CN113250374B - High-strength lightweight concrete precast slab - Google Patents
High-strength lightweight concrete precast slab Download PDFInfo
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- CN113250374B CN113250374B CN202110699627.0A CN202110699627A CN113250374B CN 113250374 B CN113250374 B CN 113250374B CN 202110699627 A CN202110699627 A CN 202110699627A CN 113250374 B CN113250374 B CN 113250374B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention belongs to the field of building materials, in particular to a high-strength light concrete precast slab, which aims at the problem that the existing precast wallboard is inconvenient to recycle, and the scheme is provided that the precast slab comprises a hollow wallboard, wherein two concrete supporting plates are symmetrically and fixedly arranged in the hollow wallboard, two mounting covers are symmetrically and fixedly arranged on the inner wall of one side of the hollow wallboard, two L-shaped compression bars are symmetrically and rotatably connected on the inner wall of one side of the mounting covers, two positioning columns are symmetrically and slidingly connected on the inner wall of the other side of the hollow wallboard, one ends of the two positioning columns extend to the outer side of the hollow wallboard, and two positioning plates are symmetrically and slidingly connected at the top of the hollow wallboard.
Description
Technical Field
The invention relates to the technical field of building materials, in particular to a high-strength lightweight concrete precast slab.
Background
The design targets of industrial and civil buildings in China prescribe that the service life of the concrete structure is 50 years under the conditions of normal design, normal construction and normal use. However, in theory, the life of a concrete member is almost infinitely long under the conditions of proper design, proper construction and proper use. Therefore, when the building structure reaches the design service life, the structural performance is not greatly reduced, the dismantling and reconstruction cost is high, the building structure can still be continuously and normally used after being reinforced, the structure can be maintained and reinforced by adopting a structure reinforcing method, and the bearing capacity of the concrete structure is ensured to meet the national standard requirement.
In order to facilitate the construction of the prefabricated house, concrete slabs are prefabricated in a factory and then constructed on site, but basically the connection modes are that the embedded parts are matched with the steel bars to be connected and then the concrete is covered, although the connection modes have good stability, certain inconvenience exists in the later repeated use, so that a high-strength lightweight concrete prefabricated plate is provided for solving the problems.
Disclosure of Invention
Based on the background technology, the invention provides a high-strength lightweight concrete precast slab, which has the technical problem that the prior precast wallboard is inconvenient to recycle.
The invention provides a high-strength lightweight concrete precast slab, which comprises a hollow wallboard, wherein two concrete supporting plates are symmetrically and fixedly arranged in the hollow wallboard, two mounting covers are symmetrically and fixedly arranged on the inner wall of one side of the hollow wallboard, two L-shaped compression bars are symmetrically and rotatably connected on the inner wall of one side of the mounting cover, two positioning columns are symmetrically and slidingly connected on the inner wall of the other side of the hollow wallboard, one ends of the two positioning columns extend to the outer side of the hollow wallboard, two positioning plates are symmetrically and slidingly connected at the top of the hollow wallboard, an L-shaped swinging rod is rotatably connected on the inner wall of one side of the hollow wallboard, the L-shaped swinging rod is respectively in transmission connection with four L-shaped compression bars, two positioning columns and the two positioning plates, a clamping cover is fixedly arranged at the bottom of the hollow wallboard, a clamping plate is fixedly arranged on the inner wall of the top of the clamping cover, and the two positioning plates are clamped with a clamping plate.
Preferably, sliding connection has two-sided rack on the one side inner wall of installation cover, and fixed cover is equipped with drive gear on the L type depression bar, and two drive gear all mesh with two-sided rack, and the one end of two-sided racks all extends to in the cavity wallboard and fixed mounting has same connecting rod, and one side fixed mounting of connecting rod has the movable rod, the one end fixed mounting of movable rod has the installation pole, one side of installation pole respectively with the other end fixed connection of two reference columns, L type swinging arms is connected with the movable rod transmission, and the movable rod is connected with two locating plate transmissions respectively, one side fixed mounting of L type depression bar has the draw-in bar, and bayonet socket has all been seted up to top one side and bottom one side of reference column, two draw-in bars respectively with two bayonet socket activity clamps, carry out the meshing transmission through two-sided rack and drive gear, can drive two L type depression bars and rotate when two-sided rack carries out lateral shifting.
Preferably, sliding connection has the transfer line on the transfer line, and the top sliding connection of transfer line has the movable plate, the inner wall sliding connection of movable plate and cavity wallboard, the top inner wall symmetry rotation of cavity wallboard is connected with two ball, and the top of two ball all extends to the top of cavity wallboard, fixed cover is equipped with the push rod that is located cavity wallboard top on the ball, and the one end that two push rods are close to each other all rotates and be connected with the sliding ring, two sliding rings respectively with two locating plate sliding connection, the top symmetry fixed mounting of movable plate has two ball screw nuts, and two ball screw runs through two ball screw nuts and movable plate and respectively with two ball screw nut threaded connection, one side bottom rotation of transfer line is connected with the dwang, and the dwang rotates with the concrete supporting plate that is located one side and be connected, does not have the characteristic of auto-lock through the threaded connection between ball screw and the ball screw nut, namely: when the movable plate moves longitudinally, the two push rods can be driven to rotate.
Preferably, the compression spring above the movable rod is sleeved on the transmission rod, the top end and the bottom end of the compression spring are fixedly connected with the top end of the transmission rod and the top of the movable rod respectively, and the transmission rod can be conveniently driven to reset upwards by the compression spring.
Preferably, a movable rack is fixedly arranged on one side of the top of the movable rod, a rotary gear is fixedly sleeved on the L-shaped swinging rod and meshed with the movable rack, and the rotary motion of the L-shaped swinging rod can be converted into linear motion of the movable rod by utilizing the meshing transmission of the rotary gear and the movable rack.
Preferably, one end of the L-shaped swinging rod extends to the outer side of the hollow wallboard, one side of the bottom of the L-shaped swinging rod is rotationally connected with a reset rod, one side of the hollow wallboard is fixedly provided with a sliding cover, a sliding plate is connected in a sliding manner in the sliding cover, one side of the sliding plate extends to the outer side of the sliding cover, the reset rod penetrates through the sliding plate and is in sliding connection with the sliding plate, and the sliding plate and the sliding cover are movably clamped, so that the L-shaped swinging rod can be conveniently driven to rotate through the sliding plate which moves transversely.
Preferably, one side fixed mounting of slide has the wedge plate that is located the slip cover, and has seted up the removal hole on the inner wall of one side of slip cover, one side of wedge plate runs through the removal hole and extends to the outside of slip cover, top one side fixed mounting of slip cover has the spacing post, sliding connection has the fixed plate on the spacing post, and the bottom one side fixed mounting of fixed plate has the locating lever, the card hole has been seted up on the wedge plate, the bottom of locating lever runs through the card hole and rotates and be connected with the gyro wheel, and locating lever and card Kong Huodong cartridge, the cover is equipped with reset spring on the spacing post, reset spring's top and bottom respectively with the top fixed connection of spacing post and fixed plate, through the cartridge of locating lever and wedge plate, can realize carrying out the location to L type swinging arms.
Preferably, the reset rod is sleeved with a reset spring positioned below the sliding plate, the top end and the bottom end of the reset spring are fixedly connected with the bottom of the sliding plate and the bottom end of the reset rod respectively, and the reset spring is utilized to conveniently drive the L-shaped swing rod to rotate upwards for reset.
The beneficial effects of the invention are as follows:
according to the technical scheme, when two adjacent hollow wallboards are spliced, the two hollow wallboards can be respectively in a longitudinal splicing mode or a transverse splicing mode, when the two hollow wallboards are transversely spliced, the two hollow wallboards can be transversely contacted, then the sliding plate can be transversely pulled to drive the reset rod to transversely move, when the reset rod transversely moves, the L-shaped swinging rod can be pulled to rotate in the horizontal direction, when the L-shaped swinging rod rotates, the moving rod can be driven to transversely move towards the right side through meshed transmission of the rotating gear and the moving rack, so that the two double-sided racks and the two positioning columns can be respectively driven to transversely move through the connecting rod and the mounting rod, one ends of the two positioning columns respectively enter the two limiting mounting covers, and when the double-sided racks transversely move, the two L-shaped pressing rods can be driven to transversely move towards one side close to each other through the two transmission gears until the two clamping rods respectively enter the two bayonets, and the transverse splicing of the two hollow wallboards can be realized;
when two hollow wallboards are longitudinally spliced, the two hollow wallboards can be longitudinally overlapped, then the movable rod can be driven to move by the transversely movable sliding plate, the transmission rod can be driven to transversely move when the movable rod transversely moves, the rotating rod can be driven to rotate in the horizontal direction at the moment so as to drive the transmission rod to downwards move, when the transmission rod downwards moves, the movable plate can be driven to downwards move, because the threaded connection between the ball screw and the ball screw nut does not have self-locking property, when the two ball screw nuts downwards move, the two ball screws can be driven to rotate, and the directions of the threads on the two ball screw nuts are set to be opposite, so that the rotation directions of the two ball screw shafts are opposite when the two ball screw shafts rotate, the two push rods can be driven to rotate, and the two positioning plates can be further driven to mutually approach until the two positioning plates are tightly clamped with the clamping plate;
when the slide carries out lateral shifting, can drive the wedge plate and remove, when two cavity wallboards realize stable connection, can make the wedge plate run through the movable hole, when the wedge plate carries out lateral shifting simultaneously, the inclined plane of wedge plate can be with the gyro wheel contact, the locating lever just can upwards move along the inclined plane of wedge plate this moment, so can exert pressure to reset spring through the fixed plate, remove to draw-in hole department at the locating lever, reset spring under the stress state just can promote the locating lever and go on downwards this moment, make the locating lever run through the draw-in hole, realize fixing a position the chucking to the wedge plate, further can prevent that L type swinging arms from taking place to rotate at will, make two cavity wallboards stable chucking.
The invention can realize the rapid transverse splicing or longitudinal splicing of the two hollow wallboards, and has good convenience when being disassembled, thereby being convenient for reutilization and having good practicability when in use.
Drawings
FIG. 1 is a main sectional view of a structure of a high-strength lightweight concrete precast slab according to the present invention;
FIG. 2 is a side sectional view showing the structure of a high-strength lightweight concrete precast slab according to the present invention;
FIG. 3 is a side view of a connecting structure of two L-shaped compression bars and a double-sided rack of a high-strength lightweight concrete precast slab;
FIG. 4 is a front view showing the structure of a high-strength lightweight concrete precast slab according to the present invention;
FIG. 5 is a top view showing the structure of a high-strength lightweight concrete precast slab according to the present invention;
FIG. 6 is a schematic cross-sectional view showing the structure of a high-strength lightweight concrete precast slab according to the present invention;
fig. 7 is a schematic diagram of a portion a of fig. 4 of a high-strength lightweight concrete precast slab according to the present invention.
In the figure: the concrete wall comprises a hollow wallboard, a concrete supporting plate 2, a mounting cover 3, a compression bar 4L, a transmission gear 5, a double-sided rack 6, a clamping bar 7, a connecting rod 8, a moving bar 9, a mounting bar 10, a positioning column 11, a transmission bar 12, a rotating bar 13, a compression spring 14, a moving plate 15, a ball screw 16, a ball screw nut 17, a swinging bar 18L, a rotating gear 19, a moving rack 20, a clamping cover 21, a clamping plate 22, a push bar 23, a positioning plate 24, a sliding ring 25, a sliding cover 26, a limiting column 27, a positioning bar 28, a sliding plate 29, a reset bar 30, a reset spring 31, a wedge plate 32 and a reset spring 33.
Detailed Description
The invention is further illustrated below in connection with specific embodiments.
Examples
Referring to fig. 1-7, this embodiment provides a high strength lightweight concrete prefabricated slab, including hollow wallboard 1, symmetrical fixed mounting has two concrete supporting plates 2 in the hollow wallboard 1, utilize two concrete supporting plates 2 to promote the supporting strength of hollow wallboard 1 greatly, and symmetrical fixed mounting has two mounting covers 3 on the inner wall of one side of hollow wallboard 1, symmetrical rotation is connected with two L type depression bars 4 on the inner wall of one side of mounting cover 3, symmetrical sliding connection has two reference columns 11 on the inner wall of the opposite side of hollow wallboard 1, utilize the block fit of reference column 11 and two L type depression bars 4 can realize two hollow wallboard 1 horizontal concatenation, and the one end of two reference columns 11 all extends to the outside of hollow wallboard 1, the symmetrical sliding connection in top of hollow wallboard 1 has two locating plates 24, and the rotation is connected with L type swinging arms 18 on the inner wall of one side of hollow wallboard 1, L type swinging arms 18 respectively with four L type depression bars 4, two reference columns 11 and two locating plates 24 transmission connection, the bottom fixed mounting of hollow wallboard 1 has block cover 21, and block fit plate 21 on the inner wall of two block fit plate 22, all block fit plate 22 has block fit plate 22.
The invention can realize the rapid transverse splicing or longitudinal splicing of the two hollow wallboards 1, and has good convenience when being disassembled, so that the hollow wallboards can be conveniently reused when being used, and the invention has good practicability.
In this embodiment, sliding connection has double-sided rack 6 on the inner wall of one side of installation cover 3, and fixed cover is equipped with drive gear 5 on the L type depression bar 4, two drive gear 5 all mesh with double-sided rack 6, the one end of two double-sided rack 6 all extends to in the cavity wallboard 1 and fixed mounting has same connecting rod 8, and one side fixed mounting of connecting rod 8 has movable rod 9, one end fixed mounting of movable rod 9 has installation pole 10, one side of installation pole 10 respectively with the other end fixed connection of two reference columns 11, L type swinging rod 18 is connected with movable rod 9 transmission, and movable rod 9 respectively with two locating plates 24 transmission connection, one side fixed mounting of L type depression bar 4 has clamping rod 7, and bayonet socket has all been seted up on top one side and bottom one side of reference column 11, two clamping rods 7 respectively with two bayonet socket movable clamps, through double-sided rack 6 and drive gear 5 meshing transmission, can drive two L type depression bars 4 when double-sided rack 6 carries out lateral shifting.
In this embodiment, the driving rod 12 is slidingly connected to the moving rod 9, the top end of the driving rod 12 is slidingly connected to the moving plate 15, the moving plate 15 is slidingly connected to the inner wall of the hollow wallboard 1, the top inner wall of the hollow wallboard 1 is symmetrically and rotationally connected to two ball screws 16, the top ends of the two ball screws 16 all extend to the upper side of the hollow wallboard 1, a push rod 23 located above the hollow wallboard 1 is fixedly sleeved on the ball screws 16, one ends of the two push rods 23 close to each other are rotationally connected with a sliding ring 25, the two sliding rings 25 are respectively slidingly connected with two positioning plates 24, the top of the moving plate 15 is symmetrically and fixedly provided with two ball screw nuts 17, the two ball screws 16 penetrate through the two ball screw nuts 17 and the moving plate 15 and are respectively in threaded connection with the two ball screw nuts 17, one side bottom of the driving rod 12 is rotationally connected with a rotating rod 13, and the rotating rod 13 is rotationally connected with the concrete supporting plate 2 located on one side, namely, the threaded connection between the ball screws 16 and the ball screw nuts 17 does not have self-locking characteristics: when the moving plate 15 moves longitudinally, the two push rods 23 can be driven to rotate.
In this embodiment, the transmission rod 12 is sleeved with a compression spring 14 above the moving rod 9, and the top and bottom ends of the compression spring 14 are fixedly connected with the top end of the transmission rod 12 and the top of the moving rod 9 respectively, and the transmission rod 12 can be conveniently driven to reset upwards by using the compression spring 14.
In this embodiment, a movable rack 20 is fixedly mounted on one side of the top of the movable rod 9, a rotation gear 19 is fixedly sleeved on the L-shaped swinging rod 18, the rotation gear 19 is meshed with the movable rack 20, and the rotation motion of the L-shaped swinging rod 18 can be converted into linear motion of the movable rod 9 by utilizing the meshing transmission of the rotation gear 19 and the movable rack 20.
In this embodiment, one end of the L-shaped swinging rod 18 extends to the outside of the hollow wallboard 1, one side of the bottom of the L-shaped swinging rod 18 is rotatably connected with a reset rod 30, one side of the hollow wallboard 1 is fixedly provided with a sliding cover 26, a sliding plate 29 is slidably connected in the sliding cover 26, one side of the sliding plate 29 extends to the outside of the sliding cover 26, the reset rod 30 penetrates through the sliding plate 29 and is slidably connected with the sliding plate 29, the sliding plate 29 is movably clamped with the sliding cover 26, and the L-shaped swinging rod 18 can be conveniently driven to rotate by transversely moving the sliding plate 29.
In this embodiment, a wedge plate 32 located in the sliding cover 26 is fixedly installed on one side of the sliding plate 29, a moving hole is formed in an inner wall of one side of the sliding cover 26, one side of the wedge plate 32 penetrates through the moving hole and extends to the outer side of the sliding cover 26, a limiting post 27 is fixedly installed on one side of the top of the sliding cover 26, a fixing plate is connected to the limiting post 27 in a sliding mode, a positioning rod 28 is fixedly installed on one side of the bottom of the fixing plate, a clamping hole is formed in the wedge plate 32, the bottom end of the positioning rod 28 penetrates through the clamping hole and is rotationally connected with a roller, the positioning rod 28 is clamped with a clamp Kong Huodong, a reset spring 31 is sleeved on the limiting post 27, the top end and the bottom end of the reset spring 31 are fixedly connected with the top end of the limiting post 27 and the top of the fixing plate respectively, and the L-shaped swinging rod 18 can be positioned through clamping of the positioning rod 28 and the wedge plate 32.
In this embodiment, the return spring 33 located below the sliding plate 29 is sleeved on the return rod 30, the top end and the bottom end of the return spring 33 are fixedly connected with the bottom of the sliding plate 29 and the bottom end of the return rod 30 respectively, and the return spring 33 can conveniently drive the L-shaped swing rod 18 to rotate upwards for return.
In this embodiment, when two adjacent hollow wallboards 1 are spliced, the two hollow wallboards can be respectively spliced longitudinally or transversely, when the two hollow wallboards are spliced transversely, the two hollow wallboards can be transversely contacted at this time, then the sliding plate 29 can be transversely pulled to drive the reset rod 30 to transversely move, when the reset rod 30 transversely moves, the L-shaped swinging rod 18 can be pulled to horizontally rotate, when the L-shaped swinging rod 18 rotates, the moving rod 9 can be driven to transversely move to the right side through the meshing transmission of the rotating gear 19 and the moving rack 20, so that one ends of the two positioning posts 10 respectively enter the two limiting mounting covers 3 through the connecting rod 8 and the mounting rod 10, and when the two-sided racks 6 transversely move, the two L-shaped compression bars 4 can be driven to rotate towards one side close to each other through the two transmission gears 5 until the two clamping rods 7 respectively enter the two bayonets, so that the two hollow wallboards 1 can be transversely spliced, when the two hollow wallboards 1 are longitudinally spliced, the two hollow wallboards 1 can be longitudinally overlapped, then the transversely movable sliding plate 29 can drive the movable rod 9 to move, when the movable rod 9 transversely moves, the transmission rod 12 can be driven to transversely move, at the moment, the rotary rod 13 can be driven to rotate towards the horizontal direction, the transmission rod 12 can be driven to move downwards, when the transmission rod 12 moves downwards, the movable plate 15 can be driven to move downwards, and because the threaded connection between the ball screw 16 and the ball screw nut 17 does not have self-locking property, so when two ball screw nuts 17 move down, can drive two ball screw 16 and rotate, and set for the screw thread opposite direction on two ball screw 16, therefore, two ball screw 16 is when rotating, its rotation direction is also opposite, consequently, can drive two push rods 23 and rotate, further can promote two locating plates 240 and be close to each other, until with the inseparable cartridge of cardboard 22, when slide 26 carries out lateral shifting, can drive wedge plate 32 and remove, when two cavity wallboard 1 realize stable connection, can make wedge plate 32 run through the removal hole, wedge plate 32 carries out the inclined plane of time simultaneously and can contact with the gyro wheel, the locating lever 28 just can upwards move along wedge plate 32's inclined plane, so as to apply pressure to reset spring 31 through the fixed plate, at locating lever 28 moves to the draw-in hole department, reset spring 31 that is in under the stress state just can promote locating lever 28 down, make locating lever 28 run through the draw-in hole, realize fixing a position wedge plate 32, further can prevent that L type 18 from taking place at will, and make two take place at will and rotate, and make the practicality is good, and the convenience is convenient when the realization is high-speed, and easy and stable use, and easy to detach.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (8)
1. The utility model provides a high strength lightweight concrete prefabricated plate, includes cavity wallboard (1), a serial communication port, symmetrical fixed mounting has two concrete backup pad (2) in cavity wallboard (1), and symmetrical fixed mounting has two installation covers (3) on the one side inner wall of cavity wallboard (1), symmetrical rotation is connected with two L type depression bars (4) on the one side inner wall of installation cover (3), symmetrical sliding connection has two reference columns (11) on the opposite side inner wall of cavity wallboard (1), and the one end of two reference columns (11) all extends to the outside of cavity wallboard (1), the top symmetrical sliding connection of cavity wallboard (1) has two locating plates (24), and rotates on the one side inner wall of cavity wallboard (1) to be connected with L type swinging arms (18), L type swinging arms (18) respectively with four L type depression bars (4), two reference columns (11) and two locating plates (24) transmission are connected, the bottom fixed mounting of cavity wallboard (1) has card cover (21), and the top of card cover (21) on the inner wall fixed mounting has two card plates (22) and card board (24) and card board.
2. The high-strength lightweight concrete precast slab according to claim 1, wherein a double-sided rack (6) is slidably connected on an inner wall of one side of the mounting cover (3), a transmission gear (5) is fixedly sleeved on the L-shaped pressing rod (4), the two transmission gears (5) are meshed with the double-sided rack (6), one ends of the two double-sided racks (6) are extended into the hollow wallboard (1) and fixedly provided with the same connecting rod (8), one side of the connecting rod (8) is fixedly provided with a movable rod (9), one end of the movable rod (9) is fixedly provided with a mounting rod (10), one side of the mounting rod (10) is fixedly connected with the other ends of the two positioning posts (11) respectively, the L-shaped swinging rod (18) is in transmission connection with the movable rod (9), the movable rod (9) is in transmission connection with the two positioning plates (24) respectively, one side of the L-shaped pressing rod (4) is fixedly provided with a clamping rod (7), one side of the positioning posts (11) are provided with a bayonet, one side and one side of the bottom of the positioning posts (11) is fixedly provided with a bayonet, and one side of the bayonet (7) is respectively movably provided with two bayonet locks.
3. The high-strength lightweight concrete precast slab as claimed in claim 2, wherein the movable rod (9) is slidably connected with a transmission rod (12), the top end of the transmission rod (12) is slidably connected with a movable plate (15), the movable plate (15) is slidably connected with the inner wall of the hollow wallboard (1), the top inner wall of the hollow wallboard (1) is symmetrically and rotatably connected with two ball screws (16), the top ends of the two ball screws (16) are respectively extended to the upper side of the hollow wallboard (1), the ball screws (16) are fixedly sleeved with push rods (23) positioned above the hollow wallboard (1), one ends, close to each other, of the two push rods (23) are respectively and rotatably connected with a slip ring (25), the two slip rings (25) are respectively and slidably connected with two positioning plates (24), the top of the movable plate (15) is symmetrically and fixedly provided with two ball nuts (17), the two ball screws (16) penetrate through the two ball nuts (17) and the movable plate (15) and are respectively connected with the two ball nuts (17), the bottom of the transmission rod (23) is rotatably connected with one side of the transmission rod (13), and the transmission rod (12) is rotatably connected with one side of the concrete precast slab (13).
4. A precast high strength lightweight concrete panel according to claim 3, wherein the transmission rod (12) is sleeved with a compression spring (14) above the movable rod (9), and the top and bottom ends of the compression spring (14) are fixedly connected with the top end of the transmission rod (12) and the top of the movable rod (9), respectively.
5. A precast high strength lightweight concrete slab as claimed in claim 2, wherein a movable rack (20) is fixedly installed on one side of the top of the movable rod (9), and a rotary gear (19) is fixedly sleeved on the L-shaped swinging rod (18), and the rotary gear (19) is meshed with the movable rack (20).
6. The high-strength lightweight concrete precast slab as claimed in claim 1, wherein one end of the L-shaped swinging rod (18) extends to the outer side of the hollow wallboard (1), a reset rod (30) is rotatably connected to one side of the bottom of the L-shaped swinging rod (18), a sliding cover (26) is fixedly arranged on one side of the hollow wallboard (1), a sliding plate (29) is slidably connected to the sliding cover (26), one side of the sliding plate (29) extends to the outer side of the sliding cover (26), the reset rod (30) penetrates through the sliding plate (29) and is slidably connected with the sliding plate (29), and the sliding plate (29) is movably clamped with the sliding cover (26).
7. The high-strength lightweight concrete precast slab as claimed in claim 6, wherein a wedge plate (32) located in the sliding cover (26) is fixedly installed on one side of the sliding plate (29), a moving hole is formed in an inner wall of one side of the sliding cover (26), one side of the wedge plate (32) penetrates through the moving hole and extends to the outer side of the sliding cover (26), a limit post (27) is fixedly installed on one side of the top of the sliding cover (26), a fixing plate is slidingly connected to the limit post (27), a locating rod (28) is fixedly installed on one side of the bottom of the fixing plate, a clamping hole is formed in the wedge plate (32), the bottom end of the locating rod (28) penetrates through the clamping hole and is rotationally connected with a roller, the locating rod (28) is clamped with the clamp Kong Huodong, a reset spring (31) is sleeved on the limit post (27), and the top end and the bottom end of the reset spring (31) are fixedly connected with the top end of the limit post (27) and the top of the fixing plate respectively.
8. The high-strength lightweight concrete precast slab as recited in claim 6, wherein the return spring (33) located below the sliding plate (29) is sleeved on the return rod (30), and the top end and the bottom end of the return spring (33) are fixedly connected with the bottom of the sliding plate (29) and the bottom end of the return rod (30) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110699627.0A CN113250374B (en) | 2021-06-23 | 2021-06-23 | High-strength lightweight concrete precast slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110699627.0A CN113250374B (en) | 2021-06-23 | 2021-06-23 | High-strength lightweight concrete precast slab |
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| CN113250374A CN113250374A (en) | 2021-08-13 |
| CN113250374B true CN113250374B (en) | 2023-06-20 |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LU91649B1 (en) * | 2010-02-12 | 2011-08-16 | Miscanthus Nawaro Innovations S A | Insulating components |
| CN207905231U (en) * | 2017-08-14 | 2018-09-25 | 深圳中壹建设工程有限公司 | A kind of concrete light hollow wall panel |
| CN111535502A (en) * | 2020-05-11 | 2020-08-14 | 重庆文理学院 | Prefabricated wall body of assembled building |
| CN112127542B (en) * | 2020-10-15 | 2024-07-05 | 金螳螂精装科技（苏州）有限公司 | Effectual assembled steel construction wallboard keeps warm |
| CN112538901A (en) * | 2020-12-02 | 2021-03-23 | 李燕芝 | Assembly type integrated connecting device for construction equipment |
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