Device for detecting internal cracks of connecting rod

Abstract

The utility model discloses a device for detecting internal cracks of a connecting rod, which comprises a detection cylinder, a detection head is assembled at the top end of the detection cylinder, a detection seat is mounted at the end part of the detection head, and driving grooves are formed in two ends of the outer wall of the detection cylinder; a guide mechanism is assembled in the driving groove and comprises sliding blocks installed at the two ends in the driving groove, and hinge rods are assembled at the top ends of the two sliding blocks. A balance plate is assembled at the top ends of the two hinge rods, a balance body is installed at the top end of the balance plate, a balance cavity is formed in the balance body, and rolling wheels are evenly assembled in the balance cavity from left to right; the device for detecting the internal cracks of the connecting rods is reasonable in structural design, the two guide mechanisms are arranged on the outer wall of the detection cylinder, rollers are arranged in balance bodies in the guide mechanisms and can be attached to the inner walls of the connecting rods to move, and different connecting rods can be conveniently adjusted through cooperation of hinge rods and sliding blocks; therefore, the connecting rod inner wall detection efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of detection device, concretely to a kind of for connecting rod internal crack detection device. BACKGROUND

[0002] Automobile connecting rod is both transmission component and moving part in engine, mainly withstands tensile, compression, bending and other high-frequency alternating load generated by combustion explosion force and reciprocating inertia force, when maintaining connecting rod, the crack in its interior needs to be detected;

[0003] However, the crack detection device in the prior art still has some deficiencies, such as, due to the characteristics of connecting rod, it is inconvenient to detect the interior of connecting rod with different diameters, which reduces the efficiency of internal detection of connecting rod, so the prior art needs to be improved. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of for connecting rod internal crack detection device to solve the problem that the efficiency of internal detection of connecting rod is reduced due to the characteristics of connecting rod, which is inconvenient to detect the interior of connecting rod with different diameters in the above background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of for connecting rod internal crack detection device, including detection cylinder, the top end of the detection cylinder is equipped with detection head, the end of the detection head is equipped with detection seat, the outer wall of the detection cylinder is equipped with driving groove at both ends;

[0006] The inside of the driving groove is equipped with a guide mechanism, the guide mechanism includes a slider mounted at both ends of the driving groove, the top end of the two sliders is equipped with a hinged rod;

[0007] The top end of the two hinged rods is equipped with a balance plate, the top end of the balance plate is equipped with a balance body, the inside of the balance body is equipped with a balance cavity, the inside of the balance cavity is uniformly equipped with a roller from left to right;

[0008] The outer wall of the detection seat is equipped with four cameras, and the included angle between every two connected cameras is ninety degrees.

[0009] As a preferred for connecting rod internal crack detection device of the utility model, the both ends of the hinged rod are equipped with a hinged seat, one side of the hinged seat is mounted at the bottom end of the balance plate, and the other side of the hinged seat is mounted on the slider.

[0010] As a preferred for connecting rod internal crack detection device of the utility model, a supporting spring is assembled between the two sliders.

[0011] As a kind of for connecting rod internal crack detection device preferred of the utility model, the top of the detection seat is equipped with cone head, the rear end of the detection cylinder is equipped with operating lever.

[0012] As a kind of for connecting rod internal crack detection device preferred of the utility model, the roller includes the wheel hub mounted in the balance cavity, the both ends of the wheel hub are equipped with tire mounting rack, the outside of the tire mounting rack is sleeved with tire, the center of the wheel hub is equipped with driving rod.

[0013] As a kind of for connecting rod internal crack detection device preferred of the utility model, the wheel hub and tire mounting rack are internally provided with the first screw hole relative to it, the first screw hole is screwed with the first bolt.

[0014] As a kind of for connecting rod internal crack detection device preferred of the utility model, the both ends of the inner wall of the wheel hub are provided with reserved slot, the reserved slot and tire mounting rack are internally provided with the second screw hole relative to it, the second screw hole is screwed with the second bolt.

[0015] Compared with the prior art, the utility model has the advantages that the setting of a kind of for connecting rod internal crack detection device is reasonable in structure design;

[0016] By setting two guide mechanisms on the outer wall of the detection cylinder, by setting the roller in the balance body in the guide mechanism can adhere to the inner wall of the connecting rod and move, and by the cooperation of the hinge rod and the sliding block, the connecting rod between different can be adjusted, so that the efficiency of the inner wall detection of the connecting rod is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the front view three-dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is the guide mechanism schematic diagram of the utility model;

[0019] Figure 3 It is the detection seat schematic diagram of the utility model;

[0020] Figure 4 It is the roller schematic diagram of the utility model.

[0021] In the drawing: 1, detection cylinder;2, operating lever;4, driving groove;5, guide mechanism;6, detection head;7, detection seat;8, camera;9, cone head;10, roller;11, balance cavity;12, sliding block;13, hinge seat;14, supporting spring;15, hinge rod;16, balance plate;17, balance body;18, tire mounting rack;19, wheel hub;20, tire;21, driving rod;22, reserved slot;23, second screw hole;24, second bolt;25, first screw hole;26, first bolt. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0023] Please refer to Figures 1-4 The present application provides a technical solution:

[0024] In the technical solution, the connecting rod internal crack detection device comprises a detection cylinder 1, a detection head 6 is assembled at the top end of the detection cylinder 1, a detection seat 7 is installed at the end of the detection head 6, and a driving groove 4 is formed at both ends of the outer wall of the detection cylinder 1; a guide mechanism 5 is assembled in the driving groove 4, the guide mechanism 5 comprises sliding blocks 12 installed at both ends of the driving groove 4, and hinged rods 15 are assembled at the top ends of the two sliding blocks 12; a balance plate 16 is assembled at the top ends of the two hinged rods 15, a balance body 17 is installed at the top end of the balance plate 16, a balance cavity 11 is formed in the balance body 17, and rollers 10 are uniformly assembled in the balance cavity 11 from left to right; four cameras 8 are assembled on the outer wall of the detection seat 7, and the included angle between every two adjacent cameras 8 is ninety degrees.

[0025] In the technical solution, the detection cylinder 1 and the detection head 6 can enter the inside of the connecting rod, the inner wall of the connecting rod can be cracked by the detection head 6 and the detection seat 7, the driving grooves 4 are arranged on the inner walls of the upper and lower sides of the detection cylinder 1, the guide mechanism 5 can be installed in the driving grooves 4, the rollers 10 in the balance body 17 in the guide mechanism 5 are attached to the inner wall of the connecting rod, so as to assist the detection head 6 to move on the inner wall of the connecting rod, and the inner wall of the connecting rod is conveniently assisted to be detected, and the four cameras 8 arranged on the detection seat 7 can observe the inner wall of the connecting rod to crack.

[0026] In some technical solutions, the two ends of the hinged rod 15 are both installed with a hinged seat 13, one side of the hinged seat 13 is installed at the bottom end of the balance plate 16, and the other side of the hinged seat 13 is installed on the sliding block 12.

[0027] In the technical solution, the sliding block 12 and the balance plate 16 are connected through the hinged rod 15, so that the height of the balance plate 16 can be adjusted by the relative or opposite movement of the two sliding blocks 12, so as to be used for connecting rods of different sizes.

[0028] In some technical solutions, a supporting spring 14 is assembled between the two sliding blocks 12.

[0029] In this technical solution, the support spring 14 can provide support force for the two sliding blocks 12.

[0030] In some technical solutions, the top end of the detection seat 7 is equipped with a tapered head 9, and the rear end of the detection cylinder 1 is equipped with an operating rod 2.

[0031] In this technical solution, the tapered head 9 facilitates the entry of the detection seat 7 into the inside of the connecting rod, and the operating rod 2 facilitates the operation of the detection cylinder 1.

[0032] In some technical solutions, the roller 10 includes a hub 19 installed inside the balance cavity 11, both ends of the outer part of the hub 19 are equipped with a tire mounting bracket 18, the outer part of the tire mounting bracket 18 is sleeved with a tire 20, and the center of the hub 19 is equipped with a driving rod 21; the hub 19 and the tire mounting bracket 18 are provided with a first screw hole 25 opposite to each other, and the first screw hole 25 is screwed with a first screw 26; a limiting screw 22 is installed on the inner wall of the sliding groove 10 through a fixing block 23; both ends of the inner wall of the hub 19 are provided with a reserved groove 22, and the reserved groove 22 and the tire mounting bracket 18 are provided with a second screw hole 23 opposite to each other, and the second screw hole 23 is screwed with a second screw 24.

[0033] In this technical solution, the hub 19 and the tire mounting bracket 18 are provided with a first screw hole 25 opposite to each other, and the first screw hole 25 is screwed with a first screw 26, the tire mounting bracket 18 is sleeved on the outer side of the hub 19, and the tire mounting bracket 8 and the hub 19 are tightly installed through the first screw 26, so that the tire mounting bracket 18 can be easily disassembled from the hub 19.

[0034] Both ends of the inner wall of the hub 19 are provided with a reserved groove 22, and the reserved groove 22 and the tire mounting bracket 18 are provided with a second screw hole 23 opposite to each other, and the second screw hole 23 is screwed with a second screw 24, the second screw hole 23 is screwed with the second screw 24, so that the installation between the hub mounting bracket 8 and the hub 19 is more tightly fastened.

[0035] The shapes of the tire mounting bracket 18 and the tire 19 are both semicircular annular, the tire 19 is fixedly bonded on the outer side of the tire mounting bracket 18 by glue, when the tire 19 needs to be replaced, because the tire 19 has been damaged, it is pried off from the tire mounting bracket 5 by means of a tool, the tire 19 is a polyurethane tire, the polyurethane tire has a wide range of use and good wear resistance and hardness, and the service life of the tire is improved.

[0036] Working principle:

[0037] In use, firstly, the balance body 17 is moved downward, the two sliders 12 in the two driving grooves 4 are relatively moved, the balance body 17 is moved to the direction of the detection cylinder 1, then the detection head 6 is placed in the inside of the connecting rod, then the balance body 17 is released, under the action of the supporting spring 14, the balance body 17 is moved upward, the roller 10 is contacted with the inner wall of the connecting rod, then the detection cylinder 1 is moved in the inside of the rail, the inner wall of the connecting rod can be detected.

[0038] Although the present application has been described with reference to the embodiments above, various improvements can be made and equivalent substitutions can be made to the components without departing from the scope of the present application. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in the present application can be combined in any manner, and the combinations are not exhaustively described in the present specification only for the consideration of saving space and resources. Therefore, the present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A device for detecting cracks inside a connecting rod, comprising a detection cylinder (1), characterized in that, The top end of the probe barrel (1) is equipped with a probe head (6), the end of the probe head (6) is provided with a probe seat (7), and the outer wall of the probe barrel (1) is provided with a driving groove (4) at both ends. The driving groove (4) is internally equipped with a guide mechanism (5), the guide mechanism (5) comprises sliding blocks (12) installed at both ends of the driving groove (4), and the top ends of the two sliding blocks (12) are equipped with hinged rods (15). The top ends of the two hinged rods (15) are equipped with balance plates (16), the top end of the balance plate (16) is provided with a balance body (17), the inside of the balance body (17) is provided with a balance cavity (11), and the inside of the balance cavity (11) is uniformly provided with rollers (10) from left to right. The outer wall of the probe seat (7) is equipped with four cameras (8), and the included angle between every two connected cameras (8) is ninety degrees.

2. The apparatus for internal crack detection of a connecting rod according to claim 1, wherein The two ends of the hinged rod (15) are provided with hinged seats (13), one side of the hinged seat (13) is installed at the bottom end of the balance plate (16), and the other side of the hinged seat (13) is installed on the sliding block (12).

3. The apparatus for internal crack detection of a connecting rod according to claim 2, wherein The two sliding blocks (12) are equipped with supporting springs (14).

4. The apparatus for internal crack detection of a connecting rod according to claim 1, wherein The top end of the probe seat (7) is equipped with a tapered head (9), and the rear end of the probe barrel (1) is equipped with an operating rod (2).

5. The apparatus for internal crack detection of a connecting rod according to claim 1, wherein The roller (10) comprises a hub (19) installed in the balance cavity (11), the outer two ends of the hub (19) are equipped with tire mounting frames (18), the outer part of the tire mounting frame (18) is sleeved with a tire (20), and the center of the hub (19) is equipped with a driving rod (21).

6. The apparatus for internal crack detection of a connecting rod according to claim 5, wherein The hub (19) and the tire mounting frame (18) are internally provided with a first screw hole (25) opposite to each other, and the first screw hole (25) is screwed with a first bolt (26).

7. The apparatus for internal crack detection of a connecting rod according to claim 5, wherein The inner wall of the hub (19) is provided with a reserved groove (22) at both ends, the reserved groove (22) and the tire mounting frame (18) are internally provided with a second screw hole (23) opposite to each other, and the second screw hole (23) is screwed with a second bolt (24).

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