CN110926388B - Structure for determining center position of pier column and application thereof - Google Patents
Structure for determining center position of pier column and application thereof Download PDFInfo
- Publication number
- CN110926388B CN110926388B CN201911221359.0A CN201911221359A CN110926388B CN 110926388 B CN110926388 B CN 110926388B CN 201911221359 A CN201911221359 A CN 201911221359A CN 110926388 B CN110926388 B CN 110926388B
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- Prior art keywords
- support
- pier
- guide rail
- bridge
- laser
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Links
- 238000003466 welding Methods 0.000 claims description 5
- 239000003973 paint Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 7
- 238000005422 blasting Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000002360 explosive Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/026—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring distance between sensor and object
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention relates to a structure for determining the central position of a pier stud and application thereof, and the structure comprises a ground support, wherein the upper end surface of the ground support is fixedly connected with a guide rail, the included angle between the contact surface of the ground support and the guide rail and the horizontal plane is 45 degrees, the guide rail is connected with a distance measuring and positioning device, the angle of the distance measuring and positioning device is adjustable, the upper end of a bridge floor is fixedly connected with a bridge floor support, and the upper end surface of the bridge floor support is fixedly. The center position of the pier is determined by emitting light beams through sliding, ranging and laser ranging and by means of the plumb bob, the center position of the pier is determined conveniently and quickly, and the pier is accurate in positioning and easy to operate.
Description
Technical Field
The invention relates to a structure for determining the center position of a pier stud, application thereof and an implementation method thereof, belonging to the field of bridge and house building demolition.
Background
When the service life of a bridge or a house is long or the construction quality is problematic, the bridge or the house needs to be dismantled, the dismantling comprises two methods of mechanical dismantling and blasting dismantling, the mechanical dismantling safety is high, but the construction speed is slow; blasting demolition has certain risk, but the construction speed is high, and at present, blasting demolition methods are mostly adopted for demolishing many bridges and houses in China. When blasting demolition, the important thing is to blast demolition the pier stud below, when blasting demolition of the pier stud, a drill hole needs to be vertically drilled downwards above the bridge floor, the goblet penetrates through the bridge floor structure and enters the center axis position of the pier stud, then explosive is placed into the drill hole of the pier stud, and when the explosive explodes, the pier stud is blasted. The exact determination of the position of the central axis of the pier is very important for the implementation of the blasting, whereas it is difficult to directly observe the position of the pier from the upper part of the deck. The central position of the pier column is generally determined by using a total station instrument, the central position of the pier column at the position determined by continuously adjusting the position of the reflector on the bridge floor is required by the method, the method is very time-consuming, and the technical requirement on operators is high.
For example, application No. 2016106085534 discloses a method for determining the center position of a pier stud by using a bracket, which is cumbersome to implement and difficult to operate.
Disclosure of Invention
The invention aims to solve the technical problem of providing a structure for determining the center position of a pier stud and application thereof.
In order to solve the above problems, the specific technical scheme of the invention is as follows: the utility model provides a confirm structure that pier stud central point put and use, includes the ground support, and ground support up end fixedly connected with guide rail, the contact surface and the horizontal plane contained angle of ground support and guide rail are 45, are connected with range finding positioner on the guide rail, and range finding positioner angularly adjustable, bridge floor upper end fixedly connected with bridge floor support, bridge floor support up end fixedly connected with reflection part.
The distance measuring and positioning device is formed by hinging a support end and a clamping end, the clamping end clamps a laser distance measuring instrument, the support end is of an inverted T-shaped structure, and a locking bolt is arranged at the hinged position of the support end and the clamping end. The distance measuring and positioning device comprises two sections, wherein the support end is inverted T-shaped and just clamped in the groove of the guide rail and can freely slide along the groove, the clamping end is in a notch shape and is used for clamping the laser distance measuring instrument, the support end and the clamping end are hinged, the two sections can freely rotate along the hinge, a locking bolt is arranged on one side of the hinge, and when the bolt is screwed down, the two sections are firmly locked and cannot rotate along the hinge.
The guide rail is of a groove structure, the shape of the groove corresponds to that of the support end, and the support end slides on the guide rail.
The upper end face of the support end is connected with a fixing bolt in a penetrating mode, and a screw rod part of the fixing bolt is in contact with the end face of the groove of the guide rail. The support end is also provided with a fixing bolt, when the bolt is screwed down, the support end is fixed on the guide rail, and the distance measuring and positioning device cannot move along the guide rail, so that the stability is kept.
The ground support consists of a vertical rod I and a horizontal rod I which are fixedly connected, and the included angle between the horizontal rod I and the horizontal plane is 45 degrees.
The bridge deck support is composed of a vertical rod II and a cross rod II in welded connection, an included angle between the cross rod II and a horizontal plane is 45 degrees, and the extension line of the cross rod II is intersected with the extension line of the cross rod I.
The reflecting piece is a mirror surface.
The implementation method of the pier stud center position determining system comprises the following steps: 1) firstly, driving a ground support on the ground, locating the ground support on one side of a pier, slightly facing one side of the bridge outside under the edge of the bridge deck, and enabling the ground support to be parallel to the trend of the bridge through measuring equipment; 2) installing a bridge deck support at the edge of the bridge deck to enable the mirror surface to extend out of the edge of the bridge deck; 3) measuring the position of the center line of the bridge floor by using a tape measure, and marking by using red paint; 4) welding a guide rail on the cross rod I, placing a ranging and positioning device on the guide rail, and placing a laser range finder on the clamping end; 5) rotating the clamping end to enable the laser range finder to be in a horizontal state, enabling a laser emitting opening of the laser range finder to face the bridge side, and screwing a locking bolt; 6) starting the laser range finder to enable a laser emission point to be located on the bridge pier, continuously moving the support end along the guide rail, and continuously measuring the distance, wherein when the measured distance is the minimum, the laser just passes through the center position of the bridge pier; 7) screwing down the fixing bolt on the support end to ensure that the support end cannot move along the guide rail; 8) loosening a locking bolt on the hinged part, rotating the clamping end, enabling an emitting opening of the laser range finder to be vertically upward, and horizontally emitting laser after the laser is reflected by the mirror surface; 3) and (3) utilizing the plumb to enable the plumb to align to the center line of the bridge deck and move along the center line of the bridge deck, and when the laser reaches the rope of the plumb, the position right below the plumb is the center position of the pier.
The invention has the following beneficial effects: slide on the guide rail behind laser range finder clamping laser range finder, guarantee along the guide rail constantly remove the support end, constantly measure the distance, when measuring the distance when minimum, laser is just in time through the central point of pier and is put this moment, laser range finder's transmission mouth is perpendicular upwards, laser is after the reflection of reflection piece this moment, the level jets out, recycle the plummet, make the plummet aim at the bridge floor central line, and move along bridge floor central line position, when laser reachs on the rope of plummet, be the central point of pier under the plummet this moment, convenient and fast's definite pier central point puts, the location is accurate, easy to operate.
Drawings
Fig. 1 is a schematic structural view of a structure for determining the center position of a pier stud.
Detailed Description
As shown in figure 1, the structure for determining the center position of the pier stud and the application thereof comprise a ground support 1, wherein a guide rail 2 is fixedly connected to the upper end face of the ground support 1, the included angle between the contact surface of the ground support 1 and the guide rail 2 and the horizontal plane is 45 degrees, a distance measuring and positioning device is connected to the guide rail 2, the angle of the distance measuring and positioning device is adjustable, a bridge deck support 5 is fixedly connected to the upper end face of a bridge deck support 5, and a reflection part 6 is fixedly connected to the upper end face of the bridge. The ground support 1 is made of steel, the cross bar I1-2 is a steel plate with a rectangular section, the width is 3-8 cm, the length is 2-5 m, and the thickness is 0.5-1.0 cm; the vertical rod I1-1 is a plurality of steel bars and is welded with the cross rod I1-2, the cross rod I1-2 is obliquely crossed with the vertical rod I1-1, the top surface of the cross rod I1-2 faces one side of the bridge, and the vertical rod I1-1 is vertically driven into the ground around the bridge.
The distance measuring and positioning device is formed by hinging a support end 7 and a clamping end 8, the laser distance measuring instrument 4 is clamped by the clamping end 8, the support end 7 is of an inverted T-shaped structure, and a locking bolt 3 is arranged at the hinging part of the support end 7 and the clamping end 8.
The guide rail 2 is of a groove structure, the shape of the groove corresponds to that of the support end 7, and the support end 7 slides on the guide rail 2.
The upper end face of the support end 7 is connected with a fixing bolt 7-1 in a penetrating way, and the screw part of the fixing bolt 7-1 is contacted with the end face of the groove of the guide rail 2.
The ground support 1 consists of a vertical rod I1-1 and a cross rod I1-2 which are fixedly connected, and the included angle between the cross rod I1-2 and the horizontal plane is 45 degrees.
The bridge deck support 5 is formed by welding and connecting a vertical rod II5-1 and a cross rod II5-2, an included angle between the cross rod II5-2 and a horizontal plane is 45 degrees, and an extension line of the cross rod II5-2 is intersected with an extension line of the cross rod I1-2.
The reflecting member 6 is a mirror surface.
The application of the structure for determining the center position of the pier stud comprises the following steps: 1) firstly, a ground support 1 is arranged on the ground and positioned at one side of a pier, the lower part of the edge of a bridge deck slightly faces to the outer side of the bridge, and the ground support is made to be parallel to the trend of the bridge through measuring equipment; 2) installing a bridge deck support at the edge of the bridge deck to enable the mirror surface to extend out of the edge of the bridge deck; 3) measuring the position of the center line of the bridge floor by using a tape measure, and marking by using red paint; 4) welding a guide rail 2 on a cross rod I1-2, placing a ranging and positioning device on the guide rail, and placing a laser range finder 4 in a clamping end 8; 5) rotating the clamping end 8 to enable the laser range finder 4 to be in a horizontal state, enabling a laser emitting opening of the laser range finder to face the bridge side, and screwing the locking bolt 3; 6) starting the laser range finder 4 to enable a laser emission point to be positioned on the bridge pier, continuously moving the support end 7 along the guide rail 2, and continuously measuring the distance, wherein when the measured distance is the minimum, the laser just passes through the center position of the bridge pier; 7) tightening the fixing bolt 7-1 on the support end 7 so that the support end 7 cannot move along the guide rail 2; 8) loosening the locking bolt 3 on the hinged part, rotating the clamping end 8, enabling the emitting port of the laser range finder 4 to be vertically upward, and horizontally emitting laser after being reflected by the mirror surface; 3) and (3) utilizing the plumb to enable the plumb to align to the center line of the bridge deck and move along the center line of the bridge deck, and when the laser reaches the rope of the plumb, the position right below the plumb is the center position of the pier.
What has been described above is merely a preferred embodiment of the invention. It should be noted that variations and modifications can be made by those skilled in the art without departing from the principle of the present invention, and they should also be considered as falling within the scope of the present invention.
Claims (6)
1. The utility model provides a confirm structure of pier stud central point position which characterized in that: the device comprises a ground support (1), wherein the upper end face of the ground support (1) is fixedly connected with a guide rail (2), the included angle between the contact surface of the ground support (1) and the guide rail (2) and the horizontal plane is 45 degrees, the guide rail (2) is connected with a distance measuring and positioning device, the angle of the distance measuring and positioning device is adjustable, the upper end of a bridge deck is fixedly connected with a bridge deck support (5), and the upper end face of the bridge deck support (5) is fixedly connected with a reflecting part (6);
the distance measuring and positioning device is formed by hinging a support end (7) and a clamping end (8), the laser distance measuring instrument (4) is clamped by the clamping end (8), the support end (7) is of an inverted T-shaped structure, and a locking bolt (3) is arranged at the hinging position of the support end (7) and the clamping end (8);
the guide rail (2) is of a groove structure, the shape of the groove corresponds to that of the support end (7), and the support end (7) slides on the guide rail (2).
2. The structure for determining the center position of a pier of claim 1, wherein: the upper end face of the support end (7) is connected with a fixing bolt (7-1) in a penetrating way, and the screw part of the fixing bolt (7-1) is contacted with the groove end face of the guide rail (2).
3. The structure for determining the center position of a pier of claim 1, wherein: the ground support (1) consists of a vertical rod I (1-1) and a transverse rod I (1-2) which are fixedly connected, and the included angle between the transverse rod I (1-2) and the horizontal plane is 45 degrees.
4. The structure for determining the center position of a pier of claim 3, wherein: the bridge deck support (5) is formed by welding and connecting a vertical rod II (5-1) and a transverse rod II (5-2), an included angle between the transverse rod II (5-2) and the horizontal plane is 45 degrees, and the extension lines of the transverse rod II (5-2) and the transverse rod I (1-2) are intersected.
5. The structure for determining the center position of a pier of claim 1, wherein: the reflecting piece (6) is a mirror surface.
6. Use of a structure for determining the position of the centre of a pier in accordance with claim 5, characterised by the following steps: 1) firstly, a ground support (1) is arranged on the ground and positioned at one side of a pier, the side of the ground is slightly outward of a bridge under the edge of the bridge deck, and the ground support is parallel to the trend of the bridge through a measuring device; 2) installing a bridge deck support at the edge of the bridge deck to enable the mirror surface to extend out of the edge of the bridge deck; 3) measuring the position of the center line of the bridge floor by using a tape measure, and marking by using red paint; 4) welding a guide rail (2) on a cross rod I (1-2), placing a ranging and positioning device on the guide rail, and placing a laser range finder (4) into a clamping end (8); 5) rotating the clamping end (8) to enable the laser range finder (4) to be in a horizontal state, enabling a laser emitting opening of the laser range finder to face the bridge side, and screwing the locking bolt (3); 6) starting the laser range finder (4) to enable a laser emission point to be positioned on the bridge pier, continuously moving the support end (7) along the guide rail (2), and continuously measuring the distance, wherein when the measured distance is the minimum, the laser just passes through the center position of the bridge pier; 7) tightening the fixing bolt (7-1) on the support end (7) so that the support end (7) cannot move along the guide rail (2); 8) loosening the locking bolt (3) on the hinged part, rotating the clamping end (8), enabling the emitting opening of the laser range finder (4) to be vertically upward, and horizontally emitting laser after being reflected by the mirror surface; 3) and (3) utilizing the plumb to enable the plumb to align to the center line of the bridge deck and move along the center line of the bridge deck, and when the laser reaches the rope of the plumb, the position right below the plumb is the center position of the pier.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911221359.0A CN110926388B (en) | 2019-12-03 | 2019-12-03 | Structure for determining center position of pier column and application thereof |
| LU102415A LU102415B1 (en) | 2019-12-03 | 2020-07-22 | Structure for determining central position of pier and central position determination method |
| PCT/CN2020/103619 WO2021000965A1 (en) | 2019-12-03 | 2020-07-22 | Structure for determining central position of pier and central position determination method |
| JP2021561920A JP7143557B2 (en) | 2019-12-03 | 2020-07-22 | Structure for determining the center position of the pier and method for determining the center position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911221359.0A CN110926388B (en) | 2019-12-03 | 2019-12-03 | Structure for determining center position of pier column and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110926388A CN110926388A (en) | 2020-03-27 |
| CN110926388B true CN110926388B (en) | 2021-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911221359.0A Active CN110926388B (en) | 2019-12-03 | 2019-12-03 | Structure for determining center position of pier column and application thereof |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP7143557B2 (en) |
| CN (1) | CN110926388B (en) |
| LU (1) | LU102415B1 (en) |
| WO (1) | WO2021000965A1 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110926388B (en) * | 2019-12-03 | 2021-07-13 | 中铁九局集团有限公司 | Structure for determining center position of pier column and application thereof |
| CN113696193B (en) * | 2021-08-02 | 2022-10-04 | 南华大学 | Robot-assisted positioning device and positioning method for disassembly and assembly of primary side blocking plate |
| CN113864598B (en) * | 2021-09-27 | 2023-04-11 | 刘晓丹 | Auxiliary support of photoelectric distance measuring instrument for measuring distance |
| CN114310232B (en) * | 2022-01-23 | 2022-12-02 | 南华大学 | Auxiliary positioning device and method for a robot for installing and disassembling a primary side blocking plate |
| CN114754704B (en) * | 2022-01-24 | 2025-05-27 | 武汉轻工工程技术有限公司 | A high-sensitivity non-contact bridge angle monitoring device |
| CN115507745B (en) * | 2022-09-20 | 2024-08-09 | 重庆交通大学 | A spatial coordinate measuring instrument and measuring method for main arch ring nodes of arch bridge |
| CN116122592A (en) * | 2022-11-16 | 2023-05-16 | 中铁十九局集团第五工程有限公司 | Embedded part mounting device and mounting construction method thereof |
| CN117685933B (en) * | 2023-11-03 | 2025-02-07 | 广东省公路建设有限公司湾区特大桥养护技术中心 | A relative coordinate positioning method and system for inspection equipment inside a large-span steel box girder |
| CN118795489B (en) * | 2024-09-13 | 2025-01-24 | 陕西炬烽建筑劳务有限公司 | A construction cost measurement device |
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- 2019-12-03 CN CN201911221359.0A patent/CN110926388B/en active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| LU102415B1 (en) | 2021-06-09 |
| WO2021000965A1 (en) | 2021-01-07 |
| CN110926388A (en) | 2020-03-27 |
| JP7143557B2 (en) | 2022-09-29 |
| JP2022522055A (en) | 2022-04-13 |
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