CN215566037U - Hydraulic support and mining system - Google Patents
Hydraulic support and mining system Download PDFInfo
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- CN215566037U CN215566037U CN202121751665.8U CN202121751665U CN215566037U CN 215566037 U CN215566037 U CN 215566037U CN 202121751665 U CN202121751665 U CN 202121751665U CN 215566037 U CN215566037 U CN 215566037U
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Abstract
The utility model provides a hydraulic support and a mining system, wherein the hydraulic support comprises: a base; one end of the connecting rod assembly is hinged with the base; the top beam is hinged with the other end of the connecting rod assembly; one end of the driving part is hinged with the base, and the other end of the driving part is hinged with the connecting rod assembly; the driving part is used for driving the connecting rod assembly to move and driving the top beam to rise or fall relative to the base. According to the hydraulic support, in the working process, the connecting rod assembly is adopted for transmission, so that the stroke variation of the driving part can be converted into the height variation of the top beam relative to the base, and the conversion rate is high, so that the top beam can generate larger height variation relative to the base under the condition that the stroke variation of the driving part is smaller, the stroke of the driving part is reduced while the operation requirement is met, the production cost of the hydraulic support can be reduced, and the working efficiency of the hydraulic support is improved.
Description
Technical Field
The utility model relates to the technical field of engineering machinery, in particular to a hydraulic support and a mining system.
Background
In the related art, in order to adapt to the wide range of mining height change of the hydraulic support, the upright column is usually a two-stage hydraulic oil cylinder and needs to have a large stroke, so that the stroke of the upright column is wasted when large-mining-height working surface operation is carried out.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving or improving at least one of the technical problems of the prior art.
To this end, a first aspect of the utility model provides a hydraulic mount.
A second aspect of the utility model provides a mining system.
In view of this, according to a first aspect of the present invention, there is provided a hydraulic mount, comprising: a base; one end of the connecting rod assembly is hinged with the base; the top beam is hinged with the other end of the connecting rod assembly; one end of the driving part is hinged with the base, and the other end of the driving part is hinged with the connecting rod assembly; the driving part is used for driving the connecting rod assembly to move and driving the top beam to rise or fall relative to the base.
The hydraulic support comprises a base, a connecting rod assembly, a top beam and a driving part, wherein the base can provide mounting positions and reliable support for other assemblies in the hydraulic support, and the stability of the hydraulic support in working is ensured. One end of the driving part is hinged to the base, and the other end of the driving part is hinged to the connecting rod assembly, so that the driving part can output power to the connecting rod assembly to drive the connecting rod assembly to move. Simultaneously, the one end of link assembly sets up to articulate mutually with the base, and the other end sets up to articulate mutually with the back timber to when link assembly produced the motion under the drive of drive division, can drive the back timber simultaneous movement, make the back timber rise or reduce for the base, and then realize the adjustment of hydraulic support overall height, make hydraulic support can switch between lifting state and withdrawal state, make hydraulic support's overall height can satisfy the operation requirement of fully mechanized working face.
In addition, in the working process of the driving part, the stroke variation of the driving part can be converted into the height variation of the top beam relative to the base by adopting the connecting rod assembly for transmission, and the conversion rate is higher, so that compared with a mode of directly driving the top beam to move by adopting the driving part, the hydraulic support provided by the utility model can enable the top beam to generate larger height variation relative to the base under the condition of smaller stroke variation of the driving part, and further can adopt equipment with smaller stroke as the driving part of the hydraulic support when working in a large mining height working face, so that the stroke of the driving part is reduced while the operation requirement is met, the stroke waste of the driving part is avoided, the production cost of the hydraulic support can be reduced, and the working efficiency of the hydraulic support is improved.
In addition, according to the hydraulic support in the above technical solution provided by the present invention, the following additional technical features may also be provided:
in the above technical solution, further, the link assembly includes: the supporting beam comprises a first connecting end and a second connecting end, and the first connecting end is hinged with the base; the inclined beam comprises a third connecting end and a fourth connecting end, the third connecting end is hinged with the second connecting end, and the fourth connecting end is hinged with the top beam; wherein, one end of the driving part is connected with the second connecting end and the third connecting end through a composite hinge.
In the technical scheme, the connecting rod assembly comprises a supporting beam and an oblique beam. Wherein, a supporting beam is including first link and second link, the sloping is including third link and fourth link, first link is articulated mutually with the base, second link and third link are articulated mutually, the fourth link is articulated mutually with the back timber, and the one end of drive division and second link and third link pass through compound hinged joint in a department, through this connected mode, the drive division can be to a supporting beam and sloping output power simultaneously, promote the drive effect to link assembly, and then the back timber can be when link assembly moves, produce the altitude variation for the base, realize hydraulic support's altitude mixture control. Meanwhile, the structural form of the connecting rod assembly is relatively simple, the implementation is easy, and the production cost of the hydraulic support can be further controlled.
In any of the above technical solutions, further, the driving part includes a telescopic end and a cylinder end, the cylinder end is hinged with the base, and the telescopic end is connected with the second connecting end and the third connecting end through a composite hinge; the driving part carries out telescopic motion relative to the cylinder body end through the telescopic end so as to drive the supporting beam and the inclined beam to move and drive the top beam to rise or fall relative to the base.
In the technical scheme, the driving part comprises a telescopic end and a cylinder body end, the cylinder body end is hinged to the base, the telescopic end can stretch out and draw back relative to the cylinder body end, and the telescopic end is hinged to the second connecting end and the third connecting end through a composite hinge, so that the telescopic end of the driving part can drive the supporting beam, the oblique beam and the top beam to perform scissor movement when performing telescopic movement relative to the cylinder body end, and further the top beam is lifted or lowered relative to the base. Specifically, when the telescopic end extends out relative to the cylinder body end, the top beam is driven by the supporting beam and the inclined beam to be lifted relative to the base, so that the hydraulic support enters a lifting state; when the telescopic end retracts relative to the cylinder body end, the top beam is driven by the supporting beam and the inclined beam to be lowered relative to the base, so that the hydraulic support enters a retracting state. Simultaneously, articulate flexible end, second link and third link in a department, also can make the support intensity of junction promote by a wide margin, further improved hydraulic support's support effect, improved hydraulic support's security and reliability.
In any of the above technical solutions, further, the hydraulic support further includes: one end of the shield assembly is hinged with the top beam, and the other end of the shield assembly is movably connected with the base.
In the technical scheme, the hydraulic support further comprises a shield assembly, one end of the shield assembly is hinged to the top beam, and the other end of the shield assembly is movably connected to the base, so that in the working process of the hydraulic support, on one hand, part of pressure born by the top beam can be transmitted to the base through the shield assembly, the load of the top beam is reduced, and the service life of the hydraulic support is prolonged; on the other hand, the shield assembly can also be used for mining a goaf formed in the process of operation, and prevent falling gangue from entering a working area.
In any of the above solutions, further, the shield assembly comprises: one end of the first shielding piece is hinged with the top beam, and the other end of the first shielding piece is movably connected to the base; one end of the second shielding piece is hinged with the top beam, and the other end of the second shielding piece is hinged with the first shielding piece; wherein, the second shield is positioned at one side of the first shield close to the base.
In this aspect, the shield assembly includes a first shield member and a second shield member. One end of the first shield part is hinged to the top beam, and the other end of the first shield part is movably connected to the base, so that partial pressure borne by the top beam can be transmitted to the base through the first shield part, and the goaf is isolated by the first shield part; one end of the second shield piece is hinged to the top beam, and the other end of the second shield piece is hinged to the first shield piece.
In any of the above technical solutions, further, the hydraulic support further includes: and one end of the connecting component is hinged with the shield component, and the other end of the connecting component is hinged with the base.
In this embodiment, the other end of the shield assembly is movably connected to the base. The connecting assembly is further arranged in the hydraulic support, one end of the connecting assembly is hinged to the shield assembly, the other end of the connecting assembly is hinged to the base, partial pressure born by the top beam can be transmitted to the base through the shield assembly and the connecting assembly, the pressure transmission mode is further improved, the load of the top beam is reduced, and the reliability and the stability of the whole structure of the hydraulic support are improved.
In any of the above technical solutions, further, the connection assembly includes: one end of the first connecting column is hinged with the shield assembly, and the other end of the first connecting column is hinged with the base; one end of the second connecting rod is hinged with the shield assembly, and the other end of the second connecting rod is hinged with the base.
In this technical scheme, coupling assembling is including first spliced pole and second spliced pole, the one end of first spliced pole and the one end of second spliced pole all articulate in the shield subassembly, and the other end of first spliced pole and the other end of second spliced pole all articulate in the shield subassembly, thereby form two pressure transmission passageways through first spliced pole and second spliced pole, and then in hydraulic support's course of work, can further alleviate the pressure that the back timber was undertaken, promote hydraulic support's structural stability and reliability, be favorable to guaranteeing hydraulic support's operation safety.
In any of the above technical solutions, further, the driving portion is a single telescopic column.
In this technical scheme, the drive division can be single flexible stand, and the stroke variation of single flexible stand can turn into the overhead gage for the high variation of base through the transmission of link assembly, thereby when the hydraulic support that expects lifts highly the same, compare in the mode that directly adopts stand drive back timber motion, this application can adopt the relatively less single flexible stand of stroke volume as the drive division, and then has saved the stroke of stand, has reduced hydraulic support's whole manufacturing cost.
In any of the above technical solutions, further, the driving portion is a double telescopic column.
In this technical scheme, when mining operation is bigger to hydraulic support's altitude mixture demand, the drive division can adopt two flexible stands to further promote the stroke volume of drive division, and drive the back timber through link assembly and reach higher high position, and then promote hydraulic support's overall height, satisfy the operation requirement.
In any of the above technical solutions, further, the hydraulic support further includes: and the safety valve is arranged on the single telescopic stand column or the double telescopic stand columns and used for limiting the hydraulic oil pressure inside the single telescopic stand column or the double telescopic stand columns.
In the technical scheme, the safety valve is arranged on the single telescopic stand column or the double telescopic stand columns, the safety valve can limit the pressure of hydraulic oil inside the single telescopic stand column or the double telescopic stand columns, so that when the hydraulic support is lifted to a certain height and is subjected to supporting operation, the pressure of the hydraulic oil inside the single telescopic stand column or the double telescopic stand columns can be locked through the safety valve, the hydraulic support can be guaranteed to provide reliable supporting force and maintain the current height, the working reliability and stability of the hydraulic support are further improved, and the operation safety of the hydraulic support is guaranteed.
According to a second aspect of the utility model there is provided a mining system comprising: the hydraulic support is provided by any one of the technical solutions in the first aspect.
The mining system proposed by the present invention, including the hydraulic support proposed in any of the first aspects, has all the advantages of the hydraulic support proposed in any of the first aspects, and therefore, the description thereof is omitted.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic view showing a structure of a hydraulic mount in the related art;
FIG. 2 is a schematic diagram of a hydraulic support according to one embodiment of the present invention in a raised position;
fig. 3 shows a schematic structure diagram of a hydraulic support provided by one embodiment of the utility model in a retracted state.
Wherein, the corresponding relation between the reference numbers and the part names in fig. 1 is:
100 ' hydraulic support, 400 ' top beam, 500 ' drive.
Wherein, the correspondence between the reference numbers and the component names in fig. 2 and 3 is:
100 hydraulic supports, 200 bases, 300 connecting rod assemblies, 320 supporting beams, 340 oblique beams, 400 top beams, 500 driving parts, 600 shielding assemblies, 620 first shielding parts, 640 second shielding parts, 700 connecting assemblies, 720 first connecting columns and 740 second connecting columns.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
A hydraulic mount 100 provided in accordance with some embodiments of the first aspect of the present invention is described below with reference to fig. 2 and 3.
Example 1:
as shown in fig. 2 and 3, according to a first aspect of the present invention, there is provided a hydraulic mount 100, including: a base 200; a connecting rod assembly 300, one end of the connecting rod assembly 300 is hinged with the base 200; the top beam 400 is hinged with the other end of the connecting rod assembly 300; one end of the driving part 500 is hinged with the base 200, and the other end of the driving part 500 is hinged with the connecting rod assembly 300; the driving part 500 is used for driving the connecting rod assembly 300 to move and driving the top beam 400 to be raised or lowered relative to the base 200.
Specifically, the hydraulic support 100 provided by the present invention includes a base 200, a connecting rod assembly 300, a top beam 400 and a driving part 500, wherein the base 200 can provide a mounting position and reliable support for the rest of the components in the hydraulic support 100, and ensure the stability of the hydraulic support 100 during operation. One end of the driving part 500 is hinged to the base 200, and the other end is hinged to the connecting rod assembly 300, so that the driving part 500 can output power to the connecting rod assembly 300 to drive the connecting rod assembly 300 to move. Meanwhile, one end of the connecting rod assembly 300 is hinged to the base 200, and the other end of the connecting rod assembly 300 is hinged to the top beam 400, so that when the connecting rod assembly 300 moves under the driving of the driving part 500, the top beam 400 can be driven to move simultaneously, the top beam 400 is raised or lowered relative to the base 200, and the overall height of the hydraulic support 100 is adjusted, so that the hydraulic support 100 can be switched between a lifting state and a retracting state, and the overall height of the hydraulic support 100 can meet the operation requirement of a fully mechanized mining face.
In addition, during the operation of the driving part 500, the stroke variation of the driving part 500 can be converted into the height variation of the top beam 400 relative to the base 200 by using the link assembly 300 for transmission, and the conversion rate is high.
Therefore, as shown in fig. 1, compared with the hydraulic support 100 ' in which the driving part 500 ' is used to directly drive the top beam 400 ' to move, the hydraulic support 100 provided by the present invention can make the top beam 400 generate a larger height change relative to the base 200 under the condition that the stroke variation of the driving part 500 is smaller, and further, when facing a large mining height working surface, a device with a relatively smaller stroke amount can be used as the driving part 500 of the hydraulic support 100, so that the stroke of the driving part 500 is reduced while the working requirement is met, the stroke waste of the driving part 500 is avoided, the production cost of the hydraulic support 100 can be reduced, and the working efficiency of the hydraulic support 100 can be improved.
Example 2:
as shown in fig. 2 and 3, based on embodiment 1, further, the connecting rod assembly 300 includes: the supporting beam 320 comprises a first connecting end and a second connecting end, and the first connecting end is hinged with the base 200; the oblique beam 340 comprises a third connecting end and a fourth connecting end, the third connecting end is hinged with the second connecting end, and the fourth connecting end is hinged with the top beam 400; wherein, one end of the driving part 500 is connected with the second connection end and the third connection end through a compound hinge.
Specifically, the connecting rod assembly 300 includes a support beam 320 and a canted beam 340. Wherein, the supporting beam 320 comprises a first connecting end and a second connecting end, the oblique beam 340 comprises a third connecting end and a fourth connecting end, the first connecting end is hinged with the base 200, the second connecting end is hinged with the third connecting end, the fourth connecting end is hinged with the top beam 400, and one end of the driving part 500 is connected with the second connecting end and the third connecting end through a composite hinge, through the connecting mode, the driving part 500 can output power to the supporting beam 320 and the oblique beam 340 at the same time, the driving effect on the connecting rod assembly 300 is improved, and then the top beam 400 can generate height change relative to the base 200 when the connecting rod assembly 300 moves, thereby realizing height adjustment of the hydraulic support 100. Meanwhile, the structural form of the connecting rod assembly 300 is relatively simple and easy to implement, and is further beneficial to controlling the production cost of the hydraulic support 100.
Example 3:
as shown in fig. 2 and fig. 3, on the basis of embodiment 1 or embodiment 2, further, the driving part 500 includes a telescopic end and a cylinder end, the cylinder end is hinged with the base 200, and the telescopic end is connected with the second connecting end and the third connecting end through a compound hinge; wherein, the driving part 500 performs telescopic motion relative to the cylinder end through the telescopic end to drive the support beam 320 and the oblique beam 340 to move and drive the top beam 400 to raise or lower relative to the base 200.
Specifically, the driving part 500 includes a telescopic end and a cylinder end, the cylinder end is hinged to the base 200, the telescopic end can be telescopic relative to the cylinder end, and the telescopic end is hinged to the second connecting end and the third connecting end through a composite hinge, so that when the telescopic end of the driving part 500 performs telescopic motion relative to the cylinder end, the supporting beam 320, the oblique beam 340 and the top beam 400 can be driven to perform scissor motion, and the top beam 400 is raised or lowered relative to the base 200.
Specifically, when the telescopic end extends out relative to the cylinder end, the top beam 400 is driven by the support beam 320 and the oblique beam 340 to be lifted relative to the base 200, so that the hydraulic support 100 enters a lifting state; when the telescopic end is retracted relative to the cylinder end, the top beam 400 is lowered relative to the base 200 by the support beam 320 and the inclined beam 340, so that the hydraulic support 100 is brought into a retracted state.
Simultaneously, articulate flexible end, second link and third link in a department, also can make the support intensity of junction promote by a wide margin, further improved hydraulic support 100's support effect, improved hydraulic support 100's security and reliability.
Example 4:
as shown in fig. 2 and 3, on the basis of any one of embodiments 1 to 3, further, the hydraulic bracket 100 further includes: one end of the shield assembly 600 is hinged to the roof beam 400, and the other end of the shield assembly 600 is movably connected to the base 200.
Specifically, the hydraulic support 100 further comprises a shield assembly 600, one end of the shield assembly 600 is hinged to the top beam 400, and the other end is movably connected to the base 200, so that during the operation of the hydraulic support 100, on one hand, a part of the pressure borne by the top beam 400 can be transmitted to the base 200 through the shield assembly 600, the load of the top beam 400 is reduced, and the service life of the hydraulic support 100 is prolonged; on the other hand, the shield assembly 600 may also be used to mine goafs formed during operation to prevent caving mine spoil from entering the work area.
Example 5:
as shown in fig. 2 and 3, on the basis of any one of embodiments 1 to 4, further, the shield assembly 600 includes: a first shield 620, one end of the first shield 620 is hinged with the top beam 400, and the other end of the first shield 620 is movably connected to the base 200; one end of the second shield 640 is hinged with the top beam 400, and the other end of the second shield 640 is hinged with the first shield 620; wherein the second shield 640 is located on a side of the first shield 620 adjacent to the base 200.
Specifically, the shield assembly 600 includes a first shield 620 and a second shield 640. One end of the first shielding member 620 is hinged to the top beam 400, and the other end is movably connected to the base 200, so that part of the pressure borne by the top beam 400 can be transmitted to the base 200 through the first shielding member 620, and the goaf is isolated by the first shielding member 620; the second shield 640 is hinged to the roof beam 400 at one end and to the first shield 620 at the other end, so that the overall strength of the shield assembly 600 can be further improved, and the isolation and protection effects of the shield assembly 600 can be further enhanced.
Example 6:
as shown in fig. 2 and 3, on the basis of any one of embodiments 1 to 5, further, the hydraulic bracket 100 further includes: and a connecting assembly 700, one end of the connecting assembly 700 is hinged with the shield assembly 600, and the other end of the connecting assembly 700 is hinged with the base 200.
Specifically, by further providing the connection assembly 700 in the hydraulic support 100, hinging one end of the connection assembly 700 to the shield assembly 600, and hinging the other end of the connection assembly 700 to the base 200, part of the pressure borne by the top beam 400 can be transmitted to the base 200 via the shield assembly 600 and the connection assembly 700, thereby further improving the pressure transmission manner, reducing the load of the top beam 400, and improving the reliability and stability of the overall structure of the hydraulic support 100.
Example 7:
as shown in fig. 2 and 3, on the basis of any one of embodiments 1 to 6, further, the connection assembly 700 includes: one end of the first connection post 720 is hinged with the shield assembly 600, and the other end of the first connection post 720 is hinged with the base 200; and one end of the second connecting column 740 is hinged with the shield assembly 600, and the other end of the second connecting column 740 is hinged with the base 200.
Specifically, coupling assembling 700 is including first spliced pole 720 and second spliced pole 740, the one end of first spliced pole 720 and the one end of second spliced pole 740 all articulate in shield assembly 600, and the other end of first spliced pole 720 and the other end of second spliced pole 740 all articulate in shield assembly 600, thereby form two pressure transmission passageways through first spliced pole 720 and second spliced pole 740, and then in hydraulic support 100's course of work, can further alleviate the pressure that top beam 400 bore, promote hydraulic support 100's structural stability and reliability, be favorable to guaranteeing hydraulic support 100's operation safety.
Example 8:
as shown in fig. 2 and 3, in addition to any one of embodiments 1 to 7, the driving part 500 is a single telescopic column.
Specifically, drive division 500 can be single flexible stand, and the stroke variation of single flexible stand can be through the transmission of link assembly 300, turns into the high variation of back timber 400 for base 200 to when hydraulic support 100 that expects lifts highly the same, compare in the mode that directly adopts stand drive back timber 400 motion, this application can adopt the relatively less single flexible stand of stroke volume as drive division 500, and then has saved the stroke of stand, has reduced hydraulic support 100's whole manufacturing cost.
Example 9:
as shown in fig. 2 and 3, in addition to any one of embodiments 1 to 7, the driving part 500 is a double telescopic column.
Specifically, when mining operation is more big to hydraulic support 100's altitude requirement, drive portion 500 can adopt two flexible stands to further promote drive portion 500's stroke volume, and drive back timber 400 through link assembly 300 and reach higher high position, and then promote hydraulic support 100's overall height, satisfy the operation requirement.
Specifically, the driving unit 500 may be a hydraulic cylinder capable of performing multi-stage expansion and contraction, so that the lifting height of the hydraulic bracket 100 may be further raised.
Example 10:
as shown in fig. 2 and 3, on the basis of any one of embodiments 1 to 9, further, the hydraulic bracket 100 further includes: and the safety valve (not shown in the figure) is arranged on the single telescopic upright post or the double telescopic upright posts and is used for limiting the hydraulic oil pressure inside the single telescopic upright post or the double telescopic upright posts.
Specifically, be provided with the relief valve on single flexible stand or the two flexible stands, the relief valve can prescribe a limit to the inside hydraulic oil pressure of single flexible stand or two flexible stands to when hydraulic support 100 lifts to the take the altitude and supports the operation, can lock the inside hydraulic oil pressure of single flexible stand or two flexible stands through the relief valve, guarantee that hydraulic support 100 can provide reliable holding power and maintain the current height, further promoted hydraulic support 100's operational reliability and stability, guaranteed hydraulic support 100's operation safety.
Example 11:
an embodiment according to a second aspect of the utility model proposes a mining system comprising: the hydraulic mount 100 as set forth in any of the embodiments of the first aspect.
The mining system provided by the present invention, including the hydraulic support 100 according to any one of the embodiments of the first aspect, has all the advantages of the hydraulic support 100 according to any one of the embodiments of the first aspect, and therefore, the advantages will not be described herein.
The specific embodiment is as follows:
as shown in fig. 2 and 3, the present invention proposes a hydraulic mount including: base 200, support beams 320, inclined beams 340, roof beams 400, drive 500, shield assembly 600, first connecting columns 720 and second connecting columns 740.
Specifically, the first connecting end of the supporting beam 320 is hinged to the base 200, the second connecting end of the supporting beam 320 and the third connecting end of the oblique beam 340 are hinged to hinge holes formed in the telescopic end of the driving portion 500, so that the telescopic end of the driving portion 500, the second connecting end of the supporting beam 320 and the third connecting end of the oblique beam 340 are hinged to one place, and the cylinder end of the driving portion 500 is hinged to the base 200.
Further, the driving part 500 is a single telescopic pillar.
One end of the shield assembly 600 is hinged to the top beam 400, one end of the first connecting column 720 and one end of the second connecting column 740 are both hinged to the other end of the shield assembly 600, and the other end of the first connecting column 720 and the other end of the second connecting column 740 are both hinged to the base 200.
In the operation process of the hydraulic support 100, hydraulic oil enters the single telescopic upright post, the single telescopic upright post can be gradually extended under the pushing of the hydraulic oil, in the extending process, the single telescopic upright post can drive the oblique beam 340, the supporting beam 320 and the top beam 400 to perform corresponding scissor movement, and along with the increase of the scissor movement time, the overall height of the hydraulic support 100 can gradually rise and enter a lifting state.
As illustrated in fig. 3, assuming that the length AB of the oblique beam 340 is 2800mm, the length BC of the supporting beam 320 is 1775mm, the distance CD between the first connecting end and the cylinder end is 2200mm, the distance AE between the hinge joint of the shield assembly 600 and the top beam 400 and the fourth connecting end is 2800mm, and the distance CI between the hinge joint of the first connecting post 720 and the base 200 and the second connecting end is 3400mm, after analyzing the overall height change of the hydraulic support 100, the hydraulic support 100 according to the present invention can satisfy the requirement of the support height change in the actual production when the length of the single telescopic column is about 1000mm, and as is apparent from table 1, when the overall height of the hydraulic support 100 is the same, the length corresponding to the single telescopic column of the hydraulic support 100 according to the present invention is much smaller than the length corresponding to the hydraulic support of the same specification in the prior art, therefore, the stroke of the driving part 500 can be saved, and a single telescopic upright post with smaller stroke amount is adopted as the driving part 500 under the same height requirement, so that the production cost of the hydraulic support 100 is greatly reduced.
TABLE 1
In the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A hydraulic mount, comprising:
a base;
one end of the connecting rod assembly is hinged with the base;
the top beam is hinged with the other end of the connecting rod assembly;
one end of the driving part is hinged with the base, and the other end of the driving part is hinged with the connecting rod assembly;
the driving part is used for driving the connecting rod assembly to move and driving the top beam to be lifted or lowered relative to the base.
2. The hydraulic mount of claim 1, wherein the linkage assembly comprises:
the supporting beam comprises a first connecting end and a second connecting end, and the first connecting end is hinged with the base;
the inclined beam comprises a third connecting end and a fourth connecting end, the third connecting end is hinged with the second connecting end, and the fourth connecting end is hinged with the top beam;
wherein one end of the driving part is connected with the second connecting end and the third connecting end through a composite hinge.
3. A hydraulic mount according to claim 2,
the driving part comprises a telescopic end and a cylinder body end, the cylinder body end is hinged with the base, and the telescopic end is connected with the second connecting end and the third connecting end through a composite hinge;
the driving part carries out telescopic motion relative to the cylinder body end through the telescopic end so as to drive the supporting beam and the inclined beam to move and drive the top beam to be lifted or lowered relative to the base.
4. The hydraulic mount of claim 1, further comprising:
one end of the shield assembly is hinged with the top beam, and the other end of the shield assembly is movably connected with the base.
5. The hydraulic support of claim 4, wherein the shield assembly comprises:
one end of the first shielding piece is hinged with the top beam, and the other end of the first shielding piece is movably connected to the base;
one end of the second shielding piece is hinged with the top beam, and the other end of the second shielding piece is hinged with the first shielding piece;
wherein the second shield is located on a side of the first shield adjacent the base.
6. The hydraulic mount of claim 4, further comprising:
the one end of coupling assembling with shield the looks of subassembly and articulate, coupling assembling's the other end with the base is articulated mutually.
7. A hydraulic mount according to claim 6, wherein the connection assembly comprises:
one end of the first connecting column is hinged with the shield assembly, and the other end of the first connecting column is hinged with the base;
one end of the second connecting column is hinged to the shield assembly, and the other end of the second connecting column is hinged to the base.
8. Hydraulic support according to one of claims 1 to 6,
the driving part is a single telescopic upright post; or
The driving part is a double telescopic upright post.
9. The hydraulic mount of claim 8, further comprising:
and the safety valve is arranged on the single telescopic stand column or the double telescopic stand columns and used for limiting the hydraulic oil pressure inside the single telescopic stand column or the double telescopic stand columns.
10. A mining system, comprising:
a hydraulic mount according to any one of claims 1 to 9.
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| CN113389582A (en) * | 2021-07-29 | 2021-09-14 | 三一重型装备有限公司 | Hydraulic support and mining system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113389582A (en) * | 2021-07-29 | 2021-09-14 | 三一重型装备有限公司 | Hydraulic support and mining system |
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