Mechanical sealing component for scraper

Abstract

The utility model provides a scrapper's mechanical seal component, including the delivery pipe, the right side of delivery pipe is fixedly connected with the protective plate, the right side of protective plate is fixedly connected with the sealing mechanism, the sealing mechanism includes the sealing pad, connecting block, screw and sealing plate, the left side of sealing pad is fixedly connected with the right side of protective plate, and the connecting block is connected with the screw. The left side of the sealing plate makes contact with the right side of the sealing gasket, the right side of the connecting block is fixedly connected to the left side of the sealing plate, the left side of the connecting block penetrates to the left side of the protection plate, and the right side of the screw penetrates through the protection plate and the sealing gasket and extends to the right side of the sealing plate. When the protection pipe and the conveying pipe are connected through the sealing mechanism, in order to prevent dust from scattering out in the using process, the sealing effect of the connecting position is improved through bolts and sealing gaskets, normal use of the device is guaranteed, a connecting block is arranged, in the assembling process, a worker can conduct butt joint conveniently, and the installation convenience of the device is improved.

Description

Technical Field

[0001] The utility model relates to a mechanical sealing component for a scraper machine, belonging to the technical field of mechanical sealing components. Background Art

[0002] A scraper conveyor is a continuous transport device that conveys bulk materials in a closed rectangular cross-section housing with the help of a moving scraper chain. It can effectively prevent material leakage and ensure the normal operation of the equipment.

[0003] A Chinese patent publication (publication number: CN 216555363 U) discloses a mechanical seal for a scraper, comprising a stationary ring assembly and a rotating ring assembly, wherein the stationary ring seat in the stationary ring assembly is fixedly connected to the flange, the stationary ring is inserted into the stationary ring seat and fixedly connected to the stationary ring seat, the stationary ring is composed of a pair of semi-stationary rings that are asymmetrically split along the axial direction and the oblique angle, the angles between the two split surfaces of each semi-stationary ring and the horizontal plane are controlled between 10° and 20° and -20° and -10° respectively, a lubricating oil passage is provided on the stationary ring seat, the gap between the stationary ring seat and the main shaft is connected to the lubricating oil passage, the stationary ring is also provided with a countersunk hole arranged along the axial direction of the main shaft, the mechanical seal also comprises a countersunk screw that is inserted into the stationary ring seat after passing through the countersunk hole; the rotating ring assembly comprises a rotating sealing ring and a spring seat, in which a spring is installed that applies a fitting force to the rotating sealing ring. The mechanical seal has a simple structure and good sealing performance. There is no dry friction between the stationary ring and the rotating sealing ring. The stationary ring adopts a pair of semi-stationary rings, which is easy to disassemble and assemble.

[0004] The existing scraper conveying pipe and the protective pipe are connected by welding. When the scraper is in use, a large amount of vibration will be generated, which will cause a gap in the connection between the protective pipe and the conveying pipe. Long-term use will cause dust to fly at the connection, causing pollution to the working environment.

[0005] Therefore, a mechanical sealing component for a scraper is proposed. Utility Model Content

[0006] In view of this, the utility model provides a mechanical sealing component for a scraper to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial option.

[0007] The technical solution of the present utility model is implemented as follows: a mechanical sealing component for a scraper, including a conveying pipe, the right side of the conveying pipe is fixedly connected to a protective plate, the right side of the protective plate is fixedly connected to a sealing mechanism, the sealing mechanism includes a sealing gasket, a connecting block, a screw and a sealing plate, the left side of the sealing gasket is fixedly connected to the right side of the protective plate, the left side of the sealing plate is in contact with the right side of the sealing gasket, the right side of the connecting block is fixedly connected to the left side of the sealing plate, the left side of the connecting block passes through to the left side of the protective plate, and the right side of the screw passes through the protective plate and the sealing gasket and extends to the right side of the sealing plate.

[0008] Further preferably, the right side of the sealing plate is connected to a protective tube, and the top of the delivery tube is fixedly connected to a support plate.

[0009] Further preferably, a servo motor is fixedly connected to the top of the support plate, and a reducer is fixedly connected to the output end of the servo motor.

[0010] Further preferably, the rear side of the reducer is fixedly connected to a rotating wheel, the rotating wheel is movably connected to the movable wheel through a belt, and the front side of the movable wheel is movably connected to a rotating column.

[0011] Further preferably, a sealing cover is movably connected to the top of the delivery pipe, a positioning block is fixedly connected to the top of the delivery pipe, a cavity is provided inside the positioning block, and a positioning mechanism is provided inside the cavity.

[0012] Further preferably, the positioning mechanism includes a pull rod and a tension spring, the front side of the pull rod passes through the front side of the positioning block, the right side of the tension spring is fixedly connected to the left side of the pull rod, the left side of the tension spring is fixedly connected to the inner side of the cavity, and the left side of the pull rod passes through the interior of the sealing cover.

[0013] Further preferably, a fixing groove is provided on the surface of the sealing cover, and the left side of the pull rod is movably connected to the inside of the fixing groove.

[0014] Further preferably, a sliding groove is provided inside the cavity, the bottom of the pull rod is fixedly connected to a sliding rod, and the bottom of the sliding rod is movably connected to the inside of the sliding groove.

[0015] The embodiment of the present invention has the following advantages due to the adoption of the above technical solution:

[0016] 1. The utility model uses a sealing mechanism to connect the protective tube and the conveying tube. In order to prevent dust from being scattered during use, bolts and sealing gaskets are used to increase the sealing effect of the connection to ensure the normal use of the device. By setting a connecting block, it is convenient for workers to connect during assembly, increasing the convenience of device installation.

[0017] 2. The utility model uses a positioning mechanism so that when the staff is inspecting the scraper, they can pull the pull rod to open the sealing cover, thereby improving the efficiency of inspection and maintenance and making it easier for the staff to use. By setting a sliding groove, the pull rod moves according to the moving track provided by the sliding groove, ensuring the normal use of the structure.

[0018] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the present invention will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0020] Figure 1 This is a schematic diagram of the three-dimensional front view structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the protective tube structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the servo motor structure of the utility model;

[0023] Figure 4 For the utility model Figure 3 A schematic diagram of the partially enlarged structure at center A;

[0024] Figure 5 This is a schematic structural diagram of the sealing cover of the present invention.

[0025] Figure numerals: 1. conveying pipe; 2. protective plate; 3. sealing mechanism; 301. sealing gasket; 302. connecting block; 303. screw; 304. sealing plate; 4. protective tube; 5. support plate; 6. servo motor; 7. reducer; 8. rotating wheel; 9. belt; 10. movable wheel; 11. rotating column; 12. sealing cover; 13. positioning block; 14. cavity; 15. positioning mechanism; 1501. pull rod; 1502. tension spring; 16. fixed groove; 17. sliding groove; 18. sliding rod. DETAILED DESCRIPTION

[0026] Hereinafter, only certain exemplary embodiments are briefly described. As will be appreciated by those skilled in the art, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and description are to be regarded as illustrative in nature and not restrictive.

[0027] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0028] Example 1

[0029] like Figure 1-3 As shown, the embodiment of the present invention provides a mechanical sealing component for a scraper, including a conveying pipe 1, a protective plate 2 is fixedly connected to the right side of the conveying pipe 1, a sealing mechanism 3 is fixedly connected to the right side of the protective plate 2, the sealing mechanism 3 includes a sealing gasket 301, a connecting block 302, a screw 303 and a sealing plate 304, the left side of the sealing gasket 301 is fixedly connected to the right side of the protective plate 2, the left side of the sealing plate 304 contacts the right side of the sealing gasket 301, the right side of the connecting block 302 is fixedly connected to the left side of the sealing plate 304, and the connecting block 30 2 penetrates to the left side of the protective plate 2, the right side of the screw 303 penetrates the protective plate 2 and the sealing gasket 301 and extends to the right side of the sealing plate 304, the right side of the sealing plate 304 is connected to the protective tube 4, the top of the conveying tube 1 is fixedly connected to the support plate 5, the top of the support plate 5 is fixedly connected to the servo motor 6, the output end of the servo motor 6 is fixedly connected to the reducer 7, the rear side of the reducer 7 is fixedly connected to the rotating wheel 8, the rotating wheel 8 is movably connected to the movable wheel 10 through the belt 9, and the front side of the movable wheel 10 is movably connected to the rotating column 11.

[0030] When the protective tube 4 is connected to the delivery tube 1 through the sealing mechanism 3, in order to prevent dust from being scattered during use, the bolts and the sealing gasket 301 are used to increase the sealing effect of the connection to ensure the normal use of the device. By setting the connecting block 302, it is convenient for the staff to dock during assembly, thereby increasing the convenience of device installation.

[0031] Example 2

[0032] like Figure 3-5As shown, in one embodiment, the top of the conveying pipe 1 is movably connected to a sealing cover 12, and the top of the conveying pipe 1 is fixedly connected to a positioning block 13, a cavity 14 is provided inside the positioning block 13, and a positioning mechanism 15 is provided inside the cavity 14. The positioning mechanism 15 includes a pull rod 1501 and a tension spring 1502. The front side of the pull rod 1501 passes through the front side of the positioning block 13, the right side of the tension spring 1502 is fixedly connected to the left side of the pull rod 1501, the left side of the tension spring 1502 is fixedly connected to the inner side of the cavity 14, the left side of the pull rod 1501 passes through the interior of the sealing cover 12, a fixed groove 16 is provided on the surface of the sealing cover 12, the left side of the pull rod 1501 is movably connected to the inside of the fixed groove 16, a sliding groove 17 is provided inside the cavity 14, the bottom of the pull rod 1501 is fixedly connected to a sliding rod 18, and the bottom of the sliding rod 18 is movably connected to the inside of the sliding groove 17.

[0033] Through the positioning mechanism 15, when the staff is inspecting the scraper, they pull the pull rod 1501 to facilitate the opening of the sealing cover 12, improve the inspection and maintenance efficiency, and make it easier for the staff to use. By setting the sliding groove 17, the pull rod 1501 moves according to the moving track provided by the sliding groove 17 to ensure the normal use of the structure.

[0034] When the utility model is in operation: first, the connecting block 302 is inserted into the left side of the conveying pipe 1, and the protective tube 4 and the conveying pipe 1 are fixed by bolts. The internal sealing gasket 301 is used to increase the sealing of the connection to ensure the normal use of the device. When the scraper is inspected and maintained on a daily basis, the pull rod 1501 is pulled to the right. The pull rod 1501 moves to the right along the moving trajectory provided by the sliding groove 17 while stretching the tension spring 1502, so that the pull rod 1501 moves to the inside of the cavity 14. At this time, the sealing cover 12 can be taken out, which is convenient for the staff to inspect the inside of the scraper.

[0035] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily conceive of various modifications or substitutions within the technical scope disclosed in the present invention, and such modifications or substitutions are intended to be within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be based on the scope of protection of the claims.

Claims

1. A mechanical sealing component for a scraper, comprising a delivery pipe (1), characterized in that: The right side of the delivery pipe (1) is fixedly connected to a protective plate (2), and the right side of the protective plate (2) is fixedly connected to a sealing mechanism (3). The sealing mechanism (3) comprises a sealing gasket (301), a connecting block (302), a screw (303) and a sealing plate (304). The left side of the sealing gasket (301) is fixedly connected to the right side of the protective plate (2), and the left side of the sealing plate (304) contacts the right side of the sealing gasket (301). The right side of the connecting block (302) is fixedly connected to the left side of the sealing plate (304). The left side of the connecting block (302) passes through the left side of the protective plate (2), and the right side of the screw (303) passes through the protective plate (2) and the sealing gasket (301) and extends to the right side of the sealing plate (304).

2. A mechanical sealing component for a scraper according to claim 1, characterized in that: The right side of the sealing plate (304) is connected to a protection tube (4), and the top of the delivery tube (1) is fixedly connected to a support plate (5).

3. The mechanical sealing component for a scraper according to claim 2, characterized in that: The top of the support plate (5) is fixedly connected to a servo motor (6), and the output end of the servo motor (6) is fixedly connected to a speed reducer (7).

4. The mechanical sealing component for a scraper according to claim 3, characterized in that: The rear side of the speed reducer (7) is fixedly connected to a rotating wheel (8), the rotating wheel (8) is movably connected to a movable wheel (10) via a belt (9), and the front side of the movable wheel (10) is movably connected to a rotating column (11).

5. The mechanical sealing component for a scraper according to claim 1, characterized in that: The top of the delivery pipe (1) is movably connected to a sealing cover (12), the top of the delivery pipe (1) is fixedly connected to a positioning block (13), a cavity (14) is provided inside the positioning block (13), and a positioning mechanism (15) is provided inside the cavity (14).

6. The mechanical sealing component for a scraper according to claim 5, characterized in that: The positioning mechanism (15) includes a pull rod (1501) and a tension spring (1502), the front side of the pull rod (1501) extends to the front side of the positioning block (13), the right side of the tension spring (1502) is fixedly connected to the left side of the pull rod (1501), the left side of the tension spring (1502) is fixedly connected to the inner side of the cavity (14), and the left side of the pull rod (1501) extends to the interior of the sealing cover (12).

7. The mechanical sealing component for a scraper according to claim 6, characterized in that: A fixing groove (16) is provided on the surface of the sealing cover (12), and the left side of the pull rod (1501) is movably connected to the inside of the fixing groove (16).

8. The mechanical sealing component for a scraper according to claim 6, characterized in that: A sliding groove (17) is provided inside the cavity (14), and the bottom of the pull rod (1501) is fixedly connected to a sliding rod (18), and the bottom of the sliding rod (18) is movably connected to the inside of the sliding groove (17).

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