CN112845972A - Equipment for manufacturing standard steel wire of main cable strand of ultrahigh-strength suspension bridge - Google Patents
Equipment for manufacturing standard steel wire of main cable strand of ultrahigh-strength suspension bridge Download PDFInfo
- Publication number
- CN112845972A CN112845972A CN202110106905.7A CN202110106905A CN112845972A CN 112845972 A CN112845972 A CN 112845972A CN 202110106905 A CN202110106905 A CN 202110106905A CN 112845972 A CN112845972 A CN 112845972A
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- China
- Prior art keywords
- steel wire
- standard steel
- pressure
- hydraulic jack
- suspension bridge
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 101
- 239000010959 steel Substances 0.000 title claims abstract description 101
- 239000000725 suspension Substances 0.000 title claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 title claims description 27
- 230000001105 regulatory effect Effects 0.000 claims abstract description 8
- 230000001276 controlling effect Effects 0.000 claims abstract description 4
- 238000002360 preparation method Methods 0.000 claims abstract description 4
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000005253 cladding Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F1/00—Bending wire other than coiling; Straightening wire
- B21F1/02—Straightening
-
- 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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Ropes Or Cables (AREA)
Abstract
The utility model provides an ultrahigh strength suspension bridge main push-towing rope strand standard steel wire preparation equipment, it includes the board, tip clamping device, straight-through hydraulic jack, pressure sensor to and the hydraulic pump. And two ends of the standard steel wire are fixed between the end part clamping device and the steel wire clamping block. The feed-through hydraulic jack is located between the end clamping device and the pressure sensor. The hydraulic pump includes a pressure regulating valve for controlling the output pressure. The pressure regulating valve regulates the pressure of the straight-through hydraulic jack according to the pressure measured by the pressure sensor so as to ensure that the standard steel wire is parallel to the horizontal plane. This standard steel wire preparation equipment is guaranteeing when the standard steel wire is on a parallel with the horizontal plane guarantee promptly the cladding material of standard steel wire can not destroyed again when the standard steel wire is straightened to can improve the quality of the standard steel wire of producing.
Description
Technical Field
The invention relates to the technical field of manufacturing of cables for bridges, in particular to a device for manufacturing standard steel wires of main cable strands of an ultrahigh-strength suspension bridge.
Background
The suspension bridge is a bridge type with the largest span at present, and is widely used in the design of large-span bridges, and the design life is generally more than 100 years. When a main cable strand used for a suspension bridge is manufactured, a standard steel wire is needed to control the length precision of the main cable strand.
In the prior art, when a standard steel wire is manufactured, the steel wire is straightened on a scale which passes through a calibrated length, and then length marks are made on the standard steel wire. In the manufacturing process, one end of the standard steel wire is generally fixed, and the other end of the standard steel wire is tensioned by adopting a gravity weight to straighten the steel wire. No matter thick steel wire, thin steel wire, high-strength steel wire, low-strength steel wire, high elastic die or low elastic die, a fixed force is adopted to apply tension to the steel wire. Also, it is known that the outer surface of steel wires are provided with an anti-corrosion coating, such as an al-mg-zn coating, which in some cases, such as thin steel wires, can lead to breakage of these coatings and damage to the standard steel wire when the wire is straightened with a constant force.
Disclosure of Invention
In view of the above, the present invention provides a device for manufacturing standard steel wires for main cable strands of ultrahigh strength suspension bridges, so as to solve the above technical problems.
The utility model provides an ultrahigh strength suspension bridge main push-towing rope strand standard steel wire preparation equipment, it includes a board, one sets up tip clamping device on the board, one set up on the board and with the punch hydraulic jack that tip clamping device interval set up, one sets up punch hydraulic jack's pressure sensor to and one be used for punch hydraulic jack provides pressure's hydraulic pump. And two ends of the standard steel wire are fixed between the end part clamping device and the steel wire clamping block. The feed-through hydraulic jack is located between the end clamping device and the pressure sensor. The hydraulic pump includes a pressure regulating valve for controlling the output pressure. The pressure regulating valve regulates the pressure of the straight-through hydraulic jack according to the pressure measured by the pressure sensor so as to ensure that the standard steel wire is parallel to the horizontal plane.
Furthermore, the equipment for manufacturing the standard steel wire of the main cable strand of the ultrahigh-strength suspension bridge further comprises a pressure display instrument connected with the pressure sensor, and the pressure display instrument is used for displaying the pressure of the through hydraulic jack on the passing standard steel wire.
Furthermore, the manufacturing equipment of the standard steel wire of the main cable strand of the ultrahigh-strength suspension bridge also comprises a driving device for driving the through hydraulic jack to move.
Further, the driving device drives the feed-through hydraulic jack to move away from the end clamping device.
Further, the hydraulic pump also comprises a pressure gauge, and the pressure gauge is used for displaying the instant pressure of the hydraulic pump.
Furthermore, the manufacturing equipment of the standard steel wire of the main cable strand of the ultrahigh-strength suspension bridge further comprises a steel wire clamping block arranged on the through hydraulic jack, and the steel wire clamping block clamps the standard steel wire after the standard steel wire is manufactured.
Further, as the distance between the center-penetrating hydraulic jack and the end clamping device increases, the tension value of the standard steel wire gradually increases, and meanwhile, the pressure of the center-penetrating hydraulic jack increases.
Compared with the prior art, the equipment for manufacturing the standard steel wire of the main cable strand of the ultrahigh-strength suspension bridge, provided by the invention, has the advantages that the through hydraulic jack is used, different pressures can be applied according to different types of standard steel wires in the process of straightening the standard steel wire so as to avoid damage to a steel wire coating due to overlarge pressure, and meanwhile, along with the increase of the length of the standard steel wire, the hydraulic pump provides a proper pressure value for the through hydraulic jack according to the detected pressure value of the pressure sensor, so that the standard steel wire is ensured to be parallel to the horizontal plane, the standard steel wire is ensured to be straightened, the coating of the standard steel wire cannot be damaged, and the quality of the produced standard steel wire can be improved.
Drawings
Fig. 1 is a schematic structural diagram of equipment for manufacturing standard steel wires of main cable strands of an ultrahigh-strength suspension bridge provided by the invention.
Detailed Description
Specific examples of the present invention will be described in further detail below. It should be understood that the description herein of embodiments of the invention is not intended to limit the scope of the invention.
Fig. 1 is a schematic structural diagram of a device for manufacturing standard steel wires of a main cable strand of an ultra-high strength suspension bridge provided by the invention. The manufacturing equipment of the standard steel wire of the main cable strand of the ultrahigh-strength suspension bridge comprises a machine table 10, an end clamping device 20 arranged on the machine table 10, a through hydraulic jack 30 arranged on the machine table 10 and spaced from the end clamping device 20, a driving device 40 arranged on the machine table 10 and driving the through hydraulic jack 30 to move, a pressure sensor 50 arranged on the through hydraulic jack 30, a steel wire clamping block 60 arranged on the through hydraulic jack 30, and a hydraulic pump 70 for providing pressure for the through hydraulic jack 30. It is conceivable that the manufacturing equipment for the standard steel wire of the main cable strand of the ultra-high strength suspension bridge further includes other functional modules, such as an installation module, an assembly module, an electrical connection assembly, and a take-up reel disposed in front of and behind the machine, which are well known to those skilled in the art and will not be described in detail herein.
The machine 10 is configured to carry the functional modules, i.e., the end clamping device 20, the through hydraulic jack 30, the driving device 40, and the like, and may be configured according to actual needs, which is not described herein again.
The end clamp 20 is intended to hold one end of a standard steel wire being straightened, and is per se prior art. The end clamping device 20 is fixedly disposed on the machine table 10, and may include a base, a bolt screwed on the base, and a nut disposed on the bolt. One end of the bolt is provided with a through hole, and the other end of the bolt is screwed with the nut. When the standard steel wire needs to be clamped and fixed, one end of the standard steel wire is inserted into the through hole, the standard steel wire is positioned on one side of the base, and the nut is positioned on the other side of the base, so that the standard steel wire can be fixed on the end clamping device 20 while the nut is screwed tightly.
The center-penetrating hydraulic jack 30 is a conventional one, and achieves a jacking function by using double functions of a double hydraulic cylinder tensioning prestressed rib and a jacking anchor. This punch-through hydraulic jack 30 can press from both sides the other end of tight standard steel wire, and it can set for a pressure value according to actual needs, and it can adjust the pressure value of its output along with the length of the standard steel wire of flare-outing to can avoid destroying the cladding material of the surface of the tight standard steel wire of clamp. During the process of tensioning the standard steel wire, as the distance between the hydraulic feed-through jack 30 and the end clamping device 20 increases, the tension value of the standard steel wire increases gradually, and at the same time, the pressure of the hydraulic feed-through jack 20 should also increase to prevent the straightened standard steel wire from bending, which results in inaccurate length.
The driving device 40 is disposed on the machine platform 10, and may include a screw rod, the driving device 40 drives the screw rod to rotate, and the bottom of the through hydraulic jack 30 is provided with a threaded hole, so that when the screw rod rotates, the through hydraulic jack 30 can be driven to movably travel along the length direction of the standard steel wire and away from the end clamping device 20, thereby achieving the purpose of straightening the standard steel wire. Meanwhile, the damage to the plating layer of the outer surface of the standard steel wire can be avoided by setting the pressure value of the through hydraulic jack 30.
The pressure sensor 50 is also a through-type pressure sensor, which is disposed at one end of the through-type hydraulic jack 30 and is used for detecting the propping force of the through-type hydraulic jack 30 against the clamped standard steel wire. In order to know the pressure value detected by the pressure sensor 50 in time, the standard wire manufacturing equipment for the main cable strand of the ultra-high strength suspension bridge further comprises a pressure display instrument 80 connected with the pressure sensor 50. The pressure display instrument 80 is used for displaying the pressure of the straight-through hydraulic jack 30 on the standard steel wire passing through.
The wire clamping block 60 is also provided on the hydraulic jack 30 for clamping and fixing the other end of the standard wire after the manufacture of the standard wire is completed, so as to prevent the spring back thereof. The wire clamp block 60 is per se prior art and may be of the same construction as the end clamp 20.
The hydraulic pump 70 is per se prior art and is used to provide hydraulic jacking force to the feed-through hydraulic jack 30. The hydraulic pump 70 includes a pressure gauge 71, and a pressure regulating valve 72 for controlling the output pressure. The pressure gauge 71 is used to display the instant pressure of the hydraulic pump 70. The pressure regulating valve 72 adjusts the pressure of the hydraulic jack 30 according to the instantaneous pressure detected by the pressure sensor 50 to ensure that the standard steel wire is parallel to the horizontal plane.
Compared with the prior art, the equipment for manufacturing the standard steel wire of the main cable strand of the ultrahigh-strength suspension bridge, provided by the invention, has the advantages that the through hydraulic jack 30 is used, different pressures can be applied according to different types of standard steel wires in the process of straightening the standard steel wire so as to avoid damage to a steel wire coating due to overlarge pressure, and meanwhile, along with the increase of the length of the standard steel wire, the hydraulic pump 70 provides a proper pressure value for the through hydraulic jack 30 according to the detected pressure value of the pressure sensor 50, so that the standard steel wire is ensured to be parallel to the horizontal plane, the standard steel wire is ensured to be straightened, the coating of the standard steel wire is not damaged, and the quality of the produced standard steel wire can be improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, and any modifications, equivalents or improvements that are within the spirit of the present invention are intended to be covered by the following claims.
Claims (7)
1. The utility model provides an ultrahigh strength suspension bridge main push-towing rope strand standard steel wire preparation equipment which characterized in that: the manufacturing equipment of the standard steel wire of the main cable strand of the ultrahigh-strength suspension cable lattice bridge comprises a machine table, an end part clamping device arranged on the machine table, a straight-through hydraulic jack arranged on the machine table and spaced from the end part clamping device, and a pressure sensor arranged on the straight-through hydraulic jack, and a hydraulic pump for providing pressure to the hydraulic jack, both ends of the standard steel wire are fixed between the end clamping device and the steel wire clamping block, the hydraulic jack is located between the end clamp and the pressure sensor, the hydraulic pump includes a pressure regulating valve for controlling the output pressure, the pressure regulating valve regulates the pressure of the straight-through hydraulic jack according to the pressure measured by the pressure sensor so as to ensure that the standard steel wire is parallel to the horizontal plane.
2. The manufacturing equipment of the standard steel wire of the main cable strand of the ultra-high strength suspension bridge as claimed in claim 1, wherein: the equipment for manufacturing the standard steel wire of the main cable strand of the ultrahigh-strength suspension bridge further comprises a pressure display instrument connected with the pressure sensor, and the pressure display instrument is used for displaying the pressure of the through hydraulic jack on the passing standard steel wire.
3. The manufacturing equipment of the standard steel wire of the main cable strand of the ultra-high strength suspension bridge as claimed in claim 1, wherein: the manufacturing equipment of the standard steel wire of the main cable strand of the ultrahigh-strength suspension bridge further comprises a driving device for driving the penetrating type hydraulic jack to move.
4. The manufacturing equipment of the standard steel wire of the main cable strand of the ultra-high strength suspension bridge as claimed in claim 3, wherein: the driving device drives the feed-through hydraulic jack to move towards the position far away from the end clamping device.
5. The manufacturing equipment of the standard steel wire of the main cable strand of the ultra-high strength suspension bridge as claimed in claim 1, wherein: the hydraulic pump also comprises a pressure gauge, and the pressure gauge is used for displaying the instant pressure of the hydraulic pump.
6. The manufacturing equipment of the standard steel wire of the main cable strand of the ultra-high strength suspension bridge as claimed in claim 1, wherein: the manufacturing equipment of the standard steel wire of the main cable strand of the ultrahigh-strength suspension bridge further comprises a steel wire clamping block arranged on the feed-through hydraulic jack, and the steel wire clamping block clamps the standard steel wire after the standard steel wire is manufactured.
7. The manufacturing equipment of the standard steel wire of the main cable strand of the ultra-high strength suspension bridge as claimed in claim 1, wherein: and as the distance between the cross-core hydraulic jack and the end clamping device is increased, the tension value of the standard steel wire is gradually increased, and meanwhile, the pressure of the cross-core hydraulic jack is increased.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110106905.7A CN112845972A (en) | 2021-01-27 | 2021-01-27 | Equipment for manufacturing standard steel wire of main cable strand of ultrahigh-strength suspension bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110106905.7A CN112845972A (en) | 2021-01-27 | 2021-01-27 | Equipment for manufacturing standard steel wire of main cable strand of ultrahigh-strength suspension bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112845972A true CN112845972A (en) | 2021-05-28 |
Family
ID=76009318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110106905.7A Pending CN112845972A (en) | 2021-01-27 | 2021-01-27 | Equipment for manufacturing standard steel wire of main cable strand of ultrahigh-strength suspension bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112845972A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51146362A (en) * | 1975-05-30 | 1976-12-15 | Louis Hans | Machine for straightening wire rod |
| CN101613993A (en) * | 2008-06-27 | 2009-12-30 | 上海浦江缆索股份有限公司 | The preparation method of steel wire with standard length of unit strand |
| CN205826598U (en) * | 2016-06-30 | 2016-12-21 | 重庆交通大学 | Drag-line Corrosion monitoring test platform based on metal magnetic memory |
| CN208466903U (en) * | 2018-07-04 | 2019-02-05 | 江西宏宇铝业有限公司 | A kind of aluminum profile is automatically straightened out machine |
| CN111535195A (en) * | 2020-05-18 | 2020-08-14 | 中铁大桥科学研究院有限公司 | Suspension bridge cable clamp screw tensioning device and method |
| CN214556955U (en) * | 2021-01-27 | 2021-11-02 | 上海浦江缆索股份有限公司 | Equipment for manufacturing standard steel wire of main cable strand of ultrahigh-strength suspension bridge |
-
2021
- 2021-01-27 CN CN202110106905.7A patent/CN112845972A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51146362A (en) * | 1975-05-30 | 1976-12-15 | Louis Hans | Machine for straightening wire rod |
| CN101613993A (en) * | 2008-06-27 | 2009-12-30 | 上海浦江缆索股份有限公司 | The preparation method of steel wire with standard length of unit strand |
| CN205826598U (en) * | 2016-06-30 | 2016-12-21 | 重庆交通大学 | Drag-line Corrosion monitoring test platform based on metal magnetic memory |
| CN208466903U (en) * | 2018-07-04 | 2019-02-05 | 江西宏宇铝业有限公司 | A kind of aluminum profile is automatically straightened out machine |
| CN111535195A (en) * | 2020-05-18 | 2020-08-14 | 中铁大桥科学研究院有限公司 | Suspension bridge cable clamp screw tensioning device and method |
| CN214556955U (en) * | 2021-01-27 | 2021-11-02 | 上海浦江缆索股份有限公司 | Equipment for manufacturing standard steel wire of main cable strand of ultrahigh-strength suspension bridge |
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