CN205616109U - Cargo airplane and for cargo airplane band pulley conveying mechanism - Google Patents

Abstract

The utility model discloses a band pulley conveying mechanism for the cargo airplane, including the frame with rotate to connect in the frame from driving wheel, action wheel, driven round of one side that lies in the action wheel along rubber belt transport direction, be provided with the extensible member in the frame, be provided with the driven inclined plane that takes turns to the pivot of butt on the extensible member, one side that the inclined plane is close to the action wheel is higher than the opposite side, the extensible member takes turns to the pivot and slides to keeping away from the action wheel orientation in the frame through telescopic action drive is driven, and its technical scheme main points are provided with the extensible member in the frame, make the extensible member stretch out and draw back in the frame, then, being provided with the inclined plane on the extensible member, one side that the inclined plane is close to the action wheel is higher than the one side that is close to from the driving wheel, has reached for the cargo airplane band pulley conveying mechanism automatically regulated action wheel and has followed distance between the driving wheel.

Description

Transporter and transporter belt wheel conveying mechanism

Technical field

This utility model relates to a kind of conveying equipment, more specifically, it relates to a kind of transporter belt wheel conveying mechanism.

Background technology

Belt wheel conveying mechanism is to utilize tensioning flexible-belt between both pulleys to carry out moving or a kind of machine driving of power transmission；The most frequently used flexible-belt of belt wheel conveying mechanism is balata belt, belt wheel conveying mechanism has simple in construction, stable drive, buffering absorbing, can transmit power in big distance between axles and many between centers, and it is cheap, be not required to lubrication, safeguard the feature such as easily, applies quite varied in Modern Mechanical transmission.

Belt wheel conveying mechanism is drivewheel and driven pulley to be separately positioned in frame, drivewheel, driven pulley is rotatably connected to rotating shaft respectively, the two ends of rotating shaft are respectively fixed on the machine frame, balata belt between two belt wheels is in use, balata belt is pullled by two belt wheels and load-bearing during balata belt transport due to long-term, balata belt can produce plastic deformation and elongated gradually, balata belt relaxes between both pulleys, balata belt is made to skid between both pulleys, in order to make balata belt tensioning between both pulleys, the Chinese patent of existing Publication No. CN203064669U, disclose the tensioning mode of balata belt between a kind of two belt wheels；But, owing to balata belt is that rubber is made, when transporting article on belt wheel conveying mechanism, action of gravity due to article, make balata belt can produce some elastic deformations, meanwhile, balata belt between both pulleys can tensioning clearly, even make balata belt be tensioned to its elastic deformation to greatest extent, cause balata belt to crack or rupture；After belt wheel conveying mechanism life-time service, long-term the pullling between two belt wheels of balata belt, balata belt can produce some plastic deformations, make the length of balata belt, and distance between two belt wheels is constant, balata belt relaxes on two belt wheels, and the rotation of drivewheel effectively can not be passed to driven pulley by balata belt, belt wheel conveying mechanism transmission efficiency is made to reduce, it is therefore desirable to often to adjust the distance between driven pulley and drivewheel.

Utility model content

The deficiency existed for prior art, main purpose of the present utility model is to provide a kind of transporter belt wheel conveying mechanism automatically making belt be constantly in appropriateness tensioning state.

For achieving the above object, this utility model provides following technical scheme:

A kind of transporter belt wheel conveying mechanism, the belt of the driven pulley, drivewheel, connection driven pulley and the drivewheel that including frame, are rotatably connected in frame, described driven pulley is positioned at the drivewheel side along balata belt transporting direction, it is provided with extensible member in described frame, it is provided with on described extensible member and abuts the inclined plane of rotating shaft on driven pulley, described inclined plane is near the side of drivewheel higher than opposite side, and described extensible member drives the rotating shaft of driven pulley to slide to away from drivewheel direction in frame by telescopic action.

By using technique scheme, for the distance enabling transporter belt wheel conveying mechanism to be automatically adjusted between drivewheel and driven pulley, frame is provided with extensible member, make extensible member can stretch in frame, then, extensible member is provided with inclined plane, inclined plane is higher than the side near driven pulley near the side of drivewheel, extensible member is abutted with the rotating shaft of driven pulley by inclined plane, simultaneously, the rotating shaft of driven pulley in frame can to away from or near drivewheel direction slide, when balata belt between drivewheel and driven pulley excessively relaxes, extensible member passes through telescopic action, turning of inclined plane conflict driven pulley is made to slide axially away from drivewheel direction, distance between drivewheel and driven pulley increases, the balata belt between drivewheel and driven pulley is made to obtain appropriateness tensioning；During the excessive tensioning of balata belt between drivewheel and driven pulley, the balata belt active force to having tension between drivewheel and driven pulley, owing to drivewheel cannot move in frame, so driven pulley slides near the direction of drivewheel in frame, owing to the rotating shaft of driven pulley is connected in inclined plane, so the rotating shaft of driven pulley makes extensible member have the trend moved down, owing to extensible member has retractility, extensible member moves down, simultaneously, driven pulley slides to drivewheel direction, distance between drivewheel and driven pulley diminishes, balata belt is made to obtain the lax of appropriateness, summary, achieve transporter belt wheel conveying mechanism and be automatically adjusted the spacing of drivewheel and driven pulley.

Preferably, described frame being provided with groove, described extensible member is connected with the sliding of groove medial wall.

By using technique scheme, in order to realize extensible member stretching in frame, frame offers groove, extensible member is positioned in groove, extensible member is connected with the sliding of groove medial wall, and extensible member can in groove upwards or slide downward, it is achieved that flexible in frame of extensible member.

Preferably, described extensible member includes compression elastic piece and has the first expansion link of described inclined plane, and described compression elastic piece is between the first expansion link and the inwall of groove and makes the first expansion link have the trend of movement outside groove.

nullBy using technique scheme，In order to make extensible member can stretch in groove，What extensible member was concrete includes compression elastic piece and the first expansion link，First expansion link has above-mentioned inclined plane，First expansion link is offseted with driven pulley rotating shaft by inclined plane，Compression elastic piece is positioned at groove，And compression elastic piece is between the first expansion link and groove inner wall，Compression elastic piece has the first expansion link to the trend of groove external drive，When the first expansion link presses in groove，Pressing power overcomes the elastic force of compression elastic piece，Compression elastic piece is compressed，First regulating rod slides in groove，When turning the direction sliding axially away from drivewheel of driven pulley，The rotating shaft of driven pulley departs from the conflict of inclined plane，Now，Compression elastic piece recovers elastic deformation，First expansion link is promoted by compression elastic piece to groove outside，The inclined plane on the first expansion link is made to keep the rotating shaft with driven pulley to conflict，Thus effectively achieve the first expansion link stretching in groove，The rotating shaft of the inclined plane conflict driven pulley on the first expansion link is slided closer or far from drivewheel direction in frame.

Preferably, described groove medial wall is rotatably connected to ball, and described groove medial wall is offseted by ball and the first expansion link.

By using technique scheme, when sliding on groove medial wall due to the first expansion link, first expansion link produces sliding friction with groove medial wall, if the produced frictional force of its friction is excessive, the first expansion link will be caused can not to stretch smoothly in groove, in order to reduce the friction between the first expansion link and groove medial wall, groove medial wall is provided with ball, groove medial wall is made to be offseted by ball and the first expansion link, make to be connected by sliding between the first expansion link with groove medial wall, become rolling and connect, the frictional force between the first expansion link and groove medial wall is made to reduce greatly, prevent the frictional force between the first expansion link and groove medial wall excessive, first expansion link card pauses the situation in early groove.

Preferably, described extensible member includes second expansion link with described inclined plane, forms the cavity of sealing between described second expansion link and the inwall of groove.

By using technique scheme, in order to make extensible member can stretch in groove, what extensible member was concrete includes the second expansion link, second expansion link has above-mentioned inclined plane, second expansion link forms the cavity of sealing between diapire and the groove inner wall in groove, when the second expansion link slides to inside grooves, the atmospheric pressure in the cavity of sealing is more than ambient atmosphere pressure, and the atmospheric pressure in the cavity of sealing can produce promotion the second expansion link to the motive force outside groove；When the rotating shaft of driven pulley is slided to drivewheel direction in frame, simultaneously, the rotating shaft conflict inclined plane of driven pulley, make the second expansion link to inside grooves sliding, realize the process that the second expansion link slides in groove to inside grooves, when the balata belt on transporter belt wheel conveying mechanism relaxes, owing to sealing the effect of the atmospheric pressure in cavity, by the second expansion link to the outside promotion of groove, inclined plane with the second expansion link to groove slide outside, conflict simultaneously driven pulley rotating shaft along frame away from drivewheel direction slide, realize the second expansion link process to groove slide outside in groove, realize the second expansion link stretching in groove, thus inclined plane conflict driven pulley rotating shaft in frame away from or near drivewheel direction slide.

Preferably, it is provided with sealing ring between medial wall and the second expansion link lateral wall of described groove.

By using technique scheme, the sealing effectiveness sealing cavity in order to be formed between diapire and the inwall of groove of the second expansion link is more preferable, it is provided with sealing ring between groove medial wall and the second expansion link lateral wall, sealing ring can be fitted the medial wall of the second expansion link, and groove medial wall of can fitting, when preventing the second expansion link from sliding in groove, gap is formed between lateral wall and the groove medial wall of the second expansion link, cavity is made to leak gas, atmospheric pressure in cavity is identical with ambient atmosphere pressure, thus do not have sealing effectiveness, the second expansion link is made to drop on the diapire of groove, thus the second expansion link can not stretch in groove.

Preferably, the medial wall of described sealing ring and lateral wall are equipped with reservoir, are filled with lubricating fluid in described reservoir.

By using technique scheme, due to the second expansion link, groove medial wall all fits tightly with sealing ring, during so the second expansion link slides on groove medial wall, frictional force can be produced between second expansion link and sealing ring, also can produce frictional force between groove medial wall and sealing ring simultaneously, in order to make the second expansion link can slide smoothly in groove, medial wall at sealing ring, lateral wall is provided with reservoir, lubricating fluid it is filled with in reservoir, lubrication due to lubricating fluid, between second expansion link and groove medial wall, frictional force reduces, the second expansion link is enable to slide smoothly with groove medial wall；Meanwhile, lubricating fluid can be sufficient filling with the gap between sealing ring and the second expansion link, moreover it is possible to is sufficient filling with the gap between sealing ring and groove medial wall, makes sealing effectiveness more preferably, prevents cavity from producing the situation of gas leakage.

Preferably, described frame being provided with sliding guide rail along balata belt transporting direction, the rotating shaft of described driven pulley is provided with in sliding guide rail the sliding base slided, the rotating shaft of described driven pulley is offseted with inclined plane by sliding base.

By using technique scheme, when the rotating shaft of driven pulley is slided in frame, in order to make the rotating shaft of the driven pulley two ends in frame glance off, frame is provided with sliding guide rail, by sliding guide rail, the two ends of the rotating shaft of driven pulley are guided, the rotating shaft of driven pulley is provided with sliding base, make sliding base along sliding slide, the rotating shaft two ends making driven pulley can not depart from frame, thus it is effectively prevented the situation of the rotating shaft two ends deflection of driven pulley, make belt produce deflection, thus impact normally works.

Preferably, described sliding guide rail is provided with restriction sliding base limited block of sliding distance in sliding guide rail.

By using technique scheme, in order to prevent the rotating shaft of driven pulley from departing from the abutting of inclined plane, sliding guide rail is provided with limited block, sliding base sliding distance on sliding guide rail is limited by limited block, namely limit the distance that the rotating shaft of driven pulley is slided in frame, make the rotating shaft of driven pulley in sliding process, it is always maintained at abutting with inclined plane, thus effectively prevent the rotating shaft of driven pulley from departing from the abutting of inclined plane, make transporter belt wheel conveying mechanism can not automatically make belt be constantly in appropriateness tensioning state.

Secondary objective of the present utility model is to provide the transporter of a kind of distance being automatically adjusted between drivewheel and driven pulley.

A kind of transporter, including transporter belt wheel conveying mechanism as above.

By using technique scheme, transporter uses above-mentioned transporter belt wheel conveying mechanism, it is possible to the distance being automatically adjusted between drivewheel and driven pulley.

In sum, this utility model has the advantages that

1, transporter belt wheel conveying mechanism can be automatically adjusted the spacing of drivewheel and driven pulley.；

2 thus effectively prevent the deflection at the two ends of rotating shaft on driven pulley；

3, the rotating shaft that can effectively prevent driven pulley departs from the abutting of inclined plane.

Accompanying drawing explanation

Fig. 1 is embodiment one structural representation；

Fig. 2 is part A enlarged drawing in Fig. 1；

Fig. 3 is embodiment one along rotating shaft radially partial sectional view, for representing the relation abutted between post and inclined plane；

Fig. 4 be embodiment one along rotating shaft axial partial sectional view, for being the T-shaped piece of position in sliding guide rail；

Fig. 5 is that embodiment two is along rotating shaft radially partial sectional view；

Fig. 6 is part B enlarged drawing in Fig. 5.

In figure: 1, frame；11, sliding guide rail；111, limited block；12, groove；121, compression elastic piece；122, the first expansion link；123, the second expansion link；124, cavity；13, inclined plane；2, driven pulley；21, rotating shaft；22, sliding base；221, T-shaped piece；222, post is abutted；3, ball；4, sealing ring；41, reservoir；5, drivewheel；6, balata belt；7, electromotor.

Detailed description of the invention

Below in conjunction with the accompanying drawings and embodiment, this utility model is described in detail.

Embodiment one:

A kind of transporter, with reference to Fig. 1, it includes frame 1 and the drivewheel 5 being arranged in frame 1 and driven pulley 2, and drivewheel 5 is positioned on the left of driven pulley 2, drivewheel 5 is rotatably connected in frame 1 by rotating shaft 21, and in frame 1, side is provided with the electromotor 7 driving drivewheel 5 to rotate；Driven pulley 2 is rotatably connected in frame 1 by rotating shaft 21, and drivewheel 5 is connected by balata belt 6 with driven pulley 2, makes the balata belt 6 that rotates through of drivewheel 5 pass to driven pulley 2, makes driven pulley 2 rotate with drivewheel 5 simultaneously.

nullWith reference to Fig. 1、Fig. 3 and Fig. 4，The T-shaped sliding guide rail 11 of left and right directions is processed at frame 1 upper surface，At the driven pulley 2 that sliding guide rail 11 is positioned in frame 1，Sliding base 22 is slidably connected on sliding guide rail 11，Sliding base 22 lower end is provided with T-shaped piece 221 coordinated with sliding guide rail 11，Sliding base 22 upper end is machined with cylindrical hole，The diameter of cylindrical hole is identical with rotating shaft 21 diameter on driven pulley 2，The rotating shaft 21 being socketed with in cylindrical hole on driven pulley 2，Frame 1 upper surface is machined with the groove 12 of cylinder，Groove 12 is positioned on the left of sliding guide rail 11，Compression elastic piece 121 it is placed with in groove 12，Compression elastic piece 121 concrete for compression spring，Compression spring is placed with the first expansion link 122，First expansion link 122 is cylinder，Groove 12 medial wall processes some hemispherical aperture，Ball 3 all it is placed with in hemispherical aperture，Ball 3 offsets with the first expansion link 122 lateral wall.

With reference to Fig. 2 and Fig. 3, processing inclined plane 13 above the first expansion link 122, inclined plane 13 is towards right, and sliding base 22 is welded with the abutting post 222 offseted with inclined plane 13, and one end that abutting post 222 contacts with inclined plane 13 is processed into hemispherical；Sliding guide rail 11 is welded with two limited blocks 111, limited block 111 can be quadrangular shape or cylindric, the present embodiment selects quadrangular shape, makes the both sides that limited block 111 lays respectively at T-shaped piece 221, the distance slided on sliding guide rail 11 for restricted T type block 221.

nullWork process: with reference to Fig. 1、Fig. 3 and Fig. 4，When carrying weight on balata belt 6，Balata belt 6 can be bent downwardly，Make to strain between drivewheel 5 and driven pulley 2，Driven pulley 2 has the trend moved to drivewheel 5 direction，Sliding base 22 is slided in sliding rail by T-shaped piece 221，Driven pulley 2 slides to the left with sliding base 22，Abut post 222 to be moved to the left with sliding base 22，All the time offset with inclined plane 13 owing to abutting post 222，So first expansion link 122 being pressed down on by inclined plane 13，First expansion link 122 passes through ball 3 along groove 12 medial wall slide downward，Simultaneously，First expansion link 122 presses down on compression spring，Driven pulley 2 continues to move to drivewheel 5 direction，When compression spring is equal to, to the resilience force of the first expansion link 122, the power that abutting post 222 presses the first expansion link 122，Sliding base 22 stops sliding to the left，It is lax that balata belt 6 obtains appropriateness.

With reference to Fig. 1, Fig. 3 and Fig. 4, when after balata belt 6 life-time service, produce plastic deformation, balata belt 6 is elongated, balata belt 6 is made to relax on drivewheel 5 with driven pulley 2, owing to driven pulley 2 is diminished by the tightening force of balata belt 6 left direction, tightening force is less than the compression spring elastic force to the first expansion link 122, compression spring produces elastic return, upwardly the first expansion link 122, inclined plane 13 is made to move up with the first expansion link 122, inclined plane 13 is conflicted during moving up and is abutted post 222, sliding base 22 is made to slide to the right in sliding guide rail 11, when compression spring is equal to, to the resilience force of the first expansion link 122, the power that abutting post 222 presses the first expansion link 122, sliding base 22 stops sliding to the right, balata belt 6 obtains appropriateness tensioning.

With reference to Fig. 1 and Fig. 3, when balata belt 6 over-tension between drivewheel 5 and driven pulley 2, sliding base 22 is moved to the left, abut post 222 to slide to the left in inclined plane 13, when abutting post 222 and will depart from inclined plane 13, conflict for T-shaped piece 221 and arrive the limited block 111 of sliding base 22 left end, effectively prevent driven pulley 2 excessively near drivewheel 5；When balata belt 6 plastic deformation is excessive, sliding base 22 moves right, when abutting post 222 and will depart from inclined plane 13, and the limited block 111 of T-shaped piece 221 sliding base 22 right-hand member of conflicting, effectively prevent driven pulley 2 excessively away from drivewheel 5.

Embodiment two:

A kind of transporter, the difference with embodiment one is as follows:

With reference to Fig. 5 and Fig. 6, the extensible member that difference with embodiment one is in the present embodiment is the second expansion link 123, second expansion link 123 has the structure identical with the first expansion link 122, on second expansion link 123, also there is inclined plane 13, second expansion link 123 is positioned at groove 12, second expansion link 123 is connected with groove 12 medial wall by sealing ring 4, the radial section of sealing ring 4 is rectangle, sealing ring 4 and the sidewall of the second expansion link 123 laminating, reservoir 41 is all processed with the sidewall of groove 12 medial wall laminating, the radial section of sealing ring 4 is finally dies, lubricating fluid (not shown) all it is filled with in reservoir 41；The cavity 124 of sealing is formed between second expansion link 123 and groove 12 inwall.

Work process: with reference to Fig. 5 and Fig. 6, when sliding base 22 sliding to the left, abut post 222 to conflict inclined plane 13 sliding to the left, second expansion link 123 moves down, cavity 124 between second expansion link 123 and groove 12 inwall is gradually reduced, seal the atmospheric pressure in cavity 124 more than ambient atmosphere pressure, make the atmospheric pressure in sealing cavity 124 that second expansion link 123 is had pressure upwardly, when above-mentioned pressure equal to balata belt 6 to the tensile force of driven pulley 2 time, sliding base 22 stops sliding to the left；When balata belt 6 is lax on drivewheel 5 with driven pulley 2, the balata belt 6 tensile force to driven pulley 2, the pressure second expansion link 123 produced less than the atmospheric pressure sealed in cavity 124, second expansion link 123 upwards sliding, abutting post 222 is driven to move right by inclined plane 13, driven pulley 2 is made to move right, balata belt 6 is made to obtain appropriateness tensioning, when the atmospheric pressure pressure to the second expansion link 123 sealing cavity 124, during equal to balata belt 6 to the tensile force of driven pulley 2, driven pulley 2 stops moving right, and completes the appropriate tensioning of balata belt 6.

The above is only preferred implementation of the present utility model, and protection domain of the present utility model is not limited merely to above-described embodiment, and all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model.It should be pointed out that, for those skilled in the art, without departing from the some improvements and modifications under this utility model principle premise, these improvements and modifications also should be regarded as protection domain of the present utility model.

Claims (10)

1. a transporter belt wheel conveying mechanism, including frame (1), the driven pulley (2) being rotatably connected in frame (1), drivewheel (5), connect the belt (6) of driven pulley (2) and drivewheel (5), described driven pulley (2) is positioned at the drivewheel (5) side along balata belt (6) transporting direction, it is characterized in that: described frame is provided with extensible member on (1), the inclined plane (13) abutting the upper rotating shaft (21) of driven pulley (2) it is provided with on described extensible member, described inclined plane (13) is higher than opposite side near the side of drivewheel (5), described extensible member drives the rotating shaft (21) of driven pulley (2) to slide to away from drivewheel (5) direction in frame (1) by telescopic action.

Transporter belt wheel conveying mechanism the most according to claim 1, is characterized in that: be provided with groove (12) in described frame (1), and described extensible member is connected with groove (12) medial wall sliding.

Transporter belt wheel conveying mechanism the most according to claim 2, it is characterized in that: described extensible member includes compression elastic piece (121) and has first expansion link (122) of described inclined plane (13), described compression elastic piece (121) is positioned between the inwall of the first expansion link (122) and groove (12) and makes the first expansion link (122) have the trend moved outward to groove (12).

Transporter belt wheel conveying mechanism the most according to claim 3, it is characterized in that: described groove (12) medial wall is rotatably connected to ball (3), described groove (12) medial wall is offseted with the first expansion link (122) by ball (3).

Transporter belt wheel conveying mechanism the most according to claim 2, it is characterized in that: described extensible member includes second expansion link (123) with described inclined plane (13), forms the cavity (124) of sealing between described second expansion link (123) and the inwall of groove (12).

Transporter belt wheel conveying mechanism the most according to claim 5, is characterized in that: be provided with sealing ring (4) between medial wall and the second expansion link (123) lateral wall of described groove (12).

Transporter belt wheel conveying mechanism the most according to claim 6, is characterized in that: the medial wall of described sealing ring (4) and lateral wall are equipped with reservoir (41), and described reservoir is filled with lubricating fluid in (41).

Transporter belt wheel conveying mechanism the most according to claim 1, it is characterized in that: in described frame (1), balata belt (6) transporting direction is provided with sliding guide rail (11), being provided with in sliding guide rail (11) sliding base (22) slided in the rotating shaft (21) of described driven pulley (2), the rotating shaft (21) of described driven pulley (2) is offseted with inclined plane (13) by sliding base (22).

Transporter belt wheel conveying mechanism the most according to claim 8, is characterized in that: be provided with restriction sliding base (22) limited block (111) of sliding distance in sliding guide rail (11) on described sliding guide rail (11).

10. a transporter, is characterized in that: include as described in claim 1-9 arbitrary as described in transporter belt wheel conveying mechanism.