CN215401232U - Roller supporting device for vertical spiral elevator material taking device - Google Patents

Abstract

The utility model provides a perpendicular spiral elevator is gyro wheel strutting arrangement for extracting material ware, including being annular support, be equipped with a plurality of installing ports that are used for fixed mounting gyro wheel bearing assembly in the circumferencial direction of support, gyro wheel bearing assembly includes the gyro wheel seat, the gyro wheel axle, gyro wheel and bearing, the gyro wheel seat is installed in the installing port, install the gyro wheel axle of vertical setting on the gyro wheel seat, the gyro wheel passes through the bearing housing and establishes on the gyro wheel axle, a plurality of gyro wheel bearing assembly's gyro wheel all sets up towards the center of support, make the rolling surface of a plurality of gyro wheel bearing assembly's gyro wheel form circular gyration holding surface. This scheme is through the optimization to vertical screw elevator tripper strutting arrangement, and the gyro wheel bearing subassembly that changes former antifriction bearing support into the circumference equipartition supports, makes it have water-fast, resistant burnt powder deposit, overhauls to maintain and changes simple swift, the high advantage of reliability.

Description

Roller supporting device for vertical spiral elevator material taking device

Technical Field

The utility model relates to the technical field of vertical screw elevator material taking devices, in particular to a roller supporting device for a material taking device of a vertical screw elevator.

Background

In the oil refining chemical industry, delayed coking is a heavy oil deep processing technology for converting heavy oil into gas, light and medium distillate oil and petroleum coke through deep thermal cracking. About 1000 million tons of petroleum coke are produced in China every year, and decoking and petroleum coke conveying are important links in the delayed coking process.

The scheme of coke conveying by adopting a vertical spiral elevator is that petroleum coke is crushed and then mixed with decoking water to be collected to a closed dehydration warehouse storage pool along a slope. After a certain time of dehydration, the vertical elevator runs into the storage bin to begin to turn back to take materials. When the vertical screw elevator takes materials, the screw shaft blades inside the elevator cylinder and the external material taking device are respectively driven by the two independent driving devices arranged at the top. The material taking device rotates and pressure-feeds the petroleum coke to the material taking protective barrel, and the petroleum coke is vertically lifted, taken and conveyed by the helical blades.

The external material taking device of the vertical spiral elevator scheme is supported by an upper large rolling bearing and a lower large rolling bearing. Due to the characteristics of high temperature, high humidity, much dust and the like in the dewatering bin during the material taking process, coke powder and condensed water inevitably enter the rolling bearing part after long-time operation, so that the bearing grease loss, the coke accumulation and abrasion of the roller path, overlarge operation current, frequent tripping, serious operation and even stop operation are caused. The bearing is usually replaced or cleaned by building a scaffold for the fault of the rolling bearing, the construction in high-altitude operation in a closed space is difficult, long in time and high in difficulty, and the improvement of the production efficiency of an owner is restricted.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model aims to provide a roller supporting device for a material taking device of a vertical spiral elevator. Through optimizing the support structure of the material taking device of the elevator, the rolling bearing is replaced by the roller supports uniformly distributed on the circumference, so that the device has the advantages of water resistance, coke powder deposition resistance, simple and quick maintenance and replacement, and high reliability.

In order to realize the technical purpose, the adopted technical scheme is as follows: the utility model provides a perpendicular spiral elevator is gyro wheel strutting arrangement for extracting material ware, including being annular support, be equipped with a plurality of installing ports that are used for fixed mounting gyro wheel bearing assembly in the circumferencial direction of support, gyro wheel bearing assembly includes the gyro wheel seat, the gyro wheel axle, gyro wheel and bearing, the gyro wheel seat is installed in the installing port, install the gyro wheel axle of vertical setting on the gyro wheel seat, the gyro wheel passes through the bearing housing and establishes on the gyro wheel axle, a plurality of gyro wheel bearing assembly's gyro wheel all sets up towards the center of support, make the rolling surface of a plurality of gyro wheel bearing assembly's gyro wheel form circular gyration holding surface.

The roller bearing assembly is provided with a lubricating oil path which is used for lubricating the bearing after grease is injected through the oil cup and reaches an oil path inside the roller shaft through the oil path of the roller seat.

And one side of the bearing facing outwards is provided with a bearing gland.

And a labyrinth gland with a labyrinth structure is arranged on the outer side of the bearing.

The roller shaft is fixedly provided with a check ring for preventing the roller shaft from moving.

The inner hole of the support is of a polygonal structure, the number of edges is consistent with the number of the installed roller bearing assemblies, and the polygonal plane of the inner hole is parallel to the installation surface of the roller seat.

The utility model has the beneficial effects that:

1. utilize the gyro wheel to support with getting material and protect a bearing support pipe of an organic whole of section of thick bamboo, the gyro wheel is water-fast, resistant burnt powder deposit to support by a plurality of gyro wheel bearing assembly, the reliability is higher, can carry out single change during the maintenance, and is more simple swift.

2. The roller bearing assembly is internally provided with a lubricating oil path, so that grease can be injected for lubrication when the machine is stopped or the machine is periodically overhauled, and the working efficiency is improved.

3. The bearing is arranged inside the roller, and the bearing gland and the labyrinth gland are utilized to carry out double sealing, so that the bearing is prevented from being polluted, and the use of the supporting device is prevented from being influenced.

Drawings

FIG. 1 is a cross-sectional view of the overall construction of the present invention;

FIG. 2 is a top plan view of the overall installation of the present invention;

FIG. 3 is a cross-sectional view of the roller bearing assembly of the present invention;

FIG. 4 is a top plan view of the roller bearing assembly of the present invention;

FIG. 5 is a left side elevational view of the roller bearing assembly of the present invention;

graphic notation: 1. the material taking device comprises a screw shaft, 2, a material taking protective cylinder, 3, a material taking device upper cylinder, 4, a support, 5, a roller bearing assembly, 501, a roller seat, 502, an oil cup, 503, a screw plug, 504 sealing gaskets, 505, screws, 506, a roller shaft, 507, a labyrinth gland, 508, a bearing gland, 509, a gland screw, 510, a roller, 511, a bearing spacer ring, 512, a bearing, 513, a retainer ring, 514, a connecting screw, 515, a top screw hole, 6, a material taking device lower cylinder, 7 and a bearing supporting pipe.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the roller supporting device for a vertical screw elevator reclaimer according to the present invention will be provided with reference to the accompanying drawings.

As shown in fig. 1 and 2, the main parts of the vertical screw elevator material extractor are composed of an upper material extractor cylinder 3, a support 4, a roller bearing assembly 5 and a lower material extractor cylinder 6. When the hoister takes materials, the material taking device rotates around the axis, the materials are sent to the screw shaft 1 rotating inside through the material taking head at the lowest part, and the materials are lifted and conveyed through the relative motion between the rotating screw shaft 1 and the fixed non-rotating material taking protective barrel 2. The material taking device is supported on a bearing supporting tube 7 integrated with the material taking protective barrel 2 through two groups of supports 4 which are arranged up and down and roller assemblies 5 which are uniformly distributed on the circumference, so that an original designed rolling bearing which is easy to accumulate coke is replaced.

As shown in fig. 2, the roller supporting device for the vertical screw elevator reclaimer comprises an annular support 4, wherein a plurality of mounting openings for fixedly mounting roller bearing assemblies 5 are arranged in the circumferential direction of the support 4.

The support 4 is provided with a positioning spigot and a connecting screw hole, and is connected with the upper barrel 3 of the material taking device and the lower barrel 6 of the material taking device through screws after being installed. Stepped slotted holes and screw holes for connection are uniformly distributed along the side surface of the support for installing the roller bearing assembly 5 into the support 4. The accuracy of the roller 510 supporting the bearing supporting tube 7 is ensured by processing and controlling the size of the polygonal opposite side in the support and the distance between the plane in the support notch and the polygonal plane.

The inner hole of the support 4 is of a polygonal structure, the number of edges is consistent with the number of the installed roller bearing assemblies 5, the polygonal plane of the inner hole is parallel to the installation surface of the roller seat 501, and the processing and the measurement are convenient.

As shown in fig. 3 and 4, the roller bearing assembly 5 of the present invention is composed of a main roller seat 501, a roller shaft 506, a labyrinth gland 507, a bearing gland 508, a roller 510, a bearing spacer 511, a bearing 512, and a retainer ring 513. The roller bearing assembly 5 can be repeatedly used, supports with different sizes are selected according to different material taking device sizes, the roller bearing assembly 5 is installed to form a supporting surface with the size matched with that of the bearing supporting pipe 7, the roller bearing assembly 5 comprises a roller seat 501, a roller shaft 506, a roller 510 and a bearing 512, the roller seat 501 is installed in the installation opening, the roller shaft 506 is vertically arranged on the roller seat 501, the roller 510 is sleeved on the roller shaft 506 through the bearing 512, the roller 510 and a bearing outer ring can rotate, the bearing inner ring and the roller shaft 506 do not rotate, the rollers 510 of the roller bearing assemblies 5 are all arranged towards the center of the support 4, the rolling surfaces of the rollers 510 of the roller bearing assemblies 5 form a circular rotary supporting surface, and the rotary supporting surface supports the bearing supporting pipe 7.

As shown in FIG. 3, the roller seat 501 has a lubrication channel, the end of the channel is sealed by a screw 505, and during lubrication maintenance, external grease enters the lubrication channel inside the roller shaft 506 through the oil cup 502 via the oil channel of the roller seat 501, thereby completing the lubrication of the bearing 512. The grease pouring port cup 502 provided on the outer side is protected by a plug screw 503 and a gasket 504.

As shown in fig. 3, two bearings 512 with single-side dust cap design are installed inside the roller 510, the bearing gland 508 is fixed on the roller 510 through a gland screw 509, a bearing spacer ring 511 with an oil hole is arranged between the inner rings of the bearings for lubrication and oil injection, and the roller 510 performs the anti-pollution protection on the bearings 512 again through a labyrinth seal composed of a labyrinth gland 507 and the bearing gland 508. Finally, the retainer ring 513 limits the axial displacement of the roller shaft 506 to prevent the roller shaft 506 from moving.

As shown in fig. 4, the roller seat 501 is a "convex" structure, and the shape of the roller seat matches with the stepped notches uniformly distributed on the circumference of the support 4, and the roller seat is installed in the notches of the support 4 through the connecting screws 514.

As shown in fig. 5, a screw hole 515 for disassembly is provided between the screw holes of the roller seat 501, which facilitates the repair and replacement thereof.

It should be noted that while the utility model has been described in terms of the above-mentioned embodiments, other embodiments are also possible. It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the utility model, and it is intended that all such changes and modifications be covered by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a perpendicular screw elevator is gyro wheel strutting arrangement for extracting material ware which characterized in that: including being annular support (4), be equipped with a plurality of installing ports that are used for fixed mounting gyro wheel bearing subassembly (5) in the circumferencial direction of support (4), gyro wheel bearing subassembly (5) are including gyro wheel seat (501), gyro wheel axle (506), gyro wheel (510) and bearing (512), install in the installing port gyro wheel seat (501), install vertical gyro wheel axle (506) that set up on gyro wheel seat (501), gyro wheel (510) are established on gyro wheel axle (506) through bearing (512) cover, gyro wheel (510) of a plurality of gyro wheel bearing subassemblies (5) all set up towards the center of support (4), the rolling surface that makes gyro wheel (510) of a plurality of gyro wheel bearing subassemblies (5) forms circular gyration holding surface.

2. The roller support assembly of claim 1 for a vertical screw elevator reclaimer, wherein: the roller bearing assembly (5) is provided with a lubricating oil path which is used for lubricating the bearing (512) after grease is injected through the oil cup (502) and reaches an oil path inside the roller shaft (506) through the oil path of the roller seat (501).

3. The roller support assembly of claim 1 for a vertical screw elevator reclaimer, wherein: and a bearing gland (508) is arranged on the outward side of the bearing (512).

4. A roller support assembly for a vertical screw elevator reclaimer according to claim 1 or 3, wherein: a labyrinth gland (507) with a labyrinth structure is arranged on the outer side of the bearing (512).

5. The roller support assembly of claim 1 for a vertical screw elevator reclaimer, wherein: the roller shaft (506) is fixedly provided with a retaining ring (513) for preventing the roller shaft (506) from moving.

6. The roller support assembly of claim 1 for a vertical screw elevator reclaimer, wherein: the inner hole of the support (4) is of a polygonal structure, the number of edges is consistent with the number of the installed roller bearing assemblies (5), and the polygonal plane of the inner hole is parallel to the installation surface of the roller seat (501).

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