CN206056595U - A kind of pulley bracket for plumb line vertical deflection sensor - Google Patents
A kind of pulley bracket for plumb line vertical deflection sensor Download PDFInfo
- Publication number
- CN206056595U CN206056595U CN201620894898.6U CN201620894898U CN206056595U CN 206056595 U CN206056595 U CN 206056595U CN 201620894898 U CN201620894898 U CN 201620894898U CN 206056595 U CN206056595 U CN 206056595U
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- pulley
- backboard
- vertical
- support
- hinged
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Abstract
This utility model provides a kind of pulley bracket for plumb line vertical deflection sensor, including：Backboard, first pulley, second pulley, hinged-support and base support；First pulley is arranged on the top of backboard and vertical with the bearing of trend of backboard, and inner edges are abutted with vertical line；Second pulley is arranged on the bottom of backboard and vertical with the bearing of trend of backboard, and its outward flange is abutted with vertical line；The inward flange of first pulley is less than the outward flange of second pulley and the vertical dimension of backboard with the vertical dimension of backboard；Hinged-support is arranged on the middle part of backboard, for fixing DC linear displacement transducer；Base support is arranged on the bottom of backboard, for accommodating the weight for being connected to vertical line end, and for pulley bracket is fixed on mounting surface so that backboard is perpendicular to mounting surface.Using this utility model by realize that application of high accuracy DCLVDT in the detection of plumb line vertical deflection provides a kind of tie bracket, the high-acruracy survey of plumb line vertical deflection is solved the problems, such as.
Description
Technical field
This utility model is related to the structure monitoring technical field in civil engineering, more particularly to a kind of vertical for plumb line
The pulley bracket of shift sensor.
Background technology
In the prior art, it is applied to the plumb line vertical deflection test dress of the large-scale structures such as nuclear plant safety shell structure
Put and generally comprise：Point equipment 11, invar wire vertical line 12, vertical line protection sleeve pipe, weight 13, vernier depth gauge 14 and fixed
Seat 15, (eliminates vertical line protection sleeve pipe) as shown in Figure 1 in Fig. 1.This kind of method in Nuclear Safety shell structure vertical deflection
Jing is widely applied.
As shown in figure 1, in plumb line vertical deflection test device in the prior art, vernier depth gauge with fixed
Seat is connected as one, and is not produced relative displacement, is considered as an entirety；Hold-down support is then fixed on containment by embedded mode and mixes
Solidifying earth foundation base plate, and sole plate is connected with basement rock.When containment body of wall measuring point is produced under test or temperature load effect
During raw vertical displacement, invar wire vertical line can drive vernier depth gauge scale registration to change.Therefore, it is fixed on containment base
Hold-down support on plinth base plate, can be used as fixed point, and measuring point can then pass through depth vernier calliper with respect to the change of fixed point distance
Chi is obtained.
However, the limited precision of slide gauge, it is difficult to meet high-precision measurement demand.Accordingly, it would be desirable to use direct current
Linear displacement transducer (DCLVDT) replaces slide gauge to measure.But, after sensor type changes, existing skill
Slide gauge bearing in the plumb line vertical deflection test device of art can not meet the use requirement of DCLVDT, therefore,
Need to propose a kind of new tie bracket to meet test and the safety requirements of novel sensor DCLVDT.
Utility model content
In view of this, this utility model provides a kind of pulley bracket for plumb line vertical deflection sensor, so as to
To realize that application of high accuracy DCLVDT in the detection of plumb line vertical deflection provides a kind of tie bracket, plumb line is solved
The high-acruracy survey problem of vertical deflection.
What the technical solution of the utility model was specifically realized in：
A kind of pulley bracket for plumb line vertical deflection sensor, including：Backboard, first pulley, second pulley, hinge
Bearing and base support；
The first pulley is arranged on the top of the backboard and, first cunning vertical with the bearing of trend of the backboard
The inward flange of wheel is abutted with the vertical line；
The second pulley is arranged on the bottom of the backboard and, second cunning vertical with the bearing of trend of the backboard
The outward flange of wheel is abutted with the vertical line；
Outward flange and institute of the vertical dimension of the inward flange of the first pulley and the backboard less than the second pulley
State the vertical dimension of backboard；
The hinged-support is arranged on the middle part of the backboard, for fixing DC linear displacement transducer so that described straight
The incline direction of stream linear displacement transducer is consistent with the incline direction of vertical line；
The base support is arranged on the bottom of the backboard, for accommodating the weight for being connected to the vertical line end, and
For pulley bracket is fixed on mounting surface so that the backboard is perpendicular to mounting surface.
Preferably, the second pulley is additionally provided with regulation clamp device with the junction of the backboard；
The regulation clamp device adjusts for the adjustment before and after second pulley is planar carried out to second pulley
The vertical dimension of two pulleys and the backboard, and second pulley is fixed on the backboard.
Preferably, the chute slided up and down for the hinged-support is provided with the backboard；
It is provided with the hinged-support and the hinged-support is fixed on into the fixing device on the chute.
Preferably, the hinged-support includes：Pad is female, can fix spherical hinge, table is pressed from both sides and wing nut；
The female bottom of the pad is fixedly connected with backboard；The female front portion of the pad is provided with to accommodate described can fix ball pivot
The accommodating chamber of the bulb of chain；
The table folder, for clamping DC linear displacement transducer；Be provided with the table folder ball pivot is fixed for described
The through hole that the pin rod of chain is passed through；
The bulb for fixing spherical hinge is arranged on the female anterior receiving intracavity of the pad；The spherical hinge fixed
Pin rod is connected through table folder with the wing nut.
Preferably, the edge of the base support is provided with many guard bars, it is enclosed in around the weight.
Preferably, the bottom centre of the base support is provided with fixing hole, for base support is fixed on mounting surface
On.
Preferably, the bottom of the base support is additionally provided with least many foundation seat adjustment bolts, for pulley bracket
Entirety be adjusted so that the backboard is perpendicular to mounting surface.
Preferably, the back side of the backboard is provided with ribbed stiffener.
Preferably, the first pulley with diameter greater than or less than the diameter of the second pulley.
As seen from the above technical solution, in the pulley bracket for plumb line vertical deflection sensor of the present utility model
In, due to being provided with two pulleys and a hinged-support so that vertical line under the common constraint of two pulleys, in two pulley institutes
Moving forward and backward in plane planar can not be produced again, and can only be produced and be moved up and down, constrain vertical line in unwanted side
To movement, reduce measurement error；Meanwhile, hinged-support can also cause inclination of the incline direction with vertical line for being fixed DCLVDT
Direction is consistent, therefore, when measuring point produces vertical displacement, vertical line pulls on the measurement bar of DCLVDT and moves up and down, and obtains accurate
Displacement data, so as to realize that application of high accuracy DCLVDT in the detection of plumb line vertical deflection provides one kind about bundle branch
Frame, the pulley bracket can coordinate DCLVDT to use, and solve the problems, such as the high-acruracy survey of plumb line vertical deflection so that safety
Shell structure displacement monitoring automatic updating be achieved, change past artificial reading mode, improve certainty of measurement with
And automaticity, for the application of electric detecting technology also has positive effect.
Description of the drawings
Fig. 1 is the structural representation of plumb line vertical deflection test device of the prior art.
Fig. 2 is that the pulley bracket for plumb line vertical deflection sensor in this utility model embodiment is erected with plumb line
To the connection diagram of displacement test device.
Structural representations of the Fig. 3 for the pulley bracket for plumb line vertical deflection sensor in this utility model embodiment
Figure.
Stereochemical structures of the Fig. 4 for the pulley bracket for plumb line vertical deflection sensor in this utility model embodiment
Schematic diagram.
Side views of the Fig. 5 for the pulley bracket without base support in this utility model embodiment.
A-A views of the Fig. 6 for Fig. 5.
Specific embodiment
To make the technical solution of the utility model and advantage become more apparent, below in conjunction with drawings and the specific embodiments,
This utility model is described in further detail.
Fig. 2 is that the pulley bracket for plumb line vertical deflection sensor in this utility model embodiment is erected with plumb line
To displacement test device connection diagram, Fig. 3 be this utility model embodiment in for plumb line vertical deflection sensor
Pulley bracket structural representation, Fig. 4 be this utility model embodiment in the cunning for plumb line vertical deflection sensor
The dimensional structure diagram of wheel support.
As shown in Figure 2 to 4, the pulley bracket for plumb line vertical deflection sensor in this utility model embodiment
Including：Backboard 20, first pulley 21, second pulley 22, hinged-support 23 and base support 24；
The first pulley 21 is arranged on the top of the backboard 20 and vertical with the bearing of trend of the backboard 20, described
The inward flange of first pulley 21 is abutted with the vertical line 12；
The second pulley 22 is arranged on the bottom of the backboard 20 and vertical with the bearing of trend of the backboard 20, described
The outward flange of second pulley 22 is abutted with the vertical line 12；
Outside of the vertical dimension of the inward flange of the first pulley 21 and the backboard 20 less than the second pulley 22
The vertical dimension of edge and the backboard 20；
The hinged-support 23 is arranged on the middle part of the backboard 20, for fixing DC linear displacement transducer 25
(DCLVDT) so that the incline direction of the DC linear displacement transducer 25 is consistent with the incline direction of vertical line 12；
The base support 24 is arranged on the bottom of the backboard 20, for accommodating the weight for being connected to 12 end of the vertical line
Hammer 13, and for pulley bracket is fixed on mounting surface so that the backboard 20 is perpendicular to mounting surface.
In above-mentioned pulley bracket, two pulleys are provided with：First pulley and second pulley.Therefore, vertical line is vertically arrived
During up to first pulley, will be constrained by first pulley, do not produced the out-of-plane movement of first pulley；In the same manner, when vertical line is vertical
When reaching second pulley, also will be constrained by second pulley, do not produced the out-of-plane movement of second pulley.Due to first pulley
Inward flange and the backboard vertical dimension less than the outward flange and the backboard of the second pulley vertical dimension, therefore
Vertical line will produce deflection, no longer vertically in the plane that first pulley and second pulley are located after first pulley.And
When vertical line is after second pulley, vertical line in the presence of weight will continue to keep vertical；And, the weight of weight can be with
Vertical line is stretched, it is to avoid the phenomenon of bending occurs in vertical line.Vertical line under the common constraint of first pulley and second pulley, first
Pulley and second pulley planar can not produce movable in plane again, and can only produce and move up and down.In addition, quilt
The incline direction of the DCLVDT that hinged-support is fixed is consistent with the incline direction of vertical line, therefore, when measuring point produces vertical displacement, hang down
Line pulls on the measurement bar of DCLVDT and moves up and down, and obtains accurate displacement data.
In addition, the pulley used in above-mentioned pulley bracket so that vertical line can drive pulley rotation, vertical line can more than
Lower movement, therefore produce the test of effective vertical displacement；And, it is rotary during pulley, thus can reduce vertical line with
Friction between pulley, so as to also not interfere with effective transmission of displacement.
Preferably, in specific embodiment of the utility model, the first pulley with diameter greater than or less than described the
The diameter of two pulleys, i.e., the diameter of described first pulley are unequal with the diameter of second pulley.Therefore, the inward flange of first pulley
With the outward flange of second pulley not on a vertical line, such that it is able to control the spacing of vertical line so that vertical line will not be because of the external world
The interference of air-flow produces the vibration in horizontal direction and waves.
Preferably, in specific embodiment of the utility model, the junction of the second pulley 22 and the backboard 20
It is additionally provided with regulation clamp device 221；The regulation clamp device 221 in the institute of second pulley 22 planar to described the
Two pulleys 22 are adjusted before and after carrying out, and adjust the vertical dimension of second pulley 22 and the backboard 20, and second pulley 22 is fixed
On the backboard 20, no longer produce movable.
Preferably, in specific embodiment of the utility model, being provided with the backboard 20 on the hinged-support 23
The chute (not shown) of lower slider；It is provided with the hinged-support 23 and the hinged-support 23 is fixed on the chute
Fixing device (for example, fastening bolt).
Or, preferably, as shown in Figure 5 and Figure 6, in specific embodiment of the utility model, the hinged-support 23 is wrapped
Include：Pad female 231, spherical hinge 232, table folder 233 and wing nut 234 can be fixed；
The bottom of the pad female 231 is fixedly connected with backboard 20 (for example, as illustrated, the bottom of the pad female 231 passes through
Screw rod 235 is fixedly connected with backboard 20)；The front portion of the pad female 231 is provided with and can accommodate the ball that can fix spherical hinge 232
The accommodating chamber of head；
The table folder 233, for clamping DC linear displacement transducer 25；Be provided with table folder 233 for it is described can
The through hole that the pin rod of fixed spherical hinge 232 is passed through；
The bulb for fixing spherical hinge 232 is arranged on the receiving intracavity of female 231 front portion of the pad；It is described to fix ball
The pin rod of hinge 232 is connected through table folder 233 with the wing nut 234.
Therefore, in the technical solution of the utility model, can be by the regulation to hinged-support, so as to ensure DCLVDT's
Incline direction is consistent with the incline direction of vertical line, reduces the measurement bar of DCLVDT and the friction of sensor sleeve, so as to ensure position
The transmission of shifting does not produce excessive loss, to meet error control requirement.Through the check actual with amesdial at scene, using 50m
When long invar wire (i.e. vertical line) carries out displacement transmission, composite measurement error is smaller than 0.06mm, fully meets and controls in 0.1mm
Requirement.
Preferably, in specific embodiment of the utility model, the back side of the backboard 20 is provided with ribbed stiffener 201, use
In the vertical plane external stability for strengthening pulley bracket.
Preferably, in specific embodiment of the utility model, the edge of the base support 24 is provided with many (examples
Such as, 3) guard bar 241, it is enclosed in around the weight 13, for avoiding weight 13 from being subject to extraneous false hit.
Preferably, in specific embodiment of the utility model, the bottom centre of the base support 24 is provided with fixation
Hole 240, for base support 24 is fixed on mounting surface.
Preferably, in specific embodiment of the utility model, the bottom of the base support 24 is additionally provided with least many
Root (for example, 3) base adjustment bolt 242, for being adjusted to the entirety of pulley bracket so that the backboard is perpendicular to peace
Dress face (for example, ground), i.e. the, so that entirety of the pulley bracket is perpendicular to mounting surface.
In sum, in the technical solution of the utility model, as two cunnings are provided with above-mentioned pulley bracket
Wheel and a hinged-support so that vertical line planar can not be produced again in two pulleys under the common constraint of two pulleys
It is movable in plane, and can only produce and move up and down, vertical line is constrained in the movement in unwanted direction, reduce measurement
Error；Meanwhile, hinged-support can also cause the incline direction for being fixed DCLVDT consistent with the incline direction of vertical line, therefore, work as survey
When point produces vertical displacement, vertical line pulls on the measurement bar of DCLVDT and moves up and down, and obtains accurate displacement data, so as to for real
Now application of high accuracy DCLVDT in the detection of plumb line vertical deflection provides a kind of tie bracket, and the pulley bracket can be matched somebody with somebody
Close DCLVDT use, solve the problems, such as the high-acruracy survey of plumb line vertical deflection so that containment structure displacement monitoring from
Dynamicization upgrading is achieved, and changes past artificial reading mode, improves certainty of measurement and automaticity, for electricity
The application of survey technology also has positive effect.
Preferred embodiment of the present utility model is the foregoing is only, it is not to limit this utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements done etc. should be included in this utility model
Within the scope of protection.
Claims (9)
1. a kind of pulley bracket for plumb line vertical deflection sensor, it is characterised in that include：Backboard, first pulley,
Two pulleys, hinged-support and base support；
The first pulley is arranged on the top of the backboard and vertical with the bearing of trend of the backboard, the first pulley
Inward flange is abutted with the vertical line；
The second pulley is arranged on the bottom of the backboard and vertical with the bearing of trend of the backboard, the second pulley
Outward flange is abutted with the vertical line；
Outward flange and the back of the body of the vertical dimension of the inward flange of the first pulley and the backboard less than the second pulley
The vertical dimension of plate；
The hinged-support is arranged on the middle part of the backboard, for fixing DC linear displacement transducer so that the direct current is straight
The incline direction of linear movement pick-up is consistent with the incline direction of vertical line；
The base support is arranged on the bottom of the backboard, for accommodating the weight for being connected to the vertical line end, and is used for
Pulley bracket is fixed on mounting surface so that the backboard is perpendicular to mounting surface.
2. pulley bracket according to claim 1, it is characterised in that the junction of the second pulley and the backboard is also
It is provided with regulation clamp device；
The regulation clamp device is slided for the adjustment before and after second pulley is planar carried out to second pulley, adjustment second
The vertical dimension with the backboard is taken turns, and second pulley is fixed on the backboard.
3. pulley bracket according to claim 1, it is characterised in that：
The chute slided up and down for the hinged-support is provided with the backboard；
It is provided with the hinged-support and the hinged-support is fixed on into the fixing device on the chute.
4. pulley bracket according to claim 1, it is characterised in that the hinged-support includes：Pad is female, can fix ball pivot
Chain, table folder and wing nut；
The female bottom of the pad is fixedly connected with backboard；The female front portion of the pad is provided with to accommodate described can fix spherical hinge
The accommodating chamber of bulb；
The table folder, for clamping DC linear displacement transducer；It is provided with table folder for the spherical hinge of fixing
The through hole that pin rod is passed through；
The bulb for fixing spherical hinge is arranged on the female anterior receiving intracavity of the pad；The pin rod for fixing spherical hinge
It is connected through table folder with the wing nut.
5. pulley bracket according to claim 1, it is characterised in that：
The edge of the base support is provided with many guard bars, is enclosed in around the weight.
6. pulley bracket according to claim 1, it is characterised in that：
The bottom centre of the base support is provided with fixing hole, for base support is fixed on mounting surface.
7. pulley bracket according to claim 1, it is characterised in that：
The bottom of the base support is additionally provided with least many foundation seat adjustment bolts, for adjusting to the entirety of pulley bracket
Section so that the backboard is perpendicular to mounting surface.
8. pulley bracket according to claim 1, it is characterised in that：
The back side of the backboard is provided with ribbed stiffener.
9. pulley bracket according to claim 1, it is characterised in that：
The first pulley with diameter greater than or less than the diameter of the second pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620894898.6U CN206056595U (en) | 2016-08-17 | 2016-08-17 | A kind of pulley bracket for plumb line vertical deflection sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620894898.6U CN206056595U (en) | 2016-08-17 | 2016-08-17 | A kind of pulley bracket for plumb line vertical deflection sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206056595U true CN206056595U (en) | 2017-03-29 |
Family
ID=58380891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620894898.6U Withdrawn - After Issue CN206056595U (en) | 2016-08-17 | 2016-08-17 | A kind of pulley bracket for plumb line vertical deflection sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206056595U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106092072A (en) * | 2016-08-17 | 2016-11-09 | 中冶建筑研究总院有限公司 | A kind of pulley bracket for plumb line vertical deflection sensor |
| CN110440772A (en) * | 2019-09-20 | 2019-11-12 | 中冶建筑研究总院有限公司 | A kind of plumb line multiple spot three-dimensional displacement test macro and its test data processing method |
-
2016
- 2016-08-17 CN CN201620894898.6U patent/CN206056595U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106092072A (en) * | 2016-08-17 | 2016-11-09 | 中冶建筑研究总院有限公司 | A kind of pulley bracket for plumb line vertical deflection sensor |
| CN110440772A (en) * | 2019-09-20 | 2019-11-12 | 中冶建筑研究总院有限公司 | A kind of plumb line multiple spot three-dimensional displacement test macro and its test data processing method |
| CN110440772B (en) * | 2019-09-20 | 2024-03-29 | 中冶建筑研究总院有限公司 | Plumb line multipoint three-dimensional deflection test system and test data processing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170329 Effective date of abandoning: 20190122 |