CN216143516U

CN216143516U - Make things convenient for height-adjusting's mining machinery strutting arrangement

Info

Publication number: CN216143516U
Application number: CN202122067087.2U
Authority: CN
Inventors: 张笛
Original assignee: Quzhou Zhichen Mechanical Equipment Co ltd
Current assignee: Zhejiang Kaizuan Machinery Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-03-29
Anticipated expiration: 2031-08-30

Abstract

The application discloses make things convenient for height-adjusting's mining machinery strutting arrangement, including supporting the medium plate and adjusting the structure, it includes the hydraulic pressure lift jar to adjust the structure, hydraulic pressure lift jar rigid coupling is in supporting the medium plate top, it is provided with spacing subassembly to support medium plate one side, hydraulic pressure lift jar top rigid coupling roof support, the roof support has been seted up and has been accomodate the groove, accomodate groove lateral wall rigid coupling fixed column, fixed column surface sliding connection sliding plate, sliding plate one side rigid coupling connecting plate, the first mounting panel of connecting plate one side rigid coupling, first mounting panel and roof support bottom all are provided with supporting component. This application can adjust strutting arrangement's holding surface size through sliding plate, connecting plate and first mounting panel isotructure, is convenient for support the mining machinery of equidimension not, enlarges strutting arrangement's application scope.

Description

Make things convenient for height-adjusting's mining machinery strutting arrangement

Technical Field

The application relates to the field of coal mines, in particular to a mining machinery supporting device with the height convenient to adjust.

Background

The mining machinery is a machine directly used for mineral mining, enrichment and other operations, including mining machinery and mineral separation machinery, the working principle and structure of the prospecting machinery are mostly the same as or similar to those of mining machinery used for mining similar minerals, in a broad sense, the prospecting machinery also belongs to the mining machinery, in addition, a large number of cranes, conveyors, ventilators, drainage machinery and the like are also applied in the mining operation, the mining machinery industry is one of important basic industries for providing equipment for mining and processing of solid raw materials, materials and fuels, the mining machinery industry serves important basic industrial departments such as black and colored metallurgy, coal, building materials, chemical industry, nuclear industry and the like, and products of the mining machinery also have a large number of applications in the basic construction of basic departments such as transportation, railways, buildings, water conservancy and hydropower and the like.

At present, the supporting device for the mining machinery is difficult to adjust the supporting surface according to the size of the mining machinery, so that the application range of the supporting device is small, and the use of the mining machinery is inconvenient. Therefore, the mining machine supporting device with the height conveniently adjusted is provided for solving the problems.

Disclosure of Invention

The mining machinery supporting device with the height convenient to adjust is provided in the embodiment and is used for solving the problems that the existing supporting device for the mining machinery in the prior art is difficult to adjust the supporting surface according to the size of the mining machinery, so that the application range of the supporting device is small, and the mining machinery is inconvenient to use.

According to an aspect of the application, a make things convenient for height-adjusting's mining machinery strutting arrangement is provided, including supporting the medium plate and adjusting the structure, it includes hydraulic lift jar to adjust the structure, hydraulic lift jar rigid coupling is in supporting the medium plate top, it is provided with spacing subassembly to support medium plate one side, hydraulic lift jar top rigid coupling roof support, roof support has seted up and has accomodate the groove, accomodate groove lateral wall rigid coupling fixed column, fixed column surface sliding connection sliding plate, sliding plate one side rigid coupling connecting plate, connecting plate one side rigid coupling first mounting panel, first mounting panel and roof support bottom all are provided with supporting component.

Further, the supporting component is including adjusting the post, the equal rigid coupling in first mounting panel and supporting roof bottom has the regulation post, adjust toe end rigid coupling regulating plate, regulating plate top rigid coupling supporting spring, supporting spring rigid coupling is in fixed sleeve inner chamber lateral wall, it has four fixed sleeves that are the distribution of rectangle structure to support medium plate top rigid coupling.

Further, spacing subassembly includes first movable plate, first movable plate sliding connection is in supporting medium plate inner chamber lateral wall, first movable plate one side rigid coupling first spliced pole, first spliced pole surface sliding connection second movable plate, second movable plate one side rigid coupling second spliced pole, second spliced pole surface and first movable plate sliding connection, the equal rigid coupling of first spliced pole and second spliced pole one end has the second mounting panel.

Further, the second mounting panel top rigid coupling has two symmetric distribution's fixed sleeve, first sliding hole and second sliding hole have been seted up respectively to support medium plate both sides, first spliced pole one end runs through first sliding hole and extends to support medium plate one side, second spliced pole one end runs through the second sliding hole and extends to support the medium plate opposite side.

Further, a plurality of storage grooves are formed in the top of the middle support plate, two symmetrically distributed fixing columns are fixedly connected to the side walls of the storage grooves, two symmetrically distributed sliding plates are slidably connected to the surfaces of the fixing columns, and connecting plates are fixedly connected to the opposite sides of the sliding plates.

Further, the auxiliary structure comprises a lifting cylinder, the lifting cylinder is fixedly connected to the bottom of the support middle plate, an auxiliary plate is fixedly connected to the bottom of the lifting cylinder, a fixed pin is fixedly connected to the bottom of the auxiliary plate, the auxiliary plate is slidably connected to the surface of a positioning column, the positioning column is fixedly connected to the bottom of the support middle plate, the bottom of the positioning column is fixedly connected to the support bottom plate, reinforcing columns are fixedly connected to four corners of the top of the support bottom plate, the reinforcing columns are fixedly connected to the bottom of the support middle plate, and sliding wheel sets are fixedly connected to four corners of the bottom of the reinforcing columns.

Furthermore, two symmetrically distributed reinforcing columns are fixedly connected to the bottom of the second mounting plate, a third mounting plate is fixedly connected to the bottom of the reinforcing column located at the bottom of the second mounting plate, and two symmetrically distributed third mounting plates are fixedly connected to the bottom of the third mounting plate.

Further, the top of the supporting base plate is fixedly connected with four positioning columns distributed in a rectangular structure, the four corners of the bottom of the auxiliary plate are fixedly connected with fixing pins, the supporting base plate is provided with a communication port, and the bottom end of each fixing pin penetrates through the communication port and extends to the lower side of the supporting base plate.

Through the above-mentioned embodiment of this application, adopted the size of fixed column, connecting plate and first mounting panel isotructure regulation holding surface, solved present a strutting arrangement for mining machinery be difficult to adjust the holding surface according to mining machinery's size, make strutting arrangement's application scope less, the mining machinery's of not being convenient for use problem is convenient for support the mining machinery of equidimension not, enlarges strutting arrangement's application scope.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is an overall perspective view of one embodiment of the present application;

FIG. 2 is an overall internal schematic view of an embodiment of the present application;

FIG. 3 is a schematic top view of an adjustment mechanism according to an embodiment of the present application;

FIG. 4 is a schematic top view of a spacing assembly according to an embodiment of the present application;

fig. 5 is an enlarged view of a portion a in fig. 2 according to an embodiment of the present disclosure.

In the figure: 1. support medium plate, 2, hydraulic lifting cylinder, 3, supporting top plate, 4, fixed column, 5, sliding plate, 6, connecting plate, 7, first mounting panel, 8, adjusting column, 9, adjusting plate, 10, supporting spring, 11, fixed sleeve, 12, first movable plate, 13, first connecting column, 14, second movable plate, 15, second connecting column, 16, second mounting panel, 17, lifting cylinder, 18, auxiliary plate, 19, fixed pin, 20, positioning column, 21, supporting baseplate, 22, reinforcing column, 23, sliding wheel group, 24, third mounting panel.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

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

The support device in this embodiment may be adapted for use in various mining machines, for example, in the present embodiment a roadway mining machine is provided, and the support device in this embodiment may be used in a roadway mining machine as follows.

The roadway mining machine comprises a fixed plate, four corners of the bottom of the fixed plate are fixedly connected with the top end of a supporting column, the bottom end of the supporting column penetrates through the fixed column and extends into the fixed column, the bottoms of the left side and the right side of the supporting column are fixedly connected with one end of a fixed rod, the other end of the fixed rod penetrates through the fixed column and extends to the outer side of the fixed column, the fixed column and the fixed rod are provided with a groove matched with the fixed rod, so that the supporting column can drive the fixed rod to move along the groove, the stability is improved, a fixing ring is sleeved on the surface of the fixed rod and positioned on the outer side of the fixed column, a hole is formed in the bottom of the supporting column, a supporting block is arranged inside the hole, the top of the supporting block is provided with a first spring, one end of the first spring is fixedly connected with the top of the supporting block, and the other end of the first spring is fixedly connected with the top end of the hole, through the action of the first spring, the support column is effectively buffered, the bottom of the support block is fixedly connected with the top of the pressure rod, the bottom of the pressure rod penetrates through the shock absorber and extends to the inside of the shock absorber to be fixedly connected with the top of the pressing block, a stop block is arranged at the opening of the shock absorber, a round hole matched with the pressure rod is formed at the joint of the stop block and the pressure rod, so that the position of the pressure rod is limited, the stability of the action of the pressure rod is effectively improved, hydraulic oil is arranged inside the shock absorber and at the bottom of the pressing block, a sealing ring is arranged on the outer ring of the pressing block, the outer ring of the sealing ring is slidably connected with the inner wall of the shock absorber, the buffering performance of the shock absorber is effectively prevented from being influenced by leakage of the hydraulic oil through a gap between the pressing block and the shock absorber, the bottom of the shock absorber is fixedly connected with the bottom of the inside of the fixing column, the bottom of the fixing column is fixedly connected with the top of the base, fixing seats are fixedly installed on the left side and the right side of the top of the base, a sliding rod is arranged between the two fixed seats, a movable block and a second spring are sleeved on the surface of the sliding rod, a rod hole matched with the sliding rod is formed in the joint of the movable block and the sliding rod, the inner wall of the rod hole is a smooth curved surface, friction between the movable block and the sliding rod is reduced, the movable block can conveniently slide along the surface of the sliding rod, one end of the second spring is fixedly connected with the right side of the movable block, the other end of the second spring is fixedly connected with the left side of the right fixed seat, the movable block can conveniently and stably slide along the surface of the sliding rod under the action of elastic force of the second spring, a first connecting seat is arranged at the top of the movable block, the first connecting seat is movably connected with one end of the movable rod, the other end of the movable rod is movably connected with a second connecting seat, the movable block is driven by the movable rod to slide along the surface of the sliding rod under the action of the second spring, and vibration received by the fixed plates is effectively buffered, the top of second connecting seat and the bottom fixed connection of fixed plate, the top of fixed plate is provided with the mining machine body. The working principle is as follows: during the use, when the mining machine body that is located the fixed plate top when the during operation produces vibrations, move through first spring to the supporting shoe, make the depression bar drive the briquetting and move hydraulic oil for the support column passes through the dead lever and moves along the fixed column is stable, and drives the movable block through the movable rod and slide along the slide bar surface under the effect of second spring, finally effectively cushions the vibrations that the fixed plate received.

Of course, the present embodiment may be used with mining machines of other configurations. Here, a description is omitted, and the supporting device according to the embodiment of the present application is described below.

Referring to fig. 1-5, a mining machinery supporting device convenient for height adjustment includes a supporting middle plate 1 and an adjusting structure, the adjusting structure includes a hydraulic lifting cylinder 2, the hydraulic lifting cylinder 2 is fixedly connected to the top of the supporting middle plate 1, a limiting component is arranged on one side of the supporting middle plate 1, a supporting top plate 3 is fixedly connected to the top of the hydraulic lifting cylinder 2, a storage groove is formed in the supporting top plate 3, a fixing column 4 is fixedly connected to a side wall of the storage groove, a sliding plate 5 is slidably connected to the surface of the fixing column 4, a connecting plate 6 is fixedly connected to one side of the sliding plate 5, a first mounting plate 7 is fixedly connected to one side of the connecting plate 6, and supporting components are arranged at the bottoms of the first mounting plate 7 and the supporting top plate 3.

The supporting surface size of the supporting device can be adjusted through the sliding plate 5, the connecting plate 6, the first mounting plate 7 and the like, so that mining machinery with different sizes can be supported conveniently, the application range of the supporting device is enlarged, and meanwhile, the height of the supporting top plate 3 and the like can be adjusted conveniently through the hydraulic lifting cylinder 2 and the like, so that the mining machinery can be supported conveniently.

The supporting assembly comprises an adjusting column 8, the bottoms of the first mounting plate 7 and the supporting top plate 3 are fixedly connected with the adjusting column 8, the bottom end of the adjusting column 8 is fixedly connected with an adjusting plate 9, the top of the adjusting plate 9 is fixedly connected with a supporting spring 10, the supporting spring 10 is fixedly connected with the side wall of the inner cavity of a fixed sleeve 11, the top of the supporting middle plate 1 is fixedly connected with four fixed sleeves 11 distributed in a rectangular structure, and the moving tracks of the supporting top plate 3 and the first mounting plate 7 and the like can be limited through the supporting assembly; the limiting assembly comprises a first moving plate 12, the first moving plate 12 is slidably connected to the side wall of the inner cavity of the middle supporting plate 1, one side of the first moving plate 12 is fixedly connected with a first connecting column 13, the surface of the first connecting column 13 is slidably connected with a second moving plate 14, one side of the second moving plate 14 is fixedly connected with a second connecting column 15, the surface of the second connecting column 15 is slidably connected with the first moving plate 12, one end of each of the first connecting column 13 and the second connecting column 15 is fixedly connected with a second mounting plate 16, the first mounting plate 7 can be conveniently supported through the limiting assembly, and the supporting device can more stably support mining machinery when in use; two symmetrically distributed fixing sleeves 11 are fixedly connected to the top of the second mounting plate 16, a first sliding hole and a second sliding hole are respectively formed in two sides of the middle support plate 1, one end of the first connecting column 13 penetrates through the first sliding hole and extends to one side of the middle support plate 1, and one end of the second connecting column 15 penetrates through the second sliding hole and extends to the other side of the middle support plate 1; the top of the supporting middle plate 1 is provided with a plurality of accommodating grooves, the side walls of the accommodating grooves are fixedly connected with two symmetrically distributed fixed columns 4, the surfaces of the fixed columns 4 are connected with two symmetrically distributed sliding plates 5 in a sliding manner, the opposite sides of the two sliding plates 5 are fixedly connected with connecting plates 6, the moving tracks of the sliding plates 5 and other structures can be limited through the fixed columns 4, and the sliding plates 5 and other structures can be adjusted conveniently; the auxiliary structure comprises a lifting cylinder 17, wherein the lifting cylinder 17 is fixedly connected to the bottom of a support middle plate 1, an auxiliary plate 18 is fixedly connected to the bottom of the lifting cylinder 17, a fixing pin 19 is fixedly connected to the bottom of the auxiliary plate 18, the auxiliary plate 18 is slidably connected to the surface of a positioning column 20, the positioning column 20 is fixedly connected to the bottom of the support middle plate 1, a support bottom plate 21 is fixedly connected to the bottom of the positioning column 20, reinforcing columns 22 are fixedly connected to four corners of the top of the support bottom plate 21, the reinforcing columns 22 are fixedly connected to the bottom of the support middle plate 1, sliding wheel sets 23 are fixedly connected to four corners of the bottom of the reinforcing columns 22, and the support device can be fixed through the auxiliary structure, so that the position of the support device is prevented from moving when the support device is used, and the use of mining machinery is prevented from being influenced; two symmetrically distributed reinforcing columns 22 are fixedly connected to the bottom of the second mounting plate 16, a third mounting plate 24 is fixedly connected to the bottom of the reinforcing column 22 positioned at the bottom of the second mounting plate 16, two symmetrically distributed third mounting plates 24 are fixedly connected to the bottom of the third mounting plate 24, and the middle support plate 1, the second mounting plate 16 and other structures can be supported through the reinforcing columns 22; the utility model discloses a mine machinery's supporting device, including supporting baseplate 21, 19, the bottom of supporting baseplate is equipped with four reference columns 20 that are the distribution of rectangle structure, the equal rigid coupling in auxiliary plate 18 bottom four corners department has fixed pin 19, supporting baseplate 21 has seted up the intercommunication mouth, 19 bottom of fixed pin run through the intercommunication mouth and extend to supporting baseplate 21 below, can prescribe a limit to the removal orbit such as auxiliary plate 18 and fixed pin 19 through reference column 20, can be convenient for fix strutting arrangement through fixed pin 19 isotructures, prevent that strutting arrangement position when using from taking place to remove and influence mine machinery's use.

When the mining machine is used, the electric elements appearing in the mining machine are externally connected with a power supply and a control switch, the support device can be conveniently moved through the sliding wheel set 23, then the first mounting plate 7 is moved according to the size of the mining machine, so that the connecting plate 6 is driven to move, the sliding plate 5 is driven to move along the fixed column 4, the positions of the sliding plate 5, the connecting plate 6 and the first mounting plate 7 are adjusted, the size of a supporting surface of the support device is adjusted, the mining machines with different sizes can be conveniently supported, the corresponding adjusting columns 8 and the fixed sleeves 11 can be driven to move in the same direction when the first mounting plate 7 moves, so that the second mounting plate 16 is driven to move in the same direction, the first connecting columns 13 and the second connecting columns 15 are respectively driven to move, and at the moment, the first moving plate 12 and the second moving plate 14 can be driven to respectively move in the same direction along the second connecting columns 15 and the first connecting columns 13, the first mounting plate 7 is supported by the structures such as the first moving plate 12, the first connecting column 13, the second moving plate 14 and the second connecting column 15, so that the mining machinery is supported by the structures such as the first mounting plate 7 and the supporting top plate 3 more stably, then the height of the structures such as the supporting top plate 3 can be adjusted by the hydraulic lifting cylinder 2, so that the mining machinery can be used conveniently, the adjusting column 8 and the adjusting plate 9 can be driven to move when the height of the supporting top plate 3 and the first mounting plate 7 is adjusted, at the moment, the moving track of the structures such as the supporting top plate 3 can be limited by the structures such as the adjusting column 8 and the supporting spring 10, so that the height of the structures such as the supporting top plate 3 can be adjusted conveniently, then the lifting cylinder 17 is used for driving the auxiliary plate 18 to move downwards along the positioning column 20, so as to drive the fixing pin 19 to move downwards, so that the fixing pin 19 is inserted into the ground, so that a person can fix the supporting device by the fixing pin 19, the position of the supporting device is prevented from moving when the supporting device is used, and the influence on the use of the mining machinery is prevented.

The application has the advantages that:

1. the supporting device is compact in structure, the size of the supporting surface of the supporting device can be adjusted through the sliding plate, the connecting plate, the first mounting plate and the like, mining machinery with different sizes can be conveniently supported, the application range of the supporting device is expanded, meanwhile, the height of the supporting top plate and the like can be conveniently adjusted through the hydraulic lifting cylinder and the like, and the mining machinery can be conveniently supported;

2. this application is rational in infrastructure, and the strutting arrangement's that can be convenient for removal through slip wheelset isotructure, user lift cylinder and accessory plate isotructure can adjust the position of fixed pin, are convenient for utilize the fixed pin to fix strutting arrangement, prevent that strutting arrangement from taking place the displacement and influencing mining machinery's use when using.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a make things convenient for height-adjusting's mining machinery strutting arrangement which characterized in that: including supporting medium plate (1) and adjusting structure, adjust the structure and include hydraulic lifting cylinder (2), hydraulic lifting cylinder (2) rigid coupling is in supporting medium plate (1) top, it is provided with spacing subassembly to support medium plate (1) one side, hydraulic lifting cylinder (2) top rigid coupling supporting roof (3), supporting roof (3) have been seted up and have been accomodate the groove, accomodate groove lateral wall rigid coupling fixed column (4), fixed column (4) surface sliding connection sliding plate (5), sliding plate (5) one side rigid coupling connecting plate (6), connecting plate (6) one side rigid coupling first mounting panel (7), first mounting panel (7) and supporting roof (3) bottom all are provided with supporting component.

2. The mining machine supporting device with the height convenient to adjust as claimed in claim 1, wherein: the supporting component comprises adjusting columns (8), adjusting columns (8) are fixedly connected to the bottom of the first mounting plate (7) and the bottom of the supporting top plate (3), adjusting columns (8) are fixedly connected to adjusting plates (9) at the bottom ends of the adjusting columns (8), supporting springs (10) are fixedly connected to supporting springs (9) at the top of the adjusting plates, the supporting springs (10) are fixedly connected to inner cavity side walls of the fixing sleeves (11), and the supporting middle plate (1) is fixedly connected to the top of the fixing sleeves (11) which are distributed in a rectangular structure.

3. The mining machine supporting device with the height convenient to adjust as claimed in claim 1, wherein: the limiting component comprises a first moving plate (12), the first moving plate (12) is slidably connected to the side wall of the inner cavity of the support middle plate (1), a first connecting column (13) is fixedly connected to one side of the first moving plate (12), a second moving plate (14) is slidably connected to the surface of the first connecting column (13), a second connecting column (15) is fixedly connected to one side of the second moving plate (14), the surface of the second connecting column (15) is slidably connected with the first moving plate (12), and a second mounting plate (16) is fixedly connected to one ends of the first connecting column (13) and the second connecting column (15).

4. The mining machine supporting device with the height convenient to adjust as claimed in claim 3, wherein: second mounting panel (16) top rigid coupling has two symmetric distribution's fixed sleeve (11), first sliding hole and second sliding hole have been seted up respectively to support medium plate (1) both sides, first spliced pole (13) one end runs through first sliding hole and extends to support medium plate (1) one side, second spliced pole (15) one end runs through the second sliding hole and extends to support medium plate (1) opposite side.

5. The mining machine supporting device with the height convenient to adjust as claimed in claim 1, wherein: support medium plate (1) top and seted up a plurality of and accomodate the groove, accomodate the equal rigid coupling of groove lateral wall and have two symmetric distribution's fixed column (4), fixed column (4) surface sliding connection has two symmetric distribution's sliding plate (5), and two the equal rigid coupling in one side that sliding plate (5) carried on the back mutually has connecting plate (6).

6. The mining machine supporting device with the height convenient to adjust as claimed in claim 1, wherein: including auxiliary structure, auxiliary structure includes lift cylinder (17), lift cylinder (17) rigid coupling is in support medium plate (1) bottom, lift cylinder (17) bottom rigid coupling accessory plate (18), accessory plate (18) bottom rigid coupling fixed pin (19), accessory plate (18) sliding connection is in reference column (20) surface, reference column (20) rigid coupling in support medium plate (1) bottom, reference column (20) bottom rigid coupling supporting baseplate (21), the equal rigid coupling in of supporting baseplate (21) top four corners department has enhancement post (22), enhancement post (22) and support medium plate (1) bottom rigid coupling, enhancement post (22) bottom four corners department rigid coupling has slip wheelset (23).

7. The mining machine supporting device with the height convenient to adjust as claimed in claim 3, wherein: the reinforcing column structure is characterized in that two symmetrically-distributed reinforcing columns (22) are fixedly connected to the bottom of the second mounting plate (16), a third mounting plate (24) is fixedly connected to the bottom of the reinforcing column (22) located at the bottom of the second mounting plate (16), and two symmetrically-distributed third mounting plates (24) are fixedly connected to the bottom of the third mounting plate (24).

8. The mining machine supporting device with the height convenient to adjust as claimed in claim 6, wherein: supporting baseplate (21) top rigid coupling has four reference columns (20) that are the distribution of rectangle structure, the equal rigid coupling in accessory plate (18) bottom four corners department has fixed pin (19), the intercommunication mouth has been seted up in supporting baseplate (21), fixed pin (19) bottom is run through the intercommunication mouth and is extended to supporting baseplate (21) below.