Tail sealing sleeve structure for bucket elevator
By setting a detachable sealing sleeve and buffer sleeve on the tail bearing of the bucket elevator, the problems of gray leakage and wear of the tail bearing are solved, and the full sealing is achieved and wear is reduced, and the service life is extended.
Patent Information
- Application Number
- CN202422568705.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-23
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-10-23
AI Technical Summary
The tail bearings of existing bucket elevators are prone to dust leakage and severe wear, which affects the effectiveness and life of the service.
A removable sealing sleeve is installed on the tail bearing, and wear is reduced through components such as buffer sleeves to achieve full sealing.
The full sealing of the tail bearing is achieved, reducing wear and extending service life.
Smart Images

Figure CN223174929U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bucket elevators, and more specifically, to a tail seal sleeve structure for a bucket elevator. Background Art
[0002] A bucket elevator is a continuous conveying machine that uses a series of buckets fixedly connected to an endless traction member to vertically lift materials. The bucket elevator uses a series of buckets fixedly connected to a traction chain or a belt to transport bulk materials upward in a vertical or nearly vertical direction. A bucket elevator usually consists of parts such as buckets, a driving device, a drum, a chain, a tensioning device, and a casing. Among them, the casing of the bucket elevator needs to be wrapped around the outside of the tensioning device located at the tail of the bucket elevator to confine the materials inside the casing and transport them upward in the vertical direction through other components.
[0003] For example, the patent with the publication number CN219949566U provides a sealed tail of a bucket elevator, including a casing, a base fixedly connected to the bottom of the casing, tail bearings sleeved on opposite sides inside the casing, connecting rings fixedly connected to symmetrically opposite sides of the casing surface, detection mechanisms respectively arranged on the surfaces of the two connecting rings, sealing rings fixedly connected to symmetrically opposite sides of the casing surface, the two sealing rings are respectively arranged on the surfaces of the two connecting rings, sealing mechanisms are arranged on the surfaces of the two sealing rings, a gas supply box is fixedly connected to one side of the casing, the gas supply box is installed on the top of the base, a gas supply pump is installed on the top of the gas supply box, and one end of the gas supply pump is communicated with the inside of the casing. When the monitoring box detects that the pressure inside the casing is relatively low through a pressure sensor, the gas supply pump can be driven to fill the inside of the device with protective gas to improve the use safety of the tail seal device of the bucket elevator.
[0004] However, for the existing bucket elevator with a tail seal, during actual use, there is always a problem of ash leakage between the tail bearing and the casing, and the wear of the tail bearing is relatively large, resulting in unsatisfactory use effects and service lives of the bucket elevator. Summary of the Utility Model
[0005] The purpose of the utility model is to solve the problems that the tail bearing of the existing bucket elevator always has ash leakage and the wear of the tail bearing is relatively large. This application provides a tail seal sleeve structure for a bucket elevator. On the basis of the traditional and commonly used bucket elevator, the components adjacent to the tail bearing are improved. By setting a seal sleeve detachably connected to the bearing, the tail bearing can always be kept tightly connected to the seal sleeve even during the working process, so as to achieve the effect of full sealing, and components such as a buffer sleeve are used to reduce the wear of the tail bearing and prolong the service life of the components.
[0006] The utility model is realized through the following technical solutions:
[0007] A tail seal sleeve structure for a bucket elevator, wherein a shaft rod is arranged at the tail of the bucket elevator, and tail bearings are arranged at both ends of the shaft rod; the tail bearings are provided with seal sleeves, the seal sleeves are wrapped around the outer surfaces of the tail bearings, and the end of the seal sleeve far from the shaft rod is detachably connected to the inner side wall of the casing of the bucket elevator.
[0008] Preferably, a clamping ring is sleeved on one side of the tail bearing, and the outer periphery of the clamping ring abuts against the inner side wall of the seal sleeve.
[0009] Preferably, an installation groove is embedded in the outer side wall of the seal sleeve, so that the seal sleeve can be detachably connected to the casing.
[0010] Preferably, sleeves are arranged at both ends of the shaft rod, the shaft rod passes through the sleeves, and one side of the sleeve close to the end of the shaft rod is detachably connected to the seal sleeve.
[0011] Preferably, a buffer sleeve is arranged at one end of the sleeve far from the seal sleeve. The buffer sleeve includes a pair of limiting rings and an elastic tube clamped between the pair of limiting rings, and both the limiting rings and the elastic ring are sleeved on the outer side wall of the shaft rod, and one of the limiting rings is detachably connected to the sleeve.
[0012] Preferably, a hole sleeve is also penetrated through the side wall surface of the seal sleeve, a connecting rod is penetrated through the hole sleeve, a fixing bolt is penetrated through the side wall surface of the hole sleeve, one end of the fixing bolt abuts against the connecting rod, and the other end of the fixing bolt passes through the hole sleeve and is arranged outside.
[0013] Preferably, a buffer spring is sleeved on the middle section of the connecting rod, and the buffer spring is arranged in the vertical direction.
[0014] Preferably, an upper adjusting nut is arranged at the top of the buffer spring, and a lower adjusting nut is arranged at the bottom of the buffer spring, so that the connecting rod can be detachably connected to the casing at the tail of the bucket elevator.
[0015] The technical solution of the present utility model has the following beneficial effects:
[0016] For the tail seal sleeve structure of the bucket elevator of the present utility model, on the basis of the traditional and commonly used bucket elevator, the components adjacent to the tail bearing are improved. By setting a seal sleeve detachably connected to the bearing, the tail bearing always maintains a tight connection with the seal sleeve even during the working process, thereby achieving the effect of full sealing; and components such as the buffer sleeve can effectively reduce the impact strength between the tail bearing and the shaft rod and other components such as the casing during work, and can significantly improve its service life, that is, better sealing effect and less wear and tear can be achieved at the same time. Description of the Drawings
[0017] To more clearly illustrate the technical solutions of the embodiments of the present utility model, the accompanying drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following accompanying drawings only show some embodiments of the present utility model, and therefore should not be regarded as a limitation of the scope. For those of ordinary skill in the art, without creative efforts, other related accompanying drawings can also be obtained based on these drawings.
[0018] Figure 1 It is a schematic structural diagram of the tail seal sleeve for the bucket elevator in Embodiment 1;
[0019] Figure 2 It is a schematic side view structural diagram of the tail seal sleeve for the bucket elevator in Embodiment 1;
[0020] Figure 3 It is a schematic structural diagram of the seal sleeve in Embodiment 1;
[0021] Figure 4 It is a schematic structural diagram of the tail bearing in Embodiment 1;
[0022] Figure 5 It is a schematic sectional view structural diagram of the tail bearing in Embodiment 1.
[0023] Reference numerals: 1 - shaft rod, 11 - sleeve, 12 - limiting ring, 13 - elastic tube, 2 - tail bearing, 21 - clamping ring, 3 - seal sleeve, 31 - mounting groove, 32 - hole sleeve, 33 - fixing bolt, 4 - connecting rod, 41 - buffer spring, 42 - upper adjusting nut, 43 - lower adjusting nut. Detailed implementation manners
[0024] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. Generally, the components of the embodiments of the present utility model described and shown in the accompanying drawings here can be arranged and designed in various different configurations.
[0025] Therefore, the following detailed description of the embodiments of the present utility model provided in the accompanying drawings is not intended to limit the scope of the claimed present utility model, but merely represents the selected embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.
[0026] It should be noted that like reference numerals and letters refer to like items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.
[0027] Embodiment 1
[0028] As Figures 1 to 5 shown, this embodiment provides a tail seal sleeve structure for a bucket elevator. A shaft rod 1 is provided at the tail of the bucket elevator, and tail bearings 2 are arranged at both ends of the shaft rod 1; a seal sleeve 3 is arranged on the tail bearings 2. The seal sleeve 3 is wrapped around the outer surface of the tail bearings 2, and the end of the seal sleeve 3 away from the shaft rod 1 is screwed to the inner side wall of the casing of the bucket elevator; a clamping ring 21 is sleeved on one side of the tail bearings 2, and the outer circumference of the clamping ring 21 abuts against the inner side wall of the seal sleeve 3. An installation groove 31 is embedded in the outer side wall of the seal sleeve 3, so that the seal sleeve 3 can be screwed to the casing and keep the connection surface in a fitting state to achieve the effect of sealed connection.
[0029] For the tail seal sleeve 3 structure of the bucket elevator in this embodiment, on the basis of the traditional and commonly used bucket elevator, the components adjacent to the tail bearings 2 are improved. By providing a seal sleeve 3 detachably connected to the bearings, the tail bearings 2 can always be tightly connected to the seal sleeve 3 even during operation, so as to achieve the effect of full - process sealing.
[0030] In this embodiment, sleeves 11 are arranged at both ends of the shaft rod 1. The shaft rod 1 passes through the sleeves 11, and one side of the sleeve 11 close to the end of the shaft rod 1 is screwed to the seal sleeve 3. A buffer sleeve is arranged on the other side of the sleeve 11. The buffer sleeve includes a pair of limit rings 12 and an elastic tube 13 clamped between the pair of limit rings 12. Both the limit rings 12 and the elastic ring are sleeved on the outer side wall of the shaft rod 1. One of the limit rings 12 is screwed to the sleeve 11, providing a certain buffer space for the operation of the shaft rod 1 and the tail bearings 2, thereby effectively reducing the impact strength between the tail bearings 2 and the shaft rod 1 and other components such as the casing during operation and improving their service life.
[0031] In this embodiment, a hole sleeve 32 is also penetrated through the side wall surface of the seal sleeve 3. A connecting rod 4 passes through the hole sleeve 32. A fixing bolt 33 is penetrated through the side wall surface of the hole sleeve 32. One end of the fixing bolt 33 abuts against the connecting rod 4, and the other end of the fixing bolt 33 passes through the hole sleeve 32 and is arranged outside. After the connecting rod 4 is assembled, the relative position of the connecting rod 4 and the hole sleeve 32 can be fixed by the fixing bolt 33 to keep the device stable during operation.
[0032] In this embodiment, a buffer spring 41 is sleeved on the middle section of the connecting rod 4, and the buffer spring 41 is arranged in the vertical direction; an upper adjusting nut 42 is arranged at the top of the buffer spring 41, and a lower adjusting nut is arranged at the bottom of the buffer spring 41, so that the connecting rod 4 can be fixedly screwed to the casing at the tail of the bucket elevator, and the position can be adjusted and locked by the upper adjusting nut 42 and the lower adjusting nut.
[0033] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.
Claims
1. A tail seal sleeve structure for a bucket elevator, characterized in that, A shaft rod (1) is provided at the tail of the bucket elevator, and tail bearings (2) are arranged at both ends of the shaft rod (1); The tail bearing (2) is provided with a sealing sleeve (3), the sealing sleeve (3) is wrapped around the outer surface of the tail bearing (2), and the end of the sealing sleeve (3) away from the shaft rod (1) is detachably connected to the inner side wall of the casing of the bucket elevator.
2. The structure of the tail seal sleeve (3) for a bucket elevator according to claim 1, characterized in that, A clamping ring (21) is sleeved on one side of the tail bearing (2), and the outer periphery of the clamping ring (21) abuts against the inner side wall of the sealing sleeve (3).
3. The structure of the tail seal sleeve (3) for a bucket elevator according to claim 1, characterized in that, An installation groove (31) is embedded in the outer side wall of the sealing sleeve (3) so that the sealing sleeve (3) can be detachably connected to the casing.
4. The structure of the tail seal sleeve (3) for a bucket elevator according to claim 1, characterized in that, Sleeves (11) are arranged at the ends of the shaft rod (1), the shaft rod (1) passes through the sleeves (11), and one side of the sleeve (11) close to the end of the shaft rod (1) is detachably connected to the sealing sleeve (3).
5. The structure of the tail seal sleeve (3) for a bucket elevator according to claim 4, characterized in that, A buffer sleeve is arranged at the end of the sleeve (11) away from the sealing sleeve (3). The buffer sleeve includes a pair of limiting rings (12) and an elastic tube (13) clamped between the pair of limiting rings (12), and both the limiting rings (12) and the elastic ring are sleeved on the outer side wall of the shaft rod (1), and one of the limiting rings (12) is detachably connected to the sleeve (11).
6. The structure of the tail seal sleeve (3) for a bucket elevator according to any one of claims 1 to 5, characterized in that, A hole sleeve (32) is also penetrated through the side wall surface of the sealing sleeve (3), a connecting rod (4) is penetrated through the hole sleeve (32), a fixing bolt (33) is penetrated through the side wall surface of the hole sleeve (32), one end of the fixing bolt (33) abuts against the connecting rod (4), and the other end of the fixing bolt (33) passes through the hole sleeve (32) and is arranged outside.
7. The structure of the tail seal sleeve (3) for a bucket elevator according to claim 6, characterized in that, A buffer spring (41) is sleeved on the middle section of the connecting rod (4), and the buffer spring (41) is arranged in the vertical direction.
8. The structure of the tail seal sleeve (3) for a bucket elevator according to claim 7, characterized in that, An upper adjusting nut (42) is arranged at the top of the buffer spring (41), and a lower adjusting nut (43) is arranged at the bottom of the buffer spring (41) so that the connecting rod (4) can be detachably connected to the casing at the tail of the bucket elevator.
Citation Information
Patent Citations
Sealed bucket elevator tail
CN219949566U