Rack type electric gate valve with actuator

Abstract

The rack type electric gate valve comprises a valve plate and a valve body, roller shafts are sequentially installed on the two opposite inner walls of the valve body in the direction perpendicular to the axis of a flue, and guide wheels used for guiding the valve plate are installed at the two ends of each roller shaft. Racks used for controlling the valve body to move in the flue direction are arranged on the two sides of the valve body and are driven by gears, and the gears on the two sides of the valve body are connected with the output end of a gear motor which is fixed to one side of the valve body and provided with an actuator and are driven by the gear motor. According to the gate valve, the gear motor of the swing belt actuator is selected for the driving transmission device module, the gate advancing function can be achieved in the environment with the relatively compact position, the size is small, other external space is not occupied, installation is convenient, and the gate valve is used more widely in the environment with the high function requirement. The size of the valve can be adjusted, the opening degree is displayed, and a central controller can be connected.

Description

Technical Field

[0001] The utility model relates to the technical field of electric gate valves, and specifically relates to a rack-type electric gate valve with an actuator. Background Art

[0002] After the fuel in the boiler burns, a large amount of dusty flue gas will be generated. At this time, a dust collector is required for dust removal treatment. When the flue gas reaches the emission standard, it is introduced into the chimney by an induced draft fan and discharged into the atmosphere. When the boiler is in operation, the bypass flue needs to be closed. When the boiler is shut down for maintenance, the main flue needs to be closed to prevent the atmosphere from being sucked back into the boiler from the chimney. Currently, this is mainly achieved by installing an electric disc device on the flue. However, for the electric disc device, its external dimensions and opening height are relatively large, and a large installation space is required. Moreover, due to its weight limitation, a large number of machining parts need to be designed in the mechanical structure for support during installation. Content of the Utility Model

[0003] In order to solve the problems existing in the prior art, the utility model proposes a rack-type electric gate valve with an actuator, which can effectively save the required space in the case of a relatively compact installation position, can adjust the valve size in an environment with high functional requirements, and has a display of the opening degree of the gate valve, and can be connected to the central control for convenient remote operation.

[0004] Specifically, the utility model is as follows:

[0005] A rack-type electric gate valve with an actuator, which comprises: a valve body, a valve plate, a guiding part, a driving part and a transmission part. The valve plate is arranged in the middle of the valve body. Guiding parts for guiding the valve plate are arranged on both sides of the valve body. The guiding parts are installed directly below the valve plate. Transmission parts for controlling the valve plate to move in a direction perpendicular to the axis of the flue are arranged on both sides of the valve body. A driving part for providing power to the transmission part is arranged on one side of the valve body.

[0006] The guiding part includes rolling guiding rollers and roller shafts. The roller shafts are installed at the openings on both sides of the valve body and are fastened by bolts. Guiding rollers are installed at both ends of the roller shafts.

[0007] The guiding rollers are installed directly below the valve plate and slide on the inner side of the valve body.

[0008] The driving part includes a reduction motor with an actuator, a coupling, a rotating shaft, a bearing seat and a fixing plate.

[0009] The reduction motor with an actuator is installed on one side of the valve body through the fixing plate. The output end of the reduction motor with an actuator is connected to the rotating shaft through the coupling. The bearing seat is installed above the valve body. The rotating shaft passes through the bearing seat and is fixed on the valve body.

[0010] The transmission part includes a gear, a rack, and a rack support and guiding component.

[0011] The rack is arranged on both sides of the valve body through the rack support and guiding component, and the direction of the rack is the direction of the flue axis.

[0012] The gear passes through the rotating shaft and is arranged directly above the rack.

[0013] The beneficial effects are as follows:

[0014] Using an electric gate valve with an actuator as the power driving part is more commonly used in environments with high functional requirements. The functional requirements that can be met are: the valve size can be adjusted, there is an opening degree display, and it can be connected to the central control.

[0015] The double-rack transmission mechanism can improve the synchronization of the movement on both sides of the valve plate, avoiding the valve plate jamming phenomenon caused by force deviation and resistance deviation. Moreover, the rack transmission mechanism can automatically and effectively remove the dust accumulated on the transmission components in a timely manner through the relative movement of the pin-and-rack mechanism during the working process. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0017] Figure 1 It is a schematic structural diagram of a rack-type electric gate valve with an actuator in an embodiment of the present application;

[0018] Description of the reference numerals in the drawings:

[0019] 1. Valve body;

[0020] 2. Valve plate;

[0021] 3. Guiding part; 31. Guiding roller; 32. Roller shaft;

[0022] 4. Driving part; 41. Reduction motor with an actuator; 42. Rotating shaft; 43. Bearing seat; 44. Fixed plate

[0023] 5. Transmission part; 51. Gear; 52. Rack; 53. Rack support and guiding component. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] The following will be combined with Figure 1The embodiments of the technical solution of this application will be described in detail. The following embodiments are only used to more clearly illustrate the technical solution of this application, so they are only used as examples and cannot be used to limit the protection scope of this application. In addition, the technical features involved in the various embodiments of this application described below can be combined with each other as long as they do not conflict with each other.

[0025] As Figure 1 Figure 1 shows a rack-type electric gate valve with an actuator according to this application, which includes: a valve body 1, a valve plate 2, a guiding part 3, a driving part 4 and a transmission part 5. The valve plate 2 is arranged in the middle of the valve body 1. Guiding parts 3 for guiding the valve plate 2 are arranged on both sides of the valve body 1. The guiding part 3 is installed directly below the valve plate 2. Transmission parts 5 for controlling the valve plate 2 to move in a direction perpendicular to the axis of the flue are arranged on both sides of the valve body 1. A driving part 4 for providing power to the transmission part 5 is arranged on one side of the valve body 1.

[0026] In an embodiment of this application, the valve body 1 serves as a supporting component for installing and fixing the valve plate 2, the guiding part 3, the driving part 4 and the transmission part 5. The guiding part 3 includes: guiding rollers 31 and roller shafts 32. The roller shafts 32 are installed on both sides of the valve body 1 along the axis of the flue through bolt fasteners. Rollers 31 are installed on both sides of the roller shafts. The rollers 31 are placed below the valve plate 2 and roll inside the opposite sides of the valve body 1.

[0027] The transmission part 5 includes a gear 51, a rack 52 and a rack support and guiding component 53. Optionally, the rack 52 is fixed and guided by the rack support and guiding component 53 fixed to the valve body 1 or other components that can fix the rack to the valve body. The gear 51 is installed directly above the rack 52.

[0028] The driving part 4 includes a reduction motor 41 with an actuator, a coupling 42, a rotating shaft 43, a bearing seat 44 and a fixing plate 45.

[0029] Further, continue to refer to Figure 1 , the reduction motor 41 with an actuator is installed on one side of the valve body 1 through the fixing plate 45. The output end of the reduction motor 41 with an actuator is connected to the rotating shaft 43 through the coupling 42. The bearing seat 44 is installed above the valve body 1. The rotating shaft 43 passes through the bearing seat 44 and is fixed to the valve body 1.

[0030] The gear 51 is installed on the rotating shaft 43 of the driving part 4. The rotating shaft 43 is connected to the output end of the reduction motor 41 with an actuator through the coupling 42. The gear 51 is driven by the reduction motor 41 with an actuator to realize the movement of the valve plate 2 along the axis of the flue.

[0031] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A rack-type electric gate valve with an actuator, characterized in that, Comprising: A valve body (1), a valve plate (2), a guiding part (3), a driving part (4) and a transmission part (5). The valve plate (2) is arranged in the middle of the valve body (1). On both sides of the valve body (1), there are guiding parts (3) for guiding the valve plate (2). The guiding parts (3) are installed directly below the valve plate (2). On both sides of the valve body (1), there are transmission parts (5) for controlling the valve plate (2) to move in a direction perpendicular to the axis of the flue. On one side of the valve body (1), there is a driving part (4) for providing power to the transmission part (5).

2. The rack-type electric gate valve with an actuator according to claim 1, characterized in that, The guiding part (3) includes guiding rollers (31) and roller shafts (32).

3. The rack-type electric gate valve with an actuator according to claim 2, characterized in that, The roller shafts (32) are installed at the openings on both sides of the valve body (1) and are fastened by bolts. At both ends of the roller shafts (32), guiding rollers (31) are installed.

4. The rack-type electric gate valve with an actuator according to claim 2, characterized in that, The guiding rollers (31) are installed directly below the valve plate (2) and slide inside the valve body (1).

5. The rack-type electric gate valve with an actuator according to claim 1, characterized in that, The driving part (4) includes a reduction motor with an actuator (41), a coupling (42), a rotating shaft (43), a bearing seat (44) and a fixing plate (45).

6. The rack-type electric gate valve with an actuator according to claim 5, wherein, The reduction motor with an actuator (41) is installed on one side of the valve body (1) through the fixing plate (45). The output end of the reduction motor with an actuator (41) is connected to the rotating shaft (43) through the coupling (42). The bearing seat (44) is installed above the valve body (1). The rotating shaft (43) passes through the bearing seat (44) and is fixed on the valve body (1).

7. The rack-type electric gate valve with an actuator according to claim 5 or 6, characterized in that, The transmission part (5) includes a gear (51), a rack (52) and a rack support and guiding component (53).

8. The rack type electric gate valve with an actuator according to claim 7, characterized in that, The rack (52) is arranged on both sides of the valve body (1) through the rack support and guiding component (53). The direction of the rack (52) is the direction of the axis of the flue.

9. The rack-type electric gate valve with an actuator according to claim 7, characterized in that The gear (51) passes through the rotating shaft (43) and is arranged directly above the rack (52).

Images