CN115754556B - Multi-tentacle vehicle panel aging deformation rate detection equipment - Google Patents
Multi-tentacle vehicle panel aging deformation rate detection equipment Download PDFInfo
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- CN115754556B CN115754556B CN202211492270.XA CN202211492270A CN115754556B CN 115754556 B CN115754556 B CN 115754556B CN 202211492270 A CN202211492270 A CN 202211492270A CN 115754556 B CN115754556 B CN 115754556B
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- 230000032683 aging Effects 0.000 title claims abstract description 16
- 238000001514 detection method Methods 0.000 title claims abstract description 15
- 239000000523 sample Substances 0.000 claims abstract description 99
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 239000007788 liquid Substances 0.000 claims description 65
- 238000007789 sealing Methods 0.000 claims description 33
- 238000005192 partition Methods 0.000 claims description 24
- 238000013016 damping Methods 0.000 claims description 14
- 238000005452 bending Methods 0.000 claims description 7
- 238000007667 floating Methods 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000741 silica gel Substances 0.000 claims description 5
- 229910002027 silica gel Inorganic materials 0.000 claims description 5
- 239000004677 Nylon Substances 0.000 claims description 4
- 239000004519 grease Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 229920001296 polysiloxane Polymers 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 208000002925 dental caries Diseases 0.000 abstract 2
- 230000006872 improvement Effects 0.000 description 9
- 238000001816 cooling Methods 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000003491 array Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000036561 sun exposure Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Monitoring And Testing Of Nuclear Reactors (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention relates to and discloses a multi-tentacle vehicle panel aging deformation rate detection device; comprising the following steps: the probe supporting mechanism comprises a plurality of probe supporting plates, and a plurality of probe mechanisms are connected on the elastic supporting plates in an array manner; the probe mechanism comprises a probe fixing rod, the front end of the probe fixing rod is connected with a contact needle contacted with the detection part, and the contact needle is connected with the probe fixing rod through a pressure strain gauge; the panel component connecting piece mechanism comprises positioning support ribs, and panel connecting seats for connecting panels are arranged at positions of the positioning support ribs corresponding to the probe fixing rods; the probe backup pad includes front bezel, back plate, medium plate, is provided with the feed liquor chamber between front bezel and medium plate, is provided with the flowing back chamber between back plate and medium plate, wherein, is connected with the swing shell at probe backup pad surface array, and the probe dead lever is connected to swing shell front end, and two cavitys in the swing shell are divided, and two cavitys communicate with flowing back chamber and feed liquor chamber respectively.
Description
Technical Field
The invention relates to a multi-tentacle vehicle panel aging deformation rate detection device, and belongs to the field of vehicle accessory detection devices.
Background
The automobile interior panel and the operation button panel are generally fixed to the automobile mask through the buckle, and because the use environment and the storage environment of the automobile can have extreme conditions such as high temperature sun exposure, night low temperature and the like, the interior panel and the operation button panel can repeatedly stretch and deform due to temperature difference and sun exposure, irreversible torsional deformation can be generated on the whole of the interior panel and the operation button panel after the stretch and deformation for a long time, and finally, gaps can be generated between the buckle and the automobile mask, so that abnormal sound can be generated in the use process of the automobile;
therefore, when designing and manufacturing the vehicle interior trim panel and the operation button panel, the influence of such deformation on the installation stability needs to be eliminated by the built-in supporting ribs and the design reinforcement;
and to the design demonstration of supporting rib and reinforcement structure, just need special detection mechanism, through simulating environment such as high temperature, low temperature, insolatedly to test the part and gather its deflection, and in the test process, environment such as high temperature, low temperature also can bring great influence for test equipment, for example to the pressure sensitive probe that detects the deflection, the high temperature, the expansion with heat and contraction with cold that the low temperature brought can make pressure sensitive sensor and pressure sensitive probe take place the condition of expansion with heat and contraction with cold simultaneously, also can make pressure sensitive sensor's resistance value take place certain change, finally can influence the accuracy of data.
Disclosure of Invention
The invention aims to solve the technical problems that: the technical problem that high temperature and low temperature environments in the prior art can bring influence to the accuracy of the sensor is solved, and the equipment for detecting the aging deformation rate of the vehicle panel with multiple tentacles is provided.
The technical scheme adopted for solving the technical problems is as follows:
a multi-tentacle vehicle panel aging deformation rate detection device; comprising the following steps:
the probe supporting mechanism comprises a plurality of probe supporting plates, the adjacent probe supporting plates are fixedly connected, and a plurality of probe mechanisms are connected on the elastic supporting plates in an array manner;
the probe mechanism comprises a probe fixing rod, the probe fixing rod is of a hollow structure, the tail end of the probe fixing rod is sleeved with a spherical swinging shell, and the swinging shell is embedded into the probe supporting plate; the central position of the front end of the probe fixing rod is fixedly provided with a pressure sensing probe, the pressure sensing probe comprises a connecting sleeve coaxially fixed at the front end of the probe fixing rod, a connecting hole is formed in the connecting sleeve, a floating sleeve is fixed at the front end of the connecting sleeve, a contact needle for contacting with a detection part is connected in the floating sleeve through an elastic connecting piece, a pressure strain gauge is arranged between the tail end of the contact needle and the tail end of the connecting hole, and heat conduction silicone grease is filled in the connecting hole;
the panel component connecting piece mechanism comprises an annular positioning support rib which is fixedly connected to the front ends of the elastic fixing rods, a panel connecting seat is arranged at the position, corresponding to the position between the probe fixing rods, of the positioning support rib, and a buckle mechanism used for being connected with the panel is arranged at the front end of the panel connecting seat;
the probe supporting plate comprises a front plate, a rear plate, a middle plate and a peripheral sealing ring, wherein the front plate is fixedly connected with the middle plate and the rear plate is fixedly connected with the middle plate through gaskets, a liquid inlet cavity is formed between the front plate and the middle plate, a liquid outlet cavity is formed between the rear plate and the middle plate, the peripheral sealing ring surrounds the periphery of the liquid inlet cavity and the liquid outlet cavity, a liquid outlet pipe is arranged on the rear plate and extends into the liquid outlet cavity, a liquid inlet pipe is further arranged on the rear plate, and the liquid inlet pipe penetrates through the rear plate and the middle plate and extends into the liquid inlet cavity;
the device comprises a front plate, a rear plate and a middle plate, wherein a plurality of swing holes are arrayed on the front plate, the rear plate and the middle plate, sealing rings are arranged on the inner walls of the swing holes, a swing shell is inlaid between the front plate and the rear plate through the sealing rings, a first partition plate is arranged in the middle of the swing shell, and the first partition plate is positioned between the inner wall of the swing shell and the outer wall of a probe fixing rod; a plurality of first liquid inlets are annularly arranged on the surface of the front half part of the swinging shell, a plurality of first liquid outlets are annularly arranged on the surface of the rear half part of the swinging shell, a plurality of second liquid inlets are arranged on the side wall surface of the probe fixing rod corresponding to the front half part of the swinging shell, and a plurality of second liquid outlets are arranged on the side wall surface of the probe fixing rod corresponding to the rear half part of the swinging shell;
the middle part of the inner wall of the probe fixing rod is provided with a second partition plate corresponding to the axial position of the first partition plate, the rear end of the connecting sleeve is sleeved with a heat conducting sleeve, the tail end of the heat conducting sleeve penetrates through and is fixed at the center of the second partition plate, and a plurality of circulation ports are annularly arranged on the front end surface of the heat conducting sleeve corresponding to the connecting position of the connecting sleeve.
As a further improvement of the invention, the sealing ring is made of nylon, an embedding groove for embedding a front plate or a rear plate or a middle plate is arranged on the outer ring of the sealing ring, and a sealing surface for contacting with the surface of the swinging shell is arranged on the inner ring of the sealing ring; the nylon sealing ring is better in temperature tolerance compared with the rubber material, and good sealing performance can be guaranteed all weather while good rotation smoothness is guaranteed.
As a further improvement of the invention, the front end of the probe fixing rod is fixedly connected with a supporting sleeve, the front end of the heat conducting sleeve is fixed on the inner wall of the supporting sleeve through a vibration reduction ring, the front end of the supporting sleeve is provided with a supporting cover, and the front end of the connecting sleeve is fixed on the center of the supporting cover through an elastic sealing piece; the supporting sleeve can support the front end of the probe, effectively reduces the diameter of the front end of the probe fixing rod, and reduces interference with parts to be detected and other related mechanisms.
As a further improvement of the invention, a vibration stopping mechanism is arranged between the inner wall of the front end of the supporting sleeve and the connecting sleeve, the vibration stopping mechanism comprises a vibration stopping ball block sleeved on the outer side wall of the connecting sleeve, the inner wall of the supporting sleeve is provided with a vibration stopping sleeve, the vibration stopping sleeve comprises two groups of vibration stopping trays, the vibration stopping trays are arranged in mirror symmetry along the axis of the supporting sleeve, the surfaces of the vibration stopping trays are provided with supporting grooves for embedding spherical structures of the vibration stopping ball block, and vibration stopping glue made of silica gel is filled between the two ends of the vibration stopping ball block and the supporting grooves; the vibration-stopping mechanism not only can reduce the influence of the internal water flow impact vibration of the water circulation mechanism on the front-end probe, but also can make a certain swing relative to the vibration-stopping tray, and the swing space can provide a certain up-down swing interval for the probe, so that the degree of freedom of the probe in the deformation direction when the deformation of the interior decorative plate is detected can be increased to a certain extent.
As a further improvement of the invention, the outer side wall of the heat conducting sleeve is sleeved with a heat conducting bush, and a plurality of heat conducting fins are arranged on the surface of the heat conducting bush in a linear array manner; the heat conduction fins can effectively expand the heat exchange area of the heat conduction sleeve.
As a further improvement of the invention, the swinging shell is formed by mutually welding and fixing an upper shell and a lower shell, the outer edge of the first partition plate is embedded between the upper shell and the lower shell, and a connecting ring for fixing a probe fixing rod is integrally arranged on the inner edge of the first partition plate; the upper shell and the lower shell which are welded and fixed in a split manner have better overall pressure resistance, the first partition plate is welded in a synchronous sealing way, the sealing performance between the first partition plate and the upper shell and between the first partition plate and the lower shell can be improved, the connecting ring can improve the fixing strength of the probe fixing rod and simultaneously ensure the sealing performance between the inner ring of the connecting ring and the probe fixing rod.
As a further improvement of the invention, the tail end of the contact pin is integrally provided with a clamping block, a first clamping groove is arranged in the clamping block, and one end of the pressure strain gauge is fixed in the clamping groove; the connecting sleeve is formed by combining two groups of clamping plates with semicircular spherical surfaces, a second clamping groove is formed between the clamping plates at the tail end position corresponding to the connecting hole, and the other end of the pressure strain gauge is fixed in the clamping groove; the pressure strain gauge is fixed by adopting a clamping structure, and compared with adhesive fixation, the clamping fixation can eliminate the influence of high temperature and low temperature on deformation and adhesive force failure of the adhesive for fixation.
As a further improvement of the invention, the front end of the probe fixing rod is provided with a fixing groove, a plurality of clamping openings are annularly arranged on the positioning support rib in an array manner, and the clamping openings are embedded in the fixing groove; a bending bulge is integrally arranged between the positioning support rib and the two adjacent probe fixing rods, and the buckling mechanism is fixed at the bending bulge position; the positioning support rib is more convenient to detach and assemble through the form of embedding and fixing, and simultaneously the positioning support rib is fixed in the probe dead lever front end and can be better fix a position the fixed angle of probe dead lever through the molding of positioning support rib self, prevents to take place the swing because the probe dead lever that interior plaque excessively warp and lead to.
As a further improvement of the invention, the gasket is of an annular ring structure, a plurality of diversion grooves are annularly arranged on the annular outer side of the gasket, and diversion gaps are arranged between the diversion grooves and the swinging shell; the gasket adopts the annular ring structure to reduce the volume between the front plate and the middle plate and between the middle plate and the back plate, and the circulation rate of cooling liquid is improved.
As a further improvement of the invention, an annular limiting baffle is arranged on the surface of the lower half part of the swinging shell; the limiting baffle can limit the swing angle of the swing shell, and the first liquid inlet and the liquid discharging cavity are prevented from being conducted due to the fact that the swing angle of the swing shell is too large.
The beneficial effects of the invention are as follows:
1. according to the invention, the original probe supporting rod and the connecting frame of the probe are improved, so that a circulating water channel capable of circulating cooling liquid or heating liquid is formed in the connecting frame, and meanwhile, a circulating water channel is formed in the probe supporting rod, the probe is at a proper working temperature through circulating water, and the possibility of deformation of the probe caused by the integral high temperature or low temperature of an operation environment is eliminated.
2. According to the invention, the annular supporting ribs are matched with the connecting seats of the inner decorative plates to realize the simulation fixing of the inner decorative plates, compared with the simulation mode of independently heating and cooling the inner decorative plates in the prior art, the scheme can more truly simulate the inner decorative plates to be clamped and fixed under a certain stress in the use process, and meanwhile, the arranged supporting ribs can expand with heat and contract with cold along with the ambient temperature so as to simulate the extrusion or stretching of the inner decorative plates by the real inner decorative plates.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a state of use diagram of the present invention;
FIG. 3 is a partial cross-sectional view of a probe-securing lever;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a schematic illustration of the fixation of a pressure strain gage;
FIG. 6 is a schematic illustration of the placement of a gasket;
in the figure: 1. a probe support plate; 2. a swing case; 3. a probe fixing rod; 4. a connecting plate; 5. a support sleeve; 6. a contact pin; 7. positioning the supporting ribs; 8. a panel connecting seat; 9. bending the bulge; 10. the buckle adapter plate; 11. a buckle connecting plate; 12. a clamping opening; 13. a fixing groove; 14. vehicle interior trim panels; 15. an adjustment tank; 16. a locking bolt; 17. a rear plate; 18. a middle plate; 19. a front plate; 20. a gasket; 21. a seal ring; 22. a liquid discharge pipe; 23. a liquid inlet pipe; 24. an upper case; 25. a lower case; 26. a first partition plate; 27. connecting sleeves; 28. a heat conducting ring; 29. a heat conducting sleeve; 30. a connection hole; 31. a second partition plate; 32. a first liquid inlet; 33. a first liquid discharge port; 34. a second liquid inlet; 35. a second liquid outlet; 36. a connecting ring; 37. a limiting baffle; 38. a floating sleeve; 39. a pressure strain gage; 40. a circulation port; 41. vibration-damping glue; 42. a vibration-damping tray; 43. a vibration-stopping ball block; 44. a support cover; 45. a clamping block; 46. a gasket; 47. a peripheral seal ring; 48. a flow guiding gap; 49. a thermally conductive liner; 50. and a heat conduction fin.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the invention and therefore show only the structures which are relevant to the invention.
A multi-tentacle vehicle panel aging deformation rate detection device; comprising the following steps:
as shown in fig. 2, the probe supporting mechanism comprises a plurality of probe supporting plates, an internal water channel for cooling the probe mechanism is arranged in each probe supporting plate, the probe supporting plates are connected through a connecting plate, a locking bolt is fixed at the end part of each probe supporting plate, a locking nut is arranged on each locking bolt, an adjusting groove is arranged at the end part of each connecting plate, the connecting plates are fixed through the locking nuts, and the adjustment of the angle positions between the probe supporting plates can be realized through the adjusting grooves and the shaping of the connecting plates;
as shown in fig. 3, the probe supporting plate comprises a front plate, a middle plate and a rear plate, wherein gaskets are arranged between the front plate and the middle plate and between the rear plate and the middle plate, peripheral sealing rings are coated on the peripheries of the front plate, the middle plate and the rear plate, a liquid inlet cavity is formed between the front plate and the middle plate through the gaskets, a liquid outlet cavity is formed between the rear plate and the middle plate, meanwhile, a liquid outlet pipe is arranged on the rear plate and extends into the liquid outlet cavity, a liquid inlet pipe is also arranged on the rear plate, and the liquid inlet pipe penetrates through the rear plate and the middle plate and extends into the liquid inlet cavity; the circulating liquid can enter the liquid inlet cavity from the liquid inlet pipe and then be discharged from the liquid discharge pipe; a plurality of mutually corresponding swinging holes are arrayed on the front plate, the middle plate and the rear plate, nylon sealing rings are embedded in the inner rings of the swinging holes, swinging shells are embedded between the front plate and the rear plate through the sealing rings on the three groups of the front plate, the middle plate and the rear plate, and the swinging shells realize sealing with the front plate, the middle plate and the rear plate through the sealing rings; as shown in fig. 6, the pad is in an annular ring structure, a plurality of diversion grooves are annularly arranged on the annular outer side of the pad, and diversion gaps are arranged between the diversion grooves and the swinging shell;
as shown in fig. 3, the swing shell is divided into an upper shell and a lower shell, a first partition plate is arranged between the upper shell and the lower shell, and a connecting ring is arranged on the inner ring of the first partition plate; the upper shell surface is annularly arranged with a plurality of first liquid inlets communicated with the liquid inlet cavity, the lower shell surface is annularly arranged with a plurality of first liquid outlets communicated with the liquid outlet cavity, and the lower shell surface is also embedded with a limit baffle for limiting the swing angle of the swing shell.
As shown in fig. 4, the probe mechanism comprises a probe fixing rod, the probe fixing rod is of a hollow structure, a sealing block is arranged at the tail end of the elastic fixing rod, the probe fixing rod penetrates from the middle of the swing shell and is in sealing connection with the swing shell, a plurality of second liquid inlets are arranged on the bottom side wall of the probe fixing rod corresponding to a part of annular arrays in the upper shell, and a plurality of second liquid outlets are arranged on the bottom side wall of the elastic fixing rod corresponding to a part of annular arrays in the lower class; the center of the front end of the probe fixing rod is fixedly provided with a supporting sleeve, the bottom of the supporting sleeve is provided with a connecting bulge, the supporting sleeve is fixed to the inner wall of the front end of the elastic fixing rod through the connecting bulge, the front end of the supporting sleeve is fixedly provided with a supporting cover, the inside of the supporting sleeve is fixedly provided with a vibration stopping mechanism, the vibration stopping mechanism comprises vibration stopping ball blocks, the inner wall of the supporting sleeve is provided with a vibration stopping sleeve, the vibration stopping sleeve comprises two groups of vibration stopping trays, the vibration stopping trays are arranged in mirror symmetry along the axis of the supporting sleeve, the surface of the vibration stopping tray is provided with supporting grooves for embedding spherical structures of the vibration stopping ball blocks, and vibration stopping glue made of silica gel is filled between the two ends of the vibration stopping ball blocks and the supporting grooves; the connecting sleeve is coaxially connected in the supporting sleeve through a silica gel sealing piece and a vibration-stopping ball block at the center of the supporting cover, a connecting hole with a blind hole structure is formed in the connecting sleeve, a floating sleeve is sleeved at the front end of the connecting sleeve, the center of the floating sleeve is connected with a contact pin for contacting with a detection part through the silica gel sealing piece, as shown in figure 5, a pressure strain gauge is arranged between the contact pin and the tail end of the connecting hole, a clamping block is integrally arranged at the tail end of the contact pin, a first clamping groove is formed in the clamping block, and one end of the pressure strain gauge is fixed in the clamping groove; the connecting sleeve is formed by combining two groups of clamping plates with semicircular spherical surfaces, a second clamping groove is formed between the clamping plates at the tail end position corresponding to the connecting hole, and the other end of the pressure strain gauge is fixed in the clamping groove; and the connecting holes are filled with heat-conducting silicone grease.
As shown in fig. 4, a heat conducting sleeve is sleeved at the tail end of the connecting sleeve through a heat conducting ring, the bottom of the heat conducting sleeve extends to the first partition plate position, a second partition plate is arranged on the inner wall of the rear end of the probe fixing rod, the second partition plate is in sealing connection with the outer side wall of the heat conducting sleeve, a plurality of circulation ports are annularly arranged on the side wall of the top of the heat conducting sleeve, a heat conducting lining is sleeved on the outer side wall of the heat conducting sleeve, and a plurality of heat conducting fins are linearly arranged on the surface of the heat conducting lining in an array mode.
As shown in fig. 1 and 2, the panel component connecting mechanism comprises an annular positioning support rib, the positioning support rib is fixedly connected to the front end of each elastic fixing rod, a panel connecting seat is arranged at the position between the positioning support rib and each probe fixing rod, a buckle adapter plate used for being connected with a panel is arranged at the front end of the panel connecting seat, and a buckle connecting plate is fixed at the front end of the panel connecting seat through the buckle adapter plate;
the front end of the probe fixing rod is provided with a fixing groove, a plurality of clamping openings are annularly arranged on the positioning support rib in an array manner, and the clamping openings are embedded into the fixing groove; a bending bulge is integrally arranged between the positioning support rib and the two adjacent probe fixing rods, and the buckling mechanism is fixed at the bending bulge position.
When the structure is used, the vehicle interior trim panel is connected with the buckle on the vehicle interior trim panel through the panel connecting seat which is arranged in the annular array, and the buckle on the vehicle interior trim panel is connected through the buckle adapter plate on the buckle adapter plate; after the fixing is finished, the vehicle interior trim panel can be repeatedly heated and cooled through heating or cooling equipment; meanwhile, through adjusting the angle of the probe fixing rod and the fixing angle of the probe supporting plate, the contact pin at the front end of the probe fixing rod is contacted with the buckle or the combined ring outside the outline of the vehicle interior trim plate, when the vehicle interior trim plate is in a high-temperature or low-temperature state, the buckle or the combined ring can deform to a certain extent due to expansion and contraction, when the deformation occurs, the contact pin pressed on the buckle or the combined ring can float by a certain amount due to deformation, and when the contact pin floats, the pressure strain gauge is pushed to stretch or relax, and the change of the resistance of the pressure strain gauge can be conveniently detected through the current bridge circuit, so that the detection of the deformation value is realized;
the circulating pump is connected with the liquid inlet pipe and the liquid outlet pipe, circulation of circulating liquid is realized through the circulating pump, and meanwhile, the circulating liquid is cooled or heated through the cooling water tank connected with the circulating pipeline; the circulating liquid firstly enters the liquid inlet cavity, then enters the swinging shell through a first liquid inlet arranged on the surface of the lower shell of the swinging shell, then enters a space between the heat conducting sleeve and the probe fixing rod through a second liquid inlet on the surface of the probe fixing rod, then washes the heat conducting fins on the surface of the heat conducting lining to cool the heat conducting sleeve, then is sprayed out from a circulating port at the top end of the heat conducting sleeve, enters the cooling sleeve, finally enters the cooling sleeve through a second liquid outlet, enters the liquid outlet cavity through the first liquid outlet, and finally flows back to the circulating pump through the liquid outlet pipe; the circulating liquid can cool the connecting sleeve through the circulation, and after the connecting sleeve, the elastic strain gauge and the contact pin can be cooled through heat conduction and silicone grease.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (10)
1. A multi-tentacle vehicle panel aging deformation rate detection device; the method is characterized by comprising the following steps:
the probe supporting mechanism comprises a plurality of probe supporting plates, the adjacent probe supporting plates are fixedly connected, and a plurality of probe mechanisms are connected on the elastic supporting plates in an array manner;
the probe mechanism comprises a probe fixing rod, the probe fixing rod is of a hollow structure, the tail end of the probe fixing rod is sleeved with a spherical swinging shell, and the swinging shell is embedded into the probe supporting plate; the central position of the front end of the probe fixing rod is fixedly provided with a pressure sensing probe, the pressure sensing probe comprises a connecting sleeve coaxially fixed at the front end of the probe fixing rod, a connecting hole is formed in the connecting sleeve, a floating sleeve is fixed at the front end of the connecting sleeve, a contact needle for contacting with a detection part is connected in the floating sleeve through an elastic connecting piece, a pressure strain gauge is arranged between the tail end of the contact needle and the tail end of the connecting hole, and heat conduction silicone grease is filled in the connecting hole;
the panel component connecting piece mechanism comprises an annular positioning support rib which is fixedly connected to the front ends of the elastic fixing rods, a panel connecting seat is arranged at the position, corresponding to the position between the probe fixing rods, of the positioning support rib, and a buckle mechanism used for being connected with the panel is arranged at the front end of the panel connecting seat;
the probe supporting plate comprises a front plate, a rear plate, a middle plate and a peripheral sealing ring, wherein the front plate is fixedly connected with the middle plate and the rear plate is fixedly connected with the middle plate through gaskets, a liquid inlet cavity is formed between the front plate and the middle plate, a liquid outlet cavity is formed between the rear plate and the middle plate, the peripheral sealing ring surrounds the periphery of the liquid inlet cavity and the liquid outlet cavity, a liquid outlet pipe is arranged on the rear plate and extends into the liquid outlet cavity, a liquid inlet pipe is further arranged on the rear plate, and the liquid inlet pipe penetrates through the rear plate and the middle plate and extends into the liquid inlet cavity;
the device comprises a front plate, a rear plate and a middle plate, wherein a plurality of swing holes are arrayed on the front plate, the rear plate and the middle plate, sealing rings are arranged on the inner walls of the swing holes, a swing shell is inlaid between the front plate and the rear plate through the sealing rings, a first partition plate is arranged in the middle of the swing shell, and the first partition plate is positioned between the inner wall of the swing shell and the outer wall of a probe fixing rod; a plurality of first liquid inlets are annularly arranged on the surface of the front half part of the swinging shell, a plurality of first liquid outlets are annularly arranged on the surface of the rear half part of the swinging shell, a plurality of second liquid inlets are arranged on the side wall surface of the probe fixing rod corresponding to the front half part of the swinging shell, and a plurality of second liquid outlets are arranged on the side wall surface of the probe fixing rod corresponding to the rear half part of the swinging shell;
the middle part of the inner wall of the probe fixing rod is provided with a second partition plate corresponding to the axial position of the first partition plate, the rear end of the connecting sleeve is sleeved with a heat conducting sleeve, the tail end of the heat conducting sleeve penetrates through and is fixed at the center of the second partition plate, and a plurality of circulation ports are annularly arranged on the front end surface of the heat conducting sleeve corresponding to the connecting position of the connecting sleeve.
2. The multi-tentacle vehicle panel aging deformation rate detecting apparatus according to claim 1, characterized in that: the sealing ring is made of nylon, an embedding groove used for being embedded into the front plate or the rear plate or the middle plate is formed in the outer ring of the sealing ring, and a sealing surface used for being in contact with the surface of the swinging shell is formed in the inner ring of the sealing ring.
3. The multi-tentacle vehicle panel aging deformation rate detecting apparatus according to claim 1, characterized in that: the front end of the probe fixing rod is fixedly connected with a supporting sleeve, the front end of the heat conducting sleeve is fixed on the inner wall of the supporting sleeve through a vibration reduction ring, the front end of the supporting sleeve is provided with a supporting cover, and the front end of the connecting sleeve is fixed at the center of the supporting cover through an elastic sealing piece.
4. A multi-tentacle vehicle panel aged deformation rate detection device according to claim 3, characterized in that: the vibration-damping device is characterized in that a vibration-damping mechanism is arranged between the inner wall of the front end of the supporting sleeve and the connecting sleeve, the vibration-damping mechanism comprises vibration-damping ball blocks sleeved on the outer side wall of the connecting sleeve, the inner wall of the supporting sleeve is provided with vibration-damping sleeves, each vibration-damping sleeve comprises two groups of vibration-damping trays, the vibration-damping trays are arranged in mirror symmetry along the axis of the supporting sleeve, the surfaces of the vibration-damping trays are provided with supporting grooves which are used for embedding spherical structures of the vibration-damping ball blocks, and vibration-damping rubber made of silica gel is filled between the two ends of the vibration-damping ball blocks and the supporting grooves.
5. The multi-tentacle vehicle panel aging deformation rate detecting apparatus according to claim 1, characterized in that: the outer side wall of the heat conducting sleeve is sleeved with a heat conducting bush, and a plurality of heat conducting fins are arranged on the surface of the heat conducting bush in a linear array mode.
6. The multi-tentacle vehicle panel aging deformation rate detecting apparatus according to claim 1, characterized in that: the swing shell is formed by mutually welding and fixing an upper shell and a lower shell, the outer edge of the first partition plate is inlaid between the upper shell and the lower shell, and a connecting ring for fixing a probe fixing rod is integrally arranged on the inner edge of the first partition plate.
7. The multi-tentacle vehicle panel aging deformation rate detecting apparatus according to claim 1, characterized in that: the tail end of the contact pin is integrally provided with a clamping block, a first clamping groove is formed in the clamping block, and one end of the pressure strain gauge is fixed in the clamping groove; the connecting sleeve is formed by combining two groups of clamping plates with semicircular spherical surfaces, a second clamping groove is formed between the clamping plates at the tail end position corresponding to the connecting hole, and the other end of the pressure strain gauge is fixed in the clamping groove.
8. The multi-tentacle vehicle panel aging deformation rate detecting apparatus according to claim 1, characterized in that: the front end of the probe fixing rod is provided with a fixing groove, a plurality of clamping openings are annularly arranged on the positioning support rib in an array manner, and the clamping openings are embedded into the fixing groove; a bending bulge is integrally arranged between the positioning support rib and the two adjacent probe fixing rods, and the buckling mechanism is fixed at the bending bulge position.
9. The multi-tentacle vehicle panel aging deformation rate detecting apparatus according to claim 1, characterized in that: the liner is of an annular ring structure, a plurality of diversion grooves are annularly arranged on the annular outer side of the liner in an array mode, and diversion gaps are formed between the diversion grooves and the swinging shell.
10. The multi-tentacle vehicle panel aging deformation rate detecting apparatus according to claim 1, characterized in that: an annular limiting baffle is arranged on the surface of the lower half part of the swing shell.
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| CN202211492270.XA CN115754556B (en) | 2022-11-25 | 2022-11-25 | Multi-tentacle vehicle panel aging deformation rate detection equipment |
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