CN204125844U - Tied arch bridge hanger rod embedded hole centralising device - Google Patents
Tied arch bridge hanger rod embedded hole centralising device Download PDFInfo
- Publication number
- CN204125844U CN204125844U CN201420599128.XU CN201420599128U CN204125844U CN 204125844 U CN204125844 U CN 204125844U CN 201420599128 U CN201420599128 U CN 201420599128U CN 204125844 U CN204125844 U CN 204125844U
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- China
- Prior art keywords
- mounting platform
- laser
- embedded hole
- base
- rod embedded
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- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of tied arch bridge hanger rod embedded hole centralising device, be supported in beam body upper surface base, be arranged on the mounting platform of described base upper end, it parallels with this base lower surface, laser target that positioning disk that the generating device of laser be arranged on described mounting platform, center are provided with laser passing hole and middle part have cross target center.The utility model structure is simple, easy to operate, can improve the accuracy of alignment of suspension rod embedded hole, is conducive to improving bowstring arch bridge efficiency of construction, ensures bridge construction and security of operation.
Description
Technical field
The utility model belongs to technical field of bridge engineering, is specifically related to a kind of tied arch bridge hanger rod embedded hole centralising device.
Background technology
Bowstring arch bridge, it is the advantage arch bridge form of a kind of Ji Liang and arch, arch and beam two kinds of basic structure forms are combined by it, common bearing load, give full play to beam by curved, the structural performance of arch pressurized and compound action, have rational in infrastructure, the feature such as handsome in appearance, during construction, general needs present beam body and arch rib arrange coaxial suspension rod embedded hole, build for arch rib for steel concrete, embedded hole on beam body is formed by arranging embedded hole pipe when precast beam, again according to this embedded hole pipe centering, arch rib cage of reinforcement arranges embedded hole pipe, after building, form the embedded hole on arch rib, once suspension rod embedded hole generation off normal, suspension rod stressing conditions will be caused to worsen, have a strong impact on its application life and bridge security, therefore, the centering of suspension rod embedded hole is the important step in bowstring arch bridge construction, at present, main employing total powerstation location, the mode of vertical line translation carries out suspension rod embedded hole centering, not only complicated operation, and often can cause embedded hole off normal, suspension rod is caused to touch built-in pipe hole wall, bring hidden danger of quality.
Utility model content
In view of this, the utility model provides a kind of tied arch bridge hanger rod embedded hole centralising device of easy to operate, accurate positioning.
Its technical scheme is as follows:
A kind of tied arch bridge hanger rod embedded hole centralising device, it comprises:
Be supported in beam body upper surface base;
Mounting platform, it is arranged on described base upper end, and parallels with this base lower surface;
Be arranged on the generating device of laser on described mounting platform;
Mark module, itself and described mounting platform are just right, and comprise positioning disk and laser target, described positioning disk center is provided with laser passing hole;
During centering operation, adjust described mark module, the laser beam that generating device of laser is sent by laser passing hole, and finally forms bright hot spot in the target center position of laser target.
Adopt above structure, the laser beam utilizing generating device of laser to produce carries out suspension rod embedded hole centering, accuracy of alignment is high, easy to operate, and mounting platform is parallel with base lower surface, can adjust the suspension rod embedded hole dead in line that laser beam and beam body are preset easily.
Preferably, described base is a cylinder-shaped sleeve, and its internal diameter is corresponding to the suspension rod embedded hole pipe stretching out beam body upper surface, and described mounting platform is disc or ellipse, and coaxially arrange with described base, described generating device of laser is positioned at the center of this mounting platform end face.Adopt this structure, base is directly sheathed on suspension rod embedded hole pipe, can ensure that the laser beam that generating device of laser produces just in time is positioned on the axis of suspension rod embedded hole pipe, easy to use, is conducive to improving efficiency of construction.
Preferably, it is protruding that described mounting platform bottom surface is provided with downward annulus, and described annulus is protruding coaxially to be arranged with base, and this base upper end is sheathed on outside this annulus projection or inner side.Adopt above structure, mounting platform can reliably be connected with base, easy for installation.
One as this centralising device is out of shape, and described base comprises 2 symmetrically arranged columns, and described mounting platform is arranged between two columns turningly.This structure makes mounting platform can realize upset, can first downwards and after the suspension rod embedded hole centering of Liang Tishang, then the suspension rod embedded hole adjusted on pose and arch rib skeleton carries out centering operation.
Preferably, described mounting platform is connected with column rotationally by rotating shaft, this rotating shaft is by the center of described mounting platform, so, comparatively reasonably can realize the upset of mounting platform, rotating shaft is by the center of described mounting platform, and after ensure that mounting platform is turned over, the laser beam that generating device of laser produces is on same straight line.
Preferably, described two columns are removably provided with alignment pin respectively, and this alignment pin abuts with mounting platform bottom surface, and two alignment pins are positioned on the sustained height of column.Adopt above structure, ensure that the reliable location of mounting platform after upset.
Beneficial effect: the utility model structure is simple, easy to operate, can improve the accuracy of alignment of tied arch bridge hanger rod embedded hole, is conducive to improving bowstring arch bridge efficiency of construction, ensures bridge construction and security of operation.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment 1;
Fig. 2 be in embodiment 1 base and mounting platform install after structural representation;
Fig. 3 is the structural representation of positioning disk in the utility model;
Fig. 4 is the structural representation of laser target in the utility model;
Fig. 5 be in embodiment 2 base and mounting platform install after perspective view;
Fig. 6 be in embodiment 2 base and mounting platform install after partial sectional view.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail.
Embodiment 1:
A kind of tied arch bridge hanger rod embedded hole centralising device as depicted in figs. 1 and 2, comprise the cylindrical base 1 of hollow, mounting platform 2, generating device of laser 3, positioning disk 4 and laser target 5, wherein, the internal diameter of described base 1 is suitable with the suspension rod embedded hole pipe 6 stretching out beam body 7 upper end, base 1 is set on the external part of this built-in pipe 6, and base 1 lower surface abuts with beam body 7 end face.
Mounting platform 2 is arranged on base 1 upper end, and parallel with this base 1 lower surface, and described mounting platform 2 is disc or ellipse, and mounting platform 2 end face installs described generating device of laser 3, and this generating device of laser 3 can produce laser beam.
See Fig. 2, mounting platform 2 bottom surface is provided with downward annulus projection 21, this annulus protruding 21 is coaxially arranged with base 1, its internal diameter or external diameter corresponding to base 1, mounting platform 2 and base 1 upper end is facilitated to fasten, for strengthening its interchangeability, the annulus projection 21 that many groups are coaxial can be set, to adapt to the base 1 of different pore size, meet the centering demand of the suspension rod embedded hole pipe 6 of different model, can also adopt between annulus protruding 21 and base 1 upper end and be threaded, convenient location and installation, generating device of laser 3 is positioned in the middle part of mounting platform 2 end face, the laser beam produced and base 1 central axes.
As shown in Figure 3, positioning disk 4 is disc, offers laser passing hole 41 at its circle centre position.
As seen from Figure 4, laser target 5 is decorated with groove, center is provided with cross target center.
Certainly, by the crosssection shape design camber of positioning disk 4 and laser target 5, fully to fit with arch rib skeleton 8, can also consider that bridge size is larger, arch rib skeleton 8 local is levelling more convenient, and positioning disk 4 and the laser target 5 of plane form can meet centering requirement.
Composition graphs 1 to Fig. 4 can find out, the centering method of above-mentioned centralising device is:
First, be placed on by base 1 on the suspension rod embedded hole pipe 6 of Liang Tishang, base 1 lower surface abuts with beam body 7 upper surface, now, because base 1 is coaxial with suspension rod embedded hole pipe 6, the laser beam that generating device of laser 3 produces overlaps with the center line of beam body upper hanger embedded hole pipe 6;
Secondly, generating device of laser 3 upwards sends laser beam, is placed in by positioning disk 4 on arch rib skeleton 8 lower surface, makes laser beam pass laser passing hole 41;
Then, laser target 5 is placed in arch rib skeleton 8 upper surface, laser beam is allowed to fall in this laser target 5, and form bright hot spot at its target center place, namely laser passing hole 41 and target center position can be used as the center of the suspension rod embedded hole on arch framing frame 8, finally, by arranging embedded hole pipe or axle, make its axis just by this 2 point, the suspension rod embedded hole that can complete on arch rib skeleton 8 is arranged.
Embodiment 2:
As shown in Figure 5 and Figure 6, a kind of tied arch bridge hanger rod embedded hole centralising device, comprise base 1, mounting platform 2, generating device of laser 3, positioning disk 4 and laser target 5, wherein, generating device of laser 3, positioning disk 4 and laser target 5 in the same manner as in Example 1, do not repeat in figure positioning disk 4 and laser target 5 are shown, base 1 is made up of two columns be oppositely arranged 11, column 11 lower end is supported on beam body 7 upper surface, mounting platform 2 to be arranged between two columns 11 position by the top, this mounting platform 2 is connected with two heel posts 11 by rotating shaft 12 (in figure shown in dotted line), mounting platform 2 can be the rotation of 360 °, axis with rotating shaft 12, two columns 11 are respectively arranged with dismountable alignment pin 13 on sustained height, when mounting platform 2 is parallel with beam body 7 upper surface, this alignment pin 13 just in time abuts with mounting platform 2 lower surface.
Rotating shaft 12 can be the body of rod horizontally through the center of mounting platform 2, two sections can also be set to as shown in FIG., lay respectively at the both sides of mounting platform 2, to make mounting platform 2 can with this rotating shaft 12 (or its line) for axis rotates, namely this rotating shaft 12 can be fixed with column 11, be rotatably connected with mounting platform 2, also can fix with mounting platform 2, be rotatably connected with column 11.
The centering method of this centralising device is:
Step 1, mounting seat 1 is on beam body 7 upper surface, rotate mounting platform 2, make generating device of laser 3 downward, and carry out spacing with alignment pin 13 pairs of mounting platforms 2, positioning disk 4 is installed in suspension rod embedded hole pipe 6 upper surface on beam body 7, laser target 5 is installed in lower surface, with reference to the centering method in embodiment 1, makes generating device of laser 3 send laser beam downwards, laser beam through laser passing hole 41, and forms bright hot spot at the target center place of laser target 5;
Step 2, takes off alignment pin 13, and 180 ° are rotated mounting platform 2, make generating device of laser 3 straight up, again locate, upwards send laser beam, install positioning disk 4, make laser beam by its laser passing hole 41 in arch rib skeleton 8 lower surface;
Step 3, installs laser target 5 in arch rib skeleton 8 upper surface, when laser beam forms bright hot spot at its target center place, namely completes centering operation.
It should be noted that, above embodiment is only in order to illustrate technical solutions of the utility model but not restriction technologies scheme, although applicant is explained in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, those amendments that technical solutions of the utility model are carried out or equivalently to replace, aim and the scope of the technical program can not be departed from, all should be encompassed in the middle of the utility model right.
Claims (6)
1. a tied arch bridge hanger rod embedded hole centralising device, it comprises:
Be supported in beam body upper surface base (1);
Mounting platform (2), it is arranged on described base (1) upper end, and parallels with this base (1) lower surface;
Be arranged on the generating device of laser (3) on described mounting platform (2);
Mark module, itself and described mounting platform (2) are just right, and comprise positioning disk (4) and laser target (5), described positioning disk (4) center is provided with laser passing hole (41);
During centering operation, the laser beam that generating device of laser (3) sends by laser passing hole (41), and finally forms bright hot spot in the target center position of laser target (5).
2. tied arch bridge hanger rod embedded hole centralising device according to claim 1, it is characterized in that: described base (1) is a cylinder-shaped sleeve, its internal diameter is corresponding to the suspension rod embedded hole pipe (6) stretching out beam body upper surface, described mounting platform (2) is in disc or ellipse, and coaxially arrange with described base (1), described generating device of laser (3) is positioned at the center of this mounting platform (2) end face.
3. tied arch bridge hanger rod embedded hole centralising device according to claim 2, it is characterized in that: described mounting platform (2) bottom surface is provided with downward annulus projection (21), described annulus projection (21) and base (1) are coaxially arranged, and this base (1) upper end is sheathed on this annulus projection (21) outside or inner side.
4. tied arch bridge hanger rod embedded hole centralising device according to claim 1, it is characterized in that: described base (1) comprises 2 symmetrically arranged columns (11), and described mounting platform (2) is arranged between two columns (11) turningly.
5. tied arch bridge hanger rod embedded hole centralising device according to claim 4, it is characterized in that: described mounting platform (2) is connected with column (11) rotationally by rotating shaft (12), this rotating shaft (12) is by the center of described mounting platform (2).
6. tied arch bridge hanger rod embedded hole centralising device according to claim 5, it is characterized in that: described two columns (11) are removably provided with alignment pin (13) respectively, this alignment pin (13) abuts with mounting platform (2) bottom surface, and two alignment pins (13) are positioned on the sustained height of column (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420599128.XU CN204125844U (en) | 2014-10-16 | 2014-10-16 | Tied arch bridge hanger rod embedded hole centralising device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420599128.XU CN204125844U (en) | 2014-10-16 | 2014-10-16 | Tied arch bridge hanger rod embedded hole centralising device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204125844U true CN204125844U (en) | 2015-01-28 |
Family
ID=52382214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420599128.XU Withdrawn - After Issue CN204125844U (en) | 2014-10-16 | 2014-10-16 | Tied arch bridge hanger rod embedded hole centralising device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204125844U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104278641A (en) * | 2014-10-16 | 2015-01-14 | 中铁七局集团第三工程有限公司 | Tied arch bridge hanger rod embedded hole centering device and method |
| CN106801470A (en) * | 2017-03-21 | 2017-06-06 | 中国五冶集团有限公司 | A kind of quick pedestal anchor bolt structure in place |
| CN111267044A (en) * | 2020-04-01 | 2020-06-12 | 江苏核电有限公司 | Tool and method for positioning bolt reloading of main sealing surface of reactor |
| CN111893894A (en) * | 2020-08-05 | 2020-11-06 | 中铁十六局集团第五工程有限公司 | Centering device for pre-buried holes of suspenders in tied-rod arch bridge |
-
2014
- 2014-10-16 CN CN201420599128.XU patent/CN204125844U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104278641A (en) * | 2014-10-16 | 2015-01-14 | 中铁七局集团第三工程有限公司 | Tied arch bridge hanger rod embedded hole centering device and method |
| CN104278641B (en) * | 2014-10-16 | 2015-12-23 | 中铁七局集团第三工程有限公司 | Tied arch bridge hanger rod embedded hole centralising device and centering method thereof |
| CN106801470A (en) * | 2017-03-21 | 2017-06-06 | 中国五冶集团有限公司 | A kind of quick pedestal anchor bolt structure in place |
| CN111267044A (en) * | 2020-04-01 | 2020-06-12 | 江苏核电有限公司 | Tool and method for positioning bolt reloading of main sealing surface of reactor |
| CN111893894A (en) * | 2020-08-05 | 2020-11-06 | 中铁十六局集团第五工程有限公司 | Centering device for pre-buried holes of suspenders in tied-rod arch bridge |
| CN111893894B (en) * | 2020-08-05 | 2021-09-07 | 中铁十六局集团第五工程有限公司 | Centering device for pre-buried holes of suspenders in tied-rod arch bridge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150128 Effective date of abandoning: 20151223 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |