CN113356765B - Coal mine digging and anchoring machine - Google Patents
Coal mine digging and anchoring machine Download PDFInfo
- Publication number
- CN113356765B CN113356765B CN202110757141.8A CN202110757141A CN113356765B CN 113356765 B CN113356765 B CN 113356765B CN 202110757141 A CN202110757141 A CN 202110757141A CN 113356765 B CN113356765 B CN 113356765B
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- piston rod
- telescopic cylinder
- cross beam
- cylinder
- clamping plate
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- 239000003245 coal Substances 0.000 title claims abstract description 46
- 238000004873 anchoring Methods 0.000 title description 4
- 238000005553 drilling Methods 0.000 claims abstract description 31
- 210000004907 gland Anatomy 0.000 claims description 26
- 230000000087 stabilizing effect Effects 0.000 claims description 11
- 230000013011 mating Effects 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 8
- 238000005065 mining Methods 0.000 description 5
- 230000005641 tunneling Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B12/00—Accessories for drilling tools
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/06—Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a coal mine anchor driving machine which comprises a machine body, a motor protection cover, a cantilever, a first telescopic oil cylinder and a second telescopic oil cylinder, wherein the motor protection cover is arranged on the machine body, one end of the cantilever is connected with the machine body, the other end of the cantilever is provided with a drilling frame platform, a cylinder body of the first telescopic oil cylinder is fixedly connected with the drilling frame platform, a pressing block is arranged at the end part of a piston rod of the first telescopic oil cylinder, the piston rod of the first telescopic oil cylinder can extend downwards, the pressing block is suitable for being abutted against the motor protection cover, the cylinder body of the second telescopic oil cylinder is fixedly connected with the drilling frame platform, a stable end disc is arranged at the end part of the piston rod of the second telescopic oil cylinder, the piston rod of the second telescopic oil cylinder can extend upwards, and the stable end disc is suitable for being abutted against the top wall of a roadway. The coal mine anchor driving machine provided by the embodiment of the invention has the advantages of high operation safety, small vibration of a drilling frame platform and high anchor drilling reliability.
Description
Technical Field
The invention relates to the technical field of coal mine tunneling equipment, in particular to a coal mine tunneling and anchoring machine.
Background
For example, when the coal mine anchor digger is used for anchor drilling or tunneling in a coal mine, the drill boom supports the drilling machine to punch or support the coal wall, the coal wall collapses to cause the coal block to fall off due to the fact that the coal wall collapses in the coal mine, the coal mine anchor digger is at risk in operation, and the drilling machine of the coal mine anchor digger in the related technology is large in vibration during operation, so that the accuracy of drilling operation is not facilitated, and meanwhile, the safety risk of coal wall collapse due to the large vibration of the drilling machine exists.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems in the related art to some extent. Therefore, the embodiment of the invention provides the coal mine anchor driving machine, which has high operation safety, small vibration of a drilling rig platform and high anchor drilling reliability.
The coal mine anchor machine according to the embodiment of the invention comprises: a body; the motor protection cover is arranged on the machine body; one end of the cantilever is connected with the machine body, and the other end of the cantilever is provided with a drilling frame platform; the cylinder body of the first telescopic cylinder is fixedly connected with the drill rig platform, a pressing block is arranged at the end part of a piston rod of the first telescopic cylinder, the piston rod of the first telescopic cylinder can extend downwards, and the pressing block is suitable for being abutted against the motor protection cover; the cylinder body of the second telescopic oil cylinder is fixedly connected with the drill rig platform, a stable end disc is arranged at the end part of a piston rod of the second telescopic oil cylinder, the piston rod of the second telescopic oil cylinder can extend upwards, and the stable end disc is suitable for stopping with the top wall of a roadway.
According to the coal mine anchor driving machine provided by the embodiment of the invention, the first telescopic oil cylinder is arranged, the cylinder body is connected with the drill floor, the piston rod of the first telescopic oil cylinder can extend downwards to stop the motor protective cover arranged on the machine body, the second telescopic oil cylinder is arranged, the cylinder body is connected with the drill floor, and the piston rod of the second telescopic oil cylinder can extend upwards to stop the top wall of a roadway, so that the drill floor can be supported and fixed by the first telescopic oil cylinder and the second telescopic oil cylinder, the drill floor is prevented from swinging due to vibration of a cantilever, the stability of the drill floor is improved, and the accuracy and reliability of the anchor driving of the drilling machine are improved.
In some embodiments, the rig floor extends in a horizontal direction, the cylinders of the first and second telescoping cylinders are both connected to the rig floor, and the first and second telescoping cylinders are spaced apart along the length of the rig floor.
In some embodiments, the coal mine anchor driving machine further comprises a cross beam and a protective net, wherein the cross beam extends along the length direction of the drill floor and is connected with a piston rod of the second telescopic oil cylinder, the upper end of the protective net is connected with the cross beam, and the lower end of the protective net is connected with the drill floor.
In some embodiments, the upper end of protection network is equipped with a plurality of edges the length direction interval arrangement's of crossbeam last connection buckle, be equipped with on the crossbeam edge the cardboard of length direction extension of crossbeam, be equipped with a plurality of edges its length direction interval arrangement's last card hole on the cardboard, a plurality of go up the connection buckle corresponds the cooperation in a plurality of go up the card hole, the lower extreme of protection network is equipped with a plurality of edges the length direction interval arrangement's of drilling carriage platform lower connection buckle, be equipped with a plurality of edges on the side of drilling carriage platform the length direction interval arrangement's of drilling carriage platform lower card hole, a plurality of lower connection buckle corresponds the cooperation in a plurality of lower card hole.
In some embodiments, the cross beam comprises a first cross beam and a second cross beam, the first cross beam and the second cross beam are respectively arranged at two sides of a piston rod of the second telescopic cylinder, a first clamping plate is arranged at the end part, adjacent to the second cross beam, of the first cross beam, a first matching groove facing to the piston rod opening of the second telescopic cylinder is arranged at the first clamping plate, a part of the piston rod of the second telescopic cylinder is matched in the first matching groove and fixedly connected with the first clamping plate through a screw, a second clamping plate is arranged at the end part, adjacent to the first cross beam, of the second cross beam, a second matching groove facing to the piston rod opening of the second telescopic cylinder is arranged at the second clamping plate, and the other part of the piston rod of the second telescopic cylinder is matched in the second matching groove and fixedly connected with the second clamping plate through a screw.
In some embodiments, the piston rod of the second telescopic cylinder is provided with an annular groove, the first clamping plate is matched in the annular groove, the first clamping plate is clamped between the inner side walls of the annular groove, the second clamping plate is matched in the annular groove, and the second clamping plate is clamped between the inner side walls of the annular groove.
In some embodiments, the coal mine anchor driving machine further comprises a first supporting arm and a second supporting arm, the first supporting arm and the second supporting arm are respectively arranged on two sides of the second telescopic cylinder, the first supporting arm comprises a first inner cylinder and a first outer cylinder, the first outer cylinder is connected with the drill frame platform, at least part of the first inner cylinder is matched in the first outer cylinder and is movable relative to the first outer cylinder in the up-down direction, the upper end of the first inner cylinder is connected with the end part, far away from the second telescopic cylinder, of the first cross beam, the second supporting arm comprises a second inner cylinder and a second outer cylinder, the second outer cylinder is connected with the drill frame platform, at least part of the second inner cylinder is matched in the second outer cylinder and is movable relative to the second outer cylinder in the up-down direction, and the upper end of the second inner cylinder is connected with the end part, far away from the second telescopic cylinder, of the second cross beam.
In some embodiments, the end of the second telescopic cylinder is provided with a generally spherical matching block, the bottom surface of the stable end disc is provided with an upward concave groove, the bottom surface of the groove is an arc-shaped surface, and part of the matching block is matched in the hemispherical groove.
In some embodiments, the coal mine anchor driving machine further comprises a first gland and a second gland, wherein the first gland and the second gland are both connected to the lower end face of the stabilizing end disc, the first gland and the second gland are respectively arranged on two sides of the matching block, a first annular groove is formed in the side face, facing the matching block, of the first gland, a second annular groove is formed in the side face, facing the matching block, of the second gland, a part of the matching block is matched between the first annular groove and the second annular groove, and the cross section of the part, matched between the first annular groove and the second annular groove, of the matching block is gradually increased from bottom to top.
Drawings
FIG. 1 is a cross-sectional view of a coal mine anchor machine in accordance with an embodiment of the present invention.
Fig. 2 is a schematic structural view of a coal mine anchor machine according to an embodiment of the present invention.
Fig. 3 is a schematic structural view of a second telescopic ram of the coal mining and anchoring machine according to an embodiment of the present invention in a contracted state.
Fig. 4 is a schematic structural view of a second telescopic ram of the coal mining anchor machine according to an embodiment of the present invention in an extended state.
Fig. 5 is an assembly view of a stabilization end plate and a second telescoping cylinder of a coal mine anchor machine in accordance with an embodiment of the present invention.
Fig. 6 is a schematic structural view of a protection net of a coal mine tunnel boring machine according to an embodiment of the present invention.
Reference numerals:
a coal mine anchor driving machine 1;
a body 10;
a cantilever 20; a motor shield 201; a rig floor 30; a first telescopic cylinder 40; a compact 401; a second telescopic cylinder 50; stabilizing end plate 501; a mating block 502; a first gland 503; a second gland 504; a sleeve 505; a cylinder block 506 of the second telescopic cylinder; a piston rod 507 of the second telescopic cylinder; an annular groove 5071; a protection net 60; an upper connecting buckle 601; a lower connection clasp 602;
a cross beam 70; a first cross member 701; a second beam 702; a first card 703; a second card 704;
a first support arm 80; a first inner barrel 801; a first outer cylinder 802; a second support arm 90; a second inner cylinder 901; a second outer barrel 902.
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 by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
As shown in fig. 1 to 6, a coal mine tunnel boring machine 1 according to an embodiment of the present invention includes a machine body 10, a motor protection cover 201, a boom 20, a first telescopic cylinder 40, and a second telescopic cylinder 50.
The motor protector 201 and the cantilever 20 are mounted on the body 10, one end of the cantilever 20 (the rear end of the cantilever 20 in fig. 1) is connected to the body 10, and the other end of the cantilever 20 is mounted with the drill floor 30. The coal mine anchor drilling machine 1 is provided with a drilling machine for drilling holes, the drilling machine is arranged on a drilling frame platform 30, and the cantilever 20 can swing to control the position of the drilling machine so as to realize multi-directional drilling.
The cylinder body of the first telescopic cylinder 40 is fixedly connected with the drill rig platform 30, a pressing block 401 is mounted at the end of a piston rod of the first telescopic cylinder 40, the piston rod of the first telescopic cylinder 40 can extend downwards, and the pressing block 401 is suitable for being abutted against the motor protection cover 201. In other words, the first telescopic cylinder 40 can take the motor protection cover 201 as a fulcrum to support the drill floor 30, and the first telescopic cylinder 40 can adjust the extension amount of the piston rod of the first telescopic cylinder 40 according to the height of the drill floor 30, so as to ensure that the first telescopic cylinder 40 can always support the drill floor 30 when the drilling machine is at any height. In addition, as shown in fig. 2, a protection sleeve 505 is sleeved outside the cylinder body of the first telescopic cylinder 40, the first cylinder is fixedly connected with the sleeve 505, and the sleeve 505 is connected with the drill floor 30 through screws.
The cylinder body 506 of the second telescopic cylinder is fixedly connected with the drill rig platform 30, the end part of the piston rod 507 of the second telescopic cylinder is provided with a stabilizing end disc 501, the piston rod 507 of the second telescopic cylinder can extend upwards, and the stabilizing end disc 501 is suitable for stopping with the top wall of a roadway.
As shown in fig. 1 and 2, when the coal mining machine 1 drills a coal wall, after the coal mining machine 1 moves to a preset operation point, a piston rod of the first telescopic cylinder 40 extends and stops the pressing block 401 on the motor protection cover 201 to use the first telescopic cylinder 40 as a lower support rod of the drill floor 30, and a piston rod 507 of the second telescopic cylinder extends and stops the stabilizing end plate 501 on a top wall of a roadway to use the second telescopic cylinder 50 as an upper support rod of the drill floor 30. It will be appreciated that the first telescopic ram 40 and the second telescopic ram 50 may support and fix the rig floor 30 to prevent the rig floor 30 from rocking due to vibration of the boom 20.
According to the coal mine anchor driving machine provided by the embodiment of the invention, the first telescopic oil cylinder is arranged, the cylinder body is connected with the drill floor, the piston rod of the first telescopic oil cylinder can extend downwards to stop the motor protective cover arranged on the machine body, the second telescopic oil cylinder is arranged, the cylinder body is connected with the drill floor, and the piston rod of the second telescopic oil cylinder can extend upwards to stop the top wall of a roadway, so that the drill floor can be supported and fixed by the first telescopic oil cylinder and the second telescopic oil cylinder, the drill floor is prevented from swinging due to vibration of a cantilever, the stability of the drill floor is improved, and the accuracy and reliability of the anchor driving of the drilling machine are improved.
Further, as shown in fig. 2, the drill floor 30 extends in the horizontal direction, the cylinder body 506 of the first telescopic cylinder 40 and the cylinder body 506 of the second telescopic cylinder are connected to the drill floor 30, and the first telescopic cylinder 40 and the second telescopic cylinder 50 are arranged at intervals along the length direction (left-right direction shown in fig. 2) of the drill floor 30. Thus, the first telescopic cylinder 40 and the second telescopic cylinder 50 are reasonably arranged and do not interfere.
Further, as shown in fig. 2 to 4, the coal mine anchor machine 1 further comprises a beam 70 and a protection net 60, wherein the beam 70 extends along the length direction of the drill floor 30 and is connected with a piston rod 507 of the second telescopic cylinder, the upper end of the protection net 60 is connected with the beam 70, and the lower end of the protection net 60 is connected with the drill floor 30. Thus, the beam 70, the protection net 60 and the drill floor 30 may constitute a protection structure to intercept the falling coal pieces by the protection net 60, thereby improving the operation safety.
Further, as shown in fig. 2 and 6, the upper end of the protection net 60 is provided with a plurality of upper connection buckles 601 arranged at intervals along the length direction of the beam 70, the beam 70 is provided with a clamping plate (not shown) extending along the length direction of the beam 70, the clamping plate is provided with a plurality of upper clamping holes (not shown) arranged at intervals along the length direction of the beam, the plurality of upper connection buckles 601 are correspondingly matched in the plurality of upper clamping holes, the lower end of the protection net 60 is provided with a plurality of lower connection buckles 602 arranged at intervals along the length direction of the drill floor 30, the side surface of the drill floor 30 is provided with a plurality of lower clamping holes (not shown) arranged at intervals along the length direction of the drill floor 30, and the plurality of lower connection buckles 602 are correspondingly matched in the plurality of lower clamping holes. Therefore, the protective net 60 is convenient to assemble and disassemble, and high in connection reliability.
In some embodiments, as shown in fig. 2-4, the beam 70 includes a first beam 701 and a second beam 702, the first beam 701 and the second beam 702 are respectively disposed at two sides of the piston rod 507 of the second telescopic cylinder, the end of the first beam 701 adjacent to the second beam 702 has a first clamping plate 703, the first clamping plate 703 has a first fitting groove (not shown) opening toward the piston rod 507 of the second telescopic cylinder, a portion of the piston rod 507 of the second telescopic cylinder is fitted in the first fitting groove and fixedly connected with the first clamping plate 703 by a screw, the end of the second beam 702 adjacent to the first beam 701 has a second clamping plate 704, the second clamping plate 704 has a second fitting groove (not shown) opening toward the piston rod 507 of the second telescopic cylinder, and another portion of the piston rod 507 of the second telescopic cylinder is fitted in the second fitting groove and fixedly connected with the second clamping plate 704 by a screw.
As shown in fig. 3 and 4, the first cross member 701 is located at the left side of the second telescopic cylinder 50, the second cross member 702 is located at the right side of the second telescopic cylinder 50, the right end of the first cross member 701 has a first clamping plate 703, the first clamping plate 703 has a first matching groove opening rightward, the left end of the second cross member 702 has a second clamping plate 704, the second clamping plate 704 has a second matching groove opening leftward, the first matching groove and the second matching groove are both semicircular grooves, the first cross member 701 is clamped at the left side portion of the piston rod 507 of the second telescopic cylinder by the first clamping plate 703, and the second cross member 702 is clamped at the right side portion of the piston rod 507 of the second telescopic cylinder by the second clamping plate 704. It will be appreciated that the first clamping plate 703 and the second clamping plate 704 are attached to the outer surface of the piston rod 507 of the second telescopic cylinder, and the first beam 701 and the second beam 702 can be separately assembled and disassembled, so as to facilitate replacement of the single beam 70.
Further, as shown in fig. 3-5, the piston rod 507 of the second telescopic cylinder is provided with an annular groove 5071, the first clamping plate 703 is matched in the annular groove, and the first clamping plate 703 is clamped between the inner side walls of the annular groove 5071. Therefore, when the piston rod 507 of the second telescopic cylinder drives the first cross beam 701 to move, the inner side wall of the annular groove 5071 can push the first cross beam 701 to move, so that the stress of a screw for connecting the first clamping plate 703 and the piston rod is reduced, and the service life of the screw is prolonged. Likewise, as shown in fig. 3-5, the second card 704 fits within the annular groove, and the second card 704 is clamped between the inner side walls of the annular groove 5071.
In some embodiments, as shown in fig. 3 and 4, the coal mining anchor machine 1 further includes a first support arm 80 and a second support arm 90, the first support arm 80 and the second support arm 90 being respectively disposed at both sides of the second telescopic cylinder 50, the first support arm 80 including a first inner cylinder 801 and a first outer cylinder 802, the first outer cylinder 802 being connected to the boom platform 30, at least a portion of the first inner cylinder 801 being fitted within the first outer cylinder 802 and movable in an up-down direction with respect to the first outer cylinder 802, an upper end of the first inner cylinder 801 being connected to an end of the first cross member 701 (a left end of the first cross member 701 in fig. 4) remote from the second telescopic cylinder 50, the second support arm 90 including a second inner cylinder 901 and a second outer cylinder 902, the second outer cylinder 902 being connected to the boom platform 30, at least a portion of the second inner cylinder 901 being fitted within the second outer cylinder 902 and movable in the up-down direction with respect to the second outer cylinder 902, an upper end of the second inner cylinder 901 being connected to an end of the second cross member 702 remote from the second telescopic cylinder 50 (a right end of the second cross member 702 in fig. 4).
It will be appreciated that when the piston of the second telescopic cylinder 50 extends, it can drive the first beam 701 and the second beam 702 to move, the first inner cylinder 801 can move along with the first beam 701, the second inner cylinder 801 can move along with the second beam 702, and in this process, the first inner cylinder 801 can support and guide the first beam 701, and the second inner cylinder 901 can support and guide the second beam 702.
In some embodiments, as shown in fig. 5, the end of the second telescopic cylinder 50 has a substantially spherical matching block 502, the bottom surface of the stabilizing end disc 501 has an upwardly concave groove, the bottom surface of the groove is an arc surface, and a part of the matching block 502 is matched in the hemispherical groove. From this, the relative cooperation piece 502 of stable end dish 501 can carry out the rotation of certain angle around the surface of cooperation piece 502 to can be when tunnel roof unevenness, the convenient stable end plate angle of adjustment is in order to laminate with the tunnel roof.
Further, as shown in fig. 5, the coal mine anchor machine 1 further includes a first gland 503 and a second gland 504, the first gland 503 and the second gland 504 are both connected to the lower end face of the stabilizing end plate 501, and the first gland 503 and the second gland 504 are respectively disposed at two sides of the mating block 502, a side face of the first gland 503 facing the mating block 502 has a first annular groove 5071, a side face of the second gland 504 facing the mating block 502 has a second annular groove 5071, a portion of the mating block 502 is mated between the first annular groove and the second annular groove 5071, and a cross-sectional area of a portion of the mating block 502 mated between the first annular groove and the second annular groove is gradually increased from bottom to top. Thus, while the first pressing cover 503, the second pressing cover 504 and the stabilizing end disc 501 are connected to form a whole, the first pressing cover 503 and the second pressing cover 504 can clamp the matching block 502, so that the stabilizing end disc 501 can be prevented from falling off from the matching block 502.
In the description of the present invention, it should 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular 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, schematic representations of the above terms are not necessarily directed 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, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (7)
1. A coal mine anchor machine, comprising:
a body;
the motor protection cover is arranged on the machine body;
one end of the cantilever is connected with the machine body, and the other end of the cantilever is provided with a drilling frame platform;
the cylinder body of the first telescopic cylinder is fixedly connected with the drill rig platform, a pressing block is arranged at the end part of a piston rod of the first telescopic cylinder, the piston rod of the first telescopic cylinder can extend downwards, and the pressing block is suitable for being abutted against the motor protection cover;
the cylinder body of the second telescopic cylinder is fixedly connected with the drill rig platform, a stable end disc is arranged at the end part of a piston rod of the second telescopic cylinder, the piston rod of the second telescopic cylinder can extend upwards, and the stable end disc is suitable for stopping with the top wall of a roadway;
the cross beam extends along the length direction of the drill floor and is connected with a piston rod of the second telescopic oil cylinder, the upper end of the protective net is connected with the cross beam, and the lower end of the protective net is connected with the drill floor;
the upper end of protection network is equipped with a plurality of edges the last connection buckle of length direction interval arrangement of crossbeam, be equipped with on the crossbeam edges the cardboard of length direction extension of crossbeam, be equipped with a plurality of edges its length direction interval arrangement's last draw-in hole on the cardboard, a plurality of go up connection buckle corresponds the cooperation in a plurality of go up the draw-in hole, the lower extreme of protection network is equipped with a plurality of edges the lower connection buckle of length direction interval arrangement of drilling carriage platform, be equipped with a plurality of edges on the side of drilling carriage platform the lower draw-in hole of length direction interval arrangement of drilling carriage platform, a plurality of lower connection buckle corresponds the cooperation in a plurality of in the lower draw-in hole.
2. The coal mine anchor machine of claim 1, wherein the boom platform extends in a horizontal direction, the cylinders of the first and second telescoping cylinders are connected to the boom platform, and the first and second telescoping cylinders are spaced apart along the length of the boom platform.
3. The coal mine anchor machine of claim 1, wherein the cross beam comprises a first cross beam and a second cross beam, the first cross beam and the second cross beam are respectively arranged at two sides of a piston rod of the second telescopic cylinder, a first clamping plate is arranged at the end part of the first cross beam adjacent to the second cross beam, the first clamping plate is provided with a first matching groove which faces to the piston rod opening of the second telescopic cylinder, a part of the piston rod of the second telescopic cylinder is matched in the first matching groove and fixedly connected with the first clamping plate through a screw, a second clamping plate is arranged at the end part of the second cross beam adjacent to the first cross beam, a second matching groove which faces to the piston rod opening of the second telescopic cylinder is arranged at the second clamping plate, and the other part of the piston rod of the second telescopic cylinder is matched in the second matching groove and fixedly connected with the second clamping plate through a screw.
4. A coal mine anchor machine as claimed in claim 3 wherein the piston rod of the second telescopic cylinder is provided with an annular groove, the first clamping plate is fitted in the annular groove, the first clamping plate is clamped between the inner side walls of the annular groove, the second clamping plate is fitted in the annular groove, and the second clamping plate is clamped between the inner side walls of the annular groove.
5. A coal mine anchor machine as claimed in claim 3 further comprising first and second support arms, the first and second support arms being provided on respective sides of the second telescopic ram, the first support arm comprising a first inner barrel and a first outer barrel, the first outer barrel being connected to the boom platform, at least part of the first inner barrel being fitted in the first outer barrel and being movable in an up-down direction relative to the first outer barrel, an upper end of the first inner barrel being connected to an end of the first cross beam remote from the second telescopic ram, the second support arm comprising a second inner barrel and a second outer barrel, the second outer barrel being connected to the boom platform, at least part of the second inner barrel being fitted in the second outer barrel and being movable in an up-down direction relative to the second outer barrel, an upper end of the second inner barrel being connected to an end of the second cross beam remote from the second telescopic ram.
6. The coal mine anchor machine of claim 1, wherein the end of the second telescoping ram has a generally spherical mating block, the bottom surface of the stabilizing end plate has an upwardly concave recess, the bottom surface of the recess is arcuate, and a portion of the mating block fits within the recess.
7. The coal mine anchor drilling machine of claim 6, further comprising a first gland and a second gland, wherein the first gland and the second gland are both connected to the lower end face of the stabilizing end disc, the first gland and the second gland are respectively arranged on two sides of the matching block, a first annular groove is formed in a side face, facing the matching block, of the first gland, a second annular groove is formed in a side face, facing the matching block, of the second gland, a portion of the matching block is matched between the first annular groove and the second annular groove, and a cross-sectional area of the portion, matched between the first annular groove and the second annular groove, of the matching block is gradually increased from bottom to top.
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