CN219009006U - Idler and conveyor apparatus - Google Patents

Abstract

The embodiment of the utility model discloses a carrier roller and conveyor belt equipment, wherein the carrier roller comprises: the labyrinth seal device comprises a roller, a roller shaft, a labyrinth seal assembly, an end bearing component, a middle bearing component, an end bearing seat and a middle bearing seat; the roller is internally provided with an axially extending shaft hole, the roller shaft penetrates through the shaft hole, two end bearing seats are respectively arranged at two end positions in the shaft hole, the middle bearing seat is arranged at the middle position in the shaft hole, and a middle bearing component is arranged in the middle bearing seat; the end bearing seat is provided with an installation cavity, an inner side opening and an outer side opening which are communicated with the installation cavity, the end bearing component is provided with a plurality of end bearing components and is respectively installed in the installation cavity of each end bearing seat, the roll shaft can penetrate through the inner side opening, the installation cavity and the outer side opening to extend out of the shaft hole, and the labyrinth seal component is provided with two groups and respectively seals the outer side opening of each end bearing seat. And labyrinth sealing assemblies are respectively arranged at the outer side openings of the end bearing seats, so that external dust is not easy to abrade the end bearing parts.

Description

Idler and conveyor apparatus

Technical Field

The utility model relates to the technical field of belt conveying systems, in particular to a carrier roller and conveyor belt device.

Background

The carrier rollers are important parts of the belt conveyor, are various in variety and large in quantity, and can support the weight of the conveying belt and the materials. It accounts for 35% of the total cost of a belt conveyor, and generates more than 70% of resistance, so the quality of the carrier roller is particularly important. The dustproof performance is one of important indexes for measuring the performance of a carrier roller, the dustproof capability of two ends of the existing carrier roller for mines is poor, dust easily enters the bearing, and the bearing is worn.

Disclosure of Invention

In view of the above, the utility model provides a carrier roller and a conveyor belt device, which are used for solving the problems that dust-proof capacity at two ends of the carrier roller is poor, dust easily enters a bearing and the bearing is worn.

In a first aspect, the present utility model provides a carrier roller comprising: the labyrinth seal device comprises a roller, a roller shaft, a labyrinth seal assembly, an end bearing component, a middle bearing component, an end bearing seat and a middle bearing seat;

the roller is internally provided with an axially extending shaft hole, the roller shaft penetrates through the shaft hole, two end bearing seats are respectively arranged at two end positions in the shaft hole, a middle bearing seat is arranged at the middle position in the shaft hole, and a middle bearing component is arranged in the middle bearing seat;

the end bearing seat is provided with an installation cavity, an inner side opening and an outer side opening, wherein the inner side opening and the outer side opening are communicated with the installation cavity, the end bearing components are provided with a plurality of end bearing components and are respectively installed in the installation cavity of each end bearing seat, the roll shaft can penetrate through the inner side opening, the installation cavity and the outer side opening to extend out of the shaft hole, and the labyrinth seal component is provided with two groups and respectively seals the outer side opening of each end bearing seat.

Preferably, the labyrinth seal assembly comprises a first seal member and a second seal member, wherein the first seal member is provided with a plurality of first annular teeth, the second seal member is provided with a plurality of second annular teeth matched with the first annular teeth, and each first annular tooth is in radial clearance fit with each second annular tooth;

the first sealing piece is connected to the inner wall of the installation cavity, and the second sealing piece is sleeved on the outer wall of the roll shaft.

Preferably, the carrier roller further comprises two pressing covers, and the pressing covers are respectively arranged at the outer side openings of the end bearing seats so as to be capable of axially abutting against the labyrinth seal component.

Preferably, the shaft hole comprises a first hole section, a second hole section, a third hole section and a fourth hole section which are sequentially communicated, the aperture of the first hole section is the same as that of the fourth hole section, and the two end bearing seats are respectively arranged on the first hole section and the fourth hole section;

the aperture of the third hole section is smaller than that of the fourth hole section, the aperture of the second hole section is smaller than that of the third hole section, and the middle bearing seat can pass through the fourth hole section so as to be assembled in the third hole section.

Preferably, a plurality of end bearing members are disposed within each of said end bearing housings.

Preferably, the roller is a structural member made of polytetrafluoroethylene material.

In a second aspect, the utility model also provides a conveyor apparatus comprising a cradle and a set of idlers, the set of idlers comprising a plurality of idlers as in any one of the embodiments described above, each of the idlers being mounted to the cradle.

Preferably, the carrier roller group comprises three carrier rollers, wherein the three carrier rollers are a first carrier roller, a second carrier roller and a third carrier roller respectively, and the first carrier roller and the second carrier roller are symmetrically arranged on two sides of the third carrier roller and are respectively arranged at an angle with the third carrier roller.

Preferably, the conveyor belt device further comprises a conveyor belt body, and the conveyor belt body is arranged on a conveying surface formed by each carrier roller so as to drive the conveyor belt body to move.

Preferably, the conveyor belt device further comprises a base, and the bracket is arranged on the base.

The implementation of the embodiment of the utility model has the following beneficial effects:

according to the carrier roller disclosed by the utility model, the labyrinth sealing component is arranged at the outer side opening of each end bearing seat so as to seal the outer side opening of each end bearing seat, the outer side opening is communicated with the mounting cavity, the end bearing component is arranged in the mounting cavity, and the labyrinth sealing component is provided with a plurality of tortuous small chambers inside, so that external dust is not easy to enter the mounting cavity through each small chamber to abrade the end bearing component, and the service life of the bearing is prolonged. Further, through setting up the middle part bearing frame in the intermediate position department in the shaft hole, alleviateed the bearing capacity of tip bearing part, avoided the tip bearing part when rotatory, the condition that the card changes appears because of the bearing capacity that receives is too big, and then guaranteed the steady rotation of bearing roller.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Wherein:

fig. 1 is a block diagram of a carrier roller in accordance with an embodiment of the present utility model.

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

Fig. 3 is a block diagram of a conveyor belt apparatus according to another embodiment of the present utility model.

Description of main reference numerals:

100. a roller; 110. a shaft hole; 112. a second bore section; 113. a third bore section; 120. a gland; 130. an end cap; 200. a roll shaft; 300. a labyrinth seal assembly; 310. a first seal; 311. a first annular tooth; 320. a second seal; 321. a second annular tooth; 400. a middle bearing seat; 410. a middle bearing member; 500. an end bearing seat; 510. an end bearing member; 520. a mounting cavity; 530. an inner side port; 600. a bracket; 610. a first bracket; 620. a second bracket; 700. a carrier roller group; 710. a first idler; 720. a second idler; 730. a third carrier roller; 800. a conveyor belt body; 900. a base.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are correspondingly changed.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Referring to fig. 1 and 2, an idler according to an embodiment includes: roller 100, roller shaft 200, labyrinth seal assembly 300, end bearing member 510, middle bearing member 410, end bearing housing 500, and middle bearing housing 400; the roller 100 is internally provided with an axially extending shaft hole 110, the roller shaft 200 penetrates through the shaft hole 110, two end bearing seats 500 are respectively arranged at two end positions in the shaft hole 110, the middle bearing seat 400 is arranged at the middle position in the shaft hole 110, and a middle bearing component 410 is arranged in the middle bearing seat 400; the end bearing housing 500 is provided with a mounting cavity 520, and an inner side port 530 and an outer side port communicating with the mounting cavity 520, the end bearing member 510 is provided in plurality and is respectively mounted in the mounting cavity 520 of each end bearing housing 500, the roll shaft 200 can pass through the inner side port 530, the mounting cavity 520 and the outer side port to protrude to the outside of the shaft hole 110, and the labyrinth seal assembly 300 is provided with two groups and respectively seals the outer side port of each end bearing housing 500.

According to the carrier roller disclosed by the utility model, the labyrinth seal assemblies 300 are respectively arranged at the outer side openings of the end bearing seats 500 to seal the outer side openings of the end bearing seats 500, the outer side openings are communicated with the mounting cavity 520, the end bearing parts 510 are arranged in the mounting cavity 520, and the labyrinth seal assemblies 300 are provided with a plurality of tortuous small chambers inside, so that external dust is not easy to enter the mounting cavity 520 through the small chambers to abrade the end bearing parts 510, and the service life of the bearing is prolonged.

Further, by arranging the middle bearing seat 400 at the middle position in the shaft hole 110, the bearing capacity of the end bearing component 510 is reduced, the situation that the end bearing component 510 is blocked and rotated due to overlarge bearing capacity when rotating is avoided, and further stable rotation of the carrier roller is ensured.

In this embodiment, referring to fig. 1, the middle bearing member 410 is provided with one and is a deep groove ball bearing. In other embodiments, the middle bearing member 410 may be provided with two, three or more, the number of middle bearing members 410 being primarily dependent on the size of the mass of the roll shaft 200, and the length dimension of the roll shaft 200 extension. Deep groove ball bearings are the most commonly used rolling bearings. The device is mainly used for bearing radial load and has the advantages of simple structure, convenient use and low manufacturing cost.

In some embodiments, referring to fig. 1 and 2, labyrinth seal assembly 300 includes a first seal 310 and a second seal 320, first seal 310 having a plurality of first annular teeth 311, second seal 320 having a plurality of second annular teeth 321 that mate with first annular teeth 311, each first annular tooth 311 radially clearance-fitted with each second annular tooth 321; the first seal 310 is connected to the inner wall of the installation cavity 520, and the second seal 320 is sleeved on the outer wall of the roll shaft 200. Labyrinth seal assembly 300 is in transition fit with the inner wall of mounting cavity 520, and each first annular tooth 311 and each second annular tooth 321 are in radial clearance fit to form a plurality of small chambers, and each small chamber is bent and connected to form a channel similar to a labyrinth, so that external dust is not easy to reach into mounting cavity 520 through each small chamber to wear end bearing component 510, bearing locking phenomenon occurs due to aggravation of wear of end bearing component 510, and equipment is stopped or a motor is burnt out.

In some embodiments, referring to fig. 2, the carrier roller further includes a gland 120, where the gland 120 is provided with two glands and is respectively disposed at the outer ports of the end bearing seats 500 so as to be capable of axially abutting the labyrinth seal assembly 300. The gland 120 may prevent external dust from entering the labyrinth seal assembly 300 through the gland 120 by interference fit with the inner wall of the mounting cavity 520 and by axial abutment with the first seal 310.

In some embodiments, referring to fig. 2, the carrier roller further includes end caps 130, where two end caps 130 are respectively disposed at the outer ports of the end bearing seats 500, so as to be capable of axially abutting against the gland 120, so that external dust cannot enter the gland 120 through the end caps 130.

In some embodiments, referring to fig. 1, the shaft hole 110 includes a first hole section, a second hole section 112, a third hole section 113 and a fourth hole section that are sequentially connected, the first hole section has the same aperture as the fourth hole section, and two end bearing seats 500 are respectively installed on the first hole section and the fourth hole section; the third hole section 113 has a smaller hole diameter than the fourth hole section, and the second hole section 112 has a smaller hole diameter than the third hole section 113, through which the middle bearing housing 400 can pass to be fitted in the third hole section 113. The aperture of the third hole section 113 is smaller than that of the fourth hole section, so that the middle bearing seat 400 can be conveniently pressed into the third hole section 113 through the fourth hole section, the aperture of the second hole section 112 is smaller than that of the third hole section 113, the middle bearing seat 400 is conveniently installed and positioned, and the middle bearing seat 400 is prevented from being pressed into the shaft hole 110 too deeply and is not positioned at the middle position in the shaft hole 110. The intermediate position of the intermediate bearing housing 400 within the shaft bore 110 facilitates balancing the amount of load bearing force experienced by the end bearing members 510 at both ends.

In some embodiments, referring to fig. 1 and 2, a plurality of end bearing members 510 are disposed within each end bearing housing 500. The end bearing members 510 are used to bear the weight of the roller shaft 200.

In this embodiment, referring to fig. 1 and 2, two end bearing components 510 are disposed in each end bearing seat 500, so that the lubrication performance is good, the bearing capacity is large, the end bearing components 510 are not easy to be blocked, and the end bearing components 510 are deep groove ball bearings. In other implementations, three, four, or more end bearing members 510 may be disposed within each end bearing housing 500, without limitation. Deep groove ball bearings are the most commonly used rolling bearings. The device is mainly used for bearing radial load and has the advantages of simple structure, convenient use and low manufacturing cost.

In some embodiments, referring to FIG. 1, roll 100 is a structural member made of polytetrafluoroethylene material. The structural members made of polytetrafluoroethylene material have the advantages of wear resistance, corrosion resistance and light weight compared to the conventional structural members made of iron, and the good wear resistance and corrosion resistance can lengthen the service life of the roll 100. The wear resistance of the carrier roller is more than 3 times of that of a steel carrier roller. The light-weight rotary inertia is small, so that the starting inertia of the whole machine is small, the whole machine is easy to start and brake, the energy consumption can be saved, the driving energy consumption is reduced, the light-weight rotary inertia is also convenient for the maintenance and replacement of the carrier roller, and the carrier roller is convenient to lift and install by a single person, is maintenance-free and saves manpower. Compared with the traditional structural member made of rubber materials, the structural member made of polytetrafluoroethylene materials has the advantage of small friction coefficient, can reduce the abrasion loss of a conveyor belt matched with the structural member, reduces the consumption of the conveyor belt, has the advantage of reducing running noise and vibration compared with the traditional structural member made of rubber materials and iron, has the advantage of only 3-7 dB in running noise, and has the advantages of high pipe body precision, high coaxiality, high roundness, high straightness and uniform wall thickness of the roller 100 made of polytetrafluoroethylene materials, so that the roller 100 is more stable in running. The roller 100 made of polytetrafluoroethylene material has excellent anti-sticking performance, is not easy to adhere foreign matters in winter and is not easy to cause belt damage. The ultra-high molecular polyethylene carrier roller has 2200 or 2400 length, and because the carrier roller mounting position is in the high altitude, the carrier roller of this material is lower than iron carrier roller fault rate, operates steadily, and the noise is little, changes and need not take too much manpower, has reduced the danger that the high altitude carrier roller was changed, and personnel's transport is light, and the maintenance is simpler. And the roller is more durable and energy-saving than iron rollers with the same size.

Referring to fig. 1-3, a conveyor apparatus of an embodiment includes a support 600 and a set of idlers 700, the set of idlers 700 including a plurality of idlers according to any of the above embodiments, each idler mounted to the support 600.

By providing the labyrinth seal 300 at the outer port of each end bearing housing 500 to seal the outer port of the end bearing housing 500, which communicates with the mounting cavity 520, the end bearing member 510 is provided in the mounting cavity 520, and the labyrinth seal 300 has a plurality of tortuous cells therein, so that external dust is not likely to enter the mounting cavity 520 through the respective cells to abrade the end bearing member 510. Thereby prolonging the service life of the bearing, further, by arranging the middle bearing seat 400 at the middle position in the shaft hole 110, the bearing capacity of the end bearing component 510 is lightened, and the condition that the end bearing component 510 is blocked and rotated due to overlarge bearing capacity when rotating is avoided, so that the stable rotation of the carrier roller is ensured.

In some embodiments, referring to fig. 3, the idler set 700 includes three idlers, which are a first idler 710, a second idler 720, and a third idler 730, respectively, and the first idler 710 and the second idler 720 are symmetrically disposed on two sides of the third idler 730 and are disposed at an angle with respect to the third idler 730, respectively. In this embodiment, the idler set 700 is used on mining equipment, so as to be capable of conveying some mineral resources such as coal, and the mineral resources are easy to fall off from two sides of the idler set 700 due to irregular shapes and sizes, and the first idler 710 and the second idler 720 are arranged at angles with the third idler 730, so that the mineral resources conveyed by the idler set 700 cannot fall off from two sides, and stable conveying of the mineral resources on the idler set 700 is ensured.

In this embodiment, referring to fig. 3, the support 600 includes a first support 610 and a second support 620, where the first support 610 and the second support 620 are 2, the first support 610 and the second support 620 are symmetrically disposed on two sides of the third support, the first support 610 is composed of an inclined support and a vertical support, the inclined support and the vertical support form an acute angle, two ends of the third support roller 730 are respectively connected with two vertical supports, the first support roller 710 is connected with the inclined support and one of the second supports, and the second support roller 720 is connected with the other inclined support and the other second support, so that the first support roller 710 and the second support roller 720 are both disposed at an angle with the third support roller 730.

In some embodiments, referring to fig. 3, the conveyor apparatus further includes a conveyor body 800, where the conveyor body 800 is disposed on a conveying surface formed by the carrier rollers, so as to enable the conveyor body 800 to move. The rotation of idler set 700 drives the movement of a conveyor belt disposed on the conveying surface of idler set 700.

In some embodiments, referring to fig. 3, the conveyor apparatus further includes a base 900, the stand 600 is disposed on the base 900, and the base 900 is plate-shaped. In some embodiments, the base 900 needs to be fixedly connected to the ground to provide stable support for the stand 600.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing disclosure is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, which is defined by the appended claims.

Claims (10)

1. The utility model provides a bearing roller which characterized in that: comprising the following steps: the labyrinth seal device comprises a roller, a roller shaft, a labyrinth seal assembly, an end bearing component, a middle bearing component, an end bearing seat and a middle bearing seat;

the roller is internally provided with an axially extending shaft hole, the roller shaft penetrates through the shaft hole, two end bearing seats are respectively arranged at two end positions in the shaft hole, a middle bearing seat is arranged at the middle position in the shaft hole, and a middle bearing component is arranged in the middle bearing seat;

the end bearing seat is provided with an installation cavity, an inner side opening and an outer side opening, wherein the inner side opening and the outer side opening are communicated with the installation cavity, the end bearing components are provided with a plurality of end bearing components and are respectively installed in the installation cavity of each end bearing seat, the roll shaft can penetrate through the inner side opening, the installation cavity and the outer side opening to extend out of the shaft hole, and the labyrinth seal component is provided with two groups and respectively seals the outer side opening of each end bearing seat.

2. A carrier roller as claimed in claim 1, wherein: the labyrinth seal assembly comprises a first seal piece and a second seal piece, wherein the first seal piece is provided with a plurality of first annular teeth, the second seal piece is provided with a plurality of second annular teeth matched with the first annular teeth, and each first annular tooth is in radial clearance fit with each second annular tooth;

the first sealing piece is connected to the inner wall of the installation cavity, and the second sealing piece is sleeved on the outer wall of the roll shaft.

3. A carrier roller as claimed in claim 2, wherein: the carrier roller further comprises two pressing covers, wherein the pressing covers are respectively arranged at the outer side openings of the end bearing seats and can axially abut against the labyrinth seal component.

4. A carrier roller as claimed in claim 1, wherein: the shaft hole comprises a first hole section, a second hole section, a third hole section and a fourth hole section which are sequentially communicated, the aperture of the first hole section is the same as that of the fourth hole section, and the two end bearing seats are respectively arranged on the first hole section and the fourth hole section;

the aperture of the third hole section is smaller than that of the fourth hole section, the aperture of the second hole section is smaller than that of the third hole section, and the middle bearing seat can pass through the fourth hole section so as to be assembled in the third hole section.

5. A carrier roller as claimed in claim 1, wherein: a plurality of end bearing members are disposed within each of the end bearing housings.

6. A carrier roller as claimed in claim 1, wherein: the roller is a structural member made of polytetrafluoroethylene materials.

7. A conveyor belt apparatus characterized by: a cradle comprising a cradle and a set of idlers, the set of idlers comprising a plurality of idlers according to any one of claims 1 to 6, each of said idlers being mounted to said cradle.

8. The conveyor belt apparatus of claim 7 wherein: the carrier roller group includes three the carrier roller, three the carrier roller is first carrier roller, second carrier roller and third carrier roller respectively, first carrier roller with the second carrier roller symmetry set up in the both sides of third carrier roller, and respectively with the third carrier roller is the angle setting.

9. The conveyor belt apparatus of claim 7 wherein: the conveyor belt equipment further comprises a conveyor belt body, wherein the conveyor belt body is arranged on a conveying surface formed by each carrier roller so as to drive the conveyor belt body to move.

10. The conveyor belt apparatus of claim 7 wherein: the conveyor belt device further comprises a base, and the support is arranged on the base.

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