CN220848920U - Assembled external cable steering gear - Google Patents
Assembled external cable steering gear Download PDFInfo
- Publication number
- CN220848920U CN220848920U CN202322357296.XU CN202322357296U CN220848920U CN 220848920 U CN220848920 U CN 220848920U CN 202322357296 U CN202322357296 U CN 202322357296U CN 220848920 U CN220848920 U CN 220848920U
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- bridge
- steering
- steering gear
- beam body
- external cable
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- 229910000831 Steel Inorganic materials 0.000 claims description 37
- 239000010959 steel Substances 0.000 claims description 37
- 238000009434 installation Methods 0.000 claims description 15
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000003860 storage Methods 0.000 abstract description 5
- 230000035882 stress Effects 0.000 abstract description 5
- 230000032683 aging Effects 0.000 abstract description 3
- 230000002159 abnormal effect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000004873 anchoring Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses an assembled external cable steering gear which comprises a bottom beam arranged at the bottom of a bridge beam body and steering gear main bodies assembled at two ends of the bottom beam, wherein a ship-like symmetrical structure is formed, external cables at two sides are symmetrically applied with external force, the steering gear is stressed and self-balanced, safety accidents caused by overturning due to unqualified quality or aging failure of planted bars are avoided, positioning frames and steering pipes of the bottom beam and the steering gear main bodies can be manufactured by adopting standardized structures, no abnormal components are arranged, the production cost can be obviously reduced, the storage and the transportation are convenient, the bottom beam and the bottom of the bridge beam body are in surface contact, the compressive stress is mainly used, and the damage to the beam body is smaller.
Description
Technical Field
The utility model relates to the technical field of structural reinforcement engineering. More particularly, the present utility model relates to a fabricated external cable diverter.
Background
The external rope is commonly used in structural reinforcement engineering, one important content is steering treatment of the external rope, and a steel structure steering device is a common design method. At present, a steel structure steering gear usually takes the anchoring of a planted bar and the outer wrapping of the steel structure steering gear on a single-side beam body horseshoe as a main design concept, and takes the external cable reinforcement engineering of a certain I-beam bridge body abroad as an example, 1 external cable (tensile force 846 kN) is respectively arranged on two sides of the beam body, and the traditional steering gear of the single-side outer wrapping I-beam is adopted, so that the planted bar of the anchoring steering gear is invalid due to the fact that concrete pouring is not compact when the original beam body of a part of areas is newly built in the field construction process, and the steering gear is overturned under the action of the external cable. Therefore, the main disadvantages of this single-sided outsourced diverter structural design include the following:
(1) The anchoring depends on the reliability of the planted bars, and the possibility of overturning exists under the action of poor construction quality and long-term fatigue load;
(2) The steering gear which is externally wrapped on the beam body is of a special-shaped structure, and the storage, transportation and installation difficulties are high;
(3) The traditional steering gear uses the planted bars to transfer stress, mainly uses tensile stress, and has larger damage to the beam body.
Disclosure of utility model
The utility model aims to provide an assembled external cable steering gear, which aims to solve the technical problem that in the prior art, the external cable steering gear is easy to overturn when being arranged on a beam body at one side.
To achieve these objects and other advantages and in accordance with the purpose of the utility model, there is provided a fabricated external cable diverter comprising:
The bottom beam is upwards attached to the bottom of the bridge beam body along the transverse bridge direction, the bottom beam extends to the outside of the bottom of the bridge beam body at two ends of the transverse bridge direction to form an installation part, the bottom of the bridge beam body is fixedly provided with the embedded ribs, and the bottom beam is fixedly connected with the bottom of the bridge beam body through the embedded ribs;
The steering gear main body is respectively arranged at the installation parts corresponding to the two ends of the bottom beam and comprises a positioning frame and a steering pipe, the bottom of the positioning frame is fixedly connected with the top of the installation part, one side of the positioning frame is attached to the corresponding side face of the bridge beam body, the steering pipe is used for providing steering support for an outer cable, and the positioning frame is used for fixing the steering pipe.
Preferably, the locating rack includes the lower locating plate that the level set up and with the side locating plate that the laminating of the side of bridge beam body set up, fixed connection forms L shape structure between lower locating plate and the side locating plate, lower locating plate and correspond the side the top fixed connection of installation department is fixed with a plurality of stiffening plates along longitudinal bridge direction interval between the inboard of lower locating plate and side locating plate, and the fixed orifices have been seted up in the required position link up of corresponding steering tube on every stiffening plate, the steering tube passes in proper order and corresponds all fixed orifices on the locating rack and with every welded fastening between the stiffening plate.
Preferably, the bottom beam is of a channel steel structure, the notch of the channel steel is downwards arranged, the channel steel is connected with a plurality of channel steel side by side along the longitudinal bridge direction, and each channel steel is fixed at the bottom of the bridge beam body at the web plate through the embedded bars.
Preferably, the setting interval of adjacent stiffening plates is consistent with the width of the channel steel.
Preferably, bolt holes are correspondingly formed in pairs between the two ends of the channel steel and the lower locating plates on each side, and connecting bolts are screwed and fixed in each pair of bolt holes.
Preferably, the channel steel is arranged in four along the longitudinal bridge, and two connecting bolts are symmetrically arranged between the end part of each channel steel and the lower locating plate on the corresponding side in the transverse bridge.
Preferably, the thickness of the lower positioning plate, the side positioning plate and the stiffening plate is more than or equal to 10mm.
The utility model at least comprises the following beneficial effects:
1) The assembled external cable steering gear is fixed at the beam bottom in a bottom-covering mode, the external cables at two sides are steered through the steering pipes at the corresponding sides, external force is symmetrically applied, the steering gear can be stressed and self-balanced, and safety accidents caused by overturning caused by unqualified quality or aging failure of the planted bars are avoided.
2) The whole assembly type external cable steering device is of a ship-shaped structure fixed at the bottom of the beam, is in surface contact with the beam, and has smaller damage to the beam due to the fact that acting force between the assembly type external cable steering device and the beam is mainly compressive stress.
3) The assembled external cable steering gear consists of the bottom beam and steering gear main bodies symmetrically assembled at the two ends of the bottom beam, the appearance of special-shaped components is avoided due to the assembled structural design, and the storage, transportation and installation difficulties are reduced.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
FIG. 1 is a front view of the present utility model installed at the bottom of a bridge girder;
fig. 2 is a side view of the structure of the present utility model installed at the bottom of a bridge girder.
Description of the specification reference numerals: 1. the beam body, 2, the bottom beam, 3, the planting muscle, 4, steering gear main part, 5, steering tube, 6, lower locating plate, 7, side locating plate, 8, stiffening plate, 9, connecting bolt, 10, external rope.
Detailed Description
The present utility model is described in further detail below with reference to the drawings to enable those skilled in the art to practice the utility model by referring to the description.
In the description of the present utility model, the terms "transverse", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus are not to be construed as limiting the present utility model.
As shown in fig. 1 and 2, the assembled external cable steering device of the utility model comprises:
The bottom beam 2 is upwards attached to the bottom of the bridge beam body 1 along the transverse bridge direction, the bottom beam 2 extends to the outside of the bottom of the bridge beam body 1 at two ends of the transverse bridge direction to form an installation part, the bottom of the bridge beam body 1 is fixedly provided with the embedded ribs 3, and the bottom beam 2 is fixedly connected with the bottom of the bridge beam body 1 through the embedded ribs 3;
The steering gear main body 4, its installation department that corresponds sill beam 2 both ends sets up one respectively, and steering gear main body 4 includes locating rack, steering tube 5, and the bottom of locating rack and the top fixed connection of installation department, one side of locating rack and the laminating of the corresponding side of bridge beam body 1 set up, and steering tube 5 is used for providing steering support for outer cable 10, and the locating rack is used for fixed steering tube 5.
When the assembled external cable steering gear is specifically used, the bottom beam 2 is fixed through the planted bars 3 at the bottom of the beam body 1, then the steering gear main body 4 is fixedly installed on two sides of the bottom beam 2, the bottom of the positioning frame is fixed with the bottom beam 2, one side of the positioning frame is attached to the corresponding side of the beam body 1, the steering pipe 5 extends along the longitudinal bridge direction at a certain steering angle, and the external prestressed cable penetrates into the steering pipe 5 to realize steering.
The assembled external cable steering gear has the advantages that the structure design is simple, the materials are convenient, the positioning frame structures of the bottom beam 2 and the steering gear main body 4 are made of steel materials, the bottom beam 2, the positioning frame and the steering pipe 5 can be made of standardized structures, no abnormal components are arranged, the production cost can be obviously reduced, the storage and the transportation are convenient, the bottom beam 2 is in surface contact with the bottom of the bridge beam body 1, the compressive stress is mainly used, the damage to the beam body 1 is smaller, the steering gear main body 4 structures on two sides are correspondingly arranged on one bottom beam 2, a ship-like symmetrical structure is formed, the connection stability is ensured, the installation cost is saved, meanwhile, external forces are symmetrically applied to external cables 10 on two sides, the steering gear is stressed in self-balance, and the safety accident caused by the occurrence of overturning due to the unqualified quality or aging failure of the planted bars 3 is avoided.
In another technical scheme, as shown in fig. 1 and 2, the locating rack comprises a lower locating plate 6 horizontally arranged and a side locating plate 7 attached to the side face of the bridge beam body 1, the lower locating plate 6 and the side locating plate 7 are fixedly connected to form an L-shaped structure, the lower locating plate 6 is fixedly connected with the top of the installation part corresponding to the side, a plurality of stiffening plates 8 are fixedly arranged between the lower locating plate 6 and the inner side of the side locating plate 7 along the longitudinal bridge direction at intervals, fixing holes are formed in the position, corresponding to the steering tube 5, of each stiffening plate 8 in a penetrating mode, and the steering tube 5 sequentially penetrates through all the fixing holes corresponding to the locating rack and is welded and fixed with each stiffening plate 8.
The lower locating plate 6 and the side locating plate 7 are connected to form an angle steel structure, wherein the lower locating plate 6 is used for being fixed with the end part of the bottom beam 2, the side locating plate 7 is used for being clung to the corresponding side of the bottom of the bridge beam body 1, the bottom of each stiffening plate 8 is fixed with the lower locating plate 6, one side is fixed with the side locating plate 7, and accordingly a frame type locating frame structure is formed, fixing holes are correspondingly formed in the stiffening plates 8 and are fixedly connected with the outer wall of the steering tube 5, the steering gear main body 4 is designed to form a standard structure with a regular appearance, the shape of the bottom of the beam body 1 is adapted, stable installation is facilitated, storage and transportation are facilitated, and the lower locating plate 6, the side locating plate 7 and the stiffening plates 8 are fixedly connected into a whole by welding.
In another technical scheme, as shown in fig. 1 and 2, the bottom beam 2 is of a channel steel structure, the notch of the channel steel is downward, the channel steel is connected with a plurality of channel steels side by side along the longitudinal bridge direction, and each channel steel is fixed at the bottom of the bridge beam body 1 at the web plate through the embedded ribs 3.
When the steel channel C20 is used as the bottom beam 2, the C20 bottom beam 2 is transversely arranged at the bottom of the beam, the web plate of the steel channel is drilled and fixed in a matched mode through 2 phi 16 planting ribs 3, the steel channel is high in structural strength and regular in shape, and standardized splicing and design and fixed connection with the steering gear main body 4 are facilitated.
In another technical solution, as shown in fig. 1 and 2, the setting interval of the adjacent stiffening plates 8 is identical to the width of the channel steel. Two stiffening plates 8 are arranged on two sides corresponding to the width direction of each channel steel respectively, and are designed regularly, so that the end faces of the structures at the front end and the rear end of the longitudinal bridge are flush, and the longitudinal bridge is convenient to store and transport.
In another technical scheme, as shown in fig. 1 and 2, bolt holes are correspondingly formed between two ends of the channel steel and the lower locating plate 6 on each side, and a connecting bolt 9 is screwed and fixed in each pair of bolt holes.
The connecting bolts 9 are used as important force transmission components, stainless steel materials are adopted, two connecting bolts 9 are arranged at each end of the channel steel and fixed with the locating frame at the upper side, and the tensile capacity of the connecting bolts 9 is improved.
In another technical scheme, as shown in fig. 1 and 2, four channels are arranged along the longitudinal bridge, and two connecting bolts 9 are symmetrically arranged between the end of each channel and the lower locating plate 6 on the corresponding side in the transverse bridge.
The steel channel C20 is used as the bottom beam 2, the length of the steering gear longitudinal bridge is 80cm according to standard calculation, so that 4 bottom beams 2 are arranged in the longitudinal bridge direction, according to calculation, the bottom beam 2 bears 86.2KN of shearing force transmitted by an external cable 10, 1382.4KN of shearing force of 4C 20 section steels, 16.0 of safety coefficient is achieved, the requirement is met, 1306.2kN of the connecting bolt 9 of 8M 20 stainless steels on one side is met, 15.2 of safety coefficient is achieved, and the requirement is met.
In another technical scheme, as shown in fig. 1 and 2, the thicknesses of the lower positioning plate 6, the side positioning plates 7 and the stiffening plates 8 are more than or equal to 10mm.
The bottom beam 2 and the diverter main body 4 are made of steel plates or aluminum alloy, and particularly the aluminum alloy with better durability is used in the environment of large dry and wet circulation and ocean, when the structure is designed, the strength requirement of each plate is required to be met, and the processing and construction requirements are required to be met, so that the thickness of each plate is more than or equal to 10mm.
Although embodiments of the present utility model have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the utility model would be readily apparent to those skilled in the art, and accordingly, the utility model is not limited to the specific details and drawings shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (7)
1. An assembled external cable diverter, comprising:
The bottom beam is upwards attached to the bottom of the bridge beam body along the transverse bridge direction, the bottom beam extends to the outside of the bottom of the bridge beam body at two ends of the transverse bridge direction to form an installation part, the bottom of the bridge beam body is fixedly provided with the embedded ribs, and the bottom beam is fixedly connected with the bottom of the bridge beam body through the embedded ribs;
The steering gear main body is respectively arranged at the installation parts corresponding to the two ends of the bottom beam and comprises a positioning frame and a steering pipe, the bottom of the positioning frame is fixedly connected with the top of the installation part, one side of the positioning frame is attached to the corresponding side face of the bridge beam body, the steering pipe is used for providing steering support for an outer cable, and the positioning frame is used for fixing the steering pipe.
2. The assembly type external cable steering gear according to claim 1, wherein the positioning frame comprises a lower positioning plate horizontally arranged and a side positioning plate attached to the side surface of the bridge beam body, the lower positioning plate and the side positioning plate are fixedly connected to form an L-shaped structure, the lower positioning plate is fixedly connected with the top of the mounting part on the corresponding side, a plurality of stiffening plates are fixedly arranged between the lower positioning plate and the inner side of the side positioning plate along the longitudinal bridge direction at intervals, fixing holes are formed in the position, required by the steering tube, of each stiffening plate in a penetrating mode, and the steering tube sequentially penetrates through all the fixing holes on the corresponding positioning frame and is welded and fixed with each stiffening plate.
3. The fabricated external cable steering device of claim 2, wherein the bottom beam is configured as a channel steel structure, the notch of the channel steel is downward, the channel steel is connected with a plurality of channel steels side by side along the longitudinal bridge direction, and each channel steel is fixed at the bottom of the bridge beam body at the web plate through the embedded ribs.
4. A fabricated external cable steering device according to claim 3, wherein adjacent stiffening plates are arranged at a spacing consistent with the width of the channel.
5. The assembly type external cable steering gear according to claim 3, wherein bolt holes are correspondingly formed between two ends of the channel steel and the lower locating plates on each side respectively, and connecting bolts are screwed and fixed in each pair of bolt holes.
6. The assembled external cable redirector of claim 5, wherein the channel steel is arranged in four along a longitudinal bridge, and two connecting bolts are symmetrically arranged between the end of each channel steel and the lower locating plate on the corresponding side in the transverse bridge.
7. The fabricated external cable steering device of claim 2, wherein the thickness of the lower locating plate, the side locating plates and the stiffening plates is greater than or equal to 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322357296.XU CN220848920U (en) | 2023-08-31 | 2023-08-31 | Assembled external cable steering gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322357296.XU CN220848920U (en) | 2023-08-31 | 2023-08-31 | Assembled external cable steering gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220848920U true CN220848920U (en) | 2024-04-26 |
Family
ID=90773367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322357296.XU Active CN220848920U (en) | 2023-08-31 | 2023-08-31 | Assembled external cable steering gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220848920U (en) |
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2023
- 2023-08-31 CN CN202322357296.XU patent/CN220848920U/en active Active
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