CN216470344U

CN216470344U - Dual-drive cantilever belt conveyor for pre-homogenizing and stacking limestone

Info

Publication number: CN216470344U
Application number: CN202123363517.1U
Authority: CN
Inventors: 周太峰; 连留成; 张选红; 李海龙
Original assignee: Weihui Tianrui Cement Co ltd
Current assignee: Weihui Tianrui Cement Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-05-10
Anticipated expiration: 2031-12-29

Abstract

The utility model relates to a double-drive cantilever belt conveyor for limestone pre-homogenization stacking in the technical field of belt conveyors, which comprises a bracket and a belt, wherein the tail part of the belt is provided with a driving roller connected with a first driving motor, and the head part of the belt is provided with a guide roller connected with a second driving motor; the utility model discloses the tensioning roller is all provided with below the return stroke face of the head of belt and afterbody, and the both ends of tensioning roller are connected with the tensioning subassembly, and the tensioning subassembly includes interconnect complex fixed plate, connecting plate, lead screw, compression spring, upper plate, bottom plate and slider, the utility model discloses rational in infrastructure, convenient operation makes the belt have dual drive, and helping hand belt synchronous operation guarantees that the belt does not skid after the belt angle of elevation increases, can increase the conveying capacity of belt, realizes the high-efficient work of lime stone prehomogenization cantilever belt feeder for windrow, has stabilized prehomogenization output and quality; meanwhile, the tension of the belt can be flexibly adjusted through the arrangement of the tension roller with adjustable tension.

Description

Dual-drive cantilever belt conveyor for pre-homogenizing and stacking limestone

Technical Field

The utility model relates to a belt feeder technical field specifically, relates to a lime stone prehomogenization is dual drive cantilever belt feeder for windrow.

Background

The cantilever belt conveyor for pre-homogenizing stockpile of limestone is an important pre-homogenizing conveying device before preparing raw materials in the cement industry, the tail part of a belt of the existing cantilever belt conveyor is provided with a driving roller for power transmission, the head part of the belt is provided with a guide roller, the belt is driven by the driving roller at the tail part of the belt during conveying materials, the belt drives the guide roller at the head part of the belt to rotate, the pre-homogenized limestone materials are conveyed to the head part of the belt by the belt and then discharged, along with the continuous discharge of the head part of the belt, the height of a stockpile below the head part of the belt is continuously lifted, so the height of the head part of the belt is continuously raised by increasing the elevation angle of the cantilever belt conveyor to adapt to the height of the stockpile and the stockpile amount, but when the head part of the existing cantilever belt conveyor is lifted, the phenomenon that the belt slips frequently occurs on the head part of the guide roller, thereby influencing the production operation and the yield improvement of normal enterprises, therefore, there is a need for a dual-drive cantilever belt conveyor for pre-homogenizing and stacking limestone to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a double-drive cantilever belt conveyor for limestone pre-homogenization stacking, which comprises a bracket and a belt arranged on the bracket, wherein the tail part of the belt is provided with a drive roller, and the head part of the belt is provided with a guide roller; the driving roller is connected with a first driving motor, the guide roller is connected with a second driving motor, tensioning rollers are arranged at the head and the tail of the belt, two ends of each tensioning roller are connected with tensioning assemblies, and the tensioning rollers are located below the return surface of the belt and are parallel to the return surface of the belt;

the tensioning assembly comprises a fixed plate, connecting plates, a guide screw, an upper supporting plate, a lower supporting plate and a sliding block, the fixed plate is fixed on a support corresponding to the end part of the tensioning roller, the plane of the fixed plate is perpendicular to the return surface of the belt, a U-shaped through groove perpendicular to the return surface is arranged on the fixed plate, the connecting plates are fixed on the fixed plates corresponding to two sides of the U-shaped through groove, a group of corresponding grooves are arranged on the opposite surfaces of the two connecting plates, the guide screw is positioned between the two connecting plates, the top end of the guide screw is fixedly connected with the support, guide holes are arranged at the centers of the upper supporting plate and the lower supporting plate, the lower end of the guide screw sequentially penetrates through the guide holes of the upper supporting plate and the lower supporting plate, an adjusting nut is connected to the guide screw penetrating through the lower supporting plate, and two sides of the upper supporting plate and the lower supporting plate are arranged in the grooves of the corresponding connecting plates in a sliding manner, the cover is equipped with compression spring on the lead screw between upper plate and the bottom plate, the equal fixedly connected with pivot in both ends of tensioning roller, the pivot is passed through the bearing and is connected with the slider rotation, the slider be located corresponding U type logical inslot and with corresponding upper plate fixed connection.

Preferably, the lower end of the compression spring is connected with the lower supporting plate, the upper end of the compression spring is connected with a transition plate, and the transition plate is sleeved on the guide screw rod. The stability that compression spring has been improved in this department setting, and the setting of crossing the cab apron has improved the degree of consistency of upper bracket board atress simultaneously, makes compression spring more stable to the power of tensioning roller, has improved the validity and the stability that the tensioning roller carries out the tensioning to the belt.

Preferably, the lower extreme opening of recess, this department set up be convenient for adjusting nut and take off the back from lead screw, take off the bottom plate, change compression spring that can be quick nimble, and then the adjustment tensioning dynamics, the adjustment tensioning roller is to the tensile force of belt.

Preferably, a tail belt pressing roller is arranged above the tail of the belt, so that the stability of belt conveying is ensured.

The utility model discloses still including making other subassemblies of lime stone prehomogenization windrow dual drive cantilever belt feeder normal use, like the control assembly of driving motor one, the control assembly of driving motor two, etc. are the conventional technical means in this area. In addition, the utility model discloses in add the device or the subassembly that restricts all adopt the conventional technical means in this field, be the conventional equipment in this field such as guide roller, driving roller, tensioning roller, belt, adjusting nut, compression spring, lead screw, afterbody press the belt cylinder.

The working principle of the utility model is that under the normal condition of one driving operation, the original cantilever belt conveyor can not meet the requirement of increasing the production capacity, and the conditions of slipping or material blockage and dead pressing can occur; through on-site investigation and calculation, under the condition that a driving roller at the tail part of a belt of the cantilever belt conveyor is connected with a driving motor I, a tensioning roller is additionally arranged below a return surface at the tail part of the belt, a guide roller at the head part of the belt is connected with a driving motor II, and a tensioning roller is also additionally arranged below the return surface at the head part of the belt, so that the driving of the cantilever belt conveyor is changed into a double-driving motor I and a driving motor II, the driving motor I and the driving motor II are electrically and synchronously controlled to rotate synchronously in the same direction, the synchronous driving of the belt is ensured, the tension of the belt is increased, and the transmission wrap angle theta of the belt is increased due to the arrangement of the tensioning rollers at the return surfaces at the head part and the tail part of the belt. And the tensioning assemblies at the two ends of the tensioning roller can be adjusted through adjusting the adjusting nuts to move up and down along the guide screw rod, and the thrust of the compression spring to the tensioning roller is adjusted, so that the tensioning effect of the tensioning roller to a belt is adjusted, or the automatic tensioning amount is adjusted by replacing the compression springs with different specifications.

The beneficial effects of the utility model are that the structure is reasonable, the operation is convenient, the drive motor II of the belt head guide roller is added, the belt tail drive roller is matched, the belt tail and the head form double drives, the boosting belt runs synchronously, after the increase of the belt elevation angle is ensured, the belt does not slip, the conveying capacity of the belt can be increased, the high-efficiency work of the cantilever belt conveyor for limestone pre-homogenization stacking is realized, and the pre-homogenization yield and quality are stabilized; simultaneously through the setting of tensioning roller with adjustable rate of tension, can adjust the tensioning of belt in a flexible way, further improved the operating efficiency and the operating stability of cantilever belt feeder, be favorable to the production needs, the practicality is strong, and application scope is wide.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural view of a dual-drive cantilever belt conveyor for limestone pre-homogenization and stockpiling of the utility model;

FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;

fig. 3 is a schematic view of the tension assembly at both ends of the tension roller of fig. 2.

In the figure: 1. the automatic belt pressing device comprises a conveying surface, 2 parts of driving rollers, 3 parts of tail belt pressing rollers, 4 parts of tensioning assemblies, 5 parts of guiding rollers, 6 parts of blanking devices, 7 parts of supports, 8 parts of tensioning rollers, 9 parts of connecting plates, 10 parts of rotating shafts, 11 parts of adjusting nuts, 12 parts of guiding screws, 13 parts of return surfaces, 14 parts of fixing plates, 15 parts of grooves, 16 parts of lower supporting plates, 17 parts of compression springs, 18 parts of transition plates, 19 parts of upper supporting plates, 20 parts of sliding blocks and 21 parts of U-shaped through grooves.

Detailed Description

The present invention will be described more clearly with reference to the accompanying drawings and specific embodiments in the embodiments of the present invention, and the description herein is only for explaining the present invention, but not for limiting the present invention. Based on the embodiments of the present invention, any modifications, equivalent replacements, improvements, etc. made by other embodiments obtained by those skilled in the art without creative efforts should be included in the protection scope of the present invention.

Examples

As shown in fig. 1-3, the utility model provides a dual-drive cantilever belt conveyor for limestone pre-homogenization stacking, which comprises a bracket 7 and a belt arranged on the bracket 7, wherein the tail part of the belt is provided with a driving roller 2, and the head part of the belt is provided with a guide roller 5; the driving roller 2 is connected with a first driving motor, the guide roller 5 is connected with a second driving motor, the head and the tail of the belt are both provided with tensioning rollers 8, two ends of each tensioning roller 8 are connected with tensioning assemblies 4, and the tensioning rollers are located below a return surface 13 of the belt and are parallel to the return surface 13 of the belt;

the tensioning assembly comprises a fixing plate 14, a connecting plate 9, a guide screw 12, an upper supporting plate 19, a lower supporting plate 16 and a sliding block 20, wherein the fixing plate 14 is fixed on a support 7 corresponding to the end part of a tensioning roller 8, the plane of the fixing plate 14 is perpendicular to the return surface 13 of a belt, a U-shaped through groove 21 perpendicular to the return surface 13 is arranged on the fixing plate 14, the connecting plate 9 is fixed on the fixing plate 14 corresponding to two sides of the U-shaped through groove 21, a group of corresponding grooves 15 are arranged on the opposite surfaces of the two connecting plates 9, the guide screw 12 is positioned between the two connecting plates 9, the top end of the guide screw 12 is fixedly connected with the support 7, guide holes are arranged at the centers of the upper supporting plate 19 and the lower supporting plate 16, the lower end of the guide screw 12 sequentially penetrates through the guide holes of the upper supporting plate 19 and the lower supporting plate 16, and the guide screw 12 penetrating through the lower supporting plate 16 is in threaded connection with an adjusting nut 11, the both sides of upper bracket plate 19 and bottom plate 16 slide and set up in the recess 15 of the connecting plate 9 that corresponds, and the cover is equipped with compression spring 17 on the lead screw 12 between upper bracket plate 19 and the bottom plate 16, the equal fixedly connected with pivot 10 in both ends of tensioning roller 8, pivot 10 passes through the bearing and is connected with the rotation of slider 20, slider 20 is located corresponding U type logical inslot 21 and with the 19 fixed connection of upper bracket plate that corresponds.

The lower end of the compression spring 17 is connected with the lower supporting plate 16, the upper end of the compression spring 17 is connected with a transition plate 18, and the transition plate 18 is sleeved on the guide screw 12. The stability that compression spring 17 has been improved in this department setting, and the setting that crosses cab apron 18 simultaneously has improved the degree of consistency that the 19 atress of upper bracket board, makes compression spring 17 more stable to the power of applying of tensioning roller 8, has improved the validity and the stability that tensioning roller 8 carries out the tensioning to the belt.

The lower end opening of recess 15, this department sets up the back of being convenient for adjusting nut 11 to take off from lead screw 12, takes off bottom plate 16, and change compression spring 17 that can be quick nimble, and then the adjustment tensioning dynamics adjusts the tensioning force of tensioning roller 8 to the belt.

The tail part of the belt is provided with a tail part belt pressing roller 3, so that the stability of conveying the belt is ensured.

In the embodiment, the specification B1400x27000mm of the cantilever belt conveyor is that the belt speed is 2.5m/s, the conveying capacity reaches 1800t/h, when in use, the prehomogenized limestone material falls onto the conveying surface 1 of the belt from the blanking device 6, the first driving motor and the second driving motor are controlled to rotate in the same direction through electrical synchronization control, double driving is provided for the belt, the belt drives the material to be conveyed to the guide roller, the height of the material pile below the head of the belt is continuously lifted, the elevation angle of the cantilever belt conveyor is increased to continuously raise the head height of the belt, under the mutual cooperation of the double driving and the two tensioning rollers, the belt is ensured not to slip, the tensioning components at the two ends of the tensioning rollers can drive the lower supporting plate to move up and down along the guide screw through adjusting nuts, the upper supporting plate is pushed to move up and down under the action of the compression spring, the upper supporting plate drives the sliding block and the tensioning roller connected with the sliding block to move up and down, thereby adjusting the tension of the tension roller to the belt, or adjusting the automatic tension amount by replacing compression springs with different specifications.

While embodiments of the invention have been described above, the above description is illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A dual-drive cantilever belt conveyor for pre-homogenizing and stacking limestone comprises a support and a belt arranged on the support, wherein a driving roller is arranged at the tail part of the belt, and a guide roller is arranged at the head part of the belt; the method is characterized in that: the driving roller is connected with a first driving motor, the guide roller is connected with a second driving motor, the head and the tail of the belt are both provided with tensioning rollers, two ends of each tensioning roller are connected with tensioning assemblies, and the tensioning rollers are located below the return surface of the belt and are parallel to the return surface of the belt;

2. The dual drive cantilever conveyor for the pre-homogenized windrow of limestone of claim 1, wherein: the lower end of the compression spring is connected with the lower supporting plate, the upper end of the compression spring is connected with a transition plate, and the transition plate is sleeved on the guide screw rod.

3. The dual drive cantilever conveyor for the pre-homogenized windrow of limestone of claim 1, wherein: the lower end of the groove is open.

4. The dual drive cantilever conveyor for the pre-homogenized windrow of limestone of claim 1, wherein: and a tail pressing roller is arranged above the tail of the belt.