阅读说明：本技术 一种缓冲型托辊 (Buffer type bearing roller ) 是由 宁智琴 于 2021-07-07 设计创作，主要内容包括：本发明公开了一种缓冲型托辊,涉及输送机技术领域,该托辊包括承载杆轴、辊组和两个端部连接座,两个端部连接座设置在承载杆轴两端部并用于承载辊组；所述辊组由多个圆环分布的承托转辊组件构成,每个承托转辊组件均包括转辊体、气囊套和增压连接件,所述气囊套套设在转辊体上并能够通过气压实现缓冲作用；所述增压连接件设在端部连接座上并在其上环形滑动,相邻的两个增压连接件之间通过弹性件相连接；增压连接件还与气囊套相连通,且能够在受压时收缩并将其内部气流挤压导入气囊套内部。通过重物的冲击而造成转辊体端部的弹性移动以及气囊套的内部气压的变化来实现承载缓冲,这样可提高缓冲性能及缓冲冲击范围。(The invention discloses a buffer type carrier roller, which relates to the technical field of conveyors and comprises a carrier rod shaft, a roller set and two end connecting seats, wherein the two end connecting seats are arranged at two ends of the carrier rod shaft and are used for carrying the roller set; the roller set is composed of a plurality of supporting roller assemblies distributed in a circular ring mode, each supporting roller assembly comprises a roller body, an air bag sleeve and a pressurizing connecting piece, and the air bag sleeves are sleeved on the roller bodies and can achieve a buffering effect through air pressure; the pressurizing connecting pieces are arranged on the end connecting seats and slide on the end connecting seats in an annular manner, and two adjacent pressurizing connecting pieces are connected through the elastic piece; the pressurizing connecting piece is also communicated with the air bag sleeve and can be contracted when being compressed and extrude the air flow in the air bag sleeve into the air bag sleeve. The elastic movement of the end part of the rotary roller body and the change of the internal air pressure of the air bag sleeve are caused by the impact of the heavy object to realize the bearing and buffering, so that the buffering performance and the buffering impact range can be improved.)

1. A buffer carrier roller comprises a carrier rod shaft, a roller set and two end connecting seats, wherein the two end connecting seats are arranged at two ends of the carrier rod shaft and are used for carrying the roller set;

the roller set is arranged between the two end connecting seats; the roller set is composed of a plurality of supporting roller assemblies distributed in a circular ring manner;

each bearing rotary roller component comprises a rotary roller body, an air bag sleeve and a pressurizing connecting piece, wherein the air bag sleeve is sleeved on the rotary roller body and can realize a buffering effect through air pressure;

the pressurizing connecting pieces are arranged on the end connecting seats and slide on the end connecting seats in an annular manner, and two adjacent pressurizing connecting pieces are connected through the elastic piece;

the pressurizing connecting piece is also communicated with the air bag sleeve and can be contracted when being compressed and extrude the air flow in the air bag sleeve into the air bag sleeve.

2. The buffer idler of claim 1 wherein said end connection mounts include an annular carrier plate and at least one bearing sleeve, said annular carrier plate having an end face provided with an annular guide mounting for slidably carrying a plenum connection.

3. The buffer idler roll as claimed in claim 2 wherein the annular guide mounting member is an annular chute adapted to receive the plenum connector and the plenum connector side wall is in sliding engagement with the inner wall of the annular chute.

4. The buffer idler of claim 1 wherein said pressurized connection includes a hollow slide and at least one piston platen;

at least one end of the hollow sliding seat is provided with an opening;

the piston pressing plate is arranged in the hollow sliding seat and is in sealed sliding connection with the inner wall of the hollow sliding seat, and the end face, facing the port of the hollow sliding seat, of the piston pressing plate is connected with one end of the elastic piece;

a rotary connecting sleeve is arranged at the side part of the hollow sliding seat and is in rotary connection with the rotary roller body; the side part of the hollow slide seat is also communicated with the interior of the air bag sleeve through an air duct.

5. The buffering idler roller as claimed in claim 4, wherein the rotary connecting sleeve and the rotary roller body are hollow and the air duct is located inside the rotary roller body, one end of the air duct passes through the side of the rotary roller body and is communicated with the air bag sleeve, the other end of the air duct extends into the rotary connecting sleeve and is fixedly connected with the side wall in a sealing manner.

6. The buffer carrier roller as claimed in claim 4, wherein an exhaust valve is arranged at one position of the air bag sleeve; and an air inlet port is arranged on the side part of the hollow sliding seat.

7. The buffer idler roller as claimed in any one of claims 1-6, wherein the outer wall of the air bag cover is further provided with a rubber rib surrounding the outer wall, the rubber rib is spirally arranged, and the surface of the rubber rib is provided with a plurality of grooves.

Technical Field

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

Background

The impact of blanking on a conveying belt is relieved at a receiving position of a belt conveyor, and the impact-reducing belt conveyor is mainly used for mining in a carrier roller which is developed aiming at corrosive environments of coal washing plants, coking plants, chemical plants and the like. The special high polymer material for the carrier roller body has mechanical properties similar to bronze and good wear resistance.

The whole body of the existing buffer carrier roller is made of high polymer materials, the carrier roller at the blanking part of the conveyor is impacted greatly due to continuous material impact, the carrier roller can be bent, the conveying belt can also be bent, and secondly, when the blanking is impacted, the deformation is small due to unchanged buffering performance, the blanking rebounding is obvious, and the vertical vibration amplitude of the blanking on the conveying belt is easy to improve.

Disclosure of Invention

The invention aims to provide a buffer carrier roller to solve the problem of adapting to impact force.

In order to achieve the purpose, the invention provides the following technical scheme:

a buffer carrier roller comprises a carrier rod shaft, a roller set and two end connecting seats, wherein the two end connecting seats are arranged at two ends of the carrier rod shaft and are used for carrying the roller set; the roller set is arranged between the two end connecting seats; the roller set is composed of a plurality of supporting roller assemblies distributed in a circular ring mode, each supporting roller assembly comprises a roller body, an air bag sleeve and a pressurizing connecting piece, and the air bag sleeves are sleeved on the roller bodies and can achieve a buffering effect through air pressure; the pressurizing connecting pieces are arranged on the end connecting seats and slide on the end connecting seats in an annular manner, and two adjacent pressurizing connecting pieces are connected through the elastic piece; the pressurizing connecting piece is also communicated with the air bag sleeve and can be contracted when being compressed and extrude the air flow in the air bag sleeve into the air bag sleeve.

On the basis of the technical scheme, the invention also provides the following optional technical scheme:

in one alternative: the end connecting seat comprises an annular carrier plate and at least one bearing sleeve, an annular guide mounting part is arranged on the end face of the annular carrier plate, and the annular guide mounting part is used for sliding bearing the pressurizing connecting piece.

In one alternative: the annular guide mounting piece is an annular sliding groove which is used for accommodating the pressurizing connecting piece, and the side wall of the pressurizing connecting piece is in sliding fit with the inner wall of the annular sliding groove.

In one alternative: the pressurizing connecting piece comprises a hollow sliding seat and at least one piston pressing plate, at least one end part of the hollow sliding seat is provided with an opening, the piston pressing plate is arranged in the hollow sliding seat and is in sealed sliding connection with the inner wall of the hollow sliding seat, and the end face, facing the port of the hollow sliding seat, of the piston pressing plate is connected with one end of the elastic piece; a rotary connecting sleeve is arranged at the side part of the hollow sliding seat and is in rotary connection with the rotary roller body; the side part of the hollow slide seat is also communicated with the interior of the air bag sleeve through an air duct.

In one alternative: the air guide pipe is arranged in the rotating roller body, the rotating connecting sleeve and the rotating roller body are arranged in a hollow mode, the air guide pipe is located inside the rotating roller body, one end of the air guide pipe penetrates through the side portion of the rotating roller body and is communicated with the air bag sleeve, and the other end of the air guide pipe extends into the rotating connecting sleeve and is fixedly connected with the side wall of the rotating connecting sleeve in a sealing mode.

In one alternative: one part of the air bag sleeve is provided with an exhaust valve; and an air inlet port is arranged on the side part of the hollow sliding seat.

In one alternative: still be equipped with the rubber sand grip that encircles on the outer wall on the gasbag cover outer wall, the rubber sand grip is the heliciform setting, and rubber sand grip surface has a plurality of recesses.

Compared with the prior art, the invention has the following beneficial effects:

the air bag sleeve on the transfer roller body of the device has certain buffering elastic effect due to the compression of air flow; when the bearing roller component is impacted, the pressurizing connecting piece can annularly slide on the end connecting seat, so that the distance between two adjacent roller bodies can be reduced, the damping and buffering are realized again under the action of the elastic piece, and then the air flow is guided into the air bag sleeve due to the compression and contraction of the pressurizing connecting piece, so that the air flow in the air bag sleeve is increased, and the bearing and buffering force in the air bag sleeve can be improved; therefore, the elastic movement of the end part of the rotary roller body and the change of the internal air pressure of the air bag sleeve are caused by the impact of the heavy object to realize the bearing and buffering, so that the buffering performance and the buffering impact range can be improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the idler according to an embodiment of the invention.

Fig. 2 is a schematic structural diagram of an annular carrier plate according to an embodiment of the present invention.

FIG. 3 is a schematic view of a idler roll assembly and plenum connection in one embodiment of the invention.

Notations for reference numerals: the device comprises a bearing rod shaft 1, an end connecting seat 2, an annular bearing plate 21, a bearing sleeve 22, a bearing roller component 3, a roller body 31, an air bag sleeve 32, a rubber convex strip 33, an air duct 34, a rotating connecting sleeve 35, an annular guide mounting component 4, a pressurizing connecting component 5, a hollow sliding seat 51, a piston pressing plate 52 and an elastic component 6.

Detailed Description

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; in the drawings or the description, the same reference numerals are used for similar or identical parts, and the shape, thickness or height of each part may be enlarged or reduced in practical use. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.

In one embodiment, as shown in fig. 1 to 3, a buffer type idler comprises a carrier bar shaft 1, a roller set and two end connection bases 2, wherein the two end connection bases 2 are arranged at two ends of the carrier bar shaft 1 and are used for carrying the roller set; the roller set is arranged between the two end connecting seats 2; the roller set is composed of a plurality of supporting roller assemblies 3 distributed in a circular ring manner, each supporting roller assembly 3 comprises a roller body 31, an air bag sleeve 32 and a pressurizing connecting piece 5, and the air bag sleeve 32 is sleeved on the roller body 31 and can realize a buffering effect through air pressure; the pressurizing connecting pieces 5 are arranged on the end connecting seats 2 and slide on the end connecting seats in an annular mode, and two adjacent pressurizing connecting pieces 5 are connected through the elastic pieces 6; the pressurized connecting member 5 is also in communication with the airbag housing 32 and is capable of contracting when compressed and directing its internal gas flow into the interior of the airbag housing 32.

In the implementation process of the embodiment, the whole carrier roller is mounted on a bracket, and when the carrier roller is impacted, the airbag sleeves 32 on the roller body 31 have a certain buffering elastic effect due to the compression of airflow; when the bearing roller component 3 is impacted, the pressurizing connecting piece 5 can annularly slide on the end connecting seat 2, so that the distance between two adjacent roller bodies 31 can be reduced, the damping and buffering are realized again under the action of the elastic piece 6, and secondly, the air flow is guided into the air bag sleeve 32 due to the compression and contraction of the pressurizing connecting piece 5, the air flow in the air bag sleeve 32 is increased, and the bearing and buffering force in the air bag sleeve 32 can be improved; thus, the bearing buffering is realized by the elastic movement of the end part of the rotating roller body 31 and the change of the internal air pressure of the air bag sleeve 32 caused by the impact of the heavy object, so that the buffering performance and the buffering impact range can be improved; as an embodiment, the left, right, up and down positions of the components shown in the drawings are only one arrangement, and the specific positions are set according to specific requirements; wherein, the elastic piece 6 is a spring or an elastic pressing sheet;

in one embodiment, as shown in fig. 1 and 2, the end connection socket 2 comprises an annular carrier plate 21 and at least one bearing sleeve 22, wherein an annular guide mounting part 4 is arranged on the end surface of the annular carrier plate 21, and the annular guide mounting part 4 is used for slidably bearing the pressurizing connecting piece 5; the bearing sleeve 22 is rotatably sleeved on the bearing rod shaft 1 and is fixedly connected with the side wall of the annular carrier plate 21 through a support arm; because the bearing sleeve 22 is connected with the bearing rod shaft 1 in a rotating way, the bearing sleeve can rotate along with the bearing rod shaft to avoid friction with a conveying method when bearing a conveying belt; the support force of the whole end connecting seat 2 is increased by the arrangement of the bearing sleeve 22;

the end connecting seat 2 can be a disc body rotatably mounted on the bearing rod shaft 1 besides the structure of the above embodiment;

in one embodiment, as shown in fig. 2, the annular guide mounting member 4 is an annular chute for accommodating the pressurizing connecting member 5, and the side wall of the pressurizing connecting member 5 is in sliding fit with the inner wall of the annular chute; the arrangement of the annular guide mounting part 4 can hide the pressurizing connector 5 at the side part of the annular carrier plate 21, increase the compactness of the whole structure and enable the end part of the supporting roller assembly 3 to be close to the end connecting seat 2;

in one embodiment, as shown in fig. 3, the pressurizing connector 5 comprises a hollow slide 51 and at least one piston pressing plate 52, wherein at least one end of the hollow slide 51 is open, the piston pressing plate 52 is arranged inside the hollow slide 51 and is in sealed sliding connection with the inner wall of the hollow slide, and the end surface of the piston pressing plate 52 facing to the port of the hollow slide 51 is connected with one end of the elastic element 6; a rotary connecting sleeve 35 is arranged at the side part of the hollow sliding seat 51, and the rotary connecting sleeve 35 is rotationally connected with the rotary roller body 31; the side part of the hollow slide seat 51 is also communicated with the interior of the air bag sleeve 32 through an air duct 34; in the implementation process of the embodiment, when the distance between the two rotating roller bodies 31 is reduced due to impact, the elastic member 6 has elasticity to push the piston pressing plate 52 towards the inside of the hollow sliding seat 51, so that the internal space of the hollow sliding seat 51 is reduced, and the air flow is extruded and guided into the air bag cover 32 through the air guide tube 34; the elastic extrusion of the piston pressing plate 52 and the hollow sliding seat 51 can play a certain buffering role and can realize that the air flow is guided into the air bag sleeve 32, so that the elastic buffering of the air bag sleeve 32 is increased;

the pressurizing connecting piece 5 can be a structure formed by combining two side plates and clamping an air bag and installing the two side plates on a sliding seat besides the structure of the embodiment;

in one embodiment, as shown in fig. 3, the rotating connecting sleeve 35 and the rotating roller body 31 are arranged in a hollow manner, the air duct 34 is located inside the rotating roller body 31, one end of the air duct 34 passes through the side of the rotating roller body 31 to communicate with the air bag sleeve 32, the other end of the air duct 34 extends into the rotating connecting sleeve 35, and the side wall is fixedly connected with the rotating connecting sleeve 35 in a sealing manner; the hollow arrangement of the rotary roller body 31 and the rotary connecting sleeve 35 can hide the air duct 34 in the interior, so that the air duct 34 is prevented from being easily wound when the carrier roller rotates due to the external arrangement;

in one embodiment, as shown in fig. 3, an exhaust valve (not shown) is provided at one position of the airbag cover 32; the side of the hollow sliding seat 51 is provided with an air inlet port 54; the air flow can be filled into the hollow sliding seat 51 through the air inlet port 54, so that after the impact is borne, the pressure intensity in the hollow sliding seat 51 is improved and adjusted after the piston pressing plate 52 is reset;

in one embodiment, as shown in FIG. 3, a one-way valve (not shown) is provided at each of the airway tube 34 and the inlet port 54; the arrangement of the one-way valve can prevent the air flow from being discharged through the air inlet port 54 when the hollow sliding seat 51 is extruded and the air flow from flowing into the hollow sliding seat 51 through the air guide pipe 34 when the air bag sleeve 32 is extruded;

in one embodiment, as shown in fig. 3, the outer wall of the airbag cover 32 is further provided with a rubber rib 33 surrounding the outer wall, the rubber rib 33 is spirally arranged, and the surface of the rubber rib 33 is provided with a plurality of grooves; the arrangement of the rubber convex strips 33 increases the friction with the supported conveyer belt, so that the conveyer belt can drive the rotary roller body 31 to rotate when in work, and the arrangement of the grooves can increase the air viscous resistance at the position, and the energy loss generated by vibration friction between sound waves and air particles when the sound waves are transmitted to the position is larger, so that the noise reduction effect is more obvious;

the above embodiment provides a buffer type idler, wherein, when the idler is impacted, the air bag cover 32 on the roller body 31 has a certain buffer elastic function due to the compression of air flow; when the bearing roller component 3 is impacted, the pressurizing connecting piece 5 can annularly slide on the end connecting seat 2, so that the distance between two adjacent roller bodies 31 can be reduced, the damping and buffering are realized again under the action of the elastic piece 6, and secondly, the air flow is guided into the air bag sleeve 32 due to the compression and contraction of the pressurizing connecting piece 5, the air flow in the air bag sleeve 32 is increased, and the bearing and buffering force in the air bag sleeve 32 can be improved; thus, the bearing buffering is realized by the elastic movement of the end part of the rotating roller body 31 and the change of the internal air pressure of the air bag sleeve 32 caused by the impact of the heavy object, so that the buffering performance and the buffering impact range can be improved.

The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.