CN116429627B - Be used for attaching frame section bar high low temperature repetition dimensional change rate detection test device - Google Patents
Be used for attaching frame section bar high low temperature repetition dimensional change rate detection test device Download PDFInfo
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- 238000012360 testing method Methods 0.000 title claims abstract description 176
- 230000008859 change Effects 0.000 title claims abstract description 28
- 238000001514 detection method Methods 0.000 title claims abstract description 14
- 239000012634 fragment Substances 0.000 claims description 14
- 230000000670 limiting effect Effects 0.000 claims description 12
- 238000009423 ventilation Methods 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 6
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- 230000005389 magnetism Effects 0.000 claims description 3
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- 238000005259 measurement Methods 0.000 abstract description 6
- 230000001681 protective effect Effects 0.000 description 12
- 238000004891 communication Methods 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 5
- 238000004088 simulation Methods 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/60—Investigating resistance of materials, e.g. refractory materials, to rapid heat changes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G01N3/068—Special adaptations of indicating or recording means with optical indicating or recording means
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Abstract
The invention discloses a high-low temperature repeated dimensional change rate detection test device for an attached frame profile, which relates to the technical field of high-low temperature test boxes and comprises the following components: the box body assembly comprises a test box body, and three ranging holes are formed in the rear surface of the test box body. This a be used for attaching frame section bar high low temperature to relapse size change rate detection test device, when using, at first place the test piece on supporting platform, through starting the negative pressure pump, make the piston remove in the slide, thereby drive the locating piece and remove, until reflecting plate and test piece are hugged closely completely, at this moment, through starting electric putter, make the position of laser range finder remove corresponding range finding hole department, distance between laser range finder and the reflecting plate is subtracted to the distance between laser range finder and the test box, be the length at the time of the test piece, do not need to open the guard gate in the course of size measurement.
Description
Technical Field
The invention relates to the technical field of high-low temperature test boxes, in particular to a test device for detecting the high-low temperature repeated dimensional change rate of an attached frame section bar.
Background
The attached frame profile is a metal profile for fixing glass or plates in building doors and windows, is usually made of aluminum alloy, stainless steel and other materials, has the characteristics of high strength, corrosion resistance, light weight and the like, and can be influenced by environmental temperature in the use process, and the high-temperature or low-temperature environment can cause dimensional change or deformation of the attached frame profile, so that the tightness, stability and safety of the doors and windows are influenced, and therefore, the test of the high-temperature and low-temperature performance of the attached frame profile is necessary.
In the prior art, for example, the Chinese patent number is: CN114264983a discloses a high-low temperature environment simulation test box, which comprises a base, the top outer wall of base is fixed with heater, refrigerator and simulation case in proper order, and is connected with through intermittent type nature reciprocating mechanism in the simulation case and places the board, be equipped with heat dissipation mechanism on the simulation case, and heat dissipation mechanism includes the radiating component that drive assembly and equidistance distribute. The intermittent reciprocating mechanism is arranged, the placing plate performs intermittent reciprocating motion in the simulation box, so that the drop-out fuse placed on the placing plate can be dynamically tested, the test can be performed under different height environments, and the accuracy of an experiment result is improved; be provided with heat dissipation mechanism, can drive all heat dissipation components simultaneously through drive assembly and dispel the heat work, can carry out quick high-efficient cooling after high temperature environment test is accomplished like this for the refrigerator can refrigerate fast and reach low temperature environment, has improved experimental progress and efficiency.
In the prior art, the high-low temperature test can simulate the use environment of the attached frame section bar at different temperatures, and the high-low temperature adaptability of the attached frame section bar is evaluated by measuring the dimensional change rate of the attached frame section bar at different temperatures, however, after the attached frame section bar passes through the high-low temperature test, the length of the attached frame section bar can be measured only by opening the door of the test box to take out the section bar in the test, and then the temperature of the section bar in the test box can be obviously changed when the door of the test box is completely opened to take out the section bar, and the measured size is inaccurate, so that the test result is easy to error.
Therefore, we propose a test device for detecting the repeated dimensional change rate of the attached frame profile at high and low temperatures so as to solve the problems set forth in the above.
Disclosure of Invention
The invention aims to provide a test device for detecting the high-low temperature repeated dimensional change rate of a frame-attached section bar, which is used for solving the problem that the length of the frame-attached section bar can be measured only by opening the door of a test box to take out the section bar in the test after the frame-attached section bar is subjected to a high-low temperature test in the prior art, so that the temperature of the section bar can be obviously changed when the door of the test box is completely opened to take out the section bar in the test, and the measured size is inaccurate at the moment, so that the error easily occurs to the test result.
In order to achieve the above purpose, the present invention provides the following technical solutions: a be used for attaching frame section bar high low temperature repetition dimensional change rate detection test device includes: the box body assembly comprises a test box body, and three ranging holes are formed in the rear surface of the test box body; the positioning assembly comprises a communicating bin, three sliding drums are fixedly communicated with the front surface of the communicating bin, pistons are slidably connected to the inner walls of the three sliding drums, sliding rods are fixedly installed on one sides of the three pistons, supporting sliding blocks are fixedly installed at one ends of the three sliding rods, positioning blocks are fixedly connected to the top ends of the three supporting sliding blocks, and reflecting plates are fixedly connected to one ends of the three positioning blocks; the distance measuring assembly comprises two supporting frames, an auxiliary plate is movably connected between the tops of the supporting frames, a reinforcing block is fixed at the center of the bottom of the auxiliary plate, an electric push rod is arranged on one side of the reinforcing block, one end of the electric push rod is fixedly connected with one side of one supporting frame, a connecting frame is mounted on the top of the auxiliary plate, and a laser range finder is arranged on the top of the connecting frame.
Preferably, three the one end of slide bar slides respectively and runs through three slide tube to outside, the back surface wall fixed mounting of test box has three bracing piece, and is three the one end of bracing piece slides respectively and runs through three support slider to outside, and is three the equal fixed mounting of one end of bracing piece has the reinforcing plate, and is three the bottom of reinforcing plate all is connected with the inside bottom surface of test box is fixed, three the one end of slide tube is all run through to the outside of test box, the rear surface fixed intercommunication in intercommunication storehouse has the ventilation pipe, the intercommunication storehouse is fixed at the rear surface of test box, slides on the slide bar through the slide tube, can prevent to support the slider and appear the slope when removing, and one side half parcel formula that will support the platform through the locating piece removes, can make the reflecting plate more stable in the use, makes the size measurement more accurate.
Preferably, the mounting plate is installed through the screw to the rear surface of test box, the bottom of mounting plate is provided with the negative pressure pump, the output of negative pressure pump and the one end fixed communication of ventilation pipe, the bottom fixed mounting of mounting plate has the backplate, the surface of backplate is provided with pressure controller, can be to the ventilation pipe in admitting air or bleed through starting the negative pressure pump to be convenient for drive the reflecting plate and remove, through the use of pressure controller cooperation negative pressure pump, can close the negative pressure pump when the pressure of negative pressure pump stabilizes.
Preferably, the top of laser range finder is fixed with the movable block, the back surface fixed mounting of test box has two mounts, two fixedly connected with movable rod between the relative of mount, the one end slip of movable rod runs through the movable block to outside, the both ends of accessory plate all are fixed with the dog, through fixing mount and movable rod firm the surface of installing at the test box, can make the movable block can keep laser range finder and range finding hole to correspond when the surface slip of movable rod.
Preferably, the inside bottom surface fixed mounting of test box has supporting component, supporting component is including supporting platform, supporting platform's bottom is close to the equal fixedly connected with backup pad of both sides edge, supports supporting platform through the backup pad, when can realizing that the test piece is placed, also can set up the structure in supporting platform's bottom.
Preferably, three limiting assemblies are fixedly connected to the top of the supporting plate, each limiting assembly comprises four mounting blocks, the outer surfaces of the four mounting blocks are provided with mounting grooves, and the connecting blocks can be moved through the mounting grooves.
Preferably, four equal fixed mounting has two gag levers post between the inner wall of mounting groove, every two equal slip cap is equipped with the connecting block between the surface of gag lever post, all welds between the surface of every two connecting blocks has the shell fragment, every two all be provided with the test piece between the relative of shell fragment, place between two corresponding shell fragments respectively with three test piece, the test piece extrudees two shell fragments to both sides, the crookedness of shell fragment changes, the connecting block can slide on the gag lever post this moment, can assist the deformation of shell fragment, then, through the elasticity of two shell fragments, the position changes and influences measuring result when can avoid the test piece to place on supporting platform.
Preferably, one side of the test box body is provided with a heater main body, the other side of the test box body is provided with a refrigerator main body, the top of the test box body is provided with a temperature display, the heater main body is opened by connecting an external power supply, so that heat generated by the heater main body is released in the test box body, the test piece is heated, the temperature in the test box body can be detected through the temperature display, and the test result can be more accurate.
Preferably, the draw-in groove has been seted up to one side inner wall of test box, the equal fixed mounting in inside top surface and the bottom surface of test box has the slip track, two sliding connection has the protection component between the inner wall of slip track, the protection component is including the guard gate, a plurality of vents have been seted up to the front surface of guard gate, the inner wall of draw-in groove is provided with the negative pole magnetic stripe, one side of guard gate is provided with the positive pole magnetic stripe, the surface of negative pole magnetic stripe is connected with the surface magnetism of positive pole magnetic stripe, makes it close through removing the guard gate on the slip track, and when positive pole magnetic stripe is connected with negative pole magnetic stripe, the guard gate can close closely, and wherein, the aperture of vent should be very little, when oozing hot gas and air conditioning as far as possible, prevents simultaneously that test box is inside too sealed, and pressure is too big, reduces the potential safety hazard.
Preferably, the opposite side fixedly connected with curb plate of guard gate, the opposite side slip of guard gate runs through test box to outside, one side of curb plate is provided with multistage electric telescopic handle, the surface fixed cover of multistage electric telescopic handle is equipped with the stopper, the bottom of stopper and the top fixed connection of test box, the one end fixed mounting of multistage electric telescopic handle has the fixed block, the bottom of fixed block and the top fixed connection of test box through starting multistage electric telescopic handle for multistage electric telescopic handle drives the curb plate and to retrieve, thereby drives the guard gate and to retrieve, inwards pushes away the guard gate along two slip tracks, and when anodal magnetic stripe and negative pole magnetic stripe magnetic connection inhale, the guard gate is closed in a complete fit.
Compared with the prior art, the invention has the beneficial effects that:
1. when the device is used, firstly, a test piece is placed on a supporting platform, the negative pressure pump is started, the piston moves in the sliding cylinder, the positioning block is driven to move until the reflecting plate is completely clung to the test piece, at the moment, the electric push rod is started, the position of the laser range finder moves to the corresponding range finding hole, the distance between the laser range finder and the test box body is subtracted from the distance between the laser emitted by the laser range finder and the reflecting plate, the length of the test piece at that time is the distance, the protective door is not required to be opened in the process of measuring the size, and the problem that the temperature at which the test piece is obviously changed when the test piece is needed to be opened for taking out the test piece after the existing high-low temperature test is solved, so that errors are easy to occur in the test result is caused.
2. When the test piece is used, three test pieces are respectively placed between two corresponding elastic pieces, the two elastic pieces are extruded to two sides by the test pieces, the bending degree of the elastic pieces is changed, the connecting block can slide on the limiting rod and can assist the deformation of the elastic pieces, and then the position is changed to influence the measurement result through the elastic force of the two elastic pieces when the test pieces are placed on the supporting platform.
3. When using, through starting multistage electric telescopic handle for multistage electric telescopic handle drives the curb plate and to retrieve, thereby drives the guard gate and to retrieve, inwards pushes away the guard gate along two slip tracks, when anodal magnetic stripe and negative pole magnetic stripe magnetism are connected and inhale mutually, the guard gate laminate completely and close, and wherein, the aperture of vent should be very little, when oozing steam and air conditioning as far as possible, prevents simultaneously that the test box is inside too sealed, and the pressure is too big, reduces the potential safety hazard.
Drawings
FIG. 1 is a front perspective view of a test apparatus for detecting the rate of change of high and low temperature repeated dimensions of an attached frame profile according to the present invention;
FIG. 2 is a rear perspective view of a test apparatus for detecting the rate of change of high and low temperature repeated dimensions of a framed section bar in accordance with the present invention;
FIG. 3 is a partial perspective view of a protective assembly for a high and low temperature repeated dimensional change rate detection test device for a framed section of the present invention;
FIG. 4 is an internal perspective view of a housing assembly for a high and low temperature repeated dimensional change rate detection test apparatus for a framed section of the present invention;
FIG. 5 is a partial perspective view of a distance measuring assembly for a high and low temperature repeated dimensional change rate detection test device for an attached frame profile according to the present invention;
FIG. 6 is a partial perspective view of a positioning assembly for a high and low temperature repeated dimensional change rate detection test device for a framed section of the present invention;
FIG. 7 is another perspective view of a portion of a positioning assembly for a high and low temperature repeated dimensional change rate detection test device for a framed section of the present invention;
FIG. 8 is a partial perspective view of a limiting assembly for a high and low temperature repeated dimensional change rate detection test apparatus for a framed section of the present invention.
In the figure: 1. a housing assembly; 101. a test box; 102. a clamping groove; 103. a sliding rail; 2. a protective assembly; 201. a protective door; 202. a side plate; 203. a vent; 204. a multi-stage electric telescopic rod; 205. a positive magnetic stripe; 206. a negative magnetic stripe; 207. a limiting block; 208. a fixed block; 3. a refrigerator main body; 4. a positioning assembly; 401. a communicating bin; 402. a ventilation pipe; 403. a reinforcing plate; 404. a support rod; 405. a support slider; 406. a positioning block; 407. a reflection plate; 408. a slide bar; 409. a piston; 410. a slide cylinder; 5. a defining assembly; 501. a mounting block; 502. a limit rod; 503. a connecting block; 504. a mounting groove; 505. a spring plate; 6. a ranging assembly; 601. a fixing frame; 602. a moving rod; 603. a movable block; 604. a laser range finder; 605. a connecting frame; 606. an auxiliary plate; 607. a support frame; 608. a reinforcing block; 609. an electric push rod; 610. a stop block; 7. a mounting plate; 8. a negative pressure pump; 9. a pressure controller; 10. a back plate; 11. a heater main body; 12. a ranging hole; 13. a support assembly; 1301. a support platform; 1302. a support plate; 14. a temperature display.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. 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.
Referring to fig. 1-8, the present invention provides a technical solution: a be used for attaching frame section bar high low temperature repetition dimensional change rate detection test device includes: the box body assembly 1, wherein the box body assembly 1 comprises a test box body 101, and three ranging holes 12 are formed in the rear surface of the test box body 101; the positioning assembly 4 comprises a communication bin 401, wherein the front surface of the communication bin 401 is fixedly communicated with three sliding drums 410, the inner walls of the three sliding drums 410 are all connected with pistons 409 in a sliding mode, one sides of the three pistons 409 are all fixedly provided with sliding rods 408, one ends of the three sliding rods 408 are all fixedly provided with supporting sliding blocks 405, the top ends of the three supporting sliding blocks 405 are all fixedly connected with positioning blocks 406, and one ends of the three positioning blocks 406 are all fixedly connected with reflecting plates 407; the distance measuring assembly 6, the distance measuring assembly 6 is including two support frames 607, swing joint has the auxiliary plate 606 between the top of two support frames 607, and the bottom center department of auxiliary plate 606 is fixed with the boss 608, and one side of boss 608 is provided with electric putter 609, and one end and one side fixed connection of one of them support frame 607 of electric putter 609, link 605 is installed at the top of auxiliary plate 606, and the top of link 605 is provided with laser range finder 604.
As shown in fig. 2, fig. 6 and fig. 7, one end of three slide bars 408 respectively slides through three slide drums 410 to the outside, three support bars 404 are fixedly installed on the rear surface wall of the test box body 101, one end of each of the three support bars 404 respectively slides through three support sliding blocks 405 to the outside, one end of each of the three support bars 404 is fixedly provided with a reinforcing plate 403, the bottoms of the three reinforcing plates 403 are fixedly connected with the inner bottom surface of the test box body 101, one end of each of the three slide drums 410 extends through the outside of the test box body 101, a ventilation pipe 402 is fixedly communicated with the rear surface of the communication bin 401, the communication bin 401 is fixed on the rear surface of the test box body 101, the support sliding blocks 405 can be prevented from inclining when moving, one side of the support platform 1301 is moved in a semi-wrapping manner through the positioning blocks 406, the reflecting plate 407 can be more stable in the use process, and the dimension measurement is more accurate.
As shown in fig. 2, the rear surface of the test box 101 is provided with a mounting plate 7 through screws, the bottom of the mounting plate 7 is provided with a negative pressure pump 8, the output end of the negative pressure pump 8 is fixedly communicated with one end of a ventilation pipe 402, the bottom of the mounting plate 7 is fixedly provided with a back plate 10, the outer surface of the back plate 10 is provided with a pressure controller 9, air can be introduced or exhausted into the ventilation pipe 402 by starting the negative pressure pump 8, so that the reflecting plate 407 is convenient to drive to move, and the negative pressure pump 8 can be closed when the pressure of the negative pressure pump 8 is stable by matching the use of the pressure controller 9 with the negative pressure pump 8.
As shown in fig. 2 and 5, a movable block 603 is fixed on the top of the laser range finder 604, two fixing frames 601 are fixedly mounted on the rear surface of the test box body 101, a movable rod 602 is fixedly connected between the opposite positions of the two fixing frames 601, one end of the movable rod 602 slides through the movable block 603 to the outside, two ends of the auxiliary plate 606 are both fixed with a stop block 610, and the movable block 603 can keep the laser range finder 604 corresponding to the ranging hole 12 when the surface of the movable rod 602 slides by firmly mounting the fixing frames 601 and the movable rod 602 on the surface of the test box body 101.
As shown in fig. 4 and 6, the supporting component 13 is fixedly mounted on the bottom surface of the test box 101, the supporting component 13 comprises a supporting platform 1301, the bottom of the supporting platform 1301 is close to two side edges and fixedly connected with a supporting plate 1302, the supporting platform 1301 is supported by the supporting plate 1302, and a structure can be arranged at the bottom of the supporting platform 1301 while a test piece is placed.
As shown in fig. 6 and 8, three limiting assemblies 5 are fixedly connected to the top of the supporting plate 1302, the limiting assemblies 5 include four mounting blocks 501, the outer surfaces of the four mounting blocks 501 are provided with mounting grooves 504, and the movement of the connecting blocks 503 can be realized through the mounting grooves 504.
As shown in fig. 6 and 8, two stop levers 502 are fixedly installed between the inner walls of the four mounting grooves 504, a connecting block 503 is sleeved between the outer surfaces of every two stop levers 502 in a sliding manner, an elastic piece 505 is welded between the outer surfaces of every two connecting blocks 503, a test piece is arranged between the opposite surfaces of every two elastic pieces 505, three test pieces are respectively placed between the two corresponding elastic pieces 505, the two elastic pieces 505 are extruded to two sides by the test piece, the bending degree of the elastic piece 505 changes, at the moment, the connecting block 503 can slide on the stop levers 502, the deformation of the elastic piece 505 can be assisted, and then the influence on a measurement result caused by the change of the position of the test piece when the test piece is placed on a supporting platform 1301 can be avoided through the elastic force of the two elastic pieces 505.
As shown in fig. 1, 2 and 4, one side of the test box 101 is provided with a heater main body 11, the other side of the test box 101 is provided with a refrigerator main body 3, the top of the test box 101 is provided with a temperature display 14, the heater main body 11 is opened by connecting an external power supply, so that heat generated by the heater main body 11 is released inside the test box 101, the test piece is heated, the temperature inside the test box 101 can be detected by the temperature display 14, and the test result can be more accurate.
As shown in fig. 1-3, a clamping groove 102 is formed in an inner wall of one side of a test box body 101, sliding rails 103 are fixedly installed on the top surface and the bottom surface of the inside of the test box body 101, a protection assembly 2 is connected between the inner walls of the two sliding rails 103 in a sliding manner, the protection assembly 2 comprises a protection door 201, a plurality of ventilation openings 203 are formed in the front surface of the protection door 201, a negative pole magnetic strip 206 is arranged on the inner wall of the clamping groove 102, a positive pole magnetic strip 205 is arranged on one side of the protection door 201, the outer surface of the negative pole magnetic strip 206 is magnetically connected with the outer surface of the positive pole magnetic strip 205, the protection door 201 is closed by moving the protection door 201 on the sliding rails 103 until the positive pole magnetic strip 205 is magnetically connected with the negative pole magnetic strip 206, the protection door 201 can be tightly closed, the aperture of the ventilation openings 203 should be very small, and too high pressure intensity of pressure is prevented from being too high inside the test box body 101 when hot air and cold air are oozed as little as possible, and potential safety hazards are reduced.
As shown in fig. 1-3, a side plate 202 is fixedly connected to the other side of the protective door 201, the other side of the protective door 201 penetrates through the test box 101 to the outside in a sliding manner, a multi-stage electric telescopic rod 204 is arranged on one side of the side plate 202, a limiting block 207 is fixedly sleeved on the outer surface of the multi-stage electric telescopic rod 204, the bottom of the limiting block 207 is fixedly connected with the top of the test box 101, a fixing block 208 is fixedly installed at one end of the multi-stage electric telescopic rod 204, the bottom of the fixing block 208 is fixedly connected with the top of the test box 101, the multi-stage electric telescopic rod 204 is started to enable the multi-stage electric telescopic rod 204 to drive the side plate 202 to recycle, so that the protective door 201 is driven to recycle, the protective door 201 is pushed inwards along the two sliding rails 103, and when the positive magnetic stripe 205 and the negative magnetic stripe 206 are magnetically connected to attract each other, the protective door 201 is completely attached and closed.
The application method and the working principle of the device are as follows: when in use, the high-low temperature detection test box is used for determining the capability of the auxiliary frame section bar to resist the repeated change of temperature, the test box body 101 of the high-low temperature environment test box is made of a material resistant to the high-low temperature change, the constant temperature sensitivity is 1 ℃ and the temperature ranges from minus 30 ℃ to 100 ℃, the precision of the laser range finder 604 is not lower than 0.02mm, the length ranges from 1000 to 20mm, when in preparation of a test sample, one test piece with the length of 1000 to 5mm is cut from three auxiliary frame section bars, the cut is flat and vertical to the visible surface of the section bar, at the moment, the test step can be started, firstly, the test piece is subjected to state adjustment at the temperature of 23 ℃ for not less than 24 hours, secondly, the surface of the test piece is cleaned and dried by using a little of absorbent gauze, the test piece is placed in the high-low temperature environment test box with the temperature stable at the temperature of 23 ℃, the initial length of the test piece is measured by using a laser ranging function and is recorded as L0, step three, the temperature is reduced to-20 ℃ in 1h, the temperature is kept for 1h, the temperature is increased to 60 ℃ in 1h, the temperature is kept for 1h, the time is 4h, step four, the second and third high and low temperature cycles are carried out, the total time of the three cycles is 12h, in the test process, firstly, three test pieces are respectively placed between two corresponding elastic pieces 505, the two elastic pieces 505 are extruded to two sides by the test piece, the bending degree of the elastic pieces 505 is changed, at the moment, the connecting block 503 slides on the limiting rod 502, the deformation of the elastic pieces 505 can be assisted, then, the influence on the measurement result caused by the position change when the test piece is placed on the supporting platform 1301 can be avoided by the elastic force of the two elastic pieces 505, the negative pressure pump 8 is started, and the negative pressure pump 8 is sucked, at the moment, the ventilation pipe 402 and the communication bin 401 are connected, the three sliding drums 410 are all communicated, the pistons 409 in the three sliding drums 410 are respectively recovered when the negative pressure pump 8 sucks air, the positioning block 406 moves forwards under the limiting action of the supporting rods 404, the positioning block 406 is clamped outside the supporting platform 1301 until the three reflecting plates 407 are respectively and completely tightly attached to the three test pieces and cannot move again, at the moment, the pressure in the communicating bin 401 is stable, the negative pressure pump 8 is controlled to be closed through the display of the pressure controller 9, the test stage is started, the negative pressure pump 8 needs to be started to enable the reflecting plates 407 to support the test pieces when each high and low temperature cycle is carried out, wherein the negative pressure pump 8 is provided with an air outlet and an air inlet, air suction and inflation can be carried out, after the position of the positioning assembly 4 is regulated each time, the electric push rod 609 is started, the electric push rod 609 is extended to drive the reinforcing block 608 to move forwards, and the auxiliary plate 606 is driven to slide between the top inner walls of the two supporting frames 607, under the connection of the connecting frame 605, the laser distance measuring instrument 604 is driven to move, the laser distance measuring instrument 604 moves to the positions of the three distance measuring holes 12 respectively, the distance between the laser distance measuring instrument 604 and the reflecting plate 407 subtracted from the distance between the laser distance measuring instrument and the test box 101 is measured in each distance measuring, the length of a test piece is measured, in the high-low temperature test, the refrigerator main body 3 is started, cold air generated in the refrigerator main body 3 is conveyed into the test box 101 from a pipeline to realize the temperature reduction of the test piece, in addition, the heater main body 11 is started through the connection of an external power supply, the heat generated by the heater main body 11 is released in the test box 101, the test piece is heated, the temperature in the test box 101 can be detected through the temperature display 14, the test result can be more accurate, before the test is put into the test piece, the multi-stage electric telescopic rod 204 is started, the multistage electric telescopic rod 204 drives the side plates 202 to retract, so that the protective door 201 is driven to retract, the protective door 201 is pushed inwards along the two sliding tracks 103, when the positive magnetic stripe 205 and the negative magnetic stripe 206 are magnetically connected and attracted, the protective door 201 is completely attached and closed, wherein the aperture of the vent 203 is small, the inside of the test box 101 is prevented from being too sealed and too high in pressure when hot air and cold air are oozed out as much as possible, potential safety hazards are reduced, the refrigerator main body 3 can be selected from BGK1801-27 or other available types, the pressure controller 9 can be selected from HC-Y810 or other available types, the heater main body 11 can be selected from JQ-005 or other available types, the laser range finder 604 can be selected from SW-600A upgrade or other available types, and the temperature display 14 can be selected from WST-491-SGN or other available types.
The wiring diagrams of the multi-stage electric telescopic rod 204, the refrigerator main body 3, the laser rangefinder 604, the electric push rod 609, the negative pressure pump 8, the pressure controller 9, the heater main body 11 and the temperature display 14 in the present invention are well known in the art, the working principle thereof is a well known technology, and the model thereof is selected to be suitable according to the actual use, so the control mode and the wiring arrangement will not be explained in detail for the multi-stage electric telescopic rod 204, the refrigerator main body 3, the laser rangefinder 604, the electric push rod 609, the negative pressure pump 8, the pressure controller 9, the heater main body 11 and the temperature display 14.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (4)
1. A be used for attaching frame section bar high low temperature repetition dimensional change rate detection test device, its characterized in that includes:
the box body assembly (1), box body assembly (1) is including test box body (101), three range finding hole (12) have been seted up to the rear surface of test box body (101), the inside bottom surface fixed mounting of test box body (101) has supporting component (13), supporting component (13) are including supporting platform (1301), the bottom of supporting platform (1301) is close to both sides edge department and all is fixedly connected with backup pad (1302), the top fixedly connected with of backup pad (1302) is three and is prescribes a limit to subassembly (5), prescribes a limit to subassembly (5) including four installation piece (501), four installation piece (501) surface has all been seted up mounting groove (504), four all fixed mounting have two gag lever posts (502) between the inner wall of mounting groove (504), all the slip cap is equipped with connecting block (503) between the surface of every two gag lever posts (502), all welds between the surface of every two connecting blocks (503) has shell fragment (505), all is provided with the test piece between the relative of every two shell fragments (505);
the positioning component (4), positioning component (4) is including intercommunication storehouse (401), the front surface of intercommunication storehouse (401) fixedly communicates there are three slide tube (410), three the inner wall of slide tube (410) all sliding connection has piston (409), one side of three piston (409) all fixed mounting has slide bar (408), one end of three slide bar (408) all fixed mounting has support slider (405), the top of three support slider (405) all fixed connection locating piece (406), one end of three locating piece (406) all fixed connection reflecting plate (407), one end of three slide bar (408) is respectively the slip and is run through three slide tube (410) to outside, the back surface wall of test box (101) is fixed mounting has three bracing piece (404), one end of three bracing piece (404) is respectively the slip and is run through three support slider (405) to outside, one end of three bracing piece (404) all fixed mounting has reinforcing plate (403), the bottom of three reinforcing plate (403) and the bottom of box (101) all are connected with the back surface of three slide tube (101) and are all connected to outside of test box (101) at the back surface of the fixed intercommunication storehouse (401) respectively, the rear surface of the test box body (101) is provided with a mounting plate (7) through screws, the bottom of the mounting plate (7) is provided with a negative pressure pump (8), the output end of the negative pressure pump (8) is fixedly communicated with one end of a ventilation pipe (402), the bottom of the mounting plate (7) is fixedly provided with a backboard (10), and the outer surface of the backboard (10) is provided with a pressure controller (9);
the distance measuring assembly (6), range finding assembly (6) is including two support frames (607), two swing joint has auxiliary plate (606) between the top of support frame (607), the bottom center department of auxiliary plate (606) is fixed with boss (608), one side of boss (608) is provided with electric putter (609), one end and one side fixed connection of one of them support frame (607) of electric putter (609), link (605) are installed at the top of auxiliary plate (606), the top of link (605) is provided with laser range finder (604), the top of laser range finder (604) is fixed with movable block (603), the back surface fixed mounting of test box (101) has two mounts (601), two fixedly connected with movable rod (602) between the opposition of mount (601), one end of movable rod (602) slides and runs through movable block (603) to outside, both ends of auxiliary plate (606) are all fixed with dog (610);
during the use, in the test process, firstly, place between two corresponding shell fragments (505) respectively with three test pieces, the test piece is with two shell fragments (505) to both sides extrusion, the crookedness of shell fragment (505) changes, connecting block (503) can slide on gag lever post (502) this moment, can assist the deformation of shell fragment (505), then, through the elasticity of two shell fragments (505), can avoid the test piece to place on supporting platform (1301) and change and influence measuring result in the time position, through start negative pressure pump (8), make negative pressure pump (8) inhale, then, ventilation pipe (402) and intercommunication storehouse (401), piston (409) in three slide (410) can retrieve respectively when negative pressure pump (8) inhale, under the limiting effect of bracing piece (404), locating piece (406) can block the outside at supporting platform (1301) this moment, until three reflecting plate (407) all paste tightly with three test piece respectively, move once more, pressure controller (401) in the intercommunication storehouse just need be closed the negative pressure pump (8) at the time of the control of the negative pressure ware (9) entering the test, it is stable to stop the test to make negative pressure pump (407) at every time.
2. The test device for detecting the high-low temperature repeated dimensional change rate of the attached frame profile according to claim 1, wherein the test device comprises the following components: one side of the test box body (101) is provided with a heater main body (11), the other side of the test box body (101) is provided with a refrigerator main body (3), and the top of the test box body (101) is provided with a temperature display (14).
3. The test device for detecting the high-low temperature repeated dimensional change rate of the attached frame profile according to claim 1, wherein the test device comprises the following components: clamping groove (102) have been seted up to one side inner wall of test box (101), the inside top surface of test box (101) and the equal fixed mounting in bottom surface have slip track (103), two sliding connection has protection component (2) between the inner wall of slip track (103), protection component (2) are including guard gate (201), a plurality of vents (203) have been seted up to the front surface of guard gate (201), the inner wall of clamping groove (102) is provided with negative pole magnetic stripe (206), one side of guard gate (201) is provided with positive pole magnetic stripe (205), the surface of negative pole magnetic stripe (206) is connected with the surface magnetism of positive pole magnetic stripe (205).
4. The test device for detecting the high-low temperature repeated dimensional change rate of the attached frame profile according to claim 3, wherein the test device comprises the following components: the utility model discloses a test box, including test box (101), lateral plate (202), protection door (201), lateral plate (202) and test box (101) are fixed on the other side, lateral plate (202) are fixed on the other side, lateral plate (204) are fixed on the other side, lateral plate (207) are fixed on the outer surface, bottom and top fixed connection of test box (101) of stopper (207), fixed block (208) are fixed on one end fixed mounting of multistage electric telescopic link (204), the bottom of fixed block (208) and top fixed connection of test box (101).
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103645206A (en) * | 2013-12-03 | 2014-03-19 | 中国电子科技集团公司第四十一研究所 | Simple measurement method of expansion factors of optical fiber ring and framework material thereof |
| CN107219531A (en) * | 2017-05-23 | 2017-09-29 | 安徽理工大学 | A kind of pilot system for measurement sample mass and size during Frozen-thawed cycled |
| CN109100732A (en) * | 2017-06-21 | 2018-12-28 | 杭州巨星智能科技有限公司 | A kind of range unit |
| CN109238871A (en) * | 2018-09-05 | 2019-01-18 | 西安近代化学研究所 | Explosive column axis radial deformation non-contact measurement apparatus under a kind of temperature loading environment |
| CN214276814U (en) * | 2021-03-31 | 2021-09-24 | 四川四正建设工程质量检测有限公司 | Laser test concrete resistance to compression test piece size device |
| CN215575638U (en) * | 2021-07-29 | 2022-01-18 | 广西建业中天工程咨询有限公司 | Laser ranging device for engineering supervision |
| CN114324837A (en) * | 2021-12-30 | 2022-04-12 | 山东大学 | Contact method concrete expansion and contraction detection device and method based on laser ranging |
| WO2022082910A1 (en) * | 2020-10-22 | 2022-04-28 | 罗必锋 | Detection device for extreme speed test of automobile |
| CN115608425A (en) * | 2022-11-07 | 2023-01-17 | 江苏富奇恒温设备有限公司 | High-low temperature test box for constant test |
-
2023
- 2023-06-13 CN CN202310693418.4A patent/CN116429627B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103645206A (en) * | 2013-12-03 | 2014-03-19 | 中国电子科技集团公司第四十一研究所 | Simple measurement method of expansion factors of optical fiber ring and framework material thereof |
| CN107219531A (en) * | 2017-05-23 | 2017-09-29 | 安徽理工大学 | A kind of pilot system for measurement sample mass and size during Frozen-thawed cycled |
| CN109100732A (en) * | 2017-06-21 | 2018-12-28 | 杭州巨星智能科技有限公司 | A kind of range unit |
| CN109238871A (en) * | 2018-09-05 | 2019-01-18 | 西安近代化学研究所 | Explosive column axis radial deformation non-contact measurement apparatus under a kind of temperature loading environment |
| WO2022082910A1 (en) * | 2020-10-22 | 2022-04-28 | 罗必锋 | Detection device for extreme speed test of automobile |
| CN214276814U (en) * | 2021-03-31 | 2021-09-24 | 四川四正建设工程质量检测有限公司 | Laser test concrete resistance to compression test piece size device |
| CN215575638U (en) * | 2021-07-29 | 2022-01-18 | 广西建业中天工程咨询有限公司 | Laser ranging device for engineering supervision |
| CN114324837A (en) * | 2021-12-30 | 2022-04-12 | 山东大学 | Contact method concrete expansion and contraction detection device and method based on laser ranging |
| CN115608425A (en) * | 2022-11-07 | 2023-01-17 | 江苏富奇恒温设备有限公司 | High-low temperature test box for constant test |
Non-Patent Citations (1)
| Title |
|---|
| 岩石力学实验高低温环境试验箱的研制与应用;郭鹏;王永岩;冯学志;王浩;秦楠;;实验力学(第01期);全文 * |
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