CN212109847U - Change conversion equipment of percentage table measurement direction - Google Patents

Change conversion equipment of percentage table measurement direction Download PDF

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Publication number
CN212109847U
CN212109847U CN202021233327.0U CN202021233327U CN212109847U CN 212109847 U CN212109847 U CN 212109847U CN 202021233327 U CN202021233327 U CN 202021233327U CN 212109847 U CN212109847 U CN 212109847U
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channel
dial indicator
transmission
axis
angle
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CN202021233327.0U
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王东
陈卫东
陈力智
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AECC Commercial Aircraft Engine Co Ltd
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AECC Commercial Aircraft Engine Co Ltd
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Abstract

The utility model provides a change conversion equipment of percentage table measurement direction, include: the bracket is provided with a first channel with a first axis, a second channel with a second axis, a turning cavity and a dial indicator mounting part, the first axis and the second axis are arranged at a first angle, and the first channel is used for receiving a movable measuring head of the dial indicator; the turning transmission block is arranged in the turning cavity, can swing around a swing center, and is provided with a first transmission surface facing the first channel and a second transmission surface facing the second channel, and the first transmission surface and the second transmission surface are arranged at a second angle; the reversing rear transmission assembly is slidably arranged in the second channel, provides a rear inner end to be in sliding contact with the second transmission surface, and provides an outer end to be in contact with an object to be detected; when the reversing transmission assembly is in contact with an object to be measured and moves, the distance change generated before and after the movement is transmitted to the turning transmission block through the outer end and then transmitted to the movable measuring head of the dial indicator through the turning transmission block.

Description

Change conversion equipment of percentage table measurement direction
Technical Field
The utility model relates to a measuring tool technical field, concretely relates to change conversion equipment of percentage table measurement direction.
Background
The dial indicator is a precision measuring tool with extremely high universality and practicability, is usually used for measuring the length of errors of shape and position degree and small displacement, for example, the dial indicator can be used for measuring the circular runout, the full runout, the planeness, the height and the like of a part of simple parts on a machine tool, and can also be assembled on some measuring devices to realize the measurement of the inner diameter, the outer diameter, the step height, the wall thickness, the profile degree, the position degree and the like of the part of parts.
However, due to the reasons that the dial plate of the dial indicator is large in size, the measuring head is long, the measuring direction is single, and the like, direct measurement cannot be performed on parts with complex structures and narrow spaces, and under the condition that the distances between a plurality of measuring points are relatively short, the dial indicator cannot be simultaneously configured with a plurality of dial indicators for simultaneous measurement, and only measurement can be performed on one measuring point by one measuring point due to the influence of the thickness of the dial plate of the dial indicator, and the measuring efficiency is low, in addition, when the inner diameter and the outer diameter of the part are measured, because the measuring head direction of the dial indicator is parallel to the dial plate surface, in most cases, an inspector needs to stand to look down on the dial plate of the dial indicator to read a measured value, and under the influence of the size of the part and the structure of a measuring tool, the inspector cannot look down on the dial plate surface, and the inspector is easy to fatigue after standing for a long time, and the detection efficiency and quality are influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a change conversion equipment of percentage table measurement direction to extend the measurement range of application of percentage table.
To achieve the object, a conversion device includes: the bracket is provided with a first channel with a first axis, a second channel with a second axis, a turning cavity and a dial indicator mounting part, the first axis and the second axis are arranged at a first angle, the dial indicator mounting part is used for mounting a dial indicator, and the first channel is used for receiving a movable measuring head of the dial indicator; the direction-changing transmission block is arranged in the direction-changing cavity, can swing around a swing center, and is provided with a first transmission surface facing the first channel and a second transmission surface facing the second channel, and the first transmission surface and the second transmission surface are arranged at a second angle; the reversing rear transmission assembly is slidably arranged in the second channel, provides a rear inner end to be in sliding contact with the second transmission surface, and provides an outer end to be in contact with an object to be detected; wherein, the transmission path of the conversion device is set as follows: when the backward transmission assembly contacts with the object to be measured and moves, the distance change generated before and after the movement is transmitted to the turning transmission block through the outer end and then transmitted to the movable measuring head of the dial indicator through the turning transmission block.
In one or more embodiments of the switching device, the reverse rear drive assembly includes a rear moving measurement head having the rear inner end held in sliding contact with the second drive surface by a first resilient member.
In one or more embodiments of the switching device, the reversing rear drive assembly further comprises a moving measuring bar, the moving measuring bar and the rear moving measuring head being separate components and in contact with each other, the moving measuring bar having the outer end and being arranged to be replaceable with another moving measuring bar.
In one or more embodiments of the switching device, the rear movement measuring head is in sliding contact with the second drive surface via a spherical surface.
In one or more embodiments of the shifting apparatus, the shifting apparatus further comprises a pre-divert drive assembly slidably disposed in the first channel and providing a front inner end in sliding contact with the first drive surface.
In one or more embodiments of the switching device, the reversing front drive assembly further comprises a front moving measurement head having the front inner end and held in sliding contact with the first drive surface by a second resilient member, the other end of the front moving measurement head being in contact with the movable probe of the dial indicator.
In one or more embodiments of the switching device, the forward movement measuring head is in sliding contact with the first drive surface via a spherical surface.
In one or more embodiments of the conversion device, the dial indicator mounting part comprises a locking ring and a locking screw, the locking ring is used for the shaft sleeve of the dial indicator to pass through, and the locking screw is screwed in from the outside of the ring wall of the locking ring and tightly props against the shaft sleeve.
In one or more embodiments of the switching device, the first angle ranges from 90 ° to 150 °, and the second angle ranges from 180 ° to the first angle.
In one or more embodiments of the switching device, the distance from the first axis to the center of oscillation is equal to the distance from the second axis to the center of oscillation.
The utility model discloses a conversion equipment of percentage table measuring direction can realize the conversion of the measuring direction of percentage table, thereby extend the measurement range of application of percentage table, can solve some structures complicacies, the unable direct measurement's of the narrow and small part in space problem, can also overcome the influence of the dial plate thickness of percentage table, can realize using a plurality of percentage tables to measure to a plurality of distance ratio nearer measurement stations simultaneously, furthermore, this conversion equipment can also directly carry out the measuring result of measuring internal and external diameter with the percentage table originally, from the level display at the inside or outside dial plate of percentage table of part, convert into perpendicular or other angle display, very easily the inspector accuracy reads numerical value, thereby improve the efficiency of software examination, reduce the measuring error risk that arouses because of squint and fatigue. The replacing device has the advantages of simple structure, low manufacturing cost, strong universality and convenient operation and use.
Drawings
The above and other features, properties and advantages of the present invention will become more apparent from the following description of the embodiments with reference to the accompanying drawings, in which:
fig. 1 is a schematic illustration of a conversion device according to one or more embodiments.
FIG. 2 is a schematic diagram of a method of using a conversion device according to one embodiment.
Fig. 3 is a schematic diagram of a method of using a conversion apparatus according to yet another embodiment.
Detailed Description
The following discloses many different embodiments or examples for implementing the subject technology described. Specific examples of components and arrangements are described below to simplify the present disclosure, but these are merely examples and are not intended to limit the scope of the present invention. For example, if a first feature is formed over or on a second feature described later in the specification, this may include embodiments in which the first and second features are formed in direct contact, and may also include embodiments in which additional features are formed between the first and second features, such that the first and second features may not be in direct contact. Additionally, reference numerals and/or letters may be repeated among the various examples throughout this disclosure. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. Further, when a first element is described as being coupled or coupled to a second element, the description includes embodiments in which the first and second elements are directly coupled or coupled to each other, as well as embodiments in which one or more additional intervening elements are added to indirectly couple or couple the first and second elements to each other.
As shown in fig. 1, the conversion device 100 for changing the measuring direction of the dial indicator of the present invention comprises a bracket 1, a direction changing transmission block 2 and a reversing rear transmission assembly 3.
The bracket 1 provides a first channel 5 having a first axis 4 and a second channel 7 having a second axis 6, a diversion chamber 8 and a dial indicator mounting 9, the first axis 4 and the second axis 6 being disposed at a first angle α, the dial indicator mounting 9 being for mounting a dial indicator 10, the first channel 5 being for receiving a movable probe 11 of the dial indicator 10.
The direction-changing transmission block 2 is arranged in the direction-changing cavity 8, can swing around a swing center 12, and is provided with a first transmission surface 13 facing the first channel 5 and a second transmission surface 14 facing the second channel 7, and the first transmission surface 13 and the second transmission surface 14 are arranged at a second angle beta.
The reversing rear drive assembly 3 is slidably arranged in the second channel 7, providing a rear inner end 15 in sliding contact with the second drive surface 14 and an outer end 16 for contact with an object to be measured (not shown in fig. 1).
The transmission path of the switching device 100 is: when the reversing rear transmission component 3 is in contact with an object to be measured and moves, the distance change generated before and after the movement is transmitted to the turning transmission block 2 through the outer end 16 and then transmitted to the movable measuring head 11 of the dial indicator 10 through the turning transmission block 2, and finally the change of the contact position of the reversing rear transmission component 3 and the object to be measured is directly displayed on the change of the dial indicator 10.
Therefore, the conversion device 100 can realize the conversion of the measurement direction of the dial indicator 10, thereby expanding the measurement application range of the dial indicator 10, solving the problem that parts with complex structures and narrow spaces cannot be directly measured, overcoming the influence of the dial plate thickness of the dial indicator 10, and realizing the simultaneous measurement of a plurality of measuring points with relatively short distances by using a plurality of dial indicators 10, in addition, the conversion device 100 can also convert the measurement result of the inner diameter and the outer diameter which are originally directly measured by using the dial indicator 10 into vertical or other angle display from the horizontal display of the dial plate of the dial indicator 10 inside or outside the part, thereby being very easy for inspectors to accurately read the numerical value, further improving the inspection efficiency and reducing the risk of measurement errors caused by squint and fatigue. The changing device 100 has the advantages of simple structure, low manufacturing cost, strong universality and convenient operation and use.
With continued reference to fig. 1, the reversing rear drive assembly 3 includes a rear moving measurement head 17, the rear moving measurement head 17 having a rear inner end 15 held in sliding contact with the second drive surface 14 by a first resilient member 18. The reversing rear drive assembly 3 further comprises a mobile measuring rod 19, the mobile measuring rod 19 and the rear mobile measuring head 17 are separate components and are in contact with each other, the mobile measuring rod 19 has an outer end 16 and is arranged to be replaceable with another mobile measuring rod 19 to meet different measuring requirements.
The rear moving measuring head 17 is arranged to be in sliding contact with the second transmission surface 14 through a spherical surface, so that the reversing rear transmission assembly 3 can be in good contact with the second transmission surface 14 when being in contact with an object to be measured and moving, and transmission is more accurate.
With continued reference to fig. 1, the shifting apparatus 100 further includes a forward drive assembly 20, the forward drive assembly 20 being slidably disposed in the first channel 5 and providing a forward inner end 21 in sliding contact with the first drive surface 13. The reversible front drive assembly 20 further comprises a front moving measurement head 22, the front moving measurement head 22 having a front inner end 21 and being held in sliding contact with the first drive face 13 by a second resilient member 23, the other end of the front moving measurement head 22 being in contact with the movable probe 11 of the dial gauge 10. Therefore, when the reversing rear transmission assembly 3 is in contact with an object to be detected and moves, the distance change generated before and after the movement is transmitted to the reversing transmission block 2 through the outer end 16, then the distance change is transmitted to the reversing front transmission assembly 20 through the front inner end 21 by the reversing transmission block 2, and finally the change of the contact position of the reversing rear transmission assembly 3 and the object to be detected is directly presented on the change of the dial indicator 10.
The front moving measuring head 22 is in sliding contact with the first transmission surface 13 through a spherical surface, so that the reversing front transmission assembly 20 can be in good contact with the first transmission surface 13 when being in contact with the reversing transmission block 2 and moving, and the transmission is more accurate.
The distance from the first axis 4 to the swing center 12 is equal to the distance from the second axis 6 to the swing center 12, so that the movement of the transmission assembly 3 after reversing is transmitted to the dial indicator 10 by the direction-changing transmission block 2 at equal distance, and the reading is convenient to measure.
The dial indicator mounting part 9 comprises a locking ring 24 and a locking screw 25, wherein the locking ring 24 is used for a shaft sleeve 26 of the dial indicator 10 to pass through, and the locking screw 25 is screwed in from the outer wall of the locking ring 24 and abuts against the shaft sleeve 26 to realize the fixation of the dial indicator 10.
The first angle α of the switching device 100 is in the range of 90 ° to 150 °, and the second angle β is 180 ° -the first angle α. For a processing plant with a plurality of part types and large batch size, the conversion device 100 with the first angle alpha of 90 degrees, 120 degrees, 135 degrees, 150 degrees and the like can be manufactured to realize the generalization of the special measuring tool, so that the number and the cost of the special measuring tool can be reduced, and the checking efficiency of the relevant size can be greatly improved.
Fig. 2 shows an embodiment of the conversion device 100 of the present invention, wherein two outer circle diameter sizes Φ a and Φ B of the first example part 301 need to be measured, because two measuring positions are relatively close, if according to the conventional measuring method, the dial plate thickness of the dial indicator 10 affects, and it is impossible to configure two dial indicators 10 to measure Φ a and Φ B simultaneously, and the measurement efficiency is low because two dial indicators 10 can only be divided into two measurements.
And adopt the utility model discloses a conversion equipment 100 can install one of them percentage table 10 on conversion equipment 100 earlier, install conversion equipment 100 again on first measuring device 201, another percentage table 10 ' then on the direct mount first measuring device 201, the dial plate position that makes two percentage tables 10 and 10 ' through conversion equipment 100 staggers, from this, when measuring first exemplar part 301's excircle diameter size Φ A and Φ B, only need one set of first measuring device 201 to carry out once and measure and can accomplish the measurement of two positions.
Fig. 3 shows another embodiment of the switching device 100 of the present invention, wherein one of the inner hole diameter sizes Φ C of the second exemplary part 302 needs to be measured, and the axis direction of the inner hole is vertical, if according to the conventional measuring method, because the direction of the movable measuring head 11 of the dial indicator 10 needs to be perpendicular to the measuring surface, the dial indicator 10 can only be horizontally installed on the measuring device, the inspector needs to stand to look down the dial plate of the dial indicator 10 inside the inner hole of the part to read the measured value, which is affected by the part size and the measuring tool structure, the inspector can not look straight perpendicular to the dial plate surface under many circumstances, and can only perform the squint judgment, one easily occurs the situation that the measured value is inaccurate due to the visual error, and the other inspector stands for a long time and is easily fatigued, which affects the detection efficiency and quality.
And adopt the utility model discloses a conversion equipment 100 can install percentage table 10 on conversion equipment 100 earlier, install conversion equipment 100 again on second measuring device 202, convert the dial plate direction of percentage table 10 to vertical direction through conversion equipment 100, and make the dial plate be higher than the upper surface of second example part 302, at this moment, inspection personnel can sit on the work bench comfortably when measuring hole diameter size PhiC, look at the measured value in the percentage table 10, and not only the inspection efficiency is improved, and reduced because of the strabism and the tired measuring error risk that arouses.
The utility model discloses a conversion equipment of percentage table measuring direction can realize the conversion of the measuring direction of percentage table, thereby extend the measurement range of application of percentage table, can solve some structures complicacies, the unable direct measurement's of the narrow and small part in space problem, can also overcome the influence of the dial plate thickness of percentage table, can realize using a plurality of percentage tables to measure to a plurality of distance ratio nearer measurement stations simultaneously, furthermore, this conversion equipment can also directly carry out the measuring result of measuring internal and external diameter with the percentage table originally, from the level display at the inside or outside dial plate of percentage table of part, convert into perpendicular or other angle display, very easily the inspector accuracy reads numerical value, thereby improve the efficiency of software examination, reduce the measuring error risk that arouses because of squint and fatigue. The replacing device has the advantages of simple structure, low manufacturing cost, strong universality and convenient operation and use.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, any modification, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention, all without departing from the content of the technical solution of the present invention, fall within the scope of protection defined by the claims of the present invention.

Claims (10)

1. Change conversion equipment of percentage table measurement direction, its characterized in that includes:
the bracket is provided with a first channel with a first axis, a second channel with a second axis, a turning cavity and a dial indicator mounting part, the first axis and the second axis are arranged at a first angle, the dial indicator mounting part is used for mounting a dial indicator, and the first channel is used for receiving a movable measuring head of the dial indicator;
the direction-changing transmission block is arranged in the direction-changing cavity, can swing around a swing center, and is provided with a first transmission surface facing the first channel and a second transmission surface facing the second channel, and the first transmission surface and the second transmission surface are arranged at a second angle; and
the reversing rear transmission assembly is slidably arranged in the second channel, provides a rear inner end to be in sliding contact with the second transmission surface, and provides an outer end to be used for being in contact with an object to be detected;
wherein, the transmission path of the conversion device is set as follows: when the backward transmission assembly contacts with the object to be measured and moves, the distance change generated before and after the movement is transmitted to the turning transmission block through the outer end and then transmitted to the movable measuring head of the dial indicator through the turning transmission block.
2. The conversion machine of claim 1 wherein said reverse rear drive assembly includes a rear moving measurement head having said rear inner end held in sliding contact with said second drive surface by a first resilient member.
3. The transfer apparatus defined in claim 2, wherein said reverse drive assembly further comprises a moving metering rod, said moving metering rod being a separate component from and in contact with said rear moving metering head, said moving metering rod having said outer end and being configured to be replaceable with another moving metering rod.
4. The conversion assemblage according to claim 2, wherein said rear movement measuring head is in sliding contact with said second driving surface through a spherical surface.
5. The transition device of claim 1, further comprising a pre-reversal drive assembly slidably disposed in the first channel and providing a forward inner end in sliding contact with the first drive surface.
6. The transition device defined in claim 5, wherein the forward drive assembly further comprises a forward movement measuring head having the forward inner end and held in sliding contact with the first drive surface by a second resilient member, the other end of the forward movement measuring head being in contact with the movable probe of the dial indicator.
7. The transition device defined in claim 6, wherein the forward motion measurement head is in sliding contact with the first drive surface via a spherical surface.
8. The conversion equipment of claim 1, wherein the dial indicator mounting part comprises a locking ring for passing through a bushing of the dial indicator and a locking screw screwed from outside an annular wall of the locking ring and abutting against the bushing.
9. The transition device defined in claim 1, wherein the first angle is in the range of 90 ° to 150 °, and the second angle is 180 ° -the first angle.
10. The transducer apparatus of claim 1, wherein the first axis is equidistant from the center of oscillation as the second axis is equidistant from the center of oscillation.
CN202021233327.0U 2020-06-29 2020-06-29 Change conversion equipment of percentage table measurement direction Active CN212109847U (en)

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CN202021233327.0U CN212109847U (en) 2020-06-29 2020-06-29 Change conversion equipment of percentage table measurement direction

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CN202021233327.0U CN212109847U (en) 2020-06-29 2020-06-29 Change conversion equipment of percentage table measurement direction

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113483615A (en) * 2021-06-25 2021-10-08 东风柳州汽车有限公司 Auto parts detects structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113483615A (en) * 2021-06-25 2021-10-08 东风柳州汽车有限公司 Auto parts detects structure
CN113483615B (en) * 2021-06-25 2022-09-30 东风柳州汽车有限公司 Auto parts detects structure

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