CN115126279B - Supporting device and method for concrete replacement of building shear wall - Google Patents

Abstract

The application discloses a supporting device and a method for concrete replacement of a building shear wall, and relates to the technical field of shear wall replacement, wherein the supporting device comprises an upper supporting plate and a lower supporting plate which are oppositely arranged, and a driving mechanism for driving the upper supporting plate and the lower supporting plate to be close to/far away from each other; one side of the upper supporting plate, which is far away from the lower supporting plate, is also connected with two clamping plates in a sliding manner, wherein the clamping plates slide along the thickness direction of the wall body, and when the upper supporting plate and the lower supporting plate are far away from each other, the two clamping plates are close to each other. The shear wall has the advantages that the problem that the wall above the smashing part is difficult to support when the shear wall at the high part is replaced is solved.

Description

Supporting device and method for concrete replacement of building shear wall

Technical Field

The application relates to the technical field of shear wall replacement, in particular to a supporting device and a supporting method for concrete replacement of a building shear wall.

Background

The shear wall is also called wind-resistant wall, anti-seismic wall or structural wall, is a wall body which mainly bears horizontal load and vertical load caused by wind load or earthquake action in houses or structures, is used for preventing the structure from being sheared and damaged, and is generally made of reinforced concrete.

After the original shear wall is poured, the wall body strength of a part of the area is possibly insufficient due to the quality problem of concrete, errors in construction or damage of supporting steel bars of the original shear wall, and the wall body in the area needs to be replaced, and a concrete replacement method is a common method for replacing the wall body. When the shear wall with insufficient strength is replaced by a concrete replacement method, firstly, the area to be replaced needs to be removed by smashing, and then concrete is poured again in the smashing area, so that the solidified area and the original shear wall on the periphery side are integrated to form a new shear wall.

With respect to the related art in the above, the inventors consider that there are the following drawbacks: when the wall body to be replaced is removed, the original shear wall body on the periphery of the wall body, particularly above the wall body, is required to be supported so as to ensure the stability of the overall structure of the shear wall, and the common support mode for the original shear wall body above the wall body is to respectively arrange brackets on two sides of the wall body in the thickness direction so as to form balanced support for the wall body on two sides of the wall body; however, when the shear wall to be replaced is located at a high position, the wall body above the smashing position is difficult to stably support at the outer side of the wall body, and further the support of the smashing shear wall body is not stable enough.

Disclosure of Invention

In order to solve the problem that the wall body above the smashing part is difficult to support when the shear wall at the high position is replaced, the application provides a supporting device and a supporting method for concrete replacement of the building shear wall.

The application provides a supporting device and a method for concrete replacement of a building shear wall, which adopt the following technical scheme:

the supporting device for concrete replacement of the building shear wall comprises an upper supporting plate and a lower supporting plate which are oppositely arranged, and a driving mechanism for driving the upper supporting plate and the lower supporting plate to be close to/far away from each other; one side of the upper supporting plate, which is far away from the lower supporting plate, is also connected with two clamping plates in a sliding manner, wherein the clamping plates slide along the thickness direction of the wall body, and when the upper supporting plate and the lower supporting plate are far away from each other, the two clamping plates are close to each other.

By adopting the technical scheme, the driving mechanism drives the upper supporting plate and the lower supporting plate which are oppositely arranged to be far away from each other until the upper supporting plate and the lower supporting plate respectively abut against the wall bodies on the upper side and the lower side of the chiseling part, so that the wall bodies above the chiseling part are stably and uniformly supported at the wall thickness of the wall bodies; when the upper supporting plate and the lower supporting plate support and chisel the wall body on the upper side and the lower side of the chiseling part, the clamping plates are close to each other and clamp the two sides of the wall body above the chiseling part, the wall body above the chiseling part is further reinforced, and meanwhile, the wall body above the chiseling part is prevented from being offset to a certain extent.

Optionally, the driving mechanism includes a bidirectional screw rod rotatably disposed on the upper support plate, and the bidirectional screw rod rotates around the thickness direction of the wall body; two ends of the bidirectional screw rod, which are opposite in screw thread rotation direction, are in threaded connection with sliding blocks, and the two clamping plates are respectively arranged on the two sliding blocks in a one-to-one correspondence manner; one end of the sliding block, which is close to the lower supporting plate, is hinged with a supporting rod, and one end of the supporting rod, which is far away from the sliding block, is hinged on the lower supporting plate.

By adopting the technical scheme, the two sliding blocks can be driven to approach/depart from each other by driving the bidirectional screw to rotate, so that the two clamping plates are driven to approach/depart from each other; when the two sliding blocks are close to each other, the clamping plates are close to each other, and simultaneously the supporting rods rotate towards the vertical direction to drive the upper supporting plate and the lower supporting plate to move reversely until the upper supporting plate and the lower supporting plate respectively abut against the wall bodies on the upper side and the lower side of the chiseling position.

Optionally, one clamping plate is fixedly connected to the corresponding sliding block, the other clamping plate is movably arranged on the corresponding sliding block, and the upper supporting plate is further provided with a clamping assembly for driving the movably arranged clamping plate to move towards the other clamping plate.

Through adopting above-mentioned technical scheme, because the shear force wall of different positions, it needs the height of supporting and the thickness of wall body self all different, consequently the back is taken off to a grip block that the activity set up, be convenient for make strutting arrangement be used for supporting different shear force walls when, make last backup pad and lower backup pad homoenergetic support tightly in chisel removing the wall body of department upper and lower both sides, go up backup pad and lower backup pad and prop tightly behind the wall body and the grip block butt that sets up fixedly, the rethread clamp assembly adjusts the grip block that the activity set up and makes it support tightly in the wall body, realize the grip block to the clamp of wall body fixed, and then improve strutting arrangement's suitability.

Optionally, the clamping assembly includes the rigid coupling in fixed block in the backup pad, the screw thread wears to be equipped with clamping bolt on the fixed block, clamping bolt's axial is on a parallel with the slip direction of clamping plate, clamping bolt's tip passes after the fixed block butt in the activity sets up one side that clamping plate kept away from another clamping plate.

Through adopting above-mentioned technical scheme, rotate clamping bolt can make clamping bolt's tip drive the clamping plate that the activity set up support tightly in the wall body, and then realize two clamping plates to pounding the reinforcement support of removing department top wall body.

Optionally, still rotate in the upper supporting plate and be connected with and be used for sheltering from the upper supporting plate with the baffle in clearance in lower supporting plate orientation wall body one side, the axis of rotation of baffle with the axial of two-way screw rod is parallel, still be provided with on the baffle and be used for order about when the baffle rotates two-way screw rod pivoted drive assembly.

By adopting the technical scheme, after chiseling work is carried out on a part of wall bodies to be chiseled, the baffle is rotated and simultaneously drives the bidirectional screw rod to rotate, so that the upper support plate and the lower support plate are driven to respectively abut against the wall bodies on the upper side and the lower side of the chiseled position, and simultaneously, the two clamping plates are driven to clamp the wall bodies above the chiseled position, so that the reinforcement and the support of the wall bodies above the chiseled position are completed; meanwhile, the baffle seals one side of the upper support plate and the lower support plate in the thickness direction of the wall body, so that after the baffle faces the wall body to be chiseled, a worker on one side of the baffle continuously chisels the wall body to be chiseled, a worker on the other side of the baffle can clean or repair residual concrete of the chiseled wall body, the baffle can better prevent concrete fragments from splashing during chiseling, and further the influence on the worker who carries out cleaning and repairing work is avoided.

Optionally, a rotating shaft is fixedly connected to the baffle, and the baffle is rotationally connected to the upper supporting plate through the rotating shaft; the driving assembly comprises a driving gear sleeved and fixed on the rotating shaft, and one end of the bidirectional screw rod is sleeved and fixed with a driven gear in meshed connection with the driving gear; the baffle is also provided with a fixing component for fixing the baffle on the lower supporting plate.

By adopting the technical scheme, the rotating baffle can drive the rotating shaft to rotate, the rotating shaft further rotates with the driving gear coaxially fixedly connected with the rotating shaft, the driving gear rotates once to drive the driven gear and the bidirectional screw to rotate, and the upper supporting plate and the lower supporting plate are driven to be mutually far away and simultaneously drive the two clamping plates to be mutually close; after the baffle is fixed on the lower support plate through the fixing component, the baffle can cover the gap between the upper support plate and the lower support plate and simultaneously drive the rotating shaft to be kept at a fixed rotating angle.

Optionally, the baffle comprises a pressing plate arranged at an opening, a folding plate wound in the opening of the pressing plate and a coil spring, wherein the folding plate is wound in the pressing plate through the coil spring, and the rotating shaft is fixedly connected to the pressing plate; the fixing assembly comprises an outer edge plate fixedly connected to one end of the folding plate, extending out of the pressing plate, a plurality of fixing bolts penetrate through the outer edge plate and are connected with the lower supporting plate in a threaded mode.

Through adopting above-mentioned technical scheme, press the rotation that the baffle can be realized to the pressing plate, after pressing plate rotates to upper supporting plate and lower backup pad and supports tightly in chisel department upper and lower both sides's wall body, pull out the folding board and with the folding board through fixed bolt lock in the lower backup pad after, make the pressing plate keep in fixed rotation angle under the effect of wind spring.

Optionally, the lower support plate is connected with a plurality of leveling bolts in a threaded manner, and the axial direction of the leveling bolts is parallel to the thickness direction of the lower support plate.

Through adopting above-mentioned technical scheme, because the wall body surface of chisel department is uneven, can make the lower backup pad keep in the horizontality through adjusting the distance that the little head end of leveling bolt stretched out the lower backup pad, leveling bolt can support the lower backup pad in the wall body of chisel department below in the butt simultaneously.

Optionally, the driving mechanism is provided with two groups.

By adopting the technical scheme, two groups of driving mechanisms, namely two groups of supporting rods can more stably support the wall bodies on the upper side and the lower side of the chiseling position.

In a second aspect, the present application provides a supporting method for concrete replacement of a shear wall of a building, using the supporting device for concrete replacement of a shear wall of a building, including the following steps:

s1, marking out a shear wall part to be chiseled;

s2, gradually chiseling out the shear wall part to be replaced along the horizontal direction, and removing the original transverse reinforcement part;

s3, installing a supporting device at a place where the transverse reinforcing steel bars are removed, rotating the bidirectional screw rod to drive the upper supporting plate and the lower supporting plate to respectively abut against the wall bodies on the upper side and the lower side of the chiseling part of the shear wall, and simultaneously clamping the wall bodies above the chiseling part by the two clamping plates on the two sides of the wall thickness of the wall body;

s4, removing residual concrete on the original reserved steel bars, replacing and installing the original transverse steel bars, and repairing the original damaged vertical steel bars;

s5, chiseling the original concrete wall surface of the periphery of the smashing part, and simultaneously supporting the mould;

s6, pouring concrete.

Through adopting above-mentioned technical scheme, when the reinforcing bar in the wall body that waits to replace appears damaging and needs to replace, support chiseling away partial wall body through strutting arrangement, ensured the stability and the support strength of chiseling away partial top and week side wall body as far as possible, the follow-up replacement work of being convenient for.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the driving mechanism drives the upper supporting plate and the lower supporting plate which are oppositely arranged to be far away from each other until the upper supporting plate and the lower supporting plate respectively abut against the wall bodies on the upper side and the lower side of the chiseling part, and are used for stably and uniformly supporting the wall bodies above the chiseling part at the wall thickness of the wall bodies; when the upper support plate and the lower support plate tightly support the wall bodies on the upper side and the lower side of the chiseling part, the clamping plates are close to each other and clamp the two sides of the wall body above the chiseling part, so that the wall body above the chiseling part is further reinforced, and meanwhile, the wall body above the chiseling part is prevented from being offset to a certain extent;

2. after one clamping plate which is movably arranged is taken down, when the supporting device is conveniently used for supporting different shear walls, the upper supporting plate and the lower supporting plate can be propped against the wall bodies on the upper side and the lower side of the chiseled-off position, the upper supporting plate and the lower supporting plate are propped against the wall bodies, the clamping plates which are fixedly arranged are propped against the wall bodies, and then the clamping plates which are movably arranged are regulated by the clamping assembly and are propped against the wall bodies, so that the clamping fixation of the clamping plates to the wall bodies is realized, and the applicability of the supporting device is improved;

3. the baffle has sealed the one side that upper backup pad and lower backup pad lie in wall thickness direction, makes the baffle towards the wall body that waits to chisel behind, and the staff of baffle one side continues to chisel the wall body that waits to chisel to remove, and the staff of baffle opposite side can carry out work such as residual concrete clearance or repair to the residual reinforcing bar that has chisel to remove wall body part, and the baffle can be better stops concrete fragment to splash when chisel to remove, and then avoids producing the influence to the staff who carries out clearance and repair work.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

Fig. 2 is a schematic view of a structure of an embodiment of the present application for primarily showing a clamping assembly and a driving mechanism.

Fig. 3 is a schematic structural diagram of the driving assembly according to the embodiment of the present application.

Fig. 4 is a schematic structural view of the baffle and the fixing assembly, which is mainly used for illustrating the embodiment of the present application.

Reference numerals: 11. an upper support plate; 111. a chute; 12. a lower support plate; 13. a clamping plate; 131. a circular groove; 2. a driving mechanism; 21. a bidirectional screw; 22. a slide block; 23. a support rod; 3. a clamping assembly; 31. a fixed block; 32. clamping a bolt; 4. a baffle; 41. pressing the plate; 42. a folding plate; 43. a coil spring; 44. a rotating shaft; 5. a drive assembly; 51. a drive gear; 52. a driven gear; 53. a synchronizing wheel; 54. a synchronous belt; 6. a fixing assembly; 61. an outer edge plate; 62. a fixing bolt; 7. leveling bolts.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

The embodiment of the application discloses a supporting device for concrete replacement of a building shear wall. Referring to fig. 1 and 2, the support device for concrete replacement of a shear wall of a building comprises an upper support plate 11 and a lower support plate 12 which are oppositely arranged, a driving mechanism 2 for driving the upper support plate 11 and the lower support plate 12 to be close to/far away from each other, and two clamping plates 13 which are connected to the upper support plate 11 in a sliding manner, wherein the driving mechanism 2 drives the upper support plate 11 and the lower support plate 12 to be far away from each other so as to support the wall body on the upper side and the lower side of the shear wall to be removed by abutting against the shear wall, and simultaneously clamps and supports the wall body above the removed position through the clamping plates 13.

Specifically, referring to fig. 2 and 3, the upper support plate 11 and the lower support plate 12 in the embodiment of the present application are rectangular plates, wherein the length direction of the upper support plate 11 is parallel to the wall thickness direction of the wall, and the length direction of the lower support plate 12 is parallel to the extending direction of the wall.

The driving mechanism 2 in this embodiment of the present application is provided with two sets at intervals along the width direction of the upper support plate 11, referring to fig. 3, the driving mechanism 2 includes a bidirectional screw 21 rotatably connected to the upper support plate 11, the axial direction of the bidirectional screw 21 is parallel to the length direction of the upper support plate 11, and one end of the bidirectional screw 21 extends out of the upper support plate 11. Two ends of the bidirectional screw rod 21, which are opposite in screw thread rotation direction, are connected with sliding blocks 22 in a threaded manner, one side of the upper supporting plate 11 is penetrated and provided with sliding grooves 111 which are matched with the sliding blocks 22 in a sliding manner, the length direction of the sliding grooves 111 is parallel to the length direction of the upper supporting plate 11, and the two sliding blocks 22 can be driven to be mutually close to/far away from each other in the sliding grooves 111 by rotating the bidirectional screw rod 21.

Referring to fig. 2 and 3, the side of the slider 22 away from the lower support plate 12 is flush with the side of the upper support plate 11 away from the lower support plate 12, and two sliders 22 located at the same end of the upper support plate 11 are disposed corresponding to the clamping plate 13 located at the same end; one clamping plate 13 is fixedly connected to one side of the two sliding blocks 22 away from the lower supporting plate 12, the other clamping plate 13 is movably arranged on one side of the other two sliding blocks 22 away from the lower supporting plate 12, specifically, a magnetic piece (not shown in the figure) is embedded into one side of the movably arranged clamping plate 13, which is close to the sliding blocks 22, and the sliding blocks 22 are metal blocks, so that the movably arranged clamping plates 13 can be driven to synchronously move when the sliding blocks 22 move through the magnetic piece.

In another possible embodiment, two butterfly bolts are penetrated on the clamping plate 13 which is movably arranged, the axial direction of the two butterfly bolts is vertical, the two butterfly bolts penetrate through the clamping plate 13 which is movably arranged and are respectively connected to the corresponding sliding blocks 22 in a threaded manner, and the clamping plate 13 which is movably arranged and the two sliding blocks 22 corresponding to the butterfly bolts can be separated by unscrewing the butterfly bolts.

The two bidirectional screws 21 are driven to synchronously rotate so as to drive the two support plates to approach each other, meanwhile, referring to fig. 2 and 3, the sliding block 22 in the embodiment of the present application is T-shaped, and the part corresponding to the small end thereof slides in the sliding groove 111 in the upper support plate 11, and the part corresponding to the large end extends out of the lower end surface of the upper support plate 11. One side of the sliding block 22 close to the lower supporting plate 12 is hinged with a supporting rod 23, and one side of the supporting rod 23 close to the lower supporting plate 12 is hinged on the lower supporting plate 12 in a ball mode. Two support rods 23 located in the same driving mechanism 2 are disposed to intersect in the width direction of the lower support plate 12 to improve the stability of the support thereof.

At this time, the two bidirectional screws 21 are driven to rotate, and the two clamping plates 13 are driven to be close to each other to clamp the wall body while the upper supporting plate 11 and the lower supporting plate 12 are driven to be far away from each other, and because the wall thicknesses of different shear wall bodies are different, the movably arranged clamping plates 13 can clamp and support the wall body above the smashing part while the upper supporting plate 11 and the lower supporting plate 12 are kept against the shear wall to smash the wall bodies on the upper side and the lower side of the smashing part.

In particular, the upper support plate 11 is further provided with a clamping assembly 3 for driving the movably arranged clamping plate 13 towards the other clamping plate 13. The clamping assembly 3 comprises a fixed block 31 fixedly connected to one end of the upper end face of the upper support plate 11 in the length direction, a clamping bolt 32 is threaded on the fixed block 31, and the axial direction of the clamping bolt 32 is parallel to the length direction of the upper support plate 11.

The round groove 131 which is matched with the small end of the clamping bolt 32 is formed in one side, close to the clamping bolt 32, of the upper supporting plate 11, the clamping bolt 32 can be stably driven by the clamping bolt 32 to slide along the length direction of the upper supporting plate 11 after the small end of the clamping bolt 32 stretches into the round groove 131 by rotating the clamping bolt 32, so that the distance between the two clamping plates 13 can be adjusted more flexibly and in short supply, and a wall above the position can be better supported and removed.

Further, referring to fig. 3 and 4 in combination, the upper support plate 11 is further rotatably connected with a baffle plate 4 for blocking a gap between the upper support plate 11 and the lower support plate 12 toward the wall, and the baffle plate 4 is further provided with a driving assembly 5 for driving the bi-directional screw 21 to rotate when the baffle plate 4 rotates and a fixing assembly 6 for fixing the baffle plate 4 to the lower support plate 12.

Referring to fig. 4, the baffle 4 includes a pressing plate 41 disposed with an opening, a rotating shaft 44 is fixedly connected to a closed end of the pressing plate 41, an axial direction of the rotating shaft 44 is parallel to a length direction of the upper support plate 11, and the pressing plate 41 is rotatably connected to one side of the upper support plate 11 in the length direction through the rotating shaft 44.

The pressing plate 41 is provided with a folding plate 42 and a coil spring 43 in an opening of the pressing plate, the folding plate 42 is wound on the pressing plate 41 through the coil spring 43, the fixing assembly 6 comprises an outer edge plate 61 fixedly connected to the free end of the folding plate 42, the outer edge plate 61 and the folding plate 42 are arranged at an included angle, the length of the outer edge plate 61 is matched with the width of the folding plate 42, and three fixing bolts 62 are further threaded on the outer edge plate 61 at intervals along the length direction of the outer edge plate.

Referring to fig. 3 and 4 in combination, the driving assembly 5 includes a driving gear 51 sleeved and fixed on the rotating shaft 44, and the driving gear 51 and the clamping bolt 32 are respectively located at two ends of the upper support plate 11 in the length direction; the driven gear 52 meshed with the driving gear 51 is fixedly sleeved on the bidirectional screw 21 close to the driving gear 51, and the number of teeth of the driving gear 51 is larger than that of teeth of the driven gear 52, so that when the plate surface of the pressing plate 41 rotates from a horizontal state to a vertical state, the distance between the upper support plate 11 and the lower support plate 12 can be adjusted from the minimum to the maximum.

Referring to fig. 3, the end portions of the two bidirectional screws 21 are fixedly sleeved with synchronizing wheels 53, and the two synchronizing wheels 53 are commonly connected with a synchronous belt 54. The pressing plate 41 is in a plate surface horizontal state initially, the pressing plate 41 is pressed downwards to drive the rotating shaft 44 to rotate, the driving gear 51 and the driven gear 52 are driven to rotate, the driven gear 52 drives the bidirectional screw rods 21 close to the driving gear 51 to rotate, the two bidirectional screw rods 21 synchronously rotate under the cooperation of the synchronous wheel 53 and the synchronous belt 54, and then when the pressing plate 41 is pressed, the upper supporting plate 11 and the lower supporting plate 12 reversely move until the upper supporting plate 11 and the lower supporting plate are respectively abutted against the wall bodies on the upper side and the lower side of the chiseled part, and simultaneously the two clamping plates 13 oppositely move to clamp the wall bodies above the chiseled part; the outer edge plate 61 is pulled down to extend out of the pressing plate 41, the outer edge plate 61 is fixed on the lower support plate 12 through the threaded cooperation of the fixing bolt 62 and the lower support plate 12, the pressing plate 41 can be kept at a proper rotation angle, and the baffle 4 integrally seals the gap on one side of the upper support plate 11 and the lower support plate 12; the distance between the two clamping plates 13 can be further adjusted by matching the fixing blocks 31 and the clamping bolts 32, so that the two clamping plates 13 are abutted against the wall body.

Referring to fig. 2, four leveling bolts 7 are further screwed on the lower support plate 12, the four leveling bolts 7 are located at four opposite positions at the center of the lower support plate 12, the lower support plate 12 can be kept in a horizontal state by adjusting the distance that the small head end of the leveling bolt 7 extends out of the lower support plate 12, so that the lower support plate 12 is convenient to be matched with a support rod 23 hinged with a ball, the distance between the upper support plate 11 and the lower support plate 12 is adjusted more stably, and meanwhile, the lower support plate 12 can support the upper support plate 11 more stably.

The implementation principle of the supporting device and the method for concrete replacement of the building shear wall provided by the embodiment of the application is as follows: pressing down the pressing plate 41 can drive the rotating shaft 44, the driving gear 51 and the driven gear 52 to rotate sequentially, and then drive the two bidirectional screws 21 to rotate synchronously under the cooperation of the synchronous wheel 53 and the synchronous belt 54, and the bidirectional screws 21 rotate to drive the two sliding blocks 22 on the same bidirectional screw 21 to approach each other, so as to drive the upper supporting plate 11 and the lower supporting plate 12 to move away from each other and drive the two clamping plates 13 to approach each other; after the pressing plate 41 is pressed down to the upper supporting plate 11 and the lower supporting plate 12 to prop against the wall bodies on the upper side and the lower side of the chiseled position of the shear wall, the outer edge plate 61 is pulled out, the outer edge plate 61 is fixed on the lower supporting plate 12 through the fixing bolts 62, the pressing plate 41 is kept at the current rotation angle under the action of the coil springs 43, the upper supporting plate 11 and the lower supporting plate 12 are kept in a state of propping against the wall bodies, the wall bodies above the chiseled position of the shear wall are supported, the distance between the two clamping plates 13 is further adjusted through the cooperation of the fixing blocks 31 and the clamping bolts 32, and the two clamping plates 13 can prop against the two sides of the wall bodies above the chiseled position of the shear wall to better support the wall bodies above the chiseled position of the shear wall;

meanwhile, two sides of the baffle 4 are divided into two working areas through the baffle 4, so that a worker on one side of the baffle 4 can continuously chisel a shear wall body to be chiseled, a worker on the other side of the baffle 4 can clean or repair residual concrete on residual reinforcing steel bars of the chiseled wall body part, the baffle 4 can better prevent concrete fragments from splashing during chiseling, and further the influence on the workers who perform cleaning and repairing works is avoided.

The embodiment of the application also discloses a construction shear wall concrete replacement method, which uses the supporting device for construction shear wall concrete replacement and comprises the following steps:

s1, marking off according to the condition of a construction site to determine a shear wall part to be chiseled off;

s2, gradually chiseling out the shear wall part to be replaced along the horizontal direction, and removing the original transverse reinforcement part;

s3, after chiseling part of the shear wall body, placing the supporting device at the position where the shear wall is chiseled off at the wall thickness, paying attention to the fact that the clamping plate 13 which is movably arranged is positioned at the inner side of the building body to facilitate subsequent operation, pressing down the pressing plate 41 to drive the upper supporting plate 11 and the lower supporting plate 12 to reversely move to be abutted against the wall body, enabling the clamping plate 13 which is fixedly arranged to be attached to the outer side wall of the wall body, and after the outer edge plate 61 is fixed to the lower supporting plate 12, rotating the clamping bolt 32 to enable the clamping plate 13 which is movably arranged to be abutted against the inner side wall of the wall body, and dividing two sides of the baffle 4 into two working areas through the baffle 4;

s4, workers on one side of the baffle 4 can continuously chisel the shear wall body to be chiseled, the workers on the other side of the baffle 4 remove the residual concrete on the original reserved reinforcing steel bars, the original transverse reinforcing steel bars are replaced and installed, and meanwhile the original damaged vertical reinforcing steel bars are repaired;

s5, chiseling the original concrete wall surface of the periphery of the chiseled part, so that the re-poured concrete wall surface can be better attached to the original concrete wall surface, and simultaneously, the chiseled part wall body is supported;

s6, pouring concrete, and forming a new shear wall with the original concrete wall surface after the concrete is dried.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (7)

1. The utility model provides a support arrangement for building shear force wall concrete replacement which characterized in that: comprises an upper supporting plate (11) and a lower supporting plate (12) which are oppositely arranged, and also comprises a driving mechanism (2) for driving the upper supporting plate (11) and the lower supporting plate (12) to be close to/far away from each other; two clamping plates (13) are connected to one side, far away from the lower support plate (12), of the upper support plate (11), the clamping plates (13) slide along the thickness direction of the wall body, and when the upper support plate (11) and the lower support plate (12) are far away from each other, the two clamping plates (13) are close to each other;

the driving mechanism (2) comprises a bidirectional screw rod (21) rotatably arranged on the upper supporting plate (11), and the bidirectional screw rod (21) rotates around the thickness direction of the wall body; two ends of the bidirectional screw rod (21) with opposite screw threads are in threaded connection with sliding blocks (22), and the two clamping plates (13) are respectively arranged on the two sliding blocks (22) in a one-to-one correspondence manner; one end of the sliding block (22) close to the lower supporting plate (12) is hinged with a supporting rod (23), and one end of the supporting rod (23) far away from the sliding block (22) is hinged on the lower supporting plate (12);

the upper support plate (11) is also rotatably connected with a baffle plate (4) for shielding a gap of the upper support plate (11) and the lower support plate (12) towards one side of a wall body, the rotation axis of the baffle plate (4) is parallel to the axial direction of the bidirectional screw rod (21), and the baffle plate (4) is also provided with a driving assembly (5) for driving the bidirectional screw rod (21) to rotate when the baffle plate (4) rotates;

a rotating shaft (44) is fixedly connected to the baffle (4), and the baffle (4) is rotatably connected to the upper supporting plate (11) through the rotating shaft (44); the driving assembly (5) comprises a driving gear (51) sleeved and fixed on the rotating shaft (44), and one end of the bidirectional screw rod (21) is sleeved and fixed with a driven gear (52) in meshed connection with the driving gear (51); the baffle (4) is also provided with a fixing component (6) for fixing the baffle on the lower support plate (12).

2. The support device for concrete replacement of a shear wall for a building according to claim 1, wherein: one clamping plate (13) is fixedly connected to the corresponding sliding block (22), the other clamping plate (13) is movably arranged on the corresponding sliding block (22), and the upper supporting plate (11) is also provided with a clamping assembly (3) for driving the movably arranged clamping plate (13) to move towards the other clamping plate (13).

3. The support device for concrete replacement of a shear wall for a building according to claim 2, wherein: the clamping assembly (3) comprises a fixed block (31) fixedly connected to the upper supporting plate (11), a clamping bolt (32) is arranged on the fixed block (31) in a threaded mode, the axial direction of the clamping bolt (32) is parallel to the sliding direction of the clamping plate (13), and the small head end of the clamping bolt (32) penetrates through the fixed block (31) and then abuts against one side, far away from the other clamping plate (13), of the clamping plate (13) which is movably arranged.

4. The support device for concrete replacement of a shear wall for a building according to claim 1, wherein: the baffle plate (4) comprises a pressing plate (41) arranged in an opening, a folding plate (42) wound in the opening of the pressing plate (41) and a coil spring (43), wherein the folding plate (42) is wound in the pressing plate (41) through the coil spring (43), and the rotating shaft (44) is fixedly connected to the pressing plate (41); the fixing assembly (6) comprises an outer edge plate (61) fixedly connected to one end of the folding plate (42) extending out of the pressing plate (41), a plurality of fixing bolts (62) penetrate through the outer edge plate (61), and the fixing bolts (62) penetrate through the outer edge plate (61) and are connected with the lower supporting plate (12) in a threaded mode.

5. The support device for concrete replacement of a shear wall for a building according to claim 2, wherein: the lower support plate (12) is connected with a plurality of leveling bolts (7) in a threaded mode, and the axial direction of each leveling bolt (7) is parallel to the thickness direction of the lower support plate (12).

6. The support device for concrete replacement of a shear wall for a building according to claim 2, wherein: the driving mechanism (2) is provided with two groups.

7. A supporting method for concrete replacement of a building shear wall is characterized by comprising the following steps of: a supporting device for concrete replacement of a shear wall for construction according to any one of claims 2 to 6, comprising the steps of:

s1, marking out a shear wall part to be chiseled;

s2, gradually chiseling out the shear wall part to be replaced along the horizontal direction, and removing the original transverse reinforcement part;

s3, installing a supporting device at a place where the transverse reinforcing steel bars are removed, rotating the bidirectional screw rods (21) to drive the upper supporting plate (11) and the lower supporting plate (12) to respectively abut against the wall bodies on the upper side and the lower side of the chiseled part of the shear wall, and simultaneously clamping the wall bodies above the chiseled part by the two clamping plates (13) on the two sides of the wall thickness of the wall body;

s4, removing residual concrete on the original reserved steel bars, replacing and installing the original transverse steel bars, and repairing the original damaged vertical steel bars;

s5, chiseling the original concrete wall surface of the periphery of the smashing part, and simultaneously supporting the mould;

s6, pouring concrete.

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