CN115162696A - Cantilever structure and construction method - Google Patents
Cantilever structure and construction method Download PDFInfo
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- CN115162696A CN115162696A CN202211014075.6A CN202211014075A CN115162696A CN 115162696 A CN115162696 A CN 115162696A CN 202211014075 A CN202211014075 A CN 202211014075A CN 115162696 A CN115162696 A CN 115162696A
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- plate
- cantilever beam
- building floor
- cantilever
- movable rod
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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
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/18—Scaffolds essentially supported by building constructions, e.g. adjustable in height supported by cantilevers or other provisions mounted in openings in the building, e.g. window openings
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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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/006—Scaffold with cantilevered sections, e.g. to accommodate overhangs or recesses in the facade
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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
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/04—Means for fastening, supporting, or bracing scaffolds on or against building constructions
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Abstract
The application relates to an overhanging structure, relating to the technical field of building construction; the cantilever beam slab comprises a cantilever beam slab and a clamping plate, wherein a building floor slab connected with the cantilever beam slab is arranged below the cantilever beam slab, one end of the cantilever beam slab is attached to the upper surface of the building floor slab, the other end of the cantilever beam slab is positioned outside the building floor slab, the clamping plate is positioned below the cantilever floor slab and positioned outside the building floor slab, one end of the cantilever beam slab positioned inside the building floor slab is rotatably connected with a trigger rod, a driving assembly is further arranged in the cantilever beam slab and used for driving the clamping plate to move downwards firstly and then rotate to a position attached to the lower surface of the building floor slab when the trigger rod rotates; this application has the effect that improves the installation security of cantilever beam board.
Description
Technical Field
The application relates to the technical field of building construction, in particular to an overhanging structure and a construction method.
Background
The structure of encorbelmenting utilizes the effect that cable structure or other structures reached to the building element, and this kind of structure is from major structure cantilever roof beam or board, forms cantilever structure to play the effect of support.
Chinese patent with related application publication No. CN113356551A discloses a cantilever structure, including cantilever beam and depression bar, the one end laminating in the diapire of building floor of cantilever beam, the other end extends outside building floor, the depression bar laminating sets up on building floor's roof, the depression bar is connected with cantilever beam through first connecting piece, when constructor builds the building cantilever frame outward, with the laminating of cantilever beam in building floor diapire, reuse depression bar laminating building floor roof, and use first connecting piece to be connected depression bar and cantilever beam fixedly, make the cantilever beam extend outside building floor.
In view of the above-mentioned related art, the inventor found that when a constructor performs an operation of "attaching a cantilever beam to a bottom wall of a building floor", the constructor needs to stand at a position close to an outer edge of the building floor, and when the constructor is in a high-rise building, the operation increases a risk that the constructor carelessly drops from an edge of the building floor, so that a construction risk of the cantilever structure is high, and thus improvement is needed.
Disclosure of Invention
In order to improve the technical problem that the construction risk of an overhanging structure is high in the related art, the application provides the overhanging structure and the construction method.
The application provides a structure of encorbelmenting adopts following technical scheme:
the utility model provides a structure of encorbelmenting, is including cantilever beam board and joint board, cantilever beam board below is provided with and is used for the building floor that links to each other with the cantilever beam board, cantilever beam board wherein one end laminating in building floor upper surface, the other end is located building floor outside, the joint board is located cantilever floor below and is located building floor outside, the one end that cantilever beam board is located building floor inside department rotates and is connected with the trigger lever, still be provided with drive assembly in the cantilever beam board, drive assembly is used for when the trigger lever rotates, and drive joint board moves down earlier and then shifts to the position of laminating in building floor lower surface department.
By adopting the technical scheme, when the cantilever beam slab is installed, one end of the cantilever beam slab is laid on the upper surface of the building floor slab, one end of the cantilever beam slab with the clamping plate is pushed out of the building floor slab, then the trigger rod is rotated, the driving assembly drives the clamping plate to move downwards to the height that the upper surface of the clamping plate is flush with the lower surface of the building floor slab, and then the clamping plate is rotated to the position attached to the lower surface of the building floor slab, so that the clamping installation of the cantilever beam slab and the building floor slab is realized.
Preferably, a cavity for placing a driving assembly is formed in the cantilever beam plate, and the driving assembly comprises a movable rod, a linkage block, a connecting rope, a driven ring plate and a linkage piece; one end of the movable rod penetrates through the cantilever beam plate and is connected with the clamping and connecting plate, the linkage block is arranged on the side wall of the movable rod, a sliding groove for the linkage block to insert is formed in the inner wall of the cavity along the height direction of the inner wall of the cavity, and the sliding groove is communicated with the cavity; the driven ring plate is sleeved outside the movable rod, and the surface of the driven ring plate is provided with a slot for inserting the linkage block; one end of the connecting rope is wound on the trigger rod, the other end of the connecting rope penetrates through the cantilever beam plate and is connected to the clamping plate, and the linkage piece is used for driving the driven ring plate to rotate after the linkage piece is inserted into the slot and when the trigger rod rotates.
By adopting the technical scheme, before the cantilever beam is installed, the connecting rope is wound on the movable rod, the clamping plate is attached to the lower side of the cantilever beam plate under the action of the tensile force of the connecting rope, the linkage block is located in the sliding groove, after the cantilever beam plate is installed to a specified position, the trigger rod is rotated to release the connecting rope, the clamping plate drives the movable rod to move downwards under the action of self weight, the linkage block moves downwards along with the movable rod and plays a role in preventing the movable rod from rotating, when the clamping plate moves downwards to a position where the upper surface of the clamping plate is flush with the upper surface of a building floor slab, the linkage block just breaks away from the sliding groove and is inserted into the slot, the trigger rod continues to be rotated, the linkage piece drives the driven annular plate to rotate along with the driven annular plate at the moment, correspondingly, the movable rod rotates along with the driven annular plate, and the clamping plate is driven to be attached to the lower surface of the building floor slab.
Preferably, the linkage comprises a driving gear sleeved on the trigger rod, a sliding plate with tooth grooves, and a driven gear sleeved on the peripheral wall of the driven ring plate, the tooth grooves on the sliding plate comprise a first tooth groove and a second tooth groove, the first tooth groove is meshed with the peripheral wall of the driving gear, and the second tooth groove is meshed with the peripheral wall of the driven gear when the sliding plate slides to the driven ring plate.
Through adopting above-mentioned technical scheme, rotate and release at the trigger bar and connect the in-process of rope, the slide moves towards the direction that is close to driven gear under the drive of first tooth's socket and driving gear, and before the linkage piece inserts the slot, the second tooth's socket does not mesh with the tooth piece of driven gear perisporium mutually, after the linkage piece inserts the slot, continue to rotate the trigger bar, second tooth's socket on the slide this moment just can mesh with the driven gear perisporium mutually, and drive driven gear rotation in the process that the slide continues to remove, then drive the driven crown plate, movable rod and joint plate rotate.
Preferably, the driving assembly further comprises magnet pieces arranged on the surfaces of the sliding plate and the driven ring plate, and an adsorption iron piece embedded in the inner wall of the cavity and magnetically attracted with the magnet pieces.
Through adopting above-mentioned technical scheme, the stable rotation of driven crown plate and the stable sliding of slide can be realized to setting up of magnet piece and absorption iron sheet, reduces the random rotation of driven crown plate or the skew of slide to in the linkage piece can insert the slot smoothly, also can ensure the slide simultaneously and stably slide along the assigned route, guarantee that the second tooth groove on the slide can mesh with driven gear mutually smoothly.
Preferably, the lower surface of the cantilever beam plate is connected with a reinforcing plate in a sliding manner, a abdicating notch for the movable rod to insert is formed in the side wall of the reinforcing plate facing the movable rod, a moving piece is further arranged inside the cantilever beam plate, and the moving piece is used for driving the reinforcing plate to slide in the direction close to the movable rod and to be attached to the peripheral wall of the movable rod when the driven gear rotates.
Through adopting above-mentioned technical scheme, after the linkage piece inserts in the slot, can drive the reinforcing plate through the moving member and remove to make the reinforcing plate remove to the position of laminating in building floor border, the reinforcing plate wherein the lateral wall of one side is laminated in the movable rod perisporium this moment, opposite side wall laminating in overhanging beam slab lower surface, in order to play the effect that supports overhanging beam slab, reduce to encorbelment the floor and appear buckling or even cracked condition with the junction of movable rod, also can play the effect of stalling to the movable rod simultaneously.
Preferably, the moving member is a rack, the moving member is connected in the cavity in a sliding manner, the sliding direction of the moving member is parallel to that of the sliding plate, the moving member is meshed with the driven gear, and the other end of the moving member penetrates through the cantilever beam plate and is connected to the reinforcing plate.
Through adopting above-mentioned technical scheme, when driven gear rotated, the moving member will drive the reinforcing plate and slide under driven gear's transmission to finally slide to the position of laminating in building floor lateral wall, realize the convenient drive that slides the reinforcing plate.
As preferred, the one end that the joint board department was kept away from to the movable rod still is provided with the buttcover plate, buttcover plate lateral wall and joint board lateral wall all slide and are connected with the inserted bar, buttcover plate and joint board lateral wall still are provided with and are used for supplying the inserted bar on adjacent buttcover plate and the joint board to insert the sleeve pipe of establishing, the sleeve pipe sets up with the inserted bar one-to-one, still including being used for driving the inserted bar and inserting the intraductal plug connector of corresponding cover.
Through adopting above-mentioned technical scheme, after accomplishing the joint of joint board and building floor, connect adjacent butt joint board, adjacent joint board through the plug connector to the realization is encorbelmented the overlap joint of structure, strengthens the connection stability, also can realize ending of movable rod simultaneously and change.
As preferred, butt-joint plate length direction parallels with joint board length direction, the plug connector includes link and locking bolt, the inside cavity that supplies the link to slide of offering jointly of butt-joint plate, joint board and movable rod, just the direction of sliding of link is on a parallel with the length direction of plug rod, locking bolt threaded connection is in the butt-joint plate lateral wall, just the locking bolt is used for supporting and presses the link so that the plug rod inserts in the cover pipe on the adjacent cantilever beam board.
Through adopting above-mentioned technical scheme, the locking bolt is twisted soon to the screw to make the locking bolt remove towards the direction that is close to the link, and then make locking bolt butt link and with the link butt joint inboard, the inserted bar that links to each other with the link this moment will remove and insert in the sleeve of adjacent butt joint inboard along with the link together.
Preferably, the plug connector still includes reset spring, the hole of stepping down that supplies the link to run through is seted up to the buttjunction plate lateral wall, reset spring cup joints on the link, just reset spring wherein one end is connected in the link lateral wall, and the other end is connected in the downthehole wall of stepping down, the flexible direction of reset spring is on a parallel with inserted bar length direction, reset spring is used for when the link does not receive the locking bolt to support and press, drives the link and runs through the buttjunction plate.
Through adopting above-mentioned technical scheme, when the locking bolt not butt link, one of them side protrusion of link is outside in the buttjunction plate, therefore reset spring's setting can play the effect of restoring to the throne to the structure of encorbelmenting can be dismantled and the cyclic utilization of the structure of encorbelmenting is realized to the later stage.
The application also discloses a construction method of the cantilever structure, which comprises the following steps:
the cantilever beam plate is flatly paved on the upper surface of the building floor slab, so that one end of the clamping and connecting plate is positioned outside the building floor slab;
the trigger rod is rotated to enable the clamping plate to move downwards under the action of self weight, and the driving assembly drives the clamping plate to rotate towards the direction close to the building floor slab and is in a state that the upper surface of the clamping plate is attached to the lower surface of the building floor slab;
inserting the butt joint plate and the insertion rod on the clamping plate into the sleeve on the cantilever beam plate to be adjacent through the insertion piece, and completing the assembly of the cantilever beam plate
In summary, the present application includes at least one of the following beneficial technical effects:
1. during installation, one end of the cantilever beam plate is laid on the upper surface of a building floor slab, one end of the cantilever beam plate, which is provided with the clamping plate, is pushed out of the building floor slab, then the trigger rod is rotated, at the moment, the driving assembly drives the clamping plate to firstly move downwards to the height that the upper surface of the clamping plate is flush with the lower surface of the building floor slab, and then the clamping plate is rotated to the position attached to the lower surface of the building floor slab, so that the clamping installation of the cantilever beam plate and the building floor slab is realized;
2. after the clamping connection plate and the building floor slab are clamped, the adjacent opposite connection plate and the adjacent clamping connection plate are connected through the plug connectors, so that the overlapping of the cantilever structures is realized, the connection stability is enhanced, and the rotation stopping of the movable rods can be realized;
drawings
Fig. 1 is a schematic diagram of a corresponding cantilever structure used to embody pre-assembly in an embodiment.
Fig. 2 is a schematic diagram of a corresponding cantilever structure used for embodying the assembled structure in the embodiment.
Fig. 3 is a sectional view for embodying the internal structure of the cantilever beam plate in the embodiment.
Fig. 4 is a cross-sectional view of a linkage structure for embodying a cavity in an embodiment.
Fig. 5 is a sectional view showing a structure of a connecting frame and a plunger in the embodiment.
FIG. 6 is a schematic diagram of an embodiment of a connector structure.
Description of reference numerals: 1. building a floor slab; 2. a cantilever beam plate; 21. a cavity; 211. a chute; 22. a drive assembly; 221. a movable rod; 222. a linkage block; 223. connecting ropes; 224. a driven ring plate; 2241. a slot; 225. a linkage; 2251. a driving gear; 2253. a slide plate; 2256. a driven gear; 2254. a first tooth slot; 2255. a second tooth slot; 226. a magnet piece; 227. adsorbing iron sheets; 23. a reinforcing plate; 231. a abdication gap; 24. a trigger lever; 25. a moving member; 252. a linkage rod; 3. a clamping plate; 4. a butt plate; 41. a chamber; 42. a hole of abdication; 43. a sleeve; 5. a plug-in unit; 51. a connecting frame; 511. a rod is inserted; 52. locking the bolt; 521. pressing the plate; 53. a return spring.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses a structure of encorbelmenting. Referring to fig. 1, 2 and 3, the cantilever structure is installed on a building floor slab 1, the cantilever structure comprises a cantilever beam plate 2 and a clamping plate 3, one end of the cantilever beam plate 2 is attached to the upper surface of the building floor slab 1, the other end of the cantilever beam plate is located outside the building floor slab 1, and the clamping plate 3 is arranged below the cantilever beam plate 2 and located outside the building floor slab 1; the one end that cantilever beam board 2 is located 1 inside department of building floor rotates and is connected with trigger lever 24, and cantilever beam board 2 is inside still to be provided with drive assembly 22, and drive assembly 22 is used for when trigger lever 24 rotates, and drive joint board 3 moves down earlier and then shifts to the position of laminating in 1 lower surface department of building floor to realize installing with the joint of building floor 1 through cantilever beam board 2 and joint board 3.
Referring to fig. 2, 3 and 4, a cavity 21 is formed in the cantilever beam plate 2, the driving assembly 22 is located in the cavity 21, and the driving assembly 22 includes a movable rod 221, a link block 222, a connecting rope 223, a driven ring plate 224 and a link 225; the linkage 225 includes a drive gear 2251, a sled 2253 with splines, and a driven gear 2256; the upper end of the movable rod 221 is vertically and integrally formed with a butt plate 4, the lower end of the movable rod 221 penetrates through the cantilever beam plate 2 and is integrally formed on the upper surface of the clamping plate 3, the length direction of the butt plate 4 is parallel to the length direction of the clamping plate 3, the movable rod 221, the butt plate 4 and the clamping plate 3 are connected to form a Z shape, and the linear distance between the lower surface of the butt plate 4 and the upper surface of the clamping plate 3 is just equal to the sum of the thickness of the cantilever beam plate 2 and the thickness of the building floor slab 1; the height direction of the movable rod 221 is parallel to the thickness direction of the cantilever beam plate 2, and the movable rod 221 can slide along the height direction of the cavity 21 and can also rotate in the cavity 21.
Referring to fig. 2, 3 and 4, the linkage block 222 is integrally formed on the side wall of the movable rod 221, a sliding groove 211 for the linkage block 222 to be inserted is formed in the inner wall of the cavity 21, and the sliding groove 211 is formed along the height direction of the cavity 21; the driven ring plate 224 is sleeved outside the movable rod 221, and the driven ring plate 224 and the movable rod 221 are coaxially arranged; the upper surface of the driven annular plate 224 is provided with a slot 2241 for the linkage block 222 to be inserted, and the driven gear 2256 is fixedly sleeved on the peripheral wall of the driven annular plate 224; one end of the connecting rope 223 winds around the peripheral wall of the trigger lever 24, the other end of the connecting rope 223 penetrates through the cantilever beam plate 2 and is fixedly bound on the side wall of the clamping plate 3, the connecting rope 223 winds around the trigger lever 24 by rotating the trigger lever 24, the clamping plate 3 moves up under the pulling of the connecting rope 223 and is attached to the lower surface of the cantilever beam plate 2, and when the trigger lever 24 is rotated to enable the connecting rope 223 to be released from the trigger lever 24, the clamping plate 3 moves down under the action of self weight.
Referring to fig. 3 and 4, the driving gear 2251 is fixedly secured to the trigger bar 24, the tooth spaces on the slide 2253 include a first tooth space 2254 and a second tooth space 2255, the driving gear 2251 is always engaged with the first tooth space 2254 on the slide 2253, and the second tooth space 2255 on the slide 2253 is adapted to engage the driven gear 2256 when the slide 2253 is moved to the position of the driven gear 2256; when the trigger lever 24 is rotated to move the latch plate 3 downward, the sliding plate 2253 moves toward the direction close to the driven ring plate 224, the movable lever 221 and the linkage block 222 will also move downward under the driving of the latch plate 3 until the linkage block 222 is inserted into the slot 2241, at this time, the trigger lever 24 continues to rotate, the second slot 2255 on the sliding plate 2253 is engaged with the driven gear 2256 and drives the driven ring plate 224 and the movable lever 221 to rotate, and at this time, the latch plate 3 will rotate to the position attached to the lower surface of the building floor 1 by taking the movable lever 221 as the center under the driving of the movable lever 221.
Referring to fig. 3 and 4, the driving assembly 22 further includes a magnet piece 226 and an absorption iron piece 227, the magnet piece 226 is fixedly embedded in the bottom wall of the sliding plate 2253 and the bottom wall of the driven ring plate 224, the absorption iron piece 227 is fixedly embedded in the bottom wall of the cavity 21 near the sliding plate 2253 and the driven ring plate 224, and the absorption iron piece 227 is magnetically absorbed to the magnet piece 226 to limit the moving path of the sliding plate 2253 and limit the random rotation of the driven ring plate 224.
Referring to fig. 3 and 4, the lower surface of the cantilever beam plate 2 is further connected with a reinforcing plate 23 in a sliding manner along the length direction of the cantilever beam plate 2, the cross section of the reinforcing plate 23 is triangular, a abdicating notch 231 for the insertion of the movable rod 221 is formed in the side wall of the reinforcing plate 23 facing the movable rod 221, a moving member 25 is further arranged in the cantilever beam plate 2, the moving member 25 is a rack, the moving member 25 is always engaged with a driven gear 2256, the other end of the moving member 25 penetrates through the cantilever beam plate 2 and is welded to the upper surface of the reinforcing plate 23, when the driven gear 2256 rotates, the moving member 25 slides along the direction parallel to the length direction of the cantilever beam plate 2, so as to drive the driving reinforcing plate 23 to slide towards the direction close to the movable rod 221, and enable the movable rod 221 to be inserted into the abdicating notch 231.
Referring to fig. 5 and 6, the cantilever structure further includes a plug connector 5, the plug connector 5 includes a connecting frame 51, a locking bolt 52 and a return spring 53, a cavity 41 for the connecting frame 51 to slide is jointly formed inside the movable rod 221, the clamping plate 3 and the butt plate 4, the connecting frame 51 can slide along the width direction of the cavity 41, a plurality of plug rods 511 are vertically welded on the side walls of the connecting frame 51 located at the clamping plate 3 and the butt plate 4, and the plug rods 511 penetrate through the butt plate 4 or the clamping plate 3; the clamping plate 3 and the side wall of the butt plate 4 are also vertically welded with sleeves 43, the sleeves 43 are arranged in one-to-one correspondence with the insertion rods 511, and the sleeves 43 are used for inserting the insertion rods 511 on the adjacent cantilever beam plates 2.
Referring to fig. 5 and 6, a yielding hole 42 is formed in the side wall of the docking plate 4 close to the connecting frame 51, one side of the connecting frame 51 close to the docking plate 4 penetrates through the yielding hole 42 and extends to the outside of the docking plate 4, the return spring 53 is sleeved on the side wall of the connecting frame 51 penetrating through the yielding hole 42, one end of the return spring 53 is welded to the side wall of the connecting frame 51, and the other end of the return spring 53 is welded to the inner wall of the yielding hole 42; the locking bolt 52 is in threaded connection with the side wall of the butt plate 4, the pressing plate 521 is welded at the end of the screw of the locking bolt 52, the pressing plate 521 is located on an extension line of the yielding hole 42 in the length direction, and when the locking bolt 52 is screwed to enable the pressing plate 521 to move towards the direction close to the yielding hole 42, the pressing plate 521 fully inserts the connecting frame 51 into the butt plate 4, so that the inserting rod 511 is inserted into the sleeve 43 of the adjacent cantilever beam plate 2.
The implementation principle of the cantilever structure in the embodiment of the application is as follows: before the cantilever beam plate 2 is installed, the trigger lever 24 can be turned over to enable the clamping plate 3 to be attached to the lower surface of the cantilever beam plate 2, a bolt and other structures can be additionally arranged, and an inserting rod 511 on the bolt penetrates through the trigger lever 24 to achieve rotation stopping of the trigger lever 24;
during installation, one end, provided with the clamping plate 3, of the cantilever beam plate 2 extends out of the building floor slab 1, the other end of the cantilever beam plate 2 is laid on the upper surface of the building floor slab 1, the position of the movable rod 221 is just positioned outside the building floor slab 1 close to the edge, then the trigger rod 24 is rotated to enable the clamping plate 3 to move downwards, the linkage block 222 is inserted into the slot 2241, then the trigger rod 24 is continuously rotated, the second tooth groove 2255 in the sliding plate 2253 is meshed with the driven gear 2256 to drive the movable rod 221 to rotate, at the moment, the clamping plate 3 and the butt plate 4 rotate by taking the movable rod 221 as the center, after the butt plate 4 rotates to 180 degrees, the rotation of the trigger rod 24 is stopped, at the moment, the clamping plate 3 is just rotated to be in a state of being attached to the lower surface of the building floor slab 1, and installation of the cantilever beam plate 2 on the building floor slab 1 is realized;
finally, another cantilever beam plate is installed on one side of the cantilever beam plate 2 after installation is completed, and then the locking bolt 52 is screwed so that the connecting frame 51 drives the insertion rod 511 to move to penetrate through the butt plate 4 or the clamping plate 3 and to be inserted into the sleeve 43 on the adjacent cantilever beam plate 2, so that connection between the connected cantilever beam plates 2 is realized.
The embodiment of the application also discloses a construction method of the cantilever structure, which comprises the following steps:
flatly paving the cantilever beam plate 2 on the upper surface of the building floor slab 1 so that one end of the clamping plate 3 is positioned outside the building floor slab 1;
the trigger rod 24 is rotated to enable the clamping plate 3 to move downwards under the action of self weight, and the driving assembly 22 drives the clamping plate 3 to rotate towards the direction close to the building floor slab 1 and is in a state that the upper surface of the clamping plate 3 is attached to the lower surface of the building floor slab 1;
inserting the insertion rods 511 on the butt joint plate 4 and the clamping plate 3 into sleeves on the adjacent cantilever beam plates 2 through the insertion pieces 5 to complete the assembly of the cantilever beam plates 2.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a structure of encorbelmenting which characterized in that: including cantilever beam slab (2) and joint board (3), cantilever beam slab (2) below is provided with and is used for building floor (1) continuous with cantilever beam slab (2), cantilever beam slab (2) wherein one end laminating in building floor (1) upper surface, the other end is located building floor (1) outside, joint board (3) are located cantilever floor below and are located building floor (1) outside, cantilever beam slab (2) are located the one end rotation of building floor (1) inside department and are connected with trigger lever (24), still be provided with drive assembly (22) in cantilever beam slab (2), drive assembly (22) are used for when trigger lever (24) rotate, and drive joint board (3) move down earlier to the position of laminating in building floor (1) lower surface department again.
2. The cantilever structure of claim 1, wherein: a cavity (21) for placing a driving assembly (22) is formed in the cantilever beam plate (2), and the driving assembly (22) comprises a movable rod (221), a linkage block (222), a connecting rope (223), a driven annular plate (224) and a linkage piece (225); one end of the movable rod (221) penetrates through the cantilever beam plate (2) and is connected with the clamping plate (3), the linkage block (222) is arranged on the side wall of the movable rod (221), a sliding groove (211) for the linkage block (222) to insert is formed in the inner wall of the cavity (21) along the height direction of the inner wall, and the sliding groove (211) is communicated with the cavity (21); the driven ring plate (224) is sleeved outside the movable rod (221), and the surface of the driven ring plate (224) is provided with a slot (2241) for the linkage block (222) to insert; wherein one end of the connecting rope (223) is wound on the trigger lever (24), the other end of the connecting rope penetrates through the cantilever beam plate (2) and is connected to the clamping plate (3), and the linkage piece (225) is used for driving the driven ring plate (224) to rotate after the linkage piece (222) is inserted into the slot (2241) and when the trigger lever (24) rotates.
3. The cantilever structure of claim 2, wherein: the linkage (225) comprises a driving gear (2251) sleeved on the trigger rod (24), a sliding plate (2253) with tooth grooves and a driven gear (2256) sleeved on the peripheral wall of the driven ring plate (224), wherein the tooth grooves on the sliding plate (2253) comprise a first tooth groove (2254) and a second tooth groove (2255), the first tooth groove (2254) is meshed with the peripheral wall of the driving gear (2251), and the second tooth groove (2255) is used for being meshed with the peripheral wall of the driven gear (2256) when the sliding plate (2253) slides to the driven ring plate (224).
4. The cantilever structure of claim 3, wherein: the driving assembly (22) further comprises a magnet piece (226) arranged on the surface of the sliding plate (2253) and the surface of the driven ring plate (224), and an adsorption iron piece (227) embedded in the inner wall of the cavity (21) and magnetically adsorbed to the magnet piece (226).
5. The cantilever structure of claim 3, wherein: cantilever beam board (2) lower surface still slides and is connected with reinforcing plate (23), abdicating breach (231) that supply movable rod (221) to insert the establishment are offered towards the lateral wall of movable rod (221) department in reinforcing plate (23), cantilever beam board (2) inside still is provided with moving member (25), moving member (25) are used for when driven gear (2256) rotate, and drive reinforcing plate (23) slide and slide to laminating in movable rod (221) perisporium towards the direction that is close to movable rod (221).
6. The cantilever structure of claim 5, wherein: the moving piece (25) is a rack, the moving piece (25) is connected in the cavity (21) in a sliding mode, the sliding direction of the moving piece (25) is parallel to the sliding direction of the sliding plate (2253), the moving piece (25) is connected to the driven gear (2256) in a meshing mode, and the other end of the moving piece (25) penetrates through the cantilever beam plate (2) and is connected to the reinforcing plate (23).
7. The cantilever structure of claim 2, wherein: one end that chucking board (3) department was kept away from in movable rod (221) still is provided with buttcover plate (4), buttcover plate (4) lateral wall and chucking board (3) lateral wall all slide and be connected with inserted bar (511), inserted bar (511) that buttcover plate (4) and chucking board (3) lateral wall still are provided with and are used for supplying on adjacent buttcover plate (4) and chucking board (3) insert sleeve pipe (43) of establishing, sleeve pipe (43) set up with inserted bar (511) one-to-one, still insert plug connector (5) in corresponding sleeve pipe (43) including being used for driving inserted bar (511).
8. The cantilever structure of claim 7, wherein: butt-joint plate (4) length direction parallels with joint plate (3) length direction, plug connector (5) are including link (51) and locking bolt (52), inside cavity (41) that supplies link (51) to slide of offering jointly of butt-joint plate (4), joint plate (3) and movable rod (221), just the direction of sliding of link (51) is on a parallel with the length direction of inserted bar (511), locking bolt (52) threaded connection is in butt-joint plate (4) lateral wall, just locking bolt (52) are used for pressing link (51) so that inserted bar (511) insert sleeve pipe (43) on the adjacent cantilever beam board (2) of hanging in.
9. The cantilever structure of claim 8, wherein: plug connector (5) still include reset spring (53), offer the hole of stepping down (42) that supplies link (51) to run through to splice plate (4) lateral wall, reset spring (53) cup joint on link (51), just reset spring (53) wherein one end is connected in link (51) lateral wall, and the other end is connected in hole of stepping down (42) inner wall, reset spring (53) flexible direction is on a parallel with inserted bar (511) length direction, reset spring (53) are used for when link (51) do not receive locking bolt (52) to support and press, drive link (51) and run through splice plate (4).
10. A construction method of an overhanging structure is characterized in that: the method comprises the following steps:
the cantilever beam plate (2) is paved on the upper surface of the building floor slab (1) so that one end of the clamping plate (3) is positioned outside the building floor slab (1);
the trigger rod (24) is rotated, so that the clamping plate (3) moves downwards under the action of self weight, the driving assembly (22) drives the clamping plate (3) to rotate towards the direction close to the building floor (1) and the upper surface of the clamping plate (3) is in a state of being attached to the lower surface of the building floor (1);
inserting the butt joint plate (4) and the inserting rod (511) on the clamping plate (3) into the sleeve on the cantilever beam plate (2) through the inserting piece (5), and completing the assembly of the cantilever beam plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211014075.6A CN115162696A (en) | 2022-08-23 | 2022-08-23 | Cantilever structure and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211014075.6A CN115162696A (en) | 2022-08-23 | 2022-08-23 | Cantilever structure and construction method |
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| Publication Number | Publication Date |
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| CN115162696A true CN115162696A (en) | 2022-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211014075.6A Withdrawn CN115162696A (en) | 2022-08-23 | 2022-08-23 | Cantilever structure and construction method |
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| Country | Link |
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| CN (1) | CN115162696A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115653273A (en) * | 2022-11-03 | 2023-01-31 | 中建八局第二建设有限公司 | Large-span support device that encorbelments |
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2022
- 2022-08-23 CN CN202211014075.6A patent/CN115162696A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115653273A (en) * | 2022-11-03 | 2023-01-31 | 中建八局第二建设有限公司 | Large-span support device that encorbelments |
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Application publication date: 20221011 |
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