阅读说明：本技术 一种叶尖高度检测装置 (A kind of blade tip height detecting device ) 是由 侯飞龙 种妮 张义德 刘金凤 蒲海龙 杜家燕 豆雷红 马清妍 于 2019-08-30 设计创作，主要内容包括：本发明公开了一种叶尖高度检测装置,包括底座、装夹单元以及滑块测量单元；底座上安装有装夹单元；装夹单元用于将叶片与滑块测量单元固定连接；滑块测量单元安装在底座上,用于测量叶片的叶尖高度。本发明采用圆弧对表面的方式进行对表,推动滑块沿着圆弧形限位块法向进行推表测量,实现叶尖全截面检测。本发明理论上可以检测到叶尖截面的每一个位置,在检测过程中,可以根据叶片的检测要求,选择叶尖局部抽检或者叶尖全截面检测的方法两种检测方式进行检测,在保证检测精度的同时,提高了发动机叶片的检测检效率。(The invention discloses a kind of blade tip height detecting devices, including pedestal, clamping unit and sliding block measuring unit；Clamping unit is installed on pedestal；Clamping unit is for blade to be fixedly connected with sliding block measuring unit；Sliding block measuring unit is mounted on the base, for measuring the blade tip height of blade.The present invention carries out pushing sliding block to carry out pushing away table measurement along arc-shaped limited block normal direction to table, realizing the detection of blade tip total cross-section in such a way that circular arc is to surface.The present invention theoretically can detecte each position in blade tip section, in the detection process, it can be according to the testing requirements of blade, locally two kinds of detection modes of method of sampling observation or the detection of blade tip total cross-section are detected selection blade tip, while guaranteeing detection accuracy, the detection inspection efficiency of engine blade is improved.)

1. a kind of blade tip height detecting device characterized by comprising

Pedestal (2), pedestal are equipped with clamping unit on (2)；

Clamping unit, clamping unit is for blade (6) to be fixedly connected with sliding block measuring unit (8)；

Sliding block measuring unit (8), sliding block measuring unit (8) are mounted on pedestal (2), for measuring the blade tip height of blade (6).

2. blade tip height detecting device according to claim 1, which is characterized in that clamping unit includes mounting blocks (3), lives Save bolt (4) and withstanding tight block (5)；Mounting blocks (3) are fixedly mounted on the top of pedestal (2), and eyelet bolt (4) is by mounting blocks (3) top penetrates, and lower part is pierced by, and withstanding tight block (5) is installed in the bottom of eyelet bolt (4).

3. blade tip height detecting device according to claim 1, which is characterized in that further include arc-shaped limit block (1), arc Limited block (1) is mounted on pedestal (2), limits the position of sliding block (8) when detecting, when so that pushing away table detection every time, the inspection of (8) Location is set in blade tip theoretical level.

4. blade tip height detecting device according to claim 3, which is characterized in that be provided on arc-shaped limit block (1) pair Table block (7), after blade (6) is connect with sliding block measuring unit (8) clamping, in carrying out to table on surface to table block (7).

5. blade tip height detecting device according to claim 1, which is characterized in that sliding block measuring unit (8) includes sliding block (8-1), connector (8-2), measuring block (8-3), pressure table block (8-4), dress dial framework (8-5) and spring (8-6)；Wherein fill dial framework (8-5) and connector (8-2) are mounted on sliding block (8-1), and spring (8-6) is mounted on measuring block (8-3), measuring block (8-3) It is mounted on connector (8-2) with pressure table block (8-4).

[technical field]

The present invention relates to a kind of blade tip height detecting devices.

[background technique]

With the development of aeronautical technology, the requirement of engine blade blade tip height dimension is further stringent, between blade and casing The too large or too small performance that can all influence engine in gap.Currently, the detection method of engine blade, it can only be to blade The fixed point of blade tip is detected, and cannot detect the height dimension in entire blade tip section.It is existing due to detecting the limitation of position Some detection methods are easy to cause the inconsistent of blade tip height dimension, be easy to cause blade tip test point qualified, non-detection point Overproof situation occurs

[summary of the invention]

It is an object of the invention to overcome the above-mentioned prior art, a kind of blade tip height detecting device is provided.

In order to achieve the above objectives, the present invention is achieved by the following scheme:

A kind of blade tip height detecting device, comprising:

Pedestal is equipped with clamping unit on pedestal；

Clamping unit, clamping unit is for blade to be fixedly connected with sliding block measuring unit；

Sliding block measuring unit, sliding block measuring unit are mounted on the base, for measuring the blade tip height of blade.

A further improvement of the present invention lies in that:

Clamping unit includes mounting blocks, eyelet bolt and withstanding tight block；Mounting blocks are fixedly mounted on the top of pedestal, movable joint Bolt is penetrated by the top of mounting blocks, and lower part is pierced by, and withstanding tight block is installed in the bottom of eyelet bolt.

It further include arc-shaped limit block, arc-shaped limit block is mounted on the base, and the position of sliding block is limited when detecting, so that often It is secondary push away table detection when, detection position in blade tip theoretical level.

Be provided on arc-shaped limit block to table block, after blade is connect with sliding block measuring unit clamping, to table block to table It carries out on face to table.

Sliding block measuring unit includes sliding block, connector, measuring block, pressure table block, dress dial framework and spring；Wherein dress dial framework and Connector is mounted on sliding block, and spring is mounted on measuring block, and measuring block and pressure table block are mounted on connector.

Compared with prior art, the invention has the following advantages:

The present invention carries out pushing sliding block to be pushed away along arc-shaped limited block normal direction in table in such a way that circular arc is to surface The detection of blade tip total cross-section is realized in table measurement.The present invention theoretically can detecte each position in blade tip section, detect Cheng Zhong can select blade tip locally two kinds of method detections of sampling observation or the detection of blade tip total cross-section according to the testing requirements of blade Mode is detected, and while guaranteeing detection accuracy, improves the detection inspection efficiency of engine blade.

[Detailed description of the invention]

Fig. 1 is overall structure diagram of the invention；

Fig. 2 is the side view of Fig. 1；

Fig. 3 is structural schematic diagram of the present invention to table block；Wherein, (a) is main view, (b) is top view；

The structural schematic diagram of the position Fig. 4 present invention slider measuring unit；Wherein, (a) is main view, (b) is A-A cross-sectional view, (c) it is A-A cross-sectional view, (d) is right view, (e) is top view.

Wherein: 1- arc-shaped limit block；2- pedestal；3- mounting blocks；4- eyelet bolt；5- withstanding tight block；6- blade；7- is to table Block；8- sliding block measuring device.

[specific embodiment]

In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only The embodiment of a part of the invention, the embodiment being not all of, and it is not intended to limit range disclosed by the invention.In addition, with In lower explanation, descriptions of well-known structures and technologies are omitted, obscures concept disclosed by the invention to avoid unnecessary.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment should fall within the scope of the present invention.

The various structural schematic diagrams for disclosing embodiment according to the present invention are shown in the attached drawings.These figures are not in proportion It draws, wherein some details are magnified for the purpose of clear expression, and some details may be omitted.As shown in the figure The shape in various regions, layer and relative size, the positional relationship between them out is merely exemplary, in practice may be due to Manufacturing tolerance or technical restriction and be deviated, and those skilled in the art may be additionally designed as required have not Similar shape, size, the regions/layers of relative position.

In context disclosed by the invention, when one layer/element is referred to as located at another layer/element "upper", the layer/element Can may exist intermediate layer/element on another layer/element or between them.In addition, if in a kind of court One layer/element is located at another layer/element "upper" in, then when turn towards when, the layer/element can be located at another layer/ Element "lower".

It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, " Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover Cover it is non-exclusive include, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product Or other step or units that equipment is intrinsic.

The invention will be described in further detail with reference to the accompanying drawing:

Referring to Fig. 1-3, blade tip height detecting device of the present invention, including pedestal 2, clamping unit, sliding block measuring unit 8 and Arc-shaped limit block 1；Arc-shaped limit block 1 is mounted on pedestal 2, limits the position of sliding block (8) when detecting, so that pushing away table inspection every time When survey, the detection position of (8) is in blade tip theoretical level；Clamping unit is installed on pedestal 2；Clamping unit be used for by blade 6 with Sliding block measuring unit 8 is fixedly connected；Sliding block measuring unit 8 is mounted on pedestal 2, for measuring the blade tip height of blade 6.Clamping Unit includes mounting blocks 3, eyelet bolt 4 and withstanding tight block 5；Mounting blocks 3 are fixedly mounted on the top of pedestal 2, eyelet bolt 4 by The top of mounting blocks 3 penetrates, and lower part is pierced by, and withstanding tight block 5 is installed in the bottom of eyelet bolt 4.It is provided on arc-shaped limit block 1 pair Table block 7, after blade 6 is connect with 8 clamping of sliding block measuring unit, in carrying out to table on surface to table block 7.Sliding block measuring unit 8 include sliding block 8-1, connector 8-2, measuring block 8-3, pressure table block 8-4, dress dial framework 8-5 and spring 8-6；Wherein fill dial framework 8- 5, connector 8-2 is mounted on sliding block 8-1, and spring 8-6 is mounted on measuring block 8-3, and measuring block 8-3, pressure table block 8-4 are mounted on On connector 8-2.When to table, dial gauge be mounted on dress dial framework 8-5 on, push measuring unit, to table block 7 to right on surface Table, squeezes spring 8-6 when measuring block 8-3 is to table, spring 8-6 moves back pressure dial gauge, adjustment dial plate to zero.When detection, pushes and survey Amount unit is close to position limitation arc block 1 to normal direction corresponding to any blade tip detection position and is close to, and meter reading obtains the inspection of the detection position Survey result.

The present invention is connected by the clamping that mounting blocks 3, eyelet bolt 4, withstanding tight block 5 realize blade 6 and sliding block measuring unit Connect, after fixed, to table block 7 to carrying out pushing sliding block 8-1 to push away table along 1 normal direction of arc-shaped limit block, to leaf in table on surface It is detected any position of point.

The invention avoids the defect when detection of blade tip height fixed point, each sizes in energy complete detection blade tip section. Table structure is pushed away using sliding block, simple to sheet form, detection is simple, it is ensured that blade tip height dimension is qualified on blade tip total cross-section. Structure of the invention is compact, and clamping is easy to operate, and maintenance is simple, reduces crop leaf measuring cost, improves detection efficiency.The present invention It can effectively solve the problems, such as the blade tip height dimension in the blade manufacturing, tooling quantity is few, structure is simple, can be effectively save Cost of labor in detection process, the device is easy to operate, improves detection efficiency；Crop leaf measuring effect can be improved using this device Rate is increased economic efficiency.

The above content is merely illustrative of the invention's technical idea, and this does not limit the scope of protection of the present invention, all to press According to technical idea proposed by the present invention, any changes made on the basis of the technical scheme each falls within claims of the present invention Protection scope within.