CN208254388U - A kind of ground experiment measuring device - Google Patents
A kind of ground experiment measuring device Download PDFInfo
- Publication number
- CN208254388U CN208254388U CN201820959651.7U CN201820959651U CN208254388U CN 208254388 U CN208254388 U CN 208254388U CN 201820959651 U CN201820959651 U CN 201820959651U CN 208254388 U CN208254388 U CN 208254388U
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- Prior art keywords
- centering
- engine
- thrust
- mandrel
- centering plate
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Abstract
The utility model discloses a kind of ground experiment measuring device, including thrust wall, the regulating mechanism for adjusting upper and lower, left and right is installed on thrust wall, regulating mechanism is connected with centering plate, and centering plate center is equipped with centring hole；The device is additionally provided with motor support mechanism, thrust transition frame and centering testing agency are additionally provided between supporting mechanism and centering plate, thrust transition frame one end is positioned with engine end, the other end is connect with centering testing agency, centering detection device includes pedestal, axle sleeve and mandrel, wherein pedestal is fixedly connected with axle sleeve, and mandrel is actively socketed in axle sleeve, is cooperatively connected close to centering plate end and centring hole.The device can adjust engine axis and thrust measurement component is coaxial, realize rapid efficient detection, easy to operate, and detection can be completed in 10min every time, at least save 50% labour, and greatly improve precision, coaxial precision reaches 0.5mm.
Description
Technical field
The utility model tries engineering device technique field with belonging to engine, and in particular to a kind of ground experiment measuring device.
Background technique
In solid propellant rocket development, production process, need to examine the structure of each component of engine by ground experiment
Integrality measures the parameters such as pressure, thrust, the temperature of engine working process, and wherein motor power measurement is most important,
It is mainly used for judging the energy response of engine.
When engine carries out ground run, motor power is evaluated by test axial thrust, to ensure engine shaft
To thrust measuring accuracy, after engine installs fixation on running support, it need to guarantee that engine axis and thrust measurement component are (main
It is thrust pickup) axis is consistent.
Currently, using measurers such as Steel Ruler, steel tapes, measuring engine axis after engine is installed in place and thrust being surveyed
Measure the concentricity of component.The process operating process is complicated, and efficiency is lower, and each time of measuring about needs 3h, if concentricity
It is unsatisfactory for requiring, needs to re-measure after adjusting thrust measurement component, until concentricity is met the requirements.
Summary of the invention
In order to solve the above-mentioned technical problem, the utility model provides a kind of ground experiment measuring device, realizes quickly detection
Engine axis and thrust measurement component concentricity, and it is easy to operate.
Technical solution adopted in the utility model is a kind of ground experiment measuring device, including thrust wall, on thrust wall
Regulating mechanism for adjusting upper and lower, left and right is installed, regulating mechanism is connected with centering plate, and centering plate center is equipped with centering
Hole；The device is additionally provided with motor support mechanism, and thrust transition frame and centering detection are additionally provided between supporting mechanism and centering plate
Mechanism, thrust transition frame one end are positioned with engine end, and the other end is connect with centering testing agency, centering detection device
Including pedestal, axle sleeve and mandrel, wherein pedestal is fixedly connected with axle sleeve, and mandrel is actively socketed in axle sleeve, close to centering plate
End is cooperatively connected with centring hole.
Further, the regulating mechanism is triple layer designs, and one layer is fixedly connected with thrust wall, another layer and centering plate
It is fixedly connected, middle layer and two sides layer contact surface are provided with matching oat tail groove structure, wherein one group of oat tail groove structure water
Flat setting, another group of oat tail groove structure are vertically arranged；Between the regulating mechanism and centering plate by step position, centring hole with
Concentricity≤0.05mm of step.
Further, the supporting mechanism includes running support, which is provided with the arc-shaped seat for being used to support engine, running support
Two sides be equipped with load pier, above the load pier of two sides between portal frame is installed, portal frame is radially limited by pair of rollers engine
Position.
Further, two load piers and a portal frame constitute one group of position-limit mechanism, which includes two groups of limits
Position mechanism, and the distance between two groups of position-limit mechanisms are less than the length of engine.
Further, the thrust transition frame includes forward flange, rear flange, column and reinforcing rib, wherein forward flange with it is right
The connection of middle testing agency, rear flange are equipped with positioning step, realize and are located by connecting with engine end, forward flange and rear flange it
Between connected by more root posts, between more root posts be equipped with reinforcing rib.
Further, forward flange center is equipped with location hole, and the concentricity of location hole and rear flange positioning step≤
0.05mm；Rear flange positioning step and engine concentricity≤0.05mm；Forward flange flatness≤0.10mm.
Further, the pedestal and forward flange joint face have the end face step with location hole cooperation, location hole and end face
Concentricity≤0.05mm of step, coating lubricating oil on mandrel；Concentricity≤0.05mm of mandrel and end face step.
Further, the diameter of the mandrel is Φ 80mm-0.05 -0.15, 0.8 μm of roughness；The diameter of centring hole is Φ
80mm+0.05 0, 1.6 μm of roughness.
Further, stiffening plate is also welded between the pedestal and axle sleeve, and centering detection device uses 30CrMnSi
Material preparation.
The application method of the utility model is positioned by Engine Hoisting on supporting mechanism by supporting mechanism, so
Afterwards in its front end face installed thrust transition frame, thrust transition frame connects centering testing agency, then adjusts the core of centering testing agency
Whether axis, centering plate can freely be entered and left by seeing, when cannot freely enter and leave, the position of centring hole is adjusted by regulating mechanism, until
It meets the requirements；Finally disassembly centering testing agency and centering plate, the installed thrust sensor on regulating mechanism, with carrying out engine
Interview is tested.
The device can adjust engine axis and thrust measurement component is coaxial, realize rapid efficient detection, easy to operate, often
Secondary detection can be completed in 10min, at least save 50% labour, and greatly improve precision, and coaxial precision reaches
0.5mm。
Detailed description of the invention
Fig. 1 is the structural schematic diagram of utility model device.
Specific embodiment
Further illustrate the utility model below with reference to embodiment, but the range of the requires of the utility model protection not office
It is limited to the range of embodiment statement.
As shown in Figure 1, a kind of ground experiment measuring device, including thrust wall 1, be equipped on thrust wall for adjusting,
Under, left and right regulating mechanism 2, regulating mechanism is connected with centering plate 3, and centering plate center is equipped with centring hole 4；The device is additionally provided with
Motor support mechanism 5 is additionally provided with thrust transition frame 6 and centering testing agency 7, thrust transition between supporting mechanism and centering plate
Frame one end is positioned with 8 front end of engine, and the other end is connect with centering testing agency, and centering detection device includes pedestal
71, axle sleeve 72 and mandrel 73, wherein pedestal is fixedly connected with axle sleeve, and mandrel is actively socketed in axle sleeve, close to centering plate end
It is cooperatively connected with centring hole.
Preferably in scheme, the regulating mechanism is triple layer designs, and one layer is fixedly connected with thrust wall, another layer with it is right
Middle plate is fixedly connected, and middle layer and two sides layer contact surface are provided with matching oat tail groove structure, wherein one group of dovetail groove knot
Structure is horizontally disposed, and another group of oat tail groove structure is vertically arranged；It is positioned between the regulating mechanism and centering plate by step, centering
Concentricity≤the 0.05mm in hole and step.
Preferably in scheme, the supporting mechanism includes running support 51, which is provided with the arc-shaped seat for being used to support engine,
Convenient for limiting to engine, the two sides of running support are equipped with load pier 52, install portal frame between the load pier top of two sides
53, portal frame is radially limited by pair of rollers engine.Load pier to above and below running support, left and right directions limit.Running support is equipped with
Idler wheel facilitates the ground experiment in later period.
Further, two load piers and a portal frame constitute one group of position-limit mechanism, which includes two groups of limits
Position mechanism, and the distance between two groups of position-limit mechanisms are less than the length of engine.
Preferably in scheme, the thrust transition frame includes forward flange 61, rear flange 62, column 63 and reinforcing rib 64,
Middle forward flange is connect with centering testing agency, and rear flange is equipped with positioning step, is realized and is located by connecting with engine end, preceding method
It is connected between blue and rear flange by more root posts, reinforcing rib is equipped between more root posts.
Further, forward flange center is equipped with location hole, and the concentricity of location hole and rear flange positioning step≤
0.05mm；Rear flange positioning step and engine concentricity≤0.05mm；Forward flange flatness is not more than 0.10mm.
Further, the pedestal and forward flange joint face have the end face step with location hole cooperation, location hole and end face
Concentricity≤0.05mm of step, coating lubricating oil on mandrel；Concentricity≤0.05mm of mandrel and end face step.
Preferably in scheme, the diameter of the mandrel is Φ 80mm-0.05 -0.15, 0.8 μm of roughness；The diameter of centring hole is
Φ80mm+0.05 0, 1.6 μm of roughness.
Preferably in scheme, stiffening plate 74 is also welded between the pedestal and axle sleeve, and centering detection device uses
The preparation of 30CrMnSi material.
The application method of above-mentioned apparatus is positioned by Engine Hoisting on supporting mechanism by supporting mechanism, then
In its front end face installed thrust transition frame, thrust transition frame connects centering testing agency, then adjusts the mandrel of centering testing agency,
Whether can freely enter and leave centering plate, when cannot freely enter and leave, the position of centring hole is adjusted by regulating mechanism if seeing, until meeting
It is required that；Centering testing agency and centering plate are finally dismantled, the installed thrust sensor on regulating mechanism carries out engines ground examination
It tests.
Certain rocket engine ground test uses the device, by adjusting the device ensures engine and thrust measurement component are same
Axis degree is met the requirements, and has passed through ground experiment, achieves success, and experimental test data and design objective coincide.With tradition
Method is compared, and is compared, is had the effect that with existing way
1, improving efficiency to foreshorten within 10min from original 3h can be completed；
2, the original measurement method of human cost (measures engine axis using Steel Ruler or steel tape etc. and thrust is surveyed
Measure the concentricity of component) need 4 people to work at the same time, present 2 work at the same time and can be easily accomplished task；
3, the original precision of precision can only achieve 2mm, and precision after the present apparatus is used to can achieve 0.5mm.
The above embodiments are only the optimal technical scheme of the utility model, and are not construed as the limit for the utility model
System, the technical solution that the protection scope of the utility model should be recorded with claim, the technical solution recorded including claim
The equivalents of middle technical characteristic are protection scope.Equivalent replacement i.e. within this range is improved, also in the utility model
Protection scope within.
Claims (9)
1. a kind of ground experiment measuring device, which is characterized in that including thrust wall, be equipped on thrust wall for adjust it is upper and lower,
Left and right regulating mechanism, regulating mechanism are connected with centering plate, and centering plate center is equipped with centring hole；The device is additionally provided with engine
Supporting mechanism, is additionally provided with thrust transition frame and centering testing agency between supporting mechanism and centering plate, thrust transition frame one end with
Engine end is positioned, and the other end is connect with centering testing agency, and centering detection device includes pedestal, axle sleeve and mandrel,
Wherein pedestal is fixedly connected with axle sleeve, and mandrel is actively socketed in axle sleeve, is cooperatively connected close to centering plate end and centring hole.
2. the apparatus according to claim 1, it is characterised in that: the regulating mechanism is triple layer designs, one layer and thrust
Wall is fixedly connected, and another layer is fixedly connected with centering plate, and middle layer and two sides layer contact surface are provided with matching dovetail groove
Structure, wherein one group of oat tail groove structure is horizontally disposed, another group of oat tail groove structure is vertically arranged；The regulating mechanism and centering plate
Between pass through step position, concentricity≤0.05mm of centring hole and step.
3. the apparatus according to claim 1, it is characterised in that: the supporting mechanism includes running support, which is provided with and is used for
The arc-shaped seat of engine is supported, the two sides of running support are equipped with load pier, install portal frame, gantry between the load pier top of two sides
Frame is radially limited by pair of rollers engine.
4. device according to claim 3, it is characterised in that: two load piers and a portal frame constitute one group of limit
Position mechanism, which includes two groups of position-limit mechanisms, and the distance between two groups of position-limit mechanisms are less than the length of engine.
5. the apparatus according to claim 1, it is characterised in that: the thrust transition frame includes forward flange, rear flange, column
And reinforcing rib, wherein forward flange is connect with centering testing agency, and rear flange is equipped with positioning step, and it is fixed to realize with engine end
Position connection, is connected between forward flange and rear flange by more root posts, and reinforcing rib is equipped between more root posts.
6. device according to claim 5, it is characterised in that: forward flange center is equipped with location hole, location hole and rear method
Concentricity≤0.05mm of blue positioning step；Rear flange positioning step and engine concentricity≤0.05mm；Forward flange flatness
≤0.10 mm。
7. device according to claim 6, it is characterised in that: the pedestal and forward flange joint face have and location hole cooperation
End face step, concentricity≤0.05mm of location hole and end face step, coating lubricating oil on mandrel；Mandrel and end face step
Concentricity≤0.05mm.
8. the apparatus according to claim 1, it is characterised in that: the diameter of the mandrel is Φ 80mm-0.05 -0.15, roughness
0.8μm；The diameter of centring hole is Φ 80mm+0.05 0, 1.6 μm of roughness.
9. the apparatus according to claim 1, it is characterised in that: be also welded with stiffening plate between the pedestal and axle sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820959651.7U CN208254388U (en) | 2018-06-21 | 2018-06-21 | A kind of ground experiment measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820959651.7U CN208254388U (en) | 2018-06-21 | 2018-06-21 | A kind of ground experiment measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208254388U true CN208254388U (en) | 2018-12-18 |
Family
ID=64654617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820959651.7U Expired - Fee Related CN208254388U (en) | 2018-06-21 | 2018-06-21 | A kind of ground experiment measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208254388U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108759637A (en) * | 2018-06-21 | 2018-11-06 | 湖北三江航天江河化工科技有限公司 | A kind of ground experiment measuring device |
| CN109900478A (en) * | 2019-03-18 | 2019-06-18 | 西安爱生技术集团公司 | A kind of small and medium size unmanned aerial vehicles rocket thrust test device and test method |
-
2018
- 2018-06-21 CN CN201820959651.7U patent/CN208254388U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108759637A (en) * | 2018-06-21 | 2018-11-06 | 湖北三江航天江河化工科技有限公司 | A kind of ground experiment measuring device |
| CN109900478A (en) * | 2019-03-18 | 2019-06-18 | 西安爱生技术集团公司 | A kind of small and medium size unmanned aerial vehicles rocket thrust test device and test method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181218 Termination date: 20210621 |
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| CF01 | Termination of patent right due to non-payment of annual fee |