CN206514779U - A kind of clearance measurement tool - Google Patents
A kind of clearance measurement tool Download PDFInfo
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- CN206514779U CN206514779U CN201720083477.XU CN201720083477U CN206514779U CN 206514779 U CN206514779 U CN 206514779U CN 201720083477 U CN201720083477 U CN 201720083477U CN 206514779 U CN206514779 U CN 206514779U
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- measurement
- baseline rod
- clearance
- probe
- tool
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Abstract
The utility model discloses a kind of clearance measurement tool, it is related to engine assembly technical field.The clearance measurement tool includes baseline rod (1), measurement probe (2) and measurement table;The baseline rod (1) is provided with the through hole at connection two ends in length direction, and the outside of baseline rod (1) is provided with positioning boss (11);The measurement probe (2) through hole internal with the baseline rod (1) is slidably matched;The measurement table is arranged on one end of the baseline rod (1), and the measurement bar of the measurement table is connected with one end of the measurement probe (2).The utility model has the advantage of:The utility model realizes speed probe and installs end face and the measurement of rotating speed gear clearance, and its measurement accuracy is high, and installation and removal are easy, safe and reliable, it is easy to accomplish.
Description
Technical field
The utility model is related to engine assembly technical field, and in particular to a kind of clearance measurement tool.
Background technology
Big bypass ratio aero-engine measures the rotating speed of fan propeller by speed probe, to ensure speed probe
Measured value by mounting and adjusting pad precisely, it is necessary to ensure the gap between speed probe and rotating speed gear.And calculate adjustment
Mat thickness needs to measure speed probe end face to the distance of rotating speed gear.Because speed probe installation site is deeper, it is impossible to
Measured by conventional meanses, the past never have a kind of effective survey tool come protect measurement they between gap, survey
Amount method is also constantly in space state.
Existing measuring method is measured with depth gauge rule, and the measuring method precision is low, it is impossible to which the accurate response back of the body is tested
The actual value at position.
Utility model content
The purpose of this utility model is to provide a kind of clearance measurement tool, is deposited with solving or at least mitigating in background technology
At least one at the problem of.
The technical solution adopted in the utility model is:A kind of clearance measurement tool is provided, comprising baseline rod, measurement probe and
Measurement table;
The baseline rod is provided with the through hole at connection two ends in length direction, and the outside of baseline rod is provided with positioning boss;
The measurement probe is slidably matched with the through hole inside the baseline rod;
The measurement table is arranged on one end of the baseline rod, the measurement bar of the measurement table and the one of the measurement probe
End connection.
Preferably, the described one end of measurement probe away from the measurement table is set to conical structure, the conical structure
The big end of circular cone is close to the measurement table, and the circular cone small end of the conical structure is away from the measurement table.
Preferably, the end face of the circular cone small end of the conical structure is set to sphere.
Preferably, the clearance measurement tool also includes nut;The through hole set on the baseline rod is close comprising two sections
One end of the measurement table is set to screwed hole, and one end away from the measurement table is set to unthreaded hole;The measurement table passes through institute
Nut is stated on the baseline rod.
Preferably, the positioning boss includes two, and two positioning boss are put down in the length direction of the baseline rod
Row is set.
Preferably, the measurement probe is removably connected with the measurement bar of the measurement table.
Preferably, the clearance measurement tool also includes copper sheathing, and the unthreaded hole of the copper sheathing and the baseline rod coordinates, described
Probe is measured to be arranged in the copper sheathing.
Preferably, the clearance measurement tool also includes positioning knob, and the positioning knob is arranged on the baseline rod
On the wall of side, the position for fixing the measurement probe.
Preferably, pure copper material or non-metallic material are selected in the contact site of the positioning knob and the measurement probe
Material.
The beneficial effects of the utility model are:
The utility model realizes speed probe and installs end face and the measurement of rotating speed gear clearance, and its measurement accuracy
Height, installation and removal are easy, safe and reliable, it is easy to accomplish.
Brief description of the drawings
Fig. 1 is the schematic diagram of the clearance measurement tool of the embodiment of the utility model one.
Schematic diagram when Fig. 2 is the clearance measurement tool zeroing shown in Fig. 1.
Fig. 3 is schematic diagram of the clearance measurement tool in measurement shown in Fig. 1.
Wherein, 1- baseline rods, 2- measurement probes, 11- positioning boss, 3- nuts, 4- rotating speed gears, 5- benchmark are fast, and 6- is put down
Platform.
Embodiment
To make the purpose, technical scheme and advantage of the utility model implementation clearer, below in conjunction with the utility model
Accompanying drawing in embodiment, the technical scheme in the utility model embodiment is further described in more detail.In the accompanying drawings, from beginning
Same or similar element or element with same or like function are represented to same or similar label eventually.Described reality
It is a part of embodiment of the utility model to apply example, rather than whole embodiments.The embodiment described below with reference to accompanying drawing
It is exemplary, it is intended to for explaining the utility model, and it is not intended that to limitation of the present utility model.It is new based on this practicality
Embodiment in type, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of the utility model protection.Embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer " is based on accompanying drawing institutes
The orientation or position relationship shown, is for only for ease of description the utility model and simplifies description, rather than indicate or imply and be signified
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this practicality
The limitation of novel protected scope.
As shown in Figure 1 to Figure 3, a kind of clearance measurement tool, includes baseline rod 1, measurement probe 2 and measurement table;Baseline rod 1
Length direction is provided with the through hole at connection two ends, the outside of baseline rod 1 is provided with positioning boss 11;Measure probe 2 and benchmark
Through hole inside bar 1 is slidably matched;The measurement table is arranged on one end of baseline rod 1, the measurement bar of the measurement table and measurement
One end connection of probe 2.Measuring sliding distance of the probe 2 in the through hole of baseline rod 1 can be observed by measurement table, to realize
The measurement of small―gap suture.Measurement probe 2 could be arranged to the less cylindrical bar of diameter, can by the positioning of outside positioning boss 11
To realize the measurement of deep place gap width, by change vertical in measurement table, gap width is accurately determined.
In the present embodiment, the one end of measurement probe 2 away from the measurement table is set to conical structure, the conical structure
The big end of circular cone close to the measurement table, the circular cone small end of the conical structure is away from the measurement table.It the advantage is that, circular cone
The small end of structure is with by contacts side surfaces, reducing contact area, it is to avoid measurement probe influences because of end face out-of-flatness measurement to tie
The accuracy of fruit, measurement result is more accurate.
Specifically, in the present embodiment, the end face of the circular cone small end of the conical structure is set to sphere.It may be appreciated
It is that the small end of the conical structure is it can also be provided that planar structure, the plane of the planar structure finds to visit with the measurement
The diameter parallel of pin.
In the present embodiment, the clearance measurement tool also includes nut 3;The through hole set on baseline rod 1 includes two sections,
One end close to the measurement table is set to screwed hole, and one end away from the measurement table is set to unthreaded hole, and the hole of screwed hole
Footpath is more than the diameter of unthreaded hole;The measurement table is arranged on baseline rod 1 by nut 3.It the advantage is that, be convenient for measuring table more
Change and repair.It is understood that according to the demand of measurement accuracy, measurement table can select dial gauge or amesdial.
In the present embodiment, positioning boss 11 includes two, and two positioning boss 11 are parallel in the length direction of baseline rod 1
Set.It the advantage is that, can be coordinated by positioning boss 11 with measured hole and positioned, prevent the run-off the straight of baseline rod 1, influence is surveyed
Accuracy of measurement.Annular groove is formed between two positioning boss 11, two positioning boss 11 by setting, the weight of baseline rod 1 is alleviated
Amount.It is understood that 1 positioning boss 11 can also be set, chi of the increase positioning boss 11 in the length direction of baseline rod 1
It is very little, it the advantage is that easy to process, the intensity of baseline rod 1 can be strengthened.
In the present embodiment, measurement probe 2 is removably connected with the measurement bar of the measurement table.Its advantage exists
In measurement probe 2 can realize that single-piece is separated with measurement table, and single-piece maintenance is changed.
It is understood that the clearance measurement tool can also include copper sheathing.For example, in an alternative embodiment,
The unthreaded hole of the copper sheathing and baseline rod 1 coordinates, and measurement probe 2 is arranged in the copper sheathing.It the advantage is that, copper sheathing has more preferable
Wearability, can prevent from measuring the skimming wear between probe 2 and baseline rod 1, improve measurement accuracy.
It is understood that the clearance measurement tool also includes positioning knob.For example, in an alternative embodiment,
The positioning knob is arranged on the side wall of baseline rod 1, and the axis of positioning knob is vertical with the axis for measuring probe 2, positioning rotation
Button is connected by screw thread with baseline rod 1, the position for fixing the measurement probe 2.Positioning knob and the contact for measuring probe 2
Position can select pure copper material or nonmetallic materials.It the advantage is that, pure copper material and nonmetallic materials material are softer, no
Can damage measurement probe 2.
For example, when need measurement speed probe to the distance between rotating speed gear be to put benchmark fast 5 before clearance measurement
In on platform 6, and reference block is set to be brought into close contact gapless with platform.The leading portion of clearance measurement tool of the present utility model is inserted
In reference block mesopore, the table bar for pressing dial gauge upper end gently, it is flat that table bar promotes measurement probe measurement probe is touched
Platform plane, as shown in Fig. 2 then the reading of dial gauge is adjusted to 0 by adjustment dial plate.
Clearance measurement tool of the present utility model is put into speed probe installation site after the completion of adjustment to measure, such as
Shown in Fig. 3.The table bar of dial gauge upper end is gently pressed, measurement probe is touched the surface of tested rotating speed gear 4.Now may be used
To directly read data A from dial gauge, then A and the fast thickness data of benchmark add up to speed probe install end face to turn
The distance between fast gear M.Then the thickness of mounting and adjusting pad can be drawn by specifically calculating.
It is last it is to be noted that:Above example is only limited to illustrate the technical solution of the utility model, rather than to it
System.Although the utility model is described in detail with reference to the foregoing embodiments, one of ordinary skill in the art should manage
Solution:It can still be modified to the technical scheme described in foregoing embodiments, or which part technical characteristic is entered
Row equivalent substitution;And these modifications or replacement, the essence of appropriate technical solution is departed from each embodiment of the utility model
The spirit and scope of technical scheme.
Claims (9)
1. a kind of clearance measurement tool, it is characterised in that:Include baseline rod (1), measurement probe (2) and measurement table;
The baseline rod (1) is provided with the through hole at connection two ends in length direction, and the outside of baseline rod (1) is provided with positioning boss
(11);
The measurement probe (2) through hole internal with the baseline rod (1) is slidably matched;
The measurement table is arranged on one end of the baseline rod (1), the measurement bar of the measurement table and the measurement probe (2)
One end is connected.
2. clearance measurement tool as claimed in claim 1, it is characterised in that:The measurement probe (2) is away from the measurement table
One end be set to conical structure, the big end of circular cone of the conical structure is close to the measurement table, the circular cone of the conical structure
Small end is away from the measurement table.
3. clearance measurement tool as claimed in claim 2, it is characterised in that:The end face of the circular cone small end of the conical structure is set
It is set to sphere.
4. clearance measurement tool as claimed in claim 3, it is characterised in that:The clearance measurement tool also includes nut (3);
The through hole set on the baseline rod (1) includes two sections, and one end close to the measurement table is set to screwed hole, is surveyed away from described
One end of scale is set to unthreaded hole;The measurement table is arranged on the baseline rod (1) by the nut (3).
5. clearance measurement tool as claimed in claim 4, it is characterised in that:The positioning boss (11) includes two, two
The positioning boss (11) be arranged in parallel in the length direction of the baseline rod (1).
6. clearance measurement tool as claimed in claim 5, it is characterised in that:The measurement probe (2) and the measurement table
Measurement bar is removably connected.
7. clearance measurement tool as claimed in claim 6, it is characterised in that:The clearance measurement tool also includes copper sheathing, institute
The unthreaded hole for stating copper sheathing and the baseline rod (1) coordinates, and the measurement probe (2) is arranged in the copper sheathing.
8. clearance measurement tool as claimed in claim 7, it is characterised in that:The clearance measurement tool is also comprising positioning rotation
Button, the positioning knob is arranged on the side wall of the baseline rod (1), the position for fixing the measurement probe (2).
9. clearance measurement tool as claimed in claim 8, it is characterised in that:The positioning knob and the measurement probe (2)
Contact site select pure copper material or nonmetallic materials.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720083477.XU CN206514779U (en) | 2017-01-23 | 2017-01-23 | A kind of clearance measurement tool |
Applications Claiming Priority (1)
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CN201720083477.XU CN206514779U (en) | 2017-01-23 | 2017-01-23 | A kind of clearance measurement tool |
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CN206514779U true CN206514779U (en) | 2017-09-22 |
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ID=59865749
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CN201720083477.XU Active CN206514779U (en) | 2017-01-23 | 2017-01-23 | A kind of clearance measurement tool |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107883846A (en) * | 2017-12-27 | 2018-04-06 | 广西玉柴机器股份有限公司 | Crankshaft sensor lash adjusting device and its method of adjustment |
-
2017
- 2017-01-23 CN CN201720083477.XU patent/CN206514779U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107883846A (en) * | 2017-12-27 | 2018-04-06 | 广西玉柴机器股份有限公司 | Crankshaft sensor lash adjusting device and its method of adjustment |
CN107883846B (en) * | 2017-12-27 | 2023-08-22 | 广西玉柴机器股份有限公司 | Crankshaft sensor clearance adjusting device and adjusting method thereof |
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