CN216745891U - Connecting rod cover bolt connecting hole end face verticality detection device - Google Patents

Abstract

The utility model discloses a device for detecting the verticality of the end face of a bolt connection hole of a connecting rod cover. The inner diameter of the hole is matched, the upper end of the mandrel is provided with a connecting column, the connecting column is provided with a pin hole, a pin shaft is penetrated in the pin hole, the pin shaft is in contact with the end face where the bolt connection hole is located, and the connection The upper end of the column is provided with a mandrel column head, and the upper end surface of the mandrel column head is provided with a smooth and flat measuring table, the measuring table is in contact with the measuring head of the lever dial indicator, and the end face of the connecting hole of the connecting rod cover is tested for verticality The device can quickly and effectively detect the verticality of the end face of the connecting rod cover, and reduces the calculation and calculation errors in the measurement process, improves the measurement efficiency, and is suitable for large-scale detection.

Description

Connecting rod cover bolt connection hole end face verticality detection device

technical field

The utility model relates to the technical field of parts detection, in particular to a device for detecting the verticality of an end face of a bolt connection hole of a connecting rod cover.

Background technique

The connecting rod is one of the key components of the engine, so its quality is more strictly controlled during the machining process. The end face of the bolt connection hole of the connecting rod cover is the stress surface of the bolt connection, and the verticality of the end face directly affects the connection between the connecting rod bolt and the connecting rod. Assembly quality of the connecting rod.

At present, in the production process of the connecting rod cover, the detection of the verticality of its end face relies on three-coordinates to measure, the detection time is long, and the large-volume connecting rod cannot be tested, which affects the production efficiency.

SUMMARY OF THE INVENTION

The technical problem to be solved by the utility model is to overcome the existing defects and provide a detection device for the verticality of the end face of the connecting hole of the connecting rod cover bolt, which can quickly and effectively detect the verticality of the end face of the connecting rod cover, and is suitable for large-scale detection. , which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a device for detecting the verticality of the end face of a bolt connection hole of a connecting rod cover, comprising a connecting rod cover, the bolt connecting hole on the connecting rod cover is provided with a mandrel, and the connecting rod cover is provided with a mandrel. The outer diameter of the mandrel is matched with the inner diameter of the bolt connection hole, the upper end of the mandrel is provided with a connection post, the connection post is provided with a pin hole, a pin shaft is penetrated in the pin hole, and the pin shaft is connected with the bolt connection hole The upper end of the connecting column is provided with a mandrel column head, and the upper end surface of the mandrel column head is provided with a smooth and flat measuring table, and the measuring table is in contact with the measuring head of the lever dial indicator.

As a preferred technical solution of the present invention, the length of the mandrel is the same as the length of the bolt connection hole.

As a preferred technical solution of the present invention, one end of the lever dial indicator is fixedly connected to the rotating rod, the middle position of the rotating rod is rotatably connected to the connecting rod, and one end of the connecting rod is slidably connected to the end of the vertical rod. On the outer side, the lower end of the vertical rod is connected with the base, and the base and the connecting rod cover are placed on the same plane.

As a preferred technical solution of the present invention, a first adjusting screw is arranged between the rotating rod and the connecting rod, a sliding sleeve is sleeved on the outer side of the vertical rod, and one end of the sliding sleeve is provided with a second adjusting screw. Adjusting screw, the connecting rod is fixedly connected with the sliding sleeve.

As a preferred technical solution of the present invention, knurled threads are evenly distributed on the outer side surface of the column head of the mandrel.

Compared with the prior art, the beneficial effects of the present utility model are: the device for detecting the verticality of the end face of the bolt connection hole of the connecting rod cover is compact in structure, reasonable in design and convenient in operation, and can quickly detect the end face of the bolt connection hole on the connecting rod cover. The verticality is detected by inserting the mandrel into the bolt connection hole to ensure that the outer side of the mandrel is in contact with the bolt connection hole, and then insert the pin shaft at the upper end of the mandrel to make the pin shaft and the end face contact, by setting the lever The dial indicator will contact the contact head of the lever dial indicator with the measuring table on the mandrel column head, and rotate the mandrel to rotate, so that the pin shaft rotates around the axis of the mandrel on the end face, and the pointer of the dial indicator of the lever can be observed beating. The verticality of the end face is detected, which reduces the calculation and calculation errors in the measurement process, improves the measurement efficiency, and can also be adapted to the measurement of hole parts with similar structures, thereby improving the versatility of use.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Figure 2 is a front view of the utility model.

In the picture: 1 rotating rod, 2 lever dial indicator, 3 mandrel column head, 4 connecting column, 5 mandrel, 6 pin shaft, 7 connecting rod cover, 8 first adjusting screw, 9 connecting rod, 10 vertical rod, 11 Sliding sleeve, 12 second adjusting screw, 13 base, 14 measuring table.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. Example (for the convenience of description and understanding, the top of FIG. 2 is used as the top for description below). Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Embodiment 1: Please refer to Figures 1-2, the present utility model provides a technical solution: a device for detecting the verticality of the end face of the bolt connection hole of the connecting rod cover, including the connecting rod cover 7, and the bolt connection hole on the connecting rod cover 7 is in the connecting rod cover 7. A mandrel 5 is provided, the outer diameter of the mandrel 5 is matched with the inner diameter of the bolt connection hole, the length of the mandrel 5 is the same as the length of the bolt connection hole, the upper end of the mandrel 5 is provided with a connection post 4, and the connection post 4 is provided with There is a pin hole, a pin shaft 6 is penetrated in the pin hole, and the pin shaft 6 is in contact with the end face where the bolt connection hole is located. The measuring table 14, which ensures the measurement accuracy, the measuring table 14 is in contact with the measuring head of the lever dial indicator 2, one end of the lever dial indicator 2 is fixedly connected with the rotating rod 1, and the middle position of the rotating rod 1 is rotatably connected with the connecting rod 9 There is a first adjusting screw 8 between the rotating rod 1 and the connecting rod 9. By setting the first adjusting screw 8, the rotating rod 1 can be controlled to rotate, and then the contact head of the lever dial indicator 2 is adjusted to contact the measuring table 14, and the vertical rod The outer side of 10 is sleeved with a sliding sleeve 11, one end of the sliding sleeve 11 is provided with a second adjusting screw 12, the connecting rod 9 is fixedly connected with the sliding sleeve 11, and the height of the lever dial indicator 2 can be controlled by adjusting the second adjusting screw 12. The lower end of the vertical rod 10 is connected with the base 13, and the base 13 and the connecting rod cover 7 are placed on the same plane. The verticality of the end face at the bolt connection hole on the rod cover is detected, which reduces the calculation and calculation errors in the measurement process and improves the measurement efficiency.

When in use: Assemble the connecting column 4 and the pin 6 by interference fit, then place the connecting rod cover 7 and the base 13 on the flat plate, and insert the mandrel 5 into the bolt connection hole on the connecting rod cover 7 , adjust the height of the sliding sleeve 11 and rotate the rotating rod 1, so that the measuring head of the lever dial indicator 2 is in contact with the measuring table 14, adjust the lever dial indicator 2 to make the value zero, and rotate the mandrel 5, so that the pin shaft 6 is on the end face Rotate up, and by reading the value on the lever dial indicator 2, it reflects the change in the verticality of the end face of the bolt connection hole on the connecting rod cover 7.

Embodiment 2: The difference from Embodiment 1 is that knurled threads are evenly distributed on the outer side of the mandrel stud 3, which is convenient for inspectors to rotate the mandrel stud 3 and prevent slipping.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (5)

1. A device for detecting the verticality of the end face of a bolt connection hole of a connecting rod cover, comprising a connecting rod cover (7), characterized in that: a mandrel (5) is provided in the bolt connecting hole on the connecting rod cover (7), The outer diameter of the mandrel (5) is matched with the inner diameter of the bolt connection hole, the upper end of the mandrel (5) is provided with a connecting column (4), the connecting column (4) is provided with a pin hole, and the pin hole is A pin shaft (6) is threaded through, the pin shaft (6) is in contact with the end face where the bolt connection hole is located, and the upper end of the connecting column (4) is provided with a mandrel stud head (3), the A smooth and flat measuring table (14) is arranged on the upper end surface, and the measuring table (14) is in contact with the measuring head of the lever dial indicator (2). 2 . The device for detecting the verticality of the end face of the bolt connection hole of the connecting rod cover according to claim 1 , wherein the length of the mandrel ( 5 ) is the same as the length of the bolt connection hole. 3 . 3. The device for detecting the verticality of the end face of a connecting hole of a connecting rod cover bolt according to claim 1, characterized in that: one end of the lever dial indicator (2) is fixedly connected to the rotating rod (1), and the rotating The middle position of the rod (1) is rotatably connected to the connecting rod (9), one end of the connecting rod (9) is slidably connected to the outer side of the vertical rod (10), and the lower end of the vertical rod (10) is connected to the base (13). ) connection, the base (13) and the connecting rod cover (7) are placed on the same plane. 4. A device for detecting the verticality of the end face of a connecting hole of a connecting rod cover bolt according to claim 3, wherein a first adjusting screw (8) is arranged between the rotating rod (1) and the connecting rod (9). ), a sliding sleeve (11) is sleeved on the outer side of the vertical rod (10), one end of the sliding sleeve (11) is provided with a second adjusting screw (12), and the connecting rod (9) is connected to the sliding sleeve (11) Fixed connection. 5 . The device for detecting the verticality of the end face of a connecting hole of a connecting rod cover bolt according to claim 1 , wherein knurled threads are evenly distributed on the outer surface of the mandrel column head ( 3 ). 6 .

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