CN218157366U - Fatigue-resistant bolt thread fatigue testing device for gasoline engine connecting rod - Google Patents

Abstract

The utility model discloses a gasoline engine is antifatigue bolt screw thread fatigue test device for connecting rod, include the frame and locate the screw thread testing arrangement of frame upper end, the utility model discloses a set up spanner switching dish to with the spanner switching dish on set up the spanner of a plurality of different models, the bolt that can be applicable to various different models detects the use, is suitable for the model extensively, need not manual change spanner, it is more convenient, high-efficient to detect.

Description

Fatigue-resistant bolt thread fatigue testing device for gasoline engine connecting rod

[ technical field ] A

The utility model relates to a technical field of bolt test, especially gasoline engine is anti-fatigue bolt screw thread fatigue test device for connecting rod's technical field.

[ background of the invention ]

The threaded connection is a fixed connection with simple structure, reliable connection and convenient assembly and disassembly, and is widely applied to each part of the automobile. Because the performance requirements of bolt connection application at different parts on threads are different, in order to compress the cost as much as possible on the premise of meeting the use requirements, high-strength bolts are used at key parts with large bearing load, low-strength bolts are used at secondary parts with small bearing load, and the threads are graded according to the strength by international standards. The ultimate tensile properties of threads with different strength grades are different, and in order to judge whether the threads meet the specified mechanical performance requirements, the thread strength and the fatigue resistance of the threads after repeated use need to be tested. At present, the manual testing of workers is mostly carried out, the testing efficiency is low, the labor intensity is high, the work is complicated, and different wrenches need to be switched to use ceaselessly according to different bolt models.

[ Utility model ] content

The utility model aims at solving the problem among the prior art, providing a gasoline engine is anti-fatigue bolt screw thread fatigue test device for connecting rod, can improve bolt screw thread fatigue test efficiency and quality.

In order to realize the above-mentioned purpose, the utility model provides an antifatigue bolt screw thread fatigue test device for gasoline engine connecting rod, include the frame and locate the screw thread testing device of frame upper end, screw thread testing device includes vertical locating the perpendicular frame of frame upper end, be equipped with lifting support on perpendicular frame and be used for the drive lifting support follows the elevating system who erects the frame oscilaltion, the lifting support downside is equipped with the detection device support that is "7" style of calligraphy, the lifting support upper end is equipped with and is used for the drive the rotatory first rotating electrical machines of detection device support, detection device support downside is equipped with and is discoid spanner switching dish, the pivot axis of first rotating electrical machines with the coaxial setting of diameter line of spanner switching dish, be equipped with on the detection device support and be used for the drive the spanner switches the rotatory second rotating electrical machines of its axis of coiling, switching dish outer lane is equipped with a plurality of unidimensional spanners, the spanner is located annular array spanner switching dish outer lane, the spanner axis with same cross-section is located to the pivot axis of first rotating electrical machines, be close to tool in the frame switching dish downside be equipped with spanner complex screw.

Preferably, a torque instrument is arranged between the wrench and the wrench switching disc.

Preferably, the screw hole jig is provided with a plurality of screw holes which are different in diameter and are arranged in a straight line, and a jig transverse moving mechanism for driving the screw hole jig to transversely move to switch different screw holes to the lower side of the wrench switching plate is arranged on the lower side of the screw hole jig.

Preferably, the jig traversing mechanism comprises a traversing electric cylinder and a plurality of traversing guide rails.

Preferably, the wrench switching plate is provided with a screw clamping device matched with the wrench.

Preferably, the screw clamping device comprises a clamping disc arranged on one side of the wrench switching disc and a plurality of clamping driving cylinders used for driving the clamping disc to move transversely in a reciprocating manner in a direction away from or close to the wrench switching disc, and a plurality of clamping plates arranged towards the wrench end are arranged on the clamping disc.

Preferably, the lifting mechanism comprises a lifting electric cylinder and a plurality of lifting guide rails.

The utility model relates to a gasoline engine is anti-fatigue bolt screw thread fatigue test device for connecting rod's beneficial effect: the utility model discloses a set up spanner switching dish to with the spanner switching dish on set up the spanner of a plurality of different models, the bolt that can be applicable to various different models detects the use, and suitable for the model is wide, need not manual change spanner, and it is more convenient, high-efficient to detect.

The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.

[ description of the drawings ]

Fig. 1 is the structure schematic diagram of the utility model relates to a gasoline engine is anti-fatigue bolt screw thread fatigue test device for connecting rod owner looks at.

Fig. 2 is the utility model relates to a gasoline engine is anti-fatigue bolt screw thread fatigue test device for connecting rod looks sideways at the schematic structure diagram.

Fig. 3 is an enlarged structural schematic diagram of the thread testing device in fig. 1.

Fig. 4 is a schematic top view of a screw hole jig.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail through the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is for purposes of illustration only and is not intended to limit the scope of the present disclosure. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for the convenience of describing the present invention and simplifying the description, but not for indicating or suggesting that the device or element indicated must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

The first embodiment is as follows:

referring to fig. 1, fig. 2, fig. 3 and fig. 4, the utility model relates to a gasoline engine is anti-fatigue bolt screw thread fatigue test device for connecting rod, include frame 1 and locate the screw thread testing arrangement of frame 1 upper end, screw thread testing arrangement includes vertical locating the perpendicular frame 2 of frame 1 upper end, be equipped with lifting support 3 on perpendicular frame 2 and be used for the drive lifting support 3 follows the elevating system 4 of 2 oscilaltions of perpendicular frame, 3 downside of lifting support is equipped with the detection device support 5 that is "7" style of calligraphy, 3 upper ends of lifting support are equipped with and are used for the drive the rotatory first rotating electrical machines 6 of detection device support 5, detection device support 5 downside is equipped with and is discoid spanner switching dish 7, the pivot axis of first rotating electrical machines 6 with the coaxial setting of diameter line that spanner switching dish 7, be equipped with on the detection device support 5 and be used for the drive spanner switching dish 7 is around the rotatory second rotating electrical machines 51 of its axis, spanner dish 7 is equipped with a plurality of not unidimensional spanner 8, spanner 8 is located in the annular array spanner dish 7, spanner 8 with the axis of spanner switching dish 7 with the same axis of spanner is equipped with the cooperation of spanner that switches the spanner 10 the screw axis of spanner 7 the spanner 1 of spanner switching dish. Switch dish 7 through setting up the spanner in this embodiment, and switch dish 7 with the spanner and go up spanner 8 that sets up a plurality of different models, the bolt that can be applicable to various different models detects the use, it is wide to be suitable for the model, thereby accessible second rotating electrical machines 51 drive spanner switch dish 7 is rotatory to make different spanner 8 towards screw tool 10 and make this spanner 8's axis coaxial with first rotating electrical machines 6's pivot axis, fix the bolt on spanner 8, it is rotatory together through first rotating electrical machines 6 drive detection device support 5 and spanner 8, with the screw cooperation on the screw tool 10, repeated unscrewing and screwing up, carry out the screw thread fatigue test of bolt. The detection is more convenient and efficient.

Referring to fig. 1, 2, 3 and 4, a torque meter 9 is disposed between the wrench 8 and the wrench switching plate 7. The detection precision is improved.

Referring to fig. 1, 2, 3 and 4, a plurality of threaded holes with different diameters are formed in the threaded hole jig 10, and the threaded hole jig 10 is provided with a jig traverse mechanism 11 at a lower side thereof for driving the threaded hole jig 10 to traverse to switch different threaded holes to a lower side of the wrench switching plate 7.

Referring to fig. 1, 2, 3 and 4, the jig traversing mechanism 11 includes a traversing electric cylinder 111 and a plurality of traversing guide rails 112.

Referring to fig. 1, 2, 3 and 4, the wrench switching plate 7 is provided with a screw clamping device 12 cooperating with the wrench 8

Referring to fig. 1, 2, 3 and 4, the screw clamping device 12 includes a clamping plate 121 disposed on one side of the wrench switching plate 7 and a plurality of clamping driving cylinders 122 for driving the clamping plate 121 to move back and forth in a direction away from or close to the wrench switching plate 7, and a plurality of clamping plates 123 disposed on the clamping plate 121 toward the end of the wrench 8. Be convenient for fix the spiral shell head end of bolt on spanner 8, when fixed, insert spanner 8 with the spiral shell head earlier, drive centre gripping dish 121 and grip block 123 through centre gripping actuating cylinder 122 and remove to spanner 8 end, make grip block 123 can with the conflict cooperation of spiral shell head side, firmly fix the spiral shell head on spanner 8.

Referring to fig. 1, 2, 3 and 4, the lifting mechanism 4 includes a lifting electric cylinder 41 and a plurality of lifting guide rails 42.

The utility model discloses the working process:

the utility model relates to a gasoline engine is anti-fatigue bolt screw thread fatigue test device for connecting rod in the course of the work, bolt model according to required detection, thereby it is coaxial with the pivot axis of first rotating electrical machines 6 to make the spanner 8 of suitable model towards screw tool 10 and make the axis of this spanner 8 through the rotation of second rotating electrical machines 51 drive spanner switching dish 7, with the bolt fastening on spanner 8, insert spanner 8 earlier with the spiral shell head, move to spanner 8 end through centre gripping driving cylinder 122 drive grip disc 121 and grip block 123, make grip block 123 can conflict the cooperation with the spiral shell head side, firmly fix the spiral shell head on spanner 8, through 11 drive screw tool 10 sideslip of tool sideslip mechanism, make the screw of suitable model remove to spanner switching dish 7 downside, it is rotatory together through 6 drive detection device supports 5 of first rotating electrical machines and spanner 8, with the screw cooperation on the screw tool 10, repeated pine and screwing up, carry out the screw thread fatigue test of bolt.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims (7)

1. The utility model provides a gasoline engine is anti-fatigue bolt screw thread fatigue test device for connecting rod, includes frame (1) and locates the screw thread testing arrangement of frame (1) upper end, its characterized in that: the thread testing device comprises a vertical frame (2) vertically arranged at the upper end of the rack (1), wherein a lifting support (3) and a lifting mechanism (4) used for driving the lifting support (3) to ascend and descend along the vertical frame (2) are arranged on the vertical frame (2), a detection device support (5) in a 7-shaped shape is arranged on the lower side of the lifting support (3), a first rotating motor (6) used for driving the detection device support (5) to rotate is arranged at the upper end of the lifting support (3), a disc-shaped wrench switching disc (7) is arranged on the lower side of the detection device support (5), a plurality of wrenches (8) of different sizes are arranged on the outer ring of the wrench switching disc (7), the wrenches (8) are arranged in an annular array and are arranged on the wrench switching disc (7), the outer ring of the wrenches (8) and the first rotating motor (6) are arranged on the wrench switching disc (7), and the wrenches (8) are matched with screw holes (10) on the rack and are arranged on the same section of the wrench switching disc (6).

2. The fatigue bolt thread fatigue testing device for the connecting rod of the gasoline engine as claimed in claim 1, wherein: a torque instrument (9) is arranged between the wrench (8) and the wrench switching disk (7).

3. The fatigue bolt thread fatigue testing device for the connecting rod of the gasoline engine as claimed in claim 1, wherein: the wrench is characterized in that a plurality of screw holes which are different in diameter and arranged in a straight line are formed in the screw hole jig (10), and a jig transverse moving mechanism (11) which is used for driving the screw hole jig (10) to transversely move so as to switch different screw holes to the lower side of the wrench switching disc (7) is arranged on the lower side of the screw hole jig (10).

4. The fatigue-resistant bolt thread fatigue testing device for the gasoline engine connecting rod as claimed in claim 3, characterized in that: the jig transverse moving mechanism (11) comprises a transverse moving electric cylinder (111) and a plurality of transverse moving guide rails (112).

5. The fatigue-resistant bolt thread fatigue testing device for the gasoline engine connecting rod as claimed in claim 1, characterized in that: and a screw clamping device (12) matched with the wrench (8) is arranged on the wrench switching disc (7).

6. The fatigue bolt thread fatigue testing device for the connecting rod of the gasoline engine as claimed in claim 5, wherein: the screw clamping device (12) comprises a clamping disc (121) arranged on one side of the wrench switching disc (7) and a plurality of clamping driving cylinders (122) used for driving the clamping disc (121) to move transversely in a reciprocating mode in a direction far away from or close to the wrench switching disc (7), and a plurality of clamping plates (123) arranged towards the end of the wrench (8) are arranged on the clamping disc (121).

7. The fatigue-resistant bolt thread fatigue testing device for the gasoline engine connecting rod as claimed in claim 1, characterized in that: the lifting mechanism (4) comprises a lifting electric cylinder (41) and a plurality of lifting guide rails (42).

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