CN213021396U

CN213021396U - Device for detecting symmetry degree of connecting rod rib

Info

Publication number: CN213021396U
Application number: CN202022081679.5U
Authority: CN
Inventors: 周维伟
Original assignee: Sunken Yinhe Auto Parts Yancheng Co Ltd
Current assignee: Sunken Yinhe Auto Parts Yancheng Co Ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-04-20
Anticipated expiration: 2030-09-22

Abstract

The utility model relates to a connecting rod symmetry detects technical field, and a device for detecting connecting rod muscle symmetry is disclosed, including placing the board, place two fixed splint that are equipped with the symmetry in top of board, two splint tops all rotate through first rotating bearing and are connected with first lead screw, the fixed plectane that is equipped with in pole wall top of first lead screw, the pole wall of first lead screw is provided with fixture, the top of splint and the pole wall outside that is located first lead screw are fixed and are equipped with the three fixed plate that the symmetry set up, the lateral wall of three fixed plate is the fixed telescopic link that is equipped with all, the bottom both ends of placing the board all are equipped with first U-shaped plate through the first bracing piece is fixed, the inside lateral shifting mechanism that is provided with of first U-shaped plate, the below of placing the board and the top that is located first U-shaped plate are provided with the second U-. The utility model discloses the pole muscle position that can the connecting rod carries out many times and abundant symmetry detects.

Description

Device for detecting symmetry degree of connecting rod rib

Technical Field

The utility model relates to a connecting rod symmetry detects technical field, especially relates to a device for detecting connecting rod muscle symmetry.

Background

The connecting rod group comprises a connecting rod body, a connecting rod big end cover, a connecting rod small end bushing, a connecting rod big end bearing bush, a connecting rod bolt and the like, is an important component in an automobile engine, and needs to detect the symmetry degree of the connecting rod in the manufacturing process of the connecting rod in order to avoid the phenomena of fracture and the like of the connecting rod during use.

The symmetry of current connecting rod generally detects its major part and lower head position when detecting, and is less to the detection at bar muscle position, and the detection device that has now mostly can only carry out the centre gripping to the connecting rod of a specification size simultaneously and detect, and the result of use is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art symmetry degree of connecting rod and detecting less to bar muscle position in detecting, can only carry out the problem of centre gripping to the connecting rod of a specification size when detecting simultaneously, and the device that is used for detecting connecting rod bar symmetry degree that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a device for detecting the symmetry degree of a connecting rod rib comprises a placing plate, wherein two symmetrical clamping plates are fixedly arranged at the top of the placing plate, the tops of the two clamping plates are both rotatably connected with a first screw rod through a first rotating bearing, a circular plate is fixedly arranged at the top of the rod wall of the first screw rod, a clamping mechanism is arranged on the rod wall of the first screw rod, three symmetrically arranged fixed plates are fixedly arranged at the top of the clamping plate and outside the rod wall of the first screw rod, telescopic rods are fixedly arranged on the side walls of the three fixed plates, the two ends of the bottom of the placing plate are both fixedly provided with a first U-shaped plate through a first supporting rod, a transverse moving mechanism is arranged in the first U-shaped plate, a second U-shaped plate is arranged below the placing plate and above the first U-shaped plate, and a movement detection mechanism is arranged inside the second U-shaped plate.

Preferably, fixture includes the clamp splice that three symmetry set up, and is three the clamp splice all is connected with the top contact of splint, and the opposite side fixed connection of lateral wall and telescopic link, the pole wall threaded connection of first lead screw has first slider, the fixed first U-shaped piece that is equipped with three symmetry setting of lateral wall of first slider, it is three the top of clamp splice all is fixed and is equipped with the second U-shaped piece, first U-shaped piece and second U-shaped piece all rotate jointly through the pivot and are connected with the connecting rod.

Preferably, the transverse moving mechanism comprises a second screw rod, two ends of a rod wall of the second screw rod are respectively rotated with two ends of the inner surface of the first U-shaped plate through a second rotating bearing, a second sliding block is in threaded connection with the rod wall of the second screw rod, and the top of the second sliding block is fixedly connected with the bottom of the second U-shaped plate through a second supporting rod.

Preferably, the mobile detection mechanism comprises a bidirectional screw rod, two ends of the bidirectional screw rod are rotatably connected with two ends of the inner surface of the second U-shaped plate through third rotating bearings, two ends of the rod wall of the bidirectional screw rod are respectively in threaded connection with third sliding blocks, and the top of each third sliding block is fixedly provided with a dial indicator.

Preferably, the right end of the rod wall of the second screw rod penetrates through the first U-shaped plate and is fixedly provided with the first rotating block.

Preferably, the rear end of the rod wall of the bidirectional screw rod penetrates through the second U-shaped plate and is fixedly provided with a second rotating block.

Compared with the prior art, the utility model provides a device for detecting connecting rod muscle symmetry possesses following beneficial effect:

1. this a device for detecting connecting rod muscle symmetry through what be equipped with place board and splint and fixture, can carry out the centre gripping to the connecting rod of different specifications size and carry out the detection of rod muscle symmetry.

2. This a device for detecting connecting rod muscle symmetry through the removal detection mechanism and the percentage table that are equipped with, carries out quick detection to the symmetry of connecting rod through the numerical difference that two percentage tables show.

3. This a device for detecting connecting rod muscle symmetry through the lateral shifting mechanism who is equipped with, can detect a plurality of positions on the rod muscle, has improved the validity that the symmetry detected.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses simple structure, the pole muscle position that can the connecting rod carries out many times and abundant symmetry detects, can examine the stable centre gripping of time measuring to the connecting rod of multiple specification size simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of a device for detecting symmetry of a connecting rod rib according to the present invention;

FIG. 2 is a schematic top view of the structure of FIG. 1;

fig. 3 is an enlarged view of a portion a of fig. 1.

In the figure: the device comprises a placing plate 1, a clamping plate 2, a first screw rod 3, a circular plate 4, a fixing plate 5, a telescopic rod 6, a first supporting rod 7, a first U-shaped plate 8, a second U-shaped plate 9, a clamping block 10, a first slider 11, a first U-shaped block 12, a second U-shaped block 13, a connecting rod 14, a second screw rod 15, a second slider 16, a second supporting rod 17, a bidirectional screw rod 18, a third slider 19, a dial indicator 20, a first rotating block 21 and a second rotating block 22.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a device for detecting the symmetry of a connecting rod bar, comprising a placing plate 1, two symmetrical clamping plates 2 fixed on the top of the placing plate 1, the placing plate 1 and the clamping plates 2 arranged for placing before detecting the connecting rod, a first screw rod 3 rotatably connected on the top of each of the two clamping plates 2 through a first rotating bearing, a circular plate 4 fixed on the top of the rod wall of the first screw rod 3, a clamping mechanism arranged on the rod wall of the first screw rod 3, three symmetrically arranged fixing plates 5 fixed on the top of the clamping plate 2 and positioned on the outer side of the rod wall of the first screw rod 3, telescopic rods 6 fixed on the side walls of the three fixing plates 5, a first U-shaped plate 8 fixed on both ends of the bottom of the placing plate 1 through a first supporting rod 7, the placing plate 1 connected with the first U-shaped plate 8 through the first supporting rod 7, a transverse moving mechanism arranged inside the first U-shaped plate 8, a second U-shaped plate 9 is arranged below the placing plate 1 and above the first U-shaped plate 8, and a movement detection mechanism is arranged inside the second U-shaped plate 9.

Fixture includes the fixture 10 that three symmetry set up, three fixture 10 all is connected with the top contact of splint 2, and the opposite side fixed connection of lateral wall and telescopic link 6, the pole wall threaded connection of first lead screw 3 has first slider 11, the fixed first U-shaped piece 12 that is equipped with three symmetry setting of lateral wall of first slider 11, the top of three fixture 10 is all fixed and is equipped with second U-shaped piece 13, first U-shaped piece 12 and second U-shaped piece 13 all rotate jointly through the pivot and are connected with connecting rod 14, it is spacing to carry out through three connecting rod 14 to the removal of first slider 11.

The transverse moving mechanism comprises a second screw rod 15, the two ends of the rod wall of the second screw rod 15 are both rotated with the two ends of the inner surface of the first U-shaped plate 8 through second rotating bearings, a second sliding block 16 is connected to the rod wall of the second screw rod 15 through threads, the top of the second sliding block 16 is fixedly connected with the bottom of the second U-shaped plate 9 through a second supporting rod 17, the second sliding block 16 is in contact with the inner surface of the first U-shaped plate 8, and the movement of the second sliding block 16 is limited.

The mobile detection mechanism comprises a bidirectional screw rod 18, two ends of the bidirectional screw rod 18 are rotatably connected with two ends of the inner surface of a second U-shaped plate 9 through third rotating bearings, third sliding blocks 19 are connected to two ends of the rod wall of the bidirectional screw rod 18 in a threaded mode, the third sliding blocks 19 are in contact with the bottom of the inner surface of the second U-shaped plate 9, the third sliding blocks 19 move in a limiting mode, dial indicators 20 are fixedly arranged at the tops of the two third sliding blocks 19, the right end of the rod wall of the second screw rod 15 penetrates through a first U-shaped plate 8 and is fixedly provided with a first rotating block 21, the first rotating block 21 is arranged to facilitate rotation of the second screw rod 15, the rear end of the rod wall of the bidirectional screw rod 18 penetrates through a second U-shaped plate 9 and is fixedly provided with a second rotating block 22, and the second rotating block 22 is arranged to facilitate rotation.

In the utility model, when detecting the symmetry degree of the rod rib of the connecting rod, the big end and the small end of the connecting rod are respectively placed on the two clamping plates 2, then the two circular plates 4 are simultaneously rotated to enable the first lead screw 3 to rotate, the first slide block 11 moves downwards while the first lead screw 3 rotates, the three clamping blocks 10 are pushed outwards by the pushing of the first U-shaped block 12, the second U-shaped block 13 and the connecting rod 14 in the process that the first slide block 11 moves downwards, so that the clamping blocks 10 are contacted with the inner side walls of the big end and the small end of the connecting rod, the connecting rod can be stably clamped, then the second rotating block 22 is rotated to enable the two-way lead screw 18 to rotate, the two third slide blocks 19 drive the dial indicator 20 to be close to the connecting rod while the two-way lead screw 18 rotates, so that the contact of the dial indicator 20 is contacted with the rod rib part of the connecting rod, the difference value is calculated by comparing the, and then, reversely rotating the second rotating block 22 to separate the dial indicator 20 from the connecting rod, then rotating the first rotating block 21 to rotate the second screw rod 15, so that the second slider 16 drives the second U-shaped plate 9 and the dial indicator 20 to transversely move, then rotating the first rotating block 21 again to enable the dial indicator 20 to be in contact with the connecting rod and detect, and finally, repeating the actions to detect the symmetry degrees of a plurality of positions of the connecting rod rib.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The device for detecting the symmetry degree of the connecting rod rib comprises a placing plate (1) and is characterized in that two symmetrical clamping plates (2) are fixedly arranged at the top of the placing plate (1), the tops of the two clamping plates (2) are rotatably connected with a first lead screw (3) through a first rotating bearing, a circular plate (4) is fixedly arranged at the top of the rod wall of the first lead screw (3), a clamping mechanism is arranged on the rod wall of the first lead screw (3), three symmetrically-arranged fixing plates (5) are fixedly arranged at the top of the clamping plates (2) and outside the rod wall of the first lead screw (3), telescopic rods (6) are fixedly arranged on the side walls of the three fixing plates (5), first U-shaped plates (8) are fixedly arranged at the two ends of the bottom of the placing plate (1) through first supporting rods (7), and a transverse moving mechanism is arranged in the first U-shaped plates (8), a second U-shaped plate (9) is arranged below the placing plate (1) and above the first U-shaped plate (8), and a movement detection mechanism is arranged inside the second U-shaped plate (9).

2. The device for detecting the symmetry degree of the connecting rod rib of claim 1, wherein the clamping mechanism comprises three symmetrically arranged clamping blocks (10), the three clamping blocks (10) are in contact connection with the top of the clamping plate (2), the side walls of the clamping blocks are fixedly connected with the other side of the telescopic rod (6), a first sliding block (11) is in threaded connection with the rod wall of the first lead screw (3), three symmetrically arranged first U-shaped blocks (12) are fixedly arranged on the side wall of the first sliding block (11), a second U-shaped block (13) is fixedly arranged on the top of the three clamping blocks (10), and the first U-shaped block (12) and the second U-shaped block (13) are both connected with a connecting rod (14) through a shaft pin in a co-rotating manner.

3. The device for detecting the symmetry of the connecting rod rib of claim 1, wherein the transverse moving mechanism comprises a second lead screw (15), two ends of a rod wall of the second lead screw (15) are respectively rotated with two ends of the inner surface of the first U-shaped plate (8) through a second rotating bearing, a second sliding block (16) is connected to the rod wall of the second lead screw (15) in a threaded manner, and the top of the second sliding block (16) is fixedly connected with the bottom of the second U-shaped plate (9) through a second supporting rod (17).

4. The device for detecting the symmetry of the connecting rod rib of the connecting rod according to claim 1, wherein the movement detection mechanism comprises a bidirectional screw rod (18), two ends of the bidirectional screw rod (18) are rotatably connected with two ends of the inner surface of the second U-shaped plate (9) through third rotating bearings, two ends of the rod wall of the bidirectional screw rod (18) are respectively in threaded connection with a third sliding block (19), and the top parts of the two third sliding blocks (19) are respectively and fixedly provided with a dial indicator (20).

5. The device for detecting the symmetry of a connecting rod bar according to claim 3, wherein the right end of the rod wall of the second lead screw (15) passes through the first U-shaped plate (8) and is fixedly provided with the first rotating block (21).

6. The device for detecting the symmetry of a connecting rod bar according to claim 4, characterized in that the rear end of the rod wall of the bidirectional screw rod (18) passes through the second U-shaped plate (9) and is fixedly provided with a second rotating block (22).