Cantilever crane type bucket wheel machine movable guide chute capable of screening

Abstract

A cantilever crane type bucket wheel machine movable guide chute capable of screening is installed on the upper portion of one end of a cantilever crane belt conveyor through a gate-type support, the cantilever crane type bucket wheel machine movable guide chute comprises turnover guide chutes and a screening component, the turnover guide chutes are arranged in the gate-type support and arranged on the two sides of the cantilever crane belt conveyor, and the screening component is arranged on the gate-type support. The turnover guide groove comprises two movable groove plates which are respectively connected with the door-type bracket through a first electric actuating mechanism, and the first electric actuating mechanism is used for driving the movable groove plates to switch between an inclined guide state and a horizontal storage state; the screening component is arranged at the top of the outer side of the door-type support and located at the feeding port of the turnover guide groove, the screening component is connected with the door-type support through a second electric executing mechanism, and the second electric executing mechanism can drive the screening component to shield or open the feeding port. The large block removing function and the material guide groove lifting function can be achieved at the same time, and the problem that the large block removing function and the material guide groove lifting function cannot coexist can be solved.

Description

Technical Field

[0001] The utility model relates to a cantilever bucket wheel stacker and reclaimer, in particular to a movable material guide trough of a sieving arm-type bucket wheel machine, belonging to the technical field of bulk material loading and unloading equipment. Background Art

[0002] Bucket wheel stacker and reclaimer is a bucket wheel machine for short. It is a complete set of equipment for efficient and continuous loading, unloading and conveying of bulk materials widely used in large material yards such as ports, mines, power plants, etc. Bucket wheel stacker and reclaimer is divided into two types according to the structure: boom type and bridge type. Among them, the boom type bucket wheel machine has the advantages of wider operating range, more flexible working structure and lower site requirements, and has become the most widely used structural type at present.

[0003] Working principle of arm-type bucket wheel excavator: There are two operation modes: stacking and retrieving. The bulk material transported by the belt conveyor is unloaded to the belt conveyor on the arm through the tail car, and thrown from the front end of the arm to the material yard. Through the operation of the whole machine, the rotation and pitching of the arm can make the material pile form a neat trapezoidal cross-section. Retrieving is achieved continuously through the rotation of the arm and the rotation of the bucket wheel. The material is unloaded to the arm belt conveyor running in the reverse direction through the unloading plate, and then unloaded to the belt conveyor in the material yard through the funnel under the center of the machine. Through the operation of the whole machine, the rotation and pitching of the arm can make the bucket wheel take out all the materials in the storage pile.

[0004] The existing arm-type bucket wheel excavator is equipped with a material guide chute at the arm-type belt conveyor. First, most of them are fixed structures. During the stacking process, materials are easily spilled when passing through the material guide chute, which not only causes material waste and affects the normal production, but also requires a lot of manpower for on-site cleaning.

[0005] Secondly, there is a lack of settings and functions for pre-screening of materials. Since materials have different qualities and particle sizes, when large pieces of material enter the system from such a diversion trough, it will increase the loss of downstream equipment and even cause equipment damage and system crash.

[0006] Some of the existing material guide troughs are movable structures, such as the patents with publication numbers CN205169859U and CN212531461U. Their movable material guide troughs can be flipped or lifted under unilateral drive, but they still cannot remove large pieces of material, and the movable mode of the material guide trough limits the space for further expanding this function. Summary of the invention

[0007] In order to overcome the above-mentioned deficiencies in the related art, the utility model provides a screenable arm-type bucket wheel excavator movable material guide chute, which can simultaneously realize the large block removal function and the material guide chute lifting function, and can solve the problem that the large block removal function and the material guide chute lifting function cannot coexist.

[0008] The technical solution adopted by the utility model to solve its technical problems is:

[0009] A movable guide trough of a boom-type bucket wheel machine capable of screening is installed on the upper part of one end of a boom-type belt conveyor through a door-type bracket, and the movable guide trough of the boom-type bucket wheel machine comprises:

[0010] A reversible material guide trough, the reversible material guide trough is arranged inside the gantry support and arranged on both sides of the arm belt conveyor, the reversible material guide trough comprises two movable trough plates respectively connected to the gantry support through a first electric actuator, the first electric actuator is used to drive the movable trough plates to switch between an inclined material guiding state and a horizontal storage state;

[0011] A screening component is arranged on the outer top of the gantry bracket and located at the feeding port of the flippable material guide trough. The screening component is connected to the gantry bracket through a second electric actuator, and the second electric actuator can drive the screening component to cover or open the feeding port.

[0012] As for the movable material guiding trough as described above, optionally, the screening component comprises a screen plate provided with a replaceable screen, and the screen hole size of the screen is configured according to the size of the bulk material to be screened out.

[0013] As the movable material guide trough as described above, optionally, the second electric actuator includes an electric push rod, a steering arm and a rotating shaft, the fixed end of the electric push rod is hinged to the portal bracket through a connecting plate, the movable end of the electric push rod is hinged to one end of the steering arm, the other end of the steering arm is fixedly connected to the end of the rotating shaft, the rotating shaft is also rotatably mounted on the portal bracket through a connecting seat, and the rotating shaft is also fixedly connected to the side of the screen plate.

[0014] As for the movable material guiding trough as described above, optionally, the reversible material guiding trough also includes a fixed trough plate arranged on the top of the inner side of the door-type bracket, and the fixed trough plate can be connected with the movable trough plate in the inclined material guiding state as a whole.

[0015] As for the movable material guide trough as described above, optionally, the first electric actuator includes an electric telescopic rod, one end of the electric telescopic rod is hinged to the portal bracket, and the other end of the electric telescopic rod is hinged to the first connecting part of the movable trough plate, and the portal bracket above the electric telescopic rod is also provided with a horizontal cantilever extending inward, and the front end of the horizontal cantilever is fixed with a support column hinged to the second connecting part of the movable trough plate, the second connecting part is arranged at one end of the movable trough plate close to the fixed trough plate, and the first connecting part is arranged on the inner side of the second connecting part.

[0016] With the help of the above technical solution, the movable guide chute of a sieving arm-type bucket wheel excavator of the utility model can at least achieve the following beneficial effects:

[0017] The movable material guide chute of the arm-type bucket wheel excavator of the utility model realizes the lifting function of the material guide chute and meets the demand for preventing material spillage by arranging a flippable material guide chute and utilizing the first electric actuator to drive the double-sided flipping of two movable trough plates; and also by arranging a screening component, large pieces of material entering the material guide chute can be removed, which is beneficial to protecting downstream equipment; at the same time, the position and working state of the screening component can be switched by utilizing the second electric actuator, so as to facilitate further unloading of the screened large pieces of material to the designated position of the material yard according to needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0019] Figure 1 The utility model is a schematic diagram of the installation structure of a movable guide chute of an arm-type bucket wheel excavator in one embodiment.

[0020] Figure 1 Meaning of the reference numerals:

[0021] 10- movable guide trough of arm-type bucket wheel machine; 11- reversible guide trough; 111- movable trough plate; 1111- first connecting part; 1112- second connecting part; 112- first electric actuator; 1121- electric telescopic rod; 113- fixed trough plate; 12- screening member; 121- sieve plate; 122- second electric actuator; 1221- electric push rod; 1222- steering arm; 1223- rotating shaft;

[0022] 20-arm belt conveyor; 21-gantry bracket; 211-connecting plate; 212-connecting seat; 213-horizontal cantilever; 2131-support column. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the protection scope of the utility model.

[0024] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the protection scope of the utility model.

[0025] In the related art, the arm-type bucket wheel excavator is provided with a guide trough at the arm-type belt conveyor. When the guide trough is fixedly provided above the arm-type belt conveyor, the position of the guide trough cannot be changed when used for stacking and retrieving materials, and the material overflow or pear material is easy to occur at the guide trough, resulting in material waste, affecting the normal production, and increasing the manpower and financial resources for cleaning. When the whole can be flipped or lifted on one side, although the lifting function of the guide trough to prevent pear material can be realized, like the fixed guide trough, it cannot also have the function of removing large pieces of material, which has the disadvantage of affecting the service life of downstream equipment and even affecting the normal operation of the system.

[0026] In view of this, the embodiment of the utility model aims to provide a screenable arm-type bucket wheel machine movable guide chute 10, which is installed on the upper part of one end of the arm-type belt conveyor 20 through a door bracket 21, and the arm-type bucket wheel machine movable guide chute 10 includes:

[0027] A reversible material guide trough 11, which is arranged inside the gantry support 21 and on both sides of the arm belt conveyor 20. The reversible material guide trough 11 includes two movable trough plates 111 respectively connected to the gantry support 21 through a first electric actuator 112. The first electric actuator 112 is used to drive the movable trough plates 111 to switch between an inclined material guiding state and a horizontal storage state;

[0028] The screening component 12 is arranged on the outer top of the gantry bracket 21 and is located at the feeding port of the flip material guide chute 11. The screening component 12 is connected to the gantry bracket 21 through a second electric actuator 122. The second electric actuator 122 can drive the screening component 12 to cover or open the feeding port.

[0029] In this embodiment, the movable trough plates 111 on both sides of the flippable material guide trough 11 are driven to flip individually by the corresponding first electric actuator 112 to realize the switching between the inclined material guiding state and the horizontal storage state. In the inclined material guiding state, the two movable trough plates 111 are combined into a bucket-shaped posture, which can guide the material to the arm belt conveyor 20. In the horizontal storage state, the two movable trough plates 111 are folded into a horizontal posture respectively, which can achieve the goal of lifting without pearing the material, and also avoid the problem of being unable to set the screening component 12 above the material guide trough due to the lifting of the material guide trough.

[0030] Optionally, the screening component 12 described in this embodiment includes a screen plate 121 provided with a replaceable screen, and the size of the screen holes of the screen is configured according to the size of the bulk material to be screened out.

[0031] In this embodiment, the screening component 12 can be driven by the second electric actuator 122 to cover or open the feed port. When the screening component 12 covers the feed port, the incoming material will be pre-screened before entering the material guide chute. Due to the different quality and particle sizes of the materials, a suitable screen can be selected and configured on the screen plate 121 according to the size of the large block materials to be removed, so that the large block materials can be screened out based on the size of the screen holes of the screen plate 121. When the screening component 12 opens the feed port, it corresponds to the change in the position of the screen plate 121, which is used to unload the screened large block materials, and can further be connected to other conveying mechanisms to unload them to the designated position of the material yard.

[0032] Optionally, the second electric actuator 122 described in this embodiment includes an electric push rod 1221, a steering arm 1222 and a rotating shaft 1223. The fixed end of the electric push rod 1221 is hinged to the portal bracket 21 through the connecting plate 211, and the movable end of the electric push rod 1221 is hinged to one end of the steering arm 1222. The other end of the steering arm 1222 is fixedly connected to the end of the rotating shaft 1223. The rotating shaft 1223 is also rotatably installed on the portal bracket 21 through the connecting seat 212. At the same time, the rotating shaft 1223 is also fixedly connected to the side of the screen plate 121.

[0033] During specific implementation, the telescopic movement of the electric push rod 1221 drives the steering arm 1222 to rotate in a directional manner along with the rotating shaft 1223. When rotating outward, the screen plate 121 is pushed to a position to open the feed inlet; when rotating inward, the screen plate 121 is pulled to a position to cover the feed inlet.

[0034] Optionally, the reversible material guiding chute 11 described in this embodiment further includes a fixed chute plate 113 disposed on the top inner side of the door bracket 21 , and the fixed chute plate 113 can be connected to the movable chute plate 111 in the inclined material guiding state as a whole.

[0035] The flipping space requirement of the movable trough plate 111 limits the size of the movable trough plate 111, reducing the overall usable size of the material guiding trough, which inevitably leads to a reduced material guiding effect. The flippable material guiding trough 11 spliced ​​with the fixed trough plate 113 and the movable trough plate 111 overcomes this shortcoming and ensures a larger material guiding specification while meeting the flipping requirements.

[0036] Optionally, the first electric actuator 112 described in this embodiment includes an electric telescopic rod 1121, one end of the electric telescopic rod 1121 is hinged to the portal bracket 21, and the other end of the electric telescopic rod 1121 is hinged to the first connecting portion 1111 of the movable slot plate 111, and the portal bracket 21 above the electric telescopic rod 1121 is also provided with a horizontal cantilever 213 extending inward, and the front end of the horizontal cantilever 213 is fixed with a support column 214 hinged to the second connecting portion 1112 of the movable slot plate 111, the second connecting portion 1112 is arranged at one end of the movable slot plate 111 close to the fixed slot plate 113, and the first connecting portion 1111 is arranged on the inner side of the second connecting portion 1112.

[0037] During specific implementation, the electric telescopic rod 1121 is extended and retracted, and in conjunction with the rotation point provided by the support column 214, the electric telescopic rod 1121 is extended, and the end of the movable trough plate 111 close to the arm belt conveyor 20 is lifted and rotated counterclockwise around the rotation point until it is in a horizontal state. The electric telescopic rod 1121 is shortened, and the end of the movable trough plate 111 close to the arm belt conveyor 20 is lowered and rotated clockwise around the rotation point until it reaches an inclined state of the material guide.

[0038] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0039] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] It should be noted that in the description of the present utility model, the terms "first" and "second" are only used to facilitate the description of different components, and cannot be understood as indicating or implying a sequential relationship, relative importance, or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features.

[0041] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in the field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A movable guide trough of a sieving arm-type bucket wheel machine, which is installed on the upper part of one end of an arm-type belt conveyor through a door-type bracket, characterized in that: The movable guide trough of the arm-type bucket wheel excavator comprises: A reversible material guide trough, the reversible material guide trough is arranged inside the gantry support and arranged on both sides of the arm belt conveyor, the reversible material guide trough comprises two movable trough plates respectively connected to the gantry support through a first electric actuator, the first electric actuator is used to drive the movable trough plates to switch between an inclined material guiding state and a horizontal storage state; A screening component is arranged on the outer top of the gantry bracket and located at the feeding port of the flippable material guide trough. The screening component is connected to the gantry bracket through a second electric actuator, and the second electric actuator can drive the screening component to cover or open the feeding port.

2. The movable guide chute of a sieving arm-type bucket wheel excavator according to claim 1, characterized in that: The screening component comprises a screen plate provided with a replaceable screen, and the size of the screen holes of the screen is configured according to the size of the bulk material to be screened out.

3. The movable guide chute of a sieving arm-type bucket wheel excavator according to claim 2, characterized in that: The second electric actuator includes an electric push rod, a steering arm and a rotating shaft. The fixed end of the electric push rod is hinged to the portal bracket through a connecting plate, and the movable end of the electric push rod is hinged to one end of the steering arm. The other end of the steering arm is fixedly connected to the end of the rotating shaft. The rotating shaft is also rotatably installed on the portal bracket through a connecting seat, and the rotating shaft is also fixedly connected to the side of the screen plate.

4. A screenable boom-type bucket wheel excavator movable guide chute according to claim 2 or 3, characterized in that: The reversible material guiding trough also includes a fixed trough plate arranged on the top of the inner side of the door-type bracket, and the fixed trough plate can be connected with the movable trough plate in the inclined material guiding state to form a whole.

5. The movable guide chute of a sieving arm-type bucket wheel excavator according to claim 4, characterized in that: The first electric actuator includes an electric telescopic rod, one end of which is hinged to the portal bracket, and the other end of which is hinged to the first connecting portion of the movable slot plate. The portal bracket above the electric telescopic rod is also provided with a horizontal cantilever extending inwardly, and a support column hinged to the second connecting portion of the movable slot plate is fixed to the front end of the horizontal cantilever. The second connecting portion is arranged at one end of the movable slot plate close to the fixed slot plate, and the first connecting portion is arranged on the inner side of the second connecting portion.

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