阅读说明：本技术 一种节能的皮带机多电机驱动机构 (Energy-saving multi-motor driving mechanism of belt conveyor ) 是由 徐勇 张智华 徐广泽 龚旭 于 2020-08-04 设计创作，主要内容包括：本发明公开了一种节能的皮带机多电机驱动机构,包括驱动滚筒、第一电机、齿轮箱和过渡箱,所述第一电机与所述齿轮箱连接,所述齿轮箱用于改变第一电机的扭矩,所述齿轮箱与所述过渡箱连接,所述过渡箱内设有移动组件和刹车组件,所述移动组件用于连接所述第一锥形齿轮和所述第二锥形齿轮,所述刹车组件用于制动所述转动杆。本发明通过设置移动组件,能够实现多电机驱动和单电机驱动,使得皮带机的运行更能够适应现场的工作环境,降低了电能的损耗,节约了能源,设置刹车组件,能够使皮带机的制动无论在几个电机的驱动下,都能实现多个刹车组件同时制动,从而使皮带机能够及时的停止。(The invention discloses an energy-saving multi-motor driving mechanism of a belt conveyor, which comprises a driving roller, a first motor, a gear box and a transition box, wherein the first motor is connected with the gear box, the gear box is used for changing the torque of the first motor, the gear box is connected with the transition box, a moving assembly and a brake assembly are arranged in the transition box, the moving assembly is used for connecting a first bevel gear and a second bevel gear, and the brake assembly is used for braking a rotating rod. The belt conveyor is provided with the moving assembly, so that multi-motor driving and single-motor driving can be realized, the operation of the belt conveyor can be more suitable for the working environment of a site, the electric energy loss is reduced, the energy is saved, and the braking assembly is arranged, so that the simultaneous braking of a plurality of braking assemblies can be realized no matter the belt conveyor is driven by a plurality of motors, and the belt conveyor can be stopped in time.)

1. An energy-saving multi-motor driving mechanism of a belt conveyor comprises a driving roller, a first motor, a gear box and a transition box, wherein the first motor is connected with the gear box, the gear box is used for changing the torque of the first motor, the gear box is connected with the transition box, and a moving assembly is arranged in the transition box;

an output shaft is arranged on the gear box, the output shaft extends into the transition box and is rotationally connected with the transition box, a first bevel gear is arranged in the transition box, the first bevel gear is fixedly connected with the output shaft, a partition plate is fixedly arranged in the transition box, the partition plate divides the interior of the transition box into two independent parts, a rotating rod is rotationally arranged on one side of the transition box, and the rotating rod penetrates through the partition plate and is rotationally connected with the partition plate;

the moving assembly comprises a third bevel gear, the third bevel gear is arranged in the transition box, the third bevel gear is matched with the first bevel gear and the second bevel gear, a rotating block is fixedly mounted on the third bevel gear, a moving plate is arranged on one side, away from the third bevel gear, of the rotating block, the moving plate is rotatably connected with the rotating block, a first lead screw is fixedly mounted on one side, away from the rotating block, of the moving plate, a first threaded sleeve is mounted on the first lead screw in a threaded manner, one side, away from the moving plate, of the first threaded sleeve extends out of the transition box and is rotatably connected with the transition box, a second motor is fixedly mounted on one side of the transition box, the second motor is connected with the first threaded sleeve, and the second motor is used for driving the first threaded sleeve to rotate, the moving assembly is used for connecting the first bevel gear and the second bevel gear.

2. The multi-motor driving mechanism of the energy-saving belt conveyor as claimed in claim 1, characterized in that: the movable plate comprises a transition box and is characterized in that two limiting structures are fixedly mounted above the inner wall of one side of the transition box, each limiting structure comprises a limiting pipe, the limiting pipes are fixedly mounted on the inner wall of one side of the transition box, sliders are mounted in the limiting pipes in a sliding mode, slide rods are fixedly mounted at the tops of the sliders, the top ends of the slide rods extend to the tops of the limiting pipes and are in sliding connection with the limiting pipes, the top ends of the slide rods are fixedly connected with the movable plate, and the limiting structures are used for limiting the movable plate to move so that the movable plate can move stably.

3. The multi-motor driving mechanism of the energy-saving belt conveyor as claimed in claim 2, characterized in that: three sides of transition case with all seted up first bearing hole on the baffle, it is a plurality of equal fixed mounting has first sealed bearing in the first bearing hole, the output shaft of gear box dwang and first threaded sleeve and corresponding first sealed bearing's inner circle fixed connection, it is a plurality of first sealed bearing is used for supporting fixedly the output shaft of gear box dwang and first threaded sleeve just have sealed effect.

4. The multi-motor driving mechanism of the energy-saving belt conveyor as claimed in claim 1, characterized in that: the transition incasement is equipped with brake assembly, brake assembly is used for the braking the dwang.

5. The multi-motor driving mechanism of the energy-saving belt conveyor as claimed in claim 4, wherein: brake subassembly includes clutch blocks and two arcs, the fixed cover of piece is established on the dwang, two the arc all rotates to be installed on the bottom inner wall of transition case, two equal fixed mounting has the brake shoe, two on the inner arc of arc the brake shoe all with clutch blocks looks adaptation.

6. The multi-motor driving mechanism of the energy-saving belt conveyor as claimed in claim 5, characterized in that: a driving structure is arranged in the transition box and used for driving the two arc plates to rotate, the driving structure comprises a second lead screw, the second lead screw is rotatably arranged in the transition box, one end of the second lead screw extends out of the transition box, a third motor is fixedly arranged on one side of the transition box and is fixedly connected with the second lead screw, two sections of threads with opposite rotating directions are arranged on the second lead screw, two second threaded sleeves are arranged on the second lead screw in a threaded manner and are respectively positioned on the two sections of threads with opposite rotating directions, moving rods are fixedly arranged at the bottoms of the two second threaded sleeves, sliding blocks are fixedly arranged on the two moving rods, fixed blocks are fixedly arranged on the two arc plates, and T-shaped grooves are arranged on the sides, far away from each other, of the two fixed blocks, the sliding block with T-shaped groove sliding connection, the equal fixed mounting in both sides of sliding block has the round bar, two the round bar all with T-shaped groove sliding connection.

7. The multi-motor driving mechanism of the energy-saving belt conveyor as claimed in claim 6, wherein: the top of each of the two second threaded sleeves is fixedly provided with a moving block, the inner wall of the top of the transition box is provided with a sliding groove, and the two moving blocks are both in sliding connection with the sliding grooves.

8. The multi-motor driving mechanism of the energy-saving belt conveyor as claimed in claim 5, characterized in that: the transition incasement is equipped with the subassembly of blowing, the subassembly of blowing includes the toroidal tube, toroidal tube fixed mounting is in the transition incasement, fixed mounting has a plurality of air faucets on the toroidal tube, and is a plurality of the air faucet is annular array and distributes, and is a plurality of the air faucet all with the toroidal tube is linked together, fixed mounting has the intake pipe on the toroidal tube, the intake pipe with the toroidal tube is linked together, the one end of intake pipe extends to outside the transition case, the subassembly of blowing is used for blowing away the piece that falls down on the brake lining with be used for the temperature of brake lining and clutch blocks.

9. The multi-motor driving mechanism of the energy-saving belt conveyor as claimed in claim 1, characterized in that: one side of transition case is equipped with the collection subassembly, the collection subassembly is including the installation pipe, the installation pipe runs through one side of transition case and with transition case threaded connection, the one end fixed mounting of installation pipe has the filter screen, the collection subassembly is used for collecting the piece in the transition case.

10. The multi-motor driving mechanism of the energy-saving belt conveyor as claimed in claim 1, characterized in that: an observation window is arranged on one side of the transition box, transparent glass is arranged in the observation window, and a plurality of scale marks are arranged on the transparent glass.

Technical Field

The invention relates to the technical field of belt conveyors, in particular to an energy-saving multi-motor driving mechanism of a belt conveyor.

Background

The port belt conveyor is an important material conveying device for converting electric energy into mechanical energy, is responsible for an important task of conveying materials, and has great influence on improving the working efficiency of a port. In recent years, with rapid economic growth and rapid innovation of industrial technology, production scale and efficiency of enterprises are urgently required to be improved, industrial structures are continuously adjusted and integrated, and the requirement on transmission technology of a belt conveyor is increasingly increased, so that the development of the belt conveyor towards high speed, long distance, intellectualization, energy conservation and environmental protection is promoted. The total electric power requirement of a driving system is higher than that of the traditional belt conveyor while the carrying capacity and the benefit are improved, and meanwhile if the traditional single motor driving is still adopted, the miniaturization standard during equipment model selection is not met on one hand, and meanwhile, the cost control is not facilitated; on the other hand, the belt bears larger circumferential force at a single point in the starting and running processes, the belt strength is required to be higher, the belt is easy to damage, and the reliability and safety of system running are reduced, so that the multi-motor driving long-distance and high-speed belt conveyor is necessary.

However, when the belt conveyor is driven by multiple motors, the belt conveyor is required to idle when the belt conveyor is overhauled, and the belt conveyor idles.

Therefore, an energy-saving multi-motor driving mechanism of the belt conveyor is provided to solve the problems.

Disclosure of Invention

The invention aims to provide an energy-saving multi-motor driving mechanism of a belt conveyor, which can realize multi-motor driving and single-motor driving by arranging a moving assembly, so that the operation of the belt conveyor can be more suitable for the working environment of a site, the electric energy loss is reduced, the energy is saved, and the braking assembly is arranged, so that the simultaneous braking of a plurality of braking assemblies can be realized no matter the belt conveyor is driven by a plurality of motors, and the belt conveyor can be stopped in time.

The invention provides a specific technical scheme as follows:

an energy-saving multi-motor driving mechanism of a belt conveyor comprises a driving roller, a first motor, a gear box and a transition box, wherein the first motor is connected with the gear box, the gear box is used for changing the torque of the first motor, the gear box is connected with the transition box, and a moving assembly is arranged in the transition box; an output shaft is arranged on the gear box, the output shaft extends into the transition box and is rotationally connected with the transition box, a first bevel gear is arranged in the transition box, the first bevel gear is fixedly connected with the output shaft, a partition plate is fixedly arranged in the transition box, the partition plate divides the interior of the transition box into two independent parts, a rotating rod is rotationally arranged on one side of the transition box, and the rotating rod penetrates through the partition plate and is rotationally connected with the partition plate; the moving assembly comprises a third bevel gear, the third bevel gear is arranged in the transition box, the third bevel gear is matched with the first bevel gear and the second bevel gear, a rotating block is fixedly mounted on the third bevel gear, a moving plate is arranged on one side, away from the third bevel gear, of the rotating block, the moving plate is rotatably connected with the rotating block, a first lead screw is fixedly mounted on one side, away from the rotating block, of the moving plate, a first threaded sleeve is mounted on the first lead screw in a threaded manner, one side, away from the moving plate, of the first threaded sleeve extends out of the transition box and is rotatably connected with the transition box, a second motor is fixedly mounted on one side of the transition box, the second motor is connected with the first threaded sleeve, and the second motor is used for driving the first threaded sleeve to rotate, the moving assembly is used for connecting the first bevel gear and the second bevel gear.

As a further improvement of the invention, two limiting structures are fixedly mounted above the inner wall of one side of the transition box, each limiting structure comprises a limiting tube, the limiting tubes are fixedly mounted on the inner wall of one side of the transition box, sliding blocks are slidably mounted in the limiting tubes, sliding rods are fixedly mounted at the tops of the sliding blocks, the top ends of the sliding rods extend to the upper side of the limiting tubes and are slidably connected with the limiting tubes, the top ends of the sliding rods are fixedly connected with the movable plate, and the limiting structures are used for limiting the movement of the movable plate so as to enable the movable plate to stably move.

As a further improvement of the present invention, three sides of the transition box and the partition plate are respectively provided with a first bearing hole, a plurality of first sealing bearings are fixedly installed in the first bearing holes, the output shaft of the gear box, the rotating rod and the first threaded sleeve are fixedly connected with the inner ring of the corresponding first sealing bearing, and the plurality of first sealing bearings are used for supporting and fixing the output shaft of the gear box, the rotating rod and the first threaded sleeve and have a sealing function.

As a further improvement of the invention, a brake component is arranged in the transition box and used for braking the rotating rod.

As a further improvement of the brake device, the brake assembly comprises a friction block and two arc-shaped plates, the block is fixedly sleeved on the rotating rod, the two arc-shaped plates are rotatably installed on the inner wall of the bottom of the transition box, brake shoes are fixedly installed on the inner arcs of the two arc-shaped plates, and the two brake shoes are matched with the friction block.

As a further improvement of the present invention, a driving structure is arranged in the transition box, the driving structure is used for driving the two arc plates to rotate, the driving structure includes a second lead screw, the second lead screw is rotatably installed in the transition box, one end of the second lead screw extends out of the transition box, one side of the transition box is fixedly installed with a third motor, the third motor is fixedly connected with the second lead screw, the second lead screw is provided with two sections of threads with opposite rotation directions, the second lead screw is provided with two second threaded sleeves, the two second threaded sleeves are respectively located on the two sections of threads with opposite rotation directions, the bottoms of the two second threaded sleeves are both fixedly installed with moving rods, both the moving rods are fixedly installed with sliding blocks, both the arc plates are fixedly installed with fixed blocks, and one side of the two fixed blocks, which is far away from each other, is both provided with T-shaped grooves, the sliding block with T-shaped groove sliding connection, the equal fixed mounting in both sides of sliding block has the round bar, two the round bar all with T-shaped groove sliding connection.

As a further improvement of the invention, moving blocks are fixedly mounted at the tops of the two second threaded sleeves, a sliding groove is formed in the inner wall of the top of the transition box, and the two moving blocks are connected with the sliding groove in a sliding manner.

As a further improvement of the invention, an air blowing assembly is arranged in the transition box, the air blowing assembly comprises an annular pipe, the annular pipe is fixedly arranged in the transition box, a plurality of air nozzles are fixedly arranged on the annular pipe, the air nozzles are distributed in an annular array, the air nozzles are communicated with the annular pipe, an air inlet pipe is fixedly arranged on the annular pipe, the air inlet pipe is communicated with the annular pipe, one end of the air inlet pipe extends out of the transition box, and the air blowing assembly is used for blowing away chips falling from the brake lining and the temperature of the brake lining and the friction block.

As a further improvement of the invention, one side of the transition box is provided with a collecting component, the collecting component comprises an installation pipe, the installation pipe penetrates through one side of the transition box and is in threaded connection with the transition box, one end of the installation pipe is fixedly provided with a filter screen, and the collecting component is used for collecting debris in the transition box.

As a further improvement of the invention, an observation window is arranged on one side of the transition box, transparent glass is arranged in the observation window, and a plurality of scale marks are arranged on the transparent glass.

The invention has the following beneficial effects:

(1) the energy-saving multi-motor driving mechanism of the belt conveyor comprises a first screw sleeve, a first screw rod, a moving plate, a third bevel gear, a rotating block, a third bevel gear, a second bevel gear, a third motor and a second motor, wherein the first screw rod is driven by the first screw rod to move, the third bevel gear is meshed with the first bevel gear and the second bevel gear after the third bevel gear moves to a specified position, at the moment, if the first bevel gear rotates, the first bevel gear drives the second bevel gear to rotate through the third bevel gear, the second bevel gear can be driven to rotate, the third bevel gear plays a role in connection transmission on the first bevel gear and the second bevel gear, and if the belt conveyor idles to carry out single-motor driving, the third bevel gear does not contact with the first bevel, make first bevel gear and second bevel gear be in the off-state, driving roll at this moment all is in the rotation state, driving roll rotates and drives the dwang rotation, the dwang rotates and drives second bevel gear and rotates, because third bevel gear not with second bevel gear contact, make first bevel gear can remain motionless, thereby avoided the motor gyration of not operation to produce the electric current, the component of damage converter, and simultaneously, also can avoid the motor rotation of not operation, cause single motor to drive a plurality of driving roll and a plurality of motor rotation, thereby cause the loss of electric energy, be unfavorable for energy-conservation.

(2) According to the energy-saving multi-motor driving mechanism for the belt conveyor, the limiting structure is arranged, so that the moving plate can move more stably, the moving plate is prevented from rotating when moving, the moving plate drives the sliding block to move through the sliding rod in the moving process of the moving plate, and the sliding block can prevent the sliding rod from moving out of the limiting pipe.

(3) The energy-saving belt conveyor multi-motor driving mechanism can enable the two brake shoes to be in contact with or separated from the friction block by rotating the two arc-shaped plates, so that the friction block is braked.

(4) According to the energy-saving multi-motor driving mechanism for the belt conveyor, the second screw rod is rotated by starting the third motor, the second screw rod rotates to drive the two second threaded sleeves to be away from or close to each other, the second threaded sleeves move to drive the movable rod to move, the movable rod moves to drive the sliding block to move, the sliding block moves to drive the fixed block to move through the round rod, the fixed block moves to drive the arc-shaped plate to deflect, and therefore the brake shoe can be in contact with or separated from the friction block.

(5) According to the energy-saving multi-motor driving mechanism for the belt conveyor, high-pressure gas is conveyed into the air inlet pipe, so that the high-pressure gas enters the annular pipe and is blown out through the plurality of air nozzles, brake shoe scraps generated when the brake assembly brakes the rotating rod are blown away, the scraps are prevented from being retained on the friction block to influence the braking effect, meanwhile, a certain cooling effect can be achieved on the friction block and the brake shoe, and the brake shoe can be more favorably braked on the friction block.

(6) According to the energy-saving multi-motor driving mechanism for the belt conveyor, brake shoe fragments generated in the braking process enter the installation pipe under the action of high-pressure gas, the gas flows out of the installation pipe through the filter screen, the fragments are filtered in the installation pipe, and meanwhile, the filter screen is arranged to prevent external dust from entering the transition box, so that the braking effect of a brake assembly is influenced.

Drawings

For ease of illustration, the invention is described in detail by the following specific examples and figures.

Fig. 1 is a schematic overall structure diagram of the energy-saving belt conveyor of the invention;

FIG. 2 is a schematic structural diagram of a multi-motor driving mechanism of the energy-saving belt conveyor of the invention;

FIG. 3 is a schematic sectional top view of a transition box in the multi-motor driving mechanism of the energy-saving belt conveyor of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is an enlarged view of portion B of FIG. 3;

FIG. 6 is a schematic structural diagram of a cross-sectional side view of a transition box in the multi-motor driving mechanism of the energy-saving belt conveyor of the present invention;

FIG. 7 is an enlarged view of portion C of FIG. 6;

FIG. 8 is a schematic structural diagram of a sliding block in the multi-motor driving mechanism of the energy-saving belt conveyor of the invention;

fig. 9 is a schematic front view structure diagram of a transition box in the energy-saving multi-motor driving mechanism of the belt conveyor of the invention.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "fixed," "mounted," "connected," or "disposed" to another element, it can be directly on the other element or be indirectly on the other element. It will be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, are used merely to facilitate description of the present invention and to simplify description, and do not indicate or imply that the referenced devices or elements must have the particular orientations, configurations and operations described in the specification, and therefore are not to be considered limiting.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to a number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

The invention will be further described in detail with reference to the following examples, which are given in the accompanying drawings:

referring to fig. 1-9, an energy-saving multi-motor driving mechanism for a belt conveyor comprises a driving roller 1, a first motor 2, a gear box 3 and a transition box 4, wherein the first motor 2 is connected with the gear box 3, the gear box 3 is used for changing the torque of the first motor 2, the gear box 3 is connected with the transition box 4, and a moving assembly is arranged in the transition box 4;

by starting the first motor 2, the output shaft of the gear box 3 can rotate, and the driving roller can rotate through the transmission of the transition box 4, so that the driving belt runs.

An output shaft is arranged on the gear box 3, the output shaft extends into the transition box 4 and is rotatably connected with the transition box 4, a first bevel gear 5 is arranged in the transition box 4, the first bevel gear 5 is fixedly connected with the output shaft, a partition plate 6 is fixedly arranged in the transition box 4, the partition plate 6 divides the interior of the transition box 4 into two independent parts, a rotating rod 7 is rotatably arranged on one side of the transition box 4, and the rotating rod 7 penetrates through the partition plate 6 and is rotatably connected with the partition plate 6;

the moving assembly comprises a third bevel gear 9, the third bevel gear 9 is arranged in the transition box 4, the third bevel gear 9 is matched with the first bevel gear 5 and the second bevel gear 8, a rotating block 10 is fixedly mounted on the third bevel gear 9, a moving plate 11 is arranged on one side, far away from the third bevel gear 9, of the rotating block 10, the moving plate 11 is rotatably connected with the rotating block 10, a first lead screw 12 is fixedly mounted on one side, far away from the rotating block 10, of the moving plate 11, a first threaded sleeve 13 is mounted on the first lead screw 12 in a threaded manner, one side, far away from the moving plate 11, of the first threaded sleeve 13 extends to the outside of the transition box 4 and is rotatably connected with the transition box 4, a second motor 14 is fixedly mounted on one side of the transition box 4, and the second motor 14 is connected with the first threaded sleeve 13, the second motor 14 is used for driving the first threaded sleeve 13 to rotate, and the moving assembly is used for connecting the first bevel gear 5 and the second bevel gear 8.

After the transition box 4 is divided into two parts by the partition plate 6, the first bevel gear 5, the second bevel gear 8 and the moving assembly are positioned in a part of independent space, the first threaded sleeve 13 is rotated by starting the second motor 14, the first threaded sleeve 13 is rotated to move the first lead screw 12, the first lead screw 12 is moved to drive the moving plate 11 to move, the moving plate 11 is moved to drive the third bevel gear 9 to move through the rotating block 10, after the third bevel gear 9 is moved to a specified position, the third bevel gear 9 is meshed with both the first bevel gear 5 and the second bevel gear 8, at this time, if the first bevel gear 5 rotates, the first bevel gear 5 can drive the second bevel gear 8 to rotate through the third bevel gear 9, the second bevel gear 8 can drive the second bevel gear 7 to rotate, and the third bevel gear 9 plays a role in connection transmission for the first bevel gear 5 and the second bevel gear 8, if single motor drive is carried out in belt feeder idle running, third bevel gear 9 does not contact with first bevel gear 5 and second bevel gear 8, make first bevel gear 5 and second bevel gear 8 be in the off-state, driving roller 1 at this moment all is in the rotation state, driving roller 1 rotates and drives dwang 7 and rotate, dwang 7 rotates and drives second bevel gear 8 and rotate, because third bevel gear 9 does not contact with second bevel gear 8, make first bevel gear 5 can keep motionless, thereby avoided the motor gyration of not operation to produce the electric current, the component of harm converter, and simultaneously, also can avoid the motor rotation of not operation, cause single motor to drive a plurality of driving roller 1 and a plurality of motor rotation, thereby cause the loss of electric energy, be unfavorable for energy-conservation.

In some embodiments of the present invention, two limiting structures are fixedly mounted above an inner wall of one side of the transition box 4, each limiting structure includes a limiting tube 15, the limiting tubes 15 are fixedly mounted on an inner wall of one side of the transition box 4, sliders 16 are slidably mounted in the limiting tubes 15, slide bars 17 are fixedly mounted on tops of the sliders 16, top ends of the slide bars 17 extend above the limiting tubes 15 and are slidably connected with the limiting tubes 15, top ends of the slide bars 17 are fixedly connected with the moving plate 11, and the limiting structures are configured to limit movement of the moving plate 11, so that the moving plate 11 stably moves.

Through setting up limit structure for the removal of movable plate 11 is more stable, avoids movable plate 11 to take place to rotate when removing, and at the in-process that movable plate 11 removed, movable plate 11 drives slider 16 through slide bar 17 and removes, and slider 16 can avoid slide bar 17 to shift out spacing pipe 15.

In some embodiments of the present invention, three sides of the transition box 4 and the partition plate 6 are respectively provided with a first bearing hole, a plurality of first bearing holes are respectively and fixedly installed with a first sealing bearing, the output shaft of the gear box 3, the rotating rod 7 and the first threaded sleeve 13 are fixedly connected with an inner ring of the corresponding first sealing bearing, and the plurality of first sealing bearings are used for supporting and fixing the output shaft of the gear box 3, the rotating rod 7 and the first threaded sleeve 13 and have a sealing function.

Through setting up a plurality of first sealed bearings for transition case 4 sets up can the splendid attire lubricating oil in the partly of conical gear, and lubricating oil can not spill, and lubricating oil is favorable to the transmission between the conical gear.

In some embodiments of the invention, a brake assembly is provided in the transition box 4 for braking the turning rod 7.

Brake subassembly includes clutch blocks 18 and two arcs 19, the fixed cover of piece 18 is established on dwang 7, two arc 19 all rotates to be installed on the bottom inner wall of transition case 4, two equal fixed mounting has brake shoe 20, two on the inner arc of arc 19 the brake shoe 20 all with clutch blocks 18 looks adaptation.

By rotating the two arc plates 19, the two brake shoes 20 can be contacted with or separated from the friction block 18, thereby braking the friction block 18.

In some embodiments of the present invention, a driving structure is disposed in the transition box 4, the driving structure is configured to drive the two arc plates 19 to rotate, the driving structure includes a second lead screw 21, the second lead screw 21 is rotatably installed in the transition box 4, one end of the second lead screw 21 extends out of the transition box 4, a third motor 22 is fixedly installed at one side of the transition box 4, the third motor 22 is fixedly connected to the second lead screw 21, two sections of threads with opposite rotation directions are formed on the second lead screw 21, two second threaded sleeves 23 are threadedly installed on the second lead screw 21, the two second threaded sleeves 23 are respectively located on the two sections of threads with opposite rotation directions, moving rods 24 are fixedly installed at bottoms of the two second threaded sleeves 23, and sliding blocks 25 are fixedly installed on the two moving rods 24, two equal fixed mounting has fixed block 26, two on the arc 19 the T-slot 27 has all been seted up to one side that fixed block 26 kept away from each other, the sliding block 25 with T-slot 27 sliding connection, the equal fixed mounting in both sides of sliding block 25 has the round bar, two the round bar all with T-slot 27 sliding connection.

Through starting the third motor 22, make the second lead screw 21 rotate, the second lead screw 21 rotates and drives two second threaded sleeves 23 and keep away from each other or be close to, and second threaded sleeve 23 removes and drives the carriage release lever 24 and remove, and the carriage release lever 24 removes and drives the shifting block 25 and remove, and the shifting block 25 removes and drives the fixed block 26 through the round bar and remove, and the fixed block 26 removes and drives the arc 19 and deflect to brake lining 20 can contact with friction block 18 or separate.

In some embodiments of the present invention, the top of each of the two second threaded sleeves 23 is fixedly provided with a moving block 29, the inner wall of the top of the transition box 4 is provided with a sliding groove 28, and both of the two moving blocks 29 are slidably connected with the sliding groove 28.

By moving the second threaded sleeve 23, the moving block 29 can be moved, and the moving block 29 is limited by the sliding groove 28, so that the moving block 29 can only move in the sliding groove 28, the moving track of the second threaded sleeve 23 is fixed, the limit of the second threaded sleeve 23 is achieved, and the second threaded sleeve 23 cannot rotate when moving.

In some embodiments of the present invention, an air blowing assembly is disposed inside the transition box 4, the air blowing assembly includes an annular tube 30, the annular tube 30 is fixedly mounted inside the transition box 4, a plurality of air nozzles 31 are fixedly mounted on the annular tube 30, the plurality of air nozzles 31 are distributed in an annular array, the plurality of air nozzles 31 are all communicated with the annular tube 30, an air inlet pipe 32 is fixedly mounted on the annular tube 30, the air inlet pipe 32 is communicated with the annular tube 30, one end of the air inlet pipe 32 extends out of the transition box 4, and the air blowing assembly is configured to blow away chips falling off the brake shoes 20 and temperatures applied to the brake shoes 20 and the friction blocks 18.

Connect high-pressure gas with intake pipe 32 earlier, through carrying high-pressure gas in to intake pipe 32, make high-pressure gas enter into annular pipe 30, high-pressure gas rethread a plurality of air cocks 31 blow off, the brake block piece that produces when braking rotating rod 7 with the brake subassembly blows away, avoid the piece to be detained on clutch blocks 18, influence the effect of brake, and simultaneously, can play certain cooling effect to clutch blocks 18 and brake block 20, more be favorable to the braking of brake block 20 to clutch blocks 18.

In some embodiments of the present invention, a collecting assembly is disposed on one side of the transition box 4, the collecting assembly includes a mounting pipe 33, the mounting pipe 33 penetrates through one side of the transition box 4 and is in threaded connection with the transition box 4, a filter screen 34 is fixedly mounted at one end of the mounting pipe 33, and the collecting assembly is used for collecting debris in the transition box 4.

Brake lining piece that produces in braking process enters into installation pipe 33 under high-pressure gas's effect in, and outside gas flows installation pipe 33 through filter screen 34, and the piece is filtered in installation pipe 33, and filter screen 34's setting also can avoid external dust to enter into transition case 4 simultaneously to influence brake assembly's braking effect.

In some embodiments of the present invention, an observation window 35 is disposed on one side of the transition box 4, and a transparent glass is installed in the observation window 35, and the transparent glass is provided with a plurality of scale marks.

Through setting up observation window 35, the staff of being convenient for in time observes the volume of the lubricating oil in transition case 4, more is favorable to the maintenance of part.

The working principle of the invention is as follows: according to the energy-saving multi-motor driving mechanism for the belt conveyor, when the belt conveyor needs to be started by multiple motors, the second motor 14 is started firstly, the first threaded sleeve 13 is rotated to move the first screw rod 12, the first screw rod 12 is moved to drive the moving plate 11 to move, the moving plate 11 moves to drive the third bevel gear 9 to move through the rotating block 10, and after the third bevel gear 9 moves to a specified position, the third bevel gear 9 is meshed with the first bevel gear 5 and the second bevel gear 8;

then, the third motor 22 is started to enable the second screw rod 21 to rotate, the second screw rod 21 rotates to drive the two second threaded sleeves 23 to be away from each other, the second threaded sleeves 23 move to drive the moving rod 24 to move, the moving rod 24 moves to drive the sliding block 25 to move, the sliding block 25 moves to drive the fixed block 26 to move through the round rod, and the fixed block 26 moves to drive the arc-shaped plate 19 to deflect, so that the brake shoe 20 can be separated from the friction block 18;

at the moment, the first motor 2 is started again, so that the output shaft of the gear box 3 can rotate, and the driving roller can rotate through the transmission of the transition box 4, so that the belt is driven to run;

when the belt conveyor without load needs to be overhauled, the belt conveyor can be started by a single motor at the moment, the corresponding second motor 14 is started reversely, the third bevel gear 9 is not meshed with the first bevel gear 5 and the second bevel gear 8, then, only one first motor 2 is started to drive the belt conveyor to rotate, when the belt conveyor needs to be stopped, the belt conveyor needs to be braked timely, and when the belt conveyor is braked, the third motor 22 is started reversely, the two brake shoes 20 are in contact with the friction block 18, so that the belt conveyor can be stopped quickly;

when the brake shoe 20 brakes the friction block 18, high-pressure gas is conveyed into the air inlet pipe 32 and enters the annular pipe 30, and then is blown out through the plurality of air nozzles 31, brake shoe debris generated when the brake assembly brakes the rotating rod 7 is blown away, the debris is prevented from being retained on the friction block 18 and affecting the braking effect, meanwhile, a certain cooling effect can be achieved on the friction block 18 and the brake shoe 20, and the brake shoe 20 can brake the friction block 18 more conveniently;

brake lining piece that produces in the braking process enters into installation pipe 33 under high-pressure gas's effect in, and outside gas flowed installation pipe 33 through filter screen 34, and the piece was filtered in installation pipe 33, and installation pipe 33 played the effect of collecting to the piece, and outside dust entering transition case 4 also can be avoided in the setting of filter screen 34 simultaneously to influence brake assembly's braking effect.

In conclusion, the energy-saving multi-motor driving mechanism for the belt conveyor can realize multi-motor driving and single-motor driving by arranging the moving assembly, so that the belt conveyor can operate more adaptively to the working environment on site, the electric energy loss is reduced, the energy is saved, and the braking assembly is arranged, so that the belt conveyor can brake simultaneously by the plurality of braking assemblies no matter the belt conveyor is driven by the motors, and the belt conveyor can stop in time.

While there have been shown and described what are at present considered the fundamental principles of the invention, the essential features and advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.