CN117188625A - Deviation prevention device for curtain wall embedded part and use method of deviation prevention device - Google Patents

Abstract

The invention relates to the technical field of curtain wall embedded parts, in particular to a deflection preventing device for a curtain wall embedded part and a using method of the deflection preventing device. The following scheme is adopted: the deviation preventing device for the curtain wall embedded part comprises an embedded part main body and a positioning rod, wherein a T-shaped groove is formed in the embedded part main body, a mounting hole is formed in the side wall of the embedded part main body, and the positioning rod is arranged in the mounting hole; a pair of limiting blocks are slidably arranged in the T-shaped groove, positioning screws are arranged on the surfaces of the limiting blocks, the positioning screws extend out of the notch, a cylindrical groove is formed in one surface of each limiting block, and a thrust component is arranged in each cylindrical groove; two L-shaped mounting plates are arranged outside the notch, an adjusting strip opening is formed in each L-shaped mounting plate, a positioning screw rod extends out of each adjusting strip opening, and a guide strip opening is formed in a plate body, away from the notch, of each L-shaped mounting plate; the embedded part main body is also provided with a pre-positioning component. The embedded part main body is matched with the preset component and the positioning rod, so that the effect of preventing deviation is achieved.

Description

Deviation prevention device for curtain wall embedded part and use method of deviation prevention device

Technical Field

The invention relates to the technical field of curtain wall embedded parts, in particular to a deflection preventing device for a curtain wall embedded part and a using method of the deflection preventing device.

Background

The curtain wall is an outer wall enclosure of a building, also called as a curtain wall, is a light wall body with a decoration effect commonly used in modern large-scale and high-rise buildings, is composed of a panel and a supporting structure system, can have certain displacement capacity or certain deformation capacity relative to a main body structure, does not bear a building outer wall enclosure structure or a decoration structure acted by the main body structure, and is also a curtain wall system, and an embedded part needs to be prepared in advance when the curtain wall is installed.

Most of existing curtain wall embedded parts are installed in a welding mode or a binding mode, and because potential safety hazards exist in welding, if the installation ends of the embedded parts are deviated during welding, the embedded parts are not flush with the outer wall surface after demolding; meanwhile, the binding and fixing placement is adopted, the rear end of the embedded part is bound and fixed, and when concrete is poured, the front end of the embedded part is impacted, inclined and offset due to impact force, or the outer end face of the embedded part cannot be guaranteed to be closely attached and flush with the inner wall of the template all the time; meanwhile, the embedded part of the integrated welding type cannot be replaced at the later stage, and the embedded part of the curtain wall of the integrated welding type is not only connected with a wall body stably enough after being embedded, but also connected with the external connecting part and cannot be adjusted, so that the external connecting part is easy to deviate, and the phenomenon such as dimensional errors and the like occur during the later stage installation, and therefore, the embedded part of the curtain wall free of welding is urgently needed to solve the problems.

Disclosure of Invention

In order to solve the technical problems, the invention provides a deviation prevention device for a curtain wall embedded part and a use method thereof, and the deviation prevention effect is achieved by utilizing the cooperation of an embedded part main body, a pre-positioning assembly and a positioning rod.

In order to achieve the technical purpose, the invention adopts the following scheme:

the deviation preventing device for the curtain wall embedded part comprises an embedded part main body and a positioning rod, wherein a T-shaped groove is formed in the embedded part main body, a mounting hole communicated with the T-shaped groove is formed in the side wall, opposite to the notch, of the embedded part main body, and the positioning rod is arranged in the mounting hole; a pair of limiting blocks are slidably arranged in the T-shaped groove, the length of one side of each limiting block is smaller than the height of the notch, a positioning screw rod is arranged on one surface of each limiting block, the positioning screw rod extends out of the notch, a cylindrical groove is formed in one surface, opposite to the positioning screw rod, of each limiting block, and a thrust component is arranged in each cylindrical groove; two L-shaped mounting plates are arranged outside the notch, the two L-shaped mounting plates are arranged back to back, the two L-shaped mounting plates and the adjacent plate bodies of the notch are provided with adjusting strip openings, positioning screws extend out of the adjusting strip openings, the L-shaped mounting plates are far away from the guide strip openings arranged on the plate bodies of the notch, connecting bolts transversely penetrate through the guide strip openings, and the other ends of the connecting bolts are connected with locking nuts; the embedded part main body is also provided with a preset positioning component which is arranged on the same side wall as the mounting hole, the preset positioning component comprises a nail penetrating hole and an internal threaded hole which are formed in the embedded part main body, the nail penetrating hole and the internal threaded hole are arranged on the same side wall as the positioning rod, and preset positioning nails are arranged in the nail penetrating hole; and a limit screw is arranged in the internal thread hole.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, through the cooperation of the embedded part main body, the pre-positioning assembly and the positioning rod, the inner end and the outer end of the embedded part main body can be effectively fixed, and the outer end surface of the embedded part main body can be stably attached to the inner wall of the supported template; the situation that the rear end of the embedded part is connected with the reinforcement cage and the front end which is not connected is inclined and deviated due to the impact force generated when concrete is poured can be avoided, and then the effect that the front end face of the main body of the embedded part is flush with the wall surface can be effectively improved after the building outer wall is formed and the template is removed; and then can play the effect of deviation prevention when the built-in fitting is installed.

Further, a fixing plate is fixedly arranged on the inner wall opposite to the T-shaped groove and the notch, and a guide bar is arranged on the inner side surface of the fixing plate; a guide groove is formed in one side wall of the limiting block, and the guide groove is arranged on the side wall close to the fixed plate; one surface of the limiting block, which is opposite to the guide groove, is stuck with the inner wall of the T-shaped groove, and the limiting grooves are formed in the inner wall of the T-shaped groove at equal intervals at the stuck position, and limiting strips are protruded on the limiting block.

Further, a positioning piece is arranged at the joint of the positioning screw rod and the L-shaped mounting plate, and comprises a positioning plate sleeved on the positioning screw rod and an anti-drop nut screwed on the rod body of the positioning screw rod; one surface of the L-shaped mounting plate is contacted with the notch, the other surface of the L-shaped mounting plate is connected with one surface of the positioning plate, and the other surface of the positioning plate is connected with the anti-drop nut.

Through setting up of setting element, not only can improve positioning effect and steadiness to L type mounting panel, can improve the further taut spacing effect to the stopper moreover.

Further, a reverse thread is arranged on the rod body of the positioning screw rod at a position adjacent to the positioning plate, and a forward thread is arranged on the rod body of the positioning screw rod at a position far away from the positioning plate; and a smooth surface section is reserved between the forward thread and the reverse thread.

Further, the thrust component comprises a connecting column arranged in the cylindrical groove, a thrust cavity arranged in the connecting column, a movable rod movably arranged in the thrust cavity and an anti-drop disc fixedly connected with the movable rod; the anti-drop disc is arranged in the thrust cavity, the anti-drop disc is connected with a thrust spring, a part of the movable rod movably penetrates out of the thrust cavity and extends out of the cylindrical groove, and an abutting plate is fixedly connected to the extending part of the movable rod; the positioning screw rod penetrates into the cylindrical groove, and a connecting stud is arranged at the part of the positioning screw rod penetrating into the cylindrical groove; the connecting column is provided with a thread groove in screwed connection with the connecting stud, the inner wall of the thrust cavity, which is close to the thread groove, is provided with a threaded hole, a fixing screw is arranged in the threaded hole, the connecting stud is provided with a threaded hole channel, and the fixing screw extends into the threaded hole channel; an operation hole penetrating through the anti-falling plate disc is formed in one side of the abutting plate.

Under the effect of thrust subassembly, the terminal surface of messenger's stopper of being convenient for and the T type inslot wall butt of seting up the notch to make spacing joint advance spacing inslot portion, be convenient for play the spacing effect of automatic forward pushing to the stopper of installing into T type inslot, and then can avoid the stopper to appear at the inside circumstances of sliding at will of T type inslot, and effectively improve the structural strength of being connected between stopper and the built-in fitting main part.

Further, the number of the through nail holes is two, and the number of the internal thread holes is four; the head of the limit screw is fixedly connected with a knob, and the outer ring wall of the knob is provided with a rotation stopping arc groove; the fixed plate is provided with a stabilizing hole for matching with the limit screw and the preset positioning nail, and a rubber ring is arranged in the stabilizing hole for fixing the preset positioning nail.

The stability of embedding the embedded part main body in concrete and the pulling resistance of the end part can be further improved through the cooperation of the limit screw and the knob; the rubber ring can avoid the pre-positioning nail from falling before being nailed into the template, and can improve the anti-shaking effect after positioning the embedded part main body through the pre-positioning nail.

Further, one side of the positioning rod, which is far away from the embedded part main body, is fixedly connected with an anti-falling block; the mounting hole is of a horn-shaped orifice structure, and the clamping block is of a conical section block structure matched with the connecting port.

Through setting up the anticreep piece, can improve the locking effect of locating lever after the connection, can improve the tensile pull strength of locating lever simultaneously after pouring concrete, strengthen the joint strength of locating lever and wall body, the locating lever has the joint piece with the junction rigid coupling of built-in fitting main part. After the installation is completed, the end face of the clamping block is flush with the inner wall of the T-shaped groove, and at the moment, the guide bar is pressed on the end face of the clamping block, so that the locating rod connected with the clamping block is convenient to limit and fix.

Further, a mounting slot hole is formed in one side, connected with the positioning rod, of the clamping block, the mounting slot hole and the positioning rod are coaxially arranged, the mounting slot hole extends into the positioning rod body, and a zinc column is fixedly plugged into the mounting slot hole.

The zinc column is arranged, so that the overall antirust performance of the embedded part can be improved.

Further, an anti-skid vertical groove is formed in the outer wall of the plate body of the L-shaped mounting plate where the guide strip opening is located, and the anti-skid vertical groove is parallel to the connecting shaft of the L-shaped mounting plate; an anti-skid transverse groove is formed in the outer wall of the plate body of the L-shaped mounting plate where the adjusting strip opening is located, and the anti-skid transverse groove is perpendicular to a connecting shaft of the L-shaped mounting plate; a limiting plate is attached to the L-shaped mounting plate, and a plurality of vertical raised strips matched with the anti-skid vertical grooves are uniformly raised on the attaching surface of the limiting plate; transverse convex strips are uniformly protruded on the joint surface of the positioning plate, and through holes are formed in both the limiting plate and the positioning plate; a pair of bearing strip grooves are formed in the outer surfaces of two side walls of the embedded part main body adjacent to the notch; the L-shaped mounting plate is protruded with a plurality of transversely arranged clamping bars, and the clamping bars can be clamped in the supporting bar grooves.

The setting through the joint strip can improve the joint strength between L type mounting panel and the built-in fitting body, can divide the load to the built-in fitting main part with the falling force of L type mounting panel moreover, avoids gravity to all act on the positioning screw.

The application method of the offset prevention device for the curtain wall embedded part comprises the following steps of:

s1, installing a positioning rod with an anti-falling block, a clamping block and a zinc column in an installation hole of an embedded part main body; fixing a fixing plate with a guide bar on the inner wall of a T-shaped groove of the embedded part main body, and plugging a foam seal in the T-shaped groove of the embedded part main body; screwing the limit screw 11 into the internal threaded hole, so that the front end of the limit screw penetrates out of the stable hole of the fixed plate, and reserving half of the limit screw outside the internal threaded hole; inserting the predetermined positioning pin 12 into the pin penetrating hole and penetrating the pin penetrating hole into the foam seal 29;

s2, placing the embedded part main body with the positioning rod beside the steel reinforcement framework to be poured, enabling the outer end face of the embedded part main body to be attached to the inner wall of the template, and enabling the positioning rod to extend into the steel reinforcement framework; hammering the tip of a preset positioning nail into a template by using a hammer head, and fixing a positioning rod with a reinforcement cage binding frame through a steel wire;

s3, after the wall body is molded and the template is disassembled, cleaning out foam seals plugged in the T-shaped groove through a scraper knife; the limiting block with the positioning screw rod is horizontally plugged into the T-shaped groove from the notch of the embedded part main body, and the positioning screw rod is pushed to compress a thrust spring in the thrust component of the limiting block; before the guide groove on the limiting block is not clamped into the guide bar, the limiting block is rotated for ninety degrees; releasing the limiting block to enable the limiting strip to be clamped into the limiting groove;

s4, after the limiting block and the positioning screw are installed, installing two L-shaped mounting plates for fixing the curtain wall plate on the front end face of the embedded part main body;

s5, after the installation of the L-shaped mounting plates is completed, the keel frame for fixing the curtain wall plate is arranged between the two L-shaped mounting plates, and the keel frame for fixing the curtain wall plate is clamped and limited through the cooperation of the connecting bolts, the locking nuts and the limiting plates.

The method has the beneficial effects that:

(1) The foam seal is plugged, so that concrete can be prevented from entering the T-shaped groove during pouring; after the limiting screw rod extends forwards from the inside of the stabilizing hole, the limiting screw rod can play a role in limiting and fixing the foam seal plugged in the T-shaped groove;

(2) The situation that the front end is inclined and offset due to the impact force generated when concrete is poured can be avoided when the rear end of the embedded part is connected with the reinforcement cage and the front end of the embedded part is not connected, and then after the building outer wall is formed and the template is removed, the flush effect of the front end opening of the embedded part main body and the wall surface is effectively improved;

(3) The limiting block installed in the T-shaped groove is convenient to automatically push forward and limit, so that the situation that the limiting block slides randomly in the T-shaped groove can be avoided, and the structural strength of the connection between the limiting block and the embedded part main body is effectively improved;

(4) Under the action of the adjusting strip opening and the positioning plate in the positioning piece, the installed L-shaped mounting plate 3 can be adjusted up and down and locked and fixed; meanwhile, the limiting block 6 is tensioned and limited, so that the stability of the limiting block after moving and adjusting is further improved; meanwhile, the occurrence of the deviation of the installed L-shaped mounting plate can be effectively avoided; the positioning screw is provided with two types of threads with the rotation directions, so that the anti-disengaging effect between the anti-disengaging nut and the positioning screw is effectively improved; the stability of the L-shaped mounting plate after mounting is further improved.

Drawings

Fig. 1 is a schematic diagram of an overall assembly structure of an offset prevention device for a curtain wall embedded part according to an embodiment of the present invention;

FIG. 2 is a schematic view of another angle integral assembly structure of an offset prevention device for curtain wall embedded parts according to an embodiment of the present invention;

fig. 3 is a front view of the overall structure of the offset prevention device for curtain wall embedded parts according to the embodiment of the invention;

fig. 4 is a schematic view of another overall angle structure of the offset prevention device for a curtain wall embedded part according to the embodiment of the present invention;

fig. 5 is a schematic structural diagram of a hidden state of an embedded part main body of an offset prevention device for a curtain wall embedded part according to an embodiment of the present invention;

fig. 6 is a schematic perspective view of a connection state of two L-shaped mounting plates according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a state of a foam seal with a plug in an embedded part main body according to an embodiment of the present invention;

fig. 8 is a schematic view of an inverted three-dimensional structure of an L-shaped mounting plate according to an embodiment of the present invention;

FIG. 9 is a schematic perspective view illustrating a connection state between a limiting block and a positioning screw according to an embodiment of the present invention;

FIG. 10 is a cross-sectional view of a top view of a stopper according to an embodiment of the present invention;

FIG. 11 is a schematic perspective view of a zinc plunger according to an embodiment of the present invention;

fig. 12 is a schematic perspective view illustrating a connection state between a fixing plate and a positioning member according to an embodiment of the present invention;

marked in the figure as: 1. an embedded part main body; 2. a positioning rod; 3. an L-shaped mounting plate; 4. an anti-falling block; 5. a clamping block; 6. a limiting block; 7. positioning a screw; 8. a fixing plate; 9. a conducting bar; 10. a positioning plate; 11. a limit screw; 12. presetting a positioning nail; 13. a connecting bolt; 14. a lock nut; 15. a limiting plate; 16. an anti-skid vertical groove; 17. an anti-skid transverse groove; 18. a drop-proof nut; 19. a limit bar; 20. a limit groove; 21. a connecting column; 22. a movable rod; 23. an abutting plate; 24. a thrust spring; 25. a guide groove; 26. a connecting stud; 27. a fixing screw; 28. a zinc column; 29. foam seals.

Detailed Description

The present invention will be described in detail with reference to the following embodiments for a full understanding of the objects, features and effects of the present invention, but the present invention is not limited thereto.

As shown in fig. 1 to 12, the offset prevention device for curtain wall embedded parts provided by the invention comprises an embedded part main body 1 and a positioning rod 2. The T-shaped groove is formed in the embedded part main body 1, mounting holes communicated with the T-shaped groove are formed in the middle and two sides of the surface, opposite to the notch, of the embedded part main body 1, the locating rod 2 is mounted in the mounting holes, the pair of limiting blocks 6 are slidably arranged in the T-shaped groove, and the length of one side of each limiting block 6 is smaller than the height of the notch, so that the limiting blocks 6 can enter the T-shaped groove from the notch. One surface of the limiting block 6 is provided with a positioning screw rod 7, and the positioning screw rod 7 extends out of the notch; a cylindrical groove is formed in one surface, opposite to the positioning screw 7, of the limiting block 6, and a thrust component is arranged in the cylindrical groove. Two L-shaped mounting plates 3 longitudinally arranged are arranged outside the notch, and the two L-shaped mounting plates 3 are arranged back to back. Two L type mounting panels 3 all vertically offer the regulation strip mouth with the plate body middle part that the notch is adjacent, and positioning screw 7 extends from adjusting the strip mouth, and positioning screw 7 is equipped with the setting element with the junction of L type mounting panel 3, and the setting element is used for spacing L type mounting panel 3.

The L-shaped mounting plates 3 are far away from the guide strip openings which are all arranged at the upper end and the lower end of the plate body of the notch, the extending direction of the guide strip openings is vertical to the extending direction of the adjusting strip openings, connecting bolts 13 are all transversely penetrated between the guide strip openings of the two L-shaped mounting plates 3, and the other ends of the connecting bolts 13 are connected with locking nuts 14. The embedded part main body 1 is also provided with a preset positioning component which is arranged on the same side wall as the mounting hole.

In the invention, the two sides of the opposite inner walls of the T-shaped groove and the notch are fixedly provided with the fixing plates 8, and the upper end and the lower end between the inner side surfaces of the two fixing plates 8 are transversely provided with the guide bars 9. Two guide grooves 25 are formed in one side wall of the limiting block 6, and the guide grooves 25 are formed in the side wall close to the fixed plate 8; one surface of the limiting block 6 opposite to the guide groove 25 is stuck to the inner wall of the T-shaped groove, a plurality of vertically arranged limiting grooves 20 are formed in the inner wall of the T-shaped groove at equal intervals at the stuck position, and a plurality of limiting strips 19 matched with the limiting grooves 20 in a clamping mode are protruded on the limiting block 6 at equal intervals.

In the invention, the thrust component comprises a connecting column 21 coaxially arranged in a cylindrical groove, a thrust cavity formed in the connecting column 21, a movable rod 22 longitudinally movably arranged in the thrust cavity and a drop-proof disc fixedly connected with the movable rod 22, wherein the drop-proof disc is arranged in the thrust cavity, and the front end of the drop-proof disc is connected with a thrust spring 24. Part of the movable rod 22 movably penetrates out of the thrust cavity and extends out of the cylindrical groove, and an abutting plate 23 is fixedly connected to the plane of the extending part of the movable rod 22. The positioning screw rod 7 penetrates into the cylindrical groove, a connecting stud 26 is arranged at the part of the positioning screw rod 7 penetrating into the cylindrical groove, and a thread groove connected with the connecting stud 26 in a screwing mode is formed in the connecting column 21. A threaded hole is formed in the inner wall, close to the threaded groove, of the thrust cavity, a fixing screw 27 is arranged in the threaded hole, a threaded hole channel is formed in the surface, close to the fixing screw 27, of the connecting stud 26, and the fixing screw 27 extends into the threaded hole channel. An operation hole penetrating through the anti-drop plate disc is formed in one side of the abutting plate 23 opposite to the movable rod 22. Under the effect of thrust subassembly, be convenient for make the terminal surface of stopper 6 with set up the T type inslot wall butt of notch to make spacing 19 joint advance spacing inslot 20 inside, be convenient for play the spacing effect of automatic forward pushing to the stopper 6 of installing into T type inslot, and then can avoid stopper 6 to appear at will gliding condition in T type inslot, and effectively improve the structural strength of being connected between stopper 6 and the built-in fitting main part 1.

In the invention, the positioning piece comprises a positioning plate 10 sleeved on the positioning screw rod 7 and a drop-proof nut 18 screwed on the rod body of the positioning screw rod 7. After the installation, one surface of the L-shaped installation plate 3 is contacted with the notch, the other surface of the L-shaped installation plate 3 is connected with one surface of the positioning plate 10, and the other surface of the positioning plate 10 is connected with the anti-drop nut 18. The rod body of the positioning screw 7 is provided with a reverse thread at a position adjacent to the positioning plate 10, and the rod body of the positioning screw 7 is provided with a forward thread at a position far away from the positioning plate 10; and a smooth surface section is reserved between the forward thread and the reverse thread. Through setting up of setting element, not only can improve positioning effect and steadiness to L type mounting panel 3, can improve moreover and further take-up spacing effect to stopper 6.

In the invention, the preset assembly comprises a through-nail hole and an internal thread hole which are formed in the embedded part main body 1, and the through-nail hole and the internal thread hole are arranged on the same side wall with the positioning rod 2. Preferably, the number of the nail penetrating holes is two, the inside of the nail penetrating holes is provided with the preset positioning nails 12, and the preset positioning nails 12 are finally nailed into the template; the number of the internal threaded holes is four, and limit screws 11 are arranged in the internal threaded holes. The knob is fixedly connected to the head of the limiting screw 11, a plurality of rotation stopping arc grooves are formed in the outer ring wall of the knob at equal intervals, and the stability of embedding the embedded part main body in concrete and the pulling resistance of the end part can be further improved through the cooperation of the limiting screw 11 and the knob. The fixing plate 8 is provided with a stabilizing hole for matching the limiting screw 11 and the preset positioning nail 12, a rubber ring is arranged in the stabilizing hole for fixing the preset positioning nail 12, and the rubber ring is used for fastening the preset positioning nail 12. The rubber ring can avoid the pre-positioning nail 12 from falling before being nailed into the template, and can improve the anti-shaking effect after the pre-positioning nail 12 is used for positioning the embedded part main body 1.

In the invention, one side of the positioning rod 2 far away from the embedded part main body 1 is fixedly connected with the anti-falling block 4, and the diameter of the anti-falling block 4 is obviously larger than that of the positioning rod 2; through setting up anticreep piece 4, can improve locating lever 2 locking effect after the connection, can improve the tensile pull-out intensity of locating lever 2 simultaneously after pouring concrete, strengthen the joint strength of locating lever 2 and wall body, locating lever 2 and embedded part main part 1's junction rigid coupling have joint piece 5. Preferably, the mounting hole is a horn-shaped orifice structure, and the clamping block 5 is a conical section block structure matched with the connecting port (mounting hole). After the installation is completed, the end face of the clamping block 5 is flush with the inner wall of the T-shaped groove. At this time, the guide bar 9 is pressed on the end face of the clamping block 5, so that the positioning rod 2 connected with the clamping block 5 is limited and fixed conveniently.

In the invention, a mounting slot hole is formed in the middle of one side, connected with the positioning rod 2, of the clamping block 5, the mounting slot hole and the positioning rod 2 are coaxially arranged, the mounting slot hole extends into the interior of the rod body of the positioning rod 2, and a zinc column 28 is fixedly plugged in the interior of the mounting slot hole. By providing the zinc column 28, the rust resistance of the embedded part as a whole can be improved.

Preferably, as shown in fig. 6, a plurality of anti-slip vertical grooves 16 are equidistantly formed on the outer wall of the plate body of the L-shaped mounting plate 3 where the guide strip openings are positioned, and the anti-slip vertical grooves 16 are parallel to the connecting shaft of the L-shaped mounting plate 3; a plurality of anti-skid transverse grooves 17 are formed in the outer wall of the plate body of the L-shaped mounting plate 3 where the adjusting strip openings are formed in an equidistant mode, and the anti-skid transverse grooves 17 are perpendicular to the connecting shaft of the L-shaped mounting plate 3.

A limiting plate 15 is attached to the outer wall of the L-shaped mounting plate 3 at the outer side of the guide strip opening, and a plurality of vertical raised strips matched with the anti-skid vertical grooves 16 are uniformly raised on the attaching surface of the limiting plate 15; a plurality of transverse convex strips matched with the anti-slip transverse grooves 17 are uniformly protruded on the joint surface of the positioning plate 10. The middle parts of the surfaces of the limiting plate 15 and the positioning plate 10 are provided with through holes; a pair of supporting strip grooves are formed in the outer surfaces of two side walls, adjacent to the notch, of the embedded part main body 1, and the extending direction of the supporting strip grooves is the same as that of the notch. The L-shaped mounting plate 3 is provided with a plurality of transversely arranged clamping bars at equal intervals on the surface connected with the notch, and the clamping bars can be clamped in the supporting bar grooves. The setting through the joint strip can improve the joint strength between L type mounting panel 3 and the built-in fitting body 1, can divide the load to built-in fitting body 1 with the falling force of L type mounting panel 3 moreover, avoids gravity to all act on positioning screw 7.

Before use, when the inside of the T-shaped groove of the embedded part main body 1 is in an empty state, the foam seal 29 is plugged in the notch, and the foam seal 29 is arranged, so that the tightness of the fit between the embedded part main body 1 and the inner wall of the template can be improved, the template can squeeze the foam seal 29, and the T-shaped groove is filled with the foam seal 29; the structure one can improve the sealing performance of the foam seal 29 after plugging, and prevent the poured concrete from entering the notch of the embedded part main body 1 from the two ends of the T-shaped notch; secondly, the anti-slip effect of the embedded part main body 1 and the template after being attached can be improved.

The invention also provides a using method of the deflection preventing device for the curtain wall embedded part, which comprises the following steps:

s1, firstly, a positioning rod 2 with an anti-falling block 4, a clamping block 5 and a zinc column 28 is arranged in a mounting hole of an embedded part main body 1, then a fixing plate 8 with a guide bar 9 is fixed on the inner wall of a T-shaped groove of the embedded part main body 1, a foam seal 29 is plugged in the T-shaped groove of the embedded part main body 1, and concrete can be prevented from entering the T-shaped groove during pouring through plugging the foam seal 29; then screwing the limit screw 11 into the internal threaded hole, penetrating the front end of the limit screw 11 out of the stabilizing hole of the fixed plate 8, reserving a half of the limit screw 11 outside the internal threaded hole, and after the limit screw 11 extends forwards from the inside of the stabilizing hole, playing a role in limiting and fixing the foam seal 29 plugged in the T-shaped groove; the predetermined location pin 12 is then inserted into the pin hole and is made to penetrate into the foam seal 29;

s2, placing the embedded part main body 1 with the positioning rod 2 beside a steel reinforcement framework to be poured, attaching the outer end face of the embedded part main body 1 to the inner wall of a template, enabling the positioning rod 2 to extend into the steel reinforcement framework at the moment, hammering the tip ends of the preset positioning nails 12 into the template by using hammers so as to enable the embedded part main body 1 to be stably fixed on the inner side of the template, and fixing the positioning rod 2 with the steel reinforcement framework by using steel wires, thereby completing positioning operation of the embedded part before pouring; the situation that the front end is inclined and offset due to the impact force generated when concrete is poured can be avoided when the rear end of the embedded part is connected with the reinforcement cage and the front end of the embedded part is not connected, and then after the building outer wall is formed and the template is removed, the flush effect of the front end opening of the embedded part main body 1 and the wall surface is effectively improved;

s3, after the wall body is formed and the template is disassembled and assembled, the face, with the notch, of the embedded part main body 1 embedded in the wall body is flush with the wall surface, then a foam seal 29 plugged in the T-shaped groove is cleaned by a scraper knife, then a limit block 6 with a positioning screw 7 is horizontally plugged in the T-shaped groove from the notch of the embedded part main body 1, the positioning screw 7 is pushed to compress a thrust spring 24 in a thrust component of the limit block 6 so that the limit block 6 can completely enter the T-shaped groove, then the limit block 6 is rotated for ninety degrees before a guide groove 25 on the limit block 6 is not clamped in a guide bar 9, so that the limit block 6 is in an upright state, then the limit block 6 is loosened, and the limit block 6 at the moment can be clamped in the limit groove 20 under the action of the thrust component, so that the limit block 6 installed in the T-shaped groove can be automatically pushed forward and limited, the condition that the limit block 6 slides randomly in the T-shaped groove can be avoided, and the structural strength of the connection of the limit block 6 and the embedded part main body 1 is effectively improved;

s4, after the limiting block 6 and the positioning screw 7 are installed, two L-shaped mounting plates 3 for fixing the curtain wall plate are installed on the front end face of the embedded part main body 1 through the matching of the positioning part and the positioning screw 7, and the installed L-shaped mounting plates 3 can be adjusted up and down and locked and fixed under the action of the adjusting strip opening and the positioning plate 10 in the positioning part; meanwhile, the limiting block 6 is tensioned and limited, so that the stability of the limiting block 6 after moving and adjusting is further improved; meanwhile, the situation that the installed L-shaped mounting plate 3 is deviated can be effectively avoided; the positioning screw 7 is provided with two types of threads with different screwing directions, so that the anti-disengaging effect between the anti-disengaging nut 18 and the positioning screw 7 is effectively improved; the stability of the L-shaped mounting plate 3 after mounting is further improved;

s5, after the installation of the L-shaped installation plates 3 is completed, the keel frame for fixing the curtain wall plates is arranged between the two L-shaped installation plates 3, and then the keel frame for fixing the curtain wall plates is clamped and limited through the cooperation of the connecting bolts 13, the locking nuts 14 and the limiting plates 15.

According to the invention, through the cooperation of the embedded part main body 1, the pre-positioning assembly and the positioning rod 2, the inner end and the outer end of the embedded part main body 1 can be effectively fixed, and the outer end surface of the embedded part main body 1 can be stably attached to the inner wall of the supported template; the situation that the front end of the embedded part, which is connected with the reinforcement cage and is not connected, is inclined and deviated due to the impact force generated when concrete is poured can be avoided, and further, after the building outer wall is formed and the template is removed, the effect that the front end face of the embedded part main body 1 is flush with the wall surface can be effectively improved; and then can play the effect of deviation prevention when the built-in fitting is installed.

Finally, it should be noted that: the above list is only a preferred embodiment of the present invention, and it is understood that those skilled in the art can make modifications and variations thereto, and it is intended that the present invention be construed as the scope of the appended claims and their equivalents.

Claims (10)

1. An offset prevention device for curtain wall embedded parts comprises an embedded part main body and a positioning rod, and is characterized in that,

the embedded part main body is provided with a T-shaped groove, the side wall of the embedded part main body opposite to the notch is provided with a mounting hole communicated with the T-shaped groove, and a positioning rod is arranged in the mounting hole; a pair of limiting blocks are slidably arranged in the T-shaped groove, the length of one side of each limiting block is smaller than the height of the notch, a positioning screw rod is arranged on one surface of each limiting block, the positioning screw rod extends out of the notch, a cylindrical groove is formed in one surface, opposite to the positioning screw rod, of each limiting block, and a thrust component is arranged in each cylindrical groove;

two L-shaped mounting plates are arranged outside the notch, the two L-shaped mounting plates are arranged back to back, the two L-shaped mounting plates and the adjacent plate bodies of the notch are provided with adjusting strip openings, positioning screws extend out of the adjusting strip openings, the L-shaped mounting plates are far away from the guide strip openings arranged on the plate bodies of the notch, connecting bolts transversely penetrate through the guide strip openings, and the other ends of the connecting bolts are connected with locking nuts;

the embedded part main body is also provided with a preset positioning component which is arranged on the same side wall as the mounting hole, the preset positioning component comprises a nail penetrating hole and an internal threaded hole which are formed in the embedded part main body, the nail penetrating hole and the internal threaded hole are arranged on the same side wall as the positioning rod, and preset positioning nails are arranged in the nail penetrating hole; and a limit screw is arranged in the internal thread hole.

2. The deflection preventing device for curtain wall embedded parts according to claim 1, wherein a fixing plate is fixedly arranged on the inner wall opposite to the T-shaped groove and the notch, and a guide bar is arranged on the inner side surface of the fixing plate; a guide groove is formed in one side wall of the limiting block, and the guide groove is arranged on the side wall close to the fixed plate; one surface of the limiting block, which is opposite to the guide groove, is stuck with the inner wall of the T-shaped groove, and the limiting grooves are formed in the inner wall of the T-shaped groove at equal intervals at the stuck position, and limiting strips are protruded on the limiting block.

3. The deflection preventing device for curtain wall embedded parts according to claim 2, wherein a positioning part is arranged at the joint of the positioning screw rod and the L-shaped mounting plate, and comprises a positioning plate sleeved on the positioning screw rod and a drop-proof nut screwed on the rod body of the positioning screw rod; one surface of the L-shaped mounting plate is contacted with the notch, the other surface of the L-shaped mounting plate is connected with one surface of the positioning plate, and the other surface of the positioning plate is connected with the anti-drop nut.

4. The deflection preventing device for curtain wall embedded parts according to claim 3, wherein the rod body of the positioning screw is provided with reverse threads at a position adjacent to the positioning plate, and the rod body of the positioning screw is provided with forward threads at a position far away from the positioning plate; and a smooth surface section is reserved between the forward thread and the reverse thread.

5. The deflection preventing device for curtain wall embedded parts according to claim 4, wherein the thrust component comprises a connecting column arranged in the cylindrical groove, a thrust cavity arranged in the connecting column, a movable rod movably arranged in the thrust cavity and an anti-drop disc fixedly connected with the movable rod;

the anti-drop disc is arranged in the thrust cavity, the anti-drop disc is connected with a thrust spring, a part of the movable rod movably penetrates out of the thrust cavity and extends out of the cylindrical groove, and an abutting plate is fixedly connected to the extending part of the movable rod;

the positioning screw rod penetrates into the cylindrical groove, and a connecting stud is arranged at the part of the positioning screw rod penetrating into the cylindrical groove;

the connecting column is provided with a thread groove in screwed connection with the connecting stud, the inner wall of the thrust cavity, which is close to the thread groove, is provided with a threaded hole, a fixing screw is arranged in the threaded hole, the connecting stud is provided with a threaded hole channel, and the fixing screw extends into the threaded hole channel;

an operation hole penetrating through the anti-falling plate disc is formed in one side of the abutting plate.

6. The deflection preventing device for curtain wall embedded parts according to claim 5, wherein the number of the nail penetrating holes is two, and the number of the internal threaded holes is four; the head of the limit screw is fixedly connected with a knob, and the outer ring wall of the knob is provided with a rotation stopping arc groove; the fixed plate is provided with a stabilizing hole for matching with the limit screw and the preset positioning nail, and a rubber ring is arranged in the stabilizing hole for fixing the preset positioning nail.

7. The deflection preventing device for curtain wall embedded parts according to claim 6, wherein an anti-drop block is fixedly connected to one side of the positioning rod, which is far away from the embedded part main body; the mounting hole is of a horn-shaped orifice structure, and the clamping block 5 is of a conical section block structure matched with the connecting port.

8. The deflection preventing device for a curtain wall embedded part according to claim 7, wherein a mounting slot hole is formed in one side, connected with the positioning rod, of the clamping block, the mounting slot hole is coaxially arranged with the positioning rod, the mounting slot hole extends into the positioning rod body, and a zinc column is arranged in the fixing plug inside the mounting slot hole.

9. The deflection preventing device for curtain wall embedded parts according to claim 8, wherein the outer wall of the plate body of the L-shaped mounting plate where the guide strip opening is positioned is provided with an anti-skid vertical groove which is parallel to the connecting shaft of the L-shaped mounting plate; an anti-skid transverse groove is formed in the outer wall of the plate body of the L-shaped mounting plate where the adjusting strip opening is located, and the anti-skid transverse groove is perpendicular to a connecting shaft of the L-shaped mounting plate;

a limiting plate is attached to the L-shaped mounting plate, and a plurality of vertical raised strips matched with the anti-skid vertical grooves are uniformly raised on the attaching surface of the limiting plate;

transverse convex strips are uniformly protruded on the joint surface of the positioning plate, and through holes are formed in both the limiting plate and the positioning plate; a pair of bearing strip grooves are formed in the outer surfaces of two side walls of the embedded part main body adjacent to the notch;

the L-shaped mounting plate is protruded with a plurality of transversely arranged clamping bars, and the clamping bars can be clamped in the supporting bar grooves.

10. The method of using a deflection prevention device for curtain wall embedments according to any one of claims 1-9, comprising the steps of:

s1, installing a positioning rod with an anti-falling block, a clamping block and a zinc column in an installation hole of an embedded part main body; fixing a fixing plate with a guide bar on the inner wall of a T-shaped groove of the embedded part main body, and plugging a foam seal in the T-shaped groove of the embedded part main body; screwing the limit screw into the internal threaded hole, so that the front end of the limit screw penetrates out of the stable hole of the fixed plate, and reserving half of the limit screw outside the internal threaded hole; inserting the preset positioning nails into the nail penetrating holes and penetrating the preset positioning nails into the foam seal;

s2, placing the embedded part main body with the positioning rod beside the steel reinforcement framework to be poured, enabling the outer end face of the embedded part main body to be attached to the inner wall of the template, and enabling the positioning rod to extend into the steel reinforcement framework; hammering the tip of a preset positioning nail into a template by using a hammer head, and fixing a positioning rod with a reinforcement cage binding frame through a steel wire;

s3, after the wall body is molded and the template is disassembled, cleaning out foam seals plugged in the T-shaped groove through a scraper knife; the limiting block with the positioning screw rod is horizontally plugged into the T-shaped groove from the notch of the embedded part main body, and the positioning screw rod is pushed to compress a thrust spring in the thrust component of the limiting block; before the guide groove on the limiting block is not clamped into the guide bar, the limiting block is rotated for ninety degrees; releasing the limiting block to enable the limiting strip to be clamped into the limiting groove;

s4, after the limiting block and the positioning screw are installed, installing two L-shaped mounting plates for fixing the curtain wall plate on the front end face of the embedded part main body;

s5, after the installation of the L-shaped mounting plates is completed, the keel frame for fixing the curtain wall plate is arranged between the two L-shaped mounting plates, and the keel frame for fixing the curtain wall plate is clamped and limited through the cooperation of the connecting bolts, the locking nuts and the limiting plates.