CN218808448U

CN218808448U - Floating support structure for U-shaped screw conveyor

Info

Publication number: CN218808448U
Application number: CN202121844927.5U
Authority: CN
Inventors: 唐志雄; 王永成; 江浩超
Original assignee: Zhuhai Huigao Machinery Equipment Co ltd
Current assignee: Zhuhai Huigao Machinery Equipment Co ltd
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2023-04-07
Anticipated expiration: 2031-08-09

Abstract

The utility model provides a U type screw conveyer is with bearing structure that floats, include: the floating support comprises a square flange and a U-shaped fixing frame, the square flange is fixed at the tail end of the conveyor shell through screws, the U-shaped fixing frame is welded on the inner wall of the square flange, the floating bearing mechanism is installed in the U-shaped fixing frame, the floating bearing mechanism comprises a bearing assembly installed in the U-shaped fixing frame, a lifting lug is arranged at the top of the bearing assembly, a screw rod penetrates through the rear bottom of the conveyor shell and is connected with the lifting lug through a fixing bolt, a thrust bearing is installed at the contact position of the screw rod and the conveyor shell, and an adjusting bolt is installed at the top of the screw rod and tightly presses the thrust bearing. The floating support structure can adjust the gap between the screw shaft blade and the inner wall of the outer shell of the conveyor to adapt to the conveying of granular materials which are easy to agglomerate and have different diameters, and the product adaptability is improved.

Description

Floating support structure for U-shaped screw conveyor

Technical Field

The utility model relates to a bearing structure, concretely relates to U type screw conveyer is with bearing structure that floats.

Background

When the screw conveyor works, the screw shaft rotates in a specified direction, materials enter from the feeding hole, and the screw shaft drives the materials to axially move in the U-shaped groove, reach the discharging hole and then are discharged from the discharging hole.

Due to the special physical characteristics of conveyed materials, such as large viscosity, easy caking, large grinding property, granular shape and large water content, the U-shaped screw conveyor with the structure has the following defects: 1) The two ends of the screw shaft are fixed, one end of the screw shaft is connected with the reduction gearbox, and the other end of the screw shaft is connected with the fixed support, so that the gap between the blades of the screw shaft and the inner wall of the outer shell of the conveyor is fixed, and when materials which are easy to agglomerate and granular are conveyed, if the agglomerate or the grain size is larger than the gap size, the screw shaft is easy to clamp. 2) In order to facilitate butt joint installation, the main shaft of the fixed support and the shaft sleeve of the spiral shaft are in clearance fit and are connected through a flat key, and when materials with large viscosity and large water content are conveyed, if the materials or water enter the shaft sleeve through the clearance between the main shaft and the shaft sleeve of the spiral shaft, the corrosion problem is easy to generate. When maintenance is needed, the main shaft is not easy to separate from the shaft sleeve, and the main shaft is difficult to disassemble. 3) The end cover assembly adopts a felt sealing mode, has good sealing performance on dry materials, and when the materials which are easy to agglomerate, have large polishing performance and large water content are conveyed, if a small amount of materials enter the end cover, the felt can be quickly worn to cause sealing failure.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a U type screw conveyer is with bearing structure that floats can adjust screw axis blade and conveyer shell body inner wall's clearance to the transport of the easy caking of adaptation, different diameter granule material improves product adaptability, is suitable for multiple material and carries.

In order to realize the technical scheme, the utility model provides a U type screw conveyer is with bearing structure that floats, include: the floating support comprises a square flange and a U-shaped fixing frame, the square flange is fixed at the tail end of a conveyor shell through screws, the U-shaped fixing frame is welded on the inner wall of the square flange, the floating bearing mechanism is installed in the U-shaped fixing frame, the floating bearing mechanism comprises a bearing assembly installed in the U-shaped fixing frame, a lifting lug is arranged at the top of the bearing assembly, a screw rod penetrates through the conveyor shell and is connected with the lifting lug through a fixing bolt, a thrust bearing is installed at the contact position of the screw rod and the conveyor shell, and an adjusting bolt is installed at the top of the screw rod and compresses the thrust bearing.

In the technical scheme, the floating bearing mechanism is installed in the fixing frame of the floating supporting seat, the upper part of the floating bearing mechanism is connected with the screw rod through the adjusting bolt, and the adjusting bolt is rotated, so that the floating bearing mechanism can move up and down in a certain range, the conveying main shaft is driven to move up and down, the purpose of adjusting the gap between the spiral shaft blade on the conveying main shaft and the inner wall of the outer shell of the conveyor can be achieved, the conveying device is suitable for conveying granular materials which are easy to agglomerate and have different diameters, the product adaptability is improved, and the conveying device is suitable for conveying various materials.

Preferably, the bearing assembly comprises a bearing seat, the bearing seat is installed in a U-shaped fixing frame in a matching mode, the bearing is installed in the bearing seat, the connecting shaft is assembled on the bearing, the front end portion of the connecting shaft is connected with a conveying main shaft of the conveyor through a connecting flange, the bearing and the connecting shaft are sealed in the bearing seat through a gland at the rear end of the bearing seat, and stable assembly between the conveying main shaft and the bearing assembly can be achieved.

Preferably, an oil seal is arranged at the joint of the bearing and the connecting shaft, a clamp spring is arranged on the front side of the oil seal, a felt is arranged on the front side of the clamp spring, a labyrinth groove is formed in the upper portion of the felt, a sealing structure with the labyrinth groove and the felt and the oil seal is adopted, the annular labyrinth groove is filled with butter, external foreign matters (dust and water vapor) can be prevented from entering the annular labyrinth groove, and the inner felt, the oil seal and the bearing are effectively protected.

Preferably, the rear end of the assembly position of the connecting shaft and the bearing is provided with an adjusting nut for adjusting the bearing clearance.

Preferably, a plurality of reinforcing ribs are welded on the periphery of the U-shaped fixing frame so as to improve the torsional strength of the U-shaped fixing frame.

The utility model provides a pair of floating support structure for U type screw conveyer's beneficial effect lies in:

1) The floating support structure for the U-shaped screw conveyor is reasonable in design, the floating bearing mechanism is arranged in the fixing frame of the floating support seat, the upper part of the floating support structure is connected with the screw rod through the adjusting bolt, and the adjusting bolt is rotated to enable the floating bearing mechanism to move up and down in a certain range, so that the conveying main shaft is driven to move up and down, the purpose of adjusting the gap between the screw shaft blade on the conveying main shaft and the inner wall of the outer shell of the conveyor can be achieved, the U-shaped screw conveyor is suitable for conveying granular materials which are easy to agglomerate and have different diameters, the product adaptability is improved, and the U-shaped screw conveyor is suitable for conveying various materials;

2) The floating support structure for the U-shaped spiral conveyor adopts a sealing structure of adding the felt and the oil seal into the labyrinth groove, the annular labyrinth groove is filled with butter, external foreign matters (dust and water vapor) can be prevented from entering, and the inner felt, the oil seal and the bearing are effectively protected.

Drawings

Fig. 1 is a front view of the assembly structure of the present invention.

Fig. 2 is a side view of the assembly structure of the present invention.

Fig. 3 is a sectional view of the partially assembled structure at a in fig. 1.

Fig. 4 is a schematic view of a part of the enlarged structure at B in fig. 3.

In the figure: 1. a floating support seat; 11. a square flange; 12. a U-shaped fixing frame; 13. reinforcing ribs; 2. a floating bearing mechanism; 21. A bearing assembly; 211. a bearing seat; 212. a connecting shaft; 213. a bearing; 214. a gland; 215. a labyrinth groove; 216. felt; 217. a clamp spring; 218. oil sealing; 219. adjusting the nut; 22. lifting lugs; 23. a screw rod; 24. fixing the bolt; 25. a thrust bearing; 26. adjusting the bolt; 3. a connecting flange; 4. a conveying main shaft; 5. a conveyor outer housing; 6. a feed inlet; 7. and (7) an access hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by a person skilled in the art without making any creative effort fall within the protection scope of the present invention.

Example (b): a floating support structure for a U-shaped screw conveyor.

Referring to fig. 1 to 4, a floating support structure for a U-shaped screw conveyor includes: the floating support structure comprises a floating support seat 1 arranged at the end part of a conveyor outer shell 3 and a floating bearing mechanism 2 arranged on the floating support seat 1, wherein a feed inlet 6 is arranged at the front upper part of the floating bearing mechanism 2 on the conveyor outer shell 3 and used for feeding materials, and an inspection opening 7 is arranged at the front lower part of the floating bearing mechanism 2 on the conveyor outer shell 5 and is convenient to overhaul, wherein the floating support seat 1 comprises a square flange 11 and a U-shaped fixing frame 12, the square flange 11 is fixed at the tail end of the conveyor outer shell 5 through screws, the U-shaped fixing frame 12 is welded on the inner wall of the square flange 11, a plurality of reinforcing ribs 13 are welded on the periphery of the U-shaped fixing frame 12 so as to improve the torsional strength of the U-shaped fixing frame 12, the floating bearing mechanism 2 is arranged in the U-shaped fixing frame 12, the floating bearing mechanism 2 comprises a bearing assembly 21 arranged in the U-shaped fixing frame 12, and the bearing assembly 21 comprises a bearing seat 211, the bearing seat 211 is fitted in the U-shaped fixed frame 12, the bearing 213 is mounted in the bearing seat 211, the connecting shaft 212 is mounted on the bearing 213, the front end of the connecting shaft 212 is connected with the conveying main shaft 4 of the conveyor through the connecting flange 3, the rear end of the bearing seat 211 seals the bearing 213 and the connecting shaft 212 in the bearing seat 211 through the gland 214, stable assembly between the conveying main shaft 4 and the bearing assembly 21 can be realized, the top of the bearing assembly 21 is provided with a lifting lug 22, the screw 23 penetrates through the rear bottom of the conveyor outer shell 5 and is connected with the lifting lug 22 through a fixing bolt 24, the contact part of the screw 23 and the conveyor outer shell 5 is provided with a thrust bearing 25, the top of the screw 23 is provided with an adjusting bolt 26 and compresses the thrust bearing 25, and during actual work, the floating bearing mechanism 2 is mounted in the fixed frame 12 of the floating support seat 1, the upper part of the floating bearing mechanism 2 is connected with the screw rod 23 through the adjusting bolt 26, the floating bearing mechanism 2 can move up and down in a certain range by rotating the adjusting bolt 26, so that the conveying main shaft 4 is driven to move up and down, the purpose of adjusting the gap between the screw shaft blade on the conveying main shaft 4 and the inner wall of the outer shell 1 of the conveyor can be achieved, the conveying of granular materials which are easy to agglomerate and have different diameters is adapted, the product adaptability is improved, and the floating bearing mechanism is suitable for conveying various materials.

Referring to fig. 3, an oil seal 218 is arranged at a joint of the bearing 213 and the connecting shaft 212, a snap spring 217 is arranged on the front side of the oil seal 218, a felt 216 is arranged on the front side of the snap spring 217, a labyrinth groove 215 is arranged above the felt 216, a sealing structure of the labyrinth groove 215 plus the felt 216 and the oil seal 218 is adopted, grease is filled in the annular labyrinth groove 215, external foreign matters (dust and water vapor) can be prevented from entering, the felt 215, the oil seal 218 and the bearing 213 inside are effectively protected, and the lubricating performance and the sealing performance are good. The rear end of the assembly of the connecting shaft 212 and the bearing 213 is provided with an adjusting nut 219 for adjusting the clearance of the bearing 213.

This U type screw conveyer is with unsteady bearing structure reasonable in design, install in the fixed frame 12 of unsteady supporting seat 1 through with unsteady bearing mechanism 2, upper portion is passed through adjusting bolt 26 and is connected with lead screw 23, rotate adjusting bolt 26, can make unsteady bearing mechanism 2 reciprocate at the certain limit, thereby it reciprocates to drive conveying main shaft 4, thereby can reach the purpose of adjusting screw axis blade and 5 inner wall clearances of conveyer shell body on the conveying main shaft 4, in order to adapt to the easy caking, the transport of different diameter granule materials, the product adaptability is improved, and the device is suitable for multiple material transport. In addition, the floating support structure for the U-shaped screw conveyor adopts a sealing structure of the labyrinth groove 215, the felt 216 and the oil seal 218, grease is filled in the annular labyrinth groove 215, external foreign matters (dust and water vapor) can be prevented from entering, the inner felt 215, the oil seal 218 and the bearing 213 are effectively protected, and the lubricating performance and the sealing performance are good.

The above description is a preferred embodiment of the present invention, but the present invention should not be limited to the disclosure of the embodiment and the accompanying drawings, and therefore, all equivalents and modifications that can be accomplished without departing from the spirit of the present invention are within the protection scope of the present invention.

Claims

1. The utility model provides a U type screw conveyer is with bearing structure that floats which characterized in that includes: the floating support comprises a square flange and a U-shaped fixing frame, the square flange is fixed at the tail end of a conveyor shell through screws, the U-shaped fixing frame is welded on the inner wall of the square flange, the floating bearing mechanism is installed in the U-shaped fixing frame, the floating bearing mechanism comprises a bearing assembly installed in the U-shaped fixing frame, a lifting lug is arranged at the top of the bearing assembly, a screw rod penetrates through the conveyor shell and is connected with the lifting lug through a fixing bolt, a thrust bearing is installed at the contact position of the screw rod and the conveyor shell, and an adjusting bolt is installed at the top of the screw rod and compresses the thrust bearing.

2. The floating support structure for a U-shaped screw conveyor according to claim 1, characterized in that: the bearing assembly comprises a bearing seat, the bearing seat is installed in a U-shaped fixing frame in a matching mode, the bearing is installed in the bearing seat, the connecting shaft is assembled on the bearing, the front end portion of the connecting shaft is connected with a conveying main shaft of the conveyor through a connecting flange, and the bearing and the connecting shaft are sealed in the bearing seat through a pressing cover at the rear end of the bearing seat.

3. The floating support structure for a U-shaped screw conveyor according to claim 2, characterized in that: an oil seal is arranged at the joint of the bearing and the connecting shaft, a clamp spring is arranged on the front side of the oil seal, a felt is arranged on the front side of the clamp spring, and a labyrinth groove is formed above the felt.

4. The floating support structure for a U-shaped screw conveyor according to claim 2, characterized in that: and an adjusting nut is arranged at the rear end of the assembly position of the connecting shaft and the bearing.

5. The floating support structure for a U-shaped screw conveyor according to claim 1, characterized in that: a plurality of reinforcing ribs are welded on the periphery of the U-shaped fixing frame.