Split type turnover overhanging type steel anchor ring device

Abstract

The utility model discloses a split type turnover overhanging profile steel anchor ring device, which belongs to the field of building structure construction and comprises overhanging profile steel, a plurality of split type anchor rings, a plurality of screw components, a plurality of fixed angle steels and a plurality of nuts a. A plurality of split anchor rings are mounted on the template; a structural plate is arranged on the template; each split type anchor ring comprises two anchor plates and two embedded suites; the anchor plate is placed on the template; each anchor plate is sleeved with an embedded sleeve piece. One end of each pre-embedded external member is fixedly connected to the template, and the other end of each pre-embedded external member extends out of the plate surface of the structural plate; each anchor plate is connected with one screw assembly; the overhanging profile steel is placed on the structural plate and located between the two screw assemblies corresponding to all the split type anchor rings; the multiple pieces of fixing angle steel are arranged on the two screw assemblies of one split type anchor ring in a sleeving mode in a one-to-one correspondence mode, locked through nuts a and pressed on the cantilever profile steel. The anchor ring does not need to be cut, so that the anchor ring device is convenient, fast, material-saving, labor-saving and reliable in quality.

Description

Technical Field

[0001] The utility model belongs to the field of building structure construction, and particularly relates to a split-type reusable cantilever steel anchor ring device. Background Art

[0002] During the building construction process, it is often necessary to set up a cantilever external scaffold. Generally, cantilever steel is used as the support point at the bottom of the cantilever external scaffold, and pre-embedded anchor rings are generally used to fix the cantilever steel to the floor structural slab. The traditional pre-embedded anchor ring is a one-time consumable and cannot be reused. Moreover, the part exposed outside the structural slab needs to be cut, resulting in a large waste of steel, as well as time and labor consumption. Content of the Utility Model

[0003] In view of this, the utility model provides a split-type reusable cantilever steel anchor ring device, which does not require cutting the anchor ring, making the anchor ring device convenient and fast, saving materials and labor, and having reliable quality.

[0004] The utility model is realized through the following technical solutions:

[0005] A split-type reusable cantilever steel anchor ring device includes: a cantilever steel, a plurality of split-type anchor rings, a plurality of screw rod assemblies, a plurality of fixing angle steels, and a plurality of nuts a;

[0006] A plurality of split-type anchor rings are installed on the formwork; the installation positions of the cantilever steel to be installed are marked on the formwork; a plurality of split-type anchor ring devices are arranged along the length direction of the cantilever steel to be installed; a structural slab is formed by pouring above the formwork;

[0007] Each split-type anchor ring includes: two anchor plates and two pre-embedded kits;

[0008] The two anchor plates are placed on the formwork, and the two anchor plates are arranged along the width direction of the cantilever steel to be installed; a threaded hole a penetrating through the anchor plate is machined at the center of each anchor plate; the axis of the threaded hole a is perpendicular to the plate surface of the formwork;

[0009] One pre-embedded kit is sleeved outside each anchor plate; one end of each pre-embedded kit is fixedly connected to the formwork, and the other end extends out of the plate surface of the structural slab;

[0010] One screw rod assembly is coaxially connected to the threaded hole a of each anchor plate of each split-type anchor ring;

[0011] The cantilever steel is placed on the plate surface of the structural slab; the cantilever steel is located between the two screw rod assemblies corresponding to all the split-type anchor rings;

[0012] A plurality of fixing angle steels are provided above the cantilever steel, and the plurality of fixing angle steels are correspondingly sleeved on the ends of the two screw rod assemblies of one split-type anchor ring, and are pressed above the cantilever steel through the threaded cooperation between the nut a and the screw rod assembly.

[0013] Furthermore, the anchor plate has a stepped structure that is narrower at the top and wider at the bottom; the cross-section of the outer side wall of the lower part of the stepped structure is non-circular;

[0014] The embedded kit includes: an anchor plate cover integrally formed by a cylinder and a stepped structure cover; the cylinder is located at the top of the stepped structure cover; a through hole a is processed at the top of the stepped structure cover, and the through hole a is coaxial with the cylinder; an edge is processed along the circumference at the bottom of the stepped structure cover; the edge of the anchor plate cover is fixedly connected to the template; the size and shape of the internal space of the stepped structure cover are the same as those of the stepped structure of the anchor plate; the stepped structure cover is sleeved on the stepped structure of the anchor plate, and the cylinder is coaxial with the threaded hole a of the anchor plate.

[0015] Furthermore, the embedded kit further includes: a plug cover;

[0016] During the pouring of the structural slab, the plug cover is installed at the other end of the anchor plate cover to prevent sundries from entering the anchor plate cover.

[0017] Furthermore, the screw rod assembly includes: a screw rod and a nut b;

[0018] External threads are processed at both ends of the screw rod, and the two external threads are respectively external thread a and external thread b; the external thread a is in threaded fit with the threaded hole a of the anchor plate; the nut b is installed on the screw rod by welding; the nut b is located at the bottom of the external thread b, and the height of the upper end face is lower than the upper end face of the cantilevered steel section.

[0019] The nut a is threadedly connected to the external thread b.

[0020] Furthermore, the anchor ring device further includes a plurality of gaskets;

[0021] A plurality of gaskets are sleeved on a plurality of screw rod assemblies one by one, and are located between the nut a and the fixed angle steel.

[0022] Furthermore, the embedded kit is made of plastic.

[0023] Furthermore, the screw rod is made of round steel.

[0024] Beneficial effects:

[0025] (1) A split - type reusable cantilever steel - anchored ring device of the present utility model includes a cantilever steel, a number of split - type anchor rings, a number of screw assemblies, a number of fixed angle steels, and a number of nuts a; the split - type anchor ring is divided into two parts, an anchor plate and a pre - embedded kit, that is, the anchor plate is pre - embedded in advance through the pre - embedded kit, and the screw can be installed later to form the anchor ring; this split - type anchor ring forms a detachable structure, which is convenient for material collection, processing, installation and disassembly, and is conducive to the recycling and reusable use of the anchor ring device in the later stage, saving materials (such as reducing the consumption of steel) and manpower.

[0026] (2) A split - type reusable cantilever steel - anchored ring device of the present utility model, the anchor plate is a stepped structure, and the cross - section of the outer side wall of the lower part of the stepped structure is non - circular. The size and shape of the internal space of the stepped structure cover of the pre - embedded kit are the same as those of the stepped structure of the anchor plate; when the screw structure is screwed into the anchor plate, the non - circular structure can prevent the anchor plate from rotating; the anchor plate and the anchor plate cover are in a stepped structure, which can ensure the screwing - in length of the screw. While increasing the connection strength between the screw and the anchor plate, it can provide sufficient space for the laying of steel bars before the casting of the structural slab, and ensure the thickness of the structural slab, thereby ensuring the anchoring effect of the anchor plate and preventing the structural slab above the anchor plate from being damaged due to the thinning of the thickness of the structural slab.

[0027] (3) A split - type reusable cantilever steel - anchored ring device of the present utility model. During the casting of the structural slab, the plug cover is installed at the other end of the anchor plate cover, which can prevent external sundries from entering the internal space of the anchor plate cover and avoid the sundries from affecting the installation of the screw assembly.

[0028] (4) A split - type reusable cantilever steel - anchored ring device of the present utility model, the gasket is located between the nut a and the fixed angle steel, making the contact between the nut a and the fixed angle steel tight, thereby improving the pressing effect on the fixed angle steel.

[0029] (5) A split - type reusable cantilever steel - anchored ring device of the present utility model, the pre - embedded kit is made of plastic. After use, the pre - embedded kit can remain in the structural slab. If the height of the pre - embedded kit protruding from the structural slab is less than 20 mm, no cutting is required; even if cutting is needed, the plastic - made pre - embedded kit is easy to cut, which can greatly reduce the cutting workload, improve the construction efficiency, save manpower, shorten the construction period, and solve the problem of time - consuming and laborious cutting of the currently exposed pre - embedded devices.

[0030] (6) A split - type reusable cantilever steel - anchored ring device of the present utility model, the screw is made of round steel, which can ensure the reliable quality of the anchor ring device. Description of the Drawings

[0031] Figure 1 is the front view of the present utility model;

[0032] Figure 2 It is the side view of the present utility model;

[0033] Figure 3 It is the top view of the threaded anchor plate of the present utility model;

[0034] Figure 4 It is the sectional view of the threaded anchor plate of the present utility model;

[0035] Figure 5 It is the top view of the embedded kit of the present utility model;

[0036] Figure 6 It is the sectional view of the embedded kit of the present utility model;

[0037] Figure 7 It is the schematic structural diagram of the screw rod of the present utility model;

[0038] Figure 8 It is the top view of the fixed angle steel of the present utility model;

[0039] Figure 9 It is the sectional view A (front) of the fixed angle steel of the present utility model;

[0040] Figure 10 It is the sectional view B (side) of the fixed angle steel of the present utility model;

[0041] Among them, 1 - anchor plate, 1.1 - threaded hole a, 2 - embedded kit, 2.1 - anchor plate cover, 2.2 - plug, 2.3 - installation hole, 3 - fixing nail, 4 - screw rod assembly, 4.1 - screw rod, 4.1.1 - external thread a, 4.1.2 - external thread b, 4.2 - nut b, 5 - gasket, 6 - nut a, 7 - fixed angle steel, 7.1 - through hole b, 8 - cantilever steel, 9 - structural plate, 10 - formwork. Specific embodiments

[0042] The following combines the accompanying drawings and gives embodiments to describe the present utility model in detail.

[0043] This embodiment provides a split - type reusable cantilever steel anchor ring device, as Figure 1 shown, including: cantilever steel 8, several split - type anchor rings, several screw rod assemblies 4, several gaskets 5, several fixed angle steels 7 and several nuts a 6;

[0044] All the split - type anchor rings are installed on the formwork 10; the installation positions of the cantilever steel 8 to be installed are marked on the formwork 10; several split - type anchor rings are arranged along the length direction of the cantilever steel 8 to be installed; all the split - type anchor rings are linearly distributed; the formwork 10 is the structural plate for pouring the floor where the cantilever steel is installed; let this structural plate be structural plate 9;

[0045] The structural slab 9 is arranged above the formwork 10 by pouring. A part of several split anchor rings is embedded in the structural slab 9, and the other part of several split anchor rings extends out of the plate surface of the structural slab 9.

[0046] As Figure 1 and Figure 2 shown, each of the split anchor rings includes: two anchor plates 1, two embedded kits 2 and several fixing nails 3.

[0047] The two anchor plates 1 are placed on the formwork 10, and the two anchor plates 1 are arranged along the width direction of the cantilever steel section 8 to be installed. As Figure 3 and Figure 4 shown, the anchor plate 1 has a stepped structure with a narrower upper part and a wider lower part; the cross-section of the outer side wall of the lower part of the stepped structure is non-circular; a threaded hole a1.1 penetrating the anchor plate 1 is machined on the anchor plate 1; the axis of the threaded hole a1.1 is perpendicular to the plate surface of the formwork 10. In this embodiment, the anchor plate 1 is made of steel.

[0048] An embedded kit 2 is sleeved outside each anchor plate 1. As Figure 5 and Figure 6 shown, the embedded kit 2 includes: an anchor plate cover 2.1 and a plug 2.2; the anchor plate cover 2.1 is integrally formed by a cylinder and a stepped structure cover, and the cylinder is located at the top of the stepped structure cover; a through hole a is machined at the top of the stepped structure cover, and the through hole a is coaxial with the cylinder; an edge is machined along the circumference at the bottom of the stepped structure cover; several mounting holes 2.3 are machined on the edge; one end of the cylinder is fixedly connected to the stepped structure cover, the cylinder is coaxial with the through hole a, and the inner diameter of the cylinder is the same as the diameter of the through hole a; the internal space size and shape of the stepped structure cover are the same as those of the stepped structure of the anchor plate 1, the stepped structure cover is sleeved on the stepped structure of the anchor plate 1, and the cylinder is coaxial with the threaded hole a1.1 of the anchor plate 1; the inner diameter of the cylinder and the diameter of the through hole a are both greater than or equal to the diameter of the threaded hole a1.1; when pouring the structural slab 9, the plug 2.2 is installed at the other end of the cylinder of the anchor plate cover 2.1 to prevent sundries from entering the internal space of the anchor plate cover 2.1 and avoid sundries affecting the normal use of the anchor ring device; the other end of the cylinder extends out of the plate surface of the structural slab 9. In this embodiment, the embedded kit 2 (i.e., the anchor plate cover 2.1 and the plug 2.2) is made of plastic; the embedded kit 2 is used to isolate the concrete from the anchor plate 1; the anchor plate 1 and the anchor plate cover 2.1 have a stepped structure, which can ensure the screwing-in length of the screw rod 4.1, increase the connection strength between the screw rod 4.1 and the anchor plate 1, provide sufficient space for the laying of steel bars before pouring the structural slab 9, and ensure the thickness of the structural slab 9, thereby ensuring the anchoring effect of the anchor plate 1 and improving the anti-pulling effect of the anchor plate 1.

[0049] AsFigure 1 and Figure 2 As shown, the fixing nail 3 passes through the mounting hole 2.3 on the embedded kit 2 and is installed on the formwork 10, fixing the embedded kit 2 and the anchor plate 1 on the formwork 10;

[0050] One screw component 4 is coaxially connected to each threaded hole a1.1 of each anchor plate 1 of each split anchor ring; the screw component 4 passes through the cylinders of two embedded kits 2 and is connected to the anchor plate 1; as Figure 7 shown, each screw component 4 includes: a screw 4.1 and a nut b4.2; external threads are machined at both ends of the screw 4.1, and the two external threads are respectively external thread a4.1.1 and external thread b4.1.2; the external thread a4.1.1 is in threaded fit with the threaded hole a1.1 of the anchor plate 1; the nut b4.2 is installed on the screw 4.1 by welding; the nut b4.2 is located at the bottom of the external thread b4.1.2; the nut b4.2 is used to tighten the screw 4.1 in the threaded hole a1.1; in this embodiment, the screw 4.1 is made of round steel; the embedded kit 2 is also used to isolate the concrete from the screw 4.1;

[0051] The cantilever steel beam 8 is placed on the surface of the structural slab 9; the cantilever steel beam 8 is located between two screw components 4 corresponding to all split anchor rings; in this embodiment, the cantilever steel beam 8 is made of I-beam No. 16 or No. 18; when the screw component 4 is installed, the height of the upper end face of the nut b4.2 is lower than the upper end face of the cantilever steel beam 8;

[0052] A plurality of fixed angle steels 7 are provided above the cantilever steel beam 8; a plurality of the fixed angle steels 7 are sleeved on the ends of two screw components 4 of one split anchor ring in one-to-one correspondence; as Figures 8 to 10 shown, two through holes b7.1 are machined on the fixed angle steel 7; two through holes b7.1 of each fixed angle steel 7; the distance between the two through holes b7.1 is the same as the distance between the two screws 4.1; the two through holes b7.1 of the fixed angle steel 7 pass through the two screws 4.1 in one-to-one correspondence; the two screws 4.1 can freely penetrate into the two through holes b7.1; in this embodiment, the fixed angle steel 7 is made of angle steel L63×6; the fixed angle steel 7 is pressed above the cantilever steel beam 8 through the threaded fit of the nut a6 and the screw component 4;

[0053] A plurality of the gaskets 5 are sleeved on a plurality of screws 4.1 in one-to-one correspondence; the gaskets 5 are located between the nut a6 and the fixed angle steel 7; the gaskets 5 can make the contact between the nut a6 and the fixed angle steel 7 closer, thereby improving the pressing effect of the fixed angle steel 7.

[0054] Usage method:

[0055] The anchor ring device in this embodiment is installed through the following steps:

[0056] Step 1: Process or purchase each component according to the requirements of the drawing;

[0057] Step 2: Screw the nut 4.2 onto the screw rod 4.1 until it reaches the bottom of the thread of the screw rod 4.1; weld the nut 4.2 onto the screw rod 4.1 to form the screw rod assembly 4;

[0058] Step 3: Install the formwork 10, mark the position of the cantilevered profiled steel 8 on the surface of the formwork 10 according to the layout drawing of the cantilevered profiled steel 8, and mark the position of the anchor plate 1 on the surface of the formwork 10 according to the position of the cantilevered profiled steel 8;

[0059] Step 4: First place the anchor plate 1 at the marked position, then put the embedded kit 2 on the anchor plate 1, and fix the embedded kit 2 on the formwork 10 with the fixing nail 3; plug the plug 2.2 into the port of the embedded kit 2;

[0060] Step 5: Bind the steel bars of the structural slab 9 and pour the concrete;

[0061] Step 6: After the concrete reaches the required strength, pull out the plug 2.2;

[0062] Step 7: Insert one end of the screw rod 4.1 into the cylinder of the embedded kit 2 and tighten it in the threaded hole a1.1 of the anchor plate 1;

[0063] Step 8: Place the cantilevered profiled steel 8 on the structural slab 9 (the cantilevered profiled steel 8 is located between two screw rods 4.1);

[0064] Step 9: Install each fixing angle steel 7 on the two screw rods 4.1 of the corresponding split anchor ring, press it above the cantilevered profiled steel 8, and lock and fix it with the nut a6;

[0065] Step 10: Put the gasket 5 and the nut a6 on the screw rod 4.1 and tighten the nut a6 to complete the fixation of the cantilevered profiled steel 8.

[0066] The anchor ring device in this embodiment is removed through the following steps:

[0067] Step 1: Unscrew the nut a6 of each split anchor ring, take out the gasket 5, and then take out the fixing angle steel 7;

[0068] Step 2: Take out the cantilevered profiled steel 8, and lower the cantilevered profiled steel 8 to the ground by the tower crane;

[0069] Step 3: Unscrew the screw rod 4.1 with a wrench, take out the anchor plate 1; clean the taken-out screw rod 4.1 and anchor plate 1 for reuse;

[0070] Step 4: Cut and remove the part of the embedded kit 2 that exposes the structural board 9 (the part of the embedded kit 2 buried in the structural board 9 is not removed), then press mortar into the embedded kit 2 and level it.

[0071] In summary, the above is only the preferred embodiment of the present utility model and is not intended to limit the protection scope of the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A split type revolvable cantilever steel anchor ring device, characterized in that: include: Cantilever steel, several split anchor rings, several screw rod assemblies, several fixed angle steels and several nuts a; Several split anchor rings are installed on the template; the template is marked with the installation position of the cantilever steel to be installed; several split anchor ring devices are arranged along the length direction of the cantilever steel to be installed; The top of the formwork is poured to form a structural slab; Each split anchor ring includes: two anchor plates and two pre-embedded kits; Two anchor plates are placed on the template, and the two anchor plates are arranged along the width direction of the cantilever steel to be installed; a threaded hole a penetrating the anchor plate is processed at the center of each anchor plate; the axis of the threaded hole a is perpendicular to the plate surface of the template; Each anchor plate is provided with an embedded kit on its exterior; one end of each embedded kit is fixedly connected to the formwork, and the other end extends out of the plate surface of the structural plate; A screw rod assembly is coaxially connected to the threaded hole a of each anchor plate of each split anchor ring; The cantilever steel is placed on the plate surface of the structural plate; the cantilever steel is located between the two screw rod assemblies corresponding to all the split anchor rings; A plurality of fixed angle steels are arranged above the cantilevered steel section, and the plurality of fixed angle steels are correspondingly mounted on the ends of two screw rod assemblies of a split anchor ring, and are pressed against the top of the cantilevered steel section by cooperating with the threads of the screw rod assemblies through nuts a.

2. A split type rotatable cantilever steel anchor ring device as claimed in claim 1, characterized in that: The anchor plate is a stepped structure that is narrow at the top and wide at the bottom; the cross section of the outer side wall of the lower part of the stepped structure is non-circular; The embedded kit includes: an anchor plate cover integrally formed by a cylinder and a stepped structure cover; the cylinder is located at the top of the stepped structure cover; a through hole a is processed on the top of the stepped structure cover, and the through hole a is coaxial with the cylinder; the bottom of the stepped structure cover is processed with an edge along its circumference; the edge of the anchor plate cover is fixedly connected to the template; the size and shape of the internal space of the stepped structure cover are consistent with the stepped structure of the anchor plate; the stepped structure cover is mounted on the stepped structure of the anchor plate, and the cylinder is coaxial with the threaded hole a of the anchor plate.

3. A split type rotatable cantilever steel anchor ring device as claimed in claim 2, characterized in that: The pre-embedded kit further comprises: a plugging cover; When the structural plate is cast, the plugging cover is installed at the other end of the anchor plate cover to prevent debris from entering the anchor plate cover.

4. A split type rotatable cantilever steel anchor ring device as claimed in claim 1, characterized in that: The screw assembly comprises: a screw and a nut b; Both ends of the screw are processed with external threads, and the two external threads are external thread a and external thread b respectively; the external thread a is threadedly matched with the threaded hole a of the anchor plate; the nut b is installed on the screw by welding; the nut b is located at the bottom of the external thread b, and the height of the upper end face is lower than the upper end face of the cantilever steel; The nut a is threadedly connected to the external thread b.

5. A split type rotatable cantilever steel anchor ring device as claimed in claim 1, characterized in that: The anchor ring device also includes a plurality of gaskets; A plurality of washers are sleeved on a plurality of screw rod assemblies in a one-to-one correspondence and are located between the nut a and the fixed angle steel.

6. A split-type rotatable cantilever steel anchor ring device as claimed in any one of claims 1 to 5, characterized in that: The pre-embedded kit is made of plastic.

7. A split type rotatable cantilever steel anchor ring device as claimed in claim 4, characterized in that: The screw rod is made of round steel.

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