CN114562121B - Process for reinforcing inner support frame of ancient building - Google Patents
Process for reinforcing inner support frame of ancient building Download PDFInfo
- Publication number
- CN114562121B CN114562121B CN202210254435.3A CN202210254435A CN114562121B CN 114562121 B CN114562121 B CN 114562121B CN 202210254435 A CN202210254435 A CN 202210254435A CN 114562121 B CN114562121 B CN 114562121B
- Authority
- CN
- China
- Prior art keywords
- frame
- lifting mechanism
- roof
- primary
- ancient building
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000008569 process Effects 0.000 title claims abstract description 20
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 17
- 239000002023 wood Substances 0.000 claims abstract description 29
- 238000010276 construction Methods 0.000 claims abstract description 23
- 239000000758 substrate Substances 0.000 claims abstract description 19
- 230000002787 reinforcement Effects 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000010030 laminating Methods 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims description 65
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 18
- 229910052782 aluminium Inorganic materials 0.000 claims description 18
- 230000009471 action Effects 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 claims description 3
- 238000013507 mapping Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 230000007774 longterm Effects 0.000 abstract description 4
- 230000008439 repair process Effects 0.000 description 10
- 230000006872 improvement Effects 0.000 description 9
- 230000006378 damage Effects 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000009418 renovation Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- 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
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
-
- 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
- E04G23/00—Working measures on existing buildings
- E04G23/04—Propping of endangered or damaged buildings or building parts, e.g. with respect to air-raid action
-
- 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
- E04G23/00—Working measures on existing buildings
- E04G23/06—Separating, lifting, removing of buildings; Making a new sub-structure
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention discloses a process for reinforcing an inner support frame of an ancient building, which belongs to the technical field of reinforcement of the ancient building and comprises the following steps: construction survey and drawing, jacking device lifting roof, remove center pillar, build interior braced frame, horizontal reinforcement, laminating substrate board and decorative board of moving the post device and remove jacking device. The frame structure is built by the cross beams and the two struts, so that the stability of the frame structure is improved while the indoor space planning of the ancient building is optimized, and potential safety hazards such as fracture loosening and the like caused by long-term decay of the original wood columns are prevented; and secondly, transferring the pressure of the original wood columns to the cross beams, and distributing the pressure to the two side struts and the wood columns through the cross beams, so that the structure is suitable for a large-span inner support frame structure. The special column moving device is arranged to remove and replace the decomposed column, so that the construction efficiency is high; the roof of the jacking device is arranged for temporary support, so that the safety and reliability of the construction process are ensured; finally, the outer surfaces of the cross beam and the support column are additionally provided with the base material plate and the decorative panel, so that the whole ancient building is coordinated and unified.
Description
Technical Field
The invention belongs to the technical field of reinforcement of ancient buildings, and particularly relates to a technology for reinforcing an inner support frame of an ancient building.
Background
The ancient architecture refers to civil architecture and public architecture before the construction of the country with historic significance, and in China, a plurality of ancient towns and most large cities still keep some ancient architecture. With the continuous development of Chinese economy in recent years, the travelling expense of residents has great growth potential, a plurality of tourist enterprises pay attention to the cultural characteristics contained in ancient buildings, and the part of the ancient buildings which are incomplete or broken is subjected to modern reconstruction and repair and used as a tourist landscape building or a theme hotel, so that the ancient building culture is saved in the world, the vigorous development of the local travelling industry is strongly stimulated, and the ancient cultural heritage generates modern value. Therefore, the ancient architecture renovation engineering plays an important role in pulling internal requirements and promoting economic development for the tourism economy.
In the engineering of repairing and reforming ancient buildings, the structural strength and the overall stability of the ancient buildings are far too much lower than those of newly-built buildings, but the ancient buildings in China mostly adopt frame structures on building structures, namely wooden columns and wooden beams are built into frames of the buildings, and the weight of a roof is transferred to the wooden columns through the wooden beams, so that the wall body plays a partition role. Therefore, when the pattern and the function of the ancient building are subjected to modern transformation and repair, reinforcing measures are required to be taken for the inner supporting frame structure of the ancient building, so that the falling damage of the inner supporting frame structure is avoided. At present, when reinforcing and protecting an ancient building, steel bars are generally inserted into wood columns of the ancient building transversely to replace rotten penetrating purlins, but the process is not strong in supporting stability, is only suitable for a small-span frame structure, and is poor in universality; secondly, in the reinforcement and repair process, when the decomposed wood columns are dismantled, the wood columns are required to be shifted, a special column shifting device is not provided in the prior art, and the wood column shifting construction cost is high and the efficiency is low; finally, when the roof is jacked, the steel bars are generally erected into scaffolds, penetrate through and are connected with the wall bodies, the roof is temporarily supported, the scaffold is removed after the reinforcement and repair process, and by adopting the supporting method, the working period is long, and the wall bodies and the roof structures of the ancient buildings are damaged to a certain extent, so that the protection and repair of the ancient buildings are not facilitated.
Therefore, aiming at the problems in the prior art, it is highly needed to provide a process for reinforcing an inner support frame of an ancient building, which effectively reduces or avoids damage to the ancient building and meets the requirements of modernization, transformation and repair of the ancient building.
Disclosure of Invention
Aiming at the problems in the related art, the invention provides a process for reinforcing an inner support frame of an ancient building, which aims to overcome the technical problems in the prior art.
The technical scheme of the invention is realized as follows: the utility model provides a braced frame technology in ancient building consolidates, ancient building includes the roof, and the roof lower part is equipped with the timber beams, the timber beams is supported fixedly by many timber posts, the timber posts include the corner posts that are located the timber beams both sides to and be located the center pillar between the corner posts of both sides, include the following step:
Step 1, construction mapping: performing field measurement on the ancient building, and drawing to form a construction drawing;
Step 2, lifting the roof by the jacking device: the jacking device is fixedly connected with the ground in a sliding way, the jacking device comprises a primary lifting mechanism, a secondary lifting mechanism and a roof supporting platform which are arranged from bottom to top, the primary lifting mechanism/the secondary lifting mechanism is correspondingly provided with a primary driving component/a secondary driving component which drive the primary lifting mechanism/the secondary driving component to lift along the vertical direction, the lifting amplitude of the primary lifting mechanism is larger than that of the secondary lifting mechanism, a plurality of elastic members are distributed on the upper surface of the roof supporting platform, the roof supporting platform is propped against or separated from the lower surface of a roof through the elastic members, and the jacking device further comprises a control unit, wherein the control unit is connected with each driving component;
When the jacking device is started, the jacking device is fixedly connected with the ground, the control unit drives the primary lifting mechanism and the secondary lifting mechanism to lift, each elastic component is connected with a pressure element, when each elastic component is propped against the roof, the pressure element transmits a pressure signal to the control unit, and the control unit controls the starting and stopping of the primary driving assembly/the secondary driving assembly according to the pressure signal;
Step 3, removing the middle column by the column moving device: the column moving device comprises a left frame and a right frame which can be mutually folded and fixed, casters are arranged at the bottoms of the left frame and the right frame, a left clamping component is arranged on the left frame and can transversely and longitudinally stretch out and draw back, a right clamping component is fixedly connected to the right frame, and a gap for placing a wood column is formed in the middle of the left frame and the right frame when the left frame and the right frame are folded;
When the column moving device is started, the connection between the middle column to be removed and the wood beam and the ground is released, a right clamping component on a right frame is abutted against the middle column, a left frame is folded and fixedly connected with the right frame, the left clamping component transversely stretches out and abuts against and presses the middle column, the middle column and the right clamping component jointly form clamping on the middle column, and the column moving device moves the middle column to be removed through casters at the bottom of the left frame/the right frame;
step 4, building an inner supporting frame: the inner sides of the corner posts at the two sides are respectively provided with a post extending along the corner posts, the upper end surfaces of the two posts are provided with a cross beam, the upper end surfaces of the cross beams are abutted against the wood beams, and the cross beam and the two posts form an inner support frame structure;
And 5, transverse reinforcement: a plurality of fixing frames are connected between the corner posts and the support posts, and each fixing frame is horizontally arranged in a ring shape and distributed at intervals along the extending direction of the corner posts;
step 6, attaching a base material plate and a veneer: arranging aluminum frames in mirror symmetry on two side walls of a cross beam, wherein each aluminum frame is distributed along the extending direction of the cross beam, firstly attaching a substrate plate to the outer surfaces of a fixing frame and the aluminum frames, enclosing the inner supporting frame by the substrate plate, and then covering a veneer on the outer surface of the substrate plate, wherein the veneer is attached and fixed with the substrate plate;
Step 7, removing the jacking device: the control unit drives the primary lifting mechanism and the secondary lifting mechanism to move downwards, so that the fixed connection between the jacking device and the ground is released, and the jacking device is removed.
According to the invention, the frame structure is built by the cross beams and the two struts, so that the wooden columns of the original ancient building are replaced, the indoor space planning of the ancient building is optimized, the stability of the frame structure is improved, and potential safety hazards such as fracture and loosening caused by long-term decay of the wooden columns are prevented; simultaneously, the pressure transfer with former wood column gives the crossbeam to distribute to both sides pillar and wood column through the crossbeam, be applicable to supporting frame structure in the large-span, increased area of support, make ancient building frame structure be difficult for the frame that looses, the anti load ability is strong, the security is high.
As a further improvement of the above solution, in step 2, when the jacking device is used for roof lifting operation, the method further includes the following steps:
Step 2.1, obtaining the ground clearance H 1 of the roof according to the construction drawing;
Step 2.2, inputting the ground clearance H 1 into a control unit of the jacking device, starting a primary lifting mechanism, and driving a secondary lifting mechanism and a roof supporting platform by a primary driving assembly to enable the ground clearance of the upper end surface of the roof supporting platform to be 2/3H 1～4/5H1;
Step 2.3, starting a secondary lifting mechanism, driving each elastic member of the roof supporting platform to abut against the lower surface of the roof by a secondary driving assembly, arranging a pressure threshold in the control unit, acquiring real-time pressure by each pressure element and conveying the pressure to the control unit,
When the real-time pressure is less than the pressure threshold value, the control unit controls the secondary lifting mechanism to continuously lift the roof supporting platform; when the real-time pressure is more than or equal to the pressure threshold value, the control unit controls the secondary lifting mechanism to stop lifting action and keep the ground clearance.
As a further improvement of the scheme, the primary lifting mechanism comprises a primary base and a scissor structure, wherein supporting members are respectively arranged at four vertex angles of the bottom surface of the primary base, and the primary lifting mechanism is fixedly connected with the ground in a sliding manner through the supporting members;
One end of the primary driving component is hinged with the primary base, the other end of the primary driving component is in transmission connection with the scissor structure, and the primary driving component drives the scissor structure to ascend or descend.
As a further improvement of the scheme, the secondary lifting mechanism comprises a secondary base, a secondary driving assembly and a bracket on the secondary base, and the bottom of the secondary base is fixedly connected with the upper end face of the scissor fork structure;
Screw rods which are vertically arranged are arranged at the four vertex angles of the secondary base, nuts are fixedly connected at the four vertex angles of the bracket, and the bracket and the screw rods are correspondingly connected in a transmission manner through the nuts;
The secondary driving assembly is positioned at the bottom of the secondary base and comprises a rotating motor, a driving sprocket and driven sprockets fixedly connected to the lower parts of the screw rods, the rotating motor is in driving connection with the driving sprocket, and the driving sprocket is in driving connection with the driven sprockets through chains;
the rotating motor drives the driving chain wheel to rotate and drives the driven chain wheels to enable the screw rod to rotate, and the bracket ascends or descends on the screw rod through the nuts.
As a further improvement of the scheme, the roof supporting platform comprises a lifting platform and two oppositely arranged top plates, the front ends of the two top plates are hinged, the rear ends of the two top plates are respectively connected with the lifting platform in a sliding manner, the middle ends of the two top plates are respectively provided with a hydraulic push rod, an included angle alpha is formed at the hinged position of the two top plates, 112 degrees is less than alpha and less than 180 degrees, and the telescopic action of each hydraulic push rod pushes or pulls the two top plates to rotate around the hinged position, so that the reduction or expansion of the included angle alpha is correspondingly controlled.
As a further improvement of the above, the elastic member includes a support rod and a fitting plate,
One end of the supporting rod is fixedly connected to the top plate, the other end of the supporting rod is provided with an elastic part, the rear end of the elastic part is propped against or separated from the pressure element, the front end of the elastic part is hinged to the middle of the laminating plate, tension springs are respectively arranged on two sides of the laminating plate, and each tension spring extends and is fixedly connected to one side, away from the elastic part, of the supporting rod.
As a further improvement of the above, in step 3, when the center pillar is removed using the pillar moving device, the method further comprises the steps of:
Step 3.1, acquiring the height H 2 of the middle column to be removed according to the construction drawing;
step 3.2, performing longitudinal telescopic action on the left clamping assembly according to the height H2 of the middle column, so that the ground clearance of the abutting part of the left clamping assembly and the middle column is 1/2H 2～3/5H2;
And 3.3, after the middle column enters a gap when the left frame and the right frame are folded, fixedly connecting the left frame and the right frame, transversely extending the left clamping assembly until the distance between the left clamping assembly and the middle column is 3-5 cm, filling rubber materials between the left clamping assembly and the middle column, continuously transversely acting the left clamping assembly, and extruding and clamping the middle column.
As a further improvement of the scheme, the column moving device also comprises a plurality of locking components, the locking components comprise a ring with an opening, the opening of the ring is connected with a locking screw in a threaded way,
When the left frame is fixedly connected with the right frame, the ring is respectively clamped and connected with the left frame and the right frame through the opening, and the fixing is completed by means of the locking screw.
As a further improvement of the above solution, in step 4, when the inner support frame is built, the method further comprises the steps of:
Step 4.1, setting up struts, wherein each strut is arranged along the extending direction of the corner post and is fixed with the ground;
And 4.2, fixedly connecting a flat plate on the upper end surfaces of the struts, lifting the cross beam, and horizontally placing the cross beam on the flat plates of the two struts, so that the cross beam is fixed on the flat plate to form the inner support frame structure with the two struts.
As a further improvement of the above scheme, in step 6, the aluminum frame is a bent plate, and includes a connecting portion, a longitudinal supporting portion and a transverse supporting portion, wherein a plurality of through holes are formed in the connecting portion, the aluminum frame is riveted and fixed with the cross beam through the through holes, the longitudinal supporting portion is used for supporting and fixing a vertically arranged substrate plate, and the transverse supporting portion is used for supporting and fixing a horizontally arranged substrate plate.
The invention has the beneficial effects that:
(1) The frame structure is built by the cross beams and the two struts, so that the wooden columns of the original ancient building are replaced, the indoor space planning of the ancient building is optimized, the stability of the frame structure is improved, and potential safety hazards such as fracture loosening and the like caused by long-term decay of the wooden columns are prevented;
(2) The pressure of the original wood columns is transferred to the cross beams and distributed to the two side support columns and the wood columns through the cross beams, so that the method is suitable for a large-span inner support frame structure, the support area is increased, the old building frame structure is not easy to scatter, the load resistance is high, and the safety is high;
(3) The special column moving device is arranged to remove and replace the decomposed column, so that the construction efficiency is high; the roof of the jacking device is arranged for temporary support, so that the safety and reliability of the reconstruction construction process of the inner support frame of the reinforcement of the ancient building are ensured, the reinforcement repair process is optimized, and the requirements of modern reconstruction repair of the ancient building are met;
(4) Through setting up aluminium type frame and mount, be convenient for install substrate board and decorative board additional at the surface of crossbeam, pillar for the ancient building is whole coordinated unified, avoids causing the destruction to its architectural style in strengthening the engineering of repairing, furthest's protection ancient building's original appearance.
Drawings
FIG. 1 is a schematic diagram of an ancient architecture structure of the present invention;
FIG. 2 is a schematic view of the inner support frame structure of the present invention;
FIG. 3 is a schematic diagram of the connection of the cross beam to the aluminum frame of the present invention;
FIG. 4 is a schematic structural view of a jack-up device according to the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 4;
FIG. 6 is an exploded view of the jack-up device of the present invention;
FIG. 7 is a schematic diagram of a column shifting device according to the present invention;
FIG. 8 is a top view of the column shifting apparatus of the present invention;
reference numerals:
1. an ancient building; 11. a roof; 12. a wood beam; 13. corner posts; 14. a center column;
2. an inner support frame; 21. a cross beam; 22. a support post;
31. an aluminum-type rack; 311. a coupling portion; 312. a longitudinal support portion; 313. a lateral support portion; 32. a fixing frame; 33. a substrate plate; 34. a veneer;
4. A jacking device;
41. a primary lifting mechanism; 411. a primary base; 412. a scissors structure; 413. a support member; q1, a primary driving assembly;
42. A secondary lifting mechanism; 421. a secondary base; 422. a bracket; 423. a screw rod; 424. a nut; 425. a tensioner; q2, a secondary driving assembly; q21, a rotating motor; q22, a drive sprocket; q23, driven sprocket; q24, a chain;
43. A roof support; 431. lifting a platform; 432. a top plate; 433. a hydraulic push rod; 434. an elastic member; 4341. a support rod; 4342. an elastic part; 4343. bonding plates; 4344. a tension spring; 4345. a pressure element;
5. A column moving device; 51a, left frame; 51b, right frame; 52a, left clamp assembly; 52b, right clamping assembly; 53. and a locking assembly.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-8, in a process for reinforcing an inner supporting frame of an ancient building, it is to be noted that the ancient building adopts a frame structure on a building structure, and in this embodiment, a central column 14 of the ancient building occupies a relatively large space, and when the ancient building is subjected to modernization, the pattern of the ancient building needs to be optimized, and a rotten wood column is removed. In this process, reinforcement measures must be taken to the inner support frame structure of the historic building to avoid its dumping damage. The ancient building comprises a roof 11, a wood beam 12 is arranged at the lower part of the roof 11, the wood beam 12 is supported and fixed by a plurality of wood posts, the wood posts comprise corner posts 13 positioned at two sides of the wood beam 12, and a middle post 14 positioned between the corner posts 13 at two sides,
Specifically, the process for reinforcing the inner support frame of the ancient building comprises the following steps:
Step 1, construction mapping: performing field measurement on the ancient building, and drawing to form a construction drawing;
Specifically, each item of dimension information of the ancient architecture, such as the ground clearance H 1 of the roof 11, the height H 2 of the center pillar 14, the length of the wooden beam 12, the height of the corner pillar 13, etc., is measured, and two-dimensional or three-dimensional modeling is performed according to each item of dimension information, so that the dimensions and the adoption of the cross beam 21 and the pillar 22 are determined, and the construction efficiency is improved.
Step 2, lifting the roof 11 by the jacking device 4: the jacking device 4 is in slidable fixed connection with the ground,
The jacking device 4 comprises a primary lifting mechanism 41, a secondary lifting mechanism 42 and a roof supporting table 43 which are arranged from bottom to top, wherein the primary lifting mechanism 41/the secondary lifting mechanism 42 are correspondingly provided with a primary driving component Q1/a secondary driving component Q2 for driving the primary lifting mechanism 41/the secondary lifting mechanism to lift along the vertical direction, and the lifting amplitude of the primary lifting mechanism 41 is larger than that of the secondary lifting mechanism 42;
specifically, the primary lifting mechanism 41 is adopted to perform rough lifting adjustment, so that the secondary lifting mechanism 42 and the roof supporting platform 43 can be quickly lifted; the secondary lifting mechanism 42 is adopted to carry out fine lifting adjustment, so that the roof supporting platform 43 is lifted slowly, the roof supporting platform 43 is slowly and stably abutted with the bottom surface of the roof 11, and the roof 11 structure of the ancient building is prevented from being damaged by rapid collision of the roof supporting platform 43.
The upper surface of the roof supporting platform 43 is distributed with a plurality of elastic members 434, the roof supporting platform 43 is propped against or separated from the lower surface of the roof 11 through the elastic members 434, and the roof supporting platform also comprises a control unit, and the control unit is connected with each driving component;
When the jacking device 4 is started, the jacking device 4 is fixedly connected with the ground, the control unit drives the primary lifting mechanism 41 and the secondary lifting mechanism 42 to lift, each elastic member 434 is connected with a pressure element 4345, when each elastic member 434 is propped against the roof 11, the pressure elements 4345 transmit pressure signals to the control unit, and the control unit controls the primary driving assembly Q1/the secondary driving assembly Q2 to start and stop according to the pressure signals; the roof 11 of the jacking device 4 is arranged to temporarily support, so that the safety and reliability of the reconstruction construction process of the support frame in the reinforcement of the ancient building are ensured, the reinforcement and repair process is optimized, and the requirements of modernization reconstruction and repair of the ancient building are met.
More specifically, in step 2, when the jacking device 4 is used to lift the roof 11, the method further includes the following steps:
step 2.1, obtaining the ground clearance H 1 of the roof 11 according to the construction drawing;
Step 2.2, inputting the ground clearance H 1 into a control unit of the jacking device 4, starting the primary lifting mechanism 41, and driving the secondary lifting mechanism 42 and the roof supporting platform 43 by the primary driving component Q1 so that the ground clearance of the upper end surface of the roof supporting platform 43 is 2/3H 1～4/5H1;
Step 2.3, starting the secondary lifting mechanism 42, driving each elastic member 434 of the roof supporting platform 43 by the secondary driving assembly Q2 to abut against the lower surface of the roof 11, setting a pressure threshold in the control unit, acquiring real-time pressure by each pressure element 4345 and delivering to the control unit,
When the real-time pressure is less than the pressure threshold value, the control unit controls the secondary lifting mechanism 42 to continuously lift the roof supporting platform 43; when the real-time pressure is more than or equal to the pressure threshold value, the control unit controls the secondary lifting mechanism 42 to stop lifting action and keep the ground clearance;
it should be noted that, because the ancient architecture is old, its structural strength and overall stability are much worse than those of the newly built architecture, and the arrangement of the elastic member 434 and the monitoring of the real-time pressure further control the feeding action of the secondary driving assembly Q2, so as to effectively protect the roof 11 structure of the ancient architecture and avoid damage.
In this embodiment, the primary lifting mechanism 41 includes a primary base 411 and a scissor structure 412, wherein four top corners of the bottom surface of the primary base 411 are respectively provided with a support member 413, and the primary lifting mechanism 41 is fixedly connected with the ground in a slidable manner through the support members 413;
specifically, the supporting member 413 includes a floor stand and casters, and when the jack-up device 4 needs to be moved, the floor stand can be retracted, and the casters land; when the jacking device 4 needs to be fixed and moved, the ground support can be pressed down, the casters are lifted off, and the jacking device 4 is fixedly connected with the ground stably.
One end of the primary driving component Q1 is hinged to the primary base 411, the other end is in transmission connection with the scissor structure 412, and the primary driving component Q1 drives the scissor structure 412 to ascend or descend.
In this embodiment, the secondary lifting mechanism 42 includes a secondary base 421, and a secondary driving assembly Q2 and a bracket 422 on the secondary base 421, where the bottom of the secondary base 421 is fixedly connected to the upper end surface of the scissor structure 412;
four vertex angles of the secondary base 421 are provided with vertically arranged screw rods 423, nuts 424 are fixedly connected to the four vertex angles of the bracket 422, and the bracket 422 is correspondingly connected with the screw rods 423 through the nuts 424 in a transmission manner;
The secondary driving assembly Q2 is located at the bottom of the secondary base 421 and comprises a rotating motor Q21, a driving sprocket Q22, and driven sprockets Q23 fixedly connected to the lower portion of each screw rod 423, wherein the rotating motor Q21 is in driving connection with the driving sprocket Q22, and the driving sprocket Q22 is in driving connection with each driven sprocket Q23 through a chain Q24;
The rotating motor Q21 drives the driving sprocket Q22 to rotate, and drives each driven sprocket Q23 to rotate the screw rod 423, and the bracket 422 moves up or down on the screw rod 423 through the nut 424;
Still include tensioning ware 425, tensioning ware 425 includes a mounting panel and take-up pulley, the mounting panel is fixedly connected mutually with second grade base 421, is equipped with a bar hole on the mounting panel, is equipped with in the bar hole take-up pulley, take-up pulley with chain Q24 offsets, slides along the bar hole through the take-up pulley, adjusts the tensioning degree of closed loop structure's chain Q24, improves the promotion of lead screw 423 or the smooth and easy degree of descending action.
In this embodiment, the roof supporting platform 43 includes a lifting platform 431 and two opposite top plates 432, the front ends of the two top plates 432 are hinged, the rear ends of the two top plates 432 are respectively connected with the lifting platform 431 in a sliding manner, the middle ends of the two top plates 432 are respectively provided with a hydraulic push rod 433, an included angle α is formed at the hinged position of the two top plates 432, 112 ° < α < 180 °, and the two top plates 432 are pushed or pulled to rotate around the hinged position by the telescopic action of each hydraulic push rod 433, so as to correspondingly control the shrinkage or expansion of the included angle α;
It should be noted that, the roof 11 specification size of ancient building is different, sets up roof 432 that two opposite directions set up, carries out adaptability cooperation through adjusting contained angle α to roof 11, and the specification design of laminating most roof 11, the commonality is strong, satisfies the construction demand in the ancient building reinforcement process.
In this embodiment, the elastic member 434 includes a support bar 4341 and a fitting plate 4343,
One end of the supporting rod 4341 is fixedly connected to the top plate 432, the other end of the supporting rod is provided with an elastic part 4342, the rear end of the elastic part 4342 is propped against or separated from the pressure element 4345, the front end of the elastic part 4342 is hinged to the middle part of the attaching plate 4343, two sides of the attaching plate 4343 are respectively provided with a tension spring 4344, and each tension spring 4344 extends and is fixedly connected to one side, away from the elastic part 4342, of the supporting rod 4341;
In order to avoid the jacking damage to the roof 11 of the ancient building, further, a pressure element 4345 and a supporting rod 4341 with an elastic part 4342 are arranged, and the jacking pressure to the roof 11 is monitored in real time, so that the jacking feeding of the secondary lifting mechanism 42 is correspondingly controlled; in addition, the laminating plate 4343 capable of hinging and rotating with the supporting rod 4341 is arranged, and correspondingly the lower surface of the roof 11 is laminated, so that the roof 11 is in flexible fit, and the damage of rigid contact to the roof 11 of the ancient building is effectively avoided.
Step 3, the column moving device 5 removes the middle column 14: the column moving device 5 comprises a left frame 51a and a right frame 51b which can be mutually folded and fixed, casters are arranged at the bottoms of the left frame 51a and the right frame 51b, a left clamping component 52a is arranged on the left frame 51a, the left clamping component 52a can transversely and longitudinally stretch, a right clamping component 52b is fixedly connected on the right frame 51b, and a gap for placing a wood column is formed in the middle of the left frame 51a and the right frame 51b when being folded;
when the column moving device 5 is started, the connection between the middle column 14 to be removed and the wood beam 12 and the ground is released, the right clamping component 52b on the right frame 51b is abutted against the middle column 14, the left frame 51a and the right frame 51b are folded and fixedly connected, the left clamping component 52a transversely stretches out and abuts against and presses the middle column 14, the middle column 14 is clamped together with the right clamping component 52b, and the column moving device 5 moves the middle column 14 to be removed through the truckles at the bottom of the left frame 51 a/the right frame 51 b; and a special column moving device 5 is arranged to remove and replace the decomposed column 22, so that the construction efficiency is high.
More specifically, in step 3, when the center pillar 14 is removed by using the pillar moving device 5, the method further comprises the steps of:
Step 3.1, acquiring the height H 2 of the middle column 14 to be removed according to the construction drawing;
step 3.2, performing longitudinal telescopic action on the left clamping assembly 52a according to the height H 2 of the middle column 14, so that the ground clearance of the abutting part of the left clamping assembly 52a and the middle column 14 is 1/2H 2～3/5H2;
The left clamping assembly 52a is arranged at a height higher than half of the height of the center pillar 14, so that the stability of the center of gravity of the center pillar 14 is ensured to be removed, and accidents such as dumping and shifting are avoided.
Step 3.3, after the middle column 14 enters the gap when the left frame 51a and the right frame 51b are folded, the left frame 51a and the right frame 51b are fixedly connected, the left clamping assembly 52a is transversely extended until the distance between the left clamping assembly 52a and the middle column 14 is 3-5 cm, rubber materials are filled between the left clamping assembly 52a and the middle column 14, and the left clamping assembly 52a is continuously transversely moved to squeeze and clamp the middle column 14.
Specifically, the left clamping assembly 52a includes a left base, a linear motor is disposed on the left base, an output shaft of the linear motor is in driving connection with a left clamping plate, the left clamping plate is slidably connected with the left base through a plurality of guide rails, and the left clamping assembly 52a realizes a transverse telescopic action through the telescopic action of the output shaft of the linear motor; a linear guide rail extending along the vertical direction is arranged between the left base of the left clamping assembly 52a and the left frame 51a, and the left clamping assembly 52a realizes longitudinal telescopic action through lifting of the linear guide rail.
In this embodiment, the column moving device 5 further comprises a plurality of locking components 53, the locking components 53 comprise a ring with an opening, the opening of the ring is connected with a locking screw in a threaded manner,
When the left frame 51a and the right frame 51b are fixedly connected, the ring is respectively connected with the left frame 51a and the right frame 51b in a clamping way through the openings, and the fixing is completed by means of the locking screws.
Step 4, building an inner supporting frame: the inner sides of the corner posts 13 at two sides are respectively provided with a post 22 extending along the corner posts 13, the upper end surfaces of the two posts 22 are provided with a cross beam 21, the upper end surface of the cross beam 21 is abutted against the wood beam 12, and the cross beam 21 and the two posts 22 form an inner support frame structure;
In the embodiment, the beam 21 and the two struts 22 are constructed into a frame structure to replace the wood columns of the original ancient building, so that the indoor space planning of the ancient building is optimized, the stability of the frame structure is improved, and potential safety hazards such as fracture and loosening caused by long-term decay of the wood columns are prevented;
In this embodiment, the beam is preferably hot-rolled i-steel with the model number of 20a, namely, the height is 200mm, and the width is 100mm; the struts are preferably 80mm x 80mm square steel;
further specifically, in step 4, when the inner support frame is built, the method further includes the following steps:
Step 4.1, setting up the struts 22, wherein each strut 22 is arranged along the extending direction of the corner posts 13, and each strut 22 is fixed with the ground;
Step 4.2, fixedly connecting a flat plate to the upper end surfaces of the struts 22, lifting the cross beam 21, and horizontally placing the cross beam 21 on the flat plates of the two struts 22, so that the cross beam 21 and the two struts 22 form the inner support frame structure through being fixed on the flat plate;
And 5, transverse reinforcement: a plurality of fixing frames 32 are connected between the corner posts 13 and the support posts 22, and each fixing frame 32 is horizontally and annularly arranged and distributed at intervals along the extending direction of the corner posts 13;
it should be noted that, in the conventional reinforcement of the ancient architecture, the steel bars are generally inserted into the wooden columns of the ancient architecture transversely to replace the rotten penetrating purlin, but the process is only suitable for a small-span frame structure, the universality is poor, the pressure of the original wooden columns is transferred to the cross beams 21 and distributed to the two side support columns 22 and the wooden columns through the cross beams 21, and the method is suitable for a large-span inner support frame structure, so that the support area is increased, the ancient architecture frame structure is not easy to scatter, the load resistance is strong, and the safety is high.
Step 6, laminating the substrate plate 33 and the veneer 34: the two side walls of the beam 21 are provided with aluminum frames 31 in mirror symmetry, each aluminum frame 31 is distributed along the extending direction of the beam 21, a base material plate 33 is firstly attached to the outer surfaces of the fixing frame 32 and the aluminum frames 31, the base material plate 33 encloses the inner supporting frame, then a veneer 34 is covered on the outer surface of the base material plate 33, and the veneer 34 is attached and fixed with the base material plate 33; through setting up aluminium type frame 31 and mount 32, be convenient for install substrate board 33 and decorative board 34 additional at the surface of crossbeam 21, pillar 22 for ancient building whole harmony is unified, avoids causing the destruction to its architectural style in strengthening the renovation engineering, furthest's protection ancient building's original appearance.
In this embodiment, in step 6, the aluminum frame 31 is a bent plate, and includes a coupling portion 311, a longitudinal supporting portion 312, and a transverse supporting portion 313, where a plurality of through holes are provided on the coupling portion 311, the aluminum frame 31 is riveted and fixed with the cross beam 21 through the through holes, the longitudinal supporting portion 312 is used for supporting and fixing the vertically arranged substrate plate 33, and the transverse supporting portion 313 is used for supporting and fixing the horizontally arranged substrate plate 33.
Step 7, removing the jacking device 4: the control unit drives the primary lifting mechanism 41 and the secondary lifting mechanism 42 to move downwards, so that the fixed connection between the jacking device 4 and the ground is released, and the jacking device 4 is removed.
According to the invention, by arranging the special column moving device 5 and the jacking device 4, the operation efficiency of reinforcing the ancient building is improved, the reinforcing and repairing process is optimized, and the requirements of modernization, transformation and repairing of the ancient building are met.
Variations and modifications to the above would be obvious to persons skilled in the art to which the invention pertains from the foregoing description and teachings. Therefore, the invention is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the invention should be also included in the scope of the claims of the invention. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present invention in any way.
Claims (6)
1. The utility model provides a braced frame technology in ancient building consolidates, ancient building includes the roof, and the roof lower part is equipped with the timber beams, the timber beams is supported fixedly by many timber posts, the timber posts include the corner posts that are located the timber beams both sides to and be located the center pillar between the corner posts of both sides, its characterized in that includes the following step:
Step 1, construction mapping: performing field measurement on the ancient building, and drawing to form a construction drawing;
Step 2, lifting the roof by the jacking device: the jacking device is fixedly connected with the ground in a sliding way, the jacking device comprises a primary lifting mechanism, a secondary lifting mechanism and a roof supporting platform which are arranged from bottom to top, a primary driving assembly and a secondary driving assembly which are used for driving the primary lifting mechanism and the secondary lifting mechanism to lift along the vertical direction are correspondingly arranged on the primary lifting mechanism and the secondary lifting mechanism, the lifting amplitude of the primary lifting mechanism is larger than that of the secondary lifting mechanism, a plurality of elastic members are distributed on the upper surface of the roof supporting platform, and the roof supporting platform is propped against or separated from the lower surface of a roof through the elastic members;
when the jacking device is started, the jacking device is fixedly connected with the ground, the control unit drives the primary lifting mechanism and the secondary lifting mechanism to lift, each elastic component is connected with a pressure element, when each elastic component is propped against the roof, the pressure element transmits a pressure signal to the control unit, and the control unit controls the primary driving assembly and the secondary driving assembly to start and stop according to the pressure signal;
The primary lifting mechanism comprises a primary base and a scissor structure, wherein supporting members are respectively arranged at four top corners of the bottom surface of the primary base, and the primary lifting mechanism is fixedly connected with the ground in a sliding manner through the supporting members;
One end of the primary driving component is hinged with the primary base, the other end of the primary driving component is in transmission connection with the scissor structure, and the primary driving component drives the scissor structure to ascend or descend;
the secondary lifting mechanism comprises a secondary base, a secondary driving assembly and a bracket on the secondary base, and the bottom of the secondary base is fixedly connected with the upper end face of the scissor structure;
Screw rods which are vertically arranged are arranged at the four vertex angles of the secondary base, nuts are fixedly connected at the four vertex angles of the bracket, and the bracket and the screw rods are correspondingly connected in a transmission manner through the nuts;
The secondary driving assembly is positioned at the bottom of the secondary base and comprises a rotating motor, a driving sprocket and driven sprockets fixedly connected to the lower parts of the screw rods, the rotating motor is in driving connection with the driving sprocket, and the driving sprocket is in driving connection with the driven sprockets through chains;
The rotating motor drives the driving chain wheel to rotate and drives the driven chain wheels to rotate the screw rod, and the bracket ascends or descends on the screw rod through the nuts;
The roof supporting platform comprises a lifting platform and two opposite top plates, the front ends of the two top plates are hinged, the rear ends of the two top plates are respectively connected with the lifting platform in a sliding manner, the middle ends of the two top plates are respectively provided with a hydraulic push rod, an included angle alpha is formed at the hinged position of the two top plates, 112 degrees is smaller than 180 degrees, and the two top plates are pushed or pulled together by the telescopic action of each hydraulic push rod to rotate around the hinged position, so that the included angle alpha is correspondingly controlled to be reduced or enlarged;
the elastic member includes a support bar and a bonding plate,
One end of the supporting rod is fixedly connected to the top plate, the other end of the supporting rod is provided with an elastic part, the rear end of the elastic part is propped against or separated from the pressure element, the front end of the elastic part is hinged to the middle part of the laminating plate, tension springs are respectively arranged on two sides of the laminating plate, and each tension spring extends and is fixedly connected to one side, far away from the elastic part, of the supporting rod;
Step 3, removing the middle column by the column moving device: the column moving device comprises a left frame and a right frame which can be mutually folded and fixed, casters are arranged at the bottoms of the left frame and the right frame, a left clamping component is arranged on the left frame and can transversely and longitudinally stretch out and draw back, a right clamping component is fixedly connected to the right frame, and a gap for placing a wood column is formed in the middle of the left frame and the right frame when the left frame and the right frame are folded;
When the column moving device is started, the connection between the middle column to be removed and the wood beam and the ground is released, a right clamping component on a right frame is abutted against the middle column, a left frame is folded and fixedly connected with the right frame, the left clamping component transversely stretches out and abuts against and presses the middle column, the middle column and the right clamping component jointly form clamping on the middle column, and the column moving device moves the middle column to be removed through casters at the bottoms of the left frame and the right frame;
step 4, building an inner supporting frame: the inner sides of the corner posts at the two sides are respectively provided with a post extending along the corner posts, the upper end surfaces of the two posts are provided with a cross beam, the upper end surfaces of the cross beams are abutted against the wood beams, and the cross beam and the two posts form an inner support frame structure;
And 5, transverse reinforcement: a plurality of fixing frames are connected between the corner posts and the support posts, and each fixing frame is horizontally arranged in a ring shape and distributed at intervals along the extending direction of the corner posts;
step 6, attaching a base material plate and a veneer: arranging aluminum frames in mirror symmetry on two side walls of a cross beam, wherein each aluminum frame is distributed along the extending direction of the cross beam, firstly attaching a substrate plate to the outer surfaces of a fixing frame and the aluminum frames, enclosing the inner supporting frame by the substrate plate, and then covering a veneer on the outer surface of the substrate plate, wherein the veneer is attached and fixed with the substrate plate;
Step 7, removing the jacking device: the control unit drives the primary lifting mechanism and the secondary lifting mechanism to move downwards, so that the fixed connection between the jacking device and the ground is released, and the jacking device is removed.
2. The process for reinforcing an inner support frame of an ancient building according to claim 1, wherein,
In step 2, when the jacking device is used for roof lifting operation, the method further comprises the following steps:
Step 2.1, obtaining the ground clearance H 1 of the roof according to the construction drawing;
Step 2.2, inputting the ground clearance H 1 into a control unit of the jacking device, starting a primary lifting mechanism, and driving a secondary lifting mechanism and a roof supporting platform by a primary driving assembly to enable the ground clearance of the upper end surface of the roof supporting platform to be 2/3H 1~4/5H1;
Step 2.3, starting a secondary lifting mechanism, driving each elastic member of the roof supporting platform to abut against the lower surface of the roof by a secondary driving assembly, arranging a pressure threshold in the control unit, acquiring real-time pressure by each pressure element and conveying the pressure to the control unit,
When the real-time pressure is less than the pressure threshold value, the control unit controls the secondary lifting mechanism to continuously lift the roof supporting platform; when the real-time pressure is more than or equal to the pressure threshold value, the control unit controls the secondary lifting mechanism to stop lifting action and keep the ground clearance.
3. The process for reinforcing an inner support frame of an ancient building according to claim 1, wherein,
In step 3, when the middle column is removed by using the column moving device, the method further comprises the following steps:
Step 3.1, acquiring the height H 2 of the middle column to be removed according to the construction drawing;
Step 3.2, performing longitudinal telescopic action on the left clamping assembly according to the height H 2 of the middle column, so that the ground clearance of the abutting part of the left clamping assembly and the middle column is 1/2H 2~3/5H2;
And 3.3, after the middle column enters a gap when the left frame and the right frame are folded, fixedly connecting the left frame and the right frame, transversely extending the left clamping assembly until the distance between the left clamping assembly and the middle column is 3-5 cm, filling rubber materials between the left clamping assembly and the middle column, continuously transversely acting the left clamping assembly, and extruding and clamping the middle column.
4. The process for reinforcing an inner support frame of an ancient building according to claim 1 or 3, wherein the column moving means further comprises a plurality of locking members, the locking members comprise a ring having an opening, locking screws are screwed on the opening of the ring,
When the left frame is fixedly connected with the right frame, the ring is respectively clamped and connected with the left frame and the right frame through the opening, and the fixing is completed by means of the locking screw.
5. The process for reinforcing an inner support frame of an ancient building according to claim 1, wherein,
In step 4, when the inner support frame is built, the method further comprises the following steps:
Step 4.1, setting up struts, wherein each strut is arranged along the extending direction of the corner post and is fixed with the ground;
And 4.2, fixedly connecting a flat plate on the upper end surfaces of the struts, lifting the cross beam, and horizontally placing the cross beam on the flat plates of the two struts, so that the cross beam is fixed on the flat plate to form the inner support frame structure with the two struts.
6. The process for reinforcing an inner supporting frame for an ancient building according to claim 1, wherein in step 6, the aluminum frame is a bent plate, and comprises a coupling portion, a longitudinal supporting portion and a transverse supporting portion, wherein a plurality of through holes are formed in the coupling portion, the aluminum frame is riveted and fixed with the cross beam through the through holes, the longitudinal supporting portion is used for supporting and fixing a vertically arranged substrate plate, and the transverse supporting portion is used for supporting and fixing a horizontally arranged substrate plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210254435.3A CN114562121B (en) | 2022-03-15 | 2022-03-15 | Process for reinforcing inner support frame of ancient building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210254435.3A CN114562121B (en) | 2022-03-15 | 2022-03-15 | Process for reinforcing inner support frame of ancient building |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114562121A CN114562121A (en) | 2022-05-31 |
| CN114562121B true CN114562121B (en) | 2024-04-16 |
Family
ID=81719599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210254435.3A Active CN114562121B (en) | 2022-03-15 | 2022-03-15 | Process for reinforcing inner support frame of ancient building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114562121B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2563557A1 (en) * | 1984-04-26 | 1985-10-31 | Gary Jean Pierre | Method for converting a truss and means for implementing this method |
| JPH1037314A (en) * | 1996-07-18 | 1998-02-10 | Susumu Nakatani | Building and construction method therefor |
| JP2014034812A (en) * | 2012-08-09 | 2014-02-24 | Toyota Home Kk | Method for reinforcing roof of building |
| CN105672482A (en) * | 2016-01-29 | 2016-06-15 | 浙江水利水电学院 | Large-span historic building roof surface repair jacking device and construction method |
| CN209457434U (en) * | 2019-01-02 | 2019-10-01 | 北京擎屹古建筑有限公司 | A kind of roof mounting structure of rehabilitating historic building |
| CN112081249A (en) * | 2020-08-03 | 2020-12-15 | 上海建工一建集团有限公司 | Roof integral jacking system and roof integral jacking method |
| CN112110327A (en) * | 2020-10-13 | 2020-12-22 | 广东潮鑫建设工程有限公司 | Integral lifting device for ancient building ridge |
| CN112376920A (en) * | 2020-12-09 | 2021-02-19 | 刘琛 | Splicing, installing and constructing method for large-span steel structure building roof |
| CN214786238U (en) * | 2021-06-04 | 2021-11-19 | 浙江风土工程设计有限公司 | Wood column fixing device used in maintenance of ancient buildings |
| CN215101546U (en) * | 2021-04-02 | 2021-12-10 | 北京交通大学 | Chinese ancient architecture pavilion maintenance and roof lifting device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8876455B2 (en) * | 2005-01-13 | 2014-11-04 | Richard W. Pogue | Pull and lift system for transporting roofing materials |
-
2022
- 2022-03-15 CN CN202210254435.3A patent/CN114562121B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2563557A1 (en) * | 1984-04-26 | 1985-10-31 | Gary Jean Pierre | Method for converting a truss and means for implementing this method |
| JPH1037314A (en) * | 1996-07-18 | 1998-02-10 | Susumu Nakatani | Building and construction method therefor |
| JP2014034812A (en) * | 2012-08-09 | 2014-02-24 | Toyota Home Kk | Method for reinforcing roof of building |
| CN105672482A (en) * | 2016-01-29 | 2016-06-15 | 浙江水利水电学院 | Large-span historic building roof surface repair jacking device and construction method |
| CN209457434U (en) * | 2019-01-02 | 2019-10-01 | 北京擎屹古建筑有限公司 | A kind of roof mounting structure of rehabilitating historic building |
| CN112081249A (en) * | 2020-08-03 | 2020-12-15 | 上海建工一建集团有限公司 | Roof integral jacking system and roof integral jacking method |
| CN112110327A (en) * | 2020-10-13 | 2020-12-22 | 广东潮鑫建设工程有限公司 | Integral lifting device for ancient building ridge |
| CN112376920A (en) * | 2020-12-09 | 2021-02-19 | 刘琛 | Splicing, installing and constructing method for large-span steel structure building roof |
| CN215101546U (en) * | 2021-04-02 | 2021-12-10 | 北京交通大学 | Chinese ancient architecture pavilion maintenance and roof lifting device |
| CN214786238U (en) * | 2021-06-04 | 2021-11-19 | 浙江风土工程设计有限公司 | Wood column fixing device used in maintenance of ancient buildings |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114562121A (en) | 2022-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9016025B2 (en) | Constructing method for concrete cylinder of construction steel bar of high-rise steel structure | |
| CN111997342B (en) | Cantilever framework supporting structure protruding out of building and construction method thereof | |
| CN107724671B (en) | Integral type sliding formwork system and construction method thereof | |
| CN114562121B (en) | Process for reinforcing inner support frame of ancient building | |
| CN210797883U (en) | Super-huge steel structure supporting framework | |
| CN209907972U (en) | Conversion frame for longitudinal and transverse conversion of precast concrete exterior wall cladding | |
| CN110700418B (en) | Construction process for mounting laminated slab by matching laminated slab mounting trolley with tower crane | |
| CN210263832U (en) | Movable cantilever platform | |
| CN217148358U (en) | Linear steel structure lifting device for telescopic narrow space | |
| CN212671805U (en) | Split type hydraulic trolley | |
| CN111997345B (en) | Lifting scaffold hangs hoist system upside down | |
| CN114775982A (en) | Lifting moving trolley for high-wall scaffold and construction method | |
| CN209907435U (en) | Pipe rack platform truck for comprehensive pipe rack building construction | |
| CN212359071U (en) | Lifting operation platform for construction of inclined column decorative surface layer | |
| CN217756798U (en) | Power station boiler platform supporting beam | |
| CN218438346U (en) | Novel platform of unloading for building | |
| CN212053692U (en) | Scaffold for building engineering | |
| CN113737652B (en) | Temporary supporting structure for simply supported channel beam | |
| CN214168805U (en) | Novel movable lifting formwork support system | |
| CN220365277U (en) | Device for assisting in translation of hanging basket | |
| CN217781734U (en) | Auxiliary construction device for prefabricated anti-collision wall | |
| CN214328532U (en) | Bridge panel erecting device for municipal works | |
| CN212534978U (en) | Movable scaffold | |
| CN210480655U (en) | Assembled daylighting top glass hoisting machine | |
| CN217949116U (en) | Cushion cap template that efficiency of construction is high |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |