CN215572548U

CN215572548U - Measuring device for position degree of end face tooth mounting hole and ear hole

Info

Publication number: CN215572548U
Application number: CN202121480715.3U
Authority: CN
Inventors: 孙金相
Original assignee: Wanxiang Group Corp; Wanxiang Qianchao Transmission Shaft Co Ltd
Current assignee: Wanxiang Group Corp; Wanxiang Qianchao Transmission Shaft Co Ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-01-18
Anticipated expiration: 2031-06-30

Abstract

The utility model relates to the technical field of measuring instruments, in particular to a device for measuring the position degree of an end face tooth mounting hole and an ear hole, which comprises a bottom plate, an end face tooth mounting hole checking tool mechanism, a first percent table mechanism and a second percent table mechanism, wherein the end face tooth mounting hole checking tool mechanism, the first percent table mechanism and the second percent table mechanism are arranged on the bottom plate; in the end face tooth mounting hole inspection tool mechanism, a rotary base shaft of the end face tooth mounting hole inspection tool is mounted in a bearing sleeve through a bearing and can rotate circumferentially, in the first percent table mechanism, a first table rod of a first percent table horizontally slides relative to a workpiece on the end face tooth mounting hole inspection tool in the left-right direction through a first guide rail and a first sliding block, and in the second percent table mechanism, a second table rod of a second percent table horizontally slides relative to the workpiece on the end face tooth mounting hole inspection tool in the left-right direction through a second guide rail and a second sliding block. The utility model can reduce the clamping times, shorten the measurement time, reduce human errors, reduce the risk of mistaken collision and lighten the working strength of workers.

Description

Measuring device for position degree of end face tooth mounting hole and ear hole

Technical Field

The utility model relates to the technical field of measuring instruments, in particular to a device for measuring the position degree of an end face tooth mounting hole and an ear hole.

Background

The flange fork is an important part of the universal coupling, and the most common cross-axle type universal coupling is taken as an example, and through the connection of the flange fork and the flange fork, two shafts which are not on the same axis and have an included angle of the axis can realize continuous rotation, and reliably transmit torque and motion. Therefore, the machining precision of the flange yoke directly influences the performance and the service life of the universal coupling.

The end face tooth flange fork is one kind of flange fork, and mainly used automobile transmission system after the processing of the earhole and the mounting hole on its left and right sides, earhole and mounting hole around the need measure position degree, symmetry error, its measurement process as follows: placing a workpiece on a bottom plate at the position of the mounting hole, positioning the workpiece by the mounting hole, mounting a dial indicator of a measuring device on a sliding block, moving the sliding block with the dial indicator above, and measuring the difference value of two groups of numerical values of the side surfaces of the left ear hole and the right ear hole of the workpiece, namely the front-back position degree of the ear hole of the workpiece and the mounting hole; and moving the slide block with the meter to make the slide block contact with the stop block to measure the position degree value of the inner side of the ear hole, moving the slide block with the meter again after the workpiece is turned over for 180 degrees to measure the position degree value of the inner side of the other ear hole, wherein the difference between the two values is the symmetry error between the left ear hole and the right ear hole of the workpiece and the mounting hole. The disadvantages of such a measuring device are: 1. the measurement time is long, and the workpiece needs to be clamped twice; 2. in the clamping process, interference can be caused between the workpiece and the dial indicator due to small space, and in case of touching the dial indicator, the measurement needs to be carried out again, so that the measurement time is increased; 3. the clamping times are more, so that secondary positioning errors are increased, and the measurement precision is influenced; 4. the probability of mistakenly touching the dial indicator in the two clamping processes is increased; 5. because the work piece is heavier, staff's measurement intensity increases, and human error is inevitable.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the background art, and provides a device for measuring the position degree of an end face tooth mounting hole and an ear hole, which can reduce the clamping times, shorten the measuring time, reduce the human error, reduce the error collision risk and reduce the working strength of workers.

The technical scheme adopted by the utility model is as follows:

a measuring device for the position degree of an end face tooth mounting hole and an ear hole comprises a bottom plate, and an end face tooth mounting hole checking tool mechanism, a first percent table mechanism and a second percent table mechanism which are arranged on the bottom plate;

end face tooth mounting hole examines a mechanism and includes: the device comprises a bearing sleeve vertically arranged in the middle of a bottom plate, a rotary base shaft arranged in the bearing sleeve through a bearing, a correcting block fixedly arranged at the upper end of the rotary base shaft and provided with a correcting plane, and an end face tooth mounting hole gauge horizontally fixed at the top of the correcting block;

the first dial indicator mechanism comprises: the device comprises a height cushion block fixed on the right side of a bottom plate, a guide rail mounting block fixed on the top of the height cushion block, a first guide rail horizontally mounted on the top surface of the guide rail mounting block along the left-right direction, a first slide block in sliding fit with the first guide rail, a first connecting plate horizontally fixed on the top of the first slide block, an adjusting screw mounted at the left end of the first connecting plate through a locking nut and the end part of the adjusting screw is in contact with a correcting block, a handle assembly connected at the right end of the first connecting plate, a first meter rod vertically fixed on the top of the first connecting plate, a suspension rod in sliding fit with the first meter rod, a first dial indicator mounted at the suspension end of the suspension rod, and a first locking screw for locking the suspension rod;

the second dial indicator mechanism comprises: the sliding sleeve is vertically fixed on a second meter rod at the top of the second connecting plate, a sliding sleeve in sliding fit on the second meter rod, a second dial indicator installed on the sliding sleeve, and a second locking screw for locking the sliding sleeve.

Preferably, the bottom plate is provided with a key groove extending backwards from the front side edge of the bottom plate, the lower end of the bearing sleeve is provided with a flange and is fixed on the bottom plate through the flange and a bolt in a matching manner, and the bottom surface of the flange is provided with a positioning pin matched with the key groove.

Preferably, the handle assembly comprises a handle positioning seat fixed at the right end of the guide rail mounting block, a handle hinged on the handle positioning seat and provided with an adjusting groove, and a connecting rod connected with the adjusting groove through an adjusting bolt, and the other end of the connecting rod is hinged with the right end of the first connecting plate.

Preferably, the suspension rod is in a V shape, the right end of the suspension rod is horizontally arranged and is in sliding fit with the first dial indicator rod, and the left end of the suspension rod is inclined downwards and is provided with the first dial indicator. .

The utility model has the beneficial effects that:

1. the end face tooth mounting hole detection tool for positioning the workpiece is positioned through the bearing sleeve, the bearing and the rotary base shaft during detection, the rotary positioning function is realized, the workpiece can be clamped once to measure the position degrees in two directions, and the measurement time is greatly saved;

2. after the workpiece is clamped, the position degree of the inner side of the ear hole is measured only by rotating for a circle, even if the workpiece is mistakenly touched, the workpiece is mistakenly touched in front, and after the workpiece is measured, the measurement value is not influenced, and the remedial work after the workpiece is mistakenly touched by a dial indicator does not exist;

3. due to the adoption of one-time clamping, secondary positioning errors are avoided;

4. the staff intensity of measurement reduces, and human error also significantly reduces.

Drawings

Fig. 1 is a schematic front view of the present invention.

Fig. 2 is a left side view of the present invention.

Fig. 3 is a schematic perspective view of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples, but the present invention is not limited to the following examples, so that the objects, solutions and advantages of the present invention can be more clearly understood by those skilled in the art.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified and limited, specific meanings of the general terms in the present invention may be specifically understood by those skilled in the art.

As shown in fig. 1 to 3, a device for measuring the location degree of a face tooth mounting hole and an ear hole comprises a base plate 1, a face tooth mounting hole checking tool mechanism, a first percentile mechanism and a second percentile mechanism, wherein the face tooth mounting hole checking tool mechanism, the first percentile mechanism and the second percentile mechanism are mounted on the base plate 1.

As shown in fig. 1 and 2, the face tooth mounting hole gauge mechanism includes: the device comprises a bearing sleeve 27 vertically installed in the middle of the bottom plate 1, a rotary base shaft 26 installed in the bearing sleeve 27 through a bearing (not visible in the figure), a correcting block 25 fixedly arranged at the upper end of the rotary base shaft 26 and provided with a correcting plane 25A, and an end face tooth mounting hole detection tool 16 horizontally fixed at the top of the correcting block 25. The top surface of the end face tooth mounting hole gauge 16 is vertically fixed with a plurality of mounting hole positioning pins for positioning mounting holes of a workpiece 15 (end face tooth flange fork). Through the bearing and the bearing sleeve 27, the end face tooth mounting hole gauge 16 can realize circumferential rotation in the horizontal plane.

The first dial indicator mechanism comprises: fix high cushion 4 on bottom plate 1 right side, fix guide rail installation piece 5 at high cushion 4 top, along left right direction horizontal installation at guide rail installation piece 5 top surface guide rail No. one, sliding fit is No. one slider 3 on a guide rail, horizontal fixation is No. one connecting plate 9 at No. one slider 3 top, install at No. one connecting plate 9 left end and tip 17 and adjusting screw 10 of rectifying block 25 contact through lock nut 11, connect the handle components at No. one connecting plate 9 right-hand member, vertically fix No. one gauge rod 12 at No. one connecting plate 9 top, sliding fit is No. one the hanging rod 30 on gauge rod 12, install No. one percentage table 14 at hanging rod 30 overhanging end, and lock screw 13 of locking hanging rod 30. The suspension rod 30 is in a V shape, the right end of the suspension rod is horizontally arranged and is in sliding fit with the first dial indicator rod 12, the left end of the suspension rod is inclined downwards to the side where the workpiece 15 is located, and the first dial indicator 14 is installed.

The handle assembly includes: fix handle location seat piece 6 at guide rail installation piece 5 right-hand member, articulate on handle location seat piece 6 and set up the handle 8 of adjustment tank, the connecting rod 7 of being connected with the adjustment tank through adjusting bolt, the other end of connecting rod 7 is articulated with the right-hand member of connecting plate 9 No. one.

As shown in fig. 2 and 3, the second dial indicator mechanism includes: the measuring head of the second dial indicator 21 is arranged towards the workpiece 15 in front, and the second guide rail 18 is horizontally arranged on the rear side of the bottom plate 1 along the left-right direction, the second sliding block 24 is in sliding fit with the second guide rail 18, the second connecting plate 23 is horizontally fixed on the top of the second sliding block 24, the second indicator rod 22 is vertically fixed on the top of the second connecting plate 23, the sliding sleeve 20 is in sliding fit with the second indicator rod 22, the second dial indicator 21 is arranged on the sliding sleeve 20, and the second locking screw 19 is used for locking the sliding sleeve 20.

The bottom plate 1 is provided with a key slot 29 extending backwards from the front side edge of the bottom plate, the lower end of the bearing sleeve 27 is provided with a flange 28 and is fixed on the bottom plate 1 through the flange 28 and a bolt in a matching way, and the bottom surface of the flange 28 is provided with a positioning pin 2 matched with the key slot 29.

The working principle of the utility model is as follows:

(1) and moving the second dial indicator 21, measuring the mounting hole positioning pin on the end face tooth mounting hole gauge 16, adjusting the second locking screw 19, controlling the parallelism between the second sliding block 24 and the mounting hole positioning pin within 0.01mm, and locking the second locking screw 19.

(2) The mounting hole of a workpiece 15 is sleeved on a mounting hole locating pin on an end face tooth mounting hole detecting tool 16 in a penetrating mode in a certain direction, a handle 8 is pulled to the right to enable a connecting rod 7 to pull a first connecting plate 9, a first dial indicator 14 is adjusted to enable the pressing-in amount of a measuring head of the first dial indicator 14 and the inner side of the workpiece to be 1mm, and then an adjusting bolt of the connecting rod 7 is locked. The workpiece 15 is rotated for one circle, and the difference between the measured values is the inner symmetry error of the left ear hole and the right ear hole of the workpiece 15.

(3) Then the adjusting bolt of the connecting rod 7 is loosened, the handle 8 is pulled, the adjusting screw 10 on the first connecting plate 9 is contacted with the correcting plane 25A through the connecting rod 7, the second dial indicator 21 is moved, and a group of numerical values outside the left ear hole and the right ear hole are measured. And rotating the workpiece 15 by 180 degrees, measuring another group of numerical values in the same way, and adding and subtracting to obtain the position error of the ear hole and the mounting hole.

The above description is only a preferred embodiment of the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a measuring device of terminal surface tooth mounting hole and earhole position degree which characterized in that: the device comprises a bottom plate (1), and an end face tooth mounting hole checking fixture mechanism, a first dial indicator mechanism and a second dial indicator (21) mechanism which are arranged on the bottom plate (1);

end face tooth mounting hole examines a mechanism and includes: the device comprises a bearing sleeve (27) vertically arranged in the middle of a bottom plate (1), a rotary base shaft (26) arranged in the bearing sleeve (27) through a bearing, a correcting block (25) fixedly arranged at the upper end of the rotary base shaft (26) and provided with a correcting plane (25A), and an end face tooth mounting hole gauge (16) horizontally fixed at the top of the correcting block (25);

the first dial indicator mechanism comprises: a height cushion block (4) fixed on the right side of the bottom plate (1), a guide rail mounting block (5) fixed on the top of the height cushion block (4), a first guide rail horizontally arranged on the top surface of the guide rail mounting block (5) along the left-right direction, a first sliding block (3) in sliding fit with the first guide rail, and a first connecting plate (9) horizontally fixed on the top of the first sliding block (3), the adjusting screw (10) is installed at the left end of the first connecting plate (9) through a locking nut (11), and the end part (17) of the adjusting screw is in contact with the correcting block (25), the handle assembly is connected to the right end of the first connecting plate (9), the first meter rod (12) is vertically fixed to the top of the first connecting plate (9), the suspension rod (30) is in sliding fit with the first meter rod (12), the first dial indicator (14) is installed at the overhanging end of the suspension rod (30), and the first locking screw (13) is used for locking the suspension rod (30);

the second dial indicator (21) mechanism comprises: no. two guide rails (18) of horizontal installation in bottom plate (1) rear side along the left and right direction, No. two slider (24) of sliding fit on No. two guide rails (18), No. two connecting plate (23) at No. two slider (24) tops are fixed to the level, vertical No. two gauge rod (22) of fixing at No. two connecting plate (23) tops, sliding sleeve (20) of sliding fit on No. two gauge rod (22), No. two percentage table (21) of installing on sliding sleeve (20), and No. two locking screw (19) of locking sliding sleeve (20).

2. A face tooth mounting hole to ear hole position measurement apparatus as claimed in claim 1, wherein: the bottom plate (1) is provided with a key groove (29) extending backwards from the front side edge of the bottom plate, the lower end of the bearing sleeve (27) is provided with a flange (28) and is fixed on the bottom plate (1) through the flange (28) and a bolt in a matching mode, and the bottom surface of the flange (28) is provided with a positioning pin (2) matched with the key groove (29).

3. A face tooth mounting hole to ear hole position measurement apparatus as claimed in claim 1, wherein: the handle assembly comprises a handle positioning seat block (6) fixed at the right end of the guide rail mounting block (5), a handle (8) hinged on the handle positioning seat block (6) and provided with an adjusting groove, and a connecting rod (7) connected with the adjusting groove through an adjusting bolt, wherein the other end of the connecting rod (7) is hinged with the right end of a first connecting plate (9).

4. A face tooth mounting hole to ear hole position measurement apparatus as claimed in claim 1, wherein: the suspension rod (30) is V-shaped, the right end of the suspension rod is horizontally arranged and is in sliding fit with the first dial indicator rod (12), and the left end of the suspension rod is downwards inclined and is provided with the first dial indicator (14).