CN215945758U

CN215945758U - Bucket elevator

Info

Publication number: CN215945758U
Application number: CN202121681257.XU
Authority: CN
Inventors: 黄雪峰
Original assignee: Heshan Guangfo Forage Co ltd
Current assignee: Heshan Guangfo Forage Co ltd
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2022-03-04
Anticipated expiration: 2031-07-22

Abstract

The utility model discloses a bucket elevator, which comprises a bucket elevator body, wherein two chains are arranged in the bucket elevator body in parallel along the vertical direction, winnowing pans are horizontally arranged on the two chains, a sliding rail is arranged on the motion path of the bucket elevator body corresponding to the winnowing pans, a braking device is arranged on the sliding rail, and the braking device is connected with the winnowing pans and is used for braking when the winnowing pans fall. Through the structure that sets up arresting gear on the dustpan, when the chain fracture, arresting gear can brake the dustpan fast, avoids taking place further mechanical failure, is favorable to the troubleshooting of equipment simultaneously.

Description

Bucket elevator

Technical Field

The utility model relates to a lifting device, in particular to a bucket elevator.

Background

The bucket elevator can vertically lift powdery or granular bulk materials, and is widely applied to continuous lifting of bulk materials in feed mills, grain depots, port wharfs and the like of various scales.

The existing bucket elevator is generally a chain drive, a material bucket is arranged on a chain, and bulk materials are lifted by the material bucket moving along with the chain. When the chain breaks, the material bucket may fall from the chain, with potential safety hazards.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a bucket elevator which can prevent a bucket from falling when a chain is broken.

The bucket elevator comprises a bucket elevator body, wherein two chains are arranged in parallel in the bucket elevator body along the vertical direction, a bucket is horizontally arranged on the two chains, a sliding rail is arranged on the bucket elevator body corresponding to the movement path of the bucket, a braking device is arranged on the sliding rail, and the braking device is connected with the bucket and used for braking when the bucket falls.

According to the embodiment of the utility model, at least the following technical effects are achieved:

through the structure that sets up arresting gear on the dustpan, when the chain fracture, arresting gear can brake the dustpan fast, avoids the dustpan to fall and takes place further mechanical fault, is favorable to the troubleshooting of equipment simultaneously.

According to some embodiments of the utility model, the braking device is provided with a bracket, the bracket is rotatably mounted at the lower end of the dustpan, the bracket is rotatably provided with a pulley corresponding to the slide rail, and the braking device is provided with a stopping mechanism on the bracket, and the stopping mechanism is used for locking the pulley when the dustpan falls to rotate relative to the bracket.

According to some embodiments of the utility model, two pulleys are provided, two pulleys are horizontally and rotatably mounted on the same side of the bracket, the slide rail is provided with two sliding grooves side by side, two pulleys are fitted in the two sliding grooves and abut against the side walls of the two sliding grooves, which are close to each other, and rotating shafts of the two pulleys are provided with first gears which are meshed with each other.

the dustpan is arranged on the chain, the bracket is rotationally arranged at the lower end of the dustpan, the two pulleys are rotationally arranged on the bracket, the rotating shafts of the two pulleys are respectively provided with a first gear, and the two first gears are meshed to control the two pulleys to rotate in opposite directions; when a mechanical fault occurs, the winnowing pan is separated from the chain or the chain is broken, the winnowing pan can turn outwards along the axis of the rotary connection part of the bracket, the pulley stops rotating under the action of the stopping mechanism in the rotating process, one end of the bracket is pressed downwards by the winnowing pan, and a lever is formed between the two pulleys and the bracket to realize bucket locking.

According to some embodiments of the utility model, the stopping mechanism comprises a sliding sleeve, a connecting rod and a brake block, the sliding sleeve is rotatably mounted on the bracket, the connecting rod is slidably mounted in the sliding sleeve, one end of the connecting rod is hinged with the upper end of the dustpan, the other end of the connecting rod is connected with the brake block, a second gear is fixedly mounted on the rotating shaft of one of the pulleys, the brake block is provided with gear teeth corresponding to the profile of the second gear, and the dustpan can be turned outwards relative to the bracket when falling, so that the connecting rod is pulled to slide on the sliding sleeve, and the brake block is abutted against the second gear.

by adopting the structure design, the locking mode of the mechanical structure is convenient for resetting and overhauling.

According to some embodiments of the utility model, the stopping mechanism further comprises a buffer spring, and the buffer spring is sleeved on the connecting rod and located between the brake block and the sliding sleeve.

the buffer spring is sleeved on the connecting rod, when the bucket pulls the connecting rod to move forwards, the buffer spring can provide reaction force, and the brake block is prevented from being damaged due to the fact that impact force causes the second gear when contacting the second gear.

According to some embodiments of the utility model, a side of the dustpan remote from the braking device is provided with a reinforcing rib.

one side of the dustpan far away from the braking device is provided with the reinforcing rib, so that the structural strength of the dustpan can be improved, the bracket can be further kept away from the center of the dustpan, and the dustpan can be ensured to be outwards turned relative to the bracket after mechanical failure occurs.

According to some embodiments of the utility model, the pulley is provided with anti-slip threads.

be provided with anti-skidding line on the pulley, the frictional force that provides is bigger with on the spout lateral wall when the pulley stall, and braking effect is better.

According to some embodiments of the utility model, the bucket elevator comprises a frame and a box body, wherein chain wheels are arranged at the upper end and the lower end inside the box body, two chains are arranged on the chain wheels, a driving mechanism is arranged on the outer side of the box body, the driving mechanism is in transmission connection with one of the chain wheels, the box body is arranged on the frame, and four corners of the bottom of the frame are provided with trundles.

the box is installed in the frame, and frame bottom four corners department is provided with the truckle, through the design of this structure, is convenient for remove, has improved bucket elevator's range of application and application occasion.

According to some embodiments of the utility model, the four corners of the bottom of the rack are also provided with fixed supporting mechanisms which can be adjusted in a lifting mode.

According to some embodiments of the utility model, the fixed support mechanism comprises a hydraulic cylinder, the hydraulic rod of which is arranged vertically downwards, and the lower end of the hydraulic rod is provided with a cushion block for supporting the frame instead of the foot wheel when the bucket elevator is in operation.

by adopting the embodiment with the structural design, the lower end of the rack can be switched between the use modes of the trundles and the cushion blocks, namely can move, so that the bucket elevator is convenient to transport; can be fixed, and has good fixing effect.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is an external structural view of the present invention;

FIG. 2 is an internal structural implementation of the present invention;

FIG. 3 is a schematic view of the bucket and brake of the present invention;

FIG. 4 is a schematic view of a partial structure of the present invention;

FIG. 5 is a cross-sectional view of the present invention;

in the figure: 100-box body, 101-dustpan, 102-reinforcing rib, 110-chain, 120-sliding rail, 121-sliding groove, 130-chain wheel, 200-frame, 201-caster, 210-fixed supporting mechanism, 211-hydraulic cylinder, 212-cushion block, 300-driving mechanism, 400-braking device, 401-bracket, 402-pulley, 403-first gear, 410-stopping mechanism, 411-sliding sleeve, 412-connecting rod, 413-braking block, 414-buffer spring and 415-second gear.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 5, the utility model provides a bucket elevator, which comprises a bucket elevator body, wherein two chains 110 are arranged in parallel in the vertical direction in the bucket elevator body, a bucket 101 is horizontally arranged on the two chains 110, a sliding rail 120 is arranged on the bucket elevator body corresponding to the movement path of the bucket 101, a braking device 400 is arranged on the sliding rail 120, and the braking device 400 is connected with the bucket 101 and is used for braking when the bucket 101 falls.

Referring to fig. 1 and 2, bucket elevator, including the bucket elevator body, inside two chains 110 of following vertical direction parallel arrangement of bucket elevator body, install respectively on two chains 110 at the both ends of dustpan 101, rotating on dustpan 101 and installing arresting gear 400, arresting gear 400's one end is installed in the slide rail 120 that sets up along the motion route of dustpan 101, when operating condition, dustpan 101 drives arresting gear 400 and moves, when chain 110 fracture in the bucket elevator, arresting gear 400 can prevent that dustpan 101 from falling, avoid taking place further mechanical failure, when carrying out troubleshooting to equipment, dustpan 101 that can quick replacement damage.

In some embodiments of the present invention, the braking device 400 is provided with a bracket 401, the bracket 401 is rotatably mounted at the lower end of the dustpan 101, the bracket 401 is rotatably provided with a pulley 402 corresponding to the slide rail 120, the braking device 400 is provided with a stopping mechanism 410 on the bracket 401, and the stopping mechanism 410 is used for locking the pulley 402 when the dustpan 101 falls and rotates relative to the bracket 401.

Referring to FIGS. 3 and 4, the bracket 401 is provided with a stopping mechanism 410 for controlling the pulley 402 to stop rotating, when the dustpan 101 is released from the chain 110, the dustpan 101 can be turned outwards because the center of gravity of the dustpan 101 is far away from the rotating center of the rotating connection with the bracket 401 and outwards, the stopping mechanism 410 starts to work and stops the pulley 402 from rotating when the dustpan 101 is turned outwards, and when the sliding stops rotating, the pulley 402 and the sliding rail 120 generate friction force to brake the dustpan 101.

In some embodiments of the present invention, two pulleys 402 are provided, two pulleys 402 are horizontally and rotatably installed on the same side of the bracket 401, the slide rail 120 is provided with two sliding grooves 121 side by side, the two pulleys 402 are fitted in the two sliding grooves 121 and abut against the side walls of the two sliding grooves 121 close to each other, and the rotating shafts of the two pulleys 402 are provided with first gears 403 engaged with each other.

Referring to FIG. 5, the dustpan 101 is mounted on the chain 110, the bracket 401 is rotatably mounted at the lower end of the dustpan 101, two pulleys 402 are rotatably mounted on the bracket 401, first gears 403 are respectively arranged on the rotating shafts of the two pulleys 402, and the two first gears 403 are meshed with each other to control the two pulleys 402 to rotate in opposite directions; when the mechanical failure occurs, the dustpan 101 is separated from the chain 110 or the chain 110 is broken, the dustpan 101 can be turned outwards along the axis of the rotary connection with the bracket 401, the pulley 402 stops rotating under the action of the stop mechanism 410 during the rotation, one end of the bracket 401 is pressed downwards by the dustpan 101, and a lever is formed between the two pulleys 402 and the bracket 401 to realize the locking of the dustpan 101.

In some embodiments of the present invention, the stopping mechanism 410 comprises a sliding sleeve 411, a connecting rod 412 and a brake block 413, the sliding sleeve 411 is rotatably mounted on the carriage 401, the connecting rod 412 is slidably mounted in the sliding sleeve 411, one end of the connecting rod 412 is hinged to the upper end of the dustpan 101, the other end of the connecting rod 412 is connected with the brake block 413, a second gear 415 is fixedly mounted on the rotating shaft of one pulley 402, the brake block 413 is provided with gear teeth corresponding to the profile of the second gear 415, and the dustpan 101 can be overturned outwards relative to the carriage 401 when falling, so that the connecting rod 412 is pulled to slide on the sliding sleeve 411, and the brake block 413 is abutted against the second gear 415.

In some embodiments of the present invention, the stopping mechanism 410 further comprises a buffer spring 414, wherein the buffer spring 414 is disposed on the connecting rod 412 and located between the stop block 413 and the sliding sleeve 411.

The buffer spring 414 is sleeved on the connecting rod 412, and when the bucket 101 pulls the connecting rod 412 to move forward, the buffer spring 414 can provide a reaction force, so as to prevent the second gear 415 from being damaged due to impact force when the brake block 413 contacts the second gear 415.

In some embodiments of the utility model, the side of the dustpan 101 remote from the brake 400 is provided with a reinforcing rib 102.

The reinforcing rib 102 is arranged on one side of the dustpan 101 far away from the braking device 400, so that the structural strength of the dustpan 101 can be improved, the center of the dustpan 101 can be ensured to be far away from the bracket 120, and the dustpan 101 can be ensured to be turned outwards relative to the bracket 120 after mechanical failure occurs.

In some embodiments of the present invention, the pulley 402 is provided with anti-slip threads.

The pulley 402 is provided with anti-slip threads, so that the friction force provided by the pulley 402 and the side wall of the sliding groove 121 when the pulley 402 stops rotating is larger, and the braking effect is better.

In some embodiments of the present invention, the bucket elevator includes a frame 200 and a box 100, wherein the upper and lower ends of the interior of the box 100 are provided with chain wheels 130, two chains 110 are mounted on the chain wheels 130, the exterior of the box 100 is provided with a driving mechanism 300, the driving mechanism 300 is in transmission connection with one of the chain wheels 130, the box 100 is mounted on the frame 200, and four corners of the bottom of the frame 200 are provided with casters 201.

The box body 100 is arranged on the frame 200, and the four corners at the bottom of the frame 200 are provided with the trundles 201, so that the bucket elevator is convenient to move through the design of the structure, and the application range and the application occasion of the bucket elevator are improved.

In some embodiments of the present invention, the four corners of the bottom of the rack 200 are further provided with a fixed supporting mechanism 210 capable of being adjusted up and down.

In some embodiments of the present invention, the fixed supporting mechanism 210 includes a hydraulic cylinder 211, a hydraulic rod of the hydraulic cylinder 211 is disposed vertically downward, and a pad 212 is disposed at a lower end of the hydraulic rod, and the pad 212 is used to support the frame 200 instead of the caster 201 when the bucket elevator operates.

Referring to fig. 1 and 2, in particular, the bucket elevator comprises a frame 200 and a box 100, wherein a feeding port is arranged at the bottom of the box 100, a discharging port is arranged at the top of the box 100, chain wheels 130 are arranged at the upper end and the lower end inside the box 100, two chains 110 are arranged on the chain wheels 130, two ends of the bucket 101 are respectively arranged on the two chains 110, the chain wheels 130 drive the chains 110 to rotate when in operation, and then the bucket 101 lifts bulk materials at the feeding port to the discharging port; the braking device 400 is rotatably mounted on the dustpan 101, one end of the rotating device is mounted in the sliding rail 120 arranged along the movement path of the dustpan 101, the driving mechanism 300 is arranged on the outer side of the box 100, the driving mechanism 300 is in transmission connection with one of the chain wheels 130, the box 100 is mounted on the rack 200, the caster 201 and the fixed supporting mechanism 210 capable of being adjusted in a lifting mode are arranged at the four corners of the bottom of the rack 200, the fixed supporting mechanism 210 comprises a hydraulic cylinder 211, a hydraulic rod of the hydraulic cylinder 211 is vertically arranged downwards, and a cushion block 212 is arranged at the lower end of the hydraulic rod. The lower end of the frame 200 can be switched between the use modes of the caster 201 and the cushion block 212, namely can move, so that the bucket elevator is convenient to transport; can be fixed, and has good fixing effect.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. The bucket elevator is characterized by comprising a bucket elevator body, wherein two chains (110) are arranged inside the bucket elevator body in parallel along the vertical direction, winnowing pans (101) are horizontally arranged on the two chains (110), a sliding rail (120) is arranged on the bucket elevator body corresponding to the movement path of the winnowing pans (101), a braking device (400) is arranged on the sliding rail (120), and the braking device (400) is connected with the winnowing pans (101) and used for braking when the winnowing pans (101) fall.

2. The bucket elevator as claimed in claim 1, characterized in that the braking device (400) is provided with a carriage (401), the carriage (401) being rotatably mounted on the lower end of the bucket (101), the carriage (401) being rotatably provided with a pulley (402) in correspondence with the slide (120), the braking device (400) being provided with a stop mechanism (410) on the carriage (401), the stop mechanism (410) being intended to lock the pulley (402) when the bucket (101) is falling and rotating in relation to the carriage (401).

3. The bucket elevator according to claim 2, wherein there are two pulleys (402), two pulleys (402) are horizontally and rotatably mounted on the same side of the bracket (401), the slide rail (120) is provided with two slide grooves (121) side by side, two pulleys (402) are fitted in the two slide grooves (121) and abut against the side walls of the two slide grooves (121) which are close to each other, and the rotating shafts of the two pulleys (402) are provided with first gears (403) which mesh with each other.

4. Bucket elevator according to claim 3, characterized in that the stop mechanism (410) comprises a sliding sleeve (411), a link (412) and a stop block (413), the sliding sleeve (411) is rotatably arranged on the bracket (401), the connecting rod (412) is slidably arranged in the sliding sleeve (411), one end of the connecting rod (412) is hinged with the upper end of the dustpan (101), the other end of the connecting rod (412) is connected with the brake block (413), a second gear (415) is fixedly arranged on the rotating shaft of one pulley (402), the brake block (413) is provided with gear teeth corresponding to the outline of the second gear (415), the bucket (101) can be overturned outwards relative to the bracket (401) when falling, thereby pulling the link (412) to slide on the sliding sleeve (411) so that the brake block (413) abuts against the second gear (415).

5. The bucket elevator as set forth in claim 4, wherein said stopping mechanism (410) further comprises a buffer spring (414), said buffer spring (414) being fitted over said link (412) and located between said brake block (413) and said sliding sleeve (411).

6. Bucket elevator according to claim 5, characterized in that the side of the bucket (101) remote from the braking device (400) is provided with a reinforcement (102).

7. The bucket elevator set forth in claim 6 wherein said sheave (402) is provided with anti-slip threads.

8. The bucket elevator as claimed in claim 1, wherein the bucket elevator comprises a frame (200) and a box body (100), chain wheels (130) are arranged at the upper end and the lower end of the interior of the box body (100), two chains (110) are mounted on the chain wheels (130), a driving mechanism (300) is arranged on the outer side of the box body (100), the driving mechanism (300) is in transmission connection with one of the chain wheels (130), the box body (100) is mounted on the frame (200), and casters (201) are arranged at the four corners of the bottom of the frame (200).

9. The bucket elevator as set forth in claim 8, wherein a fixed support mechanism (210) capable of being adjusted in a lifting manner is further provided at four corners of the bottom of the frame (200).

10. The bucket elevator according to claim 9, wherein the fixed support mechanism (210) comprises a hydraulic cylinder (211), a hydraulic rod of the hydraulic cylinder (211) is disposed vertically downward, and a pad (212) is disposed at a lower end of the hydraulic rod.