CN208307681U

CN208307681U - Bucket elevator

Info

Publication number: CN208307681U
Application number: CN201820213204.7U
Authority: CN
Inventors: 韩春杰
Original assignee: Qingdao Rongtai Foundry Machinery Co Ltd
Current assignee: Qingdao Rongtai Foundry Machinery Co Ltd
Priority date: 2018-02-06
Filing date: 2018-02-06
Publication date: 2019-01-01
Anticipated expiration: 2028-02-06

Abstract

The utility model discloses a kind of bucket elevator, the adjustable range of transmission belt tensile force is wide；Its key points of the technical solution are that including casing, transmitting device, driving device, transmitting device includes the top delivery roll for being rotationally connected with casing upper end, the lower transfer roller for being rotationally connected with casing lower end and the transmission belt that top delivery roll is connected with lower transfer roller；The axis of top delivery roll and lower transfer roller is located in the same vertical plane；The transfer surface of transmission belt is fixed with hopper；Lower transfer roller is slidably connected with casing in the vertical direction, and bucket elevator further includes tensioning apparatus；Tensioning apparatus includes tensioner arm, and tensioner arm one end is hinged with casing, is abutted against in the middle part of tensioner arm with lower transfer roll end, the tensioner arm other end is provided with ballast box；Tensioner arm includes the fixed arm being hinged with casing and the travelling arm that is slidably connected in fixed arm length direction with it；Tensioning apparatus further includes by fixed arm and the relatively-stationary retaining mechanism of travelling arm.

Description

Bucket elevator

Technical field

The utility model relates to a kind of transported lifts more particularly to a kind of bucket elevators.

Background technique

Bucket elevator is using a series of hoppers being fixed in haulage chain or transmission belt vertical or close to vertical direction The continuous conveyor of interior upward transferring bulk cargo.It is to utilize transmission belt and top using the bucket elevator that transmission belt is transmitted Moment of friction between delivery roll carries out elevator material, when the tension of transmission belt is inadequate, will cause transmission belt skidding, nothing Method is normally carried out material lifting transport, therefore bucket elevator is provided with tensioning apparatus and is tensioned to transmission belt.

The Chinese invention patent file of application publication number CN105752605A discloses the traction in a kind of bucket elevator Part tensioning apparatus, comprising: elevator lower case and two Mobile bases to install changed course wheel shaft are set to, in Mobile base Lower section is provided with weight mounting rack, and weight mounting rack is hinged on two Mobile bases by a pair of coaxial pin shaft, is installed in weight The side of frame hangs the weight box equipped with weight, first positioning hole is provided on weight mounting rack, at first positioning hole Setting is provided with the positioning plate of second location hole in elevator lower case, weight mounting rack by also cross first positioning hole and The locking assembly of second location hole is mutually fixed with elevator lower case.

Traction piece tensioning apparatus in above-mentioned bucket elevator, opens transmission belt by the way of gravity lever Tightly, the tensile force of transmission belt is adjusted by changing the counterweight in weight box, since the constant magnitude of ballast box, space have Limit, it is small to the adjustable range of belt tension, it is not able to satisfy in actual production, the tensioning requirement to transmission belt.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of bucket elevator, transmission Adjustable range with tensile force is wide.

To achieve the above object, the utility model provide following technical solution, a kind of bucket elevator, including top and Lower part is provided with the casing of inlet port and outlet port, transmitting device, the driving transmitting device promoted to hopper transmits Driving device, the transmitting device includes the top delivery roll for being rotationally connected with casing upper end, is rotationally connected with casing lower end Lower transfer roller and transmission belt that top delivery roll is connected with lower transfer roller；Top delivery roll and lower transfer roller Axis is located in the same vertical plane；The transfer surface of transmission belt is fixed with hopper；Lower transfer roller in the vertical direction with machine Shell is slidably connected, and bucket elevator further includes the tensioning apparatus being tensioned to transmission belt；The tensioning apparatus includes tensioner arm, Tensioner arm one end is hinged with casing, abuts against in the middle part of tensioner arm with lower transfer roll end, the tensioner arm other end, which is provided with, matches Loaded van；The tensioner arm includes the fixed arm being hinged with casing and the sliding that is slidably connected in fixed arm length direction with it Arm；The tensioning apparatus further includes by fixed arm and the relatively-stationary retaining mechanism of travelling arm.

Through the above technical solutions, entering the material of hopper under the drive of the drive from feed inlet, by transmission belt band Dynamic to be promoted, material is poured out from hopper when by above discharge port is discharged by discharge port；Through the counterweight in ballast box, under Portion's delivery roll plays power straight down to be tensioned transmission belt；By adjusting the length of tensioner arm, change its ballast box under The arm of force of portion's delivery roll, to change the size to transmission belt tensile force；The counterweight in increase and decrease ballast box can not only be passed through in this way Change the tensile force to transmission belt, moreover it is possible to further by changing tensile force of the length adjustment to transmission belt of tensioner arm, make to open Tight device can adjust the size of stretch in a wider context.

The utility model is further arranged to: the trend that is provided with along the sliding slot of fixed arm length direction, insert by travelling arm It connects in sliding slot, by sliding slot, direction is slidably connected travelling arm along the chute with composition.

Through the above technical solutions, travelling arm is slided along fixed arm length direction by sliding slot, to change tensioner arm Length so that change ballast box to the size of the lower transfer roller arm of force, to adjust the tensile force to transmission belt.

The utility model is further arranged to: the retaining mechanism includes that length direction is arranged on fixed arm along fixed arm The strip hole of length direction, the nut across strip hole and through the bolt of travelling arm and with bolt cooperation.

Through the above technical solutions, bolt pass through strip hole and run through travelling arm, by screw bolt and nut by travelling arm with Fixed arm is fixed on corresponding sliding position.

The utility model is further arranged to: the ballast box is slidably connected in travelling arm length direction with travelling arm.

Through the above technical solutions, changing ballast box to lower part by sliding of the ballast box on travelling arm length direction The arm of force size of delivery roll, to further adjust the tensile force to transmission belt.

The utility model is further arranged to: being provided with length direction on the travelling arm and is slided along travelling arm length direction Slot, sliding groove slidably connect the shaft with ballast box rotation connection, the roller end setting on travelling arm length direction There is threaded portion, the fixture nut that shaft is fixed on to sliding position is combined on threaded portion.

Through the above technical solutions, being slidably matched to realize on travelling arm length direction by shaft and sliding groove Change of the ballast box to lower transfer roller arm of force size, to change the tensile force to transmission belt；By fixture nut by counterweight Case is fixed on corresponding sliding position.

The utility model is further arranged to: the cabinet sides are provided with vertical direction sliding rail, the lower transfer roller Both ends are rotatably connected to plain bearing housing, and the plain bearing housing and sliding rail are slidably connected in vertical direction.

Through the above technical solutions, lower transfer roller is by the plain bearing housing being rotatablely connected with it and setting in casing side The upright slide rail in face realize delivery roll with respect to casing vertical direction sliding function.

The utility model is further arranged to: the casing includes the lower casing for being provided with feed inlet, is provided with discharging Mouthful upper housing and several by the intermediate casing for the connection that is fixed between upper housing and lower casing.

Through the above technical solutions, bucket elevator can the height that promoted according to it, the specification and increase and decrease of transmission belt The quantity of intermediate casing, to meet the working condition requirement of different hoisting depths.

The utility model is further arranged to: casing internal mechanism will be overhauled by being provided on the intermediate casing Access hole.

Through the above technical solutions, the structure of casing internal can be observed and be overhauled by access hole.

In conclusion the utility model has the advantages that compared with the prior art

1. changing the length of tensioner arm by the sliding of travelling arm and fixed arm, and then change ballast box to lower transfer roller The arm of force make tensioning apparatus have bigger tensioning adjustable range；

2. the size to transmission belt tensile force can further be adjusted by the sliding of ballast box and travelling arm；

3. tensioning mode can flexibly be selected according to the elastic situation of transmission belt, it is convenient and efficient.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of bucket elevator；

Fig. 2 is the three dimensional sectional view schematic diagram of bucket elevator；

Fig. 3 is the structural schematic diagram of driving device；

Fig. 4 is the structural schematic diagram of back-stop mechanism；

Fig. 5 is discharge port partial view；

Fig. 6 is the structural schematic diagram of guide part；

Fig. 7 is the structural schematic diagram of top delivery roll；

Fig. 8 is the structural schematic diagram of tensioning apparatus；

Fig. 9 is the structural schematic diagram of ballast box.

In figure: 1, casing；11, upper housing；12, lower casing；121, sliding rail；122, tensioning frame；13, intermediate casing； 131, access hole；14, feed inlet；15, discharge port；151, splicing plate；2, transmitting device；21, transmission belt；211, interconnecting piece；22, Hopper；23, top delivery roll；24, lower transfer roller；25, annular groove；26, plain bearing housing；27, guide part；271, it is oriented to Slot；28, position-limit mechanism；281, limited block；282, position-limited wheel；3, driving device；31, motor；32, driving wheel；33, band is driven； 34, back-stop mechanism；341, ratchet；342, pawl；4, tensioning apparatus；41, tensioner arm；411, fixed arm；412, travelling arm；413, Sliding slot；42, ballast box；421, shaft；422, sliding groove；423, threaded portion；424, fixture nut；43, retaining mechanism；431, long Hole.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawing.

A kind of bucket elevator, referring to Fig.1, including casing 1, transmitting device 2, driving device 3 and tensioning apparatus 4.Casing 1 Including upper housing 11 and lower casing 12 and several between upper housing 11 and lower casing 12 by upper housing 11 intermediate casings 13 being fixedly connected with lower casing 12 are provided with feed inlet 14 on lower casing 12, set on upper housing 11 It is equipped with discharge port 15.The access hole 131 overhauled to 1 internal junction of casing is provided on intermediate casing 13.

Referring to Figures 1 and 2, transmitting device 2 includes top delivery roll 23, lower transfer roller 24 and by top delivery roll 23 The transmission belt 21 being connected with lower transfer roller 24；Evenly spaced hopper 22 is fixed in 21 transfer surface of transmission belt.Top passes Defeated roller 23 is rotationally connected with upper housing 11, and lower transfer roller 24 is rotationally connected on lower casing 12 and 23 He of top delivery roll 24 axis of lower transfer roller is in the same plane.Drive transmission belt 21 upper by top delivery roll 23 and lower transfer roller 24 The transport enhanced feature to realize material is moved between portion's delivery roll 23 and lower transfer roller 24.

Referring to Fig. 2 and Fig. 3, driving device 3 includes 31, two driving wheels 32 of motor and driving band 33.Motor 31 is fixed on On upper housing 11, driving wheel 32 is separately fixed at 23 end of 31 output shaft end of motor and top delivery roll, drives band 33 by two A driving wheel 32 is connected.By driving band 33 and driving wheel 32 by the rotation of 31 shaft end of motor pass to top delivery roll 23 from And top delivery roll 23 is driven to rotate, and then drive transmission belt 21 and lower transfer roller 24 that top delivery roll 23 is followed to rotate.

Referring to Fig. 2 and Fig. 4, bucket elevator is additionally provided with the back-stop mechanism 34 for preventing transmission belt 21 from reversing, back-stop mechanism 34 include ratchet 341 and pawl 342.Ratchet 341 is fixed on the shaft end of top delivery roll 23, pawl 342 with 11 turns of upper housing Dynamic connection；The interaction of ratchet 341 and pawl 342 carries out reversing braking to top delivery roll 23.Promotion fortune is carried out in material During defeated, when machine power-off, since the material of the hopper 22 of 21 two sides of transmission belt is uneven, transmitted under the action of hopper 22 Band 21 can reverse, and material is caused to be poured in casing 1, can be had using the setting of ratchet 341 and pawl 342 and be transmitted to top Roller 23 carries out reversing braking, to prevent transmission belt 21 from being reversed.

Referring to figure 5 and figure 6,15 end of discharge port is provided with the splicing plate 151 for tilting and extending to below 22 dump position of hopper； 21 back side of transmission belt is provided with interconnecting piece 211 flexible, and 211 section of interconnecting piece is T font, is provided with and leads in the middle part of upper housing 11 To portion 27, the guide groove 271 of T-type is provided on guide part 27, interconnecting piece 211 is placed in guide groove 271, and transmission belt 21 passes through company Socket part 211 and the cooperation of guide groove 271 are slidably connected with the composition of guide part 27.By guide part 27 to 21 motion profile of transmission belt Restriction, make transmission belt 21 in the motion profile S type in 27 region of guide part, so that transmission belt 21 be made to get around during the motion Splicing plate 151 prevents from interfering with hopper 22 and guide part 27.

Referring to figure 5 and figure 6, guide part 27 is additionally provided with for limiting to by the transmission belt 21 in 27 region of guide part Position-limit mechanism 28.The width of hopper 22 be less than transmission belt 21 width, position-limit mechanism 28 include be located at 21 two sides of transmission belt with The limited block 281 that guide part 27 is fixedly connected, limited block 281 are rotatably connected to position-limited wheel 282, position-limited wheel 282 and transmission belt 21 Transfer surface is tangent；21 motion profile of transmission belt is further limited by position-limited wheel 282, to prevent transmission belt 21 from leading Deviate to the motion profile in 27 region of portion.

Referring to Fig. 7, it is provided with annular groove 25 on 24 circumferential surface of top delivery roll 23 and lower transfer roller, guide part 27 is from annular Pass through in slot 25, to keep the operation of top delivery roll 23 and lower transfer roller 24 when transmitting to transmission belt 21 flat Surely, annular groove 25 and the interaction of guide part 27 can also be played the role of preventing transmission belt 21 from shifting in transmission process.

Referring to Fig. 8, tensioning apparatus 4 uses the principle of gravity lever.12 side of lower casing is provided with sliding rail 121, lower part 24 end of delivery roll is rotatably connected to plain bearing housing 26, and plain bearing housing 26 is placed in sliding rail 121 and in vertical direction under Portion's casing 12 is slidably connected.Lower casing 12 is provided with tensioning frame 122, and tensioning apparatus 4 includes tensioner arm 41 and ballast box 42, opens Tight 41 one end of arm is hinged with tensioning frame 122, and 41 middle part of tensioner arm is abutted against with plain bearing housing 26, the other end and ballast box 42 Rotation connection.By adding and subtracting counterweight toward ballast box 42, change ballast box 42 to the arm of force size of plain bearing housing 26, to change To the tensile force of transmission belt 21.

Referring to Fig. 8, tensioner arm 41 is including fixed arm 411 and in travelling arm 412；Fixed arm 411 is cut with scissors with 122 phase of tensioning frame It connects；Fixed arm 411 is provided with trend along the sliding slot 413 of 411 length direction of fixed arm, and travelling arm 412 is plugged in sliding slot 413, By sliding slot 413 and the composition of fixed arm 411,413 length directions are slidably connected travelling arm 412 along the chute.

Referring to Fig. 8, tensioning apparatus 4 further includes the retaining mechanism 43 that travelling arm 412 is fixed on to corresponding sliding position.Locking Mechanism 43 includes that the strip hole 431 of fixed arm 411 along its length and the bolt through strip hole 431 is arranged in, on bolt It is combined with nut.It will be relatively fixed by travelling arm 412 and fixed arm 411 by screw bolt and nut.

Referring to Fig. 8 and Fig. 9, it is provided with the shaft 421 being rotatablely connected with it on 42 side wall of ballast box, is set on travelling arm 412 It is equipped with the sliding groove 422 along 412 length direction of travelling arm；Shaft 421 is placed in sliding groove 422, with travelling arm 412 along sliding 422 length direction of slot composition is slidably connected.421 end of shaft is provided with threaded portion 423, and by being tightened, nut 424 will be with Shaft 421 is fixed on corresponding sliding position by the cooperation of threaded portion 423.

Specific embodiment is as follows:

The comminuted solids material such as sand, cement is poured into feed inlet 14, material is sequentially entered by 14 lower section of feed inlet Hopper 22 in, in the driving of driving device 3, transmission belt 21 follows top delivery roll 23 and lower transfer roller 24 to rotate, and holds There is the hopper 22 of material that transmission belt 21 is followed to be promoted upwards；In hopper 22 by reaching specific material at the top of top delivery roll 23 When dump position, under the double action of gravity and centrifugal force, the material in hopper 22 is poured from hopper 22；From hopper The material being poured out in 22 enters discharge port 15 along splicing plate 151, is discharged by discharge port 15.Work of the transmission belt 21 in guide part 27 It is run along material dump position along S type track with lower get around, and then avoids extending to 22 lower section of hopper at material dump position Splicing plate 151.The hopper 22 emptied is again passed by under the drive of transmission belt 21 below feed inlet 14, is started next work and is followed Ring.

When needing to be put into counterweight into ballast box 42 into when being tensioned to transmission belt 21, by travelling arm 412 and fix Sliding between sliding between arm 411 and ballast box 42 and travelling arm 412 changes ballast box 42 and acts on plain bearing housing 26 The arm of force, and then change to the tensile force of transmission belt 21；It will be slided by the fixture nut 424 on retaining mechanism 43 and shaft 421 Swing arm 412 and ballast box 42 are fixed on corresponding sliding position.Due to the length of tensioner arm 41 can reconcile ballast box 42 can edge 412 length direction of travelling arm is opposite to be slided, and is had by the way of through change counterweight size merely than generally wider It is tensioned adjustable range.

The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.

Claims

1. a kind of bucket elevator is provided with the casing (1) of feed inlet (14) and discharge port (15), to material including upper and lower part Struggle against the transmitting device (2) that (22) are promoted, the driving device (3) for driving transmitting device (2) to be transmitted, the transmitting device It (2) include the top delivery roll (23) for being rotationally connected with casing (1) upper end, the lower transfer for being rotationally connected with casing (1) lower end Roller (24) and the transmission belt (21) that top delivery roll (23) is connected with lower transfer roller (24)；Top delivery roll (23) and under The axis of portion's delivery roll (24) is located in the same vertical plane；The transfer surface of transmission belt (21) is fixed with hopper (22)；Lower part Delivery roll (24) is slidably connected with casing (1) in the vertical direction, and bucket elevator further includes being tensioned to transmission belt (21) Tensioning apparatus (4)；It is characterized by: the tensioning apparatus (4) includes tensioner arm (41), tensioner arm (41) one end and casing (1) it is hinged, is abutted against in the middle part of tensioner arm (41) with lower transfer roller (24) end, tensioner arm (41) other end is provided with counterweight Case (42)；The tensioner arm (41) includes the fixed arm (411) being hinged with casing (1) and in fixed arm (411) length direction The travelling arm (412) being slidably connected with it；The tensioning apparatus (4) further includes that fixed arm (411) and travelling arm (412) is opposite Fixed retaining mechanism (43).

2. bucket elevator according to claim 1, it is characterised in that: the fixed arm (411) is provided with trend along solid The sliding slot (413) of fixed arm (411) length direction, travelling arm (412) are plugged in sliding slot (413), and travelling arm (412) passes through sliding slot (413) (413) length direction along the chute is constituted with fixed arm (411) to be slidably connected.

3. bucket elevator according to claim 1, it is characterised in that: the retaining mechanism (43) includes being arranged in fixation Strip hole (431) on arm (411) and along its length, pass through strip hole (431) and through the bolt of travelling arm (412) with And the nut with bolt cooperation.

4. bucket elevator according to claim 1, it is characterised in that: the ballast box (42) is long in travelling arm (412) Degree direction is slidably connected with travelling arm (412).

5. bucket elevator according to claim 4, it is characterised in that: be provided with length side on the travelling arm (412) To the sliding groove (422) along travelling arm (412) length direction, sliding groove (422) company of sliding on travelling arm (412) length direction It is connected to the shaft (421) with ballast box (42) rotation connection, shaft (421) end is provided with threaded portion (423), threaded portion (423) fixture nut (424) that shaft (421) is fixed on to sliding position is combined on.

6. bucket elevator according to claim 1, it is characterised in that: casing (1) side is provided with vertical direction Sliding rail (121), lower transfer roller (24) both ends are rotatably connected to plain bearing housing (26), the plain bearing housing (26) It is slidably connected with sliding rail (121) in vertical direction.

7. bucket elevator according to claim 1, it is characterised in that: the casing (1) includes being provided with feed inlet (14) lower casing (12), the upper housing (11) for being provided with discharge port (15) and several will be located at upper housing (11) and Be fixed the intermediate casing (13) of connection between lower casing (12).

8. bucket elevator according to claim 7, it is characterised in that: being provided on the intermediate casing (13) will be to machine The access hole (131) that shell (1) internal mechanism is overhauled.