CN220392483U - Bridge type bucket wheel reclaimer with bucket capable of automatically overturning - Google Patents

Abstract

The utility model provides a bridge bucket wheel reclaimer with a bucket capable of automatically overturning, which comprises: the device comprises a bucket wheel device, a traveling device, a bridge steel structure, a traversing trolley steel structure, a bridge type belt conveyor arranged on the bridge steel structure, a material transfer device arranged at the conveying tail end of the bridge type belt conveyor, a supporting roller device, a bucket automatic reversing device and an electric system for controlling the connection of a power source control system of the devices; the automatic bucket reversing device is arranged on two sides of a rotating shaft of the bucket through paired contact type automatic locking mechanisms, a group of locking parts used for being matched with the locking mechanisms are arranged on the side face of the bucket, the locking parts and the corresponding locking mechanisms are matched with a first working position before the bucket is overturned and a second working position after the bucket is overturned, the bucket is overturned automatically depending on the rotation of an existing bucket wheel body driving device, the automatic bucket reversing device can achieve complete automatic reversing, unmanned and intelligent requirements of complete equipment are met, and equipment utilization rate and operation efficiency are greatly improved.

Description

Bridge type bucket wheel reclaimer with bucket capable of automatically overturning

Technical Field

The utility model relates to the technical fields of bulk material loading and unloading machinery, mining machinery and the like, in particular to a bridge bucket wheel reclaimer which is provided with a bucket or other shovel-shaped objects, cups or barrel-shaped objects, and enables a material receiving mechanism to automatically overturn according to the rotation direction of bucket wheel drive.

Background

Bulk cargo loading and unloading in places such as steel mills, wharfs and mines usually use bridge type reclaimers or excavators, and a bidirectional bucket is required to be installed on a material taking (digging) mechanism at the moment so as to realize material taking (digging) operation of the large machine in the forward direction and the backward direction, so that the utilization rate of the material farm and the working efficiency of equipment are improved.

In the mechanism for realizing bucket reversing in a manual mode, the bucket is fixed on a bucket wheel body by a pin shaft or a bolt and the like, the pin shaft or the bolt is required to be manually disassembled during reversing, then the bucket is manually overturned, and the bucket is fixed by the pin shaft or the bolt and the like after overturning in place.

The manual operation is dangerous, and the bridge type double-bucket wheel reclaimer generally has approximately 20 hoppers, so that workers are required to turn each bucket one by one, the consumed time cost is very high, and the working efficiency of the reclaimer is greatly influenced.

Disclosure of Invention

According to the technical problem, the bridge bucket wheel reclaimer with the bucket capable of automatically overturning is provided. The utility model mainly utilizes the bucket position to set a special turnover mechanism, and the bucket is automatically turned over by means of the rotation direction of the bucket wheel driving device, thereby realizing complete automatic reversing.

The utility model adopts the following technical means:

a bridge bucket wheel reclaimer with automatically reversible buckets, comprising:

the device comprises a bucket wheel device, a traveling device, a bridge steel structure, a traversing trolley steel structure, a material rake for sliding materials at a material pile height into a working range of the bucket wheel capable of taking materials, a bridge type belt conveyor arranged on the bridge steel structure, a material transfer device arranged at the conveying tail end of the bridge type belt conveyor, a supporting roller device, a bucket automatic reversing device and an electric system for controlling connection of a power source control system of the devices;

the bridge steel structure is fixed at the upper end of the travelling device;

the transverse trolley steel structure is arranged on the bridge frame steel structure and can reciprocate along the bridge frame steel structure;

the bucket wheel device and the supporting roller device for supporting the bucket wheel body of the bucket wheel device are arranged on the steel structure of the traversing trolley;

the bucket of the bucket wheel device is arranged on the outer cambered surface of the bucket wheel body and is hinged with the bucket wheel body through a rotating shaft;

the bucket automatic reversing device is arranged on the steel structure of the bucket wheel device and is positioned at one side of the bucket wheel device;

the bucket automatic reversing device comprises:

the locking pins are arranged on one side surface of each bucket and are fixed on the outer cambered surface of the bucket wheel body, and the bucket is connected with the bucket wheel body through a rotating shaft, namely, the bucket can rotate around the rotating shaft under the action of external force;

a pair of lock hook devices corresponding to the lock pins are arranged on the outer cambered surface of the bucket wheel, an unlocking mechanism which acts on the lock hook devices to provide power for unlocking the lock hook devices is fixed with the steel structure of the bucket wheel device, and the main body of the unlocking mechanism is an overturning mechanism with extensible length;

the locking part and the locking hook device are in a contact type locking structure, the locking structure is combined, and the locking state of the locking part and the locking hook device which are positioned on the same side relative to the bucket corresponds to the working position of one direction of the bucket;

the extending or unfolding of the turnover mechanism faces to the direction of the bucket, and the two locking parts of the bucket can be blocked along the rotating path of the bucket wheel body after the extension or unfolding of the turnover mechanism, namely, the extending state of the turnover mechanism is blocked and matched with one locking part, so that the rotation of the bucket wheel body can drive the bucket to turn.

Further, the method comprises the steps of,

further comprises: position detecting means for detecting a position of the bucket relative to the steel structure;

the bucket wheel body and the bucket can be conveniently controlled to stop rotating when the bucket wheel body and the bucket reach the overturning position.

Further, the method comprises the steps of,

the two latch hook devices are symmetrically arranged by taking the rotation axis of the bucket as a central line; the positions of the two locking parts are correspondingly arranged with the positions of the locking hook device I and the locking hook device II.

Further, the method comprises the steps of,

the latch hook device is an elastic latch hook, is internally provided with an elastic automatic reset original piece, and is a tension spring, a compression spring, a disc spring, a torsion spring or other automatic reset elastic original pieces; the outer two sides are provided with a lock hook and a lever handle, and the lock hook and the lever handle are rigidly connected together through a pin shaft and are connected with an inner elastic reset element; the lock hook is used for locking the locking part of the bucket, and the lever handle is a pressing action part and is unlocked by pressing down.

Further, the method comprises the steps of,

the extending part of the unlocking mechanism is connected with the steel structure through pitching or sliding ways and a rotating steel frame type, the extending part extends into a reciprocatable steel frame, the extending or unfolding action is realized through driving of a hydraulic cylinder, an air cylinder, an electric cylinder or other executing elements, after the extending part is driven to a designated position, the extending part is pressed on a pressing lever handle of a locking device which needs to be unlocked, and the bucket wheel body continues to rotate, so that the locking part and a lock hook of the bucket overturning locking device are disengaged and unlocked.

Further, the method comprises the steps of,

the tilting mechanism includes: the stop part is used for driving the power part of the stop part to stretch or overturn;

the stop part is connected with the steel structure through a pitching or slideway and a rotating steel frame type and is a steel frame capable of reciprocating, and the power part is driven by a hydraulic cylinder, an air cylinder, an electric cylinder or other executing elements;

after the unlocking mechanism releases the locking part, the bucket wheel body and the bucket continue to rotate, the stopping part stops the locking part near the opening side on the side wall of the bucket, the bucket is turned over by the continued rotation of the bucket wheel body, and the stopping state of the stopping part and the locking part is continued until the bucket is turned over until the gravity center exceeds the vertical line of the weight of the rotating shaft.

Further, the method comprises the steps of,

the bucket wheel body rotates, one side of the stop part is contacted with one side of the locking part, and the stop part lifts the locking part to enable the bucket to start rotating around the rotating shaft; the bucket wheel body continues to rotate, and when the bucket turns over to the point that the gravity center exceeds the vertical line of the weight of the rotating shaft, the locking part of the bucket falling to the other side contacts with the other side of the stop part, so that the bucket is prevented from falling rapidly;

the distance between the two side walls of the stop part and the locking part, which are contacted with each other, is gradually contracted in a conical shape, and the side wall surfaces of the two sides are cambered surfaces.

Compared with the prior art, the utility model has the following advantages:

1. the bucket is provided with only two lock pins/turning pins (locking pins) on the side wall for fixing the lock hook device and turning the special-shaped turning mechanism, so that the structure is simple, the reliability is high, and the inherent shape of the bucket is not changed.

2. The latch hook device is in a mechanical structure, high in reliability, simple in structure and convenient to maintain.

3. The turnover mechanism skillfully utilizes the lock pin/turnover pin on the bucket to realize the turnover of the bucket, and simultaneously can prevent the bucket from freely falling body movement after the gravity center of the bucket exceeds the vertical line of the weight of the rotating shaft, so that the bucket is prevented from impacting, vibrating and noise on the bucket wheel body under the action of gravity, and the lock pin/turnover pin of the turnover mechanism and the bucket do not need precise dimensional matching, thus the turnover mechanism has a complete mechanical structure form and high reliability.

4. The automatic reversing device has the advantages that complete automatic reversing is achieved, unmanned and intelligent use of the hopper reversing device of the whole equipment is achieved, the equipment utilization rate and the operation efficiency can be greatly improved, meanwhile, the workload and the operation time of manual operation are greatly reduced, safety production accidents are completely avoided, and the production capacity of the equipment is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort to a person skilled in the art.

Fig. 1 is a front view of the overall structure of the present utility model.

Fig. 2 is a top view of the overall structure of the present utility model.

FIG. 3 is a schematic view of the overall structure of the bucket position of the present utility model when the bucket is ready to be flipped.

Fig. 4 is a schematic structural view of the stop portion of the tilting mechanism in a stop state.

Fig. 5 is a schematic view showing a structure when the tilting mechanism of the present utility model toggles the locking portion to tilt the bucket.

Fig. 6 is a schematic structural view of the tilting mechanism of the present utility model when the stop portion cooperates with the locking portion to prevent the bucket from being rapidly tilted under its own weight.

In the figure: 1. a bucket wheel device; 2. a running device; 3. a bridge steel structure; 4. a transverse trolley steel structure; 5. a rake 6 and a bridge type belt conveyor; 7. transferring materials; 8. a support roller device; 9. an electrical system;

11. a bucket wheel body; 12. a bucket; 121. a locking pin; 13. a steel structure; 14. a position detecting device;

A. a locking device; 122. a latch hook device I; 123. a latch hook device II;

B. an unlocking mechanism;

C. a turnover mechanism; 200. a stop portion; 201. a power section;

300. and (3) rotating the shaft.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be clear that the dimensions of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model: the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.

As shown in fig. 1, 2 and 3, the present utility model provides a bridge bucket wheel reclaimer in which a bucket can be automatically turned, comprising:

the device comprises a bucket wheel device 1, a running device 2, a bridge steel structure 3, a traversing trolley steel structure 4, a material rake 5 for sliding materials at the high position of a material pile into the working range of the bucket wheel capable of taking materials, a bridge type belt conveyor 6, a material transfer device 7, a supporting roller device 8, a bucket automatic reversing device and an electric system 9 for controlling the connection of a power source control system of the devices;

the bridge steel structure 3 is fixed at the upper end of the running device;

the transverse trolley steel structure 4 is arranged on the bridge steel structure 3 and can reciprocate along the bridge steel structure 3;

the bucket wheel device 1 and a supporting roller device 8 for supporting a bucket wheel body 11 of the bucket wheel device 1 are arranged on a steel structure 4 of the traversing carriage;

the bucket 12 of the bucket wheel device 1 is arranged on the outer cambered surface of the bucket wheel body 11 and hinged with the bucket wheel body 11 through a rotating shaft;

the automatic bucket reversing device is arranged on the steel structure 13 of the bucket wheel device 1 and is positioned on one side of the bucket 12 of the bucket wheel device 1;

the bucket automatic reversing device comprises:

a pair of locking pins 121 provided at one side surface of each bucket 12, fixed to the outer arc surface of the bucket wheel body 11, the bucket 12 being connected to the bucket wheel body 11 through a rotation shaft 300, i.e., the bucket 12 is rotatable about the rotation shaft by an external force;

a pair of latch hook devices A corresponding to the latch pins 121 are arranged on the outer cambered surface of the bucket wheel body 11, an unlocking mechanism B which acts on the latch hook devices A to provide power for unlocking the latch hook devices A, and a turnover mechanism C which is fixed with the steel structure of the bucket wheel device 1 and has a main body with extensible length are arranged on the outer cambered surface of the bucket wheel body;

the locking pin 121 and the locking hook device a are in a contact locking structure, the locking structure is combined, and the locking state of the locking pin 121 and the locking hook device a which are positioned on the same side relative to the bucket 12 corresponds to the working position of one direction of the bucket 12;

the tilting mechanism C is extended or unfolded to face the bucket 12, and the two locking pins 121 of the bucket 12 are blocked from rotating along with the bucket body 11 after being extended or unfolded, that is, the tilting mechanism C is in blocking fit with one of the locking pins 121 in an extended state, so that the bucket body 11 is rotated to drive the bucket 12 to tilt.

Further, the method comprises the steps of,

further comprises: a position detecting device 14 for detecting a position of the bucket 12 relative to the steel structure 13;

facilitating control of the bucket wheel body 11 and bucket 12 to stop rotating when in the flipped position.

Further, the method comprises the steps of,

the two latch hook devices A are symmetrically arranged by taking the rotation axis of the bucket 12 as a central line; the positions of the two locking pins 121 are arranged corresponding to the positions of the locking hook device I122 and the locking hook device II 123.

Further, the method comprises the steps of,

the latch hook device A is an elastic latch hook, and is internally provided with an elastic automatic reset original piece, and is a tension spring, a compression spring, a disc spring, a torsion spring or other automatic reset elastic original pieces; the outer two sides are provided with a lock hook and a lever handle, and the lock hook and the lever handle are rigidly connected together through a pin shaft and are connected with an inner elastic reset element; the latch hook is used for locking the locking pin 121 of the bucket, and the lever handle is a pressing action part and is unlocked by pressing down.

Further, the method comprises the steps of,

the extending part of the unlocking mechanism B is connected with the steel structure 13 through pitching or sliding ways and a rotating steel frame type, the extending part extends into a reciprocatable steel frame, the extending part is driven by a hydraulic cylinder, an air cylinder, an electric cylinder or other executing elements to realize extending or unfolding actions, after being driven to a designated position, the extending part is pressed on a pressing lever handle of the latch hook device A to be unlocked, and the bucket wheel body 11 continues to rotate to enable the locking pin 121 to be disengaged from the latch hook of the bucket overturning latch hook device A.

Further, the method comprises the steps of,

the turning mechanism C includes: a stopping part 200, a power part 201 for driving the stopping part 200 to stretch or turn;

the stop part 200 is connected with the steel structure 13 through a pitching or slideway and a rotating steel frame type, and is a steel frame capable of reciprocating, and the power part 201 is driven by a hydraulic cylinder, a cylinder, an electric cylinder or other executing elements;

after the lock 11 is released by the unlocking mechanism B, the bucket wheel 11 and the bucket 12 continue to rotate, and the stopper 200 stops the lock pin 121 on the side wall of the bucket 12 near the opening, and the bucket 12 is turned over by the continued rotation of the bucket wheel 11, and the stopped state of the stopper 200 and the lock pin 121 continues until the bucket 12 is turned over until the center of gravity exceeds the gravity of the rotation shaft 300 by a plumb line.

Further, the method comprises the steps of,

the bucket wheel 11 rotates, the stop part 200 contacts with the locking pin 121, the stop part 200 lifts the locking pin 121, and the bucket 12 starts to rotate around the rotation shaft 300; the bucket wheel body 111 continues to rotate, and when the bucket 12 turns over to the gravity center exceeding the gravity vertical line of the rotating shaft 300, the locking pin 121 falling to the other side of the bucket 12 contacts with the other side of the stop part 200, so that the bucket 12 is prevented from falling rapidly;

the stopper 200 contacts the locking pin 121 in a tapered shape with a gradually shrinking interval between the side walls, and the side wall surfaces are arc surfaces.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (7)

1. Bridge bucket wheel reclaimer that scraper bowl can overturn automatically, a serial communication port, include:

the automatic bucket reversing device comprises a bucket wheel device (1), a traveling device (2), a bridge steel structure (3), a transverse trolley steel structure (4), a rake (5) for sliding materials at a material pile height into a working range of the bucket wheel capable of taking materials, a bridge type belt conveyor (6) arranged on the bridge steel structure (3), a material transfer device (7) arranged at the conveying tail end of the bridge type belt conveyor (6), a supporting roller device (8), a bucket automatic reversing device and an electric system (9) connected with a power source control system of the control device;

the bridge steel structure (3) is fixed at the upper end of the running device;

the transverse trolley steel structure (4) is arranged on the bridge steel structure (3) and can reciprocate along the bridge steel structure (3);

the bucket wheel device (1) and the supporting roller device (8) for supporting the bucket wheel body (11) of the bucket wheel device (1) are arranged on the steel structure (4) of the traversing trolley;

the bucket (12) of the bucket wheel device (1) is arranged on the outer cambered surface of the bucket wheel body (11) and hinged with the bucket wheel body through a rotating shaft;

the bucket automatic reversing device is arranged on a steel structure (13) of the bucket wheel device (1) and is positioned at one side of a bucket (12) of the bucket wheel device (1);

the bucket automatic reversing device comprises:

a pair of locking pins (121) arranged on one side surface of each bucket (12) and fixed on the outer cambered surface of the bucket wheel body (11), wherein the bucket (12) is connected with the bucket wheel body (11) through a rotating shaft (300), namely the bucket (12) can rotate around the rotating shaft under the action of external force;

a pair of latch hook devices (A) corresponding to the latch pins (121) are arranged on the outer cambered surface of the bucket wheel body (11), an unlocking mechanism (B) which acts on the latch hook devices (A) to provide power for unlocking the latch hook devices is fixed with a steel structure of the bucket wheel device (1), and a main body of the unlocking mechanism is a turnover mechanism (C) with extensible length;

the locking pin (121) and the locking hook device (A) are in a contact type locking structure, the locking structures are combined, and the locking state of the locking pin (121) and the locking hook device (A) which are positioned on the same side relative to the bucket (12) corresponds to the working position of one direction of the bucket (12);

the tilting mechanism (C) stretches or expands and faces towards the bucket (12), and two locking pins (121) which can resist the bucket (12) after stretching or expanding are arranged on a path when the bucket wheel body (11) rotates, namely, the tilting mechanism (C) stretches out and is in blocking fit with one locking pin (121), and the rotation of the bucket wheel body (11) drives the bucket (12) to tilt.

2. A bridge bucket wheel reclaimer with automatically reversible bucket as defined in claim 1, wherein,

further comprises: a position detection device (14) for detecting the position of the bucket (12) relative to the steel structure (13);

the bucket wheel body (11) and the bucket (12) are convenient to control to stop rotating when reaching the overturning position.

3. A bridge bucket wheel reclaimer with automatically reversible bucket as defined in claim 1 or 2, characterized in that,

the two latch hook devices (A) are symmetrically arranged by taking the rotation axis of the bucket (12) as a central line; the positions of the two locking pins (121) are arranged corresponding to the positions of the locking hook device I (122) and the locking hook device II (123).

4. A bridge bucket wheel reclaimer having an automatically reversible bucket as defined in claim 3, wherein,

the latch hook device (A) is an elastic latch hook, and is internally provided with an elastic automatic resetting original piece, and is a tension spring, a compression spring, a disc spring or a torsion spring; the outer two sides are provided with a lock hook and a lever handle, and the lock hook and the lever handle are rigidly connected together through a pin shaft and are connected with an inner elastic reset element; the lock hook is used for locking a locking pin (121) of the bucket, and the lever handle is a pressing action part and is unlocked by pressing down.

5. A bridge bucket wheel reclaimer having an automatically reversible bucket as defined in claim 4, wherein,

the extending part of the unlocking mechanism (B) is connected with the steel structure (13) through pitching or sliding ways and a rotating steel frame type, the extending part extends into a steel frame capable of reciprocating, the extending or unfolding action is realized through driving of a hydraulic cylinder, an air cylinder or an electric cylinder, after the extending part is driven to a designated position, the extending part is pressed on a pressing lever handle of a latch hook device (A) which needs to be unlocked, and the bucket wheel body (11) continues to rotate to enable the locking pin (121) to be unlocked from the latch hook of the latch hook device (A).

6. A bridge bucket wheel reclaimer having an automatically reversible bucket as defined in claim 5, wherein,

the turnover mechanism (C) comprises: the stop part (200) is used for driving the power part (201) of the stop part (200) to stretch or turn over;

the stop part (200) is connected with the steel structure (13) through a pitching or slideway, a rotating steel frame type and is a steel frame capable of reciprocating, and the power part (201) is driven by a hydraulic cylinder, a cylinder and an electric cylinder;

after the unlocking mechanism (B) releases the locking pin (121), the bucket wheel body (11) and the bucket (12) continue to rotate, the stop part (200) blocks the locking pin (121) on the side wall of the bucket (12) close to the opening, the bucket wheel body (11) continues to rotate to turn over the bucket (12), and the blocking state of the stop part (200) and the locking pin (121) is continued until the bucket (12) turns over until the gravity center exceeds the gravity plumb line of the rotating shaft (300).

7. A bridge bucket wheel reclaimer having an automatically reversible bucket as defined in claim 6, wherein,

the bucket wheel body (11) rotates, one side of the stop part (200) is contacted with one side of the locking pin (121), and the stop part (200) lifts the locking pin (121) to enable the bucket (12) to start rotating around the rotating shaft (300); the bucket wheel body (11) continues to rotate, and when the bucket (12) turns over to the gravity center exceeding the heavy vertical line of the rotating shaft (300), a locking pin (121) falling to the other side of the bucket (12) contacts with the other side of the stop part (200), so that the bucket (12) is prevented from falling rapidly;

the distance between the two side walls of the stop part (200) and the locking pin (121) is gradually contracted in a conical shape, and the two side wall surfaces are cambered surfaces.