CN215325101U

CN215325101U - Belt tensioning device under height-limited condition

Info

Publication number: CN215325101U
Application number: CN202023118006.9U
Authority: CN
Inventors: 王新东; 董洪旺; 邓蕊; 班宝旺; 王敏
Original assignee: Tangsteel International Engineering Technology Co ltd
Current assignee: Tanggang International Engineering Technology Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-12-28
Anticipated expiration: 2030-12-22

Abstract

The utility model relates to a belt tensioning device under a height-limited condition, and belongs to the technical field of belt conveying and conveying. The tensioning device comprises a turnabout drum I (1), a turnabout drum II (2), a drum support I (3), a turnabout drum III (4), a turnabout drum IV (5), a drum support II (6), a turnabout drum V (7) and a tensioning trolley (8), and the tensioning device comprises a pulley I (11), a pulley II (12), a tensioning tower frame (13), a heavy hammer box (14) and a steel wire rope (22). The device of the utility model utilizes the bend pulley and the pulley block to arrange the tension device tower frame to one side of the belt conveyor, thereby realizing the tension operation on the belt under the condition that the height of the corridor can not meet the requirement of the tension stroke of the heavy hammer box.

Description

Belt tensioning device under height-limited condition

Technical Field

The utility model relates to a belt tensioning device under a height-limited condition, and belongs to the technical field of belt conveying and conveying.

Background

The belt conveyor vertical tensioning device has the advantages of simple structure, high reliability, simplicity and convenience in maintenance, quick dynamic reaction, high cost performance and the like, and is widely applied to the field of belt conveyor conveying. The conventional belt conveyor vertical tensioning device adopts a heavy hammer box as a balance weight, the heavy hammer box is arranged below a gallery, and the gallery height needs to meet the requirement of the tensioning stroke of the heavy hammer box. However, under the condition of height limitation, the height of the corridor cannot meet the requirement of the tensioning stroke of the heavy hammer box, the arrangement mode of the heavy hammer box is limited, and the requirement of tensioning the belt cannot be met. Therefore, the belt tensioning device under the height-limited condition needs to be designed, and the belt tensioning operation is implemented on the belt under the condition that the height of the corridor cannot meet the requirement of the tensioning stroke of the heavy hammer box.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a belt tensioning device under the condition of limited height, which can realize the tensioning operation of a belt under the condition that the height of a corridor cannot meet the requirement of the tensioning stroke of a heavy hammer box.

The technical scheme of the utility model is as follows: a belt tensioning device under a height-limited condition comprises a tensioning device, a stretching device and a track, wherein the tensioning device comprises a bend pulley I, a bend pulley II, a pulley support I, a bend pulley III, a bend pulley IV, a pulley support II, a bend pulley V and a tensioning trolley, the tensioning trolley comprises wheels and a frame, the four wheels are assembled under the frame, the wheels are assembled with the track in a matching manner, the pulley support I is a steel structure device, the bend pulley I and the bend pulley II are respectively assembled on the two pulley supports I, the two pulley supports I are assembled on the lower side of a descending belt, the pulley support II is a steel structure and comprises a vertical beam, an oblique beam and a bottom beam, the vertical beam is fixedly connected with the bottom beam, the oblique beam and the bottom beam are arranged at an angle of 45 degrees, the bend pulley III is assembled on the vertical beam, the bend pulley I is assembled on the oblique beam, the tensioning device comprises a pulley I, a pulley II, a tensioning tower, a heavy hammer box and a steel wire rope, wherein the tensioning tower is a steel structure tower with a hollow structure, the heavy hammer box is a weight box, the pulleys I are assembled on two sides of the top of the heavy hammer box, the top of the tensioning tower and the side face of the bottom of the heavy hammer box, the steel wire rope penetrates through the pulley I on the tensioning tower, one end of the steel wire rope is fixed with the top of the heavy hammer box, the other end of the steel wire rope is fixed with a tensioning trolley, and the pulley I performs turning on the steel wire rope.

And the highest point bus of the bend pulley I and the bend pulley II is in the same plane with the lower surface of the downward belt.

And 1-5 groups of pulleys II can be arranged between the steel wire rope tensioning tower and the turnabout drum V, and the pulleys II tension the steel wire rope.

1-3 steel wire ropes can be arranged between the tensioning tower and the turnabout drum V.

The utility model has the beneficial effects that: the device has simple structure, low cost and convenient installation, adopts the belt conveyor tensioning device of 'tensioning trolley + direction-changing pulley + tensioning tower', effectively avoids the defect of insufficient space for conventional vertical tensioning installation under the condition of limited height, ingeniously arranges the tensioning device tower to one side of the belt conveyor by using the direction-changing pulley and the pulley block, fully utilizes the existing space, makes the whole process arrangement more compact and reasonable, and realizes the tensioning operation on the belt under the condition that the height of a corridor can not meet the requirement of the tensioning stroke of the heavy punch box.

Drawings

FIG. 1 is a schematic view of the apparatus of the present invention in use;

FIG. 2 is a top view of the apparatus of the present invention in use;

FIG. 3 is a front view of the roller frame of the apparatus of the present invention;

FIG. 4 is a schematic view of the tensioning cart of the apparatus of the present invention;

FIG. 5 is a front view of the roller support of the apparatus of the present invention;

FIG. 6 is a schematic view of a pulley I and a pulley II of the device of the present invention;

FIG. 7 is a front view of the weight box of the present invention;

FIG. 8 is a side view of the weight box of the present invention;

FIG. 9 is a front view of the tension tower of the apparatus of the present invention;

labeled as: the device comprises a turnabout drum I1, a turnabout drum II 2, a drum support 3, a turnabout drum III 4, a turnabout drum IV 5, a drum support 6, a turnabout drum V7, a tensioning trolley 8, a rail 9, a rope seat 10, a pulley I11, a pulley II 12, a tensioning tower 13, a heavy hammer box 14, wheels 16, a frame 17, a vertical beam 18, an oblique beam 19, a bottom beam 20, a steel wire rope 22 and a downward belt 23.

Detailed Description

The present invention is described in further detail below with reference to the attached drawings.

As shown in the attached drawing, the belt tensioning device under the height-limited condition comprises a tensioning device, a stretching device and a track 9, wherein the tensioning device comprises a bend pulley I1, a bend pulley II 2, a pulley support I3, a bend pulley III 4, a bend pulley IV 5, a pulley support II 6, a bend pulley V7 and a tensioning trolley 8, the tensioning trolley 8 comprises wheels 16 and a frame 17, the four wheels 16 are assembled under the frame 17, the wheels 16 are assembled with the track 9 in a matching way, the pulley support I3 is a steel structure device, the bend pulley I1 and the bend pulley II 2 are respectively assembled on the two pulley supports I3, the two pulley supports I3 are assembled at the lower side of a down belt 23, the pulley support II 6 is a steel structure and comprises a vertical beam 18, an oblique beam 19 and a bottom beam 20, the vertical beam 18 is fixedly connected with the bottom beam 20, the oblique beam 19 and the bottom beam 20 are arranged at an angle of 45 degrees, the direction-changing drum III 4 is assembled on a vertical beam 18, the direction-changing drum IV 5 is assembled on an oblique beam 19, the stretching device comprises pulleys I11, pulleys II 12, a tensioning tower 13, a heavy hammer box 14 and steel wire ropes 22, the tensioning tower 13 is a hollow steel structure tower, the heavy hammer box 14 is a weight box, the pulleys I11 are assembled on two sides of the top of the heavy hammer box 14 and on the top and bottom sides of the tensioning tower 13, the steel wire ropes 22 penetrate through the pulleys I11 on the tensioning tower 13, one end of each pulley is fixed to the top of the heavy hammer box 14, the other end of each pulley is fixed to the tensioning trolley 8, and the pulleys I11 change the direction of the steel wire ropes 22. The highest point generatrix of the direction-changing rollers I1 and II 2 is on the same plane with the lower surface of the downward belt 23. 2 groups of pulleys II 12 can be arranged between the tension tower 13 and the direction-changing drum V7 of the steel wire rope 22, and the pulleys II 12 tension the steel wire rope 22. 2 steel wire ropes 22 can be arranged between the tensioning tower 13 and the direction-changing drum V7.

In the case of height limitation, the belt tensioning method comprises the following steps:

assembling the descending belt 23 with a tensioning device: assembling the tensioning trolley 8 on the track 9, performing primary direction changing on the downward belt 23 through a direction changing drum I1, and performing secondary direction changing through a direction changing drum III 4 to enable the downward belt 23 to be parallel to the track 9; the descending belt 23 passes through the direction-changing drum V7 from bottom to top, is reversely changed, and is changed twice by the direction-changing drum IV 5 and the direction-changing drum V7 to return to the working direction of the descending belt 23;

assembling a stretching device: a steel wire rope 22 penetrates through a pulley I11 on a tensioning tower 13, one end of the steel wire rope is fixed with the top end of a heavy hammer box 14, the other end of the steel wire rope is fixed with a tensioning trolley 8, the steel wire rope 22 is tensioned by a pulley II 12 arranged between the tensioning tower 13 and a bend pulley V7, and the tensioning trolley 8 pulls a descending belt 23 to move under the pulling of the heavy hammer box 14 to perform tensioning operation;

and thirdly, the balance weight of the weight box 14 is adjusted to ensure that the descending belt 23 is in a proper tension state.

The device has simple structure, low cost and convenient installation, adopts the belt conveyor tensioning device comprising the tensioning trolley, the bend pulley and the tensioning tower frame to effectively avoid the defect of insufficient space in the conventional vertical tensioning installation under the condition of limited height, skillfully utilizes the bend pulley and the pulley block to arrange the tensioning device tower frame to one side of the belt conveyor, fully utilizes the existing space, ensures that the whole process arrangement is more compact and reasonable, realizes the tensioning operation of the belt under the condition that the height of a corridor cannot meet the requirement of the tensioning stroke of a heavy hammer box, reduces the tensioning force by half by arranging the fixed ends at the two ends of a steel wire rope bypassing the movable pulley block on the tensioning trolley, effectively lightens the weight of the counterweight and saves the cost.

Claims

1. A belt tensioning device under a height-limited condition is characterized by comprising a tensioning device, a stretching device and a rail (9), wherein the tensioning device comprises a turnabout drum I (1), a turnabout drum II (2), a drum support I (3), a turnabout drum III (4), a turnabout drum IV (5), a drum support II (6), a turnabout drum V (7) and a tensioning trolley (8), the tensioning trolley (8) comprises wheels (16) and a frame (17), four wheels (16) are assembled under the frame (17), the wheels (16) and the rail (9) are assembled in a matching manner, the drum support I (3) is a steel structure device, the turnabout drum I (1) and the turnabout drum II (2) are respectively assembled on the two drum supports I (3), the two drum supports I (3) are assembled on the lower side of a descending belt (23), and the drum support II (6) is of a steel structure, the tension device comprises a vertical beam (18), an oblique beam (19) and a bottom beam (20), wherein the vertical beam (18) is fixedly connected with the vertical bottom beam (20), the oblique beam (19) and the bottom beam (20) are arranged at an angle of 45 degrees, a turnabout drum III (4) is assembled on the vertical beam (18), a turnabout drum IV (5) is assembled on the oblique beam (19), the tension device comprises a pulley I (11), a pulley II (12), a tension tower frame (13), a heavy hammer box (14) and a steel wire rope (22), the tension tower frame (13) is a steel structure tower frame with a hollow structure, the heavy hammer box (14) is a weight box, the pulleys I (11) are assembled on two sides of the top of the heavy hammer box (14) and on the top and side surfaces of the bottom of the tension tower frame (13), the steel wire rope (22) penetrates through the pulley I (11) on the tension tower frame (13), one end of the steel wire rope is fixed with the top of the heavy hammer box (14), and the other end of the steel wire rope is fixed with a tension trolley (8), the pulley I (11) changes the direction of the steel wire rope (22).

2. The belt tensioner under height-limited conditions as set forth in claim 1, wherein the highest-point generatrix of said direction-changing drums (1) and (2) is coplanar with the lower surface of the down belt (23).

3. The belt tensioner under height-limited conditions as claimed in claim 1, characterized in that the steel cable (22) can be provided with 1-5 sets of pulleys ii (12) between the tension tower (13) and the direction-changing drum v (7), the pulleys ii (12) tensioning the steel cable (22).

4. Belt tensioner under height-limited conditions as per claim 1, characterized by the fact that between the tension tower (13) and the direction-changing drum V (7) there can be 1-3 steel cables (22).