CN219990246U - Protective cover device of reversed loader and reversed loader - Google Patents

Abstract

The utility model provides a protective cover device of a reversed loader and the reversed loader, wherein the protective cover device of the reversed loader comprises: a first cover; the second cover body is arranged on one side of the first cover body, and can move relative to the first cover body to have a shielding position contacted with the first cover body and a maintenance position separated from the first cover body; the driving piece drives the second cover body to switch between a shielding position and a maintenance position; the guide structure comprises a guide rod and a guide cylinder sleeved outside the guide rod, one of the guide rod and the guide cylinder is arranged on the first cover body, the other one of the guide rod and the guide cylinder is arranged on the second cover body, and the guide rod is in guide fit with the guide cylinder. The technical scheme of the utility model effectively solves the problem that the shield device is required to be lifted when the chain wheel assembly is replaced in the related technology.

Description

Protective cover device of reversed loader and reversed loader

Technical Field

The utility model relates to the field of engineering equipment, in particular to a protective cover device of a reversed loader and the reversed loader.

Background

In order to ensure that the coal falling at the unloading point of the transfer conveyor is stable and controllable, and simultaneously ensure the operation safety of the area when the chain wheel assembly rotates, the transfer conveyor comprises the chain wheel assembly and a shield device covered outside the chain wheel assembly.

The sprocket assembly needs to be replaced in the field when a specified coal passing amount is reached or damaged by other factors. Every time the sprocket assembly is replaced, an external device is required to lift and move the shield apparatus to a position that does not interfere with the replacement of the sprocket assembly. When the shield device is lifted and moved, the required operation space is larger, the operation is also more troublesome, and the potential safety hazard of colliding with the moved shield exists for on-site staff.

Disclosure of Invention

The utility model mainly aims to provide a protective cover device of a reversed loader and the reversed loader, so as to solve the problem that the protective cover device needs to be lifted when a chain wheel assembly is replaced in the related art.

In order to achieve the above object, according to one aspect of the present utility model, there is provided a shroud device of a reversed loader, comprising: a first cover; the second cover body is arranged on one side of the first cover body, and can move relative to the first cover body to have a shielding position contacted with the first cover body and a maintenance position separated from the first cover body; the driving piece drives the second cover body to switch between a shielding position and a maintenance position; the guide structure comprises a guide rod and a guide cylinder sleeved outside the guide rod, one of the guide rod and the guide cylinder is arranged on the first cover body, the other one of the guide rod and the guide cylinder is arranged on the second cover body, and the guide rod is in guide fit with the guide cylinder.

Further, the guide rod is arranged on the first cover body, and when the guide cylinder is arranged on the second cover body, the guide rod is positioned on the outer side of the first cover body, and the guide cylinder is positioned on the outer side of the second cover body.

Further, the number of the guide structures is two, and the two guide structures are arranged on two sides of the driving piece.

Further, the first end of guide bar welds in the outside of first cover body, and the second end of guide bar towards the second cover body protrusion in first cover body, and the guide cylinder welds on the second cover body, and the guide cylinder is apart from the one end of second cover body towards first cover body and predetermines the distance.

Further, a first connecting portion is arranged on the first cover body, a second connecting portion is arranged on the second cover body, and a fastener is connected in the first connecting portion and the second connecting portion so that the second cover body is kept at a shielding position.

Further, the driving piece comprises a cylinder body and a telescopic rod, the cylinder body is fixedly connected to the first cover body, the telescopic rod is fixedly connected to the second cover body, and the telescopic rod extends out of or retracts from the cylinder body towards the second cover body.

Further, the shield device further comprises a pump body, a first pipeline and a second pipeline which are communicated between the pump body and the cylinder body, and a reversing valve arranged on the first pipeline and the second pipeline.

Further, a bidirectional hydraulic lock is arranged on the first pipeline and the second pipeline, and the bidirectional hydraulic lock is positioned between the reversing valve and the cylinder body.

Further, a third pipeline is communicated with the first pipeline, the third pipeline is positioned between the pump body and the reversing valve, and a safety valve is arranged on the third pipeline; the first pipeline is provided with a one-way valve and a pressure gauge, the one-way valve is positioned between the outlet of the pump body and the communication position of the first pipeline and the third pipeline, and the pressure gauge is positioned between the communication position of the first pipeline and the third pipeline and the reversing valve; and a filter is arranged on the second pipeline and is positioned between the reversing valve and the inlet of the pump body.

According to another aspect of the utility model, there is provided a reversed loader comprising a sprocket assembly and a cover device covering the outside of the sprocket assembly, wherein the cover device is the cover device of the reversed loader.

By applying the technical scheme of the utility model, the protective cover device of the reversed loader comprises: the device comprises a first cover body, a second cover body, a driving piece and a guiding structure. The second cover is disposed on one side of the first cover, and is movable relative to the first cover to have a blocking position in contact with the first cover and a maintenance position separated from the first cover. The driving member drives the second cover body to switch between a shielding position and a maintenance position. Thus, when the sprocket assembly needs to be replaced, the driving member drives the second cover to move so as to separate the second cover from the first cover, thereby facilitating the operator to enter the shield device to replace the sprocket assembly. When the reversed loader is normally used, the second cover body is in contact with the first cover body so as to shield the chain wheel assembly of the reversed loader. The guide structure comprises a guide rod and a guide cylinder sleeved outside the guide rod. One of the guide rod and the guide cylinder is arranged on the first cover body, and the other of the guide rod and the guide cylinder is arranged on the second cover body. The guide rod is in guide fit with the guide cylinder. The arrangement of the guide structure can play a role in guiding the movement of the second cover body when the second cover body moves relative to the first cover body, so that the second cover body can be smoothly switched between the shielding position and the maintenance position. The guide rod and the wire guide cylinder are simple in structure and convenient to process. By applying the technical scheme of the embodiment, when the sprocket assembly is replaced, the driving piece is used for translating the second cover body, so that the problem that the shield device needs to be lifted in the related art is avoided. Therefore, the technical scheme of the utility model effectively solves the problem that the shield device is required to be lifted when the chain wheel assembly is replaced in the related art.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

fig. 1 shows a perspective schematic view of an embodiment of a shroud device of a reversed loader according to the utility model;

fig. 2 shows a schematic connection diagram of the first, second and third pipes of the shroud device of the transfer machine of fig. 1.

Wherein the above figures include the following reference numerals:

10. a first cover;

20. a second cover;

30. a driving member; 31. A cylinder; 32. A telescopic rod;

40. a guide structure; 41. A guide rod; 42. A guide cylinder;

50. a fastener;

61. a pump body; 62. a reversing valve; 63. a two-way hydraulic lock; 64. a safety valve; 65. a one-way valve; 66. a pressure gauge; 67. a filter;

71. a first pipeline; 72. a second pipeline; 73. and a third pipeline.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but 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 understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered 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.

As shown in fig. 1, by applying the technical solution of the present embodiment, the shroud device of the reversed loader includes: the first housing 10, the second housing 20, the driving member 30, and the guide structure 40. The second cover 20 is provided at one side of the first cover 10, and the second cover 20 is movable with respect to the first cover 10 to have a shielding position contacting the first cover 10 and a maintenance position separated from the first cover 10. The driver 30 drives the second casing 20 to switch between the shielding position and the maintenance position. The guide structure 40 includes a guide rod 41 and a guide cylinder 42 sleeved outside the guide rod 41. One of the guide bar 41 and the guide cylinder 42 is provided on the first casing 10, and the other of the guide bar 41 and the guide cylinder 42 is provided on the second casing 20. The guide bar 41 is in guide engagement with the guide cylinder 42.

By applying the technical scheme of the embodiment, the protecting cover device of the reversed loader comprises: the first housing 10, the second housing 20, the driving member 30, and the guide structure 40. The second cover 20 is provided at one side of the first cover 10, and the second cover 20 is movable with respect to the first cover 10 to have a shielding position contacting the first cover 10 and a maintenance position separated from the first cover 10. The driver 30 drives the second casing 20 to switch between the shielding position and the maintenance position. Thus, when the sprocket assembly needs to be replaced, the driving member 30 drives the second cover 20 to move so as to separate the second cover 20 from the first cover 10, thereby facilitating the operator to enter the hood device to replace the sprocket assembly. When the transfer machine is normally used, the second cover 20 contacts the first cover 10 to shield the sprocket assembly of the transfer machine. The guide structure 40 includes a guide rod 41 and a guide cylinder 42 sleeved outside the guide rod 41. The guide bar 41 is provided on the first casing 10, and the guide cylinder 42 is provided on the second casing 20. The guide bar 41 is in guide engagement with the guide cylinder 42. The guide structure 40 is provided to guide the movement of the second cover 20 when the second cover 20 moves relative to the first cover 10, so that the second cover 20 can be smoothly switched between the shielding position and the maintenance position. The guide bar 41 and the wire guide cylinder are simple in structure and convenient to process. By applying the technical scheme of the embodiment, when the sprocket assembly is replaced, the driving piece 30 is used for translating the second cover body 20, so that the problem that the shield device needs to be lifted in the related art is avoided. Therefore, the technical scheme of the embodiment effectively solves the problem that the shield device is required to be lifted when the chain wheel assembly is replaced in the related art.

In an embodiment not shown, the guide cylinder is provided on the first housing and the guide rod is provided on the second housing.

As shown in fig. 1, the guide bar 41 is provided on the first casing 10, and when the guide cylinder 42 is provided on the second casing 20, the guide bar 41 is positioned outside the first casing 10, and the guide cylinder 42 is positioned outside the second casing 20. Thus, the guide rod 41 is convenient to process and install on the outer side of the first cover body 10, the guide cylinder 42 is convenient to process and install on the outer side of the second cover body 20, the operation of operators is convenient, and the working efficiency is improved.

In the present embodiment, the driving member 30 is disposed outside the first casing 10 and the second casing 20.

As shown in fig. 1, the number of the guide structures 40 is two, and the arrangement of the two guide structures 40 can perform better guiding function when the second cover 20 moves. The two guide structures 40 are disposed at both sides of the driving member 30 to make the stress of the second cover 20 more uniform when guided by the guide structures 40, so that the second cover 20 can move smoothly.

As shown in fig. 1, a first end of the guide rod 41 is welded on the outer side of the first cover body 10, and a second end of the guide rod 41 protrudes from the first cover body 10 toward the second cover body 20, so that the guide rod 41 protruding from the first cover body 10 can be in guide fit with the guide cylinder 42 on the second cover body 20. The guide cylinder 42 is welded on the second cover 20, and the guide cylinder 42 is spaced from one end of the second cover 20, which faces the first cover 10, by a preset distance, so that the second cover 20 is more uniformly stressed when being guided by the guide structure 40, and the second cover 20 is prevented from swinging when moving, so that the second cover 20 can be better guided by the guide structure 40, and the movement of the second cover 20 is smoother.

In this embodiment, the guide bar 41 is preferably a channel steel having a length of 2 meters, and the guide cylinder 42 is preferably 0.3 meter in length. The length of the welding part between the channel steel and the first cover body 10 is preferably 0.5 meter, and the length of the second end of the channel steel protruding out of the first cover body 10 towards the second cover body 20 is preferably 1.5 meter.

As shown in fig. 1, a first connection portion is provided on the first cover 10, and a second connection portion is provided on the second cover 20. The fastener 50 is connected in the first connecting portion and the second connecting portion, so that the second cover 20 is kept at a shielding position, and the second cover 20 can be kept in contact with the first cover 10 when the reversed loader works normally, thereby avoiding the situation that the second cover 20 is separated from the first cover 10 due to misoperation of operators, and improving the safety of the protecting cover device. The first and second connection portions facilitate placement of the fastener 50.

As shown in fig. 1, the driving member 30 includes a cylinder 31 and a telescopic rod 32, the cylinder 31 is fixedly connected to the first casing 10, the telescopic rod 32 is fixedly connected to the second casing 20, and the telescopic rod 32 is extended or retracted from the cylinder 31 toward the second casing 20. The driving piece 30 has simple structure, convenient processing, reduced production cost and reliable use. In this embodiment, the driving member 30 is preferably a hydraulic telescopic cylinder.

As shown in fig. 2, the shield device further includes a pump body 61, first and second pipes 71 and 72 that communicate between the pump body 61 and the cylinder body 31, and a reversing valve 62 provided on the first and second pipes 71 and 72. The pump body 61 is capable of powering the medium in the first and second lines 71, 72. The arrangement of the reversing valve 62 facilitates switching the flow direction of the medium in the cylinder 31 and the telescopic rod 32 so that the telescopic cylinder can be extended or retracted from within the cylinder 31 towards the second housing 20 so that the second housing 20 can be switched between the shielding position and the maintenance position.

In this embodiment, the reversing valve 62 is preferably a two-position four-way valve. The reversing valve 62 can be remotely controlled to further enhance the safety of the operator when the second housing 20 is moved.

As shown in fig. 2, the first pipeline 71 and the second pipeline 72 are provided with a bidirectional hydraulic lock 63, and the bidirectional hydraulic lock 63 is located between the reversing valve 62 and the cylinder 31, so that when the pump body 61 does not provide power, the pressure of the medium in the cylinder 31 and the telescopic rod 32 is not changed, and the telescopic piece of the driving piece 30 is prevented from moving to drive the second cover 20 to move when the sprocket assembly is replaced, and the safety of operators is ensured.

As shown in fig. 2, a third pipeline 73 is connected to the first pipeline 71, the third pipeline 73 is located between the pump body 61 and the reversing valve 62, and a safety valve 64 is provided on the third pipeline 73. The relief valve 64 is arranged such that the pressure of the medium to which the driver 30 is subjected does not exceed a preset pressure value of the relief valve 64, so as to increase the service life of the driver 30. The first pipeline 71 is provided with a check valve 65 and a pressure gauge 66, the check valve 65 is positioned between the outlet of the pump body 61 and the communication position of the first pipeline 71 and the third pipeline 73, and the pressure gauge 66 is positioned between the communication position of the first pipeline 71 and the third pipeline 73 and the reversing valve 62. The check valve 65 is arranged to control the flow of the medium in the first line 71 in one direction and the pressure gauge 66 is arranged to detect the pressure of the medium in the first line 71 in real time. The second conduit 72 is provided with a filter 67, the filter 67 being located between the reversing valve 62 and the inlet of the pump body 61. The filter 67 is provided to filter the medium flowing in the first and second pipes 71 and 72 to filter impurities in the medium so that the driving member 30 can be smoothly and reliably operated.

The utility model also provides a transfer conveyor, which comprises a chain wheel assembly and a shield device covered outside the chain wheel assembly, wherein the shield device is the shield device of the transfer conveyor. The shield device of the reversed loader can solve the problem that the shield device needs to be lifted when the chain wheel assembly is replaced in the related art, so that the reversed loader with the shield device can solve the same technical problem.

With the technical solution of the present embodiment, the operator controls the reversing valve 62 to make the driving member 30 drive the second cover 20, so as to make the second cover 20 translate. The labor intensity of operators is reduced, the working space of the operators is increased, the potential safety hazard of the operators is greatly reduced, the time required by replacing the sprocket assembly is reduced, the working efficiency of replacing the sprocket assembly is improved, and a powerful guarantee is provided for replacing the sprocket assembly.

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.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A shroud device for a transfer machine, comprising:

a first cover (10);

a second cover (20) provided on one side of the first cover (10), the second cover (20) being movable relative to the first cover (10) to have a blocking position in contact with the first cover (10) and a maintenance position separated from the first cover (10);

a driving member (30) for driving the second cover (20) to switch between the shielding position and the maintenance position;

the guide structure (40) comprises a guide rod (41) and a guide cylinder (42) sleeved outside the guide rod (41), one of the guide rod (41) and the guide cylinder (42) is arranged on the first cover body (10), the other of the guide rod (41) and the guide cylinder (42) is arranged on the second cover body (20), and the guide rod (41) is in guide fit with the guide cylinder (42).

2. The transfer machine cover device according to claim 1, wherein the guide bar (41) is provided on the first cover (10), and the guide cylinder (42) is provided on the second cover (20), the guide bar (41) being located outside the first cover (10), and the guide cylinder (42) being located outside the second cover (20).

3. The transfer machine guard device according to claim 2, characterized in that the number of guide structures (40) is two, two guide structures (40) being arranged on both sides of the drive member (30).

4. The transfer machine cover device according to claim 2, wherein a first end of the guide rod (41) is welded to the outer side of the first cover body (10), a second end of the guide rod (41) protrudes from the first cover body (10) toward the second cover body (20), the guide cylinder (42) is welded to the second cover body (20), and the guide cylinder (42) is spaced from an end of the second cover body (20) toward the first cover body (10) by a predetermined distance.

5. The transfer machine cover device according to claim 1, wherein a first connecting portion is provided on the first cover body (10), a second connecting portion is provided on the second cover body (20), and a fastener (50) is connected to the first connecting portion and the second connecting portion to hold the second cover body (20) in the shielding position.

6. The transfer machine cover device according to claim 1, wherein the driving member (30) includes a cylinder (31) and a telescopic rod (32), the cylinder (31) is fixedly connected to the first cover (10), the telescopic rod (32) is fixedly connected to the second cover (20), and the telescopic rod (32) extends from the cylinder (31) toward the second cover (20) or retracts.

7. The transfer machine shroud device according to claim 6, further comprising a pump body (61), a first pipe (71) and a second pipe (72) communicating between the pump body (61) and the cylinder body (31), and a reversing valve (62) provided on the first pipe (71) and the second pipe (72).

8. The transfer machine shroud device according to claim 7, characterized in that the first and second pipes (71, 72) are provided with a two-way hydraulic lock (63), the two-way hydraulic lock (63) being located between the reversing valve (62) and the cylinder (31).

9. The transfer machine cover device according to claim 8, wherein,

a third pipeline (73) is communicated with the first pipeline (71), the third pipeline (73) is positioned between the pump body (61) and the reversing valve (62), and a safety valve (64) is arranged on the third pipeline (73);

the first pipeline (71) is provided with a one-way valve (65) and a pressure gauge (66), the one-way valve (65) is positioned between the outlet of the pump body (61) and the communication position of the first pipeline (71) and the third pipeline (73), and the pressure gauge (66) is positioned between the communication position of the first pipeline (71) and the third pipeline (73) and the reversing valve (62);

the second pipeline (72) is provided with a filter (67), and the filter (67) is positioned between the reversing valve (62) and the inlet of the pump body (61).

10. A reversed loader comprising a sprocket assembly and a shield device covered outside the sprocket assembly, characterized in that the shield device is a shield device of the reversed loader according to any one of claims 1 to 9.