CN112049673A - Hydraulic support top beam structure and hydraulic support - Google Patents
Hydraulic support top beam structure and hydraulic support Download PDFInfo
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- CN112049673A CN112049673A CN202010959434.XA CN202010959434A CN112049673A CN 112049673 A CN112049673 A CN 112049673A CN 202010959434 A CN202010959434 A CN 202010959434A CN 112049673 A CN112049673 A CN 112049673A
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- 230000007704 transition Effects 0.000 claims description 12
- 238000005452 bending Methods 0.000 abstract description 21
- 239000003245 coal Substances 0.000 abstract description 4
- 238000005065 mining Methods 0.000 abstract description 4
- 210000003205 muscle Anatomy 0.000 description 28
- 238000005336 cracking Methods 0.000 description 10
- 230000006978 adaptation Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004519 manufacturing process 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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Abstract
The invention discloses a top beam structure of a hydraulic support and the hydraulic support, relates to the technical field of fully mechanized mining equipment of coal mines, and mainly aims to improve the bearing capacity of the position of a column cap of the top beam so as to improve the integral bending resistance and torsion resistance of the top beam. The main technical scheme of the invention is as follows: this hydraulic support back timber structure includes: the first box body, the second box body, the sunken first cover plate, and a top beam body, an inner main rib, an outer main rib, a front transverse rib and a rear transverse rib which are connected with each other; the periphery of the first cover plate is respectively connected with the inner main rib, the outer main rib, the front transverse rib and the rear transverse rib, and connecting intersection points are respectively formed at the corners of the end part of the first cover plate; the first box body is coated on a connection intersection point at one end of the first cover plate and is respectively connected with the first cover plate, the inner main rib, the outer main rib and the top beam body; the second box body is coated on the connection intersection point at the other end of the first cover plate, and the second box body is respectively connected with the first cover plate, the inner main rib, the outer main rib and the top beam body.
Description
Technical Field
The invention relates to the technical field of fully mechanized mining equipment for coal mines, in particular to a top beam structure of a hydraulic support and the hydraulic support.
Background
The support operation is usually carried out by using hydraulic support equipment in the withdrawal type coal mining process, the use safety of the hydraulic support directly determines the safety of coal production, the top beam is a main support stress structural member of the hydraulic support, the column cap is a position where the load of the upright column is concentrated, the applied bending moment and the applied torsional moment are large, and the support with large resistance and large mining height is easy to crack and break.
At present, the position at cap on the back timber of support to adopting high greatly, big resistance is provided with inside sunken apron usually for dispersion cap department received moment of flexure and torsional force, simultaneously, the front and back horizontal muscle of back timber is arranged respectively in the front and back side of this sunken apron, the branch side about sunken apron is arranged respectively to the inside and outside main muscle of back timber, in order to improve the intensity of roof beam, and in addition, the front and back horizontal muscle is connected with the both ends of sunken apron respectively, inside and outside main muscle is connected with the both sides of sunken apron respectively.
However, connection intersection points are formed at four corners of the concave cover plate among the concave cover plate, the transverse ribs and the main ribs, and stress is concentrated at the connection intersection points, so that cracking is easy to occur, the bearing capacity of the cap position of the top beam is poor, and the overall bending resistance and the torsion resistance of the top beam are poor.
Disclosure of Invention
The embodiment of the invention provides a top beam structure of a hydraulic support and the hydraulic support, and mainly aims to improve the bearing capacity of the position of a column cap of the top beam, so that the integral bending resistance and torsion resistance of the top beam are improved.
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 top beam structure of a hydraulic support, including:
the first box body, the second box body, the sunken first cover plate, and a top beam body, an inner main rib, an outer main rib, a front transverse rib and a rear transverse rib which are connected with each other;
the periphery of the first cover plate is respectively connected with the inner main rib, the outer main rib, the front transverse rib and the rear transverse rib, and connecting intersection points are respectively formed at corners of the end part of the first cover plate;
the first box body is coated on the connection intersection point at one end of the first cover plate, and the first box body is respectively connected with the first cover plate, the inner main rib, the outer main rib and the top beam body;
the second box body is coated on the connection intersection point at the other end of the first cover plate, and the second box body is respectively connected with the first cover plate, the inner main rib, the outer main rib and the top beam body.
Furthermore, the first box body comprises a first plate body, a second plate body, a first transverse rib and a second transverse rib;
the first plate body is arranged in an extending mode towards the direction of the inner main rib based on the outer main rib, and the second plate body is arranged in an extending mode towards the direction of the outer main rib based on the inner main rib;
the first plate body and the second plate body are opposite and mutually connected, and cover the connection intersection point at one end of the first cover plate;
the first transverse rib is positioned on one side of the first plate body and one side of the second plate body and is respectively connected with the first plate body, the second plate body and the top beam body;
the second transverse rib is located on the other side of the first plate body and the other side of the second plate body and is connected with the first plate body, the second plate body and the first cover plate respectively.
Furthermore, the first plate body is integrally connected with the outer main rib, and the first plate body extends along an arc-shaped track;
the end surface of the first plate body is in smooth transition connection with the end surface of the outer main rib;
the second plate body is integrally connected with the inner main rib, and extends along an arc-shaped track;
and the end surface of the second plate body is in smooth transition connection with the end surface of the inner main rib.
Further, the first box body also comprises a second cover plate;
a first gap is formed between the first plate body and the second plate body, and the first plate body and the second plate body are connected with each other through the second cover plate;
one end of the second cover plate is overlapped with the first plate body and is connected with the first plate body, and the other end of the second cover plate is overlapped with the second plate body and is connected with the second plate body.
Furthermore, the second box body comprises a third plate body, a fourth plate body, a third transverse rib and a fourth transverse rib;
the third plate body is arranged in an extending mode towards the direction of the inner main rib based on the outer main rib, and the fourth plate body is arranged in an extending mode towards the direction of the outer main rib based on the inner main rib;
the third plate body and the fourth plate body are opposite and mutually connected, and cover the connection intersection point at the other end of the first cover plate;
the third transverse bar is positioned on one side of the third plate body and one side of the fourth plate body and is respectively connected with the third plate body, the fourth plate body and the top beam body;
the fourth transverse rib is located on the other side of the third plate body and the other side of the fourth plate body and is connected with the third plate body, the fourth plate body and the first cover plate respectively.
Furthermore, the third plate body is integrally connected with the outer main rib, and the third plate body extends along an arc-shaped track;
the end surface of the third plate body is in smooth transition connection with the end surface of the outer main rib;
the fourth plate body is integrally connected with the inner main rib, and extends along an arc-shaped track;
and the end surface of the fourth plate body is in smooth transition connection with the end surface of the inner main rib.
Further, the second box body also comprises a third cover plate;
a second gap is formed between the third plate body and the fourth plate body, and the third plate body and the fourth plate body are connected with each other through a third cover plate;
one end of the third cover plate is overlapped with the third plate body and is connected with the third plate body, and the other end of the third cover plate is overlapped with the fourth plate body and is connected with the fourth plate body.
Furthermore, the first transverse rib is in a convex shape, the small end of the first transverse rib is inserted into the first gap and is respectively connected with the first plate body and the second plate body, and the large end of the first transverse rib is respectively connected with the first plate body, the second plate body and the top beam body;
the transverse rib of the second is in a convex shape, the small end of the transverse rib of the second is inserted into the first gap and is respectively connected with the first plate body and the second plate body, and the big end of the transverse rib of the second is respectively connected with the first plate body, the second plate body and the first cover plate.
Furthermore, the third transverse rib is convex, the small end of the third transverse rib is inserted into the second gap and is respectively connected with the third plate body and the fourth plate body, and the large end of the third transverse rib is respectively connected with the third plate body, the fourth plate body and the top beam body;
the fourth transverse rib is in a convex shape, the small end of the fourth transverse rib is inserted into the second gap and is respectively connected with the third plate body and the fourth plate body, and the large end of the fourth transverse rib is respectively connected with the third plate body, the fourth plate body and the first cover plate.
In another aspect, an embodiment of the present invention provides a hydraulic support, including the foregoing hydraulic support top beam structure.
By means of the technical scheme, the invention at least has the following beneficial effects:
in the technical scheme provided by the embodiment of the invention, the first box body is coated on the connecting intersection points formed by connecting one end of the first cover plate with the front transverse rib, the inner main rib and the outer main rib, the second box body is coated on the connecting intersection points formed by connecting the other end of the first cover plate with the rear transverse rib, the inner main rib and the outer main rib, and the first box body and the second box body are respectively connected with the first cover plate, the inner main rib, the outer main rib and the top beam body, namely, the first box body and the second box body can coat the connecting intersection points with concentrated stress, as the moment of force applied to the box body positioned outside is larger, the moment of force applied to the connecting intersection points positioned inside the box body is smaller, the acting force applied to the box bodies is smaller, the acting force applied to the connecting intersection points is shared, the stress concentration condition at the connecting intersection points is improved, and the cracking accident at the, the bearing capacity of the top beam at the position of the column cap is improved, and further the integral bending resistance and torsion resistance of the top beam are improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a top beam structure of a hydraulic support according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional structural view of a top beam structure of a hydraulic support according to an embodiment of the present invention;
fig. 3 is a schematic perspective view illustrating a top beam structure of a hydraulic support according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a top beam structure of a hydraulic support, in which an outer main rib and an inner main rib correspond to each other.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used 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 and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
As shown in fig. 1, 2 and 3, an embodiment of the present invention provides a top beam structure of a hydraulic support, including a first box 1, a second box 2, a concave first cover plate 3, and a top beam body 4, an inner main rib 5, an outer main rib 6, a front transverse rib 7 and a rear transverse rib 8, which are connected to each other; the periphery of the first cover plate 3 is respectively connected with the inner main rib 5, the outer main rib 6, the front transverse rib 7 and the rear transverse rib 8, and a connection intersection point 9 is respectively formed at the corner of the end part of the first cover plate 3; the first box body 1 is coated on a connection intersection point 9 at one end of the first cover plate 3, and the first box body 1 is respectively connected with the first cover plate 3, the inner main rib 5, the outer main rib 6 and the top beam body 4; the second box body 2 is coated on a connection intersection point 9 at the other end of the first cover plate 3, and the second box body 2 is respectively connected with the first cover plate 3, the inner main rib 5, the outer main rib 6 and the top beam body 4.
Wherein, preceding horizontal muscle 7, the horizontal muscle 8 in back, interior main muscle 5 and outer main muscle 6 can violently indulge crisscross ground and be connected with back timber body 4, and sunken first apron 3 can be trapezoidal plate, and this first apron 3 can be connected in the space that horizontal muscle 7, the horizontal muscle 8 in back, interior main muscle 5 and outer main muscle 6 enclose in the front. The caps may be provided on the bottom plate of the first cover 3, and the first casing 1 may be coupled with one slope plate of the first cover 3, and the second casing 2 may be coupled with the other slope plate of the first cover 3. Specifically, first apron 3 can be for being located four of its four corners department with preceding horizontal muscle 7, the horizontal muscle 8 in back, the nodical 9 of being connected between interior main muscle 5 and the outer main muscle 6, and first box 1 can coat in two that are located 3 one ends of first apron and connect nodical 9 outsidely, and second box 2 can coat in the outside that is located two of the 3 other ends of first apron and connect nodical 9.
In the top beam structure of the hydraulic support provided by the embodiment of the invention, the first box body 1 is coated on a connection intersection point 9 formed by connecting one end of the first cover plate 3 with the front transverse rib 7, the inner main rib 5 and the outer main rib 6, the second box body 2 is coated on a connection intersection point 9 formed by connecting the other end of the first cover plate 3 with the rear transverse rib 8, the inner main rib 5 and the outer main rib 6, and the first box body 1 and the second box body 2 are respectively connected with the first cover plate 3, the inner main rib 5, the outer main rib 6 and the top beam body 4, namely, the first box body 1 and the second box body 2 can coat the connection intersection point 9 with concentrated stress, because the moment applied to the box body positioned outside is large, the moment applied to the box body positioned inside is small, and then the small acting force is applied to the box bodies, so that the acting force applied to the connection intersection point 9 is shared by the box bodies, the stress concentration condition at the connection intersection point 9 is improved, so that the cracking accident at the connection intersection point 9 is avoided, the bearing capacity at the position of the cap of the top beam is improved, and the integral bending resistance and torsion resistance of the top beam are improved.
In an alternative embodiment, referring to fig. 1, 2 and 3, the first box 1 may include a first plate 11, a second plate 12, a first transverse rib 13 and a second transverse rib 14; the first plate body 11 can be arranged to extend towards the inner main rib 5 based on the outer main rib 6, and the second plate body 12 can be arranged to extend towards the outer main rib 6 based on the inner main rib 5; the first plate body 11 and the second plate body 12 are opposite and mutually connected and cover a connection intersection point 9 at one end of the first cover plate 3; the first transverse rib 13 is positioned on one side of the first plate body 11 and the second plate body 12 and is respectively connected with the first plate body 11, the second plate body 12 and the top beam body 4; the second transverse rib 14 is located at the other side of the first plate body 11 and the second plate body 12, and is connected to the first plate body 11, the second plate body 12 and the first cover plate 3 respectively.
In the above embodiment, the first plate body 11, the second plate body 12, the first transverse rib 13 and the second transverse rib 14 enclose the first box body 1, and the first transverse rib 13 is connected with the top beam body 4, and the second transverse rib 14 is connected with the first cover plate 3, which is equivalent to wrapping the connection intersection point 9 in a closed space, so that the bending resistance and the torsion resistance of the first box body 1 are improved, the stress concentration condition at the connection intersection point 9 is better improved, and the cracking accident at the connection intersection point 9 is better avoided.
In an alternative embodiment, with reference to fig. 3 and 4, the first plate 11 is integrally connected to the outer main rib 6, and the first plate 11 extends along an arc-shaped trajectory; the end surface of the first plate body 11 is in smooth transition connection with the end surface of the outer main rib 6 to form a first arc structure 111; the second plate body 12 is integrally connected with the inner main rib 5, and the second plate body 12 extends along an arc-shaped track; the end surface of the second plate body 12 is in smooth transition connection with the end surface of the inner main rib 5 to form a second arc structure 112.
According to the above-mentioned embodiment, set up to extend along the arc orbit through first plate body 11 and second plate body 12, and set up the circular arc structure at the root of the two, make first plate body 11 and second plate body 12 and outer main muscle 6 and interior main muscle 5 between there is not any closed angle, the stress concentration point has effectively been avoided first box 1 to appear, thereby further improved the bending resistance and the torsional resistance of first box 1, thereby improve the stress concentration condition of connecting nodical 9 department better, thereby avoid connecting nodical 9 department and taking place the fracture accident better.
In an alternative embodiment, referring to fig. 1, 3 and 4, the first casing 1 may further include a second cover 15; a first gap may be formed between the first plate body 11 and the second plate body 12, and the first plate body 11 and the second plate body 12 are connected to each other through a second cover plate 15; specifically, one end of the second cover plate 15 may be disposed to overlap and be connected to the first plate 11, and the other end of the second cover plate 15 may be disposed to overlap and be connected to the second plate 12.
In the above embodiment, the first plate 11 and the second plate 12 are connected by the second cover plate 15, and the second cover plate 15 and the first plate 11 and the second plate 12 both have overlapping connection portions, so that the connection strength of the first case 1 is improved, the bending resistance and the torsion resistance of the first case 1 are further improved, the stress concentration at the connection intersection 9 is further improved, and the cracking accident at the connection intersection 9 is further avoided. Specifically, the second cover plate 15 may overlap on the outer surfaces of the first plate body 11 and the second plate body 12.
In an alternative embodiment, the first plate 11 and the second plate 12 may be connected to the second cover 15 after being butted against each other, so as to further increase the connection strength of the first casing 1, and further increase the bending and torsion resistance of the first casing 1.
In an alternative embodiment, the first plate 11 and the second plate 12 may be integrally connected and the second cover 15 may be connected to the outer surfaces of the two, or the second cover 15 may be eliminated, which may also increase the connection strength of the first case 1, thereby further increasing the bending and torsion resistance of the first case 1.
In an alternative embodiment, referring to fig. 1, 2 and 3, the second box 2 may include a third plate 21, a fourth plate 22, a third transverse bar 23 and a fourth transverse bar 24; the third plate body 21 can be arranged to extend towards the inner main rib 5 based on the outer main rib 6, and the fourth plate body 22 can be arranged to extend towards the outer main rib 6 based on the inner main rib 5; the third plate body 21 and the fourth plate body 22 are opposite and mutually connected and cover the connection intersection point 9 at the other end of the first cover plate 3; the third transverse rib 23 is positioned on one side of the third plate body 21 and the fourth plate body 22, and is respectively connected with the third plate body 21, the fourth plate body 22 and the top beam body 4; the fourth transverse rib 24 is located on the other side of the third plate body 21 and the fourth plate body 22, and is connected to the third plate body 21, the fourth plate body 22 and the first cover plate 3 respectively.
In the above embodiment, the second box body 2 is enclosed by the third plate body 21, the fourth plate body 22, the third transverse rib 23 and the fourth transverse rib 24, moreover, the third transverse rib 23 is connected with the top beam body 4, and the fourth transverse rib 24 is connected with the first cover plate 3, which is equivalent to wrapping the connection intersection point 9 in a closed space, so that the bending resistance and the torsion resistance of the second box body 2 are improved, the stress concentration condition at the connection intersection point 9 is better improved, and the cracking accident at the connection intersection point 9 is better avoided.
In an alternative embodiment, see fig. 3 and 4, the third plate 21 is integrally connected to the outer main rib 6, and the third plate 21 extends along an arc-shaped trajectory; the end surface of the third plate body 21 is in smooth transition connection with the end surface of the outer main rib 6 to form a third arc structure 211; the fourth plate body 22 is integrally connected with the inner main rib 5, and the fourth plate body 22 extends along an arc-shaped track; the end surface of the fourth plate body 22 is in smooth transition connection with the end surface of the inner main rib 5 to form a fourth arc structure 212.
According to the above-mentioned embodiment, set up to extend along the arc orbit through with third plate body 21 and fourth plate body 22, and set up the circular arc structure at the root of the two, make third plate body 21 and fourth plate body 22 and outer main muscle 6 and interior main muscle 5 between there is not any closed angle, stress concentration point has effectively been avoided second box 2 to appear, thereby further improved the bending resistance and the torsional resistance of second box 2, thereby improve the stress concentration condition of connecting nodical 9 department better, thereby avoid connecting nodical 9 department and taking place the fracture accident better.
In an alternative embodiment, referring to fig. 1, 3 and 4, the second casing 2 may further comprise a third cover plate 25; a second gap may be formed between the third plate body 21 and the fourth plate body 22, and the third plate body 21 and the fourth plate body 22 are connected to each other by a third cover plate 25; specifically, one end of the third cover plate 25 may be disposed to overlap with and connected to the third plate body 21, and the other end of the third cover plate 25 may be disposed to overlap with and connected to the fourth plate body 22.
In the above embodiment, the third plate 21 and the fourth plate 22 are connected by the third cover plate 25, and the third cover plate 25 and the third plate 21 and the fourth plate 22 have overlapping connection portions, so that the connection strength of the second box 2 is improved, the bending resistance and the torsion resistance of the second box 2 are further improved, the stress concentration at the connection intersection 9 is further improved, and the cracking accident at the connection intersection 9 is further avoided. Specifically, the third cover plate 25 may overlap at outer surfaces of the third plate body 21 and the fourth plate body 22.
In an alternative embodiment, the third plate 21 and the fourth plate 22 may be connected to the outer surface of the second case 2 by a third cover plate 25 after being butted against each other, so as to further increase the connection strength of the second case 2, and further increase the bending and torsion resistance of the second case 2.
In an alternative embodiment, the third plate 21 and the fourth plate 22 may be integrally connected and the third cover plate 25 is connected to the outer surface of the two, or the third cover plate 25 is eliminated, which may also increase the connection strength of the second casing 2, thereby further increasing the bending and torsion resistance of the second casing 2.
In an alternative embodiment, referring to fig. 3, the first transverse rib 13 may be in a convex shape, the small end 131 of the first transverse rib 13 may be inserted into the first gap and connected to the first plate 11 and the second plate 12, respectively, and the large end 132 of the first transverse rib 13 may be connected to the first plate 11, the second plate 12, and the top beam body 4, respectively; the second transverse rib 14 can be in a convex shape, the small end of the second transverse rib 14 can be inserted into the first gap and respectively connected with the first plate body 11 and the second plate body 12, and the large end of the second transverse rib 14 can be respectively connected with the first plate body 11, the second plate body 12 and the first cover plate 3.
In the above embodiment, the first transverse rib 13 and the second transverse rib 14 are arranged in the convex structure, when the first plate 11 and the second plate 12 are connected, the small end of the first transverse rib can block the first gap between the first plate 11 and the second plate 12, so as to improve the sealing performance of the first box 1, further improve the bending resistance and the torsion resistance of the first box 1, further improve the stress concentration at the connection intersection point 9, and further avoid the cracking accident at the connection intersection point 9. Wherein, because first plate body 11 and second plate body 12 all extend along the arc orbit, in this embodiment, in order to make first horizontal muscle 13 and the horizontal muscle 14 of second can with the first plate body 11 with the connection of second plate body 12 looks adaptation, can set up the main aspects both sides of first horizontal muscle 13 and the horizontal muscle 14 of second into the arc with first plate body 11 and second plate body 12 looks adaptation, thereby improve the closure of first box 1 better, and then improve the bending resistance and the torsional resistance of first box 1 further.
In an alternative embodiment, referring to fig. 3, the third transverse rib 23 may be in a convex shape, a small end of the third transverse rib 23 may be inserted into the second gap and connected to the third plate 21 and the fourth plate 22, respectively, and a large end of the third transverse rib 23 may be connected to the third plate 21, the fourth plate 22, and the top beam body 4, respectively; the fourth transverse bar 24 may be in a shape of a Chinese character 'tu', the small end 241 of the fourth transverse bar 24 may be inserted into the second gap and connected to the third plate 21 and the fourth plate 22, and the large end 242 of the fourth transverse bar 24 may be connected to the third plate 21, the fourth plate 22 and the first cover plate 3.
In the above embodiment, the third transverse rib 23 and the fourth transverse rib 24 are arranged in the shape of a Chinese character 'tu', and when the third plate 21 and the fourth plate 22 are connected, the small end of the third transverse rib can block the second gap between the third plate 21 and the fourth plate 22, so that the sealing performance of the second box body 2 is improved, the bending resistance and the torsion resistance of the second box body 2 are further improved, the stress concentration at the connection intersection point 9 is further improved, and the cracking accident at the connection intersection point 9 is further avoided. Wherein, because the third plate body 21 and the fourth plate body 22 all extend along the arc orbit, in this embodiment, in order to make the horizontal muscle 23 of third and the horizontal muscle 24 of fourth can with the third plate body 21 with be connected of fourth plate body 22 looks adaptation, can set up the main aspects both sides of the horizontal muscle 23 of third and the horizontal muscle 24 of fourth into the arc with the third plate body 21 with fourth plate body 22 looks adaptation, thereby improve the closure of second box 2 better, and then further improve the bending resistance and the torsional resistance of second box 2.
The embodiment of the invention also provides the hydraulic support, which comprises the top beam structure of the hydraulic support.
The hydraulic support comprises a hydraulic support top beam structure, wherein a first box body 1 is wrapped on a connecting intersection point 9 formed by connecting one end of a first cover plate 3 with a front transverse rib 7, an inner main rib 5 and an outer main rib 6, a second box body 2 is wrapped on a connecting intersection point 9 formed by connecting the other end of the first cover plate 3 with a rear transverse rib 8, the inner main rib 5 and the outer main rib 6, and the first box body 1 and the second box body 2 are respectively connected with the first cover plate 3, the inner main rib 5, the outer main rib 6 and a top beam body 4, namely, the first box body 1 and the second box body 2 can wrap the connecting intersection point 9 with concentrated stress inside, and because the moment applied to the box body positioned outside is large, the moment applied to the connecting intersection point 9 positioned inside the box body is small, and then the moment applied to the box body is small, so that the box bodies share the acting force applied to the connecting intersection point 9, the stress concentration condition at the connection intersection point 9 is improved, so that the cracking accident at the connection intersection point 9 is avoided, the bearing capacity at the position of the cap of the top beam is improved, and the integral bending resistance and torsion resistance of the top beam are improved.
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 support header structure, comprising:
the first box body, the second box body, the sunken first cover plate, and a top beam body, an inner main rib, an outer main rib, a front transverse rib and a rear transverse rib which are connected with each other;
the periphery of the first cover plate is respectively connected with the inner main rib, the outer main rib, the front transverse rib and the rear transverse rib, and connecting intersection points are respectively formed at corners of the end part of the first cover plate;
the first box body is coated on the connection intersection point at one end of the first cover plate, and the first box body is respectively connected with the first cover plate, the inner main rib, the outer main rib and the top beam body;
the second box body is coated on the connection intersection point at the other end of the first cover plate, and the second box body is respectively connected with the first cover plate, the inner main rib, the outer main rib and the top beam body.
2. The hydraulic support header structure of claim 1,
the first box body comprises a first plate body, a second plate body, a first transverse rib and a second transverse rib;
the first plate body is arranged in an extending mode towards the direction of the inner main rib based on the outer main rib, and the second plate body is arranged in an extending mode towards the direction of the outer main rib based on the inner main rib;
the first plate body and the second plate body are opposite and mutually connected, and cover the connection intersection point at one end of the first cover plate;
the first transverse rib is positioned on one side of the first plate body and one side of the second plate body and is respectively connected with the first plate body, the second plate body and the top beam body;
the second transverse rib is located on the other side of the first plate body and the other side of the second plate body and is connected with the first plate body, the second plate body and the first cover plate respectively.
3. The hydraulic support header structure of claim 2,
the first plate body is integrally connected with the outer main rib, and the first plate body extends along an arc-shaped track;
the end surface of the first plate body is in smooth transition connection with the end surface of the outer main rib;
the second plate body is integrally connected with the inner main rib, and extends along an arc-shaped track;
and the end surface of the second plate body is in smooth transition connection with the end surface of the inner main rib.
4. The hydraulic support header structure of claim 2,
the first box body also comprises a second cover plate;
a first gap is formed between the first plate body and the second plate body, and the first plate body and the second plate body are connected with each other through the second cover plate;
one end of the second cover plate is overlapped with the first plate body and is connected with the first plate body, and the other end of the second cover plate is overlapped with the second plate body and is connected with the second plate body.
5. The hydraulic support header structure of claim 1,
the second box body comprises a third plate body, a fourth plate body, a third transverse rib and a fourth transverse rib;
the third plate body is arranged in an extending mode towards the direction of the inner main rib based on the outer main rib, and the fourth plate body is arranged in an extending mode towards the direction of the outer main rib based on the inner main rib;
the third plate body and the fourth plate body are opposite and mutually connected, and cover the connection intersection point at the other end of the first cover plate;
the third transverse bar is positioned on one side of the third plate body and one side of the fourth plate body and is respectively connected with the third plate body, the fourth plate body and the top beam body;
the fourth transverse rib is located on the other side of the third plate body and the other side of the fourth plate body and is connected with the third plate body, the fourth plate body and the first cover plate respectively.
6. The hydraulic support header structure of claim 5,
the third plate body is integrally connected with the outer main rib, and extends along an arc-shaped track;
the end surface of the third plate body is in smooth transition connection with the end surface of the outer main rib;
the fourth plate body is integrally connected with the inner main rib, and extends along an arc-shaped track;
and the end surface of the fourth plate body is in smooth transition connection with the end surface of the inner main rib.
7. The hydraulic support header structure of claim 5,
the second box body also comprises a third cover plate;
a second gap is formed between the third plate body and the fourth plate body, and the third plate body and the fourth plate body are connected with each other through a third cover plate;
one end of the third cover plate is overlapped with the third plate body and is connected with the third plate body, and the other end of the third cover plate is overlapped with the fourth plate body and is connected with the fourth plate body.
8. The hydraulic support header structure of claim 4,
the first transverse rib is in a convex shape, the small end of the first transverse rib is inserted into the first gap and is respectively connected with the first plate body and the second plate body, and the large end of the first transverse rib is respectively connected with the first plate body, the second plate body and the top beam body;
the transverse rib of the second is in a convex shape, the small end of the transverse rib of the second is inserted into the first gap and is respectively connected with the first plate body and the second plate body, and the big end of the transverse rib of the second is respectively connected with the first plate body, the second plate body and the first cover plate.
9. The hydraulic support header structure of claim 7,
the third transverse rib is convex, the small end of the third transverse rib is inserted into the second gap and is respectively connected with the third plate body and the fourth plate body, and the large end of the third transverse rib is respectively connected with the third plate body, the fourth plate body and the top beam body;
the fourth transverse rib is in a convex shape, the small end of the fourth transverse rib is inserted into the second gap and is respectively connected with the third plate body and the fourth plate body, and the large end of the fourth transverse rib is respectively connected with the third plate body, the fourth plate body and the first cover plate.
10. A hydraulic mount, comprising:
the hydraulic support header structure of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010959434.XA CN112049673A (en) | 2020-09-14 | 2020-09-14 | Hydraulic support top beam structure and hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010959434.XA CN112049673A (en) | 2020-09-14 | 2020-09-14 | Hydraulic support top beam structure and hydraulic support |
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| Publication Number | Publication Date |
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| CN112049673A true CN112049673A (en) | 2020-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010959434.XA Pending CN112049673A (en) | 2020-09-14 | 2020-09-14 | Hydraulic support top beam structure and hydraulic support |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112780318A (en) * | 2021-02-22 | 2021-05-11 | 三一重型装备有限公司 | Top beam and hydraulic support |
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| CN109812286A (en) * | 2017-11-22 | 2019-05-28 | 三一重型装备有限公司 | Reinforcing rib and hydraulic support |
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| US3399927A (en) * | 1965-04-21 | 1968-09-03 | Karl M. Groetschel | Self-advancing mine roof support including a protective mat for the roof |
| CN201826865U (en) * | 2010-10-29 | 2011-05-11 | 中平能化集团机械制造有限公司 | Walking beam of hydraulic support test stand |
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