CN203798480U - Measuring device for measuring thrust loading of sliding thrust bearing - Google Patents
Measuring device for measuring thrust loading of sliding thrust bearing Download PDFInfo
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- CN203798480U CN203798480U CN201420047581.XU CN201420047581U CN203798480U CN 203798480 U CN203798480 U CN 203798480U CN 201420047581 U CN201420047581 U CN 201420047581U CN 203798480 U CN203798480 U CN 203798480U
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Abstract
The utility model discloses a measuring device for measuring the thrust loading of a sliding thrust bearing. The measuring device includes an annular backing plate, a wedge-shaped slider and a resistance strain gauge dynamometer; the annular backing plate is coaxially sheathed between a thrust block maintaining frame of the thrust bearing and a thrust bearing shell; a plurality of radial holes are circumferentially formed at the peripheral end surface of the annular backing plat; through holes which are communicated with the radial holes are formed in positions of the shell which are corresponding to the radial holes; the wedge-shaped slider can be accommodated in the radial holes of the annular backing plate through the through holes in the shell and can be also pulled out from the radial holes and the shell through the through holes in the shell; the resistance strain gauge dynamometer is accommodated in the slider; and one end of the resistance strain gauge dynamometer is in butting connection with the thrust block maintaining frame. According to the measuring device for measuring the thrust loading of the sliding thrust bearing thrust bearing, the structure of the thrust bearing is slightly modified, and particularly, the supporting structure of a thrust block is not modified, and therefore, the lubrication performance of the thrust bearing will not be affected, and risks in safe operation of the thrust bearing will not be increased, and at the same time, the dynamometer is easier to replace, and the replacement of the dynamometer can be carried out under a condition that the thrust bearing shell is not disassembled.
Description
Technical field
The utility model belongs to slide thrust bearing monitoring running state field, is specifically related to a kind of measurement mechanism of slide thrust bearing thrust loading.
Background technology
Slide thrust bearing (hereinafter to be referred as thrust bearing) has marine propuision system, hydraulic generator unit, thermal power generation unit and water pump assembly etc. in the application of rotating machinery, and its basic function is carrying and transmitting thrust load.The design considerations of thrust bearing is hydrldynamic pressure lubrication theory, conventionally according to operating mode at full capacity and consider that certain bearing capacity deposit designs.But it is all to complete on certain hypothesis basis that Theoretical Design calculates, all possible factors that reality can not be occurred are all included.Therefore, the measurement of thrust bearing thrust loading is extremely important.
In the operating state monitoring system of thrust bearing, monitoring parameter is mainly (as CN102967462A) such as lubricating oil film pressure, temperature and thickness, and the thrust loading of thrust bearing is not given and positive regard, also lacks practical measuring method.The measurement of thrust bearing thrust loading can, for designer provides True Data, be conducive to the improvement of method for designing on the one hand, and load condition that on the other hand can Real-Time Monitoring thrust bearing, for commercial production and equipment operation provide safety guarantee.
With regard to marine propuision system, thrust bearing bearing capacity must match and could ensure the safe navigation of boats and ships with screw propeller maximum (top) speed thrust, but the awkward situation that the direct measuring method that has at present thrust bearing bearing capacity and airscrew thrust all lacks, seriously restricts the efficient design of propulsion system.Wherein, airscrew thrust is to obtain in the open water test indirect calculation of experimental tank, circulating water chennel or Cavitation Tunnel by model propeller, if can solve the measuring method problem of thrust bearing thrust loading, just can in propulsion system, directly measure real oar thrust.
EP1967934B1 discloses a kind of hydraulic measurement system of thrust bearing thrust, it by setting up cylinder oil cylinder between thrust block pad and thrust bearing shell, thrust bearing shoe valve is supported on the in-oil cylinder piston of cylinder, piston is held with hydraulic oil advance expenditure, the required pressure of hydraulic pressure lubricating pad provides by configuring a set of hydraulic system, in each cylinder oil cylinder, hydraulic oil is formed through a linker mutually, calculates thrust by the product of hydraulic pressure lubricating pad pressure and the piston total area.The ultimate principle of this fluid pressure type thrust measurement scheme is very simple, but specific implementation not a duck soup, need on the one hand a set of hydraulic system of additional configuration and oil leakage monitoring system of oil, the sealing of piston is very crucial on the other hand, must be limited the stroke of piston, avoid thrust ring in thrust variation process that excessive rigid motion occurs simultaneously.Totally it seems, the structure composition relative complex of fluid pressure type measuring system, cost is higher.US3828610 discloses a kind of fluid pressure type pulling force measuring system equally, and its weak point also comprises and need to do larger change design to the structure of thrust bearing.
Utility model content
For above problem, the utility model proposes a kind of measurement mechanism of thrust bearing thrust loading, it directly carries out resistance-strain type measurement to the thrust loading of thrust bearing by between the thrust block pad retainer at thrust bearing and thrust bearing shell, resistance-strain type of dynamometer meter being set thereby realize.
For realizing the purpose of this utility model, a kind of measurement mechanism of thrust bearing thrust loading is provided, by resistance-strain type of dynamometer meter being set between the thrust block pad retainer at thrust bearing and thrust bearing shell, thereby realize, the resistance-strain type of described thrust bearing is measured, this measurement mechanism comprises:
Annular backing plate, its coaxial sleeve is located between the thrust block pad retainer and thrust bearing shell of thrust bearing, its peripheral end face is along circumferentially having multiple radial holes, and the corresponding through hole communicating with it that has of housing corresponding to each radial hole place, make described radial hole can with exterior;
Slide block, it can be placed in the radial hole of described annular backing plate by the through hole on described housing, and can from described radial hole, extract outside housing by the through hole on described housing;
Resistance-strain type of dynamometer meter, it is placed in described slide block, one end and described thrust block pad retainer butt;
When thrust bearing carrying, load, by acting on described thrust block pad retainer on described resistance-strain type of dynamometer meter, is responded to above-mentioned acting force by multiple resistance strain gages of arranging in it, can measure the thrust loading of carrying on described thrust bearing.
Further, the side surface that described slide block is relative with described thrust block pad retainer has non-penetrating cylindrical cavity, is placed in wherein for described resistance-strain type of dynamometer meter.
Further, described slide block is wedge, and the described radial hole on corresponding described annular backing plate is corresponding wedged hole, and described slide block can be moved relative to this wedged hole, inserts or extracts thereby be convenient to described slide block from described looping pit.
Further, the side surface that described slide block is relative with described thrust block pad retainer is plane, and relative opposite side surface is tapered plane, and cross section is swallow-tail form, one side end face has the through hole connecting with described cylindrical cavity, as the wire fairlead of resistance-strain type of dynamometer meter.
Further, described resistance-strain type of dynamometer meter comprises steel cylinder, hermetically-sealed construction and multiple resistance strain gage, wherein the upper end of steel cylinder is supporting region, be used for and described thrust block pad retainer butt, on the cavity inner wall of middle part, symmetry is pasted with multiple resistance strain gages, for by thrust loading described in the deformation-sensing of supporting region, being connected with wire and being drawn out to by the perforate being arranged on the hermetically-sealed construction of described steel cylinder periphery the through hole connecting with described cylindrical cavity of each resistance strain gage.
In the utility model, utilize this device to carry out the measuring method of thrust bearing thrust loading, specifically comprise:
The first step of coaxial sheathed annular backing plate between the thrust block pad retainer of described thrust bearing and thrust bearing shell, wherein this annular backing plate peripheral end face is along circumferentially having multiple radial holes, and the corresponding through hole communicating with it that has of housing that each radial hole place is corresponding, make described radial hole can with exterior;
Among described radial hole, insert the second step of slide block, on the surface that wherein this slide block contacts with described thrust block pad retainer, offer non-penetrating through hole, a resistance-strain type of dynamometer meter is placed in wherein and its bearing end keeps support to contact with described thrust block pad; And
In the time of described thrust bearing carrying, load is by acting on this resistance-strain type of dynamometer meter on described thrust block pad retainer, thereby responded to above-mentioned acting force and measured the third step of the thrust loading of carrying on described thrust bearing by multiple resistance strain gages of arranging in it.
Further, described slide block is wedge, and the described radial hole on corresponding described annular backing plate is corresponding wedged hole, and described slide block can be moved relative to this wedged hole, inserts or extracts thereby be convenient to described slide block from described looping pit.
Further, the side surface that described slide block is relative with described thrust block pad retainer is plane, and relative opposite side surface is tapered plane, and cross section is swallow-tail form, one side end face has the through hole connecting with described cylindrical cavity, as the wire fairlead of resistance-strain type of dynamometer meter.
Further, described resistance-strain type of dynamometer meter comprises steel cylinder, hermetically-sealed construction and multiple resistance strain gage, wherein the upper end of steel cylinder is supporting region, be used for and described thrust block pad retainer butt, on the cavity inner wall of middle part, symmetry is pasted with multiple resistance strain gages, for by thrust loading described in the deformation-sensing of supporting region, being connected with wire and being drawn out to by the perforate being arranged on the hermetically-sealed construction of described steel cylinder periphery the through hole connecting with described cylindrical cavity of each resistance strain gage.
The utility model also provides a kind of said apparatus or the application of method in the airscrew thrust of marine propuision system is measured.
The measuring method of thrust bearing thrust loading of the present utility model, by installing and measuring device between the thrust block pad retainer at thrust bearing and thrust bearing shell, wherein measurement mechanism is by backing plate, slide block and resistance-strain type of dynamometer meter composition, on described backing plate is, the loop configuration of lower dissection type, along circumferentially evenly having multiple openings radial wedge dovetail groove outwardly, in each wedge form wedge form dovetail groove, be provided with described slide block, in each slide block, have a cylindrical cavity, cylindrical cavity inside surface has a horizontal through hole, described resistance-strain type of dynamometer meter is placed in the cylindrical cavity of slide block, by steel cylinder, evenly stick on eight sheet resistance foil gauges and the hermetically-sealed construction composition at steel cylinder outer surface middle part, hermetically-sealed construction and steel cylinder welding, eight sheet resistance foil gauges adopt full-bridge wiring, output lead is drawn with a wireless remote-measuring system and is connected by the horizontal through hole of place cylindrical cavity, by wireless remote-measuring system, measuring-signal is fitted to tune, collection and transmitting input in computing machine, complete the measurement to thrust bearing thrust loading.
Wherein, described slide block cylindrical cavity is non-penetrating cylindrical cavity.
Wherein, described resistance-strain type of dynamometer meter height is greater than the slide block cylindrical cavity degree of depth.
Wherein, the thrust block pad quantity of described resistance-strain type of dynamometer meter and thrust bearing equates, and both geometric center lines overlap between two.
Wherein, the wedge form wedge form dovetail groove of described slide block and backing plate matches.
In the utility model, the path of thrust bearing carrying and transmitting thrust can be described as the cascade system of " lubricating oil film → thrust block pad → thrust block → supporting construction → retainer → resistance-strain type of dynamometer meter → housing ", except lubricating oil film, other paths are actually the structure composition of thrust bearing.According to the equal fundamental property of each path thrust, the utility model does not change the supporting construction of thrust block pad, into the measurement mechanism being formed by backing plate, slide block and resistance-strain type of dynamometer meter, thrust loading is carried out to wireless telemetering but connect between retainer and housing, solve preferably thrust bearing thrust loading and be not easy the problem of measuring.The utility model can be measured the gross thrust load of thrust loading, average load and the thrust bearing of each thrust block pad, and a function that can be used as thrust bearing operating state monitoring system is supplemented, the monitoring of refinement to thrust bearing running status.
The utility model also takes into full account the maintenance replacing problem of dynamometer.The maintenance of dynamometer is changed two reasons: the one, and fatigure failure, the 2nd, serviceable life.Dynamometer is arranged in the small space of thrust bearing inside, and the squeezing action of long-term bearing thrust load, can produce fatigue problem, by using endurance material can make the fatigue strength of dynamometer improve.Therefore, will become application bottleneck the serviceable life of dynamometer.In Practical Project, the maintenance of thrust bearing is not only consuming time, and with high costs, therefore the reliability of thrust bearing is had high requirements, if dynamometer uses to break down after certain long-time and need to take thrust bearing shell apart and just can overhaul replacing, this,, by greatly limiting the practicality of the utility model measuring method, must be solved by structural design.The utility model design separate slider, as the installation carrier of dynamometer, is fixed on dynamometer in the wedge form wedge form dovetail groove of backing plate together with slide block, then the through hole that reserved size is less in thrust bearing shell is as the access way of slide block.In the time that dynamometer is changed in needs maintenance, only need to slide block be taken out in turn from the wedge form wedge form dovetail groove of backing plate and the preformed hole of thrust bearing shell with remover, just can complete the maintenance of dynamometer is changed.The structural design of wedge form wedge form dovetail groove greatly reduces the taking-up difficulty of slide block, reason is in the time that slide block departs from dovetail groove end face, dynamometer just no longer contacts with the back side of retainer, in slide block moving process, not only there is no the frictional resistance of retainer, also effectively avoid friction to cause secondary to damage to dynamometer.
The utlity model has the remarkable advantage of following several respects:
(1) measuring principle is simple resistance-strain type of dynamometer method, and technology maturity is high, and measuring accuracy is high;
(2) measurement mechanism is simple in structure, and physical dimension is little, and seamless integration is in thrust bearing inner structure;
(3) dynamometer maintenance is changed easily, can under the condition of not taking thrust bearing shell apart, carry out;
(4) can measure the load of each thrust block pad, the monitoring of refinement to thrust bearing running status;
(5) thrust bearing is changed little, especially do not changed the supporting construction of thrust block pad, the greasy property of thrust bearing is unaffected, does not increase the risk of thrust bearing safe operation;
(6) adopt wireless telemetry technique, avoid the loaded down with trivial details of wiring, can realize remote measurement and monitoring.
Brief description of the drawings
Fig. 1 is the structural representation of the resistance-strain type of dynamometer meter of the embodiment of the present invention.
Fig. 2 is the stickup stretch-out view of the resistance strain gage of the embodiment of the present invention.
Fig. 3 is the schematic diagram of the measuring method of the embodiment of the present invention.
Fig. 4 is the structural representation of horizontal through hole one side of the slide block of the embodiment of the present invention.
Fig. 5 is the structural representation of Fig. 4 left side.
Fig. 6 is the structural representation of Fig. 4 upper surface.
Fig. 7 is the structural representation of the backing plate of the embodiment of the present invention.
Fig. 8 is that the A-A of Fig. 7 is to cut-open view.
Fig. 9 is that the B-B of Fig. 7 is to cut-open view.
Figure 10 is that the measurement mechanism of the embodiment of the present invention is at the scheme of installation of thrust bearing inside.
Figure 11 is that the C-C of Figure 10 is to cut-open view.
Figure 12 is the application scheme figure of the measurement boats and ships airscrew thrust of the embodiment of the present invention.
embodiment
For making object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is described in further detail.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.In addition,, in each embodiment of described the present invention, involved technical characterictic just can combine mutually as long as do not form each other conflict.
The structural representation of the resistance-strain type of dynamometer meter of the embodiment of the present invention as shown in Figure 1.Dynamometer 1 is made up of steel cylinder 2, hermetically-sealed construction 3 and resistance strain gage 4.The top of steel cylinder 2 is supporting regions, and middle part is the stickup district of resistance strain gage 4, and bottom is installing zone, and middle part cross-sectional area has required calculating according to elastic limit of material intensity and linearity, and it is highly greater than diameter.The design of hollow-core construction can be put forward high measurement sensitivity, and lateral stability is good, under same bearer power condition, can reduce physical dimension.In conjunction with Fig. 2, eight sheet resistance foil gauges 4 stick on the more uniform steel cylinder of stress 2 middle parts, surface symmetrically, and wherein, resistance strain gage 4.1,4.2,4.3,4.4 is pasted vertically, and resistance strain gage 4.5,4.6,4.7,4.8 is along circumferentially pasting.Hermetically-sealed construction 3 welds with steel cylinder 2, forms enclosure space at the middle part of steel cylinder 2.Hermetically-sealed construction 3 middle parts have preformed hole 5, and preformed hole 5 use sealing buttons 6 cover, and the wire of resistance strain gage 4 is drawn by the through hole of sealing button 6.
Fig. 3 is the schematic diagram of the measuring method of the embodiment of the present invention.Resistance strain gage 4 adopts full-bridge wiring, the resistance strain gage 4.1 and 4.3,4.2 and 4.4 of pasting is vertically connected respectively, and in to arm position, in the time that pressure departs from steel cylinder 2 geometric centers generation moment of flexure, a tension in resistance strain gage 4.1 and 4.3, another pressurized, or a tension in resistance strain gage 4.2 and 4.4, another pressurized, the resistance value equal and opposite in direction, the symbol that cause are thus contrary, cancel out each other, and then eliminate the error that moment of flexure causes after overlapped in series; As temperature compensation sheet, play temperature compensation function along the resistance strain gage 4.5 and 4.7,4.6 and 4.8 of circumferentially pasting.The wire of resistance strain gage 4 is connected with wireless remote-measuring system 7, and wireless remote-measuring system 7 is made up of acquisition module 7.1, coding module 7.2 and transmitter module 7.3.Resistance strain gage 4 is converted to the deformation signal of steel cylinder 2 electric signal and exports to the acquisition module 7.1 of wireless remote-measuring system 7, settling signal pre-process and A/D conversion, coding module 7.2 is to the encoding digital signals gathering, accepted by computing machine 8 by transmitter module 7.3, computing machine 8 decodes, calculates, shows and store acknowledge(ment) signal, completes the measurement to thrust loading.Resistance strain gage 4 and wireless remote-measuring system 7 are all commercial goods, can require to select according to measuring accuracy.
Fig. 4 is the structural representation of horizontal through hole one side of the slide block of the embodiment of the present invention.Fig. 5 is the structural representation of Fig. 4 left side.Fig. 6 is the structural representation of Fig. 4 upper surface.Slide block 9 is wedges, and its upper surface 10 is surface levels, and lower surface 11 is tapered planes, and cross section is swallow-tail form, and small end face 12 and large end face 13 are all arc surfaces.Slide block 9 inside have non-penetrating cylindrical cavity 14, and for placing dynamometer 1, cylindrical cavity 14 inside surfaces have horizontal through hole 15, as the wire fairlead of dynamometer 1.
Fig. 7 is the structural representation of the backing plate of the embodiment of the present invention.Fig. 8 is that the A-A of Fig. 7 is to cut-open view.Fig. 9 is that the B-B of Fig. 7 is to cut-open view.Backing plate 16 is upper and lower dissection type loop configuration, along circumferentially evenly having multiple openings radial wedge dovetail groove 17 outwardly.The inner face 18 of wedge form wedge form dovetail groove 17 is arc surfaces, and bottom surface 19 is upper slanted plane, and the degree of tilt of bottom surface 19 meets friction " self-locking " condition, and the tangent value of degree of tilt is less than friction factor.
The wedge form wedge form dovetail groove 17 of slide block 9 and backing plate 16 matches, and slide block 9 is arranged in wedge form wedge form dovetail groove 17, and when installation, the small end face 12 of slide block 9 is aimed at the opening of wedge shape dovetail groove 17, and lower surface 11 fits tightly bottom surface 19 and slips into, until small end face 12 contacts inner face 18.Wedge form wedge form dovetail groove 17 not only plays the effect of fixing slide block 9, the more important installation and removal that are simple and easy slide block 9.For ensureing that slide block 9 and backing plate 16 have higher fatigue strength, both manufactured materials are high rigidity bearing steel.
Figure 10 is that the measurement mechanism of the embodiment of the present invention is at the scheme of installation of thrust bearing inside.Figure 11 is that the C-C of Figure 10 is to cut-open view.Measurement mechanism is made up of backing plate 16, slide block 9 and dynamometer 1, is installed between retainer 20 and housing 21.Dynamometer 1 is placed in the cylindrical cavity 14 of slide block 9, and another is fixed on dynamometer 1 and slide block 9 in the wedge form wedge form dovetail groove 17 of backing plate 16.On housing 21, have groove 22, in groove 22, place the block 23 matching.Block 23 middle parts have radial direction through hole 24, and inner face withstands slide block 9, and outer face is fixed by screws on housing 21.The wire of dynamometer 1 is drawn from the through hole 15 of slide block 9 and the through hole 24 of block 23 successively.For preventing possible oil leakage phenomenon, at the opening part of the through hole 24 of block 23, oil sealing 25 is set.Like this, thrust loading is passed to dynamometer 1 through thrust ring 26, thrust block pad 27, thrust block 28, supporting seat 29, retainer 20.
The squeezing action that dynamometer 1 is loaded due to long-term bearing thrust, easily produces fatigue, except using endurance material, also needs to consider the maintenance replacing in malfunction and failure situation.Said structure design of the present invention can effectively address this problem.In the time dynamometer 1 being overhauled to replacing, first turn on screw and move block 23, then moving slider 9 takes out together with dynamometer 1.Wedge form wedge form dovetail groove 17 can significantly reduce the taking-up difficulty of slide block 9, once the small end face 12 of slide block 9 departs from the inner face 18 of backing plate 16, dynamometer 1 just no longer contacts with the back side of retainer 20, slide block 9 is along the friction force that is not subject to retainer 20 in the moving process of wedge form wedge form dovetail groove 17, not only moving resistance reduces, and also effectively avoids dynamometer 1 to suffer secondary friction damage.
As an Application Example of the present invention, the present invention provides a kind of effective and feasible practical approach for propeller for vessels pushes away force measurement.Marine propuision system as shown in figure 12 comprises screw propeller 30, stern tube shaft 31, intermediate shaft 32 and thrust bearing 33, and measurement mechanism of the present invention is installed in thrust bearing 33.The thrust that screw propeller 30 produces with certain rotating speed rotation is passed to dynamometer 1 through stern tube shaft 31, intermediate shaft 32, thrust axis 34, thrust ring 26, thrust block pad 27, thrust block 28, supporting seat 29, retainer 20, steel cylinder 2 in dynamometer 1 deforms under thrust, deformation signal is converted to electric signal output by resistance strain gage 4, by wire transmission to wireless remote-measuring system 7, by wireless remote-measuring system 7, measuring-signal is fitted to tune, collection and transmitting and input in the testing software of computing machine 8, complete the measurement to this rotating speed airscrew thrust.Change revolution speed of propeller, duplicate measurements, obtains all airscrew thrusts in rotating speed interval, and then sets up the accurate relational expression of airscrew thrust and rotating speed.
Be difficult to the problem of measuring for thrust bearing thrust loading, the present invention is taking resistance-strain type of dynamometer method as basis, and be specifically installed between thrust block pad retainer and housing, not only do not affect the safety in operation of thrust bearing, problem, effective guarantee engineering practicability of the present invention are changed in the maintenance that also takes into full account dynamometer.
Those skilled in the art will readily understand; the foregoing is only a preferred embodiment of the present invention; not in order to limit the present invention, all any amendments of doing within spiritual thought of the present invention and principle, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (5)
1. the measurement mechanism of a thrust bearing thrust loading, by resistance-strain type of dynamometer meter being set between the thrust block pad retainer at thrust bearing and thrust bearing shell, thereby realize, the resistance-strain type of described thrust bearing is measured, be it is characterized in that, this measurement mechanism comprises:
Annular backing plate (16), its coaxial sleeve is located between the thrust block pad retainer (20) and thrust bearing shell (21) of thrust bearing, its peripheral end face is along circumferentially having multiple radial holes (17), and each radial hole (17) is the corresponding through hole (22) communicating with it that has at corresponding housing place, make described radial hole (17) can with exterior;
Slide block (9), it can be placed in the radial hole (17) of described annular backing plate (16) by the through hole on described housing (21), and can from described radial hole (17), extract outside housing (21) by the through hole on described housing (21);
Resistance-strain type of dynamometer meter (1), it is placed in described slide block (9), one end and described thrust block pad retainer (20) butt;
When thrust bearing carrying, load is by acting on described thrust block pad retainer (20) on resistance-strain type of dynamometer meter (1), respond to above-mentioned acting force by multiple resistance strain gages (4) of arranging in it, can measure the thrust loading of carrying on described thrust bearing.
2. the measurement mechanism of a kind of thrust bearing thrust loading according to claim 1, it is characterized in that, the side surface that described slide block (9) is relative with described thrust block pad retainer (20) has non-penetrating cylindrical cavity (14), is placed in wherein for described resistance-strain type of dynamometer meter (1).
3. the measurement mechanism of a kind of thrust bearing thrust loading according to claim 1 and 2, it is characterized in that, described slide block (9) is wedge, described radial hole (17) on corresponding described annular backing plate (16) is corresponding wedged hole, described slide block (9) can be moved relative to this wedged hole, from described radial hole (17), insert or extract thereby be convenient to described slide block (9).
4. the measurement mechanism of a kind of thrust bearing thrust loading according to claim 3, it is characterized in that, the side surface (10) that described slide block (9) is relative with described thrust block pad retainer (20) is plane, relative opposite side surface (11) is tapered plane, cross section is swallow-tail form, one side end face has the through hole (15) connecting with described cylindrical cavity (14), as the wire fairlead of resistance-strain type of dynamometer meter (1).
5. according to claim 1, the measurement mechanism of a kind of thrust bearing thrust loading in 2 or 4 described in any one, it is characterized in that, described resistance-strain type of dynamometer meter (1) comprises steel cylinder (2), hermetically-sealed construction (3) and multiple resistance strain gage (4), wherein the upper end of steel cylinder (2) is supporting region, be used for and described thrust block pad retainer (20) butt, on the cavity inner wall of middle part, symmetry is pasted with multiple resistance strain gages (4), be used for by thrust loading described in the deformation-sensing of supporting region, being connected with wire and being drawn out to by the perforate being arranged on the hermetically-sealed construction (3) of described steel cylinder (2) periphery the through hole (15) connecting with described cylindrical cavity (14) of each resistance strain gage (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420047581.XU CN203798480U (en) | 2014-01-24 | 2014-01-24 | Measuring device for measuring thrust loading of sliding thrust bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420047581.XU CN203798480U (en) | 2014-01-24 | 2014-01-24 | Measuring device for measuring thrust loading of sliding thrust bearing |
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| Publication Number | Publication Date |
|---|---|
| CN203798480U true CN203798480U (en) | 2014-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420047581.XU Withdrawn - After Issue CN203798480U (en) | 2014-01-24 | 2014-01-24 | Measuring device for measuring thrust loading of sliding thrust bearing |
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| CN (1) | CN203798480U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103776573A (en) * | 2014-01-24 | 2014-05-07 | 华中科技大学 | Measuring device and method for thrust loading of sliding thrust bearing, and application of measuring device and method |
| CN104931181A (en) * | 2015-06-18 | 2015-09-23 | 中国核动力研究设计院 | Measuring device used for measuring drop impact force of control rod |
| CN110594339A (en) * | 2019-09-30 | 2019-12-20 | 华中科技大学 | Thrust bearing internal communication balance oil cylinder connected with resonance converter |
-
2014
- 2014-01-24 CN CN201420047581.XU patent/CN203798480U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103776573A (en) * | 2014-01-24 | 2014-05-07 | 华中科技大学 | Measuring device and method for thrust loading of sliding thrust bearing, and application of measuring device and method |
| CN103776573B (en) * | 2014-01-24 | 2016-04-13 | 华中科技大学 | The measurement mechanism of slide thrust bearing thrust loading, method and application thereof |
| CN104931181A (en) * | 2015-06-18 | 2015-09-23 | 中国核动力研究设计院 | Measuring device used for measuring drop impact force of control rod |
| CN104931181B (en) * | 2015-06-18 | 2017-10-03 | 中国核动力研究设计院 | A kind of measurement apparatus for being used to measure Dropping of control rod impulsive force |
| CN110594339A (en) * | 2019-09-30 | 2019-12-20 | 华中科技大学 | Thrust bearing internal communication balance oil cylinder connected with resonance converter |
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