 1 is the overall structure schematic diagram of a kind of engineering mechanics mechanical fatigue test device of the present utility model;

Fig. 2 is another angle structure schematic diagram of a kind of engineering mechanics mechanical fatigue test device of the present utility model;

3 is a schematic diagram of the split structure of a connecting bar of a mechanical fatigue test device for engineering mechanics of the present invention;

Figure 4 is a schematic structural diagram of the No. 1 clamping rod of an engineering mechanics mechanical fatigue test device of the present invention.

In the figure: 1. Test stand; 101. Support leg; 2. No. 1 mounting plate; 201, No. 2 mounting plate; 202, Chute; 203, Slider; 204, Slide bar; 301, fixed plate; 4, No. 2 clamping rod; 5, motor; 501, No. 1 transmission wheel; 6, threaded rod; 601, No. 2 transmission wheel; 602, connecting belt; 7, hydraulic rod; 8, connecting strip ; 801, shaft; 802, No. 1 clamping jaw; 803, No. 2 clamping jaw; 804, locking stud; 805, threaded sleeve; 806, sliding sleeve.

Detailed ways

In order to make the technical means, creation features, achievement goals and effects of the present invention easy to understand and understand, the present invention will be further described below with reference to the specific embodiments.

Example 1

As shown in Figure 1-4, a mechanical fatigue test device for engineering mechanics includes a test bench 1, a No. 1 mounting plate 2 is fixedly installed on the upper surface of the test bench 1 near the edge of one side, and the upper surface of the test bench 1 is close to the edge of the other side The No. 2 mounting plate 201 is fixedly installed in the position, the No. 1 mounting plate 2 is movably installed inside the No. 1 clamping rod 3, the No. 2 mounting plate 201 is movably installed on one side with the No. 2 clamping rod 4, and the outer surface of the No. 2 mounting plate 201 is installed. A motor 5 is fixedly installed near the upper edge, a threaded rod 6 is embedded in the outer surface of the No. 2 mounting plate 201, and a hydraulic rod 7 is fixedly installed on the upper surface of the test bench 1 near the No. 1 mounting plate 2, and the No. 2 clamping rod 4 A connecting bar 8 is provided at one end of the No. 1 clamping rod 3; the supporting legs 101 are fixedly installed on the lower surface of the test bench 1 near the four corners; A sliding block 203 is movably installed inside, the No. 1 clamping rod 3 is fixedly connected with the sliding block 203, and a sliding rod 204 is fixedly installed on the outer surface of the No. 1 mounting plate 2; The surfaces are provided with fixed disks 301, and the number of the fixed disks 301 is two; the output end of the motor 5 is fixedly installed with a No. 1 transmission wheel 501, and one end of the threaded rod 6 is fixedly installed with a No. A connecting belt 602 is nested on the outer surface of the No. 2 transmission wheel 601. The motor 5 needs to be connected to the external power supply, and needs to be used with the motor forward and reverse circuit; The No. 1 clamping jaw 802 is movably installed, the No. 2 clamping jaw 803 is movably installed on one side of the No. 1 clamping jaw 802, and the locking stud 804 is threadedly installed on the outer surface of the fixing plate 301; the fixing plate located at the 4th position of the No. 2 clamping rod A sliding sleeve 806 is fixedly installed on the upper surface of 301, and a threaded sleeve 805 is fixedly installed under the sliding sleeve 806. The sliding sleeve 806 is slidably connected to the sliding rod 204, and the threaded sleeve 805 is threadedly connected to the threaded rod 6. During the bending test, rotate Tighten the stud 804 so that one end of the locking stud 804 is separated from the No. 2 jaw 803 and No. 1 jaw 802 under the push of the thread. At this time, the No. 2 jaw 803 and No. 1 jaw 802 can be rotated around the rotating shaft 801. Clamping jaw 802, place the test sample to be subjected to bending test between No. 1 clamping jaw 802 and No. 2 clamping jaw 803, and then rotate the locking stud 804 again to clamp the test sample. This structure can meet different requirements. For the clamping task of the test sample with the thickness, the No. 1 mounting plate 2 and the No. 2 mounting plate 201 play a blocking role to prevent the test sample damaged by the test from splashing to both sides, ensuring that the No. 1 mounting plate 2 or No. 2 is installed. Safety of test personnel on the side of plate 201.

Embodiment 2

As shown in Figure 1-4, during the bending test, the locking stud 804 is rotated so that one end of the locking stud 804 is separated from the No. 2 jaw 803 and No. 1 jaw 802 under the push of the thread. At this point, the No. 2 jaw 803 and No. 1 jaw 802 can be rotated around the rotating shaft 801, and the test sample to be subjected to the bending test is placed between the No. 1 jaw 802 and the No. 2 jaw 803, and then rotated and locked again. The test sample can be clamped by the stud 804. This structure can meet the clamping task of test samples with different thicknesses. At this time, the hydraulic rod 7 can be activated to make the slider 203 slide along the chute 202. When performing the bending test and the tensile test, start the motor 5, the output end of the motor 5 rotates, and the power is transmitted to the second transmission wheel 601 through the connecting belt 602, so that the threaded rod 6 rotates. , so that the threaded sleeve 805 moves along the threaded rod 6, and at the same time the sliding sleeve 806 slides along the sliding rod 204, which acts as a limit on the No. 2 clamping rod 4, preventing the No. The rod 6 is rotated synchronously, and the tensile test can be further completed, and the No. 1 mounting plate 2 and the No. 2 mounting plate 201 play a blocking role to prevent the test sample damaged by the test from splashing to both sides, ensuring that the No. 1 mounting plate 2 or the safety of the test personnel on the side of the No. 2 mounting plate 201.

The basic principles and main features of the present invention and the advantages of the present invention are shown and described above. It should be understood by those skilled in the art that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention The new model will also have various changes and improvements, which all fall within the scope of the claimed invention. The claimed scope of protection of the present utility model is defined by the appended claims and their equivalents, and all equivalent changes made according to the structure, shape and principle of the present utility model shall be covered within the scope of protection of the present utility model. .

Claims (6)

1. The utility model provides an engineering mechanics machinery fatigue test device which characterized in that: including test bench (1), test bench (1) upper surface is close to a side border position fixed mounting and has mounting panel (2) No. one, test bench (1) upper surface is close to opposite side border position fixed mounting and has mounting panel (201) No. two, mounting panel (2) inside movable mounting has supporting rod (3) No. one, No. two mounting panel (201) one side direction movable mounting has supporting rod (4) No. two, No. two mounting panel (201) surfaces are close to upper border position fixed mounting and have motor (5), No. two mounting panel (201) surface embedding movable mounting has threaded rod (6), test bench (1) upper surface is close to mounting panel (2) position fixed mounting and has hydraulic stem (7), No. two supporting rod (4) and supporting rod (3) one end all are provided with connecting strip (8).

2. The engineering mechanical fatigue test device of claim 1, wherein: test bench (1) lower surface is close to the equal fixed mounting in four corners position and has supporting leg (101), mounting panel (2) surface is close to central point and puts and has seted up spout (202), the inside movable mounting of spout (202) has slider (203), a supporting rod (3) with slider (203) fixed connection, mounting panel (2) surface fixed mounting has slide bar (204).

3. The fatigue test device for engineering mechanical equipment according to claim 2, wherein: the outer surface of a clamping rod (3) and a clamping rod (4) is provided with a fixed disk (301), and the number of the fixed disks (301) is two.

4. The engineering mechanical fatigue test device of claim 3, wherein: the output end of the motor (5) is fixedly provided with a first driving wheel (501), one end of the threaded rod (6) is fixedly provided with a second driving wheel (601), and the outer surfaces of the first driving wheel (501) and the second driving wheel (601) are nested with each other to form a connecting belt (602).

5. The fatigue test device for engineering mechanical machinery according to claim 4, wherein: connecting strip (8) surface fixed mounting has pivot (801), pivot (801) surface movable mounting has clamping jaw (802) No. one, clamping jaw (802) one side direction movable mounting has clamping jaw (803) No. two, fixed disk (301) surface threaded mounting has locking double-screw bolt (804).

6. The fatigue test device for engineering mechanical equipment according to claim 5, wherein: the fixed surface of the fixed disk (301) at the position of the second clamping rod (4) is fixedly provided with a sliding sleeve (806), a threaded sleeve (805) is fixedly arranged below the sliding sleeve (806), the sliding sleeve (806) is in sliding connection with the sliding rod (204), and the threaded sleeve (805) is in threaded connection with the threaded rod (6).

Images