CN217844982U

CN217844982U - Balance shaft support position degree checking fixture

Info

Publication number: CN217844982U
Application number: CN202222231540.3U
Authority: CN
Inventors: 谢登山; 汪斌; 蹇超; 邵玉娥
Original assignee: Hubei Xingyuan Science And Technology Co ltd
Current assignee: Hubei Xingyuan Science And Technology Co ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2022-11-18
Anticipated expiration: 2032-08-24

Abstract

The utility model discloses a balance shaft bracket position degree checking fixture, which comprises a detection seat, a limiting component, a lower assembly hole detection pin and an upper assembly hole detection pin, wherein the limiting component, the lower assembly hole detection pin and the upper assembly hole detection pin are arranged on the detection seat, and the limiting component, the lower assembly hole detection pin and the upper assembly hole detection pin are mutually matched for detecting the distance from a vertical part to the lower assembly hole and the position degree of the lower assembly hole and the upper assembly hole; the utility model discloses a high efficiency, accuracy, safe detect out balance shaft support product quality's compliance, reduce detection person's intensity of labour and improve production efficiency, eliminate the potential safety hazard.

Description

Balance shaft support position degree detection tool

Technical Field

The utility model belongs to utensil field is examined to the balance shaft support, and especially an utensil is examined to balance shaft support position degree.

Background

The balance suspension is one of the key parts of a commercial vehicle, the balance shaft bracket is also a key part of the balance shaft suspension, and the light weight design of the balance shaft bracket is necessary.

As shown in fig. 1, the conventional balance shaft bracket is integrally composed of a balance shaft connecting part 1 at the middle position, a frame connecting part 2 extending from one side, and a thrust rod mounting integrated part extending from the other side, wherein a center position of the balance shaft connecting part 1 is a balance shaft mounting hole 11, and a bottom part 21 and a vertical part 22 on the frame connecting part 2 can be connected with a ventral surface and a lower wing surface of a frame longitudinal beam, namely, a hole on the bottom part is a lower mounting hole 211, and a hole on the vertical part is an upper mounting hole 221.

In the past, universal measuring tools (such as a flat plate, a vernier caliper, a height gauge, a square, an adjusting support block and the like) with various specifications are adopted when the pore size and the hole series relative position size of the frame connecting part are detected. The precision of the general-purpose check tool can influence the size error of the measured workpiece. The detection methods of all quality inspectors are different, and the human factors are also a reason for influencing the dimensional accuracy of the workpiece to be detected, so that the quality condition of the workpiece cannot be accurately reflected. The universal gauge needs 30 minutes or more after the detection of one piece, so that the effective labor time of each shift is reduced, and the production efficiency is influenced.

The weight of the balance shaft support reaches more than 40 kilograms, and the balance shaft support can be completed only by the cooperation of a quality detector and an operator during detection. When detecting the position degrees of holes in different directions, the workpiece needs to be turned over for many times, the height of the supporting block needs to be adjusted at any time, the workpiece is easy to shift and fall off, the workpiece is slightly damaged by collision, the hand of a person is injured by collision or the gauge is damaged by collision, and a large safety risk exists.

Disclosure of Invention

The utility model provides an utensil is examined to balance shaft support position degree, the purpose is in order to solve current detection mode and have inefficiency and unsafe problem.

The technical scheme of the utility model is that: the utility model provides a utensil is examined to balance shaft support position degree which characterized in that: including detecting seat, spacing subassembly, lower assembly hole detection round pin and last assembly hole detection round pin set up on detecting the seat, and spacing subassembly, lower assembly hole detection round pin and last assembly hole detection round pin three cooperate mutually and are used for detecting perpendicular portion to the distance in lower assembly hole, the position degree in lower assembly hole and last assembly hole.

The technical scheme is further limited, and the structure of the detection seat is as follows: the vertical plate detection device comprises a bottom plate and a vertical plate, wherein a lower detection pin hole is formed in the bottom plate and used for being connected with a lower assembly hole detection pin, the vertical plate is vertically fixed on the bottom plate, an upper detection pin hole is formed in the vertical plate and used for being connected with an upper assembly hole detection pin.

The technical scheme is further limited, and a plurality of first weight-reducing windows are distributed on the bottom plate.

The technical scheme is further limited, and a plurality of second weight-reducing windows are distributed on the vertical plate.

The technical scheme is further improved, and a plurality of reinforcing plates are arranged between the bottom plate and the vertical plate.

The technical scheme is further limited, and a third weight-reducing window is arranged on the reinforcing plate.

The technical scheme is further limited, and the limiting assembly comprises a lower limiting assembly and an upper limiting assembly; the lower limiting assembly consists of symmetrically arranged limiting blocks, and the limiting blocks are connected with the vertical plate; the upper limiting assembly is composed of movable blocks which are symmetrically arranged, the movable blocks are connected with the top of the vertical plate, and the movable blocks are oppositely arranged with the vertical part after being turned.

The technical scheme is further limited, the movable block is of an integral structure formed by a turnover arm and a positioning block, a groove-shaped opening is formed in the center of a vertical plate of the detection seat, one end of the turnover arm is connected with the vertical plate through a rotating shaft, and the positioning block is accommodated in the opening.

The technical scheme is further improved, a groove is formed in the top surface of the vertical plate of the detection base relative to the upper assembly hole, and a convex rib on the turnover arm of the movable block is clamped with the groove.

Has the advantages that: the utility model discloses a high efficiency, accuracy, safe detect out balance shaft support product quality's compliance, reduce detection person's intensity of labour and improve production efficiency, eliminate the potential safety hazard.

Drawings

Fig. 1 is a diagram of a workpiece in the background art.

Fig. 2 is a front view of the present invention.

Fig. 3 is a rear view of fig. 2.

Fig. 4 is a top view of fig. 2.

Fig. 5 is a perspective view of the present invention 1.

Fig. 6 is a perspective view of the present invention 2.

Fig. 7 is a detection state diagram of the present invention.

Detailed Description

As shown in fig. 2, 3 and 4, the balance shaft bracket position degree detection tool comprises a detection base 4, a limiting component 5, a lower assembly hole detection pin 6 and an upper assembly hole detection pin 7, wherein the limiting component, the lower assembly hole detection pin and the upper assembly hole detection pin are arranged on the detection base, and the limiting component, the lower assembly hole detection pin and the upper assembly hole detection pin are mutually matched for detecting the distance from a vertical part to a lower assembly hole and the position degree of the lower assembly hole and the upper assembly hole;

as shown in fig. 5, the structure of the test socket 4: the device comprises a bottom plate 41 and a vertical plate 42, wherein a lower detection pin hole is formed in the bottom plate and is used for being connected with a lower assembly hole detection pin, the vertical plate is vertically fixed on the bottom plate, an upper detection pin hole is formed in the vertical plate and is used for being connected with an upper assembly hole detection pin;

as shown in fig. 5, a plurality of first weight-reducing windows 43 are distributed on the bottom plate 4; a plurality of second weight-reducing windows 44 are distributed on the vertical plate; the structure is beneficial to light weight and is convenient for moving the detection seat;

as shown in fig. 5, a plurality of reinforcing plates 45 are arranged between the bottom plate 41 and the vertical plate 42; the reinforcing plate can enable the connection between the bottom plate and the vertical plate to be firmer;

as shown in fig. 5, a third weight-reduction window 46 is provided on the reinforcing plate 45; the structure is beneficial to light weight and is convenient for moving the detection seat;

as shown in fig. 5 and 6, the limiting assembly 5 comprises a lower limiting assembly 51 and an upper limiting assembly 52; the lower limiting component 51 consists of symmetrically arranged limiting blocks, the limiting blocks are connected with the vertical plate, and the connecting mode of the limiting blocks is clamping or screw connection; the upper limiting component 52 is composed of symmetrically arranged movable blocks, the movable blocks are connected with the top of the vertical plate, and the movable blocks are arranged opposite to the vertical part after being turned over; the limiting assembly consisting of the limiting block and the movable block is light in weight and beneficial to light weight; the symmetrical arrangement mode is favorable for ensuring the detection accuracy;

as shown in fig. 5 and 6, the movable block 52 has an integral structure formed by a turning arm 521 and a positioning block 522, a groove-shaped notch 421 is formed in the center of the vertical plate 42 of the detection seat, one end of the turning arm is connected with the vertical plate through a rotating shaft, and the positioning block is accommodated in the notch; the structure has the advantages that: the integral structure can reduce the number of parts, is convenient for production, reduces the weight and prolongs the service life;

as shown in fig. 6, a groove 422 is formed on the top surface of the detection seat vertical plate 42 opposite to the upper assembling hole, and a convex rib on the turning arm of the movable block is clamped with the groove; the structure can eliminate the gap of the hinge point of the movable block and ensure the accuracy of detection.

As shown in FIG. 1, the workpiece to be inspected has a cavity in its vertical part, and has upper assembling holes distributed in its upper edge and lower recess surface in the upper end.

The using method and the detection steps of the detection tool are as follows: 1) Cleaning the checking fixture: each detection surface of the detection tool is ensured to be clean and free from impurities; 2) Detecting the position degree of the hole: as shown in FIG. 7, the detection tool is placed on the processing surface of the support to be detected, so that the detected surface and the hole of the workpiece are free of scrap iron and burrs, and free of various factors influencing detection, such as salient points caused by collision and the like. Detect the bottom plate of seat promptly and place on the bottom of frame connecting portion, in overturning the movable block of two activities to the riser in the middle of keeping away the empty opening, move lightly and detect the seat, the lower assembly hole that detects pinhole on the bottom plate and the work piece bottom aligns, sees whether can insert down the assembly hole and detect the round pin, and lower assembly hole detects the round pin and includes: phi 17 cylindrical pins and rhombic pins; if the distance from the clearance-avoiding surface to the lower assembling hole on the workpiece is too small, the end surface of the lower limiting block can prop against the clearance-avoiding surface, and the lower assembling hole detection pin cannot be inserted into the lower assembling hole on the workpiece, so that the workpiece is unqualified. If the phi 17 positioning pin can be inserted, the upper assembling hole detection pin on the vertical plate is inserted again, the upper assembling hole detection pin is two phi 18.6 cylindrical detection pins, and the position degree of the upper assembling hole and the lower assembling hole on the vertical surface of the workpiece can be detected; detecting a gap between the vertical surface of the support and the lower limit block by using a feeler gauge, and if the gap is larger than 0.2mm, determining that the workpiece is unqualified; 3) When a workpiece with another size is detected, the movable block is turned over and clamped in the groove of the vertical plate, the end face of the movable block is 1mm higher than the end face of the vertical plate, the lower limiting block is installed in a turning mode, and the distance from the end face of the lower limiting block to the workpiece clearance surface is 20mm; when the distance between the vertical surface on the workpiece and the lower assembling hole is detected, the clearance between the movable block and the vertical surface is detected by using the feeler gauge, if the clearance is less than 0.2mm, the workpiece is qualified, and other detection methods are the same. In order to realize that the position degree gauge is universal, the upper limit block or the lower limit block which is matched with the vertical part is selected according to the distance between the vertical part and the lower assembling hole.

Claims

1. The utility model provides an utensil is examined to balance shaft support position degree which characterized in that: including detecting seat, spacing subassembly, lower assembly hole detection round pin and last assembly hole detection round pin set up on detecting the seat, and spacing subassembly, lower assembly hole detection round pin and last assembly hole detection round pin three cooperate mutually and are used for detecting perpendicular portion to the distance in lower assembly hole, the position degree in lower assembly hole and last assembly hole.

2. The balance shaft bracket position degree gauge according to claim 1, wherein: the structure of the detection seat is as follows: the vertical plate vertical fixing device comprises a bottom plate and a vertical plate, wherein a lower detection pin hole is formed in the bottom plate and used for being connected with a lower assembly hole detection pin, the vertical plate is vertically fixed on the bottom plate, an upper detection pin hole is formed in the vertical plate and used for being connected with an upper assembly hole detection pin.

3. The balance shaft bracket position degree gauge according to claim 2, wherein: a plurality of first weight-reducing windows are distributed on the bottom plate.

4. The balance shaft bracket position degree gauge according to claim 2 or 3, wherein: and a plurality of second weight-reducing windows are distributed on the vertical plate.

5. The balance shaft bracket position degree gauge according to claim 4, wherein: and a plurality of reinforcing plates are arranged between the bottom plate and the vertical plate.

6. The balance shaft bracket position degree gauge according to claim 5, wherein: and a third weight reduction window is arranged on the reinforcing plate.

7. The balance shaft bracket position degree gauge according to claim 1 or 2, wherein: the limiting assembly comprises a lower limiting assembly and an upper limiting assembly; the lower limiting assembly consists of symmetrically arranged limiting blocks, and the limiting blocks are connected with the vertical plate; the upper limiting assembly is composed of movable blocks which are symmetrically arranged, the movable blocks are connected with the tops of the vertical plates, and the movable blocks are oppositely arranged with the vertical parts after being turned.

8. The balance shaft bracket position degree gauge according to claim 7, wherein: the movable block is of an integral structure consisting of a turnover arm and a positioning block, a groove-shaped opening is formed in the center of a vertical plate of the detection seat, one end of the turnover arm is connected with the vertical plate through a rotating shaft, and the positioning block is accommodated in the opening.

9. The balance shaft bracket position degree gauge according to claim 8, wherein: a groove is formed in the top surface of the vertical plate of the detection seat and corresponds to the upper assembling hole, and a convex rib on the turnover arm of the movable block is clamped with the groove.