CN109520465A - The fixed device of the adjustable strain transducer of gauge length - Google Patents
The fixed device of the adjustable strain transducer of gauge length Download PDFInfo
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- CN109520465A CN109520465A CN201910017795.XA CN201910017795A CN109520465A CN 109520465 A CN109520465 A CN 109520465A CN 201910017795 A CN201910017795 A CN 201910017795A CN 109520465 A CN109520465 A CN 109520465A
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- connecting rod
- strain transducer
- connector
- lower link
- pedestal
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 50
- 239000010410 layer Substances 0.000 claims description 11
- 239000012790 adhesive layer Substances 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
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- 230000004308 accommodation Effects 0.000 claims 2
- 238000009434 installation Methods 0.000 abstract description 14
- 238000010586 diagram Methods 0.000 description 10
- 238000012544 monitoring process Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 4
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- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
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- 239000011248 coating agent Substances 0.000 description 1
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- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/32—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The purpose of the present invention is to provide one kind, and the strain transducer of different model can be fixed, and sensor fastening device that is easy for installation, will not generating deviation, which includes: two fixation kits, corresponding with two fixation holes respectively；And at least one connector, wherein, fixation kit has the connecting rod of pedestal and setting on the base for being fixed on pre-position, connecting rod is made of the upper connecting rod and lower link being rotatablely connected by shaft, lower link is rotated to strain transducer direction to fixed strain transducer after enabling lower link and upper connecting rod to pass through fixation hole, connector is Weak link part, and one end of the connector is fixedly connected with one in pedestal, and the other end is flexibly connected with another in pedestal.The present invention also provides another similar sensor fastening devices, and wherein the both ends of connector are connect with the base runner of two fixation kits respectively.
Description
Technical field
The invention belongs to structure monitoring fields, are related to a kind of sensor fastening device, and in particular to a kind of gauge length is adjustable
Strain transducer fixes device.
Background technique
Strain transducer can measure the deformation of works in such a way that mechanical deformation is converted to electric signal, therefore
It is widely used in structure monitoring field.
In use, strain transducer needs to be firmly-fixed to works surface to be measured so that strain transducer with
Works cooperative transformation simultaneously guarantees that strain transducer is not fallen off.There are two perforative fixations for currently used strain transducer tool
Hole, fixing device includes two screw bolt and nut for having pedestal, specific mounting means are as follows: pastes the pedestal with bolt
In body structure surface, bolt is inserted the sensors into, finally screws matching nut, strain transducer is fixed to be completed.
Although above-mentioned strain transducer fixing means can effectively fix sensor, drawback is also evident from: nut and
Nut separate design to lose one of them functionality for losing whole device；The position of sensor installation is typically also
Not easy-operating position (such as bridge bottom surface etc.) carries out tightening nut in this position and relatively expends energy, misoperation also rapid wear
Bad sensor.
Moreover, it since sensor has certain length and the sensor length of different model is different, is needed before installation
Distance has been measured with tools such as rulers and delimit the position of two standalone basis, makes the distance between standalone basis and fixation hole
The distance between it is corresponding, then could complete to install.Such mounting means is not only troublesome in poeration, when inaccuracy delimited in measurement
Also it is easy to produce deviation, the installation of sensor is caused to loosen, and then influences measurement accuracy and stability.
Summary of the invention
To solve the above problems, the strain transducer of different model can be fixed by providing one kind, and the side of installation
Just, the sensor fastening device that will not generate deviation, present invention employs following technical solutions:
Fixation the present invention provides a kind of fixed device of the adjustable strain transducer of gauge length, for will penetrate through there are two tools
The strain transducer in hole is mounted on to the installed position on geodesic structure characterized by comprising two fixation kits, respectively
It is corresponding with two fixation holes；And at least one connector, wherein fixation kit has for being fixed on pre-position
The connecting rod of pedestal and setting on the base, connecting rod are made of the upper connecting rod and lower link being rotatablely connected by shaft, so that
Lower link can rotate to fixed strain transducer, even to strain transducer direction after lower link and upper connecting rod pass through fixation hole
Fitting is Weak link part, and one end of the connector is fixedly connected with one in pedestal, another work in the other end and pedestal
Dynamic connection.
The fixed device of the adjustable strain transducer of gauge length provided by the invention, can also have such technical characteristic,
In, the receiving portion that the pedestal that is flexibly connected with the other end of connector is equipped with shape and connector matches, connector it is another
One end is accommodated in receiving portion.
The fixed device of the adjustable strain transducer of gauge length provided by the invention, can also have such technical characteristic,
In, the inner wall of receiving portion is equipped with rubber resistant layer.
The fixed device of the adjustable strain transducer of gauge length provided by the invention, can also have such technical characteristic,
In, Weak link part is connecting rod or connection sheet made of plastics or rubber, and pedestal is metal base.
The fixed device of the adjustable strain transducer of gauge length provided by the invention, can also have such technical characteristic,
In, connector is equipped with length scale.
The fixed device of the adjustable strain transducer of gauge length provided by the invention, can also have such technical characteristic,
In, connector is equipped with model scale corresponding with the size model number of strain transducer.
The fixed device of the adjustable strain transducer of gauge length provided by the invention, can also have such technical characteristic,
In, it is round and depth direction and shaft length direction that one of them of upper connecting rod and lower link are equipped with shape at rotating shaft position
Another of recessed portion in the same direction, upper connecting rod and lower link are equipped with shape at rotating shaft position and are ellipse and are embedded in recessed portion
Interior protrusion, recess be equipped with multiple arc grooves being along the circumferential direction distributed, the shape of protrusion both ends part with
Groove is corresponding, the relatively rotate position in rearward projection portion of upper connecting rod and lower link is limited by groove, to allow
Angle between upper connecting rod and lower link is fixed and then completes the fixation of pair of strain sensors.
The fixed device of the adjustable strain transducer of gauge length provided by the invention, can also have such technical characteristic,
In, it is round and depth direction and shaft length direction that one of them of upper connecting rod and lower link are equipped with shape at rotating shaft position
It is round and in recessed portion that another of recessed portion in the same direction, upper connecting rod and lower link are equipped with shape at rotating shaft position
Protrusion, recess is equipped with multiple the first ratchets being along the circumferential direction distributed, be equipped on the outside of protrusion it is multiple circumferentially
Second ratchet of directional spreding, the first ratchet are matched with the second ratchet, so that after upper connecting rod and lower link relatively rotate
Angle between the two is fixed and then completes the fixation of pair of strain sensors.
The fixed device of the adjustable strain transducer of gauge length provided by the invention, can also have such technical characteristic,
In, pedestal has fixed area far from the side of upper connecting rod, which is equipped with for pedestal fixation to be pasted onto installation
Adhesive-layer at position and the release layer being covered on adhesive-layer.
The present invention also provides the fixed devices of the adjustable strain transducer of another gauge length, and for that will have, there are two perforations
The strain transducer of fixation hole is mounted on to the installed position on geodesic structure characterized by comprising two fixation kits,
It is corresponding with two fixation holes respectively；And at least one connector, wherein fixation kit has for being fixed on predetermined position
The connecting rod of the pedestal and setting at place on the base, connecting rod are made of the upper connecting rod and lower link being rotatablely connected by shaft,
Lower link is rotated to strain transducer direction to fixed strain sensing after enabling lower link and upper connecting rod to pass through fixation hole
Device, connector are Weak link part, and the both ends of the connector are connect with the base runner of two fixation kits respectively.
Invention action and effect
According to the fixed device of the adjustable strain transducer of gauge length provided in this embodiment and bridge monitoring equipment, due to pedestal
Between be attached using connector, and pedestal is equipped with the upper connecting rod and lower connecting rod that are relatively rotatable to each other, therefore nothing
Need other additional parts that can be mounted on strain transducer on geodesic structure, it is not only easy to operate, moreover it is possible to part be avoided to lose
Non-serviceable drawback caused by and.
Since pedestal is connected with each other by the connector with certain length, one end of the connector passes through receiving portion and one
A base runner connection, therefore the distance between two pedestals can be moved in movable part by connector and be changed, so that
The distance between two connecting rods can be identical as the distance between the fixation hole of strain transducer, can not only prevent installation site
Deviation, additionally it is possible to be adapted to the strain transducer of different size signals.Further, connector is Weak link part, therefore will not be because
Connection design between pedestal introduces new measurement error.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the bridge monitoring equipment of the embodiment of the present invention one；
Fig. 2 is the structural schematic diagram of the fixed device of the adjustable strain transducer of gauge length of the embodiment of the present invention one；
Fig. 3 is the present invention looks up structural representation of the fixed device of the adjustable strain transducer of gauge length of the embodiment of the present invention one；
Fig. 4 is the structural schematic diagram of the fixation kit of the embodiment of the present invention one；
Fig. 5 is the enlarged diagram of the connection structure between the upper connecting rod and lower link of the embodiment of the present invention one；
Fig. 6 is the enlarged diagram of the connection structure between the upper connecting rod and lower link of the embodiment of the present invention two.
Specific embodiment
Illustrate a specific embodiment of the invention below in conjunction with attached drawing.
<embodiment one>
Fig. 1 is the use state diagram of the fixed device of the adjustable strain transducer of gauge length of the embodiment of the present invention one.
As shown in Figure 1, the fixed device 10 of the adjustable strain transducer of the gauge length of the present embodiment is for consolidating strain transducer 5
It is fixed to as on the bridge 1 to geodesic structure, so that the strain transducer 5 be allowed to be monitored bridge 1.Wherein, strain transducer 5
In rectangular shape, the fixation hole of a perforation is respectively provided on two ends of length direction.
Fig. 2 is the structural schematic diagram of the fixed device of the adjustable strain transducer of gauge length of the embodiment of the present invention one, and Fig. 3 is this
The present invention looks up structural representation of the fixed device of the adjustable strain transducer of the gauge length of inventive embodiments one.
As shown in Figures 2 and 3, there are two fixation kit 11 and three for the fixed tool of device 10 of the adjustable strain transducer of gauge length
A connector 4.
Fig. 4 is the structural schematic diagram of the fixation kit of the embodiment of the present invention one.
As shown in figs 2-4, fixation kit 11 includes pedestal 3 and connecting rod 2.
Pedestal 3 is metal base, is made by metal materials such as steel, cast iron, aluminium alloys.Its upper surface is flat table
Face, the flat surfaces are equipped with the fixed area of coating adhesive-layer, are additionally provided with release layer on adhesive-layer.In use, by release layer
It throws off, pedestal 3 can be pasted onto the predetermined installation site of bridge 1 by adhesive-layer.
Connector 4 is Weak link part, that is, the laminar piece made of the rigidity such as plastics, rubber lesser material.Such as Fig. 3
Shown, connector 4 is equipped with length scale.
As shown in figure 4, two fixation kits 11 respectively have a pedestal 3, therefore the sum of pedestal 3 is two.Wherein one
A pedestal 3 is equipped with a receiving portion, and the shape of the receiving portion and the cross sectional shape of connector 4 are adapted, and one of connector 4
End is contained in the receiving portion, so that connector 4 is flexibly connected with the pedestal 3；In addition, another end of connector 4 is solid
It is scheduled on another pedestal 3, therefore another end of connector 4 is fixedly connected with another pedestal 3.Due to connector 4
It is flexibly connected with a pedestal 3, is fixedly connected with another pedestal 3, therefore it can be moved relative to the pedestal 3 of flexible connection
It is dynamic, so that 4 length of connector between two pedestals 3 changes；Simultaneously as connector 4 is equipped with length scale, therefore
Length after variation can be read from the pedestal 3 of flexible connection, to indicate the distance between pedestal 3.
In the present embodiment, rubber antiskid layer is additionally provided on the inner sidewall of above-mentioned receiving portion, for preventing connector 4 from holding
It receives and occurs in portion voluntarily to slide or mobile.
Connecting rod 2 is made of upper connecting rod 2.1 and lower link 2.2, and upper connecting rod 2.1 is fixed on the lower surface of pedestal 3 and and base
Seat 3 is integrally formed, and length is corresponding with the thickness of strain transducer 5.
The upper end of lower link 2.2 and the lower end of upper connecting rod 2.1 are rotatablely connected by shaft, that is, upper connecting rod 2.1 is under
Through hole is all had on connecting rod 2.2, shaft is also cross two through holes；Meanwhile both ends of the shaft is respectively provided with positioned at upper connecting rod
2.1 and the outside of lower link 2.2 flange part (not shown), pass through shaft between upper connecting rod 2.1 and lower link 2.2 as a result,
It is also fixed together by the shaft while rotation connection.
Fig. 5 is the enlarged diagram of the connection structure between the upper connecting rod and lower link of the embodiment of the present invention one.
As shown in figure 5, the lower end of upper connecting rod 2.1 is equipped with circular recessed portion 2.1.1, the recessed portion at rotating shaft position
2.1.1 inside is equipped with multiple arc groove 2.1.2 (a part is only shown in figure) being distributed uniformly and circumferentially.
The upper end of lower link 2.2 is equipped with oval protrusion 2.2.1, and protrusion 2.2.1 is embedded in recessed portion
2.1.1 interior.The length of protrusion 2.2.1 is corresponding with the diameter of recessed portion 2.1.1, and the both ends part of protrusion 2.2.1
Shape is corresponding with groove 2.1.2, and in stationary state, the both ends of protrusion 2.2.1 are just respectively embedded in positioned at recessed portion
2.1.1 in the two groove 2.1.2 of same diametrically.As a result, when lower link 2.2 is rotated relative to upper connecting rod 2.1, dash forward
Portion 2.2.1 is played to be detached from from two original groove 2.1.2, and be embedded in after rotation other two be located at it is same diametrically
Groove 2.1.2.
By the connection structure between above-mentioned upper connecting rod 2.1 and lower link 2.2, lower link 2.2 can be relative to upper company
Angle is fixed after bar 2.1 rotates, to realize lock function.In addition, the locking gear of lower link 2.2 (can be locked
Position) it is corresponding with the position of groove 2.1.2, correspondingly, two locking gears between angles also just with it is two neighboring recessed
Angle α of the central point of slot 2.1.2 on recessed portion 2.1.1 circumferencial direction is corresponding.In the present embodiment, α is 5 °.
Below in conjunction with the fixed setting method of the bridge monitoring equipment 100 of Detailed description of the invention the present embodiment.
Firstly, the exposed length of the length dimension adjustment connector 4 of strain transducer 5 is (calm by connector 4 as needed
Receive and slightly pull out in portion or fill in inside) so that the distance between two pedestals 3 change, allow between two connecting rods 2 away from
It is identical from the distance between two fixation holes with strain transducer 5.
After connector 4 adjusts, the release layer on pedestal 3 is thrown off, in the case where connector 4 keeps straight by two
A pedestal 3 is respectively adhered on bridge 1.
Then, two fixation holes of strain transducer 5 are each passed through connecting rod 2, due to the length and strain of upper connecting rod 2.1
The thickness of sensor 5 is corresponding, therefore the downside surface of strain transducer 5 and the upper end of lower link 2.2 are flush at this time.Turn
Dynamic lower link 2.2, when going to horizontal direction, lower link 2.2 can block the downside surface of strain transducer 5 just, this is at present
Connecting rod 2.2 is also locked because of groove 2.1.2 and protrusion 2.2.1, and strain transducer 5 just passes through the adjustable strain sensing of gauge length
The fixed device 10 of device has been fixed on bridge 1.
The effect and effect of embodiment
According to the fixed device of the adjustable strain transducer of gauge length provided in this embodiment and bridge monitoring equipment, due to pedestal
Between be attached using connector, and pedestal is equipped with the upper connecting rod and lower connecting rod that are relatively rotatable to each other, therefore nothing
Need other additional parts that can be mounted on strain transducer on geodesic structure, it is not only easy to operate, moreover it is possible to part be avoided to lose
Non-serviceable drawback caused by and.
Since pedestal is connected with each other by the connector with certain length, one end of the connector passes through receiving portion and one
A base runner connection, therefore the distance between two pedestals can be moved in movable part by connector and be changed, so that
The distance between two connecting rods can be identical as the distance between the fixation hole of strain transducer, can not only prevent installation site
Deviation, additionally it is possible to be adapted to the strain transducer of different size signals.Further, connector is Weak link part, therefore will not be because
Connection design between pedestal introduces new measurement error.
In embodiment, since the inner wall of receiving portion is equipped with rubber antiskid layer, the exposed length of connector has been adjusted
Independently sliding or mobile will not occur after finishing, can prevent the exposed length of connector in installation operating process from changing.Separately
Outside, the exposed length of connector can also be read by length scale, if therefore operate when accidentally draw connector and cause
Exposed length variation can be readjusted only by the length scale reading before variation, without that will strain repeatedly
Sensor takes back comparison adjustment.
In embodiment, since the connection structure between upper connecting rod and lower link can be realized locking, strain transducer
Fixing-stable, it is not easy to fall or loosen.Meanwhile it only needing to rotate lower link when installation and can complete the fixed behaviour of sensor
Make, rotation lower link can carry out extraction sensor operations, therefore the adjustable strain transducer of gauge length of the present embodiment when disassembly
The disassembling operations of fixed device are easily accomplished, and the replacement of strain transducer is also easy to accomplish.
<embodiment two>
In the present embodiment two, for the structure being the same as example 1, gives identical symbol and omit identical theory
It is bright.
The difference of the structure of the present embodiment two and embodiment one is the connection structure between upper connecting rod 2.1 and lower link 2.2.
Fig. 6 is the enlarged diagram of the connection structure between the upper connecting rod and lower link of the embodiment of the present invention two.
As shown in fig. 6, the upper connecting rod 2.1 and lower link 2.2 of the present embodiment are realized also by shaft and are rotatablely connected, while on
Connecting rod 2.1 also is provided with recessed portion 2.1.1 at rotating shaft position.
What is different from the first embodiment is that the protrusion 2.2.2 being arranged on lower link 2.2 is corresponding with recessed portion 2.1.1
Round protrusion, the inner sidewall of recessed portion 2.1.1 is equipped with equally distributed multiple first ratchet 2.1.3 and (only shows one in figure
A first ratchet 2.1.3), the outer surface of protrusion 2.2.2 is equipped with equally distributed multiple second ratchet 2.2.3.First
Ratchet 2.1.3 and the second ratchet 2.2.3 is that (an edge protrusion diametrical direction of i.e. single ratchet extends inclination ratchet, separately
On one side it is circular shape), and the inclined direction of the two is opposite (i.e. the circular shape side of the two is opposite).First ratchet 2.1.3
It cooperates with the second ratchet 2.2.3, so that lower link 2.2 is merely able to rotate in one direction, and due between ratchet
Snap-in function and can not be rotated in the opposite sense.
This connection structure of the present embodiment be unlocked lower link 2.2 can not after locking, compared with embodiment one,
Lower link 2.2 is more difficult to loosen, therefore fixed function is stronger, and strain transducer 5 is more difficult to be loosened.But due to not being able to rotate
Unlock needs to destroy connecting rod 2 when removing strain transducer 5, therefore disassembly is more difficult, suitable for not needing to dismantle substantially after installation
Occasion.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that the ordinary skill of this field is without wound
The property made labour, which according to the present invention can conceive, makes many modifications and variations.Therefore, all technician in the art
Pass through the available technology of logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Scheme, all should be within the scope of protection determined by the claims.
For example, recessed portion is arranged in upper connecting rod in embodiment, protrusion is arranged on lower link, but in this hair
In bright, which can also be in turn, that is, recessed portion is arranged on lower link, and protrusion is arranged in upper connecting rod.
In embodiment, connector is the form of three connecting rods being parallel to each other, but in the present invention, the quantity of connecting rod
Can also with when other quantity, connector can also use thin connection sheet form.
In embodiment, the fixed area of pedestal is equipped with adhesive-layer and release layer, convenient for being fixed in no viscose glue.
But in the present invention, fixed area can also be not provided with adhesive-layer and release layer, in addition when installation is pasted i.e. with adhesive
It can.
In embodiment, one end of connector is connect by receiving portion with a base runner, the other end then with another base
Seat is fixedly connected, and such form can allow one end length scale corresponding relationship being fixedly connected not change, and facilitate root
The practical exposed length of connector is judged according to the length scale reading of one end of flexible connection and is further judged between pedestal
Distance.However in the present invention, connector can also be such in such a way that both ends are connect with two base runners respectively
Connection type leads to needs when reading while reading both ends reading and inconvenience relatively, but since both ends are all to be flexibly connected, because
The length variable quantity that this connector can expose is flexibly connected more than one end in embodiment, can be with more size model numbers
Strain transducer is adapted.
In addition, the length scale on connector is only corresponding with the length of connector itself, it is therefore desirable to root in embodiment
The practical exposed length that connector is judged according to length scale reading, then judges the distance between pedestal again.But in the present invention
In, in order to be further simplified installation operation, the scale of connector is also designed to direct with the size model number of strain transducer
Corresponding model scale, when the pedestal for being flexibly connected end is adjusted at corresponding model scale, between two connecting rods away from
The distance between the fixation hole of strain transducer from exactly corresponding model.Such model scale, which can allow, installs operator
Member is directly adjusted connector in place according to the model of strain transducer, without carrying out ratio repeatedly according to strain transducer
To adjusting.
In embodiment, recess is provided with groove.But it in the present invention, can also be in recess circumference
Groove is set in a part, such as is 5 ° according to adjacent grooves angle in 45 ° of circumference ranges and is evenly distributed with grooves, or according to adjacent
FLUTE ANGLE is 9 ° of uniformly distributed grooves etc..These modes also can be realized self-locking function, and numbers of gear steps is reasonable, angle between gear
Degree is suitable.
Claims (10)
1. a kind of fixed device of the adjustable strain transducer of gauge length, the strain transducer of the fixation hole for that will penetrate through there are two tools
It is mounted on to the installed position on geodesic structure characterized by comprising
Two fixation kits, it is corresponding with two fixation holes respectively；And
At least one connector,
Wherein, the fixation kit has the company of pedestal and setting on the base for being fixed on the pre-position
Bar,
The connecting rod is made of the upper connecting rod being rotatablely connected by shaft and the lower link so that the lower link and it is described on
The lower link can be rotated to the strain transducer direction to which the fixed strain passes after connecting rod passes through the fixation hole
Sensor,
The connector is Weak link part, and one end of the connector is fixedly connected with one in the pedestal, the other end and institute
State another flexible connection in pedestal.
2. the fixed device of the adjustable strain transducer of gauge length according to claim 1, it is characterised in that:
Wherein, the pedestal being flexibly connected with the other end of the connector is equipped with shape and the connector phase
The receiving portion matched,
The other end of the connector is accommodated in described accommodation section.
3. the fixed device of the adjustable strain transducer of gauge length according to claim 2, it is characterised in that:
Wherein, the inner wall of described accommodation section is equipped with rubber resistant layer.
4. the fixed device of the adjustable strain transducer of gauge length according to claim 1, it is characterised in that:
Wherein, the Weak link part is connecting rod or connection sheet made of plastics or rubber,
The pedestal is metal base.
5. the fixed device of the adjustable strain transducer of gauge length according to claim 1, it is characterised in that:
Wherein, the connector is equipped with length scale.
6. the fixed device of the adjustable strain transducer of gauge length according to claim 1, it is characterised in that:
Wherein, the connector is equipped with model scale corresponding with the size model number of the strain transducer.
7. the fixed device of the adjustable strain transducer of gauge length according to claim 1, it is characterised in that:
Wherein, it is round and depth that one of them of the upper connecting rod and the lower link are equipped with shape at the rotating shaft position
Another of direction and shaft length direction recessed portion in the same direction, the upper connecting rod and the lower link are in the shaft
The protrusion that shape is ellipse and is embedded in the recessed portion is equipped at position,
The recess be equipped with multiple arc grooves being along the circumferential direction distributed, the shape of protrusion both ends part with
The groove is corresponding, after the upper connecting rod and the lower link are relatively rotated the position of the protrusion by
The groove limitation, to make the angle between the upper connecting rod and the lower link fixed and then complete to the strain sensing
The fixation of device.
8. the fixed device of the adjustable strain transducer of gauge length according to claim 1, it is characterised in that:
Wherein, it is round and depth that one of them of the upper connecting rod and the lower link are equipped with shape at the rotating shaft position
Another of direction and shaft length direction recessed portion in the same direction, the upper connecting rod and the lower link are in the shaft
It is protrusion round and in the recessed portion that shape is equipped at position,
The recess is equipped with multiple the first ratchets being along the circumferential direction distributed, and is equipped on the outside of the protrusion multiple along circle
Second ratchet of circumferential direction distribution,
First ratchet is matched with second ratchet, so that after the upper connecting rod and the lower link relatively rotate
The fixation that angle between the two is fixed and then completion is to the strain transducer.
9. the fixed device of the adjustable strain transducer of gauge length according to claim 1, it is characterised in that:
Wherein, the pedestal has a fixed area far from the side of the upper connecting rod, which is equipped with for will be described
The fixed release layer for being pasted onto the adhesive-layer of the installed position and being covered on the adhesive-layer of pedestal.
10. a kind of fixed device of the adjustable strain transducer of gauge length, the strain sensing of the fixation hole for that will penetrate through there are two tools
Device is mounted on to the installed position on geodesic structure characterized by comprising
Two fixation kits, it is corresponding with two fixation holes respectively；And
At least one connector,
Wherein, the fixation kit has the company of pedestal and setting on the base for being fixed on the pre-position
Bar,
The connecting rod is made of the upper connecting rod being rotatablely connected by shaft and the lower link so that the lower link and it is described on
The lower link can be rotated to the strain transducer direction to which the fixed strain passes after connecting rod passes through the fixation hole
Sensor,
The connector is Weak link part, and the both ends of the connector connect with the base runner of two fixation kits respectively
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910017795.XA CN109520465A (en) | 2019-01-08 | 2019-01-08 | The fixed device of the adjustable strain transducer of gauge length |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910017795.XA CN109520465A (en) | 2019-01-08 | 2019-01-08 | The fixed device of the adjustable strain transducer of gauge length |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109520465A true CN109520465A (en) | 2019-03-26 |
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| CN111420490A (en) * | 2020-03-25 | 2020-07-17 | 南京华士电子科技有限公司 | Suspension type air inlet filter cotton fixing structure and fixing method |
| CN113713511A (en) * | 2021-08-02 | 2021-11-30 | 南京华士电子科技有限公司 | External small-space filter screen structure |
| CN113798884A (en) * | 2021-10-11 | 2021-12-17 | 哈尔滨理工大学 | Adjustable sensor fixing device used in milling process |
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