CN218542243U

CN218542243U - Novel combine machine of digging with strut function

Info

Publication number: CN218542243U
Application number: CN202223085994.0U
Authority: CN
Inventors: 韩亮龙; 李大垒; 王建; 谢建星
Original assignee: Ningxia Baofeng Energy Group Co ltd
Current assignee: Ningxia Baofeng Energy Group Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-02-28
Anticipated expiration: 2032-11-21

Abstract

The application relates to the technical field of coal mining, and discloses a novel fully-mechanized excavating machine with a supporting function. The comprehensive excavating machine comprises a comprehensive excavating machine body, a movable supporting and protecting plate and a hydraulic system, wherein the movable supporting and protecting plate comprises a top frame beam, the top frame beam is positioned at the top of the comprehensive excavating machine body, two ends of the top frame beam are respectively hinged with a left upper side protecting plate and a right upper side protecting plate, and one side of the top frame beam positioned at the head of the comprehensive excavating machine is hinged with a working face protecting plate; the hydraulic oil station is connected with a plurality of hydraulic oil cylinders through a high-pressure oil pipeline, and the top frame beam contraction oil cylinder, the left side wall protection plate telescopic oil cylinder, the right side wall protection plate telescopic oil cylinder and the working surface wall protection plate telescopic oil cylinder respectively correspond to the top frame beam, the left side wall protection plate, the right side wall protection plate and the working surface wall protection plate. Through the arrangement, the permanent support can help workers to quickly establish the primary support in the roadway and complete the permanent support of the roadway under the shield of the primary support, and after the permanent support is completed, the primary support can be conveniently and quickly dismantled.

Description

Novel combine machine of digging with strut function

Technical Field

The application relates to the technical field of coal mining, in particular to a novel fully-mechanized excavating machine with a supporting function.

Background

At present, after a cycle of cutting of a coal mine underground fully-mechanized excavation face fully-mechanized excavation machine is completed, a front canopy made of seamless steel pipes is mainly used for preliminary supporting, the front end of the front canopy is inserted into a constructed front canopy mounting hole at a position close to a coal seam top plate of the working face by round steel, the rear end of the front canopy is fixed on a top plate reinforcing steel bar net or a steel belt by two rings and hooks, after the front canopy is mounted, an anchor net cable is used for permanently supporting the top plate and two sides of a roadway, and after the permanent supporting is completed, the fully-mechanized excavation machine performs the next cycle operation.

The following problems exist in the prior art:

firstly, before a front canopy is adopted to support a top plate, a hand-held pneumatic coal drill is needed to drill a mounting hole at the end part of the front canopy at the position of a working face coal seam top plate in advance, personnel are in empty top operation during operation, and coal gangue easily falls off from a roadway top plate and a roadway side part to injure people;

secondly, a gap exists between the front canopy and the top plate of the roadway, so that the supporting effect of the top of the roadway is poor, active supports are not arranged on the coal walls of the two sides of the roadway, and the supporting conditions of the inner walls of the two sides of the roadway are poorer;

thirdly, the front canopy is complex in installation and removal operation, multiple persons are needed for cooperation operation, and safety accidents are easily caused.

SUMMERY OF THE UTILITY MODEL

In view of the above problem, this application embodiment provides a novel machine of digging of combining with strutting function, can be safe swift carry out preliminary supporting to the tunnel that the cutting finishes to make the workman can accomplish permanent support to the tunnel under the shield of preliminary support, and after permanent support is accomplished, demolish that preliminary support can be convenient.

According to one aspect of the embodiment of the application, a novel fully-mechanized excavating machine with a supporting function is provided. The novel roadheader with the supporting function comprises a roadheader body, a movable supporting guard plate and a hydraulic system, wherein the movable supporting guard plate comprises a top frame beam, the top frame beam is located at the top of the roadheader body, a left side wall protecting plate and a right side wall protecting plate are hinged to the two ends of the top frame beam respectively, the left side wall protecting plate and the right side wall protecting plate are located on the two sides of the roadheader body respectively, the top frame beam is located on one side of the roadheader head, a working surface protecting plate is hinged to one side of the roadheader head, the hydraulic system comprises a hydraulic oil station, the hydraulic oil station is arranged on the roadheader body, the hydraulic oil station is connected with a plurality of hydraulic oil cylinders through a high-pressure oil pipeline, the hydraulic oil cylinders comprise a top frame beam contraction oil cylinder located at the top of the roadheader body, a left side wall protecting plate telescopic oil cylinder and a right side wall protecting plate telescopic oil cylinder located on the two sides of the roadheader body, and a working surface protecting plate telescopic oil cylinder located at the head of the roadheader body, the top frame beam contraction oil cylinder, the left side wall protecting plate telescopic oil cylinder, the working side wall protecting plate telescopic oil cylinder and the right side wall protecting plate telescopic oil cylinder are located on the header body, and the working surface protecting plate telescopic oil cylinder are located on the top frame beam.

In some embodiments, a vertical limiting groove is formed in the top of the roadheader, a limiting rod corresponding to the limiting groove is connected to the bottom of the top frame beam, and the other end of the limiting rod extends into the limiting groove.

In some embodiments, the hydraulic oil station is connected to the high pressure oil line by a two-position three-way valve, which is also connected to a power system.

In some embodiments, a plurality of binding holes are arranged on the movable support guard plate, and binding wires are connected in the binding spaces.

In some embodiments, the top frame beam comprises a top frame beam body and a telescopic rod, wherein both sides of the top frame beam body are provided with telescopic holes, one end of the telescopic rod is slidably sleeved in the telescopic holes, and the other end of the telescopic rod is hinged to the left upper side protective plate or the right upper side protective plate.

In some embodiments, the top frame beam retracting cylinder, the left upper side protection plate retracting cylinder, the right upper side protection plate retracting cylinder and the working surface side protection plate retracting cylinder are all provided with sliding grooves corresponding to the hydraulic cylinders on the bottom sides, and the retracting ends of the hydraulic cylinders extend into the sliding grooves.

In some embodiments, the top frame beam retracting cylinder, the left upper apron extending cylinder, the right upper apron extending cylinder and the working surface apron extending cylinder are symmetrically arranged.

The beneficial effect in this application is: the method comprises the following steps of firstly checking whether parts and high-pressure oil pipelines of all parts of the roadheader are normal or not, placing a permanently supported steel belt and a steel bar net on a top frame beam, fixing the steel belt and the steel bar net by lead wires, opening a hydraulic oil station, supplying oil to each hydraulic oil cylinder, enabling the top frame beam to contract the oil cylinder to slowly extend out, changing the top frame beam from a folded state into a stable lifting state, lifting to the height and the angle required by the support of a roadway top plate, pressing the steel belt and the steel bar net on the roadway top plate by the top frame beam, stopping operation when the steel belt and the steel bar net are lifted to be in complete contact with the roadway top plate, pushing a left side wall protection plate, a right side wall protection plate and a working surface wall protection plate to be close to the coal wall by the hydraulic oil cylinders in the same method, finally placing an operation handle of the hydraulic oil station at a zero position, and shutting down the roadheader. The operator can support the laneway permanently under the shield of the movable supporting guard plate. And after the permanent support is finished, the hydraulic oil cylinder is controlled again, the hydraulic oil cylinder returns oil, and the movable support guard plate is retracted. Therefore, the roadway after cutting can be safely and quickly preliminarily supported, permanent support can be completed on the roadway by workers under the shield of the preliminary support, and after the permanent support is completed, the preliminary support can be conveniently and quickly detached.

The foregoing description is only an overview of the technical solutions of the present application, and the present application can be implemented according to the content of the description in order to make the technical means of the present application more clearly understood, and the following detailed description of the present application is given in order to make the above and other objects, features, and advantages of the present application more clearly understandable.

Drawings

Various additional advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a schematic overall structure diagram of a novel fully-mechanized excavating machine with a supporting function according to an embodiment of the present application;

FIG. 2 is a schematic view of a partial structure of a movable support guard plate according to an embodiment of the present disclosure;

FIG. 3 is a schematic view of a partial structure of a connection portion between a limiting groove and a limiting rod according to an embodiment of the present invention,

fig. 4 is a partial structural schematic view of a roof beam with a telescopic rod according to an embodiment of the present application.

The reference numerals in the detailed description are as follows:

the novel fully-mechanized excavating machine with the supporting function comprises a novel fully-mechanized excavating machine 100 with a supporting function, a movable supporting and protecting plate 110, a top frame beam 111, a limiting rod 111a, a top frame beam body 111b, a telescopic rod 111c, a left side wall protecting plate 112, a right side wall protecting plate 113, a working surface wall protecting plate 114, a hydraulic oil station 121, a high-pressure oil pipeline 122, a top frame beam contraction oil cylinder 131, a left side wall protecting plate telescopic oil cylinder 132, a right side wall protecting plate telescopic oil cylinder 133, a working surface wall protecting plate telescopic oil cylinder 134, a fully-mechanized excavating machine body 140, a limiting groove 141, a two-position three-way valve 150 and a sliding groove 160.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are merely used to more clearly illustrate the technical solutions of the present application, and therefore are only examples, and the protection scope of the present application is not limited thereby. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof in the description and claims of this application and the description of the figures above, are intended to cover non-exclusive inclusions.

Specifically, for can be safe swift carry out preliminary supporting to the tunnel that the cutting finishes to make the workman can accomplish permanent support to the tunnel under the shield of preliminary supporting, and after permanent support was accomplished, preliminary supporting can convenient demolish. An embodiment of the present application provides a novel fully-mechanized excavating machine with a supporting function, please refer to fig. 1 and fig. 2, fig. 1 is an overall structural schematic diagram of the novel fully-mechanized excavating machine with the supporting function provided in the embodiment of the present application, and fig. 2 is a partial structural schematic diagram of a movable supporting plate provided in the embodiment of the present application. The novel fully-mechanized excavating machine 100 with the supporting function comprises a fully-mechanized excavating machine body 140 (not shown in fig. 1 and 2), a movable supporting and protecting plate 110 and a hydraulic system, wherein the movable supporting and protecting plate 110 is erected on the fully-mechanized excavating machine body 140, and a steel belt and a steel mesh for permanent supporting are bound to the top of the movable supporting and protecting plate. The movable supporting and protecting plate 110 comprises a top frame beam 111, the top frame beam 111 is located at the top of the fully-mechanized excavating machine body 140, two ends of the top frame beam 111 are respectively hinged with a left upper side protecting plate 112 and a right upper side protecting plate 113, the left upper side protecting plate 112 and the right upper side protecting plate 113 are respectively located at two sides of the fully-mechanized excavating machine body 140, the top frame beam 111 corresponds to the top wall of the roadway, and the left upper side protecting plate 112 and the right upper side protecting plate 113 respectively correspond to the left inner wall and the right inner wall of the roadway. After the roof beam 111, the left upper protection plate 112 and the right upper protection plate 113 are jacked up by the hydraulic system, the steel belts and the steel bar meshes bound on the movable support guard plate 110 can be tightly attached to the top wall, the left side wall and the right side wall of the roadway, so that subsequent workers can weave permanent supports through the steel belts and the steel bar meshes conveniently. One side of the top frame beam 111 at the head of the fully-mechanized excavating machine is hinged with a working surface side protection plate 114, and after the working surface side protection plate 114 is jacked up by a hydraulic system, the bottom of the working surface side protection plate forms a safer area for workers to move and carry out work. The hydraulic system comprises a hydraulic oil station 121, the hydraulic oil station 121 is arranged on the fully-mechanized excavating machine body 140, the hydraulic oil station 121 is connected with a plurality of hydraulic oil cylinders through high-pressure oil pipelines 122, in the working process, the hydraulic oil station 121 supplies oil to the hydraulic oil cylinders through the high-pressure oil pipelines 122, and then the movable ends of the hydraulic oil cylinders extend out, so that all positions of the supporting and protecting plates can be jacked up. The hydraulic oil cylinders comprise a top frame beam contraction cylinder 131, a left side wall protection plate expansion cylinder 132, a right side wall protection plate expansion cylinder 133 and a working surface wall protection plate expansion cylinder 134, wherein the top frame beam contraction cylinder 131 is positioned at the top of the fully-mechanized excavating machine body 140, the left side wall protection plate expansion cylinder 132 and the right side wall protection plate expansion cylinder 133 are positioned on two sides of the fully-mechanized excavating machine body 140, and the working surface wall protection plate expansion cylinder 134 is positioned at the head of the fully-mechanized excavating machine body 140. The top frame beam contraction oil cylinder 131, the left upper side protection plate telescopic oil cylinder 132, the right upper side protection plate telescopic oil cylinder 133 and the working surface side protection plate telescopic oil cylinder 134 correspond to the top frame beam 111, the left upper side protection plate 112, the right upper side protection plate 113 and the working surface side protection plate 114 respectively, and after the hydraulic oil cylinders are supplied with oil, the telescopic end face of the top frame beam contraction oil cylinder 131 pushes the top frame beam 111 upwards towards the bottom side of the top frame beam 111 to complete primary support of the top wall of the roadway. The telescopic ends of the left upper side protection plate telescopic oil cylinder 132 and the right upper side protection plate telescopic oil cylinder 133 respectively face the bottom sides of the left upper side protection plate 112 and the right upper side protection plate 113, and the left upper side protection plate 112 and the right upper side protection plate 113 are pushed to rotate around the side edge of the top frame beam 111 after oil supply and then cling to the left inner wall and the right inner wall of the roadway to finish primary support of the left inner wall and the right inner wall of the roadway. The telescopic end of the working face side protection plate telescopic cylinder 134 faces the bottom side of the working face side protection plate 114, after oil is supplied to the telescopic oil tank of the working face side protection plate 114, the working face side protection plate 114 is jacked by the telescopic oil tank of the working face side protection plate 114, and further the working face side protection plate 114 rotates around the top frame beam 111 to be opened.

As can be seen from the above, in the embodiment of the present application, the specific working process is that after the integrated excavator completes one cycle of cutting and coal loading operation, the cutting head is retracted and landed, and the operation is performed according to the following procedures, whether parts of each part of the integrated excavator and the high-pressure oil pipeline 122 are normal is checked, the steel belt and the steel mesh which are permanently supported are placed on the top frame beam 111 and fixed by lead wires, the hydraulic oil station 121 is opened to supply oil to each hydraulic oil cylinder, the top frame beam contraction cylinder 131 slowly extends out, the top frame beam 111 is changed from the folded state to the stable lifted state, the height and the angle which are required for supporting the top plate of the roadway are raised, the steel belt and the steel mesh are tightly pressed on the top plate of the roadway by the top frame beam 111, the operation is stopped when the steel belt and the top plate of the roadway are completely contacted, the left side wall protective plate 112, the right side wall protective plate 113 and the working surface protective plate 114 are pushed to be close to the coal wall by the hydraulic oil cylinders in the same method, and finally the operation handle of the hydraulic oil station 121 is placed at the zero position, and the integrated excavator is locked when the power failure occurs. And (3) under the shield of the movable supporting and protecting plate 110, the operator carries out permanent support on the roadway, after the permanent support is finished, the hydraulic oil cylinder is controlled again, the oil is returned by the hydraulic oil cylinder, and the movable supporting and protecting plate 110 is retracted. In some embodiments, please refer to fig. 3, fig. 3 is a partial structural schematic diagram of a connection portion between the limiting groove 141 and the limiting rod 111a according to the embodiment of the present disclosure. The top of the fully-mechanized excavating machine is provided with a vertical limiting groove 141, the bottom of the top frame beam 111 is connected with a limiting rod 111a corresponding to the limiting groove 141, and the other end of the limiting rod 111a extends into the limiting groove 141. In this application embodiment, through setting up gag lever post 111a for spacing roof beam 111 is being lifted by hydraulic cylinder, and gag lever post 111a slides in spacing groove 141, with this assurance roof beam 111 is lifted by steady perpendicular, avoids rocking about the in-process that lifts.

In some embodiments, hydraulic oil station 121 is connected to high pressure oil line 122 by a two-position, three-way valve 150, and power system is also connected to two-position, three-way valve 150. In the embodiment of the application, a power system (the power system is used for providing power for the movement of the comprehensive excavator) and a plurality of hydraulic oil cylinders share one hydraulic oil station 121, the power system and a plurality of hydraulic oil pumps alternately use the hydraulic oil station 121, and the connection switching of the hydraulic oil station between the power system and the plurality of hydraulic oil pumps is controlled by a two-position three-way valve 150. In the embodiment of the application, as the power system and the hydraulic oil cylinder share the hydraulic oil station 121, when the hydraulic oil pump works, the power system and the hydraulic oil station 121 are in a disconnected state, so that the safety problem caused by the fact that the fully mechanized coal mining machine power system is started in the supporting process can be avoided.

In some embodiments, the movable support guard plate 110 is provided with a plurality of binding holes, and binding wires are connected in the binding space.

In some embodiments, please refer to fig. 4, and fig. 4 is a partial structural schematic view of the top frame beam 111 with the telescopic rod 111c according to the embodiment of the present disclosure. The roof rail 111 includes a roof rail body 111b and an expansion link 111c, both sides of the roof rail body 111b are provided with expansion holes, one end of the expansion link 111c is slidably inserted into the expansion holes, and the other end is hinged to the left upper guard 112 or the right upper guard 113. In the embodiment of the present application, when the hydraulic cylinder pushes the left upper protection plate 112 and the right upper protection plate 113 to move, the telescopic rod 111c slides in the telescopic hole and gradually extends, so as to ensure that the left upper protection plate 112 and the right upper protection plate 113 can be tightly attached to the inner wall of the roadway, and prevent an included angle from being generated between the inner wall of the roadway and the left upper protection plate 112 and the right upper protection plate 113. It should be noted that, in this embodiment of the present application, the connection positions between the hydraulic cylinders and the left upper 112 and the right upper 113 are adjusted to ensure that the telescopic rod 111c slides out preferentially and the left upper 112 and the right upper 113 rotate around the hinge after the telescopic rod 111c slides out.

In some embodiments, the bottom sides of the roof rail retracting cylinder 131, the left upper panel retracting cylinder 132, the right upper panel retracting cylinder 133, and the face panel retracting cylinder 134 are provided with sliding slots 160 corresponding to the hydraulic rams, and the extending ends of the hydraulic rams extend into the sliding slots 160. By arranging the sliding groove, the telescopic end of the hydraulic oil cylinder slides in the sliding groove, so that the left upper side protective plate 112, the right upper side protective plate 113 and the working surface protective plate 114 can keep relative stability in the process of rotating around the top frame beam 111.

In some embodiments, the roof rail retraction cylinder 131, the left upper panel retraction cylinder 132, the right upper panel retraction cylinder 133, and the work surface panel retraction cylinder 134 are all symmetrically disposed. Through the arrangement, the transmission of each telescopic oil cylinder to each part of the movable supporting and protecting plate 110 is more stable.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present disclosure, and the present disclosure should be construed as being covered by the claims and the specification. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present application is not intended to be limited to the particular embodiments disclosed herein, but rather to cover all embodiments falling within the scope of the appended claims.

Claims

1. A novel fully-mechanized excavating machine with a supporting function is characterized by comprising a fully-mechanized excavating machine body, a movable supporting and protecting plate and a hydraulic system, wherein the movable supporting and protecting plate comprises a top frame beam, the top frame beam is positioned at the top of the fully-mechanized excavating machine body, a left upper side protecting plate and a right upper side protecting plate are respectively hinged to two ends of the top frame beam, the left upper side protecting plate and the right upper side protecting plate are respectively positioned on two sides of the fully-mechanized excavating machine body, and a working face side protecting plate is hinged to one side, positioned at the head of the fully-mechanized excavating machine, of the top frame beam;

the hydraulic system comprises a hydraulic oil station, the hydraulic oil station is arranged on the comprehensive excavator body and is connected with a plurality of hydraulic oil cylinders through high-pressure oil pipelines, and the hydraulic oil cylinders comprise a top frame beam contraction oil cylinder positioned at the top of the comprehensive excavator body, a left side wall protecting plate expansion oil cylinder and a right side wall protecting plate expansion oil cylinder positioned at two sides of the comprehensive excavator body and a working surface wall protecting plate expansion oil cylinder positioned at the head of the comprehensive excavator body;

the top frame beam contraction oil cylinder, the left upper side wall protection plate telescopic oil cylinder, the right upper side wall protection plate telescopic oil cylinder and the working surface wall protection plate telescopic oil cylinder correspond to the top frame beam, the left upper side wall protection plate, the right upper side wall protection plate and the working surface wall protection plate respectively.

2. The novel roadheader with the supporting function as claimed in claim 1, wherein a vertical limiting groove is formed in the top of the roadheader, a limiting rod corresponding to the limiting groove is connected to the bottom of the top frame beam, and the other end of the limiting rod extends into the limiting groove.

3. The novel fully-mechanized excavating machine with the supporting function according to claim 1, wherein the hydraulic oil station is connected to the high-pressure oil pipeline through a two-position three-way valve, and the two-position three-way valve is further connected with a power system.

4. The novel fully-mechanized excavating machine with a supporting function according to claim 1, wherein a plurality of binding holes are formed in the movable supporting and protecting plate, and binding wires are connected in the binding holes.

5. The novel fully-mechanized excavating machine with supporting function according to claim 1, wherein the top frame beam comprises a top frame beam body and telescopic rods, telescopic holes are formed in two sides of the top frame beam body, one end of each telescopic rod is slidably sleeved in each telescopic hole, and the other end of each telescopic rod is hinged to the left upper board or the right upper board.

6. The novel fully-mechanized excavating machine with a supporting function according to claim 1, wherein the top frame beam retracting cylinder, the left upper side guard plate retracting cylinder, the right upper side guard plate retracting cylinder and the working surface guard plate retracting cylinder are provided with sliding grooves corresponding to the hydraulic cylinders on bottom sides, and the retracting ends of the hydraulic cylinders extend into the sliding grooves.

7. The novel fully-mechanized excavating machine with a supporting function according to claim 1, wherein the roof beam retracting cylinder, the left upper side panel telescopic cylinder, the right upper side panel telescopic cylinder and the working surface panel telescopic cylinder are symmetrically arranged.