CN109341475B - Pitch ship tank bottom backing plate and enclose frame offset detection slide caliper rule - Google Patents
Pitch ship tank bottom backing plate and enclose frame offset detection slide caliper rule Download PDFInfo
- Publication number
- CN109341475B CN109341475B CN201811234614.0A CN201811234614A CN109341475B CN 109341475 B CN109341475 B CN 109341475B CN 201811234614 A CN201811234614 A CN 201811234614A CN 109341475 B CN109341475 B CN 109341475B
- Authority
- CN
- China
- Prior art keywords
- ruler
- sliding
- reference surface
- measuring column
- vertical
- 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.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention relates to the technical field of measuring instruments, and discloses a caliper for detecting the offset of a bottom base plate and an enclosing frame of a cargo tank of an asphalt ship, which comprises an L-shaped reference ruler, a sliding ruler and a circular measuring column, wherein the L-shaped reference ruler consists of a horizontal ruler and a vertical ruler which is connected to the front end of the horizontal ruler and arranged downwards; the horizontal ruler is provided with an upper reference surface and a lower reference surface, and the vertical ruler is provided with a vertical reference surface; the sliding ruler is arranged on the upper reference surface of the horizontal ruler in a sliding mode, and the sliding direction of the sliding ruler is perpendicular to the vertical reference surface; the front end part of the sliding ruler is upwards provided with the circular measuring column, and the central axis of the cylindrical surface of the circular measuring column is vertical to the upper reference surface; and a reading device for reading the relative sliding distance of the sliding ruler is arranged between the sliding ruler and the L-shaped reference ruler. The invention has the advantages of high measurement precision and efficiency, convenient operation and good universality.
Description
Technical Field
The invention relates to the technical field of measuring instruments, in particular to a caliper for detecting the offset of a bottom base plate and an enclosure frame of a cargo tank of an asphalt ship.
Background
The installation of independent cargo tank on the pitch ship is a very important work, and independent cargo tank installation is unreasonable, causes the cargo tank very easily to break and pitch reveals, and then brings huge economic loss for relevant enterprise, and is comparatively serious, can lead to the ship to scrap even. The support of the enclosure frame at the bottom of the independent cargo tank of the asphalt ship is used as a bearing body for the weight of the cargo tank of the asphalt ship, the position relation between the enclosure frame on the isolation empty cabin and a base plate at the bottom of the cargo tank is very critical, and the contact area of the cargo tank adjusting cushion block is determined.
In the prior art, the assembly and positioning of the enclosing frame for supporting the cargo tank are completed in a slipway stage, and the positioning of a base plate at the bottom of the cargo tank is completed in a subsection stage. The integral hoisting and positioning of the cargo tank is difficult to control, and errors exist, so that the position relation between a bottom base plate of the cargo tank and a supporting enclosing frame and the deviation of theoretical design have large changes, and the situations of deviation and dislocation occur. And the technical department considers that the cargo tank is heated and expanded after being loaded with asphalt during structural design, and each rib position has a data deviation value. On-site installation personnel need to detect whether the support structure meets the process deviation requirement by measuring the relative position relation. Through measuring the cargo tank bottom backing plate and enclosing frame offset data and analyzing, the position of the cargo tank bottom cushion block is properly adjusted, and therefore the effective contact area of the cargo tank bottom backing plate and the inner adjusting cushion block of the enclosing frame can be better guaranteed. In the cargo tank installation of 7500T asphalt ship, the total number of cargo tank cushion blocks is 364, wherein 56 cargo tank cushion blocks 170 and 1 cargo tank cushion blocks 194 are positioned from two sides to the reverse top position, and the offset between the periphery of the enclosure and the bottom cushion plate needs to be measured to determine whether the bottom cushion plate is within the design requirement range. In order to improve the measurement accuracy and efficiency, it is necessary to develop a detection device for measuring the offset between the bottom plate and the surrounding frame of the cargo tank.
Disclosure of Invention
In order to solve the problems, the invention provides a caliper for detecting the offset of a bottom base plate and an enclosing frame of a cargo tank of an asphalt ship, aiming at improving the measurement precision and the measurement efficiency, and the specific technical scheme is as follows:
a caliper for detecting the offset of a bottom base plate and an enclosing frame of a cargo tank of an asphalt ship comprises an L-shaped standard ruler, a sliding ruler and a circular measuring column, wherein the L-shaped standard ruler is composed of a horizontal ruler and a vertical ruler which is connected to the front end of the horizontal ruler and arranged downwards; the horizontal ruler is provided with an upper reference surface and a lower reference surface which are parallel to each other, the vertical ruler is provided with a vertical reference surface which is adjacent to the lower reference surface and forms a 90-degree right angle; the sliding ruler is arranged on the upper reference surface of the horizontal ruler in a sliding mode, and the sliding direction of the sliding ruler is perpendicular to the vertical reference surface; the front end part of the sliding ruler is upwards provided with the circular measuring column, and the central axis of the cylindrical surface of the circular measuring column is vertical to the upper reference surface; and a reading device for reading the relative sliding distance of the sliding ruler is arranged between the sliding ruler and the L-shaped reference ruler.
During measurement, a vertical reference surface on the L-shaped reference ruler is close to the inner side surface of the enclosure frame, then the sliding ruler above the L-shaped reference ruler is moved to the front end, the circular measuring column on the sliding ruler is enabled to lean against the outer circle of the bottom base plate of the cargo tank, and then the distance between the outer circle of the bottom base plate of the measured point and the inner side surface of the enclosure frame is read through the reading device; and measuring the opposite side (180-degree position) of the enclosure frame in the same way to obtain the distance between the excircle of the bottom base plate at the position point of the opposite side of the enclosure frame and the inner side surface of the enclosure frame, wherein half of the difference of the two measured distances is the offset of the bottom base plate and the enclosure frame in the direction.
Among the above-mentioned technical scheme, through setting up L type reference scale, slip chi, circular measuring column and reading device, realized the detection of cargo tank bottom backing plate with enclose frame offset to measured precision and measurement of efficiency have been improved.
As one preferable aspect of the present invention, a guide surface is provided on an upper reference surface of the L-shaped reference scale, and the sliding scale realizes directional sliding through the guide surface.
The arrangement of the guide rail surface on the L-shaped reference ruler improves the precision of the detection caliper.
As a second preferable aspect of the present invention, the sliding rule is provided with a through sliding groove, the upper reference surface of the L-shaped reference rule is provided with a screw hole, and the sliding rule is fixed to the L-shaped reference rule by a fastening screw which penetrates through the sliding groove and is connected to the screw hole.
Through set up the spout that runs through on the slide rule for can not interfere with fastening screw when the slide rule slides, consequently fastening screw need not to dismantle and can realize the fixed of slide rule and the removal after the slide rule loosens, has made things convenient for the operation.
As a third preferred aspect of the present invention, the reading device includes a scale mark line and a corresponding numerical mark, which are provided on the sliding scale for measuring the sliding distance of the sliding scale, and the L-shaped reference scale is provided with a zero-position scale line.
More preferably, the L-scale further comprises a cursor mounted on the horizontal ruler, and the zero graduation line is located on the cursor.
The scale mark line, the numerical value mark, the zero position scale line and the vernier are arranged on the detection caliper, so that on one hand, data reading is facilitated, and on the other hand, the data reading precision is improved.
As a fourth preferred aspect of the present invention, the sliding ruler is provided with a measuring column mounting hole, and the circular measuring column is detachably connected to the measuring column mounting hole.
Through the detachable design of the circular measuring column, the circular measuring column of various specifications is convenient to replace, so that the device can adapt to different measuring occasions, and the universality and the adaptability of the detection caliper are improved.
More preferably, the measuring column mounting hole comprises a guide hole and a threaded hole which are coaxially arranged, a section of guide column and a section of stud are coaxially arranged at the lower end of the circular measuring column, the guide column is matched and connected with the guide hole, and the stud is matched and connected with the threaded hole.
The circular measuring column is installed and connected by adopting the coaxial guide column and double-screw bolt combination, so that the positioning error caused by simple thread matching is eliminated, and the positioning precision of the circular measuring column on the sliding ruler is improved.
As a fifth preferred embodiment of the present invention, there are two measurement post mounting holes.
Through set up a plurality of measuring post mounting holes on the slide caliper, can further improve the commonality and the adaptability of detecting the slide caliper.
The vernier in the invention adopts a universal vernier in a vernier caliper so as to reduce the cost of the caliper.
The invention has the beneficial effects that:
firstly, the caliper for detecting the offset of the bottom base plate and the surrounding frame of the asphalt ship cargo tank realizes the detection of the offset of the bottom base plate and the surrounding frame of the cargo tank and improves the measurement precision and the measurement efficiency by arranging the L-shaped reference scale, the sliding scale, the circular measurement column and the reading device.
Secondly, according to the caliber rule for detecting the offset between the bottom base plate of the cargo tank and the enclosure frame of the asphalt ship, due to the arrangement of the guide rail surface on the L-shaped reference ruler, the precision of the caliper rule is improved.
Thirdly, according to the caliper for detecting the offset between the bottom base plate of the asphalt ship cargo tank and the enclosing frame, the sliding ruler is provided with the through sliding groove, so that the sliding ruler cannot interfere with the fastening screw when sliding, the fastening screw does not need to be detached, the sliding ruler can be fixed, the sliding ruler can move after being loosened, and the operation is convenient.
Fourthly, according to the pitch ship cargo tank bottom base plate and enclosure frame offset detection caliper, the scale mark lines, the numerical marks, the zero-position scribed lines and the vernier are arranged on the detection caliper, so that on one hand, data reading is facilitated, and on the other hand, the data reading precision is improved.
Fifthly, the caliper for detecting the offset of the bottom base plate and the surrounding frame of the cargo tank of the asphalt ship is convenient to replace circular measuring columns of various specifications through the detachable design of the circular measuring columns, so that the caliper can adapt to different measuring occasions, and the universality and the adaptability of the caliper are improved.
Sixth, according to the caliper for detecting the offset of the bottom base plate and the surrounding frame of the cargo tank of the asphalt ship, the circular measuring column is connected with the stud through the coaxial guide column, and the positioning accuracy of the circular measuring column on the sliding ruler is improved.
Seventh, according to the caliper for detecting the offset of the bottom base plate and the surrounding frame of the asphalt ship cargo tank, the circular measuring column is installed and connected by adopting double combinations of the coaxial guide column and the stud, so that the positioning error caused by pure thread fit is eliminated, and the positioning accuracy of the circular measuring column on the sliding ruler is improved.
Drawings
FIG. 1 is a schematic structural diagram of a caliper for detecting the offset between a bottom base plate and a surrounding frame of a cargo tank of an asphalt ship according to the present invention;
FIG. 2 is a schematic diagram of the measurement of the offset detection caliper of the bottom base plate and the enclosure of the cargo tank of the asphalt ship.
In the figure: 1. the device comprises an L-shaped reference ruler, 2, a sliding ruler, 3, a circular measuring column, 4, a horizontal ruler, 5, a vertical ruler, 6, a reading device, 7, a guide rail surface, 8, a sliding groove, 9, a fastening screw, 10, a scale mark line and a corresponding numerical mark, 11, a zero-position scale line, 12, a vernier, 13, a cargo tank, 14, a bottom base plate, 15 and a surrounding frame.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Fig. 1 to 2 show an embodiment of a caliper for detecting the offset between a bottom base plate 14 of a cargo tank of an asphalt ship and a surrounding frame 15, which comprises an L-shaped reference ruler 1, a sliding ruler 2 and a circular measuring column 3, wherein the L-shaped reference ruler 1 is composed of a horizontal ruler 4 and a vertical ruler 5 which is connected to the front end of the horizontal ruler 4 and is arranged downwards; the horizontal ruler 4 is provided with an upper reference surface and a lower reference surface which are parallel to each other, the vertical ruler 5 is provided with a vertical reference surface which is adjacent to the lower reference surface and forms a 90-degree right angle; the sliding ruler 2 is arranged on the upper reference surface of the horizontal ruler 4 in a sliding mode, and the sliding direction of the sliding ruler 2 is perpendicular to the vertical reference surface; the front end part of the sliding ruler 2 is upwards provided with the circular measuring column 3, and the central axis of the cylindrical surface of the circular measuring column 3 is vertical to the upper reference surface; a reading device 6 for reading the relative sliding distance of the sliding ruler 2 is arranged between the sliding ruler 2 and the L-shaped reference ruler 1.
During measurement, a vertical reference surface on the L-shaped reference ruler 1 is close to the inner side surface of the enclosure frame 15, then the sliding ruler 2 above the L-shaped reference ruler 1 is moved towards the front end, the circular measuring column 3 on the sliding ruler 2 is enabled to lean against the excircle of the bottom base plate 14 of the cargo tank, and then the distance between the excircle of the bottom base plate 14 of a measured point and the inner side surface of the enclosure frame 15 is read through the reading device 6; the same measurement is carried out on the opposite side (180-degree position) of the surrounding frame 15, the distance between the excircle of the bottom backing plate 14 and the inner side face of the surrounding frame 15 at the position point on the opposite side of the surrounding frame 15 is obtained, and half of the difference between the two measured distances is the offset of the bottom backing plate 14 and the surrounding frame 15 in the direction.
Among the above-mentioned technical scheme, through setting up L type reference rule 1, slide rule 2, circular measuring column 3 and reading device 6, realized the detection of cargo tank bottom backing plate 14 and enclosing frame 15 offset to measured precision and measurement of efficiency have been improved.
As a preferable scheme of this embodiment, a guide surface 7 is provided on the upper reference surface of the L-shaped reference scale 1, and the sliding scale 2 realizes directional sliding through the guide surface 7.
The arrangement of the guide rail surface 7 on the L-shaped reference ruler 1 improves the precision of the detection caliper.
As a second preferable mode of the present embodiment, a through sliding groove is formed in the sliding ruler 2, a screw hole is formed in the upper reference surface of the L-shaped reference ruler, and the sliding ruler 2 is fixed to the L-shaped reference ruler 1 by a fastening screw 9 which penetrates through the sliding groove 8 and is connected to the screw hole.
Through set up the spout 8 that runs through on sliding ruler 2 for sliding ruler 2 can not interfere with fastening screw 9 when sliding, consequently fastening screw 9 need not to dismantle and can realize sliding ruler 2's fixed and the removal after sliding ruler loosens, has made things convenient for the operation.
As a third preferable solution of the present embodiment, the reading device 6 includes a scale mark line and a corresponding numerical mark 10 which are arranged on the sliding scale 2 for measuring the sliding distance of the sliding scale 2, and the L-shaped reference scale 1 is provided with a zero-position scale line 11.
More preferably, the L-type scale 1 further comprises a cursor 12 mounted on the horizontal ruler 4, and the zero-position scale line 11 is located on the cursor 12.
By arranging the scale mark line, the numerical value mark, the zero position scale line 11 and the vernier 12 on the detection caliper, on one hand, the reading of data is facilitated, and on the other hand, the data reading precision is improved.
As a fourth preferred embodiment of the present invention, the sliding ruler 2 is provided with a measuring column mounting hole, and the circular measuring column 3 is detachably connected to the measuring column mounting hole.
Through the detachable design of the circular measuring column 3, the replacement of the circular measuring column 3 with various specifications is facilitated, so that the device can adapt to different measuring occasions, and the universality and the adaptability of the detection caliper are improved.
More preferably, the measuring column mounting hole comprises a guide hole and a threaded hole which are coaxially arranged, the lower end of the circular measuring column 3 is coaxially provided with a section of guide column and a section of stud, the guide column is matched and connected with the guide hole, and the stud is matched and connected with the threaded hole.
The circular measuring column 3 is installed and connected by adopting a double combination of a coaxial guide column and a stud, so that the positioning error caused by simple thread matching is eliminated, and the positioning precision of the circular measuring column 3 on the sliding ruler 2 is improved.
As a fifth preferred embodiment of the present invention, there are two measuring column mounting holes.
Through set up a plurality of measuring post mounting holes on slide rule 2, can further improve the commonality and the adaptability of detecting the slide caliper rule.
The vernier 12 in this embodiment is a general vernier in a vernier caliper to reduce the cost of the caliper.
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 technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. A caliper for detecting the offset of a bottom base plate and an enclosing frame of a cargo tank of an asphalt ship is characterized by comprising an L-shaped reference ruler, a sliding ruler and a circular measuring column, wherein the L-shaped reference ruler is composed of a horizontal ruler and a vertical ruler which is connected to the front end of the horizontal ruler and arranged downwards; the horizontal ruler is provided with an upper reference surface and a lower reference surface which are parallel to each other, the vertical ruler is provided with a vertical reference surface facing the rear end direction of the horizontal ruler, and the vertical reference surface is adjacent to the lower reference surface and forms a 90-degree right angle; the sliding ruler is arranged on the upper reference surface of the horizontal ruler in a sliding mode, and the sliding direction of the sliding ruler is perpendicular to the vertical reference surface; the front end part of the sliding ruler is upwards provided with the circular measuring column, and the central axis of the cylindrical surface of the circular measuring column is vertical to the upper reference surface; a reading device for reading the relative sliding distance of the sliding ruler is arranged between the sliding ruler and the L-shaped reference ruler; the sliding ruler is provided with a measuring column mounting hole, the measuring column mounting hole comprises a guide hole and a threaded hole which are coaxially arranged, the lower end of the circular measuring column is coaxially provided with a section of guide column and a section of stud, the guide column is matched and connected with the guide hole, and the stud is matched and connected with the threaded hole; the circular measuring column is detachably connected to the measuring column mounting hole so as to facilitate the replacement of circular measuring columns of various specifications; the number of the measuring column mounting holes is two; the L-shaped reference ruler is provided with two fixed positioning reference surfaces during measurement, and the two positioning reference surfaces are respectively a lower reference surface of the horizontal ruler and an upright reference surface of the upright ruler facing the rear end direction of the horizontal ruler; when in measurement, the round measuring column is used for contacting the measured point to carry out measurement.
2. The caliper for detecting the offset of the bottom base plate and the surrounding frame of the cargo tank of the asphalt ship according to claim 1, wherein a guide surface is arranged on the upper reference surface of the L-shaped reference ruler, and the sliding ruler realizes directional sliding through the guide surface.
3. The asphalt ship cargo tank bottom base plate and enclosing frame offset detection caliper according to claim 1, characterized in that a through sliding groove is formed on the sliding ruler, a screw hole is formed on the upper reference surface of the L-shaped reference ruler, and the sliding ruler is fixed on the L-shaped reference ruler through a fastening screw which penetrates into the sliding groove and is connected with the screw hole.
4. The asphalt carrier cargo tank bottom base plate and bounding box offset detection caliper rule according to claim 1, characterized in that, the reading device comprises a scale mark line and a corresponding numerical value mark which are arranged on the sliding ruler and used for measuring the sliding distance of the sliding ruler, and the L-shaped reference ruler is provided with a zero-position scale line.
5. The asphalt ship cargo tank bottom base plate and bounding box offset detection caliper of claim 4, wherein said L-shaped reference gauge further comprises a vernier mounted on a horizontal ruler, said zero-position score line being located on said vernier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811234614.0A CN109341475B (en) | 2018-10-23 | 2018-10-23 | Pitch ship tank bottom backing plate and enclose frame offset detection slide caliper rule |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811234614.0A CN109341475B (en) | 2018-10-23 | 2018-10-23 | Pitch ship tank bottom backing plate and enclose frame offset detection slide caliper rule |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109341475A CN109341475A (en) | 2019-02-15 |
| CN109341475B true CN109341475B (en) | 2020-12-29 |
Family
ID=65311677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811234614.0A Active CN109341475B (en) | 2018-10-23 | 2018-10-23 | Pitch ship tank bottom backing plate and enclose frame offset detection slide caliper rule |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109341475B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114413733B (en) * | 2022-01-28 | 2024-04-23 | 中钢集团西安重机有限公司 | Measuring method of sector section foundation frame |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2610465A1 (en) * | 1975-03-14 | 1976-09-30 | Mitutoyo Mfg Co Ltd | ALTITUDE |
| DE2744161A1 (en) * | 1977-09-30 | 1979-04-05 | Josef Schneider | Stationary measuring rod for determining heights of people - has slide on rod, with measuring arm on it which can be folded towards rod body |
| CN201242420Y (en) * | 2008-08-01 | 2009-05-20 | 比亚迪股份有限公司 | Surface difference clearance ruler |
| CN204007457U (en) * | 2014-07-29 | 2014-12-10 | 杜永进 | Novel take turns to framework gap digital display surveying instrument |
| CN206609372U (en) * | 2017-03-31 | 2017-11-03 | 四川师范大学 | A kind of three-dimensional chi mechanism applied to sculpture table |
| CN207335588U (en) * | 2017-11-04 | 2018-05-08 | 安徽省建筑工程质量监督检测站 | A kind of construction engineering quality detection device |
| CN207703126U (en) * | 2018-01-09 | 2018-08-07 | 河北惠众汽车传动轴制造有限公司 | A kind of transmission shaft detection centering scale |
-
2018
- 2018-10-23 CN CN201811234614.0A patent/CN109341475B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2610465A1 (en) * | 1975-03-14 | 1976-09-30 | Mitutoyo Mfg Co Ltd | ALTITUDE |
| DE2744161A1 (en) * | 1977-09-30 | 1979-04-05 | Josef Schneider | Stationary measuring rod for determining heights of people - has slide on rod, with measuring arm on it which can be folded towards rod body |
| CN201242420Y (en) * | 2008-08-01 | 2009-05-20 | 比亚迪股份有限公司 | Surface difference clearance ruler |
| CN204007457U (en) * | 2014-07-29 | 2014-12-10 | 杜永进 | Novel take turns to framework gap digital display surveying instrument |
| CN206609372U (en) * | 2017-03-31 | 2017-11-03 | 四川师范大学 | A kind of three-dimensional chi mechanism applied to sculpture table |
| CN207335588U (en) * | 2017-11-04 | 2018-05-08 | 安徽省建筑工程质量监督检测站 | A kind of construction engineering quality detection device |
| CN207703126U (en) * | 2018-01-09 | 2018-08-07 | 河北惠众汽车传动轴制造有限公司 | A kind of transmission shaft detection centering scale |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109341475A (en) | 2019-02-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110296641B (en) | Vernier caliper for measuring pitch of holes | |
| CN202350698U (en) | Hole position degree deviation measuring device | |
| CN108153234B (en) | Full-freedom degree precision detection device for linear motion running state of machine tool | |
| CN203964890U (en) | Can system for automatic marker making and measure polar mechanism | |
| CN109341475B (en) | Pitch ship tank bottom backing plate and enclose frame offset detection slide caliper rule | |
| CN101915562A (en) | Calibrating device for tilt angle sensor | |
| CN213422015U (en) | Measuring device for horizontal deviation of building shock insulation rubber support | |
| CN201772848U (en) | Precision measuring tool used for detecting installation precision of drive worm bar and rack of machine tool | |
| CN200975876Y (en) | Positioning error experiment measuring apparatus | |
| CN209326540U (en) | A kind of hole-distance detecting device of linear guide | |
| CN202329454U (en) | High-precision measuring device for thread plug gauge based on length measuring instrument | |
| CN102322785B (en) | Method and device for measuring angle of flange | |
| CN204154202U (en) | A kind of Multifunctional check tool | |
| CN109307470A (en) | Multifunctional vertical degree linearity testing apparatus | |
| CN202126235U (en) | Device for measuring angle of flange | |
| CN104048573A (en) | Precise micrometer measuring tool used for large precision equipment alignment and measuring method thereof | |
| CN110108527B (en) | Positioning structure special for gauge length instrument | |
| CN203837607U (en) | Vernier caliper for detecting section dimension | |
| CN213021489U (en) | Universal mechanism for detecting straight line jump | |
| CN105423996A (en) | Ship shafting quadrant angle measuring level gauge | |
| CN204649141U (en) | Direct-type profile of tooth angle deviation check device | |
| CN205002752U (en) | Big bent axle axial dimensions's measuring measuring tool | |
| CN220198252U (en) | Tire module structure with scale adjustment | |
| CN216954348U (en) | Detection device for measuring half oblique angle of piston trapezoidal groove | |
| CN201188022Y (en) | Test equipment for accurate floating ball type liquid-level meter |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |