CN210395120U - Simple device for tensioning steel pipe concrete arch bridge buckling cable - Google Patents
Simple device for tensioning steel pipe concrete arch bridge buckling cable Download PDFInfo
- Publication number
- CN210395120U CN210395120U CN201921130326.0U CN201921130326U CN210395120U CN 210395120 U CN210395120 U CN 210395120U CN 201921130326 U CN201921130326 U CN 201921130326U CN 210395120 U CN210395120 U CN 210395120U
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- ring piece
- circular ring
- arch bridge
- tensioning
- stiffening ribs
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 35
- 239000010959 steel Substances 0.000 title claims abstract description 35
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 235000000396 iron Nutrition 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 9
- 238000010276 construction Methods 0.000 abstract description 6
- 238000004080 punching Methods 0.000 abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a simple and easy device that is used for stretch-draw steel pipe concrete arch bridge to detain cable belongs to equipment technical field for the bridge construction. Simple and easy device is including punching jack and stool formula fixing device, stool formula fixing device and the one end fixed connection of punching jack, stool formula fixing device includes the cavity framework that many stiffening ribs enclose, the both ends of cavity framework are equipped with first ring piece and second ring piece respectively, the one end fixed connection of first ring piece and punching jack, the sealing area of first ring piece and second ring piece is greater than the tip area at stiffening rib both ends, the through-hole of first ring piece and second ring piece and the coaxial setting of well kenozooecium of cavity framework. The utility model discloses not only can increase area of contact and avoid the very ejecting problem of sliding and misplacing at present of intelligence, can guarantee the even atress in cross-section moreover to ensure to realize intelligent accent at intraductal concrete pouring in-process and carry.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to an equipment technical field is used in the bridge construction, concretely relates to a simple and easy device that is used for stretch-draw steel pipe concrete arch bridge to detain cable.
[ background of the invention ]
With the rapid progress of the arch bridge technology, the large-span arch bridge is developed unprecedentedly. From the first steel pipe concrete arch bridge in China to the first steel pipe concrete arch bridge in the world, namely the Bosweden bridge, a cable hoisting system and a diagonal tension buckle hanging construction method play a vital role, however, in the concrete pouring process of the large-span steel pipe concrete arch bridge in the main chord tube, due to the fact that large-volume concrete is symmetrically poured, the arch crown can be quickly bent upwards to cause the displacement of the arch crown to be rapidly increased, the stress of the arch rib is uneven, and the large-span steel pipe concrete arch bridge is easy to become a risk source in the construction process of the steel pipe concrete arch bridge. At the moment, the reserved buckle cable needs to be tensioned, and two banks are symmetrically tensioned at the same time, so that the displacement of the vault is controlled within a controllable range. The traditional method is used for tensioning the buckling cable by adopting a single drawing gun, mechanical intellectualization cannot be realized, and the intelligent hydraulic jack can be used for tensioning in a whole bundle, so that the fixing of the intelligent hydraulic jack and the full play of the advantages of the intelligent hydraulic jack are very important.
[ Utility model ] content
The utility model aims at the above-mentioned problem, a provide a simple and easy device that is used for stretch-draw steel pipe concrete arch bridge to detain cable, this simple and easy device not only can increase area of contact and avoid the very heavy ejecting problem of sliding and misplacing at present of intelligence, can guarantee the even atress in cross-section moreover to ensure to realize intelligent accent at intraductal concrete placement in-process.
In order to achieve the above object, the utility model adopts the following technical scheme:
a simple device for tensioning a steel pipe concrete arch bridge buckling cable, which comprises a through jack and a stool type fixing device, the stool type fixing device is fixedly connected with one end of the through jack and comprises a plurality of stiffening ribs with equal length, the end parts of two adjacent stiffening ribs are connected to enclose the stiffening ribs with equal length into a hollow frame body, a first ring piece and a second ring piece are respectively arranged at two ends of the hollow frame body, the first ring piece is fixedly connected with one end of the feed-through jack, the area of the sealing area of the first circular ring piece and the second circular ring piece is larger than the area of the end parts at the two ends of the stiffening rib, the through holes of the first circular ring piece and the second circular ring piece are coaxially arranged with the hollow part of the hollow frame body, so that the steel pipe concrete arch bridge buckling rope can pass through the through hole and the hollow part and pass through the piston of the through-center jack.
Further, a plurality of the stiffening ribs are arranged at intervals, so that holes for observation are reserved among the stiffening ribs.
Further, the sealing area of first ring piece is greater than the sealing area of second ring piece, the through-hole diameter of first ring piece and second ring piece is the same, the thickness of first ring piece and second ring piece is the same.
Furthermore, the number of the stiffening ribs is 2-4.
Further, the stiffening ribs are angle steels.
Furthermore, the center-penetrating jack is an intelligent hydraulic jack, and the stroke of the intelligent hydraulic jack is 200 mm.
Further, the through-hole of first ring piece and second ring piece is circular port or quad slit, the through-hole periphery of first ring piece and second ring piece still is equipped with the elastic ring, the thickness of elastic ring with the thickness of first ring piece and second ring piece is the same, the outer peripheral edges of elastic ring with the internal periphery of through-hole bonds.
By adopting the technical scheme, the beneficial effects of the utility model are that:
the utility model discloses purpose-built stool formula fixing device of stroke according to intelligent hydraulic jack to it is fixed with intelligent hydraulic jack through stool formula fixing device. Wherein, the two ends of the stool type fixing device are ring pieces (a first ring piece and a second ring piece respectively), and a plurality of stiffening ribs made of angle steel with equal length are arranged between the ring pieces and used for balancing the cable force of the tensioning buckle cable in the process of filling. The utility model discloses a ring piece not only does benefit to whole bundle of knot and asks for smoothly to pass, and increase area of contact that moreover can the maximize makes the cross-section can even atress, avoids carrying the phenomenon that the buckling instability appears at intraductal concrete filling in-process intelligence. Furthermore, the utility model discloses many stiffening ribs equidistant setting makes adjacent stiffening rib leave the hole (form the fretwork part promptly) among the device, and its advantage lies in can clearly seeing the stretch-draw condition of detaining the cable, and the phenomenon that steel strand wires buckled or blocked appears in the restraint stretch-draw knot cable to can in time handle and avoid appearing the construction risk source.
[ description of the drawings ]
Fig. 1 is a schematic structural diagram of a simple device for tensioning a concrete filled steel tube arch bridge retaining cable according to an embodiment of the present invention;
fig. 2 is a partial side view of a simple device for tensioning a concrete filled steel tube arch bridge buckle cable according to an embodiment of the present invention;
in the figure, 1-a through jack, 2-a stool type fixing device, 21-a stiffening rib, 22-a first annular sheet, 23-a second annular sheet, 24-a pore, 25-an elastic ring, 26-a sealing area, 27-a through hole and 3-an iron sheet.
[ detailed description ] embodiments
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.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Examples
As shown in fig. 1-2, a simple device for tensioning a steel pipe concrete arch bridge buckle cable includes a through jack 1 and a stool type fixing device 2, the stool type fixing device 2 is fixedly connected with one end of the through jack 1, in this embodiment, one end of the stool type fixing device 2 is fixedly connected with a shoulder pole beam of an arch bridge by full welding, a hollow portion of the shoulder pole beam is communicated with through holes and hollow portions at two ends of the stool type fixing device 2, and the other end of the shoulder pole beam is welded with one end of the through jack 1, and meanwhile, the through jack 1 is an intelligent hydraulic stool jack with a stroke of 200mm in this embodiment, so the through jack 1 is sufficiently fixed by the through fixing device 2.
Stool formula fixing device 2 includes many isometric stiffening ribs 21, and the tip of two adjacent stiffening ribs 21 passes through 3 welded connection of iron sheet so that many isometric stiffening ribs 21 enclose into a cavity framework, the both ends of cavity framework are equipped with first ring piece 22 and second ring piece 23 respectively, first ring piece 22 with the one end fixed connection of punching jack 1, the sealed area 26 area of first ring piece 22 and second ring piece 23 is greater than the tip area at stiffening rib 21 both ends, the through-hole 27 of first ring piece 22 and second ring piece 23 and the coaxial setting of well kenozooecium of cavity framework to make steel pipe concrete arch bridge buckle cable can pass through-hole 27 and hollow portion and with pass the piston of punching jack 1 is connected with punching jack 1. The first ring piece 22 and the second ring piece 23 are beneficial to smooth passing of the whole bundle of buckle cables, the contact area of the stool type fixing device 2 and the through jack 1 can be increased, the problem that the through jack 1 slides and misplaces can be avoided, the contact area can be increased, the uniform stress of a contact surface can be guaranteed, the phenomenon that buckling instability occurs in the process of intelligent load regulation in the process of concrete pouring in a pipe is avoided, and therefore intelligent load regulation is achieved.
Further, many stiffening rib 21 interval sets up to leave the hole 24 for observing between the messenger stiffening rib 21, can clearly see the stretch-draw condition of detaining the cable through this hole 24, the phenomenon that steel strand wires were buckled or are blocked appears in the restraint stretch-draw knot cable, thereby can in time handle and avoid appearing the construction risk source.
Further, the thickness of the first circular ring piece 22 is the same as that of the second circular ring piece 23, the area of the sealing area 26 of the first circular ring piece 22 is larger than that of the sealing area 26 of the second circular ring piece 23, and the diameters of the through holes 27 of the first circular ring piece 22 and the second circular ring piece 23 are the same. The ring pieces at the two ends of the stool type fixing device 2 are set to have different sizes according to the contact area of the stool type fixing device 2 and the through jack 1 and the contact area of the stool type fixing device 2 and the shoulder pole beam of the arch bridge, and materials can be saved to a certain extent.
Furthermore, the number of the stiffening ribs 21 can be 2-4, and in this embodiment, preferably, 4 stiffening ribs 21 are provided, and the 4 stiffening ribs 21 are provided at equal intervals. And the angle steel is adopted as the stiffening rib 21 in the embodiment, the angle steel is not only easy to obtain, but also can greatly enhance the stability and firmness of the stool-type fixing device 2.
Further, as the utility model discloses a preferred, the through-hole 27 of first ring piece 22 and second ring piece 23 is the circular port, the through-hole 27 periphery of first ring piece 22 and second ring piece 23 still is equipped with elastic ring 25, elastic ring 25's thickness with the thickness of first ring piece 22 and second ring piece 23 is the same, elastic ring 25's outer peripheral edges with the internal periphery of through-hole 27 bonds. Because in order to improve the structural stability and the strength of the stool type fixing device 2, the first ring piece 22 and the second ring piece 23 are made of steel, and the edge of the through hole 27 is made to be harder due to the steel, the arrangement of the elastic ring 25 can prevent the edge of the through hole 27 from scratching an epoxy resin protective layer on the surface of the steel strand (namely, a buckling rope) when the steel strand passes through the through hole 27, and can also enable the steel strands (buckling ropes) with different strand sizes to pass through the through hole 27, so that the application range is enlarged.
It is understood that the through hole 27 of the first circular ring piece 22 and the second circular ring piece 23 may also be a square hole, and the inner periphery of the square hole may also be provided with the elastic ring 25.
The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.
Claims (7)
1. A simple device for tensioning a steel pipe concrete arch bridge buckling cable is characterized by comprising a feed-through jack and a stool type fixing device, the stool type fixing device is fixedly connected with one end of the through jack and comprises a plurality of stiffening ribs with equal length, the end parts of two adjacent stiffening ribs are connected to enclose the stiffening ribs with equal length into a hollow frame body, a first ring piece and a second ring piece are respectively arranged at two ends of the hollow frame body, the first ring piece is fixedly connected with one end of the feed-through jack, the area of the sealing area of the first circular ring piece and the second circular ring piece is larger than the area of the end parts at the two ends of the stiffening rib, the through holes of the first circular ring piece and the second circular ring piece are coaxially arranged with the hollow part of the hollow frame body, so that the steel pipe concrete arch bridge buckling rope can pass through the through hole and the hollow part and pass through the piston of the through-center jack.
2. A simplified apparatus for tensioning a concrete filled steel tube arch bridge lanyard of claim 1 wherein a plurality of said stiffening ribs are spaced apart to leave voids between the stiffening ribs for viewing.
3. A simple device for tensioning a concrete filled steel tube arch bridge buckle cable according to claim 1, wherein the sealing area of the first circular ring piece is larger than that of the second circular ring piece, the diameters of the through holes of the first circular ring piece and the second circular ring piece are the same, and the thicknesses of the first circular ring piece and the second circular ring piece are the same.
4. A simplified apparatus for tensioning a concrete filled steel tube arch bridge lanyard of claim 2 wherein the number of stiffening ribs is 2-4.
5. A simplified apparatus for tensioning a concrete filled steel tube arch bridge lanyard of claim 3 wherein the stiffening ribs are angle irons.
6. A simple device for tensioning concrete filled steel tube arch bridge bridle wires according to claim 4, characterized in that the feed-through jacks are intelligent hydraulic jacks, and the stroke of the intelligent hydraulic jacks is 200 mm.
7. The simple device for tensioning the steel pipe concrete arch bridge buckling rope according to claim 1, wherein the through holes of the first circular ring piece and the second circular ring piece are circular holes or square holes, the peripheries of the through holes of the first circular ring piece and the second circular ring piece are further provided with elastic rings, the thickness of each elastic ring is the same as that of the first circular ring piece and the second circular ring piece, and the outer peripheries of the elastic rings are bonded with the inner peripheries of the through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921130326.0U CN210395120U (en) | 2019-07-18 | 2019-07-18 | Simple device for tensioning steel pipe concrete arch bridge buckling cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921130326.0U CN210395120U (en) | 2019-07-18 | 2019-07-18 | Simple device for tensioning steel pipe concrete arch bridge buckling cable |
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| Publication Number | Publication Date |
|---|---|
| CN210395120U true CN210395120U (en) | 2020-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921130326.0U Expired - Fee Related CN210395120U (en) | 2019-07-18 | 2019-07-18 | Simple device for tensioning steel pipe concrete arch bridge buckling cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210395120U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112176881A (en) * | 2020-10-16 | 2021-01-05 | 盐城市双强管桩有限公司 | Whole intelligent stretch-draw equipment of restrainting of suspension cable |
| CN113668396A (en) * | 2021-08-17 | 2021-11-19 | 广西路桥工程集团有限公司 | Portable portable hogging moment stretch-draw equipment |
-
2019
- 2019-07-18 CN CN201921130326.0U patent/CN210395120U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112176881A (en) * | 2020-10-16 | 2021-01-05 | 盐城市双强管桩有限公司 | Whole intelligent stretch-draw equipment of restrainting of suspension cable |
| CN113668396A (en) * | 2021-08-17 | 2021-11-19 | 广西路桥工程集团有限公司 | Portable portable hogging moment stretch-draw equipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200424 |
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| CF01 | Termination of patent right due to non-payment of annual fee |