CN114059770A - Construction method for underpinning of constructor goods elevator foundation - Google Patents
Construction method for underpinning of constructor goods elevator foundation Download PDFInfo
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- CN114059770A CN114059770A CN202111025694.0A CN202111025694A CN114059770A CN 114059770 A CN114059770 A CN 114059770A CN 202111025694 A CN202111025694 A CN 202111025694A CN 114059770 A CN114059770 A CN 114059770A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D37/00—Repair of damaged foundations or foundation structures
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G25/00—Shores or struts; Chocks
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G27/00—Temporary arrangements for giving access from one level to another for men or vehicles, e.g. steps, ramps
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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Abstract
The invention discloses a construction method for underpinning a constructor goods elevator foundation, which comprises the following steps: s1, reserving holes in a vertical member of a building; s2, mounting a supporting device; s3, mounting a vertical frame body; s4, mounting a underpinning device on the vertical frame body above the supporting device; s5, when the transverse structure in the vertical component has construction conditions, carrying out foundation underpinning construction on the human goods elevator; and S6, filling up the transverse structures between the vertical components below the supporting device. According to the construction method, the vertical load of the vertical frame body of the people and goods elevator is changed from the traditional bottom foundation support into the support and underpinning through the support device and the underpinning device, the construction space of the transverse structure is gradually released along with the advance of construction, the construction of the transverse structure is advanced, and the construction efficiency is improved. And, set up jacking device on the underpinning device, be convenient for make installation and the dismantlement between vertical support body and the strutting arrangement, improved efficiency of construction and security.
Description
Technical Field
The invention relates to a construction method for underpinning a constructor goods elevator foundation, belonging to the technical field of building construction.
Background
Often need carry out perpendicular transportation through people's goods lift in the construction, people's goods lift possesses manned and year thing transportation function simultaneously. Traditional constructor goods lift arranges fixed foundation base in the bottom, and standard festival is fixed in on the foundation base and adds the festival through standard festival and realizes that people's goods lift reachs the construction operation surface course. Meanwhile, a car auxiliary mode is basically adopted for the removal of the passenger and cargo elevator, an operator is positioned at the top of the car and controls the car to descend layer by layer at the maintenance speed, and standard knots are removed from top to bottom through a winch at the top of the passenger and cargo elevator after removing standard knots and wall-attached connecting bolts in the descending process. The people goods lift is one of the key deployment machines of super high-rise building construction, but has the following disadvantages in the current stage:
(1) the arrangement of the goods ladder of the constructor occupies a floor area of an inner barrel of the core barrel, and the filling of a horizontal component is needed, for example, the filling of a frame beam of a floor slab is needed, however, because the standard section of the goods ladder of the constructor is supported on a base at the bottom, only a top-down dismantling scheme can be adopted, the filling can be carried out after the construction of the core barrel is completed, and the construction period is long;
(2) the base of the constructor goods elevator generally uses a concrete plate to additionally provide a bottom support, occupies a large area, is difficult to remove and has no recycling value, and in addition, the bottom reinforcing support also has the problem of complex construction.
Disclosure of Invention
The invention provides a construction people goods elevator foundation underpinning device and a construction method thereof, aiming at the problems existing in the prior people goods elevator that the existing people goods elevator is directly supported on a fixed foundation base.
In order to solve the technical problems, the invention comprises the following technical scheme:
a construction method for underpinning a constructor goods elevator foundation comprises the following steps:
s1, reserving holes in a vertical member of a building;
s2, mounting a supporting device; the supporting device is of a truss structure, supporting brackets are arranged at two ends of the supporting device, and the supporting brackets are supported in holes of the vertical members of the building; the supporting device is provided with a first vertical hole for mounting the vertical frame body; the supporting device further comprises a first power device and a hoisting device;
s3, mounting a vertical frame body; the vertical frame body comprises a plurality of frame body standard sections, and the frame body standard section at the bottom extends into the first vertical hole of the supporting device and is detachably and fixedly connected with the supporting device; the vertical frame body is provided with a guide rail; the guide rail is matched with the first power device;
s4, mounting a underpinning device on the vertical frame body above the supporting device; the underpinning device is of a truss structure, underpinning brackets are arranged at two ends of the underpinning device, and the underpinning brackets are supported in holes of a vertical member of the building; the underpinning device is provided with a second vertical hole for the vertical frame body to pass through; the underpinning device also comprises a power device II, and the underpinning device is matched with the guide rail;
s5, when the transverse structure in the vertical component has construction conditions, foundation underpinning construction is carried out on the human goods elevator, and the method specifically comprises the following steps:
A. controlling the underpinning device to ascend to a specified height by using a power device II, extending the underpinning bracket into the hole of the vertical member, and fixedly connecting the underpinning device with the vertical frame body;
B. separating the vertical frame body from the supporting device, controlling the underpinning device to climb upwards to a specified height by utilizing a power device I, extending the supporting bracket into the hole of the vertical member, and fixedly connecting the supporting device with the vertical frame body;
C. the standard section of the vertical frame body below the supporting device is dismantled and is hoisted to the bottom construction surface by utilizing the hoisting device;
and S6, filling up the transverse structures between the vertical components below the supporting device.
Furthermore, the underpinning device also comprises a jacking device, the jacking device comprises a jacking oil cylinder, a jacking cross beam and a bracket lock tongue, the bracket lock tongue is arranged at two ends of the jacking cross beam, the bottom of the jacking oil cylinder is fixed on the underpinning device, the telescopic end at the top of the jacking oil cylinder is fixed at the bottom of the jacking cross beam, a plurality of vertically spaced clamping holes are arranged at positions on the vertical frame body corresponding to the bracket lock tongue, and the clamping holes are matched with the bracket lock tongue;
in step a of step S5, the underpinning device is fixedly connected to the vertical frame body, specifically, the bracket lock tongue is inserted into the clamping hole on the vertical frame body;
in step B of step S5, before separating the vertical shelf from the supporting device, the method further includes the steps of: and jacking by using the jacking oil cylinder to ensure that the vertical load of the vertical frame body is borne by the underpinning device.
Furthermore, telescopic rollers are arranged at two ends of the jacking cross beam and are supported on the vertical frame body in a jacking mode and can roll up and down along the vertical frame body;
the telescopic roller comprises a connecting base, two roller brackets and a roller; the top of the connecting base is fixed at the bottom of the jacking cross beam, and the roller wheel bracket is fixed at the side part of the connecting base; the roller bracket is provided with a strip-shaped slotted hole along the length direction; the roller comprises a roller shaft, and two ends of the roller shaft are respectively arranged in the elongated slotted holes on the roller supports on two sides; the roller shaft is also connected with an elastic device, one end of the elastic device is sleeved with the roller shaft, and the other end of the elastic device is fixed on the connecting base or the roller bracket; under the pushing action of the elastic device, the roller shaft slides along the elongated slot hole, so that the roller is supported on the underpinning device.
Furthermore, a wall attaching device is arranged between the vertical frame body and the vertical component, and a movable steel beam I is arranged on one side of the wall attaching device of the supporting device; the underpinning device is provided with a movable steel beam II at one side of the wall attaching device;
in the climbing process of the supporting device, the first movable steel beam is dismantled in advance, and when the supporting device supports the vertical frame body, the first movable steel beam is installed in advance;
and in the climbing process of the underpinning device, the second movable steel beam is removed in advance, and when the underpinning device supports the vertical frame body, the second movable steel beam is installed in advance.
Furthermore, a detachable placing steel beam is arranged at the position, located in the first vertical hole, on the supporting device, and a frame body standard knot at the bottommost part of the vertical frame body is supported on the placing steel beam and fixed through a bolt;
in step B of step S5, the vertical frames are separated from the supporting devices, specifically, the bolts between the resting steel beams and the vertical frames are removed, and then the resting steel beams are removed.
In step S5, the supporting device is fixedly connected to the vertical frame, specifically, a placing steel beam is mounted at a position of the supporting device located in the first vertical hole, and then the bottom of the vertical frame is supported on the placing steel beam and fixed by bolts.
Further, after step S5 and before step S6, the method further includes: and a hanging net is arranged at the bottom of the supporting device.
Furthermore, corner reinforcements are arranged in the building vertical members at the bottoms of the holes.
Further, be provided with the hole mould embryo in the hole of vertical component, the hole mould embryo has the steel sheet frame of cavity in, and steel sheet frame open end is provided with the turn-ups, and when the steel sheet frame was installed in the hole, the turn-ups covered the hole.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages and positive effects: according to the invention, the vertical load of the vertical frame body of the goods elevator is changed from the traditional bottom foundation support into the support and underpinning construction through the support device and the underpinning device, the support device and the underpinning device can alternately climb along the vertical frame body, and the standard section of the frame body below the support device can be rapidly dismantled by the vertical frame body under the support of the underpinning device, so that the construction space of the transverse structure is gradually released along with the advance of the construction, the construction of the transverse structure is advanced, thereby solving the problem of the dragging of the construction period caused by the later-stage completion of the transverse structure due to the vertical frame body of the goods elevator, and improving the construction efficiency. In addition, the jacking device is arranged on the underpinning device, so that the vertical load of the vertical support body born by the supporting device is converted into the load born by the underpinning device, the vertical support body and the supporting device can be conveniently mounted and dismounted, and the construction efficiency and the safety are improved.
Drawings
FIG. 1 is a schematic view of a vertical member pre-drilled hole according to the present invention;
FIG. 2 is a schematic view of a corner reinforcement of the present invention;
FIG. 3 is a schematic structural view in elevation of the corner reinforcement of the present invention;
FIG. 4 is a schematic view of the support assembly of the present invention;
FIG. 5 is a cross-sectional view of the support device of the present invention;
FIG. 6 is a schematic view illustrating the installation of the vertical frame body according to the present invention;
FIG. 7 is a schematic view of the support device of the present invention;
FIG. 8 is a cross-sectional view taken along line A-A of FIG. 7;
FIG. 9 is a cross-sectional view taken along line B-B of FIG. 7;
FIG. 10 is a schematic view of the installation of the underpinning device of the present invention;
FIG. 11 is a schematic view of the underpinning device of the present invention;
FIG. 12 is a cross-sectional view taken along line C-C of FIG. 11;
FIG. 13 is a cross-sectional view taken along line D-D of FIG. 11;
FIG. 14 is a schematic structural view of a jacking device in the present invention;
FIG. 15 is a schematic view of the ascent of the underpinning apparatus of the present invention;
FIG. 16 is a schematic view of the climbing of the support device of the present invention;
FIG. 17 is a schematic view of the vertical frame of the present invention taken along the lower side of the supporting device;
fig. 18 is a schematic view of the construction of the lateral structure in the present invention.
The numbers in the figures are as follows:
1-a vertical member; 2-holes; 3-corner reinforcements; 4-hole mould blank; 5-steel plate outer frame; 6-flanging, 7-internal bracing of the mould blank; 8-a transverse structure;
10-a support device; 11-support bracket; 12-a first power plant; 13-hoisting device; 14-a movable steel beam I; 15-laying the steel beam;
20-underpinning the device; 21-underpinning corbels; 22-a second power plant; 23-a jacking device; 231-a jacking oil cylinder; 232-jacking the cross beam; 233-bracket bolt; 234-telescopic rollers; 24-a second movable steel beam; 25-clamping hole; 30-vertical frame body; 31-guide rail.
Detailed Description
The construction method for underpinning the constructor goods elevator foundation provided by the invention is further described in detail with reference to the attached drawings and specific embodiments. The advantages and features of the present invention will become more apparent in conjunction with the following description. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
In the construction, the people and goods elevator comprises a vertical frame body and a lift car, and the invention mainly innovates the supporting mode of the vertical frame body, so the lift car is not described, and obviously, the lift car moves up and down on the vertical frame body, thereby people and goods are transported.
It should be noted that, in the high-rise and super high-rise construction, the core tube is constructed first, and the vertical member is constructed first during the construction of the core tube; after the vertical component of the core barrel is constructed to a certain height, the outer frame starts to be constructed, and the construction of the transverse structure of the core barrel needs to be constructed together with the horizontal structure of the outer frame. Consequently, will set up inside people's goods lift during core section of thick bamboo vertical construction, need set up outside people's goods lift in the outer frame work progress. Because the traditional internal manned goods elevator depends on the bearing of the lower part foundation, the transverse structure at the internal manned goods elevator cannot be synchronously constructed with the horizontal structure of the outer frame, and the construction period is seriously influenced because the transverse structure needs to be completed after the construction of the core barrel is finished. When people or goods need to be transported by the internal people and goods elevator, the people and goods need to be transported to the top of the outer frame by the external people and goods elevator, and then the people and goods need to be transported upwards by the internal people and goods elevator.
The embodiment provides a construction method for underpinning a constructor goods elevator foundation, which specifically comprises the following steps:
step one, reserving holes in the vertical members of the building. As shown in fig. 1, a hole 2 is reserved in advance when a building vertical member 1 is constructed. The holes 2 are used to provide support force for the support bracket and the underpinning bracket.
In a preferred embodiment, as shown in fig. 2 and 3, a corner reinforcing member 3 is arranged in the building vertical member 1 at the bottom of the hole 2, for example, a pi-shaped reinforcing steel bar, and the axis of the pi-shaped reinforcing steel bar is inclined at 40-50 °. Further, be provided with hole mould embryo 4 in the hole 2, hole mould embryo 4 has the steel sheet frame 5 of the interior cavity, and the size and the 2 size phase-matchs in hole of steel sheet frame 5, and 5 open ends of steel sheet frame are provided with turn-ups 6, and when steel sheet frame 5 was installed in hole 2, turn-ups 6 covered hole 2, and the interior cavity of hole mould embryo 4 can also improve the security of hole mould embryo 4 through setting up mould embryo internal stay 7. Certainly, the hole mold blank 4 can be fixed when the vertical member 1 is erected, then is poured into concrete of the vertical member 1, and when the corner reinforcing piece adopts the pi-shaped reinforcing steel bar, one vertex angle of the pi-shaped reinforcing steel bar is welded and fixed with the bottom of the steel plate outer frame.
Step two, mounting a supporting device; as shown in fig. 4 and 5, the supporting device 10 is a truss structure, two rows of upper and lower supporting brackets 11 are arranged at both ends of the supporting device 10, and the supporting brackets 11 are supported in the holes 2 of the building vertical member 1; the supporting device 10 is provided with a first vertical hole for mounting a vertical frame body; the supporting device 10 further comprises a first power device 12 and a hoisting device 13.
Step three, mounting a vertical frame body; as shown in fig. 6 to 9, the vertical frame 30 includes a plurality of frame standard joints, and the frame standard joint at the bottom extends into the first vertical hole of the supporting device 10 and is detachably and fixedly connected to the supporting device 10; the vertical frame body 30 is provided with a guide rail 31; the guide rail is matched with the first power device 12. In addition, fig. 6 to 9 also show a specific structure of the supporting device 10.
In a preferred embodiment, as shown in fig. 4 to 9, a detachable resting steel beam 15 is provided at the bottom of the first vertical hole, and the bottom frame standard knot of the vertical frame 30 is supported on the resting steel beam 15 and fixed by bolts.
Fourthly, mounting a underpinning device on the vertical frame body above the supporting device; referring to fig. 10 to 13, the underpinning device 20 is a truss structure, two rows of underpinning brackets 21 are arranged at two ends of the underpinning device 20, and the underpinning brackets 21 are supported in the holes 2 of the vertical member 1 of the building; the underpinning device 20 is provided with a second vertical hole for the vertical frame body 30 to pass through; the underpinning device 20 further comprises a second power device 22, and the underpinning device 20 is matched with the guide rail.
Step five, when the transverse structure in the vertical member has construction conditions, carrying out foundation underpinning construction on the human goods elevator, and specifically comprising the following steps:
A. as shown in fig. 15, the second power device 22 is used for controlling the underpinning device 20 to ascend to a specified height, the specified height is matched with the distance between the upper and lower adjacent holes for bearing the underpinning bracket, the underpinning bracket 21 extends into the hole 2 of the vertical member 1, and the underpinning device 20 is fixedly connected with the vertical frame body 30;
B. as shown in fig. 16, the vertical frame body 30 is separated from the supporting device 10, the first power device 12 is used to control the underpinning device 20 to ascend to a specified height, the supporting bracket 11 is inserted into the hole 2 of the vertical member 1, and the supporting device 10 is fixedly connected with the vertical frame body 30;
C. as shown in fig. 17, the standard section of the vertical frame 30 below the supporting device 10 is removed and is hoisted to the bottom construction surface by the hoisting device 13.
Sixthly, as shown in fig. 18, the transverse structures 8 between the vertical components 1 and below the supporting device 10 are filled. Preferably, before the sixth step, the method further comprises: and arranging a hanging net at the bottom of the supporting device 10, additionally arranging a soft isolation, and starting the formwork setting and concrete pouring work of the transverse structure 8 on the basis.
The preferred embodiment does, combine fig. 11 to 14 to show, underpinning device 20 still includes jacking device 23, jacking device 23 includes jacking cylinder 231, jacking crossbeam 232, bracket spring bolt 233, and bracket spring bolt 233 sets up in the both ends of jacking crossbeam 232, and jacking cylinder 231 bottom is fixed on underpinning device 20, and the flexible end in jacking crossbeam 232's bottom is fixed to jacking cylinder 231 top, corresponds position department with the bracket spring bolt on vertical support body 30 and is provided with a plurality of card holes 25 of upper and lower interval, card hole 25 with bracket spring bolt 233 phase-match. The jacking device 23 is arranged to lift the vertical frame 30 by a short distance, so that the vertical load of the vertical frame 30 borne by the supporting device 10 is converted into a load borne by the underpinning device 20, and the vertical frame 30 and the supporting device 10 can be conveniently detached, for example, when the vertical frame is connected with the supporting device 10 through bolts, the subsequent bolts can be conveniently detached. In a more preferable embodiment, telescopic rollers 234 are further disposed at both ends of the jacking cross beam 23, and the telescopic rollers 234 are supported on the vertical frame body 30 and can roll up and down along the vertical frame body 30. For example, the retractable roller 234 includes a connection base, two roller supports, and a roller, the top of the connection base is fixed at the bottom of the jacking beam, the roller supports are fixed at the side of the connection base, the roller supports are provided with elongated slots along the length direction, the roller includes a shaft rod, two ends of the shaft rod of the roller are respectively installed in the elongated slots on the roller supports at two sides, the roller shaft is further connected with an elastic device, one end of the elastic device is sleeved with the roller shaft, the other end of the elastic device is fixed on the connection base or the roller supports, and under the jacking action of the elastic device, the roller shaft slides along the elongated slots, so that the roller is jacked on the vertical rod of the underpinning device 20, thereby ensuring that the jacking process is performed smoothly.
When the underpinning device 20 is provided with the jacking device 23, in the step A of the fifth step, the underpinning device 20 is fixedly connected with the vertical frame body 30, specifically, a bracket lock tongue is inserted into the clamping hole 25 on the vertical frame body 30; in step B of step five, before separating the vertical frame 30 from the supporting device 10, the method further comprises the steps of: the jacking cylinder is used for jacking, so that the vertical load of the vertical frame body 30 is borne by the underpinning device 20.
It should be noted that, generally, a wall attachment device (not shown) is disposed between the vertical frame body 30 and the vertical member 1, the vertical frame body 30 is connected to the vertical member 1 on one side through the wall attachment device, and the wall attachment device will prevent the support device 10 and the underpinning device 20 from climbing. In a preferred embodiment, the supporting device 10 is provided with a movable steel beam I14 at one side of the wall-attached device; the underpinning device 20 is provided with a second movable steel beam 24 at one side of the wall attaching device. Specifically, the first movable steel beam 14 is adopted as the cross beam of the first vertical hole of the supporting device 10 on one side of the wall attachment device, and the second movable steel beam 24 is adopted as the cross beam of the second vertical hole of the underpinning device 20 on one side of the wall attachment device. Further, in the climbing process of the supporting device 10, the first movable steel beam 14 is firstly removed, and when the supporting device 10 supports the vertical frame body 30, the first movable steel beam 14 is firstly installed; and in the climbing process of the underpinning device 20, the second movable steel beam 24 is firstly removed, and the second movable steel beam 24 is firstly installed when the underpinning device 20 supports the vertical frame body 30.
When the detachable resting steel beam 15 is disposed on the supporting device 10 at the first vertical hole, in step S5, the preferred embodiment is to separate the vertical frame 30 from the supporting device 10, specifically, remove the bolts between the resting steel beam 15 and the vertical frame 30, and then remove the resting steel beam 15. In step B of step S5, the supporting device 10 is fixedly connected to the vertical frame 30, specifically, a resting steel beam 15 is installed on the supporting device 10 at the position of the first vertical hole, and then the bottom of the vertical frame 30 is supported on the resting steel beam 15 and is fixed by bolts. When the jacking device is arranged, the vertical load of the vertical support body is borne by the supporting and changing device before the bolts between the steel beam 15 and the vertical support body 30 are installed and removed, and the phenomenon that the bolts cannot be inserted or blocked and cannot be pulled out is prevented.
It should be noted that the supporting bracket 11, the underpinning bracket 21 and the jacking device 23 are all controlled by a hydraulic control system, and the operation principle and the specific structure of the hydraulic control system can be realized by adopting the existing technology, which is not described again.
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 invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. A construction method for underpinning a constructor goods elevator foundation is characterized by comprising the following steps:
s1, reserving holes in a vertical member of a building;
s2, mounting a supporting device; the supporting device is of a truss structure, supporting brackets are arranged at two ends of the supporting device, and the supporting brackets are supported in holes of the vertical members of the building; the supporting device is provided with a first vertical hole for mounting the vertical frame body; the supporting device further comprises a first power device and a hoisting device;
s3, mounting a vertical frame body; the vertical frame body comprises a plurality of frame body standard sections, and the frame body standard section at the bottom extends into the first vertical hole of the supporting device and is detachably and fixedly connected with the supporting device; the vertical frame body is provided with a guide rail; the guide rail is matched with the first power device;
s4, mounting a underpinning device on the vertical frame body above the supporting device; the underpinning device is of a truss structure, underpinning brackets are arranged at two ends of the underpinning device, and the underpinning brackets are supported in holes of a vertical member of the building; the underpinning device is provided with a second vertical hole for the vertical frame body to pass through; the underpinning device also comprises a power device II, and the underpinning device is matched with the guide rail;
s5, when the transverse structure in the vertical component has construction conditions, foundation underpinning construction is carried out on the human goods elevator, and the method specifically comprises the following steps:
A. controlling the underpinning device to ascend to a specified height by using a power device II, extending the underpinning bracket into the hole of the vertical member, and fixedly connecting the underpinning device with the vertical frame body;
B. separating the vertical frame body from the supporting device, controlling the underpinning device to climb upwards to a specified height by utilizing a power device I, extending the supporting bracket into the hole of the vertical member, and fixedly connecting the supporting device with the vertical frame body;
C. the standard section of the vertical frame body below the supporting device is dismantled and is hoisted to the bottom construction surface by utilizing the hoisting device;
and S6, filling up the transverse structures between the vertical components below the supporting device.
2. The method of underpinning a constructor's cargo lift foundation as claimed in claim 1,
the underpinning device also comprises a jacking device, the jacking device comprises a jacking oil cylinder, a jacking cross beam and bracket lock tongues, the bracket lock tongues are arranged at two ends of the jacking cross beam, the bottom of the jacking oil cylinder is fixed on the underpinning device, the telescopic end of the top of the jacking oil cylinder is fixed at the bottom of the jacking cross beam, a plurality of vertically spaced clamping holes are arranged at the position, corresponding to the bracket lock tongues, on the vertical frame body, and the clamping holes are matched with the bracket lock tongues;
in step a of step S5, the underpinning device is fixedly connected to the vertical frame body, specifically, the bracket lock tongue is inserted into the clamping hole on the vertical frame body;
in step B of step S5, before separating the vertical shelf from the supporting device, the method further includes the steps of: and jacking by using the jacking oil cylinder to ensure that the vertical load of the vertical frame body is borne by the underpinning device.
3. The method of underpinning a constructor's cargo lift foundation as claimed in claim 2,
telescopic rollers are further arranged at two ends of the jacking cross beam, are propped on the vertical frame body and can roll up and down along the vertical frame body;
the telescopic roller comprises a connecting base, two roller brackets and a roller; the top of the connecting base is fixed at the bottom of the jacking cross beam, and the roller wheel bracket is fixed at the side part of the connecting base; the roller bracket is provided with a strip-shaped slotted hole along the length direction; the roller comprises a roller shaft, and two ends of the roller shaft are respectively arranged in the elongated slotted holes on the roller supports on two sides; the roller shaft is also connected with an elastic device, one end of the elastic device is sleeved with the roller shaft, and the other end of the elastic device is fixed on the connecting base or the roller bracket; under the pushing action of the elastic device, the roller shaft slides along the elongated slot hole, so that the roller is supported on the underpinning device.
4. The method of underpinning a constructor's cargo lift foundation as claimed in claim 1,
a wall attaching device is arranged between the vertical frame body and the vertical component, and a movable steel beam I is arranged on one side of the wall attaching device of the supporting device; the underpinning device is provided with a movable steel beam II at one side of the wall attaching device;
in the climbing process of the supporting device, the first movable steel beam is dismantled in advance, and when the supporting device supports the vertical frame body, the first movable steel beam is installed in advance;
and in the climbing process of the underpinning device, the second movable steel beam is removed in advance, and when the underpinning device supports the vertical frame body, the second movable steel beam is installed in advance.
5. The method of underpinning a constructor's cargo lift foundation as claimed in claim 1,
a detachable placing steel beam is arranged at the position, located in the first vertical hole, on the supporting device, and a frame body standard knot at the bottommost part of the vertical frame body is supported on the placing steel beam and fixed through a bolt;
in step B of step S5, the vertical frames are separated from the supporting devices, specifically, the bolts between the resting steel beams and the vertical frames are removed, and then the resting steel beams are removed.
In step S5, the supporting device is fixedly connected to the vertical frame, specifically, a placing steel beam is mounted at a position of the supporting device located in the first vertical hole, and then the bottom of the vertical frame is supported on the placing steel beam and fixed by bolts.
6. The method of underpinning a constructor cargo lift foundation as claimed in claim 1, further comprising after step S5 and before step S6: and a hanging net is arranged at the bottom of the supporting device.
7. A method of underpinning a constructor's ladder base as claimed in claim 1, wherein corner reinforcements are provided in the building's vertical members at the bottom of the opening.
8. The method of underpinning a constructor's cargo lift foundation as claimed in claim 1,
the hole die blank is arranged in the hole of the vertical member and provided with a steel plate outer frame with an inner cavity, a flanging is arranged at the opening end of the steel plate outer frame, and the flanging covers the hole when the steel plate outer frame is installed in the hole.
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