Portable piston ring elastic force measuring device

Abstract

The utility model relates to the technical field of elastic force detection, and particularly discloses a portable piston ring elastic force measuring device which comprises a dynamometer used for measuring the elastic force value of a piston ring, a third positioning plate fixedly arranged at the bottom of the dynamometer, a limiting jackscrew rotatably arranged on one side of the third positioning plate, and a sliding plate slidably arranged at the bottom of the third positioning plate. The limiting jackscrew is rotatably connected with the sliding plate, the side, away from the limiting jackscrew, of the third positioning plate is fixedly connected with a second base, the side, away from the third positioning plate, of the second base is provided with a first base, the first base is fixedly connected with the sliding plate, and the second base is slidably connected with the sliding plate. A first positioning plate and a second positioning plate are fixedly arranged on the upper end faces of the first base and the second base respectively, a first positioning ring and a second positioning ring are fixedly arranged on the upper end faces of the first positioning plate and the second positioning plate respectively in a matched mode, and a piston ring can be arranged between the first positioning ring and the second positioning ring. The piston ring measuring tool can measure piston rings of various sizes at any time, materials are convenient to obtain, cost is low, and the application range is wide.

Description

Technical Field

[0001] The utility model relates to the technical field of elasticity detection, and specifically discloses a portable piston ring elasticity force measuring device. Background Art

[0002] Piston ring spring force refers to the radial force acting on the piston ring when its end clearance is minimized. Piston ring spring force is crucial for establishing engine backpressure and effectively ensures cylinder sealing. This force can change over time, so regular testing of piston ring spring force is essential to more accurately detect piston ring failure within the cylinder liner.

[0003] The existing method for testing piston ring elasticity involves placing the piston ring between a roller and a base, using a movable gauge block to ensure the end clearance of the piston ring reaches the specified value, and then using specialized measuring equipment to measure the piston ring radial force. However, specialized measuring equipment is relatively complex and is mostly used in laboratories and production facilities. On-site testing of piston ring radial force lacks a simple measurement tool. Utility Model Content

[0004] In view of the above deficiencies in the prior art, the present invention provides a portable piston ring elastic force measuring device, which simplifies the structure of the force measuring device and facilitates the measurement of the elastic force of piston rings of various sizes at any time.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] The portable piston ring elastic force measuring device includes a dynamometer for measuring the elastic force value of the piston ring, a positioning plate three is fixedly provided at the bottom of the dynamometer, a limiting top screw is rotatably provided on one side of the positioning plate three, a sliding plate is slidably provided at the bottom of the positioning plate three, the limiting top screw and the sliding plate are rotatably connected, the side of the positioning plate three away from the limiting top screw is fixedly connected to the base two, the side of the base two away from the positioning plate three is provided with the base one, the base one and the sliding plate are fixedly connected, the base two and the sliding plate are slidably connected, the upper end surfaces of the base one and the base two are respectively fixedly provided with the positioning plate one and the positioning plate two, the upper end surfaces of the positioning plate one and the positioning plate two are respectively fixedly provided with the positioning ring one and the positioning ring two, and the piston ring can be set between the positioning ring one and the positioning ring two.

[0007] in:

[0008] A limiting plate is fixedly arranged on the upper end surface of the sliding plate close to the limiting top screw. The limiting top screw passes through the limiting plate, and the limiting top screw and the limiting plate are rotatably connected.

[0009] A plurality of pulleys are fixedly provided at intervals on both sides of the lower end surfaces of the positioning plate three and the base two, and slide rails are fixedly provided on both sides of the sliding plate to match the pulleys, and the pulleys and the slide rails are slidably connected.

[0010] A positioning hole is provided at one end of the base 2 close to the positioning plate 3, and a probe is provided at one end of the dynamometer close to the base 2, and the positioning hole contacts the probe of the dynamometer.

[0011] A plurality of bolt holes are arranged at intervals on the base 1, the base 2, the positioning plate 1 and the positioning plate 2.

[0012] Bolts are passed through the plurality of bolt holes, the first base and the first positioning plate are fixedly connected by bolts, and the second base and the second positioning plate are fixedly connected by bolts.

[0013] The base 1 can contact the base 2, the positioning plate 1 and the positioning plate 2 are both semicircular as a whole, and the diameters of the positioning plate 1 and the positioning plate 2 are equal.

[0014] The positioning ring 1 and the positioning ring 2 are both arranged in an arc shape as a whole, and the outer diameter of the positioning ring 1 is equal to the diameter of the positioning plate 1, and the outer diameter of the positioning ring 2 is equal to the diameter of the positioning plate 2.

[0015] The length of the positioning ring 2 is smaller than that of the positioning ring 1. One end of the positioning ring 2 can contact the positioning ring 1, while the other end of the positioning ring 2 does not contact the positioning ring 1.

[0016] The lower parts of the positioning ring 1 and the positioning ring 2 are provided with positioning grooves for accommodating piston rings, and the piston rings can be arranged in the positioning grooves.

[0017] The beneficial effects of the utility model are:

[0018] The utility model can adjust the positions of the positioning plate 2 and the positioning ring 2 by arranging the base 2 and the sliding plate, and thus can measure the elastic force of piston rings of various sizes at any time, and the fixed connection between the sliding plate and the base 1 can limit the position of the positioning plate 2, thereby ensuring good fixation of the device and thus ensuring the detection efficiency and accuracy of the device; the utility model has a simple structure, is easy to carry, and is quick and easy to install; the utility model can measure piston rings of various sizes by adjusting the sizes of the positioning ring 1 and the positioning ring 2, and can be processed using existing cylinder liners and other similar materials, with convenient material acquisition, low cost, and a wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural diagram of the utility model;

[0020] Figure 2 It is a structural sectional view of the utility model.

[0021] In the figure: 1. Positioning ring 1; 2. Positioning plate 1; 3. Piston ring; 4. Positioning plate 2; 5. Positioning ring 2; 6. Dynamometer; 7. Positioning plate 3; 8. Base 1; 9. Limit screw; 10. Base 2; 11. Sliding plate; 12. Slide rail; 13. Pulley; 14. Limit plate; 15. Bolt hole; 16. Positioning hole. DETAILED DESCRIPTION

[0022] The present invention will be described and explained in detail below with reference to the accompanying drawings.

[0023] Example 1

[0024] like Figure 1 、 Figure 2 As shown, the portable piston ring elastic force measuring device includes a dynamometer 6 for measuring the elastic force value of the piston ring 3, a positioning plate 3 7 is fixedly provided at the bottom of the dynamometer 6, a limiting top screw 9 is rotatably provided on one side of the positioning plate 3 7, a sliding plate 11 is slidably provided at the bottom of the positioning plate 3 7, the limiting top screw 9 and the sliding plate 11 are rotatably connected, the side of the positioning plate 3 7 away from the limiting top screw 9 is fixedly connected to the base 2 10, the side of the base 2 10 away from the positioning plate 3 7 is provided with a base 1 8, the base 1 8 and the sliding plate 11 are fixedly connected, the base 2 10 and the sliding plate 11 are slidably connected, the upper end surfaces of the base 1 8 and the base 2 10 are respectively fixedly provided with a positioning plate 1 2 and a positioning plate 2 4, the upper end surfaces of the positioning plate 1 2 and the positioning plate 2 4 are respectively fixedly provided with a positioning ring 1 and a positioning ring 2 5, and the piston ring 3 can be set between the positioning ring 1 and the positioning ring 2 5.

[0025] The base 1 8 and the sliding plate 11 are fixedly connected, which can limit the device and ensure the stability of the device. The base 2 10 and the sliding plate 11 are slidably connected, which can enable the positioning plate 2 4 and the positioning ring 2 5 to move, thereby ensuring the detection efficiency and accuracy of the device; the limiting top screw 9 can control the movement of the positioning plate 3 7 to ensure the stability of the positioning plate 2 4 during force measurement; the positioning plate 1 2 and the positioning plate 2 4 are both semicircular as a whole, and the diameters of the positioning plate 1 2 and the positioning plate 2 4 are equal, which is convenient for fixing the piston ring 3 and facilitating measurement.

[0026] A limiting plate 14 is fixedly provided on the upper end surface of the sliding plate 11 close to the limiting top screw 9 . The limiting top screw 9 passes through the limiting plate 14 , and the limiting top screw 9 and the limiting plate 14 are rotatably connected.

[0027] A plurality of pulleys 13 are fixedly provided on both sides of the lower end surfaces of the positioning plate 3 7 and the base 2 10. Slide rails 12 are fixedly provided on both sides of the sliding plate 11 to cooperate with the pulleys 13. The pulleys 13 and the slide rails 12 are slidably connected. The sliding connection between the pulleys 13 and the slide rails 12 ensures that the positioning plate 3 7 and the base 2 10 can move linearly.

[0028] A positioning hole 16 is provided at one end of the second base 10 near the positioning plate 3 7. A probe of the dynamometer 6 is provided at one end near the second base 10. The positioning hole 16 contacts the probe of the dynamometer 6. The elastic force of the piston ring 3 can be directly measured through the contact between the positioning hole 16 and the probe of the dynamometer 6.

[0029] A plurality of bolt holes 15 are provided on the base 1 8 , the base 2 10 , the positioning plate 1 2 and the positioning plate 2 4 at intervals.

[0030] Bolts are passed through the bolt holes 15 , and the base 1 8 and the positioning plate 1 2 are fixedly connected by bolts, and the base 2 10 and the positioning plate 2 4 are fixedly connected by bolts.

[0031] The base 1 8 can contact the base 2 10 . The positioning plate 1 2 and the positioning plate 2 4 are both semicircular as a whole, and the diameters of the positioning plate 1 2 and the positioning plate 2 4 are equal.

[0032] The positioning ring 1 and the positioning ring 2 5 are both arranged in an arc shape as a whole, and the outer diameter of the positioning ring 1 is equal to the diameter of the positioning plate 1 2 , and the outer diameter of the positioning ring 2 5 is equal to the diameter of the positioning plate 2 4 .

[0033] The length of the second positioning ring 5 is smaller than that of the first positioning ring 1. One end of the second positioning ring 5 can contact the first positioning ring 1, while the other end of the second positioning ring 5 does not contact the first positioning ring 1.

[0034] Through the above arrangement, a gap is formed between the positioning ring 1 and the positioning ring 2 5 for measuring the end gap of the piston ring 3 .

[0035] The lower parts of the positioning ring 1 and the positioning ring 2 5 are provided with positioning grooves for accommodating the piston ring 3. The piston ring 3 can be set in the positioning grooves. By setting the positioning grooves, the piston ring 3 can be limited to ensure the stability of the piston ring 3 during force measurement.

[0036] Working principle and process:

[0037] 1 and 2.

Claims

1. A portable piston ring elastic force measuring device, comprising a dynamometer (6) for measuring the elastic force value of a piston ring (3), characterized in that: The dynamometer (6) is fixedly provided with a positioning plate three (7) at the bottom, a limiting top screw (9) is rotatably provided on one side of the positioning plate three (7), a sliding plate (11) is slidably provided on the bottom of the positioning plate three (7), the limiting top screw (9) and the sliding plate (11) are rotatably connected, the side of the positioning plate three (7) away from the limiting top screw (9) is fixedly connected with the base two (10), the side of the base two (10) away from the positioning plate three (7) is provided with a base one (8), the base one (8) and the sliding plate (11) are fixedly connected, the base two (10) and the sliding plate (11) are slidably connected, the upper end surfaces of the base one (8) and the base two (10) are respectively fixedly provided with a positioning plate one (2) and a positioning plate two (4), the upper end surfaces of the positioning plate one (2) and the positioning plate two (4) are respectively fixedly provided with a positioning ring one (1) and a positioning ring two (5), and the piston ring (3) can be arranged between the positioning ring one (1) and the positioning ring two (5).

2. The portable piston ring elastic force measuring device according to claim 1, characterized in that: A limiting plate (14) is fixedly provided on the upper end surface of the sliding plate (11) close to the limiting top screw (9), the limiting top screw (9) passes through the limiting plate (14), and the limiting top screw (9) and the limiting plate (14) are rotatably connected.

3. The portable piston ring elastic force measuring device according to claim 1, characterized in that: A plurality of pulleys (13) are fixedly provided at intervals on both sides of the lower end surfaces of the positioning plate three (7) and the base two (10), and slide rails (12) are fixedly provided on both sides of the sliding plate (11) in conjunction with the pulleys (13), and the pulleys (13) and the slide rails (12) are slidably connected.

4. The portable piston ring elastic force measuring device according to claim 1, characterized in that: A positioning hole (16) is provided at one end of the base 2 (10) close to the positioning plate 3 (7), and a probe is provided at one end of the dynamometer (6) close to the base 2 (10), and the positioning hole (16) contacts the probe of the dynamometer (6).

5. The portable piston ring elastic force measuring device according to claim 1, characterized in that: A plurality of bolt holes (15) are provided on the base 1 (8), the base 2 (10), the positioning plate 1 (2) and the positioning plate 2 (4) at intervals.

6. The portable piston ring elastic force measuring device according to claim 5, characterized in that: Bolts are inserted into the plurality of bolt holes (15), and the base 1 (8) and the positioning plate 1 (2) are fixedly connected by bolts, and the base 2 (10) and the positioning plate 2 (4) are fixedly connected by bolts.

7. The portable piston ring elastic force measuring device according to claim 1, characterized in that: The base 1 (8) can contact the base 2 (10), and the positioning plate 1 (2) and the positioning plate 2 (4) are both semicircular as a whole, and the diameters of the positioning plate 1 (2) and the positioning plate 2 (4) are equal.

8. The portable piston ring elastic force measuring device according to claim 7, characterized in that: The positioning ring 1 (1) and the positioning ring 2 (5) are both arranged in an arc shape as a whole, and the outer diameter of the positioning ring 1 (1) is equal to the diameter of the positioning plate 1 (2), and the outer diameter of the positioning ring 2 (5) is equal to the diameter of the positioning plate 2 (4).

9. The portable piston ring elastic force measuring device according to claim 8, characterized in that: The length of the second positioning ring (5) is smaller than that of the first positioning ring (1), one end of the second positioning ring (5) can contact the first positioning ring (1), and the other end of the second positioning ring (5) does not contact the first positioning ring (1).

10. The portable piston ring elastic force measuring device according to claim 1, characterized in that: Positioning grooves for accommodating the piston ring (3) are provided at the lower parts of the positioning ring 1 (1) and the positioning ring 2 (5), and the piston ring (3) can be arranged in the positioning grooves.

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