CN116538986A - Thickness measuring instrument - Google Patents
Thickness measuring instrument Download PDFInfo
- Publication number
- CN116538986A CN116538986A CN202310702956.5A CN202310702956A CN116538986A CN 116538986 A CN116538986 A CN 116538986A CN 202310702956 A CN202310702956 A CN 202310702956A CN 116538986 A CN116538986 A CN 116538986A
- Authority
- CN
- China
- Prior art keywords
- pressure head
- detection pressure
- guide
- connecting frame
- thickness
- 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
Links
- 238000001514 detection method Methods 0.000 claims abstract description 88
- 238000006073 displacement reaction Methods 0.000 claims abstract description 30
- 238000005259 measurement Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 abstract description 7
- 101100328887 Caenorhabditis elegans col-34 gene Proteins 0.000 description 2
- RRLHMJHRFMHVNM-BQVXCWBNSA-N [(2s,3r,6r)-6-[5-[5-hydroxy-3-(4-hydroxyphenyl)-4-oxochromen-7-yl]oxypentoxy]-2-methyl-3,6-dihydro-2h-pyran-3-yl] acetate Chemical compound C1=C[C@@H](OC(C)=O)[C@H](C)O[C@H]1OCCCCCOC1=CC(O)=C2C(=O)C(C=3C=CC(O)=CC=3)=COC2=C1 RRLHMJHRFMHVNM-BQVXCWBNSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/08—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a thickness measuring instrument which comprises an equipment frame (1), a lower detection rod adjusting frame (2), a storage platform (3) with a hole in the middle, a lower detection pressure head (4), an upper detection pressure head (5), a displacement sensor (6), a guide mechanism (7), a counterweight mechanism (8), a display control system (9) and a loading weight (10), wherein the lower detection rod adjusting frame is arranged on the equipment frame (1). The thickness measuring instrument can randomly measure the thickness of a plurality of points at the middle part of the protective equipment, and has the advantages of small volume, low cost, convenient transportation, safety and reliability; the thickness measuring instrument has strong universality, can measure the thickness of protective equipment made of various soft and hard materials, has reliable measuring results and can realize real-time reading.
Description
Technical Field
The invention relates to the technical field of measuring equipment, in particular to a thickness measuring instrument.
Background
In the public safety field, the existing protective equipment such as stab-resistant clothing, bullet-proof clothing and the like has the problems of heavy weight, thick thickness, hardness, poor wearing comfort and the like, and the existing public safety industry standard has no thickness technical index requirement, and the field also lacks suitable test equipment capable of measuring the thickness of the protective equipment. At present, measuring tools in the market such as vernier calipers, micrometer, altimeter and other linear dimension measuring tools cannot be used for measuring the thickness of protective equipment with bending radian, large length and width dimension and small thickness dimension due to the limitation of bayonet dimensions.
Disclosure of Invention
In view of the shortcomings of the prior art, the present invention is directed to a thickness gauge.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a thickness measuring instrument comprises an equipment frame, a lower detection rod adjusting frame, a material placing platform, a lower detection pressure head, an upper detection pressure head, a displacement sensor, a guide mechanism, a counterweight mechanism, a display control system and a loading weight, wherein the lower detection rod adjusting frame, the material placing platform, the lower detection pressure head, the upper detection pressure head, the displacement sensor, the guide mechanism, the counterweight mechanism, the display control system and the loading weight are arranged on the equipment frame;
the lower detection rod adjusting frame comprises an adjusting rod, a nut and a fastening nut, wherein the adjusting rod is provided with external threads, the object placing platform is provided with an internal threaded hole, the upper end of the adjusting rod penetrates through the internal threaded hole of the object placing platform and is provided with the lower detection pressure head, and the adjusting rod is in threaded fit with the internal threaded hole; the nut and the fastening nut are used for fixing the adjusting rod on the object placing platform;
the guide mechanism comprises a guide sliding rail, a guide table, an operation handle, a connecting frame and a fixing rod; the upper end of the guide sliding rail is fixedly connected to the top of the equipment frame; the guide table is fixed on the connecting frame, and the guide sliding rail downwards passes through the central hole of the guide table to be sleeved with the guide table; the upper end of the fixed rod passes through the connecting frame and is fixedly connected with the connecting frame, and the upper detection pressure head is fixedly connected with the lower end of the fixed rod; the displacement sensor is arranged on the connecting frame and is in communication connection with the display control system; the loading weight is placed at the top of the connecting frame, and the upper end of the fixing rod penetrates through the loading weight;
the counterweight mechanism comprises a counterweight block, a guide shaft, a traction rope and a guide wheel, wherein the guide wheel and the guide shaft are fixedly arranged at the upper end part of the equipment frame, the counterweight block is detachably arranged on the guide shaft, one end of the traction rope is fixedly connected to the upper end of the fixed rod, and the other end of the traction rope penetrates through the guide wheel to be connected with the counterweight block; the operating handle transversely penetrates through the connecting frame and the guide table from one side of the connecting frame in sequence and abuts against the guide sliding rail; the operating handle is in threaded fit with the connecting frame.
Further, the upper detection pressure head and the lower detection pressure head are coaxial and aligned in position, and the bottom of the upper detection pressure head and the top of the lower detection pressure head are respectively provided with a convex pressure head with a corresponding position.
Further, the pressure head is a cylindrical boss, and the diameter of the cylindrical boss ranges from 5mm to 10mm.
Further, the displacement sensor adopts a magnetic grating ruler displacement sensor, a grating ruler displacement sensor or a ball grating ruler displacement sensor.
Further, the number of the guide wheels is not less than 2.
Further, a plug is arranged at the lower end part of the guide sliding rail, and the outer diameter of the plug is larger than the aperture of the central hole of the guide table.
Further, the height dimension of the central hole of the guide table is not smaller than 20mm.
Further, a U-shaped groove is formed in the middle of the loading weight, and the upper end of the fixing rod penetrates through the loading weight from the U-shaped groove.
The invention also provides a working method of the thickness measuring instrument, which comprises the following specific processes:
s1, when the device is not used, the loading weight and the balancing weight are taken down, the nut and the fastening nut are unscrewed, the adjusting rod is rotated to enable the adjusting rod to move downwards, and accordingly the lower detection pressure head is driven to descend until the upper surface of the lower detection pressure head is not higher than the object placing platform, and the nut and the fastening nut are unscrewed again;
s2, before the measurement work, clamping the balancing weight on the guide shaft, rotating the operation handle to separate the balancing weight from the guide sliding rail, moving the movable connecting frame along the guide sliding rail at the moment to enable the upper detection pressure head to be in a suspended state and still for 10 seconds until the upper detection pressure head can keep hovering, and then reversely rotating the operation handle to enable the upper detection pressure head to be abutted against the guide sliding rail again, so that the position of the upper detection pressure head is fixed; then, the adjusting rod is moved upwards, so that the lower detection pressure head is driven to extend upwards, the upper surface of the lower detection pressure head is higher than the object placing platform, whether the upper detection pressure head and the lower detection pressure head are aligned or not is checked, and zero setting is carried out on the displacement sensor;
s3, placing a standard height block between the upper detection pressure head and the lower detection pressure head, and moving the upper detection pressure head to enable the lower surface of the upper detection pressure head to be in contact with the upper surface of the standard height block; adding a loading weight on the connecting frame, obtaining a thickness value according to the measured value of the displacement sensor by the display control system, outputting the thickness value to the display screen, and checking whether the thickness value displayed on the display screen is accurate or not;
s4, when the measurement is carried out, the object to be measured is placed on the object placing platform, and all the objects are determined to be located in the test area;
s5, the upper surface of the lower detection pressure head contacts the lower surface of the measured object; adjusting the position of the upper detection pressure head until the lower surface of the upper detection pressure head contacts with the upper surface of the measured object, and stopping for not less than 2 seconds; the display control system obtains the thickness value of the point position according to the measured value of the displacement sensor and outputs the thickness value to the display screen;
and 5, repeating the step, namely randomly selecting at least 3 points of the measured object to measure by adjusting the position of the measured object, reading from a display screen of a display control system, and respectively recording thickness values at the points.
The invention has the beneficial effects that: the thickness measuring instrument can randomly measure the thickness of a plurality of points at the middle part of the protective equipment, and has the advantages of small volume, low cost, convenient transportation, safety and reliability; the thickness measuring instrument has strong universality, can measure the thickness of protective equipment made of various soft and hard materials, has reliable measuring results and can realize real-time reading.
Drawings
FIG. 1 is a schematic diagram of a front structure of a thickness gauge according to an embodiment of the present invention;
fig. 2 is a schematic partial top view of an embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, and it should be noted that, while the present embodiment provides a detailed implementation and a specific operation process on the premise of the present technical solution, the protection scope of the present invention is not limited to the present embodiment.
Example 1
The embodiment provides a thickness measuring instrument, which comprises an equipment frame 1, a lower detection rod adjusting frame 2, a storage platform 3, a lower detection pressure head 4, an upper detection pressure head 5, a displacement sensor 6, a guide mechanism 7, a counterweight mechanism 8, a display control system 9 and a loading weight 10, wherein the lower detection rod adjusting frame 2, the storage platform 3, the lower detection pressure head 4, the upper detection pressure head 5, the displacement sensor 6, the guide mechanism 7, the counterweight mechanism 8 and the loading weight 10 are arranged on the equipment frame 1 as shown in figures 1-2;
the lower detection rod adjusting frame 2 comprises an adjusting rod 21, a nut 22 and a fastening nut 23, the adjusting rod 21 is provided with external threads, the object placing platform 3 is provided with an internal thread hole, the upper end of the adjusting rod 21 penetrates through the internal thread hole of the object placing platform 3 and is provided with the lower detection pressure head 4, and the adjusting rod 21 is in threaded fit with the internal thread hole; the nut 22 and the fastening nut 23 are used for fixing the adjusting rod 21 on the object placing platform 3;
the guide mechanism 7 comprises a guide slide rail 71, a guide table 72, an operation handle 73, a connecting frame 74, a plug 75 and a fixing rod 76; the upper end of the guide sliding rail 71 is fixedly connected to the top of the equipment frame 1; the guide table 72 is fixed on the connecting frame 74, and the guide sliding rail 71 downwards passes through the central hole of the guide table 72 to be sleeved with the central hole; the upper end of the fixed rod 76 passes through the connecting frame 74 and is fixedly connected with the connecting frame, and the upper detection pressure head 5 is fixedly connected with the lower end of the fixed rod 76; the displacement sensor 6 is arranged on the connecting frame 74 and is in communication connection with the display control system 9; the loading weight 10 is placed on the top of the connecting frame 74, and the upper end of the fixing rod 76 passes through the loading weight 10; the counterweight mechanism 8 comprises a counterweight 81, a guide shaft 82, a traction rope 83 and a guide wheel 84, wherein the guide wheel 84 and the guide shaft 82 are fixedly arranged at the upper end part of the equipment frame 1, the counterweight 81 is detachably arranged on the guide shaft 82, one end of the traction rope 83 is fixedly connected to the upper end of the fixed rod 76, and the other end of the traction rope 83 passes through the guide wheel 84 to be connected to the counterweight 81; the operation handle 73 transversely penetrates through the connecting frame 74 and the guide table 72 from one side of the connecting frame 74 in sequence and abuts against the guide sliding rail 71; the operating handle 73 is screw-fitted to the connecting frame 74.
In this embodiment, the upper detecting ram 5 and the lower detecting ram 4 are coaxial and aligned, and the bottom of the upper detecting ram 5 and the top of the lower detecting ram 4 are respectively provided with a protruding ram with corresponding positions. Specifically, the pressure head is a cylindrical boss, and the diameter of the cylindrical boss ranges from 5mm to 10mm.
In this embodiment, the displacement sensor 6 is a magnetic scale displacement sensor, a grating scale displacement sensor or a ball scale displacement sensor.
In this embodiment, the number of the guide wheels 84 is not less than 2.
In this embodiment, a plug 75 is disposed at the lower end of the guide rail 71, and the outer diameter of the plug 75 is larger than the aperture of the central hole of the guide table 72. The plug 75 is used for limiting the position of the connecting frame 74.
In this embodiment, the height dimension of the center hole of the guide table 72 is not less than 20mm.
In this embodiment, a U-shaped groove is formed in the middle of the loading weight 10, and the upper end of the fixing rod 76 passes through the loading weight 10 from the U-shaped groove.
Example 2
The embodiment provides a working method of the thickness measuring instrument described in embodiment 1, which specifically includes the following steps:
s1, when not in use, the loading weight 10 and the balancing weight 81 are taken down, the nut 22 and the fastening nut 23 are unscrewed, the adjusting rod 21 is rotated to move downwards, the lower detection pressure head 4 is driven to descend until the upper surface of the lower detection pressure head 4 is not higher than the object placing platform 3, and the nut 22 and the fastening nut 23 are screwed again;
s2, before the measurement work is carried out, clamping a balancing weight 81 on the guide shaft 82, rotating an operation handle 73 to separate the balancing weight from the guide slide rail 71, moving a connecting frame along the guide slide rail 71 at the moment to enable the upper detection pressure head 5 to be in a suspended state and to be stationary for 10 seconds until the upper detection pressure head 5 can be kept hovering, and then reversely rotating the operation handle 73 to enable the upper detection pressure head 5 to be abutted against the guide slide rail 71 again, so that the position of the upper detection pressure head 5 is fixed; then the adjusting rod 21 is moved upwards, so that the lower detection pressure head 4 is driven to extend upwards, the upper surface of the lower detection pressure head 4 is higher than the object placing platform 3, whether the upper detection pressure head and the lower detection pressure head are aligned or not is checked, and zero setting is carried out on the displacement sensor;
s3, a standard height block is placed between the upper detection pressure head 5 and the lower detection pressure head 4, and the upper detection pressure head 5 is moved to enable the lower surface of the upper detection pressure head to be in contact with the upper surface of the standard height block; adding a loading weight 10 on the connecting frame, obtaining a thickness value according to the measured value of the displacement sensor by the display control system 9, outputting the thickness value to the display screen, and checking whether the thickness value displayed on the display screen is accurate or not;
the loading weight 10 is used for counteracting stress bending generated by the object to be measured, so that the object to be measured is completely compacted and accurately measured.
S4, when the measurement is carried out, the object 11 to be measured is placed on the object placing platform 3, and all the objects are determined to be positioned in the test area;
s5, the upper surface of the lower detection pressure head 4 is contacted with the lower surface of the measured object 11; adjusting the position of the upper detection pressure head 5 until the lower surface of the upper detection pressure head 5 contacts with the upper surface of the detected object 11, and stopping for not less than 2 seconds; the display control system 9 obtains the thickness value of the point position according to the measured value of the displacement sensor and outputs the thickness value to the display screen;
and repeating the step S5, randomly selecting not less than 3 points of the measured object 11 for measurement by adjusting the position of the measured object 11, reading from a display screen of the display control system 9, and respectively recording thickness values at the points.
Various modifications and variations of the present invention will be apparent to those skilled in the art in light of the foregoing teachings and are intended to be included within the scope of the following claims.
Claims (9)
1. The thickness measuring instrument is characterized by comprising an equipment frame (1), a lower detection rod adjusting frame (2), a storage platform (3), a lower detection pressure head (4), an upper detection pressure head (5), a displacement sensor (6), a guide mechanism (7), a counterweight mechanism (8), a display control system (9) and a loading weight (10), wherein the lower detection rod adjusting frame is arranged on the equipment frame (1);
the lower detection rod adjusting frame (2) comprises an adjusting rod (21), a nut (22) and a fastening nut (23), the adjusting rod (21) is provided with external threads, the object placing platform (3) is provided with an internal thread hole, the upper end of the adjusting rod (21) penetrates through the internal thread hole of the object placing platform (3) and is provided with the lower detection pressure head (4), and the adjusting rod (21) is in threaded fit with the internal thread hole; the nut (22) and the fastening nut (23) are used for fixing the adjusting rod (21) on the object placing platform (3);
the guide mechanism (7) comprises a guide sliding rail (71), a guide table (72), an operation handle (73), a connecting frame (74) and a fixed rod (76); the upper end of the guide sliding rail (71) is fixedly connected to the top of the equipment frame (1); the guide table (72) is fixed on the connecting frame (74), and the guide sliding rail (71) downwards passes through the central hole of the guide table (72) to be sleeved with the guide table; the upper end of the fixed rod (76) passes through the connecting frame (74) and is fixedly connected with the connecting frame, and the upper detection pressure head (5) is fixedly connected with the lower end of the fixed rod (76); the displacement sensor (6) is arranged on the connecting frame (74) and is in communication connection with the display control system (9); the loading weight (10) is placed on the top of the connecting frame (74), and the upper end of the fixing rod (76) penetrates through the loading weight (10);
the counterweight mechanism (8) comprises a counterweight block (81), a guide shaft (82), a traction rope (83) and a guide wheel (84), wherein the guide wheel (84) and the guide shaft (82) are fixedly arranged at the upper end part of the equipment frame (1), the counterweight block (81) is detachably arranged on the guide shaft (82), one end of the traction rope (83) is fixedly connected to the upper end of the fixed rod (76), and the other end of the traction rope passes through the guide wheel (84) to be connected to the counterweight block (81); the operation handle (73) transversely penetrates through the connecting frame (74) and the guide table (72) from one side of the connecting frame (74) in sequence and abuts against the guide sliding rail (71); the operating handle (73) is in threaded fit with the connecting frame (74).
2. Thickness gauge according to claim 1, characterized in that the upper detection ram (5) and the lower detection ram (4) are coaxial and aligned in position, the bottom of the upper detection ram (5) and the top of the lower detection ram (4) being provided with protruding rams, respectively, in correspondence of position.
3. The thickness gauge according to claim 2, wherein the ram is a cylindrical boss having a diameter in the range of 5mm to 10mm.
4. Thickness gauge according to claim 1, characterized in that the displacement sensor (6) is a magnetic grating ruler displacement sensor, a grating ruler displacement sensor or a ball grating ruler displacement sensor.
5. Thickness gauge according to claim 1, characterized in that the number of guide wheels (84) is not less than 2.
6. Thickness gauge according to claim 1, characterized in that a plug (75) is provided at the lower end of the guide rail (71), the outer diameter of the plug (75) being larger than the central hole diameter of the guide table (72).
7. Thickness gauge according to claim 1, characterized in that the height dimension of the central hole of the guiding table (72) is not less than 20mm.
8. Thickness gauge according to claim 1, characterized in that the loading weight (10) is provided with a U-shaped groove in the middle, from which the upper end of the fixing rod (76) passes through the loading weight (10).
9. A method of operating a thickness gauge according to any one of claims 1-8, characterized by the specific process of:
s1, when the device is not used, the loading weight (10) and the balancing weight (81) are taken down, the nut (22) and the fastening nut (23) are unscrewed, the adjusting rod (21) is rotated to enable the adjusting rod to move downwards, and accordingly the lower detection pressure head (4) is driven to descend until the upper surface of the lower detection pressure head (4) is not higher than the object placing platform (3), and the nut (22) and the fastening nut (23) are screwed down again;
s2, before measuring, clamping a balancing weight (81) on the guide shaft (82), rotating an operation handle (73) to separate the balancing weight from the guide sliding rail (71), moving a movable connecting frame along the guide sliding rail (71) at the moment to enable the upper detection pressure head (5) to be in a suspended state and still for 10 seconds until the upper detection pressure head (5) can be kept hovering, and then reversely rotating the operation handle (73) to enable the upper detection pressure head (5) to be abutted against the guide sliding rail (71) again, so that the position of the upper detection pressure head (5) is fixed; then, the adjusting rod (21) is moved upwards, so that the lower detection pressure head (4) is driven to extend upwards, the upper surface of the lower detection pressure head (4) is higher than the object placing platform (3), whether the upper detection pressure head and the lower detection pressure head are aligned or not is checked, and zero setting is carried out on the displacement sensor;
s3, a standard height block is placed between the upper detection pressure head (5) and the lower detection pressure head (4), and the upper detection pressure head (5) is moved to enable the lower surface of the upper detection pressure head to be in contact with the upper surface of the standard height block; adding a loading weight (10) on the connecting frame, obtaining a thickness value according to the measured value of the displacement sensor by a display control system (9) and outputting the thickness value to a display screen, and checking whether the thickness value displayed on the display screen is accurate or not;
s4, when measurement is carried out, placing the object (11) to be measured on the object placing platform (3), and determining that all the object is positioned in the test area;
s5, the upper surface of the lower detection pressure head (4) is contacted with the lower surface of the detected object (11); adjusting the position of the upper detection pressure head (5) until the lower surface of the upper detection pressure head (5) is in contact with the upper surface of the detected object (11), and stopping for not less than 2 seconds; the display control system (9) obtains the thickness value of the point position according to the measured value of the displacement sensor and outputs the thickness value to the display screen;
and S5, randomly selecting at least 3 points of the measured object (11) to measure by adjusting the position of the measured object (11), reading from a display screen of the display control system (9), and respectively recording thickness values at the points.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310702956.5A CN116538986A (en) | 2023-06-14 | 2023-06-14 | Thickness measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310702956.5A CN116538986A (en) | 2023-06-14 | 2023-06-14 | Thickness measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116538986A true CN116538986A (en) | 2023-08-04 |
Family
ID=87448933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310702956.5A Pending CN116538986A (en) | 2023-06-14 | 2023-06-14 | Thickness measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116538986A (en) |
-
2023
- 2023-06-14 CN CN202310702956.5A patent/CN116538986A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110108249B (en) | Measuring tool and measuring method for measuring position and deformation of outer contour of transformer | |
| US3934463A (en) | Hardness tester | |
| CN202153125U (en) | Detection apparatus for tiny step surface | |
| CN102494595A (en) | Coaxiality detection apparatus | |
| CN108731575B (en) | Device for measuring size of tensile sample with circular section | |
| CN206160911U (en) | Measurement device for be used for part centre bore degree of depth | |
| CN220136312U (en) | Thickness measuring instrument | |
| CN105865306A (en) | High-precision conical hole test tool | |
| CN212340125U (en) | Thickness gauge capable of measuring thickness values of automobile parts under different pressures | |
| CN116538986A (en) | Thickness measuring instrument | |
| CN111121600A (en) | Detection tool for detecting diameter of auxiliary screw nut raceway of ball screw for automobile | |
| CN102506661A (en) | Diameter measuring mechanism for inner-bore slot | |
| CN206573032U (en) | Engine bearing lid integrates special gauge | |
| CN110500936B (en) | Size detection device and detection method thereof | |
| CN114993192A (en) | Equipment for automatically measuring thickness in lithium battery industry | |
| CN209131681U (en) | Many bolts straightness detection frock that hangs down | |
| CN210465154U (en) | Low-pressure consolidometer capable of improving measurement precision | |
| CN109724497B (en) | Method for online detecting radius value of inner sphere | |
| CN210089611U (en) | Flatness out-of-tolerance continuous measuring device | |
| CN209416301U (en) | A kind of aluminium alloy wheel hub detection device | |
| CN103047914B (en) | Device and method for measuring position of bearing seal groove | |
| CN114526663A (en) | Straightness detection tool, detection method and detection method | |
| CN216694747U (en) | Height detection gauge | |
| CN212778993U (en) | Special detection tool for shell | |
| CN221765116U (en) | Compression-resistant detection device for construction engineering |
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 |