CN114215571A - Hydraulic support and coal mining equipment - Google Patents
Hydraulic support and coal mining equipment Download PDFInfo
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- CN114215571A CN114215571A CN202111229344.6A CN202111229344A CN114215571A CN 114215571 A CN114215571 A CN 114215571A CN 202111229344 A CN202111229344 A CN 202111229344A CN 114215571 A CN114215571 A CN 114215571A
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- 239000003245 coal Substances 0.000 title claims abstract description 13
- 238000005065 mining Methods 0.000 title claims abstract description 13
- 210000003205 muscle Anatomy 0.000 claims abstract description 109
- 238000003466 welding Methods 0.000 abstract description 35
- 238000005452 bending Methods 0.000 description 9
- 208000010392 Bone Fractures Diseases 0.000 description 5
- 206010017076 Fracture Diseases 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000005336 cracking Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/0436—Means for inclining the base member of the support
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Abstract
The invention discloses a hydraulic support and coal mining equipment, relates to the technical field of fully mechanized coal mining equipment, and mainly aims to reduce the welding amount and the processing amount of a top beam so as to reduce the cost and ensure the structural stress performance of the hydraulic support. The main technical scheme of the invention is as follows: the hydraulic support comprises a base and a top beam connected with the base; the top beam comprises a top beam body, the top beam body comprises a first inner main rib and a first outer main rib which are opposite, the surface of the first inner main rib is connected with a flitch, and the thickness of the first outer main rib is larger than that of the first inner main rib and smaller than the sum of the thicknesses of the first inner main rib and the flitch; the base includes the main muscle outside relative second interior main muscle and the second, be connected with horizontal muscle of first muscle, second and post nest between the main muscle outside main muscle in the second and the second, the horizontal muscle slope of second sets up, the horizontal muscle of second one end with the horizontal muscle of first is connected, the horizontal muscle of second the other end with the post nest is connected.
Description
Technical Field
The invention relates to the technical field of fully mechanized coal mining equipment, in particular to a hydraulic support and coal mining equipment.
Background
The hydraulic support plays a role in supporting the whole coal wall in the coal mining process, a safe working area is supported for mining, and smooth coal mining is guaranteed.
Hydraulic support includes interconnect's back timber, screen roof beam and base usually, and at present, the back timber structure is the structure of main muscle welding flitch usually to guarantee the intensity requirement of back timber structure, however, this kind of structure needs additionally to process the flitch, still need weld the flitch on main muscle, and manufacturing procedure is numerous and diverse, has increased welding volume and work load, and the cost is higher, and the welding seam has the risk of fracture moreover, thereby influences hydraulic support's structure atress performance.
Disclosure of Invention
In view of this, the embodiment of the invention provides a hydraulic support and coal mining equipment, and mainly aims to reduce the welding amount and the machining amount of a top beam, reduce the cost and ensure the structural stress performance of the hydraulic support.
In order to achieve the purpose, the invention mainly provides the following technical scheme:
in one aspect, an embodiment of the present invention provides a hydraulic bracket, including:
the device comprises a base and a top beam connected with the base;
the top beam comprises a top beam body, the top beam body comprises a first inner main rib and a first outer main rib which are opposite, the surface of the first inner main rib is connected with a flitch, and the thickness of the first outer main rib is larger than that of the first inner main rib and smaller than the sum of the thicknesses of the first inner main rib and the flitch;
the base includes the main muscle outside relative second interior main muscle and the second, be connected with horizontal muscle of first muscle, second and post nest between the main muscle outside main muscle in the second and the second, the horizontal muscle slope of second sets up, the horizontal muscle of second one end with the horizontal muscle of first is connected, the horizontal muscle of second the other end with the post nest is connected.
Further, the top beam also comprises a telescopic beam, wherein the telescopic beam comprises a first beam body and at least two second beam bodies which are connected with each other and arranged side by side, and a first cylinder body and at least two second cylinder bodies which are respectively connected with the top beam body and arranged side by side;
the at least two second beam bodies are respectively positioned on two sides of the first beam body; the at least two second cylinders are respectively positioned at two sides of the first cylinder;
the first beam body and the second beam body are respectively of a first box body structure; the first beam body is movably arranged in the first cylinder body; the second beam is movably disposed within the second cylinder.
Further, the second beam body comprises at least two first boxes which are connected with each other and arranged side by side.
Furthermore, the second beam body further comprises a second box body, and the second box body is connected between at least two first box bodies and is positioned at the outer end part of each first box body.
Furthermore, the telescopic beam further comprises a connecting plate, and the connecting plate is respectively connected with the outer end part of the first beam body, the outer end part of the first box body and the outer end part of the second box body.
Further, the connecting plate is an L-shaped plate, and the inner surface of the connecting plate is connected to the outer end face and the bottom face of the first beam body, the outer end face and the bottom face of the first box body, and the outer end face and the bottom face of the second box body, respectively.
Furthermore, at least two first through holes are formed in the outer side wall of the first box body, which is positioned on the outer side of the at least two first box bodies, and the at least two first through holes are sequentially arranged along the length direction of the first box body;
the outer side wall of the second cylinder is provided with at least two second through holes which are sequentially arranged along the direction of the second cylinder;
when the second beam body is installed in place in the second cylinder body, the first through hole corresponds to the second through hole.
Furthermore, the number of the first inner main ribs is two, and the two first inner main ribs are arranged oppositely;
the roof beam body still including connect in two first apron between the owner muscle in, the quantity of first apron is one.
Furthermore, the second inner main rib and the second outer main rib are of an integrally formed structure, and the thicknesses of the second inner main rib and the second outer main rib are respectively equal to a preset value;
the base further comprises a bottom plate, a third transverse rib and a bent second cover plate, the bottom plate is respectively connected with the second inner main rib and the second outer main rib, the third transverse rib and the second cover plate are connected between the second inner main rib and the second outer main rib, the third transverse rib is connected with the second cover plate, and the second inner main rib, the second outer main rib, the third transverse rib and the second cover plate enclose a second box body structure;
the column nest is connected with the third transverse bar;
a fourth transverse rib connected with the second inner main rib, the second outer main rib and the third transverse rib is arranged in the second box body structure; only the fourth transverse rib is arranged in the second box body structure;
the number of the second cover plates is one.
In another aspect, an embodiment of the present invention provides a coal mining device, including the foregoing hydraulic support.
By means of the technical scheme, the invention at least has the following beneficial effects:
in the hydraulic support provided by the embodiment of the invention, the surface of the first inner main rib of the top beam body in the top beam is connected with the flitch, the surface of the first outer main rib is not connected with the flitch, and the thickness of the first outer main rib is larger than that of the first inner main rib and smaller than the sum of the thicknesses of the first inner main rib and the patch, that is to say, in the technical solution provided by this embodiment, the first outer main rib is a single main rib structure with increased thickness, the first inner main rib is of a structure that the inner main rib is connected with the flitch, so that the requirement on the overall strength of the top beam body can be ensured, the material and the working hour for processing the flitch can be reduced, the welding amount and the processing amount are reduced, the cost is reduced, meanwhile, no welding seam exists at the first outer main rib, the risk of welding seam cracking cannot occur in the process of stress, and the bearing capacity of the top beam is better guaranteed, so that the structural stress performance of the hydraulic support is better guaranteed. In addition, the integral structure of the top beam body is simpler. In addition, be connected with the horizontal muscle of second in the second of base between main muscle and the outer main muscle of second, the one end and the first horizontal muscle of the horizontal muscle of this second are connected, and the other end is connected with the post nest, and the slope of the horizontal muscle of this second sets up, can prevent like this that the post nest from removing better, strengthens the bearing capacity of post nest department.
Drawings
Fig. 1 is a schematic structural diagram of a hydraulic support according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a top beam in a hydraulic support according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a hydraulic support with a telescopic beam of a top beam removed from a beam body according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a beam body of a top beam telescopic beam of a hydraulic support, provided by an embodiment of the invention;
fig. 5 is a schematic structural diagram of a base in a hydraulic support according to an embodiment of the present invention;
fig. 6 is a cross-sectional view of a base in a hydraulic mount according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the accompanying drawings in the preferred embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. 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 invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In the description of the present embodiment, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be construed as limiting the scope of the present embodiment.
As shown in fig. 1, 2, 5 and 6, an embodiment of the present invention provides a hydraulic support, including a base 1 and a cap connected to the base 1; the top beam comprises a top beam body 2, the top beam body 2 comprises a first inner main rib 21 and a first outer main rib 22 which are opposite, the surface of the first inner main rib 21 is connected with a flitch, and the thickness of the first outer main rib 22 is larger than that of the first inner main rib 21 and smaller than the sum of the thicknesses of the first inner main rib 21 and the flitch; the base 1 includes the outer main muscle 12 of main muscle 11 and second in the relative second, is connected with first horizontal muscle 13, the horizontal muscle 14 of second and post nest 15 between the outer main muscle 12 of main muscle 11 and second in the second, and the horizontal muscle 14 slope of second sets up, and the one end and the first horizontal muscle 13 of the horizontal muscle 14 of second are connected, and the other end and the post nest 15 of the horizontal muscle 14 of second are connected. Wherein the column sockets 15 are used for mounting and carrying column jacks.
It can be understood that, compared with the inner main rib, the outer main rib of the top beam body 2 can be subjected to larger bending and torsion forces, in the embodiment of the invention, the flitch on the first outer main rib 22 of the top beam body 2 is eliminated, meanwhile, the thickness of the first outer main rib 22 is increased, the structure of the flitch connected with the first inner main rib 21 is kept unchanged, and the strength requirement of the top beam body 2 can be met. The increased thickness of the first outer main rib 22 may be 20% -30% of the thickness of the first outer main rib 22 or the first inner main rib 21, which may meet the strength requirement of the roof beam body 2.
In the hydraulic support provided by the embodiment of the invention, the surface of the first inner main rib 21 of the top beam body 2 in the top beam is connected with the flitch, the surface of the first outer main rib 22 is not connected with the flitch, and the thickness of the first outer main rib 22 is larger than that of the first inner main rib 21 and smaller than the sum of the thicknesses of the first inner main rib 21 and the flitch, that is, in the technical scheme provided by the embodiment, the first outer main rib 22 is a single main rib structure with increased thickness, and the first inner main rib 21 is a structure with an inner main rib connected with the flitch, so that the requirement on the overall strength of the top beam body 2 can be ensured, the material and the working hour for processing the flitch can be reduced, the welding amount and the processing amount are reduced, the cost is reduced, meanwhile, no welding seam exists at the first outer main rib 22, the risk of welding seam cracking can not occur during stress, the bearing capacity of the shield beam is better ensured, and the bearing capacity of the top beam is better ensured, thereby better guaranteeing the structural stress performance of the hydraulic support. In addition, the whole structure of the top beam body 2 is simpler. In addition, be connected with the horizontal muscle 14 of second in the second of base 1 between main muscle 11 and the outer main muscle 12 of second, the one end and the first horizontal muscle 13 of the horizontal muscle 14 of this second are connected, the other end is connected with post nest 15, and the horizontal muscle 14 slope of this second sets up, so that the space between main muscle 11 and the outer main muscle 12 of second in the make full use of second increases the length of the horizontal muscle 14 of second, raise the position at the horizontal muscle 14 place of second simultaneously, thereby improve the connection effect of the horizontal muscle 14 of second, and then realize preventing better that post nest 15 from removing, strengthen the bearing capacity of post nest 15 department.
In an alternative embodiment, referring to fig. 2, 3 and 4, the top beam further comprises a telescopic beam 3, the telescopic beam 3 comprising a first beam body 31 and at least two second beam bodies connected to each other and arranged side by side, and a first cylinder body 32 and at least two second cylinder bodies 33 connected to the top beam body 2 and arranged side by side, respectively; the at least two second beam bodies are respectively positioned at two sides of the first beam body 31; at least two second cylinders 33 are respectively positioned at both sides of the first cylinder 32; the first beam body 31 and the second beam body are respectively of a first box body structure; the first beam 31 is movably disposed within the first cylinder 32; the second beam is movably disposed within the second cylinder 33.
In the above embodiment, compared with the case structure of the first beam body 31 and the structure of the second beam body as the reinforcing rib, the first beam body 31 and the second beam body of the telescopic beam 3 are both configured as the first case structure, so that the overall torsion resistance and bending resistance of the telescopic beam 3 can be improved.
In an alternative embodiment, referring to fig. 2 and 4, the second beam includes at least two first boxes 34 connected to each other and arranged side by side, and the volume of the first boxes 34 may be smaller than the volume of the first beam 31. In this embodiment, the second beam body is configured to include at least two first boxes 34, so that the plurality of first boxes 34 can bear bending and torsional forces, thereby further improving the overall torsional resistance and bending resistance of the telescopic beam 3. The number of the first boxes 34 may be determined according to the size of the second cylinders 33 of the top beam, and the larger the second cylinders 33 are, the greater the number of the first boxes 34 is, and the stronger the torsion resistance and bending resistance of the telescopic beam 3 is.
In an alternative embodiment, referring to fig. 2 and 4, the second beam further includes a second box 35, and the second box 35 is connected between at least two of the first boxes 34 and is located at an outer end of the first boxes 34. In this embodiment, the second box 35 is connected between two adjacent first boxes 34, and the second box 35 is located at the outer end of the first box 34, so that not only can the overall torsion resistance and bending resistance of the telescopic beam 3 be further improved, but also an installation position can be provided for a driving member for driving the first beam body 31 and the second beam body to move in the first cylinder 32 and the second cylinder 33, specifically, a connecting lug can be connected to the second box 35, and the driving member can be connected to the connecting lug. Wherein, first box 34, second box 35 and third box all can be for sealing the box, all can be including relative interior main muscle and the outer main muscle that sets up to and relative bottom plate and the apron between main muscle including being connected and the outer main muscle, and connect including main muscle, outer main muscle, the horizontal muscle of apron and bottom plate tip, specifically, all first boxes 34 can share a bottom plate.
In an alternative embodiment, referring to fig. 2 and 4, the telescopic beam 3 further comprises a connecting plate 36, the connecting plate 36 being connected to the outer end of the first beam body 31, the outer end of the first box 34 and the outer end of the second box 35, respectively. In this embodiment, the connecting plate 36 is provided to improve the connection strength between the first beam 31 and the second beam, thereby further improving the overall torsion resistance and bending resistance of the telescopic beam 3.
In an alternative embodiment, referring to fig. 2 and 4, the connecting plate 36 may be an L-shaped plate, and the inner surface of the connecting plate 36 is connected to the outer end surface and the bottom surface of the first beam 31, the outer end surface and the bottom surface of the first box 34, and the outer end surface and the bottom surface of the second box 35, respectively, so as to further improve the connection strength between the first beam 31 and the second beam, and further improve the overall torsion resistance and bending resistance of the telescopic beam 3.
In an alternative embodiment, referring to fig. 3 and 4, at least two first through holes 341 are provided on an outer side wall of the first case 34 located at an outer side of the at least two first cases 34, and the at least two first through holes 341 are sequentially arranged along a length direction of the first case 34; the outer side wall of the second cylinder 33 is provided with at least two second through holes 331, and the at least two second through holes 331 are sequentially arranged along the direction of the second cylinder 33; when the second beam is mounted in place in the second cylinder 33, the first through hole 341 corresponds to the second through hole 331.
According to the above embodiment, in the process that the first beam 31 and the second beam integrally extend into the first cylinder 32 and the second cylinder 33, when the first through hole 341 and the second through hole 331 correspond to each other, it can be indicated that the second beam is installed in place in the second cylinder 33, that is, the second beam is retracted to the corresponding end in the second cylinder 33, because the first beam 31 and the second beam are connected to each other to form an integral body, when the second beam is installed in place in the second cylinder 33, the first beam 31 is also installed in place in the first cylinder 32, so as to prompt an operator that the telescopic beam 3 has been retracted and in place, and the operation is more convenient.
Under the general condition, the main muscle of back timber body 2 adopts the structure of main muscle welding flitch, simultaneously, welds double-deck apron between two interior main muscle and strengthens the bearing capacity of back timber body 2, has increased the quantity and the welding volume of apron like this, and unloading and welding etc. man-hour all can increase, lead to the cost-push, and the welding seam is more simultaneously, also more easy fracture when the atress, and then the bearing capacity of influence shield roof beam. In order to solve this technical problem, in an alternative embodiment, referring to fig. 2 and 3, the number of the first inner main ribs 21 is two, and the two first inner main ribs 21 are oppositely arranged; the roof beam body 2 further includes a first cover plate 23 connected between the two first inner main beads 21, and the number of the first cover plates 23 is one.
In the above embodiment, because the first outer main rib 22 is an independent main rib structure with increased thickness, and the first inner main rib 21 is a structure in which the inner main rib is connected with the flitch, the overall strength requirement of the top beam body 2 can be ensured, therefore, the double-layer cover plate between the two first inner main ribs 21 can be replaced by the cover plate with the same thickness as the original single cover plate, namely the first cover plate 23, which not only can meet the strength requirement, but also reduces the using amount and welding amount of the cover plate, thereby reducing the working hours of blanking, welding and the like, reducing the cost, meanwhile, no welding seam exists in the position of the first cover plate 23, the risk of welding seam cracking can not occur during stress, better ensuring the bearing capacity of the shield beam, and the overall structure of the shield beam is more concise.
Under the usual condition, hydraulic support base 1's main muscle adopts the split type welded structure of main muscle body welding flitch, welds the flitch on the surface of main muscle body promptly, strengthens the intensity of main muscle to improve base 1's bearing capacity, so not only the materials are more, and man-hour such as welding and unloading also can increase, lead to the cost-push, and the welding seam is more simultaneously, also ftractures more easily when the atress, and then influences the bearing capacity of shielding the roof beam. In order to solve the technical problem, in an alternative embodiment, referring to fig. 5 and 6, the second inner main rib 11 and the second outer main rib 12 are both integrally formed structures, and the thicknesses of the two main ribs are respectively equal to a preset value; the base 1 further comprises a bottom plate 16, a third transverse rib 17 and a bent second cover plate 18, the bottom plate 16 is respectively connected with the second inner main rib 11 and the second outer main rib 12, the third transverse rib 17 and the second cover plate 18 are connected between the second inner main rib 11 and the second outer main rib 12, the third transverse rib 17 is connected with the second cover plate 18, and the second inner main rib 11, the second outer main rib 12, the third transverse rib 17 and the second cover plate 18 form a second box body 35 structure in an enclosing mode; the column nest 15 is connected with a third transverse rib 17; a fourth transverse rib 19 connected with the second inner main rib 11, the second outer main rib 12 and the third transverse rib 17 is arranged in the second box body 35; only the fourth transverse bar 19 is arranged in the structure of the second box 35.
In the above embodiment, the preset value may be a range of thickness values, and if the thickness of the single second inner main rib 11 or the single second outer main rib 12 is H when the flitch is not welded, the preset value is (H + H20%) - (H + H30%). That is to say, in this embodiment, the flitch welded on main muscle 11 body in the second and the outer main muscle 12 body of second cancels, the realization is with the split type structure replacement of original main muscle body flitch for the main muscle structure of monolithic integrated into one piece of thickening, not only can guarantee the requirement for intensity of main muscle 11 in the second and the outer main muscle 12 of second, the material and the man-hour of processing flitch have still been reduced, and the welding volume and the handling capacity of flitch have been reduced, the cost is reduced, main muscle 11 in the second and the outer main muscle 12 department of second do not have the welding seam simultaneously, the risk of welding seam fracture can not appear during the atress, the bearing capacity of screen beam has been guaranteed better, the overall structure of screen beam is also more succinct in addition.
In the above embodiment, the second inner main rib 11, the second outer main rib 12, the third transverse rib 17 and the second cover plate 18 enclose the second box 35 structure, so that the bending resistance and the torsion resistance of the whole base 1 can be improved well. In addition, the fourth transverse bar 19 is connected with the third transverse bar 17, so that the column socket 15 can be prevented from moving better, and the bearing capacity of the column socket 15 can be further enhanced.
In the above embodiment, because the split type structure that adds the flitch with original main muscle body is replaced by the main muscle structure of the monolithic integrated into one piece of thickening, can guarantee the intensity requirement of main muscle 11 in the second and main muscle 12 outside the second, consequently, only be provided with the horizontal muscle 19 of fourth in the second box 35 structure, and do not have other horizontal muscle, thereby realized cancelling the horizontal muscle structure of second box 35 structural redundancy, and then realized on the basis of guaranteeing intensity, optimized base 1 inner structure, saved manufacturing cost.
Under the general condition, the main muscle of base 1 adopts the structure of main muscle welding flitch, simultaneously, welds the bearing capacity that double-deck apron strengthened the roof beam body 2 between interior main muscle and the outer main muscle, has increased the quantity and the welding volume of apron like this, and unloading and welding etc. man-hour all can increase, lead to the cost-push, and the welding seam is more simultaneously, also more easy fracture when the atress, and then the bearing capacity of influence shield roof beam. In order to solve this technical problem, in the above embodiment, referring to fig. 6, the number of the second cover plates 18 is one. Because the main muscle 11 in the second and the outer main muscle 12 of second are the integrated into one piece structure that has increased thickness respectively, consequently, can with original second in the main muscle 11 and the outer main muscle 12 between double-deck apron replacement for one with the apron of the same thickness of former monolithic apron be second apron 18, not only can satisfy the strength requirement, the quantity and the welding volume of apron have still been reduced, thereby working hours such as unloading and welding have been reduced, the cost is reduced, there is not the welding seam in second apron 18 department simultaneously, the risk of welding seam fracture can not appear during the atress, the bearing capacity of shielding the roof beam has been guaranteed better, the overall structure of shielding the roof beam is also more succinct in addition.
The embodiment of the invention also provides coal mining equipment, which comprises a hydraulic support, wherein the surface of a first inner main rib 21 of a top beam body 2 in a top beam of the hydraulic support is connected with a flitch, the surface of the first outer main rib 22 is not connected with the flitch, and the thickness of the first outer main rib 22 is larger than that of the first inner main rib 21 and smaller than the sum of the thicknesses of the first inner main rib 21 and the flitch, namely, in the technical scheme provided by the embodiment, the first outer main rib 22 is an independent main rib structure with increased thickness, and the first inner main rib 21 is a structure with an inner main rib connected with the flitch, so that the requirement on the overall strength of the top beam body 2 can be ensured, the material and the working hours for processing the flitch can be reduced, the welding amount and the processing amount are reduced, the cost is reduced, meanwhile, no welding seam exists at the position of the first outer main rib 22, the risk of cracking can not occur when the stress occurs, and the bearing capacity of the shield beam is better ensured, the bearing capacity of the top beam is better ensured, so that the structural stress performance of the hydraulic support is better ensured. In addition, the whole structure of the top beam body 2 is simpler. In addition, be connected with the horizontal muscle 14 of second in the second of base 1 between main muscle 11 and the outer main muscle 12 of second, the one end and the first horizontal muscle 13 of the horizontal muscle 14 of this second are connected, the other end is connected with post nest 15, and the horizontal muscle 14 slope of this second sets up, so that the space between main muscle 11 and the outer main muscle 12 of second in the make full use of second increases the length of the horizontal muscle 14 of second, raise the position at the horizontal muscle 14 place of second simultaneously, thereby improve the connection effect of the horizontal muscle 14 of second, and then realize preventing better that post nest 15 from removing, strengthen the bearing capacity of post nest 15 department.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A hydraulic mount, comprising:
the device comprises a base and a top beam connected with the base;
the top beam comprises a top beam body, the top beam body comprises a first inner main rib and a first outer main rib which are opposite, the surface of the first inner main rib is connected with a flitch, and the thickness of the first outer main rib is larger than that of the first inner main rib and smaller than the sum of the thicknesses of the first inner main rib and the flitch;
the base includes the main muscle outside relative second interior main muscle and the second, be connected with horizontal muscle of first muscle, second and post nest between the main muscle outside main muscle in the second and the second, the horizontal muscle slope of second sets up, the horizontal muscle of second one end with the horizontal muscle of first is connected, the horizontal muscle of second the other end with the post nest is connected.
2. The hydraulic mount of claim 1,
the top beam also comprises a telescopic beam, wherein the telescopic beam comprises a first beam body and at least two second beam bodies which are mutually connected and arranged side by side, and a first cylinder body and at least two second cylinder bodies which are respectively connected with the top beam body and arranged side by side;
the at least two second beam bodies are respectively positioned on two sides of the first beam body; the at least two second cylinders are respectively positioned at two sides of the first cylinder;
the first beam body and the second beam body are respectively of a first box body structure; the first beam body is movably arranged in the first cylinder body; the second beam is movably disposed within the second cylinder.
3. A hydraulic mount according to claim 2,
the second beam body comprises at least two first box bodies which are connected with each other and arranged side by side.
4. A hydraulic mount according to claim 3,
the second beam body further comprises a second box body, and the second box body is connected between at least two first box bodies and is positioned at the outer end part of each first box body.
5. A hydraulic mount according to claim 4,
the telescopic beam further comprises a connecting plate, and the connecting plate is connected with the outer end part of the first beam body, the outer end part of the first box body and the outer end part of the second box body respectively.
6. A hydraulic mount according to claim 5,
the connecting plate is an L-shaped plate, and the inner surface of the connecting plate is respectively connected with the outer end face and the bottom face of the first beam body, the outer end face and the bottom face of the first box body and the outer end face and the bottom face of the second box body.
7. A hydraulic mount according to claim 3,
at least two first through holes are formed in the outer side wall, located on the outer side, of the first box body in the at least two first box bodies, and the at least two first through holes are sequentially arranged along the length direction of the first box body;
the outer side wall of the second cylinder is provided with at least two second through holes which are sequentially arranged along the direction of the second cylinder;
when the second beam body is installed in place in the second cylinder body, the first through hole corresponds to the second through hole.
8. The hydraulic mount of claim 1,
the number of the first inner main ribs is two, and the two first inner main ribs are arranged oppositely;
the roof beam body still including connect in two first apron between the owner muscle in, the quantity of first apron is one.
9. The hydraulic mount of claim 1,
the second inner main rib and the second outer main rib are of an integrally formed structure, and the thicknesses of the second inner main rib and the second outer main rib are respectively equal to a preset value;
the base further comprises a bottom plate, a third transverse rib and a bent second cover plate, the bottom plate is respectively connected with the second inner main rib and the second outer main rib, the third transverse rib and the second cover plate are connected between the second inner main rib and the second outer main rib, the third transverse rib is connected with the second cover plate, and the second inner main rib, the second outer main rib, the third transverse rib and the second cover plate enclose a second box body structure;
the column nest is connected with the third transverse bar;
a fourth transverse rib connected with the second inner main rib, the second outer main rib and the third transverse rib is arranged in the second box body structure; only the fourth transverse rib is arranged in the second box body structure;
the number of the second cover plates is one.
10. A coal mining apparatus, characterized by comprising a hydraulic support according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111229344.6A CN114215571A (en) | 2021-10-21 | 2021-10-21 | Hydraulic support and coal mining equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111229344.6A CN114215571A (en) | 2021-10-21 | 2021-10-21 | Hydraulic support and coal mining equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114215571A true CN114215571A (en) | 2022-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111229344.6A Pending CN114215571A (en) | 2021-10-21 | 2021-10-21 | Hydraulic support and coal mining equipment |
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| Country | Link |
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| CN (1) | CN114215571A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202170801U (en) * | 2011-07-12 | 2012-03-21 | 三一重型综采成套装备有限公司 | Hydraulic bracket and telescopic beam device and mechanized mining face thereof |
| CN102877840A (en) * | 2012-10-16 | 2013-01-16 | 中国煤炭进出口公司 | Coal mining equipment |
| CN205977250U (en) * | 2016-08-26 | 2017-02-22 | 兖矿集团有限公司 | Novel box type substructure needling device |
| WO2018086328A1 (en) * | 2016-11-09 | 2018-05-17 | 安徽理工大学 | Shield support device fully enclosing soil-like coal working face |
| CN109812286A (en) * | 2017-11-22 | 2019-05-28 | 三一重型装备有限公司 | Reinforcing rib and hydraulic support |
| CN215907897U (en) * | 2021-10-21 | 2022-02-25 | 三一重型装备有限公司 | Hydraulic support and coal mining equipment |
-
2021
- 2021-10-21 CN CN202111229344.6A patent/CN114215571A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202170801U (en) * | 2011-07-12 | 2012-03-21 | 三一重型综采成套装备有限公司 | Hydraulic bracket and telescopic beam device and mechanized mining face thereof |
| CN102877840A (en) * | 2012-10-16 | 2013-01-16 | 中国煤炭进出口公司 | Coal mining equipment |
| CN205977250U (en) * | 2016-08-26 | 2017-02-22 | 兖矿集团有限公司 | Novel box type substructure needling device |
| WO2018086328A1 (en) * | 2016-11-09 | 2018-05-17 | 安徽理工大学 | Shield support device fully enclosing soil-like coal working face |
| CN109812286A (en) * | 2017-11-22 | 2019-05-28 | 三一重型装备有限公司 | Reinforcing rib and hydraulic support |
| CN215907897U (en) * | 2021-10-21 | 2022-02-25 | 三一重型装备有限公司 | Hydraulic support and coal mining equipment |
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