CN116626103B - Sound and heat insulation material performance detection device and method - Google Patents
Sound and heat insulation material performance detection device and method Download PDFInfo
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- CN116626103B CN116626103B CN202310909221.XA CN202310909221A CN116626103B CN 116626103 B CN116626103 B CN 116626103B CN 202310909221 A CN202310909221 A CN 202310909221A CN 116626103 B CN116626103 B CN 116626103B
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- 238000001514 detection method Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000012774 insulation material Substances 0.000 title description 17
- 230000000903 blocking effect Effects 0.000 claims abstract description 25
- 230000005855 radiation Effects 0.000 claims abstract description 21
- 239000011810 insulating material Substances 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 9
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000012360 testing method Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 8
- 238000009413 insulation Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/11—Analysing solids by measuring attenuation of acoustic waves
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/90—Passive houses; Double facade technology
Abstract
The invention relates to the technical field of sound-proof and heat-proof material detection devices, in particular to a sound-proof and heat-proof material performance detection device and method, comprising the following steps: the device comprises a connecting frame, an upper mounting seat and a lower mounting seat; the upper mounting seat is fixedly connected with a sound generating element and a heat radiating element; the lower mounting seat is provided with a decibel measuring instrument and a thermal radiation measuring instrument; according to the invention, the sliding rod is firstly contacted with the shell, then the worker rotates the pulling screw rod, so that the pulling screw rod pulls the flexible adjusting ring, when the blocking plate on the pulling screw rod is contacted with the blocking plate on the sliding rod, the pulling screw rod stops rotating, and therefore, the flexible adjusting ring is pulled to be in a shape corresponding to the shell and can be attached to the shell, meanwhile, the sliding rod is provided with the rack and the toothed block, when the upper mounting seat and the lower mounting seat are clamped on two sides of the shell, the two parts of the sliding rod can slide relatively, the shell cannot be supported, and the contact between the flexible adjusting ring and the shell is influenced.
Description
Technical Field
The invention relates to the technical field of sound-proof and heat-proof material detection devices, in particular to a sound-proof and heat-proof material performance detection device and method.
Background
The sound-proof and heat-insulating material can absorb, reflect and disperse sound waves, can reduce the transmission of sound, has lower heat conductivity coefficient and can effectively reduce the heat transmission, so that the sound-proof and heat-insulating material has physical properties capable of blocking the transmission of sound and heat, and is commonly used in environments such as buildings, vehicles, airplanes, electronic equipment, industrial facilities and the like to provide more comfortable and quiet space;
the sound-proof and heat-proof material needs to detect the sound-proof performance and heat-proof performance of the sound-proof and heat-proof material, when the sound-proof and heat-proof material is subjected to sound-proof test, a decibel measuring instrument and a loudspeaker are usually adopted for measurement, the loudspeaker is placed on one side of the sound-proof and heat-proof material to cover the loudspeaker, and then the decibel measuring instrument is used on the other side to detect the change of front decibel and back decibel of the cover loudspeaker; the heat insulation performance test is to perform heat radiation on one side of the sound insulation and heat insulation material and detect the temperature on the other side of the sound insulation and heat insulation material;
when the sound and heat insulation material is installed in a transportation tool such as a vehicle or an airplane, the sound and heat insulation material is generally arranged in an interlayer of a shell, at the moment, the sound and heat insulation performance of the sound and heat insulation material needs to be detected, a detection device is required to be attached to the shell, the appearance of the shell of the machine body such as the vehicle and the airplane is in streamline change, the appearance of different parts is different, the detection device needs to be attached to the shell, the shape of the part contacted with the shell cannot be adjusted, and the different parts of the shell cannot be detected, so that limitation is caused.
Therefore, we propose a device and a method for detecting the performance of sound and heat insulation materials.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a device and a method for detecting the performance of a sound-insulating and heat-insulating material, which overcome the defects of the prior art and aim to solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: a sound and heat insulating material performance detection device, comprising: the device comprises a connecting frame, an upper mounting seat and a lower mounting seat; the upper mounting seat and the lower mounting seat are respectively arranged on the upper side and the lower side of the connecting frame, and the upper mounting seat is fixedly connected with a sound generating element and a heat radiating element; the lower mounting seat is provided with a decibel measuring instrument and a thermal radiation measuring instrument; the upper mounting seat and the lower mounting seat are fixedly connected with an electromagnet ring;
the upper mounting block and the lower mounting block are both provided with an adjusting mechanism; the adjusting mechanism can adjust the shape of the part contacted with the shell so that the part can be attached to different parts of the shell.
Preferably, the adjusting mechanism comprises a flexible adjusting ring, a sliding rod and a pulling screw; annular grooves are formed in the upper mounting seat and the lower mounting seat; the flexible adjusting ring is connected in the annular groove in a sliding way; the upper mounting seat and the lower mounting seat are provided with telescopic grooves; the telescopic groove is positioned outside the annular groove and surrounds the annular groove, and the telescopic groove is communicated with the annular groove; the end face of the flexible adjusting ring, which is positioned at one end in the annular groove, is uniformly and fixedly connected with a rotating seat; the pulling screw is rotationally connected with the rotating seat, and the outer side wall of the pulling screw is fixedly connected with and surrounds the blocking plate; a fixed block is fixedly connected in the annular groove; the fixed block is in threaded fit with the pulling screw; and one end of the sliding rod, which is positioned in the telescopic groove, is fixedly connected with a blocking plate.
Preferably, the sliding rod is a spring telescopic rod, one end of the telescopic rod is fixedly connected with a rack, and the other end of the telescopic rod is rotationally connected with a tooth-shaped block through a torsion spring; the tooth-shaped block can be meshed with the rack under the action of the torsion spring; and an electromagnet block is fixedly connected to the side wall of the telescopic groove.
Through the slide bar at first with the casing contact, the upper end of all slide bars forms the shape corresponding with the casing, then the staff rotates the pulling screw rod for the flexible adjusting ring of pulling screw rod pulling, stop rotating when the barrier plate on the pulling screw rod contacts with the barrier plate on the slide bar after the pulling screw rod, thereby flexible adjusting ring is pulled into the shape corresponding with the casing this moment, can laminate mutually with the casing, set up rack and tooth form piece on the slide bar simultaneously, when last mount pad and lower mount pad centre gripping are in the both sides of casing, can relative slip between the two parts of slide bar, can not support the casing, influence flexible adjusting ring and casing contact.
Preferably, the pulling screw is fixedly connected with a square rod; the square rod is in sliding fit with a sleeve; the sleeve is fixedly connected with a rotary round block; the outer side of the rotary round block is rotationally connected with a ring gear; the inner side wall of the ring gear is uniformly provided with clamping grooves; the clamping groove is internally and fixedly connected with a clamping spring, and the clamping groove is internally and slidably connected with a clamping block; the end part of the clamping block is arranged in an inclined shape; the outer side wall of the rotary round block is uniformly provided with a chute; the clamping spring pushes the clamping block to extend into the chute;
the ring gear on the pull screw meshes with the ring gear on an adjacent pull screw; the upper mounting seat and the lower mounting seat are fixedly connected with driving motors; the output shaft of the driving motor is fixedly connected with a driving gear; the drive gear is meshed with one of the ring gears.
Preferably, an adjusting groove is formed in one side, close to the clamping spring, of the clamping block; an adjusting block is connected in the adjusting groove in a sliding way; the adjusting block is fixedly connected with the clamping spring, and is in threaded connection with an adjusting rod; one end of the adjusting rod is rotationally connected with the side wall of the adjusting groove, and the other end of the adjusting rod penetrates through the ring gear; and the upper mounting seat and the lower mounting seat are fixedly connected with sealing covers.
By arranging the rotating round block, the ring gear, the clamping spring, the clamping block and other parts, the ring gear can drive other ring gears to drive, and meanwhile, when the screw rod is pulled to stop rotating, the driving of the ring gear is not influenced; meanwhile, the adjusting rod is arranged to adjust acting force of the clamping spring to the clamping block, abrasion is prevented from occurring due to long-time friction between the rotating circular ring and the clamping block, the clamping block is shortened, force of the clamping spring acting on the clamping block is reduced, and when the pulling screw rod pulls the flexible adjusting ring for a certain distance, the clamping block slides out of the chute and cannot pull the flexible adjusting ring upwards.
Preferably, the upper mounting seat and the lower mounting seat are both rotationally connected with a connecting block; the connecting block is rotationally connected with the connecting frame.
Preferably, the connecting block consists of a first rod and a second rod; the first rod is rotationally connected with the connecting frame; the first rod is rotatably connected with a sliding seat; the sliding seat is in sliding connection with the second rod; length scale marks are carved on the second rod.
Preferably, the sliding seat is fixedly connected with a rotating wheel; the connecting frame is rotationally connected with a steering wheel; and the rotating wheel and the steering wheel are sleeved with a synchronous belt.
Through setting up a pole and No. two poles to make the staff can be according to flexible length and rotation angle between No. one pole and No. two poles, with the position alignment of lower mount pad and last mount pad fast, make things convenient for the staff to operate.
A sound and heat insulation material performance detection method is suitable for the sound and heat insulation material performance detection device, and comprises the following steps:
s1, a worker pulls a second rod corresponding to the upper mounting seat, the upper mounting seat is placed on the shell, the upper mounting seat is pushed downwards, the sliding rod drives the corresponding blocking plate to move, then the pulling screw is rotated, the pulling screw pulls the flexible adjusting ring to deform, and therefore one side, close to the shell, of the flexible adjusting ring is changed into a shape corresponding to the shell;
s2, a worker pulls the length of the second rod corresponding to the lower mounting seat according to the extending length of the second rod corresponding to the upper mounting seat, so that the position of the lower mounting seat corresponds to the upper mounting seat, and the upper mounting seat and the lower mounting seat are arranged on two sides of the shell;
s3, the controller is used for introducing current into the electromagnet ring, the upper mounting seat and the lower mounting seat clamp the shell, then the sounding element emits sound, and the decibel measuring instrument is used for measuring the decibel at the other side of the shell; the heat radiation element emits heat radiation, and the heat radiation tester measures heat radiation conditions.
The invention has the beneficial effects that:
1. according to the invention, the sliding rods are firstly contacted with the shell, the upper ends of all the sliding rods form a shape corresponding to the shell, then a worker rotates the pulling screw rod, so that the pulling screw rod pulls the flexible adjusting ring, when the blocking plate on the pulling screw rod is contacted with the blocking plate on the sliding rod, the pulling screw rod stops rotating, and therefore, the flexible adjusting ring is pulled to a shape corresponding to the shell and can be attached to the shell, meanwhile, the sliding rods are provided with racks and toothed blocks, when the upper mounting seat and the lower mounting seat are clamped on two sides of the shell, the two parts of the sliding rods can slide relatively, the shell cannot be supported, and the contact between the flexible adjusting ring and the shell is influenced.
2. The invention can drive other ring gears to drive by arranging the rotating round block, the ring gear, the clamping spring, the clamping block and other parts, and meanwhile, when the screw rod is pulled to stop rotating, the transmission of the ring gear is not influenced; meanwhile, the adjusting rod is arranged to adjust acting force of the clamping spring to the clamping block, abrasion is prevented from occurring due to long-time friction between the rotating circular ring and the clamping block, the clamping block is shortened, force of the clamping spring acting on the clamping block is reduced, and when the pulling screw rod pulls the flexible adjusting ring for a certain distance, the clamping block slides out of the chute and cannot pull the flexible adjusting ring upwards.
3. According to the invention, the first rod and the second rod are arranged, so that a worker can rapidly align the positions of the lower mounting seat and the upper mounting seat according to the telescopic length and the rotating angle between the first rod and the second rod, and the worker can conveniently operate the device.
Drawings
FIG. 1 is a schematic diagram of a sound and heat insulation material performance detecting device according to the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is a partial cross-sectional view of the upper mount, flexible adjustment ring, slide bar and pull screw from the cross-sectional view at B-B in FIG. 1;
FIG. 4 is an enlarged view of FIG. 3 at D;
FIG. 5 is a schematic view of the closure, ring gear, and rotary knob of the present invention from the cross-sectional view C-C of FIG. 1;
fig. 6 is an enlarged view at E in fig. 5.
In the figure: 1. a connecting frame; 2. an upper mounting seat; 3. a lower mounting seat; 21. a sound emitting element; 22. a heat radiation element; 31. a decibel measuring instrument; 32. a thermal radiation tester; 33. an electromagnet ring; 41. a flexible adjustment ring; 42. a slide bar; 43. pulling the screw; 44. an annular groove; 45. a telescopic slot; 46. a rotating seat; 47. a blocking plate; 48. a fixed block; 5. a rack; 51. a tooth-shaped block; 52. an electromagnet block; 6. square rods; 61. a sleeve; 62. rotating the round block; 63. a ring gear; 64. a clamping groove; 65. a clamping spring; 66. a clamping block; 67. a chute; 68. a driving motor; 69. a drive gear; 7. an adjustment tank; 71. an adjusting block; 72. an adjusting rod; 8. a connecting block; 81. a first rod; 82. a second rod; 83. a sliding seat; 84. a rotating wheel; 85. a steering wheel; 86. a timing belt; 9. and (5) sealing the cover.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one: referring to fig. 1 of the drawings, a sound and heat insulation material performance detecting device includes: the connecting frame 1, the upper mounting seat 2 and the lower mounting seat 3; the upper mounting seat 2 and the lower mounting seat 3 are respectively arranged at the upper side and the lower side of the connecting frame 1, and the upper mounting seat 2 is fixedly connected with a sound generating element 21 and a heat radiating element 22; the lower mounting seat 3 is provided with a decibel measuring instrument 31 and a thermal radiation measuring instrument 32; an electromagnet ring 33 is fixedly connected in each of the upper mounting seat 2 and the lower mounting seat 3;
the upper mounting block and the lower mounting block are both provided with an adjusting mechanism; the adjusting mechanism can adjust the shape of the part contacted with the shell so that the part can be attached to different parts of the shell.
Referring to fig. 3 and 4 of the drawings, in this embodiment, the adjustment mechanism comprises a flexible adjustment ring 41, a slide rod 42 and a pull screw 43; annular grooves 44 are formed in the upper mounting seat 2 and the lower mounting seat 3; the flexible adjusting ring 41 is slidably connected within the annular groove 44; the upper mounting seat 2 and the lower mounting seat 3 are provided with telescopic grooves 45; the telescopic groove 45 is positioned outside the annular groove 44 and is arranged around the annular groove 44, and the telescopic groove 45 is communicated with the annular groove 44; the end face of the flexible adjusting ring 41, which is positioned at one end in the annular groove 44, is uniformly and fixedly connected with a rotating seat 46; the pulling screw 43 is rotatably connected with the rotating seat 46, and the outer side wall of the pulling screw 43 is fixedly connected with and surrounds the blocking plate 47; a fixed block 48 is fixedly connected in the annular groove 44; the fixed block 48 is in threaded fit with the pulling screw 43; the end of the sliding rod 42 located in the telescopic slot 45 is also fixedly connected with a blocking plate 47.
In the embodiment, the sliding rod 42 is a spring telescopic rod, one end of the telescopic rod is fixedly connected with the rack 5, and the other end of the telescopic rod is rotationally connected with the tooth-shaped block 51 through a torsion spring; the tooth-shaped block 51 can be meshed with the rack 5 under the action of a torsion spring; an electromagnet block 52 is fixedly connected to the side wall of the telescopic slot 45.
In the invention, when a worker uses the invention to detect the sound and heat insulation performance of sound and heat insulation materials installed in the shell of a vehicle or other machines, firstly, the upper mounting seat 2 is placed outside the shell, so that the end part of the sliding rod 42 is contacted with the outer surface of the shell, the worker presses the upper mounting seat 2 downwards, so that the sliding rod 42 moves upwards, the blocking plates 47 on the sliding rod 42 also move upwards, one end of the sliding rod 42 far away from the shell forms a shape corresponding to the shape of the shell, the corresponding blocking plates 47 on the different sliding rods 42 are at different heights, then the worker rotates the pulling screw 43 again, so that the pulling screw 43 moves upwards under the action of threads matched with the fixed blocks 48, and pulls the corresponding rotating seat 46, so that the rotating seat 46 pulls the flexible adjusting ring 41, and when the blocking plates 47 on the pulling screw 43 move upwards to the blocking plates 47 on the sliding rod 42 along with the pulling screw 43, the blocking plates 47 on the sliding rod 43 are blocked by the blocking plates 47 on the sliding rod 42, so that the pulling screw 43 can not rotate to form a part corresponding to the shape of the whole pulling screw 43, and the whole body can not rotate to form a part corresponding to the shape of the pulling screw 43, and the whole body can be pulled by the flexible adjusting ring 41, and the whole body can be pulled by the shape and the whole body can be pulled by the flexible adjusting ring 43.
The staff adjusts the shape of the flexible adjusting ring 41 on the lower mounting seat 3 according to the method, so that one side, close to the shell, of the flexible adjusting ring 41 on the lower mounting block is adjusted to be in a shape corresponding to the shell, then the controller then introduces two currents in opposite directions to the upper mounting seat 2 and the electromagnet rings 33 in the lower mounting seat 3, so that suction force is generated between the two electromagnet rings 33, and the upper mounting seat 2 and the lower mounting seat 3 are clamped and fixed on two sides of the shell; then the controller controls the sound producing element 21 (the loudspeaker is selected as the invention) in the upper mounting seat 2 to produce sound, the decibel measuring instrument 31 in the lower mounting seat 3 measures the decibel at the other side of the shell, thereby detecting the sound insulation effect when the sound insulation and heat insulation material is in the shell of the vehicle or other machinery, the controller controls the heat radiating element 22 (the ceramic heating pipe is selected as the invention) to emit heat radiation, the heat radiation tester 32 in the lower mounting seat 3 measures the heat radiation condition at the other side of the shell, and detects the heat insulation effect when the sound insulation and heat insulation material is in the shell of the vehicle or other machinery;
in the invention, when a worker rotates the pulling screw rods 43, the toothed blocks 51 are meshed with the racks 5, so that the two parts of the sliding rod 42 cannot relatively stretch and slide, when the worker rotates all the pulling screw rods 43 and adjusts the shape of the flexible adjusting ring 41, the worker introduces current into the electromagnet blocks 52 through the controller, so that the electromagnet blocks 52 attract the toothed blocks 51, and the toothed blocks 51 are separated from the racks 5, at the moment, the two parts of the sliding rod 42 can stretch and slide, and therefore, when the upper mounting seat 2 and the lower mounting seat 3 are clamped on two sides of the shell, the two parts of the sliding rod 42 can relatively slide, the shell cannot be supported, and the flexible adjusting ring 41 can be extruded, so that the upper mounting seat 2, the lower mounting seat 3 and the shell are sealed;
according to the invention, the sliding rods 42 are firstly contacted with the shell, the upper ends of all the sliding rods 42 form a shape corresponding to the shell, then a worker rotates the pulling screw rods 43, so that the pulling screw rods 43 pull the flexible adjusting ring 41, when the blocking plates 47 on the pulling screw rods 43 are contacted with the blocking plates 47 on the sliding rods 42, the pulling screw rods 43 stop rotating, and therefore, the flexible adjusting ring 41 is pulled into a shape corresponding to the shell and can be attached to the shell, meanwhile, the rack 5 and the toothed block 51 are arranged on the sliding rods 42, when the upper mounting seat 2 and the lower mounting seat 3 are clamped on two sides of the shell, the two parts of the sliding rods 42 can slide relatively, the shell is not supported, and the contact between the flexible adjusting ring 41 and the shell is influenced.
Referring to fig. 3 and 5 of the drawings, in this embodiment, a square rod 6 is fixedly connected to a pulling screw 43; the square rod 6 is in sliding fit with a sleeve 61; the sleeve 61 is fixedly connected with a rotary round block 62; the outer side of the rotary round block 62 is rotationally connected with a ring gear 63; the inner side wall of the ring gear 63 is uniformly provided with clamping grooves 64; a clamping spring 65 is fixedly connected in the clamping groove 64, and a clamping block 66 is connected in the clamping groove 64 in a sliding way; the end of the clamping block 66 is arranged in an inclined way; the outer side wall of the rotary round block 62 is uniformly provided with a chute 67; the clamping spring 65 pushes the clamping block 66 to extend into the chute 67;
the ring gear 63 on the pull screw 43 meshes with the ring gear 63 on the adjacent pull screw 43; the upper mounting seat 2 and the lower mounting seat 3 are fixedly connected with a driving motor 68; the output shaft of the driving motor 68 is fixedly connected with a driving gear 69; the drive gear 69 is meshed with one of the ring gears 63.
Referring to fig. 6 of the drawings, in this embodiment, an adjusting groove 7 is formed on one side of the engaging block 66, which is close to the engaging spring 65; an adjusting block 71 is connected in a sliding way in the adjusting groove 7; the adjusting block 71 is fixedly connected with the clamping spring 65, and the adjusting block 71 is in threaded connection with an adjusting rod 72; one end of the adjusting rod 72 is rotatably connected with the side wall of the adjusting groove 7, and the other end penetrates through the ring gear 63; the upper mounting seat 2 and the lower mounting seat 3 are fixedly connected with a sealing cover 9.
In the invention, the adjacent two rotating screws are driven by the ring gear 63, so that the directions of the adjacent two pulling screws 43 are opposite, and the parts of the adjacent two pulling screws 43 which are in threaded fit with the upper mounting seat 2 or the lower mounting seat 3 are opposite in directions, so that the two pulling screws 43 with opposite directions can move upwards to pull the corresponding parts of the flexible adjusting ring 41 when rotating;
when a worker rotates the pulling screw 43, the driving motor 68 drives the driving gear 69 to rotate one of the ring gears 63, so that the ring gear 63 drives the rotating round block 62, the sleeve 61, the square rod 6 and the pulling screw 43 to rotate, when the blocking plate 47 on the pulling screw 43 is blocked by the blocking plate 47 on the sliding rod 42, and the pulling screw 43 cannot rotate, the ring gear 63 and the rotating round block 62 relatively rotate, the chute 67 on the rotating round block 62 pushes the clamping block 66, so that the clamping block 66 is retracted into the clamping groove 64, and the clamping spring 65 is extruded, so that the ring gear 63 on the pulling screw 43 can still rotate to drive, so that other pulling screws 43 continue to rotate, and the other pulling screws 43 cannot be influenced;
when the pulling screw 43 rotates and moves upwards, the square rod 6 slides into the sleeve 61, so that the transmission of the pulling screw 43 is not influenced;
in the invention, the magnitude of the force which can be transmitted between the rotating circular block 62 and the ring gear 63 is related to the force of the clamping spring 65 pushing the clamping block 66, when the flexible adjusting ring 41 is pulled by the pulling screw 43, the force required by the pulling screw 43 for pulling the flexible adjusting ring 41 upwards is increased along with the increase of the deformation degree of the flexible adjusting ring 41, therefore, when the invention is used for a long time, the abrasion occurs between the rotating circular ring and the clamping block 66 for a long time, the clamping block 66 is shortened, the force of the clamping spring 65 acting on the clamping block 66 is reduced, at the moment, when the situation that the flexible adjusting ring 41 cannot be pulled upwards again after the pulling screw 43 pulls the flexible adjusting ring 41 for a certain distance, the clamping block 66 slides out from the chute 67, and at the moment, the staff rotates the adjusting rod 72, so that the adjusting block 71 moves outwards of the adjusting groove 7, so that the clamping spring 65 is compressed, the force of the clamping spring 65 acting on the clamping block 66 is increased, and the situation that the flexible adjusting ring 41 cannot be pulled again after a certain distance is prevented;
the invention, through setting up the parts such as the rotary round block 62, the ring gear 63, the clamping spring 65, the clamping block 66, etc., make the ring gear 63 not only drive other ring gears 63 to drive, when pulling the screw 43 to stop rotating at the same time, still do not influence the drive of the ring gear 63; meanwhile, the adjusting rod 72 is arranged to adjust the acting force of the clamping spring 65 on the clamping block 66, abrasion is prevented from occurring due to long-time friction between the rotating circular ring and the clamping block 66, the clamping block 66 is shortened, the force of the clamping spring 65 acting on the clamping block 66 is reduced, and when the situation that the flexible adjusting ring 41 is pulled by the pulling screw 43 for a certain distance, the clamping block 66 slides out from the chute 67 and cannot be pulled upwards again is caused.
Embodiment two: on the basis of the first embodiment, referring to fig. 1 and 2 of the specification, in this embodiment, a connecting block 8 is rotatably connected to both the upper mounting seat 2 and the lower mounting seat 3; the connecting block 8 is rotationally connected with the connecting frame 1.
In this embodiment, the connection block 8 is composed of a first rod 81 and a second rod 82; the first rod 81 is rotatably connected with the connecting frame 1; the first rod 81 is rotatably connected with a sliding seat 83; the sliding seat 83 is in sliding connection with the second rod 82; the second rod 82 is carved with length scale marks.
In this embodiment, a rotating wheel 84 is fixedly connected to the sliding seat 83; the connecting frame 1 is rotatably connected with a steering wheel 85; the turning wheel 84 and the steering wheel 85 are sleeved with a synchronous belt 86.
In the invention, when the shell of a vehicle or other machinery is longer and the position to be detected is far from the edge of the shell, a worker pulls the second rod 82 corresponding to the upper mounting seat 2 to extend out of the sliding seat 83 to watch the scale on the second rod 82, and then stretches out the second rod 82 corresponding to the lower mounting seat 3 by the length of the same scale, so that the positions of the upper mounting seat 2 and the lower mounting seat 3 are determined through the connecting block 8, the upper mounting seat 2 and the lower mounting seat 3 can be aligned quickly, and the situation that the worker cannot align the upper mounting seat 2 and the lower mounting seat 3 because the two sides of the shell cannot be compared with each other is prevented;
meanwhile, the rotating wheel 84 and the synchronous belt 86 are used for synchronizing the rotating angles between the two second rods 82 and the second rods 82, when detecting the arc-shaped shell of a vehicle or other machines, the first rods 81 and the second rods 82 corresponding to the upper mounting seat 2 rotate for a certain angle, so that the upper mounting seat 2 is in contact with the shell, when the second rods 82 on the upper mounting seat 2 rotate, the second rods 82 of the lower mounting seat 3 are driven by the synchronous belt 86 to rotate for the same angle, and at the moment, the upper mounting seat 2 and the lower mounting seat 3 can be compared only by pulling the second rods 82 of the lower mounting seat 3 out of the same distance as the second rods 82 of the upper mounting seat 2, so that the situation that the arc-shaped shell is not easily aligned with the upper mounting seat 2 and the lower mounting seat 3 is avoided when the second rods 82 of the upper mounting seat 2 rotate;
according to the invention, the first rod 81 and the second rod 82 are arranged, so that a worker can rapidly align the positions of the lower mounting seat 3 and the upper mounting seat 2 according to the telescopic length and the rotating angle between the first rod 81 and the second rod 82, and the worker can conveniently operate the device.
Embodiment III: a sound and heat insulation material performance detection method is suitable for the sound and heat insulation material performance detection device, and comprises the following steps:
s1, a worker pulls a second rod 82 corresponding to the upper mounting seat 2, the upper mounting seat 2 is placed on the shell, the upper mounting seat 2 is pushed downwards, the sliding rod 42 drives the corresponding blocking plate 47 to move, then the pulling screw 43 is rotated, the pulling screw 43 pulls the flexible adjusting ring 41 to deform, and therefore one side, close to the shell, of the flexible adjusting ring 41 changes into a shape corresponding to the shell;
s2, a worker pulls the length of the second rod 82 corresponding to the lower mounting seat 3 according to the extending length of the second rod 82 corresponding to the upper mounting seat 2, so that the position of the lower mounting seat 3 corresponds to the upper mounting seat 2, and the upper mounting seat 2 and the lower mounting seat 3 are positioned on two sides of the shell;
s3, the controller inputs current into the electromagnet ring 33, the upper mounting seat 2 and the lower mounting seat 3 clamp the shell, then the sounding element 21 sounds, and the decibel measuring instrument 31 measures the decibel at the other side of the shell; the heat radiating element 22 emits heat radiation, and the heat radiation tester 32 measures the heat radiation situation.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined by the appended claims; the scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A sound and heat insulating material performance detection device, comprising: the connecting frame (1), an upper mounting seat (2) and a lower mounting seat (3); the upper mounting seat (2) and the lower mounting seat (3) are respectively arranged on the upper side and the lower side of the connecting frame (1), and the upper mounting seat (2) is fixedly connected with a sound generating element (21) and a heat radiating element (22); the lower mounting seat (3) is provided with a decibel measuring instrument (31) and a thermal radiation measuring instrument (32); an electromagnet ring (33) is fixedly connected in each of the upper mounting seat (2) and the lower mounting seat (3);
the method is characterized in that: the upper mounting seat (2) and the lower mounting seat (3) are both provided with adjusting mechanisms; the adjusting mechanism can adjust the shape of the part contacted with the shell so that the part can be attached to different parts of the shell;
the adjusting mechanism comprises a flexible adjusting ring (41), a sliding rod (42) and a pulling screw rod (43); annular grooves (44) are formed in the upper mounting seat (2) and the lower mounting seat (3); the flexible adjusting ring (41) is slidably connected in the annular groove (44); the upper mounting seat (2) and the lower mounting seat (3) are provided with telescopic grooves (45); the telescopic groove (45) is positioned outside the annular groove (44) and is arranged around the annular groove (44), and the telescopic groove (45) is communicated with the annular groove (44); the end face of the flexible adjusting ring (41) positioned at one end in the annular groove (44) is uniformly and fixedly connected with a rotating seat (46); the pulling screw rod (43) is rotationally connected with the rotating seat (46), and the outer side wall of the pulling screw rod (43) is fixedly connected with and surrounds the blocking plate (47); a fixed block (48) is fixedly connected in the annular groove (44); the fixed block (48) is in threaded fit with the pulling screw (43); and a blocking plate (47) is fixedly connected to one end of the sliding rod (42) positioned in the telescopic groove (45).
2. The sound and heat insulating material performance detection device according to claim 1, wherein: the sliding rod (42) is a spring telescopic rod, one end of the telescopic rod is fixedly connected with a rack (5), and the other end of the telescopic rod is rotationally connected with a tooth-shaped block (51) through a torsion spring; the tooth-shaped block (51) can be meshed with the rack (5) under the action of the torsion spring; an electromagnet block (52) is fixedly connected to the side wall of the telescopic groove (45).
3. The sound and heat insulating material performance detecting device according to claim 2, wherein: the pulling screw rod (43) is fixedly connected with a square rod (6); the square rod (6) is in sliding fit with a sleeve (61); a rotary round block (62) is fixedly connected to the sleeve (61); the outer side of the rotary round block (62) is rotationally connected with a ring gear (63); the inner side wall of the ring gear (63) is uniformly provided with clamping grooves (64); a clamping spring (65) is fixedly connected in the clamping groove (64), and a clamping block (66) is slidably connected in the clamping groove (64); the end part of the clamping block (66) is arranged in an inclined shape; the outer side wall of the rotary round block (62) is uniformly provided with a chute (67); the clamping spring (65) pushes the clamping block (66) to extend into the chute (67);
-said ring gear (63) on said pull screw (43) is meshed with said ring gear (63) on an adjacent said pull screw (43); the upper mounting seat (2) and the lower mounting seat (3) are fixedly connected with a driving motor (68); an output shaft of the driving motor (68) is fixedly connected with a driving gear (69); the drive gear (69) is in mesh with one of the ring gears (63).
4. A sound and heat insulating material performance testing device according to claim 3, wherein: an adjusting groove (7) is formed in one side, close to the clamping spring (65), of the clamping block (66); an adjusting block (71) is connected in a sliding way in the adjusting groove (7); the adjusting block (71) is fixedly connected with the clamping spring (65), and the adjusting block (71) is in threaded connection with an adjusting rod (72); one end of the adjusting rod (72) is rotationally connected with the side wall of the adjusting groove (7), and the other end of the adjusting rod penetrates through the ring gear (63); and the upper mounting seat (2) and the lower mounting seat (3) are fixedly connected with a sealing cover (9).
5. The sound and heat insulating material performance detecting device according to claim 4, wherein: the upper mounting seat (2) and the lower mounting seat (3) are both rotationally connected with a connecting block (8); the connecting block (8) is rotationally connected with the connecting frame (1).
6. The sound and heat insulating material performance detecting device according to claim 5, wherein: the connecting block (8) consists of a first rod (81) and a second rod (82); the first rod (81) is rotationally connected with the connecting frame (1); the first rod (81) is rotatably connected with a sliding seat (83); the sliding seat (83) is in sliding connection with the second rod (82); length scale marks are carved on the second rod (82).
7. The sound and heat insulating material performance detecting device according to claim 6, wherein: the sliding seat (83) is fixedly connected with a rotating wheel (84); the connecting frame (1) is rotationally connected with a steering wheel (85); and the rotating wheel (84) and the steering wheel (85) are sleeved with a synchronous belt (86).
8. A sound and heat insulating material performance detecting method, which is suitable for a sound and heat insulating material performance detecting device according to any one of claims 1 to 7, characterized in that: the method comprises the following steps:
s1, a worker pulls a second rod (82) corresponding to the upper mounting seat (2), the upper mounting seat (2) is placed on the shell, the upper mounting seat (2) is pushed downwards, the sliding rod (42) drives the corresponding blocking plate (47) to move, then the pulling screw (43) is rotated, the pulling screw (43) pulls the flexible adjusting ring (41) to deform, and therefore one side, close to the shell, of the flexible adjusting ring (41) changes into a shape corresponding to the shell;
s2, a worker pulls the length of the second rod (82) corresponding to the lower mounting seat (3) according to the extending length of the second rod (82) corresponding to the upper mounting seat (2), so that the position of the lower mounting seat (3) corresponds to the upper mounting seat (2), and the upper mounting seat (2) and the lower mounting seat (3) are positioned on two sides of the shell;
s3, the controller is used for introducing current into the electromagnet ring (33), the upper mounting seat (2) and the lower mounting seat (3) clamp the shell, then the sounding element (21) emits sound, and the decibel measuring instrument (31) is used for measuring the decibel at the other side of the shell; the heat radiation element (22) emits heat radiation, and the heat radiation tester (32) measures the heat radiation condition.
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