CN210162670U - Screw conveyer suspension bearing with wear compensation - Google Patents

Abstract

The utility model provides a screw conveyer hanging bearing who possesses compensation wearing and tearing volume, include: the spiral blade, the check ring, the positioning pin, the spiral shaft, the intermediate shaft, the bearing and the suspension bearing body; the bearing sleeved with the intermediate shaft is arranged in the suspension bearing body, the two sides of the bearing are provided with static rings in clearance fit with the intermediate shaft, and the outer end face of each static ring is provided with a tightly-propped rubber spring, so that a channel for materials and dust to enter the bearing is blocked, and the suspension bearing has the advantage of good sealing effect; the connecting structure is characterized in that hexagonal shafts are arranged at two ends of the middle shaft, the spiral shaft is a hollow shaft, hexagonal holes connected with the hexagonal shafts are formed in the end faces of the spiral shaft, the middle shaft and the spiral shaft are connected with the hexagonal shafts in a matched mode through the hexagonal holes, the torque generated by the rotation of the spiral shaft during working is uniformly distributed on six contact surfaces of the hexagonal shafts, the residual stress released by the spiral blades and the spiral shaft in the operation process can be eliminated through adjustment of matching gaps, and the connecting structure is easy to install, overhaul and disassemble and has interchangeability.

Description

Screw conveyer suspension bearing with wear compensation

Technical Field

The utility model relates to a mechanical equipment technical field, more specifically the theory that says so especially relates to a screw conveyer hanger bearing who possesses compensation wearing and tearing volume.

Background

The screw conveyer is a mechanical device which utilizes a motor to drive a screw to rotate and push materials to realize the conveying purpose, the working principle is that a rotary screw blade pushes the materials to convey the materials, when the machine is long, a suspension bearing needs to be additionally arranged on a screw shaft, the suspension bearing is very easy to be corroded by the materials due to the direct contact with the materials, and the intermediate shaft is deformed by shearing force due to the release of residual stress of the screw shaft and the screw blade in the using process, and is inconvenient to disassemble the intermediate shaft, thereby bringing difficulty to the maintenance of the device and waiting to be improved.

In view of the above, the present invention is to provide a screw conveyor having a good suspension bearing sealing effect, capable of eliminating residual stress released by a screw shaft and a screw blade, and an intermediate shaft that is easy to detach and has interchangeability, and the purpose of solving the problems and improving the practical value is achieved by the above technique.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a screw conveyer hanger bearing who possesses compensation wearing and tearing volume to the hanger shaft that proposes in solving above-mentioned background art bears material erosion life weak point, screw axis and spiral leaf residual stress's release and leads to the jackshaft to receive shearing force deformation, the inconvenient problem of jackshaft dismantlement in addition and not enough.

In order to achieve the above object, the present invention provides a spiral conveyor suspension bearing with compensation wear amount, which is achieved by the following specific technical means:

a hanging bearing of a screw conveyor with a compensation abrasion amount comprises: the spiral blade, the check ring, the positioning pin, the spiral shaft, the intermediate shaft, the bearing and the suspension bearing body; the end part of the screw shaft is connected with the hanger bearing body; the spiral shaft type lifting bearing is characterized in that an intermediate shaft in rolling fit is arranged in the lifting bearing body, the intermediate shaft is in fit connection with the spiral shaft through a hexagonal hole, and a static ring tightly pressed by a rubber spring is arranged on the intermediate shaft.

As this technical scheme's further optimization, the utility model relates to a screw conveyer hanging bearing who possesses compensation wearing and tearing volume the hexagonal axle that the jackshaft both ends were equipped with, hexagonal axle is hexagonal prism form, be equipped with on the hexagonal off-axial wall and run through first pinhole, hexagonal axle is equipped with the shaft shoulder with jackshaft transition department.

As this technical scheme's further optimization, the utility model relates to a screw conveyer hanging bearing who possesses compensation wearing and tearing volume this internal bearing that is equipped with the registrate jackshaft of hanging bearing, the both sides of bearing are equipped with the quiet ring with jackshaft clearance fit, terminal surface lock is on the hanging bearing body of bearing upside in quiet ring, quiet ring is the ring form, quiet ring material is A3 carbon element constructional steel, be equipped with the tight rubber spring in top on the outer terminal surface of quiet ring, the rubber spring material is polyurethane, the rubber spring registrates on the shaft shoulder, be equipped with the retaining ring of registrate shaft shoulder on the outer terminal surface of rubber spring, the casing parallel and level of shaft shoulder terminal surface and hanging bearing body.

As this technical scheme's further optimization, the utility model relates to a screw conveyer hanger bearing that possesses compensation wearing and tearing volume the screw axis is the hollow shaft, be equipped with on the screw axis terminal surface and be connected the hexagonal hole of hexagonal axle, the hexagonal hole is hexagonal prism form, be equipped with the second pinhole that runs through the hexagonal hole on the screw axis outer wall, first pinhole, second pinhole centre of a circle are the same, be equipped with the locating pin in first pinhole and the second pinhole.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

1. the utility model relates to a screw conveyer hanging bearing who possesses compensation wearing and tearing volume, rubber spring tightly presses quiet ring on the terminal surface of bearing inner race, thereby play mechanical seal's effect, after quiet ring wearing and tearing, rubber spring extends and compensates quiet ring, block the material, the dust gets into the passageway of bearing, the bearing seal problem has been solved, thereby the life of extension bearing, hexagonal axle and hexagonal jogged joint make the even distribution of rotatory moment of torsion on six contact surfaces of hexagonal axle, the residual stress of operation process spiral leaf and screw axis release can be eliminated through the adjustment of fit clearance, this connection structure installation, overhaul, it is easy to dismantle, possess interchangeability.

2. The utility model discloses a to screw conveyer's improvement, have that the suspension bearing seals effectual, can eliminate residual stress, the jackshaft dismantlement of screw axis and spiral leaf release and conveniently possess interchangeability's advantage, thereby effectual solution the utility model discloses the problem that proposes in background art one with not enough.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic view of the structure of the intermediate shaft of the present invention.

In the figure: the spiral blade comprises a spiral blade 1, a stationary ring 2, a rubber spring 3, a retainer ring 4, a first pin hole 5, a hexagonal shaft 6, a positioning pin 7, a second pin hole 8, a hexagonal hole 9, a spiral shaft 10, an intermediate shaft 11, a bearing 12, a suspension bearing body 13 and a shaft shoulder 14.

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.

It is to be noted that, in the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Meanwhile, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 3, the present invention provides a specific technical implementation of a spiral conveyor suspension bearing with a compensation wear amount:

a hanging bearing of a screw conveyor with a compensation abrasion amount comprises: the spiral blade 1, the retainer ring 4, the positioning pin 7, the spiral shaft 10, the intermediate shaft 11, the bearing 12 and the suspension bearing body 13; the screw shaft 10 is provided with a fixedly connected screw blade 1, and the end part of the screw shaft 10 is connected with a suspension bearing body 13; an intermediate shaft 11 in rolling fit is arranged in the suspension bearing body 13, the intermediate shaft 11 is in fit connection with the spiral shaft 10 through a hexagonal hole 9, and a static ring 2 tightly pressed by a rubber spring 3 is arranged on the intermediate shaft 11.

Specifically, hexagonal axle 6 that 11 both ends of jackshaft were equipped with, hexagonal axle 6 are the hexagonal prism form, are equipped with on the hexagonal axle 6 outer wall to run through first pinhole 5, and hexagonal axle 6 is equipped with shoulder 14 with the jackshaft 11 transition department, jackshaft 11 and hexagonal axle 6 formula structure as an organic whole.

Specifically, be equipped with the bearing 12 of registrate intermediate shaft 11 in the suspension bearing body 13, the both sides of bearing 12 are equipped with the stationary ring 2 of intermediate shaft 11 clearance fit, the terminal surface lock is on the suspension bearing body 13 of bearing 12 upside in stationary ring 2, and stationary ring 2 is the ring form, and stationary ring 2 material is A3 carbon structural steel, is equipped with the tight rubber spring 3 in top on the outer terminal surface of stationary ring 2, the 3 materials of rubber spring are polyurethane, and 3 registrates on the shoulder 14 of rubber spring, are equipped with the retaining ring 4 of registrate shoulder 14 on the 3 outer terminal surfaces of rubber spring, and 14 terminal surfaces of shoulder and suspension bearing body 13's casing parallel and level, after 2 micro-wearing and tearing of stationary ring, rubber spring 3 extends and supplements the wearing and tearing volume of stationary ring 2.

Specifically, the screw shaft 10 is a hollow shaft, a hexagonal hole 9 connected with the hexagonal shaft 6 is formed in the end face of the screw shaft 10, the hexagonal hole 9 is in a hexagonal prism shape, a second pin hole 8 penetrating through the hexagonal hole 9 is formed in the outer wall of the screw shaft 10, the circle centers of the first pin hole 5 and the second pin hole 8 are the same, and positioning pins 7 are arranged in the first pin hole 5 and the second pin hole 8.

The method comprises the following specific implementation steps:

when the device is used, the static ring 2 is tightly pressed on the end face of the outer ring of the bearing 12 through the rubber spring 3, after the static ring 2 is abraded, the rubber spring 3 extends to compensate the static ring 2, so that a channel for materials and dust to enter the bearing 12 is blocked, the connection between the spiral shaft 10 and the intermediate shaft 11 is completed through the matching of the hexagonal shaft 6 and the hexagonal hole 9, and the torque of the rotation of the hexagonal shaft 6 is uniformly distributed on six contact surfaces of the hexagonal shaft 6.

In summary, the following steps: this screw conveyer hanging bearing who possesses compensation wearing and tearing volume, rubber spring tightly presses the quiet ring on the terminal surface of bearing inner race, thereby play mechanical seal's effect, after quiet ring wearing and tearing, rubber spring extends and compensates quiet ring, block the material, the dust gets into the passageway of bearing, the bearing seal problem has been solved, thereby the life of extension bearing, hexagonal axle and hexagonal hole are connected and are made rotatory moment of torsion even distribution on six contact surfaces of hexagonal axle, the residual stress of operation process spiral leaf and spiral shaft release can be eliminated through the adjustment of fit clearance, this connection structure installation, overhaul, the dismantlement is easy, possess interchangeability, it is short to have solved the hanging shaft and born material erosion life, the spiral shaft leads to the jackshaft to receive the shearing force deformation with the release of spiral leaf residual stress, in addition the inconvenient problem of jackshaft dismantlement.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. A hanging bearing of a screw conveyor with a compensation abrasion amount comprises: the spiral blade (1), the retainer ring (4), the positioning pin (7), the spiral shaft (10), the intermediate shaft (11), the bearing (12) and the suspension bearing body (13); the spiral shaft (10) is provided with a fixedly connected spiral blade (1), and the end part of the spiral shaft (10) is connected with the hanger bearing body (13); the method is characterized in that: the suspension bearing is characterized in that an intermediate shaft (11) in rolling fit is arranged in the suspension bearing body (13), the intermediate shaft (11) and the screw shaft (10) are connected in a fit mode through a hexagonal hole (9), and a static ring (2) tightly pressed by a rubber spring (3) is arranged on the intermediate shaft (11).

2. The screw conveyor hanger bearing with wear compensation according to claim 1, wherein: hexagonal axle (6) that jackshaft (11) both ends were equipped with, hexagonal axle (6) are hexagonal prism form, be equipped with on hexagonal axle (6) outer wall and run through first pinhole (5), hexagonal axle (6) and jackshaft (11) transition department are equipped with shaft shoulder (14).

3. The screw conveyor hanger bearing with the wear-compensating function according to claim 2, wherein: be equipped with bearing (12) of registrate jackshaft (11) in hanger bearing body (13), the both sides of bearing (12) are equipped with and intermediate shaft (11) clearance fit's quiet ring (2), quiet ring (2) inner end face lock is on hanger bearing body (13) of bearing (12) upside, quiet ring (2) are the ring form, quiet ring (2) material is A3 carbon construction steel, be equipped with tight rubber spring (3) in top on the outer terminal surface of quiet ring (2), rubber spring (3) material is polyurethane, rubber spring (3) registrate is on shoulder (14), be equipped with retaining ring (4) of registrate shoulder (14) on rubber spring (3) outer terminal surface, shoulder (14) terminal surface and the casing parallel and level of hanger bearing body (13).

4. The screw conveyor hanger bearing with wear compensation according to claim 3, wherein: the screw shaft (10) is a hollow shaft, a hexagonal hole (9) connected with a hexagonal shaft (6) is formed in the end face of the screw shaft (10), the hexagonal hole (9) is hexagonal, a second pin hole (8) penetrating through the hexagonal hole (9) is formed in the outer wall of the screw shaft (10), the circle centers of the first pin hole (5) and the second pin hole (8) are the same, and a positioning pin (7) is arranged in the first pin hole (5) and the second pin hole (8).

Images