CN214785180U - Environment-friendly prefabricated floor slab - Google Patents

Abstract

The utility model relates to an environmental protection precast floor slab belongs to building engineering's technical field, its include the floor body, set up in connecting rib on the floor body and set up in this internal reinforcing bar subassembly of floor, reinforcing bar subassembly including bury underground in this internal a plurality of longitudinal reinforcement of floor, bury underground in the floor is originally internal and with a plurality of transverse reinforcement of longitudinal reinforcement fixed connection, it has the extension to buckle on the transverse reinforcement the connecting portion of floor body. This application has the degree of connection of strengthening between precast floor and the cast-in-place floor, improves the structural strength's of floor effect.

Description

Environment-friendly prefabricated floor slab

Technical Field

The application relates to the technical field of constructional engineering, in particular to an environment-friendly prefabricated floor slab.

Background

In order to meet the construction of complex pipelines, laminated slabs are selected for construction in a plurality of engineering projects, the prefabricated floor slabs are an important part of the laminated slabs, and at present, the manufacturing process of the prefabricated floor slabs is improved by part of factories, so that the prefabricated floor slabs are more energy-saving and environment-friendly to manufacture.

In the related art, chinese utility model with publication number CN201785917U discloses a novel precast floor slab, which comprises a precast floor slab and longitudinal steel bars, wherein 1-5 longitudinal steel bars in the precast floor slab are lengthened by 10-16 cm, two ends of each longitudinal steel bar extend out of the precast floor slab by 5-8 cm, one end of each longitudinal steel bar is vertically bent by 90 degrees to form a hook, and the other end of each longitudinal steel bar is horizontally bent to form a nearly circular sleeve-shaped hanging sleeve with an inner diameter larger than the outer diameter of the steel bar.

In view of the above-mentioned related technologies, the inventor considers that if the novel prefabricated floor slab is used as a part of the prefabricated floor slab of the composite slab, the connection between the prefabricated floor slab and the cast-in-place floor slab is not tight enough, so that the overall structural strength of the floor slab is easily affected.

SUMMERY OF THE UTILITY MODEL

In order to strengthen the connection degree between precast floor slab and the cast-in-place floor slab, improve the structural strength of floor slab, this application provides an environmental protection precast floor slab.

The application provides a pair of environmental protection precast floor adopts following technical scheme:

the utility model provides an environmental protection precast floor slab, include the floor body, set up in connecting rib on the floor body and set up in this internal reinforcing bar subassembly of floor, the reinforcing bar subassembly including bury underground in this internal a plurality of longitudinal reinforcement of floor, bury underground in the floor is originally internal and with a plurality of transverse reinforcement of longitudinal reinforcement fixed connection, it has the extension to buckle on the transverse reinforcement the connecting portion of floor body.

By adopting the technical scheme, the arrangement of the longitudinal steel bars and the transverse steel bars is favorable for improving the structural strength of the floor slab body, and when an operator pours the cast-in-place floor slab on the surface of the prefabricated floor slab, the bending part of the transverse steel bars is embedded into the cast-in-place floor slab, so that the improvement of the connection degree between the prefabricated floor slab and the cast-in-place floor slab is facilitated, and the arrangement of the bending part is convenient for the operator to hoist the prefabricated floor slab. The connection rib is arranged to further increase the connection degree between the prefabricated floor slab and the cast-in-place floor slab.

Preferably, the floor slab body is provided with a mounting groove, the connecting rib is arranged in the mounting groove and matched with the inner side wall of the mounting groove in a sliding manner, and the floor slab body is provided with a fixing component for fixing the connecting rib.

Through adopting above-mentioned technical scheme, the setting of mounting groove carries out prepositioning to the connecting rib, makes things convenient for operating personnel to utilize fixed subassembly to fix the connecting rib. The detachable connection of the floor slab body and the connecting ribs facilitates the separate transportation of operators, and the transportation efficiency is improved; the operating personnel can assemble the connecting rib and the floor slab body on site, thereby preventing the connecting rib from being damaged in the transportation process.

Preferably, the fixing assembly comprises a first steel plate embedded in the floor body, a second steel plate embedded in the connecting rib and a positioning bolt, and the positioning bolt penetrates through the second steel plate and is in threaded fit with the first steel plate.

Through adopting above-mentioned technical scheme, being provided with of first steel sheet does benefit to the structural strength who improves the floor body, and the setting of second steel sheet is favorable to improving the structural strength who connects the rib, and being provided with of a plurality of positioning bolt does benefit to the firm degree that improves the connection.

Preferably, wear to be equipped with connecting sleeve on the second steel sheet, the interior bottom surface of mounting groove seted up be used for with connecting sleeve grafting complex connecting hole, connecting sleeve with first steel sheet butt, just positioning bolt with connecting sleeve screw-thread fit.

Through adopting above-mentioned technical scheme, the setting up of connecting hole makes things convenient for operating personnel to aim at connecting sleeve, and connecting sleeve plays predetermined position's effect to connecting sleeve to make things convenient for positioning bolt's insertion, connecting sleeve be provided with and do benefit to the degree of being connected of strengthening positioning bolt and tie-rib.

Preferably, the reinforcing bar subassembly still includes connecting reinforcement, just be provided with on the floor body and be used for fixing connecting reinforcement's supporting component, supporting component is including wearing to locate first fixed sleeve on the connecting rib, the cover is located on the connecting reinforcement and with horizontal reinforcing bar fixed connection's second fixed sleeve.

Through adopting above-mentioned technical scheme, the structural strength of pouring the floor is favorable to improving on the one hand to the setting up of coupling bar, and the coupling bar sets up the joint strength that on the other hand improved precast floor and cast-in-place floor, and first fixed sleeve and second fixed sleeve set up and make things convenient for operating personnel installation coupling bar, and first fixed sleeve, second fixed sleeve provide the supporting role to coupling bar, prevent that coupling bar is crooked.

Preferably, the connecting rib is provided with a communicating hole, and the first fixing sleeve is arranged in the communicating hole and fixedly connected with the second steel plate.

Through adopting above-mentioned technical scheme, the setting up of intercommunicating pore makes things convenient for the concrete of cast-in-place floor to circulate to improve the joint strength between joint rib and the cast-in-place floor, and the fixed of first fixed sleeve and second steel sheet is favorable to improving first fixed sleeve's stability.

Preferably, two the transverse reinforcement sets up a set ofly, the second fixed sleeve sets up to be located same two a set ofly between the connecting portion of transverse reinforcement, transverse reinforcement is provided with the multiunit, and multiunit transverse reinforcement follows the length direction of floor body evenly arranges.

Through adopting above-mentioned technical scheme, being provided with of multiunit transverse reinforcement does benefit to the structural strength who improves precast floor and cast-in-place floor, and is located a set of transverse reinforcement and connects a second fixed sleeve simultaneously, and then improves the stability of second fixed sleeve.

Preferably, a first elastic sheet is arranged between the first fixing sleeve and the connecting steel bar, one end of the first elastic sheet is fixedly connected with the first fixing sleeve, and the other end of the first elastic sheet is abutted to the connecting steel bar; and a second elastic sheet is arranged between the second fixing sleeve and the connecting steel bar, one end of the second elastic sheet is fixedly connected with the second fixing sleeve, and the other end of the second elastic sheet is abutted to the connecting steel bar.

Through adopting above-mentioned technical scheme, when the connecting reinforcement passed first fixed sleeve, second fixed sleeve in proper order, first shell fragment, second shell fragment were propped open by the connecting reinforcement, when the connecting reinforcement wore to establish suitable position, first shell fragment supported tightly with the connecting reinforcement respectively with the second shell fragment to the position of fixed connection reinforcing bar.

In summary, the present application includes at least one of the following beneficial technical effects:

the arrangement of the longitudinal steel bars and the transverse steel bars is beneficial to improving the structural strength of the floor slab body, the bent parts of the transverse steel bars are embedded into the cast-in-place floor slab, so that the connection degree between the prefabricated floor slab and the cast-in-place floor slab is improved, the arrangement of the bent parts is convenient for operators to hoist the prefabricated floor slab, and the arrangement of the connecting ribs further adds the connection degree between the prefabricated floor slab and the cast-in-place floor slab;

the installation groove is used for pre-positioning the connecting ribs, so that an operator can conveniently fix the connecting ribs by using the fixing assembly, the detachable connection of the floor slab body and the connecting ribs is convenient for the operator to separately transport, the transport efficiency is improved, and the damage of the connecting ribs in the transport process is also prevented;

when the connecting steel bar passes through the first fixing sleeve and the second fixing sleeve in sequence, the first elastic sheet and the second elastic sheet are propped open by the connecting steel bar, and when the connecting steel bar penetrates through a proper position, the first elastic sheet and the second elastic sheet are respectively and tightly propped against the connecting steel bar, so that the position of the connecting steel bar is fixed.

Drawings

Fig. 1 is a schematic structural view of an eco-friendly precast floor slab according to an embodiment of the present application.

Fig. 2 is an internal structure diagram of an eco-precast floor slab according to an embodiment of the present application.

Fig. 3 is an enlarged schematic view at a in fig. 2.

Description of reference numerals: 1. a floor slab body; 11. mounting grooves; 12. connecting holes; 2. a reinforcement assembly; 21. longitudinal reinforcing steel bars; 22. transverse reinforcing steel bars; 221. a connecting portion; 23. connecting reinforcing steel bars; 3. a connecting rib; 31. a transverse segment; 32. a vertical section; 321. a communicating hole; 33. a connecting sleeve; 4. a fixing assembly; 41. a first steel plate; 42. a second steel plate; 43. positioning the bolt; 5. a support assembly; 51. a first fixed sleeve; 511. a first spring plate; 52. a second fixed sleeve; 521. and a second elastic sheet.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses an environmental protection precast floor slab. Referring to fig. 1 and 2, the prefabricated floor slab includes a floor slab body 1, a connection rib 3, and a reinforcement assembly 2.

Referring to fig. 2 and 3, floor slab body 1 is a cuboid, mounting groove 11 has been seted up to floor slab body 1's upper surface, and the opening of mounting groove 11 is the rectangle, and the length direction of mounting groove 11 is unanimous with floor slab body 1's width direction. The mounting grooves 11 are provided with two, and the two mounting grooves 11 are respectively arranged at two ends of the floor slab body 1.

Referring to fig. 2 and 3, the connection rib 3 includes a horizontal section 31 and a vertical section 32, the horizontal section 31 has a rectangular plate shape, and a length direction of the horizontal section 31 is identical to a length direction of the mounting groove 11. The vertical section 32 is arranged at the lower side of the horizontal section 31, and the upper surface of the vertical section 32 is fixedly connected with the bottom surface of the horizontal section 31. The communicating hole 321 has been seted up on the vertical board, and the communicating hole 321 is half oval-shaped, and the communicating hole 321 is provided with a plurality ofly, and a plurality of communicating holes 321 evenly arrange along the length direction of vertical board. Vertical section 32 sets up in mounting groove 11, and the bottom surface of vertical section 32 and the interior bottom surface butt of mounting groove 11, the side of vertical section 32 and the inside wall cooperation of sliding of mounting groove 11.

Referring to fig. 2 and 3, a fixing assembly 4 is arranged on the floor slab body 1, the fixing assembly 4 includes a first steel plate 41, a second steel plate 42 and a positioning bolt 43, the first steel plate 41 is rectangular plate-shaped, the first steel plate 41 is embedded in the floor slab body 1, the first steel plate 41 is arranged on the lower side of the inner bottom surface of the mounting groove 11, the length direction of the first steel plate 41 is consistent with the length direction of the mounting groove 11, the number of the first steel plates 41 is two, and the two first steel plates 41 are in one-to-one correspondence with the two mounting grooves 11. The second steel plate 42 is a rectangular steel plate, and the second steel plate 42 and the first steel plate 41 are parallel to each other. Wear to be equipped with connecting sleeve 33 on the second steel sheet 42, connecting sleeve 33 is circular sleeve, and the lateral wall and the second steel sheet 42 fixed connection of connecting sleeve 33, the vertical setting of connecting sleeve 33, connecting sleeve 33 one end is linked together with the upper surface of horizontal section 31, and the bottom surface of vertical section 32 is extended to the connecting sleeve 33 other end. Connecting hole 12 has been seted up on the interior bottom surface of mounting groove 11, and the opening of connecting hole 12 is circular, and connecting sleeve 33 passes through connecting hole 12 and first steel sheet 41 butt, and the lateral wall of connecting sleeve 33 and the inside wall of connecting hole 12 cooperation of sliding. The connection holes 12 are provided in plural, and the plural connection holes 12 are uniformly arranged along the length direction of the installation groove 11. The positioning bolt 43 is inserted into the connecting sleeve 33, the positioning bolt 43 is in threaded fit with the connecting sleeve 33, and the positioning bolt 43 is in threaded fit with the first steel plate 41.

Referring to fig. 2 and 3, the reinforcement assembly 2 includes longitudinal reinforcements 21, transverse reinforcements 22 and connecting reinforcements 23, the longitudinal reinforcements 21 have a length direction consistent with the length direction of the floor slab body 1, two ends of the longitudinal reinforcements 21 extend out of the floor slab body 1, and the ends of the longitudinal reinforcements 21 extending out of the floor slab body 1 are bent ninety degrees upwards. The bending arrangement of the longitudinal steel bars 21 is convenient for operators to connect the floor slab body 1 with other building structures. Longitudinal reinforcement 21 is provided with many, and many longitudinal reinforcement 21 are evenly arranged along floor body 1's width direction. The transverse reinforcing bars 22 are arranged between the longitudinal reinforcing bars 21, the length direction of the transverse reinforcing bars 22 is consistent with the width direction of the floor slab body 1, and the two ends of the transverse reinforcing bars 22 extending out of the floor slab body 1 are bent ninety degrees upwards. Connecting portion 221 has been buckled to horizontal reinforcing bar 22 middle part, and the cross section of connecting portion 221 is the arc, and connecting portion 221 is provided with a plurality ofly, and connecting portion 221 is provided with four in this embodiment. Transverse reinforcement 22 is provided with a plurality ofly, single transverse reinforcement 22 and whole longitudinal reinforcement 21 fixed connection, and two transverse reinforcement 22 establish to a set of, and multiunit transverse reinforcement 22 is evenly arranged along floor body 1's length direction.

Referring to fig. 2 and 3, the length direction of the connecting steel bars 23 is the same as the length direction of the longitudinal steel bars 21, the floor slab body 1 is provided with the support assembly 5, the support assembly 5 includes a first fixing sleeve 51 and a second fixing sleeve 52, the first fixing sleeve 51 is in a circular cylinder shape, the first fixing sleeve 51 is disposed in the communicating hole 321, the first fixing sleeve 51 is fixedly connected with the first steel plate 41, and the first fixing sleeve 51 is fixedly connected with the inner side wall of the communicating hole 12. The first fixing sleeve 51 is sleeved on the connecting steel bar 23, and the connecting steel bar 23 is in sliding fit with the inner side wall of the first fixing sleeve 51. A first elastic sheet 511 is arranged between the connecting steel bar 23 and the first fixing sleeve 51, the first elastic sheet 511 is made of spring steel, one end of the first elastic sheet 511 is fixedly connected with the outer end of the first fixing sleeve 51, and the other end of the first elastic sheet 511 is abutted to the connecting steel bar 23. The first elastic pieces 511 are provided with two, and the two first elastic pieces 511 are symmetrically arranged with the axis of the first fixing sleeve 51 as a symmetry axis.

Referring to fig. 2 and 3, the second fixing sleeve 52 is a circular cylinder, the second fixing sleeve 52 is disposed between the connecting portions 221 of the two transverse reinforcing bars 22 in one set, and the second fixing sleeve 52 is fixedly connected to the two transverse reinforcing bars 22. The second fixing sleeve 52 is sleeved on the connecting steel bar 23, the connecting steel bar 23 is in sliding fit with the inner side wall of the second fixing sleeve 52, and a second elastic sheet 521 is arranged between the second fixing sleeve 52 and the connecting steel bar 23. The second elastic sheet 521 is made of spring steel, one end of the second elastic sheet 521 is fixedly connected with the outer end face of the second fixing sleeve 52, and the other end of the second elastic sheet 521 is abutted against the connecting steel bar 23. The number of the second elastic pieces 521 is two, and the second elastic pieces 521 are symmetrically distributed with the axis of the second fixing sleeve 52 as a symmetry axis.

The implementation principle of this application embodiment an environmental protection precast floor slab does: transverse reinforcement 22 and vertical reinforcement be provided with and do benefit to the whole bearing capacity that improves floor body 1, and transverse reinforcement 22 and vertical reinforcement's the setting of the end of bending make things convenient for operating personnel to lift by crane floor body 1 with floor body 1 and other building structure overlap joints, the setting of transverse reinforcement 22 connecting portion 221 makes things convenient for operating personnel. Connecting rib 3 can be dismantled with floor body 1 and be connected and make things convenient for operating personnel to assemble at the job site, and operating personnel places connecting rib 3 earlier in mounting groove 11 for the bottom of the vertical section 32 of connecting rib 3 and the interior bottom surface butt of mounting groove 11, connecting sleeve 33 gets into connecting hole 12 in, and operating personnel rotates positioning bolt 43 again, and operating personnel utilizes positioning bolt 43 fixed connection rib 3 and floor body 1.

The operating personnel is at installation connecting reinforcement 23, and operating personnel passes first fixed sleeve 51, second connecting sleeve 33 with connecting reinforcement 23 in proper order, and when operating personnel moved connecting reinforcement 23, connecting reinforcement 23 made first shell fragment 511, the outside distraction of second shell fragment 521, when operating personnel removed connecting reinforcement 23 to the assigned position, first shell fragment 511, second shell fragment 521 supported connecting reinforcement 23 under self elasticity effect tightly to make things convenient for operating personnel fixed connection reinforcing bar 23's position. The arrangement of the connecting steel bars 23 and the connecting ribs 3 is favorable for enhancing the connection strength between the floor slab body 1 and the cast-in-situ floor slab on the one hand, and is favorable for improving the integral structural strength of the floor slab on the other hand.

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 (8)

1. The utility model provides an environmental protection precast floor slab which characterized in that: including floor body (1), set up in connecting rib (3) on floor body (1) and set up in reinforcing bar subassembly (2) in floor body (1), reinforcing bar subassembly (2) including bury underground in a plurality of longitudinal reinforcement (21) in floor body (1), bury underground in floor body (1) and with a plurality of transverse reinforcement (22) of longitudinal reinforcement (21) fixed connection, it has extension to buckle on transverse reinforcement (22) connecting portion (221) of floor body (1).

2. An environment-friendly precast floor slab according to claim 1, characterized in that: mounting groove (11) have been seted up on floor body (1), connecting rib (3) set up in mounting groove (11) and with the inside wall of mounting groove (11) cooperation of sliding, be provided with on floor body (1) and be used for fixing fixed subassembly (4) of connecting rib (3).

3. An environmentally friendly precast floor slab according to claim 2, wherein: the fixing assembly (4) comprises a first steel plate (41) embedded in the floor slab body (1), a second steel plate (42) embedded in the connecting rib (3) and a positioning bolt (43), and the positioning bolt (43) penetrates through the second steel plate (42) and is in threaded fit with the first steel plate (41).

4. An environmentally friendly precast floor slab according to claim 3, wherein: wear to be equipped with connecting sleeve (33) on second steel sheet (42), the interior bottom surface of mounting groove (11) seted up be used for with connecting sleeve (33) grafting complex connecting hole (12), connecting sleeve (33) with first steel sheet (41) butt, just positioning bolt (43) with connecting sleeve (33) screw-thread fit.

5. An environmentally friendly precast floor slab according to claim 3, wherein: reinforcing bar subassembly (2) still include connecting reinforcement (23), just be provided with on floor body (1) and be used for fixing supporting component (5) of connecting reinforcement (23), supporting component (5) are including wearing to locate first fixed sleeve (51), the cover on connecting rib (3) are located connecting reinforcement (23) go up and with transverse reinforcement (22) fixed connection's second fixed sleeve (52).

6. An environmentally friendly precast floor slab according to claim 5, wherein: the connecting rib (3) is provided with a communicating hole (321), and the first fixing sleeve (51) is arranged in the communicating hole (321) and fixedly connected with the second steel plate (42).

7. An environmentally friendly precast floor slab according to claim 5, wherein: two horizontal reinforcing bar (22) set up a set ofly, second fixed sleeve (52) set up and are located same two of a set of between connecting portion (221) of horizontal reinforcing bar (22), horizontal reinforcing bar (22) are provided with the multiunit, and multiunit horizontal reinforcing bar (22) are followed the length direction of floor body (1) is evenly arranged.

8. An environmentally friendly precast floor slab according to claim 5, wherein: a first elastic sheet (511) is arranged between the first fixing sleeve (51) and the connecting steel bar (23), one end of the first elastic sheet (511) is fixedly connected with the first fixing sleeve (51), and the other end of the first elastic sheet (511) is abutted to the connecting steel bar (23); a second elastic sheet (521) is arranged between the second fixing sleeve (52) and the connecting steel bar (23), one end of the second elastic sheet (521) is fixedly connected with the second fixing sleeve (52), and the other end of the second elastic sheet (521) is abutted to the connecting steel bar (23).

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