CN116678729A - Building material hardness detection device and application method thereof - Google Patents
Building material hardness detection device and application method thereof Download PDFInfo
- Publication number
- CN116678729A CN116678729A CN202310851177.1A CN202310851177A CN116678729A CN 116678729 A CN116678729 A CN 116678729A CN 202310851177 A CN202310851177 A CN 202310851177A CN 116678729 A CN116678729 A CN 116678729A
- Authority
- CN
- China
- Prior art keywords
- piston
- cavity
- gas
- piece
- bent pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 37
- 239000004566 building material Substances 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 33
- 239000002184 metal Substances 0.000 claims abstract description 31
- 238000003825 pressing Methods 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims description 60
- 239000000463 material Substances 0.000 claims description 37
- 238000002347 injection Methods 0.000 claims description 22
- 239000007924 injection Substances 0.000 claims description 22
- 239000012530 fluid Substances 0.000 claims description 20
- 238000007542 hardness measurement Methods 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 9
- 238000013459 approach Methods 0.000 claims description 7
- 230000001960 triggered effect Effects 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 239000004035 construction material Substances 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 21
- 238000012360 testing method Methods 0.000 description 19
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- G01N3/40—Investigating hardness or rebound hardness
- G01N3/42—Investigating hardness or rebound hardness by performing impressions under a steady load by indentors, e.g. sphere, pyramid
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The application discloses a device for detecting hardness of building materials and a use method thereof, belonging to the technical field of building material detection equipment. Simultaneously starting two electric push rods, enabling two side fixing structures to move towards a metal bent pipe piece in opposite directions, enabling a plurality of end components which are horizontally arranged in the side fixing structures to deform according to the shape of the side portion of the bent pipe piece, triggering a lower clamping finger piece to apply a pressing clamping force to the top of the metal bent pipe piece to be tested while enabling the end components to deform, and further improving the fixing effect of the metal bent pipe piece to be tested.
Description
Technical Field
The application relates to the technical field of building material detection equipment, in particular to a device for detecting hardness of a building material and a using method thereof.
Background
Building materials are various materials used in construction engineering. Building materials are of a wide variety and are broadly divided into: inorganic materials, which include metallic materials (including ferrous and nonferrous materials) and non-metallic materials (such as natural stone, sintered earth products, cement, concrete, silicate products, etc.), hardness is an important performance index for measuring the degree of softness of a metallic material of a building, and can be understood as the ability of the material to resist elastic deformation, plastic deformation or damage, and also as the ability of the material to resist residual deformation and reverse damage.
The prior art publication No. CN216449369U provides a portable building material hardness detection device, which makes it possible to firmly clamp a building material in a V-shaped placement groove to avoid sliding of the building material during detection by providing the V-shaped placement groove when the building material is placed.
The above prior art scheme can realize hardness detection by the prior art structure, but still has the following defects: above-mentioned current hardness detection device is when advancing metal elbow spare, and the standing groove is difficult to chucking metal elbow spare, leads to metal elbow spare to take place to slide and bounce easily in the testing process, can greatly reduced building material detection's accuracy like this, also makes the detection personnel receive the injury moreover easily, is difficult to ensure building material detection's security.
In the related art, the inventor considers that after the bent pipe piece to be tested for hardness is placed in the material placing ring at the top of the test table, two electric push rods are started at the same time, two side fixing structures move towards the metal bent pipe piece in opposite directions, and then a plurality of end components horizontally arranged in the side fixing structures can deform according to the side shape of the bent pipe piece, so that the application can deform according to the side shape of the bent pipe piece to be tested when fixing the bent pipe piece, the fixing fit degree of the bent pipe piece to be tested is improved, the fixing effect of the bent pipe piece is further improved, and the lower clamping finger piece can be triggered to apply a pressing clamping force to the top of the metal bent pipe piece to be tested when the end component deforms, so that the fixing effect of the metal bent pipe to be tested is further improved, the firm fixing of the material to be tested is realized, the occurrence of slippage or bouncing of the material to be tested in the test process is avoided, and the accuracy of the test result and the safety of the test are ensured.
In view of this, we propose a construction material hardness detection device.
Disclosure of Invention
1. Technical problem to be solved
The application aims to provide a method for a device for detecting the hardness of building materials, which solves the technical problems in the background technology.
2. Technical proposal
The technical scheme of the application provides a device for detecting the hardness of building materials, which comprises a detection table, wherein material holders capable of fixing corner pieces to be detected are symmetrically arranged at the top of the detection table, and a material placing ring is marked at the top of the detection table;
the material fixer comprises two electric push rods symmetrically arranged above the detection table, and the opposite ends of the two electric push rods are connected with a support with the bottom end connected with the detection table;
the two electric push rods are respectively provided with a side fixing structure on opposite ends, each side fixing structure comprises a treatment box fixedly connected to the free end of each electric push rod, each treatment box is connected with a fixing arm, a fluid channel is arranged in each fixing arm, and one end, far away from each treatment box, of each fixing arm is provided with a lower clamping finger piece;
a plurality of fixed piston cylinders are uniformly connected in the treatment box, are horizontally and linearly distributed, are hermetically and slidably connected with a liquid piston, and are connected with an end assembly;
the treatment tank is also filled with a liquid medium.
The inside of the processing box is also filled with a liquid medium part, wherein the bent pipe assembly can deform according to the side shape of the bent pipe fitting to be detected when being fixed, and the lower clamping finger part can be triggered to apply a pressing clamping force to the top of the metal bent pipe fitting to be detected when the end part assembly deforms.
By adopting the technical scheme, after the bent pipe piece to be tested for hardness is placed in the material placing ring at the top of the test table, the two electric push rods are started at the same time, the two side fixing structures move towards the metal bent pipe piece in opposite directions, and then the plurality of end components horizontally arranged in the side fixing structures can deform according to the side shape of the bent pipe piece, so that the application can deform according to the side shape of the bent pipe piece to be tested when fixing the bent pipe piece, thereby improving the fixing fit degree of the bent pipe piece to be tested, further improving the fixing effect of the lower clamping finger piece to apply pressing clamping force to the top of the metal bent pipe piece to be tested, further improving the fixing effect of the metal bent pipe to be tested, realizing firm fixing of the material to be tested, avoiding slipping or bouncing of the material to be tested in the test process, and ensuring the accuracy of the test result and the safety of the test.
As an alternative scheme of the technical scheme of the application, the end part component comprises a limiting finger connected with the end part of the liquid piston, and an airtight cavity and a gas-collecting cavity are respectively arranged in the limiting finger;
the airtight cavity is internally provided with an air injection piston in a sealing sliding manner, and is internally provided with a telescopic spring, one end of the telescopic spring is connected with the air injection piston, and the other end of the telescopic spring is connected with the inner wall of the airtight cavity;
one end of the gas injection piston, which is far away from the telescopic spring, is connected with a reverse force application rod, and the other end of the reverse force application rod respectively passes through the end part of the limit finger and the liquid piston in a sealing way and is connected with the side wall of the inner cavity of the treatment box;
a shunt channel is further arranged in the limiting finger, one end of the shunt channel is communicated with the airtight cavity, the other end of the shunt channel is communicated with the air-collecting cavity, and when the telescopic spring is in a relaxed state, the communication part of the shunt channel and the airtight cavity is arranged between the air injection piston and the air-collecting cavity;
an air hole is formed in the side wall of the limit finger, and the position of the air hole corresponds to one end of the airtight cavity, which is far away from the air-collecting cavity;
one end of the limiting finger far away from the liquid piston penetrates through the end of the fixed piston cylinder and is connected with an anti-slip gasket, and an inner cavity of the anti-slip gasket is communicated with the air collecting cavity.
By adopting the technical scheme, the bent corner piece to be detected in hardness is placed in the material placing ring at the top of the detection table, two electric push rods are started at the same time, then the two side fixing structures move in opposite directions and gradually approach the bent corner piece, when the end component is propped against the side wall of the bent corner piece, the end components arranged side by side can retract continuously towards the inside of the fixed piston cylinder according to the shape of the bent corner piece, so that the end components horizontally arranged in the side fixing structures can deform according to the shape of the side part of the bent corner piece, the bent corner piece can deform according to the shape of the side part of the bent corner piece to be detected when the bent corner piece is fixed, the fixed fitting degree of the bent corner piece to be detected is improved, and the fixing effect on the bent corner piece is improved.
As an alternative scheme of the technical scheme of the application, the lower clamping finger piece comprises a hollow base which is connected with the end part of the fixed arm and is vertically arranged, the interior of the hollow base is connected with a reciprocating piston in a sealing sliding manner, the reciprocating piston divides the hollow cavity of the hollow base into a liquid cavity and a gas cavity, and the liquid cavity is positioned above the gas cavity;
the top of the reciprocating piston is connected with a reset spring, and the top end of the reset spring is connected with the top wall of the liquid chamber;
the bottom of the reciprocating piston is connected with a locking rod piece, the bottom end of the locking rod piece penetrates through the hollow base and is connected with a pressing seat, and the bottom of the pressing seat is connected with a buffer gasket.
Through adopting above-mentioned technical scheme, in the continuous process of retracting of tip subassembly, pass through the fluid channel after the increase of the inside liquid pressure of treatment box and transmit to the inside of liquid cavity and promote reciprocating piston to move down, the buffer pad of downward activity applys the clamping force that pushes down again to return bend spare top surface.
As an alternative of the technical proposal of the application, the anti-loose rod piece comprises a force application rod with the top end connected with the bottom of the reciprocating piston;
the inner part of the force application rod is provided with a piston inner groove, the inner part of the piston inner groove is connected with a gas piston in a sealing sliding way, one end of the gas piston is connected with a wedge-shaped clamping block, and the other end of the gas piston is connected with an extension spring;
the force application rod is internally provided with an air-entraining channel, the lower part of the side wall of the hollow base is fixedly communicated with an exhaust pipeline, and the exhaust pipeline is provided with a switch valve for controlling the opening and closing of the exhaust pipeline.
As an alternative scheme of the technical scheme of the application, one end of the extension spring is connected with the gas piston, and the other end of the extension spring is connected with the inner wall of the inner groove of the piston;
one end of the wedge-shaped clamping block, which is far away from the gas piston, penetrates through the side wall of the force application rod.
As an alternative to the technical solution of the application, one end of the bleed air channel is connected to the inner groove of the piston, and the other end extends through the side wall of the force application rod.
As an alternative scheme of the technical scheme of the application, a plurality of anti-falling wedge grooves which can be used for buckling the end parts of the wedge-shaped clamping blocks are uniformly formed in the side wall of the gas chamber from top to bottom.
As an alternative to the technical scheme of the application, the top surfaces of the wedge-shaped clamping block and the anti-falling wedge-shaped groove are horizontal planes.
As an alternative to the technical solution of the present application, one end of the fluid channel is connected to the cavity inside the treatment tank, and the other end of the fluid channel is connected to the cavity inside the liquid chamber.
Through the technical scheme, in the continuous retraction process of the end component, the liquid pressure in the treatment box is increased and then is transferred to the liquid chamber through the fluid channel, the reciprocating piston is pushed to move downwards, the downward-moving buffer gasket applies downward clamping force to the top surface of the bent pipe fitting again, in the downward-moving process of the reciprocating piston driving anti-loose rod fitting, gas in the gas chamber is continuously extruded into the inner piston groove by the reciprocating piston, when the air pressure in the inner piston groove is greater than the elasticity of the tension spring, the air pressure pushes the triangular part of the end section of the wedge-shaped clamping block to be continuously buckled into different anti-disengaging wedge-shaped grooves, and as the top surfaces of the wedge-shaped clamping block and the anti-disengaging wedge-shaped grooves are horizontal planes, the downward-moving anti-loose rod fitting can not move upwards and retract again, so that the buffer gasket can be stably clamped and fixed on the top surface of the bent pipe fitting, the method can trigger the downward-pressing clamping finger fitting to apply downward clamping force to the top of the metal bent pipe fitting to be tested, the fixing effect of the metal bent pipe to be tested is further improved, firm fixing of the material to be tested is prevented from slipping or bouncing in the detection process, and the detection result is ensured.
The technical scheme of the application provides a device for detecting the hardness of a building material, which comprises the following steps:
s1, placing a corner piece to be detected in a material placing ring at the top of a detection table, simultaneously starting two electric push rods, and enabling two side fixing structures to move in opposite directions and gradually approach to the corner piece;
s2, when the end components are propped against the side wall of the bent pipe piece, the end components which are arranged side by side can retract into the fixed piston cylinder continuously according to the shape of the bent pipe piece, and then the end components drive the liquid piston to push and discharge the liquid medium part in the fixed piston cylinder continuously;
s3, in the continuous retraction process of the end component, the reverse force application rod pushes the gas injection piston to move, then the gas injection piston discharges gas in the airtight cavity through the split flow channel and the anti-slip gasket, and the blown gas flow can blow off solid particle impurities adsorbed on the surface of the side wall of the bent pipe fitting to be detected;
s4, after the liquid pressure in the treatment box is increased, the liquid pressure is transmitted into the liquid chamber through the fluid channel and pushes the reciprocating piston to move downwards, and the downwards movable buffer gasket applies a downwards pressing clamping force to the top surface of the bent pipe fitting again;
s5, in the process that the reciprocating piston drives the anti-loose rod piece to move downwards, gas in the gas chamber is continuously extruded into the inner groove of the piston by the reciprocating piston, and when the gas pressure in the inner groove of the piston is greater than the elasticity of the tension spring, the gas pressure pushes the triangular section of the end part of the wedge-shaped clamping block to be continuously buckled into different anti-loose wedge-shaped grooves;
s6, as the top surfaces of the wedge-shaped clamping blocks and the anti-falling wedge-shaped grooves are horizontal planes, the anti-loosening rod piece after downward movement cannot be moved upwards and retracted, and the buffer gasket can be stably clamped and fixed on the top surface of the elbow piece.
3. Advantageous effects
One or more technical schemes provided in the technical scheme of the application at least have the following technical effects or advantages:
1. after the bent pipe piece to be tested for hardness is placed in the material placing ring at the top of the test table, two electric push rods are started at the same time, two side fixing structures move towards the metal bent pipe piece in opposite directions, and then a plurality of end components horizontally arranged in the side fixing structures can deform according to the side shape of the bent pipe piece, so that the application can deform according to the side shape of the bent pipe piece to be tested when fixing the bent pipe piece, the fixing fit degree of the bent pipe piece to be tested is improved, the fixing effect of the bent pipe piece to be tested is further improved, and the application can trigger the lower clamping finger piece to apply a pressing clamping force to the top of the metal bent pipe piece to be tested when the end components deform, so that the fixing effect of the metal bent pipe to be tested is further improved, the firm fixing of the material to be tested is realized, the slipping or bouncing situation of the material to be tested in the test process is avoided, and the accuracy of the test result and the safety of the test are ensured.
2. The method comprises the steps of placing a bent part to be detected in a material placing ring at the top of a detection table, starting two electric push rods simultaneously, enabling two side fixing structures to move in opposite directions and gradually approach to the bent part, enabling a plurality of end assemblies arranged side by side to retract continuously towards the inside of a fixed piston cylinder according to the shape of the bent part when the end assemblies are propped against the side wall of the bent part, enabling the plurality of end assemblies horizontally arranged in the side fixing structures to deform according to the shape of the side part of the bent part, enabling the side fixing structure to deform according to the shape of the side part of the bent part to be detected when the bent part is fixed, improving the fixing fit degree of the bent part to be detected, and further improving the fixing effect of the bent part.
3. In the continuous retraction process of the end component, the reverse force application rod pushes the gas injection piston to move, then the gas injection piston discharges gas in the airtight cavity through the flow distribution channel by the anti-slip gasket, blown gas flow can blow off solid particle impurities adsorbed on the surface of the side wall of the bent pipe to be detected, and the surface finish of the position to be fixed on the surface of the bent pipe is ensured.
4. In the continuous retraction process of the end component, the liquid pressure in the treatment box is increased and then is transferred into the liquid cavity through the fluid channel, the reciprocating piston is pushed to move downwards, the downward movable buffer gasket applies downward clamping force to the top surface of the bent pipe fitting, in the downward movement process of the reciprocating piston driving the anti-loose rod fitting, the gas in the gas cavity is continuously extruded into the inner groove of the piston by the reciprocating piston, when the gas pressure in the inner groove of the piston is greater than the elasticity of the tension spring, the gas pressure pushes the triangular part of the end section of the wedge-shaped clamping block to be continuously buckled into different anti-falling wedge-shaped grooves, and as the top surfaces of the wedge-shaped clamping block and the anti-falling wedge-shaped grooves are horizontal planes, the downward movable anti-loose rod fitting cannot be moved upwards and retracted, so that the buffer gasket can be stably clamped and fixed on the top surface of the bent pipe fitting.
5. After the detection work of the elbow piece to be detected is finished, the switch valve on the exhaust pipeline is firstly opened, after the internal air pressure of the piston inner groove is reduced, under the action of the elasticity of the extension spring, the wedge-shaped clamping block is separated from the inside of the anti-falling wedge-shaped groove, then under the action of the elasticity of the return spring, the pressing seat which is originally applied with pressing clamping force to the top of the elbow piece is gradually separated from the pressing seat, the liquid medium part injected into the liquid chamber is refilled into the cavity inside the processing box through the fluid channel by the reciprocating piston, and the side fixing structures positioned at the left side and the right side of the elbow piece to be detected gradually move back to back by controlling the free ends of the two electric push rods, so that people can take out the fixed elbow piece after detection conveniently.
Drawings
FIG. 1 is a schematic view showing the overall structure of a device for detecting hardness of a building material according to a preferred embodiment of the present application;
FIG. 2 is a schematic cross-sectional view of a side fixing structure of a device for detecting hardness of building materials according to a preferred embodiment of the present application;
FIG. 3 is an enlarged schematic view showing a cross-sectional structure of a clamping unit in a hardness testing device for construction materials according to a preferred embodiment of the present application;
FIG. 4 is a schematic perspective view showing an anti-slip pad in a hardness testing device for building materials according to a preferred embodiment of the present application;
fig. 5 is an enlarged schematic view showing a cross-sectional structure of a lower finger in a hardness testing device for construction materials according to a preferred embodiment of the present application.
The reference numerals in the figures illustrate: 100. a detection table; 501. an electric push rod; 502. a treatment box; 503. a fixed arm; 504. a hollow base; 505. a fixed piston cylinder; 506. a liquid piston; 507. limiting the fingers; 508. an anti-slip gasket; 509. a reverse force application rod; 510. a reciprocating piston; 511. a force application rod; 512. pressing down a seat; 513. a buffer pad; 514. wedge-shaped clamping blocks; 515. an anti-falling wedge groove; 516. a fluid channel; 517. an air injection piston; 518. a shunt channel; 519. a telescopic spring; 520. a gas gathering chamber; 521. an airtight cavity; 522. a gas piston; 523. a tension spring; 524. a bleed air passage; 525. a return spring; 526. a liquid chamber; 527. a gas chamber; 528. a liquid medium portion.
Detailed Description
The application is described in further detail below with reference to the drawings.
Referring to fig. 1 and 2, an embodiment of the present application provides a device for detecting hardness of building materials, including a detecting table 100, a material fixer capable of fixing a corner piece to be detected is symmetrically disposed at the top of the detecting table 100, a material placing ring is further marked at the top of the detecting table 100, the material fixer includes two electric push rods 501 symmetrically disposed above the detecting table 100, opposite ends of the two electric push rods 501 are connected with supports whose bottom ends are connected with the detecting table 100, opposite ends of the two electric push rods 501 are respectively provided with a side fixing structure, the side fixing structure includes a processing box 502 fixedly connected to a free end of the electric push rods 501, the processing box 502 is connected with a fixing arm 503, a fluid channel 516 is disposed inside the fixing arm 503, a lower finger piece is disposed at an end of the fixing arm 503 away from the processing box 502, a plurality of fixing piston cylinders 505 are uniformly connected inside the processing box 502, the plurality of fixing piston cylinders 505 are horizontally arranged in a straight line, the inside of the fixing piston cylinders 505 are hermetically and slidingly connected with a liquid piston 506, an end component is connected to the liquid piston 506, and the inside of the processing box 502 is filled with a liquid medium 528. After the bent pipe piece to be tested for hardness is placed in the material placing ring at the top of the test table 100, the two electric push rods 501 are started at the same time, the two side fixing structures move towards the metal bent pipe piece in opposite directions, and then the plurality of end components horizontally arranged in the side fixing structures can deform according to the side shape of the bent pipe piece, so that the application can deform according to the side shape of the bent pipe piece to be tested when fixing the bent pipe piece, the fixing fit degree of the bent pipe piece to be tested is improved, the fixing effect of the bent pipe piece to be tested is further improved, the lower clamping finger piece can be triggered to apply pressing clamping force to the top of the metal bent pipe piece to be tested when the end components deform, the fixing effect of the metal bent pipe to be tested is further improved, the firm fixing of the material to be tested is realized, the slipping or bouncing situation of the material to be tested in the test process is avoided, and the accuracy of the test result and the safety are ensured.
The inside of the processing box 502 is further filled with a liquid medium portion 528, wherein the bent pipe assembly can deform according to the shape of the side portion of the bent pipe to be tested when being fixed, and the lower clamping finger can be triggered to apply a pressing clamping force to the top of the metal bent pipe to be tested when the end assembly deforms.
Referring to fig. 2 to 4, an embodiment of the present application provides a device for detecting hardness of a building material, the end component includes a limiting finger 507 connected to an end of a liquid piston 506, an airtight cavity 521 and a gas-collecting chamber 520 are respectively provided in the limiting finger 507, an air injection piston 517 is hermetically and slidably connected in the airtight cavity 521, a telescopic spring 519 is further provided in the airtight cavity 521, one end of the telescopic spring 519 is connected to the air injection piston 517, the other end is connected to an inner wall of the airtight cavity 521, one end of the air injection piston 517, which is far from the telescopic spring 519, is connected to a reverse force bar 509, the other end of the reverse force bar 509 is respectively sealed through an end of the limiting finger 507 and a liquid piston 506 and is connected to a side wall of an inner cavity of a processing box 502, a shunt channel 518 is further provided in the limiting finger 507, one end of the shunt channel 518 is communicated with the airtight cavity 521, the other end is communicated with the gas-collecting chamber 520, when the telescopic spring 521 is in a relaxed state, a communicating position between the air shunt channel 518 and the airtight cavity 521 and the gas-collecting chamber 520, an air hole is provided in a position corresponding to one end of the limiting finger side wall, which is far from the airtight cavity 521, the gas-collecting chamber 520, and one end of the limiting finger 507 is far from the liquid piston 506 and is connected to the inner cavity 508 through the anti-slip spacer 508. The bent corner piece to be detected in hardness is placed in the material placing ring at the top of the detection table 100, then two electric push rods 501 are started at the same time, then two side fixing structures move in opposite directions and gradually approach to the bent corner piece, when the end component abuts against the side wall of the bent corner piece, a plurality of end components arranged side by side can retract towards the inside of the fixed piston cylinder 505 continuously according to the shape of the bent corner piece, so that a plurality of end components horizontally arranged in the side fixing structures can deform according to the shape of the side part of the bent corner piece.
Referring to fig. 2 and 5, an embodiment of the present application provides a device for detecting hardness of building materials, the lower clamping finger includes a hollow base 504 connected to an end of a fixed arm 503 and arranged vertically, a reciprocating piston 510 is connected to an inner portion of the hollow base 504 in a sliding and sealing manner, the reciprocating piston 510 divides an inner cavity of the hollow base 504 into a liquid chamber 526 and a gas chamber 527, the liquid chamber 526 is located above the gas chamber 527, a return spring 525 is connected to a top of the reciprocating piston 510, a top end of the return spring 525 is connected to a top wall of the liquid chamber 526, a locking rod is connected to a bottom of the reciprocating piston 510, a bottom end of the locking rod penetrates through the hollow base 504 and is connected to a pressing base 512, and a buffer pad 513 is connected to a bottom of the pressing base 512. One end of the fluid passage 516 communicates with the interior cavity of the processing tank 502 and the other end of the fluid passage 516 communicates with the interior cavity of the fluid chamber 526.
Referring to fig. 2 and 5, the embodiment of the application provides a device for detecting hardness of building materials, the anti-loosening rod comprises a force applying rod 511 with the top end connected with the bottom of a reciprocating piston 510, the force applying rod 511 is of a cuboid structure, an inner piston groove is formed in the force applying rod 511, a gas piston 522 is connected in a sealing sliding manner in the inner piston groove, one end of the gas piston 522 is connected with a wedge-shaped clamping block 514, the other end of the gas piston 522 is connected with a tension spring 523, an air entraining channel 524 is further formed in the force applying rod 511, an exhaust pipeline is fixedly communicated with the lower portion of the side wall of the hollow base 504, and a switch valve for controlling the opening and closing of the exhaust pipeline is arranged on the exhaust pipeline. One end of the extension spring 523 is connected with the gas piston 522, the other end of the extension spring is connected with the inner wall of the inner groove of the piston, and one end, far away from the gas piston 522, of the wedge-shaped clamping block 514 penetrates through the side wall of the force application rod 511. One end of the bleed passage 524 is communicated with the inner groove of the piston, and the other end penetrates through the side wall of the force application rod 511. The side wall of the gas chamber 527 is uniformly provided with a plurality of anti-falling wedge grooves 515 from top to bottom, into which the end parts of the wedge-shaped clamping blocks 514 are buckled. The top surfaces of the wedge-shaped clamping blocks 514 and the anti-falling wedge-shaped grooves 515 are horizontal planes. In the continuous retraction process of the end component, the liquid pressure in the treatment box 502 is increased and then is transferred to the inside of the liquid chamber 526 through the fluid channel 516 and pushes the reciprocating piston 510 to move downwards, the downward movable buffer gasket 513 applies downward clamping force to the top surface of the elbow piece again, in the downward movement process of the reciprocating piston 510 driving the anti-loose rod piece, the gas in the gas chamber 527 is continuously extruded into the inner piston groove by the reciprocating piston 510, when the air pressure in the inner piston groove is greater than the elasticity of the stretching spring 523, the air pressure pushes the triangular part of the end section of the wedge-shaped clamping block 514 to be continuously buckled into different anti-falling wedge grooves 515, and as the top surfaces of the wedge-shaped clamping block 514 and the anti-falling wedge grooves 515 are horizontal planes, the downward movable anti-loose rod piece cannot move upwards again to retract, so that the buffer gasket 513 can be stably clamped and fixed on the top surface of the elbow piece, the top of the metal elbow piece to be tested can be triggered to apply downward clamping force to the top of the metal elbow piece to be tested while the end component is deformed, the fixing effect of the metal elbow to be tested is further improved, the firm fixing effect of the metal elbow to be tested is further avoided, and the materials to be tested is prevented from being firmly fixed, the materials to be tested, and the slipping or the situation in the detection process is ensured, and the accuracy of detection results are ensured.
The embodiment of the application provides a device for detecting the hardness of building materials, which comprises the following steps,
s1, placing a corner piece to be tested for hardness in a material placing ring at the top of a test table 100, simultaneously starting two electric push rods 501, and then enabling two side fixing structures to move in opposite directions and gradually approach to the corner piece;
s2, when the end components are propped against the side wall of the bent pipe piece, the end components which are arranged side by side can retract into the fixed piston cylinder 505 continuously according to the shape of the bent pipe piece, and then the end components drive the liquid piston 506 to push and discharge the liquid medium 528 in the fixed piston cylinder 505 continuously;
s3, in the continuous retraction process of the end component, the reverse force application rod 509 pushes the gas injection piston 517 to move, then the gas injection piston 517 discharges gas in the airtight cavity 521 through the split channel 518 by the anti-slip gasket 508, and the blown gas flow can blow off solid particle impurities adsorbed on the side wall surface of the bent pipe fitting to be detected;
s4, after the liquid pressure in the treatment box 502 is increased, the liquid pressure is transmitted into the liquid chamber 526 through the fluid channel 516 and pushes the reciprocating piston 510 to move downwards, and the downwards movable buffer gasket 513 applies a downwards pressing clamping force to the top surface of the pipe bending piece again;
s5, in the process that the reciprocating piston 510 drives the anti-loosening rod to move downwards, gas in the gas chamber 527 is continuously extruded into the inner groove of the piston by the reciprocating piston 510, and when the gas pressure in the inner groove of the piston is greater than the elastic force of the stretching spring 523, the gas pressure pushes the triangular section of the end part of the wedge-shaped clamping block 514 to be continuously buckled into different anti-loosening wedge-shaped grooves 515;
s6, as the top surfaces of the wedge-shaped clamping blocks 514 and the anti-falling wedge-shaped grooves 515 are horizontal planes, the anti-falling rod cannot be moved upwards and retracted any more, and the buffer gasket 513 can be stably clamped and fixed on the top surface of the elbow.
The test working process of the concrete building material is as follows: the bent corner piece to be tested for hardness is placed in the material placing ring at the top of the test table 100, then the two electric push rods 501 are started at the same time, then the two side fixing structures move in opposite directions and gradually approach to the bent corner piece, when the end component is propped against the side wall of the bent corner piece, the end components arranged side by side can retract continuously towards the inside of the fixed piston cylinder 505 according to the shape of the bent corner piece, so that the end components horizontally arranged in the side fixing structures can deform according to the shape of the side part of the bent corner piece, the bent corner piece can deform according to the shape of the side part of the bent corner piece to be tested when the bent corner piece is fixed, the fixed fitting degree of the bent corner piece to be tested is improved, and the fixing effect on the bent corner piece is improved, in the continuous retraction process of the end component, the reverse force application rod 509 pushes the gas injection piston 517 to move, then the gas injection piston 517 discharges gas in the airtight cavity 521 through the flow distribution channel 518 by the anti-slip gasket 508, blown gas flow can blow off solid particle impurities adsorbed on the surface of the side wall of the bent pipe to be detected, and the surface finish of the position to be fixed on the surface of the bent pipe is ensured.
In the continuous retraction process of the end component, the liquid pressure in the treatment box 502 is increased and then is transferred to the inside of the liquid chamber 526 through the fluid channel 516 and pushes the reciprocating piston 510 to move downwards, the downward movable buffer gasket 513 applies downward clamping force to the top surface of the elbow piece again, in the downward movement process of the reciprocating piston 510 driving the anti-loose rod piece, the gas in the gas chamber 527 is continuously extruded into the inner piston groove by the reciprocating piston 510, when the air pressure in the inner piston groove is greater than the elasticity of the stretching spring 523, the air pressure pushes the triangular part of the end section of the wedge-shaped clamping block 514 to be continuously buckled into different anti-falling wedge grooves 515, and as the top surfaces of the wedge-shaped clamping block 514 and the anti-falling wedge grooves 515 are horizontal planes, the downward movable anti-loose rod piece cannot move upwards again to retract, so that the buffer gasket 513 can be stably clamped and fixed on the top surface of the elbow piece, the top of the metal elbow piece to be tested can be triggered to apply downward clamping force to the top of the metal elbow piece to be tested while the end component is deformed, the fixing effect of the metal elbow to be tested is further improved, the firm fixing effect of the metal elbow to be tested is further avoided, and the materials to be tested is prevented from being firmly fixed, the materials to be tested, and the slipping or the situation in the detection process is ensured, and the accuracy of detection results are ensured.
According to the application, deformation can be carried out according to the side shape of the bent pipe fitting to be detected when the bent pipe assembly is fixed, the fixing fitting degree of the bent pipe fitting to be detected is improved, and the fixing effect of the bent pipe fitting to be detected is further improved.
The technical principle of the present application is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the application and should not be taken in any way as limiting the scope of the application. Other embodiments of the application will be apparent to those skilled in the art from consideration of this specification without undue burden.
Claims (10)
1. A building material hardness detection device, characterized in that: the device comprises a detection table, wherein the top of the detection table is symmetrically provided with material retainers capable of fixing the corner piece to be detected, and the top of the detection table is also marked with a material placing ring;
the material fixer comprises two electric push rods symmetrically arranged above the detection table, and the opposite ends of the two electric push rods are connected with a support with the bottom end connected with the detection table;
the two electric push rods are respectively provided with a side fixing structure on opposite ends, each side fixing structure comprises a treatment box fixedly connected to the free end of each electric push rod, each treatment box is connected with a fixing arm, a fluid channel is arranged in each fixing arm, and one end, far away from each treatment box, of each fixing arm is provided with a lower clamping finger piece;
the inside of the treatment box is uniformly connected with a plurality of fixed piston cylinders, the fixed piston cylinders are horizontally and linearly distributed, the inside of the fixed piston cylinders is hermetically and slidingly connected with a liquid piston, an end component is connected to the liquid piston, the end component comprises a limiting finger connected with the end part of the liquid piston, an airtight cavity and an air gathering cavity are respectively arranged in the limiting finger, an air injection piston is hermetically and slidingly connected in the airtight cavity, an expansion spring is further arranged in the airtight cavity, one end of the expansion spring is connected with the air injection piston, the other end of the expansion spring is connected with the inner wall of the airtight cavity, one end of the air injection piston, far away from the expansion spring, is connected with a reverse force application rod, and the other end of the reverse force application rod respectively penetrates through the end part of the limiting finger and the liquid piston in a sealing manner and is connected with the side wall of the inner cavity of the treatment box;
the inside of the processing box is also filled with a liquid medium part, wherein the bent pipe assembly can deform according to the side shape of the bent pipe fitting to be detected when being fixed, and the lower clamping finger part can be triggered to apply a pressing clamping force to the top of the metal bent pipe fitting to be detected when the end part assembly deforms.
2. The building material hardness testing device according to claim 1, wherein: a shunt channel is further arranged in the limit finger, one end of the shunt channel is communicated with the airtight cavity, the other end of the shunt channel is communicated with the air-collecting cavity, and when the telescopic spring is in a relaxed state, the communication part of the shunt channel and the airtight cavity is arranged between the air injection piston and the air-collecting cavity;
an air hole is formed in the side wall of the limit finger, and the position of the air hole corresponds to the position of one end, far away from the air-condensing cavity, of the airtight cavity;
one end of the limiting finger far away from the liquid piston penetrates through the end of the fixed piston cylinder and is connected with an anti-slip gasket, and an inner cavity of the anti-slip gasket is communicated with the air collecting cavity.
3. The building material hardness testing device according to claim 1, wherein: the lower clamping finger piece comprises a hollow base which is connected with the end part of the fixed arm and is vertically arranged, the interior of the hollow base is connected with a reciprocating piston in a sealing sliding manner, the reciprocating piston divides the hollow cavity in the hollow base into a liquid cavity and a gas cavity, and the liquid cavity is positioned above the gas cavity;
the top of the reciprocating piston is connected with a return spring, and the top end of the return spring is connected with the top wall of the liquid chamber;
the bottom of the reciprocating piston is connected with a locking rod piece, the bottom end of the locking rod piece penetrates through the hollow base and is connected with a pressing seat, and the bottom of the pressing seat is connected with a buffer gasket.
4. A building material hardness testing device according to claim 3, wherein: the anti-loose rod piece comprises a force application rod, and the top end of the force application rod is connected with the bottom of the reciprocating piston;
the inner part of the force application rod is provided with a piston inner groove, the inner part of the piston inner groove is connected with a gas piston in a sealing sliding manner, one end of the gas piston is connected with a wedge-shaped clamping block, and the other end of the gas piston is connected with an extension spring;
the force application rod is internally provided with an air-entraining channel, the lower part of the side wall of the hollow base is fixedly communicated with an exhaust pipeline, and the exhaust pipeline is provided with a switch valve for controlling the opening and closing of the exhaust pipeline.
5. The building material hardness testing device according to claim 4, wherein: one end of the extension spring is connected with the gas piston, and the other end of the extension spring is connected with the inner wall of the inner groove of the piston;
one end of the wedge-shaped clamping block, which is far away from the gas piston, penetrates through the side wall of the force application rod.
6. The building material hardness testing device according to claim 4, wherein: one end of the air entraining channel is communicated with the inner groove of the piston, and the other end of the air entraining channel penetrates through the side wall of the force application rod.
7. The building material hardness testing device according to claim 4, wherein: the side wall of the gas chamber is uniformly provided with a plurality of anti-falling wedge grooves from top to bottom, wherein the anti-falling wedge grooves can be used for clamping the end parts of the wedge-shaped clamping blocks.
8. The building material hardness testing device according to claim 7, wherein: the top surfaces of the wedge-shaped clamping blocks and the anti-falling wedge-shaped grooves are horizontal planes.
9. A building material hardness testing device according to claim 3, wherein: one end of the fluid channel is communicated with the cavity inside the treatment box, and the other end of the fluid channel is communicated with the cavity inside the liquid chamber.
10. A method of using a construction material hardness testing device according to any one of claims 1-9, comprising the steps of:
s1, placing a corner piece to be detected in a material placing ring at the top of a detection table, simultaneously starting two electric push rods, and enabling two side fixing structures to move in opposite directions and gradually approach to the corner piece;
s2, when the end components are propped against the side wall of the bent pipe piece, the end components which are arranged side by side can retract into the fixed piston cylinder continuously according to the shape of the bent pipe piece, and then the end components drive the liquid piston to push and discharge the liquid medium part in the fixed piston cylinder continuously;
s3, in the continuous retraction process of the end component, the reverse force application rod pushes the gas injection piston to move, then the gas injection piston discharges gas in the airtight cavity through the split flow channel and the anti-slip gasket, and the blown gas flow can blow off solid particle impurities adsorbed on the surface of the side wall of the bent pipe fitting to be detected;
s4, after the liquid pressure in the treatment box is increased, the liquid pressure is transmitted into the liquid chamber through the fluid channel and pushes the reciprocating piston to move downwards, and the downwards movable buffer gasket applies a downwards pressing clamping force to the top surface of the bent pipe fitting again;
s5, in the process that the reciprocating piston drives the anti-loose rod piece to move downwards, gas in the gas chamber is continuously extruded into the inner groove of the piston by the reciprocating piston, and when the gas pressure in the inner groove of the piston is greater than the elasticity of the tension spring, the gas pressure pushes the triangular section of the end part of the wedge-shaped clamping block to be continuously buckled into different anti-loose wedge-shaped grooves;
s6, as the top surfaces of the wedge-shaped clamping blocks and the anti-falling wedge-shaped grooves are horizontal planes, the anti-loosening rod piece after downward movement cannot be moved upwards and retracted, and the buffer gasket can be stably clamped and fixed on the top surface of the elbow piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310851177.1A CN116678729A (en) | 2023-07-12 | 2023-07-12 | Building material hardness detection device and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310851177.1A CN116678729A (en) | 2023-07-12 | 2023-07-12 | Building material hardness detection device and application method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116678729A true CN116678729A (en) | 2023-09-01 |
Family
ID=87789337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310851177.1A Withdrawn CN116678729A (en) | 2023-07-12 | 2023-07-12 | Building material hardness detection device and application method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116678729A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117183346A (en) * | 2023-09-27 | 2023-12-08 | 石家庄通达塑料制品有限公司 | PE pipe high-speed mixer and forming method |
-
2023
- 2023-07-12 CN CN202310851177.1A patent/CN116678729A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117183346A (en) * | 2023-09-27 | 2023-12-08 | 石家庄通达塑料制品有限公司 | PE pipe high-speed mixer and forming method |
| CN117183346B (en) * | 2023-09-27 | 2024-02-23 | 石家庄通达塑料制品有限公司 | PE pipe hot-melt connection device and connection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN116678729A (en) | Building material hardness detection device and application method thereof | |
| CN206083493U (en) | Five gold plate bending device | |
| CN108500598A (en) | A kind of handling equipment of clamp spring | |
| CN108375503A (en) | A kind of mechanical strength testing device | |
| CN206883498U (en) | A kind of multivariant resistance clamping device | |
| CN116148083B (en) | Device and process for testing tensile strength of BWFRP cable protection tube | |
| CN104483191A (en) | Cement compression resistance clamp for compression testing machine and usage method of clamp | |
| CN115235882A (en) | Rubber strip tensile property testing device and using method | |
| CN109352383A (en) | Alignment positioning device | |
| CN215487386U (en) | Side surface inflating mechanism of shock absorber | |
| CN217595555U (en) | Steel form surface depression repairing device | |
| CN209656007U (en) | A kind of dimension automatic detection device | |
| US9649736B2 (en) | Workpiece handling | |
| CN210977834U (en) | Fuel pump detection device | |
| CN209640091U (en) | A kind of fixed more stable drawing instrument of sample | |
| CN220854404U (en) | Rubber compression-resistant detection device with limiting structure | |
| CN210269387U (en) | Cement breaking press | |
| CN220040077U (en) | Rock tensile mechanical experiment device for simulating deep high-temperature high-pressure environment | |
| CN220136644U (en) | Injector sliding performance tester | |
| CN210255815U (en) | Make things convenient for go up leakproofness of unloading of robot to detect and use fixture device | |
| CN117054254B (en) | Fireproof rock wool board flexural strength detection device | |
| CN205898594U (en) | Five metals piece hardness testing device | |
| CN214794157U (en) | Stone material compressive strength tester | |
| CN218629334U (en) | High-temperature bending resistance tester | |
| CN220207609U (en) | Soil profile in-situ heavy metal distribution detection probe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20230901 |