CN107543486B - A kind of adaptive dynode of condenser type tensile-line instrument - Google Patents
A kind of adaptive dynode of condenser type tensile-line instrument Download PDFInfo
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- CN107543486B CN107543486B CN201710498566.5A CN201710498566A CN107543486B CN 107543486 B CN107543486 B CN 107543486B CN 201710498566 A CN201710498566 A CN 201710498566A CN 107543486 B CN107543486 B CN 107543486B
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Abstract
The present invention relates to a kind of adaptive dynodes of condenser type tensile-line instrument, including two capacitor plate disposed in parallel and the dynode being placed between two capacitor plates, it further include moving freely mechanism: the leading axle for moving freely mechanism and including bracket and being connect with bracket, the leading axle capacitor plate in parallel, the bracket both ends are fixed with two the first supports being oppositely arranged, the dynode both ends are separately fixed on first support at bracket both ends, first support is equipped with arc-shaped slot, the mechanism that moves freely is suspended on the tension wire by the arc-shaped slot；Axially free position-limit mechanism: the axially free position-limit mechanism includes the Horizontal limiting notch of vertical capacitor pole plate setting, and described leading axle one end connect with the bracket, and one end is across the Horizontal limiting notch and hanging.Apparatus of the present invention are not influenced by tension wire length, line footpath, measuring point quantity variation, can adjust automatically, self-return, the adaptive dynode for automatically achieving balance.
Description
Technical field
The present invention relates to a kind of adaptive dynodes of condenser type tensile-line instrument, belong to condenser type tensile-line instrument technical field.
Background technique
Condenser type tensile-line instrument is mounted in the collimation of tension wire set by hydraulic structure or Other Engineering building system
On the measuring point of system, the instrument that each measuring point of building is displaced perpendicular to wire body horizontal direction is measured.Equipment is incuded using differential capacitor
The non-contacting ratio measure mode of principle, by measuring the dynode being fixed on tension wire body and being fixed at measuring point in instrument
The ratio variation of two capacitors caused by relative position variation between two parallel plate electrodes, the position by measuring point relative to tension wire become
Change is converted to the output of capacity ratio variable quantity.Measurement capacity ratio can measure displacement of the monitoring point relative to tension wire.
Hydraulic structure or the tension wire colimated light system of Other Engineering building horizontal displacement detection setting at present, tension wire
Using stainless steel wire, length is different due to the difference of building, but generally also in 200m or so, meanwhile, monitoring point is basic
All in outdoor environment, tension wire is affected by temperature length of expanding with heat and contract with cold and changes greatly.Described in paragraph as above, the electricity applied at present
Appearance formula tensile-line instrument, to guarantee detection accuracy, dynode is fixed on tension wire, and therefore, tension wire expands with heat and contract with cold length
Variation, necessarily cause dynode to follow the movement of tension wire.The actual use of the instrument also indicates that: this movement is not only to inspection
It surveys precision to have an adverse effect, in the big area of summer in the winter temperature difference, it occur frequently that the phenomenon that dynode removes capacitor plate, causes to examine
Measured data inaccuracy or failure；During atual detection, to be determined for guarantee detection accuracy and accuracy according to temperature change
Phase implements the position of manual inspection, adjustment dynode relative capacity pole plate, time-consuming, inconvenient.
In addition, the dynode of application product is impaling formula at present, dynode must be penetrated from one end of tension wire, this is more
On the tension wire colimated light system of point detection, installation, maintenance is all extremely inconvenient；The line footpath of tension wire with its length it is different also not to the utmost
Identical, usually in Φ 0.8~Φ 1.5mm, in this way, need to configure the dynode in different pore size section again, otherwise dynode will appear
Difficulty penetrates or cannot reach the problem of being reliably fixed, and influences detection accuracy.
Above-mentioned actual application problem instrument-based manufactures and designs and is not changed shadow by tension wire length, line footpath, measuring point quantity
Ring, can adjust automatically, self-return, automatically achieve balance (static) and the adaptive dynode of elimination of level perturbed force just seems
It is very necessary.
Summary of the invention
It is an object of the invention to solve the design and technical deficiency of the fixed dynode of existing product, provide it is a kind of not by
Tension wire length, line footpath, the variation of measuring point quantity influence, and energy adjust automatically, self-return automatically achieve balance (static) and eliminate
The adaptive dynode of horizontal disturbance power.
To achieve the goals above, the technical solution used in the present invention are as follows: during a kind of condenser type tensile-line instrument is adaptive
Between pole including two capacitor plate disposed in parallel and the dynode being placed between two capacitor plates further include moving freely mechanism:
The leading axle for moving freely mechanism and including bracket and connecting with bracket, the leading axle capacitor plate in parallel are described
Bracket both ends are fixed with two the first supports being oppositely arranged, and the dynode both ends are separately fixed at first support at bracket both ends
On, first support is equipped with arc-shaped slot, it is described move freely mechanism by the arc-shaped slot be suspended on it is described draw open
On line；
Axially free position-limit mechanism: the axially free position-limit mechanism includes the Horizontal limiting slot of vertical capacitor pole plate setting
Mouthful, described leading axle one end connect with the bracket, and one end is across the Horizontal limiting notch and hanging.
Further, on the bracket, the Horizontal limiting notch is by two water for leading axle one end rotation connection
The gap that flat limit shaft is formed, vertically the capacitor plate is arranged the Horizontal limiting axis and both ends are rotatably connected on the second support
On.
Further, two arc-shaped slot highest point line and the dynode are axially parallel.
Further, circumferentially on the rotating shaft, the rotation axis both ends are rotatably connected on described for setting for the arc-shaped slot
On one support, the rotation axis is axially perpendicular to tension wire setting.
Further, first support is equipped with two opposite support plates, and the rotation axis both ends are transferred on by bearing
In two support plates.
It further, include hanging plate and back-shaped hook on first support, the back-shaped hook both ends are fixed on hanging plate.
Further, second support is insulation vibration isolating suspension, and the capacitor plate is fixed on second support, institute
It states Horizontal limiting axis to be fixed on second support by bearing and bearing block, second support and the capacitor plate
Vibration isolation slot is equipped between contact surface and second support and the contact surface of the bearing block, the vibration isolation slot weakens bearing
The vibration of capacitor plate caused by seat vibrates.
Further, the diameter width difference of the Horizontal limiting width of rebate and the leading axle is less than 2mm.
Further, first support is equipped with the cable-through hole passed through for intergrade conducting wire, the intergrade conducting wire with
The intergrade is welded to connect.
Further, the dynode both ends are equipped with end insulating joint, the dynode be threadably secured be connected to it is described
On first support.
The mechanism carrying dynode that moves freely in the present invention does free shifting along tension wire under the driving being self-possessed jointly
It moves and finally achieves gravitational equilibrium i.e. stationary state.Axially free position-limit mechanism is then free to move axially to moving freely mechanism
Implement stroke freely limits, it may be assumed that restriction axial stroke while, when movement reaches balance (static), horizontal disturbance power also oneself
Dynamic to disappear, on the other hand, except axis is outside, the movement of remaining direction is then entirely free on his, noiseless power.
Installation of the dynode on tension wire can also be used in the insignificant situation of resistance to sliding using hanging installation
The installation of hanging, impaling, tension wire with wear, be that circular arc is contacted with the point or line of circular arc between hanging hang structure, the arc groove that tension wire passes through
Diameter is greater than tension wire maximum line footpath (such as >=Φ 2.0mm), therefore dynode installation is not by tension wire length, line footpath, measuring point quantity
Limitation, installation, maintenance is convenient.
Part manufacturing of the present invention, assembling product are simple, and largely use standard component, and anufacturability is good.
The present invention it is producible the utility model has the advantages that 1, the present invention in move freely mechanism can with tension wire movement do position tune
It is whole, so that tension wire is ultimately at the highest point of arc-shaped slot, can final adjustment be tension wire it is axially parallel with intergrade；2, originally
Movement of the mechanism in tension wire direction is moved freely by the constraint of axially free position-limit mechanism in invention, locates intergrade always
Between two capacitor plates, intergrade is overcome in traditional tensile-line instrument because intergrade caused by the variation of tension wire length deviates two
Capacitor plate；3, the second support in the present invention is equipped with shock insulation slot, and Horizontal limiting axis can be prevented to be transmitted on the second support
Vibration reaches capacitor plate, influences measurement accuracy；4, the arc groove in the present invention is suitable for the tension wire of different-diameter, among this
Grade is not limited by tension wire diameter；5, the arc groove in the present invention is assemblied on the first support, can be freely disassembled, thus each
Intergrade be it is relatively independent, can freely be disassembled and installed from tension wire.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the axonometric drawing that a kind of embodiment of the invention saves side capacitor plate.
Fig. 1-1 is a kind of structural schematic diagram of the main view of embodiment of the invention.
Fig. 1-2 is a kind of structural schematic diagram of the left view of embodiment of the invention.
Fig. 2-1 is the structural schematic diagram of the main view of forked type hook of the invention.
Fig. 2-2 is the structural schematic diagram of the left view of forked type hook of the invention.
Fig. 3 is the structural schematic diagram of the main view of guide wheel shaft of the invention.
Fig. 4 is the structural schematic diagram of the main view of bearing cap of the invention.
Fig. 5-1 is the structural schematic diagram of the main view of bracket of the invention.
Fig. 5-2 is the structural schematic diagram of the top view of bracket of the invention.
Fig. 6 is the structural schematic diagram of the main view of bearing holder (housing, cover) of the invention.
Fig. 7 is the structural schematic diagram of the main view of leading axle of the invention.
Fig. 8-1 is the structural schematic diagram of the main view of end insulating bolt connector of the invention.
Fig. 8-2 is the structural schematic diagram of the left view of end insulating bolt connector of the invention.
Fig. 9-1 is the structural schematic diagram of the main view of insulation vibration isolating suspension of the invention.
Fig. 9-2 is the structural schematic diagram of the left view of insulation vibration isolating suspension of the invention.
Fig. 9-3 is the structural schematic diagram of the top view of insulation vibration isolating suspension of the invention.
Figure 10-1 is the structural schematic diagram of the main view of bearing block of the invention.
Figure 10-2 is the structural schematic diagram of the left view of bearing block of the invention.
Figure 11 is the structural schematic diagram of the main view of Horizontal limiting axis of the invention.
Figure 12-1 is the main view of the first support in embodiment 2；
Figure 12-2 is the left view of the first support in embodiment 2；
Figure 13-1 is the main view of the first support in embodiment 3；
Figure 13-2 is the left view of the first support in embodiment 3；
Figure 14 is the main view of back-shaped hook in embodiment 3；
Figure 15-1 is the main view of piercing structure in embodiment 4；
Figure 15-2 is the left view of piercing structure in embodiment 4.
Meaning marked in the figure: 1- moves freely mechanism, 101- forked type hook, 102- screw, 103,104- bearing, 105-
Bearing holder (housing, cover), 106- supporting plate, 108- leading axle, 109- guide wheel shaft, 110- bearing cap, the first support of 111-；2- dynode, 201-
Pole pipe, 202- nut, the end 203- insulating joint；The axially free position-limit mechanism of 3-, 301- Horizontal limiting axis, 302- bearing block,
The second support of 303-, 304,305- screw, 4, capacitor plate, 5, tension wire, 6, pedestal.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following embodiment is only used for clearly illustrating the present invention
Technical solution, and not intended to limit the protection scope of the present invention.
Fig. 1 is the structural schematic diagram for the axonometric drawing that a kind of embodiment of the invention saves side capacitor plate 4, and the present invention mentions
A kind of adaptive dynode of condenser type tensile-line instrument out, including move freely mechanism 1, dynode 2, axially free position-limit mechanism 3.
Fig. 1-1 and Fig. 1-2 is structural representation and the assembling relationship figure of the main view and left view of a kind of implementation of the invention respectively.It is intermediate
Pole 2, which is fixed on, to be moved freely in mechanism 1, is moved freely mechanism 1 and is mounted on tension wire 5 and drives dynode 2 along 5 axis of tension wire
To free movement, axially free position-limit mechanism 3 is fixed on plant bottom case 6.The lower section for moving freely mechanism 1, being provided with can water
The flat leading axle 108 being freely rotated, axially free position-limit mechanism 3 along 5 vertical direction of tension wire be provided with 2 be parallel to each other, can
The Horizontal limiting axis 301 that vertical is freely rotated；When tension wire is mobile, effect of the leading axle 108 in mechanism self weight and limit shaft 301
Under, driving moves freely the realization free movement of mechanism 1 and about 2 dynode, front and back, and is finally reached without horizontal perturbed force
Gravitational equilibrium (static), remains unchanged the relative position of tension wire and intergrade.
Dynode 2 includes: the end insulating joint 203 of locking nut 202,2 of pole pipe 201,2, and it is exhausted that pole pipe both ends are equipped with end
Edge connector 203, end insulating joint 203 are equipped with threaded post, and pole pipe 201 is assemblied in the first support by threaded post and nut 202
On 111.
Axially free position-limit mechanism 3 includes: 2 bearing block 302,2 of the second support 303,2 Horizontal limiting axis 301, more
A assembly fixing screws 304,305；Second support 303 is insulation vibration isolating suspension, and 301 vertical capacitor pole plate 4 of Horizontal limiting axis is set
It sets, both ends are fixed on insulation vibration isolating suspension 303 by bearing 103 and bearing block 302.
Fig. 2-1 and Fig. 2-2 is the structure schematics of the main and left views of forked type hook of the invention respectively, and forked type is hung
Bearing pilot hole 1016,1019, limited step hole 1017, U-lag 1018, dynode pilot hole 1012, use are provided on hook 101
In the cable-through hole 1013 for passing through intergrade conducting wire, screw hole 1014 for being assemblied on supporting plate 106,1011 He of bearing stationary plane
Assembly screw hole 1015.
Fig. 3 is the main view of guide wheel shaft of the invention, and guide wheel shaft 109 is bilateral symmetry, and axis both ends are provided with screw thread
1091,5 arc groove 1092 of tension wire is arranged in centre setting ring flange 1094, the intermediate of ring flange 1094, ring flange 1094
Limited step 1093 is arranged in both ends, and bearing is arranged between screw thread 1091 and limited step 1093 and assembles axle journal 1095.
Fig. 4 is the main view of bearing cap of the invention, and bearing cap 110 is provided with avoid holes 1101, screw via hole 1102 and
Corresponding lug 1103.
Fig. 5-1 and Fig. 5-2 is the structure schematics of the main and left views of bracket of the invention, supporting plate 106 respectively
Both ends are provided with long trough heavy platform screw via hole 1061, and setting bearing mounting hole 1064 in centre limits via hole 1063, bearing suit
With screw hole 1062.
Fig. 6 is the main view of bearing holder (housing, cover) of the invention, and bearing holder (housing, cover) 105 is provided with bearing pilot hole 1054, reinforcement via hole
1052, ring flange 1051, screw via hole 1053.
Fig. 7 is the main view of leading axle of the invention, and leading axle 108 is provided with end thread 1081, step bearing journal
1082、1083。
Fig. 8-1 and Fig. 8-2 is the structure schematics of the main and left views of end insulating bolt connector of the invention respectively,
The locating journal 2032 and stud 2031 of the assembly of mechanism 1 are provided with and moved freely on the insulating bolt connector 203 of end, are filled with pole pipe
There are polygon stop flange disk 2033, setting cable-through hole 2035 and porus excretorius 2036 in disk in the positioning spigot 2034 matched, centre.
Pole pipe 201 is positioned between insulating bolt connector 203 with seam allowance 2034 using rigid connection.
Fig. 9-1, Fig. 9-2, Fig. 9-3 are main view, left view and the top view of insulation vibration isolating suspension of the invention respectively
Structural schematic diagram is provided with interior support 3031 on the vibration isolating suspension 303 that insulate, vibration isolation slot 3032, polar plate bracket 3034, pole plate assembly
Screw hole 3033, bearing block assemble screw hole 3035, screw via hole 3036.
Figure 10-1 and Figure 10-2 is the structure schematics of the main and left views of bearing block of the invention, bearing block respectively
Bearing hole 3022, avoid holes 3031, screw via hole 3023 are set on 302.
Figure 11 is the structural schematic diagram of the main view of Horizontal limiting axis of the invention, and 301 both ends of Horizontal limiting axis are provided with
Bearing assembles axle journal 3011.
The structure that the difference is that only the first support 111 of the present embodiment and embodiment 1, the first support 111 include pawl
The rotating device on claw type hook is linked up with and be rotatably connected on to shape, and the rotating device in the present embodiment is arc grooved roller A103, rolling
Wheel shaft A102 is the axis across arc grooved roller A103, and arc grooved roller A103 can be freely rotated using roller shaft A102 as axis, Figure 12-
1 and Figure 12-2 is the structural schematic diagram of the main view of the first support of the present embodiment 111, left view respectively.First support 111 packet
Include: claw type links up with A101, roller shaft A102, arc grooved roller A103, screw A104, bearing cap A105, locks swivel nut A106, anticreep
Resilient key A107, locked by hooks nut A108.
The structure that the difference is that only the first support 111 of the present embodiment and embodiment 1, Figure 13-1 and Figure 13-2 difference
It is the first support of a kind of embodiment 111 in the insignificant situation of resistance to sliding of the present invention between tension wire and arc groove
The structural schematic diagram of main view, left view.First support 111 includes: hanging plate B101, links up with fixing screws B102, stainless steel wire
Back-shaped hook B103, the back-shaped hook B103 of stainless steel wire are fixed on hanging plate B101.
Figure 14 is a kind of main view of back-shaped hook of the invention, is provided with arc groove on the back-shaped hook B103 of stainless steel wire
B1031, the fixing groove B1032 for being fixed with hanging plate.
The structure that the difference is that only the first support 111 of the present embodiment and embodiment 1, Figure 15-1 and Figure 15-2 difference
It is that the main view of another embodiment piercing structure of the present invention in the insignificant situation of resistance to sliding, the structure of left view are shown
It is intended to.First support 111 includes: hanging plate C101, bearing C102, is connected and fixed screw C103, dynode C2, and tension wire passes through axis
Hold C102 setting.
The present invention has the advantages that following six.
One, the adaptive approach of self-driving type.Using earth gravitational field free state principle, is driven with self weight, freely limited
It is realized with the method for guidance adaptive.
Two, self weight driving.Driving is reformed certainly by move freely mechanism 1, dynode 2 etc., is not necessarily to additional driving force.
Three, adaptive.Under the driving of self weight, by freely limit with guidance, dynode adjust automatically, self-return,
Balance (static) and elimination of level perturbed force are automatically achieved, it is final to keep earth gravitational field free state.Not by 5 heat expansion of tension wire
The influence of shrinkage length variation, application environment wide adaptability.
Four, structure is simple.1. without additional driving force；2. dynode and tension wire 5 are a little or the contact free of line, nothing are opposite
Fixed structure；3. guide wheel shaft, hook, piercing structure are relatively all fairly simple, and part is also without special in addition to roller structure is slightly complicated
Or more complex construction, convenient for producing in enormous quantities；4. bearing, fastener are all made of standard component.
Five, install, safeguard it is simple and convenient.Mount, impaling installation it is optional, not by 5 length of tension wire, the limit of measuring point quantity
System.
Six, good manufacturability.Part processing is both without special or nothing compared with high-tech requirement, in addition to dynode component, remaining each part
Between can freely fill, tear open.In addition, assembling product is simple.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of adaptive dynode of condenser type tensile-line instrument, including two capacitor plate disposed in parallel and it is placed in two capacitor plates
Between dynode, it is characterised in that: further include
Move freely mechanism: the leading axle for moving freely mechanism and including bracket and connecting with bracket, the leading axle are parallel
The capacitor plate, the bracket both ends are fixed with two the first supports being oppositely arranged, and the dynode both ends are separately fixed at
On first support at bracket both ends, first support is equipped with arc-shaped slot, and the mechanism that moves freely passes through the arc
Card slot is suspended on the tension wire；
Axially free position-limit mechanism: the axially free position-limit mechanism includes the Horizontal limiting notch of vertical capacitor pole plate setting,
Described leading axle one end is connect with the bracket, and one end passes through the Horizontal limiting notch and hanging.
2. the adaptive dynode of condenser type tensile-line instrument according to claim 1, it is characterised in that: described leading axle one end
On the bracket, the Horizontal limiting notch is the gap formed by two Horizontal limiting axis for rotation connection, the horizontal limit
Vertically the capacitor plate is arranged position axis and both ends are rotatably connected on the second support.
3. the adaptive dynode of condenser type tensile-line instrument according to claim 1, it is characterised in that: two arc-shaped slots
Highest point line and the dynode are axially parallel.
4. the adaptive dynode of condenser type tensile-line instrument according to claim 1, it is characterised in that: the arc-shaped slot mouth
Circumferential to be arranged on rotating device, the rotating device both ends are rotatably connected on first support, and the rotating device turns
Moving axis is arranged perpendicular to tension wire.
5. the adaptive dynode of condenser type tensile-line instrument according to claim 4, it is characterised in that: on first support
Equipped with two opposite support plates, the rotation axis both ends are transferred in two support plates by bearing.
6. the adaptive dynode of condenser type tensile-line instrument according to claim 1, it is characterised in that: on first support
Including hanging plate and back-shaped hook, the back-shaped hook both ends are fixed on hanging plate.
7. the adaptive dynode of condenser type tensile-line instrument according to claim 1, it is characterised in that: the second support is insulation
Vibration isolating suspension, the capacitor plate are fixed on second support, and the Horizontal limiting axis is fixed by bearing and bearing block
On second support, the contact surface and second support and the bearing block of second support and the capacitor plate
Contact surface between be equipped with vibration isolation slot, the vibration isolation slot weakens capacitor plate caused by vibration of bearings and vibrates.
8. the adaptive dynode of condenser type tensile-line instrument according to claim 1, it is characterised in that: the Horizontal limiting slot
The diameter width difference of mouth width degree and the leading axle is less than 2mm.
9. the adaptive dynode of condenser type tensile-line instrument according to claim 1, it is characterised in that: on first support
Equipped with the cable-through hole passed through for intergrade conducting wire, the intergrade conducting wire and the intergrade are welded to connect.
10. the adaptive dynode of condenser type tensile-line instrument according to claim 1, it is characterised in that: the dynode two
End is equipped with end insulating joint, and the dynode, which is threadably secured, to be connected on first support.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710498566.5A CN107543486B (en) | 2017-06-26 | 2017-06-26 | A kind of adaptive dynode of condenser type tensile-line instrument |
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| CN201710498566.5A CN107543486B (en) | 2017-06-26 | 2017-06-26 | A kind of adaptive dynode of condenser type tensile-line instrument |
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| CN107543486B true CN107543486B (en) | 2019-10-15 |
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| CN109029624B (en) * | 2018-06-07 | 2019-12-24 | 国家电网有限公司 | Water level monitoring and alarming system of tension line pontoon |
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| CN206974360U (en) * | 2017-06-26 | 2018-02-06 | 国电南京自动化股份有限公司 | A kind of adaptive dynode of condenser type tensile-line instrument |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CH621199A5 (en) * | 1978-05-29 | 1981-01-15 | Sofisa Societe Financiere Sa | |
| CN85201038U (en) * | 1985-04-01 | 1986-04-09 | 水利电力部南京自动化研究所 | Capacitive sensing testing device with bilateral coordinates |
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| CN105058348A (en) * | 2015-07-15 | 2015-11-18 | 徐州工程学院 | Bench vice with scribing device |
| CN205219316U (en) * | 2015-12-16 | 2016-05-11 | 浙江鼎兴建设有限公司 | Prevent electric saw of cutting skew |
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| CN107543486A (en) | 2018-01-05 |
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