CN106066221A - A kind of tooth bar load-measuring device based on axial wiring groove - Google Patents
A kind of tooth bar load-measuring device based on axial wiring groove Download PDFInfo
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- CN106066221A CN106066221A CN201610415205.5A CN201610415205A CN106066221A CN 106066221 A CN106066221 A CN 106066221A CN 201610415205 A CN201610415205 A CN 201610415205A CN 106066221 A CN106066221 A CN 106066221A
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- China
- Prior art keywords
- tooth bar
- wiring groove
- connector
- sensor
- sensor elastomer
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
- G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The present invention relates to ocean lifting platform field, be specifically related to a kind of tooth bar load-measuring device based on axial wiring groove, including tooth bar and measurement apparatus, measurement apparatus includes connector, sensor elastomer and sensor；The end face at sensor elastomer two ends flushes in the side of connector, and sensor elastomer is fixed on connector by chuck, and the end face of sensor elastomer both sides is located at by chuck；The axially arranged of sensor elastomer has wiring groove, and the end face of wiring groove connection sensor elastomer, the end face of sensor elastomer is installed and is provided with binding post；Wire one end connects sensor, and passes through wiring groove, and the other end connects binding post.The present invention is by above structure, and offering wiring groove in sensor elastomer affects the precision of measurement hardly, can connect up cleverly again.
Description
Technical field
The present invention relates to ocean lifting platform field, be specifically related to a kind of tooth bar load measurement dress based on axial wiring groove
Put.
Background technology
Big load gear, rack-driving unit are the key function module realizing ocean platform equipment lifting, due to platform
The course of work is born load big, load skewness, and stage-geared transmission in power loading transfer process
The reasons such as the physical parameter change of each functional part of chain, cause existing lifting unit to there is security risk in various degree, mesh
Before means of testing can't be effective, complete load capacity is directly tested, cause existing sea work lift unit structure
Optimize and transformation lacks direct guide data.
There is no 500T and above load suffered by the gear for lifting of ocean platform unit gear-box, tooth bar at present both at home and abroad
Direct measurement apparatus.Existing test mainly has a two schemes:
1) it by the measurement of the physical quantity such as cylinder pressure, power of motor, is indirectly calculated ocean through theory conversion
Load suffered by the gear of lifting platform unit gear-box, tooth bar；This method belongs to measurement indirectly, but stagnant owing to there is system
Afterwards, energy loss, and can not eliminate the friction of each link of whole driving-chain, energy loss and installation system error etc. because of
Element, the load value utilizing related measurement apparatus measurement to obtain is very inaccurate.
2) on the other hand, by installation foil gauge on gear, tooth bar, or add in existing gear, tooth bar attachment structure
Dress load transducer carries out the measurement of load；Both approaches broadly falls into directly measurement, uses the method installing foil gauge to be limited to
The course of work of gear-box and working condition, foil gauge cannot be installed, technical and infeasible.Use and install load transducer additional
Method, need to carry out related big structure of modification to the attachment structure of unit gear-box, same and infeasible.
Content of the invention
It is an object of the invention to propose a kind of tooth bar load-measuring device based on axial wiring groove, overcome above asking
Topic, measures the rack structure of the extra large work hoistable platform of big load.
For reaching this purpose, the present invention by the following technical solutions:
A kind of tooth bar load-measuring device based on axial wiring groove, including tooth bar and measurement apparatus, described measurement apparatus
Including connector, sensor elastomer and sensor；
Described sensor elastomer is cylindrical structural, passes through and is installed on the described tooth bar hole corresponding with connector,
Described tooth bar is made to be installed on described connector；
Described sensor is installed on described sensor elastomer, is located at the corresponding position of described tooth bar and connector contact surface
Put, measure the stressing conditions between described tooth bar and connector.
Described sensor elastomer be radially provided with two cannelures, be located at the position of tooth bar and connector contact surface, institute
State sensor to be installed in described cannelure.
Described cannelure is provided with through hole, radially across the central shaft of described sensor elastomer；Set in one described through hole
Have two described sensors；Two described sensors are located at the inwall in the centre position of described through hole, and relative both sides.
Described through hole is perpendicular to the Impact direction between described tooth bar and connector.
Described sensor is double-shear foil gauge, and each described sensor is provided with two foil gauges；
If totally four described foil gauges of two described tradition devices in same described through hole are respectively R1, R2, R3 and R4,
If totally four described foil gauges of two described tradition devices in another through hole are respectively R5, R6, R7 and R8；
Described R1, R2, R3 and R4, and described R5, R6, R7 and R8 separately constitute this bridging of Huitong and connect；Two described favours
Lead to this bridging and connect separate connection, in parallel or in series.
The installation direction of described foil gauge is 45 degree of angles with the central shaft of described sensor elastomer.
The end face at described sensor elastomer two ends flushes in the side of described connector, and described sensor elastomer passes through
Chuck is fixed on connector, and the end face of described sensor elastomer both sides is located at by described chuck；The axle of described sensor elastomer
To being provided with wiring groove, the end face of the described sensor elastomer of described wiring groove connection, the end face of described sensor elastomer is pacified
It is equiped with binding post；Wire one end connects described sensor, and passes through described wiring groove, and the other end connects described terminals
Son.
Described measurement apparatus is located at the end of described tooth bar；One end of described tooth bar or two ends are provided with described measurement dress
Put.
Described connector is installed on piston rod by screw thread, and described piston rod is positioned at the opposite side relative with described tooth bar；
The other end of described piston rod is installed on hydraulic cylinder.
Described connector is provided with U-shaped structure, and described tooth bar is installed in described U-shaped structure；Or described tooth bar is provided with U-shaped
Structure, described connector is installed in described U-shaped structure.
The present invention is by above structure, and offering wiring groove in sensor elastomer affects the precision of measurement, again hardly
Can connect up cleverly.
Brief description
Fig. 1 be one embodiment of the present of invention front view structure schematic diagram (wherein connector, with piston rod junction office
Portion's section view)；
Fig. 2 is the plan structure schematic diagram (its middle gear and connector are section) of one embodiment of the present of invention；
Fig. 3 is the sensor elastomer plan structure schematic diagram of one embodiment of the present of invention；
Fig. 4 is the B-B sectional structure schematic diagram of Fig. 3；
Fig. 5 is the A-A sectional structure schematic diagram of Fig. 3；
Fig. 6 is this bridging connection circuit schematic diagram of Huitong of foil gauge R1, R2, R3 and R4 of one embodiment of the present of invention；
Fig. 7 is this bridging connection circuit schematic diagram of Huitong of foil gauge R5, R6, R7 and R8 of one embodiment of the present of invention.
Tooth bar the 1st, connector the 2nd, sensor elastomer the 3rd, cannelure the 31st, through hole the 32nd, wiring groove the 33rd, foil gauge the 41st, piston rod
5th, chuck the 6th, binding post 7.
Detailed description of the invention
Below in conjunction with the accompanying drawings and further illustrate technical scheme by detailed description of the invention.
As shown in Figure 1 to Figure 2, a kind of tooth bar load-measuring device based on axial wiring groove, including tooth bar 1 and measurement dress
Putting, described measurement apparatus includes connector the 2nd, sensor elastomer 3 and sensor；
Described sensor elastomer 3 is cylindrical structural, passes through and is installed on described tooth bar 1 and connector 2 is corresponding
Hole, makes described tooth bar 1 be installed on described connector 2；
Described sensor is installed on described sensor elastomer 3, is located at described tooth bar 1 corresponding with connector 2 contact surface
Position, measures the stressing conditions between described tooth bar 1 and connector 2.
Described sensor elastomer 3 is being positioned at the correspondence position of described tooth bar 1 and connector 2 contact surface, and what it was subject to should
Power is maximum, and deformation is also maximum, and this position is located at by described sensor can maximally effective measurement tooth bar load.
Sensor elastomer 3 has the function of bearing pin, connects described tooth bar 1 and connector 2, also has measurement described simultaneously
The function of tooth bar 1 load；Solve existing method of testing, measuring technology can not effectively eliminate testing machine alignment error, operation misses
Difference on load data measuring accuracy impact problem, and solve existing test device can not be effectively effective with testing machine structure
The deficiencies such as coupling, thus the structure optimization and transformation for sea work lift unit lacks the direct guide data of offer.
As shown in Figure 2 to Figure 3, described sensor elastomer 3 be radially provided with two cannelures 31, be located at tooth bar 1 with even
The position of fitting 2 contact surface, described sensor is installed in described cannelure 31.
Described cannelure 31 makes the diameter of described sensor elastomer 3 less, is more easily generated deformation during stress effect, described
The load being herein more easy to measure described tooth bar 1 is located at by sensor.
As shown in Figures 2 to 5, described cannelure 31 is provided with through hole 32, radially across the center of described sensor elastomer 3
Axle；It is provided with two described sensors in one described through hole 32；The centre position of described through hole 32 is located at by two described sensors
Inwall, and relative both sides.
Described sensor is positioned at the center of described sensor elastomer 3, and the load data of measurement is the most accurate.And phase
For axially offering the hole installing described sensor, radially offering described through hole 32 and being more convenient for processing, being also more convenient for, it is described to install
Sensor.
As in figure 2 it is shown, described through hole 32 is perpendicular to the Impact direction between described tooth bar 1 and connector 2.Make described sensing
The inwall that device is installed is perpendicular to described Impact direction, and the load data of measurement is more accurate.
As shown in Figures 4 to 7, described sensor is double-shear foil gauge, and each described sensor is provided with two foil gauges
41；
If totally four described foil gauges 41 of two described tradition devices 4 in same described through hole 32 are respectively R1, R2, R3
And R4, if totally four described foil gauges 41 of two described tradition devices 4 in another through hole 32 are respectively R5, R6, R7 and R8；
Described R1, R2, R3 and R4, and described R5, R6, R7 and R8 separately constitute this bridging of Huitong and connect；Two described favours
Lead to this bridging and connect separate connection, in parallel or in series.
Two this measuring circuits of independent Huitong measure the load of described gear 1 respectively, when this measurement of one of them Huitong
Circuit goes wrong when can not work, and this measuring circuit of another one Huitong also ensures that measurement apparatus can be properly functioning, carries
High stability；Certainly, also this bridging of Liang Ge Huitong can be connect in parallel or in series, improve the accuracy of measurement.
As shown in Fig. 4 to Fig. 5, the installation direction of described foil gauge 41 is four with the central shaft of described sensor elastomer 3
15 degree of angles.By the best angle calculating, make measurement more accurate；Certainly, in different environments, it is also possible to be it
His angle, to reach optimum measurement effect.
As shown in Figure 1 to Figure 2, the end face at described sensor elastomer 3 two ends flushes in the side of described connector, described
Sensor elastomer 3 is fixed on connector 2 by chuck 6, and the end face of described sensor elastomer 3 both sides is located at by described chuck 6；
As shown in Figure 4, the axially arranged of described sensor elastomer 1 has wiring groove 33, and described wiring groove 33 connects described sensor bullet
The end face of gonosome 1, the end face of described sensor elastomer 1 is installed and is provided with binding post 7；Wire one end connects described sensor,
And passing through described wiring groove 33, the other end connects described binding post 7.
The tooth bar loading demands being used by sea work hoistable platform is very huge, accordingly, and the chi of sensor elastomer 1
Very little also just big than the size of general frame for movement, in sensor elastomer 1, offer wiring groove 33 almost under such circumstances
Do not interfere with the precision of measurement, can connect up cleverly again.
Described measurement apparatus is located at the end of described tooth bar 1；One end of described tooth bar 1 or two ends are provided with described measurement dress
Put.In order to adapt to different working environments, described measurement apparatus also can be located at other positions of described tooth bar 1.
As shown in Figure 1 to Figure 2, described connector 2 is installed on piston rod 5 by screw thread, described piston rod 5 be positioned at described
The relative opposite side of tooth bar 1；The other end of described piston rod 5 is installed on hydraulic cylinder.
Described in described Hydraulic Cylinder, tooth bar 1 works, and described tooth bar 1 drives described tooth bar, to reach maritime platform lifting
Purpose.
As shown in Figure 1 to Figure 2, described connector 2 is provided with U-shaped structure, and described tooth bar 1 is installed in described U-shaped structure；Or
Tooth bar 1 described in person is provided with U-shaped structure, and described connector 2 is installed in described U-shaped structure.
Described connector 2 is provided with U-shaped structure or described tooth bar 1 is provided with U-shaped structure, makes described tooth bar 1 and described connection
Structure between part 2 is the most firm.
Describe the know-why of the present invention above in association with specific embodiment.These describe and are intended merely to explain the present invention's
Principle, and limiting the scope of the invention can not be construed to by any way.Based on explanation herein, the technology of this area
Personnel do not need to pay other detailed description of the invention that performing creative labour can associate the present invention, and these modes fall within
Within protection scope of the present invention.
Claims (9)
1. the tooth bar load-measuring device based on axial wiring groove, including tooth bar and measurement apparatus, it is characterised in that: described
Measurement apparatus includes connector, sensor elastomer and sensor；
Described sensor elastomer is cylindrical structural, passes through and is installed on the described tooth bar hole corresponding with connector, making institute
State tooth bar and be installed on described connector；
Described sensor is installed on described sensor elastomer, is located at the correspondence position of described tooth bar and connector contact surface, surveys
Measure the stressing conditions between described tooth bar and connector；
The end face at described sensor elastomer two ends flushes in the side of described connector, and described sensor elastomer passes through chuck
Being fixed on connector, the end face of described sensor elastomer both sides is located at by described chuck；Axially setting of described sensor elastomer
Being equipped with wiring groove, the end face of the described sensor elastomer of described wiring groove connection, the end face of described sensor elastomer is installed and is set
There is binding post；Wire one end connects described sensor, and passes through described wiring groove, and the other end connects described binding post.
2. a kind of tooth bar load-measuring device based on axial wiring groove according to claim 1, it is characterised in that: described
Sensor elastomer be radially provided with two cannelures, be located at the position of tooth bar and connector contact surface, described sensor is installed
In described cannelure.
3. a kind of tooth bar load-measuring device based on axial wiring groove according to claim 2, it is characterised in that: described
Cannelure is provided with through hole, radially across the central shaft of described sensor elastomer；It is provided with two described biographies in one described through hole
Sensor；Two described sensors are located at the inwall in the centre position of described through hole, and relative both sides.
4. a kind of tooth bar load-measuring device based on axial wiring groove according to claim 3, it is characterised in that: described
Through hole is perpendicular to the Impact direction between described tooth bar and connector.
5. a kind of tooth bar load-measuring device based on axial wiring groove according to claim 3, it is characterised in that: described
Sensor is double-shear foil gauge, and each described sensor is provided with two foil gauges；
If totally four described foil gauges of two described tradition devices in same described through hole are respectively R1, R2, R3 and R4, if separately
Totally four described foil gauges of two described tradition devices in one through hole are respectively R5, R6, R7 and R8；
Described R1, R2, R3 and R4, and described R5, R6, R7 and R8 separately constitute this bridging of Huitong and connect；Two described Huitong this
Bridging connects separate connection, in parallel or in series.
6. a kind of tooth bar load-measuring device based on axial wiring groove according to claim 5, it is characterised in that: described
The installation direction of foil gauge is 45 degree of angles with the central shaft of described sensor elastomer.
7. a kind of tooth bar load-measuring device based on axial wiring groove according to claim 1, it is characterised in that: described
Measurement apparatus is located at the end of described tooth bar；One end of described tooth bar or two ends are provided with described measurement apparatus.
8. a kind of tooth bar load-measuring device based on axial wiring groove according to claim 7, it is characterised in that: described
Connector is installed on piston rod by screw thread, and described piston rod is positioned at the opposite side relative with described tooth bar；Described piston rod
The other end is installed on hydraulic cylinder.
9. a kind of tooth bar load-measuring device based on axial wiring groove according to claim 1, it is characterised in that: described
Connector is provided with U-shaped structure, and described tooth bar is installed in described U-shaped structure；Or described tooth bar is provided with U-shaped structure, described company
Fitting is installed in described U-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610415205.5A CN106066221A (en) | 2016-06-14 | 2016-06-14 | A kind of tooth bar load-measuring device based on axial wiring groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610415205.5A CN106066221A (en) | 2016-06-14 | 2016-06-14 | A kind of tooth bar load-measuring device based on axial wiring groove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106066221A true CN106066221A (en) | 2016-11-02 |
Family
ID=57420248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610415205.5A Pending CN106066221A (en) | 2016-06-14 | 2016-06-14 | A kind of tooth bar load-measuring device based on axial wiring groove |
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| CN (1) | CN106066221A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2243075Y (en) * | 1995-09-18 | 1996-12-18 | 常州托利多电子衡器有限公司 | Pin type shear beam sensor |
| US20020002861A1 (en) * | 1999-07-16 | 2002-01-10 | Timothy B. Foley | Heavy truck brake system using instrumented anchor pins |
| CN102353487A (en) * | 2011-06-16 | 2012-02-15 | 上海理工大学 | Paster of multidimensional force sensor and bridging method |
| CN202177476U (en) * | 2011-07-19 | 2012-03-28 | 宁波金旭电子有限公司 | Shaft-pin-type sensor |
| CN102542105A (en) * | 2011-12-24 | 2012-07-04 | 中国煤炭科工集团太原研究院 | Gear load wireless monitoring system and interactive multi-stage gear physical simulation method finished based on same |
| CN105588669A (en) * | 2015-12-11 | 2016-05-18 | 广西柳工机械股份有限公司 | Shaft pin-type three-way force-measuring sensor |
-
2016
- 2016-06-14 CN CN201610415205.5A patent/CN106066221A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2243075Y (en) * | 1995-09-18 | 1996-12-18 | 常州托利多电子衡器有限公司 | Pin type shear beam sensor |
| US20020002861A1 (en) * | 1999-07-16 | 2002-01-10 | Timothy B. Foley | Heavy truck brake system using instrumented anchor pins |
| CN102353487A (en) * | 2011-06-16 | 2012-02-15 | 上海理工大学 | Paster of multidimensional force sensor and bridging method |
| CN202177476U (en) * | 2011-07-19 | 2012-03-28 | 宁波金旭电子有限公司 | Shaft-pin-type sensor |
| CN102542105A (en) * | 2011-12-24 | 2012-07-04 | 中国煤炭科工集团太原研究院 | Gear load wireless monitoring system and interactive multi-stage gear physical simulation method finished based on same |
| CN105588669A (en) * | 2015-12-11 | 2016-05-18 | 广西柳工机械股份有限公司 | Shaft pin-type three-way force-measuring sensor |
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| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161102 |
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