CN212054710U - Adjustable tunnel construction rack - Google Patents
Adjustable tunnel construction rack Download PDFInfo
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- CN212054710U CN212054710U CN202020573128.8U CN202020573128U CN212054710U CN 212054710 U CN212054710 U CN 212054710U CN 202020573128 U CN202020573128 U CN 202020573128U CN 212054710 U CN212054710 U CN 212054710U
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- tunnel construction
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Abstract
The utility model discloses a tunnel construction rack with adjustable, including landing leg and hydraulic prop, the landing leg bottom is provided with the support wheel, and runs through at support wheel center has the rotation axis, the landing leg outside is fixed with down the platform, and platform upper surface mounting has platform otter board down, platform otter board edge is provided with the protection railing down, the platform top distributes down has well platform, and well platform edge fastening has the cat ladder, the inboard upper end of landing leg is fixed with the crossbeam, and the crossbeam below distributes and have the bracing, hydraulic prop is located crossbeam upper surface one side, and is fixed with the upper mounting plate on the hydraulic prop, the upper mounting plate middle part distributes and has the otter board. The adjustable tunnel construction rack is provided with a hydraulic prop, the telescopic length range of the hydraulic prop is 0-50cm, the inner wall of the tunnel is of an arc-shaped structure, the requirement of a constructor on the operation height is constantly changed along with the construction position, and the hydraulic prop can be arranged to enable a user to adjust the height of the upper platform as required so as to meet the requirements of site construction.
Description
Technical Field
The utility model relates to a tunnel construction rack technical field specifically is a tunnel construction rack with adjustable.
Background
With the development of society and the progress of science and technology, large-scale efficient excavating machinery, such as TBM large-section heading machines and various rock drills, are increasingly used in tunnel excavation. However, due to the limitation of economic conditions and the restriction of technical level, few tunnels which can use high-efficiency excavation machinery and exert high efficiency are available, and a large number of tunnels are excavated by adopting manual drilling blasting (machinery) through a construction rack. The manual air drill excavation is limited by the operation height of the tunnel, and particularly in the overhead excavation operation process of a climbing section (such as a rail transit access), a platform is inclined, workers are difficult to stand, the safety risk is high, and the construction quality is difficult to guarantee.
In use of the tunnel construction rack in the market, the height of a platform is inconvenient to adjust, troubles are brought to construction, the whole weight of the device is large, steel is wasted seriously, and the adjustable tunnel construction rack is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tunnel construction rack with adjustable to solve the highly inconvenient adjustment of the platform that proposes in the above-mentioned background art, bring the trouble for the construction, it is big to install whole weight, the extravagant serious problem of steel.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a tunnel construction rack with adjustable, includes landing leg and hydraulic prop, the landing leg bottom is provided with the support wheel, and runs through at support wheel center has the rotation axis, the landing leg outside is fixed with down the platform, and platform upper surface mounting has platform otter board down, platform otter board edge is provided with the protection railing down, the platform top distributes down has well platform, and well platform edge fastening has the cat ladder, landing leg inboard upper end is fixed with the crossbeam, and the crossbeam below distributes and has the bracing, hydraulic prop is located crossbeam upper surface one side, and is fixed with the upper mounting plate on the hydraulic prop, the upper mounting plate middle part distributes and has the otter board, and the part has the floor in the otter board, floor axis department is provided with the slide rail, and the laminating of slide rail upper end has the slip table, the upper mounting plate.
Preferably, the lower platform is matched with the lower platform screen plate in shape and size, and the lower platform screen plate is of a net structure.
Preferably, the cross beam and the support legs are of a welding integrated structure, and the support legs are symmetrically distributed around the central axis of the cross beam.
Preferably, the hydraulic prop is of a telescopic structure, and the telescopic length of the hydraulic prop ranges from 0cm to 50 cm.
Preferably, the central axis of the sliding rail and the central axis of the upper platform are on the same horizontal line, and the sliding rail and the sliding table form a linear reciprocating motion structure.
Preferably, the extension ladders are symmetrically distributed about the upper platform, and the number of the extension ladders is 2.
Compared with the prior art, the beneficial effects of the utility model are that: the adjustable tunnel construction rack is provided with a hydraulic prop, the telescopic length range of the hydraulic prop is 0-50cm, the inner wall of the tunnel is of an arc-shaped structure, the requirement of a constructor on the operation height is constantly changed along with the construction position, and the hydraulic prop can be arranged to enable a user to adjust the height of the upper platform as required so as to meet the requirements of site construction.
The lower platform otter board is network structure, is connected for welding integration between lower platform and the lower platform otter board, and the setting of lower platform otter board for lower platform and the whole weight reduction of device reduce the pressure that lower platform supported and landing leg bore, not only let constructor safer, can reduce device material quantity simultaneously, reduce cost.
Extension ladder quantity is 2, and the extension ladder is extending structure, because the upper mounting plate can height-adjusting under the effect of hydraulic pressure post, the setting of extension ladder lets the user can follow the length of the height adjustment extension ladder of upper mounting plate, lets the user can follow the platform and shift to the upper mounting plate on, satisfies constructor's operation requirement.
Drawings
FIG. 1 is a schematic front view of the present invention;
fig. 2 is a schematic top view of the upper platform of the present invention;
fig. 3 is a schematic structural diagram of the present invention.
In the figure: 1. a support leg; 2. a support wheel; 3. a rotating shaft; 4. a lower platform; 5. a lower platform screen plate; 6. a guard rail; 7. a middle platform; 8. climbing a ladder; 9. a cross beam; 10. bracing; 11. a hydraulic prop; 12. an upper platform; 13. a screen plate; 14. a rib plate; 15. a slide rail; 16. a sliding table; 17. an extension ladder.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: an adjustable tunnel construction rack comprises supporting legs 1, supporting frame wheels 2, a rotating shaft 3, a lower platform 4, a lower platform screen 5, a protective railing 6, a middle platform 7, a ladder stand 8, a cross beam 9, an inclined strut 10, a hydraulic prop 11, an upper platform 12, a screen 13, a rib plate 14, a slide rail 15, a sliding table 16 and a telescopic ladder 17, wherein the supporting frame wheels 2 are arranged at the bottom of the supporting legs 1, the rotating shaft 3 penetrates through the centers of the supporting frame wheels 2, the lower platform 4 is fixed at the outer side of the supporting legs 1, the appearance sizes of the lower platform 4 and the lower platform screen 5 are identical, the lower platform screen 5 is of a net structure, the lower platform 4 and the lower platform screen 5 are connected in a welding and integrated mode, the lower platform screen 5 is arranged, the overall weight of the lower platform 4 and the device is reduced, the pressure borne by the supporting legs 1 and supported by the lower platform 4 is reduced, not only is constructors, the cost is reduced;
the upper surface of the lower platform 4 is provided with a lower platform screen plate 5, the edge of the lower platform screen plate 5 is provided with a protective railing 6, a middle platform 7 is distributed above the lower platform 4, the edge of the middle platform 7 is fixedly provided with a ladder 8, the upper end of the inner side of each supporting leg 1 is fixedly provided with a cross beam 9, the cross beam 9 and the supporting legs 1 are of a welding integrated structure, and the supporting legs 1 are symmetrically distributed about the central axis of the cross beam 9;
the inclined struts 10 are distributed below the cross beam 9, the hydraulic support 11 is positioned on one side of the upper surface of the cross beam 9, the upper end of the hydraulic support 11 is fixedly provided with an upper platform 12, the hydraulic support 11 is of a telescopic structure, the telescopic length range of the hydraulic support 11 is 0-50cm, as the inner wall of the tunnel is of an arc-shaped structure, the requirement of a constructor on the operation height is constantly changed along with the construction position, and the arrangement of the hydraulic support 11 can enable a user to adjust the height of the upper platform 12 as required so as to meet the requirement of site construction;
the screen 13 is distributed in the middle of the upper platform 12, the rib plate 14 is distributed in the middle of the screen 13, the slide rail 15 is arranged at the central axis of the rib plate 14, the sliding table 16 is attached to the upper end of the slide rail 15, the central axis of the slide rail 15 and the central axis of the upper platform 12 are on the same horizontal line, and the slide rail 15 and the sliding table 16 form a linear reciprocating motion structure;
the upper platform 12 outside is fixed with extension ladder 17, extension ladder 17 is about upper platform 12 symmetric distribution, and extension ladder 17 quantity is 2, extension ladder 17 is extending structure, because upper platform 12 can height-adjusting under hydraulic prop 11's effect, extension ladder 17's setting lets the user can be according to upper platform 12's height-adjusting extension ladder 17's length, lets the user can follow on platform 7 shifts to upper platform 12, satisfies constructor's operation requirement.
The working principle is as follows: for the adjustable tunnel construction rack, three platforms, namely a lower platform 4, a middle platform 7 and an upper platform 12 can meet the construction requirements of different heights when constructors carry out tunnel construction, a lower platform screen 5 is of a net structure, the lower platform 4 and the lower platform screen 5 are integrally connected in a welding way, the lower platform 4 and the device are arranged, the overall weight of the lower platform 4 and the device is reduced, the pressure borne by the lower platform 4 and the supporting legs 1 is reduced, the constructors are safer, the material consumption of the device can be reduced, a ladder 8 is fixed at the edge of the middle platform 7, a cross beam 9 is fixed at the upper end of the inner side of each supporting leg 1, the cross beam 9 and the supporting legs 1 are of an integrally welded structure, the supporting legs 1 are symmetrically distributed relative to the central axis of the cross beam 9, the structure is arranged, the stress of the device is more reasonable, and the self weight and the load borne, the device is more firm and stable, the range of the telescopic length of the hydraulic support 11 is 0-50cm, the inner wall of the tunnel is of an arc structure, the requirement of a constructor on the operation height is continuously changed along with the construction position, the setting of the hydraulic support 11 can lead a user to adjust the height of the upper platform 12 as required to meet the requirement of site construction, the setting of the sliding table 16 leads the user to stand on the sliding table 16, the construction requirement on the top of the tunnel is conveniently met under the condition that the height of the upper platform 12 is not adjusted, the energy consumption is saved, meanwhile, the position of the sliding table 16 can be adjusted by the linear reciprocating motion structure formed by the sliding rail 15 and the sliding table 16 by the user, the construction requirements of different positions in the middle part of the upper platform 12 are met, the length of the telescopic ladder 17 can be adjusted by the user according to the height of the upper platform 12, and the user can be transferred to the upper platform, the operation requirements of constructors are met.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a tunnel construction rack with adjustable, includes landing leg (1) and hydraulic prop (11), its characterized in that: the support is characterized in that support wheels (2) are arranged at the bottom of the support leg (1), a rotating shaft (3) penetrates through the center of each support wheel (2), a lower platform (4) is fixed on the outer side of each support leg (1), a lower platform screen (5) is installed on the upper surface of each lower platform (4), protective railings (6) are arranged on the edges of the lower platform screen (5), a middle platform (7) is distributed above each lower platform (4), a ladder stand (8) is fixed on the edge of each middle platform (7), a cross beam (9) is fixed at the upper end of the inner side of each support leg (1), inclined struts (10) are distributed below each cross beam (9), hydraulic struts (11) are located on one side of the upper surface of each cross beam (9), upper platforms (12) are fixed at the upper ends of the hydraulic struts (11), screen plates (13) are distributed in the upper platforms (12), and ribbed plates (, rib board (14) axis department is provided with slide rail (15), and the laminating of slide rail (15) upper end has slip table (16), the upper platform (12) outside is fixed with extension ladder (17).
2. The adjustable tunnel construction rack according to claim 1, wherein: the lower platform (4) is matched with the lower platform screen (5) in shape and size, and the lower platform screen (5) is of a net structure.
3. The adjustable tunnel construction rack according to claim 1, wherein: crossbeam (9) and landing leg (1) are welding integrated structure, and landing leg (1) is about crossbeam (9) axis symmetric distribution.
4. The adjustable tunnel construction rack according to claim 1, wherein: the hydraulic prop (11) is of a telescopic structure, and the telescopic length range of the hydraulic prop (11) is 0-50 cm.
5. The adjustable tunnel construction rack according to claim 1, wherein: the central axis of the sliding rail (15) and the central axis of the upper platform (12) are on the same horizontal line, and the sliding rail (15) and the sliding table (16) form a linear reciprocating motion structure.
6. The adjustable tunnel construction rack according to claim 1, wherein: the extension ladders (17) are symmetrically distributed about the upper platform (12), and the number of the extension ladders (17) is 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020573128.8U CN212054710U (en) | 2020-04-17 | 2020-04-17 | Adjustable tunnel construction rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020573128.8U CN212054710U (en) | 2020-04-17 | 2020-04-17 | Adjustable tunnel construction rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212054710U true CN212054710U (en) | 2020-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020573128.8U Active CN212054710U (en) | 2020-04-17 | 2020-04-17 | Adjustable tunnel construction rack |
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| Country | Link |
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| CN (1) | CN212054710U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115199019A (en) * | 2022-09-19 | 2022-10-18 | 吉士达建设集团有限公司 | Intelligent movement construction platform is used in waterproof construction of tunnel |
-
2020
- 2020-04-17 CN CN202020573128.8U patent/CN212054710U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115199019A (en) * | 2022-09-19 | 2022-10-18 | 吉士达建设集团有限公司 | Intelligent movement construction platform is used in waterproof construction of tunnel |
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