Guide roller of chain bucket machine

Abstract

The utility model discloses a chain bucket machine guide roller, which relates to the technical field of guide rollers, and comprises a guide roller shaft and a guide roller, a raised top ring is fixedly arranged on the outer wall of the guide roller shaft, a sealing cover is sleeved on the guide roller shaft, a single-row conical roller bearing is sleeved on the guide roller shaft, a backing ring is sleeved on the guide roller shaft at the position of a limiting block, and an elastic pad is fixedly arranged in the backing ring. The elastic pad is fixedly connected with a clamping block penetrating out of the upper portion of the backing ring, a bayonet is formed in the lower portion of the single-row conical roller bearing, a first hole groove is formed in the thread position of the guide roller shaft and the single-row conical roller bearing, and when the clamping block is combined with the bayonet, the guide roller shaft and the first hole groove of the single-row conical roller bearing are closed to form a bolt groove shape. The guide roller sleeves the outer side of the single-row conical roller bearing; and the upper end of the guide roller is internally in threaded connection with a sealing cover. The connecting mechanism is simple in structure, good in rotating effect of the guide roller and the guide roller shaft, stable and not prone to falling off, capable of being limited in the splicing process to form bolt holes, high in practicability and suitable for popularization.

Description

Technical Field

[0001] The utility model belongs to the technical field of guide rollers, and in particular relates to a guide roller for a chain bucket conveyor. Background Art

[0002] A chain bucket ship unloader is a continuous bulk material unloading machine that uses a chain bucket to scoop material from a ship's hold and unload it onto the dock via an onboard conveyor system. The chain bucket ship unloader primarily consists of a chain bucket reclaiming and lifting mechanism, a bucket elevator slewing mechanism, and a reclaiming mechanism. The reclaiming and feeding mechanisms require the assistance of guide rollers. Because chain bucket unloaders used at docks often require significant load-bearing capacity, their guide rollers are larger and feature a thickened, bulging center. Existing guide rollers for existing dock chain bucket unloaders require securing the guide rollers to their shafts with blocking mechanisms at both ends, and the common threaded fixing mechanism is prone to loosening. Utility Model Content

[0003] The purpose of the utility model is to provide a chain bucket conveyor guide roller with a simple structure, good rotation effect of the guide roller and the guide roller shaft, and a stable connection mechanism that is not easy to fall off. Bolt holes can be formed by limiting the position during the assembly process, which is highly practical and suitable for promotion.

[0004] The utility model provides the following technical solution: a chain bucket guide roller, comprising a guide roller shaft and a guide roller, the guide roller shaft outer wall being fixedly provided with a raised top ring, the guide roller shaft sleeve being provided with a sealing cover, the sealing cover being placed on the top ring, the guide roller shaft being sleeved with a single-row tapered roller bearing, the top end of the guide roller shaft being provided with a thread, the top end of the inner wall of the single-row tapered roller bearing being provided with a thread connected to the top end of the guide roller shaft, the guide roller shaft being located below the single-row tapered roller bearing and being fixedly provided with a raised limit block, the guide roller shaft being sleeved with a gasket at the limit block, an elastic gasket being fixed inside the gasket, the elastic gasket being fixedly connected with a clamping block extending from the top of the gasket, a concave bayonet being provided below the single-row tapered roller bearing, the threads of the guide roller shaft and the single-row tapered roller bearing being provided with a first hole groove, when the clamping block is combined with the bayonet, the first hole groove of the guide roller shaft and the single-row tapered roller bearing are closed to form a bolt groove shape;

[0005] The guide roller is sleeved on the outside of the single-row tapered roller bearing, the inner wall of the upper end of the guide roller protrudes from the single-row tapered roller bearing and is threadedly connected to a cover, the inner wall of the guide roller is fixedly provided with an elastic pad below the thread, and the elastic pad is fixedly connected to a clamping block extending from the inner wall of the guide roller, and the upper end of the clamping block is provided with an inclined surface, and the side wall of the cover is provided with a concave bayonet corresponding to the clamping block, and the cover and the guide roller are provided with a second hole groove at the thread, and when the clamping block is combined with the bayonet, the cover and the second hole groove on the guide roller are closed to form a bolt groove shape.

[0006] Preferably, the bottom of the guide roller is inserted into the sealing cover and is rotatably connected thereto, and the single-row tapered roller bearing is composed of two inner and outer rings, with a circumferential array of rollers disposed between the two rings.

[0007] Preferably, an oil seal is provided between the insertion portion of the guide roller and the guide roller shaft, and a through lubricating oil nozzle is provided on the seal cover.

[0008] Preferably, bolts are provided at the first hole slot and the second hole slot, and the height of the extending limit block is less than the pitch of the thread.

[0009] The beneficial effects of the utility model are as follows: the structure is simple, the guide roller and the guide roller shaft have good rotation effect, the connection mechanism is stable and not easy to fall off, the bolt hole can be limited during the assembly process, and the practicality is strong, as follows:

[0010] (1) The utility model is provided with a hole groove. When the guide roller is installed, the sealing cover, the guide roller, and the single-row tapered roller bearing are sequentially mounted on the guide roller shaft. When the single-row tapered roller bearing is fixed, it is rotated so that the first hole groove at the thread of the single-row tapered roller bearing and the guide roller shaft is closed to form a bolt groove. A bolt is driven into the first hole groove. The bolt is squeezed between the single-row tapered roller bearing and the guide roller shaft to prevent it from rotating. Then the sealing cover is mounted and the sealing cover is rotated to connect with the guide roller thread. When the sealing cover and the second hole groove on the guide roller are closed to form a bolt groove, a bolt is driven into the second hole groove to fix the sealing cover. The method of driving the bolt into the hole groove can prevent the thread from loosening.

[0011] (2) The utility model is provided with a bayonet. When the single-row tapered roller bearing is rotated to be connected to the guide roller shaft thread, the height of the block is less than the pitch of the thread. When the thread is tightened to a certain position, the squeezed block pops out when the bayonet passes. When it is stuck in the bayonet, the position of the hole groove coincides to form a bolt groove. At this time, the single-row tapered roller bearing and the guide roller shaft cannot rotate, making it easy to drive the bolt. Similarly, when the cover is threaded, it is limited and fixed. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0013] Figure 1 It is an overall schematic diagram of the utility model;

[0014] Figure 2 It is a cross-sectional view of the utility model;

[0015] Figure 3 It is an enlarged view of point A of the present utility model;

[0016] The markings in the figure are: 1. Guide roller shaft; 2. Sealing cover; 3. Single row tapered roller bearing; 4. Guide roller; 5. Sealing cover; 6. Gasket; 7. Roller; 8. Oil seal; 9. Lubricating oil nozzle; 10. First hole groove; 11. Second hole groove; 12. Bayonet; 13. Elastic pad; 14. Block; 15. Limit block; 16. Top ring. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0018] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0019] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "mounted / connected," and "connected" should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to the specific circumstances.

[0020] The structural features of the present invention are now described in detail with reference to the accompanying drawings.

[0021] See also Figure 1-3A chain bucket guide roller includes a guide roller shaft 1 and a guide roller 4. The outer wall of the guide roller shaft 1 is fixedly provided with a raised top ring 16. The guide roller shaft 1 is sleeved with a sealing cover 2, and the sealing cover 2 is placed on the top ring 16. A single-row tapered roller bearing 3 is sleeved on the guide roller shaft 1. The single-row tapered roller bearing 3 is composed of two inner and outer rings. A circumferential array of rollers 7 is provided between the two rings to make it easier for the guide roller 4 sleeved thereon to rotate. The top of the guide roller shaft 1 is provided with a thread, and the top of the inner wall of the single-row tapered roller bearing 3 is provided with a thread connected to the top of the guide roller shaft 1. The guide roller shaft 1 is located below the single-row tapered roller bearing 3 and is fixed with a raised limit block 15. The guide roller shaft 1 is sleeved with a gasket 6 at the limit block 15, and the gasket 6 is fixed inside. An elastic pad 13 is provided. When the single-row tapered roller bearing 3 rotates and descends, the limit block 15 and the elastic pad 13 are squeezed. The elastic pad 13 is fixedly connected with a clamping block 14 that passes through the top of the backing ring 6. A concave bayonet 12 is provided at the bottom of the single-row tapered roller bearing 3. The height of the limit block 15 is less than the pitch of the thread. During the last rotation, the clamping block 14 is bounced into the bayonet 12 by the elastic pad 13. A first hole groove 10 is provided at the thread of the guide roller shaft 1 and the single-row tapered roller bearing 3. When the clamping block 14 is combined with the bayonet 12, the first hole groove 10 of the guide roller shaft 1 and the single-row tapered roller bearing 3 is closed to form a bolt groove. The first hole groove 10 is equipped with a bolt. Driving the bolt can prevent the thread from sliding.

[0022] See also Figure 1-2 The guide roller 4 is sleeved on the outside of the single-row tapered roller bearing 3. The bottom of the guide roller 4 is inserted into the sealing cover 2 and is rotatably connected to it. The inner wall of the upper end of the guide roller 4 protrudes from the single-row tapered roller bearing 3 and is threadedly connected with a sealing cover 5. A through-lubricating oil nozzle 9 is provided on the sealing cover 5. An oil seal 8 is provided between the insertion point of the guide roller 4 and the guide roller shaft 1. Lubricating oil is supplied to the interior through the lubricating oil nozzle 9. The inner wall of the guide roller 4 is fixedly provided with an elastic pad 13 below the thread. The elastic pad 13 is fixedly connected with a lubricating oil nozzle 9 from the inside of the guide roller 4. A block 14 passes through the wall, and an inclined surface is provided on the upper end of the block 14, so that when the cover 5 is pressed down, the inclined surface is squeezed to press the block 14 into the side wall of the guide roller 4. The side wall of the cover 5 is provided with a concave bayonet 12 corresponding to the block 14, and a second hole groove 11 is provided at the thread of the cover 5 and the guide roller 4. When the block 14 is combined with the bayonet 12, the second hole groove 11 on the cover 5 and the guide roller 4 is closed to form a bolt groove shape. The second hole groove 11 is equipped with a bolt, and the bolt is driven in to prevent the cover 5 from rotating.

[0023] The chain bucket conveyor guide roller of the utility model has a simple structure, a good rotation effect of the guide roller and the guide roller shaft, and a stable connection mechanism that is not easy to fall off. The guide roller can be limited to form a bolt hole during the assembly process, has strong practicality, and is suitable for promotion.

[0024] When using it specifically, refer to Figure 1-3, put the sealing cover 2, guide roller 4, and single-row tapered roller bearing 3 on the guide roller shaft 1 in sequence. When fixing the single-row tapered roller bearing 3, rotate it so that the first hole groove 10 at the thread of the single-row tapered roller bearing 3 and the guide roller shaft 1 is closed to form a bolt groove, and a bolt is driven into the first hole groove 10. When the single-row tapered roller bearing 3 is rotated to be connected to the guide roller shaft 1 thread, the height of the block 14 is less than the pitch of the thread. When the thread is tightened to a certain position, the squeezed block 14 pops out when the bayonet 12 passes by. When it is stuck in the bayonet 12, the position of the hole groove coincides to form a bolt. Groove, at this time the single-row tapered roller bearing 3 and the guide roller shaft 1 cannot rotate, making it easy to drive in the bolts. The bolts are squeezed between the single-row tapered roller bearing 3 and the guide roller shaft 1 to prevent them from rotating, and then the cover 5 is sleeved, and the cover 5 is rotated to be threadedly connected to the guide roller 4. When the cover 5 and the second hole groove 11 on the guide roller 4 are closed to form a bolt groove, similarly, when the cover 5 is threadedly connected, the cover 5 is pressed down to squeeze the inclined surface, and the clamping block 14 is pressed into the side wall of the guide roller 4. When the clamping block 14 is clamped into the bayonet 12, it is limited and fixed, and the bolts are driven into the second hole groove 11, thereby fixing the cover 5, strengthening the stability of the guide roller and preventing thread slippage.

[0025] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A chain bucket guide roller, comprising a guide roller shaft (1) and a guide roller (4), characterized in that: The outer wall of the guide roller shaft (1) is fixedly provided with a raised top ring (16), the guide roller shaft (1) is sleeved with a sealing cover (2), the sealing cover (2) is placed on the top ring (16), the guide roller shaft (1) is sleeved with a single-row tapered roller bearing (3), the top end of the guide roller shaft (1) is provided with a thread, the top end of the inner wall of the single-row tapered roller bearing (3) is provided with a thread connected to the top end of the guide roller shaft (1), the guide roller shaft (1) is located below the single-row tapered roller bearing (3) and is fixedly provided with a raised limit block (15), the guide roller shaft (1) is located at the limit block ( 15) is provided with a backing ring (6), an elastic pad (13) is fixedly provided in the backing ring (6), the elastic pad (13) is fixedly connected with a clamping block (14) extending from the top of the backing ring (6), a concave bayonet (12) is provided below the single-row tapered roller bearing (3), a first hole groove (10) is provided at the threaded portion of the guide roller shaft (1) and the single-row tapered roller bearing (3), and when the clamping block (14) is combined with the bayonet (12), the first hole groove (10) of the guide roller shaft (1) and the single-row tapered roller bearing (3) is closed to form a bolt groove shape; The guide roller (4) is sleeved on the outer side of the single-row tapered roller bearing (3); the inner wall of the upper end of the guide roller (4) protrudes from the single-row tapered roller bearing (3) and is threadedly connected to a cover (5); the inner wall of the guide roller (4) is fixedly provided with an elastic pad (13) below the thread; the elastic pad (13) is fixedly connected to a clamping block (14) extending from the inner wall of the guide roller (4); the upper end of the clamping block (14) is provided with an inclined surface; the side wall of the cover (5) is provided with a concave bayonet (12) corresponding to the clamping block (14); the cover (5) and the thread of the guide roller (4) are provided with a second hole groove (11); when the clamping block (14) is combined with the bayonet (12), the cover (5) and the second hole groove (11) on the guide roller (4) are closed to form a bolt groove shape.

2. A bucket chain guide roller according to claim 1, characterized in that: The bottom of the guide roller (4) is inserted into the sealing cover (2) and is rotatably connected thereto. The single-row tapered roller bearing (3) is composed of two inner and outer rings, with a circumferential array of rollers (7) arranged between the two rings.

3. The guide roller of a bucket chain according to claim 1, characterized in that: An oil seal (8) is provided between the insertion portion of the guide roller (4) and the guide roller shaft (1), and a through lubricating oil nozzle (9) is provided on the sealing cover (5).

4. The guide roller of a bucket chain according to claim 1, characterized in that: Bolts are provided at the first hole groove (10) and the second hole groove (11), and the height of the limit block (15) is less than the pitch of the thread.

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