CN204988874U - Test fixture - Google Patents
Test fixture Download PDFInfo
- Publication number
- CN204988874U CN204988874U CN201520785330.6U CN201520785330U CN204988874U CN 204988874 U CN204988874 U CN 204988874U CN 201520785330 U CN201520785330 U CN 201520785330U CN 204988874 U CN204988874 U CN 204988874U
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- fixed support
- test fixture
- heater
- expansion link
- rotating shaft
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Abstract
The utility model discloses a test fixture relates to mechanical technical field. Test fixture contains support, wiring dish, insulator, fixed bolster, heat insulating board and heater, highly can stretching out and drawing back of support is provided with the pivot on the support, the pivot is used for connecting the fixed bolster, be provided with the axle sleeve on the fixed bolster, the fixed bolster passes through the axle sleeve to be connected with the pivot on the support, just the fixed bolster can wind the pivot is rotated, the wiring dish passes through the insulator with the fixed bolster is connected, be provided with cable connection hole and heater power connecting hole on the wiring dish, the heater is fixed on the fixed bolster, and with heater power connecting hole on the wiring dish is connected, the heat insulating board sets up the heater with between the fixed bolster. The beneficial effect of the utility model: through the expansion pedestal can the alignment jig the height, rotate the angle that the fixed bolster can adjust heater, improved the commonality of anchor clamps.
Description
Technical field
The utility model relates to field of mechanical technique, is specifically related to a kind of test fixture.
Background technology
Present hypersonic aircraft has become the focus of development, the major technology bottleneck that the series of problems that its Aerodynamic Heating effect produces will be research, in order to break through the technical barrier of aircraft material heat-shock and high-temperature hot stress rupture, high temperature hot strength test must be carried out to hypersonic aircraft material and structure.For thermal strength test, present Aviation Enterprise does not also form unified test specification, also fixture is not loaded to test and carry out detailed defining and illustrating, so the hot test of present stage all can set up new hot test fixture for test mission, most test fixture design can only adapt to specific dimensions testpieces, cause the waste of resource, add experimentation cost, extend the test period.
Utility model content
The purpose of this utility model is to provide a kind of test fixture, to solve the problem at least one place existing in background technology.
The technical solution of the utility model is: provide a kind of test fixture, comprise bearing, patching panel, insulator, fixed support, thermal insulation board and well heater, wherein, described bearing comprises base and height expansion link, one end of described height expansion link is fixedly connected with described base, the other end is provided with rotating shaft, and the height of height expansion link can stretch, and described rotating shaft is for connecting described fixed support; Described fixed support is provided with axle sleeve and fixed flat planar, described fixed support is connected with the rotating shaft on bearing by axle sleeve, and described fixed support can around described axis of rotation; Described patching panel is connected with the fixed flat planar on described fixed support by described insulator, described patching panel is provided with cable connection hole and heater power source connecting hole; Described well heater is fixed on described fixed support, and is connected with the heater power source connecting hole on described patching panel, and described thermal insulation board is arranged between described well heater and described fixed support.
Preferably, the height expansion link on described bearing comprises two sections, and wherein one section is welded with described base, and this section is hollow, cylindrical tube, and radial direction is provided with multiple through hole; One end of another section is provided with rotating shaft, and the other end is set in the inside of described hollow, cylindrical tube, and radial direction is provided with through hole, the height of height expansion link by using the through hole in described two sections of bearing pin insertion to regulate height expansion link.
Preferably, described patching panel is symmetrically arranged with multiple heater power source connecting hole.
Preferably, described fixed support is closed square framed structure, a limit is provided with four axle sleeves wherein, and two axle sleeves are set in a rotating shaft, and fixed support is by two seat supports.
Preferably, the fixed flat planar on described fixed support is provided with two pieces, and two pieces fixed flat planar is symmetricly set on the middle part on the opposing parallel limit of two of described square framework, and the limit at fixed flat planar place is vertical with the limit at described axle sleeve place.
Preferably, described well heater comprises filament, outer casing glass tube, porcelain knob and power lead, and filament is placed in the inside of described outer casing glass tube, and filametntary two ends are connected with power lead, the two ends of outer casing glass tube are provided with porcelain knob, and outer casing glass tube is arranged on described fixed support by porcelain knob.
The beneficial effects of the utility model:
The height of height expansion link can stretch, by the height regulating height expansion link can regulate well heater;
Be connected with rotating shaft by axle sleeve between fixed support with bearing, fixed support can rotate around the axis, and by rotating fixed support, can regulate the angle of well heater;
Patching panel is symmetrically arranged with multiple heater power source connecting hole, fixed support can install multiple well heater, heating power adjustable extent is larger;
Patching panel is connected with fixed support by insulator, and fixed support can not exist forceful electric power, uses safer;
Be provided with thermal insulation board between well heater and fixed support, thermal insulation board can prevent well heater from causing damage to fixed support and bearing;
The above advantage of summation, test fixture versatility of the present utility model is better, can meet the heating of different operating mode.
Accompanying drawing explanation
Fig. 1 is the decomposing schematic representation of test fixture of the present utility model;
Fig. 2 is the support bracket fastened schematic diagram of the test fixture shown in Fig. 1;
Fig. 3 is the schematic diagram of the patching panel of the test fixture shown in Fig. 1.
Wherein: 1-bearing, 2-patching panel, 3-insulator, 4-fixed support, 5-thermal insulation board, 6-well heater, 11-base, 12-height expansion link, 13-rotating shaft, 21-cable connection hole, 22-heater power source connecting hole, 41-axle sleeve, 42-fixed flat planar.
Embodiment
The object implemented for making the utility model, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, are further described in more detail the technical scheme in the utility model embodiment.In the accompanying drawings, same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Described embodiment is the utility model part embodiment, instead of whole embodiments.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore the restriction to the utility model protection domain can not be interpreted as.
As shown in Figure 1 to Figure 3, a kind of test fixture, comprises bearing 1, patching panel 2, insulator 3, fixed support 4, thermal insulation board 5 and well heater 6, and wherein, Fig. 1 is the decomposing schematic representation of test fixture of the present utility model; Fig. 2 is the support bracket fastened schematic diagram of the test fixture shown in Fig. 1; Fig. 3 is the schematic diagram of the patching panel of the test fixture shown in Fig. 1.
Bearing 1 comprises base 11 and height expansion link 12, and one end of height expansion link 12 is fixedly connected with base 11, and the other end is provided with rotating shaft 13, and the height of height expansion link 12 can stretch, and rotating shaft 13 is for connecting described fixed support 4.
In the present embodiment, base 11 selects channel-section steel to be welded, and its advantage is: simple, the solid and reliable and lighter in weight of structure.
Be understandable that, base 11 can also set according to actual conditions.Such as, in an alternative embodiment, base 11 is set to one flat plate, and its advantage is: dull and stereotyped comparatively large with bottom surface contact area, when test fixture overall weight is larger, and can not damage test work bottom surface.
Fixed support 4 is provided with axle sleeve 41 and fixed flat planar 42, fixed support 4 is connected with the rotating shaft 13 on bearing 1 by axle sleeve 41, and fixed support 4 can 13 rotate around the shaft.Fixed flat planar 42 is for installing patching panel 2.
Patching panel 2 is connected with the fixed flat planar 42 on fixed support 4 by insulator 3, patching panel 2 is provided with cable connection hole 21 and heater power source connecting hole 22.
Cable connection hole 21 is connected with high power cable by bolt, and because patching panel 2 is with forceful electric power, patching panel 2 is connected with fixed support 4 by insulator 3, can not be charged on fixed support 4, uses safer.
The power cord connector of well heater 6 is connected with heater power source connecting hole 22, and can realize fast insert-pull, is convenient to dismounting.
In the present embodiment, patching panel 2 is provided with warning lamp, this warning lamp is used for display when patching panel 2 is energized, and when patching panel 2 is energized, pilot lamp is shown in red, and constantly glimmers.Improve the security of testing ground.
Well heater 6 is fixed on described fixed support 4, and is connected with the heater power source connecting hole 22 on patching panel 2, and thermal insulation board 5 is arranged between described well heater 6 and described fixed support 4.
Thermal insulation board 5 selects high temperature resistance and the extremely low material of thermal capacity makes, and it is less that it absorbs heat, decreases the loose consumption of test temperature, and can prevent well heater 6 pairs of fixed supports 4 and bearing 1 from causing damage.
In the present embodiment, the height expansion link 12 on bearing 1 comprises two sections, and wherein one section is welded with base 11, and this section is hollow, cylindrical tube, and radial direction is provided with multiple through hole; One end of another section is provided with rotating shaft 13, and the other end is set in the inside of described hollow, cylindrical tube, and radial direction is provided with through hole, the height of height expansion link 12 by using the through hole in described two sections of bearing pin insertion to regulate height expansion link 12.
Be understandable that, height expansion link 12 can also set according to actual conditions.Such as, in an alternative embodiment, height expansion link is made up of two ends steel plate, and is bolted between the steel plate of two ends, the position connected by adjusting bolt, can change the height of height expansion link.
Patching panel 2 is symmetrically arranged with multiple heater power source connecting hole 22.Its advantage is: fixed support 4 can arrange multiple well heater, and for different heated components or the heated components needing different temperatures, test fixture all can arbitrarily combine, and with the demand of satisfied different operating mode, improves the versatility of test fixture.
In the present embodiment, fixed support 4 is the square framed structure closed, and a limit is provided with four axle sleeves, 41, two axle sleeves 41 wherein and is set in a rotating shaft 13, fixed support 4 is supported by two bearings 1.
Be understandable that, the shape of fixed support 4 and the quantity of axle sleeve 41 can also set according to actual conditions.Such as, in an alternative embodiment, fixed support 4 is set to the rectangular frame closed, and a long limit is provided with six axle sleeves wherein, and two axle sleeves are set in a rotating shaft, and fixed support is altogether by three seat supports.
The advantage that fixed support 4 arranges the support of multiple bearing 1 is: under duty, support more stable, improve the security of test.
In the present embodiment, the fixed flat planar 42 on fixed support 4 is provided with two pieces, and two pieces fixed flat planar 42 is symmetricly set on the middle part on the opposing parallel limit of two of described square framework, and the limit at fixed flat planar 42 place is vertical with the limit at described axle sleeve 41 place.
Be understandable that, the quantity of fixed flat planar 42 and position can also set according to actual conditions.Such as, in an alternative embodiment, fixed flat planar 42 is provided with 4, and two opposite side be parallel to each other are respectively arranged with two, and two fixed flat planars 42 on each limit are placed in the two ends on this limit respectively.The advantage being provided with multiple fixed flat planar 42 is: can install multiple terminal block 2, and then fixed support 4 can be installed multiple well heater 6.
In the present embodiment, well heater 6 comprises filament, outer casing glass tube, porcelain knob and power lead, filament is placed in the inside of described outer casing glass tube, and filametntary two ends are connected with power lead, the two ends of outer casing glass tube are provided with porcelain knob, outer casing glass tube is arranged on described fixed support 4 by porcelain knob by quick detach folder, quick detach folder is arranged on fixed support 4 by bolt, well heater is arranged on quick detach folder by the porcelain knob of lamp tube ends, if well heater is damaged or need the distribution changing temperature field, directly can change well heater, easy accessibility, use reliable.
Finally it is to be noted: above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit.Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (6)
1. a test fixture, is characterized in that: comprise bearing (1), patching panel (2), insulator (3), fixed support (4), thermal insulation board (5) and well heater (6), wherein,
Described bearing (1) comprises base (11) and height expansion link (12), one end of described height expansion link (12) is fixedly connected with described base (11), the other end is provided with rotating shaft (13), and the height of height expansion link (12) can stretch, described rotating shaft (13) is for connecting described fixed support (4);
Described fixed support (4) is provided with axle sleeve (41) and fixed flat planar (42), described fixed support (4) is connected with the rotating shaft (13) on bearing (1) by axle sleeve (41), and described fixed support (4) can rotate around described rotating shaft (13);
Described patching panel (2) is connected with the fixed flat planar (42) on described fixed support (4) by described insulator (3), described patching panel (2) is provided with cable connection hole (21) and heater power source connecting hole (22);
Described well heater (6) is fixed on described fixed support (4), and be connected with the heater power source connecting hole (22) on described patching panel (2), described thermal insulation board (5) is arranged between described well heater (6) and described fixed support (4).
2. test fixture according to claim 1, it is characterized in that: the height expansion link (12) on described bearing (1) comprises two sections, wherein one section is welded with described base (11), and this section is hollow, cylindrical tube, and radial direction is provided with multiple through hole; One end of another section is provided with rotating shaft (13), the other end is set in the inside of described hollow, cylindrical tube, and radial direction is provided with through hole, the height of height expansion link (12) by using the through hole in described two sections of bearing pin insertion to regulate height expansion link (12).
3. test fixture according to claim 1, is characterized in that: described patching panel (2) is symmetrically arranged with multiple heater power source connecting hole (22).
4. test fixture according to claim 1, it is characterized in that: described fixed support (4) is the square framed structure closed, a limit is provided with four axle sleeves (41) wherein, two axle sleeves (41) are set on a rotating shaft (13), and fixed support (4) is supported by two bearings (1).
5. test fixture according to claim 4, it is characterized in that: the fixed flat planar (42) on described fixed support (4) is provided with two pieces, two pieces fixed flat planar (42) is symmetricly set on the middle part on the opposing parallel limit of two of described square framework, and the limit at fixed flat planar (42) place is vertical with the limit at described axle sleeve (41) place.
6. test fixture according to claim 1, it is characterized in that: described well heater (6) comprises filament, outer casing glass tube, porcelain knob and power lead, filament is placed in the inside of described outer casing glass tube, and filametntary two ends are connected with power lead, the two ends of outer casing glass tube are provided with porcelain knob, and outer casing glass tube is arranged on described fixed support (4) by porcelain knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520785330.6U CN204988874U (en) | 2015-10-10 | 2015-10-10 | Test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520785330.6U CN204988874U (en) | 2015-10-10 | 2015-10-10 | Test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204988874U true CN204988874U (en) | 2016-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520785330.6U Active CN204988874U (en) | 2015-10-10 | 2015-10-10 | Test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204988874U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107702988A (en) * | 2017-09-18 | 2018-02-16 | 安徽工程大学 | A kind of computer pressure test frock |
| CN111610112A (en) * | 2020-06-08 | 2020-09-01 | 山东省分析测试中心 | Impact performance analysis test device and method for non-standard failure structural member sample |
-
2015
- 2015-10-10 CN CN201520785330.6U patent/CN204988874U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107702988A (en) * | 2017-09-18 | 2018-02-16 | 安徽工程大学 | A kind of computer pressure test frock |
| CN111610112A (en) * | 2020-06-08 | 2020-09-01 | 山东省分析测试中心 | Impact performance analysis test device and method for non-standard failure structural member sample |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |