CN113684759A - Cable crane main cable and anchorage pre-stressed anchoring connection device and construction method - Google Patents
Cable crane main cable and anchorage pre-stressed anchoring connection device and construction method Download PDFInfo
- Publication number
- CN113684759A CN113684759A CN202111057831.9A CN202111057831A CN113684759A CN 113684759 A CN113684759 A CN 113684759A CN 202111057831 A CN202111057831 A CN 202111057831A CN 113684759 A CN113684759 A CN 113684759A
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- main cable
- anchorage
- anchoring
- cable
- concrete
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- 238000004873 anchoring Methods 0.000 title claims abstract description 70
- 238000010276 construction Methods 0.000 title claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 68
- 239000010959 steel Substances 0.000 claims abstract description 68
- 238000006243 chemical reaction Methods 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims description 5
- 238000005553 drilling Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Classifications
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- 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
- E01D19/16—Suspension cables; Cable clamps for suspension cables ; Pre- or post-stressed cables
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- 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
- E01D19/14—Towers; Anchors ; Connection of cables to bridge parts; Saddle supports
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
Abstract
A cable crane main cable and anchorage pre-stressed anchoring connection device and a construction method relate to the field of cable hoisting construction. The invention comprises an embedded steel strand, an embedded steel bar, a main cable anchoring part, a conversion part, a connecting part and a main cable anchoring wheel, wherein the embedded steel strand is embedded in a concrete anchorage, one end of the embedded steel strand is exposed out of the concrete anchorage, the exposed end is a tensioning end, and the other end is a fixed end; the bottom of the main cable anchoring part is fixedly connected with the tensioning end of the embedded steel strand, embedded steel bars are welded on two sides of the bottom of the main cable anchoring part, and the embedded steel bars are embedded in the concrete anchorage and are parallel to the embedded steel strand; the upper part of the main cable anchoring part is connected with the lower part of the conversion part through a steel pin shaft, the upper part of the conversion part is connected with the lower part of the connecting part through a steel pin shaft, and the main cable anchoring wheel is arranged on the upper part of the connecting part. The invention fully utilizes the performance of the anchorage, has good anchorage performance, flexible construction operation, safe and convenient operation, high construction speed and low construction cost, reduces the steel consumption of the anchorage connecting device, and can recycle most components.
Description
Technical Field
The invention relates to the field of cable hoisting construction, in particular to a prestressed anchorage connecting device and a construction method for a main cable and an anchorage of a cable crane, wherein the main cable and the anchorage are firstly prestressed to firmly fix an anchorage on the anchorage and give full play to the use efficiency of the anchorage and the anchorage.
Background
At present, in the construction of a large-span arch bridge, the first-choice construction scheme is cable hoisting generally, and in order to ensure the construction safety of a cable hoisting main cable, a huge ground anchor is required to be arranged to meet the requirement of the tension of the main cable. Therefore, the main cable anchoring and connecting device with reliable construction can effectively connect the main cable with the anchor and can fully play the using functions of the anchor and the anchoring and connecting device, thereby reducing the manufacturing cost of the cable crane.
The traditional main cable anchoring and connecting device is characterized in that an anchoring beam is arranged on an anchor, and a main cable is wound on the anchoring beam and is bound and fixed. The anchoring connecting device can shake in the operation process of the main cable, so that the bearing cable and the anchoring beam move longitudinally and transversely relatively, the bearing cable is seriously abraded, and certain potential safety hazards exist in the operation of the cable crane.
Disclosure of Invention
The invention aims to solve the problems that the existing anchoring connection device can shake in the operation process of a main cable to cause serious abrasion of a bearing cable and have certain potential safety hazard to the operation of a cable crane.
The invention relates to a prestressed anchoring connection device for a main cable and an anchorage of a cable crane, which is fixed on a concrete anchorage of a pile foundation and is characterized in that the connection device comprises an embedded steel strand, embedded steel bars, a main cable anchoring part, a conversion part, a connecting part and a main cable anchoring wheel, wherein the embedded steel strand is embedded in the concrete anchorage, one end of the embedded steel strand is exposed out of the concrete anchorage, the exposed end is a stretching end, and the other end is a fixed end; the bottom of the main cable anchoring part is fixedly connected with the tensioning end of the embedded steel strand, embedded steel bars are welded on two sides of the bottom of the main cable anchoring part, and the embedded steel bars are embedded in the concrete anchorage and are parallel to the embedded steel strand; the upper part of the main cable anchoring part is connected with the lower part of the conversion part through a steel pin shaft, the upper part of the conversion part is connected with the lower part of the connecting part through a steel pin shaft, and the main cable anchoring wheel is arranged on the upper part of the connecting part.
The top of the main cable anchoring part is vertically provided with two parallel connecting plates, and the middle of each connecting plate is provided with a bolt hole; the conversion part comprises four connecting plates which are respectively connected with an upper plate and a lower plate, the upper plate and the lower plate are arranged in a staggered manner and are parallel to each other, and bolt holes are arranged between the upper plate and the lower plate; two parallel connecting plates are vertically arranged at the lower part of the connecting piece, and bolt holes are arranged on the connecting plates; the connecting plate at the top of the main cable anchoring part is connected with the connecting lower plate of the connecting part through a steel pin shaft, and the connecting upper plate of the connecting part is connected with the connecting plate of the conversion part through a steel pin shaft.
The cable crane main cable and anchorage pre-stressed anchoring connection device has the following construction process:
(1) setting out the pile foundation of the anchorage by using a total station;
(2) adopting an impact drilling machine to construct a pile foundation, and pouring the pile foundation;
(3) pouring concrete anchorages, embedding steel stranded wires and steel plates in the concrete anchorages, accurately positioning during embedding, and firmly reinforcing;
(4) after the concrete anchorage reaches the designed tensile strength, installing a main cable anchoring piece, and tensioning the pre-embedded steel strand to firmly fix the main cable anchoring piece on the concrete anchorage;
(5) welding the main cable anchoring part and the embedded steel plate to connect the main cable anchoring part and the concrete anchorage into a whole so as to bear force together;
(6) connecting the main cable anchoring part with the conversion part by adopting a 45# steel pin shaft;
(7) connecting the conversion piece with the connecting piece by adopting a 45# steel pin shaft;
(8) the main cable anchoring wheel is connected with a hoisting main cable of the cable or connected with a cable hoisting main cable adjusting system.
The cable crane main cable and anchorage prestressed anchoring connection device and the construction method have the advantages of scientific design, convenient construction, simple structure, capability of fully utilizing the performance of the anchorage, simple structure, good anchoring performance, flexible construction operation, safe and convenient operation, high construction speed, low construction cost and the like, and provide a brand-new main cable anchoring structure and construction method for a cable hoisting system; compared with the traditional main cable anchoring and connecting device, the steel consumption of the anchoring and connecting device is greatly reduced, most components of the anchoring and connecting device can be reused, and the main cable anchoring and connecting device has good economic and environment-friendly benefits.
Drawings
FIG. 1 is an assembled elevational view of the anchor connection.
Fig. 2 is a schematic view of the structure of the anchor connecting device.
Fig. 3 is a schematic front view of the main cable anchor.
Fig. 4 is a side view of the main cable anchor.
Fig. 5 is a schematic front structure diagram of the connector.
Fig. 6 is a schematic side view of the connector.
Fig. 7 is a front structural view of the conversion member.
The concrete anchor comprises a pile foundation 1, a concrete anchor 2, embedded steel strands 3, embedded steel bars 4, a main cable anchoring part 5, a conversion part 6, a connecting part 7, a main cable anchoring wheel 8, a connecting plate 9, an upper connecting plate 10, a lower connecting plate 11 and a plug pin hole 12.
Detailed Description
Example 1: a cable crane main cable and anchorage prestressed anchorage connecting device is fixed on a concrete anchorage of a pile foundation and is characterized in that the connecting device comprises a pre-buried steel strand, pre-buried steel bars, a main cable anchorage, a conversion part, a connecting part and a main cable anchorage wheel, wherein the pre-buried steel strand is pre-buried in the concrete anchorage, one end of the pre-buried steel strand is exposed out of the concrete anchorage, the exposed end is a tensioning end, and the other end is a fixed end; the bottom of the main cable anchoring part is fixedly connected with the tensioning end of the embedded steel strand, embedded steel bars are welded on two sides of the bottom of the main cable anchoring part, and the embedded steel bars are embedded in the concrete anchorage and are parallel to the embedded steel strand; the upper part of the main cable anchoring part is connected with the lower part of the conversion part through a steel pin shaft, the upper part of the conversion part is connected with the lower part of the connecting part through a steel pin shaft, and the main cable anchoring wheel is arranged on the upper part of the connecting part.
Two parallel connecting plates are vertically arranged at the top of the main cable anchoring part, and a bolt hole is formed in the middle of each connecting plate; the conversion part comprises four connecting plates which are respectively connected with an upper plate and a lower plate, the upper plate and the lower plate are arranged in a staggered manner and are parallel to each other, and bolt holes are arranged between the upper plate and the lower plate; two parallel connecting plates are vertically arranged at the lower part of the connecting piece, and bolt holes are arranged on the connecting plates; the connecting plate at the top of the main cable anchoring part is connected with the connecting lower plate of the connecting part through a steel pin shaft, and the connecting upper plate of the connecting part is connected with the connecting plate of the conversion part through a steel pin shaft.
The cable crane main cable and anchorage prestress anchoring connection device has the following construction process:
(1) setting out the pile foundation of the anchorage by using a total station;
(2) adopting an impact drilling machine to construct a pile foundation, and pouring the pile foundation;
(3) pouring concrete anchorages, embedding steel stranded wires and steel plates in the concrete anchorages, accurately positioning during embedding, and firmly reinforcing;
(4) after the concrete anchorage reaches the designed tensile strength, installing a main cable anchoring piece, and tensioning the pre-embedded steel strand to firmly fix the main cable anchoring piece on the concrete anchorage;
(5) welding the main cable anchoring part and the embedded steel plate to connect the main cable anchoring part and the concrete anchorage into a whole so as to bear force together;
(6) connecting the main cable anchoring part with the conversion part by adopting a 45# steel pin shaft;
(7) connecting the conversion piece with the connecting piece by adopting a 45# steel pin shaft;
(8) the main cable anchoring wheel is connected with a hoisting main cable of the cable or connected with a cable hoisting main cable adjusting system.
Claims (3)
1. A cable crane main cable and anchorage prestressed anchorage connecting device is fixed on a concrete anchorage of a pile foundation and is characterized in that the connecting device comprises a pre-buried steel strand, pre-buried steel bars, a main cable anchorage, a conversion part, a connecting part and a main cable anchorage wheel, wherein the pre-buried steel strand is pre-buried in the concrete anchorage, one end of the pre-buried steel strand is exposed out of the concrete anchorage, the exposed end is a tensioning end, and the other end is a fixed end; the bottom of the main cable anchoring part is fixedly connected with the tensioning end of the embedded steel strand, embedded steel bars are welded on two sides of the bottom of the main cable anchoring part, and the embedded steel bars are embedded in the concrete anchorage and are parallel to the embedded steel strand; the upper part of the main cable anchoring part is connected with the lower part of the conversion part through a steel pin shaft, the upper part of the conversion part is connected with the lower part of the connecting part through a steel pin shaft, and the main cable anchoring wheel is arranged on the upper part of the connecting part.
2. The pre-stressed anchoring connection device for the main cable and the anchorage of the cable crane as claimed in claim 1, wherein two parallel connection plates are vertically arranged on the top of the anchoring part of the main cable, and a bolt hole is arranged in the middle of each connection plate; the conversion part comprises four connecting plates which are respectively connected with an upper plate and a lower plate, the upper plate and the lower plate are arranged in a staggered manner and are parallel to each other, and bolt holes are arranged between the upper plate and the lower plate; two parallel connecting plates are vertically arranged at the lower part of the connecting piece, and bolt holes are arranged on the connecting plates; the connecting plate at the top of the main cable anchoring part is connected with the connecting lower plate of the connecting part through a steel pin shaft, and the connecting upper plate of the connecting part is connected with the connecting plate of the conversion part through a steel pin shaft.
3. The cable crane main cable and anchorage pre-stressed anchoring connection device of claim 1, characterized in that the cable crane main cable and anchorage pre-stressed anchoring connection device has the following construction processes:
(1) setting out the pile foundation of the anchorage by using a total station;
(2) adopting an impact drilling machine to construct a pile foundation, and pouring the pile foundation;
(3) pouring concrete anchorages, embedding steel stranded wires and steel plates in the concrete anchorages, accurately positioning during embedding, and firmly reinforcing;
(4) after the concrete anchorage reaches the designed tensile strength, installing a main cable anchoring piece, and tensioning the pre-embedded steel strand to firmly fix the main cable anchoring piece on the concrete anchorage;
(5) welding the main cable anchoring part and the embedded steel plate to connect the main cable anchoring part and the concrete anchorage into a whole so as to bear force together;
(6) connecting the main cable anchoring part with the conversion part by adopting a 45# steel pin shaft;
(7) connecting the conversion piece with the connecting piece by adopting a 45# steel pin shaft;
(8) the main cable anchoring wheel is connected with a hoisting main cable of the cable or connected with a cable hoisting main cable adjusting system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111057831.9A CN113684759A (en) | 2021-09-09 | 2021-09-09 | Cable crane main cable and anchorage pre-stressed anchoring connection device and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111057831.9A CN113684759A (en) | 2021-09-09 | 2021-09-09 | Cable crane main cable and anchorage pre-stressed anchoring connection device and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113684759A true CN113684759A (en) | 2021-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111057831.9A Pending CN113684759A (en) | 2021-09-09 | 2021-09-09 | Cable crane main cable and anchorage pre-stressed anchoring connection device and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113684759A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116427276A (en) * | 2023-03-29 | 2023-07-14 | 中交一公局集团有限公司 | Bearing cable prestress anchoring structure of assembled cable hoisting system |
| CN116971492A (en) * | 2023-06-30 | 2023-10-31 | 中建安装集团有限公司 | Pre-buried hanging piece capable of bearing heavy and extra-heavy hanging load and construction method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH083922A (en) * | 1994-06-21 | 1996-01-09 | Hazama Gumi Ltd | Suspension bridge anchor and construction method |
| CN203066052U (en) * | 2012-12-18 | 2013-07-17 | 中国建筑第七工程局有限公司 | Geogrid component applicable to abutment of bridge and culvert |
| CN110042767A (en) * | 2019-05-30 | 2019-07-23 | 广西路桥工程集团有限公司 | A kind of fixing cable anchoring method of CABLEWAY ERECTION SYSTEM |
| CN209277152U (en) * | 2018-11-13 | 2019-08-20 | 四川路桥华东建设有限责任公司 | Marine large-tonnage cable crane owner track cable fining twisted steel anchor |
-
2021
- 2021-09-09 CN CN202111057831.9A patent/CN113684759A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH083922A (en) * | 1994-06-21 | 1996-01-09 | Hazama Gumi Ltd | Suspension bridge anchor and construction method |
| CN203066052U (en) * | 2012-12-18 | 2013-07-17 | 中国建筑第七工程局有限公司 | Geogrid component applicable to abutment of bridge and culvert |
| CN209277152U (en) * | 2018-11-13 | 2019-08-20 | 四川路桥华东建设有限责任公司 | Marine large-tonnage cable crane owner track cable fining twisted steel anchor |
| CN110042767A (en) * | 2019-05-30 | 2019-07-23 | 广西路桥工程集团有限公司 | A kind of fixing cable anchoring method of CABLEWAY ERECTION SYSTEM |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116427276A (en) * | 2023-03-29 | 2023-07-14 | 中交一公局集团有限公司 | Bearing cable prestress anchoring structure of assembled cable hoisting system |
| CN116971492A (en) * | 2023-06-30 | 2023-10-31 | 中建安装集团有限公司 | Pre-buried hanging piece capable of bearing heavy and extra-heavy hanging load and construction method thereof |
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Application publication date: 20211123 |
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