CN113866031A - Material performance detection device and method - Google Patents

Material performance detection device and method Download PDF

Info

Publication number
CN113866031A
CN113866031A CN202110680681.0A CN202110680681A CN113866031A CN 113866031 A CN113866031 A CN 113866031A CN 202110680681 A CN202110680681 A CN 202110680681A CN 113866031 A CN113866031 A CN 113866031A
Authority
CN
China
Prior art keywords
detection
rod
probe
charging barrel
detection device
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.)
Pending
Application number
CN202110680681.0A
Other languages
Chinese (zh)
Inventor
胡孟军
黄威
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhuyou Zhizao Construction Technology Group Co ltd
Original Assignee
Zhuyou Zhizao Construction Technology Group Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhuyou Zhizao Construction Technology Group Co ltd filed Critical Zhuyou Zhizao Construction Technology Group Co ltd
Priority to CN202110680681.0A priority Critical patent/CN113866031A/en
Publication of CN113866031A publication Critical patent/CN113866031A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/40Investigating hardness or rebound hardness
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N11/00Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
    • G01N11/10Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material
    • G01N11/12Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material by measuring rising or falling speed of the body; by measuring penetration of wedged gauges
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/38Concrete; Lime; Mortar; Gypsum; Bricks; Ceramics; Glass
    • G01N33/383Concrete or cement

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The invention discloses a material performance detection device which comprises a pressing block, a machine body, a charging barrel and a detection mechanism, wherein the charging barrel and the detection mechanism are arranged on the machine body, the detection mechanism is positioned above the charging barrel, the detection mechanism comprises a detection rod and a detection ruler, the detection rod is arranged on the machine body and can slide up and down relative to the detection ruler, and the pressing block is arranged at one end, away from the charging barrel, of the detection rod. The material performance detection device can quickly detect the relative size of the cohesiveness of the production material in the production field of the extrusion molding cement plate, thereby determining whether the equipment parameters need to be debugged, whether different batches of materials can share one set of equipment parameters, whether continuous production can be carried out between two batches of materials, and further ensuring the stability of the production quality of the extrusion molding cement plate.

Description

Material performance detection device and method
Technical Field
The invention belongs to the technical field of assembly, and particularly relates to a material performance detection device and method.
Background
The extrusion-molded cement-based plate is a series plate with various section shapes, which is prepared by extruding a plastic fiber cement mixture with low water-cement ratio through a die orifice in a vacuum extrusion molding machine under the action of high extrusion force and high shear force of a screw after vacuum exhaust.
In the production of extrusion molding cement boards, the dry and wet degree, the hardness and softness degree of materials, whether fibers exist or not and other factors can influence the extrusion molding speed or quality, particularly, the working performance of the materials such as the hardness and softness degree or cohesiveness is particularly critical to the stable control of production, and at present, a plurality of methods for measuring and judging the cohesiveness of cement-based materials are available, but the methods are not suitable for rapid detection on site, and the problem of unstable production quality of the cement boards caused by the fact that rapid detection cannot be performed in the field production process exists.
In view of the foregoing, it is desirable to provide a device and a method for detecting material properties to solve the above problems.
Disclosure of Invention
The invention mainly aims to provide a material performance detection device to solve the problem that the production quality of an extrusion molding cement plate is unstable in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a material performance detection device, includes briquetting, fuselage and locates the feed cylinder and the detection mechanism of fuselage, detection mechanism is located the top of feed cylinder, detection mechanism is including locating the test bar and the detection ruler of fuselage, the test bar can for the detection ruler slides from top to bottom, the briquetting is located the test bar deviates from the one end of feed cylinder.
Optionally, the detection ruler is a ruler with an opening in the middle, scales are marked on the periphery of the opening, and a pointer is arranged on the detection rod and exposed out of the opening.
Optionally, the detection rod includes the slide bar and locates the slide bar is close to the probe of the one end of feed cylinder, be equipped with the connecting rod on the slide bar, the pointer is located the connecting rod is kept away from the one end of slide bar, the connecting rod can slide in the opening.
Optionally, one end of the sliding rod, which is close to the probe, is provided with an internal thread, one end of the probe, which is close to the sliding rod, is provided with an external thread, and the sliding rod is connected with the probe through a thread.
Optionally, an end of the probe facing away from the slide bar is needle-shaped or pointed.
Optionally, the briquetting is the weight, the slide bar is kept away from the one end of probe is equipped with the internal thread, the one end of weight is equipped with the external screw thread, the slide bar with the weight passes through threaded connection.
Optionally, the machine body comprises a bottom plate and a connecting plate connected with the bottom plate, the charging barrel is arranged on the bottom plate, two supporting plates are arranged at an upper interval and a lower interval at one end, far away from the bottom plate, of the connecting plate, sliding openings are formed in the relative positions of the two supporting plates, the detecting rod penetrates through the two sliding openings, and the scale is arranged at one end, far away from the connecting plate, of the supporting plate.
Optionally, the bottom plate and the connecting plate are both cast iron plates, and the charging barrel is a stainless steel barrel.
The invention also provides a material performance detection method using the material performance detection device, which comprises the following steps:
taking out a material to be detected from a stirrer and pressing the material into a charging barrel;
placing the charging barrel and the material to be detected on the machine body, placing a pressing block on the sliding rod, and contacting the probe with the upper surface of the material to be detected in the charging barrel;
thirdly, allowing the detection rod to fall under the action of the gravity of the detection rod and the pressing block, and inserting the probe into the material to be detected;
recording the scale value of the pointer pointing to the scale;
taking out the material to be detected in the material barrel, putting the material to be detected in the next batch, and repeating the second step to the fourth step;
and step six, if the difference value between the scale values measured twice is less than or equal to a preset threshold value, determining that the properties of the two batches of materials are the same.
Optionally, before the third step, the method further includes the steps of:
and seventhly, observing whether the pointer is at the zero position of the scale, and if the pointer is not at the zero position, correcting the pointer.
The invention discloses a material performance detection device which comprises a pressing block, a machine body, a charging barrel and a detection mechanism, wherein the charging barrel and the detection mechanism are arranged on the machine body, the detection mechanism is positioned above the charging barrel, the detection mechanism comprises a detection rod and a detection ruler, the detection rod is arranged on the machine body and can slide up and down relative to the detection ruler, and the pressing block is arranged at one end, away from the charging barrel, of the detection rod. The material performance detection device can quickly detect the relative size of the cohesiveness of the production material in the production field of the extrusion molding cement plate, thereby determining whether the equipment parameters need to be debugged, whether different batches of materials can share one set of equipment parameters, whether continuous production can be carried out between two batches of materials, and further ensuring the stability of the production quality of the extrusion molding cement plate.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic view of a material property testing apparatus according to the present invention;
fig. 2 is a schematic structural diagram of another viewing angle of the material property detection apparatus of the present invention.
Reference numerals: 1-pressing block, 2-sliding rod, 3-machine body, 4-detection ruler, 5-probe, 6-charging barrel and 7-pointer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a material performance detection device, and aims to solve the problem that the production quality of an extrusion molding cement plate is unstable in the prior art.
Referring to fig. 1, in an embodiment of the present invention, the material performance detecting apparatus includes a pressing block 1, a machine body 3, a charging barrel 6 disposed on the machine body 3, and a detecting mechanism, the detecting mechanism is disposed above the charging barrel 6, the detecting mechanism includes a detecting rod and a detecting ruler 4 disposed on the machine body 3, the detecting rod can slide up and down relative to the detecting ruler 4, and the pressing block 1 is disposed at an end of the detecting rod away from the charging barrel 6. In this embodiment, the pressing block 1 is arranged at one end of the detection rod, which is far away from the charging barrel 6, and can apply downward pressure to the detection rod, and the detection rod can slide up and down relative to the detection ruler 4. When the material that awaits measuring is filled up in feed cylinder 6, under the self action of gravity through the pressure of briquetting 1 and measuring rod, the measuring rod can insert in feed cylinder 6, can learn the depth of insertion of measuring rod through mutually supporting of measuring rod and measuring chi 4 to learn the relative size of the cohesiveness of the material that awaits measuring in the feed cylinder 6, thereby determine whether vacuum extrusion molding machine's technological parameter needs the adjustment.
The material performance detection device can quickly detect the relative size of the cohesiveness of the production material in the production field of the extrusion molding cement plate, thereby determining whether the equipment parameters need to be debugged, whether different batches of materials can share one set of equipment parameters, whether continuous production can be carried out between two batches of materials, and further ensuring the stability of the production quality of the extrusion molding cement plate.
In one embodiment, the detection ruler 4 is a ruler with an opening in the middle, scales are marked on the periphery of the opening, and the pointer 7 is arranged on the detection rod and exposed out of the opening. The minimum scale value of pointer 7 on the scale is 1 millimeter, sets up pointer 7 on the test rod, can be convenient for the audio-visual scale of seeing that points to of technical staff. In another embodiment, the scales can be arranged on the detection rod, when the detection rod is detected, the scales when the detection rod is placed on the surface of a material to be detected are recorded firstly, then the scales after the detection rod is inserted into the material to be detected are recorded, and the insertion depth of the detection rod is determined through the two scales.
In addition, the detection rod comprises a slide rod 2 and a probe 5 arranged at one end, close to the charging barrel 6, of the slide rod 2, a connecting rod is arranged on the slide rod 2, a pointer 7 is arranged at one end, far away from the slide rod 2, of the connecting rod, and the connecting rod can slide in the opening. The arrangement of the probe 5 can be more beneficial to the insertion of the detection rod into the material to be detected. Wherein, one end of the probe 5 departing from the slide bar 2 is needle-shaped or sharp cone-shaped
In addition, the slide bar 2 be close to the one end of probe 5 is equipped with the internal thread, the probe 5 be close to the one end of slide bar 2 is equipped with the external screw thread, slide bar 2 with probe 5 passes through threaded connection. Because through threaded connection between slide bar 2 and the probe 5, can conveniently dismantle the installation, be convenient for change probe 5.
Wherein, briquetting 1 can be the weight, slide bar 2 is kept away from the one end of probe 5 is equipped with the internal thread, the one end of weight is equipped with the external screw thread, slide bar 2 with the weight passes through threaded connection. The code sending device is in threaded connection with the sliding rod 2, so that the code sending device can conveniently add or subtract the code sent by the sliding rod 2, and the detected variable can be conveniently controlled.
In one embodiment, the machine body 3 comprises a bottom plate and a connecting plate connected with the bottom plate, the charging barrel 6 is arranged on the bottom plate, one end, far away from the bottom plate, of the connecting plate is provided with two supporting plates which are arranged at an upper interval and a lower interval, the two supporting plates are provided with sliding openings at opposite positions, the detection rod penetrates through the two sliding openings, and the scale is arranged at one end, far away from the connecting plate, of the supporting plate. The bottom plate and the connecting plate are both cast iron plates, and the charging barrel 6 is a stainless steel barrel.
The invention also provides a material performance detection method, which is applied to the material performance detection device and comprises the following steps:
taking out a material to be detected from a stirrer and pressing the material into a charging barrel 6;
secondly, placing the charging barrel 6 and the material to be tested on the machine body 3, placing a pressing block 1 on the sliding rod 2, and contacting the probe 5 with the upper surface of the material to be tested in the charging barrel 6;
thirdly, allowing the detection rod to fall under the action of gravity of the detection rod and the pressing block 1, and inserting the probe 5 into the material to be detected;
recording the scale value of the pointer 7 pointing to the scale;
step five, taking out the material to be detected in the charging barrel 6, putting the material to be detected in the next batch, and repeating the step two to the step four;
and step six, if the difference value between the scale values measured twice is less than or equal to a preset threshold value, determining that the properties of the two batches of materials are the same.
In another embodiment, step three is preceded by: and seventhly, observing whether the pointer 7 is at the zero position of the scale, and if the pointer 7 is not at the zero position, correcting the pointer 7.
Specifically, the material to be measured is taken out of the cement-based material taken out of the pot of the stirrer, pressed into the charging barrel 6, compacted, hammered by a hammer, and removed by a small shovel from the material higher than the surface and the bottom of the charging barrel 6; placing one or more pressing blocks 1 on the slide bar 2, then placing the charging barrel 6 and the material to be tested on the machine body 3, and contacting the probe 5 with the upper surface of the material to be tested in the charging barrel 6; holding the probe 5, and observing whether the pointer 7 is at the zero position of the scale, if not, correcting; slightly loosening the hand to enable the probe 5 to fall under the dead weight of the pressing block 1 and the sliding rod 2, and inserting the probe 5 into the material to be detected; recording the scale value of the pointer 7 pointing to the scale; removing the material to be detected in the material barrel 6, and then putting a second batch of material to be detected; in the same way, a second batch of material to be tested is pressed into the cylinder 6 and its scale values are tested in the same way. If the difference value between the scale values measured twice is smaller than or equal to the preset threshold value, the properties of the two batches of materials are determined to be the same, the two batches of materials can share the same equipment parameter, and the two batches of materials to be measured can be continuously produced without modifying the equipment parameter. The preset threshold can be set according to practical situations, and can be set to 10mm in general.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a material performance detection device, its characterized in that includes briquetting, fuselage and locates the feed cylinder and the detection mechanism of fuselage, detection mechanism is located the top of feed cylinder, detection mechanism is including locating the test bar and the detection ruler of fuselage, the test bar can for the detection ruler slides from top to bottom, the briquetting is located the test bar deviates from the one end of feed cylinder.
2. The material property detection device according to claim 1, wherein the detection ruler is a ruler having an opening in a middle portion, scales are marked on an outer periphery of the opening, and a pointer is provided on the detection rod and is exposed to the opening.
3. The material property detection device according to claim 2, wherein the detection rod comprises a slide rod and a probe disposed at one end of the slide rod close to the charging barrel, the slide rod is provided with a connecting rod, the pointer is disposed at one end of the connecting rod far from the slide rod, and the connecting rod can slide in the opening.
4. The material property detection device according to claim 3, wherein an end of the slide bar close to the probe is provided with an internal thread, an end of the probe close to the slide bar is provided with an external thread, and the slide bar and the probe are connected through a thread.
5. The material property detection apparatus according to claim 3, wherein an end of the probe facing away from the slide bar is needle-shaped or tapered.
6. The material property detection device according to claim 3, wherein the pressing block is a weight, an internal thread is provided at one end of the sliding rod away from the probe, an external thread is provided at one end of the weight, and the sliding rod is in threaded connection with the weight.
7. The material property detection device according to any one of claims 3 to 6, wherein the body comprises a bottom plate and a connecting plate connected with the bottom plate, the charging barrel is arranged on the bottom plate, one end of the connecting plate, which is far away from the bottom plate, is provided with two support plates which are arranged at intervals up and down, the two support plates are provided with sliding openings at opposite positions, the detection rod penetrates through the two sliding openings, and the scale is arranged at one end of the support plate, which is far away from the connecting plate.
8. The material property detection device of claim 7, wherein the bottom plate and the connecting plate are both cast iron plates, and the charging barrel is a stainless steel barrel.
9. A material property detection method using the material property detection apparatus according to any one of claims 3 to 8, comprising the steps of:
taking out a material to be detected from a stirrer and pressing the material into a charging barrel;
placing the charging barrel and the material to be detected on the machine body, placing a pressing block on the sliding rod, and contacting the probe with the upper surface of the material to be detected in the charging barrel;
thirdly, allowing the detection rod to fall under the action of the gravity of the detection rod and the pressing block, and inserting the probe into the material to be detected;
recording the scale value of the pointer pointing to the scale;
taking out the material to be detected in the material barrel, putting the material to be detected in the next batch, and repeating the second step to the fourth step;
and step six, if the difference value between the scale values measured twice is less than or equal to a preset threshold value, determining that the properties of the two batches of materials are the same.
10. The method for detecting the material property according to claim 9, wherein the third step is preceded by the steps of:
and seventhly, observing whether the pointer is at the zero position of the scale, and if the pointer is not at the zero position, correcting the pointer.
CN202110680681.0A 2021-06-18 2021-06-18 Material performance detection device and method Pending CN113866031A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110680681.0A CN113866031A (en) 2021-06-18 2021-06-18 Material performance detection device and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110680681.0A CN113866031A (en) 2021-06-18 2021-06-18 Material performance detection device and method

Publications (1)

Publication Number Publication Date
CN113866031A true CN113866031A (en) 2021-12-31

Family

ID=78989918

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110680681.0A Pending CN113866031A (en) 2021-06-18 2021-06-18 Material performance detection device and method

Country Status (1)

Country Link
CN (1) CN113866031A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117907132A (en) * 2024-03-15 2024-04-19 湖南格莱特精密机械有限公司 Part quality detection device for mechanical engineering

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4332158A (en) * 1980-05-09 1982-06-01 Osborne Howard S Slump testing device
CN107607423A (en) * 2017-08-31 2018-01-19 四川南格尔生物科技有限公司 A kind of soft materials and parts rigidity detection device and detection method
CN109556994A (en) * 2018-12-03 2019-04-02 佛山科学技术学院 A kind of device of novel measurement cement mortar mobility
CN209764871U (en) * 2019-03-21 2019-12-10 潘娅红 Concrete slump section of thick bamboo with adjustable height
CN110865180A (en) * 2019-12-20 2020-03-06 东南大学 Method and device for testing workability of pervious concrete
CN212646395U (en) * 2020-07-25 2021-03-02 杭州瑞鼎建材有限公司 Cement consistency condensation tester
CN212932299U (en) * 2020-08-24 2021-04-09 重庆市渝北区宏远公路工程质量检测有限责任公司 Cement consistency measuring instrument
CN112798768A (en) * 2021-02-02 2021-05-14 上海市城市建设设计研究总院(集团)有限公司 Self-compacting high-strength concrete bleeding and segregation degree tester and use method thereof

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4332158A (en) * 1980-05-09 1982-06-01 Osborne Howard S Slump testing device
CN107607423A (en) * 2017-08-31 2018-01-19 四川南格尔生物科技有限公司 A kind of soft materials and parts rigidity detection device and detection method
CN109556994A (en) * 2018-12-03 2019-04-02 佛山科学技术学院 A kind of device of novel measurement cement mortar mobility
CN209764871U (en) * 2019-03-21 2019-12-10 潘娅红 Concrete slump section of thick bamboo with adjustable height
CN110865180A (en) * 2019-12-20 2020-03-06 东南大学 Method and device for testing workability of pervious concrete
CN212646395U (en) * 2020-07-25 2021-03-02 杭州瑞鼎建材有限公司 Cement consistency condensation tester
CN212932299U (en) * 2020-08-24 2021-04-09 重庆市渝北区宏远公路工程质量检测有限责任公司 Cement consistency measuring instrument
CN112798768A (en) * 2021-02-02 2021-05-14 上海市城市建设设计研究总院(集团)有限公司 Self-compacting high-strength concrete bleeding and segregation degree tester and use method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117907132A (en) * 2024-03-15 2024-04-19 湖南格莱特精密机械有限公司 Part quality detection device for mechanical engineering

Similar Documents

Publication Publication Date Title
CN113866031A (en) Material performance detection device and method
CN109883845A (en) A kind of five gold bullion quality detection devices
CN108680409B (en) Sample preparation device applied to fine grained soil to control compaction degree
RU2453840C2 (en) METHOD OF DETERMINING PLASTIC LIMIT (Wp) OF CLAY SOIL BY COMPACTION AND DEVICE TO THIS END
CN103884645B (en) A kind of method for testing gas content in coating
CN206057295U (en) A kind of assay device for testing stabilized with inorganic binder material test specimen contraction distortion
CN209961634U (en) Fabric rapid-curing cutback capability test device
CN109883862B (en) Yarn ball hardness measuring instrument and measuring method thereof
KR20180082750A (en) Plastic limit measuring device
CN108548478B (en) Method for quantifying surface smoothness of capsules
CN211735334U (en) Intelligent miniature T-shaped sounding instrument
CN214271983U (en) Backfill detector
CN210923106U (en) Simple kitchen equipment horizontal testing device
CN209069753U (en) A kind of side-discharging model assay systems
CN110132679A (en) A kind of sample preparing device for soil test
CN213121385U (en) Tension tester
CN213903256U (en) Permeameter for detecting quality of building engineering
CN220419071U (en) Medical equipment plug hardness testing device
CN212458587U (en) Pressure-bearing cotton unit weight device
CN211374317U (en) Sample clamp for measuring mechanical property of metal plate by indentation method
CN216181577U (en) Centrifuge leveling device for manufacturing cement electric pole
KR20010065126A (en) Method and said device of interface friction characteristics for the mixture between soils and fibers
CN213481935U (en) Fabric elastic recovery testing arrangement
CN220120003U (en) Profiling measuring tool
CN211504988U (en) Nano press-in test fixture for section of filamentous material

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination