CN218150774U - Multi-arm drill frame mechanism for underground coal mine - Google Patents

Abstract

The utility model discloses a colliery is multi-arm drill frame mechanism for in pit, the colliery is multi-arm drill frame mechanism for in pit includes mount, a plurality of drill frame and a plurality of translation parts, the mount is suitable for and links to each other with the drill carriage, be equipped with fixed guide on the mount, fixed guide extends at the length direction of mount, a plurality of drill frames are interval arrangement on the length direction of mount, a plurality of drill frames are portable on the length direction of mount, the translation parts is used for driving the drill frame and removes on the length direction of mount, a plurality of translation parts link to each other with the mount respectively, and a plurality of translation parts and a plurality of drill frame one-to-ones. The utility model discloses a colliery is multi-arm drill frame mechanism for in pit makes the drill carriage can transfer in a flexible way, still can carry out the drilling of multiposition simultaneously, improves tunnelling efficiency.

Description

Multi-arm drill frame mechanism for underground coal mine

Technical Field

The utility model relates to an extend up equipment technical field under the colliery, concretely relates to colliery is with multi-arm drill frame mechanism in pit.

Background

At present, the coal resources in China are rich, the fully mechanized mining equipment is mature, and the coal mining process is gradually improved. With the shortage of energy, the pace of coal mining in China is increasingly accelerated, and the underground coal mining process of coal has great requirements on roadway tunneling, which also puts higher requirements on the supporting operation of the roadway.

In order to adapt to a large-section roadway and improve the working efficiency, the conventional multi-arm anchor rod drill carriage is generally wide in body, and the more the number of drill arms is, the wider the body is, so that the problems of inflexible transfer and transportation, inconvenience in vehicle deviation with equipment such as a heading machine and the like are directly caused; in addition, the existing anchor rod drill carriage is limited by the width of the whole vehicle structure, and hole finding and positioning can be completed only by compounding a plurality of actions, so that the operation efficiency is low, and the tunneling footage is influenced.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the embodiment of the utility model provides a colliery is multi-arm drill frame mechanism for in pit can make the drill carriage transfer in a flexible way, still can carry out the drilling of multiposition simultaneously, improves tunnelling efficiency.

According to the utility model discloses use multi-arm drill frame mechanism in pit in colliery, include: the fixed frame is suitable for being connected with a drill carriage, a fixed guide rail is arranged on the fixed frame, and the fixed guide rail extends in the length direction of the fixed frame; the drilling frames are arranged at intervals in the length direction of the fixing frame, and the drilling frames can move in the length direction of the fixing frame; the drill jig comprises a fixed frame, a plurality of translation components, a plurality of guide rails and a plurality of guide rails, wherein the drill jig is arranged on the fixed frame, the plurality of translation components are used for driving the drill jig to move in the length direction of the fixed frame, the plurality of translation components correspond to the plurality of drill jigs one to one, one end of each translation component is connected with the fixed frame, and the other end of each translation component is connected with the drill jig.

According to the utility model discloses use multi-arm drill frame mechanism in pit in colliery can make the drill carriage transfer in a flexible way, still can carry out the drilling of multiposition simultaneously, improves tunnelling efficiency.

In some embodiments, two of the plurality of translation parts connected to two of the drilling rigs located outermost in the length direction of the fixture are provided outside the fixture and arranged opposite to each other in the height direction of the fixture, and the translation part connected to the drilling rig located inside in the length direction of the fixture is provided inside the fixture.

In some embodiments, the translation part includes first extensible member, the seat that slides and link, the seat that slides with fixed guide links to each other, the one end of first extensible member with the mount links to each other, the other end of first extensible member with the seat that slides links to each other, first extensible member is used for the drive the seat that slides is in the length direction of mount removes, the link erects the rig with between the seat that slides, just the one end of link with the seat that slides links to each other, the other end of link with the rig links to each other.

In some embodiments, one side of the drill frame, which is adjacent to the fixed frame, is hinged with the connecting frame through a pin shaft, and the drill frame can swing around the pin shaft.

In some embodiments, the multi-arm drilling frame mechanism for the underground coal mine further comprises a plurality of second telescopic pieces, the plurality of second telescopic pieces correspond to the plurality of drilling frames one by one, one end of each second telescopic piece is hinged with the corresponding hinge, and the other end of each second telescopic piece is hinged with the corresponding connecting frame.

In some embodiments, the swing angle of the drill frame around the pin shaft is theta, and 0 DEG-theta-10 deg.

In some embodiments, two of the drilling rigs which are positioned on the outermost side in the length direction of the fixing frame in the plurality of drilling rigs can rotate relative to the fixing frame.

In some embodiments, the multi-arm drill frame mechanism for underground coal mines further comprises two rotating assemblies, the two rotating assemblies are connected with the two drill frames which are positioned on the outermost sides of the drill frames in the length direction of the fixing frame in a one-to-one correspondence mode, each of the two rotating assemblies comprises two third telescopic members, a rotary frame and a rotating shaft, the rotating shaft penetrates through the sliding seat along the thickness direction of the fixing frame, one end of the rotating shaft is connected with the connecting frame, the other end of the rotating shaft is connected with the rotary frame, one end of each of the two third telescopic members is connected with the sliding seat, and the other end of each of the two third telescopic members is connected with the rotary frame.

In some embodiments, the revolving frame is provided with a first connecting portion and a second connecting portion, the first connecting portion and the second connecting portion are arranged at intervals in the circumferential direction of the rotating shaft, one of the two third telescopic members is connected with the first connecting portion, and the other of the two third telescopic members is connected with the second connecting portion.

In some embodiments, the rotating assembly further includes a sleeve, the sleeve is sleeved outside the rotating shaft, the sleeve is connected to the sliding seat, and the sleeve is at least partially located in the sliding seat.

In some embodiments, the rotation angle of two drill stands which are positioned at the outermost sides of the plurality of drill stands in the length direction of the fixing frame relative to the fixing frame is beta, and the rotation angle is more than or equal to 0 degrees and less than or equal to 90 degrees.

Drawings

Fig. 1 is a schematic structural diagram of a multi-arm drill frame mechanism for underground coal mines according to an embodiment of the present invention.

Fig. 2 is a schematic front view of the multi-arm derrick structure for a coal mine shown in fig. 1.

Fig. 3 is a schematic view of the swinging of the drill frame in the multi-arm drill frame mechanism for the underground coal mine shown in fig. 1.

Fig. 4 is a schematic view of another angular swing of the drill boom of the multi-boom drill boom mechanism for underground coal mine shown in fig. 1.

Fig. 5 is a schematic cross-sectional side view of the multi-arm drilling carriage mechanism for downhole use in a coal mine shown in fig. 1, including a rotation assembly.

Fig. 6 is a cross-sectional side view of the multi-arm drilling carriage mechanism for use downhole in a coal mine shown in fig. 1, without the inclusion of a rotating assembly.

Fig. 7 is a schematic view showing the rotation of the rightmost drilling stand in the multi-arm drilling stand mechanism for the underground coal mine shown in fig. 1.

Reference numerals are as follows:

a fixed frame 1, a fixed guide rail 2, a drill frame 3,

the translation component 4, the first telescopic part 41, the sliding seat 42, the connecting frame 43,

the second telescopic member (5) is provided with a plurality of telescopic elements,

the rotating assembly 6, the third telescopic member 61, the rotating frame 62, the first rotating disc 621, the second rotating disc 622, the connecting rod 623, the first connecting part 624, the second connecting part 625, the rotating shaft 63 and the sleeve 64.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 to 7, the multi-arm drill rig mechanism for underground coal mines according to the embodiment of the invention comprises a fixed frame 1, a plurality of drill rigs 3 and a plurality of translation components 4.

The fixed frame 1 is suitable for being connected with a drill carriage, a fixed guide rail 2 is arranged on the fixed frame 1, and the fixed guide rail 2 extends in the length direction (the left and right direction shown in figure 1) of the fixed frame 1.

Specifically, as shown in fig. 1, two fixed rails 2 are provided on the fixed frame 1, the two fixed rails 2 are arranged oppositely in the up-down direction, and the two fixed rails 2 have the same size in the left-right direction.

The plurality of drilling rigs 3 are arranged at intervals in the length direction of the fixed frame 1, and the plurality of drilling rigs 3 are movable in the length direction of the fixed frame 1.

Specifically, as shown in fig. 1, four drilling rigs 3 are provided on the fixing frame 1, the four drilling rigs 3 are arranged at intervals in the left-right direction, and the four drilling rigs 3 have the same structure and size. It will be appreciated that the number of drilling rigs 3 is not limited thereto, but may also be, for example, two, three or five.

The translation component 4 is used for driving the drilling rigs 3 to move in the length direction of the fixing frame 1, the translation components 4 correspond to the drilling rigs 3 one by one, one end of each translation component 4 is connected with the fixing frame 1, and the other end of each translation component 4 is connected with the drilling rigs 3.

Specifically, as shown in fig. 1 and 2, the number of the translation members 4 is four, the four translation members 4 are respectively connected to the four drilling rigs 3 in a one-to-one correspondence, and the translation members 4 drive the drilling rigs 3 to be movable in the left-right direction.

The two drilling rigs 3 located at the leftmost side and the rightmost side are moved in the left-right direction by a =0 to 1200mm, and it is understood that a may be 0mm, 100mm, 300mm, 500mm, 650mm, 800mm, 1000mm, or 1200mm. The moving range of the two drilling frames 3 positioned in the middle in the left-right direction is B, and B =0 to 200mm, it is understood that B may be 0mm, 50mm, 100mm, 150mm, 200mm.

According to the utility model discloses coal mine is with multi-arm drill frame mechanism in pit through the position of the adjustable drill frame 3 of translation part 4 on mount 1 to adjust the width of drill frame 3, be convenient for make the drill carriage transfer in a flexible way, go back the position that a plurality of drill frames 3 of accessible adjustment are in the difference, can carry out the drilling of multiposition simultaneously, improve tunnelling efficiency.

In some embodiments, two of the plurality of translation members connected to the two drilling rigs located outermost in the length direction of the fixing frame are provided outside the fixing frame and arranged opposite to each other in the height direction of the fixing frame, and one of the plurality of translation members connected to the drilling rigs located inside in the length direction of the fixing frame is provided inside the fixing frame.

Specifically, as shown in fig. 1, four drilling rigs 3 and four translation components 4 are arranged on a fixed frame 1, the four translation components 4 are connected with the four drilling rigs 3 in a one-to-one correspondence manner, the four drilling rigs 3 are arranged at intervals in the left-right direction, the four translation components 4 and two translation components 4 connected with the drilling rigs 3 positioned at the leftmost side and the rightmost side are arranged outside the fixed frame 1, the two translation components 4 are arranged oppositely in the up-down direction, and two translation components 4 connected with the drilling rig 3 positioned in the middle of the four translation components 4 are arranged inside the fixed frame.

The utility model discloses use multi-arm drill frame mechanism in pit in colliery sets up two translation parts and drives two drill frames in the outside through the outside at the mount and removes, can increase the operation width of drill frame, has improved the operation scope, will be located inboard translation part and establish the inside at the mount, has reduced equipment volume, makes the drill carriage allocation and transportation more convenient.

In some embodiments, the translation component 4 includes a first telescopic member 41, a sliding seat 42 and a connecting frame 43, the sliding seat 42 is connected to the fixed rail 2, one end of the first telescopic member 41 is connected to the fixed frame 1, the other end of the first telescopic member 41 is connected to the sliding seat 42, the first telescopic member 41 is configured to drive the sliding seat 42 to move in the length direction of the fixed frame 1, the connecting frame 43 is disposed between the drilling rig 3 and the sliding seat 42, one end of the connecting frame 43 is connected to the sliding seat 42, and the other end of the connecting frame 43 is connected to the drilling rig 3.

Specifically, as shown in fig. 1 and 2, the translation member 4 connected to the leftmost drilling rig 3 is provided on the upper end surface of the fixed frame 1, the translation member 4 connected to the rightmost drilling rig 3 is provided on the lower end surface of the fixed frame 1, the translation members 4 connected to the middle two drilling rigs 3 are provided at the middle position of the fixed frame 1, and the two translation members 4 connected to the middle two drilling rigs 3 are arranged in the left-right direction in opposition to each other.

It should be noted that the outer contour of the slide seat 42 in the translation member 4 connected to the leftmost drilling rig 3 is substantially L-shaped, the outer contour of the slide seat 42 in the translation member 4 connected to the rightmost drilling rig 3 is substantially L-shaped, and the slide seat 42 in the translation member 4 connected to the leftmost drilling rig 3 and the slide seat 42 in the translation member 4 connected to the rightmost drilling rig 3 are arranged to be opposed to each other in the up-down direction.

Specifically, as shown in fig. 1 and 2, each of the slide seat 42 in the translation part 4 connected to the leftmost drilling rig 3 and the slide seat 42 in the translation part 4 connected to the rightmost drilling rig 3 includes a sliding portion and a mounting portion, the sliding portion is provided on the fixed rail 2, one end of the first extensible member 41 is connected to the sliding portion, the mounting portion is fixedly connected to the sliding portion, an upper end surface of the mounting portion in the slide seat 42 connected to the leftmost drilling rig 3 is connected to the sliding portion, and a lower end surface of the mounting portion in the slide seat 42 connected to the rightmost drilling rig 3 is connected to the sliding portion.

It will be appreciated that first telescopic member 41 may be a pneumatic or hydraulic cylinder, in particular first telescopic member 41 is a hydraulic cylinder.

The embodiment of the utility model provides a, through setting up a plurality of translation parts 4, can independent control drilling rig 3 corresponding with it is ascending position about to can implement the drilling operation in different positions simultaneously, improve tunnelling efficiency.

In some embodiments, a side of the boom 3 adjacent to the fixed frame 1 (a rear side of the boom 3 as shown in fig. 3) is hinged to the connection frame 43 by a pin, and the boom 3 is swingable about the pin.

Specifically, as shown in fig. 3 and 4, the boom 3 may swing forward or backward in the front-rear direction. The multi-angle drilling operation can be implemented by adjusting the angle of the drill frame 3, and the multi-position and multi-angle drilling can be simultaneously implemented by matching with the translation component 4, so that the tunneling efficiency is improved.

In some embodiments, the multi-arm drilling rig mechanism for underground coal mines further comprises a plurality of second telescopic members 5, the plurality of second telescopic members 5 correspond to the plurality of drilling rigs 3 one by one, one end of each second telescopic member 5 is hinged with the drilling rig 3, and the other end of each second telescopic member 5 is hinged with the connecting frame 43.

Specifically, as shown in fig. 3, the rear side of the boom 3 is hinged to the connection frame 43, the lower end of the second extensible member 5 is hinged to the lower end of the boom 3, and the lower end of the second extensible member 5 is hinged to the connection frame 43. Through the contraction and the extension of the second telescopic piece 5, the angle of the drill stand 3 in the front-back direction can be adjusted, and further the drilling operation at different angles can be met. It will be appreciated that the second telescopic member 5 may be a pneumatic or hydraulic cylinder, in particular the second telescopic member 5 is a hydraulic cylinder.

In some embodiments, the swing angle of the drilling frame 3 around the pin connected to the connection frame 43 is θ, and θ is 0 ° ≦ 10 °.

Specifically, as shown in FIGS. 3 and 4, the swing angle of the boom 3 may be backward swing or forward swing, and the swing angle θ is in this range, i.e., 0 ° ≦ θ ≦ 10 °, regardless of whether the boom 3 swings forward or backward. It will be appreciated that the swing angle theta of the boom 3 in the fore-aft direction may be 0 deg., 2 deg., 4 deg., 5 deg., 8 deg., or 10 deg.. When the swing angle θ of the boom 3 is 0 °, the boom 3 is in a vertical state.

In some embodiments, two drilling rigs 3 of the plurality of drilling rigs 3 located outermost in the length direction of the fixing frame 1 are rotatable relative to the fixing frame 1.

Specifically, as shown in fig. 1 and 2, the leftmost drilling rig 3 and the rightmost drilling rig 3 are rotatable relative to the fixed frame 1, and when the adjustment and transportation are required or the operation is staggered with other equipment, the angles of the leftmost drilling rig 3 and the rightmost drilling rig 3 relative to the fixed frame 1 are adjusted by rotating the leftmost drilling rig 3 and the rightmost drilling rig, so that the width of the drilling rig 3 is reduced, and the adjustment and transportation of the drilling rig are flexible.

In some embodiments, the multi-arm drilling rig mechanism for underground coal mines further comprises two rotating assemblies 6, the two rotating assemblies 6 are connected with the two drilling rigs 3 which are positioned on the outermost side of the plurality of drilling rigs 3 in the length direction of the fixing frame 1 in a one-to-one correspondence manner, each of the two rotating assemblies 6 comprises two third telescopic members 61, a rotating frame 62 and a rotating shaft 63, the rotating shaft 63 penetrates through the sliding seat 42 along the thickness direction of the fixing frame 1, one end of the rotating shaft 63 is connected with the connecting frame 43, the other end of the rotating shaft 63 is connected with the rotating frame 62, one ends of the two third telescopic members 61 are respectively connected with the sliding seat 42, and the other ends of the two third telescopic members 61 are respectively connected with the rotating frame 62.

Specifically, as shown in fig. 5, the rotating assembly 6 is disposed at the rear side of the drilling frame 3, the rotating assembly 6 is connected to the fixed frame 1, the lower end of the third telescopic member 61 is hinged to the sliding seat 42, the upper end of the third telescopic member 61 is hinged to the revolving frame 62, the rotating shaft 63 extends in the front-rear direction, the rear end of the rotating shaft 63 is connected to the revolving frame 62, the front end of the rotating shaft 63 is connected to the connecting frame 43, and the front end of the connecting frame 43 is hinged to the drilling frame 3.

The embodiment of the utility model provides a, through the extension of two third extensible members 61 and the rotation of shrink drive revolving rack 62 to drive link 43 through axis of rotation 63 and rotate, and then make the drilling rig 3 that links to each other with link 43 take place to rotate. It will be appreciated that the third telescopic member 61 may be a pneumatic or hydraulic cylinder, in particular, the third telescopic member 61 is a hydraulic cylinder.

In some embodiments, the turret 62 is provided with a first connecting portion 624 and a second connecting portion 625, the first connecting portion 624 and the second connecting portion 625 are spaced apart from each other in the circumferential direction of the rotating shaft 63, one of the two third telescopic members 61 is connected to the first connecting portion 624, and the other of the two third telescopic members 61 is connected to the second connecting portion 625.

Specifically, as shown in fig. 5, the rotating frame 62 includes a first rotating disk 621 and a second rotating disk 622, the first rotating disk 621 and the second rotating disk 622 are arranged at intervals in the front-rear direction, a connecting rod 623 is arranged between the first rotating disk 621 and the second rotating disk 622, the outer contours of the first rotating disk 621 and the second rotating disk 622 are both circular, and the front end and the rear end of the connecting rod 623 are respectively connected with the first rotating disk 621 and the second rotating disk 622. As shown in fig. 7, the first connection portions 624 and the second connection portions 625 are arranged at intervals in the circumferential direction of the first rotating disk 621, and the interval angle between the first connection portions 624 and the second connection portions 625 in the circumferential direction of the first rotating disk 621 is 180 °. One of the two third telescopic members 61 is hinged to the first connecting portion 624, and the other of the two third telescopic members 61 is hinged to the second connecting portion 625.

The embodiment of the utility model provides a, the shrink through two third extensible members 61 drives the revolving rack 62 with extending and rotates to reduce the whole width of rig 3, the nimble fortune of the drill carriage of being convenient for.

In some embodiments, the rotating assembly 6 further includes a sleeve 64, the sleeve 64 is sleeved on the rotating shaft 63, the sleeve 64 is connected to the sliding seat 42, and the sleeve 64 is at least partially located in the sliding seat 42.

Specifically, as shown in fig. 5, the sleeve 64 is sleeved outside the rotating shaft 63, the rear end of the sleeve 64 at least partially extends into the sliding seat 42, and by providing the sleeve 64, the rotating shaft 63 is supported conveniently on one hand, and the rotating shaft 63 rotates more stably on the other hand.

In some embodiments, the rotation angle of the two drilling rigs 3 which are positioned at the outermost sides of the plurality of drilling rigs 3 in the length direction of the fixed frame 1 is beta, and the angle is more than or equal to 0 degrees and less than or equal to 90 degrees.

It should be noted that the leftmost and rightmost drilling rigs 3 and 3 may rotate counterclockwise or clockwise, and the rotation angle of the leftmost and rightmost drilling rigs 3 and 3 with respect to the fixed frame 1 is β, and β may be 0 °, 10 °, 20 °, 35 °, 60 °, or 90 °.

The embodiment of the utility model provides a, through rotatory leftmost rig 3 and rightmost rig 3, can reduce the whole width of rig 3, the nimble fortune of the drill carriage of being convenient for still can carry out the drilling operation to different positions.

The operation principle of the multi-arm drilling rig mechanism for underground coal mine according to the embodiment of the invention is described below with reference to fig. 1 to 7.

After a fixing plate of the multi-arm drill frame is connected with a drill carriage, the multi-arm drill frame moves along with the drill carriage, after the drill carriage moves to an operation area, the plurality of drill frames 3 can be adjusted to be in different positions through the plurality of translation components 4, different drill frames 3 are made to be in different angles or the same angle through the second telescopic piece 5, the anchor rods are installed in the drill frames 3, and the drill frames 3 are started to perform drilling operation on different positions of a roadway at different angles or the same angle.

When the drill carriage needs to be dispatched or staggered with other equipment, one third telescopic part 61 of the two third telescopic parts 61 is contracted, and the other third telescopic part 61 is expanded, so that the leftmost drill frame 3 is driven by the rotary disc and the rotating shaft 63, or/and the rightmost drill frame 3 rotates and is in a vertical or horizontal state, and the leftmost drill frame 3 is contracted by the first telescopic part 41, or/and the rightmost drill frame 3, the width of the drill frame 3 is reduced, and further the transportation and the staggering of the drill carriage are facilitated. After the transfer or the transfer is finished, the leftmost drilling rig 3 or/and the rightmost drilling rig 3 are restored to the position to be drilled through the contraction and extension of the two third telescopic parts 61.

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 orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and to simplify the description, but 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.

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 to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

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; may be mechanically coupled, may be electrically coupled or may be in communication with each other; 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 present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like 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 present disclosure. 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.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (11)

1. A multi-arm drill frame mechanism for underground coal mines is characterized by comprising:

the fixed frame is suitable for being connected with a drill carriage, a fixed guide rail is arranged on the fixed frame, and the fixed guide rail extends in the length direction of the fixed frame;

the drilling frames are arranged at intervals in the length direction of the fixing frame, and the drilling frames can move in the length direction of the fixing frame;

the drilling jig comprises a fixed frame, a plurality of translation components and a plurality of drilling rigs, wherein the plurality of translation components are used for driving the drilling rigs to move in the length direction of the fixed frame, the plurality of translation components correspond to the plurality of drilling rigs one to one, one end of each translation component is connected with the fixed frame, and the other end of each translation component is connected with the drilling rig.

2. The multi-arm drill carriage mechanism for underground coal mine according to claim 1, wherein two of the plurality of the translation members connected to the two drill carriages located outermost in the length direction of the holder are provided outside the holder and arranged opposite to each other in the height direction of the holder, and the one of the plurality of the translation members connected to the drill carriage located inside in the length direction of the holder is provided inside the holder.

3. The multi-arm drill frame mechanism for the underground coal mine according to claim 1 or 2, wherein the translation component comprises a first telescopic part, a sliding seat and a connecting frame, the sliding seat is connected with the fixed guide rail, one end of the first telescopic part is connected with the fixed frame, the other end of the first telescopic part is connected with the sliding seat, the first telescopic part is used for driving the sliding seat to move in the length direction of the fixed frame, the connecting frame is arranged between the drill frame and the sliding seat, one end of the connecting frame is connected with the sliding seat, and the other end of the connecting frame is connected with the drill frame.

4. The multi-arm drill frame mechanism for underground coal mines as claimed in claim 3, wherein one side of the drill frame adjacent to the fixed frame is hinged with the connecting frame through a pin shaft, and the drill frame can swing around the pin shaft.

5. The multi-arm drill frame mechanism for the underground coal mine as claimed in claim 4, further comprising a plurality of second telescopic members, wherein the plurality of second telescopic members correspond to the plurality of drill frames one by one, one end of each second telescopic member is hinged with the drill frame, and the other end of each second telescopic member is hinged with the connecting frame.

6. The multi-arm drill frame mechanism for the underground coal mine as claimed in claim 4 or 5, wherein the swing angle of the drill frame around the pin shaft is theta, and the theta is greater than or equal to 0 degrees and less than or equal to 10 degrees.

7. The multi-arm drill rig mechanism for underground coal mines of claim 6, wherein two of the drill rigs outermost in the length direction of the fixture are rotatable relative to the fixture.

8. The multi-arm drill carriage mechanism for underground coal mines according to claim 7, further comprising two rotating assemblies, wherein the two rotating assemblies are connected with the two drill carriages located at the outermost sides of the drill carriages in the length direction of the fixing frame in a one-to-one correspondence manner, each of the two rotating assemblies comprises two third telescopic members, a rotating frame and a rotating shaft, the rotating shaft penetrates through the sliding seat along the thickness direction of the fixing frame, one end of the rotating shaft is connected with the connecting frame, the other end of the rotating shaft is connected with the rotating frame, one end of each of the two third telescopic members is connected with the sliding seat, and the other end of each of the two third telescopic members is connected with the rotating frame.

9. The multi-arm drilling rig mechanism for coal mines as claimed in claim 8, wherein the turret is provided with first and second connecting portions spaced apart circumferentially of the rotational axis, one of the two third telescoping members is connected to the first connecting portion and the other of the two third telescoping members is connected to the second connecting portion.

10. The multi-arm drill rig mechanism for use in underground coal mines according to claim 8, wherein the rotating assembly further comprises a sleeve, the sleeve is sleeved outside the rotating shaft, the sleeve is connected with the sliding seat, and the sleeve is at least partially located in the sliding seat.

11. The multi-arm drill rig mechanism for underground coal mines according to any of claims 7 to 10, wherein two of the drill rigs located outermost in the length direction of the fixture are rotated by an angle β of 0 ° ≦ β ≦ 90 ° relative to the fixture.

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