Installation method of pre-buried fixed support point and adjustable horizontal air duct earthquake-resistant bracket

Abstract

The invention discloses an installation method of a pre-buried fixed support point and an adjustable horizontal air duct anti-seismic support, which belongs to the field of comprehensive pipeline construction. The method comprises the steps of laying out a line for positioning, and pre-buried a plastic water-stop sleeve and an expansion bolt in a concrete structural plate; after the air duct is erected to an installation height, the upper C-shaped steel of the air duct is installed, and a heat-insulating material is embedded in the open end of the C-shaped steel of the upper part of the air duct; two groups of nuts and washers for fastening screw rods are screwed to the lower horizontal end of the C-shaped steel of the upper part of the air duct and tightened; the lower end of an anti-seismic hinge A is connected to the upper end of the longitudinal anti-seismic C-shaped steel by a rotor nut, and the upper end of the anti-seismic hinge A is connected to the screw of the pre-buried expansion bolt by a nut; the rotor nuts are respectively installed on the lower end of the lateral anti-seismic C-shaped steel and the upper end of the longitudinal anti-seismic C-shaped steel, and the anti-seismic hinge B and the anti-seismic hinge A are firmly connected to the lower end of the longitudinal anti-seismic C-shaped steel by nuts; the invention reduces the damage to the original structural plate surface, ensures the overall appearance, and reduces the potential safety hazards in construction.

Description

Technical Field

[0001] The invention belongs to the field of comprehensive pipeline construction, and specifically relates to an installation method of a pre-buried fixed support point and an adjustable horizontal air duct anti-seismic support. Background Art

[0002] As we all know, earthquake-resistant fortification projects have extremely high requirements for the seismic resistance of integrated pipelines. During the earthquake-resistant construction of integrated pipelines, in order to ensure the effective connection between the bracket and the main structure, the conventional practice is to perform post-excavation processing at the fixed points of the bracket, which will not only damage the original structural board surface, further affecting the overall appearance, but also increase the safety hazards of construction by drilling holes at an upward angle; in addition, the direct rigid contact surface between the C-shaped steel fixing the air duct and the air duct will impact and damage the pipe wall when the air duct is disturbed, and the level is not easy to control during the construction of conventional integrated pipelines, which in turn affects the aesthetics of the integrated pipeline construction and weakens the functionality of the engineering earthquake-resistant integrated pipeline project. Summary of the invention

[0003] In order to solve the above technical problems, the inventors have obtained the technical solution of the present invention through practice and summary. The present invention discloses a method for installing a pre-buried fixed support point and an adjustable horizontal air duct seismic support, which includes the following steps: Step 1: In the early stage of structural construction, the BIM technology is used to simulate the comprehensive pipeline layout, and the air duct pipeline layout is optimized in advance. During the construction of the structural plate template, the fixed points of the seismic support are accurately laid out and positioned as required, and plastic water stop rings and expansion bolts are pre-buried in the concrete structural plate;

[0004] After the template and plastic water-stop ring of the concrete structure slab are chiseled out, first tighten the exposed part of the expansion bolt screw with nuts and washers, and then screw the hexagonal extended screw connector into the screw;

[0005] Step 2: After the duct is erected to the installation height, start installing the C-shaped steel on the upper part of the duct, with the opening facing downward. The rubber composite insulation material is embedded in the open end of the C-shaped steel on the upper part of the duct. Insert the full-thread screw through the reserved holes at both ends of the C-shaped steel on the upper part of the duct, and then install two nuts on the full-thread screw at the upper end of the duct; tighten the upper nut and the hexagonal extended screw joint, and screw the lower nut to the upper cross arm of the C-shaped steel on the upper part of the duct and leave some space for standby use;

[0006] Screw another set of screw fastening nuts and washers to the lower horizontal end of the C-shaped steel on the upper part of the air duct and tighten them;

[0007] Then screw a set of nuts and washers for screw fastening onto the full-thread screw and make sure that they are not lower than the bottom elevation of the duct;

[0008] Step 3: Install the C-shaped steel at the bottom of the duct with the opening facing upward. Then screw a set of nuts and washers into the screws and tighten them to the bottom of the duct. Insert the level gauge into the bottom of the C-shaped steel at the bottom of the duct to control the installation level.

[0009] The rubber composite insulation material is embedded in the open end of the C-shaped steel at the lower part of the air duct, the rotor nut is installed in the lower end of the longitudinal earthquake-resistant C-shaped steel, and the upper end of the earthquake-resistant hinge B is firmly connected to the lower end of the longitudinal earthquake-resistant C-shaped steel with a nut;

[0010] Install the rotor nut on the upper end of the longitudinal seismic C-shaped steel, and use the nut to firmly connect the lower end of the seismic hinge A to the upper end of the longitudinal seismic C-shaped steel, use the nut to firmly connect the upper end of the seismic hinge A to the screw in the embedded expansion bolt in the concrete structure plate, and then use the open pressure plate to press the lower end of the seismic hinge B into the full-thread screw; the seismic hinge A and the seismic hinge B can be of the same shape.

[0011] Install the rotor nut on the lower end of the lateral seismic C-shaped steel, and firmly connect the upper end of the seismic hinge B to the lower end of the longitudinal seismic C-shaped steel with a nut;

[0012] Install the rotor nut in the upper end of the longitudinal seismic C-shaped steel, and use the nut to firmly connect the lower end of the seismic hinge A with the upper end of the longitudinal seismic C-shaped steel, and use the nut to firmly connect the upper end of the seismic hinge A with the screw in the embedded expansion bolt in the concrete structure slab, and then use the open pressure plate to press the lower end of the seismic hinge B into the full-thread screw;

[0013] At this time, tighten the nuts screwed to the upper cross arm of the C-shaped steel on the upper part of the duct;

[0014] Step 4: The upper C-shaped steel and the lower C-shaped steel of the duct are equipped with rotor nuts and anchor bolts. Use the duct fasteners to tighten the duct and tighten it with fastening bolts.

[0015] The level gauge embedded in the C-shaped steel at the bottom of the duct should be adjusted in time if it is unbalanced to make the duct in a horizontal state;

[0016] The manufactured vertical clamp is used to cover the full-thread screw on the upper part of the air duct, and then the reinforcing bolts are installed to connect to the vertical clamp.

[0017] In a further technical solution, the longitudinal anti-seismic C-shaped steel forms an angle of 45° with the full-thread screw; the lateral anti-seismic C-shaped steel forms an angle of 45° with the full-thread screw.

[0018] In a further technical solution, the seismic hinge A and the seismic hinge B both include an upper rotating part and a lower rotating part, which are rotatably connected to each other, and both the upper rotating part and the lower rotating part are provided with mounting holes suitable for respectively connecting corresponding screws and anchor bolts.

[0019] In a further technical solution, the air duct fastener comprises a right-angle steel, one side of which is provided with a positioning hole, and the positioning hole is suitable for installing a fastening bolt for locking.

[0020] In a further technical solution, the vertical clamping member includes a rotating piece 1 and a rotating piece 2 in a bent state, one side of the rotating piece 1 and the rotating piece 2 are rotatably connected and the other side is provided with an ear plate, and the ear plate is provided with a reinforcing bolt to lock the rotating piece 1 and the rotating piece 2.

[0021] Compared with the prior art, the present invention can achieve the following technical effects:

[0022] In the early stage of construction, the pipeline layout was optimized in advance through BIM technology, and the anti-seismic bracket setting points were accurately positioned as required. In the stage of structural plate construction, plastic water-stop rings and expansion bolts were embedded in advance to improve the connection performance between the anti-seismic bracket of the duct and the main structure, and at the same time, it was convenient for the early template support and removal construction; rubber composite insulation materials were set at the contact points between the upper and lower C-shaped steels and the duct, which can not only insulate the outer side of the duct, but also set a cushion layer of protective materials between the duct and the C-shaped steel to prevent the duct wall from being damaged due to rigid contact; a level gauge device was embedded at the bottom of the C-shaped steel at the bottom of the duct, which can control its level during the adjustment of the duct, ensure that the bottom of the duct is on the same horizontal plane, and ensure the aesthetics of the duct layout. At the same time, the level gauge device can be recycled and used, which further improves the stability of the anti-seismic bracket and the aesthetic performance of the duct layout, and also reflects the energy-saving and environmentally friendly construction concept; after the bracket is installed, the embedded plastic ring part is blocked with expansive waterproof mortar, which improves the molding aesthetics of the structural plate surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0024] Figure 1 It is a front view of a pre-buried fixed support point and an adjustable horizontal air duct earthquake-resistant support provided by the present invention;

[0025] Figure 2 It is a side view of a pre-buried fixed support point and adjustable horizontal air duct earthquake-resistant support provided by the present invention;

[0026] Figure 3 This is a structural diagram of the earthquake-resistant hinge of the present invention;

[0027] Figure 4 It is a structural diagram of the vertical clamping member of the present invention.

[0028] In the figure: 1. Embedded expansion bolt; 2. Concrete structural plate; 3. Lateral seismic C-shaped steel; 4. Plastic water-stop collar; 5. Hexagonal extended screw joint; 6. Vertical clamp; 7. C-shaped steel on the upper part of the air duct; 8. Fastening bolt; 9. Air duct; 10. Right-angle steel; 11. Nut for screw fastening; 12. Level gauge device; 13. Full-thread screw; 14. Seismic hinge A; 15. Rotor nut; 16. Longitudinal seismic C-shaped steel; 17. Seismic hinge B; 18. Rubber composite insulation material; 19. C-shaped steel on the lower part of the air duct; 20. Upper rotating part; 21. Lower rotating part; 22. Mounting hole; 23. Rotating piece 1; 24. Rotating piece 2; 25. Strengthening bolt. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0030] The application principle of the present invention is further described below in conjunction with the accompanying drawings and specific embodiments.

[0031] Example

[0032] See also Figure 1 and Figure 2 , provides a schematic diagram of the structure and use status of a pre-buried fixed support point and an adjustable horizontal air duct seismic support implemented by the present invention, such as Figure 1 As shown, the embedded fixed support point and adjustable horizontal air duct seismic support mainly include embedded expansion bolts 1, gaskets and nuts, embedded plastic water-stop sleeves 4, which are sealed with expansive waterproof mortar after being chiseled out, hexagonal extended screw joints 5, upper C-shaped steel of the air duct 7, lower C-shaped steel of the air duct 19, full-thread screws 13, vertical clamps 6, fastening nuts 11, air duct fasteners, full-thread screw fastening nuts and gaskets 11, level gauge devices 12, seismic hinges A14 and seismic hinges B17, rotor nuts 15, longitudinal seismic C-shaped steel 16, lateral seismic C-shaped steel 3, and rubber composite insulation materials 18.

[0033] Step 1: In the early stage of structural construction, the BIM technology should be used to simulate the comprehensive pipeline layout, optimize the air duct layout in advance, and accurately lay out and locate the fixed points of the anti-seismic support according to the requirements during the construction of the structural plate template, and pre-embed the plastic water stop ring 4 and the pre-embedded expansion bolt 1 in the concrete structural plate 2;

[0034] After the template and plastic waterproof sleeve 4 of the concrete structure slab 2 are chiseled out, first tighten the exposed part of the screw of the embedded expansion bolt 1 with a nut and a gasket, and then screw the hexagonal extended screw connector 5 into the screw;

[0035] Step 2: After the air duct 9 is erected to the installation height, start to install the C-shaped steel 7 on the upper part of the air duct and set it with the opening downward. The rubber composite insulation material 18 is embedded in the open end of the C-shaped steel 7 on the upper part of the air duct. The full-thread screw 13 is inserted into the reserved holes at both ends of the C-shaped steel 7 on the upper part of the air duct, and then two nuts are installed on the full-thread screw 13 at the upper end of the air duct 9; the upper nut is tightened with the hexagonal extended screw joint 5, and the lower nut is screwed to the upper cross arm of the C-shaped steel 7 on the upper part of the air duct. Note: The upper nuts of the full-thread screws on both sides are at the same elevation, and a certain gap is left for standby;

[0036] Another set of screw fastening nuts 11 and washers are screwed to the lower horizontal end of the C-shaped steel 7 on the upper part of the air duct, and the nuts on the full-thread screws on both sides are at the same elevation and tightened;

[0037] Then screw a set of screw fastening nuts 11 and washers onto the full-thread screws and not lower than the bottom elevation of the duct;

[0038] Step 3: Install the C-shaped steel 19 at the lower part of the air duct and set it with the opening facing upwards. Then screw a set of screw fastening nuts 11 and washers into the screws and tighten them to the bottom of the air duct 9. Embed the level meter device 12 into the bottom of the C-shaped steel at the lower part of the air duct to control the installation level. The rubber composite insulation material 18 is embedded in the open end of the C-shaped steel 19 at the lower part of the air duct. Install the rotor nut 15 in the lower end of the longitudinal anti-seismic C-shaped steel 16, and firmly connect the upper end of the anti-seismic hinge B17 with the lower end of the longitudinal anti-seismic C-shaped steel 16 with a nut.

[0039] Install the rotor nut 15 in the upper end of the longitudinal anti-seismic C-shaped steel 16, and use a nut to firmly connect the lower end of the anti-seismic hinge A14 with the upper end of the longitudinal anti-seismic C-shaped steel 16, and use a nut to firmly connect the upper end of the anti-seismic hinge A14 with the screw in the embedded expansion bolt 1 in the concrete structure slab 2, and then use an open pressure plate to press the lower end of the anti-seismic hinge B17 into the full-thread screw 13; note that the longitudinal anti-seismic C-shaped steel 16 and the full-thread screw 13 are at a 45° angle. The anti-seismic hinge A14 and the anti-seismic hinge B17 both include an upper rotating part 20 and a lower rotating part 21, which are rotatably connected, and the upper rotating part 20 and the lower rotating part 21 are provided with mounting holes 22 suitable for connecting corresponding screws and anchor bolts respectively.

[0040] Install the rotor nut 15 in the lower end of the lateral anti-seismic C-shaped steel 3, and firmly connect the upper end of the anti-seismic hinge B17 and the lower end of the longitudinal anti-seismic C-shaped steel 16 with a nut;

[0041] Install the rotor nut 15 in the upper end of the longitudinal seismic C-shaped steel 16, and use a nut to firmly connect the lower end of the seismic hinge A14 to the upper end of the longitudinal seismic C-shaped steel 16, and use a nut to firmly connect the upper end of the seismic hinge A14 to the screw in the embedded expansion bolt 1 in the concrete structure plate 2, and then use an open pressure plate to press the lower end of the seismic hinge B17 into the full-thread screw 13; note that the lateral seismic C-shaped steel 3 and the full-thread screw 13 are at a 45° angle.

[0042] At this time, tighten the nut screwed to the upper cross arm of the C-shaped steel 7 on the upper part of the air duct;

[0043] Step 4: Anchor bolts and rotor nuts 15 are installed in the upper C-shaped steel 7 and the lower C-shaped steel 19 of the air duct. The air duct fasteners include right-angle steel 10. A positioning hole is opened on one side of the right-angle steel 10. The positioning hole is suitable for installing fastening bolts and locking. At this time, attention should be paid to the state of the level meter embedded in the C-shaped steel at the bottom of the air duct. If it is unbalanced, the nut in the full-thread screw should be adjusted in time to make the air duct in a horizontal state.

[0044] The vertical clamping piece is used to cover the full-thread screw on the upper part of the air duct, and then the reinforcing bolts are installed to connect to the vertical clamping piece. The vertical clamping piece includes a rotating piece 1 23 and a rotating piece 24 in a bent state. One side of the rotating piece 1 23 and the rotating piece 24 is rotatably connected and the other side is provided with an ear plate. The ear plate is provided with a reinforcing bolt 25 to lock the rotating piece 1 23 and the rotating piece 24.

[0045] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive in all respects, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention.

[0046] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A method for installing a pre-buried fixed support point and an adjustable horizontal air duct seismic support, characterized in that: The following steps are involved: Step 1: In the early stage of structural construction, the comprehensive pipeline layout should be simulated by BIM technology, and the layout of the air duct should be optimized in advance. During the construction of the structural plate template, the fixed points of the seismic support should be accurately laid out and positioned as required, and plastic water stop rings and expansion bolts should be pre-embedded in the concrete structural plate; After the template and plastic water-stop ring of the concrete structure slab are chiseled out, first tighten the exposed part of the expansion bolt screw with nuts and washers, and then screw the hexagonal extended screw connector into the screw; Step 2: After the duct is erected to the installation height, start installing the C-shaped steel on the upper part of the duct, with the opening facing downward. The rubber composite insulation material is embedded in the open end of the C-shaped steel on the upper part of the duct. Insert the full-thread screw through the reserved holes at both ends of the C-shaped steel on the upper part of the duct, and then install two nuts on the full-thread screw at the upper end of the duct. Tighten the upper nut and the hexagonal extended screw joint, and screw the lower nut to the upper cross arm of the C-shaped steel on the upper part of the air duct and leave some space for standby; Screw another set of screw fastening nuts and washers to the lower horizontal end of the C-shaped steel on the upper part of the air duct and tighten them; Then screw a set of nuts and washers for screw fastening onto the full-thread screw and make sure that they are not lower than the bottom elevation of the duct; Step 3: Install the C-shaped steel at the bottom of the duct with the opening facing upward. Then screw a set of nuts and washers into the screws and tighten them to the bottom of the duct. Insert the level gauge into the bottom of the C-shaped steel at the bottom of the duct to control the installation level. The rubber composite insulation material is embedded in the open end of the C-shaped steel at the lower part of the air duct, the rotor nut is installed in the lower end of the longitudinal earthquake-resistant C-shaped steel, and the upper end of the earthquake-resistant hinge B is firmly connected to the lower end of the longitudinal earthquake-resistant C-shaped steel with a nut; Install the rotor nut on the upper end of the longitudinal seismic C-shaped steel, and use the nut to firmly connect the lower end of the seismic hinge A with the upper end of the longitudinal seismic C-shaped steel, and use the nut to firmly connect the upper end of the seismic hinge A with the screw in the embedded expansion bolt in the concrete structure slab, and then use the open pressure plate to press the lower end of the seismic hinge B into the full-thread screw; Install the rotor nut on the lower end of the lateral seismic C-shaped steel, and firmly connect the upper end of the seismic hinge B to the lower end of the longitudinal seismic C-shaped steel with a nut; Install the rotor nut in the upper end of the longitudinal seismic C-shaped steel, and use the nut to firmly connect the lower end of the seismic hinge A with the upper end of the longitudinal seismic C-shaped steel, and use the nut to firmly connect the upper end of the seismic hinge A with the screw in the embedded expansion bolt in the concrete structure slab, and then use the open pressure plate to press the lower end of the seismic hinge B into the full-thread screw; At this time, tighten the nuts screwed to the upper cross arm of the C-shaped steel on the upper part of the duct; Step 4: The upper C-shaped steel and the lower C-shaped steel of the duct are equipped with rotor nuts and anchor bolts. Use the duct fasteners to tighten the duct and tighten it with fastening bolts. The level gauge embedded in the C-shaped steel at the bottom of the duct should be adjusted in time if it is unbalanced to make the duct in a horizontal state; The manufactured vertical clamping piece is used to cover the full-thread screw on the upper part of the air duct, and then the reinforcing bolts are installed to connect to the vertical clamping piece.

2. The method for installing a pre-buried fixed support point and an adjustable horizontal air duct seismic support according to claim 1, characterized in that: The longitudinal anti-seismic C-shaped steel forms an angle of 45° with the full-thread screw; the lateral anti-seismic C-shaped steel forms an angle of 45° with the full-thread screw.

3. The method for installing a pre-buried fixed support point and an adjustable horizontal air duct seismic support according to claim 1, characterized in that: The anti-seismic hinge A and the anti-seismic hinge B both include an upper rotating part and a lower rotating part, the upper rotating part and the lower rotating part are rotatably connected, and both the upper rotating part and the lower rotating part are provided with mounting holes suitable for connecting corresponding screws and anchor bolts respectively.

4. The method for installing a pre-buried fixed support point and an adjustable horizontal air duct seismic support according to claim 1, characterized in that: The air duct fastener comprises a right-angle steel, one side of which is provided with a positioning hole, and the positioning hole is suitable for installing a fastening bolt for locking.

5. The method for installing a pre-buried fixed support point and an adjustable horizontal air duct seismic support according to claim 1, characterized in that: The vertical clamping member includes a rotating piece 1 and a rotating piece 2 in a bent state, wherein one side of the rotating piece 1 and the rotating piece 2 is rotatably connected and the other side is provided with an ear plate, and the ear plate is provided with a reinforcing bolt to lock the rotating piece 1 and the rotating piece 2.

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