Warehouse door driving mechanism

Abstract

The utility model discloses a warehouse door driving mechanism which comprises a supporting seat. The rotary drum is arranged right above the supporting seat, and integrated rotary drum plates are arranged at the two ends of the rotary drum; the balance weight assembly is composed of a balance weight part and a limiting part, the balance weight part is arranged in the rotary drum and is in rolling connection with the rotary drum, that is, in the rotating process of the rotary drum, the balance weight part is located at the bottom of the rotary drum all the time, downward force is applied to the rotary drum all the time by means of the gravity of the balance weight part, and therefore the rotating speed of the rotary drum is reduced; the limiting piece is connected with the supporting base in a penetrating mode, the limiting piece is connected with the rotary drum plate in a clamped mode, and the limiting piece achieves limiting of the position of the rotary drum plate. Through the designed counterweight assembly, the speed of the rotating drum in the rotating process is reduced by increasing the downward gravity of the rotating drum, the phenomenon that braking is difficult due to the too high speed is avoided, meanwhile, the counterweight assembly is convenient to install and take out, the overall flexibility is high, and the defects of an existing structure in the using process are overcome.

Description

Technical Field

[0001] The utility model belongs to the technical field of warehouse doors, and in particular relates to a warehouse door driving mechanism. Background Art

[0002] Aircraft hangar, also known as hangar for short, is a large-span single-story building for repairing aircraft. It is the main building in the aircraft maintenance area. In order to ensure the safety of the hangar, it is protected by installing hangar doors, and the opening and closing of the hangar doors are achieved through a driving mechanism, which is generally a winch.

[0003] When the existing drive mechanism is in use, once the speed is too high, the potential safety hazard will be greater. Although the drive mechanism is equipped with a brake structure, it is easy to have difficulty in braking when the speed is too high. Therefore, there is room for improvement in actual use. Utility Model Content

[0004] The utility model aims to provide a garage door driving mechanism to solve the problem that the existing driving mechanism mentioned in the above background technology has certain deficiencies in safety.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a warehouse door driving mechanism, including a support seat; a rotating drum is arranged directly above the support seat, and an integrated rotating drum plate is arranged at both ends of the rotating drum; it also includes a counterweight assembly, which is composed of a counterweight piece and a limiting piece, wherein the counterweight piece is placed inside the rotating drum and is rollingly connected to the rotating drum, that is, when the rotating drum rotates, the counterweight piece is always at the bottom of the rotating drum, and always applies a downward force to the rotating drum by its own gravity, thereby reducing the rotation speed of the rotating drum; the limiting piece is connected through the support seat, and the limiting piece is engaged with the rotating drum plate, and the position of the rotating drum plate is limited by the limiting piece to prevent the rotating drum plate from rotating, and the counterweight piece can be taken out and put in at a later time.

[0006] Preferably, the interior of the rotating drum is hollow, and the counterweight is a counterweight steel ball placed inside the rotating drum. The overall horizontal plane of the counterweight steel ball is lower than the horizontal diameter plane of the rotating drum to avoid self-rotation caused by the tilt of the rotating drum due to an excessive number of counterweight steel balls.

[0007] Preferably, the rotating drum plate is symmetrically provided with slots in the same plane about its own center, and the limiting member includes a limiting stud threadedly connected to the support seat, and the end of the limiting stud is engaged with the slot to achieve limiting fixation of the rotating drum plate.

[0008] Preferably, a notch is provided on the surface of the rotating drum, a closing plate is arranged inside the notch, screw holes are provided at both ends of the closing plate, locking bolts are screwed into the screw holes, and the locking bolts are threadedly connected to the rotating drum. The counterweight steel balls can be put in and poured out through the notch.

[0009] Preferably, the notch is located at the midpoint of the two slots, so when the limiting stud is engaged with one of the slots, the notch is directly below, at which time the counterweight steel balls can be poured out, and when the limiting stud is engaged with the other slot, the notch is directly above, at which time the counterweight steel balls can be poured in.

[0010] Preferably, friction plates are provided at the edges of the inner and outer surfaces of the rotating drum plate, and a brake disc is also installed on the support seat. The brake disc is separated from or against the friction plate, and the friction plate is used to reduce the wear of the rotating drum plate caused by the brake disc, wherein the friction plate is made of ceramic material.

[0011] Preferably, a shaft passes through the axis of the rotating drum plate and the rotating drum, and a driving motor is also installed on the supporting seat, and the driving motor is connected to one end of the shaft through a transmission belt.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The designed counterweight assembly reduces the speed of the rotating drum by increasing the downward gravity of the rotating drum, thereby avoiding the difficulty in braking due to excessive speed. At the same time, the counterweight assembly is easy to install and remove, has high overall flexibility, and improves the shortcomings of the existing structure in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is a cross-sectional view of the rotary drum of the utility model;

[0016] Figure 3 For this utility model Figure 2 A magnified schematic diagram of area A in the middle.

[0017] In the figure:

[0018] 100, support seat; 101, rotating drum plate; 101a, slot; 102, limit stud; 103, rotating drum; 103a, notch; 104, weighted steel ball; 105, closing plate; 105a, screw hole; 106, locking bolt; 107, friction plate;

[0019] 200, brake disc;

[0020] 300. Driving motor. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figures 1 to 3 The utility model provides a technical solution: a garage door driving mechanism, including

[0023] Support base 100;

[0024] The rotating drum 103 is arranged directly above the supporting base 100 , and an integrated rotating drum plate 101 is arranged at both ends of the rotating drum 103 ;

[0025] Also includes

[0026] The counterweight assembly is composed of a counterweight part and a limit part.

[0027] The counterweight is placed inside the drum 103 and is rollingly connected to the drum 103, that is, when the drum 103 rotates, the counterweight is always at the bottom of the drum 103, and exerts a downward force on the drum 103 by its own gravity, thereby reducing the rotation speed of the drum 103; the limiter is connected through the support seat 100, and the limiter is engaged with the drum plate 101, and the position of the drum plate 101 is limited by the limiter to prevent the drum plate 101 from rotating, and the counterweight can be taken out and put in later.

[0028] In this embodiment, preferably, the interior of the rotating drum 103 is hollow, and the counterweight is a counterweight steel ball 104 placed inside the rotating drum 103. The overall horizontal plane of the counterweight steel ball 104 is lower than the horizontal diameter plane of the rotating drum 103 to avoid self-rotation caused by the tilt of the rotating drum 103 due to an excessive number of counterweight steel balls 104.

[0029] In this embodiment, preferably, the rotating drum plate 101 is symmetrically provided with a slot 101a in the same plane with respect to its own center, and the limiting member includes a limiting stud 102 threadedly connected to the support seat 100, and the end of the limiting stud 102 is engaged with the slot 101a, thereby achieving limiting fixation of the rotating drum plate 101.

[0030] In this embodiment, preferably, a slot 103a is provided on the surface of the rotating drum 103, a closing plate 105 is provided inside the slot 103a, screw holes 105a are provided at both ends of the closing plate 105, locking bolts 106 are screwed into the screw holes 105a, and the locking bolts 106 are threadedly connected to the rotating drum 103. Through the setting of the slot 103a, the counterweight steel balls 104 can be put in and poured out.

[0031] In this embodiment, preferably, the notch 103a is located at the midpoint of the two slots 101a, so when the limiting stud 102 is engaged with one of the slots 101a, the notch 103a is located directly below. Figure 2 As shown, the weighted steel balls 104 can be poured out at this time, and when the limiting stud 102 is engaged with another slot 101a, the notch 103a is directly above, and the weighted steel balls 104 can be poured in at this time.

[0032] In this embodiment, preferably, friction plates 107 are provided at the edges of the inner and outer surfaces of the rotating drum plate 101, and a brake disc 200 is also installed on the support seat 100. The brake disc 200 is separated from or against the friction plate 107, and the friction plate 107 is used to reduce the wear of the rotating drum plate 101 caused by the brake disc 200, wherein the friction plate 107 is made of ceramic.

[0033] In this embodiment, preferably, a shaft penetrates the axis of the rotating drum plate 101 and the rotating drum 103, and a driving motor 300 is also installed on the support seat 100. The driving motor 300 is connected to one end of the shaft through a transmission belt.

[0034] Although the embodiments of the present invention have been shown and described (see the above detailed description for details), it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A garage door driving mechanism, comprising: Support seat (100); The rotating drum (103) is arranged directly above the support seat (100), and integrated rotating drum plates (101) are arranged at both ends of the rotating drum (103); Features: Also includes The counterweight assembly is composed of a counterweight part and a limit part. The counterweight is placed inside the rotating drum (103) and is rollingly connected to the rotating drum (103); the limiting member is connected through the support seat (100), and the limiting member is snap-fittedly connected to the rotating drum plate (101).

2. A garage door driving mechanism according to claim 1, characterized in that: The interior of the rotating drum (103) is hollow, and the counterweight is a counterweight steel ball (104) placed inside the rotating drum (103). The overall horizontal plane of the counterweight steel ball (104) is lower than the horizontal diameter plane of the rotating drum (103).

3. A garage door driving mechanism according to claim 1, characterized in that: The rotating drum plate (101) is symmetrically provided with slots (101a) in the same plane about its own center, and the limiting member comprises a limiting stud (102) threadedly connected to the support seat (100), and the end of the limiting stud (102) is engaged with the slot (101a).

4. A garage door driving mechanism according to claim 3, characterized in that: A notch (103a) is provided on the surface of the rotating drum (103), a closing plate (105) is provided inside the notch (103a), screw holes (105a) are provided at both ends of the closing plate (105), locking bolts (106) are screwed into the inside of the screw holes (105a), and the locking bolts (106) are threadedly connected to the rotating drum (103).

5. A garage door driving mechanism according to claim 4, characterized in that: The notch (103a) is located at the midpoint of the two clamping slots (101a).

6. A garage door driving mechanism according to claim 1, characterized in that: Friction plates (107) are arranged at the edges of the inner and outer surfaces of the rotating drum plate (101), and a brake disc (200) is also installed on the support seat (100), and the brake disc (200) is separated from or abuts against the friction plate (107).

7. A garage door driving mechanism according to claim 6, characterized in that: A shaft penetrates the axis of the rotating drum plate (101) and the rotating drum (103), and a driving motor (300) is also installed on the support seat (100). The driving motor (300) is connected to one end of the shaft through a transmission belt.

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