CN209780238U

CN209780238U - Structure for fixing templates on two sides of expansion joint

Info

Publication number: CN209780238U
Application number: CN201920260852.2U
Authority: CN
Inventors: 孙伟; 吴杰; 孙旦
Original assignee: Wuxi Henry Fu Construction And Development Co Ltd
Current assignee: Wuxi Henry Fu Construction And Development Co Ltd
Priority date: 2019-02-28
Filing date: 2019-02-28
Publication date: 2019-12-13
Anticipated expiration: 2029-02-28

Abstract

The utility model discloses a structure for expansion joint both sides fixed die plate belongs to building engineering technical field. Including interior template, exterior sheathing and ground, the interior template bottom surface is fixed with the spacing board, seted up on the ground with limiting plate matched with spacing groove, the exterior sheathing sets up on the ground, the hole one has been seted up on the exterior sheathing board body, the interior sheathing board body seted up with hole one matched with hole two, wear to be equipped with the clamping piece that is used for tightening up exterior sheathing and interior sheathing in the hole one, the clamping piece includes umbrella-shaped card, dead lever and fastening nut, the umbrella-shaped card includes disc and tongs. When the wall inner formwork and the wall outer formwork are built on two sides of the expansion joint, the disc and the gripper on the umbrella-shaped clamp can be detached, the replacement is convenient, and the resource waste is reduced.

Description

structure for fixing templates on two sides of expansion joint

Technical Field

The utility model relates to a building engineering technical field, in particular to a structure for expansion joint both sides fixed die plate.

Background

for an expansion joint with a small building height, the clearance between the shear walls on the two sides of the expansion joint is small, so that the construction of the template of the double shear walls is very troublesome, the workload of constructors is large in the construction process, the splicing of the template is excessive, and the construction quality of the shear walls is influenced.

At present, chinese patent with publication number CN208380078U discloses a structure for fixed templates on two sides of an expansion joint, which comprises an inner template and an outer template, wherein the inner template is fixed on a limiting part, the outer template is arranged on a wall base, reserved holes which are mutually communicated are formed in the two templates, tensioning clamps used for tightening the outer template and the inner template are arranged in the reserved holes in a penetrating manner, each tensioning clamp comprises a fixed rod and an umbrella-shaped clamp, the fixed rod is slidably connected with the umbrella-shaped clamp, round steel is arranged between the umbrella-shaped clamp and the outer template, and an interval between the outer template and the inner template is used for pouring a wall body. The structure has the advantages that when the wall body templates are built on the two sides of the expansion joint, the construction process is simpler, more convenient and faster.

After the inner template and the outer template are installed, the umbrella-shaped clamp is of an integral structure which cannot be disassembled, when the umbrella-shaped clamp is clamped in the process of fixing round steel and is in long-term contact abrasion with the surface of the round steel, the umbrella-shaped clamp can be integrally and completely discarded after being damaged, and resource waste is easily caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a structure for expansion joint both sides fixed die plate. The umbrella-shaped card can be detached and replaced conveniently, and resource waste is reduced.

The above technical purpose of the present invention can be achieved by the following technical solutions:

A structure for fixing templates at two sides of an expansion joint comprises an inner template, an outer template and a foundation, wherein a limiting plate is fixed on the bottom surface of the inner template, a limiting groove matched with the limiting plate is formed in the foundation, the outer template is arranged on the foundation, a first hole is formed in the outer template, a second hole matched with the first hole is formed in the inner template, a clamping element is arranged between the outer template and the inner template in a penetrating mode and comprises an umbrella-shaped clamp, a fixing rod and a fastening nut, the umbrella-shaped clamp is connected with the fixing rod in a sliding mode and abuts against the surface, away from the inner template, of the outer template, the fastening nut abuts against the umbrella-shaped clamp, the umbrella-shaped clamp comprises a disc and a gripper, a fixing block is fixed on the gripper, a fixing groove matched with the fixing block is formed in the disc, and locking holes communicated with each other are formed between the gripper and the, the locking hole is internally provided with a bolt in a penetrating way, the disc is provided with a connecting hole matched with the bolt, and the bolt sequentially penetrates through the locking hole and the connecting hole.

Through adopting above-mentioned technical scheme, the limiting plate is put into the spacing groove, can carry on spacingly to the limiting plate, and limiting plate and inner formword fixed connection make the inner formword stand upright subaerial more firmly, and the spacing groove can realize the accuracy of inner formword in the ground internal position. And a space formed between the outer template and the inner template is used for pouring the wall body. During the fixed slot was put into to the fixed block on the tongs, can carry out accurate location to the position of tongs on the disc, the bolt passes locking hole and connecting hole in proper order, links together tongs and disc through the bolt, has realized tongs and disc detachable connection, and the tongs can directly be changed the tongs after long-term wearing and tearing damage when conflicting with the exterior sheathing convenient to use.

Furthermore, the locking hole comprises a first hole and a second hole, the first hole is formed in the hand grip, the second hole is formed in the fixing block, the diameter of the second hole is larger than that of the first hole, a telescopic spring is placed in the second hole and penetrates through the inserting pin, the inserting pin penetrates through the locking hole and extends into the connecting hole, an adjusting plate is fixed to the other end of the inserting pin and is arranged in the second hole, and two ends of the telescopic spring are respectively abutted to the bottom of the second hole and the adjusting plate.

through adopting above-mentioned technical scheme, pulling bolt, the bolt can be through the downthehole expanding spring of locking in locking hole removal in locking hole and connecting hole. When the hand grip and the disc need to be disassembled, the bolt extrudes the telescopic spring through the adjusting plate and the upper end of the second hole in the locking hole to enable the bolt to be far away from the connecting hole, so that the hand grip and the disc are disassembled, the bolt does not need to be taken out of the hand grip in the operation process, the bolt does not need to be placed in another position, and the bolt is prevented from being accidentally lost in the operation process.

Furthermore, a limiting hole is formed in the limiting plate, a threaded rod penetrates through the limiting hole, a reserved plate is pre-embedded in the bottom of the foundation, which is close to the limiting groove, a limiting threaded hole corresponding to the threaded rod is formed in the reserved plate, and a compression nut is connected to the threaded rod in a threaded manner.

Through adopting above-mentioned technical scheme, the screw hole of seting up on the pre-buried reservation board cooperatees with spacing hole, and the threaded rod passes the spacing hole of seting up on the limiting plate, and rotatory gland nut stretches into to the threaded rod to the spacing threaded hole on reserving the board, continues rotatory gland nut to make gland nut contradict on the limiting plate, and gland nut presss from both sides the limiting plate tightly in the fixed slot with reservation board for the position of stopper in the spacing groove is more firm, thereby guarantees that the inner formword is upright steadily subaerial.

Furthermore, an insertion hole is formed in one end, far away from the fastening nut, of the fixing rod, and a reinforcing steel bar is inserted into the insertion hole.

Through adopting above-mentioned technical scheme, when tightening up outer formword and inner formword, the reinforcing bar is contradicted on the surface that the outer formword was kept away from to the inner formword, can tighten up outer formword and inner formword better.

Furthermore, the surface of the steel bar is provided with a groove.

through adopting above-mentioned technical scheme, the slot on reinforcing bar surface can increase the frictional force between patchhole and the reinforcing bar, reduces the reinforcing bar and rocks in the patchhole at the in-process of tightening up inner formword and exterior sheathing, avoids tightening up the in-process reinforcing bar of reinforcing bar and rocks the wearing and tearing inner formword surface.

Furthermore, a protective plate is clamped between the steel bars and the inner formwork.

Through adopting above-mentioned technical scheme, including the protection shield between reinforcing bar and the inner formword, when tightening up inner formword and cope match-plate pattern, can increase the area of contact of reinforcing bar and inner formword, make inner formword and cope match-plate pattern tighten up better, also can avoid simultaneously tightening up the wearing and tearing of reinforcing bar to the inner formword when outer formword and inner formword.

Furthermore, the umbrella-shaped clamp comprises two pairs of hand grips, one pair of hand grips are horizontally arranged, the other pair of hand grips are vertically arranged, a steel pipe is arranged between the umbrella-shaped clamp and the outer template, the steel pipe comprises a transverse steel pipe and a longitudinal steel pipe, and the transverse steel pipe and the longitudinal steel pipe are arranged on the surface of the outer template, far away from the inner template, in a criss-cross mode.

Through adopting above-mentioned technical scheme, steel pipe vertically and horizontally staggered sets up, and the structural strength of outer inner formword strengthens, improves the structural strength of outer formword. The two pairs of grippers simultaneously clamp and fix the transverse steel pipe and the longitudinal steel pipe, so that the stability of the steel pipes is improved.

further, still include the stripper plate, offer the centre gripping groove that is used for the horizontal steel pipe of centre gripping on one face of stripper plate, be fixed with two rings on another face of stripper plate, the ring internal rotation is connected with the dwang, the one end fixedly connected with bracing piece of exterior sheathing is kept away from to the dwang.

Through adopting above-mentioned technical scheme, the horizontal steel pipe of centre gripping groove centre gripping on the stripper plate can reduce horizontal steel pipe and take place to rock when conflicting the exterior sheathing. The supporting rods abut against the extrusion plates, so that the transverse steel pipe can be further extruded, and the outer template is further supported.

To sum up, the utility model discloses following beneficial effect has:

1. Through the arrangement of the limiting plate and the limiting groove, the limiting plate is placed in the limiting groove to limit the limiting plate, and the limiting plate is fixedly connected with the inner template, so that the position of the inner template is firm;

2. Through the detachable arrangement of the hand grips and the circular discs, when only a transverse steel pipe or a longitudinal steel pipe is fixed, redundant hand grips can be detached, and the use is flexible and convenient.

Drawings

FIG. 1 is a schematic structural view of an embodiment;

FIG. 2 is a schematic connection diagram of a limiting plate and a reserved plate in the embodiment;

FIG. 3 is a schematic structural view of a clamping member in an embodiment;

FIG. 4 is a schematic view showing the connection of the puck and the hand grip in the example.

In the figure, 1, an inner template; 2. an outer template; 3. a foundation; 4. a limiting plate; 5. a limiting groove; 6. a gauge plate; 7. a first hole; 8. a second hole; 9. a clamping member; 10. a limiting hole; 11. a threaded rod; 12. reserving a plate; 13. a threaded hole; 14. a compression nut; 15. an umbrella card; 16. fixing the rod; 17. an insertion hole; 18. an external thread; 19. fastening a nut; 20. a transverse steel pipe; 21. longitudinal steel pipes; 22. reinforcing steel bars; 23. a trench; 24. a protection plate; 25. a disc; 26. a gripper; 27. a fixed block; 28. fixing grooves; 29. a locking hole; 30. a bolt; 31. connecting holes; 32. a clamping groove; 33. a tension spring; 34. an adjusting plate; 35. a pressing plate; 36. a circular ring; 37. rotating the rod; 38. a support bar; 291. a first hole; 292. and a second hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

The utility model provides a structure for expansion joint both sides fixed die plate, as shown in figure 1, includes interior template 1, exterior template 2 and ground 3, connects on ground 3 through clamping piece 9 between exterior template 2 and the interior template 1.

If fig. 1 and fig. 2, 1 bottom surface of inner formword is fixed with limiting plate 4, offer on the ground 3 with limiting plate 4 complex spacing groove 5, put into spacing groove 5, make limiting plate 4's position more stable, because inner formword 1 and limiting plate 4 fixed connection, so offering of spacing groove 5 can make limiting plate 4's position more accurate and make limiting plate 4 stand upright steadily.

As shown in fig. 2, a limiting hole 10 is formed in the limiting plate 4, a threaded rod 11 penetrates through the limiting hole 10, a reserved plate 12 is pre-embedded in the bottom of the limiting plate 4, a limiting threaded hole 13 corresponding to the threaded rod 11 is formed in the reserved plate 12, and a compression nut 14 is connected to the threaded rod 11 in a threaded manner. Threaded rod 11 passes spacing hole 10, and rotatory gland nut 14 is 11 rotatory stretching into of threaded rod in reserving board 12, and rotatory threaded rod 11 contradicts at limiting plate 4 surfaces to 14 with reserving board 12 through gland nut 14 and fix limiting plate 4 in spacing groove 5, make the position of inner formword 1 more stable.

As shown in fig. 1, a distance plate 6 is arranged between the outer formwork 2 and the inner formwork 1, and the distance plate 6 limits the positions of the outer formwork 2 and the inner formwork 1, so that the mutual movement of the outer formwork 2 and the inner formwork 1 is prevented from influencing the construction precision.

As shown in fig. 1 and 3, the clamping member 9 includes an umbrella-shaped clamp 15, a fixing rod 16, a fastening nut 19 and a reinforcing bar 22, wherein one end of the fixing rod 16 is provided with an external thread 18, the other end is provided with a horizontal insertion hole 17, and the reinforcing bar 22 penetrates into the insertion hole 17. The fastening nut 19 is matched with the external thread 18, and the umbrella-shaped clamp 15 is sleeved on the fixing rod 16 and is positioned between the fastening nut 19 and the reinforcing steel bar 22.

Referring to fig. 1, a first hole 7 is formed in the outer formwork 2, a second hole 8 is formed in the inner formwork 1, one end 16 of the fixing rod 16 with the insertion hole 17 extends out of the second hole 8 through the first hole 7, the reinforcing steel bar 22 penetrates into the insertion hole 17 and is located on one side, far away from the outer formwork 2, of the inner formwork 1, and the umbrella-shaped clamp 15 is located on one side, far away from the inner formwork 1, of the outer formwork 2.

As shown in fig. 3, the umbrella-shaped card 15 comprises a circular disc 25 and two pairs of hand grips 26, wherein the two pairs of hand grips 26 are distributed in a cross shape, one pair of hand grips 26 is horizontally arranged, and the other pair of hand grips 26 is vertically arranged. The length of the horizontally disposed hand grip 26 is longer than the length of the vertically disposed hand grip 26.

as shown in fig. 1, a steel pipe is provided between the umbrella-shaped clamp 15 and the outer formwork 2, and the steel pipe is divided into a horizontal steel pipe 20 and a vertical steel pipe 21. The transverse steel pipes 20 and the longitudinal steel pipes 21 are arranged in pairs, are arranged on the surface, far away from the inner formwork 1, of the outer formwork 2 in a criss-cross mode, and the longitudinal steel pipes 21 are located between the transverse steel pipes 20 and the outer formwork 2. The umbrella-shaped clamp 15 grabs and fixes the steel pipes, the vertically arranged hand grips 26 grab and fix the transverse steel pipes 20, and the horizontally arranged hand grips 26 penetrate between the two transverse steel pipes 20 to grab and fix the longitudinal steel 21.

Referring to fig. 1, after the steel pipe is inserted between the umbrella-shaped clamp 15 and the outer formwork 2, the fastening nut 19 is rotated, the umbrella-shaped clamp 15 presses the steel pipe against the outer formwork 2, and the steel pipe and the steel bar 22 are matched with each other to tightly press and fix the inner formwork 1 and the outer formwork 2.

As shown in fig. 1 and 3, grooves 23 are formed on the surface of the reinforcing bars 22, and a protective plate 24 is interposed between the reinforcing bars 22 and the inner formworks 1. When tightening up outer form 2 and inner form 1, reinforcing bar 22 in the patchhole 17 can take place to rock to the influence is tightened up, and reinforcing bar 22 rocks and can make reinforcing bar 22 to the wearing and tearing increase of inner form 1, and the slot 23 that reinforcing bar 22 surface set up can reduce the rocking of reinforcing bar 22. The protective plate 24 between the reinforcing bars 22 and the inner formworks 1 can protect the inner formworks 1 from abrasion.

As shown in fig. 3 and 4, a fixing block 27 is fixed on the hand grip 26, a fixing groove 28 matched with the fixing block 27 is formed on the disc 25, a mutually through locking hole 29 is formed between the hand grip 26 and the fixing block 27, and the locking hole 29 comprises a first hole 291 formed in the hand grip 26 and a second hole 292 formed in the fixing block 27. The diameter of the second hole 292 is larger than that of the first hole 291, a step is formed at the joint of the second hole 292 and the first hole 291, a bolt 30 penetrates through the locking hole 29, an expansion spring 33 located in the second hole 292 is sleeved on the bolt 30, an adjusting plate 34 located in the second hole 292 is fixed on the bolt 30, one end of the expansion spring 33 is abutted against the step, and the other end of the expansion spring is abutted against the adjusting plate 34. The disk 25 is provided with a connecting hole 31 corresponding to the plug 30.

Referring to fig. 4, the fixing block 27 of the hand grip 26 is placed in the fixing groove 28, and the latch 30 is inserted into the coupling hole 31 by the extension spring 33, thereby fixedly coupling the hand grip 26 and the circular plate 25. The operator can disassemble and assemble the hand grip 26 according to the requirement, and the use is convenient.

As shown in fig. 1, an extrusion plate 35 is disposed on the transverse steel pipe, a clamping groove 32 for clamping the transverse steel pipe 20 is disposed on one surface of the extrusion plate 35, two rings 36 are fixed on the other surface of the extrusion plate 35, a rotating rod 37 is rotatably connected to the rings 36, and a supporting rod 38 is fixedly connected to one end of the rotating rod 37 far away from the outer form 2. Bracing piece 38 and dwang 37 fixed connection, the angle modulation of bracing piece 38 is convenient, makes the one end that bracing piece 38 keeps away from dwang 37 contradict on ground 3 better.

The specific implementation process comprises the following steps: the limiting plate 4 fixed on the bottom surface of the inner template 1 is placed in the limiting groove 5, the threaded rod 11 penetrates through the limiting hole 10 formed in the limiting plate 4, and the limiting plate 4 is clamped in the fixing groove 28 through the compression nut 14. The fixing rods 16 pass through the outer formworks 2 and the inner formworks 1, and the reinforcing bars 22 pass through the insertion holes 17 to connect the fixing rods 16 at the same height. The protective plate 24 is placed between the reinforcing steel bars 22 and the inner formwork 1, the umbrella-shaped clamps 15 are sleeved on the fixing rods 16, the transverse steel pipes 20 and the longitudinal steel pipes 21 are placed in the umbrella-shaped clamps 15, and the umbrella-shaped clamps 15 are tightly pressed by rotating the fastening nuts 19. The support rods 38 are abutted against the foundation 3 after the position is adjusted, and the transverse steel pipes 20 and the longitudinal steel pipes 21 further support the outer formworks 2.

When the inner formwork 1 and the outer formwork 2 are disassembled, the fastening nuts 19 are loosened, the reinforcing bars 22 and the protective plate 24 are pulled out, and the umbrella-shaped clamps 15 and the steel pipes are taken down.

The embodiments are merely illustrative of the present invention, and are not intended to limit the present invention, and those skilled in the art can make modifications of the embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the present invention.

Claims

1. The utility model provides a structure for expansion joint both sides fixed die plate, includes interior template (1), exterior sheathing (2) and ground (3), its characterized in that: the utility model discloses a concrete pile foundation, including inner formword (1), ground (3), outer formword (2), hole (7) have been seted up on outer formword (2), inner formword (3) is last to offer and limiting plate (4) matched with spacing groove (5), outer formword (2) set up on ground (3), hole (7) have been seted up on outer formword (2), inner formword (1) is last to offer with hole (7) matched with hole two (8), wear to be equipped with clamping piece (9) between outer formword (2) and inner formword (1), clamping piece (9) are including umbrella-shaped card (15), dead lever (16) and fastening nut (19), umbrella-shaped card (15) and dead lever (16) sliding connection, umbrella-shaped card (15) are contradicted on the surface of inner formword (1) is kept away from outer formword (2), fastening nut (19) are contradicted on umbrella-shaped card (15), umbrella-shaped card (15) are including disc (25) and tongs (, be fixed with fixed block (27) on tongs (26), seted up on disc (25) with fixed block (27) complex fixed slot (28), set up locking hole (29) of mutual intercommunication between tongs (26) and fixed block (27), wear to be equipped with bolt (30) in locking hole (29), seted up on disc (25) with bolt (30) complex connecting hole (31), bolt (30) pass locking hole (29) and connecting hole (31) in proper order.

2. The structure for fixing the template at two sides of the expansion joint as claimed in claim 1, wherein: locking hole (29) are including hole one (291) and hole two (292), set up in tongs (26) in hole one (291), set up in fixed block (27) in hole two (292), the diameter in hole two (292) is greater than the diameter in hole one (291), place expanding spring (33) in hole two (292), expanding spring (33) wear to overlap on bolt (30), be fixed with regulating plate (34) that are located hole two (292) on bolt (30), the both ends of expanding spring (33) are contradicted with the bottom and regulating plate (34) of hole two (292) respectively.

3. The structure for fixing the template at two sides of the expansion joint as claimed in claim 1, wherein: spacing hole (10) have been seted up on limiting plate (4), threaded rod (11) are worn to be equipped with in spacing hole (10), the bottom that is close to spacing groove (5) in ground (3) is pre-buried to have reserved board (12), set up spacing screw hole (13) that correspond with threaded rod (11) on reserved board (12), threaded connection has gland nut (14) on threaded rod (11).

4. the structure for fixing the template at two sides of the expansion joint as claimed in claim 1, wherein: an inserting hole (17) is formed in one end, far away from the fastening nut (19), of the fixing rod (16), and a steel bar (22) is inserted into the inserting hole.

5. The structure for the fixed templates at two sides of the expansion joint as claimed in claim 4, wherein: the surface of the steel bar (22) is provided with a groove (23).

6. The structure for fixing the template at two sides of the expansion joint as claimed in claim 5, wherein: and a protective plate (24) is clamped between the steel bar (22) and the inner template (1).

7. The structure for fixing the template at two sides of the expansion joint as claimed in claim 1, wherein: the umbrella-shaped card includes two pairs of tongs (26), and a pair of tongs (26) level sets up, and another pair of tongs (26) vertical setting, be equipped with the steel pipe between umbrella-shaped card (15) and exterior sheathing (2), the steel pipe includes horizontal steel pipe (20) and vertical steel pipe (21), horizontal steel pipe (20) and vertical steel pipe (21) crisscross locate exterior sheathing (2) keep away from on the surface of interior sheathing (1).

8. The structure for fixing the template at two sides of the expansion joint as claimed in claim 1, wherein: still include stripper plate (35), offer centre gripping groove (32) that are used for centre gripping horizontal steel pipe (20) on one face of stripper plate (35), be fixed with two rings (36) on another face of stripper plate (35), the internal rotation of ring (36) is connected with dwang (37), the one end fixedly connected with bracing piece (38) of exterior sheathing (2) are kept away from in dwang (37).