CN219057531U

CN219057531U - Tensioning structure of belt conveyor

Info

Publication number: CN219057531U
Application number: CN202223479137.9U
Authority: CN
Inventors: 郝晓波
Original assignee: Sinohydro Bureau 9 Co Ltd
Current assignee: Sinohydro Bureau 9 Co Ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-05-23
Anticipated expiration: 2032-12-26

Abstract

The utility model relates to a tensioning structure of a belt conveyor, which comprises a belt conveyor and a tensioning car, wherein the belt conveyor comprises a belt, a carrier roller and a redirecting roller A, the tensioning car is provided with a tensioning roller and a redirecting roller B, the belt is wound on the outer peripheral surfaces of the carrier roller, the redirecting roller A, the redirecting roller B and the tensioning roller, the belt between the tensioning roller and the redirecting roller B is a tensioning section, and the tensioning section is arranged along the horizontal direction. By adopting the technical scheme of the utility model, the tensioning direction of the adhesive tape tensioning section is changed into the direction along the horizontal direction by arranging the plurality of direction-changing rollers, when the tensioning amplitude is required to be adjusted, the relative position of the tensioning vehicle and the adhesive tape machine is only required to be adjusted, so that the requirement of adjusting the tensioning amplitude is met, the basic stability of the adhesive tape machine is ensured, and in theory, the relative position of the tensioning vehicle and the adhesive tape machine can be infinitely far, therefore, the corresponding adjusting range of the tensioning amplitude is also infinitely large, and compared with the prior art, the adjusting range of the tensioning amplitude is larger.

Description

Tensioning structure of belt conveyor

Technical Field

The utility model belongs to the technical field of transportation mechanical equipment structures, and particularly relates to a tensioning structure of a belt conveyor.

Background

The belt conveyor is also called as a belt conveyor, is widely applied to various industries such as metallurgy, mines, coal, ports, power stations, building materials, chemical industry, light industry, petroleum, grains, heat supply and the like, and the tensioning device of the belt conveyor is an important part for ensuring that the belt conveyor can safely, reliably and stably run under various working conditions, and has the following three main functions: firstly, ensuring enough tension force of the adhesive tape to ensure necessary friction force between the adhesive tape and a transmission roller; secondly, ensuring that the adhesive tape has certain suspension degree; thirdly, the adhesive tape can be automatically compensated when elastic change is generated by stretching deformation.

Currently, the conventional tightening devices include a weight tightening device, a fixing tightening device and an automatic tightening device. The heavy hammer tensioning device has the defects that the tensioning force cannot be automatically adjusted, and the occupied space is large; the fixed tensioning device has the defects that the tensioning position is not adjusted timely in a manual or electric mode; the automatic tensioning device can automatically adjust the tensioning force to keep the tensioning force at a certain value, and the driving mode has electric driving and hydraulic driving, and has the defects of complex structure, large occupied space and poor pollution resistance.

And the publication number is: the patent literature of CN202170138U discloses a full-hydraulic belt conveyor tensioning device, the tensioning device comprises a transmission roller, a tensioning trolley, a hydraulic cylinder, a hydraulic pump station and a telescopic trolley, the transmission roller of the belt conveyor is arranged on the movable tensioning trolley, one end of a steel wire rope is connected to the tensioning trolley, the other end of the steel wire rope bypassing a rope guiding wheel is connected to the telescopic trolley, the rope guiding wheel is connected with a piston rod of the hydraulic cylinder, the hydraulic cylinder is connected with the hydraulic pump station, and the hydraulic cylinder with a double-acting single piston rod is used as a power element of the tensioning trolley, so that the tensioning device is integrally formed. However, the hydraulic tensioning device provided in the above patent document is still large in appearance and complex in structure, and needs to be matched with a corresponding hydraulic system for use, so that the assembly and the disassembly are inconvenient. In addition, the maximum tensioning force that various overspeed device tensioner that provides among the prior art, it can reach often be preset, when the tape machine operating time overlength, the sticky tape receives wearing and tearing, then need increase overspeed device tensioner's tensioning range, and current overspeed device tensioner generally installs in sticky tape return stroke section, tensioning direction generally extends downwards along return stroke section sticky tape vertically decurrent direction, space scope between return stroke section sticky tape and the ground is narrow and small, if need increase overspeed device tensioner range, then need excavate ground earth and stone side, not only influence tape machine basis stability, but also very limited to its tensioning range's regulation.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a tensioning structure of a belt conveyor.

The utility model provides a tensioning structure of a belt conveyor, which comprises a belt conveyor and a tensioning car, wherein the belt conveyor comprises a belt, a carrier roller and a redirecting roller A, the tensioning car is provided with a tensioning roller and a redirecting roller B, the belt is wound on the outer peripheral surfaces of the carrier roller, the redirecting roller A, the redirecting roller B and the tensioning roller, the belt between the tensioning roller and the redirecting roller B is a tensioning section, and the tensioning section is arranged along the horizontal direction.

The stretching car is placed below the adhesive tape machine, and the adhesive tape between the direction-changing roller A and the direction-changing roller B is a transition section which is arranged along the vertical direction.

The outer diameter of the direction-changing roller A is identical to that of the direction-changing roller B.

The adhesive tape between the bend roller A and the carrier roller is a quick return section, the adhesive tape above the quick return section is a feeding section, and the feeding section and the quick return section are mutually parallel.

The inclination angle of the feeding section relative to the horizontal plane is below 30 degrees.

The outer diameter of the bend roller A is not more than 50% of the outer diameter of the carrier roller.

The tensioning car is fixedly connected with a supporting frame, and the direction-changing roller B is arranged on the supporting frame.

The whole supporting frame is in a right-angle triangle shape.

The supporting frame is made of channel steel through welding.

The outer diameter of the tensioning roller is more than 1.25 times of that of the redirecting roller B.

The utility model has the beneficial effects that: by adopting the technical scheme of the utility model, the tensioning direction of the adhesive tape tensioning section is changed into the direction along the horizontal direction by arranging the plurality of direction-changing rollers, when the tensioning amplitude is required to be adjusted, the relative position of the tensioning trolley and the adhesive tape machine is only required to be adjusted, so that the requirement for adjusting the tensioning amplitude is met, the adhesive tape machine foundation is not required to be modified, the adhesive tape machine foundation is ensured to be stable, and theoretically, the relative position of the tensioning trolley and the adhesive tape machine can be infinitely far, therefore, the adjusting range of the corresponding tensioning amplitude is also infinitely large, and compared with the prior art, the adjusting range of the tensioning amplitude is larger.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

In the figure: the device comprises a 1-adhesive tape machine, a 2-drawing machine, a 3-adhesive tape, a 4-carrier roller, a 5-redirecting roller A, a 6-tensioning roller, a 7-redirecting roller B, an 8-tensioning section, a 9-transition section, a 10-quick return section, a 11-feeding section and a 12-supporting frame.

Detailed Description

The technical solution of the present utility model is further described below with reference to the accompanying drawings, but the scope of protection of the present utility model is not limited to the above;

the utility model provides a tensioning structure of a belt conveyor, which is shown in fig. 1, and comprises a belt conveyor 1 and a tensioning car 2, wherein the belt conveyor 1 comprises a belt 3, a carrier roller 4 and a redirecting roller A5, a tensioning roller 6 and a redirecting roller B7 are arranged on the tensioning car 2, the belt 3 is wound on the peripheral surfaces of the carrier roller 4, the redirecting roller A5, the redirecting roller B7 and the tensioning roller 6, the belt 3 between the tensioning roller 6 and the redirecting roller B7 is a tensioning section 8, and the tensioning section 8 is arranged along the horizontal direction.

By adopting the technical scheme of the utility model, the tensioning direction of the adhesive tape tensioning section is changed into the direction along the horizontal direction by arranging the plurality of direction-changing rollers, when the tensioning amplitude is required to be adjusted, the relative position of the tensioning trolley and the adhesive tape machine is only required to be adjusted, so that the requirement for adjusting the tensioning amplitude is met, the adhesive tape machine foundation is not required to be modified, the adhesive tape machine foundation is ensured to be stable, and theoretically, the relative position of the tensioning trolley and the adhesive tape machine can be infinitely far, therefore, the adjusting range of the corresponding tensioning amplitude is also infinitely large, and compared with the prior art, the adjusting range of the tensioning amplitude is larger.

Further, the stretching machine 2 is placed below the adhesive tape machine 1, the adhesive tape 3 between the redirecting roller A5 and the redirecting roller B7 is a transition section 9, and the transition section 9 is arranged along the vertical direction. The outer diameter of the direction-changing roller A5 is identical with that of the direction-changing roller B7.

In addition, the adhesive tape 3 between the redirecting roller A5 and the carrier roller 4 is a quick return section 10, the adhesive tape 3 above the quick return section 10 is a feeding section 11, and the feeding section 11 and the quick return section 10 are parallel to each other. The inclination angle of the feeding section 11 with respect to the horizontal plane is 30 ° or less. The trolley 2 is placed below the tape machine 1, so that the occupied area of the whole equipment is reduced.

Specifically, the outer diameter of the redirecting roller A5 is not more than 50% of the outer diameter of the carrier roller 4. The trolley 2 is also fixedly connected with a supporting frame 12, and a bend roll B7 is arranged on the supporting frame 12. The support frame 12 has a right-angle triangular shape as a whole. The number of the redirection rollers B7 is two, the redirection rollers B are respectively arranged on a right-angle side and a bevel side of the right-angle triangle, and the supporting frame 12 is manufactured by welding channel steel. Thereby ensuring that the support frame 12 has sufficient strength and load capacity, and the outer diameter of the tension roller 6 is more than 1.25 times that of the bend roller B7.

Claims

1. The utility model provides a belt conveyor tensioning structure which characterized in that: including sealing-tape machine (1) and stretch-draw car (2), sealing-tape machine (1) is including sticky tape (3), bearing roller (4) and bend-draw roll A (5), install tensioning roller (6) and bend-draw roll B (7) on stretch-draw car (2), sticky tape (3) twine in on bearing roller (4), bend-draw roll A (5), bend-draw roll B (7) and the outer peripheral face of tensioning roller (6), sticky tape (3) between tensioning roller (6) and bend-draw roll B (7) are tensioning section (8), tensioning section (8) are arranged along the horizontal direction.

2. The belt conveyor tensioning structure as in claim 1 wherein: the stretching vehicle (2) is placed below the adhesive tape machine (1), the adhesive tape (3) between the direction-changing roller A (5) and the direction-changing roller B (7) is a transition section (9), and the transition section (9) is arranged along the vertical direction.

3. The belt conveyor tensioning arrangement as in claim 1 or 2 wherein: the outer diameter of the direction-changing roller A (5) is consistent with that of the direction-changing roller B (7).

4. The belt conveyor tensioning structure as in claim 1 wherein: the adhesive tape (3) between the direction-changing roller A (5) and the carrier roller (4) is a quick return section (10), the adhesive tape (3) above the quick return section (10) is a feeding section (11), and the feeding section (11) and the quick return section (10) are parallel to each other.

5. The belt conveyor tensioning structure as in claim 4 wherein: the inclination angle of the feeding section (11) relative to the horizontal plane is below 30 degrees.

6. The belt conveyor tensioning arrangement as in claim 1 or 4 wherein: the outer diameter of the direction-changing roller A (5) is not more than 50% of the outer diameter of the carrier roller (4).

7. The belt conveyor tensioning structure as in claim 1 wherein: the tensioning car (2) is fixedly connected with a supporting frame (12), and the direction-changing roller B (7) is arranged on the supporting frame (12).

8. The belt conveyor tensioning arrangement as in claim 7 wherein: the whole supporting frame (12) is in a right-angle triangle shape.

9. The belt conveyor tensioning arrangement as in claim 7 wherein: the supporting frame (12) is made of channel steel through welding.

10. The belt conveyor tensioning structure as in claim 1 wherein: the outer diameter of the tensioning roller (6) is more than 1.25 times of that of the redirecting roller B (7).