CN111537335B - Single-space universal testing machine - Google Patents
Single-space universal testing machine Download PDFInfo
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- CN111537335B CN111537335B CN202010331831.2A CN202010331831A CN111537335B CN 111537335 B CN111537335 B CN 111537335B CN 202010331831 A CN202010331831 A CN 202010331831A CN 111537335 B CN111537335 B CN 111537335B
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- sensor
- fixed
- jaw
- testing machine
- weighing
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- 238000012360 testing method Methods 0.000 title claims abstract description 62
- 238000005303 weighing Methods 0.000 claims abstract description 34
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 5
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 5
- 241001330002 Bambuseae Species 0.000 claims description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 5
- 239000011425 bamboo Substances 0.000 claims description 5
- 230000003028 elevating effect Effects 0.000 claims description 4
- 239000002184 metal Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 238000009864 tensile test Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910000677 High-carbon steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012669 compression test Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
-
- 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
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- Immunology (AREA)
- Health & Medical Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Mechanical Engineering (AREA)
- Remote Sensing (AREA)
- Radar, Positioning & Navigation (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a single-space universal testing machine, which is technically characterized in that: including test machine body, fixed jaw and removal jaw, install measuring device between fixed jaw and the removal jaw, measuring device includes positioner and range sensor, install the encoder between crossbeam and the back timber, positioner sets up on fixed jaw, laser centering sensor sets up on moving jaw admittedly, positioner includes fixing base, weighing sensor, weighing dish and support frame, the fixing base is installed on fixed jaw, weighing sensor installs on the fixing base, weighing dish sets up in weighing sensor upside, the support frame is fixed on weighing dish, fixed jaw inner wall and removal jaw inner wall respectively with the upper edge and the lower edge of positioner and range sensor keep the parallel and level. According to the invention, the weighing sensor and the laser centering sensor are used for directly positioning the accurate jaw spacing and measuring the theoretical deviation of the test bar.
Description
Technical Field
The invention relates to a single-space universal testing machine.
Background
The single-space universal testing machine is suitable for tensile tests of metal bars and plates, screw-thread steel tensile tests, steel strand tensile tests, tensile tests of high-strength and high-hardness metal materials, and compression tests of metals and concrete. In the test process of the metal bar, the distance between the upper jaw and the lower jaw needs to be changed by ascending or descending the operation cross beam, so that the metal bar is installed, clamping of the jaws is operated, and specific test operation is performed. In addition, in the actual test, the metal bars can be changed in the production, transportation, cutting and other processes, theoretical deviation between the unit length and the unit weight of the metal bars in theory can be generated, and in order to ensure the accuracy of the test, the measurement and calculation of the theoretical deviation value of the metal bars are an indispensable part of the test.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a single-space universal testing machine.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The utility model provides a single space universal testing machine, includes testing machine body and test rod, and the testing machine body includes bottom plate, guide pillar and back timber, install crossbeam, elevating gear, pressure sensor, fixed jaw and removal jaw on the testing machine body, elevating gear's lower extreme is fixed on the bottom plate, and the upper end is connected with the crossbeam, and the crossbeam cooperation cover of sliding is established on the guide pillar, and pressure sensor fixes on the bottom plate, and two opposite jaws are fixed respectively in crossbeam downside and pressure sensor upside, install measuring device between fixed jaw and the removal jaw, measuring device includes positioner and range sensor, positioner and range sensor set up respectively at fixed jaw and removal jaw, the fixing of test rod is on positioner, and the other end extends towards range sensor direction, install the encoder between crossbeam and the back timber.
Preferably, the inner walls of the fixed jaw and the movable jaw are respectively kept flush with the upper edge and the lower edge of the positioning device and the ranging sensor.
Through the technical scheme, the positioning device and the distance measuring sensor are arranged between the fixed jaw and the movable jaw, and the positioning device and the distance measuring sensor are flush with the inner wall of the hydraulic jaw, so that the distance between the positioning device and the distance measuring sensor, which can be measured in the test operation process, is the required mounting height of the test bar, the encoder records the required mounting height and the original test height, and the height is the 0 scale position in the test, so that the mounting and measuring results of the test bar are more accurate.
Preferably, the positioning device is arranged on the fixed jaw, the ranging sensor is fixedly arranged on the movable jaw, the positioning device comprises a fixed seat, a weighing sensor, a weighing disc and a plurality of supporting frames, the fixed seat is arranged on the fixed jaw, the weighing sensor is arranged on the fixed seat, the weighing disc is arranged on the upper side of the weighing sensor, and the supporting frames are fixed on the weighing disc.
Through the technical scheme, the positioning device is arranged as the weighing sensor, and the test bar is fixed through the bearing disc and the supporting frame, so that the theoretical deviation value of the test bar can be measured, the measurement and the recording of the theoretical deviation value are realized, and the test result is more accurate.
Preferably, the support frame comprises a spring seat, a pressure spring, a sliding block and a limiting clamp, wherein the spring seat is fixed on the weighing disc, a spring cylinder is arranged on the spring seat, the pressure spring and the sliding block are arranged in the spring cylinder, and the limiting clamp is fixed on the sliding block.
Preferably, the support frames are circumferentially distributed on the weighing disc, one side of the limiting clamp, which is opposite to the sliding block, is arc-shaped, the limiting clamps jointly form a supporting groove for fixing the test bar, and the test bar is fixed in the supporting groove.
Preferably, the limiting groove is formed in the upper side of the spring seat, the limiting groove is communicated with the spring barrel, a limiting block is arranged at the position, corresponding to the limiting groove, of the sliding block, and the limiting block is matched with the limiting groove in a sliding mode.
Through above-mentioned technical scheme, the structure setting of support frame can be through the size of the supporting groove that is between a plurality of spring holder of compression adjustment of spring to satisfy the support of the test rod of equidimension needs.
Preferably, the distance measuring sensor is any one of a laser centering sensor and a magnetic sensor.
Preferably, the distance measuring sensor is a laser centering sensor.
Through the technical scheme, the laser centering sensor is selected as the ranging sensor, so that the measurement result can be more accurate.
Preferably, the lifting device comprises two symmetrically arranged hydraulic cylinders, the lower ends of the two hydraulic cylinders are fixed on the bottom plate, and the upper ends of the two hydraulic cylinders are fixed on the cross beam.
Through above-mentioned technical scheme, the hydraulic cylinder who adopts the setting on the bottom plate replaces original elevating gear who sets up at the top, changes single space testing machine commonly used hydro-cylinder overhead into hydro-cylinder overhead, greatly reduced the focus of equipment, and whole height is also greatly reduced.
Drawings
FIG. 1 is a schematic diagram of a single space universal tester of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a schematic structural view of the present invention.
Reference numerals: 1. a bottom plate; 2. a top beam; 3. a guide post; 4. a cross beam; 5. a hydraulic cylinder; 6. a pressure sensor; 7. a fixed jaw; 8. moving the jaw; 9. a laser centering sensor; 10. a fixing seat; 11. a weighing sensor; 12. weighing disc; 13. a support frame; 131. a spring seat; 132. a pressure spring; 133. a sliding block; 134. and a limiting clamp.
Detailed Description
A single space universal tester of the present invention is further illustrated by figures 1-3.
The single-space universal testing machine comprises a testing machine body, wherein the testing machine body comprises a bottom plate 1 and a top beam 2, guide posts 3 are arranged between the bottom plate 1 and the top beam 2, four guide posts 3 are optical axes of hard chrome plating on the surfaces of high-carbon steel, the four optical axes are respectively arranged at four corners of the bottom plate 1 and the top beam 2, a cross beam 4, a lifting device, a pressure sensor 6, a fixed jaw 7 and a movable jaw 8 are arranged on the testing machine body, the pressure sensor 6 adopts a double-flange pull-press bidirectional load sensor, the lifting device comprises two symmetrically arranged hydraulic cylinders 5, the lower ends of the two hydraulic cylinders 5 are fixed on the bottom plate 1, the upper ends of the two hydraulic cylinders are fixed on the cross beam 4, guide holes are formed in positions of the cross beam 4 corresponding to the four guide posts 3, the guide posts 3 are sleeved on the guide posts 3, the cross beam 4 is in sliding fit with the guide posts 3, the pressure sensor 6 is fixed on the bottom plate 1, two opposite jaws are respectively fixed on the lower side of the cross beam 4 and the upper side of the pressure sensor 6, a measuring device is arranged between the fixed jaw 7 and the movable jaw 8, the measuring device comprises a positioning device and a distance measuring sensor, the distance measuring sensor is a laser centering sensor 9, the positioning device and the distance measuring sensor are respectively arranged on the fixed jaw 7 and the movable jaw 8, the inner wall of the fixed jaw 7 and the inner wall of the movable jaw 8 are respectively kept flush with the upper edge and the lower edge of the positioning device and the distance measuring sensor, the positioning device is arranged on the fixed jaw 7, the distance measuring sensor is fixedly arranged on the movable jaw 8, the positioning device comprises a fixed seat 10, a weighing sensor 11, a weighing disc 12 and a plurality of supporting frames 13, the fixed seat 10 is arranged on the fixed jaw 7, the weighing sensor 11 is arranged on the fixed seat 10, the weighing disc 12 is arranged on the upper side of the weighing sensor 11, the support frame 13 is fixed on the weighing disc 12, the fixing of test bar is on positioner, and the other end extends towards range finding sensor direction, install encoder 14 between crossbeam 4 and the back timber 2, encoder 14 is pull-out type photoelectric encoder 14, load-bearing sensor, laser centering sensor 9 and pressure sensor 6 all connect on PLC, test bar prevents on support frame 13 in the test process, load-bearing sensor is with the weight of test bar, laser centering sensor 9 will be with the height transfer of test bar to PLC simultaneously, record and calculate the theoretical deviation value by PLC, and directly be used for in the measuring result in the follow-up tensile test, simultaneously, through setting for the position of laser centering sensor 9 and load-bearing disc bottom namely the adjustment of test bar's both ends position, can realize the installation position of analog test bar, the survey of test initial position, the height record of pull-out type photoelectric encoder 14 this moment, and record as "0" point when testing in the test.
The utility model provides a further set up, support frame 13 includes spring holder 131, pressure spring 132, slides the piece 133 and limit clamp 134, spring holder 131 is fixed on weighing tray 12, be provided with the spring section of thick bamboo on the spring holder 131, pressure spring 132 and slide the piece 133 and install in the spring section of thick bamboo, limit clamp 134 is fixed on slide piece 133, a plurality of support frame 13 circumference distributes on weighing tray 12, one side of limit clamp 134 back slide piece 133 is convex, and a plurality of limit clamp 134 constitutes the supporting groove of fixed test rod jointly, the test rod is fixed in the supporting groove, the limiting groove has been seted up to spring holder 131 upside, limiting groove and spring section of thick bamboo intercommunication, slide the position that piece 133 corresponds the limiting groove and be provided with the stopper, stopper and limiting groove cooperation of sliding.
In addition, the distance measuring sensor can also be a magnetic sensor.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (7)
1. The utility model provides a single space universal testing machine, includes testing machine body and test rod, and the testing machine body includes bottom plate and back timber, installs the guide pillar between bottom plate and the back timber, install crossbeam, elevating gear, pressure sensor, fixed jaw and removal jaw on the testing machine body, the crossbeam cooperation cover of sliding is established on the guide pillar, and pressure sensor fixes on the bottom plate, and two opposite jaws are fixed respectively in crossbeam downside and pressure sensor upside, its characterized in that: the measuring device comprises a positioning device and a ranging sensor, the positioning device and the ranging sensor are respectively arranged on the fixed jaw and the moving jaw, the inner walls of the fixed jaw and the moving jaw are respectively kept flush with the upper edge and the lower edge of the positioning device and the ranging sensor, the lifting device comprises two symmetrically arranged hydraulic cylinders, the lower ends of the two symmetrically arranged hydraulic cylinders are fixed on a bottom plate, the upper ends of the two symmetrically arranged hydraulic cylinders are fixed on a cross beam, the test bar is fixed on the positioning device, the other ends of the test bar extend towards the direction of the ranging sensor, and an encoder is arranged between the cross beam and a top beam.
2. A single space universal testing machine as claimed in claim 1, wherein: the positioning device is arranged on the fixed jaw, the ranging sensor is fixedly arranged on the movable jaw, the positioning device comprises a fixed seat, a weighing sensor, a weighing disc and a plurality of supporting frames, the fixed seat is arranged on the fixed jaw, the weighing sensor is arranged on the fixed seat, the weighing disc is arranged on the upper side of the weighing sensor, and the supporting frames are fixed on the weighing disc.
3. A single space universal testing machine as claimed in claim 2, wherein: the support frame includes spring holder, pressure spring, sliding block and spacing clamp, the spring holder is fixed on weighing tray, be provided with the spring section of thick bamboo on the spring holder, pressure spring and sliding block are installed in the spring section of thick bamboo, spacing clamp is fixed on sliding block.
4. A single space universal testing machine according to claim 3, wherein: the support frames are circumferentially distributed on the weighing disc, one side of the limiting clamp, which is opposite to the sliding block, is arc-shaped, the limiting clamps jointly form a supporting groove for fixing the test bar, and the test bar is fixed in the supporting groove.
5. The single space universal testing machine according to claim 4, wherein: the limiting groove is formed in the upper side of the spring seat, the limiting groove is communicated with the spring barrel, a limiting block is arranged at the position, corresponding to the limiting groove, of the sliding block, and the limiting block is matched with the limiting groove in a sliding mode.
6. A single space universal testing machine as claimed in claim 1, wherein: the distance measuring sensor is any one of a laser centering sensor and a magnetic sensor.
7. The single space universal testing machine of claim 6, wherein: the distance measuring sensor is a laser centering sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010331831.2A CN111537335B (en) | 2020-04-24 | 2020-04-24 | Single-space universal testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010331831.2A CN111537335B (en) | 2020-04-24 | 2020-04-24 | Single-space universal testing machine |
Publications (2)
| Publication Number | Publication Date |
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| CN111537335A CN111537335A (en) | 2020-08-14 |
| CN111537335B true CN111537335B (en) | 2024-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010331831.2A Active CN111537335B (en) | 2020-04-24 | 2020-04-24 | Single-space universal testing machine |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114323224B (en) * | 2020-09-29 | 2024-05-10 | 上海梅山钢铁股份有限公司 | Method for improving stability of automobile balance panel |
| CN112362465A (en) * | 2021-01-14 | 2021-02-12 | 南京研华智能科技有限公司 | Jaw device suitable for tensile testing machine |
| CN113188932A (en) * | 2021-05-11 | 2021-07-30 | 济南三勤测试技术有限公司 | Fatigue test system host |
| CN113188933A (en) * | 2021-05-11 | 2021-07-30 | 济南三勤测试技术有限公司 | Fatigue test system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212110892U (en) * | 2020-04-24 | 2020-12-08 | 绍兴市容纳测控技术有限公司 | Single-space universal testing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20110137847A (en) * | 2010-06-18 | 2011-12-26 | 현대중공업 주식회사 | Photovoltaic module strength measuring device using universal testing machine |
| JP2016205824A (en) * | 2015-04-15 | 2016-12-08 | 株式会社島津製作所 | Materials testing machine |
| CN109443925A (en) * | 2018-12-14 | 2019-03-08 | 南京玻璃纤维研究设计院有限公司 | A kind of test device of fibre single thread tensile modulus of elasticity |
| CN209690080U (en) * | 2019-03-13 | 2019-11-26 | 绍兴市容纳测控技术有限公司 | A kind of modified reinforcing steel bar bending tester |
| TWM591617U (en) * | 2019-10-29 | 2020-03-01 | 鴻寶興業有限公司 | Cold Shrink Film Detector |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN212110892U (en) * | 2020-04-24 | 2020-12-08 | 绍兴市容纳测控技术有限公司 | Single-space universal testing machine |
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