CN204438941U - Section of jurisdiction faulting of slab ends measures special ruler - Google Patents
Section of jurisdiction faulting of slab ends measures special ruler Download PDFInfo
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- CN204438941U CN204438941U CN201520143009.8U CN201520143009U CN204438941U CN 204438941 U CN204438941 U CN 204438941U CN 201520143009 U CN201520143009 U CN 201520143009U CN 204438941 U CN204438941 U CN 204438941U
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Abstract
The utility model discloses a kind of section of jurisdiction faulting of slab ends and measure special ruler, comprise measurement section and location division, position point is on the right side of measurement section; Described location division comprises strut rail bar (1) and perpendicular catch (2), and perpendicular catch (2) is vertically fixed on the left side of strut rail bar (1); Described measurement section comprises draw-in groove (3), dip stick (4) and clamping screw (5), dip stick (4) is arranged in draw-in groove (3) and also can moves up and down relative to draw-in groove (3), draw-in groove (3) sidewall is provided with through hole, the screw rod of clamping screw (5) is against on the sidewall of dip stick (4) through through hole end, and draw-in groove (3) bottom is in same plane with the lower surface of strut rail bar (1).After the utility model section of jurisdiction faulting of slab ends measurement special ruler can accurately measure shield-tunneling construction pipe sheet assembling, can produce faulting of slab ends between section of jurisdiction, its location is simple, easy to operate, measures accurately.
Description
Technical field
The utility model relates to a kind of survey instrument, and especially section of jurisdiction faulting of slab ends measures special ruler and measuring method thereof.
Background technology
After shield-tunneling construction pipe sheet assembling, faulting of slab ends can be produced between section of jurisdiction, generally adopt tape measure, set square to carry out to the measurement of section of jurisdiction faulting of slab ends at present, due to tunnel segment structure reason, visually feel that faulting of slab ends is comparatively large, when measuring according to tape measure and set square, owing to cannot correctly locate, measurement structure and actual value have larger gap, and cause measurement inaccurate, error is larger.
Utility model content
Technical problem to be solved in the utility model is, for above-mentioned the deficiencies in the prior art, provide a kind of section of jurisdiction faulting of slab ends to measure special ruler, this measurement special ruler location is simple, easy to operate, measures accurately.
The technical scheme that the utility model section of jurisdiction faulting of slab ends measurement special ruler adopts is as follows:
The utility model section of jurisdiction faulting of slab ends measures special ruler, and comprise measurement section and location division, position point is on the right side of measurement section; Described location division comprises strut rail bar and perpendicular catch, and perpendicular catch is vertically fixed on the left side of strut rail bar; Described measurement section comprises draw-in groove, dip stick and clamping screw, dip stick is arranged in draw-in groove and also can moves up and down relative to draw-in groove, draw-in groove sidewall is provided with through hole, the screw rod of clamping screw is against on the sidewall of dip stick through through hole end, is in same plane bottom draw-in groove with the lower surface of strut rail bar.Location division is used for positioning section of jurisdiction, by being arranged to location division to comprise strut rail bar and perpendicular catch and orthogonal version, perpendicular catch can be inserted into after pipe sheet assembling in circumferential weld gap, and make it be adjacent to section of jurisdiction madial wall by mobile strut rail bar, make crosspiece bar become plumbness with sidewall thus complete location.Measurement section is used for measuring the dip stick of having good positioning, and moving up and down the position of dip stick in draw-in groove, being fixed by tightening clamping screw to dip stick.
As preferred version of the present utility model, the length direction of dip stick is provided with dip stick scale, the range of described dip stick is 0-50mm, and precision is 0.1mm.
As preferred version of the present utility model, the length direction on draw-in groove is provided with the draw-in groove scale matched with dip stick scale, and the range of draw-in groove scale is 0-50mm, and precision is 0.1mm.
As preferred version of the present utility model, described dip stick length is greater than draw-in groove length.By the length of dip stick is arranged to the length being greater than draw-in groove, personnel's traverse measurement chi can be convenient for measuring.
As preferred version of the present utility model, described perpendicular catch thickness is greater than 1mm, and strut rail bar thickness is greater than perpendicular catch thickness.By being arranged to be greater than perpendicular catch thickness by strut rail bar thickness, the personnel that can be convenient for measuring are hand-held.
In sum, the advantage that the utility model section of jurisdiction faulting of slab ends measures special ruler is, location is simple, easy to operate, measures accurately.
Accompanying drawing explanation
Fig. 1 is the front view that the utility model section of jurisdiction faulting of slab ends measures special ruler.
Fig. 2 is the front view that the utility model section of jurisdiction faulting of slab ends measures special ruler location division.
Fig. 3 is the front view that the utility model section of jurisdiction faulting of slab ends measures special ruler measurement section.
Fig. 4 is section of jurisdiction circumferential weld skiagraph.
Fig. 5 is the using state figure that the utility model section of jurisdiction faulting of slab ends measures special ruler.
Fig. 6 is that the crosspiece bar transversal section that the utility model section of jurisdiction faulting of slab ends measures special ruler is schemed with section of jurisdiction cambered surface is identical.
Fig. 7 is the first section of jurisdiction filleting figure.
Fig. 8 is the second section of jurisdiction filleting figure.
Embodiment
As shown in Figures 1 to 3, the utility model section of jurisdiction faulting of slab ends measures special ruler, and comprise measurement section and location division, position point is on the right side of measurement section.
Location division comprises strut rail bar 1 and perpendicular catch 2, perpendicular catch 2 is vertically fixed on the left side of strut rail bar 1, described perpendicular catch 2 thickness is greater than 1mm, strut rail bar 1 thickness is greater than perpendicular catch 2 thickness, hand-held with the personnel of being convenient for measuring, why crosspiece bar 1 being designed to strip is exactly crosspiece bar 1 and section of jurisdiction cambered surface conveniently can be made to coincide accurately and can ensure the stability of the try square formed with vertical file sheet 2, reaches perpendicular catch 2 and becomes plumbness with section of jurisdiction cambered surface.Why vertical file sheet 2 is designed to sheet (thickness is according to the adjustment of gap, section of jurisdiction), because have the gap (theoretical value of 1-1.5mm after pipe sheet assembling between circumferential weld at least, between actual 5mm-10mm), perpendicular catch 2 can be allowed to insert in gap and to be adjacent to section of jurisdiction madial wall, make crosspiece bar 1 become plumbness with sidewall.The effect finally reached is, vertical file sheet 2 is vertical with section of jurisdiction cambered surface, crosspiece bar 1 and sidewalls orthogonal, locates accurately for needing the measurement structure of installing below.
Measurement section comprises draw-in groove 3, dip stick 4 and clamping screw 5, and dip stick 4 is arranged in draw-in groove 3 and also can moves up and down relative to draw-in groove 3, and described dip stick 4 length is greater than draw-in groove 3 length, to be convenient for measuring personnel's traverse measurement chi 4.The length direction of dip stick 4 is provided with dip stick scale, and the range of described dip stick 4 is 0-50mm, and precision is 0.1mm.Length direction on draw-in groove 3 is provided with the draw-in groove scale matched with dip stick scale, and the range of draw-in groove scale is 0-50mm, and precision is 0.1mm.Draw-in groove 3 sidewall is provided with through hole, the screw rod of clamping screw 5 is against on the sidewall of dip stick 4 through through hole end, vertical with crosspiece bar 1 together with draw-in groove 3 welds with vertical file sheet 2, is in same plane bottom draw-in groove 3 with the lower surface of strut rail bar 1.
Location division is used for positioning section of jurisdiction, by being arranged to location division to comprise strut rail bar 1 and perpendicular catch 2 and orthogonal version, perpendicular catch 2 can be inserted into after pipe sheet assembling in circumferential weld gap, and make it be adjacent to section of jurisdiction madial wall by mobile strut rail bar 1, make crosspiece bar 1 become plumbness with sidewall thus complete location.Measurement section is used for measuring the dip stick of having good positioning, and moving up and down the position of dip stick in draw-in groove 3, being fixed by tightening clamping screw 5 pairs of dip sticks 4.
The measuring method that the utility model section of jurisdiction faulting of slab ends measures special ruler is as follows:
A, location, section of jurisdiction: location division is positioned on the higher section of jurisdiction of section of jurisdiction faulting of slab ends, strut rail bar 1 is pressed in the cambered surface of section of jurisdiction, strut rail bar 1 and section of jurisdiction cambered surface are matched, perpendicular catch 2 from sidepiece be against be positioned at side, section of jurisdiction projection on, perpendicular catch 2 is coincide with section of jurisdiction side extending projection;
B, faulting of slab ends are measured: after strut rail bar 1 and section of jurisdiction cambered surface, perpendicular catch 2 match with section of jurisdiction side extending projection, downward promotion is positioned at the dip stick 4 of draw-in groove, now localization part maintains static, when in the cambered surface that the lower end of dip stick 4 is pushed to lower section of jurisdiction, now dip stick 4 stretches out the length of draw-in groove 3 is faulting of slab ends size, read extension data, these data are the data of section of jurisdiction faulting of slab ends.
illustrate:
1, section of jurisdiction circumferential weld briefing
As shown in Figure 4, in two endless tube sheets, gap can be zero (there is gap all the time in reality) in theory, now still there is distance between A point and B point, for diameter 6250 shield machine section of jurisdiction used, when inseam is zero, the spacing 1.5mm of A point and B point, so vertical file sheet thickness is preferably 1.5mm.Under any circumstance can be inserted in the circumferential weld of section of jurisdiction and position.
As shown in Figure 4, there is comparatively wide arc gap between A point (anchor point) and C point, equally for diameter 6250 shield machine section of jurisdiction used, between A point and C point, horizontal range reaches as high as 25mm, so dip stick must have certain width, is preferably greater than 25mm.In Fig. 4, E point is for soaring aloft face circumferential weld section of jurisdiction, and F point is gap in section of jurisdiction.
As can be seen from Fig. 4 composition graphs 5, dip stick 4 only has one fixed width (being greater than the horizontal range between C point to A point) G point just can be fallen in the cambered surface of section of jurisdiction, just can accurately measure the accurate faulting of slab ends amount of two endless tube sheets.
Composition graphs 7, Fig. 8 can find out simultaneously, these 2 distances are 5+3+2+3=13mm, 5+3+1+3=12mm, in conjunction with on-site actual situations, (indivedual turning ring fissure of displacement is larger simultaneously, between thrust different two endless tube sheets, gap is different, be between 15mm-20mm in conjunction with actual count analysis), therefore for ensureing measurement accuracy, dip stick width is preferably got between 25-30mm.
2, crosspiece bar width setting
Crosspiece bar 1 will be placed in the cambered surface of section of jurisdiction, and its width, as X in Fig. 6, if excessive, will affect measuring accuracy, now calculates with regard to X value, and plan measuring accuracy controls within 0.1mm.
Diameter 6250 shield machine, the section of jurisdiction internal diameter used is 5400mm, according to Fig. 6, by discrepancy in elevation precision controlling within 0.1, foundation formula below:
X=
2
=46.48mm
And the length of crosspiece bar 1 (when measuring faulting of slab ends between same endless tube sheet, the long limit of crosspiece bar 1 will be placed in cambered surface) and wide (two interannular faulting of slab ends measure time broadside be placed in cambered surface) maximal value must not more than 46.48mm.
3, vertical file sheet thickness
As can be seen from Figures 7 and 8, after pipe sheet assembling, can insert gap is 3+2+3=8mm, 3+1+3=7mm, for this reason, can design vertical file sheet 2 thickness for being less than 7mm, and in conjunction with on-site actual situations (as concrete remains), after this gets 3mm, steel plate is advisable.
, can find out according to Fig. 7 and Fig. 8 meanwhile, vertical file sheet 2 can insertion depth at 5+16+4=25mm, therefore vertical file sheet 2 degree of depth is advisable to be less than 25mm, in conjunction with on-site actual situations (as residual in concrete etc.), get 15mm and is advisable.
Can be consistent with crosspiece bar 1 width from consideration vertical file sheet 2 attractive in appearance, but must 46.48mm be less than, in conjunction with on-the-spot actual use ruler, its thickness is got 10mm and is advisable.
4, dip stick scale and range setting
The regulation showing 17.0.5 should be met according to its permissible variation value of " shield method tunnel construction and acceptance specification " (GB50446-2008) 17.0.5 tunnel.
Table 17.0.5 tunnel permissible variation
Note: D refers to the overall diameter in tunnel, unit: mm.
Specification permissible variation and faulting of slab ends 10-15mm, so dip stick scale doubly can carry out with the 3-5 of specification, and range is at 0-50mm.
5, dip stick draw-in groove length
When dip stick draw-in groove is measured at the scene, held by survey crew, then promote dip stick 4 and measure, so draw-in groove 3 length should widelyr than staff be advisable, and at about 100mm.
6, measuring accuracy promotes
For guaranteeing measuring accuracy, engrave scale in draw-in groove 3 side, corresponding with dip stick scale (with reference to vernier caliper), can engrave 50mm equally, with reference to vernier caliper using method during reading measurement data, its precision controls equally at 0.02mm.
Above specification calculates the critical data of the component that dip stick impact is measured, and in conjunction with the model of field fabrication, other data in above data area, can be advisable to be convenient for measuring.
Below by reference to the accompanying drawings preferred implementation of the present utility model is elaborated, but the utility model is not limited to above-mentioned embodiment, in the ken that art technician possesses, various change can also be made under the prerequisite not departing from the utility model aim.
Claims (5)
1. section of jurisdiction faulting of slab ends measures a special ruler, it is characterized in that: comprise measurement section and location division, position point is on the right side of measurement section; Described location division comprises strut rail bar (1) and perpendicular catch (2), and perpendicular catch (2) is vertically fixed on the left side of strut rail bar (1); Described measurement section comprises draw-in groove (3), dip stick (4) and clamping screw (5), dip stick (4) is arranged in draw-in groove (3) and also can moves up and down relative to draw-in groove (3), draw-in groove (3) sidewall is provided with through hole, the screw rod of clamping screw (5) is against on the sidewall of dip stick (4) through through hole end, and draw-in groove (3) bottom is in same plane with the lower surface of strut rail bar (1).
2. section of jurisdiction according to claim 1 faulting of slab ends measures special ruler, and it is characterized in that: the length direction of dip stick (4) is provided with dip stick scale, the range of described dip stick (4) is 0-50mm, and precision is 0.1mm.
3. section of jurisdiction according to claim 2 faulting of slab ends measures special ruler, and it is characterized in that: the length direction on draw-in groove (3) is provided with the draw-in groove scale matched with dip stick scale, the range of draw-in groove scale is 0-50mm, and precision is 0.1mm.
4. section of jurisdiction according to claim 1 faulting of slab ends measures special ruler, it is characterized in that: described dip stick (4) length is greater than draw-in groove (3) length.
5. section of jurisdiction according to claim 1 faulting of slab ends measures special ruler, it is characterized in that: described perpendicular catch (2) thickness is greater than 1mm, and strut rail bar (1) thickness is greater than perpendicular catch (2) thickness.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520143009.8U CN204438941U (en) | 2015-03-13 | 2015-03-13 | Section of jurisdiction faulting of slab ends measures special ruler |
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| CN201520143009.8U CN204438941U (en) | 2015-03-13 | 2015-03-13 | Section of jurisdiction faulting of slab ends measures special ruler |
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| CN204438941U true CN204438941U (en) | 2015-07-01 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104713435A (en) * | 2015-03-13 | 2015-06-17 | 中铁工程装备集团有限公司 | Dedicated ruler for duct piece dislocation |
| CN106247900A (en) * | 2016-09-29 | 2016-12-21 | 江苏理工学院 | A kind of brake pad thickness special measuring tool of disk brake |
-
2015
- 2015-03-13 CN CN201520143009.8U patent/CN204438941U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104713435A (en) * | 2015-03-13 | 2015-06-17 | 中铁工程装备集团有限公司 | Dedicated ruler for duct piece dislocation |
| CN106247900A (en) * | 2016-09-29 | 2016-12-21 | 江苏理工学院 | A kind of brake pad thickness special measuring tool of disk brake |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160815 Address after: 450000 Zhengzhou economic and Technological Development Zone, Henan, No. Sixth Street, No. 99 Patentee after: China Railway Manufacturing Equipment Group Co., Ltd. Patentee after: CHINA RAILWAY ENGINEERING EQUIPMENT GROUP TECHNOLOGY SERVICE CO., LTD. Address before: 450016 Zhengzhou economic and Technological Development Zone, Henan, No. Sixth Street, No. 99 Patentee before: China Railway Manufacturing Equipment Group Co., Ltd. |