CN202793776U - Fatigue test device of flexible heat pipe - Google Patents

Fatigue test device of flexible heat pipe Download PDF

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Publication number
CN202793776U
CN202793776U CN 201220437502 CN201220437502U CN202793776U CN 202793776 U CN202793776 U CN 202793776U CN 201220437502 CN201220437502 CN 201220437502 CN 201220437502 U CN201220437502 U CN 201220437502U CN 202793776 U CN202793776 U CN 202793776U
Authority
CN
China
Prior art keywords
heat pipe
assembly
flexible heat
test
testing
Prior art date
Application number
CN 201220437502
Other languages
Chinese (zh)
Inventor
李兴宝
李强
盛君
宗文波
苗建印
张红星
Original Assignee
北京星达科技发展有限公司
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Publication date
Application filed by 北京星达科技发展有限公司 filed Critical 北京星达科技发展有限公司
Priority to CN 201220437502 priority Critical patent/CN202793776U/en
Application granted granted Critical
Publication of CN202793776U publication Critical patent/CN202793776U/en

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Abstract

The utility model discloses a fatigue test device of a flexible heat pipe. The device comprises a test platform and a control cabinet (2), wherein the test platform comprises a test platform cabinet (3), a rack (4) and a test mechanism (5), the test platform cabinet (3) is used for supporting the test platform, the test mechanism (5) is installed on the rack (4) and is used for fixing and conducting reciprocating swing for the flexible heat pipe, the rack (4) is installed on the upper portion of the test platform cabinet (3) and is used for adjusting and fixing the rigidity section of the tested flexible heat pipe, and the control cabinet (2) is used for controlling the test platform. A swing mechanism is added o the test mechanism, and the fatigue test of the flexible heat pipe is achieved. Flexible sections and rigidity sections of flexible heat pipes of different shapes and sizes can be disassembled conveniently, the rigidity is fixed and is not easy to fall off, and the safety and the reliability are achieved. An aligning crank sliding block mechanism and the swing mechanism are used, the small reciprocating swing angle is achieved, and the fatigue test of the flexible heat pipe is achieved accurately.

Description

A kind of flexible heat pipe fatigue rig
Technical field
The utility model relates to a kind of fatigue rig, particularly can carry out to the compliant section of flexible heat pipe the equipment of torture test.
Background technology
Flexible heat pipe is by connecting one section heat pipe that compliant section forms in the middle of two sections rigid sections, compliant section is made shell by metal hose, and compliant die is arranged in the shell.Utilize the flexible ability of compliant section can solve the insoluble problem of rigidity heat pipe, the occasion that need to relatively move or vibrate such as cold and hot end.In the thermal control design of China's lunar exploration the second stage of the project, this type of heat pipe there is demand.
Usually the flexible heat pipe structure is comprised of evaporator, rigid pipe, flexible pipe and condenser etc., and wherein flexible pipe and short one section are called compliant section A, and all the other are called rigid section.Flexible heat pipe can also be divided into linear flexible heat pipe and special-shaped flexible heat pipe according to shape.The flexible heat pipe torture test realizes that the state of action is compliant section in fixing full swing angle ± 5 and ° carries out reciprocally swinging, and oscillation centre is compliant section and center, rigid section junction.
Flexible heat pipe is the specific installation in the spacecraft thermal control design, the compliant section of flexible heat pipe, owing in use in the space, relative displacement or vibration are arranged, these are influential to its mechanical property and heat-transfer capability, therefore, need to carry out torture test to flexible heat pipe, whether satisfy technical requirement with mechanical property and thermal behavior after the flexible heat pipe process torture test of check different specification size.
Through retrieval, have no the relevant device report that can carry out the flexible heat pipe torture test at home and abroad.
The utility model content
The purpose of this utility model is, overcomes the deficiencies in the prior art, and a kind of flexible heat pipe fatigue rig is provided.
Technical solution of the present utility model is that a kind of flexible heat pipe fatigue rig comprises testing table and control rack two parts; Wherein, testing table comprises testing table rack, stand and test mechanism; The testing table rack is the basis of supporting testing table; Test mechanism is installed on the stand, is used for the fixing and reciprocally swinging of flexible heat pipe; Stand is installed in testing table rack top, and can adjust the rigid section part of fixing tested flexible heat pipe; The control rack is used for the control to testing table; Described test mechanism comprises rigid section adjustment beam, rigid section clamp assembly, rotating assembly, 2 forks, compliant section clamp assembly, crank rod assembly, straight-line guide rail slide block assembly, stepper motor, the first spring coupling, linear bearing assembly, main contiguous block, gear unit assembly and the second spring couplings; The rigid section anchor clamps are adjusted beam with rigid section and are installed on the stand after rigid section is adjusted beam adjustment installation, are used for the adjustment installation that different size linear flexible heat pipe carries out the position; The compliant section clamp assembly that is positioned on the fork is fixed the compliant section adjustment of flexible heat pipe; Described stepper motor is connected with pinion wheel in the gear unit assembly by the second spring coupling; Gear wheel in the gear unit assembly is connected with crank in the crank rod assembly by the first spring coupling, connecting rod in the crank rod assembly is connected with slide block in the straight-line guide rail slide block assembly by main contiguous block, passes through like this rotation realization slide block straight reciprocating motion on line slideway of stepper motor; One end of 2 forks is separately fixed on separately the rotating assembly and can freely rotates by oscillation centre, and the fork other end is inserted in the linear bearing assembly, and fork can adaptive slip in linear bearing; Every group of linear bearing assembly is installed on the main contiguous block on slide block top by bearing, can freely rotate.
The ratio of gear i=5 of described gear unit assembly.
Outside affiliated test mechanism, adopt transparent plexiglass plate and guard shield fixed head, hide the motion parts of whole test mechanism.
In the utility model, the implementation procedure of flexible heat pipe torture test wobbling action: stepper motor is connected with pinion wheel in the gear unit assembly by spring coupling; Gear wheel in the gear unit assembly is connected with crank in the crank rod assembly by spring coupling, connecting rod in the crank rod assembly is connected with slide block in the straight-line guide rail slide block assembly, and the rotation by stepper motor realizes slide block straight reciprocating motion on line slideway like this.(every group of 2 end are separately fixed on separately the rotating assembly and can freely rotate by oscillation centre fork in the tilting mechanism, and the fork other end is inserted into the linear bearing assembly, and (in 2 every group, fork can adaptive slip in linear bearing; Every group of linear bearing assembly is installed on the main contiguous block on slide block top by bearing, can freely rotate.By above mechanism, the rotation of stepper motor realizes slide block straight reciprocating motion on line slideway, drives fork and carries out reciprocally swinging by oscillation centre.
Principle of the present utility model is, the rotation of control step motor makes the crank connecting link band movable slider linear reciprocating motion on line slideway in the centric slider-crank mechanism, makes tilting mechanism by the fix oscillating motion of angle of oscillation centre.The flexible heat pipe compliant section is fixed on and carries out reciprocally swinging on the tilting mechanism, thereby makes flexible heat pipe carry out torture test.
The beneficial effects of the utility model:
1. the utility model has been realized the torture test of flexible heat pipe compliant section pipe by increase tilting mechanism in test mechanism.Compliant section and the convenient fixing dismounting of rigid section to difformity, different size flexible heat pipe rigidly fix difficult drop-off, and be safe and reliable.
2. the utility model has been realized less reciprocally swinging angle by adopting centric slider-crank mechanism and tilting mechanism structure in the test mechanism, more accurately finishes the torture test of flexible heat pipe.Full swing angle ± 5 ° and precision high (concern that according to trigonometric function more small angle variation is less during change in size, namely angle is more accurate) are used at present fixedly in this test.
3. the utility model is by tilting mechanism in the test mechanism, make flexible heat pipe torture test function expansibility strong, change the flexible heat pipe oscillation centre according to trigonometric function relation and can realize different pendulum angles, or change crank, the connecting rod size can realize different pendulum angles.
4. the utility model guarantees the subsidiary functions such as data transmission, communication interface by control system, prevents maloperation, has ensured operator's personal safety, guarantees simultaneously (mainly referring to noise) free from environmental pollution.
Description of drawings
Fig. 1 is synoptic diagram of the present utility model;
Fig. 2 is the front view of the utility model test mechanism;
Fig. 3 is the vertical view of the utility model test mechanism;
Fig. 4 is the cut-open view of the utility model test mechanism.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 2, a kind of flexible heat pipe fatigue rig of the present utility model comprises testing table and control rack 2 two parts; Wherein, testing table comprises testing table rack 3, stand 4 and test mechanism 5; Testing table rack 3 is bases of supporting testing table; Test mechanism 5 is installed on the stand 4, is used for the fixing and reciprocally swinging of flexible heat pipe; Stand 4 is installed in testing table rack 3 tops, and can adjust the rigid section part of fixing tested flexible heat pipe; The control that control rack 2 is used for testing table.
Shown in Fig. 3,4, described test mechanism 5 comprises rigid section adjustment beam 9, rigid section clamp assembly 10, rotating assembly 11,2 forks 12, compliant section clamp assembly 13, crank rod assembly 14, straight-line guide rail slide block assembly 15, stepper motor 16, the first spring coupling 17, linear bearing assembly 18, main contiguous block 19, gear unit assembly 22 and the second spring couplings 23.
Rigid section anchor clamps 10 are adjusted beam 9 with rigid section and are adjusted installation at stand 4 after rigid section is adjusted beam 9 adjustment installations, and the linear flexible heat pipe that is used for different size carries out the adjustment installation of position.The compliant section anchor clamps 13 that are positioned on the fork 12 are fixed the compliant section adjustment of flexible heat pipe.So just realized that installing and fixing of different size flexible heat pipe is solid and reliable, made things convenient for installing/dismounting and adjustment.
Stepper motor 16 is connected with pinion wheel 22-1 in the gear unit assembly 22 by the second spring coupling 23; Gear wheel 22-2 in the gear unit assembly 22 is connected with crank 14-1 in the crank rod assembly 14 by the first spring coupling 17, connecting rod 14-2 in the crank rod assembly 14 is connected with slide block 15-2 in the straight-line guide rail slide block assembly 15 by main contiguous block 19, passes through like this rotation realization slide block 15-2 straight reciprocating motion on line slideway 15-1 of stepper motor 16.
One end of 2 forks 12 is separately fixed on separately the rotating assembly 11 and can freely rotates by oscillation centre, and the other end of 2 forks 12 is inserted in the linear bearing assembly 18, and fork 12 can adaptive slip in linear bearing 18-1; Every group of linear bearing assembly 18 is installed on the main contiguous block 19 on slide block 15-2 top by bearing, can freely rotate.
Said mechanism has realized the fixing and reciprocally swinging torture test of 1 linear flexible heat pipe, when needs carry out torture test to many flexible heat pipes simultaneously, can all the other the 3 slide block 15-2 tops in straight-line guide rail slide block assembly 15 be installed by 1 secondary contiguous block 21 separately, and by connecting 20 connections of piece bar, realize the straight reciprocating motion of 4 slide block spares 26 equal state on line slideway spare 25.The corresponding one group of tilting mechanism of each slide block 15-2 and rigid section fixed mechanism have so just been realized the fixing and reciprocally swinging torture test of 4 linear flexible heat pipes.
Comprise a large amount of moving components in the utility model, be to guarantee operating personnel's safety, the cover assembly that is combined into transparent plexiglass plate covers up the motion parts of whole test mechanism 5, does not affect checking the component movement situation.
Torture test operating process after heat pipe is installed is: after the equipment energising start, open flexible heat pipe torture test professional software, arrange this time test heat pipe numbering, hunting frequency, number of oscillations, data and preserve the information such as position after, can move and begin test; After the test, on software interface, can show the information such as this test heat pipe numbering of inquiry, hunting frequency, number of oscillations, concrete time of test.
The utility model carries out flexible heat pipe torture test when work, difformity, different size flexible heat pipe rigid section, compliant section are adjusted respectively fixing, parameters after the equipment energising start, equipment is finished the torture test of flexible heat pipe automatically after the operation.Setup time of the present utility model is short, and handling safety is simple and convenient, and automaticity is high, efficient is high.
The specific targets that present embodiment is realized are as shown in table 1.The pendulum angle precision that can find out test is high, the simulation test quality is high.
Table 1 flexible heat pipe torture test technical indicator
Above-described embodiment is a kind of enumerating of the present utility model, and those skilled in the art can carry out various improvement and replacing not departing from according to different designing requirements and design parameter in the situation of the present utility model, fall into equally protection domain of the present utility model.The undocumented technology of the utility model belongs to techniques well known.

Claims (3)

1. a flexible heat pipe fatigue rig is characterized in that: comprise testing table and control rack (2); Wherein, testing table comprises testing table rack (3), stand (4) and test mechanism (5); Testing table rack (3) is the basis of supporting testing table; Test mechanism (5) is installed on the stand (4), is used for the fixing and reciprocally swinging of flexible heat pipe; Stand (4) is installed in testing table rack (3) top, and can adjust the rigid section part of fixing tested flexible heat pipe; Control rack (2) is used for the control to testing table; Described test mechanism (5) comprises rigid section adjustment beam (9), rigid section clamp assembly (10), rotating assembly (11), 2 forks (12), compliant section clamp assembly (13), crank rod assembly (14), straight-line guide rail slide block assembly (15), stepper motor (16), the first spring coupling (17), linear bearing assembly (18), main contiguous block (19), gear unit assembly (22) and the second spring coupling (23); Rigid section anchor clamps (10) are adjusted beam (9) with rigid section and are installed on the stand (4) after rigid section is adjusted beam (9) adjustment installation, are used for the adjustment installation that different size linear flexible heat pipe carries out the position; The compliant section clamp assembly (13) that is positioned on the fork (12) is fixed the compliant section adjustment of flexible heat pipe; Described stepper motor (16) is connected with pinion wheel (22-1) in the gear unit assembly (22) by the second spring coupling (23); Gear wheel (22-2) in the gear unit assembly (22) is connected with crank (14-1) in the crank rod assembly (14) by the first spring coupling (17), connecting rod (14-2) in the crank rod assembly (14) is connected with slide block (15-2) in the straight-line guide rail slide block assembly (15) by main contiguous block (19), goes up straight reciprocating motion by the rotation realization slide block (15-2) of stepper motor (16) at line slideway (15-1) like this; One end of 2 forks (12) is separately fixed on separately the rotating assembly (11) and can freely rotates by oscillation centre, the other end of 2 forks (12) is inserted in the linear bearing assembly (18), and fork (12) can adaptive slip in linear bearing (18-1); Every group of linear bearing assembly (18) is installed on the main contiguous block (19) on slide block (15-2) top by bearing, can freely rotate.
2. according to claim 1 a kind of flexible heat pipe fatigue rig is characterized in that: the ratio of gear i=5 of described gear unit assembly (22).
3. according to claim 1 and 2 a kind of flexible heat pipe fatigue rig is characterized in that: adopt transparent plexiglass plate and guard shield fixed head, hide the motion parts of described test mechanism (5).
CN 201220437502 2012-08-30 2012-08-30 Fatigue test device of flexible heat pipe CN202793776U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220437502 CN202793776U (en) 2012-08-30 2012-08-30 Fatigue test device of flexible heat pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220437502 CN202793776U (en) 2012-08-30 2012-08-30 Fatigue test device of flexible heat pipe

Publications (1)

Publication Number Publication Date
CN202793776U true CN202793776U (en) 2013-03-13

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Application Number Title Priority Date Filing Date
CN 201220437502 CN202793776U (en) 2012-08-30 2012-08-30 Fatigue test device of flexible heat pipe

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104458229A (en) * 2014-11-28 2015-03-25 资阳南车电气有限公司 Swing testing machine and swing testing method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104458229A (en) * 2014-11-28 2015-03-25 资阳南车电气有限公司 Swing testing machine and swing testing method
CN104458229B (en) * 2014-11-28 2017-08-25 资阳中车电气科技有限公司 A kind of swing testing machine and rolling test method

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