CN208588294U - A kind of tool for measuring thickness - Google Patents
A kind of tool for measuring thickness Download PDFInfo
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- CN208588294U CN208588294U CN201821199355.8U CN201821199355U CN208588294U CN 208588294 U CN208588294 U CN 208588294U CN 201821199355 U CN201821199355 U CN 201821199355U CN 208588294 U CN208588294 U CN 208588294U
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- measuring claw
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Abstract
The utility model discloses a kind of tool for measuring thickness, including measuring staff, the first measuring claw, the second measuring claw, the first measuring cylinder, the second measuring cylinder and rotation set;First measuring claw length is greater than the second measuring claw;First measuring claw one end is fixed on measuring staff first end;Second measuring claw is inserted in measuring staff by the first pilot hole of one end;Second measuring claw, the first measuring cylinder, rotation set and the second measuring cylinder are inserted in measuring staff, are arranged successively from measuring staff first end to the second end;First measuring cylinder connects the second measuring cylinder by rotation set, and the inner wall of rotation set is provided with internal screw thread;First measuring cylinder is provided with the N evenly divided for measurement data fractional part reading on the circumference barrel of second measuring claw one end;Measuring staff bar wall is from measuring staff first end to the second end, including planar section and thread segment.The utility model tool can be realized in the case where not needing disassembly brake components and directly be measured brake flashboard, there is measurement advantage easy to operate, with high accuracy.
Description
Technical field
The utility model relates to a kind of measuring tool, in particular to a kind of tool for measuring thickness is suitable for hydroelectric power plant's water wheels
The thickness measure of the embedded blocky damper brake plate of generator brake.
Background technique
Hydroelectric power plant's hydrogenerator is equipped with mechanical brake, and the braking flashboard of brake is mostly embedded, examines in unit
It needs to measure damper brake plate thickness during repairing.Due to by brake site layout project space and damper brake board fixing structure limit
System, need to dismantle associated components just and can be carried out direct measurement, make to measure work complication.The working hour of measurement work is considerably increased,
It empirically calculates, six brakes of certain power plant, braking flashboard is directly measured, about 9 man-days need to be spent.And it adopts at present
Indirect measurement method measures the gap between braking flashboard and generator brake ring flat-plate with clearance gauge cooperation slip gauge, grasps
Work is also more complex, time-consuming, empirically calculates, six brakes of certain power plant, is measured indirectly braking flashboard, need to spend about 2
A man-day.Result of Indirect Measurement error is very big simultaneously, and if slip gauge slides in generator when measuring, can run to generator
Bring very big risk.
Utility model content
The shortcomings that the purpose of the utility model is to overcome the prior arts and deficiency, provide a kind of tool for measuring thickness, should
Tool is suitable for hydroelectric power plant's turbine power generator brake arrangement space and brake flashboard fixed structure, can not need
It is realized in the case where disassembly brake components and brake flashboard is directly measured, and measure easy to operate, measurement
Advantage with high accuracy.
The purpose of this utility model is achieved through the following technical solutions: a kind of tool for measuring thickness, including measuring staff, the survey
It is provided with the graduation mark for measurement data integer part reading on bar, further includes the first measuring claw, the second measuring claw, the first survey
Graduated cylinder, the second measuring cylinder and rotation set;The length of first measuring claw is greater than the second measuring claw;Measuring staff both ends are respectively first end
And the second end;
The first measuring claw one end is fixed on measuring staff first end;
The second measuring claw one end is provided with the first pilot hole, and second measuring claw is inserted in by the first pilot hole
Onto measuring staff, second measuring claw is slided on the measuring rod by the first pilot hole;
Second measuring claw, the first measuring cylinder, rotation set and the second measuring cylinder are inserted in measuring staff, and from measuring staff first end
It is arranged successively to the second end;The inner wall of the rotation set is provided with internal screw thread;
First measuring cylinder is provided on the circumference barrel of second measuring claw one end for measurement data fractional part
Divide the N evenly divided of reading, the other end connects rotation set one end;Wherein N is certain value;
Second measuring cylinder one end connects the rotation set other end;
The measuring staff bar wall is from measuring staff first end to the second end, including planar section and thread segment, wherein planar section
Length is less than or equal to the length of the first measuring cylinder.
Preferably, first measuring claw is provided with close to the second measuring claw side and at a certain distance from the other end
First right angle seam allowance of certain depth;Second measuring claw the other end is provided with certain depth close to the first measuring claw side
The second right angle seam allowance and certain thickness tail portion;The position of first right angle seam allowance and the second right angle seam allowance is opposite closes
System.
Further, the length of first measuring claw is 90mm, and first right angle seam allowance is arranged in distance first
At the 43mm of measuring claw the other end;The depth of first right angle seam allowance is 1mm;The setting of second measuring claw the other end
The depth of second right angle seam allowance be 1mm, tail portion with a thickness of 0.75mm.
Preferably, further include lock screw, be provided with a lock hole, institute on the wall of first pilot hole of the second measuring claw
It states the second measuring claw and lock hole locking is passed through on the measuring rod by lock screw.
Preferably, the lock screw is fillister head screw, and the socket cap cylinder of the lock screw has anti-skid design.
Preferably, the length of planar section is 68.75mm on the measuring staff bar wall, and the length of thread segment is 85mm, described flat
The width of face section plane is 6.24mm.
Preferably, the rotation set outer wall is equipped with anti-skid design;First measuring cylinder other end rotation set through the joint of the seam allowance
One end;Second measuring cylinder one end rotation set other end through the joint of the seam allowance.
Preferably, the first measuring claw one end is provided with the second pilot hole, and first measuring claw passes through the second dress
Distribution and measuring staff first end are interference fitted, and the first measuring claw is fixed on measuring staff end.
Preferably, the second measuring claw the first pilot hole inner wall is restricted corresponding to being arranged on the position of measuring staff planar section
The limiting stand that first pilot hole is rotated along measuring staff.
Preferably, the scale alignment line of the first measuring cylinder is provided in the first assembly outer wall of hole of second measuring claw;
The reference line of measuring staff high scale line and the above-mentioned scale alignment line being in the first assembly outer wall of hole are on same straight line.
The utility model compared with the existing technology have following advantages and effects
(1) a kind of tool for measuring thickness of the utility model, including measuring staff, the first measuring claw, the second measuring claw, the first measurement
Cylinder, the second measuring cylinder and rotation set;Wherein the length of the first measuring claw is greater than the second measuring claw, and first measuring claw one end is fixed on survey
Boom end, second measuring claw one end are arranged on the measuring rod by the first pilot hole, can be slided along measuring staff, the first measuring cylinder,
Rotation set and the second measuring cylinder are respectively sleeved on measuring staff, and the first measuring cylinder and the second measuring cylinder is driven to survey under the rotation of rotation set
It is moved on bar;In measurement, the first measuring claw is placed in the upper measuring surface of braking flashboard, and mobile second measuring claw, so that
Second measuring claw is placed in the lower measuring surface of braking flashboard, realizes and braking flashboard is clamped by the first measuring claw and the second measuring claw,
Then rotation set is rotated, so that the first measuring cylinder is contacted with the second measuring claw;Measurement data integer part is read finally by measuring staff,
Measurement data fractional part is read by the first measuring cylinder, to obtain measurement data occurrence.The utility model measuring tool
It can be realized in the case where not needing disassembly brake components and brake flashboard is directly measured, therefore can fitted
Answer hydroelectric power plant's turbine power generator brake arrangement space and brake flashboard fixed structure, have measure it is easy to operate and
The high advantage of measurement accuracy overcomes hydroelectric power plant's turbine power generator brake braking flashboard and directly measures complicated for operation, time-consuming consumption
Power and disadvantage inconvenient, that error is larger is measured indirectly, while working hour is greatly saved, it can be completely complete by one man operation
At with certain social and economic benefit.
(2) in the utility model tool for measuring thickness, the second measurement is additionally provided on measuring rod after the first measuring cylinder
Cylinder, wherein second measuring cylinder one end connects rotation set, the other end is cecum;The utility model can cover survey by the second measuring cylinder
Bar thread segment, so that the thread of the thread segment on measuring staff be prevented to be contaminated.
(3) in the utility model tool for measuring thickness, the first measuring claw is close to the second measuring claw side and apart from the other end
The first right angle seam allowance of certain depth is provided at a certain distance from portion, by the first right angle seam allowance, the first measuring claw can be accurate
It is directed at the upper measuring surface of gauge block.Other second measuring claw the other end is provided with the of certain depth close to the first measuring claw side
Two right angle seam allowances and certain thickness tail portion, by the second right angle seam allowance, the second measuring claw can precisely align the lower survey of gauge block
Amount face.Therefore second be arranged on the first right angle seam allowance and the second measuring claw that the utility model is arranged on the first measuring claw is straight
Angle seam allowance can be further improved the accuracy of braking flashboard measurement.
It (4) further include having a lock screw in the utility model tool for measuring thickness, second the first pilot hole of measuring claw
Wall on be provided with a lock hole, the second measuring claw passes through lock hole by lock screw and locks on the measuring rod, the utility model
The second measuring claw can be locked on the measuring rod by lock screw, guarantee the accuracy read when DATA REASONING.In addition it is locking
Determining screw is fillister head screw, and screw socket cap cylinder has anti-skid design, lock screw smoothly can be screwed in lock hole manually.
(5) in the utility model tool for measuring thickness, second measuring claw the first pilot hole inner wall corresponds to measuring staff planar section
Position be equipped with limiting stand, the first pilot hole of the second measuring claw can be limited by the limiting stand and rotated along measuring staff, thus
The case where influencing reading.In addition, it is provided with the first measuring cylinder scale alignment line in the first assembly outer wall of hole of the second measuring claw,
Accurately to read the fractional part of measurement data.Furthermore in the utility model, the reference line of measuring staff high scale line and the first dress
With the scale alignment line in outer wall of hole on same straight line, it can guarantee the accuracy of measurement data.
Detailed description of the invention
Fig. 1 is the installation diagram of the utility model tool for measuring thickness.
Fig. 1 a is the usage state diagram of the utility model tool for measuring thickness.
Fig. 2 is the corresponding partial enlarged view in the part I of the utility model tool for measuring thickness.
Fig. 3 is 50 evenly divided figure on the circumference barrel of the first measuring cylinder in the utility model tool for measuring thickness.
Fig. 4 is rotation set schematic diagram in the utility model tool for measuring thickness.
Fig. 5 is the B-B cross-sectional view of Fig. 1 installation diagram.
Fig. 6 is the A-A cross-sectional view of Fig. 1 installation diagram.
Specific embodiment
The present invention will be further described in detail with reference to the embodiments and the accompanying drawings, but the implementation of the utility model
Mode is without being limited thereto.
Embodiment
Present embodiment discloses a kind of tool for measuring thickness, as illustrated in figures 1 and 1A, including the measurement of the first measuring claw 1, second
Pawl 2, the first measuring cylinder 3, the second measuring cylinder 4, rotation set 5 and measuring staff 6;Wherein:
The graduation mark for measurement data integer part reading is provided on measuring staff 6, measuring staff both ends are respectively first end
Portion and the second end;
The length of first measuring claw 1 is greater than the second measuring claw;
In the present embodiment, 1 one end of the first measuring claw is fixed on measuring staff first end;In the present embodiment, it first surveys
1 one end of measuring jaw is provided with the second pilot hole, and the first measuring claw is interference fitted by the second pilot hole and measuring staff end, by the
One measuring claw is fixed on measuring staff end.
In the present embodiment, 2 one end of the second measuring claw is provided with the first pilot hole, and the second measuring claw 2 passes through the first dress
Distribution is nested on measuring staff, and the second measuring claw is slided on measuring staff 6 by the first pilot hole;
In the present embodiment, as illustrated in figures 1 and 1A, the second measuring claw 2, the first measuring cylinder 3, rotation set 5 and the second measurement 4
It is inserted in measuring staff 6, and is arranged successively from 6 first end of measuring staff to the second end;The inner wall of rotation set 5 is provided with internal screw thread;Such as Fig. 4
Shown in, the present embodiment rotation set outer wall is equipped with anti-skid design, convenient smooth turn manually.
First measuring cylinder is provided on the circumference barrel of second measuring claw one end to be read for measurement data fractional part
Several N evenly divideds, other end rotation set one end through the joint of the seam allowance;Wherein N is certain value;N can be 50 in the present embodiment,
The scale of 50 equal parts is as shown in Figure 3 on second measuring claw circumference barrel.
The rotation set other end, the other end of the second measuring cylinder are cecum through the joint of the seam allowance for second measuring cylinder one end.
Measuring staff bar wall including the planar section with one fixed width plane and has spiral shell from measuring staff first end to the second end
The thread segment of line, wherein measuring staff as shown in Figure 1 is provided with screw thread 8 in thread segment.The length of planar section is less than or equal to the first measurement
The length of cylinder, the plane in measuring staff planar section can be one fixed width in the present embodiment, it is not required that measuring staff is in planar section
All places are plane, and the plane width of the planar section of measuring staff is 6.24mm, planar section dotted line as shown in figure 1 in the present embodiment
It is shown.It is 166.75mm in the total length of the present embodiment, measuring staff, wherein the length of planar section can be set to 68.75mm, spiral shell
The length of line section can be set to 85mm.
As shown in the cross section view of figure 5, the first measuring cylinder is arranged on the measuring rod;In the present embodiment, the shaft diameter of measuring staff
It is provided with 20mm, the outer diameter of the first measuring cylinder can be set to 24mm.
As illustrated in the cross sectional view of figure 6, rotation set, the second measuring cylinder and measuring staff are respectively the wherein rotation set by the relationship within outer
Outer diameter can be set to 26mm.
In the present embodiment, in measurement, the first measuring claw is placed in the upper measuring surface of braking flashboard, and mobile second surveys
Measuring jaw, so that the second measuring claw to be placed in the lower measuring surface of braking flashboard, realization is clamped by the first measuring claw and the second measuring claw
Flashboard is braked, rotation set is then rotated, so that the first measuring cylinder is contacted with the second measuring claw;Measurement data is read finally by measuring staff
Integer part reads measurement data fractional part by the first measuring cylinder, to obtain measurement data occurrence.
In the present embodiment, it is illustrated in figure 2 the partial enlarged view of the first measuring claw and the second measuring claw, wherein this implementation
In example, the of certain depth is provided at a certain distance from the first measuring claw is close to the second measuring claw side and apart from the other end
One right angle seam allowance, by the first right angle seam allowance, the first measuring claw can precisely align the upper measuring surface of gauge block.In addition, this implementation
In example, second measuring claw the other end is provided with the second right angle seam allowance and centainly thickness of certain depth close to the first measuring claw side
The tail portion of degree, by the second right angle seam allowance, the first measuring claw can precisely align the lower measuring surface of gauge block;In the present embodiment
The position of one right angle seam allowance and the second right angle seam allowance is relativeness, i.e. the first right angle seam allowance and the second right angle seam allowance and measuring staff
Vertical range is equal and two mouthfuls opposite.In the present embodiment the upper and lower measurement surface roughness of the first measuring claw be less than or equal to
0.4.The surface roughness of second measuring claw measurement in the present embodiment is less than or equal to 0.4.
In the present embodiment, the length of the first measuring claw is 90mm, and the first right angle seam allowance is arranged in the first measuring claw of distance
At the 43mm of the other end;The depth of first right angle seam allowance is 1mm;Second right angle seam allowance of second measuring claw the other end setting
Depth is 1mm, tail portion with a thickness of 0.75mm.
In the present embodiment, it is provided with a lock hole on the wall of 2 first pilot hole of the second measuring claw, the second measuring claw passes through
Lock screw 7 passes through lock hole and locks on the measuring rod, and the second measuring claw 2 can be locked at by the present embodiment by lock screw 7
On measuring staff 6, guarantee the accuracy read when DATA REASONING.It in addition is fillister head screw, screw socket cap cylinder in lock screw 7
There is anti-skid design, lock screw smoothly can be screwed in into lock hole manually.
In the present embodiment, lock screw pass through lock hole after and measuring staff planar section plane contact, so as to lock screw
Lock the second measuring claw.
In the present embodiment, as shown in figure 5, second measuring claw the first pilot hole inner wall corresponds to the position of measuring staff planar section
It is equipped with limiting stand 9, can prevent the second measuring claw from rotating on the measuring rod by the limiting stand 9, to influence measurement accuracy.Its
The height of middle limiting stand can be set to 0.5mm.
In the present embodiment, as shown in figure 3, being provided with the first measuring cylinder in the first assembly outer wall of hole of the second measuring claw
Scale alignment line, accurately to read the fractional part of measurement data.The reference line of measuring staff high scale line is in first with above-mentioned
The scale alignment line in outer wall of hole is assembled on same straight line, can guarantee the accuracy of measurement data.
The description of " first ", " second " involved in the present embodiment etc. is used for description purposes only, and should not be understood as instruction or
It implies its relative importance or implicitly indicates the quantity of indicated technical characteristic.The spy of " first ", " second " is defined as a result,
Sign can explicitly or implicitly include at least one of the features.
Above-described embodiment is the preferable embodiment of the utility model, but the embodiments of the present invention is not by above-mentioned
The limitation of embodiment, it is made under other any spiritual essence and principles without departing from the utility model to change, modify, replacing
In generation, simplifies combination, should be equivalent substitute mode, is included within the protection scope of the utility model.
Claims (10)
1. a kind of tool for measuring thickness, including measuring staff, the quarter for measurement data integer part reading is provided on the measuring staff
Spend line, which is characterized in that further include the first measuring claw, the second measuring claw, the first measuring cylinder, the second measuring cylinder and rotation set;First
The length of measuring claw is greater than the second measuring claw;Measuring staff both ends are respectively first end and the second end;
The first measuring claw one end is fixed on measuring staff first end;
The second measuring claw one end is provided with the first pilot hole, and second measuring claw is nested into survey by the first pilot hole
On bar, second measuring claw is slided on the measuring rod by the first pilot hole;
Second measuring claw, the first measuring cylinder, rotation set and the second measuring cylinder are inserted in measuring staff, and from measuring staff first end to
Two ends are arranged successively;The inner wall of the rotation set is provided with internal screw thread;
First measuring cylinder is provided on the circumference barrel of second measuring claw one end to be read for measurement data fractional part
Several N evenly divideds, the other end connect rotation set one end;Wherein N is certain value;
Second measuring cylinder one end connects the rotation set other end;
The measuring staff bar wall including the planar section with one fixed width plane and has spiral shell from measuring staff first end to the second end
The thread segment of line, wherein the length of planar section is less than or equal to the length of the first measuring cylinder.
2. tool for measuring thickness according to claim 1, which is characterized in that first measuring claw is close to the second measuring claw
Side and the first right angle seam allowance that certain depth is provided at a certain distance from the other end;The second measuring claw other end
Portion close to the first measuring claw side be provided with certain depth the second right angle seam allowance and certain thickness tail portion;First right angle
The position of seam allowance and the second right angle seam allowance is relativeness.
3. tool for measuring thickness according to claim 2, which is characterized in that the length of first measuring claw is 90mm,
First right angle seam allowance is arranged at the first measuring claw of distance the other end 43mm;The depth of first right angle seam allowance is
1mm;Second measuring claw the other end setting the second right angle seam allowance depth be 1mm, tail portion with a thickness of 0.75mm.
4. tool for measuring thickness according to claim 1, which is characterized in that it further include lock screw, second measurement
A lock hole is provided on the wall of the first pilot hole of pawl, second measuring claw passes through lock hole by lock screw and is locked in survey
On bar.
5. tool for measuring thickness according to claim 4, which is characterized in that the lock screw is fillister head screw, institute
The socket cap cylinder for stating lock screw has anti-skid design.
6. tool for measuring thickness according to claim 1, which is characterized in that the length of planar section is on the measuring staff bar wall
68.75mm, the length of thread segment are 85mm, and the width of the planar section plane is 6.24mm.
7. tool for measuring thickness according to claim 1, which is characterized in that the rotation set outer wall is equipped with anti-skid design;Institute
State first measuring cylinder other end rotation set one end through the joint of the seam allowance;Rotation set is another through the joint of the seam allowance for second measuring cylinder one end
End.
8. tool for measuring thickness according to claim 1, which is characterized in that the first measuring claw one end is provided with
Two pilot holes, first measuring claw are interference fitted by the second pilot hole and measuring staff first end, the first measuring claw are consolidated
It is scheduled on measuring staff end.
9. tool for measuring thickness according to claim 1, which is characterized in that the first pilot hole of the second measuring claw inner wall
The limiting stand that restricted first pilot hole is rotated along measuring staff is set on the position corresponding to measuring staff planar section.
10. tool for measuring thickness according to claim 1, which is characterized in that the first pilot hole of second measuring claw
The scale alignment line of the first measuring cylinder is provided on outer wall;The reference line of measuring staff high scale line is in outside the first pilot hole with above-mentioned
Scale alignment line on wall is on same straight line.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821199355.8U CN208588294U (en) | 2018-07-26 | 2018-07-26 | A kind of tool for measuring thickness |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821199355.8U CN208588294U (en) | 2018-07-26 | 2018-07-26 | A kind of tool for measuring thickness |
Publications (1)
Publication Number | Publication Date |
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CN208588294U true CN208588294U (en) | 2019-03-08 |
Family
ID=65541359
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201821199355.8U Active CN208588294U (en) | 2018-07-26 | 2018-07-26 | A kind of tool for measuring thickness |
Country Status (1)
Country | Link |
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CN (1) | CN208588294U (en) |
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2018
- 2018-07-26 CN CN201821199355.8U patent/CN208588294U/en active Active
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