CN113089846A - Construction device and construction method for structural joint pulling plate - Google Patents
Construction device and construction method for structural joint pulling plate Download PDFInfo
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- CN113089846A CN113089846A CN202110307673.1A CN202110307673A CN113089846A CN 113089846 A CN113089846 A CN 113089846A CN 202110307673 A CN202110307673 A CN 202110307673A CN 113089846 A CN113089846 A CN 113089846A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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Abstract
The invention discloses a construction device and a construction method of a structural joint pulling plate, wherein the construction device comprises a base and a plurality of supporting rods; the base is of an annular structure and is provided with a plurality of channels along the radial direction of the base; one end of the supporting rod is in threaded fit with any channel, the other end of the supporting rod is connected with a push plate, and the push plate is used for stably fixing the vertical steel bars; the construction method is characterized in that the construction device is used for construction, the position of a vertical steel bar of the construction wall is stabilized in the construction process of the structural crack pulling plate, the smooth operation of the construction method is facilitated, the structural crack pulling plate is filled in the connecting position between the construction wall and the shear wall or between the construction wall and the beam, and the effects of saving the construction period and improving the construction efficiency are achieved.
Description
Technical Field
The invention relates to the technical field of engineering, in particular to a construction device and a construction method of a structural joint pulling plate.
Background
The outer wall is cast in situ completely, and the one-step casting molding of the outer wall is realized by utilizing the aluminum mold construction, so that the construction period can be saved, and the efficiency can be improved; in the construction process, if the filler wall and the structural stressed wall column are all rigidly connected, once an earthquake occurs, the deformation of the beam and the column cannot be deformed along with the earthquake waves due to the constraint of the wall body, so that the wall body is cracked, and the safety of a building is directly damaged under the serious condition.
Disclosure of Invention
The invention aims to provide a construction device and a construction method of a structural joint pulling plate, and discloses a construction device of the structural joint pulling plate, which achieves the effect of stabilizing vertical steel bars of a structural wall in the construction process of the structural joint pulling plate, and also discloses a method for filling the structural joint pulling plate between the structural wall and a stressed wall and between the structural wall and a beam, so as to achieve the effects of saving the construction period and improving the construction efficiency.
The invention is realized by the following technical scheme:
a construction device of a structural joint pulling plate comprises a base and a plurality of supporting rods; the base is of an annular structure and is provided with a plurality of channels along the radial direction of the base; one end of the supporting rod is in threaded fit with any channel, the other end of the supporting rod is connected with a push plate, and the push plate is used for stably fixing the vertical steel bars; the number of the supporting rods is determined according to the number of the vertical reinforcing steel bars to be fixed, the mounting positions of the supporting rods on the base are determined according to the positions of the vertical reinforcing steel bars, the pushing plate generally adopts an arc plate, the radian of the pushing plate is larger than that of the vertical reinforcing steel bars, and the pushing plate can be guaranteed to easily clamp the positions of the vertical reinforcing steel bars; when the steel bar clamping device is used, the base is placed between the vertical steel bars, and the push plate on the supporting rod just clamps the vertical steel bars.
Furthermore, the included angle of the central axes of any two adjacent channels is 30 degrees; four bracing pieces are installed in the base, the contained angle of two adjacent bracing pieces is 90 degrees, also can install three spinal branch vaulting poles, the contained angle of two adjacent bracing pieces is 120 degrees, during the erection bracing piece, the quantity of bracing piece is confirmed according to the quantity of vertical reinforcing bar, then confirm the mounted position of a plurality of bracing pieces on the base according to the position of vertical reinforcing bar, the base is placed on the central point of many vertical reinforcing bars, the bracing piece is placed on the line of vertical reinforcing bar and central point, fix the position of vertical reinforcing bar through the push pedal.
Furthermore, the device also comprises a rotating shaft, wherein the rotating shaft is arranged in an inner hole of the base; the supporting rod comprises a first telescopic section and a second telescopic section which are coaxially arranged, and the first telescopic section and the second telescopic section are in telescopic connection; a steel wire rope is arranged in the supporting rod, the steel wire rope penetrates through the first telescopic section and the second telescopic section along the axial direction of the supporting rod, one end, far away from the base, of the steel wire rope is fixedly connected with the push plate, and one end, close to the base, of the steel wire rope is detachably connected with the rotating shaft; the spring is arranged in the support rod along the axial direction of the support rod, the rotating shaft rotates, and the steel wire rope is pulled to surround the rotating shaft, so that the support rod is shortened, the overall volume of the construction device is reduced, and the construction device is taken out from the side edge of the vertical steel bar; the length of the steel wire rope is the linear distance from the side wall of the rotating shaft to the push plate, the steel wire rope cannot be too thick, otherwise, the steel wire rope is difficult to encircle the rotating shaft; the spring is stressed when the supporting rod is shortened, and after the force applied to the rotating shaft is released, the supporting rod is stretched under the action of the spring.
Furthermore, the spring is in a compressed state during working, so that the supporting rod is always in an extended state; after the construction device is taken out from between the vertical steel bars, the force applied to the rotating shaft is released, the spring generates thrust, the telescopic section of the supporting rod is pushed to extend, the steel wire rope is pulled to be separated from the rotating shaft, and the construction device is restored to the state before the rotating shaft does not rotate; the working time of the spring includes when the construction device is placed in the middle of the vertical steel bar, when the support rod is shortened and when the support rod is extended.
Further, one end of the steel wire rope close to the base is fixedly connected with a hook, and a hanging ring matched with the hook is fixedly arranged on the rotating shaft; one end of each steel wire rope is connected with a hook, and the hook can be a common pressing type hook on the market and can be opened by pressing.
Further, the construction device also comprises a chassis; the rotation axis passes the hole of base and rotates with the chassis to be connected, and the rotation axis is placed in the hole of base and is rotated with the chassis and be connected, and the base is placed on the chassis, and the chassis can be connected with the base, also can be simple placing only.
Further, the construction device also comprises a force application shaft; one end part of the rotating shaft, which is far away from the chassis, is fixedly connected with a first bevel gear, and one end part of the force application shaft is fixedly connected with a second bevel gear which is meshed with the first bevel gear; the included angle between the axis of the rotating shaft and the axis of the force application shaft is 90 degrees; the force application shaft is arranged perpendicular to the rotating shaft, and the rotating motion of the force application shaft is converted into the rotating motion of the rotating shaft through the meshing of the first bevel gear and the second bevel gear.
Furthermore, the other end of the force application shaft is fixedly connected with a rocking handle, and the rocking handle can be selected from rocking handles on the market, so that the rocking handle is convenient for workers to use.
A construction method of a structural joint pulling plate is used, the construction device of any one of the structural joint pulling plates is used for stabilizing the position of a vertical reinforcing steel bar of a construction wall in the construction process of the structural joint pulling plate, the construction method of the structural joint pulling plate is to fill the structural joint pulling plate at the connecting position between the construction wall and a shear wall or between the construction wall and a beam, and the concrete steps are as follows:
1) determining the specification of the structural joint pulling plate according to the thickness of the wall;
2) determining the length of the horizontal tear-seam plate according to the longitudinal length of the construction wall, and determining the length of the vertical tear-seam plate according to the vertical height of the construction wall;
3) drilling holes on the horizontal structural joint pulling plate according to the vertical steel bar position of the constructed wall, and drilling holes on the vertical joint pulling plate according to the horizontal steel bar position of the constructed wall;
4) after the concrete of the floor at the upper floor is poured and before the concrete is initially set, mounting a horizontal joint pulling plate between the beam and the construction wall on the beam, stabilizing the position of the vertical steel bar by using a construction device, penetrating the horizontal joint pulling plate through the vertical steel bar, taking out the construction device, and then fixing the position of the horizontal joint pulling plate by using the concrete;
5) binding the reinforcing steel bars of the construction wall and binding the reinforcing steel bars of the shear wall according to a design drawing;
6) arranging a vertical joint pulling plate at the joint position between the construction wall and the shear wall, penetrating the vertical joint pulling plate through a horizontal reinforcing steel bar, and fixing the positions of vertical joint pulling plates on the two sides of the vertical joint pulling plate by using measure reinforcing steel bars;
7) and welding the measure reinforcing steel bars and two horizontal reinforcing steel bars with the same height at the same side of the vertical seam pulling plate, wherein the welded structure of the measure reinforcing steel bars and the horizontal reinforcing steel bars at the two sides of the vertical seam pulling plate is in a shape of '#'.
Furthermore, the size of the hole of the horizontal seam pulling plate is larger than the diameter of the vertical steel bar; the size of the hole of the vertical seam pulling plate is larger than the diameter of the horizontal steel bar.
The invention has the following advantages and beneficial effects:
the construction device can quickly fix the position of the vertical steel bar to facilitate the installation of a subsequent horizontal seam pulling structure, can be smoothly taken out of the vertical steel bar, is provided with the resetting structure, and can be continuously used without intervals; the structural seam-pulling construction method has simple process, can reduce the risks of full cast-in-place outer wall concrete cracking, wall surface layer hollowing cracking caused by full cast-in-place outer wall concrete cracking, outer wall water seepage and the like, improves the construction quality of the engineering, shortens the construction time of the engineering, and reduces the labor, material and management cost of water seepage treatment.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic view of the arrangement of the pull seam of the structure of the present invention.
Fig. 2 is a top view of the arrangement of the vertical tear panels of the present invention.
Fig. 3 is a side view of the arrangement of the horizontal tear-off strip of the present invention.
Fig. 4 is a partial component configuration view of the construction apparatus of the present invention.
Fig. 5 is a structural view of the support bar of the present invention.
Fig. 6 is a schematic view of the arrangement of the support rods of the present invention.
Fig. 7 is a first layout view of the construction apparatus of the present invention in cooperation with vertical reinforcing bars.
Fig. 8 is a second layout view of the construction apparatus of the present invention in cooperation with vertical reinforcing bars.
Reference numbers and corresponding part names in the drawings:
1-construction wall, 2-shear wall, 3-horizontal joint pulling plate, 4-vertical joint pulling plate, 5-beam, 6-measure steel bar, 7-vertical steel bar, 8-horizontal steel bar, 9-base, 10-channel, 11-support bar, 111-first telescopic section, 112-second telescopic section, 12-push plate, 13-rotating shaft, 14-steel wire rope, 15-hanging ring, 16-hook, 17-spring, 18-chassis, 19-force application shaft, 20-first bevel gear, 21-second bevel gear and 22-rocking handle.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Examples
A construction device for a structural joint pulling plate, as shown in figures 4-8, comprises a base 9 and a plurality of supporting rods 11; the base 9 is of an annular structure and is provided with a plurality of channels 10 along the radial direction of the base 9; one end of each supporting rod 11 is in threaded fit with any one channel 10, the other end of each supporting rod 11 is connected with a push plate 12, the push plates 12 are used for stably fixing the vertical steel bars 6, the number of the supporting rods 11 is determined according to the number of the vertical steel bars 7 to be fixed, the supporting rods 11 are connected to the base 9, connection is completed, and it is guaranteed that when the construction device is placed among the vertical steel bars 7, the push plates 12 are just in one-to-one correspondence fit with the vertical steel bars 7; the supporting rods 11 are respectively provided with channels 10 towards a plurality of different directions, considering the practical use convenience, the included angle of the central axes of any two adjacent channels 10 is 30 degrees, and one base 9 is provided with nine channels 10, so that most use scenes are met; the push plate 12 connected to the support rod 11 is an arc-shaped plate, and the radian of the arc-shaped plate is larger than that of the vertical steel bar 7, as shown in fig. 5; the base 9 is in the present embodiment of annular ring structure, each channel 10 is the same, in other embodiments of square ring structure can be selected, the radial direction of the square ring structure is the direction from the center point of the base 9 to the side wall of the base 9, the channels 10 on the structure have different positions, and the corner is right angle, the appearance is not beautiful.
In order to solve the problem that the construction device cannot be smoothly taken out after the position of the vertical steel bar 7 is fixed, the support rod 11 is designed to be of a telescopic structure, and the purpose of smoothly taking out the construction device is achieved by controlling the telescopic of the support rod 11.
A rotating shaft 13 is placed in an inner hole of the base 9, the rotating shaft 13 can be configured to be a cylindrical column, a rectangular column and the like, in this embodiment, a cylindrical design is adopted, the rotating shaft 13 is detachably connected with a supporting rod 11 through a steel wire rope 14, the supporting rod 11 comprises a first telescopic section 111 and a second telescopic section 112 which are coaxially arranged, and the first telescopic section 111 and the second telescopic section 112 are in telescopic connection; wire rope 14 sets up inside bracing piece 11, passes first flexible section 111 and the flexible section 112 of second along the axial of bracing piece 11, and wire rope 14 keeps away from the one end and the push pedal 12 fixed connection of base 9, and wire rope 14 is close to the one end of base 9 and can dismantle the inside spring 17 that still is provided with of joint support pole 11 with rotation axis 13, and spring 17 follows bracing piece 11 axial is placed.
When the construction device is used, the rotating shaft 13 is rotated in situ, the steel wire rope 14 surrounds the rotating shaft 13 along with the rotation of the rotating shaft 13, the length of the steel wire rope 14 in the supporting rod 11 is shortened, the first telescopic section 111 and the second telescopic section 112 are shortened under the pulling of the steel wire rope, the volume of the whole construction device is reduced, and the purpose of smooth taking out is achieved; the rotating shaft 13 can be smoothly placed in the inner hole of the base 9 and has a certain distance with the side wall of the inner hole of the base 9, so that the steel wire rope 14 and the rotating shaft 13 can be conveniently detachably connected; the detachable connection mode of the hook 16 and the hanging ring 15 is adopted in the embodiment, the hook 16 is fixedly connected to one end of the steel wire rope 14 close to the base 9, the hanging ring 15 matched with the hook 16 is fixedly installed on the rotating shaft 13, the hook 16 is made of metal and is a pressing type hook, the edge of the hook 16 is bent to form a groove, the hanging ring 15 is also made of metal, the edge is bent to form a protrusion matched with the groove of the hook 16, the hook 16 and the hanging ring 15 form a stable detachable connection mode, the hook 16 and the hanging ring 15 are not easy to separate under the action of external force, the opening of the hook 16 is damaged accidentally, the hook 16 and the hanging ring 15 are still connected together due to the action of the groove and the protrusion, two short steel bars can also be fixedly connected to the edge of the hook 16 and installed towards the interior of the hook 16, two short steel bars are also installed to the edge of the hanging ring 15, when the hook 16 is connected with the hanging ring 15, a gap formed by the two short steel bars is buckled together, so that the connection stability of the hook 16 and the hanging ring 15 is enhanced; the circular ring is fixed on the side wall of the rotating shaft 13, and when the hook 16 is connected with the hanging ring 15, the connection point of the hanging ring 15 and the hook 16 is required to be ensured to be positioned on the axis extension line of the steel wire rope 14, so that the steel wire rope 14 is prevented from being bent, the steel wire rope is prevented from being rubbed with the end part of the supporting rod 11, and the service life of the steel wire rope 14 is shortened.
The construction device can be taken out smoothly, but when the construction device is used subsequently, the steel wire rope 14 on the rotating shaft 13 needs to be manually retracted, and the telescopic section 111 of the telescopic rod 11 needs to be stretched, so that the construction time is delayed in the actual use, and the construction efficiency is reduced.
A reset structure is arranged in the support rod 11, in the embodiment, the spring 17 is selected as the reset structure, the spring 17 is arranged in the support rod 11, and the spring 17 is arranged along the axial direction of the support rod 11, it should be noted that the spring 17 is always in a compressed state when working, and the working time includes that the construction device is arranged between the vertical steel bars 7, the support rod 11 is extended and the support rod 11 is shortened; the axial line of the spring 17 coincides with the axial line of the support rod 11, two ends of the spring 17 are respectively contacted with two ends of the support rod 11, the steel wire rope 14 passes through the center of the spring 17, reasoning generated by compression of the spring 17 prompts the telescopic section 111 of the support rod 11 to extend, after the construction device is taken out of a plurality of vertical steel bars 7, the fixed rotating shaft 13 is released, under the action of the compressed spring 17, the telescopic section 111 extends to drive the steel wire rope 14 to be released from the rotating shaft 13, and the construction device is restored to the state before the rotating shaft 13 rotates; the spring 17 is compressed or extended in the supporting rod 11, certain abrasion can be caused in the supporting rod 11, a layer of lubricating surface can be arranged on the inner wall surface of the supporting rod 11, and friction damage is reduced; the long-term compression extension of spring 17 also can cause the damage to the spring body, except selecting the high quality spring, still can set up the tip of bracing piece 11 into detachable structure, conveniently takes off the tip and changes spring 17, can also change wire rope 14.
In this embodiment, the spring 17, the wire rope 14, the hook 16 and the hanging ring 15 are made of high-strength materials, and are required to bear enough strength to ensure that the construction device can be smoothly used.
When the rotating shaft 13 rotates, the end face close to the base 9 or the end face close to the base is in the air or can be on the concrete, most of the state is on the concrete, when the rotating shaft 13 is rotated, a certain damage can be caused to the concrete plane, the end face of the rotating shaft 13 close to the base 9 is rotatably connected with a chassis 18, the rotating shaft 13 penetrates through the inner hole of the base 9, the shape of the chassis 18 is generally the same as that of the base 9 and can be overlapped with the base 9, the aesthetic property of the construction device is improved, the pressure of the base 9 and the rotating shaft 13 is uniformly transmitted to the concrete plane below, in the embodiment, the cross sections of the base 9, the rotating shaft 13 and the chassis 18 are all round, the cross sections of the three are the same, so that when the pressure is transmitted, the pressure is uniformly transmitted, the stress of the chassis 18 is uniform, and the contact area of the chassis 18 and the concrete plane is larger, damage to the concrete plane when the rotating shaft 13 rotates can be reduced.
In order to rotate the rotating shaft 13 smoothly, a force application shaft 19 is arranged, the rotating shafts 13 of the force application shaft 19 are connected through bevel gears, the rotation of the force application shaft 19 is converted into the rotation of the rotating shaft 13, the end part of the rotating shaft 13 far away from the chassis 18 is fixedly connected with a first bevel gear 20, and one end part of the force application shaft 19 is fixedly connected with a second bevel gear 21 meshed with the first bevel gear 20; an included angle between the axis of the rotating shaft 13 and the axis of the force application shaft 19 is 90 degrees, the force application shaft 19 is a long cylinder, the end part of the force application shaft 19 far away from the second bevel gear 21 is positioned outside the plurality of vertical steel bars 7, so that a constructor can rotate the force application shaft 19 conveniently, and a shell can be arranged outside the rotating shaft 13 and the force application shaft 19 to ensure that the positions of the first bevel gear 20 and the second bevel gear 21 cannot be dislocated; the other end of the force application shaft 19 is fixedly connected with a rocking handle 22, and the rocking handle 22 is rotated to achieve the purpose of rotating the force application shaft 19; the first bevel gear 20 and the second bevel gear 21 are both made of high-strength materials, the intersection angle between the two shafts needs to be 90 degrees, the gears are straight teeth or helical teeth, the strength of the gears needs to be calculated in advance, the steel wire rope 14 needs to be pulled to surround the rotating shaft 13, and in multiple tests, the meshing depth of the first bevel gear 20 and the second bevel gear 21 needs to be deep enough, and the deeper the gears are, the smaller the force applied to the rocking handle 22 is, and the more labor is saved.
A construction method of a structural crack pulling plate uses any one of the construction devices of the structural crack pulling plate, is used for stabilizing the position of a vertical reinforcing steel bar 7 of a construction wall 1 in the construction process of the structural crack pulling plate, and the construction method of the structural crack pulling plate is to fill the structural crack pulling plate at the connecting position between the construction wall 1 and a shear wall 2 or between the construction wall 1 and a beam 5, and comprises the following specific steps as shown in figure 1:
1) the specification of a structural joint pulling plate is determined according to the thickness of a wall body, finished PVC structural joint pulling plates on the market are selected for the structural joint pulling plate, the structural joint pulling plate is divided into a horizontal direction and a vertical direction, and before the wall body is constructed, the specification of a required structural joint pulling plate is determined according to a building drawing for purchasing;
2) the length of a horizontal seam pulling plate 3 is determined according to the longitudinal length of a construction wall 1, the length of a vertical seam pulling plate 4 is determined according to the vertical height of the construction wall 1, the horizontal seam pulling plate 3 is placed between a beam 5 and the construction wall 1, the vertical seam pulling plate 4 is placed between a shear wall 2 and the construction wall 1, after the structural seam pulling plate is purchased, the structural seam pulling plate needs to be cut according to the determined length, the structural seam pulling plate is generally cut to be shorter, and then the structural seam pulling plate needs to be spliced according to the actually required length;
3) drilling holes in the horizontal structure seam pulling plate 3 according to the position of a vertical steel bar 7 of the constructed wall 1, drilling holes in the vertical seam pulling plate 4 according to the position of a horizontal steel bar 8 of the constructed wall 1, wherein the diameter of the drilled holes needs to be larger than that of the steel bars, and the diameter of the general drilled holes is 1.5 times of that of the steel bars, so that the structure seam pulling plate can smoothly penetrate through the steel bars;
4) before the concrete pouring of the last floor is completed and the concrete is initially set, a horizontal seam pulling plate 3 between a beam 5 and a construction wall 1 is installed on the beam 5, a construction device is used for stabilizing the position of vertical reinforcing steel bars 7, the horizontal seam pulling plate 3 penetrates through the vertical reinforcing steel bars 7, the construction device is taken out, then the position of the horizontal seam pulling plate 3 is fixed by the concrete, the placement direction of the horizontal seam pulling plate 3 needs to follow the installation rule of the horizontal seam pulling plate 3, the table top avoided close to the outer side is lower than the table top avoided close to the inner side wall surface, and the table top avoided close to the outer side is shown in fig. 3
5) Binding the reinforcing steel bars of the construction wall 1 and binding the reinforcing steel bars of the shear wall 2 according to a design drawing;
6) arranging a vertical joint pulling plate 4 at the joint position between the construction wall 1 and the shear wall 2, enabling the vertical joint pulling plate 4 to penetrate through a horizontal reinforcing steel bar 8, and fixing the positions of vertical joint pulling plates 4 at two sides of the vertical joint pulling plate 4 by using measure reinforcing steel bars 6; the installation mode of the vertical seam pulling plate 4 is shown in fig. 2, and the horizontal steel bars 8 need to be subjected to drawing and fixing treatment;
7) the measure reinforcing steel bars 6 and the two horizontal reinforcing steel bars 8 with the same height are welded on the same side of the vertical seam pulling plate 4, and the welded structure of the measure reinforcing steel bars 6 and the horizontal reinforcing steel bars 8 on the two sides of the vertical seam pulling plate 4 is in a shape of '#', so that the vertical seam pulling plate 4 is ensured to be stably installed, and the vertical seam pulling plate 4 is restrained from moving when a template is installed or concrete is poured; the length of the measure reinforcing steel bars 6 is generally as wide as the wall body, the measure reinforcing steel bars are connected with the horizontal reinforcing steel bars 8 in a spot welding mode, after welding is completed, the measure reinforcing steel bars 6 and the horizontal reinforcing steel bars 8 are bound again, and the fixing effect on the vertical seam pulling plates 4 is enhanced.
The construction method of the structural seam-pulling plate is used for construction, finished PVC structural seam-pulling fixation is adopted, the engineering quality is improved, the labor, material and management costs of full cast-in-place outer wall concrete cracking, wall surface layer hollowing cracking and outer wall water seepage treatment caused by full cast-in-place outer wall concrete cracking are greatly reduced, the risks of full cast-in-place outer wall concrete cracking, wall surface layer hollowing cracking and outer wall water seepage caused by full cast-in-place outer wall concrete cracking are reduced when the structural seam-pulling plate is applied to actual construction projects at present, and the construction unit and the supervision unit are commented consistently.
The vertical steel bars 7 for constructing the wall 1 are generally four, connecting lines of the four steel bars are square, four channels 10 with included angles of 90 degrees are selected on a base 9, the selected channels 10 are connected with supporting bars 11, then the supporting bars 11 are connected with a rotating shaft 13, so as to form a construction device for fixing the four vertical steel bars 7, when the number or the distribution positions of the vertical steel bars 7 are changed, a proper channel 10 can be selected to install the supporting bars 11 according to the specific steel bar positions, for example, three vertical steel bars 7 are arranged, connecting lines of vertex angles of the three vertical steel bars 7 are isosceles triangles, when the channel 10 is selected, attention is paid to the fact that the included angle between the selected channels 10 is 120 degrees, because of the isosceles triangles, the required length of the supporting bars 11 is consistent, in other embodiments, the required length of the supporting bars 11 is different, and the length of the supporting bars 11 needs to be adjusted by matching of a steel, the position of the vertical steel bar 7 can be just fixed by the push plate 12, and the 30-degree included angle between two adjacent channels 10 can meet most construction conditions, so that the flexibility of the construction device is enhanced.
A shell is arranged outside the rotating shaft 13 and the force application shaft 19, so that the appearance is enhanced, the relative positions of the rotating shaft 13 and the force application shaft 19 can be fixed by the shell, the attention of workers on the matching of the first bevel gear 20 and the second bevel gear 21 is saved, and a detachable matching mode with the base 9 can be arranged on the shell.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A construction device of a structural joint pulling plate is characterized by comprising a base (9) and a plurality of supporting rods (11);
the base (9) is of an annular structure and is provided with a plurality of channels (10) along the radial direction of the base (9);
one end of the supporting rod (11) is in threaded fit with any channel (10), the other end of the supporting rod (11) is connected with the push plate (12), and the push plate (12) is used for stably fixing the vertical steel bars (7).
2. The apparatus of claim 1, wherein the construction machine for a structural tear panel,
the included angle of the central axes of any two adjacent channels (10) is 30 degrees.
3. The apparatus of claim 2, wherein the construction machine for the structural tear-open panel,
the rotary shaft (13) is arranged in an inner hole of the base (9);
the supporting rod (11) comprises a first telescopic section (111) and a second telescopic section (112) which are coaxially arranged, and the first telescopic section (111) and the second telescopic section (112) are in telescopic connection;
a steel wire rope (14) is arranged in the supporting rod (11), the steel wire rope (14) penetrates through the first telescopic section (111) and the second telescopic section (112) along the axial direction of the supporting rod (11), one end, far away from the base (9), of the steel wire rope (14) is fixedly connected with the push plate (12), and one end, close to the base (9), of the steel wire rope (14) is detachably connected with the rotating shaft (13);
the support rod (11) is internally provided with a spring (17), and the spring (17) is axially arranged along the support rod (11).
4. A construction device of a structural joint pulling plate according to claim 3,
the spring (17) is in a compressed state during operation.
5. The apparatus of claim 4, wherein the construction device is a construction device for a structural joint-pulling plate,
one end of the steel wire rope (14) close to the base (9) is fixedly connected with a hook (16),
and a hanging ring (15) matched with the hook (16) is fixedly arranged on the rotating shaft (13).
6. The apparatus of claim 5, wherein the construction machine for the structural tear-off strip comprises a plurality of the work rolls,
the construction device further comprises a chassis (18);
the rotating shaft (13) penetrates through an inner hole of the base (9) and is rotatably connected with the chassis (9).
7. The apparatus of claim 6, wherein the construction machine for the structural tear-open panel,
the construction device further comprises a force application shaft (19);
the end part of the rotating shaft (13) far away from the chassis (18) is fixedly connected with a first bevel gear (20), and one end part of the force application shaft (19) is fixedly connected with a second bevel gear (21) meshed with the first bevel gear (20);
and an included angle between the axis of the rotating shaft (13) and the axis of the force application shaft (19) is 90 degrees.
8. The apparatus of claim 7, wherein the construction machine for the structural tear-open panel,
the other end of the force application shaft (19) is fixedly connected with a rocking handle (22).
9. A construction method of a structural expansion joint plate, characterized in that the construction device of any one of the structural expansion joint plate of claims 1 to 8 is used for stabilizing the position of the vertical steel bars (7) of the construction wall (1) during the construction process of the structural expansion joint plate, the construction method of the structural expansion joint plate is to fill the structural expansion joint plate at the connection position between the construction wall (1) and the shear wall (2) or between the construction wall (1) and the beam (5), and the concrete steps are as follows:
1) determining the specification of the structural joint pulling plate according to the thickness of the wall;
2) determining the length of the horizontal seam pulling plate (3) according to the longitudinal length of the construction wall (1), and determining the length of the vertical seam pulling plate (4) according to the vertical height of the construction wall (1);
3) the horizontal structure is drilled on the seam pulling plate (3) according to the position of a vertical reinforcing steel bar (7) of the construction wall (1), and the vertical seam pulling plate (4) is drilled according to the position of a horizontal reinforcing steel bar (8) of the construction wall (1).
4) Before the concrete of the upper floor is poured and the concrete is initially set, a horizontal joint pulling plate (3) between a beam (5) and a construction wall (1) is installed on the beam (5), a construction device is used for stabilizing the position of a vertical reinforcing steel bar (7), the horizontal joint pulling plate (3) penetrates through the vertical reinforcing steel bar (7), the construction device is taken out, and then the position of the horizontal joint pulling plate (3) is fixed by using the concrete;
5) binding reinforcing steel bars of the construction wall (1) and binding reinforcing steel bars of the shear wall (2) according to a design drawing;
6) arranging a vertical joint pulling plate (4) at the joint position between the construction wall (1) and the shear wall (2), enabling the vertical joint pulling plate (4) to penetrate through a horizontal reinforcing steel bar (8), and fixing the positions of the vertical joint pulling plates (4) at the two sides of the vertical joint pulling plate (4) by using measure reinforcing steel bars (6);
7) the measure reinforcing steel bars (6) and two horizontal reinforcing steel bars (8) with the same height are welded on the same side of the vertical seam pulling plate (4), and the welded structures of the measure reinforcing steel bars (6) and the horizontal reinforcing steel bars (8) on the two sides of the vertical seam pulling plate (4) are in a shape of '#'.
10. The method of constructing a structural fin-and-tube joint as recited in claim 9,
the size of the hole of the horizontal tear-off plate (3) is larger than the diameter of the vertical steel bar (7);
the size of the hole of the vertical seam pulling plate (4) is larger than the diameter of the horizontal steel bar (8).
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Application publication date: 20210709 |