Efficient air-locking material rake sealing device convenient to install

Abstract

The utility model provides an efficient airlock material rake sealing device convenient to install, which comprises a shell, a fixing hole is formed in the middle of the front surface of the shell, a material rake shaft is arranged in the fixing hole, a limiting groove communicated with the fixing hole is formed in one end, close to the surface of the shell, of the fixing hole, and the limiting groove is communicated with the material rake shaft. A limiting groove is formed in the shell, a sealing ring connected with the material rake shaft in a sealed mode is arranged in the limiting groove, a fixing flange is arranged on the surface, close to the circumferential direction of the fixing hole, of the shell, an air inlet hole is formed in the shell, a baffle is arranged in the shell, and a transmission mechanism is arranged at one end of the baffle. The transmission mechanism drives the baffle to move at the position of the air inlet hole so as to control the air inlet hole to be closed or opened, the limiting groove is formed, after the sealing ring is placed in the limiting groove, the sealing ring and the material rake shaft can be accurately installed in place, so that the sealing ring and the material rake shaft are connected in a sealed mode, and the sealing effect is good. And the sealing device is more convenient to install.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing structures, in particular to a material rake sealing device which is easy to install and can efficiently lock air. Background Art

[0002] The material rake is an important component in the SCR denitration equipment. One end of the material rake extends into the interior of the equipment and is connected to the denitration equipment through a sealing device. Oxygen and other gases are required in the denitration reaction process, so the existing material rake sealing device requires good airtightness. The main structure of the existing material rake sealing device includes a material rake fixing structure and a gas leakage prevention structure. The existing material rake sealing device has a simple structural design. During installation, the sealing structure and the material rake shaft are often not sealed and connected, resulting in poor airtightness of the sealing device, which makes the sealing device inconvenient to install. Utility Model Content

[0003] The problem that the utility model aims to solve is that the sealing device is inconvenient to install.

[0004] In order to solve the above technical problems, the utility model provides a material rake sealing device which is easy to install and has high efficiency in locking air, comprising a shell, a fixing hole is provided in the middle of the front side of the shell, a material rake shaft is arranged inside the fixing hole, a limiting groove which is connected to the fixing hole is provided at one end of the fixing hole close to the shell surface, a sealing ring which is sealingly connected to the material rake shaft is arranged inside the limiting groove, a fixing flange is circumferentially provided on the surface of the shell close to the fixing hole, an air inlet is provided on the shell, a baffle is provided inside the shell, a transmission mechanism is provided at one end of the baffle, and the transmission mechanism drives the baffle to move at the air inlet, thereby controlling the air inlet to be closed or opened.

[0005] Preferably, the transmission mechanism includes a bracket, a connecting rod connected to the top of the bracket and a driving device, the bracket is installed on the top of the baffle, and the top of the connecting rod passes through the top of the shell and is installed on the driving device.

[0006] Preferably, there are two air inlet holes, which are symmetrically arranged on both sides of the shell with respect to the fixing hole.

[0007] Preferably, an air duct connected to the air inlet is provided inside the shell, and a heat dissipation air hole is provided on one side of the air duct close to the output end of the material rake shaft.

[0008] Preferably, a plurality of partitions spaced at equal distances are provided in the air inlet, and the baffle is provided with connecting holes corresponding to the partitions.

[0009] Preferably, a support track is provided at one end of the air duct, and sliding blocks slidably connected to the support track are provided on both sides of the baffle.

[0010] Preferably, the driving device comprises an electric push rod, and an output end of the driving device is vertically oriented toward the housing.

[0011] Preferably, the fixing flange is bolt-mounted and matched with the housing through a plurality of threaded holes provided on the housing.

[0012] Preferably, one end of the sealing ring away from one end of the limiting groove abuts against the surface of the fixing flange.

[0013] Compared with the prior art, the utility model provides a material rake sealing device that is easy to install and has high efficiency in air locking, and has the following beneficial effects:

[0014] 1. The utility model can make the sealing ring firmly fixed between the material rake shaft and the fixing hole by setting the limiting groove. Since the size of the sealing ring matches the limiting groove, after the sealing ring is placed inside the limiting groove, the material rake shaft is fixed. The sealing ring can be accurately installed in place with the material rake shaft, so that the sealing ring and the material rake shaft are sealed and connected, and the installation of the sealing device is more convenient. By setting the transmission mechanism and the baffle, the baffle is driven to move by the transmission mechanism, thereby effectively locking the wind from the shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is an exploded view of the main structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the main structure of the utility model;

[0017] Figure 3 It is a schematic diagram of the transmission mechanism structure of the utility model;

[0018] Figure 4 It is a schematic diagram of the support track structure of the utility model.

[0019] In the figure: 1. Shell; 2. Fixing hole; 3. Limiting groove; 4. Fixing flange; 5. Air inlet hole; 6. Baffle; 7. Transmission mechanism; 71. Bracket; 72. Connecting rod; 8. Air duct; 9. Heat dissipation hole; 10. Partition; 11. Connecting hole; 12. Support rail; 13. Slider; 14. Threaded hole. DETAILED DESCRIPTION

[0020] The utility model relates to a material rake sealing device which is easy to install and has high efficiency in locking air. Figure 1-4As shown, it includes a shell 1, a fixing hole 2 is provided in the middle of the front side of the shell 1, a material rake shaft is arranged inside the fixing hole 2, a limiting groove 3 connected with the fixing hole 2 is provided at one end of the fixing hole 2 close to the surface of the shell 1, a sealing ring for sealingly connecting the material rake shaft is arranged inside the limiting groove 3, a fixing flange 4 is circumferentially provided on the surface of the shell 1 close to the fixing hole 2, an air inlet hole 5 is provided on the shell 1, a baffle 6 is provided inside the shell 1, a transmission mechanism 7 is provided at one end of the baffle 6, the transmission mechanism 7 drives the baffle 6 to move at the air inlet hole 5, so as to control the air inlet hole 5 to be closed or opened, by setting the shell 1, the material rake shaft is fixed to the middle part of the shell 1, the material rake shaft and the denitrification equipment are installed, the interior of the shell 1 is a cavity, by setting the fixing hole 2, the fixing hole 2 passes through the shell 1, and the shell 1 is sleeved on the material rake shaft through the fixing hole 2 On the top, by setting the limiting groove 3, the sealing ring can be firmly fixed between the material rake shaft and the fixing hole 2. Since the size of the sealing ring matches the limiting groove 3, after the sealing ring is placed inside the limiting groove 3, the material rake shaft is fixed, the sealing ring can be accurately installed in place with the material rake shaft, so that the sealing ring and the material rake shaft are sealed and connected, and the installation of the sealing device is more convenient. By setting the fixing flange 4, the fixing flange 4 and the shell 1 are installed and fixed, and the sealing ring is pressed against the material rake shaft, and the material rake shaft and the shell 1 are fixed at the same time. By setting the air inlet hole 5, the flowing air enters the air inlet hole 5, passes through the shell 1, and cools the shell 1. By setting the baffle 6 and the transmission mechanism 7, the transmission mechanism 7 drives the baffle 6 to move, so as to control the opening or closing of the air inlet hole 5, thereby effectively locking the air inlet hole 5. The wind source is set at the end away from the output end of the material rake shaft.

[0021] In an embodiment of the utility model, the transmission mechanism 7 includes a bracket 71, a connecting rod 72 connected to the top of the bracket 71, and a driving device. The bracket 71 is installed on the top of the baffle 6, and the top of the connecting rod 72 passes through the top of the shell 1 and is installed on the driving device. By setting the bracket 71 and the connecting rod 72, the driving device drives the connecting rod 72 to move, the connecting rod 72 drives the bracket 71 to move, and the bracket 71 drives the baffle 6 to move, thereby effectively driving the baffle 6 to move.

[0022] In the embodiment of the utility model, there are two air inlet holes 5 which are symmetrically opened on both sides of the shell 1 with respect to the fixing hole 2. By setting two air inlet holes 5, the two sides of the shell 1 are respectively connected with the flowing air, thereby improving the cooling effect of the sealing device.

[0023] In an embodiment of the utility model, an air duct 8 connected with the air inlet hole 5 is arranged inside the shell 1, and a heat dissipation hole 9 is opened on one side of the air duct 8 close to the output end of the material rake shaft. By arranging the air duct 8 and the heat dissipation hole 9, flowing air enters the air duct 8 from the air inlet hole 5, so that the flowing air passes through the shell 1, and a part of the flowing air moves toward the material rake shaft through the heat dissipation hole 9, thereby cooling the material rake shaft.

[0024] In an embodiment of the utility model, a plurality of partitions 10 spaced at equal distances are arranged in the air inlet 5, and a connecting hole 11 corresponding to the partition 10 is opened on the baffle 6. By arranging the partition 10 and the connecting hole 11, the partition 10 can block impurities and foreign objects from entering the air duct 8, and the shell 1 can lock the air by staggering or aligning the connecting hole 11 and the air inlet 5.

[0025] In an embodiment of the utility model, a support rail 12 is provided at one end of the air duct 8, and sliders 13 slidably connected to the support rail 12 are provided on both sides of the baffle 6. By providing the support rail 12 and the slider 13, the baffle 6 slides on the support rail 12, so that the baffle 6 moves stably on the support rail 12, thereby enhancing the stability of the baffle 6.

[0026] In an embodiment of the utility model, the driving device includes an electric push rod, and the output end of the driving device is perpendicular to the shell 1. By setting the electric push rod and utilizing the connection between the telescopic end of the electric push rod and the connecting rod 72, the connecting rod 72 is driven to move in a direction perpendicular to the shell 1.

[0027] In the embodiment of the utility model, the fixing flange 4 is bolted to the shell 1 through a plurality of threaded holes 14 provided on the shell 1. By providing the threaded holes 14, the fixing flange 4 is threadedly connected with the threaded holes 14 through the bolts, thereby achieving installation and fixation of the fixing flange 4 and the shell 1.

[0028] In the embodiment of the utility model, one end of the sealing ring away from the limiting groove 3 abuts against the surface of the fixed flange 4. By setting the above structure, the fixed flange 4 and the sealing ring are pressed tightly, so that the sealing ring and the material rake shaft are sealed and connected.

[0029] When in use, first, install the sealing device and the material rake shaft, sleeve the material rake shaft in the fixing hole 2, and set the sealing ring in the limiting groove 3, so that the sealing ring and the material rake shaft are sealed and connected, and then the fixing flange 4 is sleeved on both ends of the material rake shaft, and is threadedly connected through bolts and threaded holes 14, so that the fixing flange 4 and the shell 1 are installed and fixed, and the wind source and the driving device are started. The driving device drives the connecting rod 72 to move, and the connecting rod 72 drives the bracket 71 to move, and the bracket 71 drives the baffle 6 to move, and the slider 13 slides in the supporting rail 12, so that the connecting hole 11 and the air inlet hole 5 correspond to each other, and the flowing air enters the air duct 8 from the air inlet hole 5 and then enters the connecting hole 11, and is then discharged from the other end of the shell 1, and a part of the flowing air enters the material rake shaft from the heat dissipation air hole 9, and the driving device drives the connecting rod 72, so that the connecting hole 11 and the air inlet hole 5 are misaligned, and the flowing air cannot pass through the baffle 6.

[0030] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A material rake sealing device that is easy to install and has high efficiency in air locking, comprising a housing (1), characterized in that: A fixing hole (2) is provided in the middle of the front side of the shell (1), a material rake shaft is arranged inside the fixing hole (2), a limiting groove (3) communicating with the fixing hole (2) is provided at one end of the fixing hole (2) close to the surface of the shell (1), a sealing ring for sealingly connecting the material rake shaft is arranged inside the limiting groove (3), a fixing flange (4) is circumferentially arranged on the surface of the shell (1) close to the fixing hole (2), an air inlet hole (5) is provided on the shell (1), a baffle (6) is arranged inside the shell (1), a transmission mechanism (7) is arranged at one end of the baffle (6), and the transmission mechanism (7) drives the baffle (6) to move at the air inlet hole (5), thereby controlling the air inlet hole (5) to be closed or opened.

2. A material rake sealing device that is easy to install and has high efficiency in air lock according to claim 1, characterized in that: The transmission mechanism (7) comprises a bracket (71), a connecting rod (72) connected to the top of the bracket (71), and a driving device; the bracket (71) is mounted on the top of the baffle (6); the top of the connecting rod (72) passes through the top of the shell (1) and is mounted on the driving device.

3. A material rake sealing device that is easy to install and has high efficiency in air lock according to claim 2, characterized in that: There are two air inlet holes (5) which are symmetrically arranged on both sides of the housing (1) with respect to the fixing hole (2).

4. A material rake sealing device that is easy to install and has high efficiency in air lock according to claim 3, characterized in that: An air duct (8) communicating with the air inlet hole (5) is arranged inside the housing (1), and a heat dissipation air hole (9) is provided on one side of the air duct (8) close to the output end of the material rake shaft.

5. A material rake sealing device that is easy to install and has high efficiency in air lock according to claim 4, characterized in that: The air inlet (5) is provided with a plurality of partitions (10) spaced at equal distances from each other, and the baffle (6) is provided with connecting holes (11) corresponding to the partitions (10).

6. A material rake sealing device that is easy to install and has high efficiency in air lock according to claim 5, characterized in that: A support track (12) is provided at one end of the air duct (8), and sliding blocks (13) slidably connected to the support track (12) are provided on both sides of the baffle (6).

7. A material rake sealing device that is easy to install and has high efficiency in air lock according to claim 2, characterized in that: The driving device comprises an electric push rod, and the output end of the driving device is vertically oriented toward the housing (1).

8. A material rake sealing device that is easy to install and has high efficiency in air locking according to any one of claims 1 to 6, characterized in that: The fixing flange (4) is bolted and fitted to the housing (1) via a plurality of threaded holes (14) provided on the housing (1).

9. A material rake sealing device that is easy to install and has high efficiency in air locking according to any one of claims 1 to 6, characterized in that: One end of the sealing ring away from the limiting groove (3) abuts against the surface of the fixing flange (4).

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