CN216840574U - Cast in situ concrete new and old wall juncture template supporting construction - Google Patents

Abstract

The utility model discloses a cast in situ concrete new and old wall juncture template supporting construction, including lower floor's wall body, the inside and outside both sides of lower floor's wall body are equipped with lower floor's wall form, the top of lower floor's wall form is equipped with the rigidity backplate, the downside of rigidity backplate is buckled and is formed the butt at the lower hem and the lower safe edge at lower floor's wall form top, the side buckling forms last hem and last safe edge on the rigidity backplate, the top of rigidity backplate is equipped with upper wall form, upper wall form bottom butt is on last hem and last safe edge, lower floor wears to be equipped with down the wire drawing rod along its length direction on the wall body, lower floor passes lower floor's wall form and lower safe edge to the both ends of wire drawing rod down, and support tightly through pressing down nut, be equipped with along lower floor's wall body length direction interval between two last safe edges and to the wire drawing rod, it is spacing to pass the safe edge and through last nut to the both ends of wire drawing rod on. The utility model discloses simple structure, the concrete placement leakproofness to new and old wall body juncture is better, has avoided exploding the mould, has improved concrete shaping quality.

Description

Cast in situ concrete new and old wall juncture template supporting construction

Technical Field

The utility model relates to a wall body concrete placement field, concretely relates to new and old wall juncture template supporting construction of cast in situ concrete.

Background

In the concrete wall construction, the construction is carried out up and down in sections according to the construction height and the construction difficulty, after the construction of the lower wall is finished, the upper wall steel bars are bound, and the concrete pouring is carried out after the support of the upper wall formwork is finished. When pouring upper wall body concrete, because the wall form of upper wall body bottom is installed in the top position of lower floor's wall body, when the installation, if fixed insecure, the later stage just appears exploding the mould phenomenon easily then, influences the shaping quality that the wall body was pour.

SUMMERY OF THE UTILITY MODEL

To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: how to provide a fixed firm concrete new and old wall form supporting construction that can improve wall body and pour shaping quality.

In order to solve the technical problem, the utility model discloses a following technical scheme:

a template supporting structure for a junction of a new and old cast-in-place concrete wall comprises a lower-layer wall body, wherein lower-layer wall templates are arranged on the inner side and the outer side of the lower-layer wall body and positioned below the top of the lower-layer wall body, the inner side face of each lower-layer wall template is abutted to the lower-layer wall body on the side where the lower-layer wall template is positioned, a rectangular rigid back plate is arranged above the lower-layer wall templates, the inner side face of each rigid back plate is abutted to the lower-layer wall body on the side where the rigid back plate is positioned, the lower side edge of each rigid back plate is outwards bent to form a lower folded edge, the bottom face of each lower folded edge is abutted to the top of the lower-layer wall template below the rigid back plate, one side edge of each lower folded edge, away from the rigid back plate, is downwards bent to form a lower protective edge, the inner side face of each lower protective edge is abutted to the outer side face of the corresponding lower-layer wall template, a plurality of downward opposite-pulling screw rods are uniformly arranged between the lower protective edges positioned on the inner side and the outer side of the lower wall body at intervals along the length direction of the lower-layer wall body, the central line direction of the lower diagonal draw bar is vertical to the plane of the lower wall body, the lower diagonal draw bar penetrates through the lower wall body, two ends of the lower diagonal draw bar respectively penetrate through the lower wall formwork and the lower protective edge on the side where the lower diagonal draw bar is located, lower pressing nuts are in threaded fit with two ends of the lower diagonal draw bar and the bar body located on the outer side of the lower protective edge, and the lower pressing nuts are abutted against the corresponding lower protective edge to enable the lower protective edge to be pressed on the lower wall body; the upper side edge of the rigid back plate is outwards bent to form an upper folded edge, the upper folded edge is positioned above the top of the lower wall body, one side edge of the upper folded edge, which is far away from the rigid back plate, is upwards bent to form an upper protective edge, an upper wall template is arranged above the rigid back plate, the bottom of the upper wall template is abutted against the top surface of the upper folded edge, the outer side surface of the bottom of the upper wall template is abutted against the inner side surface of the upper protective edge, the inner side surface of the upper wall template is flush with the inner side surface of the rigid back plate corresponding to the upper wall template, a plurality of upper opposite tension rods are uniformly arranged between the upper protective edges positioned at the inner side and the outer side of the lower wall body at intervals along the length direction of the lower wall body, the central lines of the upper opposite tension rods are parallel to the central lines of the lower opposite tension rods, the two ends of the upper opposite tension rods are respectively penetrated through the upper protective edges at the sides, and the rods positioned at the outer sides of the upper protective edges are in threaded fit with upper compression nuts, the upper compression nut is abutted against the outer side surface of the upper protective edge.

In the utility model, the upper and lower sides of the rigid back plate respectively form an upper hem and an upper safe edge, and a lower hem and a lower safe edge, and the distance between the inner side of the upper safe edge and the inner side of the lower safe edge respectively to the inner side of the rigid back plate is consistent with the thickness of the wall form, so that when the rigid back plate is installed, the lower hem is butted at the top of the wall form of the lower wall body, and when the lower safe edge is butted on the outer side of the wall form of the lower wall body, the inner side of the rigid back plate is butted on the side of the lower wall body, and the inner side of the rigid back plate is also ensured to be flush with the inner side of the wall form of the lower wall body; in addition, the lower folded edge and the lower protective edge which are formed after bending and the opposite tension rod on the lower protective edge can be firmly fixed, and meanwhile, the wall template of the lower-layer wall body can be clamped on the lower-layer wall body, so that the mold explosion condition is effectively prevented. The wall form installation of upper wall body, the butt is on last hem, and the butt retrains on last safe edge medial surface simultaneously, and the effectual shaping quality of pouring that has improved.

Preferably, the rigid back plate comprises an upper folded plate and a lower folded plate which are rectangular, the upper folded edge is positioned at the upper side edge of the upper folded plate, the lower folded edge is positioned at the lower side edge of the lower folded plate, the lower side edge of the upper folded plate is opposite to and hinged with the upper side edge of the lower folded plate, the outer side surface of the upper folded plate and the outer side surface of the lower folded plate are respectively provided with a plurality of shaping seats which are uniformly spaced and oppositely arranged along the length direction parallel to the hinged edges of the upper folded plate, the bottom surface of each shaping seat is concavely provided with a through groove, a shaping mounting hole is formed between each through groove and the corresponding upper folded plate or lower folded plate, when the upper folded plate and the lower folded plate rotate to the inner side surfaces thereof are positioned on the same plane, the shaping holes positioned on the upper folded plate are opposite to the corresponding shaping holes positioned on the lower folded plate, a shaping support rod is arranged between the two corresponding shaping holes, and two ends of the shaping support rod respectively penetrate through the two corresponding shaping holes, the design vaulting pole butt respectively on the lateral surface of last folded plate and folded plate down, the design screw that communicates with the design mounting hole is seted up to one side of the last folded plate that the design seat is back to its correspondence or folded plate down, the central line direction perpendicular to of design screw is its the last folded plate that corresponds or folded plate place plane down, be provided with the design bolt on the design seat, the screw rod section of design bolt is worn and is passed its corresponding design screw and stretch into in the design mounting hole, design bolt and design screw thread fit, the one end butt that the design bolt stretched into in the design mounting hole is on the design vaulting pole that corresponds so that the design vaulting pole butt respectively on last folded plate and folded plate down. After all the cast-in-place concrete new and old wall junction forming control templates are installed, the upper folding plates are respectively rotated outwards, then upper layer wall body steel bars are bound, after the upper layer wall body steel bars are bound, the upper folding plates are rotated, the inner side surfaces of the upper folding plates and the inner side surfaces of the lower folding plates are located on the same plane, the shaping support rods penetrate through the two corresponding shaping holes, the shaping support rods are respectively abutted to the outer side surfaces of the upper folding plates and the lower folding plates, and then the shaping bolts located at two ends of the shaping support rods are respectively screwed, so that the shaping bolts are abutted to the shaping support rods. The upper folded plate is turned outwards, so that the steel bars can be conveniently bound.

As optimization, the design vaulting pole towards in seted up on one side of design screw along design vaulting pole central line direction by the spacing spout that the one end of design vaulting pole extended to the other end, spacing spout is logical groove, the screw rod section of design bolt is kept away from the one end of design bolt head stretches into in spacing spout and butt at spacing spout groove bottom, the screw rod section of design screw rod can follow spacing spout extending direction and spacing spout sliding fit. Can retrain the design vaulting pole, it is better to last folded plate and lower folded plate's support nature.

Preferably, a plurality of lower tightening screws penetrate through the lower wall body close to the top and at positions corresponding to the lower folding plates at uniform intervals along the length direction of the lower wall body, the central line direction of the lower tightening screws is perpendicular to the plane of the lower wall body, two ends of each lower tightening screw penetrate through the lower folding plate on the side where the lower tightening screw is located, lower tightening nuts are in threaded fit with two ends of each lower tightening screw and on the rod body outside the lower folding plate respectively, the lower tightening nuts are pressed against the lower folding plate on the side where the lower tightening screws are located so that the lower folding plate is pressed against the lower wall body, a plurality of upper tightening screws are arranged above the lower wall body and at positions corresponding to the upper folding plates at uniform intervals along the length direction of the lower wall body, the central lines of the upper tightening screws are parallel to the central lines of the lower tightening screws, two ends of the upper tightening screws penetrate through the upper folding plate on the side where the upper tightening screws are located respectively, and the two ends of the upper tensioning screw rod are respectively positioned on the upper tensioning nuts in threaded fit on the rod body outside the upper folding plate, and the upper tensioning nuts are abutted against the outer side surface of the upper folding plate on the side where the upper tensioning nuts are positioned. The stability of the upper folded plate and the lower folded plate is improved, and the improvement of the concrete forming quality is facilitated.

To sum up, the beneficial effects of the utility model reside in that: the utility model discloses simple structure, the concrete placement leakproofness to new and old wall body juncture is better, has avoided the emergence of the mould condition of exploding, has improved concrete shaping quality.

Drawings

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, in which:

fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

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

As shown in fig. 1, the formwork supporting structure for the junction of the new and old cast-in-place concrete wall in the present embodiment includes a lower wall 1, a lower wall formwork 2 is disposed on the inner and outer sides of the lower wall 1 and below the top of the lower wall 1, the inner side of the lower wall formwork 2 abuts against the lower wall 1 on the side where the lower wall formwork is located, a rectangular rigid back plate is disposed above the lower wall formwork 2, the inner side of the rigid back plate abuts against the lower wall 1 on the side where the rigid back plate is located, a lower folded edge 3 is formed by bending the lower side of the rigid back plate outwards, the bottom of the lower folded edge 3 abuts against the top of the lower wall formwork 2 below the lower wall, one side of the lower folded edge 3 away from the rigid back plate bends downwards to form a lower protective edge 4, the inner side of the lower protective edge 4 abuts against the outer side of the lower wall formwork 2 corresponding to the lower protective edge, and a plurality of lower opposite-pull screws are disposed between the lower protective edges 4 on the inner and outer sides of the lower wall 1 at uniform intervals along the length direction of the lower wall 15, the central line direction of the lower diagonal draw bar 5 is vertical to the plane of the lower wall 1, the lower diagonal draw bar 5 is arranged on the lower wall 1 in a penetrating way, and the two ends of the lower diagonal draw bar respectively penetrate through the lower wall formwork 2 and the lower protective edge 4 on the side where the lower diagonal draw bar is arranged, a lower pressing nut 6 is in threaded fit with the two ends of the lower diagonal draw bar 5 and the bar body positioned on the outer side of the lower protective edge 4, and the lower pressing nut 6 is abutted against the corresponding lower protective edge 4 so that the lower protective edge 4 is pressed on the lower wall 1; an upper folded edge 7 is formed by outwards bending the side edge of the upper side of the rigid backboard, the upper folded edge 7 is positioned at the position above the top of the lower layer wall body 1, an upper protective edge 8 is formed by upwards bending the side edge of the upper folded edge 7, which is far away from the rigid backboard, an upper layer wall formwork 9 is arranged above the rigid backboard, the bottom of the upper layer wall formwork 9 is abutted against the top surface of the upper folded edge 7, the outer side surface of the bottom of the upper layer wall formwork 9 is abutted against the inner side surface of the upper protective edge 8, the inner side surface of the upper layer wall formwork 9 is flush with the inner side surface of the corresponding rigid backboard, a plurality of upper diagonal tension bars 10 are uniformly arranged between the upper protective edges 8 at the inner side and the outer side of the lower layer wall body 1 at intervals along the length direction of the lower layer wall body 1, the central line of the upper diagonal tension bars 10 is parallel to the central line of the lower diagonal tension bars 5, the two ends of the upper diagonal tension bars 10 are respectively penetrated through the upper protective edges 8 at the sides, upper compression nuts 11 are matched with the threads on the two ends of the upper diagonal tension bars 10, the upper gland nut 11 abuts the outer side surface of the upper bead 8.

In the present embodiment, the rigid backboard comprises an upper folding plate 12 and a lower folding plate 13 which are rectangular, the upper folding edge 7 is located at the upper side edge of the upper folding plate 12, the lower folding edge 3 is located at the lower side edge of the lower folding plate 13, the lower side edge of the upper folding plate 12 is opposite to the upper side edge of the lower folding plate 13 and is hinged together, the outer side surface of the upper folding plate 12 and the outer side surface of the lower folding plate 13 are respectively provided with a plurality of shaping seats 14 along the length direction parallel to the hinged edge thereof at regular intervals and oppositely, the bottom surface of each shaping seat 14 is concavely provided with a through groove, a shaping installation hole is formed between each through groove and the corresponding upper folding plate 12 or lower folding plate 13, when the upper folding plate 12 and the lower folding plate 13 rotate to the upper inner side surfaces thereof are located on the same plane, the shaping hole located on the upper folding plate 12 is opposite to the corresponding shaping hole located on the lower folding plate 13, a shaping support rod 15 is arranged between the two corresponding shaping holes, the two ends of the shaping support rod 15 penetrate through the two corresponding shaping holes respectively, the shaping support rod 15 abuts against the outer side surfaces of the upper folded plate 12 and the lower folded plate 13 respectively, one side, opposite to the corresponding upper folded plate 12 or the lower folded plate 13, of the shaping base 14 is provided with a shaping screw hole communicated with the shaping mounting hole, the central line direction of the shaping screw hole is perpendicular to the plane of the corresponding upper folded plate 12 or the corresponding lower folded plate 13, a shaping bolt is arranged on the shaping base 14, the screw section of the shaping bolt penetrates through the corresponding shaping screw hole and extends into the shaping mounting hole, the shaping bolt is in threaded fit with the shaping screw hole, one end of the shaping bolt extending into the shaping mounting hole abuts against the corresponding shaping support rod 15, and therefore the shaping support rod 15 abuts against the upper folded plate 12 and the lower folded plate 13 respectively.

In this embodiment, design vaulting pole 15 towards in seted up on one side of design screw along design vaulting pole 15 central line direction by the spacing spout of the one end extension of design vaulting pole 15 to the other end, spacing spout are logical groove, the screw rod section of design bolt is kept away from the one end of design bolt head stretches into in spacing spout and butt on the spacing spout groove bottom, the screw rod section of design screw rod can follow spacing spout extending direction and spacing spout sliding fit.

In the specific embodiment, the lower wall 1 is close to the top and the position corresponding to the lower folding plate 13 is provided with a plurality of lower tightening screws 16 at uniform intervals along the length direction of the lower wall 1, the central line direction of the lower tightening screws 16 is perpendicular to the plane of the lower wall 1, two ends of the lower tightening screws 16 are respectively passed through the lower folding plate 13 at the side where the lower tightening screws are located, two ends of the lower tightening screws 16 are respectively in threaded fit with lower tightening nuts 17 on the rods outside the lower folding plate 13, the lower tightening nuts 16 are tightly pressed against the lower folding plate 13 at the side where the lower tightening screws are located so that the lower folding plate 13 is tightly pressed against the lower wall 1, a plurality of upper tightening screws 18 are evenly arranged at intervals along the length direction of the lower wall 1 at the position above the lower wall 1 and corresponding to the upper folding plate 12, the central line of the upper tightening screws 18 is parallel to the central line of the lower tightening screws 16, two ends of the upper tensioning screw 18 respectively penetrate through the upper folding plate 12 on the side where the upper tensioning screw is located, two ends of the upper tensioning screw 16 are respectively located on upper tensioning nuts 19 which are in threaded fit on the rod body outside the upper folding plate 12, and the upper tensioning nuts 19 abut against the outer side surface of the upper folding plate 12 on the side where the upper tensioning nuts 19 are located.

Finally, it is noted that the above-mentioned embodiments illustrate rather than limit the invention, and that, while the invention has been described with reference to preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (4)

1. The utility model provides a new and old wall juncture template supporting construction of cast in situ concrete which characterized in that: the wall comprises a lower wall body, wherein lower wall formworks are arranged on the inner side and the outer side of the lower wall body and positioned below the top of the lower wall body, the inner side surface of each lower wall formwork abuts against the lower wall body on the side where the lower wall formwork is positioned, a rectangular rigid back plate is arranged above the lower wall formwork, the inner side surface of each rigid back plate abuts against the lower wall body on the side where the rigid back plate is positioned, the lower side edge of each rigid back plate is outwards bent to form a lower folded edge, the bottom surface of each lower folded edge abuts against the top of the lower wall formwork below the lower wall formwork, the side edge of each lower folded edge, which is far away from the rigid back plate, is downwards bent to form a lower protective edge, the inner side surface of each lower protective edge abuts against the outer side surface of the corresponding lower wall formwork, a plurality of lower counter-pulling screw rods are uniformly arranged between the lower protective edges on the inner side and the outer side of the lower wall body at intervals along the length direction of the lower wall body, and the central line direction of the lower counter-pulling screw rods is vertical to the plane of the lower wall body, the lower counter-pulling rod penetrates through the lower-layer wall body, two ends of the lower counter-pulling rod respectively penetrate through the lower-layer wall formwork and the lower protective edge on the side where the lower counter-pulling rod is located, a lower pressing nut is in threaded fit with the rod body at the two ends of the lower counter-pulling rod and located on the outer side of the lower protective edge, and the lower pressing nut abuts against the corresponding lower protective edge to enable the lower protective edge to be pressed on the lower-layer wall body; the upper side edge of the rigid back plate is outwards bent to form an upper folded edge, the upper folded edge is positioned above the top of the lower wall body, one side edge of the upper folded edge, which is far away from the rigid back plate, is upwards bent to form an upper protective edge, an upper wall template is arranged above the rigid back plate, the bottom of the upper wall template is abutted against the top surface of the upper folded edge, the outer side surface of the bottom of the upper wall template is abutted against the inner side surface of the upper protective edge, the inner side surface of the upper wall template is flush with the inner side surface of the rigid back plate corresponding to the upper wall template, a plurality of upper diagonal rods are uniformly arranged between the upper protective edges positioned at the inner side and the outer side of the lower wall body at intervals along the length direction of the lower wall body, the central lines of the upper diagonal rods are parallel to the central lines of the lower diagonal rods, the two ends of the upper diagonal rods respectively penetrate through the upper protective edges at the sides of the upper diagonal rods, the two ends of the upper diagonal rods and the rods are in threaded fit with upper compression nuts, the upper compression nut is abutted against the outer side surface of the upper protective edge.

2. The cast-in-place concrete new and old wall junction formwork supporting structure of claim 1, characterized in that: the rigid back plate comprises an upper folded plate and a lower folded plate which are rectangular, the upper folded edge is positioned at the upper side edge of the upper folded plate, the lower folded edge is positioned at the lower side edge of the lower folded plate, the lower side edge of the upper folded plate is opposite to the upper side edge of the lower folded plate and is hinged together, the outer side surface of the upper folded plate and the outer side surface of the lower folded plate are respectively provided with a plurality of shaping seats which are uniformly spaced and are opposite to each other along the length direction parallel to the hinged edges of the upper folded plate, the bottom surfaces of the shaping seats are concavely provided with through grooves, shaping mounting holes are formed between the through grooves and the corresponding upper folded plate or lower folded plate, when the inner side surfaces of the upper folded plate and the lower folded plate rotate to the same plane, the shaping holes positioned on the upper folded plate are opposite to the corresponding shaping holes positioned on the lower folded plate, a shaping support rod is arranged between the two corresponding shaping holes, and two ends of the shaping support rod respectively penetrate through the two corresponding shaping holes, the design vaulting pole butt respectively on the lateral surface of last folded plate and folded plate down, the design screw that communicates with the design mounting hole is seted up to one side of the last folded plate that the design seat is back to its correspondence or folded plate down, the central line direction perpendicular to of design screw is its the last folded plate that corresponds or folded plate place plane down, be provided with the design bolt on the design seat, the screw rod section of design bolt is worn and is passed its corresponding design screw and stretch into in the design mounting hole, design bolt and design screw thread fit, the one end butt that the design bolt stretched into in the design mounting hole is on the design vaulting pole that corresponds so that the design vaulting pole butt respectively on last folded plate and folded plate down.

3. The cast-in-place concrete new and old wall junction formwork supporting structure of claim 2, wherein: the design vaulting pole towards in seted up on one side of design screw along design vaulting pole central line direction by the one end of design vaulting pole extends to the spacing spout of the other end, and spacing spout is logical groove, the screw rod section of design bolt is kept away from the one end of design bolt head stretches into in spacing spout and butt on spacing spout groove bottom, the screw rod section of design bolt can follow spacing spout extending direction and spacing spout sliding fit.

4. The cast-in-place concrete new and old wall junction formwork supporting structure of claim 2, wherein: the lower wall body is close to the top and corresponds to the position of the lower folding plate, a plurality of lower tensioning screws penetrate through the lower folding plate at uniform intervals along the length direction of the lower wall body, the central line direction of the lower tensioning screws is vertical to the plane of the lower wall body, two ends of each lower tensioning screw penetrate through the lower folding plate on the side where the lower folding plate is located, lower tensioning nuts are in threaded fit with two ends of each lower tensioning screw and are respectively located on the rod body outside the lower folding plate, the lower tensioning nuts are abutted against the lower folding plate on the side where the lower tensioning screws are located so that the lower folding plate is abutted against the lower wall body, a plurality of upper tensioning screws are uniformly arranged at intervals along the length direction of the lower wall body at the position above the lower wall body and corresponding to the upper folding plate, the central lines of the upper tensioning screws are parallel to the central lines of the lower tensioning screws, and two ends of the upper tensioning screws penetrate through the upper folding plate on the side where the upper tensioning screws are located respectively, and the two ends of the upper tensioning screw rod are respectively positioned on the upper tensioning nuts in threaded fit on the rod body outside the upper folding plate, and the upper tensioning nuts are abutted against the outer side surface of the upper folding plate on the side where the upper tensioning nuts are positioned.

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