CN204202610U - A kind of drift indicator - Google Patents

A kind of drift indicator Download PDF

Info

Publication number
CN204202610U
CN204202610U CN201420424974.8U CN201420424974U CN204202610U CN 204202610 U CN204202610 U CN 204202610U CN 201420424974 U CN201420424974 U CN 201420424974U CN 204202610 U CN204202610 U CN 204202610U
Authority
CN
China
Prior art keywords
base
plate
shell
ruler
pipe
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.)
Expired - Fee Related
Application number
CN201420424974.8U
Other languages
Chinese (zh)
Inventor
苏何先
杨梦虹
严航
侯斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kunming University of Science and Technology
Original Assignee
Kunming University of Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kunming University of Science and Technology filed Critical Kunming University of Science and Technology
Priority to CN201420424974.8U priority Critical patent/CN204202610U/en
Application granted granted Critical
Publication of CN204202610U publication Critical patent/CN204202610U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

The utility model relates to a kind of drift indicator, belongs to angle displacement measurement equipment technical field.The utility model comprises cantilever induction mechanism, shell, base, connection governor motion, Digit Display Angle Ruler; Wherein the semi-girder upper end of cantilever induction mechanism is vertically fixed on the center of sheath top plate lower surface, and shell is connected with base by connecting governor motion, and is supported on base, and Digit Display Angle Ruler is attached between shell and base.The utility model cantilever induction mechanism can sensitive and sense that measurand produces accurately dynamically or static angular change, being aided with conventional reading strain instrument just can realize the survey of dynamic static angle displace and read; Connect governor motion and effectively can solve the impact of initial tilt on apparatus measures range; Connect governor motion and Digit Display Angle Ruler with the use of the angle displacement measurement that can realize under the self calibration of instrument and off-position, ensure that the accuracy of apparatus measures, extend service condition and the scope of application of instrument simultaneously.

Description

A kind of drift indicator
Technical field
The utility model relates to a kind of drift indicator, belongs to angle displacement measurement equipment technical field.
Background technology
Angular displacement generally adopts inclinator to measure, and during measurement by inclinator attachment structurally, take line of gravity as the angular displacement with reference to surveying read/write architecture generation.
Structural test take experimental technique as means, measures the relevant parameters of energy reflect structure or component real work performance, for the load-bearing capacity and safety margin judging structure provides important foundation.Angular displacement as an important measurement parameter in structural test, its reflection be the overall work situation of structure, conventional inclinator has level tube-type deflection gage and resistance-strain type inclinator, and level tube-type deflection gage is only applicable to the measurement of static angle displace; Resistance-strain type inclinator is general also only to be measured for static angle displace, and it only could use in the energized state, and this will have an impact to its scope of application, in addition, if measuring object exists initial tilt will reduce instrument range.The domestic and international Test And Research Work carried out for structural seismic performance aspect is more at present, especially the slow test for component or Seismic Behavior is more, in antidetonation slow test, the real-time angular displacement of component or node becomes very important measurement parameter, and the inclinator that can carry out dynamic angle displacement measurement becomes the indispensable testing tool of shock test.The function of existing conventional drift indicator is not all well positioned to meet the measurement requirement of shock test, based on this, devises this drift indicator.
Summary of the invention
The utility model provides a kind of drift indicator, for solution for level tube-type deflection gage in angle displacement measurement cannot carry out dynamic angle displacement measure and service condition to resistance-strain type inclinator scope of application restricted problem.
The technical solution of the utility model is: a kind of drift indicator, comprises cantilever induction mechanism, shell, base, connection governor motion, Digit Display Angle Ruler 27; Wherein semi-girder 1 upper end of cantilever induction mechanism is vertically fixed on the center of sheath top plate 5 lower surface, and shell is connected with base by connecting governor motion, and is supported on base, and Digit Display Angle Ruler 27 is attached between shell and base.
Described cantilever induction mechanism is made up of semi-girder 1, mass 2, strainometer 3 and wire 4; Wherein semi-girder 1 lower end is vertically fixed on the center of mass 2, and semi-girder 1 upper end is vertically fixed on the center of sheath top plate 5, and the line outlet 6 that the strain signal that the strainometer 3 that symmetry is pasted onto semi-girder 1 both sides is experienced is established on top board 5 by wire 4 spreads out of.
Described shell is made up of top board 5, line outlet 6, side plate 7 and base plate 8; Top board 5 and base plate 8 are joined together to form a casing by its latus inframedium 7, and side plate 7 totally four pieces, is respectively front side board, back side panel, left plate and right plate.
Described base is made up of upper sealing plate 9, lower shrouding 10, long web joint 11 and short web joint 12; Wherein upper sealing plate 9, lower shrouding 10 form base with two block length web joints 11 and two pieces short web joints 12 by welding.
Described connection governor motion is made up of level tube 13, pipe I 14, ball pivot 15, pipe II 16, bolt 17, nut I 18, screw rod 19, nut II 20, overcoat web joint 21, ball 22, first circular hole 23, air level 24, second circular hole 25 and slotted eye 26, the level tube 13 of air level 24 is wherein with to be arranged on the bottom of front side board in side plate 7, shell and chassis left side to link together through the pipe I 14 being welded on shell bottom plate 8 and the pipe II 16 that is welded on upper sealing plate 9 and to form the turning hinge that can mutually rotate by bolt 17, mutual rotation between shell and base is retrained by nut I 18, overcoat web joint 21 and base plate 8 consolidation of ball pivot 15, ball 22 the latter half spheroid of ball pivot 15 is free to rotate in the first circular hole 23 of lower shoe, be connected with ball 22 with the screw rod 19 of slotted eye 26 through base second circular hole 25, shell and base also link together at right-hand member by the nut II 20 be contained in advance on screw rod 19.
Described Digit Display Angle Ruler 27 is made up of fixed ruler 28, rotary ruler 29, aobvious number dish 30, rotating shaft 31, web member I 32 and web member II 33; Wherein fixed ruler 28 is connected with the shrouding 9 on base by web member I 32, rotary ruler 29 is connected with base plate 8 by web member II 33, rotating shaft 31 is fixed on pipe I 14, aobvious number dish 30 is pasted onto on fixed ruler 28, can 31 rotate around the shaft between fixed ruler 28 and rotary ruler 29, the angle value rotated between fixed ruler 28 and rotary ruler 29 can directly be shown by aobvious several dish 30.
Width and the thickness of described long web joint 11 and short web joint 12 are all equal.
Described pipe I 14 tube wall upper weld at the lower surface of shell bottom plate 8, pipe I 14 tube wall bottom be not connected between upper sealing plate 9 and there is gap; Pipe II 16 tube wall bottom is welded with upper sealing plate 9 upper surface, also there is gap between the lower surface of pipe II 16 tube wall top and base plate 8.
Described pipe I 14 tube wall bottom is equal with the gap between pipe II 16 tube wall top and the lower surface of base plate 8 with the gap between upper sealing plate 9.
The scope in described gap is 4mm-8mm.
Principle of work of the present utility model is:
Drift indicator angle displacement measurement principle, drift indicator base is fixed in measurand, unscrew nut I 18, shell and base freely can be rotated around bolt 17 in left side, unclamp nut II 20, adjusting screw(rod) 19 makes air level 24 center overlap with the center line of level tube 13, then fastening nut II 20, simultaneously also fastening nut I 18, the position relationship of shell and base is not changed, finally wire 4 is connected to conventional reading strain instrument (as DH3817) go up and instrument is reset, when measurand produces angular displacement, generation is out of shape by the effect of mass 2 by semi-girder 1, generation is also out of shape by strainometer 3, strainometer 3 is out of shape the electric quantity signal caused and transfers to conventional reading strain instrument by wire 4, conventional reading strain instrument will be recorded and strain numerical value accordingly, strain numerical value is divided by the given conversion coefficient of drift indicator, just can obtain the value of angular displacement that measurand produces, namely the real-time measurement of angular displacement is achieved.
Powering-off state inferior horn position measuring principle, drift indicator base is fixed in measurand, by unscrewing nut I 18, shell and base freely can be rotated around bolt 17 in left side, unclamp nut II 20, adjusting screw(rod) 19 makes air level 24 center overlap with the center line of level tube, fixed ruler 28 can 31 rotate around the shaft with rotary ruler 29, there is initial angle angle value in aobvious number dish 30, initial angle on aobvious several dish 30 is reset, after measuring object produces angular displacement and is stable, by adjusting screw(rod) 19, air level 24 center is overlapped with the center line of level tube again, in this process, fixed ruler 28 can 31 rotate around the shaft with rotary ruler 29, the angle value θ that aobvious number dish 30 shows is exactly fixed ruler 28 and rotary ruler 29 31 angles of rotating around the shaft in this adjustment process, namely be the angular displacement that tested object produces.
Angular displacement self calibration principle before drift indicator uses, drift indicator base is fixed on fixed object, wire 4 is connected on conventional reading strain instrument (as DH3817), unscrew nut I 18, shell and base freely can be rotated around bolt 17 in left side, unclamp nut II 20, adjusting screw(rod) 19 makes air level 24 center overlap with the center line of level tube 13, the position relationship of fixed housing and base does not change, reading on aobvious several dish 30 is reset, also reading strain instrument is carried out balance to reset simultaneously, then adjusting screw(rod) 19 makes the registration on aobvious number dish 30 reach the angle value of setting, record corresponding strain value, according to the corresponding relation between angle value and strain value, obtain corresponding coefficient, in this way instrument is checked and conversion coefficient correction.
The beneficial effects of the utility model are:
1, cantilever induction mechanism can sensitive and sense that measurand produces accurately dynamically or static angular change, be aided with conventional reading strain instrument and just can realize the survey of dynamic static angle displace and read.
2, connect governor motion and effectively can solve the impact of initial tilt on apparatus measures range.
3, connect governor motion and Digit Display Angle Ruler with the use of the angle displacement measurement that can realize under the self calibration of instrument and off-position, ensure that the accuracy of apparatus measures, extend service condition and the scope of application of instrument simultaneously.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model;
Fig. 2 is left view of the present utility model;
Fig. 3 is cantilever induction mechanism and shell vertical view in the utility model;
Fig. 4 is base vertical view in the utility model;
Fig. 5 is Digit Display Angle Ruler schematic diagram in the utility model;
Fig. 6 is that on the left of the utility model, the axle such as turning hinge measures intention;
Fig. 7 is that on the right side of the utility model, the axle such as ball pivot measures intention;
Each label in figure: 1-semi-girder, 2-mass, 3-strainometer, 4-wire, 5-top board, 6-line outlet, 7-side plate, 8-base plate, 9-upper sealing plate, shrouding under 10-, the long web joint of 11-, the short web joint of 12-, 13-level tube, 14-pipe I, 15-ball pivot, 16-pipe II, 17-bolt, 18-nut I, 19-screw rod, 20-nut II, 21-overcoat web joint, 22-ball, 23-first circular hole, 24-air level, 25-second circular hole, 26-slotted eye, 27-Digit Display Angle Ruler, 28-fixed ruler, 29-rotary ruler, the aobvious number dish of 30-, 31-rotating shaft, 32-web member I, 33-web member II.
Embodiment
Embodiment 1: as shown in figs. 1-7, a kind of drift indicator, comprises cantilever induction mechanism, shell, base, connection governor motion, Digit Display Angle Ruler 27; Wherein semi-girder 1 upper end of cantilever induction mechanism is vertically fixed on the center of sheath top plate 5 lower surface, and shell is connected with base by connecting governor motion, and is supported on base, and Digit Display Angle Ruler 27 is attached between shell and base.
Described cantilever induction mechanism is made up of semi-girder 1, mass 2, strainometer 3 and wire 4; Wherein semi-girder 1 lower end is vertically fixed on the center of mass 2, and semi-girder 1 upper end is vertically fixed on the center of sheath top plate 5, and the line outlet 6 that the strain signal that the strainometer 3 that symmetry is pasted onto semi-girder 1 both sides is experienced is established on top board 5 by wire 4 spreads out of.
Described shell is made up of top board 5, line outlet 6, side plate 7 and base plate 8; Top board 5 and base plate 8 are joined together to form a casing by its latus inframedium 7, and side plate 7 totally four pieces, is respectively front side board, back side panel, left plate and right plate.
Described base is made up of upper sealing plate 9, lower shrouding 10, long web joint 11 and short web joint 12; Wherein upper sealing plate 9, lower shrouding 10 form base with two block length web joints 11 and two pieces short web joints 12 by welding.
Described connection governor motion is made up of level tube 13, pipe I 14, ball pivot 15, pipe II 16, bolt 17, nut I 18, screw rod 19, nut II 20, overcoat web joint 21, ball 22, first circular hole 23, air level 24, second circular hole 25 and slotted eye 26, the level tube 13 of air level 24 is wherein with to be arranged on the bottom of front side board in side plate 7, shell and chassis left side to link together through the pipe I 14 being welded on shell bottom plate 8 and the pipe II 16 that is welded on upper sealing plate 9 and to form the turning hinge that can mutually rotate by bolt 17, mutual rotation between shell and base is retrained by nut I 18, overcoat web joint 21 and base plate 8 consolidation of ball pivot 15, ball 22 the latter half spheroid of ball pivot 15 is free to rotate in the first circular hole 23 of lower shoe, be connected with ball 22 with the screw rod 19 of slotted eye 26 through base second circular hole 25, shell and base also link together at right-hand member by the nut II 20 be contained in advance on screw rod 19.
Described Digit Display Angle Ruler 27 is made up of fixed ruler 28, rotary ruler 29, aobvious number dish 30, rotating shaft 31, web member I 32 and web member II 33; Wherein fixed ruler 28 is connected with the shrouding 9 on base by web member I 32, rotary ruler 29 is connected with base plate 8 by web member II 33, rotating shaft 31 is fixed on pipe I 14, aobvious number dish 30 is pasted onto on fixed ruler 28, can 31 rotate around the shaft between fixed ruler 28 and rotary ruler 29, the angle value rotated between fixed ruler 28 and rotary ruler 29 can directly be shown by aobvious several dish 30.
Width and the thickness of described long web joint 11 and short web joint 12 are all equal.
Described pipe I 14 tube wall upper weld at the lower surface of shell bottom plate 8, pipe I 14 tube wall bottom be not connected between upper sealing plate 9 and there is gap; Pipe II 16 tube wall bottom is welded with upper sealing plate 9 upper surface, also there is gap between the lower surface of pipe II 16 tube wall top and base plate 8.
Described pipe I 14 tube wall bottom is equal with the gap between pipe II 16 tube wall top and the lower surface of base plate 8 with the gap between upper sealing plate 9.
Described gap is 4mm.
Embodiment 2: as shown in figs. 1-7, a kind of drift indicator, comprises cantilever induction mechanism, shell, base, connection governor motion, Digit Display Angle Ruler 27; Wherein semi-girder 1 upper end of cantilever induction mechanism is vertically fixed on the center of sheath top plate 5 lower surface, and shell is connected with base by connecting governor motion, and is supported on base, and Digit Display Angle Ruler 27 is attached between shell and base.
Described cantilever induction mechanism is made up of semi-girder 1, mass 2, strainometer 3 and wire 4; Wherein semi-girder 1 lower end is vertically fixed on the center of mass 2, and semi-girder 1 upper end is vertically fixed on the center of sheath top plate 5, and the line outlet 6 that the strain signal that the strainometer 3 that symmetry is pasted onto semi-girder 1 both sides is experienced is established on top board 5 by wire 4 spreads out of.
Described shell is made up of top board 5, line outlet 6, side plate 7 and base plate 8; Top board 5 and base plate 8 are joined together to form a casing by its latus inframedium 7, and side plate 7 totally four pieces, is respectively front side board, back side panel, left plate and right plate.
Described base is made up of upper sealing plate 9, lower shrouding 10, long web joint 11 and short web joint 12; Wherein upper sealing plate 9, lower shrouding 10 form base with two block length web joints 11 and two pieces short web joints 12 by welding.
Described connection governor motion is made up of level tube 13, pipe I 14, ball pivot 15, pipe II 16, bolt 17, nut I 18, screw rod 19, nut II 20, overcoat web joint 21, ball 22, first circular hole 23, air level 24, second circular hole 25 and slotted eye 26, the level tube 13 of air level 24 is wherein with to be arranged on the bottom of front side board in side plate 7, shell and chassis left side to link together through the pipe I 14 being welded on shell bottom plate 8 and the pipe II 16 that is welded on upper sealing plate 9 and to form the turning hinge that can mutually rotate by bolt 17, mutual rotation between shell and base is retrained by nut I 18, overcoat web joint 21 and base plate 8 consolidation of ball pivot 15, ball 22 the latter half spheroid of ball pivot 15 is free to rotate in the first circular hole 23 of lower shoe, be connected with ball 22 with the screw rod 19 of slotted eye 26 through base second circular hole 25, shell and base also link together at right-hand member by the nut II 20 be contained in advance on screw rod 19.
Described Digit Display Angle Ruler 27 is made up of fixed ruler 28, rotary ruler 29, aobvious number dish 30, rotating shaft 31, web member I 32 and web member II 33; Wherein fixed ruler 28 is connected with the shrouding 9 on base by web member I 32, rotary ruler 29 is connected with base plate 8 by web member II 33, rotating shaft 31 is fixed on pipe I 14, aobvious number dish 30 is pasted onto on fixed ruler 28, can 31 rotate around the shaft between fixed ruler 28 and rotary ruler 29, the angle value rotated between fixed ruler 28 and rotary ruler 29 can directly be shown by aobvious several dish 30.
Width and the thickness of described long web joint 11 and short web joint 12 are all equal.
Described pipe I 14 tube wall upper weld at the lower surface of shell bottom plate 8, pipe I 14 tube wall bottom be not connected between upper sealing plate 9 and there is gap; Pipe II 16 tube wall bottom is welded with upper sealing plate 9 upper surface, also there is gap between the lower surface of pipe II 16 tube wall top and base plate 8.
Described pipe I 14 tube wall bottom is equal with the gap between pipe II 16 tube wall top and the lower surface of base plate 8 with the gap between upper sealing plate 9.
Described gap is 6mm.
Embodiment 3: as shown in figs. 1-7, a kind of drift indicator, comprises cantilever induction mechanism, shell, base, connection governor motion, Digit Display Angle Ruler 27; Wherein semi-girder 1 upper end of cantilever induction mechanism is vertically fixed on the center of sheath top plate 5 lower surface, and shell is connected with base by connecting governor motion, and is supported on base, and Digit Display Angle Ruler 27 is attached between shell and base.
Described cantilever induction mechanism is made up of semi-girder 1, mass 2, strainometer 3 and wire 4; Wherein semi-girder 1 lower end is vertically fixed on the center of mass 2, and semi-girder 1 upper end is vertically fixed on the center of sheath top plate 5, and the line outlet 6 that the strain signal that the strainometer 3 that symmetry is pasted onto semi-girder 1 both sides is experienced is established on top board 5 by wire 4 spreads out of.
Described shell is made up of top board 5, line outlet 6, side plate 7 and base plate 8; Top board 5 and base plate 8 are joined together to form a casing by its latus inframedium 7, and side plate 7 totally four pieces, is respectively front side board, back side panel, left plate and right plate.
Described base is made up of upper sealing plate 9, lower shrouding 10, long web joint 11 and short web joint 12; Wherein upper sealing plate 9, lower shrouding 10 form base with two block length web joints 11 and two pieces short web joints 12 by welding.
Described connection governor motion is made up of level tube 13, pipe I 14, ball pivot 15, pipe II 16, bolt 17, nut I 18, screw rod 19, nut II 20, overcoat web joint 21, ball 22, first circular hole 23, air level 24, second circular hole 25 and slotted eye 26, the level tube 13 of air level 24 is wherein with to be arranged on the bottom of front side board in side plate 7, shell and chassis left side to link together through the pipe I 14 being welded on shell bottom plate 8 and the pipe II 16 that is welded on upper sealing plate 9 and to form the turning hinge that can mutually rotate by bolt 17, mutual rotation between shell and base is retrained by nut I 18, overcoat web joint 21 and base plate 8 consolidation of ball pivot 15, ball 22 the latter half spheroid of ball pivot 15 is free to rotate in the first circular hole 23 of lower shoe, be connected with ball 22 with the screw rod 19 of slotted eye 26 through base second circular hole 25, shell and base also link together at right-hand member by the nut II 20 be contained in advance on screw rod 19.
Described Digit Display Angle Ruler 27 is made up of fixed ruler 28, rotary ruler 29, aobvious number dish 30, rotating shaft 31, web member I 32 and web member II 33; Wherein fixed ruler 28 is connected with the shrouding 9 on base by web member I 32, rotary ruler 29 is connected with base plate 8 by web member II 33, rotating shaft 31 is fixed on pipe I 14, aobvious number dish 30 is pasted onto on fixed ruler 28, can 31 rotate around the shaft between fixed ruler 28 and rotary ruler 29, the angle value rotated between fixed ruler 28 and rotary ruler 29 can directly be shown by aobvious several dish 30.
Width and the thickness of described long web joint 11 and short web joint 12 are all equal.
Described pipe I 14 tube wall upper weld at the lower surface of shell bottom plate 8, pipe I 14 tube wall bottom be not connected between upper sealing plate 9 and there is gap; Pipe II 16 tube wall bottom is welded with upper sealing plate 9 upper surface, also there is gap between the lower surface of pipe II 16 tube wall top and base plate 8.
Described pipe I 14 tube wall bottom is equal with the gap between pipe II 16 tube wall top and the lower surface of base plate 8 with the gap between upper sealing plate 9.
Described gap is 8mm.
Embodiment 4: as shown in figs. 1-7, a kind of drift indicator, comprises cantilever induction mechanism, shell, base, connection governor motion, Digit Display Angle Ruler 27; Wherein semi-girder 1 upper end of cantilever induction mechanism is vertically fixed on the center of sheath top plate 5 lower surface, and shell is connected with base by connecting governor motion, and is supported on base, and Digit Display Angle Ruler 27 is attached between shell and base.
By reference to the accompanying drawings embodiment of the present utility model is explained in detail above, but the utility model is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, various change can also be made under the prerequisite not departing from the utility model aim.

Claims (10)

1. a drift indicator, is characterized in that: comprise cantilever induction mechanism, shell, base, connection governor motion, Digit Display Angle Ruler (27); Wherein semi-girder (1) upper end of cantilever induction mechanism is vertically fixed on the center of sheath top plate (5) lower surface, and shell is connected with base by connecting governor motion, and is supported on base, and Digit Display Angle Ruler (27) is attached between shell and base.
2. drift indicator according to claim 1, is characterized in that: described cantilever induction mechanism is made up of semi-girder (1), mass (2), strainometer (3) and wire (4); Wherein semi-girder (1) lower end is vertically fixed on the center of mass (2), semi-girder (1) upper end is vertically fixed on the center of sheath top plate (5), and the line outlet (6) that the strain signal that the strainometer (3) that symmetry is pasted onto semi-girder (1) both sides is experienced is established on top board (5) by wire (4) spreads out of.
3. drift indicator according to claim 1, is characterized in that: described shell is made up of top board (5), line outlet (6), side plate (7) and base plate (8); Top board (5) and base plate (8) are joined together to form a casing by its latus inframedium (7), and side plate (7) totally four pieces, is respectively front side board, back side panel, left plate and right plate.
4. drift indicator according to claim 1, is characterized in that: described base is made up of upper sealing plate (9), lower shrouding (10), long web joint (11) and short web joint (12); Wherein upper sealing plate (9), lower shrouding (10) form base with two block length web joints (11) and two pieces of short web joints (12) by welding.
5. drift indicator according to claim 1, is characterized in that: described connection governor motion is made up of level tube (13), pipe I (14), ball pivot (15), pipe II (16), bolt (17), nut I (18), screw rod (19), nut II (20), overcoat web joint (21), ball (22), the first circular hole (23), air level (24), the second circular hole (25) and slotted eye (26), level tube (13) wherein with air level (24) is arranged on the bottom of front side board in side plate (7), shell and chassis left side to link together through the pipe I (14) being welded on shell bottom plate (8) and the pipe II (16) that is welded on upper sealing plate (9) and to form the turning hinge that can mutually rotate by bolt (17), mutual rotation between shell and base is retrained by nut I (18), overcoat web joint (21) and base plate (8) consolidation of ball pivot (15), ball (22) the latter half spheroid of ball pivot (15) is free to rotate in first circular hole (23) of lower shoe, be connected with ball (22) with the screw rod (19) of slotted eye (26) through base second circular hole (25), shell and base also link together at right-hand member by the nut II (20) be contained in advance on screw rod (19).
6. drift indicator according to claim 1, is characterized in that: described Digit Display Angle Ruler (27) is made up of fixed ruler (28), rotary ruler (29), aobvious number dish (30), rotating shaft (31), web member I (32) and web member II (33); Wherein fixed ruler (28) is connected with the shrouding (9) on base by web member I (32), rotary ruler (29) is connected with base plate (8) by web member II (33), rotating shaft (31) is fixed on pipe I (14), aobvious number dish (30) is pasted onto on fixed ruler (28), can (31) rotate around the shaft between fixed ruler (28) and rotary ruler (29), the angle value rotated between fixed ruler (28) and rotary ruler (29) directly can coil (30) by aobvious number and show.
7. drift indicator according to claim 4, is characterized in that: width and the thickness of described long web joint (11) and short web joint (12) are all equal.
8. drift indicator according to claim 5, is characterized in that: the lower surface of described pipe I (14) tube wall upper weld in shell bottom plate (8), pipe I (14) tube wall bottom be not connected between upper sealing plate (9) and there is gap; Pipe II (16) tube wall bottom is welded with upper sealing plate (9) upper surface, also there is gap between the lower surface of pipe II (16) tube wall top and base plate (8).
9. drift indicator according to claim 8, is characterized in that: described pipe I (14) tube wall bottom is equal with the gap between pipe II (16) tube wall top and the lower surface of base plate (8) with the gap between upper sealing plate (9).
10. drift indicator according to claim 9, is characterized in that: the scope in described gap is 4mm-8mm.
CN201420424974.8U 2014-07-30 2014-07-30 A kind of drift indicator Expired - Fee Related CN204202610U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420424974.8U CN204202610U (en) 2014-07-30 2014-07-30 A kind of drift indicator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420424974.8U CN204202610U (en) 2014-07-30 2014-07-30 A kind of drift indicator

Publications (1)

Publication Number Publication Date
CN204202610U true CN204202610U (en) 2015-03-11

Family

ID=52660557

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420424974.8U Expired - Fee Related CN204202610U (en) 2014-07-30 2014-07-30 A kind of drift indicator

Country Status (1)

Country Link
CN (1) CN204202610U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104215227A (en) * 2014-07-30 2014-12-17 昆明理工大学 Dip angle measuring instrument
CN104897137A (en) * 2015-06-02 2015-09-09 李福林 Infrared shaking gradienter
CN111207718A (en) * 2020-03-19 2020-05-29 国网河南省电力公司电力科学研究院 Device for measuring the inclination of a plane

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104215227A (en) * 2014-07-30 2014-12-17 昆明理工大学 Dip angle measuring instrument
CN104215227B (en) * 2014-07-30 2017-02-08 昆明理工大学 Dip angle measuring instrument
CN104897137A (en) * 2015-06-02 2015-09-09 李福林 Infrared shaking gradienter
CN111207718A (en) * 2020-03-19 2020-05-29 国网河南省电力公司电力科学研究院 Device for measuring the inclination of a plane
CN111207718B (en) * 2020-03-19 2021-08-17 国网河南省电力公司电力科学研究院 Device for measuring the inclination of a plane

Similar Documents

Publication Publication Date Title
CN102853730B (en) Automobile engine hood hinge inspection tool
WO2017193713A1 (en) Device for automatic measurement and adjustment of inertia of marine structure test model along multiple axes, and method for using same
CN103628570B (en) A kind of mounting method of weld ball-node grid structure
CN204202610U (en) A kind of drift indicator
CN101865759B (en) Device for hypersonic rolling dynamic test
CN106289622A (en) A kind of device and method measuring high-strength bolt auxiliary connection torque coefficient
CN105973510A (en) Loader bucket stress test method
CN206291886U (en) A kind of device for measuring angle between coal-winning machine fuselage and rocking arm
CN2107634U (en) Three-direction gap detector
CN205384108U (en) Measure axial tension's resistance strain force sensor
CN206161429U (en) Internal force is measured and calibration device thereof
CN208872233U (en) A kind of engineering project detection ruler
CN104215227A (en) Dip angle measuring instrument
CN207248054U (en) A kind of high integrity cubing
CN103063382A (en) Deflection automatic measuring device and measuring method thereof
CN207866402U (en) A kind of torque sensor for automobile
CN207423682U (en) A kind of simple cover stiffness test measuring device
CN206772286U (en) One kind building work horizontal alignment instrument
CN202994404U (en) Automatic deflection measurement apparatus
CN109990842A (en) Hydrology current measuring instrument inclination angle performance detector
CN109281345A (en) Excavator remotely monitors cloud service system
CN205748343U (en) Directive wheel corner measuring apparatus on agricultural machinery
CN103419165A (en) High-precision torque wrench and checkout, installation and detection method thereof
CN201302443Y (en) Instrument for measuring concentricity of tubular object
CN103398805A (en) Three-dimensional nanometer measurement head elastic supported by spiral leaf spring

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150311

Termination date: 20160730