CN216835797U

CN216835797U - Roller carrier of belt conveyer

Info

Publication number: CN216835797U
Application number: CN202220135747.8U
Authority: CN
Inventors: 林远银; 谢览光; 王军
Original assignee: Panzhihua Panmei Mining Machinery Manufacturing Co ltd
Current assignee: Panzhihua Panmei Mining Machinery Manufacturing Co ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-06-28
Anticipated expiration: 2032-01-18

Abstract

The utility model provides a simple structure can improve conveyer belt life and clear away effectual belt conveyor bearing roller frame to dry, wet material on the conveyer belt, relates to belt conveyor technical field. Belt conveyer bearing roller frame, including support and set up bearing roller group and a plurality of group lower bearing roller group on a plurality of groups on the support, lower bearing roller group sets up the below at last bearing roller group, lower bearing roller group includes left side roller, middle roller and right roller, middle roller sets up between left side roller and right roller, middle roller forms the conveyer belt bearing structure of the style of calligraphy of falling V with left side roller and the cooperation of right roller. The utility model discloses belt conveyor's use cost has been reduced.

Description

Roller carrier of belt conveyer

Technical Field

The invention relates to the technical field of belt conveyors, in particular to a roller carrier of a belt conveyor.

Background

In a belt conveyor, a conveying belt and carrier rollers are two important parts and belong to wearing parts, the cost of the wearing parts accounts for 30% -50% of the whole project, the number of the carrier rollers is large, and the working state of the carrier rollers has a direct relation to the normal operation and the cost of the conveyor.

In the conveyer operation in-process, the problem of conveyer belt off tracking can all be inevitable to take place for the upper strata of conveyer belt because various factors, lead to the conveyer belt upper strata to transport the goods and spill the return stroke of lower floor and return empty conveyer belt upper surface, these unrestrained goods are attached to return stroke conveyer belt upper surface, when the tail of the aircraft, if the vacant lot sweeper of tail can not be with attachment clean up, the attachment will get into tail redirecting roller, will glue on the roller surface, it is more to glue, adhesive force is also bigger and bigger, the result causes the conveyer belt off tracking serious, conveyer belt both sides wearing and tearing are serious, reduce conveyer belt life, can also cause conveyer belt face glue and roller rubber coating to tear sometimes and cause the cylinder to damage.

In order to remove the goods on the upper surface of the return conveyor belt, two main ways are adopted: 1. the sweeper is arranged at the head roller and the tail roller, so that the attached materials cannot enter the return section, the working conditions of a carrier roller and a conveying belt of the return section are greatly improved, but when the humidity of the transported materials is high, water or dust exists and the viscosity is high, particularly, most joints of an adhesive tape of an underground coal mine conveyor adopt horseshoe-shaped openings as joints, and the sweeper cannot play a corresponding role; 2. adopt conveyer tilting mechanism, it is after the conveyer belt passes through the discharge point with its reversal 180, makes its cleaning surface and lower bearing roller group contact, and the attachment that the sweeper did not clear up drops, again with its 180 reversal before the conveyer belt gets into tail cylinder, guarantees that the working face of conveyer belt faces up. The overturning structure for cleaning the attachments on the conveying belt has the advantages that the overturning structure has a complex effect, a certain design difficulty is realized, and when the overturning structure is used, particularly when the conveying belt is overturned to be vertical downwards, due to the gravity of the conveying belt, a large friction force is received on one side of the conveying belt, so that the abrasion on one side of the conveying belt is serious.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a simple structure is provided, can improve conveyer belt life and clear away effectual belt conveyor bearing roller frame to dry, wet material on the conveyer belt.

The utility model provides a technical scheme that its technical problem adopted is: belt conveyer bearing roller frame, including support and set up bearing roller group and a plurality of group lower bearing roller group on a plurality of groups on the support, lower bearing roller group sets up the below at last bearing roller group, lower bearing roller group includes left side roller, middle roller and right roller, middle roller sets up between left side roller and right roller, middle roller forms the conveyer belt bearing structure of the style of calligraphy of falling V with left side roller and the cooperation of right roller.

Furthermore, an opening adjusting mechanism for adjusting the distance between the left side roller and the right side roller and the distance between the support and the right side roller are respectively arranged between the support and the left side roller and between the support and the right side roller, so that the opening of the conveying belt supporting structure is adjusted.

Further, the opening degree adjusting mechanism comprises an edge roller mounting seat connected with the support in a sliding mode along the axis direction of the middle roller and a locking mechanism used for locking the position of the edge roller mounting seat.

Furthermore, a left roller inclination angle adjusting mechanism used for adjusting the inclination angle of the left roller relative to the vertical direction is arranged between the support and the left roller, and a right roller inclination angle adjusting mechanism used for adjusting the inclination angle of the right roller relative to the vertical direction is arranged between the support and the right roller.

Furthermore, the left side roller inclination angle adjusting mechanism and the right side roller inclination angle adjusting mechanism respectively comprise hinge shafts; the hinge shaft is connected with the support in a sliding mode through a sliding groove extending along the axial direction of the middle roller, and one end of the side roller mounting seat is rotatably connected with the hinge shaft; the locking mechanism is a locking bolt, the locking bolt is arranged in a strip-shaped hole at the other end of the edge roller mounting seat, and the support is provided with a plurality of positioning holes used for being matched with the locking bolt to lock the position of the edge roller mounting seat.

Furthermore, a height adjusting structure for adjusting the installation height of the middle roller is arranged on the support.

Further, the upper idler set forms a trough-type support structure that supports the conveyor belt.

The utility model has the advantages that: the utility model discloses a bearing roller frame is to the conveyer belt back to debris on the vacant section clear away effectually, can reduce the attachment on the cylinder, simultaneously, this bearing roller frame need not set up conveyer tilting mechanism, simple structure, and it is convenient to maintain, can not lead to the conveyer belt eccentric wear, has improved conveyer belt life, has reduced belt conveyor's use cost.

Drawings

FIG. 1 is a schematic structural view of a carrier roller frame of a belt conveyor of the present invention;

fig. 2 is a schematic structural view of the lower carrier roller group of the present invention;

FIG. 3 is a schematic view of the present invention in use;

FIG. 4 is an enlarged view at A of FIG. 2;

shown in the figure: support 1, upper supporting roller group 2, lower supporting roller group 3, conveyer belt 4, flat supporting roller 5, cylinder 6, spout 11, hinge 12, locking bolt 13, locating hole 14, left side roller 31, middle roller 32, right side roller 33, limit roller mount pad 34, vertical bar hole 36, bar hole 341.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

As shown in fig. 1 and 2, the utility model discloses a belt conveyor bearing roller frame, including support 1 and a plurality of groups of setting on support 1 bearing roller group 2 and a plurality of groups lower bearing roller group 3, lower bearing roller group 3 sets up in the below of last bearing roller group 2. The upper carrier roller group 2 is used for supporting the conveying belt loading section, and the lower carrier roller group 3 is used for supporting the conveying belt returning section. Lower bearing roller group 3 includes left side roller 31, middle roller 32 and right side roller 33, middle roller 32 sets up between left side roller 31 and right side roller 33, middle roller 32 forms the conveyer belt bearing structure of the low style of calligraphy of falling V in high both sides in the middle of the cooperation of left side roller 31 and right side roller 33.

As shown in fig. 3, when the carrier roller frame returns to the empty return stroke of the conveying belt 4, the empty return section of the conveying belt 4 can be inverted V-shaped, so that the goods on the loading section of the conveying belt on the upper layer fall on the empty return section of the conveying belt 4 and fall off from the conveying belt automatically under the action of gravity, even if the viscosity of the materials is large, the materials are easy to fall off from the conveying belt under the action of the left roller 31 and the right roller 33. Therefore, the roller frame has a good effect of removing sundries on the return empty section of the conveying belt, can reduce attachments on the roller 6, does not need to be provided with a conveyor turnover mechanism, has a simple structure, does not cause eccentric wear of the conveying belt, and can prolong the service life of the conveying belt.

When impurities are cleaned, if the conveying belt is directly transited to the inverted V-shaped conveying belt with a certain inclination from the horizontal one step, the operation and the service life of the conveying belt are affected, so that the return empty section of the conveying belt is transited smoothly as much as possible when the impurities are cleaned. Namely, the conveyor belt returning empty section gradually changes from the horizontal to the inverted V shape with a certain inclination after passing through the front roller, and gradually changes to the horizontal after running for a certain distance. Therefore, the requirements for the inclination of the two sides of the conveying belt supported by the lower carrier roller group at different positions of the conveyor may be different, and the opening size of the conveying belt supporting structure formed by the lower carrier roller group needs to be adjusted according to specific positions. In addition, the maximum inclination requirements of the two sides of the conveyer belt are different when the conveyer belt is inverted V-shaped due to different dryness and humidity of the materials, and the opening size of the conveyer belt supporting structure also needs to be adjusted according to actual conditions. In order to adjust the size of the opening of the supporting structure of the conveying belt and further adjust the inclination of the two sides of the return empty section of the conveying belt according to the actual situation and the position of the lower carrier roller group 3 on the belt conveyor, it is preferable that an opening adjusting mechanism for adjusting the distance between the left roller 31 and the right roller 33 and adjusting the size of the opening of the supporting structure of the conveying belt is respectively arranged between the bracket 1 and the left roller 31 and between the bracket 1 and the right roller 33.

In fig. 2, the opening degree adjusting mechanism includes a side roller mounting seat 34 slidably connected to the frame 1 in the axial direction of the intermediate roller 32, and a lock mechanism for locking the position of the side roller mounting seat 34. It will be appreciated that the edge roller mounts 34 are used to mount either the left edge roller 31 or the right edge roller 33. The locking mechanism may be a latch, locking bolt or screw that cooperates with the edge roll mounting block 34 and the bracket 1. If the support 1 is provided with a driving mechanism for controlling the side roller mounting seat 34 to slide, the locking structure can also be a worm gear mechanism or a self-locking screw rod mechanism integrated on the driving mechanism. When the inclination of the two sides of the return empty section of the conveying belt inclining downwards needs to be changed, the edge roller mounting seats 34 on the two sides of the middle roller are slid to proper positions, and then the positions of the edge roller mounting seats 34 are locked through the locking mechanism. In some embodiments, the edge roll mounts 34 may be configured to slidably engage the frame 1 in an arc centered at the highest point of the intermediate roll 32, but this is complicated.

After the distance between the left roller 31 and the right roller 33 changes, in order to make the two sides of the empty returning section of the conveyer belt smoother, preferably, a left roller inclination angle adjusting mechanism for adjusting the inclination angle of the left roller 31 relative to the vertical direction is arranged between the bracket 1 and the left roller 31, and a right roller inclination angle adjusting mechanism for adjusting the inclination angle of the right roller 33 relative to the vertical direction is arranged between the bracket 1 and the right roller 33. When the distance between the left roller 31 and the right roller 33 is increased, the left roller 31 can rotate clockwise through the inclination angle adjusting mechanism, and the right roller 33 rotates against the potential needle, so that the inclination of the left roller 31 and the right roller 33 is adjusted, and the two sides of the empty returning section of the conveyor belt are smoother. Therefore, sundries on the returning empty section of the conveying belt drop more smoothly, and meanwhile, the abrasion and the resistance of the lower carrier roller set to the conveying belt can be reduced.

Specifically, as shown in fig. 4, the left roll inclination angle adjustment mechanism and the right roll inclination angle adjustment mechanism respectively include a hinge shaft 12; the hinge shaft 12 is connected with the bracket 1 in a sliding way through a chute 11 extending along the axial direction of the middle roller 32, and one end of the side roller mounting seat 34 is connected with the hinge shaft 12 in a rotating way so as to rotate around the hinge shaft 12 and adjust the inclination angle of the side roller; the locking mechanism is a locking bolt 13, the locking bolt 13 is arranged in a strip-shaped hole 341 at the other end of the edge roller mounting seat 34, and the bracket 1 is provided with a plurality of positioning holes 14 which are used for being matched with the locking bolt 13 to lock the position of the edge roller mounting seat 34. The lock bolt 13 can lock the inclination angle and the position in the axial direction of the intermediate roller 32 of the edge roller mount 34 (edge roller) by engaging with different positioning holes 14. In the drawing, the positioning holes 14 are arranged in the axial direction of the intermediate roller.

The utility model discloses in, be equipped with the height adjustment structure that is used for adjusting the mounting height of middle roller 32 on the support 1. In fig. 2, the height adjusting structure is a vertical bar hole 36 arranged on the mounting seat of the middle roller 32, the vertical bar hole 36 is bar-shaped and vertically arranged, a connecting bolt connected with the bracket 1 is arranged in the vertical bar hole 36 in a penetrating manner, and the mounting height of the middle roller 32 can be adjusted through the vertical bar hole 36. In some embodiments, the bearing seat of the intermediate roller 32 is vertically slidably disposed on the mounting seat of the intermediate roller 32, and a screw rod matched with the bearing seat of the intermediate roller 32 is further disposed on the mounting seat of the intermediate roller 32, and the screw rod pushes the bearing seat to move up and down, so as to adjust the mounting height of the intermediate roller 32.

The utility model discloses in, upper roll group 2 forms the cell type bearing structure who supports the conveyer belt to reduce the goods and drop.

Claims

1. Belt conveyor bearing roller frame, including support (1) and set up bearing roller group (2) and a plurality of group lower bearing roller group (3) on a plurality of groups on support (1), lower bearing roller group (3) set up in the below of last bearing roller group (2), its characterized in that: lower bearing roller group (3) include left side roller (31), middle roller (32) and right side roller (33), middle roller (32) set up between left side roller (31) and right side roller (33), middle roller (32) and left side roller (31) and right side roller (33) cooperation form the conveyer belt bearing structure of the style of calligraphy of falling V.

2. The belt conveyor idler frame of claim 1, wherein: and an opening adjusting mechanism for adjusting the distance between the left roller (31) and the right roller (33) is respectively arranged between the support (1) and the left roller (31) and between the support (1) and the right roller (33), so that the opening of the conveying belt supporting structure is adjusted.

3. The belt conveyor idler frame of claim 2, wherein: the opening degree adjusting mechanism comprises a side roller mounting seat (34) connected with the support (1) in a sliding mode along the axial direction of the middle roller (32) and a locking mechanism used for locking the position of the side roller mounting seat (34).

4. The belt conveyor idler frame of claim 3, wherein: be equipped with the left side roller inclination angle guiding mechanism who is used for adjusting left side roller (31) for the inclination of vertical direction between support (1) and left side roller (31), be equipped with the right side roller inclination angle guiding mechanism who is used for adjusting right side roller (33) for the inclination of vertical direction between support (1) and right side roller (33).

5. The belt conveyor idler frame of claim 4, wherein: the left side roller inclination angle adjusting mechanism and the right side roller inclination angle adjusting mechanism respectively comprise a hinge shaft (12); the hinge shaft (12) is connected with the support (1) in a sliding mode through a sliding groove (11) extending along the axial direction of the middle roller (32), and one end of the side roller mounting seat (34) is rotatably connected with the hinge shaft (12); the locking mechanism is a locking bolt (13), the locking bolt (13) is arranged in a strip-shaped hole (341) at the other end of the edge roller mounting seat (34), and the support (1) is provided with a plurality of positioning holes (14) used for being matched with the locking bolt (13) to lock the position of the edge roller mounting seat (34).

6. The belt conveyor idler frame of any one of claims 1-5, wherein: and a height adjusting structure for adjusting the mounting height of the middle roller (32) is arranged on the bracket (1).

7. The belt conveyor idler frame of claim 1, wherein: the upper carrier roller group (2) forms a groove-shaped supporting structure for supporting the conveying belt.