Method for constructing fully-prefabricated floor partially-overlapped abutted seam and component of fully-prefabricated floor partially-overlapped abutted seam

Abstract

The invention relates to the technical field of building components, and discloses a method and component for constructing a fully-prefabricated floor partially-overlapped abutted seam, the component comprises a main structure steel beam and two prefabricated floors, a cast-in-place groove is formed between the two prefabricated floors, and a plurality of first inserting grooves are formed in the opposite inner sides of the two prefabricated floors; a first inserting plate is inserted between the two opposite first inserting grooves, a connecting rod is arranged on the first inserting plate, the first inserting plate is slidably connected to the connecting rod, one end of the connecting rod is in threaded connection with a baffle ring, and the other end of the connecting rod is in threaded connection with a pressing ring; two rows of second inserting plates are mounted at the top of the main structure steel beam, a row of second inserting grooves are formed in the bottom of each prefabricated floor slab, and two sets of fixing devices are mounted below the first inserting plates; each fixing device comprises a rack, a reset assembly and a driving mechanism. A first through hole for the rack to slide is formed in one side of the first inserting groove, and a connecting groove is formed in the side, close to the rack, of the second inserting plate. The construction period can be shortened.

Description

Technical Field

[0001] The present application relates to the technical field of building components, and in particular to a method for constructing partially overlapped joints of fully prefabricated floor slabs and components thereof. Background Art

[0002] At present, in infrastructure construction, splicing of fully prefabricated floor slabs is an important basic construction content. The commonly used joint construction method is mainly the superimposed cast-in-place method, which is characterized by the prefabricated floor slabs having reinforcement bars (commonly known as beard bars) in the joint area, and a strip-shaped superimposed cast-in-place layer of about 60 mm thick is reserved. The reinforcement bars on both sides are tied on site and then poured to form a spliced ​​whole. The horizontal steel bars are tied and interconnected to form a splicing seam with left and right traction, longitudinal limit, and concrete filling limit. The splicing reliability is significantly better than the sealant filling method, so it is currently more popular.

[0003] However, currently, a large amount of steel bars need to be tied when two prefabricated floor slabs are spliced ​​together, which will extend the construction period. Summary of the invention

[0004] The present application provides a method for constructing a partially overlapped joint component for a fully prefabricated floor slab, which can shorten the construction period and adopt the following technical solution: A partially overlapped joint component for constructing a fully prefabricated floor comprises a main structural steel beam and two prefabricated floor slabs installed on the top of the main structural steel beam, a cast-in-place trough is arranged between the two prefabricated floor slabs, and a plurality of first slots are opened on the opposite inner sides of the two prefabricated floor slabs; a first plug plate is inserted between the two opposite first slots, a connecting rod is arranged on the first plug plate, the first plug plate is slidably connected to the connecting rod, one end of the connecting rod is fixedly connected to a side of the main structural steel beam close to the prefabricated floor slab and is threadedly connected to a retaining ring, and the other end is threadedly connected to a clamping ring, and the first plug plate is located between the retaining ring and the clamping ring; two rows of second plug plates are installed on the top of the main structural steel beam, and two A row of second slots is provided at the bottom of each of the prefabricated floor slabs, and a plurality of the second plug-ins are plugged into the plurality of the second slots in a one-to-one correspondence. Two groups of fixing devices for fixing the second plug-ins are installed below the first plug-ins; each group of the fixing devices comprises a rack slidably connected to the top of the main structural steel beam, a reset component installed at one end of the rack for resetting the rack, and a driving mechanism installed at the top of the main structural steel beam for driving the rack to move toward the second plug-in plate; a first through hole for the rack to slide is provided on one side of the first slot, and a connecting groove is provided on the side of the second plug-in plate close to the rack, and an end of the rack away from the reset component is plugged into the connecting groove.

[0005] By adopting the above technical solution, the first plug plate is first moved downward to connect the first plug plate to the connecting rod and the two ends of the first plug plate are respectively inserted into the two first slots, and then the top of the first plug plate is limited by the clamping ring, and then concrete is poured through the cast-in-place groove, thereby shortening the construction period; in addition, when the first plug plate moves downward, the driving mechanism inserts the rack into the connecting groove, so that the prefabricated plate can be fixedly connected to the main structure steel beam, thereby further shortening the construction period.

[0006] The cam is an assembly made of a first piece and a second piece, and the cam is connected to the first piece and a second piece is connected to the first piece, wherein the cam is connected to the first piece and a second piece is connected to the cam.

[0007] By adopting the above technical solution, in addition, the first plug plate moves downward to drive the third plug plate to move downward, the third plug plate moves downward to drive the supporting block to move downward, the supporting block moves downward to drive the first moving rod to move downward, at this time, the first moving rod drives the rotating tube to rotate under the action of the spiral block and the spiral groove, the rotation of the rotating tube drives the gear to rotate, and the rotation of the gear can drive the rack to move in the direction close to the second plug plate; in summary, the set driving mechanism is convenient for driving the rack to move in the direction close to the second plug plate.

[0008] Optionally, the reset assembly includes a second sleeve installed on the top of the main structure steel beam, a second moving rod slidably connected to the second sleeve, a second moving block fixed to one end of the second moving rod, and a second spring fixed to an end of the second moving block away from the second moving rod; one end of the second moving rod away from the second sleeve is fixed to an end of the rack away from the second plug plate; one end of the second spring away from the second moving block is fixed to the inner wall of an end of the second sleeve away from the rack.

[0009] By adopting the above technical solution, when the rack is plugged into the connecting groove, it drives the second moving rod to move, and the movement of the second moving rod drives the second moving block to move, and the movement of the second moving block stretches the second spring; when rework is required, the second moving block facilitates the resetting of the second moving rod under the action of the second spring, and the resetting of the second moving rod facilitates the resetting of the rack; in summary, the reset component set up facilitates the resetting of the rack.

[0010] Optionally, a fixing mechanism for fixing the third plug plate is installed in the horizontal plate, and the fixing mechanism includes a horizontal slot opened on one side of the third slot, a fourth plug plate slidably connected to the horizontal slot, and a horizontal spring fixed to an end of the fourth plug plate away from the third plug plate; a fourth slot is opened on a side of the third plug plate close to the fourth plug plate, the fourth plug plate is plugged into the fourth slot, and an end of the horizontal spring away from the fourth plug plate is fixed to an inner wall of one end of the horizontal slot; a first inclined surface is provided on a side of the fourth plug plate close to the bearing block; in an initial state, the fourth plug plate is blocked in the horizontal slot by the bearing block under the action of the first inclined surface, and the horizontal spring is in a compressed state.

[0011] By adopting the above technical solution, the downward movement of the bearing block can release the limit on the fourth plugboard, so that the fourth plugboard can be plugged into the fourth slot, thereby facilitating the locking of the third plugboard, thereby improving the stability of the entire device.

[0012] Optionally, an unlocking mechanism for releasing the fourth plug plate from limiting the third plug plate is installed in the third plug plate, and the unlocking mechanism includes a mounting slot provided in the third plug plate, a countersunk bolt rotatably connected to the inner wall of the mounting slot, a guide rod fixedly connected to the inner wall of the mounting slot, and a driving block threadedly connected to the countersunk bolt and slidably connected to the guide rod; the countersunk bolt is located in the gap between the first plug plate and the first slot; a second through hole connected to the fourth slot is provided on one side of the mounting slot, an unlocking block is slidably connected in the second through hole, and a first connecting rod is hinged between the driving block and the unlocking block; the unlocking block can abut against one end of the fourth plug plate away from the horizontal spring.

[0013] By adopting the above technical solution, when it is necessary to release the limit on the third plug plate, first drive the countersunk bolt to rotate through the tool, the countersunk bolt rotates to drive the driving block to move downward, the driving block moves downward to drive the first connecting rod to move, the first connecting rod moves to drive the unlocking block to move, the unlocking block movement can push the fourth plug plate into the horizontal groove, so that the limit on the third plug plate can be released; in summary, the unlocking mechanism set up is convenient for releasing the limit on the third plug plate when rework is required before pouring concrete, thereby facilitating rework.

[0014] The cam is an angular channel that is fixedly connected to the top of the third gear and is used to connect the camshaft and the camshaft to the third gear, and the camshaft is connected to the camshaft at the bottom of the third gear and the camshaft is connected to the camshaft at the bottom of the third gear.

[0015] By adopting the above technical solution, in addition, when the first plug plate moves downward, the transmission assembly drives the movable plate to move upward, and the movable plate moves upward to drive the buffer plate to move upward, which is convenient for supporting the first plug plate; in summary, the set support mechanism is convenient for supporting the first plug plate.

[0016] Optionally, the transmission assembly includes a sink groove opened on one side of the third slot, a driving plate slidably connected to the inner wall of the sink groove, and a second connecting rod hinged to the top of the driving plate; a second inclined surface is provided on the side of the driving plate close to the third plug plate, and the second inclined surface matches the side wall of the third plug plate; the end of the second connecting rod away from the driving plate is hinged to one side of the moving plate; a fourth sleeve is fixedly connected to the inner wall of the sink groove, a fourth moving rod is slidably connected in the fourth sleeve, and one end of the fourth moving rod away from the fourth sleeve is fixedly connected to the bottom of the driving plate; a fourth moving block is fixedly connected to one end of the fourth moving rod away from the driving plate, a fourth spring is fixedly connected to one end of the fourth moving block away from the fourth moving rod, and one end of the fourth spring away from the fourth moving block is fixedly connected to the inner wall of one end of the fourth sleeve.

[0017] By adopting the above technical solution, in addition, the first plug plate moves downward to drive the third plug plate to move downward, and then the third plug plate drives the driving plate to move in the direction close to the moving plate under the action of the second inclined surface, and the driving plate moves in the direction close to the moving plate to drive the second connecting rod to move, and the second connecting rod movement drives the moving plate to move upward, and the moving plate moves upward to drive the buffer plate to move upward, which makes it easier for the buffer plate to support the first plug plate; in summary, the transmission assembly set up is convenient for driving the moving plate to move upward.

[0018] The present application provides a method for constructing partially overlapped joints of a fully prefabricated floor slab, using the following technical solution: A method for constructing partially overlapped joints of a fully prefabricated floor slab comprises the following steps: First, the first plug plate is moved downward to connect the first plug plate with the connecting rod and the two ends of the first plug plate are respectively inserted into the two first slots, and then the top of the first plug plate is limited by the clamping ring, and then concrete is poured through the cast-in-place groove, thereby shortening the construction period; in addition, the first plug plate moves downward to drive the third plug plate to move downward, and the third plug plate moves downward to drive the bearing block to move downward, and the bearing block moves downward to drive the first moving rod to move downward, at this time, the first moving rod drives the rotating tube to rotate under the action of the spiral block and the spiral groove, the rotating tube rotates to drive the gear to rotate, and the gear rotates to drive the rack to move in the direction close to the second plug plate, so that the rack By plugging into the connecting groove, the prefabricated plate can be fixedly connected to the main structure steel beam, thereby further shortening the construction period; furthermore, the downward movement of the bearing block can release the limit on the fourth plug plate, so that the fourth plug plate can be plugged into the fourth slot, thereby facilitating the locking of the third plug plate; in addition, the downward movement of the first plug plate drives the third plug plate to move downward, and then the third plug plate drives the driving plate to move in the direction close to the moving plate under the action of the second inclined surface, and the driving plate moves in the direction close to the moving plate to drive the second connecting rod to move, and the movement of the second connecting rod drives the moving plate to move upward, and the upward movement of the moving plate drives the buffer plate to move upward, so that the buffer plate supports the first plug plate.

[0019] In summary, the present application includes at least one of the following beneficial technical effects: 1. First, the first plug plate is moved downward to connect the first plug plate with the connecting rod and the two ends of the first plug plate are respectively inserted into the two first slots, and then the top of the first plug plate is limited by the clamping ring, and then the concrete is poured through the cast-in-place groove, so that the construction period can be shortened; in addition, when the first plug plate moves downward, the driving mechanism inserts the rack into the connecting groove, so that the prefabricated plate can be fixedly connected with the main structure steel beam, thereby further shortening the construction period; 2. When it is necessary to release the limit of the third plug plate, first drive the countersunk bolt to rotate through a tool, the countersunk bolt rotates to drive the driving block to move downward, the driving block moves downward to drive the first connecting rod to move, the first connecting rod moves to drive the unlocking block to move, the unlocking block moves to push the fourth plug plate into the horizontal groove, so that the limit of the third plug plate can be released; in summary, the unlocking mechanism is set, when rework is required before pouring concrete, it is convenient to release the limit of the third plug plate, so as to facilitate rework; 3. In addition, when the first plug board moves downward, the transmission assembly drives the movable plate to move upward, and the movable plate moves upward to drive the buffer plate to move upward, so that it is convenient to support the first plug board; in summary, the support mechanism is set to facilitate the support of the first plug board. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application.

[0021] Figure 2 It is a structural schematic diagram highlighting the fixing device in the embodiment of the present application.

[0022] Figure 3 It is a structural schematic diagram of the highlight driving mechanism in the embodiment of the present application.

[0023] Figure 4 It is a structural schematic diagram highlighting the reset component in the embodiment of the present application.

[0024] Figure 5 It is a structural schematic diagram highlighting the connection between the first moving rod and the rotating tube in the embodiment of the present application.

[0025] Figure 6 It is a structural schematic diagram highlighting the unlocking mechanism in the embodiment of the present application.

[0026] Figure 7 It is a structural schematic diagram highlighting the support mechanism in the embodiment of the present application.

[0027] Figure numerals: 1, main structural steel beam; 11, second plug plate; 111, connecting groove; 12, cross plate; 121, third slot; 2, prefabricated floor; 21, cast-in-place slot; 22, first slot; 23, first plug plate; 231, third plug plate; 24, connecting rod; 25, retaining ring; 26, clamping ring; 27, second slot; 3, fixing device; 31, rack; 32, first through hole; 33, first sleeve; 34, first moving rod; 341, spiral block; 35, first moving block; 36, first spring; 37, rotating tube; 371, spiral groove; 38, gear; 39, bearing block; 4, reset assembly; 41, second sleeve; 42, second moving rod; 43, second moving block; 44, second spring; 5, Fixing mechanism; 51, horizontal slot; 52, fourth plug plate; 521, first inclined plane; 53, horizontal spring; 54, fourth slot; 6, unlocking mechanism; 61, mounting slot; 611, second through hole; 62, countersunk bolt; 63, guide rod; 64, drive block; 65, unlocking block; 66, first connecting rod; 7, supporting mechanism; 71, third sleeve; 72, third moving rod; 73, third moving block; 74, third spring; 75, moving plate; 751, vertical slot; 76, buffer plate; 77, buffer spring; 8, transmission assembly; 81, countersunk slot; 82, drive plate; 821, second inclined plane; 83, second connecting rod; 84, fourth sleeve; 85, fourth moving rod; 86, fourth moving block; 87, fourth spring. DETAILED DESCRIPTION

[0028] Embodiments of the present application are described in detail below, examples of which are shown in the accompanying drawings.

[0029] In the description of this specification, the description with reference to the terms "certain embodiments", "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiments or examples are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0030] The present application provides a partially overlapped joint component for constructing a fully prefabricated floor slab, such as Figure 1 and Figure 2 As shown, it includes a main structural steel beam 1 and two prefabricated floor slabs 2 installed on the top of the main structural steel beam 1, a cast-in-place trough 21 is arranged between the two prefabricated floor slabs 2, and a plurality of first slots 22 are opened on the relative inner sides of the two prefabricated floor slabs 2; a first plug plate 23 is inserted between the two opposite first slots 22, a connecting rod 24 is arranged on the first plug plate 23, the first plug plate 23 is connected to the connecting rod 24 along the vertical sliding, one end of the connecting rod 24 is fixedly connected to the side of the main structural steel beam 1 close to the prefabricated floor slab 2 and is threadedly connected with a retaining ring 25, the connecting rod 24 and the main structural steel beam 1 can be connected in the form of a threaded rod and a threaded groove, that is, a threaded rod is installed on the connecting rod 24, a threaded groove is opened on the main structural steel beam 1, and a clamping ring 26 is threadedly connected to the other end, and the first plug plate 23 is located between the retaining ring 25 and the clamping ring 26.

[0031] like Figure 1 and Figure 2 As shown, two rows of second plug plates 11 are vertically installed on the top of the main structural steel beam 1, and a row of second slots 27 are provided at the bottom of the two prefabricated floor slabs 2. Multiple second plug plates 11 are plugged into the multiple second slots 27 one by one, and two groups of fixing devices 3 for fixing the second plug plates 11 are installed under the first plug plates 23.

[0032] like Figure 2-Figure 4As shown, each set of fixing devices 3 includes a rack 31 slidably connected to the top of the main structure steel beam 1 along the width direction of the main structure steel beam 1, a reset component 4 installed at one end of the rack 31 for resetting the rack 31, and a driving mechanism installed at the top of the main structure steel beam 1 for driving the rack 31 to move toward the second plug plate 11; a first through hole 32 for the rack 31 to slide along the width direction of the main structure steel beam 1 is provided on one side of the first slot 22, a connecting groove 111 is provided on one side of the second plug plate 11 close to the rack 31, and an end of the rack 31 away from the reset component 4 is plugged into the connecting groove 111. First, the first plug plate 23 is moved downward to connect the first plug plate 23 with the connecting rod 24 and the two ends of the first plug plate 23 are respectively inserted into the two first slots 22, and then the top of the first plug plate 23 is limited by the clamping ring 26, and then concrete is poured through the cast-in-place groove 21, thereby shortening the construction period; in addition, when the first plug plate 23 moves downward, the driving mechanism enables the rack 31 to be inserted into the connecting groove 111, so that the prefabricated panel can be fixedly connected to the main structure steel beam 1, thereby further shortening the construction period.

[0033] like Figure 3-Figure 5 As shown, the driving mechanism includes a first sleeve 33 embedded in the top of the main structural steel beam 1, a first moving rod 34 vertically slidably connected to the first sleeve 33, a first moving block 35 fixedly connected to the bottom of the first moving rod 34, a first spring 36 vertically fixedly connected to the end of the first moving block 35 away from the first moving rod 34, and a rotating tube 37 vertically rotatably connected to the top of the first sleeve 33 through a bearing; the outer wall of the first moving rod 34 is fixedly connected to a plurality of spiral blocks 341, the inner wall of the rotating tube 37 is provided with a plurality of spiral grooves 371, and the spiral blocks 341 and the spiral grooves are connected to each other. 371 corresponds to the cooperation; one end of the first spring 36 away from the first moving block 35 is fixed to the bottom wall of the first sleeve 33; the outer wall of the rotating tube 37 is sleeved with a gear 38, and the gear 38 is meshed with the rack 31; the bottom of the first plug plate 23 is vertically fixed with the third plug plate 231, and one side of the prefabricated floor 2 is horizontally fixed with a cross plate 12, and a third slot 121 is opened in the cross plate 12, and the third plug plate 231 is inserted into the third slot 121, and the top of the first moving rod 34 is fixed with a bearing block 39, and the top of the bearing block 39 abuts against the bottom of the third plug plate 231. In addition, the first plug plate 23 moves downward, driving the third plug plate 231 to move downward, and the third plug plate 231 moves downward to drive the supporting block 39 to move downward, and the supporting block 39 moves downward to drive the first moving rod 34 to move downward. At this time, the first moving rod 34 drives the rotating tube 37 to rotate under the action of the spiral block 341 and the spiral groove 371, and the rotation of the rotating tube 37 drives the gear 38 to rotate, and the rotation of the gear 38 can drive the rack 31 to move in the direction close to the second plug plate 11; in summary, the set driving mechanism is convenient for driving the rack 31 to move in the direction close to the second plug plate 11.

[0034] like Figure 3 and Figure 4 As shown, the reset assembly 4 includes a second sleeve 41 installed on the top of the main structure steel beam 1, a second moving rod 42 slidably connected to the second sleeve 41 along the width direction of the main structure steel beam 1, a second moving block 43 fixed to one end of the second moving rod 42, and a second spring 44 horizontally fixed to the second moving block 43 away from the end of the second moving rod 42; one end of the second moving rod 42 away from the second sleeve 41 is fixed to the end of the rack 31 away from the second plug plate 11; one end of the second spring 44 away from the second moving block 43 is fixed to the inner wall of one end of the second sleeve 41 away from the rack 31. When the rack 31 is plugged into the connecting groove 111, it drives the second moving rod 42 to move, and the movement of the second moving rod 42 drives the second moving block 43 to move, and the movement of the second moving block 43 stretches the second spring 44; when rework is required, the second moving block 43 facilitates the resetting of the second moving rod 42 under the action of the second spring 44, and the resetting of the second moving rod 42 facilitates the resetting of the rack 31; in summary, the reset component 4 is set to facilitate the resetting of the rack 31.

[0035] like Figure 3 and Figure 4 As shown, a fixing mechanism 5 for fixing the third plug plate 231 is installed in the transverse plate 12, and the fixing mechanism 5 includes a horizontal slot 51 opened on one side of the third slot 121, a fourth plug plate 52 slidably connected to the horizontal slot 51 along the width direction of the main structural steel beam 1, and a horizontal spring 53 horizontally fixed to the fourth plug plate 52 away from the third plug plate 231. A fourth slot 54 is opened on the side of the third plug plate 231 close to the fourth plug plate 52, and the fourth plug plate 52 is plugged into the fourth slot 54. The end of the horizontal spring 53 away from the fourth plug plate 52 is fixed to the inner wall of one end of the horizontal slot 51; a first inclined surface 521 is provided on the side of the fourth plug plate 52 close to the bearing block 39; in the initial state, the fourth plug plate 52 is blocked in the horizontal slot 51 by the bearing block 39 under the action of the first inclined surface 521, and the horizontal spring 53 is in a compressed state. Furthermore, the downward movement of the bearing block 39 can release the limit on the fourth plug board 52, so that the fourth plug board 52 can be plugged into the fourth slot 54, thereby facilitating the locking of the third plug board 231, thereby improving the stability of the entire device.

[0036] like Figure 4 and Figure 6As shown, an unlocking mechanism 6 for releasing the fourth plug plate 52 from limiting the third plug plate 231 is installed in the third plug plate 231, and the unlocking mechanism 6 includes a mounting groove 61 provided in the third plug plate 231, a countersunk bolt 62 vertically rotatably connected to the inner wall of the mounting groove 61 through a bearing, a guide rod 63 vertically fixed to the inner wall of the mounting groove 61, and a driving block 64 threadedly connected to the countersunk bolt 62 and vertically slidably connected to the guide rod 63; the countersunk bolt 62 is located in the gap between the first plug plate 23 and the first slot 22; a second through hole 611 connected to the fourth slot 54 is provided on one side of the mounting groove 61, and an unlocking block 65 is slidably connected in the second through hole 611, and an end of the unlocking block 65 close to the fourth plug plate 52 has a certain elasticity, and a first connecting rod 66 is hinged between the driving block 64 and the unlocking block 65; the unlocking block 65 can abut against the end of the fourth plug plate 52 away from the horizontal spring 53. When it is necessary to release the limit on the third plug plate 231, first drive the countersunk bolt 62 to rotate through a tool, the countersunk bolt 62 rotates to drive the driving block 64 to move downward, the driving block 64 moves downward to drive the first connecting rod 66 to move, the first connecting rod 66 moves to drive the unlocking block 65 to move, the unlocking block 65 moves to push the fourth plug plate 52 into the horizontal groove 51, so that the limit on the third plug plate 231 can be released; in summary, the unlocking mechanism 6 is set, when rework is required before pouring concrete, it is convenient to release the limit on the third plug plate 231, thereby facilitating rework.

[0037] like Figure 3 and Figure 7 As shown, a support mechanism 7 for supporting the first plug plate 23 is installed on the top of the main structural steel beam 1, and the support mechanism 7 includes a third sleeve 71 vertically fixed to the top of the main structural steel beam 1, a third moving rod 72 vertically slidably connected to the third sleeve 71, a third moving block 73 fixed to the bottom of the third moving rod 72, and a third spring 74 vertically fixed to the end of the third moving block 73 away from the third moving rod 72; the end of the third spring 74 away from the third moving block 73 is fixed to the bottom wall of the third sleeve 71 ; The end of the third moving rod 72 away from the third sleeve 71 is fixedly connected with a moving plate 75, and a vertical slot 751 is provided at the top of the moving plate 75. A buffer plate 76 is vertically slidably connected in the vertical slot 751. The top of the buffer plate 76 can abut against the bottom of the first plug plate 23. A plurality of buffer springs 77 are vertically fixedly connected to the bottom of the buffer plate 76. One end of each buffer spring 77 away from the buffer plate 76 is fixedly connected to the bottom of the vertical slot 751. The top of the horizontal plate 12 is installed with a transmission assembly 8 for driving the moving plate 75 to move upward. In addition, when the first plug plate 23 moves downward, the transmission assembly 8 drives the moving plate 75 to move upward, and the moving plate 75 moves upward to drive the buffer plate 76 to move upward, so as to facilitate the support of the first plug plate 23. In summary, the support mechanism 7 is provided to facilitate the support of the first plug plate 23.

[0038] like Figure 3 and Figure 7 As shown, the transmission assembly 8 includes a sink 81 opened on one side of the third slot 121, a driving plate 82 slidably connected to the inner wall of the sink 81 along the width direction of the main structural steel beam 1, and a second connecting rod 83 hinged to the top of the driving plate 82; a second inclined surface 821 is provided on the side of the driving plate 82 close to the third plug plate 231, and the second inclined surface 821 matches the side wall of the third plug plate 231; an end of the second connecting rod 83 away from the driving plate 82 is hinged to one side of the moving plate 75; the inner wall of the sink 81 is horizontally A fourth sleeve 84 is fixedly connected, and a fourth moving rod 85 is slidably connected in the fourth sleeve 84 along the width direction of the main structure steel beam 1, and one end of the fourth moving rod 85 away from the fourth sleeve 84 is fixedly connected to the bottom of the driving plate 82; the fourth moving rod 85 is fixedly connected to a fourth moving block 86 at one end away from the driving plate 82, and a fourth spring 87 is horizontally fixedly connected to one end of the fourth moving block 86 away from the fourth moving rod 85, and one end of the fourth spring 87 away from the fourth moving block 86 is fixedly connected to the inner wall of one end of the fourth sleeve 84. In addition, the downward movement of the first plug plate 23 drives the third plug plate 231 to move downward, and then the third plug plate 231 drives the driving plate 82 to move in the direction close to the movable plate 75 under the action of the second inclined surface 821. The driving plate 82 moves in the direction close to the movable plate 75 to drive the second connecting rod 83 to move. The movement of the second connecting rod 83 drives the movable plate 75 to move upward. The movable plate 75 moves upward to drive the buffer plate 76 to move upward, so that the buffer plate 76 supports the first plug plate 23. In summary, the transmission assembly 8 is set to facilitate driving the movable plate 75 to move upward.

[0039] The present application provides a method for constructing a partially overlapped joint of a fully prefabricated floor slab, comprising the following steps: First, the first plug plate 23 is moved downward to connect the first plug plate 23 with the connecting rod 24 and the two ends of the first plug plate 23 are respectively inserted into the two first slots 22, and then the top of the first plug plate 23 is limited by the clamping ring 26, and then concrete is poured through the cast-in-place groove 21, so that the construction period can be shortened; in addition, the first plug plate 23 moves downward to drive the third plug plate 231 to move downward, and the third plug plate 231 moves downward to drive the bearing block 39 to move downward, and the bearing block 39 moves downward to drive the first moving rod 34 to move downward. At this time, the first moving rod 34 drives the rotating tube 37 to rotate under the action of the spiral block 341 and the spiral groove 371, and the rotating tube 37 rotates to drive the gear 38 to rotate, and the gear 38 rotates to drive the rack 31 to move in the direction close to the second plug plate 11, so that the rack 31 is inserted into the connecting groove 111, so that the prefabricated panel and the main structure steel beam 1 can be fixedly connected, thereby further shortening the construction period; furthermore, the downward movement of the bearing block 39 can release the limit on the fourth plug plate 52, so that the fourth plug plate 52 can be inserted into the fourth slot 54, thereby facilitating the locking of the third plug plate 231; in addition, the downward movement of the first plug plate 23 drives the third plug plate 231 to move downward, and then the third plug plate 231 drives the driving plate 82 to move in the direction close to the movable plate 75 under the action of the second inclined surface 821, and the driving plate 82 moves in the direction close to the movable plate 75 to drive the second connecting rod 83 to move, and the movement of the second connecting rod 83 drives the movable plate 75 to move upward, and the movable plate 75 moves upward to drive the buffer plate 76 to move upward, so that the buffer plate 76 supports the first plug plate 23.

[0040] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A method for constructing a partially overlapped joint component for a fully prefabricated floor, characterized in that: The invention comprises a main structural steel beam (1) and two prefabricated floor slabs (2) installed on the top of the main structural steel beam (1), a cast-in-place trough (21) is arranged between the two prefabricated floor slabs (2), and a plurality of first slots (22) are provided on the opposite inner sides of the two prefabricated floor slabs (2); a first plug plate (23) is inserted between the two opposite first slots (22), a connecting rod (24) is arranged on the first plug plate (23), the first plug plate (23) is slidably connected to the connecting rod (24), and one end of the connecting rod (24) is fixedly connected to the main structural steel beam (1) near the prefabricated floor slab. (2) is threadedly connected to one side of the main structure steel beam (1) with a retaining ring (25), and the other end is threadedly connected to a clamping ring (26), and the first plug plate (23) is located between the retaining ring (25) and the clamping ring (26); two rows of second plug plates (11) are installed on the top of the main structure steel beam (1), and a row of second slots (27) are provided at the bottom of the two prefabricated floor slabs (2), and a plurality of the second plug plates (11) are plugged into the plurality of the second slots (27) one by one, and two sets of fixing devices (3) for fixing the second plug plates (11) are installed below the first plug plate (23); Each set of the fixing devices (3) comprises a rack (31) slidably connected to the top of the main structural steel beam (1), a reset component (4) installed at one end of the rack (31) for resetting the rack (31), and a driving mechanism installed at the top of the main structural steel beam (1) for driving the rack (31) to move toward the second plug plate (11); a first through hole (32) for sliding the rack (31) is provided on one side of the first slot (22), a connecting groove (111) is provided on the side of the second plug plate (11) close to the rack (31), and an end of the rack (31) away from the reset component (4) is plugged into the connecting groove (111).

2. A method for constructing a partially overlapped joint component for a fully prefabricated floor according to claim 1, characterized in that: The driving mechanism comprises a first sleeve (33) embedded in the top of the main structural steel beam (1), a first moving rod (34) slidably connected to the first sleeve (33), a first moving block (35) fixed to one end of the first moving rod (34), a first spring (36) fixed to one end of the first moving block (35) away from the first moving rod (34), and a rotating tube (37) rotatably connected to the top of the first sleeve (33); the outer wall of the first moving rod (34) is fixed with a plurality of spiral blocks (341), the inner wall of the rotating tube (37) is provided with a plurality of spiral grooves (371), and the spiral blocks (341) correspond to the spiral grooves (371); the first One end of the spring (36) away from the first moving block (35) is fixedly connected to the bottom wall of the first sleeve (33); a gear (38) is sleeved and fixedly arranged on the outer wall of the rotating tube (37), and the gear (38) is meshed with the rack (31); a third plug plate (231) is fixedly connected to the bottom of the first plug plate (23); a transverse plate (12) is fixedly connected to one side of the prefabricated floor slab (2), a third slot (121) is provided in the transverse plate (12), and the third plug plate (231) is plugged into the third slot (121); a bearing block (39) is fixedly connected to the top of the first moving rod (34), and the top of the bearing block (39) abuts against the bottom of the third plug plate (231).

3. A partially overlapped joint component for constructing a fully prefabricated floor according to claim 2, characterized in that: The reset assembly (4) comprises a second sleeve (41) installed on the top of the main structural steel beam (1), a second moving rod (42) slidably connected to the second sleeve (41), a second moving block (43) fixedly connected to one end of the second moving rod (42), and a second spring (44) fixedly connected to one end of the second moving block (43) away from the second moving rod (42); one end of the second moving rod (42) away from the second sleeve (41) is fixedly connected to one end of the rack (31) away from the second plug plate (11); one end of the second spring (44) away from the second moving block (43) is fixedly connected to the inner wall of one end of the second sleeve (41) away from the rack (31).

4. A partially overlapped joint component for constructing a fully prefabricated floor according to claim 3, characterized in that: A fixing mechanism (5) for fixing the third plugging plate (231) is installed in the transverse plate (12), and the fixing mechanism (5) comprises a horizontal groove (51) provided on one side of the third slot (121), a fourth plugging plate (52) slidably connected to the horizontal groove (51), and a horizontal spring (53) fixed to an end of the fourth plugging plate (52) away from the third plugging plate (231); a fourth slot (54) is provided on one side of the third plugging plate (231) close to the fourth plugging plate (52), and the fourth slot (54) is fixed to the fourth plugging plate (52). The fourth plug plate (52) is plugged into the fourth slot (54), and one end of the horizontal spring (53) away from the fourth plug plate (52) is fixedly connected to the inner wall of one end of the horizontal groove (51); a first inclined surface (521) is provided on the side of the fourth plug plate (52) close to the bearing block (39); in the initial state, the fourth plug plate (52) is blocked in the horizontal groove (51) by the bearing block (39) under the action of the first inclined surface (521), and the horizontal spring (53) is in a compressed state.

5. A partially overlapped joint component for constructing a fully prefabricated floor according to claim 4, characterized in that: An unlocking mechanism (6) for releasing the third plugging plate (231) from being limited by the fourth plugging plate (52) is installed in the third plugging plate (231), the unlocking mechanism (6) comprising a mounting groove (61) provided in the third plugging plate (231), a countersunk bolt (62) rotatably connected to the inner wall of the mounting groove (61), a guide rod (63) fixed to the inner wall of the mounting groove (61), and a driving block (64) threadedly connected to the countersunk bolt (62) and slidably connected to the guide rod (63); The countersunk bolt (62) is located at the gap between the first plug plate (23) and the first slot (22); a second through hole (611) connected to the fourth slot (54) is opened on one side of the installation slot (61); an unlocking block (65) is slidably connected in the second through hole (611); a first connecting rod (66) is hinged between the driving block (64) and the unlocking block (65); the unlocking block (65) can abut against one end of the fourth plug plate (52) away from the horizontal spring (53).

6. A partially overlapped joint component for constructing a fully prefabricated floor according to claim 5, characterized in that: A support mechanism (7) for supporting the first plug plate (23) is installed at the top of the main structural steel beam (1), and the support mechanism (7) comprises a third sleeve (71) fixedly connected to the top of the main structural steel beam (1), a third moving rod (72) slidably connected to the third sleeve (71), a third moving block (73) fixedly connected to one end of the third moving rod (72), and a third spring (74) fixedly connected to one end of the third moving block (73) away from the third moving rod (72); one end of the third spring (74) away from the third moving block (73) is fixedly connected to the bottom wall of the third sleeve (71); the third moving rod A movable plate (75) is fixedly connected to one end of the movable plate (72) away from the third sleeve (71), a vertical groove (751) is provided on the top of the movable plate (75), a buffer plate (76) is slidably connected in the vertical groove (751), the top of the buffer plate (76) can abut against the bottom of the first plug plate (23), a plurality of buffer springs (77) are fixedly connected to the bottom of the buffer plate (76), and one end of each buffer spring (77) away from the buffer plate (76) is fixedly connected to the bottom of the vertical groove (751); a transmission assembly (8) for driving the movable plate (75) to move upward is installed on the top of the horizontal plate (12).

7. A partially overlapped joint component for constructing a fully prefabricated floor according to claim 6, characterized in that: The transmission assembly (8) comprises a sink (81) provided on one side of the third slot (121), a driving plate (82) slidably connected to the inner wall of the sink (81), and a second connecting rod (83) hinged to the top of the driving plate (82); a second inclined surface (821) is provided on a side of the driving plate (82) close to the third plugging plate (231), and the second inclined surface (821) matches the side wall of the third plugging plate (231); an end of the second connecting rod (83) away from the driving plate (82) is hinged to one side of the moving plate (75); the inner wall of the sink (81) is A fourth sleeve (84) is fixedly connected, and a fourth moving rod (85) is slidably connected inside the fourth sleeve (84), and one end of the fourth moving rod (85) away from the fourth sleeve (84) is fixedly connected to the bottom of the driving plate (82); one end of the fourth moving rod (85) away from the driving plate (82) is fixedly connected to a fourth moving block (86), and one end of the fourth moving block (86) away from the fourth moving rod (85) is fixedly connected to a fourth spring (87), and one end of the fourth spring (87) away from the fourth moving block (86) is fixedly connected to the inner wall of one end of the fourth sleeve (84).

8. A method for constructing a partially overlapped joint of a fully prefabricated floor slab, based on the construction component for constructing a partially overlapped joint of a fully prefabricated floor slab according to claim 7, characterized in that: The following steps are involved: First, the first plug plate (23) is moved downward to connect the first plug plate (23) with the connecting rod (24) and the two ends of the first plug plate (23) are respectively inserted into the two first slots (22), and then the top of the first plug plate (23) is limited by the clamping ring (26), and then concrete is poured through the cast-in-place groove (21), so that the construction period can be shortened; the first plug plate (23) moves downward to drive the third plug plate (231) to move downward, and the third plug plate (231) moves downward to drive the bearing block (39) to move downward, and the bearing block (39) moves downward to drive the first moving rod (34) to move downward, at this time, the first moving rod (34) drives the rotating tube (37) to rotate under the action of the spiral block (341) and the spiral groove (371), and the rotating tube (37) rotates to drive the gear (38) to rotate, and the gear (38) rotates to drive the rack (31) to move closer to the second plug plate (1 1), so that the rack (31) can be inserted into the connecting groove (111), so that the prefabricated plate and the main structure steel beam (1) can be fixedly connected, thereby further shortening the construction period; further, the downward movement of the bearing block (39) can release the limit of the fourth plug plate (52), so that the fourth plug plate (52) can be inserted into the fourth slot (54), thereby facilitating the locking of the third plug plate (231); the third plug plate (231) drives the driving plate (82) to move in the direction close to the movable plate (75) under the action of the second inclined surface (821), and the driving plate (82) moves in the direction close to the movable plate (75) to drive the second connecting rod (83) to move, and the movement of the second connecting rod (83) drives the movable plate (75) to move upward, and the upward movement of the movable plate (75) drives the buffer plate (76) to move upward, so that the buffer plate (76) supports the first plug plate (23).

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