CN211079922U - Construction channel structure - Google Patents
Construction channel structure Download PDFInfo
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- CN211079922U CN211079922U CN201921421032.3U CN201921421032U CN211079922U CN 211079922 U CN211079922 U CN 211079922U CN 201921421032 U CN201921421032 U CN 201921421032U CN 211079922 U CN211079922 U CN 211079922U
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Abstract
The utility model relates to a construction channel structure, which belongs to the technical field of track and bridge construction and comprises a slope toothed rail trestle, wherein the slope toothed rail trestle comprises a transverse steel truss girder, a steel truss column, a longitudinal steel truss girder, a base and a stud for installing and fixing the base; the bottom end of the steel truss column is fixedly connected with the base, the transverse steel truss girders are transversely arranged at the top of the steel truss column, at least two transverse steel truss girders are arranged, and the longitudinal steel truss girders are longitudinally erected on the transverse steel truss girders; and a steel rail assembly and a toothed rail assembly are longitudinally arranged on the longitudinal steel truss girder. The utility model discloses can provide transportation channel and construction channel for transportation equipment and construction equipment, conveniently transport construction article and construction in slope, do benefit to and improve the efficiency of construction.
Description
Technical Field
The utility model relates to a track and bridge construction technical field especially relate to a construction access structure.
Background
Railroad bridges are structures that a railroad spans a river, lake, straits, valley or other obstacle, and are constructed to achieve a grade crossing of a railroad line with a railroad line or road. The railway bridge is divided into a railway bridge and a highway and railway dual-purpose bridge according to the application; the bridge is divided into a beam bridge, an arch bridge, a rigid frame bridge, a suspension bridge, a cable-stayed bridge, a combined system bridge and the like according to the structure. The railway bridge is mostly a beam bridge. The bridge is the most widely used bridge type and can be subdivided into a simple girder bridge, a continuous girder bridge and a cantilever girder bridge.
The existing bridge construction methods comprise a cast-in-place method, a prefabrication installation method, a cantilever construction method, a turning construction method, a pushing method, a movable formwork hole-by-hole construction method, a transverse moving method construction method, a lifting and floating construction method and the like, and the methods are suitable for construction on flat ground or flat slope, but in the large slope geographic environment, how to more conveniently transport equipment and materials required by construction is an important factor for improving the construction efficiency and shortening the construction period.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a construction access structure conveniently transports the construction and uses the thing in slope, does benefit to and improves the efficiency of construction.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a construction channel structure comprises a slope toothed rail trestle, wherein the slope toothed rail trestle comprises a transverse steel truss girder, a steel truss column, a longitudinal steel truss girder, a base and a stud for installing and fixing the base;
the bottom end of the steel truss column is fixedly connected with the base, the transverse steel truss girders are transversely arranged at the top of the steel truss column, at least two transverse steel truss girders are arranged, and the longitudinal steel truss girders are longitudinally erected on the transverse steel truss girders; and a steel rail assembly and a toothed rail assembly are longitudinally arranged on the longitudinal steel truss girder.
Further, the rail assembly comprises two parallel first rails, and the first rails are longitudinally mounted on the longitudinal steel truss beams.
Furthermore, the rack assembly comprises two first racks, and the two first racks are respectively arranged on the outer side of one first steel rail waist. Further, the rail assembly further comprises two parallel second rails, the second rails are longitudinally mounted on the longitudinal steel trusses, and the second rails are located between the two first rails.
Further, the rack assembly further comprises a second rack, and the second rack is located on a central line between the two second steel rails.
Preferably, the second rack comprises an I-shaped steel and racks, the racks are mounted on two sides of a web plate of the I-shaped steel, and the racks are arranged along the length direction of the I-shaped steel.
Furthermore, three longitudinal steel trusses are arranged in parallel at intervals, two first steel rails are respectively installed on the two outer longitudinal steel trusses, and a second steel rail is installed on the inner longitudinal steel trusses.
The installation method of the construction channel structure comprises the following steps,
the left side and the right side of the platform are both provided with two support legs in front and at the back, and the lengths of the two front support legs and/or the two back support legs are adjustable; the tops of the supporting legs are connected with the platform, and the tower crane is installed on the platform; the traveling mechanism comprises tower crane traveling steel wheels, a tower crane gear and a driving device for driving the tower crane traveling steel wheels and the tower crane gear, the tower crane traveling steel wheels travel on the first gear rack, and the tower crane gear is meshed with the first gear rack;
after the wheel rail self-propelled gantry tower crane is installed and debugged, the wheel rail self-propelled gantry tower crane automatically moves to the front end of the construction channel structure;
step 6, hoisting the standard sections of the steel truss columns, the transverse steel truss beams and the longitudinal steel truss beams which are needed subsequently on a self-propelled wheel-rail tooth-rail transport flat car by adopting a truck crane;
and 11, repeating the steps 9 and 10 until the installation work of the full-slope-section slope toothed rail trestle is completed.
Furthermore, the self-propelled wheel-rail tooth-rail transportation flat car comprises two bogies, wherein a car body is supported on the two bogies, each bogie comprises a front walking mechanism and a rear walking mechanism, and each walking mechanism comprises two walking units which are arranged in a bilateral symmetry manner;
the traveling unit comprises a driving motor, the flatcar traveling steel wheel, a flatcar gear, a first clutch, a second clutch, a transverse shaft, a vertical shaft, a driving bevel gear and a driven bevel gear which are meshed with each other, the driving bevel gear is fixedly arranged at one end of the transverse shaft, and the transverse shaft is connected with the driving motor;
the flat car gear is fixedly arranged at the lower end of the vertical shaft, the flat car traveling steel wheel is sleeved on the transverse shaft in an empty mode, and the flat car traveling steel wheel and the transverse shaft are transmitted through the first clutch; the driven bevel gear is sleeved on the vertical shaft in an empty mode, and the driven bevel gear and the vertical shaft are driven through the second clutch.
Furthermore, the traveling mechanism of the wheel-rail self-propelled gantry tower crane further comprises a first clutch, a second clutch, a transverse shaft, a vertical shaft, a driving bevel gear and a driven bevel gear which are meshed with each other, the driving bevel gear is fixedly installed at one end of the transverse shaft, the transverse shaft is connected with a driving device, and a tower crane gear is fixedly installed at the lower end of the vertical shaft;
the tower crane walking steel wheels are sleeved on the transverse shaft in an empty mode, and the flat car walking steel wheels and the transverse shaft are transmitted through a first clutch; the driven bevel gear is sleeved on the vertical shaft in an empty mode, and the driven bevel gear and the vertical shaft are driven through the second clutch.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses can provide transportation channel and construction channel for transportation equipment and construction equipment, accomplish not to destroy with green plant on mountain surface basically to the convenience transports construction article and construction in slope, does benefit to and improves the efficiency of construction.
Drawings
Fig. 1 is a three-dimensional view of the present invention;
FIG. 2 is a schematic structural view of a second rack;
FIG. 3 is a schematic illustration of the self-propelled wheel track and tooth track transport platform as installed on a construction access structure;
FIG. 4 is a schematic view of a self-propelled wheel track tooth track transport flat car;
FIG. 5 is a schematic view of the travel mechanism of the self-propelled wheel-track tooth-track transport flat car;
FIG. 6 is a schematic view of a wheel-rail self-propelled gantry tower crane installed on a construction channel structure;
FIG. 7 is a schematic view of a traveling mechanism of a wheel-rail self-propelled gantry tower crane;
FIG. 8 is a schematic view of one of the locking structures;
FIG. 9 is a schematic view of another locking structure;
in the figure: 1-first steel rail, 2-second steel rail, 3-second gear rail, 4-first gear rail, 5-self-propelled wheel rail gear rail transportation flat car, 6-wheel rail self-propelled gantry crane, 7-driving motor, 8-first clutch, 9-second clutch, 10-horizontal shaft, 11-vertical shaft, 12-driving bevel gear, 13-driven bevel gear, 14-brake disc, 15-brake, 31-I-steel, 32-rack, 51-car body, 52-flat car traveling steel wheel, 53-flat car gear, 54-bogie, 61-mobile gantry support, 62-tower crane, 101-steel truss column, 102-transverse steel truss beam, 103-longitudinal steel truss beam, 104-base, 105-column nail, 121-ground-grasping base, 122-ground-grasping stud, 123-clamping mechanism, 611-platform, 612-supporting leg, 613-tower crane running steel wheel, 614-tower crane gear, 615-auxiliary supporting leg and 616-ground-grasping structure.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the utility model discloses a construction access structure, including slope rack trestle, slope rack trestle includes horizontal steel truss 102, steel truss post 101, vertical steel truss 103, base 104 and is used for installing the stud 105 of fixed base 104.
The bottom end of the steel truss column 101 is fixedly connected with a base 104, the transverse steel truss girders 102 are transversely installed at the top of the steel truss column 101, at least two transverse steel truss girders 102 are arranged, and the longitudinal steel truss girders 102 are longitudinally erected on the transverse steel truss girders 102; the longitudinal steel truss girder 103 is longitudinally provided with a steel rail assembly and a tooth rail assembly.
The steel rail assembly comprises two parallel first steel rails 1 and two parallel second steel rails 2, the first steel rails 1 and the second steel rails 2 are longitudinally arranged on the longitudinal steel truss girder 103, and the second steel rails 2 are located between the two first steel rails 1.
The rack subassembly includes first rack 4 and second rack 3, and first rack 4 includes the rack, and the outside at 1 waist of first rail is located to the rack. The second rack 3 is located on the center line between the two second rails 2. The longitudinal steel trussed beams 103 are arranged in parallel and at intervals, two first steel rails 1 are respectively arranged on the longitudinal steel trussed beams 103 on the outer sides, and the second steel rails 2 are arranged on the longitudinal steel trussed beams 103 on the inner sides.
As shown in fig. 2, the second rack 3 includes an i-beam 31 and racks 32, the racks 32 are mounted on both sides of a web of the i-beam 31, and the racks 32 are disposed along a length direction of the i-beam 31. The tooth surface of the rack 32 does not extend beyond the upper flange of the i-beam 31, so that the gear teeth are constrained within the upper flange of the i-beam 31.
The utility model discloses utilize self-propelled wheel rail cogged rail transportation flatcar 5 and wheel rail self-propelled longmen tower crane 6 to build construction access structure.
As shown in fig. 3 and 4, the self-propelled wheel-rail/rack transport flat car 5 includes a car body 51, a flat car running steel wheel 52 and a flat car gear 53, the flat car running steel wheel 52 runs on the second rail 2, and the flat car gear 53 is engaged with the second rack 3.
Specifically, the self-propelled wheel-rail carrier vehicle 5 includes a vehicle body 51 and two bogies 54. The vehicle body 51 is supported on two bogies 54. Each bogie 54 includes two running gears in front and rear. As shown in fig. 4 and 5, the traveling mechanism of the self-propelled wheel-rail/toothed-rail transportation flat car 5 includes two traveling units symmetrically arranged left and right. The traveling unit comprises a driving motor 7, a flatcar traveling steel wheel 52, a flatcar gear 53, a first clutch 8, a second clutch 9, a transverse shaft 10, a vertical shaft 11, a driving bevel gear 12 and a driven bevel gear 13 which are meshed with each other, wherein the driving bevel gear 12 is fixedly arranged at one end of the transverse shaft 10, and the other end of the transverse shaft 10 is connected with a brake disc 14. The transverse shaft 10 is connected to the drive motor 7. In order to increase the torque at low speed, the driving motor 7 provides driving force in cooperation with the planetary reducer.
The flat car gear 53 is fixedly installed at the lower end of the vertical shaft 11, and the brake 15 is connected to the upper end of the vertical shaft 11. The flatcar gear 53 is located between two flatcar running steel wheels 52. The flatcar running steel wheels 52 are sleeved on the transverse shaft 10 through bearings or bearing bushes in an empty mode, and the flatcar running steel wheels 52 and the transverse shaft 10 are transmitted through the first clutch 8. The body of the first clutch 8 is mounted on a transverse shaft 10. When the first clutch 8 is engaged, the horizontal shaft 10 drives the flatcar travelling steel wheels 52 to rotate together; when the first clutch 8 is disengaged, the flatcar running steel wheels 52 do not rotate actively.
The driven bevel gear 13 is sleeved on the vertical shaft 11 through a bearing or a bearing bush, the driven bevel gear 13 and the vertical shaft 11 are driven through the second clutch 9, and the main body of the second clutch 9 is installed on the vertical shaft 11. When the second clutch 9 is engaged, the driven bevel gear 13 drives the vertical shaft 11 to rotate together; when the second clutch 9 is disengaged, the vertical shaft 11 does not rotate actively.
The first clutch 8 and the second clutch 9 may be friction clutches, including hydraulic clutches, electromagnetic clutches, or pneumatic clutches.
In order to be able to stop the rail vehicle firmly on the ramp. The self-propelled wheel-rail toothed-rail transport flat car 5 further comprises a locking mechanism for locking the track flat car and the track. On a slope road, after the vehicle body 51 is stopped, the vehicle body 51 and the second steel rail 2 are locked by the locking mechanism, so that the vehicle body 51 is still and can be prevented from backing. The locking mechanism in this embodiment includes a rail clamp that is mounted on the truck 54.
The driving motor 7 is radially arranged in the embodiment, and is suitable for a track flat car with a wide width. When the width of the rail flat car is not enough, the driving motor 7 is arranged below the transverse shaft 10, and the driving motor 7 and the transverse shaft 10 are in meshing transmission through a pair of gears. The size of the rail flat car is set according to the requirement. For example, the rail flat car is 19.2 meters long, the rail flat car is 2.5 meters wide, and the rail flat car is 1.6 meters high.
As shown in fig. 6 and 7, the wheel-track self-propelled gantry crane 6 comprises a mobile gantry support 61 and a crane 62, wherein the mobile gantry support 61 comprises a platform 611, supporting legs 612 and a travelling mechanism installed at the bottoms of the supporting legs 612;
the left side and the right side of the platform 611 are both provided with two legs 612 at the front and the back, and the lengths of the two front legs 612 and/or the two back legs 612 are adjustable; the tops of the legs 612 are connected with a platform 611, and the tower crane 62 is installed on the platform 611. Taking the length of the two front support legs 612 as an example, when the tower crane is used, the length of the two front support legs 612 is adjusted according to the gradient, so that the top surface of the platform 2 is always a horizontal plane, and the tower body of the tower crane 6 is ensured to be vertical. The height of the tower body can be adjusted at will according to the requirements of a construction site.
The length adjusting range of the supporting leg 612 is set as required, preferably, the length adjusting range of the supporting leg 612 can be adjusted in a graded mode according to the gradient of 100-500 per mill, and mechanical locking is adopted. The supporting legs are internally provided with telescopic oil cylinders and internally and externally provided with steel sleeve columns. The telescopic oil cylinder can be adjusted according to the gradient, the relative telescopic length of the inner and outer sleeve supporting leg columns is changed, and a steel pin penetrates through the inner and outer steel sleeve columns to lock the changed height.
The traveling mechanisms of the left and right support legs of the wheel-rail self-propelled gantry tower crane 6 are symmetrically arranged. The running mechanism of the wheel-rail self-propelled gantry tower crane 6 comprises a running unit, the running unit comprises a tower crane running steel wheel 613, a tower crane gear 614 and a driving device for driving the tower crane running steel wheel 613 and the tower crane gear 614, and the tower crane running steel wheel 613 runs on the first tooth rail 4 to form a running support. The tower gear 614 meshes with the first rack 4.
Specifically, as shown in fig. 7, the traveling mechanism of the wheel-track self-propelled gantry tower crane 6 includes a driving motor 7, tower crane traveling steel wheels 613, a tower crane gear 614, a first clutch 8, a second clutch 9, a horizontal shaft 10, a vertical shaft 11, and a driving bevel gear 12 and a driven bevel gear 13 which are engaged with each other, the driving bevel gear 12 is fixedly installed at one end of the horizontal shaft 10, and the other end of the horizontal shaft 10 is connected with a brake disc 14. The transverse shaft 10 is connected to the drive motor 7. In order to increase the torque at low speed, the driving motor 7 provides driving force in cooperation with the planetary reducer.
The tower crane gear 614 is fixedly arranged at the lower end of the vertical shaft 11, and the upper end of the vertical shaft 11 is connected with a brake 15. The tower crane walking steel wheel 613 is sleeved on the 10 through a bearing or a bearing bush. A first clutch 8 is arranged between the tower crane running steel wheels 613 and 10. The body of the first clutch 8 is mounted on 10. When the first clutch 8 is engaged, the tower crane walking steel wheels 613 are driven by the clutch 10 to rotate together; when the first clutch 8 is disengaged, the tower crane running steel wheels 613 do not actively rotate.
The driven bevel gear 13 is sleeved on the vertical shaft 11 through a bearing or a bearing bush, the second clutch 9 is arranged between the driven bevel gear 13 and the vertical shaft 11, and the main body of the second clutch 9 is installed on the vertical shaft 11. When the second clutch 9 is engaged, the driven bevel gear 13 drives the vertical shaft 11 to rotate together; when the second clutch 9 is disengaged, the vertical shaft 11 does not rotate actively.
The size of the movable gantry support is reasonably set according to needs. In the mode, the width of the middle moving gantry support is about 5m, the length of a large lifting arm 61 of the tower crane 6 is 30m, and the lifting weight is 10-20 tons; the crane boom 61 of the tower crane 6 can rotate 360 degrees.
The position of the wheel-rail self-propelled gantry tower crane 6 is fixed when the crane runs to a proper position. The utility model discloses be equipped with the lock solid structure that is used for being connected with mountain region or landing stage longeron in four landing legs 612 outsides for the position of locking removal gantry support prevents that it from removing.
As shown in fig. 6, the locking structure in this embodiment includes an auxiliary leg 615 disposed outside the leg 612 and a locking device disposed on the auxiliary leg 615, and the auxiliary leg 615 is detachably connected to the leg 612. The locking device is provided with different modes according to different conditions of a construction site. If the distance from the ground is not too high, the ground grabbing structure 616 connected with the mountain land is adopted for locking. As shown in fig. 6 and 7, the ground grabbing structure 616 comprises a ground grabbing base 121 and ground grabbing studs 122, one end of the auxiliary leg 615 is connected with the leg 612, the other end of the auxiliary leg 615 is connected with the ground grabbing base 121, when in use, the ground grabbing base 121 is installed on the ground surface and fixed through the ground grabbing studs 122, and the ground grabbing studs 122 are anchored into the ground.
If the ground is too high, a clamping mechanism 123 connected with the truss of the trestle is adopted for locking as shown in fig. 8. An auxiliary leg 615 is connected to the leg 612 at one end and the auxiliary leg 615 is connected to the clamping mechanism 123 at the other end. When locking is required, the clamping mechanism 123 is clamped to the longitudinal steel truss 103.
The utility model discloses an installation method of a construction channel structure, which comprises the following steps,
and 5, adopting a truck crane to cooperate with manual work to install the wheel-rail self-propelled gantry tower cranes 6 on the outer construction passage structure which is installed in place one by one. The number of the wheel-rail self-propelled gantry tower cranes 6 is reasonably calculated according to the length of the trestle line and the second-stage requirement. In this step, although a plurality of wheel-rail self-propelled gantry towers 6 are installed, only the wheel-rail self-propelled gantry tower 6 at the front end is used for installing the slope rack trestle, and the wheel-rail self-propelled gantry tower 6 at the rear end is used for performing track line entity construction operation. Therefore, if only a construction channel structure is installed, only one wheel-rail self-propelled gantry tower crane 6 is installed.
After the wheel rail self-propelled gantry tower crane 6 is installed and debugged, the wheel rail self-propelled gantry tower crane automatically moves to the front end of the construction channel structure and is firmly locked;
step 6, adopting a truck crane to hoist standard sections of the steel truss columns 101, the transverse steel truss beams 102 and the longitudinal steel truss beams 103 which are needed subsequently on the self-propelled wheel-track tooth-track transportation flat car 5;
and 8, hoisting the steel truss columns 101, the transverse steel truss beams 102 and the longitudinal steel truss beams 103 by the wheel-track self-propelled gantry tower crane 6, and installing the steel truss columns 101, the transverse steel truss beams 102 and the longitudinal steel truss beams 103 in place one by one in cooperation with manpower. According to the requirement of the length of the slope engineering quantity, the length of the slope engineering quantity is large, and a large-length construction channel is required to be continuously and automatically installed. The front end of the slope rack trestle is always provided with a wheel-rail self-propelled gantry tower crane 6 and a self-propelled wheel-rail rack transport flat car 5 for continuous repeated work. And the rear wheel-rail self-propelled gantry tower crane 6 and the self-propelled wheel-rail tooth-rail transport flat car 5 are used for the physical construction operation of the track line.
and 11, repeating the steps 9 and 10 until the installation work of the full-slope-section slope toothed rail trestle is completed.
In the utility model, the first steel rail and the first tooth rail form a construction channel for the walking of construction equipment; the second steel rail and the second tooth rail on the inner side of the construction channel form a transportation channel, so that the transportation vehicle can transport materials conveniently, the surface of a mountain and green plants can be basically not damaged, construction materials and construction can be conveniently transported on a slope, and the construction efficiency is favorably improved.
Of course, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit or essential attributes thereof, and that such changes and modifications are intended to be included within the scope of the appended claims.
Claims (7)
1. A construction channel structure is characterized in that: the device comprises a slope toothed rail trestle, wherein the slope toothed rail trestle comprises a transverse steel truss girder, a steel truss column, a longitudinal steel truss girder, a base and a stud for installing and fixing the base;
the bottom end of the steel truss column is fixedly connected with the base, the transverse steel truss girders are transversely arranged at the top of the steel truss column, at least two transverse steel truss girders are arranged, and the longitudinal steel truss girders are longitudinally erected on the transverse steel truss girders; and a steel rail assembly and a toothed rail assembly are longitudinally arranged on the longitudinal steel truss girder.
2. The construction channel structure according to claim 1, wherein: the rail assembly comprises two parallel first rails which are longitudinally mounted on the longitudinal steel truss.
3. The construction channel structure according to claim 2, wherein: the rack rail assembly comprises two first rack rails, and the two first rack rails are arranged on the outer side of one first steel rail waist respectively.
4. The construction channel structure according to claim 2 or 3, wherein: the steel rail assembly further comprises two parallel second steel rails, the second steel rails are longitudinally arranged on the longitudinal steel trusses, and the second steel rails are located between the two first steel rails.
5. The construction channel structure according to claim 4, wherein: the rack assembly further comprises a second rack located on a center line between the two second rails.
6. The construction channel structure according to claim 5, wherein: the second rack comprises I-shaped steel and racks, the racks are mounted on two sides of a web plate of the I-shaped steel, and the racks are arranged along the length direction of the I-shaped steel.
7. The construction channel structure according to claim 4, wherein: the longitudinal steel trusses are parallel and are provided with three rails at intervals, the two first steel rails are respectively installed on the two outer longitudinal steel trusses, and the second steel rail is installed on the inner longitudinal steel trusses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921421032.3U CN211079922U (en) | 2019-08-29 | 2019-08-29 | Construction channel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921421032.3U CN211079922U (en) | 2019-08-29 | 2019-08-29 | Construction channel structure |
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| CN211079922U true CN211079922U (en) | 2020-07-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110565531A (en) * | 2019-08-29 | 2019-12-13 | 成都天府轨谷科技有限公司 | Construction channel structure and installation method |
| CN110565531B (en) * | 2019-08-29 | 2024-04-16 | 成都天府轨谷科技有限公司 | Construction channel structure and installation method |
-
2019
- 2019-08-29 CN CN201921421032.3U patent/CN211079922U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110565531A (en) * | 2019-08-29 | 2019-12-13 | 成都天府轨谷科技有限公司 | Construction channel structure and installation method |
| CN110565531B (en) * | 2019-08-29 | 2024-04-16 | 成都天府轨谷科技有限公司 | Construction channel structure and installation method |
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