Dual power window

Abstract

A double power air window, including the air valve shell, the air valve shell is provided with the main drive bevel gear, is provided with a plurality of driven bevel gears with the main drive bevel gear engagement, the main drive bevel gear and driven bevel gear annular array, are arranged with each other engagement;The main shaft is fixedly connected with a plurality of driven bevel gears respectively rotating vane, and the rotating vane is rotatably connected with the air valve shell, the main shaft is connected through the shaft coupling worm gear reducer, the reducer is provided with at least two power input shafts, and is connected with hand wheel and servo motor respectively setting up.The utility model solves the problem of high driving pressure and high driving mechanical power requirement of the air volume control equipment in the prior art, realizes low-power air volume regulation and control with servo motor as the driving equipment, and has higher control precision.Especially, the equipment can be manually opened and closed, and has higher safety.

Description

Technical Field

[0001] This utility model relates to the field of underground ventilation equipment, and in particular to a dual-power ventilation window. Background Technology

[0002] Ventilation safety is of paramount importance for underground production safety. Currently, the supply and return air at the tunnel face is typically controlled via ventilation ducts. A drawback of traditional ventilation ducts is the inability to adjust the airflow; that is, there is no airflow regulation mechanism within the duct, and airflow can only be controlled through the positive and negative pressure generating ends, i.e., the supply and exhaust equipment. This problem makes airflow regulation extremely inconvenient.

[0003] To address the aforementioned issues, Chinese Patent 2024200073317 discloses an adjustable-opening air distribution device. While this device can effectively control airflow, its drive structure requires significant power, necessitating high-power electromechanical equipment. Furthermore, due to underground fire and explosion prevention requirements, only pneumatic or hydraulic motors can be used as the power source, severely limiting its capabilities. In particular, in special circumstances where the ventilation window opening cannot be manually adjusted, this technical solution presents certain safety hazards. Utility Model Content

[0004] The purpose of this invention is to overcome the shortcomings of the existing technology and provide a dual-power windshield with a more reasonable power configuration, which can be easily opened and closed manually and has higher safety.

[0005] The device includes a valve housing, a drive shaft passing through the valve housing, and a rotatable connection between the drive shaft and the valve housing; a drive bevel gear is provided on the drive shaft, meshing with the drive bevel gear, and multiple driven bevel gears are provided, the drive bevel gears and driven bevel gears are arranged in a circular array and mesh with each other; The drive shaft is fixedly connected to a plurality of driven bevel gears and rotating blades, and the rotating blades are rotatably connected to the air valve housing. The drive shaft is connected to a worm gear reducer via a coupling. The reducer has at least two power input shafts, which are respectively connected to a handwheel and a servo motor.

[0006] The effects achieved are as follows: firstly, the worm gear reducer has a mechanical self-locking mechanism, meaning that the equipment can be maintained without continuous power output; secondly, the use of a reducer can reduce the power requirements of the servo motor, meaning that a lower-power explosion-proof servo motor can be selected, and more precise control of airflow can be achieved on this basis; and thirdly, by configuring a handwheel, the opening of the equipment can be easily and manually adjusted directly without power supply.

[0007] The beneficial effects of this invention are: it solves the problems of high driving pressure and high power requirements for driving machinery in existing airflow control equipment, and realizes low-power airflow regulation and control using a servo motor as the driving device, with higher control accuracy. In particular, the equipment can be manually opened and closed, resulting in higher safety. Attached Figure Description

[0008] Figure 1 This is a structural schematic diagram of a dual-power windshield according to the present invention; Figure 2 This is a structural schematic diagram of a dual-powered windshield in implementation state A according to this utility model; that is, a schematic diagram of the implementation method of micro-movement of rotating blades. Figure 3 Based on Figure 2 A schematic diagram of implementation state B, that is, a schematic diagram of the implementation method in which the rotating blades continue to open; Figure label: 1-Air valve housing 2-Rotating blade 3-Drive shaft 4-Drive bevel gear 5-Driven bevel gear 6-Worm gear reducer 7-Handwheel 8-Servo motor 9-Reinforcing rib The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0009] Reference Figure 1 , Figure 2 The present invention provides a dual-power windshield, including a wind valve housing 1, a drive shaft 3 passing through the wind valve housing 1, and a rotatable connection between the drive shaft 3 and the wind valve housing 1; a drive bevel gear 4 is provided on the drive shaft 3, meshing with the drive bevel gear 4, and a plurality of driven bevel gears 5 are provided, the drive bevel gear 4 and the driven bevel gears 5 are arranged in a circular array and mesh with each other. The drive shaft 3 and multiple driven bevel gears 5 are respectively fixedly connected to the rotating blades 2, and the rotating blades 2 are rotatably connected to the air valve housing 1; The effect achieved is that when the active bevel gear 4 rotates, it drives all the driven bevel gears 5 to rotate as well. In the initial state, the rotating blades 2 are set perpendicular to the air valve housing 1. After rotation, multiple rotating blades 2 rotate and create gaps between adjacent rotating blades 2. These gaps are the airflow channels, and the airflow can be controlled by controlling the size of the gaps.

[0010] The drive shaft 3 is connected to the worm gear reducer 6 via a coupling. The reducer has at least two power input shafts, which are respectively connected to the handwheel 7 and the servo motor 8.

[0011] When in use, the worm gear reducer has a mechanical self-locking mechanism, which means that the equipment does not need to continuously output power to maintain its state. At the same time, the use of a reducer can reduce the power requirement of the servo motor 8, which means that a lower power explosion-proof servo motor 8 can be selected for power configuration. On this basis, more precise control of airflow can also be achieved. In particular, by configuring the handwheel 7, the opening of the equipment can be easily and manually adjusted directly without power supply.

[0012] In Example 1, the active bevel gear 4 and the driven bevel gear 5 are arranged in a ring array at the center of the air valve housing 1, and are meshed with each other; Furthermore, there is an even number of active bevel gears 4 and driven bevel gears 5, and an even number of rotating blades 2 are correspondingly provided, and their arrangement is axially symmetrical.

[0013] The effect achieved is to optimize mechanical configuration and improve synchronization rate.

[0014] In Example 2, the outer shell 1 of the air valve is provided with a plurality of rotating shafts arranged in a circular array, and the arrangement is rotatable; the rotating blade 2 is provided with a lug plate, and the lug plate on the rotating blade 2 is fixedly connected to the rotating shaft and the drive shaft 3.

[0015] This achieves a rotatable connection between the rotating blade 2 and the valve housing 1.

[0016] In Example 3, the air valve housing 1 is further provided with a reinforcing rib 9. The reinforcing rib 9 includes a centrally located reinforcing ring and a reinforcing rib integrally connected to the reinforcing ring and the inner wall of the air valve housing 1.

[0017] The effect achieved in this way is to improve the overall strength of the equipment.

[0018] In Example 4, the air valve housing 1 is integrally connected with assembly rings at both ends, and the assembly rings are provided with assembly holes.

[0019] This facilitates the connection of the equipment to the ventilation duct and the supply and exhaust ventilation equipment.

[0020] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description, and thus all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0021] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A dual-powered windshield, comprising a valve housing, wherein a drive shaft is disposed within the valve housing, and the drive shaft is rotatably connected to the valve housing; a drive bevel gear is disposed on the drive shaft and meshes with the drive bevel gear, and a plurality of driven bevel gears are disposed thereon, the drive bevel gears and driven bevel gears being arranged in a circular array and meshing with each other; rotating blades are fixedly connected to the drive shaft and the plurality of driven bevel gears respectively, and the rotating blades are rotatably connected to the valve housing, characterized in that: The drive shaft is connected to a worm gear reducer via a coupling. The reducer has at least two power input shafts, which are respectively connected to a handwheel and a servo motor.

2. The dual-power windshield according to claim 1, characterized in that, The active bevel gear and the driven bevel gear are arranged in a ring array at the center of the ring valve housing, and are meshed with each other.

3. A dual-powered windshield according to claim 2, characterized in that, There are an even number of driving bevel gears and driven bevel gears, and an even number of rotating blades are correspondingly arranged in an axisymmetric manner.

4. A dual-power windshield according to claim 1, characterized in that, The valve housing has multiple rotating shafts arranged in a circular array, which are arranged in a rotating manner; the rotating blades are provided with ear plates, and the ear plates on the rotating blades are fixedly connected to the rotating shafts and the drive shaft.

5. A dual-powered windshield according to claim 1, characterized in that, The valve housing is also provided with reinforcing ribs, which include a centrally located reinforcing ring and reinforcing ribs integrally connected to the reinforcing ring and the inner wall of the valve housing.

6. A dual-powered windshield according to claim 1, characterized in that, The valve housing has an assembly ring integrally connected to both ends, and the assembly ring has an assembly hole.

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