CN203586973U - Pen-type digital display alignment dial indicator - Google Patents
Pen-type digital display alignment dial indicator Download PDFInfo
- Publication number
- CN203586973U CN203586973U CN201320801490.6U CN201320801490U CN203586973U CN 203586973 U CN203586973 U CN 203586973U CN 201320801490 U CN201320801490 U CN 201320801490U CN 203586973 U CN203586973 U CN 203586973U
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- sounding rod
- main grid
- digital display
- watchcase
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 29
- 230000001105 regulatory effect Effects 0.000 claims description 24
- 238000012545 processing Methods 0.000 claims description 7
- 230000004888 barrier function Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 7
- 230000033001 locomotion Effects 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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Abstract
The utility model discloses a pen-type digital display alignment dial indicator. The pen-type digital display alignment dial indicator comprises a measuring rod; a main gate fixing plate coaxial with the measuring rod is arranged inside the measuring rod; the left end of the main gate fixing plate is connected with a barrier block through a front adjusting spring; the right end surface of the measuring rod is provided with a measuring rod end cover; the right end of the main gate fixing plate is connected with the measuring rod end cover through a back adjusting spring; the pen-type digital display alignment dial indicator further comprises a case; the right end of the case is provided with a case end cover; the outer diameter surface of the measuring rod is provided with a protrusion; the left side surface of the case end cover is connected with the protrusion through a force measuring spring; the surface of the main gate fixing plate is provided with a main gate; the main gate is provided with a zero graduation line; positive graduation lines are distributed at the left side of the zero graduation line; negative graduation lines are distributed at the right side of the zero graduation line; a small window is formed at a side wall of the case; and a capacitive bar displacement sensor and a digital display device are arranged at the small window. When the pen-type digital display alignment dial indicator is used, the data of the digital display device can be zeroed in mechanical and electronic modes, and when the digital display device works, data are clear and intuitive.
Description
Technical field
The utility model relates to the pen type digital display centering dial gauge in flight-line maintenance field.
Background technology
In the maintenance job of nuclear power station rotary machine, usually can run into the centering of the rotating machinerys such as some pumps, blower fan, centering is the key in whole maintenance.Accuracy of alignment is to affect equipment operation and serviceability key index.High to workman's technical requirement with laser alignment instrument centering, also cannot popularize; Use existing dial gauge centering, indivedual equipment, because operating space is narrow and small, cannot use by whole circle, makes the reduction of accuracy of alignment first mate degree, thereby affect accuracy of alignment, affects equipment performance.In use procedure, be all often usually that pointer is alignd with dial plate zero graduation line, and the pointer of little table can not align with dial scale line, in centering process, all note observing the reading of dial plate and pointer, often ignore the numerical value change on little dial plate.When the pointer of dial plate turns around and gets back near dial plate spirit scale mark; the pointer reality of little dial plate has been rotated a scale; at this moment reading people tends to think that pointer and dial plate zero graduation line change not quite, just thinks that numerical value is at 0. more than zero millimeter, also in centering numerical range; And actual conditions are scales of hand motion of little dial plate, according to the dial gauge of different ranges, when the pointer of dial plate has turned around and got back near dial plate zero graduation line, whole numerical value has had the variation of 0.5 millimeter to 1 millimeter; Easily, because of the design limit of instrument, in use procedure, affect the precision of whole equipment centering, reduce repair quality.
Utility model content
The purpose of this utility model is to provide a kind of pen type digital display centering dial gauge, the simple dial gauge of a kind of dedicated operations, while realizing centering, there is obviously positive negative value reading, can machinery and two kinds of methods of electronics dial gauge that device for digit-displaying data are made zero, volume is little, can be for the centering of small space equipment.
The purpose of this utility model is achieved through the following technical solutions: pen type digital display centering dial gauge, comprise sounding rod, sounding rod is hollow lever, sounding rod inside is provided with the main grid fixed head coaxial with sounding rod, sounding rod inside is provided with block, the left end of main grid fixed head is connected with block by front regulating spring, sounding rod right side is provided with sounding rod end cap, the right-hand member of main grid fixed head is connected with sounding rod end cap by rear regulating spring, also comprise the adjuster bar that runs through sounding rod end cap, one end that adjuster bar extends into sounding rod inside is connected with the right-hand member of main grid fixed head, also comprise watchcase, sounding rod runs through watchcase, sounding rod is coaxial with watchcase, watchcase right-hand member is provided with watchcase end cap, the outer diametric plane of sounding rod is provided with projection, the left surface of watchcase end cap is connected with projection by dynamometer spring, main grid fixed head surface is provided with main grid, main grid is provided with zero graduation line, zero graduation line left side is positive scale, zero graduation line right side is negative scale, case side wall has wicket, wicket place is provided with capacitive displacement transducer and device for digit-displaying, and capacitive displacement transducer is connected with device for digit-displaying by data processing circuit.
Design concept of the present utility model is: by main grid fixed head surface, be provided with main grid, main grid is provided with zero graduation line, and zero graduation line left side is positive scale, and zero graduation line right side is negative scale, and formation can be read the dial gauge of positive and negative scale numerical value; After arranging like this, it is distinct with traditional dial gauge that table of corrections makes zero table, therefore the utility model adopts following structure to realize deal with return to zero: the left end of main grid fixed head is connected with block by front regulating spring, sounding rod right side is provided with sounding rod end cap, the right-hand member of main grid fixed head is connected with sounding rod end cap by rear regulating spring, also comprise the adjuster bar that runs through sounding rod end cap, one end that adjuster bar extends into sounding rod inside is connected with the right-hand member of main grid fixed head.By driving adjuster bar, main grid fixed head is alignd with the scale on watchcase, and under effect due to rear regulating spring and front regulating spring, main grid fixed head can keep relative static relation with main grid fixed head, such as: when adjuster bar drives main grid fixed head to move to the left, under the effect of pullling of rear regulating spring and front regulating spring sounding rod also along with together be moved to the left, under the restriction of dynamometer spring, can play the operation of limit excessive alignment.(in whole measuring system, the Main Function of capacitor grid transducer is the phase changing capacity that mechanical displacement is transformed into electric signal, then gives data processing circuit and carries out data processing to adopt capacitive displacement transducer.) realize displacement measurement, displacement measurement comprises main grid and secondary grid two parts, secondary grid are capacitive displacement transducer.General main grid (zero graduation line is divided into positive and negative two parts by main grid) is isometric with main grid fixed head, and main grid is arranged on main grid fixed head; Capacitive displacement transducer is fixed on watchcase.When having relative displacement to produce between main grid and capacitive displacement transducer, this displacement will be converted to digital quantity, by device for digit-displaying (liquid crystal display), shows, and we just can read the positive negative value of measured length intuitively, also can make zero by electronic type numerical value.
Sounding rod left end is connected with gauge head.
Gauge head is threaded connection sounding rod.Gauge head can be changed according to abrasion condition.Sounding rod outer wall is provided with chute, and chute is provided with stop pin, and stop pin is between sounding rod and watchcase.Stop pin can guarantee sliding axially of sounding rod, prevents sounding rod rotation, damages inner spring section.
Watchcase end cap is bolted on the right side of watchcase.
In order to increase range.The length of main grid fixed head and main grid equal in length.
Adjuster bar is flexibly connected with the right-hand member of main grid fixed head by adjuster bar web member.
Adjuster bar is connected with away from one end of main grid fixed head the regulation cock that makes zero, and adjuster bar is threaded with sounding rod end cap.By the rotation regulation cock that makes zero, adjuster bar is rotated and drive the side-to-side movement of main grid fixed head, owing to there being the effect of rear regulating spring and front regulating spring, during the side-to-side movement of main grid fixed head, can keep relative static with sounding rod 2, when moving up and down, unlikely main grid fixed head can produce relative motion with sounding rod, zero graduation line on main grid aligns with the secondary grid of capacitive displacement transducer, thereby reaches the make zero object of scale of machinery.
Sounding rod external diameter is also provided with sounding rod key, and sounding rod key is positioned at the right side of watchcase end cap.Sounding rod key prevents from exceeding range, causes equipment to damage.Protection dial gauge equipment of itself.
The utility model has the advantage of: can machinery and two kinds of methods of electronics dial gauge that device for digit-displaying data are made zero during use, device for digit-displaying work hours are according to clear directly perceived, thereby any number can be manually set in centering process, meet centering comparison needs and can reach good centering by save data.
Accompanying drawing explanation
Fig. 1 is structural drawing of the present utility model.
Fig. 2 is the appearance assumption diagram of the utility model capacitive displacement transducer side.
Reference numeral in figure is expressed as: 1-gauge head; 2-sounding rod; 3-watchcase; 4-stop pin; 5-dynamometer spring; 6-bolt; 7-sounding rod key; The 8-regulation cock that makes zero; 9-adjuster bar; 10-sounding rod end cap; Regulating spring after 11-; 12-watchcase end cap; 13-adjuster bar web member; 14-zero graduation line; 15-main grid; 16-main grid fixed head; Regulating spring before 17-; 18-capacitive displacement transducer; 19-device for digit-displaying.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Embodiment 1:
As depicted in figs. 1 and 2.
Pen type digital display centering dial gauge, comprise sounding rod 2, sounding rod is hollow lever, sounding rod inside is provided with the main grid fixed head 16 coaxial with sounding rod, sounding rod inside is provided with block, the left end of main grid fixed head 16 is connected with block by front regulating spring 17, sounding rod right side is provided with sounding rod end cap 10, the right-hand member of main grid fixed head 16 is connected with sounding rod end cap 10 by rear regulating spring 11, also comprise the adjuster bar 9 that runs through sounding rod end cap 10, one end that adjuster bar 9 extends into sounding rod inside is connected with the right-hand member of main grid fixed head 16, also comprise watchcase 3, sounding rod runs through watchcase 3, sounding rod is coaxial with watchcase 3, watchcase 3 right-hand members are provided with watchcase end cap 12, the outer diametric plane of sounding rod is provided with projection, the left surface of watchcase end cap 12 is connected with projection by dynamometer spring, main grid fixed head 16 surfaces are provided with main grid, main grid is provided with zero graduation line 14, zero graduation line 14 left sides are positive scale, zero graduation line 14 right sides are negative scale, watchcase 3 sidewalls have wicket, wicket place is provided with capacitive displacement transducer 18 and device for digit-displaying 19, and capacitive displacement transducer 18 is connected with device for digit-displaying 19 by data processing circuit.
Design concept of the present utility model is: by main grid fixed head 16 surfaces, be provided with main grid, main grid is provided with zero graduation line 14, and zero graduation line 14 left sides are positive scale, and zero graduation line 14 right sides are negative scale, and formation can be read the dial gauge of positive and negative scale numerical value; After arranging like this, it is distinct with traditional dial gauge that table of corrections makes zero table, therefore the utility model adopts following structure to realize deal with return to zero: the left end of main grid fixed head 16 is connected with block by front regulating spring 17, sounding rod right side is provided with sounding rod end cap 10, the right-hand member of main grid fixed head 16 is connected with sounding rod end cap 10 by rear regulating spring 11, also comprise the adjuster bar 9 that runs through sounding rod end cap 10, one end that adjuster bar 9 extends into sounding rod inside is connected with the right-hand member of main grid fixed head 16.By driving adjuster bar 9, main grid fixed head 16 is alignd with the scale on watchcase 3, and under effect due to rear regulating spring 11 and front regulating spring 17, main grid fixed head 16 can keep relative static relation with main grid fixed head 16, such as: when adjuster bar 9 drives main grid fixed head 16 to move to the left, under the effect of pullling of rear regulating spring 11 and front regulating spring 17 sounding rod also along with together be moved to the left, under the restriction of dynamometer spring, can play the operation of limit excessive alignment.Adopt capacitive displacement transducer 18(in whole measuring system, the Main Function of capacitor grid transducer is the phase changing capacity that mechanical displacement is transformed into electric signal, then gives data processing circuit and carries out data processing.) realize displacement measurement, displacement measurement comprises main grid 15 and secondary grid two parts, secondary grid are capacitive displacement transducer 18.Zero graduation line 14 on main grid 15(main grid plate is divided into positive and negative two parts by main grid 15) isometric with main grid fixed head 16, main grid 15 is arranged on main grid fixed head 16; Capacitive displacement transducer 18 is fixed on watchcase 3.When having relative displacement to produce between main grid 15 and capacitive displacement transducer 18, this displacement electric signal will be converted to digital quantity, by the liquid crystal display of device for digit-displaying 19(device for digit-displaying) show, we just can read the positive negative value of measured length intuitively, also can make zero by electronic type numerical value.
Sounding rod 2 left ends are connected with gauge head 1.Gauge head forms gauge head 1 by hemisphere part and bolt part and is threaded connection sounding rod 2.Gauge head 1 can be changed according to abrasion condition.
Sounding rod 2 outer walls are provided with chute, and chute is provided with stop pin 4, and stop pin 4 is between sounding rod 2 and watchcase.Stop pin 4 can guarantee sliding axially of sounding rod 2, prevents that sounding rod 2 from rotating, and damages inner spring section.
Watchcase end cap is fixed on the right side of watchcase by bolt 6.
In order to increase range.The length of main grid fixed head and main grid equal in length.
Adjuster bar is flexibly connected with the right-hand member of main grid fixed head 16 by adjuster bar web member, and main grid fixed head 16 can only axially-movable, cannot radial rotating.
Adjuster bar is connected with away from one end of main grid fixed head 16 regulation cock 8 that makes zero, and adjuster bar is threaded with sounding rod end cap.By the rotation regulation cock 8 that makes zero, adjuster bar 9 is rotated and drive 16 side-to-side movements of main grid fixed head, owing to there being the effect of the front regulating spring 17 of rear regulating spring 11, during 16 side-to-side movement of main grid fixed head, can keep relative static with sounding rod 2, when moving up and down, unlikely main grid fixed head 16 can produce relative motion with sounding rod 2, zero graduation line 14 on main grid 15 aligns with the secondary grid of capacitive displacement transducer 18, thereby reaches the make zero object of scale of machinery.
Sounding rod external diameter is also provided with sounding rod key 7, and sounding rod key 7 is positioned at the right side of watchcase end cap.Sounding rod key 7 prevents from exceeding range, causes equipment to damage.
The utility model operation steps is as follows.
The first step: first check the tightness of gauge head and sounding rod, installation method is the same with other dial gauge, is arranged on and leans against on wheel centering instrument, opens device for digit-displaying switch;
Second step: whether the data of checking device for digit-displaying make zero, no can making zero by mechanical means or electronic method;
The 3rd step: check the dirigibility of sounding rod activity of digital display centimeter, not bite phenomenon how, checks whether digital display centimeter has positive negative data, and hand unclamps data and whether all makes zero at every turn;
The 4th step: rotation leaned against wheel one week time, checks whether whether fixation and range exceed this table range, otherwise reinstalls;
The 5th step: other side is the same with other dial gauge preserves.
The present embodiment advantage is as follows.
1. maintenance personal's technical requirement of pair use is not high;
2. can machinery while using and two kinds of methods of electronics device for digit-displaying data are made zero and manually any number are set;
3. can measure quickly and evenly centering workplace, data are clear directly perceived;
4. volume is little, and quality is light, is convenient for carrying;
5. simple to operate, convenient, safety coefficient is high, the centering demand of applicable distinct device;
Can solve the problem of read untrue in centering process.
As mentioned above, can well realize the utility model.
Claims (9)
1. pen type digital display centering dial gauge, it is characterized in that: comprise sounding rod (2), sounding rod is hollow lever, sounding rod inside is provided with the main grid fixed head (16) coaxial with sounding rod, sounding rod inside is provided with block, the left end of main grid fixed head (16) is connected with block by front regulating spring (17), sounding rod right side is provided with sounding rod end cap (10), the right-hand member of main grid fixed head (16) is connected with sounding rod end cap (10) by rear regulating spring (11), also comprise the adjuster bar (9) that runs through sounding rod end cap (10), one end that adjuster bar (9) extends into sounding rod inside is connected with the right-hand member of main grid fixed head (16), also comprise watchcase (3), sounding rod runs through watchcase (3), sounding rod is coaxial with watchcase (3), watchcase (3) right-hand member is provided with watchcase end cap (12), the outer diametric plane of sounding rod is provided with projection, the left surface of watchcase end cap (12) is connected with projection by dynamometer spring, main grid fixed head (16) surface is provided with main grid, on main grid (15), be provided with zero graduation line (14), zero graduation line (14) left side is positive scale, zero graduation line (14) right side is negative scale, watchcase (3) sidewall has wicket, wicket place is provided with capacitive displacement transducer (18) and device for digit-displaying (19), and capacitive displacement transducer (18) is connected with device for digit-displaying (19) by data processing circuit.
2. pen type digital display centering dial gauge according to claim 1, is characterized in that: sounding rod (2) left end is connected with gauge head (1).
3. pen type digital display centering dial gauge according to claim 2, is characterized in that: gauge head (1) is threaded connection sounding rod (2).
4. pen type digital display centering dial gauge according to claim 1, is characterized in that: sounding rod (2) outer wall is provided with chute, and chute is provided with stop pin (4), and stop pin (4) is positioned between sounding rod (2) and watchcase.
5. pen type digital display centering dial gauge according to claim 1, is characterized in that: watchcase end cap is fixed on the right side of watchcase by bolt (6).
6. pen type digital display centering dial gauge according to claim 1, is characterized in that: the length of main grid fixed head and main grid equal in length.
7. pen type digital display centering dial gauge according to claim 1, is characterized in that: adjuster bar is flexibly connected with the right-hand member of main grid fixed head (16) by adjuster bar web member.
8. pen type digital display centering dial gauge according to claim 1, is characterized in that: adjuster bar is connected with the regulation cock that makes zero (8) away from one end of main grid fixed head (16), and adjuster bar is threaded with sounding rod end cap.
9. according to the pen type digital display centering dial gauge described in any one in claim 1-8, it is characterized in that: sounding rod external diameter is also provided with sounding rod key (7), sounding rod key (7) is positioned at the right side of watchcase end cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320801490.6U CN203586973U (en) | 2013-12-09 | 2013-12-09 | Pen-type digital display alignment dial indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320801490.6U CN203586973U (en) | 2013-12-09 | 2013-12-09 | Pen-type digital display alignment dial indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203586973U true CN203586973U (en) | 2014-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320801490.6U Expired - Lifetime CN203586973U (en) | 2013-12-09 | 2013-12-09 | Pen-type digital display alignment dial indicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203586973U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202988A (en) * | 2015-10-03 | 2015-12-30 | 李志勇 | Gauge with reading memory function and technology thereof |
| CN107063062A (en) * | 2017-04-12 | 2017-08-18 | 霍州煤电集团有限责任公司 | A kind of mining tunnel deformation monitoring equipment |
| CN107621210A (en) * | 2017-09-28 | 2018-01-23 | 德清量丰电子科技有限公司 | Digit display dial gauge |
| CN114459307A (en) * | 2022-02-23 | 2022-05-10 | 桂林广陆数字测控有限公司 | Digital display dial gauge |
-
2013
- 2013-12-09 CN CN201320801490.6U patent/CN203586973U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202988A (en) * | 2015-10-03 | 2015-12-30 | 李志勇 | Gauge with reading memory function and technology thereof |
| CN107063062A (en) * | 2017-04-12 | 2017-08-18 | 霍州煤电集团有限责任公司 | A kind of mining tunnel deformation monitoring equipment |
| CN107621210A (en) * | 2017-09-28 | 2018-01-23 | 德清量丰电子科技有限公司 | Digit display dial gauge |
| CN114459307A (en) * | 2022-02-23 | 2022-05-10 | 桂林广陆数字测控有限公司 | Digital display dial gauge |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140507 |