阅读说明：本技术 液压支架掩护梁及液压支架 (Hydraulic support shield beam and hydraulic support ) 是由 魏栋梁 柳佳岐 孙晓亮 于 2021-10-21 设计创作，主要内容包括：本发明公开了一种液压支架掩护梁及液压支架,涉及煤矿综采设备技术领域,主要目的是实现在加工销轴孔时为机床的刀具预留退刀量,以便于销轴孔的加工。本发明的主要技术方案为：该液压支架掩护梁包括内主筋,所述内主筋上设置有销轴孔；挡销件,所述挡销件连接于所述内主筋的内表面,且位于所述销轴孔处并遮挡所述销轴孔,所述挡销件上设置有内凹的腔体,所述腔体与所述销轴孔相对,所述腔体能够容纳穿过所述销轴孔的销轴。(The invention discloses a hydraulic support shield beam and a hydraulic support, relates to the technical field of fully mechanized mining equipment of coal mines, and mainly aims to reserve the tool withdrawal amount for a cutter of a machine tool when a pin shaft hole is machined so as to facilitate machining of the pin shaft hole. The main technical scheme of the invention is as follows: the hydraulic support shield beam comprises an inner main rib, wherein a pin shaft hole is formed in the inner main rib; keep off the round pin spare, keep off the round pin spare connect in the internal surface of interior owner muscle, and be located round pin shaft hole department shelters from round pin shaft hole, keep off the cavity that is provided with the indent on the round pin spare, the cavity with round pin shaft hole is relative, the cavity can hold and pass the round pin axle in round pin shaft hole.)

1. A hydraulic support shield beam, comprising:

the inner main rib is provided with a pin shaft hole;

keep off the round pin spare, keep off the round pin spare connect in the internal surface of interior owner muscle, and be located round pin shaft hole department shelters from round pin shaft hole, keep off the cavity that is provided with the indent on the round pin spare, the cavity with round pin shaft hole is relative, the cavity can hold and pass the round pin axle in round pin shaft hole.

2. The hydraulic support shelter beam of claim 1,

the pin blocking piece is semicircular, and the pin blocking piece shields one half of the pin shaft hole.

3. The hydraulic support shelter beam of claim 2,

the stop pin piece comprises a plane end and a curved surface end, and the curved surface end is connected with the inner surface of the inner main rib;

the cavity is semicircular and matched with the pin blocking piece, and the cavity penetrates through the plane end.

4. The hydraulic support shelter beam of claim 3,

the inner wall surface of the cavity is a smooth transition surface.

5. The hydraulic support shelter beam of claim 1, further comprising:

the number of the outer main ribs is two, and the two outer main ribs are arranged oppositely;

the number of the inner main ribs is two, and the two inner main ribs are oppositely arranged and are positioned between the two outer main ribs;

the outer main rib and the inner main rib are both of an integrally formed structure, and the thickness of the outer main rib and the thickness of the inner main rib are respectively equal to a preset value.

6. The hydraulic support shelter beam of claim 5, further comprising:

the first cover plate is connected between the two inner main ribs, and the number of the first cover plate is one.

7. The hydraulic support shelter beam of claim 6,

the hydraulic support shield beam also comprises a bottom plate, a second cover plate, a third cover plate, a first transverse rib, a second transverse rib and a third transverse rib; the two inner main ribs are respectively connected with the bottom plate and are respectively taken as a first inner main rib and a second inner main rib; the two outer main ribs are respectively connected with the bottom plate and are respectively taken as a first outer main rib and a second outer main rib, and the first outer main rib is adjacent to the first inner main rib;

the second cover plate and the first transverse rib are connected with each other and respectively connected between the first outer main rib and the first inner main rib, and the second cover plate, the first transverse rib, the first outer main rib, the first inner main rib and the bottom plate form a first box body structure in an enclosing manner;

the second transverse rib is connected with the first cover plate and connected between the first inner main rib and the second inner main rib, and the first cover plate, the second transverse rib, the first inner main rib, the second inner main rib and the bottom plate form a second box body structure in an enclosing manner;

the third cover plate and the third transverse rib are connected with each other and respectively connected between the second inner main rib and the second outer main rib, and the third cover plate, the third transverse rib, the second inner main rib, the second outer main rib and the bottom plate are enclosed to form a third box structure.

8. The hydraulic support shelter beam of claim 7, further comprising:

one end of the first wire arranging piece is connected to the first cover plate, and the other end of the first wire arranging piece is connected to the second cover plate;

and one end of the second wire arranging piece is connected to the first cover plate, and the other end of the second wire arranging piece is connected to the third cover plate.

9. The hydraulic support shelter beam of claim 8,

the first wire arranging piece and the second wire arranging piece are both U-shaped pieces.

10. A hydraulic support including a hydraulic support shelter beam as claimed in any one of claims 1 to 9.

Technical Field

The invention relates to the technical field of fully mechanized mining equipment of coal mines, in particular to a hydraulic support shield beam and a hydraulic support.

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.

The hydraulic support comprises a shield beam, a pin shaft hole is formed in a main rib of the shield beam, and the shield beam is rotatably connected with the base through the pin shaft hole and a pin shaft. At present, in order to prevent the pin shaft from axially moving, a rib plate is generally welded at the pin shaft hole of the inner main rib and used for blocking the pin shaft hole to axially move.

Disclosure of Invention

In view of this, the embodiment of the invention provides a hydraulic support shield beam and a hydraulic support, and mainly aims to reserve a tool retracting amount for a tool of a machine tool when a pin shaft hole is machined so as to facilitate machining of the pin shaft hole.

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 support shield beam, including:

the inner main rib is provided with a pin shaft hole;

keep off the round pin spare, keep off the round pin spare connect in the internal surface of interior owner muscle, and be located round pin shaft hole department shelters from round pin shaft hole, keep off the cavity that is provided with the indent on the round pin spare, the cavity with round pin shaft hole is relative, the cavity can hold and pass the round pin axle in round pin shaft hole.

Furthermore, the pin blocking piece is semicircular, and the pin blocking piece blocks one half of the pin shaft hole.

Further, the stop pin piece comprises a plane end and a curved end, and the curved end is connected with the inner surface of the inner main rib;

the cavity is semicircular and matched with the pin blocking piece, and the cavity penetrates through the plane end.

Further, the inner wall surface of the cavity is a smooth transition surface.

Further, the hydraulic support shield beam further comprises:

the number of the outer main ribs is two, and the two outer main ribs are arranged oppositely;

the number of the inner main ribs is two, and the two inner main ribs are oppositely arranged and are positioned between the two outer main ribs;

the outer main rib and the inner main rib are both of an integrally formed structure, and the thickness of the outer main rib and the thickness of the inner main rib are respectively equal to a preset value.

Further, the hydraulic support shield beam further comprises:

the first cover plate is connected between the two inner main ribs, and the number of the first cover plate is one.

Furthermore, the hydraulic support shield beam also comprises a bottom plate, a second cover plate, a third cover plate, a first transverse rib, a second transverse rib and a third transverse rib; the two inner main ribs are respectively connected with the bottom plate and are respectively taken as a first inner main rib and a second inner main rib; the two outer main ribs are respectively connected with the bottom plate and are respectively taken as a first outer main rib and a second outer main rib, and the first outer main rib is adjacent to the first inner main rib;

the second cover plate and the first transverse rib are connected with each other and respectively connected between the first outer main rib and the first inner main rib, and the second cover plate, the first transverse rib, the first outer main rib, the first inner main rib and the bottom plate form a first box body structure in an enclosing manner;

the second transverse rib is connected with the first cover plate and connected between the first inner main rib and the second inner main rib, and the first cover plate, the second transverse rib, the first inner main rib, the second inner main rib and the bottom plate form a second box body structure in an enclosing manner;

the third cover plate and the third transverse rib are connected with each other and respectively connected between the second inner main rib and the second outer main rib, and the third cover plate, the third transverse rib, the second inner main rib, the second outer main rib and the bottom plate are enclosed to form a third box structure.

Further, the hydraulic support shield beam further comprises:

one end of the first wire arranging piece is connected to the first cover plate, and the other end of the first wire arranging piece is connected to the second cover plate;

and one end of the second wire arranging piece is connected to the first cover plate, and the other end of the second wire arranging piece is connected to the third cover plate.

Further, the first wire arranging piece and the second wire arranging piece are both U-shaped pieces.

In another aspect, an embodiment of the present invention provides a hydraulic support, which includes the above-mentioned hydraulic support shield beam.

By means of the technical scheme, the invention at least has the following beneficial effects:

according to the technical scheme provided by the embodiment of the invention, the pin blocking piece is connected to the inner surface of the inner main rib, is positioned at the pin shaft hole and blocks the pin shaft hole to block the pin shaft in the pin shaft hole from moving along the axial direction, and is provided with the inwards concave cavity which is opposite to the pin shaft hole and can accommodate the pin shaft penetrating through the pin shaft hole, so that when the pin shaft hole is machined, the inwards concave cavity on the pin blocking piece can provide tool withdrawal for a tool of a machine tool, the tool of the machine tool can complete tool withdrawal through the inwards concave cavity, and the machining of the pin shaft hole is facilitated.

Drawings

Fig. 1 is a schematic structural diagram of a hydraulic support shield beam according to an embodiment of the present invention;

fig. 2 is a sectional view of a hydraulic support shield beam according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a pin stop of a hydraulic support shield beam 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 and 2, an embodiment of the invention provides a hydraulic support shield beam, which comprises an inner main rib 1, wherein a pin shaft hole 11 is arranged on the inner main rib 1; keep off round pin spare 2, this keep off round pin spare 2 and connect in the internal surface of interior owner muscle 1, and be located round pin shaft hole 11 department and shelter from round pin shaft hole 11, keep off and be provided with the cavity 21 of indent on the round pin spare 2, this cavity 21 is relative with round pin shaft hole 11, and this cavity 21 can hold the round pin axle that passes round pin shaft hole 11, specifically holds the tip of round pin axle. Wherein, the quantity of interior owner muscle 1 can be two for relative setting, and the pin hole 11 department of 1 internal surface of every interior owner muscle all is connected with fender round pin spare 2.

According to the hydraulic support shield beam provided by the embodiment of the invention, the pin blocking piece 2 is connected to the inner surface of the inner main rib 1, is positioned at the pin shaft hole 11 and blocks the pin shaft hole 11 to block a pin shaft in the pin shaft hole 11 from moving along the axial direction, the pin blocking piece 2 is provided with the concave cavity 21, the cavity 21 is opposite to the pin shaft hole 11, and the cavity 21 can accommodate the pin shaft penetrating through the pin shaft hole 11, so that when the pin shaft hole 11 is machined, the concave cavity 21 on the pin blocking piece 2 can provide tool withdrawal for a tool of a machine tool, the tool of the machine tool can complete tool withdrawal through the concave cavity 21, and the machining of the pin shaft hole 11 is facilitated.

In an alternative embodiment, see fig. 1 and 2, the stop pin member 2 has a semicircular shape, and the stop pin member 2 blocks half of the pin shaft hole 11. In this embodiment, through setting up fender round pin spare 2 into semi-circular, and keep off round pin spare 2 and only shelter from half rather than whole of round pin shaft hole 11, not only can realize blockking the purpose of round pin axle along axial displacement in the round pin shaft hole 11 like this, can also realize following purpose: on one hand, the material consumption of the pin retaining piece 2 can be reduced, so that the material is saved, and the material cost is reduced; on the other hand, the welding amount of the pin retaining pieces 2 on the inner main ribs 1 can be reduced, the construction is convenient and fast, and the welding cost is reduced; on the other hand, the pin blocking part 2 blocking the half pin shaft hole 11 can block the pin shaft within a certain diameter range from axially moving, namely, the pin blocking part 2 can be suitable for pin shafts with various diameters, so that the universality of the pin blocking part 2 is improved.

In an alternative embodiment, referring to fig. 3, the pin blocking member 2 is semicircular and may include a flat end 22 and a curved end 23, specifically, the flat end 22 is the end where the plane is located on the circumference of the semicircular pin blocking member 2, the curved end 23 is the end where the arc is located on the circumference of the semicircular pin blocking member 2, and the curved end 23 is connected to the inner surface of the inner main rib 1; the cavity 21 is a semicircle adapted to the pin stopper 2, and the cavity 21 penetrates the flat surface end 22.

In the above embodiment, the cavity 21 is a semicircle adapted to the pin stopper 2, and the cavity 21 penetrates through the flat end 22 of the pin stopper 2, so as to reserve the tool retracting amount for the machine tool for machining the pin hole 11, and accommodate the pin shaft passing through the pin hole 11.

It should be noted that the installation position of the pin blocking member 2 at the pin shaft hole 11 on the inner main rib 1 can be selected at will, for example, the curved end 23 of the pin blocking member 2 can be connected to the side, top or bottom of the pin shaft hole 11, as long as it is possible to achieve axial movement of the pin shaft in the pin shaft hole 11, and reserve a tool retracting amount and accommodate the pin shaft for a machine tool, and in order to facilitate welding of the pin blocking member 2 on the inner main rib 1, in the embodiment of the present invention, referring to fig. 1 and 2, the curved end 23 of the pin blocking member 2 is connected to the top of the pin shaft hole 11.

In an alternative embodiment, referring to fig. 3, the inner wall surface of the cavity 21 is a smooth transition surface, that is, the inner wall surface of the cavity 21 has no sharp corner and is smooth transition, so as to improve the overall strength of the pin blocking member 2.

Under the usual condition, the main muscle of hydraulic support shield roof beam adopts the split type welded structure of main muscle body welding flitch, at the surface welding flitch of main muscle body promptly, strengthens the intensity of main muscle to improve the bearing capacity of shield roof beam, 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 more easy fracture when the atress, and then influences the bearing capacity of shield roof beam. In order to solve the technical problem, in an alternative embodiment, referring to fig. 1 and 2, the hydraulic support shelter beam further comprises two outer main ribs 3, and the two outer main ribs 3 are arranged oppositely; the number of the inner main ribs 1 is two, and the two inner main ribs 1 are oppositely arranged and are positioned between the two outer main ribs 3; the thicknesses of the outer main ribs 3 and the inner main ribs 1 are respectively equal to preset values.

In the above embodiment, the preset value may be a range of thickness values, and if the thickness of the inner main rib 1 or the outer main rib 3 is H when the flitch is not welded, the preset value is (H + H20%) - (H + H30%). That is to say, in this embodiment, with welded flitch cancellation on interior main muscle 1 body and the 3 bodies of outer main muscle, realize adding the split type structure replacement of flitch with original main muscle body for the main muscle structure of the monolithic integrated into one piece of thickening, not only can guarantee interior main muscle 1 and the intensity requirement of outer main muscle 3, 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, there is not the welding seam in interior main muscle 1 and the 3 departments of outer main muscle simultaneously, the risk of welding seam fracture can not appear during the atress, the bearing capacity who shields the roof beam has been guaranteed better, the overall structure that shields the roof beam in addition is also more succinct.

As mentioned before, under the normal condition, the main muscle of hydraulic support shield roof beam adopts the split type welded structure of main muscle body welding flitch, simultaneously, welds double-deck apron between two interior main muscle 1 and strengthens the bearing capacity of shield roof beam, has increased the quantity and the welding volume of apron like this, and work hours such as unloading and welding all can increase, leads to the cost-push, and the welding seam is more simultaneously, also cracks more easily when the atress, and then influences the bearing capacity of shield roof beam. In order to solve this technical problem, in an alternative embodiment, referring to fig. 1, the hydraulic support shelter beam further comprises a first cover plate 4, the first cover plate 4 is connected between the two inner main ribs 1, and the number of the first cover plates 4 is one.

In the above embodiment, because interior main muscle 1 and outer main muscle 3 are the integrated into one piece structure for having increased thickness respectively, consequently, can with two original double-deck apron replacement between the main muscle 1 of interior main muscle be one with the apron of former monolithic apron the same thickness be first apron 4, 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 first apron 4 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.

In an alternative embodiment, referring to fig. 1, the hydraulic support shield beam further comprises a bottom plate 5, a second cover plate 6, a third cover plate 7, a first transverse rib 8, a second transverse rib 9 and a third transverse rib 10; the two inner main ribs 1 are respectively connected with the bottom plate 5 and are respectively taken as a first inner main rib and a second inner main rib; the two outer main ribs 3 are respectively connected with the bottom plate 5 and are respectively taken as a first outer main rib and a second outer main rib, and the first outer main rib is adjacent to the first inner main rib; the second cover plate 6 and the first transverse rib 8 are connected with each other and respectively connected between the first outer main rib and the first inner main rib, and the second cover plate 6, the first transverse rib 8, the first outer main rib, the first inner main rib and the bottom plate 5 form a first box body structure in a surrounding manner; the second transverse rib 9 is connected with the first cover plate 4, the second transverse rib 9 is connected between the first inner main rib and the second inner main rib, and the first cover plate 4, the second transverse rib 9, the first inner main rib, the second inner main rib and the bottom plate 5 form a second box body structure in an enclosing mode; third apron 7 and the horizontal muscle 10 interconnect of third, and the two is connected respectively in the second between main muscle and the outer main muscle of second, and third apron 7, the horizontal muscle 10 of third, main muscle in the second, the outer main muscle of second and bottom plate 5 enclose into third box structure.

In the above embodiment, through setting up corresponding apron and horizontal muscle, not only couple together corresponding main muscle, can also make corresponding apron, main muscle, horizontal muscle and bottom plate 5 constitute the box structure to play the whole mesh of strengthening the shield beam intensity, further improve the bearing capacity of shield beam.

In the above embodiment, the second cover plate and the third cover plate may be both bent cover plates, so that the first box structure and the second box structure are closed box structures.

In an alternative embodiment, referring to fig. 1, the hydraulic support shelter beam further comprises a first wire arranging member 12, one end of the first wire arranging member 12 is connected to the first cover plate 4, and the other end of the first wire arranging member 12 is connected to the second cover plate 6; and one end of the second wire arranging member 13 is connected to the first cover plate 4, and the other end of the second wire arranging member 13 is connected to the third cover plate 7.

According to the embodiment, some pipelines and the like in a construction site can be arranged through the first wire arranging member 12 and the second wire arranging member 13, and the influence on the normal work of the hydraulic support due to the disordered winding of the pipelines is avoided.

In an alternative embodiment, referring to fig. 1, the first wire management member 12 and the second wire management member 13 may be both U-shaped members, and the pipelines may pass through the U-shaped first wire management member 12 and the U-shaped second wire management member 13 for arrangement, which is simple in structure and convenient to operate.

The embodiment of the invention also provides a hydraulic support which comprises the shield beam.

The hydraulic support comprises a hydraulic support shield beam, a stop pin piece 2 is connected to the inner surface of an inner main rib 1 of the shield beam, is located at a pin shaft hole 11 and blocks the pin shaft hole 11 to prevent a pin shaft in the pin shaft hole 11 from moving along the axial direction, a concave cavity 21 is arranged on the stop pin piece 2, the cavity 21 is opposite to the pin shaft hole 11, and the cavity 21 can accommodate the pin shaft penetrating through the pin shaft hole 11, so that when the pin shaft hole 11 is machined, the concave cavity 21 on the stop pin piece 2 can provide tool withdrawal for a tool of a machine tool, the tool of the machine tool can complete tool withdrawal through the concave cavity 21, and the machining of the pin shaft hole 11 is facilitated.

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.