CN113049421A - Building sealant fatigue resistance testing device and operation method thereof - Google Patents
Building sealant fatigue resistance testing device and operation method thereof Download PDFInfo
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- CN113049421A CN113049421A CN202110175995.5A CN202110175995A CN113049421A CN 113049421 A CN113049421 A CN 113049421A CN 202110175995 A CN202110175995 A CN 202110175995A CN 113049421 A CN113049421 A CN 113049421A
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- 238000012360 testing method Methods 0.000 title claims abstract description 59
- 239000000565 sealant Substances 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009661 fatigue test Methods 0.000 abstract description 4
- 230000002929 anti-fatigue Effects 0.000 abstract description 3
- 239000004566 building material Substances 0.000 abstract description 2
- 230000003247 decreasing effect Effects 0.000 abstract description 2
- 239000003292 glue Substances 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000004826 Synthetic adhesive Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000126 substance Substances 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
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/36—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by pneumatic or hydraulic means
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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
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0044—Pneumatic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0073—Fatigue
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
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Abstract
The invention provides a building sealant fatigue resistance testing device and an operation method thereof, and belongs to the technical field of building material performance testing. A building sealant fatigue resistance testing device comprises a base, wherein the outer walls of two sides of the base are both connected with moving seats in a sliding mode, the tops of the two moving seats are respectively connected with a first adjusting plate and a second adjusting plate, the outer walls of the first adjusting plate and the second adjusting plate are both connected with clamping positions, the top of the base is connected with a supporting column, the outer wall of the supporting column is rotatably connected with a first connecting rod, and the two ends of the first connecting rod are respectively rotatably connected with a second connecting rod and a third connecting rod; the push rod drives the connecting rods to rotate differently, so that the moving seats on the two sides are relatively close to or far away from each other, the anti-fatigue test of the stretching-compressing cycle of the sealant is realized, the thrust of the push plate to the piston is suddenly changed, the force of the push rod on the connecting rods is suddenly increased or decreased, and the detection effect and the detection precision of the anti-fatigue test of the sealant are improved.
Description
Technical Field
The invention relates to the technical field of building material performance testing, in particular to a building sealant fatigue resistance testing device and an operation method thereof.
Background
Whether window structures or other forms of enclosure and trim structures are considered to be made up of units, seams are created between each unit, and most building sealants are required to seal and fill the structure.
The building sealant belongs to synthetic adhesives, the main body of the building sealant is a polymer, and the properties of the building sealant can be divided into three categories: the bulk property, the process property and the use property (product performance) are determined by the chemical property and the physical structure of the sealant main body polymer, and can be accurately and repeatedly measured; the process property refers to the relevant characteristics of the sealant in the manufacturing process; the use properties (product properties) are understood to mean essentially the combination of the properties of the sealant during the formation of the bond to the formation of the bonded joint, which properties depend on the functional requirements of the building joint for the sealant.
Common sealed glue fatigue tester generally by the servo, tension mechanism and control system constitute, can carry out quick loading in certain load range, the uninstallation, the continuous cycle fatigue test of reloading, but the sealed glue fatigue tester that has now generally adopts the sealed glue fatigue resistance test equipment of building that is reformed transform by universal tester and forms, this type of equipment structure is complicated, the size is great, the cost is high, it is comparatively complicated to use, need set up solitary laboratory for this type of equipment, lead to the detection cost higher, be unfavorable for extensive popularization.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a building sealant fatigue resistance testing device and an operation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a sealed fatigue resistance testing arrangement that glues of building, includes the base, the equal sliding connection of base both sides outer wall has the removal seat, two the top of removing the seat is connected with first regulating plate and second regulating plate respectively, first regulating plate and second regulating plate outer wall all are connected with presss from both sides the dress position, the top of base is connected with the support column, the support column outer wall rotates and is connected with first connecting rod, the both ends of first connecting rod rotate respectively and are connected with second connecting rod and third connecting rod, the one end that first connecting rod was kept away from to second connecting rod and third connecting rod is connected respectively at two outer walls that remove the seat, base outer wall connection has pushing mechanism, pushing mechanism rotates with the third connecting rod and links to each other.
Preferably, pushing mechanism includes the motor, motor fixed connection is at the outer wall of base, the base outer wall is dug flutedly, recess inner wall is connected with the axis of rotation, axis of rotation outer wall is connected with first gear, the output of motor is connected with the pivot, the one end that the motor was kept away from in the pivot is passed the base and is linked to each other with the axis of rotation, the meshing of first gear outer wall is connected with the rack board, rack board outer wall connection has first push rod.
Preferably, the outer wall of the base is connected with a supporting seat, the top of the supporting seat is connected with a box body and a pipe body, and the box body and the pipe body are communicated with each other.
Preferably, first push rod swing joint is in the box, just the one end that rack plate was kept away from to first push rod is connected with the push pedal, push pedal swing joint is in the box, the upper and lower inner wall both sides of box are provided with inclined plane and arch respectively, the push pedal includes casing and inner panel, casing swing joint is at the outer wall of first push rod, inner panel sliding connection is at shells inner wall, just be connected with elastic element between the diapire of shells inner wall and inner panel.
Preferably, body inner wall sliding connection has the piston, piston outer wall connection has the second push rod, the one end that the piston was kept away from to the second push rod passes the body and is connected with solid fixed ring, gu fixed ring inner wall rotates and is connected with the dwang, gu fixed ring's one end is kept away from to the dwang rotates the diapire of connection at the third connecting rod.
Preferably, the inner wall of the tube body is connected with two guide rods, and the piston is connected to the outer walls of the guide rods in a sliding mode.
Preferably, the outer wall of the base is connected with a fixing plate, the outer wall of the fixing plate is connected with a fixing rod, the outer wall of the fixing rod is rotatably connected with a roller, and the outer wall of the rack plate is provided with a first sliding groove matched with the roller in a chiseled mode.
Preferably, the outer wall of the base is connected with a guide rail, and a second sliding groove matched with the guide rail is formed in the bottom wall of the movable seat in a chiseled mode.
Preferably, press from both sides the position including two splint, two splint are connected respectively at the both sides inner wall of first regulating plate, just threaded hole is dug to first regulating plate outer wall, threaded hole inner wall swing joint has the bolt, the bolt offsets with the splint activity.
The invention also discloses an operation method of the building sealant fatigue resistance testing device, which comprises the following steps:
s1, when the compression function of the device is needed, two test workpieces are placed on the clamping positions on two sides, the bolt is rotated to enable the bolt to press against the clamping plate to fix the test workpieces, sealant is connected between the two test workpieces, then the motor is controlled to operate, the output end of the motor drives the first gear to rotate, the first gear is meshed with the rack plate to enable the rack plate to move to the right, the rack plate pushes the first push rod to move to the right in the box body, the box body is communicated with the pipe body, the air pressure between the push plate and the piston extrudes the piston to move to the right in the pipe body, the piston drives the second push rod to move to the right, the second push rod drives the third connecting rod to rotate by taking the supporting column as the center through the rotating rod, the third connecting rod pulls the first connecting rod to swing, the first connecting rod drives the second connecting rod to rotate, the two movable seats are close to each other, when the extension, controlling the motor to rotate reversely to enable the two moving seats to be away from each other, so that the test workpiece is subjected to two forces with equal magnitude and opposite directions, namely the force required by the sealant fatigue resistance test;
s2, in the process that the rack plate is meshed with the first gear, the roller slides in the first sliding groove at the top of the rack plate;
s3, when the first push rod pushes the push plate to move in the box, the inner plate is extruded by the inclined surface to act on the elastic element, so that the elastic element is compressed, the inner plate retracts into the shell, the shell is extruded by the bulge and can swing up and down in a reciprocating manner on the outer side of the first push rod, the pushing force on the piston is changed frequently, and the force of the second push rod acting on the third connecting rod is changed.
The technical scheme of the invention has the following benefits:
1. according to the building sealant fatigue resistance testing device and the operation method thereof, the rack plate drives the push rod to reciprocate left and right by controlling the meshing direction of the first gear and the rack plate, the forces applied to the two movable seats are the same and drive the testing workpieces to be far away from or close to each other through the rotation change between the connecting rods, so that the fatigue resistance testing after the stretching-compressing cycle of the sealant is realized, and the performance detection of the sealant is facilitated.
2. This building sealant fatigue resistance capability test device and operation method thereof, because in the actual life application, the power that sealed glue received does not make and only increases gradually or dwindles, there is also the possibility of sudden change, promote the push pedal in the box removal through first push rod, the push pedal receives inclined plane and bellied influence, make the push pedal change to the power of piston, and then make the dynamics that the second push rod promoted the third connecting rod increase suddenly or dwindle, can detect the sealed condition of glue when receiving different pressure or pulling force, improve the detection effect and the detection precision of device.
3. According to the building sealant fatigue resistance testing device and the operation method thereof, the guide rod is arranged in the pipe body, and the piston slides on the outer side of the guide rod, so that the stability of the piston in the moving process is improved.
4. According to the building sealant fatigue resistance testing device and the operation method thereof, the first gear is meshed with the rack plate to enable the rack plate to move left and right, and in the process, the roller slides in the first sliding groove in the top of the rack plate, so that the running stability of the device is improved.
5. According to the building sealant fatigue resistance testing device and the operation method thereof, the bolt is screwed in the threaded hole by rotating the bolt, and the bolt penetrates through the threaded hole and then abuts against and is pressed on the clamping plate, so that the clamping plate fixes a test workpiece, and the test result is prevented from being influenced by random shaking in the fatigue resistance testing process.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a first structural schematic diagram of a building sealant fatigue resistance testing device according to the present invention;
FIG. 2 is a structural schematic diagram II of a building sealant fatigue resistance testing device provided by the invention;
FIG. 3 is a schematic structural diagram of a movable seat of the fatigue resistance testing device for building sealant according to the present invention;
FIG. 4 is a schematic structural view of a first adjusting plate of the building sealant fatigue resistance testing device according to the present invention;
FIG. 5 is a schematic cross-sectional view of a box body and a pipe body of the building sealant fatigue resistance testing device provided by the invention;
FIG. 6 is a schematic structural view of a first push rod and a push plate of the building sealant fatigue resistance testing device provided by the invention;
fig. 7 is a schematic structural diagram of a part a in fig. 2 of a building sealant fatigue resistance testing device according to the present invention.
Wherein the figures include the following reference numerals:
1. a base; 101. a groove; 102. a rotating shaft; 103. a first gear; 2. a movable seat; 3. a first adjusting plate; 4. a second adjusting plate; 5. a support pillar; 501. a first link; 502. a second link; 503. a third link; 6. a motor; 7. a rack plate; 701. a first chute; 8. a first push rod; 9. a supporting seat; 10. a box body; 11. a pipe body; 12. pushing the plate; 121. a housing; 122. an inner plate; 123. an elastic element; 13. a piston; 14. a second push rod; 15. a fixing ring; 16. rotating the rod; 17. a bevel; 18. a protrusion; 19. a guide bar; 20. a fixing plate; 21. fixing the rod; 22. a roller; 23. a guide rail; 24. a second chute; 25. a splint; 26. a threaded hole; 27. and (4) bolts.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, the thicknesses of layers and regions are exaggerated for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.
Example 1:
referring to fig. 1-4, a building sealant fatigue resistance testing device comprises a base 1, wherein the outer walls of two sides of the base 1 are slidably connected with movable seats 2, the tops of the two movable seats 2 are respectively connected with a first adjusting plate 3 and a second adjusting plate 4, the outer walls of the first adjusting plate 3 and the second adjusting plate 4 are respectively connected with a clamping position, the top of the base 1 is connected with a supporting column 5, the outer wall of the supporting column 5 is rotatably connected with a first connecting rod 501, the two ends of the first connecting rod 501 are respectively rotatably connected with a second connecting rod 502 and a third connecting rod 503, the ends of the second connecting rod 502 and the third connecting rod 503 far away from the first connecting rod 501 are respectively connected with the outer walls of the two movable seats 2, the outer wall of the base 1 is connected with a pushing mechanism, the pushing mechanism is rotatably connected with the third connecting rod 503, the clamping position comprises two clamping plates 25, the two clamping plates 25 are respectively connected with the inner walls of two sides, the inner wall of the threaded hole 26 is movably connected with a bolt 27, and the bolt 27 is movably abutted against the clamping plate 25.
When the device works, two test workpieces are arranged on clamping positions on two sides, the pushing mechanism is controlled to work, the pushing mechanism pushes or pulls the third connecting rod 503 to move, the third connecting rod 503 drives the first connecting rod 501 to rotate by the 5-bit circle center of the supporting column, the first connecting rod 501 drives the second connecting rod 502 to rotate, the force applied to the two test workpieces is the same, the two moving seats 2 are close to or far away from each other at the top of the base 1, the anti-fatigue test after the stretching-compressing cycle of the sealant is realized, and the performance detection of the sealant is facilitated.
Example 2:
referring to fig. 1, 2, 5, 6 and 7, a building sealant fatigue resistance testing device is substantially the same as that of embodiment 1, further, the pushing mechanism includes a motor 6, the motor 6 is fixedly connected to the outer wall of the base 1, a groove 101 is cut on the outer wall of the base 1, a rotating shaft 102 is connected to the inner wall of the groove 101, a first gear 103 is connected to the outer wall of the rotating shaft 102, a rotating shaft is connected to the output end of the motor 6, one end of the rotating shaft, which is far away from the motor 6, passes through the base 1 and is connected to the rotating shaft 102, a rack plate 7 is engaged and connected to the outer wall of the first gear 103, a first push rod 8 is connected to the outer wall of the rack plate 7, a support seat 9 is connected to the outer wall of the base 1, a box 10 and a pipe 11 are connected to the top of the support seat 9, the box 10 and the pipe 11, push pedal 12 swing joint is in box 10, the upper and lower inner wall both sides of box 10 are provided with inclined plane 17 and arch 18 respectively, push pedal 12 includes casing 121 and inner panel 122, casing 121 swing joint is at the outer wall of first push rod 8, inner panel 122 sliding connection is at the casing 121 inner wall, and be connected with elastic element 123 between the diapire of casing 121 inner wall and inner panel 122, body 11 inner wall sliding connection has piston 13, piston 13 outer wall connection has second push rod 14, the one end that piston 13 was kept away from to second push rod 14 passes body 11 and is connected with solid fixed ring 15, gu fixed ring 15 inner wall rotates and is connected with dwang 16, dwang 16 keeps away from solid fixed ring 15's one end and rotates the diapire.
In practical application, the force applied to the sealant may change suddenly, the motor 6 is controlled to operate, the output end of the motor 6 drives the first gear 103 to rotate, the first gear 103 and the rack plate 7 are engaged with each other, the rack plate 7 moves to the right, the rack plate 7 pushes the first push rod 8 to move to the right inside the box body 10, the box body 10 is communicated with the tube body 11, the gas between the push plate 12 and the piston 13 extrudes the piston 13 to move to the right inside the tube body 11, the piston 13 drives the second push rod 14 to move to the right, the second push rod 14 drives the connecting rods to rotate through the rotating rod 16, while the first push rod 8 pushes the push plate 12 to move inside the box body 10, the inner plate 122 is extruded by the inclined surface 17 to apply force to the elastic element 123, the elastic element 123 is compressed, the inner plate 122 is retracted into the shell 121, and the shell 121 is extruded by the protrusion 18 to swing up and down in a reciprocating manner outside the first push rod, further, the pushing force of the pushing plate 12 on the piston 13 is changed frequently, so that the force applied by the second pushing rod 14 on the third connecting rod 503 is increased or decreased rapidly, the device can detect the situation of the sealant when the sealant is subjected to different pressures or pulling forces, and the detection effect and the detection precision of the device are improved.
Example 3:
referring to fig. 5-7, a building sealant fatigue resistance testing device, which is substantially the same as that of embodiment 1, further, two guide rods 19 are connected to the inner wall of the tube 11, and the piston 13 is slidably connected to the outer walls of the guide rods 19; sliding the piston 13 on the outer wall of the guide rod 19 is beneficial to improving the stability of the piston 13 during the movement.
The outer wall of the base 1 is connected with a fixed plate 20, the outer wall of the fixed plate 20 is connected with a fixed rod 21, the outer wall of the fixed rod 21 is rotatably connected with a roller 22, and the outer wall of the rack plate 7 is provided with a first sliding groove 701 matched with the roller 22 in a chiseled mode; in the process that the rack plate 7 is meshed with the first gear 103, the roller 22 slides in the first sliding groove 701 synchronously, which is beneficial to improving the running stability of the device.
The outer wall of the base 1 is connected with a guide rail 23, and the bottom wall of the movable seat 2 is provided with a second sliding chute 24 matched with the guide rail 23; the moving stability of the moving seat 2 is improved.
The invention also discloses an operation method of the building sealant fatigue resistance testing device, which comprises the following steps:
s1, when the compression function of the device is needed, two test workpieces are placed on the clamping positions on two sides, the bolt 27 is rotated to enable the bolt 27 to press against the clamping plate 25 to fix the test workpieces, sealant is connected between the two test workpieces, then the motor 6 is controlled to operate, the output end of the motor 6 drives the first gear 103 to rotate, the first gear 103 and the rack plate 7 are meshed with each other to enable the rack plate 7 to move to the right, the rack plate 7 pushes the first push rod 8 to move to the right in the box body 10, the box body 10 is communicated with the pipe body 11, the air pressure between the push plate 12 and the piston 13 extrudes the piston 13 to move to the right in the pipe body 11 to enable the piston 13 to drive the second push rod 14 to move to the right, the second push rod 14 drives the third connecting rod 503 to rotate by taking the supporting column 5 as the center through the rotating rod 16, the third connecting rod 503 pulls the first connecting rod 501 to swing, and further enables the first connecting rod, the two moving seats 2 are close to each other, and when the stretching function of the device is needed, the motor 6 is controlled to rotate reversely, so that the two moving seats 2 are far away from each other, and a test workpiece is subjected to two forces with equal magnitude and opposite directions, namely the force required by the sealant fatigue resistance test;
s2, in the process that the rack plate 7 is meshed with the first gear 103, the roller 22 slides in the first sliding groove 701 at the top of the rack plate 7;
s3, when the first push rod 8 pushes the push plate 12 to move in the box 10, the inner plate 122 is pressed by the inclined surface 17 to apply force to the elastic element 123, the elastic element 123 is compressed, the inner plate 122 retracts into the shell 121, the shell 121 is pressed by the bulge 18 to swing up and down in a reciprocating manner outside the first push rod 8, further the pushing force to the piston 13 is changed constantly, and the force applied by the second push rod 14 to the third connecting rod 503 is changed.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The building sealant fatigue resistance testing device comprises a base (1) and is characterized in that outer walls of two sides of the base (1) are connected with moving seats (2) in a sliding mode, the tops of the two moving seats (2) are connected with a first adjusting plate (3) and a second adjusting plate (4) respectively, outer walls of the first adjusting plate (3) and the second adjusting plate (4) are connected with clamping positions respectively, the top of the base (1) is connected with a supporting column (5), the outer wall of the supporting column (5) is connected with a first connecting rod (501) in a rotating mode, two ends of the first connecting rod (501) are connected with a second connecting rod (502) and a third connecting rod (503) in a rotating mode respectively, one ends, far away from the first connecting rod (501), of the second connecting rod (502) and the third connecting rod (503) are connected to outer walls of the two moving seats (2) respectively, and the outer wall of the base (, the pushing mechanism is rotatably connected with a third connecting rod (503).
2. The building sealant fatigue resistance testing device according to claim 1, wherein the pushing mechanism comprises a motor (6), the motor (6) is fixedly connected to the outer wall of the base (1), a groove (101) is formed in the outer wall of the base (1), a rotating shaft (102) is connected to the inner wall of the groove (101), a first gear (103) is connected to the outer wall of the rotating shaft (102), a rotating shaft is connected to the output end of the motor (6), one end, far away from the motor (6), of the rotating shaft penetrates through the base (1) and is connected with the rotating shaft (102), a rack plate (7) is connected to the outer wall of the first gear (103) in a meshed manner, and a first push rod (8) is connected to the outer wall of the rack plate (7).
3. The building sealant fatigue resistance testing device according to claim 2, wherein a supporting seat (9) is connected to an outer wall of the base (1), a box body (10) and a tube body (11) are connected to a top of the supporting seat (9), and the box body (10) and the tube body (11) are communicated with each other.
4. The building sealant fatigue resistance testing device according to claim 3, wherein the first push rod (8) is movably connected in the box body (10), and one end of the first push rod (8) away from the rack plate (7) is connected with a push plate (12), the push plate (12) is movably connected in the box body (10), the two sides of the upper and lower inner walls of the box body (10) are respectively provided with an inclined surface (17) and a protrusion (18), the push plate (12) comprises a shell (121) and an inner plate (122), the shell (121) is movably connected on the outer wall of the first push rod (8), the inner plate (122) is slidably connected on the inner wall of the shell (121), and an elastic element (123) is connected between the inner wall of the shell (121) and the bottom wall of the inner plate (122).
5. The building sealant fatigue resistance testing device as claimed in claim 3, wherein a piston (13) is slidably connected to the inner wall of the tube (11), a second push rod (14) is connected to the outer wall of the piston (13), one end of the second push rod (14) far away from the piston (13) penetrates through the tube (11) and is connected to the fixing ring (15), a rotating rod (16) is rotatably connected to the inner wall of the fixing ring (15), and one end of the rotating rod (16) far away from the fixing ring (15) is rotatably connected to the bottom wall of the third connecting rod (503).
6. The building sealant fatigue resistance testing device according to claim 5, wherein two guide rods (19) are connected to the inner wall of the tube body (11), and the piston (13) is slidably connected to the outer walls of the guide rods (19).
7. The building sealant fatigue resistance testing device as claimed in any one of claims 2 or 4, wherein a fixed plate (20) is connected to the outer wall of the base (1), a fixed rod (21) is connected to the outer wall of the fixed plate (20), a roller (22) is rotatably connected to the outer wall of the fixed rod (21), and a first sliding groove (701) matched with the roller (22) is chiseled on the outer wall of the rack plate (7).
8. The building sealant fatigue resistance testing device according to claim 7, wherein the outer wall of the base (1) is connected with a guide rail (23), and the bottom wall of the movable seat (2) is provided with a second sliding groove (24) matched with the guide rail (23).
9. The building sealant fatigue resistance testing device according to claim 1, wherein the clamping position comprises two clamping plates (25), the two clamping plates (25) are respectively connected to inner walls of two sides of the first adjusting plate (3), a threaded hole (26) is formed in the outer wall of the first adjusting plate (3) in a chiseled mode, a bolt (27) is movably connected to the inner wall of the threaded hole (26), and the bolt (27) is movably abutted to the clamping plates (25).
10. An operation method of a building sealant fatigue resistance testing device is characterized by comprising the following steps:
s1, when the compression function of the device is needed, two test workpieces are placed on clamping positions on two sides, a bolt (27) is rotated to enable the bolt (27) to abut against a clamping plate (25) to fix the test workpieces, sealant is connected between the two test workpieces, then a motor (6) is controlled to operate, the output end of the motor (6) drives a first gear (103) to rotate, the first gear (103) and a rack plate (7) are meshed with each other, the rack plate (7) moves to the right, the rack plate (7) pushes a first push rod (8) to move to the right in a box body (10), the box body (10) and a pipe body (11) are communicated with each other, an air pressure extrusion piston (13) between a push plate (12) and a piston (13) moves to the right in the pipe body (11), the piston (13) drives a second push rod (14) to move to the right, and the second push rod (14) drives a third connecting rod (503) to rotate by taking a supporting column (5) as a circle center through a 16), the third connecting rod (503) pulls the first connecting rod (501) to swing, so that the first connecting rod (501) drives the second connecting rod (502) to rotate, the two movable seats (2) are close to each other, and when the stretching function of the device is required to be used, the motor (6) is controlled to rotate reversely, so that the two movable seats (2) are far away from each other, and a test workpiece is subjected to two forces which are equal in magnitude and opposite in direction, namely the force required by the sealant fatigue resistance test;
s2, in the process that the rack plate (7) is meshed with the first gear (103), the roller (22) slides in the first sliding groove (701) at the top of the rack plate (7);
s3, when the first push rod (8) pushes the push plate (12) to move in the box body (10), the inner plate (122) is extruded by the inclined surface (17) to act on the elastic element (123), the elastic element (123) is compressed, the inner plate (122) retracts into the shell (121), the shell (121) is extruded by the bulge (18) to swing up and down in a reciprocating mode on the outer side of the first push rod (8), further the pushing force on the piston (13) is changed frequently, and the force acting on the third connecting rod (503) by the second push rod (14) is changed.
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| CN202110175995.5A CN113049421B (en) | 2021-02-09 | 2021-02-09 | Building sealant fatigue resistance testing device and operation method thereof |
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| CN202110175995.5A CN113049421B (en) | 2021-02-09 | 2021-02-09 | Building sealant fatigue resistance testing device and operation method thereof |
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| CN113049421B (en) | 2022-11-22 |
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