CN216078345U

CN216078345U - Electric combined air valve for subway

Info

Publication number: CN216078345U
Application number: CN202122569573.4U
Authority: CN
Inventors: 石兴祥; 沈炳校; 章伟超; 陈超; 罗灿龙; 赵建高
Original assignee: Zhejiang Juying Fan Industry Co ltd
Current assignee: Zhejiang Juying Fan Industry Co ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-03-18
Anticipated expiration: 2031-10-25

Abstract

The utility model discloses an electric combined air valve for a subway, which comprises a frame, wherein a mounting bottom plate is fixedly mounted at the lower end of the frame, a driving movable blade is arranged on the inner side of the frame, a driven movable blade is arranged on the inner side of the frame, rotating rods are arranged on the driving movable blade and the driven movable blade, and a linkage rod is arranged at the end part of the rotating rod. The utility model relates to an electric combined air valve for a subway, which belongs to the technical field of combined electric air valves.

Description

Electric combined air valve for subway

Technical Field

The utility model relates to the technical field of combined electric air valves, in particular to an electric combined air valve for a subway.

Background

The combined air valve is generally a large valve which is arranged on an air shaft and an air channel of a smoke exhaust system of subway tunnel engineering, plays the roles of smoke exhaust, smoke isolation and fire resistance when encountering fire, can bear the air pressure of 2000pa, and can meet the requirements of smoke leakage and fire resistance integrity within a certain time. Mainly comprises a frame, a plurality of unit valve bodies, an actuating mechanism and a transmission device. The existing transmission system generally comprises a transmission main shaft, a transmission connecting rod and the like, wherein the transmission main shaft is used for being in transmission connection with an actuating mechanism to realize power input, and the transmission main shaft is connected with the transmission connecting rod to drive the transmission connecting rod to act so as to realize linkage of all blades. Among the current combination blast gate, drive mechanism generally sets up inside the framework, causes very big degree of difficulty and inconvenience for the installation and debugging work of blast gate, and drive mechanism hides inside the framework simultaneously, is unfavorable for the change and the maintenance of part, and current combination blast gate adopts the welded mode to use on fixing the frame with the connecting piece simultaneously, inconvenient use.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an electric combined air valve for a subway, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides an electronic combination blast gate for subway, includes the frame, the lower extreme fixed mounting of frame has an installing plate, and the frame inboard is provided with main movable blade, the inboard of frame is provided with from the movable blade, be provided with the dwang on main movable blade and the follow movable blade, and the tip of dwang is provided with the gangbar, install servo motor on the installing plate, be provided with drive mechanism between the tip of servo motor and main movable blade, the upper end fixed mounting of frame has the connecting piece, and the connecting piece includes connecting plate, first fastening screw, second fastening screw and construction bolt.

Preferably, the frame comprises a plurality of section bars, and utilize the screw to carry out fixed connection between the section bar, the initiative leaf is located the lower position department from the movable leaf, rotate between dwang and the gangbar and be connected.

Preferably, the lower extreme of servo motor is provided with the fixing base, and fixing base fixed mounting is on mounting plate, servo motor is fixed in on mounting plate through the fixing base.

Preferably, drive mechanism includes first gear, second gear, driven sprocket, drive sprocket and chain, first gear sets up in the tip of driving movable vane, fixed connection between second gear and the driven sprocket, and be equipped with the round bar between second gear, the driven sprocket, second gear, driven sprocket pass through the round bar and rotate and connect on the frame.

Preferably, the driving sprocket is fixed on a shaft of the servo motor, the chain is sleeved on the driven sprocket and the driving sprocket, and the first gear and the second gear are in meshed connection.

Preferably, the first fastening screws and the second fastening screws are arranged on the connecting plate, the first fastening screws and the second fastening screws are arranged in a staggered mode, the connecting plate is fixed on the frame through the first fastening screws and the second fastening screws, and the mounting bolts are connected to the connecting plate.

Compared with the prior art, the utility model has the following beneficial effects: this electronic combination blast gate is used to subway, through with servo motor, drive mechanism is external, going on of easy to assemble work, be convenient for maintain the change simultaneously, drive mechanism adopts the sprocket, the gear isotructure, can carry out the transmission effectively, guarantee the transmission precision, through the connecting piece that sets up, the connecting piece adopts and is connected between screw and the frame, convenient operation, avoid work such as unnecessary welding, first fastening screw and second fastening screw dislocation set, neither influence normal erection joint, can guarantee the steadiness after connecting again.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the linkage rod of the present invention;

FIG. 3 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;

fig. 4 is a schematic structural view of the connector of the present invention.

In the figure: 1. a frame; 2. mounting a bottom plate; 3. a main movable blade; 4. a slave bucket; 5. a servo motor; 6. rotating the rod; 7. a linkage rod; 8. a transmission mechanism; 801. a first gear; 802. a second gear; 803. a driven sprocket; 804. a drive sprocket; 805. a chain; 9. a connecting member; 901. a connecting plate; 902. a first fastening screw; 903. a second fastening screw; 904. installing a bolt; 10. a fixed seat.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-4, an electric combined air valve for subway comprises a frame 1, a mounting base plate 2 is fixedly mounted at the lower end of the frame 1, a driving movable blade 3 is arranged on the inner side of the frame 1, a driven movable blade 4 is arranged on the inner side of the frame 1, a rotating rod 6 is arranged on the driving blade 3 and the driven movable blade 4, a linkage rod 7 is arranged at the end of the rotating rod 6, a servo motor 5 is mounted on the mounting base plate 2, a transmission mechanism 8 is arranged between the servo motor 5 and the end of the driving blade 3, a connecting piece 9 is fixedly mounted at the upper end of the frame 1, the connecting piece 9 comprises a connecting plate 901, a first fastening screw 902, a second fastening screw 903 and a mounting bolt 904, and the servo motor 5 and the transmission mechanism 8 are externally arranged, so that the mounting work is convenient and the maintenance and the replacement are convenient.

Through above-mentioned embodiment, frame 1 comprises a plurality of section bars, and utilizes the screw to carry out fixed connection between the section bar, and initiative leaf 3 is located the lower position department from movable leaf 4, rotates between dwang 6 and the gangbar 7 to be connected, and servo motor 5's lower extreme is provided with fixing base 10, and fixing base 10 fixed mounting is on mounting plate 2, and servo motor 5 is fixed in on mounting plate 2 through fixing base 10.

Through the above embodiment, the transmission mechanism 8 includes the first gear 801, the second gear 802, the driven sprocket 803, the driving sprocket 804 and the chain 805, the first gear 801 is disposed at the end of the driving blade 3, the second gear 802 is fixedly connected to the driven sprocket 803, a round bar is disposed between the second gear 802 and the driven sprocket 803, the second gear 802 and the driven sprocket 803 are rotatably connected to the frame 1 through the round bar, the driving sprocket 804 is fixed to the shaft of the servo motor 5, the chain 805 is sleeved on the driven sprocket 803 and the driving sprocket 804, the first gear 801 is engaged with the second gear 802, the transmission mechanism 8 adopts a sprocket, a gear and other structures, transmission can be effectively performed, and transmission precision is ensured.

Through above-mentioned embodiment, first fastening screw 902 and second fastening screw 903 set up on connecting plate 901, and crisscross setting between first fastening screw 902 and the second fastening screw 903, connecting plate 901 is through first fastening screw 902, second fastening screw 903 is fixed in on the frame 1, construction bolt 904 is connected on connecting plate 901, connecting piece 9 through setting up, connecting piece 9 adopts and is connected between screw and the frame 1, convenient operation, avoid work such as unnecessary welding, first fastening screw 902 and second fastening screw 903 dislocation set, neither influence normal erection joint, can guarantee the steadiness after connecting again.

The utility model is an electric combined air valve for subway, when in use, firstly, the combined air valve is installed, the frame 1 is assembled by screws, the driving movable blade 3 and the driven blade 4 are installed on the frame 1, the frame 1 with the driving movable blade 3 and the driven blade 4 is installed on the foundation of a ventilation place, the installation bottom plate 2 is supported by the installation bottom plate 2, the installation bottom plate 2 is fixed on the foundation by bolts, the upper end of the frame 1 is fixed on the wall of a civil engineering opening by a connecting piece 9, when in fixation, a connecting plate 901 is fixed on the frame 1 by a first fastening screw 902 and a second fastening screw 903, holes are arranged at corresponding positions on the wall of the civil engineering opening, the installing bolt 904 is connected to the connecting piece 9, so that the tail end of the installing bolt 904 is screwed into the wall of the civil engineering opening, and further, the connecting plate 901 is fixedly connected with the wall of the civil engineering opening, thus, the installation and fixation of the frame 1 and other structures are completed, then the detection element is arranged at the corresponding position for detecting the internal and external pressure difference, then the installation and connection of the servo motor 5 and the transmission mechanism 8 are started, the servo motor 5 is fixed on the installation bottom plate 2 through the fixing seat 10, the shaft end of the servo motor 5 is provided with the driving sprocket 804, the end part of the rotating shaft of the driving blade 3 is provided with the first gear 801, the round rod with the second gear 802 and the driven sprocket 803 is installed on the frame 1, the meshing between the first gear 801 and the second gear 802 is ensured, meanwhile, the driving sprocket 804 and the driven sprocket 803 are sleeved with the chain 805, after the transmission mechanism 8 is completely installed and connected, the whole combined air valve is started, when the ventilation effect of the air valve needs to be changed, the servo motor 5 is started, the servo motor 5 drives the driving sprocket 804 to rotate, the driving sprocket 804 drives the driven sprocket 803 to rotate through the chain 805, the driven sprocket 803 drives the second gear 802 to rotate, because the second gear 802 is meshed with the first gear 801 and connected, when the second gear 802 rotates, the first gear 801 rotates together with the first gear and drives the driving blade 3 to rotate, the end parts of the driving blade 3 and the driven blade 4 are provided with the rotating rod 6, the rotating rod 6 is connected through the linkage rod 7, when the driving blade 3 rotates, the remaining driven blade 4 rotates together with the driving blade 3 synchronously, so that the synchronous operation of all the blades is realized, when the structures of the transmission mechanism 8 and the like need to be overhauled, the protection plate on one side of the frame 1 is opened, the external gear and the sprocket can be overhauled directly, the structure is simple, the operation is convenient and fast, when the combined air valve is installed, the air valve frame 1 is assembled by adopting screws, unnecessary welding, grinding and spraying processes can be reduced, the production processes are reduced, and the production workload is reduced, the production efficiency is improved, the product consistency and the product quality are improved through the processing and the assembly of universal section parts, meanwhile, the problem of difficult maintenance is effectively solved through the disassembly of a base, on the other hand, the bulk goods can be delivered and the field assembly is carried out, thereby solving the transportation problem and reducing the transportation cost, and the servo motor 5 and the transmission mechanism 8 are externally arranged, thereby not only getting rid of the limitation that the traditional air valve transmission mechanism 8 is arranged on a body, but also being convenient for the installation and the debugging of a transmission system and the later maintenance, when the air valve is used, the arranged detection element carries out the detection work of the internal and external pressure difference, when the internal and external pressure difference reaches 2000Pa, a signal can be fed back, the control unit sends an instruction to control the servo motor 5 to operate, thereby the air valve is automatically closed, the leakage rate is prevented from increasing due to the fact that the blade is not closed, meanwhile, the valve body blade adopts the rib pressing treatment, thereby increase the overall structure intensity of valve body self, can effectually prevent that subway combination blast gate from taking place the deformation condition because of the too big blade that causes of the dynamic pressure differential that produces during the train operation, having realized good pressure-bearing performance at work.

The foregoing has described the principles of use, features and advantages of the utility model. The above embodiments and the description of the utility model are provided to illustrate the basic principles and features of the utility model and, within the scope of the utility model concept, to be understood by those skilled in the art from the foregoing description, various modifications may be made to the utility model and these modifications are within the scope of the utility model as claimed.

Claims

1. The utility model provides an electronic combination blast gate for subway, includes frame (1), the lower extreme fixed mounting of frame (1) has mounting plate (2), and frame (1) inboard is provided with driving movable vane (3), the inboard of frame (1) is provided with from movable vane (4), be provided with dwang (6) on driving movable vane (3) and from movable vane (4), and the tip of dwang (6) is provided with gangbar (7), its characterized in that: the mounting structure is characterized in that a servo motor (5) is mounted on the mounting base plate (2), a transmission mechanism (8) is arranged between the servo motor (5) and the end of the driving movable blade (3), a connecting piece (9) is fixedly mounted at the upper end of the frame (1), and the connecting piece (9) comprises a connecting plate (901), a first fastening screw (902), a second fastening screw (903) and a mounting bolt (904).

2. The electric combined blast gate for subway according to claim 1, wherein: the frame (1) comprises a plurality of section bars, and utilizes the screw to carry out fixed connection between the section bar, active bucket (3) are located the below position department of driven bucket (4), rotate between dwang (6) and gangbar (7) and be connected.

3. The electric combined blast gate for subway according to claim 2, wherein: the lower extreme of servo motor (5) is provided with fixing base (10), and fixing base (10) fixed mounting is on mounting plate (2), servo motor (5) are fixed in on mounting plate (2) through fixing base (10).

4. The electric combined blast gate for subway according to claim 3, wherein: the transmission mechanism (8) comprises a first gear (801), a second gear (802), a driven chain wheel (803), a driving chain wheel (804) and a chain (805), the first gear (801) is arranged at the end part of the driving bucket (3), the second gear (802) is fixedly connected with the driven chain wheel (803), a round rod is arranged between the second gear (802) and the driven chain wheel (803), and the second gear (802) and the driven chain wheel (803) are rotatably connected onto the frame (1) through the round rod.

5. The electric combined blast gate for subway according to claim 4, wherein: the driving chain wheel (804) is fixed on a shaft of the servo motor (5), the chain (805) is sleeved on the driven chain wheel (803) and the driving chain wheel (804), and the first gear (801) and the second gear (802) are in meshed connection.

6. The electric combined blast gate for subway according to claim 5, wherein: the first fastening screws (902) and the second fastening screws (903) are arranged on the connecting plate (901), the first fastening screws (902) and the second fastening screws (903) are arranged in a staggered mode, the connecting plate (901) is fixed on the frame (1) through the first fastening screws (902) and the second fastening screws (903), and the mounting bolts (904) are connected to the connecting plate (901).