CN215114442U - Symmetry degree checking fixture for piston skirt of internal combustion engine - Google Patents

Abstract

The utility model belongs to the technical field of the piston, a utensil is examined to internal-combustion engine piston skirt portion symmetry is related to, including base, box and first transmission storehouse, box fixed connection is at the base upper surface, the first transmission storehouse has been seted up to the box inside, the first motor of first transmission storehouse inner wall fixedly connected with, the first screw thread post of output shaft fixedly connected with of first motor, first screw thread post right-hand member fixedly connected with second screw thread post. Its beneficial effect is, this utensil is examined to internal-combustion engine piston skirt portion symmetry, through the telescopic link, the cooperation of spring and fixed plate, when people need fix the piston, people only need open the door, place the piston in the assigned position simultaneously, at the telescopic link, under the cooperation of spring and fixed plate, can be fixed with the piston, then people can close the door, people pass through control switch control fan function simultaneously, made things convenient for people to fix the piston, prevent that the piston from appearing rocking in the testing process.

Description

Symmetry degree checking fixture for piston skirt of internal combustion engine

Technical Field

The utility model belongs to the technical field of the piston, concretely relates to utensil is examined to internal-combustion engine piston skirt section symmetry.

Background

The symmetry degree of the piston skirt part refers to the shape and position errors of a complex network curved surface of an excircle of the skirt part of a piston of an internal combustion engine, belongs to the key weight index of the piston of the internal combustion engine, is not well controlled, can cause that the engine burns engine oil and generates black smoke, increases noise, increases oil consumption and seriously exceeds the standard of emission.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides an utensil is examined to internal-combustion engine piston skirt symmetry, it is slow that it has solved detection speed, the technical problem of a large amount of detection frequency in the unable reply actual production.

In order to achieve the above object, the utility model provides a following technical scheme: a symmetry degree checking fixture for a piston skirt of an internal combustion engine comprises a base, a box body and a first transmission bin, wherein the box body is fixedly connected to the upper surface of the base, the first transmission bin is arranged in the box body, the inner wall of the first transmission bin is fixedly connected with a first motor, an output shaft of the first motor is fixedly connected with a first threaded column, the right end of the first threaded column is fixedly connected with a second threaded column, the thread directions of the first threaded column and the second threaded column are opposite, the right end of the second threaded column is fixedly connected with a rotating shaft, the inner wall of the first transmission bin is fixedly connected with a first bearing, the right end of the rotating shaft penetrates through the first bearing, the surface of the second threaded column is in threaded connection with two threaded caps, the two threaded caps are symmetrically arranged on the surfaces of the first threaded column and the second threaded column, the side surface of each threaded cap is fixedly connected with a first connecting block, and the surface of the first connecting block penetrates through a pin shaft, the side of the first connecting block is provided with a connecting rod, the first connecting block is movably connected with the connecting rod through a pin shaft, a movable groove is formed in the surface of the first transmission bin, and the connecting rod penetrates through the movable groove.

As a further aspect of the present invention: the improved anti-slip shoe cabinet is characterized in that a movable bin is arranged inside the box body, a sliding rod is fixedly connected to the inner wall of the movable bin, a sliding sleeve is sleeved on the surface of the sliding rod, a supporting plate is fixedly connected to the side face of the sliding sleeve, a second connecting block is fixedly connected to the upper surface of the supporting plate, a pin shaft is arranged on the surface of the second connecting block, the second connecting block is movably connected with the connecting rod through the pin shaft, a fixed block is fixedly connected to the lower surface of the supporting plate, a groove is formed in the surface of the fixed block, a telescopic rod is fixedly connected to the inner wall of the groove, a spring is sleeved on the surface of the telescopic rod, a fixed plate is fixedly connected to the upper end of the telescopic rod, and an anti-slip mat is fixedly connected to the surface of the fixed plate.

As a further aspect of the present invention: the utility model discloses a laser rangefinder, including box, support, first motor, second bearing, the output shaft of second motor, the second motor is worn to be equipped with on the surface of second transmission storehouse, the output shaft of second motor wears to establish in the second bearing, the output shaft fixedly connected with carousel of second motor, first annular spout has been seted up on the activity storehouse surface, first annular spout side is provided with the ball, second annular spout has been seted up to the carousel lower surface, the ball sets up in second annular spout side, fixed surface is connected with the bracing piece on the carousel, bracing piece side fixedly connected with places the board, place the board upper surface fixedly connected with laser rangefinder body.

As a further aspect of the present invention: the telescopic groove has been seted up to the lower surface of base, telescopic inslot portion fixedly connected with electric putter, electric putter's other end fixedly connected with wheel group, wheel group is total four, and is the rectangle and arranges at the base lower extreme, surface fixedly connected with base under the base, the base is total four to be the rectangle and arrange at surface under the base.

As a further aspect of the present invention: the energy storage bin is arranged inside the base, the storage battery is fixedly connected inside the energy storage bin, the control switch is fixedly connected to the front side of the base, the microprocessor is arranged inside the control switch, and the bin door is movably connected to the front side of the movable bin through the hinge.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this utensil is examined to internal-combustion engine piston skirt portion symmetry, through the telescopic link, the cooperation of spring and fixed plate, when people need fix the piston, people only need open the door, place the piston in the assigned position simultaneously, under the telescopic link, the cooperation of spring and fixed plate, can fix the piston, then people can close the door, people pass through control switch control fan function simultaneously, made things convenient for people to fix the piston, prevent that the piston from appearing rocking in the testing process.

2. This utensil is examined to internal-combustion engine piston skirt symmetry, through the second screw thread post, the screw cap, first connecting block, the cooperation of connecting rod and backup pad, when people need adjust the position of piston, people only need operate through the first motor of control switch control, drive first screw thread post and rotate, at the second screw thread post, the screw cap, first connecting block, under the cooperation of connecting rod and backup pad, can drive the fixed block removal that carries the piston, when the fixed block that carries the piston removes to the assigned position, people can stop the function through the first motor of control switch control, the position of people's adjustment piston has been made things convenient for.

3. The symmetry degree checking fixture for the piston skirt of the internal combustion engine is characterized in that through the matching of the second motor, the rotary disc and the laser range finder body, when people need to detect the piston skirt, people only need to control the laser range finder body to operate through the control switch to measure the distance between the laser range finder body at the current position and the piston skirt, then people control the second motor to operate through the control switch to drive the rotary disc to rotate so as to drive the laser range finder body to rotate, when the laser range finder body rotates by 90 degrees, people can control the second motor to stop operating through the control switch, simultaneously people measure the distance between the laser range finder body at the current position and the piston skirt again, the operations are repeated, whether the distance is in a qualified range is judged through the distances measured for multiple times, people can conveniently detect the piston skirt, and the detection speed is improved, providing utility of the device.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the present invention;

fig. 3 is a schematic structural view of the present invention;

in the figure: 1. a base; 2. a box body; 3. a first transmission bin; 4. a first motor; 5. a first threaded post; 6. a second threaded post; 7. a rotating shaft; 8. a first bearing; 9. a threaded cap; 10. a connecting rod; 11. a movable groove; 12. a movable bin; 13. a slide bar; 14. a sliding sleeve; 15. a support plate; 16. a second connecting block; 17. a groove; 18. a telescopic rod; 19. a spring; 20. a fixing plate; 21. a non-slip mat; 22. a second drive bin; 23. a support; 24. a second motor; 25. a second bearing; 26. a turntable; 27. a first annular chute; 28. a ball bearing; 29. a second annular chute; 30. a support bar; 31. placing the plate; 32. a laser rangefinder body; 33. a telescopic groove; 34. an electric push rod; 35. a wheel set; 36. a base; 37. an energy storage bin; 38. a storage battery; 39. a control switch; 40. a bin gate; 41. a first connection block; 42. and (5) fixing blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: a symmetry degree checking fixture for a piston skirt of an internal combustion engine comprises a base 1, a box body 2 and a first transmission bin 3, wherein the box body 2 is fixedly connected to the upper surface of the base 1, the first transmission bin 3 is arranged inside the box body 2, the inner wall of the first transmission bin 3 is fixedly connected with a first motor 4, an output shaft of the first motor 4 is fixedly connected with a first threaded column 5, the right end of the first threaded column 5 is fixedly connected with a second threaded column 6, the thread directions of the first threaded column 5 and the second threaded column 6 are opposite, the right end of the second threaded column 6 is fixedly connected with a rotating shaft 7, the inner wall of the first transmission bin 3 is fixedly connected with a first bearing 8, the right end of the rotating shaft 7 is arranged in the first bearing 8 in a penetrating manner, the surface of the second threaded column 6 is in threaded connection with two threaded caps 9, the threaded caps 9 are symmetrically arranged on the surfaces of the first threaded column 5 and the second threaded column 6, the side surface of the threaded cap 9 is fixedly connected with a first connecting block 41, the surface of the first connecting block 41 is provided with a pin shaft in a penetrating way, the side surface of the first connecting block 41 is provided with a connecting rod 10, the first connecting block 41 is movably connected with the connecting rod 10 through the pin shaft, through the matching of the second threaded column 6, the threaded cap 9, the first connecting block 41, the connecting rod 10 and the supporting plate 15, when people need to adjust the position of the piston, people only need to control the first motor 4 to operate through the control switch 39 to drive the first threaded column 5 to rotate, under the cooperation of the second threaded column 6, the threaded cap 9, the first connecting block 41, the connecting rod 10 and the support plate 15, the fixing block 42 carrying the piston is driven to move, when the fixed block 42 carrying the piston moves to a designated position, people can control the first motor 4 to stop operating through the control switch 39, so that people can adjust the position of the piston conveniently, the surface of the first transmission bin 3 is provided with the movable groove 11, and the connecting rod 10 penetrates through the movable groove 11.

Specifically, a movable bin 12 is arranged in a box body 2, a slide rod 13 is fixedly connected to the inner wall of the movable bin 12, a slide sleeve 14 is sleeved on the surface of the slide rod 13, a support plate 15 is fixedly connected to the side surface of the slide sleeve 14, a second connecting block 16 is fixedly connected to the upper surface of the support plate 15, a pin shaft is arranged on the surface of the second connecting block 16, the second connecting block 16 is movably connected with a connecting rod 10 through the pin shaft, a fixed block 42 is fixedly connected to the lower surface of the support plate 15, a groove 17 is formed in the surface of the fixed block 42, an expansion link 18 is fixedly connected to the inner wall of the groove 17, a spring 19 is sleeved on the surface of the expansion link 18, a fixed plate 20 is fixedly connected to the upper end of the expansion link 18, a non-slip mat 21 is fixedly connected to the surface of the fixed plate 20 through the cooperation of the expansion link 18, the spring 19 and the fixed plate 20, when a piston needs to be fixed, people only need to open a bin door 40, and place the piston at a designated position at the same time, under the cooperation of telescopic link 18, spring 19 and fixed plate 20, can be fixed with the piston, then people can close door 40, and people pass through control switch 39 control fan function simultaneously, have made things convenient for people to fix the piston, prevent that the piston from appearing rocking in the testing process.

Specifically, a second transmission bin 22 is arranged inside the box body 2, a support 23 is fixedly connected to the inner wall of the second transmission bin 22, a second motor 24 is fixedly connected inside the support 23, a second bearing 25 penetrates through the surface of the second transmission bin 22, an output shaft of the second motor 24 penetrates through the second bearing 25, a rotary table 26 is fixedly connected to the output shaft of the second motor 24, a first annular chute 27 is arranged on the surface of the movable bin 12, balls 28 are arranged on the side surface of the first annular chute 27, a second annular chute 29 is arranged on the lower surface of the rotary table 26, the balls 28 are arranged on the side surface of the second annular chute 29, a support rod 30 is fixedly connected to the upper surface of the rotary table 26, a placing plate 31 is fixedly connected to the side surface of the support rod 30, a laser range finder body 32 is fixedly connected to the upper surface of the placing plate 31, and when people need to detect the piston skirt portion through the cooperation of the second motor 24, the rotary table 26 and the laser range finder body 32, people only need control laser range finder body 32 through control switch 39 and function, measure the distance between current position laser range finder body 32 and the piston skirt portion, then people control second motor 24 function through control switch 39, it rotates to drive carousel 26, can drive laser range finder body 32 and rotate, when laser range finder body 32 rotates 90, people can control second motor 24 through control switch 39 and stop the function, people measure the distance between current position laser range finder body 32 and the piston skirt portion once more simultaneously, repeat the above-mentioned operation, judge whether it is in qualified scope through the distance that measures many times, made things convenient for people to detect the piston skirt portion, the detection speed is improved, the practicality of device is provided.

Specifically, flexible groove 33 has been seted up to base 1's lower surface, the inside fixedly connected with electric putter 34 in flexible groove 33, and electric putter 34's other end fixedly connected with wheel group 35, wheel group 35 is total four, and is the rectangle and arranges at base 1 lower extreme, base 1 lower fixed surface is connected with base 36, and base 36 is total four to be the rectangle and arrange at base 1 lower surface.

Specifically, the base 1 is internally provided with an energy storage bin 37, the energy storage bin 37 is internally and fixedly connected with a storage battery 38, the base 1 is positively and fixedly connected with a control switch 39, a microprocessor is arranged inside the control switch 39, and the movable bin 12 is positively and movably connected with a bin door 40 through a hinge.

The utility model discloses a theory of operation does:

s1, when in use, the device is moved to a designated position, then people control the electric push rod 34 to operate through the control switch 39, so as to drive the wheel set 35 to move, when the wheel set 35 is separated from the ground, and the base 36 is contacted with the ground, people only need to control the electric push rod 34 to stop operating through the control switch 39, so that the device is ensured to keep a stable state in the normal use process, then when people need to fix the piston, people only need to open the door 40, and simultaneously place the piston at the designated position, under the matching of the telescopic rod 18, the spring 19 and the fixing plate 20, the piston can be fixed, and then people can close the door 40;

s2, when people need to adjust the position of the piston, people only need to control the first motor 4 to operate through the control switch 39 to drive the first threaded column 5 to rotate, the fixing block 42 carrying the piston is driven to move under the matching of the second threaded column 6, the threaded cap 9, the first connecting block 41, the connecting rod 10 and the supporting plate 15, and when the fixing block 42 carrying the piston moves to a specified position, people can control the first motor 4 to stop operating through the control switch 39;

s3, finally, when people need to detect the piston skirt, people only need to control the laser range finder body 32 to operate through the control switch 39, measure the distance between the laser range finder body 32 at the current position and the piston skirt, then people control the second motor 24 to operate through the control switch 39, drive the turntable 26 to rotate, so as to drive the laser range finder body 32 to rotate, when the laser range finder body 32 rotates 90 degrees, people can control the second motor 24 to stop operating through the control switch 39, at the same time people measure the distance between the laser range finder body 32 at the current position and the piston skirt again, repeat the above operations, and judge whether the distance is in the qualified range through the distance measured for many times.

While embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that modifications, alterations, substitutions and variations may be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (5)

1. The utility model provides an utensil is examined to internal-combustion engine piston skirt symmetry, includes base (1), box (2) and first transmission bin (3), its characterized in that: the box body (2) is fixedly connected to the upper surface of the base (1), a first transmission bin (3) is arranged in the box body (2), a first motor (4) is fixedly connected to the inner wall of the first transmission bin (3), a first threaded column (5) is fixedly connected to an output shaft of the first motor (4), a second threaded column (6) is fixedly connected to the right end of the first threaded column (5), the thread directions of the first threaded column (5) and the second threaded column (6) are opposite, a rotating shaft (7) is fixedly connected to the right end of the second threaded column (6), a first bearing (8) is fixedly connected to the inner wall of the first transmission bin (3), the rotating shaft (7) penetrates through the first bearing (8), a threaded cap (9) is connected to the surface of the second threaded column (6) in a threaded manner, the two threaded caps (9) are arranged on the surfaces of the first threaded column (5) and the second threaded column (6) symmetrically, screw cap (9) side fixedly connected with first connecting block (41), round pin axle is worn to be equipped with on first connecting block (41) surface, first connecting block (41) side is provided with connecting rod (10), first connecting block (41) and connecting rod (10) are through round pin axle swing joint, movable groove (11) have been seted up on first transmission storehouse (3) surface, connecting rod (10) are worn to establish in movable groove (11).

2. The internal combustion engine skirt symmetry inspection device according to claim 1, wherein: a movable bin (12) is arranged in the box body (2), a sliding rod (13) is fixedly connected with the inner wall of the movable bin (12), the surface of the sliding rod (13) is sleeved with a sliding sleeve (14), the side surface of the sliding sleeve (14) is fixedly connected with a supporting plate (15), the upper surface of the supporting plate (15) is fixedly connected with a second connecting block (16), the surface of the second connecting block (16) is provided with a pin shaft, the second connecting block (16) is movably connected with the connecting rod (10) through a pin shaft, a fixed block (42) is fixedly connected with the lower surface of the supporting plate (15), a groove (17) is formed in the surface of the fixed block (42), the inner wall of the groove (17) is fixedly connected with a telescopic rod (18), the surface of the telescopic rod (18) is sleeved with a spring (19), the upper end of the telescopic rod (18) is fixedly connected with a fixing plate (20), and the surface of the fixing plate (20) is fixedly connected with an anti-skid pad (21).

3. The internal combustion engine piston skirt symmetry inspection device of claim 2, wherein: a second transmission bin (22) is arranged in the box body (2), a support (23) is fixedly connected to the inner wall of the second transmission bin (22), a second motor (24) is fixedly connected to the inner portion of the support (23), a second bearing (25) penetrates through the surface of the second transmission bin (22), an output shaft of the second motor (24) penetrates through the second bearing (25), a rotary table (26) is fixedly connected to the output shaft of the second motor (24), a first annular sliding groove (27) is formed in the surface of the movable bin (12), balls (28) are arranged on the side surface of the first annular sliding groove (27), a second annular sliding groove (29) is formed in the lower surface of the rotary table (26), the balls (28) are arranged on the side surface of the second annular sliding groove (29), a support rod (30) is fixedly connected to the upper surface of the rotary table (26), and a placing plate (31) is fixedly connected to the side surface of the support rod (30), the upper surface of the placing plate (31) is fixedly connected with a laser range finder body (32).

4. The internal combustion engine skirt symmetry inspection device according to claim 1, wherein: flexible groove (33) have been seted up to the lower surface of base (1), flexible groove (33) inside fixedly connected with electric putter (34), the other end fixedly connected with wheel group (35) of electric putter (34), wheel group (35) are total four, and are the rectangle and arrange at base (1) lower extreme, base (1) lower fixed surface is connected with base (36), base (36) are total four to be the rectangle and arrange at base (1) lower surface.

5. The internal combustion engine piston skirt symmetry inspection device of claim 2, wherein: energy storage storehouse (37) have been seted up to base (1) inside, the inside fixedly connected with battery (38) in energy storage storehouse (37), base (1) openly fixedly connected with control switch (39), control switch (39) inside is provided with microprocessor, activity storehouse (12) openly has door (40) through hinge swing joint.

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