CN221860106U - A tensile tester for cast iron - Google Patents

Abstract

The utility model provides a tensile tester for cast iron. The tensile tester for cast iron comprises: a base, a fixed column is fixedly mounted on the base, a mounting plate is fixedly mounted on the fixed column, and a tensile gauge is arranged on the mounting plate; a rack, the rack is slidably mounted in the fixed column; a gear, the gear is rotatably mounted in the fixed column; a drive motor, the drive motor is fixedly mounted on the fixed column, and the output shaft of the drive motor is fixedly connected to the gear; two U-shaped frames, the two U-shaped frames are respectively arranged on the tensile gauge and the rack, and the two U-shaped frames are rotatably mounted with bidirectional screws, and the bidirectional screws are threadedly mounted with two clamping blocks, and the two clamping blocks are both fitted with the inner wall of the U-shaped frame. The tensile tester for cast iron provided by the utility model has the advantage of being able to automatically lubricate the clamp and reduce the influence of friction on the test results.

Description

A tensile tester for cast iron

Technical Field

The utility model relates to the technical field of tensile testing, in particular to a tensile testing instrument for cast iron.

Background Art

The tensile tester can perform stretching, compression, bending, peeling, puncture and other tests on the entire material, which completely changes the shortcomings of traditional material testing machines, such as bulky machines, complicated operations and single performance. Different tensile testers can be selected for testing according to different material needs.

In tensile testing, the fixture usually needs to be lubricated. During the test, a certain amount of friction will be generated between the fixture and the sample, which will affect the accuracy of the test results. However, existing tensile testers do not have such a function, which affects the test results.

Therefore, it is necessary to provide a new cast iron tensile tester to solve the above-mentioned technical problems.

Utility Model Content

In order to solve the technical problem that the existing tensile tester cannot lubricate the clamp, the utility model provides a tensile tester for cast iron.

The utility model provides a tensile tester for cast iron, comprising: a base, a fixed column fixedly mounted on the base, a mounting plate fixedly mounted on the fixed column, a tensile gauge being arranged on the mounting plate; a rack, the rack being slidably mounted in the fixed column; a gear, the gear being rotatably mounted in the fixed column; a drive motor, the drive motor being fixedly mounted on the fixed column, and an output shaft of the drive motor being fixedly connected to the gear; two U-shaped frames, the two U-shaped frames being respectively mounted on the tensile gauge and the rack, both of the two U-shaped frames being rotatably mounted with bidirectional screws, the bidirectional screws being threadedly mounted with two clamping blocks, both of the clamping blocks being fitted with the inner wall of the U-shaped frame; an adjusting mechanism, the adjusting mechanism being arranged on the mounting plate; and an oiling mechanism, the oiling mechanism being arranged on the adjusting mechanism for automatically oiling and lubricating the fixture.

Preferably, the adjustment mechanism includes a mounting frame, a skateboard, a fixed plate, a steering motor, an electric telescopic rod and a rotating motor, the mounting frame is fixedly mounted on the mounting plate, the skateboard is slidably mounted on the mounting frame, the fixed plate is rotatably mounted on the skateboard, the steering motor is fixedly mounted in the skateboard, the output shaft of the steering motor is fixedly connected to the fixed plate, the electric telescopic rod is rotatably mounted on the fixed plate, the rotating motor is fixedly mounted in the fixed plate, and the output shaft of the rotating motor is fixedly connected to the electric telescopic rod.

Preferably, the oiling mechanism includes a storage box, a pump, a liquid outlet pipe and an oil brush, the storage box is fixedly mounted on the output rod of the electric telescopic rod, the pump is fixedly mounted in the storage box, the liquid inlet end of the liquid outlet pipe is fixedly connected to the liquid outlet end of the pump, the oil brush is arranged on one side of the storage box, and the oil brush is in contact with the liquid outlet end of the liquid outlet pipe.

Preferably, a slide groove is provided on the rack, and a limit rod is fixedly installed on the inner wall of the fixed column, and the limit rod slides through the slide groove.

Preferably, two plug plates are fixedly mounted on the mounting frame, the two plug plates are respectively located on both sides of the slide plate, and fixing bolts are threadedly mounted on the two plug plates.

Preferably, a connecting rod fixedly connected to the U-shaped frame is fixedly mounted on one side of the rack, and a moving opening for the connecting rod to move is opened on one side of the fixed column.

Preferably, the dynamometer is provided with a hook connected to the U-shaped frame, and the mounting frame is provided with a sliding opening for the slide plate to slide.

Compared with the related art, the cast iron tensile tester provided by the utility model has the following beneficial effects:

The utility model provides a tensile tester for cast iron:

1. The gear pushes the rack down to pull the test piece. The measured data can be observed, compared and analyzed through the dynamometer. The distance between the two clamps can be adjusted by turning the bidirectional screw. Test pieces of different sizes can be clamped. The oiling mechanism can be adjusted by turning the motor and rotating the motor. All four clamps can be oiled.

2. Applying a proper amount of lubricating oil on the clamping block can effectively reduce the friction coefficient, reduce the impact of friction on the test results, and improve the accuracy of the test results. The limit rod can be used to guide and limit the rack to ensure that the rack is always meshed with the gear. The fixing bolt can be used to fix the slide to prevent the slide from deflecting.

3. The U-shaped frame can be connected to the rack through the connecting rod, and the moving port can ensure smooth movement. The test piece can be subjected to a tensile test. The slide plate can be pulled through the sliding port to adjust the position of the slide plate to avoid affecting the tensile test.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of a cross-sectional structure of a preferred embodiment of a tensile tester for cast iron provided by the utility model;

FIG2 is a rear view schematic diagram of the fixed column in the utility model;

FIG3 is an enlarged structural schematic diagram of part A shown in FIG1 ;

FIG. 4 is a schematic diagram of the enlarged structure of portion B shown in FIG. 1 .

Numbers in the figure: 1. Base; 2. Fixed column; 3. Mounting plate; 4. Tension gauge; 5. Rack; 6. Gear; 7. Drive motor; 8. U-shaped frame; 9. Bidirectional screw; 10. Clamp; 11. Mounting frame; 12. Slide plate; 13. Fixed plate; 14. Steering motor; 15. Electric telescopic rod; 16. Rotating motor; 17. Storage box; 18. Pump; 19. Liquid outlet pipe; 20. Oil brush; 21. Slide; 22. Limit rod; 23. Insert plate; 24. Fixing bolt.

DETAILED DESCRIPTION

The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

Please refer to Figures 1 to 4, wherein Figure 1 is a schematic diagram of the front view and cross-sectional structure of a preferred embodiment of the tensile tester for cast iron provided by the utility model; Figure 2 is a schematic diagram of the rear view structure of the fixed column in the utility model; Figure 3 is an enlarged structural diagram of part A shown in Figure 1; and Figure 4 is an enlarged structural diagram of part B shown in Figure 1.

The tensile tester for cast iron comprises: a base 1, on which a fixed column 2 is fixedly mounted, on which a mounting plate 3 is fixedly mounted, on which a tensile gauge 4 is arranged; a rack 5, on which the rack 5 is slidably mounted in the fixed column 2; a gear 6, on which the gear 6 is rotatably mounted in the fixed column 2; a drive motor 7, on which the drive motor 7 is fixedly mounted, and an output shaft of the drive motor 7 is fixedly connected to the gear 6; two U-shaped frames 8, on which the two U-shaped frames 8 are respectively arranged, and the two U-shaped A bidirectional screw rod 9 is rotatably mounted on the frame 8, and two clamping blocks 10 are threadedly mounted on the bidirectional screw rod 9, and the two clamping blocks 10 are both in contact with the inner wall of the U-shaped frame 8; an adjusting mechanism, which is arranged on the mounting plate 3; an oiling mechanism, which is arranged on the adjusting mechanism and is used to automatically lubricate the fixture with oil, and the gear 6 pushes the rack 5 downward to pull the test piece, and the measurement data can be observed, compared and analyzed through the dynamometer 4, and the distance between the two clamping blocks 10 can be adjusted by rotating the bidirectional screw rod 9, so that test pieces of different sizes can be clamped.

The adjusting mechanism comprises a mounting frame 11, a slide plate 12, a fixing plate 13, a steering motor 14, an electric telescopic rod 15 and a rotating motor 16. The mounting frame 11 is fixedly mounted on the mounting plate 3, the slide plate 12 is slidably mounted on the mounting frame 11, the fixing plate 13 is rotatably mounted on the slide plate 12, the steering motor 14 is fixedly mounted in the slide plate 12, the output shaft of the steering motor 14 is fixedly connected to the fixing plate 13, the electric telescopic rod 15 is rotatably mounted on the fixing plate 13, the rotating motor 16 is fixedly mounted in the fixing plate 13, the output shaft of the rotating motor 16 is fixedly connected to the electric telescopic rod 15, the oiling mechanism can be adjusted by the steering motor 14 and the rotating motor 16, and the four clamping blocks 10 can be oiled.

The oiling mechanism includes a storage box 17, a pump 18, a liquid outlet pipe 19 and an oil brush 20. The storage box 17 is fixedly mounted on the output rod of the electric telescopic rod 15. The pump 18 is fixedly mounted in the storage box 17. The liquid inlet end of the liquid outlet pipe 19 is fixedly connected to the liquid outlet end of the pump 18. The oil brush 20 is arranged on one side of the storage box 17. The oil brush 20 is in contact with the liquid outlet end of the liquid outlet pipe 19. By applying a proper amount of lubricating oil on the clamping block 10, the friction coefficient can be effectively reduced, the influence of friction on the test results can be reduced, and the accuracy of the test results can be improved.

A slide groove 21 is provided on the rack 5, and a limiting rod 22 is fixedly installed on the inner wall of the fixed column 2. The limiting rod 22 slides through the slide groove 21. The rack 5 can be guided and limited by the limiting rod 22 to ensure that the rack 5 is always engaged with the gear 6.

Two plug plates 23 are fixedly mounted on the mounting frame 11 , and the two plug plates 23 are respectively located on both sides of the skateboard 12 . Fixing bolts 24 are threadedly mounted on the two plug plates 23 , and the skateboard 12 can be fixed by the fixing bolts 24 to prevent the skateboard 12 from deflecting.

A connecting rod fixedly connected to the U-shaped frame 8 is fixedly installed on one side of the rack 5, and a moving opening for the connecting rod to move is opened on one side of the fixed column 2. The U-shaped frame 8 can be connected to the rack 5 through the connecting rod, and the moving opening can ensure smooth movement to perform tensile testing on the test piece.

The tensile gauge 4 is provided with a hook connected to the U-shaped frame 8, and the mounting frame 11 is provided with a sliding opening for the slide plate 12 to slide. The slide plate 12 can be pulled through the sliding opening to adjust the position of the slide plate 12 to avoid affecting the tensile test.

It is worth noting that the circuits, electronic components and modules involved in the present utility model are all prior art and can be fully implemented by those skilled in the art. Needless to say, the content protected by the present utility model does not involve improvements to software and methods.

The working principle of the cast iron tensile tester provided by the utility model is as follows:

This solution also has an electric control cabinet, which is installed on the equipment. When in use, each electrical device can be started and operated through the electric control cabinet. The power connection method of each electrical device is an existing mature technology, which is a well-known technology for people in this field and will not be described in detail here.

Before the tensile test, push the slide plate 12 so that the fixed plate 13 is located between the two U-shaped frames 8, so that the oil brush 20 contacts the upper clamping block 10, start the pump 18, pump the lubricating oil from the storage box 17, immerse the oil brush 20 in the lubricating oil, and then start the electric telescopic rod 15. The output rod of the electric telescopic rod 15 extends, driving the oil brush 20 to slowly move upward, and apply the lubricating oil to the clamping block 10. Then start the rotating motor 16 to drive the electric telescopic rod 15 to rotate and apply the lubricating oil to the other clamping block 10. When the upper clamping block 10 is lubricated, start the steering motor 14 to drive the fixed plate 13 to rotate. At this time, the oil brush 20 contacts the lower clamping block 10, and repeat the above steps.

During the test, the two ends of the test frame are placed between the two clamping blocks 10 respectively, and the bidirectional screw 9 is rotated to make the two clamping blocks 10 approach each other to clamp the test piece, and the drive motor 7 is started. The drive motor 7 drives the gear 6 to rotate, and the gear 6 drives the rack 5 to drive the lower clamping block 10 to move downward, and the test piece on the clamping block 10 is pulled to complete the tensile test.

Compared with the related art, the cast iron tensile tester provided by the utility model has the following beneficial effects:

The utility model provides a tensile tester for cast iron. The gear 6 pushes the rack 5 downward to pull the test piece. The measured data can be observed, compared and analyzed through the tensile meter 4. The distance between the two clamping blocks 10 can be adjusted by rotating the bidirectional screw 9, and the test pieces of different sizes can be clamped. The oiling mechanism can be adjusted by the steering motor 14 and the rotating motor 16. The four clamping blocks 10 can be oiled. By applying a proper amount of lubricating oil on the clamping blocks 10, the friction coefficient can be effectively reduced, the influence of friction on the test result can be reduced, and the accuracy of the test result can be improved. The rack 5 can be guided and limited by the limit rod 22 to ensure that the rack 5 is always meshed with the gear 6. The slide plate 12 can be fixed by the fixing bolt 24 to avoid the slide plate 12 from being offset. The U-shaped frame 8 can be connected to the rack 5 by the connecting rod. The moving port can ensure smooth movement. The test piece is subjected to a tensile test. The slide plate 12 can be pulled by the sliding port, so as to adjust the position of the slide plate 12 to avoid affecting the tensile test.

It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. However, on the premise that technical personnel in this field understand the principle of the above-mentioned utility model, they can clearly know the details of its power mechanism, power supply system and control system.

The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims (7)

1. A tensile tester for cast iron, comprising:

The base is fixedly provided with a fixed column, the fixed column is fixedly provided with a mounting plate, and the mounting plate is provided with a tension meter;

the rack is slidably arranged in the fixed column;

the gear is rotatably arranged in the fixed column;

The driving motor is fixedly arranged on the fixed column, and an output shaft of the driving motor is fixedly connected with the gear;

The two U-shaped frames are respectively arranged on the tension meter and the rack, two bidirectional screws are respectively and rotatably arranged on the two U-shaped frames, two clamping blocks are respectively and spirally arranged on the bidirectional screws, and the two clamping blocks are respectively attached to the inner wall of the U-shaped frames;

The adjusting mechanism is arranged on the mounting plate;

And the oiling mechanism is arranged on the adjusting mechanism and used for automatically oiling and lubricating the clamp.

2. The tensile tester for cast iron according to claim 1, wherein the adjusting mechanism comprises a mounting frame, a sliding plate, a fixing plate, a steering motor, an electric telescopic rod and a rotating motor, the mounting frame is fixedly mounted on the mounting plate, the sliding plate is slidably mounted on the mounting frame, the fixing plate is rotatably mounted on the sliding plate, the steering motor is fixedly mounted in the sliding plate, an output shaft of the steering motor is fixedly connected with the fixing plate, the electric telescopic rod is rotatably mounted on the fixing plate, the rotating motor is fixedly mounted in the fixing plate, and an output shaft of the rotating motor is fixedly connected with the electric telescopic rod.

3. The tensile tester for cast iron according to claim 2, wherein the oiling mechanism comprises a storage box, a pump, a liquid outlet pipe and an oil brush, the storage box is fixedly arranged on an output rod of the electric telescopic rod, the pump is fixedly arranged in the storage box, a liquid inlet end of the liquid outlet pipe is fixedly communicated with a liquid outlet end of the pump, the oil brush is arranged on one side of the storage box, and the oil brush is in contact with the liquid outlet end of the liquid outlet pipe.

4. The tensile tester for cast iron according to claim 1, wherein a sliding groove is formed in the rack, a limiting rod is fixedly installed on the inner wall of the fixing column, and the limiting rod penetrates through the sliding groove in a sliding mode.

5. The tensile tester for cast iron according to claim 2, wherein two insert plates are fixedly installed on the installation frame, the two insert plates are respectively located on two sides of the sliding plate, and fixing bolts are installed on the two insert plates in a threaded mode.

6. The tensile tester for cast iron according to claim 1, wherein a connecting rod fixedly connected with the U-shaped frame is fixedly installed on one side of the rack, and a moving port for moving the connecting rod is formed on one side of the fixed column.

7. The tensile tester for cast iron according to claim 2, wherein the tensile gauge is provided with a hook connected with the U-shaped frame, and the frame is provided with a sliding opening for sliding the sliding plate.