CN214996345U - Assembled overhanging pedestrian escalator for deep foundation pit - Google Patents
Assembled overhanging pedestrian escalator for deep foundation pit Download PDFInfo
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- CN214996345U CN214996345U CN202121367720.3U CN202121367720U CN214996345U CN 214996345 U CN214996345 U CN 214996345U CN 202121367720 U CN202121367720 U CN 202121367720U CN 214996345 U CN214996345 U CN 214996345U
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Abstract
The utility model discloses an assembled overhanging pedestrian escalator for deep foundation pit, relating to the technical field of construction engineering construction, comprising a stair bearing structure, a stair platform structure and a stair main body structure, wherein the stair bearing structure comprises a plurality of upper main beams, lower main beams, connecting rods and supporting frames, the upper and lower main beams are respectively arranged on the upper and lower surfaces of the main body structure, one end of the upper main beam extends out of the main body structure and is slightly longer than the lower main beam; the connecting rods are detachably arranged between the upper main beam and the lower main beam; two ends of the support frame are respectively detachably connected with the front end of the upper main beam and the front end of the lower main beam; the stair platform structure comprises a platform steel plate, and the platform steel plate is detachably mounted on the extending end of the upper main beam; the main structure of the staircase comprises main inclined ladder beams and stair treads, wherein the two main inclined ladder beams are arranged between two groups of adjacent landing structures side by side and are detachably connected with the two adjacent landing structures; the device has the characteristics of standardization and modularization, can be processed in a factory and assembled on site, and effectively shortens the construction period.
Description
Technical Field
The utility model relates to a construction engineering construction technical field, concretely relates to assembled pedestrian's escalator of encorbelmenting for deep basal pit.
Background
At present, an overhanging pedestrian escalator for a deep foundation pit on an engineering construction site is generally manufactured by pre-embedding a steel plate in a concrete structure, and then welding channel steel and the steel plate to form a structure of a supporting platform, wherein main structures of the escalator are all in welded connection; this kind of use welding as staircase structure of giving first place to, it is minimum to have enough to meet need the rate of utilization in different structures, different projects, and the material waste of use is serious, can not directly have enough to meet the need the use, and the dismouting is inconvenient, has increased constructor's working strength, and the practicality is relatively poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an assembled pedestrian's staircase of encorbelmenting for deep basal pit to the defect that prior art exists.
The technical scheme of the utility model is that: an assembled overhanging pedestrian escalator for a deep foundation pit comprises a stair bearing structure, a stair platform structure and a stair main structure, wherein the stair bearing structure is fixedly installed on each layer of main structure of the deep foundation pit and comprises a plurality of upper main beams, lower main beams, connecting rods and supporting frames; the connecting rods are detachably arranged between the upper main beam and the lower main beam and are perpendicular to the upper main beam and the lower main beam; two ends of the support frame are detachably connected with the front end of the upper main beam and the front end of the lower main beam respectively, and detachable connecting pieces are arranged between the adjacent end parts of the upper main beam and between the adjacent end parts of the lower main beam;
the stair platform structure comprises a platform steel plate, and the platform steel plate is detachably mounted on the extending end of the upper main beam;
the main structure of the staircase comprises main inclined ladder beams and stair treads, wherein the two main inclined ladder beams are arranged between two adjacent landing structures side by side and are detachably connected with the two adjacent landing structures; a plurality of the stair treads are installed between two inclined ladder main beams in a linear array, and detachable handrail rails are arranged on the inclined ladder main beams and the platform steel plate.
Preferably, the upper main beam and the lower main beam are double-spliced channel steel, and the inclined ladder main beam is channel steel.
Preferably, the joints of the upper main beam and the lower main beam with the support frame are provided with stiffening plates, the stiffening plates are provided with lugs, the two ends of the support frame are provided with lug seats matched with the lugs, and the support frame is connected with the stiffening plates through the matching of the lug seats and the lugs.
Preferably, the periphery of the upper part of the platform steel plate and the upper part of the main beam of the inclined ladder are respectively provided with a plurality of sleeves for mounting handrail, the handrail comprises upright posts and cross rods, the upright posts are in socket joint with the sleeves, and the upright posts are provided with a plurality of layers of holes for mounting the cross rods; the cross rod passes through the open hole and is detachably connected with the vertical rod.
Preferably, the stair platform structure still includes the baseboard, the both sides of baseboard are equipped with vertical decurrent inserted bar, the upper portion periphery of platform steel sheet be equipped with the sleeve of inserted bar adaptation, the baseboard passes through the inserted bar and is connected with the socket joint, there is the interval baseboard and the pole setting of both sides.
Preferably, the upper main beam, the lower main beam and the support frame in the stair bearing structure are respectively provided with two.
Compared with the prior art, the utility model, have following advantage:
(1) the escalator main body is formed by mutually splicing a plurality of inclined ladders, can be spliced and combined into an assembly type overhanging pedestrian escalator suitable for various heights or angles according to the distance difference and the height difference of a foundation pit concrete supporting structure, and has wide application range, flexible use and strong practicability; the inclined ladder has the characteristics of standardization and modularization, can be processed in a factory and assembled on site, effectively shortens the construction period, is convenient to disassemble and assemble, can be recycled, and saves equipment resources;
(2) the handrail of the device consists of a plurality of handrail splicing pieces, and is matched with the splicing structure of the escalator main body, so that the handrail is more convenient and quicker to install;
(3) the device is of a corner type stair structure, two opposite people can go up and down simultaneously, and the traffic is convenient;
(4) the device has reasonable structural design, low manufacturing cost, good overall stability, safe and reliable use, economy and applicability;
(5) the material used by the device is a general material for construction sites, and part of the material can be developed and applied secondarily by using waste materials, so that green construction, energy conservation and emission reduction are realized.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a load bearing structure of a staircase;
FIG. 3 is a schematic structural view of a landing configuration;
FIG. 4 is a schematic structural view of a main structure of the staircase;
fig. 5 is a schematic structural view of the skirting board.
In the figure: 1. stair bearing structure, 101, go up the girder, 102, girder, 103, connecting rod, 104, support frame, 105, connecting piece, 106, stiffener, 107, lug, 108, ear seat, 2, stair platform structure, 201, platform steel sheet, 3, stair major structure, 301, inclined ladder girder, 302, stair tread, 303, pole setting, 304, horizontal pole, 4, sleeve pipe, 5, baseboard, 501, inserted bar.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example one
Referring to fig. 1-4, an assembled overhanging pedestrian escalator for a deep foundation pit comprises a stair bearing structure 1, a stair platform structure 2 and a stair main structure 3 which are fixedly installed on each layer of main structure of the deep foundation pit, wherein the stair bearing structure 1 comprises two upper main beams 101, two lower main beams 102, a plurality of connecting rods 103 and two supporting frames 104, the upper main beams 101 and the lower main beams 102 are double-spliced channel steel, the upper main beams 101 are arranged on the upper surface of the main structure, the lower main beams 102 are arranged on the lower surface of the main structure, and one end of each upper main beam 101 extends out of the main structure and is slightly longer than the lower main beams 102; a plurality of connecting rods 103 are arranged between the upper main beam 101 and the lower main beam 102 through bolts and are perpendicular to the two; two ends of the support frame 104 are respectively detachably connected with the front end of the upper main beam 101 and the front end of the lower main beam 102, and detachable connecting pieces 105 are arranged between the adjacent end parts of the upper main beam 101 and the adjacent end parts of the lower main beam 102;
the stair platform structure 2 comprises a platform steel plate 201, and the platform steel plate 201 is installed on the extending end of the upper main beam 101 through bolts;
the main stair body structure 3 comprises inclined stair main beams 301 and stair treads 302, the inclined stair main beams 301 are channel steel, and the two inclined stair main beams 301 are arranged between the two adjacent stair platform structures 2 in parallel and detachably connected with the two adjacent stair platform structures; a plurality of stair treads 302 are installed between two inclined ladder main beams 301 in a linear array, and the inclined ladder main beams 301 and the platform steel plate 201 are both provided with detachable hand rails.
When the stair is applied, the construction sequence is from bottom to top, the installation is carried out layer by layer, the stair bearing structure 1 and the stair platform structure 2 are installed firstly, and then the stair main body structure 3 is installed; the specific installation method is as follows:
this escalator installation order: the installation positions of the upper main beam 101 and the lower main beam 102 in the stair bearing structure 1 are lofted on the foundation pit concrete supporting structures of each layer → the stair bearing structures 1 of each layer are installed from bottom to top → the stair platform structures 2 of each layer are installed → the stair main structures 3 of each layer are installed from bottom to top.
The mounting positions of an upper main beam 101 and a lower main beam 102 in a stair bearing structure 1 are lofted on the foundation pit concrete supporting structures of each layer, after lofting is completed, the upper main beam 101 is hoisted to the lofting position by using a truck crane, the lower main beam 102 is hoisted to the lofting position by using the truck crane in a matching way, and then the upper main beam 101 and the lower main beam 102 are respectively and firmly fixed by using a connecting rod 103 and a supporting frame.
And mounting the prefabricated stair platform structure 2 on the stair bearing structure 1 on each layer of foundation pit concrete supporting structure, and fastening by using bolts.
Hoisting the main beam 301 of the inclined ladder by matching with a truck crane, wherein the pre-opened hole on the main beam 301 of the inclined ladder corresponds to the pre-opened hole on the upper main beam 101 and is fastened by a bolt; then, the stair treads 302 are installed, the reserved holes are corresponding to each other, and the stair treads are fastened by bolts; and synchronously installing the prefabricated handrail on the main beam 301 of the inclined ladder and the platform steel plate 201.
The escalator main body is formed by mutually splicing a plurality of inclined ladders, can be spliced and combined into an assembly type overhanging pedestrian escalator suitable for various heights or angles according to the distance difference and the height difference of a foundation pit concrete supporting structure, and has wide application range, flexible use and strong practicability; the inclined ladder has the characteristics of standardization and modularization, can be processed in a factory and assembled on site, effectively shortens the construction period, is convenient to disassemble and assemble, can be recycled, and saves equipment resources; the device is of a corner type stair structure, two opposite people can go up and down simultaneously, and the traffic is convenient; the device has the advantages of reasonable structural design, low manufacturing cost, good overall stability, safe and reliable use, economy and applicability.
Example two
As a preferred embodiment of the present invention, the installation method of the support frame 104 and the handrail is optimized on the basis of the first embodiment, specifically:
referring to fig. 2, in the present embodiment, stiffening plates 106 are disposed at the joints of the upper main beam 101 and the lower main beam 102 with the support frame 104, lugs 107 are disposed on the stiffening plates 106, ear seats 108 adapted to the lugs 107 are disposed at the two ends of the support frame 104, and the support frame 104 is connected to the stiffening plates 106 through bolts by the cooperation of the ear seats 108 and the lugs 107.
Referring to fig. 3-4, the periphery of the upper part of the platform steel plate 201 and the upper part of the main beam 301 of the inclined ladder are both provided with a plurality of sleeves 4 for mounting handrail, the handrail comprises upright posts 303 and cross bars 304, the upright posts 303 are in socket connection with the sleeves 4, and three layers of holes for mounting the cross bars 304 are arranged on the upright posts 303; the cross bar 304 passes through the opening to be detachably connected with the upright 303.
The sleeve 4 is welded on the main beam 301 of the inclined ladder, the upright post 303 is made of a steel pipe with the diameter of 48-57mm and the wall thickness of 10-12mm, the length is 120cm, the upright post 303 is connected with the sleeve 4 in a socket joint mode, three rows of holes are formed in the column body of the upright post 303, and the hole diameter is larger than the diameter of the cross rod 304 by one; the cross rod 304 is made of a steel pipe with the diameter smaller than that of the vertical rod 303 by one, the wall thickness is 10-12mm, and the length is matched with the length of the stair platform and the inclined ladder.
The handrail of the device consists of a plurality of handrail splicing pieces, and is matched with the splicing structure of the escalator main body, so that the handrail is more convenient and quicker to install.
EXAMPLE III
As a preferred embodiment of the present invention, the skirting board 5 is added to the present embodiment on the basis of the second embodiment, specifically:
referring to fig. 5, the stair platform structure 2 of this embodiment further includes a skirting board 5, two sides of the skirting board 5 are provided with vertically downward insertion rods 501, the upper periphery of the platform steel plate 201 is provided with sleeves adapted to the insertion rods 501, the skirting board 5 is socket-connected to the sleeves through the insertion rods 501, and a gap is reserved between the skirting board 5 and the vertical rods 303 at two sides.
The skirting board 5 is made of a steel plate with the thickness of 18-24mm and the height of 20cm, the inserted link 501 is made of a steel bar with the diameter of 12-16mm and the length of 10cm, and the length of the skirting board 5 is matched with the distance between the two sleeves on the platform steel plate 201.
The present invention is not limited to the above-described embodiments, and various changes can be made within the knowledge range of those skilled in the art without departing from the spirit of the present invention, and the changed contents still belong to the protection scope of the present invention.
Claims (6)
1. The utility model provides a fabricated pedestrian's escalator of encorbelmenting for deep basal pit which characterized in that: the stair bearing structure comprises a plurality of upper main beams, lower main beams, connecting rods and a supporting frame, wherein the upper main beams are arranged on the upper surface of the main structure, the lower main beams are arranged on the lower surface of the main structure, and one end of each upper main beam extends out of the main structure and is slightly longer than the lower main beams; the connecting rods are detachably arranged between the upper main beam and the lower main beam and are perpendicular to the upper main beam and the lower main beam; two ends of the support frame are detachably connected with the front end of the upper main beam and the front end of the lower main beam respectively, and detachable connecting pieces are arranged between the adjacent end parts of the upper main beam and between the adjacent end parts of the lower main beam;
the stair platform structure comprises a platform steel plate, and the platform steel plate is detachably mounted on the extending end of the upper main beam;
the main structure of the staircase comprises main inclined ladder beams and stair treads, wherein the two main inclined ladder beams are arranged between two adjacent landing structures side by side and are detachably connected with the two adjacent landing structures; a plurality of the stair treads are installed between two inclined ladder main beams in a linear array, and detachable handrail rails are arranged on the inclined ladder main beams and the platform steel plate.
2. The assembled overhanging pedestrian escalator for the deep foundation pit according to claim 1, characterized in that: the upper main beam and the lower main beam are double-spliced channel steel, and the inclined ladder main beam is channel steel.
3. The assembled overhanging pedestrian escalator for the deep foundation pit according to claim 1, characterized in that: the supporting frame is characterized in that stiffening plates are arranged at the joints of the upper main beam and the lower main beam with the supporting frame, lugs are arranged on the stiffening plates, ear seats matched with the lugs are arranged at the two ends of the supporting frame, and the supporting frame is connected with the stiffening plates through bolts in a matching mode of the ear seats and the lugs.
4. The assembled overhanging pedestrian escalator for the deep foundation pit according to claim 1, characterized in that: the periphery of the upper part of the platform steel plate and the upper part of the main beam of the inclined ladder are respectively provided with a plurality of sleeves for mounting handrail rails, each handrail rail comprises a vertical rod and a transverse rod, the vertical rods are connected with the sleeves in a socket joint mode, and the vertical rods are provided with a plurality of layers of holes for mounting the transverse rods; the cross rod passes through the open hole and is detachably connected with the vertical rod.
5. The assembled overhanging pedestrian escalator for the deep foundation pit according to claim 4, characterized in that: the stair platform structure further comprises a skirting board, wherein vertical downward inserting rods are arranged on two sides of the skirting board, sleeves matched with the inserting rods are arranged on the periphery of the upper portion of the platform steel plate, the skirting board is connected with the sleeves in a socket joint mode through the inserting rods, and intervals are reserved between the skirting board and the vertical rods on the two sides.
6. The assembled overhanging pedestrian escalator for the deep foundation pit according to claim 1, characterized in that: the upper main beam, the lower main beam and the support frame in the stair bearing structure are respectively provided with two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121367720.3U CN214996345U (en) | 2021-06-21 | 2021-06-21 | Assembled overhanging pedestrian escalator for deep foundation pit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121367720.3U CN214996345U (en) | 2021-06-21 | 2021-06-21 | Assembled overhanging pedestrian escalator for deep foundation pit |
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| CN214996345U true CN214996345U (en) | 2021-12-03 |
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| CN202121367720.3U Active CN214996345U (en) | 2021-06-21 | 2021-06-21 | Assembled overhanging pedestrian escalator for deep foundation pit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114922468A (en) * | 2022-05-27 | 2022-08-19 | 中国建筑一局(集团)有限公司 | Directional movable assembly type berm based on deep foundation pit multi-ring inner support |
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2021
- 2021-06-21 CN CN202121367720.3U patent/CN214996345U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114922468A (en) * | 2022-05-27 | 2022-08-19 | 中国建筑一局(集团)有限公司 | Directional movable assembly type berm based on deep foundation pit multi-ring inner support |
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Address after: 16 / F, Binhai building, 480 Jiangnan Avenue, Binjiang District, Hangzhou City, Zhejiang Province 310051 Patentee after: Hangzhou Sanyang Construction Group Co.,Ltd. Address before: 16 / F, Binhai building, 480 Jiangnan Avenue, Binjiang District, Hangzhou City, Zhejiang Province 310051 Patentee before: HANGZHOU SANYANG CONSTRUCTION ENGINEERING Co.,Ltd. |
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