CN206219978U - A kind of bridge expanssion joint survey tool - Google Patents
A kind of bridge expanssion joint survey tool Download PDFInfo
- Publication number
- CN206219978U CN206219978U CN201621256955.4U CN201621256955U CN206219978U CN 206219978 U CN206219978 U CN 206219978U CN 201621256955 U CN201621256955 U CN 201621256955U CN 206219978 U CN206219978 U CN 206219978U
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- Prior art keywords
- bar
- measurement
- feed bar
- shell
- gear
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a kind of bridge expanssion joint survey tool, it includes shell, handle and feed bar, the shell is welded by upper and lower two parts, the top half is the internal hollow cylinder equipped with feed bar, and back-moving spring is set between the inwall and feed bar of the top half；The latter half is a hollow cylinder for enclosuring structure, two horizontally disposed gathering sills are also welded with the latter half, first, second measurement bar is installed in the gathering sill, gear inside the latter half is engaged with the teeth portion in the first measurement bar and the second measurement bar, the top of the feed bar is operating side, and bottom is the rack structure being engaged with gear.It is the utility model simple structure, easy to operate, the width at expansion joint is convenient for measuring, by feed bar to the lattice of lower feeding one, then the width at expansion joint is the width of two lattice, and measurement result is accurate, practical.
Description
Technical field
The utility model is related to a kind of bridge expanssion joint survey tool, belongs to bridge technical field of auxiliary equipment.
Background technology
For meet bridge floor deformation requirement, generally between two beam-ends, between beam-ends and abutment or bridge articulated position
Upper setting expansion joint.It is required that expansion joint can freely stretch in both directions parallel, perpendicular to bridge axes, it is solid and reliable,
Vehicle should smooth out when running over, without kick and noise；Can prevent rainwater and rubbish soil from penetrating into obstruction；Install, check, support
Protect, eliminating dirt will simple and convenient.Setting at expansion joint, railing will disconnect with deck paving.
The effect of bridge expanssion joint：It is to adjust between superstructure as caused by vehicular load and bridge construction material
Displacement and connection.The retractor device of skew bridge will have a strong impact on speed, comfortableness and the safety of driving, very once being destroyed
To causing traffic safety accident.
Expansion joint used on highway, railroad bridge more and more extensively, the Main Function of bridge expanssion joint be exactly in order to
Adjust displacement between superstructure as caused by the physical property of vehicular load environmental characteristic and bridge construction material and upper
Connection between portion's structure.Therefore the expansion gap device just part as bridge structure is installed on bridge, if expansion joint
Inferior with the improper, installation quality of design, shortage science and timely maintenance is installed, jump car can be caused at bridge expanssion joint.
Clearance gauge is generally used for the survey tool of bridge expanssion joint at present, but greasy dirt or metal can not be speckled with clearance gauge
Bits are measured in the case of end, will otherwise influence the accuracy of measurement result.And when carrying out the measurement and adjustment in gap, first
Selection meets in the fixed clearance gauge insertion measured gap of clearance gauge, then while adjusting, while clearance gauge is pulled, until feeling slightly to hinder
Locking nut is tightened during power, the numerical value that now clearance gauge is marked as measured gap value.With the inconvenience of clearance gauge measuring method and measurement
Result is not accurate enough.
Utility model content
In order to solve the deficiencies in the prior art, the utility model provides a kind of bridge expanssion joint survey tool, primary to solve
Technical problem be, measurement inconvenience and easily influence measurement result accuracy problem.
The utility model solve technical scheme that its technical problem used for：
The utility model is a kind of bridge expanssion joint survey tool, mainly including shell, handle, feed bar, measurement bar, multiple
Position spring etc..
Shell is welded by upper and lower two parts, and top half is a hollow cylinder, and inside is equipped with feed bar, in upper half
The side You Liangge holes of operative tip, for laying handle, are provided with a projection on the inwall of top half, for fixed multiple
Position spring；The latter half is a flat spherical hollow cylinder, and inside is equipped with measurement bar and gear, in the appearance of the latter half
There are multiple holes on face, two gathering sills are also welded with the inwall of the latter half.
Handle is a cylindrical shaft structure, through the hole of shell top half and fixation.
There is a flat cylindrical handle on the top of the feed bar, and interposition is equipped with a projection, for installing back-moving spring, bottom
It is a spline-simulating.Scale is marked with feed bar, it is stipulated that the table that the nature lower feeding bar after spring reset is contacted with shell
The place in face is 0 scale.
Back-moving spring is arranged between the projection on the inwall bossing and feed bar of shell top half, convex by two
Block is fixed.
There are three gears, three gear coaxial placements in the middle of shell the latter half, and be welded on according to certain distance
Together, middle gear is engaged with feed bar, and the gear on both sides is engaged with measurement bar.
The measurement bar is to stitch rod member wide for measuring bridge expanssion joint, and measurement bar has two, and inside is spline-simulating, with
Gear in shell the latter half coordinates, and can be moved horizontally along the gathering sill on the inwall of shell the latter half, in gear top
The measurement bar coordinated with gear is the first measurement bar, and the measurement bar coordinated with gear below gear is the second measurement bar.
Specifically,
A kind of bridge expanssion joint survey tool, including shell, handle and feed bar, it is characterised in that the shell be by
Upper and lower two parts are welded, and the top half is the internal hollow cylinder equipped with feed bar, in the top half
Back-moving spring is set between wall and feed bar；The latter half is a hollow cylinder for enclosuring structure, the latter half
On be also welded with two horizontally disposed gathering sills, first, second measurement bar is installed, installed in lower half in the gathering sill
Internal gear is divided to be engaged with the teeth portion in the first measurement bar and the second measurement bar, the top of the feed bar is operation
End, bottom is the rack structure being engaged with gear.
Scale, the table that the nature lower feeding bar after the back-moving spring reset is contacted with shell are marked with feed bar
The place in face is 0 scale.
The gear includes three teeth portion, is engaged with the first measurement bar, the second measurement bar and section of rack respectively.
Stay is provided with the top of shell, the stay passes through pin hinges on shell, in the stay
With a draw-in groove, under locking state, the draw-in groove blocks feed bar, and under open mode, the draw-in groove departs from feed bar.
In the top half external fixing handle.
The beneficial effects of the utility model are：
The utility model is a kind of bridge expanssion joint survey tool, simple structure, easy to operate, is convenient for measuring expansion joint
Width, by feed bar to the lattice of lower feeding one, then the width at expansion joint is the width of two lattice, and measurement result is accurate, practical.
Brief description of the drawings
Fig. 1 is using effect figure of the present utility model.
Fig. 2 is stereochemical structure design sketch of the present utility model.
Fig. 3 is latter half section view design sketch of the present utility model.
Fig. 4 is first half section view design sketch of the present utility model.
Fig. 5 is gear design sketch of the present utility model.
Fig. 6 is the design sketch that the utility model measurement bar and gathering sill coordinate.
In figure：1- shells, 11- projections, 12- gathering sills, 2- handles, 3- feed bars, 31- scales, the measurement bars of 41- first,
The measurement bars of 42- second, 5- back-moving springs, 6- gears, 7 stays.
Specific embodiment
As shown in figs 1 to 6, the utility model is a kind of bridge expanssion joint survey tool, with simple structure, measurement knot
Fruit accuracy is high, easy to operate, it is practical the advantages of.
Bridge expanssion joint survey tool of the present utility model, mainly includes shell 1, handle 2, feed bar 3, measurement bar, multiple
Position spring 5 etc..
Shell 1 is welded by upper and lower two parts, and top half is a hollow cylinder, and inside is equipped with feed bar 3, upper
The side You Liangge holes on half part top, for laying handle 2, are provided with a projection 11 on the inwall of top half, are used for
Fixed reset spring 5；The latter half is a flat spherical hollow cylinder, and inside is equipped with measurement bar and gear 6, in lower half
Point outer surface on have multiple holes, the turnover of measurement bar when being convenient for measuring, on the inwall of the latter half being also welded with two leads
To groove 12, measurement bar is set to be moved horizontally along gathering sill 12.
Handle 2 is a cylindrical shaft structure, through the hole of shell top half and fixation, is conveniently guided and supported and in measurement bridge
It is convenient during beam expansion joint to hold.
There is a flat cylindrical handle on the top of the feed bar 3, and interposition is equipped with a projection, for installing back-moving spring 5, bottom
It is a spline-simulating to hold, and for coordinating with gear 6, completes measurement work.
Scale 31 is marked with feed bar 3, it is stipulated that the nature lower feeding bar 3 after back-moving spring 5 resets connects with shell
The place on tactile surface is 0 scale.
Back-moving spring 5 is arranged between the projection on the inwall projection 11 and feed bar of shell top half, convex by two
Block is fixed, for measurement apparatus are resetted.
There are three gears 6, three gear coaxial placements in the middle of shell the latter half, and be welded on according to certain distance
Together, middle gear is engaged with feed bar 3, and the gear on both sides is engaged with measurement bar.
Measurement bar is to stitch rod member wide for measuring bridge expanssion joint, and measurement bar has two, and inside is spline-simulating, with shell
Gear in the latter half coordinates, and can be moved horizontally along the gathering sill 12 on the inwall of shell the latter half, gear top with
The measurement bar that gear 6 coordinates is the first measurement bar 41, and the measurement bar coordinated with gear 6 below gear is the second measurement bar 42.
The top of shell 1 is provided with stay 7, the stay 7 on shell, has by pin hinges in stay
One draw-in groove, under locking state, draw-in groove blocks feed bar 3, and under open mode, feed bar can be along vertical in the presence of external force
Direction feeds.
Operation principle of the present utility model：
The expansion joint that will be measured is cleaned out, and bridge expanssion joint of the present utility model then is measured into work by handle 2
Tool is put into expansion joint.
By handle 2 come the position of stably measured instrument, stay is then opened.The cylinder on feed bar 3 is pressed downwards
Handle, feed bar 3 is moved downward, and back-moving spring 5 is compressed, and the section of rack of the bottom of feed bar 3 is engaged with gear 6, drives tooth
Wheel 6 turns clockwise.
Gear 6 is rotated clockwise, the measurement bar for engaging then respectively to the left, move right, the first of the top of gear 6
Measurement bar 41 moves right along gathering sill 12, and the second measurement bar 42 below gear 6 is moved to the left along gathering sill 12, directly
It is resisted against on the side wall in gap to the end of first, second measurement bar.
Scale 31 is marked with feed bar 3, when a lattice are rotated down, by the transmission of rack-and-pinion, the first measurement bar
41 move right a lattice, and the second measurement bar 42 is moved to the left a lattice, then the width of a width of two lattice of seam for measuring, that is, stitch a width of feeding
The twice of the lattice number of bar feed, the scale of wherein feed bar is arranged on top, and near stay position, the scale label for changing is close
Spend is 2 times of normal millimeter scale, i.e. the distance between each two scale is 0.5 millimeter, is labeled as 1 millimeter, is put for multiple
Greatly.
When measurement is finished, then the lattice number of record feeding bar feed is taken away hand, using back-moving spring from feed bar
5 spring force resets feed bar and measurement bar, is easy to next measurement.
Embodiment described above is only that preferred embodiment of the present utility model is described, not to this practicality
New scope is defined, and on the premise of the utility model design spirit is not departed from, relevant technical staff in the field is to this
The various modifications of utility model and improvement, all should expand in the protection domain as determined by the utility model claims.
Claims (5)
1. a kind of bridge expanssion joint survey tool, including shell (1), handle (2) and feed bar (3), it is characterised in that described outer
Shell (1) is welded by upper and lower two parts, and top half is the internal hollow cylinder equipped with feed bar (3), in the upper half
Back-moving spring (5) is set between partial inwall and feed bar；The latter half is a hollow cylinder for enclosuring structure, it is described under
Two horizontally disposed gathering sills (12) are also welded with half part, first, second measurement is installed in the gathering sill (12)
Bar, the gear (6) inside the latter half is engaged with the teeth portion in the first measurement bar and the second measurement bar, it is described enter
Top to bar (3) is operating side, and bottom is the rack structure being engaged with gear (6).
2. a kind of bridge expanssion joint survey tool according to claim 1, it is characterised in that be marked with feed bar (3)
Scale (31), the point that nature lower feeding bar (3) after back-moving spring (5) reset is contacted with shell is 0 scale.
3. a kind of bridge expanssion joint survey tool according to claim 1, it is characterised in that the gear (6) includes
Three teeth portion, are engaged with the first measurement bar, the second measurement bar and section of rack respectively.
4. a kind of bridge expanssion joint survey tool according to claim 3, it is characterised in that set at the top of shell (1)
Stay (7) is equipped with, the stay (7) on shell, has a draw-in groove, locking by pin hinges in the stay
Under state, the draw-in groove blocks feed bar (3), and under open mode, the draw-in groove departs from feed bar (3).
5. a kind of bridge expanssion joint survey tool according to claim 1, it is characterised in that on the outside of the top half
Fixed handle (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621256955.4U CN206219978U (en) | 2016-11-22 | 2016-11-22 | A kind of bridge expanssion joint survey tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621256955.4U CN206219978U (en) | 2016-11-22 | 2016-11-22 | A kind of bridge expanssion joint survey tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206219978U true CN206219978U (en) | 2017-06-06 |
Family
ID=58790238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621256955.4U Expired - Fee Related CN206219978U (en) | 2016-11-22 | 2016-11-22 | A kind of bridge expanssion joint survey tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206219978U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107675617A (en) * | 2017-10-21 | 2018-02-09 | 河南省三门峡黄河大桥高速公路建设有限公司 | A kind of bridge expanssion joint construction tool and its implementation |
| CN109629409A (en) * | 2019-01-10 | 2019-04-16 | 洛阳城市建设勘察设计院有限公司 | A kind of overhead bridge construction telescopic device and method |
| CN113639609A (en) * | 2021-10-14 | 2021-11-12 | 湖南东润智能仪表有限公司 | Measuring device for bridge expansion joint |
-
2016
- 2016-11-22 CN CN201621256955.4U patent/CN206219978U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107675617A (en) * | 2017-10-21 | 2018-02-09 | 河南省三门峡黄河大桥高速公路建设有限公司 | A kind of bridge expanssion joint construction tool and its implementation |
| CN107675617B (en) * | 2017-10-21 | 2019-03-08 | 河南省三门峡黄河大桥高速公路建设有限公司 | A kind of bridge expanssion joint construction tool and its implementation method |
| CN109629409A (en) * | 2019-01-10 | 2019-04-16 | 洛阳城市建设勘察设计院有限公司 | A kind of overhead bridge construction telescopic device and method |
| CN113639609A (en) * | 2021-10-14 | 2021-11-12 | 湖南东润智能仪表有限公司 | Measuring device for bridge expansion joint |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170606 Termination date: 20171122 |
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| CF01 | Termination of patent right due to non-payment of annual fee |