CN218496661U - Building seam sealant deformation fatigue testing device - Google Patents
Building seam sealant deformation fatigue testing device Download PDFInfo
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- CN218496661U CN218496661U CN202222104398.6U CN202222104398U CN218496661U CN 218496661 U CN218496661 U CN 218496661U CN 202222104398 U CN202222104398 U CN 202222104398U CN 218496661 U CN218496661 U CN 218496661U
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Abstract
The utility model discloses a building joint sealant deformation fatigue testing device, which comprises a supporting table; the first test bench is fixedly arranged on the support bench; the second test board is connected to the support platform in a sliding mode and can approach the first test board, and two ends of the sealant to be tested can be respectively adhered to the first test board and the second test board; the shearing auxiliary support is L-shaped and detachably connected with the second test board, and two ends of the sealant to be tested can be respectively adhered to one end of the shearing auxiliary support and the first test board; and the driving device is fixedly arranged on the supporting platform and is used for driving the second test platform to slide. The utility model discloses a shearing auxiliary stand can realize the shearing fatigue test to the sealed glue that awaits measuring, and drive arrangement can freely control the motion of second testboard moreover to reach unequal width deformation and the tensile effect of circulation. The utility model relates to a testing arrangement field.
Description
Technical Field
The utility model relates to a sealed deformation fatigue test device that glues of building seam in the testing arrangement field.
Background
In the building field, under the influence of the change of factors such as temperature, humidity and wind load, the elastic sealant of the building joint (including but not limited to the silicone structural sealant for structural assembly of a building curtain wall, the structural sealant of a hollow glass sheet and the building joint are used for filling waterproof weather-resistant sealant, the fireproof sealant of the fireproof joint, the elastic sealant of a glass splicing joint and a glass embedding groove and the like) can passively generate deformation, the deformation mode comprises tensile deformation, compression deformation and shearing deformation, the deformation can generate internal stress in the elastic sealant body, stress is also generated at the interface of the sealant and an adhered base material, fatigue and damage can be generated under the action of multiple accumulated deformation and stress, the sealant body cracks, creep and unrecoverable deformation can be generated, or the local or even whole debonding of the adhered interface can be generated, and the sealing adhesion failure can be caused. The deformation fatigue test is carried out on the building joint elastic sealant, and the evaluation and measurement of the deformation fatigue resistance of the building joint elastic sealant are important means and modes for verifying the durability of the elastic sealant.
The existing joint sealant deformation fatigue testing device mostly adopts a sliding block driven by an eccentric wheel to realize equal-amplitude tensile and compression tests, such as tensile compression +/-12.5 percent and tensile compression +/-25 percent, is suitable for testing the tensile compression fatigue of sealant by a standard sample meeting national standards GB/T22083, GB/T13477.12 and JC/T485, cannot realize unequal-amplitude tensile compression deformation, such as 100-50 percent tensile compression and 25 percent tensile compression 0 percent, does not have reciprocating fatigue for testing the deformation in a shearing mode, and is not suitable for sample forms with non-standard sizes. In addition, the long-term fatigue test is carried out, the GB/T13477.12 has a low tensile compression speed of only (1.0 +/-0.2) mm/min, the times of tensile compression fatigue are 100, JC/T485 tensile compression is 4 to 6 times/min, and the times of tensile compression fatigue are 2000. The existing joint sealant deformation fatigue testing device can not meet the fatigue test requirements of ten thousand levels of accumulated deformation verified in building engineering.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve one of the technical problem that exists among the prior art at least, provide a sealed deformation fatigue test device of gluing of building seam, shear fatigue strength that can test sealed glue becomes tired test with the realization that varies the width of cloth.
According to the embodiment of the utility model provides a building seam is sealed glues deformation fatigue test device is provided, include:
a support table;
the first test platform is fixedly arranged on the support platform;
the second test board is connected to the support board in a sliding mode, the second test board can be close to or far away from the first test board, and two ends of the sealant to be tested can be respectively adhered to the first test board and the second test board;
the shearing auxiliary support is L-shaped and detachably connected with the second test board, and two ends of the sealant to be tested can be respectively adhered to one end of the shearing auxiliary support and the first test board;
and the driving device is fixedly arranged on the supporting platform and is used for driving the second test platform to slide.
According to the utility model discloses, furtherly, the brace table is equipped with the spout, the second testboard is equipped with the sand grip, the sand grip can slide in the spout.
According to the utility model discloses, furtherly, the spout is the dovetail, the sand grip with dovetail looks adaptation.
According to the utility model discloses, furtherly, drive arrangement includes lead screw and lead screw seat, the first end of lead screw with it connects to prop up supporting bench rotation, the lead screw seat cover is located the lead screw, the lead screw seat with second testboard fixed connection.
According to the utility model discloses, furtherly, drive arrangement still includes worm and worm wheel, the worm wheel is installed the second end of lead screw, the worm with the worm wheel meshing.
According to the utility model discloses, furtherly, drive arrangement still includes the motor, the output shaft of motor with the worm is connected.
According to the utility model discloses, furtherly, the sealed deformation fatigue test device that glues of building seam still includes spacing sensor, spacing sensor is installed prop up supporting bench, the second testboard is equipped with convex gag lever post, the gag lever post can trigger spacing sensor, spacing sensor with the drive arrangement electricity is connected.
According to the utility model discloses, furtherly, spacing sensor's quantity is two, and all with controlling means electricity is connected.
According to the utility model discloses, furtherly, spacing sensor all with the connection can be dismantled to the brace table.
According to the utility model discloses, furtherly, the sealed deformation fatigue test device that glues of building seam still includes protection switch, protection switch installs on the brace table, the gag lever post can trigger protection switch, protection switch with the drive arrangement electricity is connected.
The utility model discloses beneficial effect includes at least: the utility model discloses a shearing auxiliary stand can realize the shearing fatigue test to sealed glue that awaits measuring, and drive arrangement can freely control the motion of second testboard moreover to reach unequal-amplitude deformation and the tensile effect of circulation.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art, without inventive effort, can also derive other designs and figures from them.
FIG. 1 is a block diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of the embodiment of the present invention when performing a tensile deformation test on a sealant to be tested;
fig. 3 is the embodiment of the utility model provides a schematic diagram when shearing the deformation test to the sealed glue that awaits measuring.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the directional descriptions, such as the directions or positional relationships indicated by upper, lower, front, rear, left, right, etc., are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but not for indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If there is a description of first and second for the purpose of distinguishing technical features only, this is not to be understood as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1, the embodiment of the utility model provides an in the building seam sealant deformation fatigue test device, including brace table 1, first testboard 2, second testboard 3, shearing auxiliary stand 4 and drive arrangement 5. Among them, the support base 1 functions as a support member to support other components. First testboard 2 fixed mounting is on a supporting bench 1, and second testboard 3 and a supporting bench 1 sliding connection, and second testboard 3 can be close to first testboard 2. Referring to fig. 2, two ends of the sealant to be tested can be respectively adhered to the first test board 2 and the second test board 3, so that when the first test board 2 moves, the sealant to be tested can receive tensile force or compressive force to perform tensile fatigue test on the sealant to be tested.
Referring to fig. 3, the auxiliary shearing bracket 4 is detachably connected to the second testing table 3, and specifically, the connection between the auxiliary shearing bracket and the second testing table may be implemented by using a bolt or a bolt for fastening, or by using other detachable connection methods that can achieve the same effect, which is not described herein again. Shearing auxiliary branch 4 is "L" shape, and its one end stretches out to 2 directions of first testboard, and the both ends of sealed glue that awaits measuring can adhere to first testboard 2 and the one end of shearing auxiliary stand 4 respectively to when second testboard 3 removed, sealed glue that awaits measuring can receive the side direction shearing force, carries out the shearing fatigue test to sealed glue that awaits measuring.
The driving device 5 is fixedly installed on the supporting platform 1 and used for driving the second testing platform 3 to slide. In some embodiments, the driving means 5 comprise a pusher by which the second test bench 3 is driven to slide. In this embodiment, the driving device 5 comprises a screw 51 and a screw seat 52, and the second test bench 3 is driven to slide by the screw structure. Specifically, a first end of the screw 51 is rotatably connected to the support table 1, the screw seat 52 is sleeved on the screw 51, and the screw seat 52 is fixedly connected to the second test table 3. So that when the screw 51 rotates, the screw seat 52 is forced to start moving and drives the second testing platform 3 connected with it to move. The screw mechanism is used for driving, so that the movement of the second test bench 3 can be controlled more accurately, and more accurate test can be carried out.
Further, the driving device 5 further includes a worm 53 and a worm wheel 54, and the worm wheel 54 is mounted on the second end of the lead screw 51, which is engaged with the worm 53. The worm gear mechanism is used for boosting force, so that the driving load of the driving piece can be reduced.
Further, the driving device 5 further comprises a motor, and an output shaft of the motor is connected with the worm 53, so that the motor drives the screw rod 51 to rotate after being boosted by the worm gear and the worm.
Further, the supporting platform 1 is provided with a sliding groove 11, and the second testing platform 3 is provided with a protruding strip 31, wherein the protruding strip 31 can slide in the sliding groove 11, so that the sliding direction of the second testing platform 3 is limited, and the second testing platform 3 is prevented from shifting in the moving process.
Further, the slide groove 11 is embodied as a dovetail groove, and the rib 31 has a shape adapted thereto, thereby also restricting the second test table 3 from laterally separating from the support table 1.
Further, this building seam seals gluey deformation fatigue test device of glue still includes spacing sensor 6, and it is installed on a supporting bench 1 for obtain the position at second testboard 3 place. In particular, the limit sensor 6 is a photoelectric sensor, and the second test bench 3 is provided with a protruding limit rod 32, and the limit rod 32 can trigger the limit sensor 6 when passing by. The limit sensor 6 is electrically connected with the driving device 5, so that when the limit sensor 6 is triggered, the driving device 5 is controlled to rotate reversely and reciprocate circularly, and the circular test is realized. And the triggering times of the limit sensor 6 can be recorded by an external control element, so that the stretching or compressing times of the sealant to be detected can be acquired, and the subsequent analysis and research can be conveniently carried out.
Further, the number of the limit sensors 6 is two, and the two limit sensors are electrically connected with the control device 5. So that the limits of the forward and backward movement of the second test bench 3 can be defined.
Further, spacing sensor 6 all can be dismantled with a supporting bench 1 and be connected to can adjust spacing sensor 6's position according to required compression amplitude and tensile amplitude, and then change the pressure amplitude of sealed glue that awaits measuring. Specifically, the limit sensor 6 can be connected with the support table in a detachable connection mode of bonding, hook and loop fasteners or bolt connection, or in a detachable connection mode of achieving the same effect, and the description is omitted here.
Further, the building joint sealant deformation fatigue testing device further comprises a protection switch 7 which is electrically connected with the driving device 5. Specifically, the number of the protection switches 7 is two, and both are mounted on the support table 1. The test device adopts a contact switch, when the limiting rod 32 is contacted with the protection switch 7 and triggered, the protection switch 7 controls the driving device 5 to stop running continuously, so that the damage of the device caused by the over-stroke operation of the second test bench 3 is prevented.
Furthermore, the device can be made of metal such as common carbon steel, stainless steel or aluminum material, or non-metal such as plastic, hard wood or composite material. The combined fixation can adopt welding and gluing, or the holes are assembled and fastened by adopting bolt fasteners. Preferably, the device adopts a bolt fastener for fastening, and is convenient to disassemble and maintain.
While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are to be included within the scope of the present invention defined by the claims.
Claims (10)
1. The utility model provides a sealed deformation fatigue test device that glues of building seam which characterized in that includes:
a support table (1);
a first test bench (2) fixedly mounted on the support bench (1);
the second test board (3) is connected to the support board (1) in a sliding mode, the second test board (3) can be close to or far away from the first test board (2), and two ends of the sealant to be tested can be respectively adhered to the first test board (2) and the second test board (3);
the shearing auxiliary support (4) is L-shaped, the shearing auxiliary support (4) is detachably connected with the second test bench (3), and two ends of the sealant to be tested can be respectively adhered to one end of the shearing auxiliary support (4) and the first test bench (2);
and the driving device (5) is fixedly arranged on the supporting platform (1), and the driving device (5) is used for driving the second test platform (3) to slide.
2. The building joint sealant deformation fatigue testing device of claim 1, characterized in that: the supporting table (1) is provided with a sliding groove (11), the second testing table (3) is provided with a convex strip (31), and the convex strip (31) can slide in the sliding groove (11).
3. The building joint sealant deformation fatigue testing device of claim 2, characterized in that: the sliding groove (11) is a dovetail groove, and the convex strips (31) are matched with the dovetail groove.
4. The building joint sealant deformation fatigue testing device of claim 1, characterized in that: the driving device (5) comprises a screw rod (51) and a screw rod seat (52), the first end of the screw rod (51) is rotatably connected with the supporting platform (1), the screw rod seat (52) is sleeved on the screw rod (51), and the screw rod seat (52) is fixedly connected with the second test platform (3).
5. The building joint sealant deformation fatigue testing device of claim 4, characterized in that: the driving device (5) further comprises a worm (53) and a worm wheel (54), the worm wheel (54) is installed at the second end of the screw rod (51), and the worm (53) is meshed with the worm wheel (54).
6. The building joint sealant deformation fatigue testing device of claim 5, characterized in that: the driving device (5) further comprises a motor, and an output shaft of the motor is connected with the worm (53).
7. The building joint sealant deformation fatigue testing device of claim 1, characterized in that: building joint sealant deformation fatigue test device still includes spacing sensor (6), spacing sensor installs on brace table (1), second testboard (3) are equipped with convex gag lever post (32), gag lever post (32) can trigger spacing sensor (6), spacing sensor (6) with drive arrangement (5) electricity is connected.
8. The building joint sealant deformation fatigue testing device of claim 7, characterized in that: the number of the limit sensors (6) is two, and the limit sensors are electrically connected with the driving device (5).
9. The building joint sealant deformation fatigue testing device of claim 8, characterized in that: the limiting sensors (6) are detachably connected with the supporting table (1).
10. The building joint sealant deformation fatigue testing device of claim 7, characterized in that: building seam sealant deformation fatigue test device still includes protection switch (7), protection switch (7) are installed on supporting bench (1), gag lever post (32) can trigger protection switch (7), protection switch (7) with drive arrangement (5) electricity is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222104398.6U CN218496661U (en) | 2022-08-10 | 2022-08-10 | Building seam sealant deformation fatigue testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222104398.6U CN218496661U (en) | 2022-08-10 | 2022-08-10 | Building seam sealant deformation fatigue testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218496661U true CN218496661U (en) | 2023-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222104398.6U Active CN218496661U (en) | 2022-08-10 | 2022-08-10 | Building seam sealant deformation fatigue testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218496661U (en) |
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2022
- 2022-08-10 CN CN202222104398.6U patent/CN218496661U/en active Active
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