CN216041204U - Connecting device for steel lattice column and concrete inner support - Google Patents

Abstract

The utility model relates to the technical field of steel lattice columns, in particular to a connection device between a steel lattice column and a concrete inner support, comprising a steel formwork with a hinged shaft separated, wherein a support member is arranged inside the separate steel formwork with a hinged shaft, The outer wall of the support piece is provided with a plug-in piece, the inside of the plug-in piece is provided with a push piece, the end of the plug-in piece is provided with a threaded piece, and the end of the threaded piece is provided with a fixing piece, so the The end of the fixing piece is provided with a screwing piece, and the screwing piece includes a screwing rod; the beneficial effects are: the insertion slot proposed by the utility model can be inserted into the outside of the fixing rod, and after the screwing rod is rotated, the trapezoidal plate will The fixing rod is fixed with the insertion slot, and a plurality of groups of support rods fix the steel mold with hinged shaft on the outer wall of the steel cladding plate, and the concrete is poured. The screw is taken out from the threaded groove, and the spring will push the push rod to seal the threaded groove.

Description

A connecting device for steel lattice column and concrete inner support

technical field

The utility model relates to the technical field of steel lattice columns, in particular to a connecting device for a steel lattice column and a concrete inner support.

Background technique

In the construction industry, in order to ensure the safety and stability of deep foundation pit support in the construction of deep foundation pits in soft soil environment, external cast-in-place piles, underground diaphragm walls, etc. + concrete inner support in the pit are often used for composite support, and the concrete inner support adopts cast-in-place piles. + Steel grid column support;

In the prior art, the concrete inner support and the steel lattice column are effectively connected through the pre-embedded ribbed steel plate with holes and the bottom corbel. This connection method: 1. The hole position of the pre-embedded ribbed steel plate needs to be highly accurate; 2. The bottom corbel adopts traditional welding method. , its construction is complicated, it is necessary to excavate the corbel construction work surface first, then weld the corbel to complete the corbel, there are many welding seams, and then fill the gap around the bottom of the corbel, and then carry out the construction of the concrete inner support beam.

Utility model content

The purpose of the present invention is to provide a connection device between a steel lattice column and a concrete inner support, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a connection device between a steel lattice column and a concrete inner support, including a hinged shaft-separated steel form, and a support member is provided inside the hinged shaft-separated steel form , the outer wall of the support is provided with a plug, the plug is internally provided with a pusher, the end of the plug is provided with a screw, and the end of the screw is provided with a fixing piece, The end of the fixing piece is provided with a screwing piece, and the screwing piece includes a screwing rod, and the screwing rod is screwed into the threaded groove provided at the end of the fixing rod.

Preferably, the separate steel mold with hinge shaft includes a hinge, a bottom plate and a baffle, the hinge is installed at the connection of the separate steel mold with hinge shaft, the bottom plate is installed at the bottom, and the baffle is inserted into the separate steel mold with hinge shaft. The side of the steel mold.

Preferably, the support includes an angle steel, a steel trim plate and a first support rod, the angle steel is located inside the split steel mold with hinge shaft, the steel trim plate is installed outside the angle steel, and the first support rod is installed on the side of the angle steel.

Preferably, the plug connector includes a second support rod and a limit ring, the second support rod is installed on the outer wall of the steel trim plate, and the limit ring is installed outside the second support rod.

Preferably, the pusher includes a spring, a chute and a push rod, the chute is provided inside the support rod, the spring is located in the chute, the push rod is located in the chute, and a limit plate is installed at one end of the push rod .

Preferably, the threaded member includes a threaded groove and a screw, the threaded groove is opened inside the support rod, and the screw is screwed into the threaded groove.

Preferably, the fixing piece includes a trapezoidal plate, a plug slot and a fixing rod, the fixing rod is installed at the end of the screw rod, the trapezoidal plate is inserted into the chute provided inside the fixing rod, and the plugging groove is opened at the hinged shaft separating in the outer wall of the steel mold.

Compared with the prior art, the beneficial effects of the present utility model are:

1. The insertion slot proposed by the present utility model can be inserted into the outside of the fixed rod. After the rod is rotated and twisted, the trapezoidal plate fixes the fixed rod and the insertion slot, and multiple sets of second The mold is fixed on the outer wall of the steel cladding plate, and the concrete is poured;

2. After the concrete is poured, the fixing rod proposed by the utility model can be taken out from the thread groove by screwing, and the spring will push the push rod to seal the thread groove.

Description of drawings

Fig. 1 is the top view structure schematic diagram of the present utility model;

Fig. 2 is the schematic sectional view of B-B in Fig. 1;

Fig. 3 is the enlarged schematic diagram of the structure at place A in Fig. 1;

Figure 4 is a schematic diagram of the utility model with a hinged shaft separated steel mold.

In the figure: Separate steel mold with hinge shaft 1, angle steel 2, steel trim plate 3, first support rod 4, screw rod 5, limit ring 6, second support rod 7, spring 8, chute 9, top Push rod 10 , screw rod 11 , trapezoidal plate 12 , insertion slot 13 , thread slot 14 , fixing rod 15 , hinge 16 , bottom plate 17 , baffle 18 .

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIG. 1 to FIG. 4 , the present utility model provides a technical solution: a connection device between a steel lattice column and a concrete inner support, including a hinged shaft detachable steel form 1, and a hinged shaft detachable steel form 1 including a hinge 16. Bottom plate 17 and baffle plate 18, the hinge 16 is installed at the joint of the steel mold 1 with hinge shaft separation, the bottom plate 17 is installed at the bottom of 1, and the baffle plate 18 is inserted into the side of the steel mold 1 with hinge shaft separation;

The inside of the hinged-shaft-separated steel mold 1 is provided with a support. The support includes an angle steel 2, a steel trim plate 3 and a first support rod 4. The angle steel 2 is located inside the hinged-axis-separated steel mold 1, and the steel trim plate 3 Installed on the outside of the angle steel 2, the first support rod 4 is installed on the side of the angle steel 2, the insertion slot 13 is inserted into the second support rod 7, and the first support rod 4 is against the hinged shaft. In the corner, install the steel mold 1 with hinged shaft on the outside of the angle steel 2 and the steel trim plate 3;

The outer wall of the support is provided with a plug, the plug includes a second support rod 7 and a limit ring 6, the second support rod 7 is installed on the outer wall of the steel trim plate 3, and the limit ring 6 is installed on the second support rod 7, insert the slot 13 into the second support rod 7, the first support rod 4 is against the corner of the steel mold 1 with hinge shaft separation, and install the steel mold 1 with hinge shaft separation on the angle steel 2. And the outside of the steel trim plate 3, the limit ring 6 prevents the concrete from flowing into the insertion groove 13 during pouring;

A pusher is provided inside the plug connector, and the pusher includes a spring 8, a chute 9 and a pusher rod 10. The chute 9 is opened inside the support rod 7, the spring 8 is located in the chute 9, and the pusher rod 10 is located in the support rod 7. In the chute 9, a limit plate is installed at one end of the push rod 10, the spring 8 will push the push rod 10 to move in the chute 9, and the push rod 10 blocks the threaded groove 14, so that the surface of the poured concrete remains flat. ;

The end of the plug connector is provided with a screw connector, the screw connector includes a threaded groove 14 and a screw 11, the screw groove 14 is opened inside the support rod 7, the screw 11 is screwed into the screw groove 14, and the fixing rod 15 is screwed. The screw 11 is unscrewed from the threaded groove 14, the spring 8 will push the 10 to move in the chute 9, and the 10 will block the threaded groove 14, so that the surface of the poured concrete remains flat;

The end of the screw connection is provided with a fixing piece. The fixing piece includes a trapezoidal plate 12, a socket slot 13 and a fixing rod 15. The fixing rod 15 is installed at the end of the screw rod 11, and the trapezoidal plate 12 is inserted into the fixed rod 15. In the chute, the insertion slot 13 is opened in the outer wall of the steel mold 1 with a hinge shaft, and the steel mold 1 with a hinge shaft is installed on the outside of the angle steel 2 and the steel trim plate 3, and the limit ring 6 prevents the pouring. The concrete flows into the insertion slot 13, the screw rod 5 is screwed, the end of the screw rod 5 is screwed in, and the trapezoidal plate 12 is protruded from the slot opened on the side of the fixed rod 15, and the insertion slot 13 is pushed up. The inner wall of the hinged shaft is fixed to the steel mold 1 with the hinged shaft and the steel trim plate 3;

The end of the fixing piece is provided with a screwing piece, and the screwing piece includes a screwing rod 5. The screwing rod 5 is screwed into the threaded groove opened at the end of the fixing rod 15, and the screwing rod 5 is screwed. The ends are screwed in, and the trapezoidal plate 12 is extended from the groove on the side of the fixing rod 15 .

Working principle: In actual use, put the separate steel mold 1 with hinge shaft on the outside of the angle steel 2, turn the hinge 16 to wrap the angle steel 2, and insert the baffle 18 on the end of the separate steel mold 1 with hinge shaft. The insertion slot 13 is inserted into the support rod 7, the support rod 4 is against the corner of the steel mold 1 with hinge shaft separation, and the steel mold 1 with hinge shaft separation is installed on the outside of the angle steel 2 and the steel trim plate 3. The position ring 6 prevents the concrete from flowing into the insertion groove 13 during pouring, and the screw rod 5 is screwed, and the end of the screw rod 5 is screwed in and the trapezoidal plate 12 is extended from the groove opened on the side of the fixed rod 15. Push the inner wall of the insertion slot 13 to fix the hinged-shaft-separated steel form 1 and the steel trim plate 3, and pour concrete toward the position inside the hinged-shaft-separated steel formwork 1. The concrete is blocked by the bottom plate 17, and the concrete After solidification, after screwing the screw rod 5 in reverse, screw the fixing rod 15, unscrew the screw rod 11 from the thread groove 14, the spring 8 will push the push rod 10 to move in the chute 9, and the push rod 10 will screw the thread The grooves 14 are blocked so that the surface of the poured concrete remains flat.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. The utility model provides a connecting device that supports in steel check post and concrete, includes area hinge disconnect-type steel mould (1), its characterized in that: the inside of taking hinge disconnect-type steel mould (1) is provided with support piece, support piece's outer wall is provided with the plug connector, the inside top that is provided with of plug connector pushes away the piece, and the tip of plug connector is provided with the screw joint piece, the tip of screw joint piece is provided with the mounting, the tip of mounting is provided with twists the piece soon, twists the piece including revolving wrong pole (5), revolves in the thread groove that wrong pole (5) spiro union was seted up at dead lever (15) tip soon.

2. A device for connecting a steel lattice column to a concrete inner support according to claim 1, wherein: the steel mould (1) with the separated hinge shaft comprises a hinge (16), a bottom plate (17) and a baffle (18), wherein the hinge (16) is arranged at the joint of the steel mould (1) with the separated hinge shaft, the bottom plate (17) is arranged at the bottom of the steel mould (1), and the baffle (18) is inserted into the side surface of the steel mould (1) with the separated hinge shaft.

3. A device for connecting a steel lattice column to a concrete inner support according to claim 1, wherein: the support piece comprises angle steel (2), a steel batten plate (3) and a first support rod (4), the angle steel (2) is located inside the steel die (1) with the hinge shaft separated, the steel batten plate (3) is installed on the outer portion of the angle steel (2), and the side face of the angle steel (2) is installed on the first support rod (4).

4. A device for connecting a steel lattice column to a concrete inner support according to claim 3, wherein: the plug connector comprises a second supporting rod (7) and a limiting ring (6), the second supporting rod (7) is installed on the outer wall of the batten plate (3), and the limiting ring (6) is installed outside the second supporting rod (7).

5. A device for connecting a steel lattice column to a concrete inner support according to claim 4, wherein: the ejector sleeve comprises a spring (8), a sliding groove (9) and an ejector rod (10), the sliding groove (9) is formed in the second supporting rod (7), the spring (8) is located in the sliding groove (9), the ejector rod (10) is located in the sliding groove (9), and a limiting plate is installed at one end of the ejector rod (10).

6. A device for connecting a steel lattice column to a concrete inner support according to claim 5, wherein: the screw connector comprises a thread groove (14) and a screw rod (11), the thread groove (14) is formed in the supporting rod (7), and the screw rod (11) is screwed in the thread groove (14).

7. A device for connecting a steel lattice column to a concrete inner support according to claim 6, wherein: the fixing piece comprises a trapezoidal plate (12), an inserting groove (13) and a fixing rod (15), the fixing rod (15) is installed at the end of the screw rod (11), the trapezoidal plate (12) is inserted into a sliding groove formed in the fixing rod (15), and the inserting groove (13) is formed in the outer wall of the steel die (1) with the hinge shaft separated.

Images