Post-cast strip independent support system and implementation method

Abstract

The application discloses the technical field of building construction, in particular to a post-pouring zone independent support system and an implementation method, which adopts a post-pouring zone first formwork support system to erect a jacking support together with a scaffold and a wooden formwork, cracks and water seepage at a stress position after jacking after the formwork is removed are prevented, and hidden problems are prevented from occurring, through jacking treatment of a top support plate at the top of an inclined support and a vertical support rod two, the jacking and blocking effect of the post-pouring zone is ensured, the blocking effect is ensured by mutually splicing the blocking plates to form a whole, and the vertical height of the vertical support rod one and the vertical support rod two is adjustable to ensure the adaptation to various jacking heights. The post-pouring zone formwork support system after jacking after the formwork is removed can not find cracks and water seepage at a stress position after jacking after the formwork is removed, but the root problem cannot be solved, and only the speed of cracks at the stress position can be temporarily delayed, but various subsequent problems will gradually appear, and normal use is affected.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building construction, in particular to a post-pouring belt independent support system and implementation method. BACKGROUND

[0002] The post-pouring belt independent support system is composed of square steel, light blocking plate and the like, and is installed by means of anchor plate, bolt, pre-buried bolt and rotating shaft during formwork erection and before pouring of concrete, thereby playing a certain supporting role for the post-pouring belt of the building engineering, avoiding the complicated process of internal support scaffold formwork erection and independent formwork erection at the post-pouring belt, protecting the main structure, and greatly reducing the labor and material resources during installation, and almost 1-2 persons can complete the installation work.

[0003] In recent years, with the continuous improvement of the comprehensive national strength of China and the continuous progress of science and technology, people's requirements for the quality of life are also improving, and the requirements for structural engineering have reached a corresponding height and cognition. The state and local governments have introduced mandatory requirements and various supervision and inspection for the post-pouring belt of the building engineering. However, due to the complex installation process of the post-pouring belt support rod of the building engineering, it is time-consuming, labor-intensive and material-consuming, so many post-pouring belts of the building engineering are supported after the formwork is removed. Early removal of the formwork will cause cracking, water seepage and stress at the post-pouring belt and cantilever position, which may seriously affect the safety of the structure, cause overturning or fracture, and the hidden problems such as cracking and water seepage at the post-pouring belt and cantilever position after the formwork is removed and the post-pouring belt is supported may not be found and solved. It can only be said that the speed of cracking at the post-pouring belt is temporarily delayed, but subsequent problems will gradually appear, affecting the normal use function. SUMMARY

[0004] The technical problem to be solved by the present application is how to fundamentally solve the hidden problems such as cracking and water seepage at the post-pouring belt after the formwork is removed and the post-pouring belt is supported.

[0005] In order to solve the above technical problems, the inventors have obtained the technical scheme of the present application through practice and summary. The present application adopts the following technical scheme:

[0006] A post-pouring belt independent support system, comprising two groups of support assemblies, each of the two groups of support assemblies comprising a vertical support rod one and a vertical support rod two, the vertical support rod one and the vertical support rod two being vertically adjustable and arranged, and a blocking plate being installed at the top of the vertical support rod two, the blocking plate being suitable for supporting the bottom of the post-pouring belt area, the two blocking plates being arranged in a spliced manner, two inclined support rods being installed on both sides of the vertical support rod two, the inclined support rods being suitable for upwardly supporting the blocking plate, and the two ends of the inclined support rods being hingedly arranged with the vertical support rod two and the blocking plate, respectively.

[0007] In a further preferred embodiment, a support plate is installed at the top of the second vertical support rod, and the support plate is suitable for installing the sealing plate.

[0008] In a further preferred embodiment, an anchor plate is installed at the bottom of the first vertical support rod, and an anchor bolt is installed on the anchor plate. Both the first and second vertical support rods are provided with socket holes, and pins are inserted into the corresponding socket holes on the first and second vertical support rods.

[0009] In a further preferred embodiment, a lockable rotatable scissor support is installed between the vertical support rods of the two sets of support components. Both sides of the lockable rotatable scissor support are equipped with insert plates, which are suitable for installation on the corresponding vertical support rods.

[0010] In a further preferred embodiment, the sealing plates are connected by a mortise and tenon structure.

[0011] In a further preferred embodiment, both of the two sealing plates located at the bottom of the post-pouring strip are provided with a socket and a socket body. The socket on one sealing plate is adapted to the socket on the other sealing plate, and the two sets of socket bodies are staggered. The socket bodies are horizontally slidably arranged relative to the sealing plates. A drive rod is movably installed on the socket body. The length of the drive rod is adjustable, and hooks are provided at both ends of the drive rod. One hook is suitable for hooking with the socket body, and the other hook is connected to the diagonal brace on the corresponding sealing plate.

[0012] In a further preferred embodiment, a top support assembly is supported on the drive rod. The top support assembly includes a main body with an adjustable length. The top of the main body is adapted to fix the socket body after it is adapted to the socket. A foot support rod is hinged to the main body, and the bottom of the foot support rod is adjustablely mounted on the drive rod.

[0013] In a further preferred embodiment, the top of the main body is a U-shaped structure, and the outer side of the U-shaped structure is provided with several sockets suitable for inserting and fixing the socket body. The U-shaped structure is suitable for supporting the splice joint of two sealing plates.

[0014] A method for implementing a post-cast strip independent support system includes the following steps:

[0015] Step 1: When constructing the bottom slab reinforcement, determine the position of the post-pouring strip of the upper slab, accurately locate the position of each anchor bolt, wrap the threads of the anchor bolts before construction, perform rust prevention treatment, and then pour concrete to embed the anchor bolts.

[0016] Step 2: Before setting up the formwork for the upper roof slab, complete the preliminary work for the independent support system, weld anchor plates, check whether vertical support rod one and vertical support rod two can be effectively inserted, determine the floor height according to the drawing requirements, and insert pins for fixation.

[0017] Step 3, during the installation process of the wooden template scaffold, the blocking plate and the wooden template are effectively assembled and fixed according to the pre-reserved joint, the vertical support rod one and the vertical support rod two are effectively inserted and erected, the support plate welded with the vertical support rod two of the blocking plate is tightened by bolts;

[0018] Step 4, the operating personnel fix and connect the blocking plate with the oblique support rod prepared in advance to strengthen the overall stability;

[0019] Step 5, at the opposite position of the support node of the post-cast strip, the operating personnel connect another set of blocking plates with another oblique support rod, the bolts are not tightened at one time, the lower end of the bolt is connected with the inserted pin of the vertical support rod two welded in advance, and the bolt is also not tightened, after the blocking plate is tightly assembled with the already supported blocking plate and locked by the similar mortise and tenon spring buckle, the two ends of the bolt are finally tightened;

[0020] Step 6, the opposite position of the post-cast strip of the independent support device is also installed according to steps 1-5;

[0021] Step 7, after the installation of all independent supports is completed, the lockable scissors support is installed, the flat head plug plate at the four ends of the scissors support is inserted into the two vertical support rods one, and the pin shaft welded on the plug plate is tightened by bolts and the verticality of the independent support is checked, which should be 90 degrees vertical, if the square steel tube is inclined due to the force of the scissors support, please loosen the bolt in time, adjust to the best position and tighten;

[0022] Step 8, at the junction of the blocking plate and the wooden template, the corner code and self-tapping bolt are used for effective connection, if the gap is too large after assembly due to the process problem of the wooden template, the gap is sealed with rubber strips or plastic adhesive tape;

[0023] Step 9, the anchor plate at the bottom of the vertical support rod one has been connected to the pre-buried anchor bolt, the operating personnel tighten the nut, and then wrap the anchor plate with fine stone concrete of 220*220*15.

[0024] Step 10, after the entire support system is completed, self-checking is qualified for acceptance, the verticality of the square steel tube, the effectiveness of the inserted pin, whether the bolt is loose, whether the blocking plate is tightly assembled, whether the blocking plate and the wooden template are treated with jointing, whether the gap is effectively sealed, and the effective connection of the scissors support of the independent support system are checked.

[0025] Step 11, after the acceptance of the previous step is qualified, the steel bars can be bound and checked after the completion of the reinforcement, during the pouring process, the upper and lower laser vertical instruments can be installed on the vertical support rods of the independent support system, and a special person is assigned to patrol, if necessary, two horizontal pull rods are installed at the horizontal center line position of each independent support square steel tube to ensure that the column does not deviate during the pouring of concrete;

[0026] Step 12: After the concrete reaches its strength, remove the internal support scaffolding and wooden formwork. Its independent support system is completely disconnected from other systems when dismantling them. After the workers remove the corner brackets connecting the sealing plate to the wooden formwork, they can gently remove it from the other end of the wooden formwork using a pry bar.

[0027] Step 13: After the post-pouring strip is poured and the concrete reaches a certain strength, remove the independent support system. First, remove the shear support, then remove the two diagonal braces of the second vertical support rod, pull out the fixing pins, slowly lower the second vertical support rod, break off the anchor plate wrapped below, clean it, and then unscrew the nuts on the anchor bolts to remove and put it back in the warehouse for use in subsequent projects.

[0028] Step 14: After cutting off the anchor bolt heads with a cutting machine, perform anti-corrosion treatment. This completes the installation and dismantling of the system.

[0029] Compared with the prior art, the present invention has the following beneficial effects:

[0030] This invention employs a post-cast strip formwork support system that is erected together with scaffolding and wooden formwork to prevent hidden problems such as cracking and water seepage at stress points after the formwork is dismantled and the formwork is re-erected. By using diagonal supports in conjunction with the top of the vertical support rod two to support the top sealing plate, the sealing effect of the post-cast strip is ensured. At the same time, the sealing plates are spliced ​​together to form a whole to ensure the sealing effect. The vertical height of the first and second vertical support rods is adjustable to accommodate various support heights.

[0031] When constructing a support for a large span or thick post-cast strip, a socket and slot can be added between the two sets of slabs to ensure horizontal insertion, thereby ensuring the tightness of the joint and preventing grout leakage. At the same time, the drive rod will adapt the socket and slot to insert and simultaneously provide upward support for the slab, ensuring the support effect. Attached Figure Description

[0032] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present invention;

[0033] Figure 2 For the present invention Figure 1 A schematic diagram of the overall structure of the supporting components;

[0034] Figure 3 For the present invention Figure 2 A schematic diagram of the overall structure of the back of the sealing plate;

[0035] Figure 4 This is a schematic diagram of the overall structure of another embodiment of the present invention;

[0036] Figure 5 forFigure 4 The structural connection relationship between the drive rod and the socket;

[0037] Figure 6 for Figure 5 The structural connection relationship between the socket and the insert body;

[0038] Figure 7 This is a schematic diagram of the overall structure of another embodiment of the present invention;

[0039] Figure 8 for Figure 7 The structural connection relationship between the drive rod and the socket;

[0040] Figure 9 for Figure 8 The structural connection between the central column and the socket.

[0041] In the diagram: 1. Vertical support rod one; 2. Vertical support rod two; 3. Sealing plate; 321. Socket; 322. Socket body; 4. Diagonal brace; 7. Drive rod; 71. Hook body; 8. Main body; 81. U-shaped structure; 82. Socket plug; 9. Foot support rod; 10. Pin; 11. Anchor plate; 12. Anchor bolt; 13. Locking and rotating scissor support; 14. Insert plate. Detailed Implementation

[0042] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0043] In the description of this invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0044] Example 1

[0045] like Figures 1 to 3 As shown, an independent support system for post-cast strip includes two sets of support components. Each set of support components includes a vertical support rod 1 and a vertical support rod 2. The vertical support rod 1 and the vertical support rod 2 are vertically adjustable. A sealing plate 3 is installed on the top of the vertical support rod 2. The sealing plate 3 is suitable for supporting the bottom of the post-cast strip area. The two sets of sealing plates 3 are spliced ​​together. Two diagonal braces 4 are installed on both sides of the vertical support rod 2. The diagonal braces 4 are suitable for supporting the sealing plate 3 upwards. The two ends of the diagonal braces 4 are respectively hinged to the vertical support rod 2 and the sealing plate 3.

[0046] The top of the vertical support rod two 2 is provided with a support plate 24, and the support plate 24 is suitable for mounting the blocking plate 3, and the back of the blocking plate 3 is provided with a reinforced inner grid.

[0047] The bottom of the vertical support rod one 1 is provided with an anchor plate 11, and the anchor plate 11 is provided with an anchor bolt 12, and the vertical support rod one 1 and the vertical support rod two 2 are provided with corresponding socket holes, and the vertical support rod one 1 and the vertical support rod two 2 are provided with corresponding socket holes.

[0048] The vertical support rod one 1 of the two groups of support assemblies is provided with a dead-locked rotating scissor support 13, and the two sides of the dead-locked rotating scissor support 13 are provided with plug plates 14, and the plug plates 14 are suitable for being mounted on the corresponding vertical support rod one 1.

[0049] An implementation method of a post-cast strip independent support system, comprising the following steps:

[0050] Step 1, when the bottom plate steel bar is constructed, the position of the upper layer plate post-cast strip is determined, the positions of the anchor bolts 12 are accurately positioned, the anchor bolts 12 are wrapped before construction, the rust-proof treatment is performed, and then the concrete is poured to pre-bury the anchor bolts 12;

[0051] Step 2, before the upper layer top plate is supported and molded, the early work of the independent support system is completed, the anchor plate 11 is welded, whether the vertical support rod one 1 and the vertical support rod two 2 can be effectively inserted is checked, the layer height is determined according to the drawing requirement, and the plug pin 10 is inserted and fixed;

[0052] Step 3, in the process of installing the wooden formwork scaffold, the blocking plate 3 and the wooden formwork are effectively assembled and fixed according to the pre-reserved connecting groove, after the vertical support rod one 1 and the vertical support rod two 2 are effectively inserted and erected, the support plate 24 welded between the blocking plate 3 and the vertical support rod two 2 is tightened by the bolt;

[0053] Step 4, the operation personnel fix and connect the blocking plate 3 through the oblique support rod 4 prepared in advance, and strengthen the overall stability;

[0054] Step 5, the operation personnel connect another blocking plate 3 through another oblique support rod 4 at the position of the post-cast strip opposite to the support node, the lower end bolt is connected to the plug pin 10 pre-welded on the vertical support rod two 2, and the bolt at the same end is also not tightened, after the blocking plate 3 is tightly spliced with the blocking plate 3 which has been supported and the blocking plate 3 is locked by the mortise and tenon spring buckle, the bolts at both ends are finally tightened;

[0055] Step 6, the post-cast strip opposite to the independent support device is also installed according to steps 1-5;

[0056] Step 7, after all the independent support is installed, the dead shear support is installed, the four end flat head of the shear support is inserted into the two end vertical support rod 1, and the pin shaft welded on the inserted plate 14 is tightened with bolts and the verticality of the independent support is checked. It should be 90 degrees vertical. If the square steel tube is inclined due to the shear support force, please loosen the bolt in time, adjust to the best position and tighten it;

[0057] Step 8, the joint between the sealing plate 3 and the wood form is connected effectively by using angle code and self-tapping bolt. If the joint gap is too large due to the process problem of the wood form, rubber strip or plastic tape is used for caulking.

[0058] Step 9, the anchor plate 11 at the bottom of the vertical support rod 1 has been connected to the pre-buried anchor bolt 12 at this time, and the worker tightens the nut, and then the anchor plate 11 is wrapped with fine stone concrete 220*220*15.

[0059] Step 10, after the whole support system is set up, self-checking is qualified and acceptance, the verticality of the square steel tube, the effectiveness of the bolt, whether the bolt is loose, whether the joint of the sealing plate 3 is tight, whether the joint of the sealing plate 3 and the wood form is treated, whether the gap is effectively sealed, and the effective connection of the independent support system shear support.

[0060] Step 11, after the step of acceptance is qualified, the reinforcement is bound and checked, and then the concrete can be poured. During the pouring process, the up and down laser vertical instrument can be installed on the vertical support rod of the independent support system, and a special person is arranged to patrol. If necessary, two horizontal pull rods are installed at the horizontal center line position of each independent support square steel tube to ensure that the column does not deviate during the pouring of concrete.

[0061] Step 12, after the concrete reaches the strength, the internal support scaffold and the wood form are removed. The independent support system has no connection with other systems during the removal of other systems. The worker removes the angle code connected between the sealing plate 3 and the wood form, and then removes the wood form at the other end with a crowbar.

[0062] Step 13, after the post-pouring belt is poured and the concrete reaches a certain strength, the independent support system is removed. First, the shear support is removed, then the two inclined support rods 4 of the vertical support rod 2 are removed, the inserted pin 10 is pulled out, the vertical support rod 2 is slowly lowered, the anchor plate 11 wrapped below is broken, and then the anchor plate 11 is cleaned and removed. The nut on the anchor bolt 12 is removed and stored in the warehouse for subsequent project use.

[0063] Step 14, the head of the anchor bolt 12 is cut off with a cutting machine and is subjected to corrosion protection. Thus, the installation and removal of the system are completed.

[0064] Example 2

[0065] As Figures 4 to 6 shown, a post-pouring strip independent support system, comprising two groups of support assemblies, each of which comprises vertical support rod one 1 and vertical support rod two 2, vertical support rod one 1 and vertical support rod two 2 are vertically adjustable, and the top of vertical support rod two 2 is provided with a blocking plate 3, which is suitable for supporting the bottom of the post-pouring strip area, the two groups of blocking plates 3 are arranged in interlocking manner, two inclined struts 4 are arranged on both sides of vertical support rod two 2, which are suitable for supporting the blocking plate 3 upward, and the two ends of the inclined strut 4 are respectively hingedly arranged with vertical support rod two 2 and blocking plate 3.

[0066] The bottom of the vertical support rod one 1 is provided with an anchor plate 11, and the anchor plate 11 is provided with an anchor bolt 12, and the vertical support rod one 1 and the vertical support rod two 2 are provided with a socket hole, and the vertical support rod one 1 and the vertical support rod two 2 are provided with a socket hole.

[0067] The vertical support rod one 1 of the two groups of support assemblies is provided with a dead-locked rotating scissors support 13, and the two sides of the dead-locked rotating scissors support 13 are provided with an insertion plate 14, which is suitable for being installed on the corresponding vertical support rod one 1.

[0068] The two blocking plates 3 located at the bottom of the post-pouring strip are provided with a socket groove 321 and a socket body 322, the socket groove 321 on one of the blocking plates 3 is matched with the socket body 322 on the other blocking plate 3, and the two socket bodies 322 are arranged in staggered manner, the socket body 322 is arranged to slide horizontally relative to the blocking plate 3, a driving rod 7 is movably arranged on the socket body 322, the length of the driving rod 7 is adjustable, the two ends of the driving rod 7 are provided with a hook body 71, one of the hook bodies 71 is suitable for hooking with the socket body 322, and the other hook body 71 is connected with the inclined strut 4 on the corresponding blocking plate 3.

[0069] An implementation method of a post-pouring strip independent support system, comprising the following steps:

[0070] Step 1, when the bottom plate steel bar is constructed, the position of the post-pouring strip of the upper layer plate is determined, the positions of the anchor bolts 12 are accurately positioned, the anchor bolts 12 are wrapped before construction, the rust-proof treatment is performed, and then the concrete is poured to embed the anchor bolts 12;

[0071] Step 2, before the upper layer top plate is supported, the preliminary work of the independent support system is completed, the anchor plate 11 is welded, it is checked whether the vertical support rod one 1 and the vertical support rod two 2 can be effectively inserted, the layer height is determined according to the drawing requirement, and the plug pin 10 is inserted and fixed;

[0072] Step 3, during the installation process of the wooden template scaffold, the blocking plate 3 is effectively assembled and fixed with the wooden template according to the pre-prepared joint groove, the vertical support rod one 1 and the vertical support rod two 2 are effectively inserted and erected, the support plate 24 welded with the vertical support rod two 2 of the blocking plate 3 is tightly screwed by bolts, and the workers fix and connect the blocking plate 3 with the oblique support rod 4 prepared in advance to strengthen the overall stability;

[0073] Step 4, the support assembly of the independent support device post-poured strip to the opposite side is also installed according to step 3, the top hook body 71 of the driving rod 7 is connected with the inserted body 322, the bottom hook body 71 is hooked with the corresponding oblique support rod 4, and the length of the driving rod 7 is adjusted. The two ends of the driving rod 7 are threaded sleeve structures, and the middle part is a screw rod structure with opposite screw directions. After adjusting the distance between the two threaded sleeve structures through the screw rod structure, the inserted body 322 and the inserted groove 321 are adapted until the threaded structure cannot continue to shorten the distance between the threaded sleeve structures, and the inserted body 322 and the inserted groove 321 are adapted. The two driving rods 7 are cross arranged;

[0074] Step 5, after all the independent supports are installed, the dead shear support can be installed. The flat head plug plate 14 at the four ends of the shear support is inserted into the two end vertical support rod one 1, and the pin shaft welded on the plug plate 14 is tightened with bolts and the perpendicularity of the independent support is checked. It should be 90 degrees vertical. If the square steel pipe is inclined due to the shear support force, please loosen the bolt in time, adjust to the best position and tighten;

[0075] Step 6, the intersection of the blocking plate 3 and the wooden template is effectively connected by using angle code and self-tapping bolt. If the joint gap is too large due to the process problem of the wooden template, rubber strip or plastic adhesive tape is used for caulking;

[0076] Step 7, the anchor plate 11 at the bottom of the vertical support rod one 1 has been connected to the pre-buried anchor bolt 12 at this time, and the worker tightens the nut, and then wraps the anchor plate 11 with fine stone concrete with a size of 220*220*15;

[0077] Step 8, after the whole support system is completed, self-checking is qualified and acceptance, the perpendicularity of the square steel pipe, the effectiveness of the bolt, whether the bolt is loose, whether the blocking plate 3 is tightly jointed, whether the blocking plate 3 and the wooden template are treated with jointing, whether the gap is effectively blocked, and the effective connection of the independent support system shear support are checked;

[0078] Step 9, after the above step is qualified, the steel bar is bound and checked, and then the concrete can be poured. During the pouring process, the upper and lower laser vertical instruments can be installed on the vertical support rod of the independent support system, and a special person is arranged to patrol. If necessary, two horizontal pull rods are installed at the horizontal center line position of each independent support square steel pipe to ensure that the column does not deviate during the pouring of the concrete, which causes the column to lose stability;

[0079] Step 10: After the concrete reaches its strength, remove the internal support scaffolding and wooden formwork. Its independent support system is completely disconnected from other systems when dismantling them. After the workers remove the corner brackets connecting the sealing plate 3 to the wooden formwork, they gently remove it from the other end of the wooden formwork using a pry bar.

[0080] Step 11: After the post-pouring strip is poured and the concrete reaches a certain strength, remove the independent support system. First, remove the scissor support and pull out the fixing pin 10. At the same time, slowly remove the lower vertical support rod 2. Then, remove the drive rod 7 and the two diagonal braces 4 of the vertical support rod 2 in sequence. Immediately after removing the drive rod 7, reset the socket body 322, remove the anchor plate 11 wrapped below, clean it, and then remove the nuts on the anchor bolts 12 and put it back in the warehouse for use in subsequent projects.

[0081] Step 12: After cutting off the 12 anchor bolts with a cutting machine, perform anti-corrosion treatment. This completes the installation and dismantling of the system.

[0082] Example 3 is an improvement on Example 2, as follows: Figures 7 to 9 As shown, when constructing the top support for ultra-large spans or ultra-thick post-pouring strips, a top support component is also added. The two splices of the top support plate are supported by the U-shaped structure at the top of the main body. At the same time, the position of the socket body can be limited by the socket plug to further ensure the top support effect.

[0083] The drive rod 7 supports a top support assembly, which includes a length-adjustable main body 8. The top of the main body 8 is adapted to fix the socket 322 after it is adapted to the socket 321. A foot support rod 9 is hinged on the main body 8, and the bottom of the foot support rod 9 is adjustablely mounted on the drive rod 7.

[0084] The top of the main body 8 is a U-shaped structure 81, and several socket plugs 82 suitable for inserting and fixing the socket body 322 are arranged on the outside of the U-shaped structure 81. The U-shaped structure 81 is suitable for supporting the splice joint of the two sealing plates 3.

[0085] A method for implementing a post-cast strip independent support system includes the following steps:

[0086] Step 1: When constructing the bottom slab reinforcement, determine the position of the upper slab post-pouring strip, accurately locate the position of each anchor bolt 12, wrap the threads of the anchor bolt 12 before construction, perform anti-rust treatment, and then pour concrete to embed the anchor bolt 12.

[0087] Step 2: Before setting up the formwork for the upper top slab, complete the preliminary work for the independent support system, weld the anchor plate 11, check whether the vertical support rod 1 and the vertical support rod 2 can be effectively inserted, determine the floor height according to the drawing requirements, and insert the pin 10 for fixation.

[0088] Step 3, during the installation process of the wooden template scaffold, the blocking plate 3 is effectively assembled and fixed with the wooden template according to the pre-reserved joint groove, the vertical support rod one 1 and the vertical support rod two 2 are effectively inserted and erected, the support plate 24 welded with the vertical support rod two 2 of the blocking plate 3 is tightly screwed by bolts, and the workers fix and connect the blocking plate 3 with the oblique support rod 4 prepared in advance to strengthen the overall stability;

[0089] Step 4, the support assembly of the independent support device for the opposite side of the post-poured strip is also installed according to step 3, the two groups of driving rods 7 are cross-laid, the main body 8 is erected above the two groups of driving rods 7, the main body 8 is vertically fixed to the upper area of the two groups of driving rods 7 by the foot support rod 9, the bottom of the foot support rod 9 is connected and fixed with the threaded sleeve structure of the driving rod 7 by the connecting plate and the self-tapping screw, the top of the foot support rod 9 and the side of the main body 8 are hingedly laid, the top hook body 71 and the inserted body 322 are connected, the bottom hook body 71 and the corresponding threaded sleeve 41 are hooked, the length of the driving rod 7 is adjusted, the two ends of the driving rod 7 are threaded sleeve structures, the middle part is a screw structure with opposite screw threads, the distance between the two threaded sleeve structures is adjusted by the screw structure, until the threaded sleeve structure cannot be shortened, the inserted body 322 and the inserted groove 321 are adapted, during the adaptation process of the inserted body 322 and the inserted groove 321, the U-shaped structure 81 is suitable for upward movement and supports the joint seam of the two blocking plates 3, at the same time, the inserted head 82 is automatically inserted and fixed in the inserted body 322 along the length direction of the inserted body 322, the transverse movement of the inserted body 322 is limited, before adjusting the length of the driving rod 7, it is necessary to ensure that the projection of the inserted head 82 and the corresponding inserted body 322 on the horizontal plane coincides;

[0090] Step 5, after all the independent supports are installed, the dead shear support is installed, the flat head plug plate 14 at the four ends of the shear support is inserted into the two end vertical support rod one 1, and the pin shaft welded on the plug plate 14 is tightened with a bolt and the verticality of the independent support is checked, which should be 90 degrees vertical, if the square steel pipe is inclined due to the shear support force, please loosen the bolt in time, adjust to the best position and tighten;

[0091] Step 6, the side of the blocking plate 3 away from the post-poured strip is connected with the wooden template at the joint, if the joint gap is too large due to the process problem of the wooden template, rubber strips or plastic adhesive tape are used for caulking;

[0092] Step 7, the anchor plate 11 at the bottom of the vertical support rod one 1 has been connected to the pre-buried anchor bolt 12 at this time, the worker tightens the nut, and then wraps the anchor plate 11 with fine stone concrete with a size of 220*220*15;

[0093] Step 8, after the whole support system is set up, self-inspection is qualified and reported for acceptance, the verticality of the steel pipe, the effectiveness of the bolt 10, whether the bolt is loose, whether the splicing between the blocking plates 3 is tight, whether the blocking plates 3 and the wood formwork are treated with jointing, whether the gap is effectively blocked, and the effective connection of the scissors support of the independent support system are checked;

[0094] Step 9, after the above step is accepted, the reinforcement is bound and accepted, and then the concrete can be poured, during the pouring process, the up and down laser vertical instrument can be installed on the vertical support rod of the independent support system, and a special person is arranged to patrol, and if necessary, two horizontal pull rods are installed at the horizontal center line position of the square steel pipe of each independent support, to ensure that the column is offset during the pouring of the concrete, so that it loses stability;

[0095] Step 10, after the concrete reaches the strength, the internal support scaffold and the wood formwork are removed, the independent support system is used, and when other systems are removed, there is no any connection with the independent system, after the corner code connected with the wood formwork of the blocking plate 3 is removed, the wood formwork is removed at the other end by using a crowbar;

[0096] Step 11, after the post-pouring belt is poured and the concrete reaches a certain strength, the independent support system is removed, the scissors support is removed first, the fixed plug-in pin 10 is pulled out, the vertical support rod two 2 is slowly lowered, the two inclined support rods 4 of the main body 8, the driving rod 7 and the vertical support rod two 2 are removed, the first time reset is reset after the driving rod 7 is removed, the anchor plate 11 wrapped below is broken, and after cleaning, the nut on the anchor bolt 12 is removed and put back to the warehouse for subsequent project use, when the main body 8 and the driving rod 7 are removed, the plug-in head 82 needs to be moved out of the plug-in body 322 and the length of the driving rod 7 is adjusted to gradually lengthen, so as to drive the plug-in body 322 to move out of the plug-in groove 321;

[0097] Step 12, after the head of the anchor bolt 12 is cut off by the cutting machine, the corrosion prevention treatment is carried out, and the system is completed.

[0098] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. The replacement can be a partial structure, device, method step replacement, or a complete technical solution. According to the technical solution and the inventive concept of the present application, equivalent replacement or change should be covered in the protection scope of the present application.

Claims

1. A post-cast strip independent support system, characterized in that, Two groups of support assemblies are arranged, each of which comprises vertical support rod one (1) and vertical support rod two (2), vertical support rod one (1) and vertical support rod two (2) are vertically adjustable, and the top of vertical support rod two (2) is provided with a blocking plate (3), the blocking plate (3) is suitable for supporting the bottom of the post-cast strip area, the two blocking plates (3) are arranged in a spliced manner, and two inclined support rods (4) are arranged on the two sides of vertical support rod two (2), the inclined support rods (4) are suitable for supporting the blocking plate (3) upward, and the two ends of the inclined support rods (4) are hingedly arranged with vertical support rod two (2) and the blocking plate (3) respectively; The two blocking plates (3) are arranged at the bottom of the post-cast strip, and the two blocking plates (3) are provided with a socket groove (321) and a socket body (322), the socket groove (321) of one of the blocking plates (3) is matched with the socket body (322) of the other blocking plate (3), the two socket bodies (322) are arranged in a staggered manner, the socket body (322) is arranged to slide horizontally relative to the blocking plate (3), a driving rod (7) is movably arranged on the socket body (322), the length of the driving rod (7) is adjustable, the two ends of the driving rod (7) are provided with hooks (71), one of the hooks (71) is suitable for being hooked with the socket body (322), and the other hook (71) is connected with the inclined support rod (4) on the corresponding blocking plate (3); The driving rod (7) is provided with a bracing assembly, the bracing assembly comprises a main body (8) with adjustable length, the top of the main body (8) is suitable for being fixed with the socket body (322) matched with the socket groove (321), and a foot support rod (9) is hingedly arranged on the main body (8), and the bottom of the foot support rod (9) is adjustably arranged on the driving rod (7); The top of the main body (8) is a U-shaped structure (81), and a plurality of socket heads (82) suitable for socket fixing the socket body (322) are arranged on the outer side of the U-shaped structure (81), and the U-shaped structure (81) is suitable for supporting the spliced joint of the two blocking plates (3).

2. The post-cast strip independent support system according to claim 1, wherein, The top of the vertical support rod two (2) is provided with a support plate (24), and the support plate (24) is suitable for mounting the blocking plate (3).

3. The post-cast strip independent support system according to claim 1, wherein, The bottom of the vertical support rod one (1) is provided with an anchor plate (11), and a foundation bolt (12) is arranged on the anchor plate (11), the vertical support rod one (1) and the vertical support rod two (2) are provided with socket holes, and the socket holes are provided with a latch (10).

4. The post-cast strip independent support system according to claim 1, wherein, The vertical support rod one (1) of the two groups of support assemblies is provided with a dead-locked rotating scissor support (13), and the two sides of the dead-locked rotating scissor support (13) are provided with plug-in plates (14), and the plug-in plates (14) are suitable for being arranged on the corresponding vertical support rod one (1).

5. The method for implementing the post-cast strip independent support system according to claim 3, characterized in that, The method comprises the following steps: Step 1, during the construction of the bottom plate steel bar, the position of the post-cast strip of the upper plate is determined, the positions of the foundation bolts (12) are accurately positioned, the threads of the foundation bolts (12) are covered before construction, rust-proof treatment is performed, and then the foundation bolts (12) are poured and embedded with concrete; Step 2, before the upper roof formwork is set, the independent support system is prepared, the anchor plate (11) is welded, and the vertical support rod one (1) and the vertical support rod two (2) are checked whether they can be effectively inserted. According to the drawing requirements, the height is determined, and the bolt (10) is inserted and fixed; Step 3, during the installation of the wooden formwork scaffold, the blocking plate (3) and the wooden formwork are effectively assembled and fixed according to the pre-prepared groove. After the vertical support rod one (1) and the vertical support rod two (2) are effectively inserted and erected, the blocking plate (3) and the support plate (24) welded with the vertical support rod two (2) are tightened by bolts; Step 4, the workers fix and connect the diagonal bracing (4) and the blocking plate (3) to strengthen the overall stability; Step 5, on the opposite side of the support node, the workers connect another set of blocking plate (3) with another diagonal bracing (4). The bolts are not tightened at once. The lower end of the bolt is connected with the bolt (10) welded in advance on the vertical support rod two (2). Similarly, the bolt is not tightened. After the blocking plate (3) is tightly connected with the already supported blocking plate (3) and locked by the mortise and tenon spring buckle, the two ends of the bolt are finally tightened; Step 6, the opposite side of the independent support device is installed according to steps 1-5; Step 7, after all the independent supports are installed, the scissor supports can be locked. The flat head plug plate (14) at the four ends of the scissor support is inserted into the two vertical support rod one (1), and the pin shaft welded on the plug plate (14) is tightened by bolt. The verticality of the independent support should be checked. It should be 90 degrees vertical. If the square steel tube is inclined due to the force of the scissor support, please loosen the bolt in time, adjust it to the best position and tighten it; Step 8, at the junction of the blocking plate (3) and the wooden formwork, the corner code and self-tapping bolt are used for effective connection. If the gap is too large after splicing due to the process problem of the wooden formwork, rubber strips or plastic adhesive tape are used for caulking; Step 9, the anchor plate (11) at the bottom of the vertical support rod one (1) has been connected to the pre-buried anchor bolt (12). The worker tightens the nut, and then wraps the anchor plate (11) with fine stone concrete 220*220*15; Step 10, after the whole support system is completed, self-checking is qualified for acceptance. The verticality of the square steel tube, the effectiveness of the bolt, whether the bolt is loose, whether the blocking plate (3) is tightly spliced, whether the blocking plate (3) and the wooden formwork are treated with jointing, whether the gap is effectively blocked, and the effective connection of the independent support system scissor brace are checked; Step 11, after the above steps are checked and accepted, the reinforcement can be bound and checked after the steel bar is bound and checked. During the pouring process, the upper and lower laser vertical instruments can be installed on the vertical support rod of the independent support system, and special personnel are assigned to patrol. Two horizontal pull rods are installed at the horizontal center line position of each independent support square steel tube to ensure that the column does not deviate during the pouring of concrete. Step 12, after the concrete reaches the strength, the inner support scaffold and the wood formwork are removed, the independent support system plays a role, when removing other systems, there is no any connection with the independent support system, after the workers remove the angle code connected with the wood formwork, the jemmy is used to gently remove the other end of the wood formwork; Step 13, after the post-pouring belt is poured and completed, the independent support system is removed after the concrete reaches a certain strength, the scissor support is removed first, then the two inclined support rods (4) of the vertical support rod two (2) are removed, the pin (10) for fixing is pulled out, the vertical support rod two (2) is slowly lowered, the anchor plate (11) wrapped below is broken, after being cleaned, the nut of the foundation bolt (12) is twisted off, and then the foundation bolt (12) is removed and stored in the warehouse for subsequent project use; Step 14, after the head of the foundation bolt (12) is cut off by a cutting machine, corrosion protection is performed, and thus the installation and removal of the system are completed.

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