CN214834893U - Tensioning device for double high-vanadium cables - Google Patents
Tensioning device for double high-vanadium cables Download PDFInfo
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- CN214834893U CN214834893U CN202121459938.1U CN202121459938U CN214834893U CN 214834893 U CN214834893 U CN 214834893U CN 202121459938 U CN202121459938 U CN 202121459938U CN 214834893 U CN214834893 U CN 214834893U
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- tensioning
- pull rod
- cables
- high vanadium
- frock
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- 229910052720 vanadium Inorganic materials 0.000 title claims abstract description 46
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims abstract description 36
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- 230000004927 fusion Effects 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
A tensioning device for double high vanadium cables comprises bracket tools symmetrically fixed on two sides of a steel column in a double high vanadium cable hanging cable area, pull rods which are respectively fixed on the bracket tools and are parallel to each other, and tensioning tools which are slidably mounted on the two pull rods, wherein the tensioning tools are formed by connecting clamping plates which are symmetrically arranged up and down through high-strength bolts, first sliding grooves matched with the diameters of the pull rods are arranged on the opposite surfaces of the clamping plates and at the positions corresponding to the pull rods, second sliding grooves matched with the diameters of the high vanadium cables are arranged at the positions corresponding to the high vanadium cables, jacks are respectively sleeved on the two pull rods, the movable end of each jack is propped against one side of the tensioning tool, which is far away from the bracket tools, the fixed end of each jack is axially limited on the pull rod through a second nut locked on the pull rod, the tensioning tools are propped against the tensioning tools on the tensioning tools of the high vanadium cables towards one side of the bracket tools, the utility model can realize one-time tensioning of the double high vanadium cables, the operation is convenient, the tensioning efficiency is greatly improved, and the quality of the whole project is ensured.
Description
Technical Field
The utility model belongs to building structure construction field especially relates to a tensioning equipment for two high vanadium cables.
Background
The high vanadium cable is a cable with a lay length of 8-12 degrees for a steel strand, and the surface of the cable body is a galvanized-aluminum-mixed rare earth alloy coating, and has the advantages of excellent bending performance, balanced bearing mechanical property and high corrosion resistance. In the construction method for the ultra-large span double-high vanadium cable curved surface beam string, double high vanadium cables are applied, but the prior art does not provide a tensioning device for the double high vanadium cables, the existing tensioning device is adopted, only single tensioning can be carried out on the high vanadium cables, so that the double high vanadium cables cannot be tensioned simultaneously, different tensioning sequences of the high vanadium cables have great influence on structural deformation and installation quality, a large amount of simulation calculation is needed before tensioning, even if the secondary distribution of force can be formed in the tensioning process of the prestressed cables, the potential safety quality hazards are caused, and the tensioning device for the double high vanadium cables is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a prior art not enough and provide an equipment light, installation, construction and demolish the convenience, can carry out the tensioning equipment who is used for two high vanadium cables of stretch-draw once to two high vanadium cables.
A tensioning device for double high vanadium cables comprises bracket tools symmetrically fixed on two sides of a steel column in a double high vanadium cable hanging cable area, mutually parallel pull rods respectively fixed on the bracket tools and tensioning tools slidably mounted on the two pull rods, the tensioning tool is formed by connecting clamping plates which are symmetrically arranged up and down through high-strength bolts, a first sliding groove matched with the diameter of the pull rod is arranged on the position, corresponding to the pull rod, of the opposite surface of each clamping plate, a second sliding groove matched with the diameter of the high vanadium cable is arranged on the position, corresponding to the high vanadium cable, a jack is further sleeved on each of the two pull rods, the movable end of the jack is pressed on one side, far away from the bracket tooling, of the tensioning tooling, the fixed end of the jack is axially limited on the pull rod through a second nut locked on the pull rod, and the tensioning tooling is pressed on a tensioning rigging of the high-vanadium cable towards one side of the bracket tooling.
In this embodiment, the bracket frock is including welding the support on the steel column, the welding has the backup pad on the both ends of the direction are laid along the pull rod to the support, be equipped with in the backup pad with pull rod size assorted through-hole, the pull rod passes the through-hole and fix in the backup pad through first nut.
In this embodiment, a first nut spacer support is further provided between the first nut and the support plate.
In this embodiment, the support and the steel column are welded by full penetration.
In this embodiment, a second nut spacer is arranged between the second nut and the fixed end of the jack for supporting.
In this embodiment, the tie rod is made of high-strength alloy steel.
In the embodiment, the position of the bracket tooling layout enables the central shaft of the pull rod and the central shaft of the high-vanadium cable to be parallel and in the same plane.
By adopting the structure, the bracket tooling is pre-welded on the steel column before the use of the utility model, when in use, firstly, the high-vanadium cable head is arranged on the cable head at one end through the pin shaft, then the pull rod is arranged on the bracket tool, the tensioning tool is arranged on the pull rod, one side of the tensioning tool is connected with the tensioning lock of the high vanadium cable, jacks are arranged on the pull rod and on the other side of the tensioning tool, the models of the jacks are determined according to the tensioning force requirement of the high-vanadium cable, the jacks are locked by a second nut and a second nut gasket after the positions of the jacks are adjusted, a total station is erected after the device is completely installed, used for monitoring the deformation of the upper structure of the beam string in the tensioning process, the monitoring point is arranged at the center of the upper chord of the beam string, and pressurizing by a jack, and stopping pressurizing when the pressure reaches the designed tension of the steel cable to finish the tensioning of the prestressed steel cable. By adopting the device, one-time tensioning of the double high-vanadium cables can be realized, the operation is convenient, the tensioning efficiency is greatly improved, and the quality of the whole project is ensured.
Drawings
Fig. 1 is a perspective view of the present invention.
In the attached drawings, 1, a bracket tool; 11. a first nut; 12. a first nut washer; 2. tensioning a tool; 21. a high-strength bolt; 3. a jack; 4. a second nut; 41. a second nut washer; 5. a pull rod; 6. tensioning the lockset; 7. double high vanadium cables.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in figure 1, a tensioning device for double high vanadium cables, including symmetrical bracket frock 1 fixed on two high vanadium cable 7 string cable district steel column both sides, fix respectively on bracket frock 1, pull rod 5 and the stretch-draw frock 2 of slidable mounting on two pull rods 5 that are parallel to each other, bracket frock 1 includes the support of full penetration welding on the steel column, the welding has the backup pad on the both ends of the direction is laid along pull rod 5 to the support, be equipped with in the backup pad with pull rod 5 size assorted through-hole, pull rod 5 passes the through-hole and fixes in the backup pad through first nut 11, still be equipped with first nut 11 gasket between first nut 11 and the backup pad and support, stretch-draw frock 2 comprises splint that the longitudinal symmetry was laid through bolt 21 connection, on the splint opposite face, be provided with the first spout assorted with pull rod 5 diameter on the position that pull rod 5 corresponds that excels in the opposite face, Be equipped with in the position that high vanadium cable corresponds be equipped with high vanadium cable diameter assorted second spout, two still the cover is equipped with jack 3 respectively on the pull rod 5, the activity end top pressure of jack 3 is kept away from 1 one side of bracket frock at stretch-draw frock 2, and the stiff end is spacing on pull rod 5 through 4 axial of second nut of locking on pull rod 5, stretch-draw frock 2 is pushed up on the stretch-draw rigging of high vanadium cable towards 1 one side of bracket frock, be equipped with 4 gasket supports of second nut between 3 stiff ends of second nut 4 and jack.
In the embodiment, the pull rod 5 is made of high-strength alloy steel, and the central shaft of the pull rod 5 is parallel to the central shaft of the high-vanadium cable and is positioned on the same plane at the position where the bracket tooling 1 is arranged.
Before use, the bracket tooling 1 is pre-welded on a steel column, when in use, a high-vanadium cable head is firstly arranged on a cable head at one end through a pin shaft, then a pull rod 5 is arranged on the bracket tooling 1, a tensioning tooling 2 is arranged on the pull rod 5, one side of the tensioning tooling 2 is connected with a tensioning lock 6 of the high vanadium cable, a jack 3 is arranged on the pull rod 5 and the other side of the tensioning tool 2, the type of the jack 3 is determined according to the tensioning force requirement of the high vanadium cable, the jack 3 is locked by a second nut 4 and a second nut 4 gasket after being adjusted, a total station is erected after the device is completely installed, used for monitoring the deformation of the upper structure of the beam string in the tensioning process, the monitoring point is arranged at the center of the upper chord of the beam string, and pressurizing by a jack 3, and stopping pressurizing when the pressure reaches the designed tension of the steel cable to finish the tensioning of the prestressed steel cable.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A tensioning equipment for two high vanadium cables which characterized in that: fix the corbel frock on two high vanadium cable sling district steel column both sides including the symmetry, fix respectively on the corbel frock, the pull rod that is parallel to each other and the stretch-draw frock of slidable mounting on two pull rods, the stretch-draw frock passes through high strength bolt and connects and constitute by the splint that the longitudinal symmetry laid, on the splint opposite face, be provided with in the position that the pull rod corresponds with pull rod diameter assorted first spout, be equipped with in the position that the high vanadium cable corresponds and be equipped with high vanadium cable diameter assorted second spout, two still the cover is equipped with the jack respectively on the pull rod, the movable end top of jack is pressed on stretch-draw frock keeps away from corbel frock one side at stretch-draw frock, and the stiff end is spacing on the pull rod through the second nut axial of locking on the pull rod, stretch-draw frock is pressed on the stretch-draw rigging of high vanadium cable towards corbel frock one side.
2. A tensioning device for double hypervanadium cables according to claim 1, characterized in that: the bracket tool comprises a support welded on a steel column, support plates are welded at two ends of the support along the pull rod laying direction, through holes matched with the sizes of the pull rods are formed in the support plates, and the pull rods penetrate through the through holes and are fixed on the support plates through first nuts.
3. A tensioning device for double hypervanadium cables according to claim 2, characterized in that: a first nut gasket support is further arranged between the first nut and the support plate.
4. A tensioning device for double hypervanadium cables according to claim 2, characterized in that: and the support and the steel column are welded completely through fusion.
5. A tensioning device for double hypervanadium cables according to claim 1, characterized in that: and a second nut gasket support is arranged between the second nut and the fixed end of the jack.
6. A tensioning device for double hypervanadium cables according to claim 1, characterized in that: the pull rod is made of high-strength alloy steel.
7. A tensioning device for double high vanadium cables according to any one of claims 1 to 6, characterized in that: the bracket tooling is arranged in a position that the central shaft of the pull rod is parallel to the central shaft of the high-vanadium cable and is positioned on the same plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121459938.1U CN214834893U (en) | 2021-06-29 | 2021-06-29 | Tensioning device for double high-vanadium cables |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121459938.1U CN214834893U (en) | 2021-06-29 | 2021-06-29 | Tensioning device for double high-vanadium cables |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214834893U true CN214834893U (en) | 2021-11-23 |
Family
ID=78811297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121459938.1U Active CN214834893U (en) | 2021-06-29 | 2021-06-29 | Tensioning device for double high-vanadium cables |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214834893U (en) |
-
2021
- 2021-06-29 CN CN202121459938.1U patent/CN214834893U/en active Active
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