CN214195538U

CN214195538U - Cast-in-situ concrete floor post-cast strip formwork support device

Info

Publication number: CN214195538U
Application number: CN202022595136.5U
Authority: CN
Inventors: 韩建荣; 蔡蓉蓉; 周怡; 张挺; 张峰
Original assignee: Zhejiang Juntai Construction Co ltd
Current assignee: Zhejiang Juntai Construction Co ltd
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-09-14
Anticipated expiration: 2030-11-11

Abstract

The utility model provides a cast-in-place concrete floor post-cast strip template strutting arrangement. The cast-in-situ concrete floor post-cast strip template supporting device comprises a floor slab; an upper template structure; the bottom template structure comprises a baffle plate and a bearing rod; the supporting structure is fixed on the top surface of the next floor slab and comprises a base, a lower screw rod, an adjusting cylinder, an upper screw rod and a supporting cylinder; the jacking structure is rotatably connected to the top end of the upper screw rod and comprises a sleeve, a rotating handle, a threaded cylinder, a screw rod, a jacking column and a fixing plate; the pressing structure is fixed on the side wall of the top end of the supporting cylinder and comprises a cross rod, a supporting rod, a lifting sleeve, a sliding groove, a transmission rod, a supporting rod, a sliding rod, a pushing block and a sliding cylinder. The utility model provides a cast-in-place concrete floor post-cast strip template strutting arrangement has the advantage of simplifying the installation, the supporting effect is good and avoid leaking the thick liquid.

Description

Cast-in-situ concrete floor post-cast strip formwork support device

Technical Field

The utility model relates to a technical field that the post-cast strip was pour especially relates to a cast-in-place concrete floor post-cast strip template strutting arrangement.

Background

The post-cast strip is a temporary construction joint reserved at corresponding positions of a foundation slab, a wall and a floor slab according to design or construction specification requirements for preventing harmful cracks possibly generated by uneven self shrinkage or uneven settlement of a cast-in-place reinforced concrete structure in building construction, and concrete is re-cast after a period of time.

In the existing post-cast strip concrete formwork construction process, a wood formwork is generally used for formwork support, and a steel pipe back-jacking mode is adopted at the lower part of the formwork, but the mode needs a large amount of steel pipes for support, so that a large amount of labor and time are needed during installation and disassembly, and the construction of other workers is influenced by the erection of a large amount of steel pipes; and the top of the steel pipe is not stably fixed with the wooden template, and meanwhile, the template is stressed unevenly, so that the template is not contacted with the concrete surface tightly, and the phenomenon of slurry leakage at the edges of the wood board occurs easily.

Therefore, there is a need for a new support device for a post-cast strip formwork of a cast-in-situ concrete floor to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a simplify installation, the support effect is good and avoid leaking cast-in-place concrete floor post-cast strip template strutting arrangement of thick liquid.

The utility model provides a cast-in-place concrete floor post-cast strip template strutting arrangement includes: a floor slab; the upper template structure is arranged on the top surface of the floor slab; the bottom formwork structure is fixed on the bottom surface of the floor slab and comprises baffle plates and bearing rods, the top surfaces of the baffle plates are abutted against the bottom surface of the floor slab, and the three bearing rods are respectively fixed in the middle of the bottom surface of the baffle plate and at the edges of two sides of the bottom surface of the baffle plate; the supporting structure is fixed on the top surface of the next floor slab, the supporting structure comprises a base, a lower screw rod, an adjusting cylinder, an upper screw rod and a supporting cylinder, the base is fixed on the top surface of the next floor slab through a bolt, the bottom end of the lower screw rod is fixed on the top surface of the base, the adjusting cylinder is in threaded connection with the top end of the lower screw rod, the bottom end of the upper screw rod is in threaded connection with the adjusting cylinder, and the supporting cylinder is installed at the top end of the upper screw rod; the jacking structure is rotatably connected to the top end of the upper screw rod and comprises a sleeve, a rotating handle, a threaded cylinder, a screw rod, a top column and a fixed plate, the sleeve is respectively rotatably connected with the top end of the upper screw rod and the bottom end of the supporting cylinder, the rotating handle is rotatably connected to the outer side wall of the sleeve, the threaded cylinder is rotatably connected inside the supporting cylinder, the bottom end of the threaded cylinder is fixed inside the sleeve, the screw rod is in threaded connection with the inside of the top end of the threaded cylinder, the top column is fixed at the top end of the screw rod, the bottom surface of the fixed plate is fixed at the top surface of the top column, and the top surface of the fixed plate is fixed at the bottom surface of the middle bearing rod; the pressing structure is fixed on the top side wall of the supporting cylinder and comprises transverse rods, supporting rods, lifting sleeves, sliding grooves, a transmission rod, supporting rods, sliding rods, a pushing block and a sliding cylinder, one ends of the two transverse rods are symmetrically fixed on the top side wall of the supporting cylinder, the bottoms of the two supporting rods are respectively fixed on the top surfaces of the other ends of the two transverse rods, the lifting sleeves are in threaded connection with the outer wall of the threaded cylinder, the sliding grooves are formed in the side walls of the supporting rods, one ends of the transmission rods are rotatably connected with the side walls of the lifting sleeves, the other ends of the transmission rods are slidably connected inside the sliding grooves, the bottom ends of the supporting rods are fixed on the top surfaces of the transverse rods, the top ends of the supporting rods are rotatably connected with one third parts of the transmission rods, and the bottom ends of the sliding rods are fixed on the bottom ends of the inside of the supporting rods, the ejector pad rotate connect in the other end of transfer line, just the ejector pad with slide bar sliding connection, the slide cartridge with sliding connection between the slide bar, just the ejector pad is contradicted the bottom of slide cartridge.

Preferably, the upper die plate structure comprises side die plates, reinforcing steel bars and fixing rods, the side die plates are fixed to two sides of a post-cast strip on the floor slab, the fixing rods are fixed to the outer side walls of the side die plates and the top surface of the floor slab, and the reinforcing steel bars are fixed to the post-cast strip on the floor slab.

Preferably, the jacking structure still includes limit sleeve and connecting rod, limit sleeve with sliding connection between the fore-set, the one end of connecting rod is fixed in limit sleeve's lateral wall, the other end is fixed in the lateral wall of bracing piece.

Preferably, the top column and the limiting sleeve are of rectangular structures, and the side length of the hollow part of the limiting sleeve is equal to that of the top column.

Preferably, the screw thread and moving direction of the screw are opposite to those of the lifting sleeve.

Preferably, the bottom surfaces of the other two fixing plates abut against the top ends of the supporting rods, and the bottom surfaces of the fixing plates are in sliding connection with the top ends of the sliding cylinders.

Compared with the prior art, the utility model provides a cast-in-place concrete floor post-cast strip template strutting arrangement has following beneficial effect:

the utility model provides a cast-in-place concrete floor post-cast strip template strutting arrangement, through the rotation of adjusting a section of thick bamboo risees go up the lead screw, promote the fore-set top the fixed plate with the bracing piece top the fixed plate jacking respectively the baffle with the bearing bar, and utilize the sleeve drives the rotation of a screw thread section of thick bamboo, thereby drive the screw rod with lifting sleeve antiport, and then make the fore-set with the slide cartridge is ascending, finally will the baffle tightly with the laminating of the bottom surface of floor effectively prevents the post-cast strip seam and leaks thick liquid, moreover the utility model discloses simple structure not only can reduce the use of support column, has simplified installation steps moreover, labour saving and time saving, and space utilization is high simultaneously, does not account for the space.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of a support device for a post-cast strip formwork of a cast-in-situ concrete floor provided by the present invention;

FIG. 2 is a schematic cross-sectional view of the jacking structure and the compacting structure shown in FIG. 1;

fig. 3 is an enlarged schematic view of the portion a shown in fig. 2.

Reference numbers in the figures: 1. floor, 2, cope match-plate pattern, 21, side form, 22, reinforcing bar, 23, dead lever, 3, die block structure, 31, baffle, 32, bearing bar, 4, bearing structure, 41, base, 42, lower lead screw, 43, adjusting cylinder, 44, upper lead screw, 45, supporting cylinder, 5, jacking structure, 51, sleeve, 52, rotating handle, 53, screw thread cylinder, 54, screw, 55, fore-set, 56, spacing sleeve, 57, connecting rod, 58, fixed plate, 6, hold-down structure, 61, horizontal pole, 62, bracing piece, 63, lifting sleeve, 64, spout, 65, driving rod, 66, branch, 67, slide bar, 68, ejector pad, 69, slide cartridge.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2 and fig. 3, wherein fig. 1 is a schematic structural view of a preferred embodiment of a support device for a post-cast strip formwork of a cast-in-situ concrete floor slab according to the present invention; FIG. 2 is a schematic cross-sectional view of the jacking structure and the compacting structure shown in FIG. 1; fig. 3 is an enlarged schematic view of the portion a shown in fig. 2. Cast-in-place concrete floor post-cast strip template strutting arrangement includes: a floor slab 1; the upper template structure 2 is arranged on the top surface of the floor slab 1; the bottom formwork structure 3 is fixed on the bottom surface of the floor slab 1, the bottom formwork structure 3 comprises baffle plates 31 and bearing rods 32, the top surfaces of the baffle plates 31 abut against the bottom surface of the floor slab 1, and the three bearing rods 32 are respectively fixed in the middle of the bottom surface of the baffle plates 31 and at the edges of the two sides of the bottom surface of the baffle plates 31; the supporting structure 4 is fixed on the top surface of the next floor slab 1, the supporting structure 4 comprises a base 41, a lower screw rod 42, an adjusting cylinder 43, an upper screw rod 44 and a supporting cylinder 45, the base 41 is fixed on the top surface of the next floor slab 1 through bolts, the bottom end of the lower screw rod 42 is fixed on the top surface of the base 41, the adjusting cylinder 43 is in threaded connection with the top end of the lower screw rod 42, the bottom end of the upper screw rod 44 is in threaded connection with the adjusting cylinder 43, and the supporting cylinder 45 is installed at the top end of the upper screw rod 44; the jacking structure 5 is rotatably connected to the top end of the upper screw rod 44, the jacking structure 5 comprises a sleeve 51, a rotating handle 52, a threaded cylinder 53, a screw rod 54, a top column 55 and a fixing plate 58, the sleeve 51 is respectively rotatably connected with the top end of the upper screw rod 44 and the bottom end of the supporting cylinder 45, the rotating handle 52 is rotatably connected to the outer side wall of the sleeve 51, the threaded cylinder 53 is rotatably connected inside the supporting cylinder 45, the bottom end of the threaded cylinder 53 is fixed inside the sleeve 51, the screw rod 54 is in threaded connection with the inside of the top end of the threaded cylinder 53, the top column 55 is fixed to the top end of the screw rod 54, the bottom surface of the fixing plate 58 is fixed to the top surface of the top column 55, and the top surface of the fixing plate 58 is fixed to the bottom surface of the middle bearing rod 32; the pressing structure 6 is fixed on the top side wall of the supporting cylinder 45, the pressing structure 6 comprises a cross rod 61, a supporting rod 62, a lifting sleeve 63, a sliding groove 64, a transmission rod 65, a supporting rod 66, a sliding rod 67, a push block 68 and a sliding cylinder 69, one end of each of the cross rods 61 is symmetrically fixed on the top side wall of the supporting cylinder 45, the bottom ends of the two supporting rods 62 are respectively fixed on the top surfaces of the other ends of the cross rods 61, the lifting sleeve 63 is in threaded connection with the outer wall of the threaded cylinder 53, the sliding groove 64 is arranged on the side wall of the supporting rod 62, one end of the transmission rod 65 is rotatably connected with the side wall of the lifting sleeve 63, the other end of the transmission rod 65 is slidably connected inside the sliding groove 64, the bottom end of the supporting rod 66 is fixed on the top surface of the cross rod 61, and the top end of the supporting rod 66 is rotatably connected with one third of the transmission rod 65, the bottom end of slide bar 67 is fixed in the inside bottom of bracing piece 62, ejector pad 68 rotate connect in the other end of transfer line 65, just ejector pad 68 with slide bar 67 sliding connection, slide cartridge 69 with sliding connection between the slide bar 67, just ejector pad 68 contradicts the bottom of slide cartridge 69.

In the specific implementation process, as shown in fig. 1, the upper template structure 2 includes side templates 21, reinforcing steel bars 22 and fixing rods 23, the side templates 21 are fixed on two sides of a post-cast strip on the floor slab 1, the fixing rods 23 are fixed on the outer side walls of the side templates 21 and the top surface of the floor slab 1, and the reinforcing steel bars 22 are fixed in the post-cast strip on the floor slab 1 and used for pouring beams on the upper layer of the post-cast strip.

In a specific implementation process, as shown in fig. 1 and 2, the jacking structure 5 further includes a limiting sleeve 56 and a connecting rod 57, the limiting sleeve 56 is slidably connected to the top pillar 55, one end of the connecting rod 57 is fixed to a side wall of the limiting sleeve 56, and the other end of the connecting rod 57 is fixed to a side wall of the supporting rod 62, the limiting sleeve 56 can prevent the top pillar 55 from rotating, and meanwhile, the two ends of the connecting rod 57 are connected to the limiting sleeve 56 and the supporting rod 62, so that a supporting force of the supporting rod 62 can be increased.

In a specific implementation process, as shown in fig. 1 and fig. 2, the top pillar 55 and the limiting sleeve 56 are rectangular structures, and the length of the hollow part of the limiting sleeve 56 is equal to the length of the top pillar 55, so that the top pillar 55 can be properly sleeved by the limiting sleeve 56, the rectangular shapes of the two can well prevent the top pillar 55 from rotating, and thus the function of lifting the screw 54 is realized.

In the specific implementation, as shown in fig. 1 and 2, the screw threads and the moving direction of the screw 54 are opposite to those of the lifting sleeve 63, because the up-and-down movement and the rotation of the screw 54 and the lifting sleeve 63 are realized by the rotation of the screw barrel 53, in order to achieve the purpose that the screw 54 ascends and the lifting sleeve 63 descends, the screw threads on the two side walls of the lifting sleeve 63 must be opposite.

In a specific implementation process, as shown in fig. 1, the bottom surfaces of the other two fixing plates 58 abut against the top ends of the supporting rods 62, and the bottom surfaces of the fixing plates 58 are slidably connected with the top end of the sliding cylinder 69, so that the sliding cylinder 69 can drive the fixing plates 58 to smoothly and vertically rise when rising along the inclined sliding rods 67.

The utility model provides a cast-in-place concrete floor post-cast strip template strutting arrangement's theory of operation as follows:

firstly fixing a plurality of steel bars in a post-cast strip, then installing the side templates 21 on the edge of the floor slab 1 and fixing the side templates with the fixing rods 23, then fixing the baffle plate 31 on the bottom edge of the floor slab 1 on both sides of the post-cast strip, fixing three bearing rods 32 on the bottom surface of the baffle plate 31 at equal intervals, then placing the supporting structure 4 under the baffle plate 31, installing the base 41 on the top surface of the floor slab 1 on the lower layer through fixing bolts, rotating the adjusting cylinder 43, rotating the inside of the adjusting cylinder 43 at the top end of the lower screw rod 42 and the bottom end of the upper screw rod 44, simultaneously lifting the adjusting cylinder 43 and the upper screw rod 44, and driving the jacking structure 5 and the supporting cylinder 45 to lift by the upper screw rod 44 until the fixing plate 58 at the top end of the screw rod 54 and the fixing plate 58 at the top end of the supporting rod 62 respectively abut against the bottom surfaces of the bearing rods 32, fixing the fixing plate 58 to the bottom surface of the bearing bar 32 by using a fixing bolt; at this time, the baffle plate 31 is not completely attached to the bottom surface of the floor slab 1, and a gap on the bottom surface of a post-cast strip is not pressed, so that the special plate 52 is rotated, the rotating handle 52 drives the sleeve 51 to rotate around the upper screw rod 44, and because the supporting cylinder 45 is fixed with the supporting rod 62, the supporting cylinder 45 cannot rotate, namely the sleeve 51 drives the threaded cylinder 53 to rotate, the rotation of the threaded cylinder 53 causes the screw rod 54 to ascend, the screw rod 54 drives the top column 55 to slide in the limiting sleeve 56, the top column 55 pushes the fixing plate 58 to ascend, and the fixing plate 58 pushes the middle bearing rod 32 and the baffle plate 31 to ascend; meanwhile, the threaded cylinder 53 drives the lifting sleeve 63 to descend, the lifting sleeve 63 pushes one end of the transmission rod 65 to descend, the middle part of the transmission rod 65 rotates around the top end of the supporting rod 66, so the other end of the transmission rod 65 drives the push block 68 to slide on the sliding rod 67, the push block 68 and the other end of the transmission rod 65 slide relatively, the push block 68 slides upwards along the sliding rod 67 and pushes the sliding cylinder 69 to slide upwards, the sliding cylinder 69 pushes the fixing plate 58 at the top end of the sliding cylinder to ascend and slides relatively to the bottom surface of the fixing plate 58, the fixing plate 58 pushes the bearing rod 32 and the edge of the baffle 31 at two sides upwards, and the baffle 31 is integrally pushed upwards by matching with the jacking structure 5, so that the baffle 31 is tightly attached to the bottom surface of the floor slab 1, slurry leakage of the post-cast strip is effectively avoided; when the side formwork is dismantled, firstly, the fixing bolt for fixing the fixing plate 58 is removed, so that the fixing plate 58 is separated from the bottom surface of the bearing rod 32, then the rotating handle 52 is reversely rotated in the above manner, so that the jacking structure 5 and the pressing structure 6 are retracted, then the adjusting cylinder 43 is reversely rotated, so that the heights of the upper screw rod 44 and the adjusting cylinder 43 are lowered, and finally, the fixing bolt on the base 41 is removed, and the baffle 31 and the side formwork 21 are removed.

the utility model provides a cast-in-place concrete floor post-cast strip template strutting arrangement, through the rotation of adjusting a section of thick bamboo 43 is risen go up lead screw 44, promote the fore-set 55 top fixed plate 58 with bracing piece 62 top fixed plate 58 respectively the jacking the baffle with bearing bar 32, and utilize sleeve 51 drives screw thread section of thick bamboo 53's rotation, thereby drive screw rod 54 with lifting sleeve 63 antiport, and then make the fore-set 55 with slide cylinder 69 rises, finally will baffle 31 tightly with floor 1's bottom surface laminating prevents effectively that post-cast strip seam from leaking thick liquid, moreover the utility model discloses simple structure not only can reduce the use of support column, has simplified installation steps moreover, labour saving and time saving, and space utilization is high simultaneously, does not account for the space.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a cast-in-place concrete floor post-cast strip template strutting arrangement which characterized in that includes:

a floor (1);

the upper template structure (2), the upper template structure (2) is arranged on the top surface of the floor slab (1);

the bottom formwork structure (3) is fixed to the bottom surface of the floor slab (1), the bottom formwork structure (3) comprises a baffle (31) and bearing rods (32), the top surface of the baffle (31) abuts against the bottom surface of the floor slab (1), and the three bearing rods (32) are respectively fixed to the middle of the bottom surface of the baffle (31) and the edges of the two sides of the bottom surface of the baffle (31);

the supporting structure (4) is fixed on the top surface of the floor (1) on the next floor, the supporting structure (4) comprises a base (41), a lower screw rod (42), an adjusting cylinder (43), an upper screw rod (44) and a supporting cylinder (45), the base (41) is fixed on the top surface of the floor (1) on the next floor through bolts, the bottom end of the lower screw rod (42) is fixed on the top surface of the base (41), the adjusting cylinder (43) is in threaded connection with the top end of the lower screw rod (42), the bottom end of the upper screw rod (44) is in threaded connection with the adjusting cylinder (43), and the supporting cylinder (45) is installed at the top end of the upper screw rod (44);

the jacking structure (5), the jacking structure (5) is rotatably connected to the top end of the upper screw rod (44), the jacking structure (5) comprises a sleeve (51), a rotating handle (52), a threaded cylinder (53), a screw rod (54), a top column (55) and a fixing plate (58), the sleeve (51) is respectively rotatably connected with the top end of the upper screw rod (44) and the bottom end of the supporting cylinder (45), the rotating handle (52) is rotatably connected to the outer side wall of the sleeve (51), the threaded cylinder (53) is rotatably connected to the inside of the supporting cylinder (45), the bottom end of the threaded cylinder (53) is fixed to the inside of the sleeve (51), the screw rod (54) is in threaded connection with the inside of the top end of the threaded cylinder (53), the top column (55) is fixed to the top end of the screw rod (54), and the bottom surface of the fixing plate (58) is fixed to the top surface of the top column (55), the top surface of the fixing plate (58) is fixed on the bottom surface of the bearing rod (32) in the middle;

the pressing structure (6), the pressing structure (6) is fixed on the top side wall of the supporting cylinder (45), the pressing structure (6) comprises a cross rod (61), a supporting rod (62), a lifting sleeve (63), a sliding groove (64), a transmission rod (65), a supporting rod (66), a sliding rod (67), a push block (68) and a sliding cylinder (69), one end of each of the two cross rods (61) is symmetrically fixed on the top side wall of the supporting cylinder (45), the bottom ends of the two supporting rods (62) are respectively fixed on the top surfaces of the other ends of the two cross rods (61), the lifting sleeve (63) is in threaded connection with the outer wall of the threaded cylinder (53), the sliding groove (64) is arranged on the side wall of the supporting rod (62), one end of the transmission rod (65) is rotatably connected with the side wall of the lifting sleeve (63), and the other end is slidably connected with the inside of the sliding groove (64), the bottom mounting of branch (66) is in the top surface of horizontal pole (61), just the top of branch (66) with the third department of transfer line (65) rotates the connection, the bottom mounting of slide bar (67) is in the inside bottom of bracing piece (62), ejector pad (68) rotate connect in the other end of transfer line (65), just ejector pad (68) with slide bar (67) sliding connection, slide cartridge (69) with sliding connection between slide bar (67), just ejector pad (68) are contradicted the bottom of slide cartridge (69).

2. The cast-in-place concrete floor post-cast strip formwork supporting device according to claim 1, wherein the upper formwork structure (2) comprises side formworks (21), reinforcing steel bars (22) and fixing rods (23), the side formworks (21) are fixed on two sides of a post-cast strip on the floor slab (1), the fixing rods (23) are fixed on the outer side walls of the side formworks (21) and the top surface of the floor slab (1), and the reinforcing steel bars (22) are fixed in the post-cast strip on the floor slab (1).

3. A cast-in-situ concrete floor post-cast strip formwork support device according to claim 1, wherein the jacking structure (5) further comprises a limiting sleeve (56) and a connecting rod (57), the limiting sleeve (56) is slidably connected with the top pillar (55), one end of the connecting rod (57) is fixed to the side wall of the limiting sleeve (56), and the other end of the connecting rod is fixed to the side wall of the supporting rod (62).

4. A cast-in-situ concrete floor post-cast strip formwork support device according to claim 3, wherein the top pillar (55) and the limit sleeve (56) are rectangular structures, and the length of the hollow part side of the limit sleeve (56) is equal to the length of the top pillar (55).

5. A cast-in-situ concrete floor post-cast strip formwork support device according to claim 1, wherein the screw (54) has a thread and a moving direction opposite to those of the lifting sleeve (63).

6. A cast-in-situ concrete floor post-cast strip formwork support device according to claim 1, wherein the bottom surfaces of the other two fixing plates (58) abut against the top ends of the support rods (62), and the bottom surfaces of the fixing plates (58) are slidably connected with the top ends of the slide cylinders (69).