CN219890978U - Device for testing shearing strength of plate-shaped porous material - Google Patents
Device for testing shearing strength of plate-shaped porous material Download PDFInfo
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- CN219890978U CN219890978U CN202223139025.9U CN202223139025U CN219890978U CN 219890978 U CN219890978 U CN 219890978U CN 202223139025 U CN202223139025 U CN 202223139025U CN 219890978 U CN219890978 U CN 219890978U
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- 238000012360 testing method Methods 0.000 title claims abstract description 27
- 238000010008 shearing Methods 0.000 title claims abstract description 25
- 239000011148 porous material Substances 0.000 title claims abstract description 20
- 241000276425 Xiphophorus maculatus Species 0.000 claims 1
- 238000002474 experimental method Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 6
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- 230000008569 process Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
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- 230000003068 static effect Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a plate-shaped porous material shearing strength testing device which comprises a base and porous plates, wherein the top of the base is fixedly connected with two side plates, the right side of each side plate is fixedly connected with a fixing bin, each side plate is provided with a fixing assembly, each fixing bin is provided with a limiting assembly, each limiting assembly comprises a fixing plate fixedly connected with the right side of each right side plate, the top of each fixing plate is rotatably connected with a worm, and the outer side of each worm is fixedly connected with a ratchet wheel. This platelike porous material shear strength testing arrangement adjusts the distance between shear plate and the baffle through rotating the worm to adapt to the porous panel of different thickness, be convenient for experiment to the porous panel of different specifications, easy operation through limiting component's setting, avoids taking place threaded rod pivoted condition in the experimentation, reduces the baffle and takes place to remove, takes place to the unstable condition of porous panel fixation, improves the practicality of device.
Description
Technical Field
The utility model relates to the technical field of shear strength testing, in particular to a device for testing the shear strength of a plate-shaped porous material.
Background
The shearing strength is the ultimate strength generated when the material is sheared, reflects the shearing sliding resistance of the material, is equal to the tangential stress value on the shearing surface in value, namely the ratio of the shearing force formed on the shearing surface to the damage area, and the factors influencing the shearing strength mainly comprise two parts, wherein one part is cohesive force, namely the mutual attraction force between adjacent parts in the same material, the other part is the friction force between material particles, when the shearing stress generated by external load reaches the shearing strength of the material, the material is broken, and the shearing strength is an important index for representing the mechanical property of the material and is required to be clamped and fixed when the plate-shaped porous material is tested.
For example, chinese patent CN207850843U proposes a testing device for shear strength of composite boards, which comprises a base, the front side of the base is vertically provided with a connecting seat, the rear side of the base is vertically provided with a fixing seat, the top surface of the base is provided with a positioning groove, a sliding plate capable of sliding along with the positioning groove is arranged in the positioning groove, a rectangular groove is arranged on the sliding plate, a first threaded hole is arranged below the rectangular groove on the base, a corresponding testing device is designed and manufactured according to the requirements in GB/T6396-2008, the test is to use static compression force or static tensile force, the bonding surface of a base material and a composite material parallel to the direction of the test force is subjected to shear force until separation by the corresponding testing device, so as to determine the shear strength, and the prior art needs to use time waste by screwing a plurality of bolts and supporting rods when fixing the shear seat, so that the testing device for shear strength of the board-shaped porous material is inconvenient in use is proposed to solve the problems.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a plate-shaped porous material shearing strength testing device which has the advantages of convenience for fixing and the like, and solves the problems that time is wasted and inconvenience is caused when the shearing seat is used by screwing a plurality of bolts and supporting rods in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the shearing strength testing device for the plate-shaped porous material comprises a base and porous plates, wherein the top of the base is fixedly connected with two side plates, the right side of each side plate is fixedly connected with a fixed bin, each side plate is provided with a fixed assembly, and each fixed bin is provided with a limiting assembly;
the limiting assembly comprises a fixed plate fixedly connected with the right side of the right side plate, the top of the fixed plate is rotationally connected with a worm, the outer side of the worm is fixedly connected with a ratchet wheel, the right side of the fixed bin is laterally connected with a pull rod, the left side of the pull rod is fixedly connected with a movable plate, the outer side of the pull rod is sleeved with a first spring, the left side of the movable plate is hinged with a clamping plate, the left side of the movable plate is fixedly connected with a second spring, and the front inner wall of the fixed bin is fixedly connected with a fixed rod.
Further, fixed subassembly includes the threaded rod with right side curb plate right side threaded connection, the outside fixedly connected with worm wheel of threaded rod, the left side of threaded rod rotates and is connected with the kicking block, left side the right side fixedly connected with slide rail of curb plate, the right side sliding connection of slide rail has the shear plate, the top sliding connection of base has the baffle.
Further, the front inner wall and the back inner wall of the fixed bin are fixedly connected with stop blocks, and the top blocks are abutted against the baffle plates.
Further, a threaded through hole in threaded connection with the threaded rod is formed in the right side of the side plate, and the worm wheel and the worm are meshed with each other.
Further, the spout has been seted up at the top of base, the bottom fixedly connected with of baffle and spout sliding connection's slider.
Further, one end of the worm penetrates through the fixed bin and extends to the top of the fixed bin, and one end of the pull rod penetrates through and extends to the inside of the fixed bin.
Further, one end of the first spring is fixedly connected with the right inner wall of the fixed bin, the other end of the first spring is fixedly connected with the right side of the movable plate, and the fixed rod is abutted to the clamping plate.
Further, one end of the second spring is fixedly connected with one side, close to the movable plate, of the clamping plate, and the clamping plate is clamped with the ratchet wheel.
Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:
this platelike porous material shear strength testing arrangement adjusts the distance between shear plate and the baffle through rotating the worm to adapt to the porous panel of different thickness, be convenient for experiment to the porous panel of different specifications, easy operation through limiting component's setting, avoids taking place threaded rod pivoted condition in the experimentation, reduces the baffle and takes place to remove, takes place to the unstable condition of porous panel fixation, improves the practicality of device.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a front elevational view of the structure of the present utility model;
fig. 3 is a top cross-sectional view of the structure of the fixed cartridge of the present utility model.
In the figure: 1 base, 2 curb plates, 3 fixed bins, 4 fixed plates, 5 worms, 6 ratchet wheels, 7 pull rods, 8 movable plates, 9 clamping plates, 10 second springs, 11 fixed rods, 12 first springs, 13 threaded rods, 14 worm gears, 15 top blocks, 16 sliding rails, 17 shearing plates, 18 porous plates and 19 baffles.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one: referring to fig. 1-3, a device for testing shear strength of a plate-shaped porous material in this embodiment includes a base 1 and a porous plate 18, wherein two side plates 2 are fixedly connected to the top of the base 1, a fixed bin 3 is fixedly connected to the right side of the right side plate 2, stoppers are fixedly connected to the front inner wall and the back inner wall of the fixed bin 3, a fixing component is disposed on the side plate 2, and a limiting component is disposed on the fixed bin 3.
The restriction subassembly in this embodiment includes the fixed plate 4 with the right side fixed connection of right side curb plate 2, the top rotation of fixed plate 4 is connected with worm 5, the outside fixedly connected with ratchet 6 of worm 5, the right side sliding connection of fixed bin 3 has pull rod 7, worm 5 one end runs through fixed bin 3 and extends to the top of fixed bin 3, pull rod 7 one end runs through and extends to the inside of fixed bin 3, the left side fixedly connected with fly leaf 8 of pull rod 7, first spring 12 has been cup jointed in the outside of pull rod 7, the one end and the right side inner wall fixed connection of fixed bin 3 of first spring 12, the other end and the right side fixed connection of fly leaf 8 of first spring 12, the left side of fly leaf 8 articulates there is cardboard 9, cardboard 9 and ratchet 6 looks block, the left side fixedly connected with second spring 10 of fly leaf 8, the one end and the cardboard 9 are close to one side fixed connection of fly leaf 8, the front fixedly connected with dead lever 11 of fixed bin 3, dead lever 11 and cardboard 9 looks butt.
By adopting the technical scheme, the distance between the shearing plate 17 and the baffle 19 is adjusted by rotating the worm 5, so that the multi-hole plate 18 with different thicknesses is adapted, experiments on multi-hole plates 18 with different specifications are convenient, and the operation is simple.
Embodiment two: referring to fig. 1-2, on the basis of the first embodiment, the fixing assembly includes a threaded rod 13 in threaded connection with the right side of the right side plate 2, a worm wheel 14 is fixedly connected to the outer side of the threaded rod 13, a threaded through hole in threaded connection with the threaded rod 13 is formed in the right side plate 2, the worm wheel 14 is meshed with the worm 5, a top block 15 is rotatably connected to the left side of the threaded rod 13, a slide rail 16 is fixedly connected to the right side of the left side plate 2, a shear plate 17 is slidably connected to the right side of the slide rail 16, a baffle 19 is slidably connected to the top of the base 1, a chute is formed in the top of the base 1, a slider is fixedly connected to the bottom of the baffle 19 and slidably connected to the chute, and the top block 15 is abutted to the baffle 19.
It should be noted that, the top of shear plate 17 forms the shear blade, cuts porous panel 18 through the shear blade, and shear plate 17 and slide rail 16 sliding connection set up, conveniently change after the wear appears in shear plate 17, and the dog can restrict fly leaf 8, through ratchet 6 and cardboard 9 block, makes worm 5 can not reverse rotation, makes cardboard 9 continuously restrict ratchet 6 through the tension of second spring 10.
By adopting the technical scheme, when the porous plate 18 is tested, the porous plate 18 is placed between the shearing plate 17 and the baffle 19, the worm 5 is rotated, the worm wheel 14 meshed with the worm 5 drives the threaded rod 13 to rotate, the threaded rod 13 drives the first spring 12 to move leftwards, the baffle 19 is extruded, the baffle 19 is pushed to move to one side close to the shearing plate 17 on the sliding groove through the sliding block, the porous plate 18 is fixed by being matched with the shearing plate 17, when the baffle 19 needs to be regulated, the movable plate 8 is driven to move by pulling the pull rod 7, the first spring 12 is extruded, the movable plate 8 drives the clamping plate 9 to move, the clamping plate 9 is prevented from limiting the ratchet wheel 6, the position of the baffle 19 is regulated conveniently, further, the porous plate with different specifications is fixed, the device is placed in the experimental machine after the fixing is finished, a downward external force is applied to the top end of the porous plate 18 through the experimental machine, and the shearing strength of the porous plate 18 is tested.
The working principle of the embodiment is as follows:
this platelike porous material shear strength testing arrangement, when testing porous panel 18, place porous panel 18 between shearing board 17 and baffle 19, rotate worm 5, make worm wheel 14 with worm 5 meshing drive threaded rod 13 rotatory, threaded rod 13 drives kicking block 15 and moves left, extrude baffle 19, promote baffle 19 to be close to one side of shearing board 17 through the slider on the spout and remove, cooperate with shearing board 17 to fix porous panel 18, when need adjust baffle 19, through pulling pull rod 7 drive fly leaf 8 and remove, extrude first spring 12, fly leaf 8 drives cardboard 9 and removes, make cardboard 9 no longer restrict ratchet 6, the convenience is adjusted the position of baffle 19, and then fix porous panel of different specifications, after fixing, place this device in the experimental apparatus, apply decurrent external force to porous panel 18 top through the experimental apparatus, test porous panel 18's shear strength.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a platy porous material shear strength testing arrangement, includes base (1) and porous panel (18), its characterized in that: the top of the base (1) is fixedly connected with two side plates (2), the right side of the side plates (2) is fixedly connected with a fixed bin (3), the side plates (2) are provided with fixed components, and the fixed bin (3) is provided with limiting components;
the limiting assembly comprises a fixed plate (4) fixedly connected with the right side of the right side plate (2), a worm (5) is rotationally connected to the top of the fixed plate (4), a ratchet wheel (6) is fixedly connected to the outer side of the worm (5), a pull rod (7) is connected to the right side of the fixed bin (3) in a sliding mode, a movable plate (8) is fixedly connected to the left side of the pull rod (7), a first spring (12) is sleeved on the outer side of the pull rod (7), a clamping plate (9) is hinged to the left side of the movable plate (8), a second spring (10) is fixedly connected to the left side of the movable plate (8), and a fixing rod (11) is fixedly connected to the front inner wall of the fixed bin (3).
2. A sheet porous material shear strength testing device as claimed in claim 1, wherein: the fixing assembly comprises a threaded rod (13) in threaded connection with the right side of the right side plate (2), a worm wheel (14) is fixedly connected to the outer side of the threaded rod (13), a top block (15) is rotatably connected to the left side of the threaded rod (13), a sliding rail (16) is fixedly connected to the right side of the side plate (2), a shearing plate (17) is slidingly connected to the right side of the sliding rail (16), and a baffle (19) is slidingly connected to the top of the base (1).
3. A sheet porous material shear strength testing device as claimed in claim 2, wherein: the front inner wall and the back inner wall of the fixed bin (3) are fixedly connected with stop blocks, and the top block (15) is abutted to the baffle plate (19).
4. A sheet porous material shear strength testing device as claimed in claim 2, wherein: the right side is provided with a threaded through hole in threaded connection with a threaded rod (13) in the side plate (2), and the worm wheel (14) is meshed with the worm (5).
5. A sheet porous material shear strength testing device as claimed in claim 2, wherein: the top of base (1) has seted up the spout, the bottom fixedly connected with of baffle (19) and spout sliding connection's slider.
6. A sheet porous material shear strength testing device as claimed in claim 1, wherein: one end of the worm (5) penetrates through the fixed bin (3) and extends to the top of the fixed bin (3), and one end of the pull rod (7) penetrates through and extends to the inside of the fixed bin (3).
7. A sheet porous material shear strength testing device as claimed in claim 1, wherein: one end of the first spring (12) is fixedly connected with the right inner wall of the fixed bin (3), the other end of the first spring (12) is fixedly connected with the right side of the movable plate (8), and the fixed rod (11) is abutted to the clamping plate (9).
8. A sheet porous material shear strength testing device as claimed in claim 1, wherein: one end of the second spring (10) is fixedly connected with one side, close to the movable plate (8), of the clamping plate (9), and the clamping plate (9) is clamped with the ratchet wheel (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223139025.9U CN219890978U (en) | 2022-11-24 | 2022-11-24 | Device for testing shearing strength of plate-shaped porous material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223139025.9U CN219890978U (en) | 2022-11-24 | 2022-11-24 | Device for testing shearing strength of plate-shaped porous material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219890978U true CN219890978U (en) | 2023-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223139025.9U Active CN219890978U (en) | 2022-11-24 | 2022-11-24 | Device for testing shearing strength of plate-shaped porous material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219890978U (en) |
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- 2022-11-24 CN CN202223139025.9U patent/CN219890978U/en active Active
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