CN213269934U

CN213269934U - Underground mining support

Info

Publication number: CN213269934U
Application number: CN202022291695.7U
Authority: CN
Inventors: 李信斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-05-25
Anticipated expiration: 2030-10-15

Abstract

The utility model discloses an underground mining support, which comprises a main beam, a plurality of telescopic support columns below the main beam and a limiting mechanism for limiting the telescopic distance of the telescopic support columns, wherein the limiting mechanism is sleeved outside the telescopic support columns, and a limiting part is positioned in the moving direction of movable columns of the support columns and directly limits the rising height of the movable columns of the telescopic support columns; or, the underground mining support comprises a main beam, a base, a plurality of telescopic pillars between the main beam and the base and a limiting mechanism used for limiting the telescopic distance of the telescopic pillars, wherein the limiting mechanism is positioned between the main beam and the base and comprises a fixed vertical beam and a movable vertical beam, and the retraction length of the telescopic pillars is limited by limiting the lifting height of the movable vertical beam. The utility model discloses a length of the flexible pillar upwards withdrawal of stop gear restriction, labour saving and time saving just improves the operation precision, improves work efficiency.

Description

Underground mining support

Technical Field

The utility model relates to an underground mining technical field, more particularly, the utility model relates to an underground mining support.

Background

When underground mining is carried out, a tunnel and a tunnel are usually supported by adopting a tunneling support.

When the tunneling support is in use, as long as the support of the support is lifted upwards, the base of the support is separated from the bottom plate, and the support can move forwards when the base is separated from the bottom plate by about 200 mm.

But when used in driving roadways, the operator cannot see whether the prop has been lifted or has been lifted into position. Due to the fact that the heading machine is separated and light rays are dark, judgment can be conducted only by checking whether the pressure gauge is boosted or not. Therefore, in a common operation, a plurality of control handles are moved to the position of the lifting column, then the operation is waited, all dozens of support columns move by a full stroke and are lifted to the highest point, and after the pressure gauge is boosted, the support is operated to move forwards. After the support moves forward to the position, all the handles are moved to the position of the falling pillar until dozens of pillars fall to the position. Sometimes the up-and-down stroke of the support column reaches 600mm, and all people need to stop working and wait. Resulting in waste in time and pressure fluid.

Therefore, an underground mining support which is convenient to operate, time-saving and labor-saving is needed.

SUMMERY OF THE UTILITY MODEL

For solving traditional underground mining support promote with go forward the time-consuming and extravagant pressure fluid scheduling problem of complex operation process, time-consuming, the utility model discloses creatively provide an underground mining support, this underground mining support is provided with stop gear, the length of the flexible pillar of restriction upwards withdrawal, labour saving and time saving just improves the operating accuracy, improves work efficiency.

In order to achieve the above technical objects, a first aspect of the present invention discloses an underground mining support, comprising a main beam, a plurality of telescopic struts below the main beam, and a first limiting mechanism for limiting the telescopic distance of the telescopic struts,

the telescopic strut comprises a fixed column and a movable column, the movable column is sleeved outside the fixed column, the movable column is connected with the fixed column in a sliding manner, the fixed column is fixedly connected with the main beam,

the first limiting mechanism comprises a strut outer sleeve and a first limiting part, the strut outer sleeve is arranged outside the telescopic strut, the strut outer sleeve is fixedly connected with the main beam or the fixed column, a plurality of first limiting holes are formed in the strut outer sleeve and used for inserting the first limiting part, the first limiting holes are arranged along the telescopic direction of the telescopic strut, and the first limiting holes are located in the moving direction of the movable column.

Furthermore, the bottoms of the movable columns are fixedly connected with a base.

Further, the pillar outer sleeve is cylindrical or square-cylindrical.

Furthermore, a first limiting hole opposite to the position is formed in the strut outer sleeve.

Further, the pillar outer sleeve is semi-cylindrical or semi-square cylindrical.

Furthermore, the plurality of first limiting holes are arranged in two rows, and the two rows of first limiting holes are respectively arranged on two sides of the fixing column.

Further, the first limiting part is a pin shaft.

In order to achieve the technical purpose, the second aspect of the present invention discloses an underground mining support, which comprises a main beam, a base, a plurality of telescopic struts between the main beam and the base, and a second limiting mechanism for limiting the telescopic distance of the telescopic struts, wherein the top of each telescopic strut is fixedly connected with the main beam, and the bottom of each telescopic strut is fixedly connected with the base;

the second stop gear includes first fixed perpendicular roof beam, first activity perpendicular roof beam and second locating part, first fixed perpendicular roof beam with girder fixed connection, first activity perpendicular roof beam with base fixed connection, first fixed perpendicular roof beam cover is established first activity is perpendicular outside the roof beam, first fixed perpendicular roof beam with first activity is perpendicular roof beam sliding connection, first activity is perpendicular to be equipped with a plurality of confessions on the roof beam the spacing hole of second locating part male second, and the spacing hole of a plurality of seconds is followed the slip direction of first activity perpendicular roof beam is arranged.

Further, the second limiting part is a pin shaft.

In order to achieve the technical purpose, the third aspect of the present invention discloses an underground mining support, which comprises a main beam, a base, a plurality of telescopic struts between the main beam and the base, and a third limiting mechanism for limiting the telescopic distance of the telescopic struts, wherein the top of each telescopic strut is fixedly connected with the main beam, and the bottom of each telescopic strut is fixedly connected with the base;

the third limiting mechanism comprises a second fixed vertical beam, a second movable vertical beam and a third limiting part, the second fixed vertical beam is fixedly connected with the main beam, the second movable vertical beam is fixedly connected with the base, the second movable vertical beam is sleeved outside the second fixed vertical beam, the second fixed vertical beam is movably connected with the second movable vertical beam in a sliding manner, a plurality of supplies are arranged on the second fixed vertical beam, the third limiting part is inserted into a third limiting hole, and the plurality of third limiting holes are arranged along the sliding direction of the second movable vertical beam.

Further, the third limiting part is a pin shaft.

The utility model has the advantages that:

(1) compared with the prior art, the utility model provides an underground mining support is provided with stop gear, the length of the flexible pillar of restriction upwards withdrawal, labour saving and time saving, and improve the operating accuracy, improve work efficiency.

(2) The utility model discloses a stop gear adopts the mode of spacing hole and locating part to carry on spacingly, and the locating part can insert the spacing downthehole of appointed height as required, simple structure, and convenient operation improves work efficiency.

Drawings

Fig. 1 is the utility model discloses an underground mining support's schematic structure diagram.

Fig. 2 is a schematic structural view of an underground mining support according to another embodiment of the present invention.

Figure 3 is the utility model discloses the structure schematic diagram of the underground mining support with base.

Fig. 4 is a schematic structural view of an underground mining support according to a third embodiment of the present invention.

Fig. 5 is a schematic structural view of an underground mining support according to a fourth embodiment of the present invention.

In the figure, the position of the upper end of the main shaft,

1. a main beam; 2. a base; 3. a telescopic strut; 4. a first limit mechanism; 5. a second limiting mechanism; 6. a third limiting mechanism; 31. fixing a column; 32. a movable post; 41. a strut jacket; 42. a first limit piece; 43. a first limit hole; 51. a first fixed vertical beam; 52. a first movable vertical beam; 53. a second limiting member; 54. a second limiting hole; 61. a second fixed vertical beam; 62. a second movable vertical beam; 63. a third limiting member; 64. and a third limiting hole.

Detailed Description

The utility model provides an underground mining support explains and explains in detail below with the help of the attached drawings of the specification.

As shown in fig. 1 and 2, the present embodiment specifically discloses an underground mining support, which includes a main beam 1, a plurality of telescopic pillars 3 below the main beam 1, and a first limiting mechanism 4 for limiting the telescopic distance of the telescopic pillars 3.

The telescopic support 3 comprises a fixed column 31 and a movable column 32, the movable column 32 is sleeved outside the fixed column 31, the movable column 32 is in sliding connection with the fixed column 31, the top of the fixed column 31 is fixedly connected with the main beam 1, the movable column 32 moves upwards through a hydraulic lifting device, the lower portion of the support is lifted upwards, and then the support is operated to move forwards.

The first limiting mechanism 4 includes a pillar outer sleeve 41 and a first limiting member 42, the pillar outer sleeve 41 is sleeved outside the telescopic pillar 3, the pillar outer sleeve 41 is fixedly connected to the main beam 1 or the fixed column 31, that is, the top of the pillar outer sleeve 41 is fixed to the main beam 1 or the pillar outer sleeve 41 is directly fixedly connected to the fixed column 31, as long as the inner diameter of the pillar outer sleeve 41 is greater than the outer diameter of the movable column 31. The pillar outer 41 is provided with a plurality of first limiting holes 43 for the first limiting members 42 to be inserted into, the plurality of first limiting holes 43 are arranged along the extending direction of the telescopic pillar 3, and the first limiting holes 43 are located in the moving direction of the movable pillar 32. The first limiting member 42 is a pin. The first stopper 42 is inserted into the first stopper hole 43 having different heights, thereby restricting the height of the movable post 32 from rising. When the movable post 32 is lifted and abuts against the first stopper 42, the lifting of the movable post 32 is stopped, and the retraction length is restricted.

As shown in fig. 3, the base 2 is fixedly connected to the bottoms of the plurality of movable columns, and the base 2 connects the plurality of movable columns 32 into a whole, so as to facilitate the overall operation of the support.

As shown in fig. 1, the column jacket 41 is cylindrical or square, the telescopic column 3 is sleeved with the column jacket 41, the top of the column jacket 41 is fixedly connected with the main beam 1, and the column jacket 41 is provided with a first limit hole 43 at an opposite position. The first position-limiting member 42 passes through two first position-limiting holes 43 opposite to each other, that is, the first position-limiting holes 43 penetrate through the pillar outer 41, so that the movable pillar 32 abuts against the first position-limiting member 42 during the ascending process of the movable pillar 32, and the movable pillar 32 stops being lifted at this time.

As shown in fig. 2, the pillar outer 41 is semi-cylindrical or semi-square cylindrical, the first limiting hole 43 is disposed on the wall of the pillar outer 41, and the first limiting member 42 is inserted into the first limiting hole 43 and then extends out of a portion of the first limiting hole 43 to abut against the top of the movable pillar 32.

In some embodiments, the plurality of first position-limiting holes 43 are arranged in two rows, and the two rows of first position-limiting holes 43 are respectively arranged on two sides of the fixing post 31. The first stoppers 42 on the left and right sides simultaneously abut against the top of the movable column 32, and at this time, the lifting of the movable column 32 is stopped, and the whole support moves forward.

As shown in fig. 4, the second aspect of the present invention discloses an underground mining support, which comprises a plurality of telescopic pillars 3 between the main beam 1, the base 2, the main beam 1 and the base 2, and a second limiting mechanism 5 for limiting the telescopic distance of the telescopic pillars 3. The top of the telescopic support 3 is fixedly connected with the main beam 1, and the bottom of the telescopic support 4 is fixedly connected with the base 2. The top of the second limiting mechanism 5 is fixedly connected with the main beam 1, and the bottom of the second limiting mechanism 5 is fixedly connected with the base 2.

The second limiting mechanism 5 is also a telescopic mechanism, the second limiting mechanism 5 is fixed between the main beam 1 and the base 2, and the second limiting mechanism 5 is parallel to the telescopic support 3; the second limiting mechanism 5 comprises a first fixed vertical beam 51, a first movable vertical beam 52 and a second limiting part 53, the first fixed vertical beam 51 is fixedly connected with the main beam 1, the first movable vertical beam 52 is fixedly connected with the base 2, the first fixed vertical beam 51 is sleeved outside the first movable vertical beam 52, the first fixed vertical beam 51 is slidably connected with the first movable vertical beam 52, a plurality of second limiting holes 54 for the second limiting part 53 to insert are formed in the first movable vertical beam 52, and the plurality of second limiting holes 54 are arranged along the sliding direction of the first movable vertical beam 52. The second limiting member 53 is a pin.

According to the requirement of the rising height of the movable column 32, one second limiting hole 54 of a plurality of second limiting holes 54 which are vertically arranged is selected to be inserted into a second limiting part 53, the movable column 32 and the base 2 are lifted upwards by adopting a hydraulic lifting device, meanwhile, the first movable vertical beam 52 also moves upwards along the first fixed vertical beam 51, when the second limiting part 53 inserted into the first movable vertical beam 52 abuts against the bottom of the first fixed vertical beam 51, the lifting is stopped, and the whole support moves forwards.

As shown in fig. 5, the third aspect of the present invention discloses an underground mining support, which comprises a plurality of telescopic pillars 3 between the main beam 1, the base 2, the main beam 1 and the base 2, and a third limiting mechanism 6 for limiting the telescopic distance of the telescopic pillars 3. The top of the telescopic support 3 is fixedly connected with the main beam 1, and the bottom of the telescopic support 4 is fixedly connected with the base 2. The top of the third limiting mechanism 6 is fixedly connected with the main beam 1, and the bottom of the third limiting mechanism 6 is fixedly connected with the base 2.

The third limiting mechanism 6 is also a telescopic mechanism, the third limiting mechanism 6 is fixed between the main beam 1 and the base 2, and the third limiting mechanism 6 is parallel to the telescopic support 3; the third limiting mechanism 6 comprises a second fixed vertical beam 61, a second movable vertical beam 62 and a third limiting piece 63, the second fixed vertical beam 61 is fixedly connected with the main beam 1, the second movable vertical beam 62 is fixedly connected with the base 2, the second movable vertical beam 62 is sleeved outside the second fixed vertical beam 61, the second fixed vertical beam 61 is slidably connected with the second movable vertical beam 62, a plurality of third limiting holes 64 for the third limiting piece 63 to insert are formed in the second fixed vertical beam 61, and the plurality of third limiting holes 64 are arranged along the sliding direction of the second movable vertical beam 62. The third limiting member 63 is a pin.

According to the requirement of the rising height of the movable column 32, one third limiting hole 64 of a plurality of vertically arranged third limiting holes 64 is selected to be inserted into a third limiting piece 63, the movable column 32 and the base 2 are lifted upwards by adopting a hydraulic lifting device, meanwhile, the second movable vertical beam 62 also moves upwards along the second fixed vertical beam 61, when the top of the second movable vertical beam 62 abuts against the third limiting piece 63 inserted into the second fixed vertical beam 61, the lifting is stopped, and the whole support moves forwards.

The limiting part is matched with the limiting hole for limiting, so that the structure is simple; can be as required with the spacing downthehole of the appointed high of locating part male, easy operation improves work efficiency.

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", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description herein, references to the description of the terms "this embodiment," "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

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 at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, and simple improvements made in the spirit of the present invention should be included in the protection scope of the present invention.

Claims

1. The underground mining support is characterized by comprising a main beam (1), a plurality of telescopic struts (3) below the main beam (1) and a first limiting mechanism (4) for limiting the telescopic distance of the telescopic struts (3),

the telescopic support column (3) comprises a fixed column (31) and a movable column (32), the movable column (32) is sleeved outside the fixed column (31), the movable column (32) is in sliding connection with the fixed column (31), the fixed column (31) is fixedly connected with the main beam (1),

first stop gear (4) include pillar overcoat (41) and first locating part (42), pillar overcoat (41) cover is established the outside of telescopic prop (3), pillar overcoat (41) with girder (1) or fixed column (31) fixed connection, be equipped with a plurality of confessions on pillar overcoat (41) first locating part (42) male spacing hole (43), a plurality of first spacing holes (43) are followed the flexible direction of telescopic prop (3) is arranged, first spacing hole (43) are located in the direction of activity post (32).

2. An underground mining carriage as claimed in claim 1, characterised in that a base (2) is fixedly attached to the bottom of a plurality of the mobile columns (32).

3. An underground mining carriage as claimed in claim 1 or claim 2, characterised in that the pillar outer jacket (41) is cylindrical or square tubular.

4. An underground mining carriage as claimed in claim 3, characterised in that the pillar outer casing (41) is provided with a first oppositely located limiting aperture (43).

5. An underground mining carriage as claimed in claim 1 or 2, characterised in that the pillar outer casing (41) is semi-cylindrical or semi-square cylindrical.

6. An underground mining carriage as claimed in claim 1, characterised in that the first plurality of retaining holes (43) are arranged in two rows, the two rows of first retaining holes (43) being arranged on either side of the fixing post (31).

7. The underground mining support is characterized by comprising a main beam (1), a base (2), a plurality of telescopic struts (3) between the main beam (1) and the base (2) and a second limiting mechanism (5) for limiting the telescopic distance of the telescopic struts (3), wherein the tops of the telescopic struts (3) are fixedly connected with the main beam (1), and the bottoms of the telescopic struts (3) are fixedly connected with the base (2);

second stop gear (5) including first fixed perpendicular roof beam (51), first activity erect roof beam (52) and second locating part (53), first fixed perpendicular roof beam (51) with girder (1) fixed connection, first activity erect roof beam (52) with base (2) fixed connection, first fixed perpendicular roof beam (51) cover is established first activity erects roof beam (52) outside, first fixed perpendicular roof beam (51) with first activity erects roof beam (52) sliding connection, be equipped with a plurality of confessions on first activity erects roof beam (52) the spacing hole of second locating part (53) male second (54), and a plurality of spacing holes of second (54) are followed the sliding direction of first activity erects roof beam (52) arranges.

8. An underground mining carriage as claimed in claim 7, characterised in that the second stop (53) is a pin.

9. The underground mining support is characterized by comprising a main beam (1), a base (2), a plurality of telescopic struts (3) between the main beam (1) and the base (2) and a third limiting mechanism (6) for limiting the telescopic distance of the telescopic struts (3), wherein the tops of the telescopic struts (3) are fixedly connected with the main beam (1), and the bottoms of the telescopic struts (3) are fixedly connected with the base (2);

third stop gear (6) include that the second is fixed erect roof beam (61), the second activity erects roof beam (62) and third locating part (63), the second is fixed erect roof beam (61) with girder (1) fixed connection, the second activity erect roof beam (62) with base (2) fixed connection, the second activity is erect roof beam (62) cover and is established the fixed roof beam (61) outside of erecting of second, the second is fixed erect roof beam (61) with the second activity erects roof beam (62) sliding connection, be equipped with a plurality of confessions on the fixed roof beam (61) of second the spacing hole of third locating part (63) male (64), a plurality of spacing holes of third (64) are followed the sliding direction that the second activity erected roof beam (62) is arranged.

10. An underground mining carriage as claimed in claim 9, characterised in that the third stop (63) is a pin.