CN215761783U - Double-rack-rail scraper conveying device and coal mining device - Google Patents
Double-rack-rail scraper conveying device and coal mining device Download PDFInfo
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- CN215761783U CN215761783U CN202022417234.XU CN202022417234U CN215761783U CN 215761783 U CN215761783 U CN 215761783U CN 202022417234 U CN202022417234 U CN 202022417234U CN 215761783 U CN215761783 U CN 215761783U
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Abstract
The utility model relates to the technical field of coal mining equipment, in particular to a double-rack-rail scraper conveying device and a coal mining device. The double-rack scraper conveyor has a reasonable and compact structure, and the coal mining machine can walk on the double-rack scraper conveyor through the double racks, so that the phenomena of uneven stress, blockage and incapability of walking smoothly when the coal mining machine works are avoided, and the installation and maintenance are facilitated; the problems that the cutting drums of the coal mining machine on the left side and the right side of the machine body of the coal mining machine are not uniformly stressed, are not clamped, cannot walk smoothly, and the machine body of the coal mining machine is inclined, the machine body of the coal mining machine jumps and the coal mining machine topples over can be prevented through the arrangement of the detaining groove, the fault rate of the coal mining machine is reduced, and the coal mining efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of coal mining equipment, in particular to a double-rack-track scraper conveying device and a coal mining device.
Background
The traditional scraper conveyor is generally a unilateral rack rail, the other side of the scraper conveyor is provided with a shovel plate, a coal mining machine roller is arranged above one side of the shovel plate of the coal mining machine, the coal mining machine is used for mining coal in front of the shovel plate of the scraper conveyor, the general section size of the scraper conveyor is large (the section size is generally 630mm and above), the weight of the matched coal mining machine is heavier, the coal mining machine is only provided with a cutting roller on one side of the shovel plate of the scraper conveyor, the other side of the coal mining machine is a walking gear mechanism and can be meshed with the unilateral rack rail of the scraper conveyor to walk, and the problems of uneven stress, poor clamping and incapability of walking on the stress of the unilateral roller coal mining machine matched with the unilateral rack scraper conveyor are generally avoided. When the cutting drums are arranged on the two sides of the body of the coal mining machine and the weight of the coal mining machine is relatively light, a series of problems such as uneven driving stress, clamping, incapability of walking smoothly, deflection of the body of the coal mining machine, jumping of the body of the coal mining machine, toppling of the coal mining machine and the like easily occur when the coal mining machine is matched with a traditional single-side rack scraper conveyor for use.
Disclosure of Invention
The utility model provides a double-rack-rail scraper conveying device and a coal mining device, overcomes the defects of the prior art, and can effectively solve the problems of the skew of a coal mining machine body, the jumping of the coal mining machine body and the toppling of the coal mining machine when the existing coal mining machine and the scraper conveying machine are used in a matched manner.
One of the technical schemes of the utility model is realized by the following measures: a double-rack-rail scraper conveying device comprises a middle groove, wherein rack rails are fixedly arranged on groove walls on two sides of the middle groove through rack rail seats respectively.
The following is a further optimization or/and improvement of one of the above technical solutions of the present invention:
the bottom of the outside rail body of the rack rail at least one side of the middle groove can be provided with a buckling bulge.
The middle grooves are fixedly connected together to form a middle groove body.
The second technical scheme of the utility model is realized by the following measures: the utility model provides a coal mining device, including coal-winning machine body and double rack rails scraper conveyor, the coal-winning machine body includes the coal-winning machine fuselage, coal-winning machine rocking arm and coal-winning machine cutting drum, be equipped with coal-winning machine cutting drum in the coal-winning machine fuselage left and right sides, coal-winning machine cutting drum links together and can the up-and-down reciprocal swing through coal-winning machine rocking arm and coal-winning machine fuselage, the coal-winning machine fuselage downside of position is set up to middle part cell body between coal-winning machine cutting drum, it detains the groove to be equipped with the decurrent knot of opening in coal-winning machine fuselage lower part one side, the middle part in detaining the groove is equipped with the rack rail wheel with this side rack rail meshing, the rack rail is located detains the inslot, be equipped with the rack rail wheel with opposite side rack rail meshing in coal-winning machine fuselage lower part opposite side.
The following is further optimization or/and improvement of the second technical scheme of the utility model:
the bottom of the outer side wall of the buckling groove can be provided with a horizontal clamping table, and buckling bulges at the bottom of the outer side rail body of the rack rail vertically correspond to the horizontal clamping table.
The third technical scheme of the utility model is realized by the following measures: the utility model provides a coal mining device, including coal-winning machine body and double rack rail scraper conveyor, the coal-winning machine body includes the coal-winning machine fuselage, coal-winning machine rocking arm and coal-winning machine cutting drum, all be equipped with coal-winning machine cutting drum in the coal-winning machine fuselage left and right sides, coal-winning machine cutting drum links together and can the reciprocal swing from top to bottom through coal-winning machine rocking arm and coal-winning machine fuselage, the coal-winning machine fuselage downside of position is set up to the middle part cell body between coal-winning machine cutting drum, be equipped with the undermining groove of opening respectively in coal-winning machine fuselage lower part both sides, be equipped with respectively at the middle part in undermining groove with the rack rail wheel of both sides rack rail meshing, the rack rail is located undermining inslot.
The third technical scheme of the utility model is further optimized or/and improved as follows:
the bottom of the outer side wall of the buckling groove can be provided with a horizontal clamping table, and buckling bulges at the bottom of the outer side rail body of the rack rail vertically correspond to the horizontal clamping table.
The rack wheel is connected with a driving device of the coal mining machine body, and the arrangement quantity of the rack wheels on two sides of the coal mining machine body is respectively set to be one to four according to different gradient requirements.
The double-rack scraper conveyor has a reasonable and compact structure, and the coal mining machine can travel on the double-rack scraper conveyor through the double racks, so that the phenomena of uneven stress, blockage and incapability of smooth traveling of the coal mining machine during working are avoided, and the installation and maintenance are facilitated; the problems that the cutting drums of the coal mining machine on the left side and the right side of the machine body of the coal mining machine are not uniformly stressed, are not clamped, cannot walk smoothly, and the machine body of the coal mining machine is inclined, the machine body of the coal mining machine jumps and the coal mining machine topples over can be prevented through the arrangement of the detaining groove, the fault rate of the coal mining machine is reduced, and the coal mining efficiency is improved.
Drawings
FIG. 1 is a schematic cross-sectional structure of the first embodiment.
Fig. 2 is a schematic top view of the first embodiment.
Fig. 3 is a schematic cross-sectional structure diagram of the second embodiment.
FIG. 4 is a schematic cross-sectional structure of the third embodiment.
Fig. 5 is a schematic left-view partially-zoomed structure diagram of the third embodiment.
Fig. 6 is a schematic top view of the structure of fig. 5.
The codes in the figures are respectively: the coal mining machine comprises a ledge 1, a rack 2, a rack seat 3, a buckling bulge 4, an ear seat 5, a middle groove 6, a coal mining machine body 7, a coal mining machine rocker arm 8, a coal mining machine cutting drum 9, a buckling groove 10, a rack wheel 11 and a horizontal clamping table 12.
Detailed Description
The present invention is not limited by the following examples, and specific embodiments may be determined according to the technical solutions and practical situations of the present invention.
In the present invention, for convenience of description, the description of the relative positional relationship of the components is described according to the layout pattern of fig. 1 of the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.
The utility model is further described with reference to the following examples and figures:
the first embodiment is as follows: as shown in the attached figure 1, the double-rack scraper conveyor comprises a middle trough 6, and racks 2 are fixedly arranged on ledges 1 on two sides of the middle trough 6 respectively through rack seats 3.
According to the demand, middle part groove 6 is including being located the middle part and being used for bearing the medium plate of buggy, setting up ledge 1 and the back cover plate of setting in the medium plate below in the middle plate left and right sides, and cogged rail 2 fixed mounting is in ledge 1 upside. In the use, through setting up rack 2, the coal-winning machine can walk on double rack rail scraper blade conveyor through rack wheel 11, avoids the coal-winning machine in the during operation phenomenon that the atress is inhomogeneous, do not block and can't walk smoothly, can improve coal mining efficiency, also can be convenient for install and maintain.
The double-tooth-track scraper conveying device can be further optimized or/and improved according to actual requirements:
as shown in the attached fig. 1 and 3, the bottom of the outer rail body of the rack 2 on at least one side of the middle groove 6 is provided with a catching protrusion 4.
In the use, through such setting, can make coal-winning machine and detain protruding 4 lock of withholding and be in the same place, can prevent that coal-winning machine weight is light and cause the fuselage that coal-winning machine coal mining in-process appears to beat or topple over the phenomenon. At least one side of the middle groove 6 is connected with at least one set of ear seat 5 according to requirements. In the use process, the lug seats 5 are arranged, so that the double-rack scraper conveying device can be pushed (pulled) leftwards or rightwards by the pushing oil cylinder, and the coal mining machine can move forwards or backwards on the double-rack scraper conveying device to cut and mine coal at different positions.
As shown in the attached figure 2, when the scraper conveyer is used, a plurality of middle groove bodies 6 which are fixedly connected together form a middle groove body, and the head transmission part, the transition groove, the adjusting groove, the middle groove body and the tail part are connected together to form the double-rack scraper conveyer. The transmission part of the machine head, the transition groove, the adjusting groove and the tail part are all the prior known technologies. The double-rack-rail scraper conveyor can be matched with a coal mining machine with a cutting roller on one side and a coal mining machine with cutting rollers on two sides, so that the coal mining machine can move forwards or backwards on the double-rack-rail scraper conveyor to cut and mine coal at different positions.
Example two: as shown in fig. 3, the coal mining device comprises a coal mining machine body and a double-rack scraper conveyor, wherein the coal mining machine body comprises a coal mining machine body 7, coal mining machine rocker arms 8 and coal mining machine cutting drums 9, the coal mining machine cutting drums 9 are arranged on the left side and the right side of the coal mining machine body 7, the coal mining machine cutting drums 9 are connected with the coal mining machine body 7 through the coal mining machine rocker arms 8 and can swing up and down in a reciprocating mode, a middle groove 6 is formed in the lower side of the coal mining machine body 7 between the coal mining machine cutting drums 9, a pressing groove 10 with a downward opening is formed in one side of the lower portion of the coal mining machine body 7, a rack wheel 11 meshed with the rack 2 on the side is arranged in the middle of the pressing groove 10, the rack 2 is located in the pressing groove 10, and a rack wheel 11 meshed with the rack 2 on the other side of the lower portion of the coal mining machine body 7 is arranged on the other side of the coal mining machine body 7.
In the use process, the left side of the lower part of the coal mining machine body 7 or the right side of the lower part of the coal mining machine body is provided with a catching groove 10 which can be matched with the rack rails 2 of the scraper conveyor with the double rack rails 2 for use, and the rack rails 2 are positioned in the catching groove 10 to prevent the problems that the cutting drums 9 of the coal mining machine on the left side and the right side of the coal mining machine body 7 are uneven in stress, clamped and cannot smoothly walk, and the coal mining machine body 7 is inclined, the coal mining machine body 7 jumps and the coal mining machine topples over, so that the fault rate of the coal mining machine is reduced, and the coal mining efficiency is improved.
The coal mining device can be further optimized or/and improved according to actual needs:
as shown in fig. 3, a horizontal clamping table 12 is arranged at the bottom of the outer side wall of the locking groove 10, and the locking protrusion 4 at the bottom of the outer side rail body of the rack rail 2 corresponds to the horizontal clamping table 12 up and down.
In the use, detain and press groove 10 left part or right part and be equipped with the horizontal ka tai 12 corresponding with detaining protruding 4 of the rack 2 rail body bottom of corresponding position, can prevent coal-winning machine horizontal hunting, prevent coal-winning machine luffing motion simultaneously.
Example three: as shown in fig. 4, 5 and 6, the coal mining device comprises a coal mining machine body and a double-rack scraper conveyor, wherein the coal mining machine body comprises a coal mining machine body 7, coal mining machine rocker arms 8 and coal mining machine cutting drums 9, the left side and the right side of the coal mining machine body 7 are respectively provided with the coal mining machine cutting drums 9, the coal mining machine cutting drums 9 are connected with the coal mining machine body 7 through the coal mining machine rocker arms 8 and can swing up and down in a reciprocating manner, a middle groove 6 is formed in the lower side of the coal mining machine body 7 between the coal mining machine cutting drums 9, two sides of the lower part of the coal mining machine body 7 are respectively provided with a pressing groove 10 with a downward opening, a rack wheel 11 meshed with rack rails 2 on two sides is respectively arranged in the middle of the pressing groove 10, and the rack 2 is positioned in the pressing groove 10.
In the use, coal-winning machine fuselage 7 lower part left side and lower part right side all are equipped with the groove 10 of detaining that can use with the cogged rail 2 cooperation of double rack rail 2 scraper conveyor, cogged rail 2 is located detains groove 10 and can prevents that coal-winning machine fuselage 7 left side and right side coal-winning machine cutting drum 9 atress is inhomogeneous, do not block, unable smooth and easy walking and coal-winning machine fuselage 7 is crooked, coal-winning machine fuselage 7 is beated, the problem that coal-winning machine fuselage 7 emptys, the fault rate of reduction coal-winning machine body, coal mining efficiency is improved.
The coal mining device can be further optimized or/and improved according to actual needs:
as shown in fig. 4, 5 and 6, a horizontal clamping table 12 is arranged at the bottom of the outer side wall of the locking groove 10, and the locking protrusion 4 at the bottom of the outer side rail body of the rack rail 2 corresponds to the horizontal clamping table 12 up and down.
In the use, detain groove 10 left part and right part and all be equipped with the horizontal ka tai 12 corresponding with detaining the arch 4 of the rack 2 rail body bottom of corresponding position, can prevent coal-winning machine fuselage 7 horizontal hunting, prevent coal-winning machine fuselage 7 luffing motion simultaneously.
The toothed rail wheels 11 are connected with a driving device of the coal mining machine body as required, and the arrangement quantity of the toothed rail wheels 11 on two sides of different slope requirements is respectively set to be one to four.
In the use, through such setting, can strengthen the stability of coal-winning machine body in the walking process, also can the load of rational distribution rack wheel 11, can avoid rack wheel 11 and rack 2 load intensity too big to cause the damage, can prolong the life of rack 2 and rack wheel 11, reduce running cost.
The technical characteristics form an embodiment of the utility model, which has strong adaptability and implementation effect, and unnecessary technical characteristics can be increased or decreased according to actual needs to meet the requirements of different situations.
Claims (8)
1. A double-rack-rail scraper conveying device comprises a middle groove, and is characterized in that rack rails are fixedly mounted on groove sides on two sides of the middle groove through rack rail seats respectively, and a buckling protrusion is arranged at the bottom of a rail body outside the rack rails on at least one side of the middle groove.
2. A double rack track scraper conveyor as claimed in claim 1 wherein a plurality of intermediate troughs are fixedly connected together to form an intermediate trough body.
3. A coal mining device using the double-rack scraper conveyor device as claimed in claim 2, characterized by comprising a coal mining machine body and the double-rack scraper conveyor device, wherein the coal mining machine body comprises a coal mining machine body, coal mining machine rocker arms and coal mining machine cutting drums, the coal mining machine cutting drums are arranged on the left side and the right side of the coal mining machine body, the coal mining machine cutting drums are connected with the coal mining machine body through the coal mining machine rocker arms and can swing up and down in a reciprocating manner, a middle groove body is arranged on the lower side of the coal mining machine body between the coal mining machine cutting drums, a pressing groove with a downward opening is arranged on one side of the lower part of the coal mining machine body, a rack wheel meshed with the rack on the side is arranged in the pressing groove, and a rack wheel meshed with the rack on the other side of the lower part of the coal mining machine body is arranged on the other side of the lower part of the coal mining machine body.
4. The coal mining device according to claim 3, characterized in that the bottom of the outer side wall of the catching groove is provided with a horizontal clamping table, and the catching bulge at the bottom of the outer rail body of the rack rail vertically corresponds to the horizontal clamping table.
5. The coal mining device according to claim 3 or 4, characterized in that the rack wheels are connected with a driving device of the coal mining machine body, and the arrangement number of the rack wheels on two sides is respectively set to be one to four according to different slope requirements.
6. A coal mining device using the double-rack scraper conveyor device as claimed in claim 2, characterized by comprising a coal mining machine body and a double-rack scraper conveyor, wherein the coal mining machine body comprises a coal mining machine body, coal mining machine rocker arms and coal mining machine cutting drums, the left side and the right side of the coal mining machine body are respectively provided with the coal mining machine cutting drums, the coal mining machine cutting drums are connected with the coal mining machine body through the coal mining machine rocker arms and can swing up and down in a reciprocating manner, a middle groove body is arranged at the lower side of the coal mining machine body between the coal mining machine cutting drums, two sides of the lower part of the coal mining machine body are respectively provided with a pressing groove with a downward opening, the middle part of each pressing groove is respectively provided with a rack wheel meshed with the rack at two sides, and the rack is positioned in the pressing groove.
7. The coal mining device according to claim 6, characterized in that the bottom of the outer side wall of the catching groove is provided with a horizontal clamping table, and the catching bulge at the bottom of the outer rail body of the rack rail vertically corresponds to the horizontal clamping table.
8. The coal mining device according to claim 6 or 7, characterized in that the rack wheels are connected with a driving device of the coal mining machine body, and the arrangement number of the rack wheels on two sides is respectively set to be one to four according to different slope requirements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022417234.XU CN215761783U (en) | 2020-10-27 | 2020-10-27 | Double-rack-rail scraper conveying device and coal mining device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022417234.XU CN215761783U (en) | 2020-10-27 | 2020-10-27 | Double-rack-rail scraper conveying device and coal mining device |
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| Publication Number | Publication Date |
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| CN215761783U true CN215761783U (en) | 2022-02-08 |
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| CN202022417234.XU Active CN215761783U (en) | 2020-10-27 | 2020-10-27 | Double-rack-rail scraper conveying device and coal mining device |
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