CN212336033U - A prefabricated foundation ditch for installing elevator additional and template is pour thereof - Google Patents
A prefabricated foundation ditch for installing elevator additional and template is pour thereof Download PDFInfo
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- CN212336033U CN212336033U CN202020233418.8U CN202020233418U CN212336033U CN 212336033 U CN212336033 U CN 212336033U CN 202020233418 U CN202020233418 U CN 202020233418U CN 212336033 U CN212336033 U CN 212336033U
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Abstract
The application discloses a prefabricated foundation ditch and template of pouring for installing elevator additional, prefabricated foundation ditch adopts one-time pouring fashioned reinforced concrete structure, prefabricated foundation ditch includes: the raft plate is internally pre-embedded with lifting lugs and reserved steel bars which penetrate through the raft plate and extend out of the edge of the raft plate for being connected with the pile foundation; the four-side shear wall is connected with the raft plates and is adjacent to each other in pairs to form a foundation pit cavity; a door post support member pre-embedded in one of the shear walls; and the well supporting pieces are pre-buried at the connection parts of the shear walls. The application provides a prefabricated foundation ditch is applicable to and carries out the elevator and installs additional in existing building, owing to be applicable to and pile the elevator of guaranteeing the straightness that hangs down and install additional, through standardizing batch production in the mill, overcomes site operation's various uncertain factors, reduction construction period, reduction construction cost.
Description
Technical Field
The invention relates to the technical field of elevators, in particular to a prefabricated foundation pit for additionally installing an elevator and a pouring template thereof.
Background
With the gradual acceleration of the aging process of society, elevators are increasingly becoming essential arrangements of buildings. When the elevator is additionally installed in an old community, a reinforced concrete on-site pouring elevator foundation pit is usually adopted, after on-site excavation, reinforcing steel bars are bound and formed, then commercial concrete is poured, and through maintenance for a certain period, the elevator foundation pit reaches the strength required by design, the bearing of a building is realized, and the functions of earthquake resistance and settlement resistance are achieved.
The elevator foundation pit is manufactured on site, the construction period is long, the construction period at least comprises foundation pit excavation time, reinforcement binding time, concrete pouring time and concrete maintenance time, construction is influenced if rain or air temperature is too low, uncertain factors are increased, quality risks are large, and economic loss is large. And the elevator requires very high to the straightness that hangs down, and most places all need the pile just can guarantee holistic straightness requirement that hangs down.
SUMMERY OF THE UTILITY MODEL
Based on this, provide the elevator foundation ditch of accomplishing at the mill prefabrication, shorten the engineering time, satisfy the elevator and hang down straightness requirement.
The utility model provides a prefabricated foundation ditch for installing the elevator additional, prefabricated foundation ditch adopts one-time pouring fashioned reinforced concrete structure, prefabricated foundation ditch includes:
the raft plate is internally pre-embedded with lifting lugs and reserved steel bars which penetrate through the raft plate and extend out of the edge of the raft plate for being connected with the pile foundation;
the four-side shear wall is connected with the raft plates and is adjacent to each other in pairs to form a foundation pit cavity;
a door post support member pre-embedded in one of the shear walls;
and the well supporting pieces are pre-buried at the connection parts of the shear walls.
Several alternatives are provided below, but not as an additional limitation to the above general solution, but merely as a further addition or preference, each alternative being combinable individually for the above general solution or among several alternatives without technical or logical contradictions.
Optionally, the well support piece is four, and the junction correspondence of two shear force walls is equipped with a well support piece, gatepost support piece is two, and two gatepost support pieces are pre-buried in same shear force wall.
Optionally, each well support comprises:
the hoistway supporting plate is positioned on the top surface of the foundation pit;
first anchor bars and shear keys welded to the hoistway support plate and extending downwardly into the shear wall.
Optionally, each doorpost support comprises:
the door post supporting plate is positioned on the top surface of the foundation pit;
and the second anchor bar is welded with the doorpost supporting plate and extends downwards into the shear wall.
Optionally, the raft is the rectangle, the lug is four, and the distribution is located four angles of raft.
Optionally, the reserved steel bars penetrate through the raft plate along the horizontal direction, and the length of the reserved steel bars extending out of the edge of the raft plate is not less than 400 mm.
The application also provides a pouring template for manufacturing the prefabricated foundation pit for additionally installing the elevator, which comprises a bottom template for pouring the raft and a side template for pouring the shear wall;
the bottom form includes: four edge strips which are rectangular and detachably connected are enclosed, and reinforcing steel bar through holes corresponding to the positions of the two oppositely arranged edge strips are arranged;
the sideform includes: the shear wall comprises an inner-layer coaming and an outer-layer coaming which are parallel to each other, wherein a gap between the inner-layer coaming and the outer-layer coaming is a shear wall pouring area, reinforcing frames are respectively arranged on the inner side of the inner-layer coaming and the outer side of the outer-layer coaming, and each reinforcing frame comprises four reinforcing strips which are encircled into a rectangle and can be detachably connected.
Optionally, still be equipped with the regulating part of adjustment inlayer bounding wall and outer bounding wall interval, the regulating part includes:
the first force application part acts on the reinforcing frame outside the outer enclosing plate;
the second force application part acts on the reinforcing frame on the inner side of the inner layer coaming;
the adjusting rod is connected between the first force application member and the second force application member, and two ends of the adjusting rod are provided with threads;
and the adjusting nuts are connected to two ends of the adjusting rod and respectively apply acting force to the corresponding first force application part and the second force application part.
Optionally, each reinforcing strip of each reinforcing frame is provided with at least 3 adjusting pieces.
Optionally, the inside of the inner surrounding plate and the outside of the outer surrounding plate are both provided with reinforcing ribs extending in the vertical direction, and each side of each shear wall is provided with at least 3 reinforcing ribs.
The application provides a prefabricated foundation ditch is applicable to and carries out the elevator and installs additional in existing building, owing to be applicable to and pile the elevator of guaranteeing the straightness that hangs down and install additional, through standardizing batch production in the mill, overcomes site operation's various uncertain factors, reduction construction period, reduction construction cost.
Drawings
FIG. 1 is a schematic diagram of a prefabricated foundation pit for additionally installing an elevator according to the application;
FIG. 2a is a top view of the shaft support in the prefabricated foundation pit for installing an elevator according to the present application;
FIG. 2b is a side view of the shaft support in the prefabricated foundation pit for an additional elevator of the present application;
FIG. 3a is a top view of a door post support member in a prefabricated foundation pit for an add-on elevator according to the present application;
FIG. 3b is a side view of the door post support in the prefabricated pit for installing an elevator of the present application;
FIG. 4 is a schematic diagram of the application when a prefabricated foundation pit for additionally installing an elevator is used;
FIG. 5 is a top view of the prefabricated foundation pit for installing an elevator in use;
FIG. 6 is a schematic view of a pouring template of the prefabricated foundation pit for additionally installing the elevator in the application;
fig. 7a is a schematic view of an adjusting part in a pouring template for a prefabricated foundation pit for additionally installing an elevator;
fig. 7b is a perspective view of an adjusting member in a pouring template for a prefabricated foundation pit for additionally installing an elevator according to the present application;
FIG. 8a is a top view of a bottom formwork of a pouring formwork for adding a prefabricated foundation pit of an elevator in the application;
FIG. 8b is a schematic view of a bottom formwork in a pouring formwork for additionally installing a prefabricated foundation pit of an elevator according to the present application;
fig. 8c is a schematic view of one of the edge strips in the pouring template for the prefabricated foundation pit for the elevator added with the application;
fig. 8d is a schematic view of another edge strip in the pouring template for the prefabricated foundation pit for the elevator.
In the figure: 1. lifting lugs; 2. reserving a steel bar; 3. raft plate steel bars; 4. shear wall reinforcing steel bars; 5. a hoistway support; 51. a shear key; 52. a hoistway support plate; 53. a first anchor bar; 6. a doorpost support; 61. a doorpost support plate; 62. a second anchor bar; 7. a pile foundation; 8. a cushion layer; 9. an outer-layer coaming plate; 10. an inner layer coaming; 11. A reinforcing frame; 12. a bottom template; 13. reinforcing ribs; 14. an adjustment member; 141. adjusting a rod; 142. a first force application member; 143. a second force applying member; 144. adjusting the nut; 15. edging; 16. passing through a hole in the steel bar; 17. a sideform; 18. a shear wall; 19. a raft board.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
For a better description and illustration of embodiments of the application, reference may be made to one or more of the drawings, but additional details or examples for describing the drawings should not be construed as limiting the scope of any of the inventive concepts of the present application, the presently described embodiments, or the preferred versions.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
Referring to fig. 1, a prefabricated foundation pit for installing an elevator additionally adopts a reinforced concrete structure formed by one-time pouring, and comprises:
the device comprises a raft 19, wherein lifting lugs 1 and reserved steel bars 2 which penetrate through the raft 19 and extend out of the edge of the raft 19 for being connected with a pile foundation 7 are pre-embedded in the raft 19;
four-side shear walls 18 which are connected with the raft plates 19 and are adjacent to each other in pairs to form a foundation pit cavity;
the door post supporting piece 6 is pre-embedded in one shear wall 18;
and the hoistway supporting piece 5 is pre-buried at the joint of the shear walls 18.
The application provides a prefabricated foundation ditch is applicable to and carries out the elevator and installs additional in existing building, owing to be applicable to and pile the elevator of guaranteeing the straightness that hangs down and install additional, through standardizing batch production in the mill, overcomes site operation's various uncertain factors, reduction construction period, reduction construction cost.
The operation of adopting the pipelining in the mill, and the maintenance cycle of concrete does not receive weather effect, can guarantee the intensity of foundation ditch, and then guarantee anti-seismic performance. During site construction, the hoisting and installation of the foundation pit can be completed on the same excavation day, and the site construction efficiency is improved. Because concrete placement is accomplished in the mill, also can avoid commercial concrete truck to receive geographical position to limit, can not get into the problem of station.
Referring to fig. 4 and 5, during field construction, a pit body is excavated, a C15 concrete cushion 8 with the thickness of 100mm is manufactured in the pit body, and each side of the concrete cushion 8 is about 500mm wider than a prefabricated foundation pit raft 19, so that secondary pouring with the prefabricated foundation pit is facilitated.
The pile foundation 7 adopts a phi 150-6 steel pipe pile, after the pile foundation 7 is driven into the bottom surface of the pit body for the effective length, a 50mm protruded cushion layer 8 surface is reserved, as shown in figure 4, the reserved steel bar 2 in the prefabricated foundation pit is connected with the pile foundation 7 during construction, the construction is rapid, and after the reserved steel bar 2 is connected with the pile foundation 7, secondary pouring is carried out.
Referring to fig. 1, raft 19 and shear wall 18 are of an integrally cast reinforced concrete structure, raft reinforcing bars 3 are arranged in raft 19, shear wall reinforcing bars 4 are arranged in shear wall 18, so that for convenience of transportation, raft 19 and shear wall 18 are not too large in size, in one embodiment, raft 19 is 400mm thick, raft 19 is 3000mm long, raft 19 is 2400mm wide, and horizontal and vertical reinforcing bars of shear wall 18 are phi 12@150 double-layer bidirectional full cloth. When the raft 19 and the shear wall 18 are poured, the well supporting pieces 5 and the gate post supporting pieces 6 are simultaneously poured in the shear wall 18, and after the integral pouring is finished, the regular and quantitative watering maintenance is carried out in a factory to ensure the strength of concrete, and after the use requirement is met, the concrete is transported to the site by using a vehicle.
Referring to fig. 5, the number of the hoistway supporting members 5 is four, one hoistway supporting member 5 is correspondingly arranged at the connection position of the two shear walls 18, the number of the door post supporting members 6 is two, and the two door post supporting members 6 are embedded in the same shear wall 18.
Referring to fig. 2a, 2b, each well support 5 comprises:
a hoistway support plate 52 positioned at the top surface of the foundation pit;
first anchor bars 53 welded to the hoistway support plates 52 and extending down into the shear wall 18 and the shear key 51.
The first anchor bar 53 and the hoistway support plate 52 are subjected to through-hole plug welding, and the shear key 51 is welded to the hoistway support plate 52.
As shown in fig. 3a, 3b, each doorpost support 6 includes:
a gate post support plate 61 positioned on the top surface of the foundation pit;
a second anchor bar 62 welded to the gatepost support plate 61 and extending downwardly into the shear wall 18.
The second anchor bar 62 and the doorpost support plate 61 are subjected to plug welding.
Referring to fig. 5, the raft 19 is rectangular, and the lifting lugs 1 are four and distributed at four corners of the raft 19.
Lifting lug 1 is convenient for realize the hoist and mount of prefabricated foundation ditch, makes things convenient for going on of site operation, can visit the foundation ditch in preset position more accurately.
Referring to fig. 1, the pre-fabricated reinforcement 2 penetrates through the raft 19 in the horizontal direction, and the length of the pre-fabricated reinforcement 2 extending out of the edge of the raft 19 is not less than 400mm (i.e., L1 is not less than 400 mm).
Referring to fig. 6, the application also provides a pouring template for manufacturing the prefabricated foundation pit for installing the elevator, which comprises a bottom template 12 for pouring rafts 19 and side templates 17 for pouring shear walls 18;
the bottom mold plate 12 includes: four edge strips 15 which are rectangular and detachably connected are enclosed, and reinforcing steel bar through holes 16 corresponding to the positions of the two edge strips 15 which are oppositely arranged are arranged;
the sideform 17 includes: the inner coaming 10 and the outer coaming 9 that are parallel to each other, the interval of inner coaming 10 and outer coaming 9 pour the district for the shear force wall, and the inboard of inner coaming 10 and the outside of outer coaming 9 are equipped with reinforcing frame 11 respectively, and reinforcing frame 11 is including enclosing into four enhancement strips that the rectangle just can dismantle the connection.
Adopt the template of pouring that this application provided, can realize the standardized production of mill's batch, guarantee that the reinforcing bar is arranged evenly, concrete thickness is unanimous, and the quality can be stable, reduces the construction volume at scene for the construction progress improves the construction security.
Each part of the pouring template is convenient to disassemble, can be repeatedly utilized for many times, saves the using amount of steel and the template, meets the national requirements of energy conservation and environmental protection, can realize the simultaneous implementation of factory foundation pit manufacturing and on-site pipeline displacement, and greatly saves time and cost.
As shown in fig. 8a and 8b, the two opposite edge strips 15 on the bottom form 12 are provided with steel bar through holes 16 corresponding in position, so that the steel bars are arranged equidistantly after being inserted, and the arrangement uniformity of the steel bars is ensured.
As shown in fig. 8c and 8d, each edge strip 15 of the bottom template 12 is detachably connected, the connection position of the two edge strips 15 adopts a mortise-tenon joint structure, the dismounting is convenient, the positioning is accurate, the raft 19 is rectangular, and the error is reduced. The bottom template 12 may be one or a plurality of bottom templates arranged in the vertical direction to adapt to different thicknesses of the rafts 19.
Referring to fig. 6, an adjusting piece 14 for adjusting the distance between the inner coaming 10 and the outer coaming 9 is further provided, and the adjusting piece 14 comprises:
a first force application member 142 acting on the outer side reinforcing frame 11 of the outer shroud 9;
a second force application member 143 acting on the inner reinforcing frame 11 inside the inner shroud 10;
an adjusting rod 141 connected between the first force application member 142 and the second force application member 143 and having threads at both ends, each reinforcing bar of the reinforcing frame 11 being provided with a through hole for passing through the adjusting rod 141;
and an adjusting nut 144 connected to both ends of the adjusting rod 141 to apply an urging force to the first and second urging members 142 and 143, respectively.
Referring to fig. 7a and 7b, the first force applying member 142 and the second force applying member 143 have the same structure and substantially U-shaped structures, and the U-shaped openings are engaged with the reinforcing bars of the reinforcing frame 11 to realize positioning. In one embodiment, an isolation protrusion is disposed inside the U-shaped buckle, the isolation protrusion isolates an inner space of the U-shaped bayonet into two clamping areas, two reinforcing frames 11 are used in parallel, and each clamping area is clamped with a corresponding one of the reinforcing frames 11. The distance between the inner enclosing plate 10 and the outer enclosing plate 9 is adjusted through the adjusting piece 14, so that the thickness of each shear wall 18 is consistent. The distance between the inner shroud 10 and the outer shroud 9 is adjusted by adjusting the position of the adjusting nut 144 on the adjusting rod 141.
At least 3 adjusting pieces 14 are respectively arranged on each reinforcing strip of each reinforcing frame 11, and the inner-layer coamings 10 and the outer-layer coamings 9 are parallel through the mutual coordination of the adjusting pieces 14, so that the uniform thickness of each shear wall 18 is ensured, wherein in one embodiment, the thickness of each shear wall 18 is 250 mm.
Referring to fig. 6, the inner side of the inner shroud 10 and the outer side of the outer shroud 9 are provided with reinforcing ribs 13 extending in the vertical direction, and each side of each shear wall 18 is provided with at least 3 reinforcing ribs 13.
The reinforcing ribs 13 are fixedly connected with the inner surrounding plate 10 or the outer surrounding plate 9, the reinforcing ribs 13 and the reinforcing frame 11 directly act, the rigidity of the inner surrounding plate 10 and the outer surrounding plate 9 in the vertical direction is guaranteed through the reinforcing ribs 13, and the verticality of the surface of the poured shear wall 18 is guaranteed.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides a prefabricated foundation ditch for installing elevator additional, its characterized in that, prefabricated foundation ditch adopts one-time pouring fashioned reinforced concrete structure, prefabricated foundation ditch includes:
the raft plate is internally pre-embedded with lifting lugs and reserved steel bars which penetrate through the raft plate and extend out of the edge of the raft plate for being connected with the pile foundation;
the four-side shear wall is connected with the raft plates and is adjacent to each other in pairs to form a foundation pit cavity;
a door post support member pre-embedded in one of the shear walls;
and the well supporting pieces are pre-buried at the connection parts of the shear walls.
2. The prefabricated foundation pit for installing an elevator additionally as claimed in claim 1, wherein the number of the hoistway supporting members is four, one hoistway supporting member is correspondingly arranged at the joint of the two shear walls, the number of the door post supporting members is two, and the two door post supporting members are embedded in the same shear wall.
3. The prefabricated foundation pit for installing an elevator as claimed in claim 2, wherein each of the shaft supports comprises:
the hoistway supporting plate is positioned on the top surface of the foundation pit;
first anchor bars and shear keys welded to the hoistway support plate and extending downwardly into the shear wall.
4. The prefabricated foundation pit for retrofitting an elevator as set forth in claim 2, wherein each of the doorpost supports comprises:
the door post supporting plate is positioned on the top surface of the foundation pit;
and the second anchor bar is welded with the doorpost supporting plate and extends downwards into the shear wall.
5. The prefabricated foundation pit for installing an elevator as claimed in claim 1, wherein the rafts are rectangular, the lifting lugs are four, and the lifting lugs are distributed at four corners of the rafts.
6. The prefabricated foundation pit for installing an elevator additionally according to claim 1, wherein the reserved steel bars penetrate through the raft in the horizontal direction, and the length of the reserved steel bars extending out of the edge of the raft is not less than 400 mm.
7. A pouring template for manufacturing a prefabricated foundation pit for an elevator to be additionally installed according to any one of claims 1-6, comprising a bottom template for pouring the rafts and side templates for pouring the shear walls, and is characterized in that:
the bottom form includes: four edge strips which are rectangular and detachably connected are enclosed, and reinforcing steel bar through holes corresponding to the positions of the two oppositely arranged edge strips are arranged;
the sideform includes: the shear wall comprises an inner-layer coaming and an outer-layer coaming which are parallel to each other, wherein a gap between the inner-layer coaming and the outer-layer coaming is a shear wall pouring area, reinforcing frames are respectively arranged on the inner side of the inner-layer coaming and the outer side of the outer-layer coaming, and each reinforcing frame comprises four reinforcing strips which are encircled into a rectangle and can be detachably connected.
8. The pouring template for manufacturing the precast foundation pit for the additional installation of the elevator as claimed in claim 7, wherein an adjusting member for adjusting the distance between the inner-layer enclosing plate and the outer-layer enclosing plate is further provided, and the adjusting member comprises:
the first force application part acts on the reinforcing frame outside the outer enclosing plate;
the second force application part acts on the reinforcing frame on the inner side of the inner layer coaming;
the adjusting rod is connected between the first force application member and the second force application member, and two ends of the adjusting rod are provided with threads;
and the adjusting nuts are connected to two ends of the adjusting rod and respectively apply acting force to the corresponding first force application part and the second force application part.
9. The pouring template for manufacturing the precast foundation pit for the additional installation of the elevator as claimed in claim 8, wherein at least 3 of the adjusting members are respectively provided on each reinforcing bar of each reinforcing frame.
10. The pouring template for manufacturing the precast foundation pit for the additional installation of the elevator as claimed in claim 7, wherein the inner side of the inner surrounding plate and the outer side of the outer surrounding plate are provided with reinforcing ribs extending in the vertical direction, and each side of each shear wall is provided with at least 3 reinforcing ribs.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020233418.8U CN212336033U (en) | 2020-02-29 | 2020-02-29 | A prefabricated foundation ditch for installing elevator additional and template is pour thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020233418.8U CN212336033U (en) | 2020-02-29 | 2020-02-29 | A prefabricated foundation ditch for installing elevator additional and template is pour thereof |
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| CN212336033U true CN212336033U (en) | 2021-01-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113373936A (en) * | 2021-06-10 | 2021-09-10 | 浙江鹏盛建设集团有限公司 | Assembly type structure and construction method thereof |
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2020
- 2020-02-29 CN CN202020233418.8U patent/CN212336033U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113373936A (en) * | 2021-06-10 | 2021-09-10 | 浙江鹏盛建设集团有限公司 | Assembly type structure and construction method thereof |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210513 Address after: Room 305-w, 3rd floor, No.11 Lane 1888, Caoyang Road, Putuo District, Shanghai 200333 Patentee after: Xin Xi'ao Elevator Group Co.,Ltd. Address before: No. 62, Airport Road, Jianggan District, Hangzhou City, Zhejiang Province, 310021 Patentee before: ZHEJIANG XIZI HEAVY INDUSTRY STEEL STRUCTURE Co.,Ltd. |
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| TR01 | Transfer of patent right |