CN215853427U

CN215853427U - Powerful tensioning device of belt conveyor

Info

Publication number: CN215853427U
Application number: CN202122447220.7U
Authority: CN
Inventors: 赵强斌; 翟海涛; 王保军; 马改成; 齐红玲; 赵红干; 姚彦丽; 赵富伟; 梁战峰; 杨重飞; 贾红雷; 申郑甫; 王珂辉; 张斌; 张鹏; 段炼; 李静; 石飞飞; 姜月; 惠常如
Original assignee: Yimei Group Yiyang Yiluo Coal Industry Co ltd
Current assignee: Yimei Group Yiyang Yiluo Coal Industry Co ltd
Priority date: 2021-10-12
Filing date: 2021-10-12
Publication date: 2022-02-18
Anticipated expiration: 2031-10-12

Abstract

The powerful tensioning device of the belt conveyor comprises a mounting frame, a tensioning roller is movably arranged on the mounting frame, a belt of the belt conveyor is wound on the tensioning roller, a winch is fixedly arranged on the mounting frame and pulls the tensioning roller to move through a tensioning steel rope, and a buffer mechanism and a limiting mechanism are arranged in front of the tensioning roller in the moving direction of the tensioning roller. The utility model provides a strong tensioning device of a belt conveyor, which can provide enough tensioning force so as to ensure that a belt can be tensioned, and can protect the belt to prevent the belt from being damaged in the tensioning process.

Description

Powerful tensioning device of belt conveyor

Technical Field

The utility model relates to the field of coal mine equipment, in particular to a strong tensioning device for a belt conveyor.

Background

The belt conveyor is a common transportation device in coal mines, and objects to be transported comprise raw coal, gangue and the like. The tensioning device is a basic component of the belt conveyor, is an important part for ensuring the normal work of the belt conveyor, plays a vital role in the stable operation of the belt conveyor, and directly influences the working performance of the whole belt conveyor due to the performance of the tensioning device. Specifically, the belt conveyor can creep during starting, stable operation and braking, which results in the lengthening and loosening of the belt, and the tensioning device can tighten the belt to avoid the slipping of the belt. The tensioning device in the prior art mostly adopts a tensioning mode that a tensioning roller is matched with a turbine winding drum, namely the turbine winding drum is arranged on the side of the tensioning roller, and the tensioning roller is pulled by a steel wire rope to achieve the tensioning effect.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides the strong tensioning device of the belt conveyor, which can provide enough tensioning force so as to ensure that a belt can be tensioned, and can protect the belt to prevent the belt from being damaged in the tensioning process.

In order to achieve the purpose, the utility model adopts the specific scheme that: the powerful tensioning device of the belt conveyor comprises a mounting frame, a tensioning roller is movably arranged on the mounting frame, a belt of the belt conveyor is wound on the tensioning roller, a winch is fixedly arranged on the mounting frame and pulls the tensioning roller to move through a tensioning steel rope, and a buffer mechanism and a limiting mechanism are arranged in front of the tensioning roller in the moving direction of the tensioning roller.

As a further optimization of the belt conveyor powerful tensioning device: the mounting bracket comprises a top plate and a bottom plate which are arranged up and down, a plurality of support rods are fixedly connected between the top plate and the bottom plate, the tensioning roller is movably arranged between the top plate and the bottom plate, the top plate is fixedly connected with a bearing frame, and the winch is fixedly arranged on the bearing frame.

As a further optimization of the belt conveyor powerful tensioning device: the middle part of tensioning cylinder is worn to be equipped with the pivot, and the both ends of pivot respectively fixed cover are equipped with a reel, and the reel is gone up to wind and is equipped with the tensioning steel cable, the tensioning steel cable with the winch is connected.

As a further optimization of the belt conveyor powerful tensioning device: the mounting bracket is further fixedly provided with two turbine reels, the reel is further wound with a locking steel rope, and the locking steel rope is correspondingly connected with the turbine reels.

As a further optimization of the belt conveyor powerful tensioning device: the tensioning roller is characterized in that a supporting mechanism used for supporting the tensioning roller is arranged on the mounting frame and comprises two fixed plates, the two fixed plates are respectively fixedly connected with the top plate and the bottom plate, a limiting plate is fixedly connected with the fixed plates, two gaps are formed between the limiting plate and the top plate or between the limiting plate and the bottom plate, two ends of the rotating shaft are respectively rotatably connected with a mounting plate, two sliding plates are fixedly connected with the mounting plate, and the two sliding plates are respectively arranged in the gap between the limiting plate and the top plate and the gap between the limiting plate and the bottom plate in a sliding mode.

As a further optimization of the belt conveyor powerful tensioning device: the buffer mechanism comprises a buffer seat which is correspondingly arranged in the gap, the buffer seat is fixedly connected with the limiting plate, a blind hole is formed in the buffer seat and faces the sliding plate, a buffer ejector rod is slidably arranged in the blind hole, and a spring is connected between the buffer ejector rod and the blind end of the blind hole.

As a further optimization of the belt conveyor powerful tensioning device: and the buffer seat is provided with an air guide hole communicated with the blind hole, and the air guide hole penetrates through the outer wall of the buffer seat.

As a further optimization of the belt conveyor powerful tensioning device: the limiting mechanism comprises a limiting seat correspondingly arranged in the gap, a limiting bolt penetrates through the limiting seat, and the limiting bolt faces the sliding plate.

As a further optimization of the belt conveyor powerful tensioning device: the fixed plate is embedded with a group of sensors for detecting the position of the sliding plate, and the group of sensors are distributed uniformly along the sliding direction of the sliding plate.

As a further optimization of the belt conveyor powerful tensioning device: two anti-falling bolts penetrate through the limiting plate and correspondingly extend into the gap, and the sliding plate is located between the anti-falling bolts and the limiting mechanism.

Has the advantages that: the belt tensioning device can provide enough tensioning force, so that the belt can be tensioned, and meanwhile, the belt can be protected, and the belt is prevented from being damaged in the tensioning process.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the mounting of the limiting mechanism and the buffering mechanism;

fig. 3 is a schematic diagram of a buffer structure.

Description of the drawings: 1-top plate, 2-support rod, 3-winch, 4-bearing frame, 5-bottom plate, 6-turbine reel, 7-tension steel rope, 8-locking steel rope, 9-fixing plate, 10-limiting plate, 11-sliding plate, 12-mounting plate, 13-rotating shaft, 14-reel, 15-tension roller, 16-anti-drop bolt, 17-sensor, 18-buffer ejector rod, 19-buffer seat, 20-limiting seat, 21-limiting bolt, 22-gap, 23-blind hole, 24-air guide hole and 25-spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, a strong tensioning device for a belt conveyor comprises a mounting frame, a tensioning roller 15 is movably arranged on the mounting frame, a belt of the belt conveyor is wound on the tensioning roller 15, a winch 3 is fixedly arranged on the mounting frame, the winch 3 pulls the tensioning roller 15 to move through a tensioning steel rope 7, and a buffer mechanism and a limiting mechanism are arranged in front of the tensioning roller 15 in the moving direction of the tensioning roller 15.

When the belt tensioning device is used, when a belt of a belt conveyor needs to be tensioned, the winch 3 is used for pulling the tensioning roller 15 to move, the belt is gradually tightened in the moving process of the tensioning roller 15, and when the belt is completely tightened to meet the use requirement, the winch 3 pulls the tensioning roller 15 to provide enough power for the tensioning roller 15, so that enough tensioning force is formed, and the belt can be tensioned. The buffer mechanism is used for limiting the moving speed of the tensioning roller 15 in the tensioning process so as to avoid belt vibration damage caused by too high moving speed of the tensioning roller 15, and the limiting mechanism is used for limiting the position of the tensioning roller 15 so as to avoid belt breakage caused by excessive movement of the tensioning roller 15.

The belt tensioning device can provide enough tensioning force, so that the belt can be tensioned, and meanwhile, the belt can be protected, and the belt is prevented from being damaged in the tensioning process.

The concrete structure of mounting bracket does: the mounting bracket comprises a top plate 1 and a bottom plate 5 which are arranged from top to bottom, a plurality of support rods 2 are fixedly connected between the top plate 1 and the bottom plate 5, a tensioning roller 15 is movably arranged between the top plate 1 and the bottom plate 5, the top plate 1 is fixedly connected with a bearing frame 4, and a winch 3 is fixedly arranged on the bearing frame 4. The top plate 1 can protect the tension roller 15 and the like. The carriage 4 may comprise a vertical plate fixedly connected to the top plate 1 and facing the bottom plate 5, a horizontal plate fixedly connected to the vertical plate and at least one support bar 2, on which the winch 3 is fixedly arranged.

The specific matching mode of the tensioning roller 15 and the winch 3 is as follows: a rotating shaft 13 is arranged in the middle of the tensioning roller 15 in a penetrating manner, two ends of the rotating shaft 13 are fixedly sleeved with a winding wheel 14 respectively, a tensioning steel rope 7 is wound on the winding wheel 14, and the tensioning steel rope 7 is connected with the winch 3. One end of the tension steel rope 7 is fixedly connected with the winding wheel 14, the other end of the tension steel rope 7 is fixedly connected with the winch 3, the tension steel rope 7 is pulled during the action of the winch 3, and therefore the rotating shaft 13 and the tension roller 15 are pulled to move synchronously through the tension steel rope 7. During tensioning, the tensioning cable 7 should be detached from the reel 14, only the end portion being fixedly connected to the reel 14, the reel 7 being provided mainly for the purpose of accommodating the tensioning cable 7, thereby facilitating the mounting of the device.

In order to fix the position of the tensioning roller 15 after the belt is tensioned, so that the winch 3 can stop running and avoid damage of the winch 3 caused by long-term power-on running, two turbine reels 6 are fixedly arranged on the mounting rack, and locking steel ropes 8 are wound on the reels 14 and correspondingly connected with the turbine reels 6. After the belt is tensioned, the position of the tensioning roller 15 is fixed by the cooperation of the turbine drum 6 and the locking steel rope 8, so that the winch 3 can be stopped, and the winch 3 can be protected. The locking steel cord 8 and the tensioning steel cord 7 are arranged in the same way.

The tensioning roller 15 is specifically arranged in the following manner: be provided with the supporting mechanism who is used for supporting tensioning roller 15 on the mounting bracket, supporting mechanism includes two fixed plates 9, two fixed plates 9 respectively with roof 1 and bottom plate 5 fixed connection, fixed plate 9 fixedly connected with limiting plate 10, form two clearances 22 between limiting plate 10 and roof 1 or the bottom plate 5, the both ends of pivot 13 respectively rotate and are connected with a mounting panel 12, two sliding plates 11 of mounting panel 12 fixed connection, two sliding plates 11 slide respectively and set up in clearance 22 between limiting plate 10 and roof 1 and the clearance 22 between limiting plate 10 and the bottom plate 5. The limiting plate 10 and the fixing plate 9 are matched to form a gap 22 for accommodating the sliding plate 11, the gap 22 can also limit the sliding direction of the sliding plate 11, and further limit the moving direction of the mounting plate 12 and the tensioning roller 15 so as to avoid the deviation of the tensioning roller 15, and the belt is prevented from being driven to deflect while the belt is tensioned.

The concrete structure of buffer gear does: buffer gear is including corresponding the buffer seat 19 that sets up in clearance 22 to buffer seat 19 and limiting plate 10 fixed connection have seted up blind hole 23 on the buffer seat 19, and blind hole 23 is towards sliding plate 11, and the slip is provided with buffering ejector pin 18 in the blind hole 23, and is connected with spring 25 between the blind end of buffering ejector pin 18 and blind hole 23. In the process that the sliding plate 11 slides in the gap 22, after the sliding plate 11 is in contact with the buffer ejector rod 18, the buffer ejector rod 18 is pushed into the blind hole 23 along with the continuous movement of the sliding plate 11, and the spring 25 is compressed by the buffer ejector rod 18 in the process, so that the moving speed of the buffer ejector rod 18 can be reduced, the moving speed of the sliding plate 11 is reduced, and finally the moving speed of the tensioning roller 15 is reduced, so that the effect of preventing the belt from being damaged due to the fact that the moving speed of the tensioning roller 15 is too high is achieved.

In order to balance the air pressure inside and outside the blind hole 23 and further ensure that the buffer ejector rod 18 can smoothly slide in the blind hole 23, the buffer seat 19 is provided with an air guide hole 24 communicated with the blind hole 23, and the air guide hole 24 penetrates through the outer wall of the buffer seat 19.

The specific structure of the limiting mechanism is as follows: the limiting mechanism comprises a limiting seat 20 correspondingly arranged in the gap 22, a limiting bolt 21 penetrates through the limiting seat 20, and the limiting bolt 21 faces the sliding plate 11. The limiting bolt 21 is used for limiting the maximum displacement of the sliding plate 11, so that the winch 3 is prevented from pulling the tensioning roller 15 to move excessively due to factors such as improper control, and the effect of preventing the belt from being damaged is achieved. The position of the limit bolt 21 can be adjusted by rotating the limit bolt 21, so that the maximum displacement of the sliding plate 11 is adjusted to meet the actual use requirement.

In order to be able to grasp the tension state of the belt, a set of sensors 17 for detecting the position of the sliding plate 11 is embedded in the fixed plate 9, and the number of the set of sensors 17 is plural and is uniformly distributed along the sliding direction of the sliding plate 11. The sensor 17 can be set to conventional devices such as proximity switches, and when the sliding plate 11 is close to the sensor 17, the sensor 17 senses the position of the sliding plate 11, and all the sensors 17 are connected with an upper computer together, so that the effect of remotely monitoring the tensioning state of the belt is realized.

In order to prevent the sliding plate 11 from falling out of the gap 22, two anti-falling bolts 16 are arranged on the limiting plate 10 in a penetrating way, the anti-falling bolts 16 correspondingly extend into the gap 22, and the sliding plate 11 is positioned between the anti-falling bolts 16 and the limiting mechanism. After the slide plate 11 is installed in the gap 22, the slide-off preventing bolt 16 is rotated to extend into the gap 22, and the slide plate 11 is prevented from being removed from the gap 22 by cooperation with the stopper mechanism.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a powerful overspeed device tensioner of belt conveyor which characterized in that: the belt conveyor belt tensioning device comprises a mounting frame, wherein a tensioning roller (15) is movably arranged on the mounting frame, a belt of the belt conveyor is wound on the tensioning roller (15), a winch (3) is fixedly arranged on the mounting frame, the winch (3) pulls the tensioning roller (15) to move through a tensioning steel rope (7), and a buffer mechanism and a limiting mechanism are arranged in front of the tensioning roller (15) in the moving direction of the tensioning roller (15).

2. A belt conveyor tension tensioner as claimed in claim 1, wherein: the mounting bracket comprises a top plate (1) and a bottom plate (5) which are arranged from top to bottom, a plurality of support rods (2) are fixedly connected between the top plate (1) and the bottom plate (5), the tensioning roller (15) is movably arranged between the top plate (1) and the bottom plate (5), the top plate (1) is fixedly connected with a bearing frame (4), and the winch (3) is fixedly arranged on the bearing frame (4).

3. A belt conveyor high tension tensioner as claimed in claim 2, wherein: the middle part of tensioning cylinder (15) is worn to be equipped with pivot (13), and the both ends of pivot (13) are respectively fixed the cover and are equipped with a reel (14), and the winding is equipped with tensioning steel cable (7) on reel (14), tensioning steel cable (7) with winch (3) are connected.

4. A belt conveyor high tension tensioner as claimed in claim 3, wherein: still fixedly on the mounting bracket be provided with two turbine reel (6), still around being equipped with locking steel cable (8) on reel (14), locking steel cable (8) correspond with turbine reel (6) and are connected.

5. A belt conveyor high tension tensioner as claimed in claim 3, wherein: be provided with on the mounting bracket and be used for supporting the supporting mechanism of tensioning roller (15), supporting mechanism include two fixed plates (9), two fixed plates (9) respectively with roof (1) with bottom plate (5) fixed connection, fixed plate (9) fixedly connected with limiting plate (10), form two clearance (22) between limiting plate (10) and roof (1) or bottom plate (5), the both ends of pivot (13) respectively rotate and are connected with one mounting panel (12), two sliding plates (11) of mounting panel (12) fixedly connected with, and two sliding plates (11) slide respectively and set up in clearance (22) between limiting plate (10) and roof (1) and clearance (22) between limiting plate (10) and bottom plate (5).

6. A belt conveyor high tension device as in claim 5, wherein: buffer gear is including corresponding setting buffer seat (19) in clearance (22), and buffer seat (19) with limiting plate (10) fixed connection has seted up blind hole (23) on buffer seat (19), and blind hole (23) orientation sliding plate (11), slide in blind hole (23) and be provided with buffering ejector pin (18), and be connected with spring (25) between the blind end of buffering ejector pin (18) and blind hole (23).

7. A belt conveyor high tension tensioner as claimed in claim 6, wherein: and the buffer seat (19) is provided with an air guide hole (24) communicated with the blind hole (23), and the air guide hole (24) penetrates through the outer wall of the buffer seat (19).

8. A belt conveyor high tension device as in claim 5, wherein: the limiting mechanism comprises a limiting seat (20) correspondingly arranged in the gap (22), a limiting bolt (21) penetrates through the limiting seat (20), and the limiting bolt (21) faces the sliding plate (11).

9. A belt conveyor high tension device as in claim 5, wherein: a group of sensors (17) for detecting the position of the sliding plate (11) is embedded in the fixed plate (9), and the number of the group of sensors (17) is multiple and is uniformly distributed along the sliding direction of the sliding plate (11).

10. A belt conveyor high tension device as in claim 5, wherein: two anti-falling bolts (16) penetrate through the limiting plate (10), the anti-falling bolts (16) correspondingly extend into the gap (22), and the sliding plate (11) is located between the anti-falling bolts (16) and the limiting mechanism.