CN206311110U - A kind of calibrating installation of vertical plumb line measuring system - Google Patents
A kind of calibrating installation of vertical plumb line measuring system Download PDFInfo
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- CN206311110U CN206311110U CN201621290863.8U CN201621290863U CN206311110U CN 206311110 U CN206311110 U CN 206311110U CN 201621290863 U CN201621290863 U CN 201621290863U CN 206311110 U CN206311110 U CN 206311110U
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- fixture
- base plate
- vertical
- top board
- plumb line
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Abstract
The utility model provides a kind of calibrating installation of vertical plumb line measuring system.The device includes:Mounting platform, hoistable platform, fixture and rangefinder;Mounting platform includes:Base, boss and guide rail;Floor installation is in the upper end of the vertical deflection guiding trestle of vertical plumb line measuring system;Boss is arranged on the top of base;Guide rail is arranged on the side of boss;Hoistable platform includes:Base plate, top board, screw rod and coupling assembly;Base plate is arranged on boss and is fixedly connected with boss;Coupling assembly is set between the bottom panel and top panel;Screw rod is used to control coupling assembly to be moved such that top board occurs the vertical displacement perpendicular to base plate relative to base plate;Fixture is fixed on the top board of hoistable platform, for clamping plumb line;State rangefinder to be arranged on guide rail and positioned at the top of fixture, for the vertical displacement of measured material.The field calibration to vertical plumb line measuring system can be realized using the utility model.
Description
Technical field
The application is related to the structure monitoring technical field in civil engineering, more particularly to a kind of vertical plumb line measuring system
Calibrating installation.
Background technology
The size of heavy construction structure is general all than larger.For example, nuclear plant safety shell structure stack shell is circular shell knot
Structure, wall thickness is more than or equal to 900mm, and diameter is about 19mm, and height is about 70m.Because containment structure is in strength test pressure
In power load or accident under press loading effect, stack shell shell structure can deform in vertical direction, at Practical Project scene,
Vertical deformation using vertical collimation method to heavy construction structure under normal circumstances is monitored or tests.To nuclear power plant containment shell
When the vertical deformation of structure is tested, reference point is generally the basic valve plate of containment structure.
Generally using vertical deformation of the vertical plumb line measuring system to above-mentioned heavy construction structure in the prior art is carried out
Monitoring is tested.Fig. 1 is the structural representation of vertical plumb line measuring system of the prior art, as shown in figure 1, the vertical lead
Vertical line measuring system includes:Plumb line (generally using invar wire), displacement transducer, vertical deflection guiding trestle and weight.Its
In, vertical deflection guiding trestle is arranged on reference point (for example, basic valve plate of containment structure), upper end and the survey of plumb line
Pilot is connected, and the other end is connected through vertical deflection guiding trestle with weight, and displacement transducer is arranged on vertical deflection and is oriented to branch
On frame, and with vertical linear contact lay, the misalignment for obtaining measurement point is measured such that it is able to the displacement by plumb line.Wherein,
Above-mentioned displacement transducer can typically use DC linear displacement transducer (DC-LVDT).
When the vertical deformation using vertical plumb line measuring system to above-mentioned heavy construction structure is monitored or tests,
Generally require and first the vertical plumb line measuring system is calibrated.In current state of the art, typically all using experiment
Room standardization is calibrated, i.e., install the staking-out work of completion DC-LVDT before test at the scene.However, device subscript at the scene
Determine DC-LVDT vertical line coordinate systems and be one must to do but the larger work of difficulty, the problem is not all obtained all the time
It is resolved well.
Utility model content
In view of this, the utility model provides a kind of calibrating installation of vertical plumb line measuring system, such that it is able to reality
Now to the field calibration of vertical plumb line measuring system.
What the technical solution of the utility model was specifically realized in:
A kind of calibrating installation of vertical plumb line measuring system, the calibrating installation includes:Mounting platform, hoistable platform, folder
Tool and rangefinder;
Wherein, the mounting platform includes:Base, boss and guide rail;
The floor installation is in the upper end of the vertical deflection guiding trestle of vertical plumb line measuring system;The boss is set
On the top of base;The guide rail is arranged on the side of the boss;
The hoistable platform includes:Base plate, top board, screw rod and coupling assembly;The base plate is arranged on the mounting platform
Boss on and be fixedly connected with the boss;The coupling assembly is arranged between the base plate and top board;The screw rod
For controlling the coupling assembly to be moved such that there is the vertical displacement perpendicular to base plate relative to base plate in the top board;
The fixture is fixed on the top board of the hoistable platform, for clamping plumb line;
The rangefinder is arranged on the guide rail of the mounting platform and positioned at the top of the fixture, described for measuring
The vertical displacement of fixture.
Preferably, the coupling assembly of the hoistable platform includes:First fixture, the second fixture, the 3rd fixture,
Four fixtures, X supports, connector and limited block;
First fixture and the second fixture are separately positioned on the two ends of the upper surface of the base plate;
3rd fixture and the 4th fixture are separately positioned on the two ends of the lower surface of the top board;
First fixture and the 3rd fixture are correspondingly arranged at same one end of the base plate and top board;
It is provided with first fixture and the 3rd fixture and passed through for connecting rod and slided along base plate bearing of trend
Slotted eye;
The through hole passed through for connecting rod is provided with second fixture and the 4th fixture;
The X supports include two support bar components, two support bar components be respectively arranged at the top board and base plate it
Between both sides, each support bar component includes the support bars of two central crossbars connection;Two ends of support bar component are with
The heart is interconnected by connecting rod;Two connecting rods of the end of support bar component of connection are each passed through on four fixtures
Through hole or slotted eye;
The limited block is arranged on the top board side of the one end for being provided with the 3rd fixture;The limited block
On be provided with the screw passed through for the screw rod of the hoistable platform;
The connector is provided through the middle part of the connecting rod of the slotted eye of the 3rd fixture;The one of the connector
End is provided with the screw for screwing in and connecting for the screw rod of the hoistable platform.
Preferably, being provided with screw or through hole on the top board and base plate of the hoistable platform.
Preferably, the fixture includes:Clamp bottom board and clamping part;
The clamping part is fixed on one end of the clamp bottom board and vertical with the clamp bottom board;
The groove passed through for plumb line is provided with the clamping part;The side of the clamping part is provided with one or more
Clamping screw;The screw rod of the clamping screw is extend into the groove through the screw on the clamping part side.
Preferably, setting grooved hole on the clamp bottom board;The bearing of trend of the slotted eye prolongs with the clamp bottom board
Stretch direction consistent.
Preferably, the rangefinder is digital display height meter;
The digital display height meter is fixedly connected by measuring appliance fixture with the guide rail of the mounting platform, the digital display height
The gauge head of meter is abutted with the upper surface of the clamp bottom board of the fixture.
Preferably, the lower end of the base of the mounting platform is additionally provided with stage+module fixture;
Screw or through hole are provided with the stage+module fixture.
As seen from the above technical solution, because the upper end of the vertical deflection guiding trestle in vertical plumb line measuring system is pacified
Install after above-mentioned calibrating installation, first using the clamp plumb line in above-mentioned calibrating installation can then rotate described
Screw rod on hoistable platform, controls the connecting rod to be moved so that the top board of the hoistable platform occurs relative to base plate
Vertical displacement (for example, moving up and down), and then drive fixture and plumb line that identical vertical displacement also occurs.Now, set
Rangefinder in the top of the fixture is the measurable vertical displacement for obtaining the fixture, and then can know the vertical of plumb line
Displacement, such that it is able to the displacement transducer in the vertical plumb line measuring system being equally connected with plumb line (for example, DC-
LVDT) calibrated, it is achieved thereby that to the field calibration of vertical plumb line measuring system, with measure convenient, high precision, can
By property it is strong the features such as.
Brief description of the drawings
Fig. 1 is the structural representation of vertical plumb line measuring system of the prior art.
Fig. 2 is the scheme of installation of the calibrating installation in the utility model embodiment and vertical plumb line measuring system.
Fig. 3 is the overall structure diagram of the calibrating installation in the utility model embodiment.
Fig. 4 is the structural representation of the mounting platform in the utility model embodiment.
Fig. 5 is the structural representation one of the hoistable platform in the utility model embodiment.
Fig. 6 is the structural representation two of the hoistable platform in the utility model embodiment.
Fig. 7 is the structural representation three of the hoistable platform in the utility model embodiment.
Fig. 8 is the scheme of installation of the fixture in the utility model embodiment and the top board of hoistable platform.
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,
The utility model is described in further detail.
Fig. 2 is the scheme of installation of the calibrating installation in the utility model embodiment and vertical plumb line measuring system, Fig. 3
It is the overall structure diagram of the calibrating installation in the utility model embodiment, Fig. 4 is the installation in the utility model embodiment
The structural representation of platform.As shown in Figure 2 to 4, the calibrating installation is arranged on the vertical deflection of vertical plumb line measuring system
The upper end of guiding trestle, the calibrating installation includes:Mounting platform 11, hoistable platform 12, fixture 13 and rangefinder 14;
Wherein, the mounting platform 11 includes:Base 111, boss 112 and guide rail 113;
The base 111 is arranged on the upper end of the vertical deflection guiding trestle 10 of vertical plumb line measuring system;It is described convex
Platform 112 is arranged on the top of base 111;The guide rail 113 is arranged on the side of the boss 112;
The hoistable platform 12 includes:Base plate 121, top board 122, screw rod 123 and coupling assembly 124;The base plate 121 sets
Put on the boss 112 of the mounting platform 11 and be fixedly connected with the boss 112;The coupling assembly 124 is arranged on
Between the base plate 121 and top board 122;The screw rod 123 is used to control the coupling assembly 124 to be moved such that the top
There is the vertical displacement perpendicular to base plate 121 relative to base plate 121 in plate 122;
The fixture 13 is fixed on the top board 122 of the hoistable platform 12, for clamping plumb line 20;
The rangefinder 14 is arranged on the guide rail 113 of the mounting platform 11 and positioned at the top of the fixture 13, is used
In the vertical displacement for measuring the fixture 13.
In the technical solution of the utility model, in the upper end of the vertical deflection guiding trestle of vertical plumb line measuring system
Install after above-mentioned calibrating installation, first using the clamp plumb line in above-mentioned calibrating installation can then rotate institute
The screw rod on hoistable platform is stated, controls the connecting rod to be moved so that the top board of the hoistable platform is sent out relative to base plate
Raw vertical displacement (for example, moving up and down), and then drive fixture and plumb line that identical vertical displacement also occurs.Now, if
The i.e. measurable vertical displacement for obtaining the fixture of rangefinder in the top of the fixture is put, and then the perpendicular of plumb line can be known
To displacement, such that it is able to the displacement transducer in the vertical plumb line measuring system being equally connected with plumb line (for example, DC-
LVDT) calibrated.
In addition, in the technical solution of the utility model, can in several ways realize above-mentioned hoistable platform.With
Under the technical solution of the utility model will be described in detail by taking a kind of specific implementation therein as an example.
For example, preferably, Fig. 5~Fig. 7 is the concrete structure schematic diagram of the hoistable platform in the utility model embodiment, such as
Shown in Fig. 5~Fig. 7, in preferred embodiment of the present utility model, the coupling assembly 124 of the hoistable platform 12 can include:
First fixture 41, the second fixture 42, the 3rd fixture 43, the 4th fixture 44, X supports 45, connector 46 and limited block
47;
The fixture 42 of first fixture 41 and second is separately positioned on the two ends of the upper surface of the base plate 121;
3rd fixture 43 and the 4th fixture 44 are separately positioned on the two ends of the lower surface of the top board 122;
The fixture 43 of first fixture 41 and the 3rd is correspondingly arranged at same one end of the base plate 121 and top board 122;
It is provided with the fixture 43 of first fixture 41 and the 3rd and is passed through and along the side of extension of base plate 121 for connecting rod
To the slotted eye 51 for sliding;
The through hole passed through for connecting rod is provided with the fixture 44 of second fixture 42 and the 4th;
The X supports 45 include two support bar components, and two support bar components are respectively arranged at the top board 122 and bottom
Both sides between plate 121, each support bar component includes two support bars 451 of central crossbar connection;Two support bar components
End and center interconnected by connecting rod 452;The connecting rod for connecting two ends of support bar component is each passed through
Through hole or slotted eye on four fixtures (i.e. the first fixture, the second fixture, the 3rd fixture and the 4th fixture);
The limited block 47 is arranged on the top board 122 side of the one end for being provided with the 3rd fixture 43;Institute
State the screw for being provided with limited block 47 and being passed through for the screw rod 123 of the hoistable platform 12;
The connector 46 is provided through the middle part of the connecting rod of the slotted eye of the 3rd fixture 43;The connector
46 one end is provided with the screw for screwing in and connecting for the screw rod 123 of the hoistable platform 12.
It can be seen from said structure, the screw rod of above-mentioned hoistable platform can be screwed in the screw of the limited block and connector
In and be connected with the connector.Therefore, when above-mentioned screw rod is rotated, screw rod pulls on the connector occurred level direction
Displacement, and the also displacement in occurred level direction in slotted eye of the connecting rod where connector then pulls it, and then drive X supports
Displacement of two support bar components positioned at one end occurred level direction of screw rod side.Due to two support bar components of X supports
One end of screw rod side is located remotely to be separately fixed on the second fixture and the 4th fixture, therefore, when two branch of X supports
It is vertical between the top board and base plate of the hoistable platform when one end that strut component is located at screw rod side is moved to screw rod direction
Distance will diminish, and be moved down relative to the base plate equivalent to the top board;Conversely, the top board and base plate of the hoistable platform
Between vertical range will become big, moved up relative to the base plate equivalent to the top board.Therefore, by using above-mentioned
Coupling assembly, can be under the control of screw rod so that the top board occurs the vertical displacement perpendicular to base plate relative to base plate.
Certainly, in the technical solution of the utility model, can also be using the coupling assembly of other structures form, as long as should
Coupling assembly can cause that the top board occurs the vertical displacement perpendicular to base plate relative to base plate under the control of screw rod,
The utility model is not limited this, is also no longer repeated one by one herein.
In addition, preferably, in specific embodiment of the utility model, the top board 122 and base plate of the hoistable platform 12
Screw or through hole are provided with 121.Therefore, it is possible to use the base plate is fixed on institute by bolt or screw through the screw
State on the boss of mounting platform, or the fixture is fixed on the top board of the hoistable platform.
In addition, in the technical solution of the utility model, it is also possible to realize above-mentioned fixture in several ways.Below
The technical solution of the utility model will be described in detail by taking a kind of specific implementation therein as an example.
For example, preferably, Fig. 8 is the installation signal of the fixture in the utility model embodiment and the top board of hoistable platform
Figure, as shown in figure 8, in preferred embodiment of the present utility model, the fixture 13 includes:The plate of fixture bottom 131 and clamping part
132;
The clamping part 132 is fixed on one end of the clamp bottom board 131 and vertical with the clamp bottom board 131;
The groove 31 passed through for plumb line 20 is provided with the clamping part 132;The side of the clamping part 132 is provided with
One or more clamping screws 32;The screw rod of the clamping screw 32 extend into through the screw on the side of the clamping part 132
In the groove 31.
Therefore, when plumb line passes through the groove, clamping screw can be rotated so that the screw rod of clamping screw is by vertical
Line is fixed in the groove, so as to clamp the plumb line.
In addition, preferably, in specific embodiment of the utility model, grooved hole 33 is set on the clamp bottom board 131;
The bearing of trend of the slotted eye 33 is consistent with the bearing of trend of the clamp bottom board 131.Therefore, it is possible to use bolt or screw are worn
Cross the slotted eye clamp bottom board is fixed on the top board of the hoistable platform;It is additionally, since set on clamp bottom board
What is put is slotted eye, therefore can be adjusted according to actual needs before the clamp bottom board is fixed on the top board of the hoistable platform
Position afterwards, to adapt to the position of plumb line.
Certainly, in the technical solution of the utility model, can also be using the fixture of other structures form, as long as the fixture
Can be used for clamping plumb line, the utility model does not limit this, also no longer repeats one by one herein.
In addition, in the technical solution of the utility model, it is possible to use various rangefinders measure the vertical of the fixture
Displacement.The technical solution of the utility model will be below described in detail by taking a kind of specific implementation therein as an example.
For example, preferably, in specific embodiment of the utility model, the rangefinder 14 is (thousand points of digital display height meter
Table), the digital display height meter is fixedly connected by measuring appliance fixture 142 with the guide rail 113 of the mounting platform 11, the digital display
The gauge head 141 of altimeter is abutted with the upper surface of the clamp bottom board 131 of the fixture 13.
Therefore, when the fixture causes height to change as hoistable platform is moved, the digital display height meter
Measurement obtains the vertical displacement of the fixture.
Certainly, in the technical solution of the utility model, can also be using the rangefinder of other structures form (for example, swashing
Optar etc.), as long as the rangefinder can be used for measuring the vertical displacement of the fixture, the utility model to this not
Limit, also no longer repeat one by one herein.
In addition, preferably, in preferred embodiment of the present utility model, the lower end of the base 111 of the mounting platform 11
Stage+module fixture 114 is additionally provided with, screw or through hole (as shown in Figure 4) are provided with the stage+module fixture 114.Cause
This, it is possible to use the base of the mounting platform is fixed on vertical plumb line measuring system by bolt or screw through the screw
Vertical deflection guiding trestle upper end.
In sum, in the technical solution of the utility model, due to the vertical deflection in vertical plumb line measuring system
The upper end of guiding trestle is installed after above-mentioned calibrating installation, can first use the clamp vertical in above-mentioned calibrating installation
Line, then rotates the screw rod on the hoistable platform, controls the connecting rod to be moved so that the top board of the hoistable platform
There is vertical displacement (for example, moving up and down) relative to base plate, and then it is vertical to drive fixture and plumb line that identical also occurs
Displacement.Now, the i.e. measurable vertical displacement for obtaining the fixture of rangefinder of the top of the fixture is arranged on, and then can be obtained
The vertical displacement of plumb line is known, such that it is able to the displacement sensing in the vertical plumb line measuring system being equally connected with plumb line
Device (for example, DC-LVDT) is calibrated, it is achieved thereby that to the field calibration of vertical plumb line measuring system, with measurement just
Victory, high precision, it is highly reliable the features such as.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all at this
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements done etc. should be included in the utility model
Within the scope of protection.
Claims (7)
1. a kind of calibrating installation of vertical plumb line measuring system, it is characterised in that the calibrating installation includes:Mounting platform, liter
Drop platform, fixture and rangefinder;
Wherein, the mounting platform includes:Base, boss and guide rail;
The floor installation is in the upper end of the vertical deflection guiding trestle of vertical plumb line measuring system;The boss is arranged on bottom
The top of seat;The guide rail is arranged on the side of the boss;
The hoistable platform includes:Base plate, top board, screw rod and coupling assembly;The base plate is arranged on the convex of the mounting platform
It is fixedly connected on platform and with the boss;The coupling assembly is arranged between the base plate and top board;The screw rod is used for
The coupling assembly is controlled to be moved such that the top board occurs the vertical displacement perpendicular to base plate relative to base plate;
The fixture is fixed on the top board of the hoistable platform, for clamping plumb line;
The rangefinder is arranged on the guide rail of the mounting platform and positioned at the top of the fixture, for measuring the fixture
Vertical displacement.
2. calibrating installation according to claim 1, it is characterised in that the coupling assembly of the hoistable platform includes:First
Fixture, the second fixture, the 3rd fixture, the 4th fixture, X supports, connector and limited block;
First fixture and the second fixture are separately positioned on the two ends of the upper surface of the base plate;
3rd fixture and the 4th fixture are separately positioned on the two ends of the lower surface of the top board;
First fixture and the 3rd fixture are correspondingly arranged at same one end of the base plate and top board;
The groove for being passed through for connecting rod and being slided along base plate bearing of trend is provided with first fixture and the 3rd fixture
Hole;
The through hole passed through for connecting rod is provided with second fixture and the 4th fixture;
The X supports include two support bar components, and two support bar components are respectively arranged between the top board and base plate
Both sides, each support bar component includes two support bars of central crossbar connection;The end and center of two support bar components are equal
Interconnected by connecting rod;Two connecting rods of the end of support bar component of connection are each through the through hole on four fixtures
Or slotted eye;
The limited block is arranged on the top board side of the one end for being provided with the 3rd fixture;Set on the limited block
It is equipped with the screw passed through for the screw rod of the hoistable platform;
The connector is provided through the middle part of the connecting rod of the slotted eye of the 3rd fixture;One end of the connector sets
The screw that the screw rod being equipped with for the hoistable platform is screwed in and connected.
3. calibrating installation according to claim 2, it is characterised in that:
Screw or through hole are provided with the top board and base plate of the hoistable platform.
4. calibrating installation according to claim 1, it is characterised in that the fixture includes:Clamp bottom board and clamping part;
The clamping part is fixed on one end of the clamp bottom board and vertical with the clamp bottom board;
The groove passed through for plumb line is provided with the clamping part;The side of the clamping part is provided with one or more clampings
Screw rod;The screw rod of the clamping screw is extend into the groove through the screw on the clamping part side.
5. calibrating installation according to claim 4, it is characterised in that:
Grooved hole is set on the clamp bottom board;The bearing of trend of the slotted eye is consistent with the bearing of trend of the clamp bottom board.
6. calibrating installation according to claim 1, it is characterised in that:
The rangefinder is digital display height meter;
The digital display height meter is fixedly connected by measuring appliance fixture with the guide rail of the mounting platform, the digital display height meter
Gauge head is abutted with the upper surface of the clamp bottom board of the fixture.
7. calibrating installation according to claim 1, it is characterised in that:
The lower end of the base of the mounting platform is additionally provided with stage+module fixture;
Screw or through hole are provided with the stage+module fixture.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621290863.8U CN206311110U (en) | 2016-11-28 | 2016-11-28 | A kind of calibrating installation of vertical plumb line measuring system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621290863.8U CN206311110U (en) | 2016-11-28 | 2016-11-28 | A kind of calibrating installation of vertical plumb line measuring system |
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Publication Number | Publication Date |
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CN206311110U true CN206311110U (en) | 2017-07-07 |
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CN201621290863.8U Withdrawn - After Issue CN206311110U (en) | 2016-11-28 | 2016-11-28 | A kind of calibrating installation of vertical plumb line measuring system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106767904A (en) * | 2016-11-28 | 2017-05-31 | 中冶建筑研究总院有限公司 | A kind of calibrating installation of vertical plumb line measuring system |
-
2016
- 2016-11-28 CN CN201621290863.8U patent/CN206311110U/en not_active Withdrawn - After Issue
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106767904A (en) * | 2016-11-28 | 2017-05-31 | 中冶建筑研究总院有限公司 | A kind of calibrating installation of vertical plumb line measuring system |
CN106767904B (en) * | 2016-11-28 | 2023-09-08 | 中冶建筑研究总院有限公司 | Calibrating device of vertical plumb line measurement system |
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