CN209706726U - A kind of concentricity measuring instrument - Google Patents
A kind of concentricity measuring instrument Download PDFInfo
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- CN209706726U CN209706726U CN201920573692.7U CN201920573692U CN209706726U CN 209706726 U CN209706726 U CN 209706726U CN 201920573692 U CN201920573692 U CN 201920573692U CN 209706726 U CN209706726 U CN 209706726U
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- workbench
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- measuring instrument
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Abstract
The utility model discloses a kind of concentricity measuring instrument, including workbench, positioning bearing is fixedly installed on workbench, level offers adjustment hole on workbench, sliding, which is equipped with, in adjustment hole adjusts bearing, and workbench is equipped with driving cylinder, adjusts bearing and is fixedly connected on the piston rod of driving cylinder；Workbench is equipped with the first dial gauge and the second dial gauge, and transmission lifting device is additionally provided on workbench, and transmission lifting device is equipped with lever meter.The utility model has the following advantages that and effect: this programme utilizes new mechanical structure, synchronizes measurement to the internal-and external diameter and centre bore of workpiece using two dial gauges and a lever meter, has measurement accuracy and the higher effect of measurement efficiency；Workpiece is positioned using three bearings, the probability that workpiece is scratched can be reduced；The centre bore that can make lever meter rapid alignment workpiece using transmission lifting device, improves measurement efficiency.
Description
Technical field
The utility model relates to detection device technical field, in particular to a kind of concentricity measuring instrument.
Background technique
Concentricity measuring instrument is mainly used for two axis or interior of the various rotating machinerys such as centrifugal pump, compressor, blower, generator
Hole measurement concentricity, mechanical wear is larger during rotation for the biggish workpiece of Concentricity tolerance, so, it is right in process of production
The detection of concentricity has biggish importance, and the internal-and external diameter of detection workpiece is usually required in the detection process of concentricity in
The position in heart hole.
Current existing concentricity measuring instrument has usually only included a measurement table, therefore has inner hole or section to some
Deng axial workpiece, inner hole or outer circle can not be measured simultaneously, and can only measure one by one, this is to a certain extent
Measurement accuracy is affected, while also reducing the efficiency of measurement.
Existing notification number is that the Chinese patent of CN203550896U discloses a kind of concentricity measuring instrument, including template, fixed
Position screw rod, dial indicator bracket and dial gauge are set there are two positioning screw in the front end two sides of template, in template at front end
Equipped with dial indicator bracket mounting groove, dial indicator bracket upper end is connected in dial indicator bracket mounting groove by positioning bolt, percentage
Table pedestal lower end is connected with dial gauge.In use, two positioning screws touch the seam allowance face of casing, dial gauge is beaten in casing
Iron core gear is that fulcrum rotary template drives dial gauge to rotate along electric machine iron core shelves using two positioning screws, to obtain
The concentricity of iron core shelves and seam allowance.
But above-mentioned concentricity measuring instrument has the disadvantage in that when positioning screw is positioned workpiece, in fixation procedure
In, the outer wall of positioning screw and the inner wall of inner hole of workpiece fit, it is possible that drawing when positioning screw is slided along workpiece inner wall
Trace, to cause to damage to measured workpiece.
Utility model content
The purpose of the utility model is to provide a kind of concentricity measuring instrument, using the first dial gauge can internal diameter to workpiece into
Row measurement, the second dial gauge can measure workpiece outer diameter, and lever meter can measure the central hole location of workpiece, multiple
Position measures simultaneously has measurement accuracy and the higher effect of measurement efficiency, in addition, honouring work using adjusting bearing and locating shaft
Part is positioned, and can reduce the probability that workpiece is scratched in the detection process to a certain extent.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of concentricity measurement
Instrument, including workbench are fixedly installed with positioning bearing on workbench, and level offers adjustment hole on workbench, sliding in adjustment hole
It is dynamic to be provided with adjusting bearing, it is provided with driving cylinder on workbench, adjusts bearing and is fixedly connected on the piston rod of driving cylinder,
It drives cylinder driving to adjust bearing to slide along adjustment hole；The first dial gauge and the second dial gauge, workbench are provided on workbench
On be additionally provided with transmission lifting device, be driven on lifting device and be fixedly connected with lever meter, be driven lifting device activation lever table
Relative adjustment hole parallel slip, and lever meter can be with respect to workbench vertical shift.
First workplace vertical is placed on workbench simultaneously when measuring concentricity of workpiece by using above-mentioned technical proposal
Travelling workpiece is located at positioning bearing in inner hole of workpiece and is affixed with workpiece inner wall, and then starting driving cylinder, drives cylinder
Piston rod, which drives, adjusts bearing along adjustment hole to the direction horizontal sliding of remotely located bearing, makes the outer wall and workpiece that adjust bearing
Inner wall is affixed, and after bearing positions workpiece, can directly be measured workpiece interior diameter by the first dial gauge, be passed through the second dial gauge
Workpiece overall diameter is directly measured, lever meter can move horizontally under the drive of transmission lifting device along adjustment hole direction, work as lever
When table is moved to above the centre bore of workpiece, lever meter is pressed down on, penetrates the measurement needle of lever meter to centre bore
The concentricity of workpiece is measured, when measuring same workpiece, it can be achieved that the effect positioned rapidly, so that measurement can be improved
Efficiency.In this way, measuring simultaneously using two dial gauges and a lever meter to multiple and different positions of workpiece, there is measurement
The higher effect of precision, measurement efficiency, and honour workpiece by positioning bearing and adjustment axis and positioned, compared to the prior art
For, the probability that workpiece is scratched in the detection process can be reduced to a certain extent, so that the quality of workpiece can be improved.
The utility model is further arranged to: transmission lifting device includes that two fixed frames and drive block, fixed frame are solid
Surely it is connected on workbench, worm screw is rotatably connected between two fixed frames, drive block and worm-drive cooperate；On drive block also
Elevator is slidably connected, lever meter is fixedly connected on elevator.
By using above-mentioned technical proposal, lever meter can be driven to prolong along adjustment hole under the transmission cooperation of worm screw and drive block
It stretches direction to move horizontally, after lever meter moves to the appropriate position, pressing elevator can be such that the measurement needle on lever meter protrudes into
To the centre bore of workpiece.
The utility model is further arranged to: measuring scale is further fixedly arranged on drive block, measuring scale is vertically arranged, and is surveyed
Gage is adjacent with elevator.
By using above-mentioned technical proposal, when elevator slides onto appropriate location downwards, measuring scale can be to vertical direction
On displacement measure.
The utility model is further arranged to: being driven and is fixedly connected with mounting blocks on the piston rod of cylinder, on mounting blocks
Offer " opening of U " font, the first threaded rod is provided in opening, is adjusted bearing and is fixedly connected on the one of the first threaded rod
End, the other end of the first threaded rod are threaded with the first nut.
By using above-mentioned technical proposal, when adjusting bearing being fixedly connected on driving cylinder piston rod, by first
Threaded rod sequentially passes through the opening on adjustment hole and mounting blocks, adjusts bearing and is located at worktable upper surface, then in the first screw thread
The lower thread of bar connects the first nut and is tightened, and bearing will be adjusted by, which being so convenient to, is installed on mounting blocks, and
It is easy to disassemble.
The utility model is further arranged to: jettron, jettron and driving cylinder control are provided on workbench
Prepare conjunction.
By using above-mentioned technical proposal, adjust drive cylinder during, can by left and right adjusting jettron, with
It realizes that positioning bearing and adjustment axis are honoured the fixed elasticity of workpiece and adjusted, workpiece is made to be not easy to be damaged in measurement process.
The utility model is further arranged to: mounting hole is offered on workbench, running through in mounting hole has the second screw thread
Bar, one end of the second threaded rod are fixedly connected with positioning bearing, and the other end of the second threaded rod is threaded with the second nut.
By using above-mentioned technical proposal, when positioning bearing is fixedly connected in mounting hole, the second threaded rod is worn
Mounting hole is crossed, positioning bearing is located at worktable upper surface, then connects the second nut in the lower thread of the second threaded rod and incites somebody to action
It is tightened, and bearing will be positioned by, which being so convenient to, is installed on workbench, and easy to disassemble.
The utility model is further arranged to: positioning bearing is set as two, adjusts bearing with two positioning bearings and is in
Triangle-Profile.
By using above-mentioned technical proposal, workpiece is fixed using three bearings when fixed workpiece, it can be by workpiece
It is stably fixed on workbench.
In conclusion the utility model has the following beneficial effects:
1. two dial gauges and a lever meter is used respectively to measure the internal-and external diameter of workpiece and centre bore to realize
The measurement of concentricity, multiple positions measure simultaneously has measurement accuracy and the higher effect of measurement efficiency；
2. being positioned using three bearings to workpiece, workpiece can be reduced to a certain extent and be scratched in the detection process
Probability；
3. the centre bore of lever meter rapid alignment workpiece can be made using transmission lifting device, so that measurement efficiency can be improved.
Detailed description of the invention
Fig. 1 is the overall structure relation schematic diagram of embodiment.
Fig. 2 is the bottom surface structure relation schematic diagram of embodiment.
Fig. 3 is the driving cylinder of embodiment and the structural relation schematic diagram of mounting blocks.
In figure: 1, workbench；11, mounting hole；12, adjustment hole；13, the first dial gauge；14, the second dial gauge；15, fixed
Frame；16, worm screw；17, drive block；18, elevator；2, bearing is positioned；3, bearing is adjusted；4, the second threaded rod；41, the second spiral shell
It is female；5, cylinder is driven；51, mounting blocks；511, it is open；6, the first threaded rod；61, the first nut；7, jettron；8, lever
Table；9, measuring scale.
Specific embodiment
The utility model will be further described below with reference to the accompanying drawings.
A kind of concentricity measuring instrument includes workbench 1, is fixedly installed on workbench 1 as shown in Figure 1, Figure 2 and Figure 3
Two positioning bearings 2 are movably installed with an adjusting bearing 3, distribution triangular in shape always between three bearings, when fixing workpiece
Workpiece is fixed using three bearings, workpiece can be stably fixed on workbench 1.Installation is offered on workbench 1
Hole 11, mounting hole 11 is interior through there is the second threaded rod 4, and positioning bearing 2 is fixedly connected on the upper end of the second threaded rod 4, the second spiral shell
The lower thread of rasp bar 4 is connected with the second nut 41；The also horizontal adjustment hole 12 for offering strip, mounting hole on workbench 1
11 are set to the end of adjustment hole 12, adjust bearing 3 and are slideably positioned in adjustment hole 12, the bottom surface of workbench 1 is fixedly connected with
Cylinder 5 is driven, drives and is fixedly connected with mounting blocks 51 on the piston rod of cylinder 5, offered on mounting blocks 51 " opening of U " font
511, the first threaded rod 6 is vertically arranged in opening 511, adjusts the upper end that bearing 3 is fixedly connected on the first threaded rod 6, first
The lower thread of threaded rod 6 is connected with the first nut 61, adjusts bearing 3 by mounting blocks 51 and is fixedly connected on driving cylinder 5
On piston rod, driving cylinder 5, which can drive, adjusts bearing 3 along the sliding of adjustment hole 12.1 upper surface of workbench is additionally provided with jettron
7, jettron 7 and the driving control of cylinder 5 cooperate.
When adjusting bearing 3 being fixedly connected on driving 5 piston rod of cylinder, the first threaded rod 6 is sequentially passed through into adjusting
Opening 511 on hole 12 and mounting blocks 51 adjusts bearing 3 and is located at 1 upper surface of workbench, then in the lower end of the first threaded rod 6
It is threadedly coupled the first nut 61 and is tightened；When positioning bearing 2 is fixedly connected in mounting hole 11, by the second threaded rod
4 pass through mounting hole 11, and positioning bearing 2 is located at 1 upper surface of workbench, then connect second in the lower thread of the second threaded rod 4
Nut 41 is simultaneously tightened, and is so convenient to that bearing 3 will be adjusted and positioning bearing 2 is installed on workbench 1, and conveniently tear open
It unloads.
As shown in Figure 1, being provided with the first dial gauge 13 and the second dial gauge 14 on workbench 1, it is additionally provided on workbench 1
It is driven lifting device, transmission lifting device includes the fixed frame 15 being fixedly connected on workbench 1, between two fixed frames 15
It is rotatably connected to worm screw 16, drive block 17 is provided on worm screw 16, drive block 17 and the transmission of worm screw 16 cooperate, on drive block 17 also
Elevator 18 is slidably connected, lever meter 8 is fixedly connected on elevator 18, is also fixedly connected with measuring scale 9 on drive block 17,
Measuring scale 9 is vertically arranged and adjacent with elevator 18, transmission lifting device can 8 relative adjustment hole 12 of activation lever table it is sliding in parallel
It moves, and lever meter 8 can be with respect to 1 vertical shift of workbench.When being driven the lifting device drive movement of lever meter 8, in 16 He of worm screw
Lever meter 8 can be driven to move horizontally along 12 extending direction of adjustment hole under the transmission cooperation of drive block 17, when lever meter 8 is moved to work
After above part centre bore, pressing elevator 18 can be such that the measurement needle on lever meter 8 stretches in the centre bore of workpiece.
The basic functional principle of the utility model are as follows: when measuring concentricity of workpiece, workplace vertical is first placed in work
On platform 1 and travelling workpiece, makes to position bearing 2 and be located in inner hole of workpiece and be affixed with workpiece inner wall, then starting drives cylinder 5,
It drives the piston rod of cylinder 5 to drive and adjusts bearing 3 along adjustment hole 12 to the direction horizontal sliding of remotely located bearing 2, make to adjust
The outer wall of bearing 3 is affixed with workpiece inner wall, adjust drive cylinder 5 during, can by left and right adjusting jettron 7, with
It realizes positioning bearing 2 and adjusts bearing 3 and the fixed elasticity of workpiece is adjusted, make workpiece will not be because of tension mistake in measurement process
Tightly it is damaged.After bearing positions workpiece, workpiece interior diameter can be directly measured by the first dial gauge 13, pass through the 200th
Table 14 is divided directly to measure workpiece overall diameter, lever meter 8 can move under the drive of transmission lifting device along 12 direction level of adjustment hole
It is dynamic, when lever meter 8 is moved to above the centre bore of workpiece, press down on lever meter 8, make the measurement needle of lever meter 8 penetrate to
In centre bore, the concentricity of workpiece can be measured, when elevator 18 slides onto appropriate location downwards, measuring scale 9 can
Displacement on vertical direction is measured, when measuring same workpiece, it can be achieved that the effect positioned rapidly, to can be improved
Measurement efficiency.In this way, being measured simultaneously using two dial gauges and a lever meter 8 to multiple and different positions of workpiece, have
There is the higher effect of measurement accuracy, measurement efficiency, and workpiece is positioned by positioning bearing 2 and adjusting bearing 3, compared to
For the prior art, the probability that workpiece is scratched in the detection process can be reduced to a certain extent, so that workpiece can be improved
Quality.
The above description is only a preferred embodiment of the present invention, therefore all according to described in the utility model patent application range
The equivalent change or modification done of structure, feature and principle, be included in the scope of the utility model patent application.
Claims (7)
1. a kind of concentricity measuring instrument, including workbench (1), it is characterised in that: be fixedly installed with positioning on the workbench (1)
Bearing (2), level offers adjustment hole (12) on the workbench (1), and sliding is provided with adjustment axis in the adjustment hole (12)
It holds (3), driving cylinder (5) is provided on the workbench (1), the adjusting bearing (3) is fixedly connected on the driving cylinder
(5) on piston rod, the driving cylinder (5) drives the adjusting bearing (3) to slide along the adjustment hole (12)；The work
It is provided with the first dial gauge (13) and the second dial gauge (14) on platform (1), transmission lifting dress is additionally provided on the workbench (1)
It sets, is fixedly connected with lever meter (8) on the transmission lifting device, the transmission lifting device drives lever meter (8) phase
To the adjustment hole (12) parallel slip, and the lever meter (8) can relatively described workbench (1) vertical shift.
2. a kind of concentricity measuring instrument according to claim 1, it is characterised in that: the transmission lifting device includes two
Fixed frame (15) and drive block (17), the fixed frame (15) are fixedly connected on the workbench (1), two fixed frames
(15) it is rotatably connected between worm screw (16), the drive block (17) and the worm screw (16) transmission cooperate；The drive block
(17) it is also slidably connected on elevator (18), the lever meter (8) is fixedly connected on the elevator (18).
3. a kind of concentricity measuring instrument according to claim 2, it is characterised in that: also fixation is set on the drive block (17)
It is equipped with measuring scale (9), the measuring scale (9) is vertically arranged, and the measuring scale (9) is adjacent with the elevator (18).
4. a kind of concentricity measuring instrument according to claim 1, it is characterised in that: the piston rod of driving cylinder (5)
On be fixedly connected with mounting blocks (51), offered on the mounting blocks (51) " opening (511) of U " font, the opening (511)
It being inside provided with the first threaded rod (6), adjust bearing (3) are fixedly connected on one end of first threaded rod (6), and described the
The other end of one threaded rod (6) is threaded with the first nut (61).
5. a kind of concentricity measuring instrument according to claim 1, it is characterised in that: be provided with gas on the workbench (1)
Dynamic switch (7), the jettron (7) and the driving cylinder (5) control cooperate.
6. a kind of concentricity measuring instrument according to claim 1, it is characterised in that: offer peace on the workbench (1)
It fills hole (11), through having the second threaded rod (4) in the mounting hole (11), one end of second threaded rod (4) is fixedly connected
It positions bearing (2), the other end of second threaded rod (4) is threaded with the second nut (41).
7. a kind of concentricity measuring instrument according to claim 1, it is characterised in that: the positioning bearing (2) is set as two
It is a, the adjusting bearing (3) and the two positioning bearing (2) distributions triangular in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920573692.7U CN209706726U (en) | 2019-04-25 | 2019-04-25 | A kind of concentricity measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920573692.7U CN209706726U (en) | 2019-04-25 | 2019-04-25 | A kind of concentricity measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209706726U true CN209706726U (en) | 2019-11-29 |
Family
ID=68650335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920573692.7U Active CN209706726U (en) | 2019-04-25 | 2019-04-25 | A kind of concentricity measuring instrument |
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| Country | Link |
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| CN (1) | CN209706726U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116558387A (en) * | 2023-07-05 | 2023-08-08 | 成都航利航空科技有限责任公司 | Rapid detection device and method for welding position of stator assembly blade of air compressor |
-
2019
- 2019-04-25 CN CN201920573692.7U patent/CN209706726U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116558387A (en) * | 2023-07-05 | 2023-08-08 | 成都航利航空科技有限责任公司 | Rapid detection device and method for welding position of stator assembly blade of air compressor |
| CN116558387B (en) * | 2023-07-05 | 2023-09-12 | 成都航利航空科技有限责任公司 | Rapid detection device and method for welding position of stator assembly blade of air compressor |
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