CN203109932U - Non-radial hole marking-off formwork - Google Patents
Non-radial hole marking-off formwork Download PDFInfo
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- CN203109932U CN203109932U CN 201320060470 CN201320060470U CN203109932U CN 203109932 U CN203109932 U CN 203109932U CN 201320060470 CN201320060470 CN 201320060470 CN 201320060470 U CN201320060470 U CN 201320060470U CN 203109932 U CN203109932 U CN 203109932U
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- horizontal panel
- formwork
- panel
- horizontal
- marking
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Abstract
The utility model discloses a boring marking-off tool, in particular to a non-radial hole marking-off formwork. The non-radial hole marking-off formwork is provided with a formwork body and is characterized by comprising a convex formwork body which is formed by a plurality of horizontal panels, vertical panels, and arch-shaped side plates and opens downwards, a terraced formwork body top portion which is formed by horizontal panels and vertical panels being spliced, wherein a first horizontal panel is provided with a radial round formwork hole, the other horizontal panels are provided with non-radial round formwork holes, the other sides of the radial round formwork holes are provided with reference positioning scale marks, and the diameter of each radial round formwork hole is equal to the diameter of each non-radial round formwork hole. The non-radial hole marking-off formwork is simple in structure, simple, convenient, and quick to operate, and precise and reliable in marking-off.
Description
Technical field
The cylindrical shell that the utility model relates to boiler, pressure vessel and heat exchanger becomes round perforate scoring tool with cambered surface used during the steel pipe assembling is made, particularly a kind of non-radial hole marking-off plate.
Background technology
When the cylindrical shell of processing and manufacturing boiler, pressure vessel and heat exchanger and steel pipe assembling, often run in cylindrical shape or the assembling of arc surfaced workpiece and run through cylindrical shell heat exchange steel pipe in a row, this just need cut non-radial hole in cylindrical shape or arc surfaced workpiece, assemble smoothly for quantity, the shape in hole, specification, pitch-row, the dimensional discrepancy that makes cutting hole satisfies steel pipe in a row, before the cutting non-radial hole, need mark the line of perforations of each pore at the perforate position earlier.The shape of non-radial hole perforate line is sealing, regular circular from projecting direction, but shape then is irregular circle on surface of the work, its erose deformation rate is relevant with the radial hole distance between center line with the perforate center line, and only the vision with the people is difficult to hold its deformation rate.
Scribble method commonly used at present has sheet iron (tarred brown paper) to put large sample method, but this scribble method is time-consuming, require great effort, take material, key is the accuracy that can not guarantee bore size, the steel pipe assembling time occurs that the gap exceeds standard and assemble difficult ratio very high after the cutting perforate, has directly influenced the workmanship of product.
Also have data to disclose a kind of scribble method that adopts the perforate marking gauge, but it can only mark single non-radial hole, can't satisfy non-radial hole perforate line demand in a row.
Summary of the invention
For addressing the above problem, the utility model provides a kind of non-radial hole marking-off plate that can accurately locate and rule non-radial hole in a row on the circular cambered surface workpiece.The utility model is simple in structure, simple and efficient to handle, line accurately and reliably.
The utility model for achieving the above object, the technical scheme of employing is as follows:
A kind of non-radial hole marking-off plate has a die body, it is characterized in that: form uncovered downward convex die body by a plurality of horizontal panels, vertical panel and arch side plate; Stair-stepping die body top is formed in horizontal panel and vertical panel splicing, and radially circular nib is wherein arranged on first horizontal panel, and non-radially circular nib is arranged on other horizontal panel; There is benchmark location graduation mark in the radially circular nib outside.
Aforementioned radially circular nib is identical with the diameter of non-radially circular nib.
The arch camber line radius of curvature of aforementioned arch side plate is identical with the workpiece cylindrical shell radius for the treatment of the perforate line.
The quantity of non-radially circular nib is determined according to the perforate quantity that the processing drawing requires.
Horizontal panel, vertical panel, arch side plate can adopt hard materials such as sheet iron or sheet metal to make.
Adopt technique scheme, the utility model is placed on the workpiece cylindrical shell for the treatment of the perforate line, because the arch camber line radius of curvature of arch side plate is identical with the outer radius of workpiece cylindrical shell, thereby the following segmental arc of marking-off plate termination can be fitted well with cylindrical shell workpiece outer surface, can play the positioning and fixing effect; Utilize the upright projection principle, circular nib inwall on horizontal panel is rule to the workpiece drum surface vertically downward, can precisely finish the pitch of non-radial hole perforate in a row, location and the line work of quantity, the linear radial hole except the centre of the perforate that marks on workpiece cylindrical shell cambered surface is the regular circular, remaining non-radial aperture line all presents the distortion of rule toward both sides, operating process is simple and efficient.
Description of drawings
Fig. 1 is stereogram of the present utility model.
Fig. 2 is structural representation of the present utility model.
Fig. 3 is vertical view of the present utility model.
Be labeled as shown in the figure: 1, first horizontal panel; 2, second horizontal panel; 3 the 3rd horizontal panels; 4, the 4th horizontal panel; 5, the 5th horizontal panel; 6, the 6th horizontal panel; 7, the 7th horizontal panel; 8, vertical panel; 9, workpiece cylindrical shell; 10, non-radially circular nib; 11, radially circular nib; 12, benchmark location graduation mark; 13, arch side plate.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
As Fig. 1, Fig. 2, shown in Figure 3, the uncovered downward convex die body that the utility model is made up of first horizontal panel (1), second horizontal panel (2), the 3rd horizontal panel (3), the 4th horizontal panel (4), the 5th horizontal panel (5), the 6th horizontal panel (6), the 7th horizontal panel (7), vertical panel (8) and arch side plate (13); Stair-stepping die body top is formed in first horizontal panel (1), second horizontal panel (2), the 3rd horizontal panel (3), the 4th horizontal panel (4), the 5th horizontal panel (5), the 6th horizontal panel (6), the 7th horizontal panel (7) and vertical panel (8) splicing.
As shown in Figure 1 and Figure 2, radially circular nib (11) is arranged on first horizontal panel (1), on second horizontal panel (2), the 3rd horizontal panel (3), the 4th horizontal panel (4), the 5th horizontal panel (5), the 6th horizontal panel (6), the 7th horizontal panel (7) non-radially circular nib (10) is arranged all.
As shown in Figure 2, bent half rate of the following arch camber line of arch side plate (13) footpath is identical with workpiece cylindrical shell (9) outer radius for the treatment of the perforate line.
As shown in Figure 3, there is benchmark location graduation mark (12) in radially circular nib (11) outside.Radially circular nib (11) is identical with the diameter of non-radially circular nib (10).
In the present embodiment, first horizontal panel (1), second horizontal panel (2), the 3rd horizontal panel (3), the 4th horizontal panel (4), the 5th horizontal panel (5), the 6th horizontal panel (6), the 7th horizontal panel (7), vertical panel (8) and arch side plate (13) all adopt sheet metal to be welded to form.
Claims (3)
1. non-radial hole marking-off plate, a die body is arranged, it is characterized in that: form uncovered downward convex die body by first horizontal panel (1), second horizontal panel (2), the 3rd horizontal panel (3), the 4th horizontal panel (4), the 5th horizontal panel (5), the 6th horizontal panel (6), the 7th horizontal panel (7), vertical panel (8) and arch side plate (13); Stair-stepping die body top is formed in first horizontal panel (1), second horizontal panel (2), the 3rd horizontal panel (3), the 4th horizontal panel (4), the 5th horizontal panel (5), the 6th horizontal panel (6), the 7th horizontal panel (7) and vertical panel (8) splicing.
2. a kind of non-radial hole marking-off plate according to claim 1 is characterized in that: radially circular nib (11) is arranged on first horizontal panel (1), benchmark location graduation mark (12) is arranged outside the non-radially circular nib (10); On second horizontal panel (2), the 3rd horizontal panel (3), the 4th horizontal panel (4), the 5th horizontal panel (5), the 6th horizontal panel (6), the 7th horizontal panel (7) non-radially circular nib (10) is arranged all; Radially circular nib (11) is identical with the diameter of non-radially circular nib (10).
3. a kind of non-radial hole marking-off plate according to claim 1, it is characterized in that: the following arch camber line radius of curvature of arch side plate (13) is identical with workpiece cylindrical shell (9) outer radius.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320060470 CN203109932U (en) | 2013-02-04 | 2013-02-04 | Non-radial hole marking-off formwork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320060470 CN203109932U (en) | 2013-02-04 | 2013-02-04 | Non-radial hole marking-off formwork |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203109932U true CN203109932U (en) | 2013-08-07 |
Family
ID=48890309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320060470 Expired - Fee Related CN203109932U (en) | 2013-02-04 | 2013-02-04 | Non-radial hole marking-off formwork |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203109932U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110871300A (en) * | 2019-11-22 | 2020-03-10 | 哈电集团（秦皇岛）重型装备有限公司 | Dense hole opening method for large-diameter thin-wall sleeve and circular anti-deformation support |
-
2013
- 2013-02-04 CN CN 201320060470 patent/CN203109932U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110871300A (en) * | 2019-11-22 | 2020-03-10 | 哈电集团（秦皇岛）重型装备有限公司 | Dense hole opening method for large-diameter thin-wall sleeve and circular anti-deformation support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20160204 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |