CN216206184U

CN216206184U - Engine connecting rod big end hole aperture check out test set

Info

Publication number: CN216206184U
Application number: CN202122299102.6U
Authority: CN
Inventors: 王平超; 李清叶; 高加祝
Original assignee: Shandong Fengji Machinery Co ltd
Current assignee: Shandong Fengji Machinery Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-04-05
Anticipated expiration: 2031-09-23

Abstract

The utility model discloses an engine connecting rod big end hole aperture detection device, which comprises an L-shaped support arranged at one end of a detection table, wherein an adjusting rod penetrates through the middle part of the upper end of the L-shaped support in a threaded manner, a bearing at the lower end of the adjusting rod is connected with a round disc box with a forward opening, an adjusting rotary disc matched with an inner cavity of the round disc box is rotatably connected inside the round disc box, the lower end of the adjusting rotary disc is fixedly connected with a connecting shaft which extends to the lower end of the round disc box in a sliding manner, the lower end of the connecting shaft is fixedly connected with a support plate, two ends of the support plate are connected with a moving plate in a sliding manner, the other end of the moving plate is fixedly connected with a detection plate, the upper end of the detection plate is connected with a distance measurement sensor, and the surface of the L-shaped support is provided with a display electrically connected with the distance measurement sensor; the detection of different directions of the aperture is realized, the stability of the device is strong, and the detection accuracy is high.

Description

Engine connecting rod big end hole aperture check out test set

Technical Field

The utility model relates to the field of detection of the aperture of a connecting rod big end hole, in particular to detection equipment for the aperture of an engine connecting rod big end hole.

Background

The engine connecting rod is a die forging and consists of a connecting rod small head, a connecting rod body and a connecting rod big head, wherein the connecting rod big head is separated, one half is a connecting rod cover, the other half is integrated with the connecting rod body, the connecting rod group bears the gas acting force transmitted by a piston pin and the action of the swinging of the gas acting force and the reciprocating inertia force of the piston group through a connecting rod bolt, and the magnitude and the direction of the forces are periodically changed, so that the connecting rod is subjected to the alternating load action of compression, tension and the like.

The detection of connecting rod includes the detection in connecting rod main aspects aperture, and connecting rod and crankshaft shaft hole complex bent axle hole precision requirement are higher, need the operator to carry out a lot of detections to a plurality of directions in main aspects aperture, but current check out test set simple structure, the handheld check out test set of operator generally detects, then rotates check out test set and detect other directions again, and the check out test set of this method is unstable, and the error appears easily, reduces the detection precision of connecting rod, for this reason, we provide an engine connecting rod main aspects aperture check out test set.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides a device for detecting the aperture of a big end hole of an engine connecting rod, which aims to solve the problems in the background art.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides an engine connecting rod big end hole aperture check out test set, is including setting up the L type support in examining test table one end, L type support upper end middle part screw thread runs through there is the regulation pole, it is connected with the forward circular dish case of opening to adjust pole lower extreme bearing, the inside rotation of circular dish incasement is connected with rather than the regulation carousel of inner chamber adaptation, it has the connecting axle that slides and extend to circular dish case lower extreme to adjust carousel lower extreme rigid coupling, connecting axle lower extreme rigid coupling has the backup pad, backup pad both ends sliding connection has the movable plate, movable plate other end rigid coupling has the pick-up plate, and is connected with distance measuring sensor on the pick-up plate, L type support surface is equipped with the display of being connected with distance measuring sensor electricity.

As a preferable technical scheme of the utility model, sliding cavities communicated with the left end and the right end are symmetrically formed in the supporting plate, one ends of the moving plates at the two ends extend into the sliding cavities, and springs are fixedly connected between the end sides of the moving plates and the end sides of the sliding cavities.

As a preferable technical scheme of the utility model, the upper ends of the supporting plates are symmetrically provided with limiting bolts, and the upper sides of the two moving plates close to one end of the supporting plates are provided with clamping grooves matched with the limiting bolts.

As a preferable technical scheme of the utility model, one side of the detection plate, which is far away from the support plate, is of an arc-shaped structure.

As a preferable technical scheme of the utility model, the other end of the upper side of the detection table is provided with a fixing piece.

As a preferable technical scheme of the utility model, side end limiting plates are fixedly connected to two sides of the lower end of the L-shaped support at the upper side of the detection platform, and a front end limiting plate is fixedly connected to one end, far away from the fixing piece, between the two side end limiting plates.

As a preferred technical scheme of the utility model, the upper end of the adjusting rod is fixedly connected with a knob, and the surface of the adjusting turntable at the opening of the circular disk box is fixedly connected with a rotating handle.

As a preferred technical solution of the present invention, a through groove coaxial with the circular plate box penetrates through the lower end of the circular plate box, and the connecting shaft extends to the lower end of the circular plate box through the through groove.

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

1. the adjusting rod is driven to rotate through the knob, the round disc box, the adjusting rotary disc, the supporting plate and the detecting plate are driven to move downwards at the same time, the detecting plate moves transversely through the cooperation of the spring and the moving plate, the distance measuring sensor detects the detection aperture through the moving distance of the detecting plate, then the detected numerical value is displayed through the display, the aperture is detected, then the adjusting rotary disc is driven to rotate inside the round disc box through the rotating handle, the supporting plate at the lower end is driven to rotate at the same time, the directions of the two detecting plates are changed, the detection of different directions of the aperture is further realized, the device stability is high, and the detection accuracy is high;

2. through the cooperation of spacing bolt gathering draw-in groove, fix the movable plate, when the backup pad removed the assigned position through adjusting the pole, with spacing bolt and draw-in groove separation, remove the fixed to the movable plate, then the movable plate outwards removes through the elasticity of spring, until pick-up plate and pore wall laminating, then detect through range finding sensor again, be convenient for be located the inspection hole with two pick-up plates, improve the detection rate of connecting rod.

Drawings

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

FIG. 2 is a schematic structural view of the circular plate box of the present invention;

FIG. 3 is a schematic view of a connection structure of a support plate and a moving plate according to the present invention;

FIG. 4 is a top view of the moving plate of the present invention;

wherein: 1. a detection table; 2. an L-shaped bracket; 3. adjusting a rod; 4. a knob; 5. a circular tray box; 501. a through groove; 6. adjusting the turntable; 7. turning a handle; 8. a connecting shaft; 9. a support plate; 901. a slide chamber; 10. moving the plate; 11. detecting a plate; 12. a side end limiting plate; 13. a front end limiting plate; 14. a fixing member; 15. a ranging sensor; 16. a spring; 17. a limit bolt; 18. a card slot; 19. a display.

Detailed Description

The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in figures 1-4, the utility model provides an aperture detection device for a large end hole of an engine connecting rod, which comprises an L-shaped support 2 arranged at one end of a detection table 1, wherein an adjusting rod 3 penetrates through the middle part of the upper end of the L-shaped support 2 in a threaded manner, the adjusting rod 3 is a screw rod, a knob 4 is fixedly connected at the upper end of the adjusting rod 3, a circular disk box 5 with a forward opening is connected at the lower end of the adjusting rod 3 in a bearing manner, an adjusting rotary disk 6 matched with the inner cavity of the circular disk box 5 is rotatably connected in the circular disk box 5, a rotary handle 7 is fixedly connected on the surface of the adjusting rotary disk 6 at the opening of the circular disk box 5, a connecting shaft 8 is fixedly connected at the lower end of the adjusting rotary disk 6, a through groove 501 coaxial with the lower end of the circular disk box 5 is penetrated at the lower end of the circular disk box 5, a supporting plate 9 is fixedly connected at the lower end of the connecting shaft 8, two ends of the supporting plate 9 are provided with 10, sliding cavities 901 communicated with the left end and the right end are symmetrically arranged in the supporting plate 9, one end of a movable plate 10 at two ends extends into the sliding cavity 901, a spring 16 is fixedly connected between the end side of the movable plate 10 and the end side of the sliding cavity 901, the other end of the movable plate 10 is fixedly connected with a detection plate 11, the upper end of the detection plate 11 is connected with a distance measuring sensor 15, a display 19 electrically connected with the distance measuring sensor 15 is arranged on the surface of the L-shaped support 2, and one side, far away from the support plate 9, of the detection plate 11 is of an arc-shaped structure;

the connecting rod to be detected is placed at the upper end of a detection table 1, the aperture of a large-end hole of the connecting rod is vertically aligned with the axial diameter of an adjusting turntable 6, then an operator rotates a knob 4, the knob 4 drives an adjusting rod 3 to rotate, meanwhile, a round disc box 5, the adjusting turntable 6, a supporting plate 9 and a detection plate 11 move downwards, the detection plate 11 moves transversely through the cooperation of a spring 16 and a moving plate 10, the outer walls of the detection plates 11 at two ends are attached to the hole wall, then a distance measuring sensor 15 passes through the moving distance of the detection plate 11, then a detected numerical value is displayed through a display 19, the observation of the operator is facilitated, the detection of the aperture is realized, then the adjusting turntable 6 is driven by a rotating handle 7 to rotate in the round disc box 5, meanwhile, the supporting plate 9 at the lower end is driven to rotate, the directions of the two detection plates 11 are changed, the detection of different apertures is further realized, and the stability of the device is strong, the detection accuracy is high.

As shown in fig. 3 and 4, in the embodiment, the upper end of the supporting plate 9 is symmetrically provided with the limiting bolts 17, and the upper sides of the two moving plates 10 near one end of the supporting plate 9 are provided with the clamping grooves 18 adapted to the limiting bolts 17;

one end of the moving plate 10 is contracted in the sliding cavity 901 through a spring 16, then the moving plate is fixed through the matching of the limit bolt 17 and the clamping groove 18, when the supporting plate 9 moves to a specified position through the adjusting rod 3, the limit bolt 17 is separated from the clamping groove 18, the fixing of the moving plate 10 is released, then the moving plate 10 moves outwards through the elasticity of the spring 16 until the detecting plates 11 are attached to the wall of the hole, then the detection is carried out through the distance measuring sensor 15, two detecting plates 11 are conveniently located in the detecting holes, and the detection speed of the connecting rod is improved.

As shown in fig. 1, the embodiment discloses that a fixing member 14 is arranged at the other end of the upper side of the detection table 1, and the fixing member 14 comprises a bracket, a clamping plate and an adjusting bolt;

through the setting of mounting 14, realize carrying out the centre gripping fixed to the middle part of connecting rod, improve the stability of connecting rod.

As shown in fig. 1, in the embodiment, side end limiting plates 12 are fixedly connected to both sides of the lower end of the L-shaped bracket 2 on the upper side of the detection table 1, and a front end limiting plate 13 is fixedly connected to one end of the two side end limiting plates 12, which is far away from the fixing piece 14, and the front end limiting plate 13 is of an arc structure;

the two side end limiting plates 12 and the front end limiting plate 13 are arranged at the end part of the connecting rod, so that the two outer sides and the end part of the connecting rod are limited, and the overall stability of the connecting rod is further improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an engine connecting rod big-end hole aperture check out test set, is detecting L type support (2) of platform (1) one end including setting up, its characterized in that: l type support (2) upper end middle part screw thread runs through and has adjusted pole (3), it is connected with round dish case (5) that the opening is forward to adjust pole (3) lower extreme bearing, round dish case (5) inside rotation is connected with rather than regulation carousel (6) of inner chamber adaptation, it has connecting axle (8) that slide to extend to round dish case (5) lower extreme to adjust carousel (6) lower extreme rigid coupling, connecting axle (8) lower extreme rigid coupling has backup pad (9), backup pad (9) both ends sliding connection has movable plate (10), movable plate (10) other end rigid coupling has pick-up plate (11), and is connected with ranging sensor (15) on pick-up plate (11), L type support (2) surface is equipped with display (19) of being connected with ranging sensor (15) electricity.

2. The engine connecting rod big-end hole diameter detection device according to claim 1, characterized in that: the inner part of the supporting plate (9) is symmetrically provided with sliding cavities (901) communicated with the left end and the right end, one ends of the moving plates (10) at the two ends extend into the sliding cavities (901), and springs (16) are fixedly connected between the end sides of the moving plates (10) and the end sides of the sliding cavities (901).

3. The engine connecting rod big-end hole diameter detection device according to claim 2, characterized in that: the upper end of the supporting plate (9) is symmetrically provided with a limiting bolt (17), and the moving plate (10) is provided with a clamping groove (18) matched with the limiting bolt (17) close to the upper side of one end of the supporting plate (9).

4. The engine connecting rod big-end hole diameter detection device according to claim 1, characterized in that: one side of the detection plate (11) far away from the support plate (9) is of an arc-shaped structure.

5. The engine connecting rod big-end hole diameter detection device according to claim 1, characterized in that: the other end of the upper side of the detection table (1) is provided with a fixing piece (14).

6. The engine connecting rod big-end hole diameter detection device according to claim 5, characterized in that: the side limiting plates (12) are fixedly connected to the two sides of the lower end, located on the L-shaped support (2), of the upper side of the detection table (1), and a front end limiting plate (13) is fixedly connected to one end, located away from the fixing piece (14), between the two side limiting plates (12).

7. The engine connecting rod big-end hole diameter detection device according to claim 1, characterized in that: the upper end of the adjusting rod (3) is fixedly connected with a knob (4), and the surface of an adjusting turntable (6) at the opening of the round disc box (5) is fixedly connected with a rotating handle (7).

8. The engine connecting rod big-end hole diameter detection device according to claim 1, characterized in that: the lower end of the circular plate box (5) penetrates through a through groove (501) coaxial with the circular plate box, and the connecting shaft (8) extends to the lower end of the circular plate box (5) through the through groove (501).