CN212150402U - Middle groove and coal mine conveying equipment - Google Patents
Middle groove and coal mine conveying equipment Download PDFInfo
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- CN212150402U CN212150402U CN202020511488.5U CN202020511488U CN212150402U CN 212150402 U CN212150402 U CN 212150402U CN 202020511488 U CN202020511488 U CN 202020511488U CN 212150402 U CN212150402 U CN 212150402U
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Abstract
The utility model provides a middle part groove and colliery conveying equipment. The middle part groove includes the cell body, and the cell body includes: a bottom plate portion; the two side plate parts are oppositely arranged and are connected with the bottom plate part turn; wherein, the groove body is a groove-shaped structure formed by bending the whole plate. The middle groove provided by the technical scheme forms the groove body in a mode of bending the whole plate, and compared with the related art, the groove body is formed in a mode of welding a plurality of plates, so that the number of the plates and the number of welding seams in the production process are reduced, the production cost is reduced, the process quality is easy to control, the production quality is favorably improved, and the labor intensity is reduced. Meanwhile, welding is not needed, and compared with the related technology, the groove body provided by the application has no welding line, so that the problem of welding line cracking does not exist in the using process, and the use reliability and the service life of a product are improved.
Description
Technical Field
The utility model relates to a mine operation technical equipment field particularly, designs a colliery conveying equipment's middle part groove and colliery conveying equipment including above-mentioned middle part groove.
Background
At present, a transfer conveyor is used as middle transfer equipment of a longwall fully-mechanized coal mining face coal mining and transporting system, is usually arranged in a transportation gate way, is a scraper conveyor capable of longitudinally moving integrally, and moves integrally along with the propulsion of a coal mining face and the extension and retraction of a belt conveyor. However, the problem of weld seam open welding is easy to occur in the using process of the middle groove of the existing reversed loader.
SUMMERY OF THE UTILITY MODEL
In order to improve at least one of the technical problems, an object of the utility model is to provide a colliery is middle part groove of conveying equipment.
Another object of the utility model is to provide a colliery conveying equipment including above-mentioned middle part groove.
In order to achieve the above object, the utility model discloses the technical scheme of the first aspect provides a colliery conveying equipment's middle part groove, the cell body includes: a bottom plate portion; the two side plate parts are oppositely arranged and are connected with the bottom plate part turn; wherein, the groove body is a groove-shaped structure formed by bending the whole plate.
The middle groove provided by the technical scheme forms the groove body in a mode of bending the whole plate, and compared with the related art, the groove body is formed in a mode of welding a plurality of plates, so that the number of the plates and the number of welding seams in the production process are reduced, the production cost is reduced, the process quality is easy to control, the production quality is favorably improved, and the labor intensity is reduced. Meanwhile, welding is not needed, and compared with the related art, the groove body provided by the embodiment has no welding line, so that the problem of welding line cracking does not exist in the using process, and the use reliability and the service life of a product are improved.
Additionally, the utility model provides an among the above-mentioned technical scheme middle part groove can also have following additional technical characterstic:
in the above technical solution, the side plate portion is provided with a notch, and the notch is arranged at one end of the side plate portion close to the bottom plate portion; the bottom plate part is provided with a convex edge corresponding to the gap, and the size of the convex edge is matched with that of the gap; the middle part groove still includes: and the connecting end is arranged at the opening, is connected with the side plate part and is connected with the convex edge, and the connecting end is used for being connected with the connecting end of the other middle groove so as to connect the two middle grooves.
In the above technical solution, the number of the openings is two, and the two openings are respectively disposed at two ends of the side plate portion along the extending direction of the middle groove; the connecting end head comprises a convex end head and a concave end head which are matched, one of the convex end head and the concave end head is arranged at one of the openings, and the other one is arranged at the other opening.
In the technical scheme, the connecting end is provided with a sliding groove; the middle part groove still includes: the middle plate is connected with the sliding groove and is arranged in parallel with the bottom plate part; and the middle plate, the bottom plate part and the two side plate parts enclose a lower chain channel, and the lower chain channel is used for a scraper of the coal mine conveying equipment to pass through.
In the technical scheme, wing plates are arranged on the side plate parts and are arranged above the middle plate; the wing plates, the two side plates and the middle plate which are respectively arranged on the two side plates enclose an upper chain channel, and the upper chain channel is used for a scraper of coal mine conveying equipment to pass through.
In the technical scheme, a first rib plate is arranged between the two convex end heads and the concave end head which are positioned on one side of the same side plate, the first rib plate is connected with the bottom plate part, and the end face of the first rib plate is flush with the end face of the bottom plate part; and a second rib plate is erected on the convex end and the concave end which are positioned on one side of the same side plate, and the end surface of the second rib plate is parallel to the end surface of the bottom plate part.
In the above technical scheme, the tank body includes a cover plate connecting plate connected with the side plate portion turn, a third rib plate is arranged between the cover plate connecting plate and the second rib plate, the third rib plate is connected with the side plate portion, and two ends of the third rib plate are respectively connected with the cover plate connecting plate and the second rib plate; and/or a fourth rib plate is arranged between the first rib plate and the second rib plate, the fourth rib plate is connected with the side plate part, and two ends of the fourth rib plate are respectively connected with the first rib plate and the second rib plate.
In the above technical solution, the joint of the bottom plate and the side plate is in rounded transition.
The utility model discloses technical scheme of the second aspect provides a colliery conveying equipment, include: the middle groove of the coal mine conveying equipment in the technical scheme of the first aspect.
The utility model discloses the colliery conveying equipment that technical scheme of second aspect provided, because of containing any one in the first aspect technical scheme colliery conveying equipment's middle part groove, therefore have all beneficial effects that any above-mentioned technical scheme had, no longer describe here.
The coal mine conveying equipment can be a reversed loader or a scraper conveyor. Similarly, the middle groove of the coal mine conveying equipment can be the middle groove of a reversed loader or the middle groove of a scraper conveyor.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural view of a trough body according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a trough body according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a whole plate according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a middle tank according to an embodiment of the present invention.
Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 4 is:
100 groove bodies; 10 a bottom plate portion; 12, opening the groove; 20 side plate parts; 22 convex edges; 24 wing plates; 30 cover plate connecting plates; 40 round corners; 200 connecting the end heads; 300 middle plate; 51 a first rib plate; 52 second rib plate; 53 third web; 54 fourth web.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
The middle groove of the coal mine conveying equipment and the coal mine conveying equipment in some embodiments of the present invention are described below with reference to fig. 1 to 4.
Some embodiments of the present application provide that a middle tank of a coal mine conveying apparatus includes a tank body 100.
Example one
As shown in fig. 1, the tank 100 is a trough-shaped structure formed by bending a whole plate, and specifically includes: a bottom plate part 10 and two side plate parts 20, wherein the two side plate parts 20 are oppositely arranged and are connected with the bottom plate part 10.
The colliery conveying equipment's that this embodiment provided middle part groove is equipped with cell body 100, cell body 100 is for being bent (carrying out the technological mode of buckling to the whole board) by whole board and form the trough-shaped structure, two parts of buckling are as side board portion 20 respectively, compare in the correlation technique, carry out the mode that welded mode formed the trough-shaped structure with polylith panel, reduced the panel quantity and the welding seam quantity in process of production, and the production cost is reduced, and the technological quality is easily handled and is controlled, is favorable to improving production quality, and the intensity of labour is reduced. Meanwhile, as welding is not required, compared with the related art, the groove body 100 provided by the embodiment has no welding line, so that the problem of welding line cracking does not exist in the using process, and the use reliability and the service life of the product are improved.
In some embodiments, as shown in fig. 2, the inflection connection of the bottom plate portion 10 and the side plate portion 20 transitions through a fillet 40.
Through setting up fillet 40 transition, can get rid of sharp limit, improve safe in utilization, reduce the possibility of scratch other equipment or personnel, in addition, for the right angle structure, can reduce local rigidity, reduce the stress that receives, reduce stress concentration. In addition, the rounded corner 40 transitions are more aesthetically pleasing.
Example two
In addition to the above embodiment, as shown in fig. 2, the side plate portion 20 is provided with the notch 12, and the notch 12 is provided at one end of the side plate portion 20 close to the bottom plate portion 10; the bottom plate part 10 is provided with a protruding edge 22, and the size of the protruding edge 22 is matched with that of the gap 12. The middle groove further comprises a connecting end 200, the connecting end 200 is arranged at the position of the notch 12, connected with the side plate part 20 and connected with the convex edge 22, and the connecting end 200 is used for being connected with the connecting end 200 of another middle groove so as to connect the two middle grooves.
Through the arrangement of the connecting end 200, a plurality of middle grooves can be connected in a front-back manner to form an integral structure. Therefore, the spare middle groove can be replaced after a certain middle groove is in a problem or seriously abraded, and the integral structure does not need to be replaced. Meanwhile, the underground space is limited in some cases, and the middle groove is arranged into an assembled structure through the arrangement of the connecting end heads 200, so that the middle groove can be conveniently assembled, disassembled and transported.
At the same time, the mounting location of the connector end 200 is defined by the provision of the gap 12 and the ledge 22. No special-shaped plate is required to be arranged. Specifically, before the whole plate is bent, the whole plate is configured as shown in fig. 3, the middle position is that two side plate portions 20 are respectively arranged on two sides of the bottom plate portion 10 and the bottom plate portion 10, the dotted line in fig. 3 is the bent portion, the solid line connecting two ends of the dotted line is the cut portion, and the whole plate is cut along the solid line, so that the convex edge 22 and the notch 12 are formed after the bending. Thus, the production cost can be further reduced.
In some embodiments, as shown in fig. 2, the extending direction of the central groove is the front-back direction, two gaps 12 are provided on one side plate portion 20, and the two gaps 12 are respectively provided on the front and back ends of the side plate portion 20.
In some embodiments, the connector tip 200 has both a male tip and a female tip, and the male tip is capable of being connected to the female tip. Like this, for example, protruding end sets up the front end in middle part groove, and concave end sets up the rear end in middle part groove, can link to each other with the concave end in another middle part groove through the protruding end in middle part groove like this, makes two middle part grooves link to each other, and protruding end and concave end cooperate and play good direction and connection.
In other embodiments, a connection tip 200 is formed by a combination of male and female tips such that each connection tip 200 is identical in configuration, which may help improve standardization.
EXAMPLE III
On the basis of the above embodiment, further, the connecting end 200 is provided with a sliding groove; the middle part groove still includes: a middle plate 300, wherein the middle plate 300 is connected with the sliding groove and is arranged in parallel with the bottom plate part 10; wherein, the middle plate 300, the bottom plate 10 and the two side plates 20 enclose a lower chain path, and the lower chain path is used for the scraper of the coal mine conveying equipment to pass through. As shown in fig. 4.
In some embodiments, as shown in fig. 4, the wing plates 24 are disposed on the side plate portion 20, and the wing plates 24 are disposed above the middle plate 300; wherein, the wing plate 24, the two side plates 20 and the middle plate 300 which are respectively arranged on the two side plates 20 enclose an upper chain channel, and the upper chain channel is used for a scraper of the coal mine conveying equipment to pass through.
The connecting end 200 is provided with the sliding groove, so that the middle plate 300 can be inserted into the cavity of the groove body 100 along the extending direction of the sliding groove, the middle plate 300 is more convenient to assemble, and the groove body 100 is divided into an upper space and a lower space by the middle plate 300. It can be understood that when coal is transported in a coal mine, the coal is transported on the middle plate 300 by a scraper, and the middle plate 300 in the related art is fixed in the cavity of the tank body 100 by welding, so that after two middle grooves are butted, the flatness of the surfaces of the middle plates 300 of the two middle grooves may have large errors and are not on the same plane, that is, the running resistance of the scraper is increased, and the abnormal wear of the middle plate 300 is accelerated. And through making middle plate 300 insert the cavity of cell body 100 along the extending direction of spout, can make two middle part grooves of butt joint share a middle plate 300, help improving the plane degree after two middle part grooves butt joint like this to reduce the running resistance of scraper blade and the abnormal wear of middle plate 300, also reduced the vibrations of middle part groove simultaneously, improved the stability in use of equipment.
Example four
On the basis of the above embodiment, further, as shown in fig. 4, a first rib plate 51 is arranged between the two male ends and the female ends on the same side of the bottom plate, the first rib plate 51 is connected with the bottom plate 10, and the end surface of the first rib plate 51 is flush with the end surface of the bottom plate 10; the convex end and the concave end on one side of the same side plate are provided with a second rib plate 52, and the end surface of the second rib plate 52 is parallel to the end surface of the bottom plate part 10.
Through the arrangement of the first rib plate 51, the structural strength of the flange 22 of the base plate is enhanced, and particularly after the two middle grooves are butted, the possibility of stress deformation of the flange 22 or the possibility of welding the connecting end 200 and the flange 22 is reduced, so that the use reliability of the equipment is improved. Wherein, first gusset 51 links to each other with protruding edge 22, set up on the position that leans on of connecting end 200, second gusset 52 sets up on connecting end 200, the setting is on the position that leans on of connecting end 200 for first gusset 51 and second gusset 52 mutually support, further strengthen the overall structure intensity of middle part groove, will transmit the atress in connecting end 200 department through first gusset 51 and second gusset 52 simultaneously, make the atress dispersion as far as possible, avoid the atress to concentrate, thereby further improve the use reliability of equipment.
In some embodiments, as shown in fig. 4, the tank body 100 includes a cover connecting plate 30 connected to the side plate portion 20, a third rib plate 53 is disposed between the cover connecting plate 30 and the second rib plate 52, the third rib plate 53 is connected to the side plate portion 20, and both ends of the third rib plate 53 are connected to the cover connecting plate 30 and the second rib plate 52, respectively.
In some embodiments, as shown in fig. 4, a fourth rib 54 is disposed between the first rib 51 and the second rib 52, the fourth rib 54 is connected to the side plate portion 20, and both ends of the fourth rib 54 are connected to the first rib 51 and the second rib 52, respectively.
In addition to the first rib 51 and the second rib 52 provided along the direction in which the center tunnel extends, i.e., the front-rear direction in fig. 4, third rib 53 and fourth rib 54 are provided perpendicular to the direction in which the center tunnel extends, i.e., the up-down direction in fig. 4. The structure of the middle trough is reinforced by the third rib plate 53 and the fourth rib plate 54, so that the integral structural strength and rigidity of the middle trough are improved, and the possibility of deformation of the middle trough in the using process is reduced.
It will be appreciated that there may be more than one third web 53 and fourth web 54 to further enhance the structural strength of the apparatus.
Some embodiments of the application provide a colliery is transportation equipment, including the middle part groove in any above-mentioned embodiment.
The coal mine conveying equipment can be a reversed loader or a scraper conveyor. It will be appreciated that the central trough may be the central trough of a transfer conveyor, or the central trough of a flight conveyor. Therefore, the coal mine conveying equipment provided by the embodiment has all the beneficial effects of any embodiment due to the middle groove in any embodiment, and the description is omitted here.
The middle groove and the coal mine conveying equipment comprising the middle groove are described by taking a reversed loader as an example through specific embodiments.
At present, a transfer conveyor is intermediate transfer equipment of a longwall fully-mechanized coal mining face coal recovery and transportation system, is usually arranged in a transportation gate way, is a scraper conveyor capable of longitudinally moving integrally, and moves integrally along with the propulsion of a coal mining face and the extension and retraction of a belt conveyor. The reversed loader mainly comprises a bridge erecting section and a landing section, and the coal conveyed by the working face scraper conveyor is lifted and conveyed to the bridge erecting section through the landing section and then conveyed to the belt conveyor. The middle groove of the reversed loader (also called as the middle groove of the reversed loader) is arranged at the landing section, plays roles of transportation, coal blocking and dust prevention, is the main groove shape of the reversed loader, and has large use amount. The middle groove of the conventional reversed loader adopts a structure that the middle plate 300, the bottom plate, the side plates, the wing plates 24, the cover plate connecting plate 30 and the connecting end 200 are welded, the number of blanking plates and welding seams is large, the processing cost is high, manual welding is still adopted at present, the quality is difficult to control, and the condition of open welding often occurs in the using process. Meanwhile, the welded structure of all the plates is not attractive in appearance, and the defects of the traditional structure are more exposed when the industrial design is more and more emphasized.
Therefore, an embodiment of the present application provides a middle trough of a reversed loader, which mainly comprises a trough body 100, wherein the trough body 100 is in a shape structure of a trough-shaped cavity, a middle plate 300, wing plates 24 and a connecting end 200. The groove-shaped cavity is integrally blanked by a whole plate, such as a steel plate, and is bent and formed to form the integral shape of the bottom plate (i.e. the bottom plate part 10), the side plate (i.e. the side plate part 20) and the cover plate connecting plate 30 of the groove body 100; the middle plate 300 is arranged above the bottom plate, and a lower chain channel through which a scraper chain can pass is formed between the middle plate 300 and the bottom plate; the connecting end heads 200 (two convex end heads and two concave end heads respectively) are respectively arranged at the notches 12 at the four corners of the groove-shaped cavity body and are used for connecting the middle grooves; the wing plates 24 are welded above the middle plate 300, are symmetrically arranged at the left and the right, form an upper chain channel of the scraper chain with the middle plate 300, and the scraper chain circularly runs in the upper chain channel and the lower chain channel under the traction of the reversed loader driving device to convey coal on the middle plate 300 of the reversed loader to the belt conveyor. The middle trough provided by the embodiment is particularly suitable for being used in the floor section of the reversed loader.
In the design, the integrally bent groove-shaped cavity is used as a basic carrier of the middle groove, and corresponding necessary connecting pieces are welded on the basis. The blanking plate shape and the number of welding lines are saved in design, and the risk of welding line cracking in use is reduced; meanwhile, the integrally bent groove-shaped cavity is completely produced by a bending press machine, and the process quality is easy to control; compared with the original structure, the bending part is provided with the round corner 40 for transition, so that the appearance is more attractive.
Specifically, as shown in fig. 4, the middle trough of the reversed loader comprises a trough body 100, a middle plate 300, a connecting end 200 (a concave end and a convex end), a wing plate 24 and a plurality of rib plates. The groove-shaped cavity is formed by integrally blanking and bending a steel plate to form the integral shape of the bottom plate, the side plate and the cover plate connecting plate 30 of the middle groove; the middle plate 300 is arranged above the bottom in the cavity of the groove-shaped cavity, and the middle plate and the cavity form a lower chain channel through which a scraper chain can pass; the 4 ends are respectively arranged at the notches 12 at the four corners of the groove-shaped cavity, the two concave ends are positioned at the same side, and the two convex ends are positioned at the same side and are used for connecting the middle grooves; the wing plates 24 are welded on the inner sides of the side plates of the groove-shaped cavity, are positioned above the middle plate 300 and are symmetrical left and right respectively, and form an upper chain channel of the scraper chain together with the middle plate 300; under the traction of the elevating conveyor driving device, the scraper chain circularly runs in the upper and lower chain ways to convey the coal on the elevating conveyor middle plate 300 to the belt conveyor. The first rib plate 51 is arranged between the convex end and the concave end, the lower surface is flush with the ground of the middle groove, the second rib plate 52 is lapped on the convex end and the concave end, the third rib plate 53 is arranged between the cover plate connecting plate 30 and the second rib plate 52 of the groove-shaped cavity, the fourth rib plate 54 is arranged between the first rib plate 51 and the second rib plate 52, the first rib plate 51, the second rib plate 52, the third rib plate 53 and the fourth rib plate 54 are symmetrically arranged on the left side and the right side of the groove body 100, and the middle groove body 100 is reinforced.
In addition, it is worth mentioning that this application not only is used for the middle part groove of elevating conveyor of conveying equipment in the pit, but also can extensively use widely in other flute profile and other equipment complete weld formula structures of elevating conveyor.
In summary, the middle groove provided in the present embodiment has at least the following beneficial effects:
1. the middle groove is based on the bent groove body 100, so that the blanking plate type and the number of welding lines are reduced in the production process, and the production cost is reduced; the integral bending type groove body 100 is produced by a bending press machine, the process quality is easy to control, the production quality is improved, and the labor intensity is reduced; 2. the number of welding seams and the length of the welding seams of the middle groove structure are relatively small, the risk of welding seam cracking in use is reduced, and the service life of a product is prolonged; 3. compared with the existing fully welded structure, the bending part of the middle groove is provided with the fillet 40 for transition, so that the appearance is more attractive.
In the present application, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", 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 and simplification of description, but do not indicate or imply that the device or unit indicated must have a specific direction, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily 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.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A middle groove of coal mine conveying equipment is characterized by comprising: a tank body, the tank body comprising:
a bottom plate portion;
the two side plate parts are oppositely arranged and are connected with the bottom plate part turn;
wherein, the groove body is a groove-shaped structure formed by bending the whole plate.
2. A tundish according to claim 1,
the side plate part is provided with a notch, and the notch is arranged at one end of the side plate part close to the bottom plate part;
the bottom plate part is provided with a convex edge corresponding to the gap, and the size of the convex edge is matched with that of the gap;
the middle part groove still includes: and the connecting end is arranged at the opening, is connected with the side plate part and is connected with the convex edge, and the connecting end is used for being connected with the connecting end of the other middle groove so as to connect the two middle grooves.
3. A tundish according to claim 2,
the number of the openings is two, and the two openings are respectively arranged at two ends of the side plate part along the extending direction of the middle groove;
the connecting end head comprises a convex end head and a concave end head which are matched, one of the convex end head and the concave end head is arranged at one of the openings, and the other one is arranged at the other opening.
4. A tundish according to claim 2,
the connecting end is provided with a sliding chute;
the middle part groove still includes: the middle plate is connected with the sliding groove and is arranged in parallel with the bottom plate part;
and the middle plate, the bottom plate part and the two side plate parts enclose a lower chain channel, and the lower chain channel is used for a scraper of the coal mine conveying equipment to pass through.
5. A central trough according to claim 4,
wing plates are arranged on the side plate parts and are arranged above the middle plate;
the wing plates, the two side plates and the middle plate which are respectively arranged on the two side plates enclose an upper chain channel, and the upper chain channel is used for a scraper of coal mine conveying equipment to pass through.
6. A central trough according to claim 3,
a first rib plate is arranged between the two convex end heads and the concave end head which are positioned on one side of the same side plate, the first rib plate is connected with the bottom plate part, and the end surface of the first rib plate is flush with the end surface of the bottom plate part;
and a second rib plate is erected on the convex end and the concave end which are positioned on one side of the same side plate, and the end surface of the second rib plate is parallel to the end surface of the bottom plate part.
7. A central trough according to claim 6,
the tank body comprises a cover plate connecting plate which is connected with the side plate part in a turning manner, a third rib plate is arranged between the cover plate connecting plate and the second rib plate, the third rib plate is connected with the side plate part, and two ends of the third rib plate are respectively connected with the cover plate connecting plate and the second rib plate; and/or
A fourth rib plate is arranged between the first rib plate and the second rib plate, the fourth rib plate is connected with the side plate part, and two ends of the fourth rib plate are respectively connected with the first rib plate and the second rib plate.
8. A central trough according to any one of claims 1 to 7,
the bottom plate part and the turning connection part of the side plate part are in transition through a round angle.
9. A coal mine conveying device is characterized by comprising: the middle trough of the coal mine conveying equipment as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020511488.5U CN212150402U (en) | 2020-04-09 | 2020-04-09 | Middle groove and coal mine conveying equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020511488.5U CN212150402U (en) | 2020-04-09 | 2020-04-09 | Middle groove and coal mine conveying equipment |
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| CN212150402U true CN212150402U (en) | 2020-12-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112777235A (en) * | 2020-12-26 | 2021-05-11 | 莱芜市万方煤矿机械有限公司 | Scraper conveyor convenient to equipment |
| CN114506627A (en) * | 2021-12-29 | 2022-05-17 | 山西煤矿机械制造股份有限公司 | Detachable middle trough |
-
2020
- 2020-04-09 CN CN202020511488.5U patent/CN212150402U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112777235A (en) * | 2020-12-26 | 2021-05-11 | 莱芜市万方煤矿机械有限公司 | Scraper conveyor convenient to equipment |
| CN114506627A (en) * | 2021-12-29 | 2022-05-17 | 山西煤矿机械制造股份有限公司 | Detachable middle trough |
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