Construction method of push-pull hangar gate

Abstract

The invention discloses a push-pull type hangar gate construction method, and relates to the technical field of hangar gate installation, the method comprises the following steps: S1, setting support measures, sequentially hoisting gate frames to the support measures, and fixing joints; s2, a middle vertical rod is installed on the inner side of the gate frame and fixed; s3, lines are drawn according to the positions of the supporting rods, the upper guide roller fixing frame, the lower transmission roller fixing frame and the small door frame in the large door frame, and the lines are installed and fixed; s4, keels are installed, and sunlight plates are installed on the keels; s5, hoisting a gate; s6, starting to hoist the gate; s7, when the large door frame is in a vertical state, the third crane stops working and is separated from the large door, and the guide roller fixing frame on the large door frame penetrates through the guide rail; s8, an upper guide roller and an upper fixing rod are installed; s9, a transmission motor and a small door are installed; and the gate can be quickly assembled and hoisted in place at one time, so that the unsafe risk caused by high-place operation is reduced, the construction cost is effectively saved, and the assembly quality can be effectively guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of hangar door installation, and in particular to a construction method for a push-pull type hangar door. Background Art

[0002] In recent years, the construction of hangars and large factories in my country has developed rapidly. A large number of steel-structured hangars, factories and other buildings with regional characteristics, innovative concepts and application of new technologies have emerged. Hangar doors are widely used in large hangars with their advantages of large span and high safety. Due to the large span and heavy weight of hangar doors, there are great safety hazards and quality problems in the overall transportation and installation. Split high-altitude bulk construction is usually adopted, and the workload of high-altitude assembly and welding is large. In addition, it is necessary to set up a high-altitude assembly frame during construction. The frame is difficult to set up, and there are great safety and quality risks, which is not conducive to the safety, quality and construction period control of the hangar door on-site installation. Summary of the invention

[0003] In view of this, the purpose of the present invention is to provide a sliding hangar door construction method, in which the door and accessories are assembled at one time, thereby improving work efficiency, effectively ensuring quality, reducing the unsafe risks caused by working at heights, and saving construction costs.

[0004] The construction method for the push-pull hangar door provided by the present invention adopts the following technical solutions:

[0005] A method for constructing a push-pull hangar door comprises the following steps:

[0006] S1. Set up support measures and use a leveling instrument to level the door frame, hoist it onto the support measures in turn and fix the joints;

[0007] S2. Install and secure the neutral pole on the inner side of the gate frame;

[0008] S3. Draw lines and install and fix the support rods, upper guide roller fixing frame, lower transmission roller fixing frame and small door frame in the door frame, and then install the power line conduit and lay the cables to the motor;

[0009] S4. Install the keel, install the lower transmission roller in place, align the center line of the two rollers with the center line of the lower frame, and then fix them, and install the sun panel on the keel;

[0010] S5. Use three lifting machines to lift the gate. Cranes No. 1 and No. 2 are set on both sides of the gate frame, and crane No. 3 is set on the bottom frame side of the gate frame;

[0011] S6. The gate begins to be hoisted. Cranes No. 1 and No. 2 are slowly raised, followed by crane No. 3. During the slow raising of cranes No. 1 and 2, the main arm increases its angle at the same time. During the slow raising of crane No. 3, the main arm decreases its angle at the same time.

[0012] S7. When the gate frame is in a vertical state, crane No. 3 stops operating and is separated from the gate. The guide roller fixing frame on the gate frame passes through the guide rail and slowly falls down to make the transmission roller contact the ground rail. Cranes No. 1 and No. 2 stop operating.

[0013] S8. Install the upper guide roller and upper fixing rod, and install the upper conductive sliding wire at the same time;

[0014] S9. Install the transmission motor and small door. After the motor wiring is completed, power on the main door for a test run. After everything is correct, install the windows on the left and right sides of the small door.

[0015] Furthermore, stiffening ribs are provided on both the inner and outer sides of the door frame.

[0016] Furthermore, lifting point ribs for lifting are arranged on both sides of the door frame.

[0017] Furthermore, the gate frame is provided with a lock for connecting with a steel wire rope on the stiffening rib at the hanging point, and the lock is used to keep the steel wire rope away from the gate frame.

[0018] In summary, the present invention has at least one of the following beneficial effects: the gate can be assembled and hoisted into place quickly at one time, the unsafe risks caused by working at heights are reduced, the construction cost is effectively saved, and the assembly quality can be effectively guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of step 1 of an embodiment of the present invention;

[0020] Figure 2 This is a schematic diagram of step 2 of an embodiment of the present invention;

[0021] Figure 3 This is a schematic diagram of step three of an embodiment of the present invention;

[0022] Figure 4 This is a schematic diagram of step 4 of an embodiment of the present invention;

[0023] Figure 5 This is a schematic diagram of step five of an embodiment of the present invention;

[0024] Figure 6 This is a schematic diagram of step six of an embodiment of the present invention;

[0025] Figure 7 This is a schematic diagram of step seven of an embodiment of the present invention;

[0026] Figure 8 Schematic diagram of step eight of an embodiment of the present invention;

[0027] Fig. 9 This is a schematic diagram of step nine of an embodiment of the present invention. DETAILED DESCRIPTION

[0028] The following describes the embodiments of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention.

[0029] The following is combined with Figure 1-9 The present invention is described in further detail.

[0030] The embodiment of the present invention discloses a construction method of a push-pull type hangar door. Figure 1-Figure 9 The construction method of the push-pull hangar door includes the following steps:

[0031] Step 1, set the support measure 1 and use a horizontal instrument to level it, lift the door frame 2 onto the support measure 1 in turn and fix the connection. The door frame 2 is an I-beam, and the plane on the I-beam is divided into center lines. Use a protractor to measure the right angle of the corners, and use a long tape measure to measure the diagonal. After passing the test, weld and fix the four corner connections respectively. The inner and outer sides of the door frame 2 are provided with a number of stiffening ribs 12, and stiffening ribs 13 for lifting points are also provided.

[0032] Step 2: Use a level instrument to measure the horizontal error of the gate frame 2, install the neutral pole 3 on the inside of the gate frame 2, use a protractor to measure the straightness, and weld and fix them at the joints after passing the test.

[0033] Step three, weld the joints of the gate frame 2 and the neutral pole 3, draw lines according to the positions of the support rods 4, upper guide roller fixing frame 5, lower transmission roller fixing frame 6, and small door frame 7 inside the gate frame 2, use a small lifting machine to lift the support rods 4, upper guide roller fixing frame 5, lower transmission roller fixing frame 6, and small door frame 7 on the inner side of the gate frame 2 into place, and weld them in place, use carbon dioxide gas shielded welding to complete the welding work of the joints of the gate rods, and weld symmetrically during the welding process. At the same time, a horizontal instrument measures the overall levelness of the gate, and the slag is cleaned to complete the paint anti-corrosion, then install the power line conduit and lay the cable to the motor.

[0034] Step 4: According to the position of the keel where the sun panel is to be installed, the keels are installed in sequence and welded firmly, the slag is cleaned to complete the anti-corrosion, the lower transmission roller 8 is installed in place, the center line of the two rollers is adjusted to align with the center line of the lower frame and fixed, and the sun panel 9 is installed on the keel.

[0035] Step 5. Use three lifting machines to lift the gate. Cranes No. 1 and No. 2 are set on both sides of the gate frame 2, and crane No. 3 is set on the bottom frame side of the gate frame 2. The gate frame 2 is provided with locks 14 for connecting with wire ropes on the lifting point ribs 13. The locks 14 are used to keep the wire ropes away from the gate frame 2 to avoid scratches. The locks are set at each lifting point and checked to be correct.

[0036] Step 6: Start hoisting the gate. Cranes No. 1 and No. 2 slowly rise, followed by crane No. 3. During the slow rising of cranes No. 1 and 2, the main arms increase their angles at the same time. During the slow rising of crane No. 3, the main arms decrease their angles at the same time.

[0037] Step 7, when the gate frame 2 is in a vertical state, crane No. 3 stops operating, and removes the lock 14 and protective measures, the guide roller fixing frame 5 on the gate frame 2 passes through the guide rail and slowly falls down to make the transmission roller contact the ground rail, and cranes No. 1 and No. 2 stop operating.

[0038] Step 8: Install the upper guide roller 10 and the upper fixing rod 11, and install the upper conductive sliding wire at the same time, remove the No. 1 and No. 2 crane lifting point locks 14 on both sides of the gate, and retract the crane.

[0039] Step nine, install the transmission motor and small door, complete the motor wiring, power on the main door for test run, and after everything is correct, install the windows on the left and right sides of the small door.

[0040] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the present invention, which should be included in the scope of the claims of the present invention.

Claims

1. A method for constructing a push-pull hangar door, characterized in that: The following steps are involved: S1. Set up the support measures (1) and use a leveling instrument to level it, then hoist the door frame (2) onto the support measures (1) in sequence and fix the connection points; S2, installing and fixing a neutral rod (3) on the inner side of the gate frame (2); S3, according to the positions of the support rods (4), the upper guide roller fixing frame (5), the lower transmission roller fixing frame (6), and the small door frame (7) in the door frame (2), draw lines and install and fix them respectively, then install the power line conduit and lay the cables to the motor; S4, install the keel, install the lower transmission roller (8) in place, adjust the center line of the two rollers to align with the center line of the lower frame, and then fix them, and install the sun panel (9) on the keel; S5. Use three lifting machines to lift the gate, with cranes No. 1 and No. 2 being set on both sides of the gate frame (2), and crane No. 3 being set on the bottom frame side of the gate frame (2); S6. The gate begins to be hoisted. Cranes No. 1 and No. 2 are slowly raised, followed by crane No.

3. During the slow raising of cranes No. 1 and 2, the main arm increases its angle at the same time. During the slow raising of crane No. 3, the main arm decreases its angle at the same time. S7, when the gate frame (2) is in a vertical state, crane No. 3 stops operating and is separated from the gate, the guide roller fixing frame (5) on the gate frame (2) passes through the guide rail and slowly falls down to make the transmission roller contact the ground rail, and cranes No. 1 and No. 2 stop operating; S8, installing the upper guide roller (10) and the upper fixing rod (11), and installing the upper conductive sliding wire at the same time; S9. Install the transmission motor and small door. After the motor wiring is completed, power on the main door for a test run. After everything is correct, install the windows on the left and right sides of the small door.

2. The method for constructing a push-pull hangar door according to claim 1, characterized in that: Stiffening ribs (12) are provided on both the inner and outer sides of the door frame (2).

3. The method for constructing a push-pull hangar door according to claim 1, characterized in that: Lifting point stiffening ribs (13) for lifting are arranged on both sides of the door frame (2).

4. The method for constructing a push-pull hangar door according to claim 3, characterized in that: The gate frame (2) is provided with a lock (14) for connecting with a steel wire rope on the suspension point stiffening rib (13), and the lock (14) is used to keep the steel wire rope away from the gate frame (2).

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