CN211140647U

CN211140647U - Carrier roller mechanism

Info

Publication number: CN211140647U
Application number: CN201922059177.XU
Authority: CN
Inventors: 周洪波; 万丽
Original assignee: Paper Po First Machinery Manufacturing Co ltd
Current assignee: Paper Po First Machinery Manufacturing Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-07-31
Anticipated expiration: 2029-11-26

Abstract

The utility model relates to a bearing roller mechanism, including base and support, be equipped with the middle bearing roller along the horizontal direction on the support respectively, and the left side bearing roller that the slope set up, the right side bearing roller, the left side bearing roller, the one end of right side bearing roller articulates respectively on the support, the other end articulates respectively has flexible part, every flexible part includes the jack, the jack top be equipped with left side bearing roller or right side bearing roller articulated last hinged end, the below be equipped with base articulated lower hinged end, be equipped with compression spring one between the last hinged end of every flexible part and the lower hinged end. This bearing roller mechanism is flexible through flexible part, can change left side bearing roller or right side bearing roller position, and then changes the size that opens and shuts of bearing roller mechanism, can adapt to different material transport requirements, and compression spring one can effectively dissipate the impact energy that the material produced left side bearing roller and right side bearing roller when bearing roller mechanism transports the material simultaneously, has played the cushioning effect to effectively protect the jack, improved bearing roller mechanism life.

Description

Carrier roller mechanism

Technical Field

The utility model relates to a bearing roller, especially a bearing roller mechanism.

Background

The carrier roller is used as a supporting conveyor belt and materials carried by the supporting conveyor belt, and is widely applied to severe environments with open air, large dust and high corrosivity, such as the industrial fields of metallurgy, mining, chemical industry, grain, steel, food processing, cement, water conservancy and the like.

The existing carrier rollers generally comprise an underframe and three groups of carrier rollers arranged on the underframe to form a U-shaped bearing structure for bearing a conveying belt, although some of the existing carrier rollers can adjust the opening angles of the three groups of carrier rollers to change the shape of the belt to adapt to corresponding materials, thereby avoiding material scattering, for example, Chinese publication No. CN208593757U discloses a carrier roller frame opening and closing degree adjusting mechanism which is used for solving the problem that the opening and closing angle of a carrier roller frame can be adjusted. However, the carrier roller frame has a problem that although the opening and closing frame can be adjusted, the carrier roller frame does not have a shock absorption function, when the conveyed material is heavy, such as a coal mine, a large impact force is generated on the structures, such as a screw adjusting mechanism, a movable nut block, a connecting rod and a screw rod, of the opening and closing frame, so that the structures are easily locked, and the opening and closing function of the opening and closing frame is directly failed.

SUMMERY OF THE UTILITY MODEL

The invention of the utility model aims to: the opening and closing of the carrier roller frame in the prior art do not have a damping function, and the technical problem of failure adjustment is easily caused.

In order to realize the purpose, the utility model discloses a technical scheme be:

the utility model provides a bearing roller mechanism, includes base and support, be equipped with the middle bearing roller along the horizontal direction on the support respectively, the both sides of middle bearing roller slope respectively are provided with left side bearing roller, right side bearing roller, left side bearing roller, right side bearing roller are being close to the one end of middle bearing roller articulates respectively on the support, left side bearing roller, right side bearing roller are keeping away from the other end of middle bearing roller articulates respectively has telescopic part, every telescopic part includes the jack, the piston rod top of jack be equipped with left side bearing roller or right side bearing roller tip articulated last hinged end, the below be equipped with base articulated lower hinged end, every still be equipped with compression spring one between telescopic part's last hinged end and the lower hinged end.

The carrier roller mechanism is characterized in that a left carrier roller and a right carrier roller are respectively hinged on a bracket, the end parts of the left carrier roller and the right carrier roller are also hinged with a telescopic part, the bottom of the telescopic part is also hinged on a base, because the telescopic component comprises the jack and the first compression spring and is connected with the base and the corresponding left carrier roller or right carrier roller, therefore, the telescopic component can change the position of the left idler or the right idler through the extension and retraction of the jack, thereby changing the opening and closing size of the carrier roller mechanism, being capable of adapting to different material conveying requirements, meanwhile, as the compression springs I are arranged between the left carrier roller and the base and between the right carrier roller and the base, this compression spring one can effectively dissipate the impact energy that the material produced left side bearing roller and right side bearing roller when bearing roller mechanism transports the material, has played the cushioning effect to effectively protect the jack, improved bearing roller mechanism's life.

Preferably, the compression spring of each telescopic member is sleeved outside the jack.

Preferably, a lower end of the compression spring of each telescopic member is connected to a sleeve of the jack.

Preferably, the left idler and the right idler are respectively provided with a horn port piece at the end part far away from the middle idler. Can carry on spacingly to the belt transport both sides on left side bearing roller and the right side bearing roller, avoid the belt to receive transverse force and take place the skew.

Preferably, at least one damping and shock-absorbing part is connected between the bracket and the base. This damping shock attenuation part can further dissipate the impact ability of material to bearing roller mechanism, reduces the impact noise, further provides the life of bearing roller mechanism.

Preferably, all the damping and shock-absorbing parts are arranged at corresponding positions below the intermediate carrier roller.

Preferably, each damping and shock-absorbing component comprises a top plate connected to the support and a bottom plate connected to the base, a sliding groove is formed in the bottom plate, a sliding block capable of sliding up and down in the sliding groove is arranged on the top plate, and at least one compression spring II is arranged at the bottom of the sliding block and the bottom of the sliding groove.

Preferably, a plurality of second compression springs are arranged between the sliding block and the bottom of the sliding groove.

Preferably, all the second compression springs have different diameters and are concentrically sleeved with each other from small to large according to the diameters.

Preferably, all the second compression springs are identical in size and shape and are uniformly arranged between the sliding block and the bottom of the sliding groove.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the carrier roller mechanism of the utility model, because the left carrier roller and the right carrier roller are respectively hinged on the bracket, and the end parts of the left carrier roller and the right carrier roller are also hinged with the telescopic parts, the bottom of the telescopic parts are also hinged on the base, because the telescopic parts comprise the jack and the first compression spring which are then connected on the base and the corresponding left carrier roller or the right carrier roller, the telescopic parts can change the position of the left carrier roller or the right carrier roller through the extension and retraction of the jack, thereby changing the opening and closing size of the carrier roller mechanism and being capable of adapting to different material conveying requirements, meanwhile, because the first compression spring is also arranged between the left carrier roller and the base and the second compression spring is also arranged between the left carrier roller and the right carrier roller and the base, the first compression spring can effectively dissipate the impact energy of the materials on the left carrier roller and the right carrier roller when the carrier roller, the service life of the carrier roller mechanism is prolonged;

2. the utility model discloses a carrier roller mechanism, the end parts of a left carrier roller and a right carrier roller are respectively provided with a horn port piece, which can be used for shielding and limiting the side surface of a belt on a conveyor, thereby avoiding the deviation of the belt;

3. a bearing roller mechanism still is connected with at least one damping shock attenuation part between support and base, and this damping shock attenuation part can further dissipate the impact capacity of material to bearing roller mechanism, reduces the noise of impact, further provides bearing roller mechanism's life.

Drawings

Fig. 1 is a schematic structural diagram of a carrier roller mechanism according to the present invention;

FIG. 2 is an enlarged schematic view of the telescoping member of FIG. 1;

FIG. 3 is an enlarged sectional view of the damping vibration attenuating member of FIG. 1.

The labels in the figure are:

1. the support comprises a middle support roller, 2, a left support roller, 3, a right support roller, 4, a horn port piece, 5, a support, 6, a base, 7, a telescopic component, 71, a jack, 711, a piston rod, 712, a sleeve, 72, a compression spring I, 73, an upper hinged end, 74, a lower hinged end, 8, a damping and shock-absorbing component, 81, a top plate, 82, a bottom plate, 83, a sliding groove, 84, a sliding block, 85, a compression spring II, 9 and a belt.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Examples

As shown in fig. 1, the carrier roller mechanism comprises a base 6 and a bracket 5, wherein the bracket 5 is respectively provided with a middle carrier roller 1 along the horizontal direction, a left carrier roller 2 and a right carrier roller 3 are respectively obliquely arranged on two sides of the middle carrier roller 1, one ends of the left carrier roller 2 and the right carrier roller 3 close to the middle carrier roller 1 are respectively hinged on the bracket 5, the other ends of the left idler 2 and the right idler 3 far away from the middle idler 1 are respectively hinged with a telescopic part 7, each telescopic part 7 comprises a jack 71, an upper hinged end 73 hinged with the end parts of the left supporting roller 2 and the right supporting roller 3 is arranged above a piston rod 711 of the jack 71, a lower hinged end 74 hinged with the base 6 is arranged below the piston rod 711, and a first compression spring 72 is further arranged between the upper hinged end 73 and the lower hinged end 74 of each telescopic component 7.

As shown in fig. 2, the first compression spring 72 of each telescopic member 7 may also be sleeved outside the jack 71. And the lower end of the first compression spring 72 of each telescopic member 7 is connected to the sleeve 712 of the jack 71. Like this compression spring 72 and jack 71 atress can be located the same axis, when being convenient for left side bearing roller 2, right side bearing roller 3 receive the impact of material, when transmitting the last hinged end 73 of jack 71 top, transmit compression spring 72 together, compression spring 72 can provide reverse elasticity when the atress to effectively dissipate impact energy, reduced the impact that jack 71 received, improved the life of bearing roller mechanism.

In addition, being kept away from at left side bearing roller 2 or right side bearing roller 3 the tip of middle bearing roller 1 is equipped with loudspeaker port spare 4 respectively to can carry on spacingly to belt 9 transportation both sides on left side bearing roller 2 and the right side bearing roller 3, avoid belt 9 to receive transverse force and take place the skew.

The carrier roller mechanism is characterized in that a left carrier roller 2 and a right carrier roller 3 are respectively hinged on a bracket 5, the end parts of the left carrier roller 2 and the right carrier roller 3 are also hinged with a telescopic part 7, the bottom of the telescopic part 7 is also hinged on a base 6, the telescopic part 7 comprises a jack 71 and a compression spring I72 and is connected on the base 6 and the corresponding left carrier roller 2 or right carrier roller 3, so that the telescopic part 7 can change the position of the left carrier roller 2 or the right carrier roller 3 through the extension and retraction of the jack 71, further the opening and closing size of the carrier roller mechanism can be changed, different material conveying requirements can be met, meanwhile, the compression spring I72 is also arranged between the left carrier roller 2 and the base 6 and between the right carrier roller 3 and the base 6, and the compression spring I72 can effectively dissipate impact energy of materials on the left carrier roller 2 and the right carrier roller 3 when, the buffering effect is achieved, so that the jack 71 is effectively protected, and the service life of the carrier roller mechanism is prolonged.

In order to further improve the shock absorption and energy dissipation functions of the carrier roller mechanism, at least one damping shock absorption part 8 is connected between the bracket 5 and the base 6. This damping shock-absorbing component 8 can further dissipate the impact ability of material to bearing roller mechanism, reduces the impact noise, further provides the life of bearing roller mechanism.

As shown in fig. 3, the damping member 8 is provided at a corresponding position below the intermediate idler 1. Each damping and shock-absorbing component 8 comprises a top plate 81 connected to the support 5 and a bottom plate 82 connected to the base 6, a sliding groove 83 is formed in the bottom plate 82, a sliding block 84 capable of sliding up and down in the sliding groove 83 is arranged on the top plate 81, and at least one second compression spring 85 is arranged at the bottoms of the sliding block 84 and the sliding groove 83. A plurality of second compression springs 85 can be arranged between the sliding block 84 and the bottom of the sliding groove 83.

The diameters of the second compression springs 85 can be different in size, and the second compression springs 85 are required to be concentrically sleeved from small to large in diameter, so that the second compression springs 85 can dissipate energy at the same position when the carrier roller mechanism is impacted, and the carrier roller mechanism is suitable for conveying materials mainly concentrated on the position of the belt 9 above the middle carrier roller 1. Of course, all the second compression springs 85 may be the same in size and shape, but are uniformly arranged between the sliding block 84 and the bottom of the sliding groove 83, so that energy dissipation can be performed at different positions, and the second compression springs are suitable for conveying materials uniformly distributed on the positions of the belts 9 of the upper three carrier rollers.

The first compression spring 72 and the second compression spring 85 may be steel springs with a relatively large elastic modulus.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A carrier roller mechanism comprises a base (6) and a support (5), wherein a middle carrier roller (1) along the horizontal direction is arranged on the support (5), a left carrier roller (2) and a right carrier roller (3) are obliquely arranged on two sides of the middle carrier roller (1) respectively, the carrier roller mechanism is characterized in that one ends of the left carrier roller (2) and the right carrier roller (3) close to the middle carrier roller (1) are hinged on the support (5) respectively, the other ends of the left carrier roller (2) and the right carrier roller (3) far away from the middle carrier roller (1) are hinged with a telescopic part (7) respectively, each telescopic part (7) comprises a jack (71), an upper hinged end (73) hinged with the end of the left carrier roller (2) or the right carrier roller (3) is arranged above a piston rod (711) of the jack (71), and a lower hinged end (74) with the base (6) is arranged below the piston rod (711), a first compression spring (72) is further arranged between the upper hinged end (73) and the lower hinged end (74) of each telescopic component (7).

2. A roller mechanism according to claim 1, characterized in that the first compression spring (72) of each telescopic member (7) is fitted around the outside of the jack (71).

3. A roller mechanism as claimed in claim 2, wherein the lower end of the first compression spring (72) of each telescopic member (7) is connected to the sleeve (712) of the jack (71).

4. A idler mechanism according to claim 1 wherein the left idler (2) and the right idler (3) are each provided with a flared port (4) at the end remote from the intermediate idler (1).

5. A roller mechanism according to any one of claims 1-4, characterized in that at least one damping and shock-absorbing member (8) is further connected between the bracket (5) and the base (6).

6. A idler mechanism according to claim 5 wherein all of said damping means (8) are provided at corresponding positions below said intermediate idler (1).

7. A roller mechanism according to claim 5, characterized in that each damping component (8) comprises a top plate (81) connected to the bracket (5) and a bottom plate (82) connected to the base (6), a sliding groove (83) is arranged on the bottom plate (82), a sliding block (84) capable of sliding up and down in the sliding groove (83) is arranged on the top plate (81), and at least one second compression spring (85) is arranged at the bottoms of the sliding block (84) and the sliding groove (83).

8. A roller mechanism according to claim 7, characterized in that a plurality of second compression springs (85) are arranged between the slide block (84) and the bottom of the sliding groove (83).

9. A roller mechanism according to claim 8, characterized in that all the second compression springs (85) have different diameters and are concentrically arranged with each other from smaller to larger diameters.

10. A roller mechanism according to claim 8, characterized in that all the second compression springs (85) are identical in size and shape and are uniformly arranged between the slide block (84) and the bottom of the sliding groove (83).