CN1751977A

CN1751977A - Bucket type lifter

Info

Publication number: CN1751977A
Application number: CN 200510030954
Authority: CN
Inventors: 俞信国; 乐其呈
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-11-02
Filing date: 2005-11-02
Publication date: 2006-03-29
Anticipated expiration: 2025-11-02
Also published as: CN100425515C

Abstract

A bucket conveyer is composed of a machine head unit with head wheel, conveying up pipe, bucket belt, motor and the base with drive wheel, tension unit for said bucket belt, machine frame and self-cleaning bottom plate having a vibration source.

Description

Bucket elevator

Technical field

The present invention relates to a kind of bucket type and promote load transfer device, relate in particular to a kind of bucket elevator that is applicable to particle, particle or the powder of industries such as grain, feed, food, medicine, chemical industry.

Technical background

In the prior art, the problem of bucket elevator frame bottom plate ramming material can not get properly settling all the time.Longer at the winnowing pan band, the difference of material load capacity, the length of winnowing pan band situation such as change is easily run into frame bottom plate for avoiding winnowing pan, often needs to keep between frame bottom plate and winnowing pan a safety gap, gapped will ramming material.For improving this phenomenon, also there is the people that support rotor wheel and frame bottom plate are fixed as small distance, the tensioning of winnowing pan band adds a cover purpose made spring installation by head and solves, though these improvement can reduce the ramming material of frame bottom plate, but can not thoroughly remove the phenomenon of frame bottom plate ramming material, also must manually clear up frame bottom plate.In addition, owing to have defective in its stability of spring installation of head setting, thereby cause this structure not to be suitable for large-scale hoister and highly higher gig.

Summary of the invention

The purpose of this invention is to provide and a kind ofly can remove the frame bottom plate residue automatically, avoid bucket elevator at the frame bottom plate ramming material.

The present invention includes head, elevator pipe, be fixed with winnowing pan band, motor and the support of winnowing pan, head is equipped with great wheel and is provided with discharging opening, and support is provided with power wheel, winnowing pan band tightening device and inlet point.Support also comprises frame and certainly clear base plate, employing is sealable between frame and the certainly clear base plate is flexible coupling, from clear base plate gantry motion relatively, described being provided with from clear base plate can make certainly the soruce of vibration of back plate vibration clearly, be provided with the prominent body of fish scale sheet from clear plate inner surface, be shaped as circular-arc from the bottom section of clear base plate.

Described from clear base plate the outside and under-chassis between be provided with vibration isolator, described vibration isolator can be any in spring, Rubber Parts, the foamed plastic damping element.Soruce of vibration can adopt eccentric vibrating motor or modes such as crank gear or employing electric and magnetic oscillation.Soruce of vibration can also drive an eccentric stiffener by power wheel and realize.

Be provided with the prominent body of fish scale sheet from clear plate inner surface, the prominent body of its middle part flap shape is arranged the width that width should be less than or equal to winnowing pan, and the prominent body arranged askew of the fish scale sheet on base plate both sides is assembled to the base plate middle part in order to material.A circular-arc end height is near the height of power wheel (8) center shaft from clear base plate cross section.Can make soft coating from the inside face of clear base plate handles.

Goal of the invention of the present invention also can realize by another technical scheme.The present invention includes head, elevator pipe, be fixed with winnowing pan band, motor and the support of winnowing pan, head is equipped with great wheel and is provided with discharging opening, and support is provided with power wheel, winnowing pan band tightening device and inlet point.The base plate of support bottom is substituted by a belt conveyor, and described belt conveyor is by motor, and holder rod and pinch roller are formed, and carrying roller is positioned at the below of belt conveyor, and pinch roller is positioned at the both sides, top of belt conveyor.

The belt conveyor surface is provided with the Chevy Trucks, and perhaps the decorative pattern of arranging with the fish scale sheet is assembled to the belt middle part in order to material, and the installation site, cross section of belt conveyor is approximately circular-arc.Installation site, belt conveyor cross section is the circular-arc end height height near the power wheel center shaft.

The present invention is owing to adopted the oscillatory type base plate, the phenomenon that can be used for meeting bucket type and also can be removed ramming material by the bucket type charging automatically.When material is met bucket during feeding manner, except that material directly enters the winnowing pan, frame bottom plate is along with the vibration of vibrator, and material is spilled into the material feeding winnowing pan on the frame bottom plate in the time of also can be with charging under the effect of the prominent body of flap.Therefore, when charging stopped, base plate also can be removed residual material automatically.When material is struggled against charging, material directly enters frame bottom plate, vibration along with vibrator, material is under the effect of the prominent body of flap, towards the motion of circular-arc perk direction, because that material movement direction that frame bottom plate is set and winnowing pan scrape direction is consistent, thereby the dynamic resistance of scraping that can slow down winnowing pan effectively, reduce the friction of winnowing pan and material, reduce the percentage of damage of material.In the place of material movement to the circular-arc perk of base plate, material is done upward movement, then by gravity is done the projectile motion of small distance again, material under throwing just in time drops in the winnowing pan of scraping up, with meet the bucket charging compare, the relative speed difference of its material and winnowing pan is little, thereby has alleviated the impulsive force of material to winnowing pan.Simultaneously, coefficient of admission is bigger by the bucket feeding manner than prior art, and inlet point do not have the malleation wind of winnowing pan fan-out, with the conveying of the material that is beneficial to lightweight.Because the material by the bucket charging can continuously feed winnowing pan, the ramming material problem of frame bottom plate can be solved up hill and dale.The effect of belt conveyor repeats no more here with identical from the effect of clear base plate.

Description of drawings

Fig. 1 is the structural representation of the embodiment of the invention one;

Fig. 2 is the birds-eye view from clear base plate of embodiment one;

Fig. 3 is the A-A cutaway view of Fig. 2;

Fig. 4 is the structural representation of the embodiment of the invention two.

The specific embodiment

The embodiment one that accompanying drawing 1 provides comprises head 1, elevator pipe 2, is fixed with winnowing pan band 4, motor 5 and the support of winnowing pan 3, and head is equipped with great wheel 7 and is provided with discharging opening 17, and support is provided with power wheel 8 and winnowing pan band tightening device and inlet point 15 or/and 16.Wherein inlet point 15 is by the bucket type inlet point, and inlet point 16 is for meeting the bucket type inlet point.Support comprises frame 9 and from clear base plate 10, and frame 9 sealablely is flexible coupling 11 with adopting between clear base plate 10, is flexible coupling as adopting materials such as sheet rubber or canvas to seal, so certainly base plate gantry motion relatively clearly.Describedly can make soruce of vibration 13 from clear back plate vibration from being provided with of clear base plate 10, be shaped as circular-arcly from the bottom section of clear base plate, an end height of this circular arc is similar to the height of power wheel 8 center shafts, is maximum with the coefficient that guarantees winnowing pan.Soruce of vibration adopts eccentric vibrating motor, and the eccentric block angle of regulating vibrating motor can change its amplitude, and also the scalable frequency-variable controller is to change the frequency that rotating speed of motor changes vibration.Be provided with vibration isolator 14 between the outside of clear base plate 10 and under-chassis 6, described vibration isolator is spring or buffering ball.At the prominent body 12 that is provided with the fish scale sheet from clear plate inner surface middle part, the prominent body of its middle part flap shape is arranged the width that width is slightly less than winnowing pan, and the prominent body arranged askew of the fish scale sheet on base plate both sides is assembled to the base plate middle part in order to material.Inside face from clear base plate is that soft plastic-blasting layer is handled.

Another embodiment of the present invention that accompanying drawing 2 provides, it comprises head 1, elevator pipe 2, is fixed with the winnowing pan band 4 of winnowing pan 3, motor 5 and support, head is equipped with great wheel 7 and is provided with discharging opening 17, and support is provided with power wheel 8, winnowing pan band tightening device and inlet point 15 or/and 16.The base plate of support bottom is substituted by a belt conveyor, and described belt conveyor is by motor, and holder rod 18 and pinch roller 19 are formed, and carrying roller 18 is positioned at the below of belt conveyor 20, and pinch roller 19 is positioned at the both sides, top of belt conveyor 20.The installation site, cross section of this load-transfer device preferably is approximately circular-arc.Installation site, belt conveyor cross section is the circular-arc end height height near power wheel 8 center shafts, and the coefficient that can guarantee winnowing pan like this is for maximum.

Claims

1, a kind of bucket elevator, comprise head (1), elevator pipe (2), be fixed with the winnowing pan band (4) of winnowing pan (3), motor (5) and support, head is equipped with great wheel (7) and is provided with discharging opening (17), support is provided with power wheel (8), winnowing pan band tightening device and inlet point, it is characterized in that: support comprises frame (9) and certainly clear base plate (10), frame (9) and employing sealable be flexible coupling (11) between clear base plate (10), from clear base plate gantry motion relatively, described being provided with from clear base plate (10) can make certainly the soruce of vibration (11) of back plate vibration clearly, being provided with the prominent body (12) of fish scale sheet from clear plate inner surface, is circular-arc from the bottom section of clear base plate.

2, bucket elevator according to claim 1, it is characterized in that described from clear base plate (10) the outside and under-chassis (6) between be provided with vibration isolator (14), described vibration isolator can be any in spring, Rubber Parts, the foamed plastic damping element.

3,, it is characterized in that soruce of vibration (11) can adopt the mode of eccentric vibrating motor or crank gear or employing electric and magnetic oscillation according to claim 1 or 2 described bucket elevators.

4,, it is characterized in that soruce of vibration (11) can drive an eccentric stiffener by power wheel (8) and realize according to claim 1 or 2 described bucket elevators.

5, according to claim 1 or 2 described bucket elevators, it is characterized in that being provided with the prominent body (12) of fish scale sheet from clear plate inner surface middle part, the prominent body of middle part fish scale sheet is arranged the width that width should be less than or equal to winnowing pan, the prominent body arranged askew of the fish scale sheet on base plate both sides is assembled to the base plate middle part in order to material.

6, bucket elevator according to claim 5 is characterized in that can make soft coating from the inside face of clear base plate handles.

7, bucket elevator according to claim 5 is characterized in that the height of an end height circular-arc from clear base plate cross section near power wheel (8) center shaft.

8, a kind of bucket elevator, comprise head (1), elevator pipe (2), be fixed with winnowing pan band (4), motor (5) and the support of winnowing pan (3), head is equipped with great wheel (7) and is provided with discharging opening (17), support is provided with power wheel (8), winnowing pan band tightening device and inlet point, it is characterized in that: the base plate of support bottom is substituted by a belt conveyor, described belt conveyor is by motor, carrying roller (18) and pinch roller (19) are formed, carrying roller (18) is positioned at the below of belt conveyor (20), and pinch roller (19) is positioned at the both sides, top of belt conveyor.

9,8 described bucket elevators as requested is characterized in that described belt conveyor (20) surface is provided with the Chevy Trucks, assemble to the belt middle part in order to material, and the installation site, cross section of belt conveyor is approximately circular-arc.

10, bucket elevator according to claim 9 is characterized in that installation site, belt conveyor cross section is the circular-arc end height height near power wheel (8) center shaft.