CN104931267A - Test piece support using wedge block adjustment block - Google Patents
Test piece support using wedge block adjustment block Download PDFInfo
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- CN104931267A CN104931267A CN201510343350.2A CN201510343350A CN104931267A CN 104931267 A CN104931267 A CN 104931267A CN 201510343350 A CN201510343350 A CN 201510343350A CN 104931267 A CN104931267 A CN 104931267A
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- voussoir
- testpieces
- bearing
- wedge block
- lower wedge
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- 238000012360 testing method Methods 0.000 title abstract description 18
- 238000006073 displacement reaction Methods 0.000 claims abstract description 21
- 230000001105 regulatory effect Effects 0.000 claims description 37
- 239000000463 material Substances 0.000 claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000008878 coupling Effects 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 7
- 238000005859 coupling reaction Methods 0.000 description 7
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The invention provides a test piece support using a wedge block adjustment block. According to the invention, a bearing which is connected with a support ear of the test piece is arranged; the problems of test piece installation and support are solved when a compressor test piece is provided with an exhaust volute or has a specific exhaust requirement; furthermore, the wedge block adjustment block is arranged between the bearing and a base; the structure and the shape of a wedge block are scientifically designed; two wedge blocks are added together; through relative displacement of two wedge blocks, the bearing located on the upper wedge block carries out radial displacement; the radial height of the bearing is adjusted; the use is convenient; compared with the method of using a gasket to adjust height in the prior art, the test piece support provided by the invention has the advantages of accurate adjustment and stepless adjustment; the problems of test piece installation and support are solved when the compressor test piece is provided with the exhaust volute or has the specific exhaust requirement; the coaxiality adjustment method of a transmission part of the test piece is optimized; and the test piece support has the advantages of simple structure and easy adjustment, and meets actual application requirements.
Description
Technical field
The present invention relates to pneumatic plant technical field, more specifically, relate to a kind of testpieces of voussoir regulating block that adopts and support.
Background technology
One of the pneumatic plant that the present invention relates to is civil aircraft APU(auxiliary power unit) critical piece, Compressor test part is the trial-production part its Capability of Compressor parameter being carried out to detection applications before this type APU formally criticizes production.
Existing Compressor test part supports the discharge portion combining into testpieces with exhaust volute etc., and requires the exhaust of testpieces radial direction and specific interface size.If testpieces has special exhaust requirements or carries exhaust volute, again or interface size bad coupling time, this support all cannot be installed and used.The upper center downward regulating of testpieces rotor and gearbox output shaft radial direction and end face relies on pad and inconvenience simultaneously.
Meanwhile, existing testpieces supports and regulates testpieces axial location and end face left and right aligning by base, supports center downward regulating on testpieces and radial aligning, end face by spiral case.Thus require that testpieces interface size and exhaust requirements all will match with spiral case, if testpieces has special exhaust requirements or carries exhaust volute, again or interface size bad coupling time, this support all cannot be installed and used.Further, the upper center downward regulating of radial and end face mainly through adding different pads to control between the junction of 4 coupling bolts of spiral case and base, its precision and range of control affect by the thickness of pad and quantity, can not accomplish step-less adjustment.Therefore, if testpieces has special exhaust requirements or carries exhaust volute, again or interface size bad coupling time, this support all cannot be installed and used.
Testpieces supports except being used as bearing, also should be able to regulate the right alignment between testpieces rotor and gearbox output shaft, enough rigidity should be had so support, be out of shape little, also require to be convenient to install and regulate the right alignment of running part and the axial distance of critical piece.Have no the testpieces that can meet described requirement at present to support.
Summary of the invention
The technical problem to be solved in the present invention be to overcome existing testpieces support cannot meet flexibly testpieces have special exhaust requirements or carry exhaust volute, again or interface size bad coupling time situation under the technical deficiency installing and using requirement, the testpieces of the employing voussoir regulating block providing a kind of structure simple, easy to adjust supports, testpieces supports this energy accurate adjustment radial direction (short transverse of bearing) size, testpieces have special exhaust requirements or carry exhaust volute, again or interface size bad coupling time situation under all can install and use easily.
Above-mentioned purpose of the present invention is achieved by the following technical programs:
1. provide a kind of testpieces of voussoir regulating block that adopts to support, described testpieces supports and comprises the base that can stand on plane; Also comprise two bearings for being connected with support ear before and after testpieces respectively and two voussoir regulating blocks between bearing and base, each bearing connects a voussoir regulating block respectively; Described bearing is connected by securing member with base;
Each voussoir regulating block comprises voussoir and a lower wedge block on one, described upper voussoir and described lower wedge block include an inclined-plane and a bottom surface, the inclined-plane of upper voussoir is equal with the inclined-plane degree of tilt of lower wedge block, the inclined-plane of upper voussoir superposes with the inclined-plane of lower wedge block, forms that more than one voussoir bottom surface is top, the square structure that is bottom with lower wedge block bottom surface; Described square structure is placed in parallel on described base;
There is not relative displacement in described upper voussoir and bearing; Described upper voussoir is connected by actuator with lower wedge block, lower wedge block is connected by longitudinal key and longitudinal key slot fit with described base, longitudinal key and longitudinal keyway adopt clearance fit, longitudinal key is consistent with described actuator driving direction with the length direction of longitudinal keyway, actuator drives lower wedge block to move along the length direction of key or keyway, makes the generation of described bearing perpendicular to the radial displacement of base.
The present invention arranges bearing, solves testpieces when Compressor test part carries exhaust volute or have specific exhaust requirements and installs and support problem, without the need to being supported center downward regulating on testpieces and radial aligning, end face by spiral case.
Separately, the present invention adopts the planform of voussoir uniqueness, two pieces of voussoirs are superimposed, by producing relative displacement between two pieces of voussoirs, making the bearing generation radial displacement be positioned on voussoir, namely have adjusted the radial height of bearing, easy to use, adopt pad adjustment height relative to prior art, adjustment of the present invention is accurate, has accomplished step-less adjustment.Actuator drives lower wedge block to move, because of between upper voussoir and bearing without relative displacement, and bearing and base are fixed by securing member, unclamp the nut of this securing member, the movement of lower wedge block, the height that voussoir and lower wedge block are superimposed increases or reduces, i.e. bearing generation radial displacement.And lower wedge block and base are connected by key, lower wedge block can move along the direction of key, and wherein keyway play the guiding role, after regulating required radial height, and the nut of tightening fastener parts.
Preferably, described actuator is bolt, and bolt connects described lower wedge block and upper voussoir, and the rotation of bolt makes lower wedge block and upper voussoir generation relative displacement.During rotating bolt, upper voussoir is motionless, and lower wedge block along the longitudinal keyway moves, thus makes bearing generation radial displacement.Further preferably, described bolt is bolt of serration.Fine thread can carry out fine adjustment.
Preferably, described bearing comprises two pyramid structures be connected with support ear before or after testpieces.Be that to have two pyramidal structures be in order to suitable with the planform of testpieces support ear by bearing settlement, separately, while guarantee bearing intensity, also there is the advantage of saving material.
Preferably, described upper voussoir and bearing as a whole.
Preferably, described upper voussoir is connected by cross key and cross key slot fit with bearing, described cross key or horizontal keyway vertical with longitudinal keyway with described longitudinal key.Upper voussoir and bearing are connected the degree of freedom of the horizontal direction limiting voussoir by key, the bearing be connected with base limits the degree of freedom of voussoir radial direction, make voussoir and bearing without relative displacement.
For making structure more stable, prevent the bearing be positioned on voussoir from vibrating, described upper voussoir is connected by two pairs of cross keies and cross key slot fit with bearing.
Preferably, described bearing is weldment.
More preferably, described bearing is stainless steel materials.
More preferably, described support material is 15mm stainless steel materials.
The present invention has following beneficial effect:
A kind of testpieces of voussoir regulating block that adopts of the present invention supports, and is provided with the bearing be connected with testpieces support ear, and the testpieces solved when Compressor test part carries exhaust volute or have specific exhaust requirements is installed and support problem; The planform of scientific design voussoir uniqueness, two pieces of voussoirs are superimposed, by producing relative displacement between two pieces of voussoirs, make the bearing generation radial displacement be positioned on voussoir, namely have adjusted the radial height of bearing, easy to use, adopt pad adjustment height relative to prior art, adjustment of the present invention is accurate, has accomplished step-less adjustment.For voussoir can be made to be moved, actuator is used to connect upper voussoir and lower wedge block, without relative displacement between upper voussoir and bearing, and bearing is connected by securing member with base, upper voussoir does not move dynamic, and actuator drives lower wedge block to move along keyway length direction, thus makes bearing generation radial displacement.
The present invention solves testpieces installation when the carrying exhaust volute or have specific exhaust requirements of Compressor test part and support problem, and the control method of the right alignment of Optimum Experiment device running part.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 testpieces supporting construction of the present invention schematic diagram.
The voussoir regulating block structural representation that Fig. 2 testpieces of the present invention supports.
Fig. 3 existing Compressor test part structural representation.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail, but following examples are only for ease of illustrating one of example that inventive concept exemplifies, and therefore do not limit the present invention.The simple replacement done based on basic thought of the present invention and change and different embodiments, should be considered as scope.
As shown in Figure 1, the invention provides a kind of testpieces of voussoir regulating block that adopts and support, the testpieces of structure shown in Fig. 3 can be applicable to well.Described testpieces supports and comprises the base 3 that can stand on plane; Also comprise two bearings 1 for being connected with support ear before and after testpieces respectively and two voussoir regulating blocks 2 between bearing 1 and base 3, each bearing 1 is connected to a voussoir regulating block 2; Bearing 1 is fixedly connected with by securing member 5 with base 3.As depicted in figs. 1 and 2, described voussoir regulating block 2 comprises voussoir 21 and lower wedge block 22, upper voussoir 21 and bearing 1 are connected by cross key 8 and horizontal keyway, the degree of freedom of the horizontal direction of voussoir 21 in restriction, the bearing 1 be fixedly connected with base 3 limits the degree of freedom of voussoir 21 radial direction, makes voussoir 21 and bearing 1 without relative displacement, upper voussoir 21 and lower wedge block 22 include an inclined-plane and a bottom surface, the inclined-plane of upper voussoir 21 is equal with the inclined-plane degree of tilt of lower wedge block 22, the inclined-plane of upper voussoir 21 superposes with the inclined-plane of lower wedge block 22, form that more than one voussoir bottom surface is top, the square structure that is bottom with lower wedge block bottom surface, two square structures that two voussoir regulating blocks 2 are formed are placed in parallel on described base 3, upper voussoir 21 is connected by bolt 4 with lower wedge block 22, lower wedge block 22 is connected by longitudinal key 7 and longitudinal key slot fit with described base 3, longitudinal key 7 and longitudinal keyway adopt clearance fit, longitudinal key 7 is consistent with the length direction of described bolt 4 with the length direction of longitudinal keyway, be moved for lower wedge block 21 can be made, bolt is used to connect upper voussoir 21 and lower wedge block 22, without relative displacement between upper voussoir 21 and bearing 1, and bearing 1 is fixed by securing member 5 and base 3, when making rotating bolt 4, upper voussoir 21 is motionless, lower wedge block 22 along the longitudinal keyway moves, thus make bearing 1 that radial displacement occur.
Described bolt 4 is bolt of serration.
As shown in Figure 1, described bearing 1 comprises two pyramid structures be connected with support ear before or after testpieces.Bearing 1 is weldment, pyramid, and material can adopt 15mm stainless steel materials, be divided into forward and backward two parts, directly be connected with testpieces back and front supporting ear respectively, support for testpieces, the testpieces that such mounting means makes support be directly used in carry spiral case and install simpler; The testpieces solved when Compressor test part carries exhaust volute or have specific exhaust requirements is installed and support problem.
As shown in Figure 1, voussoir regulating block 2 is also divided into former and later two voussoirs corresponding with two parts of bearing 1 respectively, as shown in Figure 2, each voussoir regulating block 2 is made up of upper voussoir 21 and lower wedge block 22, and be connected with bearing 1 with horizontal keyway by cross key 8, be connected with base 3 with longitudinal keyway by longitudinal key 7, current back wedge regulating block 2 can realize the footpath aligning up and down of testpieces when doing same adjustment, current back wedge regulating block 2 can realize center downward regulating on end face when doing different adjustment, such regulative mode is more flexible and convenient, achieves step-less adjustment.
The present invention through a large amount of experimental evaluations, experimental result all prove the present invention can meet well testpieces have special exhaust requirements or carry exhaust volute, again or interface size bad coupling time situation under install and use requirement, simple possible.Test findings shows: testpieces is installed easy to adjust, supports reliable and stable, operates steadily, do not occur the phenomenons such as abnormal vibration in whole operating rotational speed range.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included in of the present invention comprising within scope.
Claims (10)
1. one kind adopts the testpieces of voussoir regulating block to support, and described testpieces supports and comprises the base that can stand on plane; It is characterized in that, also comprise two bearings for being connected with support ear before and after testpieces respectively and two voussoir regulating blocks between bearing and base, each bearing connects a voussoir regulating block respectively; Described bearing is connected by securing member with base;
Each voussoir regulating block comprises voussoir and a lower wedge block on one, described upper voussoir and described lower wedge block include an inclined-plane and a bottom surface, the inclined-plane of upper voussoir is equal with the inclined-plane degree of tilt of lower wedge block, the inclined-plane of upper voussoir superposes with the inclined-plane of lower wedge block, forms that more than one voussoir bottom surface is top, the square structure that is bottom with lower wedge block bottom surface; Described square structure is placed in parallel on described base;
There is not relative displacement in described upper voussoir and bearing; Described upper voussoir is connected by actuator with lower wedge block, lower wedge block is connected by longitudinal key and longitudinal key slot fit with described base, longitudinal key and longitudinal keyway adopt clearance fit, longitudinal key is consistent with described actuator driving direction with the length direction of longitudinal keyway, actuator drives lower wedge block to move along the length direction of key or keyway, makes the generation of described bearing perpendicular to the radial displacement of base.
2. adopt the testpieces of voussoir regulating block to support according to claim 1, it is characterized in that, described actuator is bolt, and bolt connects described lower wedge block and upper voussoir, and the rotation of bolt makes lower wedge block and upper voussoir generation relative displacement.
3. adopt the testpieces of voussoir regulating block to support according to claim 2, it is characterized in that, described bolt is bolt of serration.
4. adopt the testpieces of voussoir regulating block to support according to claim 1, it is characterized in that, described bearing comprises two pyramid structures be connected with support ear before or after testpieces.
5. adopt the testpieces of voussoir regulating block to support according to claim 1, it is characterized in that, described upper voussoir and bearing as a whole.
6. adopt the testpieces of voussoir regulating block to support according to claim 1, it is characterized in that, described upper voussoir is connected by cross key and cross key slot fit with bearing, described cross key or horizontal keyway vertical with longitudinal keyway with described longitudinal key.
7. adopt the testpieces of voussoir regulating block to support according to claim 1, it is characterized in that, described upper voussoir is connected by two pairs of cross keies and cross key slot fit with bearing.
8. adopt the testpieces of voussoir regulating block to support according to claim 1, it is characterized in that, described bearing is weldment.
9. adopt the testpieces of voussoir regulating block to support according to claim 8, it is characterized in that, described bearing is stainless steel materials.
10. adopt the testpieces of voussoir regulating block to support according to claim 9, it is characterized in that, described support material is 15mm stainless steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510343350.2A CN104931267B (en) | 2015-06-19 | 2015-06-19 | A kind of testpieces using voussoir regulating block supports |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510343350.2A CN104931267B (en) | 2015-06-19 | 2015-06-19 | A kind of testpieces using voussoir regulating block supports |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104931267A true CN104931267A (en) | 2015-09-23 |
| CN104931267B CN104931267B (en) | 2018-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510343350.2A Active CN104931267B (en) | 2015-06-19 | 2015-06-19 | A kind of testpieces using voussoir regulating block supports |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114136641A (en) * | 2021-10-20 | 2022-03-04 | 中国航发四川燃气涡轮研究院 | Exhaust device for warming and pressurizing air compressor tester |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2414630A1 (en) * | 1974-03-26 | 1975-10-16 | Mgs Maschinenueberholungen Ger | Adjustable pedestal for supporting a machine tool - incorporates an anti-vibration mounting between base and foundation |
| GB2242637A (en) * | 1990-04-06 | 1991-10-09 | Fwu Kuang Enterprises Co Ltd | Adjusting device for a thread-rolling machine |
| WO2005044479A1 (en) * | 2003-11-10 | 2005-05-19 | Takahisa Yamamoto | Detachable type metal plate bending angle accuracy adjusting device |
| CN202192456U (en) * | 2011-07-04 | 2012-04-18 | 金华职业技术学院 | Vertically adjustable V-shaped block mechanism |
| CN202239665U (en) * | 2011-06-04 | 2012-05-30 | 辽宁工程职业学院 | Tool holder with adjustable center height of point of cutter and used in turning tool |
| CN203582329U (en) * | 2013-12-09 | 2014-05-07 | 中联重科股份有限公司 | Tower crane walking underframe leveling device, walking underframe and tower crane |
-
2015
- 2015-06-19 CN CN201510343350.2A patent/CN104931267B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2414630A1 (en) * | 1974-03-26 | 1975-10-16 | Mgs Maschinenueberholungen Ger | Adjustable pedestal for supporting a machine tool - incorporates an anti-vibration mounting between base and foundation |
| GB2242637A (en) * | 1990-04-06 | 1991-10-09 | Fwu Kuang Enterprises Co Ltd | Adjusting device for a thread-rolling machine |
| WO2005044479A1 (en) * | 2003-11-10 | 2005-05-19 | Takahisa Yamamoto | Detachable type metal plate bending angle accuracy adjusting device |
| CN202239665U (en) * | 2011-06-04 | 2012-05-30 | 辽宁工程职业学院 | Tool holder with adjustable center height of point of cutter and used in turning tool |
| CN202192456U (en) * | 2011-07-04 | 2012-04-18 | 金华职业技术学院 | Vertically adjustable V-shaped block mechanism |
| CN203582329U (en) * | 2013-12-09 | 2014-05-07 | 中联重科股份有限公司 | Tower crane walking underframe leveling device, walking underframe and tower crane |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114136641A (en) * | 2021-10-20 | 2022-03-04 | 中国航发四川燃气涡轮研究院 | Exhaust device for warming and pressurizing air compressor tester |
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| Publication number | Publication date |
|---|---|
| CN104931267B (en) | 2018-03-02 |
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Address after: Dong Jiaduan 412002 in Hunan province Zhuzhou city Lusong District Patentee after: AECC HUNAN AVIATION POWERPLANT Research Institute Country or region after: Zhong Guo Address before: Dong Jiaduan 412002 in Hunan province Zhuzhou city Lusong District Patentee before: CHINA AVIATION POWER MACHINERY INSTITUTE Country or region before: Zhong Guo |
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