Middle suspension bearing of screw conveyer

Abstract

The utility model relates to a middle suspension bearing of a screw conveyer, which comprises a suspension bearing seat, the suspension bearing seat is provided with an accommodating cavity, a connecting block is arranged in the center of the accommodating cavity, and the connecting block is connected with the accommodating cavity through a plurality of rotating bearings. Butt joint flanges are arranged on the portions, located on the two sides of the suspension bearing seat, of the connecting block through a fixing structure so that the rotating bearing can drive the butt joint flanges to rotate, and a sealing structure is further arranged between the rotating bearing and the connecting block. The matching of the butt-joint flange plate, the connecting block and the rotating bearing replaces the traditional mode that a connecting shaft penetrates through a suspension bearing seat to be rotationally connected, the rotating bearing serves as a rotating medium and does not need to be maintained frequently, meanwhile, the suspension bearing seat cannot be abraded after long-term use, so that the production of equipment cannot be affected, and the production stability is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical technical field, concretely relates to a hoisting bearing in screw conveyor. BACKGROUND

[0002] The hoisting bearing in the screw conveyor is a key component, which is usually installed at the middle part of the screw shaft and mainly composed of a bearing seat, a bearing bush, a lubricating device and the like. The hoisting bearing serves to support and fix the screw shaft, reduce the frictional resistance of the screw shaft during rotation, and ensure that the screw shaft can rotate smoothly around the central shaft, so that the screw conveyor can efficiently convey materials. Meanwhile, the good sealing performance can prevent the materials and dust from entering the bearing interior, thereby affecting the normal operation and service life of the bearing.

[0003] The hoisting bearing structure of the screw conveyor disclosed in the publication No. CN108569522A includes a connecting shaft, a framework rubber oil seal, a suspension bearing seat, an angle steel, a suspension bearing, a radial spherical ball bearing, a felt ring, an angle steel support, a connecting bolt, a shaft bushing and a hanger seat. The connecting shaft penetrates the suspension bearing seat, the suspension bearing seat is provided with the framework rubber oil seal and the felt ring, the suspension bearing penetrates the suspension bearing seat, the angle steel support is provided with the angle steel, the angle steel support is connected with the angle steel by welding, the suspension bearing is provided with the connecting bolt, the connecting bolt is connected with the hanger seat, the hanger seat is provided with the radial spherical ball bearing, the radial spherical ball bearing is provided with the shaft bushing, and the shaft bushing is arranged on the connecting shaft. However, the technology is connected by penetrating the suspension shaft into the suspension bearing seat through the connecting shaft. This connection mode needs long-term lubrication and maintenance. If the maintenance is not good, the rotating shaft will be greatly worn, thereby affecting the normal operation of the entire screw conveyor. Therefore, the technology still has certain improvement space. SUMMARY

[0004] The utility model relates to the technical problem that the utility model wants to solve is in view of the deficiency of above -mentioned prior art, provides a hoisting bearing in screw conveyor.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme, a hoisting bearing in screw conveyor, including suspension bearing seat, its characterized in that: the suspension bearing seat is set up with containing cavity, the containing cavity center is equipped with connecting block, connecting block and containing cavity are connected through setting up a plurality of rotary bearing, connecting block is located suspension bearing seat both sides through fixed structure and is equipped with butt joint flange disc and makes rotary bearing can drive butt joint flange rotation, rotary bearing and connecting block still are equipped with sealing structure between.

[0006] By adopting the above technical solution, the cavity of the suspension bearing housing and the connecting block are connected by a rotating bearing, which enables the connecting block to rotate and connect with the suspension bearing housing. At the same time, the connecting block has docking flanges on both sides through a fixed structure, which enables the rotating bearing to drive the docking flanges to rotate. The docking flanges are connected to the equipment, which enables the screw conveyor to rotate stably. The cooperation of the docking flanges, connecting blocks and rotating bearings replaces the traditional method of connecting shafts passing through the suspension bearing housing for rotational connection. The rotating bearing, as the medium of rotation, does not require frequent maintenance and will not cause wear to the suspension bearing housing under long-term use, thus affecting the production of the equipment and ensuring the stability of production.

[0007] The aforementioned type of suspension bearing in a screw conveyor can be further configured such that: the fixing structure includes an embedded mounting groove in the center of the docking flange, and both the embedded mounting groove and the fixing block are provided with fixing holes for fixing the screw; the docking flange is fixedly installed on both sides of the suspension bearing seat by bolts.

[0008] By adopting the above technical solution, an embedded mounting groove is opened in the center of the docking flange, and mounting grooves for fixing screws are set on the fixing block and the docking flange. This ensures the stable fixing of the docking flanges on both sides of the suspension bearing housing, guarantees the tight connection between the docking flange and the suspension bearing housing, and also enhances the structural stability of the entire suspension bearing assembly.

[0009] The aforementioned type of suspension bearing in a screw conveyor can be further configured as follows: the sealing structure includes an abutment block disposed within a receiving cavity by a mating flange, a sealing groove formed between the abutment block and the suspension bearing seat, a skeleton oil seal disposed within the sealing groove, a first retaining ring groove provided within the sealing groove of the suspension bearing seat, a retaining ring for a hole disposed within the first retaining ring groove, a second retaining ring groove formed between the rotating bearings, and a retaining ring for a shaft disposed within the second retaining ring groove.

[0010] By adopting the above technical solution, a sealing groove is formed between the mating flange and the suspension bearing housing, and a skeleton oil seal is installed in the groove, which effectively prevents external material dust from entering the bearing and prevents lubricating oil leakage, thus ensuring good lubrication of the bearing. The first and second retaining ring grooves are respectively set between the suspension bearing housing and the rotating bearing, which enhances the sealing effect and provides an additional protective layer. The installation of the bore retaining ring and the shaft retaining ring further improves the sealing performance, ensuring the stability and durability of the bearing during long-term use.

[0011] The aforementioned type of spiral conveyor bearing can be further configured such that: the connecting block is provided with positioning grooves on both sides of the docking flange and the docking flange is provided with positioning grooves on one side of the connecting block, and positioning keys are installed in the positioning grooves to enable the docking flange to be positioned and installed.

[0012] By adopting the above technical solution, a positioning groove is set between the connecting block and the mating flange, and a positioning key is installed in the groove. This ensures that the mating flange can be accurately installed on the connecting block, avoiding errors and shaking during the installation process. The positioning key not only enhances the stability of the connection, but also helps to distribute the force evenly, reducing the risk of loosening caused by operational vibration or material pressure.

[0013] The aforementioned type of suspension bearing in a screw conveyor can be further configured such that: the suspension bearing seat includes an installation block for mounting a connecting block, the top of the installation block is vertically provided with a connecting pile, the top of the connecting pile is horizontally provided with a suspension plate, and the center of the suspension plate is provided with an oil nozzle.

[0014] By adopting the above technical solution, the connecting pile enhances the connection strength between the bearing housing and the equipment frame, reducing loosening caused by vibration or load changes. The suspension plate is horizontally set on the top of the connecting pile, providing an easily accessible location for the lubricating nozzle. The nozzle is located in the center of the suspension plate, allowing the lubricating oil to be evenly distributed across the entire bearing surface, improving lubrication efficiency and bearing service life.

[0015] The aforementioned type of spiral conveyor bearing can be further configured such that the outer periphery of the docking flange has several connection holes for connecting to the equipment.

[0016] By adopting the above technical solution, several connection holes are set on the outer periphery of the mating flange, which realizes convenient installation and stable connection with the equipment. The multiple connection holes increase the density of connection points and improve the stability and reliability of the overall structure.

[0017] The aforementioned type of spiral conveyor bearing can be further configured such that the rotating bearing is a deep groove ball bearing.

[0018] By adopting the above technical solution, deep groove ball bearings, with their excellent radial load capacity and low coefficient of friction, can effectively support and reduce the resistance of the screw shaft during rotation, thereby improving the stability and reliability of the entire bearing system. Deep groove ball bearings have a simple structure, are easy to install and maintain, and their good sealing performance combined with lubrication further extends the service life of the bearing, ensuring the efficient and stable operation of the screw conveyor.

[0019] The beneficial effects of this utility model are as follows: by using the mating flange, connecting block and rotating bearing to replace the traditional connecting shaft passing through the suspension bearing seat for rotational connection, the rotating bearing, as the medium of rotation, does not require frequent maintenance and will not cause wear to the suspension bearing seat under long-term use, thus affecting the production of the equipment and ensuring the stability of production. Attached Figure Description

[0020] Fig. 1 This is a schematic diagram of the structure of this utility model;

[0021] Fig. 2 This is a cross-sectional view of the structure of this utility model;

[0022] 1-Suspension bearing housing, 2-Receiving cavity, 3-Connecting block, 4-Rotating bearing, 5-Mating flange, 6-Embedded mounting groove, 7-Screw, 8-Fixing hole, 9-Abutting block, 10-Sealing groove, 11-Skeleton oil seal, 12-First retaining ring groove, 13-Hole retaining ring, 14-Second retaining ring groove, 15-Shaft retaining ring, 16-Positioning groove, 17-Positioning key, 18-Mounting block, 19-Connecting pile, 20-Suspension plate, 21-Oil nozzle, 22-Connecting hole. Detailed Implementation

[0023] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.

[0024] like Figs. 1-2 The present invention provides the following technical solution: a suspension bearing for a screw conveyor, comprising a suspension bearing seat 1, the suspension bearing seat 1 having a receiving cavity 2, a connecting block 3 at the center of the receiving cavity 2, the connecting block 3 being connected to the receiving cavity 2 by a plurality of rotating bearings 4, the connecting block 3 being fixedly located on both sides of the suspension bearing seat 1 with docking flanges 5, enabling the rotating bearings 4 to drive the docking flanges to rotate, and a sealing structure being provided between the rotating bearings 4 and the connecting block 3. The receiving cavity 2 of the suspension bearing seat 1 and the connecting block 3 are connected by rotating bearings 4, enabling the connecting block 3 to be rotatably connected to the suspension bearing seat 1. At the same time, the docking flanges 5 on both sides of the connecting block 3 are fixedly located, enabling the rotating bearings 4 to drive the docking flanges 5 to rotate. The docking flanges 5 are connected to the equipment, enabling the screw conveyor to rotate stably. The combination of block 3 and rotating bearing 4 replaces the traditional connecting shaft that passes through the suspension bearing housing 1 for rotational connection. As the rotation medium, rotating bearing 4 does not require frequent maintenance and will not cause wear to the suspension bearing housing 1 under long-term use, thus ensuring the stability of production. The fixing structure includes an embedded mounting groove 6 in the center of the docking flange 5. Both the embedded mounting groove 6 and the fixing block are provided with fixing holes 8 for fixing screws 7. The docking flange 5 is fixed to both sides of the suspension bearing housing 1 by bolts. The embedded mounting groove 6 in the center of the docking flange 5 and the mounting grooves for fixing screws 7 on the fixing block and the docking flange 5 ensure the firm fixation of the docking flange 5 on both sides of the suspension bearing housing 1, ensuring a tight connection between the docking flange 5 and the suspension bearing housing 1, and also enhancing the structural stability of the entire suspension bearing assembly.

[0025] like Figs. 1-2 The present invention provides the following technical solution: a suspension bearing for a screw conveyor, the sealing structure including a connecting flange 5 located within a receiving cavity 2 and an abutment block 9 forming a sealing groove 10 between the abutment block 9 and the suspension bearing seat 1, a skeleton oil seal 11 provided within the sealing groove 10, a first retaining ring groove 12 formed within the sealing groove 10, a retaining ring 13 provided within the first retaining ring groove 12, a second retaining ring groove 14 formed between rotating bearings 4, and a shaft retaining ring 15 provided within the second retaining ring groove 14. By forming a sealing groove 10 between the connecting flange 5 and the suspension bearing seat 1, and providing a skeleton oil seal 11 within the groove, external material dust is effectively prevented from entering the bearing interior, while lubricating oil leakage is prevented, ensuring the proper functioning of the bearing. In the lubricated state, the first retaining ring groove 12 and the second retaining ring groove 14 are respectively located between the suspension bearing housing 1 and the rotating bearing 4, enhancing the sealing effect and providing an additional protective layer. The installation of the bore retaining ring 13 and the shaft retaining ring 15 further improves the sealing performance, ensuring the stability and durability of the bearing during long-term use. The connecting block 3 has positioning grooves 16 on both sides facing the mating flange and on the side of the mating flange facing the connecting block 3. Positioning keys 17 are installed in the positioning grooves 16 to enable the mating flange to be positioned and installed. By setting the positioning grooves 16 between the connecting block 3 and the mating flange and installing the positioning keys 17 in the grooves, it is ensured that the mating flange can be accurately installed on the connecting block 3, avoiding errors and shaking during the installation process. The positioning key 17 not only enhances the stability of the connection but also helps to distribute the force evenly, reducing the risk of loosening caused by operational vibration or material pressure. The suspension bearing housing 1 includes a mounting block 18 for mounting the connecting block 3. A connecting post 19 is vertically mounted on the top of the mounting block 18, and a suspension plate 20 is horizontally mounted on the top of the connecting post 19. An oil nozzle 21 is located at the center of the suspension plate. The connecting post 19 enhances the connection strength between the bearing housing and the equipment frame, reducing loosening caused by vibration or load changes. The suspension plate 20 is horizontally mounted on top of the connecting post 19, providing an easily accessible location for the oil nozzle 21. The oil nozzle 21 is located at the center of the suspension plate 20, allowing the lubricating oil to be evenly distributed across the entire bearing surface, improving lubrication efficiency and bearing life. The flange 5 has several connection holes 22 on its outer periphery for connecting to the equipment. By setting several connection holes 22 on the outer periphery of the flange 5, convenient installation and stable connection with the equipment are achieved. The multiple connection holes 22 increase the density of connection points and improve the stability and reliability of the overall structure. The rotating bearing 4 is a deep groove ball bearing. With its excellent radial load capacity and low coefficient of friction, the deep groove ball bearing can effectively support and reduce the resistance of the screw shaft during rotation, improving the stability and reliability of the entire bearing system. The deep groove ball bearing has a simple structure, is easy to install and maintain, and its good sealing performance combined with lubrication further extends the service life of the bearing, ensuring the efficient and stable operation of the screw conveyor.

[0026] The beneficial effects of this utility model are as follows: the cooperation of the connecting flange 5, the connecting block 3 and the rotating bearing 4 replaces the traditional connecting shaft that passes through the suspension bearing seat 1 for rotational connection. The rotating bearing 4, as the medium of rotation, does not require frequent maintenance and will not cause wear to the suspension bearing seat 1 under long-term use, thereby affecting the production of the equipment and ensuring the stability of production.

Claims

1. A hanger bearing for a spiral conveyor comprising a hanger bearing housing, characterized in that: The suspension bearing seat is provided with a containing cavity, a connecting block is arranged at the center of the containing cavity, a plurality of rotating bearings are arranged between the connecting block and the containing cavity, the connecting block is provided with a butt flange on both sides of the suspension bearing seat through a fixing structure, the rotating bearing can drive the butt flange to rotate, and a sealing structure is further arranged between the rotating bearing and the connecting block.

2. A hanger bearing for a spiral conveyor as defined in claim 1, characterized in that: The fixing structure comprises an inlaid installation groove arranged at the center of the butt flange, the inlaid installation groove and the fixing block are provided with fixing holes for fixing the screw rod, and the butt flange is fixed and installed on both sides of the suspension bearing seat through the bolt.

3. A hanger bearing for a spiral conveyor as defined in claim 1, wherein: The sealing structure comprises an abutting block arranged in the containing cavity of the butt flange, a sealing groove is formed between the abutting block and the suspension bearing seat, a skeleton oil seal is arranged in the sealing groove, a first retaining ring groove is arranged in the suspension bearing seat in the sealing groove, a hole retaining ring is arranged in the first retaining ring groove, a second retaining ring groove is formed between the rotating bearings, and a shaft retaining ring is arranged in the second retaining ring groove.

4. A hanger bearing for a spiral conveyor according to any one of claims 2-3, characterized in that: The connecting block is provided with a positioning groove on both sides of the butt flange and the side of the butt flange facing the connecting block, and a positioning flat key is arranged in the positioning groove to enable the butt flange to be positioned and installed.

5. A hanger bearing for a spiral conveyor as defined in claim 1, wherein: The suspension bearing seat comprises an installation block for mounting the connecting block, a connecting pile is vertically arranged on the top of the installation block, a suspension plate is horizontally arranged on the top of the connecting pile, and an oil nozzle is arranged at the center of the suspension plate.

6. A hanger bearing for a spiral conveyor as defined in claim 4, wherein: A plurality of connecting holes connected with the equipment are arranged on the outer periphery of the butt flange.

7. A hanger bearing for a spiral conveyor as defined in claim 1, wherein: The rotating bearing is a deep groove ball bearing.

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