CN214191415U

CN214191415U - Dustproof self-tracking deviation-correcting roller

Info

Publication number: CN214191415U
Application number: CN202120167337.7U
Authority: CN
Inventors: 牟志荣; 张志文
Original assignee: Zhengzhou Sanzhong Energy Technology Co ltd
Current assignee: Zhengzhou Sanzhong Energy Technology Co ltd
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2021-09-14
Anticipated expiration: 2031-01-21

Abstract

The utility model discloses a dustproof self-tracking roller of rectifying a deviation, including rotary drum, be equipped with a support section of thick bamboo in the rotary drum, the inside center pin that is equipped with of a support section of thick bamboo, the center pin middle part is equipped with the intermediate support, but the wobbling installation of a support section of thick bamboo is on the intermediate support, be equipped with the bearing between rotary drum both ends and the support section of thick bamboo, it is equipped with outer labyrinth sealing circle and interior labyrinth sealing circle respectively to lie in the bearing outside in rotary drum, be equipped with the oil storage room between outer labyrinth sealing circle and the interior labyrinth sealing circle, it has lubricating oil to pour into in the oil storage room, under the long-term use condition, the bearing can obtain good lubrication, and the double seal ring of outer labyrinth sealing circle and interior labyrinth sealing circle can carry out good sealing to the bearing outside, ensure that rotary drum can long-term stable operation, reduce the maintenance work volume, dustproof piece and cascaded elastic seal in this roller of rectifying a deviation can prevent external dust, the outer dust, Muddy water enters the interior of the supporting cylinder, so that the protecting effect is achieved, and the interior of the supporting cylinder is prevented from being corroded or blocked when the supporting cylinder is used for a long time.

Description

Dustproof self-tracking deviation-correcting roller

Technical Field

The utility model relates to a belt feeder bearing roller technical field, concretely relates to dustproof self-tracking roller of rectifying.

Background

The belt conveyor is a common conveying device in industrial production, and during the working process of the belt conveyor, due to the reasons that the tension on two sides of a belt is unbalanced, a roller or a carrier roller generates stress which is deviated from the central line of the belt, the friction force of the roller or the carrier roller on two sides of the belt is unbalanced, and the like, the belt conveyor is prone to deviation faults.

The axis-type deviation-rectifying carrier roller is a carrier roller specially used for belt deviation rectification and comprises a central shaft assembly and an outer sleeve assembly, and when the outer sleeve is unbalanced in pressure applied by a belt, the outer sleeve assembly can swing relative to the central shaft assembly to adapt to the change of the pressure of the belt, so that the aim of preventing the belt from deviating is fulfilled. The axle center type deviation rectifying carrier roller in the prior art has the following defects: firstly, the bearing between the outer sleeve component and the central shaft component is not well lubricated, and the phenomenon of bearing lubrication loss can occur in the working process, so that the bearing is easily damaged, needs to be disassembled and maintained, and delays normal use; secondly, central axle subassembly lacks the protection, because belt feeder operational environment is abominable, gets into dust, earth, rainwater etc. easily, can reduce the life of tuningout bearing roller.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a dustproof self-tracking roller of rectifying solves the technical problem that leakproofness, lubricity are not good, life is short of the bearing roller of rectifying among the prior art.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the design is a dustproof self-tracking deviation-rectifying roller, which comprises a rotary drum, a supporting cylinder is arranged in the rotary drum, a central shaft is arranged inside the supporting cylinder, a middle support is arranged in the middle of the central shaft, the supporting cylinder can be installed on the middle support in a swinging mode, bearings are arranged between the two ends of the rotary drum and the supporting cylinder, the rotary drum is internally located on the outer sides of the bearings and is respectively provided with an outer labyrinth seal ring and an inner labyrinth seal ring, an oil storage chamber is arranged between the outer labyrinth seal ring and the inner labyrinth seal ring, and lubricating oil is injected into the oil storage chamber.

Preferably, two sides in the supporting cylinder are respectively provided with a dustproof sheet, and the dustproof sheets are sleeved on the central shaft; and stepped elastic seals are respectively arranged at two ends of the support cylinder, and are arranged on the central shaft.

Preferably, the middle support comprises an ellipsoid part, the left end and the right end of the ellipsoid part are respectively provided with an axial connecting column, the central shaft comprises supporting shafts respectively positioned at the left side and the right side of the ellipsoid part, and the axial connecting columns are correspondingly connected to the end parts of the corresponding supporting shafts; the middle of the elliptical ball part is provided with a radial assembly hole, a radial connecting shaft is installed in the assembly hole, and the upper end and the lower end of the radial connecting shaft are respectively installed on the cylinder wall of the supporting cylinder.

Preferably, mounting frames are respectively arranged at two ends of the central shaft, each mounting frame comprises a first vertical plate, the end part of the central shaft penetrates through the lower part of the corresponding first vertical plate, a fixing sleeve is sleeved at the position, located outside the corresponding first vertical plate, of the central shaft, and the fixing sleeve is fixed on the central shaft through radial set screws; the mounting bracket further comprises a second vertical plate, and the second vertical plate is connected with the first vertical plate through an adjusting bolt.

Preferably, the rotary drum comprises an inner layer steel cylinder and an outer layer rubber wear-resistant sleeve.

The utility model discloses a main beneficial technological effect lies in:

1. the utility model provides a roller of rectifying is followed tracks of certainly to prevent dust includes rotary drum, be equipped with a supporting cylinder in the rotary drum, it is equipped with outer labyrinth sealing washer and interior labyrinth sealing washer respectively to be located the bearing outside in rotary drum, be equipped with the oil storage chamber between outer labyrinth sealing washer and the interior labyrinth sealing washer, it has lubricating oil to pour into in the oil storage chamber, under long-term in service behavior, the bearing can obtain good lubrication, and the double seal ring of outer labyrinth sealing washer and interior labyrinth sealing washer can carry out good sealing to the bearing outside, ensure that rotary drum can long-term steady operation, reduce and maintain work volume.

2. Be equipped with the dustproof sheet in supporting a section of thick bamboo, be equipped with cascaded elastic seal at a support section of thick bamboo tip, dustproof sheet and cascaded elastic seal can stop external dust, muddy water to get into inside to play the guard action, when preventing long-term the use, support a section of thick bamboo inside and take place corrosion or jam.

Drawings

Fig. 1 is a cross-sectional view of an embodiment of the dustproof self-tracking deviation correcting roller of the present invention.

Fig. 2 is an enlarged view of a portion a of fig. 1.

Fig. 3 is an enlarged view of a portion B of fig. 1.

In the above figures, the reference numerals are to indicate: rotary drum 1, steel cylinder 11, rubber wear-resisting sleeve 12, a support section of thick bamboo 2, dustproof piece 21, center pin 3, middle support 31, ellipsoid portion 311, axial direction spliced pole 312, radial connecting axle 313, jump ring 314, end cover 315, back shaft 32, connecting rod portion 321, bearing 4, outer labyrinth seal 41, interior labyrinth seal 42, oil storage chamber 43, cascaded elastic seal 5, lock checkpost 51, screw 52, mounting bracket 6, first riser 61, fixed cover 62, holding screw 63, second riser 64, adjusting bolt 65.

Detailed Description

The following embodiments are only intended to illustrate the present invention in detail, and do not limit the scope of the present invention in any way.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only 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 therefore, should not be construed as limiting the present invention. References to "first," "second," etc. in this application are intended to distinguish between similar items and not necessarily to describe a particular order or sequence.

Example 1:

a dust-proof self-tracking deviation-correcting roller, the structure of which is shown in fig. 1 to 3.

As shown in fig. 1, the dustproof self-tracking deviation correcting roller comprises an outermost rotary drum 1, as shown in fig. 2, the rotary drum 1 comprises an inner steel cylinder 11 and an outer rubber wear-resistant sleeve 12, the rubber wear-resistant sleeve 12 is made of nitrile rubber, a support cylinder 2 is arranged in the rotary drum 1, the support cylinder 2 is a steel cylinder, a central shaft 3 is arranged in the support cylinder 2, a middle bracket 31 is arranged in the middle of the central shaft 3, as shown in fig. 3, the middle bracket 31 comprises an ellipsoid part 311, axial connecting columns 312 are respectively arranged at the left end and the right end of the ellipsoid part 311, the axial connecting columns 312 are provided with internal threads, the central shaft 3 further comprises support shafts 32 respectively arranged at the left side and the right side of the ellipsoid part 311, taking the left support shaft 32 as an example, a connecting rod part 321 is arranged at the right side thereof, the connecting rod part 321 is provided with external threads matched with the connecting columns 312, and the connecting rod part 321 is screwed on the connecting columns 312 and then welded, the support shafts on the right side of the elliptical portion 311 are connected in the same connection manner.

As shown in fig. 3, a radial assembly hole is formed in the middle of the elliptical sphere portion 311, a radial connecting shaft 313 is installed in the assembly hole, step planes are arranged on the upper side and the lower side of the assembly hole, a snap spring 314 is arranged on the radial connecting shaft 313, the snap spring 314 is supported on the step planes, so that the radial connecting shaft 313 is fixed in the assembly hole, end covers 315 are respectively sleeved on the upper end and the lower end of the radial connecting shaft 313, the end covers 315 are welded on the cylinder wall of the supporting cylinder 2, so that the middle support 31 is connected with the supporting cylinder 2, the radial connecting shaft 313 can rotate relative to the end covers 315, so that the supporting cylinder 2 can be installed on the middle support 31 in a swinging manner, bearings 4 are arranged between the two ends of the rotary cylinder 1 and the.

The outer labyrinth seal ring 41 and the inner labyrinth seal ring 42 are respectively arranged on the outer side of the bearing 4 in the rotary drum 1, an oil storage chamber 43 is arranged between the outer labyrinth seal ring 41 and the inner labyrinth seal ring 42, lubricating oil is injected into the oil storage chamber 43, and a gap leading to the bearing 4 is formed between the outer periphery of the inner labyrinth seal ring 42 and the inner peripheral surface of the rotary drum 1, so that the lubricating oil in the oil storage chamber 43 can lubricate the mechanical energy of the bearing 4 all the time, and meanwhile, the lubricating oil can lubricate the space between the outer peripheral surface of the outer labyrinth seal ring 41 and the inner peripheral surface of the rotary drum 1 all the time, therefore, the deviation rectifying roller has good dustproof performance, can keep lubrication for a long time, and prolongs the service life.

As shown in fig. 1, two sides inside the supporting cylinder 2 are respectively provided with a dust-proof sheet 21, each side is provided with three dust-proof sheets, the dust-proof sheets are provided with a central hole, the dust-proof sheets are sleeved on the central shaft 3, the periphery of the dust-proof sheets 21 is attached to the inner wall surface of the supporting cylinder 2, in addition, two ends of the supporting cylinder 2 are respectively provided with a stepped elastic seal 5, the middle part of the stepped elastic seal 5 is provided with a central hole, the stepped elastic seal 5 is sleeved on the central shaft 3, the inner end of the stepped elastic seal 5 is sleeved on the end part of the supporting cylinder 2, and the outer peripheral surface of the inner end of the stepped elastic seal 5 is locked by an annular locking clip 51, and the locking clip 51 is fastened by a screw 52.

As shown in fig. 1, mounting brackets 6 are respectively arranged at two ends of a central shaft 3, each mounting bracket 6 includes a first vertical plate 61, a through hole is formed in the lower portion of each first vertical plate 61, so that the end portion of the central shaft 3 penetrates through the lower portion of each first vertical plate 61, a fixing sleeve 62 is sleeved on the central shaft 3 outside the first vertical plate 61, the fixing sleeve 62 is fixed on the central shaft 3 through a radial set screw 63, the mounting bracket 6 further includes a second vertical plate 64, the second vertical plate 64 is connected with the first vertical plate 61 through an adjusting bolt 65, and the mounting bracket 6 can be fixed on a machine frame of the belt conveyor.

The working principle of the dustproof self-tracking deviation correcting roller of the embodiment is as follows: install this roller of rectifying a deviation from tracking through mounting bracket 6 on the support frame of belt feeder, thereby center pin 3 is fixed, conveyer when the belt feeder takes place the skew, the pressure that the both sides of rotatory cylinder 1 were applyed can be different, thereby rotatory cylinder 1 is unbalanced, at this moment, the inside support section of thick bamboo 2 of rotatory cylinder 1 can swing for radial connecting axle 313, make the skew of the automatic adaptation conveyer belt of rotatory cylinder 1 wobbling angle, 1 both sides of rotatory cylinder are to conveyer belt's reaction force keep balance, reach the effect of rectifying a deviation, when rotatory cylinder 1 swings, dustproof piece 21 and cascaded elastic seal 5 can take place deformation. When the self-tracking deviation correcting roller is used, the dustproof sheet 21 and the stepped elastic seal 5 can prevent external dust and muddy water from entering the inside, so that the self-tracking deviation correcting roller plays a role in protection and prevents the inside of the support cylinder 2 from being rusted or blocked when being used for a long time. On the other hand, since the lubricating oil is stored in the oil storage chamber 43 formed between the outer labyrinth seal 41 and the inner labyrinth seal 42, the bearing 4 can be lubricated well in a long-term use, so that the rotary drum 1 can be stably operated for a long time, and the maintenance workload can be reduced.

The present invention has been described in detail with reference to the accompanying drawings and embodiments, but those skilled in the art will understand that various specific parameters in the above embodiments can be changed or equivalent substitutions can be made on related components, structures and materials without departing from the technical concept of the present invention, thereby forming a plurality of specific embodiments, which are common variations of the present invention and will not be described in detail herein.

Claims

1. The utility model provides a dustproof self-tracking roller of rectifying, includes rotary drum, be equipped with a support section of thick bamboo in the rotary drum, the inside center pin that is equipped with of a support section of thick bamboo, the center pin middle part is equipped with the intermediate support, but support section of thick bamboo wobbling is installed on the intermediate support, the rotary drum both ends with be equipped with the bearing between the support section of thick bamboo, its characterized in that rotary drum is internal to be located the bearing outside is equipped with outer labyrinth seal circle and interior labyrinth seal circle respectively, be equipped with the oil storage room between outer labyrinth seal circle and the interior labyrinth seal circle, it has lubricating oil to pour into in the oil storage room.

2. The dustproof self-tracking deviation correcting roller according to claim 1, wherein dust-proof sheets are respectively arranged on two sides inside the supporting cylinder, and the dust-proof sheets are sleeved on the central shaft; and stepped elastic seals are respectively arranged at two ends of the support cylinder, and are arranged on the central shaft.

3. The dustproof self-tracking deviation-correcting roller according to claim 1, wherein the middle support comprises an ellipsoid part, the left and right ends of the ellipsoid part are respectively provided with an axial connecting column, the central shaft comprises supporting shafts respectively positioned at the left and right sides of the ellipsoid part, and the axial connecting columns are correspondingly connected to the corresponding end parts of the supporting shafts; the middle of the elliptical ball part is provided with a radial assembly hole, a radial connecting shaft is installed in the assembly hole, and the upper end and the lower end of the radial connecting shaft are respectively installed on the cylinder wall of the supporting cylinder.

4. The dustproof self-tracking deviation correcting roller according to claim 1, wherein mounting frames are respectively arranged at two ends of the central shaft, each mounting frame comprises a first vertical plate, the end of the central shaft penetrates through the lower part of the first vertical plate, a fixing sleeve is sleeved on the central shaft and positioned outside the first vertical plate, and the fixing sleeve is fixed on the central shaft through a radial set screw; the mounting bracket further comprises a second vertical plate, and the second vertical plate is connected with the first vertical plate through an adjusting bolt.

5. The dustproof self-tracking deflection correcting roller according to claim 1, wherein the rotating drum comprises an inner steel cylinder and an outer rubber wear sleeve.