CN220248097U - Combined portal type tunnel moving bench - Google Patents
Combined portal type tunnel moving bench Download PDFInfo
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- CN220248097U CN220248097U CN202321697300.0U CN202321697300U CN220248097U CN 220248097 U CN220248097 U CN 220248097U CN 202321697300 U CN202321697300 U CN 202321697300U CN 220248097 U CN220248097 U CN 220248097U
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- moving
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- 238000000034 method Methods 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 32
- 239000010959 steel Substances 0.000 claims description 32
- 238000003466 welding Methods 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims 5
- 238000010276 construction Methods 0.000 abstract description 15
- 238000007689 inspection Methods 0.000 abstract description 10
- 239000002023 wood Substances 0.000 abstract description 6
- 238000009432 framing Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Abstract
The utility model provides a combined portal type tunnel movable rack, and belongs to the field of railway engineering. The two-line portal type tunnel moving rack comprises a rack, wherein walking wheels are arranged at the bottoms of two sides of the rack, a supporting frame is arranged below the middle of the rack, a moving system is fixedly arranged at the bottom of the supporting frame, the top of the supporting frame is located at the lower side of a horizontal rod of the top of the rack, two sides of the top of the supporting frame are fixedly connected with the horizontal rods of two sides of the top of the rack through inclined rods respectively to replace direct connection between the horizontal rods of two sides of the top of the rack, quick-release racks are respectively fixed on the horizontal rods of two sides of the top of the rack, a wood plate is fully paved between upper planes of the quick-release racks of the two sides of the rack, the wood plate is used as a tunnel middle operation platform, and 4 rows of the combined portal type tunnel moving rack is longitudinally distributed according to 1.5 m intervals. The method solves the problems that the existing inspection bench is slow in inspection progress, difficult to quickly avoid when encountering a hanging column, long in construction period and the like.
Description
Technical Field
The utility model belongs to the field of railway engineering, and particularly relates to a combined portal type tunnel movable bench.
Background
With the rapid development of high-speed construction in China, the highest operation speed is increased to 350km/h, higher standard requirements are provided for the construction quality of the tunnel, before the tunnel formally passes, a construction unit is matched with a working section worker to check the quality of the whole tunnel, the working section worker needs to provide an inspection platform by the construction unit, the working section worker uses a knocking hammer to knock along the inner contour of the tunnel section by section on the inspection platform to check the quality of the tunnel, the conventional practice at present is to set up a full framing support section by section for inspection to complete the maintenance of the tunnel section, the support is dismantled and the platform of the next stage is set up again, the mode has the advantages of flexible setting up form, incapability of moving, large workload, and the condition of crossing operation between the construction inspection work and the construction work when the construction of electrified and non-slag tracks is started, if the full framing is still adopted, the requirement of the construction train of the units such as the electrified and track laying frames cannot be met, the support frame setting up type cannot be unified, the support frame setting up quality cannot be guaranteed, and the potential safety hazards of the construction standard cannot exist. Secondly, the traditional movable type rack is adopted for moving and checking, when the hanging columns at the arch part of the tunnel are installed, the whole dismantling method of the top rack is needed to pass, each time of dismantling and installing construction is delayed, the time is long, and the construction function of the rack is limited. Thirdly, the crank arm vehicle is adopted to carry out high-altitude operation, only two persons can operate at a time, the equipment cost is high, and the inspection speed is low.
Disclosure of Invention
The utility model provides a combined portal type tunnel moving rack aiming at the technical problems, so as to solve the defects of the prior inspection rack construction.
The utility model provides a combined portal type tunnel moving rack, which is a double-line portal type rack, wherein walking wheels are arranged at the bottoms of two sides of the rack, a supporting frame is vertically arranged below the middle part of the rack, a moving system is fixedly arranged at the bottom of the supporting frame, the top of the supporting frame is positioned at the lower side of a horizontal rod at the top of the rack, two sides of the top of the supporting frame are fixedly connected with the horizontal rods at two sides of the top of the rack through inclined rods respectively to replace direct connection and fixation between the horizontal rods at two sides of the top of the rack, so that the middle part of the upper end of the rack is provided with a V-shaped concave structure, interference with a hanging column in the moving process is avoided, quick-dismantling racks are respectively fixed on the horizontal rods at two sides of the top of the rack, a wood plate is fully paved between upper planes of the quick-dismantling racks at two sides, and the wood plate is longitudinally distributed according to 1.5 m intervals to form the combined connection of the combined portal type tunnel moving rack.
In the moving rack, the lower parts of the inclined rods on two sides of the supporting frame are arranged in a crossing way, and the lower parts of the inclined rods are respectively welded and fixed with the rack bodies on two sides of the top of the supporting frame 3;
among the aforesaid mobile bench, quick detach frame is formed by the pole setting of four corners distribution and the horizontal steel pipe frame combination that is fixed in the pole setting upper end, strengthen fixedly through detachable bracing between the pole setting, be equipped with the fixed point in the pole setting, the bracing is fixed and is accomplished the shelf combination on the fixed point of pole setting through the connecting piece, the efficiency that has quick detach quick combination, the horizontal pole upper end at rack top corresponds the position welding of pole setting has 5 x 1cm steel sheet, vertical welding has 10cm long phi 30 steel bar on the steel sheet, as the support stress point of quick detach frame, the lower extreme of pole setting all corresponds to be connected on the steel bar, the cover is located on the steel bar and is fixed through transverse bolt locking, in order to dismantle.
In the moving rack, at least 6 groups of operation platforms are distributed and fixed on the outer sides of two sides of the rack and the top of the rack, and the operation platforms are symmetrically distributed on the two sides and the top of the rack;
in the moving rack, the moving system is formed by welding I14I-steel into a rectangular frame chassis, the four corners inside the frame are connected by adopting channel steel butt welding, the bearing capacity of the frame is enhanced, and the four corners of the I-steel are respectively provided with holes for installing 6 inch extra heavy rubber universal wheels.
In the moving rack, a traveling track is arranged below the moving system along the traveling direction in the tunnel, and the extra-heavy rubber universal wheels at the bottom of the moving system are arranged in the traveling track in a traveling manner;
compared with the prior art, the middle part of the upper end of the rack is provided with the V-shaped concave structure, so that the rack main body structure can avoid the hanging columns when the hanging columns are encountered, interference is avoided, the operation platform on the inner side of the top of the rack is realized through the quick-dismantling rack, the operation platform on the center of the top can be quickly completely or partially dismantled when the hanging columns are encountered, the evading workload and the working intensity when the hanging columns are encountered are reduced to the greatest extent, the evading workload and the working intensity when the hanging columns are encountered can be saved by about half an hour compared with the existing trolley structure each time, meanwhile, the tunnel movable rack is convenient to install and disassemble, simple in structure and convenient to move, the upper rack can be movably combined according to different tunnel clearance barriers, various tasks are adapted, the door opening reserved below the tunnel is met, the synchronous operation of the inner multiparty construction of the tunnel is met, the quality inspection speed and the integral tunnel construction progress are greatly improved, the labor cost is reduced, and the popularization is strong.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a front view of the present utility model;
FIG. 3 is an enlarged view of a portion of FIG. 1 at A;
the device comprises a reference numeral 1-rack, 2-travelling wheels, 3-supporting frames, a 4-moving system, 5-horizontal rods, 6-diagonal rods, 7-quick-dismantling frames, 71-horizontal steel pipe frames, 72-vertical rods, 73-diagonal braces, 8-wood boards, 9-operating platforms, 10-travelling rails and 11-hanging columns.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples.
Examples
As shown in fig. 1 to 3, this embodiment is improved to portal type tunnel moving rack, the combination portal type tunnel moving rack that this embodiment provided is double-line portal type rack, the bottom of rack 1 both sides all is provided with walking wheel 2, the below at rack 1 middle part is provided with support frame 3 vertically, the bottom fixed mounting of support frame 3 has moving system 4, support frame 3 is rack steel scaffold skeleton system, set up interval 60cm double steel scaffold on moving system 4 chassis, high 5.1m, seven horizontal crossbars of vertical arrangement, the top of support frame 3 is located the downside of the horizon bar 5 at rack 1 top, and the both sides at support frame 3 top are fixed with the horizon bar 5 fixed connection of replacing rack 1 top both sides through diagonal bar 6 respectively, so that the middle part of rack 1 upper end has "V" type concave structure, in order to avoid moving the in-process to interfere with the davit, the lower part of diagonal bar 6 of support frame 3 both sides is alternately set up, and the lower part of diagonal bar 6 is fixed with the support body of the support frame 3 top both sides respectively.
The moving system 4 is a rectangular frame chassis with the length of 4.7m and the width of 0.6m formed by welding I14I-steel, four corners inside the frame are connected by adopting I5 channel steel butt welding, the bearing capacity of the frame is enhanced, holes are respectively formed in the four corners of the I-steel and are used for installing 6 inch extra heavy rubber universal wheels, a phi 20 threaded steel with the length of 10cm is welded on a universal wheel steel plate and is used for adjusting the direction of the universal wheels, a travelling rail 10 is arranged below the moving system 4 along the travelling direction in a tunnel, the extra heavy rubber universal wheels at the bottom of the moving system 4 are arranged in the travelling rail 10 in a travelling way, and the travelling rail 10 is used for limiting the derailment of the universal wheels and preventing the overturning of a rack.
The horizontal rods 5 on two sides of the top of the rack 1 are respectively fixed with a quick-release rack 7, boards 8 with the thickness of 5cm are fully paved between the upper planes of the quick-release racks 7 on two sides and serve as operation platforms in the middle of a tunnel, 4 rows of the operation platforms are longitudinally distributed according to the distance of 1.5 meters and are combined and connected to form the combined portal type tunnel moving rack, at least 6 groups of operation platforms 9 are distributed and fixed on the outer sides of the two sides of the rack 1 and the top of the rack 1, and the operation platforms 9 are symmetrically distributed on the two sides and the top of the rack 1.
The quick-release frame 7 is formed by combining upright posts 72 distributed in four corners and a horizontal steel pipe rack 71 fixed at the upper ends of the upright posts 72, wherein the upright posts 72 are fixedly reinforced through detachable diagonal braces 73, fixed points are arranged on the upright posts 72, the diagonal braces 73 are fixed on the fixed points of the upright posts 72 through connecting pieces to complete frame combination, the quick-release frame has the effect of quick-release combination, the position, corresponding to the upright posts 72, of the upper end of a horizontal rod 5 at the top of the rack 1 is welded with a steel plate of 5 x 1cm, the steel plate is vertically welded with a steel bar of 10cm long phi 30 to serve as a supporting stress point of the quick-release frame 7, and the lower ends of the upright posts 72 are correspondingly connected to the steel bars, sleeved on the steel bars and locked and fixed through transverse bolts so as to be convenient to detach.
When the trolley is at the bottom appointed position for checking operation, the traveling system is in a braking state, and triangle wood is adopted for cushioning, so that the trolley is prevented from sliding; at this time, the operator can use the bench to perform the quality inspection work of the second lining of the tunnel, and the operator at the top bench can use the tunnel to move the ladder car up and down, so that the total operator needs to be more than 8 people. The number of operators on one side of the line is not more than 4, wherein the number of operators on one side of the platform 3 and the platform 4 is not more than 2. When the front moving process of the trolley encounters the arch hanging column, the trolley is quickly dismantled and installed through the quick-dismantling frame, and the trolley is saved by nearly half an hour compared with the traditional dismantling mode, and is more convenient to construct.
Claims (6)
1. The utility model provides a combination portal formula tunnel removes rack, this rack (1) is two line portal formula racks, and the bottom of rack (1) both sides all is provided with walking wheel (2), its characterized in that: the lower vertical support frame (3) that is provided with in the middle part of rack (1), the bottom fixed mounting of support frame (3) has moving system (4), the top of support frame (3) is located the downside of horizontal pole (5) at rack (1) top, and the both sides at support frame (3) top are respectively through diagonal bar (6) and horizontal pole (5) fixed connection in order to replace the direct connection between horizontal pole (5) at rack (1) top both sides fixed, so that the middle part of rack (1) upper end has "V" type indent structure, in order to avoid moving the in-process and take place to interfere with the davit, be fixed with quick detach frame (7) on horizontal pole (5) at rack (1) top both sides respectively, shop plank (8) are fully laid between the plane on quick detach frame (7) of both sides, as tunnel middle part operation platform, vertically according to 1.5 meters interval distribution 4 row and combination connection form a combination portal type tunnel removes the rack.
2. A composite portal type tunnel moving rack as claimed in claim 1, wherein: the lower parts of the inclined rods (6) at two sides of the support frame (3) are arranged in a crossing manner, and the lower parts of the inclined rods (6) are respectively welded and fixed with the frame bodies at two sides of the top of the support frame (3).
3. A composite portal type tunnel moving rack as claimed in claim 1, wherein: the quick-release frame (7) is formed by combining upright rods (72) distributed at four corners and a horizontal steel pipe rack (71) fixed at the upper ends of the upright rods (72), wherein the upright rods (72) are fixedly reinforced through detachable diagonal braces (73), fixed points are arranged on the upright rods (72), the diagonal braces (73) are fixed on the fixed points of the upright rods (72) through connecting pieces to complete frame combination, 5 x 1cm steel plates are welded at positions, corresponding to the upright rods (72), of the upper ends of horizontal rods (5) at the tops of the frames (1), 10cm long phi 30 steel bars are welded on the steel plates vertically and serve as supporting stress points of the quick-release frame (7), and the lower ends of the upright rods (72) are correspondingly connected to the steel bars and sleeved on the steel bars and locked and fixed through transverse bolts.
4. A composite portal type tunnel moving rack as claimed in claim 1, wherein: at least 6 groups of operation platforms (9) are distributed and fixed on the outer sides of the two sides of the rack (1) and the top of the rack (1), and the operation platforms (9) are symmetrically distributed on the two sides and the top of the rack (1).
5. A composite portal type tunnel moving rack as claimed in claim 1, wherein: the moving system (4) is formed by welding I14I-steel into a rectangular frame chassis, four corners inside the frame are connected by adopting channel steel butt welding, the bearing capacity of the frame is enhanced, and the four corners of the I-steel are respectively provided with holes for installing 6 inch extra heavy rubber universal wheels.
6. A composite portal type tunnel moving rack as claimed in claim 1, wherein: and a travelling rail (10) is arranged below the moving system (4) along the travelling direction in the tunnel, and the extra-heavy rubber universal wheels at the bottom of the moving system (4) are arranged in the travelling rail (10) in a travelling manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321697300.0U CN220248097U (en) | 2023-06-30 | 2023-06-30 | Combined portal type tunnel moving bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321697300.0U CN220248097U (en) | 2023-06-30 | 2023-06-30 | Combined portal type tunnel moving bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220248097U true CN220248097U (en) | 2023-12-26 |
Family
ID=89225926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321697300.0U Active CN220248097U (en) | 2023-06-30 | 2023-06-30 | Combined portal type tunnel moving bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220248097U (en) |
-
2023
- 2023-06-30 CN CN202321697300.0U patent/CN220248097U/en active Active
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